CN202884932U - Multi-drive high-pressure-loss fire grate type household garbage incinerator - Google Patents

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

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Publication number
CN202884932U
CN202884932U CN 201220460730 CN201220460730U CN202884932U CN 202884932 U CN202884932 U CN 202884932U CN 201220460730 CN201220460730 CN 201220460730 CN 201220460730 U CN201220460730 U CN 201220460730U CN 202884932 U CN202884932 U CN 202884932U
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CN
China
Prior art keywords
grate
fire grate
piece
crushing
waste incineration
Prior art date
Application number
CN 201220460730
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Chinese (zh)
Inventor
吕庆忠
原峰
白茹
陈彦江
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吕庆忠
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Application filed by 吕庆忠 filed Critical 吕庆忠
Priority to CN 201220460730 priority Critical patent/CN202884932U/en
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Publication of CN202884932U publication Critical patent/CN202884932U/en

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Abstract

A multi-drive high-pressure-loss fire grate type household garbage incinerator comprises a garbage feeding hopper, a pusher, a multi-section fire grate, a slag discharging machine, a combustion chamber, an ignition device and an auxiliary combustion device, wherein the multi-section fire grate is further divided into a drying section, a combustion section and a combustion ash section, and each section of the multi-section fire grate is composed of a plurality of fire grate modular units in the length and width directions. Each fire grate modular unit further comprises a hydraulic cylinder, a driving beam, movable fire grate beams, fixed fire grate beams, fixed fire grate blocks, movable fire grate blocks and an air chamber, each fire grate modular unit is used for independent driving and air distribution, the movable fire grate blocks are installed on the movable fire grate beams, the fixed fire grate blocks are installed on the fixed fire grate beams, the movable fire grate blocks and the fixed fire grate blocks are distributed alternately in a row mode, and the drying section, the combustion section and the combustion ash section are respectively and horizontally inclined downwards in a certain angle.

