32results about How to "Unobstructed air intake" patented technology

The embodiment of the invention provides a circulating water emptying and collecting device of a closed cooling tower, and relates to the field of closed cooling towers. The circulating water emptying and collecting device of the closed cooling tower comprises a cooling tower box body assembly and a cold area pipe assembly. A fan injects air into a layered S-shaped cold area pipe and a first U-shaped communicating pipe, circulating water in the layered S-shaped cold area pipe and the first U-shaped communicating pipe is discharged through a first water discharging pipe under the action of gravity and air pressure till the layered S-shaped cold area pipe and the first U-shaped communicating pipe have no circulating water and are filled with air, the situations that due to condensation of the circulating water, the layered S-shaped cold area pipe and first U-shaped communicating pipe are blocked, and normal use of the closed cooling tower is affected are reduced, when most filtering holes in the outer wall of a filtering piece are blocked by pollutants, a sweeping piece is opened, the pollutants on the outer wall of the filtering piece are swept off through the sweeping piece, air inlet is smooth, and meanwhile, manual cleaning is reduced.

The invention discloses internet of things control-based smart home, and relates to the technical field of smart home. The internet of things control-based smart home comprises a shell, a movable groove and an exhaust pipe, wherein the movable groove is formed in one side of the shell, the top and the bottom of the other side of the shell communicate with the exhaust pipe, a first clamping grooveis formed in the top of the movable groove, a connection plate is fixedly connected with the top of an inner wall of the first clamping groove, and first movable rods are rotatably connected with twosides of the bottom of the connection plate. In the internet of things control-based smart home, the first clamping groove is formed in the top of the movable groove, the connection plate is fixedly connected with the top of the inner wall of the first clamping groove, so that dust plugged in an air inlet is convenient to clean, smooth air suction is ensured, and an application effect of a purifier is more excellent; and an output end of a dust sensor is electrically connected with an input end of a data comparator by a wire, an air purifier is controlled by an intelligent mode, and the internet of things control-based smart home is simple to operate and convenient to use and has better practicability.

The invention provides a thermal expansion turbine steam turbine, and relates to the technical field of steam turbines. The thermal expansion turbine steam turbine comprises a spiral fan compressor, a turbine steam turbine body, a starting assembly and a thermal expansion device; the spiral fan compressor comprises a sealed barrel, a gas gathering barrel is arranged in the sealed barrel, a conical wheel is arranged in the gas gathering barrel, and spiral fans are arranged on the outer side wall of the conical wheel; an air chamber rotating channel is formed among every two adjacent spiral fans, the outer wall of the conical wheel and the inner wall of the gas gathering barrel, and the cross section area of each air chamber rotating channel is gradually reduced from the tip end of the conical wheel to the other end of the conical wheel; and the thermal expansion device communicates with an exhaust port and the turbine steam turbine body; The thermal expansion turbine steam turbine further comprises a rotating shaft, the turbine steam turbine body comprises a turbine cylinder and a turbine rotationally arranged in the turbine cylinder, and the turbine is provided with turbine plates in the axial direction of the turbine; the turbine cylinder is composed of a cylindrical barrel body and sealing cylinder covers arranged on the circular bottom faces on the two sides, and the sealing cylinder covers are provided with bearing sleeve combination devices; the turbine cylinder is formed into an upper half cylinder and a lower half cylinder; and the turbine is a hollow barrel body. The thermal expansion turbine steam turbine is low in energy consumption, high in thermal efficiency and high in single-machine power.

The invention provides a distributed energy emission regeneration device. The distributed energy emission regeneration device comprises a base; a filter box fixedly mounted at the top of the base; a filter screen movably mounted in the filter box in a sealed manner, wherein the top of the filter screen extends out of the filter box; a fixed block fixedly mounted on the filter screen; two clamping grooves symmetrically formed in the fixing block; two supporting rods symmetrically mounted on the filter box in a sliding manner; a connecting block fixedly mounted at the top end of the supporting rod; and clamping blocks fixedly installed on the connecting blocks, wherein the clamping blocks are movably connected with the inner walls of the corresponding clamping grooves. The distributed energy emission regeneration device provided by the invention has the advantages that the use is convenient, the emission can be converted and regenerated, the environment is protected, and meanwhile, the waste is avoided.

The invention discloses a supercharged air filter auxiliary device for a vehicle engine, which includes an air pipe communicating with an intake end of the vehicle engine, wherein an inner wall of theair pipe is rotationally connected with a filter screen; the filter screen is provided with a blower at a side close to the engine; the two sides of the filter screen are provided with an air returnpipe and an air guide pipe respectively that are abutted against the two sides; the air return pipe and the air guide pipe are fixed to the inner wall of the air pipe; the air guide pipe is a straightpipe having two communicating ends; the air return pipe is a bent pipe having one end in contact with the filter screen; the end of the air return pipe away from the filter screen is in communicationwith a side pipe; the side pipe communicates with the air pipe; the communication position of the side pipe and the air pipe is located on the air outlet side of the blower; and the air return pipe is opposite to the corresponding air guide pipe. The supercharged air filter auxiliary device has advantages that when the blower pumps air, the filter screen produces a preliminary filtering effect onthe pumped air, making the air entering the air filter body relatively cleaner, reducing the working load of the air filter body and extending its service life.

The invention relates to an air filtering device and aims to solve the technical problems of proneness to blockage and failure of an existing vehicular air filtering device under severe conditions. The vehicular air filtering device comprises an air outlet pipe, a cap of an interlayer structure is arranged at the top of the air outlet pipe, the internal diameter of the cap is consistent with the external diameter of the air outlet pipe, and the inner wall of the cap is provided with an annular vent hole communicated with an inner cavity of the cap. A lifting device is arranged on the cap and can drive the cap to move up and down at the top of the air outlet pipe, a primary-filtering filtering element is arranged in an air inlet passage at the bottom of the interlayer of the cap, an annular air feeding pipe is arranged in a top hollow cavity of the interlayer of the cap and is connected with a high-pressure air pipe through a flushing electromagnetic valve, and a plurality of air nozzles are arranged on the air feeding pipe and point to the primary-filtering filtering element. The vehicular air filtering device is reasonable in structure and simple and convenient to operate and can be widely mounted on vehicles frequently working in severe environments.

The invention discloses an air feeding device of a mining car engine. The device is located at an air feeding part of the mining car engine. The air feeding device comprises a framework and a net cover; particularly, the net cover is provided with a plurality of long-strip separation sieves; the total transparent area of the long-strip separation sieves is more than 1/2 of the area of the net cover; and the air feeding device has the advantage of large air feeding area. Compared with the traditional air feeding device of the mining car engine, the air feeding device of the mining car engine disclosed by the invention has the advantages that the air feeding net cover with a large area is adopted so that air feeding of the air feeding net cover is smooth and the resistance is small; and the air feeding device of the mining car engine has better cooling effect on a water tank of the mining car engine.

The invention relates to a single-output-shaft liquid ring type vacuum pump internally provided with a sliding bearing, and belongs to the technical field of vacuum obtaining equipment. The single-output-shaft liquid ring type vacuum pump comprises a pump body, a pump shaft penetrates the pump body, and the first end of the pump body is sequentially provided with a distribution disc, a first pumpcover, a mechanical seal base and an outer bearing block. The first end of the pump shaft penetrates the distribution disc, the first pump cover, the mechanical seal base and the outer bearing block.The second end of the pump shaft penetrates a sliding bearing block with one end closed. A second pump cover is arranged at the outer portion of the sliding bearing block, and a seal cover is arrangedbetween the second pump cover and the pump body. The pump shaft penetrates the seal cover. The single-output-shaft liquid ring type vacuum pump is simple in structure, few raw materials are consumed,the manufacturing cost is low, the occupied area is small, the sealing performance is good, running is safe and reliable, and installing and maintaining are convenient.

The invention discloses a multi-cylinder plunger compressor. The compressor comprises a machine base, an air collecting hood and cylinder cover assemblies, wherein at least one air cylinder assembly is connected to the machine base through a first bolt; The air collecting hood is arranged on the machine base through a second bolt matching the air collecting hood; and the cylinder cover assemblies are arranged on all the cylinder assemblies wherein each air cylinder assembly is connected to a sliding piston in the machine base into a whole through a locking nut matching the air cylinder assembly, a first one-way air inlet valve and a one-way air outlet valve which match a piston on the air cylinder assembly are arranged on a cylinder cover of the cylinder cover assembly, and a plurality of second one-way air inlet valves are arranged on the piston. According to the multi-cylinder plunger compressor, when the piston moves downwards and is in an air suction process, air inlet is performed through the cylinder cover and the one-way air inlet valves arranged on the piston at the same time, a sectional area of air inlet is expanded, and compared with a traditional compressor, the air suction efficiency and the compression efficiency are greatly improved, and the compression efficiency and the air conveying capacity of a pump are improved.