CN220828974U - Cold recovery unit of air source carbon dioxide heat pump unit - Google Patents
Cold recovery unit of air source carbon dioxide heat pump unit Download PDFInfo
- Publication number
- CN220828974U CN220828974U CN202322441401.8U CN202322441401U CN220828974U CN 220828974 U CN220828974 U CN 220828974U CN 202322441401 U CN202322441401 U CN 202322441401U CN 220828974 U CN220828974 U CN 220828974U
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- cold recovery
- air
- box body
- carbon dioxide
- heat pump
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- 238000011084 recovery Methods 0.000 title claims abstract description 68
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 26
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 25
- 238000001704 evaporation Methods 0.000 claims abstract description 33
- 230000008020 evaporation Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000011490 mineral wool Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Abstract
The utility model relates to the technical field of cold recovery systems, in particular to a cold recovery device of an air source carbon dioxide heat pump unit, which comprises an evaporation cold recovery box body and an evaporator assembly, wherein the evaporator assembly is arranged in the evaporation cold recovery box body, one end of the evaporation cold recovery box body is provided with a water baffle, the evaporator assembly is connected with a valve bank, the evaporator assembly is provided with an air inlet pipeline and an air return pipeline, the evaporator assembly is arranged in the evaporation cold recovery box body, the air inlet pipeline and the air return pipeline are arranged in the evaporator assembly, the air inlet pipeline and the air return pipeline are arranged in the evaporation cold recovery box body, the air return pipeline and the air supply pipeline are arranged in a matched mode, cold energy recovery is realized, the overall efficiency of the system is improved, and the water baffle is arranged to prevent the device from carrying water when the device is cooled, so that the valve bank provides stable guarantee for the operation of the device.
Description
Technical Field
The utility model relates to the technical field of cold recovery systems, in particular to a cold recovery device of an air source carbon dioxide heat pump unit.
Background
In the chemical fiber production process, the warp surface needs to be dried after pulp is sucked through a pulp groove. The traditional method adopts electric heating, and adopts an air source CO2 heat pump to carry out drying treatment, so that the comprehensive energy saving rate reaches more than 66%. The air source carbon dioxide heat pump unit taking carbon dioxide as a working medium has two remarkable characteristics, namely, the exhaust temperature is high, the heat exchange of high-temperature gas in a gas cooler is represented by smooth temperature sliding, the heat exchange efficiency is high, hot water with the temperature of more than 90 ℃ or hot air with the temperature of more than 85 ℃ can be prepared, and the air source carbon dioxide heat pump unit can be widely applied to the requirement of the temperature range for heat energy, which cannot be achieved by the gas artificial chemical working medium. And secondly, the device can operate under the working condition of extremely low ambient temperature, so that the device can be widely applied to vast areas with larger climate difference in the north and the south. Besides the heat energy of the gas cooler end, cold air of the evaporator end can be introduced into a workshop for cooling requirements of a comfort air conditioner, so that energy at the cold end and the hot end can be used, the comprehensive energy saving rate achieves the effect of increasing 1 time, and the method is practical for energy saving and consumption reduction advocated at present and enterprises. In most of the existing air source heat pump systems, the unit can only perform heat recovery or cold recovery, and the overall energy efficiency of the unit is low.
For example, a chinese patent with publication No. CN213178904U discloses an air source heat pump total cooling recovery system, which comprises a base, air source heat pump unit is installed to the base upper end, recovery tank is installed to the base upper end, air source heat pump unit output intercommunication has the blast pipe, the other end and the recovery tank intercommunication of blast pipe, install the solenoid valve on the blast pipe, recovery tank upper end opening part installs the cover, the cover is gone up and is connected with the commentaries on classics pipe through first bearing rotation, the one end intercommunication of commentaries on classics pipe has the shunt tubes that both ends are sealed, even equidistant a plurality of nozzle that is equipped with on the shunt tube wall, fixed the cup joint from the gear on the commentaries on classics pipe wall, the motor is installed to the cover upper end. Although the utility model can remove dust and harmful substances in the cold waste gas, is convenient for the purified liquid to be uniformly contacted with the cold waste gas, and improves the recovery effect of the cold waste gas, the utility model only can improve the utilization rate of the cold gas, can not realize one machine for multiple purposes, and still has limitation in terms of resource utilization.
