CN1318710A - Multi-stage grate incinerator - Google Patents
Multi-stage grate incinerator Download PDFInfo
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- CN1318710A CN1318710A CN 01118027 CN01118027A CN1318710A CN 1318710 A CN1318710 A CN 1318710A CN 01118027 CN01118027 CN 01118027 CN 01118027 A CN01118027 A CN 01118027A CN 1318710 A CN1318710 A CN 1318710A
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- combustion chamber
- air
- rotating shaft
- multistage
- discarded object
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Abstract
A multistage grate incinerator with small and medium size combustion chamber includes discharging outlet, main air supplying nozzle, inlet for discard material flowing in, combustion chamber main body, cylinderical spiral shaft, driving motor, multistage body, multistage grate, exhaust pipe and discard material mixing assembly. The present invention can effectively prevent the pollutants of oxynitriding matter, carbon monoxide and dioxane from generating by setting the discard material mixing member.
Description
The present invention relates to multistage fire grate formula incinerator, particularly, it can burn from various residue, caking or the solid waste of discharging handled.The continuous discarded object that drops into of multistage fire grate central authorities to middle-size and small-size incinerator, multistage fire grate with the multistage mode discarded object that falls, fully mixes higher residue piece of water content or solid waste in for the burning supply gas, fully burning, thus pollution reduced greatly to atmosphere.
At present domestic relevant Environmental Law regulation since calendar year 2001, forbids imbedding organic residue, therefore must be in 1 year to millions of tons residue of domestic discharge, with incinerate, fusion is solidified and mode such as compost, carries out alternate process.Wherein, incineration technology is acknowledged as present best alternate process technology.
Existing residue incinerating apparatus, based on the laminar incinerator that flows, heterogeneous formula incinerator, revolving burner formula incinerator also are applied.But fluidized bed incinerator and revolving burner all have installs and the freight height sub-economic shortcoming.
Above-mentioned heterogeneous formula incinerator, (7-9) is more for the quantity of phase.The rotation mutually that a plurality of weight are bigger is used for mixed waste, must cause energy consumption to break down more greatly and frequently.In addition, be used for the equipment of mixing residue piece, if the scale of its incinerating apparatus is big more, its structure is just complicated more, and is difficult to the residual layer supply air to the desire incineration, thereby is difficult to guarantee abundant burning.Address this problem, just necessary a large amount of auxiliary fuels without interruption, this increases the use amount of fuel greatly, handles the quantity of residue piece in the unit interval and compares with the fuel use amount, and actual efficiency is lower, thereby has limited the cremation facilities scale.
Large-scale incinerator uses portable fire grate, can promote the mixing of solid waste, but, for middle-size and small-size incinerator, no matter use portable fire grate, the solid waste mixing arrangement still is installed in addition, all not ideal enough in mechanical properties, therefore, in the ordinary course of things, all on fixing fire grate, incinerate.Its result, the incineration rate is lower, produces a large amount of pernicious gases, forms atmosphere pollution.
This is because when handling residue piece or solid waste in incinerator, moisture content improves 50%, because evaporation latent heat is higher, is difficult to keep the combustion chamber environment temperature, thereby can not fully burns, thereby discharge a large amount of harmful substances so.
Use auxiliary fuel, though the environment temperature of combustion chamber is remained on more than certain degree value (about 850 ℃),, if discarded object can not successfully mix, so both made temperature very high, also may imperfect combustion.
Purpose of the present invention is exactly in order to address the above problem, the present invention will be from various the living residue (rubbish), residue piece or the solid waste that produce handled continuously to the central input of multistage fire grate, and multistage fire grate is in for burning supply air, Litter stage by stage falls, water content higher residue piece or solid waste are fully mixed, and completing combustion.
In order to achieve the above object, the present invention is directed to the incinerator that is provided with middle-size and small-size combustion chamber, the multistage fire grate incinerator of being made up of following part is provided: the incineration discarded object ash outlet that is arranged on the lower end; Can supply the main air supply opening of burning desired gas; Be arranged on upper end one side, from the discarded object input port of inboard center fed discarded object; The combustion chamber main body that the upper end links to each other with secondary combustion chamber; Be installed in the central interior of combustion chamber main body, can rotate, the lower end connects the cylinder type rotating shaft that can supply the secondary air supply opening of air from the outside; Be connected above-mentioned rotating shaft, drive the drive motors of rotating shaft; Be applied in around the above-mentioned rotating shaft, be fixed in the main body of combustion chamber, for mix, receive the multistage body of the discarded object that falls interimly; Edge on each outer periphery of body reaches is provided with a plurality of air jet holes, and the lower end connects above-mentioned air supply opening, can introduce the multistage fire grate of air; Be arranged on the both sides, upper end of above-mentioned rotating shaft, the blast pipe that is communicated with the inboard; Have with the bottom surface that equidistantly is installed in blast pipe, vertically be positioned at above-mentioned each multistage body top, spray the discarded object hydrid component of the jet pipe of the air carried, dry mixed discarded object respectively.
Below use embodiment,, further describe the present invention with reference to Fig. 1 and Fig. 3.
Fig. 1 is the present invention---the structural representation of multistage fire grate formula incinerator; Fig. 2 is the oblique view of major part of the present invention; Fig. 3 is the amplification profile diagram of " A " part among Fig. 1.
Incineration is from the sewage-farm, when the higher solid waste of the moisture content such as residue piece of discharges such as field, waste water processing station is handled in clean water treatment field, ingesta slag, and sixty-four dollar question is to carry out suitable mixing.If the water content of discarded object is too high, before burning, the evaporation of moisture content can produce endothermic reaction with the volatilization decomposable process so, need a large amount of energy, because only getting rid of steam and the volatilization gas that produces rapidly, and after the burning, could incinerate smoothly, therefore mix extremely important.
The present invention mixes in order to promote discarded object, the incinerator that just has middle-size and small-size combustion chamber, be provided with in the combustion chamber discarded object ashes outlet (11), supply burning required air main air supply opening (12), have and be located at upper end one side, from the combustion chamber main body (10) of the waste stream inlet (13) of inboard central authorities upper end guiding supply discarded object.Upside in main body (10) is connected with secondary combustion chamber (14), thereby can communicate.
In order to accommodate successively in the discarded object that waste stream inlet (13) falls, it can be mixed with the required air that burns, be provided with the rotating shaft (20) of certain diameter in the central interior of combustion chamber main body (10), rotating shaft (20) is the cylindrical shape that can supply air from outside air supply source to the inside, connecting secondary air supply opening (15) in its lower end, at above-mentioned rotating shaft (20) but the lower end gear of transferring power is housed, the rotation of gear is driven by drive motors (30).
Be applied in above-mentioned rotating shaft (20) around, the multistage body (41) that more up its diameter is more little is set in combustion chamber main body (12), to be used to mix the discarded object that drops on each face, on body (41), be arranged on outer periphery and upper edge a plurality of air jet holes (43a, multistage fire grate (40) 43b) are arranged.
The blast pipe (51) of certain-length is housed and by the bottom surface that equidistantly is installed in blast pipe (51) in the both sides, upper end of above-mentioned rotating shaft (20), vertically be positioned at multistage body (41) upside, spray the transmission air respectively, the discarded object hydrid component that constitutes in order to jet pipe (52) dry, mixed waste.
At an end of jet pipe (52), be arranged on the rotatable mixing wing (53) under the jet pipe action of air pressure, in order to the discarded object jets of heated air on body (41) equably.
The form that the body (41) of above-mentioned multistage fire grate (40) is had should be identical with the number of the jet pipe of discarded object hydrid component (50), and its quantity should reach more than 2 at least.
The structure of the jet pipe (52) of the discarded object hydrid component (50) by above-mentioned rotating shaft (20) is suitable for spraying the air because of the burning preheating, makes moisture residue, solid waste dehydration.Comprise the blast pipe (51) and the rotating shaft (20) of jet pipe (52), preferably use resistant to elevated temperatures refractory tube.
Aforesaid the present invention---the effect and the effect thereof of multistage fire grate formula incinerator are as follows:
As shown in Figure 2, the present invention utilizes dewater unit, to from the sewage-farm, clean water treatment field, the ingesta slag residue of handling discharges such as field, waste water processing station dewaters, the moisture content of sludge bulking or solid waste is reduced to 50～60%, on multistage fire grate (40) incinerator, handles then.The central upper portion that this incinerator will drop to rotating shaft from the various residues and the solid waste of top waste stream inlet (13) inflow, the discarded object land of whereabouts are in the superiors of the body (41) of multistage fire grate (40).
Under aforesaid state, the rotating shaft (20) of rotation is by the auxiliary air air supply opening (15) in the lower end under the driving of motor (30), upwards carry air, blast pipe (51) rotation of the discarded object hydrid component (50) that drive fuses on top, at this moment, the same rotating shaft of jet pipe (52) (20) that is installed in blast pipe (51) bottom surface with the length that has nothing in common with each other rotates together, evenly stir the various discarded objects that drop on body (41) upper strata, preferably spread out, then from vertical whereabouts, the place discarded object that links to each other of body (41).This move continuously flows at that moment from discarded object, just mixes off and on and the whereabouts discarded object.
Above the body (41) of the multistage fire grate in top (40), discarded object falls from the outside to the bigger bottom surface of diameter from central authorities to the outside, mixes.At this, discarded object not only mixes, and for transpiring moisture and required heat and the oxygen of supply burning, by the gas of jet pipe (52) to each discarded object and residual layer jet preheat.At this moment, the mixing wing (53) of rotation makes water content reach minimum under the effect of jet pipe (52) one end whiff pressures, fully burns to help discarded object.
On the one hand,, and when being difficult to keep in the combustion chamber suitably environment temperature, auxiliary fuel be can utilize, proper temperature (850 ℃) and gas hold-up time (more than 2 seconds) guaranteed to reach because of the kind difference of discarded object.
On the other hand, various discarded objects with aforesaid method mixing, above each body (41) from land to multistage fire grate (40) at that moment, discarded object just mixes with the gas of discharging from a plurality of fumaroles (43a) and fumarole (43b), primary air from the air supply opening (12) of bottom, combustion chamber flows into impels the moisture content of discarded object sharply to evaporate with flame in the combustion chamber and high-temperature gas together.
Volatilization and the pyrolysis of discarded object after water evaporates finishes in order to produce next step, in the process that falls to intergrade, fully mix, promote evaporation and pyrolysis, make and be positioned at the upward violent combustion reaction of generation of the body of lower end (41), the discarded object ash of burning is got rid of from the ashes outlet (11) that is arranged on body (10) bottom after the cooling bottom of body (41).In addition, the volatile matter and the fixed carbon that produce in the combustion chamber that is provided with above-mentioned multistage fire grate (40) are gone up burning at multistage fire grate (40), and the unburned gas of part is sent to secondary combustion chamber, to reach completing combustion.
At this moment, in the combustion chamber, top of multistage fire grate, fully burn in order to impel unburned gas, simple designs can form the stronger mobile function of circling round, suppress the generation of harmful substances such as imperfect combustion gas and dioxy have encircled.
Promptly, incineration among the present invention, in comprising the solid waste combustion process of residue, considerable factor is how to carry out necessary heat transmission and smooth supply oxygen in evaporation, thermal decomposition process, the discarded object hydrid component (50) that utilization is driven by rotating shaft (20), little by little, in interimly mobile mixing residue piece or the solid waste, to solid waste layer supply preheated air, make based on the solid waste of residue and fully burn, produce thereby suppress harmful substance to greatest extent.
As mentioned above, by the rotation hydrid component, make from the sewage-farm, clean water treatment field, ingesta slag handle residue piece or the solid waste that field, waste water processing station etc. produce, whereabouts periodically from the multistage body of multistage fire grate makes it mix smoothly with air simultaneously.Particularly, will be difficult to the rotation mixing arrangement that on middle-size and small-size solid waste incinerator, uses, be installed on the multistage fire grate, prevent that harmful substances such as nitrogen oxide, carbonic oxide, dioxy have encircled from producing.When the water content of residue piece or solid waste etc. is higher, can also provide evaporation moisture content required time and heat energy.
* about the symbol description * of major part among the figure
10: the combustion chamber main body
11: the ashes outlet
12: main air supply opening
13: the waste stream inlet
14: secondary combustion chamber
15: the secondary air supply opening
20: rotating shaft
30: drive motors
40: multistage fire grate
41: body
43a, 43b: fumarole
50: the discarded object hydrid component
51: blast pipe
52: jet pipe
53: mix the wing
Claims (2)
1. a multistage fire grate formula incinerator is the incinerator with middle-size and small-size combustion chamber, it is characterized in that, by the bottom outlet (11) of getting rid of the discarded object ashes; The main air supply opening (12) of supply burning required air; Be arranged on top one side, the exhaust gas stream inlet (13) of the discarded object of central upper supply internally; The combustion chamber main body (10) that top is connected with secondary combustion chamber (14); Be arranged on the central interior of above-mentioned combustion chamber main body (10), can rotate, be provided with the cylindrical shape rotating shaft (20) of the secondary air supply opening (15) that can supply air from the outside in the bottom; Be connected above-mentioned rotating shaft (20), for driving the drive motors (30) of rotating shaft (20) transferring power; Be applied in rotating shaft (20) on every side, be fixed in the combustion chamber main body (10), mix interimly and receive the multistage body (41) of discarded object; Each outer periphery of body (41) and near the position of upper edge be provided with a plurality of puff prots (43a, 43b), the bottom links to each other with above-mentioned main air supply opening (12), can introduce the multistage fire grate (40) of air; At both sides, above-mentioned rotating shaft (20) upper end, the blast pipe that communicates with the inboard (51); Have to be set in qually spaced in the bottom surface of blast pipe (51), vertically be positioned at above the above-mentioned multistage body (41), rotate with rotating shaft, the difference injection air, the discarded object hydrid component (50) that is used for the jet pipe (52) of drying, mixed waste constitutes.
2. according to the multistage fire grate formula incinerator of claim 1, wherein auxiliary air flows in the inboard of jet pipe (52), cooling in order to make, and jet preheat air and be provided with and mix the wing (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011180277A CN1142384C (en) | 2001-05-15 | 2001-05-15 | Multi-stage grate incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011180277A CN1142384C (en) | 2001-05-15 | 2001-05-15 | Multi-stage grate incinerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1318710A true CN1318710A (en) | 2001-10-24 |
| CN1142384C CN1142384C (en) | 2004-03-17 |
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ID=4662928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011180277A Expired - Fee Related CN1142384C (en) | 2001-05-15 | 2001-05-15 | Multi-stage grate incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1142384C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315525A (en) * | 2014-09-22 | 2015-01-28 | 济南沃福工贸有限公司 | Downward air supply stepped rotary fire grate and furnace body |
| CN105318334A (en) * | 2015-12-04 | 2016-02-10 | 江苏碧诺环保科技有限公司 | Drying and incineration system |
| CN105371283A (en) * | 2015-12-04 | 2016-03-02 | 江苏碧诺环保科技有限公司 | Sludge drying and incinerating process |
| CN105387465A (en) * | 2015-12-04 | 2016-03-09 | 江苏碧诺环保科技有限公司 | Incinerator |
| CN105953233A (en) * | 2016-06-15 | 2016-09-21 | 镇江市中能机械设备有限公司 | Solid waste treatment equipment |
| CN109556119A (en) * | 2018-12-28 | 2019-04-02 | 广东华祐新材料有限公司 | A kind of refuse incinerator |
| CN110068014A (en) * | 2018-11-10 | 2019-07-30 | 自贡市现代秋收机械有限公司 | A kind of purification method of house refuse burning processing |
-
2001
- 2001-05-15 CN CNB011180277A patent/CN1142384C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315525A (en) * | 2014-09-22 | 2015-01-28 | 济南沃福工贸有限公司 | Downward air supply stepped rotary fire grate and furnace body |
| CN105318334A (en) * | 2015-12-04 | 2016-02-10 | 江苏碧诺环保科技有限公司 | Drying and incineration system |
| CN105371283A (en) * | 2015-12-04 | 2016-03-02 | 江苏碧诺环保科技有限公司 | Sludge drying and incinerating process |
| CN105387465A (en) * | 2015-12-04 | 2016-03-09 | 江苏碧诺环保科技有限公司 | Incinerator |
| CN105318334B (en) * | 2015-12-04 | 2017-12-22 | 江苏碧诺环保科技有限公司 | A kind of drying and incineration system |
| CN105387465B (en) * | 2015-12-04 | 2018-06-29 | 江苏碧诺环保科技有限公司 | A kind of incinerator |
| CN105953233A (en) * | 2016-06-15 | 2016-09-21 | 镇江市中能机械设备有限公司 | Solid waste treatment equipment |
| CN110068014A (en) * | 2018-11-10 | 2019-07-30 | 自贡市现代秋收机械有限公司 | A kind of purification method of house refuse burning processing |
| CN109556119A (en) * | 2018-12-28 | 2019-04-02 | 广东华祐新材料有限公司 | A kind of refuse incinerator |
| CN109556119B (en) * | 2018-12-28 | 2024-05-14 | 浙江华祐环保产业有限公司 | Novel garbage incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1142384C (en) | 2004-03-17 |
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