315results about How to "Good strength" patented technology

The invention relates to an austenitic stainless steel medium-thick plate which comprises the following components in percentage by weight: no more than 0.04 percent of C, 0.3-0.9 percent of Si, 1-2 percent of Mn, no more than 0.010 percent of S, no more than 0.04 percent of P, 16-22 percent of Cr, 8-14 percent of Ni, no more than 4 percent of Mo, 0.04-0.30 percent of N, 0.0010-0.0030 percent of B, smaller than 0.30 percent of one or more rare-earth elements, such as Ce, Dy, Y and Nd, 1-10 percent of high-temperature ferrite delta and the balance of ferrum and unavoidable impurities. The manufacture method of the austenitic stainless steel medium-thick plate comprises the following steps of: smelting; hot rolling; heating and preserving the temperature of the alloy and then carrying out 4-10 passes of rolling in a recrystallization area at 1,250-1,050 DEG C; water-cooling the recrystallization area by 20-40 DEG C/s to 700-950 DEG C, rolling 3-5 rounds in the temperature interval and water-cooling to room temperature; carrying out low-temperature annealing heat treatment at 900-1,050 DEG C; washing with acid and then obtaining the austenitic stainless steel medium-thick plate with excellent strength.

The invention relates to a preparation method of an interpenetrating network formed phase-change material, comprising the following steps of: adding N-hydroxymethyl acrylamide as a network monomer, N, N-methylene-bisacrylamide as a cross linking agent, polyethylene glycol as a phase-change material and distilled water into a flask, ultrasonic-dispersing for 5 minutes after dissolving (the molar ratio of the cross linking agent to the network monomer is (1/7):(1/11), the mass ratio of the network monomer to the water is (1/6):(1/14), and the proportion of the polyethylene glycol accounts for 40-80 percent of the total mass); adding ammonium persulfate as an initiator and continuously ultrasonic-dispersing for 5 minutes, wherein the mass fraction of the initiator accounts for 1.5-3.5 percent of the network monomer; and reacting at a temperature of 70-80 DEG C for 3-4 hours to generate interpenetrating network hydrogel, and then drying to a constant weight to obtain the interpenetrating network formed phase-change material. The preparation method has a simple process and a low production cost and is friendly to environment. Moreover, the phase-change material has the advantages of high enthalpy (reaching over 108.41J/g), less loss, suitable phase-change temperature (32-42 DEG C) and good performance in high temperature resistance.

The invention relates to a fiber-woven pultrusion pipeline and a production method, wherein shape of a pipe is like a cylinder; an inner wall and an outer wall of the pipe are smooth surfaces; inside diameter of the pipe is 20-400 mm; size and thickness of the pipe are determined according to a design requirement; the pipe is woven by a plurality of long fibers to form fiber layers; each fiber layer is provided with a layer of resin materials, and is formed by heat curing; and the fiber layers are composed of a plurality of fiber-woven layers. The production method comprises the following steps: weaving by a plurality of layers; dipping with glue in vacuum; solidifying; dragging; and cutting finished products. Compared with the prior art, the advantage that fiber composites have light weight and high strength is played, the defect that transverse strength and rigidity of normal pultrusion pipes are poor is overcome, and the problem that longitudinal strength of fixed length winding pipes is poor, labor force is more, and processes are fussy also are solved in the invention. Large-size fiber-woven pipelines are pulled and extruded under a state that moulds do not move at the first time; the pipelines can be produced continuously; and production efficiency is high.

The present invention relates to a preparation method for a fireproof self-flow pouring material. The technical scheme in the present invention is that: the fireproof self-flow pouring material is mixed and milled by the following components with the weight ratio that are: 35-55wt percent of bauxite grain, 5-20wt percent of bauxite powder, 5-25wt percent of corundum powder, 5-30wt percent of electrical-melting sand grain, 2-10wt percent of pure calcium aluminate cement, 2-6wt percent of silicon powder, 2-10wt percent of alpha -Al₂O₃ powder, 0.1-0.2wt percent of water reducer and so on. The fireproof and self-pouring material prepared by the present invention is characterized in non-segregation, good fluidity, easy to be constructed, higher density, better intension and much lower cost and so on. The present invention is widely adaptable to be used in the heat stove bushing including a heat stove bushing, steel enveloping persistent level and middle enveloping level and so on.

The invention belongs to the material test technical field, to be more exactly, relates to a fatigue test sample clamp with high temperature resistance, high pressure resistance and aqueous corrosion resistance and an usage method thereof, which solves the problems of high temperature irresistance, high pressure irresistance, aqueous corrosion, large screw thread slit and poor centering in the current sample clamp. The clamp is provided with a column, a platform, an upper press cap, a lower press cap and a conversion adapter; the lower part of the column of the clamp is fixed on a cover of anautoclave, the upper part of the column of the clamp is fixed on the platform, and respectively and tightly pressed by lock nuts, the lower part of the conversion adapter is connected with a stretching shaft of a fatigue machine, through elevating the stretching shaft, an upper convex plate and a lower convex plate of the test sample are respectively placed in a platform groove and a conversion adapter groove, two dimidiate semirings are pressed on upper convex plate and the lower convex plate of the test sample, the upper press cap and the lower press cap are sleeved, the press cap bolts arescrewed for fixing two ends. The fatigue test sample clamp can be used in the autoclave for carrying out various fatigue tests (stress-stress, stress-tension, tension-tension and the like) under the high temperature high pressure solution environment, and has the advantages of simple structure and low cost.

A composite panel has one or more recesses, or smoothly-contoured recesses formed in one or both opposing sides of a core. Reinforcement conforming to each recess is coupled to the core at the recess. First and second facing sheets are respectively coupled to the first and second opposing sides of the core.

The invention provides a continuously annealed or hot galvanized cold rolled transformation induced plasticity steel plate and a preparation method thereof. The steel plate comprises the following components: 0.1-0.5% of C, 0.2-2.0% of Al, 0.5-2.5% of Mn, 0.02-0.12% of P, not more than 0.02% of S, not more than 0.01% of N and the balance of Fe. The method comprises smelting, rolling and continuous annealing or hot galvanizing and is characterized in that the hot rolling heating temperature is 1100-1250 DEG C; the heat is preserved for 1-4 hours; the initial rolling temperature is 1100 DEG C; the finish rolling temperature is 750-900 DEG C; the coiling temperature is less than 700 DEG C; accumulated cold rolled reduction is 40-80%; the continuous annealing temperature is 700-(Ac3+50) DEG C; the heat is preserved for 30-360 seconds; the cooling rate is 10-150 DEG C/s; the aging temperature is 250-600 DEG C; the aging time is 30-1200 seconds; the steel plate is cooled to the room temperature at a rate of 5-100 DEG C/s; the hot galvanizing and annealing temperature is 700-(Ac3+50) DEG C; the heat is preserved for 30-360 seconds; the cooling rate is 10-150 DEG C/s; the steel plate is cooled to 400-500 DEG C and enters into a zinc pot after the heat is preserved for 10-300 seconds; the zinc pot temperature is 450-500 DEG C; the impregnation time is 1-10 seconds; the steel plate is cooled to the zinc liquid temperature to be galvanized; the impregnation temperature is 450-500 DEG C; and the impregnation time is 1-10 seconds. The steel plate has good strength, plasticity, forming property, welding property and galvanizing property and is suitable for industrial production.

A battery pack includes a plurality of batteries interlocked linearly through a connector. The connector includes an inner peripheral portion to be welded to one battery, and an outer peripheral portion, provided outside the inner peripheral portion, to be welded to the other battery. The inner peripheral portion and the outer peripheral portion have a step in between, and the step places the inner peripheral portion in a concave portion of the connector. The inner peripheral portion of the connector is located interiorly of a caulking convex strip provided at an end face of one battery, and an inner peripheral portion is connected to the battery end face through welding without coming in contact with the caulking convex strip. The outer peripheral portion is connected to an outer peripheral portion of a battery end face of the other battery through welding.

The invention provides a preparation method of a biomass gasified tar cracking composite catalyst, comprising the following steps: first, the preparation of a binder: Ni(NO3)2.6H2O crystal and Al2O3 powder are weighed, the Al2O3 powder is added in the water solution of the Ni(NO3)2.6H2O crystal, immersed for 2h-4h at constant temperature water bath of 40 DEG C, dried into light green powder and calcinated; second, the pretreatment of dolomite: the dolomite is ground into powder of 200 meshes below; third, the preparation of a carrier of the composite catalyst: Fe2O3 and the dolomite powder are mixed uniformly and are added with the binder and 5-20mL of nitric acid to be mixed +-<*> uniformly, and the mixture is extruded to be molded, dried naturally, dried at 105 DGE C, calcinated under 400 DEG C and then calcinated at 900 DEG C; forth, the solution immersion of active components: Ni(NO3)2 ethanol solution is used for immersing the carrier of the composite catalyst, and after dried, the carrier is calcinated at 600-800 DGE C. the composite catalyst has the advantages of high catalytic activity, good strength, practical application and simple process.

The invention relates to the technology field of a packing strap, in particular to a polyester strap and the processing technic. The invention solves the problems of easy deformation, poor intensity and short service life of the common plastic packing strap including the polypropylene and polyethylene packing straps. The packing strap utilizes the PET thermoplastic polyester as the raw materials, which is made through fused blending molding by an extruder, through at least twice stretching and tempering process and then through shaping. The packing strap has width of 9.5mm to 32mm, thickness of 0.55mm to 1.3mm and tensile strength of 400MPa to 550MPa. The processing procedure includes dehumidification drying the polyester raw materials such as slice, bottle flakes and reworked materials of the bottle flakes; extruding thick slice; stretching and heating the thick slice at least twice; embossing; tempering thermoforming; cooling forming and rolling, and the processing procedure above can be finished by arranged devices on each parts capable of realizing the processing procedure in turns.

The present invention relates to one kind of health care article, and is especially one kind of health care cushion artificially synthesized with tourmaline as main material. The product has material comprising tourmaline 20-25 wt%, Yiwangshi stone 15-20 wt%, Chinese medicinal stone 10-15 wt% and pottery clay 45-55 wt%. The said materials are superfine crushed to nano level and mixed with water, and the biscuit prepared with the mixture is sintered under 1060-1160 deg.c for 8 hr to form the product. The present invention may be further produced into mattress, pillow mat, etc. for directly contacting body to reach health care function.

Provided is an Ni-saving type duplex stainless steel material which exhibits excellent gas desorption characteristics and can substitute for austenitic stainless steel. The duplex stainless steel material is characterized by: containing, by mass, 0.06% or less of C, 0.05 to 1.5% of Si, 0.5 to 10.0% of Mn, 0.05% or less of P, 0.010% or less of S, 0.1 to 5.0% of Ni, 18.0 to 25.0% of Cr, 0.05 to 0.30% of N, and 0.001 to 0.05% of Al; and having a hydrogen content of 3ppm or less, the balance being Fe and unavoidable impurities.

The invention discloses a high-entropy interlayer alloy, which comprises the following components in atomic percentage: 5-10% of Ti, 5-10% of Fe, 25-30% of Al, 15-20% of Ni, 30-35% of Cu and 5-10% of Cr. The invention also discloses a method for welding TA2/0Cr18Ni9Ti by the high-entropy effect, which comprises the following steps that: high-entropy interlayer alloy is placed between the two plates to be welded, the high-entropy interlayer alloy is in a foil folding structure, and the high-entropy interlayer alloy and local parent metal are subjected to heat fusing by an interface resistor ina resistance spot welding mode, so that the high performance welding of TA2/0Cr18Ni9Ti can be realized. According to the method and the high-entropy interlayer alloy of the method, which are disclosed by the invention, the high-entropy interlayer alloy has the advantages of favorable strength, toughness and corrosion resistance, is easy to process and form and is convenient to weld and assembly. The preparation method has the advantages of simple step and low manufacture cost and is convenient to popularize.

The invention relates to the technical field of application of amorphous alloys and in particular relates to application of an amorphous alloy to preparation of a razor blade and a razor. The strength, elastic limit and Vickers hardness of the razor blade prepared by utilizing the amorphous alloy are respectively 1400-2300MPa, 2-2.5% and 530-600, and the surface of the razor blade is still good and corrosion-free after being subjected to salt spray test for 336-480 hours. The razor comprises a blade holder, a razor rest and the razor blade prepared in application of the amorphous alloy to preparation of the razor blade. Compared with the blades coated with coating materials or on which the coating materials are deposited and the razor blades directly cast by utilizing titanium alloys or stainless steel, the prepared razor blade and razor have excellent strength, elastic limit, Vickers hardness and corrosion resistance and have the advantages of simple production processes, high production efficiency and low production costs.

The invention relates to a catalytic gasoline absorbing desulfurization catalyst, a preparation method and an application thereof. According to weight percentage, the catalyst contains 10 to 85% of activated zinc oxide, 5 to 80 % of white carbon black, 5 to 30 % of aluminum oxide and 4 to 45 % of nickel oxide. The preparation method comprises the following steps of: (1) decomposing titanium tetrachloride under hydrogen atmosphere at 1400 DEG C to obtain gaseous phase white carbon black, (2) mixing the activated zinc oxide, gaseous phase white carbon black, aluminum oxide and nickel salt into starch, (3) spraying the obtained mixture into ball or injecting into ball, (4) drying the balls formed in the step (3) at 110 to 150 DEG C, and (5) roasting the balls obtained from the step (4) at 300 to 550 DEG C. The prepared absorbing desulfurization catalyst has the advantages of strong intensity, excellent durability, excellent desulfurization activity, small octane number loss, low transportation cost, and application on mobile bed absorbing desulfurization technique.

The invention relates to a thermal protective composite with enhancing ablation and the manufacturing method. It is the novel heat insulation composite, whose manufacturing technology is that PSA fabric cloth or/and Si-based fiber mixed weaved cloth is dipped in phenolic resin and is solidified to mould. The composite in invention is widely applied in the structuring with heat insulation and protection and is provided with better intensity, stability of dimension and machining technology. It breaks through the demand that prior material can not be ablated for a long time and can not insulate heat. It finds a better solved path for realizing integration of ablative heat protection and heat insulation of material.

The invention provides a graphene electroconductive macromolecular composite material and a preparation method thereof, and an electrothermal film obtained by the graphene electroconductive macromolecular composite material, and belongs to the technical field of graphene. The electrothermal film has the advantages of high electric conductivity, high power, capability of working under the low-voltage condition and the like, and has a huge application prospect in the fields of winter heating and the like. The graphene electroconductive macromolecular composite material comprises the following components in parts by mass: 0.1 to 10 parts of graphene, 0.1 to 20 parts of electroconductive macromolecules, 5 to 40 parts of resin, 10 to 40 parts of electroconductive functional components and 0.07 to 21 parts of auxiliary functional components, wherein the graphene is prepared by a physical method. The graphene electroconductive macromolecular composite material can be applied to preparation of the electrothermal film for winter heating.

An apparatus and method for drawing an optical fiber having reduced and low attenuation loss, and good strength are provided. The apparatus comprises a furnace comprising a furnace chamber provided with heating means having heating elements, wherein a preform is suitably suspended in core tube of the furnace so that its tip can be suitably heated to a temperature suitable for drawing a fiber, the top face of furnace chamber is provided with a diffuser having an orifice for pumping inert gas into core tube of furnace chamber so as to maintain positive pressure inside the core tube; an opening suitable for insertion of preform; a felt capable of sealing a gap between said preform and said diffuser so as to avoid entry of atmospheric gases in core tube of furnace chamber and allowing preform with variations in its diameter to enter core tube of furnace chamber; a diffuser plate on its top surface with aims for covering said felt from top and minimizing its contact with the atmospheric gases; characterized in that top end of preform is provided with a tubular member which is an opaque glass tube non-permeable to infrared [IR] radiations generated during heating of preform inside the core tube of furnace chamber and capable of stopping passing of IR radiations therethrough to said felt to avoid local elevation of temperature at joint between handle and optical fiber preform so as to avoid burning of felt provided at diffuser, and hence to avoid formation of gap between said felt and said tube, and creation of cavity in top part of said core tube of said furnace chamber.

The invention discloses high-strength steel with the yield strength of 700MPa and a TMCP manufacturing method, and belongs to the technical field of production of the high-strength steel. The high-strength steel comprises chemical compositions including, by mass, 0.07% to 0.10% of C, 0.15% to 0.40% of Si, 1.20% to 1.80% of Mn, 0% to 0.40% of Cr, 0% to 0.30% of Mo, 0% to 0.30% of Ni, 0% to 0.0020% of B, 0% to 0.070% of Nb, 0% to 0.070% of V, 0% to 0.020% of Ti, 0% to 0.050% of Alt, not larger than 0.015% of P, not larger than 0.010% of S, 0.40% to 0.50% of carbon equivalent Ceq, and the balanced Fe and inevitable impurities. The method comprises the steps of slab casting after smelting, slab heating, billet heating, rolling and water cooling. The high-strength steel has the advantages that a performance index is stable, the requirement of the ultrahigh-strength steel for the performance can be completely met, and the good strength, plasticity, toughness and welding performance can be achieved.

The invention discloses a low-temperature conductive silver paste and a preparation method thereof, relating to conductive silver paste materials and aiming at solving the problems of high cost and large resistance of conductive silver pastes used for a printing industry. The low-temperature conductive silver paste comprises the following components in percentage by weight: 45% of silver powder, 6% of additive bismuth oxide, 6.2% of macromolecule resin vinyl chloride-acetate, 6.2% of macromolecule resin polyester, 34% of solvent DBE and 2.6% of solvent isophorone. The preparation method comprises the following steps of: a, weighing and mixing the solvent DBE, the solvent isophorone and macromolecule resins according to weight percentage to obtain an organic carrier; b, weighing the silver powder and the additives according to the weight percentage, and then mixing with the organic carrier obtained from the step a in a stirring way to obtain a uniform paste; and c, grinding and rolling the paste obtained from the step b to obtain the low-temperature conductive silver paste.

The invention provides a spliced rear panel structure for a display device. The spliced rear panel structure comprises an L-shaped first assembling piece, an L-shaped second assembling piece, a linear third assembling piece, and a linear fourth assembling piece, wherein both ends of the first assembling piece are connected with both ends of the second assembling piece to form a closed outer frame; the third assembling piece is arranged in the outer frame, and both ends of the third assembling piece are connected with the first assembling piece and the second assembling piece; and the fourth assembling piece is arranged in the outer frame, and both ends of the fourth assembling piece are connected with the first assembling piece and the second assembling piece to form a hollowed rear panel. The spliced rear panel structure has the outer frame with high structure strength, and is low in cost and easy to manufacture; the assembling pieces can be spliced to form rear panels in different sizes after being segmented, and a production mold for the rear panels can be shared, so that the material cost and the mold cost are lowered.

The invention relates to an electrolytic capacitor paper, in particular to a super electrolytic capacitor paper. The super electrolytic capacitor paper consists of the following components in percentage by weight: 10 to 80 percent of pineapple flax fiber and 20 to 90 percent of tencel papermaking. The super electrolytic capacitor paper has low paper tightness, high strength and small and uniform pore diameter; the capacitor paper is low in consumption due to the low paper tightness, and an internal resistance of a super capacitor is not increased; the capacitor paper is suitable for the processing of the super capacitor due to the high strength; and the super capacitor is small in leakage current due to the small pore diameter, so that the super capacitor paper is suitable for storing energy and is applied to the super capacitor.

Provided is a water-decomposable fibrous sheet including fibers containing at least 3% by mass of fibrillated rayon. The fibrillated rayon has a degree of beating of at most 700 cc and has primary fibers of a predetermined fiber length and microfibers extending from the primary fibers. In the fibrous sheet, the microfibers are entangled with at least either of other microfibers and other fibers therein, and the surface friction resistance of the fibrous sheet in dry, measured according to the abrasion resistance test method of JIS P-8136, is at least three rubbing cycles.

The invention discloses a full-degradation cushion packaging material which is prepared from, by weight, 50 parts to 60 parts of starch, 20 parts to 30 parts of plant fibers, 5 parts to 10 parts of packing, 10 parts of 15 parts of starch plasticizer A, 5 parts to 10 parts of starch plasticizer B, 1 part to 5 parts of adhesive, 0.1 part to 1 part of release agent, 0.1 part to 1 part of foaming agent, and 100 parts to 120 parts of water, wherein the plant fibers are straw fibers or bagasse fibers, the packing is talcum powder, the starch plasticizer A is glycerinum or formamide, the starch plasticizer B is urea or ethanediol, the adhesive is polyvinyl alcohol, and the release agent is stearic acid. The invention further discloses a preparing method of the cushion packaging material which is a foaming hot-press forming method. The full-degradation cushion packaging material prepared with the method has the advantages that the raw materials are reproducible, the production process is free of pollution, and production cost is low.

The embodiment of the invention discloses a method for fabricating a flexible electrode, which comprises the steps of dissolving perchlorate and a 3,4-ethylene dioxo thiophene monomer in an acetonitrile solution, obtaining a polymerized electrolyte, fabricating a substrate with graphene paper, immersing the substrate in the polymerized electrolyte to serve as a working electrode, conducting electrochemical polymerization treatment, forming a polyoxythiophene membrane electrode layer on the substrate, cleaning and drying the substrate, and obtaining the flexible electrode. According to the method, the characteristics of light weight, good strength, high hardness and the like of the flexible graphene paper are utilized; the flexible graphene paper serves as an electrode base of a super capacitor; a polythiophene electrode is electrochemically polymerized on the graphene paper to form the conductive polythiophene flexible electrode of the double electrode layer/pseudocapacitance complementary graphene paper; and the flexible electrode is good in flexibility, high in specific capacity and light in weight, and is very suitable for fabricating the super capacitors for various assembling electromobiles.

The invention discloses an aliphatic-aromatic copolyester and PLA (Poly Lactic Acid) block copolymer and a production method and an application thereof and a composition containing the block copolymer, which belong to the technical field of high molecular materials. The aliphatic-aromatic copolyester and PLA block copolymer consists of aliphatic-aromatic copolyester Q and a PLA block, and is taken as a biodegradable material; and the block copolymer can be prepared into a modified PLA material and a modified aliphatic-aromatic copolyester Q material. A product prepared with the method has wide production benefit and economic benefit.

This invention relates to the preform to produce a plastic container for packaging foodstuffs, and especially to blow mould thin-walled containers which can be hermetically closed with a metal lid by double seaming. The preform (1) includes a body (4) and a convex hemispherical bottom (6). The body (4) has a conical shape that flares towards a cylindrical neck (2) surrounded by a flange (3) that terminates in a thickened rim (5). Preferably, the angle (α) at which the internal body surface (4) flares towards the cylindrical neck is greater than the angle (β) at which the external body surface (4) opens upwards, and the thickness (g2) of the cylindrical neck (2) is less than the thickness (g3) of the bottom (6)

The invention relates to a waterproof ventilated membrane for car light. The waterproof ventilated membrane is formed by compounding of three layered structures and comprises a fabric layer, a waterproof ventilated layer and a bonding layer which is arranged between the above fabric layer and the waterproof ventilated layer and is used for connecting the fabric layer and the waterproof ventilated layer. The invention solves defects existing in the prior art. According to the waterproof ventilated membrane for car light, a fabric material and an expanded polytetrafluoroethylene film undergo compounding, laminated water resistance and oil resistance processing so as to obtain a multifunctional high-molecular material, thus endowing the expanded polytetrafluoroethylene film with better strength, waterproofness, permeability, oleophobic performance, long life, weldability and the like and maintaining internal and external pressure balance. The waterproof ventilated membrane can be used to raise reliability of many automobile parts, including parts of a car light, an engine controller/anti-lock braking system module, a sensor, a connector, an electric car window motor, a fuel system and the like, and is applied in automobile and heavy trucks. Air exchange can be carried out rapidly according to the pressure variation generated by temperature change, and vehicles can be protected from being polluted by water, automobile discharged fluids and dust.

A storage arrangement for a vehicle is disclosed. In at least one embodiment, the arrangement includes a first wall portion and a second wall portion, which wall portions are at least part of a delimitation of an accessible storage space and define at least part of an entry opening of the storage space. The second wall portion is movable and adjustable relative to the first wall portion between at least a first defined and directly accessible storage position and a second defined and directly accessible storage position, the storage space including a relatively greater storage capacity and a larger entry opening in the second storage position than in the first storage position.

A heat-insulation fireproof sound-absorbing ecological gypsum board made of composite materials utilizes alpha-hemi-hydrated gypsum or beta-hemi-hydrated gypsum as a raw material, and is characterized by further utilizing gypsum whiskers and light materials (pearlite, glazed hollow beads or foam particles) as raw materials. The gypsum board is prepared by pouring, forming by rolling and drying mixed slurry of the three raw materials and water, and the gypsum board comprises, by weight, 20-80% of the alpha-hemi-hydrated gypsum or beta-hemi-hydrated gypsum, 10-65% of the gypsum whiskers and 5-20% of the light materials. The gypsum board can serve as a heat-insulation energy-saving board for an outer wall and an inner wall, a fireproof sound-absorbing tunnel board, a ceiling board and a decorative board, has the advantages of lightness, high strength, fine bending resistance and capability of reaching standards of a level-A fireproof ecological environment-friendly product, heat-insulation boards in different thickness can be produced according to heat-insulation and energy-saving requirements of different regions so as to meet the requirements on heat insulation and energy saving, and the fireproof heat-insulation boards in industrialized production are guaranteed to meet the requirements on energy saving and quality in installation and construction.