CN203824267U - Mesh-belt kiln for drying denitration catalysts - Google Patents
Mesh-belt kiln for drying denitration catalysts Download PDFInfo
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- CN203824267U CN203824267U CN201420227458.6U CN201420227458U CN203824267U CN 203824267 U CN203824267 U CN 203824267U CN 201420227458 U CN201420227458 U CN 201420227458U CN 203824267 U CN203824267 U CN 203824267U
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Abstract
The utility model provides a mesh-belt kiln for drying denitration catalysts. The mesh-belt kiln comprises a medium and low temperature section drying kiln set and a high temperature section drying kiln set which are connected in sequence, the medium and low temperature section drying kiln set comprises a first drying kiln and a second drying kiln which are connected in sequence, the high temperature section drying kiln set comprises a third drying kiln and a forth drying kiln which are connected in sequence, a wall separating ring belt is arranged between the adjacent drying kilns, and wall separating ring belt fixing devices are arranged on the wall separating ring belts; the four drying kilns are integrally connected and communicated through the wall separating ring belts; conveying belts are arranged inside the four drying kilns, error correction sliding rail blocks are arranged on the two sides of the conveying belts, and conveying belt error correction rods are arranged on the exteriors of the drying kilns. By means of the mesh-belt kiln, the natural airing link of a traditional drying production line is omitted, the rate of cracking and the like is reduced, what is more important, the consumed time is greatly shortened, and the reliability and the economical efficiency are both improved.
Description
Technical field
The utility model relates to denitrating flue gas field, is specifically related to a kind of mesh-belt kiln for drying denitration catalyst.
Background technology
In recent years, along with the quickening of industrial expansion and urbanization process, in China, the environmental problem that the air quality of take is representative becomes the focus that people are concerned about.How under the controlled prerequisite of cost, effectively to purify air and become one of heat topic of needing badly solution.
Denitrating catalyst, by urge reduction reaction in air reactor, carries out the successful of denitrating flue gas to air.Guipure is the drying plant for catalyst carrier and sintering of catalyst are integrated, prior art is because denitrating catalyst all adopts the mode of extruding, more than need first the semifinished product of extruding being placed to air-dry 24h naturally, afterwards to a certain degree air-dry semifinished product is passed into drying baker official business 48-72h, then after being warming up to 100 ℃, heating up and dry, if not according to above-mentioned fixing flow process, very easily produce catalyst slight crack, increase defect rate.Clearly above-mentioned prior art is not only consuming time, and links all very easily causes the generation of defect rate, and these two factors are all directly associated with cost.
Utility model content
In view of this, the utility model provides a kind of mesh-belt kiln for drying denitration catalyst, comprise the middle low-temperature zone drying kiln group and the high temperature section drying kiln group that connect successively, be provided with partition wall endless belt between adjacent drying kiln, described partition wall endless belt is provided with partition wall endless belt fixture; Described partition wall endless belt is connected as a single entity a plurality of drying kilns and be communicated with; The mesh-belt kiln of described drying denitration catalyst also comprises conveyer belt, and described conveyer belt runs through a plurality of described drying kilns, and the both sides of described conveyer belt are provided with correction slide rail piece, and described drying kiln outside is provided with conveyer belt correction bar.
Described middle low-temperature zone drying kiln group comprises the first drying kiln and the second drying kiln; Described high temperature section drying kiln group comprises the 3rd drying kiln and the 4th drying kiln.
The bottom of described middle low-temperature zone drying kiln group and high temperature section drying kiln group is provided with hott bed, and described hott bed is connected with the body of wall in drying kiln outside described in each; The hott bed of described the first drying kiln and the second drying kiln is electric heating bed, and the hott bed of described the 3rd drying kiln is electricity and/or natural gas hott bed, and the hott bed of described the 4th drying kiln is natural gas hott bed.
Described the first drying kiln is 50～70 ℃ of section drying kilns, and described the second drying kiln is 70～150 ℃ of section drying kilns, and described the 3rd drying kiln is 150～300 ℃ of section drying kilns, and described the 4th drying kiln is 300～450 ℃ of section drying kilns.
The length of described the first drying kiln is less than the length of described the second drying kiln, and the length of described the 3rd drying kiln is greater than the length of described the 4th drying kiln.
The body of wall of described drying kiln is for being provided with hollow type body of wall, and the burner hearth of described hott bed is connected with hollow type body of wall.
Described partition wall endless belt is refractory brick or steel plate partition wall endless belt.
The overall length of described mesh-belt kiln is 40～60m.
The beneficial effect that the utility model produces is: for the mesh-belt kiln of drying denitration catalyst, carrying out 48～72h natural air drying with line in the past then carries out respectively slowly comparing with flash baking at drying baker stage by stage, after the charging of calender calendering formation, directly entering mesh-belt kiln dries, not only reduced the defect rate producing because of phenomenons such as slight cracks, main is reduction greatly consuming time, not only reliable operation, and the time of saving is equivalent to the cost that has reduced production line.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, can more completely understand better the utility model.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof are used for explaining the utility model, does not form to improper restriction of the present utility model, wherein:
Fig. 1 is that the master of a kind of mesh-belt kiln for drying denitration catalyst of the utility model looks schematic diagram;
Fig. 2 is that schematic diagram is looked on a left side for a kind of mesh-belt kiln for drying denitration catalyst of the utility model.
In figure: 1, reactor 2, conveyer belt 3, partition wall endless belt 4, partition wall endless belt fixture 5, conveyer belt correction bar 6, the first drying kiln 7, the second drying kiln 8, hott bed 9, the 3rd drying kiln 10, the 4th drying kiln 11, correction slide rail piece 12, warehouse for finished product.
The specific embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
A kind of mesh-belt kiln for drying denitration catalyst as shown in Figure 1-2, front end is to be soaked complete catalyst tank and directly deliver to the driving-belt 2 that enters mesh-belt kiln dipping in reactor 1 by manipulator, and after drying line completes, qualified products directly pass into the warehouse for finished product 12 of end.Mesh-belt kiln comprises the first drying kiln 6, the second drying kiln 7, the 3rd drying kiln 9 and the 4th drying kiln 10 connecting successively, wherein the first drying kiln 6 and the second drying kiln 7 are middle low-temperature zone drying kiln, the 3rd drying kiln 9 and the 4th drying kiln 10 are high temperature section drying kiln, the first drying kiln is 50～70 ℃ of section drying kilns, the second drying kiln is 70～150 ℃ of section drying kilns, the 3rd drying kiln is 150～300 ℃ of section drying kilns, and the 4th drying kiln is 300～450 ℃ of section drying kilns.Between adjacent drying kiln, be provided with partition wall endless belt 3, partition wall endless belt 3 is provided with partition wall endless belt fixture 4, and as a kind of preferred embodiment, partition wall endless belt 3 is refractory brick or steel plate partition wall endless belt; Partition wall endless belt 3 is connected as a single entity four drying kilns and be communicated with; The inside of four drying kilns is provided with conveyer belt 2, and the both sides of conveyer belt 2 are provided with correction slide rail piece 11, and drying kiln outside is also provided with conveyer belt correction bar 5, and correction conveyer belt correction bar 5 and correction slide rail piece 11 are all applicable to guarantee that conveyer belt transmits at the uniform velocity reliably.
The bottom of drying kiln is provided with hott bed 8, and the burner hearth of hott bed 8 is connected with the hollow type body of wall in each drying kiln outside; Wherein the hott bed of the first drying kiln 6 and the second drying kiln 7 is electric heating bed, and the hott bed of the 3rd drying kiln 9 is electricity and/or natural gas hott bed, and the hott bed of the 4th drying kiln 10 is natural gas hott bed.The overall length of mesh-belt kiln is 40～60m, and for the quality that guarantees to dry, the length of the first drying kiln 6 is less than the length of the second drying kiln 7, and the length of the 3rd drying kiln 9 is greater than the length of the 4th drying kiln 10.
For carrier and sintering of catalyst are integrated, the mould extrusion modling before replacing by calendering technology, directly enters mesh-belt kiln and completes stage by stage the oven dry of 60～450 ℃ (during calendering formation charging, temperature is 60 ℃ of left and right after calendering formation.), removed stage of " naturally placing air-dry ", the time saving while has also been optimized the qualification rate of finished product, and the combination of time and qualification rate controlled cost to a great extent.
As mentioned above; embodiment of the present utility model is explained; obviously, as long as do not depart from fact inventive point of the present utility model and effect, the distortion that will be readily apparent to persons skilled in the art, within being all included in protection domain of the present utility model yet.
Claims (8)
1. for a mesh-belt kiln for drying denitration catalyst, it is characterized in that, comprise the middle low-temperature zone drying kiln group and the high temperature section drying kiln group that connect successively, be provided with partition wall endless belt between adjacent drying kiln, described partition wall endless belt is provided with partition wall endless belt fixture; Described partition wall endless belt is connected as a single entity a plurality of drying kilns and be communicated with; The mesh-belt kiln of described drying denitration catalyst also comprises conveyer belt, and described conveyer belt runs through a plurality of described drying kilns, and the both sides of described conveyer belt are provided with correction slide rail piece, and described drying kiln outside is provided with conveyer belt correction bar.
2. the mesh-belt kiln for drying denitration catalyst as claimed in claim 1, is characterized in that, described middle low-temperature zone drying kiln group comprises the first drying kiln and the second drying kiln; Described high temperature section drying kiln group comprises the 3rd drying kiln and the 4th drying kiln.
3. the mesh-belt kiln for drying denitration catalyst according to claim 2, is characterized in that, the bottom of described middle low-temperature zone drying kiln group and high temperature section drying kiln group is provided with hott bed, and described hott bed is connected with the body of wall in drying kiln outside described in each; The hott bed of described the first drying kiln and the second drying kiln is electric heating bed, and the hott bed of described the 3rd drying kiln is electricity and/or natural gas hott bed, and the hott bed of described the 4th drying kiln is natural gas hott bed.
4. the mesh-belt kiln for drying denitration catalyst according to claim 3, it is characterized in that, described the first drying kiln is 50～70 ℃ of section drying kilns, described the second drying kiln is 70～150 ℃ of section drying kilns, described the 3rd drying kiln is 150～300 ℃ of section drying kilns, and described the 4th drying kiln is 300～450 ℃ of section drying kilns.
5. according to the mesh-belt kiln for drying denitration catalyst described in claim 2-4 any one, it is characterized in that, the length of described the first drying kiln is less than the length of described the second drying kiln, and the length of described the 3rd drying kiln is greater than the length of described the 4th drying kiln.
6. according to the mesh-belt kiln for drying denitration catalyst described in claim 3-4 any one, it is characterized in that, the body of wall of described drying kiln is hollow type body of wall, and the burner hearth of described hott bed is connected with hollow type body of wall.
7. the mesh-belt kiln for drying denitration catalyst according to claim 1, is characterized in that, described partition wall endless belt is refractory brick or steel plate partition wall endless belt.
8. the mesh-belt kiln for drying denitration catalyst according to claim 1, is characterized in that, the overall length of described mesh-belt kiln is 40～60m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227458.6U CN203824267U (en) | 2014-05-05 | 2014-05-05 | Mesh-belt kiln for drying denitration catalysts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227458.6U CN203824267U (en) | 2014-05-05 | 2014-05-05 | Mesh-belt kiln for drying denitration catalysts |
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| Publication Number | Publication Date |
|---|---|
| CN203824267U true CN203824267U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227458.6U Expired - Fee Related CN203824267U (en) | 2014-05-05 | 2014-05-05 | Mesh-belt kiln for drying denitration catalysts |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483367A (en) * | 2015-12-04 | 2016-04-13 | 莱芜钢铁华威工程有限公司 | Mesh-belt kiln for drying dust mud balls |
| CN108151458A (en) * | 2017-12-21 | 2018-06-12 | 重庆田益种子有限公司 | Seed drying device |
| CN116857953A (en) * | 2023-09-05 | 2023-10-10 | 广东中鹏热能科技股份有限公司 | Mesh belt kiln |
-
2014
- 2014-05-05 CN CN201420227458.6U patent/CN203824267U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483367A (en) * | 2015-12-04 | 2016-04-13 | 莱芜钢铁华威工程有限公司 | Mesh-belt kiln for drying dust mud balls |
| CN105483367B (en) * | 2015-12-04 | 2018-01-12 | 莱芜钢铁华威工程有限公司 | A kind of mesh-belt kiln for drying dirt mud ball |
| CN108151458A (en) * | 2017-12-21 | 2018-06-12 | 重庆田益种子有限公司 | Seed drying device |
| CN116857953A (en) * | 2023-09-05 | 2023-10-10 | 广东中鹏热能科技股份有限公司 | Mesh belt kiln |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20140910 Termination date: 20200505 |