CN200975755Y - Heating drive solution fresh air disposer with cooling water as cold source - Google Patents

Heating drive solution fresh air disposer with cooling water as cold source Download PDF

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Publication number
CN200975755Y
CN200975755Y CN 200620023083 CN200620023083U CN200975755Y CN 200975755 Y CN200975755 Y CN 200975755Y CN 200620023083 CN200620023083 CN 200620023083 CN 200620023083 U CN200620023083 U CN 200620023083U CN 200975755 Y CN200975755 Y CN 200975755Y
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China
Prior art keywords
module
solution
cooling
water
heat exchanger
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Expired - Fee Related
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CN 200620023083
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Chinese (zh)
Inventor
江亿
谢晓云
刘晓华
刘拴强
唐艺丹
陈晓阳
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BEIJING SINOREFINE AIR CONDITIONING TECHNOLOGY Co Ltd
Tsinghua University
Original Assignee
BEIJING SINOREFINE AIR CONDITIONING TECHNOLOGY Co Ltd
Tsinghua University
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Priority to CN 200620023083 priority Critical patent/CN200975755Y/en
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Publication of CN200975755Y publication Critical patent/CN200975755Y/en
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Abstract

The utility model relates to a fresh air processor with thermally driven solution, using cooling water as a cold source, and used in heating ventilation and air conditioning field, belonging to an energy technology field. The utility model is characterized in that: the processor is composed of an unit spraying module and a direct evaporative cooling device; the unit spraying module is provided with a plate heat exchanger 2, a gas-liquid direct contacting module A to D and a solution self-circulating pump 3; the direct evaporative cooling device is provided with a gas-liquid direct contacting module E and a pump 4; the solution self-circulating pumps in the unit spraying module respectively controls flow rate of the spraying solution in the module A to D, the internal flow rate of a strong solution among the module A to D is controlled by a system circulating pump; due to the utility model takes the latent heat of dehumidifying process away for the cold source by a cooling water 10, an adequate drying fresh air 8 can be produced by a strong solution 11 orderly going through the multi-dehumidifying modules and suitable supply air temperature can be obtained by indirect evaporative cooling technology, thus the adequate drying air supply with temperature close to room temperature can be obtained without external source.

Description

Utilize the thermal-drive solution ventilation processor of cooling water as low-temperature receiver
Technical field
What the present invention relates to that a kind of field of heating ventilation air conditioning uses utilizes the thermal-drive solution ventilation processor of cooling water as low-temperature receiver, belongs to energy technology field.
Background technology
The task of new blower fan group is exactly to realize the cool-down dehumidification process of summer to new wind, and winter is to the warming and humidifying processing procedure of new wind.In traditional air-conditioning system, adopt the dehumidification by condensation method, promptly use 7 ℃ chilled water the temperature of air to be reduced to the moisture that freeze-outs below the dew point by surface cooler, thereby to air dewetting.Because conventional new blower fan dehumidifying and cooling are carried out simultaneously, brought a lot of problems: refrigeration machine is operated under the low evaporating temperature situation, causes the refrigeration machine coefficient of performance lower; Temperature is low excessively though the air humidity behind the dehumidification by condensation meets the demands, thereby also needs heat to cause the waste of the energy sometimes again; Because the existence of condensate water, coil pipe etc. grow mould easily, cause indoor air quality to worsen; The humidification function in winter also needs other humidification apparatus to realize.
Liquid desiccant air conditioning has been realized the independent control of temperature and humidity in the air handling process.Its adopts the salting liquid with wettability power to absorb airborne steam, and by taking away humidity load to the indoor new wind of sending into sufficiently dry, and sensible heat load is by independently system's control in addition.The superiority that solution dehumidification is removed indoor latent heat load more and more is subjected to people's attention.Compare with conventional air-conditioning, can adopt low-temperature heat source to drive, save a large amount of electric energy; Can remove airborne dust, bacterium, mould and some other nuisances by the sprinkling of solution; Avoided using the coil pipe that condensate water is arranged, obviously improved indoor air quality; By the container of storage solutions, can realize accumulation of energy easily.Because the effect of cold water no longer is dehumidifying, temperature can improve, and do not adopt 7 ℃ of chilled waters of conventional air-conditioning, and the higher cooling water of serviceability temperature also can obtain good air supply parameter simultaneously.
The utility model content
It is low-temperature receiver with the cooling water that the purpose of this utility model provides a kind of, utilizes the fresh air processor of hygroscopic solution for cycle fluid.
A kind of thermal-drive solution ventilation processor that utilizes cooling water 10 as low-temperature receiver that the utility model proposes is characterized in that: described fresh air processor is made up of unit spray module and direct evaporation-cooled device two parts; Described unit spray module contains plate type heat exchanger (2), the direct contact modules of gas-liquid (A), (B), (C), (D) and solution self-circulating pump (3); Described direct evaporation-cooled device contains the direct contact modules of gas-liquid (E), water pump (4); Described in unit spray module, the solution self-circulating pump flow of the spray solution of control module (A), (B), (C), (D) inside is respectively arranged, and other has the interstage flow of a systemic circulation pump control concentrated solution 11 between module (A), (B), (C), (D); Described in each module, solution is under the driving of self-circulating pump (3), flow into plate type heat exchanger (2) from module bottom, flow down through liquid distributor then and soak filler, solution carries out the exchange of heat and quality with new wind 7 in filler, last solution is got back in the bottom liquid bath of module, finishes cyclic process.
In above-mentioned fresh air processor, described by 32 ℃ of cooling waters 10 that cooling tower provided, flow into plate type heat exchanger with parallel way, the cold of cooling water passes to the solution of opposite side by plate type heat exchanger (2), enters the solution temperature of module (A), (B), (C) liquid distributor with reduction.Hygroscopic solution under the spray directly contacts with new wind, new wind is by cool-down dehumidification, concentrated solution 11 with new wind counter-current flow is arranged to take away the moisture that from air, absorbs between module (A), (B), (C), (D), constantly reduce along the journey solution concentration, the weak solution 12 that is flowed out by module (A) needs concentrated regeneration just can reuse at last, and the hot water that adopts 70 ℃ is as the regeneration thermal source; Described for afterbody unit spray module (D), the cold water of cooling solution is obtained by the inner evaporative cooling process of module (E) in its plate type heat exchanger (2): the air after handling through (D), a part is as indoor air-supply 8, another fraction is incorporated in the module (E), direct water spray utilizes the evaporative cooling effect of moisture cold to be passed to the solution of opposite side by plate type heat exchanger (2) in the module (E), enter the solution temperature of module (D) liquid distributor with reduction, improve its dehumidifying effect.
