CN207991233U - A kind of internal heat type rotary kiln with pre- hot function - Google Patents
A kind of internal heat type rotary kiln with pre- hot function Download PDFInfo
- Publication number
- CN207991233U CN207991233U CN201721277214.9U CN201721277214U CN207991233U CN 207991233 U CN207991233 U CN 207991233U CN 201721277214 U CN201721277214 U CN 201721277214U CN 207991233 U CN207991233 U CN 207991233U
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- China
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- kiln
- rotary kiln
- reducer
- rotary
- wall
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Abstract
The utility model provides a kind of internal heat type rotary kiln with pre- hot function, including kiln hood, rotary kiln kiln body, kiln tail, pedestal, supporting rack, transmission device and lifting blade, kiln hood, rotary kiln kiln body and kiln tail are sequentially connected, rotary kiln kiln body is connect by supporting rack with pedestal, transmission device is set on the base, rotary kiln kiln body is disposed with the first reducer and the second reducer at kiln tail, lifting blade is arranged on the inner wall of the first reducer and the second reducer, it is provided with the baffle extended downwardly on rotary kiln kiln body top inner wall between first reducer and the second reducer, rotary kiln kiln body is internally provided with inner cylinder at kiln hood, annular heat exchange layer is formed between inner cylinder and the inner wall of rotary kiln kiln body and is filled with heat storage；Rotary kiln kiln body is provided with refractory brick along its inner wall, and thermal insulation layer is provided between the inner wall and refractory brick of rotary kiln kiln body.The utility model has the beneficial effects that the requirement of pre- heat demand and oxygen content can be met, improve heat insulation and preservation effect.
Description
Technical field
The utility model is related to rotary kiln devices, more particularly, to a kind of internal heat type rotary kiln with pre- hot function.
Background technology
Rotary kiln refers to rotary calcining kiln (being commonly called as rotary kiln), belongs to building equipment class.Turn round firing chamber's cement burning and metallurgy
One of necessaries in chemical field are used to heat material, to realize calcining and roasting effect.Current revolution
Kiln is all using preheater outside kiln to the preheating of material, and the cost of investment of this preheater is high and need to often safeguard, and existing
Rotary kiln is difficult to ensure good heat insulation, and is difficult to meet the requirement of oxygen content in calcining and roasting process.
Invention content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of internal heat type with pre- hot function time
Rotary kiln disclosure satisfy that pre- heat demand, improve heat insulation and preservation effect, and it is more abundant to burn.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of interior heat with pre- hot function
Formula rotary kiln, including kiln hood, rotary kiln kiln body, kiln tail, pedestal, supporting rack, transmission device and lifting blade, it is the kiln hood, described
Rotary kiln kiln body and the kiln tail are sequentially connected, and the rotary kiln kiln body is connect by support frame as described above with the pedestal, described
Transmission device is arranged on the base, and the rotary kiln kiln body is disposed with the first reducer and the at the kiln tail
Two reducers, the lifting blade are arranged on the inner wall of first reducer and second reducer, first reducing
It is provided with the baffle extended downwardly, the rotary kiln on rotary kiln kiln body top inner wall between section and second reducer
Body is internally provided with inner cylinder at the kiln hood, and annular heat exchange is formed between the inner cylinder and the inner wall of the rotary kiln kiln body
Layer, the annular heat exchange layer is interior to be filled with heat storage；Its inner wall is provided with refractory brick inside the rotary kiln body, described time
Thermal insulation layer is provided between the inner wall of rotary kiln kiln body and the refractory brick, the thermal insulation layer includes heat-insulated steel plate and heat-insulated painting
Layer, for the heat insulating coat even application on the heat-insulated steel plate, the length of the baffle is greater than or equal to the rotary kiln
The a quarter of body diameter and less than or equal to the rotary kiln kiln body diameter 3/4ths.
Further, 0.5-3 meters of second reducer and the kiln tail distance, first reducer and described second
Distance is 1-3 meters between reducer.
Further, the rotary kiln kiln body angle with horizontal plane is 5-30 °.
Further, the kiln hood and the kiln tail are both provided with sealing ring.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, pass through two sections of reducers
Preheater outside kiln is replaced with the structure of baffle, increases material in the preheating time of rotary kiln, is the preheating of material high-efficiency, meet
Pre- heat demand；Multistory steel structure makes rotary kiln during the work time, and internal temperature can be effectively controlled rotary kiln
Internal portion causes material in rotary kiln so that rotary kiln is significantly improved for the heat insulation effect of its materials inside is proud
Calcining or the processing effect of roasting be improved；By heat exchange appropriate, exhaust temperature can be effectively reduced and improved and helped
Air themperature is fired, advantageously reduces fuel consumption, and increase the ratio of combustion air, is met in calcining and roasting process to oxygen
The requirement of content, burning are more abundant；And have the advantages that maintenance rate is low, pre-heat effect is good, production cost is low etc..
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model internal structure schematic diagram.
In figure：
1, kiln hood 2, rotary kiln kiln body 3, kiln tail
4, pedestal 5, supporting rack 6, transmission device
7, lifting version 8, the first reducer 9, the second reducer
10, baffle 11, inner cylinder 12, annular heat exchange layer
13, heat storage 14, inner wall 15, refractory brick
16, thermal insulation layer 161, heat-insulated steel plate 162, heat insulating coat
Specific implementation mode
The utility model is described further with reference to embodiment and attached drawing.
As depicted in figs. 1 and 2, the present embodiment provides a kind of internal heat type rotary kiln with pre- hot function, including kiln hood 1,
Rotary kiln kiln body 2, kiln tail 3, pedestal 4, supporting rack 5, transmission device 6 and lifting blade 7, kiln hood 1, rotary kiln kiln body 2 and kiln tail 3 according to
Secondary connection, rotary kiln kiln body 2 are connect by supporting rack 5 with pedestal 4, and transmission device 6 is arranged on pedestal 4, rotary kiln kiln body 2
The first reducer 8 and the second reducer 9 are disposed at kiln tail 3, lifting blade 7 is arranged in the first reducer 8 and second
On the inner wall of reducer 9, be provided on the 2 top inner wall of rotary kiln kiln body between the first reducer 8 and the second reducer 9 to
The baffle 10 of lower extension, rotary kiln kiln body 2 are internally provided with inner cylinder 11 at kiln hood 1, inner cylinder 11 and rotary kiln kiln body 2 it is interior
Annular heat exchange layer 12 is formed between wall 14, and heat storage 13 is filled in annular heat exchange layer 12；Along its inner wall inside rotary kiln kiln body 2
14 are provided with refractory brick 15, are provided with thermal insulation layer 16 between the inner wall 14 and refractory brick 15 of rotary kiln kiln body 2, thermal insulation layer 16 includes
There are heat-insulated steel plate 161 and heat insulating coat 162,162 even application of heat insulating coat is on heat-insulated steel plate 161.
The length of baffle 10 is greater than or equal to a quarter of 2 diameter of rotary kiln kiln body and is less than or equal to rotary kiln kiln body
3/4ths of 2 diameters.
0.5-3 meters of second reducer 9 and 3 distance of kiln tail, distance is 1-3 between the first reducer 8 and the second reducer 9
Rice.
2 angle with horizontal plane of rotary kiln kiln body is 5-30 °.
Kiln hood 1 and kiln tail 3 are both provided with sealing ring.
The course of work of this example：Material enters rotary kiln kiln body 2 by kiln tail 3, and material is room temperature, since kiln tail 3 arrives
The distance of second reducer 9 is shorter, and when material is sent to the second reducer 9, temperature of charge could not reach calcining or roasting
Required temperature, it is necessary to be preheated.At the second reducer 9, material is taken up with the rotation of the second reducer 9, object
Material is taken to the top of the second reducer 9 by lifting blade 7 simultaneously, such material will constantly be raised, fall repeatedly with heat
Gas carries out heat exchange, and under the action of baffle 10, material falls on the bottom of the first reducer 8, and material is continuous by lifting blade 7 at this time
Ground takes up, and adequately carries out heat exchange with thermal current again, after the temperature for reaching required, flows out the first reducer 8
Material continuation run forward, continue to preheat, when material runs to burning zone, the temperature of material has also just reached needed for calcining
Temperature, calcine the material being over finally from kiln hood 1 be discharged；In use, combustion air is added near kiln hood 1, rotary kiln
The flue gas that 2 inside of body generates makes in the annular heat exchange layer 12 between inner cylinder 11 and the inner wall of rotary kiln kiln body 2 14 filled with storage
Hot body 13 heats.Combustion air exchanges heat by heat storage 13, and the combustion air after heat exchange is transported to rotary kiln kiln body 2,
Increase oxygen content and keeps burning more abundant.
Pass through the refractory brick 15, heat insulating coat 162 and heat-insulated steel plate 161 set gradually so that rotary kiln is worked
Cheng Zhong, internal temperature can effectively control inside rotary kiln kiln body 2, so that rotary kiln is for its materials inside
Heat insulation effect is proud to be significantly improved, and the processing effect of calcining or roasting of the material in rotary kiln is caused to be improved.
The utility model has the beneficial effects that：Due to the adoption of the above technical scheme, pass through the knot of two sections of reducers and baffle
Structure replaces the outer preheater of kiln, increases material in the preheating time of rotary kiln, is the preheating of material high-efficiency, meets pre- heat demand；
Multistory steel structure makes rotary kiln during the work time, and internal temperature can be effectively controlled inside rotary kiln body, from
And so that rotary kiln is significantly improved for the heat insulation effect of its materials inside is proud, causes calcining or roasting of the material in rotary kiln
The processing effect of burning is improved；By heat exchange appropriate, exhaust temperature can be effectively reduced and improve combustion air temperature,
Fuel consumption is advantageously reduced, and increases the ratio of combustion air, meets the requirement to oxygen content in calcining and roasting process,
Burning is more abundant；And have the advantages that maintenance rate is low, pre-heat effect is good, production cost is low etc..
One or more embodiments of the utility model are described in detail above, but the content is only this practicality
Novel preferred embodiment, should not be considered as limiting the scope of the present invention.It is all according to present utility model application model
All the changes and improvements made by enclosing etc. should all still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of internal heat type rotary kiln with pre- hot function, it is characterised in that：Including kiln hood, rotary kiln kiln body, kiln tail, bottom
Seat, supporting rack, transmission device and lifting blade, the kiln hood, the rotary kiln kiln body and the kiln tail are sequentially connected, the revolution
Kiln kiln body is connect by support frame as described above with the pedestal, and the transmission device is arranged on the base, the rotary kiln
Body is disposed with the first reducer and the second reducer at the kiln tail, and the lifting blade is arranged in first reducing
On the inner wall of section and second reducer, the rotary kiln kiln body top between first reducer and second reducer
The baffle extended downwardly is provided on inner wall, the rotary kiln kiln body is internally provided with inner cylinder at the kiln hood, described interior
Annular heat exchange layer is formed between cylinder and the inner wall of the rotary kiln kiln body, and heat storage is filled in the annular heat exchange layer；It is described
Its inner wall is provided with refractory brick inside rotary kiln body, is provided between the inner wall and the refractory brick of the rotary kiln kiln body
Thermal insulation layer, the thermal insulation layer include heat-insulated steel plate and heat insulating coat, and the heat insulating coat even application is in the thermal insulating steel
On plate, the length of the baffle is greater than or equal to a quarter of the rotary kiln kiln body diameter and is less than or equal to the revolution
3/4ths of kiln kiln body diameter.
2. the internal heat type rotary kiln according to claim 1 with pre- hot function, it is characterised in that：Second reducer
With 0.5-3 meters of the kiln tail distance, distance is 1-3 meters between first reducer and second reducer.
3. the internal heat type rotary kiln according to claim 1 with pre- hot function, it is characterised in that：The rotary kiln kiln body
Angle with horizontal plane is 5-30 °.
4. the internal heat type rotary kiln according to claim 1 with pre- hot function, it is characterised in that：The kiln hood and described
Kiln tail is both provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277214.9U CN207991233U (en) | 2017-09-30 | 2017-09-30 | A kind of internal heat type rotary kiln with pre- hot function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277214.9U CN207991233U (en) | 2017-09-30 | 2017-09-30 | A kind of internal heat type rotary kiln with pre- hot function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991233U true CN207991233U (en) | 2018-10-19 |
Family
ID=63804364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277214.9U Expired - Fee Related CN207991233U (en) | 2017-09-30 | 2017-09-30 | A kind of internal heat type rotary kiln with pre- hot function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207991233U (en) |
-
2017
- 2017-09-30 CN CN201721277214.9U patent/CN207991233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190930 |