CN204358717U - A kind of coal powder lance with prefabricated high-temperature-resistant structure - Google Patents
A kind of coal powder lance with prefabricated high-temperature-resistant structure Download PDFInfo
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- CN204358717U CN204358717U CN201420871892.8U CN201420871892U CN204358717U CN 204358717 U CN204358717 U CN 204358717U CN 201420871892 U CN201420871892 U CN 201420871892U CN 204358717 U CN204358717 U CN 204358717U
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- coal powder
- high temperature
- temperature resistant
- prefabricated
- powder lance
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Abstract
The utility model discloses a kind of coal powder lance with prefabricated high-temperature-resistant structure; Belong to cement plant equipment technical field; Its technical essential comprises coal powder lance body, and coal powder lance body outer wall is provided with some high-temp resistance prefabricated rings vertically, and each high-temp resistance prefabricated ring is made up of the high temperature resistant clay prefabricated component of 4-6 block arc; Each high temperature resistant clay prefabricated component is distributed with some locating holes, coal powder lance body outer wall is provided with and each locating hole positioning stud one to one, each high temperature resistant clay prefabricated component to be coordinated with positioning stud by high temperature resistant securing member and is fixed on coal powder lance body outer wall; The utility model aims to provide a kind of easy to use, respond well coal powder lance with prefabricated high-temperature-resistant structure; For manufacture of cement.
Description
Technical field
The utility model relates to a kind of coal powder lance, more particularly, particularly relates to a kind of coal powder lance with prefabricated high-temperature-resistant structure.
Background technology
Cement needs in process of production through high-temperature calcination, and the fuel requirement producing high temperature is delivered in cement kiln by coal injection pipe, because cement kiln temperature is higher, coal injection pipe work under bad environment, therefore coal injection pipe front end needs to stretch on the position outer wall in kiln and is all cast with high-temperature plastic mud layer, to ensure the normal work of coal injection pipe.But because kiln temperature is higher, kiln flame and high-temperature dust etc. do not stop to wash away high-temperature plastic mud layer, in use for some time, high-temperature plastic mud layer local just there will be breakage, once there is breakage, repairs with regard to needs.And due to high-temperature plastic mud layer be integrated pouring, during reparation, just need to remove the high-temperature plastic mud layer of failure area, and then it is again integrated poured, not only cause the significant wastage of high-temperature plastic mud material, and from repair and can normally work to equipment, whole process at least needs the time, has a strong impact on the normal work of enterprise.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of easy to use, respond well coal powder lance with prefabricated high-temperature-resistant structure.
The technical solution of the utility model is achieved in that a kind of coal powder lance with prefabricated high-temperature-resistant structure, comprise coal powder lance body, coal powder lance body outer wall is provided with some high-temp resistance prefabricated rings vertically, and each high-temp resistance prefabricated ring is made up of the high temperature resistant clay prefabricated component of 4-6 block arc; Each high temperature resistant clay prefabricated component is distributed with some locating holes, coal powder lance body outer wall is provided with and each locating hole positioning stud one to one, each high temperature resistant clay prefabricated component to be coordinated with positioning stud by high temperature resistant securing member and is fixed on coal powder lance body outer wall.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, between high temperature resistant clay prefabricated component and coal powder lance body, be folded with the cotton layer of high-temperature fibre.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, described high temperature resistant securing member is made up of integrated ceramic caps and ceramic swivel nut; Pottery swivel nut is threaded with positioning stud, is provided with interior hexagonal counterbore, is provided with in high temperature resistant clay prefabricated component upper surface the deep gouge adapted with ceramic caps in ceramic caps upper surface.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, between the high temperature resistant securing member locating hole corresponding with on high temperature resistant clay prefabricated component and deep gouge, be provided with high temperature resistant locating glue mud layer.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, in locating hole and ceramic swivel nut periphery be equipped with positioning threads; Annular positioning groove is equipped with bottom deep gouge inner bottom part and ceramic caps.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, high temperature resistant clay prefabricated component end face is circumferentially inclined-plane, the end face at adjacent high temperature resistant clay prefabricated component edge coordinates the splay blind of formation, is filled with high temperature resistant clay in blind.
In above-mentioned a kind of coal powder lance with prefabricated high-temperature-resistant structure, be provided with at each high temperature resistant clay prefabricated component edge the locating convex block and/or locating notch that cooperatively interact.
