CN104266220A - Anti-flashover isolating device and anti-flashover isolating method of biomass layer-burning boiler - Google Patents
Anti-flashover isolating device and anti-flashover isolating method of biomass layer-burning boiler Download PDFInfo
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- CN104266220A CN104266220A CN201410476213.1A CN201410476213A CN104266220A CN 104266220 A CN104266220 A CN 104266220A CN 201410476213 A CN201410476213 A CN 201410476213A CN 104266220 A CN104266220 A CN 104266220A
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- Prior art keywords
- feed hopper
- hong
- combustion
- burner hearth
- fire grate
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- 239000002028 Biomass Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 8
- 239000000446 fuel Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims description 59
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The invention belongs to the technical field of burning equipment, and provides an anti-flashover isolating device of a biomass layer-burning boiler. The anti-flashover isolating device comprises a feed hopper, a hearth, a fire grate, a power mechanism, a pulley mechanism and an isolating door, wherein the hearth is arranged adjacent to the feed hopper; the fire grate is arranged below the hearth and the feed hopper and is used for conveying a fuel falling from the feed hopper into the hearth; the isolating door is arranged right above the hearth and is positioned between the feed hopper and the hearth; the pulley mechanism comprises a pulley block and a traction rope; the traction rope bypasses the pulley block; one end of the traction rope is connected with an output end of the power mechanism, and the other end of the traction rope is connected with the isolating door. According to the anti-flashover isolating device of the biomass layer-burning boiler, a passage between the fuel and the hearth can be isolated to prevent volatile gas of the fuel from escaping and entering the hearth under the action of after heat after closing of the boiler so as not to cause flashover, so that safety accidents are prevented.
Description
Technical field
The invention belongs to technical field of combustion equipment, be specifically related to a kind of anti-Hong combustion spacer assembly of biomass layer combustion boiler and anti-Hong combustion partition method.
Background technology
Along with the fast development of human society, energy-output ratio as development foundation also increases day by day, traditional fossil energy is faced with resource exhaustion, the problems such as contaminated environment, biomass energy is a kind of green energy resource, have renewable, total amount is large, the features such as environmental pollution is little, progressively obtain the attention of all circles, biomass layer combustion boiler is the equipment being obtained heat energy by the burning of biomass fuel, current a lot of biomass layer combustion boiler is all formed by coal-fired grate furnace transformation before, do not redesign according to the high incendive feature of living beings volatility, this safe operation being biomass layer combustion boiler leaves hidden danger.
After boiler ventilation apparatus is out of service, boiler flameout, if fuel continues to fall into fire grate from feed hopper, enter in burner hearth and travel forward, now fuel is subject to the heat transfer effect of the hyperthermia radiation in burner hearth, escaping gas of overflowing, and escaping gas is gathered in burner hearth and reaches after finite concentration, Hong combustion just may be caused to occur, have a strong impact on equipment safety operation and harm worker safety.
Summary of the invention
Based on above weak point, the technical problem to be solved in the present invention is to provide a kind of anti-Hong combustion spacer assembly of biomass layer combustion boiler, it can by the passageway break between fuel and burner hearth, prevent from closing fuel after boiler to overflow under waste heat effect escaping gas enter burner hearth and cause Hong combustion, cause security incident.
For solving above technical problem, present invention employs following technical scheme:
A kind of anti-Hong combustion spacer assembly of biomass layer combustion boiler, comprise feed hopper, burner hearth, fire grate, actuating unit, pulley mechanism and isolating door, described burner hearth and feed hopper are disposed adjacent, described fire grate is arranged on the fuel area density that falls below burner hearth and feed hopper and by feed hopper in described burner hearth, described isolating door is arranged on directly over described fire grate, and between feed hopper and burner hearth, described pulley mechanism comprises assembly pulley and pull rope, described assembly pulley walked around by described pull rope, one end of described pull rope is connected with the output of actuating unit, the other end is connected with described isolating door.
One end of described pull rope is connected with described actuating unit by rotating shaft.
Described assembly pulley comprises the first fixed pulley and the second fixed pulley, and described first fixed pulley and described second fixed pulley are all arranged between described feed hopper and described burner hearth, and described first fixed pulley is arranged on the top of described second fixed pulley.
The width of described isolating door is larger than the width of described fire grate.
The cross section of described isolating door is wedge shape.
Also comprise striker plate, described striker plate is arranged between described feed hopper and described fire grate, and described striker plate is fixed on described pull rope.
Be provided with sliding rail between described feed hopper and described fire grate, described striker plate is arranged on described sliding rail.
The both sides of described sliding rail are respectively arranged with pilot hole, and described striker plate is provided with gim peg, and the two ends of described gim peg are inserted in described pilot hole respectively.
Described feeding funnel bottom part is provided with charging aperture, and described striker plate is than described charging aperture long 10%-20%.
Another technical problem that the present invention will solve is to provide a kind of anti-Hong combustion partition method, it can by the passageway break between fuel and burner hearth, prevent from closing fuel after boiler to overflow under waste heat effect escaping gas enter burner hearth and cause Hong combustion, cause security incident, and the fuel gas in burner hearth can be dispelled, prevent security incident from occurring further.
For solving above technical problem, present invention employs following technical scheme:
A kind of anti-Hong combustion partition method, comprises the following steps:
(1) disconnecting actuating unit makes it stop Power output, and isolating door falls under gravity gradually, and drives striker plate to move toward feed hopper direction;
(2) fire grate is closed;
(3) ventilation apparatus time delay runs after more than 10 minutes and closes.
Adopt above technical scheme, the beneficial effect acquired by the present invention is:
(1) anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention, can by the passageway break between fuel and burner hearth, and after preventing closing boiler, fuel is overflowed escaping gas enter burner hearth and cause Hong combustion under waste heat effect, causes security incident;
(2) striker plate and isolating door are designed to link, and can be opened by the passage between fuel and burner hearth while opening charging aperture, and by the pathway closure between fuel and burner hearth while closedown charging aperture;
(3) ventilation apparatus time delay runs after more than 10 minutes and closes, and the fuel gas in burner hearth can be dispelled, and prevents Hong combustion phenomenon further, prevents security incident from occurring.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technology of the present invention is described in further detail:
Fig. 1 is the overall structure figure of anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention;
Fig. 2 is the front view of the mounting structure of the striker plate of anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention;
Fig. 3 is the top view of the mounting structure of the striker plate of anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention, comprise feed hopper 1, burner hearth 2, fire grate 3, actuating unit, pulley mechanism 5 and isolating door 6, burner hearth 2 and feed hopper 1 are disposed adjacent, fire grate 3 is arranged on the fuel area density that falls below burner hearth 2 and feed hopper 1 and by feed hopper 1 in burner hearth 2, isolating door 6 is arranged on directly over fire grate 3, and between feed hopper 1 and burner hearth 2, actuating unit is arranged on the side of feed hopper 1 away from burner hearth 2, pulley mechanism 5 comprises assembly pulley and pull rope 53, described assembly pulley walked around by described pull rope 53, described one end of pull rope 53 is connected with the output of actuating unit, the other end is connected with described isolating door 6.Anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention can by the passageway break between fuel and burner hearth 2, and after preventing closing boiler, fuel is overflowed escaping gas enter burner hearth 2 and cause Hong combustion under waste heat effect, causes security incident.
Wherein, one end of pull rope 53 is connected with actuating unit by rotating shaft 7, assembly pulley comprises the first fixed pulley 51, second fixed pulley 52, first fixed pulley 51 and the second fixed pulley 52 are all arranged between feed hopper 1 and burner hearth 2, first fixed pulley 51 is arranged on the top of the second fixed pulley 52, and the first fixed pulley 51 and the second fixed pulley 52 walked around successively by pull rope 53.
Wherein, the width of isolating door 6 is larger than the width of fire grate 3, spacing between the aspect ratio fire grate 3 of isolating door 6 and burner hearth 2 exceeds 20%, stop that fuel enters burner hearth 2, the cross section of isolating door 6 is wedge shape, isolating door 6 is close to the outer wall of burner hearth 2 near the one side of burner hearth, and isolating door 6 can drop on fire grate 3 smoothly along the outer wall of burner hearth 2, and is fully cut off by the passage between fuel and burner hearth 2.
Wherein, anti-Hong the combustion spacer assembly of the present invention also comprises striker plate 4, striker plate 4 is arranged between feed hopper 1 and fire grate 3, striker plate 4 is fixed on pull rope 53, it is interaction relation between striker plate 4 and isolating door 6, when isolating door 6 falls passageway break between feed hopper 1 and burner hearth 2, striker plate 4 also moves towards the direction of feed hopper 1 feed hopper 1 to close and stops fuel to fall on fire grate 3; When startup actuating unit, under the effect of pulley mechanism, striker plate 4 moves towards the direction of actuating unit and is opened by charging aperture, and isolating door 6 moves, fuel can enter burner hearth 2 and burn, easy and simple to handle simultaneously.
Sliding rail 8 is provided with between feed hopper 1 and fire grate 3, striker plate 4 is arranged on sliding rail 8, the both sides of sliding rail 8 are provided with pilot hole 81, striker plate 4 is provided with gim peg 41, the two ends of gim peg 41 are inserted in described pilot hole 81 respectively, when striker plate 4 moves to one end of sliding rail 8, gim peg 41 can be stuck in pilot hole 81 end restriction striker plate 4 and continue mobile.
Wherein, striker plate 4 is than described charging aperture long 10%-20%, and after starting actuating unit like this, fuel can not fall at once, and the time of leaving starts fire grate 3, prevents fuel from piling up and causes burning insufficient on fire grate 3.
Wherein, be also provided with ventilation apparatus in burner hearth, ventilation apparatus provides enough oxygen for fuel combustion, and the fuel gas in burner hearth 2 can be dispelled, and prevents Hong combustion phenomenon from occurring further.
The use procedure of anti-Hong the combustion spacer assembly of biomass layer combustion boiler of the present invention is as follows:
During starting trouble, first start ventilation apparatus, ventilation apparatus first runs 5 minutes, burner hearth 2 inside starts to ventilate, blow away the fuel gas remaining in boiler internal, then actuating unit is started, motor rotation drives rotating shaft 7 to rotate, rotating shaft 7 rotating band movable pulley mechanism 5 runs, striker plate 4 slides along sliding rail 8 to actuating unit direction, because the length of striker plate 4 grows 10%-20% than the length of charging aperture, fuel temporarily can not fall, isolating door 6 upwards rises along with the operation of pulley mechanism 5, and then fire grate 3 is started, fuel on fire grate 3 with fire grate 3 to burner hearth 2 internal motion, then be heated and burn, when striker plate 4 moves to the end of sliding rail 8, the end restriction striker plate 4 that gim peg 41 is stuck in pilot hole 81 continues mobile.
When closing boiler, first disconnect the switch of actuating unit, isolating door 6 declines under self gravitation effect, and drive striker plate 4 to move towards the direction of feed hopper 1, charging aperture is closed, isolating door 6 along the outer wall of burner hearth 2 fall and with fire grate 3 surface contact, by the passageway break between fuel and burner hearth 2, prevent fuel overflow under waste heat effect escaping gas and be gathered in burner hearth 2 cause Hong combustion, ensure that security, and then close fire grate 3, then ventilation apparatus time delay runs after more than 10 minutes and closes, dispel fuel gas in stove, boiler is out of service.
Last it is noted that these are only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. anti-Hong the combustion spacer assembly of a biomass layer combustion boiler, it is characterized in that: comprise feed hopper, burner hearth, fire grate, actuating unit, pulley mechanism and isolating door, described burner hearth and feed hopper are disposed adjacent, described fire grate is arranged on the fuel area density that falls below burner hearth and feed hopper and by feed hopper in described burner hearth, described isolating door is arranged on directly over described fire grate, and between feed hopper and burner hearth, described pulley mechanism comprises assembly pulley and pull rope, described assembly pulley walked around by described pull rope, one end of described pull rope is connected with the output of actuating unit, the other end is connected with described isolating door.
2. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 1, is characterized in that: one end of described pull rope is connected with described actuating unit by rotating shaft.
3. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 1 and 2, it is characterized in that: described assembly pulley comprises the first fixed pulley and the second fixed pulley, described first fixed pulley and described second fixed pulley are all arranged between described feed hopper and described burner hearth, and described first fixed pulley is arranged on the top of described second fixed pulley.
4. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 1, is characterized in that: the width of described isolating door is larger than the width of described fire grate.
5. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 1, is characterized in that: the cross section of described isolating door is wedge shape.
6. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 1, it is characterized in that: also comprise striker plate, described striker plate is arranged between described feed hopper and described fire grate, and described striker plate is fixed on described pull rope.
7. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 6, it is characterized in that: be provided with sliding rail between described feed hopper and described fire grate, described striker plate is arranged on described sliding rail.
8. anti-Hong the combustion spacer assembly of biomass layer combustion boiler according to claim 7, it is characterized in that: the both sides of described sliding rail are respectively arranged with pilot hole, described striker plate is provided with gim peg, and the two ends of described gim peg are inserted in described pilot hole respectively.
9., according to anti-Hong the combustion spacer assembly of the biomass layer combustion boiler in claim 6-8 described in any one, it is characterized in that: described feeding funnel bottom part is provided with charging aperture, described striker plate is than described charging aperture long 10%-20%.
10. anti-Hong a combustion partition method, is characterized in that comprising the following steps:
(1) disconnecting actuating unit makes it stop Power output, and isolating door falls under gravity gradually, and drives striker plate to move toward feed hopper direction;
(2) fire grate is closed;
(3) ventilation apparatus time delay runs after more than 10 minutes and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476213.1A CN104266220B (en) | 2014-09-17 | 2014-09-17 | A kind of the anti-of biomass layer combustion boiler flashes over isolating device and prevents flashing over partition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476213.1A CN104266220B (en) | 2014-09-17 | 2014-09-17 | A kind of the anti-of biomass layer combustion boiler flashes over isolating device and prevents flashing over partition method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266220A true CN104266220A (en) | 2015-01-07 |
| CN104266220B CN104266220B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410476213.1A Active CN104266220B (en) | 2014-09-17 | 2014-09-17 | A kind of the anti-of biomass layer combustion boiler flashes over isolating device and prevents flashing over partition method |
Country Status (1)
| Country | Link |
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| CN (1) | CN104266220B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676584A (en) * | 2015-01-13 | 2015-06-03 | 华南理工大学 | Biomass boiler and method for using heat energy by biomass boiler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207982U (en) * | 1987-05-12 | 1988-04-27 | 哈尔滨电机厂 | Industrial furnace with flexible lining and sealing device |
| US5042401A (en) * | 1990-06-04 | 1991-08-27 | Westinghouse Electric Corp. | Water cooled rolling grate incinerator |
| CN2632501Y (en) * | 2003-06-11 | 2004-08-11 | 济南东风锅炉厂 | Boiler with coal loss meter |
| US20050098072A1 (en) * | 2003-11-10 | 2005-05-12 | Rem Engineering, Inc. | Method and apparatus for the gasification and combustion of animal waste, human waste, and/or biomass using a moving grate over a stationary perforated plate in a configured chamber |
| CN101498503A (en) * | 2008-01-30 | 2009-08-05 | 四川省南充蚕具研究有限公司 | Coal burning hot air furnace with horizontal-reciprocating grate |
| CN204114985U (en) * | 2014-09-17 | 2015-01-21 | 广州特种承压设备检测研究院 | A kind of anti-Hong combustion spacer assembly of biomass layer combustion boiler |
-
2014
- 2014-09-17 CN CN201410476213.1A patent/CN104266220B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207982U (en) * | 1987-05-12 | 1988-04-27 | 哈尔滨电机厂 | Industrial furnace with flexible lining and sealing device |
| US5042401A (en) * | 1990-06-04 | 1991-08-27 | Westinghouse Electric Corp. | Water cooled rolling grate incinerator |
| CN2632501Y (en) * | 2003-06-11 | 2004-08-11 | 济南东风锅炉厂 | Boiler with coal loss meter |
| US20050098072A1 (en) * | 2003-11-10 | 2005-05-12 | Rem Engineering, Inc. | Method and apparatus for the gasification and combustion of animal waste, human waste, and/or biomass using a moving grate over a stationary perforated plate in a configured chamber |
| CN101498503A (en) * | 2008-01-30 | 2009-08-05 | 四川省南充蚕具研究有限公司 | Coal burning hot air furnace with horizontal-reciprocating grate |
| CN204114985U (en) * | 2014-09-17 | 2015-01-21 | 广州特种承压设备检测研究院 | A kind of anti-Hong combustion spacer assembly of biomass layer combustion boiler |
Non-Patent Citations (1)
| Title |
|---|
| 黄绍萱等: "《工业锅炉安全运行技术基础》", 31 October 1987, article "停炉", pages: 276-277 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676584A (en) * | 2015-01-13 | 2015-06-03 | 华南理工大学 | Biomass boiler and method for using heat energy by biomass boiler |
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| CN104266220B (en) | 2017-03-01 |
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Effective date of registration: 20240527 Address after: 510663 No.9, Keke Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Special Equipment Testing and Research Institute (Guangzhou Special Equipment Accident Investigation Technology Center Guangzhou Elevator Safety Operation Monitoring Center) Country or region after: China Address before: Room 322, No. 9 Science Research Road, Luogang District, Guangzhou City, Guangdong Province, 510633 Patentee before: GUANGZHOU SPECIAL PRESSURE EQUIPMENT INSPECTION AND Research Institute Country or region before: China |
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