Description

A kind of high crushing grate-type consumer waste incineration device that drives more
Technical field
The utility model relates to the 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 take stoker fired grate formula incinerator as main, and the equipment of the main fire grate of existing market manufacturer respectively has characteristics, and the overwhelming majority is applicable to medium and small stoker fired grate formula incinerator, and the separate unit disposal ability is less more than 700 t/d.
The utility model content
The utility model provides a kind of high crushing grate-type consumer waste incineration device that drives for the prior art above shortcomings more.The utility model adopts the structure of modularization fire grate unit, can be easily go out the separate unit garbage treatment quantity at the incinerator of 200t/d~1200 t/d according to the various combination for the treatment of capacity, the fire grate modular unit has the characteristics of high crushing, can make rubbish carry out better at fire grate, burn more fully.
The utility model is achieved through the following technical solutions:
A kind of high crushing grate-type consumer waste incineration device that drives more, comprise the garbage feeding bucket, pusher, the multistage fire grate, mucking machine, the combustion chamber, igniting and assisted combustion device, the multistage fire grate is further divided into dryer section, burning zone, burning segment, every section fire grate is being grown, formed by some fire grate modular units on the cross direction, the fire grate modular unit further comprises: hydraulic cylinder, drive beam, the travelling oven stringer, the stationary furnace stringer, the fixed grate piece, moving grate piece and air compartment, in order to drive and air distribution, the stationary furnace stringer is welded on the framework on both sides, the travelling oven stringer is welded on the mobilizable driving beam in both sides, the moving grate piece is arranged on the travelling oven stringer, the fixed grate piece is arranged on the stationary furnace stringer, moving grate piece and fixed grate piece are embarked on journey and are alternately arranged dryer section, burning zone, burning segment is the downward-sloping angle of level respectively.
Better, the fire grate air outlet of dryer section, burning zone arranges up, and the fire grate air outlet of burning segment arranges down.
Better, the supporting surface between fire grate piece and the fire grate beam adopts globoidal structure.
Better, do not establish the gap between fixed grate piece and the moving grate piece, and strained by the pull bar under the fire grate.
Better, be level and smooth sliding friction surface between fixed grate piece and the moving grate piece.
Better, be provided with drop between dryer section, burning zone, the burning segment.
Better, the fire grate back side also comprises some fin, and end overleaf is provided with deep bead.
Better, drive beam and adopt rotating roller support.
Better, the angle of inclination of dryer section and burning zone is between the 10-25 degree, and the angle of inclination of burning segment is between the 0-10 degree.
Better, fire grate modular unit end is provided with for the angle guide plate of adjusting fire grate piece movement angle.
Better, the angle of the direction of motion of moving grate piece is between the 15-25 degree, and stroke is between the 150-250 millimeter.
Description of drawings
Fig. 1 is the generalized section of the utility model one embodiment;
Fig. 2 is the generalized section of the fire grate modular unit of the utility model one embodiment;
Fig. 3 is the generalized section of the fire grate modular unit of the utility model one embodiment;
Fig. 4 is every row fire grate piece schematic bottom view of the fire grate modular unit of the utility model one embodiment;
Fig. 5 is the dryer section of the utility model one embodiment and the generalized section of burning zone fire grate piece;
Fig. 6 is the dryer section of the utility model one embodiment 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 the utility model one embodiment;
Fig. 8 is the bottom surface face schematic diagram of the after-flame section fire grate piece of the utility model one embodiment;
Fig. 9 is the plane of the dryer section fire grate of the utility model one embodiment.
The specific embodiment
A kind of high crushing grate-type consumer waste incineration device that drives more, comprise garbage feeding bucket 1, pusher 2, the multistage fire grate, mucking machine 9, combustion chamber 10, igniting and assisted combustion device 11,12, the multistage fire grate is further divided into dryer section 3, burning zone 4, burning segment 5, every section fire grate is being grown, formed by some fire grate modular units on the cross direction, the 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 the travelling oven stringer 104, fixed grate piece 106 is arranged on the stationary furnace stringer 105, moving grate piece 107 is embarked on journey with fixed grate piece 106 and is alternately arranged dryer section 3, burning zone 4, burning segment 5 is the downward-sloping angle of level respectively.Below in conjunction with embodiment the utility model is elaborated, present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed embodiment, but protection domain of the present utility model 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.(fire grate is comprised of the fire grate modular unit this device by garbage feeding bucket 1, pusher 2, multistage fire grate, 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 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.Fire grate part in the longitudinal direction, dryer section is comprised of 1 fire grate modular unit, burning zone is comprised of 3 fire grate modular units, burning segment is comprised of 2 fire grate modular units; On width, every section 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 be regulated; 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.Rotating roller bearing 103 is adopted in the support that drives beam, and this structure has greatly reduced the motion wearing and tearing, has improved service life.Stationary furnace stringer 105 is alternately arranged with travelling oven stringer 106, the stationary furnace stringer is welded on the framework on both sides, the travelling oven stringer is welded on mobilizable driving beam 102 of both sides, fixed grate piece 106 is embarked on journey with moving grate piece 107 and is alternately arranged, hydraulic cylinder 101 driving moving grate pieces move reciprocatingly during work, it is slowly mobile downstream to promote rubbish, and finishes 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 °, difference according to component of refuse, determine the suitable angle that arranges, every section 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 different according to component of refuse, stroke can be adjustable in 150mm~250mm scope.Supporting surface between fire grate piece and the brace summer adopts globoidal structure (as shown in Figure 3), and the fire grate piece can rotate around the brace summer center line like this, reduces the wearing and tearing between moving grate piece and the fixed grate piece, has increased the service life of fire grate piece; Do not establish the gap between the fixed grate piece of every row or the moving grate piece, and 401 tensions (as shown in Figure 4) of the fastening pull rod below the 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 seldom herein, air compartment below the fire grate 109 is sealed by Plate Welding in addition, the fire grate modular unit of this spline structure, voidage between the fire grate piece is very low, leak out seldom, the absolutely large section of combustion air wind all from the fire grate piece little wind hole blow out, so fire grate modular unit, very large ventilation crushing is arranged, the combustion air flow velocity that blows out is very high, be not easy like this to be subject to the impact of rubbish varied in thickness on the fire grate, make the cloth wind of each several part on the whole fire grate modular unit more even, the uniform and stable burning that promotes rubbish is had 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 combustion air to the cooling effect of fire grate piece.The fire grate piece adopts high-chromium casting to have high-tensile, high rigidity, and the characteristic of high-temperature corrosion resistance is so that the fire grate piece has 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 up, and the 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 up is conducive to like this combustion air and penetrates rubbish promotion burning so that combustion air directly blows to the rubbish of burning.Rubbish on the after-flame section holds incendive composition and substantially burns down, remaining mainly is 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 following fire grate piece surface, allowing combustion air scatter comes, combustion air can more effectively touch more unburned rubbish like this, can promote unburned rubbish smoulder with following, reduces 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 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 the poor setting of the section between the fire grate more is conducive to rubbish in moving process loose, promotes burning.
The operating process of present embodiment is as follows:
1, with the hopper flapper closure, by garbage grab bucket rubbish is put in the 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 in time be sent into rubbish in the hopper to open the hopper baffle plate, avoid occurring the situation of hopper material sky), allow rubbish fall above the pusher, start pusher, dry fire grate, combustion grate, burn-out grate, fast rubbish is paved with combustion grate, air quantity according to each section of combustion case adjusting fire grate blazes up rubbish gradually, and temperature is not less than under 850 ℃ of precursors of 2 seconds in guaranteeing burner hearth, first turn gradually the load of start-up burner down until close, turn gradually the load of auxiliary burner down until close again.Start mucking machine when having slag that mucking machine will be fallen into.After stable combustion condition, drop into ACC(automatic combustion control system, automatic combustion control), automatically adjust pusher and the speed of each section fire grate and the air quantity below each section fire grate by ACC and keep incinerator stable operation.
2, control moving back and forth according to certain speed of fire grate by ACC, rubbish is pushed to the downstream at leisure, in the moving process of rubbish, along with the continuous drying of rubbish, rubbish can blaze up gradually, until become slag, is discharged to pit by mucking machine.So just finished the combustion process of rubbish.
3, when refuse thermal value is inadequate, by auxiliary burner control fire box temperature be not less than 850 ℃ 2 seconds.
4, keep furnace temperature by the air quantity of ACC control combustion air, when refuse thermal value is inadequate, by auxiliary burner control fire box temperature be not less than 850 ℃ 2 seconds.The oxygen content of simultaneously also keeping flue gas by the air quantity of control combustion air is concentration when.
More than disclosed only be the application's a specific embodiment, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's the protection domain.

Claims (11)

1. drive high crushing grate-type consumer waste incineration device one kind more, comprise the garbage feeding bucket, pusher, the multistage fire grate, mucking machine, the combustion chamber, igniting and assisted combustion device, described multistage fire grate is further divided into dryer section, burning zone, burning segment, it is characterized in that, every section fire grate is being grown, formed by some fire grate modular units on the cross direction, described fire grate modular unit further comprises: hydraulic cylinder, drive beam, the travelling oven stringer, the stationary furnace stringer, the fixed grate piece, moving grate piece and air compartment, 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 the described travelling oven stringer, described fixed grate piece is arranged on the described stationary furnace stringer, described moving grate piece and fixed grate piece are embarked on journey and are alternately arranged described dryer section, burning zone, burning segment is the downward-sloping angle of level respectively.
2. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that the fire grate air outlet of described dryer section, burning zone arranges up more, and the fire grate air outlet of described burning segment arranges down.
3. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that the supporting surface between fire grate piece and the fire grate beam adopts globoidal structure more.
4. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that more, does not establish the gap between described fixed grate piece and the moving grate piece, and is strained by the pull bar under the fire grate.
5. 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 the moving grate piece.
6. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that more, is provided with drop between described dryer section, burning zone, the burning segment.
7. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that the described fire grate back side also comprises some fin, and end overleaf is provided with deep bead more.
8. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that described driving beam adopts rotating roller support more.
9. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that the angle of inclination of described dryer section and burning zone is between the 10-25 degree more, and the angle of inclination of described burning segment is between the 0-10 degree.
10. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 1 is characterized in that described fire grate modular unit end is provided be used to the angle guide plate of adjusting described moving grate piece movement angle more.
11. the high crushing grate-type consumer waste incineration device that drives as claimed in claim 10 is characterized in that the angle of the direction of motion of described moving grate piece is between the 15-25 degree more, stroke is between the 150-250 millimeter.
CN 201220460730 2012-09-12 2012-09-12 Multi-drive high-pressure-loss fire grate type household garbage incinerator CN202884932U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878563A (en) * 2012-09-12 2013-01-16 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage burning device
CN103363527A (en) * 2013-07-22 2013-10-23 华南理工大学 Fire grate mechanism of marine incinerator
CN104949133A (en) * 2015-07-15 2015-09-30 上海康恒环境股份有限公司 Staggered forward-push household garbage incineration fire grate structure
WO2020073858A1 (en) * 2018-10-11 2020-04-16 无锡华光锅炉股份有限公司 Large-size garbage incinerator grate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878563A (en) * 2012-09-12 2013-01-16 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage burning device
CN102878563B (en) * 2012-09-12 2014-08-27 上海南一环保科技有限公司 Multi-drive high-pressure-loss fire grate type household garbage burning device
CN103363527A (en) * 2013-07-22 2013-10-23 华南理工大学 Fire grate mechanism of marine incinerator
CN104949133A (en) * 2015-07-15 2015-09-30 上海康恒环境股份有限公司 Staggered forward-push household garbage incineration fire grate structure
CN104949133B (en) * 2015-07-15 2017-04-19 上海康恒环境股份有限公司 Staggered forward-push household garbage incineration fire grate structure
WO2020073858A1 (en) * 2018-10-11 2020-04-16 无锡华光锅炉股份有限公司 Large-size garbage incinerator grate

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Owner name: SHANGHAI NANYI ENVIRONMENTAL SCIENCE + TECHNOLOGY

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Address after: 200092 room 1402-B2, No. two North Road, Yangpu District, Shanghai, 1121, Zhongshan

Patentee after: Shanghai Nanyi Environmental Science & Technology Co., Ltd.

Address before: Huaiyin District of Ji'nan City, Shandong province 250021 ten Road No. 239

Patentee before: Lv Qingzhong

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