CN108868907A - A kind of fire coal biomass carbonated drink coupled electricity-generation system and technique - Google Patents
A kind of fire coal biomass carbonated drink coupled electricity-generation system and technique Download PDFInfo
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- CN108868907A CN108868907A CN201810621354.6A CN201810621354A CN108868907A CN 108868907 A CN108868907 A CN 108868907A CN 201810621354 A CN201810621354 A CN 201810621354A CN 108868907 A CN108868907 A CN 108868907A
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- coal
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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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention provides a kind of coal-fired biomass carbonated drink coupled electricity-generation system and technique, increases biomass boiler and matched equipment and therrmodynamic system on the basis of existing coal-burning power plant.The superheated steam that biomass boiler biomass burning is generated is sent into the intermediate pressure cylinder of the steam turbine of coal-burning power plant, is generated electricity using the existing turbine LP rotors in coal-burning power plant.The present invention is provided mainly using biomass direct-fired technology, single machine maximum-norm is 30MW, it is 250,000 tons or so that biological quality can be dissolved year, while biomass direct-fired technology available fuel is almost all of agriculture and forestry organic waste material, preferably can solve biomass disposition for local government and contribute.The advantages of coal-fired biomass carbonated drink coupled electricity-generation technology can give full play to coal-burning power plant's efficiency power generation unit, while coal-burning power plant's unit load rate is improved, preferably adapt to the low ebb method of operation that dispatching of power netwoks requires.
Description
Technical field
The present invention relates to a kind of coal-fired biomass carbonated drink coupled electricity-generation system and technique, in particular to a kind of biomass boilers
The thermodynamic steam and coal-burning power plant's coupled electricity-generation technique of generation.
Background technique
Biomass energy is as renewable energy, from a wealth of sources, rich reserves, renewable and can store.Biomass power generation is former
, stable electric power, quality height similar to thermoelectricity are managed, it is more friendly for power grid；Compared with equally stable water power, biomass
The annual power generation hourage of power generation is 7000-8000 hours.Biomass Electricity Generation is to substitute traditional energy with renewable energy
One of effective way, for substitution fossil energy, increase energy supply, readjust the energy structure, and building stablize, be economical,
Cleaning, safe energy supply system, ensure energy security, are of great significance.
Coal-fired biomass carbonated drink coupled electricity-generation technology can preferably adapt to the low ebb method of operation of dispatching of power netwoks requirement, thus
It improves unit and utilizes hourage, increase generated energy, and the technology can effectively reduce power plant's carbon dioxide, sulfur dioxide, nitrogen oxidation
The gases discharge force such as object.Meanwhile coal-fired biomass carbonated drink coupled electricity-generation technology can give full play to power plant's efficiency power generation unit
Advantage is biomass energy most one of efficient, most clean utilization method, there is sufficient technology flexibility, preferable cleanliness
And Technical Economy, it can be with effective solution agriculture and forestry organic waste material disposal difficulties.
Summary of the invention
To solve biomass processes handling problems, the present invention provides a kind of novel technique with coal-burning power plant's coupled electricity-generation
Method, the processing suitable for biomass are disposed.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of fire coal biomass carbonated drink coupled electricity-generation system, including biomass boiler, the coal-burning boiler of coal-burning power plant, fire coal
The steam turbine of power plant, coal-burning power plant generator；The steam (vapor) outlet of the coal-burning boiler is connected to the steamer by jet chimney
The steam inlet of the high pressure cylinder of machine；The steam (vapor) outlet of the biomass boiler is connected to the middle pressure of the steam turbine by jet chimney
The steam inlet of cylinder；The steam turbine connects generator, driven generator power generation.
It further, further include oxygen-eliminating device, high-pressure heater, low-pressure heater；It is the oxygen-eliminating device, high-pressure heater, low
Pressure heater passes through jet chimney respectively and is connected to the different steam extraction parameter section of the steam turbine.
It further, further include coal-burning power plant's water chemical treatment system, the chemistry filled water entrance of the biomass boiler connects
Lead to the sweet-water tank of coal-burning power plant's water chemical treatment system, the water in sweet-water tank is got by desalination water pump, biomass boiler
Chemistry filled water is provided by coal-burning power plant's water chemical treatment system.
It further, further include coal-burning power plant's industrial water system, the biomass boiler industry water inlet is connected to the combustion
The industrial water tank of coal-fired plant's industrial water system, the water in industrial water tank are got by industrial water pump, and biomass boiler industry water is by firing
Coal-fired plant's industrial water system provides.
Further, pressure and temperature reducing tune is set on the jet chimney between the biomass boiler and the intermediate pressure cylinder of steam turbine
Save valve, pneumatic fast valve, non-return valve and safety valve blow-off line.
A kind of coal-fired biomass carbonated drink coupled electricity-generation technique based on above-mentioned coupled electricity-generation system, includes the following steps：
Step 1：Biomass is sent into the biomass boiler burner hearth and is burnt, biomass is generated in furnace chamber inner combustion
High-temperature flue gas carry heat by the biomass boiler heating surface absorption, boiler feedwater is heated into superheated steam, mistake
Hot steam parameter is coal-burning power plant's Steam Turbine Through IP Admission steam inlet condition of quasi- coupling；
Step 2：Superheated steam is entered by biomass boiler side main steam line in coal-burning power plant's steam turbine of quasi- coupling
Cylinder pressure air intake carries out acting power generation using the existing Turbo-generator Set in coal-burning power plant.
Preferably, the oxygen-eliminating device, high-pressure heater, low-pressure heater vapour source are provided by the corresponding steam segment in coal-burning power plant.
Preferably, biomass boiler chemistry filled water is provided by coal-burning power plant's water chemical treatment system：It is directly entered all the way thin
Water tank, for water-filling on system water supplement and boiler；All the way through the laggard low-pressure heater of flow control valve, oxygen-eliminating device is entered back into, is mended
It fills because condensing reduced water；Biomass boiler industry water is provided by coal-burning power plant's industrial water system, for cooling down various subsidiary engines
Rotating machinery.
Beneficial effect：(1) coal-fired biomass carbonated drink coupled electricity-generation technology is mainly using biomass direct-fired technology, single machine
Maximum-norm is 30MW, and can dissolve biological quality year is 250,000 tons or so, while biomass direct-fired technology available fuel is almost
All agriculture and forestry organic waste materials preferably can solve biomass disposition for local government and contribute.
(2) the advantages of coal-fired biomass carbonated drink coupled electricity-generation technology can give full play to coal-burning power plant's efficiency power generation unit,
Coal-burning power plant's unit load rate is improved simultaneously, preferably adapts to the low ebb method of operation that dispatching of power netwoks requires.
(3) medium of coal-fired biomass carbonated drink coupled electricity-generation technology is thermodynamic steam, and the technological transformation work of coal-burning power plant is less,
Blocking pipeline phenomenon is precipitated in the tar that gasification coupling technology can be avoided to occur completely simultaneously.
Detailed description of the invention
Fig. 1 is technical process figure of the present invention；
Fig. 2 is schematic structural view of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, the present invention increases biomass boiler, matched biology on the basis of existing coal-burning power plant's equipment
Matter warehouse, conveying equipment, distributing equipment, pre-processing device, feeding device, and configuration deaerated feedwater, heat regenerative system etc. are basic
Therrmodynamic system.The steam (vapor) outlet of coal-burning boiler is connected to the steam inlet of the high pressure cylinder of steam turbine by jet chimney；Biomass
The steam (vapor) outlet of boiler is connected to the steam inlet of the intermediate pressure cylinder of steam turbine by jet chimney.
Grab bucket crane is installed in biomass store, biomass fuel is clamped by grab bucket crane, conveying is placed it in and sets
It is standby upper, distributing equipment is sent to by conveying equipment, then biomass fuel is distributed to biomass pretreatment by distributing equipment and is set
It is standby, then given biomass fuel to biomass boiler by feeding device.Pre-processing device pre-processes biomass, keeps it full
Requirement of the sufficient biomass boiler to fuel.
