CN102607254A - Device for drying biomass fuel by using biomass power plant boiler flue gas - Google Patents
Device for drying biomass fuel by using biomass power plant boiler flue gas Download PDFInfo
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- CN102607254A CN102607254A CN2012100969552A CN201210096955A CN102607254A CN 102607254 A CN102607254 A CN 102607254A CN 2012100969552 A CN2012100969552 A CN 2012100969552A CN 201210096955 A CN201210096955 A CN 201210096955A CN 102607254 A CN102607254 A CN 102607254A
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Abstract
A device for drying biomass fuel by using biomass power plant boiler flue gas comprises a sawdust drying device and a biomass power plant boiler connected with a flue gas processing device. The sawdust drying device comprises an air blower, a frequency conversion speed adjusting electric feeding machine, a multi-ring drum dryer and a cyclone separator which are connected. The biomass power plant boiler connected with the flue gas processing device comprises the biomass power plant boiler, a bag-type dust remover, a draught fan and a chimney which are connected. A flue gas outlet of the boiler and the air blower are connected with a front bypass valve, an outlet of the cyclone separator and an inlet of the bag-type dust remover are connected with a rear bypass valve, a flue gas outlet of the boiler and an inlet of the bag-type dust remover are connected with a separation valve, an relative humidity sensor and a temperature sensor are arranged at an inlet position of the bag-type dust remover, and a control end of a frequency conversion speed adjusting motor of the frequency conversion speed adjusting electric feeding machine is connected with a controller. The device utilizes high-temperature flue gas of the biomass power plant boiler to dry sawdust, a dew-point controller is arranged in tail gas, and heat of the flue gas is utilized to the maximum extent.
Description
Technical field
The present invention relates to a kind of equipment of drying biomass fuel, particularly a kind of hot air source device of drying biomass fuel equipment.
Background technology
Biomass fuel is a kind of regenerative resource of excellence.Boiler is that the steam power plant of fuel is called biomass electric power plant with the biomass fuel.
In the biomass fuel that biomass electric power plant is used, wood chip is the most frequently used biomass fuel.The wood raw material moisture content is higher, generally is 40%～45%, and the highest also has more than 60%; The higher direct burning of wet wood chip of moisture content is difficult on fire; And water evaporates consumption of calorie in combustion process causes the actual calorific value of wood chip to reduce, and furnace temperature is difficult to reach the boiler design value; Cause boiler thermal output to reduce greatly, be primary prerequisite so wood chip is dried into; The biomass electric power plant boiler is connected with apparatus for treating flue gas such as sack cleaner, air-introduced machine and chimney, has carbon granules in the flue dust that the wood chip incomplete combustion is discharged, and is prone to sack cleaner is burnt out, and causes power plant's smoke evacuation to exceed standard and economic loss; The exhaust gas temperature of biomass electric power plant boiler generally is about 200 ℃, if directly enter atmosphere, causes energy waste unavoidably.
The oven dry wood chip can adopt the wood chip drying plant, the development of the long-range Scientific and Technical Industry Co., Ltd in LiaoNing, China Shenyang, a kind of wood chip drying plant of production.This wood chip drying plant comprises continuous air blast, electronic batcher, multi-ring drum drying machine and cyclone separator; The wood chip drying plant will have the hot air source device; The hot air source device of wood chip drying plant is a hot-blast stove; During use, consume a large amount of energy, the cost of biomass electric power plant generating is improved.
The exhaust gas temperature of biomass electric power plant boiler is higher, generally is about 200 ℃, has certain value, but flue gas be difficult to utilize, particularly as the hot air source of drying plant.In the prior art, do not utilize the equipment that utilizes biomass electric power plant boiler flue oven dry biomass fuel of power plant boiler as the hot air source device.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, propose a kind of equipment that utilizes biomass electric power plant boiler flue oven dry biomass fuel.
The present invention realizes with following method.
Invention scheme of the present invention is: be connected the equipment of wood chip oven dry in the apparatus for treating flue gas of biomass electric power plant boiler, let the hot air source device of biomass electric power plant boiler as the wood chip drying plant.
For realizing the foregoing invention scheme; Utilize the equipment of biomass electric power plant boiler flue oven dry biomass fuel to comprise wood chip drying plant and the biomass electric power plant boiler that is connected with apparatus for treating flue gas; The wood chip drying plant comprises continuous air blast, electrical variable frequency adjustable speed batcher, multi-ring drum drying machine and cyclone separator, and the biomass electric power plant boiler that is connected with apparatus for treating flue gas comprises continuous biomass electric power plant boiler, sack cleaner, air-introduced machine and chimney, and the outlet of air blast and electrical variable frequency adjustable speed batcher links to each other with the inlet of multi-ring drum drying machine; The outlet of multi-ring drum drying machine links to each other with the inlet of cyclone separator; The flue gas outlet of biomass electric power plant boiler links to each other with the inlet of sack cleaner, and the outlet of sack cleaner links to each other with the inlet of air-introduced machine, and the outlet of air-introduced machine links to each other with the inlet of chimney; Be connected with preceding bypass valve between the flue gas outlet of biomass electric power plant boiler and the inlet of air blast; Be connected with the back bypass valve between the outlet of cyclone separator and the inlet of sack cleaner, be connected with separation valve door between the flue gas outlet of biomass electric power plant boiler and the inlet of sack cleaner, relative humidity sensor and temperature sensor are installed in the sack cleaner porch; The control end of the frequency control motor of electrical variable frequency adjustable speed batcher is connected with controller; Controller has continuous single-chip microcomputer and fuzzy control appearance, and single-chip microcomputer has and can calculate corresponding dew-point temperature and export dew-point temperature Signal Processing program according to the moisture signal and the temperature signal of input, and the fuzzy control appearance has the fuzzy amplifier that can amplify the dew-point temperature signal of input and export the fuzzy control signal; Control signal after amplifying is input in the frequency converter of frequency control batcher; Thereby control material loading speed and material loading amount, promptly---when system's exhaust temperature of getting rid of was lower than dew-point temperature, material loading speed reduced; The material amount that gets into drying machine reduces; Thereby system's exhaust temperature of discharge is raise, carry out plateau up to being higher than dew-point temperature, vice versa.
During use; Current bypass valve closes with the back bypass valve, when separation valve door is opened; The flue gas that the flue gas outlet of biomass electric power plant boiler is discharged, successively through sack cleaner, air-introduced machine and chimney emptying, the biomass electric power plant boiler is for producing the normal operation of steam.
When separation valve door is closed, when preceding bypass valve and back bypass valve are opened; The flue gas that the flue gas outlet of biomass electric power plant boiler is discharged; Successively through air blast, multi-ring drum drying machine; Emptying behind cyclone separator, sack cleaner, air-introduced machine and the chimney, the biomass electric power plant boiler is for producing the normal operation of steam.
The biomass electric power plant boiler produces high-temperature flue gas when operation; The electrical variable frequency adjustable speed batcher is discharged wet wood chip quantitatively; Air blast is mixed into Dual-Phrase Distribution of Gas olid to high-temperature flue gas and wet wood chip and is blown in the multi-ring drum drying machine; Wet wood chip contacts with high-temperature flue gas at multi-ring drum drying machine is dried, and flue gas becomes the low temperature moisture that is higher than dew point, and the wood chip of oven dry and low temperature moisture are discharged from the discharging opening of multi-ring drum drying machine and got into cyclone separator; The low temperature moisture is discharged from the air outlet of cyclone separator upper end and is got into behind the sack cleaner by air-introduced machine sucking-off emptying; The wood chip of oven dry is discharged from the discharging opening of cyclone separator lower end, is used for the fuel as the biomass electric power plant boiler, lets the biomass electric power plant boiler for producing the normal operation of steam.
