40results about How to "Play a water blocking role" patented technology

The invention discloses a building brickwork and a masonry construction method of the building brickwork, and relates to a building brickwork of a building. The building brickwork is a brickwork which is built by light-weight aggregate concrete composite blocks; grooves and tongues are formed in the periphery of each light-weight aggregate concrete composite block; the light-weight aggregate concrete composite blocks are respectively 600-1200mm in length, 300-600mm in height and 80-200mm in thickness; the grooves are downward and the tongues are upward in field masonry; and the masonry construction method comprises the following steps: (1) building the brickwork by the blocks, namely building the first block on a foundation or floor ground, building the second composite block in a manner of being staggered with the first block, wherein the staggered-joint is 1/2 of the length of the block and is not smaller than 200mm at least; the composite block brickwork is connected with a building structure column and a concrete shear wall; the composite block brickwork is connected with building structure beams and plates; the building brickwork is subjected to deformation joint construction; a parapet wall is subjected to masonry construction; a switch socket is pre-buried and installed; and cable pipelines are laid; (2) fixing door frames and window frames; and (3) building a wall body corner structure by the light-weight aggregate concrete composite blocks.

The invention discloses an optical cable for rail transit, belonging to the technical field of optical cables. An optical fiber is straightly placed in a loose sleeve, and fiber paste is filled between the loose sleeve and the optical fiber to combine an optical fiber core. The cross section of a framework is of a cross-shaped structure, the cross-shaped structure of the framework is used for partitioning the periphery of the framework into four spaces, the framework is made of compound carbon fiber, one to three optical fiber cores are respectively arranged in each space around the framework, a water-blocking wire and cable paste are filled between the optical fiber cores and in a gap between the optical fiber cores and the framework, and are wound and coated by using a bundling yarn to form an optical cable core which is then sequentially coated with an aluminum-plastic composite belt layer and an outer sheath to form the optical cable for the rail transit. According to the optical cable, by using the framework made of the carbon fiber, the tension strength of the optical cable and the space in the framework are ensured, the self weight of the optical cable is reduced, so that the performance of the optical fiber in the loose sleeve is not influenced, and thus the optical cable is conveniently laid and installed; the defect that a thunder is easily introduced into a room by a metal reinforcer optical cable is eliminated, and the optical cable is suitable for a communication system of the rail transit.

The invention discloses a dynamic submarine cable assembly for deep water. The dynamic submarine cable assembly comprises a dynamic submarine cable body. The dynamic submarine cable body comprises a cable core. The cable core is coated with an inner sheath. The inner sheath is coated with a steel wire armor layer. The steel wire armor layer is coated with an outer sheath. The dynamic submarine cable assembly is characterized in that the space between the inner sheath and the outer sheath is filled with insulating oil, the insulating oil fills the gaps of the steel wire armor layer, and the dynamic submarine cable body is equipped with a pressure balancing device used for balancing the internal pressure and the external pressure of the dynamic submarine cable body. The dynamic submarine cable assembly for deep water has the advantage that the dynamic submarine cable has better water blocking performance and longer service life because the space between the inner sheath and the outer sheath is filled with the insulating oil and the pressure balancing device is arranged on the dynamic submarine cable body.

The present invention discloses an anticorrosion and damp-proof cable used in mines. The anticorrosion and damp-proof cable comprises a graphite coating, a compression resistance layer, an anti-corrosion coating, a waterproof glue layer, a water-blocking cable paste layer, PE cushion layers, metal central reinforcing members, a filler layer, an aluminum-plastics compound waterproof layer and power cables, wherein the filler layer is wrapped by the aluminum-plastics compound waterproof layer, the PE cushion layers are filled in the center of the filler layer, the metal central reinforcing members are arranged inside the PE cushion layers, the power cables are arranged in a circumferential manner outside the metal central reinforcing members, the aluminum-plastics compound waterproof layer is wrapped by the water-blocking cable paste layer, the water-blocking cable paste layer is wrapped by the polyethylene waterproof glue layer, the waterproof glue layer is wrapped by the anti-corrosion coating, the anti-corrosion coating is wrapped by the compression resistance layer, and the compression resistance layer is wrapped by the graphite coating. The anticorrosion and damp-proof cable used in mines is simple in structure, low in production cost, long in service life, and excellent in physical performance and anticorrosion and damp-proof performance, and the problem of application of cables in the mines is solved.

The invention discloses a fully-biodegradable mulching film for tobacco and a preparation method thereof. The mulching film comprises the following raw materials in parts by weight: 100-120 parts of poly(butylene adipate-co-terephthalate), 10 to 30 parts of polylactic acid, 0.1 to 3 parts of calcium carbonate, 0.1 to 2 parts of talcum powder, 1-5 parts of a compatilizer, 0.01 to 0.5 part of a slipping agent, 0.1 to 1 part of an anti-blocking agent, 0.01 to 1 part of an antioxidant, 0.01 to 0.5 part of an ultraviolet light absorber, 0.01 to 0.5 part of an anti-aging agent, and 0.1 to 1 part ofan anti-hydrolysis agent. The preparation method of the mulching film comprises the following steps: drying poly(butylene adipate-co-terephthalate) and polylactic acid, and adding the dried poly(butylene adipate-co-terephthalate) and polylactic acid into a stirrer for stirring; sequentially adding other raw materials while stirring, and putting the uniformly mixed materials into a feeding hole ofan extruder; cooling an extruded material, carrying out granulating, and drying the granulated material to obtain a modified material; and adding the modified material into a blow molding machine, andsuccessively carrying out molding, cooling and winding to finish the production of the mulching film. The mulching film meets the requirement of tobacco growth cycle in plateau areas, is completely degraded after being used, protects the environment and increases the yield and income.

The invention discloses a multicore bundling self-supporting optical fiber cable and a manufacturing method thereof, the multicore bundling self-supporting optical fiber cable structurally comprises asuspension wire part and an optical fiber cable part which are connected through a sling; the optical fiber cable part is formed through extruding and wrapping of a low smoke zero halogen flame-retardant jacket by a cable core and two tearing ropes. According to the optical fiber cable, a plurality of loose tubes are used for accommodating a plurality of optical fibers respectively, the loose tubes perform parallel wiring directly in the jacket process, the cabling process is saved, the production work flow is simplified, the production efficiency is improved, and the plurality of core loosetubes can be laid in a branching manner simultaneously.

The invention provides an OLED display panel and a display device. A test area of the OLED display panel comprises a substrate, an inorganic film layer, a planarization layer, a pixel definition layerand a packaging layer which are laminated, wherein the planarization layer is provided with a through hole at a pixel opening position corresponding to the pixel definition layer, and the packaging layer is deposited in the pixel opening and the through hole; and the planarization layer is separated from each other to form a new water blocking area and the packaging effect is enhanced.

The invention provides a power-control composite integrated water-blocking cable for urban rail transit. The power-control composite integrated water-blocking cable comprises a direct-current power cable core and at least two control cable cores, wherein each control cable core includes a control cable core conductor and a control cable core insulation layer, and the control cable cores are concentrically stranded outside the direct-current power cable core to form a control cable core layer. The direct-current power cable core sequentially comprises a direct-current power cable conductor, an extruded direct-current power cable insulation layer, a lapped first high-flame-retardance water-blocking tape, a metal shielding tape and an extruded first inner sheath layer from inside to outside. The outside of the control cable core layer sequentially comprises a lapped second high-flame-retardance water-blocking tape, an extruded second inner sheath layer, an extruded outer sheath layer and a metal water-blocking protection layer from inside to outside. The cable has higher insulation performance, class-A flame-retardant performance, good comprehensive water-blocking effect and bending property and a compact structure, is low-smoke, halogen-free, rat-proof, ant-proof and ultraviolet-proof, is resistant to electric field interference and meanwhile can have the effects of electric power transmission and control and signal protection and measurement.

The invention provides a power control composite integrated waterproof flexible cable for city track traffic. The cable comprises a DC power cable core and control wire cores. Each control wire core at least comprises a control wire core conductor and a control wire core insulation part, and the control wire cores are concentrically twisted outside the DC power cable core to form a control wire core layer; the DC power cable core successively comprises DC power cable conductors, an extruded DC power cable insulation part, a wrapped first high-flame-retardant waterproof band, a braided shielding layer and an extruded first inner sheath layer from the inside to the outside; and the control wire cores externally successively comprise a wrapped second high-flame-retardant waterproof band, an extruded second inner sheath layer, an extruded oversheath layer and a metal waterproof protective layer from the inside to the outside. The cable provided by the invention has the advantages of quite high insulation performance, A-grade flame retardation, low smoke, zero halogen, good integrated water-resistant effect, mice and ant resistance, ultraviolet prevention, electric field interference immunity, good flexibility, good bending performance and compact structure, and at the same time, can have power transmission and control, signal, protection and measurement effects.

The invention relates to the technical field of pipeline water blocking processes, and discloses a water blocking process of a building through-wall pipeline. The process comprises the following stepsof 1, cleaning the surface of a through-wall position of the pipeline, then wiping off water spots left by surface cleaning, meanwhile, cleaning the interior of a hole of a wall, and removing other impurity particles such as dust in the hole, so as to guarantee the solidification effect of glue during follow-up construction; and 2, sleeving the outer ring on one side of the through-wall positionof the pipeline with a sealing rubber ring. According to the process, rubber strips are plugged and fixed between the pipeline and the hole, meanwhile, the rubber strips are evenly distributed on theouter ring of the pipeline and supported in the hole, then gaps among the rubber strips, the pipeline and the hole are filled with a sealant, the sealant can be tightly attached to the pipeline and the hole through the rubber strips, and evenly fills the hole, meanwhile, part of the sealant is saved, the water blocking effect is good, water leakage can be avoided for a long time, and the water blocking action is achieved.

The invention relates to the technical field of bathtubs, in particular to a bathtub with a partition, which comprises a bathtub main body, a raised line is arranged in the middle of the interior of the bathtub main body, a partition assembly is connected to the raised line, the partition assembly is composed of a partition plate, a seat and a movable plate assembly, and the movable plate assembly is arranged in the middle of the partition plate. A seat is arranged at the position, close to the movable plate assembly, of one side of the partition plate, multiple sets of second sealing strips are arranged on the side, close to the seat, of the partition plate, a sleeving groove is formed in the position, close to the protruding strip, of the partition plate, and a containing groove and a handle are arranged at the position, close to the sleeving groove, of the upper end of the partition plate. The movable plate assembly is composed of a first sealing strip, a movable back plate and a movable headrest, the first sealing strip is arranged on the side, away from the second sealing strip, of the movable back plate, and the upper end of the movable back plate is connected with the movable headrest.

The invention discloses a flexible anti-cracking covering anti-seepage material with steel slag as a main material and a construction technology. The material proportion comprises the following components in percentage by weight: 85-95% of coarse particle steel slag, 5-15% of sodium calcium bentonite and 0.1-1% of polypropylene fiber, which are preferably graded. The preparation method comprises the following steps of: mixing and stirring the raw materials well according to the ratio in an air-drying state, and then carrying out site construction by using a dry material compaction process to obtain a low-permeability covering layer flexible impermeable material. The problem that the anti-seepage performance is degraded due to the fact that a covering layer anti-seepage material is prone to cracking under a dry-wet cycle can be solved. The covering layer flexible anti-seepage material is manufactured from steel slag through a new formula and a construction technology, efficient resource utilization of the steel slag is achieved, and the cost of a covering layer is remarkably reduced. The method can be applied to industrial solid waste storage yards, household garbage landfills and other places.

The invention provides a flexible cable with a sheath. The cable is prepared from a conductor, and an insulating layer, a hot-melt polyester tape and a sheath layer which are sequentially coated on asurface of the conductor, wherein a hot melt polyester tape is a double-sided hot melt adhesive type hot melt polyester tape, and the double-sided hot melt adhesive type hot melt polyester tape comprises a substrate film layer, an inner side hot melt adhesive layer in contact with the insulating layer, and an outer side hot melt adhesive layer in contact with the sheath layer. The cable is advantaged in that through different coating proportions and formulas of the hot melt adhesive layers on the two sides of the hot melt polyester tape, the sheath layer and the insulating layer are easy to peel off when the cable is laid, and meanwhile, the effect of blocking water vapor in practical application is achieved, and meanwhile, due to the effect of the polyester layer between the insulating layer and the sheath, the cable further has a certain effect on transversely blocking the water vapor.

The invention relates to a waterproof rubber jacketed flexible cable. The cable comprises conductor monofilaments, a tin coating and a waterproof layer are arranged outside the conductor monofilaments, and the conductor monofilaments, the in coating and the waterproof layer form conductors, the at least two conductors are twisted. A waterproof filler I is arranged in a twisting gap, an insulatinglayer is extruded at the outer portions of the twisted conductors and the waterproof filler I to form cable cores, the at least two cable cores are twisted to form a cable, a waterproof filler II is arranged at the twisted gap to form a cable core, the outer portion of the cable core is extruded with an inner sheath, a radial waterproof layer is arranged at the outer portion of the inner sheath, and an outer sheath is extruded at the outer portion of the radial waterproof layer. The waterproof rubber jacketed flexible cable is good in waterproofness, and the cable can be normally used in occasions with water.

The invention discloses a field prefabricated channel. The field prefabricated channel comprises C-shaped mound plates, wherein a bottom plate is connected between the C-shaped mound plates, the two ends of the C-shaped mound plates are provided with splicing mechanisms, and each splicing mechanism comprises a first splicing plate, a connecting hole, a second splicing plate, a labyrinth water stopgroove and an n-shaped expansion joint; each first splicing plate and the corresponding second splicing plate are occluded with each other, thereby facilitating the end-to-end connection and fixationof the C-shaped mound plates; a labyrinth type water stop band is formed in the labyrinth water stop groove, thereby being conductive to improving the anti-seepage effect of the splice of the C-shaped mound plates; the n-shaped expansion joints at the joints of the first splicing plates and C-shaped mound plates are used for compensating the temperature deformation to avoid the deformation and damage of the joint of the two C-shaped mound plates; during installation, the backfilling end faces of the bottom ends of the C-shaped mound plates are buried into the ground to form a channel foundation, which does not need assisting of soil bases at the two sides and is not affected by the deformation of the soil bases, the top ends of the C-shaped mound plates are walkable end faces, and a continuous walking channel is formed after the installation is completed.

The invention discloses a manufacturing method of a biodegradable mulching film for rice. The biodegradable mulching film is prepared from the following components, by weight: 60-80 parts of polylactic acid, 15-35 parts of degradable master batch, 2-8 parts of a PVC (Polyvinyl Chloride) smoothing agent, 1.5-6 parts of a PET (Polyethylene Terephthalate) anti-hydrolysis agent, 0.3-3 part of a PVC heat stabilizer, 0.5-2 part of a light stabilizer and 0.01-1.5 part of an antioxidant TNP. The modified material is obtained by mixing and stirring the polylactic acid and the degradable master batch and sequentially adding the PVC smoothing agent, the PET hydrolysis-resistant agent, the PVC heat stabilizer, the light stabilizer and the antioxidant TNP. The raw materials used in the invention are all biodegradable substances and have no pollution to the environment; the compatibility among the raw materials is good; the film is low in cost and low in product price, and all materials are non-starch substances.