CN200986259Y - Recirculated cooling water heating system - Google Patents
Recirculated cooling water heating system Download PDFInfo
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- CN200986259Y CN200986259Y CNU2006201479688U CN200620147968U CN200986259Y CN 200986259 Y CN200986259 Y CN 200986259Y CN U2006201479688 U CNU2006201479688 U CN U2006201479688U CN 200620147968 U CN200620147968 U CN 200620147968U CN 200986259 Y CN200986259 Y CN 200986259Y
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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]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model discloses a cycle cooling water heating and heat supply system, which is mainly formed by communicating a heat interchanger(6), a mediator water cycle pump(8), an evaporator(9), a compressor(10), a condenser(11), an expansion throttle(12), a heating water cycle pump(14) through pipeline and valves. The utility model is aimed at changing the traditional open-type evaporation cooling temperature reduction method in which the cooling tower convects to the atmosphere, but adopt the closed-type temperature reduction cooling of heat interchanger or evaporator, at the same time reducing the temperature of the circulating and cooling water, the system can also extract and recycle the low temperature heat energy to supply heat to the users. Adopting the system in a heating and power plant, or a large size petroleum chemical plant, no boiler rooms are needed to be built and no coal, oil and natural gas are consumed, thus can solve the heat supply of the building for a few million square meters, reduce environment pollution, save energy and protect the environment, as well as improve the utilization rate of heat energy.
Description
Affiliated technical field
The utility model belongs to a kind of recirculated cooling water heating system.
Background technology
At present, the place of every a large amount of use recirculated cooling waters, as: thermal power plant, steam power plant, petroleum refining factory, large chemical plant etc. mostly adopt two kinds of patterns: a kind of is according to objective natural conditions, natural water sources such as near river, river, lake, sea as recirculated cooling water, are discarded discarded low temperature heat energy.What another generally adopted is that the cooling tower device is set, and forces recirculated cooling water to produce open and atmosphere convection and evaporation and heat-exchange cooling in tower, and low temperature heat energy is discarded among the atmosphere.
Summary of the invention
The purpose of this utility model provides the closed method that cools of a kind of recirculated cooling water, simultaneously, can also be the system of hot user heating heat supply.
For realizing the purpose of this utility model, mainly form by heat exchanger, intermediary's water-circulating pump, working medium evaporimeter, working medium compressor, working medium condenser, working medium expansion throttling valve, heat supply water-circulating pump and pipeline and valve.1, recirculated cooling water enters the heat exchanger cooling of being lowered the temperature by circulating pump, pipeline and valve.2, intermediary's water is constantly carried low temperature heat energy by circulating pump, pipeline and valve and is delivered to the working medium evaporimeter by heat exchanger.3, working medium constantly circulates between working medium evaporimeter and working medium condenser by working medium compressor, working medium expansion throttling valve, pipeline and valve, and low temperature heat energy is transferred to the working medium condenser by extraction in the working medium evaporimeter and conveying.4, low temperature heat energy can improve certain temperature in the working medium condenser, and in the time can satisfying hot user heating heat supply temperature parameter needs, heat supply water flows to hot user heating heat supply to heat energy by circulating pump.5, working medium evaporimeter, working medium compressor, working medium condenser, working medium expansion throttling valve and pipeline are formed the compression heat pump unit jointly.At present, generally can adopt motor-driven electronic compression type heat pump assembly.Consume the electric energy of 1KW, can and reclaim the 3KW low temperature heat energy for recirculated cooling water cooling cooling, can be used for heating for hot user produces 4KW heat energy simultaneously, heating efficiency is 1: 3.6-4.6.
Description of drawings
Fig. 1 recirculated cooling water heating system schematic diagram;
The another kind of system schematic of Fig. 2 embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, recirculated cooling water heating system of the present utility model is described in detail.
As shown in Figure 1, the utility model includes 1, by-pass valve control, and 2, cooling tower, 3, cooling pond, 4, by-pass valve control, 5, by-pass valve control, 6, heat exchanger, 7, by-pass valve control, 8, intermediary's water-circulating pump, 9, working medium evaporimeter, 10, working medium compressor, 11, the working medium condenser, 12, working medium expansion throttling valve, 13, hot user, 14, the heat supply water-circulating pump.
Fig. 1 has provided this practical recirculated cooling water heating system schematic diagram.
