48results about How to "Keep out moisture" patented technology

The invention discloses a method of transplanting a camphor tree. The technical solution thereof has the following key points: the method comprises the process of preparation before transplanting, digging the seedlings, trimming before transplanting, seedling transportation, digging planting holes, sterilization and insecticidal treatment on the planting holes, transplanting, management after transplanting, and spraying of mixed thiophanate and deltamethrin in one week after the transplanting. A straw rope can maintain sufficient water of the seedlings in the seedling digging process, thereby avoiding the problem of dry roots due to lack of water in the transportation process; the seedlings can be protected well, and then the survival rate after transplanting is high.

The invention provides a liquid woundplast and a preparation method thereof, and belongs to the field of medical supplies. The liquid woundplast is prepared by mixing nitrocellulose, castor oil, hydrogenated castor oil, dioctyl phthalate, phenylcarbinol, ethyl acetate, butyl acetate and isopropyl alcohol and then adjusting a pH value to 6-8. After the prepared liquid woundplast is applied on a wood surface, the liquid woundplast can rapidly form a film in 1-2 min, thereby effectively isolating invasion of moisture, dust, dirt and bacteria, protecting wounds against infection and accelerating healing; and the liquid woundplast is soft, smooth, good in fitting property and not easy to fall off.

The invention discloses a fracture-resistance copper and aluminum transition plate which includes a copper end plate (1). The copper end plate (1) is fixedly connected with an aluminum end plate (2). The transition plate is characterized in that the connection position of copper end plate (1) and the aluminum end plate (2) is provided with an anticorrosion pipe (3) which employs a heat shrink pipe or a chilling shrink pipe. Fixing connection holes (4) are arranged in both of the copper end plate (1) and the aluminum end plate (2). A bar-shaped aluminum plate (5) is connected with the copper end plate (1) and the aluminum plate (2) by bolts (6) through the fixing connection holes (4). An insulating layer (7) is arranged between the bar-shaped aluminum plate (5) and the copper end plate (1). The thickness of the insulating layer (7) is identical with the thickness of the anticorrosion pipe (3). The fracture-resistance copper and aluminum transition plate is simple and effective in structure, capable of preventing electrochemical corrosion and preventing fatigue fracture at the joint position of the copper and aluminum transition plate and long in service life.

The invention relates to a polyurethane emulsion and an antireflection coating liquid prepared from the polyurethane emulsion, in the polyurethane emulsion, the particle size range of the polyurethaneemulsion is 20-150nm, and the polyurethane emulsion is prepared from the following raw materials: polyol, isocyanate, a catalyst, a chain extender, a first solvent, a neutralizer and deionized water.The antireflection coating liquid is prepared from the following raw materials: alkoxy silane, deionized water, a hydrolysis catalyst, the polyurethane emulsion, a second solvent and an auxiliary agent. The polyurethane emulsion is used as a pore-forming agent and has good compatibility with other components in an antireflection film solution, and an antireflection film prepared from the antireflection film coating solution prepared from the polyurethane emulsion has the advantages of high anti-reflection performance, good wear resistance, good weather resistance and the like.

The invention discloses a disposable wetting nasal oxygen cannula which consists of an air inlet 1, a wetting pipe 2, an air outlet 3, a wetting pipe bottom cover 7 and an air discharging pipe 12, wherein the air inlet 1 is located at the upper end of the wetting pipe 2; the air outlet 3 is located on the wetting pipe bottom cover 7; a solid wetting substance 6 is arranged in the wetting pipe 2; the disposable wetting nasal oxygen cannula further comprises an air guide pipe 4; the air guide pipe 4 is plugged into the wetting pipe 2 from the air inlet 1; and vent holes 5 are formed in the air guide pipe 4. According to the disposable wetting nasal oxygen cannula, the solid wetting substance replaces conventional wetting fluid, so that the size of a wetting device is reduced, and the wetting device is light in mass, convenient to operate, uniform in wetting of wet oxygen and long in duration, and can filter out pathogenic microorganisms and avoid cross contamination; and the disposable wetting nasal oxygen cannula is required to be used within a set time limit to guarantee the wetting effect.

The invention provides a wiring harness protection device for a sweeper, and relates to the technical field of wiring harness protection. The wiring harness protection device for the sweeper comprisesa metal shell; first condensing pipes are inserted in the metal shell in a penetrating mode; and heat conduction layers are arranged in the first condensing pipes in a sleeved mode. According to thewiring harness protection device for the sweeper, heat generated by the wiring harness is monitored by a thermal-sensitive resistance switch mounted in the wiring harness protection device. When heatis excessive, due to the characteristic of the thermal-sensitive resistance, a circuit is switched on by the thermal-sensitive resistance switch, and a water pump is started; the water pump drives water in a water tank to circularly flow in the condensing pipes; the heat emitted by the wiring harness is transmitted to the condensing pips by the heat conduction layers and heat conduction fillers; and the heat of the wiring harness is taken out by the condensing pipes, and is emitted to the outside by heat dissipation copper pieces, the aim of lowering the temperature of the wiring harness is achieved, accident of circuit breakdown caused by heating of the wiring harness leading to softening, aging and fracture of an insulating layer is avoided, and the service life of the wiring harness isprolonged and safety of the wiring harness is improved.

The invention discloses a high scattering super-hydrophobic quantum dot film and a preparation method thereof. The high scattering super-hydrophobic quantum dot film is a composite structure film formed by combining an upper super-hydrophobic particle layer (1), an upper taper hole layer (2), a quantum dot layer (3), a lower taper hole layer (4) and a lower super-hydrophobic particle layer (5) in sequence from top to bottom. The upper super hydrophobic particle layer (1) and the lower super-hydrophobic particle layer (5) are both formed by uniformly arranging nanoscale particles with two different particle sizes, and the particles are subjected to surface hydrophobic modification and therefore have a super-hydrophobic property; both the upper taper hole layer (2) and the lower taper hole layer (4) contain a smooth optical surface and an optical surface on which taper hole microstructures are uniformly distributed; the quantum dot layer (3) is a quantum dot and silica gel mixed layer. The high scattering super-hydrophobic quantum dot film has the function of improving the scattering property and the super-hydrophobic property, and at the same time, the service life of the quantum dot film is prolonged.

The invention provides a water-based amino corrosion-resistant nano industrial coating which comprises the following components in parts by weight: 30-50 parts of water-based acrylic modified alkyd resin, 6-10 parts of water-based amino resin, 5-20 parts of ethylene glycol monobutyl ether, 2-5 parts of modified mesoporous silica, 0.5-1 part of a dispersing agent, 0.5-1 part of a flatting agent, 0.5-1 part of a coalescing agent, 0.05-1 part of a defoaming agent and 10-25 parts of deionized water. The coating has the advantages of excellent corrosion resistance, environmental friendliness and no pollutant emission.

The invention discloses a low temperature water-soluble pesticide packaging film and a preparation method thereof, and relates to the technical field of water-soluble packaging films. The low temperature water-soluble pesticide packaging film is prepared from, by weight, 25-30 parts of modified polyvinylalcohol resin, 4-8 parts of chitosan oligosaccharide, 4-8 parts of polyoxyethylene, 3-6 parts of pregelatinized potato starch, 3-6 parts of maltodextrin, 3-6 parts of activated clay, 2-4 parts of glutinous rice flour, 2-4 parts of poloxamer, 2-4 parts of polyethylene glycol 6000, 1-2 parts of N-methyl-2-pyrrolidinone, 1-2 parts of polyhydroxyalkanoate, 1-2 parts of cetanol, 0.5-1 part of triethylbenzylammonium chloride, 0.5-1 part of tea seed powder, 0.5-1 part of sodium hexametaphosphate, 0.2-0.5 part of polyaspartic acid and 100-150 parts of water. The packaging film is good in water solubility and can be dissolved into cold water under the temperature of 0-5 DEG C; the dissolved substances and pesticide are applied together, enter soil after rain washing, and can be biologically degraded completely within 12 months.

The invention discloses a potato germination inhibitor. The inhibitor is prepared from raw materials in parts by weight as follows: 1-50 parts of a loss control regulator, 1-300 parts of modified silicone oil and 650-998 parts of water, wherein the loss control regulator is prepared from aminated attapulgite and micro-nano biosilicon / carbon through mixing in the mass ratio being (3-5):(1-2). The invention further discloses a preparation method of the potato germination inhibitor. The potato germination inhibitor and the preparation method thereof have the advantages as follows: (1) the preparation method is simple, convenient to operate and low in cost and allows mass production; (2) the nanocomposite prepared from attapulgite, modified silicone oil and other materials is sprayed on potatoes, a netted nano protection layer can be formed through self-assembly, moisture is isolated effectively, the germination rate is reduced, and the storage time of the potatoes is prolonged; the product is natural, green, environment-friendly and safe, has no side effects and can reduce the germination rate of the potatoes by 80%-95% and effectively guarantee the yield and quality stability of the potatoes.

A meltable fuze plug for a munition has an upper flange ringed by a specially corrugated steel washer to absorb impacts of various strength levels from various directions, and against falls, to protect the ogive and munition. The meltable fuze plug renders the munition insensitive. It is formed of a meltable plastic for facilitating venting of the munition's interior areas during unexpected fires or explosions.

The invention relates to a manufacturing method of a concrete pavement brick with a surface course. The manufacturing method of the concrete pavement brick with the surface course is characterized in that a surface course brick body and a base course brick body are included, and concretely comprises the following steps that 1, the base course brick body is made from concrete and gravel, wherein the component ratio between the concrete and the gravel is 1-1.5:1 and the concrete and the gravel are made through vibration compression; 2, the base course brick body is warmed and preheated and the temperature is maintained for 2-5 minutes; 3, primer is evenly sprayed on the surface of the base course brick body; 4, the surface course brick body is manufactured above the primer, wherein the surface course brick body is made of cement, coarse sand, silica fume and emulsion; meanwhile, a curing agent is added in the manufacturing process of the surface course brick body; 5, the surface course brick body is warmed and the temperature is maintained for 3-5 minutes. By applying the manufacturing method of the concrete pavement brick with the surface course, the color and lustre of the pavement brick is improved, the pavement brick can have long service life in the complicated external environment and is resistant to water erosion and wind decay, thus the high temperature resistance and anti-friction properties of the pavement brick are improved, the pavement brick can maintain the original color for a long time, and the pavement brick is prevented from being frosted.

The invention discloses a surface anti-rust paint for a metal product and relates to the technical field of metal products. The surface anti-rust paint is prepared from the following components: rosinmodified alkyd resin, an acrylate emulsion, polyether-modified silicone oil, petroleum sulfonate, dimethylbenzene, zinc phosphate, barium naphthenate, polyphosphate, methyl isobutyl ketone, triethanolamine, chitosan, nanometer silicon dioxide and inositol hexaphosphate. The surface anti-rust paint for the metal product, disclosed by the invention, is suitable for the metal product placed outdoorsand can effectively prevent the metal product from chemical or electrochemical corrosion in the atmosphere and the like.

The invention discloses a preparation method of super-hydrophobic preservative treated wood, which comprises the following steps: (1) dissolving cupric acetate monohydrate in water, adding glucose andPVP under a gentle heating stirring condition, continually stirring to form a reaction solution, (2) adding the reaction solution in the step (1) into a closed container, placing a wood matrix into the reaction solution in the closed container, performing heating and soaking, taking out the wood matrix, performing immersion cleaning using deionized water, drying the wood matrix to form a reservewood matrix, (3) hydrolyzing triethoxyvinylsilane to form a hydrolysis system, and (4) soaking the reserve wood matrix in the hydrolysis system, and obtaining the super-hydrophobic preservative treated wood after drying. A super-hydrophobic coating is combined with Cu2O nano particles; the presence of the super-hydrophobic coating facilitates the long-lasting effect of the Cu2O nano particles; andthe super-hydrophobic coating and the Cu2O nano particles have a synergistic effect, so that the super-hydrophobic preservative treated wood has better anti-corrosion and antibacterial effects for alonger and more lasting time.

The invention discloses a treatment method of nut grains and a special compound thickening agent thereof. The treatment method comprises the following steps of firstly, adding nut grains into a wormwood and chrysanthemum seasoning bag and tea polyphenol to achieve the purposes of preventing worm damage and resisting oxidation, adding edible salt and calcium chloride to inhibit water absorption and softening of the nut grains, and then adding a colloidal solution (special compound thickening agent) prepared from gellan gum and sodium alginate to form a transparent colloidal layer on the outer layer of the nut grains to isolate air and water, so that oxidation and mildewing are further avoided; and finally, after the nut grains are subjected to freeze drying and microwave baking, forming a core-shell structure, wherein the inner shell of the core-shell structure is a dense transparent colloidal layer on the outer surface of the nut grains. According to the nut treatment method, the shelf life of the nut grains is prolonged, the chewiness and bursting feeling of the nut grains are improved, and the treatment method is suitable for almost all the nut grains.

The invention discloses an on-site joint coating installation method used for a polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe. Hot-melt welding of a traditional joint coating plate and hot-melt welding of an outer protective pipe of an elastic sealing contraction band cannot improve the connecting quality, consequently, problems that foaming at a pipeline joint is uneven, and the heat preservation effect is low are causes, welding of the outer protective pipe is not firm, water seepage occurs, and pipeline heat energy loss and medium temperaturedrop are caused. The method comprises the following composition of a steel pipe A (4), the joint coating end faces of the steel pipe A (4) and a steel pipe B (2) are fixed through welding, a polyurethane foaming agent is uniformly sprayed on the exposed steel pipe A and the exposed steel pipe B at 360 degrees, after polyurethane is cured for 10 minutes-30 minutes, a polyurethane heat preservationlayer is formed, a polymer liquid elastic material is uniformly sprayed on the 360-degree surface of the polyurethane heat preservation layer by adopting a high-pressure liquid spray gun, the sprayingthickness is 1mm-20mm, the surface forming time after spraying is shorter than 60 seconds, the curing forming time is within 1 hours-24 hours, and the outer protective pipe is made of the polymer liquid elastic material. The invention relates to the on-site joint coating installation method used for the polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe.

The invention discloses a hemostatic and detumescent band-aid comprising liquid ingredients and traditional Chinese medicine ingredients. The traditional Chinese medicine ingredients are ground to form powder, and then the powder is stirred and mixed with the liquid ingredients to produce the finished product. The hemostatic and detumescent band-aid has the beneficial effects that the band-aid hasthe functions of rapid stopping bleeding and relieving swelling and pain; bletilla striata has the hemostatic function; with addition of other components, the components have the anti-inflammation effect; the raw materials are reliable and safe; after the raw materials are applied onto skin, the liquid band-aid can quickly form a soft and smooth film not easy to fall off, effectively isolates moisture, dust, dirt and bacteria, and protects a wound from infection and accelerates wound healing.

The invention relates to an ambroxol hydrochloride compound effervescent tablet which comprises acid particles, alkali particles and polyethylene glycol, the acid particles are prepared from the following components in parts by weight: 1.5 parts of ambroxol hydrochloride, 0.001 part of clenbuterol hydrochloride, 15 to 45 parts of an acid disintegrating agent, 50 to 100 parts of sorbitol, 0.3 to 0.8 part of saccharin sodium, 0.3 to 0.8 part of essence and 0.1 to 1 part of docusate sodium; the alkali particles are sodium bicarbonate particles, potassium bicarbonate particles or sodium carbonate particles with the particle size of 20 to 40 meshes. The ambroxol hydrochloride compound effervescent tablet prepared by the invention is non-sticky in the tabletting process, rapid in effervescence dissolution, rich in bubbles, clear in solution after effervescence, free of residues, good in taste and good in patient compliance, and is especially suitable for children.

The invention relates to the technical field of heating devices, and discloses an underwater working heating garment for heating based on the principle that a compound releases heat when encounteringwater. The garment comprises a waterproof outer layer, and a thermal insulation layer is fixedly connected to the inner part of the waterproof outer layer. According to the underwater work heating garment for heating based on the principle that compounds release heat when encountering water, when a user works underwater, a small-sized water pump can regularly pump reaction water from the water byutilizing the water inlet to enter the heat supply chamber. The reaction water slowly flows into the reaction chamber through the water outlet under the adjustment of the small water pump. The reaction water and chemical reactants are subjected to exothermic reaction in the reaction chamber to generate a large amount of heat. The released heat can promote the reaction water to be converted into hot gas carrying heat. Hot air can flow out of the reaction chamber from the vent holes in the top plate, when the hot air in the heat supply chamber is gathered to a certain degree, the hot air can flow to the airflow layer along the steam pipe, the hot air can flow to any position of the heating garment in the airflow layer to supply heat to the heating garment, and the effect of supplying heat towearers underwater is achieved.

The invention relates to the technical field of printing and in particular to a multilayer printing process and a pigment used for the process. High-brightness resin and wafers, which have different components, are added into the pigment used for the multilayer printing process and are treated through procedures of carrying out cutting, extruding a convex-concave pattern, printing an image-text layer, printing a color-developing particle thin film, carrying out gold stamping, covering with a polyethylene thin film and carrying out detection; a prepared finished product has a multilayer anti-counterfeiting pattern layer so that a consumer can conveniently carry out one-line anti-counterfeiting recognition; and the pigment provided by the invention has long storage time and the anti-counterfeiting cost is easy to reduce.

The invention discloses a potato germination inhibitor. The inhibitor is prepared from raw materials in parts by weight as follows: 1-50 parts of a loss control regulator, 1-300 parts of modified silicone oil and 650-998 parts of water, wherein the loss control regulator is prepared from aminated attapulgite and micro-nano biosilicon / carbon through mixing in the mass ratio being (3-5):(1-2). The invention further discloses a preparation method of the potato germination inhibitor. The potato germination inhibitor and the preparation method thereof have the advantages as follows: (1) the preparation method is simple, convenient to operate and low in cost and allows mass production; (2) the nanocomposite prepared from attapulgite, modified silicone oil and other materials is sprayed on potatoes, a netted nano protection layer can be formed through self-assembly, moisture is isolated effectively, the germination rate is reduced, and the storage time of the potatoes is prolonged; the product is natural, green, environment-friendly and safe, has no side effects and can reduce the germination rate of the potatoes by 80%-95% and effectively guarantee the yield and quality stability of the potatoes.

A corrugated carton with a water-resisting layer comprises a surface layer (1), the water-resisting layer (2), a pressure reducing layer (3) and a bottom layer (4), wherein the water-resisting layer (2) is made of PVC (polyvinyl chloride) materials, has a water-resisting function and is adhered to the surface layer (1) and the pressure reducing layer (3) by means of thermal molding, the pressure reducing layer (3) is a linear with projecting honeycombs, and the thickness of the corrugated carton is not larger than 3 centimeters. When being in cloudy and rainy weather or wetted by water, the corrugated carton with the water-resisting layer can isolate moisture effectively to play a role in damp proofing correspondingly.

The invention relates to a polyurethane emulsion and an anti-reflection coating solution prepared therefrom. In the polyurethane emulsion, the particle size range of the polyurethane emulsion is 20-150nm, and the polyurethane emulsion is prepared from the following raw materials: polyol, isocyanate , catalyst, chain extender, first solvent, neutralizer and deionized water. The anti-reflection coating solution is prepared from the following raw materials: alkoxysilane, deionized water, a hydrolysis catalyst, the polyurethane emulsion, a second solvent and an auxiliary agent. The polyurethane emulsion of the present invention is used as a pore-forming agent, and has good compatibility with other components in the anti-reflection film liquid, and the anti-reflection film made of the anti-reflection coating liquid prepared by containing this emulsion has high antireflection and wear resistance. Good performance, good weather resistance and other advantages.

The invention discloses a silicon-based induced active liquid dressing and a preparation method thereof, and belongs to the technical field of medical dressing. The silicon-based induced active liquiddressing includes bioactive glass, a film forming material, a pore forming agent, an antibacterial agent, a lubricant and an organic solvent. The silicon-based induced active liquid dressing is characterized in that the film forming material is one or more of cellulose nitrate, polyacrylic acid resin I, polyacrylic acid resin II and polyacrylic acid resin III; the pore forming agent is one or more of polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 1000; the lubricant is one or more of a polyaspartic acid aqueous solution, a polyglutamic acid aqueous solution and a sodium polyaspartate solution; the antibacterial agent is one of nano silver, benzyl alcohol and benzalkonium chloride; the organic solvent is a mixture of butyl acetate and ethanol. The prepared silicon-based induced active liquid dressing has good mechanical properties and can also provide a moist environment needed for wound surface healing.

The invention provides an LED packaging structure and a manufacturing method thereof, and relates to the technical field of LEDs. The LED packaging structure comprises a bracket which comprises a bracket bowl cup and a conductive substrate, wherein the bracket bowl cup is fixed on the conductive substrate; an LED chip which is fixed on the conductive substrate and is arranged in the bracket bowl cup; a wire which is arranged in the bracket bowl cup, so that the LED chip is electrically connected with the conductive substrate; and fluorescent glue which is filled in the bracket bowl cup. The fluorescent glue comprises a silica gel layer and a light conversion layer, the light conversion layer coats the LED chip, and the silica gel layer coats the outer surface of the light conversion layer, so that the light conversion layer is isolated from the external environment; the fluorescent glue is prepared from yellow-green fluorescent powder, fluoride fluorescent powder, silicon resin and a diluent; and the particle size D50 of the yellow fluorescent powder is 20-30 [mu] m, and the particle size D50 of the fluoride fluorescent powder is 20-40 [mu] m. The LED packaging structure is not prone to blackening and failure, and the packaging brightness can be guaranteed.

The invention discloses a surface-modified pretreatment fire-resistant anchoring brick and a preparation process thereof. Nowadays, generally in order to prolong the service life of a furnace lining,it is usually needed to ensure that all the properties of the anchoring brick should be consistent with the texture of a lining material, but during actual operation, the anchoring brick and the lining material are generally prepared from two different materials based on cost and the needs of actual production, and thus in the high-temperature or furnace cooling process, the situation that due toinconsistent expansion and shrinkage between the anchoring brick and the lining material, local stress asymmetry is caused, and therefore the anchoring brick cracks is caused. Aiming at the problem, the surface-modified pretreatment fire-resistant anchoring brick and the preparation method thereof are designed, and the surface of the anchoring brick is coated with a modified coating. The surface-modified pretreatment fire-resistant anchoring brick is reasonable in process design, the stress between an anchoring brick body and the lining material can be effectively buffered, and the anchoring brick is prevented from cracking; and meanwhile the structural strength of the anchoring brick body is improved, and high practicality is improved.

The invention discloses a new energy charging pile with the intelligent storage function and relates to the technical field of charging pile equipment. The new energy charging pile with the intelligent storage function comprises a base, a storage part, a movable part, an electric pile part, a protection part, a storage battery and the like, the storage part can realize complete storage of the charging pile, the electric pile part can be completely stored underground, and the ground surface space is saved; after the electric pile component is stored in the storage component, surface water can be isolated, self-protection in rainy days is achieved, the waterproof and rust-proof problems are solved. Meanwhile, a power transmission cable is disconnected with a power supply power grid, complete power failure is achieved, and the risk of electric shock is eliminated; a plurality of anti-skid rib structures are arranged on the outer surface of the equipment, and after the electric pile component is completely stored underground, the anti-skid rib structures on the ground can prevent pedestrians from slipping when walking on the electric pile component; according to the invention, a multi-protection device is arranged, that is, a protection part and a plurality of shielding shells are arranged, so that leakage protection is realized; the storage battery is arranged, so that self-powered endurance of the equipment can be realized under the condition of power failure of a power grid.

The invention discloses an insulation protection device of a flexible cable intermediate quick joint. The insulation protection device comprises a first shell, a second shell, a first side cover and asecond side cover, has a buckling structure, is simple to install, can be repeatedly used, has vertical and tough physical properties, and prevents a cable from being damaged by external force. According to the invention, by using a composite material, the device is good in insulativity, corrosion resistance and waterproofness, can be soaked in water for a long time, and does not change in appearance and waterproofness due to moisture; the device is high in fireproof performance, and can effectively prevent generated shock waves and flames when a combustion accident occurs in the cable intermediate joint so as to avoid secondary disasters; the cable seat made of silicone rubber is good in temperature resistance so as to prevent the insulation capability reduction caused by heating high temperature of the cable intermediate joint; and the interphase and relative ground discharge gaps can be adjusted according to specific requirements, the interphase and relative ground insulation strength is improved, and relative ground discharge and interphase short circuit caused by insufficient insulation strength are prevented.

The invention provides a household gas pipe, which includes a gas pipe body, the gas pipe body is wave-shaped along its axial direction, and a wave-shaped gas passage is arranged inside the gas pipe body, and the gas pipe body In the cross-section, from inside to outside, there are polyethylene layer A, aluminum layer, polyethylene layer B, fireproof mud layer and self-inspection film layer. The middle part of polyethylene layer B is embedded with a layer of steel mesh A, and the outer side of polyethylene layer B is A layer of steel wire mesh B is wound, and the wavelength of the gas pipe body is 2.8-3.2 times the wave height. The gas pipe allows users to judge whether there is a gas leak, and prevents insects from biting the pipe, thereby greatly improving the safety performance of the gas pipe.

The invention discloses a surface-modified pretreatment fire-resistant anchoring brick and a preparation process thereof. Nowadays, generally in order to prolong the service life of a furnace lining,it is usually needed to ensure that all the properties of the anchoring brick should be consistent with the texture of a lining material, but during actual operation, the anchoring brick and the lining material are generally prepared from two different materials based on cost and the needs of actual production, and thus in the high-temperature or furnace cooling process, the situation that due toinconsistent expansion and shrinkage between the anchoring brick and the lining material, local stress asymmetry is caused, and therefore the anchoring brick cracks is caused. Aiming at the problem, the surface-modified pretreatment fire-resistant anchoring brick and the preparation method thereof are designed, and the surface of the anchoring brick is coated with a modified coating. The surface-modified pretreatment fire-resistant anchoring brick is reasonable in process design, the stress between an anchoring brick body and the lining material can be effectively buffered, and the anchoring brick is prevented from cracking; and meanwhile the structural strength of the anchoring brick body is improved, and high practicality is improved.