CN206055638U - For the cracking incinerator of waste process of endangering - Google Patents

For the cracking incinerator of waste process of endangering Download PDF

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Publication number
CN206055638U
CN206055638U CN201620826152.1U CN201620826152U CN206055638U CN 206055638 U CN206055638 U CN 206055638U CN 201620826152 U CN201620826152 U CN 201620826152U CN 206055638 U CN206055638 U CN 206055638U
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China
Prior art keywords
cracking
section
incinerator
incineration area
slagging tap
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CN201620826152.1U
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Chinese (zh)
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高松
郭然
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Beijing Beikong Environmental Protection Engineering Co. Ltd.
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Beikong Annai Environmental Technology Development Co Ltd Changzhou
Beijing Beikong Environmental Protection Engineering Co Ltd
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Abstract

The utility model discloses a kind of cracking incinerator for waste process of endangering, the cracking incinerator is divided into feed zone, cracking section, incineration area and section of slagging tap from top to bottom, wherein feed zone is provided with charging aperture and exhanst gas outlet, incineration area is respectively arranged with oppositely rolling roller crusher fire grate up and down, and section of slagging tap is provided with air inlet and slag notch.Incinerated matter can first be treated using cracking incinerator of the present utility model carries out cracking gasification, then carries out subregion burning to fixed carbon and cracking gas such that it is able to which treating incinerated matter carries out sufficiently thoroughly burning disposal;And the air-cooled pattern of slag is adopted, greatly improve production efficiency and energy utilization rate.

Description

For the cracking incinerator of waste process of endangering
Technical field
This utility model relates in general to incineration of waste process field of endangering, and in particular to a kind of cracking incinerator.
Background technology
Danger wastes (danger waste) refer to corrosivity, toxicity, inflammability, reactivity or infectivity etc. it is a kind of or The garbage of several hazard properties of person.As industrial expansion, the danger waste of industrial processes discharge are increasing, how to enter Row safely and efficiently processes environmentally safe significant.
In the CIU that existing rotary kiln adds secondary combustion chamber, due to the limitation of device structure, cause to discard Thing is dried in the same area, preheats, is burned, and fixed carbon is difficult subregion burning with fugitive constituent, causes rotary kiln burn-off rate inclined It is low, secondary combustion chamber's afterburning amount increase.
Utility model content
The purpose of this utility model is to overcome certain or some problem in above-mentioned background technology, there is provided one kind is used for The cracking incinerator that danger waste is processed.
Feed zone, cracking section, incineration area are divided into from top to bottom according to cracking incinerator of the present utility model and are slagged tap Section, wherein feed zone is provided with charging aperture and exhanst gas outlet, and incineration area is respectively arranged with oppositely rolling roller crusher fire grate up and down, slags tap Section is provided with air inlet and slag notch;Material to be burned is entered from top to bottom from charging aperture, air from air inlet Jing slag tap section by Under up flow into, material to be burned first forms solidss and cracking gas in cracking section cracking gasification, and solidss are burnt into incineration area Burn, the cracking gas that the flue gas that incineration area is generated is generated with cracking section is together expelled to next stage burner from exhanst gas outlet.
In a specific embodiment of the present utility model, feed zone is provided with stock distributor.Distributed by material Device will equably fall into cracking section after material dispersion is burned.
In another specific embodiment of the present utility model, it is provided with the roller outer peripheral face of oppositely rolling roller crusher fire grate Grinding tooth, can crush to material.
In another specific embodiment of the present utility model, slagged tap from conveying worm, helical feed equipment There are closing housing and the spiral scraper in housing.Air inlet and slag notch are set on screw conveyor housing.
Under concrete condition, incineration area has auxiliary combustion equipment.Fuel gas (example can be input into incineration area by auxiliary combustion equipment Such as natural gas) and lighted a fire.
Using cracking incinerator of the present utility model, can first treat incinerated matter carries out cracking gasification, then to fixation Carbon and cracking gas carry out subregion burning such that it is able to which treating incinerated matter carries out sufficiently thoroughly burning disposal;And adopt slag wind Chill formula, greatly improves production efficiency and energy utilization rate.
Description of the drawings
Fig. 1 is the general illustration according to danger waste vertical burning system of the present utility model.
Specific embodiment
Describe cracking incinerator of the present utility model below in conjunction with the accompanying drawings in detail.Those skilled in the art should manage Solution, the embodiments described below are only to exemplary illustration of the present utility model, not for any restriction is made to which.
Fig. 1 shows the danger waste subregion CIU that incinerator is cracked using this utility model, and which includes cracking Incinerator 100 and secondary combustion chamber 200.Be mainly used in danger waste burning disposal, also apply be applicable to other fuel or The burning disposal of house refuse.Treat that the form of incinerated matter is mainly solid-state bulk material, can also add liquid object or paste (half Solid-state).
Cracking incinerator 100 is vertical structure, is divided into feed zone 110, cracking section 120, incineration area 130 from top to bottom With section 140 of slagging tap.Feed zone 110 is provided with charging aperture 111 and exhanst gas outlet 113, and charging aperture 111 is generally arranged at cracking gasification The top of incinerator 100, exhanst gas outlet 113 are generally arranged on the side wall of cracking incinerator 100.In charging aperture 111 Preferably disposed below there is stock distributor 112, from the entrance of charging aperture 111 after incinerated matter Jing after the dispersion of stock distributor 112 Cracking section 120 is fallen into equably.
Connected (separate) by upper fire-grating 131 between cracking section 120 and incineration area 130, incineration area 130 and section 140 of slagging tap Between connected (separate) by lower fire grating 132.In the embodiment shown in the drawings, upper fire-grating 131 and lower fire grating 132 all adopt right Kibbler roll (roller tooth disintegrating machine), the roller of oppositely rolling roller crusher are arranged in burner hearth, and drive mechanism (motor) is arranged on and splits The outside of solution incinerator 100.Multiple rollers are covered with the cross section of burner hearth side by side, and the outer peripheral face of each roller is provided with to be nibbled Tooth.Certain gap is provided between adjacent rollers, material continuously can be conveyed downwards, gas can be allowed again to convey from the bottom up. During work, two adjacent rollers are rotated against, so as to broken backward lower conveying, the material after crushing are carried out to material or slag Can burn rapidly in incineration area 130.Auxiliary combustion equipment 133 is provided with furnace wall between positioned at upper and lower fire grate, by combustion-supporting dress Put 133 to be input into fuel gas (such as natural gas) to incineration area 130 and be lighted a fire.Can be with the furnace wall of incineration area 130 Temperature and oxygen content monitor are set, for temperature and oxygen content in real-time detection incineration area 130.
140 bottom of section of slagging tap is provided with conveying worm 141, and conveying worm 141 has closing housing and is located at housing Interior spiral scraper 142, the upper opening for closing housing are connected with the inside of cracking incinerator 100.On closing housing It is provided with air inlet 143 and slag notch 144.Air inlet 143 can be connected with primary blower, for supplying to incineration area 130 Answer First air.The First air entered from air inlet 143 first carries out heat exchange with slag, makes while cooling of furnace slag to enter First air Row preheating, the slag Jing slag notches 144 after cooling are outwards conveyed, and can be delivered directly to slag storehouse or by closed freight house card Car is outwards conveyed.In Fig. 1, the set location of air inlet 143 and slag notch 144 is merely illustrative, can be arranged on according to specific needs Other correct positions of closing housing.
The exhanst gas outlet 113 of cracking incinerator 100 is by pipeline and the bottom air inlet 201 of secondary combustion chamber 200 Connection.The top offgas outlet 205 of secondary combustion chamber 200 is for being connected with exhaust treatment system.In cracking incinerator 100 Flying dust expansion chamber 150 is preferably provided with the connecting line of secondary combustion chamber 200, for settling and collecting flying dust in flue gas, Reduce into the solid particle in flue gas in secondary combustion chamber 200.150 bottom of flying dust expansion chamber is provided with Dual-gravity cindervalve 151, for the flying dust that outwards conveying is collected.Due to very little into fly ash content in the flue gas in secondary combustion chamber 200, therefore The grey quantity of slag produced in secondary combustion chamber 200 just seldom, therefore only need to arrange shoot door 210 in 200 bottom of secondary combustion chamber, Shoot door 210 is opened when secondary combustion chamber 200 does not work and pours out lime-ash.
200 bottom of secondary combustion chamber is provided with secondary wind entrance 204, is connected with secondary blower, to secondary firing Sufficient air is provided in room 200 and ensures that cracked gas are fully burned.Secondary wind entrance 204 is connected with annular gas point Orchestration 206, for equably filling into air into secondary combustion chamber 200.In addition, the bottom of secondary combustion chamber 200 can also set Auxiliary combustion equipment (not shown) is equipped with, and combustion-supporting or igniting is carried out for the middle afterburning gas that sprays into into secondary combustion chamber 200.
Work of the lower mask body introduction according to cracking incinerator of the present utility model and danger waste subregion CIU Principle and the course of work.
General plotting of the present utility model is to make to treat that incinerated matter (waste of for example endangering) first carries out cracking gas, forms fixed carbon Then their subregions are burnt by part and cracking gas part again.
Cracking incinerator 100 in, after incinerated matter from charging aperture 111 enter after from top to bottom motion sequentially pass through into Material section 110, cracking section 120, incineration area 130, section of slagging tap 140.Treat that incinerated matter is toasted by high temperature in cracking section 120, complete Cracking gasification, forms solidss (mainly containing fixed carbon) and cracking gas (mainly containing alkanes, hydrocarbon component).Jing after high-temperature baking Solidss under the drive of upper fire-grating 131 enter incineration area 130.Flue gas and pyrolysis gas together upwardly through the bed of material, to material Layer is preheated and baking, material to be burned fully is dehydrated, and the bed of material plays a role in filtering to flue gas, and the later stage is greatly lowered Dust concentration in flue dust, mitigates the load of later stage exhaust treatment system.The low flue gas of dust content and cracking gas are together entered Secondary combustion chamber 200 carries out secondary after-flame.
First air is entered from air inlet 143, and Jing slag layers enter incineration area 130.By First air and slag heat exchange, make Slag temperature is reduced, and one time air temperature is raised.The supply of First air air quantity is needed according to determination of oxygen content instrument real-time regulation in stove, Guarantee 130 appropriate oxygen supply of incineration area, the fuel gas cracked out in cracking section 120 can not burn.
A big feature of the present utility model is that gas-solid is driven in the wrong direction, and material is fully dried, and enters and burn when being close to burning-point Area, incineration area are thoroughly carbonized burning-up.The bed of material filters substantial amounts of dust, and the cleannes of gas are higher.And+two grades of existing rotary kiln The CIU of combustor, material carry out mixed combustion (not only cracked but also burnt) in rotary kiln, containing big in the flue gas of generation Amount solid particle, needs to fill into a large amount of afterburning gases when burning in secondary combustion chamber;And the dust content in tail gas is high, plus The big difficulty of follow-up vent gas treatment.
Additionally, another big advantage of the present utility model is the air-cooled pattern of slag.And the slag produced by conventional incinerators leads to Frequently be water-cooled pattern, the vapor in cooling procedure enters incineration area and can reduce the ignition temperature of incineration area, affects to burn Quality is burnt, the slag after water-cooled generally using mode is dried, ooze in underground in slag by the sewage major part containing high pollution composition, Form secondary pollution.And this utility model adopt the air-cooled pattern of slag, slag obtain in the case of not in contact with the ground cooling and Conveying, had both made full use of the energy and saving water resource, and can prevent the pollution of the environment again.

Claims (5)

1. it is a kind of for endanger waste process cracking incinerator, it is characterised in that the cracking incinerator is from top to bottom It is divided into feed zone, cracking section, incineration area and section of slagging tap, wherein feed zone is provided with charging aperture and exhanst gas outlet, and incineration area is upper and lower Oppositely rolling roller crusher fire grate is respectively arranged with, section of slagging tap is provided with air inlet and slag notch;Material to be burned is from charging aperture by upper Flowed into from air inlet Jing sections of slagging tap from lower to upper down into, air, material to be burned first forms solid in cracking section cracking gasification Body thing and cracking gas, solidss into incineration area burn, incineration area generate flue gas with cracking section generate cracking gas together from Exhanst gas outlet is expelled to next stage burner.
2. cracking incinerator according to claim 1, it is characterised in that feed zone is provided with stock distributor.
3. cracking incinerator according to claim 1, it is characterised in that the roller periphery of oppositely rolling roller crusher fire grate Grinding tooth is provided with face.
4. cracking incinerator according to claim 1, it is characterised in that a section bottom of slagging tap is entered by conveying worm Row is slagged tap, and conveying worm has closing housing and the spiral scraper in housing, and air intake is arranged on screw conveyor housing Mouth and slag notch.
5. cracking incinerator according to claim 1, it is characterised in that incineration area is provided with auxiliary combustion equipment.
CN201620826152.1U 2016-08-01 2016-08-01 For the cracking incinerator of waste process of endangering Active CN206055638U (en)

Priority Applications (1)

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CN201620826152.1U CN206055638U (en) 2016-08-01 2016-08-01 For the cracking incinerator of waste process of endangering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620826152.1U CN206055638U (en) 2016-08-01 2016-08-01 For the cracking incinerator of waste process of endangering

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307547A (en) * 2019-07-31 2019-10-08 深圳市弘玮环境技术有限公司 Microwave catalysis incinerator
CN111256145A (en) * 2020-01-19 2020-06-09 盛建辉 Waste pyrolysis furnace for environmental improvement
CN113587111A (en) * 2021-08-09 2021-11-02 绵阳科大久创科技有限公司 High-temperature incinerator and matched flue gas cooling and purifying tower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307547A (en) * 2019-07-31 2019-10-08 深圳市弘玮环境技术有限公司 Microwave catalysis incinerator
CN111256145A (en) * 2020-01-19 2020-06-09 盛建辉 Waste pyrolysis furnace for environmental improvement
CN113587111A (en) * 2021-08-09 2021-11-02 绵阳科大久创科技有限公司 High-temperature incinerator and matched flue gas cooling and purifying tower
CN113587111B (en) * 2021-08-09 2023-11-24 绵阳科大久创科技有限公司 High-temperature incinerator and matched flue gas cooling and purifying tower

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Effective date of registration: 20180813

Address after: 100124 floor 15, Jin Changan block C, 82 East Fourth Ring Road, Chaoyang District, Beijing.

Patentee after: Beijing Beikong Environmental Protection Engineering Co. Ltd.

Address before: 100124 floor 15, Jin Changan block C, 82 East Fourth Ring Road, Chaoyang District, Beijing.

Co-patentee before: Beikong Annai Environmental Technology Development Co., Ltd. Changzhou

Patentee before: Beijing Beikong Environmental Protection Engineering Co. Ltd.