CN105222468A - A kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism - Google Patents
A kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism Download PDFInfo
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- CN105222468A CN105222468A CN201510709986.4A CN201510709986A CN105222468A CN 105222468 A CN105222468 A CN 105222468A CN 201510709986 A CN201510709986 A CN 201510709986A CN 105222468 A CN105222468 A CN 105222468A
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Abstract
The present invention relates to a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism, 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, be provided with hydraulic equilibrium mechanism in described recirculating cooling water system, described cooling water pump is the low energy consumption cooling water pump adapted with system.The present invention, by rationally solving the hydraulic equilibrium of open cycle cooling water system, can eliminate partial invalidity cooling flow, and the supporting low energy consumption cooling water pump adapted with system, to reduce energy consumption, realize the order ground that open cycle cooling water system is energy-conservation.
Description
Technical field
The present invention relates to and belong to energy technology field, be specifically related to a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism.
Background technology
At present, industrial circulating cooling water system, (main manifestations is: in recirculating cooling water system, and the backwater end of higher position heat exchanger is higher than cooling tower water inlet end to be mainly open system; Or on pipeline between system end part heat exchanger cooling water outlet pipe and cooling tower water inlet end, have local to be in overbottom pressure running status).There is many difficulties in the hydraulic equilibrium of open cycle cooling water system, mainly relies on artificial repeatedly adjustment at present and form, and still unavoidably there is certain imbalance.When system process changes (as: production capacity or cooling load reduce or other reasons causes technological parameter to change), when needing rebalancing system, owing to regulating difficulty, length consuming time, maximum stream flow can only be adopted to cool, produce energy waste.Patent (CN202579139U) passes through booster pump, frequency converter, flowmeter forms a set of single unit system, adjust the circulation branch road that heat transfer effect is not good enough, realize the hydraulic equilibrium of system, but equipment increases more, investment is large, and solve only the local, local of recirculating cooling water system, the hydraulic equilibrium problem under specified conditions, do not make whole recirculating cooling water system operation energy consumption optimization.
Summary of the invention
The object of the present invention is to provide a kind of recirculating cooling water system to realize energy-conservation method by hydraulic equilibrium and transformation cooling water pump, its structure is simple, investment economy is reasonable, be conducive to reducing cooling system energy consumption.
The technical solution adopted for the present invention to solve the technical problems is: a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism, 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: in recirculating cooling water system, be provided with hydraulic equilibrium mechanism, described cooling water pump is the low energy consumption cooling water pump adapted with system.
Further, described hydraulic equilibrium mechanism is hydraulic jacking tests, or hydraulic equilibrium assembly, or hydraulic equilibrium pipe.
Further, described hydraulic equilibrium mechanism is hydraulic jacking tests, and described hydraulic jacking tests is arranged at system end heat exchanger cooling water inlet place or exit, or on the pipeline of cooling tower water inlet end.
Further, described hydraulic equilibrium mechanism is hydraulic equilibrium assembly, described hydraulic equilibrium assembly is the resistance tube of one or more snippets parallel connection, or the resistance tube with control valve of one or more snippets parallel connection, described hydraulic equilibrium assembly, is arranged on the pipeline between system end heat exchanger cooling water outfall sewer and cooling tower water inlet end.
Further, described hydraulic equilibrium mechanism is hydraulic equilibrium pipe, cooling tower water inlet pipe is elevated to certain altitude by described hydraulic equilibrium Guan Weiyi section, make the pipeline section that is between system end heat exchanger cooling water outfall sewer and hydraulic equilibrium pipe without backwater overbottom pressure running status, and described hydraulic equilibrium pipe is connected with cooling tower water inlet pipe.
Further, described hydraulic equilibrium pipe highest point is provided with gas permeable devices.
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: easy for installation, investment economy is good, effective elimination open cycle cooling water system waterpower unbalance condition, and be equipped with the low energy consumption cooling water pump (or necessary technical finesse is carried out to original cooling water pump) adapted with system, to reduce energy consumption, reach the order ground that open cycle cooling water system is energy-conservation.
Accompanying drawing explanation
Fig. 1 is one of a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism of the present invention: end heat exchanger arranges balanced valve form schematic diagram;
Fig. 2 is a kind of recirculating cooling water system power-economizing method two with hydraulic equilibrium mechanism of the present invention: the pipeline of cooling tower water inlet end is arranged balanced valve form schematic diagram;
Fig. 3 is a kind of recirculating cooling water system power-economizing method three with hydraulic equilibrium mechanism of the present invention: cooling tower water inlet end pipeline is provided with hydraulic equilibrium form of tubes schematic diagram;
Fig. 4 is a kind of recirculating cooling water system power-economizing method four with hydraulic equilibrium mechanism of the present invention: heat exchanger return main pipeline is provided with hydraulic equilibrium form of tubes schematic diagram;
Fig. 5 is a kind of recirculating cooling water system power-economizing method five with hydraulic equilibrium mechanism of the present invention: cooling tower water inlet end pipeline is provided with hydraulic equilibrium kit form schematic diagram.
Wherein: 1, heat exchanger (1-1 low level heat exchanger, 1-2, high-order heat exchanger), 2, hydraulic jacking tests, 3, by-pass valve control, 4, cooling tower, 5, collecting-tank, 6, the low energy consumption cooling water pump that adapts with system, 7, connecting pipe, 8, cooling tower water inlet pipe, 9, water return pipeline, 10, control valve, 11, gas permeable devices.
Detailed description of the invention
As Figure 1-5, the present invention relates to a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism, realize especially by hydraulic equilibrium and transformation cooling water pump, its Major Systems comprises the heat exchanger 1(that recirculated water can be made successively to be communicated with high-order heat exchanger 1-1, low level heat exchanger 1-2), by-pass valve control 3, cooling tower 4, the low energy consumption cooling water pump 6 adapted with system and connecting pipe 7.
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 1, at the high-order heat exchanger 1-2 of recirculating cooling water system end, what the water side of low level heat exchanger 1-1 connected arranges hydraulic equilibrium mechanism respectively, i.e. hydraulic jacking tests 2, hydraulic jacking tests 2 also can be separately positioned on end low level heat exchanger 1-1, and the arrival end of high-order heat exchanger 1-2, legend is not shown.Original cooling water pump is replaced by the low energy consumption cooling water pump 6 adapted with system.
Case study on implementation two, as shown in Figure 2, arranges balanced valve 2 at cooling tower water inlet pipe 8 place of recirculating cooling water system.Original cooling water pump is replaced by the low energy consumption cooling water pump 6 adapted with system.
Case study on implementation one, two realize the hydraulic equilibrium of recirculating cooling water system by the way arranging hydraulic jacking tests 2, by the hydraulic equilibrium of hydraulic jacking tests 2 automatic regulating system.
Case study on implementation three, as Fig. 3, shown in 4, at cooling tower water inlet pipe 8 place, the height of cooling tower water inlet pipe 8 is increased (can adopt the method increasing pipe), and is communicated with air by gas permeable devices 11, or at water return pipeline 9 place of heat exchanger 1, the height of water return pipeline 9 is increased, and communicates with air.The method is by improving effective backwater height, eliminate local on the pipeline between open circulation cooling system end (part) heat exchanger cooling water outlet pipe and cooling tower water inlet end and be in overbottom pressure running status, the method can make system substantially realize automatic hydraulic power balance.Original cooling water pump is replaced by the low energy consumption cooling water pump 6 adapted with system
Case study on implementation four, as shown in Figure 5, one or more groups control valve 10 of one or more groups control valve of increase 10(in parallel and supporting pipeline section on cooling tower water inlet pipe 8, namely aforementioned hydraulic equilibrium assembly is formed), control valve 10 can be manually or automatically, often organize a series connection by-pass valve control 3 on control valve 10, the method utilizes one or more groups resistance assembly to realize the hydraulically balanced method of system, can not balance by influential system because balanced valve is malfunctioning, rely on pipeline section proper drag and control valve 10 to finely tune to balance, system water dynamic balance reliability can be improved.Many groups hydraulic equilibrium assembly, is conducive to circulating cooling system variable-flow operation.Original cooling water pump is replaced by the low energy consumption cooling water pump 6 adapted with system.
Case study on implementation one, two, three, four is the hydraulic equilibriums by adjustment System, eliminate open cycle cooling water system waterpower unbalance condition, and then eliminate the energy consumption waste because recirculating cooling water system waterpower imbalance causes, and be equipped with the low energy consumption cooling water pump 6 adapted with system, reduce energy consumption, reach the order ground that open cycle cooling water system is energy-conservation.
In above-mentioned case study on implementation, connecting pipe 7 is the water stream channel of composition circulating cooling system, and containing the necessary device such as connecting hose, valve, instrument, remote auto control, accompanying drawing 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 recirculating cooling water system.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention are further described; be understood that; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. one kind has the recirculating cooling water system power-economizing method of hydraulic equilibrium mechanism, 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: in recirculating cooling water system, be provided with hydraulic equilibrium mechanism, 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 with hydraulic equilibrium mechanism according to claim 1, described hydraulic equilibrium mechanism is hydraulic jacking tests, or hydraulic equilibrium assembly, or hydraulic equilibrium pipe.
3. a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism according to claim 1 and 2, described hydraulic equilibrium mechanism is hydraulic jacking tests, described hydraulic jacking tests is arranged at system end heat exchanger cooling water inlet place or exit, or on the pipeline of cooling tower water inlet end.
4. a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism according to claim 1 and 2, described hydraulic equilibrium mechanism is hydraulic equilibrium assembly, described hydraulic equilibrium assembly is the resistance tube of one or more snippets parallel connection, or the resistance tube with control valve of one or more snippets parallel connection, described hydraulic equilibrium assembly, is arranged on the pipeline between system end heat exchanger cooling water outfall sewer and cooling tower water inlet end.
5. a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism according to claim 1 and 2, described hydraulic equilibrium mechanism is hydraulic equilibrium pipe, cooling tower water inlet pipe is elevated to certain altitude by described hydraulic equilibrium Guan Weiyi section, make the pipeline section be between system end heat exchanger cooling water outfall sewer and hydraulic equilibrium pipe without backwater overbottom pressure running status, described hydraulic equilibrium pipe is connected with cooling tower water inlet pipe.
6. a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism according to claim 5, described hydraulic equilibrium pipe highest point is provided with gas permeable devices.
7. a kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism 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 with hydraulic equilibrium mechanism 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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| CN201510709986.4A CN105222468A (en) | 2015-10-28 | 2015-10-28 | A kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism |
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| CN201510709986.4A CN105222468A (en) | 2015-10-28 | 2015-10-28 | A kind of recirculating cooling water system power-economizing method with hydraulic equilibrium mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823980A (en) * | 2017-12-11 | 2018-03-23 | 卓卫民 | Throttle type gas-liquid exchange device |
| CN115929585A (en) * | 2022-12-09 | 2023-04-07 | 鞍钢股份有限公司 | Device and method for recycling cooling water of clean-ring high-pressure pump oil box by utilizing excess pressure |
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| JPH07102A (en) * | 1992-03-31 | 1995-01-06 | Mitsuo Anjo | Vacuum cooler with cold accumulating vessel for vegetable |
| EP0584731B1 (en) * | 1992-08-28 | 1997-05-14 | Hauni Maschinenbau Aktiengesellschaft | Mechanism for limiting the working temperature of means of production in the tabacco industry |
| CN103486787A (en) * | 2013-09-29 | 2014-01-01 | 葛洲坝集团第一工程有限公司 | Cold water recycling pipeline device and method for slice ice machine |
| CN203869410U (en) * | 2014-06-13 | 2014-10-08 | 株洲醴陵旗滨玻璃有限公司 | Cooling water circulation system |
| CN104930779A (en) * | 2015-06-25 | 2015-09-23 | 福建德兴节能科技有限公司 | Low-energy-consumption circulating cooling water system used for removing backwater excess pressure and transformation method |
-
2015
- 2015-10-28 CN CN201510709986.4A patent/CN105222468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07102A (en) * | 1992-03-31 | 1995-01-06 | Mitsuo Anjo | Vacuum cooler with cold accumulating vessel for vegetable |
| EP0584731B1 (en) * | 1992-08-28 | 1997-05-14 | Hauni Maschinenbau Aktiengesellschaft | Mechanism for limiting the working temperature of means of production in the tabacco industry |
| CN103486787A (en) * | 2013-09-29 | 2014-01-01 | 葛洲坝集团第一工程有限公司 | Cold water recycling pipeline device and method for slice ice machine |
| CN203869410U (en) * | 2014-06-13 | 2014-10-08 | 株洲醴陵旗滨玻璃有限公司 | Cooling water circulation system |
| CN104930779A (en) * | 2015-06-25 | 2015-09-23 | 福建德兴节能科技有限公司 | Low-energy-consumption circulating cooling water system used for removing backwater excess pressure and transformation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823980A (en) * | 2017-12-11 | 2018-03-23 | 卓卫民 | Throttle type gas-liquid exchange device |
| CN115929585A (en) * | 2022-12-09 | 2023-04-07 | 鞍钢股份有限公司 | Device and method for recycling cooling water of clean-ring high-pressure pump oil box by utilizing excess pressure |
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Application publication date: 20160106 |