Disclosure of utility model
Aiming at the problems in the background art, the utility model provides the cold recovery device of the air source carbon dioxide heat pump unit, which not only uses the heating energy of the gas cooler side, but also uses the cooling energy of the evaporation side, thereby realizing one machine with multiple purposes, doubling the energy efficiency, saving energy and reducing consumption, and bringing considerable economic benefit to enterprises.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an air source carbon dioxide heat pump unit cold recovery device, includes, the cold recovery box of evaporation and evaporator assembly, the cold recovery box of evaporation in set up the evaporator assembly, cold recovery box one end of evaporation sets up the breakwater, the evaporator assembly connect the valves, the evaporator assembly is equipped with inlet channel and return air pipeline.
As the preference, cold collection box lower extreme of evaporation connect a plurality of stabilizer blades, one side of the cold collection box of evaporation is equipped with the access door, the access door homonymy is equipped with the electric cabinet, homonymy sets up electric cabinet and access door and conveniently in time overhauls the device, ensures equipment safety work, improves maintenance efficiency, the setting of stabilizer blade makes the device whole have stability more at the during operation, has improved the radiating effect.
Preferably, the evaporator assembly is provided with an air inlet and an air return port, the air inlet is connected with an air inlet pipeline, the air return port is connected with an air return pipeline, the air inlet and the air return port guide the air to flow, normal cold and hot air exchange is ensured, and the heat dissipation and recovery effect of the system are improved.
Preferably, the evaporator assembly is provided with two fin assemblies, the two fin assemblies are provided with included angles, one end of each fin assembly is connected with the sealing plate, the air return pipeline is connected with the fin assemblies, and the included angles are formed in the fin assemblies, so that the contact area between the fin assemblies and the air return pipeline is increased, and the heat transfer efficiency is improved.
Preferably, the evaporative cooling recovery box body is provided with an air supply section and a heating section, wherein the air supply section is arranged between the sealing plate and the water baffle in the evaporative cooling recovery box body, and the heating section is arranged on the other side of the sealing plate, so that one machine is multipurpose.
Preferably, the bottom of the evaporative cooling recovery box body is connected with a plurality of drainage pipelines, so that condensed water in the evaporator is conveniently discharged, and the normal operation of the device is maintained.
Preferably, the evaporation cold recovery box body is made of rock wool color steel plates, the water baffle is made of ABS (acrylonitrile butadiene styrene), the materials provide corrosion resistance and high temperature resistance for the device, and the rock wool color steel plates have good heat preservation performance and provide guarantee for long-term use of equipment.
Preferably, the valve group comprises an electromagnetic valve and an expansion valve, and the electromagnetic valve and the expansion valve are used in a combined mode to control the flow and the pressure of fluid so as to ensure the stable operation of the system.
Compared with the prior art, the cold recovery device of the air source carbon dioxide heat pump unit comprises an evaporation cold recovery box body and an evaporator assembly, wherein the evaporator assembly is connected in the evaporation cold recovery box body, a water baffle is arranged at one end of the evaporation cold recovery box body, the evaporator assembly is connected with a valve bank, and the evaporator assembly is provided with an air inlet pipeline and an air return pipeline. Through the setting of evaporimeter subassembly installation in evaporating cold recovery box, ensure that the two cooperates the work effectively, realized cold energy recovery through components such as return air line and air supply pipeline, improved the overall efficiency of system, the setting up of breakwater makes the device avoid the air supply to take water when the cooling, and the valves provides stable guarantee for the device operation. The beneficial effects brought by the utility model are as follows.
1. The air source carbon dioxide is adopted as a working medium, so that the method has no harmful emission and is environment-friendly.
2. Through the setting of fin, thermal efficiency obtains make full use of, and heat absorption efficiency is high, and the cooling effect is also good simultaneously.
3. By using solenoid valves and expansion valves, precise control of the cold recovery process is achieved.
Drawings
FIG. 1 is a self-contained schematic of the present utility model;
FIG. 2 is a schematic diagram of the present utility model;
FIG. 3 is a top view of the present utility model (top panel of the de-bin);
Fig. 4 is a schematic view of an evaporator assembly of the present utility model.
