CN105526581A - Biomass gasification combustor - Google Patents
Biomass gasification combustor Download PDFInfo
- Publication number
- CN105526581A CN105526581A CN201511001477.2A CN201511001477A CN105526581A CN 105526581 A CN105526581 A CN 105526581A CN 201511001477 A CN201511001477 A CN 201511001477A CN 105526581 A CN105526581 A CN 105526581A
- Authority
- CN
- China
- Prior art keywords
- air
- combustion chamber
- distribution plate
- air distribution
- communicated
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C1/00—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
- F23L1/02—Passages or apertures for delivering primary air for combustion by discharging the air below the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air beyond the fire, i.e. nearer the smoke outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2201/00—Staged combustion
- F23C2201/10—Furnace staging
- F23C2201/101—Furnace staging in vertical direction, e.g. alternating lean and rich zones
Abstract
The invention provides a biomass gasification combustor which comprises an air chamber, an air supply mechanism, a combustion chamber and a feeding mechanism, wherein an air distribution plate is arranged in the air chamber, the air chamber communicates with the air supply mechanism by an air hose; the lower side of the combustion chamber is connected with the air distribution plate, a fire grate is arranged between the combustion chamber and the air distribution plate; and the air distribution plate forms a V-shaped structure, and a plurality of uniformly-distributed air holes are formed in the V-shaped wall plate. According to the air supply mechanism disclosed by the invention, air is sent into the combustion chamber by the air distribution plate, and the V-shaped structure design of the air distribution plate enables blown air to be agitated and mixed with each other so as to prevent the air from being directly blown to biomass material of the vertical section of a fixed bed, achieve uniform air distribution and ensure that the biomass material at the vertical section of the fixed bed can be sufficiently fluidized.
Description
Technical field
The present invention relates to a kind of industrial firing equipment field, what be specifically related to is a kind of biomass gasification burner.
Background technology
China is a large agricultural country, biomass resource enriches, there are a large amount of various biomass materials as corn stalk, rice husk, peanut shell, corncob, sawdust, wood shavings, papermaking waste material etc., process the method for this kind of biomass material at present or directly pulverize go back to field, or directly burning utilization.The efficiency of combustion of direct burning is very low, and produces the exhaust emission environment much not having after-flame.The most ancient biomass burner is exactly the burner hearth of the common pot and stove of burning firewood, and this original hearth combustion efficiency is extremely low, and flame is not concentrated, combustion instability, can only be used for common heating and cook.And in the current anxiety along with severe power shortage, oil famine, electricity price rises, rise of the oil price equal energy source situation, and problem of environmental pollution is increasingly serious, industry-by-industry starts progressively to strengthen the use consciousness of regenerative resource, and wherein the utilization of biomass energy is the most practicable current solution.Existing biomass burner, can be used for heat supply, heating, production coal gas, but general mechanism is complicated, efficiency of combustion is low, performance less stable.
Summary of the invention
In order to overcome, existing biomass burner mechanism is complicated, efficiency of combustion is low, and the shortcoming of performance less stable, the invention provides a kind of biomass gasification burner.
For achieving the above object, technical scheme of the present invention is:
Biomass gasification burner, comprises air compartment, wind sector, combustion chamber and feed mechanism,
Described air compartment inside is provided with air distribution plate, and air compartment is communicated with wind sector by airduct; The below of described combustion chamber is connected with air distribution plate, is provided with fire grate between combustion chamber and air distribution plate; Described air distribution plate becomes V-structure, the wallboard of its V-type offers the air holes of multiple even arrangement.
Preferably, described combustion chamber comprises fixed bed, fluerics, jet spray chamber, and the bottom of described fixed bed is connected with air distribution plate, and the top of fixed bed is communicated with fluerics; The side of described fluerics is arranged jet spray chamber; The spout of described jet spray chamber passes the furnace wall of combustion chamber from the side.
