CN207702475U - Dangerous waste incineration rotary kiln - Google Patents
Dangerous waste incineration rotary kiln Download PDFInfo
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- CN207702475U CN207702475U CN201721739893.7U CN201721739893U CN207702475U CN 207702475 U CN207702475 U CN 207702475U CN 201721739893 U CN201721739893 U CN 201721739893U CN 207702475 U CN207702475 U CN 207702475U
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- rotary kiln
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Abstract
The utility model discloses a kind of dangerous waste incineration rotary kilns, including：Charging gear, material-pulling device, cylinder of rotary kiln, sealing device, kiln hood ash bucket, dual firing chamber, supporting arrangement and driving device；One end of material-pulling device extends into the kiln hood side of cylinder of rotary kiln, and material-pulling device extends into the side in cylinder of rotary kiln and is higher than the other side, and the lower part of charging gear is connected to side wall above the barrel of material-pulling device；With axial horizontally disposed, the inner wall fitting setting refractory material layer of cylinder of rotary kiln, thickness of the refractory material layer in an axial direction from kiln tail to kiln hood uniformly increases cylinder of rotary kiln.Pass through the technical solution of the utility model, improve the abrasion condition of the supporting arrangement and driving device below cylinder of rotary kiln, cylinder of rotary kiln is not easy to glide along material moving direction, avoid kiln hood over-emitting black exhaust and tempering phenomenon simultaneously, incineration system continuous and steady operation is realized, ensure that the safe and reliable of incineration system.
Description
Technical field
The utility model is related to burning facility technical field more particularly to a kind of dangerous waste incineration rotary kilns.
Background technology
Dangerous waste incineration rotary kiln is set originating from alumina producer, cement plant and the main thermal technology of other chemical metallurgy factories
It is standby.The device has been increasingly becoming the capital equipment of danger wastes harmlessness disposing, in industry field since introducing the country
It is widely used.Since the length of rotary kiln is longer, to realize material in rotary kiln in calcination process it is continuous forward
It is mobile, often apply certain gradient to cylinder in the prior art, this will be on the tugboat and driving device of cylinder body bottom
Axial force is generated, the abrasion of contact surface is aggravated.In addition, the material that cylinder gradient causes kiln hood position is higher than kiln tail, work as revolution
Kiln can cause internal high temperature flue gas to overflow when occurring positive pressure in a short time, the phenomenon that smokeing clogging and being tempered occur, can also be led when serious
Material hole fire is caused, entire feeding system is burnt out, influences the safety of incineration system.
Utility model content
At least one of regarding to the issue above, the utility model provides a kind of dangerous waste incineration rotary kiln, passes through
Cylinder of rotary kiln is axially horizontal positioned, and refractory material layer is arranged in constant slope so that cylinder of rotary kiln is in rotary course
The supporting arrangement of bottom and the axially loaded of driving device are far below tilting rotary kiln, and cylinder of rotary kiln is not easy to move along material
Direction glides.In addition, being contributed to form inside refractory material layer by the air-flow rising space of kiln hood to kiln tail direction, help to promote
Dual firing chamber is flowed into high-temperature flue gas and toxic gas, kiln hood over-emitting black exhaust and tempering phenomenon is avoided, it is continuously steady to realize incineration system
Fixed operation, ensure that the safe and reliable of incineration system.
To achieve the above object, the utility model provides a kind of dangerous waste incineration rotary kiln, including：Charging gear,
Material-pulling device, cylinder of rotary kiln, sealing device, kiln hood ash bucket, dual firing chamber, supporting arrangement and driving device；The charging gear
For tubular structure, the material-pulling device includes barrel and pusher, and the pusher is set in the barrel, described to give
Expect that device is vertically arranged, one end of the material-pulling device extends into the kiln hood side of the cylinder of rotary kiln, the pusher dress
It sets and extends into the side in the cylinder of rotary kiln higher than the other side, the material of the lower part of the charging gear and the material-pulling device
The side wall connection of cylinder top；The cylinder of rotary kiln is tubular structure, and the cylinder of rotary kiln is horizontally disposed in an axial direction, the revolution
The inner wall fitting setting refractory material layer of kiln cylinder body, thickness of the refractory material layer in an axial direction from kiln tail to kiln hood uniformly increase
Add, the kiln tail side of the cylinder of rotary kiln is passed through in dual firing chamber；The opening of the kiln hood ash bucket is undertaken in the rotary kiln cylinder
The lower section of the kiln hood side of body, the sealing device are close to institute respectively at the kiln hood side of the cylinder of rotary kiln and kiln tail side
The outer wall for stating cylinder of rotary kiln is sealed, and slag notch is arranged below the dual firing chamber, the supporting arrangement is in the rotary kiln
The cylinder of rotary kiln is supported below cylinder, the driving device drives the cylinder of rotary kiln to be overturn by rotary shaft of axial direction.
In the above-mentioned technical solutions, it is preferable that the barrel of the material-pulling device is after the close connecting portion with charging gear
The lower wall of side is provided with grid, and the undertaking opening of the kiln hood ash bucket of the grid and lower section is correspondingly arranged.
In the above-mentioned technical solutions, it is preferable that the refractory material layer is along kiln hood side to kiln tail side and horizontal direction
Between gradient be 3%-6%.
In the above-mentioned technical solutions, it is preferable that the lower part of charging gear setting buffering segmental arc, the buffering segmental arc to
The direction of the higher side of the barrel tilts.
In the above-mentioned technical solutions, it is preferable that the port of the kiln hood side of the cylinder of rotary kiln is set as closing up.
In the above-mentioned technical solutions, it is preferable that the pusher of the material-pulling device includes scraping wings and charging ram, described
Charging ram is connected on the scraping wings, and the charging ram is hydraulic stem.
Compared with prior art, the beneficial effects of the utility model are：It is resistance to by the way that cylinder of rotary kiln is axially horizontal positioned
Fiery material layer is arranged in constant slope so that the axis of cylinder of rotary kiln supporting arrangement and driving device of lower section in rotary course
It is far below tilting rotary kiln to stress, improves the abrasion condition of the supporting arrangement and driving device below cylinder of rotary kiln,
Cylinder of rotary kiln is not easy to glide along material moving direction.Material-pulling device bottom sets grid can be to avoid charging ram material on the way back and forth
Entrainment is spilt to bottom surface, and the partial material is with the returning charge of the kiln hood position of cylinder of rotary kiln by being collected together with kiln hood ash bucket.This
Outside, it is contributed to form inside refractory material layer by the air-flow rising space of kiln hood to kiln tail direction, peomotes high-temperature flue gas
And toxic gas flows to dual firing chamber, avoids kiln hood over-emitting black exhaust and tempering phenomenon, realizes incineration system continuous and steady operation, ensures
Incineration system it is safe and reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of dangerous waste incineration rotary kiln disclosed in a kind of embodiment of the utility model.
In figure, the correspondence between each component and reference numeral is：
1. charging gear, 2. material-pulling devices, 3. grids, 4. kiln hood ash buckets, 5. sealing devices, 6. cylinder of rotary kiln, 7. is resistance to
Fiery material layer, 8. dual firing chamber, 9. slag notches.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
The utility model is further described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1, according to a kind of dangerous waste incineration rotary kiln provided by the utility model, including：Charging gear 1,
Material-pulling device 2, cylinder of rotary kiln 6, sealing device 5, kiln hood ash bucket 4, dual firing chamber 8, supporting arrangement and driving device；Charging gear
1 is tubular structure, and material-pulling device 2 includes barrel and pusher, and pusher is set in barrel, and charging gear 1 is vertically set
It sets, one end of material-pulling device 2 extends into the kiln hood side of cylinder of rotary kiln 6, and material-pulling device 2 extends into cylinder of rotary kiln 6
Side be higher than the other side, the lower part of charging gear 1 is connected to the barrel of material-pulling device 2 top side wall；Cylinder of rotary kiln 6 is cylinder
Shape structure, cylinder of rotary kiln 6 are horizontally disposed in an axial direction, the inner wall fitting setting refractory material layer 7 of cylinder of rotary kiln 6, fire proofed wood
Thickness of the bed of material 7 in an axial direction from kiln tail to kiln hood uniformly increases, and the kiln tail side of cylinder of rotary kiln 6 is passed through in dual firing chamber 8；Kiln hood
The opening of ash bucket 4 is undertaken in the lower section of the kiln hood side of cylinder of rotary kiln 6, kiln hood of the sealing device 5 respectively at cylinder of rotary kiln 6
The outer wall that cylinder of rotary kiln 6 is close in side and kiln tail side is sealed, and the lower section of dual firing chamber 8 is arranged slag notch 9, supporting arrangement in
6 lower section bearing and turning kiln cylinder body 6 of cylinder of rotary kiln, driving device drive cylinder of rotary kiln 6 to be overturn by rotary shaft of axial direction.
In this embodiment, it will be turned round to side movement in cylinder of rotary kiln for material in being different from the prior art
The integral inclined setting of kiln cylinder body, cylinder of rotary kiln 6 is horizontally arranged in an axial direction so that under cylinder of rotary kiln 6 is in rotary course
Axially loaded suffered by the supporting arrangement of side and the continuing surface of driving device is far below the cylinder of rotary kiln of tilting setting, to
Cylinder of rotary kiln 6 is not easy to glide along material moving direction.In addition, the inner surface of refractory material layer 7 is in certain from kiln hood to kiln tail
Gradient, gravity suffered by material during axial component can ensure material overturning burning in cylinder of rotary kiln 6 constantly
It is moved to kiln tail direction, the waste residue after burning is discharged after removing kiln tail from the slag notch 9 of dual firing chamber 8, meets continuous and stable production
Requirement.The gradient set-up mode of the inner surface of refractory material layer 7 contributes to form the air-flow rising by kiln hood to kiln tail direction
Space, peomotes high-temperature flue gas and toxic gas flows to dual firing chamber 8, avoids kiln hood over-emitting black exhaust and tempering phenomenon, realizes
Incineration system continuous and steady operation ensure that the safe and reliable of incineration system.
Specifically, axial horizontal using so that material is slowly promoted material-pulling device 2 and cylinder of rotary kiln 6 and
Refractory material layer 7 is in the rotary kiln device of constant slope, after material enters material-pulling device 2 by charging gear 1, material-pulling device 2
It is sent to inside cylinder of rotary kiln 6.Most materials enter and cylinder of rotary kiln 6, in high-temperature flue gas, refractory material layer 7
Common heat transfer effect under be dried, be pyrolyzed and burn.The supporting arrangement of 6 bottom of cylinder of rotary kiln include wheel belt, tugboat and
Hydraulic pressure thrust gear wheel, wheel belt are fixed on the outer wall of cylinder of rotary kiln 6, and tugboat is respectively at the corresponding wheel belt in 6 lower section of cylinder of rotary kiln
Position carry out support, hydraulic pressure thrust gear wheel is set at the contact position of wheel belt and tugboat, for prevent wheel belt and tugboat it
Between relative rotation to stop the rotation of cylinder of rotary kiln 6.Driving device includes actuating unit, gear ring and gear, and gear ring is fixed
In on the outer wall of cylinder of rotary kiln 6, gear is connected with actuating unit, and gear is mutually engaged with the alveolus of gear ring, and actuating unit drives
Gear rotates, and gear band moves ring gear against rotation, to drive cylinder of rotary kiln 6 to rotate.Since columned cylinder of rotary kiln 6 is along axis
To horizontally disposed, the contact area between driving device and the tugboat and hydraulic pressure thrust gear wheel and cylinder of rotary kiln 6 of supporting arrangement
Stress is more uniform, and mechanical wear degree can significantly reduce, and abrasion condition is improved, while avoiding cylinder of rotary kiln 6 to one
The problem of side glides.
In the above embodiment, it is preferable that the pusher of material-pulling device 2 includes scraping wings and charging ram, charging ram connects
It is connected on scraping wings, charging ram is hydraulic stem.
In this embodiment, for the plate face of scraping wings perpendicular to the axial direction of barrel, charging ram one end is connected to the one of scraping wings
Lateral plates, the other end are connected with hydraulic power mechanism, and under the driving of hydraulic power, charging ram drives scraping wings along the axis of barrel
To back and forth movement, material is pushed in cylinder of rotary kiln 6.
In the above embodiment, it is preferable that the barrel of material-pulling device 2 in close with 1 connecting portion rear of charging gear
Lower wall is provided with grid 3, and grid 3 and the undertaking opening of the kiln hood ash bucket 4 of lower section are correspondingly arranged.In this embodiment, if
It is not provided with grid 3, a small amount of material for being entrained in charging ram is might have in charging ram two-way process and is spilt to ground, therefore,
After grid 3 is set, through grid 3 and the kiln hood position of cylinder of rotary kiln 6 part returning charge jointly into carrying out in kiln hood ash bucket 4
Effectively collect.
In the above embodiment, it is preferable that refractory material layer 7 along kiln hood side between kiln tail side and horizontal direction
Gradient is 3%-6%, and the thickness of the kiln hood side inside refractory material layer 7 is more than the thickness of kiln tail side, and thickness uniformly increases,
Allow material due to suffered gravity during axial component ensures material overturning burning in cylinder of rotary kiln 6 not
Break and moved to kiln tail direction, while contributing to form by the air-flow rising space of kiln hood to kiln tail direction, peomotes high temperature
Flue gas and toxic gas flow to dual firing chamber 8, avoid kiln hood over-emitting black exhaust and tempering phenomenon, realize incineration system continuous-stable fortune
Row, ensure that the safe and reliable of incineration system.
In the above embodiment, it is preferable that charging gear 1 lower part setting buffering segmental arc, buffering segmental arc to barrel compared with
The direction of high side tilts so that material is not the inclined feed dress in a manner of freely falling body when entering in material-pulling device 2
1 is set so that material forms buffering in dropping process, material is reduced and is entrained in charging ram and spill to the possibility on ground.
In the above embodiment, it is preferable that the port of the kiln hood side of cylinder of rotary kiln 6 is set as closing up.
In this embodiment, the closing in being inwardly formed is set at the port of the kiln hood of cylinder of rotary kiln 6, is reduced by pusher
The material that device 2 enters in cylinder of rotary kiln 6 falls out the possibility of cylinder of rotary kiln 6.
The above is the embodiment of the utility model, it is contemplated that cylinder of rotary kiln inclination in the prior art causes to support
The technical issues of tempering phenomenon, occurs for device and driving device abrasion, and the utility model proposes a kind of dangerous waste incinerations to return
Rotary kiln, by the way that cylinder of rotary kiln is axially horizontal positioned, refractory material layer is arranged in constant slope so that cylinder of rotary kiln is revolving
The supporting arrangement of lower section and the axially loaded of driving device are far below tilting rotary kiln during turning, and improve existing burning system
The case where supporting arrangement of system and driving device excessive wear, cylinder of rotary kiln are not easy to glide along material moving direction.In addition, resistance to
It is contributed to form inside fiery material layer by the air-flow rising space of kiln hood to kiln tail direction, peomotes high-temperature flue gas and toxic
Gas flow dual firing chamber avoids kiln hood over-emitting black exhaust and tempering phenomenon, realizes incineration system continuous and steady operation, ensure that burning
System it is safe and reliable.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of dangerous waste incineration rotary kiln, which is characterized in that including：It is charging gear, material-pulling device, cylinder of rotary kiln, close
Seal apparatus, kiln hood ash bucket, dual firing chamber, supporting arrangement and driving device；
The charging gear is tubular structure, and the material-pulling device includes barrel and pusher, and the pusher is set to
In the barrel, the charging gear is vertically arranged, and one end of the material-pulling device extends into the kiln hood of the cylinder of rotary kiln
In side, the material-pulling device extends into the side in the cylinder of rotary kiln and is higher than the other side, the lower part of the charging gear
It is connected to side wall above the barrel of the material-pulling device；
The cylinder of rotary kiln is tubular structure, and the cylinder of rotary kiln is horizontally disposed in an axial direction, the cylinder of rotary kiln it is interior
Wall fitting setting refractory material layer, thickness of the refractory material layer in an axial direction from kiln tail to kiln hood uniformly increase, the revolution
The kiln tail side of kiln cylinder body is passed through in dual firing chamber；
The opening of the kiln hood ash bucket is undertaken in the lower section of the kiln hood side of the cylinder of rotary kiln, the sealing device respectively at
The outer wall that the cylinder of rotary kiln is close in the kiln hood side and kiln tail side of the cylinder of rotary kiln is sealed, the dual firing chamber
Slag notch is arranged in lower section, and the supporting arrangement supports the cylinder of rotary kiln, the driving dress below the cylinder of rotary kiln
It sets and the cylinder of rotary kiln is driven to be overturn by rotary shaft of axial direction.
2. dangerous waste incineration rotary kiln according to claim 1, which is characterized in that the barrel of the material-pulling device in by
Closely it is provided with grid with the lower wall at charging gear connecting portion rear, the undertaking of the kiln hood ash bucket of the grid and lower section
Opening is correspondingly arranged.
3. dangerous waste incineration rotary kiln according to claim 1, which is characterized in that the refractory material layer is along kiln hood one
Side to the gradient between kiln tail side and horizontal direction is 3%-6%.
4. dangerous waste incineration rotary kiln according to claim 1, which is characterized in that the lower part of the charging gear is arranged
Segmental arc is buffered, the direction of higher side of the buffering segmental arc to the barrel tilts.
5. dangerous waste incineration rotary kiln according to claim 1, which is characterized in that the kiln hood one of the cylinder of rotary kiln
The port of side is set as closing up.
6. dangerous waste incineration rotary kiln according to claim 1, which is characterized in that the pusher of the material-pulling device
Including scraping wings and charging ram, the charging ram is connected on the scraping wings, and the charging ram is hydraulic stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739893.7U CN207702475U (en) | 2017-12-14 | 2017-12-14 | Dangerous waste incineration rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739893.7U CN207702475U (en) | 2017-12-14 | 2017-12-14 | Dangerous waste incineration rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN207702475U true CN207702475U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721739893.7U Active CN207702475U (en) | 2017-12-14 | 2017-12-14 | Dangerous waste incineration rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883383A (en) * | 2017-12-14 | 2018-04-06 | 北京高能时代环境技术股份有限公司 | Dangerous waste incineration rotary kiln |
-
2017
- 2017-12-14 CN CN201721739893.7U patent/CN207702475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883383A (en) * | 2017-12-14 | 2018-04-06 | 北京高能时代环境技术股份有限公司 | Dangerous waste incineration rotary kiln |
| CN107883383B (en) * | 2017-12-14 | 2023-11-28 | 北京高能时代环境技术股份有限公司 | Rotary kiln for incinerating hazardous waste |
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