In above-mentioned fresh air processor, it is characterized in that: described about 40 ℃ the flow of hot water that is provided by cooling tower is in the winter time gone into board-like heat exchanger.
The another kind that the utility model proposes utilizes the thermal-drive solution ventilation processor of cooling water 10 as low-temperature receiver, it is characterized in that: described unit is made up of apparatus for cooling by indirect evaporation two parts of unit spray module and outer cold mould; Described unit spray module contains the direct contact modules of gas-liquid (A), (B), (C), (D), plate type heat exchanger (2), solution self-circulating pump (3); The apparatus for cooling by indirect evaporation of described outer cold mould contains the direct contact modules of gas-liquid (F), aerial cooler (5), water pump (4); New wind after unit spray module is handled, enter the aerial cooler (1) of outer cold mould apparatus for cooling by indirect evaporation, the cold water cooling that in aerial cooler (1), is produced by module (F), major part is sent into indoor afterwards, fraction is introduced into and carries out direct evaporative cooling generation cold water in the module (F), finishes new wind by the process of dehumidifying and cooling.
Another that the utility model proposes utilized the thermal-drive solution ventilation processor of cooling water 10 as low-temperature receiver, it is characterized in that: described fresh air processor is made up of indirect evaporation refrigerating module (6) two parts of unit spray module and internally cooled; Described unit spray module contains the direct contact modules of gas-liquid (A), (B), (C), (D), plate type heat exchanger (2), solution self-circulating pump (3); The as a whole module of the apparatus for cooling by indirect evaporation of described internally cooled (6) finishes once in inside modules that air-supply is cooled, secondary air draft and the transpiration-cooled process of spray cold water.
Because the utility model utilizes cooling water 10 to take away dehumidification process latent heat for low-temperature receiver, utilizes concentrated solution 11 to handle out the new wind of sufficiently dry successively by multistage dehumidification module, adopts indirect evaporative cooling technology to obtain suitable wind pushing temperature simultaneously.Thereby do not need external source, promptly obtained the air-supply of sufficiently dry, temperature near room temperature.
Description of drawings
Fig. 1: flow process one, the fresh air processor group fundamental diagram in summer that utilizes the indirect evaporation cooling that solution is lowered the temperature.
Fig. 2: flow process two, outer cold mould indirect evaporation cooling fresh air processor group fundamental diagram in summer.
Fig. 3: flow process three, internally cooled indirect evaporation cooling fresh air processor group fundamental diagram in summer.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Ask for an interview Fig. 1~3.
The new blower fan group that realizes this performance has following three kinds of flow processs:
Flow process one: utilize the fresh air processor of indirect evaporation cooling to the solution cooling
This fresh air processor is made up of level Four unit spray module and the direct evaporation-cooled device two parts of one-level.Unit spray module is made up of four plate type heat exchangers 2, the direct contact modules A of gas-liquid, B, C, D and four solution self-circulating pumps.Directly evaporation-cooled device is formed (see figure 1) by a direct contact modules E of gas-liquid, parts such as water pump 4.
Its course of work is as follows:
In unit spray module, four solution self-circulating pumps flow of the spray solution of control module A, B, C, D inside is respectively arranged, other has the interstage flow of a systemic circulation pump control concentrated solution between modules A, B, C, D.In each module, solution flows into plate type heat exchanger 2 from module bottom under the driving of self-circulating pump 3, flow down through liquid distributor then and soak filler, solution carries out the exchange of heat and quality with new wind 7 in filler, last solution is got back in the bottom liquid bath of module, finishes cyclic process.Summer, by 32 ℃ of cooling waters 10 that cooling tower provided, flow into first three plate type heat exchanger of new wind flow direction respectively with parallel way, the cold of cooling water passes to the solution of opposite side by plate type heat exchanger 2, enter the solution temperature of modules A, B, C liquid distributor with reduction, thereby improve its dehumidifying effect, the latent heat of taking away dehumidification process simultaneously and being discharged.Hygroscopic solution under the spray directly contacts with new wind 7, new wind is by cool-down dehumidification, concentrated solution 11 with new wind counter-current flow is arranged to take away the moisture that from air, absorbs between modules A, B, C, the D, constantly reduce along the journey solution concentration, the weak solution 12 that is flowed out by modules A needs concentrated regeneration just can reuse at last, and the hot water that can adopt 70 ℃ is as the regeneration thermal source.Only need cooling water 10 with summer condition change hot water about 40 ℃ into winter, thereby acting as of hot water improves the solution temperature that enters modules A, B, C liquid distributor and improve its humidification ability, simultaneously the required gasification latent heat of supplementary humidification process.Adopt the form of multi-level unit spray module series connection, the flow direction of concentrated solution and new wind facies are anti-, thereby have reduced the loss of air handling process, have improved the efficient of new wind processing procedure.
For reducing the temperature of air-supply 8, for afterbody unit spray module D, the cold water of cooling solution was obtained by the evaporative cooling process of module E inside during its plate changed: the air after handling through D, a part is as indoor air-supply, another fraction is incorporated among the module E, among the module E directly the water spray evaporative cooling effect that utilizes moisture cold is passed to the solution of opposite side by plate type heat exchanger 2, enter the solution temperature of module D liquid distributor with reduction, thereby improve its dehumidifying effect.Produce the air-supply 8 of sufficiently dry simultaneously, and reduce wind pushing temperature.
Flow process two: outer cold mould indirect evaporation cooling fresh air processor
This fresh air processor group is made up of apparatus for cooling by indirect evaporation two parts of level Four unit spray module and outer cold mould.Wherein, unit spray module is formed (see figure 2) by four direct contact modules A of gas-liquid, B, C, D, four plate type heat exchangers 2, four solution self-circulating pumps 3.The apparatus for cooling by indirect evaporation of outer cold mould is made up of the direct contact modules F of gas-liquid, aerial cooler 5 and water pump 4.
The course of work of this fresh air processor is as follows:
Unit spray module is a level Four, and the position relation in its operation principle and space is identical with the unit spray module in the flow process one, repeats no more.
Because summer, cooling water 10 that cooling tower provides was 32 ℃, the new wind after handling through unit spray module, temperature is higher, therefore needs just can reach after cooling is handled in the cold mould apparatus for cooling by indirect evaporation outside the requirement of air supply parameter.In module F, pass through directly water spray, utilize the cooling effect of water evaporates to make water temperature reduce, the cold water that produces is sent into the new wind that cools off in the aerial cooler 1 from unit spray module D, major part is sent into indoorly after the new air cooling, and fraction is introduced and carried out direct evaporative cooling among the direct evaporative cooling module F and produce cold water.
Flow process three: internally cooled indirect evaporation cooling fresh air processor
This fresh air processor group is made up of indirect evaporation refrigerating module 6 two parts of level Four unit spray module and one-level internally cooled.Wherein, unit spray module is formed (see figure 3) by four direct contact modules A of gas-liquid, B, C, D, four plate type heat exchangers 2, four solution self-circulating pumps 3.
The handling process of this fresh air processor is as follows:
Unit spray module is a level Four, and the position relation in its operation principle and space is identical with the unit spray module in the flow process one, repeats no more.Compare with flow process two outer cold mould apparatus for cooling by indirect evaporation, the module that the apparatus for cooling by indirect evaporation of internally cooled 6 is as a whole, inside modules finished once blow 8 be cooled, secondary air draft 9 and the transpiration-cooled process of spray cold water.
Flow process one: referring to Fig. 1, this new blower fan group comprises: parts such as the direct contact modules 1 of gas-liquid, plate type heat exchanger 2, solution self-circulating pump 3, water pump 4.The direct contact modules A of gas-liquid, B, C, D and corresponding plate type heat exchanger component units spray module.In summer (winter), cooling water (hot water) 10 changes with the plate that the form of parallel connection feeds A, B, C module correspondence respectively, enters the solution temperature of liquid distributor in order to reduce (raising), thereby improves its dehumidifying (humidification) ability.New wind through unit spray module, handle the most of air-supply 8 in back through module D and send into air-conditioned room, the fraction air-supply enters module E and carries out the spray solution that evaporative cooling produces cold water refrigerating module D, and this part air-supply afterwards becomes hot and humid air draft 9 and discharges outdoor.
Flow process two: referring to Fig. 2, this new blower fan comprises: parts such as the direct contact modules A of gas-liquid, B, C, D, F, aerial cooler 5, plate type heat exchanger 2, solution self-circulating pump 3, water pump 4.Unit spray module is identical with flow process one, through the new wind of unit spray module, the wet coolings such as aerial cooler of the apparatus for cooling by indirect evaporation by outer cold mould again, major part is sent into air-conditioned room, fraction enters module F and carries out evaporative cooling, produces cold water and enters aerial cooler 5 cooling air-supplies.
Flow process three: referring to Fig. 3, this new blower fan comprises: parts such as the direct contact modules A of gas-liquid, B, C, D, plate type heat exchanger 2, internally cooled apparatus for cooling by indirect evaporation 6, solution self-circulating pump 3.Unit spray module is identical with flow process one, through the new wind of unit spray module, by the wet cooling such as indirect evaporation refrigerating module 6 grades of internally cooled, sends into air-conditioned room again.

