CN216048095U - Condensation heat recovery energy-saving type full fresh air dehumidifier - Google Patents
Condensation heat recovery energy-saving type full fresh air dehumidifier Download PDFInfo
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- CN216048095U CN216048095U CN202120786930.XU CN202120786930U CN216048095U CN 216048095 U CN216048095 U CN 216048095U CN 202120786930 U CN202120786930 U CN 202120786930U CN 216048095 U CN216048095 U CN 216048095U
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Abstract
A condensation heat recovery energy-saving type full fresh air dehumidifier belongs to the field of indoor air conditioning. The utility model utilizes the evaporator to evaporate and cool the fresh air, and simultaneously utilizes the low-grade energy during the condensation of the refrigerant to heat the fresh air, so as to process the fresh air to meet the purpose of indoor environment. The main components comprise a finned condenser, a refrigeration compressor, a one-way valve, a stop valve, an expansion valve, an evaporator, a condensation recoverer, auxiliary electric heating, a blower and the like. Outdoor fresh air flows into the primary filter under the drive of the air supply fan, solid particles in the filtered air flow into the evaporator, the evaporator exchanges heat with the condensed refrigerant to cool and dehumidify, and the refrigerant vapor in the condensation recoverer is used for heating the fresh air and then is electrically heated to be sent into a room. The system makes full use of the evaporator to cool and dehumidify the fresh air, and simultaneously utilizes the heat emitted during condensation of the refrigerant to heat the fresh air, so that the system is an energy-saving and environment-friendly fresh air dehumidifying system.
Description
Technical Field
The utility model relates to a condensation heat recovery energy-saving type full fresh air dehumidifier, and belongs to the field of indoor air conditioning.
Background
With the development of human society, the utilization level of energy is also increasing, and fossil energy faces the risk of being exploited to the end. Therefore, energy conservation and emission reduction are more and more concerned by people. Research shows that the energy consumption of the air conditioner accounts for more than 30% of the energy consumption of buildings and shows a rising trend. Therefore, energy saving for air conditioning systems in buildings is important. The fresh air dehumidification system is an essential part in the air conditioning system, and can create comfortable environment for indoor personnel through central dehumidification, ventilation and the like.
The fresh air system of the air conditioner is used as one of three air circulation systems of the air conditioner and mainly plays a role in realizing circulation, ventilation and air purification of indoor air and outdoor air. Considering the high ratio of the energy consumption of the air conditioner in the energy consumption of the building, how to reduce the energy consumption of the fresh air system and improve the utilization efficiency of energy sources and simultaneously ensure the comfortable and comfortable indoor environment is more important. For example, patent 201911325022.4 discloses a fresh air dehumidifying air conditioner and a fresh air dehumidifying method, wherein the temperature of fresh air is reduced in an evaporator by a condensed refrigerant to achieve the effects of cooling and dehumidifying, and the fresh air is heated by a heater to reach a set temperature, but the heat in a condenser is not recovered to heat the fresh air, thereby causing a certain energy waste.
When the system is operated, on one hand, the condensed and expanded low-pressure liquid refrigerant exchanges heat with fresh air in the evaporator (25) to reduce the temperature of the fresh air to the dew point temperature, and water vapor in the condensed fresh air is liquid water, so that the effect of fresh air dehumidification is achieved, on the other hand, the temperature emitted when the high-temperature high-pressure refrigerant vapor in the fresh air dehumidification system is condensed is utilized to heat the fresh air, so that the purpose of improving the energy utilization efficiency is achieved, the fresh air is treated to the proper temperature by utilizing auxiliary electric heating and then is sent into a room, and the indoor environment is ensured to achieve a comfortable living environment.
Disclosure of Invention
The utility model aims to provide a condensation heat recovery energy-saving type full fresh air dehumidifier.
