CN105275616A - Combined heat, water and power generation system - Google Patents
Combined heat, water and power generation system Download PDFInfo
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- CN105275616A CN105275616A CN201510705570.5A CN201510705570A CN105275616A CN 105275616 A CN105275616 A CN 105275616A CN 201510705570 A CN201510705570 A CN 201510705570A CN 105275616 A CN105275616 A CN 105275616A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000010248 power generation Methods 0.000 title abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 103
- 239000003034 coal gas Substances 0.000 claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims abstract description 15
- 239000006200 vaporizer Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 19
- 238000010992 reflux Methods 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 7
- 239000012267 brine Substances 0.000 claims description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 239000002918 waste heat Substances 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000013535 sea water Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 235000014171 carbonated beverage Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241000707825 Argyrosomus regius Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000802 nitrating effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a hot water and electricity cogeneration system, which comprises: the system comprises a gas turbine subsystem, a waste heat boiler, a steam turbine, a low-temperature multi-effect evaporator and a generator set; the gas turbine subsystem is connected with the generator set, burns coal gas to generate high-temperature flue gas, and converts heat energy in the high-temperature flue gas into mechanical energy to drive the generator set to generate electricity. The hot water and electricity cogeneration system provided by the invention utilizes the surplus gas of the steel plant to carry out gas turbine combined cycle power generation, meanwhile, the flue gas discharged by the gas turbine recovers heat to be supplied to a waste heat boiler for utilization, and the generated steam is used for steam turbine power generation.
Description
Technical field
The present invention relates to power industry comprehensive utilization of energy technical field, particularly a kind of hot water cogeneration system.
Background technique
Along with the arrival in steel industry long-term meagre profit bare epoch, country is to the pay attention to day by day of recycling economy and ecotope, and the Gas Resource that iron and steel enterprise produces finally will all be recycled, and stops to diffuse waste, befouling environment.The gas to generate electricity project that enterprise sets up the most applicable own type according to self-condition seems especially important.CombinedCyclePowerPlant generator set (hereinafter referred CCPP) is as current era advanced person, ripe generation technology the most, advantage that is efficient with it, environmental protection is worldwide widely used, and as the first-selection of newly-built power generation project technology, its heat to power output efficiency of CCPP unit is obviously higher than the unit steam single cycle generation technology of the conventional boiler combustion manner of ad eundem scale.Enterprise Resources Optimization configuration can be realized, reduce Enterprise Integrated energy consumption, the economic benefit increasing enterprise and the market competitiveness.
But iron and steel enterprise usually exists such situation: low combustion value furnace gas discharges in a large number on the one hand, contained energy runs off and causes environmental pollution.On the other hand iron and steel enterprise is again large electricity consumer, ton steel power consumption at about 500kwh, Iron And Steel Plant need external electrical network a large amount of power purchase, due to power purchase costly, the power cost of steel products is quite high.CCPP and conventional gas to generate electricity technology are conventional power-saving technology, but the investment of CCPP generation technology is high, efficiency is high, income is high, and conventional gas to generate electricity technological investment is low, efficiency is low, income is low.
Current most of inflammable gas can be utilized in production link, and the coal gas on a small quantity after balance can not utilize and can only diffuse, the blast furnace gas that especially calorific value is lower.How to reclaim the energy diffusing inflammable gas, decreasing pollution thing discharges, and becomes iron and steel enterprise and carries out reducing energy consumption, reduces discharging an important process of synergy.
Summary of the invention
The object of this invention is to provide one can carry out unifying configuration, unified control, save the hot water cogeneration system of operating cost.
Hot water cogeneration system provided by the invention, comprise: a gas turbine subtense angle, described gas turbine subtense angle is connected with generator set, high-temperature flue gas is produced for mixed gas being carried out burning, and by the thermal power transfer in described high-temperature flue gas for generator set described in mechanical energy rear driving generates electricity, being connected with exhaust heat boiler of described gas turbine subtense angle, the flue gas produced for mixed gas being carried out burning inputs described exhaust heat boiler and obtains steam;
One exhaust heat boiler, described exhaust heat boiler is connected with steam turbine, for by described steam Transportation to described steam turbine, described exhaust heat boiler is connected with low-temperature multi-effect vaporizer, for by described steam Transportation extremely described low-temperature multi-effect vaporizer;
One steam turbine, described steam turbine is connected with described generator set, for by the thermal power transfer in described steam for generator set described in mechanical energy rear driving generates electricity, described steam turbine is connected with described low-temperature multi-effect vaporizer, and the exhaust steam produced during for being mechanical energy by described steam turbine by the thermal power transfer in described steam transfers to described low-temperature multi-effect vaporizer;
One low-temperature multi-effect vaporizer, obtain condensed water, demineralized water and brine for described steam and described exhaust steam being carried out distillation, described condensed water is delivered to described exhaust heat boiler after treatment and recycles.
Further, described gas turbine subtense angle comprises:
One gas compression pump, described gas compression pump is connected with firing chamber, after being compressed by mixed gas, be delivered to described firing chamber;
One air compressor, described air compressor is connected with firing chamber, for being delivered to described firing chamber after air compressing;
One firing chamber, for by compression after mixed gas and air burn after produce high-temperature flue gas be delivered to gas turbine;
One gas turbine, described gas turbine is connected with described generator set, for being mechanical energy by the thermal power transfer in described high-temperature flue gas, and described mechanical energy is delivered to described generator set, described gas turbine is connected with described exhaust heat boiler, and the flue gas for being exported by described gas turbine is directly delivered to described exhaust heat boiler and carries out heat exchange generation steam.
Further, described gas compression pump outlet conduit comprises main road pipeline and bypass duct, and coal gas is directly delivered to described gas turbine by described main road pipeline and burns by described gas compression pump.
Further, described hot water cogeneration system, also comprises:
One modulating valve, described modulating valve is arranged on described bypass duct, for when combustion engine load changes or starts adjustment, regulates described modulating valve, and unnecessary coal gas is delivered to described coal gas reflux cooler by bypass duct,
One reflux cooler, described coal gas reflux cooler is arranged on described bypass duct, recycles for sending back in described gas compression pump after unnecessary coal gas is carried out pressure and temperature reducing.
Further, described hot water cogeneration system, also comprises:
One first order moisture trap, described first order moisture trap is arranged on described bypass duct, and between described coal gas reflux cooler and described gas compression pump, after described first order moisture trap is used for that the unnecessary coal gas after described coal gas reflux cooler pressure and temperature reducing is carried out air-water separation, the more unnecessary coal gas after being separated is delivered in described gas compression pump and recycles.
Further, described hot water cogeneration system, also comprises:
One high pressure turbine by reducing-and-cooling plant, described high pressure turbine by reducing-and-cooling plant is arranged between described exhaust heat boiler and described low-temperature multi-effect vaporizer, and described high pressure turbine by reducing-and-cooling plant is used for being delivered to described low-temperature multi-effect vaporizer by after the high pressure steam pressure and temperature reducing produced in described exhaust heat boiler;
One low voltage bypass reducing-and-cooling plant, described low voltage bypass reducing-and-cooling plant is arranged between described exhaust heat boiler and described low-temperature multi-effect vaporizer, and described low voltage bypass reducing-and-cooling plant is used for being delivered to described low-temperature multi-effect vaporizer by after the low pressure steam pressure and temperature reducing produced in described exhaust heat boiler.
A kind of hot water cogeneration system provided by the invention, Iron And Steel Plant's surplus gas is utilized to carry out gas turbine combined cycle power plant, the off-gas recovery heat supply exhaust heat boiler that gas turbine is discharged simultaneously utilizes, produce steam and carry out steam turbine generating, the exhaust steam of turbine exhaust can be used as power heat source and produces demineralized water for low temperature multiple-effect distillation sea water desalting, thus make native system define a kind of environment protection type coproduction recycling economy chain of comprehensive utilization of resources, not only energy utilization type is various, and resources utilization degree is high, achieve the target of energy-saving and emission-reduction, recycling economy.
Accompanying drawing explanation
A kind of hot water cogeneration system structural representation that Fig. 1 provides for the embodiment of the present invention.
Embodiment
The present invention adopts CCPP to be coupled with low temperature multiple-effect distillation technology, and what both can solve blast furnace gas diffuses problem, can recycle again, produce demineralized water, for each master operation of enterprise to generating exhaust steam.Below in conjunction with specific embodiment, the present invention will be further described.
As shown in Figure 1, the invention provides a kind of hot water cogeneration system, comprising: gas turbine subtense angle, exhaust heat boiler 6, steam turbine 7, low-temperature multi-effect vaporizer 9 and generator set 5; Gas turbine subtense angle is connected with generator set 5, and gas turbine subtense angle is used for mixed gas being carried out burning and produces high-temperature flue gas 12, and is that mechanical energy rear driving generator set 5 generates electricity by the thermal power transfer in high-temperature flue gas 12; Gas turbine subtense angle is connected with generator set 5 by exhaust heat boiler 6 and steam turbine 7, mixed gas is carried out burning and produces flue gas 13 and input exhaust heat boiler 6 and obtain steam 14 by gas turbine subtense angle, steam 14 is delivered to steam turbine 7 by exhaust heat boiler 6, and the thermal power transfer in steam 14 is that 5 groups, mechanical energy rear driving generator generates electricity by steam turbine 7; Gas turbine subtense angle is connected with low-temperature multi-effect vaporizer 9 by exhaust heat boiler 6, steam Transportation to low-temperature multi-effect vaporizer 9 is carried out distillation and obtains condensed water 16, demineralized water 20 and brine 21 by exhaust heat boiler 6, and condensed water 16 is delivered to exhaust heat boiler 6 after treatment and recycles; The exhaust steam 15 that steam turbine 7 produces when being mechanical energy by the thermal power transfer in steam inputs in low-temperature multi-effect vaporizer 9 carries out distillation acquisition condensed water 16, demineralized water 20 and brine 21, and condensed water 16 is delivered to exhaust heat boiler 6 after treatment and recycles.
Gas turbine subtense angle comprises: air compressor 3, firing chamber 2, gas compression pump 1 and gas turbine 4;
Air compressor 3 is connected with gas turbine 4 by firing chamber 2, gas compression pump 1 is connected with gas turbine 4 by firing chamber 2, mixed gas 10 is undertaken compressing rear input firing chamber 2 by gas compression pump 1, air 11 is undertaken compressing rear input firing chamber 2 by air compressor 3, after the combustion of firing chamber 2, produce high-temperature flue gas 12 through the mixed gas 10 of overcompression and the air after compressed and input gas turbine 4, it is mechanical energy that gas turbine is used for the thermal power transfer in high-temperature flue gas 12, and mechanical energy is delivered to 5 groups, generator.The flue gas 13 that gas turbine 4 exports directly enters exhaust heat boiler 6, carries out heat exchange with the carbonated drink medium in exhaust heat boiler 6, produces steam 14.
A kind of hot water cogeneration system provided by the invention, also comprises: modulating valve (not shown), coal gas reflux cooler (not shown), first order moisture trap (not shown), high pressure turbine by reducing-and-cooling plant (not shown) and low voltage bypass reducing-and-cooling plant (not shown);
Wherein, gas compression pump 1 outlet conduit comprises main road pipeline and bypass duct, and mixed gas 10 is directly delivered to gas turbine 4 by main road pipeline and burns by gas compression pump 1; Modulating valve and coal gas reflux cooler are arranged on bypass duct, modulating valve is used for when gas turbine 4 load changes or starts adjustment, regulate modulating valve, unnecessary coal gas is delivered to coal gas reflux cooler by bypass duct, and coal gas reflux cooler sends back in gas compression pump 1 and recycles after being used for that unnecessary coal gas is carried out pressure and temperature reducing.
First order moisture trap is arranged on bypass duct, and between coal gas reflux cooler and gas compression pump 1, after first order moisture trap is used for that the unnecessary coal gas after coal gas reflux cooler pressure and temperature reducing is carried out air-water separation, the more unnecessary coal gas after being separated is delivered in gas compression pump 1 and recycles.
High pressure turbine by reducing-and-cooling plant is arranged between exhaust heat boiler 6 and low-temperature multi-effect vaporizer 9, and high pressure turbine by reducing-and-cooling plant is used for being delivered to low-temperature multi-effect vaporizer 9 by after high pressure steam 18 pressure and temperature reducing produced in exhaust heat boiler 6.Low voltage bypass reducing-and-cooling plant is arranged between exhaust heat boiler 6 and low-temperature multi-effect vaporizer 9, and low voltage bypass reducing-and-cooling plant is used for being delivered to low-temperature multi-effect vaporizer 9 by after low pressure steam 19 pressure and temperature reducing produced in exhaust heat boiler 6.
When using hot water cogeneration system provided by the invention work, mixed gas 10 is by entering gas compression pump 1 after nitrating, calorific value adjustment, pretreatment, and mixed gas 10 enters firing chamber 2 after being pressurized to certain pressure and temperature by gas compression pump 1; Combustion air 11 is forced into after certain pressure and temperature through air compressor 3 after pretreatment and enters firing chamber 2, mixed gas 10 and combustion air are in firing chamber 2, mixed gas 10 burns with larger excess air coefficient, produce high temperature and high pressure flue gas 12, and high temperature and high pressure flue gas 12 is delivered to gas turbine 4, gas turbine 4 by the thermal power transfer in high temperature and high pressure flue gas 12 be mechanical energy drive generator set 5 do work produce electricity 17.The outlet temperature of exhaust fume of gas turbine 4 about 500 DEG C, flue gas 13 directly enters exhaust heat boiler 6, heat exchange is carried out with the carbonated drink medium in exhaust heat boiler 6, produce steam 14, and steam 14 is delivered to steam turbine 7, the thermal power transfer in steam 14 is that mechanical energy drives generator set 5 work done to produce electricity 17 by steam turbine 7.Exhaust steam after work done enters in low-temperature multi-effect vaporizer 9 carries out distillation acquisition condensed water 16, demineralized water 20, brine 21, and last condensed water 16 is transported to exhaust heat boiler 6, as exhaust heat boiler 6 supplementing water.Low-temperature multi-effect vaporizer 9 inside is cut off into several part, is called " effect ".First exhaust steam enters in the first effect, self heat is passed to seawater make-up water by exhaust steam, and a part of seawater make-up water evaporation is obtained second time steam, exhaust steam self-heat generation forms condensed water 16, condensed water 16 is sent back to by condensate pump in the low-pressure coal saver of exhaust heat boiler 6 after treatment again, as exhaust heat boiler 6 supplementing water, realize recycling of the energy.The second time steam produced enters the second effect, all repeats this process, to the last an effect between each effect afterwards.Distilled water condenser is built in low-temperature multi-effect vaporizer, the steam that last effect produces cooled water condensation in distilled water condenser obtains demineralized water 20, the demineralized water 20 produced finally is transported to demineralized water storage tank, for each master operation that iron and steel is produced, complete the production procedure of a demineralized water 20.
A kind of hot water cogeneration system beneficial effect provided by the invention is specific as follows:
1. first this integrated technology is a kind of resource circulation utilization, comprehensive utilization of energy pattern, is then a kind of industry profit model.
2. compared with conventional gas boiler, the present invention adopts exhaust heat boiler, cycle time between electric cleaner, gas compression pump, cooler can be reduced when mixed gas calorific value regulates by coal gas technology of directly igniting, realize CCPP generator set rapid starting/stopping, strengthen unit load performance.
3.CCPP unit adopts twin shaft to arrange, when steam turbine fault, the sustainable generating of gas turbine, and the high and low pressure steam that exhaust heat boiler produces enters low-temperature multi-effect seawater desalination device respectively by after high and low pressure bypass reducing-and-cooling plant, can realize low-temperature multi-effect seawater desalination device continuous seepage.
The exhaust steam produced in 4.CCPP generator set meets low-temperature multi-effect seawater desalination device power heat source needs, can be directly used in production demineralized water, realizes the cascade utilization of the energy.
5. the steam condensate that low-temperature multi-effect sea water evaporator produces sends back in the low-pressure coal saver of exhaust heat boiler by condensate pump, both utilizes condensation water residual heat, and realizes again recycling of the energy.
6. gas turbine power generation can utilize Iron And Steel Plant's surplus gas, and can utilize cheap natural gas resource, both make use of the acting ability generating of flue gas, make use of again the acting ability generating of steam, improves conversion efficiency of thermoelectric, reduce cost of electricity-generating.
It should be noted last that, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a hot water cogeneration system, is characterized in that, comprising:
One gas turbine subtense angle, described gas turbine subtense angle is connected with generator set, high-temperature flue gas is produced for mixed gas being carried out burning, and by the thermal power transfer in described high-temperature flue gas for generator set described in mechanical energy rear driving generates electricity, being connected with exhaust heat boiler of described gas turbine subtense angle, the flue gas produced for mixed gas being carried out burning inputs described exhaust heat boiler and obtains steam;
One exhaust heat boiler, described exhaust heat boiler is connected with steam turbine, for by described steam Transportation to described steam turbine, described exhaust heat boiler is connected with low-temperature multi-effect vaporizer, for by described steam Transportation extremely described low-temperature multi-effect vaporizer;
One steam turbine, described steam turbine is connected with described generator set, for by the thermal power transfer in described steam for generator set described in mechanical energy rear driving generates electricity, described steam turbine is connected with described low-temperature multi-effect vaporizer, and the exhaust steam produced during for being mechanical energy by described steam turbine by the thermal power transfer in described steam transfers to described low-temperature multi-effect vaporizer;
One low-temperature multi-effect vaporizer, obtain condensed water, demineralized water and brine for described steam and described exhaust steam being carried out distillation, described condensed water is delivered to described exhaust heat boiler after treatment and recycles.
2. hot water cogeneration system as claimed in claim 1, it is characterized in that, described gas turbine subtense angle comprises:
One gas compression pump, described gas compression pump is connected with firing chamber, after being compressed by mixed gas, be delivered to described firing chamber;
One air compressor, described air compressor is connected with firing chamber, for being delivered to described firing chamber after air compressing;
One firing chamber, for by compression after mixed gas and air burn after produce high-temperature flue gas be delivered to gas turbine;
One gas turbine, described gas turbine is connected with described generator set, for being mechanical energy by the thermal power transfer in described high-temperature flue gas, and described mechanical energy is delivered to described generator set, described gas turbine is connected with described exhaust heat boiler, and the flue gas for being exported by described gas turbine is directly delivered to described exhaust heat boiler and carries out heat exchange generation steam.
3. hot water cogeneration system as claimed in claim 2, is characterized in that:
Described gas compression pump outlet conduit comprises main road pipeline and bypass duct, and coal gas is directly delivered to described gas turbine by described main road pipeline and burns by described gas compression pump.
4. hot water cogeneration system as claimed in claim 3, is characterized in that, also comprise:
One modulating valve, described modulating valve is arranged on described bypass duct, for when combustion engine load changes or starts adjustment, regulates described modulating valve, and unnecessary coal gas is delivered to described coal gas reflux cooler by bypass duct;
One reflux cooler, described coal gas reflux cooler is arranged on described bypass duct, recycles for sending back in described gas compression pump after unnecessary coal gas is carried out pressure and temperature reducing.
5. hot water cogeneration system as claimed in claim 4, is characterized in that, also comprise:
One first order moisture trap, described first order moisture trap is arranged on described bypass duct, and between described coal gas reflux cooler and described gas compression pump, after described first order moisture trap is used for that the unnecessary coal gas after described coal gas reflux cooler pressure and temperature reducing is carried out air-water separation, the more unnecessary coal gas after being separated is delivered in described gas compression pump and recycles.
6. hot water cogeneration system as claimed in claim 1, is characterized in that, also comprise:
One high pressure turbine by reducing-and-cooling plant, described high pressure turbine by reducing-and-cooling plant is arranged between described exhaust heat boiler and described low-temperature multi-effect vaporizer, and described high pressure turbine by reducing-and-cooling plant is used for being delivered to described low-temperature multi-effect vaporizer by after the high pressure steam pressure and temperature reducing produced in described exhaust heat boiler;
One low voltage bypass reducing-and-cooling plant, described low voltage bypass reducing-and-cooling plant is arranged between described exhaust heat boiler and described low-temperature multi-effect vaporizer, and described low voltage bypass reducing-and-cooling plant is used for being delivered to described low-temperature multi-effect vaporizer by after the low pressure steam pressure and temperature reducing produced in described exhaust heat boiler.
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| CN201510705570.5A CN105275616A (en) | 2015-10-27 | 2015-10-27 | Combined heat, water and power generation system |
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| CN201510705570.5A CN105275616A (en) | 2015-10-27 | 2015-10-27 | Combined heat, water and power generation system |
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| CN105909568A (en) * | 2016-05-16 | 2016-08-31 | 长沙湘资生物科技有限公司 | High and intermediate pressure industrial steam supply system of hot press unit and adjustment method |
| CN107191907A (en) * | 2017-07-25 | 2017-09-22 | 刘绍允 | Increase production gas turbine electricity/steam co-producing system of steam using smoke discharging residual heat |
| CN107401457A (en) * | 2016-05-18 | 2017-11-28 | 北京亿玮坤节能科技有限公司 | It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air |
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| CN111908542A (en) * | 2019-05-10 | 2020-11-10 | 赫普能源环境科技有限公司 | Seawater desalination system and method utilizing waste heat of gas turbine |
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| CN107401457A (en) * | 2016-05-18 | 2017-11-28 | 北京亿玮坤节能科技有限公司 | It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air |
| CN107191907A (en) * | 2017-07-25 | 2017-09-22 | 刘绍允 | Increase production gas turbine electricity/steam co-producing system of steam using smoke discharging residual heat |
| CN108751230A (en) * | 2018-05-30 | 2018-11-06 | 新奥泛能网络科技有限公司 | Distributed energy resource system based on vacuum process and its control method |
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