CN102644984A - Connecting type of cooling tower auxiliary heat extraction in ground-source heat pump system - Google Patents
Connecting type of cooling tower auxiliary heat extraction in ground-source heat pump system Download PDFInfo
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- CN102644984A CN102644984A CN2012101553987A CN201210155398A CN102644984A CN 102644984 A CN102644984 A CN 102644984A CN 2012101553987 A CN2012101553987 A CN 2012101553987A CN 201210155398 A CN201210155398 A CN 201210155398A CN 102644984 A CN102644984 A CN 102644984A
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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Abstract
The invention discloses a connecting type of cooling tower auxiliary heat extraction in a ground-source heat pump system. The connecting type comprises a first air conditioning unit, a second air conditioning unit, an indoor air conditioner tail end, a ground-source side water separator, a ground-source side water collecting device and a cooling tower, wherein the first air conditioning unit is communicated with the indoor air conditioner tail end, the cooling tower, the water collecting device water collecting device and the ground-source side water separator through pipelines; and the second air conditioning unit is communicated with the indoor air conditioner tail end, the water collecting device water collecting device and the ground-source side water separator through pipelines. Through the manner, the connecting type provided by the invention can achieve subterranean heat balance, and can be used for improving the service efficiency of equipment according to the difference of each temperature, and meanwhile saving the capitalized cost and the running cost.
Description
Technical field
The present invention relates to the earth-source hot-pump system field of engineering technology, particularly relate to a kind of connected mode that is applied to the auxiliary heat extraction of cooling tower in the earth-source hot-pump system.
Background technology
In the prior art, for the building of refrigeration duty greater than the thermic load demand, how to solve underground thermal balance, reduce energy resource consumption, the hot and cold demand that satisfies building is the technical problem that earth-source hot-pump system faces.The scheme of current common employing is that collection, the water knockout drum place of the source on ground directly disposes cooling tower.The drawback of this scheme is: one; This a part of resistance of ducting that connects with collection, water knockout drum is different; The resistance of ground connection pipe laying system differs greatly with the resistance that connects cooling tower, can not distribute by what expection was set because of the different flows that distribute of resistance, influences heat exchange; Two; Because of the type selecting of cooling tower is that prerequisite is configured according to underground thermal equilibrium condition; When opening an air-conditioning unit separately and dispel the heat with cooling tower, cooling tower may be under the situation of excess load or underload and move, under the overload operation operating mode; The inflow temperature of unit can be more higher than the value of setting, and influences the refrigerating efficiency of unit; Under the underrun operating mode, the fan starting of cooling tower is frequent, influences service life.
Summary of the invention
The technical problem that the present invention mainly solves provides the connected mode of the auxiliary heat extraction of cooling tower in a kind of earth-source hot-pump system; Can reach underground thermal balance; The service efficiency of each equipment be can improve again according to the difference of each temperature, cost of investment and operating cost saved simultaneously.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: the connected mode that the auxiliary heat extraction of cooling tower in a kind of earth-source hot-pump system is provided; Comprise the first air-conditioning unit, the second air-conditioning unit, room conditioning terminal, the source water knockout drum, source water collector and cooling tower, the said first air-conditioning unit and room conditioning end, cooling tower, the source water collector and the source water knockout drum be connected through pipeline; The said second air-conditioning unit and room conditioning be terminal, source water collector and ground source water knockout drum be connected through pipeline.
In preferred embodiment of the present invention, for the power of good pipeline water circulation is provided to system, the said first air-conditioning unit comprises first condenser and first evaporimeter, on said first condenser and the pipeline that cooling tower is connected cooling water pump is set; Said first condenser and ground source water collector, the pipeline that is connected of source water knockout drum be provided with the source water pump; The said second air-conditioning unit comprises second condenser and second evaporimeter, said second condenser and ground source water collector, also be provided with the source water pump simultaneously on the pipeline that is connected of source water knockout drum; Second evaporimeter of first evaporimeter of the said first air-conditioning unit and the second air-conditioning unit and room conditioning connecting tube of end road are provided with two water circulating pumps.
For ease hot unbalance situation under the flow path base area in the pipeline is adjusted control, the said first air-conditioning unit and the second air-conditioning unit and room conditioning be terminal, the source water knockout drum, the connecting line of source water collector, cooling tower be provided with four switch valves.
Operation principle of the present invention mainly is the situation according to underground temperature field, under the refrigeration situation, through the switching of valve, realizes preferentially using cooling tower or buried guard system, and is specific as follows:
The buried guard system of preferential use: value is more on the low side than the initial temperature value of soil when underground temperature field; Just to underground caloric receptivity during greater than the heat-obtaining amount; Freezing season, preferentially made buried guard system carry out heat extraction, to reach in a basic balance with caloric receptivity to underground heat-obtaining amount.
The preferential cooling tower system that uses: value is more higher than the initial temperature value of soil when underground temperature field; Just to underground heat-obtaining amount greater than when caloric receptivity; Freezing season; The preferential cooling tower system that uses carries out heat extraction, passes through buried guard system season to underground heat-obtaining heating of next year, to reach in a basic balance with caloric receptivity to underground heat-obtaining amount.
Can also regulate the time of cooling tower and buried guard system operation and control underground thermal balance through variations in temperature in addition underground temperature field.
The invention has the beneficial effects as follows: source, tableland source pump is configuration one cover cooling tower system separately, has not only solved underground thermal balance but also can improve the service efficiency of each equipment according to the difference of each temperature, has saved operating cost simultaneously, achieves many things at one stroke.
Description of drawings
Fig. 1 is the system schematic of the connected mode of the auxiliary heat extraction of cooling tower in the earth-source hot-pump system of the present invention;
Fig. 2 is the present invention adopts buried guard system when summer operation a sketch map;
Fig. 3 only opens a unit or adopts the ground pipe laying or adopt the sketch map of cooling tower system when being summer operation of the present invention;
Fig. 4 uses the sketch map of buried guard system and cooling tower system simultaneously when being summer operation of the present invention.
The mark of each parts is following in the accompanying drawing: 1, the first air-conditioning unit; 2, the second air-conditioning unit; 3, first condenser; 4, first evaporimeter; 5, second condenser; 6, second evaporimeter; 7, room conditioning is terminal; 8 (9), water circulating pump; 10 (11), source water pump; 12, cooling water pump; 13, cooling tower; 14, source water collector; 15, source water knockout drum; 16 (17,18,19), switch valve.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1; The embodiment of the invention comprises: the connected mode of the auxiliary heat extraction of cooling tower in a kind of earth-source hot-pump system; Comprise the first air-conditioning unit 1, the second air-conditioning unit 2, room conditioning terminal 7, source water knockout drum 15, source water collector 14 and cooling tower 13; The first air-conditioning unit 1 is made up of first condenser 3 and first evaporimeter 4, and the second air-conditioning unit 2 is made up of second condenser 5 and second evaporimeter 6; The ground source of the ground source confession of the first air-conditioning unit 1, backwater and the second air-conditioning unit 2 supplies, backwater is formed a system through pipeline.
Further, terminal 7, the cooling tower 13 of the said first air-conditioning unit 1 and room conditioning, source water collector 14 and ground source water knockout drum 15 be connected through pipeline; The second air-conditioning unit 2 and room conditioning be terminal 7, source water knockout drum 15, source water collector 14 be connected through pipeline.In order power source to be provided for the water circulation in the pipeline; First condenser 3 of the first air-conditioning unit 1 is provided with cooling water pump 12 with cooling tower 13 connecting lines; Second condenser 5 of first condenser 3 of the first air-conditioning unit and the second air-conditioning unit 2 and ground source water collector 14, be provided with first evaporimeter 4 of two source water pumps 10 and 11, the first air-conditioning units 1 simultaneously on the pipeline that is connected of source water knockout drum 15 and second evaporimeter 6 of the second air-conditioning unit 2 is provided with two water circulating pumps 8 and 9 with terminal 7 connecting lines of room conditioning.
In addition the first air-conditioning unit 1 and the second air-conditioning unit 2 and room conditioning terminal 7, source water knockout drum 15, the connecting line of source water collector 14, cooling tower 13 be provided with four switch valves 16,17,18 and 19, make under the flow path base area in the pipeline hot unbalance situation adjust control.
See also Fig. 2; Earth-source hot-pump system is when summer operation; The chilled water that second evaporimeter 6 of first evaporimeter 4 of the first air-conditioning unit 1 and the second air-conditioning unit 2 produces is sent to room conditioning terminal 7; The cooling water that second condenser 5 of first condenser 3 of the first air-conditioning unit 1 and the second air-conditioning unit 2 produces is sent to ground source water knockout drum 15; Above-mentioned two groups of cooling waters get into ground heat exchanger heat radiation together, and in first condenser 3 through getting back to the first air-conditioning unit 1 behind the ground source water collector 14 more respectively and second condenser 5 of the second air-conditioning unit 2, the heat radiation of accomplishing cooling water circulates.
See also Fig. 3, when earth-source hot-pump system needs 1 air-conditioning unit of operation following of the less situation of cooling load, can the base area under the thermal balance situation to select be to adopt the cooling tower heat radiation or adopt the ground heat exchanger heat radiation.When adopting cooling tower to dispel the heat; The chilled water that first evaporimeter 4 of the first air-conditioning unit 1 produces is sent to room conditioning terminal 7; The cooling water that first condenser 3 of the first air-conditioning unit 1 produces is sent to cooling tower 13 and dispels the heat; The heat radiation back is got back in first condenser 3 of the first air-conditioning unit 1 through cooling water pump 12, accomplishes the heat radiation circulation; When adopting ground heat exchanger to dispel the heat; The chilled water that second evaporimeter 6 of the second air-conditioning unit 2 produces is sent to room conditioning terminal 7; The cooling water that second condenser 5 of the second air-conditioning unit 2 produces is sent to ground source water knockout drum 15 and is sent to ground heat exchanger; Through in second condenser 5 that returns the second air-conditioning unit 2 behind the ground source water collector 14, accomplish the heat radiation circulation then.
See also Fig. 4; When earth-source hot-pump system moves under the situation of refrigeration in summer; The chilled water that second evaporimeter 6 of first evaporimeter 4 of the first air-conditioning unit 1 and the second air-conditioning unit 2 produces is sent to room conditioning terminal 7; The cooling water that first condenser 3 of the first air-conditioning unit 1 produces is sent to cooling tower 13 and dispels the heat, and gets back in first condenser 3 of the first air-conditioning unit 1 through cooling water pump 12 then, accomplishes the heat radiation circulation; The cooling water that second condenser 5 of the second air-conditioning unit 2 produces is sent to ground source water knockout drum 15 and is sent to ground heat exchanger, then through in second condenser 5 of getting back to the second air-conditioning unit 2 behind the ground source water collector 14, accomplishes the heat radiation circulation.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. the connected mode of the auxiliary heat extraction of cooling tower in the earth-source hot-pump system; It is characterized in that; Comprise: the first air-conditioning unit, the second air-conditioning unit, room conditioning be terminal, the source water knockout drum, source water collector and cooling tower, the said first air-conditioning unit and room conditioning end, cooling tower, the source water collector and the source water knockout drum be connected through pipeline; The said second air-conditioning unit and room conditioning be terminal, source water collector and ground source water knockout drum be connected through pipeline.
2. the connected mode of the auxiliary heat extraction of cooling tower in the earth-source hot-pump system according to claim 1; It is characterized in that: the said first air-conditioning unit comprises first condenser and first evaporimeter, on said first condenser and the pipeline that cooling tower is connected cooling water pump is set; The said second air-conditioning unit comprises second condenser and second evaporimeter, said first condenser and second condenser and ground source water collector, be provided with two source water pumps simultaneously on the pipeline that is connected of source water knockout drum.
3. the connected mode of the auxiliary heat extraction of cooling tower in the earth-source hot-pump system according to claim 1 is characterized in that: the said first air-conditioning unit and the second air-conditioning unit and room conditioning end, the source water knockout drum, the connecting line of source water collector, cooling tower be provided with four switch valves.
4. the connected mode of the auxiliary heat extraction of cooling tower is characterized in that: be provided with two water circulating pumps simultaneously on second evaporimeter of first evaporimeter of the said first air-conditioning unit and the second air-conditioning unit and the room conditioning connecting tube of end road in the earth-source hot-pump system according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101553987A CN102644984A (en) | 2012-05-18 | 2012-05-18 | Connecting type of cooling tower auxiliary heat extraction in ground-source heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101553987A CN102644984A (en) | 2012-05-18 | 2012-05-18 | Connecting type of cooling tower auxiliary heat extraction in ground-source heat pump system |
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| CN102644984A true CN102644984A (en) | 2012-08-22 |
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| CN2012101553987A Pending CN102644984A (en) | 2012-05-18 | 2012-05-18 | Connecting type of cooling tower auxiliary heat extraction in ground-source heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135339A1 (en) * | 2014-03-10 | 2015-09-17 | 广东金贝节能科技有限公司 | Water tower applied to central air-conditioner for water source heat pump |
| CN108955040A (en) * | 2018-10-08 | 2018-12-07 | 珠海格力电器股份有限公司 | Integrated refrigeration station and its control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201803527U (en) * | 2010-09-27 | 2011-04-20 | 挪信能源技术（上海）有限公司 | Cooling water system of ground source heat pump |
| CN201837000U (en) * | 2009-11-26 | 2011-05-18 | 广西钧富凰地源热泵有限公司 | Soil source composite heating and cooling air conditioner system |
| CN202648022U (en) * | 2012-05-18 | 2013-01-02 | 苏州际能环境能源技术有限公司 | Connection system for auxiliary heat removal of cooling tower in ground source heat pump system |
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2012
- 2012-05-18 CN CN2012101553987A patent/CN102644984A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837000U (en) * | 2009-11-26 | 2011-05-18 | 广西钧富凰地源热泵有限公司 | Soil source composite heating and cooling air conditioner system |
| CN201803527U (en) * | 2010-09-27 | 2011-04-20 | 挪信能源技术（上海）有限公司 | Cooling water system of ground source heat pump |
| CN202648022U (en) * | 2012-05-18 | 2013-01-02 | 苏州际能环境能源技术有限公司 | Connection system for auxiliary heat removal of cooling tower in ground source heat pump system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135339A1 (en) * | 2014-03-10 | 2015-09-17 | 广东金贝节能科技有限公司 | Water tower applied to central air-conditioner for water source heat pump |
| US9964318B2 (en) | 2014-03-10 | 2018-05-08 | Guangdong Jinbei Energy-Efficient Technology Co. Ltd | Water tower applied to the water source heat pump central air conditioner |
| CN108955040A (en) * | 2018-10-08 | 2018-12-07 | 珠海格力电器股份有限公司 | Integrated refrigeration station and its control method |
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Application publication date: 20120822 |