247 results about "Fluoroplast" patented technology

The invention discloses a high-strength cable for an industrial robot and a preparation process of the high-strength cable. The preparation process comprises the following steps: selecting a high-strength conductor material, performing multi-pass wire drawing processing on the conductor material, and twisting a plurality of fine copper wires according to a preset pitch and direction to form a conductor core; fluoroplastic is selected as a first layer of insulating material to coat the conductor core to form a first insulating layer, and modified thermoplastic elastomer particles coat the first insulating layer to form a second insulating layer; wrapping a wrapping material outside the second insulating layer by using a wrapping machine to form a wrapping layer; a sheath material extruder is provided to wrap the wrapping layer to form an outer sheath, and then cutting is carried out to obtain the high-strength cable. According to the process, material selection and structural design are innovatively combined, the double-layer insulation structure provides excellent high-temperature resistance and electrical insulation performance, friction between the inner layer and the outer sheath is effectively reduced due to application of the wrapping layer, the service life of the cable is prolonged, and therefore the high-strength cable is prepared.

The invention relates to the technical field of wire and cable manufacturing, in particular to a fiber-reinforced fluoroplastic fire-fighting wire and cable and a preparation method thereof. The fiber-reinforced fluoroplastic fire-fighting wire and cable sequentially comprises a cable core, a shielding layer and an outer sheath layer from inside to outside, the outer sheath layer is prepared from the following raw materials in parts by weight: 40 to 45 parts of polytetrafluoroethylene, 35 to 40 parts of ethylene-vinyl acetate copolymer, 12 to 14 parts of composite flame retardant, 12 to 15 parts of modified zirconium oxide fiber, 25 to 30 parts of modified heat-conducting filler, 1.2 to 1.5 parts of coupling agent, 1 to 1.5 parts of antioxidant, 1 to 1.5 parts of lubricant and 2 to 2.5 parts of flexibilizer. The outer sheath layer of the fiber-reinforced fluoroplastic fire-fighting wire and cable prepared by the invention has excellent mechanical strength, toughness, heat-conducting property, high temperature resistance and flame retardant property, is suitable for fire-fighting power supply occasions, and is beneficial to rescue work of firefighters in emergency.

The invention discloses a corrosion-resistant insulating aerial cable which sequentially comprises a conductor layer, an insulating layer, a shielding layer, a corrosion-resistant layer and an outer sheath from inside to outside. The conductor layer is an aluminum alloy stranded wire of which the surface is coated with an anti-oxidation coating; the insulating layer is made of crosslinked polyethylene doped with 3-5% of nano silicon dioxide; the corrosion-resistant layer is a fluoroplastic or polyurethane coating; and the outer sheath is polyvinyl chloride added with an antioxidant and an ultraviolet light absorber. The fluoroplastic coating is formed through electrostatic spraying, and the surface of the copper wire shielding layer is subjected to phosphating pretreatment; the doped nano material enhances the mechanical strength and ultraviolet resistance of the insulating layer; the spiral groove design accelerates drainage and reduces accumulated water corrosion.

The air inlet and return pipe comprises an air inlet and return pipe body and end nuts connected to the two ends of the air inlet and return pipe body, the air inlet and return pipe body is of a bilateral symmetry structure, and internal threads are arranged on the inner circumferential surfaces of the end nuts connected to the two ends; the air inlet and return pipe body is of a double-layer structure, the outer layer is a woven mesh made of stainless steel, and the inner layer is a fluoroplastic hose. End supports are respectively arranged at the joints of the two ends of the air inlet and return pipe main body and the end nuts, and are used for connecting the air inlet and return pipe main body and the end nuts; the length of the end portions of the two sides of the fluoroplastic hose is slightly larger than that of the woven mesh, and a turnup structure is formed at the end supporting position so that a sealing structure can be formed when the end nut is in threaded connection with other parts, the flexibility of the air inlet and return pipe of the pulse tube refrigerator is guaranteed, vibration can be greatly reduced, meanwhile, gas flow resistance is reduced, and working efficiency and refrigerating capacity are improved.

