CN204421589U - A kind of rotary kiln labyrinth type kiln end sealing device - Google Patents
A kind of rotary kiln labyrinth type kiln end sealing device Download PDFInfo
- Publication number
- CN204421589U CN204421589U CN201420770587.XU CN201420770587U CN204421589U CN 204421589 U CN204421589 U CN 204421589U CN 201420770587 U CN201420770587 U CN 201420770587U CN 204421589 U CN204421589 U CN 204421589U
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- cold wind
- kiln
- rotary kiln
- sectorial sealplate
- air duct
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Abstract
The utility model discloses a kind of rotary kiln labyrinth type kiln end sealing device, comprise cylinder of rotary kiln, the kilneye place of cylinder of rotary kiln is provided with break iron, kiln head cover and cold wind shroud, cold wind shroud right-hand member is horn-like structure and is provided with the first Sectorial sealplate, cold wind shroud is outside equipped with outer air duct drum, the left end of outer air duct drum is welded on the outer wall of kiln head cover, the right-hand member of outer air duct drum is connected with seal closure and is provided with the second Sectorial sealplate, the blowing nozzle of inclination is provided with inside the right-hand member of seal closure, arranged outside has the 3rd Sectorial sealplate, blowing nozzle is towards cold wind shroud right-hand member edge.The utility model structure is simple, without the need to newly increasing with power-equipment, effectively can prevent the dust pollution that rotary kiln running is on-the-spot.
Description
Technical field
The utility model relates to cement and part chemical technology field, particularly relates to a kind of rotary kiln labyrinth type kiln end sealing device.
Background technology
In cement production process, rotary kiln is wherein vital equipment, and rotary kiln in the running, on-the-spot dust pollution is very serious, and kilneye cap iron, cold wind shroud and kilneye section cylindrical shell easily at high temperature damage, my company according to the installation experience of rotary kiln for many years and the on-the-spot and maintenance in conjunction with actual production, use and find, a lot of cement production enterprise is administered successively all pass through at the blown sands material of kiln hood sealing place and is optimized and upgrading, but does not all have good effect.
Utility model content
The purpose of this utility model is just to provide a kind of rotary kiln labyrinth type kiln end sealing device to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of rotary kiln labyrinth type kiln end sealing device, comprise cylinder of rotary kiln, the kilneye place of described cylinder of rotary kiln is provided with break iron, kiln head cover and cold wind shroud, there is gap between described cold wind shroud and described kiln head cover and also and between described cylinder of rotary kiln form internal layer seal channel, the left end of described cold wind shroud insert described break iron recess and and there is gap between described break iron, described cold wind shroud right-hand member is horn-like structure and is provided with the first Sectorial sealplate, described cold wind shroud is outside equipped with outer air duct drum, the left end of described outer air duct drum is welded on the outer wall of described kiln head cover, the right-hand member of described outer air duct drum is connected with seal closure and is provided with the second Sectorial sealplate, gap is there is between described first Sectorial sealplate and described seal closure inwall, gap is there is between described second Sectorial sealplate and described cold wind shroud outer wall, the blowing nozzle of inclination is provided with inside the right-hand member of described seal closure, arranged outside has the 3rd Sectorial sealplate, described blowing nozzle is towards described cold wind shroud right-hand member edge, gap is there is between described 3rd Sectorial sealplate and described cylinder of rotary kiln, described kiln head cover, described outer air duct drum, the first labyrinth seal air channel is formed between described second Sectorial sealplate and described cold wind shroud, described first Sectorial sealplate, described second Sectorial sealplate, the second labyrinth seal air channel is formed between described seal closure and described cold wind shroud, described outer air duct drum is provided with the discharge gate communicated with described first labyrinth seal air channel.
Preferably, step structure is formed between described outer air duct drum and described seal closure.
Preferably, angle formed by described blowing nozzle and horizontal plane is 15 °.
Preferably, the right side of described 3rd Sectorial sealplate is provided with tapering plate.
Preferably, between described second Sectorial sealplate with described outer air duct drum, between described seal closure with described outer air duct drum, described 3rd Sectorial sealplate is all connected by hex bolts with between described seal closure, and described first Sectorial sealplate is welded on the flare of described cold wind shroud right-hand member.
