CN114279014B - Integrated air treatment unit - Google Patents
Integrated air treatment unit Download PDFInfo
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- CN114279014B CN114279014B CN202111622314.1A CN202111622314A CN114279014B CN 114279014 B CN114279014 B CN 114279014B CN 202111622314 A CN202111622314 A CN 202111622314A CN 114279014 B CN114279014 B CN 114279014B
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- shell
- heat exchanger
- air
- tube heat
- surface cooler
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- 238000001816 cooling Methods 0.000 claims abstract description 41
- 238000007791 dehumidification Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- 239000000498 cooling water Substances 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of intelligent environments, and particularly relates to an integrated air treatment unit which comprises a cooling unit and a dehumidifying temperature-regulating unit, wherein the dehumidifying temperature-regulating unit comprises a first shell-and-tube heat exchanger, a first compressor, a first surface cooler and a second surface cooler, and the cooling unit comprises a second compressor, a second shell-and-tube heat exchanger and a third shell-and-tube heat exchanger. The integrated air treatment unit can meet the requirements of cooling dehumidification and heating dehumidification, and simultaneously realizes that heat generated by refrigeration is required to be transferred in a tunnel for recycling.
Description
Technical Field
The invention belongs to the technical field of intelligent environments, and particularly relates to an integrated air treatment unit.
Background
The tunnel/cave environment is a common scenario for military, combat readiness, and civil defence. The common tunnel has the characteristics of high humidity and constant temperature throughout the year. The tunnel/cave for dividing the area and configuring the equipment and the personnel also has the characteristics that the equipment of partial areas is dense, the equipment of partial areas is less because a large amount of equipment and personnel produce high heat and has the characteristics of high temperature and high humidity, and the equipment of partial areas is less, the temperature is below the comfort temperature and has the characteristics of high humidity and low temperature throughout the year. In order to ensure the normal operation of equipment in all areas in the tunnel, personnel can be placed in a comfort space, and the tunnel/cave environment has the requirements of simultaneously cooling, dehumidifying and heating, dehumidifying.
Furthermore, concealment is one of the factors that must be considered, whether for military use, combat readiness, or civil defence. The conventional cooling mode of the outdoor units, namely selecting an air cooling module, needs to dissipate heat in an open space, and the outdoor units are difficult to conceal outdoors and are exposed to temperature detection equipment, so that the outdoor units are not suitable for tunnel/cave scenes. Furthermore, due to the reserved size limitations of the tunnel/cave environment, the size of the refrigeration system and the air handling system must meet the limitations of the tunnel headspace. Therefore, the air treatment system applied to the tunnel/cave environment is not difficult to see, and mainly has the following points that 1, the air treatment system has the requirements of cooling, dehumidifying and heating, dehumidifying, 2, heat generated by refrigeration needs to be transferred in the tunnel, and 3, the equipment size is limited. There are no products currently available on the market that meet these three requirements simultaneously.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an integrated air treatment unit which can meet the requirements of cooling dehumidification and heating dehumidification, can realize the transfer of heat generated by refrigeration in a tunnel and can realize recycling.
In order to achieve the aim, the invention adopts the following technical scheme that the integrated air treatment unit comprises a cooling unit and a dehumidifying and temperature regulating unit;
The dehumidification temperature-regulating unit comprises a first shell-and-tube heat exchanger, a first compressor, a first surface air cooler and a second surface air cooler, wherein the first compressor, the first shell-and-tube heat exchanger and the first surface air cooler are connected end to form a refrigerant loop, a water inlet of the first shell-and-tube heat exchanger is connected to a water reservoir through a water pump, a water outlet of the first shell-and-tube heat exchanger is connected to a water inlet of the second surface air cooler, and a water outlet of the second surface air cooler is connected to the water reservoir;
The cooling unit comprises a second compressor, a second shell-and-tube heat exchanger and a third shell-and-tube heat exchanger, wherein the second compressor, the second shell-and-tube heat exchanger and the third shell-and-tube heat exchanger are connected end to form a refrigerant loop, a water outlet of the second shell-and-tube heat exchanger is connected to a water inlet of an inter-equipment cooling water pipe through a water pump, a water inlet of the second shell-and-tube heat exchanger is connected to a water outlet of the inter-equipment cooling water pipe, a water inlet of the third shell-and-tube heat exchanger is connected to a reservoir through a water pump, and a water outlet of the third shell-and-tube heat exchanger is connected to a water inlet of the second surface cooler.
Further, the air handling unit includes the casing, the casing includes left side casing and right side casing, left side casing includes upside casing and downside casing, the cooling unit sets up in right side casing, first compressor with first shell-and-tube heat exchanger arranges in the downside casing, first surface air cooler with the second surface air cooler is arranged in the upside casing.
