CN206160155U - Give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device - Google Patents

Give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device Download PDF

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Publication number
CN206160155U
CN206160155U CN201621177801.6U CN201621177801U CN206160155U CN 206160155 U CN206160155 U CN 206160155U CN 201621177801 U CN201621177801 U CN 201621177801U CN 206160155 U CN206160155 U CN 206160155U
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China
Prior art keywords
rotary kiln
kiln
danger
useless
batcher
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Active
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CN201621177801.6U
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Chinese (zh)
Inventor
刘增
赵宝海
杨耕桃
吕悦玲
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Priority to CN201621177801.6U priority Critical patent/CN206160155U/en
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Abstract

The utility model provides a give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device, including the receiver bin, the batcher, multi -functional fuel mouth, hot -blast jetting device in the kiln, the rotary kiln, powder suspending device, second combustion chamber, scraper blade slag extractor, the batcher, hot -blast jetting device sets up the entrance at the rotary kiln respectively in multi -functional fuel mouth and the kiln, the receiver bin sets up the top at the batcher, be provided with powder suspending device at the middle part of rotary kiln, afterbody at the rotary kiln sets up second combustion chamber, scraper blade slag extractor sets up the lower extreme at second combustion chamber. The utility model discloses can simultaneously also but exclusive use solid, gas, three kinds of fuel of liquid be the kiln heat supply, under the urgent blowing out condition, can use steam or nitrogen gas, water to cool down for red -hot kiln. Hot -blast jetting device increases the area of contact between material and the gas in adopting powder suspending device and kiln to enhanced heat transfer, drying and combustion efficiency improve the burning furnace device is burnt to the rotary kiln formula throughput and efficiency.

Description

The useless rotary kiln type incinerator apptss of one kind danger large-scale based on sludge
Technical field
This utility model is related to rubbish and danger waste burning process field, more particularly to solid semisolid rubbish, the useless revolution of danger Kiln formula incinerator technical field.
Background technology
At present, based on sludge the useless rotary kiln type incinerator of danger does not also form large-scale, the capacity of incinerator of single set Also be only daily tens tons of abilities, for the useless rotary kiln type incinerator of large-scale danger of burning disposal 300t/d based on sludge its Burning process difficulty greatly, yet there are no so far running example, how make the dry useless realization of solid danger in rotary kiln, burning, after-flame Efficient burning process be its technology key.A kind of useless rotary kiln type of large-scale danger based on sludge of the present utility model is burned Furnace apparatus solve problems.
Utility model content
The purpose of this utility model is to provide a kind of useless rotary kiln type incinerator apptss of danger large-scale based on sludge, and reinforcing is passed Heat, dry and combustion efficiency, improve the disposal ability and efficiency of rotary kiln type incinerator apptss.
In order to achieve the above object, this utility model employs the following technical solutions realization:
The useless rotary kiln type incinerator apptss of one kind danger large-scale based on sludge, including receiver bin, batcher, multifunctional fuel Hot blast blowing device, rotary kiln, powder suspension device, dual firing chamber, scraper plate slag extractor in mouth, kiln, batcher, multifunctional fuel mouth With the porch that hot blast blowing device in kiln is separately positioned on rotary kiln, receiver bin is arranged on the top of batcher, in rotary kiln Middle part be provided with powder suspension device, the blowpipe in powder suspension device is connected with rotary kiln inside, in rotary kiln Afterbody arranges dual firing chamber, and scraper plate slag extractor is arranged on the lower end of dual firing chamber.
Spiral material lifting belt is built by laying bricks or stones on the inwall of the rotary kiln, some material lifting belts are uniformly distributed in kiln section.
The powder suspension device includes blower fan, blast main, blowpipe, and blowpipe is circumferentially square on rotary kiln To arrangement, and it is connected with inside rotary kiln, blowpipe is connected respectively with blast main, blast main's connecting fan.
The multifunctional fuel mouth includes a supervisor and 3 arms being connected with supervisor, and supervisor's entrance is pouring orifice, The entrance of 3 arms is respectively air intake and two fuel inlets.
The injection of hot blast blowing device in the kiln is responsible for and is provided with several injection arms, and injection arm is arranged on On the circumferencial direction of injection supervisor.
Compared with prior art, the beneficial effects of the utility model are:
1) the whole combustion airs needed for rotary kiln incineration danger is given up are not all of from kiln hood one end feeding, but some Send in kiln from position in the kiln of rotary kiln, i.e. powder suspension device, the blowpipe of powder suspension device continues to be sprayed into kiln Combustion air is blown, the part combustion air is useless to solid danger to have the material suspended effect that allows, and solid danger can be promoted to give up and further burnt Burn;Simultaneously, it is therefore prevented that the kiln hood low temperature and wind speed caused from kiln hood one end feeding due to whole combustion airs is too fast.
2) combustion air sent into from kiln hood, some is the hot blast of Jing hot blast stove heats, and the part hot blast is to rotary kiln Granular material at kilneye and on kiln cylinder barrel is blown, and material is dispelled and is kicked up, and makes to have just enter into the sludge suspension mistake in kiln Journey rapid draing, and make its heat up as early as possible pyrolysis and burning;
3) the kiln inner working face of rotary kiln is not bright finish structure, and 2/3 length direction of feed end to exhaust end carries spiral Line lifting boss, can improve solid danger waste burning speed and extend the time of staying that solid danger is given up in rotary kiln;
4) fuel that multifunctional fuel burner is used during the system blowing out in particular cases causing, be able to can be adopted with variation Appropriate self-produced steam or water are sprayed into into kiln by the Multifunctional main burner of rotary kiln end with fire fighting mode, cooling mesh is reached , reduce internal system oxygen content and make to lower the temperature in kiln by being passed through noble gases, suppress combustible volatilization in kiln.
Description of the drawings
Fig. 1 is a kind of structural representation of the useless rotary kiln type incinerator apptss of danger large-scale based on sludge of this utility model.
Fig. 2 is the structural representation of multifunctional fuel burner in this utility model.
Fig. 3 is the A of Fig. 2 to partial view.
Hot blast blowing device figure in kiln in Fig. 4 this utility model.
Fig. 5 is the spiral type material lifting belt structural representation on rotary kiln inwall.
Fig. 6 is powder suspension apparatus structure schematic diagram in this utility model.
In figure:1- receiver bins, 2- batchers, 3- multifunctional fuel burners, 3-1 air intakes, 3-2 pouring orifices, 3-3 fuel Hot blast blowing device, 4-1 injection supervisors, 4-2 spray arm, 4-3 hot-wind inlets, 5- in entrance I, 3-4 fuel inlets II, 4- kilns Emergent diffusing chimney, 6- rotary kilns, 7- powder suspension devices, 7-1 blowpipes, 7-2 blast mains, 8- dual firing chamber, 9- scraper plates Slag extractor, the natural gas combustion nozzle of 10- secondary burnings, 11- dual firing chamber additional natural gas combustor, 12- moving carts, 13- spirals Line lifting boss.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings:
As shown in figs 1 to 6, a kind of useless rotary kiln type incinerator apptss of danger large-scale based on sludge, including receiver bin 1, give Hot blast blowing device 4, rotary kiln 6, powder suspension device 7, dual firing chamber 8, scraper plate deslagging in material machine 2, multifunctional fuel mouth 3, kiln Machine 9, hot blast blowing device 4 is separately positioned on the porch of rotary kiln 6, receiver bin 1 in batcher 2, multifunctional fuel mouth 3 and kiln The top of batcher 2 is arranged on, the middle part of rotary kiln 6 is provided with powder suspension device 7, the air-supply in powder suspension device 7 Arm 7-1 is connected with the inside of rotary kiln 6, and in the afterbody of rotary kiln 6 dual firing chamber 8 is arranged, and scraper plate slag extractor 9 is arranged on dual firing chamber 8 Lower end.
The natural gas combustion nozzle 10 of secondary burning is additionally provided between dual firing chamber 8 and rotary kiln 6, is also pacified in dual firing chamber 8 Equipped with dual firing chamber additional natural gas combustor 11, ash pit is provided with dual firing chamber 8, the residue after burning is arranged by ash pit To in the scraper plate slag extractor 9 of bottom, at the top of dual firing chamber 8 emergent diffusing chimney 5 is also equipped with.
See Fig. 5, built spiral material lifting belt by laying bricks or stones on the inwall of the rotary kiln 6, some material lifting belts are uniform in kiln section Distribution.In the length of direction 2/3 of rotary kiln feed end to exhaust end, helix lifting boss 13 has been built by laying bricks or stones, form spiral and raise Material strip, the quantity of spiral material lifting belt can require to select to determine according to the different attribute of material and calcine technology.
See Fig. 6, the powder suspension device 7 includes blower fan, blast main 7-2, blowpipe 7-1, and blowpipe 7-1 exists It is circumferentially disposed on rotary kiln 6, and be connected with inside rotary kiln 6, blowpipe 7-1 connects respectively with blast main 7-2 Connect, blast main's 7-2 connecting fans.Blower fan is hung on the outer wall of rotary kiln 6.
See Fig. 2, Fig. 3, the multifunctional fuel mouth 3 includes a supervisor and 3 and the arms for being responsible for be connected, be responsible for into Mouth is pouring orifice 3-2, and the entrance of 3 arms is respectively air intake 3-1 and two fuel inlets 3-3,3-4.Oil fuel tube has Ignite function.
See Fig. 4, the injection of hot blast blowing device 4 in the kiln is responsible on 4-1 and is provided with several injections arm 4-2, Injection arm 4-2 is arranged on the circumferencial direction of injection supervisor 4-1.
Hot blast blowing device 4 is bundled in same moving cart 12 in batcher 2, multifunctional fuel mouth 3 and kiln, is being returned The kilneye of rotary kiln 6 is provided with the patchhole of hot blast blowing device 4 in batcher 2, multifunctional fuel mouth 3 and kiln, batcher 2, many Hot blast blowing device 4 is entered in rotary kiln 6 respectively from respective patchhole in function fuel nipple 3 and kiln.
A kind of burning process of the useless rotary kiln type incinerator apptss of danger large-scale based on sludge, it is specific as follows:
1) multifunctional fuel burner 3 can multi fuel heat supply:Can also be can be used alone solid, gas, three kinds of liquid simultaneously Fuel is kiln heat supply, and solid fuel can be coal dust, coke powder, the useless fine powder of solid danger;Liquid fuel can be oil, danger waste oil liquid Or waste liquid;Gaseous fuel can be natural gas, biogas or other fuel gas;In the case of urgent blowing out, can be simultaneously also independent The use of steam, water is that red-hot kiln is lowered the temperature and reduces furnace gas oxygen content by being passed through noble gases, suppresses stove under high temperature The volatilization of interior combustible component generates coal gas and discharges out of the furnace chance air burst;
2) hot blast blowing device 4 is blown to the granular material at the kilneye of rotary kiln 6 and on kiln cylinder barrel in kiln, by thing Material is dispelled to be kicked up, and increases the contact area between gas in material and kiln, so as to augmentation of heat transfer, drying and combustion efficiency;
3) powder suspension device 7 can strengthen the combustion process of material in kiln:Material enters rotary kiln 6, thing from entrance point Material continues to material air-supply, powdery with the rotary motion of rotary kiln 6 in the circumferentially disposed blowpipe 7-1 of rotary kiln 6 Material is kicked up by combustion air and reaches suspended state, further to promote material to burn completely.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not Be confined to this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this practicality New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model Within enclosing.

Claims (5)

1. useless rotary kiln type incinerator apptss of one kind large-scale danger based on sludge, it is characterised in that including receiver bin, batcher, Hot blast blowing device, rotary kiln, powder suspension device, dual firing chamber, scraper plate slag extractor in multifunctional fuel mouth, kiln are batcher, more Hot blast blowing device is separately positioned on the porch of rotary kiln in function fuel nipple and kiln, and receiver bin is arranged on the upper of batcher Side, is provided with powder suspension device in the middle part of rotary kiln, and the blowpipe in powder suspension device is connected with rotary kiln inside, Dual firing chamber is set in the afterbody of rotary kiln, scraper plate slag extractor is arranged on the lower end of dual firing chamber.
2. useless rotary kiln type incinerator apptss of one kind according to claim 1 danger large-scale based on sludge, it is characterised in that Spiral material lifting belt is built by laying bricks or stones on the inwall of the rotary kiln, some material lifting belts are uniformly distributed in kiln section.
3. useless rotary kiln type incinerator apptss of one kind according to claim 1 danger large-scale based on sludge, it is characterised in that The powder suspension device includes blower fan, blast main, blowpipe, and blowpipe is circumferentially disposed on rotary kiln, And be connected with inside rotary kiln, blowpipe is connected respectively with blast main, blast main's connecting fan.
4. useless rotary kiln type incinerator apptss of one kind according to claim 1 danger large-scale based on sludge, it is characterised in that The multifunctional fuel mouth includes a supervisor and 3 and is responsible for the arms that are connected, and supervisor's entrance is pouring orifice, 3 arms Entrance be respectively air intake and two fuel inlets.
5. useless rotary kiln type incinerator apptss of one kind according to claim 1 danger large-scale based on sludge, it is characterised in that The injection of hot blast blowing device in the kiln is responsible for and is provided with several injection arms, and injection arm is arranged on injection supervisor Circumferencial direction on.
CN201621177801.6U 2016-10-27 2016-10-27 Give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device Active CN206160155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621177801.6U CN206160155U (en) 2016-10-27 2016-10-27 Give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device

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Application Number Priority Date Filing Date Title
CN201621177801.6U CN206160155U (en) 2016-10-27 2016-10-27 Give first place to useless rotary kiln formula of large -scale danger with mud and burn burning furnace device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402894A (en) * 2016-10-27 2017-02-15 中冶焦耐(大连)工程技术有限公司 Large-size hazardous waste rotary kiln type incinerator device taking sludge as main target

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402894A (en) * 2016-10-27 2017-02-15 中冶焦耐(大连)工程技术有限公司 Large-size hazardous waste rotary kiln type incinerator device taking sludge as main target

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