268results about How to "Not easy to escape" patented technology

Provided are a high-pressure smelting atomizing nitrogen-quenching device and a method for utilizing the device to produce samarium iron nitrogen alloy powder. The high-pressure smelting atomizing nitrogen-quenching device comprises a high-pressure control system, a master alloy smelting system and an atomizing nitrogen-quenching system. The high-pressure control system is mainly composed of a high-pressure furnace body, a pressure control device and a vacuum pumping device. The master alloy smelting system is mainly composed of a crucible, an infrared temperature measurement device and an induction heating device. The method for utilizing the high-pressure smelting atomizing nitrogen-quenching device to produce the samarium iron nitrogen alloy powder comprises the steps of high-pressure smelting, atomization into drops, high-pressure nitrogen quenching and powder collection. The high-pressure smelting atomizing nitrogen-quenching device is simple and scientific in structure, the content of nitrogen in the produced powder is high, powder solidification quality is good, and smelting atomization and nitrogen quenching are finished in an identical container rapidly and conveniently.

The present invention relates to a method for desulfurization and denitrogenation at the same time of treating flue gas by using urea catalyst. Said method uses the urea as absorbing agent, and uses titanium dioxide or diatomite as catalyst to prepare absorption liquor, makes the flue gas mixw ith the absorption liquor to recover ammonium sulfate and ammonium nitrate, and can make comprehensive utilization to prepare fertilizer. Said invention is high-effective, can stably remove SO2 and NOx, the SO2 removing rate is up to above 95% and the NOx removing rate is up to 80%. It has no secondary pollution and is low in cost, so that it is suitable for industrial production.

The invention discloses a multilayer compound wick material. The multilayer compound wick material comprises a non-woven fabric layer, wherein the upper surface and the lower surface of the non-woven fabric layer are respectively scattered with a wicking resin to form an upper wicking resin layer and a lower wicking resin layer, the upper wicking resin layer and the lower wicking resin layer are adhered with an upper wicking paper layer and a lower wicking paper layer formed by wicking paper through a hot melt adhesive respectively, and the non-woven fabric layer, the upper wicking resin layer, the lower wicking resin layer, the upper wicking paper layer and the lower wicking paper layer are compound-molded through roll compacting. The multilayer compound wick material has the advantages of high wicking time, small liquid reverse osmosis amount, large liquid storage capacity, lasting liquid storage time, dry and comfortable surface, and no skin dipping; a technology for producing the multilayer compound wick material has the advantages of simple process and less operation; and the multilayer compound wick material can be widely used as a main wicking material in infant and adult diapers and urine pads, a wicking material of women's sanitary wicking pads, and clinical nursing and health articles.

The invention discloses a self-submergence frame type sampling method of marine juvenile fish by a sampling net, which relates to a sampling method of marine juvenile fish and needs to provide a net tool for sampling the marine juvenile fish away from the bottom and a method for controlling sampling depth. The sampling net tool provided for the sampling method is characterized in that a net port of the sampling net tool is welded into a rectangular frame by a steel pipe; four non-section net pieces with meshes of 10mm are cut into trapezoidal net pieces which are wound into shapes of a net bag; a wide port of the net bag is engaged with the rectangular frame; a narrow port of the net bag forms a bag net; the tension length of netting of the net bag is 4 meters; the lower edge of the net port is connected with a submergence device which is made into a framework by the steel pipe; a submergence deflector covers the upwind surface of the framework of the submergence device; both ends of the submergence device are hinged with triangular drawing plates which are connected with a cross rope; upper transverse beams of the net port are all uniformly tied with floaters; ship speed is between 3 knots to 3.5 knots during net placement; and the length of the cross rope is controlled and released gently by operating water depth so that the net tool is placed on an operating water layer to draw the net and sample. The sampling method is suitable for sampling the marine juvenile fish.

