CN100467965C - Condensation heat recovery device for central air conditioner - Google Patents
Condensation heat recovery device for central air conditioner Download PDFInfo
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- CN100467965C CN100467965C CNB200610025905XA CN200610025905A CN100467965C CN 100467965 C CN100467965 C CN 100467965C CN B200610025905X A CNB200610025905X A CN B200610025905XA CN 200610025905 A CN200610025905 A CN 200610025905A CN 100467965 C CN100467965 C CN 100467965C
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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]
- Y02B30/56—Heat recovery units
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Abstract
The invention discloses a condensed heat recycle device of central air conditioner, which can solve the defects of present technique as lower efficiency, high energy consumption and worse flexibility. Wherein, the invention is connected to the refrigerating system; a heat recycler is arranged on the tube between the compressor and the condenser of refrigerating system; the input of heat recycler via condensed heat recycle pump is connected to the external water resource; the output of heat recycler is connected to the hot water supplier; the output of heat recycler is connected to a temperature sensor; said temperature sensor and the condensed heat recycle pump are both connected to the intelligent control box. The invention can improve the refrigerating efficiency, reduce the operation cost, save energy and reduce the environment pollution.
Description
Technical field
The present invention relates to field of energy-saving technology, especially relate to a kind of central air-conditioning condensing heat retracting device.
Background technology
For a long time, people rely on central air-conditioning electric refrigerating machine group to freeze, and provide comfortable living environment in the summer of sweltering heat for people.Yet a large amount of heats that produce in the course of the work for central air-conditioning electric refrigerating machine group are never too much paid close attention to, and can not get effective utilization after making a large amount of heats be discharged in the atmosphere, waste.On the other hand, how people again for fast and effeciently reducing the temperature of central air-conditioning cooling water, saves the power consumption of refrigeration unit and explore various solutions.
In order to address the above problem, someone has applied for that a kind of combined type central air-conditioning condensing heat recuperation of heat by name utilizes system's application number: 200510029872.1 patent, it is characterized in that by preheating plate type heat exchanger, heat storage water tank, water-water heat pump unit, tubing pump, tubing pump, supply-water pump, circulating pump, concurrent heating water pump and some valves connect to form through pipeline, and are connected with the original city water tank in hotel, handpiece Water Chilling Units condenser, water supply tank, heat supply plate type heat exchanger.This system can extract 37 ℃ the cooling water of being about that flows out from the handpiece Water Chilling Units condenser out, and part is sent into the preheating table heat exchanger, adds hot tap-water, sends into heat storage water tank through the Shui Yilu of preheating, and another road goes to the boiler room to do boiler feedwater.The heat pump condenser that water is sent into the water-water heat pump unit in the heat storage water tank further circulation is heated to about 50 ℃, is used to supply the domestic hot-water.
The such scheme structure is comparatively complicated, the cost of manufacture height, and range of application is subjected to certain limitation.The pattern of work is single, can't adjust various piece according to the working condition of reality and cooperate in harmony.On the other hand, the utilization ratio of heat is not high, and heat exchange is abundant inadequately, causes the loss of heat in the circulation heating process easily.
Summary of the invention
The objective of the invention is at the problems referred to above, a kind of design, rationally distributed is provided, effectively utilizes the heat that refrigeration unit produces, improve refrigerating efficiency, reduce power consumption, and according to the central air-conditioning condensing heat retracting device of the each several part co-ordination in the working condition control system; It is not high to have solved existing in prior technology Btu utilization efficient, and energy loss is big, the technical problem of the relatively poor grade of the flexibility of work.
For achieving the above object, the present invention has adopted following technical proposal: this central air-conditioning condensing heat retracting device, be connected on the central air-conditioning refrigeration system, it is characterized in that, heat regenerator of serial connection in the compressor of refrigeration system and the pipeline between the condenser, the input of heat regenerator reclaims pump by condensation heat and links to each other with external water source, and the output of heat regenerator links to each other with hot water supply system, is provided with a temperature sensor at the output of heat regenerator; Described temperature sensor reclaims pump with condensation heat and all links to each other with intelligent control box.
The present invention creatively absorbs the heat of the cryogen that flows out from compressor by a heat regenerator.The cold water at cryogen and external water source flows in heat regenerator respectively independently, and carries out exchange heat.The heat of cryogen flows to condenser after being absorbed a part, and the cold water at external water source becomes flow of hot water later on to hot water supply system having absorbed heat.Intelligent control box can be controlled condensation heat and reclaim pump work, when refrigeration unit is worked, opens condensation recuperation of heat pump is supplied cold water from external water source to heat regenerator by intelligent control box.Temperature sensor detects the heat absorption situation at external water source, when temperature is lower than setting value, can correspondingly control the work that condensation heat reclaims pump by intelligent control box, slows down the flow velocity of water, so that carry out sufficient exchange heat.
In above-mentioned central air-conditioning condensing heat retracting device, described heat regenerator is serially connected in the described hot water supply system with after a heat exchanger is in parallel.When refrigeration unit is not worked, can provide hot water for hot water supply system by heat exchanger, improved operation flexibility of the present invention effectively.
In above-mentioned central air-conditioning condensing heat retracting device, the output of described heat regenerator links to each other with hot water supply system by hot water circulating pump.Hot water circulating pump can promote flowing of water, is convenient to carrying out smoothly of heat exchange.
In above-mentioned central air-conditioning condensing heat retracting device, the output of described condenser links to each other with output with the input of cooling tower respectively with input, output at cooling tower is connected with temperature sensor and cooling water pump, and described temperature sensor all links to each other with intelligent control box with cooling water pump.Intelligent control box can be by the work of temperature sensor and cooling water pump control cooling tower, and the coolant temperature after being lowered the temperature by heat regenerator is lower than when setting value, can be by closing the working method saves energy of blower fan of cooling tower.
Compared with prior art, the advantage of this central air-conditioning condensing heat retracting device is:
1, improve the unit refrigerating efficiency, the condensation by heat regenerator promotion cryogen increases heat exchange area, and cooling water temperature is fully descended, and refrigerating efficiency can be significantly improved, and reduces power consumption.
2, be equipped with perfect Based Intelligent Control, coolant water temperature is controlled, can make cooling blower reduce power consumption, reduce the influence of fan noise environment.
3, the heat that produces in the refrigeration system effectively is used, solves the hot water supply problem, improved the effective rate of utilization of heat, significantly reduced operating cost.
4, reduced the discharging of heat to atmosphere, heat is recycled, not only energy savings but also reduce the thermal pollution of environment realized unit efficiency utilization maximization.
Description of drawings
Accompanying drawing is the structural representation of central air-conditioning condensing heat retracting device provided by the invention.
Among the figure, compressor 1, condenser 2, heat regenerator 3, condensation heat reclaim pump 4, external water source 5, hot water supply system 6, temperature sensor 7, intelligent control box 8, heat exchanger 9, hot water circulating pump 10, cooling tower 11, cooling tower filler layer 11a, cooling water pump 12, attemperater 13, water outlet port 14, cooling blower 15, evaporimeter 16, choke valve 17, fan coil 18, new blower fan group 19, variable air rate unit 20, refrigerant pump 21, automatic water supply tank 22, chilled water pipeline a, cooling water pipeline b, hot water line c, water as refrigerant pipeline d.
The specific embodiment
As shown in the figure, this central air-conditioning condensing heat retracting device is connected on the central air-conditioning refrigeration system.Comprise that heat regenerator 3, condensation heat reclaim pump 4, external water source 5, hot water supply system 6, temperature sensor 7, intelligent control box 8 etc.The cooling water system that comprises the chilled-water system that is formed by connecting by chilled water pipeline a in the whole system, is formed by connecting by cooling water pipeline b, the hot water supply system 6 that is formed by connecting by hot water line c and the water as refrigerant pipeline d of refrigeration unit.
Be in series with evaporimeter 16, compressor 1, condenser 2 and choke valve 17 on the water as refrigerant pipeline d successively, form a loop.Two ends at evaporimeter 16 are connected with chilled-water system.On chilled-water system, be parallel with fan coil 18, new blower fan group 19, variable air rate unit 20, and promote to flow by refrigerant pump 21.Chilled-water system can lead to each room, realizes refrigeration.
Heat regenerator 3 of serial connection in the compressor 1 of refrigeration system and the cooling water pipeline b between the condenser 2, the input of heat regenerator 3 reclaims pump 4 by condensation heat and links to each other with external water source 5, and the output of heat regenerator 3 links to each other with the hot water line c of hot water supply system 6 by hot water circulating pump 10.After cryogen flowed out from compressor 1, process heat regenerator 3 was to condenser 2.The cold water at cryogen and external water source 5 flows in heat regenerator 3 respectively independently, and carries out exchange heat.The heat of cryogen flows to condenser 2 after being absorbed a part, and the cold water at external water source 5 becomes flow of hot water later on to hot water supply system 6 having absorbed heat.Hot water supply system 6 comprises the attemperater 13 that links to each other with hot water circulating pump 10, the some water outlet ports 14 that link to each other with attemperater 13.Whole hot water supply system 6 forms a loop.
Output at heat regenerator 3 is provided with a temperature sensor 7, and temperature sensor 7 all links to each other with intelligent control box 8 with condensation heat recovery pump 4.Intelligent control box 8 can be controlled condensation heat and reclaim pump 4 work, when refrigeration unit is worked, opens the cold water of condensation recuperation of heat pump 4 to the external water source 5 of heat regenerator 3 supplies by intelligent control box 8.Temperature sensor 7 detects the heat absorption situation at external water source 5, when temperature is lower than setting value, can correspondingly control the work that condensation heat reclaims pump 4 by intelligent control box 8, slows down the flow velocity of water, so that carry out sufficient exchange heat.
After heat regenerator 3 and a heat exchanger 9 are in parallel, be serially connected in the described hot water supply system 6.Like this, when refrigeration unit is worked, can utilize the heat hot-water supply of absorption; When refrigeration unit is not worked, can make use of the present invention have more flexibility by heat exchanger 9 for hot water supply system 6 provides hot water.
The output of condenser 2 links to each other with output with the input of cooling tower 11 respectively with input, is connected with temperature sensor 7 and cooling water pump 12 at the output of cooling tower 11.Have cooling tower filler layer 11a in the cooling tower 11, automatic water supply tank 22 links to each other with cooling tower 11.Temperature sensor 7 all links to each other with intelligent control box 8 with cooling water pump 12.Intelligent control box 8 can when being lower than setting value by the coolant temperature after heat regenerator 3 coolings, can reduce power consumption by the work of intelligent control box 8 control cooling blowers 15 by the work of temperature sensor 7 and cooling water pump 12 control cooling towers 11.
A large amount of heats that the present invention can effectively utilize the central air-conditioning condenser cooling water to discharge reduce and avoid energy waste and city thermal pollution, can be widely used in hotel, hotel, outdoor bathing place and need the service trade and the manufacturing industry of technology cold water and hot water simultaneously.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used compressor 1 morely, condenser 2, heat regenerator 3, condensation heat reclaims pump 4, external water source 5, hot water supply system 6, temperature sensor 7, intelligent control box 8, heat exchanger 9, hot water circulating pump 10, cooling tower 11, cooling tower filler layer 11a, cooling water pump 12, attemperater 13, water outlet port 14, cooling blower 15, evaporimeter 16, choke valve 17, fan coil 18, new blower fan group 19, variable air rate unit 20, refrigerant pump 21, automatic water supply tank 22, chilled water pipeline a, cooling water pipeline b, hot water line c, terms such as water as refrigerant pipeline d, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (3)
1, a kind of central air-conditioning condensing heat retracting device, be connected on the central air-conditioning refrigeration system, it is characterized in that, a serial connection heat regenerator (3) in the compressor (1) of refrigeration system and the pipeline between the condenser (2), the input of heat regenerator (3) reclaims pump (4) by condensation heat and links to each other with external water source (5), the output of heat regenerator (3) links to each other with hot water supply system (6), is provided with a temperature sensor (7) at the output of heat regenerator (3); Described temperature sensor (7) reclaims pump (4) with condensation heat and all links to each other with intelligent control box (8); Temperature sensor (7) detects the heat absorption situation at external water source (5), when temperature is lower than setting value, can correspondingly control the work that condensation heat reclaims pump (4) by intelligent control box (8), slows down the flow velocity of water; The output of described heat regenerator (3) links to each other with hot water supply system (6) by hot water circulating pump (10); Hot water supply system (6) also comprises the attemperater (13) that links to each other with hot water circulating pump (10), the some water outlet ports (14) that link to each other with attemperater (13), and whole hot water supply system (6) forms a loop.
2, central air-conditioning condensing heat retracting device according to claim 1 is characterized in that, described heat regenerator (3) is serially connected in the described hot water supply system (6) with after a heat exchanger (9) is in parallel.
3, central air-conditioning condensing heat retracting device according to claim 1 and 2, it is characterized in that, the output of described condenser (2) links to each other with output with the input of cooling tower (11) respectively with input, output at cooling tower (11) is connected with temperature sensor (7) and cooling water pump (12), described temperature sensor (7) all links to each other with intelligent control box (8) with cooling water pump (12), when being lower than setting value by the coolant temperature after heat regenerator (3) cooling, can be by closing the working method saves energy of cooling tower (11) blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610025905XA CN100467965C (en) | 2006-04-21 | 2006-04-21 | Condensation heat recovery device for central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610025905XA CN100467965C (en) | 2006-04-21 | 2006-04-21 | Condensation heat recovery device for central air conditioner |
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| CN1844776A CN1844776A (en) | 2006-10-11 |
| CN100467965C true CN100467965C (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200610025905XA Expired - Fee Related CN100467965C (en) | 2006-04-21 | 2006-04-21 | Condensation heat recovery device for central air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168849A (en) * | 2011-03-07 | 2011-08-31 | 肖鹏 | System effectively recycling low-grade condensing heat for preheating supplemented water of boilers |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311639B (en) * | 2007-05-25 | 2010-05-19 | 南京理工大学 | Integral units of air conditioner condensation heat reclamation and free cold supply of cooling column and applied system |
| CN113218009A (en) * | 2021-03-26 | 2021-08-06 | 深圳通利机电工程有限公司 | Combined central air conditioner condensation heat recycling system and method |
-
2006
- 2006-04-21 CN CNB200610025905XA patent/CN100467965C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168849A (en) * | 2011-03-07 | 2011-08-31 | 肖鹏 | System effectively recycling low-grade condensing heat for preheating supplemented water of boilers |
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| CN1844776A (en) | 2006-10-11 |
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Inventor after: Zhang Xingxing Inventor before: Ma Kaicong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160202 Address after: 317600, Yuhuan County, Zhejiang Province, Hong Kong foreshore industrial zone Patentee after: Taizhou Kaitao Valve Co., Ltd. Address before: 317605 Zhejiang province Yuhuan County Truman Zhen Nan Xing Xi Lu the Great Wall Hotel Patentee before: Guanghui Automatic Control Science and Technology Co., Ltd., Taizhou |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20160421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |