CN102425787A - Liquid slag trapping biomass combustion device and method - Google Patents

Liquid slag trapping biomass combustion device and method Download PDF

Info

Publication number
CN102425787A
CN102425787A CN2011103947635A CN201110394763A CN102425787A CN 102425787 A CN102425787 A CN 102425787A CN 2011103947635 A CN2011103947635 A CN 2011103947635A CN 201110394763 A CN201110394763 A CN 201110394763A CN 102425787 A CN102425787 A CN 102425787A
Authority
CN
China
Prior art keywords
combustion chamber
combustion
biomass
slag
heat boiler
Prior art date
Application number
CN2011103947635A
Other languages
Chinese (zh)
Other versions
CN102425787B (en
Inventor
郎威
王庆功
蒋文斌
吕俊复
Original Assignee
沈阳汇丰生物能源发展有限公司
清华大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 沈阳汇丰生物能源发展有限公司, 清华大学 filed Critical 沈阳汇丰生物能源发展有限公司
Priority to CN201110394763.5A priority Critical patent/CN102425787B/en
Publication of CN102425787A publication Critical patent/CN102425787A/en
Application granted granted Critical
Publication of CN102425787B publication Critical patent/CN102425787B/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention relates to a liquid slag tapping biomass combustion device and a method, which belongs to the combustion technical field of the biomass. The device comprises a biomass combustion furnace, a surplus heat boiler and a flue on the tail part of the surplus heat boiler. A secondary draught port is horizontally and obliquely arranged on the upper part of a combustion part of the biomass combustion furnace, a smoke outlet on the bottom part of the combustion chamber is provided with a row of screen pipes, and the top part of each screen pipe is provided with slag trapping eaves to effectively screen the slag. The method comprises the following steps that: air is sent into the combustion chamber through the secondary draught port in a cyclone way after being preheated to 150 to 400 DEG C, the temperature of the combustion chamber is rapidly increased to 1300 DEG C, biomass slag is molten, so the slag tapping is realized, heat exchange is adequately conducted between smoke and an inner heated surface of a surplus heat boiler hearth, the temperature of the smoke is decreased to 500 DEG C to enter the tail flue, and the exhausted smoke is pumped by a draught fan after the temperature is decreased to 120 to 150 DEG C. The device has a simple and reasonable structure, the biomass combustion slag tapping can be adequately realized through the method, the smoke is clean, and the problems such as dust accumulation, coking, corrosion and the like inside the boiler caused by the low melting point of the biomass dust can be solved.

Description

A kind of slag tap biomass combustion device and method
Technical field
The present invention relates to a kind of slag tap biomass combustion device and method, belong to the biomass combustion technical field.
Background technology
Along with fossil energy in the world wide constantly reduces and domestic oil price, coal price constantly soaring, China calls and taps a new source of energy present stage energetically, is faced with huge CO simultaneously 2Emission reduction tasks.Biomass energy has huge advantage in these areas, and China's biomass resource is abundant, and annual production is about about 1,000,000,000 tons, and always amount to standard coal and can reach 500,000,000 tons, and biomass combustion CO 2Be near-zero release, the SO that is produced xAnd NO xAlso seldom, thereby have a wide range of applications.
Yet in the living beings because of being rich in elements such as K, Na, Cl; Formed lime-ash ash fusion point is lower behind the biomass combustion, generally between 950-1100 ℃, very easily melts and coking on bonding or fluidized bed air distribution plate on the heating surface in the combustion process; Have a strong impact on the normal operation of boiler plant; Significantly reduce the heat-transfer effect of boiler, and the chlorine corrosion phenomenon is serious, these problems are restricting the development of biomass combustion always for a long time.
To above problem; Industry is being inquired into always; Many people attempt the scheme and the technology of seeking to solve from the direction that improves the living beings ash fusion point; Like the disclosed a kind of biomass solid forming fuel additive of Chinese patent CN101550374A, sought several kinds of different formulations that improve living beings ash fusion point additive, this additive is by Al 2O 3, Fe 2O 3Form with kaolin, but the scheme that this patent disclosed has increased the making difficulty and the use cost of biomass molding fuel greatly, large-scale application is still waiting technological break-through.
Summary of the invention
The present invention is directed to present stage living beings and be rich in chlorine and alkali metal and the ash fusion point that causes is low, corrosion and coking problem; A kind of slag tap biomass combustion device and method is proposed; Living beings lime-ash fusing in the combustion process, realization slag tap; The dust contained flue gas rate that gets into outside burner hearth is low, efficiently solves problems such as heated surface corrosion and slagging scorification.
Technical scheme of the present invention is: a kind of slag tap biomass combustion device; Contain biomass combustion stove and charging gear, it is characterized in that: said biomass combustion stove comprises charging aperture, combustion chamber, remittance grit chamber, gas fume of combustion chamber outlet, furnace wall and overfiren air port; The contraction section of lower end, said combustion chamber is for converging the grit chamber, and remittance bottom, grit chamber is provided with the granulation water tank; Said charging aperture is positioned at the top of combustion chamber; Said overfiren air port is positioned on the furnace wall on top, combustion chamber; Said gas fume of combustion chamber outlet is positioned at the bottom, combustion chamber and converges the junction of grit chamber; The gas fume of combustion chamber exit is provided with row's screen tube, and the top of screen tube is provided with the pushing off the slag eaves; This biomass combustion device also comprises waste heat boiler and back-end ductwork; Said waste heat boiler is connected with the gas fume of combustion chamber outlet through horizontal flue; In waste heat boiler, be furnished with furnace wall cooling, be hung with superheater in the burner hearth of waste heat boiler, the bottom of waste heat boiler is provided with sealing radiator; Air preheater outlet in the said back-end ductwork is connected through pipeline with overfiren air port, and back-end ductwork is provided with air-introduced machine outward.
Another technical characterictic of the present invention is: said screen tube is to be extended to have loose bowels by the pipe row bending of the furnace wall cooling of waste heat boiler to form.If the inwall of combustion chamber is provided with the combustion chamber water-cooling wall, screen tube is then had loose bowels by the combustion chamber water-cooling wall and is formed.
Another technical characterictic of the present invention is: said overfiren air port is the air port of four annular spread, and is the horizontal tilt layout, and tilt angle alpha is 30-60 °.Said pushing off the slag eaves is to be made up of symmetric arrangement and two downward-sloping eaves, and the angle β of two eaves and horizontal plane is 5-15 °, and welding-on is on the inwall of combustion chamber; Pushing off the slag eaves span H is greater than the width L of gas fume of combustion chamber outlet.
Said superheater is formed by cold screen of vapour or coiled pipe, is furnished with soot blower between screen.Said charging gear is the piston material pushing device.
Technical scheme of the present invention also provides a kind of slag tap biomass fuel firing method that adopts said device, and this method comprises the steps:
