66 results about "Aluminium silicate" patented technology

The invention relates to the technical field of ceramic substrates, and provides a low-dielectric-constant multilayer ceramic substrate and a preparation method thereof. The low-dielectric-constant multilayer ceramic substrate comprises the following components in parts by weight: 100 parts of aluminum oxide, 4-8 parts of a sintering aid, 8-16 parts of silicate, 3-6 parts of copper oxide, 3-5 parts of a dispersing agent, 6-12 parts of a binder and 70 parts of a solvent, the silicate comprises magnesium aluminum silicate and zirconium silicate in a weight ratio of (1.5-9): 1. According to the technical scheme, the problem that the bending strength of the multi-layer ceramic substrate is poor in the prior art is solved.

According to the low-expansion ceramic fiber board and the preparation method thereof, high-purity aluminum silicate fibers and refined cordierite powder are compounded, and the nanoscale permeation effect of ammonia type silica sol is combined, so that the fibers and the powder form a three-dimensional network bonding structure, and the thermal expansion coefficient is reduced; the wettability of the combination of the fibers and the powder is remarkably improved by a pre-dispersion process of the cationic starch, and the block mass rate is reduced; the vacuum-assisted compression molding and the gradient calcining process are synergistic, so that the density uniformity of the product is improved, and high-temperature cracking is avoided.

The invention discloses a method and device for solving casting bleed-out of a nitrogen-containing cobalt-chromium-molybdenum mother alloy bar, and the method comprises the following steps: pressing operation: driving a lower pressing roller to perform fixed-axis rotation on the inner wall of a rectangular through groove through a motor, so that an upper pressing roller and a lower pressing roller synchronously roll an aluminum silicate felt, and the density of the aluminum silicate felt is increased; cutting operation: an eccentric block is eccentrically placed on a second belt pulley, so that a cutting blade can perform equidistant cutting on the rolled aluminum silicate felt on the surface of the workbench, the accuracy of the size of the mold is ensured, and fixed operation: during cutting, a sleeve rod drives a pressing plate to synchronously move downwards, so that the pressing plate can be stably pressed on the aluminum silicate felt; displacement or deformation of the aluminum silicate felt in the cutting process is avoided, and it is guaranteed that the surface of the cut aluminum silicate felt is smooth.

The invention aims to provide a method for preparing a polyaluminum ferric silicate-guar gum composite flocculant by using red mud as a raw material, and belongs to the technical field of flocculant preparation.The method comprises the steps that the red mud is used as the raw material and subjected to roasting activation, acid leaching, alkaline leaching and other reactions, a polyaluminum ferric silicate flocculant is obtained and reacts with guar gum, and the polyaluminum ferric silicate-guar gum composite flocculant is obtained. The polyaluminum ferric silicate-guar gum composite flocculant is obtained. Through the synergistic effect of an inorganic macromolecular chain (providing charge neutralization and a preliminary floc skeleton) of the polysilicate aluminum ferric and a natural polysaccharide chain (enhancing bridging adsorption and floc ductility) of the guar gum, the floc forming speed is increased, and the sedimentation efficiency is improved.

The utility model discloses a heat preservation layer assembly structure of a high-temperature heater. The heat preservation layer assembly structure comprises an inner-layer amorphous aluminum silicate needled carpet and an outer-layer amorphous aluminum silicate needled carpet. According to the utility model, the periphery of each heating wire unit is coated with a plurality of layers of complete aluminum silicate needled blankets, the inner-layer amorphous aluminum silicate needled blankets and the outer-layer amorphous aluminum silicate needled blankets are respectively arranged from inside to outside, meanwhile, the annular abutted seam A and the annular abutted seam B between two adjacent layers are in a staggered position state, and the annular abutted seams are few; the structural integrity of an aluminum silicate needled carpet air hole bin and ceramic fibers is reserved, so that it is guaranteed that the heat preservation and heat insulation performance of the aluminum silicate needled carpet is fully exerted, the heaters are spliced through the flexible aluminum silicate needled carpet step concave-convex structures, heat convection dissipation of the heaters is reduced, and heating electric energy is saved.

The utility model discloses equipment for continuously heating and evaporating silicon slurry. The equipment comprises a shell, a cone, an end socket and a slurry stirrer, the whole material is Q345 and Q235; the shell is fixedly connected with the cone, the coil is wound on the outer sides of the shell and the cone, current passing through the coil is adjusted through the control cabinet, electric energy is converted into heat energy according to the electromagnetic induction principle, and materials in the equipment are evenly heated. A heat preservation layer is arranged on the outer side of the coil and is made of aluminum silicate, aerogel, ceramic fibers and the like. The equipment system is high in heating efficiency, traditional heat conduction oil jackets or half-pipe heating is replaced by electromagnetic heating, and the heating speed and the energy utilization rate are increased.

The present invention provides a multi-solid waste-based artificial stone and a preparation method thereof, comprising the following steps: Step 1 is to uniformly mix iron tailings powder, fly ash, steel slag powder, and water, and then crush and roll to obtain spherical particles; Step 2 is to uniformly mix the spherical particles, steel slag powder, fly ash, cement, an activator, and a reinforcing agent with water to obtain a wet material; Step 3 is to press and shape the wet material, and cure it to obtain the multi-solid waste-based artificial stone. The multi-solid waste-based artificial stone of the present invention utilizes iron tailings, steel slag, and fly ash to prepare the artificial stone, which not only consumes a large amount of various solid wastes, reduces the amount of natural sand mined, reduces the amount of pollutant gas emissions generated by the sintering of cementitious materials, and improves the ecological environment; at the same time, after the action of the activator and reinforcing agent, the artificial stone can quickly undergo a hydration reaction in a short period of time to generate gel products such as silicic acid and aluminic acid, reduce the internal pore structure, and improve the density.

The invention discloses a self-reinforcing and self-repairing silicate ablation-resistant heat-insulating coating and a preparation method thereof. The coating is prepared from the following raw materials: aluminum silicate powder, montmorillonite powder, aluminum silicate fibers, aluminum oxide powder, graphene, silicon oxide, an aluminum silicate solution and a diluent. The high-performance inorganic heat-insulating material is prepared by improving the ceramization reaction level of the silicate coating at high temperature, and compared with a traditional rubber-based heat-insulating material, the high-performance inorganic heat-insulating material is easy to form and lower in cost, and compared with a traditional silicate coating, the high-performance inorganic heat-insulating material is better in ablation resistance and heat-insulating performance.

The utility model provides a corrosion-resistant and high-temperature-resistant hazardous article cabinet, and relates to the technical field of hazardous chemical substance storage devices. Comprising a cabinet body, an inner container used for containing dangerous goods is detachably arranged in the cabinet body, an exhaust channel is formed in the lower side of the bottom of the inner container, and the exhaust channel is connected with a filtering assembly so as to filter volatile gas exhausted out of the inner container; an aluminum silicate ceramic fiber cotton layer is arranged on the inner wall of the inner container, and a vinyl resin layer is formed on the outer side of the aluminum silicate ceramic fiber cotton layer, so that the inner container has corrosion resistance. According to the scheme, the corrosion resistance and the high-temperature resistance of the dangerous goods cabinet can be effectively improved.

The utility model discloses a steam trap heat preservation device, including connecting block, the connecting block inside rotation is connected with the pivot, the pivot end fixed mounting has the side plate, and set up the processing subassembly at the connecting block outside, the processing subassembly includes setting up the clamping component at the connecting block outside, when to steam trap heat preservation processing, will the outer shell cover set in its outer wall, because the high temperature resistance polyurethane foam caulk agent has certain viscosity, can make the outer shell and aluminium silicate needle -punched blanket firmly stick together, under the cooperation of outer shell, high temperature resistance polyurethane and aluminium silicate needle -punched blanket, steam trap cover heat preservation, through the outer shell steam trap heat preservation, and it will two outer shell connection, makes two clamping plate end inclined plane contact extrusion, and clamping plate takes with the support rod rotation connection place as the rotation center rotation, when two clamping plate mutual clamping, at this moment, under the repulsion of second magnetic sheet and first magnetic sheet magnetism, push clamping plate, make two clamping plate firm clamping.

The invention discloses a method for repairing a leakage point pipeline of a positive-pressure concentrated-phase conveying system, and relates to the technical field of pipeline repairing, and the method comprises the following steps: step 1, providing aluminum silicate thermal insulation cotton and sodium silicate water glass for later use; 2, according to the size of a leakage point of the pipeline and the diameter of the pipeline, tearing the aluminum silicate heat preservation cotton into a plurality of parts, and soaking the parts in sodium silicate water glass; 3, the soaked aluminum silicate heat preservation cotton is pasted to the leakage point of the outer wall of the pipeline and the periphery of the leakage point, and plugging of the leakage point is formed; the leakage point pipeline can be rapidly repaired, and meanwhile the copper concentrate ignition can be avoided.

The invention provides a multi-solid-waste-based artificial stone and a preparation method thereof.The preparation method comprises the following steps that 1, iron tailing powder, fly ash, steel slag powder and water are mixed to be uniform and then rolled, and spherical particles are obtained after rolling; 2, uniformly stirring the spherical particles, steel slag powder, fly ash, cement, an exciting agent, a reinforcing agent and water to obtain a wet material; and step 3, carrying out compression molding on the wet material, and curing to obtain the multi-solid-waste-based artificial stone. The multi-solid-waste-based artificial stone disclosed by the invention is prepared from the iron tailings, the steel slag and the fly ash, so that a large amount of various solid wastes are consumed, the mining quantity of natural sand is reduced, the emission of pollution gas generated by sintering a cementing material is reduced, and the ecological environment is improved; meanwhile, after the artificial stone is subjected to the action of the exciting agent and the reinforcing agent, the artificial stone can be rapidly subjected to hydration reaction in a short time to generate gel products such as silicic acid and aluminic acid, the internal pore structure is reduced, and the compactness is improved.

The invention relates to a novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick which is of a working layer and heat-insulation layer composite structure, and the working layer and the heat-insulation layer are connected through high-temperature cement gum. The working layer is prepared from the following components: 15 to 25 weight percent of bauxite, 25 to 40 weight percent of silicon carbide, 10 to 15 weight percent of mullite, 15 to 20 weight percent of andalusite, 15 to 20 weight percent of antioxidant and 5 to 10 weight percent of corundum; the heat insulation layer comprises the following components: 90 to 95 weight percent of aluminum silicate and 5 to 10 weight percent of corundum. The novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick has the advantages of high use temperature, high wear resistance, high erosion resistance, high stripping resistance, good thermal shock stability, low heat conductivity coefficient and good heat insulation effect, the bonding surface of the working layer and the heat insulation layer is firm and crack-free, the temperature of the outer wall of a cylinder can be reduced, and the service life of the cylinder is prolonged. Meanwhile, energy is saved, consumption is reduced, and the service life of the rotary kiln can be greatly prolonged; the material is an ideal material for the rear section of a combustion zone, a cooling zone and other parts of a novel dry-process cement kiln.

The invention discloses a high-performance sealant and a preparation method thereof. The sealant comprises the following components in parts by weight: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 10-25 parts of vinyl silicone oil, 5-10 parts of hydrogen-containing silicone oil, 10-40 parts of a flame retardant, 5-10 parts of fumed silica, 3-8 parts of silicon nitride, 10-15 parts of a coupling agent, 10-20 parts of a cross-linking agent and 0.1-1 parts of a catalyst; the flame retardant is prepared by reacting zirconium silicate microbeads, nano-aluminum silicate, nano-silicon dioxide, sodium carboxymethyl cellulose and pentaerythritol dimethacrylate; the sealant obtained by the preparation method of the invention has excellent flame retardant performance, mechanical performance, heat aging resistance and light aging resistance, and has good application prospects.

The present invention provides a dehumidifying and condensation prevention material that uses aluminum silicate as the main component and is capable of absorbing and releasing moisture over a wide range of humidity, and has particularly high-performance adsorption performance in the medium to high humidity range. [Solution] By impregnating an absorbent sponge with an aqueous slurry containing a mixture of aluminum silicate powder, a water-soluble binder, and water, or further containing hyaluronic acid and / or a hyaluronic acid derivative, a dehumidifying and condensation prevention member is produced in which a water vapor adsorbent whose main component is aluminum silicate is supported within the pores of the sponge.

The chimney with the high-temperature-resistant and corrosion-resistant functions comprises a first barrel body, a second barrel body, a third barrel body and a chimney base, the third barrel body is fixedly connected with the chimney base through a flange structure, the lower end of the second barrel body is fixedly connected with the third barrel body, and the lower end of the second barrel body is fixedly connected with the chimney base. The upper end of the second barrel body is fixedly connected with the first barrel body, a flue is arranged on the side face, close to the chimney base, of the third barrel body, and an ash removal opening is formed in the position, opposite to the flue, of the third barrel body. Aluminum silicate refractory fiber blankets are arranged at the joint of the first barrel body and the second barrel body as well as the joint of the second barrel body and the third barrel body, and linings are arranged on the inner walls of the first barrel body, the second barrel body and the third barrel body; the manufacturing cost is low; the processing difficulty is low; the service life is long, and the like.

The present application relates to the field of environmental management technology, and more particularly to a composite coagulant for landfill leachate treatment and a preparation method thereof.The composite coagulant comprises inorganic coagulant, organic flocculant and nano coagulant aid; the inorganic coagulant is a mixture of polymeric aluminum ferric silicate and basic aluminum chloride; the organic flocculant is polydimethyl diallyl ammonium chloride; and the nano coagulant aid is a mixture of nano calcium oxide, nano ferric oxide and activated carbon.The composite coagulant has the characteristics of high efficiency in removing solid suspended matter and soluble organic matter in water, fast precipitation speed, one-step flocculation and sedimentation, formation of stable flocculation large particles in sewage, and effective reduction of the load of subsequent leachate treatment equipment.

The application relates to the technical field of papermaking, and particularly provides high-pressure-resistance low-explosion-rate electrolytic capacitor paper and a production process thereof; the electrolytic capacitor paper comprises the following components: polyethylene terephthalate microfiber 30-50%, modified cellulose short fiber 20-40%, aluminum silicate nanoparticles 5-15%, silane coupling agent 0.5-1.5%, and wet-strength resin 10-25%. The polyethylene terephthalate microfiber is used to construct a high-strength skeleton, the modified cellulose short fiber is used to strengthen the fiber-inorganic interface, the aluminum silicate nanoparticles are used to precisely fill pores, the silane coupling agent is used to enhance the multiphase combination, the wet-strength resin is used to maintain fiber adhesion in a wet state, and the layered gradient pore design is used, so that excellent compression strength and uniform electrolyte immersion are realized, local over-immersion and bubble aggregation are effectively inhibited, the risk of breakdown and explosion is significantly reduced, and the safety and reliability of the capacitor paper under high-pressure long-life working conditions are improved.

The autoclave comprises a cylinder, one end of the cylinder is sealed, the other end of the cylinder is provided with a tank cover device allowing materials to enter and exit, the tank cover device is opened through a door opening device, the cylinder is provided with a heating device, and the cylinder is supported through a saddle type support; an inner heat preservation device is arranged on the inner wall of the cylinder body, an outer heat preservation device is arranged on the outer wall of the cylinder body, the inner heat preservation device is glass rock or aluminum silicate fiber felt, the outer heat preservation device is heat preservation mortar, and the thickness of the heat preservation mortar is 90-100 mm.

The utility model relates to the technical field of SCR catalyst production equipment discloses a net belt kiln cooling structure for SCR catalyst, including the conveyer belt, the conveyer belt side fixedly connected with the net belt kiln, the inner wall of net belt kiln is provided with cooling assembly, the cooling assembly includes a plurality of cooling pipes, a plurality of cooling pipes are located in the inner wall of net belt kiln, the inner wall top of net belt kiln is provided with hard aluminium silicate fibre board, a plurality of cooling pipes both ends are through hard aluminium silicate fibre board and extend to the top of net belt kiln, the top of net belt kiln is provided with connecting pipe no. One, air inlet pipe and air outlet pipe, the both sides of connecting pipe no. One top are fixedly connected with the communication piece no. One and the communication piece no. Two respectively. In the utility model, through setting cooling assembly in the top of net belt kiln, and installing hard aluminium silicate fibre board in the top of kiln inner wall, the effect that the catalyst is indirectly cooled steadily and uniformly is reached, and the reliability and stability of kiln cooling process are enhanced.

This invention discloses a biomass nanocomposite for relieving rhinitis and its preparation method, belonging to the field of new materials. It includes a dressing containing a biomass nanomedicine layer. The dressing comprises a fixed adhesive layer and a movable adhesive layer bonded together, with the biomass nanomedicine layer adsorbed on the movable adhesive layer. The fixed adhesive layer includes a flexible substrate, with a base adhesive layer bonded to one side and a top adhesive layer bonded to the other side. The base adhesive layer comprises methyl methacrylate-grafted modified SIS hot-melt pressure-sensitive adhesive, hyaluronic acid silicone gel, and nano-aluminum magnesium silicate. The top adhesive layer comprises benzophenone photoinitiator, acrylic acid-grafted modified SIS hot-melt pressure-sensitive adhesive, nano-titanium dioxide, quaternary ammonium salt-modified chitosan, and N,N'-methylenebisacrylamide. The movable adhesive layer comprises a hydrogel drug carrier, with the biomass nanomedicine layer adsorbed on the hydrogel drug carrier. This invention effectively avoids skin damage caused by repeated pulling of the adhesive layer.

The present invention belongs to the field of lactide catalysts and relates to a one-step lactide-to-lactic acid catalyst, its preparation method, and its application. The preparation method comprises: placing a hydrogen-type molecular sieve in a lactic acid solution and heating it to dealuminate, thereby obtaining an internally dealuminated hydrogen-type molecular sieve; mixing the internally dealuminated hydrogen-type molecular sieve with a metal salt solution for reaction, and calcining it to obtain a lactide catalyst. The present invention effectively addresses the problem of reduced catalyst acidity due to dealumination by introducing a transition metal into a nanoporous aluminum silicate solid acid catalyst to replenish aluminum vacancies and restore the catalyst's acid content.

This invention belongs to the field of ceramic refractory materials technology, specifically relating to a method for preparing an aluminosilicate fiber crucible with an anti-erosion coating, the crucible itself, and its applications. The method involves using aluminosilicate ceramic fibers, a solvent, organic monomers, and a crosslinking agent, followed by gel casting in a mold to form a three-dimensional skeleton structure of the aluminosilicate ceramic fibers. After drying and sintering, an aluminosilicate ceramic fiber crucible matrix is ​​obtained. A coating slurry is prepared using multi-stage Y₂O₃ powder and two grinding balls of different diameters. This slurry is then coated onto the inside of the aluminosilicate ceramic fiber crucible matrix. Finally, a multi-stage heating process is used for sintering to obtain an aluminosilicate fiber crucible with an anti-erosion coating. This invention improves the crucible's strength through gel casting and enhances its resistance to melt erosion by coating the inner wall of the crucible with a yttrium oxide coating, thus preventing interfacial reactions between the crucible and the melt.

The invention discloses a Si / SiOx / C composite material and a preparation method and application thereof, and relates to the technical field of battery materials. The Si / SiOx / C composite material comprises an inner core and a coating layer located on at least part of the surface of the inner core, the inner core comprises a carbon matrix and silicon particles, SiOx and metal silicate loaded in the carbon matrix, and the coating layer comprises a carbon material; the metal silicate comprises at least one of alkali metal silicate, alkaline earth metal silicate, aluminum silicate, titanium silicate and zinc silicate. When the Si / SiOx / C composite material is applied to a negative electrode material, a secondary battery prepared from the negative electrode material has good cycling stability and first coulombic efficiency.

The utility model discloses a launder system for molten aluminum conveying, and relates to the technical field of molten aluminum conveying, a plurality of launder prefabricated parts are installed along the conveying direction, and each launder prefabricated part is provided with a boss and a groove, so that the launder prefabricated parts can be quickly installed and positioned in sections, when a single section is damaged, a concave-convex structure is conveniently and quickly replaced, and the working efficiency is improved. Meanwhile, the splicing seam can be pressed through the self weight, the problem that molten aluminum is prone to permeating when flowing through the splicing seam is solved, and therefore a complete conveying line is formed, and the situation that the launder prefabricated part shifts due to the acting force of molten aluminum flowing in the running process is prevented through impermeable layers installed on the two sides of the launder prefabricated part; heat loss of molten aluminum in the long-distance conveying process is reduced, meanwhile, thermal deformation of a shell of a steel structure is avoided, impurities in the molten aluminum are filtered through the installed filter plate, the inner wall of a flowing groove of the flowing groove prefabricated part is automatically cleaned through the cleaning mechanism, and therefore the quality of the subsequently conveyed molten aluminum is guaranteed.

The utility model discloses a double-faced oval steel fire-resistant air pipe with aluminum silicate clamped in the middle. The double-faced oval steel fire-resistant air pipe comprises a main body, a plurality of screw holes are formed in the main body, a groove is connected to the inner side of the main body, a steel shell is connected to the left side of the main body, a U-shaped pipe body bracket is installed below the steel shell, and a fixing plate is connected to the upper side of the U-shaped pipe body bracket. Fixing screw holes are formed in the fixing plates, aluminum silicate is clamped on the inner side of the steel outer shell, a steel inner shell is clamped on the inner side of the aluminum silicate, and a connecting flange is installed on the left side of the steel inner shell. According to the double-faced oval steel fire-resistant air pipe, high-quality steel is used as a main body structure, and the innovative design of the double-faced oval steel fire-resistant air pipe is that a high-performance aluminum silicate heat insulation material is embedded between the inner shell and the outer shell, so that the fire-resistant characteristic of the air pipe is remarkably enhanced through the optimization. The non-traditional oval section design is adopted, the adaptability and flexibility of the structure are improved, efficient space utilization can be better achieved in diversified application scenes, and the advantages are particularly remarkable in the space-limited environment.

The utility model relates to the technical field of aluminum silicate shells, in particular to an aluminum silicate fireproof package easy to install. Comprising an adjusting device, the adjusting device comprises a fixing plate, the fixing plate is fixedly connected with a second aluminum silicate shell, connecting plates are fixedly connected to the two sides of the fixing plate, supporting plates are fixedly connected to the two ends of the fixing plate, and sliding grooves are formed in the side faces of the supporting plates; a containing groove is formed in the side, close to the second aluminum silicate shell, of the supporting plate, a screw rod movably penetrates through the inner wall of the sliding groove, and the arc surface of the screw rod is in threaded connection with a sliding frame. According to the aluminum silicate fireproof package easy to install provided by the utility model, when the circuit board needs to be protected through the aluminum silicate shells, the two aluminum silicate shells and the circuit board can be fixed through the adjusting device, so that the efficiency of protecting the circuit board can be improved through the adjusting device; and meanwhile, the surface of the circuit board can be prevented from being damaged.

The utility model provides a kind of support device for cooling gate, including chassis, flexible connecting piece, two first ends are connected by the flexible connecting piece and second end can mutually converge heat preservation swing arm, first telescopic component for pulling one heat preservation swing arm is rotatably installed on the chassis, second telescopic component for pulling another heat preservation swing arm is rotatably installed on the chassis, with the support seat of the limiting card slot for accommodating the flexible connecting piece and part heat preservation swing arm with opening upwards, wherein the heat preservation swing arm, the first telescopic component and the second telescopic component are located above the limiting seat, and the flexible connecting piece is located directly above the limiting card slot. The utility model can improve the efficiency of covering aluminium silicate fiber blanket.

This invention belongs to the field of wall material technology, specifically, it relates to a high-strength flame-retardant wall material and its preparation process. The raw materials of the high-strength flame-retardant wall material, by weight, include the following components: 60-70 parts fly ash, 16-20 parts cement, 20-25 parts carbide slag, 9-12 parts modified bentonite, 5-7 parts lime, 4-6 parts calcium phosphate, 4-6 parts aluminum silicate, 2-3 parts aluminum sulfate, and 35-40 parts water. This invention modifies bentonite to form an N-vinylpyrrolidone / vinyl acetate crosslinked copolymer with a network structure on the surface of the bentonite. This not only improves the dispersibility of the bentonite, but the network structure also effectively inhibits the volume expansion of the bentonite after water absorption, reducing the risk of cracking caused by stress concentration. Subsequently, the pyrrolidone structure on the surface of the modified bentonite complexes with aluminum ions, making the internal structure of the resulting wall material more stable and further improving its compressive strength.

The present invention relates to the field of catalyst technology, and proposes a desulfurization synergist and its preparation method and application. The desulfurization synergist includes a carrier and an active component; the carrier is hydrated aluminum silicate nanofiber; the active component includes cobalt titanate; the preparation method of the desulfurization synergist comprises the following steps: S1, mixing a precursor of cobalt titanate and hydrated aluminum silicate nanofiber, filtering, taking a precipitate, and obtaining a mixture; calcining the mixture to obtain cobalt titanate / hydrated aluminum silicate nanofiber; S2, mixing the cobalt titanate / hydrated aluminum silicate nanofiber with a precursor of cobalt trioxide, and calcining under a hydrogen atmosphere to obtain a desulfurization synergist. Through the above technical solution, the problem of low desulfurization efficiency during limestone-gypsum wet desulfurization in the prior art is solved.