40results about How to "Add evenly" patented technology

The lecithin adding device for feed processing comprises an adding tank, a material guide plate and a pump machine, the pump machine is installed on the top of the adding tank, the material guide plate is rotatably installed on the inner side wall of the adding tank through a hinge piece, a mixing shaft is rotatably installed in the adding tank, and the mixing shaft is rotatably installed on the inner side wall of the adding tank. The mixing shaft is fixedly sleeved with a swash plate body, a pressing rod is fixedly installed at the tail end of the material guide plate, balls are installed at the bottom of the tail end of the pressing rod and pressed on the swash plate body, a spray head installation transverse pipe is arranged above the material guide plate, and a plurality of spray heads are installed at the bottom of the spray head installation transverse pipe. And a spray pipe is mounted at a discharge port of the pump machine. The device has the beneficial effects that spraying emulsified lecithin is coated and added through vibration rolling, so that lecithin in feed is more uniformly added, and through a spraying and stirring mode, the stirring time is shortened, the adding efficiency is improved and the discharging speed is high on the premise of ensuring uniformity.

The application provides a continuous foam rectification separation and purification device, which comprises a rectification tower and a defoaming cylinder; a stirring assembly is arranged in the defoaming cylinder, and the stirring assembly is connected with a driving mechanism; the stirring assembly comprises a circular pipe; a plurality of uniformly distributed cross pipes are fixedly connected around the circular pipe, and the cross pipes are provided with a plurality of liquid outlet holes in the length direction; a lifting mechanism is installed in the defoaming cylinder and connected with a connecting pipe fixedly connected with the top end of the circular pipe; a conveying mechanism is used for conveying a defoaming agent into the circular pipe; a feeding assembly is installed at the top inlet of the defoaming cylinder; the feeding assembly comprises an inner cylinder, an outer cylinder and an expansion pipe, a spiral channel is arranged between the inner cylinder and the outer cylinder, a plurality of micropores are arranged on the inner cylinder wall and communicated with the inner cylinder, and the plurality of micropores are uniformly distributed in the length direction of the channel; the expansion pipe is connected with the inner cylinder, and the bottom end of the expansion pipe is rotationally and sealingly connected with the top end of the connecting pipe. The preliminary defoaming during feeding and the secondary defoaming in the defoaming cylinder improve the defoaming effect.

The utility model discloses a naphthalene water reducer neutralization reaction device capable of automatically adding alkali, and belongs to the technical field of water reducer production equipment. The naphthalene water reducer neutralization reaction device with the automatic alkali adding function comprises a reaction tank, a tank cover is installed at the top end of the reaction tank, four supporting columns are installed on the outer side of the bottom end of the reaction tank, a cooling mechanism is installed on the outer side of the reaction tank, an alkali liquor tank is arranged on one side of the reaction tank, a ring pipe is installed on the inner side of the reaction tank, and a plurality of alkali liquor spray heads are installed at the bottom end of the ring pipe. The top end of the alkali liquor tank is provided with a liquor feeding mechanism for supplying liquor to the annular pipe, the top end of the annular pipe is provided with a cleaning mechanism for cleaning the alkali liquor spray head, the reaction tank is internally provided with a mixing mechanism, the bottom end of the reaction tank is provided with a liquor outlet pipe, and one end of the liquor outlet pipe is provided with a valve. The neutralization reaction efficiency is improved, and the practical value is relatively high.

The present application belongs to the technical field of sintering mixed material batching, and relates to a method for reducing particle size segregation of mixed material in a multi-stage flat laying manner. According to the required batching ratio, each kind of material is divided into 3-4 stages according to particle size, the first stage is for the material with the largest particle size and the most segregation, the second stage is for the dust removal ash with fine particle size and large dust, and the third and fourth stages are for the material with uniform particle size. Before taking the material, the head and tail cutting operation is implemented, and the mixed material in this area is returned to the top of the new pile. The present application adopts the segmented flat laying manner, solves the particle size segregation, adds the dust removal ash in the second stage, and solves the problem of dust diffusion. Each bin can be used alternately, solving the problem of the number of bins. At the same time, small materials can be added in a certain stage, realizing the recycling of iron-containing resources.

The utility model relates to the technical field of environmental protection, in particular to a soil remediation device for environmental protection, which comprises a mounting seat, an empty slot penetrates through the middle of the mounting seat, a mixing tank is arranged above the empty slot, a tank cover is mounted at the top of the mixing tank, a feeding component is arranged at the top of the tank cover, and a discharging pipe is mounted at the bottom of the mixing tank. A baffle matched with the discharging pipe in size is arranged in the discharging pipe, an adjusting assembly is arranged at the joint of the baffle and the discharging pipe, rolling wheels are installed at the four corners of the bottom of the mounting base, and a handle is fixedly connected to one side of the top of the mounting base. According to the device, a nutrient solution can be uniformly added into the mixing tank, so that the mixing efficiency of the nutrient solution is improved, the device can be used for repairing soil at different degrees by adjusting the flow of the nutrient solution, and the application range is wider.

This utility model discloses a fermentation device for silage of wolfberry branches, belonging to the technical field of fermentation devices. It includes a fermentation cylinder; an L-shaped fixing frame fixedly mounted on the ground above the fermentation cylinder, with a compaction plate that can compact the wolfberry branches sliding vertically within the fixing frame; the fermentation cylinder has an open-top and open-bottom structure, with a detachable upper sealing plate at the upper end to close the upper opening and a detachable lower sealing plate at the lower end to close the lower opening; a storage trough is formed within the compaction plate that can push the wolfberry branch silage out of the fermentation cylinder, and the storage trough stores molasses; several evenly distributed dispersion holes communicating with the storage trough are formed at the bottom of the compaction plate. This application, by setting a compaction plate, can both compact the wolfberry branches and facilitate material feeding; at the same time, it can also greatly improve the uniformity of molasses addition, achieving three benefits in one.

The utility model discloses a kind of even feeding devices for phosphorus pentachloride production, it is related to phosphorus pentachloride production technical field, including base, the top of base both ends is fixedly connected with U-shaped support seat, the top of base one end is fixedly connected with L-shaped support plate, both ends The top of U-shaped support seat is fixedly connected with heat-insulating jacket device, the inner side wall top of heat-insulating jacket device is fixedly connected with storage bin between, the bottom output end of storage bin is fixedly connected with electric valve, the other end of electric valve is fixedly connected with buffer tank, the base provided in the utility model, on the basis of realizing heat preservation protection to avoid affecting even feeding, increase inert gas protection to avoid causing metamorphosis simultaneously, to solve the temperature of the existing phosphorus pentachloride production feeding device is difficult to control due to lack of effective heat preservation structure, and lack of inert gas protection causes security and metamorphosis problem.

The utility model discloses a charging system for flash spinning equipment, which comprises a storage tank, a solvent filling pipe is fixedly arranged at the upper end of the storage tank, a solid material filling pipe is arranged on one side of the solvent filling pipe at the upper end of the storage tank, and a stirring mechanism for stirring and mixing materials is arranged in the storage tank. The stirring mechanism comprises a first transmission rod, a connecting rod, a second transmission rod, a stirring rod, a connecting bin and a connecting pipe, and the first transmission rod is movably arranged in the middle of the inner side of the storage tank through a bearing. The flash spinning device is good in using effect, the traditional mode that flash spinning solvent is added from one side is changed into the mode that the solvent is added in the middle of the storage tank through the extension pipe, so that the solvent is injected from the center of the storage tank and can be rapidly diffused to the periphery to form radial symmetrical flow, the flow mode better conforms to the situation that the solvent is thrown out through stirring, dead zones can be reduced, and the service life of the flash spinning device is prolonged. The polymer particles are more fully contacted with the solvent, and the mixing time is shortened.

