727results about How to "Avoid clumping" patented technology

The coarse aggregate ultra-high performance concrete premix lifting, transferring and mixing device comprises a control system, an aggregate batching system, an aggregate lifting system, a dry mixing main machine system, a feeding vehicle, a steel fiber feeding system and a stirring system, the whole stirring process is automatically controlled and comprises key steps of automatic metering, automatic raw material feeding, mixing and the like, so that manual operation is remarkably reduced, errors and inconsistency caused by manual metering are avoided, and the accuracy and repeatability of stirring each time are ensured; step-by-step feeding of each part is coordinated through a control system, so that the stirring efficiency and the uniformity of concrete are improved; by establishing a relational expression between a concrete mixture stirring uniformity index and parameters such as the stirring time, the stirring speed, the number of stirring blades, the vibration frequency of the two-stage vibrating screen and the like, key parameters in the stirring process are more accurately controlled, and it is ensured that the stirring uniformity of each batch of concrete reaches a preset standard.

The invention relates to the field of disposable hygienic products, in particular to a paper diaper with a fluffy non-woven fabric core body of a net structure and a preparation process of the paper diaper, and mainly solves the problems that in the prior art, macromolecular water-absorbent resin particles of an online water-absorbent paper core body are difficult to enter fluffy non-woven fabric, and the strength is poor. The paper diaper body comprises a liquid-permeable surface layer, an absorption core layer and a liquid-tight bottom layer which are sequentially stacked from top to bottom; the absorption core layer comprises a first fluffy non-woven fabric, a second fluffy non-woven fabric compounded on the lower surface of the first fluffy non-woven fabric and macromolecular water-absorbent resin particles laid on the upper surface of the first fluffy non-woven fabric; at least two material storage areas are arranged on the first fluffy non-woven fabric side by side in the transverse direction, holes are punched or embossed on the first fluffy non-woven fabric in each material storage area, and the macromolecular water-absorbent resin particles comprise first macromolecular water-absorbent resin particles which are distributed in each material storage area.

The invention belongs to the technical field of microbial organic fertilizers, and provides a microbial organic fertilizer and a preparation method thereof.The preparation method specifically comprises the following steps that modified attapulgite, an adhesive, water and a trace element fertilizer are weighed according to the weight part, and after the modified attapulgite, the adhesive, the water and the trace element fertilizer are evenly mixed, a coating agent is obtained; weighing according to parts by weight, crushing and grinding the organic fertilizer, mixing with the microbial agent, fermenting, and airing; mixing the air-dried fertilizer with an inorganic fertilizer, performing secondary crushing and grinding, and sieving to obtain a mixture; and finally, uniformly mixing the obtained mixture with a coating agent, and drying to obtain the microbial organic fertilizer. The microbial organic fertilizer provided by the invention can effectively prevent the caking problem of the fertilizer, and can also reduce the nutrient loss and reduce the pollution to the environment; meanwhile, the preparation process is simple, low in cost and suitable for large-scale production.

The utility model relates to dehydration and crushing integrated equipment for wet raw materials. Comprising a main rack, a plurality of groups of trundles are mounted at the bottom of the main rack, a spiral dewatering device, a crushing and drying device and a protective cover are mounted on the main rack, and a material opening turning cover is mounted on the protective cover; the spiral dewatering device comprises an inclined shell structure, a main feeding hopper is mounted at a feeding port of the shell structure, and a dewatering discharging hopper is mounted at a discharging port of the shell structure; a spiral conveying assembly is installed in the shell structure, and a screen drum is installed between the shell structure and the spiral conveying assembly. The device further comprises a discharging valve assembly. The crushing and drying device comprises a filtering and discharging structure installed on the main rack, a drying charging barrel structure is installed at an upper end opening of the filtering and discharging structure, and an air inlet pipe is connected to the peripheral wall of the drying charging barrel structure in a communicating mode; and a crushing assembly is arranged in a space formed by the filtering and discharging structure and the drying charging barrel structure, and further comprises a crushing driving assembly. According to the utility model, the dehydration function and the crushing function are integrated, the dehydration operation and the crushing operation can be synchronously carried out, the crushed materials can be dried, the discharging is convenient, the operation is simple, and the production cost and the occupied area of the equipment are reduced.

The invention discloses a high-viscosity stirring reaction kettle, and relates to the technical field of chemical equipment, the high-viscosity stirring reaction kettle comprises a stirring reaction kettle and a lifting assembly, the lifting assembly comprises a bottom plate, the left side of the upper surface of the bottom plate is fixedly connected with a supporting frame, the right side of the supporting frame is fixedly connected with a movable sliding rail, and the right side of the movable sliding rail is slidably connected with a connecting plate through a sliding block; the stirring reaction kettle comprises a first kettle body, the outer side of the first kettle body is fixedly connected with a second kettle body, the outer surface of the second kettle body is fixedly connected with at least one connecting seat, the bottom of the connecting seat is fixedly connected with a spring shock absorber, and the bottom of the spring shock absorber is fixedly connected to the upper surface of the U-shaped frame; a kettle cover is fixedly connected above the first kettle body through bolts, and a stirring assembly is arranged in the first kettle body. The reaction kettle has the advantages that the double-layer structural design can ensure the temperature stability in the reaction process, the stirring assembly can help to uniformly distribute high-viscosity materials, and the phenomenon of local accumulation or caking of the materials in the stirring process is prevented.

The invention discloses an efficient waste activated carbon regeneration reaction furnace, and relates to the technical field of activated carbon regeneration equipment, the efficient waste activated carbon regeneration reaction furnace comprises a furnace body, a furnace door is arranged on one side of the furnace body, a frame body is fixedly connected to the outer surface of the furnace body, and the efficient waste activated carbon regeneration reaction furnace further comprises a rotary regeneration mechanism and a vibration regeneration mechanism. Through the arrangement of the rotary screen, the heating regeneration efficiency of materials is improved, waste particles generated during heating can be separated from regenerated activated carbon through the arrangement of the rotary screen, the quality of the regenerated activated carbon is improved, additional manual removal work is not needed, the cost is reduced, and meanwhile through the up-and-down shifting work of the shifting block, the waste particles can be recycled. And through vertical vibration of the rotary screen and vertical vibration of the rotary screen, broken waste on the upper portion of the material can flow to the lower portion, so that the broken waste makes contact with the rotary screen and penetrates through the rotary screen to be separated from regenerated activated carbon, and the separation effect and uniformity are improved.

The invention discloses a high PV value polytetrafluoroethylene integral sliding bearing and a preparation method thereof, and the high PV value polytetrafluoroethylene integral sliding bearing is prepared by using polytetrafluoroethylene and fusible polytetrafluoroethylene as polymer matrixes, using sizing modified polytetrafluoroethylene fiber as a main reinforcing component, combining with a lubricating filler, and carrying out low temperature mechanical blending, bidirectional pressing and sinter molding processes. According to the invention, the fusible polytetrafluoroethylene is introduced to modify polytetrafluoroethylene, and the creep resistance and wear resistance of the composite material are improved by constructing a polymer alloy; the polytetrafluoroethylene fiber sized and modified by the heat-conducting filler is used as a main reinforcing filler, so that the heat-conducting property and the bearing capacity of the composite material are improved, and the reduction of strength and toughness caused by introduction of a large amount of high-modulus inorganic filler is avoided. The composite bearing has the advantages of high bearing capacity, high heat conductivity, high strength, high flexibility and excellent friction and wear performance, particularly has a relatively high PV value, and can be applied to transmission parts of mechanical devices in many industries such as chemical engineering, automobiles, pharmacy, food and the like.

The invention provides a collagenous fiber material as well as a preparation method and application thereof, relates to the field of organic high-molecular compound processing and also relates to the technical field of medical materials. According to the collagen fiber material and the preparation method thereof, polyhydric alcohol dispersion, saturated sodium chloride solution salting-out, dispersion liquid re-dispersion, self-assembly in a physiological simulation state and mutual compatibility of all the steps are achieved, the salt concentration and the pH value of all the steps are strictly controlled, collagen is prevented from being gathered and clustered due to rapid salting-out, fiber collagen is stably separated out under the condition that a cross-linking agent is not added, and the collagen fiber material has the advantages of being good in stability and good in stability. The obtained collagen has high mechanical strength and enzymolysis resistance, and can be used for medical filling, implantation and the like.

The invention discloses a material mixing method and a material mixing device. The material mixing method comprises the following steps: providing at least two kinds of material powder to be mixed; feeding the material powder into a material mixing device; the material mixing device is vacuumized, so that the material powder falls down and is mixed in a vacuum environment; wherein the material powder is cooled in at least one of the stages. Under the vacuum condition, material powder particles with different particle sizes can fall and be mixed in the material mixing device at the same speed, so that the mixing uniformity is improved, the problem of particle segregation in the falling and mixing process caused by particle size and weight differences among material powder is solved, the stability and uniformity of material mixing are improved, the material mixing time is shortened, and the material mixing efficiency is improved. The material mixing efficiency is improved. The material powder is cooled in at least one stage in the material mixing process, a low-temperature environment can be provided for the material powder, and the phenomenon that powder particles are clustered or fiberized due to the fact that the solid binder generates viscosity at high temperature is avoided, so that the fiber-free material mixing effect is achieved, and the material mixing effect is improved.

The invention discloses a drying device and a drying process for silicon carbide micro powder, and relates to the technical field of silicon carbide processing, the drying device comprises a drying box and further comprises scattering equipment, a discharging hole is formed in the front side of the drying box, a discharging plate is slidably mounted on the front side of the drying box, a first spring is arranged between the discharging plate and the drying box, and a second spring is arranged between the first spring and the scattering equipment; a feeding frame is fixedly mounted at the top of the drying box and communicates with the interior of the drying box, drying equipment fixedly penetrates through the rear side of the drying box, and the scattering equipment comprises a servo motor, a rotating rod, a hollow rod, a scattering rod, an extrusion rod and a cambered surface block; the scattering rod longitudinally moves in a reciprocating mode and rotates to scatter the to-be-dried materials entering the drying box, the phenomenon that the materials are gathered or caked can be avoided through scattering of the materials, it is guaranteed that the particle materials can be evenly heated by the drying equipment, local overheating or insufficient heating is avoided, and therefore the uniformity of the materials during drying is improved.

The invention relates to the technical field of processing machines, in particular to a pet puffed sandwich food processing machine which comprises a drying box, a bulking machine, an auger rod, an extrusion die, a reciprocating screening assembly, an anti-adhesion assembly and a swing discharging assembly, and further comprises a flattening assembly which comprises a sliding frame in sliding connection with the upper surface of the reciprocating screening assembly. Two driving plates are fixedly connected to the upper surface of the sliding frame, the discharging barrel is arranged between the two driving plates, two scraping plates are fixedly connected to the lower surface of the sliding frame, a plurality of air blowing pipes fixedly communicate with the lower surface of the sliding frame, and an air inlet mechanism fixedly communicates with the surface of the sliding frame; according to the present invention, with the arrangement of the swing discharging assembly, the flattening assembly and the reciprocating screening, the discharging uniformity can be improved, the caking problem caused by the stacking of the discharged material is avoided, and the problems that the surface of the existing puffed pet food is wet, and the caking phenomenon is easily caused by the stacking during the discharging are solved.

The invention relates to the technical field of zinc powder manufacturing equipment, and particularly discloses a continuous production inert zinc powder atomization preparation device which comprises an atomization furnace, the bottom of the atomization furnace fixedly communicates with communicating pipes, and the two communicating pipes are connected with a large grading system and a small grading system correspondingly. Wherein one ends, far away from the atomizing furnace, of the large grading system and the small grading system are fixedly communicated with a balance tank. Molten zinc can be preliminarily refined when passing through the flow guide holes under the action of pressure intensity, finally enters the polymerization groove in the polymerization base and is differentiated again through the flow diffusion holes communicated with the polymerization groove, the molten zinc can be differentiated into trickles in a multi-stage mode through the multi-stage differentiation mechanism, the trickles can be more evenly distributed in the atomization chamber, and therefore the atomization effect is improved. By means of the technical scheme, the contact area between atomized gas and the liquid zinc is larger and more uniform, the situation that local liquid zinc is too much or too little is avoided, it is ensured that each part of liquid zinc can be fully and stably atomized, zinc powder with more uniform particle size is produced, and the product quality is improved.

The invention discloses a single-head quick-assembly quick-disassembly screw racking machine which comprises a base piece, a connecting piece is installed on one side of the top end of the base piece in a clamped mode, a driving mechanism is installed on one side of the top end of the connecting piece, a powder feeding and discharging mechanism is installed on one side of the bottom end of the driving mechanism, and the base piece comprises a base face cover and a base sealing plate. By arranging the driving mechanism and the powder feeding and discharging mechanism, powder is conveyed into the three-way view pipe through the chimney and the pipeline connector, a servo motor on the driving mechanism drives a screw rod to stir the powder, gas in the powder is discharged, the discharged gas is reversely discharged from the chimney, and the flowing powder is rapidly filled into a bottle through the screw rod. The phenomenon of powder caking during filling is avoided, a digital position displayer is installed, the accurate positioning gap between a bottle and a powder nozzle is improved, it is guaranteed that filling powder does not overflow, the yield is improved, and meanwhile it is guaranteed that the consistent high-standard machining quality is achieved.

The invention discloses a floating type feeding device for indoor fry breeding, relates to the field of fry feeding, and solves the problem that an existing fry feeding device is prone to causing uneven feeding. The floating type feeding device comprises a mounting support and a floating air cushion mounted at the bottom of the mounting support, and an electric push rod frame is fixedly mounted at the top of the mounting support; a positioning frame is fixedly mounted at the bottom of the moving end of the electric push rod frame, a feeding cylinder is arranged at the bottom of the positioning frame, and two injection hoppers are fixedly mounted at the top of the feeding cylinder; the feeding mechanism is used for enabling the feeding cylinder to uniformly feed materials, and the feeding mechanism is mounted between the feeding cylinder and the positioning frame; by means of the feeding mechanism, the floating air cushion can float on the water surface of the breeding room, the feeding cylinder is aligned with the water surface, the placement convenience of the feeding cylinder is improved, when the electric push rod frame operates, the feeding cylinder can evenly feed fish food into water, and therefore the effect of even feeding is achieved.

The invention provides a numerical control integrated extruder for producing long-acting heat-preservation weather-proof rubber strips for doors and windows, and belongs to the technical field of rubber extruders. Comprising an extruder body, a feed hopper is mounted at a feed port of a charging barrel of the extruder body, and the extruder further comprises a dispersing mechanism. Through the arrangement of the motor, the hollow driving lever and the cooling mechanism, the motor drives the hollow driving lever to rotate to scatter caked granular raw materials in the feeding hopper, so that the granular raw materials enter the machine barrel of the extruder body in a uniform and loose state, the granular raw materials are molten more uniformly, and the melting quality of the granular raw materials is improved. And meanwhile, the cooling mechanism and the hollow shifting rod are matched together, the granular raw materials are cooled when stirred by the hollow shifting rod, the influence of high environment temperature in summer or heat generated by operation of the extruder body on the granular raw materials is reduced, and the quality of the granular raw materials is guaranteed. And the phenomenon that the granular raw materials are further agglomerated due to overheating is prevented.

The invention is suitable for the technical field of boiler water treatment, and provides a boiler water treatment system and a using method, the boiler water treatment system comprises a barrel assembly, and a treatment assembly is fixedly inserted into the outer top of the barrel assembly; the barrel assembly comprises a barrel part, and a filter screen part is arranged in the barrel part in a sliding fit mode. And the treatment assembly comprises a cover body part fixed to the outer top of the barrel body part in an inserted connection mode, a medicine guide part arranged in the barrel body part in a sliding fit mode, a medicine storage part fixed to the cover body part in an inserted connection mode and a rotating part arranged on the cover body part in a rotating fit mode. According to the boiler water treatment device, the technical problems that a chemical agent is added into boiler water through a common chemical agent adding structure, the amount of the chemical agent added at a time is too large, the chemical agent is difficult to fully react with the boiler water, and the later boiler water treatment process is affected to a certain extent are solved. The intermittent dosing process is achieved, and the treatment effect of the whole boiler water to be treated is improved.

The invention belongs to the technical field of ceramic production raw material processing, and particularly relates to an intelligent feeding mechanism of a ball mill for ceramic production processing, the intelligent feeding mechanism comprises a horizontally arranged cylinder, the two ends of the cylinder are connected with a feeding port and a discharging port respectively, and the feeding port and the discharging port are rotationally sleeved with supporting frames; and the bottoms of the two supporting frames are fixedly connected with the same base, a transmission device is installed on the front side of the top of the base, and a feeding assembly is rotationally inserted into the feeding opening. According to the device, the shearing rods are arranged, when materials fall on the shearing rods, the multiple shearing rods can be in the swing state of different amplitudes, and therefore when follow-up materials fall on the swinging shearing rods, the adjacent shearing rods can be matched with one another, and then the bonded materials are sheared and segmented; therefore, the caking phenomenon of the materials can be avoided, and the first grid plate or the second grid plate cannot be blocked by the caked materials.

