CN111998602A - Solution dehumidifier and control method thereof - Google Patents

Solution dehumidifier and control method thereof Download PDF

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Publication number
CN111998602A
CN111998602A CN202010809057.1A CN202010809057A CN111998602A CN 111998602 A CN111998602 A CN 111998602A CN 202010809057 A CN202010809057 A CN 202010809057A CN 111998602 A CN111998602 A CN 111998602A
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CN
China
Prior art keywords
solution
assembly
air
heater
regeneration
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Pending
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CN202010809057.1A
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Chinese (zh)
Inventor
陈亮亮
刘亭亭
李奇
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Tianjin Sinorefine Air Conditioning Equipment Co ltd
Beijing Sinorefine Air Conditioning Technology Co ltd
Original Assignee
Tianjin Sinorefine Air Conditioning Equipment Co ltd
Beijing Sinorefine Air Conditioning Technology Co ltd
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Application filed by Tianjin Sinorefine Air Conditioning Equipment Co ltd, Beijing Sinorefine Air Conditioning Technology Co ltd filed Critical Tianjin Sinorefine Air Conditioning Equipment Co ltd
Priority to CN202010809057.1A priority Critical patent/CN111998602A/en
Publication of CN111998602A publication Critical patent/CN111998602A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/263—Drying gases or vapours by absorption
    • 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
    • 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
    • F24F3/1417—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 liquid hygroscopic desiccants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
    • 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

Abstract

The invention discloses a solution dehumidifier and a control method thereof. Wherein, the solution dehumidifier includes: the solution regeneration assembly is used for regenerating the first solution in the solution regeneration assembly through the first part of return air from the refrigeration house; the heat recovery assembly is used for at least utilizing the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration assembly; the solution dehumidifying component is used for cooling and dehumidifying the regenerated return air processed by the heat recovery component and the second part of return air from the refrigeration house by using a second solution in the solution dehumidifying component; the heat pump system is used for heating the first solution in the first pipeline and cooling the second solution in the second pipeline; the heat recovery assembly is also used for heating the air dehumidified by the solution dehumidifying assembly; and the fan is used for introducing the air in the refrigeration house into the return air inlets of the solution dehumidifier and sending the air heated by the heat recovery assembly back to the refrigeration house.

Description

Solution dehumidifier and control method thereof
Technical Field
The invention relates to the field of material storage, in particular to a solution dehumidifier and a control method thereof.
Background
Materials such as grains, foods and medicines are generally stored in low-temperature storehouses, for example, resource storehouses for storing agricultural crop seeds for a long time, and are required to be maintained at a temperature of 0-10 ℃ and a humidity of 35%. The temperature and humidity have great influence on the storage quality of the materials, and the air humidity is too high, so that bacteria are easy to breed, and the materials are deteriorated and mildewed. Therefore, the application of dehumidification technology is critical to the proper operation of cryogenic stores.
The currently common dehumidification modes mainly comprise freezing dehumidification, rotary wheel dehumidification and solution dehumidification, wherein the freezing dehumidification is used for condensing and separating out moisture in the air by reducing the air temperature so as to achieve the purpose of dehumidification; the runner dehumidification adopts the solid moisture absorbent to dehumidify the air, the moisture in the humid air is absorbed by the solid moisture absorbent along with the continuous rotation of the runner to form dry air supply, and the regenerated air is discharged after absorbing the moisture in the solid moisture absorbent, so that the continuous dehumidification process is realized; the solution dehumidification is to adopt salt solution (calcium chloride, lithium bromide and the like) with humidity regulation function as a working medium, control the air humidity by utilizing the moisture absorption and release characteristics of the solution, and the driving potential of the moisture transfer between the salt solution and the water vapor partial pressure difference in the air is the driving potential of the salt solution and the water vapor partial pressure difference in the air.
However, the freezing dehumidification is generally applicable to the occasion with the dew point temperature of more than 5 ℃, and the low dew point causes the dehumidification capability to be rapidly reduced due to the fact that the temperature of a cold source is lower than 0 ℃ and frosting occurs, so that the normal operation cannot be carried out, and the refrigeration dehumidification is not suitable for low-temperature storehouse dehumidification; the rotary wheel dehumidification requires a regeneration air channel to cause extra construction, the use of the rotary wheel dehumidification is limited in some closed areas, and in most cases, electricity is used as a regeneration heat source, so that the power distribution power is high, the energy consumption is high, and the operating cost is high; solution dehumidification unit equipment is discharged after regenerating through new trend or return air to solution including dehumidification side and regeneration side, though the energy consumption is lower, but also need set up solitary regeneration wind channel heat extraction, uses and receives the restriction.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a solution dehumidifier and a control method thereof, which at least solve the technical problems of limited application range and higher cost caused by the fact that a dehumidifying scheme in the related art needs to be provided with a separate regeneration air channel.
