CN109506305A - One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification - Google Patents

One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification Download PDF

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Publication number
CN109506305A
CN109506305A CN201811193669.1A CN201811193669A CN109506305A CN 109506305 A CN109506305 A CN 109506305A CN 201811193669 A CN201811193669 A CN 201811193669A CN 109506305 A CN109506305 A CN 109506305A
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solution
air
cacl
licl
regenerator
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CN109506305B (en
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彭冬根
曹卓
程小松
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Nanchang Univ
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Nanchang Univ
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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
    • F24F3/147Air-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 with both heat and humidity transfer between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • 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
    • F24F2003/1458Air-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

Abstract

The present invention provides one kind to be based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification, the system include CaCl2Solution circulation loop, LiCl solution circulation loop, level-one regeneration air circulation loop, secondary regenerator air circulation loop, dehumidified air circulation loop, level-one cooling water circulation loop and secondary cooling water circulation loop.Present invention utilizes the relatively high outdoor airs of temperature to produce the relatively high cooling water of temperature to CaCl by cooling tower2Dehumidifier entrance solution cools down, and produces the relatively low cooling water of temperature by cooling tower using the relatively low indoor exhaust wind of temperature and humidity and cools down to LiCl dehumidifier import solution, while the CaCl relatively high using temperature2After solution carries out a cool-down dehumidification processing to outdoor fresh air, dehumidification treatments are cooled down twice to fresh air using temperature lower LiCl solution, also with CaCl2Solution circulation produces the regeneration air of LiCl solution circulation, realizes double-stage high-efficient Fresh air handing.

Description

One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification
Technical field
The invention belongs to air conditioning and Architectural Equipment field of energy-saving technology, are specifically related to a kind of based on CaCl2/LiCl The fresh air treatment system of twin-stage solution dehumidification.
Background technique
With the increasingly diversification of building function, requirement of the people to indoor environment is continuously improved, especially for satisfaction Comfort level requirement requires also to be increasingly stringenter to the heat and wet treatment of indoor fresh air.Wherein, traditional refrigerated dehumidification is because being easy Condensation or frosting and the heat transfer coefficient of coil pipe and the working performance of air-conditioning system can be reduced.And solution dehumidification technology can use Salting liquid with hygroscopic nature removes the moisture in air, not only has simple structure, optimization air quality, using low-grade The advantages that heat source drives, and condensation frosting will not be led to the problem of.But single-stage solution dehumidification system needs higher temperature It regenerates heat source and is difficult to meet new wind-heat humidity load processing needs.
Summary of the invention
For the above-mentioned prior art, the technical problem to be solved in the present invention is that providing a kind of based on CaCl2/ LiCl twin-stage The fresh air treatment system of solution dehumidification needs high temperature regeneration heat source and to be difficult to realize depth to improve single-stage solution dehumidification system The problem of dehumidifying.
In order to solve the above technical problems, the present invention provides one kind to be based on CaCl2At the fresh air of/LiCl twin-stage solution dehumidification Reason system, including CaCl2Solution circulation loop, LiCl solution circulation loop, level-one regeneration air circulation loop, secondary regenerator are empty Gas circulation loop, dehumidified air circulation loop, level-one cooling water circulation loop and secondary cooling water circulation loop;
The CaCl2In solution circulation loop: CaCl2The taphole of solution regenerator passes sequentially through the first solvent valve, One solution pump, the first solution heat regenerator are connect with the solution inlet of the first solution-water heat exchanger, the first solution-water The taphole of heat exchanger passes through the second solvent valve and the 4th solvent valve and the first CaCl respectively2Solution moisture removing device and second CaCl2The solution inlet of solution moisture removing device connects, the first CaCl2The taphole of solution moisture removing device and third solvent valve Solution inlet connection, the 2nd CaCl2The taphole of solution moisture removing device is molten by the 5th solvent valve and third solution pump The taphole of the connection of liquid entrance, the third solvent valve and third solution pump passes sequentially through the second solution pump, the first solution Heat regenerator, the first hot-water heater and CaCl2The solution inlet of solution regenerator connects so that CaCl2Solution is completed dehumidifying and is followed Ring;
In the LiCl solution circulation loop: the taphole of LiCl solution regenerator passes sequentially through the 6th solvent valve, Four solution pumps, the second solution heat regenerator, the second solution-water heat exchanger are connect with the solution inlet of LiCl solution moisture removing device, The taphole of the LiCl solution moisture removing device passes sequentially through the 9th solvent valve, the 7th solution pump, the second solution heat regenerator, Two hot-water heaters are connect with the solution inlet of LiCl solution regenerator so that LiCl solution completes dehumidifying circulation;
In the level-one regeneration air circulation loop: outdoor air passes sequentially through air hose A, the first air heat regenerator, Two blowers and the CaCl2The air intake of solution regenerator connects, the CaCl2The air outlet slit of solution regenerator passes through the One air heat regenerator connect with air hose B and waste heat air is discharged from air hose B so that air completes primary cycle;
In the secondary regenerator air circulation loop: outdoor air enters air hose E by air hose G, and the air hose E successively leads to Cross the second air heat regenerator, air hose F and the 2nd CaCl2The air intake connection of solution moisture removing device is empty to form regeneration Gas, the 2nd CaCl2The air outlet slit of solution moisture removing device passes sequentially through air hose C, the second air heat regenerator, air hose D, first Blower is connect with the air intake of the LiCl solution regenerator, the air outlet slit and the air hose of the LiCl solution regenerator E connection is so that regeneration air recycles;
In the dehumidified air circulation loop: the first CaCl2The air intake connection fresh air of solution moisture removing device, described first CaCl2The air outlet slit of solution moisture removing device is connect with the air intake of the LiCl solution moisture removing device so that air is completed level-one and removed Wet circulation;The low temperature and low humidity air of quality needed for the air outlet slit of the LiCl solution moisture removing device is sent out is to interior so that air is complete It dehumidifies and recycles at second level;
In the level-one cooling water circulation loop: the cooling water outlet of a grade cooling tower passes sequentially through the first water valve, first Water pump, the first solution-water heat exchanger are connect with the cooling water inlet of a grade cooling tower, the air intake of a grade cooling tower Outdoor air is connected by blower;
In the secondary cooling water circulation loop: the cooling water outlet of two grade cooling towers passes sequentially through the second water valve, second Water pump, the second solution-water heat exchanger are connect with the cooling water inlet of two grade cooling towers, the air intake of two grade cooling tower Indoor exhaust wind is connected by blower.
Compared with the prior art, the beneficial effects of the present invention are:
1, the present invention is first using the CaCl of higher temperature2Solution once dehumidifies to fresh air, removes high temperature and humidity Then the damp and hot load in the part of fresh air carries out the fresh air after above-mentioned primary dehumidifying using the LiCl solution of lower temperature secondary Dehumidifying provides the purpose of low temperature and low humidity fresh air to reach depth dehumidifying.
2, the present invention can produce low-temperature cooling water using the lower indoor exhaust wind of temperature, and it is lower that temperature can be obtained in this way The import solution of LiCl solution moisture removing device further decreases fresh air water capacity to improve the effect on moisture extraction of LiCl solution.
3, the present invention is by setting twin-stage solution dehumidification system, and compared with single-stage solution dehumidification system, this system can be slightly Micro- sacrifice CaCl2The wet-out property of solution can reduce the heat source temperature of the first hot-water heater in this way;The 2nd CaCl is utilized simultaneously2 Solution moisture removing device produces the low-down regeneration air of water capacity, and LiCl solution regenerator can be improved in renewable LiCl solution in this way Regeneration efficiency, reduce the second hot-water heater heat source temperature, thus make this system need heat source temperature than single-stage solution The heat source temperature of dehumidification system is low.
Detailed description of the invention
Fig. 1 is that the present invention is a kind of based on CaCl2The structural representation of the fresh air treatment system of/LiCl twin-stage solution dehumidification Figure.
It illustrates: CaCl2Solution regenerator 1, the first solvent valve v-1, the first solution pump p-1, the first solution recuperation of heat Device ss-1, the second solvent valve v-2, the first CaCl2Solution moisture removing device 2, the 2nd CaCl2Solution moisture removing device 3, third solvent valve v-3, Second solution pump p-2, the first hot-water heater H1, the 4th solvent valve v-4, the 5th solvent valve v-5, third solution pump p-3, air hose A, the second blower 7, the first air heat regenerator aa-1, air hose B, LiCl solution regenerator 4, the 6th solvent valve v-6, the 4th solution Pump p-4, the second solution heat regenerator ss-2, the second solution-water heat exchanger sw-2, LiCl solution moisture removing device 5, the 9th solvent valve V-9, the 7th solution pump p-7, the second hot-water heater H2, air hose C, the second air heat regenerator aa-2, air hose D, the first blower 6, air hose E, air hose F, a grade cooling tower 7, the first water valve w-1, the first water pump w-2, the first solution-water heat exchanger sw-1, the Two blowers 9, two grade cooling towers 8, the second water valve w-3, the second water pump w-4, the second solution-water heat exchanger sw-2, third blower 10。
Specific embodiment
The present invention is further described with preferred embodiment with reference to the accompanying drawing.
CaCl is based on as shown in Figure 1 for the present invention is a kind of2The fresh air treatment system of/LiCl twin-stage solution dehumidification, including CaCl2Solution circulation loop, LiCl solution circulation loop, level-one regeneration air circulation loop, secondary regenerator air circulation loop, Dehumidified air circulation loop, level-one cooling water circulation loop and secondary cooling water circulation loop.
CaCl2In solution circulation loop, CaCl2The taphole of solution regenerator 1 passes sequentially through the first solvent valve v-1, One solution pump p-1, the first solution heat regenerator ss-1 are connect with the solution inlet of the first solution-water heat exchanger sw-1, and first Solution-water heat exchanger sw-1 taphole passes through the second solvent valve v-2 and the 4th solvent valve v-4 and the first CaCl respectively2 Solution moisture removing device 2 and the 2nd CaCl2The solution inlet of solution moisture removing device 3 connects, the first CaCl2The taphole of solution moisture removing device 2 It is connect with the solution inlet of third solvent valve v-3, the 2nd CaCl2The taphole of solution moisture removing device 3 passes through the 5th solvent valve v-5 It is connect with the solution inlet of third solution pump p-3, the taphole of third solvent valve v-3 and third solution pump p-3 successively lead to Cross the second solution pump p-2, the first solution heat regenerator ss-1, the first hot-water heater H1 and CaCl2The solution of solution regenerator 1 Entrance connects so that CaCl2Solution completes dehumidifying circulation.
In LiCl solution circulation loop, the taphole of LiCl solution regenerator 4 passes sequentially through the 6th solvent valve v-6, Four solution pump p-4, the second solution heat regenerator ss-2, the second solution-water heat exchanger sw-2 and LiCl solution moisture removing device 5 it is molten The connection of liquid entrance, the taphole of LiCl solution moisture removing device 5 pass sequentially through the 9th solvent valve v-9, the 7th solution pump p-7, second Solution heat regenerator ss-2, the second hot-water heater H2 is connect with the solution inlet of LiCl solution regenerator 4 so that LiCl solution Complete dehumidifying circulation.
In level-one regeneration air circulation loop, outdoor air passes sequentially through air hose A, the first air heat regenerator aa-1, Two blowers 7 and CaCl2The air intake of solution regenerator 1 connects, CaCl2The air outlet slit of solution regenerator 1 passes through the first air Heat regenerator aa-1 is discharged from air hose B, the first CaCl2The air intake of solution moisture removing device 2 connects fresh air, the first CaCl2Solution removes The air outlet slit of wet device 2 is connect with the air intake of LiCl solution moisture removing device 5 so that air completes level-one dehumidifying circulation.
In secondary regenerator air circulation loop, outdoor air enters air hose E by air hose G, and air hose E passes sequentially through the second sky Gas heat regenerator aa-2, air hose F and the 2nd CaCl2The air intake connection of solution moisture removing device 3 is to form regeneration air, and second CaCl2The air outlet slit of solution moisture removing device 3 passes sequentially through air hose C, the second air heat regenerator aa-2, air hose D, the first blower 6 It is connect with the air intake of LiCl solution regenerator 4, the air outlet slit of LiCl solution regenerator 4 is connect so as to regenerate with air hose E Air circulation, the low temperature and low humidity air of quality needed for the air outlet slit of LiCl solution moisture removing device 5 is sent out is to interior so that air is complete It dehumidifies and recycles at second level.
In dehumidified air circulation loop, outdoor fresh air passes first into the first CaCl2Solution moisture removing device 2 is once dehumidified, After be passed through LiCl solution moisture removing device 5 and carry out secondary dehumidifying, be sent into indoor.
In level-one cooling water circulation loop, the cooling water outlet of a grade cooling tower 8 passes sequentially through the first water valve w-1, first Water pump w-2, the first solution-water heat exchanger sw-1 are connect with the cooling water inlet of a grade cooling tower 8, the sky of a grade cooling tower 8 Gas entrance connects outdoor air by blower.
In secondary cooling water circulation loop, the cooling water outlet of two grade cooling towers 9 passes sequentially through the second water valve w-3, second Water pump w-4, the second solution-water heat exchanger sw-2 are connect with the cooling water inlet of two grade cooling towers 9;The sky of two grade cooling towers 9 Gas entrance connects indoor exhaust wind by blower.
Working principle of the present invention is as follows:
In CaCl2In solution circulation loop, CaCl is come from2The CaCl of 1 bottom of solution regenerator2Concentrated solution can first pass around First solution heat regenerator ss-1 with come from the first CaCl2The CaCl of 2 bottom of solution moisture removing device2Weak solution exchanges heat, and makes CaCl2Solution temperature decreases, and is then passed through the first solution-water heat exchanger sw-1 and the cooling from a grade cooling tower 8 Water exchanges heat, and makes CaCl2The temperature of solution further decreases, subsequently into the first CaCl2Solution moisture removing device 2 and the 2nd CaCl2 Solution moisture removing device 3 can make the first CaCl after cooling down twice2CaCl in solution moisture removing device 22Solution to the effect on moisture extraction of fresh air more It is good, while the 2nd CaCl can be made2CaCl in solution moisture removing device 32Solution is removed to the regeneration air in secondary air circulation loop Wet effect is also more preferably;CaCl after dehumidifying2Solution enters back into the first heat after the first solution heat regenerator ss-1 tentatively heats up Water heater H1 exchanges heat, and can make CaCl after heating up twice2The power of regeneration of solution improves;CaCl after heating2Solution is last Into CaCl2Outdoor air in solution regenerator 1 and main air circulation loop, which carries out heat exchange mass transfer, becomes CaCl2Concentrated solution, Complete CaCl2Solution circulation.
In LiCl solution circulation loop, the LiCl concentrated solution from 4 bottom of LiCl solution regenerator can first pass around Two solution heat regenerator ss-2 exchange heat with the LiCl weak solution from 5 bottom of the first LiCl dehumidifier, make LiCl solution temperature Degree decreases, and is then passed through the second solution-water heat exchanger sw-2 and exchanges heat with the cooling water from two grade cooling towers 9, The temperature of LiCl solution is further decreased, subsequently into LiCl solution moisture removing device 5, LiCl solution dehumidification can be made after cooling down twice LiCl solution in device 5 to the effect on moisture extraction of the fresh air after primary dehumidifying more preferably;LiCl solution after dehumidifying passes through the second solution Heat regenerator ss-2 enters back into the second hot-water heater H2 and exchanges heat after tentatively heating up, can make LiCl solution after heating up twice Power of regeneration improves;LiCl solution after heating finally enters in LiCl solution regenerator 4 and secondary air circulation loop again Raw air, which carries out heat exchange mass transfer, becomes LiCl concentrated solution, completes LiCl solution circulation.In the process, due to cooling from level-one The cooling water of tower 8 be exchange heat with the higher outdoor air of temperature, and the cooling water from two grade cooling towers 9 be with temperature compared with Low indoor exhaust wind exchanges heat, therefore the temperature of the cooling water from two grade cooling towers 9 is than the cooling water from a grade cooling tower 8 Temperature it is lower, can make the LiCl solution in LiCl solution moisture removing device 5 than the first CaCl in this way2CaCl in solution moisture removing device 22 Solution temperature is lower, to make 5 to the one CaCl of LiCl solution moisture removing device2The dehumidifying effect of solution moisture removing device 2 is more preferable, to fresh air Effect on moisture extraction more preferably, be finally reached depth dehumidifying purpose.
In the air circulation loop of regenerator side, the outdoor air in main air circulation loop can be by the first air warm Enter CaCl after recover aa-1 heat exchange heating2Solution regenerator 1 and CaCl2CaCl in solution regenerator 12Weak solution carries out Exchange heat mass transfer, then from CaCl2Waste heat air is discharged in solution regenerator 1;Outdoor air in secondary air circulation loop can be through Enter the 2nd CaCl after crossing the second air heat regenerator aa-2 heat exchange heating2Solution moisture removing device 3 and the 2nd CaCl2Solution moisture removing device 3 In CaCl2Concentrated solution carries out heat exchange mass transfer, and the regeneration air after cool-down dehumidification is changed using the second air heat regenerator aa-2 The LiCl weak solution entered in LiCl solution regenerator 4 and LiCl solution regenerator 4 after heat heating carries out heat exchange mass transfer, makes LiCl LiCl weak solution in solution regenerator 4 becomes LiCl concentrated solution, realizes the regeneration of LiCl solution and the circulation of regeneration air.
In the air circulation loop of dehumidifier side, fresh air can enter the first CaCl2Solution moisture removing device 2 and the first CaCl2Solution CaCl in dehumidifier 22Concentrated solution carries out heat exchange mass transfer, fresh air temperature and humidity is reduced, subsequently into LiCl solution moisture removing device 5 Heat exchange mass transfer is carried out with the LiCl concentrated solution in LiCl solution moisture removing device 5, further decreases fresh air temperature and humidity, it finally will be low Warm low humidity fresh air is sent into indoor.
The above only expresses the preferred embodiment of the present invention, and the description thereof is more specific and detailed, but can not be because This and be interpreted as limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, Under the premise of not departing from present inventive concept, several deformations can also be made, improves and substitutes, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (1)

1. one kind is based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification, it is characterised in that: including CaCl2Solution follows Loop back path, LiCl solution circulation loop, level-one regeneration air circulation loop, secondary regenerator air circulation loop, dehumidified air are followed Loop back path, level-one cooling water circulation loop and secondary cooling water circulation loop;
The CaCl2In solution circulation loop: CaCl2The taphole of solution regenerator (1) passes sequentially through the first solvent valve (v- 1), the first solution pump (p-1), the first solution heat regenerator (ss-1) and the first solution-water heat exchanger (sw-1) solution enter Mouthful connection, the taphole of the first solution-water heat exchanger (sw-1) pass through the second solvent valve (v-2) and the 4th molten respectively Liquid valve (v-4) and the first CaCl2Solution moisture removing device (2) and the 2nd CaCl2The solution inlet of solution moisture removing device (3) connects, and described the One CaCl2The taphole of solution moisture removing device (2) is connect with the solution inlet of third solvent valve (v-3), the 2nd CaCl2It is molten The taphole of liquid dehumidifier (3) is connect by the 5th solvent valve (v-5) with the solution inlet of third solution pump (p-3), described The taphole of third solvent valve (v-3) and third solution pump (p-3) passes sequentially through the second solution pump (p-2), the first solution Heat regenerator (ss-1), the first hot-water heater (H1) and CaCl2The solution inlet of solution regenerator (1) connects so that CaCl2It is molten Liquid completes dehumidifying circulation;
In the LiCl solution circulation loop: the taphole of LiCl solution regenerator (4) passes sequentially through the 6th solvent valve (v- 6), the 4th solution pump (p-4), the second solution heat regenerator (ss-2), the second solution-water heat exchanger (sw-2) and LiCl solution The solution inlet of dehumidifier (5) connects, and the taphole of the LiCl solution moisture removing device (5) passes sequentially through the 9th solvent valve (v- 9), the 7th solution pump (p-7), the second solution heat regenerator (ss-2), the second hot-water heater (H2) and LiCl solution regenerator (4) solution inlet connects so that LiCl solution completes dehumidifying circulation;
In the level-one regeneration air circulation loop: outdoor air pass sequentially through air hose A, the first air heat regenerator (aa-1), Second blower (7) and the CaCl2The air intake of solution regenerator (1) connects, the CaCl2The air of solution regenerator (1) Outlet is connect with air hose B by the first air heat regenerator (aa-1) and waste heat air is discharged from air hose B so that air completes one Grade circulation;
In the secondary regenerator air circulation loop: outdoor air enters air hose E by air hose G, and the air hose E passes sequentially through Two air heat regenerators (aa-2), air hose F and the 2nd CaCl2The air intake of solution moisture removing device (3) is connected to be formed again Raw air, the 2nd CaCl2The air outlet slit of solution moisture removing device (3) passes sequentially through air hose C, the second air heat regenerator (aa- 2), air hose D, the first blower (6) are connect with the air intake of the LiCl solution regenerator (4), the LiCl solution regenerator (4) air outlet slit is connect with the air hose E so that regeneration air recycles;
In the dehumidified air circulation loop: the first CaCl2The air intake connection fresh air of solution moisture removing device (2), described first CaCl2The air outlet slit of solution moisture removing device (2) is connect with the air intake of the LiCl solution moisture removing device (5) so that air is completed Level-one dehumidifying circulation;The low temperature and low humidity air of quality needed for the air outlet slit of the LiCl solution moisture removing device (5) is sent out is to interior So that air completes second level dehumidifying circulation;
In the level-one cooling water circulation loop: the cooling water outlet of a grade cooling tower (8) pass sequentially through the first water valve (w-1), First water pump (w-2), the first solution-water heat exchanger (sw-1) are connect with the cooling water inlet of a grade cooling tower (8), and described one The air intake of grade cooling tower (8) connects outdoor air by blower;
In the secondary cooling water circulation loop: the cooling water outlet of two grade cooling towers (9) pass sequentially through the second water valve (w-3), Second water pump (w-4), the second solution-water heat exchanger (sw-2) are connect with the cooling water inlet of two grade cooling towers (9), and described two The air intake of grade cooling tower (9) connects indoor exhaust wind by blower.
CN201811193669.1A 2018-10-12 2018-10-12 Based on CaCl2Fresh air processing system for/LiCl double-stage solution dehumidification Active CN109506305B (en)

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CN109506305B CN109506305B (en) 2020-04-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261702A (en) * 2011-05-28 2011-11-30 浙江理工大学 Dual-effect solution dehumidification fresh air unit
CN106765770A (en) * 2016-12-30 2017-05-31 东南大学 A kind of efficient fresh air conditioner processing unit and method condensed with solution fractionation dehumidifying
CN207395044U (en) * 2017-06-06 2018-05-22 江苏格瑞力德空调制冷设备有限公司 A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system
JP2018118246A (en) * 2017-01-26 2018-08-02 ダイキン工業株式会社 Humidity controller
US20180259203A1 (en) * 2015-11-24 2018-09-13 Southeast University Independent temperature and humidity processing air conditioning system driven by low-level thermal energy

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261702A (en) * 2011-05-28 2011-11-30 浙江理工大学 Dual-effect solution dehumidification fresh air unit
US20180259203A1 (en) * 2015-11-24 2018-09-13 Southeast University Independent temperature and humidity processing air conditioning system driven by low-level thermal energy
CN106765770A (en) * 2016-12-30 2017-05-31 东南大学 A kind of efficient fresh air conditioner processing unit and method condensed with solution fractionation dehumidifying
JP2018118246A (en) * 2017-01-26 2018-08-02 ダイキン工業株式会社 Humidity controller
CN207395044U (en) * 2017-06-06 2018-05-22 江苏格瑞力德空调制冷设备有限公司 A kind of two-stage solution dehumidification mixing hot and cold source utilizes compound air-conditioning system

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