CN203517854U - Coal-injection duct prefabricated part - Google Patents
Coal-injection duct prefabricated part Download PDFInfo
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- CN203517854U CN203517854U CN201320706349.8U CN201320706349U CN203517854U CN 203517854 U CN203517854 U CN 203517854U CN 201320706349 U CN201320706349 U CN 201320706349U CN 203517854 U CN203517854 U CN 203517854U
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- injection pipe
- prefabricated component
- coal injection
- prefabricated part
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Abstract
The utility model relates to a cement production accessory, in particular to a coal-injection duct prefabricated part. A prefabricated part main body of the coal-injection duct prefabricated part comprises at least two splicing blocks which can spliced into the prefabricated part main body; the prefabricated part main body is formed by splicing a plurality of splicing blocks; when the prefabricated part is damaged during use, only a damaged splicing block requires to be replaced, and replacing the whole prefabricated part is not needed, so that waste of prefabricated part castables is reduced; the prefabricated part main body adopts the spliced structure, so that the construction of the prefabricated part is convenient, and the cement production cost is lowered; the splicing gaps of two adjacent prefabricated part bodies are staggered, so that the connection strength between the splicing blocks in the coal-injection duct prefabricating part in the use process is enhanced, and the service life of the coal-injection duct prefabricated part is prolonged.
Description
Technical field
The utility model relates to manufacture of cement accessory, relates in particular to coal injection pipe prefabricated component.
Background technology
Cement needs in process of production through high-temperature calcination, and the fuel requirement that produces high temperature is delivered in cement kiln by coal injection pipe, because cement kiln temperature is higher, coal injection pipe work under bad environment, in use procedure, coal injection pipe prefabricated component easily damages in severe working environment, and cement manufacture plant is bulky, the manufacturing cost of coal injection pipe prefabricated component is also higher.
Coal injection pipe prefabricated component of the prior art all adopts integrated pouring moulding, due to coal injection pipe prefabricated component work under bad environment, in use procedure, easily damage, therefore, coal injection pipe prefabricated component of the prior art can only be changed prefabricated component integral body after damaging, and the damage of prefabricated component is generally that to be positioned at the part of cement kiln inside easily damaged, in prior art scheme, prefabricated component is changed prefabricated component integral body after partly damaging, prefabricated component moulding material has been caused to great waste, increased the production cost of manufacture of cement simultaneously.
Summary of the invention
The coal injection pipe prefabricated component that the utility model provides, is intended to overcome coal injection pipe prefabricated component in prior art and cannot carries out the deficiency of changing separately to broken parts after partly damaging.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: coal injection pipe prefabricated component, comprise that at least two sections for being spliced into the prefabricated part body of coal injection pipe prefabricated component, described prefabricated part body comprises that at least two for being spliced into the piece of prefabricated part body, between described adjacent two pieces, be formed with and connect piece, the splicing seams in described two adjacent two sections of prefabricated part body staggers mutually.
As preferably, on described piece, the side relative with adjacent tiles is provided with the welding bar of protrusion, by the metal solder bar that protrudes Mosaic face is set on Mosaic face, adjacent two pieces can link together by the mode of welding, piece splicing is convenient, and the bonding strength of adjacent two pieces is high after piece splicing, improved the intensity of coal injection pipe prefabricated component, extended the service life of coal injection pipe prefabricated component.
As preferably, in same section of prefabricated part body, between adjacent piece, be provided with the cavity being positioned at above welding bar, the degree of depth of described cavity is 1/3 to 1/2 cavity of piece thickness, in described cavity, be provided with and prevent that high temperature direct effect is to the thermal insulation layer welding on bar, by arrange the degree of depth be 1/3 to 1/2 cavity of piece thickness and in cavity stuffed heat insulated layer, in use procedure, weld temperature that bar bears lower than the temperature of coal injection pipe prefabricated component end face, improved the working environment of welding bar, improved the bonding strength of welding bar, extended the service life of coal injection pipe prefabricated component.
As preferably, between described piece, be provided with for improving the pad of piece bonding strength, by pad is set on Mosaic face, further improved the bonding strength between adjacent tiles, extended the service life of coal injection pipe prefabricated component.
As preferably, the contact-making surface that welds bar on described adjacent two pieces is toothed surface, contact-making surface by adjacent two pieces welding bar is set to toothed surface, piece welds the mutual interlock of toothed surface of bar in splicing, during piece splicing, toothed surface plays positioning action, be convenient to piece concatenation, improved the splicing efficiency of piece.
