CN105072713A - Heating pipe high temperature-resistant sealing structure and operation method - Google Patents
Heating pipe high temperature-resistant sealing structure and operation method Download PDFInfo
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- CN105072713A CN105072713A CN201510565292.8A CN201510565292A CN105072713A CN 105072713 A CN105072713 A CN 105072713A CN 201510565292 A CN201510565292 A CN 201510565292A CN 105072713 A CN105072713 A CN 105072713A
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Abstract
The invention relates to a heating pipe high temperature-resistant sealing structure and an operation method and belongs to the heating element technical field. The heating pipe high temperature-resistant sealing structure comprises a high-temperature glue filling layer and a fixed glue filling layer. According to the operation method, filling can be completed through steps such as mixing, filling, standing and drying and curing. The heating pipe high temperature-resistant sealing structure has the advantages of firm sealing, high temperature resistance and prevention of modification of a heat insulation layer.
Description
Technical field
The present invention relates to heating element technical field, be specifically related to the high temperature resistant enclosuring structure of heating tube and method of operation.
Background technology
Traditional heating tube adopts magnesium oxide as sealing and heat-barrier material, because magnesium oxide has extremely fireproof insulation property, thus comparatively suitable; But when magnesium oxide exposes in atmosphere, easy absorption moisture and carbon dioxide and become (790 DEG C, 540 DEG C) labile basic magnesium carbonate and magnesium carbonate under the high temperature conditions gradually, thus lose its due insulation property and resistance to elevated temperatures, make heating tube limited for useful life.
Summary of the invention
Object of the present invention is to solve the problem, and provides a kind of and seals firmly, the high temperature resistant enclosuring structure of heating tube of waterproof heat-resisting and method of operation.
The technical scheme that the present invention solves the problem is as follows:
Heating tube is high temperature resistant enclosuring structure, comprise the high-temp glue packed layer be positioned at inside heating tube sealing part and the fixing glue packed layer be positioned at outside heating tube sealing part high-temp glue packed layer, described high-temp glue packed layer and fixing glue packed layer are combined closely; The inner side of high-temp glue packed layer is connected with thermal insulation layer, and fixing glue packed layer and heating tube sealing part inwall are fitted completely.
High-temp glue packed layer has elasticity, can preferably and the inwall of sealing part fit, there is the effect of waterproof simultaneously, can effectively prevent thermal insulation layer the magnesium oxide moisture absorption go bad; Fixing glue packed layer intensity is large, prevents extraction electrode from offset, when extraction electrode offsets to guard shield, the punch-through of the generation because voltage increases easily occurs, and fixing glue packed layer can also the accessory such as fixed sheath.
Preferred as technique scheme, the thickness proportion of described high-temp glue packed layer and fixing glue packed layer is 1:1-4.
Preferred as technique scheme, described heating tube sealing part is columned cavity, and high-temp glue packed layer and fixing glue packed layer are filled in heating tube sealing part successively.
Preferred as technique scheme, described heating tube sealing part comprises the two parts being spaced apart and, every part pillared cavity of shape respectively, high-temp glue packed layer and fixing glue packed layer are filled in the cylindrical cavity of every part successively, and in two parts, high-temp glue packed layer is consistent with the thickness proportion of fixing glue packed layer.
Being divided into two-part heating tube sealing part makes heating tube more easily insert and take out, and due to the resilience force of the every part of heating tube, is that heating tube itself is more abundant with medium contact to be heated, improves the efficiency of heating surface.
The method of operation of heating tube is high temperature resistant enclosuring structure, comprises the steps:
1. high-temp glue-mixing: by diluent and silicate powder according to 1:1.8-2(weight ratio) ratio mix;
2. high-temp glue-filling: the sealing part high-temp glue mixed being filled in 30 minutes heating tube;
3. high-temp glue-leave standstill: the heating tube of populated high-temp glue is left standstill more than 2 hours in room temperature;
4. high-temp glue-baking-curing: be placed in heater by the heating tube of populated high-temp glue, is warming up to 35 ~ 45 DEG C of solidifications 1.5 ~ 2 hours, then is warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 100 DEG C-110 DEG C solidification 4-5 hour again, be cooled to room temperature with heater and take out;
5. fixing glue-mixing: by silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:10-20(weight ratio) ratio mix;
6. fixing glue-filling: the fixing glue mixed to be filled in 30 minutes in heating tube sealing part after high-temp glue filling part;
7. fixing glue-leave standstill: the heating tube of populated fixing glue is left standstill more than 8 hours in room temperature;
8. fixing glue-baking-curing: be placed in heater by the heating tube of populated fixing glue, is warming up to 170-190 DEG C of solidification 7.5-8.5 hour, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 140-160 DEG C of solidification 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
Preferred as technique scheme, step 1. with step 5. before also comprise the step treated and fill surface and carry out cleaning, make surface cleaning to be filled, drying.
Preferred as technique scheme, step 4. in, if air humidity is greater than 75%, be then first warming up to 35 ~ 45 DEG C of solidifications 3 hours, then be warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 100 DEG C-110 DEG C solidification 4-5 hour again, be cooled to room temperature with heater and take out.
Preferred as technique scheme, 5. step is: the white powder form silicate, magnesium oxide, phosphate and boric acid and water are according to 100:15(weight ratio) ratio mix.
Preferred as technique scheme, 8. step is: be placed in heater by the heating tube of populated fixing glue, is warming up to 180 DEG C of solidifications 8 hours, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 150 DEG C of solidifications 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
Preferred as technique scheme, step 1. in diluent be one in dimethicone, dimethylbenzene, dimethyl carbonate, paraffin oil.
In sum, the present invention has following beneficial effect:
1. the sealing of heating tube of the present invention high temperature resistant enclosuring structure is firm, high temperature resistant, placement thermal insulation layer is rotten;
2. the method for operation of the high temperature resistant enclosuring structure of heating tube of the present invention is simple, makes enclosuring structure more solid and reliable.
Accompanying drawing explanation
Fig. 1 is the high temperature resistant enclosuring structure schematic diagram of heating tube described in embodiment 1;
Fig. 2 is the high temperature resistant enclosuring structure schematic diagram of heating tube described in embodiment 2;
Fig. 3 position heating tube high temperature resistant enclosuring structure method of operation schematic diagram;
In figure, 1-heating tube sealing part, 2-high-temp glue packed layer, 3-fixing glue packed layer, 4-thermal insulation layer.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Embodiment in the present invention, those of ordinary skill in the art, not doing other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with accompanying drawing, with embodiment, the present invention is described in detail.
Embodiment 1: with reference to figure 1, heating tube is high temperature resistant enclosuring structure, comprise the high-temp glue packed layer 2 be positioned at inside heating tube sealing part 1 and the fixing glue packed layer 3 be positioned at outside heating tube sealing part 1 high-temp glue packed layer 2, described high-temp glue packed layer 2 is combined closely with fixing glue packed layer 3; The inner side of high-temp glue packed layer 2 is connected with thermal insulation layer 4, and fixing glue packed layer 3 and heating tube sealing part 1 inwall are fitted completely.
Described high-temp glue packed layer 2 is 1:1 with the thickness proportion of fixing glue packed layer 3.
Described heating tube sealing part 1 is columned cavity, and high-temp glue packed layer 2 and fixing glue packed layer 3 are filled in heating tube sealing part 1 successively.
Embodiment 2: with reference to figure 2, heating tube is high temperature resistant enclosuring structure, comprise the high-temp glue packed layer 2 be positioned at inside heating tube sealing part 1 and the fixing glue packed layer 3 be positioned at outside heating tube sealing part 1 high-temp glue packed layer 2, described high-temp glue packed layer 2 is combined closely with fixing glue packed layer 3; The inner side of high-temp glue packed layer 2 is connected with thermal insulation layer 4, and fixing glue packed layer 3 and heating tube sealing part 1 inwall are fitted completely.
Described high-temp glue packed layer 2 is 1:4 with the thickness proportion of fixing glue packed layer 3.
Described heating tube sealing part 1 comprises the two parts being spaced apart and, every part pillared cavity of shape respectively, high-temp glue packed layer 2 and fixing glue packed layer 3 are filled in the cylindrical cavity of every part successively, and in two parts, high-temp glue packed layer 2 is 1:4 with the thickness proportion of fixing glue packed layer 3.
Embodiment 3: with reference to figure 3, the method for operation of heating tube is high temperature resistant enclosuring structure, comprises the steps:
1. high-temp glue-mixing: by dimethylbenzene and silicate powder according to 1:1.8(weight ratio) ratio mix;
2. high-temp glue-filling: the sealing part high-temp glue mixed being filled in 30 minutes heating tube;
3. high-temp glue-leave standstill: the heating tube of populated high-temp glue is left standstill more than 2 hours in room temperature;
4. high-temp glue-baking-curing: be placed in heater by the heating tube of populated high-temp glue, is warming up to 35 DEG C of solidifications 2 hours, then is warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 100 DEG C of solidifications 5 hours again, be cooled to room temperature with heater and take out, if air humidity is greater than 75%, be then first warming up to 35 DEG C of solidifications 3 hours, then be warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 100 DEG C of solidifications 5 hours again, be cooled to room temperature with heater and take out;
5. fixing glue-mixing: by silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:15(weight ratio) ratio mix;
6. fixing glue-filling: the fixing glue mixed to be filled in 30 minutes in heating tube sealing part after high-temp glue filling part;
7. fixing glue-leave standstill: the heating tube of populated fixing glue is left standstill more than 8 hours in room temperature;
8. fixing glue-baking-curing: be placed in heater by the heating tube of populated fixing glue, is warming up to 180 DEG C of solidifications 8 hours, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 150 DEG C of solidifications 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
Embodiment 4: with reference to figure 3, the method for operation of heating tube is high temperature resistant enclosuring structure, comprises the steps:
1. high-temp glue-mixing: by dimethicone and silicate powder according to 1:2(weight ratio) ratio mix;
2. high-temp glue-filling: the sealing part high-temp glue mixed being filled in 30 minutes heating tube;
3. high-temp glue-leave standstill: the heating tube of populated high-temp glue is left standstill more than 2 hours in room temperature;
4. high-temp glue-baking-curing: be placed in heater by the heating tube of populated high-temp glue, is warming up to 45 DEG C of solidifications 1.5 hours, then is warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 110 DEG C of solidifications 4 hours again, be cooled to room temperature with heater and take out;
5. fixing glue-mixing: by silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:10(weight ratio) ratio mix;
6. fixing glue-filling: the fixing glue mixed to be filled in 30 minutes in heating tube sealing part after high-temp glue filling part;
7. fixing glue-leave standstill: the heating tube of populated fixing glue is left standstill more than 8 hours in room temperature;
8. fixing glue-baking-curing: be placed in heater by the heating tube of populated fixing glue, is warming up to 170 DEG C of solidifications 8.5 hours, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 140 DEG C of solidifications 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
Embodiment 5: with reference to figure 3, the method for operation of heating tube is high temperature resistant enclosuring structure, comprises the steps:
1. high-temp glue-mixing: treat filling surface and clean; By dimethylbenzene and silicate powder according to 1:1.8(weight ratio) ratio mix;
2. high-temp glue-filling: the sealing part high-temp glue mixed being filled in 30 minutes heating tube;
3. high-temp glue-leave standstill: the heating tube of populated high-temp glue is left standstill more than 2 hours in room temperature;
4. high-temp glue-baking-curing: be placed in heater by the heating tube of populated high-temp glue, is warming up to 35 DEG C of solidifications 2 hours, then is warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 110 DEG C of solidifications 4 hours again, be cooled to room temperature with heater and take out, if air humidity is greater than 75%, be then first warming up to 35 DEG C of solidifications 3 hours, then be warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 110 DEG C of solidifications 4 hours again, be cooled to room temperature with heater and take out;
5. fixing glue-mixing: treat filling surface and clean; By silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:20(weight ratio) ratio mix;
6. fixing glue-filling: the fixing glue mixed to be filled in 30 minutes in heating tube sealing part after high-temp glue filling part;
7. fixing glue-leave standstill: the heating tube of populated fixing glue is left standstill more than 8 hours in room temperature;
8. fixing glue-baking-curing: be placed in heater by the heating tube of populated fixing glue, is warming up to 190 DEG C of solidifications 7.5 hours, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 160 DEG C of solidifications 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
Claims (10)
1. the high temperature resistant enclosuring structure of heating tube, it is characterized in that: comprise the high-temp glue packed layer (2) being positioned at heating tube sealing part (1) inner side and the fixing glue packed layer (3) being positioned at heating tube sealing part (1) high-temp glue packed layer (2) outside, described high-temp glue packed layer (2) and fixing glue packed layer (3) are combined closely; The inner side of high-temp glue packed layer (2) is connected with thermal insulation layer (4), and fixing glue packed layer (3) is fitted mutually entirely with heating tube sealing part (1) inwall.
2. the high temperature resistant enclosuring structure of heating tube according to claim 1, is characterized in that: described high-temp glue packed layer (2) is 1:1-4 with the thickness proportion of fixing glue packed layer (3).
3. the high temperature resistant enclosuring structure of heating tube according to claim 1, is characterized in that: described heating tube sealing part (1) is columned cavity, and high-temp glue packed layer (2) and fixing glue packed layer (3) are filled in heating tube sealing part (1) successively.
4. the high temperature resistant enclosuring structure of heating tube according to claim 1, it is characterized in that: described heating tube sealing part (1) comprises the two parts being spaced apart and, every part pillared cavity of shape respectively, high-temp glue packed layer (2) and fixing glue packed layer (3) are filled in the cylindrical cavity of every part successively, and in two parts, high-temp glue packed layer (2) is consistent with the thickness proportion of fixing glue packed layer (3).
5. the method for operation of the high temperature resistant enclosuring structure of heating tube, is characterized in that: comprise the steps:
High-temp glue-mixing: by diluent and silicate powder according to 1:1.8-2(weight ratio) ratio mix;
High-temp glue-filling: the sealing part high-temp glue mixed being filled in 30 minutes heating tube;
High-temp glue-leave standstill: the heating tube of populated high-temp glue is left standstill more than 2 hours in room temperature;
High-temp glue-baking-curing: be placed in heater by the heating tube of populated high-temp glue, is warming up to 35 ~ 45 DEG C of solidifications 1.5 ~ 2 hours, then is warming up to 65 DEG C of solidifications 1 hour; Finally be warming up to 100 DEG C-110 DEG C solidification 4-5 hour again, be cooled to room temperature with heater and take out;
Fixing glue-mixing: by silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:10-20(weight ratio) ratio mix;
Fixing glue-filling: the fixing glue mixed to be filled in 30 minutes in heating tube sealing part after high-temp glue filling part;
Fixing glue-leave standstill: the heating tube of populated fixing glue is left standstill more than 8 hours in room temperature;
Fixing glue-baking-curing: be placed in heater by the heating tube of populated fixing glue, is warming up to 170-190 DEG C of solidification 7.5-8.5 hour, smears silicone oil after taking-up at fixing glue surface uniform; Enter heater again and be warming up to 140-160 DEG C of solidification 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
6. the method for operation of the high temperature resistant enclosuring structure of heating tube according to claim 5, is characterized in that: 5. 1. step also comprise with step the step treated and fill surface and carry out cleaning before, makes surface cleaning to be filled, drying.
7. the method for operation of the high temperature resistant enclosuring structure of heating tube according to claim 5, is characterized in that: step 4. in, if air humidity is greater than 75%, then be first warming up to 35 ~ 45 DEG C solidification 3 hours, then be warming up to 65 DEG C solidification 1 hour; Finally be warming up to 100 DEG C-110 DEG C solidification 4-5 hour again, be cooled to room temperature with heater and take out.
8. the method for operation of the high temperature resistant enclosuring structure of heating tube according to claim 5, is characterized in that: 5. step is: by silicate, magnesium oxide, phosphate and boric acid form white powder and water according to 100:15(weight ratio) ratio mix.
9. the method for operation of the high temperature resistant enclosuring structure of heating tube according to claim 5, it is characterized in that: 8. step is: the heating tube of populated fixing glue is placed in heater, be warming up to 180 DEG C of solidifications 8 hours, after taking-up, smear silicone oil at fixing glue surface uniform; Enter heater again and be warming up to 150 DEG C of solidifications 2 hours, stop heating, cool to room temperature after 12 hours with the furnace and take out.
10. the method for operation of the high temperature resistant enclosuring structure of heating tube according to claim 5, is characterized in that: step 1. in diluent be one in dimethicone, dimethylbenzene, dimethyl carbonate, paraffin oil.
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| CN201510565292.8A CN105072713B (en) | 2015-09-08 | 2015-09-08 | Heating pipe high temperature-resistant sealing structure and operation method |
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| CN201510565292.8A CN105072713B (en) | 2015-09-08 | 2015-09-08 | Heating pipe high temperature-resistant sealing structure and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673071A (en) * | 2018-12-11 | 2019-04-23 | 安徽苏立科技股份有限公司 | A kind of novel single fusing heating pipe processing technique |
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| CN204948378U (en) * | 2015-09-08 | 2016-01-06 | 湖州思创电热科技有限公司 | Heating tube is high temperature resistant enclosuring structure |
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| EP1296539A1 (en) * | 2001-09-21 | 2003-03-26 | Seb S.A. | Method of producing heating elements |
| CN1697574A (en) * | 2004-05-14 | 2005-11-16 | 荣有限公司 | Sheathing heater,its mfg. method and heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109673071A (en) * | 2018-12-11 | 2019-04-23 | 安徽苏立科技股份有限公司 | A kind of novel single fusing heating pipe processing technique |
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Effective date of registration: 20181114 Address after: 310000 Zhejiang Hangzhou Economic and Technological Development Zone No. 370 Yinhai Street, 1 Building, 1 Floor, 103 West Patentee after: Stark (Hangzhou) Heating Technology Co., Ltd. Address before: 313000 Huzhou Sichuang Electric and Thermal Technology Co., Ltd. in Miaoxi Town Industrial Park, Wuxing District, Huzhou City, Zhejiang Province Patentee before: HUZHOU SICHUANG ELECTROTHERMAL TECHNOLOGY CO., LTD. |
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