1) biomass fuel is sent into through charging aperture in the combustion chamber of biomass combustion stove, and the air preheater of secondary wind air in the waste heat boiler back-end ductwork is preheating to 150-400 ℃, sends in the combustion chamber through the overfiren air port eddy flow on top, combustion chamber;
2) biomass fuel forms swirl flow combustion in the combustion chamber under the drive of swirl secondary air, and ignition temperature is 1200~1400 ℃, and the living beings lime-ash promptly melts, and forms molten slag;
3) molten slag is flowed by eddy flow and gets rid of to the combustion chamber inwall, flows into the granulation water tank;
4) flue gas gets in the waste heat boiler through the gas fume of combustion chamber outlet and carries out heat exchange with furnace heating surface, and the flue gas that gets into back-end ductwork is reduced to 480-520 ℃, and the slag in the waste heat boiler burner hearth falls into sealing radiator;
5) flue gas is reduced to 120-150 ℃ and is discharged through air-introduced machine in back-end ductwork with after the convection heating surface heat exchange.
In the said method, excess air coefficient is 1.0~1.2 in the combustion chamber of said biomass combustion stove.
Advantage of the present invention is: 1. ignition temperature is high; Biomass combustion is realized slag tap smoothly; Ponder a problem thereby avoided leaving for from the direction that improves the living beings ash fusion point; Most of liquid slag become trapped in granulation water tank and sealing radiator, has reduced the flue gas slag-containing rate, and the lime-ash that captures is convenient to second use; 2. the melt cinder shunting that the pushing off the slag eaves of arranging on the outlet of the gas fume of combustion chamber of biomass combustion stove effectively will drop down down; Avoided too much carrying of combustor exit flue gas; Add the capture effect of row's screen tube of upper smoke outlet; Make low, the cleaning of flue gas of dust contained flue gas rate in the entering waste heat boiler, thereby solved the problems such as dust stratification, slagging scorification and corrosion on waste heat boiler and the back-end ductwork internal heating surface largely; 3. whole flow of flue gas is driven by the tail flue gas air-introduced machine, is negative pressure state in biomass combustion stove and the waste heat boiler, and operation is on-the-spot clean, and security of operation is wind one time with the charging leaked-in air; 4. fuel used is living beings bulk cargo bag, and the fuel preliminary treatment is simple, and packing and cost of transportation are lower, and charging gear is the piston type material-pulling device, and feed is simple.
Description of drawings
Fig. 1 is the structural representation schematic diagram of slag tap biomass combustion device provided by the invention.
Fig. 2 is the A-A cutaway view of Fig. 1, has expressed slag tap biomass combustion device overfiren air port structures arranged.
Fig. 3 is the partial sectional view of gas fume of combustion chamber outlet and pushing off the slag eaves.
Among the figure: 1-biomass combustion stove; The 2-combustion chamber; 3-converges the grit chamber; The outlet of 4-gas fume of combustion chamber; 5-granulation water tank; The 6-furnace wall; 7-pushing off the slag eaves; The 8-overfiren air port; 9-piston material pushing device; The 10-screen tube; The 11-charging aperture; The 12-waste heat boiler; The 13-horizontal flue; The 14-furnace wall cooling; The 15-sealing radiator; The 16-superheater; The 17-back-end ductwork; The 18-air-introduced machine.
The specific embodiment
Further specify principle of the present invention, concrete structure and preferred forms below in conjunction with accompanying drawing.
Fig. 1 is the structural representation schematic diagram of slag tap biomass combustion device provided by the invention; This device contains biomass combustion stove 1 and charging gear, and biomass combustion stove 1 comprises charging aperture 11, combustion chamber 2, remittance grit chamber 3, gas fume of combustion chamber outlet 4, furnace wall 6 and overfiren air port 8; The contraction section of 2 lower ends, combustion chamber is for converging grit chamber 3, and remittance 3 bottoms, grit chamber are provided with granulation water tank 5, is used to collect the liquid slag of dropping down from remittance grit chamber 3; Charging aperture 11 is positioned at the top of combustion chamber 2; Overfiren air port 8 is positioned on the furnace wall on 2 tops, combustion chamber; Gas fume of combustion chamber outlet 4 is positioned at 2 bottoms, combustion chamber and converges the junction of grit chamber 3; Gas fume of combustion chamber exports 4 places and is provided with row's screen tube 10; Be used to capture the slag that the outlet flue gas carries; The purge outlet flue gas, combustion chamber 2 can be designed to adiabatic space, the interior heating surfaces such as water-cooling wall of not arranging; Under this embodiment, the pipe of the furnace wall cooling 14 of the waste heat boiler 12 that screen tube 10 is row bending extension is had loose bowels and is formed; Also can be furnished with water wall surface in the combustion chamber 2, under this embodiment, 10 combustion chamber water-cooling walls by biomass combustion stove 1 of screen tube are had loose bowels and are formed; The top of screen tube 10 is provided with pushing off the slag eaves 7; Charging gear is a piston material pushing device 9, is used for living beings bulk cargo bag in charging aperture 1 is sent into combustion chamber 2; This biomass combustion device also comprises waste heat boiler 12 and back-end ductwork 17; Waste heat boiler 12 is connected with gas fume of combustion chamber outlet 4 through horizontal flue 13, in waste heat boiler 12, is furnished with furnace wall cooling 14, is hung with superheater 16 in the burner hearth of waste heat boiler 12; Superheater 16 is formed by cold screen of vapour or coiled pipe; Apart from broad and be furnished with soot blower, be used for intermittently superheater 16 being blown ash and cleaning between two screens, flue gas is through the heat exchange of furnace wall cooling 14 and superheater 16; The flue-gas temperature that gets into back-end ductwork 17 has only about 500 ℃, has effectively avoided the slagging scorification and the corrosion of back-end ductwork 17 internal heating surfaces; The bottom of waste heat boiler 12 is provided with sealing radiator 15, be used to collect in the burner hearth 12 flue gases through physical separation with blow the lime-ash that ash falls; Air preheaters outlet in the back-end ductwork 17 and overfiren air port 8 are connected through pipeline; Secondary wind is sent in the combustion chamber 2 through overfiren air port 8 after the air preheater preheating; The back-end ductwork 17 outer air-introduced machines 18 that are provided with; The flow of flue gas of whole cooker furnace apparatus provides power by the swabbing action of air-introduced machine 18, has formed the negative pressure operation in the stove.
Fig. 2 has expressed slag tap biomass combustion device overfiren air port structures arranged; Overfiren air port 8 can be arranged a plurality of, generally adopts the air port of four annular spread, and is the horizontal tilt layout; Tilt angle alpha is 30-60 °; Can in the combustion chamber, form the tangential swirl burning, make sufficient combustion, the burning indoor temperature raises rapidly and maintains about 1300 ℃.
As shown in Figure 3, stating pushing off the slag eaves 7 is to be made up of symmetric arrangement and two downward-sloping eaves, and inclination angle beta is 5-15 °, and welding-on is on the inwall of combustion chamber 2; Pushing off the slag eaves 7 span H are greater than the width L of gas fume of combustion chamber outlet 4; In order to the molten slag shunting that will gutter down along inwall, walk around gas fume of combustion chamber outlet 4 and get into and converge grit chamber 3, avoid flow through gas fume of combustion chamber outlet 4 and carried of slag by smoke evacuation; Two eaves inclination angle beta of pushing off the slag eaves 11 are 5-15 °; The slag that guarantees shunting can drop down from both sides smoothly, and pushing off the slag eaves 11 span H mainly are that the slag that guarantees shunting gets around gas fume of combustion chamber outlet 4 fully greater than the width L of gas fume of combustion chamber outlet 4.
Operation principle of the present invention: during use; The biomass fuel bag is constantly sent in the combustion chamber 2 of biomass combustion stove 1 by piston material pushing device 9 through charging aperture 11; The swabbing action of tail flue gas air-introduced machine 18 makes in biomass combustion stove 1 and the waste heat boiler 12 and is negative pressure state; Charging aperture 1 constantly has air to bleed, and is used for burning.The secondary wind air is preheating to 150-400 ℃ by air preheater in the back-end ductwork 17 of waste heat boiler 12; Overfiren air port 8 eddy flows through 2 tops, combustion chamber are sent in the combustion chamber 2; 2 excess air coefficients reach 1.0~1.2 in the combustion chamber, and biomass fuel is forming swirl flow combustion in combustion chamber 2 under the drive of swirl secondary air, and ignition temperature is 1200~1400 ℃; The living beings lime-ash promptly melts, and forms molten slag.Molten slag is flowed by eddy flow and gets rid of to combustion chamber 2 inwalls, flows into granulation water tank 5 and is captured down.The flue gas that is produced exports 4 discharge combustion chambers 2 through gas fume of combustion chamber; Pushing off the slag eaves 7 will 2 inwalls flow down along the combustion chamber the slag shunting walk around gas fume of combustion chamber outlet 4; Avoid exporting too much carrying of flue gas, constantly capture and screen tube 10 will export the slag that carries in the flue gas.Flue gas gets in the waste heat boiler 12 and carries out heat exchange with furnace wall cooling and pendant superheater 16, and the flue gas that gets into back-end ductwork 17 is reduced to 480-520 ℃.Superheater 16 is equipped with the selective sootblowing device, in waste heat boiler 12 burner hearths by physical separation with blow the lime-ash that ash falls and fall in the sealing radiator 15.The flue gas that temperature is lower and slag-containing rate is very low gets into back-end ductwork 17, has effectively avoided dust stratification, coking and the corrosion etc. of convection heating surface in the back-end ductwork 17.Flue gas is reduced to 120-150 ℃ through air-introduced machine 18 discharges in back-end ductwork 17 with after the convection heating surface heat exchange.
The present invention is simple in structure, and is easy to operate, and efficiency of combustion is high, to the lower biomass fuel combustion of ash fusion point, has reasonably solved difficult problems such as its coking and corrosion.

