CN101655019A - Dry quenching dual pressure high-temperature and high-pressure residual heat power generation system - Google Patents
Dry quenching dual pressure high-temperature and high-pressure residual heat power generation system Download PDFInfo
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- CN101655019A CN101655019A CN200910097381A CN200910097381A CN101655019A CN 101655019 A CN101655019 A CN 101655019A CN 200910097381 A CN200910097381 A CN 200910097381A CN 200910097381 A CN200910097381 A CN 200910097381A CN 101655019 A CN101655019 A CN 101655019A
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- 238000010791 quenching Methods 0.000 title claims abstract description 49
- 230000000171 quenching effect Effects 0.000 title claims abstract description 49
- 238000010248 power generation Methods 0.000 title claims abstract description 26
- 230000009977 dual effect Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims description 25
- 239000006200 vaporizer Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000011261 inert gas Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000000571 coke Substances 0.000 description 10
- 238000006392 deoxygenation reaction Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JGASTEWEWNVFRL-UHFFFAOYSA-N 2-azanylidyne-n-sulfidoacetonitrilium Chemical compound [S-][N+]#CC#N JGASTEWEWNVFRL-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention discloses a dry quenching dual pressure high-temperature and high-pressure residual heat power generation system, which comprises a dry quenching high-temperature and high-pressure superheated steam dual pressure residual heat boiler, a steam turbine generator unit, a condensation device and a condensation water pump, wherein the steam turbine generator unit and the high-pressure superheated steam dual pressure residual heat boiler form a return circuit through the condensation device and the condensation water pump. The dry quenching dual pressure high-temperature and high-pressure residual heat power generation system provided by the invention can fully absorb the energy of smoke and has higher efficiency for recovering residual heat, and the residual heat recovering powergeneration technology reaches the international advanced level by adopting the dual pressure residual heat boiler plus a perfect inert gas recirculation system.
Description
Technical field
The present invention relates to the two pressure exhaust heat boiler configuration of a kind of efficient dry quenching Turbo-generator Set afterheat generating system, particularly a kind of dry quenching dual pressure high-temperature and high-pressure residual heat power generation system.
Background technique
Coking engineering projects adopts wet quenching, whenever puts out the steam that the red coke of 1t will contain 0.5t a large amount of phenol, cyanogen sulphide and dust and throws to sky, seriously polluted atmosphere and around environment.The environmental pollution problem meaning of administering wet quenching is very great.CDQ utilizes inert gas, in closed system red Jiao is extinguished, and is equipped with good dust removal installation, and is free from environmental pollution.Can produce steam owing to dry quenching simultaneously, and can be used for generating, can avoid of the pollution of the conventional coal-burning boiler of identical scale, and reduce the discharging of CO2 to atmosphere to atmosphere.
Red Jiao's the sensible heat of coming out of the stove accounts for 35%～40% of coke oven energy consumption, and this part energy is equivalent to 5% of coking coal energy.Adopt the red burnt sensible heat of CDQ recyclable about 80%; The coke that CDQ is produced then helps improving coal powder blowing amount to adopting the blast furnace of Coal powder spray technology, and energy-saving effect is more obvious.
CDQ is compared with wet quenching, and CDQ has improved coke quality, makes coke M40 improve 3%～8%, and M10 improves 0.3%～0.8%; Improved the uniformity of lumpiness; Reduced the reactivity of coke.This is to reducing ironmaking cost, and it is very favourable to improve pig iron output.
This shows, dry quenching high temperature inert recycle gas is reclaimed the superheated vapor that heat produces by exhaust heat boiler, be used for the Turbo-generator Set generating, not only saved the energy, reduced energy consumption, reduce the discharge amount of greenhouse gases, also can effectively improve the ambient air quality of coking plant area, obvious environment benefit.
According at present domestic and international technology, the pattern of dry coke quenching residual heat boiler has: single pressure, single pressure+flash distillation, and single exhaust heat boiler configuration Turbo-generator Set of pressing is adopted in dry quenching cogeneration mostly, its characteristics are: single exhaust heat boiler configuration Turbo-generator Set of pressing, exhaust heat boiler temperature of exhaust fume height (about 165 ℃), and need the external world that the deoxygenation low pressure steam is provided, dry quenching UTILIZATION OF VESIDUAL HEAT IN efficient is low, the cost of electricity-generating height.
Summary of the invention
The objective of the invention is to provide and have higher heat recovery efficient for the deficiency that solves above-mentioned technology, under the prerequisite that does not influence former dry quenching technological process, can guarantee that Turbo-generator Set adapts to the dry quenching dual pressure high-temperature and high-pressure residual heat power generation system of the operating mode of dry coke quenching residual heat boiler.
In order to achieve the above object, a kind of dry quenching dual pressure high-temperature and high-pressure residual heat power generation system that the present invention is designed, comprise the two pressure exhaust heat boilers of dry quenching high-temperature high-pressure overheat steam, Turbo-generator Set, condensation device and condensate pump, the two pressure exhaust heat boilers of described dry quenching high-temperature high-pressure overheat steam comprise: low-pressure coal saver, higher-pressure deaerator, low pressure drum, low pressure evaporator, high-pressure economizer, high pressure drum, high pressure extended surface tube vaporizer, high pressure light pipe vaporizer, high pressure low temperature superheater, desuperheater, high pressure-temperature superheater; Described Turbo-generator Set comprises steam turbine, generator; Described condensation device is condenser, cooling tower, circulating water pump composition closed cycle; Condenser is connected with low-pressure coal saver by condensate pump, low-pressure coal saver is connected with higher-pressure deaerator with the pipeline that has valve, higher-pressure deaerator directly is connected with the low pressure drum, the low pressure drum passes through high pressure water pump, high-pressure economizer is connected with the high pressure drum, the high pressure drum is connected with the high pressure low temperature superheater by steam-water separator, the high pressure low temperature superheater is connected with the high pressure-temperature superheater by desuperheater, the high pressure-temperature superheater directly is connected with Turbo-generator Set by the pipeline that has valve, and Turbo-generator Set is passed through condensation device respectively, condensate pump, form the loop with the two pressure exhaust heat boilers of high-temperature high-pressure overheat steam.
Before and after described condensate pump, can be serially connected with valve, condenser by pipeline be connected with low-pressure coal saver again after the valvular condensate pump of the serial connection of two groups of parallel connections is connected.
Described low-pressure coal saver can be provided with the adjusting bypass.
Described low pressure drum can be connected with low pressure evaporator with asending pipe by falling tube; Described high pressure drum can be connected with high pressure light pipe vaporizer, high pressure extended surface tube vaporizer respectively with asending pipe by falling tube.
Described higher-pressure deaerator and high pressure water pump form circulation loop.
Described sweet-water tank is connected with condenser by the demineralized water small pump; Described sweet-water tank can be connected with condenser by the pipeline that has valve.
The present invention adopts the two pressure exhaust heat boiler configuration of dry quenching high-temperature high-pressure overheat steam Turbo-generator Set, the temperature of exhaust fume of the heat boiler outlet of its afterheat generating system is below 145 ℃, cancel the heat pipe heat exchanger of former dry quenching flue gas system, this power generation system is owing to adopt two pressure exhaust heat boilers simultaneously, boiler carries oxygen-eliminating device, cancel the deaerated feedwater pumping plant of former dry quenching afterheat generating system, do not need the external world that deoxygenation steam is provided, deoxygenation is provided by the exhaust heat boiler low pressure evaporator with vapour.
Dry quenching dual pressure high-temperature and high-pressure residual heat power generation system provided by the invention does not need to consume any fossil fuel, helps the realization of Sustainable Development of Enterprises target, reduces the local SO that is brought by conventional thermal power plant
2, NO
X, dust and so on atmospheric pollutant.
