10results about How to "Improve dust filtering effect" patented technology

The utility model discloses a combined type air filter, which belongs to the field of air filters and comprises a filter shell, a filter element is placed in the filter shell, a preliminary filtering structure is placed in the filter shell and at the upper end of the filter element, and the preliminary filtering structure is composed of a bottom frame, a top enclosure frame and a conical filter screen. The top enclosure frame and the conical filter screen are both fixedly installed at the upper end of the bottom frame, the conical filter screen is located on the inner side of the top enclosure frame, the preliminary filtering structure is arranged above the filter element of the filter, the preliminary filtering structure can pre-filter air entering the filter shell, and therefore large particles in the air are blocked, and the air can be effectively filtered. According to the filter element of the filter, large particles are effectively prevented from entering the filter element of the filter, accumulation of impurities on the filter element of the filter is slowed down, the burden of the filter element of the filter is reduced, meanwhile, the filter element of the filter can keep a good filtering effect for a long time, and then the replacement frequency of the filter element of the filter is reduced.

The invention discloses an electric control application cabinet, and relates to the technical field of electric control application cabinets, the electric control application cabinet comprises a cabinet body, a mounting cavity is formed in the cabinet body, an air inlet is formed in the cabinet body, and a heat dissipation opening is formed in the side wall of the cabinet body; an air inlet pipe is arranged in the cabinet body, and connecting columns are slidably connected to the inner pipe wall of the air inlet pipe up and down; the air inlet fan is provided with a rotating shaft extending into the air inlet pipe; when the rotating shaft rotates, the transmission assembly drives the connecting column to reciprocate up and down; the absorbent cotton is positioned between the air inlet fan and the air inlet; the absorbent cotton is positioned between the opposite extrusion strips; when the extrusion strips move to be close to the pipe wall of the top of the air inlet pipe, the control assembly controls the extrusion strips to be close to each other and extrude the absorbent cotton; when the extrusion strip moves to be close to the bottom pipe wall of the air inlet pipe, the control assembly controls the extrusion strip to be away from the absorbent cotton; a water inlet is formed in the top of the water collecting box, and the absorbent cotton is located over the water inlet. The electric control application cabinet can reduce the amount of water vapor entering the electric control application cabinet during heat dissipation.

The utility model discloses a modularization water pump body subassembly of quick detachable, belongs to modularization water pump body subassembly technical field, including base and pump casing, the pump casing sets up at the top of base, the lower surface fixed mounting of pump casing has two plug -in boards, the upper surface of base is seted up with two insertion slot, the plug -in board is inserted in the inner wall of the insertion slot at the corresponding position, the inside rotatory mounting of base has two -way screw rod, one end of two -way screw rod extends out base and fixed mounting has the rotating plate, through setting plug -in board cooperation card board use, after the plug -in board is inserted into the insertion slot, utilizes the rotation of two -way screw rod and drives the threaded plate movement, and under the hinging effect of hinged arm, drives the push -plate and drives the card board movement and is inserted into the card slot, realizes the locking of plug -in board, and then completes the assembly locking of pump casing and base, and the assembly mode does not use bolt, and the assembly structure is simple, and convenient operation avoids the bolt loosening and bolt rust problem that bolt assembly can easily appear.

The present invention discloses an intelligent ventilation system for indoor buildings applied to the field of ventilation. The system monitors the wind speed and direction in real time by adding a wind speed and direction sensor on the basis of an existing intelligent fan, thereby controlling two adaptive wind hoods to face the directions of headwind and downwind respectively, so that the wind can be used to assist the supply and exhaust of air, thereby effectively saving energy consumption. The wind receiving seat receives the action of wind force, thereby causing the moving wind plate and the fixed wind plate to move in an offset manner, which can effectively reduce the supply wind speed in strong wind weather, and can also effectively improve the dust filtering effect of a self-cleaning filter box. In addition, the wind receiving seat is moved to open a channel connecting the outside world with the inside of the self-cleaning filter box, so that the wind can be directly blown into the inside of the self-cleaning filter box for self-cleaning, thereby further effectively improving the dust filtering effect, reducing the burden of rear-end air purification, achieving the supply and exhaust of air with the help of wind force, effectively saving energy consumption, and being able to adapt to changes in wind speed and effectively improving the dust filtering effect.

The utility model discloses an oil screen dust filter with a good dust filtering effect, which relates to the technical field of oil screen dust filters and comprises a dust filter box body, an air outlet pipe is fixedly mounted at one end of the dust filter box body, an air inlet pipe is fixedly mounted at the other end of the dust filter box body, and a plurality of positioning seats A are fixedly mounted at the top in the dust filter box body. Positioning seats B with the same number as the positioning seats A are fixedly mounted at the bottom in the dust filter box body right below the positioning seats A, and a filtering mechanism is arranged between the positioning seats A and the positioning seats B. The two groups of filter elements A arranged in the V shape are arranged in the dust filter box body and are matched with the flow guide plate, so that air entering the dust filter box body can be filtered twice, the flow of the air in the dust filter box body is guaranteed, the air can be finally filtered for the third time through the filter element B, the blocking amount of the filter element B is reduced, the service life of the filter element B is prolonged, and the service life of the filter element B is prolonged. Therefore, the dust filtering effect is improved, and the cleaning period of the filter element A and the filter element B in the dust filter box body is prolonged.

The present invention discloses a waste gas treatment device for a biomass gasifier applied in the field of waste gas treatment. The device adds a star-shaped self-recovering cage frame on the basis of an existing filter bag, and utilizes the shape characteristics of the star-shaped self-recovering cage frame to allow the filter bag to have a more obvious shape change before and after expansion, thereby effectively improving the pulse blowing effect on compacted dust. A bottom enhanced filter bag is added near the air inlet of the main filter bag, and a star-shaped dust filter speed reduction cage frame and an elastic anti-impact ring are arranged inside. The elastic anti-impact ring and the star-shaped dust filter speed reduction cage frame are used to effectively absorb the impact force of dust, effectively improve the impact resistance of the bottom of the filter bag, and the star-shaped dust filter speed reduction cage frame is used to reduce the air flow velocity passing through the bottom enhanced filter bag, thereby effectively reducing the local wear degree of the filter bag, thereby increasing the service life of the filter bag, achieving an improved dust removal effect of the filter bag, and effectively improving the impact resistance of the bottom of the filter bag.

The utility model discloses a pollution gas treatment device in a titanium dioxide production process, which comprises a treatment tank, a dust vibration mechanism is arranged at the top of the treatment tank, the surface of the dust vibration mechanism is respectively in transmission connection with a vibration frame and a dust guide shaft, the inner wall of the vibration frame is rotationally connected with an outer rotating cylinder, and the inner wall of the outer rotating cylinder is rotationally connected with an inner vibration shaft; the inner vibrating shaft and the outer rotating cylinder are both driven by a dust guide shaft, a dirt inlet assembly matched with the dust guide shaft is installed at the axis position of the inner vibrating shaft, and a filter element is fixedly installed on the circumferential side face of the inner vibrating shaft through a three-jaw connecting frame. When the device is used, the adhesion rate of dust on the dust filtering mechanism can be effectively reduced through self-vibration and self-rotation of the dust filtering mechanism, and self-dust-shaking and self-dust-removing of the dust filtering mechanism are achieved through self-vibration and self-rotation of the dust filtering mechanism.

The utility model discloses a combined oil screen dust filter, which belongs to the field of oil screen dust filters and comprises an oil screen dust filter shell, an oil screen structure is fixedly mounted in the oil screen dust filter shell, and a sealing frame is fixedly mounted in the oil screen dust filter shell and on the front side of the oil screen structure. Four mounting base plates are symmetrically and fixedly mounted on the outer wall of the oil screen dust filter shell in pairs, a winding structure is rotationally mounted on the two mounting base plates on the same side, the winding structure is composed of a winding rod, a limiting baffle and a rotating crank, the limiting baffle is fixedly mounted at the lower end of the winding rod, the rotating crank is fixedly mounted at the upper end of the winding rod, and the limiting baffle is fixedly mounted at the lower end of the winding rod. According to the oil screen dust filter, the fiber filter cloth is arranged on the front side of the oil screen structure and can pre-filter polluted gas entering the oil screen dust filter shell, so that large particles in polluted air are blocked, the large particles are effectively prevented from entering the oil screen structure, finally the burden of the oil screen structure can be reduced, and the service life of the oil screen dust filter is prolonged. And the dust filtering effect of the oil screen dust filter is improved.

The utility model discloses an oil screen dust filter with a good dust filtering effect, which belongs to the field of oil screen dust filters and comprises an oil screen dust filter shell, an oil screen component is fixedly mounted in the oil screen dust filter shell, and a large-particle dust deceleration blocking component is fixedly mounted in the oil screen dust filter shell and on the front side of the oil screen component. The large-particle dust deceleration blocking assembly is arranged on the front side of the oil screen assembly and can block large-particle dust in air, so that the large-particle dust is decelerated, and then the large-particle dust falls under the influence of gravity after impacting the large-particle dust deceleration blocking assembly; and finally, dust in the air can be preliminarily filtered, and meanwhile, dust falling on the oil screen assembly can be reduced, so that the oil screen assembly can keep a relatively good dust filtering effect for a long time, and finally, the dust filtering effect of the oil screen dust filter can be relatively good through the cooperation of the large-particle dust deceleration blocking assembly and the oil screen assembly.

The utility model relates to the technical field of coke oven flue gas treatment, and discloses a coke oven ascension pipe flue gas dust collection device which comprises a treatment box, a gas inlet pipe is fixedly connected to the left side of the treatment box, a gas outlet pipe is fixedly connected to the upper portion of the treatment box, and a drain valve is fixedly installed on the front face of the treatment box. A first dust filtering plate and a second dust filtering plate are fixedly connected to the inner wall of the treatment box, the second dust filtering plate is arranged on the right side of the first dust filtering plate, a cleaning mechanism is arranged on the left side of the first dust filtering plate, and a spraying mechanism is arranged between the first dust filtering plate and the second dust filtering plate. According to the flue gas dust collecting device for the coke oven ascension pipe, the cleaning mechanism is arranged, dust is prevented from blocking the first dust filtering plate, the dust filtering efficiency is improved, meanwhile, the dust filtering effect is improved, the spraying mechanism is arranged, water mist is sprayed out to adsorb and settle residual solid particles in flue gas, meanwhile, the spraying range is widened, the flue gas is further purified, and the dust collecting effect is improved. And the treatment effect is improved.