57results about How to "Strong shear force" patented technology

The invention discloses energy-saving high-pressure cleaning equipment for square and rectangular pipes, and relates to the technical field of high-pressure cleaning, the energy-saving high-pressure cleaning equipment comprises a main body frame, a cleaning module is mounted above the main body frame, a rotational flow collaborative cleaning mechanism is arranged in the cleaning module, and the rotational flow collaborative cleaning mechanism is used for changing a water flow mode to ensure internal and external water flow collaborative high-pressure cleaning; the introduced air conveying bin only surrounds the outmost periphery of the nozzle, air flow flows along spiral water flow on the outmost periphery of the nozzle after being discharged in a vertical flowing mode, through the design, the peripheral water flow obtains additional momentum under the action of wind power, and then the momentum is transmitted to the internal water flow through collision among fluid molecules; according to the process, redistribution of energy is achieved, energy of internal water flow is supplemented, and water flow impact force borne by the peripheral square and rectangular pipes and the internal square and rectangular pipes is more balanced through the effect of wind power on the peripheral water flow and transmission of the energy to the internal water flow.

The invention discloses a CFD (computational fluid dynamics) simulation-based magnetofluid jet shear polishing device and method. The device comprises an industrial five-axis machine tool, a fluid circulation system, a jet polishing module and a CNC (computer numerical control) system. The jet flow polishing module and the machined workpiece 8 are installed on a workbench and a tool installation base of the industrial five-axis machine tool respectively, and five-axis polishing machining can be achieved under the control of a CNC numerical control system. The jet flow polishing module comprises a jet flow tool head and a rotating magnetic field generating device. The rotating magnetic field is applied to the jet flow outlet of the jet flow tool head, ferroferric oxide particles in the polishing solution are driven to be arranged in the magnetic line direction to form a chain structure, the viscosity of the polishing solution is remarkably improved, and the polishing solution is endowed with the high-speed self-rotating motion characteristic. High-speed rotation and enhanced viscosity of the liquid column generate stronger shearing force, so that efficient material removal on the surface of a workpiece is realized.

The invention discloses a circumferential air inlet gas spiral-flow type atomizing nozzle, and aims to solve the problems of disordered air flow distribution and unbalanced pressure in a gas storage cavity of an existing atomizing nozzle so as to improve the atomizing efficiency and the powder quality. Comprising an upper cover, an air inlet disc and a base, the upper cover and the air inlet disc are matched to form an air inlet cavity for circumferential air inlet and a circular seam outlet, an air inlet channel is arranged in the circumferential direction of the air inlet cavity, and three guide blades are arranged at the lower end of the upper cover at equal angles and used for guiding the airflow direction; in addition, a metal liquid flow channel is formed in the center of the upper cover, and a base groove is used for containing an air inlet pipe and fixing a nozzle. By arranging the circumferential air inlet channel and the guide vanes, gas flows in a vortex shape, the mixing efficiency is improved, vortexes and dead zones are reduced, pressure balance in the cavity is achieved, rotating airflow with high impact force is formed, and the atomization effect is optimized; by improving the structural design of the atomizing nozzle, the particle size uniformity and sphericity degree of atomized powder are remarkably improved, satellite powder is reduced, and the powder yield and the powder quality are improved.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a bioreactor for wastewater treatment of an electronic factory, which comprises an activated sludge tank and a control box arranged on the outer side wall of the activated sludge tank, and further comprises a bottom plate and an inner bottom mounted on the activated sludge tank, and a top plate is mounted at a position above the bottom plate in the activated sludge tank. Through the design of the rotary tubular membrane assembly, the device can prevent activated sludge and impurities from being attached, reduce membrane pollution, reduce the cleaning frequency of the membrane assembly, improve the wastewater treatment efficiency and prolong the service life of the membrane assembly, and can automatically clean the attached sludge based on the water inlet pressure of the tubular membrane assembly. The device can automatically remind personnel when the membrane module is damaged, can predict the service life of the membrane module and timely remind the personnel to replace the membrane module, and has a good wastewater treatment effect.

