17results about How to "Small particles" patented technology

The utility model discloses an anti-particle combination valve, which comprises a valve body, a valve core, a valve core and a valve core, the driving mechanism is connected to the side wall of the valve body; one end of the valve rod is connected with the driving mechanism; the valve element is arranged in the valve body and connected with the other end of the valve rod, when the valve rod is linked by the driving mechanism, the valve element is linked by the valve rod, the valve element moves in the valve body, and the gas channel is opened or closed; the protection piece is connected to the side wall of the valve body and arranged opposite to the driving mechanism, one end of the protection piece makes contact with the gas channel, and the valve element abuts against the protection piece when the gas channel is closed by the valve element; the protection piece is made of stainless steel; the part, making contact with the protection piece, of the valve element is made of stainless steel. Therefore, the technical problem that particles generated by contact friction between the valve element and the valve body pollute a vacuum system is solved.

The utility model relates to the related technical field of pharmaceutical equipment, one embodiment of the utility model provides raw material decoction piece homogenization treatment equipment for preparing nerve soothing granules, the raw material decoction piece homogenization treatment equipment comprises a mixing tank and a support, the mixing tank is arranged in the support, an overturning mixing assembly is arranged in the mixing tank and the support, and a feeding and discharging assembly is arranged at the bottom of the mixing tank and the support; the turnover mixing assembly comprises a pair of central shaft brackets, the central shaft brackets are respectively fixed on the two sides in the bracket, the mixing tank is rotatably connected to the pair of central shaft brackets in a sleeving manner, an outer gear is arranged outside the mixing tank, a driving motor is arranged on one side of the bracket, a driving gear is arranged at the output end of the driving motor, and the driving gear is meshed with the outer gear. By means of the technical scheme, the technical problems that in the prior art, due to the fact that traditional equipment is often difficult to rapidly and evenly mix the raw materials, part of the raw materials are not evenly distributed, some light medicinal materials can be gathered at the top of the equipment, and heavy medicinal materials are precipitated at the bottom are solved.

The application belongs to the technical field of sodium-ion battery cathode materials, and discloses a pyrophosphoric acid sodium iron phosphate composite material and a preparation method and application thereof. By regulating the microenvironment of chelation reaction, the chelation state of iron ions is optimized, iron ion precipitation is avoided, and the formation of electrochemically inert impurities is inhibited. Meanwhile, graphene oxide constructs a three-dimensional conductive network to improve the electronic transmission capacity of the material. The pyrophosphoric acid sodium iron phosphate composite material prepared by the application has small particle size, uniform dispersion, no inert impurities and is tightly coated by the conductive network. The material has a discharge specific capacity of 120.9 mAh·g ‑1 at 0.5 C, still maintains a reversible capacity of 78.1 mAh·g ‑1 at 20 C high rate, and has a capacity retention rate of 84.9% after 1000 cycles, and the full battery assembled with the hard carbon negative electrode also exhibits excellent rate and cycle performance.

The application discloses a W and Mo modified Co-based catalyst and a preparation method and application thereof, and belongs to the technical field of hydrogen evolution materials. 1‑x -W x -Mo y -B, wherein x is 0.05-0.5, and y is 0.025-0.2.The W and Mo transition metal doping can effectively improve the surface area of the catalyst, avoid excessive aggregation of the catalyst particles, and make as many catalytic active sites of the catalyst as possible exposed to a reaction solution, so that the obtained quaternary catalyst has high catalytic activity and good cycle stability.

The application discloses a self-adaptive heavy metal solidification and blocking micro-particle, which comprises, from inside to outside, a heavy metal dissolution blocking agent inner core, a triggerable capsule wall and a heavy metal solidification agent shell layer arranged in sequence; wherein the heavy metal dissolution blocking agent inner core material is mainly obtained by compounding silicate and nano-scale active silicon dioxide, the triggerable capsule wall material comprises a pH trigger material and a heat-curing resin; and the heavy metal solidification agent shell layer material is mainly obtained by compounding and intercalating modified kaolin, a calcium-silicon ratio regulator and a sulfate. The application mainly reduces heavy metal dissolution of large-dosage steel slag micro-powder concrete in a service process from two aspects of early solidification and later prevention, and reduces the cracking risk of the large-dosage steel slag micro-powder concrete in a preventive and later compensatory mode; the application can meet the requirements of multiple scene services, and even when the concrete has slight cracks, the application will not increase the risk of heavy metal dissolution, and is suitable for popularization and application.

This utility model relates to the field of white willow bark processing equipment, and discloses a white willow bark raw material crushing and alkalization device, including a mixing box and a processing box. The right side of the mixing box and the left side of the processing box are connected by a conveying mechanism. A crushing mechanism is arranged inside the processing box, and a proportioning mechanism is arranged on the top of the mixing box. The proportioning mechanism includes a proportioning cylinder and a vertical pipe fixedly connected to the proportioning cylinder. The bottom of the vertical pipe is fixedly connected to the inner wall of the mixing box, and a connecting pipe is fixedly connected to the bottom of the vertical pipe. An annular pipe is fixedly connected to the end of the connecting pipe away from the vertical pipe. In this utility model, the proportioning accuracy of the alkali solution is improved by the design of two sets of proportioning cylinders and their scale lines in the proportioning mechanism. The stirring blades in the mixing box, driven by a third drive motor, ensure that the white willow bark raw material and the alkali solution are fully mixed, providing uniform and stable reaction conditions for the subsequent alkalization reaction and improving the extraction efficiency of effective components.

The utility model discloses a garden green plant waste drying treatment device which comprises a conveying assembly, a smashing assembly, a screening assembly, a material collecting assembly and a shell. The conveying assembly comprises a driving motor, a driving rod installed on a main shaft of the driving motor, a spiral blade installed on the outer side of the driving rod and extending in the length direction of the driving rod, and a sleeve arranged on the outer side of the spiral blade in a sleeving mode. The crushing assembly comprises a fixing ring rotationally arranged on the outer side of the sleeve, crushing blades arranged on the outer side of the fixing ring, a fixing rod arranged at the tail ends of the crushing blades and a connecting rod installed at the tail end of the fixing rod, and the fixing rod is fixedly connected with the driving rod through the connecting rod; the garden green plant waste drying treatment device can further smash waste so as to reduce the transportation space required by the waste.

This invention belongs to the technical field of solid electrolytes and discloses a method for preparing a liquid-phase doped silver-germanium sulfide solid electrolyte with high ionic conductivity. The method includes: 1) dispersing lithium sulfide and phosphorus pentasulfide in an organic solvent, heating and stirring to obtain a precursor solution containing Li3PS4; 2) mixing lithium iodide, sulfur powder, and additives with the precursor solution, heating and stirring to remove the organic solvent, and obtaining a powder; 3) sintering the powder under a protective atmosphere to obtain a silver-germanium sulfide solid electrolyte; the additives are one or more of SiS2, GeS2, SnS2, As2S3, and Sb2S3. This invention is simple, and the prepared silver-germanium sulfide electrolyte undergoes elemental doping during thermal crystallization, improving the electrolyte's ionic conductivity and air stability. This method is suitable for industrial production.

The utility model discloses a rubber cyclic crushing device, and relates to the technical field of rubber processing, the rubber cyclic crushing device comprises a crushing assembly, and the bottom end of the crushing assembly is provided with a blanking assembly; the crushing assembly comprises a crushing bin, two crushing rollers and two rotating rods are rotatably mounted on the inner wall of the crushing bin, a group of crushing blades are fixedly mounted on the outer wall of each rotating rod, and an arc-shaped discharging opening is formed in the bottom end of the crushing bin; each discharging assembly comprises two arc-shaped baffles, connecting plates are fixedly connected to the outer walls of the two arc-shaped baffles, rotating shafts are fixedly installed on the outer walls of the two connecting plates, through mutual cooperation of the discharging assemblies, precise control over opening and closing of the two arc-shaped baffles is achieved, discharging can be conducted after rubber is smashed completely, and the discharging efficiency is improved. And meanwhile, the discharging speed and the discharging amount can be flexibly controlled according to actual production requirements, the adverse effect on the production process caused by too much or too little discharging is avoided, and the production stability and controllability are improved.

The utility model discloses a getter feeding device for vacuum glass production line relates to getter field, including the storage jar, the top of storage jar is equipped with the motor, the output of motor is connected with the rotating rod, the bottom of rotating rod is fixed with the rubbing roller, one end of rubbing roller is installed with the conveying rod, the outer wall of conveying rod is installed with the vane, the outer wall movable mounting of fixed column has the fixed frame, the outer wall of fixed frame is installed with multiple groups of the stirring board. The utility model getter stores in the inside of storage jar, and the vane will be located in the conveying bin bottom getter and be sent to the rubbing bin, and the rubbing roller is broken to the agglomerate getter through multiple rubbing teeth, and the getter in the storage bin is mixed and stirred by multiple stirring boards, and the orifice plate inside the stirring board is extruded and crushed to the massive getter, thereby reducing the getter and appearing a large amount of getter powder block before filling into the vacuum glass.

This utility model relates to the technical field of welding protection equipment, specifically a protective mechanism for a welding machine, including a frame; the frame is equipped with a protective mechanism and a collection mechanism; the protective mechanism includes a protective frame, which is slidably connected to the side of the frame, and a protective cover is fixedly connected to the middle of the protective frame, with ventilation holes on the inner side of the protective frame. The ventilation holes serve as an air inlet and an air outlet, thereby forming a flowing gas barrier between the ventilation holes to guide and collect the fumes generated during welding. Simultaneously, the flowing gas can block splashing sparks, reducing the surface temperature of the sparks before they contact the protective cover, thus reducing damage to the protective cover. The flowing gas can also blow lighter sparks away from the protective cover. By reducing damage to the protective cover or reducing the amount of fume particles adhering to its surface, the service life of the protective cover is increased, and the frequency of maintenance or cleaning is reduced.

The utility model relates to the technical field of coating waste recovery, in particular to an exterior wall coating construction waste recovery device which comprises a supporting mechanism, a smashing mechanism and a transmission mechanism, the supporting mechanism comprises a supporting plate, supporting legs are fixedly installed at the four corners of the bottom of the supporting plate, and a material collecting box is arranged on one side of the upper surface of the supporting plate; supporting side plates which are symmetrically distributed are fixedly installed on the other side of the upper surface of the supporting plate, a feeding hopper is fixedly arranged on the tops of the supporting side plates, and a scraping mechanism is arranged in an inner cavity of the feeding hopper. Under the action of the scraping mechanism, under the cooperation of the side scraping plate and the top scraping strip, residual dry paint in the paint barrel can be effectively scraped, and under the action of a specific mounting inclination angle, scraped waste automatically falls into the next step of processing operation, so that the processing efficiency is greatly improved. And therefore, the coating barrel adhered with the waste is subjected to waste scraping treatment.

The present invention is a method for producing a resin dispersion containing at least water and a water-insoluble resin, the method comprising the following step [b] and step [c], the viscosity of a liquid mixture obtained after the completion of the step [b] being 4.0 * 105 mPa * s or less, and the viscosity of the liquid mixture obtained after the completion of the step [c] being 4.0 * 105 mPa * s or less. And the content ratio (mass ratio) of the water to the water-insoluble resin in the mixed solution is 2.0 or less. Step [b]: a first addition step in which water is added to the water-insoluble resin in a liquid state at 73 DEG C or less under atmospheric pressure and mixed; step [c]: a second addition step in which water is added to and mixed with the liquid mixture obtained in step [b].

This application relates to the field of activated carbon tower technology and discloses a high-efficiency activated carbon tower for chemical use, including a shell and multiple sets of activated carbon plates disposed inside the shell. A partition is welded to the inner wall of the shell, and an air inlet pipe is welded to the outer wall of one side of the shell. A guide pipe is fixedly installed on the inner wall of the shell on the side of the air inlet pipe, extending to the bottom of the shell. A water inlet pipe is fixedly installed on the outer wall of one side of the shell. The air inlet pipe allows air to enter the interior of the shell, while the water inlet pipe allows water to enter between the shell and the partition. The water is then stored between the inner wall of the shell and the partition. When gas enters the water, it continuously emerges in the form of bubbles, and the gas particles remain in the water, thereby reducing the number of particles in the gas, ensuring the activated carbon plates can filter the gas, reducing particle adhesion to the surface of the activated carbon plates, decreasing the efficiency of cleaning and replacing the activated carbon plates, and enhancing filtration efficiency.

The present application provides a kind of chicken manure air-drying production line with anti-accumulation equipment, belong to organic fertilizer processing equipment technical field, including conveying chain, air-drying mechanism and turning shovel mechanism.The conveying chain is equipped with conveying plate, front and rear two sides symmetrically install front baffle and back baffle;Air-drying mechanism includes fan fixed in the rear end of conveying chain, fan is connected with multiple spray heads by exhaust pipe, spray head and turning shovel assembly staggered arrangement, airflow guide conveying plate;Turning shovel mechanism includes fixed frame, drive assembly, transmission assembly, turning shovel assembly and crushing assembly, turning shovel assembly is turned by connecting ring and shovel board chicken manure, crushing assembly is driven by planetary gear system first blade rotation, second blade rotation and revolution, efficiently crushes large chicken manure.The present application solves the problem of sticking and accumulation caused by viscosity and large material of chicken manure by the synergistic effect of turning shovel, crushing and air-drying, forms uniform material layer, improves air-drying efficiency and subsequent processing convenience.

The utility model relates to the field of mechanical seal, specifically disclose an improved mechanical seal of slag slurry pump, including the shaft, the ring and the static ring, still include the residue separation mechanism, it includes the concentric first ring filter screen and second ring filter screen, the first ring filter screen mesh number is less than the second ring filter screen, be provided with the fixed ring of fixed filter screen on the ring, be provided with the fixed friction ring of limiting filter screen on the static ring. The utility model passes through the first ring filter screen and second ring filter screen construction to filter the liquid between the ring and the static ring, thereby reducing the solid small particle in liquid, reduce small particle to enter the sealing gap, slow down the wear and tear problem between the ring and the static ring, prolong the equipment's overhaul time, in the centrifugal pump shell environment, the big solid particle in the slurry liquid many will be thrown to the pump shell edge because of centrifugal force, namely only smaller particle can contact the first ring filter screen and second ring filter screen with liquid.

The invention discloses a neodymium-iron-boron zinc plating method for maintaining shearing force performance based on high and low temperature circulation. The neodymium-iron-boron zinc plating method comprises the following steps: carrying out electroplating pretreatment on a neodymium-iron-boron magnet; carrying out first-layer zinc plating on the pretreated magnet, wherein the first-layer zinc plating is carried out in a sulfate-containing zinc plating solution; carrying out second-layer zinc plating on the magnet subjected to first-layer zinc plating, wherein the second-layer zinc plating is carried out in a potassium salt-containing zinc plating solution; carrying out electroplating post-treatment on the magnet after the second layer of zinc plating is completed; the cathode current density adopted by the first layer of galvanization is greater than that adopted by the second layer of galvanization. The problems that an existing neodymium-iron-boron magnet is insufficient in shearing force in an extreme temperature environment, and potential safety hazards are likely to be caused are solved, the second-layer current density reducing technology releases coating stress, the high-low-temperature cyclic shearing force of the magnet is improved, meanwhile, the salt mist performance of the magnet is further improved, and the service life of the magnet is prolonged. And the sintered neodymium-iron-boron magnet and the galvanized magnet have high corrosion resistance at the same time.