38results about How to "Easy to blow up" patented technology

The invention provides an air blower which comprises a shell, a motor, an axial fan, an air blowing pipe and a duct, wherein an air inlet is formed in the shell; air enters from the air inlet; the motor is located in the shell; the axial fan is driven by the motor to rotate to generate an air flow; the axial fan comprises matched and connected with the motor and a plurality of blades mounted on the hub; the air blowing pipe is connected with the shell and is provided with an air outlet; the air flow is blown out of the air outlet; the duct is used for guiding the air flow to move toward the air outlet; the diameter of the axial fan is less than 88mm; the rotating speed of the motor is more than 21000rpm. Compared with the prior art, the air blower provided by the invention has the advantages that the small-diameter fan is driven at a high rotating speed, the power consumption is low, the higher air-blowing efficiency is acquired, the heavier leaves on the lawn and the leaves located in the gaps can be conveniently blown.

The invention discloses a powder conveying device and an application thereof, belonging to the field of pneumatic conveying. The powder conveying device comprises a lifting pipeline, a feeding pipeline and a purging pipeline, wherein the lifting pipeline sequentially comprises a lower flange, a lower straight section, a lower contraction section, an expansion section, a middle straight section, anupper contraction section, an upper straight section and an upper flange from bottom to top; the feeding pipeline is arranged on the expansion section and is connected to the lifting pipeline; the axis of the feeding pipeline is perpendicular to the axis of the lifting pipeline; the purging pipeline is arranged on the expansion pipeline and is connected to the lifting pipeline; and the purging pipeline is located right above the feeding pipeline. The powder conveying device solves the technical problems of the powder conveying device in the prior art that a material dropping phenomenon easilyoccurs, and the pressure drop is large. The powder conveying device is capable of fully mixing powder and gas, has small pressure drop in a conveying process, is simple and operates stably and reliably.

The invention discloses a biomass burning machine of a rotary furnace bridge. The biomass burning machine comprises a main body with a burning inner cavity, wherein the side wall of the main body is provided with an auger communicated with the burning inner cavity, and the upper part of the other side wall of the main body is provided with a spray nozzle communicated with the burning inner cavity; the lower part of the burning inner cavity is provided with a furnace bridge for carrying biomass fuels; a driving motor is arranged at one side or the lower part of the furnace bridge; the furnace bridge is driven to rotate by the driving motor; and while being driven to rotate by the driving motor, the furnace bridge can uniformly distribute the biomass fuels, which are continually delivered in along the auger, on the surface of the furnace bridge, and therefore the condition of insufficient burning caused by the accumulation of the biomass fuels can be avoided.

The invention discloses a casting waste sand regeneration device which comprises a machine enclosure. The machine enclosure comprises a left machine enclosure body and a right machine enclosure body.The right machine enclosure body is arranged on one side of the left machine enclosure body. Rotating rods penetrate through the bottoms of inner cavities of the left machine enclosure body and the right machine enclosure body. A stirring mechanism is fixedly arranged on the outer side of each rotating rod. Each stirring mechanism comprises multiple stirring fan blades. Frosting layers are fixedlyarranged on the inner wall of the machine enclosure and the side faces of the stirring fan blades. A high-pressure air heater is fixedly arranged at the bottom of the machine enclosure, and air inletbranch pipes are arranged on the machine enclosure in a penetrating manner. An air inlet main pipe is arranged at the ends of the air inlet branch pipes. A top plate is arranged at the top of the machine enclosure. Top covers are arranged on the two sides of the top plate. A sealing ring is arranged at the bottom of each top cover in a nested manner. Air outlet branch pipes are arranged on each top cover in a penetrating manner. By means of the casting waste sand regeneration device, the structure of equipment in the prior art is simplified effectively, casting waste sand regeneration is carried out effectively, meanwhile, the equipment structure is quite simple, the equipment cost is low, operation is quite convenient, the regeneration efficiency is effectively improved, and design is reasonable.

The invention belongs to the technical field of carpet beaters, and particularly relates to a carpet beater for treating dust with airflow. The carpet beater comprises a base, a support and an annularbracket, wherein the top of the base is fixedly connected with the support; the top of the support is fixedly connected with the annular bracket; a plurality of sets of telescopic springs are fixedlyconnected to the inner wall of the annular bracket; and a beating mechanism is arranged among the multiple telescopic springs. According to the invention, by arranging the beating mechanism and a buffer type carpet beating mechanism, airflow in a waist drum beating block flows to a carpet airflow blowing mechanism through airflow holes under the beating effect, and dust is treated with the airflow; and therefore, the operation is superior to that in the prior art and is more convenient, beating does not take longer time, the efficiency can be improved, and the dust left at the bottom can be treated.

The invention provides a blower fan comprising a main machine which comprises an outer shell, a motor and a fan. The outer shell comprises a main machine air duct in which the motor and the fan are at least partially accommodated. The motor drives the fan to rotate with a first axis as the axis. The blower fan also comprises an air flow guide component which comprises an air drum used for guiding air flow, and a diversion member capable of guiding a part of air flow in the air drum to flow in other directions deviating from the first axis. The blower fan at least can serve as a dryer. With the diversion member, the blower fan can output combined air flow, and air flow, which deviates from the original guide direction, in the air flow disperses the counter-acting force brought by blowing, so that the feeling of fatigue of users during use is reduced and the operation feel is improved; air flow output at multiple angles improve the blowing effect, so that slice-shaped objects such as leaves can be blown easily.

The invention discloses a rice mill with a paddy screening treatment function. The rice mill comprises a base plate, a rice mill body arranged on the base plate, and a paddy tank formed in the base plate; a sucker is arranged on the rice mill body; a screen plate is arranged at the middle part in the paddy tank; a rotating motor is arranged at the bottom of the screen plate; an output end of the rotating motor is connected with stirring blades arranged above the screen plate; a fan is arranged on the base plate; the fan communicates with the upper part of the paddy tank through a wind pipe; and a magnet is arranged at the bottom of the screen plate. The rice mill is provided with the sucker; paddies only need to be poured into the paddy tank during milling; the sucker can send the paddiesinto a rice inlet hopper, so that both time and manpower are saved, and the working efficiency is improved; and through pretreatment of the paddies, stones or iron blocks cannot be sucked, so that thedamage of the rice mill is prevented, and meanwhile, the reduction of the rice quality is prevented.

The invention belongs to the technical field of ethylene preparation, and particularly relates to a reaction device and process for preparing ethylene through oxidative coupling of methane. The reaction device comprises a first reaction tank, a cyclone separator, a cooler and a second reaction tank. According to the invention, methane and oxygen are introduced from a first gas inlet and a second gas inlet respectively, mixed gas blows a catalyst to rise, a reaction is carried out in the process, the solid of a gas-solid mixture enters a cooler under the action of a cyclone separator and flows through a first reaction tank to complete circulation so as to prevent the catalyst from being accumulated too thick, recycle the catalyst and avoid repeated addition of the catalyst, the separated gas enters a second reaction tank for secondary reaction so as to make the reaction more sufficient, and then the gas is exhausted through an exhaust pipe.

The invention provides a hair dryer. The air dryer comprises a shell, a motor, an axial fan, an air blowing pipe and a duct, wherein an air inlet is formed in the shell, and air enters from the air inlet; the motor is located in the shell; the axial fan is driven by the motor to rotate and generate airflow; the air blowing pipe is connected with the shell and provided with an air outlet, and airflow is blown out from the air outlet; the duct is used for guiding airflow to move towards the air outlet; the duct comprises a flow guide cone, a duct outer cover containing the flow guide cone and a static blade located between the flow guide cone and the duct outer cover; the motor is arranged between the air inlet and the axial flow fan, and the flow guide cone and the motor are arranged on the two opposite sides of the axial flow fan. Compared with the prior art, the hair dryer drives the small-diameter fan at a high rotating speed, so power consumption is lower, higher blowing efficiency can be obtained, and heavier leaves on a lawn, leaves in cracks and the like can be conveniently blown.

The invention discloses a boiling bed for pre-crystallization of polyester yarn production. The boiling bed comprises a machine body, a material box, a stirring shaft, a belt, an air inlet pipe, a heater, a motor and a control box. The invention solves the following problem: in a prior boiling bed, hot air only can be blown from bottom to top, and dust in the hot air cannot be filtered out, so that the dust in the hot air is stuck to polyethylene terephthalate (PET) slices, then the PET slices are polluted, and the quality of produced polyester yarn is influenced; meanwhile, the prior boilingbed is difficult in discharging, so that the PET slices after pre-crystallization are inconvenient to take out from the boiling bed; and during pre-crystallization of PET, the airflow velocity is uncontrollable, so that a part of PET slices are bonded to form blocks. Through improvement of the structure of the boiling bed, air blown into the boiling bed can be filtered by the boiling bed, so thata large amount of dust is prevented from adhering to the PET slices.

The invention discloses an air adjusting device for colored ribbon flying. The air adjusting device comprises a bottom shell, a convex shell is arranged on the end of the bottom shell, and an openingcavity is formed in the convex shell and the bottom shell; a rotating disc is arranged in the opening cavity, a plurality of air adjusting pieces are arranged on the rotating disc, and the cross section of each air adjusting piece is in an arc shape; the outer side wall of the convex shell is connected with an air inlet pipe, an air inlet is formed in the outer end of the air inlet pipe, a conveying opening is formed in the inner end of the air inlet pipe, the conveying opening is formed in the position located on the inner side wall of the convex shell, and the conveying opening communicateswith the opening cavity; a sealing cover is arranged on the end part of the convex shell, an air outlet pipe is arranged on the sealing cover, and an air outlet is formed in the end of the air outletpipe; and the lower end of the air outlet pipe communicates with the opening cavity. Through the air adjusting device, a colored ribbon can be conveniently blown up.