CN105333550A - Process cooling heat recovery device for air conditioner heating system - Google Patents
Process cooling heat recovery device for air conditioner heating system Download PDFInfo
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- CN105333550A CN105333550A CN201510847655.7A CN201510847655A CN105333550A CN 105333550 A CN105333550 A CN 105333550A CN 201510847655 A CN201510847655 A CN 201510847655A CN 105333550 A CN105333550 A CN 105333550A
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- water
- heat exchanger
- air conditioner
- conditioner cold
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides a process cooling heat recovery device for an air conditioner heating system. The process cooling heat recovery device comprises a cooling tower, a gas-fired hot water boiler, a plurality of water-loop heat pumps, a cooling heat exchanger and a water-water heat exchanger. A water inlet of the cooling heat exchanger is connected with a low-temperature water outlet of the water-water heat exchanger, a water outlet of the cooling heat exchanger is connected with a high-temperature water inlet of the water-water heat exchanger, a high-temperature water outlet of the water-water heat exchanger is connected with an air conditioner cold and hot water supply loop, and a low-temperature water inlet of the water-water heat exchanger is connected with an air conditioner cold and hot water return loop. According to the process cooling heat recovery device, through the cooling heat exchanger arranged in process equipment and the water-water heat exchanger arranged at the user side of an air conditioner, heat generated by the process equipment is converted to heat which is supplied to the air conditioner heating system and has a proper temperature, and therefore the heat generated by the process equipment can be fully recovered, the required amount of fuel gas of the gas-fired hot water boiler can be effectively reduced, and the purpose of saving energy is further achieved.
Description
Technical field
The present invention relates to technical cooling heat reclamation device, particularly a kind of technical cooling heat reclamation device being used in air-conditioning heating system.
Background technology
Current global energy crisis, energy consumption standard is in continuous raising, and various energy conserving system slowly infiltrates all trades and professions.Industrial enterprise belongs to big power consumer, and energy-saving and emission-reduction also become one of main task of most of industrial enterprise.Industrial enterprise also obtained good achievement in energy-saving and emission-reduction in recent years.But for the heat that some process equipments produce, because the taste of its temperature is not high, the place that can utilize is few, and this part heat is taken away or directly directly drained into outdoor by Air flow by most of industrial enterprise or Selection utilization cooling water, will not utilize.These energy just wasting in vain.Found by investigation, the used heat that process equipment produces is considerable, and most of industrial enterprise also have noticed this point, just suffers from and can not find suitable method and recycle.
Existing a lot of Industrial air conditioner adopts cooling tower as low-temperature receiver, gas-fired water heating boiler is as thermal source, cooling tower and gas-fired water heating boiler are connected to form air conditioner cold and hot water for water loops and air conditioner cold and hot water backwater loop by pipeline, jointly being coordinated by cooling tower and gas-fired water heating boiler to make air conditioner cold and hot water remain on 20-30 DEG C for the water in water loops, the water inlet of the water-loop heat pump of such air-conditioner set is connected for water loops, air conditioner cold and hot water backwater loop with air conditioner cold and hot water respectively with delivery port, so just can keep water-loop heat pump system stable operation.If the used heat that process equipment produces can be used in air conditioner cold and hot water in water loops, air conditioner cold and hot water backwater loop, so just technical cooling heat effectively can be reclaimed, and then can the wasting of resources be reduced.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide and a kind ofly technical cooling heat effectively can be reclaimed and be used for the device of air-conditioning heating system.