The invention belongs to the technical field of cables and particularly relates to a microgroove cable, which comprises a framework body, a plurality of framework blades, a plurality of framework slots, a reinforcing piece, a plurality of cable cores, a protective layer and a protective sleeve layer, wherein the framework body, the framework blades, and the framework slots are integrally formed; the framework blades are positioned on the edge of the framework body; the reinforcing piece is positioned in the center of the framework body; one framework slot is formed between each two adjacent framework blades; the cable cores are positioned in the framework slots; the framework blades are coated with the protective layer; the protective layer is coated with the protective sleeve layer in an extrusion manner; the microgroove cable is characterized in that the outer edges of the framework blades, and the outer edges of the framework slots are positioned on the side surface of the same cylinder, and at any cross section, the midpoint of the connecting line of the two ends of the opening of each framework slot and the connecting line of the top point of the bottom of each framework slot do not pass through the center of the reinforcing piece; all the framework slots are in the same direction. The microgroove cable has the main benefits as follows: the microgroove cable is easy to produce, higher in qualification rate of finished products, low in production equipment input, less in resource consumption, higher in product density, and more stable in product quality.

The invention relates to a hydrogen-enriched health beverage. The hydrogen-enriched health beverage contains drinking water, and hydrogen and water soluble plant extracts containing natural small molecular group substances are added, wherein mass concentration of the water soluble plant extracts ranges from 3 to 250000ppm, and mass concentration of hydrogen ranges from 0.6 to 3ppm. A preparation method comprises following steps: A, the water soluble plant extracts containing natural small molecular group substances are extracted from plant and are added into drinking water, and an obtained solution is stirred to be uniform; B, hydrogen is added so as to obtain the hydrogen-enriched health beverage. Compared with the prior art, the preparation method is capable of realizing dissolving of the water soluble plant extracts and hydrogen at the same time, solubility of hydrogen in water is increased greatly, release of hydrogen from water is not easily caused, retention time of hydrogen in the hydrogen-enriched health beverage is prolonged, beverage oxidation is delayed, stability is improved, and shelf life is prolonged; synergistic effect of the plant extracts with hydrogen is achieved, so that health protection effect of hydrogen is improved, health protection effect and dietary therapy effect of the water soluble plant extracts are improved, and the effect achieved via combination of two ingredients is better than the sum of the effects of the two ingredients.

The invention provides an air valve and an air sealing body provided with the air valve. The air valve comprises two internal films which are superposed up and down, at least one air inlet, at least one gas passage and at least one cutting opening; the air inlet is formed at the position which is not completely bonded at the circumference of one edge of the two internal films; the circumferences of the rest three edges of the internal films are bonded; one end of the gas passage is connected with the air inlet and formed between the two internal films; the cutting opening is arranged on the internal film beside the air passage. The air sealing body of the invention comprises two external films which are superposed up and down and at least one sealing air chamber which is formed by the external films; the air valve is arranged on the air chamber. The invention can prevent the leakage of the gas in the air chamber after inflation, and realizes extremely fine air-lock effect; furthermore, all air chambers can be inflated at the same time; the air sealing body with the air valve of the invention has the advantages of simple structure, convenient manufacture, and reducing production operation flow and manufacture cost.

The invention belongs to the technical field of composite materials and in particular relates to a charcoal-based nitrogen-enriched composite material as well as preparation and application thereof. The preparation comprises the following steps: mixing a metallic organic framework material precursor solution with pyrolysis charcoal so as to obtain a mixed liquid; enabling the mixed liquid to reactunder a stirring condition so as to obtain a metallic organic framework material on the surface of the charcoal through in-situ synthesis; and performing solid-liquid separation, namely washing and drying the obtained solid, so as to obtain the charcoal-based nitrogen-enriched composite material. The pyrolysis charcoal is mixed with the metallic organic framework material precursor solution, themetallic organic framework material is prepared on the surface of the charcoal through in-situ synthesis, the charcoal-based nitrogen-enriched composite material is prepared, and the carbon dioxide adsorption effect of the charcoal-based nitrogen-enriched composite material can be improved, so that the technical problems that in the prior art, a carbon dioxide adsorption material is small in specific surface area, low in nitrogen content, poor in carbon dioxide adsorption effect, insufficient in hardness of a metallic organic framework for gas adsorption, insufficient in intermolecular adsorption retention force, and the like, can be solved.

