CN105020085A - Cooling tower water return power generation device and power generation method by using same - Google Patents
Cooling tower water return power generation device and power generation method by using same Download PDFInfo
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- CN105020085A CN105020085A CN201510382134.9A CN201510382134A CN105020085A CN 105020085 A CN105020085 A CN 105020085A CN 201510382134 A CN201510382134 A CN 201510382134A CN 105020085 A CN105020085 A CN 105020085A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a cooling tower water return power generation device. The cooling tower water return power generation device comprises a cooling tower, a water collecting pool and a water return pool, wherein the water collecting pool is communicated with the water return pool through a water return pipe; and hot returned water is conveyed to the cooling tower through a hot water pipe. The cooling tower water return power generation device further comprises a power generation component and a liquid level control device; the liquid level control device comprises a liquid level meter, a water replenishing control switch, an electric valve and a water replenishing pipe; one end of the water replenishing pipe is communicated with the water return pool, and the other end is communicated with an external water source through an electric valve; the liquid level meter is mounted in the water return pool, and is connected with the water replenishing control switch through a cable; and the water replenishing control switch is connected with the electric valve through a cable. A power generation method of the cooling tower water return power generation device comprises the steps of: (A) installation of the power generation component and the liquid level control device; (B) starting of the power generation; (C) water replenishment; and (D) overflowing. The cooling tower water return power generation device is simple in structure, can modify a traditional pipeline without changing traditional technological flows, and can fully use traditionally wasted potential energy to greatly improve the self power generation rate of enterprises so as to achieve the effects of energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of electricity generating device and electricity-generating method, a kind of method particularly relating to cooling tower backwater electricity generating device and utilize cooling tower backwater potential energy to generate electricity in circulating water cooling tower radiation system with it.
Background technique
At present, as shown in Figure 1, known in industrial cycle water cooling tower radiation system, from the backwater hot water of manufacturing equipment, by gravity flow or elevator pump, get to cooling tower, by falling catch basin after cooling tower radiating and cooling, then fall back to pond by catch basin through return pipe and again circulate.
In the above process, Problems existing is: the cooling tower catch basin being positioned at water pump roof, often there is the discrepancy in elevation of 8-12 rice in the pond on distance ground, and the flow of industrial circulating water is all more than upper kilostere/second, circulating water directly falls back to pond from catch basin, the water potential energy of this part has all been wasted, and can not effectively use.
Summary of the invention
The technical problem to be solved in the present invention is: for the problems referred to above, and a kind of method providing cooling tower backwater electricity generating device and utilize cooling tower backwater potential energy to generate electricity with it, to overcome the above-mentioned deficiency existing for prior art, abundant effective use of energy sources.
The technological scheme that the present invention takes is: a kind of cooling tower backwater electricity generating device, comprise the cooling tower, the catch basin that are arranged on pumping station top and be positioned at the back pool on ground, the backwater hot water of manufacturing equipment is transported to cooling tower by hot-water line, and catch basin is communicated with back pool by return pipe; This kind of cooling tower backwater electricity generating device also comprises electrification component and fluid level control device, described electrification component is arranged on return pipe one end close to back pool, comprise inlet valve, generator set and outlet pipe, described water intake valve end is communicated with the water outlet of return pipe, the waterexit end of inlet valve is communicated with the water intake of generator set, the water outlet of generator set is communicated with outlet pipe, and described outlet pipe is communicated with back pool and under being immersed in the liquid level of back pool;
Described fluid level control device comprises level meter, moisturizing control switch, mortor operated valve and water-adding pipe, described water-adding pipe one end is communicated with back pool, the other end is communicated with external water source by mortor operated valve, described level meter is arranged in back pool, level meter is connected with moisturizing control switch by cable, and moisturizing control switch is connected with mortor operated valve by cable.
Its further technological scheme is: described generator set comprises water turbine and generator, described water turbine is connected with generator drive gear, the water intake of water turbine is communicated with the water outlet of return pipe by inlet valve, the water outlet of water turbine is communicated with back pool by outlet pipe, and it is horn-like structure that described outlet pipe is immersed in the subsurface part of back pool.
Further: described moisturizing control switch is connected with hand switch.
Described return pipe both sides are provided with spill pipe side by side, and one end of described spill pipe is communicated with catch basin, and upward, the other end of spill pipe is communicated with back pool to the flow-off of spill pipe.
Its another technological scheme is: a kind of method utilizing above-mentioned a kind of cooling tower backwater electricity generating device generating, comprises the steps:
A. electrification component and fluid level control device are installed
Electrification component is accessed cooling tower return pipe successively: the water intake of the water turbine of generator set is communicated with the water outlet of return pipe by inlet valve, and the water outlet of water turbine is communicated with back pool by outlet pipe, close inlet valve;
Spill pipe and return pipe are connected to catch basin side by side, spill pipe lower end be communicated with back pool, the upper end of spill pipe puts in catch basin, the flow-off of spill pipe upward, flow-off from the height at the bottom of catch basin higher than the backwater mouth of pipe from the height at the bottom of catch basin;
The level meter of fluid level control device is arranged on back pool and sets liquid level, to guarantee the horn-like structure of liquid level submergence outlet pipe;
By water-adding pipe one end access back pool, the other end connects external water source by mortor operated valve, is connected by level meter respectively with cable with mortor operated valve with moisturizing control switch, and one end of moisturizing control switch connects hand switch;
B. generating is started
Open water supply valve, the backwater hot water of manufacturing equipment is transported to cooling tower by hot-water line, naturally catch basin is fallen after heat radiation, after catch basin water level exceedes return pipe height, open the inlet valve of electrification component, generator set utilizes cooling tower backwater potential energy to generate electricity, and power delivery is to consumer or electric energy storage device;
C. moisturizing
When back pool water level is lower than setting liquid level, level meter sends moisturizing signal by cable to moisturizing control switch, and moisturizing control switch opens mortor operated valve by cable, and new water carries out moisturizing by water-adding pipe to back pool; When back pool water level is higher than setting liquid level, level meter sends to moisturizing control switch signal of cutting off the water by cable, and moisturizing control switch cuts out mortor operated valve by cable, stops moisturizing, as water level is too low during initial launch, by the interim moisturizing of hand switch;
D. overflow
When hot circling water flow rate exceedes the flow of inlet water of electrification component, the water of catch basin covers flow-off naturally, changes and enters spill pipe from flow-off, is back to back pool.
Owing to adopting technique scheme, a kind of cooling tower backwater electricity generating device of the present invention and the method with its generating have following beneficial effect:
1. a kind of cooling tower backwater electricity generating device of the present invention, the drop between cooling tower catch basin and back pool is utilized to carry out the generating of backwater potential energy, originally the potential energy slatterned can be made full use of, the backwater of 3000 cubic meters/hour can generate electricity every year more than 500,000 kilowatt hours, greatly improve the self power generation rate of enterprise, reduce outer purchase of electricity, reach the effect of energy-saving and emission-reduction;
2. a kind of cooling tower backwater electricity generating device of the present invention can be transformed on original place and pipeline, does not take new place, does not substantially change original technological process, do not affect the normal production of enterprise, little investment, can reclaim whole investment for trnasforming urban land, remarkable in economical benefits in 2-3;
3. a kind of cooling tower backwater electricity generating device of the present invention is provided with fluid level control device, can monitor the liquid level of back pool at any time, makes outlet pipe water outlet even, ensures generator smooth running; Separately be provided with hand switch, can the interim moisturizing when initial launch, to prevent the water because getting out from exceeding rate of water make-up, cause water level sharply to decline, the outlet pipe of electrification component can not be immersed in water, affects generating efficiency; Spill pipe is set and can ensures that return water system normally runs.
Be described further to a kind of cooling tower backwater electricity generating device of the present invention and with the technical characteristics of the method for its generating below in conjunction with drawings and Examples.
Accompanying drawing explanation
Fig. 1 is existing cooling tower backwater process schematic;
Fig. 2 ~ Fig. 3 is a kind of cooling tower backwater generating device structure schematic diagram of the present invention;
Fig. 2 is plan view, and Fig. 3 is the right elevation of Fig. 2;
Fig. 4 is fluid level control device structured flowchart;
In figure:
1-back pool, 2-outlet pipe, 3-generator set, 4-inlet valve, 5-return pipe, 6-spill pipe, 61-flow-off, 7-catch basin, 8-cooling tower, 9-pumping station, 10-hot-water line, 11-water supply valve, 12-level meter, 13-hand switch, 14-moisturizing control switch, 15-water-adding pipe, 16-mortor operated valve.
Embodiment
embodiment one
A kind of cooling tower backwater electricity generating device, comprise the cooling tower 8, the catch basin 7 that are arranged on pumping station 9 top and be positioned at the back pool 1 on ground, the backwater hot water of manufacturing equipment is transported to cooling tower by hot-water line 10, and catch basin 7 is communicated with back pool 1 by return pipe 5; This kind of cooling tower backwater electricity generating device also comprises electrification component and fluid level control device, described electrification component is arranged on return pipe 5 one end close to back pool 1, comprise inlet valve 4, generator set 3 and outlet pipe 2, described inlet valve 4 feed-water end is communicated with the water outlet of return pipe 5, the waterexit end of inlet valve is communicated with the water intake of generator set 3, the water outlet of generator set is communicated with outlet pipe 2, and described outlet pipe is communicated with back pool 1 and under being immersed in the liquid level of back pool;
Described fluid level control device comprises level meter 12, moisturizing control switch 14, mortor operated valve 16 and water-adding pipe 15, described water-adding pipe 15 one end is communicated with back pool 1, the other end is communicated with external water source by mortor operated valve 16, described level meter 12 is arranged in back pool 1, level meter is connected with moisturizing control switch 14 by cable, and moisturizing control switch 14 is connected with mortor operated valve 16 by cable.
Described generator set 3 comprises water turbine and generator, described water turbine is connected with generator drive gear, the water intake of water turbine is communicated with the water outlet of return pipe 5 by inlet valve 4, the water outlet of water turbine is communicated with back pool 1 by outlet pipe 2, and it is horn-like structure that described outlet pipe 2 is immersed in the subsurface part of back pool.
Described moisturizing control switch 14 is connected with hand switch 13.
Described return pipe both sides are provided with spill pipe 6 side by side, and one end of described spill pipe is communicated with catch basin, and upward, the other end of spill pipe is communicated with back pool 1 to the flow-off 61 of spill pipe.
Embodiment two
Utilize a method for above-mentioned a kind of cooling tower backwater electricity generating device generating, comprise the steps:
A. electrification component and fluid level control device are installed
Electrification component is accessed cooling tower return pipe 5 successively: the water intake of the water turbine of generator set is communicated with the water outlet of return pipe 5 by inlet valve 4, and the water outlet of water turbine is communicated with back pool 1 by outlet pipe 2, closes inlet valve 4;
Spill pipe 6 and return pipe are connected to catch basin 7 side by side, and spill pipe lower end is communicated with back pool 1, and the upper end of spill pipe puts in catch basin, the flow-off 61 of spill pipe upward, flow-off from the height at the bottom of catch basin higher than the backwater mouth of pipe from the height at the bottom of catch basin;
(according to actual conditions, 1 or 2 or 3 spill pipes can be installed)
The level meter 12 of fluid level control device is arranged on back pool and sets liquid level, guarantees the horn-like structure of liquid level submergence outlet pipe 2;
By water-adding pipe 15 one end access back pool 1, the other end connects external water source by mortor operated valve 16, is connected by level meter respectively with cable with mortor operated valve with moisturizing control switch 12, and one end of moisturizing control switch 12 connects hand switch 13;
B. generating is started
Open water supply valve 11, the backwater hot water of manufacturing equipment is transported to cooling tower 8 by hot-water line 10, naturally catch basin 7 is fallen after heat radiation, after catch basin water level exceedes return pipe height, open the inlet valve 4 of electrification component, generator set 3 utilizes cooling tower backwater potential energy to generate electricity, and power delivery is to consumer or electric energy storage device;
C. moisturizing
When back pool 1 water level is lower than setting liquid level, level meter 12 sends moisturizing signal by cable to moisturizing control switch 14, and moisturizing control switch 14 opens mortor operated valve 16 by cable, and new water carries out moisturizing by water-adding pipe 15 pairs of back pools 1; When back pool water level is higher than setting liquid level, level meter sends to moisturizing control switch signal of cutting off the water by cable, and moisturizing control switch cuts out mortor operated valve by cable, stops moisturizing; As water level is too low during initial launch, by the interim moisturizing of hand switch, to guarantee that the horn-like structure of outlet pipe 2 is immersed under liquid level;
D. overflow
When hot circling water flow rate exceedes the flow of inlet water of electrification component, the water of catch basin covers flow-off 61 naturally, changes and enters spill pipe 6 from flow-off 61, is back to back pool 1.
Working principle
Open water supply valve 11, hot backwater is by hot-water line 10 arrives cooling tower 8, and naturally falls catch basin 7 after heat radiation, after catch basin water level exceedes return pipe 5, open the inlet valve 4 of electrification component, generator set 3 utilizes cooling tower backwater potential energy to generate electricity;
The level meter 12 pairs of pond liquid levels be arranged in back pool are monitored, when lower than setting liquid level, send moisturizing signal by cable to moisturizing control switch 14, moisturizing control switch opens mortor operated valve 16 by cable, and new water carries out moisturizing by water-adding pipe 15 pairs of back pools; When higher than setting liquid level, send to moisturizing control switch signal of cutting off the water by cable, moisturizing control switch cuts out mortor operated valve by cable, stops moisturizing;
When hot circling water flow rate exceedes generating flow of inlet water, the water of catch basin covers return pipe naturally, changes and enters spill pipe 6 from flow-off 61, is back to back pool 1.
Claims (5)
1. a cooling tower backwater electricity generating device, comprise the cooling tower (8), the catch basin (7) that are arranged on pumping station (9) top and be positioned at the back pool (1) on ground, the backwater hot water of manufacturing equipment is transported to cooling tower by hot-water line (10), and catch basin (7) is communicated with back pool (1) by return pipe (5);
It is characterized in that: this kind of cooling tower backwater electricity generating device also comprises electrification component and fluid level control device, described electrification component is arranged on return pipe (5) one end close to back pool (1), comprise inlet valve (4), generator set (3) and outlet pipe (2), described inlet valve (4) feed-water end is communicated with the water outlet of return pipe (5), the waterexit end of inlet valve is communicated with the water intake of generator set (3), the water outlet of generator set is communicated with outlet pipe (2), and described outlet pipe is communicated with back pool (1) and under being immersed in the liquid level of back pool;
Described fluid level control device comprises level meter (12), moisturizing control switch (14), mortor operated valve (16) and water-adding pipe (15), described water-adding pipe (15) one end is communicated with back pool (1), the other end is communicated with external water source by mortor operated valve (16), described level meter (12) is arranged in back pool (1), level meter is connected with moisturizing control switch (14) by cable, and moisturizing control switch (14) is connected with mortor operated valve (16) by cable.
2. a kind of cooling tower backwater electricity generating device according to claim 1, it is characterized in that: described generator set (3) comprises water turbine and generator, described water turbine is connected with generator drive gear, the water intake of water turbine is communicated with the water outlet of return pipe (5) by inlet valve (4), the water outlet of water turbine is communicated with back pool (1) by outlet pipe (2), and it is horn-like structure that described outlet pipe (2) is immersed in the subsurface part of back pool.
3. a kind of cooling tower backwater electricity generating device according to claim 1 and 2, is characterized in that: described moisturizing control switch (14) is connected with hand switch (13).
4. a kind of cooling tower backwater electricity generating device according to claim 3, it is characterized in that: described return pipe both sides are provided with spill pipe (6) side by side, one end of described spill pipe is communicated with catch basin, and upward, the other end of spill pipe is communicated with back pool (1) to the flow-off (61) of spill pipe.
5. utilize the method for a kind of cooling tower backwater electricity generating device generating described in claim 4, it is characterized in that: comprise the steps:
A. electrification component and fluid level control device are installed
Electrification component is accessed successively cooling tower return pipe (5): the water intake of the water turbine of generator set is communicated with the water outlet of return pipe (5) by inlet valve (4), the water outlet of water turbine is communicated with back pool (1) by outlet pipe (2), closes inlet valve (4);
Spill pipe (6) and return pipe are connected to catch basin (7) side by side, spill pipe lower end is communicated with back pool (1), the upper end of spill pipe puts in catch basin, the flow-off (61) of spill pipe upward, flow-off from the height at the bottom of catch basin higher than the backwater mouth of pipe from the height at the bottom of catch basin;
The level meter (12) of fluid level control device is arranged on back pool and sets liquid level, to guarantee the horn-like structure of liquid level submergence outlet pipe (2);
By water-adding pipe (15) one end access back pool (1), the other end connects external water source by mortor operated valve (16), be connected with moisturizing control switch (12) with mortor operated valve by level meter with cable respectively, one end of moisturizing control switch (12) connects hand switch (13);
B. generating is started
Open water supply valve (11), the backwater hot water of manufacturing equipment is transported to cooling tower (8) by hot-water line (10), naturally catch basin (7) is fallen after heat radiation, after catch basin water level exceedes return pipe open height, open the inlet valve (4) of electrification component, generator set (3) utilizes cooling tower backwater potential energy to generate electricity, and power delivery is to consumer or electric energy storage device;
C. moisturizing
When back pool (1) water level is lower than setting liquid level, level meter (12) sends moisturizing signal by cable to moisturizing control switch (14), moisturizing control switch (14) opens mortor operated valve (16) by cable, and new water carries out moisturizing by water-adding pipe (15) to back pool (1); When back pool water level is higher than setting liquid level, level meter sends to moisturizing control switch signal of cutting off the water by cable, and moisturizing control switch cuts out mortor operated valve by cable, stops moisturizing; As water level is too low during initial launch, by the interim moisturizing of hand switch;
D. overflow
When hot circling water flow rate exceedes the flow of inlet water of electrification component, the water of catch basin covers flow-off (61) naturally, changes and enters spill pipe (6) from flow-off (61), is back to back pool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382134.9A CN105020085A (en) | 2015-07-02 | 2015-07-02 | Cooling tower water return power generation device and power generation method by using same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510382134.9A CN105020085A (en) | 2015-07-02 | 2015-07-02 | Cooling tower water return power generation device and power generation method by using same |
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| CN105020085A true CN105020085A (en) | 2015-11-04 |
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| CN201510382134.9A Pending CN105020085A (en) | 2015-07-02 | 2015-07-02 | Cooling tower water return power generation device and power generation method by using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275717A (en) * | 2015-11-18 | 2016-01-27 | 长江师范学院 | Rainwater pipeline water collecting power generation system and power generation method thereof |
| CN106292488A (en) * | 2016-08-19 | 2017-01-04 | 广州日滨科技发展有限公司 | There is work surface transportation system and the wireless monitoring method of wireless monitor function |
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| CN101021197A (en) * | 2006-11-22 | 2007-08-22 | 王岗 | Blast furnace cooling water backwater top pressure power generation |
| CN201083179Y (en) * | 2007-08-28 | 2008-07-09 | 李富祥 | High efficiency water power electricity generating system |
| CN203550656U (en) * | 2013-10-25 | 2014-04-16 | 郭怀宝 | Cooling-water return power-generation type water cooling tower |
| US20140265342A1 (en) * | 2013-03-15 | 2014-09-18 | Tempest Environmental Systems, Inc. | Evaporative cooling system comprising energy recovery turbine(s) |
| CN204921237U (en) * | 2015-07-02 | 2015-12-30 | 广西远望科技有限责任公司 | Cooling tower return water power generation facility |
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2015
- 2015-07-02 CN CN201510382134.9A patent/CN105020085A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021197A (en) * | 2006-11-22 | 2007-08-22 | 王岗 | Blast furnace cooling water backwater top pressure power generation |
| CN201083179Y (en) * | 2007-08-28 | 2008-07-09 | 李富祥 | High efficiency water power electricity generating system |
| US20140265342A1 (en) * | 2013-03-15 | 2014-09-18 | Tempest Environmental Systems, Inc. | Evaporative cooling system comprising energy recovery turbine(s) |
| CN203550656U (en) * | 2013-10-25 | 2014-04-16 | 郭怀宝 | Cooling-water return power-generation type water cooling tower |
| CN204921237U (en) * | 2015-07-02 | 2015-12-30 | 广西远望科技有限责任公司 | Cooling tower return water power generation facility |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275717A (en) * | 2015-11-18 | 2016-01-27 | 长江师范学院 | Rainwater pipeline water collecting power generation system and power generation method thereof |
| CN106292488A (en) * | 2016-08-19 | 2017-01-04 | 广州日滨科技发展有限公司 | There is work surface transportation system and the wireless monitoring method of wireless monitor function |
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Application publication date: 20151104 |
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