CN116697729A - Heat pump dehumidification drying equipment - Google Patents

Abstract

The invention relates to the technical field of drying equipment, and discloses heat pump dehumidification drying equipment which comprises a heating box and a master controller, wherein a heat pump is fixedly installed at the bottom of an inner cavity of the heating box, the right end of the heat pump is fixedly communicated with an air duct I, a partition board is fixedly installed inside the heating box and above the heat pump, and an electromagnetic valve I is fixedly installed in the middle of the partition board. Through the setting of piston cylinder and heating resistor silk for carry out secondary heating to the steam that gets into heating resistor silk, improve the temperature of the required gas of stoving, improve drying efficiency, and, the steam after the heating is certain frequency and outwards carries, and then when the drying chamber, make the steam can be better take away the moisture, accelerate moisture and get rid of efficiency, and through the heating, improve the increase of the inside atmospheric pressure of piston cylinder, and then drive the piston post and remove, and energy storage is carried out to the butt spring, cooperate with the process of follow-up gassing, realize the piston motion of piston post.

Description

A heat pump dehumidification and drying equipment

technical field

The invention relates to the technical field of drying equipment, in particular to a heat pump dehumidification and drying equipment.

Background technique

Whether the existing drying equipment is large-scale industrial equipment or small general-purpose equipment, its working principle is to use thermal energy to heat and dry materials to achieve the purpose of drying. The existing heating methods are usually combustion heating and electric heating. Heating, the exhaust gas discharged by the drying equipment during the drying process contains a lot of heat, which will cause a great waste of energy if it is directly discharged, but due to the large amount of water contained in the exhaust gas, it is difficult to use this part of the heat. Most of the existing heat recovery devices preheat the intake air of the drying equipment through the heat exchanger to increase the initial temperature of the intake air and realize part of the heat recovery. Dehumidification and heating, and then complete the drying of materials, but the heat pump drying equipment currently used has the following shortcomings, as follows:

The heat pump currently used has a single heating method during the operation process. Although it can generate hot air and achieve the purpose of drying, the overall energy consumption of the drying equipment is relatively large, and the temperature of the equipment is raised slowly, which eventually leads to drying failure. The efficiency is generally even low, and during the operation of the equipment, the utilization rate of waste heat energy is low, which is also one of the reasons for the large energy consumption, and the hot gas circulation inside the drying box needs to be assisted by an induced draft fan, resulting in Energy consumption increases.

Contents of the invention

The present invention provides a heat pump dehumidification and drying equipment, which has the advantages of fast drying rate and good energy-saving effect, and solves the above-mentioned problems in the background technology.

The present invention provides the following technical solutions: a heat pump dehumidification and drying equipment, including a heating box and a general controller, a heat pump is fixedly installed at the bottom of the inner cavity of the heating box, and an air duct I is fixedly connected to the right end of the heat pump. Inside the heating box, a partition plate is fixedly installed above the heat pump. A solenoid valve I is fixedly installed in the middle of the partition plate. A piston cylinder is fixedly installed on the partition plate above the solenoid valve I. The piston The movable sleeve of the cylinder is connected with a piston rod, and a heating resistance wire is fixedly installed inside the piston cylinder and below the piston rod. The upper surface of the piston cylinder is fixedly connected with a compression spring, and the top end of the compression spring is connected to the piston. The surface of the inner cavity of the cylinder is fixedly connected, the solenoid valve II is fixedly installed at the height of the right part of the piston cylinder, and the air guide box is fixedly installed on the partition plate and on the right side of the heating box. The inner cavity of the air box is movably sleeved with a rotating shaft, the top of the rotating shaft is fixedly installed with a turbine, and the air guiding fan blade is uniformly and fixedly installed on the rotating shaft and below the turbine, and the front side of the air guiding fan blade is provided with a guide The air port, the solenoid valve II communicates with the top of the air guide box through a conduit.

Preferably, a heat exchanger is fixedly installed on the top of the heating box, the heat exchanger is composed of an evaporator and a condenser, the top of the piston cylinder communicates with the heat exchanger through a conduit, and the inner cavity of the heating box A suction box is fixedly installed on the back, the inner chamber of the suction box communicates with the heat exchanger through a conduit, a solenoid valve III is fixedly installed on the left side of the top of the piston cylinder, and an air guide tube is fixedly connected to the solenoid valve III II.

Preferably, a drying box is fixedly installed on the outside of the heating box, and four storage boxes are uniformly and movablely clamped on the drying box, and the inner side of the storage boxes is uniformly and fixedly installed with a storage net plate, and two adjacent A sealing strip is connected between the outer sides of the storage box by bolts.

Preferably, the drying box is in the shape of a ring, and the two ends are respectively fixedly connected to the front and the back of the heating box, and the inner chamber of the drying box is connected with the air guide port and the suction box respectively, and the drying box There is a movable slot inside and in the middle of the two storage boxes, and a partition board is movably clamped in the movable slot.

Preferably, there are two heat pumps, which are symmetrically and fixedly installed at the bottom of the inner cavity of the heating box, and the same ends of the two heat pumps are communicated through conduits.

The present invention has the following beneficial effects:

1. Through the setting of the piston cylinder and the heating resistance wire, the hot gas entering the heating resistance wire is reheated, the temperature of the gas required for drying is increased, and the drying efficiency is improved, and the heated hot gas is outward at a certain frequency. Transportation, and then in the drying chamber, the hot gas can better take away the moisture, speed up the moisture removal efficiency, and increase the air pressure inside the piston cylinder through heating, and then drive the piston rod to move, and resist the pressure The spring stores energy and cooperates with the subsequent deflation process to realize the piston movement of the piston rod, and then carry the exhaust gas, realize the hot gas circulation inside the drying box, and reduce the consumption of external energy.

2. Through the setting of the drying box and the partition board, the drying box surrounds the heating box, so that the hot air is input into the drying box at a frequency from the air guide port, and after heating and drying the items in the drying box, It enters the heat exchanger from the suction box, realizes circulation, reuses the waste heat of the gas, reduces heat loss, and improves the utilization rate of energy. Moreover, if the items close to the air guide end are dried first, they will be treated by the partition plate The storage box at the top is cut off, and then the replacement of the items on the storage grid is completed, and at the same time, the heat loss inside the rest of the drying boxes is avoided.

Description of drawings

Fig. 1 is the structural heating box schematic diagram of the present invention;

Fig. 2 is a partial cross-sectional schematic diagram of a structure heating box of the present invention;

Fig. 3 is the half-section diagram of front view of structure heating box of the present invention;

Fig. 4 is the overall schematic diagram of the structure of the present invention;

Fig. 5 is a schematic side view of the structure of the present invention;

Fig. 6 is the overall partial sectional view of structure of the present invention;

Fig. 7 is a half-sectional schematic bottom view of the structure of the present invention.

In the figure: 1. Heating box; 2. Heat pump; 3. Air duct Ⅰ; 4. Solenoid valve Ⅰ; 5. Piston cylinder; 6. Piston column; 7. Heating resistance wire; 10. Solenoid valve Ⅱ; 11. Air guide box; 12. Rotating shaft; 13. Turbine; 14. Air guide fan blade; 15. Air guide port; 16. Solenoid valve Ⅲ; 17. Air guide pipe Ⅱ; 18. Inhalation 19. Master controller; 20. Drying box; 21. Storage box; 22. Storage net; 23. Sealing strip; 24. Partition board.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3, a heat pump dehumidification and drying equipment, including a heating box 1 and a general controller 19, a heat pump 2 is fixedly installed at the bottom of the inner cavity of the heating box 1, and the right end of the heat pump 2 is fixedly connected with an air duct Ⅰ3, Inside the heating box 1, a partition plate is fixedly installed above the heat pump 2, a solenoid valve I4 is fixedly installed in the middle of the partition plate, and a piston barrel 5 is fixedly installed on the partition plate above the solenoid valve I4. A piston rod 6 is movable socketed, and a heating resistance wire 7 is fixedly installed inside the piston cylinder 5 and below the piston cylinder 6. The upper surface of the piston cylinder 5 is fixedly connected with a compression spring 8, and the top of the compression spring 8 is connected to the piston cylinder. The surface of the inner cavity of 5 is fixedly connected, and the right part of the piston cylinder 5 is fixedly installed with a solenoid valve II10 at the height of four-fifths. A rotating shaft 12 is movably sleeved in the inner cavity of the rotating shaft 12, and a turbine 13 is fixedly installed on the top of the rotating shaft 12. On the rotating shaft 12 and below the turbine 13, an air-guiding fan blade 14 is evenly and fixedly installed, and the front of the air-guiding fan blade 14 is provided with an air-guiding port. 15. The solenoid valve II10 communicates with the top of the air guide box 11 through a conduit. The heat pump can heat the air to a certain extent through the air, and then fill the hot air into the piston barrel 5 through the air guide pipe I3 and the solenoid valve I4. Stop after a certain amount, and then heat the air inside the piston cylinder 5 through the heating resistance wire 7, so that its temperature rises again. As the temperature increases, the pressure inside the piston cylinder 5 increases, and then the piston rod 6 Carry out pressing, and then compress the pressing spring 8, so that the piston rod 6 rises, and then the piston rod 6 rises above the solenoid valve II10, and then the solenoid valve II10 opens, and the hot air inside the piston barrel 5 is transmitted to the air guide box through the conduit 11, after the hot air enters the air guide box 11, it blows the turbine 13 to rotate, and then the turbine 13 drives the air guide fan blade 14 to rotate through the rotating shaft 12, and the hot air in the air guide box 11 passes through the air guide port 15 is transported outward, and then transported to the drying box for use. During this process, the air is heated multiple times by the heat pump 2 and the heating resistance wire 7, thereby increasing the temperature of the gas required for drying and improving the drying efficiency , and the heated hot air is transported outward at a certain frequency, and then in the drying chamber, the hot air can better take away the moisture and accelerate the moisture removal efficiency; the top of the heating box 1 is fixedly installed with a heat exchanger 9 , the heat exchanger 9 is composed of an evaporator and a condenser, the top of the piston cylinder 5 communicates with the heat exchanger 9 through a conduit, the back of the inner cavity of the heating box 1 is fixedly installed with a suction box 18, and the inner cavity of the suction box 18 passes through The conduit communicates with the heat exchanger 9, and a solenoid valve Ⅲ16 is fixedly installed on the left side of the top of the piston cylinder 5, and the solenoid valve Ⅲ16 is fixedly connected with an air guide pipe Ⅱ17. When the hot gas is released from the piston cylinder 5, the pressing spring 8 presses against the piston. The column 6 descends, thereby making the upper cavity of the piston barrel 5 generate negative pressure, and then sucking the air in the heat exchanger 9, and the air in the heat exchanger 9 is sucked in through the suction box 18, The incoming gas is transported to the piston cylinder 5 after the moisture is removed by the heat exchanger 9. After the piston rod 6 rises up again, the solenoid valve III16 is opened, and the dried gas is input into the heat pump 2 through the air guide pipe II17 to carry out Heating, thereby reducing the moisture interference in the outside air, improving the drying efficiency, and realizing the gas transportation through the piston cylinder 5 and the piston rod 6, reducing the consumption of external energy;

Please refer to Fig. 4-Fig. 7, a drying box 20 is fixedly installed on the outside of the heating box 1, and four storage boxes 21 are evenly and movablely clamped on the drying box 20, and the inner side of the storage box 21 is evenly fixed and installed with a storage net plate 22 A sealing strip 23 is connected by bolts between the outer sides of two adjacent storage boxes 21. The storage box 21 divides the inner area of the drying box 20 into four parts, and the items to be dried are placed on the storage grid plate 22 , then send it to the inside of the drying box 20, surround the sides of the drying box 20 through the storage box 21, and form a closed space through the sealing strip 23 and the storage box 21, and then the air guide box 11 sends the hot air to into the drying box 20 to dry the items on the storage grid 22, through the four storage boxes 21, the items that need to be dried can be quickly replaced, and the dried items can be replaced to speed up the drying efficiency The drying box 20 is annular, and the two ends are fixedly connected with the front and the back of the heating box 1 respectively, and the inner cavity of the drying box 20 is communicated with the air guide port 15 and the suction box 18 respectively, and the inside of the drying box 20 And be positioned at the middle of two glove boxes 21 and be provided with movable groove, movable clip is connected with partition plate 24 in the movable groove, and hot gas is input in drying box 20 with a kind of frequency from air guide port 15, and the article in drying box 20 Carry out heating and drying, then the hot gas gradually flows through the inner cavity of the drying box 20, enters the heat exchanger 9 from the suction box 18, and realizes circulation, and also utilizes the waste heat of the gas inside the drying box 20 to reduce heat loss, Improve the utilization rate of energy. In this process, if the items close to the air guide port 15 are first dried, the storage box 21 here is cut off by the partition plate 24, and then the replacement of the items on the storage grid 22 is completed. At the same time, Avoid heat loss inside the rest of the drying box 20; there are two heat pumps 2, and they are symmetrically fixedly installed at the bottom of the inner cavity of the heating box 1, and the same ends of the two heat pumps 2 are connected through conduits, and the two heat pumps are used in series, thereby strengthening Hot air heating efficiency improves drying efficiency.

Claims (5)

1. A heat pump dehumidification and drying equipment, comprising a heating box (1) and a general controller (19), characterized in that: a heat pump (2) is fixedly installed at the bottom of the inner cavity of the heating box (1), and the heat pump The right end of (2) is fixedly connected with an air duct I (3), and a partition board is fixedly installed inside the heating box (1) and above the heat pump (2), and a solenoid valve is fixedly installed in the middle of the partition board I(4), the partition plate and above the solenoid valve I(4) are fixed with a piston cylinder (5), the piston cylinder (5) is movable sleeved with a piston rod (6), and the piston A heating resistance wire (7) is fixedly installed inside the barrel (5) and below the piston rod (6), and a pressing spring (8) is fixedly connected to the upper surface of the piston barrel (5), and the pressing spring ( 8) The top end is fixedly connected with the surface of the inner cavity of the piston cylinder (5), and the electromagnetic valve II (10) is fixedly installed at the height of four-fifths of the right part of the piston cylinder (5). The right side of the heating box (1) is fixedly equipped with an air guide box (11), the inner cavity of the air guide box (11) is movably sleeved with a rotating shaft (12), and the top of the rotating shaft (12) is fixedly installed with a turbine (13), on the rotating shaft (12) and below the turbine (13), an air-guiding fan blade (14) is uniformly and fixedly installed, and the front side of the air-guiding fan blade (14) is provided with an air-guiding port (15), The solenoid valve II (10) communicates with the top of the air guide box (11) through a conduit. 2. A kind of heat pump dehumidification and drying equipment according to claim 1, characterized in that: a heat exchanger (9) is fixedly installed on the top of the heating box (1), and the heat exchanger (9) is formed by evaporation Composed of a condenser and a condenser, the top of the piston cylinder (5) communicates with the heat exchanger (9) through a conduit, and a suction box (18) is fixedly installed on the back of the inner cavity of the heating box (1). The inner cavity of the air box (18) communicates with the heat exchanger (9) through a conduit, and the solenoid valve III (16) is fixedly installed on the left side of the top of the piston cylinder (5), and the solenoid valve III (16) is fixed on It is connected with the airway II (17). 3. A heat pump dehumidification and drying equipment according to claim 1, characterized in that: a drying box (20) is fixedly installed on the outside of the heating box (1), and the drying box (20) is evenly There are four storage boxes (21) in movable clamping, and the inner side of the storage boxes (21) is evenly fixed with a storage net plate (22), and the outer sides of two adjacent storage boxes (21) are connected by bolts There is a sealing strip (23). 4. A heat pump dehumidification and drying equipment according to claim 1, characterized in that: the drying box (20) is in the shape of a ring, and the two ends are respectively fixedly connected to the front and back of the heating box (1) , the inner chamber of the drying box (20) communicates with the air guide port (15) and the suction box (18) respectively, and the inside of the drying box (20) is located in the middle of the two storage boxes (21). There is a movable groove, and a partition plate (24) is movably clamped in the movable groove. 5. A heat pump dehumidification and drying equipment according to claim 1, characterized in that: there are two heat pumps (2), and they are symmetrically and fixedly installed at the bottom of the inner cavity of the heating box (1), and the two heat pumps (2) The same end of the heat pump (2) communicates through a conduit.