43results about How to "Quick leak" patented technology

The invention provides a high-strength flame-retardant anti-static pipeline comprising an inner layer, a combined layer and an outer layer, wherein the inner layer contains the following proportional components: 600 to 800 parts of high-density polyethylene by weight, 5 to 15 parts of glass fibre by weight, 1 to 2 parts of wollastonite by weight, 1 to 6 parts of ethylene-propylene diene copolymer by weight, 4 to 9 parts of butadiene-acrylonitrile rubber by weight, 3 to 6 parts of styrene-butadiene-styrene terpolymer copolymer by weight, 9 to 13 parts of nano carbon tube by weight, 10 to 30 parts of polypropylene grafted maleic anhydride by weight, 15 to 25 parts of flame retardant by weight and 13 to 19 parts of graphitized carbon black by weight; the outer layer contains the following proportional components: 300 to 500 parts of medium-density polyethylene by weight, 12 to 21 parts of flame retardant by weight and 9 to 13 parts of graphitized carbon black by weight; and the main component of the combined layer is hot melting glue. The pipeline provided by the invention has favorable performances of heat insulation and flame retardant; meanwhile, the pipeline also has higher toughness; and furthermore, the erosion resistance, the high-pressure resistance and the rigidity performance are high.

The invention discloses a silage pool capable of preventing bottom silage from mildewing and a construction method of the silage pool. The silage pool comprises a silage pool body and a drain pipe, wherein a sand layer, a plastic film and a hay layer are paved at the bottom of the silage pool body from bottom to top sequentially, a fluid collecting tank is arranged on one side of the bottom of the silage pool body and communicated with the drain pipe, and through holes overspreading the film surface are formed in the plastic film. Silage and a silage fluid are rapidly separated by the hay layer, the plastic film layer and the sand layer, the condition that bottom silage is soaked by the silage fluid in the ensiling process is avoided, mildewing of the silage at the bottom of the silage pool body is effectively prevented, besides, the upper part of the silage pool body is sealed, moreover, the only drain pipe communicated with the outside is also covered with the sand layer, the sand layer can better guarantee sealing of the silage pool body, the sealing effect is good, the structure is simple, long-stem storage of silage is guaranteed, mildewing of the silage is avoided, safety guarantee is provided for food for feeding domestic animals, and the silage pool has the characteristics of low cost and convenience in operation.

The invention discloses a high-voltage switch cabinet capable of preventing water accumulation. The high-voltage switch cabinet comprises an electric cabinet, a protective structure, an adjusting structure and a water accumulation preventing structure, wherein the right end of an opening in the front surface of the electric cabinet is hinged to the right side of the rear surface of the cabinet door through a hinge; the protective structure is arranged in an inner cavity of the electric cabinet, and mounting plates are vertically and uniformly arranged in the inner cavity of the protective structure; the adjusting structure is arranged on the lower surface of the electric cabinet, a trapezoidal table is arranged on the lower surface of the adjusting structure, and a water level sensor is arranged at the left end of the front surface of the adjusting structure; the water accumulation preventing structure is arranged on the lower surface of the trapezoidal table. The high-voltage switch cabinet also comprises a PLC controller. The PLC controller is arranged on the front surface of the cabinet door, and the input end of the PLC controller is electrically connected with an external power source. According to the high-voltage switch cabinet capable of preventing water accumulation, the safety coefficient of the electric cabinet in the using process is improved, the requirement for multi-layer protection is met, the water accumulation prevention effect is achieved, and the water accumulation condition is avoided through the design of various kinds of water drainage and leakage.

The invention discloses a powder screening device for magnet processing. The device comprises a base, wherein a bottom plate is supported in the base through first springs, a vibration motor is mounted in the middle of the lower end of the bottom plate, a screening base is arranged at the upper end of the bottom plate through supporting seats on the two sides, a screen is arranged at the bottom ofthe screening base, and a material distributing disc extending into the screening base is connected between supporting columns; and the bottom of a mounting base is movably connected with a driving rotating shaft driven by a servo motor through a connecting mechanism, the bottom of the driving rotating shaft is connected with a brush disc extending into the material distributing disc, the right side of the mounting base is further connected with a feeding box, and a crushing mechanism driven by the servo motor is further arranged in the feeding box. According to the screening device, under the rotating condition of the brush disc, neodymium iron boron powder is tiled, and the screening speed of the neodymium iron boron powder through material leaking holes is improved; and the screening efficiency of the neodymium iron boron powder is improved by two times of screening.

