CN207395044U - A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system - Google Patents

A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system Download PDF

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Publication number
CN207395044U
CN207395044U CN201720651515.7U CN201720651515U CN207395044U CN 207395044 U CN207395044 U CN 207395044U CN 201720651515 U CN201720651515 U CN 201720651515U CN 207395044 U CN207395044 U CN 207395044U
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solution
dehumidifier
air
dehumidification
heat
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张伦
陈瑶
刘拴强
高建红
何强勇
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GREY INTELLIGENT HABITAT ENVIRONMENTAL TECHNOLOGY (JIANGSU) Co.,Ltd.
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Jiangsu Ge Ruilide Operation Of Air Conditioning Systems Co Ltd
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Abstract

The utility model is related to a kind of two-stage solution dehumidification mixing hot and cold source using composite air conditioner system, mainly it is made of two-stage solution dehumidification regeneration cycle system and a heat pump system.Fresh air carries out point two-stage treatment in humiture area by two dehumidifiers, and high-temperature high-humidity air is by the first dehumidifier using room temperature solution treatment, and the air that subsequent temperature and humidity all decreases is again by the further cool-down dehumidification of cryogenic fluid in the second dehumidifier.Low-temperature receiver used in first dehumidifier is 30 DEG C or so of cooling water, and the first regenerator is then regenerated using the condensation heat of heat pump;Second dehumidifier low-temperature receiver is evaporator, and Second reactivator is heated using less than 50 DEG C of remaining hot water.Fresh air handing process is divided into two sections by the unit, the rational low-temperature receiver that make use of corresponding temperature, using and distributing for heat in solution reclaiming process has been planned according to the size of load treating capacity simultaneously, the service efficiency of Cooling and Heat Source is improved, air-conditioning system entirety efficiency is also made to be greatly improved.

Description

A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system
Technical field
The utility model is related to a kind of two-stage solution dehumidifications to regenerate air-conditioning system, belongs to refrigerated air-conditioning system design and manufacture Technical field.
Background technology
In all kinds of buildings, the energy consumption for meeting the air-conditioning system of indoor thermal comfort environment of rural accounts for building total energy consumption 50% or so, the energy consumption level of air-conditioning system is to weigh the important indicator whether certain building reaches energy conservation standard.It is however current general All over the air-conditioning system that uses due to its own structure and in air-treatment mode the defects of, consume substantial amounts of electric energy and cause More serious problem of environmental pollution, thus develop energy-saving and environment-friendly air-conditioning system and seem more urgent and with practical significance.
Existing most of air-conditioning systems are all adopted when handling the sensible heat in summer air-conditioning room with latent heat load or fresh air The method of humiture coupling control:Using mechanical refrigeration unit be transported to low temperature chilled water in surface cooler to air into Row cooling and dehumidifying.It is cold in surface cooler in order to realize the control of epidemic disaster simultaneously for this traditional air-treatment mode The temperature in source also allows for meeting sensible heat, the requirement of latent heat load processing simultaneously.But meet sensible heat load processing requirement Sink temperature will significantly larger than meet the temperature of latent heat load processing requirement.In general air-conditioned room, sensible heat load accounts for 60%~80%, account for the total load sensible heat load of more than half originally can be handled using high temperature low-temperature receiver, and in existing air Under processing mode, but it is forced the processing with latent heat load and shares low temperature cold source, this has resulted in very big in using energy source grade Waste.
Therefore, heat moisture ratio variation not only energy saving but also that indoor complexity can be met is found, flexibly controls the air of air-supply humiture Regulative mode becomes the emphasis that the researchers of association area pay close attention to.Wherein humiture independent treating air-conditioning system is considered as mesh A preceding effective scheme for reducing energy consumption of air conditioning system in buildings.In such system, liquid desiccant air conditioning technology plays important work With and with its advantage in the processing of air humidity load, utilizability to regenerative resource and being had in energy conservation and environmental protection The prominent value of some, is just gradually promoted and applies.And current most of solution dehumidifications being applied in Practical Project Air-conditioning system using heat pump driven pattern, further optimize heat pump driven solution dehumidifying air-conditioning system flow and Structure is significant for the energy consumption for reducing air-conditioning system.
Utility model content
Technical problem:The purpose of this utility model is to provide a kind of new two-stage solution dehumidification mixing hot and cold source using again Mould assembly air-conditioning system is handled the hot humidity load of fresh air using the two-stage dehumidifying regeneration cycle using different cycle fluids, Using conventional cold and heat source and heat pump system for dehumidifying regeneration cycle cold and hot amount is provided, with realize the optimization of air handling scheme and The reduction of air conditioning energy consumption.
Technical solution:In order to achieve the above object, the utility model is achieved using following technical scheme.
A kind of two-stage solution dehumidification mixing hot and cold source utilizes composite air conditioner system, it is characterised in that:Including solution dehumidification again The raw circulatory system, a heat pump system, a solution cooler (3) and a solution heater (16);
The solution dehumidification regeneration cycle system is two-stage, and wherein first order solution dehumidification regeneration cycle includes the first dehumidifying Device (1), solution cooler (3), the first solution pump (4), the first solution heat exchanger (5) and the first regenerator (6);Described first The top solution spraying entrance of dehumidifier (1) brings out mouth with the solution of the solution cooler (3) and is connected, first dehumidifier (1) bottom solution outlet is connected to the dilute solution inlet of first solution heat exchanger (5);First regenerator (6) Top solution spraying import be connected to the solution condenser (8) of heat pump system, the bottom solution of first regenerator (6) goes out Mouth connects the concentrated solution import of first solution heat exchanger (5);The weak solution outlet of first solution heat exchanger (5) The solution inlet port of the solution condenser (8) is connected to, the concentrated solution outlet of first solution heat exchanger (5) is connected to institute The solution end import of solution cooler (3) is stated, the concentrated solution port of export and the solution of first solution heat exchanger (5) are cold But the first solution pump (4) is equipped between the solution end import of device (3)
Compressor (7) that the heat pump system is linked in sequence by refrigerant line, solution condenser (8), aerial condenser (9), throttling set (10) and evaporator (11) composition;Wherein, the solution condenser (8) and the aerial condenser (9) string Connection connects, and is additionally provided with the second wind turbine (12) at the air intlet of the aerial condenser (9), the air of aerial condenser (9) goes out Mouth is communicated with the air intlet of first regenerator (6);
Second level solution dehumidification regeneration cycle includes the second dehumidifier (13), the in the solution dehumidification regeneration cycle system Two solution pumps (14), the second solution heat exchanger (15), solution heater (16) and Second reactivator (17);
Wherein, the top solution spraying entrance of second dehumidifier (13) brings out mouth with the solution of the evaporator (11) Be connected, the outlet of the bottom solution of second dehumidifier (13) be connected to the weak solution of second solution heat exchanger (15) into Mouthful;The solution that the top solution spraying import of the Second reactivator (17) is connected to the solution heater (16) brings out mouth, The bottom solution outlet of the Second reactivator (17) connects the concentrated solution import of second solution heat exchanger (15);It is described The weak solution outlet of second solution heat exchanger (15) is connected to the solution end import of the solution heater (16), and described second The concentrated solution outlet of solution heat exchanger (15) is connected to the solution end import of the evaporator (11), and the second solution heat is handed over Second solution pump (14) is equipped between the solution end import of the concentrated solution port of export and the evaporator (11) of parallel operation (15); The air intlet of the Second reactivator (17) is equipped with the 3rd wind turbine (18);
Fresh air is handled successively by the first dehumidifier (1) and the second dehumidifier (13), the air intlet of the first dehumidifier (1) End is equipped with the first wind turbine (2), and the air outlet slit of the first dehumidifier (1) is communicated with the air intlet of the second dehumidifier (13).
Further, cooling water end (W.E.) uses in the solution cooler (3) of the first order solution dehumidification regeneration cycle 30 DEG C or so of conventional chilling water, the regeneration heat source of first regenerator (6) is solution condenser (8) and aerial condenser (9) condensation heat provided;In the second level solution dehumidification regeneration cycle, the second dehumidifier (13) dehumidification solution input end Solution cooled down by the evaporator (11), the regeneration heat source of the Second reactivator (17) is solution heater (16) Water end (W.E.) used in less than 50 DEG C hot water provide.
Further, first dehumidifier (1) and the first order solution dehumidification regeneration cycle where the first regenerator (6) Using calcium chloride solution as cycle fluid;Second level solution where second dehumidifier (13) and Second reactivator (17) Dehumidifying regeneration cycle uses lithium chloride or lithium-bromide solution as cycle fluid.
It is molten mainly to include the first order using compound air-conditioning system for two-stage solution dehumidification mixing hot and cold source in the utility model Liquid dehumidifying regeneration cycle, second level solution dehumidification regeneration cycle and a heat pump cycle.Wherein, used in first order dehumidifier Room temperature calcium chloride solution carries out pre-dehumidified to fresh air, and dehumidifying circulation solution is dropped using 30 DEG C or so of room temperature cooling waters Temperature, the regeneration heat source of this grade dehumidifying regeneration cycle use the condensation heat that heat pump provides, and condensation heat is by circulation solution and regeneration air It brings into simultaneously in the first regenerator;Fresh air is carried out further using low temperature chlorination lithium or lithium-bromide solution in the dehumidifier of the second level Dehumidifying and cooling, the cooling of solution is undertaken by evaporator in this grade of solution cycle, and the regenerated heat of solution is by less than 50 DEG C Hot water provides.
In technical solutions of the utility model, the processing of fresh air is divided into hot and humid and two sections of high temperature low humidity, and high temperature is high Wet fresh air is handled by room temperature calcium chloride solution, and the fresh air of high temperature low humidity is handled by low temperature chlorination lithium solution or lithium-bromide solution. This is because the steam partial pressure of hot and humid air is very high, the steam partial pressure of the calcium chloride solution of room temperature is just low In the numerical value of hot and humid air, so It is not necessary to using the stronger cryogenic fluid of dehumidifying effect, and calcium chloride solution Price is far below lithium chloride and lithium-bromide solution, so more economical using calcium chloride solution to the preliminary dehumidifying of hot and humid air Rationally, 30 DEG C of the free cooling water that cooling tower is used to provide at this time, further saves the energy;Hot and humid sky By after preliminary treatment, water capacity is greatly reduced gas, and the calcium chloride solution that dehumidifying room temperature is further carried out to air cannot It meets the requirements, it is necessary to use the stronger lithium chloride of dehumidifying effect or lithium-bromide solution and it is necessary to using cryogenic fluid come to sky Gas cools down, and the solution of the Xun Huan of second level dehumidifying at this time, which cools down, cannot use conventional low-temperature receiver, and the steaming for needing cooling temperature lower Device is sent out to provide, but the moisture removal of the second dehumidifying cycle is actually less than first order dehumidifying cycle, so this grade of solution Regeneration heat requirements are also smaller, therefore residual heat resources in less than 50 DEG C of building may be employed.
Advantageous effect:
1st, the fresh air humiture processing procedure of the utility model is using the two-stage treatment pattern for dividing humiture area, different air Humiture area is handled using the different dehumidification solutions of corresponding parameter, realize Fresh air handing process thermodynamic optimization it is same When reasonably used Cooling and Heat Source, improve the economy and energetic efficiency characteristic of entire air-conditioning system.
2nd, the utility model can realize that residual heat resources efficiently use in heat pump condensation heat and building, heat pump condensation heat by The solution condenser and aerial condenser of series connection are handled simultaneously, and the treatment effect of condensation heat obtains condensation temperature while enhancing It decreases, heat pump power consumption can be reduced;Residual heat resources can supply the second dehumidifying regeneration cycle for solution in building Regeneration, rationally make use of air-conditioning system resource.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Have in Fig. 1:First dehumidifier 1, the first wind turbine 2, solution cooler 3, the first solution pump 4, the first solution heat exchange Device 5, the first regenerator 6, compressor 7, solution condenser 8, aerial condenser 9, throttling set 10, evaporator 11, the second wind turbine 12, the second dehumidifier 13, the second solution pump 14, second heat exchanger 15, solution heater 16, Second reactivator 17, the 3rd wind Machine 18.
Specific embodiment
Specific embodiment of the present utility model is further illustrated with reference to attached drawing 1.
A kind of two-stage solution dehumidification mixing hot and cold source of the utility model utilizes composite air conditioner system, mainly by two-stage solution The regeneration cycle system that dehumidifies and a heat pump system composition, while 3 He of solution cooler including providing additional Cooling and Heat Source One solution heater 16.
The Fresh air handing process of the system uses the pattern in two fraction humiture areas.Fresh air passes through the first dehumidifier successively 1 and second dehumidifier 13 handle, the air intlet end of the first dehumidifier 1 is equipped with the first wind turbine 2, and the air of the first dehumidifier 1 Outlet is communicated with the air intlet of the second dehumidifier 13.
In system, first order solution dehumidification regeneration cycle include the first dehumidifier 1, solution cooler 3, the first solution pump 4, First solution heat exchanger 5 and the first regenerator 6.Specifically building mode is:The top solution spraying entrance of first dehumidifier 1 with The solution of solution cooler 3 brings out mouth and is connected, and the bottom solution outlet of the first dehumidifier 1 is connected to the first solution heat exchanger 5 Dilute solution inlet;The top solution spraying import of first regenerator 6 is connected to the solution condenser 8 of heat pump system, and first again The concentrated solution import of the first solution heat exchanger 5 of bottom solution outlet connection of raw device 6;First solution heat exchanger 5 it is dilute molten Liquid exports the solution inlet port for being connected to solution condenser 8, and the concentrated solution outlet of the first solution heat exchanger 5 is connected to solution cooling The solution end import of device 3, between the solution end import of the concentrated solution port of export and solution cooler 3 of the first solution heat exchanger 5 Equipped with the first solution pump 4.The low-temperature receiver used in solution cooling 3 is 30 DEG C or so of conventional chilling water.First order solution dehumidification is again The working medium used in raw Xun Huan is calcium chloride solution.
In the heat pump system, refrigerant line be linked in sequence compressor 7, solution condenser 8, aerial condenser 9, section Flow device 10 and evaporator 11.Wherein, solution condenser 8 and aerial condenser 9 are connected in series, the air of aerial condenser 9 into The second wind turbine 12 is equipped at mouthful, the air outlet slit of aerial condenser (9) is communicated with the air intlet of the first regenerator (6).
It is molten to include the second dehumidifier 13, the second solution pump 14, second for solution dehumidification regeneration cycle in the second level in the system Liquid heat exchanger 15, solution heater 16 and Second reactivator 17.The building mode having is:The top of second dehumidifier 13 is molten Liquid spray inlet brings out mouth with the solution of the evaporator 11 of heat pump and is connected, and the outlet of the bottom solution of the second dehumidifier 13 is connected to the The dilute solution inlet of two solution heat exchangers 15;The top solution spraying import of Second reactivator 17 is connected to solution heater 16 Solution bring out mouth, the concentrated solution import of the second solution heat exchanger 15 of bottom solution outlet connection of Second reactivator 17;The The weak solution outlet of two solution heat exchangers 15 is connected to the solution end import of solution heater 16, the second solution heat exchanger 15 Concentrated solution outlet be connected to the solution end import of evaporator 11, the concentrated solution port of export of the second solution heat exchanger 15 and evaporation The second solution pump 14 is equipped between the solution end import of device 11;The air intlet of Second reactivator 17 is equipped with the 3rd wind turbine 18.Its In, the heat source used in solution heater (16) is 50 DEG C or so of building remaining hot water, is used in the second dehumidifying regeneration cycle Working medium is the stronger lithium chloride of dehumidifying effect or lithium-bromide solution.
The utility model at least has the following advantages that:
1st, the fresh air humiture processing procedure of the utility model is using the two-stage treatment pattern for dividing humiture area, different air Humiture area is handled using the different dehumidification solutions of corresponding parameter, realize Fresh air handing process thermodynamic optimization it is same When reasonably used Cooling and Heat Source, improve the economy and energetic efficiency characteristic of entire air-conditioning system.
2nd, the utility model can realize that residual heat resources efficiently use in heat pump condensation heat and building, heat pump condensation heat by The solution condenser and aerial condenser of series connection are handled simultaneously, and the treatment effect of condensation heat obtains condensation temperature while enhancing It decreases, heat pump power consumption can be reduced;Residual heat resources can supply the second dehumidifying regeneration cycle for solution in building Regeneration, rationally make use of air-conditioning system resource.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (3)

1. a kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system, it is characterised in that:Including solution dehumidification again The raw circulatory system, a heat pump system, a solution cooler (3) and a solution heater (16);
The solution dehumidification regeneration cycle system is two-stage, and wherein first order solution dehumidification regeneration cycle includes the first dehumidifier (1), solution cooler (3), the first solution pump (4), the first solution heat exchanger (5) and the first regenerator (6);Described first removes The top solution spraying entrance of wet device (1) brings out mouth with the solution of the solution cooler (3) and is connected, first dehumidifier (1) bottom solution outlet is connected to the dilute solution inlet of first solution heat exchanger (5);First regenerator (6) Top solution spraying import be connected to the solution condenser (8) of heat pump system, the bottom solution of first regenerator (6) goes out Mouth connects the concentrated solution import of first solution heat exchanger (5);The weak solution outlet of first solution heat exchanger (5) The solution inlet port of the solution condenser (8) is connected to, the concentrated solution outlet of first solution heat exchanger (5) is connected to institute The solution end import of solution cooler (3) is stated, the concentrated solution port of export and the solution of first solution heat exchanger (5) are cold But the first solution pump (4) is equipped between the solution end import of device (3)
Compressor (7) that the heat pump system is linked in sequence by refrigerant line, solution condenser (8), aerial condenser (9), Throttling set (10) and evaporator (11) composition;Wherein, the solution condenser (8) and the aerial condenser (9) series connection connect Connect, be additionally provided with the second wind turbine (12) at the air intlet of the aerial condenser (9), the air outlet slit of aerial condenser (9) with The air intlet of first regenerator (6) communicates;
Second level solution dehumidification regeneration cycle includes the second dehumidifier (13), second molten in the solution dehumidification regeneration cycle system Liquid pump (14), the second solution heat exchanger (15), solution heater (16) and Second reactivator (17);
Wherein, the top solution spraying entrance of second dehumidifier (13) and the solution of the evaporator (11) bring out a mouthful phase Even, the outlet of the bottom solution of second dehumidifier (13) be connected to the weak solution of second solution heat exchanger (15) into Mouthful;The solution that the top solution spraying import of the Second reactivator (17) is connected to the solution heater (16) brings out mouth, The bottom solution outlet of the Second reactivator (17) connects the concentrated solution import of second solution heat exchanger (15);It is described The weak solution outlet of second solution heat exchanger (15) is connected to the solution end import of the solution heater (16), and described second The concentrated solution outlet of solution heat exchanger (15) is connected to the solution end import of the evaporator (11), and the second solution heat is handed over Second solution pump is equipped between the solution end import of the concentrated solution port of export and the evaporator (11) of parallel operation (15) (14);The air intlet of the Second reactivator (17) is equipped with the 3rd wind turbine (18);
Fresh air is handled successively by the first dehumidifier (1) and the second dehumidifier (13), and the air intlet end of the first dehumidifier (1) is set There is the first wind turbine (2), and the air outlet slit of the first dehumidifier (1) is communicated with the air intlet of the second dehumidifier (13).
2. a kind of two-stage solution dehumidification mixing hot and cold source according to claim 1 utilizes compound air-conditioning system, feature It is:Cooling water end (W.E.) uses 30 DEG C or so normal in the solution cooler (3) of the first order solution dehumidification regeneration cycle Cooling water is advised, the regeneration heat source of first regenerator (6) is solution condenser (8) and the condensation of aerial condenser (9) offer Heat;In the second level solution dehumidification regeneration cycle, the solution of the second dehumidifier (13) dehumidification solution input end relies on institute It states evaporator (11) to be cooled down, the regeneration heat source of the Second reactivator (17) is used by the water end (W.E.) of solution heater (16) Less than 50 DEG C of hot water provide.
3. a kind of two-stage solution dehumidification mixing hot and cold source according to claim 1 utilizes compound air-conditioning system, feature It is:First order solution dehumidification regeneration cycle where first dehumidifier (1) and the first regenerator (6) is molten using calcium chloride Liquid is as cycle fluid;Second level solution dehumidification regeneration cycle where second dehumidifier (13) and Second reactivator (17) Using lithium chloride or lithium-bromide solution as cycle fluid.
CN201720651515.7U 2017-06-06 2017-06-06 A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system Active CN207395044U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506305A (en) * 2018-10-12 2019-03-22 南昌大学 One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification
CN110986486A (en) * 2019-11-07 2020-04-10 浙江工业大学 Closed cycle drying system based on two-stage solution dehumidification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506305A (en) * 2018-10-12 2019-03-22 南昌大学 One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification
CN110986486A (en) * 2019-11-07 2020-04-10 浙江工业大学 Closed cycle drying system based on two-stage solution dehumidification

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Address after: 215, room 8, creative research center, 213000 West Road, Yan Meng Town, Wujin District, Changzhou, Jiangsu

Patentee after: GREY INTELLIGENT HABITAT ENVIRONMENTAL TECHNOLOGY (JIANGSU) Co.,Ltd.

Address before: 215, room 8, creative research center, 213000 West Road, Yan Meng Town, Wujin District, Changzhou, Jiangsu

Patentee before: JIANGSU GERUILIDE AIR CONDITIONING REFRIGERATION EQUIPMENT Co.,Ltd.