CN102954695A - Non-heat short circuit outer-frame-free type radiant tube base layer-spread sealing insulation device - Google Patents
Non-heat short circuit outer-frame-free type radiant tube base layer-spread sealing insulation device Download PDFInfo
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- CN102954695A CN102954695A CN2011102541268A CN201110254126A CN102954695A CN 102954695 A CN102954695 A CN 102954695A CN 2011102541268 A CN2011102541268 A CN 2011102541268A CN 201110254126 A CN201110254126 A CN 201110254126A CN 102954695 A CN102954695 A CN 102954695A
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Abstract
The invention relates to the field of furnace lining insulating configuration of a furnace, a kiln, a roasting oven or a distillation furnace, and in particular relates to a non-heat short circuit outer-frame-free type radiant tube base layer-spread sealing insulation device. The non-heat short circuit outer-frame-free type radiant tube base layer-spread sealing insulation device comprises a furnace wall (1) and a base (2), and is characterized by further comprising anchoring nails (3), a layer-spread fiber blanket (41) and a lining fiber blanket (42), wherein a through hole (11) is a step hole, the layer-spread fiber blanket (41) is paved at the inner side of the base (2) to form a ladder shaft, the lining fiber blanket (42) covers at the inner side of the layer-spread fiber blanket (41), the layer-spread fiber blanket (41), the lining fiber blanket (42) and the base (2) are fixedly arranged through the anchoring nails (3), and one end of the inner side of the base (2) is inserted in the through hole (11). The product is high in quality, good in sealing property, simple in structure and is convenient to install.
Description
Technical field
The present invention relates to the furnace lining insulation field of configuration of stove, kiln, oven or retort, be specially and a kind ofly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit.
Background technology
Industrial furnace be widely used in smelting, the firing equipment of chemical industry, the indirect heating type industrial furnace is take radiant tube as heating element heater, radiant tube is located on the base.Reduce thermal loss for improving the efficiency of heating surface, need be provided with attemperator on the base.Present base insulation construction is that tapetum fibrosum adds stainless steel liner plate parcel, perhaps adopts fibre module and adds stainless steel frame in the bight.There are the following problems for these two kinds of structures: 1. liner plate or the framework made with stainless steel are out of shape easily, and dismounting difficulty when maintenance is difficult to again install after maintenance is finished.2. poorly sealed close, because the slit between furnace wall interior lining panel and the incubator liner plate is straight-through seam, it is unreliable to rely on the sealing of straight-through seam the inside filling tapetum fibrosum.3. inconvenience is installed, needs personnel to enter in the stove during installation and use the tapetum fibrosum stuff up a crack, waste time and energy inefficiency.
Summary of the invention
In order to overcome the defective of prior art, provide a kind of being convenient to install and remove, seal attemperator tight, good heat preservation performance, the invention discloses and a kind ofly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit.
The present invention reaches goal of the invention by following technical solution:
A kind ofly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, comprise furnace wall and base, have through hole on the furnace wall, one end of base is inserted in the through hole, it is characterized in that: also comprise anchor studs, layer spreads tapetum fibrosum and liner tapetum fibrosum, through hole is stepped hole, described stepped hole has two-stage, first order hole is the truncated cone-shaped hole, the opening of aperture is opened on the furnace wall inwall in the first order hole, hole, the second level is cylindrical hole, the aperture of macropore is the shoulder of stepped hole less than the aperture in hole, the second level between the opening of the opening of macropore and hole, the second level one end in the first order hole in the first order hole, and the opening of hole, the second level other end is opened on the furnace wall outer wall, layer spreads the inboard that tapetum fibrosum is laid on base, the outer margin contour that layer spreads after tapetum fibrosum is laid forms multidiameter, and the shoulder hole of described multidiameter and through hole matches each other, and the inboard that layer spreads tapetum fibrosum covers the liner tapetum fibrosum, layer spreads tapetum fibrosum, fix with anchor studs between liner tapetum fibrosum and the base, an end of base inboard is inserted in the through hole.
Describedly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: also comprise the heat-insulating fiber plate, heat-insulating fiber plate lining spreads tapetum fibrosum in the centre of layer shop tapetum fibrosum with layer and is separated into inside and outside two-layer, base, outer field layer spreads between tapetum fibrosum and the heat-insulating fiber plate and connects with anchor studs, the heat-insulating fiber plate, the layer of internal layer spreads between tapetum fibrosum and the liner tapetum fibrosum and also connects with anchor studs, and connects base, outer field layer spread tapetum fibrosum be connected with the heat-insulating fiber plate three anchor studs be connected the heat-insulating fiber plate, the anchor studs that the layer of internal layer spreads tapetum fibrosum and this three of liner tapetum fibrosum does not contact.
Describedly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: layer spreads a tapetum fibrosum Ceramics fiber and makes, and ceramic fibre is selected alumina-silicate ceramic fibre; The liner tapetum fibrosum selects polycrystalline alumina fiber to make, Al in the polycrystalline alumina fiber
2O
3Content be not less than 70%.
Describedly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: layer spread tapetum fibrosum and heat-insulating fiber plate all the Ceramics fiber make, ceramic fibre is selected alumina-silicate ceramic fibre; The liner tapetum fibrosum selects polycrystalline alumina fiber to make, Al in the polycrystalline alumina fiber
2O
3Content be not less than 70%.
Describedly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: the angle of the hole wall in first order hole and central shaft is 3 °～30 ° in the through hole, and the ratio in the aperture in the aperture of macropore and hole, the second level is 50%～90% in the through hole first order hole.
Describedly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: layer shop tapetum fibrosum and heat-insulating fiber plate all Ceramics fiber are made, ceramic fibre removes the ball that removes slag through washing first by alumina-silicate ceramic fibre is cotton, then add an amount of inorganic bonding agent and organic bond, through vacuum filtering shape process, make finally by drying again.The liner tapetum fibrosum selects polycrystalline alumina fiber to make, add an amount of inorganic bonding agent and organic bond is made through needling process by the polycrystalline alumina fiber loose wool, polycrystalline alumina fiber is take aluminium polychloride, high pure metal aluminium powder, acidic silicasol, macromolecule organic polymer, acetic acid, lactic acid, magnesium chloride etc. as raw material, through reaction, filter, the operations such as concentrated, fibroblast, drying, calcining make Al in the fiber
2O
3Content be not less than 70%.
When the present invention uses, with the inboard of base, an end that namely spreads the multidiameter outer rim that tapetum fibrosum forms by layer is inserted in the through hole, base is fixed in the through hole with anchor studs again, also layer is spread between tapetum fibrosum, liner tapetum fibrosum and the base simultaneously and connect into integral body, radiant tube is fixed on the base.Base is when inserting through hole, and the extruding of the inwall of liner tapetum fibrosum and through hole forms once sealing, forms secondary seal between the multidiameter of the step inwall of through hole and layer shop tapetum fibrosum.The invention has the beneficial effects as follows: layer spreads tapetum fibrosum Ceramics fiber and makes, and the liner tapetum fibrosum selects polycrystalline alumina fiber to make, and fiber is without the slag ball, and slag-off phenomenon can not occur affects product quality; Only at inner lining of furnace parcel polycrystalline fibre blanket, the polycrystalline fibre blanket is low-consuming; Without metal outer frame and interior lining panel, avoided the problem of high temperature deformation; Has double sealing structure, good airproof performance; Do not have metal straight to connect in succession inside and outside the furnace wall, eliminated hot short circuit phenomenon, reduced the temperature of base metal shell; Simple in structure, easy for installation, do not need personnel to enter operation in the stove during installation.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of I part among Fig. 1;
Fig. 3 is the structural representation of the present invention that is provided with the heat-insulating fiber plate;
Fig. 4 is the partial enlarged drawing of I part among Fig. 3.
The specific embodiment
Below further specify the present invention by specific embodiment.
A kind ofly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, comprise furnace wall 1, base 2, anchor studs 3, layer spreads tapetum fibrosum 41 and liner tapetum fibrosum 42, as depicted in figs. 1 and 2, concrete structure is: have through hole 11 on the furnace wall 1, one end of base 2 is inserted in the through hole 11, through hole 11 is stepped hole, described stepped hole has two-stage, first order hole is the truncated cone-shaped hole, the hole wall in first order hole and the angle of central shaft are 3 °～30 °, present embodiment is got 5 °, the opening of aperture is opened on furnace wall 1 inwall in the first order hole, hole, the second level is cylindrical hole, the ratio in the aperture in the aperture of macropore and hole, the second level is 50%～90% in the first order hole, present embodiment gets 80%, be the shoulder of stepped hole between the opening of the opening of macropore and hole, the second level one end in the first order hole, the opening of hole, the second level other end is opened on furnace wall 1 outer wall, layer spreads the inboard that tapetum fibrosum 41 is laid on base 2, the outer margin contour that layer spreads after tapetum fibrosum 41 is laid forms multidiameter, the shoulder hole of described multidiameter and through hole 11 matches each other, the inboard that layer spreads tapetum fibrosum 41 covers liner tapetum fibrosum 42, layer spreads tapetum fibrosum 41, fixing with anchor studs 3 between liner tapetum fibrosum 42 and the base 2, an end of base 2 inboards is inserted in the through hole 11.
In the present embodiment, layer spreads tapetum fibrosum 41 Ceramics fibers and makes, and ceramic fibre then adds an amount of inorganic bonding agent and organic bond by alumina-silicate ceramic fibre is cotton first through washing except removing slag ball, again through vacuum filtering shape process, makes finally by drying; Liner tapetum fibrosum 42 selects polycrystalline alumina fiber to make, add an amount of inorganic bonding agent and organic bond is made through needling process by the polycrystalline alumina fiber loose wool, polycrystalline alumina fiber is take aluminium polychloride, high pure metal aluminium powder, acidic silicasol, macromolecule organic polymer, acetic acid, lactic acid, magnesium chloride etc. as raw material, through reaction, filter, the operations such as concentrated, fibroblast, drying, calcining make Al in the fiber
2O
3Content be not less than 70%.
When the present invention uses, inboard with base 2, an end that namely spreads the multidiameter outer rim that tapetum fibrosum 41 forms by layer is inserted in the through hole 11, again base 2 usefulness anchor studs 3 are fixed in the through hole 11, also layer is spread between tapetum fibrosum 41, liner tapetum fibrosum 42 and the base 2 simultaneously and connect into integral body, radiant tube is fixed on the base 2.Base 2 is when inserting through hole 11, and the extruding of the inwall of liner tapetum fibrosum 42 and through hole 11 forms once sealing, forms secondary seal between the multidiameter of the step inwall of through hole 11 and layer shop tapetum fibrosum 41.
A kind ofly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, comprise furnace wall 1, base 2, anchor studs 3, layer spreads tapetum fibrosum 41 and liner tapetum fibrosum 42, also comprise heat-insulating fiber plate 43, as shown in Figure 3 and Figure 4, concrete structure is: heat-insulating fiber plate 43 linings spread tapetum fibrosum 41 in the centre of layer shop tapetum fibrosum 41 with layer and are separated into inside and outside two-layer, base 2, outer field layer spreads between tapetum fibrosum 41 and the heat-insulating fiber plate 43 and connects with anchor studs 3, heat-insulating fiber plate 43, the layer of internal layer spreads between tapetum fibrosum 41 and the liner tapetum fibrosum 42 and also connects with anchor studs 3, and connects base 2, outer field layer spread tapetum fibrosum 41 are connected with the heat-insulating fiber plate this three anchor studs 3 be connected heat-insulating fiber plate 43, the anchor studs 3 that the layer of internal layer spreads tapetum fibrosum 41 and liner tapetum fibrosum 42 these threes does not contact.In the present embodiment, heat-insulating fiber plate 43 Ceramics fibers are made, and ceramic fibre removes the ball that removes slag through washing first by alumina-silicate ceramic fibre is cotton, then adds an amount of inorganic bonding agent and organic bond, again through vacuum filtering shape process, makes finally by drying.Other structures and using method are all same with embodiment 1.