1, as shown in Figure 1, heat exchanger 6 is communicated with circulation water factory circulation pipeline by by-pass valve control 5.7 and pipeline.
Described recirculated cooling water enters cooling in the cooling tower 2 by pipeline and by-pass valve control 1, and cooled recirculated cooling water is pooled to cooling pond 3, turns back in the production technology by by-pass valve control 4 then and comes into operation.Native system also can allow recirculated cooling water not enter cooling tower 2, but directly enter heat exchanger 6 by the adjusting control of by-pass valve control 1,4,5,7, after the cooling cooling that recirculated cooling water is closed, turns back in the production technology and comes into operation.
2, as shown in Figure 1, working medium evaporimeter 9 is communicated with heat exchanger 6 by intermediary's water-circulating pump 8 and pipeline.Described intermediary water is by circulating pump 8 and pipeline, and that does not stop between heat exchanger 6 and working medium evaporimeter 9 circulates, and the low temperature heat energy in the recirculated cooling water is extracted in heat exchanger 6 reclaim and conveying is transferred among the working medium evaporimeter 9.
3, as shown in Figure 1, working medium condenser 11, be communicated with working medium evaporimeter 9 by working medium compressor 10, working medium expansion throttling valve 12 and pipeline.
Described heat pump fluid is by circulating between pipeline and working medium compressor 10, working medium condenser 11, working medium expansion throttling valve 12, the working medium evaporimeter 9.Working medium is compressed in compressor 10, becomes liquid by gaseous state in condenser 11, discharges gasification latent heat, and working medium becomes gaseous state by liquid state by expansion throttling valve 12 in evaporimeter 9, absorb gasification latent heat.By circulating of working medium, the low temperature heat energy that extract to reclaim carried by working medium evaporimeter 9 be delivered among the working medium condenser 11.And, in this cyclic process, can also improve certain temperature to low temperature heat energy, how many temperature can improve, and depends primarily on temperature, the performance of heat pump fluid and the running efficiency of compressor of recirculated cooling water.
4, as shown in Figure 1, hot user 13 is communicated with working medium condenser 11 by heat supply circulating pump 14 and pipeline.
Described is hot user heating heat supply, be to reach the circulation water for heating of uniform temperature condition by pipeline and circulating pump 14, the heat energy that improves uniform temperature is flowed to hot user 13 by 11 transfers of working medium condenser, can be hot user's 13 winter heating heat supplies, also can also supply the plant produced device as new environmental protection and energy saving thermal source simultaneously for hot user prepares the domestic hot-water.
Fig. 2 has provided the another kind of system schematic of the utility model embodiment.
Difference and the feature of Fig. 2 embodiment and Fig. 1 are: when the graininess and the concentration of suspension of recirculated cooling water, water quality index such as PH pH value can satisfy source pump safe operation requirement, can not corrode and stop up working medium evaporimeter 9, when the manufacturing technique requirent of factory can allow again, can in native system, cancel heat exchanger 6, cancellation intermediary's water circulating pipe pipeline and circulating pump 8 allow recirculated cooling water directly enter among the working medium evaporimeter 9 by pipeline and by-pass valve control 5.7.Like this, not only can reduce investment outlay, operational management is convenient, can also improve the source pump heating efficiency, reduces native system operating cost expense.
The beneficial effects of the utility model are:
1, the Xun ring traditional cooling tower Zhong of cooling water You Yu the open Zheng of atmosphere convection feels cold but cooling side Formula is changed into the closed cooling down method that adopts native system, can reduce recirculated water evaporation loss 2-5% saves valuable water resource.
2, adopt this Zhuan Zhi, Zai can also extract and reclaim its low temperature in the cooling of Xun ring cooling water temperature The hot user heating heat supply of heat energy Wei can be built Heating Boiler, can solve 1,000,000 square metres of Yi The central heating of calculating is for heat problem.
Claims (2)
1, a kind of recirculated cooling water heating system is characterized in that:
It is by by-pass valve control (1,4,5,7), cooling tower (2), cooling pond (3), heat exchanger (6), intermediary's water-circulating pump (8), working medium evaporimeter (9), working medium compressor (10), working medium condenser (11), working medium expansion throttling valve (12), hot user (13), heat supply water-circulating pump (14) is formed;
Heat exchanger (6) is communicated with the recirculating cooling water system pipeline of circulation water factory by by-pass valve control (5,7) and pipeline;
Working medium evaporimeter (9) is communicated with heat exchanger (6) by intermediary's water-circulating pump (8) and pipeline;
Working medium condenser (11) is communicated with working medium evaporimeter (9) by working medium compressor (10), working medium expansion throttling valve (12) and pipeline;
Hot user (13) is communicated with working medium condenser (11) by heat supply water-circulating pump (14) and pipeline.
2, system according to claim 1 is characterized in that, (9 directly are communicated with the recirculating cooling water system pipeline of circulation water factory by by-pass valve control (5,7) and pipeline the working medium evaporimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201479688U CN200986259Y (en) | 2006-10-31 | 2006-10-31 | Recirculated cooling water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201479688U CN200986259Y (en) | 2006-10-31 | 2006-10-31 | Recirculated cooling water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200986259Y true CN200986259Y (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006201479688U Expired - Fee Related CN200986259Y (en) | 2006-10-31 | 2006-10-31 | Recirculated cooling water heating system |
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| CN (1) | CN200986259Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881564A (en) * | 2010-04-15 | 2010-11-10 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Cooling device for circulating water system of wet cooling unit |
| CN102147121A (en) * | 2010-02-04 | 2011-08-10 | 陈连祥 | Central heating system utilizing condensing and cooling heat in form of gradient |
| CN102607091A (en) * | 2012-04-09 | 2012-07-25 | 天津临港大地新能源建设发展有限公司 | Combination method of waste heat of low-temperature industrial circulating cooling water and regional centralized heat supply |
| CN102788448A (en) * | 2012-06-29 | 2012-11-21 | 苟仲武 | Energy-saving emission-reducing energy comprehensive utilization system for construction |
| CN104197585A (en) * | 2014-09-02 | 2014-12-10 | 湖南省工业设备安装有限公司 | Combined type heat pump and heat source system and method for heat exchanging through power plant cooling system |
| CN104251577A (en) * | 2014-09-30 | 2014-12-31 | 黄河水电光伏产业技术有限公司 | Closed-cycle cooling system for refrigeration equipment |
| CN104279788A (en) * | 2013-07-08 | 2015-01-14 | 北京华航盛世能源技术有限公司 | Process system capable of utilizing waste heat and complementary energy of cooling water of blast furnace |
| CN108050737A (en) * | 2017-12-13 | 2018-05-18 | 阳谷祥光铜业有限公司 | A kind of recirculated water heat-energy recovering apparatus and method |
-
2006
- 2006-10-31 CN CNU2006201479688U patent/CN200986259Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147121A (en) * | 2010-02-04 | 2011-08-10 | 陈连祥 | Central heating system utilizing condensing and cooling heat in form of gradient |
| CN102147121B (en) * | 2010-02-04 | 2014-08-20 | 陈连祥 | Central heating system utilizing condensing and cooling heat in form of gradient |
| CN101881564A (en) * | 2010-04-15 | 2010-11-10 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Cooling device for circulating water system of wet cooling unit |
| CN102607091A (en) * | 2012-04-09 | 2012-07-25 | 天津临港大地新能源建设发展有限公司 | Combination method of waste heat of low-temperature industrial circulating cooling water and regional centralized heat supply |
| CN102607091B (en) * | 2012-04-09 | 2014-11-05 | 天津临港大地新能源建设发展有限公司 | Combination method of waste heat of low-temperature industrial circulating cooling water and regional centralized heat supply |
| CN102788448A (en) * | 2012-06-29 | 2012-11-21 | 苟仲武 | Energy-saving emission-reducing energy comprehensive utilization system for construction |
| CN104279788A (en) * | 2013-07-08 | 2015-01-14 | 北京华航盛世能源技术有限公司 | Process system capable of utilizing waste heat and complementary energy of cooling water of blast furnace |
| CN104197585A (en) * | 2014-09-02 | 2014-12-10 | 湖南省工业设备安装有限公司 | Combined type heat pump and heat source system and method for heat exchanging through power plant cooling system |
| CN104251577A (en) * | 2014-09-30 | 2014-12-31 | 黄河水电光伏产业技术有限公司 | Closed-cycle cooling system for refrigeration equipment |
| CN108050737A (en) * | 2017-12-13 | 2018-05-18 | 阳谷祥光铜业有限公司 | A kind of recirculated water heat-energy recovering apparatus and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20101031 |