After the utility model adopts said structure; by being provided with high-temp resistance prefabricated ring at coal powder lance body outer wall; high-temp resistance prefabricated ring adopts the frame mode of the high temperature resistant clay prefabricated component composition of 4-6 block arc; while protection coal powder lance body, utilization rate and the service life of high-temperature-resistant layer can be improved.Further, for convenience of location and the handling of whole preform layer, adopt the structure location that locating convex block and/or locating notch coordinate between each prefabricated component, and adopt positioning stud to coordinate the mode of high temperature resistant securing member and high temperature resistant clay to be fixed.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional structure schematic diagram at A-A place in Fig. 1;
Fig. 3 is the plan structure schematic diagram of Fig. 1;
Fig. 4 is the close-up schematic view at B place in Fig. 2.
In figure: the cotton layer 6 of coal powder lance body 1, high temperature resistant clay prefabricated component 2, locating hole 3, positioning stud 4, high temperature resistant securing member 5, ceramic caps 5a, ceramic swivel nut 5b, high-temperature fibre, interior hexagonal counterbore 7, deep gouge 8, high temperature resistant locating glue mud layer 9, positioning threads 10, annular positioning groove 11, blind 12, high temperature resistant clay 13, locating convex block 14, locating notch 15.
Detailed description of the invention
Consult shown in Fig. 1 to Fig. 4, a kind of coal powder lance with prefabricated high-temperature-resistant structure of the present utility model, comprise coal powder lance body 1, coal powder lance body 1 outer wall is provided with and each locating hole 3 positioning stud 4 one to one, coal powder lance body 1 outer wall is provided with some high-temp resistance prefabricated rings vertically, high-temp resistance prefabricated ring plays the good action of protection coal powder lance body 1 in use, each high-temp resistance prefabricated ring is made up of the high temperature resistant clay prefabricated component 2 of 4-6 block arc, each high temperature resistant clay prefabricated component 2 is distributed with some locating holes 3, positioning threads 10 is provided with in locating hole 3, adopt this structure, during use, when high-temp resistance prefabricated ring of local is damaged, replace corresponding high temperature resistant clay prefabricated component 2 can resume production, save a large amount of costs.In order to have good fixed effect, high temperature resistant clay prefabricated component 2 end face is circumferentially inclined-plane, and the end face at adjacent high temperature resistant clay prefabricated component 2 edge coordinates the splay blind 12 of formation, is filled with high temperature resistant clay 13 in blind 12.Certainly, other castable of this area routine can also be filled in blind 12.The locating convex block 14 and/or locating notch 15 that cooperatively interact is provided with at each high temperature resistant clay prefabricated component 2 edge, concrete fit system has following three kinds: the fit system that edge can be provided with the fit system of locating convex block 14 and locating notch 15, edge is locating convex block 14 of each prefabricated component and edge are the fit system of locating notch 15, high temperature resistant clay prefabricated component 2 adopts this structure, when producing and use all more for convenience.
Further, be folded with the cotton layer 6 of high-temperature fibre between high temperature resistant clay prefabricated component 2 and coal powder lance body 1, the cotton layer 6 of high-temperature fibre plays good heat-blocking action.The conveniently installation and removal of high temperature resistant clay prefabricated component 2, each high temperature resistant clay prefabricated component 2 to be coordinated with positioning stud 4 by high temperature resistant securing member 5 and is fixed on coal powder lance body 1 outer wall.High temperature resistant securing member 5 is made up of integrated ceramic caps 5a and ceramic swivel nut 5b; Positioning threads 10 is arranged with outside pottery swivel nut 5b, pottery swivel nut 5b is threaded with positioning stud 4, interior hexagonal counterbore 7 is provided with in ceramic caps 5a upper surface, annular positioning groove 11 is provided with bottom ceramic caps 5a, be provided with in high temperature resistant clay prefabricated component 2 upper surface the deep gouge 8 adapted with ceramic caps 5a, be provided with annular positioning groove 11 at deep gouge 8 inner bottom part.High temperature resistant locating glue mud layer 9 is provided with between high temperature resistant securing member 5 locating hole 3 corresponding with on high temperature resistant clay prefabricated component 2 and deep gouge 8.Positioning threads 10 and annular positioning groove 11 are the shape of thread, play the effect preventing high temperature resistant locating glue mud layer 9 from coming off.
During use, high temperature resistant clay prefabricated component 2 is set on positioning stud 4 vertically respectively, thus form high-temp resistance prefabricated ring, adjacent high-temp resistance prefabricated ring is fixed on coal powder lance body 1 periphery by the fit system of locating convex block 14 and locating notch 15, then between high temperature resistant securing member 5 locating hole 3 corresponding with on high temperature resistant clay prefabricated component 2 and deep gouge 8, high temperature resistant locating glue mud layer 9 is inserted, high temperature resistant securing member 5 is rotated and is screwed into positioning stud 4 and finally clamp-ons in high temperature resistant locating glue mud layer 9, high temperature resistant clay prefabricated component 2 is fixed on coal powder lance body 1.Finally in blind 12, insert high temperature resistant clay 13.In use for some time, after high temperature resistant clay prefabricated component 2 is subject to certain damage, the prefabricated component of replaceable damage, while extending the service life of coal powder lance, saves the production cost of manufacture of cement.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristic, utilize the utility model disclose the Equivalent embodiments changing or modify in the done local of technology contents, and do not depart from technical characteristic content of the present utility model, all still belong in the scope of the utility model technical characteristic.
Claims (7)
1. the coal powder lance with prefabricated high-temperature-resistant structure, comprise coal powder lance body (1), it is characterized in that, coal powder lance body (1) outer wall is provided with some high-temp resistance prefabricated rings vertically, and each high-temp resistance prefabricated ring is made up of the high temperature resistant clay prefabricated component (2) of 4-6 block arc; Each high temperature resistant clay prefabricated component (2) is distributed with some locating holes (3), coal powder lance body (1) outer wall is provided with and each locating hole (3) positioning stud (4) one to one, each high temperature resistant clay prefabricated component (2) to be coordinated with positioning stud (4) by high temperature resistant securing member (5) and is fixed on coal powder lance body (1) outer wall.
2. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 1, is characterized in that, is folded with the cotton layer (6) of high-temperature fibre between high temperature resistant clay prefabricated component (2) and coal powder lance body (1).
3. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 1, is characterized in that, described high temperature resistant securing member (5) is made up of integrated ceramic caps (5a) and ceramic swivel nut (5b); Pottery swivel nut (5b) is threaded with positioning stud (4), be provided with interior hexagonal counterbore (7) in ceramic caps (5a) upper surface, be provided with in high temperature resistant clay prefabricated component (2) upper surface the deep gouge (8) adapted with ceramic caps (5a).
4. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 3, it is characterized in that, between the upper corresponding locating hole (3) of high temperature resistant securing member (5) and high temperature resistant clay prefabricated component (2) and deep gouge (8), be provided with high temperature resistant locating glue mud layer (9).
5. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 4, is characterized in that, in locating hole (3) and ceramic swivel nut (5b) periphery be equipped with positioning threads (10); Annular positioning groove (11) is equipped with at deep gouge (8) inner bottom part and ceramic caps (5a) bottom.
6. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 1, it is characterized in that, high temperature resistant clay prefabricated component (2) end face is circumferentially inclined-plane, the end face at adjacent high temperature resistant clay prefabricated component (2) edge coordinates the splay blind of formation (12), is filled with high temperature resistant clay (13) in blind (12).
7. a kind of coal powder lance with prefabricated high-temperature-resistant structure according to claim 1 or 6, it is characterized in that, be provided with at each high temperature resistant clay prefabricated component (2) edge the locating convex block (14) and/or locating notch (15) that cooperatively interact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871892.8U CN204358717U (en) | 2014-12-30 | 2014-12-30 | A kind of coal powder lance with prefabricated high-temperature-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871892.8U CN204358717U (en) | 2014-12-30 | 2014-12-30 | A kind of coal powder lance with prefabricated high-temperature-resistant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204358717U true CN204358717U (en) | 2015-05-27 |
Family
ID=53260186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420871892.8U Expired - Fee Related CN204358717U (en) | 2014-12-30 | 2014-12-30 | A kind of coal powder lance with prefabricated high-temperature-resistant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204358717U (en) |
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2014
- 2014-12-30 CN CN201420871892.8U patent/CN204358717U/en not_active Expired - Fee Related
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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: 20150527 Termination date: 20161230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |