CN201513992U - Water-loop heat pump air-conditioning system based on hot-cold source tower - Google Patents

Water-loop heat pump air-conditioning system based on hot-cold source tower Download PDF

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Publication number
CN201513992U
CN201513992U CN2009200658699U CN200920065869U CN201513992U CN 201513992 U CN201513992 U CN 201513992U CN 2009200658699 U CN2009200658699 U CN 2009200658699U CN 200920065869 U CN200920065869 U CN 200920065869U CN 201513992 U CN201513992 U CN 201513992U
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China
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valve
water
heat pump
pump
source tower
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Expired - Fee Related
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CN2009200658699U
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Chinese (zh)
Inventor
张国强
吴加胜
韩杰
彭建国
张泉
周晋
徐峰
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Hunan University
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Hunan University
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    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model discloses a water-loop heat pump air-conditioning system based on a hot-cold source tower, which comprises a water/air heat pump unit, a hot-cold source tower, a solar flat collector type aqueous solution regeneration device, a liquid storage device, valves and a pump. A connecting pipeline of the outlet of the water/air heat pump unit, the liquid storage device and the pump is provided with a valve and a bypass valve, the water/air heat pump unit and the pump are connected through the bypass valve and a pipeline to form a closed circulating path; the inlet and the outlet of the liquid storage device are also provided with a valve; the pump, the hot-cold source tower and the solar flat collector type aqueous solution regeneration device are connected in parallel through pipelines and are connected with the outlet of the water/air heat pump unit through valves; and simultaneously a valve is arranged respectively on the outlet of the pump, the hot-cold source tower and the outlet of the solar flat collector type aqueous solution regeneration device. The utility model has the advantages of low cost in initial investment, economical operation, convenient management and environmental protection, maximizes the use of the renewable energy, and reduces the energy consumption.

Description

A kind of water loop heat pump air conditioning system based on the Cooling and Heat Source tower
Technical field
The utility model discloses a kind of water loop heat pump air conditioning system, be specially adapted to the public building and the civil buildings such as office building, office building in high humidity environment condition area in winter on the south the Yellow River based on the Cooling and Heat Source tower.
Background technology
Now, ecological deterioration and energy crisis have become the major issue that threatens human survival, how to address this problem, and have become the whole mankind's problem.Under this background, with environmental protection and energy-conservation be that green building, ecotecture and the multiple air-conditioning technology of principal character arisen at the historic moment, and a kind of energy-saving type air conditioner technology that heat pump techniques occurs and comes into one's own gradually under this background just.Along with the raising of expanding economy and living standards of the people, keep comfortable thermal environment to become general demand under construction.In developed country, the energy consumption of heat supply and air-conditioning can account for 25~30% of social total energy consumption.The energy resource structure of China mainly relies on fossil fuel, and wherein major part is a coal, and the environmental problem that a large amount of burning mineral fuels are produced has become the focus of the Chinese government and public attention, and building energy conservation work also is subjected to the attention of all circles day by day.
For water loop heat pump air conditioning system is normally moved, traditional water loop heat pump air conditioning system generally is provided with firing equipment in water system, as electric boiler, fuel oil (gas) boiler etc., introduces high-order energy from the outside to supply the heat of building deficiency.When water temperature in the water loops is low, firing equipment is put into operation.Obviously, this employing high potential (electricity, combustion gas, wet goods) changes the low potential energy of recirculated water into by boiler (or heat-exchanger rig), very unreasonable by indoor water/air heat pump again to the usefulness energy mode of indoor heating, the acting ability that high potential has is not used appropriately, and does not meet by the principle of matter with energy.And use equipment such as boiler to produce serious pollution to environment, along with attention, in China big and medium-sized cities, begin to limit the application of medium small boiler equipment successively to environmental problem.At present both at home and abroad in the research of carrying out aspect the water-loop heat pump auxiliary thermal source form, mainly contain water (surface water, well water, river, seawater etc.) can, soil can etc., but be subjected to restrictions such as seasonal climate, area, investment operating cost.
The utility model content
At the problems and shortcomings in the existing water-loop heat pump system, the purpose of this utility model provides that a kind of initial cost cost is lower, the water loop heat pump air conditioning system based on the Cooling and Heat Source tower of economical operation, convenient management, environmental protection, so that utilize regenerative resource to reduce common refrigerated air-conditioning system operation energy consumption to greatest extent.
In order to achieve the above object, the technical scheme that the utility model is taked is,
A kind of water loop heat pump air conditioning system based on the Cooling and Heat Source tower comprises water/air heat pump unit, Cooling and Heat Source tower, plate solar heat collection type aqueous solution regenerating unit, device for storing liquid, a plurality of valve, first pump and second pump; Connecting pipe between the outlet of described water/air heat pump unit, device for storing liquid and first pump is provided with valve and bypath valve, and wherein bypath valve makes the water/air heat pump unit and first pump be connected to form the closed cycle path by pipeline; The import and export of device for storing liquid also is respectively arranged with valve; Described second pump, Cooling and Heat Source tower and plate solar heat collection type aqueous solution regenerating unit adopt pipeline parallel with one another, and insert the outlet of water/air heat pump unit by valve; Simultaneously, the import at second delivery side of pump, Cooling and Heat Source tower and plate solar heat collection type aqueous solution regenerating unit is respectively arranged with valve.
Wherein plate solar heat collection type aqueous solution regenerating unit comprises spray equipment, thermal protection shield, stainless steel absorber plate, glass cover and support, be positioned at stainless steel absorber plate and the angled installation of horizontal plane on the support, above described stainless steel absorber plate, be stamped the clear glass cover, make between described stainless steel absorber plate and clear glass cover the runner that constitutes air and solution, stainless steel absorber plate top is provided with the liquid distributor of being made by lucite; And have the spray equipment that is connected with the port of export of device for storing liquid to insert the arrival end of liquid distributor, the spray apertures that the liquid distributor bottom is offered is aimed at the stainless steel absorber plate.
For guarantee solution equably cloth on the surface of stainless steel absorber plate, in stainless steel absorber plate plate surface coverage thin matter nylon gauze.
Above-mentioned plate solar heat collection type aqueous solution regenerating unit is made by rush-resisting material, and describedly all adopts anticorrosion tubing based on the pipeline in the water loop heat pump air conditioning system of Cooling and Heat Source tower.
The technical scheme that the utility model is taked realizes as follows:
A kind of water loop heat pump air conditioning system based on the Cooling and Heat Source tower is innovated improvement on conventional water loop heat pump air conditioning system basis.It is characterized in that on the one hand the water loop heat pump air conditioning system of routine is improved, on the other hand original cooling tower is improved, make it and to dispel the heat in outdoor air at the shower water in summer, also can spray the suitable aqueous solution in the winter time and from outdoor air, absorb heat, and be referred to as the Cooling and Heat Source tower.Summer, water/air heat pump unit moved with cooling condition, produced cold and satisfied the building demand, and the spray by cooling water in the Cooling and Heat Source tower is to the outdoor air discharges heat; Winter, then select suitable solute, be made into the aqueous solution of suitable concn, replace water in original cooling water system as outdoor circulatory mediator in winter, the even spray of the aqueous solution is had on the lyophily character packing layer at the Cooling and Heat Source tower, and the aqueous solution forms liquid film at lyophily filler face, and air then circulates through the surface void of multilayer concave-convex filling space, form the contact area caloic exchange between the liquid gas, obtain low-grade energy in the air.Water/air heat pump unit moves with heating condition, produces heat and satisfies the building demand, and make the aqueous solution circulate draw heat from outdoor air between source pump evaporimeter and Cooling and Heat Source tower.
The principle of described water loop heat pump air conditioning system summer operation based on the Cooling and Heat Source tower is identical with conventional water loop heat pump air conditioning system, but the principle of its winter operation then has special character: during winter condition, the aqueous solution sprays in the Cooling and Heat Source tower, and the heat exchange between air comprises sensible heat and latent heat exchange, its sensible heat exchange driving force is the temperature difference between solution and air, surface and the steam partial pressure between the air that its latent heat exchange driving force is the spray solution drop are poor, because the variation of outdoor air conditions (especially relative humidity), latent heat heat exchange direction can be from air to solution, also can be from solution to air, the humidity absorption and release characteristic of solution causes the variation of solution concentration and volume in the system.
The aqueous solution that spray above-mentioned winter needs to guarantee the valid density scope, this system can normally move continuously, after it is characterized in that concentrated solution obtains the low taste energy through Cooling and Heat Source tower spray from air, absorb the part moisture in the humid air, solution concentration reduces, weak solution flows to plate solar heat collection type aqueous solution regenerating unit by circulating pump and absorbs solar radiant heat, make water evaporates in air, the concentration of solution raises, recover wettability power, entered water-loop heat pump system circular flow by pump again.
The described aqueous solution has lower surface vapor pressure, higher solubility, low viscosity, higher boiling, and SOLUTION PROPERTIES is stable, low volatility, low-corrosiveness, avirulence, solute is cheap, obtains or the like easily.Exercisable solution commonly used comprises: urea liquid, lithium chloride solution, lithium-bromide solution, lithium bromide and calcium chloride mixed solution, lithium chloride and calcium chloride mixed solution, and except that above hybrid mode, add lithium iodide solution, lithium nitrate solution, zinc bromide is restrained crystallization, improves other mixed solutions of the effect of solubility.
Described plate solar heat collection type aqueous solution regenerating unit by spray equipment, thermal protection shield, stainless steel absorber plate, glass cover, be configured to.Because solution has certain corrosiveness to metal material, not only can cause damage to pipeline and regenerator housing, and because chemical reaction can change the character of solution, directly influence the stable operation of system, therefore regenerating unit is made by corrosion resistant plate, and the aqueous solution pipeline in the system adopts anticorrosion tubing to avoid corrosion.
In the above-mentioned plate solar heat collection type aqueous solution regenerating unit, the installation that has a certain degree of stainless steel absorber plate and horizontal plane, guarantee best heat absorption, stainless steel absorber plate top covers the clear glass cover, constitute the runner of air and solution between stainless steel absorber plate plate and clear glass cover, stainless steel absorber plate top is the liquid distributor that lucite is made, row's aperture has been opened in its underpart, solution is entered in the liquid distributor by spray equipment by fluid reservoir, flow on the absorber plate by spray apertures, under the gravity effect, become the falling liquid film form to flow downward along the stainless steel absorber plate.For guarantee solution equably cloth on the surface of stainless steel absorber plate, in stainless steel absorber plate plate surface coverage thin matter nylon gauze.Air enters from the regenerating unit bottom, and is opposite with the flow direction of solution, on gas-liquid interface with the exchange of solution generation quality and heat.Make water evaporates in air, the concentration of solution constantly raises, and recovers wettability power and enters the systemic circulation operation.
The utility model is a kind of water loop heat pump air conditioning system based on the Cooling and Heat Source tower, and be common water-loop heat pump system summer, and be the water-loop heat pump system that utilizes renewable solution heat absorption winter, a tractor serves several purposes.
The utility model makes it to compare with existing water-loop heat pump system owing to adopt technique scheme, has the following advantages and good effect:
1, the utility model is for improving public buildings such as office building, office building and civil buildings air-conditioning effect, energy-saving and emission-reduction, and is significant.
