CN102517892A - Method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through chemical solution method - Google Patents
Method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through chemical solution method Download PDFInfo
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- CN102517892A CN102517892A CN2011103945589A CN201110394558A CN102517892A CN 102517892 A CN102517892 A CN 102517892A CN 2011103945589 A CN2011103945589 A CN 2011103945589A CN 201110394558 A CN201110394558 A CN 201110394558A CN 102517892 A CN102517892 A CN 102517892A
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Abstract
The invention relates to a production method of a fire-resistant sealing heat-insulating material applicable to various thermal devices and pipelines, particularly to a method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through a chemical solution method. The method comprises the following steps of: fully dissolving polyester fibers and textile assistants in the fabric by using a highly-efficient chemical solvent, eluting the solution by using an alcohol solvent, and finally desorbing combustible components in the original fabric through a forced washing method using a vacuum filter to that the treated fabric reaches grade A non-combustible. The properties of aluminum silicate ceramic fiber, ceramic fiber and heat-resistant stainless steel wires are maintained during treatment, so that the fabric obtains best intensity and softness, excellent normal temperature physical properties and high temperature usability of the fabric are maintained, and meanwhile, adverse effects caused by smoke, flames and the like produced by the ceramic fiber fabric under high temperature on products, thermal devices and environment are eliminated.
Description
Technical field
The present invention relates to a kind of production method that is applicable to fire-resistant, the sealed, thermally insulated material of various Thermal Equipments and pipeline, be specifically related to the method that alumina-silicate ceramic fibre cloth, band are not fired in a kind of chemical dissolution method production.
Background technology
Flameproof fabric is by special material, after special process is handled, processes.Main feature: do not fire, high temperature resistant, structure closely, nonirritant, the soft flexible of quality, the object and the equipment of convenient wrapping surface irregularity.Flameproof fabric can well protect object away from showing tremendous enthusiasm point and bloom, and thoroughly stops burning or isolate burning.Flameproof fabric is applicable in welding and waits the occasion that spark, fire hazardous are arranged, and can keep out that spark splashes, slag, the splash etc. that freezes, and plays to isolate the workplace, separate working lining, stop the fire hazard that possibly cause in the welding job; Also can do to set up the working space of a safety, cleaning, standard simultaneously at a distance from light usefulness.Flameproof fabric is the desirable protection tool of public security fire-fighting safety key unit; In the megastore, when construction is got angry in places of public amusement such as supermarket, hotel: like welding, cutting etc.: the use flameproof fabric can directly reduce spark and splash; Play isolation and blocking-up inflammable, explosive dangerous material, and people's the life and complete being able to of property are guaranteed.Flameproof fabric is used in the boats and ships industry aspect cradle structure and the repairing by a large amount of; Also can use place heat insulation at petrochemical enterprise, that need welding, show good protection adaptability metal structure etc.
The fire-resistance cloth that do not fire of produced in conventional processes mainly contains following several kinds of process technologies:
(1) inorganic non-combustible fiber weaving technology
Glass fabric, not fire high silica cloth all be to adopt continuous inorfil, after handling through the auxiliary agent of trace, processes through textile technology; And asbestos cloth adopts textile technology to process after can adopting wet spinning.Because they do not use excessive flammable organic matter in process of production, thereby reach not firing of goods.
(2) fabric coating technology
It is that the inorganic non-combustible coating material is coated with the process technology that scrapes fabric face.The coating method of fabric coating is selected according to the characteristic of product requirement, used coating agent.Generally be divided into direct rubbing method and two types of indirect rubbing methods.Directly rubbing method is that coating agent directly is uniformly applied to fabric face with physical mechanical method; Indirect rubbing method is claimed transfer coated again, is earlier coating agent to be coated on the special antiseized transfer paper (claiming release liners again) with doctor blade method, with the fabric pressing, makes coating substance and adhering fabric again, transfer paper is separated with fabric again.This technology is a kind of complex technique, and it can change performance of products, reduces pliability, increases product weight and stiffness, can not fundamentally eliminate organic combustible material.The ceramic fiber cloth, the band that adopt this kind method to handle at high temperature still can produce flue gas.
