235results about How to "Avoid erosion" patented technology

The utility model discloses a zipper storage type floating device which comprises a vehicle body, buoyancy assemblies and an air inlet and outlet valve, the foldable buoyancy assemblies are symmetrically arranged on the left side and the right side of the vehicle body, each buoyancy assembly comprises a floating bag and a storage sleeve arranged outside the floating bag, and a zipper is arranged on each storage sleeve in the length direction. According to the device, rigid connection and flexible storage are combined, on the premise that an original vehicle body framework is maintained, function expansion is achieved through reversible mechanical connection, the defect that a vehicle body structure needs to be damaged when a traditional amphibious vehicle is refitted is overcome, and the service life of the amphibious vehicle is prolonged. The floating stability is guaranteed, and meanwhile the characteristics of rapid storage, stable unfolding and modular maintenance are achieved.

This invention relates to a boron-doped multi-element polyanionic sodium-ion battery cathode material and its preparation method, comprising the following steps: [The method involves] mixing Na₄Fe₂O₃ with... 3‑X B X (PO4) 2‑Y (SiO4) Y The stoichiometric ratio of P2O7 is determined by adding ferrous source, boric acid, sodium source, phosphorus source, and silicon source to water, followed by the addition of carbon source and mixing thoroughly to obtain a mixed slurry; wherein 0.2≤X≤0.5, 0<Y≤1; the mixed slurry is then ground to obtain a sand-milled slurry; the sand-milled slurry is dried to obtain precursor powder; under a protective atmosphere, the precursor powder is sintered at 450~550℃ to obtain boron-doped multi-element polyanion sodium-ion battery cathode material. The introduction of boron and silicon elements in this invention helps reduce raw material costs, improve the electrochemical performance of the material, especially enhancing the structural stability, rate performance, and cycle life of the cathode material, and also lowers the sintering temperature, meeting the requirements for cost reduction and efficiency improvement.

This invention provides a photocatalytic composite nanoenzyme self-cleaning coating, its preparation method, and its application. Specifically, it includes: preparing solution A with Ca(NO3)2·4H2O and nano-cerium oxide; preparing solution B with (NH4)2HPO4 and hexadecyltrimethylammonium bromide; mixing solutions A and B, and reacting at high temperature to obtain cerium oxide nanoenzyme / hydroxyapatite microspheres; and using (NH4)6Mo7O... 24 Solution M is prepared by dissolving Fe(NO3)3·9H2O in deionized water; solution N is prepared by dissolving Fe(NO3)3·9H2O in deionized water; solutions M and N are mixed to obtain a precursor; the precursor is reacted with cobalt oxide at high temperature to obtain Co / Fe2(MoO4)3; tetraethyl orthosilicate, anhydrous ethanol, deionized water, and ammonia are mixed and sealed for aging; after adding a modifier, it is mixed with cerium oxide nanoenzyme / hydroxyapatite microspheres and Co / Fe2(MoO4)3, sprayed onto the obtained composite coating, and cured at high temperature to obtain a self-cleaning coating. This invention, by loading a photocatalyst and nanoenzyme / hydroxyapatite microspheres onto the surface of a modified SiO2 gel, effectively improves the photocatalytic activity and self-cleaning performance of the coating while maintaining good optical transmittance.

The application relates to the technical field of batteries, in particular to a positive electrode material, a preparation method thereof, a positive electrode sheet and a battery. The positive electrode material comprises: an inner core, wherein the inner core comprises a high-nickel ternary positive electrode material; a first coating layer coated on the surface of the inner core, wherein the first coating layer comprises an oxide of cobalt, an oxide of titanium and an oxide of aluminum; and a second coating layer coated on the surface of the first coating layer, wherein the second coating layer comprises an oxide of selenium; wherein the surface of the high-nickel ternary positive electrode material is treated by an organic acid. The technical scheme can reduce the residual alkali on the surface of the material, effectively improve the structural stability and interface stability of the material in the long-term cycle process, and thus realize excellent cycle life and capacity retention rate.

The application provides a fiber-optic Fabry-Perot sensor based on light beam convergence and a manufacturing method thereof, and relates to the technical field of semiconductors. The sensor comprises a diaphragm layer, an intermediate layer and a bottom layer which are arranged in layers; the diaphragm layer is provided with a first groove, the intermediate layer is attached to the diaphragm layer in a manner that a first layer surface thereof faces the first groove, so as to form a Fabry-Perot cavity based on the first groove; the bottom layer is provided with a second groove, the intermediate layer is attached to the bottom layer in a manner that a second layer surface thereof faces the second groove, so as to form a nano-containing cavity based on the second groove; the second layer surface of the intermediate layer is formed with a micro-nano anti-reflection structure comprising array-distributed anti-reflection units located in the nano-containing cavity; and the bottom layer is formed with a micro-nano collimation structure comprising array-distributed collimation units located in the nano-containing cavity and in a symmetrical positional relationship with the micro-nano anti-reflection structure. The application at least reduces the manufacturing complexity.

The utility model discloses a mixing device for cement processing, and belongs to the technical field of mixing devices. The stirring device comprises a stirring container, a connecting block is rotatably arranged in an inner cavity of the stirring container, two cleaning mechanisms are arranged on the outer wall of the connecting block, each cleaning mechanism comprises a fixing rod and a connecting rod, one end of each fixing rod is fixed to the connecting block, a rectangular groove is formed in each fixing rod, and first screw holes are formed in the two ends of the outer wall of each fixing rod. The number of the first screw holes is multiple, the multiple first screw holes communicate with the rectangular groove, a cleaning brush is fixed to the connecting rod, and the top of the connecting rod penetrates into the rectangular groove and then is fixed through a bolt. Through the fixing rod, the rectangular groove, the first screw hole, the connecting rod and the cleaning brush, when the end of the cleaning brush is abraded, the position of the cleaning brush can be adjusted in time, other intact parts of the cleaning brush continue to play a role through flexible adjustment, the service life of the cleaning brush is prolonged, the overall replacement frequency is reduced, and the purchase cost of the cleaning brush is reduced.

The utility model discloses a dehumidifier with a condensed water gravity detection structure, which comprises a dehumidifier shell, a water tank and an equipment support, a base, a middle mounting plate and a top display screen are arranged on the equipment support, a water storage cavity is defined by the base, the middle mounting plate and the equipment support, the water tank is detachably mounted in the water storage cavity, and the top display screen is arranged on the top display screen. A weighing assembly is arranged on the base, and a state display area, a control button area and a data processor are arranged on the top display screen; the water tank comprises a water tank body, a water tank cover and a water tank bottom face, the water tank bottom face abuts against the weighing assembly, the weighing assembly sends weight data to the data processor, and the data processor carries out calculation and sends water level data to the state display area to display the real-time water level. And the measurement precision is reduced due to the easy erosion and adhesion of stains.

The utility model relates to the technical field of screw drilling tools, in particular to an anti-erosion water cap for a screw drilling tool, which comprises a water cap, a vertical hole and a transverse hole, the vertical hole and the transverse hole are arranged in the water cap, coatings are arranged on the inner surfaces of the vertical hole and the transverse hole, and intersecting lines of the vertical hole and the transverse hole are chamfered. According to the utility model, the strength of the inner walls of the vertical hole and the transverse hole can be increased through the arrangement of the plating layer, the situation that the vertical hole and the transverse hole are quickly corroded and the service life of the device is influenced is prevented, and the intersecting line of the vertical hole and the transverse hole is chamfered, so that the contact area between the intersecting line and the plating layer is increased, and the use strength of the plating layer at the intersecting line is ensured; according to the water cap, the corrosion resistance of the interior of the water cap is further guaranteed, the erosion and corrosion prevention effect can be guaranteed by selecting hard chromium as the material of the plating layer and setting the strength of the hard chromium to be larger than 800 HV, the hard chromium is not prone to falling off due to the fact that the thickness of the hard chromium is set to be larger than 0.3 mm, and the corrosion resistance of the hard chromium can be guaranteed.

The application discloses a high-temperature-resistant silica gel composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. In view of the problems that existing silica gel is easy to be thermally degraded and brittle and has poor flame-retardant performance above 300 DEG C, the application uses methyl vinyl silicone rubber as a matrix, introduces specific structure organic flame retardant and epoxy modified nano cerium dioxide. The two are in-situ chemically bonded through epoxy groups and phenolic hydroxyl groups to construct a synergistic protection network, which significantly improves the dispersibility of the filler and prevents high-temperature migration. The material has excellent mechanical property retention rate at 350 DEG C extreme high temperature, and the flame-retardant grade reaches UL-94 V-0 level. By forming a dense Ce-P-O-C ceramicized carbon layer, oxygen and heat are effectively isolated, the technical problems that the silica gel is easy to crack and easy to burn in an extreme heat environment are solved, and the material is suitable for the fields of aerospace and electronic packaging.

The utility model relates to the technical field of erosion gully treatment, and discloses a soft protection grid device for erosion gully treatment, which comprises a gully bottom, slope bodies are fixedly connected to the left side and the right side of the top wall of the gully bottom, protection mechanisms are mounted on the inner sides of the slope bodies, and the protection mechanisms are used for treating erosion gully. And a fixing mechanism is mounted on the outer side of the protection mechanism. According to the utility model, the protection grid is composed of a plurality of grids with small meshes, the planting soil is filled in the protection grid, the protection net prevents the planting soil from scattering out, the protection grid is spliced on the inner side of the outer frame according to the length of a ditch slope and is obliquely arranged and fixed on the ditch slope during use, and vegetation is planted in the protection grid; the root systems of the vegetation penetrate through the protection grids and root in the soil body of the ditch slope, the ditch slope is stabilized and prevented from being eroded, the effect of purifying water is achieved, when flood impact occurs, the vegetation has the energy reduction effect, and the impact of water flow on the soil body is effectively relieved.

This utility model discloses a partition-type refrigerator door, comprising: a door unit, a partition unit, and a water-guiding component. The door unit includes a door shell, on which a door cover and a bottom beam are fixedly connected, respectively, arranged vertically. The door unit is used to close the refrigerator storage area. The partition unit is disposed on the door shell and is used to block the stored items in the refrigerator. The water-guiding component is disposed on the partition unit and is used to guide the condensate in the refrigerator. This utility model can stably close the refrigerator storage area through the door unit, reducing cold leakage and ensuring food freshness. The partition unit can prevent stored items from tilting and falling due to opening and closing, and the water-guiding component can promptly guide water stains, preventing water from corroding the door structure and reducing its service life. It also prevents dripping onto the ground and causing users to slip. Overall, it stabilizes the door function, optimizes storage and anti-condensation effects, and improves the practicality of the refrigerator.

This invention discloses an organocobalt salt for improving the tensile strength of rubber and its preparation method, belonging to the field of rubber technology. The organocobalt salt for improving the tensile strength of rubber comprises, by mass parts, 140-210 parts of organosilicon vegetable fatty acid, 20-30 parts of solvent, 20-30 parts of cobalt hydroxide, and 10-16 parts of propionic acid. The organosilicon vegetable fatty acid is obtained by reacting rosin with organosilicon maleimide. The organosilicon maleimide is obtained by reacting maleic anhydride with a silicon-containing long-chain fatty amine. The silicon-containing long-chain fatty amine is obtained by reacting methyldiethoxysilane with an unsaturated long-chain fatty amine. The organocobalt salt obtained by this invention has a good effect on promoting the adhesion between metal and rubber while effectively improving the tensile strength of rubber.

The utility model relates to the related technical field of forming devices of silicon carbide combined bricks, in particular to a forming device of a silicon nitride and silicon carbide combined brick of a high-alkalinity rotary kiln, which comprises an isostatic pressing forming frame, an elastic die frame, a high-pressure container and an isostatic pressing forming assembly. A high-pressure container is installed at the driving position of the elastic mold frame, the elastic mold frame and the high-pressure container are arranged at the pressurizing position of the isostatic pressing forming assembly, the penetrating bolt penetrates through the reinforcing cross beam in a threaded mode, the mold frame and the elastic mold frame can be fixed, and when the mold frame and the elastic mold frame break down, the high-pressure container is installed at the driving position of the elastic mold frame, and the high-pressure container is installed at the pressurizing position of the isostatic pressing forming assembly. A user can manually screw the penetrating bolt, so that the mold frame and the elastic mold frame on the reinforcing cross beam are convenient to disassemble and replace, and the high-alkalinity rotary kiln silicon nitride and silicon carbide combined bricks on the mold frame and the elastic mold frame are convenient to disassemble and clean.

The utility model discloses a durable flange brick structure which comprises a brick body and a tip end, the tip end is arranged at the rear end of the brick body, and the tip end and the brick body are integrally formed. One end, close to the calender, of the tip extends between the upper calender roll and the lower calender roll, and the end is provided with an upper cambered surface and a lower cambered surface which are matched with the surface radians of the upper calender roll and the lower calender roll respectively; the baffle is detachably mounted on one side surface of the tip, is used for isolating the molten glass from the tip, covers the tip and is arranged in a profiling manner according to the outer contour of the tip; the positioning part is formed by forward extension of the baffle, and the positioning part is in concave-convex fit with the brick body part so as to realize positioning of the baffle relative to the flange brick body. According to the flange brick structure provided by the utility model, the baffle plate can be quickly and accurately mounted through the positioning part, the baffle plate can improve the structural strength of the flange brick body, the tip breakage caused by the erosion of molten glass is avoided, the stability of the plate width of the molten glass out of a calender is maintained, and the production efficiency is improved.

This utility model relates to automobile chassis installation, specifically to an automobile chassis rubber bushing, comprising: a bushing body with a sealing ring installed inside; a movable component for abutting the sealing ring; and a fixed component for restricting the movable component after use. The movable component includes: a turntable rotatably connected inside the bushing body. Through the movable component, a control disc rotates the turntable, causing a sliding rod on the turntable to slide along its surface. Because it is hinged to an abutting rod, the sliding rod is pushed to move, causing an abutting block to slide within the bushing body and abut against the sealing ring, applying force to maintain its position. Simultaneously, a rotating shaft drives the sliding rod to make the abutting ring slide upwards to abut against the bottom of the sealing ring. The two components work together to firmly abut the sealing ring, preventing displacement or loosening, preventing external dust from entering the bushing, avoiding internal structural corrosion and wear, preventing grease leakage, and extending the bushing's lifespan.

The utility model provides a spherical pharmaceutical all-in-one machine. The spherical pharmaceutical all-in-one machine comprises a bottom plate, a first supporting frame, a heightening seat, a containing tank, a main shaft, blades, a connecting frame, a scraping plate, a spring, a rotating cylinder, a first bearing seat and a second bearing seat. The two ends of the spring are connected with the connecting frame and the scraper respectively, and the connecting frame is connected with the outer wall of the main shaft, so that when the main shaft drives the connecting frame to rotate, the connecting frame drives the scraper to rotate through the spring, the spring is stretched through centrifugal force, and the scraper is attached to the inner wall of the containing tank; and therefore, the crystals adhered to the inner wall of the accommodating tank can be scraped by the scraping plate, so that the crystals can be conveniently collected.

The utility model discloses a deep foundation pit support displacement monitoring and early warning device, and relates to the technical field of monitoring and early warning devices. The device comprises a U-shaped supporting frame, a U-shaped plate is fixedly connected to the top end of the U-shaped supporting frame, a mounting box is fixedly connected to the side end of the U-shaped plate, a control button is fixedly connected to the position, close to the center of one side, of the bottom end of the mounting box, and an L-shaped plate is fixedly connected to the position, close to the control button, of the bottom end of the mounting box. A lifting rod is slidably inserted in the position, close to one side, of the interior of the L-shaped plate, a floating plate is fixedly connected to the bottom end of the lifting rod, a touch plate is fixedly connected to the top end of the lifting rod, the touch plate and the control button are located on the same horizontal plane, and a supporting plate is slidably connected between the inner walls of the two sides of the U-shaped supporting frame. According to the utility model, the mobile power supply in the power supply box is used for providing power for the electrical mechanism of the equipment, so that the pulling of a longer wire harness is avoided, the risk of personnel stumbling caused by disordered wire harnesses is effectively reduced, and the safety of a working environment is improved.

The utility model discloses a ridge tile convenient to install lamp strip, first lamp strip mounting portion and second lamp strip mounting portion symmetrical horizontal setting in its inboard along the length direction of first flow guide portion, first lamp strip mounting portion and second lamp strip mounting portion all are equipped with a plurality of mounting holes, and the inboard of first lamp strip mounting portion and second lamp strip mounting portion is connected with second flow guide portion and third flow guide portion respectively, and second flow guide portion and third flow guide portion are inclined downward to the roof of two sides respectively to drain the rainwater received from first flow guide portion to the roof, and the both sides of ridge tile mounting portion are connected with second flow guide portion and third flow guide portion simultaneously to install ridge tile on the roof ridge, so setting, increase the stable shape of ridge tile installation, and the installation of lamp strip does not need to use the nail to punch the hole installation, and installation and disassembly are all simple and quick, reduce the leakage or security hidden danger caused by the ridge tile loosening when replacing the lamp strip, also reduced the adverse effect that sunlight and rainwater bring to the lamp strip, prolong the service life of lamp strip.