Claims (5)
1. exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit for one kind, comprise furnace wall (1) and base (2), have through hole (11) on the furnace wall (1), one end of base (2) is inserted in the through hole (11), it is characterized in that: also comprise anchor studs (3), layer spreads tapetum fibrosum (41) and liner tapetum fibrosum (42), through hole (11) is stepped hole, described stepped hole has two-stage, first order hole is the truncated cone-shaped hole, the opening of aperture is opened on furnace wall (1) inwall in the first order hole, hole, the second level is cylindrical hole, the aperture of macropore is less than the aperture in hole, the second level in the first order hole, be the shoulder of stepped hole between the opening of the opening of macropore and hole, the second level one end in the first order hole, the opening of hole, the second level other end is opened on furnace wall (1) outer wall, layer spreads the inboard that tapetum fibrosum (41) is laid on base (2), the outer margin contour that layer spreads after tapetum fibrosum (41) is laid forms multidiameter, the shoulder hole of described multidiameter and through hole (11) matches each other, the inboard that layer spreads tapetum fibrosum (41) covers liner tapetum fibrosum (42), layer spreads tapetum fibrosum (41), fixing with anchor studs (3) between liner tapetum fibrosum (42) and the base (2), the inboard end of base (2) is inserted in the through hole (11).
2. as claimed in claim 1ly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: also comprise heat-insulating fiber plate (43), heat-insulating fiber plate (43) lining spreads tapetum fibrosum (41) in the centre of layer shop tapetum fibrosum (41) with layer and is separated into inside and outside two-layer, base (2), outer field layer spreads between tapetum fibrosum (41) and the heat-insulating fiber plate (43) and connects with anchor studs (3), heat-insulating fiber plate (43), the layer of internal layer spreads also uses anchor studs (3) to connect between tapetum fibrosum (41) and the liner tapetum fibrosum (42), and connects base (2), outer field layer spreads tapetum fibrosum (41) and is connected 43 with the heat-insulating fiber plate) this three's anchor studs (3) be connected heat-insulating fiber plate (43), the anchor studs (3) that the layer of internal layer spreads tapetum fibrosum (41) and this three of liner tapetum fibrosum (42) does not contact.
3. as claimed in claim 1ly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: layer spreads tapetum fibrosum (a 41) Ceramics fiber and makes, and ceramic fibre is selected alumina-silicate ceramic fibre; Liner tapetum fibrosum (42) selects polycrystalline alumina fiber to make, Al in the polycrystalline alumina fiber
2O
3Content be not less than 70%.
4. as claimed in claim 2ly exempt from outer frame radiant tube base layer laying sealing thermal insulation device without hot short circuit, it is characterized in that: layer spread tapetum fibrosum (41) and heat-insulating fiber plate (43) all the Ceramics fiber make, ceramic fibre is selected alumina-silicate ceramic fibre; Liner tapetum fibrosum (42) selects polycrystalline alumina fiber to make, Al in the polycrystalline alumina fiber
2O
3Content be not less than 70%.
5. exempt from outer frame radiant tube base layer laying sealing thermal insulation device as any one in the claim 1 to 4 is described without hot short circuit, it is characterized in that: the hole wall in first order hole and the angle of central shaft are 3 °～30 ° in the through hole (11), and the ratio in the aperture in the aperture of macropore and hole, the second level is 50%～90% in through hole (11) first order hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254126.8A CN102954695B (en) | 2011-08-31 | 2011-08-31 | Without hot short circuit outer-frame-free type radiant tube base layer laying sealing thermal insulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254126.8A CN102954695B (en) | 2011-08-31 | 2011-08-31 | Without hot short circuit outer-frame-free type radiant tube base layer laying sealing thermal insulation device |
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| Publication Number | Publication Date |
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| CN102954695A true CN102954695A (en) | 2013-03-06 |
| CN102954695B CN102954695B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110254126.8A Active CN102954695B (en) | 2011-08-31 | 2011-08-31 | Without hot short circuit outer-frame-free type radiant tube base layer laying sealing thermal insulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111345A (en) * | 2021-11-19 | 2022-03-01 | 江苏众邦能源科技工程有限公司 | Maintenance and transformation method for annular furnace bottom |
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|---|---|---|---|---|
| JP2001304768A (en) * | 2000-04-14 | 2001-10-31 | Nippon Steel Corp | Method for repairing lining of steel piece heating furnace |
| CN201152687Y (en) * | 2007-11-22 | 2008-11-19 | 南京年达炉业科技有限公司 | Liner construction of roller rod furnace |
| CN201407902Y (en) * | 2009-05-18 | 2010-02-17 | 北京京诚凤凰工业炉工程技术有限公司 | Composite fiber furnace lining and annular furnace with same |
| CN201508108U (en) * | 2009-07-15 | 2010-06-16 | 河南省宏达炉业有限公司 | Lining structure of grate side wall |
| CN201945180U (en) * | 2010-11-20 | 2011-08-24 | 山东鲁阳股份有限公司 | Polycrystal alumina fiber composite module lining structure of high-temperature heating furnace door |
-
2011
- 2011-08-31 CN CN201110254126.8A patent/CN102954695B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304768A (en) * | 2000-04-14 | 2001-10-31 | Nippon Steel Corp | Method for repairing lining of steel piece heating furnace |
| CN201152687Y (en) * | 2007-11-22 | 2008-11-19 | 南京年达炉业科技有限公司 | Liner construction of roller rod furnace |
| CN201407902Y (en) * | 2009-05-18 | 2010-02-17 | 北京京诚凤凰工业炉工程技术有限公司 | Composite fiber furnace lining and annular furnace with same |
| CN201508108U (en) * | 2009-07-15 | 2010-06-16 | 河南省宏达炉业有限公司 | Lining structure of grate side wall |
| CN201945180U (en) * | 2010-11-20 | 2011-08-24 | 山东鲁阳股份有限公司 | Polycrystal alumina fiber composite module lining structure of high-temperature heating furnace door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111345A (en) * | 2021-11-19 | 2022-03-01 | 江苏众邦能源科技工程有限公司 | Maintenance and transformation method for annular furnace bottom |
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| CN102954695B (en) | 2015-08-12 |
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Owner name: BAOSTEEL INDUSTRIAL FURNACE ENGINEERING TECHNOLOGY Free format text: FORMER OWNER: SHANGHAI BAOSTEEL INDUSTRY INSPECTION CORP. Effective date: 20130311 |
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Effective date of registration: 20130311 Address after: 201900 room 503-C, room 1, building 1508, Mudanjiang Road, Shanghai, Baoshan District, 5 Applicant after: Baosteel Industrial Furnace Engineering Technology Co., Ltd. Address before: 201900 Shanghai city Baoshan District Meipu Road No. 335 Applicant before: Shanghai Baosteel Industry Inspection Corp. |
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Effective date of registration: 20171124 Address after: 201999 Shanghai city Baoshan District Tieli Road No. 2510 room 416 Patentee after: Baosteel Engeneering &Technology Group Co., Ltd. Address before: 201900 room 503-C, room 1, building 1508, Mudanjiang Road, Shanghai, Baoshan District, 5 Patentee before: Baosteel Industrial Furnace Engineering Technology Co., Ltd. |
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