The utility model is composed of an axial flow fan 1, a fin condenser 2, a high pressure meter 3, a temperature sensor 4, a pressure transmitter 5, a pressure controller 6, a first stop valve 7, a refrigeration compressor 8, a low pressure meter 9, a bypass valve 10, a second stop valve 11, a heat recovery valve 12, an electromagnetic valve 13, a third stop valve 14, a fourth stop valve 15, a one-way valve 16, a drying filter 17, a fifth stop valve 18, a liquid viewing mirror 19, a liquid receiver 20, an expansion valve 21, a fresh air temperature sensor 22, a fresh air duct 23, a primary effect filter 24, an evaporator 25, a condensation recoverer 26, an auxiliary electric heater 27, a blower 28, an air outlet temperature and humidity sensor 29, an air outlet valve 30, a safety valve 31, a first needle valve 32 and a second needle valve 33;
wherein the liquid reservoir 20 has two outlets respectively corresponding to the inlet of the sight glass 19 and the inlet of the fifth stop valve 18, the fifth stop valve 18 has two inlets respectively corresponding to the outlet of the sight glass 19 and the outlet of the liquid reservoir 20, the fourth stop valve 15 has two outlets respectively corresponding to the inlet of the third stop valve 14 and the inlet of the expansion valve 21, the first needle valve 32 has two inlets respectively corresponding to the outlet of the high pressure gauge 3 and the outlet of the first stop valve 7, the first stop valve 7 has two inlets respectively corresponding to the outlet of the bypass valve 10 and the outlet of the second stop valve 11, the evaporator 25 has two inlets and two outlets respectively corresponding to the outlet of the primary filter 24 and the outlet of the expansion valve 21, the two outlets respectively corresponding to the first inlet of the condensate recoverer 26 and the inlet of the second needle valve 33, the condensate recoverer 26 has two inlets and two outlets, the two inlets respectively corresponding to the first outlet of the evaporator 25 and the outlet of the check valve 16, the two outlets respectively correspond to the inlet of the auxiliary electric heater 27 and the inlet of the second stop valve 11, and the refrigeration compressor 8 has two inlets respectively corresponding to the outlet of the electromagnetic valve 13 and the outlet of the low-pressure meter 9;
the outlet of the finned condenser 2 is connected with the inlet of a liquid receiver 20, the first outlet of the liquid receiver 20 is connected with the first inlet of a fifth stop valve 18, the second outlet of the liquid receiver 20 is connected with the inlet of a liquid sight glass 19, a safety valve 31 is arranged on the liquid receiver 20, the outlet of the liquid sight glass 19 is connected with the second inlet of the fifth stop valve 18, the outlet of the fifth stop valve 18 is connected with the inlet of a dry filter 17, the outlet of the dry filter 17 is connected with the inlet of a fourth stop valve 15, the first outlet of the fourth stop valve 15 is connected with the inlet of a third stop valve 14, the outlet of the third stop valve 14 is connected with the second inlet of a refrigeration compressor 8, the outlet of the refrigeration compressor 8 is connected with the inlet of a pressure transmitter 5, the outlet of the pressure transmitter 5 is connected with the inlet of a temperature sensor 4, the outlet of the temperature sensor 4 is connected with the inlet of a high pressure gauge 3, a first outlet of the high pressure gauge 3 is connected with a first inlet of a first needle valve 32, an outlet of the first needle valve 32 is connected with an inlet of the finned condenser 2, and the axial flow fan 1 is installed on the finned condenser 2 and arranged in parallel with the finned condenser 2;
a second outlet of the fourth cut-off valve 15 is connected to an inlet of the expansion valve 21, an outlet of the expansion valve 21 is connected to a second inlet of the evaporator 25, a second outlet of the evaporator 25 is connected to an inlet of the second needle valve 33, an outlet of the second needle valve 33 is connected to an inlet of the low pressure gauge 9, an outlet of the low pressure gauge 9 is connected to a first inlet of the refrigerant compressor 8, an inlet of the bypass valve 10 is connected to a pipe between the evaporator 25 and the expansion valve 21, and an outlet of the bypass valve 10 is connected to a second inlet of the first cut-off valve 7;
a second inlet of the condensation recoverer 26 is connected with an outlet of the one-way valve 16, a second outlet of the condensation recoverer 26 is connected with an inlet of the second stop valve 11, an outlet of the second stop valve 11 is connected with a first inlet of the first stop valve 7, the pressure controller 6 is connected with the pressure transmitter 5 and the refrigeration compressor 8 in parallel, and the heat recovery valve 12 is connected with the second stop valve 11 in parallel;
fresh air temperature sensor 22 is installed in the entry of fresh air tuber pipe 23, the primary filter 24 is installed on fresh air tuber pipe 23, the export of primary filter 24 links to each other with the first entry of evaporimeter 25, the first export of evaporimeter 25 links to each other with the first entry of condensation recoverer 26, the first export of condensation recoverer 26 links to each other with the entry of supplementary electrical heating 27, the export of supplementary electrical heating 27 links to each other with the entry of forced draught blower 28, the indoor tuber pipe of exit linkage of forced draught blower 28, install air-out temperature and humidity sensor 29 in the exit of tuber pipe, air-out air valve 30.
