55results about How to "Realize solid-liquid separation" patented technology

The utility model relates to the technical field of excrement separation, and discloses an excrement separation drainage device for henhouse breeding, which comprises a shell, a separation mechanism is arranged outside the shell, a support frame is fixedly connected to the bottom of the shell, a surge bin is rotatably connected to the inside of the separation mechanism, a self-cleaning mechanism is arranged outside the surge bin, and the self-cleaning mechanism is fixedly connected to the bottom of the shell. The separation mechanism comprises a supporting block, a braking assembly is fixedly connected to the exterior of the supporting block, the braking assembly comprises a motor, the driving end of the motor is fixedly connected with a rotating shaft, a feeding pipe is fixedly connected to the interior of the shell, and a filter screen drum is rotatably connected to the exterior of the rotating shaft; and a feeding hole is formed in the outer part of the rotating shaft. According to the utility model, the supporting block is used for providing stable support for the motor and ensuring the stable rotation of the rotating shaft, so that the combined design of the filter screen drum and the spiral guide plate is ensured, primary solid-liquid separation is realized, the separation speed is increased, and the blocking risk is reduced.

The utility model relates to a kind of kitchen garbage compression equipment convenient to operate, including top and bottom distribution's top plate and base, top plate is connected with base by multiple vertical support rods, top plate and base between being equipped with article placing plate, article placing plate and multiple support rods sliding connection, base is fixedly provided with the driver of driving article placing plate up and down sliding, top plate is fixedly provided with vertical telescopic cylinder, telescopic cylinder telescopic end is downward and fixedly connected with presser plate, article placing plate is placed with garbage can.The utility model's compression equipment is driven presser plate into garbage can by telescopic cylinder telescopic, and kitchen garbage is compressed.By electric push rod driving article placing plate up and down sliding, the interval between article placing plate and top plate is conveniently adjusted, so that different height garbage can is conveniently placed, and the compression depth of presser plate is conveniently further adjusted.Compression process personnel operation is more simple, and degree of automation is higher, use is more convenient, labor-saving.

The utility model discloses a kitchen garbage recycling filter element, and particularly relates to the technical field of filter elements, the kitchen garbage recycling filter element comprises a filter shell, two filter plates which are distributed up and down are arranged in the filter shell, round holes are formed in the centers of the tops of the two filter plates, lantern rings are fixedly arranged in the round holes, pull rods penetrate through the interiors of the two lantern rings, and the pull rods are connected with the two filter plates. The top end of the pull rod extends into the filter shell, a plurality of limiting plates distributed in an annular array are clamped to the outer walls of the two filter plates, limiting grooves with the same number as the limiting plates are machined in the inner wall of the filter shell, and the limiting plates are arranged in the limiting grooves. Kitchen garbage is filtered through the two filtering plates, so that solid-liquid separation is achieved, the filtering effect is good, a user can pull the pull ring to drive the pull rod to move up and down, the pull rod drives the filtering plates to move up and down to shake the kitchen garbage, the drainage speed can be increased, meanwhile, the filtering plates and the filtering shell are designed to be detachable, and the filtering effect is good. And subsequently cleaned kitchen garbage can be conveniently recycled.

This utility model relates to the field of sanitation equipment technology and discloses an intelligent multi-functional mosquito-killing trash can. The trash can includes a fixed base and a shell. The shell consists of a separation section, an input section, and a mosquito-killing section, arranged from bottom to top. The internal spaces of the separation section, input section, and mosquito-killing section are interconnected. This utility model improves the trash disposal mechanism by using a linkage structure of a top rod, a lifting link, a horizontal lifting rod, and a vertical lifting rod. When the input port is opened, the trash can is automatically raised, allowing for more accurate trash disposal. When closed, the trash can falls back and vibrates to promote solid-liquid separation, improving disposal accuracy and wastewater treatment efficiency.

