11results about How to "Eliminate dead ends" patented technology

The invention relates to the technical field of industrial silicon processing, and particularly discloses industrial silicon processing furnace front stirring equipment which comprises a stirring tank, a feeding pipeline is arranged at the top of the side wall of the stirring tank, and a discharging pipeline and a stirring assembly are arranged at the bottom of the stirring tank. The driving mechanism is arranged at the top of the stirring tank, the hollow shaft is rotationally connected into the stirring tank and is driven by the driving mechanism to rotate, the transverse stirring frame is arranged on the side wall of the hollow shaft, the connecting shaft is vertically connected into the hollow shaft in a sliding mode, and a plurality of through grooves are evenly formed in the side wall of the hollow shaft; a vertical stirring frame penetrating through the through groove is arranged on the side wall of the connecting shaft; according to the vertical stirring tank, the problem that a traditional vertical stirring tank is influenced by the gravity of materials, the longitudinal stirring effect on the materials is poor, and the stirring period is long is solved.

The utility model relates to the technical field of medical detection experiment appliances, and discloses a medical detection reagent dissolving device which comprises a dissolving barrel, a sealing cover is detachably connected to the upper end of the dissolving barrel, a motor is fixedly connected to the sealing cover, the output end of the motor penetrates through the sealing cover and is connected with a stirring frame, and a butt joint cover is fixedly connected to the lower end of the dissolving barrel. The lower end of the butt joint cover is detachably connected with a collecting barrel, a connecting column is connected in the collecting barrel in an up-down sliding mode, the upper end of the connecting column is fixedly connected with a plugging disc, the lower end of the connecting column is fixedly connected with a butt joint disc, the upper end of the collecting barrel is provided with a plurality of flow guide holes, the plugging disc is matched with the flow guide holes, and the inner wall of the dissolving barrel is provided with a conical surface and an arc-shaped surface. According to the utility model, the dead angle of the cavity is eliminated, the residual reagent hanging on the wall is reduced, the arc-shaped surface is matched with the annular stirring frame to form a vortex region, the uniformity of reagent dissolution is improved, and the problem of poor dissolution effect of the existing device is solved.

The utility model relates to the technical field of release equipment. More specifically, the utility model relates to a PVA (Polyvinyl Alcohol) loosening machine. The PVA loosening machine disclosed by the utility model can be used for stirring and loosening a certain amount of PVA fibers and water. After PVA and water are put into the tank body, the slurry reaches the center height of the feeding hole of the guide cylinder, enters the guide cylinder from the feeding hole, and starts to be released; under the high-speed rotation of the rotor, the slurry is thrown out through the gap between the stator and the rotor, touches the inner wall of the tank body and the baffle plate to change the direction, and upwards returns to the feeding hole again, so that an up-and-down circulating flow pattern is formed in the tank body. In this way, plane rotation and up-down mixing of slurry in the tank body are achieved, it is guaranteed that fibers in the tank make full contact with water and are dispersed, PVA fibers are fully loosened, no bunchy fibers exist basically, and the good dispersion effect is achieved.

This invention belongs to the field of lithium-ion production technology, and specifically relates to a high-efficiency and energy-saving mixing system for petroleum coke and pitch used in the production of aluminum electrolytic anode carbon blocks. The system includes a working plate with a material discharge hole at its top, and two rotating support seats symmetrically fixed to the top of the working plate. A large mixing cylinder is rotatably mounted on each of the two rotating support seats, with a discharge pipe connected to its outer side. The large mixing cylinder has an elliptical hollow structure, wider in the middle and narrower at both ends, used to accommodate and mix petroleum coke and pitch raw materials. Two annular support members are fixedly installed on the outer sides of both ends of the large mixing cylinder, and these two annular support members rotatably engage with the two rotating support seats. This invention achieves bidirectional reverse mixing, dual-mode heating for energy saving, precise temperature control and insulation, leak-proof sealing, and high-efficiency production, improving the quality and efficiency of anode carbon block production while reducing energy consumption.

The utility model discloses a dead-corner-free spinning and discharging device for a polymerizer. The dead-corner-free spinning and discharging device comprises a spinning body and a discharging body used in cooperation with the spinning body. The spinning main body comprises a first connecting part, a flange part and a guide cylinder part, the flange part is connected to the bottom of the polymerization kettle, and the guide cylinder part is inserted into an opening in the bottom of the polymerization kettle and is in sealing fit with the inner wall of the opening; the flange part is connected with the guide cylinder part, the flange part is provided with a material guide channel communicated with a lower opening of the guide cylinder part, an upper end cover of the guide cylinder part is provided with a spinneret orifice, and the spinneret orifice is communicated with the interior of the polymerization kettle and the interior of the guide cylinder part; the discharging body comprises an ejector rod part and a second connecting part, and the ejector rod part is detachably installed in the material guiding channel and the guide cylinder part through the second connecting part and the first connecting part to completely fill the interior of the material guiding channel and the interior of the guide cylinder part. According to the utility model, continuous or multi-batch spinning is allowed, dead-angle-free spinning and discharging are realized, and the use efficiency of materials and the product quality are improved.

The utility model relates to the technical field of yeast fermentation ventilation, and discloses a multistage flow guide pore plate and internal circulation coordinated yeast room uniform air supply device which comprises an air supply assembly and an internal circulation assembly which are mounted in a yeast room, the air supply assembly comprises an air uniformizing module mounted at an air inlet of the koji room and an air outlet module mounted at an air outlet of the koji room; the whole air uniformizing module is of a conical structure, and an air supply hole plate net is installed at the air outlet end of the air uniformizing module. The interior of the air uniformizing module is divided into four air supply areas, a plurality of flow guide plates are installed in the air supply areas at equal intervals, and the sizes of the flow guide plates are gradually decreased in a gradient mode according to the airflow direction. The internal circulation assembly is arranged in the center of the top of the koji room. The flow guide plates in gradient design are combined with the pore plate net for throttling and speed reduction, so that layered regulation and control, accurate flow guide and uniform speed reduction of airflow are realized, and the problem of non-uniform air supply speed in the prior art is solved; outer circulation air supply is matched with inner circulation, double-circulation regulation and control are achieved, and temperature and humidity layering is reduced.

The utility model discloses magnetic seed recovery equipment which comprises a main body, a high shear chamber, a magnetic drum chamber and a stirring chamber which are sequentially communicated are arranged in the main body, a shearing paddle is arranged in the high shear chamber, a magnetic drum is arranged in the magnetic drum chamber, a scraper is arranged in the direction of the water inlet side of the magnetic drum, and a stirring paddle is arranged in the stirring chamber. A flushing device, a water-smoothing device and a water replenishing device are arranged in the magnetic drum cavity, the flushing device and the water-smoothing device are respectively positioned in the direction of the water outlet side of the magnetic drum, the water replenishing device is positioned in the direction of the water inlet side of the magnetic drum, the flushing device and the water replenishing device can spray water to the magnetic drum, and the water-smoothing device can scrape water on magnetic seeds adsorbed on the surface of the magnetic drum. According to the magnetic seed recovery equipment, the flushing device is arranged to flush magnetic seeds on the magnetic drum, sludge on the magnetic seeds can be effectively removed in cooperation with the water smoothing device, and the magnetic seed recovery rate is increased; the water supplementing device is arranged, so that magnetic seeds on the magnetic drum can be diluted, and the magnetic seeds on the magnetic drum can be scraped off more easily by the scraping plate; the water smoothing device is simple in structure, ingenious in design and very convenient to disassemble, assemble and replace.

The application belongs to the technical field of waste gas harmless treatment, in particular to an epoxy powder coating production waste gas harmless treatment device, which comprises a filter box, a plane filter plate is embedded in the filter box, gas collecting equipment is arranged on the top of the filter box and corresponds to the plane filter plate; a first horizontal moving seat is arranged below the plane filter plate, a strip-shaped nozzle is clamped on the first horizontal moving seat, and the top of the strip-shaped nozzle is slidably connected to the bottom of the plane filter plate; in the application, the airflow is guided from top to bottom and the U-shaped pipe is designed to turn, so that the waste gas forms a clear and coherent flow path in the filter box, the primary filtration is closely connected with the secondary water vortex filtration, the airflow dead angle is effectively eliminated, the overall filtration efficiency is improved, the gas-liquid turbulent contact is significantly strengthened by the secondary water vortex filtration mode, the fine dust can be efficiently captured, the soluble harmful components can be simultaneously removed, and thus the purification depth and emission safety are greatly improved.

The utility model discloses a gate valve for powder conveying. The gate valve comprises a valve rod, a valve body and a gate plate. The core improvement is that a rubber sleeve is integrally embedded in the inner wall of the valve body channel, and an inner hole of the rubber sleeve adopts a continuous convergence structure design: the inner diameter is gradually reduced from the opening part of the valve body channel to the middle part to form a dead-corner-free inclined surface runner, so that powder automatically slides to the middle part of the channel under the action of gravity, and the risk of material accumulation and blockage of a traditional horizontal valve cavity is thoroughly eliminated. The rubber sleeve generates radial resilience force when being extruded by the flashboard, so that adhered powder can be stripped to realize self-cleaning, and the abrasion of the sealing surface can be dynamically compensated. According to the valve, through the cooperation mechanism of inclined plane flow guiding and elastic self-compensation, zero leakage is guaranteed, and meanwhile the blocking problem in the powder conveying process is solved.

The invention belongs to the technical field of metal bipolar plate cleaning, and particularly relates to a rotary metal bipolar plate cleaning device which comprises a cylindrical cage body, a plurality of to-be-cleaned metal bipolar plates are placed in the cylindrical cage body, and the plurality of to-be-cleaned metal bipolar plates are circumferentially arranged around the center of the cylindrical cage body; a supporting rod is fixedly connected to the center of the bottom of the cylindrical cage body, a central spraying pipe penetrates through the supporting rod, one end of the central spraying pipe penetrates through the center of the cylindrical cage body and is fixedly connected with a top spraying pipe, and the top spraying pipe is located above the cylindrical cage body; the supporting rod is connected with the driving assembly, and the driving assembly is used for driving the supporting rod to rotate; in the process that the driving assembly drives the supporting rod and the cylindrical cage body to rotate, cleaning liquid is conveyed to the top spraying pipe through the center spraying pipe, the cleaning liquid cleans the metal bipolar plate to be cleaned through the center spraying pipe and the top spraying pipe, cleaning dead corners are effectively eliminated, and uniform cleaning is achieved.

The utility model relates to floatation device technical field, specifically disclose a quartz sand production is with mechanical stirring type floatation device, including device body, the inside of device body is provided with the stirring piece, the bottom end intercommunication of device body outer wall has the discharge pipe, the right side of device body is opened in the penetration and is provided with the bubble discharge port, the top of device body is provided with the apron, the bottom of apron is provided with dynamic airflow type foam cleaning structure, through the air flow that blower produces enters the air collection cavity through telescopic hose, blows out through the nozzle, nozzle dynamic movement forms directional air curtain, blows the foam of each position in device body to the bubble discharge port, eliminates the foam stagnation dead angle, makes the foam timely discharge, ensures that floatation work carries out continuously efficiently, further through dynamic airflow type foam cleaning structure expands the range of air flow cleaning, can carry out efficient cleaning to the foam in device body, avoids the foam accumulation in the device, effectively improves the floatation efficiency.