When the system starts to operate, the refrigeration compressor 8 is started, part of gaseous refrigerant after heat exchange is compressed into high-temperature high-pressure refrigerant vapor, the refrigerant vapor flows through the pressure transmitter 5, the temperature sensor 4, the high-pressure gauge 3 and the needle valve 32 and flows into the fin condenser 2, the axial flow fan 1 is started, the high-temperature high-pressure refrigerant vapor is released and condensed into liquid refrigerant in the fin condenser 2, flows out of the fin condenser 2, flows through the liquid receiver 20, the fifth stop valve 18 and the drying filter 17 to filter impurities in the system, flows through the fourth stop valve 15 after avoiding system blockage, is expanded into low-pressure refrigerant through the expansion valve 21, flows into the evaporator 25 to exchange heat with fresh air in the evaporator, the temperature of the fresh air is reduced to be below the dew point temperature, the moisture content of the fresh air is reduced, the heat-absorbed refrigerant becomes gaseous state, flows out of the evaporator 25, flows through the second needle valve 33, the needle valve 33, After the low pressure meter 9, the refrigerant flows into the refrigeration compressor 8 for the next cycle;
part of high-temperature gaseous refrigerant vapor flows into the condensation recoverer 26 after flowing through the first stop valve 7 and the second stop valve 11, exchanges heat with the cooled and dehumidified fresh air in the condensation recoverer 26 to increase the temperature of the fresh air, and the gaseous refrigerant is condensed into liquid and flows into the liquid receiver 20 for circulation after flowing through the one-way valve 16;
when the evaporation pressure is too low, the first stop valve 7 is opened, and part of high-temperature gaseous refrigerant vapor flows through the bypass valve 10 after flowing through the first stop valve 7 and flows into the evaporator 25 to maintain the evaporation pressure within a certain range;
when the discharge temperature of the refrigeration compressor 8 is too high, the third stop valve 14 and the electromagnetic valve 13 are opened, part of the liquid refrigerant flowing out of the liquid receiver flows through the third stop valve 14 and the electromagnetic valve 13 and flows into the refrigeration compressor 8, the discharge temperature of the compressor is reduced, and the normal operation of the compressor is maintained;
when the system starts to operate, the blower 28 is opened, the air outlet valve 30 is opened, outdoor fresh air flows through the primary filter 24 to filter solid particles in the air and then flows into the evaporator 25, exchanges heat with a refrigerant in the evaporator 25 to reduce temperature and dehumidify, then flows into the condensation recoverer 26 to exchange heat with refrigerant vapor, flows into the auxiliary electric heater 27 after the temperature rises to a certain value, and flows through the blower 28 and the air outlet valve 30 after the temperature reaches a set temperature through electric heating, and then is sent into the room.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Reference designations in FIG. 1: 1. the system comprises an axial flow fan, 2. a fin condenser, 3. a high pressure gauge, 4. a temperature sensor, 5. a pressure transmitter, 6. a pressure controller, 7. a first stop valve, 8. a refrigeration compressor, 9. a low pressure gauge, 10. a bypass valve, 11. a second stop valve, 12. a heat recovery valve, 13. an electromagnetic valve, 14. a third stop valve, 15. a fourth stop valve, 16. a one-way valve, 17. a drying filter, 18. a fifth stop valve, 19. a liquid viewing mirror, 20. a liquid storage device, 21. an expansion valve, 22. a fresh air temperature sensor, 23. a fresh air pipe, 24. a primary effect filter, 25. an evaporator, 26. a condenser, 27. an auxiliary electric heater, 28. a blower, 29. an air outlet temperature and humidity sensor, 30. an air outlet valve, 31. a safety valve, 32. a first needle valve, 33. a second needle valve.
Detailed Description
As shown in fig. 1, the energy-saving type fresh air dehumidifier for condensing heat recovery mainly comprises an axial flow fan 1, a fin condenser 2, a high-pressure meter 3, a temperature sensor 4, a pressure transmitter 5, a pressure controller 6, a first stop valve 7, a refrigeration compressor 8, a low-pressure meter 9, a bypass valve 10, a second stop valve 11, a heat recovery valve 12, an electromagnetic valve 13, a third stop valve 14, a fourth stop valve 15, a one-way valve 16, a drying filter 17, a fifth stop valve 18, a sight glass 19, a liquid reservoir 20, an expansion valve 21, a fresh air temperature sensor 22, a fresh air pipe 23, a primary filter 24, an evaporator 25, a condensing recoverer 26, an auxiliary electric heater 27, a blower 28, an air outlet temperature and humidity sensor 29, an air outlet valve 30, a safety valve 31, a first needle valve 32, and a second needle valve 33.
When the system starts to operate, the refrigeration compressor 8 is started, part of gaseous refrigerant after heat exchange is compressed into high-temperature high-pressure refrigerant vapor, the refrigerant vapor flows through the pressure transmitter 5, the temperature sensor 4, the high-pressure gauge 3 and the needle valve 32 and flows into the fin condenser 2, the axial flow fan 1 is started, the high-temperature high-pressure refrigerant vapor is released and condensed into liquid refrigerant in the fin condenser 2, flows out of the fin condenser 2, flows through the liquid receiver 20, the fifth stop valve 18 and the drying filter 17 to filter impurities in the system, flows through the fourth stop valve 15 after avoiding system blockage, is expanded into low-pressure refrigerant through the expansion valve 21, flows into the evaporator 25 to exchange heat with fresh air in the evaporator, the temperature of the fresh air is reduced to be below the dew point temperature, the moisture content of the fresh air is reduced, the heat-absorbed refrigerant becomes gaseous state, flows out of the evaporator 25, flows through the second needle valve 33, the needle valve 33, After the low pressure meter 9, the refrigerant flows into the refrigeration compressor 8 for the next cycle;
part of high-temperature gaseous refrigerant vapor flows into the condensation recoverer 26 after flowing through the first stop valve 7 and the second stop valve 11, exchanges heat with the cooled and dehumidified fresh air in the condensation recoverer 26 to increase the temperature of the fresh air, and the gaseous refrigerant is condensed into liquid and flows into the liquid receiver 20 for circulation after flowing through the one-way valve 16;
when the evaporation pressure is too low, the first stop valve 7 is opened, and part of high-temperature gaseous refrigerant vapor flows through the bypass valve 10 after flowing through the first stop valve 7 and flows into the evaporator 25 to maintain the evaporation pressure within a certain range;
when the discharge temperature of the refrigeration compressor 8 is too high, the third stop valve 14 and the electromagnetic valve 13 are opened, part of the liquid refrigerant flowing out of the liquid receiver flows through the third stop valve 14 and the electromagnetic valve 13 and flows into the refrigeration compressor 8, the discharge temperature of the compressor is reduced, and the normal operation of the compressor is maintained;
when the system starts to operate, the blower 28 is opened, the air outlet valve 30 is opened, outdoor fresh air flows into the primary filter 24, solid particles in the filtered air flow into the evaporator 25, the solid particles exchange heat with a refrigerant in the evaporator 25 to cool and dehumidify, then flow into the condensation recoverer 26 to exchange heat with refrigerant vapor, the temperature rises to a certain value, then flow into the auxiliary electric heater 27, and after reaching a set temperature through electric heating, the auxiliary electric heater flows through the blower 28 and the air outlet valve 30 and is sent into the room.
Claims (5)
1. The utility model provides a condensation heat recovery energy-saving full fresh air dehumidifier which characterized in that:
the device is characterized by comprising an axial flow fan (1), a finned condenser (2), a high-pressure meter (3), a temperature sensor (4), a pressure transmitter (5), a pressure controller (6), a first stop valve (7), a refrigeration compressor (8), a low-pressure meter (9), a bypass valve (10), a second stop valve (11), a heat recovery valve (12), an electromagnetic valve (13), a third stop valve (14), a fourth stop valve (15), a one-way valve (16), a drying filter (17), a fifth stop valve (18), a liquid sight glass (19), a liquid reservoir (20), an expansion valve (21), a fresh air temperature sensor (22), a fresh air pipe (23), a primary filter (24), an evaporator (25), a condenser (26), an auxiliary electric heater (27), a blower (28), an air outlet temperature sensor (29), an air outlet air valve (30), a safety valve (31), A first needle valve (32) and a second needle valve (33);
wherein the liquid reservoir (20) has two inlets respectively corresponding to an outlet of the check valve (16) and an outlet of the finned condenser (2), the liquid reservoir (20) has two outlets respectively corresponding to an inlet of the sight glass (19) and a first inlet of the fifth stop valve (18), the fifth stop valve (18) has two inlets respectively corresponding to an outlet of the sight glass (19) and an outlet of the liquid reservoir (20), the fourth stop valve (15) has two outlets respectively corresponding to an inlet of the third stop valve (14) and an inlet of the expansion valve (21), the first needle valve (32) has two inlets respectively corresponding to an outlet of the high pressure gauge (3) and an outlet of the first stop valve (7), the first stop valve (7) has two inlets respectively corresponding to an outlet of the bypass valve (10) and an outlet of the second stop valve (11), the evaporator (25) has two inlets and two outlets, the two inlets respectively corresponding to an outlet of the primary filter (24) and an outlet of the expansion valve (21), the two outlets respectively correspond to a first inlet of a condensation recoverer (26) and an inlet of a second needle valve (33), the condensation recoverer (26) is provided with two inlets and two outlets, the two inlets respectively correspond to a first outlet of an evaporator (25) and an outlet of a one-way valve (16), the two outlets respectively correspond to an inlet of an auxiliary electric heater (27) and an inlet of a second stop valve (11), and the refrigeration compressor (8) is provided with two inlets respectively corresponding to an outlet of an electromagnetic valve (13) and an outlet of a low-pressure meter (9);
the outlet of the finned condenser (2) is connected with the inlet of a liquid receiver (20), the first outlet of the liquid receiver (20) is connected with the first inlet of a fifth stop valve (18), the second outlet of the liquid receiver (20) is connected with the inlet of a liquid viewing mirror (19), a safety valve (31) is arranged on the liquid receiver (20), the outlet of the liquid viewing mirror (19) is connected with the second inlet of the fifth stop valve (18), the outlet of the fifth stop valve (18) is connected with the inlet of a drying filter (17), the outlet of the drying filter (17) is connected with the inlet of a fourth stop valve (15), the first outlet of the fourth stop valve (15) is connected with the inlet of a third stop valve (14), the outlet of the third stop valve (14) is connected with the second inlet of a refrigeration compressor (8), the outlet of the refrigeration compressor (8) is connected with the inlet of a pressure transmitter (5), and the outlet of the pressure transmitter (5) is connected with the inlet of a temperature sensor (4), an outlet of the temperature sensor (4) is connected with an inlet of the high-pressure gauge (3), a first outlet of the high-pressure gauge (3) is connected with a first inlet of the first needle valve (32), an outlet of the first needle valve (32) is connected with an inlet of the fin condenser (2), and the axial flow fan (1) is installed on the fin condenser (2) and arranged in parallel with the fin condenser (2);
a second outlet of the fourth stop valve (15) is connected with an inlet of the expansion valve (21), an outlet of the expansion valve (21) is connected with a second inlet of the evaporator (25), a second outlet of the evaporator (25) is connected with an inlet of a second needle valve (33), an outlet of the second needle valve (33) is connected with an inlet of a low pressure gauge (9), an outlet of the low pressure gauge (9) is connected with a first inlet of the refrigeration compressor (8), an inlet of the bypass valve (10) is connected with a pipeline between the evaporator (25) and the expansion valve (21), and an outlet of the bypass valve (10) is connected with a second inlet of the first stop valve (7);
a second inlet of the condensation recoverer (26) is connected with an outlet of the one-way valve (16), a second outlet of the condensation recoverer (26) is connected with an inlet of a second stop valve (11), an outlet of the second stop valve (11) is connected with a first inlet of a first stop valve (7), a pressure controller (6) is connected with a pressure transmitter (5) and a refrigeration compressor (8) in parallel, and a heat recovery valve (12) is connected with the second stop valve (11) in parallel;
fresh air temperature sensor (22) is installed in the entry of fresh air tuber pipe (23), primary filter (24) are installed on fresh air tuber pipe (23), primary filter's (24) export links to each other with the first entry of evaporimeter (25), the first export of evaporimeter (25) links to each other with the first entry of condensation recoverer (26), the first export of condensation recoverer (26) links to each other with the entry of supplementary electrical heating (27), the export of supplementary electrical heating (27) links to each other with the entry of forced draught blower (28), the indoor tuber pipe of exit linkage of forced draught blower (28), install air-out temperature and humidity sensor (29) in the exit of tuber pipe, air-out air valve (30).
2. The condensation heat recovery energy-saving type full fresh air dehumidifier according to claim 1, wherein: after the refrigerant is compressed into high-temperature and high-pressure steam by the refrigeration compressor (8), part of the refrigerant steam enters the condensation recoverer (26) after passing through the temperature sensor (4), the high-pressure meter (3), the first stop valve (7) and the second stop valve (11), fresh air in the condensation recoverer (26) is heated, the refrigerant steam after heat release is condensed into liquid refrigerant, and the liquid refrigerant flows through the one-way valve (16) and flows into the liquid reservoir (20).
3. The condensation heat recovery energy-saving type full fresh air dehumidifier according to claim 1, wherein: the bypass valve (10) is opened, and part of the high-temperature, high-pressure refrigerant vapor flows through the first stop valve (7) and the bypass valve (10) and flows into the evaporator (25).
4. The condensation heat recovery energy-saving type full fresh air dehumidifier according to claim 1, wherein: the refrigerant type used in the system is R407C.
5. The condensation heat recovery energy-saving type full fresh air dehumidifier according to claim 1, wherein: outdoor fresh air flows into the evaporator (25) after passing through solid particles in the primary filter (24) to filter air, exchanges heat with a refrigerant in the evaporator (25), cools and dehumidifies, then flows into the condensation recoverer (26), exchanges heat with refrigerant vapor, flows into the auxiliary electric heater (27) after the temperature rises to a certain value, and flows into the room after reaching a set temperature through the blower (28) and the air outlet valve (30) after being electrically heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120786930.XU CN216048095U (en) | 2021-04-17 | 2021-04-17 | Condensation heat recovery energy-saving type full fresh air dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120786930.XU CN216048095U (en) | 2021-04-17 | 2021-04-17 | Condensation heat recovery energy-saving type full fresh air dehumidifier |
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| CN216048095U true CN216048095U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120786930.XU Active CN216048095U (en) | 2021-04-17 | 2021-04-17 | Condensation heat recovery energy-saving type full fresh air dehumidifier |
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| CN (1) | CN216048095U (en) |
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2021
- 2021-04-17 CN CN202120786930.XU patent/CN216048095U/en active Active
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