The beneficial effects of the utility model are:
The utility model structure is simple, without the need to newly increasing with power-equipment, effectively can prevent the dust pollution that rotary kiln running is on-the-spot, and can cool to the break iron at kilneye place, cold wind shroud and kilneye section cylindrical shell.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotary kiln labyrinth type kiln end sealing device described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises cylinder of rotary kiln 12, the kilneye place of cylinder of rotary kiln 12 is provided with break iron 11, kiln head cover 9 and cold wind shroud 10, there is gap between cold wind shroud 10 and kiln head cover 9 and also and between cylinder of rotary kiln 12 form internal layer seal channel 16, this internal layer seal channel 16 is conducive to the break iron 11 to kilneye, the cooling of cold wind shroud 10 and kilneye section cylindrical shell, also and between break iron 11 there is gap in the recess of the left end insertion break iron 11 of cold wind shroud 10, cold wind shroud 10 right-hand member is horn-like structure and is provided with the first Sectorial sealplate 5, cold wind shroud 10 is outside equipped with outer air duct drum 8, the left end of outer air duct drum 8 is welded on the outer wall of kiln head cover 9, the right-hand member of outer air duct drum 8 is connected with seal closure 4 and is provided with the second Sectorial sealplate 7, gap is there is between first Sectorial sealplate 5 and seal closure 4 inwall, gap is there is between second Sectorial sealplate 7 and cold wind shroud 10 outer wall, the blowing nozzle 3 of inclination is provided with inside the right-hand member of seal closure 4, arranged outside has the 3rd Sectorial sealplate 2, blowing nozzle 3 is towards cold wind shroud 10 right-hand member edge, gap is there is between 3rd Sectorial sealplate 2 and cylinder of rotary kiln 12, kiln head cover 9, outer air duct drum 8, the first labyrinth seal air channel 14 is formed between second Sectorial sealplate 7 and cold wind shroud 10, first Sectorial sealplate 5, second Sectorial sealplate 7, the second labyrinth seal air channel 15 is formed between seal closure 4 and cold wind shroud 10, outer air duct drum 8 is provided with the discharge gate 13. communicated with the first labyrinth seal air channel 14
In the present embodiment, between outer air duct drum 8 and seal closure 4, form step structure, be convenient to install.Blowing nozzle 3 is 15 ° with angle α formed by horizontal plane, so that wind direction can blow to internal layer seal channel 16, first labyrinth seal air channel 14 and the second labyrinth seal air channel 15 simultaneously.The whole circumference of internal layer seal channel 16 360 ° all has uninterrupted cold wind to cool returning loading of kiln kilneye cap iron 11, cold wind shroud 10 and kilneye section cylindrical shell, original structure only arranges cold wind within the scope of lower circumference 180 °, and the improvement of this structure is not mentioned in detail in the claims.The right side of the 3rd Sectorial sealplate 2 is provided with tapering plate 1, between second Sectorial sealplate 7 with outer air duct drum 8, between seal closure 4 with outer air duct drum 8, the 3rd Sectorial sealplate 2 is all connected by hex bolts 6 with between seal closure 4, and the first Sectorial sealplate 5 is welded on the flare of cold wind shroud 10 right-hand member.
The operation principle of rotary kiln labyrinth type kiln end sealing device described in the utility model is as follows:
Whole sealing mechanism works under a kind of state of forcing obstruct and air sac sealing.According to the equipment utilization of different kiln body and the original kiln hood seal fan air quantity of improvement and blast, blast after improvement, is made to reach a reasonable duty.All working flow process is as shown in the direction of arrow in Fig. 1: when producing malleation by a suitable air pressure air-flow to kilneye and carry out persistent compacting from the blown sands material of kilneye itself and seal and cleaning work, air quantity blows out from blowing nozzle 3, by internal layer sealing air flue 16 and the second labyrinth seal air channel 15, blown sands material mainly a large amount of for kilneye cap iron 11 place to be compressed in the first labyrinth seal air channel 14 and to be expelled to grate-cooler from discharge gate 13, air quantity stronger is together also had by the remaining blown sands material cleaning sealing of the second labyrinth seal air channel 15 by the first labyrinth seal air channel 14 while working therewith, 3rd Sectorial sealplate 2 and superincumbent tapering plate 1 is set for last one outer seal ring, its work is the loss of minimizing air quantity and stops slight airborne dust, to reach optimal seal effect.
Electricity consumption power-equipment is not newly increased after the transformation of this water-tight equipment, a kind of Anti-air-leakage, material leak-proof flexible seal device to rotary kiln end after transformation, follow the tracks of and the evaluation of worker at the production line through our transformed several companies scenes, the stability of the total advance to its technical performance of owner, reliability, operation makes an affirmation, and is the environmental protection high-tech new products that the current most of China is worth actively advocating popularization.This technology and product successful Application, at multiple cement production enterprise, achieve good social benefit and environmental protection income for transforming user.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included in protection domain of the present utility model.
