High-temperature-resistant filtering material prepared on basis of inorganic materials, preparation device and preparation method of high-temperature-resistant filtering material

Abstract

The invention discloses a high-temperature-resistant filtering material prepared based on an inorganic material, a preparation device and a preparation method of the high-temperature-resistant filtering material, and belongs to the technical field of filtering materials, and the high-temperature-resistant filtering material prepared based on the inorganic material comprises a base material formed by mixing and weaving basalt fibers and glass fibers; the additive is prepared from the following components: 8 to 12 parts of borate glass powder, 5 to 7 parts of hydroxyapatite nano particles, 3 to 5 parts of graphene nano sheets, 10 to 15 parts of polyether-ether-ketone micro powder and 15 to 20 parts of water-based aluminum oxide sol; wherein the weight ratio of the base material to the additive is 1: (0.03-0.13). Benefited from the basic high-temperature-resistant characteristic of the basalt fibers and a stable structure and a thermal protection mechanism formed by the borate glass powder, the graphene nanosheets, the water-based aluminum oxide sol and other components at high temperature, the filtering material has excellent high-temperature-resistant performance and can adapt to a more stringent high-temperature environment.

Description

Technical Field

[0001] The present invention belongs to the technical field of filter materials for liquid fluids, and particularly relates to a high-temperature resistant filter material prepared based on inorganic materials, a preparation device thereof, and a preparation method thereof. Background Art

[0002] In high-temperature industrial environments, such as iron and steel smelting, thermal power generation, waste incineration, and chemical production, the purification treatment of high-temperature dust-containing gases is of crucial importance. When traditional filter materials face high-temperature working conditions, it is often difficult to meet the requirements of multiple aspects such as high-temperature resistance, high-efficiency filtration, chemical stability, and mechanical properties. Filter materials made of organic polymer materials exhibit good filtration performance at room temperature, but once in a high-temperature environment, they are prone to thermal decomposition, softening and deformation, resulting in a sharp decline in filtration efficiency and a significant shortening of service life. And some filter materials made of single inorganic materials, such as ordinary glass fiber filter materials, although they have a certain high-temperature resistance, have problems such as insufficient strength and poor tolerance to complex gas components, and cannot meet the stringent industrial requirements.

[0003] The invention patent with the publication number CN106268024A discloses a high-temperature resistant filter material and a preparation method thereof. Basalt fiber and glass fiber are mixed and woven into a filter cloth, and then dried after being impregnated with a chemical solution; the chemical solution is mixed by the following components in parts by weight: water, 45 - 55 parts; water-based inorganic resin, 20 - 30 parts; polyethylene glycol 400, 12 - 16 parts; nano magnesium oxide, 6 - 8 parts; nano graphite, 5 - 7 parts; nano silicon dioxide, 2 - 4 parts. The filter material provided by the present invention has excellent high-temperature resistance, and its tensile strength is still greater than 90% of the initial tensile strength after being tested for 48 hours in an environment of 700 °C.

[0004] The invention patent with the publication number CN107398121A discloses a production process of a basalt filter material, including the following steps: S1. Preparation of component raw materials: 10 - 12 parts of basalt fiber, 3 - 8 parts of mixed resin, 15 - 20 parts of film-forming agent, 15 - 25 parts of carbon fiber tube, 4 - 12 parts of synthetic fiber, 8 - 15 parts of inorganic phosphate flame retardant, 3 - 8 parts of reinforcing agent, and 3 - 6 parts of curing agent; S2. Wash 10 - 12 parts of basalt fiber with water, filter to remove impurities, put it into a dryer, at a temperature of 135 - 175 °C for 60 - 120 minutes, dry, and then store it in a sealed manner. The purpose of the invention is to address the drawbacks in the current technology, such as incomplete filtration of gases with high sulfur content and impurities, poor acid and alkali resistance, unsatisfactory deep filtration effect, easy clogging, and reduced service life of equipment, and to propose a production process of a basalt filter material with high temperature resistance, wear resistance, hydrolysis resistance, chemical corrosion resistance, and long service life.

[0005] To solve the above problems, the present invention provides a high-temperature resistant filter material prepared based on inorganic materials, aiming to integrate the advantages of the above two existing technologies, achieve the synergistic optimization of multiple properties, and meet the strict requirements for filter materials in complex high-temperature environments. Summary of the Invention

[0006] In view of the problems existing in the prior art, the present invention provides a high-temperature resistant filter material prepared based on inorganic materials, a preparation device thereof, and a preparation method thereof, which have the advantage of realizing the synergistic optimization of multiple properties and solve the problems of the prior art.

[0007] The present invention is realized as follows. The high-temperature resistant filter material prepared based on inorganic materials includes: a base material woven from a mixture of basalt fibers and glass fibers; an additive composed of the following components: 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nanoparticles, 3-5 parts of graphene nanosheets, 10-15 parts of polyetheretherketone micropowder, and 15-20 parts of aqueous alumina sol; wherein, the weight ratio of the base material to the additive is 1:0.03-0.13.

[0008] The preparation method of the high-temperature resistant filter material prepared based on inorganic materials is used to prepare the high-temperature resistant filter material prepared based on inorganic materials, and includes the following steps: Step S1, Fiber Pretreatment The basalt fibers and glass fibers are respectively subjected to surface treatment. The basalt fibers are treated by high-temperature calcination to remove surface impurities and enhance surface activity; the glass fibers are treated by plasma to produce a small rough structure on their surfaces and improve the bonding force with other components; then the two treated fibers are mixed according to a ratio and woven into a filter cloth with a specific porosity and strength; Step S2, Preparation of Functional Solution The borate glass powder, hydroxyapatite nanoparticles, graphene nanosheets, polyetheretherketone micropowder, and aqueous alumina sol are added to water according to a ratio and stirred evenly; Step S3, Impregnation and Curing The woven filter cloth is completely immersed in the functional solution for 45-75 minutes to allow the solution to fully penetrate into the fibers and gaps inside the filter cloth; after impregnation, the filter cloth is taken out and preliminarily dried in a vacuum environment to remove most of the moisture, and then cured at a temperature of 150-180 °C for 1-2 hours to form a firm attachment structure of the functional solution on the surface and inside of the filter cloth and enhance the performance of the material.

[0009] Preferably, the step of stirring evenly includes: fully mixing under high-speed stirring, controlling the stirring speed at 800-1200 revolutions per minute, and the stirring time at 2-3 hours to ensure that each component is evenly dispersed and a stable functional solution is formed.

[0010] Preferably in the present invention, the step of uniformly stirring includes: mixing through a preparation device of a high-temperature resistant filter material prepared based on inorganic materials and having a mixing function, and the preparation device of the high-temperature resistant filter material prepared based on inorganic materials and having a mixing function can stir the materials upward.

[0011] The preparation device of the high-temperature resistant filter material prepared based on inorganic materials includes a mixing barrel, a cover body is fixedly connected to the mixing barrel, a driving member is fixedly connected to the cover body, a first rotating shaft is fixedly connected to the output end of the driving member, a connecting piece is fixedly connected to the first rotating shaft, a first spiral blade is fixedly connected to the connecting piece, and the outer edge of the first spiral blade fits against the inner surface of the side wall of the mixing barrel.

[0012] Preferably in the present invention, the driving member includes a motor and a speed reducer; the output shaft of the motor is fixedly connected to the input shaft of the speed reducer; the speed reducer is fixedly connected to the middle of the upper surface of the cover body, and the output shaft of the speed reducer is connected to the first rotating shaft.

[0013] Preferably in the present invention, a fixed shaft is fixedly connected to the first spiral blade, a rolling roller is rotatably connected to the fixed shaft, and the rolling roller fits against the inner surface of the side wall of the mixing barrel.

[0014] Preferably in the present invention, threads are provided in the middle and lower parts of the fixed shaft, the fixed shaft is connected to the first spiral blade through the threads, and a nut is also connected to the threads, and the nut is locked on the surface of the first spiral blade; there are two rolling rollers, the upper rolling roller is rotatably connected to the fixed shaft through a bearing, and the lower rolling roller is sleeved on the fixed shaft.

[0015] Preferably in the present invention, a discharge pipe is provided at the lower side of the side wall of the mixing barrel, a second rotating shaft is provided in the discharge pipe, a second spiral blade is wound around the second rotating shaft, and the second spiral blade extends into the mixing barrel; the first rotating shaft and the second rotating shaft are connected by bevel gears.

[0016] Preferably in the present invention, a notch is opened at the end of the connecting piece, and the first spiral blade is clamped in the notch.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. High-temperature resistance: Benefiting from the basic high-temperature resistance characteristics of basalt fibers, as well as the stable structure and thermal protection mechanism formed by components such as borate glass powder, graphene nanosheets, and aqueous alumina sol at high temperatures, this filter material has excellent high-temperature resistance and can adapt to more severe high-temperature environments. 2. Chemical stability: The chemical stability of basalt fibers and glass fibers, combined with the synergistic effect of components such as borate glass powder, PEEK micropowder, and aqueous alumina sol, endows the material with excellent acid and alkali resistance, enabling it to be stably used in complex chemical environments for a long time and not easily being eroded by chemical substances. 3. Filtration performance: The special woven pore structure of the filter cloth, as well as the adsorption of hydroxyapatite nanoparticles and the special microfiltration channels formed by graphene nanosheets, endow the material with high-efficiency filtration ability for gases with high sulfur content and tiny impurities. The filtration efficiency is significantly improved, effectively reducing the occurrence of equipment blockage and greatly extending the service life of the equipment. 4. Mechanical properties: The high-strength foundation provided by glass fibers, combined with the synergistic strengthening effect between various additives and fibers, enables the material to have excellent tensile strength and wear resistance, and can withstand large pressures and frictions during the filtration process, ensuring the long-term stable operation of the material. Brief Description of the Drawings

[0018] Figure 1 is a schematic flow chart of the preparation method of the high-temperature resistant filter material prepared based on inorganic materials provided by an embodiment of the present invention; Figure 2 is a three-dimensional structure schematic diagram of the first perspective of the preparation device of the high-temperature resistant filter material prepared based on inorganic materials provided by an embodiment of the present invention; Figure 3 is a three-dimensional structure schematic diagram of the second perspective of the preparation device of the high-temperature resistant filter material prepared based on inorganic materials provided by an embodiment of the present invention; Figure 4 is provided by an embodiment of the present invention Figure 3 The enlarged structure schematic diagram of part A in; Figure 5 is a three-dimensional structure schematic diagram of the preparation device of the high-temperature resistant filter material prepared based on inorganic materials provided by an embodiment of the present invention with the bottom wall of the mixing barrel omitted; Figure 6 is provided by an embodiment of the present invention Figure 5 The enlarged structure schematic diagram of part B in.

[0019] In the figure: 1. Mixing barrel; 2. Cover body; 3. Driving member; 31. Motor; 32. Reducer; 4. First rotating shaft; 5. Connecting piece; 6. First spiral blade; 7. Fixed shaft; 8. Rolling roller; 9. Discharge pipe; 10. Second rotating shaft; 11. Second spiral blade. Detailed Embodiments

[0020] To further understand the content, features, and effects of the present invention, the following embodiments are exemplified and described in detail in conjunction with the drawings.

[0021] The structure of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] As Figures 1 to 6 shown, the high-temperature resistant filter material prepared based on inorganic materials provided by the embodiment of the present invention includes: a base material woven from a mixture of basalt fibers and glass fibers; an additive composed of the following components: 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nanoparticles, 3-5 parts of graphene nanosheets, 10-15 parts of polyetheretherketone micropowder, and 15-20 parts of aqueous alumina sol; wherein, the weight ratio of the base material to the additive is 1:0.03-0.13.

[0023] The basalt fibers and glass fibers are mixed and woven in a specific ratio (50%-70% basalt fibers, and the rest are glass fibers). The basalt fibers are made by drawing natural basalt ore after high-temperature melting, and have excellent high-temperature resistance, can withstand thermal shock in high-temperature environments, and have good chemical stability; the glass fibers, with their high strength and high modulus characteristics, can significantly improve the overall mechanical strength of the material. The combination of the two builds a stable and high-temperature resistant infrastructure.

[0024] The borate glass powder can form a glassy protective film at high temperatures, effectively fill the tiny gaps between the fibers, enhance the density of the material, improve the high-temperature resistance, and at the same time improve the chemical stability of the material and enhance its ability to resist acid and alkali erosion. The hydroxyapatite nanoparticles have unique adsorption properties, can physically adsorb sulfur-containing gases and tiny impurities, and improve the filtration efficiency of the material. In addition, it can also interact with the fiber surface, enhance the bonding force between the fibers, and improve the mechanical properties of the material. The graphene nanosheets, with their excellent electrical conductivity, thermal conductivity, and high mechanical strength, can significantly improve the overall performance of the material. In terms of high-temperature resistance, it can effectively disperse heat and prevent the material performance from decreasing due to local overheating; in terms of filtration performance, it helps to form special microfiltration channels and improve the interception ability of tiny particles; at the same time, it enhances the wear resistance of the material and extends the service life. The PEEK micropowder has good high-temperature stability and chemical stability, can fill the fiber gaps during impregnation, enhance the sealing performance and overall strength of the material, and its synergistic effect with other components improves the stability of the material in complex chemical environments. The aqueous alumina sol, as a binder and reinforcing agent, can make other additives firmly adhere to the fiber surface and form a stable structure. Alumina itself has high hardness and chemical stability, can enhance the wear resistance and chemical corrosion resistance of the material, and further improve the high-temperature resistance of the material.

[0025] A preparation method of a high-temperature resistant filter material prepared based on inorganic materials, used to prepare a high-temperature resistant filter material prepared based on inorganic materials, includes the following steps: Step S1, Fiber Pretreatment The basalt fibers and glass fibers are respectively subjected to surface treatment. The basalt fibers are treated by high-temperature calcination to remove surface impurities and enhance surface activity; the glass fibers are treated by plasma to produce tiny rough structures on their surfaces, improving the bonding force with other components; then the two treated fibers are mixed in proportion and woven into a filter cloth with a specific porosity and strength; Step S2, Preparation of Functional Solution Borate glass powder, hydroxyapatite nanoparticles, graphene nanosheets, polyetheretherketone micropowder and aqueous alumina sol are added to water in proportion and stirred evenly; Step S3, Impregnation and Curing The woven filter cloth is completely immersed in the functional solution for 45 - 75 minutes, allowing the solution to fully penetrate into the fibers and gaps of the filter cloth; after impregnation, the filter cloth is taken out and preliminarily dried in a vacuum environment to remove most of the moisture, and then cured at a temperature of 150 - 180 °C for 1 - 2 hours, so that the functional solution forms a firm attachment structure on the surface and inside of the filter cloth, enhancing the performance of the material.

[0026] In one embodiment, the step of stirring evenly includes: fully mixing under high-speed stirring, with the stirring speed controlled at 800 - 1200 revolutions per minute and the stirring time being 2 - 3 hours, ensuring that each component is evenly dispersed to form a stable functional solution.

[0027] In another embodiment, the step of stirring evenly includes: mixing through a preparation device for high-temperature resistant filter materials based on inorganic materials with a mixing function, and the preparation device for high-temperature resistant filter materials based on inorganic materials with a mixing function can stir the materials upward.

[0028] When mixing, there are the following two problems: 1. The problem of material adhesion to the inner wall of the mixing barrel 1; 2. The uneven density of various materials, resulting in the materials with a large density always being located at the lower layer and the materials with a small density being located at the relatively upper layer, resulting in uneven materials.

[0029] To solve the above problems simultaneously, the following device is provided: A preparation device for high-temperature resistant filter materials based on inorganic materials, including a mixing barrel 1, a cover body 2 fixedly connected to the mixing barrel 1, a driving member 3 fixedly connected to the cover body 2, a first rotating shaft 4 fixedly connected to the output end of the driving member 3, a connecting piece 5 fixedly connected to the first rotating shaft 4, and a first spiral blade 6 fixedly connected to the connecting piece 5, with the outer edge of the first spiral blade 6 fitting against the inner surface of the side wall of the mixing barrel 1.

[0030] Through this arrangement, the driving member 3 drives the first rotating shaft 4 to rotate, and the connecting piece 5 and the first spiral blade 6 on the first rotating shaft 4 rotate accordingly. The first spiral blade 6 pushes the material near the side wall of the mixing barrel 1 upward, and the material then flows downward from the middle of the mixing barrel 1 to form a cycle, thereby achieving the mixing of materials of different densities. At the same time, the outer edge of the first spiral blade 6 fits the inner surface of the side wall of the mixing barrel 1, and the material is hung on the inner wall of the barrel during the rotation process to prevent the material from adhering. In the specific implementation: first, the mixing barrel 1 is installed and fixed to ensure its stability. Then, the cover body 2 is firmly fixed on the mixing barrel 1, and a feed inlet can be opened on the cover body 2, and the driving member 3, such as a driving structure composed of a motor 31 and a reducer 32, is fixed on the cover body 2. The first rotating shaft 4 is connected so that one end of the first rotating shaft 4 is connected to the output end of the driving member 3, and the other end extends into the mixing barrel 1. The connecting piece 5 and the first spiral blade 6 are installed on the first rotating shaft 4 to ensure that the outer edge of the first spiral blade 6 fits tightly with the inner surface of the side wall of the mixing barrel 1. The driving member 3 is started, and the motor 31 drives the first rotating shaft 4 to rotate after the speed is adjusted by the reducer 32, and the material mixing operation begins.

[0031] Specifically, the driving member 3 includes a motor 31 and a reducer 32; the output shaft of the motor 31 is fixedly connected to the input shaft of the reducer 32; the reducer 32 is fixedly connected to the middle of the upper surface of the cover body 2, and the output shaft of the reducer 32 is connected to the first rotating shaft 4. The motor 31 serves as a power source, and the output shaft rotates to transmit power to the input shaft of the reducer 32. The reducer 32 reduces the speed output by the motor 31 and increases the torque according to the set transmission ratio, and then transmits it to the first rotating shaft 4 through the output shaft, so that the first rotating shaft 4 rotates at a suitable speed, thereby driving the first spiral blade 6 and the connecting piece 5 to stir the material.

[0032] Furthermore, the first spiral blade 6 is fixedly connected to a fixed shaft 7, and the fixed shaft 7 is rotatably connected to a rolling roller 8, and the rolling roller 8 is attached to the inner surface of the side wall of the mixing barrel 1. With this arrangement, when the first spiral blade 6 rotates, the fixed shaft 7 and the rolling roller 8 rotate accordingly. The rolling roller 8 is attached to the inner surface of the side wall of the mixing barrel 1. For materials agglomerated on the barrel wall, the rolling roller 8 rolls them during the rotation process, so that the agglomerated materials are broken, the materials are mixed evenly, and the mixing efficiency is improved.

[0033] Further, threads are provided in the middle and lower parts of the fixed shaft 7. The fixed shaft 7 is connected to the first spiral blade 6 through the threads, and a nut is also connected to the threads. The nut is locked to the surface of the first spiral blade 6. There are two rolling rollers 8. The upper rolling roller 8 is rotatably connected to the fixed shaft 7 through a bearing, and the lower rolling roller 8 is sleeved on the fixed shaft 7. Through this setting, on the one hand, the height of the fixed shaft 7 and the rolling roller 8 can be adjusted. On the other hand, by rotating the fixed shaft 7, the bottom end of the fixed shaft 7 can be used to squeeze the first spiral blade 6 of the next layer, so as to increase the distance between the two layers of first spiral blades 6. Moreover, it is also convenient to disassemble and install this structure. For example, simply rotating the fixed shaft 7 upward can complete the disassembly.

[0034] Further, a discharge pipe 9 is provided on the lower side of the side wall of the mixing barrel 1. A second rotating shaft 10 is provided in the discharge pipe 9. A second spiral blade 11 is wound around the second rotating shaft 10, and the second spiral blade 11 extends into the mixing barrel 1. The first rotating shaft 4 and the second rotating shaft 10 are connected by bevel gears.

[0035] Through this setting, when the first spiral blade 6 stirs the material upward, the second spiral blade 11 stirs the material towards the center of the mixing barrel 1. On the one hand, it can prevent the material from being discharged. On the other hand, it can play a stirring effect (at the bottom of the mixing barrel 1, the material moves from the center to the periphery, and the second spiral blade 11 can also stir the material in the reverse direction, which can improve the mixing effect to a certain extent). When the material needs to be discharged, the first rotating shaft 4 can be rotated in the reverse direction, so that the second spiral blade 11 can stir the material towards the outside of the discharge pipe 9, thus completing the discharge. In this way, on the one hand, an electromagnetic valve is not required to control the discharge pipe 9, and on the other hand, there will be no material blockage.

[0036] Install the discharge pipe 9 at a suitable position on the lower side of the side wall of the mixing barrel 1, install the second rotating shaft 10 in the discharge pipe 9, and ensure that the second rotating shaft 10 can rotate freely (for example, the second rotating shaft 10 can be connected to the bottom wall of the mixing barrel 1 through a bearing seat). Wind the second spiral blade 11 around the second rotating shaft 10 so that the second spiral blade 11 can cover a certain area in the discharge pipe 9. Install bevel gears to connect the first rotating shaft 4 and the second rotating shaft 10 through bevel gears to ensure smooth transmission. During normal mixing, the first rotating shaft 4 rotates forward to drive the second spiral blade 11 to stir the material towards the center of the mixing barrel 1. When discharging, control the first rotating shaft 4 to rotate in the reverse direction, and the second spiral blade 11 discharges the material.

[0037] Further, a notch is provided at the end of the connecting piece, and the first spiral blade 6 is clamped in the notch.

[0038] The working principle of the present invention: The base material and the additive are mixed in a weight ratio of 1:0.03 - 0.13, and each component plays its own advantages and synergizes with each other. The additive makes up for the deficiencies of the base material in certain properties, such as filling gaps, enhancing adsorption, improving stability, etc.; the base material provides an attachment basis for the additive, and their combined action enables the material to have excellent high-temperature resistance, efficient filtration performance, good chemical stability and mechanical properties, meeting the requirements for filter materials in complex high-temperature environments.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0040] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant filter material prepared based on inorganic materials, characterized in that: include: A base material made of a mixture of basalt fiber and glass fiber; An additive consisting of the following ingredients: 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nanoparticles, 3-5 parts of graphene nanosheets, 10-15 parts of polyetheretherketone micropowder, and 15-20 parts of aqueous alumina sol; The weight ratio of the base material to the additive is 1:0.03-0.

13.

2. A method for preparing a high temperature resistant filter material based on inorganic materials, characterized in that: The method for preparing the high temperature resistant filter material based on inorganic materials according to claim 1 comprises the following steps: Step S1, fiber pretreatment The basalt fiber and glass fiber are subjected to surface treatment respectively. The basalt fiber is treated by high temperature calcination to remove surface impurities and enhance surface activity; the glass fiber is treated by plasma to produce a tiny rough structure on its surface to improve the bonding strength with other components; The two treated fibers are then mixed in proportion and woven into filter cloth with specific porosity and strength; Step S2, functional solution preparation Add borate glass powder, hydroxyapatite nanoparticles, graphene nanosheets, polyetheretherketone powder and aqueous alumina sol into water in proportion and stir evenly; Step S3: impregnation and curing Immerse the woven filter cloth completely in the functional solution for 45-75 minutes to allow the solution to fully penetrate into the fibers and gaps of the filter cloth; After the impregnation is completed, the filter cloth is taken out and preliminarily dried in a vacuum environment to remove most of the moisture, and then cured at a temperature of 150-180°C for 1-2 hours, so that the functional solution forms a firm adhesion structure on the surface and inside of the filter cloth to enhance the performance of the material.

3. The method for preparing a high temperature resistant filter material based on inorganic materials as claimed in claim 2, characterized in that: The stirring step comprises: Mix thoroughly under high-speed stirring, the stirring speed is controlled at 800-1200 rpm, and the stirring time is 2-3 hours to ensure that all ingredients are evenly dispersed to form a stable functional solution.

4. The method for preparing a high temperature resistant filter material based on inorganic materials as claimed in claim 2, characterized in that: The stirring step comprises: The mixing is performed by a preparation device for high temperature resistant filter material prepared from inorganic materials with a mixing function, and the preparation device for high temperature resistant filter material prepared from inorganic materials with a mixing function can push the material upwards.

5. A device for preparing a high temperature resistant filter material based on inorganic materials, characterized in that: The invention comprises a mixing barrel (1), the mixing barrel (1) being fixedly connected to a cover body (2), the cover body (2) being fixedly connected to a driving member (3), the output end of the driving member (3) being fixedly connected to a first rotating shaft (4), the first rotating shaft (4) being fixedly connected to a connecting piece (5), the connecting piece (5) being fixedly connected to a first spiral blade (6), the outer edge of the first spiral blade (6) being in contact with the inner surface of the side wall of the mixing barrel (1).

6. The device for preparing a high temperature resistant filter material based on inorganic materials according to claim 5, characterized in that: The driving member (3) comprises a motor (31) and a reducer (32); The output shaft of the motor (31) is fixedly connected to the input shaft of the reducer (32); The reducer (32) is fixedly connected to the middle portion of the upper surface of the cover body (2), and the output shaft of the reducer (32) is connected to the first rotating shaft (4).

7. The device for preparing a high temperature resistant filter material based on inorganic materials according to claim 5 or 6, characterized in that: The first spiral blade (6) is fixedly connected to a fixed shaft (7), and the fixed shaft (7) is rotatably connected to a rolling roller (8), and the rolling roller (8) is attached to the inner surface of the side wall of the mixing barrel (1).

8. The device for preparing a high temperature resistant filter material based on inorganic materials according to claim 7, characterized in that: The middle and lower parts of the fixed shaft (7) are provided with threads, the fixed shaft (7) is connected to the first spiral blade (6) via the threads, and a nut is also connected to the threads, the nut is locked on the surface of the first spiral blade (6); The rolling rollers (8) are two in number, the upper rolling roller (8) being rotatably connected to the fixed shaft (7) via a bearing, and the lower rolling roller (8) being sleeved on the fixed shaft (7).

9. The device for preparing a high temperature resistant filter material based on inorganic materials as claimed in claim 8, characterized in that: A discharge pipe (9) is provided on the lower side of the side wall of the mixing barrel (1), a second rotating shaft (10) is provided in the discharge pipe (9), a second spiral blade (11) is provided around the second rotating shaft (10), and the second spiral blade (11) extends into the mixing barrel (1); The first rotating shaft (4) and the second rotating shaft (10) are connected via a bevel gear transmission.

10. The device for preparing a high temperature resistant filter material based on inorganic materials according to claim 5, characterized in that: A notch is provided at the end of the connecting piece, and the first spiral blade (6) is snap-fitted into the notch.

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