3062results about How to "Improve separation efficiency" patented technology

The invention belongs to the technical field of perovskite solar cells, and particularly discloses a carbazolyl conjugate enhanced self-assembled monomolecular layer and a preparation method and application thereof, and the self-assembled monomolecular layer takes carbazole as a substrate and an aromatic ring as a conjugate linking group. The highly conjugated molecular system can induce molecular orbital overlap, increase dipole moment, promote formation of a compact self-assembled monomolecular film, reduce interface non-radiative recombination and enhance hole extraction and transmission performance. Meanwhile, phosphoric acid is used as an anchoring group, so that firm self-assembly of SAM molecules on the surface of the ITO substrate can be realized. The SAM material is simple in preparation method, high in yield, low in preparation cost and good in stability. When the compound is applied to a trans-perovskite solar cell as a hole transport layer, photoelectric conversion efficiency exceeding 24.6% can be obtained, and the compound is an organic semiconductor material with a very good prospect.

The invention relates to a backside illuminated image sensor and a preparation method thereof, and electronic equipment, and relates to the technical field of integrated circuits, the backside illuminated image sensor comprises a substrate, and photodiodes and laminated target isolation structures which are located on a first surface of the substrate, are alternately arranged along a first direction parallel to the first surface, and extend towards the substrate; the substrate internally comprises a plurality of trench isolation structures which extend into the substrate through the first surface and are arranged at intervals in the first direction; the trench isolation structures and the laminated target isolation structures right above the trench isolation structures are arranged in a one-to-one manner; the laminated target isolation structure comprises isolation parts and insulation parts which are sequentially and alternately laminated along a second direction deviating from the substrate; the photodiode comprises at least two photosensitive layers which are sequentially stacked in the second direction, the longitudinal sections of the photosensitive layers are T-shaped, one photosensitive layer makes contact with the first surface of the substrate, substrate damage caused by ion implantation can be avoided, and meanwhile the photoelectric conversion efficiency and the quantum efficiency are improved.

The invention relates to the technical field of waste tire recovery, in particular to a steel wire separation device for waste tire recovery. Comprising a chassis; the number of the rotating shafts is two, and the rotating shafts are rotationally connected to the bottom frame; the number of the separating rollers is the same as that of the rotating shafts, and the separating rollers are arranged on the adjacent rotating shafts respectively; the supporting rod is fixedly connected to the bottom frame; the supporting cylinder is fixedly connected to the supporting rod; the auger rod is rotationally connected between the bottom frame and the supporting cylinder; and the cutting mechanism is arranged on the upper side of the bottom frame and used for cutting off the steel wire stripped from the tire opening ring. By means of the separation roller, the movement directions of the tire opening ring in the rubber and steel wire separation (the tire opening ring outer layer rubber crushing process and the steel wire discharging process) process are consistent, and therefore the situation that in the existing separation technology, a single-side feeding and discharging mode is adopted, and consequently the efficiency is low when steel wires in the tire opening ring are separated is avoided.

The invention discloses a preparation method of a reverse osmosis membrane and the reverse osmosis membrane. The preparation method comprises the following steps: (1) adding polyethersulfone into N, N-dimethylacetamide in a heating and stirring state, and stirring for a period of time after charging is completed, so as to obtain a mixed solution; (2) cooling the mixed solution, continuing to add a pore-foaming agent, and stirring for a period of time after charging is completed to obtain a precursor solution; (3) performing vacuum defoaming treatment on the precursor solution to obtain a membrane casting solution; (4) loading the membrane casting solution on a carrier, and then carrying out gel bath treatment to obtain a base membrane; and (5) performing polyamide treatment on the surface of the base membrane to obtain the reverse osmosis membrane. The preparation method disclosed by the invention is simple in process and low in material cost, and the obtained reverse osmosis membrane has more uniform and more through-type pore structures, higher separation efficiency, more excellent chemical stability and better mechanical properties, can adapt to higher operation pressure, and can continuously and stably operate at higher flux under high pressure.

The utility model discloses a full-automatic whole blood sample pretreatment device for separating plasma through immunomagnetic beads. The full-automatic whole blood sample pretreatment device comprises a plasma separation mechanism for extracting a plasma sample from a whole blood sample, a conveying mechanism for conveying a blood collection tube and a sample cup, and a feeding mechanism for providing the sample cup, the plasma separation mechanism comprises a sample loading and shaking module for uniformly mixing a whole blood sample in the blood collection tube, a puncture sampling module for collecting the whole blood sample or the plasma sample, and a magnetic separation module for separating the plasma sample; the magnetic separation module comprises an oscillation assembly, a magnetic attraction assembly and a reaction cup, and freeze-dried immunomagnetic beads and an antibody reagent are pre-stored in the reaction cup. The device provided by the utility model can be used for comprehensively and automatically pretreating a whole blood sample and improving the quality and the efficiency of plasma separation.

The invention discloses a pipeline combined type single-autorotation intelligent counter-current chromatograph, and relates to the technical field of counter-current chromatographs, the pipeline combined type single-autorotation intelligent counter-current chromatograph comprises a rotating disc, a surrounding separation channel is formed in the rotating disc, a filling block is mounted in the surrounding separation channel, one end of the rotating disc is rotatably mounted through a liquid slip ring, and the other end of the rotating disc is rotatably mounted through a liquid slip ring. The other end of the rotating disc is connected with a main shaft, the main shaft is connected with a driving device, unwinding is conducted in a liquid slip ring mode, the rotating disc can complete unwinding action under single rotation, mixing of two phases in the separation channel can be enhanced through a filling block, and therefore arrangement of a planetary gear train can be abandoned; the main shaft is directly driven by the driving equipment to rotate, and the main shaft drives the rotating disc to rotate to realize two-phase separation and extraction, so that a higher rotating speed can be obtained, and the separation efficiency and effect are improved; and secondly, after the planetary gear train is abandoned, the equipment noise is greatly reduced, and good dynamic balance is achieved.

The invention relates to a gas recovery well downhole multistage gas flow self-adaption cyclone separation device which comprises a degassing structure and a deposition reinjection structure, the degassing structure comprises a first-stage gas-liquid separation module, and the first-stage gas-liquid separation module comprises a gas-liquid inlet outer pipe, an upper gas pipe, a gas return spiral flow channel, a vent pipe, an upper liquid gathering conical pipe and a gas return liquid conveying conical pipe; an upper air guide pipe is arranged on the upper portion of the air return spiral flow channel, an air return conical cavity is formed in the air return spiral flow channel, the upper air guide pipe is communicated with the air return conical cavity, a lower port of the air return conical cavity is in butt joint with an air return infusion conical pipe, and the upper air pipe penetrates out of the upper air guide pipe. An annular space between the vent pipe and the upper air pipe and an annular space between the upper air guide pipe and the upper air pipe form an upper air channel; the upper liquid gathering conical pipe surrounds the outside of the air returning and liquid conveying conical pipe; the deposition reinjection structure comprises a lower spiral flow channel, a lower liquid gathering conical pipe, an inverted cone and a centrifugal pump. The coalescence reinjection technology and the rotational flow technology are combined, the efficiency is high, and the service life is long.

The invention discloses a gas-liquid separation and washing integrated device and method for hydrogen production through water electrolysis. The device comprises a hydrogen side gas-liquid separation unit, a hydrogen side washing unit, an oxygen side gas-liquid separation unit, an oxygen side washing unit and a pressure balance unit. The hydrogen side gas-liquid separation unit is coupled with the hydrogen side washing unit, the oxygen side gas-liquid separation unit is coupled with the oxygen side washing unit, and the hydrogen side gas-liquid separation unit is coupled with the oxygen side gas-liquid separation unit through the pressure balance unit. According to the invention, the gas-liquid separation and washing processes of the hydrogen-oxygen electrolyte are integrated in one device, so that the number of the whole equipment of the process for producing hydrogen by electrolyzing water is reduced, the complexity of the whole process is reduced, and the compactness of the process equipment is improved, thereby improving the whole operation efficiency of the process. And hydrogen and oxygen are separated at the same time and collected separately, so that the process requirements and safety specifications of gas-liquid separation of the hydrogen-oxygen electrolyte in a water electrolysis hydrogen production process are well met, and the operation efficiency of the whole hydrogen production process is improved.

The invention is applicable to the technical field of porous materials, and relates to multistage ordered macroporous-mesoporous titanium dioxide and a preparation method and application thereof, and the preparation method comprises the following steps: (1) preparing a superstructure photonic crystal solid; (2) forming a light yellow solution with the concentration of 0.2-0.5 mol / L; and (3) adding the superstructure photonic crystal solid in the step (1) into the light yellow solution in the step (2) to prepare the multistage ordered macroporous-mesoporous titanium dioxide. The preparation method has the beneficial effects that in the preparation method of the multistage ordered macroporous-mesoporous titanium dioxide disclosed by the invention, the stability of a mesoporous superstructure unit can be ensured, and accurate and perfect copying of a pore channel structure can be realized; the separation efficiency of photo-generated charges and photo-generated holes of the titanium dioxide disclosed by the invention in photocatalytic water decomposition is greatly improved, and due to the multi-stage ordered macroporous-mesoporous structure, multiple scattering of incident light in a porous frame can be ensured, so that the efficiency of hydrogen production by photocatalytic water decomposition is improved.

The invention discloses an environment-friendly waterproof paint spraying device and method, and relates to the technical field of environment-friendly spraying, the environment-friendly waterproof paint spraying device comprises a bottom plate and further comprises a material uniformizing device, a liquid storage barrel is fixedly mounted at the top of the bottom plate, a feeding pipe is fixedly mounted at the top of the liquid storage barrel, and a discharging pipe is fixedly mounted on the circumferential surface of the liquid storage barrel; a high-pressure pump is fixedly installed on the left side of the discharging pipe, a hose is arranged on the right side of the high-pressure pump, a high-pressure spray head is arranged at the end, away from the bottom plate, of the hose, and the material uniformizing device comprises a servo motor, a stirring rod, a hollow rod, a driving rod, a stabilizing block, an arc-shaped plate and an extrusion block; the coating in the liquid storage barrel can be effectively turned over through the reciprocating movement of the cambered surface plate, and the coating is prevented from being precipitated or layered in the storage process, so that the quality of a sprayed coating is improved, and the phenomenon of bubbles or uneven spraying is reduced.

The invention discloses a purification device for producing electronic-grade hydrofluoric acid, which relates to the technical field of hydrofluoric acid production, and comprises a rectifying tower body, tower plates movably connected in the rectifying tower body at equal intervals, overflow weirs fixedly connected on the tower plates, a rotating speed convenient regulation and control mechanism and a state monitoring feedback mechanism, the follow-up rod and the tower plates installed on the outer surface of the follow-up rod can be driven to synchronously rotate in the rectifying tower body, so that the gas-liquid contact area is increased, the gas-liquid contact time is prolonged, the mass transfer process between gas and liquid phases is promoted, in the rectifying process, the separation efficiency and purity can be improved, impurities in raw materials can be removed more easily, and the product quality is improved. And the rotation of the tower plate can enhance the mixing of the liquid on the tower plate, so that the liquid is more uniformly distributed on the tower plate, the residence time and dead zone of the liquid on the tower plate are favorably reduced, and the separation efficiency is further improved.

The present invention relates to the field of tire processing technology, in particular to an environmentally friendly processing device for recycling and utilizing waste tire rubber, comprising a crushing box, a first material guide block is provided at the lower left end of the crushing box, a first belt conveyor is provided on the first material guide block, a crushing assembly is provided inside the crushing box, a screening box is provided at the left end of the first belt conveyor, a disc screen assembly is provided inside the screening box, two support blocks are fixedly provided on the outer wall of the screening box in a symmetrical structure, a reflux block is installed at the lower end of the screening box, the reflux block is in an inclined structure, the lower right end of the reflux block is connected to the upper end of the crushing box, a second material guide block is provided at the lower end of the screening box, and a steel wire processing box is provided at one end of the second material guide block. It is convenient to crush and separate steel wire and rubber in waste tires, ensure the efficient separation of steel wire and rubber, improve the processing efficiency and crushing effect of waste rubber tires, improve the quality of recycled rubber, and provide strong technical support for the recycling and utilization of waste tires.

The invention provides a coalescence-selective filtration-deep bed filtration efficient oil-water separation system which comprises a coalescence system, a selective filtration system and a deep bed filtration system, oily wastewater enters a coalescer, and tiny oil droplets are coalesced into larger oil droplets through wetting coalescence and collision coalescence; the coalesced wastewater enters a selective filter, oil droplets and water respectively flow out through an oil channel and a water channel, and primary separation is realized; according to the present invention, the water after the primary separation enters the deep bed filter to achieve the deep separation, the efficient oil-water separation and the water quality standard discharge or reuse are achieved through the combination process of coalescence, selective filtration and deep bed filtration, and the system has advantages of high treatment efficiency, low energy consumption, less carbon emission, oil and water recycling, or water standard discharge.

The invention relates to the technical field of wastewater treatment, in particular to an intelligent wastewater recovery and zero discharge control system, which is suitable for efficient separation and resource utilization of high TDS (total dissolved solids) and high COD (chemical oxygen demand) wastewater, and realizes intelligent control and resource utilization of a wastewater treatment process by combining a dynamic Bayesian network and a deep reinforcement learning algorithm. According to the system, wastewater with high TDS (Total Dissolved Solid Concentration) and high COD (Chemical Oxygen Demand) is treated by monitoring wastewater characteristics in real time, dynamically optimizing operation parameters and adopting a cross-flow PON (Passive Optical Network) pollution-resistant design and a POM (Polyoxymethylene) wide flow channel design, so that the aims of efficient separation, deep concentration and zero emission are fulfilled.

The invention belongs to the technical field of waste recycling, and discloses a textile fiber waste separating and recycling device and a recycling method.The textile fiber waste separating and recycling device comprises a recycling box, a feeding opening is fixedly formed in the top end of the recycling box, a crushing assembly is arranged below the feeding opening, and a separating assembly is arranged in the recycling box; when textile fiber waste is separated and recycled, firstly, the textile fiber waste is crushed through a crushing roller, the crushed waste falls to the top end of a material guide plate and finally moves into a first collecting box to be collected, meanwhile, negative pressure is formed in the recycling box through starting of a fan, and the waste with low density in the crushed waste is sucked away; and finally, after being blocked by the filter plate, the waste downwards falls into the second collecting box to be collected, the waste is separately collected through the first collecting box and the second collecting box, and the separation efficiency of the textile fiber waste is improved.

The invention relates to the technical field of preparation of polymer oil-water separation membranes, in particular to a preparation method, a product and application of a hydrophilic PLA oil-water separation membrane. The preparation method of the hydrophilic PLA oil-water separation membrane comprises the following steps: dissolving polylactic acid in an organic solvent to obtain a spinning solution; carrying out electrostatic spinning on the spinning solution to prepare a PLA nanofiber membrane; the PLA nanofiber membrane is soaked in a dopamine hydrochloride solution, then membrane cloth is taken out, washed and dried, and the hydrophilic PLA oil-water separation membrane is obtained. The preparation method is low in cost and simple in preparation process. The PLA (at) PDA nanofiber membrane prepared by the preparation method disclosed by the invention is relatively high in oil-in-water emulsion separation efficiency and relatively high in separation rate, and has a good separation effect on n-hexane, gasoline, petroleum ether, peanut oil and the like, and the separation efficiency can reach 98% or above. The PLA (at) PDA nanofiber membrane disclosed by the invention is simple and convenient to apply and does not cause secondary pollution.

The invention discloses sewage treatment equipment suitable for urban sewage treatment, and relates to the technical field of sewage treatment.The sewage treatment equipment comprises a barrel, a discharging hopper is fixedly connected to the top of the barrel, the discharging end of the discharging hopper is located in the barrel, a T-shaped block is fixedly connected to the interior of the barrel, and an arc-shaped annular plate is fixedly connected to the middle of the top of the T-shaped block; a through hole is formed in the outer side of the arc-shaped annular plate, an extension hole is formed in the T-shaped block, a hollow ball is slidably connected into the extension hole, a round rod is fixedly connected to the top of the hollow ball, and a floating ball is fixedly connected to the end, away from the hollow ball, of the round rod. According to the sewage treatment equipment suitable for urban sewage treatment, separation can be better achieved through the surface tension difference of oil and water through the arc-shaped narrow opening, when an oil-water mixture passes through the arc-shaped narrow opening, due to the effect of surface tension, water tends to flow on the inner side of the narrow opening, oil flows on the outer side, and therefore the oil-water mixture is separated from the oil-water mixture. The oil-water separation efficiency is favorably improved.

The microbial petroleum decontamination wastewater treatment device comprises an oil separation tank, pump bodies are installed at the front center and the rear center of the oil separation tank, an inclined plate is attached to the bottom of the oil separation tank, openings are formed in the positions, close to the top, of the front side and the rear side of the oil separation tank, and two penetrating openings are formed in the top of the oil separation tank; through mutual cooperation of the L-shaped fixing plate, the positioning plate, the movable plate, the rack, the reciprocating plate, the annular plate, the motor, the discharging box, the connecting plate, the guide plate, the L-shaped welding plate, the electric pole and other components, the oil separation tank can be used for oil separation, and the oil separation tank can be used for oil separation. When oil and suspended solids need to be removed, surface charges of oil drops can be reduced by scattering microorganisms, the oil drops are promoted to coalesce and float upwards, and the oil-water separation efficiency is improved.

The invention relates to the technical field of biochemical engineering and food processing, in particular to a fish collagen extraction process which comprises the following steps: S100, raw material pretreatment; s200, carrying out crushing and enzymolysis pretreatment; s300, carrying out an enzymatic hydrolysis reaction; s400, carrying out solid-liquid separation; s500, carrying out concentration treatment; and S600, drying treatment is carried out. The advanced spectrum analyzer is used for accurately determining the freshness of the fish body, the automatic cutting and ultrasonic cleaning technologies are combined, the quality of raw materials is effectively guaranteed, the enzymolysis reaction conditions are strictly controlled through the high-precision metering pump and the heat exchange system, the enzymolysis efficiency and the product quality are improved, and the production cost is reduced. By adopting a multi-layer composite membrane structure and a specific concentration technology, the efficiency and purity of solid-liquid separation and concentration treatment are remarkably improved, the production process is optimized, the energy consumption and the cost are reduced, pollutants in the production process are effectively removed through application of a plasma cleaning and air purification system, and the product quality is improved. And reliable guarantee is provided for production of high-quality fish collagen products.

The invention relates to the technical field of pulverized coal separation, in particular to a cyclone separator, a pulverized coal separation system and a cyclone separator structure optimization method.The cyclone separator comprises an air inlet unit which comprises an air inlet assembly and a separation assembly connected with the air inlet assembly; and the discharge unit comprises an exhaust assembly arranged on the inner side of the separation assembly and a dust discharge assembly arranged at the bottom of the separation assembly. The cyclone separator has the beneficial effects that by arranging the spiral channel, the centrifugal force after dust-containing gas enters can be increased, the dust particle separation efficiency is improved, the longitudinal circulation phenomenon at the top of the separator can be effectively avoided, the influence of a top ash ring is relieved, and mutual interference of airflow in adjacent inner and outer rotational flows is avoided; and the number of particles of large-particle-size dust entering the exhaust pipe through longitudinal circulation is reduced, the flow field can be stabilized, the separation performance is improved, and the separation efficiency of small-particle-size dust is improved.

The invention belongs to the field of organic electroluminescence, and discloses an electron transport layer material and a preparation method and application thereof. The structure of the material of the electron transport layer is as shown in a chemical formula I: # imgabs0 #. The compound of the material of the electron transport layer provided by the invention is composed of 9-alkyl-9-phenylfluorenyl, a triazine group and cyano-substituted aryl or heteroaryl, and the groups have high electron affinity to form an efficient electron transport channel; the organic light-emitting material also has good thermal stability, and as an electron transport layer material of an organic electroluminescent device, the organic light-emitting material has the characteristics of low driving voltage, high luminous efficiency and long service life.

The invention belongs to the technical field of film recycling, and discloses a waste film recycling device which comprises a base, a supporting box is installed at the top of the base, a box body is fixedly connected to the top of the supporting box, a feeding hole is formed in the side wall of the box body, a conveying frame is installed at the feeding hole, and a supporting plate is fixedly connected to the bottom of the conveying frame. A second belt conveyor is installed on the inner wall of the conveying frame, second sliding holes are formed in the two sides of the conveying frame correspondingly, second sliding blocks are slidably connected to the inner walls of the two second sliding holes correspondingly, the plastic film is conveyed through the second belt conveyor, and the plastic film is dried through a second drying machine; dust is blown into the box body through an air blower, dust diffusion generated during drying is avoided, and therefore clods on the surface of the plastic film can be dried in the plastic film conveying process, the pressure of equipment for later cleaning is reduced, the effect of saving water is achieved, and the cleaning cost is reduced.

The invention relates to the technical field of intelligent control, and discloses a centrifugal machine and a control system thereof, and the system comprises an acquisition unit which acquires feeding data to determine an inner centrifugal speed and an inner and outer centrifugal speed difference; the judging unit is used for collecting solid discharging data within preset time and judging whether the centrifugal effect of the shot blasting medium is qualified or not according to the solid discharging data; if not, waste liquid discharge data and the surface pressure of the spiral blade are collected, and whether high-pressure gas is opened or not is judged; when it is judged that centrifugation is unqualified, the processing unit collects temperature data and vibration data in the centrifugal machine to determine real-time characteristic factors, the real-time characteristic factors are compared with historical adjustment data to determine adjustment coefficients, and the inner centrifugal speed is adjusted; the correction unit collects second solid discharging data running at the adjusted inner centrifugal speed and judges whether the adjustment coefficient is corrected or not; the storage unit stores the real-time feature factors and the adjustment coefficients. The stability, the separation effect and the adaptability of the centrifugal machine are improved, and the requirement for manual intervention is lowered.

The invention discloses an efficient sewage treatment device based on a magnetic separation technology, and relates to the technical field of sewage treatment, and the efficient sewage treatment device comprises a composite mechanism. According to the efficient sewage treatment device based on the magnetic separation technology, through the design of a composite mechanism, sewage enters the composite shell from a feeding pipe, impurities in the sewage are adsorbed through a filter plate, so that the effect of purifying the sewage is achieved, the contact area is increased by forming a plate surface groove and opening the groove, the filter effect is improved, and the service life of parts is prolonged; a first electric push rod controls an annular plate to rub a filter plate up and down in the composite shell, so that the effect of cleaning impurities on the surface is achieved, impurity precipitation is reduced, the rubbed impurities are precipitated towards an output mechanism, subsequent discharge from the output mechanism is facilitated, filtered sewage is discharged from a discharge pipe, and subsequent operation is facilitated.

The present invention discloses a solid-liquid separation device and a solid-liquid separation method using compressed air as a power source, comprising a device body, a reflux trough, a solid-liquid separation zone, a sludge concentration zone, a clean water trough, an inclined plate and an air lift pipe, one end of the inclined plate is connected to the air lift pipe, the other end of the inclined plate is inclined downward and forms a sludge port with the bottom of the device body, the air lift pipe is connected to a compressed air pipe, compressed air enters from the compressed air pipe to drive the air lift pipe to lift sewage to be solid-liquid separated to the upper end of the reflux trough, the sewage descends and refluxes along the upper end of the reflux trough, enters the solid-liquid separation zone through the opening at the lower end of the reflux trough along the inclined plate, the sewage undergoes solid-liquid separation in the solid-liquid separation zone, the clean water flows upward to the clean water trough, the concentrated sludge descends to the sludge concentration zone and is discharged from the device body through the sludge port. It has the characteristics of being simple, efficient, land-saving, and having good applicability, effectively solves the problem of solid-liquid separation in sewage treatment, and is suitable for popularization and application.

The invention relates to a method for extracting lithium from aluminum-lithium alloy waste, which comprises the following steps: dissolving the aluminum-lithium alloy waste by using acid, and then evaporating the mixed solution obtained by dissolving to obtain a crystal to be treated; roasting the to-be-treated crystal, so that lithium and other metal elements in the to-be-treated crystal exist in different forms, and obtaining roasted powder; and the roasted powder is leached, and a leaching mixed solution is obtained. According to the method, all elements in the aluminum-lithium alloy waste are dissolved into ions through acid, aluminum salt, magnesium salt and the like in the crystals to be treated are converted into oxides through roasting, lithium can be leached into the solution through leaching, the purpose of lithium extraction is achieved, the method is easy to operate, the process is short, the lithium extraction rate is high, and the method is suitable for industrial production. The problem that the efficiency of extracting lithium from the aluminum-lithium alloy waste is low at present is solved.

The invention relates to the technical field of wastewater treatment, and discloses a papermaking sludge dewatering and cake forming device which comprises a plate-and-frame filter press main body and a sludge storage assembly arranged above the plate-and-frame filter press main body, the sludge storage assembly comprises a first plate frame, a sliding plate, a rotating shaft and an electric heating copper rod, the first plate frame is slidably connected to the interior of the plate-and-frame filter press main body, and the sliding plate is arranged in the plate-and-frame filter press main body; the sliding plate is slidably connected into the first plate frame, the rotating shaft is rotatably connected into the sliding plate, and supporting frames are symmetrically and fixedly connected to the two sides of the top of the first plate frame; when a second plate frame is separated from a first plate frame, a pressing plate does not extrude a sliding plate any more, the sliding plate can move upwards after being separated, an electric heating copper rod rotates through meshing of a toothed plate and a gear, and therefore it is guaranteed that the outer wall of the electric heating copper rod is separated from the bonding state with a mud cake in the first plate frame due to autorotation, and the situation that the mud cake is stuck to the mud cake is reduced when the mud cake is separated from the interior of the first plate frame. And the first plate frame is adhered to the inner cavity of the first plate frame so as not to be separated cleanly.

The invention discloses a method for recovering all components of a waste lithium battery. The method comprises the following steps: finely disassembling the waste lithium battery to obtain a positive plate, a negative plate, a shell and a diaphragm; respectively carrying out electrochemical powder removal on the positive and negative plates by using pulse current to obtain an aluminum foil, positive powder and an electrolytic mother solution I after the powder removal of the positive plate, and obtaining a copper foil, negative powder and an electrolytic mother solution II after the powder removal of the negative plate; lower-layer inorganic components of the electrolytic mother liquor I and the electrolytic mother liquor II are used as electrolytes and are respectively returned to the positive plate and the negative plate for electrochemical powder removal, and upper-layer organic components can be used as organic fluorine raw materials; preferentially extracting lithium from the positive electrode powder to obtain a lithium salt, and extracting nickel, cobalt and manganese to obtain a nickel salt, a cobalt salt and a manganese salt; and purifying and repairing the negative electrode powder to obtain lithium salt and graphite carbon powder. According to the invention, high-efficiency fine separation and recovery of each component of the waste lithium battery can be realized, the recovery rate and purity of positive electrode powder, negative electrode powder, copper foil, aluminum foil and the like are relatively high, and diaphragms and fluorine resources can be completely recovered.

The invention discloses a comprehensive silt treatment method for a water conservancy project, and belongs to the field of silt treatment. A comprehensive silt treatment method for a water conservancy project comprises the following steps that firstly, treatment equipment is moved to the position of silt to be treated, and the silt is pumped into the treatment equipment through an underflow pump; 2, the treatment equipment can stir the silt, so that floating objects attached to the silt are separated from the silt; thirdly, the separated floating objects can float on the liquid level, and the treatment equipment can fish and collect the floating objects; 4, the size of the discharging position of the floating object is adjusted according to the height of the liquid level, the discharging speed of the sediment is adjusted, and the height of the liquid level is controlled; the problems that floating objects in silt are inconvenient to treat, separation of impurities such as stones is affected, silt recycling is not facilitated, the dehydration efficiency is low, and the conveying cost is high can be solved.

The invention discloses a method for preparing cellobiose and comprehensively utilizing a by-product of cellobiose. The method is characterized by specifically comprising the following steps: (1) dilution, (2) enzymolysis, (3) flocculation and carbon explosion, (4) decoloration, (5) continuous ion exchange, (6) evaporation and concentration, (7) simulated moving bed chromatographic separation, (8) concentration, (9) finished product preparation and (10) raffinate utilization. The method effectively solves the problems of low preparation purity and high production cost of cellobiose.