CN220345424U - Air-blast zero-air-consumption energy-saving adsorption dryer - Google Patents

Air-blast zero-air-consumption energy-saving adsorption dryer Download PDF

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Publication number
CN220345424U
CN220345424U CN202320467581.4U CN202320467581U CN220345424U CN 220345424 U CN220345424 U CN 220345424U CN 202320467581 U CN202320467581 U CN 202320467581U CN 220345424 U CN220345424 U CN 220345424U
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pipeline
air
valve
heat exchanger
hot water
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陈敏华
徐睿
王朋
汪洋洋
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Airthink Energy Saving Technology Shanghai Co ltd
Aijing Intelligent Equipment Wuxi Co ltd
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Airthink Energy Saving Technology Shanghai Co ltd
Aijing Intelligent Equipment Wuxi Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The energy-saving adsorption dryer with zero air consumption for air blasting comprises a tower A and a tower B, wherein the lower ends of the tower A and the tower B are respectively connected with an inlet pipe through a first pipeline and a second pipeline; the first pipeline and the second pipeline are connected with the exhaust pipeline through a third pipeline and a fourth pipeline respectively; the fourth pipeline is connected with the heat exchanger through a ninth pipeline, and a regeneration pipeline is connected in the middle of the ninth pipeline; the heat exchanger is connected with the electric heater, the electric heater is connected with the water cooler through a tenth pipeline, and the water cooler is communicated with the regeneration pipeline; the upper ends of the tower A and the tower B are respectively communicated with an outlet pipe through a fifth pipeline and a sixth pipeline; a seventh pipeline is fixedly communicated between the fifth pipeline and the sixth pipeline, and the middle of the seventh pipeline is connected with the tenth pipeline through an eighth pipeline. According to the utility model, the air blower sucks ambient air and heats the ambient air to serve as regeneration heating air flow, and the air flow in the regeneration tower is recycled and cooled by the air blower to realize regeneration cold blowing, so that zero air consumption regeneration is realized, and the purpose of energy conservation is achieved.

Description

Air-blast zero-air-consumption energy-saving adsorption dryer
Technical Field
The utility model relates to the technical field of air drying equipment, in particular to an air-blasting zero-air-consumption energy-saving adsorption dryer.
Background
The adsorption dryer is widely applied to the post-treatment industry of air compressors, the traditional adsorption dryer comprises a tower A and a tower B, the upper parts of the tower A and the tower B are connected through a pneumatic valve, the pneumatic valve is connected with a dryer air outlet, and part of finished gas is used as regeneration gas to regenerate the adsorbent of the regeneration tower and then is discharged into the atmosphere through the valve. One tower adsorbs moisture in the inlet compressed air to dry the air, the outlet part of the device is decompressed, heated and warmed to serve as regeneration air flow to enter the other tower for desorption, and the desorbed regeneration air flow is directly discharged into the atmosphere. Therefore, the conventional adsorption dryer has a part of the outlet drying gas discharged into the atmosphere as a regeneration gas flow, thereby forming regeneration gas consumption, resulting in waste of energy of the compressed air system.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the air-blast zero-air-consumption energy-saving adsorption dryer, which overcomes the defects of the prior art, has reasonable design, sucks ambient air through an air blower and heats the ambient air to be used as regeneration heating air flow, and realizes regeneration cold blowing by using the air flow in a regeneration tower through the internal circulation of the air blower and cooling, thereby realizing zero-air-consumption regeneration and achieving the purpose of energy conservation.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the energy-saving adsorption dryer with zero air consumption for air blowing comprises a tower A and a tower B, wherein the lower ends of the tower A and the tower B are respectively connected with one ends of a first pipeline and a second pipeline, the other ends of the first pipeline and the second pipeline are communicated with an inlet pipe through a tee joint, and a first valve and a second valve are respectively arranged at the other ends of the first pipeline and the second pipeline; one end of a third pipeline is fixedly connected in the middle of the first pipeline, one end of a fourth pipeline is fixedly connected in the middle of the second pipeline, the other ends of the third pipeline and the fourth pipeline are communicated with an exhaust pipeline through a tee joint, and a third valve, a fourth valve and a fifth valve are respectively arranged on the third pipeline, the fourth pipeline and the exhaust pipeline;
one end of the fourth pipeline, which is close to the exhaust pipeline, is fixedly connected with one end of a ninth pipeline, an eighth valve and a ninth valve are respectively arranged on the ninth pipeline, and a regeneration pipeline is fixedly connected between the eighth valve and the ninth valve; the other end of the ninth pipeline is connected with the inlet end of the heat exchanger, the outlet end of the heat exchanger is connected with the inlet end of the electric heater through a pipeline, the outlet end of the electric heater is connected with one end of a tenth pipeline, the other end of the tenth pipeline is connected with the inlet end of the water cooler, a tenth valve is arranged at one end, close to the water cooler, of the tenth pipeline, and the outlet end of the water cooler is communicated with the regeneration pipeline;
the upper ends of the tower A and the tower B are respectively connected with one ends of a fifth pipeline and a sixth pipeline, the other ends of the fifth pipeline and the sixth pipeline are communicated with an outlet pipe through a tee joint, and the other ends of the fifth pipeline and the sixth pipeline are respectively provided with a first one-way control valve and a second one-way control valve; a seventh pipeline is fixedly communicated between the fifth pipeline and the sixth pipeline, a sixth valve and a seventh valve are respectively arranged on the seventh pipeline, one end of an eighth pipeline is fixedly connected between the sixth valve and the seventh valve, and the other end of the eighth pipeline is communicated with the tenth pipeline.
Preferably, a blower is mounted on the regeneration pipeline.
Preferably, the heat exchanger comprises an air-hot water heat exchanger and an air-refrigerant heat exchanger, and the air in the ninth pipeline is preheated by the air-hot water heat exchanger and the air-refrigerant heat exchanger respectively and then enters the electric heater for heating.
Preferably, a hot water outlet end of the air-hot water heat exchanger is connected with one end of a first water pipe, the other end of the first water pipe is fixedly connected with an inlet end of a lubricating oil heat exchanger of the air compressor, an outlet end of the lubricating oil heat exchanger of the air compressor is connected with a hot water tank through a water pipe, an outlet end of the hot water tank is respectively connected with a hot water inlet end of the air-hot water heat exchanger and a hot water inlet end of the refrigerant-hot water heat exchanger through a second water pipe and a third water pipe, a hot water outlet end of the refrigerant-hot water heat exchanger is connected with an inlet end of the lubricating oil heat exchanger of the air compressor through a pipeline, and a hot water pump is arranged at an outlet end of the hot water tank;
the inlet end and the outlet end of the refrigerant flow channel of the refrigerant-hot water heat exchanger are respectively communicated with the outlet end and the inlet end of the refrigerant flow channel of the air-refrigerant heat exchanger through a first refrigerant pipeline and a second refrigerant pipeline.
Preferably, an electronic expansion valve is arranged on the first refrigerant pipeline, and a high-temperature heat pump refrigeration compressor is arranged on the second refrigerant pipeline.
The utility model provides an air-blasting zero-air-consumption energy-saving adsorption dryer. The beneficial effects are as follows: the air blower sucks ambient air and heats the ambient air to be used as regeneration heating air flow, and the air flow in the regeneration tower is recycled and cooled by the air blower to realize regeneration cold blowing, so that zero air consumption regeneration is realized, and the aim of saving energy is fulfilled; and the waste heat of the lubricating oil of the air compressor is utilized to preheat the regenerated airflow, so that the consumption of electric energy is reduced, and the purpose of energy conservation is achieved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a hot water piping system according to the present utility model;
the reference numerals in the figures illustrate:
1. a tower A; 2. a tower B; 3. a first pipeline; 4. a second pipeline; 5. an inlet pipe; 6. a first valve; 7. a second valve; 8. a third pipeline; 9. a fourth pipeline; 10. an exhaust line; 11. a third valve; 12. a fourth valve; 13. a fifth valve; 14. a fifth pipeline; 15. a sixth pipeline; 16. an outlet tube; 17. a first one-way control valve; 18. a second one-way control valve; 19. a seventh pipeline; 20. a sixth valve; 21. a seventh valve; 22. an eighth pipeline; 23. a ninth pipeline; 24. an eighth valve; 25. a ninth valve; 26. a regeneration pipeline; 27. a blower; 28. an electric heater; 29. a tenth pipeline; 30. a water cooler; 31. a tenth valve; 32. an air-hot water heat exchanger; 33. an air-refrigerant heat exchanger; 34. a first water pipe; 35. an air compressor; 36. a hot water tank; 37. a second water pipe; 38. a third water pipe; 39. a refrigerant-hot water heat exchanger; 40. a hot water pump; 42. a first refrigerant line; 43. a second refrigerant line; 44. an electronic expansion valve; 45. high temperature heat pump refrigeration compressor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
1-2, the blowing zero-gas consumption energy-saving adsorption dryer comprises an A tower 1 and a B tower 2, wherein the lower ends of the A tower 1 and the B tower 2 are respectively connected with one ends of a first pipeline 3 and a second pipeline 4, the other ends of the first pipeline 3 and the second pipeline 4 are communicated with an inlet pipe 5 through a tee joint, and a first valve 6 and a second valve 7 are respectively arranged at the other ends of the first pipeline 3 and the second pipeline 4; one end of a third pipeline 8 is fixedly connected in the middle of the first pipeline 3, one end of a fourth pipeline 9 is fixedly connected in the middle of the second pipeline 4, the other ends of the third pipeline 8 and the fourth pipeline 9 are communicated with an exhaust pipeline 10 through a tee joint, and a third valve 11, a fourth valve 12 and a fifth valve 13 are respectively arranged on the third pipeline 8, the fourth pipeline 9 and the exhaust pipeline 10;
one end of the fourth pipeline 9, which is close to the exhaust pipeline 10, is fixedly connected with one end of a ninth pipeline 23, an eighth valve 24 and a ninth valve 25 are respectively arranged on the ninth pipeline 23, and a regeneration pipeline 26 is fixedly connected between the eighth valve 24 and the ninth valve 25; the other end of the ninth pipeline 23 is connected with the inlet end of the heat exchanger, the outlet end of the heat exchanger is connected with the inlet end of the electric heater 28 through a pipeline, the outlet end of the electric heater 28 is connected with one end of a tenth pipeline 29, the other end of the tenth pipeline 29 is connected with the inlet end of a water cooler 30, a tenth valve 31 is arranged at one end, close to the water cooler 30, of the tenth pipeline 29, and the outlet end of the water cooler 30 is communicated with the regeneration pipeline 26; a blower 27 is mounted on the regeneration line 26.
The upper ends of the A tower 1 and the B tower 2 are respectively connected with one ends of a fifth pipeline 14 and a sixth pipeline 15, the other ends of the fifth pipeline 14 and the sixth pipeline 15 are communicated with an outlet pipe 16 through a tee joint, and the other ends of the fifth pipeline 14 and the sixth pipeline 15 are respectively provided with a first one-way control valve 17 and a second one-way control valve 18; a seventh pipeline 19 is fixedly communicated between the fifth pipeline 14 and the sixth pipeline 15, a sixth valve 20 and a seventh valve 21 are respectively arranged on the seventh pipeline 19, one end of an eighth pipeline 22 is fixedly connected between the sixth valve 20 and the seventh valve 21, and the other end of the eighth pipeline 22 is communicated with a tenth pipeline 29.
Working principle:
in the initial state, the second valve 7, the eighth valve 24, the sixth valve 20, the third valve 11 and the fifth valve 13 are closed to form a passage; opening the first valve 6, the fourth valve 12, the ninth valve 25, the seventh valve 21 and the tenth valve 31; and the second one-way control valve 18 is opened to enable the tower A1 to serve as a regeneration tower and the tower B2 to serve as an adsorption tower;
in operation, inlet compressed air enters from the inlet pipe 5, flows through the second valve 7, enters the B tower 2 along the second pipeline for adsorption, turns into dry gas after adsorption in the B tower, flows through the second one-way control valve 18 along the sixth pipeline 15, enters the outlet pipe 16, and flows out of the equipment.