Illustration of: the evaporative cooling recycling box body 1, the evaporator assembly 2, the valve bank 3, the water baffle 4, the air inlet pipeline 5, the air return pipeline 6, the air supply section 7, the heating section 8, the supporting legs 1.1, the access door 1.2, the electric cabinet 1.3, the drainage pipeline 1.4, the fin assembly 2.1, the sealing plate 2.2, the electromagnetic valve 3.1, the expansion valve 3.2, the air inlet 5.1, the air return port 6.1 and the three-way pipe 6.2.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details the embodiments of the present disclosure with reference to the accompanying drawings. The proportions of the various elements are not necessarily shown to scale, and the proportions and dimensions shown in the drawings should not be taken to limit the true scope of the utility model, which is not intended to obscure the disclosure with details in any way, nor limit the utility model to the specific embodiments shown.
Referring to the cold recovery device of the air source carbon dioxide heat pump unit shown in fig. 1-3, the cold recovery device comprises an evaporation cold recovery box body 1 and an evaporator assembly 2, wherein the evaporator assembly 2 is connected with the inside of the evaporation cold recovery box body 1, a water baffle 4 is arranged at one end of the evaporation cold recovery box body 1, the evaporator assembly 2 is connected with a valve group 3, and the evaporator assembly 2 is provided with an air inlet pipeline 5 and an air return pipeline 6. Through the setting of the cold recovery box 1 of evaporimeter subassembly 2 installation in evaporating, ensure that the two cooperates the work effectively, improved the overall efficiency of system, the setting up of breakwater makes the device avoid the air supply to take water when the cooling, and the valves provides stable guarantee for the device operation.
As shown in fig. 1, in this embodiment, evaporation cold recovery box 1 lower extreme is provided with 6 stabilizer blades 1.1, encircle the bottom that sets up in evaporation cold recovery box 1, simultaneously, one side of evaporation cold recovery box 1 is provided with access door 1.2, access door 1.2 homonymy is equipped with electric cabinet 1.3, homonymy sets up electric cabinet and access door and conveniently in time overhauls the device, ensure equipment safe operation, improve maintenance efficiency, the setting of stabilizer blade makes the whole stability that has of device at the during operation, the radiating effect has been improved. The evaporation cold recovery box body 1 is provided with an air supply section 7 and a heating section 8, the air supply section 7 is arranged in the evaporation cold recovery box body 1, specifically between the sealing plate 2.2 and the water baffle 4, and the heating section 8 is arranged on the other side of the sealing plate 2.2, so that one machine is multipurpose. As shown in the figure, two drainage pipelines 1.4 are arranged at the bottom of the evaporative cooling recovery box body 1 and are respectively arranged at the air supply section 7 and the heating section 8, so that condensed water in the evaporator is conveniently discharged, and the normal operation of devices is maintained. The evaporation cold recovery box body 1 is made of rock wool color steel plates, the rock wool color steel plates have good heat preservation performance, the device is guaranteed to use heat energy, the water baffle 4 is made of ABS materials, corrosion resistance and high temperature resistance are provided for the device, and long-term use of equipment is guaranteed.
Referring to fig. 2-4, the evaporator assembly 2 is provided with an air inlet 5.1 and an air return port 6.1, the air inlet 5.1 is connected with the air inlet pipeline 5, the air return port 6.1 is connected with the air return pipeline 6, the air inlet 5.1 and the air return port 6.1 guide the air to flow, and the arrangement can ensure normal cold and hot air exchange and improve the heat dissipation and recovery effects of the system. In this embodiment, the evaporator assembly 2 is equipped with two fin assemblies 2.1, and two fin assemblies 2.1 are equipped with the contained angle, and fin assembly 2.1 is connected closing plate 2.2 in the great one end of opening, and return air pipe 6 arranges inside fin assembly 2.1, and return air mouth 6.1 is connected through three-way pipe 6.2 with the return air pipe, has practiced thrift the space, has reduced the degree of difficulty of installation and maintenance. Meanwhile, an included angle is formed between the fin assemblies 2.1, so that the contact area between the fin assemblies and the air return pipeline is increased, and the heat transfer efficiency is improved.
As shown in fig. 4, the valve group 3 of the present utility model controls the flow and pressure of fluid by providing a combination of the solenoid valve 3.1 and the expansion valve 3.2, ensuring stable operation of the system.
The working principle of the utility model comprises: the carbon dioxide compressor sucks low-temperature low-pressure carbon dioxide gas, the low-temperature low-pressure carbon dioxide gas is subjected to isentropic compression to form high-temperature high-pressure gas, and then the high-temperature high-pressure gas is subjected to heat exchange with water in the gas cooler to release heat energy, so that the gas is changed into high-temperature high-pressure liquid. After isenthalpic throttling through an expansion valve, the high-temperature high-pressure liquid is converted into low-temperature low-pressure carbon dioxide gas, and the low-temperature low-pressure carbon dioxide gas enters an evaporator to exchange heat with air, so that the temperature of the air is reduced, and the refrigerating effect is realized. The cooled air is conveyed to a workshop needing cooling through an adiabatic pipeline and used for cooling a comfort air conditioner. The design pressure of the system is up to 15MPa, the breakthrough of the design pressure of an evaporative refrigeration (heat) system in the industry is realized, the cold energy recovery is realized through the heat-insulating return air pipeline, the evaporation section, the heat-insulating air supply pipeline and other components, and the energy utilization efficiency is improved. Meanwhile, the environment-friendly working medium R744 (CO 2) is used for meeting high-pressure working conditions, and has the potential of being widely applied to the fields of comfort air conditioning, refrigeration and cooling.
The present utility model is not limited to the above embodiments, and any modification of the structural design provided by the present utility model, regardless of any changes in shape or material composition, should be considered as being within the scope of the present utility model.
Claims (8)
1. The cold recovery device of the air source carbon dioxide heat pump unit is characterized by comprising an evaporative cold recovery box body (1) and an evaporator assembly (2),
An evaporator assembly (2) is arranged in the evaporation cold recovery box body (1), and a water baffle (4) is arranged at one end of the evaporation cold recovery box body (1);
The evaporator assembly (2) is connected with the valve group (3), and the evaporator assembly (2) is provided with an air inlet pipeline (5) and an air return pipeline (6).
2. The cold recovery device of the air source carbon dioxide heat pump unit according to claim 1, wherein the lower end of the evaporation cold recovery box body (1) is connected with a plurality of supporting legs (1.1), one side of the evaporation cold recovery box body (1) is provided with an access door (1.2), and the same side of the access door (1.2) is provided with an electric cabinet (1.3).
3. An air source carbon dioxide heat pump unit cold recovery device according to claim 1, wherein the evaporator assembly (2) is provided with an air inlet (5.1) and an air return port (6.1), the air inlet (5.1) is connected with an air inlet pipeline (5), and the air return port (6.1) is connected with an air return pipeline (6).
4. The cold recovery device of the air source carbon dioxide heat pump unit according to claim 1 or 3, wherein the evaporator assembly (2) is provided with two fin assemblies (2.1), the two fin assemblies (2.1) are provided with included angles, one end of each fin assembly (2.1) is connected with the corresponding sealing plate (2.2), and the air return pipeline (6) is connected with the fin assemblies (2.1).
5. The cold recovery device of an air source carbon dioxide heat pump unit according to claim 4, wherein the evaporative cold recovery box body (1) is provided with an air supply section (7) and a heating section (8), the air supply section (7) is arranged between a sealing plate (2.2) and a water baffle (4) in the evaporative cold recovery box body (1), and the heating section (8) is arranged on the other side of the sealing plate (2.2).
6. The cold recovery device of the air source carbon dioxide heat pump unit according to claim 1 or 2, wherein the bottom of the evaporation cold recovery box body (1) is connected with a plurality of drainage pipelines (1.4).
7. The cold recovery device of the air source carbon dioxide heat pump unit according to claim 1 or 2, wherein the evaporation cold recovery box body (1) is made of rock wool color steel plates, and the water baffle plate (4) is made of ABS.
8. The cold recovery device of the air source carbon dioxide heat pump unit according to claim 1, wherein the valve group (3) comprises an electromagnetic valve (3.1) and an expansion valve (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322441401.8U CN220828974U (en) | 2023-09-08 | 2023-09-08 | Cold recovery unit of air source carbon dioxide heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322441401.8U CN220828974U (en) | 2023-09-08 | 2023-09-08 | Cold recovery unit of air source carbon dioxide heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828974U true CN220828974U (en) | 2024-04-23 |
Family
ID=90726496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322441401.8U Active CN220828974U (en) | 2023-09-08 | 2023-09-08 | Cold recovery unit of air source carbon dioxide heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828974U (en) |
-
2023
- 2023-09-08 CN CN202322441401.8U patent/CN220828974U/en active Active
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