114 results about "Blowpipe" patented technology

The invention discloses a countercurrent suspension type oven, relates to printing equipment and coating machine and laminating machine equipment, and mainly relates to a countercurrent suspension type oven of a photogravure press. The countercurrent suspension type oven comprises two parts including a left half oven and a right half oven, wherein the left half oven and the right half oven are integrally folded relatively during operation, and a printing film passes through a gap between the two half ovens; the left half oven structurally comprises a main air inlet pipe and a main exhaust pipe, a middle air inlet pipe and two side exhaust pipes are arranged inside, and a blowpipe air chipper, an air deflector and an exhaust gas diversion pipe which are engaged to each other are arranged inthe innermost position; and the right half oven structurally comprises a main air inlet pipe and a main exhaust pipe, a middle air inlet pipe and two side exhaust pipes are arranged inside, and a suspension air pipe, a top suspension support plate and an air nozzle which are engaged to each other are arranged in the innermost position. The countercurrent suspension type oven has the beneficial effects that the printing film is in suspension and cannot shake under the combined action of the air chipper and the air deflector of the left half oven as well as the suspension air pipe and the suspension support plate of the right half oven, so that the overprint of the press is accurate, and the front and back sides of the printing film are blown at the same time, so that the drying efficiencyis greatly improved.

A cleaning system (100) for a gas turbine inlet filter (40) mounted to a tubesheet (24). The filter (40) defines an upstream side (46) at which particulates are separated from a fluid stream passing through the filter and a downstream side (48) substantially free of the particulates. The cleaning system (100) comprises a blowpipe (124) for supplying a pressurized fluid. A one-piece nozzle (140) is made from a tubular member having a substantially constant cross-section extending along the length of the member. The nozzle (140) is permanently attached to the blowpipe (124) at a first end portion (142). The nozzle (140) is in fluid communication with the blowpipe (124) to direct a cleaning pulse of the pressurized fluid from a second opposite end portion (144) into the downstream side (48) of the filter (40) to dislodge particulates into the upstream side. An aspirator (180) is formed in the nozzle (140) at an upstream location spaced from the second end portion (144) of the nozzle. The aspirator (180) enables an additional volume of fluid to be delivered from the second end portion (144) of the nozzle (140) than is delivered from the blowpipe (124) to the first end portion (142) of the nozzle. A diffuser (200, 300, 400) is fixed to at least one of the blowpipe (124) and the nozzle (140). The diffuser (200, 300, 400) directs a portion P1 of the cleaning pulse to a proximal portion (50) of the filter (40) located adjacent to the tubesheet (24).

The invention discloses a cleaning and drying device conveniently removing impurities for down feather production and processing. The cleaning and drying device includes a cleaning device, a water inlet pipe, a stirring rod, a transmission belt, a suction opening, a fan, a first water outlet, a protective cover, a protective door, an air-tight door, a spin-dry revolving drum, a second air hose anda blowpipe; the upper of the cleaning device is provided with a feed inlet, the lower of the feed inlet is provided with a rotating rod, the water inlet pipe is located below the left side of the cleaning device, and the cleaning device is internally connected with a first motor through the rotating rod; and the stirring rod is located at the outer side of the rotating rod, the second air hose isarranged in the transmission belt which is provided with through holes, and the through holes are connected with scraping plates. According to the cleaning and drying device conveniently removing theimpurities for the down feather production and processing, the cleaning device is arranged to clean down feather, subsequent processing can be prevented from affection due to impurities in the down feather, and the cleaning of the down feather is facilitated.

The invention relates to a real-time air taking and conveying device and method used in a blast-furnace tuyere in the metallurgical ironmaking process, and belongs to the technical field of machines.The device structurally comprises a rail, a chassis walking mechanism, front and rear chain seats, a rack and an air taking and conveying system. A temperature measurement display is arranged on achassis, the bottom of the rack is fixed on the chassis; a guide rail mechanism parallel to the rail and used for guiding the air taking and conveying system to move is arranged at the top of the rack, the air taking and conveying system comprises a taking and conveying pipe capable of moving in the guide rail mechanism, the tail end of the taking and conveying pipe is connected with a sample tank ora feeding tank through a control valve, and the top end of the taking and conveying pipe enters the blast furnace tuyere small sleeve through a smelting furnace measuring controller and a blowpipe. The method has the beneficial effects that real-time analysis of solid, gas and temperature in the furnace in the blast furnace production process is fully achieved, air blocking with wind, air openingwith wind and material spraying in the blast furnace are fully achieved, the purposes of saving energy and increasing yield are achieved, the blast furnace production efficiency is improved, the costis reduced, the domestic technical blank is filled up, and the world advanced level is achieved.

The invention discloses a wheat impurity removing and drying device for agricultural machinery, and relates to the technical field of agricultural machine.The wheat impurity removing and drying device comprises a feeding box, a discharging box, a dust suction box and a dust suction pipe, the bottom of the feeding box is fixedly connected with the top of the discharging box, and the front face of the feeding box is fixedly connected with the back face of the dust suction box; and the top of the dust suction box is connected with a bottom pipeline of the dust suction pipe, and a first driving motor, a waste collecting box, an air blowing box, a filtering box and a drying box are arranged on the inner wall of the feeding box. Impurities in wheat are cleaned and removed by using a multi-stage blowpipe, the problem of low impurity removal efficiency caused by singly using the blowpipe at present is solved, the moisture content in the wheat is relatively high, the moisture in the wheat can be dried in the process of pushing the wheat through an arranged material pushing shaft, the wheat airing time can be shortened, the dust suction box is used in cooperation, and the dust amount in the feeding box can be reduced in the process that the wheat is poured into the feeding box.

