14results about How to "Improve the efficiency of solid-liquid separation" patented technology

The utility model relates to the technical field of drilling, and discloses a drilling mud solid-liquid separation device which comprises a box body, a control panel is fixedly connected to the front side of the box body, a feeding hopper is fixedly connected to the top of the box body, a discharging hopper is fixedly connected to the bottom of the box body, and a screening mechanism is arranged in the box body. A cleaning mechanism is arranged in the box body, the screening mechanism comprises sliding grooves, the sliding grooves are formed in the two sides of an inner cavity of the box body, sliding blocks are slidably connected into the sliding grooves, a dewatering screen is fixedly connected to one sides of the sliding blocks, springs are fixedly connected to the bottoms of the sliding blocks, and a vibration assembly is arranged in the box body. According to the solid-liquid separation device for the drilling mud, through the screening mechanism, blockage of the dewatering screen is avoided, meanwhile, the solid-liquid separation efficiency of the dewatering screen on the mud can be improved, after solid-liquid separation is completed, solid particles at the top of the dewatering screen can be automatically scraped away, and cleaning is convenient.

The invention provides an in-situ leaching uranium mining large-flux leachate earth surface liquid phase solid removal device and method, and relates to the technical field of in-situ leaching uranium mining, the in-situ leaching uranium mining large-flux leachate earth surface liquid phase solid removal device comprises a cyclone set, and the cyclone set is composed of a plurality of hydrocyclones; the fiber ball filter is composed of a hollow cylinder and two hemispherical seal heads, a liquid inlet pipe, a desorption pipe and a back-flushing tail liquid pipe are arranged on the fiber ball filter, and the back-flushing tail liquid pipe comprises a back-flushing inlet pipe and a back-flushing outlet pipe. According to the invention, a liquid collecting tank is replaced by the large-flux-small-diameter-parallel cyclone group, and efficient solid-liquid separation is realized while the leaching flux is ensured by coupling a'centrifugal-gravity 'effect; and after being subjected to primary solid removal in the cyclone group, the leachate flows to a fiber ball filter filled with a high polymer material from an overflow header pipe at the top of the cyclone group for deep filtration and enhanced solid removal, so that the solid-liquid separation efficiency of the leachate can be effectively improved, and the cost is reduced.

The present invention discloses a solid-liquid separation device for ternary precursor production, including a filter press and a disc dryer, wherein the filter press includes: a frame, the upper part of which is provided with a guide bracket; a plurality of filter plates, which are laterally movably mounted on the guide bracket; a clamping mechanism, comprising a push hydraulic cylinder fixedly mounted on one end of the guide bracket; a feed pipe, which is used to pump the material into the filter cloth between two adjacent filter plates; a filter press strengthening mechanism, comprising a plurality of annular electromagnets and a plurality of negative pressure pumping pipes; the feed end of the disc dryer is connected to the discharge end of the guide hopper of the filter press through a corresponding material transmission mechanism, which is used to heat and dry the material after the filter press. The present invention can effectively improve the filter press effect and filter press efficiency of the material, and can improve the contact uniformity between the material and the heating disc during drying, thereby effectively improving the solid-liquid separation effect and solid-liquid separation efficiency of the material.

The present invention relates to the technical field of sewage treatment, and in particular to a sewage pretreatment carbon source rapid separation device and a sewage treatment method, the method comprising: S1, mixing sewage with a flocculant for preliminary mixing to obtain a first mixture; S2, introducing the first mixture into a sedimentation tank for mixed sedimentation, setting a mixing zone filled with VF filler and a sedimentation zone for introducing micro sand from top to bottom in the sedimentation tank, and performing gas lift mixing from bottom to top at the bottom of the sedimentation tank; obtaining clean water and mud and sand sediment; S3, performing mud and sand separation on the mud and sand sediment to obtain micro sand and sludge; S4, recycling the micro sand for introduction into the sedimentation zone in S2; S5, concentrating and separating the sludge. The present invention can greatly shorten the sedimentation time and improve the treatment effect; wherein the micro sand can accelerate the flocculation and agglomeration, increase the volume of floc particles, shorten the residence time of the sedimentation tank, realize rapid solid-liquid separation, and thus realize a large amount of continuous water discharge.

This invention provides a method for producing single-cell protein using a mixed bacterial culture, comprising the following steps: performing primary seed culture on methanogenic bacteria, *Tricholoma materata*, and *Glucosinolate methyl-eating bacteria* to obtain primary seed solutions; mixing the primary seed culture solutions evenly to obtain a mixed bacterial solution; inoculating the obtained mixed bacterial solution into a secondary seed culture medium for cultivation to obtain a secondary seed solution; inoculating the obtained secondary seed solution into a fermentation medium for scale-up cultivation to obtain a fermentation broth; separating the solid and liquid components of the obtained fermentation broth, harvesting the bacterial cells, and obtaining single-cell protein. This method for producing single-cell protein using a mixed bacterial culture improves the utilization rate of the carbon source methane and the yield of single-cell protein.

The utility model relates to the technical field of cheese production discloses a liquid separation device for cheese production, include: conveying separation cylinder, its top is equipped with feed inlet, bottom is equipped with solid -liquid separation net and base, driving mechanism, including fixed in conveying separation cylinder top's drive motor and the conveying shaft of penetrating cylinder body, spiral conveying subassembly, including install on the small interval spiral vane of conveying shaft, middle distance spiral vane and big interval spiral vane, three groups of spiral vane follow the solid -liquid separation net from feed inlet along material conveying direction and set gradually. The spiral conveying subassembly that sets up realizes the effective extrusion and the delivery of cheese raw materials through the spiral vane design of different interval, improved the efficiency that solid -liquid separated. Small interval spiral vane carries out close extrusion to raw materials in initial stage, is helpful to discharge the superfluous liquid among it, and gradually increasing spiral vane interval provides more relaxed delivery environment in the subsequent process, avoids the solid component damage caused by excessive extrusion.

This invention discloses a humic acid-based water pollution treatment device, comprising a treatment tank and a sludge extraction and aeration device. The treatment tank contains a filtration mechanism and a humic acid adsorption mechanism arranged sequentially along the water flow direction. The humic acid adsorption mechanism includes a support plate horizontally installed inside the treatment tank and several humic acid balls placed above the support plate within the treatment tank. The support plate has several through holes, and the humic acid balls accumulate on the support plate to form an adsorption medium layer. The top of the support plate has several pressure relief holes, which are unidirectionally connected to the exhaust end of the sludge extraction and aeration device. The filtration mechanism includes an annular collection tank, a conical filter plate, and a floating shielding assembly. The annular collection tank is coaxially fixed to the inner wall of the treatment tank. This invention effectively solves the problems of easy caking of filter media, low cleaning efficiency, incomplete pollutant adsorption, and high energy consumption in traditional wastewater treatment equipment, achieving highly efficient wastewater purification.

The utility model discloses a water pollution prevention and control solid-liquid separator, which comprises a receiving shell, the receiving shell is connected with a separation assembly for water pollution prevention and control, and the separation assembly comprises an auger assembly, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet pipe and a liquid outlet pipe, the filtering part is mounted at the bottom of the receiving shell and is used for solid-liquid separation of sewage; the treatment part is installed at the front end of the outer side of the receiving shell and used for drying solid impurities, the treatment part comprises an air compressor, a three-way valve is arranged at the exhaust end of the air compressor, and a vortex tube is installed on the front side of the three-way valve. According to the solid-liquid separator for water pollution prevention and control, the air compressor, the three-way valve, the vortex tube, the hot air tube, the heating frame, the cold air tube, the air extracting pump, the connecting tube, the air extracting tube, the cooling shell, the cooling tube, the electromagnetic valve and the discharging tube are matched with one another, liquid attached to solid impurities with water filtered out is dried, and liquid steam generated by drying is recycled.

The invention relates to the technical field of municipal sewage disposal engineering, and discloses anti-blocking rain and sewage diversion equipment which comprises a diversion shell, a water inlet pipe is arranged at the top of the diversion shell, a sewer pipe is arranged at the bottom of the diversion shell, a slag discharging opening is formed in one side wall of the diversion shell, a slag discharging shell is arranged on the outer wall of one side of the diversion shell, and a water outlet is formed in the other side wall of the diversion shell. An opening of the slag discharging opening is located in the slag discharging shell; an interval shielding mechanism is arranged at the top of the flow dividing shell and used for conducting interval control over water flow flowing into the flow dividing shell through the water inlet pipe, air is blown to screen holes in the first screening net plate through the anti-blocking mechanism, impurities are removed in time, the screen holes are prevented from being blocked, and therefore it is guaranteed that the screening process is continuous and efficient; the first screening net plate can automatically swing in a reciprocating mode under the impact of rainwater and reset under the supporting of the telescopic mechanism, dynamic movement of the screening plate in the screening process is achieved, the screening effect is enhanced, and the separation efficiency of rainwater and impurities is improved.

The invention discloses an anti-scaling continuous freezing crystallization device and method. The device comprises an A / B mixed salt dissolving tank, an A / B mixed salt water pretreatment tank, an ozone generator, a cyclone aerator, an MVR evaporator, a separation tank, a gradient freezing crystallization chamber, a mixed salt concentration tank, an A crystallization drying chamber and a B crystallization drying chamber. The A / B mixed salt dissolving tank is connected to the A / B mixed salt water pretreatment tank, the ozone generator is connected to the A / B mixed salt water pretreatment tank through the cyclone aerator, the A / B mixed salt water pretreatment tank is connected to the MVR evaporator, the MVR evaporator is connected to the gradient freezing crystallization chamber through the separation tank, the gradient freezing crystallization chamber is connected to the mixed salt concentration tank, the gradient freezing crystallization chamber and the MVR evaporator reflux the A / B mixed salt dissolving tank, and the mixed salt concentration tank and the gradient freezing crystallization chamber are respectively connected to the A crystallization drying chamber and the B crystallization drying chamber. The method can continuously separate and crystallize without scaling, and has a significant effect on the crystallization and purification of mixed salts of potassium chloride and sodium chloride. The purity of the obtained potassium chloride product is ≥90 (g / 100g), and the purity of the sodium chloride product is ≥95 (g / 100g).

The utility model provides a spiral extrusion solid-liquid separation device applied to biogas slurry. The spiral extrusion solid-liquid separation device comprises a rack, the screw extrusion device is arranged on the rack and comprises a hollow filter screen and an extrusion screw which is arranged in the filter screen and is provided with a central shaft, the filter screen is provided with a feeding bin and a discharging port, and the section size of the filter screen is gradually reduced in the advancing direction of the extrusion screw; and the motor device is arranged on the rack and is used for driving the central shaft to rotate. Compared with the prior art, the spiral extrusion solid-liquid separation device applied to the biogas slurry has the advantages that the section size of the filter screen is gradually reduced along the advancing direction of the extrusion spiral, so that the space of the material in the forward extrusion process is gradually reduced, the solid-liquid separation efficiency is improved, and the ideal water content of the biogas residue after separation is ensured.

The invention discloses a pig farm sewage rapid treatment device in the sewage treatment field, comprising a functional tank and a wastewater collection box; a dry-wet separation chamber is arranged in the functional tank, a sealing cover and a filter plate are detachably connected to the top of the dry-wet separation chamber, a sewage inlet pipe is arranged on the sealing cover, and a limited position guide component is arranged between the sealing cover and the filter plate; a plurality of filter ports are arranged on the filter plate; a drain pipe is connected between the functional tank and the wastewater collection box, a negative pressure pump and a stop valve are arranged in the drain pipe, and the stop valve is located at one end of the drain pipe close to the functional tank. This scheme integrates the three steps of grid filtration, wastewater collection, and solid-liquid separation, thereby greatly improving the treatment efficiency of aquaculture sewage.

The utility model relates to centrifuge technical field, the utility model provides horizontal vibration centrifuge, including the casing, having the side opening in one end of casing, the bottom has the discharge gate, the door body for plugging the side opening is hinged on the casing, the sieve basket subassembly rotation is arranged in the casing, is used for screening material, the scraper assembly is connected in the casing, and extends to the sieve basket subassembly, the scraper assembly can scrape the material adhered on the sieve basket subassembly when the sieve basket subassembly rotates, the scraper assembly has the gas outlet, the gas outlet is used for to sieve basket subassembly spouts gas to remove the material in the sieve slit of sieve basket subassembly. Through the above technical scheme, the material adhered on the sieve basket subassembly and the material in the sieve slit can be effectively removed. Reduce the material accumulation on the sieve basket subassembly, improve the screening efficiency and processing capacity of horizontal vibration centrifuge, avoid the low dehydration efficiency problem caused by the poor screen surface cleaning.

The application discloses a method for treating pathogenic bacteria in reclaimed water by using biochar-microalgae biofilm particles, which comprises the following steps: culturing chlorella, preparing biochar-microalgae biofilm particles, and adsorbing. The biochar-microalgae biofilm particles can effectively fix the microalgae and prevent the microalgae from flowing out of the reactor. After the treatment is completed, the microalgae can be easily separated from the wastewater, and the separation cost is low. The microalgae has high activity and strong secretion of extracellular excretion, and the overall treatment efficiency is high.