The invention relates to a calender roll partition electromagnetic temperature control and infrared thermal imaging feedback system, which belongs to the field of fluoroplastic calendering thickness control equipment and comprises a data preprocessing module, a roll surface temperature zone digital twinborn analysis module, a time sequence temperature and thickness correlation module and a fusion regulation and power correction module. The data preprocessing module establishes a film surface gray scale-temperature mapping relation and outputs effective temperature data; the roller surface temperature zone digital twinborn analysis module constructs a roller surface-film surface coupling thermal field digital twinborn model to generate a temperature thermodynamic diagram, and outputs a temperature deviation value and thermal crosstalk early warning information of an independent temperature zone in combination with a temperature zone thermal crosstalk model; the time sequence temperature and thickness correlation module establishes a temperature deviation-thickness fluctuation basic correlation model and outputs thickness data; the fusion regulation and power correction module corrects the independent temperature zone coil power regulation quantity and outputs a power regulation instruction based on a multi-parameter dynamic weight distribution mechanism; the system solves the problem that traditional temperature control precision is low, and the temperature control precision and product quality of the fluorine plastic film are improved.

The invention provides a photovoltaic module front plate and a preparation method and application thereof. The photovoltaic module front plate comprises a fluoroplastic film, a glass fiber adhesive film composite layer and a barrier layer which are sequentially stacked, the glass fiber adhesive film composite layer comprises a first cut-off adhesive film, a glass fiber layer and a second cut-off adhesive film which are sequentially stacked; the fluorine plastic film is attached to the surface, away from the glass fiber layer, of the first cut-off adhesive film. By designing the structure of the photovoltaic module front plate and each layer of material, not only is the hardness of the photovoltaic module front plate improved, but also the water vapor transmittance and the potential induced degradation in the photovoltaic module are effectively reduced, so that the internal structure of the photovoltaic module is protected, and the service life of the photovoltaic module is prolonged; in addition, the photovoltaic module front plate provided by the invention has the characteristic of light weight, so that the weight of the photovoltaic module can be reduced, and the photovoltaic module is convenient to install and transport.

The invention relates to the technical field of electric wires and cables, and discloses a fluoroplastic insulating high-temperature-resistant fireproof cable and a preparation method thereof.The cable comprises a conductor layer, the conductor layer is formed by twisting multiple strands of copper wires, the periphery of the conductor layer is coated with a fluoroplastic insulating layer, the periphery of the fluoroplastic insulating layer is coated with a shielding layer, and the shielding layer is arranged on the periphery of the conductor layer. The shielding layer is of a copper strip braided structure, the periphery of the shielding layer is coated with an armor layer, the armor layer is braided by stainless steel wires, the periphery of the armor layer is coated with a sheath layer, and the sheath layer comprises the following components in parts by mass: 50-70 parts of functionalized ethylene-tetrafluoroethylene copolymer. According to the invention, an interpenetrating polymer network formed by in-situ crosslinking of the functionalized fluoropolymer and the organosilicon elastomer is constructed in the sheath layer, and an energy field gradient response vulcanization process is adopted, so that the prepared cable sheath maintains the inherent high temperature resistance of fluoroplastic, and the flexibility and mechanical strength of the material are improved at the same time.

The invention relates to the technical field of cables, and provides a fluoroplastic cable which sequentially comprises a cable core, an insulating layer and a protective layer from inside to outside, and the protective layer comprises the following raw materials in parts by weight: 100 parts of polytetrafluoroethylene, 15-20 parts of an ethylene-tetrafluoroethylene copolymer, 8-12 parts of a compatilizer, 15-20 parts of a wear-resistant filler, 1-3 parts of a lubricant, 1-4 parts of a dispersant and 2-3 parts of an antioxidant; the compatilizer is prepared from a styrene-maleic anhydride copolymer and an epoxy group-containing compound. According to the technical scheme, the problems of poor mechanical strength and wear resistance of the fluoroplastic cable in the prior art are solved.

The utility model discloses a fluoroplastic insulating high-temperature-resistant fireproof cable, which comprises a cable core, the cable core comprises eight wire cores which are annularly distributed at equal intervals, each wire core is composed of an inner sheath and a conductor, a composite insulating outer layer is wrapped outside the cable core, the composite insulating outer layer is composed of a contact layer, a buffer layer and a reinforcing layer, and the contact layer is wrapped outside the buffer layer. A composite high-temperature-resistant layer is arranged outside the composite insulating outer layer, the composite high-temperature-resistant layer is composed of a high-temperature-resistant base material, a heat reflecting layer and a heat-resistant protective layer, and the composite high-temperature-resistant layer is wrapped with an outer sheath. The problems of cable stability, flame-retardant and fireproof performance, electrical performance, chemical corrosion resistance and large-current transmission capability in a high-temperature environment are solved.

The invention relates to a photoelectric composite cable suitable for an unmanned aerial vehicle platform, which comprises a wrapping layer formed by wrapping a covering film, an accommodating space is formed in the wrapping layer, a two-core electric unit and a one-core single-mode optical fiber are respectively placed in the accommodating space, and a plurality of aramid fibers are distributed in the accommodating space and are filled to form a cable; an insulating layer is distributed on the electric unit, an outer wrapping layer is distributed on the single-mode optical fiber, and the insulating layer, the outer wrapping layer and the covering film are all made of high-temperature-resistant fluoroplastic formed by ethylene-tetrafluoroethylene copolymer; the thickness of the covering film is 0.05 mm, and the total thickness after wrapping is 0.10 mm + / -0.02 mm; the outer diameter of the photoelectric composite cable is 2.2 mm + / -0.1 mm, and the total weight per meter is smaller than or equal to 12 g. Therefore, the whole photoelectric composite cable has better high temperature resistance, can meet high tensile strength under the condition of light weight, can realize low-loss signal transmission, and has better heat dissipation effect.

The utility model relates to a high temperature and high pressure resistant submersible cable. According to the technical scheme, a sintered polyimide film inner insulating layer is wrapped outside a copper conductor, a modified high-temperature-resistant fluoroplastic outer insulating layer is extruded outside the polyimide film inner insulating layer, an inorganic heat-insulating cushion layer is wrapped outside the modified high-temperature-resistant fluoroplastic outer insulating layer, a nickel-based alloy steel pipe packaging sheath layer is wrapped outside the inorganic heat-insulating layer, and the nickel-based alloy steel pipe packaging sheath layer is wrapped outside the nickel-based alloy steel pipe packaging sheath layer. And the nickel-based alloy steel strip armoring layer is armoured outside the nickel-based alloy steel pipe packaging sheath layer. The beneficial effects of the utility model are that the cable employs modified ECA fluoroplastic resin and can continuously work at a static high temperature of 350 DEG C, the monel nickel-based alloy steel belt is employed to perform Z-shaped corrugated profiling and wrapping and armoring in an interlocking manner, the formed nickel-based alloy steel belt armoring layer can resist high pressure of more than 40 Mpa, and the cable can be used as a high-voltage cable. The electric energy supply of the submersible unit in the high-temperature, high-pressure and high-corrosion underground environment is fully guaranteed, and the oil extraction efficiency is greatly improved.

The invention relates to the technical field of industrial production, and discloses an anti-aging corrosion-resistant photovoltaic cable, which comprises an insulating layer, uniformly distributed conductors are arranged on the inner diameter of the insulating layer, an insulating layer is arranged on the outer diameter of the insulating layer, a protective layer is arranged on the outer diameter of the insulating layer, and a sheath layer is arranged on the outer diameter of the protective layer. Reinforcing layers which are uniformly distributed are arranged between the sheath layer and the protective layer, the reinforcing layers are uniformly arranged and spirally wound on the surface of the protective layer, the insulating layer is made of a modified polyolefin material, and the protective layer is formed by blending fluoroplastic and an anti-aging additive. By adopting a multi-layer structure, the antioxidant can capture free radicals generated by thermo-oxidative aging, the 2-hydroxy-4-n-octyloxybenzophenone can absorb ultraviolet rays to reduce photo-oxidative damage, the protective layer contains a hindered amine light stabilizer and can circularly capture the free radicals and regenerate antioxidant groups, and the sheath layer contains polytetrafluoroethylene micro powder and prevents corrosion medium permeation. And the comprehensive effects of aging resistance and corrosion resistance are achieved.

The utility model discloses a deep recovery device for waste heat of medium and low temperature flue gas, which relates to the technical field of flue gas waste heat recovery, and comprises a first heat exchange component, a second heat exchange component, a third heat exchange component, a fourth heat exchange component and a fourth heat exchange component, the partition plate divides the interior of the first shell into a smoke cavity and a water cavity which are independent. A second heat exchange assembly; the shell at least comprises a second shell; the first heat exchange assembly and the second heat exchange assembly are used in cooperation, flue gas is subjected to two-stage heat exchange, high-temperature flue gas is subjected to first-stage heat exchange through the stainless steel heat exchange piece, heat is transmitted into the water cavity, heat energy recovery is achieved, low-temperature flue gas is subjected to second-stage heat exchange through the fluoroplastic thin pipe heat exchange piece, and heat energy recovery is achieved. And the low-temperature flue gas after one-time heat exchange can be conveniently reused, the heat exchange efficiency is further improved, and the flue gas waste heat utilization rate can be effectively increased through the arrangement.

