CN120204814A - High temperature resistant filter material prepared based on inorganic materials, preparation device and preparation method thereof - Google Patents
High temperature resistant filter material prepared based on inorganic materials, preparation device and preparation method thereof Download PDFInfo
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- CN120204814A CN120204814A CN202510448772.XA CN202510448772A CN120204814A CN 120204814 A CN120204814 A CN 120204814A CN 202510448772 A CN202510448772 A CN 202510448772A CN 120204814 A CN120204814 A CN 120204814A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2003—Glass or glassy material
- B01D39/2017—Glass or glassy material the material being filamentary or fibrous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/833—Devices with several tools rotating about different axis in the same receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
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- Inorganic Chemistry (AREA)
- Filtering Materials (AREA)
Abstract
本发明公开了基于无机材料制备的耐高温过滤材料、制备装置及其制备方法，属于滤料技术领域，其中，基于无机材料制备的耐高温过滤材料，包括：由玄武岩纤维和玻璃纤维混合织造成的基料；由以下成分构成的添加剂：硼酸盐玻璃粉8‑12份、羟基磷灰石纳米粒子：5‑7份、石墨烯纳米片：3‑5份、聚醚醚酮微粉10‑15份、水性氧化铝溶胶15‑20份；其中，基料和添加剂的重量比例为1:0.03‑0.13。该发明得益于玄武岩纤维的基础耐高温特性，以及硼酸盐玻璃粉、石墨烯纳米片和水性氧化铝溶胶等成分在高温下形成的稳定结构和热防护机制，该过滤材料具有出色的耐高温性能，能适应更严苛的高温环境。
The present invention discloses a high temperature resistant filter material, a preparation device and a preparation method thereof prepared based on inorganic materials, and belongs to the field of filter material technology. The high temperature resistant filter material prepared based on inorganic materials includes: a base material woven from a mixture of basalt fiber and glass fiber; 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. The invention benefits from the basic high temperature resistant properties of basalt fiber, 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. The filter material has excellent high temperature resistance and can adapt to more severe high temperature environments.
Description
Technical Field
The invention belongs to the technical field of filter materials for liquid fluid, and particularly relates to a high-temperature-resistant filter material prepared based on an inorganic material, a preparation device and a preparation method thereof.
Background
In the fields of high-temperature industrial environments, such as steel smelting, thermal power generation, garbage incineration, chemical production and the like, the purification treatment of high-temperature dust-containing gas is very important. When the traditional filter material faces high-temperature working conditions, the traditional filter material is difficult to meet the requirements of high temperature resistance, high-efficiency filtration, chemical stability, mechanical properties and the like. Although the filter material made of the organic polymer material has good filtering performance at normal temperature, once the filter material is in a high-temperature environment, the filter material is easy to be thermally decomposed, softened and deformed, so that the filtering efficiency is drastically reduced, and the service life is greatly shortened. While a part of filter materials made of single inorganic materials, such as common glass fiber filter materials, have certain high temperature resistance, but have the problems of insufficient strength and poor tolerance to complex gas components, and cannot meet the strict industrial requirements.
The invention discloses a high-temperature-resistant filter material and a preparation method thereof, wherein basalt fibers and glass fibers are mixed and woven into filter cloth, and the filter cloth is prepared by dipping and drying a chemical solution, wherein the chemical solution is prepared by mixing, by weight, 45-55 parts of water, 20-30 parts of aqueous inorganic resin, 400-12-16 parts of polyethylene glycol, 6-8 parts of nano magnesium oxide, 5-7 parts of nano graphite and 2-4 parts of nano silicon dioxide. The filter material provided by the invention has excellent high temperature resistance, and the tensile strength of the filter material is still more than 90% of the initial tensile strength after being tested for 48 hours at 700 ℃.
The invention discloses a production process of basalt filtering material, which comprises the following steps of S1, preparing 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, washing 10-12 parts of basalt fiber with water, filtering to remove impurities, placing into a dryer at 135-175 ℃ for 60-120 minutes, drying, and hermetically preserving. The invention aims at solving the defects of incomplete filtration of gas and impurities with high sulfur content, poor acid and alkali resistance, poor depth filtration effect, easy blockage and reduction of the service life of equipment in the prior art, and provides a production process of basalt filter material with high temperature resistance, wear resistance, hydrolysis resistance, chemical corrosion resistance and long service life.
In order to solve the problems, the invention provides a high-temperature resistant filter material prepared based on an inorganic material, which aims to combine the advantages of the two prior arts and realize the cooperative optimization of multiple performances so as to adapt to the strict requirements on the filter material in a complex high-temperature environment.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the high-temperature resistant filter material prepared based on the inorganic material, the preparation device and the preparation method thereof, has the advantage of realizing the cooperative optimization of multiple performances, and solves the problems in the prior art.
The invention discloses a high-temperature resistant filter material prepared based on an inorganic material, which comprises a base material formed by mixing and weaving basalt fibers and glass fibers, and an additive composed of 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nano particles, 3-5 parts of graphene nano sheets, 10-15 parts of polyether-ether-ketone micro powder 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.
The preparation method of the high-temperature-resistant filter material prepared based on the inorganic material is used for preparing the high-temperature-resistant filter material prepared based on the inorganic material and comprises the following steps of:
Step S1, fiber pretreatment
And respectively carrying out surface treatment on the basalt fiber and the glass fiber. The basalt fiber is calcined at high temperature to remove surface impurities and enhance surface activity, and the glass fiber is treated by plasma to generate a tiny coarse structure on the surface of the glass fiber to improve the binding force with other components;
Step S2, preparing functional solution
Adding borate glass powder, hydroxyapatite nano particles, graphene nano sheets, polyether-ether-ketone micro powder and aqueous alumina sol into water according to a proportion, and uniformly stirring;
Step S3, dipping and curing
The woven filter cloth is fully immersed into the functional solution for 45-75 minutes to enable the solution to fully permeate into the fiber inside and gaps of the filter cloth, after the impregnation is finished, the filter cloth is taken out, is subjected to preliminary drying in a vacuum environment to remove most of water, is subjected to curing treatment at the temperature of 150-180 ℃ for 1-2 hours, so that the functional solution forms a firm adhesion structure on the surface and inside of the filter cloth, and the performance of the material is enhanced.
The stirring step comprises the steps of fully mixing under high-speed stirring, wherein the stirring speed is controlled to be 800-1200 r/min, and the stirring time is 2-3 hours, so that the components are uniformly dispersed, and a stable functional solution is formed.
Preferably, the stirring and homogenizing step comprises the step of mixing by a device for preparing the high-temperature-resistant filter material with a mixing function based on the inorganic material, wherein the device for preparing the high-temperature-resistant filter material with the mixing function based on the inorganic material can dial materials upwards.
The utility model provides a high temperature resistant filter material's preparation facilities based on inorganic material preparation, includes the mixing drum, fixedly connected with lid on the mixing drum, fixedly connected with driving piece on the lid, the output fixedly connected with first pivot of driving piece, fixedly connected with connection piece in the first pivot, fixedly connected with first helical blade on the connection piece, first helical blade's outward flange laminating in the lateral wall internal surface of mixing drum.
The driving piece comprises a motor and a speed reducer, wherein an output shaft of the motor is fixedly connected with an input shaft of the speed reducer, the speed reducer is fixedly connected with the middle part of the upper surface of the cover body, and an output shaft of the speed reducer is connected with the first rotating shaft.
As the preferable mode of the invention, the first helical blade is fixedly connected with a fixed shaft, the fixed shaft is rotatably connected with a rolling roller, and the rolling roller is attached to the inner surface of the side wall of the mixing drum.
The invention is characterized in that the middle part and the lower part of the fixed shaft are provided with threads, the fixed shaft is connected with the first helical blade through the threads, the threads are also connected with nuts, the nuts are locked on the surface of the first helical blade, the number of the rolling rollers is two, the upper rolling rollers are rotatably connected with the fixed shaft through bearings, and the lower rolling rollers are sleeved with the fixed shaft.
As the preferable mode of the invention, the lower side of the side wall of the mixing barrel is provided with a discharge pipe, a second rotating shaft is arranged in the discharge pipe, a second spiral blade is arranged on the second rotating shaft in a surrounding mode, the second spiral blade extends into the mixing barrel, and the first rotating shaft and the second rotating shaft are connected through bevel gears in a transmission mode.
Preferably, a notch is formed at the end of the connecting sheet, and the first spiral blade is clamped in the notch.
Compared with the prior art, the invention has the following beneficial effects:
1. the high temperature resistance is benefited from the basic high temperature resistance of basalt fiber, and the stable structure and the heat protection mechanism formed by borate glass powder, graphene nanosheets, aqueous alumina sol and other components at high temperature, and the filter material has excellent high temperature resistance and can adapt to more severe high temperature environment.
