CN109762608A - A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature - Google Patents
A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature Download PDFInfo
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- CN109762608A CN109762608A CN201910224496.3A CN201910224496A CN109762608A CN 109762608 A CN109762608 A CN 109762608A CN 201910224496 A CN201910224496 A CN 201910224496A CN 109762608 A CN109762608 A CN 109762608A
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- tracheae
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- gasification furnace
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- 238000002309 gasification Methods 0.000 title claims abstract description 64
- 239000002028 Biomass Substances 0.000 title claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 description 6
- 241000486406 Trachea Species 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature, the first pipe fitting, blank-plate valve, the first water valve, pressure reducing valve, the 5th hand-operated valve, the first pneumatic operated valve, third water valve, the 6th hand-operated valve f and outgoing gas connection tube head are sequentially arranged on the first tracheae respectively；Second pipe joint is fitted together with the annular main pipe on gasification furnace, and first the first pipe fitting of tracheae left end links together with steam line gas outlet；Second tracheae one end is attached separately on the first tracheae between pressure reducing valve and the 5th hand-operated valve, first manual valve, water delivery apparatus, the second hand-operated valve and heat exchanger are successively mounted on the second tracheae, and one end dress of oil guide pipe is on heat exchangers；On the first tracheae on the right side of the second tracheae, the third tracheae other end is fitted together with the first tracheae right end for third tracheae one end；By third hand-operated valve, the second pneumatic operated valve, the second delivery valve and the 4th hand-operated valve, successively on third tracheae；Form a kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature.
Description
Technical field
The present invention relates to a kind of gasification furnace temperature regulating device, specifically a kind of biomass fluidized bed gasification furnace steam drainage
Control system for regulating temperature.
Background technique
In power industry, existing coal unit is largely economized on coal and First air, Secondary Air ratio or coal and water supply using control
Than controlling boiler hearth temperature.When fire box temperature is excessively high, origin of heat can be reduced very well by reducing coal-supplying amount, increase air quantity
Ignition temperature is reduced, to reduce burner hearth wall temperature, gaining water-supplying amount can be with direct reducing furnace bore temperature；When fire box temperature is too low
When, otherwise improve fire box temperature.But for biomass gasifying furnace, existing 10.8 MW of biomass gasifying furnace load, and biology
Matter gasification is more difficult to control vaporising fuel amount compared to biomass direct-fired, so the bed temperature control of biomass gasifying furnace is more difficult to
It realizes.
Steam pipeline is a kind of common heat distribution pipeline, is mainly used in industry, building etc..Patented technology application
Number: 201820395572.8 (a kind of titles: water delivery device of waste incinerator) can alleviate air preheater and water delivery dilatation
Corrosive pipeline between device improves the heat exchange performance of boiler, is a kind of inexpensive, efficient water delivery device；Application number:
201720507864.1 (a kind of steam water delivery devices), it is low can effectively to solve emptying effectiveness in existing heavy caliber vapor line
The problem of.It is a kind of water delivery device for reducing steam water content in waterline.
But the above-mentioned prior art is not able to satisfy biomass gasifying furnace temperature in recirculating fluidized bed and adjusts control, influences to give birth to
The safe operation of gasification substance furnace.
When biomass gasifying furnace bed temperature is excessively high or gasification furnace bed temperature increases too fast, biomass block is not only influenced in gas
Change the gasification in furnace, influences CO, H in gasification burning2、CH4Equal gas contents, reduce biomass gasifying furnace gasification burning
Calorific value；And biomass block fast pyrogenation in gasification furnace can be made to gasify when bed temperature is excessively high, bulk gas is generated, gas is easily caused
Change positive pressure in furnace furnace, causes QFT protection act failure, lead to gasification furnace blowing out.
Summary of the invention
The purpose of the present invention is overcoming defect existing in the prior art, a kind of biomass fluidized bed gasification furnace steam is provided
Hydrophobic control system for regulating temperature, the system adjust the bed of biomass gasifying furnace using the steam in steam drainage control system for regulating temperature
Temperature solves the problems, such as the temperature control of biomass gasifying furnace in the process of running, ensures biomass gasifying furnace safe and stable operation.
