CN212720089U - Single-channel fresh air dehumidification air treatment system - Google Patents

Single-channel fresh air dehumidification air treatment system Download PDF

Info

Publication number
CN212720089U
CN212720089U CN202021624860.XU CN202021624860U CN212720089U CN 212720089 U CN212720089 U CN 212720089U CN 202021624860 U CN202021624860 U CN 202021624860U CN 212720089 U CN212720089 U CN 212720089U
Authority
CN
China
Prior art keywords
assembly
air
way valve
dehumidification
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021624860.XU
Other languages
Chinese (zh)
Inventor
葛美才
钱亚峰
顾志军
周星宇
顾金金
曾海贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG HUAXIN AIR CONDITIONER CO Ltd
Original Assignee
NANTONG HUAXIN AIR CONDITIONER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANTONG HUAXIN AIR CONDITIONER CO Ltd filed Critical NANTONG HUAXIN AIR CONDITIONER CO Ltd
Priority to CN202021624860.XU priority Critical patent/CN212720089U/en
Application granted granted Critical
Publication of CN212720089U publication Critical patent/CN212720089U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A single channel fresh air dehumidified air handling system comprising: compression subassembly, condensation subassembly, heat exchange assemblies and first multi-way valve connect the circulation circuit of constituteing, single channel new trend dehumidification air treatment system still includes: the second multi-way valve is arranged on a pipeline between the first multi-way valve and the condensing assembly, communicated with the compressing assembly and used for controlling the flow direction of a refrigerant output by the compressing assembly; the dehumidification assembly comprises a reheating coil, an input pipe and an output pipe, wherein the input pipe and the output pipe are connected with the reheating coil; the input pipe is connected between the first multi-way valve and the second multi-way valve, and the output pipe is connected to the input end of the heat exchange assembly. Above-mentioned single channel new trend dehumidification air handling system need dehumidify through condensation component exhaust heat when utilizing the refrigeration in the refrigeration process, need not additionally to increase dehydrating unit and energy consumption, has realized effectively practicing thrift the energy consumption when satisfying indoor temperature humidity control.

Description

Single-channel fresh air dehumidification air treatment system
Technical Field
The application relates to the technical field of air conditioners, in particular to a single-channel fresh air dehumidification air treatment system.
Background
The conventional air conditioner is basically an outdoor unit, an indoor unit split structure or an integrated structure, and is specially used for providing cooling and heating functions. With the high pressure of the subtropical zone, the influence of greenhouse climate effect, the warming of world climate has become a non-competitive fact. In addition to warming of the climate, the humidity in the air in southern areas is high, especially in rainy season. And with the appearance of high-rise buildings, villas, seascape houses, landscape houses and river houses, the dehumidification of basements and bottom-layer houses is particularly important. The selection of air conditioners or fresh air equipment with a dehumidification function is the current choice of people. Especially, the requirement of new crown epidemic situation on air quality also urgently needs an energy-saving and high-efficiency dehumidification single-channel fresh air dehumidification air treatment system.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an energy-saving and efficient single-channel fresh air dehumidifying air processing system.
The embodiment of the application provides a single channel new trend dehumidification air handling system, includes: compression subassembly, condensation subassembly, heat exchange assemblies and first multi-way valve connect the circulation circuit of constituteing, single channel new trend dehumidification air treatment system still includes:
the second multi-way valve is arranged on a pipeline between the first multi-way valve and the condensing assembly, communicated with the compressing assembly and used for controlling the flow direction of a refrigerant output by the compressing assembly;
the dehumidification assembly comprises a reheating coil, an input pipe and an output pipe, wherein the input pipe and the output pipe are connected with the reheating coil;
the input pipe is connected between the first multi-way valve and the second multi-way valve, the output pipe is connected to the input end of the heat exchange assembly, the input pipe is used for inputting part of the refrigerant between the compression assembly and the condensation assembly into the reheating coil pipe to heat and dehumidify air, and the refrigerant in the reheating coil pipe is input into the heat exchange assembly through the output pipe to be refrigerated.
Further, in some embodiments of the present application, the dehumidifying component further includes a first throttle valve disposed on the output pipe for controlling a ratio of the refrigerant input into the reheating coil to the refrigerant input into the condensing component.
Further, in some embodiments of the present application, the dehumidification assembly further includes a one-way valve disposed on the output pipe.
Further, in some embodiments of this application, the condensation subassembly includes condenser coil, fan and second choke valve, the condenser coil both ends respectively through the pipeline intercommunication with the second multi-ported valve with heat exchange assemblies, the fan install in condenser coil one side, the second choke valve set up in condenser coil with on the pipeline between the heat exchange assemblies.
Further, in some embodiments of the present application, the heat exchange assembly includes an evaporation coil, a fan and a third throttle valve, the fan is installed on one side of the evaporation coil, and the third throttle valve is disposed on the second throttle valve and the pipeline between the evaporation coil.
Further, in some embodiments of the present application, the reheating coil is disposed on one side of the evaporating coil along the air outlet direction of the fan.
Further, in some embodiments of the present application, the first multi-way valve is a four-way valve, two ends of the four-way valve are communicated with a pipeline between the compression assembly and the condensation assembly, and the other two ends of the four-way valve are respectively communicated with the compression assembly and the heat exchange assembly.
Further, in some embodiments of the present application, the single-channel fresh air dehumidifying air processing system further includes a gas-liquid separator, and the gas-liquid separator is disposed on the pipeline between the heat exchanging assembly and the compressing assembly.
Further, in some embodiments of this application, single channel new trend dehumidification air treatment system still includes filter assembly, filter assembly is including the primary filter piece that sets gradually, sub-high efficiency filter piece and PM2.5 filter piece for filter the air of single channel new trend dehumidification air treatment system air outlet.
Further, in some embodiments of the present application, the single-channel fresh air dehumidifying air processing system further includes a germicidal lamp for sterilizing air.
In the single-channel fresh air dehumidifying air processing system, the input pipe is used for intercepting part of the refrigerant between the compression assembly and the condensation assembly, and inputting the refrigerant into the reheating coil pipe to heat air, and the refrigerant in the reheating coil pipe is input into the heat exchange assembly through the output pipe to be refrigerated, so that the single-channel fresh air dehumidifying air processing system can synchronously dehumidify during refrigeration. The heat exhausted by the condensation assembly is required to be dehumidified when refrigeration is utilized, a dehumidifying device and energy consumption are not required to be additionally increased, and the energy consumption is effectively saved while the indoor temperature and humidity regulation is met.
Drawings
Fig. 1 is a schematic structural diagram of a single-channel fresh air dehumidifying air processing system according to an embodiment of the present application.
Description of the main elements
Figure BDA0002622290160000031
Figure BDA0002622290160000041
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The embodiment of the application provides a single channel new trend dehumidification air handling system, includes: compression subassembly, condensation subassembly, heat exchange assemblies and first multi-way valve connect the circulation circuit of constituteing, single channel new trend dehumidification air treatment system still includes: the second multi-way valve is arranged on a pipeline between the first multi-way valve and the condensing assembly, communicated with the compressing assembly and used for controlling the flow direction of a refrigerant output by the compressing assembly; the dehumidification assembly comprises a reheating coil, an input pipe and an output pipe, wherein the input pipe and the output pipe are connected with the reheating coil; the input pipe is connected between the first multi-way valve and the second multi-way valve, the output pipe is connected to the input end of the heat exchange assembly, the input pipe is used for inputting part of the refrigerant between the compression assembly and the condensation assembly into the reheating coil pipe to heat and dehumidify air, and the refrigerant in the reheating coil pipe is input into the heat exchange assembly through the output pipe to be refrigerated.
In the single-channel fresh air dehumidifying air processing system, the input pipe is used for intercepting part of the refrigerant between the compression assembly and the condensation assembly, and inputting the refrigerant into the reheating coil pipe to heat air, and the refrigerant in the reheating coil pipe is input into the heat exchange assembly through the output pipe to be refrigerated, so that the single-channel fresh air dehumidifying air processing system can synchronously dehumidify during refrigeration. The heat exhausted by the condensation assembly is required to be dehumidified when refrigeration is utilized, a dehumidifying device and energy consumption are not required to be additionally increased, and the energy consumption is effectively saved while the indoor temperature and humidity regulation is met.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a single-channel fresh air dehumidifying air processing system 100 includes a circulation loop formed by a compression component 10, a condensation component 20, a heat exchange component 30 and a first multi-way valve 40. The compression assembly 10 is used for compressing a refrigerant to form a high-temperature and high-pressure gas refrigerant and transmitting the gas refrigerant to the condensation assembly 20; the condensing assembly 20 is used for cooling a high-temperature high-pressure gas refrigerant, releasing heat, liquefying the gas refrigerant to form a low-temperature low-pressure liquid refrigerant, and inputting the low-temperature low-pressure liquid refrigerant to the heat exchange assembly 30; the liquid refrigerant input into the heat exchange assembly 30 absorbs heat in the air and is continuously evaporated to become a low-temperature and low-pressure gas refrigerant, and then the gas refrigerant is input into the compression assembly 10 to perform the next cycle. The single-channel fresh air dehumidifying air processing system 100 further comprises a second multi-way valve 50 and a dehumidifying component 60, and the dehumidifying component 60 dehumidifies the air by utilizing the exhaust heat of the condensing component 20, so that the energy consumption is effectively saved while the indoor temperature and humidity regulation is met. It is understood that the single-pass fresh air dehumidifying air processing system 100 may also be an air processing device such as an air conditioner.
In one embodiment, the compression assembly 10 includes a compressor and an oil separator. The compressor is used for compressing a refrigerant. The oil separator is connected with the compressor and used for separating lubricating oil in high-pressure gas discharged by the compressor so as to ensure that the device can safely and efficiently operate.
The condensing assembly 20 includes a condensing coil 21, a fan and a second throttle 22, and the condensing coil 21 is used for heat exchange and cooling of a high-temperature and high-pressure gas refrigerant. The fan is installed on one side of the condensing coil 21 and used for dissipating heat of the refrigerant in the condensing coil 21. In this process, the high-temperature and high-pressure gas refrigerant is gradually condensed into a high-pressure liquid refrigerant. The second throttle 22 is disposed on a pipeline between the condensing coil 21 and the heat exchange assembly 30, and is configured to reduce the temperature and pressure of the high-pressure liquid refrigerant, so that the high-pressure liquid refrigerant is changed into a low-temperature and low-pressure liquid refrigerant. In one embodiment, the fan is a variable frequency fan, which is more energy-saving than a common fan. In one embodiment, the second throttle 22 is an electronic expansion valve to control the flow rate of the refrigerant.
The heat exchange assembly 30 includes an evaporator coil 31, a fan and a third throttle valve 32. The liquid refrigerant input into the evaporation coil 31 absorbs heat in the air and is continuously evaporated into a low-temperature and low-pressure gas refrigerant. The fan is installed on one side of the evaporation coil 31 and used for inputting cold air into a room to realize a refrigeration effect. The third throttle valve 32 is disposed on a pipeline between the second throttle valve 22 and the evaporation coil 31, and is configured to control a flow rate of the liquid refrigerant input to the evaporation coil 31. In one embodiment, the third throttle 32 is an electronic expansion valve.
In an embodiment, the first multi-way valve 40 is a four-way valve, two ends of the first multi-way valve 40 are communicated with a pipeline between the compression assembly 10 and the condensation assembly 20, and the other two ends are respectively communicated with the compression assembly 10 and the heat exchange assembly 30. The first multi-way valve 40 is used for controlling the single-channel fresh air dehumidifying air processing system 100 to refrigerate or heat, and specifically, when the single-channel fresh air dehumidifying air processing system 100 refrigerates, refrigerants in pipelines circulate according to the sequence. When the single-channel fresh air dehumidifying air processing system 100 heats, the flow direction of the refrigerant in the pipeline is opposite to that of the refrigerant in the pipeline during refrigeration, at this time, the heat exchange assembly 30 is used as a condensing assembly, and the condensing assembly 20 is used as a heat exchange assembly.
The second multi-way valve 50 is disposed on a pipeline between the first multi-way valve 40 and the condensing assembly 20, and is configured to control opening or closing of the pipeline between the compressing assembly 10 and the condensing assembly 20, so as to control whether a refrigerant compressed by the compressing assembly 10 is input to the condensing assembly 20. The second multi-way valve 50 is further communicated with the compression assembly 10, and at this time, the high-pressure refrigerant directly flows into the compression assembly 10, so that the high-pressure refrigerant is prevented from damaging the pipeline through pressure relief.
The dehumidifying unit 60 includes a reheating coil 61, and an input pipe 62 and an output pipe 63 connected to both ends of the reheating coil 61. The reheating coil 61 is provided on the side of the evaporating coil 31 in the fan air-out direction. The input pipe 62 is communicated with a pipeline between the first multi-way valve 40 and the second multi-way valve 50, and the output pipe 63 is communicated with an input end of the heat exchange assembly 30. The input pipe 62 is configured to intercept a part of the high-temperature and high-pressure gas refrigerant between the compression component 10 and the condensation component 20, and input the part of the high-temperature and high-pressure gas refrigerant into the reheating coil 61 to heat air, so as to synchronously dehumidify the air when the single-channel fresh air dehumidifying air processing system 100 is refrigerating, and the refrigerant in the reheating coil 61 is input into the evaporation coil 31 through the output pipe 63 to refrigerate.
In one embodiment, the dehumidifying assembly 60 further comprises a first throttle valve 64, and the first throttle valve 64 is disposed on the output pipe 63. The first throttle valve 64 controls the flow rates of the refrigerants in the input pipe 62 and the output pipe 63 according to the indoor temperature ratio, so as to control the ratio of the refrigerant input into the reheating coil 61 to the refrigerant input into the condensing assembly 20. In one embodiment, the first throttle 64 is an electronic expansion valve. The dehumidifying assembly 60 further includes a check valve 65, and the check valve 65 is disposed on the output pipe 63 for preventing the refrigerant from flowing back. It is understood that, in other embodiments, the first throttle 64 is disposed on the input pipe 62 and controls the flow rates of the refrigerants in the input pipe 62 and the output pipe 63 according to the indoor temperature ratio.
The dehumidification assembly 60 dehumidifies waste heat generated by the single-channel fresh air dehumidification air processing system 100 during refrigeration without additionally increasing a dehumidification device and energy consumption, so that the energy consumption is effectively saved while the indoor temperature and humidity regulation is met.
In an embodiment, the single-channel fresh air dehumidifying air processing system 100 further includes a gas-liquid separator, and the gas-liquid separator is disposed on a pipeline between the heat exchanging assembly 30 and the compressing assembly 10, and is configured to absorb a liquid refrigerant flowing from the evaporating coil 31 to the compressor, so as to prevent the liquid refrigerant from damaging the compressor.
In an embodiment, single channel new trend dehumidification air handling system 100 is still including installing in filter component in single channel new trend dehumidification air handling system 100, filter component filters piece and PM2.5 including the F4 primary filter piece that sets gradually, the inferior high efficiency of F14 and filters for filter the air of 100 air outlets of single channel new trend dehumidification air handling system.
In one embodiment, the single-channel fresh air dehumidifying air processing system 100 further comprises a disinfection lamp for disinfecting and sterilizing air, so as to improve air quality.
In an embodiment, the single-channel fresh air dehumidifying air processing system 100 further comprises a formaldehyde detecting device, wherein the formaldehyde detecting device is used for detecting the formaldehyde content in the air, and when the formaldehyde content exceeds the standard, the single-channel fresh air dehumidifying air processing system 100 is used for ventilating and filtering.
In an embodiment, the single-channel fresh air dehumidifying air processing system 100 further comprises a wet film humidifying device, wherein the wet film humidifying device is used for humidifying air, so that indoor air drying is avoided, and the comfort level of a human body is increased.
In the single-channel fresh air dehumidifying air processing system 100, in the refrigerating process, the first throttle valve 64 controls the flow rates of the refrigerants in the input pipe 62 and the output pipe 63 according to the indoor temperature and humidity ratio so as to control the ratio of the refrigerant input into the reheating coil 61 to the refrigerant input into the condensing assembly 20, and further achieve the dual effects of indoor dehumidification and standard air supply temperature.
Specifically, when the indoor humidity is high, the first throttle valve 64 is adjusted to make the ratio of the refrigerant input into the reheating coil 61 larger than the ratio of the refrigerant input into the condensing unit 20. Or the second multi-way valve 50 controls the closing of the pipeline between the compression assembly 10 and the condensation assembly 20, and further controls all the refrigerant compressed by the compression assembly 10 to be input into the reheating coil 61. Thereby realizing the effect of temperature and humidity balance.
When the indoor humidity is low, the first throttle valve 64 is adjusted to make the ratio of the refrigerant input into the reheating coil 61 smaller than the ratio of the refrigerant input into the condensing unit 20. Thereby realizing the effect of temperature and humidity balance.
When the indoor humidity is equalized, the first throttle valve 64 is adjusted to make the ratio of the refrigerant input into the reheating coil 61 equal to the ratio of the refrigerant input into the condensing unit 20. Thereby realizing the effect of temperature and humidity balance.
Above-mentioned single channel new trend dehumidification air treatment system 100 dehumidifies through the used heat when utilizing the refrigeration in-process, need not additionally to increase dehydrating unit and energy consumption, has realized effectively practicing thrift the energy consumption when satisfying indoor temperature humidity control. In the refrigerating process of the single-channel fresh air dehumidifying air processing system 100, the first throttle valve 64 controls the flow of the refrigerant according to the indoor temperature and humidity proportion so as to achieve the dual effects of indoor dehumidification and standard air supply temperature.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications of the above embodiments are within the scope of the disclosure claimed in the present application as long as they are within the spirit and scope of the present application.

Claims (10)

1. A single channel fresh air dehumidified air handling system comprising: compression subassembly, condensation subassembly, heat exchange assemblies and first multi-way valve connect the circulation circuit of constituteing, its characterized in that: the single-channel fresh air dehumidifying air processing system further comprises:
the second multi-way valve is arranged on a pipeline between the first multi-way valve and the condensing assembly, communicated with the compressing assembly and used for controlling the flow direction of a refrigerant output by the compressing assembly;
the dehumidification assembly comprises a reheating coil, an input pipe and an output pipe, wherein the input pipe and the output pipe are connected with the reheating coil;
the input pipe is connected between the first multi-way valve and the second multi-way valve, the output pipe is connected to the input end of the heat exchange assembly, the input pipe is used for inputting part of the refrigerant between the compression assembly and the condensation assembly into the reheating coil pipe to heat and dehumidify air, and the refrigerant in the reheating coil pipe is input into the heat exchange assembly through the output pipe to be refrigerated.
2. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the dehumidification assembly further comprises a first throttle valve, and the first throttle valve is arranged on the output pipe and used for controlling the proportion of the refrigerant input into the reheating coil pipe to the refrigerant input into the condensation assembly.
3. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the dehumidification subassembly still includes the check valve, the check valve set up in on the output tube.
4. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the condensation assembly comprises a condensation coil, a fan and a second throttling valve, the two ends of the condensation coil are communicated with the second multi-way valve and the heat exchange assembly through pipelines respectively, the fan is installed on one side of the condensation coil, and the second throttling valve is arranged on the pipeline between the condensation coil and the heat exchange assembly.
5. The single channel fresh air dehumidification air treatment system of claim 4, wherein: the heat exchange assembly comprises an evaporation coil, a fan and a third throttle valve, the fan is installed on one side of the evaporation coil, and the third throttle valve is arranged on a pipeline between the second throttle valve and the evaporation coil.
6. The single channel fresh air dehumidification air treatment system of claim 5, wherein: the reheating coil is arranged on one side of the evaporating coil along the air outlet direction of the fan.
7. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the first multi-way valve is a four-way valve, two ends of the first multi-way valve are communicated with a pipeline between the compression assembly and the condensation assembly, and the other two ends of the first multi-way valve are respectively communicated with the compression assembly and the heat exchange assembly.
8. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the single-channel fresh air dehumidifying air processing system further comprises a gas-liquid separator, and the gas-liquid separator is arranged on a pipeline between the heat exchange assembly and the compression assembly.
9. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the single channel new trend dehumidification air processing system still includes filtering component, filtering component filters piece and PM2.5 including the primary filter piece that sets gradually, inferior high efficiency for filter the air of single channel new trend dehumidification air processing system air outlet.
10. The single channel fresh air dehumidification air treatment system of claim 1, wherein: the single-channel fresh air dehumidification air treatment system further comprises a disinfection lamp, and the disinfection lamp is used for carrying out disinfection and sterilization treatment on the air.
CN202021624860.XU 2020-08-07 2020-08-07 Single-channel fresh air dehumidification air treatment system Active CN212720089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021624860.XU CN212720089U (en) 2020-08-07 2020-08-07 Single-channel fresh air dehumidification air treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021624860.XU CN212720089U (en) 2020-08-07 2020-08-07 Single-channel fresh air dehumidification air treatment system

Publications (1)

Publication Number Publication Date
CN212720089U true CN212720089U (en) 2021-03-16

Family

ID=74913840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021624860.XU Active CN212720089U (en) 2020-08-07 2020-08-07 Single-channel fresh air dehumidification air treatment system

Country Status (1)

Country Link
CN (1) CN212720089U (en)

Similar Documents

Publication Publication Date Title
CN109882939B (en) Dual-evaporation fresh air handling unit
CN108679747B (en) Fresh air dehumidifying air conditioning system
WO2016074482A1 (en) Experimental device for hingedly-connected system of passenger car, and control method therefor
CN210832604U (en) Air conditioner
CN112161324B (en) Air conditioner
CN213453884U (en) Two-pipe refrigeration and condensation heat recovery type fresh air heat pump unit
CN114087681A (en) Single-channel fresh air dehumidification air treatment system
KR20230053495A (en) Floor Placement Type Packaged Heat Pump Device with Heat Recovery Ventilation Unit
CN106257157A (en) A kind of domestic air conditioning realizing humiture independent regulation
WO2020244207A1 (en) Air conditioning system
CN213873264U (en) Air conditioning system
JP2006317012A (en) Air conditioner
CN112539488A (en) Capillary tube radiation double-cold-source total-heat fresh air dehumidification air conditioning all-in-one machine set
CN209763409U (en) Fresh air fan capable of adjusting temperature in winter and summer
CN212720089U (en) Single-channel fresh air dehumidification air treatment system
CN106989438B (en) Air conditioning equipment, multi-connected indoor unit system and control method thereof
CN214406241U (en) Constant temperature dehumidification fresh air conditioner
CN215112950U (en) Device integrating refrigeration, heating, dehumidification, fresh air and purification
CN111351150B (en) Heat pump heat recovery type water-wind integrated unit
CN210425368U (en) Fresh air conditioner with double evaporation temperatures
CN209877206U (en) Fresh air dehumidification reheating system
CN108507047B (en) Air conditioning system and control method thereof
CN219454112U (en) Fresh air dehumidifier with double-stage evaporation and double-cold-source adjustment functions
CN219454111U (en) Fresh air dehumidifier with two-stage evaporation adjustment function
CN214332967U (en) Novel dehumidification fresh air machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant