1464results about How to "Reduce moisture content" patented technology

The invention provides a method for precipitating nickel and cobalt in a solution containing nickel and cobalt and a cobalt nickel hydroxide product. The method comprises the following steps: step S100, carrying out a seed crystal pretreatment reaction on a nickel-cobalt-containing solution by adopting first nickel-cobalt precipitation underflow to form pretreated nickel-cobalt ore pulp; step S200, adding an alkaline precipitation inducer into the second nickel-cobalt precipitation underflow or the first nickel-cobalt precipitation overflow to carry out alkali conversion reaction to form alkali conversion crystal mush; s300, the pretreated nickel-cobalt ore pulp and alkali conversion crystal mush are continuously introduced into a reactor for a nickel-cobalt precipitation reaction, and nickel-cobalt precipitated ore pulp is obtained; step S400, continuously performing dense separation treatment on the ore pulp subjected to nickel-cobalt precipitation; s500, the third nickel-cobalt precipitation underflow is filtered and washed in sequence, a nickel-cobalt hydroxide product is obtained, and the problems that in the prior art, when nickel and cobalt are precipitated through a nickel-cobalt-containing solution, MHP is small in particle size and not prone to sedimentation, the water content of a filter cake is high, or the precipitation rate is poor, and the magnesium content is high before technical improvement are solved.

The invention provides an MHP precipitation method based on a compound alkali precipitator and application of the MHP precipitation method, and the MHP precipitation method comprises the following steps: mixing laterite-nickel ore iron and aluminum removed liquid and a compound alkali solution for precipitation reaction to obtain cobalt nickel hydroxide slurry; the compound alkali in the compound alkali solution comprises a mixture of sodium carbonate and sodium hydroxide; and carrying out post-treatment on the cobalt nickel hydroxide slurry, and separating to obtain the MHP. According to the method, a sodium hydroxide and sodium carbonate compounded system is used as a precipitator, the MHP is prepared under the cooperation of sodium carbonate and sodium hydroxide, the content of manganese in the obtained MHP is remarkably reduced, the content of nickel and cobalt in the MHP is increased, the method has important significance for reducing the cost for preparing crystals through subsequent MHP refining, meanwhile, the reaction rate is more controllable, the obtained MHP is better in filtering performance, and the method is suitable for industrial production. The water content is lower.

The utility model belongs to the technical field of geological disaster control, and discloses an anchoring device for geological disaster control. Comprising an anchoring pipe, a flowerpot, a rubber ring, a supporting rod and an inserting rod, vent holes are formed in the outer side of the flowerpot in an array mode, a mounting hole is formed in the bottom of the flowerpot, a filtering cover is mounted in the mounting hole, and the bottom of the filtering cover is attached to the anchoring pipe and the top of a mounting ring. The screw rod, the rotating ring, the transmission rod and the supporting rod are additionally arranged, the supporting rod is unfolded when the screw rod rotates, the anti-skid and anti-falling effects of the anchoring pipe are improved, the flowerpot and the anchoring pipe are fixed through the bolt, flowerpots of different sizes can be replaced according to plants of different thicknesses, the bolt is covered with the rubber ring, the bolt can be prevented from rusting, and the service life of the flowerpot is prolonged. The filter cover and the rotary drum are added, and when the water level of underground water rises, the underground water seeps through the filter screen of the rotary drum and the filter cover, so that the water content of slope soil is reduced, the shear strength of the soil body is improved, and the slope stability is further improved.

The invention relates to the technical field of drying, in particular to environment-friendly high-uniformity dipping and drying equipment which comprises a drying equipment mounting main body, closed side plates are fixedly mounted on the outer surfaces of the two sides of the drying equipment mounting main body correspondingly, and a drying box is arranged on one side of the drying equipment mounting main body; the drying device has the beneficial effects that the interior of the drying box is distributed and arranged through the drying interval fan cover, and the preheating hollow guide roller is improved, so that cooling air enters the U-shaped air duct area through the hot air inlet after being heated by the heating pipe in a centralized manner; the air flow enters a V-shaped drying air pipe through a lower air inlet groove and an upper air inlet groove to assist the drying air pipe in uniformly discharging the air to uniformly dry the base material, and then is upwards sucked out under the action of a leading-out fan, so that the air flow carries moisture evaporated by the base material to generate humid and hot air, and the humid and hot air is sucked out by the leading-out fan and is conveyed into a central fixed pipe through a humid and hot air discharging pipe; and the hot air is dispersed from the hot air radiating grooves and enters the inner side of the preheating hollow guide roller to perform non-contact heat exchange with a base material.

The invention provides a precipitation method of a heavy metal solution. Cations in the heavy metal solution comprise nickel ions, cobalt ions, copper ions, zinc ions and manganese ions, and the precipitation method comprises the following steps: step S100, carrying out a manganese conversion reaction on an alkaline substance by adopting a solution containing manganese ions to obtain a converted manganese precipitate; s200, a stabilizing agent is adopted for carrying out a stabilizing reaction on the converted manganese precipitate, and a stable manganese precipitate is obtained; step S300, adding the stable manganese precipitate into a heavy metal solution for precipitation reaction to obtain precipitate slurry; step S400, continuously carrying out solid-liquid separation on the precipitate slurry to obtain a heavy metal precipitate and a manganese-containing solution; and S500, raw materials including the manganese-containing solution, an oxidizing agent and alkali liquor are subjected to an oxidation precipitation reaction, and a post-precipitation solution and a manganese product are obtained. The method solves the problems of poor sedimentation and filtration performance of a precipitation product, high moisture content of the precipitation product and low precipitation efficiency when heavy metals are precipitated in the heavy metal solution.

The invention relates to the technical field of wastewater treatment, in particular to a synchronous treatment method and device for fluorine and silicon in wastewater, the fluorine and silicon wastewater treatment device comprises an outer cylinder and an inner cylinder, the inner cylinder is suspended in the outer cylinder, and an inner circulation passage is formed between the inner cylinder and the outer cylinder; a waste water feeding pipe and a crystal inducing agent feeding pipe are respectively arranged at the lower part of the outer barrel, outlets of the waste water feeding pipe and the crystal inducing agent feeding pipe are positioned below a lower barrel opening of the inner barrel, a water outlet pipe is arranged at the upper part of the outer barrel, and a return pipe is arranged between the water outlet pipe and the waste water feeding pipe; a granulation body discharge pipe is arranged at the bottom of the outer cylinder. Compared with the prior art, the purpose of efficiently and synchronously removing fluorine and silicon in the wastewater is achieved in the single-stage reactor by utilizing the modified composite seed crystal, designing the reflux of the recycled water and controlling the reflux ratio, the dosage of reagents is small, the process is short, the energy consumption is low, the formed granules are low in water content and high in solid-liquid separation efficiency, and the method is suitable for industrial production. Secondary treatment is not needed, and industrial application is facilitated.

The invention relates to the field of precursor material drying, and provides a drying device capable of continuously processing a precursor material, comprising: a mounting table; the housing is fixedly arranged on one side of the upper part of the mounting table; a discharge hole is obliquely formed in the upper part; the air guide volute is fixedly connected to the lower end part of the housing, and an air inlet pipe is arranged at a volute tongue of the air guide volute; and the shunting turbofan is arranged in the air guide volute and consists of an upper side plate, a lower side plate and a plurality of arc-shaped fan blades which are uniformly arranged in the side plates at intervals. A precursor material is sprayed into the drying equipment in a mist shape through the spraying mechanism, continuous feeding of materials with different moisture contents is achieved for continuous processing, the phenomena of agglomeration and drying scaling of the materials when the materials enter the drying area of the equipment are effectively reduced, meanwhile, heat discharged during drying is recycled through the heat recovery pipe, and the energy consumption is reduced. And while the production energy consumption is reduced, the product granularity and granularity distribution are effectively controlled, and the drying uniformity is ensured.

The invention discloses a sewage sludge advanced treatment device, which belongs to the technical field of sludge treatment, and comprises a flocculation basin and a dehydration device, a concentration adjusting tank is arranged between the flocculation basin and the dehydration device, the inside of the tank is divided into a high-concentration area and a low-concentration area through a filter plate, the high-concentration area is provided with a first liquid inlet pipe, and the low-concentration area is provided with a second liquid inlet pipe; flowing into a dehydration device through a mixing pump; the filter plate is controlled by a driving mechanism to move so as to change the volume of the high-concentration area, and a first concentration detector is mounted on the first liquid inlet pipe and is used for moving the filter plate to reduce the volume of the high-concentration area when the first concentration detector detects that the concentration is lower than a threshold value; a control valve is installed on the second liquid inlet pipe and used for opening the control valve when the first concentration detector detects that the concentration is larger than the threshold value. The concentration regulating tank is arranged between the flocculation tank and the dehydration device to regulate the concentration of the sludge, so that the concentration of the sludge input into the dehydration device is stable, and the qualified rate of sludge caking is ensured.

The invention discloses a method for rapidly detecting the content of a residual flocculating agent in washing machine-made sand, which comprises the following steps of: screening out particles with the particle size of more than 4.75 mm from machine-made sand to be detected, respectively testing the critical water contents of degraded and untreated machine-made sand samples, and determining the mass concentration range of the flocculating agent on the basis of the difference value of the critical water contents of the two kinds of machine-made sand. Compared with tests through neat paste, mortar and concrete systems, deviation possibly caused by introduction of other materials is avoided, and the method is more convenient, faster and more accurate. A'critical water absorption 'test method is provided according to the stability of the stacking state of sand, a transparent circular truncated cone test mold with scales is designed, the filling height and the tamping method of each layer of sample are accurately stipulated, and the test normalization and the test result repeatability of different time, different places and different operators are improved.

The present invention discloses a high-drying high-pressure belt-type sludge dewatering machine, comprising a flocculation tank, a concentrated primary filter belt device, a skeleton agent automatic feeding device, a modifier feeding device, a mixing device, a mud homogenizing device, and a high-pressure filter belt device; the mixing device comprises a mixing bin, a mixing and stirring mechanism and a modifier spraying assembly arranged in the mixing bin, the sludge sent out of the outlet of the sludge primary filter belt assembly is fed into the sludge input port through a sludge input pipe, and the skeleton agent automatic feeding device inputs the skeleton agent into the mixing bin through the sludge input port. The sludge dewatering machine of the present invention greatly reduces the moisture content of the sludge output, and can achieve full-automatic continuous operation, integrating all the processing processes into one device, greatly reducing the occupied space, and simplifying the operation process.

The surface treatment device for steel wire production comprises a bottom box, a fixing plate is fixedly installed on the bottom box, a screw ring is installed on the side, extending to the center of the bottom box, of the fixing plate, a screw cylinder penetrates through the screw ring and is in threaded connection with the screw ring, and a steel wire penetrates through the interior of the screw cylinder; and a polishing assembly used for polishing the surface of the steel wire is installed at the end of the screw cylinder, and when the screw cylinder rotates, the polishing assembly is controlled to move and polish in the extending direction of the steel wire in a rotating mode. After the grinding assembly is arranged to make contact with the surface of the steel wire, the screw cylinder can drive the grinding assembly to rotate and grind in the circumferential direction of the surface of the steel wire by rotating the screw cylinder so as to remove an oxide layer, and under the thread limiting effect of the screw ring, the screw cylinder can move along the axis while rotating; and the grinding assembly is controlled to rotationally move and grind in the steel wire extending direction, and the grinding effect is effectively improved.

The invention discloses hole wall grinding equipment and method based on plastic mold machining, and relates to the technical field of hole wall grinding of plastic mold machining. The polishing device comprises a polishing assembly. The grinding assembly comprises a collecting box, a grinding head is arranged at the top of the collecting box, an annular pipe covers the grinding head, a plurality of spray heads are arranged on the peripheral side face of the annular pipe in a communicating mode, and a clamping assembly matched with the grinding head is fixedly arranged on the grinding assembly in a matched mode; a wiping assembly is fixedly matched with the inner bottom of the collecting box and comprises a first L-shaped rod fixedly connected to the inner bottom of the collecting box. According to the plastic mold hole polishing device, through the polishing process of a plastic mold hole, the inner wall of the hole is cleaned after the wiping cloth wheel is synchronously and alternately cleaned, the labor amount of manual cleaning is avoided, the polishing efficiency of the plastic mold hole is effectively improved, the cleanliness of the inner wall of the hole is effectively improved, and therefore the quality of a plastic mold is improved.

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 laminated wood board production process, a laminated wood board and a board cutting machine, and belongs to the technical field of electrician laminated wood boards. The laminated wood board production process comprises the steps that S1, cutting is conducted, specifically, a board is obliquely cut to form veneers; s2, at least two single boards are bonded and spliced to form a laminate; s3, the laminate is placed in a hot press; s4, double-sided gluing is carried out on the laminated plate after hot pressing is completed; s5, the multiple laminates are stacked to form a plate blank, the bonding positions of every two adjacent laminates are arranged in a staggered mode, and the plate blank is placed in a pre-pressing machine to be pre-pressed; and S6, the pre-pressed plate blank is put into a hot press, the hot pressing temperature ranges from 120 DEG C to 140 DEG C, the plate blank is gradually pressed to the preset thickness, after the plate blank is pressed and formed and the temperature rises to the preset temperature, heat preservation forming is carried out, and cooling and discharging are carried out after forming. The production process solves the technical problem that the density of the electrical laminated board produced in a traditional mode is not uniform.

The invention provides a flow-state solidified soil modifier and a preparation method thereof, and belongs to the technical field of modifiers. The adhesive is prepared from the following raw materials in parts by weight: 20-40 parts of a modified glue solution, 4-7 parts of an active material, 15-25 parts of a micro-expansion material, 1-2 parts of an exciting agent and 2-4 parts of an auxiliary agent. Soil solidified by the fluid solidified soil modifier has good mechanical strength, small mixing amount, low cost, convenience in construction, high early strength and later stable strength of the soil, good water retention and water resistance, small strength change after the soil encounters water, and the active material has good stability, low cost and high enzyme loading capacity, so that the fluid solidified soil modifier has good application prospects. The method improves the catalytic ability of the enzyme, is safe and non-toxic, is low in later maintenance cost, can be repeatedly used, has heavy metal pollution repair ability, can degrade heavy metals and reduce the use amount of chemical degradation elements, and has wide application prospects.

The invention relates to the technical field of traditional Chinese medicinal material planting, in particular to a cultivation device suitable for traditional Chinese medicinal materials, which comprises a water tank, the upper end of the water tank is detachably provided with a water accumulating barrel, the inner end of the water tank is sleeved with a cultivation cylinder, the inner end of the cultivation cylinder is detachably provided with a separation net, and the separation net can be filled with soil, so that the cultivation of traditional Chinese medicinal plants is realized; a device box is fixedly installed at the right end of the cultivation barrel, a water storage pipe is fixedly installed at the inner end of the device box, a compression pipe capable of adjusting the watering amount every time is fixedly installed in the device box, and an irrigation device is arranged between the compression pipe and the water storage pipe. The traditional Chinese medicine plants are watered according to the preset water yield in the compression pipe, the excessive or insufficient situation is avoided, the growth requirements of the traditional Chinese medicine plants are better met, the planting accuracy is improved, plant roots in soil are directly irrigated, and then soil surface hardening caused by surface watering is avoided.

The invention relates to a purification method of high-purity boron trifluoride 11, which comprises the following steps: S1, carrying out nitrogen purging and replacement on a purification device of boron trifluoride 11, and keeping the moisture content to be less than 1ppm; s2, the boron trifluoride 11 raw material is subjected to adsorption impurity removal, part of HF impurities are removed, and mixed gas is obtained; s3, rectifying the mixed gas obtained in the step S2 to remove light components, so as to obtain a mixed solution; s4, rectifying the mixed solution obtained in S3 again to remove heavy components, so as to obtain high-purity boron trifluoride 11; and S5, collecting the high-purity boron trifluoride 11 into a cold trap, and filling the cold trap with the high-purity boron trifluoride 11. According to the technical scheme provided by the invention, the purchased product is introduced into the rectifying tower to remove light components and heavy components so as to obtain a high-purity product, and light components and heavy component impurities such as H2, O2, Ar, N2, CO2, SO2, HF and SiF4 in boron trifluoride 11 are effectively removed through accurate control of the rectifying process, so that a high-purity 5N-grade boron trifluoride 11 product can be obtained, and the requirement of high-end application is met.

The invention discloses a slope protection device and method for rock mass collapse, and belongs to the field of slope supporting. A slope protection device for rock mass collapse comprises a concrete frame and further comprises a bottom base, a drainage structure, a first water baffle, a top end, a cleaning structure and a buffer structure, the bottom base is fixed to the bottom end of the concrete frame, the first water baffle is arranged on one side of the bottom end of the bottom base, the top end is arranged on one side of the drainage structure, and the cleaning structure is arranged in the drainage structure. The bracket is arranged on one side of the concrete frame; a driving motor drives a chain to move through a second chain wheel, so that a scraping plate scrapes deposits to move and leave the interior of a drainage channel, meanwhile, a spiral impeller pushes the deposits on the two sides to move to the bottom of the scraping plate, the drainage channel cleaning function is achieved, and the interior of the drainage channel is kept unblocked by automatically cleaning the drainage channel; the bottom of the device is not prone to being soaked in rainwater for a long time, and the defect that a drainage channel is prone to being blocked in the prior art is overcome.

The invention relates to the technical field of desulfurization slurry treatment, and discloses a vacuum dehydration device and a dehydration treatment system and method for desulfurization gypsum. The device comprises a belt conveyor, filter cloth is arranged on the belt conveyor, a filter assisting component is arranged above the filter cloth, and the filter assisting component can extend into a filter cake layer on the filter cloth and damage a surface air blocking layer on the top of the filter cake layer. According to the technical scheme provided by the invention, the surface air barrier layer at the top of the filter cake layer is destroyed by the filter aid part, and the air pressure difference formed on the two sides of the filter cake layer due to suction filtration is recovered, so that free moisture in gypsum slurry is separated from the gypsum slurry under the dual effects of pushing force generated by the air pressure difference and self gravity; the desulfurized gypsum with relatively low water content is obtained.

The invention discloses quartz sand high-temperature treatment equipment with a dual treatment technology, and relates to the technical field of quartz sand treatment.The quartz sand high-temperature treatment equipment comprises a fixed supporting structure, and the fixed supporting structure comprises a supporting bottom frame and supporting bases which are fixedly connected to the supporting bottom frame and located at the two ends of the supporting bottom frame; the rolling drying structure comprises a drying cylinder rotationally connected to the supporting base, a feeding cylinder rotationally connected to one end of the drying cylinder and located on one side of the supporting base, a feeding box fixedly connected to the end, away from the drying cylinder, of the feeding cylinder and a rolling drying mechanism rotationally connected to the other end of the drying cylinder and located on the other side of the supporting base. The discharging barrel is arranged on one side of the supporting base; and the conveying structure comprises a motor which is fixedly connected to the feeding barrel and located below the feeding box. The fluidity of quartz sand in the feeding cylinder is remarkably improved, the drying efficiency is improved, and the problem of uneven drying caused by caking is solved.

The invention relates to a silicon-carbon composite material based on modified MXene, a preparation method of the silicon-carbon composite material, a negative electrode and a battery. MXene is prepared by etching an MAX phase through an etching agent; the preparation method comprises the following steps: preparing graphene quantum dots B-GQD and P-GQD + respectively; the graphene quantum dots B-GQD, the graphene quantum dots P-GQD + and the MXene are self-assembled through electrostatic adsorption, and a modified MXene material B / P-GQD / MXene is formed; preparing a porous carbon material deposited with silicon nanoparticles; the modified MXene material B / P-GQD / MXene is adopted to carry out liquid phase coating on the porous carbon material deposited with the silicon nanoparticles, and the silicon-carbon composite material based on the modified MXene is formed. The conductivity of the silicon-carbon composite material can be enhanced, and the rate capability of the lithium ion battery can be improved.

The invention discloses ZmPHYB1 and ZmPHYB2 gene mutants and application of the ZmPHYB1 and ZmPHYB2 gene mutants in corn seeds, and belongs to the field of plant biotechnology breeding. According to the corn ZmPHYB1 and / or ZmPHYB2 gene provided by the invention, after a plant generates function loss mutation of an endogenous gene or the expression of the ZmPHYB1 and / or ZmPHYB2 gene is inhibited, phenotypes with smaller grains, reduced grain weight, shortened corn grain filling time, reduced grain water content and / or improved dehydration rate can be obtained; the gene resource and the application method thereof have a wide application prospect in the field of corn breeding.

The invention discloses an anodic oxidation production wastewater treatment system, which relates to the field of sewage treatment. The anodic oxidation production wastewater treatment system comprises a sedimentation tank, wherein a booster assembly and a roller are arranged in the sedimentation tank, and a medicine adding bucket, a grid plate and an aeration pipe are also arranged in the sedimentation tank. A multi-level grid plate is arranged in the sedimentation tank to slow down the flow of sewage, and the sewage is aerated in combination with the aeration pipe to help accelerate the coagulation and precipitation of flocs in the sewage. In addition, a booster assembly is arranged to pressurize the sedimentation environment, increase the dissolved oxygen content in the sewage, and make the sewage produce more bubbles when rolling to help the flocs connect and coagulate with each other, and settle quickly after being blocked by the multi-level grid plate. Finally, an installation frame moving along the bottom wall of the sedimentation tank is arranged to cooperate with a flippable side plate and a rolling plate, so as to scrape off the settled sludge and roll it under pressure through the roller, thereby reducing the water content of the sludge, thereby reducing the water content of the sewage discharge, and facilitating the treatment of the sludge.

The invention relates to the technical field of wastewater treatment, and discloses a multi-stage wastewater treatment device for wood production, which comprises a treatment tank, and further comprises a filter cartridge I and a filter cartridge II which are cylindrically arranged in the treatment tank, and the filter cartridge II is positioned in the filter cartridge I and is used for sequentially separating impurities in wastewater; the water outlet pipe is arranged at the bottom of the filter drum II and is used for guiding out the treated wastewater; the water inlet pipe is arranged at the bottom of the treatment tank. By adopting the filter cartridge I and the filter cartridge II, continuous multi-stage filtration from rough filtration to fine filtration is realized, saw dust, fibers and other impurities with different particle sizes are removed at one time, meanwhile, online self-cleaning is synchronously carried out, and rotary filtration and filter screen cleaning are synchronously carried out through motor driving; therefore, the problem that traditional filtering equipment must be frequently shut down and manually cleaned due to quick blockage of a filter screen is solved, continuous and uninterrupted efficient operation of the wastewater treatment process is ensured, and the overall treatment efficiency and production continuity are greatly improved.

The invention relates to the technical field of electrolytic baths, and particularly discloses an energy-saving water vapor electrolytic bath with a heat recovery structure, which comprises a heating assembly, a waste heat assembly, an electrolysis assembly and a recovery assembly which are circularly connected in sequence; and the electrolysis assembly comprises an electrolysis shell, a first electrode and a second electrode, the electrolysis shell is of a concave structure, the first electrode and the second electrode are fixedly connected to the lower end of the interior of the electrolysis shell, and the first electrode and the second electrode are symmetrically located in cavities in the two sides of the electrolysis shell correspondingly. According to the device, waste heat can be automatically recycled, water vapor can be secondarily heated, and electrolyzed gas can be automatically and respectively collected.

The invention discloses a composite diaphragm as well as preparation and application thereof in a lithium ion battery, and belongs to the technical field of lithium ion battery materials. The composite diaphragm comprises a base material, at least one ceramic coating and at least one organic polymer coating, wherein the surface of the base material is coated with the at least one ceramic coating and the at least one organic polymer coating. The thickness of the ceramic coating is 1-3 m, and the thickness of the organic polymer coating is 0.3-5 m. And the ceramic coating is prepared by adopting a water-based coating process, so that the heat resistance and electrolyte wettability of the diaphragm can be improved. The organic polymer coating is prepared in an electrostatic spinning mode, and a spherical bead structure is formed by adjusting spinning parameters. Due to the fact that a large number of bead structures are contained, the prepared composite diaphragm shows stable super-hydrophobic performance. And the organic polymer has extremely high heat resistance and cohesiveness to a pole piece, and the diaphragm is endowed with extremely high porosity by the electrostatic spinning preparation process.

The utility model discloses an improved oily water treatment device, and belongs to the technical field of sewage treatment. The device comprises a sewage storage tank, a gravity oil separation tank, an air floatation tank, a biochemical tank, a heating storage tank, a waste oil tank, a dosing tank and a dehydration system. According to the device, primary oil-water separation is performed from a pretreatment stage through a heating system of the heating storage tank, so that the operation load of subsequent units is reduced; a waste oil tank is added, treated oily sewage with still high oil content is pumped into the waste oil tank, floating oil at the upper end of the waste oil tank is collected through a floating oil device, oily sewage at the bottom repeatedly passes through an oil separation floating oil device to be retreated, and the water content of the waste oil is reduced until effluent reaches the standard of a biochemical system. Finally, the purpose of improving the oil-water separation effect of the gravity oil-separation air floatation equipment is achieved. The device performs repeated treatment according to the oil content index of the effluent of the oil separation floating device, reduces the chemical consumption and the power consumption, improves the separation effect, and has positive influences on the environment and the economy.

The invention discloses an integrated leftover material cleaning system, and relates to the technical field of monocrystalline silicon leftover material treatment equipment. Comprising a conveying mechanism, a primary cleaning mechanism, a secondary cleaning mechanism, an adjusting mechanism, a spraying and recycling pipeline system and a drying system. The system is formed by communicating a plurality of sections of box bodies; a back plate is vertically fixed in the box body; a conveying mechanism is arranged in the front part space of the multi-section box body; a cleaning mechanism is arranged in the box body at the front section; a secondary cleaning mechanism is arranged in the box body at the middle section, and a drying system is arranged in the box body at the tail section; the heights of the roller brushes of the primary cleaning mechanism and the secondary cleaning mechanism are controlled through an adjusting mechanism. Through the cleaning system, the integrated treatment of cleaning, conveying, drying and water source recycling of the leftover leather can be completed in a spraying and physical friction mode by integrating drying equipment, and the cleaning treatment efficiency is improved while continuous operation is formed.

The invention discloses a sewage drying and sludge discharging device for a coal chemical industry production line, the sewage drying and sludge discharging device comprises a fixed base and a sedimentation tank, the sedimentation tank is fixedly mounted on the outer surface of the upper end of the fixed base, a lifting rod is arranged on one side, located on the sedimentation tank, of the upper end of the fixed base, and a settler is movably mounted on the inner side of the upper end of the sedimentation tank; the settler comprises a filtrate frame and a pressing frame, the filtrate frame is fixedly mounted at the lower end of the pressing frame, and the upper end of the pressing frame and the settling tank are driven by a hydraulic rod; a rolling belt is movably installed on the lower portion of the lifting rod, a first conveying belt is movably installed below the rolling belt, the first conveying belt is located on the inner side of the fixed base, and a material cleaning roller is arranged at one end of the first conveying belt; according to the sludge rolling device, the time required for sewage sedimentation operation is shortened, the treatment efficiency is improved, the rolling effect can be freely adjusted according to the sludge amount, the water content in the sludge is reduced, meanwhile, the sludge crushing treatment can be synchronously completed, and the subsequent drying and dewatering effect is improved.

The invention discloses an oil-water separation filter element of an air compressor and a filter, and relates to the technical field of air compressor after-treatment, the oil-water separation filter element comprises an outer shell, a filtering assembly for filtering compressed air and an anti-blocking assembly for preventing a filtering medium from being blocked, the anti-blocking assembly is arranged at the top of a partition plate, and a positioning assembly is arranged on the partition plate; through the effect of the filtering assembly, compressed gas generated by the air compressor is filtered, an oil-water mixture in the compressed gas is efficiently separated, through the effect of the air pressure assembly, nitrogen is conveyed into the spiral pipe in a flowing mode and is obliquely sprayed out through the spraying opening, and backwashing treatment is conducted on the filtering assembly; nitrogen cannot chemically react with a filter element material in the backwashing process, the filter element can be effectively protected, the service life of the filter element can be effectively prolonged, nitrogen is usually dry and extremely low in water content, the filter element can be prevented from being affected with damp due to introduction of water in the backwashing process, and then blockage of a filtering medium is avoided.