This utility model relates to the field of Cordyceps sinensis washing technology, and discloses an adjustable washing device for Cordyceps sinensis, including a main frame. A movable wheel is fixedly installed at the bottom of the main frame, a bracket is fixedly mounted on the outer wall of the main frame, a controller is fixedly installed on the outer wall of the bracket, and a support plate is fixedly installed on the top of the main frame. By transmitting a signal through the controller, a drive motor can be started, causing the rotating shaft to drive the rotating handle to rotate. This, along with a connecting rod, causes the washing cylinder to shake, allowing the Cordyceps sinensis placed inside the washing cylinder to flip over, effectively removing surface dirt and impurities. Compared to traditional manual washing, this improves washing efficiency. Furthermore, by starting a dual-axis motor, the rotation of the threaded rod allows adjustment of the distance between the two mounting plates, enabling adjustment of the rotating handle's rotation angle, thereby adjusting the shaking angle of the washing cylinder for better cleaning results.

The invention discloses a textile wastewater treatment device for a loom. The textile wastewater treatment device comprises a base, a treatment bin, a supporting plate, a mounting frame and the like, a driving assembly drives a stirring plate to stir wastewater to be fully mixed with a medicament, and meanwhile, a stirring rod in an adsorption cavity is driven to rotate through a connecting mechanism, so that adsorbent precipitation is prevented, and the harmful gas purification effect is guaranteed; the lifting mechanism enables the mounting frame to drive the filter plate to lift, so that the suction head recycles waste water conveniently, and solid-liquid separation and filter plate cleaning and replacement are realized; the detachable mechanism can be used for quickly dismounting and mounting the supporting plate, so that flocculates can be treated in a centralized manner; the device integrates multiple functions, forms a complete and efficient wastewater treatment process, and effectively solves the problems of single function, poor treatment effect and the like of a traditional device.

The utility model relates to the technical field of sesame oil processing, and discloses a raw material cleaning device for sesame oil processing, which comprises a bottom plate, the left side of the top of the bottom plate is fixedly connected with a cleaning box, and the top of the inner cavity of the cleaning box is provided with a cleaning assembly. According to the sesame cleaning device, sesame can be stirred and cleaned in water through the cleaning assembly, the cleaning effect is improved, the cleaned sesame and water can be filtered through the filtering assembly, solid-liquid separation is achieved, the cleaned sesame is filtered in a filtering frame, and then the sesame can be cleaned through cooperation of a sliding groove and a sliding block. According to the sesame cleaning device, the filter frame can be conveniently moved out of the cleaning box, cleaned sesame can be conveniently taken and collected, water generated after cleaning can be pumped into the purifying box through the arrangement of a connecting pipe and a connecting pump and is filtered through a plurality of layers of purifying plates, and the circulating pipe and the circulating pump are arranged, so that the cleaning efficiency is improved. Purified water can be pumped into the cleaning box again for raw material cleaning, and cyclic utilization of water resources is achieved.

This utility model discloses a pretreatment device for raw materials in the production of high-purity Kathon, relating to the field of Kathon production technology. The inlet of an ultrasonic reactor is connected via pipelines to a methylchloroisothiazolinone raw material tank and a deionized water tank. The outlet of the ultrasonic reactor is connected via a screw pump to a ceramic membrane device. The liquid phase outlet of the ceramic membrane device is connected via pipelines to a distillation column. The top gas phase outlet of the distillation column is connected via pipelines to a light component tank, an organic solvent tank, and a purified methylchloroisothiazolinone tank. This device achieves effective separation and purification of different components, improving product purity, while simultaneously recovering organic solvents and reducing production costs.

