10results about How to "Play a filtering role" patented technology

The invention provides a motor structure for a warm air blower, and relates to the technical field of motors, the motor structure comprises a motor assembly, a motor main body is fixedly installed in the motor assembly, output shafts on the left and right sides of the motor main body are fixedly provided with motor fan blades, and the back surface of the motor assembly is provided with an air inlet hole. An exhaust frame is arranged on the front side of the motor assembly, an air inlet fixing frame is fixedly installed on the rear side of the motor assembly, an air penetrating groove is formed in the air inlet fixing frame, the air inlet holes are communicated with the air penetrating groove, and air enters the air inlet holes in the motor assembly through the air penetrating groove and is finally exhausted through exhaust holes in the front sides of the two motor fan blades. Air enters the exhaust frame and then is exhausted through the exhaust frame, the air sucked by the motor assembly is filtered through the filter screen frame and then is exhausted through the exhaust frame, it is guaranteed that the entering air is clean, the exhausted air is subjected to secondary filtering through the exhaust frame, and the dual air filtering effect is achieved.

This utility model relates to the field of exhaust structures, specifically an exhaust mechanism for a heating boiler, comprising: an air guide pipe and a water guide pipe, the ends of which are close to the boiler and connected to the surface of the boiler; an exhaust device installed at the end of the air guide pipe away from the boiler, the surface of which is connected to the end of the water guide pipe; wherein, the exhaust device includes a filter assembly fixedly connected to the end of the air guide pipe, and a servo motor is fixedly connected to the surface of the filter assembly; the device preheats the liquid inside the preheating chamber by passing high-temperature gas through a second vent pipe and multiple first vent pipes. Because the first vent pipe is spirally shaped to extend the flow path of the high-temperature gas, the gas heat exchange time is extended, and the spiral plate increases the contact area for heat exchange, thus preheating the water inside the boiler body, avoiding the waste of some of the heat energy generated inside the boiler body, and improving the energy efficiency of the device.

The utility model relates to the technical field of fresh air exchange, in particular to a fresh air exchange mechanism of an embedded fruit and vegetable refrigerated container, which comprises an inner mounting plate, an outer mounting plate, an air inlet pipe and an exhaust pipe, and is characterized in that air inlets and air outlets are formed in the side surfaces of the inner mounting plate and the outer mounting plate; an air inlet pipe is fixedly installed at the position, corresponding to the air inlet, between the inner installation plate and the outer installation plate, an exhaust pipe is fixedly installed at the position, corresponding to the air outlet, between the inner installation plate and the outer installation plate, and an elbow is fixedly connected to the position, corresponding to the air inlet, of the side, away from the outer installation plate, of the inner installation plate. The device has the advantages that the double-shaft steering engine drives the turning plate to rotate through the transmission shaft, so that the air circulation sectional area inside the air inlet pipe and the air exhaust pipe is adjusted, the purpose of adjusting the air inlet and exchange amount is achieved, a worker does not need to climb to the refrigerated container for adjustment, operation is facilitated, and the purposes of saving time and labor are achieved.

The utility model discloses a kind of fire powder weight counting devices for spitting bead type firework production, including support plate, fire powder tank is provided in the upper portion of support plate, collecting box is installed in the bottom of fire powder tank, support frame is fixed in the side of support plate, and the support frame supports and positions collecting box, the top of fire powder tank is provided with the air pressure adjusting assembly being communicated with its inner cavity, the upper portion of the side of fire powder tank is provided with the feeding assembly being communicated with its inner cavity.The fire powder weight counting device for spitting bead type firework production, fire powder weighing process is in sealed environment, reduce the amount of fire powder floating to outside, reduce the hidden danger of production safety while avoiding fire powder waste, the device is fed and discharged by adjusting the air pressure in fire powder tank to control fire powder, convenient for the replenishment of fire powder in fire powder tank, while avoiding fire powder to be jammed in discharging assembly by static friction, ensure that fire powder is effectively discharged and weighed, facilitate the production preparation of fireworks.

This invention relates to the field of agricultural irrigation, specifically to an integrated water and fertilizer irrigation device for fruit and vegetable cultivation. It includes a base plate, a frame, a controller, a feeding mechanism, a water conveying mechanism, an adjusting mechanism, and two sets of sprinkler irrigation mechanisms. The frame is fixedly mounted on the base plate. The feeding mechanism includes a storage bin, a feeding assembly, a conveying assembly, and a crushing assembly. The water conveying mechanism includes a mounting frame, a mixing bin, a level sensor, a water supply assembly, and a stirring assembly. The adjusting mechanism includes a sliding assembly and a water supply assembly. Each set of sprinkler irrigation mechanisms includes a swing assembly and an adjustable spray assembly. The swing assembly is fixedly mounted on a corresponding sliding assembly, and the adjustable spray assembly is fixedly mounted at the bottom of the swing assembly. This invention allows for integrated water and fertilizer irrigation of fruits and vegetables by pre-filling fertilizer into the feeding hopper and operating the controller to open two manual valves at appropriate times. It is convenient, fast, safe, and efficient, greatly improving the fertilization efficiency for fruits and vegetables.

The utility model provides powder production equipment and a powder production line with the same, and the powder production equipment comprises a filtering device and a homogenizing device, the communicating channel is arranged between the filtering device and the homogenizing device, and the materials flow to the homogenizing device from the filtering device through the communicating channel; and the inflating device is communicated with the communicating channel and is used for inflating the materials in the communicating channel. According to the technical scheme, the problem that in the prior art, the powder particle size adjusting effect is not obvious is effectively solved.

The utility model discloses an electrode formula liquid level controller, aims at solving the problem of the existing product probe rod installation inflexible, wire arrangement is not reasonable, protection and installation are inconvenient and so on, the liquid level controller top is equipped with electrical cavity, and its lateral surface has electrical interface, and below has the mounting seat, and the mounting disc ring of electrical cavity top is equipped with the probe rod, and the bottom has the electrode sheet, and the inside of mounting disc has the adjusting clamp, and it is convenient to adjust the probe rod position interval, and the wire of probe rod top is connected with the wire connection disc plug -in interface electrically through the wire placement groove, and the control ware below's protective tube is connected with the protective tube connection flange thread connection, and the bottom is equipped with the screen, and the protective tube is stainless steel material and has the pressure balance hole, and the mounting seat below is equipped with the mounting flange for fixed, and the liquid level controller improves the liquid level detection accuracy, equipment operation stability, and the installation and maintenance are convenient, and have good application prospect.

The utility model discloses a convenient connecting structure for regular backwashing of activated carbon, which belongs to the technical field of water treatment and comprises a first fixing pipe, a second fixing pipe and a conveying hose, an on-off valve is arranged on the first fixing pipe, an adjusting valve is arranged on the second fixing pipe, and the on-off valve and the adjusting valve are both connected with connecting pipes. Through the arranged connecting assembly, the annular groove is formed in the fixed flange and used in cooperation with the movable flange and the rubber sealing ring, the sealing performance after connection can be ensured, the movable flange can rotate on the hard pipe and is used in cooperation with the check block and the bolt, the movable flange can be rotated in the installation process to adjust and align the hole position, and connection and fixation are facilitated; the filter assembly has a filtering effect on backwashing water, impurities are prevented from entering the activated carbon tank to influence subsequent use of activated carbon, the filter frame is inserted into the mounting sleeve, the filter frame can be quickly mounted and fixed, and the filter frame can be quickly dismounted for cleaning and other operations.

The utility model discloses a topsoil stripping and collecting device. According to the technical scheme, a brand-new surface soil feeding mechanism is designed, and surface soil is continuously transferred into a screen drum by adopting a conveying mechanism which runs synchronously, and is respectively collected after being filtered. Specifically, the bucket with the transverse rotating roller is installed on the front portion of the vehicle body, and in the advancing process of the vehicle, surface soil is continuously shoveled into the bucket and pushed to a feeding opening through the spiral belt rotating along with the rotating roller; and meanwhile, the polygon prism frame located on the upper portion drives the U-shaped rod to rotate, the loosening effect on the surface soil thick layer is achieved, and surface soil collection is better achieved. Surface soil reaching the feeding port continuously enters the screen drum under the action of the conveyor, the filter screen located in the middle of the screen drum plays a role in filtering, and filtering is completed under pushing of the transverse rod. And the fine soil is collected in the lower sinking groove and can be bagged for later-stage covering. The surface soil collecting device is higher in surface soil collecting efficiency, time-saving and labor-saving, and has outstanding technical advantages.

The height-adjustable anti-blocking municipal well lid comprises a well mouth, a mounting seat is fixedly connected to the top of the inner wall of the well mouth, transverse plates are fixedly connected to the bottoms of the two sides of the inner wall of the mounting seat, threaded rods are rotationally connected to the middles of the two transverse plates through bearings, and sleeves are connected to the surfaces of the two threaded rods in a threaded and sleeved mode. The top ends of the two sleeves are fixedly connected with a pedestal, a cover plate is clamped to the inner wall of the pedestal, a through opening is formed in the bottom end of the mounting base, a screen frame is mounted on the inner wall of the through opening, a filter screen is fixedly connected to the inner wall of the screen frame, grooves are formed in the two sides of the inner wall of the through opening, and elastic pieces are fixedly connected to the inner walls of the grooves. According to the height-adjustable anti-blocking municipal manhole cover, the height of the cover plate can be adjusted so that the cover plate can be flush with the surface of a road, potential traffic safety hazards caused by height difference are avoided, the filter screen is arranged to filter sundries such as garbage, and the sundries are prevented from entering a pipeline system to cause blocking.