44results about How to "Avoid affecting uniformity" patented technology

The invention relates to the technical field of nano ceramic materials, and discloses a high-strength nano aluminum oxide ceramic product and a preparation process thereof.The preparation process comprises the following preparation steps that aluminum oxide powder, a composite binder, composite gel, a plasticizer and a solvent are mixed and subjected to ball milling, and composite slurry is obtained; placing the composite slurry in a mold, and performing mold pressing and drying to obtain a green body; and putting the green body into a high-temperature sintering furnace, carrying out high-temperature sintering, and cooling to room temperature to obtain the nano aluminum oxide ceramic product. Nano zirconium oxide and nano magnesium oxide are formed on the surfaces of the pretreated silicon carbide whiskers, and can form a solid solution with nano aluminum oxide in the sintering process to serve as a bridge of the silicon carbide whiskers and nano aluminum oxide particles, so that the binding force of the silicon carbide whiskers in a nano aluminum oxide ceramic matrix is remarkably enhanced; phosphoric acid and aluminum ammonium sulfate are firmly combined on the surfaces of nanometer aluminum oxide particles through carboxymethyl cellulose, and the situation that phosphoric acid and aluminum ammonium sulfate are not firmly combined with the nanometer aluminum oxide particles is avoided.

The invention relates to the technical field of fertilizer fermentation, and discloses fruit and vegetable waste microbial fertilizer fermentation equipment which comprises a fermentation tank, a feeding pipe and a discharging pipe are arranged at the top and the bottom of the fermentation tank respectively, switch valves are mounted on the feeding pipe and the discharging pipe, and a turning mechanism for turning a microbial fertilizer is arranged in the fermentation tank. According to the fruit and vegetable waste microbial fertilizer fermentation equipment, through the arrangement of the dispersing assembly, fertilizer guided out upwards by the material guiding barrel can be uniformly dispersed to the upper layer, through the arrangement of the circulating assembly, liquid materials on the bottom layer of the fermentation tank can be upwards and circularly sprayed out, and the turning work of one layer of fertilizer and one layer of liquid materials is achieved; the fertilizer overturning balance is enhanced, so that the follow-up fertilizer fermentation effect is improved, and the problem that in the prior art, fermentation equipment generally can only guide out the fertilizer on the bottom layer of the fermentation tank upwards and cannot guide out liquid materials precipitated below independently, and the fertilizer fermentation balance is affected is solved.

The invention relates to the technical field of related papermaking devices, and discloses a papermaking raw material lifting device which comprises a pressing and breaking mechanism, a pushing mechanism, a chopping mechanism and a discharging mechanism which are sequentially connected. A pressing and breaking roller is rotationally connected in the supporting frame above the conveying belt close to the material pushing mechanism, pressing blocks are evenly arranged on the pressing and breaking roller and the conveying belt, the material pushing mechanism comprises a material pushing plate, the chopping mechanism comprises a cutter, the cutter is perpendicular to a chopping belt, the cutter is connected in the chopping belt in an intermittent sliding mode, and the cutter is connected with the material pushing plate in a sliding mode. Compared with the prior art, the wood cutting device has the following advantages and effects that by arranging the pressing and breaking mechanism and the cutting mechanism, wood can be cut into wood chips with proper sizes, the subsequent paper pulp preparation time is shortened, by arranging the pushing mechanism, the quantity of tree trunks entering the cutting mechanism at a time can be controlled, the situation that the cutting result is influenced by large quantity is avoided, and the subsequent discharging uniformity is also prevented from being influenced.

The utility model relates to the technical field of hot melt adhesive processing, in particular to a hot melt adhesive feeding device. In order to solve the problems that according to an existing mechanical pouring feeding mode, the time for hot melt adhesive particles of different batches to enter a smelting furnace is different, the situation of uneven smelting is prone to occurring, and the quality of a smelted hot melt finished product is affected, the following technical scheme is provided that the hot melt adhesive particle feeding device comprises a base, and the top of the base is provided with a smelting furnace; and a control panel is arranged on the smelting furnace, the inlet end of the smelting furnace is connected with a guide cylinder for conveniently guiding hot melt adhesive particles, and supporting legs for supporting the guide cylinder are welded to the wall body of the top of the base. According to the hot melt adhesive particle feeding device, hot melt adhesive particles are heated in the feeding process, so that the situation that the uniformity during smelting is influenced due to different times of entering the base is avoided, the filtering purpose is achieved in the conveying process, and the subsequent finished product quality is improved.

The utility model discloses an LNG (liquefied natural gas) factory defoaming agent filling device, which belongs to the technical field of defoaming agent filling and comprises a base, a solvent tank is fixed on the left side of the upper surface of the base, a metering pump is connected to the right side of the upper surface of the base through bolts, a motor is mounted at the top of the solvent tank through bolts, and a discharge pipe is fixedly arranged below the left side of the solvent tank; the defoaming agent filling device for the LNG factory further comprises a connecting pipe which is fixed between the solvent tank and the metering pump. According to the LNG factory defoaming agent filling device, a defoaming agent can be conveyed into the solvent box through the metering pump and the connecting pipe, quantitative feeding of the defoaming agent can be achieved, meanwhile, the motor drives the first stirring rod to rotate to stir and mix materials in the solvent box, and it can be guaranteed that the defoaming agent is in a dissolved state all the time in cooperation with pressurization of the metering pump; and the defoaming agent can be effectively fed into the amine liquid system, so that the foaming frequency and the foaming degree of the amine liquid system are reduced, and the overall stable operation of an LNG factory is guaranteed.

The utility model discloses a stainless steel plate flatness processing machine tool and belongs to the technical field of plate flattening, the stainless steel plate flatness processing machine tool comprises a bottom plate, a placing plate is fixedly connected to the center of the top surface of the bottom plate, an L-shaped side plate is fixedly connected to one side of the placing plate, a U-shaped hollow supporting frame is fixedly connected to the other side of the placing plate, and sliding grooves are formed in the two sides of the top surface of the supporting frame; a sliding frame and an auxiliary frame are jointly arranged in the two sliding grooves in a sliding mode. According to the stainless steel plate flatness machining tool, the two sliding blocks are driven by the first driving assembly to move synchronously, then the sliding frame, the auxiliary frame and the supporting plate are driven to move synchronously, meanwhile, the second driving assembly is matched to drive the sliding plate to slide on the supporting plate, and then transverse adjustment and movement of the grinding plate are achieved. And the problem that due to the fact that the position between the two grinding discs and the positions on the two sides are subjected to little grinding, the overall grinding uniformity is possibly affected is solved, and the flatness of plate treatment is improved.

The invention provides an annealing device for a cable conductor and an annealing method thereof, and relates to the field of cable conductor annealing. The annealing device for the cable conductor comprises an annealing box body, a circulating fan is fixedly installed on the annealing box body, the annealing device further comprises a supporting unit, a transverse moving unit, a lifting unit, a locking unit and a heating unit, and the heating unit is detachably installed at the top of the annealing box body; the heating unit comprises a detachable plate detachably installed on the top of the annealing box body, an electric heating pipe is arranged on the lower portion of the detachable plate, a soaking piece used for conducting heat and dispersing airflow is arranged at the bottom of the electric heating pipe, and a protective net cover is arranged on the outer side of the soaking piece. By arranging the heating unit and the extending unit, heat can be fully dispersed and conducted while heating is conducted, annular circulating airflow is formed, heating is uniform and sufficient, and the uniformity of heating and annealing of the cable conductor is improved.

This utility model discloses a combined solid waste incineration and waste liquid incineration two-combustion chamber treatment device, including a base and a mixing mechanism. The mixing mechanism is set on the top of the base. The mixing mechanism includes a two-combustion chamber body, a solid waste flue gas inlet pipe, a waste liquid flue gas inlet pipe, a mixing hood, a spiral baffle plate, a fixing plate, an end plate, a rotating shaft A, and an adjusting plate. The two-combustion chamber body is set on the top of the base, and the solid waste flue gas inlet pipe and the waste liquid flue gas inlet pipe are respectively installed on both sides of the base surface. A mixing hood structure is provided on the top of the base. The two flue gases entering the base enter the mixing hood from both sides. During the transportation process inside the mixing hood, the spiral baffle plate is used to fully mix the two flue gases before they are discharged into the two-combustion chamber body for combustion. One set of two-combustion chambers is used to treat the flue gases discharged from two different types of waste, while ensuring uniform mixing of the flue gases, avoiding affecting the combustion quality and uniformity, greatly reducing system costs and reducing equipment space occupation.

The utility model relates to the technical field of waste heat recovery of vacuum coating machines, and discloses waste heat recovery equipment of a vacuum coating machine, the waste heat recovery equipment comprises a bottom plate, the top side of the bottom plate is fixedly connected with a vacuum coating machine body, and the right side wall of the vacuum coating machine body fixedly communicates with two L-shaped copper bent pipes; according to the device, a shifting rod and a flow stopping block are arranged, the water barrel is manually pushed to move leftwards, at the moment, an L-shaped copper bent rod is inserted into an L-shaped copper bent pipe, and sleeving contact is formed between the L-shaped copper bent rod and the L-shaped copper bent pipe; at the moment, waste heat in the vacuum coating machine body can be matched with an L-shaped copper bent pipe and an L-shaped copper bent rod to form heat exchange with clear water in the water bucket, so that the purpose of recycling heat resources is achieved, an output shaft of a motor drives a rotating rod to rotate, the rotating rod drives a shifting rod to rotate, and the shifting rod can stir water when rotating, so that the water can be uniformly heated; and the waste heat recycling rate is increased.

The invention discloses a photoresist coating method for a large-aperture special-shaped monocrystalline silicon diffraction element, which solves the problems of small application range, poor coating quality and easy falling of a photoresist layer in the existing photoresist coating method, and specifically comprises the following steps: step 1, screening surface states; step 2, cleaning the surface of the element; step 3, coating a tackifier; step 4, coating a photoresist; and step 5, quality detection. According to the method, the tackifier is firstly coated before the photoresist is coated, and the action mechanism of the tackifier is mainly to replace a hydrophilic Si-HO group carried by an oxide layer on the surface of the monocrystalline silicon substrate, so that the hydrophilicity of the monocrystalline silicon substrate is changed into hydrophobicity, the adhesive force of the monocrystalline silicon substrate and the photoresist is increased, the degumming phenomenon is avoided, the firmness of the photoresist layer is improved, and the service life of the photoresist layer is prolonged.

The invention relates to the technical field of electric heating belts, and provides a self-limiting temperature heating belt and a preparation process thereof, which solve the problem that the heating belt prepared by the prior art does not have the function of self-limiting temperature and the cost of raw materials is high; the invention comprises a self-limiting temperature heating belt body, the self-limiting temperature heating belt body comprises a metal conductor core, a self-limiting temperature graphene conductive layer, a metal wire mesh shielding layer, an isolation layer, and a sheath layer which are sequentially arranged from the inside to the outside, the self-limiting temperature graphene conductive layer comprises the following raw materials in parts by weight: 5-10 parts by weight of conductive particles, 70-90 parts by weight of polymer-based PTC self-limiting temperature material, 10-20 parts by weight of cationic nanocellulose, and 20-30 parts by weight of solvent; the polymer-based PTC self-limiting temperature material comprises: a skeleton support material and a temperature control material.

The present invention discloses an anti-corrosion treatment equipment for fan processing, and relates to the technical field of anti-corrosion treatment. The present invention comprises a base, wherein a hydraulic cylinder is arranged inside the base, an output end of the hydraulic cylinder is fixedly connected with a placing table, a top of the base is fixedly connected with a supporting plate, an inner side of the supporting plate is fixedly connected with a long rod, an inner side of the supporting plate is rotatably connected with a threaded rod, and an outer side of the supporting plate is fixedly installed with a motor through a mounting plate. The present invention arranges a rotating clamping mechanism so that opening drives a push rod to drive a rotating rod to move, and after the rotating rod moves and drives the clamping plate to clamp the fan pipe tightly, the motor is turned on to drive the threaded rod to rotate, and the threaded rod rotates to drive the sliding seat to move for painting. The rotating rod also drives the rotating rod and the clamped fan pipe to rotate through the cooperation of components such as a transmission belt, a slide cylinder, an active gear, and a driven gear, so that no dead angle is generated when painting, thereby improving the uniformity of painting.

The invention relates to the related technical field of paint spraying equipment, and discloses movable paint spraying equipment based on a regulation and control assembly, which comprises a movable platform, a box body is fixedly arranged on the upper side of the movable platform, a cover plate is arranged on the upper side of the box body, the regulation and control assembly is arranged on the upper side of the cover plate, a spray head is arranged on the regulation and control assembly, and a fixed plate is fixedly arranged on the lower side in the box body. A cylinder is arranged on the upper side of the fixing plate, a mixing cavity is formed in the upper side in the cylinder, and a stirring assembly is arranged in the mixing cavity; a second arc-shaped scraping plate and a first arc-shaped scraping plate alternately make contact with the inner wall of the mixing cavity so that paint adhering to the inner wall of the mixing cavity can be fully removed, the situation that the paint stirring uniformity is affected is avoided, and the situation that a cylinder is corroded and damaged due to the fact that the paint adheres to the inner wall of the mixing cavity for a long time is prevented; and the two first arc-shaped scraping plates and the two second arc-shaped scraping plates alternately move back and forth, so that the paint in the mixing cavity can be stirred, and blending of the paint color is promoted.

The utility model discloses garden landscape paving equipment, which belongs to the technical field of garden construction and comprises a moving component, the moving component comprises a bottom plate, an auxiliary mechanism is arranged below the bottom plate and used for flattening and compacting sandy soil, a scattering pipe is fixedly connected to the bottom of the bottom plate, and a storage hopper is arranged on the bottom plate. A screening box is fixedly connected to the top of the bottom plate, the storage hopper is fixedly connected to the top of the screening box, and a screen is fixedly connected between the inner walls of the screening box. The device has the beneficial effects that the screening box is arranged, large stones and blocks in sandy soil are filtered and screened through a screen in the screening box, and the situation that the work efficiency is affected due to the fact that a scattering pipe is blocked is avoided; a vibration assembly is arranged at the bottom of the screen, the screen is vibrated through the vibration assembly, the screen is prevented from being blocked, and the screening efficiency is improved; and the discharging assembly is arranged in the discharging opening above the scattering pipe, the sandy soil is turned over and stirred through the discharging assembly, and the situation that the scattering pipe is blocked, and the paving uniformity is affected is avoided.

The utility model discloses an asphalt compaction device, and relates to the technical field of asphalt pavement backfill compaction, the asphalt compaction device comprises a compaction frame, and also comprises a power vibration device, the lower end of the power vibration device is provided with a compaction block through a screw; the cleaning and scraping device comprises a cleaning and scraping piece, an electric telescopic rod, a transmission piece and a driving motor, the cleaning and scraping piece is hinged to the upper portion of one side of the transmission piece, the electric telescopic rod is hinged to the bottom of the cleaning and scraping piece and the lower portion of one side of the transmission piece, and the driving motor is installed on the compaction frame through a screw. The output end of the motor is connected with the transmission part; and the power supply device is fixedly arranged at the top of the compaction frame. The device is used for cleaning and scraping the backfill material at the sampling hole adhered to the bottom of the compaction block in the compaction process of the compaction block, so that the backfill material is prevented from being adhered to the bottom of the compaction disc, the subsequent beating compaction uniformity is prevented from being influenced, the compaction disc is prevented from being corroded, and the service life of the compaction disc is prevented from being influenced.

The invention relates to the field of inkjet printing, and discloses a vacuum drying device for inkjet printing substrates and a vacuum drying method; the vacuum drying device for inkjet printing substrates comprises: a frame, a box, a first vacuum pump, a vacuuming pipeline system, a second vacuum pump, a bearing platform, a lifting module, a heating plate and a condensing plate; the box is arranged on the frame, and has a vacuum cavity inside; the first vacuum pump and the vacuuming pipeline system preliminarily evacuate the vacuum cavity; the bearing platform carries materials to be dried, and the lifting module drives the bearing platform to rise and fall; the heating plate is arranged on the bearing platform and is used for heating the materials; the condensing plate is located above the bearing platform and is used for condensing volatilized solvents; the second vacuum pump performs extreme vacuuming on the vacuum cavity to completely remove condensed solvent impurities; the invention optimizes the drying and film-forming process of an OLED substrate by precisely controlling the vacuum environment and flexibly adjusting the distance between the heating plate and the condensing plate, thereby completely removing solvent impurities, and making the film formation more uniform.

The utility model relates to the technical field of powder coating preparation, in particular to a white matte powder coating preparation device which is characterized in that a supporting shaft is arranged in a stirring kettle, a driving motor is arranged above the supporting shaft, a stirring plate is arranged on the side of the supporting shaft, a bottom plate is inserted into a mounting seat, and a scraping plate is arranged at the bottom of the bottom plate; the white matte powder coating preparation device has the beneficial effects that when the white matte powder coating preparation device is used, firstly, raw materials of white matte powder coatings can be poured into the stirring kettle, and then the driving motor can be started to drive the supporting shaft to rotate, so that the raw materials can be stirred and mixed by utilizing the stirring plate arranged on the side surface of the supporting shaft; then the scraping plate arranged at the bottom of the supporting shaft is used for scraping the raw materials at the bottom of the stirring kettle, and the scraping plate is inclined at a certain angle, so that the scraped raw materials can be conveniently fed to the upper part of the stirring kettle, and the stirring plate is used for stirring more conveniently.

The invention relates to stretching detection equipment, belongs to the technical field of thermal insulation board stretching detection equipment, and particularly relates to external wall thermal insulation board stretching detection equipment and a use method thereof.The external wall thermal insulation board stretching detection equipment comprises a bottom plate, supporting legs, an overturning coating assembly, a moving assembly, a base plate, a thermal insulation board body, a transverse plate, a coating auxiliary assembly, a cleaning assembly and a fixed stretching assembly; the device further comprises a uniform coating assembly, and the uniform coating assembly is arranged on the lower surface of the transverse plate. By arranging the uniform coating assembly, automatic coating of the standard block can be achieved, the coating uniformity can be improved in cooperation with the cleaning assembly, the overturning coating assembly and the fixed stretching assembly, and the problem that according to existing manual adhesive coating, it is difficult to control an adhesive to uniformly cover the surface of the standard block, and the coating efficiency is improved is solved. The problems that the standard block and the insulation board cannot be smoothly and fully adhered due to the fact that the standard block and the insulation board cannot be firmly adhered, and the insulation board is easy to fall off from the standard block under the tensile force, so that the tensile detection result of the insulation board is influenced are solved.

The utility model discloses an anti-waste horizontal mixer which comprises a main body, rollers are hinged to two sides of one end of the main body, a jacking structure is arranged on one side of the main body, and a supporting rod is hinged between the jacking structure and the main body. Through the arrangement of the jacking structure, the gear can be driven to rotate by rotating the handle on one side of the gear, then the lead screw can be driven to rotate in the fixed frame, and in the rotating process, the movable frame can be driven to move up and down on the sliding rails on the two sides in the fixed frame along with the sliding blocks; the movable frame can drive one side of the supporting rod to move up and down, and the other side of the supporting rod can support one side of the main body upwards or downwards, so that the main body can be driven to rotate along with the hinged position of the main body and the rolling wheel, and then the main body can be driven to be in an inclined state, and materials can slide downwards and can be discharged from a discharging port in one side of the bottom end of the main body. According to the device, all materials can be conveniently discharged, and the waste phenomenon is prevented.

The utility model belongs to sewage treatment technical field, specifically is a kind of reagent adding mixing device for sewage treatment, including machine body, the top of machine body is fixedly connected with anti-sediment component, the anti-sediment component includes output motor, rotating rod, stirring vane, cleaning plate, filter plate, screw and nut, and the output end of output motor is fixedly connected with rotating rod by coupling;The reagent adding mixing device for sewage treatment cooperates with anti-sediment component, to prevent the effect of reagent deposition, the rotation of rotating rod is driven by starting output motor, to drive the rotation of stirring vane, to facilitate the full mixing of reagent, to make reagent mix evenly as much as possible, the reagent deposited at bottom is cleaned by cleaning plate, under the action of filter plate, when cleaning plate cleans reagent at bottom, reagent accumulation on the outer wall of cleaning plate affects its mixing uniformity.

The invention discloses homogenizing equipment for lubricating oil blending of a mechanical lubricating system, and the homogenizing equipment comprises a base which is used for supporting the homogenizing equipment, and the top of the base is fixedly connected with a filtering assembly; the homogenizing assembly is used for carrying out homogenizing treatment on the lubricating oil, and the homogenizing assembly is communicated with the top of the filtering assembly; wherein the homogenizing assembly comprises a treatment cylinder, the treatment cylinder is communicated with the top of the filtering assembly, and the outer surface of the treatment cylinder is fixedly connected with a feeding pipe. According to the homogenizing equipment for lubricating oil blending of the mechanical lubricating system, the stirring frame is driven by the motor to rotate in the treatment barrel, so that raw materials in the treatment barrel are stirred by the stirring frame, it is ensured that lubricating oil is evenly mixed in the treatment barrel, the space in the treatment barrel is separated by the separation assembly, and the uniformity of the lubricating oil is improved. And the situation that lubricating oil circulates everywhere in the treatment barrel to affect the uniform effect is avoided, and the separation assembly separates the internal space of the treatment barrel and meanwhile achieves the cleaning effect.

The present invention relates to the field of electroplating, and in particular to a metal wire tinning equipment and process, comprising a slot seat and an electroplating tank fixedly mounted on the upper end of the slot seat, a movable seat slidably mounted on the upper end of the electroplating tank, a driving shaft rotatably mounted inside the movable seat, a cam coaxially inlaid on the front end of the driving shaft, a guide seat elastically mounted in front of the movable seat, a top wheel mounted on the upper end of the guide seat, the top wheel fits with the cam, two mesh cylinders are connected to the lower end of the guide seat, the two mesh cylinders are vertically arranged, the mesh cylinders extend into the interior of the electroplating tank, and agitators are installed inside the two mesh cylinders. The present invention improves the quality of the coating and ensures that the activated carbon can fully adsorb and remove organic impurities in the electroplating solution.

The multi-layer composite gluing mechanism comprises a base, the upper end of the base is fixedly connected with two sets of side plates, the two sets of side plates are symmetrically arranged, a conveying roller is rotationally connected between the two sets of side plates, the base is connected with a liquid storage tank through a telescopic mechanism, the upper end of the liquid storage tank is in an open state, and the lower end of the liquid storage tank is in a closed state. The reciprocating lead screw is connected with a first cleaning plate through a connecting mechanism, the inner wall of the first cleaning plate is annular, the inner wall of the first cleaning plate makes contact with the outer wall of the gluing roller, the circle center point of the conveying roller and the circle center point of the gluing roller are located on the same vertical plane, and the lower end face of the liquid storage box is connected with a connecting pipe and communicates with the interior of the liquid storage box. By arranging the reciprocating lead screw, the lead screw sleeve, the first cleaning plate and the like, the first cleaning plate is driven by the reciprocating lead screw to slide in a reciprocating mode, glue attached to the outer wall of the gluing roller can be scraped off, and by arranging the second cleaning plate in a matched mode, the follow-up gluing uniformity can be prevented from being affected, and meanwhile the effect of cleaning the gluing roller is guaranteed.

The utility model relates to the technical field of anticorrosion engineering, and discloses a steel pipe surface paint sprayer for anticorrosion engineering, which comprises a processing table, two groups of electric slide rails arranged on the surface of the processing table, a plurality of groups of connecting plates arranged at the upper ends of the electric slide rails, a paint spraying box fixedly mounted at the upper ends of the connecting plates, and a plurality of groups of sprayers arranged at the lower end of the paint spraying box, a machining structure for preventing uneven paint spraying is arranged on the surface of the machining table, then when paint spraying needs to be conducted on multiple sides of the surface of the steel pipe body, a user can drive multiple sets of connecting plates to move relatively by starting an electric sliding rail, and at the moment, the connecting plates move to drive rotating rods and clamping frames on the side walls of the connecting plates to move; and at the moment, rotating gears on the side walls of the clamping frames rotate on the surfaces of toothed plates, the rotating gears rotate to drive rotating rods to rotate, the rotating rods rotate to drive the clamping frames to conduct overturning work, and therefore synchronous paint spraying work can be conveniently conducted on the multiple side surfaces of the multiple sets of steel pipe bodies, and the practicability of the device is improved.

This invention relates to the field of filament drawing technology for 3D printing, and particularly to a filament drawing device for 3D printing, comprising: two fixed frames, each with a rotating shaft rotatably connected to it, and the two rotating shafts being connected by a transmission belt. This invention uses a receiving groove on an arc-shaped receiving section in the middle of the transmission belt to receive the filament, and during the receiving process, it moves the filament. The rotation of the transmission belt and the straightening roller causes the receiving groove to engage with an annular groove to correct the roundness of the filament. Simultaneously, the filament is always supported by the receiving groove, preventing it from being suspended in the air during movement and thus deforming due to gravity. This improves the roundness and uniformity of the filament, avoiding the filament getting stuck on the print nozzle during 3D printing due to low uniformity, and improving the smoothness of filament use.

The utility model provides a wastewater treatment kettle, which relates to the technical field of wastewater treatment, and comprises a kettle body, a filter box is fixed at the bottom of the kettle body, a cavity is arranged in the filter box, a filter plate is arranged in the cavity, support plates are arranged on two sides of the filter box, a cavity is arranged in the kettle body, and the support plates are arranged in the cavity. A discharge hole is formed in the bottom of the cavity; the stirring mechanism is located in the cavity body, and the stirring mechanism is used for stirring the wastewater in the cavity body; through the arrangement of the scraping mechanism, the surface of the filter screen can be scraped and cleaned, and solid particles and pollutants blocked in meshes can be effectively removed, so that the filtering efficiency is improved, the situation that normal operation of an existing device is influenced is avoided, the wastewater treatment effect can be improved, and the water quality is improved. And the service life of the filter screen can be prolonged, and normal use of the filter screen is guaranteed.

This application relates to a sprayable carrageenan liquid formulation and its preparation method, belonging to the field of pharmaceutical technology. The sprayable carrageenan liquid formulation comprises 0.12%-0.2% by weight of 1-carrageenan, 0.5%-1.5% by weight of carboxymethyl chitosan, 0.5%-2.5% by weight of sodium chloride, a pH adjuster, and water, and can be applied to the nasal cavity or oral cavity in the form of a spray to provide good coverage.

The invention discloses a method for preparing iron phosphate for a battery and application of the iron phosphate, and relates to the technical field of resource recovery and preparation. The method for preparing the iron phosphate for the battery can be used for treating the anhydrous iron phosphate dust collection material which is high in water content and incomplete in crystal transformation, the iron phosphate in the iron phosphate dust collection material is leached out through a phosphoric acid aqueous solution, after Fe < 3 + > is reduced into Fe < 2 + >, porous iron phosphate is synthesized in combination with a surface dispersing agent and segmented oxidation aging treatment, and the iron phosphate for the battery is obtained through roasting. The circulation of the dust collecting material and the recycling of the iron phosphate are realized.

The utility model relates to the technical field of stirring, and discloses metallurgical powder surface modifier coating stirring equipment which comprises a heating sleeve, a material barrel is mounted in the heating sleeve, and a heat preservation cover plate is mounted on the upper side of the material barrel; a central cylinder is installed at the bottom of the inner side of the material barrel in a threaded connection mode, first exhaust holes are evenly formed in the circumferential side of the central cylinder, duckbilled check valves are fixedly installed in the first exhaust holes, a gas conveying pipe is fixedly installed at the center of the bottom of the heating sleeve, the upper end of the gas conveying pipe is assembled with the material barrel in an inserted connection mode, and the lower end of the gas conveying pipe extends out of the heating sleeve; the center cylinder is sleeved with a driving cylinder, second exhaust holes are evenly formed in the circumferential side of the driving cylinder, and stirring blades are evenly and fixedly installed on the circumferential side of the driving cylinder. Inert gas can be introduced during stirring, the stirring and mixing effect can be improved through cooperation of the stirring mode and the ventilation mode, internal air can be exhausted, the uniformity and comprehensiveness of modifier coating are prevented from being affected, and the passivation effect of metallurgical powder is guaranteed.