70results about How to "Effective solid-liquid separation" patented technology

The invention discloses an integrated water treatment method of ultrafiltration membrane coagulation/ biological reactor and a device thereof. The invention, the coagulation, and the biological reaction is combined and completed in a same reaction cell. Raw water enters the ultrafiltration membrane coagulation/ biological reactor; activated sludge microorganism in the reactor biologically degrades ammonia nitrogen and organic matters with low molecular weight in the water; a coagulant adding system adds coagulant and adsorbent in the reactor to remove the organic matters with high molecular weight and phosphorus; at last, the immersion ultrafiltration membrane components arranged in the reactor carries out the solid-liquid separation to prepare drinking water with excellent quality. A perforated aeration pipe is arranged on the lower part of the reactor to be connected with a sludge discharge pip to discharge the residual sludge in the reactor regularly. In order to ensure the membrane flux, a membrane reverse washing system carries out the reverse washing for the ultrafiltration membrane components regularly. The invention combines the coagulation effect and the biological effect with the ultrafiltration physical interception effect so that the manufacturing cost and the operation cost are remarkably reduced, while the invention is a novel advanced purification process of the drinking water with the advantages of high efficiency, energy saving, convenient maintenance and management.

The invention discloses a rubbish recycling treatment device. The rubbish recycling treatment device comprises a shell body, the midpoint position of the top of the shell body is provided with a material feeding mouth, the positions, corresponding to the material feeding mouth, of the top of the shell body are fixedly connected with material feeding baffles, and the positions, located on the leftside and the right side of the material feeding mouth, at the top of the inner wall of the shell body are both fixedly connected with arc-shaped concave blocks. According to the rubbish recycling treatment device, by means of mutual coordination of the arc-shaped concave blocks, smashing teeth, a smashing motor, a smashing rotating shaft, a smashing gear, a squeezing box, a triangular block, firstfilter plates, vibrators, ultraviolet sterilizing lamps, cutting motors, cutting rotating shafts, cutting blades, a threaded rod, a driven bevel gear, a forward and reverse motor, a forward and reverse rotating shaft, a driving bevel gear, a threaded sleeve, a first stretching and contracting rod, a fixed plate, a pulverizing wheel and a supporting spring, the function that the rubbish treatmenteffect is good is achieved, solid-liquid separation can be effectively performed on rubbish, the situation that the rubbish breeds germs and threatens health of staff is avoided, and subsequent rubbish incineration operations are greatly facilitated.

The invention discloses an advanced purification method for drinking water and a device thereof. The advanced purification process for drinking water is explored aiming at generally existing micro-polluted source water and the process combines a biological activated carbon filter and an ultrafiltration membrane biological reactor to purify the drinking water in an advanced way. After the raw water being treated enters the biological activated filter first, the particulate matters in the water being partly intercepted; pollutants like organic matters and ammonia nitrogen and so on are partly degraded and the water quality is purified to some degree; load of the ultrafiltration membrane biological reactor is reduced; the water in the filter is discharged into the ultrafiltration membrane biological reactor; the activated sludge in the reactor biologically treats the water from the filter and the pollutants ammonia nitrogen and the organic matters in the water are degraded again; at last, the water after two-level biodegradation is drawn form ultrafiltration membrane component by a draw-suck pump and the remarkable effect of removal of particulate matters as well as interception of two insects, daphnia, red worms, alga, bacteria and even virus of the ultrafiltration membrane can be brought into play.Therefore, the safe and clean drinking water with excellent quality can be prepared.

The invention discloses a kitchen waste garbage can with the solid and liquid separation function. The kitchen waste garbage can with the solid and liquid separation function comprises an outer can body and an inner can body. With the kitchen waste garbage can with the solid and liquid separation function, solid and liquid separation can be effectively carried out on kitchen waste, garbage treatment later is facilitated, and the work intensity of operators is reduced; because a discharging door and a sewage discharging pipe are arranged, solid garbage and liquid garbage can be collected separately, and the process of collection is quick and saving in labor; because a sealing plate and a cover body are used in cooperation, peculiar smells overflowing from a garbage can in the garbage throwing process are greatly reduced, and it is avoided that discomfort is caused to people; because a movable rack and a rotating plate are arranged, a throwing opening can be opened or closed very conveniently and quickly, and the user experience is improved.

The invention relates to a rubbish sorting device which comprises a storage hopper, a feeding conveyer, a bag-breaking machine and a separating device which are connected with each other in turn, wherein the separating device comprises a solid-liquid separating device and a sorting separating device; the solid-liquid separating device comprises a solid-liquid separating motor, a driving gear set, a rotary screen and a liquid collecting hopper; the rotary screen is driven by the solid-liquid separating motor through the driving gear set, and the solid-liquid separating motor is under a rotating state along the axial direction of the rotary screen; more than one spiral flow-guiding plate which extends from the head end to the tail end of the rotary screen is arranged on an inner wall of the rotary screen; the liquid collecting hopper is arranged under the rotary screen corresponding to the rotary screen; the sorting separating device comprises a heavy mass collecting hopper, a light mass collecting hopper and a sorting fan; the heavy mass collecting hopper is arranged under the tail end of the rotary screen and is under the state of collecting rubbish sent out of the tail end of the rotary screen; the light mass collecting hopper is arranged for collecting light rubbish blown by the sorting fan from the rubbish sent out of the tail end of the rotary screen corresponding to an air-feeding direction of the sorting fan.

The invention relates to a multistage extraction unit for animal and plant raw materials, and a method and application thereof, belonging to the technical field of animal and plant extraction. The extraction unit comprises an extraction tank (1), a filtration membrane filter (2), a pulverizer (3) and a concentrated solution membrane separation device, wherein the extraction tank (1) is connected with the pulverizer (3) through a raw material delivery pipe (101), and connected with a feed port of the filtration membrane filter (2) through a first pump (4) via a pipeline; a filtrate outlet of the microfiltration membrane filter (2) is connected with a filtrate output pipe (201); and a concentrated solution outlet of the filtration membrane filter (2) is respectively connected with the extraction tank (1) through a concentrated solution return pipe (202) and connected with the concentrated solution membrane separation device through a concentrated solution delivery pipe (203). The extraction unit can pulverize the raw materials into fine powder and perform membrane separation extraction, has the advantages of high extraction efficiency and high yield, and is capable of obviously enhancing the concentration of the obtained filtrate, reducing the solvent consumption and lowering the production cost.

The invention relates to a process and a device for methane anaerobic digestion treatment, which consists of two parts: anaerobic fermentation gas production, and slag discharge, solid-liquid separation and collection thereof; wherein, the anaerobic fermentation gas production process comprises feed manner, process arrangement, the closure reflux of strains, prolonged fermentation gas production time of organic solids, and the like; the processes of the slag discharge, solid-liquid separation and collection thereof comprises low point fall slag discharge, hydraulic agitation slag discharge, strengthened solid-liquid separation, circulation sedimentation separation, organic filtering material filtering and separation, filtering and draining combined separation, and the like; and the device comprises a honeycomb type anaerobic pool, a circular regulation pool and a circular sedimentation pool thereof. The process and the device have an unique feed manner, an effective slag discharge way, full and strengthened solid-liquid separation, and organic solid recycling with high proportion, particularly, fermented gas production materials after the strengthened solid-liquid separation can be guaranteed, meanwhile, organic material recycling with high proportion and water discharge with low concentration can be realized. The process and the device can effectively combine new energy development, organic fertilizer production and the treatment for environment protection; besides, processes are simple and practical, thus being suitable for popularization.

The invention discloses a landfill leachate multi-membrane treatment process. Landfill leachate is pumped into an anaerobic tank, an anoxic tank and an aerobic tank in sequence for treatment, functional magnetic ferrite is put into effluent of the aerobic tank, and the effluent enters a sedimentation tank for solid-liquid separation; supernatant obtained from the sedimentation tank enters an immersed membrane reactor for secondary solid-liquid separation; sludge obtained from the sedimentation tank enters a magnetic drum separator for separation, and slurry containing the magnetic ferrite and returned sludge are obtained, wherein the slurry containing the magnetic ferrite flows back to enter the water outlet portion of the aerobic tank, and the returned sludge enters a middle tank; immersed membrane reactor permeate enters a tubular high-intensity magnetic field processor for magnetizing sterilization and then enters a nanofiltration or reverse osmosis system to be treated, and the treated immersed membrane reactor permeate is discharged up to standard; immersed membrane reactor concentrated mixed liquid is mixed with the returned sludge through the middle tank, and the supernatant is pressurized through a water pump and subjected to magnetic activation through a tubular medium-intensity magnetic field processor and then flows back to enter the anoxic tank.

The invention discloses a sewage treatment device based on environmental protection. The sewage treatment device comprises a casing, wherein a filtering cavity is arranged in the casing; a stirring cavity is arranged in the casing and is positioned at one side of the filtering cavity; a stirring device is arranged in the stirring cavity; a discharging device is arranged on the side wall of one endin the stirring cavity; a bearing groove is formed in the lower end of one side of the casing; the bearing groove is positioned at the lower end of the filtering cavity; a pushing device is arrangedin a moving groove; a first opening is formed in the lower end of the side wall of one end in the filtering cavity; the first opening corresponds to the stirring cavity; a second opening is formed inone side of the bottom in the filtering cavity; the second opening corresponds to the bearing groove. The sewage treatment device has the advantages that the function that impurities in sewage are filtered and cleared is realized; the solid and liquid separation can be effectively performed; the automation degree is high; the manual separation of workers is not needed, so that the sewage treatmentquality is ensured; the treatment efficiency is improved; the normal operation of sewage treatment machinery is ensured.

The invention discloses a method for comprehensively recycling valuable metal from copper nickel slag. The method comprises the following steps: leaching iron out of raw material copper nickel slag by a step-by-step concentration difference leaching method, carrying out flotation enrichment on the leaching slag to prepare copper cobalt nickel bulk concentrate; selectively extracting iron from the leaching liquid by an extraction method to prepare iron oxide red, or precipitating the leaching liquid to prepare refined iron powder and water glass. By the method, high-grade copper cobalt nickel bulk concentrate, powdered iron, high-purity iron oxide red, high-modular water glass and other products are prepared with low cost. The method is environment-friendly and easy to operate and can realize continuous industrial production.

The invention relates to kitchen waste decrement extrusion equipment, and relates to the field of waste treatment structures. The kitchen waste decrement extrusion equipment comprises a packing auger, a packing auger barrel, a filtering structure and a water filtering groove; the packing auger is horizontally installed in the packing auger barrel; one end of the packing auger barrel is communicated with the filtering structure; the filtering structure is placed into the water filtering groove; the packing auger comprises a core shaft and a spiral blade; the core shaft is of a conic cylindrical structure, the radial direction of the core shaft is gradually increased in the spiral extrusion direction; a feeding opening is formed in the packing auger barrel; a water discharging opening is formed in the bottom of the water filtering groove; the filtering structure is of a water filtering barrel structure formed by coaxially assembling a plurality of heating rings; a rotating ring is further arranged in a clamping seam between every two adjacent heating rings; liquid waste flows out from the clamping seams, and the rotating rings slide in the clamping seams to be used for cleaning waste generating blockage in the clamping seams; the rotating rings and the heating ring have an eccentric position relationship, and the rotating rings are connected with the packing auger; and the packing auger drives the rotating rings to do eccentric motion in the clamping seams between the heating rings.

The invention relates to the technical field of municipal waste treatment, and discloses a municipal waste treatment system. The municipal waste treatment system comprises a top box, the right side and the bottom of the top box are fixedly connected with a light object containing box and a bottom box correspondingly, two indicator lamps are fixedly installed on the left side of the front face of the bottom box, the top of the left side of the top box communicates with a feeding rod, the right side of the bottom of the top box communicates with a discharging rod with one end penetrating into an inner cavity of the bottom box, an electromagnetic valve is fixedly installed on the discharging rod, a baffle is fixedly installed on the inner bottom wall of the top box, an electric push rod is fixedly installed on the inner bottom wall of the baffle, and the top of the electric push rod is fixedly connected with a movable plate with one end penetrating out of the baffle. According to the municipal waste treatment system, the overall structure is simple, solid-liquid separation and light and heavy waste separation are effectively conducted on waste, meanwhile, the waste is smashed, complexity of follow-up waste treatment is avoided, the waste treatment efficiency and quality are improved, and use is convenient.

The invention discloses solid-liquid separation negative-pressure treatment equipment which comprises a rack, a filter bin, a negative-pressure bin, a rotating shaft driving device, a main shaft assembly and a filter cartridge; a sewage inlet and a solid scraper blade are arranged on the filter bin, and one side of the filter cartridge is matched with the solid scraper blade; the main shaft assembly comprises a main rotating shaft and a negative-pressure shaft, the main rotating shaft is matched with the rotating shaft driving device, one end of the negative-pressure shaft is located in the negative-pressure bin, the other end of the negative-pressure shaft penetrates into the filter cartridge to be connected with the main rotating shaft, and a water inlet is formed in the part of the negative-pressure shaft entering the filter cartridge; according to the scheme, sewage is filtered through the filter cartridge in the filter bin, the filter cartridge rotates, filtered solids are scrapedoff through the scraper blade, the sewage is subjected to negative-pressure extraction from the interior of the filter cartridge, and it is guaranteed that the extracted sewage is certainly subjectedto effective solid-liquid separation; the whole equipment can keep efficient, stable and continuous operation, the sewage treatment efficiency is high, the solid-liquid separation effect is good, andmanual repeated dismounting and washing are avoided.

The invention discloses a technology for microbial wall breaking and solid-liquid separation of fruit and vegetable wastes. The technology comprises the following steps that 1, the fruit and vegetablewastes are broken; 2, a microbial preparation is prepared; 3, the microbial preparation is used; and 4, liquid is discharged from a biochemical fermentation tank, and residual solid matter is pressedand dehydrated by adopting a screw press. According to the technology, the fruit and vegetable wastes are treated by the technology of microbial wall breaking and solid-liquid separation, aiming at the high water content of the fruit and vegetable wastes and the limitation that plant cell walls cannot be broken by conventional methods, bound water in plant cells is released, and the effective dehydration of the fruit and vegetable wastes is achieved by microbial enzymolysis; the microbial technology is used, the limitation of the plant cell walls is quickly broken by using the enzyme producedby microorganism, the effective solid-liquid separation is achieved in the processing link of the fruit and vegetable wastes, the reduction of the fruit and vegetable wastes is achieved to the greatest extent in a short time, and a foundation is laid for the effective disposal of the next step.