CN102261646B - Biomass straw pellet combustor - Google Patents
Biomass straw pellet combustor Download PDFInfo
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- CN102261646B CN102261646B CN 201110159658 CN201110159658A CN102261646B CN 102261646 B CN102261646 B CN 102261646B CN 201110159658 CN201110159658 CN 201110159658 CN 201110159658 A CN201110159658 A CN 201110159658A CN 102261646 B CN102261646 B CN 102261646B
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- fixedly connected
- chimney arch
- fire grate
- burner
- box
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Abstract
The invention provides a biomass straw pellet combustor which can not only combust wood biomass pellet fuels under a controllable state, but also can combust straw biomass pellet fuels under a controllable state. The biomass straw pellet combustor comprises a furnace arch, wherein the right end of the furnace arch is fixedly connected with a combustor feed box, the left end of the furnace arch is fixedly connected with an ash box, a drying box is fixedly connected with the combustor feed box, the upper end of the drying box is connected with a feed inlet, the upper surface of the combustor feed box is connected with an air inlet hole, the back surface of the combustor feed box is provided with an ignition hole, the upper part at the front surface of the furnace arch is provided with a fire-watching hole, the lower part of the furnace arch is designed with an ash removal door, the inner surfaces of the front and back of the inner shell of the furnace arch are connected with radiant panels, the upper part of the inner shell of the furnace arch is provided with a secondary air hole, the lower surface of the outer shell of the furnace arch is fixedly connected with a pulley, the lower surface of the outer shell of the furnace arch is also fixedly connected with a pulley and an air chamber partition plate, the inner shell of the furnace arch and the lower part of the combustor feed box are designed with reciprocating static grates, the right end of the connecting rod of each grate is connected with a grate speed reduction motor with an adjustment wheel, and the upper surface of the furnace arch is provided with a fire-accumulated hole.
Description
Technical field
The present invention relates to a kind of burner, relate in particular to a kind of biomass straw particle burner.
Background technology
The burner that uses at present is the screw underfeed type burner, and its feed mode is to enter the combustion chamber from bottom to top, is burnt from top to bottom by top igniting, forms slag blanket, oxide layer, destructive distillation layer, preliminary heating zone and the new bed of material.Have sufficient combustion, energy-conservation, over-emitting black exhaust not, the advantage such as volume is little, easy and simple to handle.when this burner burns separately firewood biolobic material granular fuel, to have a calorific value high due to wood substance grain, ash content is low, ash fusion point is higher, be difficult for the characteristics such as slagging scorification after burning, the fouling and slagging degree is low, burner can normally move, be main biomass granule fuel and adopt agricultural crop straw, because of the ash content in the stalk granular fuel high, ash fusion point is low, alkali metal content is higher, when burner combustion, after burning, slagging scorification is serious, form the ash bed of a bonding at burner surface, hindered further carrying out of burning, after normal operation a period of time, burner quits work automatically.Test shows that the burner of lower feeding is not suitable for the stalk biomass granular fuel of China, above biomass particle burner, can effectively use the biomass granule fuel of wooden class, but still have deficiency in the utilization to the stalk biomass granular fuel, be difficult to the technical problem of the biomass granule fuel slagging scorification of solution stalk, can not be at burning straw-like biomass granular fuel under controllable state.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can not only use the lignocellulosic biomass granular fuel under controllable state, and can be at the biomass straw particle burner of burning straw-like biomass granular fuel under controllable state.
for achieving the above object, the technical solution used in the present invention is: a kind of biomass straw particle burner, comprise chimney arch, the right-hand member of chimney arch is fixedly connected with the burner hopper by burner master flange, the chimney arch left end is fixedly connected with ash slag box by adpting flange, chimney arch communicates with burner hopper and ash slag box respectively, it is characterized in that: be fixedly connected with drying box in described burner hopper, the drying box upper end is fixedly connected with charging aperture, the drying box lower ending opening, drying box communicates with the burner hopper, burner hopper upper surface is fixedly connected with fresh air inlet, the rear surface of burner hopper has lighting-up tuyere, igniter is installed in lighting-up tuyere, the front surface of burner hopper is designed with the side inspection cover, lighting-up tuyere is corresponding with drying box, burner hopper right-hand member is equipped with right inspection cover, chimney arch comprises chimney arch inner casing and chimney arch shell, the top of the front surface of chimney arch is equipped with flame-observing hole, the bottom of the front surface of chimney arch is designed with a plurality of shoot doors, before the chimney arch inner casing, rear inner surface is fixedly connected with radiant panel, radiant panel is positioned at the right part of chimney arch, radiant panel is corresponding with drying box, the top of chimney arch inner casing has secondary air hole, the lower surface of chimney arch shell is fixedly connected with pulley, the lower surface of chimney arch shell also is fixedly connected with air compartment baffle, before the bottom of chimney arch inner casing and burner hopper, be fixedly connected with reciprocal quiet fire grate on rear inner surface, the inner surface of the left wall of chimney arch inner casing is fixedly connected with support plate, one of them reciprocal quiet fire grate is positioned at above support plate, be designed with above reciprocal quiet fire grate toward the double action fire grate, an end toward the double action fire grate is hinged with moving fire grate connecting rod, the lower end of moving fire grate connecting rod is hinged with the fire grate connecting rod, the fire grate connecting rod is positioned at above pulley, the fire grate connecting rod contacts with pulley, the right-hand member of fire grate connecting rod is connected with the fire grate reducing motor with regulating wheel, the bottom on burner hopper right side is fixedly connected with motor support base, motor support base is fixedly connected with the fire grate reducing motor, the upper surface of chimney arch has fire-assembling hole.