A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature, including tracheae, blank-plate valve, the first water valve,
Pressure reducing valve, manually dynamic valve, water delivery apparatus, heat-conducting oil pipes, heat exchanger, pneumatic operated valve, gasification furnace, annular main pipe, steam lead, pipe connect
Head.
The technical scheme adopted by the invention is that: it will be for the first pipe fitting, blank-plate valve, the first water valve, pressure reducing valve, the 5th hand
Dynamic valve, the first pneumatic operated valve, third water valve, the 6th hand-operated valve f and the second pipe joint, are sequentially arranged at respectively on the first tracheae；The
Two pipe joints are fitted together with the annular main pipe on gasification furnace, and first the first pipe fitting of tracheae left end and steam line gas outlet connect
It is connected together；One end of second tracheae is attached separately on the first tracheae between pressure reducing valve and the 5th hand-operated valve, first manual
Valve, water delivery apparatus, the second hand-operated valve are sequentially arranged on the second tracheae；The outlet of second tracheae is connected with heat exchanger entrance, oil guide pipe
One end connection heat exchanger on；: third tracheae one end is on the first tracheae on the right side of the second tracheae, the other end of third tracheae
It is fitted together with the first tracheae right end；By third hand-operated valve, the second pneumatic operated valve, the second delivery valve and the 4th hand-operated valve, successively fill
On third tracheae；Form a kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature.
The gasification furnace: being laid with air guide pore on the furnace wall of gasification furnace bottom, steam conduit is mounted in air guide pore,
One end of steam conduit and the air inlet mouth of pipe in gasification furnace peripheral annular main pipe are installed together respectively, the steam conduit other end
It is inserted into the air guide pore on gasification furnace furnace wall.
The beneficial effects of the present invention are: a kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature, works as biology
In fluidized bed gasifier operation, when biomass gasifying furnace bed temperature is excessively high or gasification furnace bed temperature increases too fast, pass through biomass
Fluidized-bed gasification furnace temperature regulating device and steam conduit spray into suitable steam into gasification furnace, and gasification furnace bed temperature is effectively reduced, control
The bed temperature of gasification furnace processed within the set range, ensures biomass fluidized bed gasification furnace steam drainage control system for regulating temperature and gasification furnace
Safe and stable operation makes the safe and efficient gasification of gasification furnace endogenous substance, generates high-quality synthesis gas.
Detailed description of the invention
It elaborates with reference to the accompanying drawings and detailed description to the present invention.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the gasification furnace body enlarged plan view in Fig. 1.
In above-mentioned figure: 1. first tracheaes (steam), 2. blank-plate valve, 3. first delivery valves, 4. pressure reducing valves, 5a. are first-hand
Dynamic valve, the second hand-operated valve of 5b., 6. water delivery apparatus, 7. heat-conducting oil pipes, 8. heat exchangers, 9. second tracheaes (steam), 10c third are manual
Valve, the 4th hand-operated valve of 5d., 11. second delivery valves；12. third tracheae (steam), the 5th hand-operated valve of 13e., the 6th hand of 13f.
Dynamic valve, the first pneumatic operated valve of 14g., the second pneumatic operated valve of 14k., 15. third delivery valves, 16. gasification furnaces, 17. annular main pipes, 18.
Steam conduit, 19. filler materials, 20. insulating layers, the first pipe fitting of m. (air inlet), the second pipe fitting of n. (outlet).
Specific embodiment
In the embodiment that the present invention provides Fig. 1 and Fig. 2, by the first pipe fitting m, blank-plate valve 2, the first water valve 3, decompression
Valve 4, the 5th hand-operated valve 13e, the first pneumatic operated valve 14g, third water valve 15, the 6th hand-operated valve 13f and the second pipe joint n, successively pacify
On the first tracheae 1；The air inlet mouth of pipe in the annular main pipe 17 on the second pipe joint n and gasification furnace 16 is mounted on one respectively
It rises, the first pipe fitting m links together with steam line.