Preferably, the part that described jet spray chamber passes furnace wall, combustion chamber is socketed with annular slab; Described annular slab is hatch frame near one end of jet spray chamber spout, and be communicated with air, the other end is seal-installed on outside the furnace wall of combustion chamber; Described jet spray chamber is provided with close to nozzle the blow vent that the injection direction along jet spray chamber arranges.
Preferably, described fixed bed is divided into two sections, and epimere is the diffuser of rounding bench-type, and hypomere is columniform vertical section.
Preferably, heat-insulation layer is provided with in the locular wall of described combustion chamber.
Preferably, two pieces of wallboards of described air distribution plate are 45 ° with the angle of horizontal direction.
Preferably, described feed mechanism comprises hopper, material pipe, auger, reducing motor, be provided with discharging opening below described hopper to be communicated with material pipe, described material pipe and combustion chamber, auger is provided with in described material pipe, described auger one end is connected with reducing motor, and the other end extends to combustion chamber place.
Preferably, described wind sector comprises blower fan, primary air piping and secondary air channel, and described blower fan is communicated with air compartment by primary air piping, and described secondary air channel one end is communicated with primary air piping, and the other end is communicated with the material pipe of feed mechanism.
Preferably, described biomass gasification burner also comprises slagging device, and described slagging device comprises scum pipe, slag-drip opening, deslagging auger, reducing motor; Described scum pipe is located at the bottom of air distribution plate, and passes air compartment, and its part be positioned at bottom air distribution plate offers the slag inlet of upward opening, and its part passing air compartment is provided with the slag notch under shed; Described deslagging auger is installed in scum pipe, and one end is connected with reducing motor.
The course of work of the present invention is: biomass material enters feeding pipe bottom hopper, and reducing motor drives auger to rotate, and raw material is pushed the fixed bed bottom of combustion chamber; Air is sent in air compartment by primary air piping by blower fan, and the air holes of the wind in air compartment on air distribution plate enters fixed bed, and make raw material full cure, wind is sent feeding pipe by secondary air channel, is evenly dispelled in combustion chamber by raw material; Biomass material is in combustion chamber combustion, fuel gas ascension, assembles and forms certain normal pressure and flow to jet pelvic cavity in fluerics, lights a fire at the nozzle of jet spray chamber, blow vent close to nozzle makes air and combustion gas produce tangent line eddy flow, and pilot flame leads; Residue after biomass material burning is discharged from fire grate and is entered in the scum pipe of slagging device, and reducing motor drives deslagging auger to rotate, and is discharged by residue from slag-drip opening.
Beneficial effect of the present invention is:
1, the primary air piping of wind sector sends into air by air distribution plate to combustion chamber, air distribution plate V-structure designs, the air blowed is made mutually to agitate mixing, avoid the biomass material directly blowing to fixed bed vertical section, cloth wind is even, and the biomass material ensureing to be positioned at fixed bed vertical section can abundant fluidisation; Secondary air channel sends into air to material pipe, is evenly dispelled in combustion chamber by raw material, also add oxygen-supplying amount simultaneously, make material combusting more abundant while anti-non-return cigarette;
2, fixed bed epimere in combustion chamber is rounding bench-type diffuser, hypomere is that the design of cylindrical upright section improves the fluid effect of living beings in combustion chamber, the design of jet spray chamber air inlet makes air and combustion gas produce tangent line eddy flow, and pilot flame leads, and prevents the generation of tempering and de-condition of a fire condition;
3, the heat-insulation layer between combustion chamber and body of heater makes the heat of combustion chamber not easily run off, and carries out preheating for the biomass material in combustion chamber;
4, the design of feeding mechanism can supply combustion chamber raw material, continuously for industrialized continuous seepage provides guarantee;
5, slagging device scientific structure design, coordinate unique V-type air distribution plate, effectively can collect combustion residue, and can get rid of outside stove automatically, this makes equipment of the present invention can continual sustained combustion 24 hours every days, realize providing combustion gas for a long time, considerably increase equipment continuous firing ability;
6, wind sector of the present invention, combustion chamber, feed mechanism, slagging device design are rationally simple and easy, operationally be combined with each other, achieve that efficiency of combustion is high, the feature of stable performance.
Accompanying drawing explanation
Fig. 1 is biomass gasification burner front view of the present invention
Fig. 2 is the structural representation of air distribution plate of the present invention
In figure each sequence number and title as follows:
1-air compartment; 2-wind sector; 3-combustion chamber; 4-feed mechanism; 5-air distribution plate; 6-air holes; 7-fixed bed; 8-fluerics; 9-jet spray chamber; 10-annular slab; 11-hopper; 12-expects pipe; 13-auger; 14-reducing motor; 15-blower fan 16-primary air piping; 17-secondary air channel; 18-slagging device; 19-scum pipe; 20-slag-drip opening; 21-deslagging auger; 22-reducing motor.
Detailed description of the invention
Below by specific embodiment, the present invention is described in detail.
As shown in Figure 1, biomass gasification burner of the present invention, comprises air compartment 1, wind sector 2, combustion chamber 3 and feed mechanism 4,
Described air compartment 4 inside is provided with air distribution plate 5, and air compartment 1 is communicated with wind sector 2 by airduct; The below of described combustion chamber 3 is connected with air distribution plate 5, is provided with fire grate between combustion chamber 1 and air distribution plate 5; Described air distribution plate 5 one-tenth V-structure, the wallboard of its V-type offers the air holes 6 of multiple even arrangement.
Described combustion chamber 3 comprises fixed bed 7, fluerics 8, jet spray chamber 9, and the bottom of described fixed bed 7 is connected with air distribution plate 5, and the top of fixed bed 7 is communicated with fluerics 8; The side of described fluerics 8 arranges jet spray chamber 9; The spout of described jet spray chamber 9 passes the furnace wall of combustion chamber from the side.
The part that described jet spray chamber 9 passes furnace wall, combustion chamber is socketed with annular slab 10; Described annular slab 10 is hatch frame near one end of jet spray chamber 9 spout, and be communicated with air, the other end is seal-installed on outside the furnace wall of combustion chamber; Described jet spray chamber 9 is provided with close to nozzle the blow vent that the injection direction along jet spray chamber 9 arranges.
Described fixed bed 7 is divided into two sections, and epimere is the diffuser of rounding bench-type, and hypomere is columniform vertical section.
Heat-insulation layer is provided with in the locular wall of described combustion chamber 3.
Two pieces of wallboards of described air distribution plate 5 are 45 ° with the angle of horizontal direction.
Described feed mechanism 4 comprises hopper 11, material pipe 12, auger 13, reducing motor 14, be provided with discharging opening below described hopper 11 to be communicated with material pipe 12, described material pipe 12 is communicated with combustion chamber 3, auger 13 is provided with in described material pipe 12, described auger 13 one end is connected with reducing motor 14, and the other end extends to combustion chamber 3 place.
Described wind sector 2 comprises blower fan 15, primary air piping 16 and secondary air channel 17, and described blower fan 15 is communicated with air compartment 1 by primary air piping 16, and described secondary air channel 17 one end is communicated with primary air piping 16, and the other end is communicated with the material pipe 12 of feed mechanism 4.
Described biomass gasification burner, also comprises slagging device 18, and described slagging device 18 comprises scum pipe 19, slag-drip opening 20, deslagging auger 21, reducing motor 22; Described scum pipe 19 is located at the bottom of air distribution plate 5, and passes air compartment 1, and its part be positioned at bottom air distribution plate 5 offers the slag inlet of upward opening, and its part passing air compartment 1 is provided with the slag notch under shed; Described deslagging auger 21 is installed in scum pipe 19, and one end is connected with reducing motor 22.
The course of work of the present invention is: biomass material enters feeding pipe 12 bottom hopper 11, and reducing motor 14 drives auger 13 to rotate, and raw material is pushed fixed bed 7 bottom of combustion chamber 3; Air is sent in air compartment 1 by primary air piping 16 by blower fan 15, and the air holes of the wind in air compartment 1 on air distribution plate 5 enters fixed bed 7, makes raw material full cure, and wind is sent feeding pipe 12 by secondary air channel 17, is evenly dispelled by raw material in combustion chamber 3; Biomass material is in combustion chamber 3 combustion, fuel gas ascension, assembles and forms certain normal pressure and flow to jet pelvic cavity 9 in fluerics 8, lights a fire at the nozzle of jet spray chamber 9, blow vent close to nozzle makes air and combustion gas produce tangent line eddy flow, and pilot flame leads; Residue after biomass material burning is discharged from fire grate and is entered in the scum pipe 19 of slagging device 18, and reducing motor 22 drives deslagging auger 21 to rotate, and is discharged by residue from slag-drip opening 20.
Claims (9)
1. a biomass gasification burner, comprises air compartment (1), wind sector (2), combustion chamber (3) and feed mechanism (4), it is characterized in that:
Described air compartment (4) inside is provided with air distribution plate (5), and air compartment (1) is communicated with wind sector (2) by airduct; The below of described combustion chamber (3) is connected with air distribution plate (5), is provided with fire grate between combustion chamber (1) and air distribution plate (5); Described air distribution plate (5) becomes V-structure, the wallboard of its V-type offers the air holes (6) of multiple even arrangement.
2. biomass gasification burner according to claim 1, it is characterized in that: described combustion chamber (3) comprises fixed bed (7), fluerics (8), jet spray chamber (9), the bottom of described fixed bed (7) is connected with air distribution plate (5), and the top of fixed bed (7) is communicated with fluerics (8); The side of described fluerics (8) arranges jet spray chamber (9); The spout of described jet spray chamber (9) passes the furnace wall of combustion chamber from the side.
3. biomass gasification burner according to claim 2, is characterized in that: the part that described jet spray chamber (9) passes furnace wall, combustion chamber is socketed with annular slab (10); Described annular slab (10) is hatch frame near one end of jet spray chamber (9) spout, and be communicated with air, the other end is seal-installed on outside the furnace wall of combustion chamber; Described jet spray chamber (9) is provided with close to nozzle the blow vent that the injection direction along jet spray chamber (9) arranges.
4. biomass gasification burner according to claim 2, it is characterized in that: described fixed bed (7) is divided into two sections, and epimere is the diffuser of rounding bench-type, hypomere is columniform vertical section.
5. biomass gasification burner according to claim 1, is characterized in that: be provided with heat-insulation layer in the locular wall of described combustion chamber (3).
6. biomass gasification burner according to claim 1, is characterized in that: two pieces of wallboards of described air distribution plate (5) are 45 ° with the angle of horizontal direction.
7. biomass gasification burner according to claim 1, it is characterized in that: described feed mechanism (4) comprises hopper (11), material pipe (12), auger (13), reducing motor (14), described hopper (11) below is provided with discharging opening and expects that managing (12) is communicated with, described material pipe (12) is communicated with combustion chamber (3), auger (13) is provided with in described material pipe (12), described auger (13) one end is connected with reducing motor (14), and the other end extends to combustion chamber (3) place.
8. biomass gasification burner according to claim 1, it is characterized in that: described wind sector (2) comprises blower fan (15), primary air piping (16) and secondary air channel (17), described blower fan (15) is communicated with air compartment (1) by primary air piping (16), described secondary air channel (17) one end is communicated with primary air piping (16), and the other end is communicated with the material pipe (12) of feed mechanism (4).
9. biomass gasification burner according to claim 1, it is characterized in that: also comprise slagging device (18), described slagging device (18) comprises scum pipe (19), slag-drip opening (20), deslagging auger (21), reducing motor (22); Described scum pipe (19) is located at the bottom of air distribution plate (5), and passes air compartment (1), and its part being positioned at air distribution plate (5) bottom offers the slag inlet of upward opening, and its part passing air compartment (1) is provided with the slag notch under shed; Described deslagging auger (21) is installed in scum pipe (19), and one end is connected with reducing motor (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001477.2A CN105526581A (en) | 2015-12-29 | 2015-12-29 | Biomass gasification combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001477.2A CN105526581A (en) | 2015-12-29 | 2015-12-29 | Biomass gasification combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526581A true CN105526581A (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511001477.2A Pending CN105526581A (en) | 2015-12-29 | 2015-12-29 | Biomass gasification combustor |
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| Country | Link |
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| CN (1) | CN105526581A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090882A (en) * | 2016-06-14 | 2016-11-09 | 西安圣华农业科技股份有限公司 | Divide the biological particles automatic combustion apparatus of chamber burning and self-skimming |
| CN107062199A (en) * | 2017-05-19 | 2017-08-18 | 中国矿业大学 | A kind of resistive connection slag biomass combustion machine and its application method |
| CN112484072A (en) * | 2020-11-24 | 2021-03-12 | 湖南省农友机械集团有限公司 | Hot-blast furnace hot blast heater and air inlet device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381438A2 (en) * | 1989-02-01 | 1990-08-08 | Foster Wheeler Energy Corporation | Fluidized bed reactor comprising an air flow measurement device |
| CN201285034Y (en) * | 2008-09-02 | 2009-08-05 | 赵陆凯 | Biomass combustor |
| CN101660751A (en) * | 2008-08-25 | 2010-03-03 | 沈阳热得孚秸杆燃烧科技有限公司 | Straw gasification combustor |
| CN103968370A (en) * | 2014-05-27 | 2014-08-06 | 山西灵英生物质能源开发有限公司 | Burner |
| CN104132328A (en) * | 2014-08-26 | 2014-11-05 | 大连旺佳新能源科技开发有限公司 | Spiral fire grate self-deslagging burner |
| CN205372531U (en) * | 2015-12-29 | 2016-07-06 | 广西节得乐生物质能源科技有限公司 | Biomass gasification combustor |
-
2015
- 2015-12-29 CN CN201511001477.2A patent/CN105526581A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381438A2 (en) * | 1989-02-01 | 1990-08-08 | Foster Wheeler Energy Corporation | Fluidized bed reactor comprising an air flow measurement device |
| CN101660751A (en) * | 2008-08-25 | 2010-03-03 | 沈阳热得孚秸杆燃烧科技有限公司 | Straw gasification combustor |
| CN201285034Y (en) * | 2008-09-02 | 2009-08-05 | 赵陆凯 | Biomass combustor |
| CN103968370A (en) * | 2014-05-27 | 2014-08-06 | 山西灵英生物质能源开发有限公司 | Burner |
| CN104132328A (en) * | 2014-08-26 | 2014-11-05 | 大连旺佳新能源科技开发有限公司 | Spiral fire grate self-deslagging burner |
| CN205372531U (en) * | 2015-12-29 | 2016-07-06 | 广西节得乐生物质能源科技有限公司 | Biomass gasification combustor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090882A (en) * | 2016-06-14 | 2016-11-09 | 西安圣华农业科技股份有限公司 | Divide the biological particles automatic combustion apparatus of chamber burning and self-skimming |
| CN107062199A (en) * | 2017-05-19 | 2017-08-18 | 中国矿业大学 | A kind of resistive connection slag biomass combustion machine and its application method |
| CN107062199B (en) * | 2017-05-19 | 2023-12-05 | 中国矿业大学 | Anti-slagging biomass burner and use method thereof |
| CN112484072A (en) * | 2020-11-24 | 2021-03-12 | 湖南省农友机械集团有限公司 | Hot-blast furnace hot blast heater and air inlet device thereof |
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