Claims (5)
1. a rotary kiln labyrinth type kiln end sealing device, comprise cylinder of rotary kiln, the kilneye place of described cylinder of rotary kiln is provided with break iron, kiln head cover and cold wind shroud, there is gap between described cold wind shroud and described kiln head cover and also and between described cylinder of rotary kiln form internal layer seal channel, the left end of described cold wind shroud insert described break iron recess and and there is gap between described break iron, it is characterized in that: described cold wind shroud right-hand member is horn-like structure and is provided with the first Sectorial sealplate, described cold wind shroud is outside equipped with outer air duct drum, the left end of described outer air duct drum is welded on the outer wall of described kiln head cover, the right-hand member of described outer air duct drum is connected with seal closure and is provided with the second Sectorial sealplate, gap is there is between described first Sectorial sealplate and described seal closure inwall, gap is there is between described second Sectorial sealplate and described cold wind shroud outer wall, the blowing nozzle of inclination is provided with inside the right-hand member of described seal closure, arranged outside has the 3rd Sectorial sealplate, described blowing nozzle is towards described cold wind shroud right-hand member edge, gap is there is between described 3rd Sectorial sealplate and described cylinder of rotary kiln, described kiln head cover, described outer air duct drum, the first labyrinth seal air channel is formed between described second Sectorial sealplate and described cold wind shroud, described first Sectorial sealplate, described second Sectorial sealplate, the second labyrinth seal air channel is formed between described seal closure and described cold wind shroud, described outer air duct drum is provided with the discharge gate communicated with described first labyrinth seal air channel.
2. rotary kiln labyrinth type kiln end sealing device according to claim 1, is characterized in that: form step structure between described outer air duct drum and described seal closure.
3. rotary kiln labyrinth type kiln end sealing device according to claim 1, is characterized in that: formed by described blowing nozzle and horizontal plane, angle is 15 °.
4. rotary kiln labyrinth type kiln end sealing device according to claim 1, is characterized in that: the right side of described 3rd Sectorial sealplate is provided with tapering plate.
5. rotary kiln labyrinth type kiln end sealing device according to claim 1, it is characterized in that: between described second Sectorial sealplate with described outer air duct drum, between described seal closure with described outer air duct drum, described 3rd Sectorial sealplate is all connected by hex bolts with between described seal closure, and described first Sectorial sealplate is welded on the flare of described cold wind shroud right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770587.XU CN204421589U (en) | 2014-12-09 | 2014-12-09 | A kind of rotary kiln labyrinth type kiln end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770587.XU CN204421589U (en) | 2014-12-09 | 2014-12-09 | A kind of rotary kiln labyrinth type kiln end sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN204421589U true CN204421589U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420770587.XU Expired - Fee Related CN204421589U (en) | 2014-12-09 | 2014-12-09 | A kind of rotary kiln labyrinth type kiln end sealing device |
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| Country | Link |
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| CN (1) | CN204421589U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841141A (en) * | 2016-04-08 | 2016-08-10 | 国网山东省电力公司电力科学研究院 | Operation evaluation method for additional inlet air of tangential firing tilting nozzles |
| CN107345761A (en) * | 2017-09-07 | 2017-11-14 | 四川峨胜水泥集团股份有限公司 | Rotary kiln end sealing structure |
| CN110425868A (en) * | 2019-08-30 | 2019-11-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of rotary kiln Secondary Air air supply device |
-
2014
- 2014-12-09 CN CN201420770587.XU patent/CN204421589U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841141A (en) * | 2016-04-08 | 2016-08-10 | 国网山东省电力公司电力科学研究院 | Operation evaluation method for additional inlet air of tangential firing tilting nozzles |
| CN107345761A (en) * | 2017-09-07 | 2017-11-14 | 四川峨胜水泥集团股份有限公司 | Rotary kiln end sealing structure |
| CN107345761B (en) * | 2017-09-07 | 2023-06-13 | 四川峨胜水泥集团股份有限公司 | Kiln head sealing structure of rotary kiln |
| CN110425868A (en) * | 2019-08-30 | 2019-11-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of rotary kiln Secondary Air air supply device |
| CN110425868B (en) * | 2019-08-30 | 2024-03-19 | 中冶焦耐(大连)工程技术有限公司 | Secondary air supply device of rotary kiln |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20181209 |