Made full use of common open type cooling tower water evaporation cooling in summer water-loop heat pump system when 2, the utility model heats in the winter time, modes such as cancellation boiler heat, thereby greatly reduce cost, help entering production practices.
3, control method of the present utility model is simple, and operational management is convenient, uses the solution of environmental protection, utilizes regenerative resource to reduce common refrigerated air-conditioning system operation energy consumption to greatest extent.
Description of drawings
Fig. 1 is the structural representation of described water loop heat pump air conditioning system based on the Cooling and Heat Source tower.
Fig. 2 is the structural representation of plate solar heat collection type aqueous solution regenerating unit among Fig. 1.
In above-mentioned accompanying drawing:
1-water/air heat pump unit 2-Cooling and Heat Source tower
The 3-plate solar heat collection type aqueous solution regenerating unit 4-first pump 5-second pump
6-device for storing liquid 7-spray equipment 8-thermal protection shield 9-stainless steel absorber plate
10-glass cover 11-support A~G-valve
The specific embodiment
Specify wherein a kind of more excellent embodiment of the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of water loop heat pump air conditioning system based on the Cooling and Heat Source tower comprises water/air heat pump unit 1, Cooling and Heat Source tower 2, plate solar heat collection type aqueous solution regenerating unit 3, device for storing liquid 6, the A valve as bypath valve, B valve, C valve, D valve, E valve, F valve, G valve and first pump 4, second pump 5; Connecting pipe between the outlet of described water/air heat pump unit 1, device for storing liquid 6 and first pump 4 is provided with B valve and C valve, and bypath valve is set; The A valve makes water/air heat pump unit 1, first pump 4 be connected to form the closed cycle path by pipeline; Device for storing liquid 6 import and exports are provided with B valve, C valve respectively; Described second pump 5, Cooling and Heat Source tower 2 and plate solar heat collection type aqueous solution regenerating unit 3 adopt pipeline parallel with one another, and insert the outlet of water/air heat pump unit 1 by the D valve; Simultaneously, the import at 5 outlets of second pump, Cooling and Heat Source tower 2 and plate solar heat collection type aqueous solution regenerating unit 3 is provided with E valve, F valve and G valve respectively.
Referring to Fig. 2, described plate solar heat collection type aqueous solution regenerating unit 3 comprises spray equipment 7, thermal protection shield 8, stainless steel absorber plate 9, glass cover 10 and support 11, be positioned at stainless steel absorber plate 9 and the angled installation of horizontal plane on the support 11, above described stainless steel absorber plate 9, cover transparent glass cover 10, make 10 of described stainless steel absorber plate 9 and clear glass covers constitute the runners of air and solution, stainless steel absorber plate 9 tops are liquid distributors that lucite is made; And have the spray equipment that is connected with the port of export of device for storing liquid 6 to insert the arrival end of liquid distributor, the spray apertures that the liquid distributor bottom is offered is aimed at absorber plate.
Water in the present embodiment/air heat pump unit 1, Cooling and Heat Source tower 2, device for storing liquid 6, pump etc. all can adopt existing structure of the prior art.
The using method of above-mentioned water loop heat pump air conditioning system based on the Cooling and Heat Source tower is:
1, water/air heat pump unit 1 part of surrounding zone is pressed the heating condition operation during transition season, part is pressed the cooling condition operation, the unit of inner region is pressed the cooling condition operation, if cooling and heating load is suitable, the loop supply water temperature is kept in the certain limit, and outdoor Cooling and Heat Source tower 2, plate solar heat collection type aqueous solution regenerating unit 3, second pump 5 do not put into operation.Be water/air heat pump unit 1,4 operations of first pump, valve A opens, and other valve is all closed.
2, each indoor water/air heat pump unit 1 is all pressed the cooling condition operation during summer, discharges condensation heat in loop, is to keep system stable operation, needs by Cooling and Heat Source tower 2 condensation heat to be discharged into the atmosphere, and makes the loop supply water temperature keep in the certain limit.Be water/air heat pump unit 1, Cooling and Heat Source tower 2,4 operations of first pump, C valve, D valve, F valve open, other valve is all closed.
3, the water of surrounding zone during winter/air heat pump unit 1 is most of or all move by the heat supply operating mode, the water of inner region/air heat pump unit 1 is pressed the cooling condition operation, the loop solution temperature descends, for keeping system stable operation, need to put into operation by Cooling and Heat Source tower 2, heat absorption is constantly supplied with heat to water loops from outdoor air, makes loop water supply solution temperature keep in the certain limit.Be water/air heat pump unit 1, Cooling and Heat Source tower 2, first pump 4,5 operations of second pump, B valve, C valve, E valve, F valve open, other valve is all closed.
4, under the winter operation operating mode, when the aqueous solution obtains the low taste energy through Cooling and Heat Source tower 2 sprays from air after, absorb the part moisture in the humid air, concentration of aqueous solution reduces, and Cooling and Heat Source tower 2 operational effects descend, need open the G valve, make the aqueous solution flow to plate solar heat collection type aqueous solution regenerating unit 3 and absorb solar radiant heat that make water evaporates in air, the concentration of solution raises by circulating pump, recover wettability power, enter water-loop heat pump system circular flow again.
Above-mentioned specific embodiments is a kind of preferred embodiment; can not limit claim of the present utility model; other any change that does not deviate from the technical solution of the utility model and made or other equivalent substitute mode all are included within the protection domain of the present utility model.

Claims (5)

1. the water loop heat pump air conditioning system based on the Cooling and Heat Source tower comprises water/air heat pump unit (1), Cooling and Heat Source tower (2), plate solar heat collection type aqueous solution regenerating unit (3), device for storing liquid (6), the A valve as bypath valve, B valve, C valve, D valve, E valve, F valve, G valve, first pump (4) and second pump (5); It is characterized in that the connecting pipe between the outlet of described water/air heat pump unit (1), device for storing liquid (6) and first pump (4) is provided with B valve, C valve and A valve; Wherein the A valve makes water/air heat pump unit (1) and first pump (4) be connected to form the closed cycle path by pipeline; The import and export of device for storing liquid (6) is provided with B valve and C valve respectively; Described second pump (5), Cooling and Heat Source tower (2) and plate solar heat collection type aqueous solution regenerating unit (3) adopt pipeline parallel with one another, and insert the outlet of water/air heat pump unit (1) by the D valve; Simultaneously, the import at second pump (5) outlet, Cooling and Heat Source tower (2) and plate solar heat collection type aqueous solution regenerating unit (3) is provided with E valve, F valve and G valve respectively.
2. according to the described water loop heat pump air conditioning system of claim 1 based on the Cooling and Heat Source tower, it is characterized in that: described plate solar heat collection type aqueous solution regenerating unit (3) comprises spray equipment (7), thermal protection shield (8), stainless steel absorber plate (9), glass cover (10) and support (11), be positioned at stainless steel absorber plate and the angled installation of horizontal plane on the support (11), above described stainless steel absorber plate, cover the clear glass cover, make that the runner that constitutes air and solution between described stainless steel absorber plate and clear glass cover, stainless steel absorber plate top are the liquid distributors that lucite is made; And have the spray equipment that is connected with the port of export of device for storing liquid to insert the arrival end of liquid distributor, the spray apertures that the liquid distributor bottom is offered is aimed at the stainless steel absorber plate.
3. according to the described water loop heat pump air conditioning system based on the Cooling and Heat Source tower of claim 2, it is characterized in that: the plate surface coverage of described stainless steel absorber plate (9) has thin matter nylon gauze.
4. according to claim 1 based on the water loop heat pump air conditioning system of Cooling and Heat Source tower, it is characterized in that: plate solar heat collection type aqueous solution regenerating unit (3) is made by rush-resisting material.
As described in one of claim 1-4 based on the water loop heat pump air conditioning system of Cooling and Heat Source tower, it is characterized in that: all pipelines all adopt anticorrosion tubing.
CN2009200658699U 2009-09-11 2009-09-11 Water-loop heat pump air-conditioning system based on hot-cold source tower Expired - Fee Related CN201513992U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022793A (en) * 2010-12-01 2011-04-20 东南大学 Latent heat recovery-based high-efficiency heat pump type heat source tower solution regenerating device and method
CN102679435A (en) * 2012-06-11 2012-09-19 湖南大学 Solar heat-source tower heat pump composite heating device
CN102853576A (en) * 2012-09-29 2013-01-02 浙江理工大学 Boiling regeneration type heat pump system for heat source tower
CN103673396A (en) * 2013-12-20 2014-03-26 湖南创化低碳环保科技有限公司 Heat exchange system
CN104990176A (en) * 2015-08-05 2015-10-21 黄国和 Air-conditioning system based on coupling of water vapour energy and sewage source
CN109539572A (en) * 2018-11-14 2019-03-29 安徽建筑大学 It is a kind of to carry out the regenerated device and method of solution using trough type solar heat-collector

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022793A (en) * 2010-12-01 2011-04-20 东南大学 Latent heat recovery-based high-efficiency heat pump type heat source tower solution regenerating device and method
CN102679435A (en) * 2012-06-11 2012-09-19 湖南大学 Solar heat-source tower heat pump composite heating device
CN102853576A (en) * 2012-09-29 2013-01-02 浙江理工大学 Boiling regeneration type heat pump system for heat source tower
CN102853576B (en) * 2012-09-29 2014-11-26 浙江理工大学 Boiling regeneration type heat pump system for heat source tower
CN103673396A (en) * 2013-12-20 2014-03-26 湖南创化低碳环保科技有限公司 Heat exchange system
CN103673396B (en) * 2013-12-20 2015-11-18 湖南创化低碳环保科技有限公司 Heat-exchange system
CN104990176A (en) * 2015-08-05 2015-10-21 黄国和 Air-conditioning system based on coupling of water vapour energy and sewage source
CN104990176B (en) * 2015-08-05 2018-08-07 湖南东尤水汽能热泵制造有限公司 Steam can couple air-conditioning system with source of sewage
CN109539572A (en) * 2018-11-14 2019-03-29 安徽建筑大学 It is a kind of to carry out the regenerated device and method of solution using trough type solar heat-collector

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Granted publication date: 20100623

Termination date: 20130911