The invention relates to the technical field of cable manufacturing, in particular to a lightweight radio frequency microwave cable and a manufacturing method thereof, and the method comprises the steps: obtaining a silver-plated copper conductor; extruding the PTFE microporous medium through a pushing machine, and coating the silver-plated copper conductor with the PTFE microporous medium through a stretching machine to form a medium layer; a silver-plated flat copper strip is spirally wound on a PTFE microporous medium to form an outer conductor, and whether the spiral winding process of the silver-plated flat copper strip is qualified or not is determined based on a deviation characterization parameter of the silver-plated flat copper strip relative to the axis of the PTFE microporous medium. Determining to increase the extrusion temperature or extrusion pressure of the extruder according to the relative difference between the deviation characterization parameter and the deviation characterization parameter threshold value; 1 / 2 of a polyimide aluminum foil is wound on the outer conductor to form an electromagnetic shielding layer, a silver-plated copper wire is woven outside the electromagnetic shielding layer to form a woven shielding layer, and a fluoroplastic sheath is extruded outside the woven shielding layer to form a sheath, so that the manufacturing efficiency of the radio frequency microwave cable dielectric layer is improved.

The utility model belongs to the technical field of detection equipment, and discloses a fluoroplastic heat exchanger leakage detection device, which comprises a heat exchanger pipeline, a detection pipeline is arranged at a pipe orifice of the heat exchanger pipeline, a pressure gauge is fixedly connected onto the detection pipeline, and a connecting assembly is further arranged on the detection pipeline. The connecting assembly comprises a support fixedly connected to the detection pipeline, a lead screw is rotationally connected to the support, a circular ring is connected to the outer portion of the lead screw in a threaded mode, a clamping block is movably connected to the support, a connecting rod is horizontally and fixedly connected between the clamping block and the circular ring, and the clamping block is fixedly connected with a fixed arc ring. A movable arc ring is hinged to one side of the lower clamping block through a hinge piece. According to the utility model, the problem that the maintenance time is increased because the heat exchange tube is inconvenient to connect and seal is effectively avoided.

The utility model relates to a fluoroplastic evaporator, and relates to the field of industrial wastewater zero discharge technology, the fluoroplastic evaporator comprises a placing assembly and an evaporator assembly, the placing assembly comprises a cylinder and two tube plates, and the side wall of the cylinder is provided with an air inlet for steam to enter, a discharge port for steam condensate water to be discharged and other tube ports; the two tube plates and the barrel are coaxially arranged, and a plurality of connecting holes are formed in the tube plates; the evaporator assembly comprises a plurality of tube nests, the tube nests are located between the two tube plates, the two ends of the tube nests penetrate through the connecting holes respectively, and the tube nests are fluoroplastic pipelines, on the premise that the manufacturing cost is not increased and the evaporation efficiency is not reduced, strong acid corrosion resistance and non-stick performance are achieved, the tube nests are not prone to scaling, or organic matter solids or crystal salt are not prone to being attached to the tube nests, and the service life of the tube nests is prolonged. The effects of no production halt maintenance, evaporation efficiency improvement and the like are achieved. Therefore, the device has the economic values of scaling resistance, adhesion resistance, corrosion resistance, production-stop-free maintenance, improvement or enhancement of the evaporation efficiency and prolonging of the service life of equipment through the tube nest.

The utility model relates to the technical field of cables, and discloses a high-strength copper-core silver-plated special high-temperature cable, which comprises a conductor and further comprises a conductor shielding layer arranged on the outer side of the conductor, an insulating layer arranged on the outer side of the conductor shielding layer, and an insulating shielding layer arranged on the outer side of the insulating layer. The inner protection layer is arranged on the outer side of the insulation shielding layer, and an outer protection layer is arranged on the outer side of the inner protection layer; according to the utility model, fluoroplastic (such as PTFE and FEP) is used as the insulating layer, the long-term tolerable temperature can reach more than 200 DEG C, the chemical corrosion resistance is strong, the high-temperature resistance of the cable is improved, the high-temperature-resistant metal braid layer (such as tinned copper) is used as the outer layer to reinforce mechanical protection, the flexible silica gel is used as the inner layer to improve the bending resistance, and the service life of the cable is prolonged. Corrugated grooves are designed in the inner wall of the protective sleeve, so that the heat dissipation area can be increased; the heat conduction filling material boron nitride filling material is embedded in the protection sleeve so that internal heat conduction efficiency can be enhanced and heat radiation efficiency in the cable can be enhanced.

The utility model relates to the related technical field of brakes, in particular to a fireproof annular flexible hanging belt which comprises a hanging belt body, hanging rings and rubber blocks, the hanging rings are sewn on the surfaces of the two sides of the hanging belt body, the rubber blocks are attached to the surfaces of the outer sides of the hanging belt body, and a fireproof mechanism is arranged on the surface of the inner side of the hanging belt body. And a convenient-to-repair mechanism is arranged on the upper surface of the base. According to the fireproof annular flexible sling, the aramid fiber has excellent high-temperature resistance and flame retardance, can maintain good strength and stability in a high-temperature environment and can give consideration to fire prevention, and the polyurethane coating has excellent waterproof, moisture-proof and wear-resisting properties and certain flexibility; the coating is applied to the surface of a sling in a proper mode to provide continuous damp-proof protection, the PTFE coating is resistant to high temperature, waterproof and damp-proof and can keep stable in an extreme environment, and the fluoroplastic coating has excellent waterproof, damp-proof and chemical corrosion resistant performance and also has the low friction coefficient and the self-cleaning characteristic.

The invention relates to the technical field of machining processes, in particular to a machining method for a high-precision large-diameter fluoroplastic sealing thin-wall workpiece, which aims at machining the fluoroplastic sealing thin-wall workpiece with the diameter of more than phi 200mm and the wall thickness of 0.2-0.7 mm, and comprises the following steps of: 1, blanking to form a fluoroplastic tubular blank; 2, a special tool is customized; 3, the fluoroplastic tubular blank is fixed to a spindle of a numerical control lathe; 4, a numerical control turning tool is configured, and a numerical control turning program is compiled; 5, an inner hole or an outer circle of the fluoroplastic sealing thin-wall workpiece, a matched molded surface and a sealing surface of the fluoroplastic sealing thin-wall workpiece and the O-shaped rubber ring are machined, and finish turning allowance is reserved according to the double wall thickness priority principle; 6, finish turning is conducted on the inner hole or the outer circle in the fluoroplastic sealing thin-wall workpiece and the matched profile of the O-shaped rubber ring; 7, the sealing face of the fluoroplastic sealing thin-wall workpiece is subjected to finish turning, and the wall thickness is guaranteed; and 8, the workpiece is cut off through a cut-off tool by means of a surface constant-speed and small-feed-rate turning method.

The utility model relates to a head nut technical field, especially a four fluorine outer clothing head nut for fixing fluorine plastic board, including nut body, still including sealing along and installation component, nut body lower extreme fixedly connected with sealing along, nut body outer surface is equipped with a layer of polytetrafluoroethylene outer clothing, and nut body upper end is provided with installation component, the utility model discloses through sandblasting treatment surface, and polytetrafluoroethylene powder is evenly sprayed on the nut body surface, and the dense outer clothing layer is formed through high -temperature sintering, through the high chemical stability and high temperature resistance of polytetrafluoroethylene outer clothing, make the nut service life extension, through filling high -temperature sealant and three millimeter thick soft four fluorine round pad or three millimeter thick high -temperature fluorine rubber pad in the sealing groove, further promote the sealing performance, solved because PTFE board itself welding fusibility just has no PFA effect good, and the welding firm degree is lower, and fluorine plastic cap is easy to crack under the flue harsh environment, causes the corrosion of bolt, leads to the problem of poor sealing.

The utility model belongs to the field of aviation product assembly quality improvement, and relates to a device for assembling a small fluoroplastic sealing ring. Comprising an ejector rod (1), a shaping rod (2), a guide sleeve (3), a shaping block (4) and a valve block (6), a first connecting hole with the diameter being D and a second connecting hole with the diameter being C are formed in the two ends of the shaping block (4), and the guide sleeve (3) is connected with one end of the shaping block (4) through the first connecting hole; the valve block (6) is connected with the other end of the shaping block (4) through the second connecting hole; the shaping block (4) is provided with a variable-diameter hole which is changed from the diameter A of one end to the diameter B of the other end, and the upper end face of the shaping block (4) is provided with a groove used for containing the shaping rod (2); the through hole with the diameter A, the through hole with the diameter B, the through hole of the guide sleeve (3) and the through hole of the valve block (6) are coaxial; the outer diameter of the acting part of the ejector rod (1) is the diameter B. The diameter A is equal to the outer diameter of the fluoroplastic sealing ring (5), and the diameter B is the hole diameter of a mounting hole of the valve block (6).

The utility model discloses a flame-retardant fire-resistant fire-fighting electric wire, which belongs to the technical field of fire-fighting electric wires and comprises a wire core, an insulating layer, a sheath layer, a shielding layer and an outer protective layer, the insulating layer, the sheath layer, the shielding layer and the outer protective layer are wrapped on the wire core from inside to outside, and a hollow composite protective layer is arranged between the sheath layer and the shielding layer. The outer wall of the outer protection layer is sleeved with isolation rings at equal intervals so that the outer protection layer can be lifted away from the ground surface when the electric wire is placed on the ground, the composite protection layer is composed of a corrosion-resistant layer, a hollow layer and a flame-retardant layer, the corrosion-resistant layer and the flame-retardant layer are arranged on the inner side and the outer side of the hollow layer respectively, the hollow layer is made of a waterproof material, the corrosion-resistant layer is made of fluoroplastic, and the flame-retardant layer is made of a flame-retardant material. The flame-retardant layer is made of a mica tape, and the isolating ring comprises a fixed base arranged on the outer wall of the outer protective layer and an inner inflation ring connected with the fixed base; the flame-retardant fireproof fire-fighting wire is novel in structure, corrosion-resistant, good in flame-retardant effect, high in protection capability and long in service life.

Support membranes for filters are described that include a support sheet formed of a polymeric material and a continuous base section having opposed outer surfaces and spaced-apart ribs extending outwardly from at least one of the opposed outer surfaces. The spaced-apart ribs define continuous flow channels bound by the adjacent spaced-apart ribs. The ratio of the height of the ribs to the height of the continuous base ranges from about 2:1 to about 5:1. This relatively high aspect ratio of the ribs and the base layer increases the performance of the filter and reduces the cross-flow pressure drop of fluids filtered through the membrane.

The application relates to the technical field of electric wire and cable, and discloses a fluoroplastic insulation high-temperature-resistant fireproof cable and a preparation method, the cable comprises a conductor layer, the conductor layer is twisted by multiple copper wires, the conductor layer is coated with a fluoroplastic insulation layer, the fluoroplastic insulation layer is coated with a shielding layer, the shielding layer is a copper-belt woven structure, the shielding layer is coated with an armor layer, the armor layer is woven by stainless steel wires, the armor layer is coated with a sheath layer, and the sheath layer comprises the following components in mass fractions: functionalized ethylene-tetrafluoroethylene copolymer, 50-70 parts by mass. The application constructs an interpenetrating polymer network formed by in-situ crosslinking of a functionalized fluoropolymer and an organic silicon elastomer in the sheath layer, and adopts an energy field gradient response vulcanization process, so that the prepared cable sheath keeps the inherent high-temperature resistance of fluoroplastic, and the flexibility and mechanical strength of the material are improved.

The invention relates to the technical field of preparation of fluoroplastic foaming materials, and discloses a preparation device of a foaming FEP material, which comprises an equipment shell, and an FEP preparation operation assembly, a waste gas treatment assembly, a waste liquid treatment assembly, a water quality purification assembly and a rotary drying assembly which are arranged in the equipment shell or on the side surface of the equipment shell. According to the device, cooling water is subjected to ion exchange treatment through the water quality purification assembly, a product is subjected to three-dimensional dead-corner-free drying through the rotary drying assembly, and water marks and hard spots are effectively prevented from being generated on the surface of a material; meanwhile, through cooperative work of the integrated waste gas treatment assembly and the waste liquid treatment assembly, harmless treatment is conducted on the production waste gas, the treated waste liquid is purified and then recycled, and closed-loop utilization of resources is achieved. The device highly integrates a plurality of functional modules, is compact in structure and high in automation degree, and solves the problems of poor product surface quality and low environment-friendly treatment efficiency in the prior art.

The invention discloses a membrane separation method of a rubber laminated rubber plug, and solves the problems that the recovery efficiency of leftover materials and wastes of the rubber laminated rubber plug is low, the pollution is serious and a regenerated material cannot meet the cleaning standard in the traditional process. According to the method, separation is realized through chemical and physical synergistic effects: a natural or organic release agent and a cleaned laminated rubber plug are mixed and infiltrated in a chemical path, and a matrix and a laminated film are separated after the binding power is weakened through swelling; according to the physical path, supercritical fluid is utilized to swell the film-covered rubber plug under specific conditions, and the base body and the covering film are directly stripped. The method is suitable for density-matched single-layer film-coated rubber plugs, and film-coated materials comprise polyester, fluoroplastic and the like. The release agent and the fluid can be recycled, so that no pollution risk is caused. The separated material is stable in performance and meets the regeneration requirement. The method breaks through the limitation of high energy consumption and high pollution in the traditional technology, has the advantages of environmental protection, low energy consumption and industrial adaptation, and provides an innovative scheme for recycling leftover materials and wastes of the rubber laminated rubber plug.

The utility model provides a low-temperature-resistant winding dragging cable, which relates to the technical field of wires and cables and comprises an outer insulating sleeve, conductors distributed in an annular array are arranged inside the outer insulating sleeve, an inner insulating layer is fixedly sleeved outside the conductors, and a moisture-proof layer is fixedly sleeved inside the outer insulating sleeve. By adopting the combination of various adaptive materials such as the outer insulating sleeve made of fluoroplastic and the inner insulating layer made of silicon rubber, the cable can work normally in an extremely low-temperature environment of lower than-40 DEG C, maintains stable electrical insulation and protection performance and the like, and can be used for protecting the cable under the action of external force such as frequent dragging and bending and the like. By means of good flexibility guaranteed by the oxygen-free copper multi-strand stranded conductor, stability of reasonable structure matching of all layers and external protection provided by the thickened sheath, the problems of internal structure damage, conductor breakage and the like can be avoided, it is ensured that the overall performance of the cable is reliable, and the cable can better adapt to low-temperature complex application scenes needing winding and dragging.

The utility model discloses a high-strength symmetrical differential signal cable, which aims to solve the technical problems that the cable has the capabilities of high-strength tensile strength and short-time flame jet resistance while meeting the signal transmission function, and the conductors are high-strength silver-plated copper alloy conductors, so that the breaking strength of the conductors is improved while the conduction of electric signals is ensured, and the service life of the conductors is prolonged. The insulating layer is formed by coating a fluoroplastic material, differential signal transmission is realized by virtue of the advantage of low dielectric strength of the material, the filling core is formed by stranding a PBO fiber material, the anti-fracture capability of the product can be greatly improved, the shielding layer is formed by weaving the PBO fiber material with high silver layer content at high density, so that the fiber layer has a conductive function, and the service life of the product is prolonged. The anti-breaking capacity of the product is further enhanced, the electromagnetic shielding function is achieved, the shielding requirement of differential signal transmission can be met in a certain length, and meanwhile the electromagnetic compatibility protection capacity is achieved.

The utility model provides a super flexible shielding cable, the cable core comprises a central cable core, a first cable core and a second cable core, the first cable core and the second cable core are sequentially arranged outside the central cable core from inside to outside, the first cable core comprises a control signal line unit and a high frequency communication signal line unit, and the control signal line unit and the high frequency communication signal line unit are alternately arranged. The second cable core comprises a plurality of control signal lines, the control signal line unit, the high-frequency communication signal line unit and the control signal lines respectively comprise a tightly-pressed tinned copper wire conductor and a fluoroplastic copolymer insulating layer arranged on the outer side of the tightly-pressed tinned copper wire conductor, and a first tinned copper wire braid layer is arranged on the outer side of the cable core; the cable can effectively transmit large current and high-frequency signals in a high-temperature environment, the ultrahigh shielding rate can effectively block interference of electromagnetic waves, the stability of transmitted signals is ensured, the flexibility of the cable is improved, the cable has good flexibility and fatigue resistance, and the service life of the cable is greatly prolonged.