57results about How to "Increase centrifugal force" patented technology

The invention belongs to the technical field of semiconductor processing, and discloses a semiconductor wafer positioning device which comprises a shell, an outer ring is fixedly installed at the top end of the shell, a plurality of guide grooves are formed in the circumference of the upper surface of the outer ring at equal intervals, sliding blocks are slidably connected to the middles of the guide grooves in a sleeving mode, and a plurality of positioning mechanisms are arranged on the circumference of the outer curved surface of the shell at equal intervals. A driving mechanism fills air between a connecting seat and a fixing plate in an inner cavity of a shell to push an adsorption mechanism to move upwards, and a plurality of pressure valves which bear the maximum atmospheric pressure equal to the weight of the adsorption mechanism are arranged, so that when a wafer is separated from a clamping and positioning device and is in contact with an object carrying sleeve, the plurality of closed pressure valves are opened, and the wafer is clamped and positioned. And the wafer slowly pushes the adsorption mechanism to move downwards under the action of gravity, so that the problems of wafer deformation and center offset caused by rigid contact between the wafer and the workbench in the process of directly placing the wafer on the upper surface of the workbench in the existing wafer positioning and clamping device are solved.

The invention discloses a river channel desilting device for water conservancy projects, and belongs to the technical field of water conservancy projects, the river channel desilting device comprises a collecting box used for storing sludge, a sludge pump is fixedly mounted at the top of the collecting box, and a feeding pipe and a discharging pipe are respectively communicated in a feeding port and a discharging port of the sludge pump; the extraction mechanism is used for extracting sludge, and the extraction mechanism comprises a mounting seat, an extraction pipe and a connecting pipe; the dewatering mechanism is used for dewatering sludge and comprises a collecting hopper and a dewatering cylinder, a conveying shaft is rotatably mounted in the dewatering cylinder, a spiral auger is fixedly mounted on the outer side of the conveying shaft, and the collecting hopper is slidably connected to the upper portion of the dewatering cylinder. Through the cooperation of the extraction mechanism and the dehydration mechanism, automatic extraction and dehydration of river silt can be achieved, the crushing mechanism is matched to achieve cutting and scattering of the silt, the scattering effect can be adjusted according to the flowing degree of the silt, the fluidity of the silt is improved, silt blockage is avoided, and the desilting efficiency is improved.

The invention discloses a magnetic drive pump with a heat dissipation mechanism, and relates to the technical field of magnetic drive pumps, the magnetic drive pump comprises a magnetic drive pump main body and a controller, the magnetic drive pump main body comprises a driving motor, a limiting assembly, a driving assembly and a pump body, the limiting assembly is connected with the driving motor and the pump body, the driving motor is matched with the driving assembly, and the driving assembly is connected with the controller. Heat dissipation openings are formed in the two side faces of the exterior of the driving motor correspondingly, heat dissipation assemblies are installed on the two side faces of the exterior of the driving motor correspondingly, the heat dissipation assemblies are matched with the heat dissipation openings, and the heat dissipation assemblies can cool the driving motor, so that when the device is used, heat emission of the driving motor can be accelerated through the heat dissipation assemblies, and heat dissipation efficiency is improved. When the driving motor of the device stops working, the controller can control the heat dissipation assembly to work, workers do not need to manually start the heat dissipation assembly to conduct heat dissipation on the driving motor automatically, and the rotating speed of the impeller can be increased or decreased through the adjusting assembly on the premise that the power of the driving motor is not changed.

The invention discloses a cyclone filter for sponge city rainwater collection, and relates to the technical field of cyclone filters, the cyclone filter comprises a support base, a filter cartridge is fixedly mounted on the support base, and the cyclone filter also comprises a decontamination assembly arranged on the filter cartridge and used for cleaning a fine filter screen and a coarse filter screen in the filter cartridge; the blocking assembly is arranged on the decontamination assembly, so that after the interior of the filter cartridge is blocked, the inlet of the filter cartridge is blocked at the same time; the automatic pollution discharge assembly is arranged in the filter cartridge and is used for automatically cleaning impurities such as silt accumulated in the filter cartridge; and the stirring assembly is arranged above the sewage discharging assembly and is used for increasing the centrifugal force of rainwater in the filter cartridge. According to the device, when the water flow is reduced due to blockage of the filter screen, the decontamination assembly can be automatically triggered, and the filter screen is cleaned through cooperation of the electromagnet and the cleaning brush, so that the problem that the filtering efficiency is reduced due to long-term blockage of the filter screen is effectively avoided, and smooth collection and efficient filtration of rainwater are ensured.

The invention discloses a ball mill with a dustproof structure for producing amino acid from poultry feathers, and relates to the technical field of ball mills. The device comprises a shell, the outer side face of the shell is rotationally connected with the inner side face of a groove plate, end covers are connected to the two ends of the shell through bolts, a transmission assembly is fixedly connected with the top of a bottom plate, the outer side face of a discharging pipe is fixedly connected with the inner side face of the shell, and the side, away from the shell, of the discharging pipe is bent towards the side, close to the bottom plate, of the discharging pipe; the end, away from the shell, of the discharging pipe is in a flat opening shape, the outer side face of the discharging pipe is fixedly connected with a fixing frame, the side, away from the discharging pipe, of the fixing frame is fixedly connected with the top of the bottom plate, the discharging pipe is in the flat opening shape bent downwards, ground feathers can be sprayed out downwards, flying dust is not prone to being generated, gaps of the flat opening shape are small, and the area is not changed. And the material spraying flow speed can be increased, the material spraying volume cannot be affected, smooth discharging can be conducted, and blockage is avoided.

The application discloses a parallel flue gas cooling heat exchanger and relates to the technical field of heat exchangers. The parallel flue gas cooling heat exchanger comprises a flow regulating mechanism and parallel heat exchange pipes installed in the middle of the flow regulating mechanism. A cleaning mechanism is arranged outside the flow regulating mechanism, and a rotating rod is arranged inside the cleaning mechanism. The flow regulating mechanism comprises a flow regulating pipe. An adjusting conical groove is formed in the inner side of the end of the flow regulating pipe. A limiting support is fixedly installed inside the flow regulating pipe. A plurality of limiting sliding rails are slidably connected to the inside of the limiting support. The size of the cooling water flow in each parallel heat exchange pipe is controlled, the water flow in each parallel heat exchange pipe is substantially equal, the cooling water in each parallel heat exchange pipe can be fully exchanged with high-temperature flue gas, insufficient heat exchange caused by insufficient flow of some parallel heat exchange pipes is avoided, the overall heat exchange efficiency can be increased by more than 15%, and the flue gas cooling effect is uniform and stable.

The invention discloses a washing machine and a control method thereof, and belongs to the field of washing machines. The washing machine comprises a dewatering barrel, the dewatering barrel comprises a peripheral wall and a bottom wall, the peripheral wall comprises a first peripheral wall section and a second peripheral wall section which are connected, and the second peripheral wall section is connected between the first peripheral wall section and the bottom wall; a drainage groove is formed in the inner wall of the second circumferential wall section, the drainage groove extends in the circumferential direction and is arranged in a sunken mode, and water permeable holes are formed in the inner wall of the drainage groove. The drainage groove extending in the circumferential direction is formed in the second circumferential wall section, the water permeable holes are formed in the inner wall of the drainage groove, and when the dewatering barrel works at a relatively low rotating speed, water dewatered from clothes can be collected into the drainage groove under the gravity of the water and is drained out of the water permeable holes in time, and the dewatering barrel is particularly suitable for being used when the amount of washed clothes is small. Water can be prevented from being repeatedly absorbed by clothes, the water content of the clothes can be reduced, the dewatering effect is improved, and the use experience of a user is improved.

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 invention discloses a multi-stage impact type rotational flow grading and sorting device, which belongs to the technical field of fine mineral grading and sorting process strengthening and comprises a cylinder, a feeding pipe is arranged on the side wall of the cylinder, a central overflow pipe is arranged at the top of the cylinder, and a conical barrel is arranged below the cylinder. A first impact pipe set, a second impact pipe set and a third impact pipe set are sequentially arranged on the side wall of the conical barrel from top to bottom, and an underflow opening is formed in the bottom of the conical barrel. The cyclone bottom concentration can be diluted, materials at the bottom of the cyclone can be loosened, secondary cyclone classification and separation can be carried out on fine minerals, and therefore the classification and separation efficiency of the cyclone is improved.

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 an air tap type airflow fur cleaning machine and method, and relates to the technical field of cotton processing machinery, the air tap type airflow fur cleaning machine comprises an S-shaped lint cotton pipeline and a fan, the fan is connected with an air duct, two air duct branches are formed at the outlet end of the air duct, one air duct branch is connected to the inlet section of the lint cotton pipeline, and the other air duct branch is connected to the outlet section of the lint cotton pipeline. The other air duct branch is connected to the outlet section of the lint cotton pipeline; an outlet of the air duct branch is provided with an air tap, an air flushing opening is formed between the air tap and the inner wall of the lint cotton pipeline, and air is jetted out of the air flushing opening through the air duct to form air jet. According to the air jet principle, the ginned cotton speed and the wall attachment property of the ginned cotton are improved, the centrifugal force of impurities is increased, the impurities are easily separated in the ginned cotton at the impurity discharging opening, and the impurity discharging rate is increased.

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.

The present invention belongs to the technical field of washing machines, and discloses an inner barrel flange assembly of a washing machine and a washing machine, wherein the inner barrel flange assembly comprises a flange body, a sealing plug body arranged on the flange body, and a driving component, wherein the driving component comprises a centrifugal slider; the centrifugal slider has a driving surface, and the centrifugal slider slides along the radial direction of the flange body, and the sealing plug body contacts and cooperates with the driving surface and moves accordingly. The inner barrel flange assembly of the present invention integrates the sealing plug body and the centrifugal slider on the flange body, has a compact structure, occupies a small space, and the sealing plug body can move with the driving surface of the centrifugal slider. The drainage function of the independent water-containing inner barrel can be realized through a simple mechanical structure, thereby reducing the manufacturing cost.

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.

A sand screening mechanism is arranged in the middle of a machine frame, a water sprinkling mechanism is arranged on the left side of the machine frame, a rotating shaft of a screen drum is subjected to offset treatment, so that when a motor drives the screen drum to rotate, pure circumferential rotation is avoided, eccentric vibration is increased, the vibration amplitude of the screen drum is enhanced, and sand and stone in the screen drum are separated more easily; flying dust generated due to the fact that the vibration amplitude of the screen drum is increased is pressed through the water spraying mechanism, a water pipe of the water spraying mechanism is a universal pipe, the direction can be freely adjusted, the flying dust can be better pressed, pollution is reduced, and the screen drum and the machine frame can be better cleaned in the cleaning process. And in addition, the water sprinkling mechanism can reciprocate, so that the problem that the water sprinkling mechanism only sprinkle water to one position of the screen drum all the time is solved, the workload of a user is reduced, the water sprinkling device can uniformly sprinkle water, and finally the effects of improving the production efficiency and reducing pollution are achieved.

The present application discloses a dust suppression fog cannon device using an eagle eye tracking system, which belongs to the field of dust suppression fog cannons, including a support frame, a barrel mounted on the top of the support frame, and an atomizing assembly mounted on the front end of the barrel, wherein the atomizing assembly includes: an extension plate, which is fixed to the front end of the barrel at equal intervals with the front end opening of the barrel as the center; a rotating fan, which is sleeved on one end of a rotating seat and rotates synchronously with the rotating seat; a water inlet ring, which is mounted on the outside of the front end of the barrel; an annular liquid guide tube, which is mounted on the outside of the extension plate; a wind source assembly is fixed inside the rear end of the barrel, and an air supply tube is fixedly connected inside the barrel between the wind source assembly and the atomizing assembly. The present application changes the ventilation volume inside the air supply tube, so that the water mist near the construction area can be sprayed more widely, increasing the diffusion range of the water mist in a straight line near the construction area, and at the same time, the rotating fan rotates faster, and its centrifugal force is greater, thereby increasing the diffusion range of the width of the water mist near the construction area.

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.

The utility model discloses quantitative dosing equipment for cooling circulating water, which relates to the technical field of dosing equipment and comprises a dosing barrel and a dosing component, a support frame is mounted at the lower end of the left side of the dosing barrel, and the dosing component is arranged outside the dosing barrel and comprises a dosing pipe, a filter, a metering pump, a water supply valve, a liquid level sensor and a water inlet pipe. A filter is connected to the rear end of the dosing pipe, a metering pump is connected to the front end of the dosing pipe, a water supply valve is arranged at the front end of the metering pump, a liquid level sensor is arranged on the left side in the dosing barrel, a water inlet pipe is connected to the left side of the upper end of the dosing barrel, and a mixing assembly is arranged in the dosing barrel. According to the quantitative dosing equipment for the cooling circulating water, through the arrangement of the dosing assembly, the problem that most quantitative dosing equipment does not have the use function of monitoring the dosage of chemicals in a dosing barrel, so that the requirement for the dosage of the chemicals cannot be guaranteed is solved, and the overall practicability of the quantitative dosing equipment is conveniently improved.

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 invention relates to the technical field of stacking machine stand column structures, and discloses a high-position stacking machine stand column structure which is characterized in that a centrifugal assembly and a counterweight assembly are installed on the outer wall of the top of a stand column and used for counteracting inertia force, and the centrifugal assembly pushes hydraulic pressure to adjust the counterweight assembly in the centrifugal process; a movable table is slidably connected between the two stand columns, hydraulic balance assemblies with balanced stress are installed at the tops of the stand columns, and the movable table ascends to push the hydraulic balance assemblies to operate. Through the arrangement of the balancing weight, when hydraulic oil is pushed, the hydraulic oil pushes the movable block to move towards one end of the balancing weight, so that the balance weight of the balancing weight is increased, at the moment, the balance weights on the two sides of the two stand columns are increased, certain downward pressure is applied to the stand columns, and therefore swing caused by inertia is reduced.

The invention discloses an energy-saving and environment-friendly air compressor with a heat recovery function, and belongs to the field of air compressors, the energy-saving and environment-friendly air compressor comprises an air compressor body, a rotor is rotationally arranged in the air compressor body, an air inlet pipe and an air outlet pipe are arranged at the two ends of the air compressor respectively, a motor is fixedly connected to one end of the air compressor, and the rotor is fixedly connected to the motor; the gas outlet pipe is communicated with an oil-gas separation device, the oil-gas separation device is communicated with a heat recovery device, and one end, far away from the oil-gas separation device, of the heat recovery device is connected with a gas storage tank. The device has the effects that heat generated by the air compressor is recycled, and energy is saved.

The invention relates to the technical field of cyclone separation, in particular to a multi-tube cyclone separation device and a cyclone arrangement method.The device comprises a barrel, a first partition plate, a second partition plate and a cyclone separator, wherein one end of the barrel is provided with an air outlet, the other end of the barrel is provided with a discharge port, a first partition plate and a second partition plate are fixed in parallel, and the side wall of the barrel is provided with a feed port; the cyclone assembly comprises an air inlet section and a discharging section, the air lifting assembly comprises a separation section and an air outlet section, the separation section is sleeved with the air inlet section, the end of the air inlet section is fixedly connected with the air lifting assembly, the air outlet section penetrates through the first partition plate, and the part between the air inlet section and the discharging section is fixed to the second partition plate; a separation gap is formed between the air inlet section and the separation section, and one or two inlets in the same extending direction as the cyclone are formed in the air inlet section. The gas inlet section, the separation section and the gas outlet section are utilized, so that the flow speed and pressure of gas flow in different stages are optimized and regulated, it is ensured that the gas flow generates larger centrifugal force in efficient rotation, and the separation efficiency of fine particles is improved.

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.

The utility model discloses a low-noise water pump rotor which comprises a rotor body, a rotating shaft is rotationally connected to the inner wall of the rotor body, an impeller sleeve is arranged at the top of the rotating shaft, a thrust block is arranged on the outer wall of the rotating shaft, a groove is formed in the top of the rotor body, and an insertion strip limiting mechanism is arranged between the thrust block and the rotor body. A limiting fixing mechanism is arranged on the outer wall of the rotor, and a reinforcing limiting mechanism is arranged on the outer wall of the thrust block. According to the utility model, the insertion strip limiting mechanism arranged between the thrust block and the rotor can be used for limiting and fixing by inserting the insertion strip into the insertion hole, relative displacement is avoided, and the rotor and the thrust block can be clamped and fixed by arranging the limiting mechanism, so that relative displacement is further avoided; the reinforcing and limiting mechanism arranged on the outer wall of the thrust block can play a role in further limiting, the purpose of multi-mechanism limiting is achieved, relative displacement is avoided, and the effects of reducing noise and eliminating noise are achieved.