CN116379523A - Runner dehumidification air conditioning unit of integrated high temperature heat pump regeneration - Google Patents
Runner dehumidification air conditioning unit of integrated high temperature heat pump regeneration Download PDFInfo
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- CN116379523A CN116379523A CN202310345007.6A CN202310345007A CN116379523A CN 116379523 A CN116379523 A CN 116379523A CN 202310345007 A CN202310345007 A CN 202310345007A CN 116379523 A CN116379523 A CN 116379523A
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- dehumidification
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 100
- 230000008929 regeneration Effects 0.000 title claims abstract description 61
- 238000011069 regeneration method Methods 0.000 title claims abstract description 61
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 238000005057 refrigeration Methods 0.000 claims abstract description 59
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 47
- 238000001704 evaporation Methods 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 230000001172 regenerating effect Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
Abstract
The invention discloses a rotary dehumidification air-conditioning unit for regenerating an integrated high-temperature heat pump, which comprises a front-stage refrigeration dehumidification system, a rotary dehumidification regeneration system and a rear-stage refrigeration system, wherein the front-stage refrigeration dehumidification system comprises a first-stage heat pump and a second-stage heat pump; the processed air is cooled and dehumidified by a pre-stage refrigeration and dehumidification system, then deeply dehumidified by a rotating wheel, and finally cooled by a post-stage refrigeration system to reach the air supply temperature. The condensation heat released by the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system is absorbed by the rotating wheel dehumidification and regeneration system, and the rotating wheel dehumidification and regeneration system is utilized to heat the regeneration wind of the rotating wheel. The scheme uses the high-temperature heat pump system to heat the regenerated wind, so that a large amount of heating electric energy consumption can be avoided, and the energy efficiency of the whole system of the rotating wheel dehumidification air conditioning unit is greatly improved; and simultaneously, the condensation heat of the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system are recovered to be used as heat sources of the rotary dehumidification and regeneration system.
Description
Technical Field
The invention belongs to the fields of refrigeration, air conditioning and heat pumps, and particularly relates to a rotating wheel dehumidifying air conditioning unit for regenerating an integrated high-temperature heat pump.
Background
With the continuous improvement of the requirements of industrial production environments, the deep dehumidification air conditioner becomes an essential key device in production and life. At present, a common deep dehumidification air conditioning system generally adopts a mode of combining refrigeration dehumidification and rotating wheel dehumidification, firstly, cooling dehumidification is carried out on the processed air through refrigeration dehumidification, and then, the rotating wheel is used for carrying out deep dehumidification on the processed air.
Such refrigeration dehumidification is combined with rotary dehumidification, and a front-stage refrigeration dehumidification system, a rotary dehumidification system and a rear-stage refrigeration system are generally required. In the process of rotating wheel dehumidification, hot air is required to be used for regeneration, the existing rotating wheel regeneration dehumidification generally adopts an electric heating mode to heat the regeneration air of the rotating wheel (as shown in figure 1), the temperature of the regeneration air of the rotating wheel is raised through electric heating (shown as number 43), and the regeneration air generally needs to be heated to about 120 ℃, and high power is arranged in the electric heating 43, so that a large amount of electric energy is consumed for rotating wheel regeneration in the whole unit operation process; and secondly, the condensation heat of the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system respectively need to be provided with air-cooled condensers ( number 41 and 42 in the figure) to dissipate heat, and a large amount of heat is directly discharged in the nature to cause certain heat pollution.
Disclosure of Invention
The invention aims to: the invention aims to provide a runner dehumidification air-conditioning unit for regenerating by an integrated high-temperature heat pump, which utilizes a runner dehumidification regeneration system to heat runner regeneration wind instead of the original electric heating, can greatly reduce the consumption of electric energy in the regeneration process, and simultaneously recycles the condensation heat of a front-stage refrigeration dehumidification system and a rear-stage refrigeration system.
The technical scheme is as follows: the invention comprises a front-stage refrigeration dehumidification system and a rear-stage refrigeration system, and also comprises a rotary dehumidification regeneration system, wherein the rotary dehumidification regeneration system comprises a high-temperature compressor, and an exhaust port of the high-temperature compressor is sequentially connected with a third oil separator, a condenser and a third liquid reservoir; the outlet of the third liquid storage device is divided into two paths, one path is connected to the third gas-liquid separator through the first evaporation condenser, the other path is connected to the third gas-liquid separator through the second evaporation condenser, and then the two paths are collected and enter an air suction port of the high-temperature compressor; the condenser is arranged at the inlet of the upper air duct of the rotating wheel, the first evaporative condenser is connected with the front-stage refrigeration and dehumidification system, and the second evaporative condenser is connected with the rear-stage refrigeration system; the processed air is subjected to cooling and dehumidification through a pre-stage refrigeration and dehumidification system, then subjected to deep dehumidification through a rotating wheel, and finally subjected to cooling through a post-stage refrigeration system to reach the air supply temperature; the condensation heat released by the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system is absorbed by the rotating wheel dehumidification and regeneration system, and the rotating wheel dehumidification and regeneration system is utilized to heat the regeneration wind of the rotating wheel.
And a pipeline between the high-temperature compressor and the third oil separator is provided with a high-pressure gauge, a needle valve, a high-pressure sensor and a high-pressure temperature sensor.
The pipeline between the compressor and the third gas-liquid separator is provided with a low-pressure temperature sensor, a low-pressure sensor and a low-pressure gauge.
And a pressure controller is also arranged between the inlet and the outlet of the compressor.
The outlet pipeline of the third liquid storage device is sequentially connected with a fifth ball valve, a third dry filter, a sixth ball valve and a third electronic expansion valve in series, and then is divided into two paths.
The regeneration wind required in the rotating wheel dehumidification regeneration system is pushed by a regeneration fan, and enters the rotating wheel to regenerate after being heated by a condenser and finally is sent out of the room.
The front-stage refrigeration and dehumidification system comprises a first compressor, wherein an exhaust port of the first compressor is sequentially connected with a first oil separator, a first evaporative condenser, a first liquid storage device, a first evaporator and a first gas-liquid separator, and finally returns to an air suction port of the first compressor.
The rear-stage refrigerating system comprises a second compressor, wherein an exhaust port of the second compressor is sequentially connected with a second oil separator, a second evaporative condenser, a second liquid reservoir, a second evaporator and a second gas-liquid separator, and finally returns to an air suction port of the second compressor.
The beneficial effects are that: compared with the prior art, the technical scheme of the invention has the beneficial effects that:
(1) The rotating wheel dehumidification regeneration system is utilized to heat the rotating wheel regeneration wind, so that the consumption of electric energy in the regeneration process can be greatly reduced, the overall energy efficiency of the unit is greatly improved, and the running cost of the unit is greatly reduced;
(2) The rotary dehumidification regeneration system recycles condensation heat of the front-stage refrigeration dehumidification system and the rear-stage refrigeration system, can reduce the demand of a unit on an air-cooled condenser, and simultaneously reduces heat release of the system to the nature and reduces heat pollution.
Drawings
FIG. 1 is a schematic diagram of the prior art;
fig. 2 is a schematic diagram of the present invention.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the detailed description and the attached drawings.
As shown in fig. 2, the rotary dehumidification air conditioning unit of the present invention includes a front stage refrigeration dehumidification system, a rotary dehumidification regeneration system, and a rear stage refrigeration system.
The front-stage refrigeration and dehumidification system comprises a first compressor 1, wherein an exhaust port of the first compressor 1 is sequentially connected with a first oil separator 6, a first evaporation condenser 7, a first liquid reservoir 8, a first evaporator 13 and a first gas-liquid separator 14, and finally returns to an air suction port of the first compressor 1. The piping between the first compressor 1 and the first oil separator 6 is provided with a high-pressure gauge 2, a needle valve 3, a high-pressure sensor 4, and a high-pressure temperature sensor 5. The high-pressure sensor 4 and the high-pressure temperature sensor 5 are used for monitoring and controlling the exhaust pressure and the exhaust temperature of the first compressor 1, so that the condition that the pressure and the temperature are too high to exceed the operation range of the compressor is avoided, and the safe operation of the whole system is influenced; the needle valve 3 is used for vacuumizing the system, injecting refrigerant, externally connecting pressure monitoring equipment and the like; the high-pressure gauge 2 is used for displaying the exhaust pressure of the high-pressure gauge, so that an operator can know the state of the system conveniently. The pipeline between the first compressor 1 and the first gas-liquid separator 14 is provided with a low-pressure temperature sensor 15, a low-pressure sensor 16 and a low-pressure gauge 17, wherein the low-pressure temperature sensor 15 and the low-pressure sensor 16 are used for monitoring and controlling the suction force and suction temperature of the first compressor 1, so that the condition that the pressure temperature is too low to exceed the operation range of the compressor is avoided, and the safe operation of the whole system is influenced; the low pressure gauge 17 is used to display the suction pressure of the first compressor 1. A pressure controller 18 is also disposed between the inlet and the outlet of the first compressor 1, and can control the pressure values of the inlet and the outlet thereof. The pipeline between the first liquid reservoir 8 and the first evaporator 13 is connected in series with a first ball valve 9, a first dry filter 10, a second ball valve 11 and a first electronic expansion valve 12 in sequence.
The high-temperature and high-pressure refrigerant gas flows out from the exhaust port of the first compressor 1, sequentially passes through the first oil separator 6 to be subjected to oil separation, then enters the first evaporation condenser 7 to be condensed into high-pressure liquid, and is stored in the first liquid reservoir 8. With the continuous circulation of the whole refrigerant, the high-pressure liquid passes through the first ball valve 9, the first dry filter 10 and the second ball valve 11 in sequence after exiting from the first liquid reservoir, and then is reduced in pressure to low-pressure low-temperature liquid through the first electronic expansion valve 12. The low-temperature low-pressure liquid enters the first evaporator 13 to exchange heat with the air to be treated, the air to be treated is cooled to below the dew point temperature so as to separate out water to achieve the dehumidification purpose, the low-temperature low-pressure liquid absorbs heat and becomes low-pressure gas to flow back to the first gas-liquid separator 14, the low-pressure refrigerant vapor after gas-liquid separation continues to flow to the air suction port of the normal-temperature compressor 1, and is compressed into high-temperature high-pressure refrigerant vapor therein, so that the whole refrigeration dehumidification cycle is formed.
The rear refrigeration and dehumidification system comprises a second compressor 19, wherein an exhaust port of the second compressor 19 is sequentially connected with a second oil separator 20, a second evaporation condenser 21, a second liquid reservoir 22, a second evaporator 27 and a second gas-liquid separator 28, and finally returns to an air suction port of the second compressor 19. The second compressor 19 is provided with a high pressure gauge 2, a needle valve 3, a high pressure sensor 4 and a high pressure temperature sensor 5 at the discharge port. The piping between the second compressor 19 and the second gas-liquid separator 28 is provided with a low-pressure temperature sensor 15, a low-pressure sensor 16, and a low-pressure gauge 17. A pressure controller 18 is also provided between the inlet and the outlet of the second compressor 19. The pipeline between the second reservoir 22 and the second evaporator 27 is connected in series with a third ball valve 23, a second dry filter 24, a fourth ball valve 25 and a second electronic expansion valve 26 in sequence. The first compressor 1 and the second compressor 19 are both at normal temperature.
In the latter refrigeration and dehumidification system, the refrigerant gas flows out from the exhaust port of the second compressor 19, sequentially passes through the second oil separator 20, the second evaporation condenser 21, the second accumulator 22, the third ball valve 23, the second dry filter 24, the fourth ball valve 25, the second electronic expansion valve 26, the second evaporator 27 and the second gas-liquid separator 28, and finally returns to the suction port of the normal temperature compressor 19, similarly to the refrigerant cycle in the former refrigeration and dehumidification system.
The rotating wheel dehumidifying and regenerating system is provided with a high-temperature compressor 33, an exhaust port of the rotating wheel dehumidifying and regenerating system is sequentially connected with a third oil separator 34, a condenser 32 and a third liquid storage 35, an outlet of the third liquid storage 35 is divided into two paths, one path is connected to a third gas-liquid separator 40 through a first evaporation condenser 7, the other path is connected to the third gas-liquid separator 40 through a second evaporation condenser 21, and then the gas-liquid separators are collected into an air suction port of the high-temperature compressor 33. That is, the first evaporative condenser 7 and the second evaporative condenser 21 are in a parallel state in the rotary dehumidification regeneration system. The first evaporative condenser 7 and the second evaporative condenser 21 respectively play roles of condensers in a front-stage refrigeration and dehumidification system and a rear-stage refrigeration and dehumidification system, so that heat release of the front-stage refrigeration and dehumidification system and the rear-stage refrigeration and dehumidification system is realized; meanwhile, the two components play the role of an evaporator in the rotary dehumidification regeneration system, so that the condensation heat released in the front-stage and rear-stage refrigeration dehumidification systems is recovered and used as a heat absorption source of the rotary dehumidification regeneration system. The condenser 32 is arranged at the inlet of the upper air duct of the rotating wheel 29, and the heat released by the condenser 32 heats the regenerated air, so that the use of regenerated electric heating is avoided, and the electric energy input of the system is greatly reduced. In this scheme, the outlet pipeline of the third liquid reservoir 35 is first sequentially connected in series with a fifth ball valve 36, a third dry filter 37, a sixth ball valve 38, and a third electronic expansion valve 39, and then is divided into two paths. The third dry filter 37 is used for cleaning the system, ensuring the cleanliness in the system, the fifth ball valve 36 and the sixth ball valve 38 are used for closing the system when the third dry filter 37 is replaced, avoiding leakage and waste of a large amount of refrigerant, and the third electronic expansion valve 39 belongs to one of four refrigeration pieces and is used for throttling and decompressing high-pressure liquid in the rotary dehumidification regeneration system to low-pressure liquid. The piping between the high-temperature compressor 33 and the third oil separator 34 is provided with a high-pressure gauge 2, a needle valve 3, a high-pressure sensor 4, and a high-pressure temperature sensor 5. The high-pressure gauge 2 and the high-pressure sensor 4 are both used for monitoring the high-pressure state of the rotary dehumidification regeneration system, the high-pressure gauge 2 is convenient for directly reading data on site to verify the high-pressure sensor 4, the high-pressure sensor 4 is used for system control, the influence of the high-pressure out-of-range on the system safety is avoided, the high-pressure temperature sensor 5 is used for monitoring the exhaust temperature of the high-temperature compressor 33, the damage of the compressor due to the out-of-temperature out-of-range is avoided, and the needle valve 3 is used for auxiliary operations such as system vacuumizing and the like. The piping between the high-temperature compressor 33 and the third gas-liquid separator 40 is provided with a low-pressure temperature sensor 15, a low-pressure sensor 16, and a low-pressure gauge 17. The low pressure sensor 16 and the low pressure gauge 17 are both used for monitoring and controlling the suction pressure of the high temperature compressor 33, so that the condition that the pressure is too low to exceed the operation range of the compressor is avoided, the safe operation of the whole system is affected, the suction pressure of the high temperature compressor 33 can be displayed on site by the low pressure gauge 17, whether the low pressure sensor 16 works normally or not is checked, and the low pressure sensor 16 is connected to a control system, so that the automatic monitoring and control of the whole rotating wheel dehumidification regeneration system are realized. The pressure controller 18 is also configured between the inlet and the outlet of the high-temperature compressor 33, and can control the pressure values of the air inlet and the air outlet of the high-temperature compressor 33, ensure that the high-temperature compressor 33 operates within a given reasonable pressure range and realize double protection of the compressor.
The processed air is subjected to cooling and dehumidification through a pre-stage refrigeration and dehumidification system, then subjected to deep dehumidification through a rotating wheel, and finally subjected to cooling through a post-stage refrigeration system to reach the air supply temperature; the condensation heat released by the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system is absorbed by the rotating wheel dehumidification and regeneration system, and the rotating wheel dehumidification and regeneration system is utilized to heat the regenerated wind of the rotating wheel 29.
The processed air is pushed by the air supply centrifugal fan 30, sequentially passes through the first evaporator 13, is cooled and dehumidified by the first evaporator, then enters the rotating wheel 29 for deep dehumidification, and the processed air after coming out is in a state of high temperature and extremely low absolute moisture content, enters the second evaporator 27 for cooling to reach a proper air supply temperature point, and finally is sent into a using space.
The dehumidified rotating wheel 29 needs to be regenerated by using high-temperature regeneration wind, the regeneration wind required in the rotating wheel dehumidification regeneration system is pushed by a regeneration fan 31, the regeneration wind is heated by a condenser 32 and then enters the rotating wheel 29 to regenerate, and the used regeneration wind is sent out of the room, so that the dehumidification regeneration process is continuously and circularly completed. In the scheme, the R245fa system is adopted in the regenerated high-temperature heat pump system, the highest condensation temperature is up to 135 ℃, and the heating requirement of the regenerated wind at 120 ℃ can be met. The rotary dehumidification regeneration system is used for heating the regenerated wind, so that a large amount of heating electric energy consumption can be avoided, and the energy efficiency of the whole system of the rotary dehumidification air conditioning unit is greatly improved.
Unlike the front stage refrigerating and dehumidifying system and the back stage refrigerating system, the rotating wheel dehumidifying and regenerating system is one high temperature heat pump system with high temperature running state, and has different parts from normal temperature refrigerating system and high temperature resistance.
The first evaporative condenser 7 belongs to a condenser in a front-stage refrigeration and dehumidification system, the second evaporative condenser 21 belongs to a condenser in a rear-stage refrigeration system, the first evaporative condenser and the second evaporative condenser belong to evaporators in a rotary dehumidification and regeneration system, and condensation heat of the front-stage refrigeration and dehumidification system and condensation heat of the rear-stage refrigeration system are both recovered to be used as heat sources of the rotary dehumidification and regeneration system through a parallel design.
Claims (8)
1. The utility model provides a runner dehumidification air conditioning unit that integrated high temperature heat pump regenerated, includes preceding stage refrigeration dehumidification system and rear refrigerating system, its characterized in that: the system also comprises a rotary dehumidification regeneration system, wherein the rotary dehumidification regeneration system comprises a high-temperature compressor (33), and an exhaust port of the high-temperature compressor (33) is sequentially connected with a third oil separator (34), a condenser (32) and a third liquid reservoir (35); the outlet of the third liquid storage device (35) is divided into two paths, one path is connected to the third gas-liquid separator (40) through the first evaporation condenser (7), the other path is connected to the third gas-liquid separator (40) through the second evaporation condenser (21), and then the two paths are collected and enter the air suction port of the high-temperature compressor (33); the condenser (32) is arranged at the inlet of the upper air duct of the rotating wheel (29), the first evaporation condenser (7) is connected to the front-stage refrigeration and dehumidification system, and the second evaporation condenser (21) is connected to the rear-stage refrigeration system;
the processed air is subjected to cooling and dehumidification through a pre-stage refrigeration and dehumidification system, then subjected to deep dehumidification through a rotating wheel, and finally subjected to cooling through a post-stage refrigeration system to reach the air supply temperature; the condensation heat released by the front-stage refrigeration and dehumidification system and the rear-stage refrigeration system is absorbed by the rotating wheel dehumidification and regeneration system, and the rotating wheel dehumidification and regeneration system is utilized to heat the regenerated wind of the rotating wheel (29).
2. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump of claim 1, wherein: the pipeline between the high-temperature compressor (33) and the third oil separator (34) is provided with a high-pressure gauge (2), a needle valve (3), a high-pressure sensor (4) and a high-pressure temperature sensor (5).
3. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump of claim 1, wherein: a pipeline between the compressor (33) and the third gas-liquid separator (40) is provided with a low-pressure temperature sensor (15), a low-pressure sensor (16) and a low-pressure gauge (17).
4. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump of claim 1, wherein: a pressure controller (18) is also arranged between the inlet and the outlet of the compressor (33).
5. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump of claim 1, wherein: the outlet pipeline of the third liquid storage device (35) is sequentially connected with a fifth ball valve (36), a third dry filter (37), a sixth ball valve (38) and a third electronic expansion valve (39) in series, and then the third liquid storage device is divided into two paths.
6. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump of claim 1, wherein: the regeneration wind required in the runner dehumidification regeneration system is pushed by a regeneration fan (31), and enters a runner (29) to regenerate after being heated by a condenser (32), and finally is sent out of the room.
7. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump according to any one of claims 1 to 6, wherein: the front-stage refrigeration dehumidification system comprises a first compressor (1), wherein an exhaust port of the first compressor (1) is sequentially connected with a first oil separator (6), a first evaporative condenser (7), a first liquid storage device (8), a first evaporator (13) and a first gas-liquid separator (14), and finally returns to an air suction port of the first compressor (1).
8. The rotary dehumidification air conditioning unit for regeneration by an integrated high temperature heat pump according to any one of claims 1 to 6, wherein: the rear-stage refrigerating system comprises a second compressor (19), wherein an exhaust port of the second compressor (19) is sequentially connected with a second oil separator (20), a second evaporative condenser (21), a second liquid storage device (22), a second evaporator (27) and a second gas-liquid separator (28), and finally returns to an air suction port of the second compressor (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310345007.6A CN116379523A (en) | 2023-04-03 | 2023-04-03 | Runner dehumidification air conditioning unit of integrated high temperature heat pump regeneration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310345007.6A CN116379523A (en) | 2023-04-03 | 2023-04-03 | Runner dehumidification air conditioning unit of integrated high temperature heat pump regeneration |
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| CN217929282U (en) * | 2022-07-21 | 2022-11-29 | 南京明盛制冷科技有限公司 | Semi-closed piston type air-cooled compression condensing unit with defrosting function for low-temperature refrigeration house |
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| CN109990398A (en) * | 2019-04-28 | 2019-07-09 | 中原工学院 | Energy-saving lithium battery production environment processing system |
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| CN113654123A (en) * | 2020-04-29 | 2021-11-16 | 北京航空航天大学 | Low-temperature regeneration heat and humidity independent treatment air conditioning system driven by two-stage compression heat pump |
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| CN216320941U (en) * | 2021-11-05 | 2022-04-19 | 郑州冰之花冷暖设备有限公司 | Heat pump runner dehumidification system for museum |
| CN114719459A (en) * | 2022-03-08 | 2022-07-08 | 东南大学 | Deep dehumidification system driven by cascade heat pump and application |
| CN217929282U (en) * | 2022-07-21 | 2022-11-29 | 南京明盛制冷科技有限公司 | Semi-closed piston type air-cooled compression condensing unit with defrosting function for low-temperature refrigeration house |
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