78results about How to "Speed up filtering" patented technology

The utility model relates to the technical field of wastewater treatment, and discloses an environment-friendly filtering device for industrial wastewater, which comprises a shell, a filter screen is fixedly connected in the shell, a top cover is arranged at the top of the shell, a protective ring is fixedly connected to the inner side of the top cover, and a fixed rod is fixedly connected in the lower end of the protective ring. A bearing is installed in the middle of the fixing rod, a rotating shaft is installed in the middle of the bearing, a first piston is rotationally connected to the bottom of the rotating shaft, and the outer wall of the first piston is movably connected to the bottom of the inner wall of the filter screen. According to the sewage treatment device, in the descending process of the second piston, the pressure on the inner side of the filter screen is increased, filtration of wastewater is promoted, the filtering efficiency of the filter screen is improved, the rotating shaft drives the connecting rod and the scraping plate to rotate, the inner wall of the filter screen is cleaned, and therefore impurities are prevented from being attached to the surface of the filter screen to cause blockage; and garbage on the inner side of the filter screen can be brought out of the shell through the first piston to be cleaned.

The utility model discloses a viscous protein filtering device, which relates to the technical field of egg liquid filtering and comprises a shell, a feed port, a waste outlet, a discharge port, a primary filter element assembly, a rotary filtering assembly, a cooling liquid circulating device, a buffer cavity, a graded filter element assembly, an ultrasonic-assisted filtering device and the like. Through the synergistic effect of multi-stage filtering devices of the first-stage filter element assembly, the rotary filtering assembly and the grading filter element assembly, large impurities are rapidly treated in the rough filtering stage, overload of the fine filtering assembly is avoided, step-by-step fine filtering is achieved, the problem of low efficiency caused by direct treatment of viscous materials through a single-stage high-precision filter membrane is solved, and the working efficiency is improved. A rotating shaft in the rotary filtering assembly rotates at a high speed to generate centrifugal force, spiral guide blades synchronously rotate along with the rotating shaft to form spiral downward fluid motion, the centrifugal force pushes liquid to be rapidly filtered, the spiral blades synchronously stir to avoid local impurity accumulation, dynamic filtering and instant cleaning circulation are formed, and the filter element blocking period is delayed.

This utility model relates to the technical field of feeding equipment and discloses a feeding device for flue gas desulfurization and denitrification, including a feeding structure and a flue gas treatment device. The flue gas treatment device is fixedly connected to the outer wall of the feeding structure. The feeding structure includes a support frame, and a hopper is fixedly connected to the top of the support frame. Additives are put into the hopper and filtered in advance by a filter screen to prevent packaging bags and other debris from entering the hopper and to prevent the additives from clogging the inside of the feeding spiral tube. The servo motor is started to drive the rotating shaft to rotate, which also drives the eccentric wheel to rotate and contact the bottom of the mounting frame. The eccentric wheel squeezes the mounting frame, causing the mounting frame to move up and down along the guide rod, and also drives the filter screen to move up and down. In this way, the additives move up and down on the filter screen, making it easier for clumps of additives to disperse, accelerating the screening and filtration of additives, and making the feeding equipment more efficient and safe.

The application discloses a fertilizer high-tower granulating equipment with waste gas filtering device, and belongs to the technical field of waste gas filtering. It mainly comprises a main body, a granulating device arranged in the main body, and a waste gas filtering device arranged in the main body; the waste gas filtering device comprises a gas treatment device, a driving cavity, a suction cavity and a neutralizing cavity are defined in the gas treatment device, and the three cavities are sequentially communicated; a plurality of particle filtering modules are arranged on one side of the gas treatment device and are communicated with the suction cavity, and some components are rotationally connected with a multipurpose driving assembly; a longitudinal main shaft is arranged in the waste gas filtering device. The granulating equipment is provided with the particle filtering modules with self-cleaning function at the front end of the traditional activated carbon filter material, so that a multistage filtering structure is formed, the filtering of the powdery particles is effectively improved, the labor cost is reduced, and the recycling of the powdery particles is improved. The application is mainly used for waste gas filtering of the fertilizer high-tower granulating.

The invention discloses an intelligent heat dissipation device of a dry-type transformer and a using method of the intelligent heat dissipation device, and belongs to the technical direction of transformer heat dissipation. The intelligent heat dissipation device comprises a dry-type transformer placement base, and two sets of supporting bases are symmetrically installed at the two ends of the outer portion of the dry-type transformer placement base correspondingly and are the first supporting base and the second supporting base correspondingly; two sets of heat dissipation grooves are symmetrically formed in the two ends of the exterior of the first supporting seat correspondingly, a plurality of sets of heat conduction rods are installed on one side of the interior of the first supporting seat in an array mode, a temperature sensor is fixedly installed on one side of the exterior of the first supporting seat, and a heat dissipation assembly and a second heat dissipation base are further arranged on the dry-type transformer placement base. Through cooperative use of the heat conduction rod, the electric fan set and the temperature sensor, the peripheral temperature of the dry-type transformer placement base can be detected, the heat dissipation mode can be changed according to different temperature values, heat is conducted to the heat conduction rod for heat dissipation when the operation temperature is low, and it is avoided that cold air makes direct contact with the dry-type transformer, and condensed water drops are generated.

The utility model discloses a separation and preparation device for lucid ganoderma liquid. The separation and preparation device comprises a treatment tank, a storage tank, a filling hopper, a first air guide pipe and an air exhaust fan, according to the separation and preparation device for the lucid ganoderma liquid, a filling hopper is fixedly installed on the top face of a storage tank, the storage tank communicates with a treatment tank through a communicating pipe, a first filtering layer, a second filtering layer and a third filtering layer are sequentially installed on the inner side of the top of the treatment tank, and an exhaust pipe is fixedly connected to the position, corresponding to the lower portion of the third filtering layer, of the side wall of the treatment tank in an inclined penetrating mode; the end of the exhaust pipe is fixedly connected with a vertical suction-preventing pipe, the top end of the suction-preventing pipe is fixedly connected with a first air guide pipe, the first air guide pipe is fixedly connected to the air inlet end of the exhaust fan, air is fed through the filling hopper, lucid ganoderma liquid soaked in the storage tank can enter the treatment tank through the communicating pipe, and the lucid ganoderma liquid entering the treatment tank is filtered; during filtering, suction can be performed through the air exhaust fan, so that a suction filtration effect is achieved, and the filtering speed is effectively increased.

The novel filtering device comprises a right-side tank body, a middle tank body and a left-side tank body which are divided by partition plates, a water inlet is formed in the bottom of the right-side tank body, and the top of the right-side tank body controls the height of an upper communication opening through a liftable water level adjusting piece to achieve dynamic hydraulic retention time adjustment; filter units with positioning structures are stacked in the middle tank body, and a lower communication port is formed in the bottom of a partition plate between the middle tank body and the left tank body; the left tank body integrates a water pump and a water spray nozzle to form a circulation path and increase the dissolved oxygen content of the water body. The fish tank comprises a tank body and a vertical notch formed in the top end of the tank body and used for intercepting floating foam on the water surface, and the novel filtering device is arranged on one side of the tank body. According to the utility model, through the design of modularized quick release, dynamic water level control, accurate positioning, floating foam interception and the like, the problems of complicated maintenance, insufficient filtration, poor load adaptability and the like of a traditional filtering device are solved, high-efficiency and low-maintenance water quality management is realized, and the water quality management device is suitable for aquaculture and fish tank scenes.

The application provides a filter system based on papermaking white water, which comprises two first supporting frames and two second supporting frames, the two first supporting frames are located between the two second supporting frames, a filter cylinder is provided with filter holes, the two ends of the filter cylinder are rotatably connected to the top of the two first supporting frames, a first driving mechanism is used for driving the filter cylinder to rotate, two blocking rings are coaxially connected to the two ends of the filter cylinder respectively, a through hole is formed in the middle of the blocking ring, the two ends of a bearing piece are provided with connecting parts, a cleaning pipe is in communication with one end of the bearing piece, and a discharge pipe is in communication with the bottom of the other end of the bearing piece, a plurality of water inlets are formed in a water inlet pipe, a blowing head is connected with a blower for blowing the blowing head, the blowing head is provided with an air outlet, the air outlet is downwardly and vertically opposite to the top of the filter cylinder, and a second driving mechanism is used for driving the blowing head to reciprocate along the length direction of the filter cylinder. The filter system based on papermaking white water can achieve better filtering effect.

The utility model relates to the technical field of paint filtering, and discloses a paint processing filtering device convenient to quickly clean, which comprises a filtering barrel, the top side of the outer wall of the filtering barrel is connected with a top cover through a clamping assembly, the bottom end of the top cover is fixedly connected with a gasket, and the gasket is arranged at the top end of the filtering barrel. A fixing ring is fixedly connected to the bottom end of the top cover, a filter cartridge is connected to the inner wall of the fixing ring through a limiting assembly, a motor is mounted at the top end of the top cover through a fixing frame, a rotating rod is fixedly connected to the driving end of the motor, and a stirring roller is fixedly connected to the middle of the outer wall of the rotating rod. According to the utility model, the stirring roller rotates to stir the coating and accelerate the filtering speed, and meanwhile, the brush rotates to clean the holes of the filter cartridge and prevent blockage, so that filtering and self-cleaning are synchronously carried out, and when the filter cartridge needs to be cleaned, the filter cartridge can be quickly disassembled and cleaned only by stirring the connecting plate, pulling the pull rod and other simple operations; and after cleaning, installation is convenient, and resetting and fixing can be rapidly completed.

This utility model provides a raw material feeding device for plastic product processing, including a support frame. A support plate is fixedly connected to the top of the support frame, and a shock-absorbing mechanism is provided on the top of the support plate. The shock-absorbing mechanism includes a connecting block, a vibration spring, a fixing block, and a feeding frame. The bottom of the connecting block is fixedly connected to the top of the support plate. The bottom of the vibration spring is sleeved on the surface of the connecting block, and the top of the vibration spring is sleeved on the surface of the fixing block. The top of the fixing block is fixedly connected to the bottom of the feeding frame. A filter screen is movably connected to the feeding frame, and a plug-in block is fixedly connected to the top of the filter screen. When conveying raw materials for plastic product processing through the shock-absorbing mechanism, the raw materials are screened through the screen to separate impurities, improving product quality. By incorporating a vibration motor, the filtration speed can be increased during filtration, accelerating processing efficiency.

The invention relates to the technical field of free silicon dioxide filtering, in particular to an occupational health precipitated free silicon dioxide filtering device which comprises a limiting filtering structure, a rack, an exhaust pipe, a press machine, a display screen and a butt-joint pressure seat, the exhaust pipe is installed on the side portion of the rack in a limiting mode, and the front end of the exhaust pipe communicates with the press machine in a butt-joint mode; a display screen is fixedly mounted at the top of the rear end of the rack, a butt joint pressure seat is in butt joint communication with the position, located at the upper end of the exhaust pipe, of the center of the display screen, a limiting filtering structure is in sealed butt joint communication with the upper end of the butt joint pressure seat, and the limiting filtering structure comprises a spring hinged support, a first pressing frame, a second pressing frame and a filtering treatment component; and the lower end of the first pressing frame is elastically connected with the spring hinged support. Through the arrangement of the limiting filtering structure, the filtering efficiency can be improved, the high-precision requirement is met while the filtering efficiency is improved, and it is guaranteed that the result is accurate.

This utility model discloses a multi-point water distributor with a flow balancing structure, belonging to the technical field of multi-point water distributors. It includes a main water distribution pipe, with multiple branch pipes fixedly installed on both sides of the main water distribution pipe. Each branch pipe has a water distribution pipe at its end away from the main water distribution pipe. A filter tank is fixedly installed at one end of the main water distribution pipe, and an inlet pipe is fixedly installed on the side of the filter tank away from the main water distribution pipe. A filtration mechanism is installed inside the filter tank, including a base plate on which a first filter plate and a second filter plate are fixedly installed. A scraping assembly is installed inside the filter tank to scrape off impurities adhering to the surfaces of the first and second filter plates. Large particles are filtered through the first filter plate, and small particles are filtered through the second filter plate. By separating large and small particles for filtration, impurities are prevented from clogging the filter pores, thereby increasing the filtration speed of impurities in the water. This prevents impurities from entering the water distributor with the water flow, avoiding the problem of prolonged impurity adhesion that can easily cause poor water flow in the pipeline.

The application discloses a kind of filter system and use method thereof, belong to fiber processing technical field, including filter tank body, auxiliary mechanism, prevent blocking mechanism, scraping mechanism and loose mechanism, the auxiliary mechanism is installed in the inside of filter tank body, the prevent blocking mechanism is installed in the inside of filter tank body and is connected on auxiliary mechanism, the scraping mechanism is installed in the inside of filter tank body and is connected on auxiliary mechanism, the loose mechanism is installed on auxiliary mechanism, the inside of filter tank body is equipped with upper filter plate, the inside of filter tank body is also equipped with lower filter plate, the inside of filter tank body is equipped with walnut shell filter material and walnut shell filter material is located between upper filter plate and lower filter plate, the application provides a kind of filter system and use method thereof, to sewage is filtered in multiple stages, prevent filter tank body inside block, remove the impurity attached to the inner wall of filter tank body.

The present application relates to a kind of methods for extracting oil and rubber oil dewaxing, it is characterized in that using the composite solvent of polar solvent and solubilizer is dewaxing solvent, polar solvent uses N-methyl pyrrolidone, solubilizer is the mixture of one, two or three of benzene, toluene, xylene, above wax precipitation temperature, the composite solvent is mixed with extracting oil or rubber oil, then crystallization is cooled, filtration is obtained wax cream and filtrate, wax cream and filtrate are respectively heated and evaporated to recover solvent and obtain wax and dewaxed oil.

The utility model discloses an automatic water surface cleaning machine giving consideration to cleanliness and filtering speed in the technical field of automatic water surface cleaning machines, which comprises a machine shell, a top cover mounted at one end of the top of the machine shell, a water outlet formed in the other end of the top of the machine shell, a water inlet formed in the bottom of the machine shell, and a filtering device arranged in the machine shell. The filtering device comprises a primary filtering unit and a secondary filtering unit, and filtering holes of the primary filtering unit are larger than filtering holes of the secondary filtering unit. According to the utility model, the primary filtering unit and the secondary filtering unit are arranged in a matched manner, the filtering holes of the primary filtering unit are larger than the filtering holes of the secondary filtering unit, water passes through the primary filtering unit and then passes through the secondary filtering unit, and the primary filtering unit can prevent large-particle impurities from blocking the filtering holes with large apertures of the primary filtering unit; and the secondary filtering unit can filter out small-particle impurities with small pore diameters, so that the cleaning machine gives consideration to the cleanliness and the filtering speed at the same time.

The utility model discloses a lubricating oil processing agitator, including the inner box, the outside of inner box is provided with the outer box, and the cavity is formed between inner box and outer box, and the bottom of cavity is provided with a plurality of communicating inner box's flow channel, and the lower surface of outer box is fixedly installed with the sealing base through bolt, and the inner side of inner box is rotatably connected with the positive direction stirring rod and a plurality of reverse stirring rods, and the upper surface of outer box is provided with the pressure control mechanism of control cavity gas pressure, and the inner wall of discharge pipe is provided with the electromagnetic valve. Through the positive direction stirring rod and a plurality of reverse stirring rods rotate simultaneously, can be to the lubricating oil in the inner box positive direction stirring and reverse stirring, through setting pressure control mechanism, through increasing the air pressure in the cavity and reducing the air pressure in the cavity, can make the lubricating oil reciprocating flow through the flow channel between the inner box and the cavity, to further improve the stirring effect, the utility model discloses the stirring mode is various, and the stirring mixing effect is improved greatly.

The utility model discloses a sewage treatment filtering device, and relates to the technical field of sewage treatment. The sliding filtering device is mounted in the box body in a sliding manner; the blocking plate is fixed in the box body and is in contact with the upper surface of the sliding filtering device; the elastic assembly is mounted between the sliding filtering device and the inner wall of the box body; the pulling assembly is mounted on the sliding filtering device, extends to the outer side of the box body and is used for pulling the sliding filtering device to slide; through the arrangement of the sliding filtering device, impurities in the filtering process can be filtered through sliding, the situation that the filtering device is blocked by the impurities mixed in sewage during filtering is avoided, meanwhile, the filtering speed of the sewage is increased through sliding, and the filtering efficiency of the sewage is improved; and the filtering device can normally slide through the matched arrangement of the elastic assembly and the pulling assembly.

A split-type honey filtration mechanism includes an outer barrel and a filter barrel. The outer barrel has openings at both ends and an external heating element. The filter barrel is closed at the bottom and open at the top. A set of dividing frames runs from top to bottom along the outer wall of the filter barrel, with the width of the dividing frames gradually narrowing. The filter barrel is coaxially mounted inside the outer barrel, with a gap between the filter barrel and the outer barrel. A receiving cone is located at the bottom of the outer barrel. The advantages of this invention are: the dividing frames segment the outer wall of the filter barrel, allowing each segment of flowing honey to drip directly to the bottom without adhering to the filter screen; the internal and external heating elements heat the honey inside the filter barrel from both sides, improving the honey's flowability and effectively increasing the filtration speed; the receiving cone and the outer barrel are movably connected, allowing for quick disassembly and easy cleaning and maintenance of both parts.

The utility model discloses a starch slurry and residue separation and dehydration system which comprises a slurry storage pool arranged on a mounting frame, a slurry discharge port is formed in the bottom of the slurry storage pool, a screen assembly is obliquely arranged above the slurry storage pool, a driving mechanism used for driving the screen assembly to swing is further arranged on the mounting frame, and the driving mechanism is arranged at the higher end of the screen assembly. A discharging opening is formed in the lower end of the screen assembly, a screw extruder is arranged at the lower end of the discharging opening, a liquid collecting barrel is further arranged, a liquid discharging opening of the screw extruder is communicated with the liquid collecting barrel through a water pipe, starch milk is formed after starch raw pulp is filtered through the screen assembly and then enters the pulp storage pool, and the starch milk in the pulp storage pool is discharged out of the pulp discharging opening. Solid residues formed after starch primary pulp discharged from the discharge port passes through the screw extruder are discharged from the tail end of the screw extruder, formed liquid is discharged into the liquid collecting barrel through the liquid discharge port, and the problems that in the prior art, when a vertical centrifugal screen is adopted for filtering, efficiency is low, and cost is high are solved.

The utility model relates to the technical field of epoxy resin processing, in particular to a filter in an epoxy resin processing system, and solves the problems that in the prior art, when epoxy resin is treated by a filtering method, materials are generally directly poured on a filter plate for filtering, so that the operation is inconvenient, the materials are difficult to quickly filter, and the cost is high. And as the viscosity of the epoxy resin is relatively high, the filtering speed is slow, and the filtering efficiency of the material is greatly reduced. The filter in the epoxy resin processing system comprises a base, the top of the base is fixedly connected with a frame body, the inner side of the frame body is rotationally connected with a rotating pipe, and one side of the bottom of the base is fixedly connected with a driving motor through a bolt. According to the utility model, a rotary centrifugal filtration technology is adopted, and the bearing frame and the filter cylinder are driven to rotate through the rotating pipe, so that an epoxy resin material is more sufficiently stirred and dispersed in the filtration process, the material accumulation phenomenon is effectively avoided, and the filtration speed is obviously improved.

This application, in the field of sludge treatment technology, specifically discloses a sludge treatment device for water conservancy construction. The device includes a filter cylinder, rotatably mounted via a first drive unit; first auger blades, rotatably mounted inside the filter cylinder via an auger shaft; and an auger shaft, rotatably mounted via a second drive unit. One end of the filter cylinder has a feed inlet, and the other end has a discharge outlet for discharging sludge after water compression. Compared to the prior art's simple conveying method using a feeding auger without compression, this structure generates compression through the relative movement of the filter cylinder and the first auger blades, significantly increasing the water separation amount and improving the initial dewatering effect. Furthermore, the filter cylinder forms a vortex, generating centrifugal force, further enhancing water filtration and ensuring the sludge dewatering effect.

The utility model discloses a lubricating oil filtering device with an anti-bubble function, and relates to the technical field of filtering devices. The device comprises a filter box, wherein a vibrating mechanism and a collecting mechanism are arranged on the filter box; a defoaming net is fixedly connected to the inner wall of the filter box, a discharging pipe with a valve is arranged on the front side of the filter box in a communicating mode, the vibration mechanism comprises a filter net connected to the inner wall of the filter box in a sliding mode, and rotating shafts are rotationally connected to the inner walls of the front side and the rear side of the filter box correspondingly; the front side of the rotating shaft located on the front side extends out of the filter box. By arranging the vibration mechanism, the problems that in the using process of an existing lubricating oil filtering device with the anti-bubble function, impurities in lubricating oil are complex, metal chippings, oil sludge and the like are prone to being tightly attached to the peripheries of filter plate holes and accumulated for a long time, the filter plate holes are blocked by the impurities, the filtering efficiency is greatly reduced, and the service life of the lubricating oil filtering device is greatly prolonged are solved. And the device is difficult to continuously provide high-quality filtered lubricating oil.

The filter comprises a shell, the shell comprises a shell body, a partition plate is arranged in the middle of the shell body, a through hole is formed in the middle of the partition plate, and a first paper winding filter element and a second paper winding filter element are arranged on the portions, located on the two sides of the partition plate, of the shell body respectively. A top cover is mounted at one end, located at the first paper winding filter element, of the shell main body, and a bottom cover is mounted at one end, located at the second paper winding filter element, of the shell main body. According to the utility model, through the common filtration of the first paper winding filter element and the second paper winding filter element, the filtration precision is improved; an upper oil inlet surface and a lower oil inlet surface are arranged, so that the filtering speed is doubled; and compared with a V-shaped folding filter element, the paper-wound filter element has the advantages that the filter area can be increased, so that the filter effect and the pollutant holding capacity are improved.

The utility model relates to the field of fluorocarbon coating filtering, and discloses an anti-ultraviolet high-performance fluorocarbon coating filtering device which comprises a supporting frame, a top tank is fixedly connected to the inner wall of the supporting frame, a bottom tank is fixedly connected to the bottom of the top tank, a filtering mechanism is arranged in the bottom tank, and the filtering mechanism is arranged on the inner wall of the supporting frame. The right side of the bottom tank is fixedly connected with a discharging pipe, the top of the supporting frame is provided with a filter pressing mechanism, the filter pressing mechanism comprises a stepping motor, the stepping motor is fixedly connected to the top of the supporting frame, the front side of an output shaft of the stepping motor is fixedly connected with a circular plate, and the front side of the circular plate is hinged to a connecting rod. According to the utility model, the stepping motor works to drive the circular plate to rotate, so that the vertical rod does linear reciprocating motion in the vertical direction, the pressing plate is driven to move up and down, the fluorocarbon coating is gradually pressed into the bottom tank from the top tank to be filtered, the conveying pressure and the filtering speed are improved, the filtered residues are reduced, and the filtering efficiency is improved.

The utility model discloses a multistage sewage treatment assembly, which relates to the field of sewage treatment and comprises a shell, a filter plate is arranged at the top of the shell in a reciprocating shaking manner, an adjusting gear ring is mounted at the bottom of the filter plate, a filter barrel is arranged at the bottom of the filter plate in the shell, a driving assembly is arranged at the bottom of the shell, and the adjusting gear ring is mounted at the bottom of the driving assembly. The output end of the driving assembly penetrates into the filtering barrel and is connected with a stirring mechanism, and the top of the stirring mechanism extends out of the filtering barrel and is connected with a residual gear matched with the adjusting gear ring. Sewage is filtered for the first time through the filtering plate, then the stirring mechanism in the filtering barrel is driven by the stepping motor to rotate, impurities and a water source are filtered and separated for the second time under the action of centrifugal force of the stirring mechanism, and the impurities and the water source are filtered and separated for the second time while the stepping motor is used for rotating and filtering. The residual gear can drive the adjusting gear ring to slide back and forth, so that the filter plate can shake back and forth in the shell.

This utility model relates to the field of casting equipment technology and discloses a vibrating shell machine structure for easy collection of sand core blocks. It includes a base plate, a base shell fixedly connected to the top of the base plate, a frame fixedly connected to the top of the base shell, connecting frames fixedly connected to the left and right sides of the inner wall of the frame, a vibrator fixedly connected between the connecting frames and the frame, four guide plates fixedly connected inside the base shell, dampers fixedly connected at the four corners of the top of each guide plate, and three filter screens disposed on the top of each guide plate. In this utility model, by making multiple filter screens vibrate synchronously with the vibrator, the filtration and conveying speed of the sand core blocks can be accelerated. Simultaneously, sand core blocks stuck in the filter screen mesh can be shaken out, preventing mesh blockage. Furthermore, the filter screens are magnetically connected and fixed with connecting bolts. During routine maintenance, simply unscrewing the connecting bolts allows the filter screens to be removed from the device, solving the problem of easy filter screen clogging and cumbersome disassembly during sand core block filtration.

The utility model relates to polyethylene wax processing technical field discloses a kind of continuous filtering device of polyethylene wax, comprising: as the supporting plate of connecting main body, the supporting plate is connected with filter box by shaking component, the inner wall both sides of the filter box are fixedly connected with sliding frame, the inner wall of the sliding frame is slidably connected with connecting frame, the rear end of the connecting frame is fixedly connected with connecting block, the inner wall of the connecting frame is slidably connected with filter screen, the outer wall both sides of the filter box are fixedly connected with connecting box.In the utility model, rotating screw drives rotating ring, rotating ring drives plugboard, plugboard is separated from fixed hole, when pulling connecting frame separates from filter box, then rotating bolt removes the fixing of filter screen to replace, so that operator can easily take out filter screen, can be overall, completely cleaned, effectively remove adhered polyethylene wax and impurities, reduce maintenance difficulty, save cleaning time and manpower cost.

The utility model discloses a cutting fluid two-way separating and filtering mechanism which comprises a filtering box, the top end of the filtering box is movably connected with a box cover, the two ends of the two sides of the bottom of the filtering box are fixedly connected with supporting legs, and the bottom ends of the two sides of the filtering box are fixedly connected with liquid outlet pipes. And the top end of the box cover is provided with a two-way separation mechanism for classified filtration. According to the cutting fluid two-way separating and filtering mechanism, the electric cylinder is arranged, cutting fluid is guided into the feeding hopper during filtering, the oil concentration detector in the feeding hopper can automatically detect the oil concentration in the cutting fluid so as to judge the type of the cutting fluid, and information is transmitted to the controller; the controller detects a signal to start the electric cylinder to drive the material blocking seat to move through the piston rod, the material guiding valve is opened after the material blocking seat is moved to a designated position, the cutting fluid can flow towards one side and is guided into one side of the interior of the filtering box through the liquid conveying opening in the bottom to be filtered, and the problem that classified filtering cannot be achieved is solved.

The application discloses high-purity copper sulfide prepared from acid wastewater and a method thereof, and belongs to the technical field of metallurgy, and particularly relates to a method for recovering high-purity copper sulfide from molybdenum metallurgical wastewater. In the method, first, sodium hydroxide is used to adjust PH, so that heavy metals such as copper and iron are precipitated, and molybdenum exists in the form of molybdate in the solution, and separation of molybdenum is realized. After the separation, the precipitate is subjected to ammonia reverse dissolution, sodium hydrosulfide precipitation, water washing, acid washing and water washing, and finally high-purity copper sulfide with qualified quality is obtained. The application takes "alkaline complexation-selective sulfidation precipitation-purification and refining" as the core, and successfully recovers high-purity copper sulfide (purity greater than or equal to 99.5%) from copper-iron-containing heavy metal wastewater.