In embodiments of the present invention, one end of the second tracheae 9 is attached separately to pressure reducing valve 4 and the 5th hand-operated valve 13e
Between the first tracheae 1 on, first manual valve 5a, water delivery apparatus 6, the second hand-operated valve 5b are sequentially arranged on the second tracheae 9；The
Two tracheaes, 9 outlet end is connected with 8 entrance of heat exchanger, on one end connection heat exchanger 8 of oil guide pipe.
The hydrophobic outlet of second tracheae 9 is connected with 8 thermal source inlet of heat exchanger, and 8 heat source medium of heat exchanger is hydrophobic, cold source Jie
Matter is conduction oil 7；It is hydrophobic sufficiently to exchange heat in heat exchanger 8 with conduction oil 7,7 parameter of conduction oil is improved, is made effective use of
Draining system it is hydrophobic.According to actual needs, specific heat transferring medium is designed, it is ensured that hydrophobic to be used effectively.
In embodiments of the present invention, 12 one end of third tracheae is mounted on first tracheae 1 on 9 right side of the second tracheae, the
The other end of three tracheaes 12 is fitted together with 1 right end of the first tracheae, and third hand-operated valve 10c, the second pneumatic operated valve 14k, second are dredged
Water valve 11 and the 4th hand-operated valve 10d, are sequentially arranged on third tracheae 12.
In the present embodiment, it is laid with guide hole on 16 bottom furnace wall of gasification furnace, steam conduit 18 is fixed on
In guide hole, at 50-70 ° of angle, optimum angle is 60 degree of angles for steam conduit 18 and 16 vertical center line angle of gasification furnace；Respectively
One end of steam conduit 18 is connected with annular main pipe 17, the other end of steam conduit (4-12) 18 is mounted on gasification furnace
In guide hole on 16 furnace walls.
Steam parameter in first tracheae: 290 DEG C of temperature, 2.9 MPa of pressure.
Steam parameter in third tracheae 12: 290 DEG C of temperature, 1.0 MPa of pressure.
The diameter of first tracheae 1 is 125 mm, and the diameter of the second tracheae 9 is 25 mm, and the diameter of third tracheae 12 is 40
mm。
Working principle:
During gasification furnace 16 is started and run, after the steam in steam line passes through the first tracheae 1 and annular main pipe 17, then
Enter in gasification furnace 16 through steam conduit 18, since steam pressure is big, temperature is high, gasification furnace 16 is carried out to biomass material
Bed temperature fluctuation is big during gasification；When 16 stable operation of gasification furnace, the temperature fluctuation of gasification furnace 16 is smaller, to steam requirement compared with
It is small.
First tracheae, 1 inner vapor pressure is reduced to 1.0 MPa from 2.9 MPa by pressure reducing valve 4, avoids high pressure desuperheat
Steam enters in gasification furnace 16, causes to impact to burner hearth, while ensureing that biomass fluidized bed gasification furnace steam drainage temperature adjustment controls
The safety of system；When gasification furnace 16 is run surely, 16 temperature fluctuation of gasification furnace is smaller, smaller to steam requirement；Pass through the first gas
Blank-plate valve, delivery valve, pressure reducing valve, hand-operated valve, pneumatic operated valve and the heat exchanger installed on pipe 1, the second tracheae 9 and third tracheae 12,
16 steam pressure of gasification furnace and temperature are regulated and controled；Effectively control 16 bed temperature of gasification furnace within the set range, guarantees gasification furnace
16 safe and stable operations make the safe and efficient gasification of 16 endogenous substance of gasification furnace, generate high-quality synthesis gas.
And logical biomass fluidized bed gasification furnace steam drainage control system for regulating temperature, by the first tracheae 1, the second tracheae 9, third
The outlet pipe of delivery valve connection on tracheae 12 is connected with collecting-tank, to pool inner water recycling of catchmenting.
Claims (2)
1. a kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature, including tracheae, blank-plate valve, the first water valve, subtract
Pressure valve moves valve, water delivery apparatus, heat-conducting oil pipes, heat exchanger, pneumatic operated valve, gasification furnace, annular main pipe, steam lead, pipe fitting manually；
It is characterized in that: by the first pipe fitting, blank-plate valve, the first water valve, pressure reducing valve, the 5th hand-operated valve, the first pneumatic operated valve, third water valve,
6th hand-operated valve f and the second pipe joint are sequentially arranged at respectively on the first tracheae；Annular on second pipe joint and gasification furnace is female
Pipe is fitted together, and first the first pipe fitting of tracheae left end links together with steam line gas outlet；By one end of the second tracheae
It is attached separately on the first tracheae between pressure reducing valve and the 5th hand-operated valve, first manual valve, water delivery apparatus, the second hand-operated valve are successively pacified
On the second tracheae；The outlet of second tracheae is connected with heat exchanger entrance, on one end connection heat exchanger of oil guide pipe；: third gas
On the first tracheae on the right side of the second tracheae, the other end of third tracheae is fitted together with the first tracheae right end for pipe one end；It will
Third hand-operated valve, the second pneumatic operated valve, the second delivery valve and the 4th hand-operated valve, successively on third tracheae；Form a kind of biology
Fluidized bed gasification furnace steam drainage control system for regulating temperature.
2. a kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature according to claim 1, it is characterized in that:
Air guide pore is laid on the furnace wall of gasification furnace bottom, steam conduit is in air guide pore, respectively by one end of steam conduit
It is fitted together with the air inlet mouth of pipe in the annular main pipe of gasification furnace periphery, the steam conduit other end is inserted on gasification furnace furnace wall
In air guide pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224496.3A CN109762608A (en) | 2019-03-23 | 2019-03-23 | A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224496.3A CN109762608A (en) | 2019-03-23 | 2019-03-23 | A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature |
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| Publication Number | Publication Date |
|---|---|
| CN109762608A true CN109762608A (en) | 2019-05-17 |
Family
ID=66458711
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224496.3A Pending CN109762608A (en) | 2019-03-23 | 2019-03-23 | A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978996A (en) * | 2020-07-30 | 2020-11-24 | 哈尔滨锅炉厂有限责任公司 | Bed temperature control device and method for biomass gasification furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698388A (en) * | 2014-11-28 | 2016-06-22 | 西安上尚机电有限公司 | Recycling system of waste heat of industrial heat conduction oil boiler |
| CN107699290A (en) * | 2017-11-13 | 2018-02-16 | 煤炭科学技术研究院有限公司 | One kind classification oxygen supply fixed bed slag tap gasification installation |
| CN209602474U (en) * | 2019-03-23 | 2019-11-08 | 湖北华电襄阳发电有限公司 | A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature |
-
2019
- 2019-03-23 CN CN201910224496.3A patent/CN109762608A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698388A (en) * | 2014-11-28 | 2016-06-22 | 西安上尚机电有限公司 | Recycling system of waste heat of industrial heat conduction oil boiler |
| CN107699290A (en) * | 2017-11-13 | 2018-02-16 | 煤炭科学技术研究院有限公司 | One kind classification oxygen supply fixed bed slag tap gasification installation |
| CN209602474U (en) * | 2019-03-23 | 2019-11-08 | 湖北华电襄阳发电有限公司 | A kind of biomass fluidized bed gasification furnace steam drainage control system for regulating temperature |
Non-Patent Citations (1)
| Title |
|---|
| 饲料工业职业培训系列教材编审委员会: "《饲料制粒技术》", 中国农业出版社, pages: 243 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978996A (en) * | 2020-07-30 | 2020-11-24 | 哈尔滨锅炉厂有限责任公司 | Bed temperature control device and method for biomass gasification furnace |
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Application publication date: 20190517 |