When the biomass electric power plant boiler normally moves for producing steam,, should reduce exhaust gas temperature as much as possible, but exhaust gas temperature can not be lower than the dew-point temperature of tail gas in order to maximally utilise the heat of flue gas.The present invention has relative humidity sensor and the temperature sensor of installing in the sack cleaner porch, frequency control
The control end of the frequency control motor of moving batcher is connected with controller; Controller has continuous single-chip microcomputer and fuzzy control appearance; Single-chip microcomputer has and can calculate corresponding dew-point temperature and export dew-point temperature Signal Processing program according to the moisture signal and the temperature signal of input, and the fuzzy control appearance has the fuzzy amplifier that can amplify the dew-point temperature signal of input and export the fuzzy control signal.When the single-chip microcomputer in the controller is calculated corresponding dew-point temperature and is lower than dew-point temperature according to moisture signal and the temperature signal of input; The control signal that the output of fuzzy control appearance is amplified; Let the material loading speed of electrical variable frequency adjustable speed batcher reduce, because flue tolerance and temperature are certain, so the effluent gas temperature of getting rid of from drying machine will rise; After exhaust gas temperature was higher than dew-point temperature, the moving batcher of frequency control got into normal stability program.Make exhaust gas temperature be higher than dew-point temperature all the time, maximally utilise the heat of flue gas.
The present invention with the biomass electric power plant boiler as the hot air source device; The high-temperature flue gas oven dry wood chip that utilizes the biomass electric power plant boiler to discharge; Maximally utilised the heat of high-temperature flue gas; Saved mass energy, the wood chip of oven dry has improved the efficiency of combustion of wood chip in boiler as the fuel of biomass electric power plant boiler.
Below in conjunction with accompanying drawing, the present invention is done explanation further.
Description of drawings
Fig. 1 utilizes the master of the equipment of biomass electric power plant boiler flue oven dry biomass fuel to look sketch map according to a kind of of invention scheme proposition of the present invention.
The specific embodiment
Among Fig. 1; Utilize the equipment of biomass electric power plant boiler flue oven dry biomass fuel to comprise wood chip drying plant 1 and the biomass electric power plant boiler 2 that is connected with apparatus for treating flue gas; The wood chip drying plant comprises continuous air blast 3, electrical variable frequency adjustable speed batcher 4, multi-ring drum drying machine 5 and cyclone separator 6; The biomass electric power plant boiler that is connected with apparatus for treating flue gas comprises continuous biomass electric power plant boiler 7, sack cleaner 8, air-introduced machine 9 and chimney 10; The outlet of air blast and electrical variable frequency adjustable speed batcher links to each other with the inlet of multi-ring drum drying machine; The outlet of multi-ring drum drying machine links to each other with the inlet of cyclone separator; The flue gas outlet of biomass electric power plant boiler links to each other with the inlet of sack cleaner, and the outlet of sack cleaner links to each other with the inlet of air-introduced machine, and the outlet of air-introduced machine links to each other with the inlet of chimney; Bypass valve 11 before being connected with between the flue gas outlet of biomass electric power plant boiler and the inlet of air blast; Be connected with back bypass valve 12 between the outlet of cyclone separator and the inlet of sack cleaner, be connected with separation valve door 13 between the flue gas outlet of biomass electric power plant boiler and the inlet of sack cleaner, relative humidity sensor and temperature sensor 14 are installed in the sack cleaner porch; The control end of the frequency control motor of electrical variable frequency adjustable speed batcher is connected with controller 15; Controller has continuous single-chip microcomputer and fuzzy control appearance, and single-chip microcomputer has and can calculate corresponding dew-point temperature and export dew-point temperature Signal Processing program according to the moisture signal and the temperature signal of input, and the fuzzy control appearance has the fuzzy amplifier that can amplify the dew-point temperature signal of input and export the fuzzy control signal.
Claims (1)
1. equipment that utilizes biomass electric power plant boiler flue oven dry biomass fuel; Comprise wood chip drying plant and the biomass electric power plant boiler that is connected with apparatus for treating flue gas; The wood chip drying plant comprises continuous air blast, electrical variable frequency adjustable speed batcher, multi-ring drum drying machine and cyclone separator, and the biomass electric power plant boiler that is connected with apparatus for treating flue gas comprises continuous biomass electric power plant boiler, sack cleaner, air-introduced machine and chimney, and the outlet of air blast and electrical variable frequency adjustable speed batcher links to each other with the inlet of multi-ring drum drying machine; The outlet of multi-ring drum drying machine links to each other with the inlet of cyclone separator; The flue gas outlet of biomass electric power plant boiler links to each other with the inlet of sack cleaner, and the outlet of sack cleaner links to each other with the inlet of air-introduced machine, and the outlet of air-introduced machine links to each other with the inlet of chimney; It is characterized in that: be connected with preceding bypass valve between the flue gas outlet of biomass electric power plant boiler and the inlet of air blast; Be connected with the back bypass valve between the outlet of cyclone separator and the inlet of sack cleaner, be connected with separation valve door between the flue gas outlet of biomass electric power plant boiler and the inlet of sack cleaner, relative humidity sensor and temperature sensor are installed in the sack cleaner porch; The control end of the frequency control motor of electrical variable frequency adjustable speed batcher is connected with controller; Controller has continuous single-chip microcomputer and fuzzy control appearance, and single-chip microcomputer has and can calculate corresponding dew-point temperature and export dew-point temperature Signal Processing program according to the moisture signal and the temperature signal of input, and the fuzzy control appearance has the fuzzy amplifier that can amplify the dew-point temperature signal of input and export the fuzzy control signal; Control signal after amplifying is input in the frequency converter of frequency control batcher; Thereby control material loading speed and material loading amount, promptly---when system's exhaust temperature of getting rid of was lower than dew-point temperature, material loading speed reduced; The material amount that gets into drying machine reduces; Thereby system's exhaust temperature of discharge is raise, carry out plateau up to being higher than dew-point temperature, vice versa.
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| CN2012100969552A CN102607254A (en) | 2012-04-05 | 2012-04-05 | Device for drying biomass fuel by using biomass power plant boiler flue gas |
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| CN2012100969552A CN102607254A (en) | 2012-04-05 | 2012-04-05 | Device for drying biomass fuel by using biomass power plant boiler flue gas |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315832A (en) * | 2014-08-26 | 2015-01-28 | 江苏新沂沪千人造板制造有限公司 | Device for recycling heat energy of boiler flue gas |
| CN104567335A (en) * | 2015-01-27 | 2015-04-29 | 中国能源建设集团江苏省电力设计院有限公司 | System and technological method for drying coal slime by high-temperature flue gas of power station |
| CN106440703A (en) * | 2016-10-21 | 2017-02-22 | 浙江大学 | Device and method for drying waste wood through flue gas waste heat of circulating fluidized bed boiler |
| CN106766760A (en) * | 2017-01-25 | 2017-05-31 | 九三粮油工业集团有限公司 | A kind of bean dregs drying plant |
| CN108870899A (en) * | 2018-06-28 | 2018-11-23 | 重庆化医太湖锅炉股份有限公司 | A kind of roller drying process system |
| CN110608600A (en) * | 2019-10-24 | 2019-12-24 | 广西霄能绿色科技有限公司 | Method for drying biomass crude wet fuel by using waste heat of boiler exhaust gas and drying equipment |
| CN112413578A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Biological generator set |
| CN112413623A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Flue smoke discharging system |
| CN112588059A (en) * | 2020-11-25 | 2021-04-02 | 安化华晟生物能源有限责任公司 | Flue gas treatment system |
| JP7089617B1 (en) | 2021-04-23 | 2022-06-22 | 三菱重工パワーインダストリー株式会社 | Woody biomass fuel drying equipment and drying system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046265A (en) * | 1989-12-04 | 1991-09-10 | Kalb G William | Method and system for reducing the moisture content of sub-bituminous coals and the like |
| CN201068344Y (en) * | 2007-06-22 | 2008-06-04 | 刘孝武 | Petroleum coke breeze combustion transmission device for industrial furnace |
| CN101224358A (en) * | 2007-01-18 | 2008-07-23 | 张大伟 | Active carbocoal filtering adsorption material processing equipment |
| CN201269688Y (en) * | 2008-09-05 | 2009-07-08 | 常州市范群干燥设备有限公司 | Explosion-proof drying machine |
| CN201500555U (en) * | 2009-09-28 | 2010-06-09 | 西安建筑科技大学 | Ultrafine powder preparation device |
| CN201529567U (en) * | 2009-10-23 | 2010-07-21 | 河南理工大学 | Permanent magnetic roll type magnetic separating apparatus |
| CN101915497A (en) * | 2010-08-13 | 2010-12-15 | 辽宁中田干燥设备制造有限公司 | Lignite-drying and quality-improving process for preparing superheated steam from waste heat steam |
| CN102345967A (en) * | 2011-08-31 | 2012-02-08 | 南宁吉然糖业技术有限公司 | Multi-level impulse bagasse drying system |
| CN202141309U (en) * | 2011-06-07 | 2012-02-08 | 郑水成 | Integration device of biomass fuel burning and residual-heat utilization |
-
2012
- 2012-04-05 CN CN2012100969552A patent/CN102607254A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046265A (en) * | 1989-12-04 | 1991-09-10 | Kalb G William | Method and system for reducing the moisture content of sub-bituminous coals and the like |
| CN101224358A (en) * | 2007-01-18 | 2008-07-23 | 张大伟 | Active carbocoal filtering adsorption material processing equipment |
| CN201068344Y (en) * | 2007-06-22 | 2008-06-04 | 刘孝武 | Petroleum coke breeze combustion transmission device for industrial furnace |
| CN201269688Y (en) * | 2008-09-05 | 2009-07-08 | 常州市范群干燥设备有限公司 | Explosion-proof drying machine |
| CN201500555U (en) * | 2009-09-28 | 2010-06-09 | 西安建筑科技大学 | Ultrafine powder preparation device |
| CN201529567U (en) * | 2009-10-23 | 2010-07-21 | 河南理工大学 | Permanent magnetic roll type magnetic separating apparatus |
| CN101915497A (en) * | 2010-08-13 | 2010-12-15 | 辽宁中田干燥设备制造有限公司 | Lignite-drying and quality-improving process for preparing superheated steam from waste heat steam |
| CN202141309U (en) * | 2011-06-07 | 2012-02-08 | 郑水成 | Integration device of biomass fuel burning and residual-heat utilization |
| CN102345967A (en) * | 2011-08-31 | 2012-02-08 | 南宁吉然糖业技术有限公司 | Multi-level impulse bagasse drying system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315832A (en) * | 2014-08-26 | 2015-01-28 | 江苏新沂沪千人造板制造有限公司 | Device for recycling heat energy of boiler flue gas |
| CN104567335A (en) * | 2015-01-27 | 2015-04-29 | 中国能源建设集团江苏省电力设计院有限公司 | System and technological method for drying coal slime by high-temperature flue gas of power station |
| CN106440703A (en) * | 2016-10-21 | 2017-02-22 | 浙江大学 | Device and method for drying waste wood through flue gas waste heat of circulating fluidized bed boiler |
| CN106766760A (en) * | 2017-01-25 | 2017-05-31 | 九三粮油工业集团有限公司 | A kind of bean dregs drying plant |
| CN108870899A (en) * | 2018-06-28 | 2018-11-23 | 重庆化医太湖锅炉股份有限公司 | A kind of roller drying process system |
| CN110608600A (en) * | 2019-10-24 | 2019-12-24 | 广西霄能绿色科技有限公司 | Method for drying biomass crude wet fuel by using waste heat of boiler exhaust gas and drying equipment |
| CN112413578A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Biological generator set |
| CN112413623A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Flue smoke discharging system |
| CN112588059A (en) * | 2020-11-25 | 2021-04-02 | 安化华晟生物能源有限责任公司 | Flue gas treatment system |
| CN112588059B (en) * | 2020-11-25 | 2022-06-24 | 安化华晟生物能源有限责任公司 | Flue gas treatment system |
| CN112413623B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Flue smoke exhaust system |
| CN112413578B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Biological generator set |
| JP7089617B1 (en) | 2021-04-23 | 2022-06-22 | 三菱重工パワーインダストリー株式会社 | Woody biomass fuel drying equipment and drying system |
| JP2022167359A (en) * | 2021-04-23 | 2022-11-04 | 三菱重工パワーインダストリー株式会社 | Drying device for woody biomass fuel, and drying system |
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Application publication date: 20120725 |