The invention provides a chip packaging device and a packaging method thereof, belongs to the technical field of chip packaging, and mainly aims at solving the problem that an existing packaging device is poor in gluing effect, the chip packaging device comprises a base and a mounting table, two sets of glue storage assemblies are arranged at one end of the mounting table, and a relay tank is arranged at the bottom of one set of glue storage tanks; a bubble removing assembly is arranged in the relay tank, bubbles in glue can be removed through the bubble removing assembly, the bonding effect of the glue is improved, a grid laser transmitter is arranged at the bottom of the mounting plate and can conduct grid laser irradiation on a chip substrate, a camera is arranged on one side of the grid laser transmitter, and the camera is arranged on the other side of the grid laser transmitter. Wherein a control module and a visual identification module are arranged on one side of one group of glue storage assembly, through the arrangement of the camera and the visual identification module, the control module can control the glue dispensing assembly to perform glue dispensing on grids at the edge of a chip substrate, glue is flattened through the glue smearing mechanical arm, and the glue smearing effect is improved.

The invention relates to the technical field of water purification equipment, and discloses efficient integrated water purification equipment which comprises a reaction cylinder, resistance assemblies are arranged on the upper side and in the reaction cylinder, a plurality of chemical spraying assemblies are arranged on the lower sides of the resistance assemblies, and a water inlet pipe is fixedly arranged at the upper end of one side of the reaction cylinder; a collecting barrel is fixedly installed at the lower end of the reaction barrel, a butt joint pipe is fixedly connected to one side of the reaction barrel and one side of the collecting barrel, a water drainage pipe is fixedly arranged on the other side of the collecting barrel close to the lower portion, electric valves are fixedly installed on the butt joint pipe and the water drainage pipe, and a wadding discharging pipe is fixedly arranged on the rear side of the reaction barrel. And an automatic sludge discharging device is fixedly arranged on the floc discharging pipe. According to the efficient integrated water purification equipment disclosed by the invention, through overall cooperative use, the sleeve rotates reversely, a flocculating agent and suspended particles are collided and mixed to form flocculate, and rotating water flow is quickly stopped in cooperation with stirring blades.

The invention relates to the field of expansion screws, and discloses a novel heat preservation nail and an installation technology of the novel heat preservation nail on an outer wall heat preservation plate. The novel heat preservation nail comprises a heat preservation nail barrel, an expansion head is integrally arranged at the right end of the heat preservation nail barrel and composed of four expansion blades, the four expansion blades define a barrel shape, and the interior of the right end of the expansion head is conical; the inner wall of the right end of each expansion blade is provided with a reinforcing rib, the reinforcing ribs and the axis of the heat preservation nail barrel are coplanar, the inner walls of the four expansion blades are obliquely close to the right end, the outer walls of the expansion blades are fixedly connected with a plurality of barbs, the barbs are distributed at equal intervals in the left-right direction, and the outer wall of the heat preservation nail barrel is provided with a plurality of square grouting openings. The outer wall of the left end of the heat preservation nail barrel is fixedly connected with a tail plate, a plurality of staggered wire grooves are formed in the left side wall of the tail plate, and the wire grooves pass through the edge of a center hole in the left end of the heat preservation nail barrel. Through the design of the expansion blades and the barbs, the thermal insulation board can be firmly clamped into a wall body, strong tension and shearing force are provided, and it is ensured that the thermal insulation board is not prone to falling off.

The invention relates to a high-Fe-tolerance aluminum alloy for extrusion casting and a preparation method of the high-Fe-tolerance aluminum alloy, belongs to the technical field of aluminum alloy pressure casting, and solves the problems of low Fe content tolerance in aluminum alloy production, low use proportion of recycled aluminum, low toughness of aluminum alloy products, complex heat treatment process and long period in the prior art. The invention discloses a high-Fe-tolerance aluminum alloy for squeeze casting. The high-Fe-tolerance aluminum alloy comprises the following components in percentage by mass: 2-4% of Si, 1-2% of Mg, 0.5-1.0% of Fe, 0.01-1.5% of microalloy elements and the balance of Al, the microalloy element is one or a mixture of more of Sr, Cr, Mn and Zr. And green low-energy-consumption casting of the high-toughness aluminum alloy is achieved.

The present invention is applicable to the technical field of sewage treatment, and provides a kind of urban sewage filtering and purification equipment, including an equipment seat, a left bracket, a right bracket, a collecting tank, a left connecting frame and a right connecting frame, and also including: a filtering and purification component, a drain pipe, a water inlet pipe, a rotary control mechanism and a rotating mechanism, and the filtering and purification component includes a first filter cartridge, a second filter cartridge, a first purification cartridge and a second purification cartridge. In a kind of urban sewage filtering and purification equipment in the present invention, the rotary control mechanism cooperates with the rotating mechanism, which can not only drive the first filter cartridge, the second filter cartridge, the first purification cartridge and the second purification cartridge to rotate synchronously and in the same direction, but also drive the first filter cartridge and the first purification cartridge to rotate counterclockwise, and drive the second filter cartridge and the second purification cartridge to rotate clockwise, so that not only the filtration and purification of sewage can be completed, but also the sediment attached to the surface of the filtering and purification component can be reduced, the distribution of water flow between the cylinders is optimized, and it is conducive to the sedimentation and separation of particulate matter.

The invention relates to a method for constructing a directional heat transfer path by utilizing graphene slurry laminar flow shearing and energy storage application. By utilizing the laminar flow principle of liquid in a pipeline and utilizing the flow velocity difference of the liquid close to the inner wall of the pipeline and the middle part of the pipeline, a shearing force with zero graphene deflection is generated, so that a high-orientation graphene skeleton is prepared, and then the graphene skeleton with high thermal conductivity is obtained through high-temperature graphitization treatment. And filling the phase change energy storage material by using an RTM-like vacuum negative pressure filling method to obtain the graphene phase change energy storage composite material with high thermal conductivity. The high-orientation and high-heat-conductivity graphene phase change energy storage material has the heat conductivity up to 158 W / (m.K) and the phase change enthalpy value up to 320 kJ / L, and the heat conductivity and the phase change enthalpy value can be adjusted according to different requirements. Therefore, the novel graphene phase change energy storage material has a great application prospect.

The invention discloses intelligent concrete production equipment, and relates to the technical field of concrete stirring equipment.The intelligent concrete production equipment comprises an outer shell, a protective shell is installed on the side surface of the outer shell, an inner rotation temperature control adjusting shell is installed in the outer shell, and under cooperation of a control driving assembly, uniform heating or cooling of a concrete mixture is promoted; the ideal processing temperature is kept, the concrete quality is ensured, the effectiveness of the stirring blade assembly, the transmission inner stirring assembly and the control driving assembly in the whole concrete operation production process is further enhanced under the cooperation of the dynamic detection assembly, the concrete mixing uniformity and compactness are ensured, and the production efficiency is improved. Meanwhile, under the cooperation of the transmission inner stirring assembly and the stirring blade assembly, the quality stability and consistency of concrete products are guaranteed, stirring dead angles are effectively reduced, the mixing uniformity is improved, it is ensured that all materials are included in the stirring process, waste is reduced, and the stirring efficiency is improved.

The utility model discloses a precise lubricating oil blending and weighing device, which comprises a mixing mechanism and a weighing mechanism arranged above the mixing mechanism, an angle adjusting mechanism is connected below the mixing mechanism, the mixing mechanism comprises a mixing barrel, the weighing mechanism comprises a weighing cylinder, a weighing disc is rotatably connected above the inside of the weighing cylinder, and the angle adjusting mechanism is connected with the weighing disc. A weighing sensor is arranged on the lower portion in the weighing disc, one side of the weighing cylinder is rotationally connected with a first electric push rod, and a telescopic rod of the first electric push rod extends into the weighing cylinder and is rotationally connected with one side of the weighing disc. The device has the advantage of quantitative weighing, and solves the problems that part of blending and weighing devices are inconvenient to quantitatively weigh, lubricating oil is inconvenient to quantitatively add, the component proportion of each batch of lubricating oil is different due to inaccurate quantification, the performance stability and consistency of a final product are influenced, and the high-standard quality requirement is difficult to meet.

The invention relates to the technical field of drilling equipment, in particular to a drilling mud reverse circulation flushing device which comprises a drilling cutting separating device, the drilling cutting separating device comprises an outer shell, and the interior of the outer shell is divided into a separating area and a discharging area through a partition plate; a liquid outlet is formed in the position, located in the separation area, of the outer side wall of the outer shell, a drilling cutting separation assembly is arranged in the separation area, and the drilling cutting separation assembly comprises an inner intercepting net. According to the device, the feeding pipe, the inner intercepting net and the outer intercepting net are arranged in a matched mode, the first motor is started, the inner intercepting net and the outer intercepting net rotate in the opposite directions, stronger shearing force is formed in the outer shell, the blocking risk of the filter net is reduced, and the separation efficiency of drilling cuttings is improved. The separating hopper is arranged at the bottom of the drilling cutting separating assembly, the blocking mechanism is arranged in the separating hopper, and the conveying mechanism is arranged below the separating hopper, so that the drilling cutting can be automatically conveyed to the outside through the conveying mechanism, and the labor intensity of workers is relieved.

This invention relates to the field of wastewater treatment, specifically a wastewater treatment device, including an electrolytic cell with an electrolysis assembly installed on it; it also includes a centrifugal sedimentation mechanism and a reciprocating stirring mechanism, which cooperate with each other; the centrifugal sedimentation mechanism includes a centrifuge cylinder with a turbine installed on it, and a rotation drive assembly installed on the bottom outer wall of the electrolytic cell; the reciprocating stirring mechanism includes a connecting frame with several rotating tubes connected to it, the bottom of which is connected to a stirring rod via a mounting base; a drive gear placed on the rotating tubes; and a rack and pinion reciprocating frame meshing with the drive gear. This invention utilizes the centrifugal sedimentation mechanism and the reciprocating stirring mechanism to achieve rapid sedimentation of impurities in wastewater, and the precipitated wastewater solution is discharged into the electrolytic cell through the top opening of the centrifuge cylinder for electrolytic sedimentation, thus facilitating rapid sedimentation of wastewater.

The application provides a solid waste lithium extraction residue leaching equipment and a comprehensive recovery process thereof, and relates to the technical field of solid waste treatment. The equipment comprises a base, a leaching tank and a leaching mechanism. The leaching tank is located inside the base, a top cover is installed on the top of the leaching tank, a mounting frame and a side frame are installed on the top surface of the top cover through bolts, a motor is installed on the top of the mounting frame, and a driving rod is connected to the output end key groove of the motor. A connecting seat is fixedly arranged at the bottom of the top cover and inside the leaching tank, and a hollow pipe is rotatably connected to the connecting seat. When the mixing rod is reversely and rapidly stirred, the side rod will simultaneously revolve and rotate, strong shearing force and turbulent flow effect are generated, the reaction rate in the initial stage of leaching is significantly improved, and the overall leaching period is shortened. When the mixing rod rotates forward, the side rod will automatically stop revolving and rotating, only the mixing rod rotates, the residue material that has not completely reacted can still contact with the liquid phase, and the residual target component is maximally recovered.

The invention belongs to the technical field of emulsifying equipment, and particularly relates to vacuum emulsifying equipment for paste preparation. The central pipe is arranged at the central position in the container; the second ultrasonic ends are symmetrically arranged on the outer wall of the central pipe at equal intervals; the first ultrasonic generator is installed in front of the top of the container, the second ultrasonic generator is located behind the top of the container, the first ultrasonic generator and the second ultrasonic generator are connected, and the height and the orientation of the second ultrasonic end are adjusted through an adjusting assembly. The height and orientation of the side pipe are adjusted through the adjusting assembly, the height and orientation of the center pipe are adjusted through the movable assembly, the first ultrasonic end and the second ultrasonic end complete height and orientation changes, the emulsification uniformity effect is improved, and due to the fact that the first ultrasonic end and the second ultrasonic end are different in power, the vibration frequencies of the first ultrasonic end and the second ultrasonic end are different, and the emulsification uniformity is improved. And the first ultrasonic end and the second ultrasonic end are staggered, so that heat generated by ultrasonic waves is easier to diffuse.

The utility model relates to food additive preparation technical field discloses a kind of glue packing alcohol preservative processing stirring device, including stirring bin, the outside fixed connection of stirring bin has support frame, the top sliding connection of stirring bin has lid, the outside fixed connection of lid has motor one, the drive end of motor one is provided with stirring mechanism, the stirring mechanism includes transmission column, the outside fixed connection of transmission column has sliding column, the outside fixed connection of lid has limit ring, the inside of limit ring is equipped with arc slot, the bottom fixed connection of transmission column has stirring rod, the outside of stirring rod is provided with cleaning component for cleaning. In the utility model, through eccentric motion and multiple cleaning structure, the double advantages of efficient mixing and comprehensive cleaning are realized, stronger shear force and convection effect are generated, the mixing uniformity of colloidal alcohol and preservative is improved, and reliable guarantee is provided for preservative production.

The invention discloses light energy-absorbing paste filling material hollow microsphere uniform dispersion equipment which comprises a material barrel, a stirring shaft is rotatably connected to the interior of the material barrel, a first stirring rod is fixedly connected to the exterior of the stirring shaft, and a second stirring rod is rotatably connected to the end, away from the stirring shaft, of the first stirring rod. A third stirring rod is rotationally connected to one end, away from the first stirring rod, of the second stirring rod. According to the light energy-absorbing paste filling material hollow microsphere uniform dispersion equipment, on the basis of rotary stirring, dynamic and multi-angle material turning is achieved through downward bending of a second stirring rod and a third stirring rod, the material can be closer to the bottom and the side wall of a material barrel, more space is covered, and the stirring efficiency is improved. And scraping and pushing actions at different angles can be formed between the second stirring rod and the third stirring rod, the shearing force on the materials is stronger, the downward bending movement can turn over the materials at the bottom of the material barrel upwards, meanwhile, the upper-layer materials are pressed downwards, up-down convection is formed, material layering is avoided, and the turning effect and the stirring uniformity are improved.

The utility model relates to the technical field of bait processing and storing, and discloses a bait processing and storing device which comprises a smashing device and a material storing device, a conveying assembly is arranged between the smashing device and the material storing device, the smashing device comprises an installation frame, a smashing barrel, a smashing assembly and a screening assembly, the smashing barrel is arranged at the upper end of the installation frame and provided with a filter screen, and the screening assembly is arranged on the installation frame. The screening assembly comprises a rotating shaft, a power part and a plurality of mounting frames, the rotating shaft is arranged in the crushing barrel, the power part is arranged on the outer wall of the crushing barrel, the mounting frames are uniformly arranged on the outer wall of the rotating shaft, each mounting frame is provided with a plurality of screening steel sheets, the gap between every two screening steel sheets is equal to the maximum aperture of the filter screen, and each screening steel sheet is provided with a semicircular groove; a brush is arranged at one end of the mounting frame; bait particles which do not reach the standard are screened out through the screening steel sheet and are thrown to the smashing area again under the action of centrifugal force to be smashed, the closed-loop process of smashing, screening and re-smashing is formed, the smashing uniformity is remarkably improved, and the smashing effect of bait is improved.

The utility model discloses a kneading device for producing calcium stearate, which comprises a shell, a feeding hopper is mounted on the shell in a penetrating manner, a first kneading rod and a second kneading rod which rotate relatively are arranged in the shell, the inner side walls of two ends of the shell are fixedly connected with supporting plates, the two supporting plates are jointly connected with a storage box in a sliding manner, and the storage box is connected with a material outlet of the shell in a sliding manner. And a filtering frame is connected to the storage box, and a closing door is installed on the front side wall of the shell. The kneading device is reasonable in structural design, materials for producing calcium stearate are kneaded through shearing force formed by rotation of the first kneading rod and the second kneading rod, the kneaded materials fall on the screening net to be screened, and under the gravity action of the materials and the elastic force action of the spring, the materials are kneaded into a whole. The filtering frame can move up and down in a reciprocating mode to enable materials on the screening net to shake, the blocking phenomenon of the screening net is reduced, fully-kneaded materials and infully-kneaded materials can be collected respectively, and the product quality is guaranteed.