Further, the air return opening and the air supply opening are respectively arranged at two ends of the upper side shell, the first surface cooler and the second surface cooler are sequentially arranged on an air channel from the air return opening to the air supply opening, and the air supply opening is provided with an air feeder.
Further, a new air port and an air outlet are further formed in the upper side shell, the air outlet is communicated with the air return port and the outside, the new air port is communicated with the outside, and an exhaust fan is arranged on the air outlet.
Further, the air treatment unit further comprises a control unit, wherein the control unit comprises a controller, a cooling control unit and a dehumidifying and temperature-regulating control unit, and the cooling control unit and the dehumidifying and temperature-regulating control unit are respectively and electrically connected with the controller.
Further, the dehumidification temperature regulation control unit comprises a first temperature sensor arranged at the air return port, a second temperature sensor arranged at the rear end of the first surface air cooler, a third temperature sensor arranged at the air supply port, a first electromagnetic valve arranged at the water inlet of the second surface air cooler and the first compressor, wherein the first temperature sensor, the second temperature sensor, the third temperature sensor, the first electromagnetic valve and the first compressor are respectively and electrically connected with the controller.
Further, the cooling control unit comprises a fourth temperature sensor and the second compressor, wherein the fourth temperature sensor and the second compressor are arranged at the water inlet end of the second shell-and-tube heat exchanger, and the fourth temperature sensor and the second compressor are respectively and electrically connected with the controller.
Further, an air filter is arranged on the fresh air port.
Further, the air filter is a plate-type primary filter.
Further, the controller is a PLC controller.
The integrated air treatment unit of the invention reduces the temperature of the refrigerant by utilizing the water in the reservoir according to local conditions, realizes no outdoor unit, ensures the concealment of tunnels/caverns, recycles the water subjected to heat exchange in the dehumidification temperature-regulating unit and the cooling unit, and re-heats the air subjected to temperature reduction/heating dehumidification, thereby providing air with proper temperature for the tunnels/caverns, realizing the transfer and re-use of heat generated by refrigeration in the tunnels, and saving energy and protecting environment.
Drawings
FIG. 1 is a schematic diagram of a functional module structure of the present invention;
FIG. 2 is a front view of the housing;
FIG. 3 is a top view of the housing;
FIG. 4 is a schematic block diagram of a control unit;
in the above figures, the air conditioner comprises a 1-positioner main body, a 101-first shell-and-tube heat exchanger, a 102-first compressor, a 103-first surface cooler, a 104-second surface cooler, a 105-return air inlet, a 106-supply air inlet, a 107-fresh air inlet, a 108-exhaust air outlet, a 109-blower, a 110-exhaust fan, a 111-first electromagnetic valve, a 2-cooling unit, a 201-second compressor, a 202-second shell-and-tube heat exchanger, a 203-third shell-and-tube heat exchanger, a 3-shell, a 301-right-side shell, a 302-upper-side shell and a 303-lower-side shell. .
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the prior art, the tunnel/cave environment has the following requirements that 1, the requirements of cooling, dehumidifying and heating, dehumidifying are met, 2, heat generated by refrigeration is required to be transferred in the tunnel, and 3, the equipment size is limited. There are no products currently available on the market that meet these three requirements simultaneously.
In order to solve the above problems, the present invention provides an integrated air treatment unit, as shown in fig. 1, comprising a dehumidifying tempering unit 1 and a cooling unit 2.
Specifically, as shown in fig. 1, the dehumidification temperature-regulating unit 1 comprises a first shell-and-tube heat exchanger 101, a first compressor 102, a first surface cooler 103 and a second surface cooler 104, wherein the first compressor 102, the first shell-and-tube heat exchanger 101 and the first surface cooler 103 are connected end to form a refrigerant loop, a water inlet of the first shell-and-tube heat exchanger 101 is connected to a water reservoir through a water pump, a water outlet of the first shell-and-tube heat exchanger 101 is connected to a water inlet of the second surface cooler 104, a water outlet of the second surface cooler 104 is connected to the water reservoir, and air in a tunnel/cave sequentially passes through the first surface cooler 103 and the second surface cooler 104 and then is sent out through an air supply port 106 through an air return port 105 of the air handling unit.
The dehumidifying and temperature-regulating unit 1 mainly heats air in an excavation/cave to a proper temperature after rising/lowering temperature and dehumidifying, wherein the first surface cooler 103 is used for rising/lowering temperature and dehumidifying the air in the excavation/cave, and the second surface cooler 104 is used for reheating the air after rising/lowering temperature and dehumidifying. Of the first compressor 102, the first shell-and-tube heat exchanger 101, and the first surface cooler 103 that constitute the refrigerant circuit, the first shell-and-tube heat exchanger 101 corresponds to a condenser in a conventional air conditioning unit, and the first surface cooler 103 corresponds to an evaporator. Different from the conventional air cooling heat exchange mode, the invention adopts the heat exchange between the water in the gallery/cave reservoir and the refrigerant according to local conditions, the water in the reservoir is heated after passing through the first shell-and-tube heat exchanger 101 and enters the second surface cooler 104, and then the air after the temperature and humidity increase/decrease in the gallery/cave is reheated, so that heat transfer and recycling are realized.
Specifically, as shown in fig. 1, the cooling unit 2 includes a second compressor 201, a second shell-and-tube heat exchanger 202 and a third shell-and-tube heat exchanger 203, where the second compressor 201, the second shell-and-tube heat exchanger 202 and the third shell-and-tube heat exchanger 203 are connected end to form a refrigerant loop, a water outlet of the second shell-and-tube heat exchanger 202 is connected to a water inlet of an inter-device cooling water pipe through a water pump, a water inlet of the second shell-and-tube heat exchanger 202 is connected to a water outlet of the inter-device cooling water pipe, a water inlet of the third shell-and-tube heat exchanger 203 is connected to a reservoir through a water pump, and a water outlet of the third shell-and-tube heat exchanger 203 is connected to a water inlet of the second surface cooler 104.
The cooling unit 2 is mainly used for cooling equipment with a large number of equipment and personnel gathered in tunnels/caverns by water cooling, and mainly used for providing cooling water with the temperature of 7-12 ℃ for the equipment. Among the second compressor 201, the second shell-and-tube heat exchanger 202 and the third shell-and-tube heat exchanger 203 which form the refrigerant loop, the second shell-and-tube heat exchanger 202 is equivalent to an evaporator in a conventional air conditioning unit and is used for providing cooling water of 7-12 ℃ for equipment, the third shell-and-tube heat exchanger 203 is equivalent to a condenser in the conventional air conditioning unit, and the same as the first shell-and-tube heat exchanger 101 in the dehumidification tempering unit 1, heat exchange is carried out through water in a reservoir, the water after heat exchange enters the second surface cooler 104 and heats dehumidified air, so that heat recycling is realized.
According to the integrated air treatment unit, firstly, the air treatment unit is suitable for local conditions, the water in the reservoir is used for cooling the refrigerant, so that no outdoor unit is realized, and the concealment of tunnels/caverns is ensured; and then the water subjected to heat exchange in the dehumidification temperature-regulating unit 1 and the cooling unit 2 is recycled, the air subjected to temperature rise/reduction and dehumidification is reheated, and air with proper temperature is provided for the tunnels/caverns, so that the heat generated by refrigeration is required to be transferred and recycled in the tunnels, and the energy conservation and the environment friendliness are realized.
Due to the limitation of the tunnel/cave size, the dehumidifying and temperature-adjusting unit 1 and the cooling unit 2 are assembled together and then are arranged in the housing 3, as shown in fig. 2, the air-treating unit comprises the housing 3, the housing 3 comprises a left side housing and a right side housing 301, the left side housing comprises an upper side housing 302 and a lower side housing 303, a partition plate is arranged in the housing 3, and the interior of the housing 3 is divided into separate spaces, namely the right side housing 301, the upper side housing 302 and the lower side housing 303 of the left side housing. Wherein the cooling unit 2 is arranged in a right side housing 301, and the dehumidifying tempering unit 1 is arranged in a left side housing, in particular, the first compressor 102 and the first shell-and-tube heat exchanger 101 are located in a lower side housing 303, and the first surface cooler 103 and the second surface cooler 104 are located in an upper side housing 302.
As shown in fig. 2, the return air inlet 105 and the air supply outlet 106 are respectively disposed at two ends of the upper casing 302, and, as shown in fig. 1, the first surface air cooler 103 and the second surface air cooler 104 are sequentially disposed on an air duct from the return air inlet 105 to the air supply outlet 106, and the air supply outlet 106 is provided with the blower 109. The high humidity air in the tunnel/cave enters the air treatment unit through the return air inlet 105, is heated by the second surface cooler 104 after being heated by the first surface cooler 103 and is sent into the tunnel/cave through the air supply outlet.
Further, as shown in fig. 2, the upper shell 302 is further provided with a fresh air port 107 and an air outlet 108, and in combination with fig. 1, the air outlet 108 is communicated with the air return port and the outside for discharging part of dirty air in the tunnel/cave, the fresh air port 107 is communicated with the outside for introducing the outside fresh air into the tunnel/cave, in order to ensure the cleanliness of entering the tunnel/cave, the fresh air port 107 is provided with an air filter, optionally a plate-type primary filter, and the air outlet 108 is provided with an air exhauster 110.
In order to realize automatic control, the air treatment unit further comprises a control unit, wherein the control unit comprises a controller, a cooling control unit and a dehumidifying and temperature-regulating control unit, and particularly, the controller adopts a PLC (programmable logic controller), and the cooling control unit and the dehumidifying and temperature-regulating control unit are respectively and electrically connected with the controller.
Specifically, the dehumidification and temperature adjustment control unit comprises a first temperature sensor arranged at a return air inlet 105 and used for measuring the temperature of return air in a tunnel/cave, a second temperature sensor arranged at the rear end of the first surface cooler 103 and used for measuring the temperature of air after being dehumidified by rising/falling, wherein the front and the rear of the first surface cooler 103 are in terms of the flowing direction of the air, the front end of the first surface cooler 103 is called as the rear end of the first surface cooler 103 before entering the first surface cooler 103, the rear end of the first surface cooler 103 passes through the first surface cooler 103, a third temperature sensor arranged at an air supply outlet 106 and used for measuring the temperature of air heated by the second surface cooler 104, a first electromagnetic valve arranged at the water inlet of the second surface cooler 104, the first electromagnetic valve 111 is used for adjusting the speed of water flow entering the second surface cooler 104, and a first compressor 102, the first compressor 102 is at least provided with one first shell-and-tube heat exchanger 101, correspondingly, a first temperature sensor, a second temperature sensor and a first electromagnetic valve are also provided with the first shell-and-tube heat exchanger 101, and the first electromagnetic valve are respectively connected with the first temperature sensor and the first electromagnetic valve. The controller collects the temperatures of the air at different positions through the first temperature sensor, the second temperature sensor and the third temperature sensor, and then the controller can keep the proper temperature in the tunnel/cave by adjusting the speed of the water flow entering the second surface cooler 104 and controlling the working number of the first compressors 102.
Specifically, the cooling control unit includes a fourth temperature sensor disposed at the water inlet end of the second shell-and-tube heat exchanger 202, for measuring the temperature of the backwater from the cooling water pipe between the devices, and evaluating whether the supplied cooling water can meet the cooling requirement between the devices, and the second compressor 201, where at least one second compressor 201 is disposed, and in the embodiment shown in fig. 1,2 first compressors 102 are disposed, and the fourth temperature sensor and the second compressor 201 are electrically connected to the controller, respectively. The cooling control unit is used for cooling the equipment in the equipment room by collecting the temperature of the backwater of the cooling water pipe between the equipment and controlling the working number of the first compressors 102 so as to keep the proper temperature between the equipment.
Through setting up the automatically regulated of PLC controller, satisfied the demand of air handling unit to the interior air lift/cooling dehumidification of gallery/cave to and the demand of cooling down between equipment to integrated setting has satisfied the demand of gallery/cave to the size, satisfies the demand of gallery/cave scene.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622314.1A CN114279014B (en) | 2021-12-28 | 2021-12-28 | Integrated air treatment unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622314.1A CN114279014B (en) | 2021-12-28 | 2021-12-28 | Integrated air treatment unit |
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| Publication Number | Publication Date |
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| CN114279014A CN114279014A (en) | 2022-04-05 |
| CN114279014B true CN114279014B (en) | 2024-12-17 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216769654U (en) * | 2021-12-28 | 2022-06-17 | 青岛迈帝瑞生态环境科技有限公司 | Integrated form air treatment unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101186152B1 (en) * | 2010-08-16 | 2012-10-02 | (주)가교테크 | A thermo-hygrostat using cooling/dehumidifying energy recovery technology |
| CN207962954U (en) * | 2018-02-05 | 2018-10-12 | 厦门华旸建筑工程设计有限公司 | A kind of Complex-cooling pump type heat integral air conditioner unit |
| CN110230858B (en) * | 2019-06-10 | 2021-08-17 | 西安航天神舟建筑设计院有限公司 | Pit temperature control system and pit structure system |
| CN211233135U (en) * | 2019-10-23 | 2020-08-11 | 陈丽君 | Air treatment unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN216769654U (en) * | 2021-12-28 | 2022-06-17 | 青岛迈帝瑞生态环境科技有限公司 | Integrated form air treatment unit |
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Effective date of registration: 20231228 Address after: 266000 in Haier Industrial Park, No. 1, Haier Road, Laoshan District, Qingdao, Shandong Province Applicant after: Qingdao maidirui Ecological Environment Technology Co.,Ltd. Address before: 266000 in Haier Industrial Park, No. 1, Haier Road, Laoshan District, Qingdao, Shandong Province Applicant before: Qingdao maidirui Ecological Environment Technology Co.,Ltd. Applicant before: Hainayun IOT Technology Co.,Ltd. Applicant before: Qingdao hainayun Intelligent System Co.,Ltd. |
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