Claims (9)

1. slag tap biomass combustion device; Contain biomass combustion stove (1) and charging gear, it is characterized in that: said biomass combustion stove (1) comprises charging aperture (11), combustion chamber (2), remittance grit chamber (3), gas fume of combustion chamber outlet (4), furnace wall (6) and overfiren air port (8); The contraction section of lower end, combustion chamber (2) is for converging grit chamber (3), and remittance bottom, grit chamber (3) is provided with granulation water tank (5); Charging aperture (11) is positioned at the top of combustion chamber (2); Said overfiren air port (8) is positioned on the furnace wall on top, combustion chamber (2); Gas fume of combustion chamber outlet (4) is positioned at bottom, combustion chamber (2) and converges the junction of grit chamber (3); Gas fume of combustion chamber outlet (4) locates to be provided with row's screen tube (10), and the top of screen tube (10) is provided with pushing off the slag eaves (7); This biomass combustion device also comprises waste heat boiler (12) and back-end ductwork (17); Said waste heat boiler (12) is connected with gas fume of combustion chamber outlet (4) through horizontal flue (13); In waste heat boiler (12), be furnished with furnace wall cooling (14); Be hung with superheater (16) in the burner hearth of waste heat boiler (12), the bottom of waste heat boiler (12) is provided with sealing radiator (15); Air preheater outlet in the said back-end ductwork (17) is connected through pipeline with overfiren air port (8), the outer air-introduced machine (18) that is provided with of back-end ductwork (17).
2. a kind of slag tap biomass combustion device according to claim 1 is characterized in that: said screen tube (10) is to be extended to have loose bowels by the pipe row bending of the furnace wall cooling (14) of waste heat boiler (12) to form.
3. a kind of slag tap biomass combustion device according to claim 1, it is characterized in that: the inwall of said combustion chamber (2) is provided with the combustion chamber water-cooling wall, and said screen tube (10) is had loose bowels by the combustion chamber water-cooling wall of biomass combustion stove (1) and is formed.
4. according to claim 1,2 or 3 described a kind of slag tap biomass combustion devices, it is characterized in that: said overfiren air port (8) is the air port of four annular spread, and is the horizontal tilt layout, and tilt angle alpha is 30-60 °.
5. a kind of slag tap biomass combustion device according to claim 4 is characterized in that: said pushing off the slag eaves (7) is to be made up of symmetric arrangement and two downward-sloping eaves, and inclination angle beta is 5-15 °, and welding-on is on the inwall of combustion chamber (2); Pushing off the slag eaves (7) span H is greater than the width L of gas fume of combustion chamber outlet (4).
6. a kind of slag tap biomass combustion device according to claim 1, it is characterized in that: said superheater (16) is formed by cold screen of vapour or coiled pipe, is furnished with soot blower between screen.
7. a kind of slag tap biomass combustion device according to claim 1 is characterized in that: said charging gear is piston material pushing device (9).
8. the slag tap biomass fuel firing method that employing is installed according to claim 1 is characterized in that this method comprises the steps:
1) biomass fuel is sent into through charging aperture in the combustion chamber of biomass combustion stove, and the air preheater of air in the waste heat boiler back-end ductwork is preheating to 150-400 ℃, sends in the combustion chamber through the overfiren air port eddy flow on top, combustion chamber;
2) biomass fuel forms swirl flow combustion in the combustion chamber under the drive of swirl secondary air, and ignition temperature is 1200~1400 ℃, and the living beings lime-ash promptly melts, and forms molten slag;
3) molten slag is flowed by eddy flow and gets rid of to the combustion chamber inwall, flows into the granulation water tank;
4) flue gas gets in the waste heat boiler through the gas fume of combustion chamber outlet and carries out heat exchange with furnace heating surface, and the flue gas that gets into back-end ductwork is reduced to 480-520 ℃, and the slag in the waste heat boiler burner hearth falls into sealing radiator;
5) flue gas is reduced to 120-150 ℃ and is discharged through air-introduced machine in back-end ductwork with after the convection heating surface heat exchange.
9. slag tap biomass fuel firing method according to claim 8 is characterized in that: excess air coefficient is 1.0~1.2 in the combustion chamber of said biomass combustion stove.
CN201110394763.5A 2011-12-02 2011-12-02 Liquid slag trapping biomass combustion device and method CN102425787B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110394763.5A CN102425787B (en) 2011-12-02 2011-12-02 Liquid slag trapping biomass combustion device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110394763.5A CN102425787B (en) 2011-12-02 2011-12-02 Liquid slag trapping biomass combustion device and method

