42results about How to "Excellent water vapor resistance" patented technology

Provided is a photosensitive composition for volume hologram recording capable of forming a volume hologram recording medium that less shrinks upon curing in hologram recording (in hologram formation) and resists cracking. The photosensitive composition for volume hologram recording contains an alicyclic epoxy compound (A) represented by Formula (I); a thermal acid generator (B); a radically polymerizable compound (C); a radical polymerization initiator (D); and at least one epoxy compound (E) selected from the group consisting of compounds represented by Formula (1), epoxidized fatty acid esters, and epoxidized conjugated diene polymers.

The invention provides a formula and a production process of a dual-layer thermal shrinkage-chilling shrinkage composite sleeve which comprises an inner sleeve and an outer sleeve, wherein the inner sleeve comprises an ethylene vinyl acetate copolymer, low-density polyethylene, a maleic anhydride grafted polymer, a surface treatment ultrathin active magnesium hydroxide, surface treatment ultrathin active aluminium hydroxide, a lubricating agent, an antioxygen, a light stabilizer and a sensitive cross-linking agent; and the outer sleeve comprises ethylene propylene diene monomer, ultrathin surface treatment active kaoline, ultrathin surface treatment active talcum powder, a lubricating agent and colorant. The dual-layer thermal shrinkage-chilling shrinkage composite sleeve obtained by the production process has no gap between the inner sleeve and the outer sleeve and high connection reliability; and the inner sleeve has good elasticity, weather resistance, ozone resistance, heat resistance, acid and alkaline resistance, water vapor resistance, corona resistance and high electric insulation property.

The invention relates to a cosmetic composition, and especially relates to a hair fixing composition, its application in hair fixing, and its use method. The composition includes special polyurethane and an amphoteric copolymer. Compared with cosmetic compositions in the prior art, the cosmetic composition provided by the invention has the advantages of curling maintenance under high humidity, high elasticity, easy washing and comfortable hair feeling.

A rear earth lutetium silicate composite environmental barrier coating and a preparing method thereof are disclosed. The composite environmental barrier coating includes a SiC / SiC matrix, a mullite layer and a composite surface layer consisting of Lu2Si2O7 and Lu2SiO5 in a mass ratio of 6:4. The preparing method combining plasma spraying and physical vapor deposition is adopted, and mullite powderhaving a particle size of 18-58 [mu]m and Lu2Si2O7-Lu2SiO5 composite powder having a particle size of 62-105 [mu]m are adopted as raw materials to prepare the mullite layer on the SiC / SiC matrix andthe composite surface layer on the mullite layer in order. The coating prepared by the method has good resistance to water oxygen corrosion at 1723 K, effectively retards generation of cracks and effectively avoids oxidation and performance degradation of the SiC / SiC matrix at high temperatures.

The invention discloses a corrosion-resistant cable material and a preparation method thereof. The corrosion-resistant cable material is prepared from the following raw materials in parts by weight: 30-45 parts of fluorinated silicone rubber, 15-25 parts of ethylene propylene diene monomer rubber, 18-30 parts of an ethylene-vinyl acetate copolymer, 6-12 parts of glass fiber, 10-20 parts of flame retardant, 4-10 parts of an anti-aging agent, 12-25 parts of a softening agent, 1-3 parts of an antioxidant, 3-8 parts of a plasticizer and 2-6 parts of a cross-linking agent. The corrosion-resistant cable material is high in toughness and high in corrosion resistance.

The invention relates to a multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating which is composed of a polyether-ether-ketone modified acrylic water-based resin, an expansion catalyst, a foaming agent, a char forming agent, titanium dioxide, anti-rust pigments, pigments and fillers, additives and water, wherein the mass ratio of the expansion catalyst to the foaming agent to the char forming agent is 3:(1-1.2):(0.9-1); the polyether-ether-ketone modified acrylic water-based resin is synthesized by carrying out an ATRP (Atom Transfer Radical Polymerization) reaction on reactive acrylic modified polyether-ether-ketone. The multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating prepared by the invention has excellent bonding strength, corrosion resistance, wear resistance, water vapor resistance, salt fog resistance, ageing resistance, fireproof flame retardant property and mechanical property, and exceeds technical requirements specified in national standard GB14907-2002 Fire-resistant Coating for Steel Structure; and the coating disclosed by the invention is widely applied to fire and corrosion resistance of steel structures in buildings, chemical industry, petroleum, power, metallurgy, ships, traffic, spaceflight and the like.

