4590results about How to "Improve dust removal effect" patented technology

The gas adsorption sheet of the present invention has a granular activated carbon-containing sheet comprising a granular activated carbon having an average particle diameter of 60 to 600 mum, a supporting fiber for fixing the granular activated carbon in contact with it, and an adhesive fiber which mainly contributes to shape retention. An air-purifying filter of the present invention is obtained by forming the gas adsorption sheet into a shape of pleats or wave. A method for producing a gas adsorption sheet of the present invention comprises a step of forming a granular activated carbon-containing sheet by using an aqueous slurry containing a granular activated carbon, a supporting fiber and a water-swelling adhesive fiber.

The invention discloses a dry sand maker which comprises a hollow crushing cavity (2). A hollow dust removal cavity (5) is arranged under the hollow crushing cavity (2); the upper end of a feeding channel (6) is hermetically connected with a feeding mouth (22) and the lower end (61) thereof is positioned in the dust removal cavity (5) on which an air vent (7) is also arranged; an air duct (8) is arranged in the dust removal cavity (5); the lower end (61) of the feeding channel (6) is staggered with the upper end (81) of the air duct (8) in the horizontal direction; the bottom surface of the dust removal cavity (5) is provided with an outlet (51); a dust absorption component is hermetically connected with the lower end (82) of the air duct (8) or the air vent (7) after passing through the outlet (51). The invention also provides a method for drying sand making simultaneously. By adopting the dry sand maker, the drying sand making can have the advantages of high production efficiency and low environmental pollution.

The invention discloses a boiler fuel gas dedusting purifying device. The boiler fuel gas dedusting purifying device comprises a dedusting chamber; the left side of the dedusting chamber is fixedly provided with an extension board; the extension board is fixedly provided with a driving motor; the driving motor is fixedly provided with a driving shaft; the right end of the driving shaft is fixedly provided with a driving bevel gear; the upper end of a driven shaft is fixedly provided with a driven bevel gear; the driven shaft is fixedly provided with a plurality of blades; the blades are uniformly fixedly arranged on the external surface of the driven shaft along the circumferential direction; two slide bars are arranged on the dedusting chamber; the upper side wall of the dedusting chamber is penetrated by the two slide bars; each of the slide bars is provided with a brushing board; the right side surface of each brushing board is fixedly provided with a hairbrush; the top of the dedusting chamber is provided with a desulphurization tank; one end of a conveyer pipe far from an air pump is provided with an aeration disc; the top of the desulphurization tank is provided with an exhaust pipe. The boiler fuel gas dedusting purifying device is excellent in dedusting filtering effect; flue gas is introduced into the aeration disc for aeration processing, so that sulfides in flue gas are absorbed by a desulfurizer completely, desulphurization effect is excellent; and environment protection emission is realized at last.

The invention discloses a copper wire winding device with a cleaning function. The copper wire winding device comprises a bottom plate. A left vertical plate and a right vertical plate are verticallyand fixedly arranged on the bottom plate. The upper end of each of the left vertical plate and the right vertical plate is vertically and fixedly provided with a vertical shaft. A pressing plate is horizontally arranged above the left vertical plate and the right vertical plate. The outer surface of a driving shaft is sleeved with and fixedly provided with a winding roller. A horizontal rod is horizontally and fixedly arranged between the left vertical plate and the right vertical plate. A sliding sleeve is fixedly provided with a limiting ring, and a copper wire penetrates the limiting ring.Straight racks are horizontally and fixedly arranged on the upper inner side wall and the lower inner side wall of a concentric-square-shaped frame. The copper wire is wound through the winding roller, the sliding sleeve is driven by the concentric-square-shaped frame to reciprocate left and right along the horizontal rod, accordingly, the limiting ring is used for driving the copper wire to reciprocate left and right, the copper wire is prevented from being excessively centralized at one position of the winding roller, and the copper wire is evenly wound around the winding roller; and a brushand the copper wire relatively rotate in the copper wire winding process, a very good dust removing effect is achieved, and the winding quality is improved.

The invention relates to a dust removal device for a circuit board, particularly to a high-efficiency dust removal device for the circuit board. The invention technically aims to provide a high-efficiency dust removal device for the circuit board, with the advantages of time and labor saving, high dust removal speed and capability of collecting falling dust in the dust removal process but without influence on surrounding environment. According to the above technical scheme, the invention provides a high-efficiency dust removal device for the circuit boards, comprising a frame, a collection box, fixed blocks, a holding plate, etc.; the collection box is installed in the middle of the inner bottom of the frame through bolted connection, and the fixed blocks are symmetrically installed at the left and right sides of the frame top through bolted connection. In the invention, the circuit board can be cleaned through moving a brush right and left; at the same time, air is ejected from an air outlet pipe to blow dust on the circuit board to speed up dust removal of the circuit board.

The invention relates to an automatic dust removal heat dissipation monitoring camera. The automatic dust removal heat dissipation monitoring camera comprises a shell and a lens. A heat absorption cavity is fixed in the shell. An electromagnet element is mounted at the bottom of the heat absorption cavity. An air jet hole is arranged at the top of the heat absorption cavity. An air guide tube communicates with the air jet hole. The air outlet end of the air guide tube stretches out of the shell and is close to the lens. A piston plate made of a ferromagnetic material is mounted in the heat absorption cavity in a sliding mode. The piston plate and the electromagnet element are connected through a pressure spring. A unidirectional air inlet tube is mounted on a side wall of the heat absorption cavity. The unidirectional air inlet tube is close to the top of the heat absorption cavity. A normally closed pressure valve is mounted at the air jet hole. The normally closed pressure valve is close to a pressure sensitive switch. The pressure sensitive switch is connected with the circuit of the electromagnet element in series. The monitoring camera is simple in structure and convenient to maintain, and the service life is effectively prolonged.

A wrought fiber sheet or air cleaning filter unit that exhibits high performance and is biodegradable so as to enable reducing load upon environment. The wrought fiber sheet is produced by coupling biodegradable fiber sheets having electret properties by means of a configuration reinforcing member of a biodegradable material. Further, the frame for accommodating the wrought fiber sheet is also constituted of a biodegradable member so as to obtain an air cleaning filter unit that exerts biodegradability as a whole.

The invention discloses degradable composite spunlaced nonwovens with thick and soft feel, fine water absorptivity and good dedusting effect and a manufacturing method thereof. For the degradable composite spunlaced nonwovens, spunlaced processing is carried out on the an upper layer, an intermediate layer and a lower layer by an unwinding method in a on-line or off-line manner, the upper layer is a degradable fiber carded web, the intermediate layer is wood pulp fiber air laying and the lower layer is polylactic acid nonwovens. The manufacturing method comprises the following steps of wood pulp fiber airlaying, degradable fiber opening picking, carded web, spunlacing and baking, which respectively controls an airlaying conveying fan, a forming suction fan, recycling suction fan efficiency, an opening picking gauge, carded main cylinder speed, chest cylinder speed and up-down random roller speed, pressure of each water stabs head of spunlacing, baking suction machine, circulation fan, exhaust fan efficiency, baking temperature and the like.

The invention discloses a hardware fitting machining perforating device with an automatic dust removal function. The hardware fitting machining perforating device comprises a working table, a box shell is fixedly connected to the upper end of the working table, an air cylinder is arranged at the center of the upper end of the box shell, a fixing plate is fixedly connected to the lower end of the air cylinder through a piston rod, a motor shell is fixedly connected to the bottom of the fixing plate, a hole drilling motor is installed inside the motor shell, a drill bit is fixedly connected to an output shaft of the hole drilling motor, a plurality of chip spaces are evenly formed in the inner wall of the table face of the working table, a dust cage is communicated with the bottoms of the chip spaces, and the lower end of the dust cage is connected with a dust collector through a guide pipe. The hardware fitting machining perforating device is simple in structure and easy to operate, chippings generated by perforating can be collected, meanwhile, the cleaning effect is better, and the table face cleanliness of the working table is kept.

The invention relates to a gas purification process and a system, which solve the problem that the existing gas purification process is complex in process, large in waste water amount, high in production cost, poor in dedusting effect and low in coal tar quality. The technical scheme is that raw material coal is predried in a dryer and then sent to a high temperature pyrolysis furnace for pyrolysis, untreated gas containing ash and coal tar and produced through pyrolysis is sent to a high temperature cyclone separator to remove ash in large particles, dedusting of the untreated gas after removing the ash in large particles is further carried out through a high temperature filter, gas is carried out waste heat recovery through a waste heat boiler after dedusting, the gas which exchanges heat to the temperature of 300-350 DEG C enters a chilling tower and is contacted with coal tar oil at the temperature of 40-80 DEG C in an adverse current mode so as to conduct washing and cooling, the coal tar contained in the gas enters the coal tar oil and is discharged from a tower bottom, the gas is washed and cooled to 40-100 DEG C at the tower top to obtain clean gas, and the clean gas is sent to a gas cabinet. The gas purification process and the device are simple, free of waste discharge, good in gas dedusting effect, high in byproduct coal tar quality and low in production cost.

The invention provides a dual type building dust removal device, and belongs to the technical field of buildings. A water spraying plate is arranged at the left end of a bottom plate; an atomizing nozzle is arranged on the upper surface of a bracket; a dust collecting plate is fixedly arranged on the upper surface of a water tank through a supporting frame; a cover plate is arranged on the upper surface of a dust filtering box, and a filter screen plate is fixedly arranged on the left side of the lower surface of the cover plate; a sponge screen plate is arranged in the middle of the lower surface of the cover plate, and an activated carbon adsorption net layer is arranged on the right side of the lower surface of the cover plate; a stirring device is arranged in an inner cavity of a dust removal agent box. The right end of a water pump is connected with the dust removal agent box through a water outlet pipe, the left end of the water pump is connected with the atomizing nozzle through a water outlet pipe, so that the dust removal device has the function of spraying liquid chemical to adsorb dust in air; the right end of a suction pump is connected with the dust filtering box through a dust suction pipe, so that the dust removal device has the function of adsorbing dust impurities in the air. The dust removal device has the advantages of being simple in structure, high in practicability and good in dust removal effect.

The invention discloses an easily-cleaned outdoor display screen, belonging to the field of display screens. The easily-cleaned outdoor display screen comprises a screen body; the screen body is connected to a base, a sliding rod is fixedly connected with the base, and a support rod is connected with the sliding rod in a sliding way; a dust cleaning brush is fixedly connected to the bottom side of the support rod, and props against the screen body; the sliding rod is fixedly connected with a rack. When more dust exists on the display screen, a drive motor drives a winding wheel to wind a pull wire so as to pull the support rod, and the dust is cleaned by the cleaning brush arranged at the bottom side of the support rod; furthermore, a gear drives a first rotating shaft to rotate under the action of the rack, so that the first rotating shaft drives a second rotating shaft to rotate by means of a bevel gear, and the second rotating shaft drives a blower fan to rotate; therefore, the blower fan blows away the dust while the cleaning brush cleans the dust, so that the dust on the screen body of the display screen is effectively removed, and the display screen further achieves a good display effect.

The invention relates to a spray dedusting system, a dedusting tower is erected on a circulating deposition tank, an opening is opened at the top of the dedusting tower, the dedusting tower is connected with a smoke pipe, the inner wall of the dedusting tower corresponding to the upper part of the exit end of the smoke pipe is provided with a water baffle, the dedusting tower above the water baffle is internally provided with a plurality of spray heads, the bottom end of the dedusting tower corresponding to the lower of the exit end of the smoke pipe is provided with a water sealing device inserted in the circulating deposition tank, the spray heads are connected with the water outlets of a spray pump by pipelines, the water inlets of the spray pump are arranged in the circulating deposition tank, a quality regulating water storage tank is arranged beside the circulating deposition tank, a quality regulating mild base block layer is paved on the bottom of the quality regulating water storage tank, a non-water tight gland layer is paved on the quality regulating mild base block layer, a water supply device used for supplying water to the quality regulating water storage tank from the circulating deposition tank is arranged between the circulating deposition tank and the quality regulating water storage tank, and a water supplementing device for supplementing water to the circulating deposition tank from the quality regulating water storage tank is arranged between the circulating deposition tank and the quality regulating water storage tank.

The invention discloses an atomization spray nozzle, which comprises a spray nozzle body, a Venturi air pipe, an air inlet, a liquid inlet and a spray head, wherein the Venturi air pipe is arranged in the spray nozzle body; a liquid-phase suck-in hole is formed in a throat passage section of the Venturi air pipe; the air inlet is connected onto the spray nozzle main body, and is connected with an inlet of the Venturi air pipe; the liquid inlet is also connected onto the spray nozzle main body, in addition, the liquid inlet is also communicated with the liquid-phase suck-in hole of the Venturi air pipe; the front end of the spray head is provided with a scattering head, in addition, an atomization spraying passage is formed between an outlet of the spray head and the scattering head; the spaying head is connected onto the spray nozzle body, in addition, the spray head is communicated with an outlet of the Venturi air pipe, and the front end of the scattering head is provided with an annular electrification coil. The atomization spray nozzle has the advantages that a gas phase and a liquid phase can be sufficiently mixed, meanwhile, the atomization fineness and the fog drop distribution uniformity are greatly improved, the structure is simple, and the cost is low.