CN214009419U - Heat pump condensation recycling dehumidification system - Google Patents
Heat pump condensation recycling dehumidification system Download PDFInfo
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- CN214009419U CN214009419U CN202022165964.5U CN202022165964U CN214009419U CN 214009419 U CN214009419 U CN 214009419U CN 202022165964 U CN202022165964 U CN 202022165964U CN 214009419 U CN214009419 U CN 214009419U
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- heat exchanger
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses a heat pump condensation recovery dehumidification system, including first heat exchanger, second heat exchanger and first pipeline, the breathing pipe of compressor follows first heat exchanger absorbs low-temperature gas, and discharge high-temperature gas to the second heat exchanger through the blast pipe, install the expansion valve between first heat exchanger and the second heat exchanger, make compressor, first heat exchanger, expansion valve and second heat exchanger form complete return circuit, first heat exchanger connects in first pipeline one end, and its other end is connected with the cold water coil pipe, still install first water pump on the first pipeline between first heat exchanger and the cold water coil pipe, the cold water that first heat exchanger produced circulates to the cold water coil pipe through first water pump, makes the air cooling and dehumidification; the utility model discloses a large amount of condensation heat recovery that a plurality of heat exchangers and water route pipeline will discharge replaces air conditioner processing unit electrical heating secondary and heaies up, practices thrift a large amount of energy, energy saving and emission reduction.
Description
Technical Field
The utility model relates to a facility equipment energy saving and consumption reduction management technical field, concretely relates to dehumidification system is retrieved in heat pump condensation.
Background
An SMT electronics shop, SMT-Surface Mounted Technology, needs to operate in a specified temperature and humidity environment (40-70% at 18-28 ℃). Therefore, temperature and humidity control is the first major task in the facility and equipment department, and a set of central air conditioning system needs to be installed to control the temperature and humidity range of the workshop site.
Currently, high humidity in summer requires dehumidification of air delivered to the site. The air to be treated is first cooled and dehumidified by passing through a surface air cooler. And then the air is heated by an electric heater, the temperature of the air is raised, the moisture content is kept unchanged, the air in the temperature and humidity range after being treated is sent to the site by a fan, wherein a cold source used for dehumidification of a surface cold section of the air treatment unit is cold water generated by an air-cooled heat pump unit, a condenser generates a large amount of waste heat in the refrigerating working condition of the unit, the waste heat is called as condensation heat, and the discharged condensation heat can reach 1.15-1.3 times of the refrigerating capacity of the unit. Usually, the condensation heat is discharged to the atmosphere through a fan, the air to be treated is cooled through a surface cooling section and then is heated and returned to the temperature through electric heating, a large amount of energy is wasted through cooling and heating, and energy conservation and consumption reduction are not facilitated.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects of the prior art, the utility model provides a dehumidification system is retrieved in heat pump condensation can solve the problem of the extravagant energy.
The technical scheme is as follows: dehumidification system is retrieved in heat pump condensation, including first heat exchanger, second heat exchanger and first pipeline, the breathing pipe of compressor is followed first heat exchanger absorbs low temperature gas, and through the blast pipe to second heat exchanger discharge high temperature gas, install the expansion valve between first heat exchanger and the second heat exchanger, make compressor, first heat exchanger, expansion valve and second heat exchanger form complete return circuit, first heat exchanger is connected first pipeline one end, its other end are connected with the cold water coil pipe, still install first water pump on the first pipeline between first heat exchanger and the cold water coil pipe, the cold water that first heat exchanger produced circulates through first water pump the cold water coil pipe makes air cooling and dehumidification.
Further, the method comprises the following steps:
the air conditioner further comprises a second pipeline, one end of the second pipeline is provided with the second heat exchanger, the other end of the second pipeline is connected with the reheating coil, a second water pump is further arranged on the second pipeline between the second heat exchanger and the reheating coil, and hot water in the second heat exchanger circulates to the reheating coil through the second water pump, so that the temperature of the air subjected to cooling and dehumidification is returned to the set temperature.
Further, the method comprises the following steps:
the compressor, the first heat exchanger, the second heat exchanger and the expansion valve are all arranged in the air-cooled heat pump unit.
Further, the method comprises the following steps:
the cold water coil and the reheating coil are arranged in the air treatment unit.
Further, the method comprises the following steps:
the EC fan is provided with an air outlet, and air with the temperature returned to the set temperature is sent to the site through the air outlet.
Further, the method comprises the following steps:
the expansion valve is a high-precision electronic expansion valve.
Further, the method comprises the following steps:
the air-cooled heat pump unit is a screw-type air-cooled heat pump unit.
Has the advantages that: compared with the prior art, the utility model has the advantages that: the utility model discloses a large amount of condensation heat recovery that a plurality of heat exchangers and water route pipeline will discharge replaces air conditioner processing unit electrical heating secondary and heaies up, practices thrift a large amount of energy, energy saving and emission reduction.
Drawings
FIG. 1 is a general structure diagram of a recycling dehumidification system according to the present invention;
FIG. 2 is a schematic diagram of the interior of the air-cooled heat pump unit of the present invention.
The figure includes: the heat pump system comprises a first heat exchanger 1, a second heat exchanger 2, a first pipeline 3, an expansion valve 4, a cold water coil 5, a first water pump 6, a second pipeline 7, a reheating coil 8, a second water pump 9, a compressor 100, an air-cooled heat pump unit 200, an air handling unit 300, an air outlet 400 and an EC fan 500.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a dehumidification system is retrieved in heat pump condensation, can be applied to summer SMT electron workshop, it includes first heat exchanger 1, second heat exchanger 2 and first pipeline 3, first heat exchanger 1 can produce cold water, second heat exchanger 2 is condensation heat recovery ware, can produce hot water, compressor 100's breathing pipe absorbs low-temperature water from first heat exchanger 1, and through the blast pipe to the 2 high-temperature water that discharge of second heat exchanger, install the expansion valve 4 of adaptable flow change price adjustment system operating mode between first heat exchanger 1 and the second heat exchanger 2, make compressor 100, first heat exchanger 1, expansion valve 4 and second heat exchanger 2 form complete return circuit, the direction is: the compressor is taken as a starting point, the exhaust pipe of the compressor is connected with the second heat exchanger, the second heat exchanger is connected with the expansion valve, the water outlet of the expansion valve is connected with the first heat exchanger, and one outlet of the first heat exchanger is connected with the air suction pipe of the compressor.
In this embodiment, the expansion valve 4 is a high-precision electronic expansion valve, and the high-precision electronic expansion valve has the following application benefits:
the throttling and pressure reduction can be realized: throttling and depressurizing the high-temperature high-pressure liquid refrigerant condensed by the first heat exchanger to obtain a low-temperature low-pressure vapor-liquid mixture which is easy to evaporate, and allowing the vapor-liquid mixture to enter the second heat exchanger for evaporation to absorb external heat;
the flow rate can be adjusted: the expansion valve can automatically adjust the flow of the refrigerant entering the second heat exchanger according to the temperature signal obtained by the temperature sensing bulb or the air box head so as to adapt to the requirement of constantly changing refrigeration load,
a certain degree of superheat can be maintained: the evaporator has a certain superheat degree through the adjustment of flow, the liquid impact and abnormal superheat expansion valve are prevented, the effective utilization of the total volume of the second heat exchanger is guaranteed, the liquid impact caused by the fact that liquid refrigerants enter the compressor is avoided, meanwhile, the superheat degree can be controlled within a certain range, and the abnormal superheat phenomenon is prevented.
First heat exchanger 1 is connected in 3 one ends of first pipeline, and its other end is connected with cold water coil pipe 5, still installs first water pump 6 on the first pipeline 3 between first heat exchanger 1 and the cold water coil pipe 5, and the cold water that first heat exchanger 1 produced circulates to cold water coil pipe 5 through first water pump 6, makes the air cooling and dehumidifies.
The second heat exchanger 2 is installed to 7 one end on the second pipeline, the reheat coil 8 is connected to the other end, still install second water pump 9 on the second pipeline 7 between second heat exchanger 2 and the reheat coil 8, hot water in the second heat exchanger 2 circulates to reheat coil 8 through second water pump 9, makes the air of cooling dehumidification warm back to set temperature to send the scene through air outlet 400 of air handling unit 300, hot water side temperature can be controlled at 1 ℃.
In this embodiment, the air-cooled heat pump unit 200 is a screw-type air-cooled heat pump unit, and when the air-cooled heat pump unit outputs cold water, the cold water enters the cold water coil, so that the air in the air treatment unit 300 is cooled and dehumidified, and the rear air-cooled heat pump unit outputs hot water, and the hot water enters the reheating coil, so that the cooled and dehumidified air is returned to the set temperature and sent to the site, thereby saving energy and avoiding energy waste.
The air handling unit 300 further includes an EC blower 500 which outputs different air volumes according to the surrounding environment by using an EC motor for cooperating with the cold water coil and the reheating coil, and the air handling unit is provided with an air outlet 400, and the air returned to the set temperature is sent to the site through the air outlet 400.
The working principle is as follows:
the compressor works, the air suction pipe absorbs low-temperature gas from the first heat exchanger, high-temperature water and hot water are discharged to the second heat exchanger 2 through the air discharge pipe and return, the high-temperature gas is partially conveyed to the first heat exchanger through the expansion valve, after the high-temperature gas is input into the first heat exchanger, the compressor returns the chilled water, and the generated condensation part, namely a chilled water outlet part, is sent to the cold water coil pipe through the first pipeline, so that the chilled water coil pipe is cooled and dehumidified;
the hot water outlet water passing through the second heat exchanger is sent to a reheating coil pipe through a second pipeline, so that the cooled and dehumidified air is reheated to a set temperature and sent to the site.
The utility model discloses improve very big saving central air conditioning system (dehumidification) huge charges of electricity under the operating mode in summer. The accurate temperature control meets the requirements of temperature and humidity of a workshop, and the annual energy saving is 659408.7KW, the annual saving rate is 64% and the annual saving electricity charge is 428615.6 yuan under the predicted summer dehumidification working condition through measurement and calculation as shown in the following table.
Claims (7)
1. A heat pump condensation, recovery and dehumidification system is characterized by comprising a first heat exchanger (1), a second heat exchanger (2) and a first pipeline (3), wherein an air suction pipe of a compressor (100) absorbs low-temperature gas from the first heat exchanger (1) and discharges high-temperature gas to the second heat exchanger (2) through an air exhaust pipe, an expansion valve (4) is arranged between the first heat exchanger (1) and the second heat exchanger (2) to enable the compressor (100), the first heat exchanger (1), the expansion valve (4) and the second heat exchanger (2) to form a complete loop, the first heat exchanger (1) is connected to one end of the first pipeline (3), the other end of the first heat exchanger is connected with a cold water coil (5), a first water pump (6) is further arranged on the first pipeline (3) between the first heat exchanger (1) and the cold water coil (5), and cold water generated by the first heat exchanger (1) circulates to the cold water coil (5) through the first water pump (6), cooling and dehumidifying the air.
2. The heat pump condensation, recovery and dehumidification system of claim 1, further comprising a second pipeline (7), wherein one end of the second pipeline (7) is provided with the second heat exchanger (2), the other end of the second pipeline is connected with the reheating coil (8), a second water pump (9) is further installed on the second pipeline (7) between the second heat exchanger (2) and the reheating coil (8), and hot water in the second heat exchanger (2) is circulated to the reheating coil (8) through the second water pump (9) to return the temperature of the cooled and dehumidified air to a set temperature.
3. The heat pump condensation recovery dehumidification system of claim 2, wherein the compressor (100), the first heat exchanger (1), the second heat exchanger (2) and the expansion valve (4) are all installed in an air-cooled heat pump unit (200).
4. The heat pump condensate recovery dehumidification system of claim 3, wherein the cold water coil (5) and the reheat coil (8) are disposed in an air handling unit (300).
5. The heat pump condensation recovery dehumidification system according to claim 4, wherein the EC fan (500) is provided with an air outlet (400), and the air warmed to the set temperature is sent to the site through the air outlet (400).
6. The heat pump condensate recovery dehumidification system of claim 1, wherein the expansion valve (4) is a high precision electronic expansion valve.
7. The heat pump condensation recovery dehumidification system of claim 4, wherein the air-cooled heat pump unit (200) is a screw air-cooled heat pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165964.5U CN214009419U (en) | 2020-09-28 | 2020-09-28 | Heat pump condensation recycling dehumidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165964.5U CN214009419U (en) | 2020-09-28 | 2020-09-28 | Heat pump condensation recycling dehumidification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214009419U true CN214009419U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022165964.5U Active CN214009419U (en) | 2020-09-28 | 2020-09-28 | Heat pump condensation recycling dehumidification system |
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| Country | Link |
|---|---|
| CN (1) | CN214009419U (en) |
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2020
- 2020-09-28 CN CN202022165964.5U patent/CN214009419U/en active Active
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