CN106968733A - Power plant's superhigh-pressure high-temp reheating embrittlement - Google Patents
Power plant's superhigh-pressure high-temp reheating embrittlement Download PDFInfo
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- CN106968733A CN106968733A CN201710287306.3A CN201710287306A CN106968733A CN 106968733 A CN106968733 A CN 106968733A CN 201710287306 A CN201710287306 A CN 201710287306A CN 106968733 A CN106968733 A CN 106968733A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/38—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating the engines being of turbine type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
- F01K17/025—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic in combination with at least one gas turbine, e.g. a combustion gas turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of power plant's superhigh-pressure high-temp reheating embrittlement of the present invention, it includes pressure condensing turbine in boiler, deduster, air-introduced machine, chimney, pressure fan, superhigh-pressure high-temp back pressure turbine, high temperature, one-level high-pressure heater, two grades of high-pressure heaters, one-level low-temperature heater, two grade low-temp heaters, three-level low-temperature heater, oxygen-eliminating device, condenser, condensation pump, feed pumps.Power plant's superhigh-pressure high-temp reheating embrittlement of the present invention has rational in infrastructure, the advantage of energy-saving and emission-reduction.
Description
Technical field
The present invention relates to a kind of power plant's superhigh-pressure high-temp reheating embrittlement.
Background technology
First, reduce energy waste and implement national energy-saving emission reduction industrial policy；
Since 2014, country has issued a series of severe energy-saving and emission-reduction policies：
a）《State Council notifies on printing and distributing prevention and control of air pollution action plan》（Promulgated by the State Council (2013) 37）It is required that " improving the energy makes
Use efficiency.Strictly implement Evaluation on Energy Saving censorship.Newly-built highly energy-consuming Project Unit product（The output value）Energy consumption will reach domestic first
Enter level, one-level Energy Efficiency Standard is reached with energy equipment.”
b）《Coal electricity energy-saving and emission-reduction upgrading and transformation action plan（2014-2020）》（Hair changes the energy [2014] 2093）, it is right
Energy-saving and emission-reduction propose strict demand, include the entry criteria and Air Pollutant Emission of keeping under strict control of generating standard coal consumption.Propose product
Pole Cogeneration, builds efficient fuel coal thermoelectricity unit, and the scattered coal-fired arcola in the range of central heating is implemented to substitute
Eliminated with time limit.
In face of the significant wastage of Power Plant Fuel, to implement national energy-saving emission reduction industrial policy, carrying out energy saving technical reconstruction is
It is completely necessary.
2nd, policy basis；
a）National Development and Reform Committee is on printing and distributing《Recycling economy promotes plan within 2015》Notice（Hair changes ring money【2015】No. 769
On April 14th, 2015）It is required that " promoting Biomass Energy Development.Formulate《Promote the instruction of biomass energy heat supply development》", "
Major grain producing area advance to perfect order biomass cogeneration of heat and power, encourages to generate electricity to standard biologic matter and carries out cogeneration of heat and power transformation ".
b）On December 9th, 2014, general office of National Development and Reform Commission prints and distributes《On strengthening and specification biomass power generation
Notice of the mesh management about requirement》（Hair corrects the energy [2014] 3003）, propose, " encourage Developing Biomass cogeneration of heat and power, carry
High biomass resource utilization efficiency.Possess the newly-built biomass power generation project of technical and economic feasibility condition, thermoelectricity connection should be carried out
Production；Encourage the biomass power generation project for being completed operation according to heating power market and technical and economic feasibility condition, carry out thermoelectricity connection
Production transformation.", " specification item is managed.The non-heating project of agricultural-forestry biomass generating is checked and approved by provincial government；Agricultural-forestry biomass thermoelectricity
Coproduction project, application of city life garbage burning electricity generation project is checked and approved by local government.”
c）Issue on December 30th, 2015《State key energy-saving low-carbon Technique Popularizing catalogue（Sheet in 2015, economized portion）》
（National Development and Reform Committee announce 2015 No. 35）, Gangue Power Plant Heat Supplying with Low Vacuum technology is promoted, by the normal condensing of steam turbine generator
Temperature is improved to 80 DEG C by 40 DEG C, by heat exchange type into 55-60 DEG C of recirculated water, so as to realize Heat Supplying with Low Vacuum.
d）On March 22nd, 2016, National Development and Reform Commission, Bureau of Energy, the Ministry of Finance, live to build portion, Chinese Ministry of Environmental Protection and combine and print and distribute
On printing and distributing《Cogeneration of heat and power management method》Notice（Hair changes the energy [2016] 617）, " heat supply transformation will be because of factory according to notice
Suiting measures to different conditions is using the ripe applicable technology such as punching pumping, Heat Supplying with Low Vacuum, recirculated water She's heat utilization " and " encourage regenerative resource to supply
Hot mode.”.
3rd, the purpose of Project-developing, meaning；
Former commercioganic Power Plant Fuel Consumption is big, not only causes the significant wastage of the energy, the exacerbation of environmental pollution, and
Increase the operating cost of power plant.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of rational in infrastructure, power plant's high temperature superelevation of energy-saving and emission-reduction
Press reheating embrittlement.
The object of the present invention is achieved like this：
A kind of power plant's superhigh-pressure high-temp reheating embrittlement, it includes boiler, piece boiler main steam line of Base top contact of boiler, pot
Stove main steam line connects a superhigh-pressure high-temp back pressure turbine, and superhigh-pressure high-temp back pressure turbine passes through one No. one
Electrical power generators, and outwards powered by bus power transmission a to transformer；Also draw a boiler reheating in the top of boiler
Jet chimney, boiler reheaing steam pipe, which connects to press in a high temperature, presses condensing turbine warp in condensing turbine, high temperature
No. two electrical power generators are crossed, and are outwards powered by bus power transmission to No. two transformers；Superhigh-pressure high-temp back pressure type vapour
Back pressure turbine blow-off line is connected on turbine, back pressure turbine blow-off line separates two back pressure turbine steam discharge branch
Road, wherein first back pressure turbine steam discharge branch road is back to boiler, Article 2 back pressure turbine steam discharge branch road connection one-level
Back pressure turbine extraction line is connected on high-pressure heater, superhigh-pressure high-temp back pressure turbine, back pressure turbine draws gas
Pipeline connects two grades of high-pressure heaters；Pressed in high temperature on condensing turbine and connect four condensing turbine pipelines, wherein the
One, second and the 3rd condensing turbine pipeline is respectively connecting to one-level low-temperature heater, two grade low-temp heaters
With three-level low-temperature heater, deoxygenation is heated the inhalant region that steam is connected to oxygen-eliminating device by the 4th condensing turbine pipeline, high
Middle benefit gas pressure condensing turbine also connects a pipeline to condenser, and the pipeline that the exhalant region of condenser is drawn sequentially passes through condensation
Condensate is delivered to the water inlet of oxygen-eliminating device after pump, one-level low-temperature heater, two grade low-temp heaters and three-level low-temperature heater
Area, the boiler main feed line that the delivery port of oxygen-eliminating device is drawn sequentially passes through feed pump, one-level high-pressure heater and two grades of high pressures
Boiler main is fed water after heater and is delivered to the water inlet of boiler.
Cooling tower is connected to the water inlet of condenser by circulating water inlet, and the water return outlet of condenser is returned by recirculated water
Water pipe connects back to cooling tower, the moisturizing pipeline connection cooling tower from plant area, and power generation cycle pump is provided with circulating water inlet,
It is connected to from heating cycle backwater on circulating water inlet, a piece pipeline of extraction sequentially passes through heat supply and followed on recirculated water return pipe
Heat recirculated water is provided heat to user by ring pump and heater.
Fuel transport car delivers to fuel on fuel conveyer belt, and fuel conveyer belt delivers fuel to as-fired fuel storehouse, stove
Fuel in preceding Bunker is delivered to the fuel feed inlet of boiler by fuel conveyer.
Demineralized water moisturizing is delivered to oxygen-eliminating device by raw water after the processing of the one-level EDI water treatment systems of two-pass reverse osmosis ten
Inhalant region.
The hydrophobic water inlet for being delivered to oxygen-eliminating device from two grades of high-pressure heaters and one-level high-pressure heater successively of high temperature heater (HTH)
Area.
Low-temperature heater is hydrophobic to be conveyed from three-level low-temperature heater, two grade low-temp heaters and one-level low-temperature heater successively
To the exhalant region of condenser.
Pressure in boiler main steam line is that the temperature in 13.7MPa, boiler main steam line is 540 DEG C.
Pressure in boiler reheaing steam pipe is that the temperature in 2.25MPa, boiler reheaing steam pipe is 540 DEG C.
The pressure of back pressure turbine blow-off line is 2.5MPa, and the temperature of boiler main back pressure turbine blow-off line is
325℃。
Pressure in boiler main feed line is that the temperature in 18MPa, boiler main feed line is 241 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
First, project main contents
a）Using the superhigh-pressure high-temp gas fired-boiler of advanced technology and a resuperheat Turbo-generator Set, heat is improved as far as possible
Can utilization rate.Proceed from the reality, effort is saved the area, using water wisely, saved material, reduction cost, shortened the duration, is improved automatic
Change level, it is ensured that power plant safety, economy and stable operation；
b）Water drainage-supply system：Using the circulating water supply system of gravity-flow ventilation double-curve cooling column, the recycling rate of waterused of water is improved.
c）Heat control system：It is practical using reliable, advanced control system, with operation, control necessary to meeting power plant process
System and function for monitoring.The control system uses Distributed Control System（DCS）To boiler, steam turbine generator, deaerated feedwater, change waterwheel
Between, the process facility such as recirculated water carry out winer construction and control.
d）Conscientiously carry out country's energy-saving and environmental protection relevant with place, production safety, industrial hygiene, fire-fighting and occupational disease
Decree, the rule and standard specification of preventing and treating.
2nd, key technology
a）Biomass thermoelectricity industry application is seldom at home for the technology, and mainly using biomass material, thermal efficiency relatively-high temperature is high
Press group improves about 20%.
b）Main frame is domestic at present：Steam turbine, which manufactures and designs eastern vapour, achievement, and System Configuration Technique is ripe.
c）It is low to biomass calorific value surge requirements, it can fluctuate within the specific limits.
d）Unit operation maintenance cost is relatively low.
e）Due to increase one-level resuperheat system, unit need to use unit style.
3rd, in place of technological innovation
a）Combustion turbine power density is big, small volume, and weight is relatively light and power is big.
b）Thermal power high conversion efficiency, energy-saving synergy, the conventional steam single cycle TRT than same capacity generates electricity
Efficiency is higher by about 13%~15%.
c）The difference maximum with HTHP unit of superhigh-pressure high-temp reheating embrittlement makes complete with increasing one-level resuperheat
Factory's efficiency improves 6%, and boiler body increase reheater, steam turbine increase is drawn gas and steam ports, and bypath system is increased in system.
d）The popularization of the project greatly improves heat utilization rate, and not only economic benefit is obvious, also to the energy-conservation of country
The renewable sources of energy, which are promoted, very important meaning.
Therefore power plant's superhigh-pressure high-temp reheating embrittlement of the present invention has rational in infrastructure, the advantage of energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein：
Boiler 1, fuel transport car 2, fuel conveyer belt 3, as-fired fuel storehouse 4, fuel conveyer 5, deduster 6, air-introduced machine 7, cigarette
Solidifying gas formula is pressed in chimney 8, pressure fan 9, superhigh-pressure high-temp back pressure turbine 10, generator 11, transformer 12, a high temperature
Steam turbine 13, No. two generators 14, No. two transformers 15, one-level high-pressure heater 16, two grades of high-pressure heaters 17, grade low-temps
Heater 18, two grade low-temp heaters 19, three-level low-temperature heater 20, oxygen-eliminating device 21, condenser 22, condense pump 23, two grades it is anti-
Permeate ten one-level EDI water treatment systems 24, feed pump 25, power generation cycle pump 26, heat circulation pump 27, heater 28, cooling tower
29。
Embodiment
Referring to Fig. 1, a kind of power plant's superhigh-pressure high-temp reheating embrittlement of the present invention, it includes boiler 1, fuel transport car
2 deliver to fuel on fuel conveyer belt 3, the combustion that fuel conveyer belt 3 is delivered fuel in as-fired fuel storehouse 4, as-fired fuel storehouse 4
Material is delivered to the fuel feed inlet of boiler 1 by fuel conveyer 5, and the flue that the fume emission mouthful of boiler 1 is drawn is sequentially passed through
Chimney 8 is connected after deduster 6 and air-introduced machine 7, the bottom of boiler 1 is also connected with a pressure fan 9, piece pot of Base top contact of boiler 1
Pressure in stove main steam line, boiler main steam line is that the temperature in 13.7MPa, boiler main steam line is 540 DEG C, pot
Stove main steam line connects a superhigh-pressure high-temp back pressure turbine 10, and superhigh-pressure high-temp back pressure turbine 10 passes through one
A 15MW generator 11 generates electricity, and outwards supplies 66KV by 6.3KV bus power transmission to a 20MVA transformer 12
Electricity；The pressure that the top of boiler 1 also draws in a boiler reheaing steam pipe, boiler reheaing steam pipe is 2.25MPa,
Temperature in boiler reheaing steam pipe is 540 DEG C, and boiler reheaing steam pipe connects in a high temperature and presses condensing turbine
13, pressure condensing turbine 13 generates electricity by a 34MW No. two generators 14 in high temperature, and is sent by 6.3KV bus
Electricity to 40MVA No. two transformers 15 outwards supply 66KV electricity；Back pressure type vapour is connected on superhigh-pressure high-temp back pressure turbine 10
Turbine discharge pipeline, the pressure of back pressure turbine blow-off line is 2.5MPa, boiler main back pressure turbine blow-off line
Temperature is 325 DEG C, and back pressure turbine blow-off line separates two back pressure turbine steam discharge branch roads, wherein first back pressure type
Turbine discharge branch road is back to boiler 1, and Article 2 back pressure turbine steam discharge branch road connects one-level high-pressure heater 16, and high temperature surpasses
Back pressure turbine extraction line is connected on high pressure back pressure turbine 10, back pressure turbine extraction line connects two grades of high pressures
Heater 17；In high temperature press condensing turbine 13 on connect four condensing turbine pipelines, wherein first, second with
And the 3rd condensing turbine pipeline is respectively connecting to one-level low-temperature heater 18, two grade low-temp heaters 19 and three grade low-temps
Deoxygenation is heated and pressed in the inhalant region that steam is connected to oxygen-eliminating device 21, high temperature by heater 20, the 4th condensing turbine pipeline
Condensing turbine 13 also connects a pipeline to condenser 22, low-temperature heater it is hydrophobic successively from three-level low-temperature heater 20,
Two grade low-temp heaters 19 and one-level low-temperature heater 18 are delivered to the exhalant region of condenser 22, and the exhalant region of condenser 22 is drawn
Pipeline sequentially pass through after condensation pump 23, one-level low-temperature heater 18, two grade low-temp heaters 19 and three-level low-temperature heater 20
Condensate is delivered to the inhalant region of oxygen-eliminating device 21, raw water is after the processing of the one-level EDI water treatment systems 24 of two-pass reverse osmosis ten
Demineralized water moisturizing is delivered to the inhalant region of oxygen-eliminating device 21, high temperature heater (HTH) is hydrophobic successively from two grades of high-pressure heaters 17 and one-level
High-pressure heater 16 is delivered to the inhalant region of oxygen-eliminating device 21, and the boiler main feed line that the delivery port of oxygen-eliminating device 21 is drawn is passed through successively
Cross that boiler main feeds water after feed pump 25, one-level high-pressure heater 16 and two grades of high-pressure heaters 17 and be delivered to the water inlet of boiler 1
Mouthful, the pressure in boiler main feed line is that the temperature in 18MPa, boiler main feed line is 241 DEG C；Cooling tower 29 is by following
Ring water water inlet pipe is connected to the water inlet of condenser 22, and the water return outlet of condenser 22 connects back to cooling tower by recirculated water return pipe
29, the moisturizing pipeline from plant area connects and is provided with power generation cycle pump 26 on cooling tower 29, circulating water inlet, is followed from heat supply
Loopback water is connected on circulating water inlet, and a pipeline is drawn on recirculated water return pipe and sequentially passes through heat circulation pump 27 and adds
Heat recirculated water is provided heat to user by hot device 28.
Claims (10)
1. a kind of power plant's superhigh-pressure high-temp reheating embrittlement, it includes boiler（1）, it is characterised in that boiler（1）Base top contact one
Root boiler main steam line, boiler main steam line connects a superhigh-pressure high-temp back pressure turbine（10）, superhigh-pressure high-temp
Back pressure turbine（10）By a generator（11）Generate electricity, and pass through bus power transmission a to transformer（12）To
Outer power supply；Boiler（1）Top also draw a boiler reheaing steam pipe, boiler reheaing steam pipe is connected in a high temperature
Press condensing turbine（13）, condensing turbine is pressed in high temperature（13）By No. two generators（14）Generate electricity, and lead to
Bus power transmission is crossed to No. two transformers（15）Outwards power supply；Superhigh-pressure high-temp back pressure turbine（10）On connect back pressure type steam turbine
Machine blow-off line, back pressure turbine blow-off line separates two back pressure turbine steam discharge branch roads, wherein first back pressure type
Turbine discharge branch road is back to boiler（1）, Article 2 back pressure turbine steam discharge branch road connection one-level high-pressure heater（16）, it is high
Warm super-pressure back pressure turbine（10）On connect back pressure turbine extraction line, back pressure turbine extraction line connection two
Level high-pressure heater（17）；Condensing turbine is pressed in high temperature（13）On connect four condensing turbine pipelines, wherein first
Root, second and the 3rd condensing turbine pipeline are respectively connecting to one-level low-temperature heater（18）, two grade low-temps heating
Device（19）With three-level low-temperature heater（20）, the 4th condensing turbine pipeline by deoxygenation heating steam be connected to oxygen-eliminating device
（21）Inhalant region, press condensing turbine in high temperature（13）A pipeline is also connected to condenser（22）, condenser（22）'s
The pipeline that exhalant region is drawn sequentially passes through condensation pump（23）, one-level low-temperature heater（18）, two grade low-temp heaters（19）With three
Grade low-temp heater（20）Condensate is delivered to oxygen-eliminating device afterwards（21）Inhalant region, oxygen-eliminating device（21）Delivery port draw pot
Stove main feed line sequentially passes through feed pump（25）, one-level high-pressure heater（16）With two grades of high-pressure heaters（17）Afterwards by boiler
Main feedwater is delivered to boiler（1）Water inlet.
2. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that cooling tower（29）Pass through
Circulating water inlet is connected to condenser（22）Water inlet, condenser（22）Water return outlet connected back to by recirculated water return pipe
Cooling tower（29）, the moisturizing pipeline connection cooling tower from plant area（29）, power generation cycle pump is provided with circulating water inlet
（26）, it is connected to from heating cycle backwater on circulating water inlet, a pipeline is drawn on recirculated water return pipe and is sequentially passed through
Heat circulation pump（27）And heater（28）Heat recirculated water is provided heat into user.
3. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that fuel transport car（2）Will
Fuel delivers to fuel conveyer belt（3）On, fuel conveyer belt（3）Deliver fuel to as-fired fuel storehouse（4）, as-fired fuel storehouse（4）
Interior fuel passes through fuel conveyer（5）It is delivered to boiler（1）Fuel feed inlet.
4. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that raw water is anti-by two grades
Permeate ten one-level EDI water treatment systems（24）Demineralized water moisturizing is delivered to oxygen-eliminating device after processing（21）Inhalant region.
5. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that high temperature heater (HTH) is hydrophobic
Successively from two grades of high-pressure heaters（17）With one-level high-pressure heater（16）It is delivered to oxygen-eliminating device（21）Inhalant region.
6. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that low-temperature heater is hydrophobic
Successively from three-level low-temperature heater（20）, two grade low-temp heaters（19）With one-level low-temperature heater（18）It is delivered to condenser
（22）Exhalant region.
7. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that boiler main steam line
Interior pressure is that the temperature in 13.7MPa, boiler main steam line is 540 DEG C.
8. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that boiler reheated steam pipe
Pressure in road is that the temperature in 2.25MPa, boiler reheaing steam pipe is 540 DEG C.
9. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that back pressure turbine is arranged
The pressure in steam pipe road is 2.5MPa, and the temperature of boiler main back pressure turbine blow-off line is 325 DEG C.
10. a kind of power plant's superhigh-pressure high-temp reheating embrittlement according to claim 1, it is characterised in that boiler main feed line
Interior pressure is that the temperature in 18MPa, boiler main feed line is 241 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965756A (en) * | 2017-12-28 | 2018-04-27 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for saturated vapor heating reheated steam in pot |
| CN107989664A (en) * | 2017-12-28 | 2018-05-04 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for burning power plant flue gas reheater |
| CN108194154A (en) * | 2017-12-28 | 2018-06-22 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for burning wind are heated in garbage power plant steam exhaust |
| CN112833378A (en) * | 2020-12-28 | 2021-05-25 | 东方电气集团东方汽轮机有限公司 | Reheating system capable of improving heat supply capacity |
| CN113187568A (en) * | 2021-05-28 | 2021-07-30 | 西安热工研究院有限公司 | System and method for reversely improving power supply and heat supply capacity of high-backpressure heat supply unit |
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| CN108194154A (en) * | 2017-12-28 | 2018-06-22 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for burning wind are heated in garbage power plant steam exhaust |
| CN112833378A (en) * | 2020-12-28 | 2021-05-25 | 东方电气集团东方汽轮机有限公司 | Reheating system capable of improving heat supply capacity |
| CN113187568A (en) * | 2021-05-28 | 2021-07-30 | 西安热工研究院有限公司 | System and method for reversely improving power supply and heat supply capacity of high-backpressure heat supply unit |
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