Publications (2)

Publication Number Publication Date
CN102425787A true CN102425787A (en) 2012-04-25
CN102425787B CN102425787B (en) 2014-05-07

Family

ID=45959799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110394763.5A CN102425787B (en) 2011-12-02 2011-12-02 Liquid slag trapping biomass combustion device and method

Country Status (1)

Country Link
CN (1) CN102425787B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102997249A (en) * 2012-10-24 2013-03-27 李国峰 Utilization method and device of gas making coal ash
CN103175224A (en) * 2013-04-16 2013-06-26 陈立德 Energy-saving furnace
CN105737140A (en) * 2016-03-22 2016-07-06 烟台龙源电力技术股份有限公司 Cyclone combustion apparatus, combustion device and combustion method
CN105861060A (en) * 2016-04-12 2016-08-17 河北天善生物技术有限公司 Boiler system using biomass fuel gas
CN111351030A (en) * 2020-03-25 2020-06-30 济南黄台煤气炉有限公司 Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler
CN111849559A (en) * 2020-07-27 2020-10-30 哈尔滨工业大学 Combined deslagging device of coal gasification system and application method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58193004A (en) * 1982-05-07 1983-11-10 Mitsubishi Heavy Ind Ltd Combustion apparatus for mhd generation using coal
CN1068642A (en) * 1991-04-15 1993-02-03 株式会社荏原制作所 Incinerator
CN2585051Y (en) * 2002-11-19 2003-11-05 上海开能新技术工程有限公司 Rotary furnace type town refuse pyrolysing gasification burning treatment device
CN101055082A (en) * 2007-05-25 2007-10-17 东南大学 Straw low temperature gasification melt-combustion method
CN201177256Y (en) * 2008-03-25 2009-01-07 傅宁娟 Cyclone furnace combustion biomass for replacing oil
CN202361361U (en) * 2011-12-02 2012-08-01 沈阳汇丰生物能源发展有限公司 Liquid deslagging biomass combustion device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58193004A (en) * 1982-05-07 1983-11-10 Mitsubishi Heavy Ind Ltd Combustion apparatus for mhd generation using coal
CN1068642A (en) * 1991-04-15 1993-02-03 株式会社荏原制作所 Incinerator
CN2585051Y (en) * 2002-11-19 2003-11-05 上海开能新技术工程有限公司 Rotary furnace type town refuse pyrolysing gasification burning treatment device
CN101055082A (en) * 2007-05-25 2007-10-17 东南大学 Straw low temperature gasification melt-combustion method
CN201177256Y (en) * 2008-03-25 2009-01-07 傅宁娟 Cyclone furnace combustion biomass for replacing oil
CN202361361U (en) * 2011-12-02 2012-08-01 沈阳汇丰生物能源发展有限公司 Liquid deslagging biomass combustion device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102997249A (en) * 2012-10-24 2013-03-27 李国峰 Utilization method and device of gas making coal ash
CN102997249B (en) * 2012-10-24 2015-11-25 李国峰 Gas making utilization of fly ash method and apparatus
CN103175224A (en) * 2013-04-16 2013-06-26 陈立德 Energy-saving furnace
CN105737140A (en) * 2016-03-22 2016-07-06 烟台龙源电力技术股份有限公司 Cyclone combustion apparatus, combustion device and combustion method
CN105737140B (en) * 2016-03-22 2019-12-24 烟台龙源电力技术股份有限公司 Cyclone combustion device, combustion equipment and combustion method
CN105861060A (en) * 2016-04-12 2016-08-17 河北天善生物技术有限公司 Boiler system using biomass fuel gas
CN105861060B (en) * 2016-04-12 2019-03-22 河北天善生物技术有限公司 Utilize the boiler system of biological fuel gas
CN111351030A (en) * 2020-03-25 2020-06-30 济南黄台煤气炉有限公司 Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler
CN111849559A (en) * 2020-07-27 2020-10-30 哈尔滨工业大学 Combined deslagging device of coal gasification system and application method thereof

Also Published As

Publication number Publication date
CN102425787B (en) 2014-05-07

Similar Documents

Publication Publication Date Title
CN101949535B (en) Low-ratio biomass circulating fluidized bed boiler and combustion method thereof
CN202254893U (en) Flue gas radiation-type waste heat boiler recovery system for electric arc furnace
CN202141195U (en) Vacuum hot water boiler with waste heat recycling device
CN201203263Y (en) Tube arranging type hot-air stove
CN101545676B (en) High-efficiency energy-saving emission-reduction circulating fluid bed organic heat carrier boiler
CN102168857B (en) High-concentration saliferous organic waste liquid incinerator and incineration technique
US10125974B2 (en) Fluidized-bed boiler integrating multifunctional inertia-gravity separator with multiple furnace profiles
CN203605455U (en) Double-stage separation efficient clean fluidized bed coal hot air furnace
CN102125982B (en) Full-counterflow heat exchange two-section type casting waste sand roasting furnace
CN106196023B (en) One kind cleaning burning coal CFBB
CN105953231B (en) A kind of high parameter garbage burning boiler with reheating
CN102506439B (en) Method for blowing soot for waste heat boiler by using waste
EP1934525B1 (en) A boiler producing steam from flue gases under optimised conditions
CN205717165U (en) A kind of high-efficiency energy-saving biomass boiler
WO2014161396A1 (en) Circulating bed organic heat carrier furnace for co-producing hot oil and water vapour
CN101701702A (en) Waste incineration heat recovery boiler
CN108758651A (en) A kind of circulating fluidized bed boiler suitable for waste incineration
CN102635844A (en) Boiler system using waste heat of flue gas of rotary hearth furnace
CN103436684A (en) Heat-accumulating billet heating furnace
WO2015127836A1 (en) Superheated steam boiler of horizontal circulating fluidized bed
CN102121747B (en) Boiler
CN105135672B (en) A kind of biological particles hot-blast stove
CN204986938U (en) Energy -conserving dust removal troilite exhaust -heat boiler
CN101957059A (en) Full reverse convection unsealed water tube boiler
CN101832708A (en) Heat storage immersed isothermal smelting furnace

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140507

Termination date: 20171202

CF01 Termination of patent right due to non-payment of annual fee