The present invention provides a vertical cement slurry spraying device and a paver with the device and applications thereof. The vertical cement slurry spraying device mainly includes a cement box. The pipeline in the cement box extends out of the box, circles around the paver and returns to the cement box. The pipeline consists of a pipe and a hose. The hose can be bent according to the spraying position, and the position of the hose on the paver can be adjusted to fit the paver. The vertical cement slurry spraying device can be installed on the paver to spray cement slurry on the roadbed while paving, avoiding cement slurry agglomeration and solidification caused by spraying first and then paving, eliminating the time difference between paving and spraying, and ensuring the adhesion of the base structure. The cement box is provided with a self-circulating pipeline, and a plurality of nozzles in different directions are installed on the self-circulating pipeline. The cement slurry is ejected from the nozzle to form a vortex, which continuously stirs the cement slurry to keep the cement slurry mixed evenly and not sticky and solidified.

The invention belongs to the technical field of micro-nano composite materials, and particularly relates to a chromium-based bimetallic sulfide-porous carbon composite material and a preparation method and application thereof. The preparation method of the chromium-based bimetallic sulfide-porous carbon composite material provided by the invention comprises the following steps: mixing chromium salt and zinc salt, or chromium salt and manganese salt with a sulfur source, sodium gluconate and a pore-forming agent, and preparing the composite material through heat treatment and vulcanization technologies. The chromium-zinc or chromium-manganese bimetallic sulfide-porous carbon composite material prepared by the preparation method has good structural stability and conductivity, and the cycling stability of a battery can be remarkably improved when the chromium-zinc or chromium-manganese bimetallic sulfide-porous carbon composite material is used as a battery material. The prepared chromium-based bimetallic sulfide-porous carbon composite material has important application value in the field of lithium ion battery electrode materials.

The utility model relates to the technical field of mixing equipment, in particular to mixing equipment for industrial enzyme preparation production, which comprises a tank body and a tank cover, one side of the tank body is connected with the tank cover through a bolt, a motor is mounted in the tank cover through a bolt, the output end of the motor is connected with a transmission frame through a coupler, and the transmission frame is connected with a transmission shaft. A screen drum is arranged on the outer side of the transmission frame and in the tank body in a sleeving manner; the industrial enzyme preparation mixing device has the beneficial effects that the motor drives the transmission frame, the screen drum and the stirring plate to rotate, raw materials are mixed into an industrial enzyme preparation through the stirring plate, after the industrial enzyme preparation is mixed, the control valve is opened, the industrial enzyme preparation is filtered through the screen drum, and the industrial enzyme preparation meeting the standard is discharged through the discharging opening; therefore, the industrial enzyme preparation is prevented from caking in the stirring process, the mixing efficiency is improved, and meanwhile, solid particles and impurities in the industrial enzyme preparation can be filtered, so that the purity of enzyme liquid is improved.

The invention relates to the technical field of particle size detection, in particular to an online particle size detector which comprises a base, the screening and arranging mechanism comprises an arc-shaped shell fixedly connected to the upper end face of the base, one end of the arc-shaped shell is provided with a material conveying assembly used for spraying particles to be detected into the arc-shaped shell, and the other end of the arc-shaped shell is sequentially provided with a vacuum dust collector and a laser scattering instrument; two air curtain assemblies used for screening different specifications of particle sizes are symmetrically arranged on the inner arc face of the arc-shaped shell and the material conveying assembly, and fixing plates are arranged on the upper end faces of the opposite faces of the two air curtain assemblies. Through a material conveying assembly and an air curtain assembly in the screening and arranging mechanism, distributed transmission of granularity and screening of granularity of different specifications can be realized, so that the granularity specifications entering the detector are kept basically consistent, detection errors caused by particle mixing and a block mass effect are reduced by accurately controlling airflow and granularity distribution, and the detection accuracy is improved. And the detection result is more reliable.

The utility model relates to the technical field of V-shaped mixing machines, and discloses a V-shaped mixing machine for mixed feed additive production, which comprises a bracket, a main control box is arranged on the left side of the bracket, the bottom end of a main shaft penetrates through the corresponding position of a top plate, the bottom end of the main shaft is connected with a roll-over stand, and rotating shafts are inserted into the lower parts of the inner sides of the roll-over stand; and the V-shaped mixing cylinder is installed at the inner end of a rotating shaft, the rotating shaft is sleeved with a driving bevel gear, and the left end of the connecting shaft and the left end of the rotating shaft are both coaxially connected with belt wheels. According to the V-shaped mixing machine for producing the mixed feed additive, a main shaft is driven by a first motor to rotate, so that a turnover frame can rotate, meanwhile, a driven bevel gear can be driven by a driving bevel gear to rotate, a belt wheel can be driven by a connecting shaft to rotate, the centrifugal force for mixing the feed additive in the V-shaped mixing cylinder is increased, and the mixing efficiency is improved. And the phenomenon of material caking caused by single up-and-down turning is prevented.

The invention discloses a single bacterium transcriptome sequencing method. The method comprises the following steps: firstly, mixing microorganisms and a wrapping material, solidifying to form a jelly-shaped semi-solid, and digesting cell walls by using lysozyme to permeate bacteria; adding a reverse transcription reagent and a random primer, and capturing total RNA in bacteria to synthesize cDNA; dissolving the wrapping material, releasing single bacteria, and packaging the single bacteria and the labeled microbeads into liquid drops by using a microfluidic device; rNA in bacteria is digested through enzyme digestion, so that cDNA is released from the bacteria, the cDNA is collected and purified after demulsification, a sequencing library is constructed through amplification and addition of a sequencing joint, a cDNA product of rRNA is digested, and a cDNA product of mRNA is enriched. And performing high-throughput sequencing on the processed sample, and analyzing transcriptome information of a single microorganism. Microorganisms are wrapped by the reversible solidification porous material, centrifugal cleaning is not needed, and single-bacterium analysis can be carried out on a microorganism sample with a small initial amount.

The invention relates to the technical field of latex powder, and discloses flexible vinyl chloride-vinyl acetate-acrylic waterproof latex powder and a preparation method thereof, and the flexible vinyl chloride-vinyl acetate-acrylic waterproof latex powder is prepared from the following components: a vinyl chloride-vinyl acetate-acrylic emulsion, a polyvinyl alcohol aqueous solution, an organic siloxane dispersion liquid, an organic silicon powder waterproof agent, an anti-caking agent and an inorganic filler. According to the invention, the redispersible latex powder with excellent performance is successfully prepared by carefully selecting and adjusting the type and dosage of the organosiloxane and the type of the anti-caking agent and accurately setting the temperature of the drying tower. When the latex powder is applied to the field of constructional engineering, the waterproof performance and durability of mortar can be remarkably enhanced, and wide application potential is shown.

The invention discloses a processing device and a processing method for recycling a multi-layer heat insulation foaming material, and relates to the technical field of foaming material processing. A control assembly is arranged on the left side of the outer wall of the mixing barrel. A conveying assembly is arranged on the right side of the mixing barrel and communicates with the interior of the mixing barrel. A discharging assembly is arranged on the right side of the device body. A forming frame is arranged on the top of the discharging assembly. A telescopic die is arranged in the die pressing assembly; and an anti-degradation device is arranged in the mixing barrel. Different kinds of raw materials are promoted to be better mixed with one another by means of the stirring plate, a multi-layer structure is formed through alternate foaming by means of the characteristics of the different materials, the problems of foaming ratio and foam hole spacing are solved by taking an unfoamed layer as a support, the compatibility difficulty between different kinds of foaming materials is reduced, and the heat insulation effect and the use strength of a finished product are guaranteed.

The concrete pouring device comprises a stirring tank, a supporting frame, a first stirring assembly and a second stirring assembly, the bottom of the stirring tank is fixed to the supporting frame, a first supporting plate and a second supporting plate are installed on the two sides of the upper end of the stirring tank respectively, and an upper support is connected between the first supporting plate and the second supporting plate in a bridging mode; the upper end part of the upper bracket is provided with a stirring motor, a motor shaft of the stirring motor is connected with one end of a rotating shaft, the other end of the rotating shaft extends into the stirring tank, the first stirring assembly and the second stirring assembly are respectively arranged on the rotating shaft, the gas adding assembly is arranged on the upper bracket, the bottom of the stirring tank is provided with a discharge port, and a discharge pipe is arranged at the discharge port. The concrete stirring device is novel in structural design and convenient to operate, concrete can be uniformly and rapidly stirred, gas in the concrete can be rapidly discharged through the arranged gas adding assembly, the pouring quality of the concrete is improved, and then the construction quality of building engineering is improved.

The arc-shaped glass spraying jig with the adsorption structure comprises a glass spraying box, two electric push rods are fixedly embedded in the left side face of the glass spraying box, and the right ends of the two electric push rods are jointly and fixedly connected with an arc-shaped glass adsorption frame. Two sets of glass suction cups are fixedly connected to the outer surface of the arc-shaped glass adsorption frame, a coating box is fixedly connected to the right side face of the glass spraying box, and a high-pressure spraying pump is fixedly connected to the right side face of the coating box. According to the device, through the arrangement of an electric push rod, an arc-shaped glass adsorption frame, a glass suction cup coating box, a high-pressure spraying pump, a spraying pipe and a spraying nozzle, arc-shaped glass can be subjected to negative pressure adsorption and high-pressure spraying, through the arrangement of a stirring motor, a rotating shaft, a stirring rod and a stirring ball, spraying paint in the coating box can be mixed and stirred, and the spraying efficiency is improved. And the uniformity of the spraying material is effectively improved, the caking phenomenon is avoided, and the arc-shaped glass can be effectively sprayed.

The invention provides diatomite ceramic with crack resistance and high density and a preparation method thereof. The diatomite ceramic comprises a blank body and a glaze layer, the blank body comprises the following raw materials: diatomite, modified diatomite, kaolin, quartz, feldspar, a fluxing agent, a first binder and a reinforcing agent; the glaze layer is prepared from the following raw materials: modified diatomite, mica powder, talcum powder, feldspar, zinc oxide, a second binder, a stabilizer, a dispersing agent and a wear-resistant additive. The firing time of the green body is 10-12 hours, the green body is fired and molded in a stepped and segmented mode, after glazing, the green body is fired for 5-7 hours, the green body is subjected to glaze firing in a stepped and segmented mode, and the anti-cracking and high-density diatomite ceramic is obtained. According to the invention, the diatomite is used as a main raw material of the green body, the modified diatomite and the compounded additive are utilized to reduce deformation and cracking of the green body in the firing process, increase the strength of the green body and improve the firing rate, and the components of the glaze layer are improved to make the green body and the glaze layer have good compactness, crack resistance and deformation resistance.

The invention provides a door and window frame joint mixture stirring type preparation device and a joint mixture preparation method.The door and window frame joint mixture stirring type preparation device comprises two stirring and dispersing devices, each stirring and dispersing device comprises a stirring barrel, a driving mechanism, an inner stirring rod and an outer stirring rod, scrapers are arranged on the two sides and the bottom side of each outer stirring rod, and the scrapers make contact with the inner walls of the stirring barrels; the rotating directions of the inner stirring rod and the outer stirring rod are opposite, a heating plate is arranged at the bottom of the stirring barrel, a discharging pipe is further arranged on the lower portion of the side face of the stirring barrel, the discharging end of the discharging pipe is connected with a hydraulic filling machine, and the discharging ends of the two hydraulic filling machines are connected with a stirring machine and controlled by a controller. According to the intelligent automatic stirring type preparation device for the door and window frame joint mixture, traditional reaction kettle processing is replaced, the processing efficiency is high, the dispersion effect of the mixture is improved, uniform stirring is ensured, the prepared joint mixture is high in strength and good in heat preservation effect, the sagging phenomenon is not prone to occurring during construction, and the service life of the joint mixture is prolonged. Good fixation with the door and window frame is ensured, and moisture permeation is effectively prevented.

The utility model relates to the technical field of distributor impurity removal, in particular to an aluminum electrolysis dedusting distributor impurity removal filter device which comprises a distributor, a case and a first transmission rod. The material distributor is arranged on the upper portion of the machine frame, and the machine box is arranged on the lower portion of the material distributor. The first transmission rod is fixedly connected to one side of the case through a coupling; the material distributor further comprises a transmission belt, a material collecting box and a purifying box. The first transmission rod is sleeved with the transmission belt, and the first transmission rod is in transmission connection with the transmission belt. The material collecting box is installed on the lower portion of the material distributing machine, a material distributing cavity for materials to pass through is formed in the inner side of the material distributing machine, and the material collecting box is used for collecting aluminum oxide subjected to dust and impurity removal; the purifying box is installed on the other side of the machine box and used for sucking dust and impurities in the material distributing machine. According to the technical scheme, caked aluminum oxide can be scattered and raised, sand and impurities are collected in the aluminum oxide raising process, and the sand and the impurities are prevented from being sucked into the mouth and the nose.