CN103594143A - Novel electric furnace insulating material and preparation method thereof - Google Patents
Novel electric furnace insulating material and preparation method thereof Download PDFInfo
- Publication number
- CN103594143A CN103594143A CN201310491778.2A CN201310491778A CN103594143A CN 103594143 A CN103594143 A CN 103594143A CN 201310491778 A CN201310491778 A CN 201310491778A CN 103594143 A CN103594143 A CN 103594143A
- Authority
- CN
- China
- Prior art keywords
- electric furnace
- insulating material
- preparation
- furnace insulating
- novel electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Inorganic Insulating Materials (AREA)
Abstract
The invention discloses a novel electric furnace insulating material and a preparation method thereof. The electric furnace insulating material is composed of mica powder, alkali-free glass fibers, HRB-6 resin and methylbenzene. The electric furnace insulating material comprises, by weight, 72-78% of mica powder, 14-16% of alkali-free glass fibers, 6-8% of HRB-6 resin and 2-4% of methylbenzene. The preparation method comprises the steps of (a) preparing mixed raw materials and (b) conducting pressing processing. According to the novel electric furnace insulating material and the preparation method of the novel electric furnace insulating material, the electric furnace insulating material has the excellent electric insulating property and the heat-resisting, anti-flaming, heat-resisting and humidity-resisting properties, the preparation method is simple and convenient to implement, low in cost, safe and free of pollution, and the service life of an electric furnace can be remarkably prolonged.
Description
Technical field
The present invention relates to a kind of insulating material, relate in particular to a kind of Novel electric furnace insulating material and preparation method thereof, belong to insulating material technical field.
Background technology
The quality of electric furnace insulating material directly affects the safe operation of metallurgical electric furnace.At a variety of causes, cause in the accident of metallurgical electric furnace blowing out, the loss causing due to insulating material quality problems accounts for 15% left and right, and the loss that national smelter causes because of insulation fault every year reaches more than ten hundred million yuan.In smelter, mineral hot furnace, arc furnace are to use in a traditional way common lamination plate and shellac mica as insulation protection substantially in recent years.
At present, the performance of the shellac mica of more use in electric furnace insulating material is easily influenced by ambient temperature, when ambient temperature reaches more than 130 ℃, shellac is coking progressively, and structure is loose very soon, and density declines rapidly, electrical insulation properties also declines to a great extent, and short circuit, beats the insulation faults such as arc and produces thereupon.Because the own physical property the subject of knowledge and the object of knowledges of insulating material such as being subject to shellac and common lamination plate determines, be difficult to fundamentally solve because beating the problem of the insulation damages such as arc, therefore exploitation metallurgical electric furnace is very necessary with new insulation material.
Summary of the invention
For the demand, the invention provides a kind of Novel electric furnace insulating material and preparation method thereof, this electric furnace insulating material has good electrical insulation capability and heat-resisting, fire-retardant, heat resistanceheat resistant wet performance, its preparation method is easy, with low cost, safety non-pollution, can significantly improve the useful life of electric furnace.
The present invention is a kind of Novel electric furnace insulating material and preparation method thereof, described electric furnace insulating material is comprised of mica powder, alkali-free glass fibre silk, HRB-6 resin and toluene, and the weight percentage of this each component of electric furnace insulating material is: mica powder 72～78%, alkali-free glass fibre silk 14～16%, HRB-6 resin 6～8%, toluene 2～4%; Described preparation method comprises the steps: a) to produce mixed material, b) compression process.
In a preferred embodiment of the present invention, described mica powder particle diameter is 800～1000 orders, and its fusing point is more than 1000 ℃.
In a preferred embodiment of the present invention, described alkali-free glass fibre filament diameter is 0.2mm, and length is 10mm.
In a preferred embodiment of the present invention, in described step a), the whipping temp of producing mixed material is 40 ℃, and mixing time is 10min.
In a preferred embodiment of the present invention, in described step b), compression process operation comprises: hydrostatic profile, one section of hot pressing, two sections of hot pressing, three sections of hot pressing.
In a preferred embodiment of the present invention, one section of described hot pressing pressure is 1.98MPa, and the time is 1.5h, and temperature is 130 ℃; Two sections of hot pressing pressures are 5.39MPa, and the time is 2.5h, and temperature is 220 ℃; Three sections of hot pressing pressures are 10.78MPa, and the time is 0.5h, and temperature is 270 ℃.
The present invention has disclosed a kind of Novel electric furnace insulating material and preparation method thereof, this electric furnace insulating material has good electrical insulation capability and heat-resisting, fire-retardant, heat resistanceheat resistant wet performance, its preparation method is easy, with low cost, safety non-pollution, can significantly improve the useful life of electric furnace.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the preparation method's of embodiment of the present invention Novel electric furnace insulating material process figure.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the preparation method's of embodiment of the present invention Novel electric furnace insulating material process figure; This electric furnace insulating material is comprised of mica powder, alkali-free glass fibre silk, HRB-6 resin and toluene, and the weight percentage of described each component of electric furnace insulating material is: mica powder 72～78%, alkali-free glass fibre silk 14～16%, HRB-6 resin 6～8%, toluene 2～4%.
The mica powder particle diameter that the Novel electric furnace insulating material that the present invention mentions is selected is 800～1000 orders, and its fusing point is more than 1000 ℃; This mica powder main chemical compositions is silicon dioxide and aluminium oxide, has good electrical insulation capability and good thermal endurance.The alkali-free glass fibre silk that this electric furnace insulating material is selected is a kind of Inorganic Non-metallic Materials, and its diameter is 0.2mm, and length is 10mm; This alkali-free glass fibre silk has the acid-proof alkali erosiveness energy of height and higher tensile strength, greatly the intensity of reinforced insulation material.This Novel electric furnace insulating material is owing to introducing mica powder and alkali-free glass fibre silk, it is all significantly improved at aspects such as electrical insulation capability, heat-resisting, fire-retardant, heat resistanceheat resistant wet performance and compression strength, can under the environment of meeting naked light, use safely, simultaneously under maximum operating temperature, can not produce distortion, without dust, distribute without carcinogenic substance.
As shown in Figure 1, the preparation method of this Novel electric furnace insulating material comprises the steps: a) to produce mixed material, b) compression process.
Embodiment 1
Concrete preparation method is as follows:
A) produce mixed material, concrete preparation process is: first 78% mica powder is mixed with 14% alkali-free glass fibre silk, then add 6% HRB-6 resin and 2% toluene, be heated to 40 ℃ and fully stir, guarantee that various raw materials evenly merge, mixing time is 10min.
B) compression process, concrete preparation process is: first the raw material mixing is put into autocratic mould, hydrostatic profile, then puts on hot press and carry out compression process, and compression process comprises one section of hot pressing, two sections of hot pressing and three sections of hot pressing; Wherein, one section of hot pressing pressure is 1.98MPa, and the time is 1.5h, and temperature is 130 ℃; Two sections of hot pressing pressures are 5.39MPa, and the time is 2.5h, and temperature is 220 ℃; Three sections of hot pressing pressures are 10.78MPa, and the time is 0.5h, and temperature is 270 ℃; Finally by finished product after dry processing.
Embodiment 2
Concrete preparation method is as follows:
A) produce mixed material, concrete preparation process is: first 72% mica powder is mixed with 16% alkali-free glass fibre silk, then add 8% HRB-6 resin and 4% toluene, be heated to 40 ℃ and fully stir, guarantee that various raw materials evenly merge, mixing time is 10min.
B) compression process, concrete preparation process is: first the raw material mixing is put into autocratic mould, hydrostatic profile, then puts on hot press and carry out compression process, and compression process comprises one section of hot pressing, two sections of hot pressing and three sections of hot pressing; Wherein, one section of hot pressing pressure is 1.98MPa, and the time is 1.5h, and temperature is 130 ℃; Two sections of hot pressing pressures are 5.39MPa, and the time is 2.5h, and temperature is 220 ℃; Three sections of hot pressing pressures are 10.78MPa, and the time is 0.5h, and temperature is 270 ℃; Finally by finished product after dry processing.
The present invention has disclosed a kind of Novel electric furnace insulating material and preparation method thereof, this electric furnace insulating material has good electrical insulation capability and heat-resisting, fire-retardant, heat resistanceheat resistant wet performance, its preparation method is easy, with low cost, safety non-pollution, can significantly improve the useful life of electric furnace.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claims were limited.
Claims (6)
1. Novel electric furnace insulating material and preparation method thereof, it is characterized in that, described electric furnace insulating material is comprised of mica powder, alkali-free glass fibre silk, HRB-6 resin and toluene, and the weight percentage of this each component of electric furnace insulating material is: mica powder 72～78%, alkali-free glass fibre silk 14～16%, HRB-6 resin 6～8%, toluene 2～4%; Described preparation method comprises the steps: a) to produce mixed material, b) compression process.
2. Novel electric furnace insulating material according to claim 1 and preparation method thereof, is characterized in that, described mica powder particle diameter is 800～1000 orders, and its fusing point is more than 1000 ℃.
3. Novel electric furnace insulating material according to claim 1 and preparation method thereof, is characterized in that, described alkali-free glass fibre filament diameter is 0.2mm, and length is 10mm.
4. Novel electric furnace insulating material according to claim 1 and preparation method thereof, is characterized in that, in described step a), the whipping temp of producing mixed material is 40 ℃, and mixing time is 10min.
5. Novel electric furnace insulating material according to claim 1 and preparation method thereof, is characterized in that, in described step b), compression process operation comprises: hydrostatic profile, one section of hot pressing, two sections of hot pressing, three sections of hot pressing.
6. Novel electric furnace insulating material according to claim 5 and preparation method thereof, is characterized in that, one section of described hot pressing pressure is 1.98MPa, and the time is 1.5h, and temperature is 130 ℃; Two sections of hot pressing pressures are 5.39MPa, and the time is 2.5h, and temperature is 220 ℃; Three sections of hot pressing pressures are 10.78MPa, and the time is 0.5h, and temperature is 270 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491778.2A CN103594143A (en) | 2013-10-21 | 2013-10-21 | Novel electric furnace insulating material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491778.2A CN103594143A (en) | 2013-10-21 | 2013-10-21 | Novel electric furnace insulating material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103594143A true CN103594143A (en) | 2014-02-19 |
Family
ID=50084243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310491778.2A Pending CN103594143A (en) | 2013-10-21 | 2013-10-21 | Novel electric furnace insulating material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103594143A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072994A (en) * | 2014-07-01 | 2014-10-01 | 嘉兴学院 | Formula of material for making high-strength fire-resistant electric furnace insulating mat by hot molding |
| CN105272182A (en) * | 2015-10-30 | 2016-01-27 | 太仓市天合新材料科技有限公司 | Multifunctional insulating material |
| CN107141765A (en) * | 2017-06-22 | 2017-09-08 | 合肥励仙电力工程有限公司 | A kind of erosion resisting insulation cable material and preparation method thereof |
| CN107507683A (en) * | 2017-08-16 | 2017-12-22 | 广东海翔教育科技有限公司 | A kind of enhanced environment-friendlyinsulation insulation material processing unit (plant) and preparation method |
| CN109021581A (en) * | 2018-07-16 | 2018-12-18 | 江苏省苏安能节能建材科技有限公司 | A kind of Water-based silicone rubber can porcelain flexible clay facing tile and its preparation and application |
-
2013
- 2013-10-21 CN CN201310491778.2A patent/CN103594143A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072994A (en) * | 2014-07-01 | 2014-10-01 | 嘉兴学院 | Formula of material for making high-strength fire-resistant electric furnace insulating mat by hot molding |
| CN105272182A (en) * | 2015-10-30 | 2016-01-27 | 太仓市天合新材料科技有限公司 | Multifunctional insulating material |
| CN107141765A (en) * | 2017-06-22 | 2017-09-08 | 合肥励仙电力工程有限公司 | A kind of erosion resisting insulation cable material and preparation method thereof |
| CN107507683A (en) * | 2017-08-16 | 2017-12-22 | 广东海翔教育科技有限公司 | A kind of enhanced environment-friendlyinsulation insulation material processing unit (plant) and preparation method |
| CN109021581A (en) * | 2018-07-16 | 2018-12-18 | 江苏省苏安能节能建材科技有限公司 | A kind of Water-based silicone rubber can porcelain flexible clay facing tile and its preparation and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103594143A (en) | Novel electric furnace insulating material and preparation method thereof | |
| CN103073237B (en) | Basalt fiber and aerogel powder composite heat insulating material and preparation method thereof | |
| CN102504509A (en) | Unsaturated polyester glass fiber reinforced molding compound and application thereof | |
| CN105885355A (en) | High-heat-resistance insulating composite and preparation method thereof | |
| CN107954599A (en) | A kind of preparation method of high-performance glass fiber yarn | |
| CN103642171B (en) | A kind of suspension clamp SMC composite and production method | |
| CN105062080A (en) | Arc-resistant silicon composite material, preparation method and use thereof | |
| CN104944972A (en) | Fireproof fiber board | |
| CN204914820U (en) | Fire -resistant heated board of basalt fiber composite material | |
| CN101949082B (en) | Method for preparing polyphenylene sulfide fiber insulation paper | |
| CN108281336A (en) | A kind of high-tension fuse arc quenching material and preparation method thereof | |
| CN104250067B (en) | A kind of method for preparing machinability mica glass-ceramics insulating materials using cullet and phlogopite | |
| CN201741471U (en) | Copper core conductor aluminum silicate refractory fibre insulating deformation high-temperature alloy sheath fire-resistant cable | |
| CN105153691A (en) | High-strength high-temperature nylon matrix insulating material and production process thereof | |
| CN105529117A (en) | Extra-high voltage suspension composite rod insulator | |
| CN204926874U (en) | Adopt fine three -core power cord that is fire -retardant layer of basalt | |
| CN103980678A (en) | PBT (polybutylene terephthalate) material for optical cable and preparation method thereof | |
| CN103325438B (en) | A kind of glass insulator material | |
| CN103293618A (en) | High-temperature-resistant flame-retardant wear-resistant optical cable | |
| CN110373908A (en) | A kind of enclosed type injecting type high-tension fuse arc quenching material and preparation method thereof | |
| CN206326944U (en) | A kind of resistant to elevated temperatures stainless steel band | |
| CN103413608A (en) | High temperature resistant flexible cable for metallurgy and sheathing material thereof | |
| TWI817800B (en) | Fireproof transmission line | |
| CN204026041U (en) | Combined type alumina silicate felt | |
| CN205893083U (en) | Basalt fiber electric melting furnace wire drawing equipment with power -off protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140219 |
|
| WD01 | Invention patent application deemed withdrawn after publication |