CN105258424A - Circulating cooling water system energy conservation method based on strengthened heat transmission - Google Patents
Circulating cooling water system energy conservation method based on strengthened heat transmission Download PDFInfo
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- CN105258424A CN105258424A CN201510774092.3A CN201510774092A CN105258424A CN 105258424 A CN105258424 A CN 105258424A CN 201510774092 A CN201510774092 A CN 201510774092A CN 105258424 A CN105258424 A CN 105258424A
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Abstract
The invention provides a circulating cooling water system energy conservation method based on strengthened heat transmission. According to the circulating cooling water system energy conservation method, a connection pipeline, a heat exchanger, a cooling tower and a cooling water pump are involved, wherein the connection pipeline is used for conveying circulating water and the heat exchanger, the cooling tower and the cooling water pump are sequentially connected through the connection pipeline in the flow direction of the circulating water. The circulating cooling water system energy conservation method is characterized in that the heat exchanger is an efficient heat exchange device, the cooling water pump is a low-energy-consumption cooling water pump adapting to a system, and the efficient heat exchange device is a plate heat exchanger or shell-and-tube heat exchanger. According to the circulating cooling water system energy conservation method, the heat exchange efficiency of the heat exchanger is improved through transformation or replacement, and the cooling water pump is regulated or transformed into the low-energy-consumption cooling water pump adapting to the system so that energy conservation can be achieved.
Description
Technical field
The present invention relates to a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer, belong to energy technology field.
Background technology
Heat exchanger is key position in recirculating cooling water system, and improve the heat exchange efficiency of heat exchanger, reduce coolant pump energy consumption to economize energy, reduce costs, protection of the environment etc. are significant.
At present, there is the shortcoming of heat exchange efficiency difference in the main shell-and-tube heat exchanger adopted.Show as, cooling approach temperature large (cooling approach temperature=cooled medium outlet temperature-cooling water leaving water temperature).Meanwhile, impurities in water easily precipitates, form dirt, affects heat exchange efficiency, unfavorable to technical cooling.Existing method improves design margin (namely according to larger cooling approach temperature standard design), causes the waste of cooling water pump power.
Therefore, a kind of new technical scheme is needed to solve the problems referred to above.
Summary of the invention
Object of the present invention, is to provide a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer.Its structure is simple, investment economy is reasonable, is conducive to reducing recirculating cooling water system energy consumption.
Specific embodiment of the invention scheme is: a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer, comprise connecting pipe for transmitting recirculated water and along circular flow direction successively by heat exchanger, cooling tower and cooling water pump that connecting pipe connects, described heat exchanger is high-efficiency heat exchanger, and described cooling water pump is the low energy consumption cooling water pump adapted with system.
Further, the implementation method of described high-efficiency heat exchanger is the shell-and-tube heat exchanger that replacing plate type heat exchanger or replacing have enhanced heat transfer character.
Further, the implementation method of described high-efficiency heat exchanger is implement augmentation of heat transfer transformation to existing heat exchanger, for efficient thermoexcell changed by existing heat exchanger, or disturbing flow device is set in the heat exchanger tube of existing heat exchanger, or be that tube bundle support changed by existing heat exchanger, or be the supporting On Line Foul Removing Technology device of existing heat exchanger, or more the above combinations of both or both.
Further, described efficient thermoexcell is finned tube, or spiral grooved tube, or transversally flute tube, or bellows, or more the combination of two or more form.
Further, described disturbing flow device is twisted strip, or twisted strip, or static mixer, or helix spring, or silk screen porous body, or more the combination of two or more form.
Further, described tube bundle support is rod baffle, or cavity ring, or acanthopore diaphragm, or more the combination of two or more form.
Further, the described low energy consumption cooling water pump adapted with system is the water pump that the actual process for cooling demand of lift, flow and system matches.
Further, the water pump that the actual process for cooling demand of described lift, flow and system matches, its implementation is the supporting change pole motor of water pump, or servomotor, or permanent magnetism velocity modulation electric engine, or is provided with the common motor of frequency converter; Or control to run quantity with the low energy consumption cooling water pump that system adapts by cooling water temperature, the control device of operating mode is connected; Or adopt the water pump selection of different flow, lift.
Compared with prior art, the present invention has following beneficial effect: investment economy of the present invention is reasonable, by changing high-performance heat exchanger or the heat exchange efficiency by the existing heat exchanger of transformation raising, the supporting low energy consumption cooling water pump adapted with system simultaneously, can obtain under equal heat transfer boundary condition, reduce cool cycles flow (and part cool cycles resistance), produce obvious energy saving effect and benefit.
Accompanying drawing explanation
Fig. 1 is system schematic before the transformation of a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer of the present invention;
Fig. 2 is a kind of recirculating cooling water system power-economizing method one based on augmentation of heat transfer of the present invention: the system schematic changing high-performance heat exchanger;
Fig. 3 is a kind of recirculating cooling water system power-economizing method two based on augmentation of heat transfer of the present invention: carry out enhanced transformation to existing heat exchanger---change efficient thermoexcell system schematic;
Fig. 4 is a kind of recirculating cooling water system power-economizing method three based on augmentation of heat transfer of the present invention: be existing heat exchanger supporting On Line Foul Removing Technology device schematic diagram.
Wherein: 1, heat exchanger, 2, by-pass valve control, 3, cooling tower, 4, cooling water pump, 5, pipeline, 6, the low energy consumption cooling water pump that adapts with system, 7, high-performance heat exchanger, 8, efficient thermoexcell, 9, apparatus for eliminating sludge.
Detailed description of the invention
As shown in Figure 1, for system schematic before a kind of transformation of the recirculating cooling water system power-economizing method based on augmentation of heat transfer, comprise heat exchanger 1, by-pass valve control 2, cooling tower 3, water circulating pump 4 and the connecting pipe 5 for transmitting recirculated water that recirculated water can be made successively to be communicated with.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail
Case study on implementation one, as shown in Figure 2, present case is that existing heat exchanger 1 is replaced by high-performance heat exchanger 7, and described high-performance heat exchanger 7 is plate type heat exchanger, and original cooling water pump 4 is replaced by the low energy consumption cooling water pump 6 adapted with system.This method, by changing high-performance heat exchanger 7, improves heat exchange efficiency, reduces cool cycles flow, and is equipped with the low energy consumption cooling water pump 6 adapted with system, realize energy-conservation.
In case study on implementation one, described high-performance heat exchanger 7 also can be the shell-and-tube heat exchanger (legend is not shown) with enhanced heat transfer character
Case study on implementation two, as shown in Figure 3, present case is when existing heat exchanger 1 is for shell-and-tube heat exchanger, enhanced transformation schematic diagram is carried out to existing heat exchanger 1, be efficient thermoexcell 8 by the replacing heat-exchange tube of existing heat exchanger 1, described efficient thermoexcell 8 is band pipe or spiral fin coil, also can be the spiral grooved tube with efficient augmentation of heat transfer, bellows etc.Original cooling water pump 4 is replaced by the low energy consumption cooling water pump 6 adapted with system.This method changes into wadding stream mode, the heat-transfer effect of enhanced heat exchange device by the laminar condition of the cooling water in forced heat-exchanging pipe when low flow velocity, and the low energy consumption cooling water pump 6 that the system that is equipped with adapts, realize energy-conservation.
In case study on implementation two, describedly enhanced transformation is carried out to existing heat exchanger 1 also disturbing flow device can be set by the heat exchanger tube of existing heat exchanger 1, as: twisted strip or helical ribbon, also can be static mixer, and helix spring and silk screen porous body etc., legend does not show.
In case study on implementation two, described to existing heat exchanger 1 carry out enhanced transformation also can change in existing heat exchanger 1 Novel tube bundle support as rod baffle, cavity ring, acanthopore diaphragm etc., legend does not show.
Case study on implementation three, present case is existing heat exchanger supporting On Line Foul Removing Technology device schematic diagram, namely on existing heat exchanger 1 arrival end pipeline or heat exchanger tube sheet is provided with apparatus for eliminating sludge 9(as types such as electromagnetism, high frequency, glueballs, ultrasonic waves), and be equipped with the low energy consumption cooling water pump 6 adapted with system, reduce heat exchanger thermal resistance by apparatus for eliminating sludge 9 and realize energy-conservation.
In above-mentioned case study on implementation, connecting pipe 5 is the water stream channel of composition recirculating cooling water system, and containing the necessary device such as connecting hose, valve, instrument, remote auto control, legend does not show.
The present invention can be built project and provides reducing energy consumption, also can provide energy-saving design for grassroot project, is suitable for industry and central air-conditioning hydrologic cycle cooling system.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (8)
1. the recirculating cooling water system power-economizing method based on augmentation of heat transfer, comprise connecting pipe for transmitting recirculated water and along circular flow direction successively by heat exchanger, cooling tower and cooling water pump that connecting pipe connects, it is characterized in that: described heat exchanger is high-efficiency heat exchanger, described cooling water pump is the low energy consumption cooling water pump adapted with system.
2. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 1, the implementation method of described high-efficiency heat exchanger is the shell-and-tube heat exchanger that replacing plate type heat exchanger or replacing have enhanced heat transfer character.
3. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 1, the implementation method of described high-efficiency heat exchanger is implement augmentation of heat transfer transformation to existing heat exchanger, for efficient thermoexcell changed by existing heat exchanger, or disturbing flow device is set in the heat exchanger tube of existing heat exchanger, or be that tube bundle support changed by existing heat exchanger, or be the supporting On Line Foul Removing Technology device of existing heat exchanger, or more the above combinations of both or both.
4. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 3, described efficient intensify heat transfer pipe is finned tube, or spiral grooved tube, or transversally flute tube, or bellows, or more the combination of two or more form.
5. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 3, described disturbing flow device is twisted strip, or twisted strip, or static mixer, or helix spring, or silk screen porous body, or more the combination of two or more form.
6. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 3, described tube bundle support is rod baffle, or cavity ring, or acanthopore diaphragm, or more the combination of two or more form.
7. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 1, the described low energy consumption cooling water pump adapted with system is the water pump that the actual process for cooling demand of lift, flow and system matches.
8. a kind of recirculating cooling water system power-economizing method based on augmentation of heat transfer according to claim 7, the water pump that the actual process for cooling demand of described lift, flow and system matches, its implementation is the supporting change pole motor of water pump, or servomotor, or permanent magnetism velocity modulation electric engine, or be provided with the common motor of frequency converter; Or control to run quantity with the low energy consumption cooling water pump that system adapts by cooling water temperature, the control device of operating mode is connected; Or adopt the water pump selection of different flow, lift.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510774092.3A CN105258424A (en) | 2015-11-13 | 2015-11-13 | Circulating cooling water system energy conservation method based on strengthened heat transmission |
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| CN201510774092.3A CN105258424A (en) | 2015-11-13 | 2015-11-13 | Circulating cooling water system energy conservation method based on strengthened heat transmission |
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| CN105258424A true CN105258424A (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694748A (en) * | 2019-02-27 | 2019-04-30 | 河北科技大学 | Calcium carbide wet process acetylene enclosed scale inhibition cooling system |
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| CN2745017Y (en) * | 2004-08-27 | 2005-12-07 | 华南理工大学 | Shell and tube type coaxial dual cyclone heat-exchange apparatus |
| CN202880931U (en) * | 2012-09-14 | 2013-04-17 | 大连大学 | Automatic water taking and pollution removing device and system using sewage or surface water cold-heat source |
| CN203964520U (en) * | 2014-07-30 | 2014-11-26 | 西安奥邦科技有限责任公司 | A kind of heating type closed water cooling equipment automatically |
| CN204757500U (en) * | 2015-06-25 | 2015-11-11 | 福建德兴节能科技有限公司 | Low energy consumption recirculating cooling water system based on eliminate return water residual pressure |
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2015
- 2015-11-13 CN CN201510774092.3A patent/CN105258424A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745017Y (en) * | 2004-08-27 | 2005-12-07 | 华南理工大学 | Shell and tube type coaxial dual cyclone heat-exchange apparatus |
| CN202880931U (en) * | 2012-09-14 | 2013-04-17 | 大连大学 | Automatic water taking and pollution removing device and system using sewage or surface water cold-heat source |
| CN203964520U (en) * | 2014-07-30 | 2014-11-26 | 西安奥邦科技有限责任公司 | A kind of heating type closed water cooling equipment automatically |
| CN204757500U (en) * | 2015-06-25 | 2015-11-11 | 福建德兴节能科技有限公司 | Low energy consumption recirculating cooling water system based on eliminate return water residual pressure |
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| 尉迟斌等: "《实用制冷与空调工程手册》", 30 September 2001, 机械工业出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109694748A (en) * | 2019-02-27 | 2019-04-30 | 河北科技大学 | Calcium carbide wet process acetylene enclosed scale inhibition cooling system |
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