44results about How to "Avoid secondary mixing" patented technology

The invention discloses a vehicular air compressor, comprising a screw air compressor main unit, an oil-air separation tank and an oil-air filter; the oil-air separation tank includes a tank body and a separation barrel arranged in the tank body, the separation barrel includes a barrel body having a V-shaped opening in the upper end, the open side of the barrel body in the V-shaped opening is provided with a first retaining edge mating with the inner wall of the tank body, the other side of the barrel body is provided with a second retaining edge mating with the inner wall of the tank body, the outer wall of the barrel body, the first retaining edge, the second retaining edge and the inner wall of the tank body enclosure an oil-air separation chamber around the barrel body, and one side of the barrel body at the second retaining edge is provided with a guide through hole through which the oil-air separation chamber is communicated with the inside of the barrel body. Oil and air are effectively separated by the oil-air separation tank, the oil content of compressed air delivered from the oil-air separation tank to the oil-air filter is decreased, the service life of the oil-air filter is prolonged, and cost of use is reduced.

The invention discloses a device for controlling rotary gas-liquid mixed flow noise. The device comprises a guide vane assembly (100), a vortex control structure (200), a partition plate I (300), a partition plate II (400) and a partition plate III (500) which are sequentially arranged in a tail gas exhaust pipe (12) in an airflow direction; a resonant chamber I (20) is formed in the inner cavity of the tail gas exhaust pipe (12) between the guide vane assembly (100) and the partition plate I (300), a resonant chamber II (30) is formed in the inner cavity of the tail gas exhaust pipe (12) between the partition plate I (300) and the partition plate II (400), and a resonant chamber III (40) is formed in the inner cavity of the tail gas exhaust pipe (12) between the partition plate II (400) and the partition plate III (500); and each of the partition plate I (300), the partition plate II (400) and the partition plate III (500) is provided with a central through hole and an edge through hole. The device has the characteristic of good de-noising effect.

The invention discloses a device for cleaning profile fibers of negative-pressure seed cotton. The device for cleaning the profile fibers comprises a shell. The interior of the shell is divided into a separating area and a profile fiber collecting area; a feeding port and a discharging hole are connected at the separating area, and an impurity discharging hole is connected at the profile fiber collecting area; wind stopping devices are arranged at the discharging hole and the impurity discharging hole respectively, and an opening and casting roll is arranged at the feeding port; a long-hole dust cage is arranged at the communicating position of the separating area and the profile fiber collecting area, an air hose communicated with the end part of the shell is arranged outside the shell, and a draught fan is connected at the air hose end; and a baffle plate which is approximately tangent to the long-hole dust cage is arranged in the shell, and an impurity brushing device is arranged in the profile fiber collecting area close to the long-hole dust cage. The long-hole dust cage is arranged in the shell of the profile fiber cleaning device, therefore, small profile fibers in the seed cotton can be winnowed by strong negative-pressure wind, the light and small profile fibers are absorbed into a rotary drum and discharged out through an exhausting pipe, a local strong wind area is formed on the surface of the long-hole dust cage through the impurity brushing device when in air separation, and large profile fibers absorbed on the surface of the long-hole dust cage are blown away and collected and discharged through the special separating area so as to prevent the profile fibers from being mixed in cotton secondarily.

The invention discloses a municipal sewage integrated treatment device, which comprises a filtering tank, an oil removal groove, an anaerobic tank, an anoxic tank, an aerobic tank, a precipitation tank, a sludge pump and a control cabinet, wherein the bottom end of the oil removal groove is communicated to the bottom end of the filtering tank through a U-shaped pipe, the oil removal groove comprises an oil-water separation membrane and a backwashing device, the anaerobic tank is communicated to the oil removal groove and comprises a lifting type filler groove, the anoxic tank is connected to the anaerobic tank, and comprises a rotary aeration device, the aerobic tank is connected to the anoxic tank, a cyclone aerator is arranged at the bottom of the aerobic tank, the precipitation tank isconnected to the aerobic tank, and the sludge pump is connected to the bottom end of the precipitation tank, and the control cabinet is respectively connected to the backwashing device, a first waterpump, a lifting motor, a second water pump, an aerator, a rotating motor, a third water pump, the cyclone aerator and the sludge pump. According to the invention, the device has advantages of novel structure, convenience use, good treatment effect and the like.

The invention provides an automatic sludge processing device and method. The device comprises a processing box, a screening area, a layering area and an outputting area are sequentially divided from top to bottom in the processing box, and a main shaft is vertically and rotatably arranged in the processing box; a screening mechanism is arranged in the screening area, and a feeding mechanism is arranged in the screening area and located below the screening mechanism; a layering mechanism is arranged in the layering area, and a driving mechanism is arranged on the top of the processing box; according to the equipment, waste impurities containing water are output to the screening area, and the waste impurities are stirred and screened by a magnetic rotary screening rod, so that magnetic metalin the waste impurities is absorbed by the screening rod, then the waste impurities which are precipitated and layered are pressed, water is discharged, the separating discharging of the magnetic metal and waste water in the waste impurities is achieved, and the automatic discharging of waste water with magnetic metal in the waste impurities is achieved.

The invention provides a carbon nanomaterial screening and scattering device. The carbon nanomaterial screening and scattering device comprises a conveying pipe; one end of the conveying pipe is rotationally connected with a rotating shaft; one end of the rotating shaft penetrates through the conveying pipe, and extends to the external of the conveying pipe; a collecting box is fixedly connected to the bottom of the conveying pipe; a first screening net, a second screening net and a third screening net penetrate through the bottom of the conveying pipe in sequence from left to right; the conveying pipe and the bottoms of the first screening net, the second screening net and the third screening net all penetrate through the top of the collecting box, and extend into the collecting box; andone side of the inner wall of the collecting box is rotationally connected with a rotating plate. The carbon nanomaterial screening and scattering device can achieve more thorough scattering and moreuniform screening of carbon nanomaterials through vibration screening; and the scattered and screened carbon nanomaterials are isolated in different separation layers to prevent secondary mixing afterscreening.

A single-tank packed bed heat storage device following the generalized Murray's law and provided with a bionic choroid structure and a using method thereof, and belongs to the field of energy storage.The problems of low heat storage density, small heat exchange area and uneven heat storage speed in a traditional packed bed heat storage system are solved. The heat storage device is characterized by comprising a storage tank, a bracket is arranged in the storage tank in the form of the bionic choroid structure, heat storage balls with different diameters following the generalized Murray's law are distributed in the storage tank, and the bracket is used for supporting the heat storage balls and preventing the heat storage balls from floating at will. The using method achieves heat storage, heat release and heat storage through the heat storage balls which follow the generalized Murray's law and are provided with the bionic choroid structure. By changing the arrangement mode and size of the heat storage balls in the storage tank, compared with the traditional system, the heat storage system achieves higher heat storage efficiency, higher heat storage density and faster thermal response capability, and the bionic choroid structure is a naturally selected efficient nutrient delivery system which has unique advantages in substance transportation and energy transfer.

The invention discloses a residue and juice separation device for a food processor. The residue and juice separation device comprises a round tube, wherein an inner ring gear is arranged on an inner bearing of the round tube; an annular double-sided gear is arranged on an inner bearing of the inner ring gear; a gear plate is arranged on an inner bearing of the annular double-sided gear; the top sides of the inner ring gear, the annular double-sided gear and the gear plate are positioned in the same conical surface; uniform pointed cones are respectively arranged on the top sides of the inner ring gear, the annular double-sided gear and the gear plate; a plurality of filtering through holes are uniformly formed in the bottom side of the gear plate; the inner ring gear and the annular double-sided gear and the annular double-sided gear and the gear plate are respectively in gear meshing transmission by virtue of transmission gears; supporting plates are arranged below the transmission gears; the supporting plates are fixedly connected with the round tube; and the transmission gears are respectively in bearing connection with supporting plates. The residue and juice separation devicedisclosed by the invention is ingenious in design, pressed fruits are pulled in a dislocated manner by utilizing dislocated rotation of an extrusion plate, the pulp or peel of fruits with high toughness can be torn and then squeezed, and the juice yield of the pressed fruits is improved.

The invention discloses a weeding and soil loosening integrated agricultural device and a using method. The weeding and soil loosening integrated agricultural device comprises a support, a weeding unit, a soil loosening adjusting unit and a soil loosening unit, wherein the support is of an arch structure; the weeding unit is installed on the front side of the interior of the support; the soil loosening unit is installed on the rear side of the interior of the support through the soil loosening adjusting unit; a through groove is formed in the front side of the top of the support; a collectingunit is installed in the through groove; a connecting unit is installed on the front side of the top of the support; the weeding unit comprises a roller shaft, a mounting sleeve, a rotating rod, a grass hook, a pin shaft and a mounting block; the two ends of the roller shaft are rotationally connected with the two sides of the front portion of the support; the middle of the roller shaft is fixedlysleeved with a mounting sleeve; and clamping grooves are distributed in the side face of the mounting sleeve in an annular array mode. The weeding and soil loosening integrated design is adopted, sothat the use efficiency is high, removed weeds are collected and prevented from being mixed in soil secondarily, the weeding efficiency is high, the soil loosening effect of soil loosening equipment is good, and the soil loosening depth is convenient to adjust.

The invention belongs to the technical field of sludge treatment and specifically relates to a sludge dewatering system. The sludge dewatering system comprises a feeding pipe, a dewatering mechanism,a liquid discharging pipeline and a slag discharging device, wherein the feeding pipe communicates with a feeding port of the dewatering mechanism, the dewatering mechanism is used for squeezing sludge, the liquid discharging pipeline communicates with a liquid discharging hole of the dewatering mechanism, and the slag discharging device is located at a slag discharging port of the dewatering mechanism and collects dewatered sludge. Continuous extrusion of sludge in a shell is achieved through revolution and rotation of an arc triangle, so continuous dehydration operation of the sludge is achieved, and the dehydration efficiency of the sludge is improved. The slag discharging device is arranged to be of a movable structure, a material guiding groove moves to a position below the slag discharging hole and is used for guiding sludge to fall towards a conveying belt during slag discharging; and when slag discharging is not conducted, the material guiding groove is removed from the position below the slag discharging hole, and overflowing water drips into a water receiving groove, so secondary mixing of the overflowing water, water and the sludge is effectively avoided.

The invention discloses equipment for extracting precious metal in an automobile exhaust catalyst. The equipment for extracting the precious metal in the automobile exhaust catalyst specifically comprises a base plate, a magnetic ring, a support rotating ball, a mounting frame plate, a top cover, a matched magnetic ring and an extraction device, wherein the base plate is provided with a circular plate body, the magnetic ring is mounted in the middle of the top of the circular plate body, the support rotating ball is mounted at the top of the circular plate body and positioned on the outer side of the magnetic ring, the mounting frame plate is arranged on the outer surface of the circular plate body, the top cover is arranged at the top of the mounting frame plate, the matched magnetic ring is fixed at the bottom of the top cover, the extraction device is arranged on the inner surface of the mounting frame plate, and the extraction device comprises an extraction hemisphere, an I-shaped mounting ring and an exhaust device, wherein the extraction hemisphere is provided with a hemisphere main body; the I-shaped mounting ring is mounted at the top of the hemispherical main body, and the exhaust device is mounted at the top of the I-shaped mounting ring. The invention relates to the technical field of automobile exhaust catalysts. The supporting rotating ball drives the extraction device to enable the extraction device to rotate to shake extracted raw materials, so that the internal extraction efficiency is improved.

The invention provides an efficient live earthworm separating method and a device for implementing the method, and solves the problems that in the prior art, the practical value is low, death or vigorreduction of earthworms is caused easily, the separation speed is low, chemical residues exist, the labor intensity is high, the production efficiency is low and the like. The separating method comprises the following steps: placing a material in a separating container and spraying water to the material; leaving the material standstill until live earthworms migrate to the lower layer of the material; partially stripping impurities; and collecting the live earthworms. The separating device comprises an operation unit, a separating unit and a collecting unit. Water is used as a separating medium, the separating speed and purity of the earthworms are increased, chemical fed product pollution does not exist, secondary mixing of the live earthworms and the impurities is avoided, the productionefficiency is improved, separating operation conditions are improved effectively, the labor intensity of workers is greatly reduced, occupation of the site for separation operation of live earthwormsis greatly reduced, and the practicality and the production efficiency are greatly improved.

The invention discloses a transfer device for an airplane lubricating oil system. The transfer device comprises a box body, an oil supply pipe arranged on the box body, an oil return pipe arranged onthe box body, an oil-gas separation device arranged in the box body and an exhaust pipe arranged on the box body, wherein the oil supply pipe penetrates through the box body and communicates with thebox body, the oil return pipe penetrates through the box body and communicates with the upper part of the box body, the exhaust pipe penetrates through the box body and communicates with the outside of the box body, the oil-gas separation device is arranged at the upper part of the box body, and a gas outlet of the oil-gas separation device communicates with the exhaust pipe. According to the device, a centrifugal oil-gas separator is arranged in the box body, fuel gas and air in lubricating oil can be separated, meanwhile, the separated air and fuel gas are discharged out of the box body, secondary mixing of the air, the fuel gas and the lubricating oil is avoided, a compartment with a heating function is arranged in the box body, the lubricating oil is rapidly heated when an engine is started, severe fluctuation of the lubricating oil due to changes of the attitude of an airplane and the like is prevented, and the box body can be supported in a reinforced mode.

The invention discloses an environment-friendly dust filtering box which comprises an air inlet pipe, an exhaust pipe, a box body, filtering bags, air channels and a dust hopper, wherein the air inlet pipe is fixedly welded on an outer wall on the left side of the box body; the exhaust pipe is arranged above the box body; a bag chamber is arranged in the box body; the filtering bags are arranged in the bag chamber; the filtering bags are horizontally arrayed in a straight line along the horizontal direction; the filtering bags are fixed in the bag chamber in a gridded form; the air channels are formed by the gaps between the filtering bags; the dust hopper is arranged under the bag chamber; an ash conveying device is arranged at the bottom of the dust hopper; a compacting cabin is arranged on the bottom right side of the dust hopper; a dust discharging pipe is arranged under the compacting cabin; the dust discharging pipe is fixed under the box body; a plurality of valve plates are arranged above the bag chamber; and lifting valves are arranged at the tops of the valve plates. The environment-friendly dust filtering box not only can prolong the air flow path but also can increase the practical filtering area, the volume of the practical box body is smaller and the space occupied by the box body is reduced.

The invention discloses a beneficiation machine set, which comprises a rack (A3), a material inlet (A1) and a tailing outlet (A2). The beneficiation machine set is characterized by comprising three parts comprising a vibrating screen (A) for beneficiation, a centrifugal beneficiation machine (B) and a coarse mineral aggregate recycling device (C). According to the beneficiation machine set disclosed by the invention, mineral aggregates are screened by using the three main screening devices, so that recycle rate of the mineral aggregates is increased effectively; and in addition, the beneficiation machine set can be applied to screening mineral aggregates, such as gold ores, tin ores, silver ores and the like, and the collection rate of mineral aggregates can reach more than 93%.