KR20160019003A - Compact hot water storage tank with diffuser and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a diffuser technology for realizing temperature stratification of an ultra small or small heat storage tank used for storing high temperature water in a system such as a miniature cogeneration system. For this purpose, a high-temperature water pipe to which high-temperature water flows is connected to the upper portion, a low-temperature water pipe to which low-temperature water flows is connected to the lower portion, and a hollow column- An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate; A lower cover coupled to a lower portion of the wall plate to seal the lower portion of the wall plate; An upper plate member whose upper surface is a hole through which high-temperature water passes, a top plate member whose one surface is coupled to the inside of the top cover by a specified distance from the top cover; A lower plate member having a lower water passage hole at its center through which a low temperature water passes, and a lower plate member coupled to the inside of the lower cover at a predetermined distance from the lower cover; An upper piping guide having a hollow column shape for passing hot water therethrough, one end connected to a hot water pipe and the other end connected to an upper water pipe hole; And a lower pipe guide having one end connected to the low temperature water pipe and the other end connected to the lower water pipe hole so as to allow the low temperature water to pass therethrough. This makes it possible to achieve temperature stratification using a diffuser even in an ultra-small and small heat storage tank.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a small-sized, small-sized heat storage tank having a diffuser,

The present invention relates to a small-sized and small-sized accumulator tank having a diffuser and a method of manufacturing the same, and more particularly, to a method of manufacturing a small-sized or small-sized accumulator tank for temperature stratification Lt; / RTI >

A storage tank is a device for storing thermal energy, which is necessary for all systems where the demand and supply of heat are inconsistent. More particularly, the present invention is a heat storage device for appropriately reducing the mixing effect of high-temperature influent and low-temperature stored water using thermal buoyancy to maintain stratification of temperature, and is indispensable for a district heating / cooling supply facility, .

The temperature stratification of the storage tank is caused by buoyancy due to the density difference between low temperature water and high temperature water. The greater the difference in density between the working fluids, the better the stratification is achieved and the distinction between the hot water layer and the low temperature water layer becomes distinct. If the temperature gradient is completely formed on the upper part of the heat storage tank, the temperature of the inlet of the heat storage tank and the temperature of the upper part of the heat storage tank become equal in an ideal case where no other heat loss occurs.

The temperature stratification technique of the storage tank is a necessary technique for achieving the maximization of the effective energy in heat storage. The heat storage tank with temperature stratification has been reported to have an effective energy utilization rate of more than 10% higher than a fully mixed storage tank (Loehrke, RI, Hoolzer, JC, Cari, HN and Sharp, storage tanks, J. of Energy, Vol. 3, No. 3, pp. 129-130). It is known that the inertial force / viscous force (Reynolds Number) and the densimetric froude number are the most important factors in the temperature stratification when liquids with different temperatures or densities flow into the space above the storage tank. Maintaining a proper temperature difference (ie, density difference) and flow rate when first contacting fluids with different temperatures forms a gravity flow with minimal mixing and vortexing of the fluid flow, . Therefore, a stratification promoting device is required to minimize mixing and vortexing of the fluid flow, and a diffuser is used as a stratification promoting device for medium and large heat storage tanks.

Diffusers used in medium and large heat storage tanks can be divided into fixed type and floating type. Depending on the type, diffusers can be classified into H-beam type, radial type, radial plane type, vortex type, Type. The radial diffuser differs from the center to the circumference because water is spread along the surface of the water because it is mostly a cylindrical tank. However, depending on the size and shape of the heat storage tank, Should be used.

1 is a cross-sectional view showing a diffuser of a conventional heat storage tank. As shown in Fig. 1, the piping of the hot water pipe and the low-temperature water pipe is inserted into the stoppage of the heat storage tank so that the pipes are bent in the form of "a" and "b" . When the stratification of the thermal storage tank is well realized, a rapid temperature gradient region (thermocline region) is formed in the upper part of the thermal storage tank as shown in FIG.

(Park, ET, Seong, SW and Jung, WC, 1990, The extraction efficiency of hot water storage by thermal stratification enhancing, Proceeding of KSES 1990 Autumn Annual Conference, pp. 32-37), the degree of temperature stratification was defined as shown in Equation (1) below.

As shown in Fig. 1, Tt is the temperature of the high temperature part, Ts is the temperature of the low temperature part,? H is the height of the temperature gradient area,? Tref is the temperature of the low temperature water and the high temperature water inflow temperature (Tin), and ΔHref is the distance between the high temperature water diffuser and the low temperature water diffuser.

KR20-0378281B1 EP2446196B1

 Park, E.T., Seong, S.W. and Jung, W. C., 1990, The extraction efficiency of hot water storage by thermal stratification enhancing, Proceedings of the KSES 1990 Autumn Annual Conference, pp. 32-37.

However, these diffusers were mostly used in medium- and large-sized storage tanks and could not be used in small-sized and small-sized storage tanks of about 50 to 100L class. This is because there is not enough room for the diffuser to be inserted in the tiny and small accumulation tank. Therefore, there have been many attempts to realize a temperature stratification by other methods in such a small and small accumulation tank.

Accordingly, the present invention has been made to solve the above-described problems.

It is an object of the present invention to provide a small-sized and small-sized heat storage tank equipped with an internal diffuser so as to easily realize a temperature stratification even in a small-sized and small-sized heat storage tank.

Hereinafter, specific means for achieving the object of the present invention will be described.

An object of the present invention is to provide a wall panel in the form of a hollow column having upper and lower portions connected to a high temperature water pipe for introducing high temperature water and a low temperature water pipe for introducing low temperature water into an upper portion thereof, An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate; A lower cover coupled to a lower portion of the wall plate to seal the lower portion of the wall plate; An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance; The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover; An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And a lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water hole, And is distributed horizontally between the upper plate member and the upper cover through the upper water hole, and the low temperature water passes through the lower pipe guide, passes through the lower water hole, And the upper cover, the upper plate member, and the upper pipe guide are integrally combined and manufactured, and the lower cover, the lower plate member, and the lower pipe guide are integrally joined to each other And a diffuser is integrally provided in the heat accumulation tank.

An upper distribution plate formed of a plurality of partition walls whose surface directions are vertical, one edge being joined to one surface of the upper plate member and the other edge being coupled to the inside of the upper cover; Further comprising a lower distribution plate which is composed of a plurality of partition walls whose surface direction is vertical and whose one edge is coupled to one surface of the lower plate member and the other edge is coupled to the inside of the lower cover, A space between the upper cover and the upper plate member is partitioned by the lower distribution plate and a space between the lower cover and the lower plate member is partitioned by the lower distribution plate.

Or the upper distribution plate divides a space between the upper cover and the upper plate member into a cross shape and the lower distribution plate divides a space between the lower cover and the lower plate member into a cross shape .

Or at least one of the upper distribution plate and the lower distribution plate is bended to the left or right so that at least one of the high temperature water and the low temperature water is rotated in the horizontal direction.

Or the upper distribution plate and the lower distribution plate are bent to the left or right so that the high temperature water and the low temperature water are rotated in the horizontal direction and the low temperature water and the high temperature water are rotated in the same direction, And turbulence is reduced at the boundary between the water and the high-temperature water.

A plurality of protrusions provided on one surface of the upper plate member and the lower plate member and protruding in the normal direction of the one surface; Or a plurality of grooves provided on one surface of the upper plate member and the lower plate member and recessed in the normal direction of the one surface.

Or the upper distribution plate extends in a corrugated shape on one surface of the upper plate member and the lower distribution plate extends in a wave form on one surface of the lower plate member.

SUMMARY OF THE INVENTION An object of the present invention is to provide a wall plate in the form of a hollow column having upper and lower openings; An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate and connected to one side of the hot water pipe into which the hot water flows; A lower cover coupled to a lower portion of the wall plate so that the lower portion of the wall plate is hermetically sealed, and a low temperature water pipe into which low temperature water flows is connected to one side; An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance; The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover; An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And a lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water hole, And is distributed horizontally between the upper plate member and the upper cover through the upper water hole, and the low temperature water passes through the lower pipe guide, passes through the lower water hole, And the upper cover, the upper plate member, and the upper pipe guide are integrally combined and manufactured, and the lower cover, the lower plate member, and the lower pipe guide are integrally joined to each other And a diffuser is integrally provided in the heat accumulation tank.

An object of the present invention is to provide a wall panel in which a low-temperature water pipe to which low-temperature water flows is connected to a lower portion and a hollow column-shaped upper and lower portions are opened; An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate and connected to one side of the hot water pipe into which the hot water flows; A lower cover coupled to a lower portion of the wall plate to seal the lower portion of the wall plate; An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance; The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover; An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And a lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water hole, And is distributed horizontally between the upper plate member and the upper cover through the upper water hole, and the low temperature water passes through the lower pipe guide, passes through the lower water hole, And the upper cover, the upper plate member, and the upper pipe guide are integrally combined and manufactured, and the lower cover, the lower plate member, and the lower pipe guide are integrally joined to each other And a diffuser is integrally provided in the heat accumulation tank.

An object of the present invention is to provide a wall panel in which a high-temperature water pipe for introducing high-temperature water is connected to the upper portion and a hollow pillar-shaped upper and lower portions are opened; An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate; A lower cover coupled to a lower portion of the wall plate so that the lower portion of the wall plate is hermetically sealed, and a low temperature water pipe into which low temperature water flows is connected to one side; An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance; The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover; An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And a lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water hole, And is distributed horizontally between the upper plate member and the upper cover through the upper water hole, and the low temperature water passes through the lower pipe guide, passes through the lower water hole, And the upper cover, the upper plate member, and the upper pipe guide are integrally combined and manufactured, and the lower cover, the lower plate member, and the lower pipe guide are integrally joined to each other And a diffuser is integrally provided in the heat accumulation tank.

It is an object of the present invention to provide a wall plate which is a constitution of a heat storage tank according to an embodiment of the present invention and to provide an upper cover, an upper plate member and an upper pipe guide, which constitute a heat storage tank according to an embodiment of the present invention, A manufacturing step of fabricating an upper assembly integrally joined and fabricating a lower assembly integrally formed with a lower cover, a lower plate member, and a lower pipe guide, which is one component of a heat storage tank according to an embodiment of the present invention; An upper and lower cover engaging step of engaging the upper assembly and the lower assembly on the wall plate; And a pipe connecting step of connecting a high temperature water pipe to one side of the upper part of the wall plate and the upper pipe guide and connecting the low temperature water pipe to the lower one side of the wall plate and the lower pipe guide. .

As described above, the present invention has the following effects.

First, according to one embodiment of the present invention, it is possible to achieve temperature stratification using a diffuser even in a tiny and small heat storage tank.

Second, according to an embodiment of the present invention, it is possible to realize a diffuser suitable for a small-sized and small-sized heat storage tank, thereby effectively enabling temperature stratification.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and, together with the description, And shall not be interpreted.
1 is a sectional view showing a diffuser provided in a conventional heat storage tank,
2 is a sectional view showing a heat storage tank according to an embodiment of the present invention,
3 is a cross-sectional view illustrating the lower end of a heat storage tank according to an embodiment of the present invention,
FIG. 4 is a low temperature water flow chart showing a lower end of a heat storage tank according to an embodiment of the present invention,
FIG. 5 is a perspective view illustrating a lower end of a diffuser according to an embodiment of the present invention, FIG.
FIG. 6 is a conceptual view showing a lower cover attaching step according to an embodiment of the present invention;
FIG. 7 is a conceptual view illustrating a low-temperature water pipe coupling step according to an embodiment of the present invention;
FIG. 8 is a conceptual view illustrating a state of the lower end of the storage tank according to an embodiment of the present invention,
9 is a perspective view showing the lower end of the diffuser according to the first modification of the present invention,
10 is a perspective view showing the lower end of the diffuser according to the second modification of the present invention,
11 is a perspective view showing the lower end of the diffuser according to the third modification of the present invention,
12 is a perspective view showing a lower end of a diffuser according to a fourth modification of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following detailed description of the operation principle of the preferred embodiment of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may unnecessarily obscure the subject matter of the present invention.

The same reference numerals are used for portions having similar functions and functions throughout the drawings. Throughout the specification, when a part is connected to another part, it includes not only a case where it is directly connected but also a case where the other part is indirectly connected with another part in between. In addition, the inclusion of an element does not exclude other elements, but may include other elements, unless specifically stated otherwise.

Of storage tank  Configuration and connection relationships

2 is a cross-sectional view illustrating a heat accumulation tank according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of the heat accumulation tank according to an embodiment of the present invention. Sectional view. 2 and 3, the heat storage tank 1 according to the embodiment of the present invention is constructed such that the hot water tube 2 and the low temperature water tube 3 are inserted, and the wall plate 4, the upper cover 5, A cover 6, and a diffuser 10 as shown in Fig.

The wall plate 4 may be constituted by a hollow cylindrical member having an open top and a bottom, and the top cover 5 and the bottom cover 6 may be welded and sealed at the open top and bottom. On one side of the wall plate 4, there can be formed a pipe hole through which the high temperature water pipe 2 and the low temperature water pipe 3 pass.

The upper cover 5 may be welded to the open upper portion of the wall plate 4 so that the upper portion of the wall plate 4 is sealed. The upper cover 5 may be a flat plate, a dome or the like, and the diffuser 10 may be integrally coupled to the inside of the upper cover 5.

The lower cover 6 may be welded to the open lower portion of the wall plate 4 so as to seal the lower portion of the wall plate 4. The lower cover 6 may be a flat plate, a dome, or the like, and the diffuser 10 may be integrally coupled to the inner side of the lower cover 6.

It is possible to manufacture a pipe hole directly on one side of the upper cover 5 and the lower cover 6 without manufacturing the pipe hole in the wall plate 4 according to the production environment or the use environment.

The diffuser 10 may be fixedly coupled to at least one of the upper cover 5 and the lower cover 6. [ The diffuser 10 may be constituted by a plate member 13, a pipe guide 12, and a distribution plate as shown in Fig.

The plate member 13 of the diffuser 10 may be formed in a disk or polygonal plate having a diameter of about 1/5 to 4/5 of the diameter of the heat storage tank 1, Is connected to the water supply hole. The plate member 13 can be spaced apart from the upper and lower covers 5 and 6 of the heat storage tank 1 so as to form a specific space in which water can be distributed. Further, a distribution plate is formed on one surface of the plate member 13 so that low-temperature water or high-temperature water can be distributed in the horizontal direction on the end side of the heat storage tank 1. The plate member 13 is configured to guide the flow of the water flowing into the heat storage tank 1 in the horizontal direction of the heat storage tank 1, that is, in the horizontal direction.

The distribution plate of the diffuser 10 is constituted by a plurality of partition walls that define a space between the plate member 13 and the upper and lower covers 5 and 6 in the plane direction, And one side edge of the distribution plate is integrally connected to the plate member 13 and the other edge of the distribution plate is connected to the upper cover 5 and the upper cover 5 of the heat storage tank 1, And is integrally combined with the lower cover 6. The distributor plate is integrally coupled to the upper cover 5 and the lower cover 6 of the heat storage tank 1 so that the diffuser 10 is manufactured and sold with being integrally coupled to the upper cover 5 and the lower cover 6. [ . According to an embodiment of the present invention, the distribution plate may be formed in a cross shape in which the plane direction is vertical, but a distribution plate having a suitable structure may be configured according to the shape of the heat storage tank. Since the distribution plate is in the vertical direction, one side of the distribution plate is coupled to the plate member 13 and the other side is coupled to the upper and lower covers 5 and 6, the water can not flow through the distribution plate, Can be easily distributed.

Also, the distribution plate of the diffuser 10 may be configured to bend in the left or right direction so that the water to be dispensed is rotated in the horizontal direction of the heat storage tank 1. [ Turbulence can be remarkably reduced at the boundary between the hot water and the low temperature water when the water to be dispensed rotates in the horizontal direction and the distribution plate has the same rotational direction of the hot water and the low temperature water. The reduction of turbulence causes an improvement in the degree of stratification.

The piping guide 12 of the diffuser 10 has one end connected to the hot water pipe 2 or the low temperature water pipe 3 and the other end connected to the water supply hole provided at the center of the plate member 13, ) Or the water guide pipe (12) from the low-temperature water pipe (3) flows to one surface of the partition plate of the plate member (13). One end of the piping guide 12 is provided with an insertion hole 11 having the same diameter as that of the high temperature water pipe 2 and the low temperature water pipe 3 so that the high temperature water pipe 2 or the low temperature water pipe 3 can be inserted or inserted, Can be configured. And the other end of the pipe guide 12 is connected to the water hole provided at the center of the plate member 13. [

When the piping such as the high temperature water pipe 2 or the low temperature water pipe 3 is constituted by a straight pipe without bending, the insertion hole 11 of the pipe guide 12 of the diffuser 10 and the pipe The holes can be correspondingly configured so that the holes can be simultaneously inserted by the piping.

Since the upper cover 5 and the upper diffuser 10, the lower cover 6 and the lower diffuser 10 are integrally combined, they can be called an upper assembly and a lower assembly.

The hot water tube 2 may be inserted into or penetrated through one side of the upper part of the heat storage tank 1, and one side may be opened to form an opening. The water pipe connected to the pipe guide 12 on the side of the open end of the hot water pipe 2 and flowing in the inside of the hot water pipe 2 flows toward the pipe guide 12 side.

The low-temperature water pipe (3) is inserted or pierced into one side of the lower part of the heat storage tank (1), and one side thereof may be opened to form an opening part. Temperature water pipe 3 is connected to the pipe guide 12 so that water flowing inside the low-temperature water pipe 3 flows to the pipe guide 12 side.

Of storage tank Water flow

4 is a low temperature water flow chart showing a lower end of a heat storage tank according to an embodiment of the present invention and FIG. 5 is a perspective view showing a lower end of a diffuser according to an embodiment of the present invention .

As shown in FIGS. 4 and 5, the low temperature water flows into the low temperature water pipe 3 inserted into the lower end of the heat storage tank 1 according to the embodiment of the present invention, The low temperature water flows into the pipe guide 12 at the open portion. The low temperature water flowing into the pipe guide 12 is moved downward along the pipe guide 12 to the storage tank 1 and is discharged from the water hole 15 of the plate member 13 in the direction of the lower surface of the plate member 13 . The low temperature water discharged in the direction of the lower surface of the plate member 13 is distributed in the horizontal direction on the lower surface of the plate member 13 and the distribution of the low temperature water is distributed in the distribution plate 14 ). ≪ / RTI > The low temperature water distributed on the lower surface of the plate member 13 is moved in the radial direction of the plate member 13 and then moved upward along the inner wall of the heat storage tank 1 at the end of the plate member 13.

The high temperature water flow is also similar to the low temperature water flow and the high temperature water is introduced into the high temperature water pipe 2 inserted into the upper end of the heat storage tank 1, . The hot water flowing into the piping guide 12 is moved upwardly of the heat storage tank 1 along the pipe guide 12 and is discharged from the water supply hole 15 of the plate member 13 toward the upper surface direction of the plate member 13 . The high temperature water discharged in the direction of the top surface of the plate member 13 is distributed in the horizontal direction on the upper surface of the plate member 13 and the distribution of the high temperature water is distributed on the distribution plate 14 ). ≪ / RTI > The hot water distributed on the upper surface of the plate member 13 is moved in the radial direction of the plate member 13 and then moved downward along the inner wall of the heat storage tank 1 at the end of the plate member 13.

According to the thermal storage tank 1 according to the embodiment of the present invention, the jetting speed of the water is considerably lowered inside the heat storage tank 1 and the spraying direction is guided in the horizontal direction of the thermal storage tank 1, In the tank, the stratification degree is significantly increased, and the temperature stratification formation time is also prolonged.

Of storage tank  How to make

6 is a conceptual view showing a lower cover coupling step according to an embodiment of the present invention, FIG. 7 is a conceptual view showing a low temperature water pipe coupling step according to an embodiment of the present invention, and FIG. 8 is a conceptual diagram illustrating a state of the lower end of the storage tank according to an embodiment of the present invention. As shown in FIGS. 6, 7 and 8, the method for manufacturing the thermal storage tank 1 according to an embodiment of the present invention may include a top cover coupling step and a pipe coupling step.

In the upper and lower cover engaging step, the upper and lower covers 5 and 6 integrally formed together with the diffuser 10 are welded to the previously manufactured cylindrical wall plate 4. The diffuser 10 is manufactured integrally with the upper and lower covers unlike the conventional heat storage tank 1. [

In the pipe joining step, a pipe in which the open portion 30 is manufactured at one side is inserted into the pipe hole 40 of the wall plate 4, and the pipe is coupled to be inserted into the insertion hole of the diffuser 10. The pipe should be inserted so that the direction of the opening 30 coincides with the water flow direction of the pipe guide.

defuser  Form Variation example

With respect to a variant of the diffuser shape, the diffuser shape can be variously modified in an optimal form so long as the object of the present invention is not overcome so that the maximum stratification effect can be exhibited depending on the production environment, the use environment, and the like .

9 is a perspective view showing the lower end of the diffuser according to the first modification of the present invention. According to the first modification of the present invention, the distribution plate 14 may be formed in a whirl-like shape as shown in FIG. When the distribution plate 14 of the diffuser 10 is configured to bend in the left or right direction, the water to be dispensed is rotated in the horizontal direction of the heat storage tank 1. Particularly, when the distribution plate has the same rotating direction of the hot water and the low temperature water, the turbulence at the boundary between the hot water and the low temperature water can be remarkably reduced. The decrease in turbulence causes an improvement in the degree of temperature stratification of the storage tank.

10 is a perspective view showing the lower end of the diffuser according to the second modification of the present invention. According to the second modification of the present invention, as shown in FIG. 10, the distribution plate 14 may be configured to extend in a waveform on one surface of the plate member. In the case where the distribution plate 14 is formed in a shape extending in a wave form on a plane, the distance that the water to be dispensed is required to pass through one side of the plate member becomes longer, so that the effect of reducing the spraying speed of the water is generated. Reducing the injection speed of the water causes an improvement in the degree of temperature stratification of the storage tank.

11 is a perspective view showing the lower end of the diffuser according to the third modification of the present invention. According to a third modification of the present invention, a plurality of grooves 16 may be formed on one surface of the plate member, as shown in FIG. When the groove 16 is formed on one surface of the plate member, the distance that the water to be produced or distributed to the water to be dispensed is required to pass through one surface of the plate member is longer, so that the spraying speed of the water is reduced Effect is generated. Reducing the injection speed of the water causes an improvement in the degree of temperature stratification of the storage tank. These grooves 16 may be formed on at least one surface of the distribution plate 14 as well as one surface of the plate member.

12 is a perspective view showing the lower end of the diffuser according to the fourth modification of the present invention. According to a fourth modification of the present invention, as shown in FIG. 12, a plurality of projections 17 may be formed on one surface of the plate member. In the case where the protrusion 17 is formed on one surface of the plate member, since the distance that the water to be generated or distributed to the turbulent layer in the water to be dispensed is required to pass through one surface of the plate member is long, Is generated. Reducing the injection speed of the water causes an improvement in the degree of temperature stratification of the storage tank. These projections 17 may be formed on at least one surface of the distribution plate 14 as well as one surface of the plate member.

As described above, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

1: Heat storage tank
2: High temperature water pipe
3: Low temperature water pipe
4: wall board
5: Upper cover
6: Lower cover
10: diffuser
11: Insertion hole
12: Piping guide
13: plate member
14: Distribution board
15: Through hole
16: Home
17: projection
30:
40: Plumbing hole

Claims (11)

The upper part is connected to a high temperature water pipe into which high temperature water flows, the low temperature water pipe into which a low temperature water flows is connected to the lower part, and the upper and lower parts are opened;
An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate;
A lower cover coupled to a lower portion of the wall plate to seal the lower portion of the wall plate;
An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance;
The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover;
An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And
A lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water pipe hole;
Lt; / RTI >
The hot water passes through the upper pipe guide, passes through the upper water hole, is horizontally distributed between the upper plate member and the upper cover,
The low-temperature water passes through the lower pipe guide, passes through the lower water hole, is horizontally distributed between the lower plate member and the lower cover,
Wherein the upper cover, the upper plate member, and the upper pipe guide are integrally coupled to each other, and the lower cover, the lower plate member, and the lower pipe guide are integrally formed and integrally formed. Tank.
The method according to claim 1,
An upper distribution plate formed of a plurality of partition walls whose surface direction is vertical, one corner of which is coupled to one surface of the upper plate member and the other edge is coupled to the inside of the upper cover;
A lower distribution plate having a plurality of partition walls whose surface directions are vertical, one corner of which is coupled to one surface of the lower plate member and the other edge is coupled to the inside of the lower cover;
Further comprising:
A space between the upper cover and the upper plate member is partitioned by the upper distribution plate,
And a space between the lower cover and the lower plate member is partitioned by the lower distribution plate.
3. The method of claim 2,
Wherein the upper distribution plate divides a space between the upper cover and the upper plate member into a cross shape,
Wherein the lower distribution plate is configured to partition a space between the lower cover and the lower plate member into a cross shape.
3. The method of claim 2,
Wherein at least one of the upper distribution plate and the lower distribution plate is bent to the left or right so that at least one of the high temperature water and the low temperature water is rotated in a horizontal direction. Storage tank.
3. The method of claim 2,
The upper distribution plate and the lower distribution plate are bent to the left or right so that the hot water and the cold water are rotated in the horizontal direction,
Wherein the low temperature water and the high temperature water are rotated in the same direction so that turbulence is reduced at the boundary between the low temperature water and the high temperature water.
3. The method of claim 2,
A plurality of protrusions provided on one surface of the upper plate member and the lower plate member and protruding in the normal direction of the one surface;
or,
A plurality of grooves provided on one surface of the upper plate member and the lower plate member and recessed in the normal direction of the one surface;
Further comprising a diffuser, wherein the diffuser is integrally provided.
3. The method of claim 2,
Wherein the upper distribution plate extends in a waveform on one surface of the upper plate member,
Wherein the lower distribution plate extends in a waveform on one surface of the lower plate member.
A wall in the form of a hollow column with open upper and lower portions;
An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate and connected to one side of the hot water pipe into which the hot water flows;
A lower cover coupled to a lower portion of the wall plate so that the lower portion of the wall plate is hermetically sealed, and a low temperature water pipe into which low temperature water flows is connected to one side;
An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance;
The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover;
An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And
A lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water pipe hole;
Lt; / RTI >
The hot water passes through the upper pipe guide, passes through the upper water hole, is horizontally distributed between the upper plate member and the upper cover,
The low-temperature water passes through the lower pipe guide, passes through the lower water hole, is horizontally distributed between the lower plate member and the lower cover,
Wherein the upper cover, the upper plate member, and the upper pipe guide are integrally coupled to each other, and the lower cover, the lower plate member, and the lower pipe guide are integrally formed and integrally formed. Tank.
A lower wall having a hollow column-shaped upper and lower openings to which a low-temperature water pipe for introducing low-temperature water is connected;
An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate and connected to one side of the hot water pipe into which the hot water flows;
A lower cover coupled to a lower portion of the wall plate to seal the lower portion of the wall plate;
An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance;
The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover;
An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And
A lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water pipe hole;
Lt; / RTI >
The hot water passes through the upper pipe guide, passes through the upper water hole, is horizontally distributed between the upper plate member and the upper cover,
The low-temperature water passes through the lower pipe guide, passes through the lower water hole, is horizontally distributed between the lower plate member and the lower cover,
Wherein the upper cover, the upper plate member, and the upper pipe guide are integrally coupled to each other, and the lower cover, the lower plate member, and the lower pipe guide are integrally formed and integrally formed. Tank.
A wall having a hollow column-shaped upper portion connected to a high-temperature water pipe into which high-temperature water flows;
An upper cover coupled to an upper portion of the wall plate to seal the upper portion of the wall plate;
A lower cover coupled to a lower portion of the wall plate so that the lower portion of the wall plate is hermetically sealed, and a low temperature water pipe into which low temperature water flows is connected to one side;
An upper plate member which is formed at an upper portion of the upper cover and which is coupled to the inside of the upper cover so as to be spaced from the upper cover by a specific distance;
The lower plate member being coupled to the lower cover at a predetermined distance from the lower cover;
An upper pipe guide having a hollow pillar shape for allowing the hot water to pass therethrough, one end connected to the hot water pipe and the other end connected to the upper water pipe hole; And
A lower pipe guide formed in a hollow column shape to allow the low temperature water to pass therethrough and having one end connected to the low temperature water pipe and the other end connected to the lower water pipe hole;
Lt; / RTI >
The hot water passes through the upper pipe guide, passes through the upper water hole, is horizontally distributed between the upper plate member and the upper cover,
The low-temperature water passes through the lower pipe guide, passes through the lower water hole, is horizontally distributed between the lower plate member and the lower cover,
Wherein the upper cover, the upper plate member, and the upper pipe guide are integrally coupled to each other, and the lower cover, the lower plate member, and the lower pipe guide are integrally formed and integrally formed. Tank.
A wall plate as a constitution of the heat storage tank according to claim 1 is manufactured to manufacture an upper assembly in which an upper cover, an upper plate member and an upper pipe guide, which are a constitution of the heat storage tank according to claim 1, are integrated together, A lower plate member, and a lower pipe guide as one component of the heat storage tank according to the present invention;
An upper and lower cover engaging step of engaging the upper assembly and the lower assembly on the wall plate; And
A piping coupling step of connecting a high temperature water pipe to one side of the upper part of the wall plate and the upper pipe guide, and connecting a low temperature water pipe to a lower one side of the wall plate and the lower pipe guide;
Wherein the heat storage tank is made of a metal.

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