CN108286703A - A kind of anti-grease biomass boiler - Google Patents

A kind of anti-grease biomass boiler Download PDF

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Publication number
CN108286703A
CN108286703A CN201711468423.6A CN201711468423A CN108286703A CN 108286703 A CN108286703 A CN 108286703A CN 201711468423 A CN201711468423 A CN 201711468423A CN 108286703 A CN108286703 A CN 108286703A
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CN
China
Prior art keywords
storehouse
boiler
biomass
pyrolysis
tar
Prior art date
Application number
CN201711468423.6A
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Chinese (zh)
Inventor
汪逸凡
张晶
Original Assignee
汪逸凡
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Application filed by 汪逸凡 filed Critical 汪逸凡
Priority to CN201711468423.6A priority Critical patent/CN108286703A/en
Publication of CN108286703A publication Critical patent/CN108286703A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/05Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste oils

Abstract

The present invention relates to a kind of anti-grease biomass boilers, belong to environment-protection boiler technical field.The anti-grease boiler of the present invention is divided into pyrolysis storehouse and boiler bin two parts,The heat and fuel that boiler bin is received all are that treated by being pyrolyzed storehouse,And the tar that biomass combustion generates can obstruct again residual titration by helical baffle when passing through tar filtering cabin and enter to be pyrolyzed in storehouse,And the cigarette ash that is blown afloat through combustion air or when not entered in boiler bin by the tar that helical baffle stops,Since the rotation of negative pressure fan in reflux storehouse to be in negative pressure,The tar entered in boiler bin and ash content resorption are further pyrolyzed heat production by negative pressure reflux storehouse into pyrolysis oven again,Scale formation will not occur in boiler bin,And the good antiscale property boiler of the present invention have passed through three-level sintering,Make biomass fuel close to completely burned,Efficiency of combustion can reach 85%,Sintering efficiency compared to traditional biomass boiler improves 22%,And ash after incineration only has 1.5~2.0%,Clean and effective,It has broad application prospects.

Description

A kind of anti-grease biomass boiler

Technical field

The present invention relates to a kind of anti-grease biomass boilers, belong to environment-protection boiler technical field.

Background technology

Biomass boiler refers to that fuel is the boiler of biomass, biomass boiler and oil burning boiler, grill pan as its name suggests Stove is most economical by comparison, so most of people have selected biomass boiler.The inherent characteristic of biomass be doomed its The burning for the volatile matter being precipitated in combustion process plays restrictive function, solid layer oxidized to the burning of biomass solid layer (Burning)The generation of secondary reaction in reaction process, i.e. carbon monoxide and carbon dioxide and the oxidation reaction of carbon monoxide and The reduction reaction of carbon dioxide is all unfavorable for the burning of solid layer and biological particles, therefore the efficiency of biomass boiler burning Not high, biomass combustion is insufficient, causes ash content high, and the tar that generates of biomass combustion be easy to mix with ash content it is viscous Knot leads to boiler fouling in boiler inner wall, influences boiler use.

Therefore, a kind of biomass boiler that can prevent grease from depositing of invention has actively environment-protection boiler technical field Meaning.

Invention content

Present invention mainly solves the technical issues of:For at present due to biomass boiler burning efficiency it is not high, biology Matter burning is insufficient, causes ash content high, and the tar of biomass combustion generation is easy to mix with ash content and be bonded in boiler Wall leads to boiler fouling, influences the defect that boiler uses, and provides a kind of anti-grease biomass boiler.

In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention:

A kind of anti-grease biomass boiler, including biomass charge door, spiral crush feed appliance, pyrolysis storehouse, boiler bin, deashing Mouthful, it is characterised in that:It is pyrolyzed in storehouse equipped with oscillation pyrolysis resistance net, is combustion air fan immediately below oscillation pyrolysis resistance net, Level-one igniter is located at oscillation pyrolysis resistance net and faces spiral crushing feed appliance, and water storehouse, storage are housed at the top in pyrolysis storehouse Sump bottom emits nozzle equipped with steam, and is pyrolyzed storehouse and is connected by tar filtering cabin and reflux storehouse with boiler bin, tar mistake Helical baffle is housed in filter position, negative pressure fan is housed in storehouse of flowing back, secondary points firearm is also equipped in boiler bin.

A kind of workflow of anti-grease biomass boiler is:Biomass fuel is added from biomass charge door first Enter, crushing feed appliance through spiral crushes in pusher feeding pyrolysis storehouse, is uniformly laid in oscillation pyrolysis resistance net surface, level-one point Firearm starts to light a fire, and lights biomass fuel under the action of the combustion air of combustion air fan blowout, biomass fuel is by level-one Igniter direction crushes feed appliance direction towards spiral and successively burns, and the heat for generation of burning enters boiler by tar filtering cabin In storehouse, a heat supply is realized, and the tar that biomass fuel combustion generates is by the resistance by helical baffle when tar filtering cabin Enter to be pyrolyzed in storehouse every meeting again residual titration, and the cigarette ash blown afloat through combustion air or the tar not stopped by helical baffle enter When in boiler bin, make to be in negative pressure in reflux storehouse due to the rotation of negative pressure fan, negative pressure reflux storehouse will enter in boiler bin again Tar and ash content resorption are into pyrolysis oven, and part biological matter is sintered into charcoal in pyrolysis oven, open the steaming of water storehouse bottom at this time Vapour emits nozzle, and a small amount of vapor is sprayed into pyrolysis storehouse, and the vapor and charcoal of penetrating react at high temperature generates flammable one Carbonoxide and hydrogen, are blown by combustion air fan in boiler bin, are lighted through secondary points firearm and carry out secondary heat supply, and in pyrolysis storehouse The hydrogen of middle generation can also be made with the tar of the residual titration from tar filtering cabin and reflux storehouse in the pyrolysis of oscillation pyrolysis resistance net The reaction was continued generates flammable methane with lower, is equally blown into boiler bin by combustion air fan, through secondary points firearm light into Row heat supply three times, in being pyrolyzed storehouse, a small amount of ash content of generation is pyrolyzed resistance net by the oscillation in due course of oscillation pyrolysis resistance net from oscillation Hole in shake and fall, and cleared out from cleaning door, so the anti-grease sintering of biomass boiler can be completed in cycle.

The feeding speed that the spiral crushes feed appliance is 50~100g/min.

The steam quality that the steam transmitting nozzle sprays is feed biomass fuel quality 3~5%.

The volume of the tar filtering cabin is 3~4 times of reflux warehouse product.

The mesh of the oscillation pyrolysis resistance net is 80~100 mesh.

The length that the spiral crushes the biomass fuel after feed appliance crushes is 2~3cm.

The application of the present invention:A kind of workflow of anti-grease biomass boiler is:First by biomass fuel from biology It is added in matter charge door, crushing feed appliance through spiral crushes in pusher feeding pyrolysis storehouse, is uniformly laid in oscillation pyrolysis resistance Net surface, level-one igniter start to light a fire, and light biomass fuel under the action of the combustion air of combustion air fan blowout, biology Matter fuel crushes feed appliance direction towards spiral by level-one igniter direction and successively burns, and the heat for generation of burning passes through tar mistake Filter position enters in boiler bin, realizes a heat supply, and the tar that biomass fuel combustion generates when tar filtering cabin by passing through The barrier of helical baffle residual titration can enter to be pyrolyzed in storehouse again, and the cigarette ash that is blown afloat through combustion air or not stopped by helical baffle It is in negative pressure since the rotation of negative pressure fan to flow back in storehouse, negative pressure flows back storehouse again will be into when tar firmly is entered in boiler bin Enter tar in boiler bin and ash content resorption into pyrolysis oven, part biological matter is sintered into charcoal in pyrolysis oven, opens storage at this time The steam of sump bottom emits nozzle, sprays into a small amount of vapor into pyrolysis storehouse, the vapor and charcoal of penetrating react at high temperature Flammable carbon monoxide and hydrogen are generated, is blown into boiler bin by combustion air fan, is lighted through secondary points firearm and carries out secondary confession Heat, and in the hydrogen generated in being pyrolyzed storehouse electricity can also be pyrolyzed in oscillation with the tar of the residual titration from tar filtering cabin and reflux storehouse The reaction was continued under the pyrolysis of resistance net generates flammable methane, is equally blown into boiler bin by combustion air fan, through two level Igniter, which is lighted, carries out heat supply three times, and in be pyrolyzed storehouse, oscillation pyrolysis resistance net is vibrated in due course by a small amount of ash content of generation from shaking It swings to shake in the hole of pyrolysis resistance net and fall, and cleared out from cleaning door, so the grease proofing of biomass boiler can be completed in cycle Dirt sintering.

The beneficial effects of the invention are as follows:The anti-grease boiler of the present invention is divided into pyrolysis storehouse and boiler bin two parts, boiler bin The heat and fuel received is all that by being pyrolyzed storehouse, treated, and the tar that biomass fuel combustion generates passes through tar Residual titration can enter to be pyrolyzed in storehouse again by the barrier of helical baffle when filtering cabin, and the cigarette ash that is blown afloat through combustion air or not by When the tar that helical baffle stops is entered in boiler bin, since the rotation of negative pressure fan in reflux storehouse to be in negative pressure, negative pressure The tar entered in boiler bin and ash content resorption are further pyrolyzed heat production by reflux storehouse into pyrolysis oven again, will not be sent out in boiler bin Raw scale formation, and the good antiscale property boiler of the present invention have passed through three-level sintering so that and biomass fuel is fired close to completely burned 85% can be reached by burning efficiency, and the sintering efficiency compared to traditional biomass boiler improves 22%, and ash after incineration only has 1.5 ~2.0%, clean and effective has broad application prospects.

Description of the drawings

Fig. 1 is the front elevation of " a kind of anti-grease biomass boiler " of the invention.

Wherein, 1, biomass charge door;2, spiral crushes feed appliance;3, it is pyrolyzed storehouse;4, oscillation pyrolysis resistance net;5, level-one Igniter;6, combustion air fan;7, water storehouse;8, steam emits nozzle;9, tar filtering cabin;10, helical baffle;11, negative pressure Fan;12, reflux storehouse;13, boiler bin;14, secondary points firearm;15, cleaning door.

Specific implementation mode

A kind of anti-grease biomass boiler, including biomass charge door 1, spiral crush feed appliance 2, pyrolysis storehouse 3, boiler bin 13, cleaning door 15, it is characterised in that:It is pyrolyzed in storehouse 3 equipped with oscillation pyrolysis resistance net 4, is immediately below oscillation pyrolysis resistance net 4 Combustion air fan 6, level-one igniter 5 are located at oscillation pyrolysis resistance net 4 and face spiral crushing feed appliance 2, the top in pyrolysis storehouse 3 Portion is equipped with water storehouse 7, and 7 bottom of water storehouse emits nozzle 8 equipped with steam, and is pyrolyzed storehouse 3 and boiler bin 13 passes through tar filtering cabin 9 And reflux storehouse 12 is connected, and helical baffle 10 is housed in tar filtering cabin 9, negative pressure fan 11 is housed in storehouse of flowing back, in boiler bin It is also equipped with secondary points firearm 14.A kind of workflow of anti-grease biomass boiler is:First by biomass fuel from biomass It is added in charge door 1, crushing feed appliance 2 through spiral crushes in pusher feeding pyrolysis storehouse 3, is uniformly laid in oscillation pyrolysis resistance 4 surface of net, level-one igniter 5 start to light a fire, and biomass fuel is lighted under the action of the combustion air that combustion air fan 6 is blown out, Biomass fuel crushes 2 direction of feed appliance towards spiral by 5 direction of level-one igniter and successively burns, and the heat for generation of burning passes through Tar filtering cabin 9 enters in boiler bin, realizes a heat supply, and the tar that biomass fuel combustion generates passes through tar filtering cabin Residual titration it can enter to be pyrolyzed in storehouse 3 again by the barrier of helical baffle 10 when 9, and the cigarette ash that is blown afloat through combustion air or not by spiral shell When the tar that rotation baffle 10 stops is entered in boiler bin 13, since the rotation of negative pressure fan 11 makes in reflux storehouse 12 in negative Pressure, negative pressure flow back storehouse 12 again will enter boiler bin in tar and ash content resorption into pyrolysis oven, the part biological matter in pyrolysis oven It is sintered into charcoal, the steam for opening 7 bottom of water storehouse at this time emits nozzle 8, sprays into a small amount of vapor into pyrolysis storehouse 3, sprays into Vapor and charcoal react generate flammable carbon monoxide and hydrogen at high temperature, be blown into boiler bin, pass through by combustion air fan 6 Secondary points firearm 14, which is lighted, carries out secondary heat supply, and the hydrogen generated in be pyrolyzed storehouse can also with from tar filtering cabin 9 and time Flowing the tar of residual titration in storehouse 12, the reaction was continued under the pyrolysis of oscillation pyrolysis resistance net 4 generates flammable methane, equally quilt It is blown into boiler bin by combustion air fan 6, is lighted through secondary points firearm 14 and carry out heat supply three times, in being pyrolyzed storehouse, oscillation pyrolysis The oscillation in due course of resistance net 4 shakes a small amount of ash content of generation from the hole of oscillation pyrolysis resistance net 4 to be fallen, and from cleaning door 15 It clears out, so the anti-grease sintering of biomass boiler can be completed in cycle.The feeding speed that the spiral crushes feed appliance 2 is 50~100g/min.The steam quality that the steam transmitting nozzle 8 sprays is feed biomass fuel quality 3~5%. The volume of the tar filtering cabin 9 is 3~4 times of reflux 12 volume of storehouse.The mesh of the oscillation pyrolysis resistance net 4 is 80 ~100 mesh.The length that the spiral crushes the biomass fuel after feed appliance 2 crushes is 2~3cm.

Claims (7)

1. a kind of anti-grease biomass boiler, including biomass charge door(1), spiral crush feed appliance(2), pyrolysis storehouse(3), pot Stove storehouse(13), cleaning door(15), it is characterised in that:It is pyrolyzed storehouse(3)In equipped with oscillation pyrolysis resistance net(4), in oscillation pyrolysis electricity Hinder net(4)Underface is combustion air fan(6), level-one igniter(5)It is pyrolyzed resistance net positioned at oscillation(4)Face spiral crushing Feed appliance(2), in pyrolysis storehouse(3)Top be equipped with water storehouse(7), water storehouse(7)Bottom emits nozzle equipped with steam(8), and It is pyrolyzed storehouse(3)And boiler bin(13)Pass through tar filtering cabin(9)And reflux storehouse(12)It is connected, tar filtering cabin(9)In be equipped with Helical baffle(10), flow back storehouse in be equipped with negative pressure fan(11), secondary points firearm is also equipped in boiler bin(14).
2. a kind of workflow of anti-grease biomass boiler described in claim 1 is:First by biomass fuel from life Substance charge door(1)Middle addition crushes feed appliance through spiral(2)It crushes pusher and is sent into pyrolysis storehouse(3)In, it is uniformly laid in and shakes Swing pyrolysis resistance net(4)Surface, level-one igniter(5)Start to light a fire, in combustion air fan(6)Under the action of the combustion air of blowout Biomass fuel is lighted, biomass fuel is by level-one igniter(5)Direction crushes feed appliance towards spiral(2)It successively fires in direction It burns, the heat for generation of burning passes through tar filtering cabin(9)Into in boiler bin, heat supply of realization, and biomass fuel combustion The tar of generation passes through tar filtering cabin(9)When pass through helical baffle(10)Barrier can again residual titration enter to be pyrolyzed storehouse(3)In, and The cigarette ash that is blown afloat through combustion air or not by helical baffle(10)The tar stopped enters boiler bin(13)When middle, due to negative Press fan(11)Rotation make flow back storehouse(12)In be in negative pressure, negative pressure flow back storehouse(12)Again will enter boiler bin in tar and For ash content resorption into pyrolysis oven, part biological matter is sintered into charcoal in pyrolysis oven, opens water storehouse at this time(7)The steam of bottom is sent out Penetrate nozzle(8), to pyrolysis storehouse(3)Middle to spray into a small amount of vapor, it is flammable that the vapor and charcoal of penetrating reacts generation at high temperature Carbon monoxide and hydrogen, by combustion air fan(6)It is blown into boiler bin, through secondary points firearm(14)It lights and carries out secondary heat supply, And the hydrogen generated in being pyrolyzed storehouse can also with from tar filtering cabin(9)And reflux storehouse(12)The tar of middle residual titration is in oscillation warm Solve resistance net(4)Pyrolysis under the reaction was continued generates flammable methane, equally by by combustion air fan(6)It is blown into boiler bin In, through secondary points firearm(14)It lights and carries out heat supply three times, in being pyrolyzed storehouse, oscillation pyrolysis resistance net(4)Oscillation in due course will production Raw a small amount of ash content is pyrolyzed resistance net from oscillation(4)Hole in shake and fall, and from cleaning door(15)It clears out, so cycle is It can complete the anti-grease sintering of biomass boiler.
3. a kind of anti-grease biomass boiler according to claim 1, it is characterised in that:The spiral crushes feed appliance (2)Feeding speed be 50~100g/min.
4. a kind of anti-grease biomass boiler according to claim 1, it is characterised in that:The steam emits nozzle (8)The steam quality of ejection is feed biomass fuel quality 3~5%.
5. a kind of anti-grease biomass boiler according to claim 1, it is characterised in that:The tar filtering cabin(9) Volume be reflux storehouse(12)3~4 times of volume.
6. a kind of anti-grease biomass boiler according to claim 1, it is characterised in that:The oscillation is pyrolyzed resistance net (4)Mesh be 80~100 mesh.
7. a kind of anti-grease biomass boiler according to claim 1, it is characterised in that:The spiral crushes feed appliance (2)The length of biomass fuel after crushing is 2~3cm.
CN201711468423.6A 2017-12-29 2017-12-29 A kind of anti-grease biomass boiler CN108286703A (en)

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CN201711468423.6A CN108286703A (en) 2017-12-29 2017-12-29 A kind of anti-grease biomass boiler

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CN201711468423.6A CN108286703A (en) 2017-12-29 2017-12-29 A kind of anti-grease biomass boiler

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109140484A (en) * 2018-07-18 2019-01-04 安徽省鑫恒生物颗粒能源有限公司 A kind of biomass boiler of efficient burning

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201003046Y (en) * 2006-11-19 2008-01-09 周开根 Dynamic gasification oven for producing synthesized gas using garbage, biomass as material
CN204779496U (en) * 2015-07-01 2015-11-18 长春市鲲鹏节能环保科技有限公司 No tar biomass gasification stove
CN205002101U (en) * 2015-08-28 2016-01-27 洛阳安拓窑炉环保有限公司 Biomass particle combustion device
CN206130990U (en) * 2016-11-03 2017-04-26 吴荣军 Self -purification domestic waste pyrolysis oven
CN206504333U (en) * 2017-01-26 2017-09-19 严志谋 Improved innoxious waste incinerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201003046Y (en) * 2006-11-19 2008-01-09 周开根 Dynamic gasification oven for producing synthesized gas using garbage, biomass as material
CN204779496U (en) * 2015-07-01 2015-11-18 长春市鲲鹏节能环保科技有限公司 No tar biomass gasification stove
CN205002101U (en) * 2015-08-28 2016-01-27 洛阳安拓窑炉环保有限公司 Biomass particle combustion device
CN206130990U (en) * 2016-11-03 2017-04-26 吴荣军 Self -purification domestic waste pyrolysis oven
CN206504333U (en) * 2017-01-26 2017-09-19 严志谋 Improved innoxious waste incinerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109140484A (en) * 2018-07-18 2019-01-04 安徽省鑫恒生物颗粒能源有限公司 A kind of biomass boiler of efficient burning

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