For biomass fuel in biomass boiler furnace chamber inner combustion, the heat that the high-temperature flue gas of generation carries passes through biomass pot
Furnace heating surface absorbs, and boiler feedwater is heated as superheated steam, steam parameter meets coal-burning power plant's Steam Turbine Through IP Admission into vapour
Then parameter is delivered to the acting of coal-burning power plant's Steam Turbine Through IP Admission by jet chimney and generates electricity, on biomass boiler jet chimney
Pressure and temperature reducing regulating valve, pneumatic fast valve, non-return valve and safety valve blow-off line are set.It is adjusted by adjusting pressure and temperature reducing
Valve or biomass boiler stove type parameter are designed according to steam inlet condition, make steam parameter meet coal-burning power plant's Steam Turbine Through IP Admission into
Vapour parameter.
Biomass boiler water supply is supplied by feed pump, and oxygen-eliminating device, high-pressure heater, low-pressure heater vapour source are by coal-fired electricity
The corresponding steam segment of factory provides.
Biomass boiler chemistry filled water is provided by coal-burning power plant's water chemical treatment system：It is directly entered drain tank all the way, supplies
Water-filling is used on system water supplement and boiler；All the way through the laggard low-pressure heater of flow control valve, oxygen-eliminating device is entered back into, supplement is because of condensation
The water of reduction.Biomass boiler industry water is provided by coal-burning power plant's industrial water system, is set for cooling down the rotation of various subsidiary engines
It is standby.
Continuous blowdown flash tank and regular unloading container is arranged in biomass boiler, and sewerage is in continuous blowdown flash tank
The secondary steam generated after dilatation is connected to oxygen-eliminating device through vapour balance main pipe, and sewerage is sent to regular unloading container, and sewerage exists
Dilatation cools down again in regular unloading container, and the steam of generation is discharged into atmosphere, and sewerage is sent to drainage system.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of fire coal biomass carbonated drink coupled electricity-generation system, which is characterized in that including biomass boiler side, coal-burning power plant side；
The biomass boiler side includes biomass boiler；The coal-burning power plant side includes coal-burning boiler, steam turbine, generating set；Institute
State coal-burning boiler steam (vapor) outlet be connected to by jet chimney the steam turbine high pressure cylinder steam inlet；The biomass pot
The steam (vapor) outlet of furnace is connected to the steam inlet of the intermediate pressure cylinder of the steam turbine by jet chimney；The steam turbine connects generator
Group, the power generation of driven generator group.
2. a kind of coal-fired biomass carbonated drink coupled electricity-generation system according to claim 1, which is characterized in that the biomass
Boiler side further includes oxygen-eliminating device, high-pressure heater, low-pressure heater；The oxygen-eliminating device, high-pressure heater, low-pressure heater difference
The extraction line of the steam turbine is connected to by jet chimney.
3. a kind of coal-fired biomass carbonated drink coupled electricity-generation system according to claim 1, which is characterized in that the coal-fired electricity
Factory side includes coal-burning power plant's water chemical treatment system, and the chemistry filled water entrance of the biomass boiler is connected to the coal-burning power plant
The sweet-water tank of water treatment system, biomass boiler chemistry filled water are provided by coal-burning power plant's water chemical treatment system.
4. a kind of coal-fired biomass carbonated drink coupled electricity-generation system according to claim 1, which is characterized in that the coal-fired electricity
Factory side includes coal-burning power plant's industrial water system, and the biomass boiler industry water inlet is connected to coal-burning power plant's industrial water system
Industrial water tank, biomass boiler industry water provides by coal-burning power plant's industrial water system.
5. a kind of coal-fired biomass carbonated drink coupled electricity-generation system according to claim 1, which is characterized in that the biomass
Pressure and temperature reducing regulating valve, pneumatic fast valve, non-return valve are set on the jet chimney between boiler and the intermediate pressure cylinder of steam turbine, and
Safety valve blow-off line.