This invention relates to the construction of water conservancy projects, and more particularly to retaining walls for water conservancy projects. The retaining walls are constructed from multiple precast raft slabs connected in series. The precast raft slabs provide a better foundation for the construction of the retaining walls and offer better resistance to settlement and displacement during later use. Compared to direct masonry, the precast raft slabs offer better waterproofing and can be prefabricated, saving construction time. A connecting device is provided between adjacent precast raft slabs to better adjust and maintain their position, improving operational stability. A waterproof structure is provided at the connecting device to prevent water erosion of the dam and to strengthen the connection between adjacent precast raft slabs.

This utility model discloses a base station antenna pole bracket, relating to the field of base station antenna technology. It includes a pole and a base station antenna. The pole is equipped with two sets of fixing components, and the base station antenna is rotatably connected to the two sets of fixing components. Each fixing component includes a first clamping plate and a second clamping plate. The pole is clamped between the first and second clamping plates. Two symmetrically distributed screws are movably connected between the first and second clamping plates, and nuts are threaded onto the outer rings of the screw ends. During use, this utility model can shield the tops of the first and second clamping plates from rainwater, preventing the screws and nuts from being corroded by rainwater. This solves the problem in existing base station antenna pole brackets where the screws and nuts of the first and second clamping plates are easily corroded by rainwater, leading to rust and making them difficult to remove when disassembling the base station antenna, thus reducing the practicality of the base station antenna pole bracket.

The invention belongs to the technical field of semiconductor devices, and particularly relates to a method or equipment special for processing a semiconductor device, in particular to a single-face etching cleaning method and equipment for a silicon-bottom battery piece. According to the single-side etching cleaning method and equipment for the silicon-bottom battery piece, continuous conveying of the battery piece is achieved through the conveying roller, the back face of the battery piece is etched through the arranged pickling section, and the pickling section conducts etching in the mode that the liquid carrying roller carries the pickling solution to make contact with the back face of the battery piece. The mode that pure water is carried by a water carrying roller arranged on the water washing section to clean the back face of the battery piece is adopted, and it is also avoided that in the cleaning process, the pure water and the pickling solution are mixed and overflow to the front face of the battery piece to cause pollution; and the acid gas generated in the acid pickling and water washing processes is sucked out through the air extractor arranged at the acid pickling section and the water washing section, so that the erosion of the acid gas to the front surface of the battery piece is further avoided.

The application discloses a driving backboard, a preparation method thereof and a display panel. The driving backboard comprises a substrate, an active layer, a source electrode, a drain electrode, a gate electrode, a metal oxide barrier portion and a transparent electrode arranged on the substrate. The source electrode and the drain electrode are arranged on the active layer and connected with the active layer respectively. The gate electrode is located on one side of the active layer close to or away from the source electrode. The metal oxide barrier portion is arranged on one side of the source electrode away from the active layer, covers the source electrode and is in contact with the surface of the source electrode. The transparent electrode is arranged on one side of the drain electrode away from the active layer and connected with the drain electrode. The application reduces the process manufacturing cost of the driving backboard under the premise of improving the electrical performance of the thin film transistor.

The utility model relates to the technical field of fabricated buildings, in particular to a connecting piece of a fabricated building, which comprises a first wall plate, a second wall plate is arranged on the surface of the first wall plate, a mounting groove is formed in the surface of the first wall plate, and a mounting bolt is in threaded connection with the surface of the mounting groove. And the surface of the mounting bolt is movably connected with a mounting plate. According to the utility model, the mounting groove is in threaded connection with the mounting bolt, the mounting bolt is movably connected with the mounting plate, the mounting plate is fixedly connected with the fixing sleeve, the fixing sleeve is fixedly connected with the connecting plate, the connecting plate is movably connected with the limiting plate, the limiting plate is fixedly connected with the screw rod, and the screw rod is fixedly connected with the rotating head; the lead screw is movably connected with the moving block, the moving block is fixedly connected with the moving sleeve, the rotating head is rotated to drive the lead screw to rotate so that the moving block can be controlled to drive the moving sleeve to move, accordingly, the second wall plate can be driven to move, and the size of the gap between the first wall plate and the second wall plate can be adjusted.

The utility model discloses a waterproof wire harness rubber part of an automobile door, which relates to the technical field of automobile parts, and comprises an automobile body connector and an automobile door connector, a corrugated pipe is arranged between the automobile body connector and the automobile door connector, the automobile body connector is provided with a first sealing groove, the automobile door connector is provided with a second sealing groove, and the first sealing groove and the second sealing groove are communicated with each other. The automobile body connector is provided with a first clamping groove connected with the wire harness sleeve in a clamped mode, and the automobile door connector is provided with a second clamping groove connected with the wire harness sleeve in a clamped mode. Through the arrangement of the first sealing groove and the second sealing groove in the vehicle body connector and the vehicle door connector, water flow is prevented from permeating into the vehicle body connector and the vehicle door connector, so that the water flow is prevented from corroding the wire harness in the rubber part, and the sealing effect is better.

The application discloses a damp-proof and erosion-proof house building foundation wall and a construction method thereof, and relates to the technical field of house building. The application provides the following scheme, which comprises a strip foundation and a damp-proof layer embedded in soil, and an erosion-proof layer fixed on the top of the damp-proof layer. In the application, the damp-proof layer is added on the strip foundation of the house building, EPE industrial foam partitions are added in the concrete strip board, and the foam partitions form a barrier layer in the strip board, so that the foundation wall embedded in the soil forms a partition for the moisture in the soil, and the upward erosion of the moisture to the wall body is avoided. The erosion-proof layer is placed above the damp-proof layer, the water glass concrete itself is used in combination with the regenerated rubber strip with the water-proof property to realize the partition of the upper wall body, the acid and alkali corrosion of the upper wall body is avoided, and thus the damp-proof layer is combined to protect and enhance the strength, corrosion resistance and water-proof property of the foundation wall.

The utility model provides aluminum pipe inner wall spraying equipment, relates to aluminum pipe processing equipment technical field, including connecting block and machine body, the outer wall of connecting block is fixedly connected with two connecting seat, one end of connecting seat far away from connecting block is fixedly equipped with first motor, the output shaft of first motor is fixedly connected with rotating rod. During spraying work, the end of the aluminum pipe extrudes the outer surface of the cleaning head, then the cleaning head enters the aluminum pipe, pressure is applied to the cleaning head through a spring, the outer surface of the cleaning head is always attached to the inner wall of the aluminum pipe, and then the cleaning head is attached to the inner wall of the aluminum pipe to slide and rotate; dust and other impurities on the inner wall of the aluminum pipe can be efficiently cleaned, the falling impurities can be blown out through high-speed rotation of the fixing blocks, it is guaranteed that the cleanliness of the inner wall of the aluminum pipe meets the spraying requirement, it is guaranteed that the interior of the aluminum pipe can be evenly sprayed, the inner wall of the aluminum pipe is prevented from being corroded, and the service life of the aluminum pipe is prolonged.

The invention relates to a spraying device. Comprising a liquid storage mechanism provided with a liquid storage cavity used for storing liquid; the spraying mechanism is connected with the liquid storage mechanism, and the spraying mechanism is provided with a vent hole capable of communicating the outside with the liquid storage cavity; the blocking mechanism comprises a blocking piece, the blocking piece is movably arranged in the vent hole, and when the liquid storage mechanism is in the working state and the liquid in the liquid storage cavity cannot flow out of the vent hole under the action of gravity, the blocking piece is located at the first position to open the vent hole; when the liquid storage mechanism is in a pouring state and liquid in the liquid storage cavity can flow out of the vent hole under the action of gravity, the blocking piece can move from the first position to the second position to block the vent hole. Therefore, the liquid can be prevented from leaking from the vent hole to damage a circuit or other parts of the spraying device, so that the service life of the spraying device is prolonged.

The utility model discloses PE water supply pipe of corrosion -resistant alloy layer's lining, relates to water supply pipe technical field, and its technical key points include PE main body structure layer, corrosion -resistant alloy lining layer, reinforcing layer and outer protective layer, corrosion -resistant alloy lining layer sets up in the inside of PE main body structure layer, reinforcing layer sets up in the outside of PE main body structure layer, outer protective layer sets up in the outside of reinforcing layer, reinforcing layer includes pressure -resistant buffer layer and tough layer, pressure -resistant buffer layer sets up in the outside of PE main body structure layer, and tough layer sets up between pressure -resistant buffer layer and outer protective layer. Technical effect is through setting up corrosion -resistant alloy lining layer, can play the role of resistance medium corrosion, prevents the corrosive component in conveying medium from causing the erosion to pipeline, ensures water quality and is not polluted, prolongs the service life of pipeline simultaneously.