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CN-224230205-U - Energy-saving combined rotary dehumidifier based on heat pump

CN224230205UCN 224230205 UCN224230205 UCN 224230205UCN-224230205-U

Abstract

The utility model discloses a based on energy-saving combination formula rotary dehumidifier of heat pump relates to combination formula rotary dehumidifier field. The utility model discloses a heat pump cycle module: the first port of cross valve is connected to the compressor exit end, the entry of condenser is connected to the second port of cross valve, the export of evaporimeter is connected to the third port, the utility model discloses a set up heat pump cycle module and supercooling control module, utilize the cross valve to realize refrigeration, heating mode automatic switch over, the supercooler accomplishes refrigerant supercooling and air reheat simultaneously, has effectively solved the problem that traditional equipment electrical heating regeneration energy consumption is high, cold and hot dual extravagant, is showing and has promoted the system energy efficiency ratio, adjusts operating parameter in real time through pressure monitoring subassembly simultaneously, ensures the high-efficient steady operation under the different season operating modes.

Inventors

  • Fan Arong
  • WU GUOFENG
  • MIAO XUPENG
  • SUN LEI
  • CAO WENHAI
  • Jiao Erjun

Assignees

  • 南京南冷空调设备有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (8)

  1. 1. The heat pump-based energy-saving combined rotary dehumidifier is characterized by comprising the following systems: The heat pump circulation module comprises a compressor (1), a four-way valve (2), a condenser (3), a gas-liquid separator (17), a ball valve (6), a drying filter (7) and a thermal expansion valve (8), wherein the outlet end of the compressor (1) is connected with the first port of the four-way valve (2), the second port of the four-way valve (2) is connected with the inlet of the condenser (3), the third port is connected with the outlet of the evaporator (12), and the fourth port is connected with the inlet of the gas-liquid separator (17), the outlet end of the condenser (3) is connected with the inlet of a liquid reservoir (5) through a first one-way valve (4), and the outlet end of the liquid reservoir (5) is sequentially connected with the ball valve (6), the drying filter (7) and the inlet of the evaporator (12); The supercooling control module is characterized in that a first electric valve (16) is branched from the outlet end of the liquid storage device (5), the outlet of the first electric valve (16) is connected with the refrigerant inlet of the supercooler (14), the refrigerant outlet of the supercooler (14) is connected with the air suction pipeline of the compressor (1) through a fifth one-way valve (15), and the air side of the supercooler (14) uses the condensation heat of the refrigerant to reheat dehumidified air; The dehumidifying air channel is characterized in that the outlet end of an air inlet filter (23) is connected with the inlet of a blower (24), and the outlet end of the blower (24) is sequentially communicated with the air side of an evaporator (12), the dehumidifying rotating wheel (13) and the air side of a subcooler (14); The regeneration air duct module is characterized in that the outlet end of the regeneration air filter (25) is connected with the inlet of the regeneration heater (26), the regeneration heater (26) adopts an electric heating module or a heat pump waste heat recovery device as a heat source, the outlet end of the regeneration heater (26) is connected with the inlet of the regeneration fan (27), the outlet of the regeneration fan (27) is communicated with the regeneration side of the dehumidifying rotating wheel (13), and the tail end of the regeneration air duct is provided with a second electromagnetic valve (28); The pressure monitoring assembly is characterized in that a low-pressure gauge (18) is arranged in an air suction pipeline of the compressor (1), a high-pressure gauge (21) is arranged in an air discharge pipeline of the compressor (1), a double-pressure controller (20) receives signals of the low-pressure gauge (18) and the high-pressure gauge (21), and a pressure sensor (22) monitors the internal pressure of the liquid storage device (5); The anti-backflow valve bank is characterized in that a second one-way valve (9) is arranged on a pipeline between the outlet of the evaporator (12) and the liquid reservoir (5), a third one-way valve (10) is arranged on a bypass branch of the outlet of the condenser (3), and a fourth one-way valve (11) is arranged on an outlet branch of the subcooler (14); the auxiliary control valve, namely a charging valve (19), is arranged on the low pressure side of the compressor (1).
  2. 2. The heat pump-based energy-saving combined rotary dehumidifier as claimed in claim 1, wherein the outlet end of the thermal expansion valve (8) is divided into two paths, the first path is directly connected with the inlet of the evaporator (12), the second path is connected with the outlet bypass pipeline of the condenser (3) through the third one-way valve (10), and the two paths are connected into the evaporator (12) after being converged.
  3. 3. The heat pump-based energy-saving combined rotary dehumidifier as claimed in claim 1, wherein the regenerative heater (26) is an electric heating pipe or a heat pump waste heat recovery device, and the start-stop state of the regenerative heater is controlled by the double-pressure controller (20) according to the signals of the pressure sensor (22).
  4. 4. The heat pump-based energy-saving combined rotary dehumidifier as set forth in claim 1, wherein the air side of the subcooler (14) is disposed in countercurrent with the subcooler (14) section of the dehumidified air passage, and the degree of subcooling of the refrigerant side thereof is adjusted by the opening of the first electrically operated valve (16).
  5. 5. The heat pump-based energy-saving combined rotary dehumidifier according to claim 1, wherein the four-way valve (2) is used for conducting a pipeline from an outlet of the compressor (1) to an inlet of the condenser (3) in a refrigerating mode, and conducting a pipeline from the outlet of the compressor (1) to an inlet of the evaporator (12) in a heating mode.
  6. 6. The heat pump-based energy-saving combined rotary dehumidifier according to claim 1, wherein the rotating speeds of the blower (24) and the regeneration fan (27) are synchronously regulated by PWM signals output by the double-pressure controller (20).
  7. 7. The heat pump-based energy-saving combined rotary dehumidifier according to claim 1, wherein the second electromagnetic valve (28) is a normally closed electromagnetic valve, and the opening threshold value of the second electromagnetic valve is set according to the humidity saturation of the dehumidifying rotary wheel (13).
  8. 8. The heat pump-based energy-saving combined rotary dehumidifier of claim 1, wherein the pressure sensor (22) is connected with the double-pressure controller (20) in a signal manner, monitors the pressure change of the liquid reservoir (5) in real time, and adjusts the opening of the first electric valve (16) and the power of the regenerative heater (26) in a linkage manner according to the pressure data, so that the regenerative efficiency of the dehumidifying rotary wheel (13) is dynamically matched with the heat pump circulating load.

