CN109386838A - A kind of biomass co-combustion system and technique - Google Patents
A kind of biomass co-combustion system and technique Download PDFInfo
- Publication number
- CN109386838A CN109386838A CN201811436977.2A CN201811436977A CN109386838A CN 109386838 A CN109386838 A CN 109386838A CN 201811436977 A CN201811436977 A CN 201811436977A CN 109386838 A CN109386838 A CN 109386838A
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- biomass
- discharge port
- feed inlet
- belt
- boiler
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/007—Regulating fuel supply using mechanical means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
A kind of biomass co-combustion system and technique provided by the invention, including biomass preparation system, biomass metering system, biomass transportation system, central station of floating dock and boiler, wherein, the feed inlet of the discharge port connection biomass transportation system of biomass preparation system, the feed inlet of the discharge port connection boiler of biomass transportation system；Biomass metering system is arranged on belt, for carrying out Weighing and online calorimetry to biomass powder, and the data measured is transferred to central station of floating dock；Whole system can be put into during igniting independently of boiler oil system because biomass burning point is lower in advance, can save igniting fuel oil, enhance boiler load control characteristic；The co-combustion system is independently arranged simultaneously, and whether system comes into operation, original unit can be operated normally, and have many advantages, such as that system switching is convenient.
Description
Technical field
The invention belongs to biomass utilization technologies field, in particular to a kind of biomass co-combustion system and technique.
Background technique
Biomass is primarily referred to as the lignocellulosics such as stalk, trees in agriculture and forestry production process in addition to grain, fruit
Fowl and animal excrement during (abbreviation lignin), farming industry leftover bits and pieces, agriculture and forestry organic waste material and Animal husbandry production and discarded
The substances such as object.Biomass energy is the important component of renewable energy, and the Efficient Development of biomass energy utilizes, to solution energy
Source, ecological environment problem will play very positive effect.
The coal unit mixed combusting technology of biomass coupling at present can be divided into:
1. pulverized-coal fired boiler is directly mixed and burned；
2. gasification coupling burns；
3. burning-biomass in parallel is burnt in independent boiler, by the steam supply generator group of production.
Currently, above several technologies are respectively lacked with the presence of excellent: the direct mixed combusting technology transformation of pulverized-coal fired boiler is difficult, transports
The problems such as row control is complicated；There is the problems such as investment is big, processing capacity is small, system complex in gasification coupling technology；Parallel connection burning is deposited
It is big in investment, running cost, configure the problems such as personnel are more, system switching is inconvenient；Landfill can occupy a large amount of soils；At comprehensive utilization
Reason amount is limited.
Summary of the invention
The purpose of the present invention is to provide a kind of biomass co-combustion system and techniques, and it is coal-fired to solve current biomass coupling
Difference defect existing for unit mixed combusting technology.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of biomass co-combustion system provided by the invention, including biomass preparation system, biomass metering system, biology
Matter transportation system, central station of floating dock, belt and boiler, wherein the feed inlet of the discharge port connection belt of biomass preparation system, belt
Discharge port connection biomass transportation system feed inlet, biomass transportation system discharge port connection boiler feed inlet；It is raw
Physical measurement system is arranged on belt, for carrying out Weighing and online calorimetry to biomass powder, and measuring
Data are transferred to central station of floating dock.
It preferably, further include biomass storage system, which is arranged in the discharge port and biology of belt
Between matter transportation system feed inlet.
Preferably, biomass storage system includes feed bin, biomass preparation system discharge port by belt and feed bin into
Material mouth connection, the discharge port of feed bin are connected with screw(-type) feeder, the discharge port of screw(-type) feeder connect biomass transportation system into
Material mouth.
Preferably, setting gauge is provided in feed bin.
Preferably, biomass preparation system includes charging belt, level-one crusher and pulverizer, wherein charging belt
Discharge port connects the feed inlet of level-one crusher, the feed inlet of the discharge port connection pulverizer of level-one crusher, and pulverizer goes out
Material mouth connects biomass transportation system feed inlet.
Preferably, biomass metering system includes weighing device and online calorimetry device, wherein weighing device and
Line calorimetry device is arranged on belt.
Preferably, biomass transportation system includes transmitter, the discharge port connection transmitter of biomass preparation system into
Material mouth, the feed inlet of the discharge port connection boiler of transmitter；Meanwhile the air inlet of the transmitter is connected with going out for gas source blower
Air port.