6. a kind of coal-fired biomass carbonated drink coupled electricity-generation technique based on coupled electricity-generation system described in claim 2, feature exist
In including the following steps：
Step 1：Biomass is sent into the biomass boiler burner hearth and is burnt, the height that biomass is generated in furnace chamber inner combustion
The heat that warm flue gas carries is absorbed by the biomass boiler heating surface, boiler feedwater is heated into superheated steam, overheat is steamed
Vapour parameter is coal-burning power plant's Steam Turbine Through IP Admission steam inlet condition；
Step 2：The superheated steam enters coal-burning power plant's Steam Turbine Through IP Admission into vapour by biomass boiler side main steam line
Mouthful, the steam that the coal-burning boiler of coal-burning power plant generates enters coal-burning power plant's turbine high-pressure by coal-burning power plant side main steam line
Cylinder air intake carries out acting power generation using the existing Turbo-generator Set in coal-burning power plant.
7. a kind of coal-fired biomass carbonated drink coupled electricity-generation technique according to claim 6, which is characterized in that the deoxygenation
Device, high-pressure heater, low-pressure heater vapour source are provided by the corresponding steam segment in coal-burning power plant.
8. a kind of coal-fired biomass carbonated drink coupled electricity-generation technique according to claim 6, which is characterized in that biomass boiler
Chemistry filled water is provided by coal-burning power plant's water chemical treatment system：It is directly entered drain tank all the way, for filling on system water supplement and boiler
Water is used；All the way through the laggard low-pressure heater of flow control valve, oxygen-eliminating device is entered back into, is supplemented because condensing reduced water；Biomass
Boiler Manufacturing Industry water is provided by coal-burning power plant's industrial water system, for cooling down the rotating machinery of various subsidiary engines.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810621354.6A CN108868907A (en) | 2018-06-15 | 2018-06-15 | A kind of fire coal biomass carbonated drink coupled electricity-generation system and technique |
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| CN201810621354.6A CN108868907A (en) | 2018-06-15 | 2018-06-15 | A kind of fire coal biomass carbonated drink coupled electricity-generation system and technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374703A (en) * | 2019-08-09 | 2019-10-25 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of back pressure type co-generation unit based on biomass fuel |
| CN110397481A (en) * | 2019-07-02 | 2019-11-01 | 光大环保技术研究院（南京）有限公司 | Promote the waste incineration and generating electricity device of main steam condition |
| CN110656982A (en) * | 2019-09-23 | 2020-01-07 | 南京中电环保固废资源有限公司 | Different-parameter boiler steam side coupling power generation system and process |
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Patent Citations (4)
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| CN102322629A (en) * | 2011-10-17 | 2012-01-18 | 山东电力工程咨询院有限公司 | Continuous-blowdown drainage heat recovery system of boiler |
| CN104266170A (en) * | 2014-10-11 | 2015-01-07 | 中国轻工业长沙工程有限公司 | Comprehensive utilization method of thermal power plant boiler wastewater |
| CN205036415U (en) * | 2015-08-04 | 2016-02-17 | 安庆林 | Small -size high temperature high pressure combination formula reheat turbo generator set device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397481A (en) * | 2019-07-02 | 2019-11-01 | 光大环保技术研究院（南京）有限公司 | Promote the waste incineration and generating electricity device of main steam condition |
| CN110397481B (en) * | 2019-07-02 | 2022-04-12 | 光大环保技术研究院（南京）有限公司 | Garbage incineration power generation device capable of improving main steam parameters |
| CN110374703A (en) * | 2019-08-09 | 2019-10-25 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of back pressure type co-generation unit based on biomass fuel |
| CN110656982A (en) * | 2019-09-23 | 2020-01-07 | 南京中电环保固废资源有限公司 | Different-parameter boiler steam side coupling power generation system and process |
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