Dry quenching dual pressure high-temperature and high-pressure residual heat power generation system provided by the invention, can fully absorb the energy of flue gas, has higher heat recovery efficient, adopt two pressure exhaust heat boilers, add and adopt perfect inert gas recirculating system, the heat recovery efficient of this exhaust heat recovery power generation technology is reached advanced world standards.
One tame iron and steel enterprise adopts 75t/h dry coke quenching auxiliary inertia recycle gas exhaust heat recovery power generation, the effect of energy-saving and emission-reduction: not only do not need to consume any fossil fuel, also will produce 289800 tons/year of steam, through steam turbine power generation, the electric power that produces uses for the coke-oven plant, so, and with regard to alternative corresponding coal-fired steam boiler, can save about 26904 tons/year of standard coal consumption every year, thereby reduce SO
2(the coal sulfur-bearing is by 0.6%) discharge amount is about 322.8 tons/year, reduces smoke discharge amount and is about 1656 tons/year, reduces the NOx discharge amount and is about 275 tons/year, reduces CO
2Discharge amount is about 66304 tons/year, and the whole nation has numerous iron and steel enterprises, all adopt the effect of its energy-saving and emission-reduction of present technique will amplify more than tens times, hence one can see that, dry quenching has not only been saved the energy, has reduced energy consumption, has reduced the discharge amount of greenhouse gases, also can effectively improve the ambient air quality of coking plant area, obvious environment benefit.The two afterheat generating systems of pressing of efficient dry quenching are promoted in the whole nation, and its economic benefit, social benefit, environmental benefit are huge.
Description of drawings
Fig. 1 is a dry quenching dual pressure high-temperature and high-pressure residual heat power generation system structural representation of the present invention;
Fig. 2 is the high-pressure section structural representation of the two pressure exhaust heat boilers of dry quenching high-temperature high-pressure overheat steam;
Fig. 3 is the low-pressure section structural representation of the two pressure exhaust heat boilers of dry quenching high-temperature high-pressure overheat steam.
Wherein: steam turbine 1, generator 2, condenser 3, condensate pump 4, low-pressure coal saver 5, higher-pressure deaerator 6, low pressure drum 7, low pressure evaporator 8, high pressure water pump 9, high-pressure economizer 10, high pressure drum 11, high pressure extended surface tube vaporizer 12, high pressure light pipe vaporizer 13, high pressure low temperature superheater 14, desuperheater 15, high pressure-temperature superheater 16, low-pressure section combined muffler 17, high-pressure section combined muffler 18, two grade cooling towers 19, recirculated cooling water pump 20, sweet-water tank 21, demineralized water small pump 22, regulate bypass 23.
Embodiment
In conjunction with the accompanying drawings patent of the present invention is further described by embodiment down.
Embodiment 1
As shown in Figure 1, a kind of dry quenching dual pressure high-temperature and high-pressure residual heat power generation system that present embodiment provides, comprise the two pressure exhaust heat boilers of dry quenching high-temperature high-pressure overheat steam, Turbo-generator Set, condensation device and condensate pump 4 is characterized in that: the two pressure exhaust heat boilers of described dry quenching high-temperature high-pressure overheat steam comprise: low-pressure coal saver 5, higher-pressure deaerator 6, low pressure drum 7, low pressure evaporator 8, high-pressure economizer 10, high pressure drum 11, high pressure extended surface tube vaporizer 12, high pressure light pipe vaporizer 13, high pressure low temperature superheater 14, desuperheater 15, high pressure-temperature superheater 16; Described Turbo-generator Set comprises steam turbine 1, generator 2; Described condensation device is condenser 3, cooling tower 19, circulating water pump 20 composition closed cycles; Condenser 3 is connected with low-pressure coal saver 5 by condensate pump 4, low-pressure coal saver 5 is connected with higher-pressure deaerator 6 with the pipeline that has valve, higher-pressure deaerator 6 directly is connected with low pressure drum 7, low pressure drum 7 is by high pressure water pump 9, high-pressure economizer 10 is connected with high pressure drum 11, high pressure drum 11 is connected with high pressure low temperature superheater 14 by steam-water separator, high pressure low temperature superheater 14 is connected with high pressure-temperature superheater 16 by desuperheater 15, high pressure-temperature superheater 16 directly is connected with Turbo-generator Set by the pipeline that has valve, and Turbo-generator Set is passed through condensation device respectively, condensate pump 4, form the loop with the two pressure exhaust heat boilers of high-temperature high-pressure overheat steam.Described condensate pump 4 tandem connections have valve, condenser 3 by pipeline be connected with low-pressure coal saver 5 again after the condensate pump 4 of the serial connection row valve of two groups of parallel connections is connected.Described low-pressure coal saver 5 is provided with regulates bypass 23.Described low pressure drum 7 is connected with low pressure evaporator 8 with asending pipe by falling tube; Described high pressure drum 11 is connected with high pressure light pipe vaporizer 13, high pressure extended surface tube vaporizer 12 respectively with asending pipe by falling tube.Described higher-pressure deaerator 6 forms circulation loop with high pressure water pump 9.Described sweet-water tank 21 is connected with condenser 3 by demineralized water small pump 22.
Steam turbine 1 is connected with generator 2, steam turbine 1 respectively with condenser 3, low-pressure coal saver 5 connects, low pressure evaporator 8 is connected with low pressure drum 7 by pipeline provides higher-pressure deaerator 7 required deoxygenation steam, high pressure drum 11 is by pipeline and high pressure extended surface tube vaporizer 12, high pressure light pipe vaporizer 13 connects provides high-pressure saturated steam, high pressure drum 11, high pressure-temperature superheater 16 outlet conduits are connected higher-pressure deaerator 6 by the pipeline that has safety valve with high-pressure section combined muffler 18, low pressure drum 7 is connected with low-pressure section combined muffler 17 by the pipeline that has safety valve.
As Fig. 2, shown in Figure 3, be example with the 140t/h dry coke quenching auxiliary, be about 850～950 ℃ from the dried temperature of putting out the thermal cycle gas that fire grate goes out, flow is about 183322Nm
3/ h, after the disposable dust remover dedusting, pass through high pressure-temperature superheater 16, high pressure low temperature superheater 14, high pressure light pipe vaporizer 13, high pressure extended surface tube vaporizer 12, high-pressure economizer 10, low pressure evaporator 8, low-pressure coal saver 5 heat exchange successively, temperature is reduced to 135～140 ℃, the cold recycle gas that comes out from low-pressure coal saver 5 recycles by entering the dried stove that puts out after the circulating fan pressurization after the dedusting of dry quenching special dust seperator.
During work, two pressure exhaust heat boiler high pressure-temperature superheater 16 outlets produce high temperature and high pressure steam (pressure 9.81MPa (g), 540 ℃ of temperature, flow 68t/h) and promote the Turbo-generator Set generating, the steam turbine water of condensation is delivered to low-pressure coal saver 5 behind condenser 3, condensate pump 4, go to enter low pressure drum 7 after higher-pressure deaerator 6 deoxygenations after absorbing certain heat, the water of low pressure drum 7 removes low pressure evaporator 8 through falling tube, get back to low pressure drum 7 by the low pressure asending pipe again, remove high pressure water pump 9 by the saturation water after the high pressure deoxygenation, high-pressure economizer 10 is supplied with in the back of boosting.High-pressure feed water enters pressure kettle tube 11 after heating in high-pressure economizer 10, the water of high pressure drum 11 by the heating of high pressure light pipe vaporizer 13, high pressure extended surface tube vaporizer 12 natural cycle systems after, become steam water interface after, send high pressure drum 11 again back to.Steam water interface carries out carbonated drink separation in high pressure drum 11, saturated vapour is sent to high pressure low temperature superheater 14, and the water that is separated falls into high pressure drum 11 as stove water, offers the circulatory system once more.
Saturated vapour removes desuperheater 15 after overheated in high pressure low temperature superheater 14, to desuperheater 15 water sprays, make high pressure superheated steam reach setting temperature.
It is further overheated that the superheated vapor of process desuperheat carries out in high pressure-temperature superheater 16, reaches the high pressure steam of setting temperature, is sent to steam turbine 1 as generating with steam, finishes a cyclic process.
The demineralized water that comes from desalted water station enters sweet-water tank 21, mends behind condenser 3 throat's deaeration in condensers as boiler feedwater by demineralized water small pump 22.
Claims (10)
1, a kind of dry quenching dual pressure high-temperature and high-pressure residual heat power generation system, comprise the two pressure exhaust heat boilers of dry quenching high-temperature high-pressure overheat steam, Turbo-generator Set, condensation device and condensate pump (4) is characterized in that: the two pressure exhaust heat boilers of described dry quenching high-temperature high-pressure overheat steam comprise: low-pressure coal saver (5), higher-pressure deaerator (6), low pressure drum (7), low pressure evaporator (8), high-pressure economizer (10), high pressure drum (11), high pressure extended surface tube vaporizer (12), high pressure light pipe vaporizer (13), high pressure low temperature superheater (14), desuperheater (15), high pressure-temperature superheater (16); Described Turbo-generator Set comprises steam turbine (1), generator (2); Described condensation device is condenser (3), cooling tower (19), circulating water pump (20) composition closed cycle; Condenser (3) is connected with low-pressure coal saver (5) by condensate pump (4), low-pressure coal saver (5) is connected with higher-pressure deaerator (6) with the pipeline that has valve, higher-pressure deaerator (6) directly is connected with low pressure drum (7), low pressure drum (7) is by high pressure water pump (9), high-pressure economizer (10) is connected with high pressure drum (11), high pressure drum (11) is connected with high pressure low temperature superheater (14) by steam-water separator, high pressure low temperature superheater (14) is connected with high pressure-temperature superheater (16) by desuperheater (15), high pressure-temperature superheater (16) directly is connected with Turbo-generator Set by the pipeline that has valve, and Turbo-generator Set is passed through condensation device respectively, condensate pump (4), form the loop with the two pressure exhaust heat boilers of high-temperature high-pressure overheat steam.
2, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 1, it is characterized in that valve being arranged at described condensate pump (4) tandem connection, condenser (3) by pipeline be connected with low-pressure coal saver (5) again after the valvular condensate pump of the serial connection of two groups of parallel connections (4) is connected.
3, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 1 and 2 is characterized in that: described low-pressure coal saver (5) is provided with regulates bypass (23).
4, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 1 and 2 is characterized in that: described low pressure drum (7) is connected with low pressure evaporator (8) with asending pipe by falling tube; Described high pressure drum (11) is connected with high pressure light pipe vaporizer (13), high pressure extended surface tube vaporizer (12) respectively with asending pipe by falling tube.
5, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 3 is characterized in that: described low pressure drum (7) is connected with low pressure evaporator (8) with asending pipe by falling tube; Described high pressure drum (11) is connected with high pressure light pipe vaporizer (13), high pressure extended surface tube vaporizer (12) respectively with asending pipe by falling tube.
6, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 1 and 2 is characterized in that: described higher-pressure deaerator (6) forms circulation loop with high pressure water pump (9).
7, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 5 is characterized in that: described higher-pressure deaerator (6) forms circulation loop with high pressure water pump (9).
8, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 1 and 2 is characterized in that: described sweet-water tank (21) is connected with condenser (3) by demineralized water small pump (22).
9, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 6 is characterized in that: described sweet-water tank (21) is connected with condenser (3) by demineralized water small pump (22).
10, dry quenching dual pressure high-temperature and high-pressure residual heat power generation system according to claim 7 is characterized in that: described sweet-water tank (21) is connected with condenser (3) by demineralized water small pump (22).
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207356A (en) * | 2011-05-19 | 2011-10-05 | 北京创时能源有限公司 | Method and system for controlling stagnation and blockage of condenser in circulating water waste heat recovery system |
| CN102313269A (en) * | 2010-07-08 | 2012-01-11 | 沈国华 | Steam hot water generator using exhausted smoke waste heat of setting machine and boiler |
| CN102816574A (en) * | 2012-08-31 | 2012-12-12 | 上海宝钢节能技术有限公司 | Device for generating electricity from waste heat of raw coke oven gas |
| CN103388817A (en) * | 2013-07-16 | 2013-11-13 | 广西华锐钢铁工程设计咨询有限责任公司 | Residual heat recovery system of sewage water of coke dry quenching boiler |
| CN104213951A (en) * | 2013-06-03 | 2014-12-17 | 盾安（天津）节能系统有限公司 | Multi-group coke oven waste heat utilization system |
| CN105386803A (en) * | 2015-12-08 | 2016-03-09 | 中船重工重庆智能装备工程设计有限公司 | Low-grade waste heat power generation system capable of achieving gas-liquid hybrid recycling and control method |
| CN106642042A (en) * | 2017-01-23 | 2017-05-10 | 中冶焦耐(大连)工程技术有限公司 | A CDQ boiler intermediate reheat power generation process and system |
| CN106969339A (en) * | 2017-05-18 | 2017-07-21 | 中冶华天南京工程技术有限公司 | Integrated power generation system based on coke-oven plant's heat recovery |
| CN106989610A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's heat recovery |
| CN106989611A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | A kind of coke-stove gas and dry coke quenching residual heat integrative electricity generation system |
| CN107014218A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization |
| CN110966586A (en) * | 2019-11-15 | 2020-04-07 | 西安华江环保科技股份有限公司 | A dual-pressure reheat CDQ boiler thermal system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313269A (en) * | 2010-07-08 | 2012-01-11 | 沈国华 | Steam hot water generator using exhausted smoke waste heat of setting machine and boiler |
| CN102207356B (en) * | 2011-05-19 | 2013-07-17 | 北京创时能源有限公司 | Method and system for controlling stagnation and blockage of condenser in circulating water waste heat recovery system |
| CN102207356A (en) * | 2011-05-19 | 2011-10-05 | 北京创时能源有限公司 | Method and system for controlling stagnation and blockage of condenser in circulating water waste heat recovery system |
| CN102816574A (en) * | 2012-08-31 | 2012-12-12 | 上海宝钢节能技术有限公司 | Device for generating electricity from waste heat of raw coke oven gas |
| CN104213951B (en) * | 2013-06-03 | 2017-11-28 | 盾安（天津）节能系统有限公司 | Waste heat of coke oven is multigroup to utilize system |
| CN104213951A (en) * | 2013-06-03 | 2014-12-17 | 盾安（天津）节能系统有限公司 | Multi-group coke oven waste heat utilization system |
| CN103388817A (en) * | 2013-07-16 | 2013-11-13 | 广西华锐钢铁工程设计咨询有限责任公司 | Residual heat recovery system of sewage water of coke dry quenching boiler |
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| CN107014218B (en) * | 2017-05-18 | 2023-10-31 | 中冶华天南京工程技术有限公司 | Thermal power generation system based on waste heat and complementary energy integrated utilization of coking plant |
| CN106989611B (en) * | 2017-05-18 | 2023-11-24 | 中冶华天南京工程技术有限公司 | Coke oven gas and dry quenching waste heat comprehensive power generation system |
| CN110966586A (en) * | 2019-11-15 | 2020-04-07 | 西安华江环保科技股份有限公司 | A dual-pressure reheat CDQ boiler thermal system |
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Application publication date: 20100224 |