The invention relates to an immunocompetent cells modified by dual chimeric antigen receptor genes based on CD19 and CD70 and an application thereof. The dual chimeric antigen receptors include the chimeric antigen receptor CD19 and the chimeric antigen receptor CD70. The chimeric antigen receptor comprises an antigen binding domain, a transmembrane domain, a costimulatory signal conducting regionand a CD3 zeta signal conduct domain, and an inducible suicide fusion domain connected in series. The chimeric antigen receptor of the present invention specifically recognizes tumor surface antigensCD19 and CD70, compared to the use of other single chimeric antigen receptor T cell, the combination of two antigens is used to target CAR-T cells so that the treatment effect is better, CD19 escapeis differently generated, and the disease is easily relieved.

The invention provides a low emission polypropylene composite material with low odor. The composite material is prepared from following raw materials in parts by weight: 49.6 to 97.6 parts of polypropylene, 0 to 40 parts of talcum powder, 0.4 to 4 parts of antioxidant, 1 to 5 parts of first deodorant, and 1 to 5 parts of second deodorant. The first deodorant is an extraction type deodorant with aneffective component content of 40-85%. The second deodorant is an adsorption type deodorant with a loaded special substance. The invention also provides a preparation method of the polypropylene composite material. The preparation technology is simple, the cost is low, and moreover, the material has excellent mechanical properties, low odor, and low emission.

The invention discloses an offshore drift line type net cage system. The system comprises a frame, net cages, anchor lines and iron anchors, wherein a main cable is connected with an auxiliary cable to form the frame, floats are bound on the main and auxiliary cables of the frame, two floats are separately bound on the two ends of the main cable; each net cage is bound at each net cage port in the frame, the net cages are arranged in single row and have 50-100m of group distance; the side rope and hanging rope of each net cage are bound on the corresponding positions of the main and auxiliary cables; the position near the central section of the net cover of the net cage is provided with a feeding opening, a float or floating body is bound at the feeding opening; the sinker of the net cage is bound on the bottom surface of the net cage and on the foot line of the position of the hanging rope; and the main anchor line is connected with the main iron anchor and the two ends of the main cable of the frame, and the auxiliary anchor line is connected with the auxiliary iron anchor and the main and auxiliary cables at the four corners of the net cage opening of the frame. The offshore drift line type net cage system has reasonable structure and layout, perfect supporting facilities, good wave and wind resistance, removable combination and convenient operation.

The invention discloses a high-pressure bottom-blowing refining casting device and a method for smelting high-nitrogen steel by using the same. The casting device main body is a lamellar barrel-shaped structure; the structure from the outside to the inside is as follows: a safety flame retardant layer, a water-cooling copper crucible layer and a cutting refractory sheet, wherein an induction coil is spiral and wound on the outer wall of the safety flame retardant layer; the induction coil is connected with an electric control cabinet regulating device; a bottom-blowing system is arranged on a water-cooling movable bottom plate. The method for smelting high-nitrogen steel by using the device comprises the steps of loading, shell-producing, smelting, casting and hoisting. According to the invention, remarkable effects are as follows: refining and casting are completed in a same container, and are quick and convenient. High-nitrogen steel is produced under a high-pressure bottom-blowing condition, and efficiency is high; a cheap nitrogen gas is applied as a nitriding source, so that cost is saved. And steel ingot content is high and solidification quality is good.

The invention relates to a mosquito swatter which comprises a swatter frame, a swatter rod, a handle, a power supply, a power supply control device and an electric shock net, wherein the electric shock net is arranged in the swatter frame and electrically connected with the power supply, a cylindrical rapping surface extension part is extended from the swatter frame to the end surface, used for rapping mosquitoes, of the swatter frame, the end part of the rapping surface extension part is made of a silica gel or rubber material with elasticity, a cylindrical fan connecting seat is extended from the swatter frame to the other end surface, corresponding to the rapping surface, of the swatter frame, a fan is arranged in the fan connecting seat, the fan is electrically connected with the power supply and connected in the cylinder of the fan connecting seat through a support, one end with draft of the fan is positioned on the end surface which corresponds to the electric shock net, an LED (light-emitting diode) luminescent lamp and a containing groove for placing a mosquito inducer are arranged on the inner wall of the rapping surface extension part, a temperature sensor is further arranged at the part, adjacent to the electric shock net, of the interior of the fan connecting seat, and the temperature sensor is electrically connected with the power supply control device. The mosquito swatter is better in mosquito catching and killing effect and high in safety.

The invention discloses an invisible fish blockage control system based on a network structure. The invisible fish blockage control system comprises a master controller and a plurality of node controllers for controlling fish blockage, wherein the master controller is connected with each node controller through a controller area network (CAN) bus and monitors the operating states of the node controllers; the master controller comprises a master microprocessor, an operation and display processing module and a switching power supply module; the operation and display processing module is connected with the master microprocessor and selects the node controller through the master microprocessor and displays the operating state of the node controller; and the switching power supply module is connected with the master microprocessor, receives the control of the master microprocessor and supplies power to the node controller. According to the control system, multiple fish blockage equipment can be monitored in a unified mode, and the fish blockage out-of-control time is reduced; and moreover, the invisible fish blockage control system has the capacity of automatically adapting to various water areas, good fish blockage effect, long-term free maintenance and the capacity of continuously working all the year round.

The invention relates to a hot rolled steel plate for double-faced enamel and a production method of the hot rolled steel plate and belongs to the technical field of iron-base alloy. The production method of the hot rolled steel plate comprises the steps of: controlling the ingredients and mass percents of the hot rolled steel plate as follows: 0.02-0.1% of C, not larger than 0.1% of Si, 0.2-1.0% of Mn, not larger than 0.02% of P, 0.005-0.035% of S, 0.01-0.1% of Als, 0.002-0.01% of N, 0.01-0.1% of Ti, 0.01-0.05% of Sb, and the balance of ferrum and inevitable impurities; and simultaneously controlling the heating temperature of the continuous casting slab of the hot rolled steel plate to be 1150-1230 DEG C, controlling the temperature of a precise rolling inlet to be 1020+ / -20 DEG C, controlling the precise rolling ending temperature to be 840-920 DEG C, and controlling the coiling temperature after the precise rolling operation to be 550-650 DEG C. The hot rolled steel plate and the production method of the hot rolled steel plate fully utilize the inevitable products C, S and N elements of steelmaking production to replace the function of the Ti element to reduce the dosage of the Ti element; and a proper dosage of Sb element is added to prevent the scales detonation of the enamel and reduce the steelmaking cost, and the hot rolled steel plate with good double-faced enamel processing performance and small strength performance change after enamel is obtained.

The embodiment of the invention provides a heat curing agent and a preparation method of the heat curing agent, a frame sealing adhesive, a display panel and a display device, relating to the field of display technology, aiming at reducing the pollution of the heat curing agent for liquid crystal in the frame sealing adhesive in a box technology, and improving the picture quality of a liquid crystal display (LCD) device. The preparation method of the heat curing agent comprises the steps of: mixing 3, 5-dimethylaniline and epoxy resin; and leading the mixed 3, 5-dimethylaniline and the epoxy resin to be subjected to combination reaction within the preset temperature range to obtain the heat curing agent. The invention is used for manufacturing the display device.

The invention discloses a filtering dust collector for environmental protection. The filtering dust collector comprises a body, the middle of the rear side of the body is fixedly provided with a second motor by a support, a base is arranged at the bottom of the body, a collection bin is fixed on the left side of the base, a first motor is fixed on the right side of the base, a conveying tube is mounted above the middle of the base, a rotating tube is fixed to the conveying tube by a bearing, a spiral blade is mounted on the rotating shaft in a welding manner, the right end of the rotating shaft is connected with the output end of the first motor, a dust bin is arranged above the middle of the body, and a support shaft is mounted between the front side and the rear side of the middle of thedust bin. A stopper block fixed by a spring at an angle of 70 DEG with the horizontal plane is arranged, so dust filter plate collides with the stopper block in every ring of the filter plates rotate, and dusts on the dust filters drop down and are collected, so the dust filter plates keep a good filtering effect in every filtering process, and have no need to be frequently cleaned, thereby the filtering dust collector is convenient to use.

The invention relates to a low-density ethylene propylene diene monomer extruded sponge material and a preparation method thereof. The sponge material disclosed by the invention is prepared from the following components in parts by weight: 100 parts of raw rubber matrix, 20-50 parts of carbon black; 50-100 parts of a plasticizer, 100-200 parts of an inorganic filler, 1-3 parts of a vulcanizing agent, 15-30 parts of a blowing agent, 5-10 parts of a vulcanization accelerator, 5-10 parts of an activator, 5-10 parts of calcium oxide; wherein the raw rubber matrix is ethylene propylene diene monomer rubber, the ethylene content of the raw rubber matrix is 40-55%, the Mooney viscosity (ML(1 + 4)125 DEG C) of the raw rubber matrix is 40-80, and the content of a third monomer ENB of the raw rubbermatrix is 7-10%. The low-density ethylene propylene diene monomer extruded sponge material has the advantages of light density, smooth surface, excellent weather resistance, ozone resistance and coldresistance, the preparation method is simple and convenient to operate and low in cost, and the sponge material can be applied to the fields of pipeline or building insulation, fitness products and the like.

The invention provides a preparation method of a comb type high-molecular sand fixation and water retaining agent, comprising the following steps of: firstly, adding alkyl vinyl polyglycol ether, tetraethyl orthosilicate and catalyst p-toluenesulfonic acid into a reaction vessel, at the temperature of 50-150 DEG C, reacting for 2-10 hours, removing the solvent by vacuum evaporation to get the macromonomer; then, mixing vinyl acetate, butyl acrylate and acrylamide to get the polymerized small monomer; and finally, adding the macromonomer into the reaction vessel, adding the polymerized small monomer, water and emulsifying agent, heating up to 60-80 DEG C, dropping 40-100 parts of 5% ammonium persulfate water solution, finishing dropping within 180 minutes, preserving heat for reaction for 180-240 minutes, cooling, and obtaining the comb type high-molecular sand fixation and water retaining agent. For the comb type high-molecular sand fixation and water retaining agent, the production technology is clean and environment-friendly, and the production process is simple and convenient; the prepared comb type high-molecular sand fixation and water retaining agent forms cross-linked network with the sandy soil, and can realize higher sand fixation strength with low dosage; and the comb type high-molecular sand fixation and water retaining agent is high in strength and excellent in durability.

The invention relates to a double chimeric antigen receptor gene-modified immune cell based on CD19 and BCMA and application thereof. A double chimeric antigen receptor comprises a chimeric antigen receptor CD19 and a chimeric antigen receptor BCMA. The chimeric antigen receptor is formed by connecting an antigen binding domain, a trans-membrane domain, a co-stimulatory signal conduction region, aCD3 zeta signal conduction domain and an inducible suicide fusion domain in series. The chimeric antigen receptor can specifically recognize tumor surface antigens CD19 and BCMA; and compared with the use of other mono-chimeric antigen receptor T cells, the combined use of two antigen-targeted CAR-T cells ensures that the treatment effect is better, the CD19 escape is hard to occur, and diseasesare more easily alleviated.

The invention relates to a concentration apparatus for wet method phosphoric acid refinement. The concentration apparatus comprises a flash evaporation chamber, a forced circulation pump, a heater, a concentration material liquid outlet pipe, a concentration material fluid inner pipe, a foam removing pipe, a cyclone separator and a steam pipe. A secondary steam outlet and a lower circulation pipeare respectively arranged on the upper end and the lower end of the flash evaporation chamber. An upper circulation pipe and the concentration material liquid outlet pipe are respectively arranged onthe left side and the right side of the flash evaporation chamber. The height of the inner pipe opening on the concentration material fluid inner pipe is less than the height of the pipe opening of the upper circulation pipe. One end of an atmospheric pressure synchronization pipe is communicated with the concentration material liquid outlet pipe, and the other end of the atmospheric pressure synchronization pipe is communicated with the flash evaporation chamber or atmosphere. The foam removing pipe is connected with the secondary steam outlet. The other end of the secondary steam outlet is connected with the cyclone separator. The other end of the cyclone separator is connected with a condensate groove by a condenser. The steam pipe is arranged on a position close to the bottom of the flash evaporation chamber. With the design of the present invention, the flash evaporation effect is achieved, the siphon is prevented, it is ensured that the tiny droplet of the material liquid does not easily escape along with the secondary steam, such that the requirement of steam stripping defluoridation or steam stripping extractant recovery can be met so as to form a continuous production.

