CN115636678A - Method for manufacturing microcrystal blanking tube - Google Patents
Method for manufacturing microcrystal blanking tube Download PDFInfo
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- CN115636678A CN115636678A CN202211342786.6A CN202211342786A CN115636678A CN 115636678 A CN115636678 A CN 115636678A CN 202211342786 A CN202211342786 A CN 202211342786A CN 115636678 A CN115636678 A CN 115636678A
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Abstract
The invention discloses a method for manufacturing a microcrystal blanking tube, which comprises the following steps: s1, finishing the processing of a blanking pipe shell, and arranging a heat insulation layer on the inner wall of the blanking pipe shell; s2, coaxially placing a cylindrical lining cylinder in the blanking pipe shell, and fixedly connecting the cylindrical lining cylinder with the blanking pipe shell through a connecting assembly, wherein a gap is formed between the cylinder and the blanking pipe shell; and S3, filling a microcrystal casting material in the gap, and after the microcrystal casting material is molded, preparing the microcrystal blanking pipe. According to the manufacturing method of the microcrystal blanking tube, the anti-skinning microcrystal material adopted on the inner wall of the obtained microcrystal blanking tube does not react with the cement batch mixture, so that the skinning condition is avoided, the skinning cleaning work of the existing blanking tube is reduced, and the stability of the microcrystal blanking tube in use is ensured.
Description
Technical Field
The invention relates to the field of blanking pipes. More specifically, the invention relates to a method for manufacturing a microcrystal blanking tube.
Background
With the development of the cement industry, various new technologies and new processes are used to gradually replace the traditional extensive management methods. The cement technology revolution has not only represented advances in management, but has also represented technological improvements. For example, in the field of dry cement production, problems with production equipment are also highlighted. At present, wear-resistant castable is mostly adopted as a lining of a discharge pipe of a cement preheater, and the wear-resistant castable is small in compactness, rough in surface, easy to crust and difficult to clean. The inner lining of the blanking pipe is subject to the washing of high-temperature gas and high-temperature materials above 1200 ℃ for a long time, the inner wall of the cement blanking pipe is skinned, so that the effective operation space is reduced, the ventilation of the system is not smooth, the thermal stability of a cement kiln system is seriously influenced, the production and the quality are influenced, and even the kiln stopping treatment is required. The crust cleaning mainly adopts various modes such as blasting, water gun 27866, manual cleaning and the like, high-temperature and high-risk operation is performed, the cleaning is frequent, the occupied time is long, the maintenance cost is high, burn accidents are easy to occur, and the cleaning effect is not ideal. For years, the cement industry has repeated scaling out of control accidents, the loss is serious, the serious hidden danger of production is formed, and a solution is urgently needed to be found.
Disclosure of Invention
The invention aims to provide a method for manufacturing a microcrystal blanking tube, which can prevent the obtained anti-skinning microcrystal material adopted on the inner wall of the microcrystal blanking tube from reacting with a cement batch and from skinning, reduce the skinning cleaning work of the existing blanking tube and ensure the stability of the microcrystal blanking tube during use.
To achieve these objects and other advantages in accordance with the purpose of the invention, a method for manufacturing a microcrystal blanking tube is provided, which includes the steps of:
s1, finishing the processing of a blanking pipe shell, and arranging a heat insulation layer on the inner wall of the blanking pipe shell;
s2, coaxially placing a cylindrical lining cylinder in the blanking pipe shell, and fixedly connecting the cylindrical lining cylinder with the blanking pipe shell through a connecting assembly, wherein a gap is formed between the cylinder and the blanking pipe shell;
and S3, filling a microcrystal casting material in the gap, and after the microcrystal casting material is molded, preparing the microcrystal blanking pipe.
Preferably, in the manufacturing method of the microcrystal blanking tube, a plurality of positioning cylinders which are radially arranged along the inner wall of the shell of the blanking tube and penetrate through the heat insulation layer are uniformly distributed on the inner wall of the shell of the blanking tube, internal threads are arranged on the inner wall of each positioning cylinder, a plurality of through holes which are equal in number and correspond to the positioning cylinders one by one are arranged on the lining cylinder, positioning grooves are coaxially arranged on the inner side edges of the through holes, bolts which penetrate through the corresponding through holes are installed in the positioning cylinders in the internal threads, the heads of the bolts are abutted against the inner walls of the corresponding positioning grooves, and the plurality of positioning cylinders and the plurality of bolts jointly form the connecting component.
Preferably, in the manufacturing method of the microcrystal blanking tube, after the head of the bolt is abutted against the inner wall of the corresponding positioning groove, microcrystal high-temperature connecting agents are filled in the through hole and the groove, so that the inner wall of the lining cylinder is flat.
Preferably, in the manufacturing method of the microcrystal blanking tube, the lining cylinder is formed by vertically stacking a plurality of cylindrical sub-cylinders, each sub-cylinder is formed by coaxially splicing a plurality of fan-ring-shaped lining bricks, and the through holes are formed in the sub-cylinders.
Preferably, in the manufacturing method of the microcrystal blanking tube, the upper end of each sub-tube is coaxially provided with a fan-shaped first bulge, the lower end of each sub-tube is coaxially provided with a fan-shaped first groove, and when any two sub-tubes are stacked up and down, the bulge of the sub-tube positioned above is embedded in the groove of the sub-tube positioned below; and when any two sub-cylinders are horizontally connected, the second bulge of one sub-cylinder is embedded in the second groove of the other sub-cylinder.
Preferably, in the manufacturing method of the microcrystal blanking tube, the sub-tube is made of the anti-skinning microcrystal material, and the anti-skinning microcrystal material comprises the following components in parts by weight:
80-100 parts of silicon carbide, 10-20 parts of silicon nitride, 5-15 parts of boron nitride, 3-10 parts of zirconia, 5-10 parts of microcrystalline powder and 1-5 parts of glass beads.
Preferably, in the method for manufacturing the microcrystal blanking tube, the silicon carbide is formed by mixing silicon carbide particles and silicon carbide powder, wherein the particle size of the silicon carbide particles is 0.1-4mm, and the particle size of the silicon carbide powder is less than 100 μm.
Preferably, in the method for manufacturing the microcrystal blanking tube, the mass ratio of the silicon carbide particles to the silicon carbide powder is 5-8.
Preferably, in the method for manufacturing the microcrystal blanking tube, the grain size of the silicon nitride is not more than 10 μm.
Preferably, in the method for manufacturing the microcrystal discharging tube, the grain sizes of the zirconium oxide, the microcrystal powder and the glass beads are all between 30 and 80 μm.
The invention has the beneficial effects that:
1. the lining cylinder of the microcrystal blanking pipe is formed by combining a plurality of lining bricks, the shell of the blanking pipe and the lining cylinder are fixedly connected through the positioning assembly, and then microcrystal castable is filled in a gap between the shell of the blanking pipe and the lining cylinder, so that the whole processing flow is short, and the consumed time is short.
2. When the microcrystal blanking pipe is used, the anti-skinning microcrystal material adopted on the inner wall of the microcrystal blanking pipe does not react with the cement batch, so that the skinning condition can not occur, the skinning cleaning work of the existing blanking pipe is reduced, and the stability of the microcrystal blanking pipe in use is ensured.
3. The anti-skinning microcrystalline material adopted by the lining pipe has good high temperature resistance, thermal stability, wear resistance and acid and alkali resistance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a microcrystal blanking tube according to the invention;
fig. 2 is a schematic view at a in fig. 1.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a method for manufacturing a microcrystalline blanking pipe, including the following steps:
s1, finishing the processing of a blanking pipe shell 1, and arranging a heat insulation layer 2 on the inner wall of the blanking pipe shell 1;
s2, coaxially placing a cylindrical lining cylinder in the blanking pipe shell 1, and fixedly connecting the cylindrical lining cylinder with the blanking pipe shell 1 through a connecting component, wherein a gap is formed between the cylinder and the blanking pipe shell 1;
and S3, filling a microcrystalline pouring material 3 in the gap, and preparing the microcrystalline blanking pipe after the microcrystalline pouring material 3 is molded.