Description

Energy-saving combined rotary dehumidifier based on heat pump Technical Field The utility model relates to the field of combined rotary dehumidifier, in particular to an energy-saving combined rotary dehumidifier based on a heat pump. Background The combined rotary dehumidifier is an air conditioning device which realizes high-efficiency dehumidification through rotary adsorption and regeneration technology, integrates various air treatment functions such as filtration, cooling, heating and the like, and is suitable for industries, businesses and special places with strict requirements on humidity, cleanliness and temperature; However, the current combined rotary dehumidifier usually realizes humidity control through rotary adsorption and regeneration circulation, but in the use process, the regeneration link relies on high-energy consumption heating, especially the running cost is increased dramatically in a low-temperature high-humidity environment, the low-temperature air needs additional electric reheating to reduce humidity after dehumidification, so that cold and hot dual energy consumption is wasted, the rotary wheel needs continuous running to maintain the dehumidification effect, the adsorption material is frequently regenerated, the service life is shortened, the non-energy consumption ratio is high, the refrigerating system and the regeneration module independently run, the dynamic adjustment of cold and hot sources according to the seasonal requirements is not realized, the overall energy efficiency is low, and the applicability of the equipment in an energy-saving scene is severely limited. Disclosure of utility model Based on the above, the utility model aims to provide an energy-saving combined type rotary dehumidifier based on a heat pump, so as to solve the technical problems of high energy consumption of a regeneration ring, waste of air reheating energy consumption after dehumidification, serious material loss caused by continuous running of a rotary wheel and low overall energy efficiency caused by incapability of being adjusted cooperatively by a refrigerating system and a regeneration module in the traditional combined type rotary dehumidifier. In order to achieve the purpose, the utility model provides the following technical scheme that the energy-saving combined rotary dehumidifier based on the heat pump comprises the following systems: The heat pump circulation module comprises a compressor, a condenser, a gas-liquid separator, a first check valve, a ball valve, a drying filter, a thermal expansion valve, a second port of the four-way valve, a third port of the four-way valve, a fourth port of the four-way valve, a liquid accumulator, a first check valve, a second check valve, a third port of the four-way valve, a fourth port of the four-way valve, a third port of the four-way valve, a fourth port of the four-way valve, a third port of the four-way valve, and a fourth port of the four-way valve, wherein the outlet of the four-way valve is connected with the inlet of the liquid accumulator; The supercooling control module is characterized in that a first electric valve is branched from the outlet end of the liquid storage device, the outlet of the first electric valve is connected with a refrigerant inlet of the supercooler, the refrigerant outlet of the supercooler is connected with an air suction pipeline of the compressor through a fifth one-way valve, and the air side of the supercooler uses the condensation heat of the refrigerant to reheat dehumidified air; The outlet end of the air inlet filter is connected with the inlet of the air blower, and the outlet end of the air blower is sequentially communicated with the air side of the evaporator, the dehumidifying rotating wheel and the air side of the subcooler; the regeneration air duct module is characterized in that the outlet end of the regeneration air filter is connected with the inlet of a regeneration heater, the regeneration heater adopts an electric heating module or a heat pump waste heat recovery device as a heat source, the outlet end of the regeneration heater is connected with the inlet of a regeneration fan, the outlet of the regeneration fan is communicated with the regeneration side of the dehumidification rotating wheel, and the tail end of the regeneration air duct is provided with a second electromagnetic valve; The pressure monitoring assembly is characterized in that a low-pressure gauge is arranged in an air suction pipeline of the compressor, a high-pressure gauge is arranged in an air exhaust pipeline of the compressor, a double-pressure controller receives signals of the low-pressure gauge and the high-pressure gauge, and a pressure sensor monitors the internal pressure of the liquid reservoir; The second check valve is arranged on a pipeline between the evaporator outlet and the liquid reservoir, the third check valve is arranged on a bypass branch of the condenser outlet, and the fourth check valve is