The invention discloses a 3D printing device and technique for forming large products. The printing device mainly comprises an injection system, a data conversion and control system, a 3D movement system, a forming system and a microwave heating system. The injection system mainly comprises a glue storing box and a nozzle. The data conversion and control system is mainly composed of a movement control card and a data storage. The 3D movement system is mainly composed of an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction storage cavity movement mechanism and a Z-direction forming cavity movement mechanism. The forming system is mainly composed of a storage cavity, a storage cavity piston, a forming cavity, a forming cavity piston and a paving roller. The microwave heating system is mainly composed of a heating cavity and a temperature controller. The printing process only involves binding of glue and particle materials, microwave heating is adopted for a heating part, the interiors and exteriors of printed products can be heated at the same time, and finally the products with the interiors uniformly filled are formed. The 3D printing device and technique for forming large products are high in forming speed, the technique is simple, limitation of printed materials is small, and the 3D printing device and technique can be used for forming large products.

The invention discloses a casting process for a high-temperature water-pressure-resisting combined flange. The cast high-temperature wear-resisting combined flange mainly comprises a flange body. The flange body is composed of a first flange plate and a second flange plate. The shape and the size of the second flange plate are the same as those of the first flange plate. The first flange plate and the second flange plate are each of a saddle-shaped structure. Threaded holes and through holes are evenly distributed in the first flange plate and distributed at intervals. The two ends of the first flange plate extend outwards to form fixing edges. Fixing holes are formed in the fixing edges. At least two lug plates are arranged on the edge of the outer side of the first flange plate. The first flange plate and the second flange plate are connected together in a fastened manner through bolts after butting the fixing holes in the fixing edges, and the first flange plate and the second flange plate are connected in the fastened manner to form a mounting hole. The casting process is simple and easy to implement. The cast combined flange is simple in structure and has good high-temperature water-pressure-resisting performance, the service life of the flange is prolonged, and cost is lowered.

The invention discloses a tunneling field effect floating gate transistor which comprises a semiconductor substrate in a first doping type, a source electrode in a second doping type, a drain electrode in a second doping type, a channel area, a first layer insulating film, a conductive floating gate area, a p-n junction diode, a thin gate-oxide area, a second layer insulating film and a control grid electrode. The source electrode and the drain electrode are formed on the semiconductor substrate, the channel area is formed in the semiconductor substrate between the source electrode and the drain electrode, the first layer insulating film covering the whole channel area is formed on the semiconductor substrate, the conductive floating gate area serving as a charge storing node is formed on the first layer insulating film, the p-n junction diode is formed between the floating gate area and the channel area, the thin gate-oxide layer is formed between the p-n junction diode and the floating gate area, the second layer insulating film covers the floating gate area, and the control grid electrode is formed on the second layer insulating film. The thin gate-oxide layer is deposited between the floating gate area and the substrate p-n junction diode to form the new float gate transistor, so that silicon oxide with the high forbidden bandwidth is effectively utilized to block electronic escape stored in the floating gate.

The invention discloses a liquid-accommodation diversion type drop pipe comprising a pipe body, overflow weirs, single-stage or multiple-stage liquid accommodating chambers clinging to the tower wall and pipe wall, liquid accommodating plates of the bottom of the pipe body and drop plates. According to the drop pipe, the liquid phase and gas phase flowing and contacting state in a tower is changed, the gas and liquid contacting and separating strength is enhanced, the purposes of improving the tower distillating efficiency and operational flexibility and increasing the tower flux can be achieved, the tower blockage prevention capability is improved, the tower plate pressure drop is reduced, energy consumption and equipment investment are reduced, and the comprehensive performances of the tower are improved.

The invention discloses a ton bag pressing device. A ton bag comprises an inner bag opening and an outer bag opening, the bag pressing device is arranged at a feeding opening of a feeding cavity, theinner bag opening is arranged in the feeding opening, the bag pressing device comprises a bag pressing piece, and the bag pressing piece presses the outer bag opening to the outer wall of the feedingopening. The ton bag pressing device has the advantages of being simple in structure, convenient to operate, capable of tightly pressing the bag and the like. The invention further discloses a feedingstation using the ton bag pressing device. The feeding station has the advantages of being smooth in discharging, practical, efficient, not prone to generating dust and the like.

