CN105157088A - Comprehensive utilization system of power plant thermal discharge - Google Patents
Comprehensive utilization system of power plant thermal discharge Download PDFInfo
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- CN105157088A CN105157088A CN201510617433.6A CN201510617433A CN105157088A CN 105157088 A CN105157088 A CN 105157088A CN 201510617433 A CN201510617433 A CN 201510617433A CN 105157088 A CN105157088 A CN 105157088A
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- water discharge
- warm water
- power plant
- pipeline
- warm
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a comprehensive utilization system of power plant thermal discharge. According to the technical scheme, a main thermal discharge pipeline is arranged, the power plant thermal discharge is guided into a greenhouse through the main thermal discharge pipeline, heat supply pipes in a row are arranged in the greenhouse and buried in the ground of the greenhouse, the inlet ends of the heat supply pipes are connected to the main thermal discharge pipeline, the outlet ends of the heat supply pipes are connected to a main discharge pipe, the depth from the heat supply pipes to the ground ranges from 10 cm to 15 cm, and the distance between every two adjacent heat supply pipes ranges from 30 cm to 50 cm. The power plant thermal discharge with the heat released by the heat supply pipes flows into a reservoir through the main discharge pipe, and water of the reservoir is connected to a watering pipeline of the greenhouse through a watering pump. According to the invention, the problem that energy waste and heat pollution of water bodies are caused because the thermal discharge of thermal power plants built along the natural water bodies is directly discharged to the natural water bodies is effectively solved, waste heat of the thermal discharge is recycled, the economic benefit of greenhouse planting is increased, and the ecological environmental protection effect and the energy conservation and efficiency improvement effects are remarkable.
Description
Technical field
The present invention relates to a kind of power plant warm water discharge and utilize technology, power plant's warm water discharge utilization system of particularly power plant's warm water discharge is introduced warmhouse booth heating, irrigating.
Background technology
The firepower electrical plant that riverine, river, lake are set up, generally adopts the open type type of cooling, namely direct from the water intaking of neighbouring natural water area, is cooled, then again cooling water is directly flow back to natural water area by condenser to the exhaust steam that power plant steam turbine is discharged.The cooling water discharged under normal circumstances has the temperature rise of about 10 DEG C compared with the water extracted before, about 30 DEG C, is called warm water discharge.This direct mode utilizing natural water source around to carry out unit cooling has the advantage such as economy, convenience, but, enter natural water area along with a large amount of warm water discharge throughout the year, serious thermal pollution can be produced to water body, threaten the existence of fish, affect the growth of water plant, easily cause the eutrophication of water body, extremely unfavorable to the health of the ecological environment of surrounding.The temperature reduced when warm water discharge flows back to natural water area is the common objective that multiple department such as power plant, environmental protection will realize.On the other hand, the direct discharge of the warm water discharge had surplus heat by band is also a kind of waste of heat energy.
At present, some areas are in the process of carrying out warmhouse booth plantation, need to improve the temperature of warmhouse booth by combustion fuel in cold season, the passage introducing booth underground of the flue gas such as fuel combustion produced by digging at below ground, for the root system of crop and nursery provide thermal source; Coal-burning boiler or electric heater is utilized to improve the mode of the temperature of booth, to reach the planting requirement of indoor temperature 20 ~ 25 DEG C in addition.Said method needs the quantity of fuel of consumption considerable a winter, additional steam generator system depreciation and labour cost, and the heating cost of great number has a strong impact on winter greenhouse greenhouse gardening benefit, has become the major obstacle of restriction winter greenhouse plantation sustainable development.
Summary of the invention
The present invention proposes a kind of power plant warm water discharge utilization system, adopt this system while effective minimizing power plant warm water discharge is to natural water area heat affecting, the energy resource consumption of warmhouse booth can be reduced, increase economic efficiency.
Problem of the present invention realizes with following technical proposals:
A kind of power plant warm water discharge utilization system, warm water discharge main pipeline is set, power plant's warm water discharge is introduced warmhouse booth through warm water discharge main pipeline, in warmhouse booth, heating pad pipe is set, the heating pad pipe set in a row is embedded in warmhouse booth underground, and the arrival end of each heating pad pipe connects warm water discharge main pipeline, and the port of export of each heating pad pipe connects drain header, heating pad pipe is 10-15 centimetre apart from the ground degree of depth, and the spacing between adjacent heating pad pipe is 30-50 centimetre; Power plant's warm water discharge flows into cistern through drain header after heating pad pipe heat release, and cistern connects warmhouse booth pouring pipeline through pouring water pump.
Above-mentioned power plant warm water discharge utilization system, arranges outward at each heating pad pipe and protects bag, heating pad pipe and protect between bag and fill water-loss reducer.
Above-mentioned power plant warm water discharge utilization system, set up solar energy and mend warm device, solar energy is mended warm device and warm water discharge and is responsible for and is arranged in parallel, solar energy is mended warm device and is comprised solar energy heat collection pipe, heat storage water tank and concurrent heating pipeline, several solar energy heat collection pipe connects heat storage water tank, warm water discharge is introduced heat storage water tank by the inducer of concurrent heating pipeline, solar energy heat collection pipe is by warm water discharge heat temperature raising in heat storage water tank, warm water discharge after heating is imported warm water discharge main pipeline and promotes the warm water discharge temperature passing into heating pad pipe by the outlet section of concurrent heating pipeline, the inducer of concurrent heating pipeline arranges concurrent heating imported valve, the outlet section of concurrent heating pipeline arranges concurrent heating outlet valve.
Above-mentioned power plant warm water discharge utilization system, sets up warm water discharge bypass duct, and the arrival end of warm water discharge bypass duct connects warm water discharge supervisor, and the port of export of warm water discharge bypass duct connects cistern.
Above-mentioned power plant warm water discharge utilization system, described cistern is provided with the discharge tube leading to natural water area.
Above-mentioned power plant warm water discharge utilization system, warm water discharge main pipeline is provided with warm water discharge main pipeline valve, and warm water discharge bypass duct is provided with warm water discharge bypass duct valve, and discharge tube is provided with vent valves.
The present invention is directed to and solve the firepower electrical plant warm water discharge set up along natural water area and directly flow back to natural water area, cause the problem of energy waste and heat pollution of water and a kind of warm water discharge utilization system of designing.Described system introduces agricultural greenhouse booth by being with the warm water discharge had surplus heat, and for the plantation of winter greenhouse greenhouse crops provides thermal source, substitutes traditional heating system such as fire coal, electric heater, effectively reduces warmhouse booth planting cost, improve warmhouse booth planting benefit.After the waste heat of warm water discharge is utilized, be aggregated into cistern deposit, for the iirigation water source of crop.In addition, the solar energy of setting is mended warm device and can be mended temperature to warm water discharge as required; Heating pad pipe peripheral hardware is by protecting bag, and heating pad pipe and protect between bag and arrange water-loss reducer, water-loss reducer has good heat-insulating property water conservation, the same of fertilizer conservation, can reduce soil day and night temperature, promotes plant root growth.The present invention had both reclaimed warm water discharge waste heat, decreased the heat affecting to natural water area; Increase again the economic benefit of chamber planting, there is the dual value of ecological, environmental protective and energy efficiency.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the schematic diagram of heating pad pipe;
Fig. 3 is that solar energy mends warm device schematic diagram.
Attached number in the figure is expressed as follows: 1, warm water discharge main pipeline; 2, warm water discharge pump; 3, warm water discharge bypass duct; 4, concurrent heating conduit entrance valve; 5, solar energy mends warm device; 5-1, heat storage water tank; 5-2, solar energy heat collection pipe; 6, concurrent heating pipe outlet valve; 7, warm water discharge bypass duct valve; 8, heating pad pipe; 9, drain header; 10, cistern; 11, discharge tube; 12, vent valves, 13, pouring water pump; 14, pipeline is watered; 15, warm water discharge main pipeline valve; 16, water-loss reducer, 17, protect bag.
Detailed description of the invention
The present invention utilizes the firepower electrical plant warm water discharge waste heat set up along natural water area to increase the economic benefit of chamber planting, decreases the heat affecting to natural water area simultaneously.Referring to Fig. 1, described system comprises warm water discharge main pipeline 1, warm water discharge pump 2, heating pad pipe 8 and cistern 11, by warm water discharge pump 2, the warm water discharge that power plant discharges is pumped into warm water discharge main pipeline, warm water discharge main pipeline connects the heating pad pipe be arranged in warmhouse booth, heating pad pipe is embedded in warmhouse booth subsurface, and heating pad pipe is 10-15 centimetre apart from the ground degree of depth, and heating pad pipe buried depth is moderate, crossing shallowly affects crop-planting, crosses and is deeply then unfavorable for that root system of plant is incubated and affects radiating effect; Between the adjacent channel of heating pad pipe, spacing can determine according to actual long-term cropping situation, is generally 30-50 centimetre.The concrete pipeline that heating pad pipe is arranged is several to be determined according to the actual construction area of warmhouse booth.The port of export of heating pad pipe connects drain header 9, drain header connects the cistern being arranged on warmhouse booth outside, warm water discharge after heating pad pipe release heat sends into cistern, when needing to water the crop in warmhouse booth, water in cistern is pumped into pouring pipeline 14 through pouring water pump 13, crop in pouring warmhouse booth, thus save warmhouse booth irrigation water cost.Cistern is also provided with the discharge tube 11 leading to natural water area, discharge tube is provided with vent valves 12, when the water in cistern amasss completely, a part of water can be discharged to natural water area by discharge tube 11, the water of discharge is lowered the temperature in cistern, therefore effectively reduces the heat affecting to natural water area.
Referring to Fig. 2, be provided with outside each heating pad pipe and protect bag 17, heating pad pipe and fill water-loss reducer 16 in protecting between bag space, protect bag and adopt gas permeability, water penetration good and the fabric that can not leak water-loss reducer particle is made, protect a bag closed at both ends.Said structure can avoid root system of plant directly to contact with heating pad pipe, and heating pad pipe, while heating for soil, can utilize the water conservation of water-loss reducer, function of fertilizer retention to stimulate crop root growth and growth.Particularly water-loss reducer also has good heat insulation effect, the heat energy that water-loss reducer can utilize the water tariff collection part daylight of absorption to produce, and regulates nocturnal temperature, soil day and night temperature is reduced, and plays cushioning effect to soil moisture lifting.
Referring to Fig. 1, Fig. 3, described system is set up solar energy and is mended warm device 5, and solar energy mends warm device for the use of cold season in winter to warm water discharge benefit temperature, to ensure the planting requirement of in warmhouse booth 20 ~ 25 DEG C.Solar energy is mended warm device and warm water discharge and is responsible for and is arranged in parallel, and solar energy is mended warm device and comprised solar energy heat collection pipe 5-2, heat storage water tank 5-1 and concurrent heating pipeline, and the several solar energy heat collection pipes arranged as required connect heat storage water tanks.When needs mend temperature to warm water discharge, open concurrent heating conduit entrance valve 4, warm water discharge is introduced heat storage water tank by the inducer of concurrent heating pipeline, by solar energy heat collection pipe by warm water discharge heat temperature raising in heat storage water tank; Then open concurrent heating pipe outlet valve 6, the warm water discharge after heating is imported warm water discharge main pipeline, promote the warm water discharge temperature passing into heating pad pipe.Aperture by adjustment concurrent heating pipe outlet valve 6 controls the concurrent heating water yield importing warm water discharge supervisor, thus makes the temperature that the warm water discharge entering heating pad pipe reaches suitable.
Still referring to Fig. 1, set up warm water discharge bypass duct 3, the arrival end of warm water discharge bypass duct connects warm water discharge supervisor, and the port of export of warm water discharge bypass duct connects cistern, and warm water discharge bypass duct is provided with warm water discharge bypass duct valve 7.When not needing to provide warm water discharge to heat up to warmhouse booth, closing warm water discharge main pipeline valve 15, opening warm water discharge bypass duct valve 7, make warm water discharge flow into cistern cooling by warm water discharge bypass duct stand-by.In addition, when needing to control to enter the warm water discharge flow of heating pad pipe, bypass duct splitter section warm water discharge can be utilized.
Claims (6)
1. power plant's warm water discharge utilization system, it is characterized in that, warm water discharge main pipeline (1) is set, power plant's warm water discharge is introduced warmhouse booth through warm water discharge main pipeline, and in warmhouse booth, arrange heating pad pipe (8), the heating pad pipe set in a row is embedded in warmhouse booth underground, the arrival end of each heating pad pipe connects warm water discharge main pipeline, the port of export of each heating pad pipe connects drain header (9), and heating pad pipe is 10-15 centimetre apart from the ground degree of depth, and the spacing between adjacent heating pad pipe is 30-50 centimetre; Power plant's warm water discharge flows into cistern (10) through drain header after heating pad pipe heat release, and cistern connects warmhouse booth pouring pipeline (14) through pouring water pump (13).
2. power plant according to claim 1 warm water discharge utilization system, is characterized in that: be provided with outside each heating pad pipe and protect bag (17), heating pad pipe and protect between bag and fill water-loss reducer (16).