A kind of biomass mixes firing technique, is based on a kind of biomass co-combustion system, comprising the following steps:
Biomass is pulverized into powder by biomass preparation system, then passes through Belt Conveying to biomass transportation system
Feed inlet, boiler combustion is delivered to by biomass transportation system；Biomass powder passes through biomass metering system on belt
Weighing and online calorimetry are carried out to biomass, and will measure and analyze data and send to central station of floating dock, is convenient for combustion adjustment
And it automatically controls.
Preferably, biomass transportation system includes transmitter, the discharge port connection transmitter of biomass preparation system into
Material mouth, the feed inlet of the discharge port connection boiler of transmitter；Meanwhile the air inlet of the transmitter is connected with going out for gas source blower
Air port；Wherein, the gas source of gas source blower is air or the filtered flue gas of boiler dusting.
Compared with prior art, the beneficial effects of the present invention are:
A kind of biomass co-combustion system provided by the invention, prepares resulting biomass powder by biomass preparation system,
Using biomass metering system by the usage amount of biomass and biomass calorific value and ingredient real-time Transmission to central station of floating dock, convenient for operation
Automatic control is realized in personnel's adjustment；It is conveyed by the pneumatic pipe of biomass transportation system, flexible arrangement, convenient for transformation；
Whole system can be put into during igniting independently of boiler oil system because biomass burning point is lower in advance, can save igniting combustion
Oil enhances boiler load control characteristic；Co-combustion system is independently arranged, and whether system comes into operation, original unit can be operated normally, tool
Have the advantages that system switching is convenient.
Further, biomass powder mobility is poor, and setting gauge is arranged in feed bin prevents biomass powder from putting up a bridge, further
The mobility of biomass powder is provided.
Further, helixes feed equipment is set, the feeding coal of biomass can be controlled, facilitate adjustment mixed-fuel burning proportion.
A kind of biomass provided by the invention mixes firing technique, prepares resulting biomass powder by biomass preparation system,
Using biomass metering system by the usage amount of biomass and biomass calorific value and ingredient real-time Transmission to central station of floating dock, convenient for operation
Automatic control is realized in personnel's adjustment；It is conveyed by the pneumatic pipe of biomass transportation system, flexible arrangement, convenient for transformation；
Whole system can be put into during igniting independently of boiler oil system because biomass burning point is lower in advance, can save igniting combustion
Oil enhances boiler load control characteristic；Co-combustion system is independently arranged, and whether system comes into operation, original unit can be operated normally, tool
Have the advantages that system switching is convenient.
Further, gas source blower uses air or flue gas, can be effectively reduced burning NOx production quantity.
Detailed description of the invention
Fig. 1 is co-combustion system structural schematic diagram of the present invention；
Wherein, 1,2 valve 3 of boiler, screw(-type) feeder 4, setting gauge 5, feed bin 6, belt 7, weighing device 8,
Line calorimetry device 9, pulverizer 10, charging belt 11, level-one crusher 12, gas source blower 13, pneumatic pipe 14,
Transmitter 15, conveyance conduit.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in more detail.
As shown in Figure 1, a kind of biomass co-combustion system provided by the invention, including biomass preparation system, biomass meter
Amount system, biomass transportation system, biomass storage system, central station of floating dock and boiler 1, wherein the discharging of biomass preparation system
The feed inlet of mouth connection biomass storage system, the charging of the discharge port connection biomass transportation system of biomass storage system
Mouthful, the feed inlet of the discharge port connection boiler 1 of biomass transportation system；
Biomass metering system is arranged on belt 6.
Biomass preparation system includes charging belt 10, level-one crusher 11 and pulverizer 9, the discharge port of charging belt 10
The feed inlet of level-one crusher 11, the feed inlet of the discharge port connection pulverizer 9 of level-one crusher 11 are connected, pulverizer 9 goes out
The feed inlet of material mouth connection biomass metering system.
Biomass storage system includes feed bin 5, and the discharge port of pulverizer 9 connects the feed inlet of feed bin 5 by belt 6, material
The feed inlet of the discharge port connection screw(-type) feeder 3 in storehouse 5.
Setting gauge 4 is arranged in feed bin 5, drops down onto screw(-type) feeder for dialling biomass powder.