The invention relates to the technical field of liquid culture medium mixing equipment, and discloses liquid culture medium production mixing equipment which comprises a tank body, a magnetic rotating assembly is arranged in the tank body and comprises a driven rotating plate arranged in the middle of an inner cavity of a base, and two stirring magnetic rotors are mounted on the magnetic rotating assembly; and the two stirring magnetic rotors are obliquely arranged. A magnetic rotating assembly and two stirring magnetic rotors are arranged in a tank body, the magnetic rotating assembly and the stirring magnetic rotors are driven to rotate through the magnetic coupling effect, the two stirring magnetic rotors are driven by the magnetic rotating assembly to rotate slowly around the axis of the tank body, and therefore the positions of the two stirring magnetic rotors in the tank body are changed in real time; the stirring magnetic rotor is matched with high-speed rotation for stirring, so that when a large tank body is used for mixing a large amount of liquid culture media, the condition of stirring dead angles or unsmooth liquid flowing is effectively avoided, and the mixing efficiency and quality during production of the liquid culture media are improved.

The utility model relates to the technical field of powder feeding, and discloses a feeding machine which comprises a feeding barrel and a stirring part, the feeding barrel is provided with a containing cavity, the upper end and the lower end of the feeding barrel are provided with a first feeding port and a first discharging port respectively in the vertical direction, the first feeding port and the first discharging port both communicate with the containing cavity, and the stirring part is arranged in the containing cavity; in the vertical direction, the stirring part is closer to the first discharging opening compared with the first feeding opening, the stirring part comprises a stirring rod and a blade set, the blade set comprises at least one blade, the blade is arranged on the stirring rod and extends in the radial direction of the stirring rod, and the size of the blade is adjustable in the radial direction of the stirring rod. The technical problem that blades of a stirring part are too large and are prone to collide with a barrel body in the installation process, and consequently the barrel body and the blades are prone to damage is solved.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

The utility model relates to the technical field of sand washing devices, and discloses an efficient sand washing device which comprises a cleaning box, a water spraying head is arranged at the top of the cleaning box, an impeller is arranged in the cleaning box, one end of the impeller is fixedly connected with a first motor, and supporting legs are fixedly connected to the bottom of the cleaning box. A water tank is arranged at the bottom of the cleaning box, one end of the water tank is fixedly connected with a second conveying pipe, one end of the second conveying pipe is fixedly connected with the cleaning box, a stirring mechanism is arranged at the top of the water tank, the stirring mechanism comprises a second motor, and sewage and a flocculating agent are evenly mixed through rotation of a clamping plate rod. The stirring rod is provided with the strip-shaped hole, so that the resistance borne by the stirring rod in the rotating process can be reduced, meanwhile, sewage penetrates through the strip-shaped hole, so that surrounding sewage can be subjected to stronger shearing force and impact force, a flocculating agent can be fully mixed and reacted with the sewage, and impurities can be precipitated.

This invention discloses a fuel atomization system suitable for the combustion chamber of a regenerative micro gas turbine, comprising: a T-shaped evaporator, a swirling oil-gas duct, a coaxial atomizing nozzle, an air intake pipe, and a fuel line protection sleeve; the T-shaped evaporator, the swirling oil-gas duct, and the coaxial atomizing nozzle are arranged coaxially, the air intake pipe is eccentrically connected to the side wall of the coaxial atomizing nozzle and can introduce high-pressure gas from the section before the regenerator after the compressor, the initially atomized mixed oil and gas enters the swirling oil-gas duct for further atomization and then evaporates and is ejected through the T-shaped evaporator, the fuel line protection sleeve is coaxially arranged on the outside of the swirling oil-gas duct and the coaxial atomizing nozzle and can avoid the direct impact of high-temperature backflow gas on the coaxial atomizing nozzle. This invention can significantly optimize fuel atomization quality, shorten the combustion chamber length, improve combustion efficiency, and improve the uniformity of combustion chamber outlet temperature distribution by adding a coaxial atomizing nozzle and an air intake pipe upstream of the traditional evaporator.

