CN103939913B - Mud based on grate furnace and domestic garbage mixing incinerator - Google Patents
Mud based on grate furnace and domestic garbage mixing incinerator Download PDFInfo
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- CN103939913B CN103939913B CN201410202809.2A CN201410202809A CN103939913B CN 103939913 B CN103939913 B CN 103939913B CN 201410202809 A CN201410202809 A CN 201410202809A CN 103939913 B CN103939913 B CN 103939913B
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Abstract
The invention discloses a kind of mud and domestic garbage mixing incinerator based on grate furnace, comprise feed arrangement and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate and burner hearth and burning zone fire grate and burner hearth, and the top of described dryer section burner hearth is provided with mud flusher. Rubbish of the present invention enters dryer section fire grate by feed arrangement, and mud is sprayed on rubbish by the flusher of roof of the furnace, and mud is realized and mutually mixed and conduct heat with house refuse, and dry gradually; On burning zone fire grate, mud and house refuse, along with reciprocating motion and the stirring of fire grate segment, progressively realize smooth combustion and completing combustion under air feed condition; The multifuel combustion amount of mud can be adjusted in time according to combustion case, convenient and swift; This device takes full advantage of the mature technologies such as consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN and flue gas processing, and the object construction of sludge incineration processing item and operating cost are reduced greatly, has realized innoxious, minimizing and the resource of Treatment of Sludge.
Description
Technical field
The present invention relates to a kind of sludge incineration device, particularly a kind of mud and domestic garbage mixing are burned dressPut.
Background technology
Along with the quickening of high speed development and the Urbanization Construction of economic society, the sewage load in cities and towns increases rapidlyLong, the also sharp increase of the mud of sewage treatment plant, according to statistics China's year of urban wastewater treatment firm mud at presentOutput has exceeded 3,000 ten thousand tons. In mud, contain nutrients such as a large amount of organic matters, abundant nitrogen phosphorus, with much moneyGenus and germ and pathogen etc., let alone discharge if do not processed, and can cause serious pollution to environment.How effectively and economically to process treating excess sludge and realize recycling sludge utilization become one worldwideEnvironmental problem, be also the problem that cannot avoid of China facing.
It is multiple that the processing disposal options of current mud mainly contains sanitary landfills, soil utilization and burning etc., but allThere is certain drawback and deficiency. Sanitary landfills may have harmful substances Leakage for Groundwater and pollute,And more land resource will be taken; Soil utilization may occur that the contaminated and public of agricultural product asks safelyTopic; Construction and the operating cost of burning disposal are high. So cause the processing handling problems of mud also not obtainThe solution of essence.
Burning disposal becomes the main solution of domestic waste gradually at present, can effectively realize lifeInnoxious, the minimizing of rubbish and resource, the waste incineration industry of China has entered the golden period of development,Each big city is all in newly-built incineration treatment of garbage project.
It is a urgent problem that effective processing of mud is disposed, and how to utilize consumer waste incineration processingAdvantage solve the processing handling problems of mud, become the study hotspot of industry.
Summary of the invention
In view of this, the object of this invention is to provide a kind of mud and domestic garbage mixing based on grate furnace burnsDevice, takes full advantage of the mature technologies such as consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN and flue gas processing, realizes mud placeInnoxious, the minimizing of reason and resource, solve the independent burning disposal project construction of mud and fortune in prior artThe problem that row cost is high.
The mud and the domestic garbage mixing incinerator that the present invention is based on grate furnace, comprise feed arrangement and twin furnaceThorax grate furnace, described twin furnace grate furnace comprise dryer section fire grate, dryer section burner hearth, burning zone fire grate andBurning zone burner hearth, the charging aperture of described dryer section fire grate is connected with the discharging opening of feed arrangement, described dryThe discharging opening of section fire grate is connected with the charging aperture of burning zone fire grate, and the top of described dryer section burner hearth is provided withMud flusher.
Further, the discharge flue of described twin furnace grate furnace is arranged at the chimney arch top of burning zone burner hearth feed endPortion.
Further, described discharge flue is longitudinally furnished with some Secondary Air entrances.
Further, the downward-sloping layout of the chimney arch of described burning zone burner hearth, and chimney arch inclining with respect to the horizontal planeOblique angle is 30 °～50 °.
Further, the discharge end of described burning zone burner hearth is provided with the vertically rear wall being connected with chimney arch end, instituteState and on rear wall, be provided with manhole door and high-temperature camera.
Further, the cinder notch that falls of described burning zone fire grate is connected to fire grate end and rear wall below.
Further, on the chimney arch of described burning zone burner hearth, be provided with burner apparatus.
Further, between the rear end of described dryer section fire grate and the front end of burning zone fire grate, be provided with 500～The drop of 1000mm.
Further, described dryer section fire grate and burning zone fire grate are inverse-push fire grate, dryer section fire grate by3～5 groups of fire grate segment compositions, burning zone fire grate is made up of 6～8 groups of fire grate segments, and every group of fire grate segment is by 2The fixed grate film that row is alternately arranged and movable furnace grate plate form, and the folder of dryer section grate surface and horizontal planeAngle is 18 °～25 °, and the angle of burning zone grate surface and horizontal plane is 23 °～30 °.
Further, described feed arrangement comprises hopper, the blanking groove that is connected, is arranged on blanking groove and goes out with hopperExpect a mouthful pusher platform for below, be arranged on the pusher dolly of pusher platform top and be arranged under pusher platformThe leachate collection bucket of side, the angle of described blanking groove and vertical direction is 9.
Beneficial effect of the present invention:
1, the mud and the domestic garbage mixing incinerator that the present invention is based on grate furnace, rubbish passes through feed arrangementEnter dryer section fire grate, mud is sprayed on rubbish by the flusher of dryer section roof of the furnace, mud and lifeThe rubbish of living is realized and is mutually mixed and conduct heat, and dry gradually; On burning zone fire grate, mud and house refuse withReciprocating motion and the stirring of fire grate segment, under air feed condition, progressively realize smooth combustion and completing combustion; MudMultifuel combustion amount can adjust in time according to combustion case, convenient and swift. This device take full advantage of consumer waste incineration,The object construction of sludge incineration processing item and operating cost, fall in the mature technologies such as UTILIZATION OF VESIDUAL HEAT IN and flue gas processing greatlyLow, realize innoxious, minimizing and the resource of Treatment of Sludge.
2, the mud and the domestic garbage mixing incinerator that the present invention is based on grate furnace, its discharge flue is arranged atThe chimney arch top of burning zone burner hearth feed end, and downward-sloping 30 °～50 ° of the chimney arch of burning zone burner hearth,Thereby form flue gas adverse current formula chamber structure, be conducive to promote disturbance and the burning of combustion product gases, be also conducive toThe heat radiation of chimney arch to material on fire grate.
3, the present invention is based on mud and the domestic garbage mixing incinerator of grate furnace, after its dryer section fire grateThe drop that is provided with 500～1000mm between end and the front end of burning zone fire grate, can make drying and preheatingAfter material become looser by dropping and bumping, be beneficial to material real on burning zone fire grateExisting smooth combustion and completing combustion.
Brief description of the drawings
Fig. 1 the present invention is based on the mud of grate furnace and the structural representation of domestic garbage mixing incinerator.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, mud and the domestic garbage mixing incinerator of the present embodiment based on grate furnace, comprise intoMaterials device 1 and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate 13, dryer section stoveThorax 2, burning zone fire grate 14 and burning zone burner hearth 3, the charging aperture of described dryer section fire grate 13 and charging dressPut 1 discharging opening and connect, the charging aperture of the discharging opening of described dryer section fire grate 13 and burning zone fire grate 14Connect, the top of described dryer section burner hearth 2 is provided with mud flusher 4.
When work, rubbish enters on dryer section fire grate 13 by feed arrangement 1, and mud is by burner hearth 2 topsFlusher 4 be sprayed on rubbish, wind enters burner hearth from the ash bucket of fire grate below, mud and life rubbishRubbish is realized and is mutually mixed and conduct heat, and dry gradually; On burning zone fire grate 14, mud and house refuse withReciprocating motion and the stirring of fire grate segment, progressively realize smooth combustion and completing combustion; The multifuel combustion amount of mud can rootAdjust in time according to combustion case, convenient and swift. This device take full advantage of consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN andThe mature technologies such as flue gas processing, reduce the object construction of sludge incineration processing item and operating cost greatly, have realizedInnoxious, the minimizing of Treatment of Sludge and resource.
As the improvement to the present embodiment, the discharge flue 5 of described twin furnace grate furnace is arranged at burning zone stoveChimney arch 6 tops of thorax 3 feed ends, the flue gas reverse flow in burning zone burner hearth 3 enters discharge flue 5,Be conducive to promote the disturbance of combustion product gases and fully burning.
As the improvement to the present embodiment, described discharge flue 5 is longitudinally furnished with some Secondary Air entrances 7,Pass into Secondary Air and can strengthen the disturbance to combustion product gases, further promote the completing combustion of flue gas.
As the improvement to the present embodiment, the downward-sloping layout of chimney arch 6 of described burning zone burner hearth 3, and stoveArch 6 tiltangleθ 1 is with respect to the horizontal plane 38 °, and (in different embodiment, θ 1 also can be certainlyOther value within the scope of 30 °～50 °), chimney arch is obliquely installed and can plays water conservancy diversion flue gas and thermal-radiating workWith, be conducive to the dry and burning of material.
As the improvement to the present embodiment, the discharge end of described burning zone burner hearth 3 is provided with and chimney arch 6 endsThe vertically rear wall 8 connecting, is provided with manhole door 9 and high-temperature camera 10 on described rear wall 8, passes throughManhole door 9 can conveniently enter burner hearth and keep in repair, can be to stove chamber inner combustion feelings by high-temperature camera 10Condition is monitored.
As the improvement to the present embodiment, the cinder notch 11 that falls of described burning zone fire grate 14 connects the end of fire grateWith the below of rear wall 8, the discharging from the cinder notch 11 that falls of the slag after material burns.
As the improvement to the present embodiment, on the chimney arch 6 of described burning zone burner hearth 3, be provided with burner apparatus12, burner apparatus 12 heats up and insulation for rising when blowing out.
As the improvement to the present embodiment, before the rear end of described dryer section fire grate 13 and burning zone fire grate 14Between end, be provided with 1000mm drop (certainly also can be 500 at drop described in different embodiment～Other value within the scope of 1000mm), this drop can make the material on dryer section fire grate 13 drop and enter burningWhen section fire grate 14, bump and become looser, be conducive to material and realize more on burning zone fire grate 14Smooth combustion and completing combustion well.
As the improvement to the present embodiment, described dryer section fire grate 13 and burning zone fire grate 14 are inverse-pushFire grate, dryer section fire grate 13 is formed and (certainly in different embodiment, also be can be 3～5 by 4 groups of fire grate segmentsOther value in class range), burning zone fire grate 14 is made up of (certainly at different embodiment 6 groups of fire grate segmentsIn also can be other value in 6～8 class ranges), the stationary furnace that every group of fire grate segment alternately arranged by 2 rowScreening and movable furnace grate plate form, and the angle theta 2 of dryer section grate surface and horizontal plane be 22 ° (certainIn different embodiment, θ 2 also can be other value within the scope of 18 °～25 °), burning zone grate surface and waterThe angle theta 3 of plane is 25 °, and (in different embodiment, θ 3 also can be within the scope of 23 °～30 ° certainlyOther value). In the present embodiment, fire grate is with the unit's of classifying as layout, and the version of every row fire grate is identical,Adopt modularized design, can be according to the fire grate that requires the different columns of lateral arrangement of project disposal ability, oftenThe relatively independent operation of row fire grate, controllability is strong, stable; Fire grate is in tilted layout and is conducive to material simultaneouslyUnder Action of Gravity Field, be fed forward.
As the improvement to the present embodiment, described feed arrangement 1 comprises hopper 101, be connected with hopper underHopper 102, be arranged on blanking groove discharging opening below pusher platform 103, be arranged on pusher platform topPusher dolly 104 and the leachate collection bucket 105 that is arranged on pusher platform below, described blanking groove 102With the angle theta 4 of vertical direction be 9 °, in this feed arrangement, being in tilted layout of blanking groove 102 can ensureThe smooth and easy whereabouts of rubbish, can also avoid rubbish to damage pusher platform and pusher dolly because falling speed is too fastProblem, and rubbish can form stock column in blanking groove, can avoid cool exterior air to enter burner hearth and burner hearthInternal heat flue gas leaks.
Finally explanation, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, althoughWith reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from technical solution of the present inventionAim and scope, it all should be encompassed in the middle of claim scope of the present invention.
Claims (2)
1. the mud based on grate furnace and domestic garbage mixing incinerator, is characterized in that: comprise charging dressPut and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate, dryer section burner hearth, burningSection fire grate and burning zone burner hearth, the charging aperture of described dryer section fire grate is connected with the discharging opening of feed arrangement,The discharging opening of described dryer section fire grate is connected with the charging aperture of burning zone fire grate, the top of described dryer section burner hearthPortion is provided with mud flusher;
The discharge flue of described twin furnace grate furnace is arranged at the chimney arch top of burning zone burner hearth feed end;
Described discharge flue is longitudinally furnished with some Secondary Air entrances;
The downward-sloping layout of chimney arch of described burning zone burner hearth, and chimney arch inclination angle is with respect to the horizontal plane30°～50°；
The discharge end of described burning zone burner hearth is provided with the vertically rear wall being connected with chimney arch end, described rear wallOn be provided with manhole door and high-temperature camera;
The cinder notch that falls of described burning zone fire grate is connected to fire grate end and rear wall below;
On the chimney arch of described burning zone burner hearth, be provided with burner apparatus;
Between the front end of the rear end of described dryer section fire grate and burning zone fire grate, be provided with 500～1000mm'sDrop;
Described dryer section fire grate and burning zone fire grate are inverse-push fire grate, and dryer section fire grate is by 3～5 groups of stovesScreening composition, burning zone fire grate is made up of 6～8 groups of fire grate segments, and every group of fire grate segment alternately arranged by 2 rowFixed grate film and movable furnace grate plate form, and the angle of dryer section grate surface and horizontal plane be 18 °～25 °, the angle of burning zone grate surface and horizontal plane is 23 °～30 °.
2. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 1, itsBe characterised in that: blanking groove that described feed arrangement comprises hopper, be connected with hopper, be arranged on blanking groove and go outExpect a mouthful pusher platform for below, be arranged on the pusher dolly of pusher platform top and be arranged under pusher platformThe leachate collection bucket of side, the angle of described blanking groove and vertical direction is 9 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410202809.2A CN103939913B (en) | 2014-05-14 | 2014-05-14 | Mud based on grate furnace and domestic garbage mixing incinerator |
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| CN201410202809.2A CN103939913B (en) | 2014-05-14 | 2014-05-14 | Mud based on grate furnace and domestic garbage mixing incinerator |
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| CN103939913A CN103939913A (en) | 2014-07-23 |
| CN103939913B true CN103939913B (en) | 2016-05-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546551A (en) * | 2016-02-05 | 2016-05-04 | 江苏全能机电装备工程股份有限公司 | Water-cooled-wall multi-stage stair type incinerator |
| CN106642135A (en) * | 2016-10-19 | 2017-05-10 | 深圳市粤昆仑环保实业有限公司 | Efficient energy-saving garbage pyrolysis device |
| CN108224430B (en) * | 2018-01-26 | 2023-07-25 | 中国城市建设研究院有限公司 | Household garbage collaborative sludge incineration device |
| CN115582400B (en) * | 2022-12-12 | 2023-03-07 | 中节能(汕头潮南)环保能源有限公司 | Household garbage coupled urban wet sludge graded continuous treatment conveying device and method |
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| WO2004092648A1 (en) * | 2003-04-18 | 2004-10-28 | Jfe Engineering Corporation | Method of controlling combustion of waste incinerator and waste incinerator |
| CN201520712U (en) * | 2009-09-30 | 2010-07-07 | 华南理工大学 | Integrated treatment device for sludge drying and incineration |
| CN101922715A (en) * | 2010-09-01 | 2010-12-22 | 重庆科技学院 | Two-stage garbage incinerator |
| CN201795491U (en) * | 2010-09-01 | 2011-04-13 | 重庆科技学院 | Two-stage waste incinerator |
| CN102563668A (en) * | 2012-01-17 | 2012-07-11 | 伟明环保设备有限公司 | Sludge and domestic garbage mixed firing grate boiler |
| CN203836969U (en) * | 2014-05-14 | 2014-09-17 | 重庆三峰卡万塔环境产业有限公司 | Sludge and household garbage mixed burning device based on grate furnace |
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2014
- 2014-05-14 CN CN201410202809.2A patent/CN103939913B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2004092648A1 (en) * | 2003-04-18 | 2004-10-28 | Jfe Engineering Corporation | Method of controlling combustion of waste incinerator and waste incinerator |
| CN201520712U (en) * | 2009-09-30 | 2010-07-07 | 华南理工大学 | Integrated treatment device for sludge drying and incineration |
| CN101922715A (en) * | 2010-09-01 | 2010-12-22 | 重庆科技学院 | Two-stage garbage incinerator |
| CN201795491U (en) * | 2010-09-01 | 2011-04-13 | 重庆科技学院 | Two-stage waste incinerator |
| CN102563668A (en) * | 2012-01-17 | 2012-07-11 | 伟明环保设备有限公司 | Sludge and domestic garbage mixed firing grate boiler |
| CN203836969U (en) * | 2014-05-14 | 2014-09-17 | 重庆三峰卡万塔环境产业有限公司 | Sludge and household garbage mixed burning device based on grate furnace |
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| CN103939913A (en) | 2014-07-23 |
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