CN104534499B - Coal powder lance with combination type high-temperature-resistant structure - Google Patents
Coal powder lance with combination type high-temperature-resistant structure Download PDFInfo
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- CN104534499B CN104534499B CN201410855344.0A CN201410855344A CN104534499B CN 104534499 B CN104534499 B CN 104534499B CN 201410855344 A CN201410855344 A CN 201410855344A CN 104534499 B CN104534499 B CN 104534499B
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- temperature
- coal powder
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Abstract
The invention discloses a kind of coal powder lance with combination type high-temperature-resistant structure；Belong to cement plant equipment technical field；Technical points includes coal powder lance body, and some positioning stud is distributed on coal powder lance body outer wall, and the coal powder lance body upper peripheral at positioning stud has high-temperature plastic mud layer；High-temperature plastic mud layer periphery is provided with high-temp resistance prefabricated layer and ceramic wearing coat；High-temp resistance prefabricated layer is made up of some blocks of high temperature resistant clay prefabricated components, ceramic wearing coat is made up of some pieces of ceramic preform, high temperature resistant clay prefabricated component and ceramic preform one_to_one corresponding and be respectively equipped with the hole, location adapted with positioning stud on high temperature resistant clay prefabricated component and ceramic preform, high temperature resistant clay prefabricated component and ceramic preform are located on the positioning stud of correspondence and are threadeded with positioning stud by high temperature resistant securing member and fix；It is desirable to provide a kind of easy to use, respond well coal powder lance with combination type high-temperature-resistant structure；For manufacture of cement.
Description
Technical field
The present invention relates to a kind of coal powder lance, more specifically, particularly relate to a kind of coal powder lance with combination type 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 to cement kiln by coal injection pipe
In, owing to cement kiln temperature is higher, coal injection pipe work under bad environment, therefore coal injection pipe front end needs outside the position stretching in kiln
High-temperature plastic mud layer all it is cast with, to ensure the normal work of coal injection pipe on wall.But owing to kiln temperature is higher, kiln flame and
High-temperature dusts etc. do not stop to wash away high-temperature plastic mud layer, and in use for some time, high-temperature plastic mud layer local arises that breakage,
Breakage once occurs, it is necessary to repair.And owing to high-temperature plastic mud layer is integrated pouring, during reparation, it is necessary to
The high-temperature plastic mud layer of failure area is purged, the most integrated poured, not only cause the pole of high-temperature plastic mud material
Big waste, and can normally work to equipment from starting to repair, whole process at least needs the time, has a strong impact on enterprise
Normal work.
Summary of the invention
Present invention aims to above-mentioned the deficiencies in the prior art, it is provided that a kind of easy to use, respond well with combination
The coal powder lance of formula high-temperature-resistant structure.
The technical scheme is that and be achieved in that: a kind of coal powder lance with combination type high-temperature-resistant structure, including coal powder lance this
Body, is distributed some positioning studs on coal powder lance body outer wall, and the coal powder lance body upper peripheral at positioning stud has resistance to height
Temperature clay layer；High-temp resistance prefabricated layer and ceramic wearing coat the most sequentially it is provided with in high-temperature plastic mud layer periphery；Described high temperature resistant
Preformed layer is made up of the some blocks of high temperature resistant clay prefabricated components sequentially laid, and described ceramic wearing coat is by the some pieces of potteries sequentially laid
Porcelain prefabricated component is constituted, high temperature resistant clay prefabricated component and ceramic preform one_to_one corresponding and at high temperature resistant clay prefabricated component and ceramics preparative
Being respectively equipped with the hole, location adapted with positioning stud on part, high temperature resistant clay prefabricated component and ceramic preform are located in determining of correspondence
Threaded with positioning stud on the stud of position and by high temperature resistant securing member and fix.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, the thickness of described high-temperature plastic mud layer is 4-6cm；High temperature resistant
The thickness of preformed layer and ceramic wearing coat is 1/2nd of high-temperature plastic mud layer thickness.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, it is folded with between high-temperature plastic mud layer and high-temp resistance prefabricated layer
High-temperature fibre cotton layer.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, described high temperature resistant securing member by integrated ceramic caps and
Pottery swivel nut is constituted；Pottery swivel nut is threadeded with positioning stud, is provided with interior hexagonal counterbore in ceramic caps upper surface, at pottery
Prefabricated component upper surface is provided with the deep gouge adapted with ceramic caps.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, in the location that high temperature resistant securing member is corresponding with on ceramic preform
High temperature resistant location clay layer it is provided with between hole and deep gouge.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, in the hole, location on ceramic preform and pottery swivel nut periphery
It is equipped with positioning threads；It is equipped with annular positioning groove bottom deep gouge inner bottom part and ceramic caps.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, high temperature resistant clay prefabricated component end face circumferentially is inclined-plane,
The end face at adjacent high temperature resistant clay prefabricated component edge cooperatively forms splay first blind, fills in the first blind
There is the first high temperature resistant clay.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, ceramic preform end face circumferentially is inclined-plane, adjacent pottery
The end face at porcelain prefabricated component edge cooperatively forms splay second blind, is filled with second high temperature resistant in the second blind
Clay.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, set at each high temperature resistant clay prefabricated component and ceramic preform edge
There is the locating convex block and/or locating notch cooperated.
In the above-mentioned coal powder lance with combination type high-temperature-resistant structure, the cross section of high temperature resistant clay prefabricated component and ceramic preform is equal
For arc, the radian of arc is 60-90 °.
After the present invention uses said structure, first pass through and pour into a mould high-temperature plastic mud layer at coal powder lance body, then at high temperature resistant clay
Layer is outer the most sequentially arranges detachable high-temp resistance prefabricated layer and ceramic wearing coat.So, whole high temperature resistant in guarantee
Structural thickness is identical with the high-temperature-resistant layer of existing integrated pouring, on the premise of can effectively playing protection coal powder lance purpose, enters one
Step improves utilization rate and the service life of high-temperature-resistant layer.Meanwhile, limit high-temperature plastic mud layer thickness and high-temp resistance prefabricated layer and
Relation between ceramic wear-resisting layer thickness, so, can improve the utilization rate of prefabricated component to greatest extent, and component wear has only to more
Change that surface is relatively thin one piece.Further, for convenience of location and the handling of whole preform layer, between each prefabricated component, use location
The structure location that projection and/or locating notch coordinate, and use positioning stud to coordinate high temperature resistant securing member and the mode of high temperature resistant clay
It is fixed.Use the coal powder lance of the present invention, when high-temperature-resistant layer occurs that damage needs to change, it is only necessary to spend the short period
Failure area is repaired and again puts into.
Accompanying drawing explanation
The present invention is described in further detail for embodiment in below in conjunction with the accompanying drawings, but is not intended that any limit to the present invention
System.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional structure schematic diagram in Fig. 1 at A-A；
Fig. 3 is the plan structure schematic diagram of Fig. 1；
Fig. 4 is the close-up schematic view in Fig. 2 at B.
In figure: coal powder lance body 1, positioning stud 2, high-temperature plastic mud layer 3, high temperature resistant clay prefabricated component 4, ceramic preform
5, hole 6, location, high temperature resistant securing member 7, ceramic caps 7a, pottery swivel nut 7b, high-temperature fibre cotton layer 8, interior hexagonal counterbore
9, deep gouge 10, high temperature resistant location clay layer 11, positioning threads 12, annular positioning groove the 13, first blind 14, first
High temperature resistant clay the 15, second blind the 16, second high temperature resistant clay 17, locating convex block 18, locating notch 19.
Detailed description of the invention
Refering to shown in Fig. 1 to Fig. 4, a kind of coal powder lance with combination type high-temperature-resistant structure of the present invention, including coal powder lance body
1, on coal powder lance body 1 outer wall, some positioning stud 2 is distributed, at coal powder lance body 1 upper of positioning stud 2 periphery
Having high-temperature plastic mud layer 3, the thickness of high-temperature plastic mud layer 3 is 4-6cm, and high-temperature plastic mud layer 3 plays protection coal powder injection in use
The good action of gun body 1.High-temp resistance prefabricated layer and ceramic wearing coat the most sequentially it is provided with in high-temperature plastic mud layer 3 periphery.
High-temp resistance prefabricated layer is made up of the some blocks of high temperature resistant clay prefabricated components 4 sequentially laid, and high temperature resistant clay prefabricated component 4 is circumferentially
End face is inclined-plane, and the end face at adjacent high temperature resistant clay prefabricated component 4 edge cooperatively forms splay first blind 14,
The first high temperature resistant clay 15 it is filled with in first blind 14.Described ceramic wearing coat is pre-by the some pieces of potteries sequentially laid
Product 5 is constituted, and is provided with the deep gouge 10 adapted with ceramic caps 7a in ceramic preform 5 upper surface, at deep gouge 10 inner bottom part
It is provided with annular positioning groove 13.Ceramic preform 5 end face circumferentially is inclined-plane, and the end face at adjacent ceramic prefabricated component 5 edge is joined
Close and form splay second blind 16, in the second blind 16, be filled with the second high temperature resistant clay 17.This knot
The blind of structure, even if having certain extendable room between adjacent two blocks of prefabricated components, prevents from causing due to high-temperature expansion
The damage of prefabricated component, can be fixed high temperature resistant clay again effectively, even if pine occurs in the high temperature resistant clay in blind
Dynamic, also will not come off in blind easily, effectively extend the service life of high temperature resistant clay.It addition, fill seam first
Can also fill, in gap 14 and the second blind 16, other castable that this area is conventional.High temperature resistant clay prefabricated component 4 and pottery
The cross section of porcelain prefabricated component 5 is arc, it is preferred that the radian of arc is 60-90 °, uses this structure, both convenient peace
Dress, can improve again high temperature resistant clay prefabricated component 4 and the utilization rate of ceramic preform 5.
Meanwhile, the thickness of high-temp resistance prefabricated layer and ceramic wearing coat is 1/2nd of high-temperature plastic mud layer 3 thickness, high temperature resistant
Preformed layer and ceramic wearing coat primarily serve the effect of protection high-temperature plastic mud layer 3, use the structure of suitable thickness, are beneficial to produce
While, save substantial amounts of cost；High-temperature fibre cotton layer it is folded with between high-temperature plastic mud layer 3 and high-temp resistance prefabricated layer
8, high-temperature fibre cotton layer 8 plays heat insulation effect.
Further, locating convex block 18 He cooperated it is provided with at each high temperature resistant clay prefabricated component 4 and ceramic preform 5 edge
/ or locating notch 19, concrete fit system is determined on a case-by-case basis, and the edge of each prefabricated component can arrange locating convex block 18 simultaneously
With in locating notch 19, it is also possible to be locating convex block 18 or be locating notch 19, using this structure, mainly side
The most each prefabricated component location when mounted, improves installation effectiveness.
Further, high temperature resistant clay prefabricated component 4 and ceramic preform 5 one_to_one corresponding and at high temperature resistant clay prefabricated component 4 and pottery
It is respectively equipped with the hole, location 6 adapted with positioning stud 2 on porcelain prefabricated component 5, sets in the hole, location 6 on ceramic preform 5
There is positioning threads 12；High temperature resistant clay prefabricated component 4 and ceramic preform 5 are located on the positioning stud 2 of correspondence and by resistance to height
Temperature securing member 7 is threadeded fixing with positioning stud 2.In the hole, location that high temperature resistant securing member 7 is corresponding with on ceramic preform 5
High temperature resistant location clay layer 11 it is provided with between 6 and deep gouge 10.High temperature resistant securing member 7 is by integrated ceramic caps 7a and pottery
Porcelain swivel nut 7b is constituted；Pottery swivel nut 7b is threadeded with positioning stud 2, is provided with positioning threads 12 in pottery swivel nut 7b periphery；
It is provided with interior hexagonal counterbore 9 in ceramic caps 7a upper surface, bottom ceramic caps 7a, is provided with annular positioning groove 13, positioning threads
12 and annular positioning groove 13 be the shape of thread, play the effect preventing high temperature resistant location clay layer 11 from coming off.
During use, first according to the specification of each prefabricated component, coal powder lance body 1 outer wall welds positioning stud 2, then in spray
Integrated poured high-temperature plastic mud layer 3 on coal gun body 1 outer wall, after high-temperature plastic mud layer 3 molding, lays high-temperature fibre cotton
Layer 8, more high temperature resistant clay prefabricated component 4 is set on the positioning stud 2 of correspondence, insert first in the first blind 14 resistance to
High temperature clay 15, forms high-temp resistance prefabricated layer；Then ceramic preform 5 is set on the positioning stud 2 of correspondence, at pottery
Preset high temperature resistant location clay layer 11 in hole, location 6 on prefabricated component 5 and deep gouge 10, then high temperature resistant securing member 7 is rotated
Clamp-on in deep gouge 10, coordinate fixing two-layer preform layer by high temperature resistant securing member 7 with positioning stud 2, simultaneously by high temperature resistant
Location clay layer 11 is fixing and protects high temperature resistant securing member 7, finally inserts the second high temperature resistant clay in the second blind 16
17, form ceramic wearing coat.
In use for some time, it is damaged when the high temperature resistant clay prefabricated component 4 on coal powder lance outer wall and/or ceramic preform 5
Time, high temperature resistant securing member 7 can be backed out, change the prefabricated component damaged, again in corresponding blind, insert high-temperature plastic
Mud can come into operation again.The present invention effectively extends the service life of coal powder lance, save considerably the one-tenth of manufacture of cement simultaneously
This.
Embodiment provided above is the better embodiment of the present invention, is only used for the convenient explanation present invention, not appoints the present invention
What pro forma restriction, has usually intellectual, if without departing from the carried technical characteristic of the present invention in any art
In the range of, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and without departing from this
Bright technical characteristic content, all still falls within the range of the technology of the present invention feature.
Claims (10)
1. with a coal powder lance for combination type high-temperature-resistant structure, including coal powder lance body (1), it is characterised in that at coal powder lance
Some positioning stud (2) is distributed, at coal powder lance body (1) upper that positioning stud (2) is peripheral on body (1) outer wall
There is high-temperature plastic mud layer (3)；High-temp resistance prefabricated layer and ceramic wear-resisting the most sequentially it is provided with in high-temperature plastic mud layer (3) periphery
Layer；Described high-temp resistance prefabricated layer is made up of the some pieces of high temperature resistant clay prefabricated components (4) sequentially laid, described ceramic wearing coat by
Some pieces of ceramic preform sequentially laid (5) are constituted, high temperature resistant clay prefabricated component (4) and ceramic preform (5) 1 a pair
The location adapted with positioning stud (2) and should be respectively equipped with on high temperature resistant clay prefabricated component (4) and ceramic preform (5)
Hole (6), high temperature resistant clay prefabricated component (4) and ceramic preform (5) are located in the positioning stud (2) of correspondence and above and pass through resistance to
High temperature securing member (7) is threadeded fixing with positioning stud (2).
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 1, it is characterised in that described high-temperature plastic
The thickness of mud layer (3) is 4-6cm；The thickness of high-temp resistance prefabricated layer and ceramic wearing coat is high-temperature plastic mud layer (3) thickness
1/2nd.
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 1, it is characterised in that at high temperature resistant clay
It is folded with high-temperature fibre cotton layer (8) between layer (3) and high-temp resistance prefabricated layer.
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 1, it is characterised in that described high temperature resistant tightly
Firmware (7) is made up of integrated ceramic caps (7a) and pottery swivel nut (7b)；Pottery swivel nut (7b) and positioning stud
(2) threaded, it is provided with interior hexagonal counterbore (9) in ceramic caps (7a) upper surface, in ceramic preform (5) upper surface
It is provided with the deep gouge (10) adapted with ceramic caps (7a).
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 4, it is characterised in that in high temperature resistant fastening
Part (7) is upper with ceramic preform (5) is provided with high temperature resistant location clay layer (11) between corresponding hole, location (6) and deep gouge (10).
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 5, it is characterised in that at ceramic preform
(5) in the hole, location (6) on and ceramic swivel nut (7b) periphery is equipped with positioning threads (12)；At deep gouge (10) inner bottom part
It is equipped with annular positioning groove (13) with ceramic caps (7a) bottom.
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 1, it is characterised in that high temperature resistant clay is pre-
Product (4) end face circumferentially is inclined-plane, and the end face at adjacent high temperature resistant clay prefabricated component (4) edge cooperatively forms splayed
The first blind (14), in the first blind (14), be filled with the first high temperature resistant clay (15).
8. according to the coal powder lance with combination type high-temperature-resistant structure described in claim 1 or 7, it is characterised in that ceramics preparative
Part (5) end face circumferentially is inclined-plane, and the end face at adjacent ceramic prefabricated component (5) edge cooperatively forms splay second and fills out
Fill gap (16), in the second blind (16), be filled with the second high temperature resistant clay (17).
9. according to the coal powder lance with combination type high-temperature-resistant structure described in claim 1 or 7, it is characterised in that at each resistance to height
Temperature clay prefabricated component (4) and ceramic preform (5) edge are provided with the locating convex block (18) and/or locating notch cooperated
(19)。
Coal powder lance with combination type high-temperature-resistant structure the most according to claim 1, it is characterised in that high temperature resistant clay
The cross section of prefabricated component (4) and ceramic preform (5) is arc, and the radian of arc is 60-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855344.0A CN104534499B (en) | 2014-12-30 | 2014-12-30 | Coal powder lance with combination type high-temperature-resistant structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855344.0A CN104534499B (en) | 2014-12-30 | 2014-12-30 | Coal powder lance with combination type high-temperature-resistant structure |
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| Publication Number | Publication Date |
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| CN104534499A CN104534499A (en) | 2015-04-22 |
| CN104534499B true CN104534499B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410855344.0A Expired - Fee Related CN104534499B (en) | 2014-12-30 | 2014-12-30 | Coal powder lance with combination type high-temperature-resistant structure |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816768C2 (en) * | 1978-04-18 | 1981-11-26 | Ruhrkohle Ag, 4300 Essen | Coal burning |
| CN2508118Y (en) * | 2001-11-28 | 2002-08-28 | 吴亦安 | Arch wear-resistant corundun ceramic lining boiler burner tube |
| CN1715238A (en) * | 2005-01-18 | 2006-01-04 | 陈海渊 | Corundum ceramic wear-resistance lining plate structure module and its wear-resistance corundum ceramic block |
| CN2771617Y (en) * | 2005-01-18 | 2006-04-12 | 陈海渊 | Corundum ceramic anti-wear lining structure assembly |
| CN201462881U (en) * | 2009-07-30 | 2010-05-12 | 四川利森建材集团有限公司 | Cement kiln pulverized coal burner |
| CN202647834U (en) * | 2012-07-02 | 2013-01-02 | 魏伯卿 | Long heat-resistant oxygen-enriched combustion-supporting spray gun for rotary kiln |
| CN204007137U (en) * | 2014-08-26 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Combination preformed bricks for the reducing of a kind of cement kiln smoke-box |
| CN204358762U (en) * | 2014-12-30 | 2015-05-27 | 广东梅雁吉祥水电股份有限公司 | A kind of coal powder lance with combined type high-temperature-resistant structure |
-
2014
- 2014-12-30 CN CN201410855344.0A patent/CN104534499B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816768C2 (en) * | 1978-04-18 | 1981-11-26 | Ruhrkohle Ag, 4300 Essen | Coal burning |
| CN2508118Y (en) * | 2001-11-28 | 2002-08-28 | 吴亦安 | Arch wear-resistant corundun ceramic lining boiler burner tube |
| CN1715238A (en) * | 2005-01-18 | 2006-01-04 | 陈海渊 | Corundum ceramic wear-resistance lining plate structure module and its wear-resistance corundum ceramic block |
| CN2771617Y (en) * | 2005-01-18 | 2006-04-12 | 陈海渊 | Corundum ceramic anti-wear lining structure assembly |
| CN201462881U (en) * | 2009-07-30 | 2010-05-12 | 四川利森建材集团有限公司 | Cement kiln pulverized coal burner |
| CN202647834U (en) * | 2012-07-02 | 2013-01-02 | 魏伯卿 | Long heat-resistant oxygen-enriched combustion-supporting spray gun for rotary kiln |
| CN204007137U (en) * | 2014-08-26 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Combination preformed bricks for the reducing of a kind of cement kiln smoke-box |
| CN204358762U (en) * | 2014-12-30 | 2015-05-27 | 广东梅雁吉祥水电股份有限公司 | A kind of coal powder lance with combined type high-temperature-resistant structure |
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