47results about How to "Not easy to get dusty" patented technology

The invention relates to a novel plate type air preheater, and belongs to the field of heat exchangers. The novel plate type air preheater comprises a heat exchange core with corrugated plates, an air preheater shell, flue gas inlet and outlet pipelines and air inlet and outlet pipelines. A plurality of groups of plate bundles are stacked up in a certain manner to form the heat exchange core with the corrugated plates. Two corrugated plates are welded together in a plane zone to form each plate bundle, flue gas elliptical tubular channels are formed by the plate bundles, the plate bundles are stacked up in the planar zones and then are welded to form air shell-side channels, and heat can be exchanged between two types of media in a cross-flow manner. The novel plate type air preheater has the advantages that the novel plate type air preheater is compact in structure, high in heat transfer efficiency, long in service life, convenient to machine and low in cost, and is high-temperature-resistant and high-pressure-resistant; air flue of the novel plate type air preheater flows through the elliptical straight channels and is low in flowing resistance as compared with a tubular air preheater and a finned tube air preheater; the novel plate type air preheater cannot be contaminated by dust, and the dust can be easily cleaned even of the novel plate type air preheater is contaminated by the dust.

The invention relates to a softening agent for processing clothing. The softening agent contains the following components in parts by mass: 12-20 parts of esterquats, 1-2.4 part(s) of ylate emulsion, 3-10 parts of sodium myristoyl sarcosinate, 0.5-0.85 part of polyethyleneimine, 0.5-4 part(s) of silicone oil, 0.4-2.7 part(s) of stearic acid, 0.02-0.08 part of a preservative, 0.05-0.12 part of natural essence, 0.01-0.03 part of a coloring matter and 145-160 parts of deionized water. When the softening agent provided by the invention is used for processing the clothing washed for multiple times, the bacteria on the clothing are killed, and the clothing is not yellowed; meanwhile, the clothing becomes floppy, dry and clean and not oily, and the water absorbing capacity is kept; the processed clothing has excellent anti-static performance during using and wearing, and has less possibility of sticking with dust.

The invention discloses a metal post-plating chromium-free passivator with hydrophobic surface property. The passivator comprises the following raw materials: 0.5-30 g / L of silicate, 0.01-1 g / L of a nanometer material and 0.1-10 g / L of one or more of a silane coupling agent, a titanate coupling agent and a water-based wax emulsion. Through adoption of the passivator, a passive film is formed on the surface of plated metal to achieve an anti-corrosion purpose; the metal surface plating treated by the passivator is good in hydrophobic function and hydrophobic function, can achieve a lotus-leaf-like effect, has a self-cleaning function, is low in possibility of dust gathering, and can be cleaned by water very easily; moreover, the passivator is environment-friendly, simple to prepare, convenient to use, and wide in application prospect; the raw materials are wide in source and low in cost.

The invention provides a waste heat recycling type deduster which is used for recycling waste heat of high-temperature flue gases. The waste heatrecycling type deduster comprises a plurality of box bodies connected in sequence, high-temperature flue gas flow channels are formed in the box bodies, and a plurality of filter devices for filtering flue gases are vertically arranged in each high-temperature flue gas flow channel; water cooling devices are respectively arranged on the outer walls of the box bodies, and the water cooling devices on the outer walls of the box bodies exchange heat with high-temperature flue gases flowing in the box bodies, and heat recycling devices are respectively connected to the water cooling devices so as to recycle the heat generated after the heat is exchanged between the water cooling devices and the high-temperature flue gases. The waste heatrecycling type deduster not only can remove dust, but also can recycle heat in the high-temperature flue gases at the same time.

The invention relates to an emulsion paint composition with a special artistic effect, and a preparation method and an application thereof, and concretely discloses a composition comprising pearlescent pigment and glass beads as a pigment and filler. The composition concretely comprises, by weight, 3-30 parts of the pearlescent pigment, 20-25 parts of the glass beads, 10-40 parts of an emulsion, and optionally selected 10-60 parts of water. The invention also discloses the preparation method and the application of the composition. The composition has the advantages of easiness in construction, good dust resistance, long service life, excellent artistic effect after coating, and broad application prospect.

The invention discloses a ceiling fan with telescopic fan blades. The ceiling fan comprises a base, a swing pipe, a rotation disc, connection pieces, first fan blades and second fan blades. One end of the swing pipe is fixed on the base, and the other end of the swing pipe is fixedly provided with the rotation disc; the connection pieces connect the rotation disc and the first fan blades; the first fan blades are hollow structures, and guide grooves and limit grooves are formed in the first fan blades; the second fan blades are hollow structures, and guide blocks and limit blocks are arranged on the outer sides of the second fan blades; the second fan blades are arranged in the first fan blades and fixed on the first fan blades through springs. The ceiling fan is simple in structure, it is guaranteed that the second fan blades are accommodated in the first fan blades under the traction of the springs when the ceiling fan is not in a working state, occupied space is reduced, dust can not easily stain the second fan blades, in work, under the action of centrifugal force, the second fan blades extend out of the first fan blades, the area of the fan blades is increased, and the fanning effect is enhanced.

The invention relates to a polyurethane resin for a synthetic leather surface layer, and a preparation method thereof. The preparation method of the polyurethane resin comprises the following steps: jointly adding polyether polyol, polyester polyol, polysiloxane a and a part of solvent into a reaction kettle, stirring at 40-55 DEG C until the components are completely dissolved, adding a part of isocyanate, heating to 70-80 DEG C, and carrying out a prepolymerization reaction for 0.5-1 h; continuously adding a small molecular chain extender, cooling to 50 DEG C, stirring for 15-30 min, addinga catalyst, supplementing the remaining isocyanate, heating to 70-80 DEG C, and continuously reacting for 0.5-1 h; and supplementing the remaining solvent until the viscosity reaches 100-160 cps, cooling to the temperature of 50 DEG C, continuously stirring for 1-1.5 h, and adding isocyanurate and polysiloxane b to obtain the polyurethane resin for the synthetic leather surface layer. The productprovided by the invention has outstanding wear resistance and heat resistance, does not whiten after high-temperature embossing, has a remarkable antifouling effect after being applied to synthetic leather, and is not prone to being stained with dust.

The invention relates to a special-shaped composite material section bar, which can be combined with right-angled angle iron and used for power transmission and distribution poles and towers, trunk line electrification pole and towers or communication poles and towers. The special-shaped composite material section bar comprises a body, wherein the body is provided with a first panel and a second plane, one end of the first panel is directly connected with one end of the second panel, and the other end of the first plane is connected with the other end of the second panel through a circular-arc surface. According to the special-shaped composite material section bar, because the surface is arranged into a circular arc, the special-shaped composite material section bar has the characteristics of self cleanness, hardly ash staining and no cumulative water; in addition, the section bar is made of insulated composite materials, thereby having the advantages of good insulation property, light weight and high safety performance.

A spontaneous-heating and anti-static garment fabric is formed by interweaving warp and weft. The warp is prepared from the following raw materials in parts by weight: 5-8 parts of graphene oxide, 20-25 parts of modal fibers, 6-8 parts of lonicera tangutica fibers, 6-8 parts of ramie fibers, 5-8 parts of phosphorous permanent flame-retardant polyester fibers, 6-8 parts of cushaw stem fibers, 1-2 parts of copper fibers and 4-6 parts of nano-alumina; the weft is prepared from the following raw materials in parts by weight: 3-5 parts of magnetic fibers, 2-3 parts of tourmaline, 4-5 parts of polyborosiloxane, 1-2 parts of aluminum hydroxide, 15-20 parts of carbon fibers, 12-16 parts of dogbane leaf fibers, 1-2 parts of copper fibers and 18-22 parts of lysimachia alfredii hance fibers. The fabric contains graphene oxide and tourmaline which have certain spontaneous heating capacity; the fabric also has anti-static performance, thereby preventing electrostatic sparks during friction; meanwhile, the fabric has good breathability and flame retardancy, can be directly contacted with skin, is comfortable to wear and cannot cause damage to skin.

The invention relates to a novel compound material section bar used for combining a power transmission tower. The novel compound material section bar comprises a body and at least one circular arc surface on the surface of the body. Since the surface of the novel compound material section bar is shaped into a circular arc, a power transmission tower combined by the novel compound material section bar has the self-cleaning and dust-proof characteristics; in addition, since the section bar is made of insulating composite material, the power transmission tower also has insulation property. The combined power transmission tower can be used for replacing a traditional steel angle power transmission tower, and the weight of the power transmission tower is reduced.

The invention belongs to the technical field of explosion-proof membranes, and particularly relates to an antistatic anti-aging polyimide explosion-proof membrane which comprises a polyimide layer and a hardened layer. The hardened layer is prepared from the following components in parts by weight: 80 to 100 parts of high-functionality polyurethane acrylate, 15 to 25 parts of an antistatic flexible anti-aging agent, 10 to 20 parts of a reactive diluent, 1 to 3 parts of a photoinitiator, 10 to 20 parts of nanoparticles, 0.05 to 1 part of an anti-fingerprint agent and 80 to 150 parts of a solvent. According to the explosion-proof membrane, the hardened layer is coated on the polyimide layer; polyimide is good in foldability but not good in hardness, and high-functionality polyurethane acrylate in the hardened layer can effectively improve the hardness and abrasion resistance of the hardened layer; and the antistatic flexible anti-aging agent not only can ensure that the hardened layer can be well bent along with the polyimide layer, but also can improve the antistatic performance and aging resistance of the anti-explosion membrane, so that the explosion-proof membrane is high in hardness and foldability, can effectively reduce static electricity generated in the production and use process, and is long in service life.

The invention relates to a dry granular distributing machine and a dust cover. A rack, a raw material supply device, a conveying device, a distributing device, a control device, a recovering device and a sucking device are included. The recovering device is located below the output end of the conveying device, the sucking device is arranged between the output end and the input end of the conveying device, the output end of the raw material supply device is located above the distributing device, the control device is located on one side of the conveying device, the conveying device, the raw material supply device and the distributing device are fixed to the rack, and the dust cover is located outside the dry granular distributing machine. The working processes of the dry granular distributing machine include storage, conveying, discharging, glaze line joining, waste material recovering and material suction. By means of the dry granular distributing machine, the problems that at present, in ceramic dry granular distributing production, unnecessary dry granular waste is avoided, dust pollution environments are caused are solved.

The invention discloses a glass curtain wall spraying cleaning agent. The cleaning agent is composed of a component A, a component B and a component C at the ratio of 3: 1: 2, wherein the component Acomprises the following components in parts by mass: 7-10 parts of epoxy resin, 20-25 parts of water glass, 5-8 parts of sodium fluosilicate, 39-46 parts of carbon dioxide nanoparticles, 11-17 parts of a flame retardant, 9-14 parts of a coalescing agent and 10-14 parts of a defoaming agent; the component B is prepared from the following ingredients in parts by mass: 16-19 parts of an antioxidant,22-27 parts of nano silicon dioxide, 4-8 parts of zinc oxide, 13-17 parts of modified epoxy resin, 7-11 parts of a flatting agent, 4-9 parts of a plasticizer, 13-18 parts of a coalescing agent and 14-19 parts of a bonding agent; and the component C comprises the following components in parts by mass: 15-19 parts of wood fiber powder, 10-15 parts of carbon fiber powder, 22-26 parts of a wetting agent, 9-16 parts of a leveling aid, 10-16 parts of a gas-phase corrosion inhibitor, 11-17 parts of a plasticizer, 7-14 parts of butadiene styrene rubber, 13-18 parts of an ultraviolet light absorber and22-28 parts of an auxiliary material.

The invention provides a diatomite art lacquer coating containing inorganic salts. The diatomite art lacquer coating is prepared from the following raw materials in percentage by weight: 75-85% of water-soluble epoxy modified acrylic resin, 2-6% of pearl powder, 0.3-0.6% of water-soluble fibers, 0.2-0.5% of dispersants, 1-3% of moisture retention agents, 0.2-0.4% of anti-bacterial agents, 2-6% ofbactericides, 1-3% of defoaming agents, 0.4-0.7% of pH regulators, 2-4% of thickening agents, 0.6-1.2% of silicon dioxide, 10-15% of silicate, 0.3-0.6% of silane coupling agents, 4-8% of diatomite, 2-8% of nano calcium carbonate powder, 2-4% of inorganic pigments, 2-9% of odor removing agents and a proper amount of water. The diatomite art lacquer coating is simple to prepare and mild in color, isnatural and environmentally friendly, and is capable of purifying air, absorbing water and resisting flame.

The invention provides an urban fast charging station which comprises a charging pile, a mounting groove is formed in the front face of the charging pile, a charging gun is inserted in the mounting groove, a movable opening located below the mounting groove is further formed in the front face of the charging pile, a square cabin is arranged on the side face of the charging pile, and a pull plate with the end extending out of the movable opening is arranged in the square cabin. An air outlet device with an outlet facing the mounting groove and at least three belt wheel driving devices located below the air outlet device are further arranged in the square cabin, the belt wheel driving devices are sequentially arranged, and a mounting frame located on the outer sides of the belt wheel driving devices and pointing to the movable opening is further arranged in the square cabin. At least three driving wheels are arranged on the mounting frame and are in one-to-one correspondence with the belt wheel driving devices, the pulling plate is connected with a pulling belt which is wound on the driving wheels in a wave shape, and the pulling plate can be pulled to drive the belt wheel driving devices to enable the air outlet device to discharge air towards the mounting groove.

The invention discloses a low-gram weight reinforced lightweight corrugated box production process, including drying of corrugated cardboard, cutting of corrugated cardboard, bonding of corrugated cardboard, and molding treatment of corrugated cardboard. Cartons made of reinforced lightweight corrugated paper are made of corrugated base paper with low grammage and high strength < 100 g / m2. The internal interval of the corrugated paper is equivalent to the length of the reinforcing ribs, and the surface of the corrugated paper is coated with a waterproof layer. Glue and corrugated cardboard are firstly dried by the dryer, and then cut and folded under the control of the specified size by the automatic cutting machine. ribs, so that the box made has the characteristics of light weight, high strength and waterproof.

The invention relates to the technical field of trunks, in particular to a device for rapidly cleaning hidden type trunk casters. The device comprises a device body, a groove communicating with the outside is formed in the bottom of the device body, the left groove wall and the right groove wall of the groove are both tightly bonded with two mutually symmetric first main magnets, and a second mainmagnet is tightly adhered to the top wall of the groove, four protective sleeve storage devices arranged in a matrix mode are arranged in the groove, the protective sleeve storage device comprises astorage box, a sleeve hanging rod arranged along the width direction of the storage box is arranged on the rear chamber wall of a containing cavity, a sealing cover is further arranged on the storagebox, and a protective sleeve is wound on the sleeve hanging rod. According to the device for rapidly cleaning a hidden type trunk caster in the invention, the operation is simple and fast, the protective sleeve can be replaced conveniently, the trunk casters are not easy to contaminate, and convenience is brought to users.

The invention relates to building paint applied to interior walls, in particular to jade enamel paint. The jade enamel paint comprises water, hydroxyethyl cellulose, dispersing agent, glycol, light calcium carbonate, sodium bentonite, ground calcium carbonate, talcum powder, wollastonite, silicone-acrylate emulsion, coalescing agent, hydroxypropyl methyl cellulose, pH value regulating agent, defoamer and thickener. The jade enamel paint has the advantages of high breathability, water resistance, scrubbing resistance, high adhesion strength, non-existence of powdering, peeling and bulging, relative flame resistance effect, simplicity and convenience in construction, optional matching of various patterns, variety in texture selection and the like.

The invention relates to a composite-planar gas heat energy exchanger. The composite-planar gas heat energy exchanger comprises a corrugated plate heat exchange core body, a heat energy exchanger housing, a smoke inlet-outlet port pipeline and an air inlet-outlet port pipeline. The corrugated plate heat exchange core body is formed through stacking a plurality of groups of plate bundles in a certain form. Each plate bundle is formed through welding two corrugated plates together in a plane area, and a quasi-elliptical-tubular smoke channel is formed; each two plate bundles are stacked in the plane area and then welded to form an air shell-side channel; and two mediums exchange heat in the form of cross flow. The novel plate-type air pre-heater provided by the invention is compact in structure, high in heat transfer efficiency, resistant to high temperature and high pressure, long in service life, convenient to machine and low in cost. Compared with tube-type air pre-heaters and finned-tube-type air pre-heaters, according to the planar gas heat energy exchanger, smoke passes through an elliptical straight channel, so that the planar gas heat energy exchanger is low in flow resistance and not liable to be stained with ash, and ash removal is easily carried out even if in the case that the planar gas heat energy exchanger is stained with ash.

The invention discloses environment-friendly anti-tearing wallpaper which comprises a waterproof layer, an anti-radiation layer, a reinforcing layer and an anti-moth layer; the anti-radiation layer islocated on the inner side of the waterproof layer, the reinforcing layer is located on the inner side of the anti-radiation layer, the anti-moth layer is located on the inner side of the reinforcinglayer, the anti-moth layer is stuck to a wall, the anti-radiation layer comprises an absorbing layer and a plurality of metal spiral bars located inside the absorbing layer, the metal spiral bars arearranged in the length direction of the wallpaper, the intervals between the adjacent metal spiral bars are equal, and the metal spiral bars include inner spiral bars and outer spiral bars. The wall is effectively protected, the waterproof performance is good, dust is not likely to be stuck to the wallpaper, the surface of the wallpaper can be conveniently cleaned, the anti-tearing performance ofthe wallpaper is effectively improved, repeated construction is facilitated, electromagnetic radiation is shielded, and formaldehyde and other harmful gas in air can be removed.