Biomass metering system includes weighing device 7 and online calorimetry device 8, and weighing device 7 and online calorific value divide
Analysis apparatus 8 is arranged on belt 6, is respectively used to carry out Weighing to biomass and is carried out online calorimetry to biomass,
And will measure and analyze data and give to central station of floating dock, it is convenient for combustion adjustment and automatic control.
Biomass transportation system includes transmitter 14, the feed inlet of the discharge port connection transmitter 14 of screw(-type) feeder 3, institute
The air inlet for stating transmitter 14 connects the air outlet of gas source blower 12 by pneumatic pipe 13.
The discharge port of transmitter 14 connects the feed inlet of boiler 1 by conveyance conduit 15.
Meanwhile valve 2 is provided on conveyance conduit 15.
The biomass preparation system, which receives raw material, can be big bulk, be also possible to sheet；
Biomass powder is broken into powdery by the pulverizer 9；
The boiler 1 is pulverized-coal fired boiler, and conveyance conduit 15 and boiler interface 1 can be new opening, also can use secondary
Air port or tertiary air orifice；
Gas source used in the gas source blower 12 can be air, be also possible to boiler smoke.
Embodiment 1
As shown in Figure 1, a kind of biomass of the present invention mixes firing technique,
Biomass is sent into level-one crusher 11 by charging belt 10, pulverizer 9 is pulverized into powder, and then passes through belt
6 send to feed bin 5；It arranges that weighing device 7 carries out Weighing on belt 6, is simutaneously arranged online calorimetry device 8 to biomass
It is analyzed, and will measure and analyze data and send to central station of floating dock, facilitate combustion adjustment and automatic control, biomass powder is in feed bin 5
It is interior, screw(-type) feeder 3 is fallen under the action of setting gauge 4, screw(-type) feeder 3 is contributed adjustable；Batcher outlet connection transmitter
14, gas source used in transmitter 14 is provided by gas source blower 12, and biomass powder is in the swabbing action of high-speed flow and itself weight
It is admitted to conveyance conduit 15 under power effect, is ultimately delivered to the burning of boiler 1.
Embodiment 2
It is that flue gas is as gas source after gas source blower uses boiler dusting, so that conveying gas oxygen contains with the difference of embodiment 1
Amount is lower, so that combustion zone forms reducing atmosphere in furnace, reduces NOxRaw emissions.
The present invention have biomass dosage is measurable, anti-can practise fraud, flexible arrangement, it is easy to adjust, can be achieved low nitrogen burning,
The advantages that system switching facilitates.
An example of the present invention is described in detail above, but the content is only preferable implementation of the invention
Example, must not believe that for limiting practical range of the invention.All variations made according to the present patent application range and improvement etc.,
It should still belong within covering scope of the invention.
Claims (9)
1. a kind of biomass co-combustion system, which is characterized in that including biomass preparation system, biomass metering system, biomass
Transportation system, central station of floating dock, belt (6) and boiler (1), wherein the charging of discharge port connection belt (6) of biomass preparation system
Mouthful, the feed inlet of the discharge port connection biomass transportation system of belt (6), the discharge port of biomass transportation system connects boiler
(1) feed inlet；Biomass metering system is arranged on belt (6), for carrying out Weighing and online heat to biomass powder
Value analysis, and the data measured are transferred to central station of floating dock.
2. a kind of biomass co-combustion system according to claim 1, which is characterized in that it further include biomass storage system,
The biomass storage system is arranged between the discharge port and biomass transportation system feed inlet of belt (6).
3. a kind of biomass co-combustion system according to claim 2, which is characterized in that biomass storage system includes feed bin
(5), biomass preparation system discharge port is connect by belt (6) with the feed inlet of feed bin (5), the discharge port connection of feed bin (5)
Have screw(-type) feeder (3), the discharge port of screw(-type) feeder (3) connects biomass transportation system feed inlet.
4. a kind of biomass co-combustion system according to claim 2, which is characterized in that be provided with setting gauge in feed bin (5)
(5)。
5. a kind of biomass co-combustion system according to claim 1, which is characterized in that biomass preparation system includes feeding
Belt (10), level-one crusher (11) and pulverizer (9), wherein the discharge port of charging belt (10) connects level-one crusher
(11) discharge port of feed inlet, the feed inlet of discharge port connection pulverizer (9) of level-one crusher (11), pulverizer (9) connects
It delivers a child material delivery systems feed inlet.
6. a kind of biomass co-combustion system according to claim 1, which is characterized in that biomass metering system includes weighing
Device (7) and online calorimetry device (8), wherein weighing device (7) and online calorimetry device (8) are arranged in belt
(6) on.
7. a kind of biomass co-combustion system according to claim 1, which is characterized in that biomass transportation system includes sending
The discharge port of device (14), the feed inlet of discharge port connection transmitter (14) of biomass preparation system, transmitter (14) connects pot
The feed inlet of furnace (1)；Meanwhile the air inlet of the transmitter (14) is connected with the air outlet of gas source blower (12).
8. a kind of biomass mixes firing technique, which is characterized in that be based on a kind of biomass co-combustion system described in claim 1, packet
Include following steps:
Biomass is pulverized into powder by biomass preparation system, is then delivered to biomass transportation system by belt (6)
Feed inlet, boiler combustion is delivered to by biomass transportation system；Biomass powder is measured on belt (6) by biomass
System carries out Weighing and online calorimetry to biomass, and will measure and analyze data and send to central station of floating dock, convenient for operation
Adjustment and automatic control.
9. a kind of biomass according to claim 8 mixes firing technique, which is characterized in that biomass transportation system includes sending
The discharge port of device (14), the feed inlet of discharge port connection transmitter (14) of biomass preparation system, transmitter (14) connects pot
The feed inlet of furnace (1)；Meanwhile the air inlet of the transmitter (14) is connected with the air outlet of gas source blower (12)；Wherein, gas source
The gas source of blower (12) is air or the filtered flue gas of boiler dusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436977.2A CN109386838A (en) | 2018-11-28 | 2018-11-28 | A kind of biomass co-combustion system and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436977.2A CN109386838A (en) | 2018-11-28 | 2018-11-28 | A kind of biomass co-combustion system and technique |
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| Publication Number | Publication Date |
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| CN109386838A true CN109386838A (en) | 2019-02-26 |
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| CN201811436977.2A Pending CN109386838A (en) | 2018-11-28 | 2018-11-28 | A kind of biomass co-combustion system and technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446618A (en) * | 2021-07-28 | 2021-09-28 | 西安热工研究院有限公司 | Direct-fired coupling power generation system and method for conveying biomass by boiler smoke of coal-fired power station |
| CN113685806A (en) * | 2021-08-19 | 2021-11-23 | 东方电气集团东方锅炉股份有限公司 | Biomass blending combustion system based on coal-fired boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889909A (en) * | 2016-05-31 | 2016-08-24 | 中国华能集团清洁能源技术研究院有限公司 | Large fluidized bed boiler blending combustion system |
| CN106765161A (en) * | 2017-02-28 | 2017-05-31 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device and technique |
| CN106929108A (en) * | 2017-04-19 | 2017-07-07 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device and method |
| CN207065579U (en) * | 2017-02-28 | 2018-03-02 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device |
| CN108318519A (en) * | 2018-03-27 | 2018-07-24 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass direct-fired coupled electricity-generation system and technique |
-
2018
- 2018-11-28 CN CN201811436977.2A patent/CN109386838A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889909A (en) * | 2016-05-31 | 2016-08-24 | 中国华能集团清洁能源技术研究院有限公司 | Large fluidized bed boiler blending combustion system |
| CN106765161A (en) * | 2017-02-28 | 2017-05-31 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device and technique |
| CN207065579U (en) * | 2017-02-28 | 2018-03-02 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device |
| CN106929108A (en) * | 2017-04-19 | 2017-07-07 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass and city solid waste comprehensive utilization device and method |
| CN108318519A (en) * | 2018-03-27 | 2018-07-24 | 中国华能集团清洁能源技术研究院有限公司 | A kind of biomass direct-fired coupled electricity-generation system and technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446618A (en) * | 2021-07-28 | 2021-09-28 | 西安热工研究院有限公司 | Direct-fired coupling power generation system and method for conveying biomass by boiler smoke of coal-fired power station |
| CN113685806A (en) * | 2021-08-19 | 2021-11-23 | 东方电气集团东方锅炉股份有限公司 | Biomass blending combustion system based on coal-fired boiler |
| CN113685806B (en) * | 2021-08-19 | 2023-08-01 | 东方电气集团东方锅炉股份有限公司 | Biomass blending combustion system based on coal-fired boiler |
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