The invention provides a shockproof vehicle-mounted WiFi device which comprises a sliding rail, a sliding block and a WiFi emitter, the outer wall of the WiFi emitter is fixedly sleeved with an elastic air bag, the elastic air bag is arranged in an annular sealing mode, a supporting plate is fixedly installed on the right side face of the sliding rail, a rubber air bag is fixedly installed on thesupporting plate, and an elastic pipe is fixedly communicated between the elastic air bag and the rubber air bag. The shockproof vehicle-mounted WiFi device has the advantages that when a sliding block rapidly moves due to violent jolt, gas in the rubber air bag can be rapidly extruded into the elastic air bag and expands to protect the sliding block, the elastic air bag is arranged in an annularsealing mode and is not provided with fine air holes, and it is determined that rapid gas leakage does not occur when violent jolt occurs; meanwhile, a toothed plate II moves to drive a correspondingpiston rod to move, and air suction and exhaust operations in a piston cylinder can be realized by utilizing the reciprocating motion of the piston rod, so that the air flow in the vehicle can be obviously promoted.

The invention discloses a red mud solid waste comprehensive treatment reduction duplex furnace. The reduction duplex furnace comprises a rotary kiln and a melting furnace; and the rotary kiln and themelting furnace mutually communicate to form the reduction duplex furnace. The invention further discloses a process of the red mud solid waste comprehensive treatment reduction duplex furnace; and the process comprises the steps of: (1) preparation of red mud composite materials; (2) drying of the red mud composite materials; (3) calcining of the red mud composite materials; (4) crushing and mixing; (5) pellet pressing; (6) vacuum heat reduction; (7) smelting by the melting furnace; (8) preparation of raw materials; and (9) furnace slag treatment. The rotary kiln integrates drying, calcining,crushing, mixing and pellet pressing, improves the reliability of red mud comprehensive treatment, and reduces the transfer times and corresponding treatment cost; and a drying plate is reasonable instructural design and convenient for quick drying and leakage, and only needs drying by 10-20 minutes to greatly improve the drying efficiency.

The invention relates to grinding and polishing equipment, particularly relates to ramie abrasive base cloth for grinding and polishing various types of electronic devices, and provides the ramie abrasive base cloth to overcome the technical defects that fabric fibers in the prior art are high in elongation and tend to elongate continuously when tensioned in grinding, the fabric fibers are low in strength and non-abrasion-resistant, the fabric fibers low in friction coefficient tend to emit light from the surfaces after used for a period of time, the friction coefficient is lowered so that the fabric fibers are unavailable, the service life of the fabric fibers is short, two types of insulators tend to generate static electricity in abrading, and the like. The ramie abrasive base cloth comprises, in mass percentage, 80-99% of ramie fibers, and 1-20% of conductive fibers. The ramie abrasive base cloth is simple in structure, high in friction coefficient, less apt to rupture and deform, less apt to generate static electricity, high in durability, stable in physical and chemical properties, and capable of meeting industrial production requirements.

The invention relates to an offshore oil recycling device and a use method thereof. The offshore oil recycling device comprises a hull, an oil storage bin and an oil collecting body, wherein the oil storage bin is arranged in the back end of the interior of the hull, and the oil collecting body is arranged outside the hull; the oil collecting body is formed in a way that a plurality of oil inlet tanks are connected in parallel; the inner bottom of each oil inlet tank communicates with one end of a branch oil conveying pipe, the other end of the branch oil conveying pipe communicates with one end of a main oil conveying pipe, and the other end of the main oil conveying pipe communicates with the oil storage bin; a pump body and a valve are arranged on each branch oil conveying pipe; oil-permeable waterproof hydrophobic oleophilic metal nets are respectively arranged on the wall surfaces of the oil inlet tanks; and the mesh of the metal nets is 50 to 800. According to the offshore oil recycling device and the use method thereof, a large amount of oil which leaks on the sea can be effectively recycled, the recovery and reuse of the leaking oil are realized, and additionally, the offshore oil recycling device has the advantages of simple structure and convenience in disassembly and assembly and can achieve quick strain within a short time.

The invention relates to the field of tire manufacturing, in particular to a sealant for a self-repairing tire, a preparation method of the sealant, and the self-repairing tire. The sealant is prepared from the following components in percentage by mass: 80 to 100 parts of butyl rubber; 0 to 20 parts of conjugated diene rubber; 5 to 70 parts of a reinforcing filler, which comprises 5 to 60 parts of carbon black and 0 to 30 parts of an inorganic filler; 50 to 500 parts of a liquid olefin compound; 0 to 50 parts of resin; and 2 to 20 parts of a vulcanizing agent. The mixture for the self-sealing tire has the effects that after the tire is punctured by a sharp object, the surface of the punctured object is coated with the mixture, and air in the tire is prevented from leaking quickly; when the tire is punctured by a sharp object or the sharp object is pulled out, the self-sealing mixture is used for repairing and sealing a hole formed in the tire by the sharp object, so gas in the tire is prevented from quickly leaking; and the self-sealing mixture allows the tire to be further used without repairing.

The invention provides a construction method for a high viscosity modified asphalt pavement. The construction method comprises the following steps of S1, preparing construction equipment; S2, designing a mix proportion of high viscosity modified asphalt and a mix proportion of a high viscosity modified asphalt mixture and carrying out waterproof bonding layer treatment on the pavement; S3, stirring the high viscosity modified asphalt mixture and directly putting the viscosity modified asphalt into an asphalt mixture mixer to be mixed by using a putting device; S4, transporting the high viscosity modified asphalt mixture to a construction site; S5, carrying out preparation work before paving the high viscosity modified asphalt mixture; S6, selecting and adjusting using parameters of a paver; S7, carrying out paving operation; S8, grinding and forming the high viscosity modified asphalt mixture; and S9, carrying out joint treatment. The high viscosity modified asphalt can be directly putin the asphalt mixture mixer to be dry-mixed with an aggregate without being sheared and modified at a high temperature. An application process is simple and easy to operate, and health of productionstaff is further facilitated and adverse effects to the ecological environment are reduced.

The invention discloses a diamond saw blade for rock plate cutting and a manufacturing method thereof.The saw blade is composed of a tool bit and a base body, and the tool bit is prepared from, by weight, 20-40 parts of copper powder, 10-25 parts of tin powder, 10-30 parts of iron powder, 5-20 parts of superfine cobalt powder, 5-15 parts of nickel powder, 10-15 parts of zinc powder and 1-3 parts of graphite; wherein the volume fraction of the diamond is 10-30%, the particle size of the diamond is 120-180 microns, and the specific manufacturing method comprises the steps of burdening, mixing, cold press molding, hot press molding and subsequent treatment. Compared with similar products, the diamond saw blade for cutting the rock plate has the advantages that the sharpness is improved by 1-2 times, the service life is prolonged by 2-3 times, the cost is reduced by 20-40%, cut edges are neat, edge breakage and trailing are avoided, and the diamond saw blade has an advanced level in domestic products.

The invention discloses a negative-pressure-free water supply device. The device comprises a bottom plate, a base is detachably connected to the upper end of the bottom plate, a machine body is mounted on the upper end of the base, the upper end of the bottom plate is detachably connected with a protection cover, the machine body and the base are located in the protection cover, an adjusting mechanism is mounted on the top in the protection cover, two sliding plates are arranged on the adjusting mechanism, first openings are formed in the two sides of the protection cover, pushing mechanisms are arranged on the sliding plates, the two sliding plates correspond to the two first openings, a worker can conveniently carry out overhauling and maintaining on the machine body, the service life can be prolonged, when the device is not used, the machine body can be thoroughly isolated from the exterior, foreign matter can be prevented from entering in the machine body during storage, transportand mounting, water pollution is avoided, the water supply quality is ensured, health of a drinker can be facilitated, meanwhile, adjusting is facilitated, rapid connection with an external water pipecan be facilitated, and work efficiency is improved.