阅读说明：本技术 一种耐高温纤维片及制备方法和纤维辊压装方法 (High-temperature-resistant fiber sheet, preparation method and fiber roll pressing method ) 是由 郑瑜 于 2020-07-16 设计创作，主要内容包括：一种耐高温纤维片及制备方法和纤维辊压装方法,包括以下原料制备而成：陶瓷纤维45-60%；矿物纤维5?15%；粘土矿物10-20%；二氧化硅10-20%；其余为水。其制备方法,包括如下步骤：配料、搅拌、成型、冲压、烘干。一种纤维辊压装方法,准备、吊装、取片、压装。本发明制作方便,耐高温性能好,不易出现高温下烧结,表面硬度适宜,不易划伤高温下的带钢,提高了炉辊的使用寿命,大幅度提高了带钢表面质量,降低了生产成本。(A high-temperature resistant fiber sheet, a preparation method and a fiber roller pressing method are disclosed, and the high-temperature resistant fiber sheet is prepared from the following raw materials: 45-60% of ceramic fiber; 5-15% of mineral fiber; 10-20% of clay mineral; 10-20% of silicon dioxide; the balance of water. The preparation method comprises the following steps: material preparation, stirring, forming, stamping and drying. A fiber roller pressing method comprises the steps of preparing, hoisting, taking a piece and pressing. The invention has the advantages of convenient manufacture, good high temperature resistance, difficult sintering at high temperature, proper surface hardness, difficult scratching of the strip steel at high temperature, prolonged service life of the furnace roller, greatly improved surface quality of the strip steel and reduced production cost.)

1. The high-temperature-resistant fiber sheet is characterized by being prepared from the following raw materials:

45-60 percent of ceramic fiber

5 to 15 percent of mineral fiber

Clay mineral 10-20%

10 to 20 percent of silicon dioxide

The balance of water.

2. A high temperature resistant fibrous sheet according to claim 1, wherein: the mineral fiber is obtained from mineral rock with fibrous structure, and is one or more of silicon dioxide, aluminum oxide and magnesium oxide.

3. A high temperature resistant fibrous sheet according to claim 1, wherein: the clay mineral is: the silicate mineral has a layered structure and plasticity after being added with water.

4. A high temperature resistant fibrous sheet according to claim 1, wherein: the silica is white powdery amorphous silica.

5. A high temperature resistant fibrous sheet according to claim 1 or 3, wherein: the silicate mineral has a particle size of less than 0.01 mm.

6. A fiber roll, characterized by: the fiber roller is made of the high temperature resistant fiber sheet of any one of claims 1 to 6.

7. A method for preparing a high temperature resistant fiber sheet according to any one of claims 1 to 5, comprising the steps of:

step 1), preparing materials: weighing the following raw materials according to a formula: ceramic fiber, mineral fiber, clay mineral and silicon dioxide are respectively placed in different containers;

step 2), stirring: adding water into a stirring box, then adding the ceramic fibers and the mineral fibers into the stirring box, and stirring for 60-80 minutes to disperse the ceramic fibers and the mineral fibers; adding clay minerals and silicon dioxide into the stirring box, and stirring for 60-80 minutes to obtain mixed slurry;

step 3), forming: feeding the mixed slurry into a cylinder paper machine, and manufacturing a 5-10 mm thick fiberboard by papermaking;

step 4), stamping: punching the fiber board into annular fiber sheets with corresponding specifications;

step 5), drying: and (3) putting the annular fiber sheet into an oven, setting the temperature to be 150-200 ℃, and preserving the heat for 32-40 time to obtain a finished product.

8. A fiber roller pressing method is characterized in that: the method comprises the following steps:

step 1), preparing, calculating the using amount of fiber sheets on the surface of a roller according to the length of the roller, and properly adding 10-20 standby sheets; putting the fiber sheets to be assembled into an oven, setting the temperature to be 120-140 ℃, and baking for 12-14 hours;

step 2), hoisting, namely hoisting the roller core to the position right above an oil cylinder of the vertical fiber piece press-fitting machine by using a portal crane, so that the roller core is vertically erected in a piston rod of the oil cylinder;

step 3), taking the fiber piece, wherein the fiber piece is taken out of an oven before press mounting, the temperature in the oven is required to be ensured to be 60-90 degrees, and the fiber piece is lightly taken and placed on an operation platform;

step 4), press fitting, namely sleeving the fiber sheets on the roller core, inspecting the fiber sheets while sleeving the fiber sheets, wherein the fiber sheets are not suitable for use when the edge breakage exceeds more than 3mm, and sleeving one stainless steel sheet on each 10 sleeved fiber sheets; press mounting is carried out twice, the compression ratio is 0.7 for upward pressing after the length of the sheet is measured in the first sheet sleeving process, and the pressing is released after the pressure is maintained for 5-10 minutes; and (5) matching the lengthening sleeve for the second time to sleeve all the fiber sheets, sleeving the flange to pressurize to a specified position, then installing the sleeve and positioning the flange, and locking to complete press mounting.

Technical Field

The invention relates to the field of materials, in particular to a high-temperature-resistant fiber sheet, a preparation method and a fiber roll pressing method.

Background

The stainless steel cold rolling continuous annealing furnace has working temperature as high as 1150 deg.c, and the cold rolling stainless steel band is annealed continuously inside the furnace and supported by high temperature resisting non-metal roller. The non-metal roller is sintered at high temperature, has high surface hardness, is easy to scratch strip steel at high temperature, has poor high temperature resistance, has no elasticity at high temperature, has large shrinkage in the use process, has cracks, and is easy to cause the surface defects of the strip steel, so that the product is reduced to secondary grade or judged to be scrap steel, and the yield of the product is directly influenced.

Disclosure of Invention

The invention aims to solve the technical problems and provides a high-temperature-resistant fiber sheet, a preparation method and a fiber roll pressing method.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: the high-temperature-resistant fiber sheet is characterized by being prepared from the following raw materials:

45-60 percent of ceramic fiber

5 to 15 percent of mineral fiber

Clay mineral 10-20%

10 to 20 percent of silicon dioxide

The balance of water.

Preferably: the mineral fiber is obtained from mineral rock with fibrous structure, and is one or more of silicon dioxide, aluminum oxide and magnesium oxide.

Preferably: the clay mineral is: the silicate mineral has a layered structure and plasticity after being added with water.

Preferably: the silica is white powdery amorphous silica.

Preferably: the silicate mineral has a particle size of less than 0.01 mm.

Preferably: the fiber roller is made of the high-temperature resistant fiber sheet.

The preparation method of the high-temperature resistant fiber sheet is characterized by comprising the following steps of:

step 1), preparing materials: weighing the following raw materials according to a formula: ceramic fiber, mineral fiber, clay mineral and silicon dioxide are respectively placed in different containers;

step 2), stirring: adding water into a stirring box, then adding the ceramic fibers and the mineral fibers into the stirring box, and stirring for 60-80 minutes to disperse the ceramic fibers and the mineral fibers; adding clay minerals and silicon dioxide into the stirring box, and stirring for 60-80 minutes to obtain mixed slurry;

step 3), forming: feeding the mixed slurry into a cylinder paper machine, and manufacturing a 5-10 mm thick fiberboard by papermaking;

step 4), stamping: punching the fiber board into annular fiber sheets with corresponding specifications;

step 5), drying: and (3) putting the annular fiber sheet into an oven, setting the temperature to be 150-200 ℃, and preserving the heat for 32-40 hours to obtain a finished product.

A fiber roller pressing method is characterized in that: the method comprises the following steps:

step 1), preparing, calculating the using amount of fiber sheets on the surface of a roller according to the length of the roller, and properly adding 10-20 standby sheets; putting the fiber sheets to be assembled into an oven, setting the temperature to be 120-140 ℃, and baking for 12-14 hours;

step 2), hoisting, namely hoisting the roller core to the position right above an oil cylinder of the vertical fiber piece press-fitting machine by using a portal crane, so that the roller core is vertically erected in a piston rod of the oil cylinder;

step 3), taking the fiber piece, wherein the fiber piece is taken out of an oven before press mounting, the temperature in the oven is required to be ensured to be 60-90 degrees, and the fiber piece is lightly taken and placed on an operation platform;

step 4), press fitting, namely sleeving the fiber sheets on the roller core, inspecting the fiber sheets while sleeving the fiber sheets, wherein the fiber sheets are not suitable for use when the edge breakage exceeds more than 3mm, and sleeving one stainless steel sheet on each 10 sleeved fiber sheets; press mounting is carried out twice, the compression ratio is 0.7 for upward pressing after the length of the sheet is measured in the first sheet sleeving process, and the pressing is released after the pressure is maintained for 5-10 minutes; and (5) matching the lengthening sleeve for the second time to sleeve all the fiber sheets, sleeving the flange to pressurize to a specified position, then installing the sleeve and positioning the flange, and locking to complete press mounting.

The invention has the beneficial effects that: the furnace roller has the advantages of convenient manufacture, good high temperature resistance, difficult sintering at high temperature, proper surface hardness, difficult scratching of strip steel at high temperature, prolonged service life, greatly improved surface quality of the strip steel and reduced production cost.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The examples do not specify particular techniques or conditions, according to techniques or conditions described in the literature in the field or according to the product specifications. The instruments and the like are conventional products which are purchased by normal distributors and are not indicated by manufacturers.

A method for preparing a high-temperature resistant fiber sheet and an implementation mode of a fiber roller pressing method.