9results about How to "Avoid build-up" patented technology

The utility model relates to a storage bin device capable of preventing pulverized coal from being accumulated, which belongs to the technical field of boiler pulverizing equipment and comprises a cooling device arranged in a storage bin and used for dissipating heat of pulverized coal. A side bypass of the discharge port of the stock bin is connected with a suction branch pipe; the outlet of the material suction branch pipe is connected with the input end of the adjacent powder exhauster; the cooling device is used for dissipating heat of accumulated pulverized coal, the pulverized coal is prevented from being accumulated and heated, the material suction branch pipe outputs the pulverized coal in the stock bin in time, and the accumulation amount of the pulverized coal in the stock bin is reduced; and under the combined action of the two, potential safety hazards caused by accumulation of the pulverized coal in the storage bin are eliminated, and the operation stability and safety of the boiler pulverizing system are greatly improved.

The utility model discloses a naphtha dechlorination device, which relates to the technical field of dechlorination equipment and comprises a tank body, a mounting shell is mounted at the top end of the tank body, a rotating component is mounted in the mounting shell and comprises a rotating motor mounted in the mounting shell, and the output end of the rotating motor is connected with a first bevel gear. One side of the top end of the first bevel gear is in meshed connection with a second bevel gear, the middle of the second bevel gear is fixedly connected with a first rotating rod, one side of the bottom end of the first bevel gear is in meshed connection with a third bevel gear, the first rotating rod is arranged on the inner wall of the third bevel gear in a sleeving mode and is rotationally connected, and a fixing support is installed on the inner wall of the tank body; according to the utility model, the inner stirring blade and the outer stirring blade respectively rotate in opposite directions by utilizing the rotating assembly to form a complex three-dimensional flow field, and when the inner-layer stirring blade rotates in the forward direction, materials in a central area are driven to quickly circulate, so that a dechlorinating agent is quickly dispersed into a naphtha main body.

This invention relates to the field of pharmaceutical technology and discloses a multi-stage stirring pharmaceutical mixing tank, comprising: a main tank body with several legs fixedly mounted on the bottom surface, a detachable sealing cover on the top, and a drug outlet pipe at the lower end of the side wall; several heaters fixedly mounted on the side wall of the main tank body; several auxiliary tank bodies fixedly mounted above the main tank body, with a connecting pipe and a drug inlet pipe fixedly mounted on the bottom and top surface respectively, the lower end of the connecting pipe extending into the main tank body; and a stirring frame including a main stirring rod and an auxiliary stirring rod. The main stirring rod is rotatably connected to the sealing cover and driven by a motor, with its lower end extending into the main tank body and fixedly mounted with several main stirring blades and a scraper. The auxiliary stirring rod is driven by the main stirring rod through a gearbox and extends into the auxiliary tank body and is connected with several auxiliary stirring blades. The advantages of this invention are: it has the functions of multi-stage stirring and pre-stirring, which can distribute the stirring pressure of the total stirring and avoid the problems of accumulation and incomplete mixing.

The invention discloses high-speed rotating centrifugal de-odoring equipment, and relates to the technical field of dairy product processing, the high-speed rotating centrifugal de-odoring equipment comprises a processing chamber, a feeding and discharging unit and a centrifugal separation part, the feeding and discharging unit is connected with the processing chamber, the centrifugal separation part comprises a deflection mechanism and a de-odoring mechanism, the deflection mechanism and the de-odoring mechanism are located in the processing chamber, and the processing chamber is connected with the processing chamber. The deflection mechanism comprises a first driving module, a ball head rod and a universal joint, the first driving module and the universal joint are installed on the support, one end of the ball head rod is connected with a ball pair of the first driving module, the other end of the ball head rod is connected with the universal joint, and a plurality of connecting pipes are arranged on the ball head rod; through the synergistic effect of the deflection mechanism and the centrifugal mechanism, the centrifugal cylinder can swing at multiple angles while rotating at a high speed, attachment and accumulation of the centrifugal cylinder are effectively prevented, the filtering area is enlarged, the uniformity and separation efficiency of de-odoring are improved, and the de-odoring efficiency is further improved.

The utility model discloses a kind of anti-blocking devices of building water supply and drainage pipeline, including water pipe one, the one side of water pipe one is provided with anti-blocking box, the one side of anti-blocking box is provided with water pipe two, the one side end face of anti-blocking box towards water pipe two is fixedly installed with filter screen, the one side of filter screen is provided with scraping component, the scraping component includes round plate and arc-shaped scraper, the other side of filter screen is provided with driving assembly, the driving assembly includes mounting column, rotating rod and helical blade, the arc-shaped scraper is provided with three and fixedly installed in the outside of round plate, the arc-shaped scraper and filter screen are in contact with each other. Its realized the ability of scraping impurities, increased practicability, to solve the problem that water body filtration is carried out when pipeline anti-blocking, impurities can be attached to the surface of filter screen, affect the flow of water body.

The utility model relates to the technical field of wool wastewater treatment, and discloses a wool washing wastewater recovery and treatment device which comprises a support, an air flotation machine is fixedly connected to the top of the support, a scraping assembly is arranged in the air flotation machine, a ladder is fixedly connected to the side wall of the support, an air pump is fixedly connected to the bottom of the support, and the scraping assembly is arranged in the air flotation machine. One end of the air pump is fixedly connected with an air pipe, the other end of the air pipe is arranged at the bottom of the air flotation machine, a limiting assembly is arranged in the air pipe, the scraping assembly comprises a scraping plate, and the outer wall of the scraping plate is arranged on the inner wall of the air flotation machine. According to the air flotation machine, the transmission belt is driven by the motor to move, so that the scraping plate moves in the air flotation machine, floating objects attached to the inner wall can be efficiently removed, accumulation and adhesion of the floating objects are effectively avoided, smooth water flow and uniform bubble distribution are maintained, and the problems that the manual cleaning difficulty is large and the air flotation effect is affected are solved; the service life of the equipment is prolonged; and the overall working efficiency is improved.

This application discloses a radio frequency magnetron sputtering device with controllable cavity wall potential and its potential control method. The magnetron sputtering device includes a sputtering source cavity, a target material, a working cavity, a shield, and an active potential controller. The sputtering source cavity and the working cavity are sealed together, forming a process cavity. The target material is connected to a radio frequency power supply, which can output a periodically changing radio frequency electric field. Each cycle of the radio frequency electric field includes a positive half-cycle and a negative half-cycle. The shield is made of conductive material and is used to define the deposition area of ​​sputtered particles. The active potential controller is electrically connected to the shield and is used to apply a potential to the shield so that the shield can repel positively charged particles at least during the positive half-cycle, thereby suppressing particle adhesion on the shield. By using a constant positive potential or a periodic variable potential mode synchronized with the radio frequency, the negative potential during the negative half-cycle is strictly controlled below the particle re-sputtering threshold, thus fundamentally preventing the particle contamination problem caused by thin film deposition and peeling on the shield surface.

The application relates to the technical field of air purification, in particular to an air purification equipment for industrial production. The air purification equipment comprises a purification barrel and the like; four foot supports are arranged at the lower end of the purification barrel; a bottom disc is arranged at the bottom end of the purification barrel; an air outlet pipe is connected to the top end of the purification barrel; a particle sensor and an electromagnetic valve are arranged in the air outlet pipe; two groups of fixing frames are fixedly connected to the inner wall of the purification barrel; a centrifugal barrel is fixedly connected to the upper fixing frame; a double-shaft motor is arranged in the centrifugal barrel; the double-shaft motor is fixedly connected to the lower fixing frame; and an output shaft of the upper end of the double-shaft motor is fixedly connected with a centrifugal fan. The third fan in the air inlet pipe drives the cleaning ring to automatically scrape and clean the outer wall of the centrifugal barrel and the inner wall of the purification barrel during the operation of the equipment, so that the particle pollutants are effectively prevented from adhering and accumulating.

The application provides a high-turbidity mine wastewater high-efficiency coagulation and sedimentation integrated device, relates to the technical field of water pollution control and treatment, and a preset path for wastewater flow is formed in the flocculation tank. A plurality of flocculation grids are sequentially arranged in the preset path. The flocculation grid comprises a fixed grid plate and a movable grid plate. The flocculation grid is provided with a driving member. The wastewater flows along the preset path and sequentially passes through the plurality of flocculation grids. The impurities in the wastewater and the reagent produce flocculation. Meanwhile, the driving member makes the movable grid plate swing back and forth within a preset angle range every time the movable grid plate is static for a period of time. The size of the mesh alternately increases and decreases, the stable state of the mesh is destroyed, the mesh area is prevented from being attached and accumulated by the coal powder, rock powder particles and the flocculation body that is not timely settled in the wastewater to a certain extent, the probability of the mesh being blocked is reduced, the stable three-dimensional micro-vortex flow field is formed in the corresponding area, the preset velocity gradient distribution is maintained, the particle collision and reagent mass transfer efficiency and the flocculation effect are ensured.