The invention discloses a movable fan cooling device which is used for generating cooling of a double-wall corrugated pipe. The cooling device comprises a centrifugal fan, a blowpipe, an air door, a connecting plate and omni-directional wheels, wherein the centrifugal fan is installed on one end surface of the connecting plate, the omni-directional wheels are installed on the other end surface of the connecting plate, the air door is installed on the air inlet of the centrifugal fan, and the blowpipe is connected with the air blowing port of the centrifugal fan. According to the cooling device disclosed by the invention, by moving the omni-directional wheels, polydirectional cooling is realized, and the difficulties that the fan can not be placed because a workbench is narrow and the like can be overcome, the mode of air cooling is soft, and the temperature fluctuation is relatively stable; the problems that a flaring is distortional, the wave crest of the corrugated pipe is burnt to be broken and the outer wall is coarse and the like caused by overhigh temperature of a module when the double-wall corrugated pipe is molded into a mould are solved; the cooling device has the advantages that the operation is more simple and more convenient, wind power is more moderate, the device does not occupy the narrow space of a machine and can be moved freely, and the production efficiency is effectively improved.

The invention relates to the field of electric power, and particularly discloses a self-adaptive adjustment high-voltage switch complete device which comprises a base, a rain baffle, a cabinet body, a fan, a blowpipe and outer heat dissipation holes. The inner wall of the cabinet body is provided with a vertical movable shielding seat which moves in the vertical direction. Inner heat dissipation holes corresponding to the outer heat dissipation holes in a one-to-one manner are formed in the movable shielding seat, the inclination angle of the inner heat dissipation holes is same as that of the outer heat dissipation holes, and the lower fixed connecting rods below the movable shielding seat at the two sides are fixedly connected to a horizontal connecting plate. The lower side of the connecting plate is fixedly connected with an elastic expansion part covering the bottom of the cabinet body, and the elastic expansion part is filled with thermal expansion fillers. When heat dissipation is needed, the outer heat dissipation holes directly correspond to the inner and outer heat dissipation holes, so that the internal hot air is directly exhausted, and the internal temperature is rapidly reduced; the heat dissipation function is started through thermal expansion filling and elastic expansion part driving and directly adapts to the internal temperature.

The invention discloses a method for reducing the content of soluble impurities in waste water by using an air-liquid impact mixing reaction system. The air-liquid impact mixing reaction system is used for treating waste water containing COD, BOD, ammonia-nitrogen, S<2-> and other impurities; the reaction system comprises a circulation solution storage case, a liquid impact tube, an air blowpipe, a circulating water pump, an air supplying device, etc.; the circulating water pump and the air supplying device are started, and the waste water is introduced from a water inlet and ejected from the lower end of the liquid impact tube at a high speed and impacts a baffle plate; air or ozone-containing air is ejected from a branch air blowpipe at a high speed and impacts the baffle plate; a foam reaction zone is formed due to high-speed impact mixing of the air and the liquid; reacted clear water flows into an overflow groove and is discharged from a water outlet; and reacted gases are directly discharged from a gas outlet. The method is easy, low in cost, capable of highly efficiently reducing the contents of COD, BOD, ammonia-nitrogen, S<2-> and other impurities in the waste water, free of secondary pollution, simple in used devices and suitable for large-scale application.

The invention provides an air blower. The air blower comprises an air inlet cover; a machine shell which is connected with the air inlet cover; a fan which is arranged in the shell;a motor which is fixedly installed through the machine shell and drives the fan to rotate to generate airflow; a blowpipe which is connected with the end, back to the air inlet cover, of the machine shell and used for guiding out airflow generated by the fan, and the blowpipe is provided with an extending axis; a supporting rod, the first end of the supporting rod is provided with a holding part for an operator to hold, the second end is connected with the air inlet cover and / or the machine shell, the projection of the second end falling in any plane perpendicular to the extending axis in the extending axis direction is always located in the outer contour of the projection of the air inlet cover falling on the same plane in the extending axis direction, and at least the machine shell and the supporting rod are connected between the holding part and the motor. The blower provided by the embodiment of the invention is relatively small in size and relatively good in operation portability; and the supportingrod and the motor are arranged at intervals, vibration of the motor cannot be transmitted to the holding part through the supporting rod, a user feels more comfortable during holding, and the operation experience is better.

The invention discloses a water replenishment method and a water replenishment system of a supercritical unit steady pressure steam blowpipe. The water replenishment method of the supercritical unit steady pressure steam blowpipe includes the steps of calculating the water consumption G during the steady pressure steam blowpipe, and according to the water consumption G, designing a supercritical unit steady pressure steam blowpipe water replenishment system. The water replenishment system designed by using the supercritical unit steady pressure steam blowpipe water replenishment method includes a desalting water box, a first connecting pipe, a desalting pump, a coagulation filling water box, a second connecting pipe, a coagulation filling pump, a gas coagulation device, a water replenishment pipe and a water replenishment pump. The water replenishment method and the water replenishment system of the supercritical unit steady pressure steam blowpipe have the advantages that the problemthat chemical water replenishment and boiler water are not matched is solved; the water using demand of boiler steady pressure steam blowpipe is met; and efficiency and safety of a thermal power generating unit capital construction process are improved.