CN103318896B - A kind of thermal power plant heating system - Google Patents
A kind of thermal power plant heating system Download PDFInfo
- Publication number
- CN103318896B CN103318896B CN201310187960.9A CN201310187960A CN103318896B CN 103318896 B CN103318896 B CN 103318896B CN 201310187960 A CN201310187960 A CN 201310187960A CN 103318896 B CN103318896 B CN 103318896B
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- acid pond
- switched
- pond
- hydrochloric acid
- inlet
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of thermal power plant heating system, include condenser, low-pressure heater, oxygen-eliminating device, high-pressure heater, boiler, boiler bottom is provided with slag notch, hydrochloric acid pond, sulphuric acid pond, collecting tank has been in turn switched on below boiler, the acid inlet in hydrochloric acid pond introduces hydrochloric acid, the acid inlet in sulphuric acid pond introduces concentrated sulphuric acid, hydrochloric acid pond, sulphuric acid pond liquid outlet be respectively turned on discharge opeing liquid pump, boiler slag mouth is switched to hydrochloric acid pond slag inlet, hydrochloric acid pond slag notch is switched to the slag inlet in sulphuric acid pond, and the slag notch in sulphuric acid pond is switched to collecting tank.The present invention can to thermal power generation time the cinder that produces make full use of and obtain SiO2, reduce the pollution to environment, the energy utilization rate of coal can be effectively improved simultaneously.
Description
Technical field
The present invention relates to thermal power generation heating system field, be specially a kind of thermal power plant heating system.
Background technology
Thermal power generation is using coal as thermal source, and heating water produces steam in the boiler, utilizes steam to make the high, medium and low cylinder pressure of steam turbine do work, thus drive electrical generators produces electric energy.Produce cinder after coal burning, the composition of cinder include 40~50% SiO2,30~35% Al2O3, the Fe2O3 of 4~20%, the CaO of 1~5% and a small amount of magnesium, sulfur, carbon.In cinder, SiO2 content is higher, if directly abandoned as garbage by cinder, cinder is not fully used, and not only to environment, also can cause the waste of SiO2 in cinder.
Summary of the invention
It is an object of the invention to provide a kind of thermal power plant heating system, to solve the problem that prior art thermal power generation garbage cinder is not fully used.
In order to achieve the above object, the technical solution adopted in the present invention is:
nullA kind of thermal power plant heating system,Include condenser、Low-pressure heater、Oxygen-eliminating device、High-pressure heater、Boiler,Wherein condenser air inlet is switched to the low pressure (LP) cylinder air vent of Steam Turbine in Fire Power Plant,The outlet of condenser is switched to low-pressure heater water inlet,Low-pressure heater outlet is switched to oxygen-eliminating device water inlet,Oxygen-eliminating device outlet is switched to the water inlet of high-pressure heater,The outlet of high-pressure heater is switched to boiler feed water mouth,It is characterized in that: described boiler bottom is provided with slag notch,Hydrochloric acid pond it is disposed with below boiler、Sulphuric acid pond、Collecting tank,Wherein hydrochloric acid pond、Sulphuric acid pond sidewall is respectively equipped with acid inlet,Hydrochloric acid pond、Top, sulphuric acid pond is respectively equipped with slag inlet,Hydrochloric acid pond、Sulphuric acid is respectively equipped with liquid outlet bottom pond、Slag notch,And the acid inlet in hydrochloric acid pond passes through the introducing hydrochloric acid into acid pump to hydrochloric acid pond,The acid inlet in sulphuric acid pond passes through the introducing concentrated sulphuric acid into acid pump to sulphuric acid pond,Hydrochloric acid pond、Sulphuric acid pond liquid outlet be respectively turned on discharge opeing liquid pump,Described boiler slag mouth is switched to hydrochloric acid pond slag inlet by valve,Hydrochloric acid pond slag notch is switched to the slag inlet in sulphuric acid pond by valve,The slag notch in sulphuric acid pond is switched to collecting tank by valve.
Described a kind of thermal power plant heating system, it is characterized in that: the outlet of described condenser is switched to the water inlet of a solar heater, the outlet of solar heater is switched to the water inlet of low-pressure heater, being additionally provided with water supplement port on solar heater, water supplement port is introduced in solar heater by moisturizing water pump and supplements water.
Described a kind of thermal power plant heating system, it is characterized in that: described solar heater includes the cell body of open top, cell body open-mouth is provided with collecting plate, collecting plate sidewall constitutes sealing with cell body sidewall close-fitting, cell body bottom side sidewall has opening as solar water heater water supplement port, water supplement port is installed moisturizing inlet pipe, bottom cell body, opposite side sidewall is provided with moisturizing outlet, moisturizing outlet is provided with moisturizing and goes out pipe, moisturizing goes out to be provided with valve on pipe, described moisturizing goes out the pipe mouth of pipe outlet as solar heater, in cell body, embedment has coil, coil one end mouth of pipe stretches out the water inlet as solar heater from cell body side sidewall, the moisturizing that the bypass of the coil other end accesses between valve and cell body goes out on pipe.
The cinder that boiler is discharged is first fed in hydrochloric acid pond by the present invention, and pass into hydrochloric acid in hydrochloric acid pond, a period of time heel row desalt acid pond in liquid, now in hydrochloric acid pond, residue is SiO2, sulfur, carbon, then residue is sent in sulphuric acid pond, and in sulphuric acid pond, send into concentrated sulphuric acid, liquid in a period of time heel row desulfuration acid pond, SiO2 residue can be obtained.Simultaneously, the present invention accesses solar heater between condenser and low-pressure heater, the recirculation water that low-pressure heater sent into by condenser by solar heater is utilized to provide heat compensation, the tolerance heated to reduce low-pressure heater to bleed from steam turbine cylinder, and then coal resources can be saved.
The present invention can to thermal power generation time the cinder that produces make full use of and obtain SiO2, reduce the pollution to environment, the energy utilization rate of coal can be effectively improved simultaneously.
Accompanying drawing explanation
Fig. 1 is present system structure chart.
Fig. 2 is solar heater structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1.nullA kind of thermal power plant heating system,Include condenser 1、Low-pressure heater 2、Oxygen-eliminating device 3、High-pressure heater 4、Boiler 5,Wherein condenser 1 air inlet is switched to low pressure (LP) cylinder 24 air vent of Steam Turbine in Fire Power Plant,The outlet of condenser 1 is switched to low-pressure heater 2 water inlet,Low-pressure heater 2 outlet is switched to oxygen-eliminating device 3 water inlet,Oxygen-eliminating device 3 outlet is switched to the water inlet of high-pressure heater 4,The outlet of high-pressure heater 4 is switched to boiler 5 water inlet,It is provided with slag notch bottom boiler 5,Hydrochloric acid pond 6 it is disposed with below boiler 5、Sulphuric acid pond 7、Collecting tank 8,Wherein hydrochloric acid pond 6、Sulphuric acid pond 7 sidewall is respectively equipped with acid inlet,Hydrochloric acid pond 6、Top, sulphuric acid pond 7 is respectively equipped with slag inlet,Hydrochloric acid pond 6、It is respectively equipped with liquid outlet bottom sulphuric acid pond 7、Slag notch,And the acid inlet in hydrochloric acid pond 6 passes through the introducing hydrochloric acid into acid pump 9 to hydrochloric acid pond 6,The acid inlet in sulphuric acid pond 7 passes through the introducing concentrated sulphuric acid into acid pump 10 to sulphuric acid pond 7,Hydrochloric acid pond 6、Sulphuric acid pond 7 liquid outlet be respectively turned on discharge opeing liquid pump 11、12,Boiler 5 slag notch is switched to hydrochloric acid pond 6 slag inlet by valve 13,Hydrochloric acid pond 6 slag notch is switched to the slag inlet in sulphuric acid pond 7 by valve 14,The slag notch in sulphuric acid pond 7 is switched to collecting tank 8 by valve 15.
The outlet of condenser 1 is switched to the water inlet of a solar heater 16, the outlet of solar heater 16 is switched to the water inlet of low-pressure heater 2, being additionally provided with water supplement port on solar heater 16, water supplement port is introduced in solar heater 16 by moisturizing water pump 17 and supplements water.
Solar heater 16 includes the cell body 18 of open top, cell body 18 open-mouth is provided with collecting plate 19, collecting plate 19 sidewall constitutes sealing with cell body 18 sidewall close-fitting, cell body 18 bottom side sidewall has opening as solar water heater water supplement port, water supplement port is installed moisturizing inlet pipe 20, bottom cell body 18, opposite side sidewall is provided with moisturizing outlet, moisturizing outlet is provided with moisturizing and goes out pipe 21, moisturizing goes out to be provided with valve 22 on pipe 21, moisturizing goes out pipe 21 mouth of pipe outlet as solar heater 16, in cell body 18, embedment has coil 23, coil 23 one end mouth of pipe stretches out the water inlet as solar heater 16 from cell body 18 side sidewall, the moisturizing that the bypass of coil 23 other end accesses between valve 22 and cell body 18 goes out on pipe 21.
Claims (3)
- null1. a thermal power plant heating system,Include condenser、Low-pressure heater、Oxygen-eliminating device、High-pressure heater、Boiler,Wherein condenser air inlet is switched to the low pressure (LP) cylinder air vent of Steam Turbine in Fire Power Plant,The outlet of condenser is switched to low-pressure heater water inlet,Low-pressure heater outlet is switched to oxygen-eliminating device water inlet,Oxygen-eliminating device outlet is switched to the water inlet of high-pressure heater,The outlet of high-pressure heater is switched to boiler feed water mouth,It is characterized in that: described boiler bottom is provided with slag notch,Hydrochloric acid pond it is disposed with below boiler、Sulphuric acid pond、Collecting tank,Wherein hydrochloric acid pond、Sulphuric acid pond sidewall is respectively equipped with acid inlet,Hydrochloric acid pond、Top, sulphuric acid pond is respectively equipped with slag inlet,Hydrochloric acid pond、Sulphuric acid is respectively equipped with liquid outlet bottom pond、Slag notch,And the acid inlet in hydrochloric acid pond passes through the introducing hydrochloric acid into acid pump to hydrochloric acid pond,The acid inlet in sulphuric acid pond passes through the introducing concentrated sulphuric acid into acid pump to sulphuric acid pond,Hydrochloric acid pond、The liquid outlet in sulphuric acid pond has been respectively turned on positive displacement pump,Described boiler slag mouth is switched to hydrochloric acid pond slag inlet by valve,Hydrochloric acid pond slag notch is switched to the slag inlet in sulphuric acid pond by valve,The slag notch in sulphuric acid pond is switched to collecting tank by valve.
- 2. a kind of thermal power plant according to claim 1 heating system, it is characterized in that: the outlet of described condenser is switched to the water inlet of a solar heater, the outlet of solar heater is switched to the water inlet of low-pressure heater, being additionally provided with water supplement port on solar heater, water supplement port is introduced in solar heater by moisturizing water pump and supplements water.
- 3. a kind of thermal power plant according to claim 2 heating system, it is characterized in that: described solar heater includes the cell body of open top, cell body open-mouth is provided with collecting plate, collecting plate sidewall constitutes sealing with cell body sidewall close-fitting, cell body bottom side sidewall has opening as solar water heater water supplement port, water supplement port is installed moisturizing inlet pipe, bottom cell body, opposite side sidewall is provided with moisturizing outlet, moisturizing outlet is provided with moisturizing and goes out pipe, moisturizing goes out to be provided with valve on pipe, described moisturizing goes out the pipe mouth of pipe outlet as solar heater, in cell body, embedment has coil, coil one end mouth of pipe stretches out the water inlet as solar heater from cell body side sidewall, the moisturizing that the bypass of the coil other end accesses between valve and cell body goes out on pipe.
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CN201310187960.9A CN103318896B (en) | 2013-05-20 | 2013-05-20 | A kind of thermal power plant heating system |
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CN201310187960.9A CN103318896B (en) | 2013-05-20 | 2013-05-20 | A kind of thermal power plant heating system |
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CN103318896B true CN103318896B (en) | 2016-07-06 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2740596Y (en) * | 2004-12-01 | 2005-11-16 | 天津力源永春科技发展有限公司 | Secondary water outlet recovering and heat supplying system complete set apparatus from nanometer filtering membrane treat |
CN102147123A (en) * | 2010-02-10 | 2011-08-10 | 同方川崎空调设备有限公司 | Waste heat recovery type heating system of initial station |
CN103016083A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Back pressure and straight condensing switching heat supply system |
CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
-
2013
- 2013-05-20 CN CN201310187960.9A patent/CN103318896B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2740596Y (en) * | 2004-12-01 | 2005-11-16 | 天津力源永春科技发展有限公司 | Secondary water outlet recovering and heat supplying system complete set apparatus from nanometer filtering membrane treat |
CN102147123A (en) * | 2010-02-10 | 2011-08-10 | 同方川崎空调设备有限公司 | Waste heat recovery type heating system of initial station |
CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
CN103016083A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Back pressure and straight condensing switching heat supply system |
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Effective date of registration: 20181119 Address after: 471000 Chengguanxi, Yanshi City, Luoyang City, Henan Province Patentee after: DATANG LUOYANG SHOUYANGSHAN POWER PLANT Address before: 233000 No. 103, Zhong Rong Street, Culture Museum, bengshan mountain, Bengbu, Anhui Patentee before: Gu Jin |
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