30results about How to "Increase centrifugal force" patented technology

The application discloses a kind of closed space ventilation dust removal device and dust removal method, ventilation dust removal device includes air supply fan and dust removal component, the outlet end of the air supply fan is connected with the ventilation pipe of entering closed space and communicates, air distribution connector is connected in ventilation pipe end portion, the air distribution connector is equipped with the air supply branch pipe that is communicated with dust removal component, dust removal component includes the air amplifier that is communicated with air supply branch pipe, and the air flow that enters air amplifier by air supply branch pipe generates negative pressure and carries out dust removal to the air of closed space;Pressure regulating mechanism for guaranteeing the gas pressure of air supply branch pipe is set on air distribution connector, the application utilizes air supply branch pipe and air amplifier to realize using one air supply fan to simultaneously realize the ventilation of closed space and dust removal power supply, equipment energy consumption can be reduced, and the gas pressure in air supply branch pipe is kept using pressure regulating mechanism, to ensure the air extraction processing efficiency of dust removal component.

The utility model discloses a filter device of circulating backwash, including filter casing, install a set of bearing seat in the inner chamber of filter casing upper end, bearing seat is sealed with a set of filter core rotation connection, and the rotation action can be realized to filter core through drive assembly, and cooperate transmission assembly and drive cleaning brush rotation, the utility model centrifugal force throws out high -speed water flow, and the impact force of impurity is greatly promoted, and the mechanical cleaning of cooperation cleaning brush, under double effect, can more efficiently remove strong viscosity, firmly attached contaminant and deep pore small impurity, and backwash efficiency improves obviously, and high -efficient backwash reduces backwash frequency and time, and water flow energy consumption is reduced, simultaneously, the filter core is because clean thoroughly, and the service life is extended, and the frequency of replacement is reduced, and the overall operation cost is reduced.

This utility model discloses a vibrating screen for nicotinamide production, comprising a support frame, four fixed seats (first type) fixed to the support frame, springs fixed to the fixed seats (first type), and fixed seats (second type) fixed to the springs. A vibrating screen body is fixed between the four fixed seats (second type). A dual-shaft motor is fixed to the lower side of the vibrating screen body. Eccentric wheels are fixed to the output shafts of the dual-shaft motors. Fixed columns are fixed to the output shafts of the dual-shaft motors. Connecting shells are fixed to the fixed columns. Sealing covers are fixed to the connecting shells. Connecting pipes are embedded within the fixed columns and communicate with the connecting shells. Through its control structure, this utility model allows the device to dynamically adjust the amplitude of the vibrating screen body according to screening requirements. When a water pump is started to inject water into the connecting shells, the centrifugal force of the connecting shells increases, causing the dual-shaft motors to drive the vibrating screen to produce a larger amplitude, suitable for processing materials that are difficult to screen. Conversely, pumping water reduces the amplitude, suitable for fine screening.

This utility model relates to the field of leather fatliquoring agent processing technology and discloses a leather fatliquoring agent emulsification device, including a tank. A main rotating rod is rotatably installed inside the tank. Four identical stirring components are fixedly installed on the outer wall of the main rotating rod. Each stirring component includes a secondary rotating rod fixedly sleeved on the outer wall of the main rotating rod. A connecting rod 1 is hinged to the other end of the secondary rotating rod, and a connecting rod 2 is hinged to the bottom end of the connecting rod 1. An insert rod is fixedly installed on the inner wall of the connecting rod 2. This utility model allows the stirring range to be automatically adjusted according to the rotation speed of the main rotating rod by changing the rotation speed of the main rotating rod. In the high viscosity stage, the rotation speed of the main rotating rod increases, the centrifugal force increases, and the stirring cone and the connecting rod 1 form a near-horizontal shape, expanding the stirring range and avoiding energy loss caused by local overheating. When processing low viscosity materials, the rotation speed of the main rotating rod is reduced, the stirring range shrinks, and the stirring range can be automatically adjusted according to the viscosity of the material.

This invention belongs to the field of gas-liquid separation technology, and relates to a gas-liquid separator for hydrogen production by water electrolysis. It includes a separation tank and a gas-liquid separation component disposed within the separation tank. The gas-liquid separation component includes a support column and a spiral guide baffle sleeved on the support column. The support column is rotatably connected to the separation tank. The spiral guide baffle includes a base column and multiple spiral curved blades disposed on the side wall of the base column, with the multiple spiral curved blades evenly distributed circumferentially on the base column. The base column is sleeved on the support column and rotatably connected to it. A gas outlet, a gas-liquid mixture inlet, and a liquid outlet are sequentially arranged from top to bottom on the side wall of the separation tank. The gas-liquid mixture inlet is directly opposite the spiral guide baffle. This invention can ensure dynamic and stable gas-liquid separation under different operating conditions and is suitable for efficient gas-liquid separation in hydrogen production by water electrolysis, where gas production is extremely high.

The invention discloses a stem cell-based microvesicle as well as a preparation method and application thereof, belongs to the technical field of biological tissue engineering, and particularly relates to a preparation method of the stem cell-based microvesicle, which comprises the following steps: culturing stem cells until the cell fusion degree is 80-90%, performing hypoxia treatment, and cleaning for 2-3 times; standing and culturing the cleaned stem cells, then adding a calcium ion carrier, and carrying out ultrasonic treatment; the serum-free basic culture medium containing the calcium ion carrier is immediately absorbed and removed, the cells are cleaned through PBS, culture is conducted for 24 h, and cell supernatant is collected and merged respectively; performing first centrifugation to remove cell debris; performing second centrifugation to remove dead cells and large cell debris; carrying out third centrifugation to remove organelles; fourth centrifugation is carried out, large vesicles are removed, and a final supernatant is obtained; and filtering and centrifuging to obtain a microvesicle precipitate. The preparation method of the microvesicles aims at systematically improving the yield and biological activity of the stem cell microvesicles through low-oxygen pre-stimulation, ultrasonic-calcium ion carrier synergistic induction and differential centrifugation.

The application discloses an essential oil grading device and method, relates to the technical field of essential oils, and comprises a base, the upper surface of the base is provided with a collecting tank with an inverted concave cross section, the inner top surface of the collecting tank is rotationally provided with a central tank, the side surface of the central tank is circularly provided with a plurality of arc-shaped pressing plates which are uniformly distributed and matched with the central tank, and the solid particles are broken by centrifugal force in the centrifugal process, so that the breaking process is not required to be completed after the centrifugal process, additional time consumption is not required, the production efficiency is improved, and meanwhile, the rectangular blocks are clamped into the block grooves during the movement of the centrifugal cylinder, the movable plate is pulled to move, the positioning members are moved out of the positioning holes to release the fixation of the centrifugal cylinder, the centrifugal cylinder can be taken off by the staff after the centrifugal cylinder is moved out of the collecting tank, and when the centrifugal cylinder is lifted after the cleaning is completed, the pulling of the movable plate is released, the second spring is bounced, the positioning members are clamped into the positioning holes, and the centrifugal cylinder can be fixed again.

This invention relates to the field of coated sand regeneration dust removal technology, and discloses a coated sand fluidized bed cyclone dust collector, including a shell, a waste box fixedly connected to the top of the shell, a cyclone cylinder fixedly connected to the top of the waste box, an air supply mechanism installed on one side of the top of the cyclone cylinder, a top cover fixedly connected to the top of the air supply mechanism, an adsorption mechanism installed on the top of the top cover, and a discharge cylinder. This coated sand fluidized bed cyclone dust collector, through an indirect discharge mechanism, an anti-adsorption and shaking mechanism, a rotary dust removal mechanism, and an air duct guiding mechanism, achieves intermittent lifting and sealing of the discharge cylinder, intermittent discharge, and, in conjunction with a linkage vibration anti-blocking mechanism, a cylinder wall rotation self-cleaning mechanism, and a forced swirl guiding structure, stabilizes the internal airflow and improves the dust separation effect. The entire machine adopts an integrated mechanical linkage design, resulting in low manufacturing costs, effectively improving dust removal accuracy and sand recovery rate, and is suitable for large-scale continuous regeneration dust removal operations of coated sand.

This utility model provides a dust filter device, belonging to the field of charging pile technology, including: a cyclone dust collector, which includes a dust collector shell, a negative pressure suction pipe, and at least one centrifugal separation unit; the dust collector shell includes an independent negative pressure chamber, an air inlet chamber, and a dust collection chamber, and the negative pressure suction pipe is connected to the interior of the negative pressure chamber; the centrifugal separation unit includes an air inlet pipe and an air outlet pipe, the inlet of the air inlet pipe is connected to the interior of the air inlet chamber, the outlet of the air inlet pipe is connected to the interior of the dust collection chamber, the inlet portion of the exhaust pipe extends into the inlet of the air inlet pipe, and the outlet of the exhaust pipe is connected to the interior of the negative pressure chamber, and a spiral guide vane is provided in the annular gap between the inner wall of the air inlet pipe and the outer wall of the exhaust pipe; the beneficial effects of this utility model are: the cyclone dust collector is not easily blocked by dust when maintaining a large air intake, and can effectively block conductive metal dust, eliminating the risk of short circuit caused by the accumulation of metal dust.

This invention relates to the field of food filtration technology and discloses a mango juice black spot filtration device and its filtration method. The device includes a frame, a motor fixedly connected to one side of the top of the frame, an organic housing fitted and fixedly connected to the inner wall of the top of the frame, a rotating shaft fixedly connected to the output end of the motor, and a belt fitted and rotatably connected to the outer wall of the rotating shaft. It also includes a black spot filtration mechanism, comprising a drive shaft rotatably connected to the inner wall of the belt at the end away from the rotating shaft. One end of the drive shaft passes through the housing and extends to the outside of the housing. A feed pipe is connected to the top of one side of the housing. During debugging, the residence time of the material in the nylon filter screen can be increased by adjusting the angle of the brush, thereby increasing the output. Furthermore, appropriately increasing the frequency of the inverter can improve the separation factor, increase the centrifugal force of the material, and increase the throughput of the nylon filter screen, thus further increasing the output. Adjusting the angle of the frame makes it easier to discharge the black spots.

The utility model discloses a steam-water separator, including the casing, the lateral part of casing is equipped with the air inlet, the top of casing is equipped with the exhaust port, is equipped with the baffling separation mechanism, centrifugal separation mechanism and impact separation mechanism from top to bottom in the casing, the air inlet end of baffling separation mechanism is connected with casing, the exhaust end of baffling separation mechanism is connected with exhaust port, the air inlet end of centrifugal separation mechanism is connected with air inlet, the exhaust end of centrifugal separation mechanism is located the top of impact separation mechanism and is opposite the impact separation mechanism setting. The utility model improves the contact time and contact area of airflow and casing internal mechanism, increases the adhesion time and adhesion area, improves the efficiency of steam-water separation, and the water removal capacity is big, guarantees the effect of steam-water separation.

The utility model relates to the technical field of mine dust removal, in particular to a mine ventilation and dust removal device which comprises a ground, a dust collection box is fixed at the top of the ground, a water tank is arranged at the left end of the dust collection box and fixedly connected with the ground, a cyclone separator is arranged at the top of the dust collection box, and a separator air pipe is fixed in the cyclone separator. A gas conveying pipe is fixed to the top of the separator gas pipe through a flange, a connector is fixed to the left side of the cyclone separator, the connector is tangent to the cyclone separator, a gas inlet pipe is fixed to the left side of the connector, a filter plate is fixed in the gas inlet pipe, and a connecting pipe is fixed to the left end of the gas inlet pipe through a flange; a fan is fixed at the left end of the connecting pipe; clear water in the water tank can be conveyed to the spray head through the water conveying pipe through cooperation of the water pump and the electromagnetic valve, so that dust in the dust collection box is sprayed wet, the dust in the dust collection box is prevented from flowing back, and the dust collection effect is guaranteed.

A low-resistance efficient cyclone dust collector comprises a shell, a lower conical hopper, an air inlet pipe and an exhaust pipe, the air inlet pipe is arranged on the upper portion of the side wall of the shell, the exhaust pipe is arranged in the center of the top face of the shell and extends into the shell, a grating exhaust device is arranged on the side wall of the exhaust pipe in the shell, an exhaust outlet is formed in the bottom of the exhaust pipe, and the lower conical hopper is arranged in the shell. A flow guide cone is arranged in the shell, and an ash discharge port is formed in the bottom of the lower cone hopper. According to the utility model, the grid exhaust device is arranged on the exhaust pipe, so that a part of flue gas is exhausted from the side part through the grid exhaust device, the flue gas speed is reduced, the flue gas resistance is reduced, and the flue gas is guided through the flue gas guide cone, so that the flue dust separation is realized, and the dust removal efficiency is improved.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

The invention relates to the technical field of rice processing, in particular to an automatic rice processing production system which comprises a silo, a conveying set, a motor, a support, a shell, a sleeve, a first-stage impeller, a second-stage impeller, a third-stage impeller and a discharging plate, the shell comprises a material conveying shaft and a discharging opening, the material conveying shaft is fixedly connected to the inner bottom of the shell, the sleeve is connected to the material conveying shaft, and the first-stage impeller, the second-stage impeller, the third-stage impeller and the discharging opening are arranged in the silo. The first-stage impeller, the second-stage impeller and the third-stage impeller are all installed on the sleeve, the three discharging plates are located between the first-stage impeller and the second-stage impeller, between the second-stage impeller and the third-stage impeller and between the third-stage impeller and the inner bottom of the shell correspondingly, and the discharging openings are located in the downward inclined sides of the discharging plates. A first-stage screen and a second-stage screen are respectively arranged in the centers of the first-stage impeller and the second-stage impeller; according to the centrifugal rice huller, the multiple stages of impellers are arranged to conduct step-by-step hulling on rice with different hulling difficulties, and the effect of improving the hulling uniformity of the centrifugal rice huller is achieved in the mode that the radial length of the centrifugal area of the impellers is shortened.

This utility model relates to the field of cyclone dust removal technology, specifically disclosing a dual-inlet cyclone dust collector structure, including an outer cylinder, which comprises a top cylinder and a conical cylinder connected to the bottom of the top cylinder. An exhaust pipe is installed through the middle of the top cylinder, and a dust discharge valve is fixedly installed at the bottom of the conical cylinder by bolts. Inlet pipes A and B are respectively connected to the two sides of the top cylinder. A spiral guide vane A is integrally formed on the inner wall surface of the top cylinder. This device features dual inlet air intake, increasing the air intake volume. Combined with the spiral guide vane inside the conical cylinder, the airflow forms a more stable rotating flow field after entering the cylinder, reducing the collision between the airflow and the cylinder wall. At the same time, it enhances the centrifugal force, improving the collection efficiency of micron-sized particles. Due to the smooth turning of the guided airflow, turbulence at the bottom of the cylinder can be eliminated. By setting a rotary sealed dust discharge valve at the bottom of the conical cylinder, the accumulated dust is discharged through the rotation of the valve body sealing plate, reducing air leakage at the bottom of the conical cylinder.

This utility model relates to the field of fluid separation technology, and more particularly to a retention chamber for separating mixed gases. The retention chamber has a hollow structure and can be positioned radially distal to the center of rotation of a primary separation device, rotating coaxially and synchronously with the primary separation device, and the two are connected. A Brownian motion suppressor is provided circumferentially inside the retention chamber, which effectively prevents the remixing of different gas components after separation, improving separation efficiency. Simultaneously, the retention chamber has a first end and a second end arranged axially inclined, with the internal space gradually increasing from the first end to the second end. A first exhaust port is located radially proximal to the first end, and a second exhaust port is located radially distal to the second end. This inclined shape allows different gas components to accumulate in different areas, which is beneficial for improving the purity of the separated gas and facilitates disassembly. This retention chamber has a simple overall structure and small size, and can be used to improve various traditional centrifuge devices on the market.

The utility model discloses a scroll compressor exhaust cover oil separation structure which comprises an exhaust cover main body, an exhaust channel is arranged in the middle of the inner side of the exhaust cover main body, an exhaust small hole is formed in the exhaust cover main body above the exhaust channel, and an oil return cavity is formed in the exhaust cover main body at the bottom of the exhaust channel. The inner wall of the end, close to the oil return cavity, of the exhaust channel is a conical face, and an oil content insertion pipe is arranged on the upper portion of the interior of the exhaust channel. The four skewed slots are formed in the bottom of the oil separation insertion pipe, the slotting direction of the skewed slots is the same as the rotating direction of an oil-gas mixture instead of simply passing through the center line of the oil separation insertion pipe, due to the fact that the density of a refrigerant is small, part of the refrigerant can enter the oil separation insertion pipe in advance along with the skewed slots, and due to the fact that the density of refrigerant oil is large, the oil-gas mixture cannot enter the oil separation insertion pipe easily. And the oil can enter the oil return cavity along the wall surface of the oil return channel under the action of centrifugal force, gravity and surface tension, so that a better oil separation effect is realized.

The application relates to a high-efficiency dust-gas separation device for a dust collector, which comprises a dust cup, a support, a cyclone cone, a filter and a bearing. The dust cup is internally hollow and is divided into an upper cyclone chamber and a lower dust collecting chamber. The inner wall of the upper cyclone chamber is formed with a convex rib. The support is clamped on the convex rib of the dust cup, and a first sealing ring is formed between the support and the convex rib. The cyclone cone is clamped on the support. The filter is rotatably locked and detachably connected with the cyclone cone through a fixing frame, and the outer wall of the filter is provided with a rib position plate. The bearing is used to rotatably connect the filter and the cyclone cone, so that the filter can rotate relative to the cyclone cone under the action of airflow. The dynamic rotation design of the cyclone cone and the filter is adopted, centrifugal force is enhanced, dust is more easily thrown to the inner wall of the dust cup, the separation efficiency is remarkably improved, static winding of hair can be avoided, the cleaning frequency and the maintenance cost are greatly reduced, the dust cup can be applied to dust collectors with different powers, the clamping structure can be arranged on the outer wall according to different dust collector models, and the application range is wide.

The utility model discloses a dedusting and recycling device for a feed port of a kiln, which relates to the technical field of dedusting and recycling and is characterized in that an inlet is arranged at the top end of a cyclone separation cylinder, an outlet is arranged at the bottom end of the cyclone separation cylinder, a strip-shaped groove is arranged inside the inlet, and a cover plate covers the upper side of the strip-shaped groove. And a rotating rod is inserted into the cover plate through a sealing bearing. By arranging the rotating rod and the adjusting plate, when dust with small particle size and light density is treated, a worker can reduce the passing size of an inlet by rotating the rotating rod and the limiting block, so that the airflow speed can be increased, the centrifugal force can be effectively enhanced, small-particle dust can be separated more easily, and the dust removal efficiency is improved. A threaded column and a threaded sleeve are arranged, and after the device is used for a period of time, a worker can rotate the threaded sleeve to pull out a cover plate and an adjusting plate from the interior of an inlet together, so that the worker can maintain a rubber ring and the adjusting plate regularly.

The utility model provides a sesame beating machine, which relates to the technical field of food equipment and comprises a mounting frame, a feeding device, a discharging device, a rotary tray and a sesame throwing device. Wherein the rotary charging tray, the feeding device and the discharging device are mounted on the mounting rack, the sesame throwing device is mounted in the rotary charging tray, and the feeding device and the discharging device are both connected with the rotary charging tray; the rotating material disc comprises a rotating material disc body and a rotating motor, a plurality of rotating pieces distributed in an annular array mode are arranged between the rotating material disc body and the mounting rack, the rotating motor is connected with one of the rotating pieces, and the rotating pieces are used for driving the rotating material disc body to do revolution motion around the centers of the rotating pieces. By the adoption of the device for wrapping the sesame on the surface of the spherical food through equipment operation, on the premise that the sesame wrapping efficiency can be improved and the requirements of large-scale production can be met, it can be guaranteed that the sesame is evenly distributed on the surface of the spherical food product, and the sesame is deeply embedded into the surface and is not prone to falling off; and the production efficiency and the product quality are improved.

The utility model discloses a kind of silicon powder recovery devices in industrial silicon furnace flue gas, including equipment base, separator tank, smoke inlet and gas outlet, the inside of the separator tank is movably connected with multiple groups of adjusting mechanism for changing flue gas flow rate, the adjusting mechanism includes fixedly connected on the inner side wall of separator tank fixed pivot, the fixed pivot is movably connected with spoiler through fixed link, and the spoiler is in conformity with the inner diameter of separator tank, the end of the spoiler is movably connected with piston;Through fixed link and the spoiler of pivot connection, and piston is movably connected with the end of spoiler and penetrates tank body, when flue gas quantity is larger and flow rate is too fast, tank pressure rises and pushes piston to move out, drives spoiler to rotate to tank wall, expands flue gas flow range to reduce flow rate, prolongs flue gas residence time, makes silicon powder fully settle.

This invention discloses a blade tip grinding fixture for a gas turbine rotor assembly, comprising: a mandrel, a ventilated pressure plate assembly mounted on the outer circumference of the first end of the mandrel, and a pressure locking assembly threaded onto the outer circumference of the second end of the mandrel. The end face of the first end of the mandrel extends concavely to form an air intake channel, and a first air hole communicating with the air intake channel is also machined on the outer circumference of the first end of the mandrel. The inner end of the ventilated pressure plate assembly meshes with the end face teeth of the first-stage rotor disk and the outer ring end of the sealing top guide disk, forming a sealed air chamber at the outer end of the first-stage rotor disk that connects the first air hole and the guide hole on the guide disk. The pressure locking assembly is used to tighten the mandrel during rotation, thereby clamping and locking the gas turbine rotor assembly axially relative to the ventilated pressure plate assembly and the pressure locking assembly. This invention significantly improves working efficiency while also improving the blade tip grinding quality, ensuring uniform grinding of all blade tips and preventing iron filings from entering the film gas pores during grinding.

The invention relates to the technical field of cyclone dust collectors, in particular to a centrifugal dust collector which comprises an air inlet pipe, an exhaust pipe, a cylinder, a cone and an ash hopper, the air inlet pipe is mounted on the side face of the cylinder and tangent to the cylinder, the exhaust pipe is fixedly mounted on the cylinder and coaxial with the cylinder, the cone is mounted below the cylinder, and the ash hopper is mounted below the cylinder. The ash hopper is installed below the cone, an air spraying pipe is installed at an air outlet of the draught fan, and the pipe diameter of the air spraying pipe is smaller than that of the exhaust pipe. A high-speed air flow is jetted into the exhaust pipe at the position close to the pipe opening of the exhaust pipe according to the Bernoulli principle, bypass air flow is forced to flow into the exhaust pipe under the influence of the flow speed and pressure intensity difference, and therefore the flow speed of inner vortex ascending air flow is increased, and a better effect in a traditional using method can be achieved through a lower-power fan; the problem of vortex dust raising in the ash discharge port is solved, meanwhile, energy consumption of an external fan is reduced, and the purposes of saving energy, protecting the environment and reducing the production cost are achieved.

The utility model relates to the technical field of liquid packaging equipment, and discloses a high-speed liquid packaging all-in-one machine. The high-speed liquid packaging all-in-one machine comprises a filling unit, a cap screwing unit and a first linear synchronizing part. The filling unit is used for filling the high-speed liquid into the bottle body; the cap screwing unit is arranged at the downstream of the filling unit and is used for screwing bottle caps on the bottle bodies; the first linear synchronizing part is obliquely arranged, the two ends of the first linear synchronizing part are connected to the filling unit and the cap screwing unit correspondingly, and the first linear synchronizing part is used for linearly conveying bottle bodies of the filling unit to the cap screwing unit. According to the high-speed liquid packaging all-in-one machine, the filling unit and the cap screwing unit can be connected through a small number of first linear synchronizing pieces and a short conveying distance, the structure is simple and compact, the occupied area is small, the cost is low, and high-speed liquid can be prevented from being splashed out of a bottle body in the conveying process.

The utility model relates to solution mixing equipment technical field discloses liquid phase medium stirring device, including cylinder, fixed mounting fixed frame in the top of cylinder and fixed installation drive motor on fixed frame, the output fixed mounting of drive motor has the pivot, the utility model discloses through setting support assembly, upper elastic plate and lower elastic plate, when the pivot drives the high -speed rotation of stirring blade to the solution agent of cylinder inside stirring, the pivot will also drive support assembly high -speed rotation, owing to centrifugal force, the rotation between upper pivot and lower pivot happens, and drives the sliding of movable sleeve to go up, support assembly and upper elastic plate can be opened up to the diameter of upper elastic plate and lower elastic plate after opening up greater than the caliber of injection hole, the solution of cylinder inside stirring will not overflow through injection hole, effectively avoided the splashing of solution, greatly reduced the risk that the operator contacted harmful solution, guaranteed the personal safety of operator.

The present application relates to dust removal technical field, specifically to a kind of deformable easy ash removal large-area filter bag, comprising: filter bag, for cylinder type;Opening, it is set in the end of filter bag, external spray equipment is towards opening, to carry out spray compressed air to filter bag by opening;The folding mode of filter bag is spiral pleat;And, along the length direction of filter bag, the number of spiral pleat is at least two adjacent sections, and the spiral direction of two adjacent spiral pleats is opposite;Folding support, it is set in the inside of filter bag, to drive filter bag along spiral pleat compression or stretch.The filter bag of the present application is released and unfolded along with folding support, since it is folded according to spiral pleat, centrifugal force is generated when filter bag is unfolded along spiral pleat, can effectively remove the dust with greater surface tackiness of filter material, simultaneously cooperate with the instantaneous release of compressed air at the center of filter bag opening end, so that the dust on the surface of filter bag is efficiently removed.

The utility model discloses a kind of inner spin three-bladed impellers for pump machine, it relates to pump machine field, and its technical solution main point is including blade and the wheel seat for fixing blade, the blade is equipped with several, all blade is welded on wheel seat, wheel hub is fixed in wheel seat axial center, wheel hub inside is equipped with the wheel axle insertion hole for clamping wheel axle, the blade along wheel seat edge is spirally towards wheel seat axial center, reaches the effect of the pump machine installation of large flow, high lift, effectively avoid water vapor etching rate, can prolong service life.

The application discloses a kind of high-temperature high-silicon oilfield produced water reuse multistage desilication and salt removal device, it is related to oilfield produced water treatment technical field, and the oilfield produced water after pretreatment enters cyclone separator by input pipe, and the top outlet end of cyclone separator is interconnected with the bottom inlet end of desilication reaction mechanism, and the top outlet end of desilication reaction mechanism is interconnected with the top inlet end of membrane desalination reactor.The oilfield produced water after pretreatment enters cyclone separator inside by input pipe and is separated, and the oilfield produced water after separation flows into desilication reaction mechanism inside by first connecting pipe tangential flow and forms spiral upward water flow, and the oilfield produced water is desilicated, so that the oilfield produced water is fully mixed with the desilication reagent sprayed by annular distribution pipe, mass transfer efficiency is improved, active seed is uniformly dispersed simultaneously, it is ensured that seed, reagent and produced water are contacted in all directions, silicon slag is generated and wrapped on the outer surface of active seed, and it is ensured that desilication reaction is fully carried out.