3259results about "Mixing materials pretreatment" patented technology

A shaking tank for mixed preparation of origanum oil-containing antioxidant drawing oil, comprising a bottom plate (1). A fixing mechanism (2) is fixedly connected to the top of the bottom plate (1). A shaking tank (4) is fixedly connected to the middle of the fixing mechanism (2), and a stirring mechanism (7) is fixedly connected to the interior of the shaking tank (4). A discharging pipe (6) is fixedly connected to the top of the shaking tank (4). A collecting box (3) is fixedly connected to the top of the bottom plate (1), and the collecting box (3) is located below the fixing mechanism (2). Raw materials are separately placed and automatically added, so that the labor costs are reduced, and the working efficiency can be improved; moreover, solid raw materials are crushed by means of a crushing part (58), so that faster reaction and mixing can be performed during mixing. A cleaning part (57) automatically cleans a cleaning shell (571) after liquid raw materials are added, mixed oil enters the collecting box (3) by means of a discharging hole (76), and a motor (31) drives a filter net (310) to shake, so that impurities in the oil are filtered out, and the filter net (310) is prevented from being blocked.

The utility model relates to the technical field of sewage treatment, and discloses an intelligent dosing device which comprises an intelligent dosing box body, a liquid outlet pipe and an automatic valve, one end of the liquid outlet pipe communicates with the bottom of the intelligent dosing box body, the automatic valve is arranged at the other end of the liquid outlet pipe, and a mixing mechanism is arranged in the intelligent dosing box body. A dosing mechanism is arranged at the top of the intelligent dosing box body, and the mixing mechanism comprises a liquid level laser sensor, an electric cylinder, a connecting rod, a supporting frame I, a filter screen I, a supporting frame II and a filter screen II. According to the intelligent medicine adding device, by adjusting the height of a first supporting frame, when the first supporting frame drives a first filter screen to move downwards, the first filter screen extrudes medicine powder dough to the top of a second filter screen, the first filter screen and the second filter screen crush the medicine powder dough, medicine can be fully mixed, and the concentration of a medicine solution is closer to the preset concentration; therefore, the quality of medicament concentration is improved.

To provide a water discharge nozzle and a shower head capable of suppressing the loss of generated fine bubbles and injecting the fine bubbles.SOLUTION: A water discharge nozzle according to the present invention comprises a substantially cylindrical housing having a flow channel formed therein, a fine bubble generating mechanism disposed in the flow channel, and a dispersion plate provided at the outflow side end of the flow channel, wherein the above fine bubble generating mechanism consists of a first swirling flow forming plate having a plurality of inclined holes, a cylindrical bubble generating member including an aperture with a small inner diameter in the middle region in the longitudinal direction, and a second swirling flow forming plate having the plurality of inclined holes, and the fine bubble generation mechanism is arranged so that the water flow passing through the second swirling flow forming plate directly reaches the dispersion plate.SELECTED DRAWING: Figure 1

The invention provides a mixing device and a mixing method for neodymium-iron-boron magnet production, and belongs to the technical field of mixing devices.The mixing device comprises a mixing tank body, a detachable top cover is arranged at the top of the mixing tank body, a screening assembly and an airflow crushing assembly are arranged at the top of the top cover, the screening assembly comprises a screening box, and the screening box is arranged at the top of the top cover; the airflow crushing assembly comprises an airflow crushing bin, one side of the screening box is connected with the airflow crushing bin, a stirring cavity is formed in the mixing tank body, a stirring assembly is arranged in the stirring cavity, the stirring assembly comprises a separation cover and two sets of spiral material turning blades, and the separation cover divides the stirring cavity into an inner mixing cavity, a material turning cavity and a top mixing cavity. A plurality of groups of communicating grooves for communicating the inner mixing cavity with the material turning cavity are formed in the bottom end of the separation cover; the two groups of spiral material turning blades are positioned in the material turning cavity; through the arrangement of the airflow crushing assembly, large-particle materials can be crushed into fine particles; and through the arrangement of the stirring assembly, the materials can circulate in different chambers, and uniform mixing of the materials is ensured.

The invention discloses a dissolving and mixing device for adhesive production, the dissolving and mixing device comprises a mixing tank, a crushing assembly, a premixing cylinder, a first stirring assembly and a second stirring assembly, and the crushing assembly can perform preliminary crushing treatment on solid materials and liquid raw materials in the mixing tank before the solid materials and the liquid raw materials are mixed. Part of liquid raw materials can be premixed through the premixing barrel and are diffused out of the premixing barrel through the diffusion holes. The solution in the premixing barrel is stirred through the first stirring assembly in the premixing barrel, and the stirring effect on the solution in the premixing barrel can be enhanced. The first stirring rods on the stirring rods and the second stirring rods on the rotating shaft which are vertically arranged at intervals in a staggered manner can generate mutually superposed stirring forces in the stirring process, so that the stirring strength can be further enhanced, solid powder materials are subjected to stronger shearing and collision effects in the stirring process, and the formation of aggregates and cakes is avoided; the dissolving and mixing efficiency and quality of solid materials and liquid raw materials are improved.

The utility model relates to the technical field of industrial wastewater treatment, in particular to industrial wastewater treatment equipment. Comprising a tank body, a water inlet, a stirring shaft and stirring fan blades, the stirring shaft is driven by a driving device, a dispersing disc is fixedly installed on the stirring shaft and located above the water inlet, an annular discharging groove is formed in the dispersing disc, a plurality of dispersing holes are evenly formed in the bottom of the discharging groove, and a top cover is detachably connected to the top of the tank body; at least one distribution plate is installed on the top cover, the lower end face of the distribution plate is attached to the bottom of the discharging groove, and a feeding device is installed on the top of the tank body and used for conveying materials to the dispersing disc; the problems that when a medicine added into industrial wastewater is powder, the powder is directly added into the wastewater and is prone to caking, and the mixing uniformity of the medicine and the wastewater is affected are effectively solved. The medicine powder dispersing device is convenient to use, medicine powder can be effectively and uniformly dispersed and thrown into waste water needing to be treated, and the mixing degree of the medicine powder and the waste water is improved.

The invention relates to the technical field of urea production, in particular to a urea production device. Comprising a mixing tank, a feeding hopper, a stirring device, a liquid inlet pipe and a liquid discharging pipe, an inner cylinder is arranged in the mixing tank and divides the mixing tank into an inner mixing bin for storing premixed liquid and an outer mixing bin for storing raw materials to be mixed from inside to outside, a filter screen plate is arranged above the inner cylinder, and small-particle raw materials are evenly dispersed in the inner mixing bin through the filter screen plate; and the large-particle raw materials are guided into the external mixing bin. In the liquid separation stage, water waves generated by vortex rotation are used for driving the floating plate to drive the drainage plate to float up and down in the premixed liquid, so that vortex outer ring solutions with different depths are guided to the axis, and the mixing degree of the solutions in the horizontal direction is enhanced; the floating plate is used for raising the vortex outer ring solution in an inclined manner, so that gravitational potential energy is used for impacting the rear part of the drainage plate, the local concentration difference is further broken, and the solution is promoted to reach a more uniform mixing state.

The invention discloses a micropore bubbling aeration two-stage oscillation modulation synergistic system and an application method thereof. The modulation synergistic system comprises a two-stage oscillation device, an air supply unit connected to the upstream of the two-stage oscillation device, and a micropore coil pipe and an aeration tank which are connected to the downstream of the two-stage oscillation device. The two-stage oscillation device comprises a non-feedback oscillation cavity connected with the branch section, a sound wave oscillation cavity sequentially connected with the air inlet section, and a cavity connecting section connected with the non-feedback oscillation cavity and the sound wave oscillation cavity in parallel. Controlled pulsating oscillation airflow is injected into the microporous aeration system through the two-stage oscillation device, and periodic inertia force disturbance is introduced in the bubble generation stage; the pulsating pressure field breaks through gas-liquid interface force balance under traditional steady-state airflow, so that the bubble separation critical size is remarkably reduced, hole opening air film oscillation is accelerated through high-frequency pressure oscillation, necking fracture is promoted, and the bubble separation size is reduced; and meanwhile, transient shear force generated by the pulsating airflow inhibits interaction of adjacent bubble wake flows, and the coalescence probability is reduced.

The invention discloses water and fertilizer regulation and control equipment for applying a water and fertilizer retention product to sandy soil, and relates to the technical field of water and fertilizer regulation and control. A supporting frame is fixedly connected to the side face of a connecting pipe, a material mixing component is fixedly connected to the side, away from the supporting frame, of the connecting pipe, and a discharging component is fixedly connected to one end of the connecting pipe; according to the device, the filtering component is arranged, a water pump is turned on, so that a filtering net plate filters impurities in water flow, a net rack drives an ejection mechanism to move towards one side far away from the filtering net plate through impact force of the water flow, and meanwhile, when the filtering net plate filters the water flow and meshes in the filtering net plate are blocked, the water flow can be separated from the water flow through the ejection mechanism. And when the impact force of the water flow flowing through the filter screen plate is smaller than the drawing force of the first spring, the first spring drives the ejection mechanism to move towards the meshes of the filter screen plate through the net rack, so that the ejection mechanism ejects impurities blocked in the meshes of the filter screen plate.

The invention belongs to the technical field of coal-based solid waste utilization, and particularly relates to a crushing and mixing device for coal-based solid waste filling, which comprises a feeding hopper, a crushing and mixing device, a crushing and mixing device, a crushing and mixing device and a crushing and mixing device, the top end of the crushing box communicates with the bottom end of the feeding hopper; a crushing mechanism and a screening mechanism are sequentially arranged in the crushing box from top to bottom; the upper portion of the mixing box communicates with a discharging port of the crushing box, a third motor is installed in the middle of the top end of the mixing box, the output end of the third motor penetrates through the top wall of the crushing box and is connected with a first stirring assembly, a second stirring assembly is arranged on the inner bottom wall of the crushing box, and the tail end of the first stirring assembly extends into the second stirring assembly. The second stirring assembly is in transmission fit with the third motor. The discharging rhythm is accurately regulated and controlled through the material distributing mechanism, the phenomenon of material accumulation or idle running of the crushing mechanism is avoided, differential rotation is adopted by the double stirring assemblies, a composite flow field is formed, and the stirring uniformity is further improved.

The utility model discloses a raw material blending tank for resin processing, and relates to the technical field of resin processing. The raw material blending tank for resin processing comprises a blending mechanism, a mixing mechanism and a base, a blending barrel is arranged at the top end of the blending mechanism, and the bottom of the blending barrel is connected with a grinding cavity in a sealed mode through a feeding port. In order to overcome the defects that raw materials are not ground and feeding is too concentrated when a blending device is used, raw material particles are ground through a grinding roller, so that the raw material particles are refined, the surface area of the raw material particles is increased, uniform mixing is facilitated, blockage caused during feeding can be avoided through a bidirectional auger paddle, and the production efficiency is improved. Raw materials can be guided into the stirring cavity in batches through the rotary table and the partition plate, so that the stirring uniformity is improved, the stirring time is shortened, the working efficiency is improved, and the time and the energy cost are saved.

The invention relates to the technical field of food processing and mixing, and discloses a food processing premixing mechanism which comprises a screening box and a mixing seat, a vibration motor is mounted on the outer wall of the screening box, a first guide hopper and a second guide hopper are arranged on the outer walls of the two sides of the screening box in a staggered mode, one end of the second guide hopper extends to the mixing seat, and a mounting frame is fixed to the side wall of the mixing seat. A screw rod assembly is arranged in the mounting frame, a supporting arm is connected to the screw rod assembly, and a material mixing assembly is mounted at the bottom of the supporting arm; the material mixing assembly comprises a gear part, and an extension arm I, a material mixing rod I, an extension arm II and a material mixing rod II which are mounted on the gear part. The vibration motor cooperates with the rotating shaft and the swing rod to drive the screening box and the filter screen to efficiently screen and separate materials with large and small particle sizes, large crushed materials are automatically discharged, and fine materials are conveyed. The screw rod assembly can flexibly adjust the height of the material mixing assembly to meet different material mixing requirements. And the bevel gear drives the mixing rod I and the mixing rod II to perform composite motion, so that multi-dimensional stirring and mixing of the materials are realized.

To provide a water-discharging nozzle and a shower head capable of spraying generated fine bubbles while suppressing loss of the bubbles. [Solution] The water-discharging nozzle according to the present invention comprises a roughly cylindrical housing having a flow path formed therein, a fine-bubble generating mechanism arranged in the flow path, and a spray plate provided at the outlet end of the flow path, the fine-bubble generating mechanism comprising a first swirl-flow forming plate having a plurality of inclined holes, a cylindrical bubble-generating member including a throttle section with a small inner diameter in a longitudinal intermediate region, and a second swirl-flow forming plate having a plurality of inclined holes, and is arranged so that the water flow that has passed through the second swirl-flow forming plate reaches the spray plate directly.

The utility model relates to a coal gangue recycling treatment device, and belongs to the technical field of mixing and stirring equipment. Feeding devices are fixedly arranged at the four corners of the upper portion of the stirring barrel, a left net rack with side hooks is movably hung below the feeding devices and above the stirring barrel, a right net rack is movably arranged on one side of the left net rack through a positioning hinge, and a lifting handle is fixedly arranged on the right net rack; the lower part of the side hook is movably contacted with an inductive switch; the inductive switch is fixed on the outer side surface of the mixing drum; coal gangue powder fed from the feeding device is filtered by the left net rack and the right net rack and then falls into the stirring barrel, the motor with the speed reducer drives the main shaft and the spiral blade to conduct mixing and stirring, and the right end of the bottom of the stirring barrel is provided with the discharging port and the discharging device so that the flow can be controlled. Four groups of moving wheels are fixedly arranged at the bottom of the support frame, so that the device is convenient to transport and move; the control switch is connected with the motor, the gear motor and the inductive switch through power lines, unified control is achieved, and operation is safe.

The utility model relates to the technical field of liquid preparation devices, and discloses a liquid preparation tank for medical injection production, which comprises a base, the top of the base is fixedly connected with a mixing barrel, the top of the mixing barrel is provided with a barrel cover, and the middle of the top end of the barrel cover is fixedly connected with a servo motor. The output end of the servo motor penetrates through the can cover and is fixedly connected with a first rotating rod, the bottom of the outer side of the first rotating rod is rotationally connected with a hollow column, the bottom of the inner side of the hollow column is rotationally connected with a second rotating rod, and the adjacent ends of the first rotating rod and the second rotating rod are fixedly connected with first bevel gears. According to the mixing device disclosed by the utility model, through the matching among the first bevel gear, the second bevel gear and the arc-shaped scraping plate, the inner wall of a medicament can be scraped while the medicament in the mixing barrel is fully mixed, the inner wall of the mixing barrel is relatively simple to clean, and impurities in the medicament can be filtered through the filter screen, so that the processing quality of the medicament can be ensured.

The utility model discloses an efficient waste liquid treatment stirring kettle, which belongs to the technical field of waste liquid treatment stirring kettles and comprises a kettle body, a stirring component and a feeding and discharging component, the kettle body is used for bearing waste liquid, and the feeding and discharging component is mounted on the kettle body and used for injecting the waste liquid into the kettle body and discharging the waste liquid in the kettle body. The stirring assembly comprises a pair of stirring blades, a pair of rotating rods, a pair of first bevel gears and a pair of second bevel gears, the two rotating rods are rotationally connected with the bottom wall and the top wall of the kettle body respectively, the two stirring blades are symmetrically arranged in the kettle body up and down, and one stirring blade is coaxially connected with the periphery of the rotating rod at the bottom. Two stirring blades which are arranged in opposite directions rotate in opposite directions at the same time, so that waste liquid at different heights can be driven to rotate in opposite directions at the same time, and the problem that most water bodies of an existing waste liquid treatment stirring kettle move in the same direction, and the stirring efficiency is low easily is solved.

The invention discloses a method for preparing a carbon source from kitchen waste, and belongs to the technical field of organic waste treatment. Comprising the following steps: preparing a Fe-loaded carbon nanomaterial; preparing a Fe-loaded carbon aerogel material; weighing the Fe-loaded carbon nanomaterial and the Fe-loaded carbon aerogel material according to a preset proportion to obtain mixed powder; the mixed powder is bonded through resin, then compression molding and roasting are conducted, and the conical filler is obtained; adding the conical filler and the kitchen waste into a pulping container of a carbon source preparation machine, and adding flora required for hydrolytic acidification of the kitchen waste; starting stirring to prepare the carbon source. According to the method, the kitchen waste is recycled through cooperation of the Fe-loaded carbon-based material and microorganisms, and the method has the advantages of being environmentally friendly, low in cost, high in efficiency, capable of being repeatedly used and the like.

The utility model discloses a rolling and stirring device for producing refractory materials, which relates to the technical field of material mixing devices and comprises a material box, a feeding pipe is arranged on the side surface of the upper end of the material box, a material mixing unit and a filter screen are mounted in the material box, a discharging pipe and a plugging unit are mounted on the lower surface of the material box, and a discharging unit is arranged in the discharging pipe. A material guiding hole is formed in the connecting position of the material box and the discharging pipe, and the blocking unit is slidably connected into the material guiding hole. The device has the beneficial effects that raw materials above a filter screen are ground and crushed through a first scraping plate and a grinding roller, a mixture is screened through the filter screen, and the situation that the mixing quality is affected by raw material caking is effectively avoided; a mixture at the bottom in the material box is conveyed to the position above the material box through a first spiral blade and a sleeve, and raw materials are turned up and down, so that the mixture can be better and uniformly mixed, the mixing quality of the raw materials is guaranteed, and the mixing efficiency is effectively improved.

The invention discloses equipment and a method for preparing a self-adaptive anti-corrosion coating of a metal anchor rod in a humid environment, and relates to the field of preparation of anti-corrosion coatings. The equipment for preparing the self-adaptive anti-corrosion coating of the metal anchor rod in the humid environment comprises a mixing tank, feeding pipes fixedly communicate with the top and the side wall of the mixing tank, the equipment further comprises a rotating shaft rotationally connected into the mixing tank, a plurality of sets of elastic rods are rotationally connected to the rotating shaft at equal intervals, each set of elastic rods comprises a plurality of elastic rods, and the elastic rods are arranged in the mixing tank. The blades are equidistantly distributed along the outer wall of the rotating shaft; the stretching degree of the elastic rod is changed through the centrifugal force of the balancing weight, a booster pump is matched for gas conveying, coating raw materials are fully stirred, mixing is more uniform, meanwhile, the gas spraying amount is controlled through lifting of the connecting shaft, the elastic rod and the balancing weight are driven to rotate, the raw materials are disturbed from multiple dimensions, an all-dimensional and multi-layer stirring mode is formed, and the stirring efficiency is improved. The mixing uniformity is greatly improved, the mixing time is remarkably shortened, and the production efficiency is improved.

The invention relates to the technical field of soil amendments, in particular to a production process and equipment of a soil amendment, and the process comprises the following steps: grinding and mixing preparation raw materials based on crystal structure atlas of mineral raw materials and infrared spectrum atlas of organic substance raw materials in the preparation raw materials; grinding the mineral substance raw material to obtain a first mixture, and determining to add an organic substance raw material into the first mixture based on the sphericity degree of particles in the first mixture and the energy consumption per unit mass in the grinding process, based on the dynamic angle of repose of the first mixture, determining the rotating speed of the stirrer after the organic substance raw material is added, and stirring and mixing to obtain a second mixture; whether the production process parameters of the soil conditioner are adjusted or not is determined based on the particle uniformity of the soil conditioner obtained after drying treatment. According to the method, the preparation quality and efficiency are improved by improving the control accuracy of the production process of the soil conditioner.

The invention relates to the technical field of material mixing, and discloses a raw material mixing device for light building material manufacturing and capable of being pretreated, the raw material mixing device comprises a mixing structure and a supporting column, a stirring structure is arranged in the mixing structure, a dust removal structure is arranged at the top end of the mixing structure, and a discharging structure is arranged at the bottom end of the mixing structure; in the arranged stirring structure, a first motor rotates through a first rotating shaft and a fixing block, the fixing block drives a grinding roller to roll, the grinding roller grinds raw materials of a conical filter plate, the raw materials with different particle sizes can be processed into finer and uniform particles through grinding, all components can be evenly distributed in the stirring process, and the stirring effect is improved. And the cleaning brush swings, so that the risk that particles block the filter plate is reduced, the liquidity and continuous operation of the device are ensured, raw materials are effectively prevented from being attached to the tank wall, and the waste of the raw materials is reduced.

The invention relates to the technical field of soil remediation, and discloses quantitative-proportioning agricultural remediation agent spraying equipment for soil remediation, the quantitative-proportioning agricultural remediation agent spraying equipment comprises a liquid medicine box and a frame, the liquid medicine box is fixedly mounted on the top surface of the frame, a water inlet pipe is fixedly arranged at the upper end of the left side wall of the liquid medicine box in a penetrating manner, and a flow meter is arranged on the water inlet pipe; a feeding channel is fixedly arranged on the left side of the top of the liquid medicine box in a penetrating mode, a material box is fixedly installed on the top of the feeding channel in a penetrating mode, and a feeding opening is fixedly formed in the top of the material box in a penetrating mode. According to the quantitative-proportioning agricultural remediation agent spraying equipment for soil remediation, solid powder particles and water can be quantitatively proportioned, the accurate proportioning ratio is guaranteed, meanwhile, the solid powder particles can be crushed, the situation that the solid powder particles are agglomerated and are difficult to be fused with water is avoided, and therefore the pesticide effect of a prepared remediation agent is guaranteed, and the service life of the remediation agent is prolonged. The improvement of the remediation effect on the agricultural soil is facilitated.

The utility model relates to the field of dressing production, in particular to a stirring tank for dressing production, which comprises a tank body, a feeding hopper and a driving part are arranged at the top of the tank body, a stirring part is arranged in the tank body, the driving part is used for driving the stirring part to rotate, a crushing roller and a filtering part are arranged in the feeding hopper, and the filtering part is used for filtering the crushing roller. The crushing roller is used for crushing cakes in dressing powder, the filtering part can filter dressings, a driving assembly is arranged at the top of the tank body and is used for driving the crushing roller and the filtering part to rotate, and the scraping part scrapes the dressings adhered to the inner wall of the tank body and is matched with the stirring part to stir the dressings. According to the dressing stirring device, the stirring efficiency of dressings can be improved, then the driving assembly can drive the crushing roller and the rotating shaft to rotate at the same time, on one hand, caked dressings can be crushed, on the other hand, cakes which are not crushed thoroughly can be filtered, and the dressing stirring efficiency and quality are prevented from being affected.

The invention relates to the technical field of tea garden fog irrigation, in particular to a rotary fog irrigation machine and a use method. According to the technical scheme, the device comprises a conveying frame, a transposition driving assembly used for adjusting the irrigation position is installed at the top of the conveying frame, a water tank is installed at the top of the transposition driving assembly, a conversion assembly is installed at the top of the transposition driving assembly, and the water tank and the conversion assembly are connected through a high-pressure pump. The single-tooth rotating wheel pushes a third gear to rotate along a third auxiliary rotating rod every time the single-tooth rotating wheel rotates by a circle, so that a large difference value is generated between the rotating speed of fan blades and the rotating speed of the rotary mist irrigation assembly, in the process, the rotary mist irrigation assembly rotates to throw water mist to a farther distance through centrifugal force, and the water mist can be sprayed to the farther distance through centrifugal force; and the rotation difference value of the fan blades and the rotary fog irrigation assembly is also utilized, so that wind power can guide water mist to enter a standard area, the irrigation range is expanded, the control force on the irrigation area is improved, and the cost and time cost are also saved.

The invention discloses a water treatment tubular mixer, and belongs to the technical field of water treatment.The water treatment tubular mixer comprises a supporting frame and a pipe body installed on the supporting frame, a feeding pipe is installed on the pipe body, a plurality of first bottom plates are installed on the feeding pipe, a supporting seat is installed on one first bottom plate, a ball screw is installed on the supporting seat, and a plurality of second bottom plates are installed on the ball screw; a top plate is installed on the ball screw, a supporting assembly is installed on one first bottom plate, an auxiliary transmission assembly is installed on the supporting assembly, a main transmission assembly is installed on the ball screw, a limiting plate is installed on the auxiliary transmission assembly, a movable column is installed at the bottom of the top plate, and an auxiliary connecting frame is installed on the movable column. By arranging the top plate, the feeding pipe can be closed when the pipe body is not used, external foreign matter can be prevented from entering the pipe body to damage the interior of the pipe body and the screw rod, and by arranging the ball screw, the top plate can be conveniently driven to move to open the feeding pipe when the ball screw is rotated.

The utility model belongs to the technical field of white spirit production, and particularly relates to a filtering device with an anti-blocking structure for white spirit production, which comprises a filter cartridge for filtering white spirit, the top of the filter cartridge is fixedly communicated with a white spirit inlet pipe, and an annular impurity receiving groove is fixedly connected in the filter cartridge. The top of the annular impurity receiving groove is fixedly connected with an arc-shaped filter screen, and an automatic cleaning assembly is arranged between the arc-shaped filter screen and the white spirit inlet pipe. The device is reasonable in structural design, the purpose of automatically cleaning the arc-shaped filter screen can be achieved through the operation of the arc-shaped filter screen and the cleaning brush for flowing and autorotation of white spirit, the situation that the white spirit filtering efficiency and effect are reduced due to the fact that the arc-shaped filter screen is blocked by impurities is avoided, the impurities fall into the annular impurity receiving groove to be collected under the cleaning of the cleaning brush, and the service life of the white spirit is prolonged. The driving motor can be started regularly so as to drive the scraping plate to rotate in the annular impurity receiving groove, and impurities in the annular impurity receiving groove can be swept into the impurity discharging pipe to be discharged.

The utility model discloses a dispersing and pre-blending device for feed production, which comprises a pre-mixing cylinder, a main material cylinder for storing main materials is arranged at the top of the pre-mixing cylinder, a plurality of ingredient cylinders for storing ingredients are arranged at the top of the pre-mixing cylinder and positioned on the peripheral side of the main material cylinder, and the plurality of ingredient cylinders are annularly distributed at the top of the pre-mixing cylinder; a dispersing box for dispersing the main material is arranged between the main material barrel and the premixing barrel, and a dispersing mechanism for dispersing the caked main material is arranged in the dispersing box; the utility model relates to the technical field of pre-blending devices. According to the dispersing and pre-blending device for feed production, main materials can be uniformly discharged into the premixing barrel through the arranged material passing pipe, the discharging pipe, the discharging disc and a plurality of material dispersing channels in the discharging disc, the discharging pipe and the discharging disc arranged at the bottom of the discharging pipe are driven to rotate under the driving of the driving motor, and the main materials are uniformly dispersed in the premixing barrel; and the main material can be uniformly and annularly distributed in the premixing barrel through the rotating blanking disc and the bulk material channel.

A treatment device for a liquid may include an air compressor configured to generate compressed air and an air dryer coupled downstream from the air compressor. The treatment device may also include an oxygen concentrator coupled downstream from the air dryer and configured to separate nitrogen and oxygen from the compressed dry air and output the nitrogen to the air dryer. The treatment device may also include an oxygen nanobubble generator coupled downstream from the oxygen concentrator and configured to generate oxygen nanobubbles within the liquid.

The invention belongs to the technical field of low-temperature tests, and discloses a PIV clean particle generation and transmission system for a low-temperature environment. The system comprises a normal-temperature nitrogen pipeline, a particle generator, a liquid nitrogen flash tank, a low-temperature nitrogen pipeline, a cooling and mixing device and an ice particle conveying pipeline. The normal-temperature nitrogen pipeline provides driving airflow needed by operation of the particle generator, wet water vapor containing tiny water particles is generated through the particle generator and conveyed to the cooling mixing device, the wet water vapor is rapidly mixed with low-temperature nitrogen generated by the liquid nitrogen flash tank, and ice particles with the average particle size being about 1 mm are formed through instant cooling. Ice particles generated by the system are uniform in particle size, good in light scattering performance, low in cost and controllable in concentration, can meet PIV test requirements in low-temperature test equipment below 180K, can also be used for other low-temperature environment PIV test requirements with high requirements for trace particle pollution, and has engineering practical value.

The invention discloses solid medicament feeding equipment for sewage treatment, and relates to the technical field of sewage treatment.The solid medicament feeding equipment comprises a sewage treatment cylinder, a stable support is installed on the outer wall of the sewage treatment cylinder, a driving motor is installed at the bottom of the stable support, and the output shaft end of the driving motor is fixedly connected with a stirring shaft; the side wall of the sewage treatment barrel is communicated with a water conveying pipe, and a timed and quantitative solid medicament feeding mode is realized through movable matching of a trigger abutting rod and a balance plate, firstly, timed feeding of the solid medicament is realized through stable reciprocating motion of the trigger abutting rod and timed control of a butterfly valve switch, and the fixed-time feeding of the solid medicament is realized; the dosing time of the medicament can be controlled in a timed dosing mode, congestion caused by excessive medicaments is avoided, the sewage treatment efficiency is improved, equilibrium and stability of the medicament concentration can be maintained, the position can be automatically adjusted according to the conveying change of the internal pressure of the medicament tank through the mounting design of the balance plate, and the device is convenient to use. And therefore, the output quantity of the medicament fed each time is kept consistent.