(3) fire resistance fibre is done the production technology of auxiliary fiber
Comprise and adopt fire resistance fibre production ceramic fiber cloth, alternate product, or adopt fire retardant that the alumina-silicate ceramic fibre goods are carried out flame treatment.But fire-retardant and be not equal to and do not fire, the fire rating that fire-retardant ratio does not fire is low.Detect graduation according to fire protecting performance, the general title of fire prevention A level does not fire, and fire prevention B level is generally claimed fire-retardant.And the alumina-silicate ceramic fibre cloth that adopts flame-retarded technology production also has flue gas and produces under hot environment.
(4) fabric calcining technology
It is meant the ceramic fiber cloth that contains organic composition, ceramic fibre strip is utilized the method for thermal source with the combustible component burn off in the goods.Though this method can realize not firing of fabric; But in processing procedure, can cause damage to the fiber in the product (ceramic fibre, glass fibre, heat-resistance stainless steel silk etc.); Show that inorfil fragility is big, heat-resistance stainless steel silk tension, fracture resistance variation, thus cause declining to a great extent of fabric intensity; Fall can reach more than 50%, thereby influences the construction and the serviceability of ceramic fiber fabric.
The glass fabric heatproof that traditional flameproof fabric production technology is produced is low, generally is no more than 600 ℃, and the asbestos cloth heatproof is no more than 800 ℃ and asbestos fibre and is forbidden by the world because of belonging to carcinogenic material; The Flameproof cloth that the fabric coating technology is produced not only can change performance of products; Reduce pliability, increase product weight and stiffness; Ceramic fiber cloth, the band that can not fundamentally eliminate organic combustible material and adopt this kind method to handle at high temperature still can produce flue gas.Adopt the cloth of flame-retarded technology production can not realize not firing, the chance fire still can burn and produce flue gas; The normal temperature physical property of the cloth of calcining technology production reduces greatly.
Though have good heat resistance (serviceability temperature can reach 1000-1400 ℃) for traditional alumina-silicate ceramic fibre cloth, band; But because alumina silicate fibre belongs to staple fibre; Spinning property is poor; Adopt the dry production technology can not the alumina silicate fibre Direct Production be gone out fabric; Must add a spot of inorganic enhancing filament fiber (like glass fiber yarn, heat-resistance stainless steel silk) and the strong organic fiber (like polyester staple fiber, flame-resistant terylene staple fibre, viscose staple fibre, cotton fiber etc.) of a spot of spinning property, could alumina silicate fibre be produced fabric.Therefore alumina-silicate ceramic fibre cloth, band still can variable color in the high temperature use, smolder, burn, influence environment.Under the prerequisite that keeps better flexibility and brute force, desire realizes not firing, and must adopt special treatment, and the production technology that chemical dissolution method is eliminated organic fiber then is a kind of effective processing method.
Summary of the invention
The purpose of this invention is to provide the method that alumina-silicate ceramic fibre cloth, band are not fired in a kind of chemical dissolution method production; Can in processing procedure, keep the performance of alumina-silicate ceramic fibre, glass fibre, heat-resistance stainless steel silk not descend; Make fabric obtain best brute force, flexibility; Keep good normal temperature physical property and the high temperature serviceability of fabric, eliminate the harmful effect that the flue gas, flame etc. of the generation ceramic fiber fabric high-temperature condition under cause product, Thermal Equipment, environment simultaneously.
The method that alumina-silicate ceramic fibre cloth, band are not fired in a kind of chemical dissolution method production of the present invention comprises following production stage:
(1) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are immersed in the metacresol fermentation vat that fills 80～100 ℃, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band need to keep temperature-resistant below the immersed in liquid level, fully soak;
(2) after immersion is accomplished, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are forced to take off liquid through the vacuum suction filter defluid device, the metacresol of deviating from is back to fermentation vat;
(3) repeating step (1) and step (2), wherein soak time is 30 minutes;
(4) take off alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band that liquid accomplishes and be immersed in the ethylene glycol washing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(5) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after ethylene glycol washing is finished are immersed in the alcohol flushing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(6) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after alcohol flushing finishes are immersed in the rinsing bowl, adopt vacuum filter to force flushing then, until free from extraneous odour;
(7) alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band after the washing can carry out clot, packing after drying.
Wherein, the metacresol of deviating from the step (2) preferably is back to fermentation vat again after ethanol extraction separates, make metacresol recycle.
The present invention is fully dissolved flame-resistant terylene staple fibre in alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band or polyester staple fiber under the condition of heating with metacresol; Wherein soak time is confirmed according to fabric thickness, when fabric is thicker, prolongs the time of soaking.
Need confirm the number of times of repetition in the step (3) according to fabric thickness, purpose is for flame-resistant terylene staple fibre and polyester staple fiber can be dissolved fully.
Terylene and metacresol after step (4) and step (5) spent glycol and ethanol dissolve fabric carry out abundant rinsing, and wherein the rinsing time is confirmed according to fabric thickness, when the time that the thicker time delay journey by raft down the Yangtze River of fabric is washed.
The present invention is after the purpose that water is forced to wash is a flammable organic matter residual in the eccysis fabric, until free from extraneous odour.
The invention has the advantages that: alumina-silicate ceramic fibre cloth, band that (1) adopts the present invention to produce; After polyster fibre in the fabric and the efficient chemical solvent of textile auxiliary utilization fully dissolved; Utilize alcohols solvent to remove again; Utilize vacuum filter to force the method for washing to remove the combustible component in the source textile at last, make processing back fabric reach the A level and do not fire; (2) all kinds of solvents that adopts among the present invention (metacresol, ethylene glycol, ethanol) does not have corrosiveness to the alumina silicate fibre in the fabric, glass fibre, metal fibre, has farthest kept the normal temperature flexibility and the ultimate strength of fabric; (3) metacresol adopts technique of backflow among the present invention, has reduced discharging, after the ethanol capable of using of the metacresol after the use carries out extract and separate, recycles, and the water that uses is in addition also collected through recovery pond, all recycles, non-wastewater discharge; (4) the present invention produces under closed environment, has reduced environmental pollution.
The present invention produces, and not fire product colour pure white, nondiscolouring under the use high temperature, do not smolder, and can not pollute user environment and product, can not influence attractive in appearancely, can meet consumers' demand more, and be good fire-resistant, fire proofing material.
The specific embodiment
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1～3 is all according to following steps production:
(1) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are immersed in the metacresol fermentation vat that fills 80～100 ℃, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band need to keep temperature-resistant below the immersed in liquid level, fully soak;
(2) after immersion is accomplished, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are forced to take off liquid through the vacuum suction filter defluid device, the metacresol of deviating from is back to fermentation vat;
(3) repeating step (1) and step (2), wherein soak time is 30 minutes;
(4) take off alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band that liquid accomplishes and be immersed in the ethylene glycol washing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(5) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after ethylene glycol washing is finished are immersed in the alcohol flushing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(6) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after alcohol flushing finishes are immersed in the rinsing bowl, adopt vacuum filter to force flushing then, until free from extraneous odour;
(7) alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band after the washing can carry out clot, packing after drying.
Wherein, the metacresol of deviating from the step (2) is back to fermentation vat again after ethanol extraction separates, make metacresol recycle.
Embodiment 1～3 concrete manufacturing parameter sees the following form:
| Thickness 2mm cloth, band | Thickness 3mm cloth, band | Thickness 5mm cloth, band | |
| Metacresol soak time (min) | 30 | 45 | 60 |
| The metacresol temperature | 85 | 90 | 95 |
| Vacuum suction filter vacuum (MPa) | ≥0.05 | ≥0.06 | ≥0.08 |
| Step (3) number of repetition (inferior) | 2 | 3 | 6 |
| Ethylene glycol alcohol is washed the time (min) | 30 | 45 | 60 |
| Ethanol alcohol is washed the time (min) | 30 | 45 | 60 |
| The washing time (min) | 30 | 45 | 60 |
| Baking temperature (℃) | 200 | 200 | 200 |
The technical indicator of embodiment 1～3 products obtained therefrom sees the following form:
| Thickness 2mm cloth, band | Thickness 3mm cloth, band | Thickness 5mm cloth, band | |
| Content of organics % | 0.08 | 0.51 | 0.82 |
| Warp-wise ultimate strength (50mm) N | 358 | 736 | 918 |
| Combustibility | A 1 | A 2 | A 2 |
Claims (2)
1. method that alumina-silicate ceramic fibre cloth, band are not fired in chemical dissolution method production is characterized in that comprising following production stage:
(1) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are immersed in the metacresol fermentation vat that fills 80～100 ℃, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band need to keep temperature-resistant below the immersed in liquid level, fully soak;
(2) after immersion is accomplished, alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band are forced to take off liquid through the vacuum suction filter defluid device, the metacresol of deviating from is back to fermentation vat;
(3) repeating step (1) and step (2), wherein soak time is 30 minutes;
(4) take off alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band that liquid accomplishes and be immersed in the ethylene glycol washing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(5) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after ethylene glycol washing is finished are immersed in the alcohol flushing groove that fills 70 ℃, adopt vacuum filter to force flushing then;
(6) alumina-silicate ceramic fibre cloth or alumina-silicate ceramic fibre band after alcohol flushing finishes are immersed in the rinsing bowl, adopt vacuum filter to force flushing then, until free from extraneous odour;
(7) alumina-silicate ceramic fibre cloth or the alumina-silicate ceramic fibre band after the washing can carry out clot, packing after drying.
2. the method for alumina-silicate ceramic fibre cloth, band is not fired in chemical dissolution method production according to claim 1, it is characterized in that the metacresol of deviating from the step (2) is back to fermentation vat again after ethanol extraction separates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110394558 CN102517892B (en) | 2011-12-02 | 2011-12-02 | Method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through chemical solution method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110394558 CN102517892B (en) | 2011-12-02 | 2011-12-02 | Method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through chemical solution method |
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| Publication Number | Publication Date |
|---|---|
| CN102517892A true CN102517892A (en) | 2012-06-27 |
| CN102517892B CN102517892B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110394558 Active CN102517892B (en) | 2011-12-02 | 2011-12-02 | Method for producing non-combustible aluminum silicate ceramic fiber cloth and bands through chemical solution method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238121A (en) * | 2015-11-04 | 2016-01-13 | 盐城工学院 | Environment-friendly, flame-retardant, high-temperature-resistant and easily-cleaned type coating cloth for automobile seat skin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302267A (en) * | 1992-04-21 | 1993-11-16 | Toyobo Co Ltd | Hollow fiber and its production |
| CN1340639A (en) * | 2000-09-01 | 2002-03-20 | 山东鲁阳股份有限公司 | Aluminium silicate fibres for fabrics |
| JP2004067401A (en) * | 2002-08-01 | 2004-03-04 | Toshiba Ceramics Co Ltd | Aluminum nitride ceramic member having roughened surface, and method of manufacturing the same |
-
2011
- 2011-12-02 CN CN 201110394558 patent/CN102517892B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302267A (en) * | 1992-04-21 | 1993-11-16 | Toyobo Co Ltd | Hollow fiber and its production |
| CN1340639A (en) * | 2000-09-01 | 2002-03-20 | 山东鲁阳股份有限公司 | Aluminium silicate fibres for fabrics |
| JP2004067401A (en) * | 2002-08-01 | 2004-03-04 | Toshiba Ceramics Co Ltd | Aluminum nitride ceramic member having roughened surface, and method of manufacturing the same |
Non-Patent Citations (1)
| Title |
|---|
| 朱俊: "简谈陶瓷纤维的发展和未来", 《江苏陶瓷》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238121A (en) * | 2015-11-04 | 2016-01-13 | 盐城工学院 | Environment-friendly, flame-retardant, high-temperature-resistant and easily-cleaned type coating cloth for automobile seat skin |
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| Publication number | Publication date |
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| CN102517892B (en) | 2013-06-19 |
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Address after: 256120 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee after: LUYANG ENERGY-SAVING MATERIALS CO., LTD. Address before: 256120 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee before: Luyang Co., Ltd., Shandong |