In the embodiment, the lining barrel is formed by combining a plurality of lining bricks, the connection and fixation between the discharging pipe shell 1 and the lining barrel are realized through the positioning assembly, and then the microcrystalline castable 3 is filled in the gap between the discharging pipe shell 1 and the lining barrel, so that the whole processing flow is short, and the consumed time is short. When the microcrystal blanking pipe obtained by processing is used, the anti-skinning microcrystal material adopted by the inner wall of the microcrystal blanking pipe does not react with the cement batch, so that the skinning condition is avoided, the skinning cleaning work of the existing blanking pipe is reduced, and the stability of the microcrystal blanking pipe in use is ensured.
Preferably, as another embodiment of the present invention, on the basis of the above embodiment, a plurality of positioning cylinders 4 radially arranged along the inner wall of the blanking tube housing 1 and penetrating through the heat insulating layer 2 are uniformly distributed on the inner wall of the blanking tube housing 1, inner threads are arranged on the inner wall of the positioning cylinders 4, a plurality of through holes 5 which are equal in number and correspond to the positioning cylinders 4 one by one are arranged on the inner lining, positioning grooves 6 are coaxially arranged on the inner side edges of the through holes 5, bolts 7 penetrating through the corresponding through holes 5 are installed in the inner threads of the positioning cylinders 4, the heads of the bolts 7 abut against the inner walls of the corresponding positioning grooves 6, and the plurality of positioning cylinders 4 and the plurality of bolts 7 jointly form the connecting assembly.
In this embodiment, through installing the screw rod screw thread of bolt 7 in the location section of thick bamboo 4 that corresponds, realize its and be connected of a location section of thick bamboo 4, the rethread is contradicted the head of threaded rod and the inner wall of constant head tank 6, has realized being connected between threaded rod, a location section of thick bamboo 4 and the interior bushing promptly to the realization is fixed through being connected between locating component realization interior bushing and the unloading pipe shell 1.
Preferably, as another embodiment of the present invention, after the head of the bolt 7 contacts with the inner wall of the corresponding positioning groove 6, the microcrystalline high temperature connection agent 8 is filled in the through hole 5 and the groove, so as to flatten the inner wall of the lining cylinder.
In the embodiment, the microcrystalline high-temperature connecting agent 8 is filled in the through hole 5 and the groove to enable the inner wall of the lining cylinder to be flat, so that the influence on the normal use of the lining cylinder due to the unevenness of the inner wall of the lining cylinder is avoided.
Preferably, as another embodiment of the present invention, the lining cylinder is formed by stacking a plurality of cylindrical sub-cylinders 9 up and down, the sub-cylinder 9 is formed by coaxially splicing a plurality of sector annular lining bricks, and the through holes 5 are formed on the sub-cylinders 9.
In this embodiment, interior lining section of thick bamboo is formed by the coaxial concatenation of a plurality of fan ring shape inside lining bricks, and the processing degree of difficulty of single inside lining brick is less than the processing degree of difficulty of whole cylindric interior lining section of thick bamboo to the whole processing degree of difficulty of the micrite unloading pipe that reduces can also prefabricate the inside lining brick simultaneously, when processing not unidimensional unloading pipe shell 1, can be according to the use amount of the height control inside lining brick of unloading pipe shell 1.
Preferably, as another embodiment of the present invention, the upper end of the sub-cylinder 9 is coaxially provided with a first fan-shaped protrusion, the lower end of the sub-cylinder 9 is coaxially provided with a first fan-shaped groove, when any two sub-cylinders 9 are stacked up and down, the protrusion of the sub-cylinder 9 located above is embedded in the groove of the sub-cylinder 9 located below; and one end of each sub-cylinder 9 is provided with a second bulge, the other end of each sub-cylinder is provided with a second groove corresponding to the second bulge, and when any two sub-cylinders 9 are horizontally connected, the second bulge of one sub-cylinder 9 is embedded in the second groove of the other sub-cylinder 9.
In this embodiment, the sub-cylinders 9 connected up and down are positioned by the first groove and the first protrusion, and the sub-cylinders 9 connected horizontally are positioned by the second groove and the second protrusion, so that on one hand, the stability of the lining cylinder is improved, and on the other hand, the splicing speed of the lining cylinder is also improved.
Preferably, as another embodiment of the invention, said sub-cartridge 9 is made of anti-skinning microcrystalline material comprising the following components in parts by weight:
80-100 parts of silicon carbide, 10-20 parts of silicon nitride, 5-15 parts of boron nitride, 3-10 parts of zirconium oxide, 5-10 parts of microcrystalline powder and 1-5 parts of glass beads.
The silicon carbide is formed by mixing silicon carbide particles and silicon carbide powder, wherein the particle size of the silicon carbide particles is 0.1-4mm, and the particle size of the silicon carbide powder is smaller than 100 mu m.
Wherein the mass ratio of the silicon carbide particles to the silicon carbide powder is 5-8.
Wherein the particle size of the silicon nitride is not more than 10 μm.
Wherein the particle sizes of the zirconia, the microcrystalline powder and the glass beads are all between 30 and 80 mu m.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The method for manufacturing the microcrystal blanking tube is characterized by comprising the following steps of:
s1, finishing the processing of a blanking pipe shell (1), and arranging a heat insulation layer (2) on the inner wall of the blanking pipe shell (1);
s2, coaxially placing a cylindrical lining cylinder in the blanking pipe shell (1), and fixedly connecting the cylindrical lining cylinder with the blanking pipe shell (1) through a connecting component, wherein a gap is formed between the cylinder and the blanking pipe shell (1);
s3, filling a microcrystal casting material (3) in the gap, and preparing the microcrystal blanking pipe after the microcrystal casting material (3) is formed.
2. The manufacturing method of the microcrystal blanking tube according to claim 1, characterized in that a plurality of positioning cylinders (4) which are arranged along the radial direction and penetrate through the heat insulation layer (2) are uniformly distributed on the inner wall of the blanking tube shell (1), internal threads are arranged on the inner wall of the positioning cylinders (4), a plurality of through holes (5) which are equal in number and correspond to the positioning cylinders (4) in one-to-one manner are arranged on the lining cylinder, positioning grooves (6) are coaxially arranged at the inner side edges of the through holes (5), bolts (7) which penetrate through the corresponding through holes (5) are arranged in the internal threads of the positioning cylinders (4), the heads of the bolts (7) are abutted against the inner walls of the corresponding positioning grooves (6), and the plurality of positioning cylinders (4) and the plurality of bolts (7) jointly form the connecting assembly.
3. The manufacturing method of the microcrystal blanking tube according to claim 2, characterized in that after the head of the bolt (7) is abutted against the inner wall of the corresponding positioning groove (6), microcrystal high-temperature connecting agent (8) is filled in the through hole (5) and the groove, so that the inner wall of the lining cylinder is flat.
4. The manufacturing method of the microcrystal blanking tube is characterized in that the lining cylinder is formed by vertically stacking a plurality of cylindrical sub-cylinders (9), the sub-cylinders (9) are formed by coaxially splicing a plurality of fan-ring-shaped lining bricks, and the sub-cylinders (9) are provided with the through holes (5).
5. The manufacturing method of the microcrystal blanking tube is characterized in that the upper end of the sub-tube (9) is coaxially provided with a fan-shaped first bulge, the lower end of the sub-tube is coaxially provided with a fan-shaped first groove, and when any two sub-tubes (9) are stacked up and down, the bulge of the sub-tube (9) positioned above is embedded in the groove of the sub-tube (9) positioned below; and one end of each sub-cylinder (9) is provided with a second protrusion, the other end of each sub-cylinder is provided with a second groove corresponding to the second protrusion, and when any two sub-cylinders (9) are horizontally connected, the second protrusion of one sub-cylinder (9) is embedded in the second groove of the other sub-cylinder (9).
6. The method for manufacturing the microcrystal blanking tube according to claim 4, characterized in that the sub-tube (9) is made of anti-skinning microcrystal material, which comprises the following components in parts by weight:
80-100 parts of silicon carbide, 10-20 parts of silicon nitride, 5-15 parts of boron nitride, 3-10 parts of zirconia, 5-10 parts of microcrystalline powder and 1-5 parts of glass beads.
7. The method as claimed in claim 6, wherein the silicon carbide is prepared by mixing silicon carbide particles and silicon carbide powder, wherein the particle size of the silicon carbide particles is 0.1-4mm, and the particle size of the silicon carbide powder is less than 100 μm.
8. The method for manufacturing the microcrystal blanking tube according to claim 6, wherein the mass ratio of the silicon carbide particles to the silicon carbide powder is 5-8.
9. The method for manufacturing a microcrystal blanking tube according to claim 6, characterized in that the grain size of the silicon nitride is not more than 10 μm.
10. The method for manufacturing a microcrystal blanking tube according to claim 6, characterized in that the grain sizes of the zirconia, the microcrystal powder and the glass micro-beads are all between 30 and 80 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342786.6A CN115636678A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing microcrystal blanking tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342786.6A CN115636678A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing microcrystal blanking tube |
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| Publication Number | Publication Date |
|---|---|
| CN115636678A true CN115636678A (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211342786.6A Withdrawn CN115636678A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing microcrystal blanking tube |
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| CN (1) | CN115636678A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207019464U (en) * | 2017-07-24 | 2018-02-16 | 郑州中本耐火科技股份有限公司 | Rotary kiln novel heat-insulation multiple spot secure liner structure |
| CN213713976U (en) * | 2020-11-13 | 2021-07-16 | 晶牛微晶集团股份有限公司 | Integral visible microcrystal blanking pipe |
| CN214308179U (en) * | 2021-02-24 | 2021-09-28 | 晶牛微晶集团股份有限公司 | Integral microcrystal necking |
| CN113716969A (en) * | 2021-08-31 | 2021-11-30 | 浙江锦诚新材料股份有限公司 | Mullica anti-skinning castable and preparation method of prefabricated part |
| CN216591782U (en) * | 2021-11-29 | 2022-05-24 | 武安市新峰水泥有限责任公司 | Novel blanking pipe |
| CN216763074U (en) * | 2021-12-30 | 2022-06-17 | 莱州元贞耐火材料有限公司 | Split type unloading pipe |
-
2022
- 2022-10-31 CN CN202211342786.6A patent/CN115636678A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207019464U (en) * | 2017-07-24 | 2018-02-16 | 郑州中本耐火科技股份有限公司 | Rotary kiln novel heat-insulation multiple spot secure liner structure |
| CN213713976U (en) * | 2020-11-13 | 2021-07-16 | 晶牛微晶集团股份有限公司 | Integral visible microcrystal blanking pipe |
| CN214308179U (en) * | 2021-02-24 | 2021-09-28 | 晶牛微晶集团股份有限公司 | Integral microcrystal necking |
| CN113716969A (en) * | 2021-08-31 | 2021-11-30 | 浙江锦诚新材料股份有限公司 | Mullica anti-skinning castable and preparation method of prefabricated part |
| CN216591782U (en) * | 2021-11-29 | 2022-05-24 | 武安市新峰水泥有限责任公司 | Novel blanking pipe |
| CN216763074U (en) * | 2021-12-30 | 2022-06-17 | 莱州元贞耐火材料有限公司 | Split type unloading pipe |
Non-Patent Citations (1)
| Title |
|---|
| 王长林等: "晶核新材在水泥行业中的应用实验与思考", 《中国建材》 * |
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Application publication date: 20230124 |