763results about How to "Efficient dust removal" patented technology

The invention discloses a double-layer internal deslagging and anti-blocking drilling tool for soft and outburst coal seam drilling, and a use method of the drilling tool. The drilling tool comprises a rotary sealing water supply device or a rotary sealing air supply device, a double-layer internal deslagging and anti-blocking drilling rod and a central backflow drilling bit, wherein the rotary sealing water supply device or the rotary sealing air supply device is connected with the double-layer internal deslagging and anti-blocking drilling rod on a drilling machine, and the central backflow drilling bit is mounted at the front end of the double-layer internal deslagging and anti-blocking drilling rod. The use method of the drilling tool comprises the steps that a drilling system is started; an air flow or a water flow enters an outer layer channel of the double-layer internal deslagging and anti-blocking drilling rod and reaches the bottom of a drilling hole; the air flow or the water flow reverses out drilling cuttings formed by drilling bit coal breaking along an inner layer channel of the double-layer internal deslagging and anti-blocking drilling rod to enter a slag tapping dust collector connected with the tail part of the drilling rod; and deslagging and dust collection are accomplished. The drilling tool is novel in design; the deslagging is accomplished in a cavity of the drilling rod, so that influences of drilling hole shrinkage and hole wall buckling failure on a drilling hole deslagging space can be avoided effectively; the deslagging is accomplished in the inner layer channel of the drilling rod, so that the dust collection is more effective; and drilling, anti-sloughing and dust collection integrated operation is realized.

The invention is based on a guard device (33) for a power tool, in particular for a sanding power tool, having a protective cover (40) that is provided to at least partially encompass a disk-shaped, rotating tool, and having a dust removal tube (52), the longitudinal axis of which is located at an angle of up to 80° to the axis of rotation of the tool.

It is proposed that part of the dust removal tube (52) passes through the plane of a flat side of the tool.

The invention discloses a loose-soft rock soil stratum reverse circulation casing-following drilling tool and a drilling process. The drilling tool is of a coaxial three-passage structure and comprises a double-wall drilling stem, an auger stem, a drilling bit, a casing and a casing shoe, a central hole of an inner tube of the double-wall drilling stem and a central hole of an inner tube of the auger stem form a slag discharging passage, an annular gap between the inner tube of the auger stem and an outer tube of the auger stem forms an air incoming passage, and an annular gap between the outer tube of the auger stem and the casing forms an outer ring passage; compressed air enters the drilling bit through the air incoming passage and then is diverted and used for assisting a cutting bladeto break a stratum and realize reverse circulation deslagging. Drillings suspended in the outer ring passage go up along spiral blades, enters a deslagging passage through a deslagging window and then returns to the ground surface. Reverse circulation deslagging through a fluid medium and deslagging assisted by the spiral blades are adopted in the process of drilling, so that casing-following drilling is realized to protect hole walls, the problems of bit burying and difficulty in deslagging and hole forming in the process of loose-soft rock soil drilling can be solved, and integration of drilling, collapse preventing, dedusting and wall protecting is realized.

The invention pertains to air conditioner field, and specifically is an air conditioner indoor set with a filter screen dust removing device, comprising a housing, an air inlet and an air outlet disposed on the housing, a circular heat exchanger disposed in the housing, a fan is disposed at the circulating center of the circular heat exchanger, an air outlet of the fan communicating with the air outlet of the housing, and a dust removing filter screen disposed at the outer side of the circular heat exchanger; wherein a rolling shaft activating the filter screen is disposed at the two ends of the filter screen; a dust absorption pipe formed of a helical groove pipe and an axial straight groove pipe sleeving each other is disposed near to the filter screen, a hose communicating with the dust absorption pipe is disposed at the terminal of the straight groove pipe of the dust absorption pipe, and an electric motor rotating the helical groove pipe is disposed at the terminal of the helical groove pipe. An inhalation pore is formed by a straight groove pipe and a helical groove pipe sleeving each other with airtightness, wind power is centralized, and dust is removed with high efficiency; filter screen dust is removed roundly in condition that the indoor set outer cover is not opened.

An electrically powered belt sander comprising a housing, a dust flow path defined by the housing, a motor mounted in the housing at a first location and having an output shaft, a fan connectable to the motor output shaft and rotateably mounted in the housing at a second location a distance from the motor output shaft, a belt connectable between the motor output shaft and the fan whereby the rotation of the motor output shaft drives the rotation of the fan, and a damper located in the dust flow path and operable for blocking the dust flow path.

The invention discloses an automatic dust collector, belonging to the technical field of dust collectors. The dust collector comprises a supporting frame, a dust collecting unit arranged on the supporting frame, an air regulation device, a silencing device, a water circulator and a control system, wherein the top of the dust collecting unit is provided with a water inlet pipe; the end of the water inlet pipe is provided with a sprayer; a dust collection filter screen is arranged in the dust collecting unit; one side of the dust collecting unit is provided with an air inlet pipe connected with a blower; the other side of the dust collecting unit is provided with an air outlet pipe; the air regulation device is arranged on the air inlet pipe; the silencing device is connected with an air outlet of the blower; the water circulator is connected with the water inlet pipe; the water inlet pipe is provided with a water regulating valve; a dust concentration sensor is arranged in the dust collecting unit; and the control system is respectively connected with the air regulation device, the water regulating valve and the dust concentration sensor. The automatic dust collector can achieve favorable automatic dust collection effects, implements favorable silencing effects, and performs the functions of energy saving and environmental protection.

The invention relates to environmental protection paint, in particular to nano shell powder ecological functional flatly painted coating. The coating is prepared from shell powder (calcined), ash-calcium, kaolin, heavy calcium carbonate, hydrated magnesium silicate, titanium dioxide, vinyl acetate, hydroxyethyl cellulose, polyving akohol, polydimethylsiloxane, a water reducer and a defoamer. The coating solves the problem that indoor ornament or decoration paint is not environment-friendly. The coating has the characteristics that the coating is antifungal, purifies the air, prevents mildew, adopts a spiral pore structure, is 3.0mm in press coating thickness and high in glossiness, does not has obvious color aberration, is resistant to shock, abrasion, water, high and low temperature weather and aging, and ensures that the service life of a product reaches more than 20 years.

The invention relates to the gas-solid separation filed, in particular to a ceramic fiber high temperature gas filter and a preparation method thereof, wherein a filter layer which form the ceramic fiber high temperature gas filter is made from ceramic fibers, one end of the apertures of gas flow through holes in the filter layer is small along the direction of a channel, and another one end of the apertures of gas flow through holes in the filter layer is big along the direction of the channel. The method for preparing the ceramic fiber high temperature gas filter comprises steps: 1 N ceramic fiber with different length diameter radio ranges is selected and N >=2; 2 the N ceramic fiber with different length diameter radio ranges are respectively mixed with binders and dispersants to obtain injection molding pastes; and 3 the ceramic fiber injection molding paste with the smallest length diameter radio range is injected into a die and is extracted and filtered, the ceramic fiber injection molding pastes with other length diameter radio ranges are orderly injected into the die according to length diameter radio ranges from small to big after being formed according to the above method, and is extracted and filtered, and formed filter materials and the die are dried together, and then are demolded and sintered, thereby obtaining the ceramic fiber high temperature gas filter.

The present invention provides an exposure device which does not require complicated structure and can cause that the adhesion roller to contact with the transfer roller and simultaneously remove dust for the surface of objective table and the surface of workpiece. The adhesion rollers (57, 57) are projected and rotatablely supported pivotly on the side which is respectively opposite with the mask (10) and the objective table (8) to the cleaning unit (12) in each exposure part (2, 4). The peripheral surfaces of two adhesion rollers (57, 57) contact with the peripheral surface of large-diameter transfer roller (58) which is pivotly supported parallelly with the adhesion roller. Furthermore, a Y-Z objective table (40) causes that the adhesion roller (57) to contact with the mask (10) and remove dust for the surface of mask (10), so that the adhesion roller (57) contacts with the upper surface of objective table (8) and removes dust for the upper surface of objective table (8). Additionally, a reverting device (9) causes an adhesion base (30) to rotate around the rotation shaft. The adhesion base (30) exceeds a horizontal direction and stops at an inclined position. After the dust onthe surface of workpiece (W) is removed with a clearing unit (13), the adhesion base (30) is caused to face the horizontal direction.

The invention discloses an efficient grinding equipment for pipeline finish machining and polishing. The efficient grinding equipment comprises a base, a shell is fixed to the top of the base, a clamping mechanism, a grinding mechanism and a dust removal mechanism are arranged inside the shell, a driving mechanism used for driving the clamping mechanism to rotate is fixed to the top of the base, and a transmission mechanism is arranged on the outer wall of the shell above the driving mechanism. According to the efficient grinding equipment for pipeline finish machining and polishing, by arranging the driving mechanism, the clamping mechanism, the grinding mechanism and the dust removal mechanism, the phenomenon of missing grinding of the surface of a circular pipe is avoided while the circular pipe is uniformly ground, the grinding effect and the grinding speed of the circular pipe are improved, and meanwhile, the effect of efficiently removing dust in the shell is achieved.

The present invention relates to the field of computers, especially the embedded network intelligent information processing server, including server shells, Reciprocating screws, screw nut, rotary purifier installed in the server shell, with the cooperation of the reciprocating screw and the screw nut, As that rotary purify device reciprocates upward and downward in the inn seat of the server housing and also rotates, A blow nozzle is arranged on the rotary purification device to blow up the dust inside the server, A suction chamber is also provided for that rotate purification device, atomizing chamber and drying chamber, the air with dust and heat inside the server is sucked away and cooled by atomizing dust removal, filtration and centrifugal drying, The treated air is discharged out ofthe server through the pipeline, and plays the role of dust removal and temperature reduction for the server. At the same time, the air treated by the rotary purification device contains certain moisture, which can be circulated to the inside of the server to increase the humidity, and plays the role of eliminating static electricity, thus greatly prolonging the service life of the server and reducing the maintenance difficulty of the server.

The invention relates to the technical field of textile machinery, and discloses a waste silk cleaning device for textile fabric processing. The waste silk cleaning device comprises a dust removal box, wherein a recovery box is arranged on the back face of the dust removal box; a feed port is formed in the left side of the dust removal box; a discharge port is formed in the right side of the dustremoval box; and a first guide roller set is arranged, close to the feed port and the discharge port, inside the dust removal box. According to the waste silk cleaning device for textile fabric processing, a rotating shaft and an elastic metal sheet can be driven to rotate through a motor, blocking occurs when the rotation contacts with a baffle, and then the original shape is restored under deformation and the surface of fabric is struck, so that the waste silk is separated from the fabric surface; then the waste silk in the air is sucked into the recovery box through a fan, a funnel air outlet and an air pipe, next the fabric passes through the surfaces of two rollers in sequence, the surface of the fabric can be bonded tightly through an adhesive glue layer, and the waste silk can be further cleaned; and compared with the prior art, the structure is simple and effective, the front face and the back face of the cloth can be cleaned at the same time, and the cleaning effect is better.

A plasma discharge catalytic air cleaning device has a plasma discharge catalytic region, where the ions and ultraviolet ray generated by plasma discharge can stimulate the semiconductor catalyst chosen from TiO2, ZnO, ZnS, Fe2O3, CdS, CdSe, WO3 and their mixture for generating the hydroxy free radicals to degradate harmful gas, sterilize and disinfect.

The invention discloses a multi-stage dust remover comprising a gravity dust remover, a cyclone dust remover, a filter bag and a casing, and further comprising an air inlet, a connector, and an air outlet, wherein the gravity dust remover comprises a settling chamber below which a dust collecting chamber is arranged; and a dust outlet is formed at the bottom of the dust collecting chamber; and the cyclone dust remover comprises a cyclone dust removing chamber, inside which a discharge pipe is arranged, a dust collecting chamber is arranged below the cyclone dust removing chamber, and a dust outlet is formed at the bottom of the dust collecting chamber. Due to the adoption of the way, the multi-stage dust remover is suitable for a biomass gasifier, can effectively remove the dust of the cracked biomass gas, and has high dust removing efficiency.

The invention discloses a working method of a mine stone crushing device with a dust removal function and belongs to the field of mining machinery. The mine stone crushing device comprises a stone crushing mechanism, a crushing mechanism and a grinding mechanism, wherein the stone crushing mechanism comprises a stone crushing cabinet, a closing assembly, a dust removal assembly and a stone crushing assembly, a charging opening is formed in the top of the stone crushing cabinet, a discharging funnel is arranged at the bottom of the stone crushing cabinet, the dust removal assembly comprises a swinging plate and two supporting plates which are arranged on sidewalls of the stone crushing cabinet at intervals, a connecting shaft is arranged between the two supporting plates, the swinging platesleeves the connecting shaft, and a liquid spraying pipe is arranged at the top of the swinging plate. According to the working method, dust removal operation can be effectively carried out through the dust removal assembly and the closing assembly, crushed stones can be subjected to crushing operation and grinding operation through the crushing mechanism and the grinding mechanism, and stones can be subjected to stone crushing operation of different degrees through the stone crushing mechanism.

The invention discloses an electrical control equipment cabinet with multiple heat dissipation functions. The cabinet comprises a cabinet body. A roof is arranged on the top of the cabinet. A support cylinder is arranged outside the space between the roof and the cabinet body. A water tank is arranged at the bottom of the cabinet body. A water delivery pipe is arranged at the bottom of the left side of the roof. The lower end of the water delivery pipe is fixed to the top of the water tank. A cooling fan is installed at a middle gap in the top of the cabinet body. A snakelike through cooling pipe is arranged inside an electrical equipment mounting plate in the cabinet body. The two ends of the cooling pipe are respectively communicated with the two sides of a cooling device arranged at the inner bottom of the cabinet body. A water pump is arranged at the inner bottom of the water tank. The upper end of a water supply pipe of the water pump is connected with the cooling device. A ventilation pipe is arranged at each of the four corners of the inner side of the cabinet body. Multiple radiating fins are arranged on the ventilation pipes inside the cabinet body. There are a variety of heat dissipation modes. The electrical control equipment cabinet is energy-saving and environment-friendly. Dust can be removed in the process of heat dissipation. Isolation from the outside air is achieved. Stable operation of electrical equipment can be maintained.

The invention relates to an air flue optimizing method of an air purifier. The air purifier comprises an air inlet, and the inside of the air inlet is provided with an electrode plate and an electrode. The method comprises adjusting the angle and the position of the electrode plate to enable the electrode plate to be tangential to the air intake direction of the air inlet and to be in a staggered state with a neighboring electrode plate to form a buffering air flue. The invention also discloses the air purifier applying the air flue optimizing method. The air flue optimizing method of the air purifier has the advantage of, by means of the buffering air flue, achieving the effects of buffering the velocity of air flow and further obtaining efficient dedusting and sterilizing effects.

The invention belongs to the technical field of environmental protection and discloses an environmental-protection process for purifying the tail gas in production of amino acid. The environmental-protection process comprises the steps of removing dust and mist, desulfurizing, denitrating and preparing fertilizers. The environmental-protection process disclosed by the invention has the advantages that the operation is simple and feasible, the investment cost is low, and the treating effect is good; and the fertilizers are utilized and prepared simultaneously, so that the purpose of changing wastes into valuables is realized and two purposes are achieved by one action.

The invention discloses a bipolar prick electric coagulation device which is characterized in that the electric coagulation device mainly comprises a housing, a high-voltage electrode, two grounding electrodes and a high-voltage alternating current power supply, wherein the high-voltage electrode comprises a high-voltage polar plate and high-voltage pricks; the grounding electrodes comprise grounding polar plates and grounding pricks; the shapes and the structures of the two grounding electrodes are the same; pinpoints of the grounding pricks of the two grounding electrodes are opposite, and the two grounding electrodes are parallely arranged in two symmetrical edges of the housing; the high-voltage electrode is parallel to the two grounding electrodes, arranged with the two grounding electrodes in an equally spaced manner, and arranged between the two grounding electrodes; the pinpoints of the high-voltage pricks and the grounding pricks are in stagger arrangement relatively; the high-voltage polar plate is connected with the high-voltage alternating current power supply; the two grounding polar plates are both connected with the ground. The electric coagulation device can effectively coagulate fine dust particles in smoke, is convenient for a following electric precipitator to remove dust effectively, and has the characteristics of simple structure, small size, low cost, suitability for industrial popularization and application and the like.

The invention provides intelligent equipment and a dedusting method of same. The intelligent equipment comprises vibrating motor and connecting devices, wherein the vibrating motor is arranged inside the intelligent equipment; the connecting devices are used for connecting parts, in need of dedusting, of the vibrating motor and the intelligent equipment. The dedusting method of the intelligent equipment is applied to the intelligent equipment and comprises the steps that the vibrating motor on the intelligent equipment is started; the vibrating motor transmits vibration to the parts, in need of dedusting, of the intelligent equipment through the connecting devices; dust on the parts, in need of dedusting, of the intelligent equipment is removed through the vibration. According to the technical scheme of the intelligent equipment, the frequency of the vibration can be adjusted, and the vibration is transmitted to the specific positions through the connecting devices, so that the dust falls off automatically, and the purpose of effective dedusting is achieved.

A duster for communication equipment features that a blower and a cleaner are symmetrically arranged at opposite two sides of a communication equipment to be cleaned for blowing the dust out and then sucking it by cleaner.