The invention discloses a high-speed rail rubber microporous cushion and a manufacturing method thereof. The high-speed rail rubber microporous cushion which is composed of the following components in percentage by mass: 25-50% of synthetic rubber, 16-26% of reinforcing agent, 19-27% of filler, 1.2-2.4% of activator, 10-12% of plasticizer, 2.5-3.5% of foaming agent and 1.0-1.5% of crosslinking agent. The manufacturing method comprises the following steps: (1) compounding; (2) discharging; and (3) vulcanizing. The manufacturing method is simple. The prepared high-speed rail rubber microporous cushion has the advantages of favorable mechanical properties, excellent heat resistance, excellent aging resistance and excellent water resistance, and is suitable to be used under different climatic conditions in different areas.

The invention relates to a denitration treatment method of flue gas discharged by an ethylene cracking furnace. The flue gas sequentially flows a radiation section, a convection heat exchange sectionA, an ammonia injection grid, a convection heat exchange section B, an SCR denitration reaction section and a convection heat exchange section C, and the SCR denitration reaction section is filled with a catalyst. A preparation method of the catalyst includes the steps: (1) adding carbon black powder and cerium nitrate into silicon-containing ethanol solution, uniformly mixing materials under thecondition of ultrasonic dispersion, separating solid and liquid, and drying a solid phase to obtain silicon and cerium modified carbon black powder; (2) adding the modified carbon black powder in titanium-containing ethanol solution, adding dilute nitric acid solution to form sol-gel, treating the sol-gel at high temperature in anaerobic atmosphere, and calcining the treated sol-gel in oxygen containing atmosphere to obtain a silicon-cerium-containing macro-porous titanium dioxide carrier; (3) mixing the titanium dioxide carrier, a molecular sieve and an active component precursor to form a honeycomb denitration catalyst. The method is good in denitration activity and high in water-vapor-resistant capability, and the catalyst cannot be easily cracked and long in service life.

The invention relates to a navigation device in an orthopedics department and a preparation method of the navigation device. A first movable arm and a second movable arm of the navigation device in the orthopedics department are made of modified polyphenylene oxide plastic which comprises polyphenyl ether, polybutylene, HIPS, LDPE, titanium dioxide, an interfacial modifying agent, a toughening modifying agent, glass fiber, antioxygen and a toner. The preparation method comprises the steps of firstly, conducting forced air drying on polyphenyl ether, polybutylene and HIPS, adding raw materials into a charging barrel after the charging barrel in a high-speed injection molding machine is heated, heating the raw materials into the molten state, then injecting the raw materials to a preheated first movable arm mold and a preheated second movable arm mold in twice through nozzles of a hot flow pass, obtaining the first movable arm and the second movable arm through pressure maintaining, cooling forming and mold opening, and assembling the first movable arm and the second movable arm with other components to form the navigation device in the orthopedics department. The obtained navigation device in the orthopedics department is compact and perfect in whole structure, good in toughness and light in total mass, and the strength of the movable arms is high.

The invention discloses a fabrication method of a low-PIM and high-performance microwave high-frequency composite ceramic substrate. The fabrication method comprises the following steps of fabricating a microwave high-frequency ceramic insulation dielectric material layer; fabricating a low-PIM ceramic bonding sheet; and selecting a matte copper foil layer, the insulation dielectric material layer and the low-PIM ceramic bonding sheet, respectively arranging matte copper foils on and under the insulation dielectric material layer, spacing and pasting the low-PIM ceramic bonding sheet at a middle part, and finally performing processing and formation in a high-temperature environment and under pressure. The ceramic substrate obtained by the method has the characteristics of low PIM value, small intermodulation interference, excellent signal simulation, excellent mechanical strength, stress relaxation resistance, creep resistance, thermal resistance, water prevention, steam resistance and size stability.

The invention relates to the field of cables, and particularly relates to a flame-retardant polyvinyl chloride insulation shielding control cable material which is prepared from the following components in parts by weight: 55 to 80 parts of modified polyvinyl chloride, 25 to 50 parts of chlorinated polyvinyl chloride, 10 to 20 parts of a flame retardant, 15 to 30 parts of an electromagnetic shielding material, 1 to 6 parts of a lubricating agent and 0.05 to 0.5 part of an antioxidant. The material solves the problem that the traditional insulating cable material or shielding cable material haslower flame retardancy, is easy to ignite in case of fire and is very unsafe and then a cable material with insulating and shielding functions and better flame retardancy is urgently needed. The flame-retardant polyvinyl chloride insulation shielding control cable material comprises modified polyvinyl chloride, chlorinated polyvinyl chloride, a flame retardant, an electromagnetic shielding material, a lubricant and an antioxidant, and through the cooperative use of the components, the finally obtained cable material has excellent insulation, shielding resistance and flame retardancy.

The invention discloses an environment-friendly, high-temperature-resistant and anti-shielding industrial control cable, comprising a cable body that includes conductors, an insulating layer, a shielding layer, an inner sheath and an outer sheath. The conductor is arranged inside the cable body; the section of the conductor is circular in shape; a copper foil layer is extruded outside the conductor; the insulating layer is tightly extruded outside the copper foil layers; the gap part between the insulating layer and the copper foil layers is filled with fillers; the shielding layer is tightly extruded outside the insulating layer; a plurality of uniformly arranged drainage cores are arranged inside the shielding layer; a resin bonding layer is arranged between the shielding layer and the insulating layer; a metal coating is arranged on the outer surface of the shielding layer; a reinforcing layer and a refractory layer are arranged outside the metal coating from inside to outside; the inner sheath is arranged on the outer surface of the refractory layer; the outer sheath is tightly extruded on the surface of the inner sheath. The environment-friendly, high-temperature-resistant and anti-shielding industrial control cable has the advantages of reasonable structural design, long service life and good shielding resistance.

The invention relates to the technical field of new energy sources, in particular to a high-density film for a solar battery back sheet. The high-density film for a solar battery back sheet comprisesthe components as follows: 5-10 parts of butyl rubber, 20-32 parts of polyvinylidene fluoride PVDF, 10-15 parts of methacrylate-butyl methacrylate copolymer, 4-10 parts of dipropylene glycol, 1-10 parts of methyl isobutyl ketone, 5-10 parts of silver paste, 5-15 parts of silica, 5-8 parts of polyetherimide, 1-9 parts of dimethylamino methylphenol, 5-10 parts of carboxymethylcellulose, 2-5 parts ofpolytrimethyldihydroquinoline, 0.2-1.0 parts of antioxidant DLTP, 2-8 parts of hindered amine light stabilizer and 0.5-1.5 parts of dioctyl ester. The silver paste includes terpineol, butyl diglycolacetate and tributyl citrate in a ratio of 2:2:3. The high-density film for a solar battery back sheet is resistant to heat, resistant to aging, good in water vapor resistance effect, high in weldingtension and good in photoelectric performance.

The invention relates to a preparation method for a low thermal expansion coefficient and low moisture-penetrability UV-thermal dual curing adhesive. The adhesive is prepared from the following raw materials in parts by weight: 10-20 parts of epoxy resin, 65-80 parts of a filler composition, 5-10 parts of a reactive diluent, 1-3 parts of a cationic photoinitiator, 0.5-2 parts of a cationic thermalinitiator, 0.05-0.5 part of a photosensitizer, 0.5-2 parts of a thixotropic agent and 1-3 parts of an additive. The filler composition contains spherical particles with a negative expansion coefficient. In the preparation method, by adding the spherical particles with the negative expansion coefficient in colloid, a cured material based on the adhesive of the invention has the thermal expansion coefficient of less than 18 ppm / K, high glass transition temperature, low moisture penetrability, excellent adhesion force and high peel strength, can be widely applied to adhesion and sealing of optical devices, optical elements and microelectronic devices in the optical communication industry and has a promising application prospect.

The invention relates to a polyether-ether-ketone modified waterborne alkyd rust-resistant coating composed of polyether-ether-ketone modified waterborne alkyd resin, a cosolvent, rust-resistant composite pigment, pigment and filler, auxiliaries and water; the polyether-ether-ketone modified waterborne alkyd resin is prepared by carrying out polymerization, neutralization and water emulsificationon polyol-modified polyether-ether-ketone, unsaturated vegetable oil, polyol and organic acid anhydride under the action of a catalyst. The polyether-ether-ketone modified waterborne alkyd rust-resistant coating provided by the invention has good adhesive force, wear resistance, vapor resistance, salt fog resistance, ageing resistance, flexibility, corrosion resistance and mechanical properties and is widely applied to rust-resistant and corrosion resistance of surfaces of steel structures and concrete such as buildings, chemical industry, petroleum, electricity, metallurgy, ships, traffics and spaceflights.

The invention discloses a room-temperature efficient ozone decomposition catalyst and a preparation method thereof. The catalyst is prepared by the following steps of: preparing manganese nitrate, cerous nitrate and silver nitrate into a solution according to a mol ratio of 1: (0.3-0.5): (0.01-0.1); taking potassium carbonate and / or potassium bicarbonate as a precipitant, taking potassium chlorate as an oxidant, and precipitating to prepare active components; and then, adding N,N-diethyl ethylamine and crystallizing in a reaction kettle at a temperature in a range of 180-220 DEG C; after the crystallization, carrying out filter pressing to obtain sediments with the water content of 70-80 wt%; and then, adding a binding agent and a pore-forming agent and uniformly agitating; conveying the mixture into a banded extruder to be extruded and molded into cylindrical grains; drying the cylindrical grains at a temperature in a range of 80-100 DEG C and adding the dried cylindrical grains intoa muffle furnace to be roasted at a temperature in a range of 450-550 DEG C. The ozone decomposition catalyst provided by the invention has the advantages of capabilities of completely purifying thousands of ppm of ozone at the room temperature and resisting the violent fluctuation of the ozone concentration, good water vapor resistance and long service life.

The invention discloses a mobile phone plastic-part material with a good heat-dissipation effect, and belongs to the technical field of mobile phone parts. The mobile phone plastic-part material is prepared from the following components in parts by weight: 10-25 parts of polyformaldehyde plastic, 20-40 parts of ethylene propylene diene monomer rubber, 10-15 parts of white carbon black, 5-15 partsof glycerol monostearate, 1-5 parts of an antibacterial agent, 5-8 parts of glass fibers, 15-30 parts of PVC plastic, , 1-8 parts of zinc stearate, 2-8 parts of polycarbonate, 1-6 parts of paraffin, 5-10 parts of a polyethylene octylene elastomer, 1-4 parts of polyolefin and 1-3 parts of an antioxidant. The mobile phone plastic-part material provided by the invention is high in strength, is not easily cracked, and has good radiation resistance, good waterproof effect, good antibacterial and anti-mildew performance, high aging resistance and excellent flame retardance of products. The productshave high-temperature resistance, good strength and impact strength, low cost, simple operation, and corrosion resistance.

The invention discloses a three-cylinder direct-current miniature pump which is characterized by comprising a silencing cover (1), an upper cover (2), umbrella heads (3), cylinders (4), a middle cover (5), an eccentric frame (6), a lower cover (7), an eccentric seat assembly (8) and a driving motor (9). The three-cylinder direct-current miniature pump has the advantages that media of the three-cylinder direct-current miniature pump can be pure water or solution with certain acid-base properties, so that service requirements of small household electric appliances and medical equipment can be met; the cylinders of the three-cylinder direct-current miniature pump are in vertical check valve integral designs, are compact in structure and small in size, are integrally formed by dies, and accordingly the integral pump is compact in structure and low in cost; a pump body is thoroughly isolated from the motor by the aid of a totally closed structure, so that the extracted working media are prevented from being in contact with the motor, the liquid cannot seep into the motor to damage the motor, a motor protecting effect is realized, and the service life of the motor is prolonged.

The invention discloses a durable cable, and belongs to the field of cables, and the durable cable comprises a cable core, a protection layer and an outer protection layer; the cable core is alternately and intermittently sleeved with small circular ring sleeves and large circular ring sleeves in the length direction of the cable core, and the opposite sides of every two adjacent small circular ring sleeves are located on the inner side of the large circular ring sleeve between the two small circular ring sleeves; a reinforcing core extending in the length direction of the cable is arranged at the circle center of the cable core, short supporting strips connected to the reinforcing core are fixed to the inner ring surface of the small circular ring sleeve at equal intervals along the circumferential side of the small circular ring sleeve, and long supporting strips connected to the reinforcing core are fixed to the inner ring surface of the large circular ring sleeve at equal intervals along the circumferential side of the large circular ring sleeve; an annular gap is formed between each small circular ring sleeve and the corresponding adjacent large circular ring sleeve, supporting blocks are distributed in the annular gaps at equal intervals along the circumferential sides of the annular gaps, and the supporting blocks are made of water swelling materials. The cable is firm in structure, reasonable in design, safe and reliable, has better compression resistance, tensile resistance, heat dissipation, waterproof performance and the like, and can improve the durability of the cable, thereby prolonging the service life of the cable.

Belonging to the technical field of high polymer materials, the invention relates to a lightweight wear-resistant material for mobile phone rear covers, which comprises 50-60 parts of polycarbonate, 20-30 parts of ethylene propylene diene monomer compound, 20-30 parts of polyethylene and 12-16 parts of inorganic mixture. The preparation method comprises the following steps: weighing the raw materials, heating the weighed raw materials to 260-280 DEG C, uniformly mixing to obtain a mixture, and carrying out injection molding and cooling demolding under the pressure of 150-170MPa to obtain the light wear-resistant material for the mobile phone rear cover. The inorganic mixture, the aluminum nitride fibers and the basic magnesium sulfate crystals are added to cooperate with one another, so that the thermal conductivity and the strength of the material for the mobile phone rear cover are improved, and the service life of the material is prolonged. The aluminum nitride fibers and the basic magnesium sulfate whiskers are treated by a silane coupling agent, and the graphite reinforcing agent contains modified silicone oil, so that the compatibility between an inorganic mixture and a polymer base material is improved; the product can be endowed with good scratch resistance.

The invention is suitable for the technical field of solar cells, and provides a solar cell module, a preparation method and a photovoltaic system. According to the preparation method of the solar cell module, the top surface glass and the bottom surface glass are uniformly coated with the silica gel by adopting the sawtooth-shaped coating and scraping tool, the triangular concave-convex grooves are formed in the surface of the silica gel after coating and scraping, and the triangular concave-convex grooves formed in the surface of the silica gel are beneficial to uniform distribution of the silica gel and discharge of bubbles in the coating and scraping process; the extraction of bubbles in the lamination process is further facilitated, the problem that bubbles and bubbles are easy to generate when the silica gel is used for packaging the solar module is solved, and the sealing performance and the packaging effect of the silica gel are improved; and besides, sealing glue with water resistance is adhered to the peripheries of the top glass and the bottom glass, silica gel is matched with the sealing glue for edge sealing, the service life of the battery assembly is further prolonged due to the excellent water vapor resistance of the sealing glue, and the packaging effect is good.

The invention belongs to the technical field of high polymer material and specifically relates to a cold-resistant insulating resin composition and a preparation method thereof. The cold-resistant insulating resin composition is prepared from the following raw materials (by weight): 70-85 parts of EPDM rubber, 10-23 parts of BR, 22-34 parts of Styrene Butadiene Rubber, 5-15 parts of wood fiber, 5-8 parts of a fire retardant, 80-100 parts of a filler, 3-6 parts of an anti-aging agent, 4-8 parts of a vulcanizing agent, 1-2 parts of a cross-linking agent, 12-25 parts of a softener and 4-10 parts of an accelerant. Through cooperation of the various raw materials, the insulating resin composition has excellent tensile property, aging resistance, oil resistance, cold resistance and flame retardant property.

The invention relates to a polyether ether ketone modified acrylic water-based industrial coating, which is composed of a polyetherether ketone modified acrylic water-based resin, a cosolvent, a substrate modifier, nano functional materials, pigments and fillers, additives and water; wherein , the nano functional material is nano SiO 2 , Nano ZnO, Nano TiO 2 , Nano Al 2 o 3 , Nano SnO 2 , nano boron nitride, potassium titanate whiskers, carbon nanotubes or graphene; the polyether ether ketone modified acrylic acid water-based resin is synthesized by ATRP free radical polymerization from reactive acrylic acid modified polyether ether ketone; The polyether ether ketone modified acrylic water-based industrial coating prepared by the invention has excellent adhesion, water resistance, corrosion resistance, abrasion resistance, water vapor resistance, salt spray resistance, aging resistance and flash resistance Rust resistance, anti-rust corrosion resistance and self-flammability.

The invention relates to a PEEK-modified polyurethane infrared and ultraviolet fully shielding waterborne transparent thermal insulating paint. The PEEK-modified polyurethane infrared and ultravioletfully shielding waterborne transparent thermal insulating paint is composed of PEEK-modified waterborne polyurethane resin, solubilizer, substrate accelerator, nanometer transparent thermal insulatingagent, nanometer photocatalysts, transparent nanometer pigments, auxiliaries and water, wherein the PEEK-modified waterborne polyurethane resin is prepared by synthesizing amine-modified PEEK, low-polymer polyols, diisocyanate and hydrophilic modifier into a prepolymer under the action of catalysts and then performing alcohol and amine chain extension. The prepared PEEK-modified polyurethane infrared and ultraviolet fully shielding waterborne transparent thermal insulating paint is excellent in adhesion force, corrosion resistance, ageing resistance, humidity and heat resistance, wearing resistance, self-cleaning properties, radiation resistance, static resistance, fire resistance and mechanical performance, reaches a visual light transmittance near to 70%, capable of fully shielding ultraviolet and infrared rays and significant in thermal insulating performance. Therefore, the PEEK-modified polyurethane infrared and ultraviolet fully shielding waterborne transparent thermal insulating paint can be widely applied to surface thermal insulation and protection of building glass, vehicle glass, engineering plastics, steel structures and cement.

The invention provides a formula and a production process for a high-temperature-resistant conveyor belt. The conveyor belt is prepared by adding the following material components into surface rubber: 100% of EPDM rubber, 2 to 5% of a vulcanizing agent, 0.2 to 0.7% of a promoter, 5 to 9% of an active agent, 1 to 5% of an antiaging agent, 4 to 55% of a reinforcing agent, 10 to 20% of a softening agent, 20 to 50% of aluminum silicate, 4 to 5% of polyamide and about 3% of other material components. According to the invention, due to the selection of the heat-resistant material EPDM rubber and the addition of aluminum silicate and polyamide in the surface rubber of the high-temperature-resistant conveyor belt, heat resistance of the rubber is improved; heat-insulating effect is exerted to the surface rubber and cloth; the temperature of the cloth can be protected from improving, so foaming between the cloth and the rubber is prevented from occurrence, and the conveyor belt can be still used; heat insulation is improved; service life is prolonged; and work efficiency is increased.

The invention belongs to the field of gas separation, and in particular relates to a porous adsorbent for separating alkenes and alkanes and its preparation method and application. The microporous carbon adsorbent for separating alkenes and alkanes of the present invention is obtained by the following preparation method: (1) Add two-dimensional nanomaterials, water and organic solvents in proportion; (2) sequentially add aromatic amine compounds, phenolic compounds and aldehyde compounds to the mixture in step (1) in proportion to obtain polymers; (3) combine the above The polymer is subjected to gel aging to obtain an aged polymer; (4) the above-mentioned aged polymer is subjected to carbonization treatment under an inert atmosphere condition to obtain a microporous carbon adsorbent product. The skeleton structure of the microporous carbon adsorbent provided by the present invention is connected by nano-carbon sheets with a thickness of 50-350nm. Alkanes are highly selective.

The invention relates to a synthesizing and recycling technology for waste plastic cements and recycled asphalt concrete. The synthesizing and recycling technology is characterized in that the waste plastic cements are recycled and made into rubber particles, and then the rubber particles are blended with the recycled asphalt concrete according to a mass ratio of 1:5.6 through the rubber asphalt processing equipment. The synthesizing and recycling technology has the advantages of making full use of the waste plastic cements and waste asphalt concrete, avoiding wasting of resources and pollution to environments, saving cost and simultaneously solving the problems that roads paved by conventional asphalt concrete are easy to age, the conventional asphalt concrete easily results in reflection cracks of road surfaces, and the using function of the road surface is seriously affected by cracking, slurry spurting, loosening and the like of the conventional asphalt concrete in a using process.

The invention relates to a denitrification treatment method for flue gas discharged from an ethylene cracking furnace. The flue gas flows sequentially through a radiation section, a convective heat exchange section A, an ammonia injection grid, a convective heat exchange section B, an SCR denitrification reaction section and a convective heat exchange section. C, the preparation method of the catalyst filled in the SCR denitration reaction section is as follows: (1) Add carbon black powder and cerium nitrate to the ethanol solution containing silicon source, mix under ultrasonic dispersion conditions, separate solid-liquid, and carry out solid phase Dry to obtain silicon and cerium modified carbon black powder; (2) Add modified carbon black powder to ethanol solution containing titanium source, add dilute nitric acid solution to form sol-gel, and then treat at high temperature in an oxygen-free atmosphere , roasted in an oxygen-containing atmosphere to obtain a macroporous titania carrier containing silicon and cerium; (3) After mixing the titania carrier, molecular sieve and active component precursor, molding it to obtain a honeycomb denitration catalyst. The method of the invention has good denitrification activity, strong ability to resist water vapor, the catalyst is not easy to crack, and the service life is long.