JPS593318Y2 - boiler equipment - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a boiler device in which a horizontal combustion chamber is disposed within a hot water tank, and a secondary hot water pipe is introduced into the hot water tank as required.

Boiler Handbook (Boiler Handbook)
As shown on page 322 of the Japan Boiler Association,
As shown in Fig. 5, a heat exchange pipe 102 is arranged inside a cylindrical hot water tank 101, and combustion gas is passed through the pipe 102, or as shown on page 323 of the Boiler Handbook. As shown in FIG. 6, a combustion chamber 103 is provided at the lower end of the hot water tank 101, and the hot water tank 101
There are some types that have a flue 104 arranged in the center of the interior for passing combustion gas.

However, in all of these conventional devices, there is a limit to widening the contact area between the heating surface heated by combustion gas and the water in the hot water tank 101, and a part of the outer surface of the combustion chamber comes into contact with the water in the hot water tank 101. Therefore, sufficient heat exchange was not performed, and as a result, satisfactory thermal efficiency could not be obtained.

Furthermore, there were no so-called multi-purpose devices that could be used for both drinking and indoor heating purposes.

The present invention was developed based on the above circumstances, and its purpose was to bring the entire outer periphery of the combustion chamber into contact with water in the hot water tank and compare it with the conventional one shown in Figures 5 and 6. High thermal efficiency is achieved with a simple heating configuration, and it is easy to increase the contact area between the heating surface heated by combustion gas and the water in the hot water tank, making it possible to heat the room while simultaneously obtaining hot water for drinking as needed. The purpose of the present invention is to provide a versatile boiler device that can perform the following tasks.

That is, in the boiler device according to the present invention, a horizontal combustion chamber is disposed in a lower position spaced apart from the bottom of a vertically long cylindrical hot water tank and spans between opposing side walls of the hot water tank. It consists of a plurality of divided chambers connected by a plurality of heat conductive pipes, and an opening is provided in the side wall of the hot water tank above the combustion chamber, and this opening is closed with a removable cover plate. A secondary hot water pipe is introduced into the hot water tank by penetrating this cover plate.

An embodiment of the present invention shown in FIGS. 1 to 4 will be described below.

FIG. 1 is an external view of the boiler device, and FIG. 2 is a vertical cross-sectional view showing the schematic configuration of the boiler device, in which 1 is a vertically long cylindrical hot water tank, and 2 is a horizontal combustion chamber.

The hot water tank 1 is formed by closing both ends of a cylindrical body, and is installed with the axis of the cylindrical body facing in the vertical direction.

The combustion chamber 2 is horizontally separated into two, and both chambers 3
, 4 are connected by a plurality of tubes 5 having good thermal conductivity, and is disposed in a lower position of the hot water tank 1, spaced apart from the inner bottom surface of the tank, between opposing side walls of the hot water tank 1,
The entire outer surface is configured to come into contact with the water in the hot water tank 1.

Both chambers 3 and 4 have a substantially cylindrical shape, and their respective axes are aligned and directed horizontally.

One of the chambers 3 is long, and its peripheral wall is bulged so that its vertical cross-section becomes wavy.

A burner 6 and a small-output combustion turbo fan 7 are provided in a portion of the chamber 3 that is connected to the side wall of the tank 1.

The other chamber 4 is short and communicates with the lower end of the flue 8.

The flue 8 is a short one vertically formed along the outer wall of the hot water tank 1, and the side wall of the hot water tank 1 also serves as one side of the flue 8, as shown in FIG.

Inside the flue 8, a heat shield plate 9 is provided at a portion facing the chamber 4.
is provided, and a plurality of baffle plates 10 are attached to the intermediate portion to reduce the gas flow velocity within the flue 8.

An opening 11 is provided in the side wall of the hot water tank 1 above the combustion chamber 2, and a cylindrical body 12 communicates with the opening 11.
The cylindrical body 12 is made to protrude outward, and a flange 13 is provided on the outer periphery of the tip.

A cover plate 14 is attached to the flange 13 from the outside by means such as bolt tightening, and the opening 11 is appropriately closed.

A coiled secondary hot water pipe 1 is installed inside the cover plate 14.
5 is attached by welding both ends of the tube,
When the lid body 14 is attached to the flange 13, the secondary hot water pipe 15
is located above the combustion chamber 2.

Further, external connection ports 16 and 17 communicating with both ends of the tube 15 are attached to the outer surface of the cover plate 14.

Although not shown, a simple blind plate to which the secondary hot water pipe 15 is not attached is also provided, so that either the lid 14 or the blind plate can be attached to the flange 13.

The bottom plate of the hot water tank 1 is provided with a water supply port 18 and a drain pipe connection port 19, and the top plate of the tank 1 is provided with a hot water outlet 20.

A rectifying plate 21 is placed over the inner open end of the water supply port 18.

Further, a temperature regulator 22 is provided on the side wall of the tank 1.

The hot water tank 1 and the flue 8 are integrally covered with a heat insulating layer 23, and the outside thereof is wrapped with an exterior body 24.

The exterior of this exterior body 24 includes the flange 13,
The hot water outlet 20, the upper end of the flue 8, the water supply pipe connection port 25, the drain port 26, the operation part cover 27, etc. are made to protrude.

The water supply pipe connection port 25 connects to the water supply port 18 via the water supply pipe 28.
The drain port 26 is connected to the drain pipe connection port 19 via a drain pipe 29.

In addition to the turbo fan 7, inside the operation part cover 27,
Burner control relay 30, wind pressure switch 31.
It is equipped with an electromagnetic pump 32 for fuel intake (Fig. 2),
A temperature control dial 33, an operation selector switch 34, various inspection lamps 35, etc. are provided on the outside of the cover 27 (FIG. 1).

Further, the cover 27 has an air intake port 36 open therein.

A fan motor 37 for forced exhaust is provided at the upper end of the flue 8.

The casing 38 of this fan motor 37 has an air intake port 38
The intake port 38a surrounds the upper end of the flue 8, and a gap is formed between the intake port 38a and the upper end of the flue 8 to form an air intake port 39. There is.

Further, an exhaust pipe (not shown) is connected to the exhaust port 38b of the casing 38, if necessary.

When using the boiler device constructed as described above, piping as shown in FIG. 4 is provided.

That is, a hot water supply pipe 40 is connected to the hot water outlet 20, and a necessary number of hot water supply faucets 42 are connected to this pipe 40 via branch pipes 41.
Connect.

On the other hand, a water faucet or other suitable water faucet is connected to the water supply pipe connection port 25 through a water supply pipe 43, and a pressure reducing valve 44 and a check valve 45 are inserted into the pipe 43.

Further, another water supply pipe 46 parallel to the hot water supply pipe 40 is branched from a position between both valves 44 and 45 in the water supply pipe 43,
A water supply faucet 48 adjacent to the hot water supply faucet 42 is connected to the pipe 46 via a branch pipe 47.

In FIG. 4, 49 is a safety valve connected to the top of the hot water supply pipe 40, 50 is a relief pipe connected to the discharge port of the safety valve 49, and 51 is a safety valve connected to the relief pipe 50 via a hopper 52. A drain pipe 53 is a drain cock connected to the drain port 26.

Further, a water supply faucet and a hot water supply faucet (not shown) are also connected to the external connection ports 16 and 17 of the secondary hot water pipe 15, respectively.

Therefore, the hot water tank 1 is filled with cold water through the water supply pipe 43, and the cold water is also passed through the secondary hot water pipe 15, and the electromagnetic pump 32 is operated to supply liquid fuel to the burner 6.

Then, when the fuel ejected from the burner 6 is ignited and the combustion fan 7 and the forced exhaust fan motor 37 are operated, the combustion gas in the combustion chamber 3 on the right side of the figure passes through the pipe body 5 to the other chamber 4. The air moves further up the flue 8 and is forcibly exhausted by the fan motor 37.

In this way, heat exchange takes place between the combustion chamber 2 and the flue 8 and the ice in the hot water tank 1, and the water in the hot water tank 1 is heated. The hot water in tank 1 can be used.

Further, when the water in the hot water tank 1 is heated, heat exchange occurs between the hot water and the cold water in the secondary hot water pipe 15, which is connected to the external connection port 17 of the hot water pipe 15. You can simply get hot water from the faucet.

Therefore, in this boiler device, the hot water in the hot water tank 1 and the hot water obtained through the secondary hot water pipe 15 can be distinguished and used for different purposes.

For example, the hot water in the hot water tank 1 can be used for room heating, and the hot water from the secondary hot water pipe 15 can be used for drinking or cooking.

In addition, by arranging the combustion chamber 2 inside the hot water tank 1, the entire outer surface of the combustion chamber 2 comes into contact with the water inside the hot water tank 1, and by using a horizontal combustion chamber that is separated horizontally, the combustion chamber The flow rate of the combustion gas in the combustion chamber is low, and the high-temperature combustion gas remains in the combustion chamber for a long time.As a result, efficient heat exchange is performed and high thermal efficiency can be obtained.

As described above, according to the boiler device of the present invention, the horizontal combustion chamber 2 formed by connecting two horizontally separated combustion chambers with a thermal conduit is arranged inside the hot water tank 1, and the side plate of the hot water tank 1 is By appropriately introducing the secondary hot water pipe 15 through the opening 11, the intended purpose can be achieved even further.

The combustion chamber 2 may be detachably attached to the hot water tank 1, or may be replaced with another type.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view showing an embodiment of the present invention, Fig. 2 is a vertical sectional view of the same embodiment, and Fig. 3 is a section III-II of Fig. 2.
I sectional view, Figure 4 is a piping connection diagram in the same embodiment, Figure 5
FIG. 6 and FIG. 6 are schematic configuration diagrams showing different conventional examples. 1...Hot water tank, 2...Horizontal combustion chamber, 11...Opening, 14...Lid plate, 1
5...Secondary hot water pipe, 18...Water inlet,
20...Hot water outlet.

Claims (1)

[Scope of utility model registration request] A vertically long cylindrical hot water tank having a water supply port at the bottom and a hot water outlet at the top, and a horizontally separated room connected by a plurality of thermal conduits, which are separated from the bottom of the hot water tank. a horizontal combustion chamber disposed at a lower position between opposing side walls of the hot water tank; an opening provided in the side wall of the hot water tank above the combustion chamber; and a removable lid plate that closes the opening. A boiler device characterized by comprising a secondary hot water pipe that penetrates the cover plate and is introduced into the hot water tank.