The regeneration heating takes the environment atmosphere as a regeneration air source to enter along a regeneration pipeline 26, firstly, the pressure is increased through a blower 27, then, the environment air flows along a ninth pipeline 23 and flows through an eighth valve 24 to enter a heat exchanger for preheating, and finally, the environment air enters an electric heater 28 for heating to the final required temperature. The heated regenerated heating gas flow sequentially flows through the tenth pipeline 29, the eighth pipeline 22 and the seventh pipeline 19, flows through the sixth valve 20 and then enters the A tower 1 for desorption heating. The flow direction of the regenerated heating gas stream in the A column 1 is opposite to the direction of the adsorption gas stream in the B column 2. The regenerated heating air flow is changed into high-temperature and high-humidity air after the desorption of the tower A1, sequentially flows into the third pipeline 8 along the first pipeline 3, flows into the exhaust pipeline after flowing through the third valve 11, and is discharged to the outside after flowing through the fifth valve 13.
The regeneration gas flow described above is a regeneration heating stage, and the eighth valve 24 and the fifth valve 13 should be opened in a regeneration cold blowing stage, and the ninth valve 25 and the tenth valve 31 should be closed to form a passage; the ambient atmosphere is taken as a regeneration air source, the pressure is increased by a blower, flows through a ninth valve 25 along a ninth pipeline 23 and then enters a third pipeline 8, flows through a third valve 11 and then flows in from the bottom of the tower A1 along the first pipeline 3 to perform regeneration cold blowing, and the flow direction of the regeneration cold blowing air flow in the tower A1 is the same as the adsorption air flow direction in the tower B2. The regenerated cold blowing air flow after cold blowing flows out of the top of the A tower 1, flows into the seventh pipeline 19 along the fifth pipeline 14, flows into the tenth pipeline 29 along the eighth pipeline 22 after flowing through the sixth valve 20, flows into the water cooler after flowing through the tenth valve 31, and finally returns to the regenerated pipeline.
The above-mentioned single tower process of compressed air, and when the working states of the tower a 1 and the tower B2 need to be changed, only need to close the first valve 6, the fourth valve 12, the seventh valve 21, the fifth valve 13 and the eighth valve 24 to form a passage in the initial state, then disconnect the second valve 7, the third valve 11, the sixth valve 20, the ninth valve 25 and the tenth valve 31, and open the first unidirectional control valve 17, so that the tower a 1 can be changed into an adsorption tower, and the tower B2 can be changed into a regeneration tower to operate. The operation principle is the same as the operation process, so that the description is omitted.
Through the process, the air blower 27 is used for sucking ambient air and heating the ambient air as regeneration heating air flow, and the air flow in the regeneration tower is recycled and cooled by the air blower to realize regeneration cold blowing, so that zero-air consumption regeneration is realized, and the aim of saving energy is fulfilled.
In the second embodiment, as a further preferable aspect of the first embodiment, the heat exchanger includes an air-hot water heat exchanger 32 and an air-refrigerant heat exchanger 33, and the air in the ninth pipeline 23 is preheated by the air-hot water heat exchanger 32 and the air-refrigerant heat exchanger 33, and then enters the electric heater 28 for heating.
Specifically, the hot water outlet end of the air-hot water heat exchanger 32 is connected with one end of a first water pipe 34, the other end of the first water pipe 34 is fixedly connected with the inlet end of the lubricating oil heat exchanger of the air compressor 35, the outlet end of the lubricating oil heat exchanger of the air compressor 35 is connected with a hot water tank 36 through a water pipe, the outlet end of the hot water tank 36 is respectively connected with the hot water inlet end of the air-hot water heat exchanger 32 and the hot water inlet end of a refrigerant-hot water heat exchanger 39 through a second water pipe 37 and a third water pipe 38, the hot water outlet end of the refrigerant-hot water heat exchanger 39 is connected with the inlet end of the lubricating oil heat exchanger of the air compressor 35 through a pipeline, and the outlet end of the hot water tank 36 is provided with a hot water pump 40;
the refrigerant flow path inlet and outlet ends of the refrigerant-hot water heat exchanger 39 are respectively connected to the refrigerant flow path outlet and inlet ends of the air-refrigerant heat exchanger 33 through a first refrigerant line 42 and a second refrigerant line 43. An electronic expansion valve 44 is provided in the first refrigerant line 42, and a high-temperature heat pump refrigeration compressor 45 is provided in the second refrigerant line 43.
When the regeneration air flow is preheated, hot water first enters the lubricating oil heat exchanger of the air compressor 35, is heated by high-temperature lubricating oil, and then flows out through the water pipe into the hot water tank 36. The hot water flowing out of the hot water tank 36 is firstly pressurized by the hot water pump 40 and then is divided into two paths to respectively enter the air-hot water heat exchanger 32 and the refrigerant-hot water heat exchanger 39 along the second water pipe 37 and the third water pipe 38; the hot water introduced into the air-hot water heat exchanger 32 transfers heat to the regenerated heating air flow flowing from the ninth pipe 23 to perform primary preheating thereof; the hot water entering the refrigerant-hot water heat exchanger 39 transfers heat to the refrigerant in the high temperature heat pump line; and the hot water flowing out of the air-hot water heat exchanger 32 and the refrigerant-hot water heat exchanger 39, respectively, is again mixed and enters the lubricating oil heat exchanger of the air compressor 35 to absorb heat again, thereby completing one hot water cycle.
The high-temperature heat pump line is a circulation line formed by the refrigerant-hot water heat exchanger 39, the first refrigerant line 42, the second refrigerant line 43, and the air-refrigerant heat exchanger 33. The refrigerant flowing out of the refrigerant-hot water heat exchanger 39 flows into the second refrigerant line 43 and is boosted by the high temperature heat pump refrigeration compressor 45 to raise the temperature, and then flows into the air-refrigerant heat exchanger 33 to release heat for secondary preheating of the regenerated heating air flow. The refrigerant flowing out of the air-refrigerant heat exchanger 33 flows into the first refrigerant line 42 again, is depressurized and cooled by the electronic expansion valve 44, and then enters the refrigerant-hot water heat exchanger 39 to absorb the heat of the hot water therein again, thereby completing one refrigerant cycle.
Through the process, the waste heat of the lubricating oil of the air compressor can be utilized to preheat the regenerated airflow, so that the consumption of electric energy is reduced, and the purpose of energy conservation is achieved. In this embodiment, the regenerated gas stream may also be preheated using waste industrial heat such as hot water, hot gas, hot oil, etc. as a heat source.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. An energy-saving adsorption dryer with zero air consumption of air blast is characterized in that: the device comprises an A tower (1) and a B tower (2), wherein the lower ends of the A tower (1) and the B tower (2) are respectively connected with one ends of a first pipeline (3) and a second pipeline (4), the other ends of the first pipeline (3) and the second pipeline (4) are respectively communicated with an inlet pipe (5) through a tee joint, and a first valve (6) and a second valve (7) are respectively arranged at the other ends of the first pipeline (3) and the second pipeline (4); one end of a third pipeline (8) is fixedly connected in the middle of the first pipeline (3), one end of a fourth pipeline (9) is fixedly connected in the middle of the second pipeline (4), the other ends of the third pipeline (8) and the fourth pipeline (9) are communicated with an exhaust pipeline (10) through a tee joint, and a third valve (11), a fourth valve (12) and a fifth valve (13) are respectively arranged on the third pipeline (8), the fourth pipeline (9) and the exhaust pipeline (10);
one end of the fourth pipeline (9) close to the exhaust pipeline (10) is fixedly connected with one end of a ninth pipeline (23), an eighth valve (24) and a ninth valve (25) are respectively arranged on the ninth pipeline (23), and a regeneration pipeline (26) is fixedly connected between the eighth valve (24) and the ninth valve (25); the other end of the ninth pipeline (23) is connected with the inlet end of the heat exchanger, the outlet end of the heat exchanger is connected with the inlet end of the electric heater (28) through a pipeline, the outlet end of the electric heater (28) is connected with one end of a tenth pipeline (29), the other end of the tenth pipeline (29) is connected with the inlet end of the water cooler (30), a tenth valve (31) is arranged at one end, close to the water cooler (30), of the tenth pipeline (29), and the outlet end of the water cooler (30) is communicated with the regeneration pipeline (26);
the upper ends of the tower A (1) and the tower B (2) are respectively connected with one ends of a fifth pipeline (14) and a sixth pipeline (15), the other ends of the fifth pipeline (14) and the sixth pipeline (15) are communicated with an outlet pipe (16) through a tee joint, and a first one-way control valve (17) and a second one-way control valve (18) are respectively arranged at the other ends of the fifth pipeline (14) and the sixth pipeline (15); a seventh pipeline (19) is fixedly communicated between the fifth pipeline (14) and the sixth pipeline (15), a sixth valve (20) and a seventh valve (21) are respectively arranged on the seventh pipeline (19), one end of an eighth pipeline (22) is fixedly connected between the sixth valve (20) and the seventh valve (21), and the other end of the eighth pipeline (22) is communicated with a tenth pipeline (29).
2. The blast zero gas consumption energy-saving adsorption dryer according to claim 1, wherein: a blower (27) is arranged on the regeneration pipeline (26).
3. The blast zero gas consumption energy-saving adsorption dryer according to claim 1, wherein: the heat exchanger comprises an air-hot water heat exchanger (32) and an air-refrigerant heat exchanger (33), and air in the ninth pipeline (23) is preheated by the air-hot water heat exchanger (32) and the air-refrigerant heat exchanger (33) respectively and then enters the electric heater (28) for heating.
4. A blast zero gas consumption energy saving adsorption dryer according to claim 3, wherein: the hot water outlet end of the air-hot water heat exchanger (32) is connected with one end of a first water pipe (34), the other end of the first water pipe (34) is fixedly connected with the inlet end of a lubricating oil heat exchanger of the air compressor (35), the outlet end of the lubricating oil heat exchanger of the air compressor (35) is connected with a hot water tank (36) through a water pipe, the outlet end of the hot water tank (36) is connected with the hot water inlet end of the air-hot water heat exchanger (32) and the hot water inlet end of a refrigerant-hot water heat exchanger (39) through a second water pipe (37) and a third water pipe (38) respectively, the hot water outlet end of the refrigerant-hot water heat exchanger (39) is connected with the inlet end of the lubricating oil heat exchanger of the air compressor (35) through a pipeline, and the outlet end of the hot water tank (36) is provided with a hot water pump (40);
the inlet end and the outlet end of the refrigerant flow channel of the refrigerant-hot water heat exchanger (39) are respectively communicated with the outlet end and the inlet end of the refrigerant flow channel of the air-refrigerant heat exchanger (33) through a first refrigerant pipeline (42) and a second refrigerant pipeline (43).
5. The blast zero gas consumption energy-saving adsorption dryer according to claim 4, wherein: an electronic expansion valve (44) is arranged on the first refrigerant pipeline (42), and a high-temperature heat pump refrigeration compressor (45) is arranged on the second refrigerant pipeline (43).
CN202320467581.4U 2023-03-13 2023-03-13 Air-blast zero-air-consumption energy-saving adsorption dryer Active CN220345424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320467581.4U CN220345424U (en) 2023-03-13 2023-03-13 Air-blast zero-air-consumption energy-saving adsorption dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320467581.4U CN220345424U (en) 2023-03-13 2023-03-13 Air-blast zero-air-consumption energy-saving adsorption dryer

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CN220345424U true CN220345424U (en) 2024-01-16

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