CN104406010A - Pouring type flue gas insulation tube for submerged arc furnace - Google Patents
Pouring type flue gas insulation tube for submerged arc furnace Download PDFInfo
- Publication number
- CN104406010A CN104406010A CN201410580907.XA CN201410580907A CN104406010A CN 104406010 A CN104406010 A CN 104406010A CN 201410580907 A CN201410580907 A CN 201410580907A CN 104406010 A CN104406010 A CN 104406010A
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- Prior art keywords
- castable
- main body
- cavity
- steel pipe
- annular
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a pouring type flue gas insulation tube for a submerged arc furnace. The pouring type flue gas insulation tube comprises a steel tube main body, wherein a vacuum cavity and a castable accommodating cavity are arranged in the tube wall of the steel tube main body; the shape of the vacuum cavity and the shape of the castable accommodating cavity correspond to the shape of the steel tube main body; the vacuum cavity and the castable accommodating cavity are coaxial, and the distance from the castable accommodating cavity to the inner tube wall of the steel tube main body is smaller than that from the vacuum cavity to the inner tube wall of the steel tube main body; a first refractory castable injection hole and a second refractory castable injection hole are formed in the tube wall of the steel tube main body; the first castable injection hole and the second castable injection hole are communicated with the castable accommodating cavity; an annular embedding groove is formed in one end of the tube wall of the steel tube main body, and an annular embedding arm is arranged at the other end of the tube wall of the steel tube main body; the outer diameter of the annular embedding arm corresponds to the inner diameter of the annular embedding groove; the thickness of the annular embedding arm corresponds to the width of the annular embedding groove. Permeation holes are formed in the inner tube wall of the steel tube main body, and are communicated with the castable accommodating cavity.
Description
Technical field
The present invention relates to pipeline heat-insulating technology field, particularly a kind of pouring type mineral heating furnace flue thermal insulation pipe.
Background technique
The simple thermal insulating material of the many employings of existing mineral heating furnace flue insulation pipe carries out pipe insulation, because thermal insulating material does not possess intensity, in long running, can occur that pipeline is inhaled flat; Coming off due to thermal insulating material, reduces flue-gas temperature, fume afterheat generating efficiency is obviously reduced simultaneously.
Summary of the invention
In view of this, be necessary to provide a kind of high insulating effect and the pouring type mineral heating furnace flue thermal insulation pipe of long service life.
A kind of pouring type mineral heating furnace flue thermal insulation pipe, comprise steel pipe main body, vacuum cavity and castable collecting cavity is provided with in the tube wall of steel pipe main body, vacuum cavity, the shape of castable collecting cavity is corresponding with the shape of steel pipe main body, vacuum cavity, castable collecting cavity is coaxial, and castable collecting cavity is less than the distance of vacuum cavity to the inner tubal wall of steel pipe main body to the distance of the inner tubal wall of steel pipe main body, the tube wall of steel pipe main body is provided with the first castable refractory hand-hole and the second castable refractory hand-hole, first castable refractory hand-hole and the second castable refractory hand-hole are accommodated cavity with castable and are communicated with, one end of the tube wall of steel pipe main body is provided with annular embedded groove, the other end of the tube wall of steel pipe main body is provided with annular and embeds arm, the external diameter that annular embeds arm is corresponding with the internal diameter of annular embedded groove, the thickness that annular embeds arm is corresponding with the width of annular embedded groove.The inner tubal wall of steel pipe main body offers permeability hole, and permeability hole and castable are accommodated cavity and are communicated with.
Above-mentioned pouring type mineral heating furnace flue thermal insulation pipe, vacuum cavity is provided with in the tube wall of steel pipe main body, the shape of vacuum cavity is corresponding with the shape of steel pipe main body, and castable collecting cavity is set in pouring type mineral heating furnace flue thermal insulation pipe, so castable refractory can be injected castable collecting cavity, after castable refractory note oozes out from the permeability hole of castable collecting cavity, floating by workmen again, and finally on the inner tubal wall of steel pipe main body, form one deck castable protective layer, so can ensure that pipeline outer wall temperature (under normal temperature state) is lower than 50 DEG C, effectively can ensure that the flue-gas temperature in pouring type mineral heating furnace flue thermal insulation pipe can not reduce, in addition, because pouring type mineral heating furnace flue thermal insulation pipe is steel design, ensure that the thermal insulation layer people in running after having constructed can enter in pipeline and carry out inspection deashing, and do not trampled on breakage, the working life of thermal insulation layer reaches more than 10 years.
Accompanying drawing explanation
Accompanying drawing 1 is the cross-sectional view of the pouring type mineral heating furnace flue thermal insulation pipe of a better embodiment.
Accompanying drawing 2 is the structural representation of steel pipe main body in the pouring type mineral heating furnace flue thermal insulation pipe in Fig. 1.
