CN110243024B - Domestic diaphragm type solution dehumidifier - Google Patents

Domestic diaphragm type solution dehumidifier Download PDF

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Publication number
CN110243024B
CN110243024B CN201910520141.9A CN201910520141A CN110243024B CN 110243024 B CN110243024 B CN 110243024B CN 201910520141 A CN201910520141 A CN 201910520141A CN 110243024 B CN110243024 B CN 110243024B
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China
Prior art keywords
liquid
communicated
dehumidification
pipeline
cold water
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CN110243024A (en
Inventor
杨宇
黄斯珉
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Dongguan University of Technology
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Dongguan University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F2003/144Air-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 dehumidification only
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides a domestic membrane type solution dehumidifier, which comprises: the indoor unit is communicated with the outdoor unit through a pipeline; the indoor unit comprises an axial flow fan and a membrane type solution dehumidifier, and the outdoor unit comprises a heat pump circulation loop, a regeneration device, a heat exchanger and a dehumidification pump. The structure has the advantages of convenient installation and arrangement, simple operation, low noise, clean and bacteriostatic treated air, continuous and stable operation with large dehumidification capacity, good regeneration performance, energy conservation, high efficiency and the like, and a cold water loop can be additionally arranged in the structure to further improve the solution dehumidification efficiency; the membrane type solution dehumidifier in the structure can be arranged into two structures, wherein one structure is a flat plate structure, is convenient to install and disassemble, has compact structure, good heat transfer and sealing performance and low metal consumption, and the other structure is a hollow fiber structure, is convenient to install and manage and has better dehumidification performance; the outdoor unit can realize the cyclic regeneration of the dehumidification liquid and improve the energy utilization rate.

Description

Domestic diaphragm type solution dehumidifier
The technical field is as follows:
the invention belongs to the technical field of indoor environment adjusting equipment, and particularly relates to a household membrane type solution dehumidifier.
Background art:
nowadays, more and more people pay more attention to the improvement of life quality, and a comfortable and healthy living environment becomes the rigid demand of people. In southern areas of China, air is in a high-temperature and humid state for a long time, and clothes are easy to damp and mildew; deterioration of food and medicine; electrical appliances and precision instruments are affected with damp and damaged; water stains appear on the wall and the floor, so that the files and the collection are damped and mildewed; bacteria grow and easily induce respiratory diseases, rheumatism, etc. The meaning of air dehumidification is therefore naturally self-evident.
The dehumidifier can be divided into two major categories, i.e., a civil dehumidifier and an industrial dehumidifier. The existing civil dehumidifier mainly adopts condensation dehumidification or solid adsorption dehumidification. The condensation dehumidification pumps moist air into the machine through a fan, the air temperature reaches below a dew point after compression cooling, and water vapor is condensed into water drops. In addition, the air of the dry air needs to be heated to reach an air supply state and then can be discharged out of the machine. The dehumidifying method has the advantages of large vibration noise, low dehumidifying efficiency and high energy consumption due to the compressor. The solid adsorption dehumidification is to directly use a solid adsorbent (silica gel, calcium chloride, etc.) with moisture absorption capacity to absorb the ambient moisture, so as to achieve the purpose of dehumidification. Because the water absorption capacity of the adsorbent is limited, the method is only suitable for a closed environment with small space volume, and the adsorbent must be replaced regularly, so that the requirement of constant humidity is difficult to ensure, and the management is troublesome.
Membrane solution dehumidification technology utilizes salt solutions (LiCl, LiBr and CaCl) with moisture absorption capacity2Etc.) to dehumidify air, separate the solution from the air using a selectively permeable membrane, and exchange water quality using the surface partial pressure difference of water vapor between the two. The concentration of the solution after dehumidification is reduced, the temperature is increased, and the dehumidification capacity is reduced. The partial pressure of water vapor on the surface of the dilute solution is improved by heating the dilute solution, and then the water vapor is taken away by dry hot air, so that the dilute solution is changed into a concentrated solution to complete regeneration. The technology has the advantages that (1) low-grade heat energy and renewable energy are utilized to realize efficient dehumidification above a dew point; (2) the unit is convenient to install and arrange; (3) the regeneration capacity is strong, and the energy consumption is low; (4) the dehumidification efficiency and the air quality are both effectively improved.
Therefore, the invention develops a household dehumidifier and film solution dehumidification technology to solve the problems of high noise, incapability of continuous and stable work, low dehumidification efficiency, high energy consumption and the like of the conventional household dehumidifier.
The invention content is as follows:
the invention aims to overcome the defects and develop a household membrane type solution dehumidifier which can continuously and stably work with large dehumidification capacity, has good regeneration performance, and is energy-saving and efficient.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a domestic membrane type solution dehumidifier, which comprises: the indoor unit is communicated with the outdoor unit through a pipeline; the indoor unit comprises an axial flow fan and a membrane type solution dehumidifier, and the axial flow fan is arranged above the membrane type solution dehumidifier; the outdoor unit comprises a heat pump circulation loop, a regeneration device, a heat exchanger and a dehumidification pump, the heat pump circulation loop comprises a dehumidification liquid tank, a compressor and an air-cooled condenser, a first liquid outlet of the dehumidification liquid tank is communicated with a liquid inlet of the compressor through a pipeline, a liquid outlet of the compressor is communicated with a liquid inlet of the air-cooled condenser through a pipeline, the regeneration device comprises a regenerator, a regeneration liquid tank and an electric heater, a liquid outlet of the regenerator is inserted in the regeneration liquid tank, the electric heater is installed on the pipeline communicated with the liquid inlet of the regenerator, an air inlet end of the regenerator is communicated with an air outlet end of the air-cooled condenser through a pipeline, the regeneration liquid tank is communicated with the dehumidification liquid tank, the heat exchanger is respectively communicated with the heat pump circulation loop and the regeneration device through pipelines, a second liquid outlet of the dehumidification liquid tank is communicated with the membrane type solution through a pipeline, the dehumidification pump is installed on a pipeline which is communicated with the dehumidification liquid tank and the membrane type solution dehumidifier.
The heat pump circulation loop further comprises an expansion valve, and the expansion valve is installed on a pipeline communicated with the first liquid inlet of the dehumidification liquid tank.
The outdoor unit further comprises a cold water circulation loop, the cold water circulation loop comprises a cold water tank, a first liquid inlet and a first liquid outlet of the cold water tank are respectively communicated with the membrane solution dehumidifier through pipelines, a second liquid outlet of the cold water tank is communicated with the compressor, and a second liquid inlet of the cold water tank is communicated with the regeneration liquid tank.
The cold water circulation loop further comprises an expansion valve, and the expansion valve is installed on a pipeline communicated with the second liquid inlet of the cold water tank.
The membrane type solution dehumidifier comprises a shell, a solution flow channel and an air flow channel are arranged in the shell, a selective permeation membrane is arranged between the solution flow channel and the air flow channel, a liquid inlet of the solution flow channel is communicated with a second liquid outlet of the dehumidification liquid tank through a pipeline, and a gas inlet of the air flow channel is communicated with a gas outlet end of the regenerator through a pipeline.
The membrane type solution dehumidifier is of a flat plate structure and comprises a shell, wherein a solution plate and an air plate are arranged in the shell, a selective permeation membrane is arranged between the adjacent solution plate and the air plate, the solution plate and the air plate are both of an opening type frame structure, a space part is arranged in the opening type frame structure, solution flow channels are symmetrically arranged on one opposite sides of the opening type frame structure, air flow channels are symmetrically arranged on the other opposite sides of the opening type frame structure, a first through hole is formed between the solution flow channel on the solution plate and the space part to communicate the solution flow channel and the space part, and a second through hole is formed between the air flow channel on the air plate and the space part to communicate the air flow channel and the space part.
The solution plate is characterized in that two first cooling water pipes are arranged in the space part of the solution plate in parallel with the solution flow channel, a plurality of second cooling water pipes are arranged between the first cooling water pipes side by side, the second cooling water pipes are perpendicular to the solution flow channel, and a cold water inlet and a cold water outlet are respectively formed in the first cooling water pipes.
The membrane type solution dehumidifier is of a hollow fiber structure and comprises a shell, wherein the shell is hollow, a plurality of first cavities and second cavities are arranged in the shell, the first cavities and the second cavities are arranged adjacently, a plurality of solution runners are arranged in the first cavities, the solution runners are communicated with the second cavities, cold water runners are arranged in the second cavities, the cold water runners penetrate through the second cavities, air runners are arranged on the first cavities, and air is filled in the first cavities through the air runners. The solution flow channel is the interior of the hollow fiber membrane tube.
The outdoor unit further comprises a liquid level balance pipe which is communicated with the dehumidification liquid tank and the regeneration liquid tank respectively.
The regenerator includes the regenerator column, the inlet of regenerator column pass through the pipeline with regeneration liquid case intercommunication, and the pipeline passes the inlet extends to inside the regenerator column, install spray set at the tip of pipeline.
And an induced draft fan is arranged at the air inlet end of the air-cooled condenser.
The domestic membrane type solution dehumidifier has the beneficial effects that: the structure of the invention has the advantages of convenient installation and arrangement, simple operation, low noise, clean and bacteriostatic treated air, continuous and stable work with large dehumidification capacity, good regeneration performance, energy conservation, high efficiency and the like, and a cold water loop can be additionally arranged in the structure to further improve the solution dehumidification efficiency; the membrane type solution dehumidifier in the structure can be arranged into two structures, wherein one structure is a flat plate structure, is convenient to install and disassemble, has compact structure, good heat transfer and sealing performance and low metal consumption, and the other structure is a hollow fiber structure, is convenient to install and manage and has better dehumidification performance; the outdoor unit can realize the cyclic regeneration of the dehumidification liquid and improve the energy utilization rate.
Description of the drawings:
fig. 1 is a schematic structural diagram of a domestic membrane solution dehumidifier provided in embodiment 1;
FIG. 2 is a schematic view of another domestic membrane solution dehumidifier according to embodiment 2;
FIG. 3 is a schematic view of the membrane solution dehumidifier of the domestic membrane solution dehumidifier according to embodiment 1;
FIG. 4 is a schematic view of the structure of FIG. 3 with the addition of cold water lines;
FIG. 5 is a schematic view of the membrane solution dehumidifier of the domestic membrane solution dehumidifier according to embodiment 1;
FIG. 6 is a schematic view of the structure of FIG. 5 with an additional cold water flow path;
in the figure: a is an indoor unit, B is an outdoor unit;
1-regenerator, 2-regeneration liquid tank, 3-expansion valve, 4-regeneration pump, 5-liquid level balance pipe, 6-plate heat exchanger, 7-dehumidification liquid tank, 8-dehumidification pump, 9-membrane type solution dehumidifier, 10-axial flow fan, 11-compressor, 12-air cooling condenser, 13-electric heater, 14-cold water tank, 15-cold water pump, 901-first solution flow channel, 902-first shell, 903-first air flow channel, 904-cold water inlet, 905-second cooling water pipe, 906-cold water outlet, 907-second solution flow channel, 908-second air flow channel, 909-second shell, 910-first chamber, 911-cold water flow channel, 912-second chamber, and a-l are valves.
The specific implementation mode is as follows:
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 all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
According to fig. 1, the present invention provides a domestic membrane type solution dehumidifier, comprising: the indoor unit A is communicated with the outdoor unit B through a pipeline; the indoor unit A comprises an axial flow fan 10 and a membrane type solution dehumidifier 9, the membrane type solution dehumidifier 9 can be of a flat plate type structure or a hollow fiber type structure, the solution and the air in the membrane type solution dehumidifier 9 flow in a cross flow mode, the membrane type solution dehumidifier 9 is selected for dehumidification, the membrane type solution dehumidifier 9 is designed to be of a flat plate type structure or a hollow fiber type structure, the flat plate type dehumidifier is convenient to install and detach, the structure is compact, the heat transfer and sealing performance is good, and the metal consumption is low. The hollow fiber type dehumidifier is convenient to install and manage, the dehumidification performance is better, the dehumidification liquid and the air flow in a cross flow mode, the semipermeable membrane is arranged between the solution flow channel and the air flow channel, and water vapor is transferred to the solution side from the air side due to the fact that the moisture air and the dehumidification liquid have surface water vapor partial pressure difference. The axial flow fan 10 is arranged above the membrane type solution dehumidifier 9; the outdoor unit B comprises a heat pump circulation loop, a regeneration device, a heat exchanger 6 and a dehumidifying pump 8, the heat pump circulation loop comprises a dehumidifying liquid tank 7, a compressor 11 and an air-cooled condenser 12, the regeneration device comprises a regenerator 1, a regenerating liquid tank 2 and an electric heater 13, an air inlet end of the regenerator 1 is communicated with an air outlet end of the air-cooled condenser 12 through a pipeline, the regenerating liquid tank 2 is communicated with the dehumidifying liquid tank 7, the heat exchanger is respectively communicated with the heat pump circulation loop and the regeneration device through pipelines, and the dehumidifying pump 8 is installed on a pipeline through which the dehumidifying liquid tank 7 is communicated with the membrane solution dehumidifier 9.
Specifically, in this embodiment, the dehumidifying liquid tank 7 is used as an evaporator in a dehumidifying process, a refrigerant is used to cool the dehumidifying liquid tank 7, and the refrigerant is heated and evaporated at the same time, a first serpentine elbow is disposed in the dehumidifying liquid tank 7, a second serpentine elbow is disposed in the regenerating liquid tank 2, a third serpentine elbow is disposed in the air-cooled condenser 12, a first liquid outlet of the first serpentine elbow is communicated with a liquid inlet of the compressor 11 through a pipeline, a second liquid outlet of the dehumidifying liquid tank 7 is communicated with the membrane solution dehumidifier 9 through a pipeline, a dehumidifying pump 8 and a valve f are mounted on the pipeline, a first liquid inlet of the first serpentine elbow is communicated with a first liquid outlet of the second serpentine elbow through a pipeline, an expansion valve 3 is mounted on the pipeline, a first liquid inlet of the second serpentine elbow is communicated with a first liquid outlet of the third serpentine elbow through a pipeline, and the outdoor unit further comprises a liquid level balance pipe 5, wherein the liquid level balance pipe 5 is respectively communicated with the dehumidification liquid tank 7 and the regeneration liquid tank 2, and the liquid level balance pipe 5 can balance the liquid level between the dehumidification liquid tank 7 and the regeneration liquid tank 2, so that the influence on the regeneration effect and the dehumidification effect caused by the liquid level difference is avoided.
Specifically, in this embodiment, the second liquid outlet of seting up on the box of regeneration liquid case 2 pass through the pipeline with 1 intercommunication of regenerator, the liquid outlet of regenerator 1 is inserted and is located in the regeneration liquid case 2, the first inlet of third snakelike return bend with the liquid outlet of compressor 11 passes through the pipeline intercommunication, and is close to on this pipeline electric heater 13 and valve a are installed to the one end of compressor 11, is close to on this pipeline regeneration liquid case 2's one end is installed regeneration pump 4 and valve c, and dehumidification liquid can carry out the liquid cooling for the refrigerant in the regeneration liquid case 2, and corresponding refrigerant is favorable to the regeneration of solution to the heating of dehumidification liquid.
Specifically, in this embodiment, regenerator 1 includes the regenerator column, the inlet of regenerator column pass through the pipeline with regeneration liquid case 2 intercommunication, and the pipeline passes the inlet extends to inside the regenerator column, installs spray set at the tip of pipeline, and dehumidification liquid takes out from regeneration liquid case 2 through regeneration pump 4, gets into the regenerator column after heating through electric heater 13, then sprays through the spray set of regenerator column to fully contact with the air, the vapor of dehumidification liquid can be taken away by the air and accomplish concentrated regeneration.
Specifically, in this embodiment, the air outlet of the air-cooled condenser 12 is communicated with the air inlet of the regenerator 1 through a pipeline, the air inlet of the air-cooled condenser 12 is communicated with the air outlet of the air flow channel of the membrane solution dehumidifier 9 through a pipeline, the air outlet of the regenerator 1 is communicated with the air inlet of the air flow channel of the membrane solution dehumidifier 9 through a pipeline, so that the air flow channel of the membrane solution dehumidifier 9 is communicated with the air-cooled condenser 12 and the regenerator 1 to form a loop, an induced draft fan is arranged at the air inlet end of the air-cooled condenser 12, and the high-temperature dried air passing through the air-cooled condenser 12 is introduced into the regenerator 1 to regenerate the dehumidifying liquid.
Specifically, in this embodiment, a liquid inlet of the solution flow channel of the membrane solution dehumidifier 9 is communicated with a second liquid outlet of the box body of the dehumidification liquid box 7 through a pipeline, a liquid outlet of the solution flow channel of the membrane solution dehumidifier 9 is communicated with a second liquid inlet of the box body of the dehumidification liquid box 7 through a pipeline, and a valve g is installed on the pipeline, so that the solution flow channel of the membrane solution dehumidifier 9 and the box body of the dehumidification liquid box 7 form a loop.
Specifically, in this embodiment, the heat exchanger is a plate heat exchanger 6, a first liquid outlet of the plate heat exchanger 6 is communicated with a third liquid inlet of a tank body of the dehumidification liquid tank 7 through a pipeline, the first liquid inlet of the plate-type heat exchanger 6 is communicated with a pipeline communicated with the regeneration liquid tank 2 and the regenerator 1 through a pipeline, and a valve d is arranged on the pipeline, a second liquid outlet of the plate-type heat exchanger 6 is communicated with a second liquid inlet of the box body of the regeneration liquid box 2 through a pipeline, a valve b is arranged on the pipeline, a second liquid inlet of the plate-type heat exchanger 6 is communicated with a pipeline communicated with the dehumidification liquid tank 7 and the membrane solution dehumidifier 9 through a pipeline, a valve e is arranged on the pipeline, and the plate heat exchanger 6, the regeneration pump 4 and the regeneration liquid tank 2 are communicated in sequence to form a concentrated dehumidification liquid flow channel flow direction; plate heat exchanger 6, dehumidification pump 8 and dehumidification liquid case 7 communicate in proper order and form the rare dehumidification fluid flow channel flow direction, plate heat exchanger 6 is used for regeneration to return liquid and flows back dehumidification liquid case 7 and the heat exchange before dehumidification liquid gets into regenerator 1, is favorable to regeneration to return cooling before the liquid dehumidification and the heating before the dehumidification liquid regeneration, is favorable to more efficient energy utilization, and is energy-concerving and environment-protective.
Specifically, in this embodiment, the membrane type solution dehumidifier includes a housing, a solution flow channel and an air flow channel are disposed inside the housing, a selective permeation membrane is disposed between the solution flow channel and the air flow channel, a liquid inlet of the solution flow channel is communicated with a second liquid outlet of the dehumidification liquid tank 7 through a pipeline, and an air inlet of the air flow channel is communicated with an air outlet end of the regenerator 1 through a pipeline.
Specifically, in the present embodiment, as shown in fig. 3 and 4, the membrane solution dehumidifier 9 is a flat plate structure, and the solution flows through the upper end of the solution plate and down along the pore channels to fill the space in the frame, and after dehumidification is completed, the solution converges from the pore channels at the lower end and then leaves the pore channels, and returns to the dehumidification solution tank 7; specifically, the liquid-permeable membrane type solar cell module comprises a first housing 902, wherein a solution plate and an air plate are arranged in the first housing 902, the solution plate and the air plate are arranged at an interval, a selective permeation membrane is arranged between the adjacent solution plate and the adjacent air plate, the solution plate and the air plate are both of a mouth-shaped frame structure, a space portion is arranged in the mouth-shaped frame structure, first solution flow channels 901 are symmetrically arranged on one opposite sides of the mouth-shaped frame structure, first air flow channels 903 are symmetrically arranged on the other opposite sides of the mouth-shaped frame structure, a first through hole is formed between the first solution flow channel 901 on the solution plate and the space portion to communicate the first solution flow channel 901 with the space portion, so that a solution can flow in the plate, and a second through hole is formed between the first air flow channel 903 on the air plate and the space portion to communicate the first air flow channel 903 with the space portion.
Specifically, in this embodiment, two first cooling water pipes are arranged in the space portion of the solution plate parallel to the first solution flow passage 901, a plurality of second cooling water pipes 905 are arranged between the two first cooling water pipes side by side, the second cooling water pipes 905 are arranged perpendicular to the first solution flow passage 901, a cold water inlet 904 and a cold water outlet 906 are respectively formed in the first cooling water pipes, during dehumidification, the dehumidification liquid absorbs water vapor, latent heat and mixed heat are released into the solution, the solution temperature increases, the dehumidification capacity decreases, the temperature of the dehumidification liquid can be maintained, the continuous high dehumidification capacity of the solution is maintained, and cooling water flows from the second cooling water pipes 905 arranged side by side in the solution plate to cool the solution.
Specifically, in this embodiment, as shown in fig. 5 and 6, the membrane type solution dehumidifier 9 may also be a hollow fiber type structure, which is partitioned in a transverse direction, and cooling water is introduced into a second solution channel 907 between blocks to flow in a cross-flow manner, the solution and cold water flow in a counter-flow manner, the dehumidification liquid enters the partitioned hollow fiber bundles, the dehumidification liquid flows in the membrane to dehumidify air outside the membrane, and then the air is collected from the other end of the membrane and then is returned to the dehumidification liquid tank 7, and specifically, the membrane type solution dehumidifier includes a second housing 909, the second housing 909 is hollow, a plurality of first chambers 910 and second chambers 912 are disposed inside the second housing, the first chambers 910 and the second chambers 912 are disposed adjacent to each other, a plurality of second solution channels 907 are disposed in the first chamber 910, the second solution channels 907 are communicated with the second chambers 912, the second chambers 912 are disposed in the second chambers 912, the cold water flow passage 911 penetrates through the second chamber 912, the design of the cold water flow passage 911 can maintain the high dehumidification capacity of the solution in the air dehumidification process, the first chamber 910 is provided with a second air flow passage 908, the air is filled in the first chamber 910 through the second air flow passage 908, and the cooling water cools the solution in the segmented second solution flow passage 907. The solution flow channel is the interior of the hollow fiber membrane tube.
Example two:
according to fig. 2, the present invention provides a domestic membrane type solution dehumidifier, comprising: the indoor unit A is communicated with the outdoor unit B through a pipeline; the indoor unit A comprises an axial flow fan 10 and a membrane type solution dehumidifier 9, the membrane type solution dehumidifier 9 can be of a flat plate type structure or a hollow fiber type structure, the solution and the air in the membrane type solution dehumidifier 9 flow in a cross flow mode, the membrane type solution dehumidifier 9 is selected for dehumidification, the membrane type solution dehumidifier 9 is designed to be of a flat plate type structure or a hollow fiber type structure, the flat plate type dehumidifier is convenient to install and detach, the structure is compact, the heat transfer and sealing performance is good, and the metal consumption is low. The hollow fiber type dehumidifier is convenient to install and manage, the dehumidification performance is better, the dehumidification liquid and the air flow in a cross flow mode, the semipermeable membrane is arranged between the solution flow channel and the air flow channel, and water vapor is transferred to the solution side from the air side due to the fact that the moisture air and the dehumidification liquid have surface water vapor partial pressure difference. The axial flow fan 10 is arranged above the membrane type solution dehumidifier 9; the outdoor unit B comprises a heat pump circulation loop, a cold water circulation loop, a regeneration device, a heat exchanger 6 and a dehumidification pump 8, the heat pump circulation loop comprises a dehumidification liquid tank 7, a compressor 11 and an air-cooled condenser 12, the cold water circulation loop comprises a cold water tank 14, the regeneration device comprises a regenerator 1, a regeneration liquid tank 2 and an electric heater 13, the air inlet end of the regenerator 1 is communicated with the air outlet end of the air-cooled condenser 12 through a pipeline, the regeneration liquid tank 2 is communicated with the cold water tank 14, the heat exchanger is respectively communicated with the heat pump circulation loop and the regeneration device through pipelines, and the dehumidification pump 8 is installed on the pipeline through which the dehumidification liquid tank 7 is communicated with the membrane type solution dehumidifier 9.
The outdoor unit further comprises a cold water circulation loop, the cold water circulation loop comprises a cold water tank 14, a second liquid inlet and a second liquid outlet on a tank body of the cold water tank 14 are respectively communicated with the membrane type solution dehumidifier 9 through pipelines, a first liquid outlet of the cold water tank 14 is communicated with the compressor 11, and a first liquid inlet of the cold water tank is communicated with the regeneration liquid tank 2. Cold water is pumped out from the cold water tank 14 through a cold water pump 15, and is pumped out through pipelines to enter the dehumidification liquid tank 7 and the membrane type solution dehumidifier 9 respectively, and finally flows back to the cold water tank 14 through pipelines to form cooling water circulation. The cooling water takes away the heat of dehumidification liquid in dehumidification liquid case 7 and diaphragm type solution dehumidifier 9, gets back to cold water tank 14 again and stores, avoids at the dehumidification in-process, because of the dehumidification liquid absorbs vapor, latent heat and mixed heat release the solution, and the solution temperature risees, and leads to the dehumidification ability to descend, and then keeps the temperature of dehumidification liquid, maintains the high dehumidification ability that lasts of solution. The cold water tank 14 is used as an evaporator in the dehumidification process, the refrigerant is used for cooling the cold water tank 14, the refrigerant can be heated and evaporated at the same time, and the solution in the cold water tank 14 is pumped out through a cold water pump to respectively provide cooling water for the dehumidification liquid tank 7 and the membrane type solution dehumidifier 9. The cold water circulation loop further comprises an expansion valve 3, and the expansion valve 3 is installed on a pipeline communicated with a second liquid inlet of the cold water tank 14.
Specifically, in this embodiment, a first serpentine pipe is disposed in the dehumidification liquid tank 7, a second serpentine pipe is disposed in the regeneration liquid tank 2, a third serpentine elbow is arranged in the air-cooled condenser 12, a fourth serpentine elbow is arranged in the cold water tank 14, a first liquid outlet of the first serpentine elbow is communicated with a second liquid inlet arranged on the box body of the cold water box 14 through a pipeline, a first liquid inlet of the first serpentine elbow is communicated with a second liquid outlet arranged on the box body of the cold water box 14 through a pipeline, a valve e is arranged at one end of the pipeline close to the cold water box, the valve g is installed to the one end that this pipeline is close to dehumidification liquid case, the second liquid outlet of seting up on the box of dehumidification liquid case 7 pass through the pipeline with membrane type solution dehumidifier 9 intercommunication, and install dehumidification pump 8 and valve j on this pipeline.
Specifically, in this embodiment, a second liquid outlet formed in a tank body of the regeneration liquid tank 2 is communicated with the regenerator 1 and the heat exchanger through a pipeline, an electric heater 13 and a valve a are installed at one end of the pipeline close to the compressor 11, a regeneration pump 4 is installed at one end of the pipeline close to the regeneration liquid tank 2, a valve b is installed on the pipeline between the regeneration pump 4 and the electric heater 13, a valve c is installed on the pipeline between the regeneration pump 4 and the electric heater 13, the regeneration pump 4 pumps out dehumidification liquid in the regeneration liquid tank 2 and supplies the dehumidification liquid to the regenerator 1 and the heat exchanger 6 respectively, a liquid outlet of the regenerator 1 is inserted into the regeneration liquid tank 2, a first liquid inlet of the second serpentine pipe is communicated with a first liquid outlet of the third serpentine pipe through a pipeline, a first liquid outlet of the second serpentine pipe is communicated with a first liquid inlet of the fourth serpentine pipe through a pipeline, and install expansion valve 3 on this pipeline, the first inlet of third snakelike return bend with the liquid outlet of compressor 11 passes through the pipeline intercommunication, the first liquid outlet of fourth snakelike return bend with the inlet of compressor passes through the pipeline intercommunication. Dehumidification liquid can carry out the liquid cooling for the refrigerant in regeneration liquid case 2, and corresponding refrigerant is favorable to the regeneration of solution to the heating of dehumidification liquid. And the outdoor unit further comprises a liquid level balance pipe 5, wherein the liquid level balance pipe 5 is respectively communicated with the dehumidification liquid tank 7 and the regeneration liquid tank 2, and the liquid level balance pipe 5 can balance the liquid level between the dehumidification liquid tank 7 and the regeneration liquid tank 2, so that the influence on the regeneration effect and the dehumidification effect caused by the liquid level difference is avoided.
Specifically, in this embodiment, regenerator 1 includes the regenerator column, the inlet of regenerator column pass through the pipeline with regeneration liquid case 2 intercommunication, and the pipeline passes the inlet extends to inside the regenerator column, installs spray set at the tip of pipeline, and dehumidification liquid takes out from regeneration liquid case 2 through regeneration pump 4, gets into the regenerator column after heating through electric heater 13, then sprays through the spray set of regenerator column to fully contact with the air, the vapor of dehumidification liquid can be taken away by the air and accomplish concentrated regeneration.
Specifically, in this embodiment, the air outlet of the air-cooled condenser 12 is communicated with the air inlet of the regenerator 1 through a pipeline, the air inlet of the air-cooled condenser 12 is communicated with the air outlet of the air flow channel of the membrane solution dehumidifier 9 through a pipeline, the air outlet of the regenerator 1 is communicated with the air inlet of the air flow channel of the membrane solution dehumidifier 9 through a pipeline, so that the air flow channel of the membrane solution dehumidifier 9 is communicated with the air-cooled condenser 12 and the regenerator 1 to form a loop, an induced draft fan is arranged at the air inlet end of the air-cooled condenser 12, and the high-temperature dried air passing through the air-cooled condenser 12 is introduced into the regenerator 1 to regenerate the dehumidifying liquid.
Specifically, in this embodiment, a liquid inlet of the solution flow channel of the membrane solution dehumidifier 9 is communicated with a second liquid outlet of the box body of the dehumidification liquid box 7 through a pipeline, a liquid outlet of the solution flow channel of the membrane solution dehumidifier 9 is communicated with a second liquid inlet of the box body of the dehumidification liquid box 7 through a pipeline, a valve k is installed on the pipeline, so that the solution flow channel of the membrane solution dehumidifier 9 and the box body of the dehumidification liquid box 7 form a loop, a liquid inlet of the cold water flow channel of the membrane solution dehumidifier 9 is communicated with the pipeline through which the cold water box 14 is communicated with the dehumidification liquid box 7 through a pipeline, a cold water pump 15 and a valve f are installed on the pipeline through which the cold water box 14 is communicated with the dehumidification liquid box 7, cooling water in the cold water box 14 is pumped out through the cold water pump 15 and is supplied to the dehumidification liquid box 7 and the membrane solution dehumidifier 9, the outlet of the cold water tank 14 is controlled by the valve f; install valve l on being close to the pipeline of membrane solution dehumidifier 9 one side, the liquid outlet of the cold water runner of membrane solution dehumidifier 9 pass through the pipeline with the pipeline intercommunication of cold water tank 14 with dehumidification liquid tank 7, and install valve e and valve f on the pipeline of cold water tank 14 with dehumidification liquid tank 7 intercommunication, be close install valve h on the pipeline of membrane solution dehumidifier 9 one side, through valve e control the feed liquor of cold water tank 14.
Specifically, in this embodiment, the heat exchanger is a plate heat exchanger 6, a first liquid outlet of the plate heat exchanger 6 is communicated with a third liquid inlet of a tank of the dehumidification liquid tank 7 through a pipeline, a first liquid inlet of the plate heat exchanger 6 is communicated with a pipeline through which the regeneration liquid tank 2 and the regenerator 1 are communicated, and a valve c is installed on the pipeline, a second liquid outlet of the plate heat exchanger 6 is communicated with a second liquid inlet of the tank of the regeneration liquid tank 2 through a pipeline, and a valve d is installed on the pipeline, a second liquid inlet of the plate heat exchanger 6 is communicated with a pipeline through which the dehumidification liquid tank 7 and the membrane solution dehumidifier 9 are communicated, and a valve j is installed on the pipeline, and the dehumidification pump 8 pumps out dehumidification liquid in the dehumidification liquid tank 7 and supplies the dehumidification liquid to the heat exchanger 6 and the membrane solution dehumidifier 9 respectively, the liquid inlet of the second liquid inlet of the plate-type heat exchanger 6 is controlled through a valve j, and the plate-type heat exchanger 6, the regeneration pump 4 and the regeneration liquid tank 2 are communicated in sequence to form a concentrated dehumidification liquid flow channel; plate heat exchanger 6, dehumidification pump 8 and dehumidification liquid case 7 communicate in proper order and form the rare dehumidification fluid flow channel flow direction, plate heat exchanger 6 is used for regeneration to return liquid and flows back dehumidification liquid case 7 and the heat exchange before dehumidification liquid gets into regenerator 1, is favorable to regeneration to return cooling before the liquid dehumidification and the heating before the dehumidification liquid regeneration, is favorable to more efficient energy utilization, and is energy-concerving and environment-protective.
Specifically, in this embodiment, the membrane type solution dehumidifier includes a housing, a solution flow channel and an air flow channel are disposed inside the housing, a selective permeation membrane is disposed between the solution flow channel and the air flow channel, a liquid inlet of the solution flow channel is communicated with a second liquid outlet of the dehumidification liquid tank 7 through a pipeline, and an air inlet of the air flow channel is communicated with an air outlet end of the regenerator 1 through a pipeline.
Specifically, in the present embodiment, as shown in fig. 3 and 4, the membrane solution dehumidifier 9 is a flat plate structure, and the solution flows through the upper end of the solution plate and down along the pore channels to fill the space in the frame, and after dehumidification is completed, the solution converges from the pore channels at the lower end and then leaves the pore channels, and returns to the dehumidification solution tank 7; specifically, the liquid-permeable membrane type solar cell module comprises a first housing 902, wherein a solution plate and an air plate are arranged in the first housing 902, the solution plate and the air plate are arranged at an interval, a selective permeation membrane is arranged between the adjacent solution plate and the adjacent air plate, the solution plate and the air plate are both of a mouth-shaped frame structure, a space portion is arranged in the mouth-shaped frame structure, first solution flow channels 901 are symmetrically arranged on one opposite sides of the mouth-shaped frame structure, first air flow channels 903 are symmetrically arranged on the other opposite sides of the mouth-shaped frame structure, a first through hole is formed between the first solution flow channel 901 on the solution plate and the space portion to communicate the first solution flow channel 901 with the space portion, so that a solution can flow in the plate, and a second through hole is formed between the first air flow channel 903 on the air plate and the space portion to communicate the first air flow channel 903 with the space portion.
Specifically, in this embodiment, two first cooling water pipes are disposed in the space portion of the solution plate parallel to the first solution flow passage 901, a plurality of second cooling water pipes 905 are disposed between the two first cooling water pipes side by side, the second cooling water pipes 905 are disposed perpendicular to the first solution flow passage 901, a cold water inlet 904 and a cold water outlet 906 are respectively disposed on the first cooling water pipes, the cold water outlet 906 is communicated with a pipeline through which the cold water tank is communicated with the dehumidification liquid tank, a valve h is mounted on the pipeline, water outlet of the cold water outlet 906 is controlled by the valve h, the cold water inlet 904 is communicated with a pipeline through which the cold water tank is communicated with the dehumidification liquid tank, a valve 1 is mounted on the pipeline, water inlet of the cold water inlet 904 is controlled by the valve 1, during dehumidification, the dehumidification liquid absorbs water vapor, latent heat and mixed heat are released to the solution, the temperature of the solution is increased, the dehumidification capacity is reduced, the temperature of the dehumidification liquid can be kept, the continuous high dehumidification capacity of the solution is maintained, and cooling water flows from the second cold water pipe 905 arranged in the solution plate side by side to cool the solution.
Specifically, in this embodiment, as shown in fig. 5 and 6, the membrane type solution dehumidifier 9 may also be a hollow fiber type structure, which is partitioned in a transverse direction, and cooling water is introduced into a second solution channel 907 between blocks to flow in a cross-flow manner, the solution and cold water flow in a counter-flow manner, the dehumidification liquid enters the partitioned hollow fiber bundles, the dehumidification liquid flows in the membrane to dehumidify air outside the membrane, and then the air is collected from the other end of the membrane and then is returned to the dehumidification liquid tank 7, and specifically, the membrane type solution dehumidifier includes a second housing 909, the second housing 909 is hollow, a plurality of first chambers 910 and second chambers 912 are disposed inside the second housing, the first chambers 910 and the second chambers 912 are disposed adjacent to each other, a plurality of second solution channels 907 are disposed in the first chamber 910, the second solution channels 907 are communicated with the second chambers 912, the second chambers 912 are disposed in the second chambers 912, the cold water flow passage 911 penetrates through the second chamber 912, the design of the cold water flow passage 911 can maintain the high dehumidification capacity of the solution in the air dehumidification process, the first chamber 910 is provided with a second air flow passage 908, air is filled in the first chamber 910 through the second air flow passage 908, cooling water cools the solution in the segmented second solution flow passage 907, the water outlet of the cold water flow passage 911 is communicated with a pipeline through which the cold water tank is communicated with the dehumidification liquid tank through a pipeline, a valve h is installed on the pipeline, the water outlet of the cold water flow passage 911 is controlled through the valve h, the water inlet of the cold water flow passage 911 is communicated with a pipeline through which the cold water tank is communicated with the dehumidification liquid tank, a valve 1 is installed on the pipeline, the water inlet of the cold water flow passage 911 is controlled through the valve 1, and the dehumidification liquid absorbs water vapor in the dehumidification process, latent heat and mixed heat are released to the solution, the temperature of the solution rises, the dehumidification capacity is reduced, the temperature of the dehumidification liquid can be kept, the continuous high dehumidification capacity of the solution is maintained, and cooling water flows from the cold water flow passage 911 to cool the solution.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (4)

1. A domestic diaphragm type solution dehumidifier which is characterized in that: the method comprises the following steps: the indoor unit is communicated with the outdoor unit through a pipeline; the indoor unit comprises an axial flow fan and a membrane type solution dehumidifier, and the axial flow fan is arranged above the membrane type solution dehumidifier; the outdoor unit comprises a heat pump circulation loop, a regeneration device, a heat exchanger and a dehumidification pump, the heat pump circulation loop comprises a dehumidification liquid tank, a compressor and an air-cooled condenser, the regeneration device comprises a regenerator, a regeneration liquid tank and an electric heater, the regeneration liquid tank is communicated with the dehumidification liquid tank, a liquid outlet of the regenerator is inserted in the regeneration liquid tank, the electric heater is installed on a pipeline of the regenerator communicated with a liquid inlet of the regenerator, a liquid outlet of the compressor is communicated with a liquid inlet of the air-cooled condenser through a pipeline, a gas inlet end of the regenerator is communicated with a gas outlet end of the air-cooled condenser through a pipeline, a gas outlet end of the regenerator is communicated with a gas inlet end of a solution dehumidifier, and a gas outlet end of the membrane solution dehumidifier is communicated with a gas inlet end of the air-cooled condenser;
the outdoor unit further comprises a cold water circulation loop, the cold water circulation loop comprises a cold water tank, a first liquid inlet and a first liquid outlet of the cold water tank are respectively communicated with the membrane solution dehumidifier through pipelines, a second liquid outlet of the cold water tank is communicated with the compressor, and a second liquid inlet of the cold water tank is communicated with the regeneration liquid tank; a first serpentine elbow is arranged in the dehumidification liquid tank, a second serpentine elbow is arranged in the regeneration liquid tank, a third serpentine elbow is arranged in the air-cooled condenser, a fourth serpentine elbow is arranged in the cold water tank, the first serpentine elbow is communicated with a first inlet arranged on the box body of the cold water tank through a first liquid outlet of the dehumidification liquid tank by a pipeline, the first serpentine elbow is communicated with a first liquid outlet arranged on the box body of the cold water tank through a first liquid inlet of the dehumidification liquid tank by a pipeline, the second serpentine elbow is communicated with a first liquid outlet of the third serpentine elbow through a first liquid inlet of the regeneration liquid tank by a pipeline, the second serpentine elbow is communicated with the fourth serpentine elbow through a second liquid inlet of the cold water tank by a pipeline, and the first liquid inlet of the third serpentine elbow is communicated with a liquid outlet of the compressor by a pipeline, the fourth snake-shaped bent pipe is communicated with a liquid inlet of the compressor through a second liquid outlet of the cold water tank;
the membrane type solution dehumidifier is of a hollow fiber structure and comprises a shell, wherein the shell is hollow, a plurality of first cavities and second cavities are arranged in the shell, the first cavities and the second cavities are arranged adjacently, a plurality of solution flow channels are arranged in the first cavities, liquid inlets of the solution flow channels are communicated with a second liquid outlet of the dehumidification liquid tank through pipelines, and the dehumidification pump is installed on the pipeline for communicating the dehumidification liquid tank with the membrane type solution dehumidifier; the solution flow channel is communicated with the second chamber, a cold water flow channel is arranged in the second chamber, the cold water flow channel penetrates through the second chamber, an air flow channel is arranged on the first chamber, and air is filled in the first chamber through the air flow channel.
2. A domestic membrane solution dehumidifier as claimed in claim 1 wherein: the cold water circulation loop further comprises an expansion valve, and the expansion valve is installed on a pipeline communicated with the second liquid inlet of the cold water tank.
3. A domestic membrane solution dehumidifier as claimed in claim 1 wherein: the outdoor unit further comprises a liquid level balance pipe, and the liquid level balance pipe is communicated with the dehumidification liquid tank and the regeneration liquid tank respectively.
4. A domestic membrane solution dehumidifier as claimed in claim 1 wherein: the regenerator includes the regenerator column, the inlet of regenerator column pass through the pipeline with regeneration liquid case intercommunication, and the pipeline passes the inlet extends to inside the regenerator column, install spray set at the tip of pipeline.
CN201910520141.9A 2019-06-17 2019-06-17 Domestic diaphragm type solution dehumidifier Active CN110243024B (en)

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