2. Chemical stability, namely, the chemical stability of basalt fiber and glass fiber, and the synergistic effect of borate glass powder, PEEK micropowder, aqueous alumina sol and other components are combined, so that the material has excellent acid and alkali resistance, can be stably used in a complex chemical environment for a long time, and is not easy to be corroded by chemical substances.
3. The special woven pore structure of the filter cloth, the adsorption effect of the hydroxyapatite nano particles and the special micro-filtration channel formed by the graphene nano sheets enable the material to have high-efficiency filtration capability on gases and tiny impurities with high sulfur content, the filtration efficiency is obviously improved, the occurrence of equipment blockage can be effectively reduced, and the service life of equipment is greatly prolonged.
4. The mechanical properties are that the high strength basis provided by the glass fiber and the synergistic enhancement between each additive and the fiber enable the material to have excellent tensile strength and wear resistance, and can bear larger pressure and friction in the filtration process, thus ensuring the long-term stable operation of the material.
Drawings
FIG. 1 is a schematic flow chart of a method for preparing a high temperature resistant filter material based on an inorganic material according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a first view angle of a device for preparing a high temperature resistant filter material based on an inorganic material according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a second view angle of a device for preparing a high temperature resistant filter material based on an inorganic material according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3 according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a bottom wall of an omitted mixing drum of a device for preparing a high temperature resistant filter material based on an inorganic material according to an embodiment of the present invention;
Fig. 6 is an enlarged schematic view of the portion B in fig. 5 according to an embodiment of the present invention.
The device comprises a mixing drum 1, a cover body 2, a driving part 3, a motor 31, a motor 32, a speed reducer 4, a first rotating shaft 5, a connecting sheet 6, a first spiral blade 7, a fixed shaft 8, a grinding roller 9, a discharge pipe 10, a second rotating shaft 11 and a second spiral blade.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the high temperature resistant filter material prepared based on an inorganic material according to the embodiment of the present invention includes:
A base material woven by basalt fibers and glass fibers;
The additive comprises 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nano particles, 3-5 parts of graphene nano sheets, 10-15 parts of polyether-ether-ketone micro powder 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.
The basalt fiber and the glass fiber are mixed and woven according to a specific proportion (50% -70% of basalt fiber and the balance glass fiber). The basalt fiber is made of natural basalt ore through wiredrawing after high-temperature melting, has excellent high-temperature resistance, can bear thermal shock in a high-temperature environment, has good chemical stability, and can remarkably improve the integral mechanical strength of the material by virtue of the high-strength and high-modulus characteristics of the glass fiber. The two are combined to construct a stable and high-temperature-resistant basic framework.
The borate glass powder can form a glassy protective film at high temperature, so that tiny gaps among fibers are effectively filled, the density of the material is enhanced, the high temperature resistance is improved, the chemical stability of the material is improved, and the acid and alkali corrosion resistance of the material is enhanced. The hydroxyapatite nano particles have unique adsorption performance, can physically adsorb sulfur-containing gas and tiny impurities, and improve the filtering efficiency of the material. In addition, it can also interact with the fiber surface to strengthen the bonding force between the fibers and improve the mechanical property of the material. The graphene nanoplatelets can significantly improve the overall performance of the material by virtue of their excellent electrical conductivity, thermal conductivity, and high mechanical strength. The high-temperature-resistant heat-resistant material can effectively disperse heat, prevent material performance from being reduced due to local overheating, is favorable for forming a special micro-filtration channel in filtration performance, improves interception capability of tiny particles, enhances wear resistance of the material, and prolongs service life. The PEEK micro powder has good high-temperature stability and chemical stability, can fill fiber gaps in the impregnation process, enhances the sealing performance and the overall strength of the material, and can be used for improving the stability of the material in a complex chemical environment by synergistic effect with other components. The aqueous alumina sol is used as a binder and a reinforcing agent, and can enable other additives to be firmly attached to the surface of the fiber to form a stable structure. The alumina has higher hardness and chemical stability, can enhance the wear resistance and chemical corrosion resistance of the material, and further improves the high temperature resistance of the material.
The preparation method of the high-temperature-resistant filter material prepared based on the inorganic material is used for preparing the high-temperature-resistant filter material prepared based on the inorganic material and comprises the following steps of:
Step S1, fiber pretreatment
And respectively carrying out surface treatment on the basalt fiber and the glass fiber. The basalt fiber is calcined at high temperature to remove surface impurities and enhance surface activity, and the glass fiber is treated by plasma to generate a tiny coarse structure on the surface of the glass fiber to improve the binding force with other components;
Step S2, preparing functional solution
Adding borate glass powder, hydroxyapatite nano particles, graphene nano sheets, polyether-ether-ketone micro powder and aqueous alumina sol into water according to a proportion, and uniformly stirring;
Step S3, dipping and curing
The woven filter cloth is fully immersed into the functional solution for 45-75 minutes to enable the solution to fully permeate into the fiber inside and gaps of the filter cloth, after the impregnation is finished, the filter cloth is taken out, is subjected to preliminary drying in a vacuum environment to remove most of water, is subjected to curing treatment at the temperature of 150-180 ℃ for 1-2 hours, so that the functional solution forms a firm adhesion structure on the surface and inside of the filter cloth, and the performance of the material is enhanced.
In one embodiment, the step of uniformly stirring comprises fully mixing under high-speed stirring, wherein the stirring speed is controlled to be 800-1200 r/min, and the stirring time is 2-3 hours, so that the components are uniformly dispersed, and a stable functional solution is formed.
In another embodiment, the step of uniformly stirring comprises the step of mixing by a device for preparing the high-temperature resistant filter material with a mixing function based on the inorganic material, wherein the device for preparing the high-temperature resistant filter material with the mixing function based on the inorganic material can dial the material upwards.
When mixed, there are two problems:
1. The problem of material adhesion on the inner wall of the mixing drum 1;
2. Various material density is inhomogeneous, leads to the material that the density is big to be located the lower floor all the time, and the material that the density is little is located relative upper strata, leads to the material inhomogeneous.
In order to solve the above problems at the same time, the following means are provided:
The utility model provides a high temperature resistant filter material's preparation facilities based on inorganic material preparation, includes mixing drum 1, fixedly connected with lid 2 on the mixing drum 1, fixedly connected with driving piece 3 on the lid 2, the first pivot 4 of output fixedly connected with of driving piece 3, fixedly connected with connection piece 5 in the first pivot 4, fixedly connected with first helical blade 6 on the connection piece 5, the outward flange laminating of first helical blade 6 in the lateral wall internal surface of mixing drum 1.
By this arrangement the driving member 3 drives the first shaft 4 in rotation, with which the connecting piece 5 and the first helical blade 6 on the first shaft 4 rotate. The first helical blade 6 dials up the material close to the side wall of the mixing drum 1, and the material flows downwards from the middle part of the mixing drum 1 to form circulation, so that the mixing of materials with different densities is realized. Simultaneously, the outer edge of the first helical blade 6 is attached to the inner surface of the side wall of the mixing drum 1, and the material is hung on the inner wall of the drum in the rotating process, so that the attachment of the material is prevented. In the concrete implementation, firstly, the mixing drum 1 is installed and fixed well, and the stability of the mixing drum is ensured. Then, the cover 2 is firmly fixed on the mixing drum 1, a feed inlet can be formed on the cover 2, and a driving structure composed of a driving member 3 such as a motor 31 and a speed reducer 32 is fixed on the cover 2. The first rotating shaft 4 is connected, one end of the first rotating shaft 4 is connected with the output end of the driving piece 3, and the other end extends into the mixing barrel 1. The connecting piece 5 and the first helical blade 6 are arranged on the first rotating shaft 4, so that the outer edge of the first helical blade 6 is tightly attached to the inner surface of the side wall of the mixing drum 1. The driving part 3 is started, the motor 31 runs to drive the first rotating shaft 4 to rotate after the rotating speed is regulated by the speed reducer 32, and the material mixing operation is started.
Specifically, the driving piece 3 comprises a motor 31 and a speed reducer 32, an output shaft of the motor 31 is fixedly connected to an input shaft of the speed reducer 32, the speed reducer 32 is fixedly connected to the middle part of the upper surface of the cover body 2, and an output shaft of the speed reducer 32 is connected with 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 speed reducer 32. The speed reducer 32 reduces the rotation speed output by the motor 31 and increases the torque according to the set transmission ratio, and then the torque is transmitted to the first rotating shaft 4 through the output shaft, so that the first rotating shaft 4 rotates at a proper rotation speed, and the first helical blade 6 and the connecting sheet 5 are driven to stir materials.
Further, the first helical blade 6 is fixedly connected with a fixed shaft 7, the fixed shaft 7 is rotatably connected with a rolling roller 8, and the rolling roller 8 is attached to the inner surface of the side wall of the mixing drum 1. With this arrangement, when the first helical blade 6 rotates, the fixed shaft 7 and the laminating roller 8 rotate accordingly. The roller 8 laminating mixing drum 1 lateral wall internal surface rolls it at the material of staving caking, makes caking material broken, promotes the material misce bene, improves mixing efficiency at the rotation in-process to roller 8.
Further, threads are arranged at the middle part and the lower part of the fixed shaft 7, the fixed shaft 7 is connected with the first helical blade 6 through the threads, nuts are further connected to the threads and locked on the surface of the first helical blade 6, two rolling rollers 8 are arranged, the upper rolling rollers 8 are rotatably connected with the fixed shaft 7 through bearings, and the lower rolling rollers 8 are sleeved on the fixed shaft 7. By this arrangement, on the one hand, the height of the fixed shaft 7 and the roller 8 can be adjusted, and on the other hand, the first helical blade 6 of one layer can be pressed down by rotating the fixed shaft 7 to the bottom end of the fixed shaft 7, thereby increasing the pitch of the two first helical blades 6. And, the structure can be easily disassembled and assembled, for example, the disassembly can be completed by only rotating the fixed shaft 7 upwards.
Further, a discharge pipe 9 is arranged at the lower side of the side wall of the mixing barrel 1, a second rotating shaft 10 is arranged in the discharge pipe 9, a second spiral blade 11 is arranged on the second rotating shaft 10 in a surrounding mode, the second spiral blade 11 extends into the mixing barrel 1, and the first rotating shaft 4 and the second rotating shaft 10 are connected through bevel gear transmission.
Through this setting, when first helical blade 6 dial up the material, second helical blade 11 dial up the material to the center of mixing drum 1, on the one hand can prevent the material from discharging, on the other hand can play the effect of stirring (in the bottom of mixing drum 1, the material is from center to moving all around, and second helical blade 11 also can reverse dial the material, can improve the mixing effect to a certain extent). When the material is required to be discharged, the first rotating shaft 4 can be reversely rotated, so that the second helical blade 11 can stir the material to the outer side of the discharging pipe 9, and the discharging is completed. In this way, on the one hand, no solenoid valve is required to control the discharge pipe 9 and no blockage occurs.
A discharge pipe 9 is arranged at a proper position on the lower side of the side wall of the mixing drum 1, and a second rotating shaft 10 is arranged in the discharge pipe 9 to ensure that the second rotating shaft 10 can freely rotate (for example, the second rotating shaft 10 can be connected to the bottom wall of the mixing drum 1 through a bearing seat). The second rotating shaft 10 is provided with a second helical blade 11 in a surrounding manner, so that the second helical blade 11 can cover a certain area in the discharge pipe 9. And a bevel gear is arranged, and the first rotating shaft 4 and the second rotating shaft 10 are connected through bevel gear transmission, so that smooth transmission is ensured. During normal mixing, the first rotating shaft 4 rotates positively to drive the second helical blade 11 to stir the material to the center of the mixing drum 1, and during discharging, the first rotating shaft 4 is controlled to rotate reversely, and the second helical blade 11 discharges the material.
Further, a notch is formed in the end portion of the connecting sheet, and the first spiral blade 6 is clamped in the notch.
The working principle of the invention is as follows:
the base material and the additive are mixed according to the weight ratio of 1:0.03-0.13, and all the components exert the advantages of themselves and cooperate with each other. The additive makes up the defects of the base material in certain properties, such as filling gaps, enhancing adsorption, improving stability and the like, and the base material provides an adhesion foundation for the additive, so that the material has excellent high temperature resistance, high-efficiency filtration performance, good chemical stability and mechanical performance under the combined action, and meets the requirements of the filter material under the complex high-temperature environment.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A high temperature resistant filter material prepared based on an inorganic material, comprising:
A base material woven by basalt fibers and glass fibers;
The additive comprises 8-12 parts of borate glass powder, 5-7 parts of hydroxyapatite nano particles, 3-5 parts of graphene nano sheets, 10-15 parts of polyether-ether-ketone micro powder 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.
2. A method for preparing a high temperature resistant filter material based on an inorganic material, which is characterized by comprising the following steps of:
Step S1, fiber pretreatment
And respectively carrying out surface treatment on the basalt fiber and the glass fiber. The basalt fiber is calcined at high temperature to remove surface impurities and enhance surface activity, and the glass fiber is treated by plasma to generate a tiny coarse structure on the surface of the glass fiber so as to improve the binding force with other components;
mixing the two treated fibers according to a proportion, and weaving into filter cloth with specific porosity and strength;
Step S2, preparing functional solution
Adding borate glass powder, hydroxyapatite nano particles, graphene nano sheets, polyether-ether-ketone micro powder and aqueous alumina sol into water according to a proportion, and uniformly stirring;
Step S3, dipping and curing
Completely immersing the woven filter cloth in the functional solution for 45-75 minutes to enable the solution to fully permeate into the fiber inside and gaps of the filter cloth;
After the impregnation is finished, the filter cloth is taken out, primary drying is carried out under a vacuum environment to remove most of water, then curing treatment is carried out under the condition of 150-180 ℃ for 1-2 hours, so that the functional solution forms a firm adhesion structure on the surface and the inside of the filter cloth, and the performance of the material is enhanced.
3. The method for preparing a high temperature resistant filter material based on an inorganic material according to claim 2, wherein the step of stirring uniformly comprises:
Fully mixing under high-speed stirring, controlling the stirring speed to be 800-1200 r/min and the stirring time to be 2-3 hours, so as to ensure that all the components are uniformly dispersed and form stable functional solution.
4. The method for preparing a high temperature resistant filter material based on an inorganic material according to claim 2, wherein the step of stirring uniformly comprises:
The high-temperature-resistant filter material preparation device with the mixing function and the inorganic material preparation method are used for mixing.
5. The preparation device of the high-temperature-resistant filter material based on the inorganic material preparation is characterized by comprising a mixing barrel (1), wherein a cover body (2) is fixedly connected to the mixing barrel (1), a driving piece (3) is fixedly connected to the cover body (2), a first rotating shaft (4) is fixedly connected to the output end of the driving piece (3), a connecting sheet (5) is fixedly connected to the first rotating shaft (4), a first helical blade (6) is fixedly connected to the connecting sheet (5), and the outer edge of the first helical blade (6) is attached to the inner surface of the side wall of the mixing barrel (1).
6. The apparatus for producing a high temperature resistant filter material based on an inorganic material according to claim 5, wherein:
The driving piece (3) comprises a motor (31) and a speed reducer (32);
An output shaft of the motor (31) is fixedly connected to an input shaft of the speed reducer (32);
the speed reducer (32) is fixedly connected to the middle part of the upper surface of the cover body (2), and an output shaft of the speed reducer (32) is connected with the first rotating shaft (4).
7. The apparatus for producing a high temperature resistant filter material based on an inorganic material as claimed in claim 5 or 6, wherein:
the utility model discloses a mixing drum, including first helical blade (6), fixed axle (7) are fixed on first helical blade (6), rotate on fixed axle (7) and be connected with roller (8) that rolls, roller (8) laminating is in mixing drum (1) lateral wall internal surface.
8. The apparatus for producing a high temperature resistant filter material based on an inorganic material according to claim 7, wherein:
Threads are arranged at the middle part and the lower part of the fixed shaft (7), the fixed shaft (7) is connected to the first helical blade (6) through the threads, a nut is further connected to the threads, and the nut is locked on the surface of the first helical blade (6);
The number of the rolling rollers (8) is two, the rolling rollers (8) on the upper side are rotatably connected with the fixed shaft (7) through bearings, and the rolling rollers (8) on the lower side are sleeved on the fixed shaft (7).
9. The apparatus for producing a high temperature resistant filter material based on an inorganic material according to claim 8, wherein:
A discharge pipe (9) is arranged at the lower side of the side wall of the mixing barrel (1), a second rotating shaft (10) is arranged in the discharge pipe (9), a second spiral blade (11) is arranged on the second rotating shaft (10) in a surrounding mode, 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 through bevel gears in a transmission mode.
10. The apparatus for producing a high temperature resistant filter material based on an inorganic material according to claim 5, wherein:
The end part of the connecting sheet is provided with a notch, and the first spiral blade (6) is clamped in the notch.
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| CN202510448772.XA CN120204814A (en) | 2025-04-10 | 2025-04-10 | High temperature resistant filter material prepared based on inorganic materials, preparation device and preparation method thereof |
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| CN202510448772.XA CN120204814A (en) | 2025-04-10 | 2025-04-10 | High temperature resistant filter material prepared based on inorganic materials, preparation device and preparation method thereof |
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