CN203964633U - A kind of cement is prepared rotary kiln - Google Patents
A kind of cement is prepared rotary kiln Download PDFInfo
- Publication number
- CN203964633U CN203964633U CN201420423861.6U CN201420423861U CN203964633U CN 203964633 U CN203964633 U CN 203964633U CN 201420423861 U CN201420423861 U CN 201420423861U CN 203964633 U CN203964633 U CN 203964633U
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- CN
- China
- Prior art keywords
- kiln
- cylindrical shell
- heat exchange
- rotary kiln
- cement
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to rotary kiln field, relates in particular to a kind of cement and prepares rotary kiln, comprising: cylindrical shell, on its kiln tail sidewall, be provided with charging aperture, and kiln hood end is provided with discharging opening; Transmission device, it comprises motor and reductor, motor is connected with the kiln tail of cylindrical shell by reductor; Wherein, in cylindrical shell, be provided with nsp kiln and calcining furnace, nsp kiln comprises burning portion and heat exchange portion, burning portion ring is located on the inwall of nsp kiln, and fuel is placed in burning portion, and burning portion is established and formed by steel plate and cylinder inboard wall ring, on steel plate, offer a plurality of through holes, the size of through hole to allow heated air to arrange by the mode that does not allow fuel to pass through simultaneously, and the cylindrical space that steel plate surrounds is heat exchange portion, and material enters in heat exchange portion by the charging aperture of cylindrical shell.The utility model, by changing the link position of motor and cylinder of rotary kiln, has reduced to take up room; The heat exchange efficiency that has improved material and high-temperature gas in nsp kiln and calcining furnace, has reduced production cost.
Description
Technical field
The utility model relates to rotary kiln field, relates in particular to a kind of cement and prepares rotary kiln.
Background technology
In many production industries such as building materials, metallurgy, chemical industry, environmental protection, use widely rotary kiln to carry out machinery, physical or chemical treatment to solid material.Current rotary kiln is generally the endfeed from kiln, other end discharging, and material relies on the gradient of rotary kiln and the rotation of kiln to travel forward in kiln.The motor that present driving rotary kiln rotates is arranged on the middle part of cylinder of rotary kiln conventionally, take larger space, and the preheating of material when preheating is insufficient, and then affects next step calcining, need to consume more fuel, and cost is higher.
Utility model content
For above-mentioned technical problem, the utility model has been designed and developed a kind of cement and has been prepared rotary kiln, and object is to change the link position of motor and cylinder of rotary kiln, reduces to take up room; In raising nsp kiln and calcining furnace, the heat exchange efficiency of material and high-temperature gas, reduces production costs.
The technical scheme that the utility model provides is:
Cement is prepared a rotary kiln, comprising:
Cylindrical shell, it is installed on the ground by fixture, on the kiln tail sidewall of described cylindrical shell, is provided with charging aperture, and the kiln hood end of described cylindrical shell is provided with discharging opening;
Transmission device, it comprises motor and reductor, described motor is connected with the kiln tail of described cylindrical shell by reductor;
Wherein, in described cylindrical shell, be provided with nsp kiln and calcining furnace, described nsp kiln comprises burning portion and heat exchange portion, described burning portion ring is located on the inwall of described nsp kiln, fuel is placed in described burning portion, described burning portion is established and is formed by steel plate and described cylinder inboard wall ring, on described steel plate, offer a plurality of through holes, the size of described through hole to allow heated air to arrange by the mode that does not allow fuel to pass through simultaneously, in described burning portion, a plurality of air blasts are also installed, the cylindrical space that described steel plate surrounds is described heat exchange portion, the charging aperture of material by described cylindrical shell enters in described heat exchange portion.
Preferably, described cement is prepared in rotary kiln, in described calcining furnace, be provided with stair-stepping material dispatch tube, and the position of the entrance point of described stair-stepping material dispatch tube is not higher than the position of the described heat exchange portion port of export, but the position higher than the port of export of material dispatch tube, space between material dispatch tube and cylinder inboard wall is fuel gas channel, and the material that the high-temperature gas that the fuel chambers being connected with described cylindrical shell kiln hood end produces enters in described fuel gas channel and material dispatch tube under the effect of air blast carries out exchange heat.
Preferably, described cement is prepared in rotary kiln, described stair-stepping material dispatch tube is set to two groups, and the position of two groups of stair-stepping material dispatch tube entrance points is not all higher than the position of the described heat exchange portion port of export, and be connected with the port of export of described heat exchange portion by tube connector, between two groups of stair-stepping material dispatch tubes, be reserved with space, the high-temperature gas that described space allows fuel chambers to produce passes through.
Preferably, described cement is prepared in rotary kiln, and the kiln tail end of described cylindrical shell is provided with adpting flange, and described reductor is connected with described cylindrical shell by described adpting flange.
Preferably, described cement is prepared in rotary kiln, and described fixture comprises the wheel band being set on described cylindrical shell and is supported on described support roller of taking turns with both sides.
Cement described in the utility model is prepared in rotary kiln, described motor and reductor are arranged on the kiln tail end of described cylindrical shell, and charging aperture is opened on the kiln tail sidewall of described cylindrical shell, both reduced taking up room of transmission device, do not affect again normal material and enter.The burning portion of described nsp kiln is established and is formed by steel plate and described cylinder inboard wall ring, and fuel is placed in one, and material is in the heat exchange portion being surrounded by fuel surrounding, is conducive to the abundant heat exchange of high-temperature steam that produces with fuel, has improved heat exchange efficiency.And two groups of stair-stepping material dispatch tubes that arrange in described calcining furnace, further improved the potential energy difference in material transport process on the one hand, be conducive to the smooth delivery of power of material, two groups of materials separately transmit on the other hand, more abundant with contacting of high-temperature gas, heat transfer effect is better.
Accompanying drawing explanation
Fig. 1 is the axial section schematic diagram that cement described in the utility model is prepared rotary kiln;
Fig. 2 is the radial section schematic diagram that cement described in the utility model is prepared rotary kiln.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As depicted in figs. 1 and 2, the utility model provides a kind of cement to prepare rotary kiln, comprising:
Cylindrical shell 1, it is installed on the ground by fixture 4, and kiln tail end is higher than kiln hood end, on the kiln tail sidewall of described cylindrical shell, is provided with charging aperture 5, and the kiln hood end of described cylindrical shell is provided with discharging opening;
Transmission device, it comprises motor 2 and reductor 3, described motor is connected with the kiln tail of described cylindrical shell by reductor;
Wherein, in described cylindrical shell, be provided with nsp kiln 6 and calcining furnace 7, described nsp kiln comprises burning portion 8 and heat exchange portion 9, described burning portion ring is located on the inwall of described nsp kiln, fuel 10 is placed in described burning portion, described burning portion is established and is formed by steel plate and described cylinder inboard wall ring, on described steel plate, offer a plurality of through holes 11, the size of described through hole to allow heated air to arrange by the mode that does not allow fuel to pass through simultaneously, in described burning portion, a plurality of air blasts 12 are also installed, so that the high-temperature gas smooth delivery of power that fuel combustion is produced is to heat exchange portion, the cylindrical space that described steel plate surrounds is described heat exchange portion, the charging aperture of material by described cylindrical shell enters in described heat exchange portion, because burning portion encircles the surrounding that is located at heat exchange portion, under the effect of air blast, the high-temperature gas that fuel combustion produces enters from all quarter in heat exchange portion and carries out directly contacting fully with material, owing to not needing medium transferring heat, thereby heat exchange efficiency is higher.
Described cement is prepared in rotary kiln, in described calcining furnace, be provided with stair-stepping material dispatch tube 13, and the position of the entrance point of described stair-stepping material dispatch tube is not higher than the position of the described heat exchange portion port of export, but the position higher than the port of export of material dispatch tube, so that material can enter smoothly in material dispatch tube from the heat exchange portion of nsp kiln, can export smoothly from material dispatch tube again; Space between material dispatch tube and cylinder inboard wall is fuel gas channel 14, and the material that the high-temperature gas that the fuel chambers 15 being connected with described cylindrical shell kiln hood end produces enters in described fuel gas channel and material dispatch tube under the effect of air blast carries out exchange heat.
Described cement is prepared in rotary kiln, described stair-stepping material dispatch tube is set to two groups, in order to avoid material is excessively piled up, inner material can not fully contact with high-temperature gas, calcining not exclusively, and the position of two groups of stair-stepping material dispatch tube entrance points is not all higher than the position of the described heat exchange portion port of export, be arranged in parallel one on the other, and be connected with the port of export of described heat exchange portion by tube connector 16, between two groups of stair-stepping material dispatch tubes, be reserved with space, the high-temperature gas that described space allows fuel chambers to produce passes through.
Described cement is prepared in rotary kiln, and the kiln tail end of described cylindrical shell is provided with adpting flange 17, and described reductor is connected with described cylindrical shell by described adpting flange.
Described cement is prepared in rotary kiln, and described fixture comprises the wheel that is set on described cylindrical shell with 18 and is supported on described support roller 19 of taking turns with both sides.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in description and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (5)
1. cement is prepared a rotary kiln, it is characterized in that, comprising:
Cylindrical shell, it is installed on the ground by fixture, on the kiln tail sidewall of described cylindrical shell, is provided with charging aperture, and the kiln hood end of described cylindrical shell is provided with discharging opening;
Transmission device, it comprises motor and reductor, described motor is connected with the kiln tail of described cylindrical shell by reductor;
Wherein, in described cylindrical shell, be provided with nsp kiln and calcining furnace, described nsp kiln comprises burning portion and heat exchange portion, described burning portion ring is located on the inwall of described nsp kiln, fuel is placed in described burning portion, described burning portion is established and is formed by steel plate and described cylinder inboard wall ring, on described steel plate, offer a plurality of through holes, the size of described through hole to allow heated air to arrange by the mode that does not allow fuel to pass through simultaneously, in described burning portion, a plurality of air blasts are also installed, the cylindrical space that described steel plate surrounds is described heat exchange portion, the charging aperture of material by described cylindrical shell enters in described heat exchange portion.
2. cement as claimed in claim 1 is prepared rotary kiln, it is characterized in that, in described calcining furnace, be provided with stair-stepping material dispatch tube, and the position of the entrance point of described stair-stepping material dispatch tube is not higher than the position of the described heat exchange portion port of export, but the position higher than the port of export of material dispatch tube, space between material dispatch tube and cylinder inboard wall is fuel gas channel, and the material that the high-temperature gas that the fuel chambers being connected with described cylindrical shell kiln hood end produces enters in described fuel gas channel and material dispatch tube under the effect of air blast carries out exchange heat.
3. cement as claimed in claim 2 is prepared rotary kiln, it is characterized in that, described stair-stepping material dispatch tube is set to two groups, and the position of two groups of stair-stepping material dispatch tube entrance points is not all higher than the position of the described heat exchange portion port of export, and be connected with the port of export of described heat exchange portion by tube connector, between two groups of stair-stepping material dispatch tubes, be reserved with space, the high-temperature gas that described space allows fuel chambers to produce passes through.
4. cement as claimed in claim 1 is prepared rotary kiln, it is characterized in that, the kiln tail end of described cylindrical shell is provided with adpting flange, and described reductor is connected with described cylindrical shell by described adpting flange.
5. cement as claimed in claim 1 is prepared rotary kiln, it is characterized in that, described fixture comprises the wheel band being set on described cylindrical shell and is supported on described support roller of taking turns with both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423861.6U CN203964633U (en) | 2014-07-30 | 2014-07-30 | A kind of cement is prepared rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423861.6U CN203964633U (en) | 2014-07-30 | 2014-07-30 | A kind of cement is prepared rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964633U true CN203964633U (en) | 2014-11-26 |
Family
ID=51925206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420423861.6U Expired - Fee Related CN203964633U (en) | 2014-07-30 | 2014-07-30 | A kind of cement is prepared rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121771A (en) * | 2014-07-30 | 2014-10-29 | 梁均全 | Rotary kiln for cement manufacturing |
-
2014
- 2014-07-30 CN CN201420423861.6U patent/CN203964633U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121771A (en) * | 2014-07-30 | 2014-10-29 | 梁均全 | Rotary kiln for cement manufacturing |
| CN104121771B (en) * | 2014-07-30 | 2016-01-20 | 梁均全 | Rotary kiln prepared by a kind of cement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150730 |
|
| EXPY | Termination of patent right or utility model |