The invention discloses a porous biosensor and making and application methods. The porous biosensor is characterized by sequentially comprising a substrate, an electrode layer and a polymer film layer. A polymer film in a substrate electrode sensing region is removed, and the exposed substrate electrode region and the edge of the polymer film layer form a well-like structural region array; a zinc oxide coating with a porous structure is filled in each well-like structural region; and bioactive substance molecules with negative electricity are adsorbed in a porous zinc oxide structure under the action of static electricity, and a nano-scale narrow bottleneck structure is adopted between inner holes of each coating with the porous structure.

The invention relates to a preparation device used for oxygen enrichment and magnetization of domestic water and the method, wherein, an air inlet tube and a water inlet valve communicated with a casing are arranged on the upper part of the left side wall of the casing; an air sterilization purifier is arranged in the air inlet tube; an air exhaust tube communicated with the casing is arranged on the upper part of the right side wall of the casing; a water drain valve is arranged on the lower part of the right side wall of the casing; an air exhaust fan is arranged in the air exhaust tube; a speed regulating motor is arranged on the front side wall of the casing; an oxygen collecting magnetizing wheel connected with the speed regulating motor is arranged on the front and the back side wall of the casing, wherein, the upper part of the oxygen collecting magnetizing wheel is positioned in the purified air and the lower part is positioned in the water in the casing. The method for oxygen enrichment and magnetization of domestic water comprises the steps of separation and collection of oxygen from air and oxygen enrichment and magnetization of water. The preparation device has the advantages of rational design, simple structure, low cost of product, high efficiency of oxygen enrichment and convenient use and maintenance. The preparation device is suitable for preparing oxygen enriched and magnetized domestic water.

The invention relates to a multifunctional electrostatic precipitator, which includes an upper end plate, a lower end plate, a left insulating plate and a right insulating plate. High voltage plates, dust collecting plates, and tungsten wires are alternately arranged between the upper end plate and the lower end plate. 2 conductive shrapnels are mounted on the left insulating plate or the right insulating plate, and respectively connected to the high voltage plates and the tungsten wires. A high voltage insulating layer and a dust collecting insulating layer are respectively disposed on the high voltage plates and the dust collecting plates by plastic coating. The alternating space L between the high voltage plates and the dust collecting plates is 2-3mm, the width L1 of the high voltage plates is identical to L2 of the dust collecting plates, i.e. 110.5mm. According to the scheme involved in the invention, the high voltage insulating layer and the dust collecting insulating layer are respectively disposed on the high voltage plates and the dust collecting plates by plastic coating to reduce electric discharge between the high voltage plates and the dust collecting plates and reduce the ozone generation probability, so that the space between the high voltage plates and the dust collecting plates can be reduced, the density of the dust collecting plates can be increased, and the dust holding capacity is also increased. Also, the width of the high voltage plates and the dust collecting plates is increased from the existing 80mm to 110.5mm, so that dust is difficult to escape, and the dust removal effect is improved.

The invention provides an anti-aging nitrile rubber / o-phenylenediamine modified graphene oxide composite material. The composite material comprises the following raw materials in parts by weight: 100parts of raw rubber of nitrile rubber, 0-5 parts of stearic acid, 1-7 parts of zinc oxide, 0.5-5 parts of an accelerator N-tert-butylbenzothiazole-2-sulphenamide (TBBS), 1-5 parts of sulfur, 0-60 parts of carbon black and 0.2-10 parts of o-phenylenediamine modified graphene oxide. According to the invention, the o-phenylenediamine modified graphene oxide is used as an anti-aging agent of nitrile rubber, so that the problem of poor anti-aging performance caused by poor dispersibility of p-phenylenediamine modified graphene oxide in rubber is solved, and meanwhile, the anti-aging agent o-phenylenediamine is chemically grafted to the graphene oxide. Therefore, the anti-aging agent cannot diffuse into the environment, and a green anti-aging effect is well achieved.