18199results about "Filtration circuits" patented technology

The present invention relates to the technical field of waste gas treatment, and discloses a low carbonic acid tower for tertiary carbonic acid production, the low carbonic acid tower comprises a tower body, the inner wall of the tower body is provided with a plurality of groups of support frames, the support frames are internally provided with filler layers, the lower parts of the support frames are provided with distribution plates, and trickling ports are uniformly distributed at the bottom of a spray pipe, so that the tertiary carbonic acid production efficiency is improved, and the tertiary carbonic acid production efficiency is improved. According to the waste gas absorption tower, through the arrangement of the filter layer, dripped absorption liquid can better cover the interior of the tower body, so that waste gas and the absorption liquid can be better in countercurrent contact, when the absorption liquid flows through the arranged filler layer, the contact area of the absorption liquid and the waste gas can be increased, and an adsorption sieve in the filler layer can also adsorb some harmful substances in the waste gas; and the distribution plate is arranged below the spraying pipe, so that the absorption liquid can be secondarily distributed and is uniformly distributed in the tower body again, and the condition of non-uniform distribution of liquid drops is avoided.

The invention relates to the technical field of water and fertilizer drip irrigation, in particular to a biogas slurry, water and fertilizer integrated drip irrigation machine. Comprising a filter cartridge which is coaxially arranged in the outer cylinder, a coarse filter screen, a fine filter screen, a first scraper blade and a second scraper blade are arranged in the filter cartridge, water permeable holes are annularly and uniformly formed in the outer side wall of a lower cavity, and a water outlet is formed in the outer side wall of the lower cavity. And a blow-off pipe communicated with the filter cartridge is arranged at the bottom of the outer barrel. By means of multi-layer fine filtering combination, biogas slurry is purified at an irrigation inlet, impurities are reduced, a drip irrigation head is prevented from being blocked, and the irrigation efficiency is improved; the rotary driving mechanism regularly drives the scraping plate to accurately scrape impurities, and automatic cleaning and discharging are achieved by means of the locking opening and closing device and the movable sealing plate; the flow guide cover optimizes biogas slurry dispersion, deals with unstable supply and reduces pipe inlet pressure.

A water filter system includes an upper chamber removably coupled with a lower chamber. In implementations the lower chamber has a sidewall and a rim wider than the sidewall. A filter medium filters water from the upper to the lower chamber. A seal couples between the chambers and has a circular cross-section and a gap receiving a portion of the sidewall. The seal may also have a cavity receiving the rim. The seal includes one or more arced flaps contacting the upper chamber, a tip of each arced flap defining a circular inner opening of the seal. The seal includes one or more first barbs contacting the upper chamber, each first barb forming a circle. The seal includes one or more second barbs contacting the lower chamber, each second barb forming a circle.

The invention provides a sulfamic acid continuous crystallization production device and process, the sulfamic acid continuous crystallization production device comprises a filter box and a production box, the production box is fixedly connected to the upper surface of the filter box through bolts, the top end of the production box is provided with a feeding pipe, the middle part of the interior of the production box is provided with a partition plate, and the middle part of the partition plate is provided with a conveying pipe; a discharging pipe, a production reaction module and a filtering and cleaning module are arranged between the production box and the filtering box. According to the sulfamic acid continuous crystallization production device and the sulfamic acid continuous crystallization production process, in the sulfamic acid continuous crystallization production process, when sulfamic acid crystals are filtered out from mother liquor through the filter cartridge, purified water is sprayed into the filter cartridge through the spray head; and the sulfamic acid crystals can be quickly and uniformly washed to remove impurities through the filter cartridge which continuously shakes in a reciprocating manner in the rotating process, so that the continuous crystallization production efficiency of the sulfamic acid can be effectively improved.

The invention discloses a device and a method for producing oxamide, and relates to the field of chemical production. The method for producing oxamide specifically comprises the following steps: mixing a methanol solution of liquid ammonia and a methanol solution of dimethyl oxalate, carrying out ammonolysis reaction, carrying out flash evaporation, filtration and drying on first slurry obtained after the reaction is finished to obtain solid oxamide, and refining a liquid phase obtained by solid-liquid separation of the first slurry to obtain a byproduct methanol, ammonia in the tail gas is washed and absorbed by dimethyl oxalate and then returns to a reaction system. In the oxamide production process, dimethyl oxalate reacts with ammonia gas in mixed gas generated in the reaction process, and the obtained product is continuously subjected to subsequent ammonolysis reaction, so that the utilization rate of reaction materials is increased; meanwhile, a condenser is not used for condensing ammonia gas and methanol and then separating alcohol and ammonia, so that condensing equipment and cooling water are saved, the production cost is reduced, and industrial production is facilitated.

The invention provides a chemical sewage advanced treatment system and method based on multistage membrane separation, and relates to the technical field of chemical sewage treatment.The method comprises the steps that pollution load data under preset membrane flux is collected, and the cascade reflux amount in the current membrane separation process is determined through the pollution load data and a real-time pressure index during membrane separation filtration; according to the separation interference deviation, the steady-state filtering period of the membrane separation filtering grade in the constant flux change is predicted, the steady-state filtering period is synchronously screened, and the full-flow separation limit of the multistage membrane separation unit in different pollution loads is obtained; and generating a separation regulation and control index when the equivalent flux generates peak offset according to the cascade reflux quantity and the full-flow separation limit, and performing starting point triggering on the treatment flow of the multistage membrane separation sewage and dirt. Under the dynamic working condition of operation of the multistage membrane separation system, balance adjustment can be carried out on the advanced treatment process trigger of the chemical sewage, so that the standard-reaching rate of membrane separation chemical sewage advanced treatment is increased.

The invention discloses a process and a device for producing oxamide, and relates to the field of chemical production. The invention provides a process for producing oxamide, which specifically comprises the following steps: mixing a methanol solution of liquid ammonia and a methanol solution of dimethyl oxalate, carrying out ammonolysis reaction, carrying out flash evaporation, filtration and drying on first slurry after the reaction is finished to obtain solid oxamide, and carrying out liquid phase refining to obtain a byproduct methanol, ammonia in the tail gas is washed and absorbed by dimethyl oxalate and then returns to a reaction system. The methanol solution of dimethyl oxalate is used for absorbing excessive ammonia in the reaction process, and the reaction product is continuously used for producing oxamide, so that methanol and ammonia can be thoroughly separated, the conversion rate of ammonia can be greatly improved, and the economical efficiency of the production process is improved; meanwhile, tail gas containing ammonia is not discharged, and the environmental protection property of the production process is improved.

The invention discloses a high-efficiency multiphase flow classification and separation integrated treatment method for argillaceous sandstone uranium ore. The crushed argillaceous sandstone uranium ore mixed material is sequentially subjected to hydraulic polishing and cluster breaking treatment, high-frequency linear vibration grading treatment, first-stage multiphase flow rotational flow grading treatment, deep low-frequency efficient ultrasonic scrubbing treatment, second-stage multiphase flow rotational flow grading treatment, jet flow uniform mixing treatment, micro-current activating treatment, hardening and tempering thickening and efficient squeezing solid-liquid separation treatment. According to the invention, mud and sand deep stripping and material fine grading separation of the crushed argillaceous sandstone uranium ore are realized, meanwhile, the fine-particle argillaceous material is subjected to efficient uniform mixing activation and deep efficient dehydration, and four core materials, namely a coarse sand material, a fine sand material, tailing dry slag and a high-concentration uranium ore leaching solution, are finally formed through continuous work; finally, efficient multi-phase flow fractional separation, concentration and purification treatment of the argillaceous sandstone uranium ore is achieved, residues of uranium elements in tailings are reduced, and the deep extraction rate of uranium ore resources is increased.

The water conservancy construction drainage device comprises a slag collecting cylinder, an outer cylinder, an inner cylinder and a connecting cylinder, the inner cylinder is fixed to the top of the inner wall of the outer cylinder and coaxially arranged, the connecting cylinder is a circular truncated cone cavity and fixed to the bottom of the outer cylinder, the connecting cylinder is fixed to the top of the slag collecting cylinder, and spiral flow guide fins are arranged on the inner wall of the outer cylinder; a fixing ring is fixedly connected to the position, close to the top, of the surface of the outer cylinder, a water inlet is fixedly connected to the top of the fixing ring and is of a gradually-shrunk flow guide structure, one end of the water inlet extends into the outer cylinder in the tangential direction, and the bottom of the isolation cylinder communicates with a filter cylinder which is obliquely installed at the bottom of the isolation cylinder. One side in the filter cartridge is communicated with a sand collecting box, and a plurality of layers of self-adaptive filter screens are arranged in the filter cartridge. The drainage device for water conservancy construction relates to the technical field of water conservancy drainage, and can reduce blockage of the filter screen, improve the filtering effect, prevent fine silt from entering the pump body and ensure smooth drainage at the same time.

The invention belongs to the technical field of condiment production, and particularly relates to a condiment processing and extracting device and a condiment processing technology.The extracting device comprises an extracting mechanism, a first filtering mechanism, a second filtering mechanism, a residue discharging mechanism and a solvent recycling mechanism, and the extracting mechanism comprises an extracting tank and a control valve block; the control valve block is arranged at a discharging port in the lower end of the extraction tank, the first filtering mechanism is installed on the second filtering mechanism and connected with the control valve block through a pipeline, the second filtering mechanism is connected with the solvent recycling mechanism through a pipeline, and the slag discharging mechanism is installed on the first filtering mechanism and connected with the solvent recycling mechanism through a pipeline. Through cooperation of the combined filter screen and the liquid inlet assembly, the filtering efficiency is effectively improved, the technical problems that the production period is prolonged and the content of residual solids is high are solved, and through cooperation of the control valve block and the first filtering mechanism, the dynamic continuous separation function can be achieved.

An apparatus for wastewater filtration having a barrel, a basket and a screw on a shaft rotating therein for pushing solid in a distinct output. A removable cartridge comprises a cover for the barrel, the cartridge comprising a pre-sealed shaft connector which releasably connects to at least the upper shaft portion or the lower shaft portion to form the shaft. The screw comprises a brush on an outer rim thereof, the brush having radially outwardly oriented bristles that scrape an inner surface of the basket. The screw comprises a winged wiper at a bottom thereof for sweeping a bottom surface of the barrel, and the solid-material output is provided at the bottom surface of the barrel and is shaped as a rectangular opening which is offset from a central axis of the screw. Solid removal efficiency and maintenance are thereby improved.

The utility model provides an intercepting and purifying device suitable for river-entering farmland ditches, which comprises an intercepting structure and a purifying structure, the intercepting structure comprises a sludge deposition and grit chamber and a steel grating, a denitrification device containing denitrifying phosphorus-accumulating bacteria and adsorptive mineral materials is placed in the sludge deposition and grit chamber, and the steel grating is arranged in the sludge deposition and grit chamber. A sand setting inlet and a sand setting outlet are formed in the two opposite sides of the steel grating respectively, the steel grating is arranged at the sand setting outlet, and the sand setting inlet is used for being communicated with an ecological ditch; the purification structure comprises an ecological purification pond and a gabion packing bed, the ecological purification pond is provided with a purification inlet and a purification outlet, gabions are arranged at the purification inlet and the purification outlet, the ecological purification pond is tightly attached to the sludge deposition and grit chamber, the purification inlet is opposite to and communicated with the grit inlet, and the gabion packing bed is arranged in the sludge deposition and grit chamber. And the gabion packing bed is arranged in the ecological purification pond.

The invention discloses a spunlace non-woven fabric energy-saving zero-discharge water treatment and cyclic utilization system and a method thereof, and particularly relates to the technical field of water treatment and cyclic utilization. The pretreatment mechanism comprises a filter box, a first filter plate, a second filter plate, a first return pipe, a second return pipe, a pressure valve and a backwashing nozzle, the inner wall of the top of the filter box is connected with the first filter plate, the bottom of the first filter plate is provided with the second filter plate, and the outer wall of one end of the bottom of the filter box is communicated with the first return pipe; a second backflow pipe is arranged on the side, away from the first backflow pipe, of the filter box. According to the device, the back washing effect is achieved through internal inflow water backflow when the second backflow pipe and the first backflow pipe are blocked, cleaning work is carried out under the limiting condition, the filtering process is prevented from being affected by blocking, cleaning work can be carried out under the non-stop condition, and cleaning work of the two sets of filter plates can be completed without a power mechanism.

The invention discloses container type sewage treatment equipment and a container type sewage treatment process, relates to the technical field of sewage treatment, and solves the technical problem that hard particle impurities are blocked in filtering holes and are difficult to effectively remove, so that the filtering efficiency is influenced. Comprising a container and a treatment unit on the top of the container, a fence is installed in the container and divides an inner cavity of the container into a precipitation cavity and a filtering cavity, a guide pipe connected with the treatment unit is installed at the position, close to the bottom end, of the fence, an overflow mechanism is installed between the precipitation cavity and the filtering cavity, and a transverse plate is installed between the cavity walls, close to the bottom end, of the filtering cavity; a plurality of filtering pieces are rotationally mounted on the transverse plate, anti-blocking mechanisms for dredging the filtering pieces are arranged in the filtering pieces, and shifting mechanisms for driving the filtering pieces to rotate at equal intervals are mounted at the tops of the filtering pieces. The filtering holes in the filtering piece can be conveniently dredged in sequence, so that hard blockages clamped in the filtering holes can be conveniently and effectively removed, and the filtering efficiency of sewage can be ensured.

A slurry separation and purification device for bridge pile foundation excavation, comprising a temporary storage tank (1) and a settling tank; a residue guide channel (11) is fixedly connected to one side of the temporary storage tank (1), and the other side is rotatably connected to a circular pipe (12); the temporary storage tank (1) is fixedly connected to a support (13), the support (13) being fixedly connected to an inner pipe (14); the circular pipe (12) is rotatably sleeved on the outside of the inner pipe (14) and is rotatably connected thereto, the other end of the inner pipe (14) is connected to a water pump, and the other end of the circular pipe (12) is fixedly connected to an extraction and filtering device (2); the extraction and filtering device (2) comprises a branch pipe (21), the branch pipe (21) being communicated with the circular pipe (12); a filtration cone (22) is provided at the end of the branch pipe (21) away from the circular pipe (12), and the bottom of the filtration cone (22) is provided with a suction pipe (23); a blocking plate (24) is hinged to the upper end of the suction pipe (23), a torsional spring being provided on a hinge shaft of the blocking plate (24), and a discharge port (25) being provided at the upper end of the filtration cone (22); the support (13) is fixedly connected to a driving device (3), and the driving device (3) drives the circular pipe (12) to rotate forwards and backwards alternately.

The invention provides equipment for extracting lithium from electrolytic aluminum slag and a process for extracting lithium and co-producing cryolite, and relates to the technical field of solid waste treatment, the equipment comprises a bottom plate, a heating tank, an extracting tank, a filtering tank, a top cover, a driving mechanism, a switching mechanism and a mixing mechanism; the heating tank is installed on the upper surface of the bottom plate, the extraction tank is installed inside the heating tank, the filtering tank is installed inside the extraction tank, the top cover is installed on the upper surface of the filtering tank in a sealed mode, and a liquid inlet pipe and a feeding pipe are installed inside the top cover. According to the scheme, the conical mixing barrel and the linkage overturning type material mixing plate are adopted, the material mixing plate can overturn caustic soda flakes into the electrolytic aluminum slag, then the caustic soda flakes and the electrolytic aluminum slag are mixed through the material mixing rod, it can be guaranteed that the caustic soda flakes can be evenly mixed with the electrolytic aluminum slag through the design, and it is guaranteed that the caustic soda flakes can be well attached to the surface of the electrolytic aluminum slag; and rapid overheating can be avoided when the subsequent caustic soda flakes are contacted with water, so that the filter tank works more stably and safely.

The utility model discloses an energy-saving hollow fiber degassing membrane component which comprises a filter box, the end part of the filter box is communicated with a degassing cylinder, the top end of the degassing cylinder is connected with a liquid outlet, the bottom end of the filter box is connected with a liquid inlet, the inside of the filter box is fixedly connected with a filter screen, one side of the filter screen is provided with a cleaning mechanism, and the other side of the filter screen is provided with an air inlet. The cleaning mechanism comprises two cleaning screw rods and a collecting box. The utility model belongs to the technical field of hollow fiber degassing membranes. According to the energy-saving hollow fiber degassing membrane assembly, a cleaning knob is rotated to move a scraping plate to scrape off sundries on a filter screen, the scraping plate continues to move to push away a movable baffle and push the sundries into a collecting box, then a shifting block is pulled, the shifting block moves to drive a scraper to move, and the scraper moves to scrape off the sundries adhered to the scraping plate; and then the cleaning screw rod is reversely rotated to reset the scraping plate, impurities on the filter screen are cleaned and collected, the filter screen is prevented from being blocked, cleaning is convenient, and therefore the use convenience can be effectively improved.

The invention relates to the technical field of tailing mud treatment, and discloses a solid-liquid separator for treating tailing mud, which comprises a support frame, the top of the support frame is fixedly provided with a vertical plate I and a vertical plate II, the outer wall of the vertical plate II is fixedly provided with a fixed seat, and the top of the fixed seat is fixedly provided with a central control box; a cross beam is fixedly assembled between the first vertical plate and the second vertical plate, a sliding groove is formed in the outer wall of the cross beam, a filter plate is arranged on the outer wall of the cross beam, a circular groove is formed in the inner wall of the filter plate, and a solid-liquid separation assembly is arranged on the inner wall of the circular groove. An electric telescopic rod II is started under the control of a weighing display instrument, so that an arc-shaped plate can lift a lapping block to move up and down, a filter plate can perform high-frequency vibration, a filter cake can quickly fall off from the filter plate, discharging is more thorough, meanwhile, the cleanliness of equipment is improved, and the device is high in discharging speed and convenient to use. And the influence of filter cake residues on the next filtering process can be effectively avoided, and the discharging efficiency is improved.

The invention discloses a sewage treatment device for a concrete mixing station, which specifically relates to the technical field of sewage treatment, including a sewage sedimentation tank, a sewage inlet and a sewage outlet, wherein a filter screen is installed in the sewage sedimentation tank, and the filter screen is used to filter impurities carried by sewage in the sewage sedimentation tank: a sewage quick-pass component is used to clean impurities adsorbed on the surface of the filter screen, and to clean the impurities on the surface of the filter screen again by relying on water flow, wherein the sewage quick-pass component comprises a mounting plate arranged on one side of the filter screen and a cleaning column fixedly connected to one side of the mounting plate; the invention can clean impurities adsorbed on the surface of the filter screen through the arrangement of the sewage quick-pass component, can prevent a large amount of impurities from gradually accumulating on the surface of the filter screen, improve the filtering effect of the filter screen on the sewage in the sewage sedimentation tank, is beneficial to the normal operation of sewage treatment, and enhances the sewage treatment efficiency of the device.

The invention discloses a centrifugal precipitation device suitable for sewage treatment, relates to the technical field of sewage centrifugal precipitation, and is used for solving the problems that automatic adjustment and deslagging cannot be performed according to the load condition of a centrifugal mechanism, and the service life of equipment is shortened due to long-time load work of the centrifugal mechanism. The rotating speed of the rotating shaft is adjusted through the electric control box, the height of the balance weight ball connected with the rotating arm is adjusted through the rotating speed adjustment of the rotating shaft, a baffle on the sleeve completes locking of the filter cylinder and abutting against the bottom of the filter cylinder, rotation assistance is carried out, and sliding of the sleeve can push a blocking piece in a drainage cavity to move; sewage which continuously inflows enters the bottom of the filter cartridge, centrifugal filtration work of the sewage is completed in the rotating process of the filter cartridge, when the filtering rate of the filter cartridge is reduced, the baffle is automatically pressed down by utilizing the weight of the sewage, automatic discharge of precipitated sewage is achieved, finally, the electric push rod is started through the electric control box, the scraping rod is pushed in, and cleaning of the inner wall of the filter cartridge is completed.

The utility model discloses a crystal film fluidized bed treatment system aiming at high-hardness water treatment, the system mainly comprises a crystallization fluidized bed and a multi-layer flat film microfiltration device, and the crystallization fluidized bed device is of an inner-layer and outer-layer cylinder structure and is provided with a slag discharge pipe, a water inlet pipe, an annular dosing pipe, an inclined pipe enhanced separation device and a water outlet pipe; the multi-layer flat membrane microfiltration equipment is provided with a water inlet pipe, a water outlet pipe, a buffer water tank, a cleaning mechanism, a metal membrane, a sludge tank and the like; when the system runs, high-hardness raw water firstly enters the crystallization fluidized bed for softening treatment, and then enters the multi-layer flat membrane microfiltration equipment for further removing hardness and turbidity after treatment; the adopted system combining the crystallization fluidized bed and the flat membrane microfiltration equipment can effectively remove the hardness and turbidity of water, flocculation and coagulation agents do not need to be added, the adverse effect of the coagulation agents on a subsequent membrane system is effectively avoided while the operation cost of the system is reduced, the hardness and turbidity of the water can be effectively removed, and the service life of the system is prolonged. Various ions in the water are synchronously removed.

The invention discloses tea juice treatment equipment, and relates to the technical field of tea juice treatment. The device comprises a separation net provided with a through hole, a cutter head and a dial wheel plate crushing assembly which are coaxially arranged up and down, an adjustable magnetic coupling driving part composed of an electromagnet and a planetary gear, a bidirectional flow centrifugal separation chamber, a filter element fine filtration cavity and a non-stop screw deslagging mechanism. Flushing wastewater is actively pre-crushed and then tangentially guided to a centrifugal cavity, and solid and liquid are rapidly separated under the synergistic effect of centrifugal force and suction pressure difference; a liquid phase is subjected to center suction, refined filtration, clarification and discharge, and a solid phase settles along the inner wall and is automatically conveyed to the outside for sealed collection. According to the system, the rotating speed is adjusted in a closed-loop mode through online particle monitoring, load self-adaption and low-energy-consumption operation are achieved, filter screen blockage, shutdown cleaning and peculiar smell diffusion are avoided, and the system is suitable for on-site up-to-standard treatment of tea residue sewage in the peak period of a catering store.

The invention discloses a method for purifying p-dioxanone by coupling vacuum distillation with solution crystallization, which comprises the following steps of: firstly, removing light and heavy impurities from a p-dioxanone crude product in a vacuum distillation manner; and the rectified and purified p-dioxanone enters a crystallizer to be subjected to solution crystallization operation to obtain high-purity p-dioxanone, and crystallization mother liquor is returned to vacuum rectification after the solvent is removed.

The invention relates to the technical field of planting, in particular to drip irrigation equipment for agricultural water-saving irrigation, and aims to overcome the defects that according to drip irrigation equipment in the prior art, a drip irrigation pipe is damaged and the planting efficiency is affected due to the fact that the drip irrigation pipe is inconvenient to automatically release and wind and is inconvenient to wash. According to the scheme, the device comprises a fixing frame; the number of the moving wheels is four, and the four moving wheels are all installed at the bottom of the fixing frame; the intelligent electromagnetic valve control cabinet and the intelligent water and fertilizer all-in-one machine are fixedly mounted at the top of the fixing frame; the storage barrel is fixedly installed at the top of the fixing frame, a stirring shaft is rotatably installed at the top of the storage barrel, and a plurality of blades are fixedly installed on the stirring shaft. According to the drip irrigation device, a drip irrigation pipe can be conveniently and automatically released and wound, the drip irrigation pipe can be conveniently washed, the situation that the drip irrigation pipe is damaged is avoided, and the planting efficiency is improved.

The invention relates to the technical field of flow detection, and discloses a device and method for detecting the flow of gas-liquid two-phase flow in a microtubule, the device comprises a separation mechanism, the separation mechanism further comprises a main body, the inner wall of the main body is fixedly connected with an annular plate, the left side of the main body is fixedly connected with an inlet pipe, and the right side of the main body is fixedly connected with a liquid outlet pipe; after the fluid flows into the top of the spiral plate, the fluid flows downwards along the spiral plate, the fluid is subjected to the action of centrifugal force and centripetal force in the flowing process, so that the flow speed is changed, the fluid is subjected to the action of the centrifugal force, liquid with high density is thrown to the outer side, and gas with low density is concentrated in a central area; the liquid in the fluid continuously flows downwards and flows into the liquid outlet pipe through the through groove under the influence of gravity, so that the liquid in the fluid can be separated and measured respectively after being separated, mutual interference between gas-phase flow and liquid-phase flow can be avoided, and the accuracy of a measurement result is improved.

The utility model provides a sewage treatment sedimentation tank and belongs to the technical field of sewage treatment sedimentation tanks. The sewage treatment sedimentation tank comprises a sedimentation tank body, a sewage disposal mechanism and a filtering mechanism, a water inlet pipe and a water outlet pipe are installed on the side wall of the sedimentation tank body, the bottom of the sedimentation tank body is communicated with a sewage collection bin, a sewage discharge pipe is installed on the lower portion of the sewage collection bin, the sewage disposal mechanism comprises a scraper, a lead screw and a support, and the scraper is installed in an inner cavity of the sedimentation tank body in a sliding mode. Sliding blocks are fixedly installed on the side walls of the scrapers, and sliding grooves are formed in an inner cavity of the sedimentation tank. According to the sewage disposal device, the sewage disposal mechanism is arranged, the motor drives the lead screw to rotate, the threaded block drives the scraping plate to move, sludge in the sedimentation tank is scraped into the sewage collection bin, meanwhile, the sewage discharge pipe is opened, the lead screw rotates to drive the fourth gear to rotate and drive the third gear and the rotating shaft to rotate, and therefore the second gear drives the first gear and the spiral blade to rotate; sludge in the dirt collecting bin is discharged through the blow-off pipe, the sludge is prevented from blocking the blow-off pipe, and cleaning is convenient.

The invention relates to the technical field of oil filters, in particular to a digital control oil filter. The filter press comprises a filter barrel and a filter pressing assembly. According to the device, in the process that the stirring barrel rotates in the first filtering cavity to drive the stirring rod to stir oil plants to accelerate exhaust of the oil plants, the stirring barrel drives the filter pressing plate to do up-down reciprocating motion in the second filtering cavity through the inner thread sleeve at the same time, when the filter pressing plate moves downwards, the oil channel is blocked and closed, and the filter pressing plate can compress the oil plants in the second filtering cavity; the piston shaft moves downwards in the suction pipe, so that the inner volume of the suction pipe is increased to form negative pressure, the oil in the negative pressure cavity is adsorbed, passes through the one-way valve and then enters the suction pipe to be temporarily stored, when the filter pressing plate moves upwards, the oil channel is smooth, and the oil temporarily stored in the suction pipe falls into the second filter cavity through the oil channel; therefore, the oil in the negative pressure cavity is introduced into the second filtering cavity, the oil in the second filtering cavity is compressed, and the oil filtering effect can be improved.

The invention discloses an efficient multiphase flow fractional separation, concentration and purification treatment system for argillaceous sandstone uranium ore. Comprising a hydraulic polishing and breaking pretreatment device, a high-frequency linear vibration classification device, a first-stage multiphase flow cyclone classification device, an energy-gathered ultrasonic scrubbing device, a second-stage multiphase flow cyclone classification device, a high-frequency linear vibration dehydration device, an efficient uniform mixing activation system and a tempering squeezing dehydration system. According to the invention, mud and sand deep stripping and material fine grading separation of the crushed argillaceous sandstone uranium ore are realized, meanwhile, the fine-particle argillaceous material is subjected to efficient uniform mixing activation and deep efficient dehydration, and four core materials, namely a coarse sand material, a fine sand material, tailing dry slag and a high-concentration uranium ore leaching solution, are finally formed through continuous work; finally, efficient multi-phase flow fractional separation, concentration and purification treatment of the argillaceous sandstone uranium ore is achieved, residues of uranium elements in tailings are reduced, and the deep extraction rate of uranium ore resources is increased.

The invention relates to the technical field of chemical separation, in particular to a cyclohexanone rectification and purification method based on high-tower segmented packing, which comprises the following steps: step 1, filtering a cyclohexanone raw material containing impurities to remove solid particles, and dynamically adjusting the filtering precision according to the viscosity of the raw material; 2, arranging a bottom section, a middle section and a top section in the vertical high tower; the temperature gradient of each section is regulated and controlled through an independent temperature control unit, so that the temperature gradient of the middle section is matched with the relative volatility of the cyclohexanone-light component; 3, dynamically adjusting the reflux ratio based on the real-time detection result of the purity of the tower top distillate, and controlling an intermittent discharge valve according to the density change of the tower bottom heavy component enrichment liquid so as to continuously remove the heavy components; and 4, recycling the waste heat of the steam at the top of the tower for preheating the raw materials, and inhibiting the tower pressure fluctuation through a buffer tank. Through the innovative design of sectional packing of the high tower, the separation efficiency is improved, the energy consumption is reduced, and meanwhile, the equipment reliability 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.