58 results about "Membrane bodies" patented technology

The application discloses a soil-rock dam reinforcing and enhancing structure for preventing over-standard overflow dam break and a construction method thereof. The structure comprises a soil-rock dam filling body, a vertical anti-seepage core wall arranged in the soil-rock dam filling body, and a composite high-strength fiber three-dimensional membrane arranged on the surface of the dam slope after regulation. The membrane body is unfolded along the slope surface and is reinforced by a pressing plate type fixing anchor bolt and a fiber membrane three-dimensional rivet. The row-to-row spacing of the fixing anchor bolt is 20-50 cm, so that the composite membrane is tightly attached to the dam body. The rigid structure and the flexible protection material are organically combined, the dam body's erosion resistance and durability are significantly improved while the flood discharge capacity is ensured, the construction method is simple, the cost is low, and the method is suitable for flood control reinforcement and safe operation of various soil-rock dams.

This utility model discloses a winding and traction device for a waterproof membrane production line, belonging to the field of waterproof membrane production. The winding and traction device for a waterproof membrane production line includes a base, an adjustment mechanism for the interior of the trough and the surface of the first traction roller, a clamping and anti-loosening mechanism for the fixing frame and the surface of the waterproof membrane body, and an automatic feeding mechanism inside the holding trough. This utility model not only ensures stable transmission and precise winding of waterproof membrane bodies of different thicknesses during use, preventing deviation and gaps between the waterproof membrane bodies during winding, thus improving the winding effect, but also increases production efficiency and enhances the automation level of the winding and traction device.

The utility model discloses a proton exchange membrane strength detection device provided by the utility model, and the mounting frame includes oppositely arranged left frame body and right frame body, is provided with drive mechanism and the winding roller of drive mechanism connection on the right frame body, is provided with right fixed establishment on the right frame body, and the right fixed establishment includes right limit frame and right limit component setting on right limit frame, is provided with tension test mechanism and left fixed establishment on the left frame body, and the left fixed establishment includes left limit frame and first limit component and second limit component setting on left limit frame, is provided with adjusting drive component on left limit frame. The utility model provides proton exchange membrane strength detection device, and right limit component, first limit component and second limit component can fix the both ends of membrane body automatically, and increase the contact area with membrane body, avoid the indentation, breakage and other conditions of the local force of membrane body too big.

This utility model discloses a side film storage device for a waterproof membrane production line, belonging to the field of waterproof membrane production. The device includes a storage rack, with an anti-jamming mechanism on the surface of the support rack, and an adjustment mechanism on the surfaces of the positioning ring and the limiting ring. An automatic pressing mechanism is provided on one side of the storage rack. This utility model not only allows users to easily and precisely adjust the positions of the first and second membrane cores according to the dimensions of the waterproof membrane body, reducing obstacles encountered during the edge film application process and ensuring smooth application of the edge film to the surface of the waterproof membrane body, thus improving the coating quality, but also enhances the tightness of the waterproof membrane body during application.

The utility model belongs to PET membrane test technical field especially relates to a PET membrane sample testing arrangement and smoothing mechanism, wherein PET membrane sample testing arrangement, include: PET membrane placing table, its at least one side is provided with membrane flat area, and PET membrane body respectively extends from PET membrane placing table side to corresponding membrane flat area, control module is used for controlling smoothing mechanism, wherein, smoothing mechanism, it includes: the smoothing assembly that sets up up and down, and both smoothing assembly are provided with smoothing piece, and the smoothing piece sets up up and down and leaves the membrane smoothing gap between both, driver, with control module electric connection, to drive smoothing piece to and fro movement, smoothing is arranged in the PET membrane body of membrane smoothing gap, and then realizes the smoothing roller to the smoothing operation of PET membrane body surface, effectively eliminates the fold or uneven of PET membrane body surface existence, provides more ideal test surface for test.

Membrane arrangement (1) comprising a membrane (7) that defines a volume space (5), a membrane body (9), characterized by a convex contact contour (12, 121) arranged adjacent to a transition area (16) from the membrane (7) to the membrane body (9) on an outer side (11) of the membrane order (1) facing away from the volume space (5), wherein the convex contact contour (12, 121) is provided by a ring (13, 117) surrounding the membrane body (9), wherein the ring (13) is designed separately from the membrane assembly (1) and engages in a groove (15) surrounding the membrane body (9) or wherein the ring (117) and the membrane assembly (1) are designed as one piece, and the ring (117) is at least partially embedded in the membrane body (9).

This application provides an aqueous zinc-ion battery separator, its preparation method, and its application. The separator includes a membrane body and a polyoxometalate present in the membrane body; the membrane body includes nanocellulose and has a cross-linked structure formed by cross-linking nanocellulose through the polyoxometalate. This cross-linked structure exhibits a superionization effect, which can disrupt the hydrogen bond network of water in the electrolyte, thereby weakening the solvation effect of water, significantly increasing the entropy of the electrolyte, inhibiting parasitic reactions and dendrite growth, enhancing the reversibility of zinc ion stripping and deposition, and thus improving the cycle stability of the battery; in addition, the separator with this cross-linked structure has a uniform pore size distribution and good mechanical strength and zinc ion transport performance.

The invention relates to a device for dynamically adapting sealing of organs or body cavities, by particularly rapid movement of a sealing balloon element from an extracorporeal reservoir or extracorporeal source to a filling medium, in the case of dynamic sealing of the trachea, preferably in the diameter, a residual shaping of the balloon-like membrane body over the diameter of the trachea, i.e. a balloon-like membrane body which is larger than the diameter of the trachea, seals against the inner wall of the trachea with as constant a pressure as possible, compensates for fluctuations in the volume of the balloon caused by fluctuations in the intrathoracic pressure associated with respiratory mechanics by delivering volume from an extracorporeal reservoir or extracorporeal source with as short a time delay as possible, and at all times maintains the sealing of the tracheal secretions from the balloon. The above-mentioned solution is achieved by a sufficiently large delivery line to the inner lumen of the balloon filling medium of the cuff, in which delivery line steps, gaps or burrs are avoided in order to achieve a minimization of the volume flow towards the balloon, which is essential for the as fast as possible stabilization of the filling volume in the balloon.

The application discloses a reverse osmosis type water purifier and relates to the technical field of water purifiers. The water purifier can solve the problem that the prior art is difficult to cope with raw water quality fluctuation and cannot balance filtering efficiency and membrane body service life. The water purifier comprises a machine shell, a pumping assembly arranged in the machine shell and used for pressurizing water inlet, a plurality of reverse osmosis membrane bodies fixedly arranged in the machine shell, a shunt pipeline, a distribution module and the like. The plurality of reverse osmosis membrane bodies comprise one main membrane body and two auxiliary membrane bodies, the main membrane body and the two auxiliary membrane bodies are connected in parallel, the shunt pipeline is used for fluidly connecting the outlet of the pumping assembly to the water inlet interfaces of the plurality of reverse osmosis membrane bodies, and the distribution module comprises a plurality of electric proportional regulating valves. The water purifier can realize independent flow pressure regulation through parallel arrangement of the plurality of reverse osmosis membrane bodies and cooperation of the electric proportional regulating valves, can dynamically distribute processing load according to raw water quality and use demand, can significantly improve water purification efficiency, prolong membrane body service life and reduce operation energy consumption.

This utility model relates to the field of computer keyboard technology and discloses an anti-ghosting computer keyboard membrane switch, including a membrane body. An upper wire is disposed inside the membrane body, and a middle partition layer is disposed on the lower surface of the upper wire. The outer wall of the middle partition layer is disposed inside the membrane body, and a circular hole is formed inside the middle partition layer. A lower wire is disposed on the lower surface of the middle partition layer, and the outer wall of the lower wire is disposed inside the membrane body. A conductive line is disposed inside the lower wire, and solder pads are fixedly connected to both outer walls of the conductive line. In this utility model, through the cooperation of the upper wire, middle partition layer, circular hole, lower wire, conductive line, solder pads, UV bridge, and surface mount, effective insulation and isolation are achieved, enhancing signal stability and anti-interference, reducing the probability of accidental touches, and simultaneously realizing a precise and reliable conduction triggering function, thereby effectively preventing ghosting.

The utility model discloses a natural gas dehydration device of quick replacement macromolecular separation membrane, including dehydration tank, all installation branch leg at the corner position of dehydration tank bottom end, the surface of dehydration tank is equipped with the door through the hinge, and the bottom of dehydration tank is equipped with the water collecting hopper, and the top of water collecting hopper is linked with the bottom of dehydration tank, and the inner wall on dehydration tank one side is fixed with the abutment plate, and the dehydration tank inside of abutment plate one side is installed with macromolecular separation board, and the inside of macromolecular separation board is installed with macromolecular separation membrane body, and the dehydration tank inside of macromolecular separation membrane body far away abutment plate one side is equipped with the pressing plate, and the dehydration tank inner wall on pressing plate far away macromolecular separation membrane body one side is fixed with the protection box and is installed, and the inside of protection box is installed with electric push rod. The utility model not only has improved the convenience when maintaining dehydration device, also has improved the dehydration efficiency of natural gas when using dehydration device, and has guaranteed the dehydration effect of macromolecular separation membrane body to natural gas.

This utility model relates to the field of food testing technology and discloses a multi-layer membrane negative pressure rapid filtration device for food testing samples, including a first filter cylinder and a second filter cylinder. The second filter cylinder has a multi-layer membrane body arranged inside, and the output end of the drive motor is connected to a stirring shaft. This utility model fixes a support plate on both sides of the inner wall of the first filter cylinder, and a second positioning column is fixed on the top of the support plate. A second filter plate is assembled above the support plate. Therefore, during operation, the material first passes through multiple layers of filtration within the multi-layer membrane body. This process can be aided by a negative pressure pump to provide a negative pressure environment, thus forming a multi-layer membrane negative pressure filtration. The first and second filter cylinders can be connected and assembled on both sides using connecting plates. During assembly, fixing bolts are used to connect and fix the first filter cylinder to the connecting plate and the connecting plate to the second filter cylinder, thereby improving the connection and assembly capability during operation.

This utility model discloses a curtain-type MBR hollow fiber membrane module, belonging to the technical field of hollow fiber membrane modules. The curtain-type MBR hollow fiber membrane module includes a support frame and further includes: multiple filter components mounted on the support frame; sliding support rods slidably connected to the support frame; a support shell mounted on the sliding support rods, and a cleaning roller rotatably connected to the support shells; multiple float boxes mounted on the sliding support rods; and aeration bases mounted on the filter components. When external gas enters the aeration base for aeration, the water inside the float boxes is drained, and the float boxes and cleaning rollers float to clean the fiber membrane body. When the cleaning rollers float or sink, they rotate. This utility model, while aerating and cleaning the filter components, allows the cleaning rollers to move up and down and rotate, thus enabling contact cleaning of the components and further improving the cleaning effect on the membrane fibers.

This invention belongs to the field of biodetection technology and provides a lateral flow immunochromatographic membrane and biosensor based on electrochemiluminescence. The lateral flow immunochromatographic membrane includes a membrane body, a wax layer fixedly coated on the surface of the membrane body, control lines, and conductive electrodes, as well as detection lines fixedly coated on the surface of the conductive electrodes. The wax layer has lateral flow channels arranged along the length of the membrane body. The conductive electrodes span the lateral flow channels, with their two ends fixedly coated on the surface of the wax layer. The conductive electrodes and control lines are spaced apart along the length of the membrane body. The lateral flow immunochromatographic membrane and biosensor provided by this invention combine qualitative screening with visualized results and high-sensitivity quantitative analysis, offering simple operation, short detection time, and improved detection efficiency and reliability.

The present disclosure relates to a release film for an oxide solid-state electrolyte membrane. The release film includes a release substrate layer, and an EVA functionalized coating applied to a surface of the release substrate layer, wherein the EVA functionalized coating has a vinyl acetate content ranging from 10% to 50%. The present disclosure further relates to an oxide solid-state electrolyte membrane including the release film, an oxide solid-state electrolyte membrane body, and a carrier. The oxide solid-state electrolyte membrane body is positioned between the release film and the carrier, and the release film is bonded to the oxide solid-state electrolyte membrane body through the EVA functionalized coating.

This utility model discloses a gradient waterproofing membrane, relating to the field of waterproofing membrane technology. Its specific structure includes: a waterproofing membrane body; a first support plate fixed to the upper side of the waterproofing membrane body, with gradient water-guiding grooves spaced apart on the first support plate; a first waterproof layer installed below the first support plate; a second support plate fixed to the lower side of the waterproofing membrane body, with its two ends engaging with the two ends of the first support plate to form grooves located on the outer side of the waterproofing membrane body; the two ends of the second support plate being stepped; a second waterproof layer installed above the second support plate; and a clamping assembly installed on the first support plate, extending through the first support plate into the grooves. This utility model solves the technical problem of insufficient stability after assembly of existing waterproofing membranes.

The utility model provides a kind of nanofiltration membrane casting device, it is related to nanofiltration membrane production technical field, including first box, second box and third box, the first box, second box and third box both ends bottom are fixed with connecting rod, six The connecting rod top is rotatably connected with rotating roller, the middle part of the first box top is fixed with servo motor, the power output end of the servo motor is fixed with driving gear.This device by nanofiltration membrane body is placed in the rotating roller outside of the connecting rod top located in the left side of first box, first pre-rotating a period of time before smearing two smearing roller, so that casting membrane liquid can be smearing full smearing roller, subsequently nanofiltration membrane body sequentially passes through multiple rotating rollers, nanofiltration membrane body is coated in first box, it is gelled in second box interior, it is rinsed in third box interior, finally it is wound, to reach the effect of once processing completion and improve production efficiency.

A kind of degradable metal mesh preparation method based on 3D printing mold, the prepared degradable metal mesh has membrane body, and the membrane body has honeycomb-shaped through-hole structure;The cross section of honeycomb-shaped through-hole structure is composed of multiple regular hexagons.The preparation method comprises the following steps: S1 three-dimensional model design, S2 mold forming, S3 mold pretreatment;S4 smelting, S5 centrifugal casting, S6 cooling and demolding, S7 post-processing obtains the final degradable guided bone regeneration degradable metal mesh.Using the process of "direct 3D printing ceramic casting mold + centrifugal casting", the preparation process is high in precision and good in efficiency.

The utility model relates to ultrafiltration membrane technical field provides a kind of ultrafiltration membrane assembly for wastewater filtration, including bucket body, the inside of bucket body is provided with ultrafiltration membrane body, the left outer surface of bucket body is movably sleeved with bucket cover, further include: gasket, set up in the inner wall of bucket cover, gasket movably sleeve in the left outer surface of bucket body;Two hinges are all fixedly installed in the outer surface of bucket cover, the inside of two the hinge is movably connected with connecting column, the utility model, when using, by the setting of gasket and cover plate structure, not only make personnel conveniently dismount and replace gasket, greatly simplify gasket replacement process, so that operating personnel can quickly, conveniently maintain, save time and labor cost, while gasket can be coated in the outer surface of bucket, to ensure that liquid does not leak, greatly improve the sealing property of assembly.

This invention discloses a water treatment membrane preparation apparatus, relating to the field of membrane production technology. It includes a machine base equipped with a feeding mechanism for transferring membrane sheets. The feeding mechanism comprises: a membrane sheet support assembly, which includes a support plate capable of reciprocating between a feeding position and a discharging position on the machine base; the front side of the support plate is used to support the membrane sheets; a glue spraying assembly installed on the back side of the support plate; and a positioning assembly for positioning the membrane sheets on the membrane sheet support assembly on the machine base. During the process of the support plate entering the discharging position, the glue spraying assembly sprays glue onto the membrane sheets below the support plate. This invention allows for the simultaneous overlapping and covering of membrane sheets, as well as the application of adhesive between the membrane sheets, enabling the two processes to be performed concurrently, saving time and improving the efficiency of water treatment membrane preparation and production.

This utility model provides a reverse osmosis membrane filtration device, including a housing, a permeate membrane body installed inside the housing, a pressure plate fixedly connected to the outer wall of the permeate membrane body, a locking groove formed on the outer wall of the pressure plate, a connection port on the top of the permeate membrane body, a limiting groove and a sliding groove on the top of the housing, a rotating ring on the top of the housing, a ratchet groove partially formed on the outer wall of the rotating ring, a pressing block on the inner wall of the rotating ring, a limiting ring fixedly connected to the bottom of the rotating ring, a slider inside the sliding groove, a locking block fixedly connected to the top of the slider, a fixing plate fixedly connected to the top of the housing, a pull rod passing through the fixing plate, a positioning block fixedly connected to the left side of the pull rod, a pull plate fixedly connected to the right side of the pull rod, a spring fixedly connected to the left outer wall of the pull plate, the other end of the spring fixedly connected to the outer wall of the fixing plate, a positioning groove formed on the inner wall of the fixing plate, and a positioning strip fixedly connected to the outer wall of the pull rod. This utility model can shorten the disassembly and assembly time and significantly improve maintenance efficiency.

The utility model discloses a kind of battery cell surface film dressing tool, comprising: unwinding assembly, the free end of membrane on it extends along first plane, and adhere or parallel to one big face of battery cell;Rolling assembly, it is rolled to the free end of the membrane to one big face of the battery cell, so that membrane is tightly attached to battery cell, and eliminate bubble between membrane and battery cell.The utility model saves time and effort, film body efficiency is high, bubble between membrane and battery cell can be preferably eliminated, and mass production can be satisfied.

This invention relates to the technical field of ultrafiltration and discloses an immersion hollow fiber ultrafiltration membrane cutting device, including a machine base and an ultrafiltration membrane body. A sliding frame is fixedly connected to the upper end of the machine base. A guide groove is opened on the upper surface of the sliding frame. Synchronous feeding components for auxiliary support of the ultrafiltration membrane body are arranged on both sides inside the guide groove. A discharge slot is opened in the middle of the upper surface of the machine base. A cutting component for cutting the ultrafiltration membrane body is arranged inside the discharge slot. Two ultrafiltration membrane clamping components for fixing the ultrafiltration membrane body are symmetrically arranged above the discharge slot. After the ultrafiltration membrane body is placed, before the cutting blade rotates to complete the cutting and starts to reset, the connecting shaft winds and pulls the pull plate, which drives the synchronous rotating shaft to rotate and open the side panels. After the cutting blade resets, the ultrafiltration membrane body slides onto the two vertical beams, thereby completing the automatic cutting processing of both ends of the ultrafiltration membrane body, effectively improving the efficiency of ultrafiltration membrane body cutting processing.

This utility model discloses a storage rack type waterproof membrane storage device, belonging to the field of waterproof membrane storage. The storage rack type waterproof membrane storage device includes a storage rack body. The inner wall of the storage frame and the surface of the pull-out base plate are provided with a convenient retrieval mechanism. The surface of the waterproof membrane body and the first limiting frame are provided with a clamping limiting mechanism. The inner wall of the storage rack body and the surface of the storage plate are provided with a quick inventory mechanism. This utility model not only improves the efficiency of users in retrieving and placing waterproof membrane bodies, making the process of retrieving and storing waterproof membrane bodies more convenient and easy to use, but also ensures that the waterproof membrane bodies are always in a suspended state and not squeezed together. Furthermore, it allows for real-time monitoring of the retrieval and storage status of the waterproof membrane bodies, making inventory checks clearer for staff.

This utility model discloses a PTFE waterproof and sound-permeable membrane, belonging to the technical field of microphone waterproof and sound-permeable membranes. It includes a bottom ring, with an installation groove on the inner side of the top of the bottom ring. A limiting ring is fixed to the top of the bottom ring, and blocks are evenly arranged on the inner sidewall of the limiting ring. A pressure ring is slidably connected inside the limiting ring, and limiting blocks matching the size of the blocks are evenly arranged on the outer side of the pressure ring. A PTFE waterproof and sound-permeable membrane body is disposed between the pressure ring and the bottom ring, and a protective component is provided on the top of the PTFE waterproof and sound-permeable membrane body. This utility model can fix the waterproof and sound-permeable membrane by staggered insertion and rotational alignment of the pressure ring and the blocks inside the limiting ring, achieving springless fixation. This structure avoids the high-precision manufacturing difficulties of spring installation, and the engaging components are easy to disassemble for maintenance, eliminating the risk of damage to minor parts, reducing mass production costs and maintenance difficulty, and improving structural reliability and practicality.

This utility model relates to the field of pure water equipment technology, specifically to an integrated RO reverse osmosis EDI ultrapure water equipment, including a fixed support. Several reverse osmosis membrane tanks are fixedly connected to the upper end of the fixed support. A movable tank is fixedly connected to the outer wall of each reverse osmosis membrane tank. A connecting rod is slidably connected to the inner cavity of the movable tank. A connecting frame is provided at one end of the connecting rod extending outside the movable tank. A connecting plate is fixedly connected to one side of the connecting frame, and a connecting ring is fixedly connected to one side of the connecting plate. A fixed ring is movably fitted into the inner cavity of the connecting ring. A first connecting pipe is fixedly connected to the inner cavity of the fixed ring, and one end of the first connecting pipe is fixedly connected to a reverse osmosis membrane body. Compared to the prior art, this application allows the reverse osmosis membrane body to be moved relatively smoothly out of the reverse osmosis membrane tank with only one operator, making the reverse osmosis membrane body easy to replace and improving the efficiency of replacing multiple reverse osmosis membrane bodies.

The utility model provides a kind of membrane structure, pole piece assembly and battery, membrane structure includes membrane body and adhesive layer, adhesive layer is arranged in one side of membrane body, adhesive layer is configured to be connected with pole piece, there are multiple gaps in adhesive layer, gap is configured to accommodate electrolyte;Wherein, by being provided with gap in adhesive layer, during battery injection process, gap can store electrolyte, so that more electrolyte can be accommodated in battery, to improve the situation that the pole piece with high compaction density is not easy to inject enough electrolyte into battery due to low wettability and liquid storage capacity, to ensure the cycle life of battery.

The utility model discloses a kind of decorative film water-based printing device, it is related to decorative film printing technical field, including feeding frame and printing equipment, the feeding frame is fixedly installed in the side of printing equipment, the upper portion of feeding frame is equipped with feeding mechanism for intermittently feeding its cylindrical decorative film, feeding mechanism includes: switching component includes the rotary plate being set in the upper portion of feeding frame, when staff places cylindrical decorative film in mounting frame, membrane body self gravity will press down bottom end limit block, under the transmission of driving rod effect makes two side end limit block relative movement, cooperate limit roller and form preliminary clamping limit to both ends of membrane body, after current work position membrane body printing is completed, rotary cylinder drives rotary plate and rotates 180 °, realizes the position exchange of double workstations, so that new membrane body quickly enters work position, simultaneously can be disassembled and replaced to roll shaft used, effectively reduce feeding waiting time, improve the continuous operation efficiency of printing equipment.