The utility model relates to the technical field of shearing, and the utility model provides a hydraulic plate shearing machine for ship plate cutting, it includes work table, the bottom fixed connection of work table has foot pad, the side of work table is provided with control panel, the inside of work table is provided with hydraulic shearing device. The utility model further provides a hydraulic plate shearing machine for ship plate cutting, the side of including tool rest is provided with plate fixed device, the plate fixed device includes push plate, the side fixed connection of push plate is in the side of tool rest, the side of push plate penetrates and is connected with the limit post of sliding, the limit post circumference surface sliding is connected with fixed plate, the side fixed connection of fixed plate has spring, the side fixed connection of spring away from fixed plate one end with push plate. Through the above technical scheme, the technical problem that a kind of hydraulic plate shearing machine for ship plate cutting is accurately and efficiently sheared to plate in related art / prior art is solved.

The invention relates to the technical field of electrolytic aluminum oxide production, and specifically to a defoamer preparation process and preparation equipment for electrolytic aluminum oxide, comprising the following steps: step one, preparing raw materials for the defoamer for electrolytic aluminum oxide, wherein the raw materials include, by weight, 4 parts of polyoxyethylene-polyoxypropylene copolymer, 3 parts of polydimethylsiloxane and its derivatives, 1 part of modified mineral oil, and 1 part of surfactant, and the beneficial effects are: by improving the raw materials and proportions of the defoamer, using surfactants and modified mineral oil instead of ethyl cellulose as raw material additives, improving the dispersibility and wettability of the defoamer in the defoaming system, and at the same time, it may play the effect of regulating the interaction between the defoamer and the electrolyte, and can also improve the compatibility and stability of the defoamer, and enhance the defoaming effect of the defoamer in the process of electrolytic aluminum oxide, so as to achieve the purpose of reducing production costs and improving production efficiency by improving the proportion of defoamer raw materials and improving preparation equipment.

The utility model belongs to the technical field of epoxy resin paint production, and particularly relates to a raw material mixing machine for epoxy resin paint, which comprises a mixing device and a mixing barrel, a driving end of a vertical control mechanism is connected with a mounting plate and can drive the mounting plate to vertically move, and one end, deviating from the vertical control mechanism, of the mounting plate extends into the upper part of the mixing barrel; the transmission mechanism comprises a gear disc, a rotating plate, a transmission gear and a transmission rod; the driving mechanism is arranged on the mounting plate, the gear disc is arranged at the bottom of the mounting plate, the driving end of the driving mechanism downwards penetrates through the gear disc and is sequentially connected with the inner end of the rotating plate and the upper end of the first stirring mechanism, the transmission rod is rotationally connected to the rotating plate, the upper end of the transmission rod is fixedly sleeved with the transmission gear, and the transmission gear is meshed with the gear disc; the lower end of the transmission rod penetrates through the rotating plate and is connected with the upper end of the second stirring mechanism, the outer end of the second stirring mechanism abuts against the inner side wall of the mixing barrel, and uniform mixing of the raw materials is ensured.

The invention provides high-performance resin concrete. The high-performance resin concrete is prepared from a cementing material, an efficient early strength agent, cement, aggregate and a cementation material. A cementing material used in the material has the characteristics of super-strong bonding force, strong shearing force, aging resistance, good medium resistance, strong impact resistance, normal-temperature curing, small shrinkage in a hardening process, no flowing in construction, short time for reaching strength, no volatile solvent, no toxicity, convenience in construction, capability of being constructed in a relatively wide temperature range, no precipitation and the like; the bending resistance and the tensile strength can be improved. And the cement can fill gaps of the cementing material, reduce the shrinkage of the cementing material and increase the compactness of the colloid. After the high-efficiency early strength agent is added, shrinkage of the mixture can be controlled to generate cracks, so that the effect of increasing compactness and strength is achieved. The aggregate can greatly improve the compressive strength and breaking strength of the material. And the mechanical property indexes such as bending resistance and tensile strength of the material can be changed by the infiltration material.