CN102878563B - Multi-drive high-pressure-loss fire grate type household garbage burning device - Google Patents

Multi-drive high-pressure-loss fire grate type household garbage burning device Download PDF

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Publication number
CN102878563B
CN102878563B CN201210334072.0A CN201210334072A CN102878563B CN 102878563 B CN102878563 B CN 102878563B CN 201210334072 A CN201210334072 A CN 201210334072A CN 102878563 B CN102878563 B CN 102878563B
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CN
China
Prior art keywords
fire grate
grate
piece
burning
crushing
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CN201210334072.0A
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Chinese (zh)
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CN102878563A (en
Inventor
吕庆忠
原峰
白茹
陈彦江
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上海南一环保科技有限公司
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Priority to CN201210334072.0A priority Critical patent/CN102878563B/en
Publication of CN102878563A publication Critical patent/CN102878563A/en
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Publication of CN102878563B publication Critical patent/CN102878563B/en

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Abstract

The invention discloses a multi-drive high-pressure-loss fire grate type household garbage burning device. The device comprises a garbage charging hopper, a material pusher, a multi-segment fire grate, a slag discharger, a burning chamber and an igniting and burning-assisting device, wherein the multi-segment fire grate also comprises a drying segment, a burning segment and a burning-out segment; every segment of the fire grate consists of a plurality of fire grate module units in the length direction and the width direction; every fire grate module unit also comprises a hydraulic cylinder, driving beams, movable fire grate beams, fixed fire grate beams, fixed fire grate blocks, movable fire grate blocks and an air chamber, and is used for independent driving and air distribution; the fixed fire grate beams are welded on frames on two sides of the device; the movable fire grate beams are welded on the movable driving beams on two sides of the device; the movable fire grate blocks are arranged on the movable fire grate beams; the fixed fire grate blocks are arranged on the fixed fire grate beams; the movable fire grate blocks and the fixed fire grate blocks are arranged in lines alternately; and the drying segment, the burning segment and the burning-out segment are horizontally inclined to the downside at an angle respectively.

Description

A kind of high crushing grate-type consumer waste incineration device that drives more
Technical field
The present invention relates to consumer waste incineration field, particularly a kind of high crushing grate-type consumer waste incineration device that drives more.
Background technology
Along with the development of socioeconomic development, particularly urbanization process, the quantity of house refuse increases just gradually, and the burning of house refuse is one of major way of garbage disposal.The development trend of the burning of house refuse is again taking stoker fired grate formula incinerator as main, and the equipment of the main fire grate of existing market manufacturer respectively has feature, and the overwhelming majority is applicable to medium and small stoker fired grate formula incinerator, and separate unit disposal ability is less more than 700 t/d.
Summary of the invention
The present invention is directed to prior art above shortcomings, a kind of high crushing grate-type consumer waste incineration device that drives is provided more.The present invention adopts the structure of modularization fire grate unit, can go out the incinerator of separate unit garbage treatment quantity at 200t/d~1200 t/d according to the various combination for the treatment of capacity easily, fire grate modular unit has the feature of high crushing, can make rubbish on fire grate, carry out better, burn more fully.
The present invention is achieved through the following technical solutions:
A kind of high crushing grate-type consumer waste incineration device that drives, comprises garbage feeding bucket more, pusher, multistage fire grate, mucking machine, combustion chamber, igniting and assisted combustion device, multistage fire grate is further divided into dryer section, burning zone, burning segment, every section of fire grate is being grown, on cross direction, be made up of some fire grate modular units, fire grate modular unit further comprises: hydraulic cylinder, drive beam, travelling oven stringer, stationary furnace stringer, fixed grate piece, moving grate piece and air compartment, in order to drive and air distribution, stationary furnace stringer is welded on the framework on both sides, travelling oven stringer is welded on the mobilizable driving beam in both sides, moving grate piece is arranged on travelling oven stringer, fixed grate piece is arranged on stationary furnace stringer, and moving grate piece and fixed grate piece are embarked on journey and alternately arranged, dryer section, burning zone, burning segment is the downward-sloping angle of level respectively, along with Driven by Hydraulic Cylinder moving grate piece moves back and forth, promotes rubbish and moves downstream gradually, and complete the stirring to rubbish.
Preferably, the fire grate air outlet of dryer section, burning zone arranges upward, and the fire grate air outlet of burning segment arranges down.
Preferably, the supporting surface between fire grate piece and fire grate beam adopts globoidal structure.
Preferably, between fixed grate piece and moving grate piece, do not establish gap, and strained by the pull bar under fire grate.
Preferably, between fixed grate piece and moving grate piece, be level and smooth sliding friction surface.
Preferably, between dryer section, burning zone, burning segment, be provided with drop.
Preferably, fire grate piece is high-chromium casting.
Preferably, the fire grate back side also comprises some fin, and end is overleaf provided with deep bead.
Preferably, drive beam to adopt rotating roller support.
Preferably, the angle of inclination of dryer section and burning zone is between 10-25 degree, and the angle of inclination of burning segment is between 0-10 degree.
Preferably, fire grate modular unit end is provided with the angle guide plate for adjusting fire grate piece movement angle.
Preferably, the angle of the direction of motion of moving grate piece is between 15-25 degree, and stroke is between 150-250 millimeter.
Brief description of the drawings
Fig. 1 is the generalized section of one embodiment of the invention;
Fig. 2 is the generalized section of the fire grate modular unit of one embodiment of the invention;
Fig. 3 is the generalized section of the fire grate modular unit of one embodiment of the invention;
Fig. 4 is every row fire grate piece schematic bottom view of the fire grate modular unit of one embodiment of the invention;
Fig. 5 is the dryer section of one embodiment of the invention and the generalized section of burning zone fire grate piece;
Fig. 6 is the dryer section of one embodiment of the invention and the schematic bottom view of burning zone fire grate piece;
Fig. 7 is the generalized section of the after-flame section fire grate piece of one embodiment of the invention;
Fig. 8 is the bottom surface face schematic diagram of the after-flame section fire grate piece of one embodiment of the invention;
Fig. 9 is the plane of the dryer section fire grate of one embodiment of the invention.
Detailed description of the invention
A kind of high crushing grate-type consumer waste incineration device that drives more, comprise garbage feeding bucket 1, pusher 2, multistage fire grate, mucking machine 9, combustion chamber 10, igniting and assisted combustion device 11, 12, multistage fire grate is further divided into dryer section 3, burning zone 4, burning segment 5, every section of fire grate is being grown, on cross direction, formed by some fire grate modular units, fire grate modular unit further comprises: hydraulic cylinder 101, drive beam 102, travelling oven stringer 104, stationary furnace stringer 105, fixed grate piece 106, moving grate piece 107 and air compartment 109, in order to drive and air distribution, moving grate piece 107 is arranged on travelling oven stringer 104, fixed grate piece 106 is arranged on stationary furnace stringer 105, moving grate piece 107 is embarked on journey and is alternately arranged with fixed grate piece 106, dryer section 3, burning zone 4, the burning segment 5 downward-sloping angle of level respectively.Below in conjunction with embodiment, the present invention is elaborated, the present embodiment is implemented under taking technical solution of the present invention as prerequisite, has provided detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
Please refer to Fig. 1, a kind of high crushing grate-type consumer waste incineration devices that drive more.By garbage feeding bucket 1, pusher 2, multistage fire grate, (fire grate is made up of fire grate modular unit this device, be divided into dryer section 3, burning zone 4, burning segment 5 these 3 parts by function), the poor wall 6 of section between each section of fire grate, the air compartment 7 of each fire grate modular unit, the blowing system 8 of each fire grate modular unit, mucking machine 9, combustion chamber 10, start-up burner 11 and auxiliary burner 12 form.In the longitudinal direction, dryer section is made up of 1 fire grate modular unit fire grate part, and burning zone is made up of 3 fire grate modular units, and burning segment is made up of 2 fire grate modular units; On width, every section of fire grate can form (as shown in Figure 9) by 1 to 4 each fire grate modular unit 501, is combined into the incinerator for the treatment of capacity between 200 tons to 1200 tons; Each fire grate modular unit is provided with independently drive unit; The air distribution of each fire grate modular unit can independently regulate; Each fire grate modular unit by hydraulic cylinder 101, drive beam 102, travelling oven stringer 104, stationary furnace stringer 105, fire grate piece 106 and 107 and air compartment 109 form.Drive the support of beam to adopt rotating roller bearing 103, this structure has greatly reduced motion wearing and tearing, has improved service life.Stationary furnace stringer 105 is alternately arranged with travelling oven stringer 106, stationary furnace stringer is welded on the framework on both sides, travelling oven stringer is welded on mobilizable driving beam 102 of both sides, fixed grate piece 106 is embarked on journey and is alternately arranged with moving grate piece 107, when work, hydraulic cylinder 101 drives moving grate piece to move reciprocatingly, promote rubbish and slowly move downstream, and complete the stirring to rubbish.The moving grate piece of each fire grate modular unit and fixed grate piece are embarked on journey and are alternately arranged, the angle of the direction of motion of moving grate piece arranges between 15 °~25 °, according to the difference of component of refuse, determine the suitable angle that arranges, every section of fire grate modular unit fire grate end has angle guide plate 108, can adjust the movement angle of moving grate piece.The shift motion of every row moving grate 107 is adjustable, and according to component of refuse difference, stroke can be adjustable within the scope of 150mm~250mm.Supporting surface between fire grate piece and brace summer adopts globoidal structure (as shown in Figure 3), and fire grate piece can rotate around brace summer center line like this, reduces the wearing and tearing between moving grate piece and fixed grate piece, has increased the service life of fire grate piece; Between the fixed grate piece of every row or moving grate piece, do not establish gap, and strain (as shown in Figure 4) by the fastening pull rod 401 below fire grate piece.Between moving grate piece 107 and fixed grate piece 106 concordant sliding friction surface is set, reduce like this voidage of fire grate piece and fire grate piece, inleakage is little herein, air compartment 109 below fire grate is sealed by Plate Welding in addition, the fire grate modular unit of this spline structure, voidage between fire grate piece is very low, leak out seldom, the absolutely large portion of combustion air wind all from fire grate piece little wind hole blow out, so fire grate modular unit, there is very large ventilation crushing, the combustion air flow velocity blowing out is very high, be not easy to be like this subject to the impact of rubbish varied in thickness on fire grate, make the cloth wind of each several part on whole fire grate modular unit more even, the uniform and stable burning that promotes rubbish is had to fine effect, dry and the burning zone fire grate piece back side arranges many fin 201, and end arranges deep bead 203 overleaf, can promote the disturbance of combustion air, improves the cooling effect of combustion air to fire grate piece.Fire grate piece adopts high-chromium casting to have high-tensile, high rigidity, and the characteristic of high-temperature corrosion resistance, makes fire grate piece have the higher life-span.Fire grate piece dry and burning zone adopts the air outlet 202 fire grate piece (as shown in Figure 5 and Figure 6) of structure upward, and after-flame section adopts air-out aperture 302 fire grate fast (as shown in Figure 7 and Figure 8) of structure down.Air outlet 202 design upward makes combustion air directly blow to the rubbish of burning, is conducive to like this combustion air and penetrates rubbish promotion burning.Rubbish in after-flame section holds incendive composition and substantially burns down, remaining is mainly not allow incendive part, if at this time still stronger wind directly blows to rubbish, penetrate very soon rubbish, just do not have good effect, we adopt air outlet 302 fire grate piece down herein, combustion air is not directly to blow to rubbish, but blow to fire grate piece surface below, allowing combustion air scatter comes, combustion air can more effectively touch more unburned rubbish like this, can promote unburned rubbish smoulder with following, reduce the hot burn decrement rate of slag.The layout angle of dry fire grate section and combustion grate is that level is downward-sloping, and two sections of fire grate angles are consistent, and according to the difference of component of refuse, angle is arranged between 10 °~25 °; The layout angle of after-flame section fire grate can be horizontally disposed also can the downward-sloping layout of level, according to the difference of component of refuse, angle should be between 0 °~10 °; Dryer section, burning zone, after-flame section arrange drop, and the available laying fireproof bricks of drop part also can be used refractory material casting, and it is loose that the poor setting of section between fire grate is more conducive to rubbish in moving process, promotes burning.
The operating process of the present embodiment is as follows:
1, by hopper flapper closure, by garbage grab bucket, rubbish is put in garbage feeding bucket, seal up hopper.Successively starting ignition burner and auxiliary burner are heated to fire box temperature more than 850, then (attention will be sent into rubbish in hopper in time to open hopper baffle plate, avoid occurring the situation of hopper material sky), allow rubbish fall above pusher, start pusher, , dry fire grate, combustion grate, burn-out grate, fast rubbish is paved with to combustion grate, regulate the air quantity of each section of fire grate according to combustion case, rubbish is blazed up gradually, in guarantee burner hearth, temperature is not less than under 850 DEG C of precursors of 2 seconds, first turn gradually the load of start-up burner down until close, turn gradually the load of auxiliary burner down until close again.While having slag that mucking machine will be fallen into, start mucking machine.After stable combustion condition, drop into ACC(automatic combustion control system, automatic combustion control), the air quantity of automatically being adjusted by ACC below speed and the each section of fire grate of pusher and each section of fire grate maintains incinerator stable operation.
2, control moving back and forth according to certain speed of fire grate by ACC, rubbish is pushed to downstream at leisure, in the moving process of rubbish, along with being constantly dried of rubbish, rubbish can blaze up gradually, until become slag, is discharged to pit by mucking machine.So just complete the combustion process of rubbish.
3, in the time that refuse thermal value is inadequate, by auxiliary burner control fire box temperature be not less than 850 DEG C 2 seconds.
4, maintain furnace temperature by the air quantity of ACC control combustion air, in the time that refuse thermal value is inadequate, by auxiliary burner control fire box temperature be not less than 850 DEG C 2 seconds.The oxygen content that simultaneously also maintains flue gas by the air quantity of control combustion air is concentration when.
Disclosed is above only the application's a specific embodiment, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.

Claims (11)

1., drive a high crushing grate-type consumer waste incineration device more, comprise garbage feeding bucket, pusher, multistage fire grate, mucking machine, combustion chamber, igniting and assisted combustion device, described multistage fire grate is further divided into dryer section, burning zone, burning segment, is characterized in that, every section of fire grate is being grown, on cross direction, be made up of some fire grate modular units, described fire grate modular unit further comprises: hydraulic cylinder, drive beam, travelling oven stringer, stationary furnace stringer, fixed grate piece, moving grate piece and air compartment, in order to drive and air distribution, described stationary furnace stringer is welded on the framework on both sides, described travelling oven stringer is welded on the mobilizable driving beam in both sides, described moving grate piece is arranged on described travelling oven stringer, described fixed grate piece is arranged on described stationary furnace stringer, and described moving grate piece and fixed grate piece are embarked on journey and alternately arranged, described dryer section, burning zone, burning segment is the downward-sloping angle of level respectively, along with Driven by Hydraulic Cylinder moving grate piece moves back and forth, promotes rubbish and moves downstream gradually, and complete the stirring to rubbish,
The fire grate air outlet of described dryer section, burning zone arranges upward, and the fire grate air outlet of described burning segment arranges down.
2. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and the supporting surface between fire grate piece and fire grate beam adopts globoidal structure.
3. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, does not establish gap, and strained by the pull bar under fire grate between described fixed grate piece and moving grate piece.
4. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, is level and smooth sliding friction surface between described fixed grate piece and moving grate piece.
5. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, between described dryer section, burning zone, burning segment, is provided with drop.
6. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and fire grate piece is high-chromium casting.
7. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and the described fire grate back side also comprises some fin, and end is overleaf provided with deep bead.
8. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and described driving beam adopts rotating roller support.
9. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and the angle of inclination of described dryer section and burning zone is between 10-25 degree, and the angle of inclination of described burning segment is between 0-10 degree.
10. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1, is characterized in that more, and described fire grate modular unit end is provided with the angle guide plate for adjusting described moving grate piece movement angle.
The 11. high crushing grate-type consumer waste incineration devices that drive as claimed in claim 10, is characterized in that, the angle of the direction of motion of described moving grate piece is between 15-25 degree more, and stroke is between 150-250 millimeter.
CN201210334072.0A 2012-09-12 2012-09-12 Multi-drive high-pressure-loss fire grate type household garbage burning device CN102878563B (en)

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CN102878563B true CN102878563B (en) 2014-08-27

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN103134056B (en) * 2013-02-28 2015-05-20 潍坊金丝达环境工程股份有限公司 Powder combustible material combustion fire grate
CN103742917B (en) * 2014-01-06 2016-01-06 桂林洁宇环保科技有限责任公司 A kind of burning is completely to the free of contamination consumer waste incineration device of air
CN104566391A (en) * 2014-12-25 2015-04-29 光大环保(中国)有限公司 Garbage incineration feeding device and garbage incinerator
CN104654315A (en) * 2014-12-30 2015-05-27 桑德环境资源股份有限公司 Control system of waste incineration treatment line
JP6397107B1 (en) * 2017-10-17 2018-09-26 三菱重工環境・化学エンジニアリング株式会社 Stoker furnace for burning incinerated materials such as garbage

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CN2568977Y (en) * 2002-09-24 2003-08-27 山东鲁丰机械厂 Refuse incinerator with stepped horizontal reciprocating fire grate
CN201141604Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Segmenting-drive combined grate system
CN201382424Y (en) * 2009-05-07 2010-01-13 哈尔滨亚华锅炉炉排制造有限公司 80-ton to 130-ton reciprocating grate
CN100582579C (en) * 2004-07-15 2010-01-20 伦特杰斯有限责任公司 Fire grate plate and corresponding incinerate fire grate and refuse incinerate equipment
CN201589274U (en) * 2009-12-25 2010-09-22 江苏福昌环保科技集团有限公司 Fire grate segment of garbage incinerator fire grate
CN102620297A (en) * 2012-04-26 2012-08-01 江苏天楹环保能源股份有限公司 Unit modular large household refuse incineration furnace
CN202884932U (en) * 2012-09-12 2013-04-17 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage incinerator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2568977Y (en) * 2002-09-24 2003-08-27 山东鲁丰机械厂 Refuse incinerator with stepped horizontal reciprocating fire grate
CN100582579C (en) * 2004-07-15 2010-01-20 伦特杰斯有限责任公司 Fire grate plate and corresponding incinerate fire grate and refuse incinerate equipment
CN201141604Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Segmenting-drive combined grate system
CN201382424Y (en) * 2009-05-07 2010-01-13 哈尔滨亚华锅炉炉排制造有限公司 80-ton to 130-ton reciprocating grate
CN201589274U (en) * 2009-12-25 2010-09-22 江苏福昌环保科技集团有限公司 Fire grate segment of garbage incinerator fire grate
CN102620297A (en) * 2012-04-26 2012-08-01 江苏天楹环保能源股份有限公司 Unit modular large household refuse incineration furnace
CN202884932U (en) * 2012-09-12 2013-04-17 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage incinerator

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