5304results about "Filtration circuits" patented technology

The invention relates to the technical field of filtering and separating equipment, and particularly discloses precipitation method white carbon black diluted slurry filtering and separating equipment which comprises a collecting base, the top of the collecting base is fixedly connected with a separating pipe, the top of the separating pipe is fixedly connected with an extruding device, and the side face of the separating pipe is fixedly connected with a guide-in pipe. The bottom of the separation pipe is sleeved with and slidably connected with a separation pool, the extrusion device extends into the separation pipe and is slidably connected with the separation pipe, the extrusion device comprises a motor, a filtering hole is formed in the top of the extrusion bottom plate, and an arc-shaped sliding groove is formed in the side face of the extrusion bottom plate; the bottom of the extrusion bottom plate is fixedly connected with a straight extrusion plate, the bottom of the straight extrusion plate is communicated with an arc-shaped extrusion plate, the side face of the motor is fixedly connected with the top of a separation pipe through a support, and the precipitation method white carbon black diluted slurry filtering and separating equipment achieves the purpose of facilitating filtering and separating.

The invention relates to the technical field of gel separation and extraction, in particular to a precipitation and separation device for elastin gel preparation, which comprises a precipitation cylinder, a liquid outlet is arranged above the circumferential side wall of the precipitation cylinder, and a cleaning ring for cleaning attached gel is arranged in the precipitation cylinder. A cleaning ring is arranged in the precipitation cylinder, a filtering mechanism for intercepting gel is arranged at the center of the cleaning ring, the filtering mechanism is rotatably connected with the cleaning ring, and a driving mechanism for driving the cleaning ring to slide up and down is arranged at the top end of the cleaning ring. The cleaning ring is arranged on the bottom of the precipitation cylinder, elastin gel attached to the inner wall of the precipitation cylinder is effectively scraped, meanwhile, the filtering mechanism moves downwards along with the cleaning ring, the water-phase solution is allowed to penetrate through the filtering mechanism to intercept gel particles, floating and floating of the gel particles in the water-phase solution are avoided, it is ensured that the gel particles can be smoothly precipitated to the bottom of a container, and the recovery efficiency of the gel is improved.

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 application discloses a bipolar membrane electrodialysis device, which comprises an outer box body and further comprises a liquid inlet mechanism, a plurality of electrodialysis mechanisms and a plurality of filtering mechanisms. The filtering mechanism comprises a filtering box, a driving filtering assembly and a liquid feeding assembly. The driving filtering assembly comprises a motor installed on the top of the filtering box, the output shaft of the motor is fixedly connected with a threaded rod, the outer periphery of the threaded rod is threadedly connected with a filtering plate slidingly connected to the inner wall of the filtering box, and the bottom inner wall of the filtering box is fixedly connected with a plurality of plug rods matched with filtering holes of the filtering plate. Raw water is delivered to the inside of the filtering box through the liquid inlet mechanism, is actively filtered without turbulence through the driving filtering assembly, is delivered to the corresponding electrodialysis mechanism through the liquid feeding assembly and is further subjected to electrodialysis treatment. The filtering plate and other components are arranged to filter out the solid impurities mixed in industrial glucose acid salt, so that the bipolar membrane electrodialysis process and the bipolar membrane body are not affected.

The invention relates to the technical field of nitrate production, in particular to a potassium nitrate purification device which comprises a dissolving tank, a filtering device, a crystallization kettle, a centrifugal machine and a drying machine with a steam jacket which are sequentially connected in series through pipelines. The dissolving tank first jacket is connected with a heat source through a circulating pipeline; a liquid outlet of the centrifugal machine is sequentially connected with the cyclone separator, the ceramic membrane filter, the cationic resin column, the first temporary storage tank and the heat source, and the first heat exchanger and the second heat exchanger are sequentially installed between the first temporary storage tank and a heating medium inlet of the heat source. A steam outlet pipeline of the steam jacket is connected with a heat medium inlet of the first heat exchanger, the first heat exchanger is connected with the second temporary storage tank through a pipeline, and the second temporary storage tank is connected with the heat source through a pipeline. A pipeline of the second vacuum unit is connected with a thermal medium inlet of a second heat exchanger, and the second heat exchanger is connected with a second temporary storage tank. According to the method, the potassium nitrate purification efficiency, the product purity, the resource utilization rate and the energy economy are synergistically improved.

The invention belongs to the technical field of civil engineering technical construction, and particularly relates to a quantitative prediction method for engineering slurry and muck recycling output, which comprises the following steps: S1, synchronizing a construction scene in real time through BIM / GIS and Internet of Things data, and generating a virtual mirror image of a slurry / muck generation process; s2, correcting a theoretical model error according to real-time monitoring data; s3, predicting the mud / muck yield and the resource rate by adopting a time sequence analysis method and combining with a machine learning algorithm, and quantifying uncertainty; s4, dynamically optimizing model parameters through error feedback, and realizing a prediction-monitoring-correction closed loop; through cooperation of the structures, exclusive correction rules are formulated for different construction types, theoretical model errors can be corrected in time according to stratum changes and construction disturbance, and the adaptability of the model under different working conditions and the reliability of prediction results are improved.

A fluid strainer that is meant to remove debris from a fluid stream and including a housing having in inlet port defined at an inlet wall of the housing and an outlet port that is opposite to the inlet port and that is defined by an outlet wall of the housing; the housing defining an interior chamber through which the fluid flows; a strainer basket that is disposed within the housing chamber; the strainer basket having an open inlet end into which the fluid flows from the housing inlet, opposed sidewalls including a pair of tapered outlet walls that merge and direct the fluid flow to the housing outlet port and an outlet end wall; and a bar that is disposed within the housing that is located adjacent to and across the outlet port for spacing the outlet end wall of the strainer basket from the housing outlet wall.

A fluid strainer that is meant to remove debris from the flow of fluid through a strainer and that includes a housing having inlet and outlet ports. The housing defines an interior chamber through which the fluid flows. The fluid strainer including a single strainer basked disposed within the housing chamber. The strainer basket has open input end into which the fluid flows from the housing inlet and opposed side walls that extend in the direction of the fluid. The strainer basked further includes an open output end that is comprised of a pair of tapered output wall that direct the fluid flow to the housing outlet port. The strainer housing also includes a side inlet pipe for receiving filtration media.

The invention belongs to the technical field of engineering hydraulic oil cylinders, and particularly relates to a hydraulic oil cylinder with a filtering mechanism for reducing pollutant accumulation. An air inlet pipe is directly connected with an external cold air source, cold air can be directly diffused in a device box and wraps a hydraulic oil cylinder body, and meanwhile a motor drives fan blades to rotate through a third rotating shaft; according to the oil cylinder cooling device, flowing of cold air in the device box body can be accelerated, the heat dissipation effect of the oil cylinder can be enhanced, heat accumulation caused by local retention of the cold air can be avoided, meanwhile, suspended dust generated by cleaning of the cleaning brush, small impurities which are not settled in the cold air and falling objects in the using process of the cleaning brush can be sucked, and the cleaning effect is improved. And the cleaning rod rotates under the rotation of the third rotating shaft, so that the impurities blocked by the second filter screen are cleaned, and the impurities enter a first collecting box through a connecting pipe.

The invention belongs to the technical field of impurity separation, and particularly discloses a method for separating and purifying impurities in a process for preparing glyoxylic acid through oxalic acid electrolysis, a crystallization kettle is included, an isolation device is arranged in the crystallization kettle, and the isolation device comprises a conical top cover, a conveying pipe, an annular filter screen, a directional conveying assembly and a sealing assembly; the conical top cover is arranged at the axis of the crystallization kettle, an opening of the conical top cover faces downwards, and a plurality of fixing rods are fixedly connected between the top of the conical top cover and the inner wall of the side face of the crystallization kettle. According to the method, glyoxylic acid product solutions with different concentration specifications and the high-purity glyoxylic acid crystal can be obtained after the electrolyte is sequentially subjected to pre-evaporation, electrodialysis, secondary evaporation, cooling crystallization, solid-liquid separation, washing and drying and other procedures, so that the prepared high-purity glyoxylic acid crystal can be popularized and applied in the field of high-end medicine.

The invention discloses a microbial sewage treatment device with a pretreatment function, and relates to the field of wastewater treatment, in particular to a settling pond for removing large-particle impurities in sewage and allowing the sewage to settle, the upper part of the settling pond is open, the settling pond is provided with a partition plate which is lower than the settling pond, and one side of the partition plate is provided with a first settling chamber; a filter screen is arranged at the upper end of the first precipitation chamber and is arranged in an elastic lifting manner in the height direction of the first precipitation chamber. By arranging the sedimentation tank, the treatment tank and the structures such as the partition plate, the filter screen and the overflow hole in the sedimentation tank, large-particle impurities in sewage can be effectively removed, interference to subsequent treatment links is reduced, and the sewage can be more efficiently purified and treated by microbiological treatment particles in a filter cotton plate after entering the treatment tank; therefore, the treatment efficiency of the whole sewage treatment device is improved, and the problems of slow recovery and low efficiency of the A / O biochemical system are solved.

The invention discloses a sampling device for groundwater microorganism detection, and belongs to the technical field of groundwater detection equipment, a sampling rotating mechanism comprises a fixed column, the fixed column is sleeved with a spiral lifting sleeve, a guide block is slidably connected into the spiral lifting sleeve, and a reset spring is fixedly connected between the guide block and the spiral lifting sleeve; a sliding groove is formed in the fixed column and comprises a plurality of inclined lifting grooves and straight moving grooves which are communicated end to end; the upper end of the rotary lifting sleeve is rotatably connected with a sliding sleeve through a fixing sleeve, the inner side wall of the sliding sleeve is fixedly connected with a limiting block which is slidably connected to the side wall of the fixing column, and the side wall of the sliding sleeve is fixedly connected with an L-shaped pressing rod and a sampling mechanism which are rotatably connected with the fixing column. After the sampling rotating mechanism reaches the specified underground depth, the sampling mechanisms can be opened one by one through the rolling depth measuring mechanism, underground water is collected, and the device can improve the remote management capability of the multiple sampling mechanisms.

The invention relates to the technical field of wet-process phosphoric acid, and discloses a wet-process phosphoric acid grading and arsenic removal treatment method and system, and the system can be switched between a parallel grading treatment mode and a series depth treatment mode through flow control; in the parallel mode, the two arsenic removal reaction tanks operate independently to respectively treat different raw materials and produce desulfurized acid for industrial monoammonium and low-arsenic dilute phosphoric acid for high-phosphorus compound fertilizer, the low-arsenic dilute phosphoric acid is mixed and blended with untreated dilute acid and then concentrated, qualified products are obtained with the minimum treatment capacity, and the cost is remarkably reduced; in the series connection mode, raw materials sequentially flow through the two tanks to be deeply purified, and single high-quality phosphoric acid is produced; the two modes are both integrated with efficient filter pressing units, solid-liquid separation is carried out on arsenic-containing thick slurry generated by arsenic removal, and phosphorus resource recovery and arsenic pollution control are achieved; the device has production flexibility and deep purification capacity, perfectly meets the requirements of raw material fluctuation and multiple products, and thoroughly solves the problem of arsenic slag disposal.

The invention relates to the technical field of ardealite treatment technology, and discloses a method and a system for harmless treatment of ardealite, which are characterized in that fresh ardealite discharged by wet-process phosphoric acid filtration is re-pulped and then sequentially passes through a first-section reaction tank (added with fly ash and cement), a tank A of a second-section reaction tank, a tank B of the second-section reaction tank and a tank C of the second-section reaction tank for continuous reaction; performing solid-liquid separation to obtain harmless phosphogypsum; after the filtrate is settled, supernate is reused for repulping and lime milk preparation, and thick slurry is returned to the reaction tank; the reaction waste gas is washed with phosphoric acid acidic water, and washing liquid is reused for ore grinding; through multi-stage reaction and accurate pH control, the phosphogypsum stably reaches the class I solid waste standard, and the curing time is shortened from traditional several days to several hours; the system is deeply coupled with a front-end phosphoric acid system, and water balance and resource circulation of the system are realized by optimizing and filtering a washing water source and recycling steam condensate water; the process has the advantages of low cost, stable quality and flexible operation.

The utility model discloses a central water treatment filtering device for desalted water production. A raw water inlet pipe of a reservoir is communicated with a water inlet pipeline of each filter; the ultrafiltration processors are connected in series; a water outlet of each filter is communicated with a water inlet pipeline of the first-stage ultrafiltration treater; a water outlet of the N-stage ultrafiltration treater is communicated with a water inlet pipeline of the filtered water storage tank; a water outlet of the filtered water storage tank is communicated with a water inlet pipeline of the primary reverse osmosis processor; all stages of reverse osmosis processors are connected in series, and water outlets of the N stages of reverse osmosis processors are communicated with a demineralized water storage tank pipeline. According to the device, the content of various pollutants in water entering the ultrafilter can be reduced, a filter element for ultrafiltration and reverse osmosis can be protected, the content of various impurity ions in the water after ultrafiltration is reduced, the conductivity of produced water is about 10 us / cm, the hardness is 0.01 mol / L or below, the produced water is used for supplementing water for a steelmaking and steel rolling heating furnace, and generated steam can be used for power generation of a steam turbine. Water consumption is reduced, resources are saved, and the accumulation speed of scale in the boiler is effectively reduced.

The invention relates to the technical field of building construction, and discloses a construction site water recycling system which comprises a control module, a water well, a sedimentation tank, a water tank, an increasing pump and a spraying pipe. The sedimentation tank at least comprises a first purification tank and a second purification tank, a filtering wall is arranged on the top side of a wall between the two tanks, and a drainage pipe is assembled on the bottom side of the second purification tank; the well is communicated with the first purifying pond through a first pipeline; a first submersible pump at one end of the first pipeline is arranged in the well; the second purifying pond is connected with the water tank through a second pipeline, a second submersible pump at one end of the second pipeline is arranged in the second purifying pond, and a first gate valve, a water meter and a filter are sequentially arranged on the pipeline; the booster pump is connected with the water tank through a third pipeline with a second gate valve and connected with the spraying pipe through a fourth pipeline with a third gate valve. And the control module is electrically connected with the water meter and each gate valve, so that full-flow intelligent cooperative control of water source extraction, purification, transmission and distribution and spraying is realized.

The invention relates to the technical field of energy storage modules, and discloses an immersion distributed energy storage module which comprises a base, an immersion box is fixedly connected to the upper side of the base, a control panel is fixedly connected to the front side of the immersion box, and a protection assembly is slidably connected to the upper side of the immersion box. The protection assembly is used for protecting an energy storage module in the box, a partition plate is fixedly connected to the interior of the immersion box, a liquid storage box is fixedly connected to the rear side of the upper portion of the base, a liquid injection pipe is fixedly connected to the upper side of the liquid storage box, and a plug is slidably connected to the upper side of the interior of the liquid injection pipe. A filter screen is fixedly connected to the interior of the liquid storage tank, an extraction pipe is fixedly connected to the right side of the liquid storage tank, the device is provided with an accurate temperature control structure, system overheating is effectively prevented, stable operation of energy storage equipment is guaranteed, meanwhile, the disassembly, installation and maintenance efficiency of an energy storage module is effectively improved, and the energy storage module is convenient to use. And meanwhile, the stability and the safety of the system are ensured.

The utility model relates to the technical field of sewage treatment equipment, in particular to an electrolytic biological filter system for rapid treatment of overflow pollution, which comprises a bioelectrochemical system and a biological aerated filter system, the bioelectrochemical system comprises a tank body I, a biological anode and a biological cathode are arranged in the tank body I, and the biological anode and the biological cathode are arranged in the tank body II. The biological anode and the biological cathode are connected to a power supply, the biological aerated filter system comprises a tank body II, sewage treated by the tank body I enters the tank body II, an aeration device, a filtering device and a clear water outlet device are arranged in the tank body II, and the biological electrochemical system is coupled with the biological aerated filter through the aeration device, the filtering device and the clear water outlet device. The electrolytic biological filter system for rapidly treating overflow pollution is formed, the rapid electron transfer characteristic of a bioelectrochemical system is fully utilized, the denitrification rate of the biological aerated filter is increased, the treatment time can be greatly shortened under the same denitrification requirement, and the effect of rapidly treating overflow pollution in emergency is achieved.

The utility model relates to the technical field of semiconductor diluent processing, in particular to diluent filtering equipment for manufacturing semiconductors, which comprises a filter cartridge component, the filter cartridge component comprises a fixed pipe joint, a central pipe is arranged in an inner cavity of the filter cartridge component, the lower end of the central pipe is connected with a lower water distributor, and the upper end of the central pipe is connected with an upper water distributor. The upper end of the upper water distributor is connected with a multi-way valve body; the multi-way valve body is in threaded connection with the outer circular surface of the fixed pipe joint; two circular supporting rings are connected to the inner wall of the filter cartridge assembly at intervals, hollowed-out bearing ring mechanisms are connected to the circular supporting rings correspondingly, and each hollowed-out bearing ring mechanism comprises an inner circle discharging cavity, a hollowed-out bearing ring assembly and an outer circle discharging cavity which are sequentially arranged from inside to outside; the projection of the hollowed-out bearing ring assembly on the hollowed-out bearing ring mechanism on the upper portion is located in the inner circle discharging cavity in the hollowed-out bearing ring mechanism on the lower portion. The device is reasonable in structure, and the quality and the filtering efficiency of the semiconductor diluent are improved.

The invention discloses a waste sulfuric acid treatment method and device, the device comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank and a membrane separator which are connected in sequence, and the fine filtration coalescer adopts a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube as a filter material; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material; and the membrane separation system adopts one or a combined membrane of more than two of an ultrafiltration membrane, a reverse osmosis membrane and an electrodialysis membrane. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; according to the method, a physical separation means is adopted, organic polymeric oil, dissolved organic matters, dissolved salts and other impurities in the alkylated waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The utility model discloses a sewage treatment filter device which comprises a detachable filter cartridge and a filter filler, the filter filler is arranged in the detachable filter cartridge, both ends of the detachable filter cartridge are provided with end covers, the surfaces of the detachable filter cartridge and the end covers are provided with a plurality of filter holes, and the filter holes are communicated with the detachable filter cartridge. A material taking hole is formed in the detachable filter cartridge, and a movable detachable door is arranged corresponding to the material taking hole. The filter structure is simple in structure and convenient to disassemble and clean, and the filtering effect is improved.

The utility model is applied to the technical field of mine water treatment, and discloses graded filtering equipment for mine water treatment, which comprises a sinking bin, a switching motor is fixedly mounted in the lower end of the sinking bin, the upper end of an output shaft of the switching motor penetrates through the inner bottom surface of the sinking bin, and the upper end of the output shaft of the switching motor is fixedly connected with a driving disc; a pressure filtering mechanism is arranged in the upper end of the sinking bin, and mine water is filtered and recycled through underwater pressure of a mine. The graded filtering equipment for mine water treatment is provided with a pressure filtering mechanism and a suction filtering mechanism, primary filtering is conducted through a first-stage filtering net at a first liquid inlet, further filtering is conducted through a second-stage filtering disc in a liquid storage cavity, and secondary filtering is conducted through a third-stage filtering element in the middle section of a connecting pipe, so that multi-stage filtering of mine water is achieved; various impurities, suspended matters and harmful substances in the mine water can be effectively removed, and the quality of treated water is ensured to meet the reuse standard.

The invention is applicable to the field of oral liquid preparation, and provides an oral liquid clarification, sedimentation stabilization and layering prevention preparation process which comprises the following steps: raw material pretreatment, gradient membrane separation, sedimentation stabilization system construction, mixing and homogenizing, online monitoring and regulation and finished product filling. According to the invention, through the design of the three-stage series gradient filtering membrane assembly, accurate layered interception of impurities with different particle sizes is realized, and the defect that a single-aperture filtering membrane is either incomplete in interception or easy to block is avoided; meanwhile, the pressure regulation and control module is used for dynamically adapting the filtering pressure of each stage of filtering membrane, and the smaller the membrane aperture is, the larger the corresponding filtering pressure is, so that each stage of membrane works in the optimal pressure interval, the low filtering efficiency caused by insufficient pressure is avoided, and the membrane damage or effective component interception caused by overhigh pressure is prevented; the stability of the clarification effect is remarkably improved, the cleanliness of the finally obtained clarified extracting solution is high, and the risk of impurity aggregation and precipitation in the subsequent storage process is greatly reduced.

The invention belongs to the technical field of rainwater treatment, and particularly relates to a landscape bridge rainwater collection and purification treatment device based on multi-stage filtration, which comprises a first-stage filtration mechanism, a second-stage filtration mechanism, a buffer mechanism and a water collection tank, the buffer mechanism is mounted in the water collection tank, the first-stage filtration mechanism is arranged at the top of the water collection tank, and the second-stage filtration mechanism is arranged at the bottom of the water collection tank. The first-stage filtering mechanism is connected with the buffering mechanism, the second-stage filtering mechanism is arranged on the buffering mechanism, a dredging mechanism is further arranged in the water collecting tank, a water storage part is arranged on the outer side of the water collecting tank, and a drainage mechanism is arranged in the water storage part. According to the rainwater filtering device disclosed by the invention, rainwater can be filtered for multiple times through the arrangement of the first-stage filtering mechanism and the second-stage filtering mechanism, so that the rainwater filtering efficiency and quality are ensured; rainwater can still be collected into the water collecting tank through mutual cooperation of the water collecting tank and the first-stage filtering mechanism, and the treatment efficiency and treatment quality of the rainwater are improved.

The invention provides a production process of SEMI-G5-grade high-purity NMP (N-Methyl Pyrrolidone), which is characterized in that metal ions, magnetic foreign / non-magnetic foreign particulate matters and the like of conventional industrial-grade NMP are completely removed by adopting a multi-section rectification, resin adsorption and precise filtration process, so that the SEMI-G5-grade NMP reaches the SEMI-G5 grade in an ultra-clean high-purity reagent; and the use requirements on the ultra-clean high-purity NMP in the fields of semiconductors, integrated circuits and novel display are met.

The invention discloses a method and system for preparing iron phosphate through an iron powder method based on oxygen micro-nano bubbles and application, and belongs to the technical field of iron phosphate preparation. The method comprises the following steps: pulping iron powder and pure water, injecting the pulped iron powder and pure water into an iron dissolving reaction kettle, adding phosphoric acid, and carrying out a leaching reaction under corresponding preset conditions to obtain a first solution containing ferrous dihydrogen phosphate; after solid-liquid separation, pumping the second filtrate into an oxidation kettle, introducing oxygen micro-nano bubbles by using a micro-nano bubble generator, and carrying out oxidation reaction on the second filtrate and ferrous dihydrogen phosphate under corresponding preset conditions to obtain a third solution containing amorphous hydrated iron phosphate and phosphoric acid; pumping the third solution into an aging kettle, and aging the amorphous ferric phosphate hydrate to generate ferric phosphate dihydrate, so as to obtain a fourth solution; after solid-liquid separation, washing the iron phosphate dihydrate, and carrying out flash evaporation drying on a filter cake to obtain dry powder; and roasting and dehydrating to finally obtain the battery-grade anhydrous iron phosphate. According to the method, reaction conditions are accurately controlled, oxygen micro-nano bubbles are innovatively introduced for oxidation, and a new way is provided for preparing high-performance products.

A processing device includes a pump system, a valve system, a centrifuge, and a controller. A fluid flow circuit is mounted to the device to execute a procedure in which whole blood is processed into a red blood cell product, a plasma product, and a platelet concentrate product. The blood is first separated into red blood cells, buffy coat, and plasma using the centrifuge, with the red blood cells and plasma being removed from the centrifuge, while the buffy coat remains in the centrifuge. The fluid remaining in the centrifuge is circulated through the centrifuge to form a homogenous mixture. Once the mixture is formed, it is separated in the centrifuge into platelet concentrate and red blood cells. A platelet product is then collected by using whole blood or previously collected red blood cells to push the platelet concentrate from the centrifuge to a collection container.

This invention discloses a high-efficiency integrated treatment system for produced water from oilfields, comprising an oily wastewater settling filter and an oily wastewater filter coalescer connected in sequence. The oily wastewater settling filter includes a filter tank, a settling separation mechanism, and a paper tape filter mechanism. The settling separation mechanism is located in the upper part of the filter tank, and the paper tape filter mechanism is installed on the filter tank. The oily wastewater filter coalescer includes a shell and a filter coalescing cartridge assembly. The shell includes a cartridge installation section, an inlet distribution section, and a flotation separation section. The technical solution of this invention uses the oily wastewater settling filter as a pre-treatment device and the oily wastewater filter coalescer as a post-treatment device. The organic combination of the two improves the system's effectiveness (good effluent quality indicators and stable performance) while also enhancing its economy (low construction cost and low operating cost) and environmental performance (low energy consumption and low generation of secondary oily waste).

The utility model provides a filtering device of a polypeptide synthesis reactor, which relates to the technical field of filtering devices and comprises a connecting frame, a filter screen is fixedly connected to the inner wall of the connecting frame, filtering cotton is fixedly connected to the inner wall of the connecting frame, a feeding port is formed in the top of the connecting frame, and a discharging pipe is arranged at the bottom of the connecting frame. A first electromagnetic valve is arranged on the surface of the discharging pipe, a fixing device is arranged on the surface of the feeding port, a reaction kettle is arranged at the top of the feeding port, a supporting frame sleeves the surface of the reaction kettle, and when the fixing device is used, the feeding port is manually slid into the inner wall of the bottom of a connecting pipe, and then a sliding strip slides into a sliding groove; when the sliding strip completely slides into the sliding groove, the rubber strip is extruded to the bottom of the sliding strip, so that the sliding strip can be limited in the sliding groove through the rubber strip, and the filtering device can be arranged at the bottom of the reaction kettle when the filtering device needs to be used.

The invention relates to the technical field of cutting fluid filtering, in particular to a cutting fluid filtering machine for a machine tool, which comprises a filter, a storage box arranged on the machine tool and used for storing cutting fluid, and a pumping and draining pump set arranged on the filter and used for pumping and draining the cutting fluid, side strips are fixedly connected to the two sides of the inner wall of the storage box, and a transverse moving frame is arranged on the storage box; the two ends of the side wall of the transverse moving frame are fixedly connected with L-shaped frames. The transverse moving frame is only needed to be placed on the cutting fluid storage box of the machine tool, then the position of the electric driving wheel is locked through the clamping mechanism, the main pipe can be automatically driven to move at the bottom of the storage box, automatic extraction of cutting fluid and waste residues is achieved, the main pipe can be driven to automatically move at the bottom of the storage box, and the machining efficiency is improved. And a floating oil extraction mode can be quickly converted, floating oil on the upper surface of the cutting fluid is extracted and filtered, the flexible performance of the device is improved, and workers do not need to hold the device all the time to extract the floating oil.