110 results about "Membrane feeding" patented technology

Direct-osmosis (DO) method for cleaning a semi-permeable membrane in a RO separation module, the membrane having a feed side with foulant located thereon, and an opposite permeate side. A normal RO separation process in the same module includes: feeding, under gauge pressure PGr, raw saline solution having osmotic pressure POr to the membrane feed side; collecting permeate (solvent) having osmotic pressure POp from the permeate side, under gauge pressure PGp; and removing residual brine from the membrane feed side. The method comprises feeding to the feed side of the membrane, for a predetermined injection time, super saline solution having osmotic pressure POs>POr, such that backward flow of permeate towards the feed side of the membrane is provided so as to lift the foulant from the feed side.

The invention discloses a method for detoxifying, emission-reducing and deeply treating wastewater of electronic electroplating industry. The method disclosed by the invention integrates the processes of micro-electrolyzing and breaking complex of iron-carbon, collecting via a heavy metal collector, coagulating and precipitating, biologically contacting and oxidizing, secondarily precipitating and absorbing via modified chitosan for detoxifying, reducing emission and deeply treating wastewater of electronic industry. The method disclosed by the invention is characterized in that the emission of secondary treatment (biochemical pool) wastewater is further reduced on the basis that the main indexes reach the national standard and toxic organic matters mainly consisting of benzene series are removed; and meanwhile, the wastewater can be deeply treated, so that the recycled water reaches the membrane-feeding requirement and separates are recycled.

The invention relates to a method for processing plastic floor material by utilizing PVC waste material, including: (1) PVC waste material is cleaned, dried and smashed and is subject to extrusion filtering at 130-150 DEG C by virtue of an extrusion machine, so that impurities are removed, and plasticizer is added, so as to form membrane feed back; (2) PVC resin, plasticizer, stabilizer, foaming agent and filler are added into the membrane feed back, mixing is carried out to obtain mixture, the mixture is subject to banburying at 140-160 DEG C for 150-220s, then is subject to milling at 140-160 DEG C for 3min and then is subject to extrusion filtering at 140-160 DEG C by virtue of the extrusion machine, and the working speed of the extrusion machine is 300r/min, film is made by virtue of a calendaring machine, and film pressing temperature is 130-160 DEG C; (3) the film is compounded onto a surface course coated with wear layer at 170-190 DEG C, heating foaming plasticizing and drying are carried out at 200-220 DEG C by virtue of a baking oven, and then cooling, trimming and crimping are carried out, thus forming the product. The invention utilizes PVC waste material to produce film, the produced film substitutes the blade coating foaming layer in plastic floor production process, production cost is reduced, recycling of waste PVC material is realized, and plentiful natural resources are saved.

The invention relates to a packer, in particular to a three-dimensional packer for a square object. The three-dimensional packer comprises a membrane feeding device, wherein the membrane feeding device comprises a membrane cutting device and a membrane conveying device; the membrane cutting position is positioned on the upper end of the membrane conveying device; the membrane cutting device comprises a fixed cutter, a rotating cutter and a guard plate spindle; the rotating cutter is fixed on the guard plate spindle; the rotating cutter rotates along with the guard plate spindle; and the rotating cutter and the fixed cutter are enclosed in the rotation process. The rotating cutter is provided with four cutter blades along the axial direction, so that the packaging speed can be accelerated, and the packaging effect is enhanced.

The invention relates to a pillow-type high-speed packagingdevice, which comprises a supplying device for storing and supplying materials, a sorting device for conveying materials supplied by the supplying device along a conveying route, a membrane delivery device for supplyingpackaging material, and a longitudinal sealing device and a transverse sealing device which are sequentially arranged behind the sorting device, wherein the membrane delivery device comprises a membrane feeding mechanism which automatically replaces the packaging material without stopping and a tubular membrane wrapping mechanism which guides the packaging material to a longitudinal tubular shape; the longitudinal sealing device longitudinally seals the tubular packaging material; and the transverse sealing device transversely seals and cuts off the tubular packaging material which is longitudinally sealed, the transverse sealing device comprises an upper flower scissor and a lower scissor, which are parallel to each other, and a transverse sealing surface of the lower scissor is provided with a concave surface for accommodating the packaging material at the longitudinal sealing part. The pillow-type high-speed packaging device has the advantage of continuous, rapid and stable packing.

The invention discloses a lithium ion battery core cladding winding machine for laser film production. The lithium ion battery core cladding winding machine mainly comprises a rack, a winding device, a positive pole piece feeding conveyor, a negative pole piece feeding conveyor, and upper membrane feeding conveyor and a lower membrane feeding conveyor, wherein the positive pole piece feeding conveyor comprises a positive pole piece laser cutting mechanism which is arranged on the conveying path of the positive pole piece feeding conveyor and is used for cutting positive pole lugs on a positive pole piece; and the negative pole piece feeding conveyor comprise a negative pole piece laser cutting mechanism which is arranged on the conveying path of the negative pole piece feeding conveyor and is used for cutting negative pole lugs on a negative pole piece. The winding machine adopts laser to cut the pole pieces to form guiding lugs, the burr is small, the edges of the pole pieces are free of duslting, the combined efficiency is higher than that of an existing single winding machine, the manufacturing technology is reduced, the reliability is improved, and simultaneously continuous and uninterrupted production can be realized.

The invention discloses a large plastic needle assembly machine. The large plastic needle assembly machine comprises a rack. A rotating plate is arranged on the rack. A plurality of assembly stations are arranged in the peripheral direction of the outer circle of the rotating plate. The rack is further provided with a drip chamber feeding mechanism, a two-way feeding mechanism, an air filter membrane feeding mechanism, a protective cover feeding mechanism and a large plastic needle feeding mechanism which are all arranged in the circumferential direction of the rotating plate and can feed corresponding assemblies to the assembly stations. The rotating plate is connected with a rotating drive mechanism capable of driving the rotating plate to rotate in the circumferential direction. The rack is further provided with an adhesive dispensing system. According to the large plastic needle assembly machine, manual contact with various large plastic needle assemblies is not needed, and therefore germs are not prone to attach to the large plastic needles in the packaging process, and safety is high. Besides, the automation degree is high, the assembly efficiency is substantially improved, large-scale production is facilitated, and the large plastic needle assembly machine is reasonable in overall design, simple in structure and high in practicability.

The invention provides an automatic membrane attachment device comprising a machine frame, a first membrane attachment device and a second membrane attachment device, wherein the first membrane attachment device and the second membrane attachment device are sequentially arranged on the machine frame. The first membrane attachment device and the second membrane attachment device each comprise a conveying mechanism, a membrane feed mechanism, a membrane attachment mechanism and a deviation rectifying and positioning mechanism. The first membrane attachment device and the second membrane attachment device are used for conducting membrane attachment on a product. Particularly, the conveying mechanism of the first membrane attachment device conveys the product, a membrane is fed through the corresponding membrane feed mechanism, the corresponding membrane attachment mechanism conducts attachment, and the corresponding deviation rectifying and positioning mechanism conducts deviation rectifying and positioning on the membrane; and after membrane attachment of the first membrane attachment device is completed, the product then enters the second membrane attachment device to be subjected to membrane attachment, automatic membrane attachment is achieved, the membrane attachment efficiency is high, the membrane attachment position is precise, manpower is saved, and the production efficiency is improved.

The invention relates to an automatic assembling machine for a medical filter. The automatic assembling machine for the medical filter comprises a power distribution control cabinet and an operation screen, wherein the power distribution control cabinet and the operation screen are arranged on a machine frame and matched with each other. A conveying device is arranged on the power distribution control cabinet and comprises a conveying frame which is arranged on the power distribution control cabinet. A conveying shaft and a conveying belt matched with the conveying shaft are arranged on the conveying frame. The conveying shaft is connected with a conveying motor. Assembling carriers are evenly arranged on the conveying belt, and a lower cover feeding device, a filter membrane feeding mechanism and an upper cover feeding device which are matched with the assembling carriers are sequentially arranged over the conveying belt from right to left. According to the automatic assembling machine for the medical filter, the assembling carriers are placed on the conveying device, and the lower cover feeding device, the filter membrane feeding mechanism and the upper cover feeding device which are matched with the assembling carriers are sequentially arranged over the conveying device from right to left so that the medical filter can be assembled automatically, the production efficiency is greatly improved, and the production cost is reduced; and meanwhile, the filter can be prevented from being infected by human factors, and potential safety hazards in the using process are eliminated.

The invention discloses a membrane feeding device on a gas analysis mass spectrometer. The device comprises a membrane press box, a front end connecting flange and a rear end connecting flange, wherein a groove is formed on the front end connecting flange and the rear end connecting flange respectively; the membrane press box is closely matched through the grooves between the front end connecting flange and the rear end connecting flange; the contact faces of the membrane press box and front end connecting flange are respectively provided with a sample inlet for inflow of a sample molecule and a sample outlet for allowing the sample molecule to flow out; and the contact faces of the membrane press box and the rear end connecting flange are provided with mass spectrometric connecting pipes. According to the device, the replacement of the membrane press box is greatly facilitated; and furthermore, connection and disconnection between a buffer chamber and the mass spectrometric sample inlet can be realized by a vacuum isolating valve in the mass spectrometric connecting pipe, thus frequent destruction to the vacuum system of the mass spectrometer is avoided. The device can be widely applied to the field of gas mass spectrometers.

A hydrogen fuel cell CCM membrane electrode combination or CCM membrane electrode assembly automatic assembling system, comprises a membrane feeding system, an PET membrane feeding system, a positioning cyclic clamp system and a hot pressing system, wherein the PET membrane feeding system places a die-cut first PET membrane on a vacuum suction plate; the membrane feeding system stacks a die-cut CCM membrane electrode at a predetermined position of the first PET membrane; the positioning cyclic clamp system transfers the vacuum suction plate having the first PET membrane and a CCM membrane electrode back to a second station of the positioning cyclic clamp system rightly facing the PET membrane feeding system; the PET membrane feeding system places a second PET membrane with an adhesive facedownward on the CCM membrane electrode; the positioning cyclic clamp system moves a combination formed by the first PET membrane and the second PET membrane into the hot pressing system for hot pressing. The system has the advantages of good lamination consistency, high positioning and alignment precision, low cost and high efficiency.

The embodiment of the invention discloses a pillow type packaging machine which comprises a limiting belt containing unit. The limiting belt containing unit is arranged at one end, for membrane feeding, of a packaging unit and comprises a first membrane containing roller. Limiting belts are overlaid on packaging membranes. By means of the packaging machine, processing and production of a pillow type packaging assembly line provided with the limiting belts can be achieved, the structure is simple, cost is low, stability is high, and the packaging quality is effectively improved.

An advanced treatment recovery technology of coking wastewater comprises the steps of sequentially implemented air floatation oil removal pretreatment, acidifying treatment, denitrification treatment and biodegradation treatment, and also comprises the following steps: 1, processing biodegraded wastewater by using an inorganic membrane filtering device, reusing parts of the obtained membrane filtrate as mineral separation process water, and allowing the residual membrane filtrate to enter a pollution resistant reverse osmosis membrane device to carry out desalination treatment; and 2, pumping the membrane filtrate obtained in step 1 into the pollution resistant reverse osmosis membrane device to carry out desalination treatment in order to remove COD, NH3-N and inorganic salts in water, and directly reusing the obtained membrane permeation liquid as circulating cooling water. The technology adopting an inorganic membrane to carry out the reverse osmosis pretreatment can solve the problems of no pollution resistance and unlikely dirt obstruction of an ultrafilter membrane, and no flocculating agent or a small amount of the flocculating agent is added by adopting inorganic membrane feeding, so the reverse osmosis pollution degree is reduced, thereby the cleaning period of the RO (reverse osmosis) membrane is prolonged, the cleaning effect is good, and the irreversible dirt obstruction of the RO membrane is avoided.

The invention discloses a closed circulating membrane concentration system which comprises a membrane unit, a circulating pump, an electromagnetic three-way valve, an on-line sulfate radical concentration tester, a booster pump and a high-pressure pump. One end of the membrane unit is connected with a liquid inlet pipe, and the other end of the membrane unit is connected with a clear liquid drain pipe and a concentrated liquid pipeline; the liquid inlet pipe is sequentially provided with the booster pump and the high-pressure pump; the on-line sulfate radical concentration tester, the electromagnetic three-way valve and the circulating pump are sequentially arranged on the concentrated liquid pipeline, and the membrane unit, the on-line sulfate radical concentration tester, the electromagnetic three-way valve and the circulating pump form closed circulating. The closed circulating membrane concentration system is mainly used for separating sulfate radicals from high-concentration monovalent ion salt, the membrane feed pressure is regulated by testing the concentration of sulfate radical ions in the concentration process of saline water, concentrated liquid drained by the system is supersaturated liquid, therefore, the draining volume is greatly decreased, energy consumption is at least reduced by 20% compared with an existing concentration system, and the number of applied membranes is also decreased by 20%.

The invention provides a recovery method of N-methyl pyrrolidone. The method is characterized by comprising the following steps: heating an N-methyl pyrrolidone material liquid with the water contentof 1-50 wt.% in a circulating tank to 30-190 DEG C; introducing the heated N-methyl pyrrolidone material liquid into a pervaporation membrane assembly to make water in the material liquid be separatedfrom the material liquid side of the pervaporation membrane and enter the permeation side, wherein the pervaporation membrane assembly comprises 1-3000 organic-inorganic or inorganic-organic hybrid membrane single-pass pipes or multi-pass pipes, an absolute pressure of the permeation side is set to be 100-15000 Pa, and a membrane feeding speed of the material liquid is set to be 0.15-1.6 m/s; after the material liquid passes through the pervaporation membrane assembly, making the material liquid on the material liquid side return to the circulating tank, and making the water on the permeationside be condensed and recovered; and performing circulation for multiple times on the material liquid in the circulating tank to obtain recovered N-methyl pyrrolidone.

The invention provides a full-automatic breather valve assembling machine, which comprises a lower cover feeding mechanism, a lower cover positioning jig, a lower cover loading mechanism, a membrane feeding mechanism, an upper cover feeding mechanism and a breather valve discharging mechanism. The full-automatic breather valve assembling machine comprises the sequential steps of feeding a breathervalve lower cover; distributing through the lower cover positioning jig; grabbing the breather valve lower cover into a rotary plate so as to enter a breather valve assembling jig; rotating the rotary plate for two times (90 degrees in total); automatically feeding a membrane; drawing the membrane into the breather valve assembling jig; rotating the rotary plate for two times (90 degrees in total); automatically feeding a breather valve upper cover; distributing through an upper cover positioning jig; drawing an upper cover into the breather valve assembling jig; rotating the rotary plate fortwo times (90 degrees in total); drawing a breather valve into a discharging pipeline through the breather valve discharging mechanism; and guiding the breather valve into a finished product box through the discharging pipeline. The full-automatic breather valve assembling machine provided by the invention is simple in structure and optimized in levels; and by utilizing the assembling machine, the process flow is simple, an assembling process is completed in the same breather valve assembling jig, and the assembling yield is ensured.

The invention discloses automatic coiling equipment for coiled materials. The automatic coiling equipment comprises a coil storage device, a head part traction device, a reeling device, a clamp membrane delivery device, a membrane feeding device, a membrane cutting device, a disc ejecting device, a tail part cutting device and a metering device, wherein the coil storage device is positioned at the upstream of the metering device and continuously conveys the coiled materials to the head part traction device; the head part traction device is positioned above the tail part cutting device to realize horizontal and vertical back-and-forth gripping action; a reeling shaft is coaxial to a circle center of a movable rotary disc of the disc ejecting device and a piston rod of an disc ejecting air cylinder; a disc core is movably connected with the movable rotary disc; the disc core and the movable rotary disc are pushed back and forth by the piston rod of the disc ejecting air cylinder and carries out surface automatic clutching together with the fixed rotary disc; a marching direction of a claw traction coiled material is perpendicular to an axial line of a transverse axle of a pinch wheel; and the metering device is fixed on the tail part cutting device. According to the automatic coiling equipment, unattended and an automatic modes are achieved, working efficiency is obviously improved, and labor cost is reduced.

The invention discloses a membrane laminating device, which comprises a working table, a guide wire installing platform, a pushing mechanism and a laminated membrane feeding mechanism, wherein the guide wire installing platform is fixed on the working table and can be used for being provided with a guide wire and is used for driving the guide wire to rotate; the pushing mechanism is fixed on the working table, is connected with the guide wire installing platform and is used for driving the guide wire installing platform to do straight line movement; and the laminated membrane feeding mechanism is fixed on the working table, is arranged at one side of the guide wire installing platform and is used for conveying membranes to the guide wire. According to the membrane laminating device provided by the embodiment of the invention, the guide wire can be controlled by the guide wire installing platform to rotate; the guide wire can be controlled by the pushing mechanism to do straight line movement; and the speed of conveying the membranes and the angle between the membrane and the guide wire can be controlled by the feeding mechanism, therefore, with the adoption of the membrane laminating device provided by the embodiment of the invention, not only can the membrane laminating winding work be accomplished independently, but also various parameters required while polymeric membranes are wound can be controlled precisely, so that the defective percentage of products is reduced greatly; and moreover the winding is completely accomplished by a machine, so that the winding speed of the polymeric membranes is accelerated, and furthermore the production efficiency is improved.

The invention discloses a laser cutting chip mounter, comprising a machine body, a control assembly, a substrate feeding structure assembly, a substrate cutting positioning assembly, a laser cutting mechanism, at least two holders, a holder conveying mechanism, a substrate feeding and blanking translation mechanism, a high temperature membrane feeding structure assembly, a membrane mounting mechanism assembly, a high temperature membrane feeding and blanking translation mechanism, and a holder exchange mechanism. The laser cutting mechanism comprises a laser generator, an optical path structure, and a cutting structure. The holder is arranged on the holder conveying mechanism. The holder conveying mechanism can drive the holder to move back and forth on a Y-axis relative to the machine body. The laser cutting chip mounter is high in working efficiency, and can accurately adjust positions of all directions of a to-be-cut camera substrate, and is high in precision, and operates in a full automatic manner. The laser cutting chip mounter accurately positions the cutting position of a camera substrate, and the cut camera substrate is even and beautiful, and the substrate can be accurately mounted on a high temperature membrane. Chip-mounting effect is good, and adaptability is good.