Claims (4)

1, utilize the thermal-drive solution ventilation processor of cooling water as low-temperature receiver, it is characterized in that: described fresh air processor is made up of unit spray module and direct evaporation-cooled device two parts; Described unit spray module contains plate type heat exchanger (2), the direct contact modules of gas-liquid (A), (B), (C), (D), solution self-circulating pump (3), flows into the cooling water (10) of plate type heat exchanger (2) with parallel way; Described direct evaporation-cooled device contains the direct contact modules of gas-liquid (E), water pump (4); Described solution self-circulating pump (3) is the flow of the spray solution of control module (A), (B), (C), (D) inside respectively, the interstage flow of circulating pump control concentrated solution between module (A), (B), (C), (D); Described in each module, solution flows into plate type heat exchanger (2) from module bottom under the driving of self-circulating pump (3), flows down through liquid distributor then and soaks filler, and solution carries out the exchange of heat and quality with new wind (7) in filler.
2, according to the described fresh air processor of claim 1, it is characterized in that: the cold of described cooling water (10) passes to the solution of opposite side by plate type heat exchanger (2), enters the solution temperature of module (A), (B), (C) liquid distributor with reduction.Hygroscopic solution under the spray directly contacts with new wind (7), new wind is by cool-down dehumidification, concentrated solution (11) with new wind (7) counter-current flow is arranged to take away the moisture that from air, absorbs between module (A), (B), (C), (D), constantly reduce along the journey solution concentration, the weak solution (12) that is flowed out by module (A) needs concentrated regeneration just can reuse at last, and the hot water that adopts 70 ℃ is as the regeneration thermal source; Described for unit spray module (D), the cold water of cooling solution is obtained by the inner evaporative cooling process of module (E) in its plate type heat exchanger (2); Air after handling through (D), a part is as indoor air-supply, and another fraction is incorporated in the module (E), and direct water spray in the module (E) utilizes the evaporative cooling effect of moisture cold to be passed to the solution of opposite side by plate type heat exchanger (2).
3, utilize the thermal-drive solution ventilation processor of cooling water as low-temperature receiver, it is characterized in that: described fresh air processor is made up of apparatus for cooling by indirect evaporation two parts of unit spray module and outer cold mould; Described unit spray module contains the direct contact modules of gas-liquid (A), (B), (C), (D), plate type heat exchanger (2), solution self-circulating pump (3); The apparatus for cooling by indirect evaporation of described outer cold mould contains the direct contact modules of gas-liquid (F), aerial cooler (5), water pump (4); New wind after unit spray module is handled, enter the aerial cooler (1) of outer cold mould apparatus for cooling by indirect evaporation, the cold water cooling that in aerial cooler (1), is produced by module (F), major part is sent into indoor afterwards, fraction is introduced into and carries out direct evaporative cooling generation cold water in the module (F), finishes new wind by the process of dehumidifying and cooling.
4, utilize the thermal-drive solution ventilation processor of cooling water as low-temperature receiver, it is characterized in that: described fresh air processor is made up of indirect evaporation refrigerating module (6) two parts of unit spray module and internally cooled; Described unit spray module contains the direct contact modules of gas-liquid (A), (B), (C), (D), plate type heat exchanger (2), solution self-circulating pump (3); The apparatus for cooling by indirect evaporation of described internally cooled (6) be one finish once in inside modules that air-supply is cooled, the integral module of secondary air draft and the transpiration-cooled process of spray cold water.
CN 200620023083 2006-06-15 2006-06-15 Heating drive solution fresh air disposer with cooling water as cold source Expired - Fee Related CN200975755Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128477A (en) * 2011-04-20 2011-07-20 北京华创瑞风空调科技有限公司 Solution-desiccant air handling unit
CN102252380A (en) * 2011-06-30 2011-11-23 北京华创瑞风空调科技有限公司 Solution humidifying air conditioning unit with fresh air pretreatment device
CN102538104A (en) * 2012-02-16 2012-07-04 谢斯捷 Air conditioning unit combining dehumidification with evaporative cooling and air handling method thereof
CN102563770A (en) * 2012-01-11 2012-07-11 谢斯捷 Fresh air handling unit with integrated functions of dehumidification and evaporative cooling and air treatment method of fresh air handling unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128477A (en) * 2011-04-20 2011-07-20 北京华创瑞风空调科技有限公司 Solution-desiccant air handling unit
CN102252380A (en) * 2011-06-30 2011-11-23 北京华创瑞风空调科技有限公司 Solution humidifying air conditioning unit with fresh air pretreatment device
CN102563770A (en) * 2012-01-11 2012-07-11 谢斯捷 Fresh air handling unit with integrated functions of dehumidification and evaporative cooling and air treatment method of fresh air handling unit
CN102538104A (en) * 2012-02-16 2012-07-04 谢斯捷 Air conditioning unit combining dehumidification with evaporative cooling and air handling method thereof
CN102538104B (en) * 2012-02-16 2014-04-30 谢斯捷 Air conditioning unit combining dehumidification with evaporative cooling and air handling method thereof

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Granted publication date: 20071114

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