For achieving the above object and other relevant objects, the invention provides a kind of technical cooling heat reclamation device for air-conditioning heating system, comprise cooling tower, gas-fired water heating boiler and several water-loop heat pump, the delivery port of described cooling tower is connected for water loops with air conditioner cold and hot water, the water inlet of described cooling tower is connected with air conditioner cold and hot water backwater loop, the delivery port of described gas-fired water heating boiler is connected for water loops with air conditioner cold and hot water, the water inlet of described gas-fired water heating boiler is connected with air conditioner cold and hot water backwater loop, the water inlet of described water-loop heat pump is connected for water loops with described air conditioner cold and hot water, the delivery port of described water-loop heat pump is connected with described air conditioner cold and hot water backwater loop, this device also comprises and is arranged on heat of cooling heat exchanger in process equipment and water water-to-water heat exchanger, the water inlet of described heat of cooling heat exchanger is connected with the low temperature delivery port of described water water-to-water heat exchanger, the delivery port of described heat of cooling heat exchanger is connected with the high-temperature inlet water mouth of described water water-to-water heat exchanger, the high-temperature water outlet mouth of described water water-to-water heat exchanger is connected for water loops with described air conditioner cold and hot water, the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop, the pipeline that high-temperature water outlet mouth and the described air conditioner cold and hot water of described water water-to-water heat exchanger are connected for water loops is provided with the first control valve, the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with the second control valve.
Preferably, the pipeline that the water inlet of described heat of cooling heat exchanger is connected with the low temperature delivery port of described water water-to-water heat exchanger is provided with the first thermal cycle recovery pump and the first temperature sensor.
Preferably, the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with energy meter.
Preferably, the high-temperature water outlet mouth of described water water-to-water heat exchanger is provided with the second temperature sensor with the pipeline that described air conditioner cold and hot water is connected for water loops.
Preferably, the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with the second thermal cycle recovery pump.
As mentioned above, technical cooling heat reclamation device for air-conditioning heating system of the present invention has following beneficial effect: this technical cooling heat reclamation device is by being arranged on the heat of cooling heat exchanger of process equipment inside and being arranged on the water water-to-water heat exchanger of air conditioner user side, the heat that process equipment produces is converted to the heat of air-conditioning heating system Applicable temperature, the heat that process equipment produces fully can be reclaimed like this, effectively can reduce the demand of gas-fired water heating boiler to combustion gas, and then reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Element numbers explanation
1, cooling tower 2, gas-fired water heating boiler 3, air conditioner cold and hot water backwater loop 4, air conditioner cold and hot water are for water loops 5, second control valve 6, first control valve 7, second temperature sensor 8, energy meter 9, second thermal cycle recovery pump 10, water water-to-water heat exchanger 11, process equipment 12, heat of cooling heat exchanger 13, first temperature sensor 14, first thermal cycle recovery pump 15, water-loop heat pump 16, three-temperature sensor.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of technical cooling heat reclamation device for air-conditioning heating system, comprise cooling tower 1, gas-fired water heating boiler 2 and several water-loop heat pump 15, cooling tower 1, gas-fired water heating boiler 2 and water-loop heat pump 15 form the water supply and return system of air-conditioning for water loops 4 by air conditioner cold and hot water backwater loop 3, air conditioner cold and hot water, air conditioner cold and hot water remains on 20-30 DEG C for the water in water loops 4, so just can realize the stable operation of water-loop heat pump.
The delivery port of cooling tower 1 is connected for water loops 4 with air conditioner cold and hot water, the water inlet of cooling tower 1 is connected with air conditioner cold and hot water backwater loop 3, the delivery port of gas-fired water heating boiler 2 is connected for water loops 4 with air conditioner cold and hot water, the water inlet of gas-fired water heating boiler 2 is connected with air conditioner cold and hot water backwater loop 3, the water inlet of water-loop heat pump 15 is connected for water loops 4 with air conditioner cold and hot water, and the delivery port of water-loop heat pump 15 is connected with air conditioner cold and hot water backwater loop 3.Also be provided with three-temperature sensor 16 at air conditioner cold and hot water in water loops 4, three-temperature sensor 16 can be used for judging whether the operation of air-conditioning system enters Heating State, and this technical cooling heat reclamation device only just can come into operation under Heating State.
