CN201104113Y - Anti-corrosion ceramic fibre furnace liner - Google Patents
Anti-corrosion ceramic fibre furnace liner Download PDFInfo
- Publication number
- CN201104113Y CN201104113Y CNU2007200281049U CN200720028104U CN201104113Y CN 201104113 Y CN201104113 Y CN 201104113Y CN U2007200281049 U CNU2007200281049 U CN U2007200281049U CN 200720028104 U CN200720028104 U CN 200720028104U CN 201104113 Y CN201104113 Y CN 201104113Y
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- furnace
- steel plate
- layer
- ceramic fibre
- furnace wall
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Abstract
The utility model relates to a corrosion preventive ceramic fiber furnace lining which belongs to the industrial heating furnace and holding furnace accessory field. The utility model comprises a furnace wall steel plate with anchoring nails. The technical proposal is as follows: the surfaces of the furnace wall steel plate and the anchoring nails are coated with a corrosion preventive layer which is an integral structure, and simultaneously a compact high-strength thermal insulation layer and an air blocking foil layer are arranged in turn on the outside of the corrosion preventive layer. After being improved based on the prior art, the corrosion preventive ceramic fiber furnace lining enables the ceramic fiber to have the advantages of generalizing application in the large-scale trade to replace the prior heavy structure or an improved restored structure with an indefinite form, and reducing the use cost because the corrosion preventive ceramic fiber furnace lining solves the problem that: sulfur contained flue gas is easy to form 'dew points' at the welding positions of the anchoring nails and the steel plate, while the acid dew drops are easy to corrode the anchoring piece welding points and the furnace wall plate to result in the local falling-off of the anchoring nails and the local damage of the furnace wall steel plate at the long last.
Description
Technical field
The utility model belongs to the field of accessories of industrial oven in order, holding furnace, specifically is a kind of anticorrosion ceramic fibre liner.
Background technology
In recent years, along with the lifting of the prices of raw and semifnished materials, the downslide of finished product profit, domestic a part of enterprise all sets about from raw material, reduces cost, and improves profit.Liquid fuel or cheap fuel such as coke oven, blast furnace self-control coal gas that one of direct method that the heating furnace industry is taked slightly exceeds standard for adopting sulfur content.Because ceramic fibre has good heat insulation resistant to elevated temperatures characteristic, therefore the ceramic fibre liner material is also applied in the heating furnace that with oil, oil gas mixing or coke oven, blast furnace self-control coal gas is fuel, in application, the most key technical matters are height of corrosive impurity content such as sulphur in the fuel, if S content surpasses 10PPM, sulfur-containing smoke gas easily forms " dew point " in the welding position of anchor studs and steel plate, and acid revealing dripped perishable anchoring piece solder joint and furnace wall plate, can cause anchor studs local shedding and furnace wall steel plate local damage in the course of time.Just because of above-mentioned reason, the anti-material of domestic part producer must not use in the heating furnace of furnace gas sulfur-bearing because of interests drive a whoop and a holler ceramic fibre material, and praise highly the pseudo-classic structure of indefinite form of original heavy structure or improvement, certain old-fashioned structure is through after improveing, the advantage that self is also arranged, but the limitation of old-fashioned structure is difficult to hinder the history development of refractory material.The ceramic fibre liner material is as obtaining practical application in the heating furnace that is mixed into fuel with oil, gas or oil gas, how to solve corrosivity composition dewfall such as sulphur in the furnace gas, improve the structure of users' corrosivity furnace gas furnace lining, improve the energy-saving effect and the service life of furnace lining, become the technical task that needs to be resolved hurrily at present.
The utility model content
The purpose of this utility model is to solve above-mentioned deficiency of the prior art, prior art is improved, provide a kind of and can effectively reduce use cost, solve in the furnace gas corrosivity composition dewfall such as sulphur, improve the structure of users' corrosivity furnace gas furnace lining, improve the energy-saving effect of furnace lining and the anticorrosion ceramic fibre liner in service life.
For achieving the above object, the utility model is achieved through the following technical solutions:
It is a kind of anticorrosion ceramic fibre liner, comprise the furnace wall steel plate that is provided with anchor studs, the present technique main points are the surface-coated corrosion-inhibiting coating of furnace wall steel plate and anchor studs, and this corrosion-inhibiting coating is an overall structure, simultaneously, set gradually compact high-strength thermal insulation layer and choke paper tinsel layer in the outside of corrosion-inhibiting coating.
In order further to improve effect of heat insulation, the outside of choke paper tinsel layer also is provided with the tiling tapetum fibrosum.
Described compact high-strength thermal insulation layer is the layer structure of interlaced braiding, and its thickness can be processed as 35～65 millimeters according to actual conditions.
After installing, compact high-strength thermal insulation layer, choke paper tinsel layer and the pressing of tiling tapetum fibrosum are structure as a whole, to strengthen the heat insulation and preservation effect of globality.
After the utility model improves prior art, easily form " dew point " owing to solved sulfur-containing smoke gas in the welding position of anchor studs and steel plate, and acid revealing dripped perishable anchoring piece solder joint and furnace wall plate, the problem that can cause anchor studs local shedding and furnace wall steel plate local damage in the course of time, ceramic fibre is had can be applied on a large scale in the sector, substitute the pseudo-classic structure of indefinite form of traditional heavy structure or improvement with this, reduce the advantage of use cost.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1: the utility model embodiment section structure schematic diagram.
The specific embodiment
As shown in Figure 1, this anticorrosion ceramic fibre liner, comprise the furnace wall steel plate 1 that is provided with anchor studs 6, the present technique main points are the surface-coated corrosion-inhibiting coating 2 of furnace wall steel plate 1 and anchor studs 6, this corrosion-inhibiting coating 2 is an overall structure, simultaneously, set gradually compact high-strength thermal insulation layer 3 and choke paper tinsel layer 4 in the outside of corrosion-inhibiting coating 2.
In order further to improve effect of heat insulation, the outside of choke paper tinsel layer 4 also is provided with tiling tapetum fibrosum 5.
Described compact high-strength thermal insulation layer 2 is the layer structure of interlaced braiding, and its thickness can be processed as 3.5～6.5 millimeters according to actual conditions.
After installing, compact high-strength thermal insulation layer 2, choke paper tinsel layer 4 and 5 pressings of tiling tapetum fibrosum are structure as a whole, to strengthen the heat insulation and preservation effect of globality.
During installation, at first, corrosion-inhibiting coating 2 is smeared cold junction and solder joint place in furnace wall steel plate hot side, anchor studs 6, become the protecting film of ground floor densification on steel plate hot side and anchoring piece surface; Secondly, adopt the compact high-strength thermal insulation layer 2 of one deck 35 ~ 65mm thickness at the backing place of fibre furnace lining, while is at hot side tiling one deck choke paper tinsel layer of fine and close heat-barrier material 2, so just effectively stopped the possibility that dewfall forehearth gas passes furnace lining, this choke paper tinsel layer 4 had both played the choke effect, can play reverberation again, strengthen the effect of heat insulation effect; At last; the overall volume density of fibre furnace lining is brought up to suitable numerical value; make its fibre furnace lining have certain saturating effect of anti-furnace gas string; simultaneously at ceramic fibre liner hot side spraying layer of surface enhanced rad coating, if brush this coating, after treatment; coating has formed the protective layer of high temperature resistant, the antiscour of one deck densification on the module surface; both stoped the string of flue gas saturating, improved the furnace lining thermal emissivity rate again, strengthened that stove is energy-conservation, the effect of samming.
After the utility model improves prior art, owing to solved sulfur-containing smoke gas easily in the welding position of anchor studs and steel plate Form " dew point ", and acid revealing dripped perishable anchoring piece solder joint and furnace wall plate, can cause anchor studs local shedding and stove in the course of time The problem of wall steel plate local damage, ceramic fibre is had can be applied on a large scale in the sector, and it is heavy to substitute tradition with this The pseudo-classic structure of the indefinite form of matter structure or improvement, the advantage of reduction use cost.
Claims (5)
1, a kind of anticorrosion ceramic fibre liner, comprise the furnace wall steel plate that is provided with anchor studs, it is characterized in that the surface-coated corrosion-inhibiting coating of furnace wall steel plate and anchor studs, this corrosion-inhibiting coating is an overall structure, simultaneously, set gradually compact high-strength thermal insulation layer and choke paper tinsel layer in the outside of corrosion-inhibiting coating.
2, anticorrosion ceramic fibre liner according to claim 1 is characterized in that the outside of choke paper tinsel layer also is provided with the tiling tapetum fibrosum.
3, anticorrosion ceramic fibre liner according to claim 1 is characterized in that the compact high-strength thermal insulation layer is the layer structure of interlaced braiding.
4, anticorrosion ceramic fibre liner according to claim 3, the thickness that it is characterized in that the compact high-strength thermal insulation layer is 35～65 millimeters.
5, anticorrosion ceramic fibre liner according to claim 1 and 2 is characterized in that compact high-strength thermal insulation layer, choke paper tinsel layer and the pressing of tiling tapetum fibrosum are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200281049U CN201104113Y (en) | 2007-09-18 | 2007-09-18 | Anti-corrosion ceramic fibre furnace liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200281049U CN201104113Y (en) | 2007-09-18 | 2007-09-18 | Anti-corrosion ceramic fibre furnace liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201104113Y true CN201104113Y (en) | 2008-08-20 |
Family
ID=39951143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200281049U Expired - Fee Related CN201104113Y (en) | 2007-09-18 | 2007-09-18 | Anti-corrosion ceramic fibre furnace liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201104113Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957138A (en) * | 2010-10-20 | 2011-01-26 | 陈海渊 | High-temperature-resisting anti-corrosive thermal-insulation composite lining structural member and manufacturing method thereof |
| CN101788229B (en) * | 2010-01-13 | 2012-05-02 | 福建工程学院 | Multifunctional smelting furnace |
| CN113686153A (en) * | 2021-10-27 | 2021-11-23 | 南通嘉浩防腐工程有限公司 | Roasting furnace with corrosion-resistant effect |
-
2007
- 2007-09-18 CN CNU2007200281049U patent/CN201104113Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788229B (en) * | 2010-01-13 | 2012-05-02 | 福建工程学院 | Multifunctional smelting furnace |
| CN101957138A (en) * | 2010-10-20 | 2011-01-26 | 陈海渊 | High-temperature-resisting anti-corrosive thermal-insulation composite lining structural member and manufacturing method thereof |
| CN101957138B (en) * | 2010-10-20 | 2012-08-08 | 陈海渊 | High-temperature-resisting anti-corrosive thermal-insulation composite lining structural member and manufacturing method thereof |
| CN113686153A (en) * | 2021-10-27 | 2021-11-23 | 南通嘉浩防腐工程有限公司 | Roasting furnace with corrosion-resistant effect |
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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: 20080820 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |