Air energy heat exchange medium replacing device

Abstract

The utility model relates to the field of air energy heat exchange, and discloses an air energy heat exchange medium replacing device. The air energy heat exchange medium replacing device comprises an evaporator, the bottom end of the evaporator is fixedly connected with a three-way pipe, the top end of the evaporator is fixedly connected with an air conveying pipe, the side end of the air conveying pipe is fixedly connected with a blow-off pipe, and a compressor is fixedly installed at the top end of the air conveying pipe; an air bag is installed at the side end of the top of the compressor, a heat exchange box is installed at the side end of the compressor, a liquid storage tank is installed at the front end of the bottom of the heat exchange box, a cleaning brush is rotationally connected to the interior of the liquid storage tank, a filter is installed at the front end of the liquid storage tank, and a liquid drainage pipe is fixedly connected to the side end of the bottom of the liquid storage tank. The device can clean multiple pipelines in the air energy heat exchanger step by step, the interior of the device can be kept clean, a new heat exchange medium can be replaced conveniently, and the heat exchange efficiency of the device is maintained.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of air energy heat exchange, and particularly relates to an air energy heat exchange medium replacement device. BACKGROUND

[0002] The principle of air energy heat exchange is based on heat pump technology, which absorbs heat energy in the surrounding air and transfers it to a space that needs to be heated or cooled. It uses thermodynamic principles to raise the low-temperature air heat to a higher temperature through a cycle process to provide heating, cooling or hot water.

[0003] As disclosed in the patent with the announcement number CN213395912U, a multifunctional air energy heat exchange device includes indoor heat exchangers, first expansion valves, second expansion valves, outdoor heat exchangers, first four-way valves, compressors, second four-way valves, and heat exchangers connected in sequence. The heat exchanger is also connected between the first expansion valve and the second expansion valve. The first four-way valve is connected with the indoor heat exchanger and the second four-way valve, respectively. The first expansion valve and the second expansion valve are bidirectional expansion valves. The multifunctional air energy heat exchange device can realize five function modes of refrigeration, hot water, refrigeration+hot water, heating and defrosting, and has high energy utilization rate.

[0004] However, the multifunctional air energy heat exchange device lacks a structure for conveniently cleaning and replacing the internal heat exchange medium, which may cause the heat exchange effect to deteriorate after long-term use. Invention content

[0005] The purpose of the application is to solve the problem of the multifunctional air energy heat exchange device lacking a structure for conveniently cleaning and replacing the internal heat exchange medium, which may cause the heat exchange effect to deteriorate after long-term use. The application provides an air energy heat exchange medium replacement device.

[0006] The technical scheme adopted by the application is as follows: an air energy heat exchange medium replacement device includes an evaporation machine, a three-way pipe fixedly connected to the bottom end of the evaporation machine, a gas conveying pipe fixedly connected to the top end of the evaporation machine, a pollution discharge pipe fixedly connected to the side end of the gas conveying pipe, a compressor fixedly installed at the top end of the gas conveying pipe, a gas pocket installed at the top side end of the compressor, a heat exchange box installed at the side end of the compressor, a liquid storage tank installed at the bottom front end of the heat exchange box, a cleaning brush rotatably connected in the liquid storage tank, a filter installed at the front end of the liquid storage tank, a liquid discharge pipe fixedly connected to the bottom side end of the liquid storage tank, a filter fixedly connected to the side end of the three-way pipe, and a cleaning pump installed at the other end of the three-way pipe away from the evaporation machine.

[0007] By adopting the technical scheme, the inside of the evaporator can extract the space outside, and the heat is transmitted to the inside of the heat exchange medium by the internal evaporation device, so that the heat exchange medium absorbs heat and changes from liquid to gas. The heat exchange medium can be recovered and stored in the liquid storage tank after heat exchange in the inside of the heat exchange box. The heat exchange medium stored in the inside of the liquid storage tank can be discharged through the liquid discharge pipe by replacing and cleaning the inside heat exchange medium. The cleaning pump is started, the cleaning water or medicine outside is transported to the inside of the filter and the liquid storage tank through the three-way pipe, and the cleaning brush in the liquid storage tank is rotated for cleaning, and then discharged through the liquid discharge pipe. Then, the cleaning medicine is allowed to enter the inside of the evaporator through the three-way pipe, and is discharged through the gas pipe and the blowdown pipe, so as to clean the heat exchange pipeline. Finally, the stored compressed gas is allowed to enter the inside of the compressor through the gas valve, so as to flush the inside of the gas pipeline.

[0008] In a preferred embodiment, an air suction port is mounted at the front end of the evaporator, and an exhaust hole is formed at the top of the evaporator.

[0009] By adopting the technical scheme, the air suction port is used to suck the gas outside, and the low-temperature gas is discharged through the exhaust hole.

[0010] In a preferred embodiment, a cleaning valve is mounted on the surface of the three-way pipe and close to one side of the cleaning pump, a backflow valve is mounted on the surface of the three-way pipe and close to one side of the evaporator, and a filter valve is mounted on the surface of the three-way pipe and close to one side of the filter.

[0011] By adopting the technical scheme, when the heat exchange medium is recovered to the inside of the evaporator, the cleaning valve can be closed, and the filter valve and the backflow valve can be opened. When the filter and the liquid storage tank are cleaned, the backflow valve can be closed, and the cleaning valve and the filter valve can be opened.

[0012] In a preferred embodiment, a right backflow pipe is fixedly connected to the rear end of the liquid storage tank, and a heat exchange box is fixedly connected to the top end of the right backflow pipe.

[0013] By adopting the technical scheme, the heat exchange medium gas can be collected in the inside of the liquid storage tank through the right backflow pipe after heat exchange and condensation in the inside of the heat exchange box.

[0014] In a preferred embodiment, a stirring shaft is rotatably connected to the inside of the liquid storage tank, a cleaning brush is fixedly connected to the side end of the stirring shaft, and a motor is mounted at the top of the liquid storage tank.

[0015] By adopting the technical scheme, the motor can drive the stirring shaft to rotate, and then drive the cleaning brush on the inner wall of the liquid storage tank to rotate.

[0016] In a preferred embodiment, a blowdown valve is mounted on the surface of the blowdown pipe, and a gas valve is mounted on the surface of the compressor and close to one side of the gas pocket.

[0017] By adopting the technical scheme, when the evaporator and the gas conveying pipe are cleaned, the valve at the compressor can be closed, the sewage valve is opened, and the sewage is discharged through the sewage pipe.

[0018] In a preferred embodiment, the rear end of the compressor is fixedly connected with an air inlet pipe, and a heat exchange box is installed at the top end of the air inlet pipe.

[0019] By adopting the technical scheme, the high-temperature and high-pressure gas compressed at the compressor can be conveyed to the inside of the heat exchange box through the air inlet pipe.

[0020] In a preferred embodiment, the rear end bottom of the heat exchange box is fixedly connected with a hot water pipe, and the rear end top of the heat exchange box is fixedly connected with a gas pocket.

[0021] By adopting the technical scheme, cold water is introduced at the hot water pipe, and the heat-exchanged hot water is discharged through the gas pocket.

[0022] As described above, due to the adoption of the technical scheme, the application has the following beneficial effects:

[0023] In the application, the heat exchange medium inside needs to be replaced and cleaned, at which time the heat exchange medium stored in the liquid storage tank can be discharged through the liquid discharge pipe. The cleaning pump is started, the cleaning water or agent outside is conveyed to the inside of the filter and the liquid storage tank through the three-way pipe, the motor is started to drive the stirring shaft to rotate, thereby driving the cleaning brush on the inner wall of the liquid storage tank to rotate, which can cooperate with the cleaning agent to clean the inside of the liquid storage tank, and then discharged again through the liquid discharge pipe. Then, the cleaning agent is allowed to enter the inside of the evaporator through the three-way pipe, and then discharged through the gas conveying pipe and the sewage pipe to clean the heat exchange pipeline. Finally, the stored compressed gas is allowed to enter the inside of the compressor through the gas valve to flush the inside of the gas pipeline and flush the impurities possibly contained in the inside of the liquid storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of an air energy heat exchange medium replacement device in the application;

[0025] Figure 2 It is a structure schematic view of a backflow cleaning device in the application;

[0026] Figure 3 It is a plan view of the inside structure of a liquid storage tank in the application;

[0027] Figure 4 It is a plan view of the inside structure of a heat exchange box in the application.

[0028] Marked in the figure: 1, evaporator; 2, suction port; 3, exhaust hole; 4, gas conveying pipe; 5, compressor; 6, gas inlet pipe; 7, heat exchange box; 8, liquid storage tank; 9, filter; 10, cleaning pump; 11, motor; 12, cleaning valve; 13, tee pipe; 14, backflow valve; 15, filter valve; 16, right backflow pipe; 17, liquid discharge pipe; 18, stirring shaft; 19, cleaning brush; 20, left backflow pipe; 22, cold water pipe; 23, hot water pipe; 24, gas pocket; 25, gas valve; 26, blowdown pipe; 27, blowdown valve. DETAILED DESCRIPTION

[0029] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] Embodiment:

[0031] Reference Figure 1, including the evaporator 1, the bottom end of the evaporator 1 is fixedly connected with the three-way pipe 13, the top end of the evaporator 1 is fixedly connected with the gas conveying pipe 4, the side end of the gas conveying pipe 4 is fixedly connected with the blowdown pipe 26, the top end of the gas conveying pipe 4 is fixedly installed with the compressor 5, the top side end of the compressor 5 is installed with the gas pocket 24, the side end of the compressor 5 is installed with the heat exchange box 7, the bottom front end of the heat exchange box 7 is installed with the liquid storage tank 8, the inside of the liquid storage tank 8 is rotatably connected with the cleaning brush 19, the front end of the liquid storage tank 8 is installed with the filter 9, the bottom side end of the liquid storage tank 8 is fixedly connected with the liquid discharge pipe 17, the side end of the three-way pipe 13 is fixedly connected with the filter 9, the other end of the three-way pipe 13 away from the evaporator 1 is installed with the cleaning pump 10. The inside of the evaporator 1 can extract the space outside, through the internal evaporation device, the heat is transmitted to the inside of the heat exchange medium, so that the heat exchange medium absorbs heat and changes from liquid to gas. Then the heat exchange gas is sent to the inside of the compressor 5 through the gas conveying pipe 4 and is compressed, the temperature and pressure of the gas are greatly increased. The high-temperature and high-pressure gas after compression flows into the heat exchange box 7 of the heat pump system, and the heat exchange box 7 can heat the domestic water. The heat exchange medium after heat exchange in the heat exchange box 7 can be recovered and stored in the liquid storage tank 8. When it is needed to heat again next time, the heat exchange medium in the liquid storage tank 8 can be returned to the inside of the evaporator 1 through the filter 9 and the three-way pipe 13. After the heat exchange device is used for a period of time, the heat exchange medium inside needs to be replaced and cleaned, at this time the heat exchange medium stored in the liquid storage tank 8 can be discharged through the liquid discharge pipe 17. Start the cleaning pump 10, the outside cleaning water or agent is conveyed to the inside of the filter 9 and the liquid storage tank 8 through the three-way pipe 13, and the cleaning brush 19 in the liquid storage tank 8 is rotated for cleaning, and is discharged again through the liquid discharge pipe 17. Then let the cleaning agent enter the inside of the evaporator 1 through the three-way pipe 13, and is discharged through the gas conveying pipe 4 and the blowdown pipe 26, and the heat exchange pipeline is cleaned. Finally, start 24 to make the stored compressed gas enter the inside of the compressor 5 through the gas valve 25, and the inside of the gas pipeline is flushed, and the impurities possibly contained in the inside are flushed into the inside of the liquid storage tank 8 and discharged. After the cleaning process is completed, new heat exchange medium is added to the inside of the liquid storage tank 8, and the heat exchange medium is used again.

[0032] Referring to Figure 1 , the front end of the evaporator 1 is installed with the air suction port 2, and the top of the evaporator 1 is provided with the exhaust hole 3. The air suction port 2 is used to suck the gas outside, and the gas outside is absorbed by the heat exchange medium through evaporation in the inside of the evaporator 1, and the low-temperature gas is discharged through the exhaust hole 3.

[0033] Referring to Figure 1The surface of the three-way pipe 13 and the side close to the cleaning pump 10 are provided with a cleaning valve 12, the surface of the three-way pipe 13 and the side close to the evaporator 1 are provided with a backflow valve 14, and the surface of the three-way pipe 13 and the side close to the filter 9 are provided with a filter valve 15. When the heat exchange medium is recovered to the inside of the evaporator 1, the cleaning valve 12 can be closed, and the filter valve 15 and the backflow valve 14 can be opened. When the filter 9 and the liquid storage tank 8 are cleaned, the backflow valve 14 can be closed, and the cleaning valve 12 and the filter valve 15 can be opened. When the evaporator 1 is cleaned, the filter valve 15 can be closed, and the cleaning valve 12 and the backflow valve 14 can be opened.

[0034] Referring to Figure 1 The rear end of the liquid storage tank 8 is fixedly connected with a right backflow pipe 16, and the top end of the right backflow pipe 16 is fixedly connected with a heat exchange box 7. The inside of the heat exchange box 7 is provided with a curved heat exchange pipe, and the heat exchange medium gas is condensed after heat exchange in the inside of the heat exchange box 7, and can be collected by backflow through the right backflow pipe 16 to the inside of the liquid storage tank 8.

[0035] Referring to Figure 1 The inside of the liquid storage tank 8 is rotatably connected with an agitator shaft 18, the side end of the agitator shaft 18 is fixedly connected with a cleaning brush 19, and the top of the liquid storage tank 8 is provided with a motor 11. The motor 11 is started to drive the agitator shaft 18 to rotate, and then drive the cleaning brush 19 on the inner wall of the liquid storage tank 8 to rotate, which can cooperate with the cleaning agent to clean the inside of the liquid storage tank 8.

[0036] Referring to Figure 1 The surface of the blowdown pipe 26 is provided with a blowdown valve 27, and the surface of the compressor 5 and the side close to the gas pocket 24 are provided with a gas valve 25. When the evaporator 1 and the gas conveying pipe 4 are cleaned, the valve at the compressor 5 can be closed, the blowdown valve 27 can be opened, and the sewage can be discharged through the blowdown pipe 26. When it is necessary to clean the inside of the compressor 5 and the gas inlet pipe 6, the gas pocket 24 can be started and the gas valve 25 can be opened, and high-pressure gas can be input into the pipe to flush the pipe.

[0037] Referring to Figure 1 The rear end of the compressor 5 is fixedly connected with the gas inlet pipe 6, and the top end of the gas inlet pipe 6 is provided with the heat exchange box 7. The high-temperature and high-pressure gas compressed at the compressor 5 can be conveyed to the inside of the heat exchange box 7 through the gas inlet pipe 6.

[0038] Referring to Figure 1 The rear end of the heat exchange box 7 is fixedly connected with the hot water pipe 22 at the bottom, and the rear end of the heat exchange box 7 is fixedly connected with the gas pocket 23 at the top. Cold water is introduced at the hot water pipe 22, and after heat exchange with the heat exchange medium in the inside of the heat exchange box 7, hot water is discharged through the gas pocket 23 for use.

[0039] The implementation principle of the air energy heat exchange medium replacement device embodiment of the application is as follows: the inside of the evaporator 1 can extract the space outside the device, and the heat is transmitted to the inside of the heat exchange medium through the internal evaporation device, so that the heat exchange medium absorbs heat and is converted from liquid to gas. Then the heat exchange gas is sent to the inside of the compressor 5 through the gas conveying pipe 4 and is compressed, and the temperature and pressure of the gas are greatly increased. The high-temperature and high-pressure gas after compression flows into the heat exchange box 7 of the heat pump system, and the heat exchange box 7 can heat the domestic water. The heat exchange medium after heat exchange in the heat exchange box 7 can be recovered and stored in the liquid storage tank 8. When it is needed to heat again next time, the heat exchange medium in the liquid storage tank 8 can be returned to the inside of the evaporator 1 through the filter 9 and the three-way pipe 13. After the heat exchange device is used for a period of time, the heat exchange medium in the inside needs to be replaced and cleaned, at which time the heat exchange medium stored in the liquid storage tank 8 can be discharged through the liquid discharge pipe 17. The cleaning pump 10 is started, the cleaning water or agent outside is conveyed to the inside of the filter 9 and the liquid storage tank 8 through the three-way pipe 13, the motor 11 is started to drive the stirring shaft 18 to rotate, and then the cleaning brush 19 on the inner wall of the liquid storage tank 8 is driven to rotate, so that the inside of the liquid storage tank 8 can be cleaned with the cleaning agent, and then the cleaning agent is discharged again through the liquid discharge pipe 17. Then the cleaning agent is allowed to enter the inside of the evaporator 1 through the three-way pipe 13, and is discharged through the gas conveying pipe 4 and the blowdown pipe 26, so as to clean the heat exchange pipeline. Finally, the stored compressed gas is allowed to enter the inside of the compressor 5 through the gas valve 25, so as to flush the inside of the gas pipeline and flush the impurities possibly contained in the inside of the gas pipeline into the inside of the liquid storage tank 8. After the cleaning process is completed, new heat exchange medium is added to the inside of the liquid storage tank 8, and the device is used again. When the heat exchange medium is recovered to the inside of the evaporator 1, the cleaning valve 12 can be closed, and the filter valve 15 and the backflow valve 14 can be opened. When the filter 9 and the liquid storage tank 8 are cleaned, the backflow valve 14 can be closed, and the cleaning valve 12 and the filter valve 15 can be opened. When the evaporator 1 is cleaned, the filter valve 15 can be closed, and the cleaning valve 12 and the backflow valve 14 can be opened. The device can step by step clean the pipelines in the air energy heat exchange device, can maintain the cleanliness of the inside of the device, can conveniently replace the new heat exchange medium, and can maintain the heat exchange efficiency of the device.

[0040] The above embodiments are only used to illustrate the technical solutions of the application, rather than limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. An air energy heat exchange medium replacement device comprising an evaporator (1), characterized in that: The bottom end of the evaporator (1) is fixedly connected with a three-way pipe (13), the top end of the evaporator (1) is fixedly connected with a gas conveying pipe (4), the side end of the gas conveying pipe (4) is fixedly connected with a blowdown pipe (26), the top end of the gas conveying pipe (4) is fixedly installed with a compressor (5), the top side end of the compressor (5) is installed with a gas pocket (24), the side end of the compressor (5) is installed with a heat exchange box (7), the bottom front end of the heat exchange box (7) is installed with a liquid storage tank (8), the inside of the liquid storage tank (8) is rotatably connected with a cleaning brush (19), the front end of the liquid storage tank (8) is installed with a filter (9), the bottom side end of the liquid storage tank (8) is fixedly connected with a liquid discharge pipe (17), the side end of the three-way pipe (13) is fixedly connected with a filter (9), the other end of the three-way pipe (13) away from the evaporator (1) is installed with a cleaning pump (10).

2. An air energy heat exchange medium replacement device as claimed in claim 1, characterized in that: The front end of the evaporator (1) is installed with an air suction port (2), and the top of the evaporator (1) is provided with an exhaust hole (3).

3. An air energy heat exchange medium replacement device as defined in claim 1, wherein: The surface of the three-way pipe (13) and the side close to the cleaning pump (10) are installed with a cleaning valve (12), the surface of the three-way pipe (13) and the side close to the evaporator (1) are installed with a backflow valve (14), and the surface of the three-way pipe (13) and the side close to the filter (9) are installed with a filter valve (15).

4. An air energy heat exchange medium changing device as claimed in claim 1, characterized in that: The rear end of the liquid storage tank (8) is fixedly connected with a right backflow pipe (16), and the top end of the right backflow pipe (16) is fixedly connected with a heat exchange box (7).

5. An air energy heat exchange medium changing device as claimed in claim 1, wherein: The inside of the liquid storage tank (8) is rotatably connected with a stirring shaft (18), the side end of the stirring shaft (18) is fixedly connected with a cleaning brush (19), and the top of the liquid storage tank (8) is installed with a motor (11).

6. An air energy heat exchange medium changing device as claimed in claim 1, characterized in that: The surface of the blowdown pipe (26) is installed with a blowdown valve (27), and the surface of the compressor (5) and the side close to the gas pocket (24) are installed with a gas valve (25).

7. An air energy heat exchange medium changing device as set forth in claim 1, characterized by: The rear end of the compressor (5) is fixedly connected with an air inlet pipe (6), and the top end of the air inlet pipe (6) is installed with a heat exchange box (7).

8. An air energy heat exchange medium changing device as claimed in claim 1, characterized in that: The rear end of the heat exchange box (7) is fixedly connected with a hot water pipe (22), and the rear end of the heat exchange box (7) is fixedly connected with a gas pocket (23).

Images