Accompanying drawing 3 is the structural representation of another angle of steel pipe main body in the pouring type mineral heating furnace flue thermal insulation pipe in Fig. 1.
In figure: pouring type mineral heating furnace flue thermal insulation pipe 10, steel pipe main body 11, tube wall 110, inner tubal wall 1100, first castable refractory hand-hole 1101, second castable refractory hand-hole 1102, adiabatic gum hand-hole 1103, vacuum cavity 111, annular embedded groove 112, outer side wall 1120, annular embeds arm 113, outer wall 1130, adiabatic gum collecting circular groove 114, adiabatic gum collecting circular groove 115, castable collecting cavity 120, isolation arm 130, isolation arm 140, aluminum silicate layer 32, chain link fence 33, asbestos slate 34, ceramic fiber layer 35, first shape-V thread dog 360, second shape-V thread dog 361.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, pouring type mineral heating furnace flue thermal insulation pipe 10 comprises steel pipe main body 11, vacuum cavity 111 and castable collecting cavity 120 is provided with in the tube wall 110 of steel pipe main body 11, vacuum cavity 111, the shape of castable collecting cavity 120 is corresponding with the shape of steel pipe main body 11, vacuum cavity 111, castable collecting cavity 120 is coaxial, and castable collecting cavity 120 is less than to the distance of the inner tubal wall 1100 of steel pipe main body 11 distance that vacuum cavity 111 arrives the inner tubal wall 1100 of steel pipe main body 11, the tube wall 110 of steel pipe main body 11 is provided with the first castable refractory hand-hole 1101 and the second castable refractory hand-hole 1102, first castable refractory hand-hole 1101 and the second castable refractory hand-hole 1102 are accommodated cavity 120 with castable and are communicated with, the inner tubal wall 1100 of steel pipe main body 11 offers permeability hole 121, permeability hole 121 and castable are accommodated cavity 120 and are communicated with.Wherein, castable refractory can be the thick liquid adopting phenolic resin and organic solvent and other refractory powders to mix, castable refractory injects castable collecting cavity 120 by the first castable refractory hand-hole 1101 and the second castable refractory hand-hole 1102, and is extruded and oozes out from permeability hole 121.One end of the tube wall 110 of steel pipe main body 11 is provided with annular embedded groove 112, the other end of the tube wall 110 of steel pipe main body 11 is provided with annular and embeds arm 113, the external diameter that annular embeds arm 113 is corresponding with the internal diameter of annular embedded groove 112, and the thickness that annular embeds arm 113 is corresponding with the width of annular embedded groove 112.So, two joint pouring type mineral heating furnace flue thermal insulation pipes 10 can embed arm 113 by respective annular embedded groove 112, annular mutually
Wherein, the first castable refractory hand-hole 1101, through after the isolation arm 130 vacuum cavity 111 and annular embedded groove 112, is accommodated cavity 120 with castable and is communicated with; Second castable refractory hand-hole 1102 is communicated with through accommodating cavity 120 with castable after vacuum cavity 111 and the annular isolation arm 140 embedded arm 113.
Further, the outer wall 1130 of annular embedding arm 113 is provided with adiabatic gum collecting circular groove 114, the outer side wall 1120 of annular embedded groove 112 is arranged adiabatic gum collecting circular groove 115, the tube wall 110 of steel pipe main body 11 is provided with adiabatic gum hand-hole 1103, and adiabatic gum hand-hole 1103 is accommodated circular groove 115 with the adiabatic gum on the outer side wall 1120 of annular embedded groove 112 and is communicated with.
Above-mentioned pouring type mineral heating furnace flue thermal insulation pipe 10, vacuum cavity 111 is provided with in the tube wall 110 of steel pipe main body 11, the shape of vacuum cavity 111 is corresponding with the shape of steel pipe main body 11, and castable collecting cavity 120 is set in pouring type mineral heating furnace flue thermal insulation pipe 10, so castable refractory can be injected castable collecting cavity 120, after castable refractory note oozes out from the permeability hole 121 of castable collecting cavity 120, floating by workmen again, and finally on the inner tubal wall 1100 of steel pipe main body 11, form one deck castable protective layer, so can ensure that pipeline outer wall temperature (under normal temperature state) is lower than 50 DEG C, effectively can ensure that the flue-gas temperature in pouring type mineral heating furnace flue thermal insulation pipe 10 can not reduce, in addition, because pouring type mineral heating furnace flue thermal insulation pipe 10 is steel design, ensure that the thermal insulation layer people in running after having constructed can enter in pipeline and carry out inspection deashing, and do not trampled on breakage, the working life of thermal insulation layer reaches more than 10 years.
As described above, be only preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence namely generally done according to the present patent application the scope of the claims and invention description content changes and modifies, and all still remains within the scope of the patent.
Claims (3)
1. a pouring type mineral heating furnace flue thermal insulation pipe, comprise steel pipe main body, it is characterized in that: in the tube wall of steel pipe main body, be provided with vacuum cavity and castable collecting cavity, vacuum cavity, the shape of castable collecting cavity is corresponding with the shape of steel pipe main body, vacuum cavity, castable collecting cavity is coaxial, and castable collecting cavity is less than the distance of vacuum cavity to the inner tubal wall of steel pipe main body to the distance of the inner tubal wall of steel pipe main body, the tube wall of steel pipe main body is provided with the first castable refractory hand-hole and the second castable refractory hand-hole, first castable refractory hand-hole and the second castable refractory hand-hole are accommodated cavity with castable and are communicated with, one end of the tube wall of steel pipe main body is provided with annular embedded groove, the other end of the tube wall of steel pipe main body is provided with annular and embeds arm, the external diameter that annular embeds arm is corresponding with the internal diameter of annular embedded groove, the thickness that annular embeds arm is corresponding with the width of annular embedded groove, the inner tubal wall of steel pipe main body offers permeability hole, and permeability hole and castable are accommodated cavity and are communicated with.
2. pouring type mineral heating furnace flue thermal insulation pipe as claimed in claim 1, it is characterized in that: the outer wall of annular embedding arm is provided with adiabatic gum collecting circular groove, the outer side wall of annular embedded groove is arranged adiabatic gum collecting circular groove, the tube wall of steel pipe main body is provided with adiabatic gum hand-hole, adiabatic gum hand-hole is accommodated circular groove with the adiabatic gum on the outer side wall of annular embedded groove and is communicated with.
3. pouring type mineral heating furnace flue thermal insulation pipe as claimed in claim 1, it is characterized in that: the first castable refractory hand-hole is through after the isolation arm vacuum cavity and annular embedded groove, accommodate cavity with castable to be communicated with, the second castable refractory hand-hole is communicated with through accommodating cavity with castable after vacuum cavity and the annular isolation arm embedded arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580907.XA CN104406010B (en) | 2014-10-27 | 2014-10-27 | Pouring type mineral heating furnace flue insulating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580907.XA CN104406010B (en) | 2014-10-27 | 2014-10-27 | Pouring type mineral heating furnace flue insulating tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104406010A true CN104406010A (en) | 2015-03-11 |
| CN104406010B CN104406010B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410580907.XA Active CN104406010B (en) | 2014-10-27 | 2014-10-27 | Pouring type mineral heating furnace flue insulating tube |
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| CN (1) | CN104406010B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138860A1 (en) * | 1980-10-04 | 1982-05-19 | Basf Ag, 6700 Ludwigshafen | Flange connections |
| US5908492A (en) * | 1996-12-24 | 1999-06-01 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Thermally insulated adsorber |
| CN102979994A (en) * | 2012-11-30 | 2013-03-20 | 宁夏天纵泓光节能余热技术有限公司 | Method for manufacturing electric arc furnace fume heat insulating pipe and electric arc furnace fume heat insulating pipe |
| CN203068540U (en) * | 2012-12-11 | 2013-07-17 | 上海瑞恩能源投资有限公司 | High-temperature abrasion-resistant smoke tube thermal insulation structure |
| CN203671146U (en) * | 2013-12-06 | 2014-06-25 | 安徽科达洁能股份有限公司 | Heat-preserving pipeline |
-
2014
- 2014-10-27 CN CN201410580907.XA patent/CN104406010B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138860A1 (en) * | 1980-10-04 | 1982-05-19 | Basf Ag, 6700 Ludwigshafen | Flange connections |
| US5908492A (en) * | 1996-12-24 | 1999-06-01 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Thermally insulated adsorber |
| CN102979994A (en) * | 2012-11-30 | 2013-03-20 | 宁夏天纵泓光节能余热技术有限公司 | Method for manufacturing electric arc furnace fume heat insulating pipe and electric arc furnace fume heat insulating pipe |
| CN203068540U (en) * | 2012-12-11 | 2013-07-17 | 上海瑞恩能源投资有限公司 | High-temperature abrasion-resistant smoke tube thermal insulation structure |
| CN203671146U (en) * | 2013-12-06 | 2014-06-25 | 安徽科达洁能股份有限公司 | Heat-preserving pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 李伟等: "碳素厂余热发电投用后管道保温改造", 《水泥》, no. 12, 31 December 2011 (2011-12-31), pages 47 - 48 * |
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| Publication number | Publication date |
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| CN104406010B (en) | 2016-08-24 |
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Address after: 750002 Yinchuan Ningfeng District, Ningxia 490, Yinchuan IBI breeding center two phase 10, 3 floor 301 room. Patentee after: Ningxia renle Hongguang cogeneration technology Limited by Share Ltd Address before: 750021 the Ningxia Hui Autonomous Region Yinchuan Xixia Industrial Park Jin Bo South Road Chuangxin crane hospital Patentee before: Ningxia Tianzong Hongguang Cogeneration Technology Co., Ltd. |
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