CN206769967U - 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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- CN206769967U CN206769967U CN201720455744.1U CN201720455744U CN206769967U CN 206769967 U CN206769967 U CN 206769967U CN 201720455744 U CN201720455744 U CN 201720455744U CN 206769967 U CN206769967 U CN 206769967U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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]
Abstract
A kind of power plant's superhigh-pressure high-temp reheating embrittlement that the utility model is related to, it includes pressing condensing turbine, one-level high-pressure heater, two level high-pressure heater, one-level low-temperature heater, two level low-temperature heater, three-level low-temperature heater, oxygen-eliminating device, condenser, condensation pump, feed pump in boiler, deduster, air-introduced machine, chimney, pressure fan, superhigh-pressure high-temp back pressure turbine, high temperature.The utility model power plant superhigh-pressure high-temp reheating embrittlement has the advantages of rational in infrastructure, energy-saving and emission-reduction.
Description
Technical field
It the utility model is related 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 is on printing and distributing prevention and control of air pollution action plan notice》（Promulgated by the State Council (2013) 37）It is required that " improve energy
Source service efficiency.Strictly implement Evaluation on Energy Saving censorship.Newly-built highly energy-consuming Project Unit product（The output value）Energy consumption will reach state
Interior advanced level, reach one-level Energy Efficiency Standard with energy equipment.”
b）《The energy-saving and emission-reduction of coal electricity upgrade and transformation action plan（2014-2020）》（Hair changes the energy [2014] 2093
Number）, energy-saving and emission-reduction are proposed with strict demand, including the entry criteria of generating standard coal consumption and Air Pollutant Emission of keeping under strict control.
Positive Cogeneration is proposed, builds efficient fuel coal thermoelectricity unit, it is real to the scattered coal-fired arcola in the range of central heating
Apply replacement and time limit is eliminated.
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】769
Number on April 14th, 2015）It is required that " promote Biomass Energy Development.Formulate《Promote the instruction of biomass energy heat supply development》",
" in major grain producing area advance to perfect order biomass cogeneration of heat and power, encourage to generate electricity to standard biologic matter and carry 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 item
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；The biomass power generation project for encouraging to be completed operation carries out thermoelectricity connection according to heating power market and technical and economic feasibility condition
Production transformation.", " specification item management.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 are checked and approved by local government.”
c）Issue on December 30th, 2015《State key energy-saving low-carbon Technique Popularizing catalogue（Sheet in 2015, energy-conservation portion
Point）》（National Development and Reform Committee announce 2015 No. 35）, Gangue Power Plant Heat Supplying with Low Vacuum technology is promoted, steam turbine generator is normal
Condensing 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 combines and printed and distributed
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 ripe applicable technologies such as punching pumping, Heat Supplying with Low Vacuum, recirculated water She's heat utilizations " 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
A kind of the purpose of this utility model is to overcome above-mentioned deficiency, there is provided rational in infrastructure, power plant's high temperature of energy-saving and emission-reduction
Super-pressure reheating embrittlement.
What the purpose of this utility model was realized in：
A kind of power plant's superhigh-pressure high-temp reheating embrittlement, it includes boiler, piece boiler main steam pipe of Base top contact of boiler
Road, boiler main steam line connect a superhigh-pressure high-temp back pressure turbine, and superhigh-pressure high-temp back pressure turbine passes through one
Individual No.1 electrical power generators, and outwards powered by bus power transmission to No.1 transformer；Also draw a pot in the top of boiler
Stove reheaing steam pipe, boiler reheaing steam pipe are connected in a high temperature and press condensing turbine, and extrqaction condendsing turbine is pressed in high temperature
Turbine passes through No. two electrical power generators, and is outwards powered by bus power transmission to No. two transformers；Superhigh-pressure high-temp is carried on the back
Back pressure turbine blow-off line is connected on pressure type steam turbine, back pressure turbine blow-off line separates two back pressure turbines
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 connects
One-level high-pressure heater is connect, back pressure turbine extraction line, back pressure type steam turbine are connected on superhigh-pressure high-temp back pressure turbine
Machine extraction line connects two level high-pressure heater；Pressed in high temperature on condensing turbine and connect four condensing turbine pipelines,
Wherein first, second and the 3rd condensing turbine pipeline is respectively connecting to one-level low-temperature heater, two grade low-temps
Deoxygenation heating steam is connected to the water inlet of oxygen-eliminating device by heater and three-level low-temperature heater, the 4th condensing turbine pipeline
Area, pressure condensing turbine also connects a pipeline to condenser in high temperature, and the pipeline that the exhalant region of condenser is drawn passes through successively
Cross after condensation pump, one-level low-temperature heater, two level low-temperature heater and three-level low-temperature heater and condensate is delivered to oxygen-eliminating device
Inhalant region, the boiler main feed line that the delivery port of oxygen-eliminating device is drawn is successively by feed pump, one-level high-pressure heater and two
Boiler main feedwater is delivered to the water inlet of boiler after level high-pressure heater.
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 pipeline is drawn on recirculated water return pipe and is followed successively by heat supply
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 level high-pressure heater 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 level low-temperature heater and one-level low-temperature heater successively
To the exhalant region of condenser.
Pressure in boiler main steam line is 13.7MPa, and the temperature in boiler main steam line is 540 DEG C.
Pressure in boiler reheaing steam pipe is 2.25MPa, and the temperature in 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 18MPa, and the temperature in boiler main feed line is 241 DEG C.
Compared with prior art, the beneficial effects of the utility model are：
First, project main contents
a）Using the superhigh-pressure high-temp gas fired-boiler of advanced technology and a resuperheat Turbo-generator Set, carry as far as possible
High heat utilization rate.Proceed from the reality, effort save the area, using water wisely, save material, reduce cost, shorten the duration, improve
Automatization level, ensure 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 of water is improved
Rate.
c）Heat control system：Using reliable, practical, advanced control system, to meet to run necessary to power plant process, control
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 relevant with place energy-saving and environmental protection, 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, mainly relatively high using biomass material, the thermal efficiency
Warm high pressure unit improves about 20%.
b）Main frame is domestic at present：Steam turbine, which manufactures and designs eastern vapour, achievement, System Configuration Technique maturation.
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 increasing 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 generate 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, increases bypath system 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 the utility model power plant superhigh-pressure high-temp reheating embrittlement has the advantages of rational in infrastructure, energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：
Boiler 1, fuel transport car 2, fuel conveyer belt 3, as-fired fuel storehouse 4, fuel conveyer 5, deduster 6, air-introduced machine
7th, pressed in chimney 8, pressure fan 9, superhigh-pressure high-temp back pressure turbine 10, No.1 generator 11, No.1 transformer 12, high temperature solidifying
Gas formula steam turbine 13, two generator 14, two transformer 15, one-level high-pressure heater 16, two level high-pressure heater 17, one-level
Low-temperature heater 18, two level low-temperature heater 19, three-level low-temperature heater 20, oxygen-eliminating device 21, condenser 22, condensation pump 23, two
It is level counter-infiltration ten one-level EDI water treatment systems 24, feed pump 25, power generation cycle pump 26, heat circulation pump 27, heater 28, cold
But tower 29.
Embodiment
Referring to Fig. 1, a kind of power plant's superhigh-pressure high-temp reheating embrittlement that the utility model is related to, it includes boiler 1, fuel fortune
Defeated car 2 delivers to fuel on fuel conveyer belt 3, and fuel conveyer belt 3 delivers fuel to as-fired fuel storehouse 4, in as-fired fuel storehouse 4
Fuel be delivered to the fuel feed inlet of boiler 1 by fuel conveyer 5, the flue that the fume emission mouth of boiler 1 is drawn is successively
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, the Base top contact one of boiler 1
Root boiler main steam line, the pressure in boiler main steam line are 13.7MPa, and the temperature in boiler main steam line is 540
DEG C, boiler main steam line connects a superhigh-pressure high-temp back pressure turbine 10, and superhigh-pressure high-temp back pressure turbine 10 passes through
The No.1 generator 11 for crossing a 15MW generates electricity, and outside to 20MVA No.1 transformer 12 by 6.3KV bus power transmission
For 66KV electricity；A boiler reheaing steam pipe is also drawn at the top of boiler 1, and the pressure in boiler reheaing steam pipe is
2.25MPa, the temperature in boiler reheaing steam pipe are 540 DEG C, and boiler reheaing steam pipe, which connects, presses solidifying gas in a high temperature
Formula steam turbine 13, press condensing turbine 13 to be generated electricity by a 34MW No. two generators 14 in high temperature, and pass through 6.3KV
Bus power transmission to 40MVA No. two transformers 15 outwards supply 66KV electricity；Connected on superhigh-pressure high-temp back pressure turbine 10
Back pressure turbine blow-off line, the pressure of back pressure turbine blow-off line is 2.5MPa, and boiler main back pressure turbine is arranged
The temperature in steam pipe road is 325 DEG C, and back pressure turbine blow-off line separates two back pressure turbine steam discharge branch roads, wherein first
Bar back pressure turbine steam discharge branch road is back to boiler 1, Article 2 back pressure turbine steam discharge branch road connection one-level high-pressure heater
16, back pressure turbine extraction line is connected on superhigh-pressure high-temp back pressure turbine 10, back pressure turbine extraction line connects
Connect two level high-pressure heater 17；Pressed in high temperature on condensing turbine 13 and 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 level low-temperature heater
19 and three-level low-temperature heater 20, deoxygenation heating steam is connected to the water inlet of oxygen-eliminating device 21 by the 4th condensing turbine pipeline
Area, it is hydrophobic low from three-level successively to condenser 22, low-temperature heater also to connect a pipeline for pressure condensing turbine 13 in high temperature
Warm heater 20, two level low-temperature heater 19 and one-level low-temperature heater 18 are delivered to the exhalant region of condenser 22, condenser 22
The pipeline drawn of exhalant region it is low with three-level by condensing pump 23, one-level low-temperature heater 18, two level low-temperature heater 19 successively
Condensate is delivered to the inhalant region of oxygen-eliminating device 21, raw water passes through the one-level EDI water process of two-pass reverse osmosis ten after warm heater 20
Demineralized water moisturizing is delivered to the inhalant region of oxygen-eliminating device 21, high temperature heater (HTH) is hydrophobic to be added from two level high pressure successively after the processing of system 24
Hot device 17 and one-level high-pressure heater 16 are delivered to the inhalant region of oxygen-eliminating device 21, and the boiler main that the delivery port of oxygen-eliminating device 21 is drawn is given
Boiler main feedwater is delivered to by water lines after feed pump 25, one-level high-pressure heater 16 and two level high-pressure heater 17 successively
The water inlet of boiler 1, the pressure in boiler main feed line are 18MPa, and the temperature in boiler main feed line is 241 DEG C；It is cold
But tower 29 is connected to the water inlet of condenser 22 by circulating water inlet, and the water return outlet of condenser 22 passes through recirculated water return pipe
Cooling tower 29 is connected back to, the moisturizing pipeline from plant area connects cooling tower 29, and 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 successively by supplying
Heat recirculated water is provided heat to user by hot recycle pump 27 and heater 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 connect a superhigh-pressure high-temp back pressure turbine（10）, superhigh-pressure high-temp
Back pressure turbine（10）By a No.1 generator（11）Generate electricity, and pass through bus power transmission to No.1 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 level low-temperature heat
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 is successively by condensing pump（23）, one-level low-temperature heater（18）, two level low-temperature heater（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 passes through feed pump successively（25）, one-level high-pressure heater（16）With two level high-pressure heater（17）Afterwards by boiler
Main feedwater is delivered to boiler（1）Water inlet.
A kind of 2. 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 passed through successively
Heat circulation pump（27）And heater（28）Heat recirculated water is provided heat into user.
A kind of 3. 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 level
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 level high-pressure heater（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 level low-temperature heater（19）With one-level low-temperature heater（18）It is delivered to condenser
（22）Exhalant region.
A kind of 7. 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 13.7MPa, and the temperature in boiler main steam line is 540 DEG C.
A kind of 8. 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 2.25MPa, and the temperature in 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.
A kind of 10. 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 18MPa, and the temperature in boiler main feed line is 241 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455744.1U CN206769967U (en) | 2017-04-27 | 2017-04-27 | Power plant's superhigh-pressure high-temp reheating embrittlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455744.1U CN206769967U (en) | 2017-04-27 | 2017-04-27 | Power plant's superhigh-pressure high-temp reheating embrittlement |
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| Publication Number | Publication Date |
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| CN206769967U true CN206769967U (en) | 2017-12-19 |
Family
ID=60634011
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| CN201720455744.1U Expired - Fee Related CN206769967U (en) | 2017-04-27 | 2017-04-27 | Power plant's superhigh-pressure high-temp reheating embrittlement |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968733A (en) * | 2017-04-27 | 2017-07-21 | 江阴市尚时环境工程有限公司 | Power plant's superhigh-pressure high-temp reheating embrittlement |
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2017
- 2017-04-27 CN CN201720455744.1U patent/CN206769967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968733A (en) * | 2017-04-27 | 2017-07-21 | 江阴市尚时环境工程有限公司 | Power plant's superhigh-pressure high-temp reheating embrittlement |
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Granted publication date: 20171219 Termination date: 20210427 |