This device also comprises and is arranged on heat of cooling heat exchanger 12 in process equipment 11 and water water-to-water heat exchanger 10, the water inlet of heat of cooling heat exchanger 12 is connected with the low temperature delivery port of water water-to-water heat exchanger 10, the delivery port of heat of cooling heat exchanger 12 is connected with the high-temperature inlet water mouth of water water-to-water heat exchanger 10, the high-temperature water outlet mouth of water water-to-water heat exchanger 10 is connected for water loops 4 with air conditioner cold and hot water, the low temperature water inlet of water water-to-water heat exchanger 10 is connected with air conditioner cold and hot water backwater loop 3, the pipeline that high-temperature water outlet mouth and the air conditioner cold and hot water of water water-to-water heat exchanger 10 are connected for water loops 4 is provided with the first control valve 6, the pipeline that the low temperature water inlet of water water-to-water heat exchanger 10 is connected with air conditioner cold and hot water backwater loop 3 is provided with the second control valve 5.First control valve 6, second control valve 5 supplies water in water loops 4, air conditioner cold and hot water backwater loop 3 the need of to air conditioner cold and hot water for controlling water water-to-water heat exchanger 10.
The pipeline that high-temperature water outlet mouth and the air conditioner cold and hot water of water water-to-water heat exchanger 10 are connected for water loops 4 is provided with the second temperature sensor 7.The pipeline that the low temperature water inlet of water water-to-water heat exchanger 10 is connected with air conditioner cold and hot water backwater loop 3 is provided with the second thermal cycle recovery pump 9.Second temperature sensor 7 is for detecting recuperation of heat in use, and the hot water supply water temperature of reality by reclaiming, whether the running status being used for detecting heat recovery system is normal, thus control the second heat recovery cycle water pump 9 works.The pipeline that the low temperature water inlet of water water-to-water heat exchanger 10 is connected with air conditioner cold and hot water backwater loop 3 is provided with energy meter 8, and energy meter 8 can carry out the metering that recovers energy and detection, thus obtains the precise information of energy saving.
The pipeline that the water inlet of heat of cooling heat exchanger 12 is connected with the low temperature delivery port of water water-to-water heat exchanger 10 is provided with the first thermal cycle recovery pump 14 and the first temperature sensor 13.First temperature sensor 13 is used to judge whether the running status of process equipment has surplus heat and can utilize, if temperature is lower than 30 degrees Celsius, then illustrate that process equipment is not in operation, or load factor is too low, without the economy recycled.If temperature higher than or equal 30 degrees Celsius, then illustrating now has surplus heat can utilize, and is at this moment opened by the first heat recovery cycle water pump 14, heat is carried out circulating transfer.
Technical cooling heat recovery system applies in water loop heat pump air conditioning system by this technical cooling heat reclamation device being used for air-conditioning heating system, water loop heat pump air conditioning system requires that the temperature of air-conditioner circulating water is between 20 ~ 30 DEG C, require to reduce a lot than the circulating water temperature of 40 ~ 45 DEG C during conventional air conditioning system heat supply, as long as the temperature of process cooling water can be applicable to this system higher than 35 degree, greatly expand its scope of application.This system has not only reclaimed the waste heat that process equipment produces in addition, reduces the load of air-conditioning system, decreases the refrigeration duty required for the cooling of technical cooling equipment simultaneously, and then reaches energy-conservation object.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (5)
1. the technical cooling heat reclamation device for air-conditioning heating system, comprise cooling tower, gas-fired water heating boiler and several water-loop heat pump, the delivery port of described cooling tower is connected for water loops with air conditioner cold and hot water, the water inlet of described cooling tower is connected with air conditioner cold and hot water backwater loop, the delivery port of described gas-fired water heating boiler is connected for water loops with air conditioner cold and hot water, the water inlet of described gas-fired water heating boiler is connected with air conditioner cold and hot water backwater loop, the water inlet of described water-loop heat pump is connected for water loops with described air conditioner cold and hot water, the delivery port of described water-loop heat pump is connected with described air conditioner cold and hot water backwater loop, it is characterized in that: this device also comprises and is arranged on heat of cooling heat exchanger in process equipment and water water-to-water heat exchanger, the water inlet of described heat of cooling heat exchanger is connected with the low temperature delivery port of described water water-to-water heat exchanger, the delivery port of described heat of cooling heat exchanger is connected with the high-temperature inlet water mouth of described water water-to-water heat exchanger, the high-temperature water outlet mouth of described water water-to-water heat exchanger is connected for water loops with described air conditioner cold and hot water, the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop, the pipeline that high-temperature water outlet mouth and the described air conditioner cold and hot water of described water water-to-water heat exchanger are connected for water loops is provided with the first control valve, the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with the second control valve.
2. the technical cooling heat reclamation device for air-conditioning heating system according to claim 1, is characterized in that: the pipeline that the water inlet of described heat of cooling heat exchanger is connected with the low temperature delivery port of described water water-to-water heat exchanger is provided with the first thermal cycle recovery pump and the first temperature sensor.
3. the technical cooling heat reclamation device for air-conditioning heating system according to claim 1, is characterized in that: the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with energy meter.
4. the technical cooling heat reclamation device for air-conditioning heating system according to claim 1, is characterized in that: the pipeline that high-temperature water outlet mouth and the described air conditioner cold and hot water of described water water-to-water heat exchanger are connected for water loops is provided with the second temperature sensor.
5. the technical cooling heat reclamation device for air-conditioning heating system according to claim 1, is characterized in that: the pipeline that the low temperature water inlet of described water water-to-water heat exchanger is connected with described air conditioner cold and hot water backwater loop is provided with the second thermal cycle recovery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847655.7A CN105333550A (en) | 2015-11-27 | 2015-11-27 | Process cooling heat recovery device for air conditioner heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847655.7A CN105333550A (en) | 2015-11-27 | 2015-11-27 | Process cooling heat recovery device for air conditioner heating system |
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| CN105333550A true CN105333550A (en) | 2016-02-17 |
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| CN201510847655.7A Pending CN105333550A (en) | 2015-11-27 | 2015-11-27 | Process cooling heat recovery device for air conditioner heating system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064546A (en) * | 2005-08-31 | 2007-03-15 | Hitachi Eng Co Ltd | Waste heat recovery facility |
| CN201014828Y (en) * | 2007-03-12 | 2008-01-30 | 海信集团有限公司 | Water-loop heat pump type frequency conversion multi-online system |
| CN201476201U (en) * | 2009-08-31 | 2010-05-19 | 浙江省建筑科学设计研究院有限公司 | Scattered type water-ring earth source heat pump air conditioning system |
| CN203584730U (en) * | 2013-12-03 | 2014-05-07 | 苏州英科工程技术服务有限公司 | Air compressor heat recovery system for air conditioner heat supply system |
| CN203628788U (en) * | 2013-12-20 | 2014-06-04 | 石家庄国融安能分布能源技术有限公司 | Distributed heat pump heat supply system utilizing waste heat of circulating water |
| CN203797887U (en) * | 2014-04-29 | 2014-08-27 | 胡启林 | Device for recycling both air conditioner waste heat and waste bathing water waste heat |
| CN205208809U (en) * | 2015-11-27 | 2016-05-04 | 苏州英科工程技术服务有限公司 | A technology cooling heat reclamation device for air conditioner heating system |
-
2015
- 2015-11-27 CN CN201510847655.7A patent/CN105333550A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064546A (en) * | 2005-08-31 | 2007-03-15 | Hitachi Eng Co Ltd | Waste heat recovery facility |
| CN201014828Y (en) * | 2007-03-12 | 2008-01-30 | 海信集团有限公司 | Water-loop heat pump type frequency conversion multi-online system |
| CN201476201U (en) * | 2009-08-31 | 2010-05-19 | 浙江省建筑科学设计研究院有限公司 | Scattered type water-ring earth source heat pump air conditioning system |
| CN203584730U (en) * | 2013-12-03 | 2014-05-07 | 苏州英科工程技术服务有限公司 | Air compressor heat recovery system for air conditioner heat supply system |
| CN203628788U (en) * | 2013-12-20 | 2014-06-04 | 石家庄国融安能分布能源技术有限公司 | Distributed heat pump heat supply system utilizing waste heat of circulating water |
| CN203797887U (en) * | 2014-04-29 | 2014-08-27 | 胡启林 | Device for recycling both air conditioner waste heat and waste bathing water waste heat |
| CN205208809U (en) * | 2015-11-27 | 2016-05-04 | 苏州英科工程技术服务有限公司 | A technology cooling heat reclamation device for air conditioner heating system |
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Application publication date: 20160217 |