In this structure, chimney arch is elliptical shape.
In this structure, ash slag box comprises ash slag box shell and ash slag box inner casing, is filled with heat-barrier material between ash slag box shell and ash slag box inner casing, and the ash slag box bottom is designed with shoot door under ash slag box, and the left side of ash slag box 6 is designed with ash slag box side shoot door.
Advantageous effect of the present invention is: because burner of the present invention has adopted the upper feeding type burner, level forms the new bed of material, preliminary heating zone, destructive distillation layer, oxide layer, ash bed between drying box, step reciprocating fire grate; Burner adopts the step reciprocating fire grate, produces the motion of horizontal and vertical direction, and the passable lime-ash that produces that will burn carries out break, and releases burner, guarantees the normal operation of burner; Secondly in combustion process, according to the characteristic of stalk biomass granular fuel, by reducing the ignition temperature on fire grate, alleviate the generation degree of the lime-ash of stalk biomass granular fuel, boiler is realized controlled and continuous burning by burner.
Description of drawings
Fig. 1 is front view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is right view of the present invention;
Fig. 4 is left view of the present invention;
Fig. 5 is that master of the present invention looks cut-away illustration;
Fig. 6 is the cut-away illustration of overlooking of the present invention;
Fig. 7 is that cut-away illustration is looked on the right side of the present invention;
Fig. 8 is that cut-away illustration is looked on a left side of the present invention.
In accompanying drawing: 1, charging aperture; 2, burner hopper; 3, chimney arch; 4, flame-observing hole; 5, adpting flange; 6, ash slag box; 7, ash slag box side shoot door; 8, shoot door under ash slag box; 9, shoot door; 10, burner master flange; 11, fire grate connecting rod; 12; Motor support base; 13, regulating wheel; 14, fire grate reducing motor; 15, lighting-up tuyere; 16, right inspection cover; 17, fresh air inlet; 18, side inspection cover; 19, fire-assembling hole; 20, drying box; 21, radiant panel; 22, secondary air hole; 23, ash slag box shell; 24, slag case inner casing; 25, support plate; 26, reciprocal quiet fire grate; 27, air compartment baffle; 28, pulley; 29, toward the double action fire grate; 30, moving fire grate connecting rod; 31, igniter; 32, chimney arch inner casing; 33, chimney arch shell.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments:
a kind of biomass straw particle burner, as Fig. 1, 2, 3, 4, 5, 6, 7, shown in 8, comprise chimney arch 3, the right-hand member of chimney arch 3 is fixedly connected with burner hopper 2 by burner master flange 10, chimney arch 3 left ends are fixedly connected with ash slag box 6 by adpting flange 5, chimney arch 3 communicates with burner hopper 2 and ash slag box 6 respectively, it is characterized in that: be fixedly connected with drying box 20 in described burner hopper 2, drying box 20 upper ends are fixedly connected with charging aperture 1, drying box 20 lower ending openings, drying box 20 communicates with burner hopper 2, burner hopper 2 upper surfaces are fixedly connected with fresh air inlet 17, the rear surface of burner hopper 2 has lighting-up tuyere 15, igniter 31 is installed in lighting-up tuyere 15, the front surface of burner hopper 2 is designed with side inspection cover 18, lighting-up tuyere 15 is corresponding with drying box 20, burner hopper 2 right-hand members are equipped with right inspection cover 16, chimney arch 3 comprises chimney arch inner casing 32 and chimney arch shell 33, the top of the front surface of chimney arch 3 is equipped with flame-observing hole 4, the bottom of the front surface of chimney arch 3 is designed with a plurality of shoot doors 9, before chimney arch inner casing 32, rear inner surface is fixedly connected with radiant panel 21, radiant panel 21 is positioned at the right part of chimney arch 3, radiant panel 21 is corresponding with drying box 20, the top of chimney arch inner casing 32 has secondary air hole 22, the lower surface of chimney arch shell 33 is fixedly connected with pulley 28, the lower surface of chimney arch shell 33 also is fixedly connected with air compartment baffle 27, before the bottom of chimney arch inner casing 32 and burner hopper 2, be fixedly connected with reciprocal quiet fire grate 26 on rear inner surface, the inner surface of the left wall of chimney arch inner casing 32 is fixedly connected with support plate 25, one of them reciprocal quiet fire grate 26 is positioned at above support plate 25, be designed with above reciprocal quiet fire grate 26 toward double action fire grate 29, an end toward double action fire grate 29 is hinged with moving fire grate connecting rod 30, the lower end of moving fire grate connecting rod 30 is hinged with fire grate connecting rod 11, fire grate connecting rod 11 is positioned at above pulley 28, fire grate connecting rod 11 contacts with pulley 28, the right-hand member of fire grate connecting rod 11 is connected with the fire grate reducing motor 14 with regulating wheel 13, the bottom on burner hopper 2 right sides is fixedly connected with motor support base 12, motor support base 12 is fixedly connected with fire grate reducing motor 14, the upper surface of chimney arch 3 has fire-assembling hole 19, air compartment baffle is divided into several parts with the chimney arch bottom, is conducive to the segmentation air feed, is conducive to burning, radiant panel is two " v " shapes, in the present embodiment, chimney arch 3 is elliptical shape, reciprocal quiet fire grate and be combined into the step reciprocating fire grate toward double action stove group, in the present embodiment, ash slag box 6 comprises ash slag box shell 23 and ash slag box inner casing 24, be filled with heat-barrier material between ash slag box shell 23 and ash slag box inner casing 24, ash slag box 6 bottoms are designed with shoot door 8 under ash slag box, the left side of ash slag box 6 is designed with ash slag box side shoot door 7, and heat-barrier material can be avoided the loss of heat.
The biomass straw granular fuel enters drying box through charging aperture, the present invention moves beginning, igniter starts the fuel in the drying box that ignites, fuel is positioned at moving fire grate connecting rod on pulley what the fire grate reducing motor drove, thereby drive the action toward the double action fire grate, then enter the top of chimney arch through radiant panel, burning produces flame, a heat part enters body of heater by the poly-jet-burner of chimney arch, part heat is radiated to drying box through radiant panel, for the drying of fuel provides heat, make fuel enter drying regime; The lime-ash that fuel combustion produces enters ash slag box at reciprocal quiet fire grate with under the common promotion of double action fire grate, discharges outside the present invention through shoot door under ash slag box or ash slag box side shoot door.
Air feed of the present invention is by the fresh air inlet air feed, and the air feed part after heating enters under the double action fire grate, cuts off in dividing of air compartment baffle and forms several air compartments, enters the top of chimney arch through reciprocal grate, and the top of chimney arch is the combustion chamber, as a required wind of burning; A part enters the combustion chamber by the secondary air hole of trapezoidal profile, as the required Secondary Air of burning.
The present invention can overhaul by front inspection cover, side inspection cover.
Claims (3)
1. biomass straw particle burner, comprise chimney arch (3), the right-hand member of chimney arch (3) is fixedly connected with burner hopper (2) by burner master flange (10), chimney arch (3) left end is fixedly connected with ash slag box (6) by adpting flange (5), chimney arch (3) communicates with burner hopper (2) and ash slag box (6) respectively, it is characterized in that: be fixedly connected with drying box (20) in described burner hopper (2), drying box (20) upper end is fixedly connected with charging aperture (1), drying box (20) lower ending opening, drying box (20) communicates with burner hopper (2), burner hopper (2) upper surface is fixedly connected with fresh air inlet (17), the rear surface of burner hopper (2) has lighting-up tuyere (15), igniter (31) is installed in lighting-up tuyere (15), the front surface of burner hopper (2) is designed with side inspection cover (18), lighting-up tuyere (15) is corresponding with drying box (20), burner hopper (2) right-hand member is equipped with right inspection cover (16), chimney arch (3) comprises chimney arch inner casing (32) and chimney arch shell (33), the top of the front surface of chimney arch (3) is equipped with flame-observing hole (4), the bottom of the front surface of chimney arch (3) is designed with a plurality of shoot doors (9), before chimney arch inner casing (32), rear inner surface is fixedly connected with radiant panel (21), radiant panel (21) is positioned at the right part of chimney arch (3), radiant panel (21) is corresponding with drying box (20), the top of chimney arch inner casing (32) has secondary air hole (22), the lower surface of chimney arch shell (33) is fixedly connected with pulley (28), the lower surface of chimney arch shell (33) also is fixedly connected with air compartment baffle (27), before the bottom of chimney arch inner casing (32) and burner hopper (2), be fixedly connected with reciprocal quiet fire grate (26) on rear inner surface, the inner surface of the left wall of chimney arch inner casing (32) is fixedly connected with support plate (25), one of them reciprocal quiet fire grate (26) is positioned at above support plate (25), be designed with above reciprocal quiet fire grate (26) toward double action fire grate (29), an end toward double action fire grate (29) is hinged with moving fire grate connecting rod (30), the lower end of moving fire grate connecting rod (30) is hinged with fire grate connecting rod (11), fire grate connecting rod (11) is positioned at above pulley (28), fire grate connecting rod (11) contacts with pulley (28), the right-hand member of fire grate connecting rod (11) is connected with the fire grate reducing motor (14) of band regulating wheel (13), the bottom on burner hopper (2) right side is fixedly connected with motor support base (12), motor support base (12) is fixedly connected with fire grate reducing motor (14), the upper surface of chimney arch (3) has fire-assembling hole (19).
2. biomass straw particle burner according to claim 1, it is characterized in that: described chimney arch (3) is elliptical shape.
3. biomass straw particle burner according to claim 2, it is characterized in that: described ash slag box (6) comprises ash slag box shell (23) and ash slag box inner casing (24), be filled with heat-barrier material between ash slag box shell (23) and ash slag box inner casing (24), ash slag box (6) bottom is designed with shoot door under ash slag box (8), and the left side of ash slag box (6) is designed with ash slag box side shoot door (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110159658 CN102261646B (en) | 2011-06-15 | 2011-06-15 | Biomass straw pellet combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110159658 CN102261646B (en) | 2011-06-15 | 2011-06-15 | Biomass straw pellet combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102261646A CN102261646A (en) | 2011-11-30 |
| CN102261646B true CN102261646B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110159658 Expired - Fee Related CN102261646B (en) | 2011-06-15 | 2011-06-15 | Biomass straw pellet combustor |
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| Country | Link |
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| CN (1) | CN102261646B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537938A (en) * | 2012-01-06 | 2012-07-04 | 内蒙古方圆科技有限公司 | Burner for biomass granules with high ash content |
| CN113623667B (en) * | 2021-08-11 | 2022-04-05 | 无锡市万方能源设备有限公司 | Flue gas treatment combustor for flue gas purification and cleaning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388557Y (en) * | 1999-01-18 | 2000-07-19 | 沈阳铁路局吉林科学技术研究所 | Firewood-fired hot-pipe air heating furnace |
| CN2644902Y (en) * | 2003-08-18 | 2004-09-29 | 周兴初 | Down-draft kiln smokeless reciprocating furnace bed arced crown vault coal-burning installation |
| CN1904479A (en) * | 2006-07-31 | 2007-01-31 | 周开根 | Tunnel combustion chamber and its constructed smoke dust less fuel coal and biomass equipment |
| CN201242269Y (en) * | 2008-06-30 | 2009-05-20 | 王黎明 | High-efficiency environment-protective hot-air stove with mobile horizontal reciprocating grate |
| CN202141037U (en) * | 2011-06-15 | 2012-02-08 | 山东多乐采暖设备有限责任公司 | Biomass straw particle burner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026936B2 (en) * | 1981-10-31 | 1985-06-26 | 明光産業株式会社 | wood chip combustion equipment |
-
2011
- 2011-06-15 CN CN 201110159658 patent/CN102261646B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388557Y (en) * | 1999-01-18 | 2000-07-19 | 沈阳铁路局吉林科学技术研究所 | Firewood-fired hot-pipe air heating furnace |
| CN2644902Y (en) * | 2003-08-18 | 2004-09-29 | 周兴初 | Down-draft kiln smokeless reciprocating furnace bed arced crown vault coal-burning installation |
| CN1904479A (en) * | 2006-07-31 | 2007-01-31 | 周开根 | Tunnel combustion chamber and its constructed smoke dust less fuel coal and biomass equipment |
| CN201242269Y (en) * | 2008-06-30 | 2009-05-20 | 王黎明 | High-efficiency environment-protective hot-air stove with mobile horizontal reciprocating grate |
| CN202141037U (en) * | 2011-06-15 | 2012-02-08 | 山东多乐采暖设备有限责任公司 | Biomass straw particle burner |
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| Publication number | Publication date |
|---|---|
| CN102261646A (en) | 2011-11-30 |
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Granted publication date: 20130605 Termination date: 20180615 |
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