The application discloses a kind of for sewage treatment ultra-efficient shallow air floaters and processing technology, its ultra-efficient shallow air floater includes pool body, cloth liquid unit, mounting bracket and drive unit, pool body inserts with sewage pipe and inlet pipe, sewage pipe is connected with sewage pipe, inlet pipe is connected with Venturi jet and is connected with its water inlet, the air pipe and the dissolved air water pipe are connected with the air inlet and the water outlet of Venturi jet respectively;Cloth liquid unit includes mixing pipe and cloth liquid pipe, mixing pipe is connected with sewage pipe, dissolved air water pipe, cloth liquid pipe is connected on mixing pipe, mounting bracket is arranged on sewage pipe, and mounting bracket is provided with scraper;Drive unit drives mounting bracket to rotate;Pool body is equipped with scum cylinder, scum cylinder is equipped with scum box, the height of front side box wall of scum box is greater than rear side box wall, mounting bracket is equipped with bending assembly for bending scraper, and the scraper after bending restores original shape after passing through low side box wall of scum box.The ultra-efficient shallow air floater provided by the application can improve the efficiency of the scraper to remove scum.

The utility model provides a limestone-gypsum method desulfurization wastewater integrated treatment device which comprises an efficient concentration clarifier body, an efficient reactor is installed at the top of the efficient concentration clarifier body, a wastewater inlet pipe, a chemical hopper and a stirrer are installed at the top of the efficient reactor, and a chemical feeder is installed on the outer side surface of the chemical hopper. A blanking pipe is arranged between the high-efficiency reactor and the high-efficiency concentration clarifier main body, an inclined pipe precipitator and a baffle plate precipitator are arranged in the high-efficiency concentration clarifier main body, a sludge hopper is arranged at the bottom of the high-efficiency concentration clarifier main body, and a clear water pipe is arranged on the high-efficiency concentration clarifier main body; when wastewater is treated, clear water and sludge can be separated, the wastewater treatment process is greatly simplified, the investment cost and the operation cost are further saved, actual popularization is facilitated, large-particle impurities which are not completely precipitated can be intercepted through the arranged overflow grating, and solid particles are prevented from flowing out of the clear water pipe along with the clear water.

The utility model relates to ball mill device technical field discloses a kind of ball mill devices for noble metal catalyst processing of convenient dust reduction, including outer tube and ball mill filter cylinder, the front and rear sidewalls of ball mill filter cylinder bearing are penetrated by outer tube, and the inside of ball mill filter cylinder is placed with multiple grinding steel balls, the surface of outer tube is fixedly installed with four support columns, and the bottom surface of support column is fixedly installed with bottom plate, the front sidewall center bearing of ball mill filter cylinder is penetrated and is provided with feed hopper, and feed hopper is fixedly installed on the top surface of bottom plate by straight rod, the bottom of outer tube is fixedly penetrated and is provided with guide chute, this ball mill device for noble metal catalyst processing of convenient dust reduction can effectively collect and handle the dust generated in ball milling process, reduce the harm of dust to the health of operator and pollution to working environment, while avoiding dust to influence the normal operation of other equipment, meet the demand of noble metal catalyst efficient processing.

This utility model relates to the field of disinfectant filtration and recovery technology, and in particular to a novel disinfectant filtration and recovery device, comprising a box and vertical blocks. Vertical blocks are fixedly connected to both sides of the lower end of the box. The box contains a disinfectant filtration structure. The inner walls of the box and the box cover are threaded with bolts. Disinfectant recovery structures are located on both sides of the box. The inner wall of the cylinder is in contact with the filter cloth, and the upper side of the filter cloth abuts against a protrusion. A rope is wound around the outer wall of the filter cloth. Through the cooperation of the disinfectant filtration structure and the box, the output shaft of the servo motor rotates, driving the cylinder to rotate. The rotation of the cylinder causes the disinfectant inside to flow through the filter cloth and the outlet into the box. Utilizing the centrifugal force generated by the rotation of the cylinder, a large amount of disinfectant can be thrown through the filter cloth and the outlet in a short time, while impurities are retained within the filter cloth, achieving solid-liquid separation and thus achieving the filtration effect and improving filtration efficiency.

The application provides a preparation method of medicinal liquor and application of the medicinal liquor in preparation of antioxidant and anti-aging products, and relates to the technical field of pharmaceutical preparations. The preparation method comprises the following steps: (1) crushing; (2) extraction; (3) standing and separation; (4) freezing and filtration, so that the medicinal liquor is obtained. The medicinal liquor is obtained by adopting the steps of batch crushing, mixed extraction, standing, freezing and separating supernatant and suspension by using different separation methods to extract traditional Chinese medicine ingredients. The medicinal liquor can better improve the space exploration ability of aging mice caused by D-galactose, reduce malondialdehyde (MDA), improve superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activity, and has significant antioxidant and anti-aging effects.

The utility model discloses a kind of pig breeding manure recovery devices, it is related to manure recovery technical field, including automatic feeding device, the inside fixed mounting of automatic feeding device has solid-liquid separation device, the left side fixed mounting of automatic feeding device has cleaning device.The utility model said a kind of pig breeding manure recovery device, cleaning brush is cleaned to the inner wall of filter screen, and through high-pressure water pump control water in water tank passes through inlet pipe, after branch pipe, from high-pressure nozzle to the inner wall of filter screen is washed, automatically clean filter screen, avoid filter screen blockage;Pig manure is extruded by extruding plate, realize solid-liquid separation, during filter pressing, liquid manure is filtered by filter screen, by liquid discharge port into the inside of liquid collection box and store, solid manure is pushed by extruding plate, from solid discharge pipe, fall into the inside of solid collection box and realize storage, and then realize solid-liquid separation storage to manure.

The utility model discloses a kind of waste needle structures for cell filtration, it is related to medical instrument technical field, including waste needle pipe, waste needle head, waste one-way valve and cell column filter, the utility model is when using, first, medical staff removes needle cover from the needle cover clamping groove on needle sealing cover, by guiding cell into cell column filter, cell column filter removes large particle material and suspended solids of cell liquid, completes primary filtration, the waste needle head of waste needle pipe is inserted into cell column filter, by gravity, cell after primary filtration enters waste needle pipe, when waste liquid passes through waste needle pipe, inside pipe head, by the filter membrane supported by filter piece support Secondary retention cell, impurities and other solid components, allow waste liquid to pass through, realize solid-liquid separation;Then, waste one-way valve is installed on the outer wall surface of waste pipe upper side through, by internal rubber valve flap valve structure, ensure that waste liquid unidirectional flow.

The utility model relates to the technical field of roller bearing machining, in particular to a punching device for tapered roller bearing machining, which comprises a collecting assembly, the collecting assembly is composed of a base, a feeding groove, an electric push rod, a baffle, a filter screen, a discharging pipe and an observation window, and the feeding groove is arranged at the top end of the base. According to the punching device for tapered roller bearing machining, through the arrangement of the base, the feeding groove, an electric push rod, a baffle, a filter screen, a discharging pipe and an observation window, when the punching device is used, chippings and cooling liquid can enter the punching device conveniently during machining through the feeding groove formed in the base; an electric push rod is externally connected with a power source and controlled by the same controller, a baffle can be pushed to move upwards to prevent chippings from falling out of the device, the chippings can be collected and placed on the surface through a filter screen, solid-liquid separation is achieved, and a worker can see the collection condition of the chippings and cooling liquid from the outside of the device through an observation window; the cooling liquid can be conveniently discharged by opening the discharging pipe, and unified cleaning is carried out.

The utility model relates to the technical field of foundation pit construction discloses a foundation pit water seepage guide and drain device of engineering construction, including casing one, casing one inside fixedly connected with base no.

The application provides a method for recovering and preparing ultrapure water from nickel-containing heavy metal wastewater, which comprises the following steps: (1) adjusting the pH of the nickel-containing heavy metal wastewater, and then performing flocculation and precipitation treatment to obtain intermediate wastewater; (2) adjusting the pH of the intermediate wastewater, and then performing fluorine removal and precipitation treatment; performing multi-medium filtration and ultrafiltration treatment on supernatant obtained by the precipitation treatment, and then performing first reverse osmosis treatment to obtain reverse osmosis water and lithium-containing concentrated water; (3) sequentially performing activated carbon filtration treatment and second reverse osmosis treatment on the reverse osmosis water to obtain desalination pure water, and then performing EDI treatment on the desalination pure water to obtain ultrapure water. The method solves the technical problems of high operation cost and low production efficiency in the prior art, and realizes the recycling of nickel, cobalt, manganese, lithium and water resources.

This invention discloses an environmentally friendly construction waste resource recovery device, comprising: a mounting frame, a crushing component at the top of the mounting frame, a dust suppression component on the crushing component, and a discharge box and a water storage tank inside the mounting frame for solid-liquid separation of crushed materials and wastewater, the discharge box and the water storage tank being fixedly connected; in this invention, the pump, inlet pipe, outlet pipe, circulation pipe, spray cylinder, and spray holes of the dust suppression component work together to quickly and evenly spray water mist during the crushing of construction waste, efficiently adsorbing dust, effectively suppressing dust diffusion, avoiding dust pollution of the surrounding environment and harm to the health of operators. Simultaneously, the water used for dust suppression can be purified and recycled through the water storage tank, eliminating the need for additional large amounts of clean water, saving water resources. Furthermore, the spray cylinder is flush with the inner side of the crushing hopper, not affecting material crushing and falling, adapting to the actual needs of crushing operations, and improving the environmental friendliness and practicality of the device.

The utility model provides a settling tank, which belongs to the field of food fermentation processing and comprises a support frame, a settling mechanism used for food fermentation processing is connected onto the support frame and comprises a tank body, and a lifting component used for lifting materials in the tank and an extraction component used for extracting liquid are arranged on the tank body. The lifting assembly comprises a fixing frame erected on the tank body, four guide rods are connected between the fixing frame and the tank body, and trays are arranged on the guide rods in a sliding mode; the lifting assembly further comprises a driving piece used for driving the tray to move. According to the utility model, materials can be fermented and settled through the settling mechanism, and the settled materials are lifted to a proper position for next treatment through the lifting assembly in the material settling process, so that the labor cost and the operation difficulty are reduced, and the scattering and waste of the materials caused by improper operation are further avoided; the production efficiency and the product quality are improved.

The utility model discloses a biochemical treatment device of integrated domestic sewage relates to sewage treatment technical field. The biochemical treatment device of integrated domestic sewage, including processing cylinder, aeration mechanism and pumping mechanism, pumping mechanism sets up on processing cylinder, and pumping mechanism includes metal pumping pipe, ring magnet and water pump, and the top of processing cylinder is movable and is penetrated with metal pumping pipe, and the top of processing cylinder is fixedly installed with ring magnet, and ring magnet is sleeved on metal pumping pipe, and the outer surface of metal pumping pipe and the inner wall of ring magnet are inlaid and are adsorbed, and the top of processing cylinder is fixedly installed with water pump. The biochemical treatment device of integrated domestic sewage, through pumping mechanism, after the sludge and clear water produced in the biochemical treatment of sewage in processing cylinder, can separately first draw out clear water, realizes solid -liquid separation, avoids pollution, and also facilitates the direct treatment of both subsequent, provides the practicality of device.

The utility model relates to filter technical field discloses anti -blocking filter, including the inside left and right sides of mounting disc are all seted up solid -liquid separation mechanism, the inside sliding connection of mounting disc has filter screen, the bottom fixed connection of mounting disc has bottom pipeline, the outside left and right sides of mounting disc are all sliding connection has demolition mechanism, the solid -liquid separation mechanism includes recess, the inside fixed connection of recess has fixed link, the outside of fixed link is equipped with the installation spring. In the utility model, through extension link drive extrusion board to extrude sealing plate, then can make sealing plate can drive sliding rod in the inside of installation shell slide, then can make reset spring also extrude, then can make reset spring produce deformation, then can make liquid through cross installation board can flow outward, then can realize to the solid -liquid separation of cleaning residue.

The utility model relates to the technical field of part production, in particular to a cooling device for die-casting part production, which comprises a cooling pool, a buffer cooling mechanism for reducing part impact force is arranged on the cooling pool, and a solid-liquid separation filtering mechanism is arranged in the cooling pool. By arranging the buffer cooling mechanism, in the production process of die-casting parts, the heat treatment cost of the liquid forgings can be reduced, the water temperature can be controlled within the process range, the solution treatment quality is guaranteed, in addition, the mechanism can prevent the liquid forgings from colliding and deforming when the liquid forgings slide in, the product percent of pass is improved, the forgings can be quickly taken after treatment is finished, and the production efficiency is improved. According to the die-casting part cooling device, the production efficiency is improved, by arranging the filtering mechanism, solid-liquid separation can be achieved in the process of cooling die-casting parts, solids in cooling liquid can be separated in time, the cooling liquid can be recycled, the cooling liquid can be recycled conveniently, the resource utilization rate is improved, and a filtering net can be rapidly replaced.

This invention provides a system for preparing toxic leachate from solid waste. The device comprises a sample stage, a crushing module, a mixing module, a robotic arm for gripping the equipment, a weighing module for weighing the samples processed by the crushing and mixing modules, a tilting mixing module for conducting leaching experiments on the accurately weighed samples, and a pressure filter module for filtering the leachate processed by the tilting mixing module. This system not only avoids the risk of sample contamination from manual operation but also significantly improves accuracy and efficiency through automation, greatly reducing the physical exertion required for manual work. Furthermore, by designing a double-layer pressure filter, large particles of solid waste are first filtered out, followed by sedimentation of some fine powdery solid waste. This prevents a large amount of solid from adhering to the filter membrane and tearing the filter paper, thus affecting the pressure filter efficiency. This makes the entire pressure filter process faster and achieves excellent solid-liquid separation.

This utility model relates to the technical field of plate chain lubrication systems, specifically a dustproof plate chain lubrication system for a cementitious material production line. It includes a support base and a chain disposed within the support base. A housing is connected to the support base, and a lubrication mechanism and two dust isolation mechanisms are disposed within the housing. The lubrication mechanism includes an oil delivery pipe, which is fixedly installed within the housing. A spiral groove is formed on the inner circumferential wall of the oil delivery pipe. This dustproof plate chain lubrication system for a cementitious material production line, by incorporating two dust isolation mechanisms, can physically isolate dust from the environment, preventing the formation of sludge that clogs the oil nozzles. The spiral groove on the inner wall of the oil delivery pipe in the lubrication mechanism allows the lubricating oil to automatically rotate during flow, thereby using centrifugal force to throw denser solid particles in the lubricating oil towards the pipe wall, achieving solid-liquid separation.

The utility model discloses a white carbon black preparation and collection device, which relates to the technical field of white carbon black preparation and collection and comprises a preparation tank, a cover plate is fixedly arranged on the top surface of the preparation tank through bolts, a gear box is arranged in the middle of the top surface of the cover plate, a flange feeding pipe is arranged on one side of the gear box, and a first motor is arranged on the other side of the gear box. A second motor is arranged on the top surface of the gear box; the first motor is matched with the first bevel gear and the second bevel gears, and the first motor drives the first bevel gear to rotate and drives the two second bevel gears to rotate, so that the first sleeve and the second sleeve are conveniently driven to rotate reversely, the raw material stirring sufficiency and uniformity are improved, and the function of fully mixing the reaction raw materials can be further realized; and through cooperation of a second sleeve and a stirring blade and cooperation of a first sleeve and a stirring paddle, the stirring blade and the stirring paddle perform reverse stirring at the same time, the problems that an existing device is inflexible in discharging and low in collection efficiency are finally solved, and the white carbon black preparation and collection effect and preparation efficiency are improved.

The utility model discloses a solid-liquid separation device for food detection waste. The solid-liquid separation device comprises a bottom plate, a supporting plate I, an extrusion assembly and a supporting assembly, first electric push rods are symmetrically arranged at the four corners of the upper surface of the bottom plate, the top ends of push rods of the first electric push rods are fixedly connected with the lower surface of a first supporting plate, a rectangular hole is formed in the middle of the first supporting plate, a limiting ring is placed on the upper surface of the first supporting plate, and a filter cloth cylinder is arranged on the lower surface of the limiting ring, penetrates through the rectangular hole and extends to the position below the first supporting plate. Supporting columns are symmetrically arranged on the upper surface of the bottom plate; the extrusion assembly is slidably connected to the lower surface of the first supporting plate, and the extrusion assembly and the filter cloth cylinder are transversely and correspondingly arranged; the supporting assembly is fixedly connected with the upper surfaces of the four supporting columns correspondingly, and a collecting box is placed in the middle of the upper surface of the bottom plate, according to the solid-liquid separation device for the food detection waste, solid-liquid separation is conducted by extruding and filtering the food detection waste, and the separation effect during extruding is improved.

The utility model discloses a nickel chloride cooling crystallization device and relates to the technical field of nickel chloride cooling crystallization. The nickel chloride cooling crystallization device comprises a supporting base, the upper surface of the supporting base is fixedly connected with a plurality of connecting rods, the upper ends of the connecting rods are fixedly connected with a reaction tank, the outer surface of the reaction tank is fixedly connected with a liquid outlet pipe, the liquid outlet pipe is communicated with the interior of the reaction tank, and the reaction tank is provided with a crystallization mechanism. The scraping ring moves upwards to scrape crystals on the inner wall of the reaction tank into the collecting ring frame, the filter screen moves upwards to fish out the crystals upwards, then solid-liquid separation is achieved, liquid can be discharged out of the reaction tank through the liquid outlet pipe, then solid-liquid separation of nickel chloride can be achieved through the scheme, solid-liquid separation is efficient, solid-liquid separation is simple and flexible, and operation is easy and convenient. Therefore, the practicability of the nickel chloride cooling crystallization device is improved.

The invention discloses low-cost submicron silver powder capable of being quickly sintered at low temperature and a preparation method thereof, and belongs to the technical field of silver powder preparation. The preparation method comprises the following steps: preparing a nano-emulsion which is obtained by pouring an emulsifier ethanol solution into an organic alkali aqueous solution and stirring until the solution is clarified, and the mass ratio of an emulsifier to organic alkali in the nano-emulsion is 2: 1; preparing a silver nitrate aqueous solution and a reducing agent aqueous solution; the preparation method comprises the following steps: adding PVP K90 into water to prepare a reaction base solution, adding a nano-emulsion accounting for 0.9-1.1% of the total mass of silver nitrate into the reaction base solution, and uniformly stirring for later use; and under stirring, a silver nitrate aqueous solution and a reducing agent aqueous solution with the same volume are all dropwise added into the reaction base solution at the same flow speed, then organic salt is added for flocculation, stirring is stopped after flocculation is finished, suction filtration is conducted on the obtained reaction solution, obtained sediment is washed and dried, and the submicron silver powder is obtained. The submicron silver powder is prepared by adding the organic salt to destroy the colloid steady state.

The utility model relates to the technical field of sewage treatment, and solves the problems that during sewage treatment, garbage in water is attached to a grid, directional cleaning and collection cannot be realized, inconvenience is brought to later cleaning, the cleaning difficulty is increased, the grid is blocked after a long time, and the water passing rate is influenced. The grid for sewage treatment comprises a gantry frame, fixing plates are symmetrically arranged on the inner side wall of the gantry frame, a motor A is arranged at the top end of one fixing plate, the output end of the motor A penetrates through the fixing plate to be fixedly connected with a rotating shaft A, and the surface of the rotating shaft A is sleeved with a grid belt. The side, away from the rotating shaft A, of the grid belt is sleeved with a rotating shaft B, the two ends of the rotating shaft B are rotationally connected with the fixing plates through bearings, and a plurality of conical rods are arranged on the surface of the grid belt. A trapezoidal frame is fixed to the top of the gantry frame, a motor B is arranged on the side face of the trapezoidal frame, and the output end of the motor B penetrates through the trapezoidal frame and is fixedly connected with a roller.