CN103900287B - The heat-exchange system that solar energy runs with geothermal energy united - Google Patents
The heat-exchange system that solar energy runs with geothermal energy united Download PDFInfo
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- CN103900287B CN103900287B CN201410136029.2A CN201410136029A CN103900287B CN 103900287 B CN103900287 B CN 103900287B CN 201410136029 A CN201410136029 A CN 201410136029A CN 103900287 B CN103900287 B CN 103900287B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses the heat-exchange system that a kind of solar energy runs with geothermal energy united, including solar thermal collector, ground heat exchanger, source pump, absorption refrigeration unit, user side, and some boilers, water pump, connecting pipeline and valve, solar thermal collector and the connection of the first boiler, the first boiler connects and composes closed circuit with the second water tank and auxiliary heater respectively by the second water pump；Ground heat exchanger connects with source pump, and described source pump constitutes closed circuit by the 3rd water pump with ground heat exchanger and the first boiler；User side constitutes closed circuit by the 4th water pump with source pump, absorption system.The present invention efficiently solves Soil Thermal unbalance；On the basis of efficiently utilizing solar energy and geothermal energy, it is achieved that building summer cooling, heat supply in winter and annual offer domestic hot-water, system runing adjustment is flexible, functional diversities.
Description
Technical field
The present invention relates to heating system, the heat-exchange system that a kind of solar energy runs with geothermal energy united.
Background technology
Existing solar energy and earth source heat pump combined operation system mostly are and use summer earth-source hot-pump system to freeze, and use solar heat pump and earth source heat pump combined heat winter.
But, in some areas, such as at south China, needed for building summer, refrigeration duty is significantly larger than thermic load needed for winter, there is the rough sledding of soil unbalance (annual winter, pipe laying caloric receptivity from soil was less than thermal discharge in summer) when being used alone earth source heat pump refrigeration, and source pump to be the most all heating capacity be more than refrigerating capacity.
When unit optimum selection, if selecting unit by refrigeration duty standard in summer, the heating capacity thermal load demands well beyond building of unit being caused, if selecting according to thermic load standard in winter, then there will be cooling in summer amount inadequate.
Therefore need a kind of new technique to solve the problems referred to above.
Summary of the invention
Goal of the invention: provide the heat-exchange system that a kind of solar energy runs with geothermal energy united, to solve the subproblem of prior art.
Technical scheme: the heat-exchange system that a kind of solar energy runs with geothermal energy united, including solar thermal collector, ground heat exchanger, source pump, absorption refrigeration unit, user side, and some boilers, water pump, connecting pipeline and valve,
Described solar thermal collector and the connection of the first boiler, the first boiler connects and composes closed circuit with the second water tank and auxiliary heater respectively by the second water pump, is provided with valve between loop；
Described ground heat exchanger connects with source pump, and described source pump constitutes closed circuit by the 3rd water pump with ground heat exchanger and the first boiler, is provided with valve in loop；
User side constitutes closed circuit by the 4th water pump with source pump, absorption system, is provided with valve in loop.
Arranging the first water pump on pipeline between described solar thermal collector and the first boiler, the entrance of described solar thermal collector and the first water delivery side of pump connect, and the outlet of solar thermal collector and the import of the first water pump are connected with the first boiler.
Described source pump comprises the first condenser and the first vaporizer；Described absorption refrigeration unit comprises generator, absorber, the second condenser, the second vaporizer and heat exchanger.
Further, some water collectors and water knockout drum are also included；Wherein, the import of the second water pump is connected with the first hot water storage tank, and the second water delivery side of pump and the import of the first water collector, auxiliary heater and the second boiler connect；The import of the first water collector is connected with the outlet of ground heat exchanger, and the outlet of the first water collector is connected with the import of the 3rd water pump；The import of the 3rd water delivery side of pump and the first condenser, the first vaporizer connects；
The outlet of the first water knockout drum is connected with the first boiler and ground heat exchanger import, the import of the first water knockout drum is connected with the first condenser and the first evaporator outlet, and the second water collector import and the second evaporator outlet and the first condenser and the first evaporator outlet are connected；
Second water collector outlet is connected with user's end import, and the second water knockout drum exports and is connected with the second evaporator and the first condenser and the first evaporator；Second water knockout drum import is connected with the 4th exit of pump.
Described 4th unit fixed on water pump suction is connected with user side outlet, and the 5th unit fixed on water pump suction is connected with absorber, and the 5th exit of pump is connected with heat exchanger.
When temperature is higher, such as in summer, a heat part for solar thermal collector is used for providing domestic hot-water, and another part is as the driving heat source of absorption system, opening auxiliary heater when heat is inadequate, ground heat exchanger 2 runs cooling condition as source pump low-temperature receiver.
When temperature is relatively low, the most in the winter time, a heat part for solar thermal collector is used for providing domestic hot-water, another part to run heating condition with ground heat exchanger collectively as source pump thermal source, and absorption system is stopped.
Beneficial effect: by integrated solar heat utilization technology, solar energy absorption type refrigeration technology and earth source heat pump cold and heat supply technology, the present invention efficiently solves warm area and causes Soil Thermal unbalance because being used alone earth source heat pump；And on the basis of comprehensive high-efficiency utilizes solar energy and geothermal energy, it is achieved that building summer cooling, heat supply in winter and annual offer domestic hot-water.Present system runing adjustment is flexible, functional diversities.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the summer condition structural representation of the present invention.
Fig. 3 is the winter condition structural representation of the present invention.
In accompanying drawing: solar thermal collector 1, ground heat exchanger 2, source pump 3, first, second condenser 4-1,4-2, first, second vaporizer 5-1,5-2, generator 6, absorber 7, absorption refrigeration unit 8, first, second boiler 9-1,9-2, the first to the 5th water pump 10-1 ~ 10-5, auxiliary heater 11, first, second water collector 12-1,12-2, first, second water knockout drum 13-1,13-2, user side 14, some valve 15-1 ~ 15-9, heat exchanger 16, condensing water inlet 17-1,17-2.
Detailed description of the invention
The structure and working principle of the present invention is described in conjunction with Fig. 1.Solar energy of the present invention and geothermal energy united run system and mainly include solar thermal collector, hot water storage tank, domestic hot-water's case, ground heat exchanger, source pump, absorption refrigeration unit, user side, water pump, water knockout drum and water collector.
Said apparatus three systems of composition: the first boiler 9-1 connects and composes closed circuit by the second water pump 10-2 and the second water tank 9-2 and auxiliary heater 11, are provided with the 8th valve 15-8 and the 9th valve 15-9 and realize switch and (or) switching between loop；Source pump 3 constitutes closed circuit by the 3rd water pump 10-3 with ground heat exchanger 2 and the first boiler 9-1, is provided with the first valve 15-1 and realizes switch in loop；User's end 14 constitutes closed circuit by the 4th water pump 10-4 with source pump 3 and absorption system 8, is provided with the second valve 15-2 and realizes switch in loop.
Specifically, source pump 3 comprises the first condenser 4-1 and the first vaporizer 5-1.Absorption refrigeration unit 8 comprises generator 6, absorber the 7, second condenser 4-2, the second vaporizer 5-2 and heat exchanger 16.
nullSolar thermal collector 1 entrance and the first water pump 10-1 outlet connect，Solar thermal collector 1 exports and the first water pump 10-1 import is connected with the first boiler 9-1，Second water pump 10-2 import is connected with the first boiler 9-1，Second water pump 10-2 outlet is connected with the second water tank 9-2 with the first water collector 12-1 import and auxiliary heater 11，First water collector 12-1 import exports with the second water pump 10-2 and ground heat exchanger 2 and is connected，First water collector 12-1 outlet is connected with the 3rd water pump 10-3 import，3rd water pump 10-3 outlet is connected with the first condenser 4-1 and the first vaporizer 5-1 import，First water knockout drum 13-1 outlet is connected with the first boiler 9-1 and ground heat exchanger 2 import，First water knockout drum 13-1 import exports with the first condenser 4-1 and the first vaporizer 5-1 and is connected，Second water collector 12-2 import is connected with the second vaporizer 5-2 outlet and the first condenser 4-1 and the first vaporizer 5-1 outlet，Second water collector 12-2 outlet is connected with user side 14 import，Second water knockout drum 13-2 outlet is connected with the second vaporizer 5-2 import and the first condenser 4-1 and the first vaporizer 5-1 import，Second water knockout drum 13-2 import is connected with the 4th water pump 10-4 outlet，4th water pump 10-4 import is connected with user side 14 outlet，5th water pump 10-5 import is connected with absorber 7，5th water pump 10-5 outlet is connected with heat exchanger 16.
As shown in Figure 2, in summer, systemic-function includes solar energy heating domestic hot-water, Driven by Solar Energy absorption system and earth source heat pump refrigeration air-conditioner, including solar energy heating circulation, domestic hot-water's heat cycles, drives absorption system circulation and earth source heat pump kind of refrigeration cycle.
Fine day daytime, the first water pump 10-1 opens, carries out solar energy heating circulation, by heat storage at the first boiler 9-1.This heat part meets domestic hot-water by domestic hot-water's circulation and heats needs, and another part coordinates auxiliary heater 11 as absorption system 8 driving heat source.
Particularly as follows: during domestic hot-water's heat cycles, the second water pump 10-2, absorption system 8 are opened, the 9th valve 15-9 unlatching, the first valve 15-1, the 8th valve 15-8 close；When driving absorption system circulation, open the second water pump 10-2, the 4th water pump 10-4 and the 5th water pump 10-5, second valve 15-2 and the 8th valve 15-8, the second water collector 12-2, the second water knockout drum 13-2 open, first valve 15-1 and the 9th valve 15-9 closes, and auxiliary heater 11 is opened；During earth source heat pump kind of refrigeration cycle, 3rd water pump 10-3 and the 4th water pump 10-4, source pump 3 are opened, 4th valve 15-4 and the 7th valve 15-7, the first water collector 12-1 and the second water collector 12-2, the first water knockout drum 13-1 and the second water knockout drum 13-2 open, and the first valve 15-1, the 5th valve 15-5 and the 6th valve 15-6 close.
As it is shown on figure 3, in the winter time, system is mainly used in meeting user and supplies warm domestic hot-water's requirement, circulates including solar energy heating domestic hot-water, and solar energy auxiliary heating Heating by Ground Source Heat Pump circulates.Solar energy heating domestic hot-water is circulated ibid.During solar energy auxiliary heating Heating by Ground Source Heat Pump circulation, second water pump 10-2, the 3rd water pump 10-3 and the 4th water pump 10-4 open, source pump 3 is opened, 5th water pump 10-5, absorption system 8 are closed, first valve 15-1, the 5th valve 15-5, the 6th valve 15-6, the first water collector 12-1 and the second water collector 12-2, the first water knockout drum 13-1 and the second water knockout drum 13-2 open, and the second valve 15-2, the 4th valve 15-4, the 7th valve 15-7, the 8th valve 15-8 and the 9th valve 15-9 close.
The heating capacity in winter it is much higher than, when such area is used alone earth source heat pump, it will cause the situation that Soil Thermal is unbalance for warm area cooling in summer amount.Solar energy of the present invention and geothermal energy united run system by by solar energy utilization technique and solar energy absorption type refrigeration technology and earth source heat pump cold and heat supply technology organic integration, can effectively solve the problem that because being used alone the Soil Thermal unbalance that earth source heat pump causes, and on the basis of comprehensive high-efficiency utilizes solar energy and geothermal energy, it is achieved that building summer cooling, heat supply in winter and annual offer domestic hot-water.
Earth source heat pump can select according to thermic load in winter, and summer, refrigeration duty insufficient section supplemented with solar energy absorption type refrigeration.So it is possible not only to be greatly reduced the initial cost of ground heat exchanger, but also ground heat exchanger intermittent duty can be made, recovering to timely of Soil Temperature Field.Being be combined with each other with geothermal energy utilization technology by solar energy, the present invention improves the comprehensive utilization ratio of solar energy and geothermal energy, significant for alleviating energy and environment problem.
The preferred embodiment of the present invention described in detail above; but, the present invention is not limited to the detail in above-mentioned embodiment, in the technology concept of the present invention; technical scheme can be carried out multiple equivalents, these equivalents belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary repetition, various possible compound modes are illustrated by the present invention the most separately.The first, second description merely for convenience dependency structure such as word such as grade occurred in literary composition, rather than point out to limit its order or importance.
Claims (1)
1. the heat-exchange system that solar energy runs with geothermal energy united, including solar thermal collector, ground heat exchanger, source pump, absorption refrigeration unit, user side, and some boilers, water pump, connecting pipeline and valve, it is characterised in that:
Described solar thermal collector and the connection of the first boiler, the first boiler connects and composes closed circuit with the second water tank and auxiliary heater respectively by the second water pump, is provided with valve between loop；
Described ground heat exchanger connects with source pump, and described source pump constitutes closed circuit by the 3rd water pump with ground heat exchanger and the first boiler, is provided with valve in loop；
User side constitutes closed circuit by the 4th water pump with source pump, absorption refrigeration unit, is provided with valve in loop；
Arranging the first water pump on pipeline between described solar thermal collector and the first boiler, the entrance of described solar thermal collector and the first water delivery side of pump connect, and the outlet of solar thermal collector and the import of the first water pump are connected with the first boiler；
Described source pump comprises the first condenser and the first vaporizer；Described absorption refrigeration unit comprises generator, absorber, the second condenser, the second vaporizer and heat exchanger；
Also include some water collectors and water knockout drum；Wherein, the import of the second water pump is connected with the first boiler, and the second water delivery side of pump and the import of the first water collector, auxiliary heater and the second water tank connect；The import of the first water collector is connected with the outlet of ground heat exchanger, and the outlet of the first water collector is connected with the import of the 3rd water pump；The import of the 3rd water delivery side of pump and the first condenser, the first vaporizer connects；
The outlet of the first water knockout drum is connected with the first boiler and ground heat exchanger import, the import of the first water knockout drum is connected with the first condenser and the first evaporator outlet, and the second water collector import and the second evaporator outlet and the first condenser and the first evaporator outlet are connected；
Second water collector outlet is connected with user side import, and the second water knockout drum exports and is connected with the second evaporator and the first condenser and the first evaporator；
Second water knockout drum import is connected with the 4th exit of pump；
Described 4th unit fixed on water pump suction is connected with user side outlet, and the 5th unit fixed on water pump suction is connected with absorber, and the 5th exit of pump is connected with heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410136029.2A CN103900287B (en) | 2014-04-04 | 2014-04-04 | The heat-exchange system that solar energy runs with geothermal energy united |
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| CN201410136029.2A CN103900287B (en) | 2014-04-04 | 2014-04-04 | The heat-exchange system that solar energy runs with geothermal energy united |
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| CN103900287A CN103900287A (en) | 2014-07-02 |
| CN103900287B true CN103900287B (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3083594A1 (en) * | 2018-07-05 | 2020-01-10 | Feng Technologies (Fengtech) | THERMAL INSTALLATION |
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| CN105588162B (en) * | 2015-02-06 | 2019-04-12 | 海信（山东）空调有限公司 | A kind of combined type heating system and control method |
| CN107202451A (en) * | 2017-03-13 | 2017-09-26 | 西安交通大学 | A kind of residents multipotency source absorption type capillary network refrigeration system |
| CN107328003A (en) * | 2017-08-22 | 2017-11-07 | 南京索乐优节能科技有限公司 | A kind of solar energy earth-source hot-pump system of classified utilization heat energy |
| CN107957109A (en) * | 2017-12-22 | 2018-04-24 | 山东飞龙制冷设备有限公司 | A kind of solar airconditioning unit |
| CN109708329A (en) * | 2018-12-29 | 2019-05-03 | 天津城建大学 | Enhanced ground heat exchanger utilization system and the method for operation |
| CN109780738B (en) * | 2019-02-20 | 2020-09-18 | 广州供电局有限公司 | Solar energy storage conversion system |
| CN114777350A (en) * | 2022-05-19 | 2022-07-22 | 华北电力大学 | Photovoltaic heat-ground source thermal coupling double-evaporator hybrid heating and cooling system |
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