The invention discloses a synthesis formula of an environment-friendly suspension type assembled floor, and relates to the technical field of floor processing and laying. The synthesis formula comprises raw materials in parts by weight as follows: 10-20 parts of PTFE, 20-50 parts of sepiolite, 20-34 parts of filler, 10-15 parts of TPE, 40-60 parts of polypropylene, 8-14 parts of glass fiber and 8-12 parts of an anti-ultraviolet additive. A preparation method of the floor specifically comprises the steps as follows: S1, preparation of the filler; S2, PTFE reinforcement; S3, mixing; and S4, floor production. According to the synthesis formula and the construction method of the environment-friendly suspension type assembled floor, the strength and hardness of PEFE can be improved by adding glass fiber to the PEFE, the suspension type assembled floor has good corrosion resistance while the strength of the suspension type assembled floor is improved, the service life of the floor can be effectively prolonged, the floor cannot be stained with dust easily, in addition, the anti-ultraviolet additive can effectively improve the anti-ultraviolet performance of the suspension type assembled floor and prevent the floor from fading, the floor can still keep bright color after long-term use, and attractiveness is not affected.

The invention provides a plush toy fabric and a preparation method thereof. The plush toy fabric comprises, by weight, 2-10 parts of peacock's velvet, 3-9 parts of Geim cashmere, 1-12 parts of sheep cashmere, 2-8 parts of amylase, 3-10 parts of plant fiber, 6-16 parts of acrylic fiber, 5-7 parts of polyethylene fiber, 8-10 parts of pine needle cashmere, 4-8 parts of polyester, 3-10 parts of cellulose acetate fiber, 3-10 parts of silkworm silk, 3-10 parts of wool yarn, 3-10 parts of spun silk, and 3-10 parts of polyacrylonitrile fiber. Wool and elasticity are maintained for a long time by the plush toy fabric, and the fabric is not susceptible to mould or stain.

The invention discloses a self-cleaning and purifying glass curtain wall. The self-cleaning and purifying glass curtain wall includes a first self-cleaning layer, a heat preservation board, an adhesive layer, a glass layer and a second self-cleaning layer which are arranged from the inside to the outside; the first self-cleaning layer and the second self-cleaning layer are composed of two components A and B according to the ratio of A:B = 2:1; and the A and B include the following components in parts by mass: the A component includes the following components in parts by mass of 9-14 parts of water-based resin emulsion, 10-13 parts of silicon carbide micro-powder, 35-40 parts of carbon dioxide nano-particles, 10-18 parts of flame retardant, 13-18 parts of coalescing agents, and 12-17 partsof defoamer; and the B component includes the following components in parts by mass of 26-29 parts of deionized water, 4-8 parts of anhydrous methanol, 13-18 parts of ethyl orthosilicate, 10-14 partsof concentrated ammonia water, 12-19 parts of plasticizer, 8-11 parts of styrene butadiene rubber, 14-19 parts of ultraviolet absorber, and 8-13 parts of auxiliary materials.

The invention provides a corrosion-resistant and high-temperature-resistant anti-collision steel corrugated plate guardrail and a production process thereof. The anti-collision corrugated plate guardrail is coated with a polyether-ether-ketone preservative, wherein the polyether-ether-ketone preservative is prepared from the following components in percentage by weight: 30-40% of polyether-ether-ketone, 10-15% of triethylene diamine, 3-5% of terephthalyl alcohol, 5-10% of polyethylene resin, 1-3% of calcium stearate, 8-12% of stearic acid amide, 0.2-0.5% of antioxidant and the balance of deionized water, and the sum of the components is 100%. The corrosion-resistant and high-temperature-resistant anti-collision steel corrugated plate guardrail can resist neutral salt spray for 15,000 hours, can resist high temperature of 250 DEG C or above, and is not prone to being stained with dust. The technology can also be used for producing handrails of various shapes, and the corrosion resistance exceeds that of stainless steel handrails.