3. power plant according to claim 2 warm water discharge utilization system, it is characterized in that: set up solar energy and mend warm device (5), solar energy is mended warm device and warm water discharge and is responsible for and is arranged in parallel, solar energy is mended warm device and is comprised solar energy heat collection pipe (5-2), heat storage water tank (5-1) and concurrent heating pipeline, several solar energy heat collection pipe connects heat storage water tank, warm water discharge is introduced heat storage water tank by the inducer of concurrent heating pipeline, solar energy heat collection pipe is by warm water discharge heat temperature raising in heat storage water tank, warm water discharge after heating is imported warm water discharge main pipeline and promotes the warm water discharge temperature passing into heating pad pipe by the outlet section of concurrent heating pipeline, the inducer of concurrent heating pipeline arranges concurrent heating imported valve (4), the outlet section of concurrent heating pipeline arranges concurrent heating outlet valve (6).
4. power plant according to claim 3 warm water discharge utilization system, is characterized in that: set up warm water discharge bypass duct (3), and the arrival end of warm water discharge bypass duct connects warm water discharge supervisor, and the port of export of warm water discharge bypass duct connects cistern.
5. power plant according to claim 4 warm water discharge utilization system, is characterized in that: cistern is provided with the discharge tube (11) leading to natural water area.
6. power plant according to claim 5 warm water discharge utilization system, it is characterized in that: warm water discharge main pipeline is provided with warm water discharge main pipeline valve (15), warm water discharge bypass duct is provided with warm water discharge bypass duct valve (7), and discharge tube is provided with vent valves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617433.6A CN105157088B (en) | 2015-09-25 | 2015-09-25 | A kind of power plant's warm water discharge utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510617433.6A CN105157088B (en) | 2015-09-25 | 2015-09-25 | A kind of power plant's warm water discharge utilization system |
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| CN105157088A true CN105157088A (en) | 2015-12-16 |
| CN105157088B CN105157088B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510617433.6A Expired - Fee Related CN105157088B (en) | 2015-09-25 | 2015-09-25 | A kind of power plant's warm water discharge utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637764A (en) * | 2020-05-15 | 2020-09-08 | 华南理工大学 | Warm water discharge device and discharge method for offshore wind power converter station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743623A (en) * | 1980-08-25 | 1982-03-11 | Tomonari Yasukazu | Irrigation and heat storing apparatus and arranged pipe of underground heat exchange type greenhouse |
| JPS58129916A (en) * | 1982-01-27 | 1983-08-03 | 藤田 岑生 | Underground pipe embedding structure in underground heat exchange system |
| CN2647046Y (en) * | 2002-12-02 | 2004-10-13 | 贺先文 | Controlling device for full temperature control green house |
| CN101933447A (en) * | 2009-07-01 | 2011-01-05 | 北京格瑞那环能技术有限责任公司 | Constant temperature heating system of hothouse |
| CN102155818A (en) * | 2011-03-21 | 2011-08-17 | 刘季林 | Low-temperature floor radiation heating and refrigerating system device |
| CN202190595U (en) * | 2011-08-19 | 2012-04-18 | 四川软测技术检测中心有限公司 | Underground long-term heat storage solar heating system |
| CN205005612U (en) * | 2015-09-25 | 2016-02-03 | 华北电力大学（保定） | System for utilize power plant's temperature drainage to improve warmhouse booth and plant benefit |
-
2015
- 2015-09-25 CN CN201510617433.6A patent/CN105157088B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743623A (en) * | 1980-08-25 | 1982-03-11 | Tomonari Yasukazu | Irrigation and heat storing apparatus and arranged pipe of underground heat exchange type greenhouse |
| JPS58129916A (en) * | 1982-01-27 | 1983-08-03 | 藤田 岑生 | Underground pipe embedding structure in underground heat exchange system |
| CN2647046Y (en) * | 2002-12-02 | 2004-10-13 | 贺先文 | Controlling device for full temperature control green house |
| CN101933447A (en) * | 2009-07-01 | 2011-01-05 | 北京格瑞那环能技术有限责任公司 | Constant temperature heating system of hothouse |
| CN102155818A (en) * | 2011-03-21 | 2011-08-17 | 刘季林 | Low-temperature floor radiation heating and refrigerating system device |
| CN202190595U (en) * | 2011-08-19 | 2012-04-18 | 四川软测技术检测中心有限公司 | Underground long-term heat storage solar heating system |
| CN205005612U (en) * | 2015-09-25 | 2016-02-03 | 华北电力大学（保定） | System for utilize power plant's temperature drainage to improve warmhouse booth and plant benefit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637764A (en) * | 2020-05-15 | 2020-09-08 | 华南理工大学 | Warm water discharge device and discharge method for offshore wind power converter station |
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| CN105157088B (en) | 2018-11-09 |
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Inventor after: Cheng Youliang Inventor after: Zhou Yu Inventor after: Wu Kai Inventor before: Cheng Youliang Inventor before: Wu Kai |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20181109 Termination date: 20210925 |