According to an aspect of an embodiment of the present invention, there is provided a solution dehumidifier including: the solution regeneration assembly is used for regenerating the first solution in the solution regeneration assembly through the first part of return air from the refrigeration house; the heat recovery assembly is used for at least utilizing the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration assembly; the solution dehumidifying component is used for cooling and dehumidifying the regenerated return air processed by the heat recovery component and a second part of return air from the refrigeration house by using a second solution in the solution dehumidifying component; the heat pump system is used for heating the first solution in the first pipeline and cooling the second solution in the second pipeline; the heat recovery assembly is also used for heating the air dehumidified by the solution dehumidifying assembly; and the fan is used for introducing the air in the refrigeration house into the return air inlets of the solution dehumidifier and sending the air heated by the heat recovery assembly back to the refrigeration house.
Optionally, the heat recovery assembly comprises: the cooler is arranged between the solution regeneration component and the solution dehumidification component and is used for at least utilizing the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration component; the heating device is arranged behind the solution dehumidifying component and used for heating the dehumidified air and at least recovering cold energy in the dehumidified air; the refrigerant outlet of the cooler is connected with the refrigerant inlet of the heating device, and the refrigerant inlet of the cooler is connected with the refrigerant outlet of the heating device.
Optionally, the heating device is also used to recover cold from a third portion of return air from the cold store.
Optionally, the heating device comprises: the first heater is arranged behind the solution dehumidifying component and used for heating dehumidified air; the second heater is arranged behind the first heater and used for heating the air heated by the first heater; the refrigerant outlet of the cooler is connected with the refrigerant inlet of the second heater, the refrigerant outlet of the second heater is connected with the refrigerant inlet of the first heater, and the refrigerant outlet of the first heater is connected with the refrigerant inlet of the cooler.
Optionally, the heat recovery assembly further comprises: and the circulating pump is arranged on a pipeline between the refrigerant outlet of the cooler and the refrigerant inlet of the second heater.
Optionally, the heat pump system comprises: the condenser is used for heating the first solution in the first pipeline; and the evaporator is used for cooling the second solution in the second pipeline.
Optionally, the liquid outlet of the solution regeneration assembly is disposed at the bottom of the solution regeneration assembly, and the first liquid inlet of the solution regeneration assembly is disposed at the top of the solution regeneration assembly, wherein the solution regeneration assembly comprises: the regeneration pump is arranged on the first pipeline and used for pumping the first solution positioned at the bottom of the solution regeneration assembly to the top of the solution regeneration assembly; the first liquid distributor is positioned at the top of the solution regeneration assembly and is used for spraying a first solution to the bottom of the solution regeneration assembly; the first filler is positioned below the first liquid distributor, and the first part of return air contacts the first solution in the first filler.
Optionally, the liquid outlet setting of solution dehumidification subassembly is in the bottom of solution dehumidification subassembly, and the first inlet setting of solution dehumidification subassembly is at the top of solution dehumidification subassembly, and wherein, solution dehumidification subassembly includes: the dehumidifying pump is arranged on the second pipeline and used for pumping the second solution positioned at the bottom of the solution dehumidifying component to the top of the solution dehumidifying component; the second liquid distributor is positioned at the top of the solution dehumidifying component and is used for spraying a second solution to the bottom of the solution dehumidifying component; and the second filler is positioned below the second liquid distributor, and the regenerated return air and the second part of return air contact a second solution in the second filler.
Optionally, the solution dehumidifier further comprises: the two ends of a first sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the regeneration pump and the second liquid inlet of the solution dehumidification assembly, the two ends of a second sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the dehumidification pump and the second liquid inlet of the solution regeneration assembly, and the heat exchanger is used for recovering the cold and heat of the solution in the first sub-pipeline and the second sub-pipeline.
Optionally, the heat exchanger comprises: plate heat exchangers or double pipe heat exchangers.
Optionally, the cooler, the first heater and the second heater are fin-coil heat exchangers.
According to another aspect of the embodiments of the present invention, there is also provided a method for controlling a solution dehumidifier, including: introducing air in the cold storage into a plurality of return air inlets of the solution dehumidifier through a fan; regenerating the first solution in the solution regeneration assembly through the first part of return air from the refrigeration house, wherein the liquid outlet of the solution regeneration assembly is connected with the first liquid inlet of the solution regeneration assembly through a first pipeline; the heat recovery component at least utilizes the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration component; the second solution in the solution dehumidifying component is utilized to cool and dehumidify the regenerated return air processed by the heat recovery component and the second part of return air from the refrigeration house, wherein the liquid outlet of the solution dehumidifying component is connected with the first liquid inlet of the solution dehumidifying component through a second pipeline; heating the first solution in the first pipeline through a heat pump system, and cooling the second solution in the second pipeline; the air dehumidified by the solution dehumidifying component is heated by the heat recovery component; and the air heated by the heat recovery assembly is sent back to the refrigeration house by the fan.
Optionally, the cooling and dehumidifying the regenerated return air passing through the solution regeneration assembly by using at least the recovered cold energy in the dehumidified air through the heat recovery assembly comprises: the cooler in the heat recovery assembly at least utilizes the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration assembly; heating the air dehumidified by the solution dehumidifying module by the heat recovery module includes: heating the dehumidified air by a heating device in the heat recovery assembly, and recovering at least cold energy in the dehumidified air; the cooler is arranged between the solution regeneration assembly and the solution dehumidification assembly, the heating device is arranged behind the solution dehumidification assembly, a refrigerant outlet of the cooler is connected with a refrigerant inlet of the heating device, and a refrigerant inlet of the cooler is connected with a refrigerant outlet of the heating device.
Optionally, heating the dehumidified air by a heating device in the heat recovery assembly comprises: heating the dehumidified air by a first heater in the heating device, wherein the first heater is arranged behind the solution dehumidifying component; heating the air heated by the first heater by a second heater in the heating device, wherein the second heater is arranged behind the first heater; the refrigerant outlet of the cooler is connected with the refrigerant inlet of the second heater, the refrigerant outlet of the second heater is connected with the refrigerant inlet of the first heater, and the refrigerant outlet of the first heater is connected with the refrigerant inlet of the cooler.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium, where the storage medium includes a stored program, and when the program runs, the apparatus on which the storage medium is located is controlled to execute the above-mentioned method for controlling a solution dehumidifier.
According to another aspect of the embodiments of the present invention, there is also provided a processor, where the processor is configured to run a program, where the program executes the control method of the solution dehumidifier.
In the embodiment of the invention, the solution dehumidifier comprises a solution regeneration component, a heat recovery component, a solution dehumidification component, a heat pump system and a fan, wherein the solution regeneration component uses the air to be dehumidified to regenerate solution and at least uses the cold energy in the recovered dehumidified air to cool and dehumidify the regenerated return air, the regenerated return air subjected to preliminary cooling and dehumidification is mixed with the other part of return air and then enters the solution dehumidification component for dehumidification, and the dehumidified air is sent into a cold storage after passing through the heat recovery component. Due to the adoption of the self-circulation dehumidification mode, the solution dehumidifier does not need to be provided with a regeneration exhaust duct independently, so that the technical effects of convenience in installation, reduction in energy consumption and cost saving are achieved, and the technical problems of limited application range and high cost caused by the fact that an independent regeneration air channel is required to be arranged in the dehumidification scheme in the related technology are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a solution dehumidifier according to an embodiment of the present invention;
FIG. 2 is a schematic view of an alternative solution dehumidifier according to embodiments of the present invention;
fig. 3 is a flowchart of a method of controlling a solution dehumidifier according to an embodiment of the present invention.
Wherein the drawings include the following reference numerals:
10. a solution regeneration assembly; 11. a first liquid distributor; 12. a first filler; 13. a regenerative pump; 20. a solution dehumidification component; 21. a second liquid distributor; 22. a second filler; 23. a dehumidification pump; 30. a heat recovery assembly; 31. a circulation pump; 32. a cooler; 33. a heating device; 331. a first heater; 332. a second heater; 40. a heat pump system; 41. a condenser; 42. an evaporator; 50. a heat exchanger; 60. a fan; 1. the first part returns air; 2. the second part returns air; 3. the third part returns air.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, a solution dehumidifier is provided.
Fig. 1 is a schematic view of a solution dehumidifier according to an embodiment of the present invention, as shown in fig. 1, the solution dehumidifier including: the solution regeneration assembly 10, the heat recovery assembly 30, the solution dehumidification assembly 20, the heat pump system 40 and the fan 60, wherein a first liquid inlet of the solution regeneration assembly 10 is connected to a liquid outlet of the solution regeneration assembly 10 through a first pipeline, and a second liquid inlet of the solution dehumidification assembly 20 is connected to a liquid outlet of the solution dehumidification assembly 20 through a second pipeline.
The solution regeneration assembly 10 is used for regenerating a first solution in the solution regeneration assembly 10 through a first part of return air 1 from a refrigeration house; the heat recovery assembly 30 is used for cooling and dehumidifying the regenerated return air passing through the solution regeneration assembly by using at least the cold energy in the recovered dehumidified air; the solution dehumidifying component 20 is used for cooling and dehumidifying the regenerated return air processed by the heat recovery component 30 and the second part of return air 2 from the refrigeration house by using a second solution in the solution dehumidifying component 20; the heat pump system 40 is used for heating the first solution in the first pipeline and cooling the second solution in the second pipeline; the heat recovery assembly 30 is also used for heating the air dehumidified by the solution dehumidifying assembly 20; the fan 60 is used for introducing air in the cold storage into a plurality of return air inlets of the solution dehumidifier and sending the air heated by the heat recovery assembly 30 back to the cold storage.
Specifically, the heat of the heat recovery module 30 is from the regenerated return air, and the cold can be from not only the dehumidified air, but also the air in the warehouse, wherein the dehumidified air can be the air obtained through the temperature reduction and dehumidification process of the solution dehumidification module 20. The first solution may be the regeneration solution in the solution regeneration module 10, and the second solution may be the dehumidification solution in the solution dehumidification module 20, but is not limited thereto.
In an alternative embodiment, the solution dehumidifier may adopt a self-circulation initial mode, and a single air channel with a return air inlet and a supply air outlet is provided, so that the power for air circulation in the solution dehumidifier can be provided by a fan, that is, the air to be treated in the refrigeration house can be introduced into each return air inlet of the solution dehumidifier, and then the air is returned to the refrigeration house after treatment. In addition, heat may be provided to the regeneration solution in the solution regeneration module 10 by the heat pump system 40 and cold may be provided to the dehumidification solution in the solution dehumidification module 20. The treatment process is as follows: the solution in the solution regeneration subassembly 10 is regenerated through partial return air at first, then reduces the temperature and dehumidifies the regeneration return air after regenerating through heat recovery subassembly 30, and the regeneration return air after preliminary cooling dehumidification mixes with another part return air after, gets into solution dehumidification subassembly 20 and dehumidifies, and the low temperature air after the dehumidification sends back to indoorly behind heat recovery subassembly 30.
According to the embodiment of the invention, the solution dehumidifier comprises a solution regeneration component, a heat recovery component, a solution dehumidification component, a heat pump system and a fan, the solution regeneration component uses the air to be dehumidified to regenerate the solution and at least uses the cold energy in the dehumidified low-temperature air to cool and dehumidify the regenerated return air, the regenerated return air after primary cooling and dehumidification is mixed with the other part of return air and then enters the solution dehumidification component for dehumidification, and the dehumidified low-temperature air is sent into the refrigeration house after passing through the heat recovery component. Due to the adoption of the self-circulation dehumidification mode, the solution dehumidifier does not need to be provided with a regeneration exhaust duct independently, so that the technical effects of convenience in installation, reduction in energy consumption and cost saving are achieved, and the technical problems of limited application range and high cost caused by the fact that an independent regeneration air channel is required to be arranged in the dehumidification scheme in the related technology are solved.
Alternatively, in the above-described embodiment of the present invention, as shown in fig. 1, the heat recovery assembly 30 includes: the cooling device 32 is arranged between the solution regeneration assembly 10 and the solution dehumidification assembly 20, the heating device 33 is arranged behind the solution dehumidification assembly 20, a refrigerant outlet of the cooling device 32 is connected with a refrigerant inlet of the heating device 33, and a refrigerant inlet of the cooling device 32 is connected with a refrigerant outlet of the heating device 33.
The cooler 32 is used for cooling and dehumidifying the regenerated return air passing through the solution regeneration component 10 by using at least the recovered cold energy in the dehumidified air; the heating device 33 is used to heat the dehumidified air and recover at least the cold energy in the dehumidified air.
Alternatively, the cooler 32 described above may be a finned coil heat exchanger, but is not so limited.
In an alternative embodiment, the regenerated return air passing through the solution regenerating unit 10 can be cooled and dehumidified by the cooler 32, and the mixed air (i.e., the dehumidified air) passing through the solution dehumidifying unit 20 is heated by the heating device 33, so as to recover the cold in the dehumidified air.
Optionally, the heating device is also used to recover cold from a third portion of return air from the cold store.
To ensure the precooling requirements of the cooler 32 on the regenerated return air, the third portion of return air 3 can be supplemented as cooling capacity for the cooler 32 by make-up.
Alternatively, in the above embodiment of the present invention, as shown in fig. 1, the heating device 33 includes: the first heater 331 and the second heater 332, wherein the first heater 331 is disposed behind the solution dehumidifying assembly 20, the second heater 332 is disposed behind the first heater 331, a refrigerant outlet of the cooler 32 is connected to a refrigerant inlet of the second heater 332, a refrigerant outlet of the second heater 332 is connected to a refrigerant inlet of the first heater 331, and a refrigerant outlet of the first heater 331 is connected to a refrigerant inlet of the cooler 32.
Wherein, the cooler 32 is used for heating the dehumidified air; the second heater 332 is used to heat the air heated by the first heater 331.
Alternatively, the first and second heaters 331 and 332 may be fin-coil heat exchangers, but are not limited thereto. The first heater 331 may serve as a primary heat recovery heater, and the second heater 332 may serve as a secondary heat recovery heater.
In an alternative embodiment, the dehumidified mixed air is sequentially heated by the first heater 331 and the second heater 332, wherein the second heater 332 is supplemented with the third portion of return air 3 before serving as cold supplement to meet the precooling requirement of the first portion of return air 1.
Optionally, in the above embodiment of the present invention, as shown in fig. 1, the heat recovery assembly further includes: the circulation pump 31 is provided in a pipe between the refrigerant outlet of the cooler 32 and the refrigerant inlet of the second heater 332. The circulation pump can provide power for circulating the refrigerant among the cooler 32, the first heater 331, and the second heater 332, thereby ensuring continuous exchange of cold and heat.
Alternatively, in the above embodiment of the present invention, as shown in fig. 1, the liquid outlet of the solution regeneration module 10 is disposed at the bottom of the solution regeneration module 10, and the first liquid inlet of the solution regeneration module 10 is disposed at the top of the solution regeneration module 10, where the solution regeneration module 10 includes: the device comprises a regeneration pump 13, a first liquid distributor 11 and a first filler 12, wherein the regeneration pump 13 is arranged on a first pipeline, the first liquid distributor 11 is positioned at the top of the solution regeneration assembly 10, and the first filler 12 is positioned below the first liquid distributor 11.
Wherein, the regeneration pump 13 is used for pumping the first solution at the bottom of the solution regeneration assembly 10 to the top of the solution regeneration assembly 10; the first liquid distributor 11 is used for spraying a first solution to the bottom of the solution regeneration component 10; a first portion of return air 1 contacts the first solution in the first filler 12.
In an alternative embodiment, a first part of return air 1 firstly enters the solution regeneration assembly 10, and the solution at the bottom of the solution regeneration assembly 10 is pumped out by the regeneration pump 13, heated by the condenser and then conveyed to the first liquid distributor 11 for top spraying. The first part of return air 1 is fully contacted with the spraying solution in the first filler 12, and the first solution is concentrated and regenerated to take away the moisture and heat in the first solution.
Optionally, in the above embodiment of the present invention, as shown in fig. 1, the liquid outlet of the solution dehumidifying module 20 is disposed at the bottom of the solution dehumidifying module 20, and the first liquid inlet of the solution dehumidifying module 20 is disposed at the top of the solution dehumidifying module 20, where the solution dehumidifying module 20 includes: the dehumidifying pump 23 is arranged on the second pipeline, the second liquid distributor 21 is positioned at the top of the solution dehumidifying component 20, and the second filler 22 is positioned below the second liquid distributor 21.
Wherein, the dehumidifying pump 23 is used for pumping the second solution at the bottom of the solution dehumidifying component 20 to the top of the solution dehumidifying component 20; the second liquid distributor 21 is used for spraying a second solution to the bottom of the solution dehumidifying component 20; the regenerated return air and a second portion of the return air 2 contact the second solution in the second filler 22.
In an alternative embodiment, the dehumidifying pump 23 pumps out the first solution at the bottom of the solution dehumidifying component 20, the first solution is cooled and cooled by the evaporator and then is conveyed to the second liquid distributor 21 for top spraying, the mixed air is fully contacted with the dehumidifying spraying solution in the filler, the mixed air is cooled and dehumidified, the temperature of the dehumidified mixed air is lower, the mixed air sequentially passes through the first heater 331 and the second heater 332, the heat of the first heater 331 and the second heater 332 is derived from the regenerated return air, and a third part of return air 3 can be supplemented before the heaters to serve as cold supplement to meet the precooling requirement of the first part of return air 1 through the cooler 32.
Alternatively, in the above embodiment of the present invention, as shown in fig. 1, the heat pump system 40 includes: a condenser 41 and an evaporator 42.
The condenser 41 is used for heating the first solution in the first pipeline; the evaporator 42 is used for cooling the second solution in the second pipeline.
In an alternative embodiment, heat may be supplied to the regeneration solution in the solution regeneration assembly 10 via the condenser 41 and refrigeration may be supplied to the dehumidification solution in the solution dehumidification assembly 20 via the evaporator 42.
As shown in fig. 2, the heat pump system 40 may specifically include: condenser 41, evaporator 42, compressor and expansion valve.
Optionally, in the above embodiment of the present invention, as shown in fig. 1, the solution dehumidifier further includes: and two ends of a first sub-pipeline in the heat exchanger 50 are respectively connected with the liquid outlet of the regeneration pump 13 and the second liquid inlet of the solution dehumidifying component 20, and two ends of a second sub-pipeline in the heat exchanger 50 are respectively connected with the liquid outlet of the dehumidifying pump 23 and the second liquid inlet of the solution regenerating component 10.
The heat exchanger 50 is used for recovering cold and heat of the solution in the first sub-pipeline and the second sub-pipeline.
Alternatively, the heat exchanger may be a plate heat exchanger, a double pipe heat exchanger, or the like, but is not limited thereto. The first and second sub-circuits described above may be inter-stage flow circuits for maintaining solution concentration equilibrium.
In an alternative embodiment, to maintain solution concentration equilibrium, an inter-stage flow line (i.e., the first sub-line and the second sub-line described above) may be provided between the solution regeneration assembly 10 and the solution dehumidification assembly 20 via the regeneration pump 13 and the dehumidification pump 23. In order to reduce the loss of cold and heat, a heat exchanger 50 may be provided for the inter-stage flow solution between the solution regeneration module 10 and the solution dehumidification module 20, and the cold and heat of the inter-stage flow solution (i.e., the solution in the first sub-pipeline and the second sub-pipeline) are recovered through the heat exchanger 50, so as to reduce the energy loss.
Referring to fig. 2, a preferred embodiment of the present invention will be described in detail, and as shown in fig. 2, the solution dehumidifier may include a solution regeneration unit 10, a solution dehumidification unit 20, a heat recovery unit 30, a heat pump system 40, a heat exchanger 50, and a fan 60, wherein the heat recovery unit 30 includes a cooler 32 and two-stage heaters (a first heater 331 and a second heater 332, respectively) behind the solution dehumidification unit 20.
Under the drive of the fan 60, the first part of return air 1 firstly enters the solution regeneration assembly 10, the solution at the bottom of the solution regeneration assembly 10 is pumped out by the regeneration pump 13, heated by the condenser 41 in the heat pump system 40 and then conveyed to the top for spraying, the first part of return air 1 and the regeneration spraying solution are fully contacted in the first filler 12, the solution is concentrated and regenerated, the first part of return air 1 which takes away the moisture and heat in the solution is cooled and dehumidified by the cooler 32, and the cold energy of the first part of return air is from the dehumidified low-temperature air and the low-temperature air in the warehouse. The first part of return air 1 and the second part of return air 2 are mixed and then enter the solution dehumidifying component 20, the dehumidifying pump 23 pumps out the solution at the bottom of the solution dehumidifying component 20, the solution is cooled and cooled by the evaporator 42 in the heat pump system 40 and then is conveyed to the top for spraying, the mixed air is fully contacted with the dehumidifying spraying solution in the filler, the mixed air is cooled and dehumidified, the temperature of the dehumidified mixed air is lower, the mixed air sequentially passes through the first heater 331 and the second heater 332, the heat of the heat recovery heater is derived from the regenerated return air, the third part of return air 3 is supplemented in front of the second heater 332, and the third part of return air 3 is supplemented as cold quantity supplement to meet the precooling requirement of the first part of. An inter-stage flow line is provided between the solution regeneration unit 10 and the solution dehumidification unit 20 via the regeneration pump 13 and the dehumidification pump 23 to maintain the solution concentration balance, and a heat exchanger 50 is provided to reduce the loss of cold and heat.
According to the small solution dehumidifying unit for the low-temperature storehouse, provided by the embodiment of the invention, the air to be dehumidified is used for regenerating the solution, the dehumidified low-temperature air and the low-temperature air in the storehouse are used as cold sources for cooling and dehumidifying the regenerated air, independent regeneration and air exhaust are not needed, an air duct connected with the outside is not needed, the installation position is not limited, the installation and the use are convenient, and the running power consumption and the running cost are low.
Example 2
According to an embodiment of the present invention, there is provided a method of controlling a solution dehumidifier, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that described herein.
Fig. 3 is a flowchart of a method for controlling a solution dehumidifier according to an embodiment of the present invention, where the method may be applied to the solution dehumidifier in embodiment 1, and a specific implementation scheme and a preferred embodiment are the same as those in the embodiments, and are not described herein again. As shown in fig. 3, the method comprises the steps of:
step S302, introducing air in a refrigeration house into a plurality of return air inlets of a solution dehumidifier through a fan;
step S304, regenerating a first solution in the solution regeneration assembly through a first part of return air from the refrigeration house, wherein a liquid outlet of the solution regeneration assembly is connected with a first liquid inlet of the solution regeneration assembly through a first pipeline;
step S306, at least utilizing the cold energy in the dehumidified air recovered by the heat recovery component to cool and dehumidify the regenerated return air passing through the solution regeneration component;
step S308, utilizing a second solution in the solution dehumidifying component to cool and dehumidify the regenerated return air processed by the heat recovery component and a second part of return air from the refrigeration house, wherein a liquid outlet of the solution dehumidifying component is connected with a first liquid inlet of the solution dehumidifying component through a second pipeline;
step S310, heating the first solution in the first pipeline through a heat pump system, and cooling the second solution in the second pipeline;
step S312, heating the air dehumidified by the solution dehumidifying component through the heat recovery component;
and step S314, sending the air heated by the heat recovery assembly back to the refrigeration house through a fan.
Optionally, in the above embodiment of the present invention, the cooling and dehumidifying the regenerated return air passing through the solution regeneration component by using at least the recovered cold energy in the dehumidified air through the heat recovery component includes: the cooler in the heat recovery assembly at least utilizes the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration assembly; heating the air dehumidified by the solution dehumidifying module by the heat recovery module includes: heating the dehumidified air by a heating device in the heat recovery assembly, and recovering at least cold energy in the dehumidified air; the cooler is arranged between the solution regeneration assembly and the solution dehumidification assembly, the heating device is arranged behind the solution dehumidification assembly, a refrigerant outlet of the cooler is connected with a refrigerant inlet of the heating device, and a refrigerant inlet of the cooler is connected with a refrigerant outlet of the heating device.
Optionally, in the above embodiment of the present invention, heating the dehumidified air by the heating device in the heat recovery assembly includes: heating the dehumidified air by a first heater in the heating device, wherein the first heater is arranged behind the solution dehumidifying component; heating the air heated by the first heater by a second heater in the heating device, wherein the second heater is arranged behind the first heater; the refrigerant outlet of the cooler is connected with the refrigerant inlet of the second heater, the refrigerant outlet of the second heater is connected with the refrigerant inlet of the first heater, and the refrigerant outlet of the first heater is connected with the refrigerant inlet of the cooler.
Optionally, in the above embodiment of the present invention, heating the first solution in the first pipeline by the heat pump system, and cooling the second solution in the second pipeline includes: heating the first solution in the first pipeline through a condenser; and cooling the second solution in the second pipeline through the evaporator.
Optionally, in the above embodiments of the present invention, the regenerating the first solution in the solution regenerating assembly by the first part of return air from the cold storage includes: pumping a first solution at the bottom of the solution regeneration module to the top of the solution regeneration module by a regeneration pump in the solution regeneration module; a first solution is sprayed to the bottom of the solution regeneration component by a first liquid distributor in the solution regeneration component; a first portion of the return air contacts the first solution in the first filler.
Optionally, in the above embodiment of the present invention, the cooling and dehumidifying the regenerated return air processed by the heat recovery component and the second part of return air from the cold storage by using the second solution in the solution dehumidifying component includes: pumping a second solution at the bottom of the solution dehumidification module to the top of the solution dehumidification module by a dehumidification pump in the solution dehumidification module; spraying a second solution to the bottom of the solution dehumidifying component through a second liquid distributor in the solution dehumidifying component; the regenerated return air and a second portion of the return air contact a second solution in a second filler.
Optionally, in the above embodiment of the present invention, the method further includes: and heating the first solution pumped out by the regeneration pump through the heat pump system, and cooling the second solution pumped out by the dehumidification pump.
Optionally, in the above embodiment of the present invention, the method further includes: and the cold and heat of the solution in the first sub-pipeline and the second sub-pipeline are recovered through the heat exchanger, wherein two ends of the first sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the regeneration pump and the second liquid inlet of the solution dehumidification assembly, and two ends of the second sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the dehumidification pump and the second liquid inlet of the solution regeneration assembly.
Example 3
According to an embodiment of the present invention, there is provided a storage medium including a stored program, wherein, when the program runs, a device in which the storage medium is located is controlled to execute the method for controlling a solution dehumidifier in the above embodiment 2.
Example 4
According to an embodiment of the present invention, a processor is provided, and the processor is configured to run a program, where the program executes the method for controlling a solution dehumidifier in embodiment 2.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (15)

1. A solution dehumidifier, comprising:
the solution regeneration assembly is used for regenerating a first solution in the solution regeneration assembly through a first part of return air from the refrigeration house;
the heat recovery component is used for at least utilizing the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration component;
the liquid outlet of the solution dehumidifying component is connected with the first liquid inlet of the solution dehumidifying component through a second pipeline, and the solution dehumidifying component is used for cooling and dehumidifying the regenerated return air processed by the heat recovery component and the second part of return air from the refrigeration house by using a second solution in the solution dehumidifying component;
the heat pump system is used for heating the first solution in the first pipeline and cooling the second solution in the second pipeline;
the heat recovery assembly is also used for heating the air dehumidified by the solution dehumidifying assembly;
and the fan is used for introducing the air in the refrigeration house into the return air inlets of the solution dehumidifier and sending the air heated by the heat recovery assembly back to the refrigeration house.
2. The solution dehumidifier of claim 1, wherein the heat recovery assembly comprises:
the cooler is arranged between the solution regeneration component and the solution dehumidification component and is used for cooling and dehumidifying the regenerated return air passing through the solution regeneration component by at least utilizing the recovered cold quantity in the dehumidified air;
the heating device is arranged behind the solution dehumidifying component and used for heating the dehumidified air and at least recovering cold energy in the dehumidified air;
the refrigerant outlet of the cooler is connected with the refrigerant inlet of the heating device, and the refrigerant inlet of the cooler is connected with the refrigerant outlet of the heating device.
3. The solution dehumidifier of claim 2 wherein said heating means is further adapted to recover cold from a third portion of return air from said cold store.
4. The solution dehumidifier of claim 3, wherein said heating means comprises:
the first heater is arranged behind the solution dehumidifying component and used for heating the dehumidified air;
the second heater is arranged behind the first heater and used for heating the air heated by the first heater;
the refrigerant outlet of the cooler is connected with the refrigerant inlet of the second heater, the refrigerant outlet of the second heater is connected with the refrigerant inlet of the first heater, and the refrigerant outlet of the first heater is connected with the refrigerant inlet of the cooler.
5. The solution dehumidifier of claim 4, wherein the heat recovery assembly further comprises:
and the circulating pump is arranged between the refrigerant outlet of the cooler and the refrigerant inlet of the second heater.
6. The solution dehumidifier of claim 1, wherein the solution outlet of the solution regeneration assembly is disposed at a bottom of the solution regeneration assembly, and the first liquid inlet of the solution regeneration assembly is disposed at a top of the solution regeneration assembly, wherein the solution regeneration assembly comprises:
a regeneration pump disposed on the first line, the regeneration pump for pumping the first solution at the bottom of the solution regeneration assembly to the top of the solution regeneration assembly;
the first liquid distributor is positioned at the top of the solution regeneration assembly and is used for spraying the first solution to the bottom of the solution regeneration assembly;
a first fill material positioned below the first liquid distributor, the first portion of return air contacting the first solution in the first fill material.
7. The solution dehumidifier of claim 1, wherein the solution outlet of the solution dehumidifier is disposed at a bottom of the solution dehumidifier, and the first inlet of the solution dehumidifier is disposed at a top of the solution dehumidifier, wherein the solution dehumidifier comprises:
the dehumidifying pump is arranged on the second pipeline and is used for pumping the second solution at the bottom of the solution dehumidifying component to the top of the solution dehumidifying component;
the second liquid distributor is positioned at the top of the solution dehumidifying component and is used for spraying the second solution to the bottom of the solution dehumidifying component;
a second filler below the second liquid distributor, wherein the regenerated return air and the second portion of return air contact the second solution in the second filler.
8. The solution dehumidifier of claim 6 or 7, wherein said solution dehumidifier further comprises:
the two ends of a first sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the regeneration pump and the second liquid inlet of the solution dehumidification assembly, the two ends of a second sub-pipeline in the heat exchanger are respectively connected with the liquid outlet of the dehumidification pump and the second liquid inlet of the solution regeneration assembly, and the heat exchanger is used for recovering the cold and heat of the solution in the first sub-pipeline and the second sub-pipeline.
9. The solution dehumidifier of claim 8, wherein said heat exchanger comprises: plate heat exchangers or double pipe heat exchangers.
10. The solution dehumidifier of claim 4, wherein the cooler, the first heater, and the second heater are finned coil heat exchangers.
11. A control method of a solution dehumidifier is characterized by comprising the following steps:
introducing air in a refrigeration house into a plurality of return air inlets of the solution dehumidifier through a fan;
regenerating a first solution in a solution regeneration assembly through a first part of return air from the refrigeration house, wherein a liquid outlet of the solution regeneration assembly is connected with a first liquid inlet of the solution regeneration assembly through a first pipeline;
the heat recovery component at least utilizes the recovered cold energy in the dehumidified air to cool and dehumidify the regenerated return air passing through the solution regeneration component;
the second solution in the solution dehumidifying component is utilized to cool and dehumidify the regenerated return air processed by the heat recovery component and the second part of return air from the refrigeration house, wherein a liquid outlet of the solution dehumidifying component is connected with a first liquid inlet of the solution dehumidifying component through a second pipeline;
heating the first solution in the first pipeline through a heat pump system, and cooling the second solution in the second pipeline;
heating the dehumidified air passing through the solution dehumidification module by the heat recovery module;
and the air heated by the heat recovery assembly is sent back to the refrigeration house by the fan.
12. The method of claim 11,
through the cold volume in the dehumidification air of heat recovery subassembly at least utilization recovery, to the process solution regeneration subassembly's regeneration return air carries out cooling dehumidification and includes: the regenerated return air passing through the solution regeneration component is cooled and dehumidified by a cooler in the heat recovery component by utilizing at least the cold energy in the recovered dehumidified air;
heating the dehumidified air passing through the solution dehumidification module by the heat recovery module includes: heating the dehumidified air through a heating device in the heat recovery assembly, and recovering at least cold energy in the dehumidified air;
the solution dehumidifying device comprises a solution regenerating assembly, a solution dehumidifying assembly, a heating device, a cooler, a heating device and a heating device, wherein the cooler is arranged between the solution regenerating assembly and the solution dehumidifying assembly, the heating device is arranged behind the solution dehumidifying assembly, a refrigerant outlet of the cooler is connected with a refrigerant inlet of the heating device, and a refrigerant inlet of the cooler is connected with a refrigerant outlet of the heating device.
13. The method of claim 12, wherein heating the dehumidified air with a heating device in the heat recovery assembly comprises:
heating the dehumidified air by a first heater in the heating device, wherein the first heater is arranged behind the solution dehumidifying component;
heating the air heated by the first heater by a second heater in the heating device, wherein the second heater is arranged behind the first heater;
the refrigerant outlet of the cooler is connected with the refrigerant inlet of the second heater, the refrigerant outlet of the second heater is connected with the refrigerant inlet of the first heater, and the refrigerant outlet of the first heater is connected with the refrigerant inlet of the cooler.
14. A storage medium comprising a stored program, wherein the apparatus on which the storage medium is located is controlled to perform the method of any one of claims 11 to 13 when the program is run.
15. A processor, characterized in that the processor is used for running a program, wherein the program is run to execute the control method of the solution dehumidifier according to any one of claims 11 to 13.
CN202010809057.1A 2020-08-12 2020-08-12 Solution dehumidifier and control method thereof Pending CN111998602A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112728658A (en) * 2020-12-24 2021-04-30 天津华创瑞风空调设备有限公司 Rotary dehumidifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112728658A (en) * 2020-12-24 2021-04-30 天津华创瑞风空调设备有限公司 Rotary dehumidifier

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