CN202132212U - Cooling-circulating-water waste heat recovery system for air compression station - Google Patents
Cooling-circulating-water waste heat recovery system for air compression station Download PDFInfo
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- CN202132212U CN202132212U CN 201120086784 CN201120086784U CN202132212U CN 202132212 U CN202132212 U CN 202132212U CN 201120086784 CN201120086784 CN 201120086784 CN 201120086784 U CN201120086784 U CN 201120086784U CN 202132212 U CN202132212 U CN 202132212U
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- water
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a cooling-circulating-water waste heat recovery system for an air compression station. The system comprises an upper computer, a DCS control cabinet connected with the upper computer, an air-compressor cooling water loop, an absorption-type heat pump unit and a boiler deaerator supplemented water loop, wherein the air-compressor cooling water loop, the absorption-type heat pump unit and the boiler deaerator supplemented water loop are connected with the DCS control cabinet, respectively. The absorption-type heat pump unit is also connected with the upper computer. The air-compressor cooling water loop is connected with a cooling tower as well. By the absorption-type heat pump unit, waste heat of air-compressor cooling circulating water can be extracted to heat supplemented water of a deaerator of a boiler, and redundant waste heat can be transmitted to the cooling tower to be cooled, so as to guarantee that the air compressor runs normally. In this way, the waste heat of the air-compressor cooling circulating water can be wholly or partially recovered according to the heat demands, thereby achieving the aims of significantly saving energy and water resources.
Description
Technical field
The utility model belongs to low temperature exhaust heat recovery technology field, is specifically related to a kind of air compressor plant cooling circulating water residual neat recovering system.
Background technique
The air compressor plant cooling circulating water is because its temperature is lower, and its temperature and outdoor temperature are suitable when generally advancing air compressor, and temperature raises 5-10 ℃ approximately when going out air compressor, so this low temperature exhaust heat is difficult to adopt traditional heat exchanging tube heat exchange method to reclaim.Though domesticly at present reclaim the technology of low temperature exhaust heat at utilization and extention absorption heat pump progressively, the relevant report of utilizing absorption heat pump to reclaim the steam-condenser of thermal power plants cooling water heat is also arranged, do not see the systematicness of air compressor plant cooling circulating water heat recovery is used.Therefore, domestic needleless report that air compressor plant cooling circulating water low temperature exhaust heat is reclaimed still at present.
On the other hand, the cooling circulating water of domestic existing air compressor plant need pass through cooling tower and cool off, and to realize the circulation cooling to air compressor, has so not only wasted the waste heat in the cooling circulating water of air compressor plant, and cooling tower also will consume a large amount of electric energy and moisturizing; Thermoelectricity plant needs continuously in boiler feed, to replenish cold water again in order to guarantee its steam supply simultaneously, is heated into steam via boiler again, thereby causes the huge waste of the energy and water resources.
The model utility content
The utility model is in order to overcome the deficiency of existing technology; The occasion that has air compressor plant and thermoelectricity plant is at the same time utilized a kind of residual neat recovering system, and air compressor plant cooling circulating water waste heat is extracted; In order to the moisturizing of heating boiler oxygen-eliminating device, to reach the purpose of remarkable energy saving and water resources.
For realizing above-mentioned purpose, the utility model adopts following technological scheme.
The air compressor plant cooling circulating water residual neat recovering system that the utility model provides; The DCS that comprise upper-position unit, links to each other (Distributed Control System with said upper-position unit; Be Distributed Control System) control cabinet, the air compressor cool cycles water lines, the boiler feed water pipe that link to each other respectively with said DCS control cabinet, the absorption type heat pump assembly; Said absorption type heat pump assembly also links to each other with said upper-position unit; Said absorption type heat pump assembly also links to each other with said air compressor cool cycles water lines, links to each other with said boiler feed water pipe through the hot water pipe through the heat source water pipeline.
Also be connected with the steam pipework of input steam on the said absorption type heat pump assembly.
On said air compressor cool cycles water lines, boiler feed water pipe, heat source water pipeline, hot water pipe, the steam pipework thermometer, pressure gauge are installed; Steam reducing valve, steam regulation valve, flowmeter, heat integrating instrument also are installed on the said steam pipework; Flowmeter, heat integrating instrument also are installed on the said hot water pipe; On said air compressor cool cycles water lines, the heat source water pipeline electronic water regulating valve is installed also.
Said air compressor cool cycles water lines also links to each other with the cooling tower pipeline.
Thermometer, pressure gauge, electronic water regulating valve are installed on the said cooling tower pipeline.
Advantage of the utility model and beneficial effect are: the utility model can be according to boiler feed with the waste heat in all or part of recovery air compressor of the heat demand cooling circulating water; And the intelligent circulation control between automatic or manual realization residual neat recovering system and air compressor cool cycles water lines, the boiler feed water pipe fully; Under the prerequisite that guarantees the normal cooling effect of air compressor; Practice thrift the coal-fired consumption of boiler, energy-saving effect is remarkable, and fractional energy savings can reach 30-40%.
Description of drawings
Fig. 1 is the air compressor plant cooling circulating water residual neat recovering system structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is detailed, but not as the restriction to the utility model.
Air compressor plant cooling circulating water heat recovery for the utility model shown in Figure 1 with utilize the system architecture schematic representation; Air compressor cool cycles water lines, boiler feed water pipe that said air compressor plant cooling circulating water residual neat recovering system comprises upper-position unit, the DCS control cabinet that links to each other with said upper-position unit, links to each other respectively with said DCS control cabinet, the absorption type heat pump assembly; Said absorption type heat pump assembly also links to each other with said upper-position unit; Said absorption type heat pump assembly also links to each other with said air compressor cool cycles water lines, links to each other with said boiler feed water pipe through the hot water pipe through the heat source water pipeline.
Said air compressor cool cycles water lines also links to each other with the cooling tower pipeline.
Also be connected with the steam pipework (not shown) of input steam on the said absorption type heat pump assembly.
The working principle of the said residual neat recovering system of the utility model is following:
(1) utilizes said absorption type heat pump assembly, the waste heat of air compressor cooling circulating water is extracted, in order to the moisturizing of heating boiler oxygen-eliminating device.The saturated vapour that said waste heat leaching process need have certain pressure, temperature drives, and required steam is imported said absorption type heat pump assembly by steam pipework;
(2) utilize said upper-position unit; Monitor said air compressor cool cycles water lines, absorption type heat pump assembly, the pressure of boiler feed water pipe, temperature, flow indicator; And according to boiler feed refill flow and the inlet temperature of air compressor cooling circulating water through said absorption type heat pump assembly extraction cooled temperature of waste heat and needs heating; Automatically regulate the endless form between air compressor cooling circulating water and the absorption type heat pump assembly heat source water; Thereby regulate air compressor cooling circulating water waste heat extracted amount automatically, and unnecessary air compressor cooling circulating water waste heat is delivered to said cooling tower cooling;
(3) utilize said DCS control cabinet; Realize the communication between said upper-position unit and said pressure gauge, thermometer, flowmeter, steam reducing valve, steam regulation valve, heat integrating instrument, the electronic water regulating valve; And carry out the control command that said upper-position unit sends; Utilize said ipc monitor, steam regulation pressure, as required the steam regulation flow.
Wherein, said endless form comprises the circulation of full cut-off formula, the open cycle of part enclosed part.In the said full cut-off formula endless form, the air compressor cooling circulating water all gets into said absorption type heat pump assembly; In the said part enclosed part open cycle mode, air compressor cool cycles water section gets into said absorption heat pump machine and gets into cooling tower; The switching of said endless form realizes through the automatic adjusting to the electronic water regulating valve on the air compressor cool cycles water lines.
With Jiangsu thermoelectricity plant is example, and this thermoelectricity plant outwards provides steam simultaneously in generating, per hour needs 90 tons of boiler feed moisturizing (well water+water of condensation) average out to approximately, and boiler feed moisturizing initial temperature is about 50 ℃.This thermoelectricity plant also has an air compressor plant, and wherein the air compressor cool cycles water yield is about 160 tons/hour, and the temperature difference is about 10 ℃ before and after the air compressor cooling circulating water turnover air compressor.This factory uses heat demand according to air compressor cooling circulating water residual heat resources and boiler feed moisturizing, utilizes the residual neat recovering system of the utility model, implements the heat recovery scheme.
The residual neat recovering system of the utility model under the prerequisite of the cooling effect that guarantees air compressor, extracts the waste heat in the air compressor cooling circulating water, supplies with boiler feed after the boiler feed moisturizing is heated to 80 ℃-85 ℃ from 50 ℃.Native system has no influence to the crucial operating index of thermoelectricity plant such as degree of vacuum, boiler feed water level, pressure etc.The energy saving of system rate is about 35%, and thermoelectricity plant's overall thermal efficient improves above 1%, and every day, total coal conservation was about 6 tons (it is 5500 kilocalories electricity coals that this thermoelectricity plant uses coal every day), annual about 2200 tons of the mark coal of practicing thrift, and effects of energy saving and emission reduction is fairly obvious.
Claims (4)
1. air compressor plant cooling circulating water residual neat recovering system; It is characterized in that; Air compressor cool cycles water lines, boiler feed water pipe that said system comprises upper-position unit, the DCS control cabinet that links to each other with said upper-position unit, links to each other respectively with said DCS control cabinet, the absorption type heat pump assembly; Said absorption type heat pump assembly also links to each other with said upper-position unit; Said absorption type heat pump assembly also links to each other with said air compressor cool cycles water lines, links to each other with said boiler feed water pipe through the hot water pipe through the heat source water pipeline.
2. the system of claim 1 is characterized in that, also is connected with the steam pipework of input steam on the said absorption type heat pump assembly.
3. system as claimed in claim 2 is characterized in that, on said air compressor cool cycles water lines, boiler feed water pipe, heat source water pipeline, hot water pipe, the steam pipework thermometer, pressure gauge is installed; Steam reducing valve, steam regulation valve, flowmeter, heat integrating instrument also are installed on the said steam pipework; Flowmeter, heat integrating instrument also are installed on the said hot water pipe; On said air compressor cool cycles water lines, the heat source water pipeline electronic water regulating valve is installed also.
4. system as claimed in claim 3 is characterized in that, said air compressor cool cycles water lines also links to each other with the cooling tower pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120086784 CN202132212U (en) | 2011-03-28 | 2011-03-28 | Cooling-circulating-water waste heat recovery system for air compression station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120086784 CN202132212U (en) | 2011-03-28 | 2011-03-28 | Cooling-circulating-water waste heat recovery system for air compression station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132212U true CN202132212U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120086784 Expired - Fee Related CN202132212U (en) | 2011-03-28 | 2011-03-28 | Cooling-circulating-water waste heat recovery system for air compression station |
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| CN (1) | CN202132212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200117A (en) * | 2011-03-28 | 2011-09-28 | 北京中科华誉能源投资管理有限公司 | System and method for recycling waste heat of cooling circulated water of air compression station |
| CN106958520A (en) * | 2017-04-12 | 2017-07-18 | 中机意园工程科技股份有限公司 | A kind of residual heat of air compressor reclaims long distance control system |
-
2011
- 2011-03-28 CN CN 201120086784 patent/CN202132212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200117A (en) * | 2011-03-28 | 2011-09-28 | 北京中科华誉能源投资管理有限公司 | System and method for recycling waste heat of cooling circulated water of air compression station |
| CN106958520A (en) * | 2017-04-12 | 2017-07-18 | 中机意园工程科技股份有限公司 | A kind of residual heat of air compressor reclaims long distance control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120201 Termination date: 20140328 |