The utility model relates to the technical field of concrete processing, in particular to a liquid quantitative feeding device for concrete mixing, which comprises a liquid tank. The lower end of the liquid tank is communicated with a proportional valve, a discharge port of the proportional valve is rotatably connected and communicated with a shaft pipe, two sides of the shaft pipe are communicated with telescopic hoses, the end parts of the telescopic hoses are communicated with liquid outlet nozzles, two sides of the shaft pipe are provided with reciprocating sliding driving assemblies, and a reciprocating rotating driving assembly is arranged below the liquid tank; supporting plates are arranged on the two sides of the lower end of the liquid tank, and supporting rods are fixed to the upper ends of the supporting plates. According to the concrete stirring device, the liquid outlet spray head can be controlled to move back and forth, liquid can be added in a reciprocating rotation mode, the liquid can be evenly added into stirred concrete, therefore, the time for evenly stirring the concrete is effectively saved, quantitative liquid adding can be conducted on stirring equipment of various heights, and the applicability of the device is effectively guaranteed.

The utility model discloses an asphalt concrete milling material cold regeneration asphalt mixing mechanism belongs to cold regeneration asphalt mixing technical field, and the mixing mechanism body includes the mixing bucket, and the bottom one side of mixing bucket is provided with the discharge gate, and the bottom middle fixed mounting of mixing bucket has the motor, and the output fixedly connected with motor has the rotating shaft, and the one end detachable connection of rotating shaft has the stirring subassembly, and the one end of mixing bucket buckling has the cover, and the surface of cover is opened and has the feeding port, and the surface fixed mounting of cover has the feeding pump, and this asphalt concrete milling material cold regeneration asphalt mixing mechanism, through setting up the column, the stirring rod, the stirring frame, the stirring board, the upper sleeve and the lower sleeve, not only can improve the mixing efficiency of cold regeneration asphalt when rotating, facilitates the overhaul of replacement simultaneously, and through setting up the feeding pump, the discharge hole, the flow guide hole, the connecting groove and the feeding nozzle can evenly add the modified additive under the condition of not stopping, and the use convenience has been improved.

This utility model relates to the field of gypsum board production technology, and in particular to a special fiberglass addition device for paper-faced gypsum board. It includes a sieve hopper for adding fiberglass material, with a stepped section inside the sieve hopper. Two feeding components are installed within the stepped section, and these components are used to add fiberglass material by tilting and oscillating. By setting two feeding components and a cam between them, when the cam is driven to rotate by a motor, the irregular contour of the cam applies a periodic and asymmetrical force to the feeding components on both sides, causing the two feeding components to tilt and oscillate within the stepped section, rather than undergoing traditional linear vibration. Due to the eccentric characteristics or specific contour design of the cam, the oscillation amplitude and frequency dynamically change, thereby breaking the static accumulation mode of the fiber material on the sieve and solving the problem of uneven addition of fiberglass material in existing addition devices, thus achieving uniform addition of fiberglass material.

The utility model discloses a batching tank for producing medical intermediates. The batching tank comprises a mixing tank body, a rotating shaft is rotationally connected to the middle of the mixing tank body, and a batching tank body is arranged at the upper end of the rotating shaft; wherein a material guide plate is arranged in the middle of the batching tank body, an opening and closing plate is fixedly connected to the bottom of the material guide plate, a connecting rod is arranged in the middle of the opening and closing plate, and an arc-shaped plate is fixedly connected to the bottom of the connecting rod; wherein a feeding port is formed in one side of the top end of the mixing tank body, a mixing rod is fixedly connected to one side of the rotating shaft, a transmission wheel is arranged at one end of the mixing rod, a rotating rod is arranged on one side of the transmission wheel, and mixing blades are fixedly connected to one side of the rotating rod. A material guide plate and a lifting block are driven to ascend and descend through a material inlet, so that the medical intermediates can be conveniently and uniformly added, and the mixing efficiency of the batching tank for medical intermediate production is higher.

This utility model relates to the technical field of mixing devices, specifically a steel fiber feeding and mixing device, comprising: a top frame, a steel fiber barrel, a bottom frame, a screen plate, and a concrete barrel. The top frame is welded and fixed to the top of the steel fiber barrel and the bottom frame. A screen plate is installed at the bottom of the steel fiber barrel, and the top of the concrete barrel is fitted over the bottom of the steel fiber barrel. The device internally houses a mixing assembly, including a mixing sleeve, a mixing shaft, a steel fiber screen mixing blade, mixing blades, and a mixing rod. The mixing sleeve is fitted onto the mixing shaft in the opposite direction, and the steel fiber screen mixing blades are connected to the outside of the mixing sleeve. The mixing blades and rod are connected to the mixing shaft. The device achieves uniform feeding and avoids clumping by arranging the steel fiber barrel and the concrete barrel vertically, combined with the coaxially rotating mixing sleeve and mixing shaft. The self-rotating design of the concrete barrel and the ball bearing limiting structure improve mixing uniformity, thereby increasing production efficiency and quality.

The utility model relates to reactor technical field provides a reactor for fluorinated ethylene carbonate production, including reactor main part and feed inlet, the top of reactor main part is provided with feed inlet, the side of reactor main part top away from feed inlet is provided with the filler mouth, the top of reactor main part is equipped with the stirring structure, the utility model discloses be provided with stirring structure, start stirring motor makes the stirring shaft rotate, and make the stirring shaft and the output shaft through the intermeshing of primary bevel gear and second bevel gear interconnect, thereby make the stirring shaft and the output shaft synchronous rotation, the stirring shaft drives the stirring vane and carries out the stirring to the inside of reactor main part, and the output shaft drives the quantitative board and rotates in the inside of filler mouth and carries out the quantitative addition of potassium fluoride, thereby reached the purpose of uniform addition of potassium fluoride while conveniently stirring raw materials.

The utility model relates to crystallization equipment technical field, concretely relates to a kind of ectoine production crystallization tank, including tank body. Concentrated liquid feed inlet and ethanol adding port are set on the tank body, ethanol feed inlet is connected with the spraying device in tank body, jacket is set on the outside of tank body, the jacket includes upper jacket and lower jacket, the volume of upper jacket and lower jacket is consistent, the upper side of the upper side of upper jacket is medium inlet, the lower side of the other side is medium outlet, the lower side of the lower side of lower jacket is medium inlet, the upper side of the other side is medium outlet, flow monitoring instrument and control valve are installed on the water inlet pipeline of jacket, temperature monitoring instrument is installed on the water outlet pipeline of jacket. The utility model can realize the uniform addition of ethanol on the one hand, and can realize the more stable control to the temperature in tank body on the other hand, so as to help ectoine better crystallization, help to ensure better crystal form and purity, positively affect product quality.

The utility model relates to the technical field of dye preparation, in particular to dye proportioning equipment which comprises a stirring barrel, a driving shaft, a rotating shaft and a connecting shaft, the driving shaft is arranged on one side of the upper end of the inner wall of the stirring barrel, the connecting shaft is welded to the outer wall of the lower end of the driving shaft, and a bearing is installed on one side of the inner wall of the driving shaft in an embedded mode. A transmission shaft is rotatably mounted in the bearing, first bevel gears distributed in parallel at equal intervals are mounted on the outer wall of the lower end of the transmission shaft, rotating shafts distributed in parallel at equal intervals are rotatably mounted on the outer walls of the two sides of the connecting shaft, and the contact area between stirring blades and materials can be adjusted; the distance between the end surface of the stirring blade and the lower end of the inner wall of the stirring barrel is reduced, so that materials at the lower end in the stirring barrel can be turned up through rotation of the stirring blade, and the stirring uniformity and stirring efficiency of the materials are improved.

The application relates to the field of geotechnical engineering, and discloses a mobile mixing device for fluidized solidified soil, which comprises a mobile vehicle body, a material mixing bin, a vibration crushing mechanism and a mixing mechanism, the material mixing bin is connected to the mobile vehicle body, the vibration crushing mechanism is connected to the mobile vehicle body, the vibration crushing mechanism is used for vibration layering of soil and extrusion crushing of slag blocks, and the mixing mechanism is connected to the mobile vehicle body and used for mixing and preparing solidified soil raw materials. The application has the effects of reducing the influence of slag blocks in soil, improving the possibility of mixing and forming of fluidized solidified soil, and improving the quality of fluidized solidified soil.

The utility model provides a device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production, including vibration feeder and static atomizer, and vibration feeder includes feeder body, is provided with vibration motor on feeder body, and feeder body is connected with support frame through composite damping system, still be provided with opening on feeder body, and static atomizer includes the multi -hole nozzle corresponding to the opening setting. According to the device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production of the utility model, not only can the anti -caking agent be evenly sprayed on the salt particle surface, but also can ensure that the salt particle is fully loose in the conveying process, and further improve the uniform distribution effect of anti -caking agent addition.

The utility model discloses a modified medicament adding device of high molecular material belongs to medicament adding equipment technical field, including the mixer, the inner top intercommunication of mixer has the feed pipe, the medicine adding mechanism, the medicine adding mechanism includes the round fixed plate of fixed connection in the lower extreme of feed pipe, the lower extreme mounting of round fixed plate has the motor, the upper end of round fixed plate is connected with the rotating shaft that rotates, the lower extreme of rotating shaft penetrates round fixed plate to be fixedly connected with the output shaft of motor, the outside fixed connection of rotating shaft has the round rotary plate. The equipment is to the use problem, and the medicine adding mechanism is set, and the round rotary plate is driven to rotate through the control motor, and the cooperation lower feed port and upper feed port can realize the periodic even medicine adding, and the subsequent mixing effect is improved, and the crushing assembly is also set up, and the partial agglomerate in the medicament can be crushed, and the mixing efficiency is guaranteed.

The dosing mechanism of the thickener comprises a dosing machine, a storage box and a flocculating agent spreading mechanism, the dosing machine is connected with the storage box through a pipeline, and the storage box is fixedly arranged on a top plate of the thickener; the flocculating agent spreading mechanism comprises a medicine pipe, the medicine pipe penetrates through the storage box and is rotationally arranged in the storage box, and a through hole is formed in the pipe section, in the storage box, of the medicine pipe; the bottom of the pesticide pipe penetrates through the thickener bottom plate and is provided with a downward inclined sowing section; and the medicine tube is in power connection with the rotating mechanism. According to the utility model, various defects of a thickener dosing system in the prior art are overcome, and uniform charging with lower cost and more convenience in maintenance is realized under the condition of ensuring uniform spreading of a flocculating agent; particularly, compared with a traditional flocculating agent adding pipeline, the pipe blocking probability of the equipment is smaller.

The utility model provides a kind of oil shortening ration regulation and addition control device, and oil shortening ration regulation mechanism includes butter storage unit, ration output unit and filter homogenization unit;Oil shortening addition controller includes output drive motor, vibration generator and detection sensor;Butter storage unit is located above material conveying path;Ration output unit includes the discharge roller that is arranged at strip discharge port;Filter homogenization unit includes filter disc, and filter disc is used to support and filter the oil shortening that falls from discharge roller;Output drive motor is driven connection with discharge roller;Vibration generator is fixedly connected with filter disc, for driving filter disc vibration;Detection sensor is used to detect the oil shortening condition in filter disc, and output detection signal;Vibration generator selectively works according to output detection signal.Oil shortening ration output and uniform addition process are automatically regulated and controlled, and the problems of inaccurate oil shortening addition, uneven distribution and easy clogging in the prior art are solved.

The utility model discloses formaldehyde disinfectant adding equipment for shrimp seed breeding, which comprises a culture pond, and the right side of the culture pond is fixedly connected with a box body. A conveying pump is matched with a suction plate, water on the left side in a culture pond is conveyed into a mixing bin, a metering pump is started, formaldehyde disinfectant in a storage bin is conveyed into the mixing bin through the metering pump, the metering pump stops working after conveying the formaldehyde disinfectant with the preset amount, a motor is started, the motor drives a stirring rod to rotate, and the stirring rod is driven by the motor to rotate. The stirring rod fully mixes water in the mixing bin with the formaldehyde disinfectant, the control valve is started, the control valve conveys the water mixed with the formaldehyde disinfectant to the right side of the interior of the culture pond, the process is repeated, the formaldehyde disinfectant can be evenly distributed in the culture pond, the advantage that quantitative and even adding can be achieved is achieved, the adding amount can be accurately controlled, and meanwhile the adding efficiency is improved. The shrimp seeds can be quickly and uniformly diffused into the whole water body, so that the shrimp seed generation efficiency is improved.

This invention discloses a multi-bucket combined feeding device for shredded stems and its control method. The multi-bucket combined feeding device for shredded stems includes a control module and at least two feeding buckets, including an i-th feeding bucket and a j-th feeding bucket; where i ≠ j and i and j are both positive integers. The control module is used to control the j-th feeding bucket to start feeding before the i-th feeding bucket finishes feeding when the feeding mode of the shredded stems is determined to be a multi-bucket sequential feeding mode, and to control the i-th feeding bucket to stop feeding when the j-th feeding bucket is in the feeding state. Using the above technical solution, through the "start first, stop later" control logic, automatic and seamless switching combined feeding between multiple feeding buckets is achieved according to the feeding ratio of different grades of shredded stems, reducing drastic fluctuations in feeding concentration and liquid temperature during feeding switching, improving the stability of the feeding process, and meeting the process requirements for uniform feeding of shredded stems.

The invention relates to the technical field of food fermentation and dairy product processing, in particular to set yoghurt with reversible thixotropic rheological characteristics and a preparation method of the set yoghurt. The set yogurt with the reversible thixotropic rheological property comprises the following components in parts by mass: 1000 parts of raw milk, 30-50 parts of natural edible medicinal powder, 50-80 parts of white granulated sugar and 1-3 parts of a leavening agent, the natural edible medicine powder is composed of gordon euryale seed superfine powder, lotus seed superfine powder, Chinese yam superfine powder and poria cocos superfine powder. The set yoghurt provided by the invention has thixotropic shear thinning fluid characteristics, is a uniform fluid during pumping and filling, and is in a set gel state after packaging and standing, so that the basic conversion of the set yoghurt from a first-filling and second-fermentation intermittent process to a first-fermentation and second-filling continuous assembly line work is realized. The natural compound prepared from the Chinese yam, the poria cocos, the gordon euryale seeds and the lotus seeds according to a specific proportion has a health-care function and a structure regulation effect, and no additional additive is needed.

The application discloses a mechanical sealing structure with sampling and adding functions and belongs to the mechanical sealing field. The sealing structure can sample and add medicines to the delivered liquid. The sealing structure comprises a first dynamic ring and a second dynamic ring. The opposite sides of the first dynamic ring and the second dynamic ring are respectively provided with spring clamping bases. The spring clamping bases are jointly clamped with first springs. The outer side surfaces of the first dynamic ring are uniformly distributed with limiting bolts. The right side of the second dynamic ring is rotationally abutted with a static ring. The outer side of the static ring is sleeved with a second O-shaped sealing ring. The static ring is installed in a shell. The right side surface of a transmission shaft is inwardly embedded with a cylindrical blind hole. The blind hole is extended to the left and is respectively provided with through holes upwards and downwards. A circular tube is rotationally inserted into the right end of the blind hole and is frictionally matched with the inner surface of the blind hole. The right end of the circular tube is closed. The left side of the right end of the circular tube is connected with a sampling pipe downwards and is connected with an adding pipe upwards. The sealing structure is simple in operation, convenient to use and suitable for the delivery of various liquids.

The utility model discloses a natural quartz sand dehydration screen with shock attenuation support structure, including natural quartz sand dehydration screen, including screening box and the screen cloth of plug -in installation in screening box lower extreme, and the drive mechanism combination for driving are constituted by the feeding hopper of setting at screening box top, the connecting support of symmetrical setting at the both sides of feeding hopper front and back and linear guide rail, and mobile feeding assembly evenly spreads natural quartz sand on the screen cloth, and the front and back both sides of screen mesh right -hand end all are provided with limit component. This natural quartz sand dehydration screen with shock attenuation support structure, when feeding, feeding hopper is above the screen mesh and moves left and right, can evenly add natural quartz sand to the screen mesh and carry out screening, prevent natural quartz sand from accumulating on the screen mesh when feeding, thereby improved the screening efficiency to natural quartz sand, and in combination with the setting of limit component, is convenient for to the screen mesh after use end to carry out dismounting cleaning or replacement.

The invention discloses an aluminum-titanium intermediate alloy wire rod for grain structure regulation and control, the intermediate alloy comprises the following raw materials in percentage: 5.5-6.5 wt.% of titanium, 0.1-0.3 wt.% of boron, 0.1-0.5 wt.% of rare earth element and the balance of aluminum, in the preparation process of the intermediate alloy, the intermediate alloy can be added into molten aluminum in a mode of continuous addition in a furnace or added through a proton diffuser, so that continuous and uniform addition is realized; the method is suitable for modern continuous production, the number of effective nucleation particles in molten aluminum is increased, through online adding of a proton diffuser, particles in intermediate alloy are released in a high-activity state, the grain refinement effect is enhanced, stability is improved, the core surface grain size difference of a casting blank is reduced, and the uniformity and extensibility of the internal structure of the aluminum alloy are improved; and the high-activity particles can preferentially act with electrolyzed or impurities in the molten aluminum to promote the electrolyzed or impurities to gather and float upwards, so that the cleanliness of the molten aluminum is improved, and the defects of electrolyzed or impurities are reduced.

The application belongs to the technical field of waste recycling, and particularly relates to a neodymium iron boron waste recycling pretreatment device, which comprises a supporting bottom plate, two guide rods fixedly connected to the top of the supporting bottom plate, a lifting ring slidably connected between the two guide rods, a charging cylinder placed on the supporting bottom plate, an electric rotating rod, a pushing frame and a rotating frame. The lifting ring is sleeved on the top of the charging cylinder, the electric rotating rod is installed in the middle of the lifting ring, one end of the electric rotating rod is connected with the pushing frame, the bottom of the pushing frame is in contact with the charging cylinder, and the middle of the electric rotating rod is connected with the rotating frame. When the electric rotating rod, the pushing frame and the pressing roller rotate around the center of the charging cylinder, the pressing roller crushes the neodymium iron boron waste in the charging cylinder, the pushing frame pushes the neodymium iron boron waste in the charging cylinder, the waste is prevented from being adhered to the bottom of the charging cylinder, the crushed neodymium iron boron waste and the additive can be uniformly mixed, and the working efficiency and the pretreatment effect are improved.

The utility model relates to the technical field of organic fertilizer production technique discloses a kind of strain adding device for organic fertilizer production, including support frame, and support frame is equipped with mixing barrel, and the bottom of mixing barrel is equipped with discharge pipe, and the top of support frame is equipped with top plate, and top plate is rotatably provided with feeding head;The utility model will be stirred to the biological fertilizer raw material of joining by stirring blade, and feeding head will start to add strain, due to the driving of pivot, pivot will continuously drive distributing disc to rotate, so that the strain conveyed by feeding head can be conveyed into different receiving groove, so that the strain into receiving groove can enter distributing groove, with the rotation of distributing disc, the strain in distributing groove will be discharged into mixing barrel through discharge hole, so as to realize the uniform addition of strain, and the raw materials in mixing barrel are uniformly and rapidly mixed, and the mixing efficiency is improved.

The utility model provides a kind of petroleum calcined coke grading screening device, including screening cylinder, screening cylinder inside is equipped with screening board, stirring assembly, flow guide groove and plug-in assembly, the vibration motor and material outlet are equipped in screening cylinder outer wall, the plug-in assembly includes slot block, the slot block is located in screening cylinder inner wall, and it is elastically connected with screening cylinder inner wall by vibration spring, the screening board is movably connected to the slot block, and one screening board is placed inside screening cylinder by a group of slot block inclination, the material outlet is located above the lower side of screening board. The device makes petroleum calcined coke feeding uniform by stirring assembly, makes screening board disassembly convenient by plug-in assembly, and different particle size petroleum calcined coke can be screened out, simple structure, easy to maintain, high screening efficiency.