As preferably, between described piece, be provided with for connecting the pouring layer of adjacent tiles, between two pieces, by pouring layer, connect, pouring layer has good resistance to elevated temperatures, has simplified the structure of Mosaic face between two pieces, has reduced the manufacturing cost of piece.
As preferably, the Mosaic face of described piece is provided with for improving the groove of piece bonding strength, by groove being set on piece Mosaic face, inside grooves is injected in cast, after castable is dry, form whole, improve the bonding strength between adjacent two pieces, extended the service life of coal injection pipe prefabricated component.
As preferably, described groove comprises anti-slip tank and the locating slot for preventing that adjacent two pieces from sliding up and down for preventing that adjacent two pieces from horizontally slipping, described anti-slip tank communicates with locating slot, the anti-slip tank communicating by setting and locating slot, after castable is dry, improve the positioning intensity on adjacent two piece both directions, further extended the service life of coal injection pipe prefabricated component.
As preferably, the A/F of described anti-slip tank is wider than the bottom land width of anti-slip tank, the A/F of described locating slot is wider than the bottom land width of locating slot, by making the A/F of anti-slip tank and locating slot be wider than bottom land width, be conducive to castable and enter bottom land inside, improve the bonding strength between two adjacent two pieces, extended the service life of coal injection pipe prefabricated component.
The coal injection pipe prefabricated component that the utility model provides, tool has the following advantages: coal injection pipe prefabricated component comprises that at least two sections for being spliced into the prefabricated part body of coal injection pipe prefabricated component, prefabricated part body is spliced by polylith piece, when in use damaging, prefabricated component only needs to change the piece damaging, and do not need whole prefabricated component to change, reduced the waste of prefabricated component castable, and be set to splicing structure by prefabricated part body, prefabricated component easy construction, has reduced manufacture of cement cost; By the splicing seams in two adjacent two sections of prefabricated part body is staggered mutually, in use procedure, draw high coal injection pipe prefabricated in bonding strength between each piece, extended service life of coal injection pipe prefabricated component.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the utility model coal injection pipe prefabricated component,
Accompanying drawing 2 is front views of the utility model coal injection pipe prefabricated component embodiment mono-,
Accompanying drawing 3 is front views of piece in the utility model coal injection pipe prefabricated component embodiment mono-,
Accompanying drawing 4 is front views of the utility model coal injection pipe prefabricated component embodiment bis-,
The specific embodiment
Embodiment mono-
Below in conjunction with accompanying drawing, coal injection pipe prefabricated component of the present utility model is described further.As Fig. 1, Fig. 2, shown in Fig. 3, coal injection pipe prefabricated component, comprise that at least two sections for being spliced into the prefabricated part body 1 of coal injection pipe prefabricated component, described prefabricated part body 1 comprises that at least two for being spliced into the piece 2 of prefabricated part body 1, between described adjacent two pieces 2, be formed with and connect piece 21, splicing seams 21 in described two adjacent two sections of prefabricated part body 1 staggers mutually, the shape of described piece 2 should be able to meet be combined into prefabricated part body 1 and meet the requirements, when prefabricated part body 1 is while being cylindrical, described piece 2 should have certain radian, the size of described radian is determined by the quantity of piece 2, described prefabricated part body 1 comprise at least two for be spliced into form after the piece 2 of prefabricated part body 1 and piece 2 splicings connect piece 21, splicing seams 21 in described two adjacent two sections of prefabricated part body 1 staggers mutually, on described piece 2, the side relative with adjacent tiles 2 is provided with the welding bar 23 of protrusion, the metal level that described welding bar 23 can connect with welding manner, described welding bar 23 is cast into monoblock type with piece 2 by forging type, in order to improve the bonding strength of welding bar 23 and piece 2, described welding bar 23 can arrange a plurality of projections perpendicular to piece 2 end faces 22 in the part of piece 2 inside, after piece 2 is dry, welding bar 23 forms an integral body with piece 2, by welding bar 23 is set on piece 2 sides, adjacent two pieces 2 can link together by the mode of welding, piece 2 splicings are convenient, and after piece 2 splicings, the bonding strength of adjacent two pieces 2 is high, improved the intensity of coal injection pipe prefabricated component, extended the service life of coal injection pipe prefabricated component, described adjacent tiles 2 adopts the mode of welding to be set together, in order to guarantee that weld layer has good working environment, weld bar 23 should with kiln in hot environment isolation, now, can realize welding bar 23 by the prefabricated component outer wall weld cast one deck separation layer being combined into by piece 2 isolates with external high temperature environment, improved the bonding strength of adjacent tiles 2, extended the service life of prefabricated component.
Further, as shown in Figure 2, be positioned at the cavity 22 of welding above bar 23 being provided with between the same section of interior adjacent piece 2 of prefabricated part body 1, the degree of depth of described cavity 22 is 1/3 to 1/2 cavity 22 of piece 2 thickness, in described cavity 22, be provided with and prevent that high temperature direct effect is to the thermal insulation layer 3 welding on bar 23, in use procedure, weld temperature that bar 23 bears lower than the temperature of coal injection pipe prefabricated component outer wall, improved the working environment of welding bar 23, improved the bonding strength of welding bar 23, extended the service life of coal injection pipe prefabricated component, in this structure, weld bar 23 and there is certain distance apart from the outer wall of piece 2, further make to weld bar 23 away from external high temperature environment, the interior stuffed heat insulated layer of described cavity 22 3 material make to weld bar 23 further isolates with hot environment.
Optionally, described splicing seams 21 tops are provided with thermal insulation layer 3, by thermal insulation layer 3 is set above splicing seams 21, thermal insulation layer 3 plays the effect that welding bar 23 is isolated from the outside, thermal insulation layer 3 also plays the effect that connects adjacent two pieces 2 simultaneously, improve the bonding strength of adjacent two pieces 2, extended the service life of coal injection pipe prefabricated component.
Further, as shown in Figure 1, between described piece 2, be provided with for improving the pad 4 of piece 2 bonding strengths, described pad 4 is arranged on Mosaic face 21 for welded structure except welding bar 23, by pad 4 is set on Mosaic face 21, further improve the bonding strength between adjacent tiles 2, extended the service life of coal injection pipe prefabricated component.
Further, as shown in Figure 3, the contact-making surface that welds bar 23 on described adjacent two pieces 2 is toothed surface 231, be in adjacent tiles 2, to weld bar 23 to be provided with the tooth-shape structure mutually staggering, the mutual interlock of tooth-shape structure after piece 2 amalgamations on two welding bars 23, the contact-making surface that welds bars 23 by adjacent two pieces 2 is set to toothed surface 231, and during piece 2 splicing, toothed surface 231 plays positioning action, be convenient to piece 2 concatenation, improved the splicing efficiency of piece 2.
Embodiment bis-
The difference of the present embodiment and embodiment mono-is, as Fig. 1, Fig. 4, shown in Fig. 5, between described piece 2, be provided with for connecting between 5, two pieces 2 of pouring layer of adjacent tiles 2 and connect by pouring layer 5, pouring layer 5 has good resistance to elevated temperatures, simplify the structure of Mosaic face 21 between two pieces 2, reduced the manufacturing cost of piece 2.
Further, as shown in Figure 5, the Mosaic face 21 of described piece 2 is provided with for improving the groove 6 of piece 2 bonding strengths, by groove 6 being set on piece 2 Mosaic faces 21, groove 6 inside are injected in cast, after castable is dry, form whole, the castable in groove 6 can with piece 2 good combination, improve the bonding strength between adjacent two pieces 2, extended the service life of coal injection pipe prefabricated component.
Further, as shown in Figure 5, described groove 6 comprises anti-slip tank 61 and the locating slot 62 for preventing that adjacent two pieces 2 from sliding up and down for preventing that adjacent two pieces 2 from horizontally slipping, described anti-slip tank 61 communicates with locating slot 62, the anti-slip tank 61 communicating by setting and locating slot 62, after castable is dry, improve the positioning intensity on adjacent two piece 2 both directions, further extended the service life of coal injection pipe prefabricated component.
Optionally, the A/F of described anti-slip tank 61 is wider than the bottom land width of anti-slip tank 61, the A/F of described locating slot 62 is wider than the bottom land width of locating slot 62, by making the A/F of anti-slip tank 61 and locating slot 62 be wider than bottom land width, be conducive to castable and enter bottom land inside, improve the bonding strength between two adjacent two pieces 2, extended the service life of coal injection pipe prefabricated component.
Technique scheme in use, as shown in Figure 1, prefabricated part body 1 is spliced by polylith piece 2, when in use damaging, prefabricated component only needs to change the piece 2 damaging, and do not need whole prefabricated component to change, reduced the waste of prefabricated component castable, and by prefabricated part body 1 being set to splicing structure, prefabricated component easy construction, has reduced manufacture of cement cost
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all modifications of making based on the technology of the present invention content, variation or substitute technology feature, all should be covered by the technology category of claims opinion of the present invention.
Claims (9)
1. coal injection pipe prefabricated component, it is characterized in that: comprise that at least two sections for being spliced into the prefabricated part body (1) of coal injection pipe prefabricated component, described prefabricated part body (1) comprises that at least two for being spliced into the piece (2) of prefabricated part body (1), between described adjacent two pieces (2), be formed with and connect piece (21), the splicing seams (21) in described two adjacent two sections of prefabricated part body (1) staggers mutually.
2. coal injection pipe prefabricated component according to claim 1, is characterized in that: the upper side relative with adjacent tiles (2) of described piece (2) is provided with the welding bar (23) of protrusion.
3. coal injection pipe prefabricated component according to claim 2, it is characterized in that: in same section of prefabricated part body (1), between adjacent piece (2), be provided with the cavity (22) that is positioned at welding bar (23) top, the degree of depth of described cavity (22) is 1/3 to 1/2 cavity (22) of piece (2) thickness, is provided with and prevents that high temperature direct effect is to the thermal insulation layer (3) on welding bar (23) in described cavity (22).
4. coal injection pipe prefabricated component according to claim 1, is characterized in that: between described piece (2), be provided with for improving the pad (4) of piece (2) bonding strength.
5. coal injection pipe prefabricated component according to claim 4, is characterized in that: the contact-making surface of the upper welding of described adjacent two pieces (2) bar is toothed surface (231).
6. coal injection pipe prefabricated component according to claim 1, is characterized in that: between described piece (2), be provided with the pouring layer (5) for connecting adjacent tiles (2).
7. coal injection pipe prefabricated component according to claim 6, is characterized in that: the Mosaic face (21) of described piece (2) is provided with for improving the groove (6) of piece (2) bonding strength.
8. coal injection pipe prefabricated component according to claim 7, it is characterized in that: described groove (6) comprises anti-slip tank (61) and the locating slot (62) for preventing that adjacent two pieces (2) from sliding up and down for preventing that adjacent two pieces (2) from horizontally slipping, and described anti-slip tank (61) communicates with locating slot (62).
9. coal injection pipe prefabricated component according to claim 8, is characterized in that: the A/F of described anti-slip tank (61) is wider than the bottom land width of anti-slip tank (61), and the A/F of described locating slot (62) is wider than the bottom land width of locating slot (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320706349.8U CN203517854U (en) | 2013-11-08 | 2013-11-08 | Coal-injection duct prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320706349.8U CN203517854U (en) | 2013-11-08 | 2013-11-08 | Coal-injection duct prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203517854U true CN203517854U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320706349.8U Expired - Fee Related CN203517854U (en) | 2013-11-08 | 2013-11-08 | Coal-injection duct prefabricated part |
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| Country | Link |
|---|---|
| CN (1) | CN203517854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629686A (en) * | 2013-11-08 | 2014-03-12 | 长兴盛华耐火材料有限公司 | Coal-injection duct prefabricated part |
| CN104976486A (en) * | 2015-06-25 | 2015-10-14 | 浙江瑞泰耐火材料科技有限公司 | Wear-resisting ceramic external member for coal powder injection pipe |
| CN105135875A (en) * | 2015-08-24 | 2015-12-09 | 安徽芜湖海螺建筑安装工程有限责任公司 | Ash deposition prevention construction method for head of rotary cement kiln coal-injection duct |
-
2013
- 2013-11-08 CN CN201320706349.8U patent/CN203517854U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629686A (en) * | 2013-11-08 | 2014-03-12 | 长兴盛华耐火材料有限公司 | Coal-injection duct prefabricated part |
| CN103629686B (en) * | 2013-11-08 | 2016-06-08 | 长兴盛华耐火材料有限公司 | Coal injection pipe prefabricated component |
| CN104976486A (en) * | 2015-06-25 | 2015-10-14 | 浙江瑞泰耐火材料科技有限公司 | Wear-resisting ceramic external member for coal powder injection pipe |
| CN105135875A (en) * | 2015-08-24 | 2015-12-09 | 安徽芜湖海螺建筑安装工程有限责任公司 | Ash deposition prevention construction method for head of rotary cement kiln coal-injection duct |
| CN105135875B (en) * | 2015-08-24 | 2017-03-22 | 安徽芜湖海螺建筑安装工程有限责任公司 | Ash deposition prevention construction method for head of rotary cement kiln coal-injection duct |
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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: 20140402 Termination date: 20201108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |