157results about How to "Quick dust removal" patented technology

The invention discloses a dust control unit for a laser cutting machine, comprising a pedestal (5), a rack installed on the pedestal, a work piece (1) arranged on the rack, an exhaust funnel (12) and an exhaust blower (13) arranged on one side of the pedestal, a skip car (7) arranged on the bottom of the pedestal, a left skip car rack (6), a right skip car rack (8), a filter board (11) arranged at the connecting beam of the pedestal, an air door (10), a cylinder (9), a facing bar (3) and fender (4). The air door (10) and the cylinder (9) are arranged on the filter board (11). The facing bar (3) and the fender (4) are arranged between the rack and the pedestal. As the invention adopts partitioned dust removal organization, the dust produced by the process of cutting can be effectively exhausted from a channel that consists of the filter, the air door, the pedestal in a chamber, the exhaust funnel and the exhaust blower, which is fast and completed.

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 belongs to the technical field of computers and particularly relates to a convenient-to-adjust dust removal device for computer production. In order to solve the problems that an existing dust removal device has a poor dust removal effect and is inconvenient to fix and adjust, the following scheme is put forward. The device comprises a base, four first supporting columns distributedat equal intervals are connected to one side of the top of the base through bolts separately, a table body is connected to the tops of the first supporting columns through bolts, and a circular through hole is formed in the top of the table body; a rotation disc is slidingly connected into the circular through hole. According to a dust suction machine, a dust suction hopper is subjected to air suction through a dust suction pipe, dust enters a dust removal hopper, a vibration exciter is connected to the top of a frame shaped like the Chinese character 'tian', and dust on static dust removal brushes can be shaken to the bottom of the dust removal hopper; through a control valve, the dust is discharged into a residue storage pond through a residue discharge port, a high-pressure water pump presses high pressure water into a high pressure water pipe extending in a dust removal hopper cover, the high pressure water is sprayed out through high pressure spray nozzles, the dust removal hopperand the static dust removal brushes can be cleaned, and dust removal can be quickly conducted.

The invention relates to a converter gas wet cooling and dedusting method which is characterized in that the method comprises the following steps: 1) evaporative cooling: flue gas at the temperature of about 900 DEG C is cooled by evaporation; the water droplets of the flue gas are cooled by spraying and then mixed with hot flue gas, so that the temperature of the flue gas is further reduced to 70-80 DEG C after the evaporative cooling; 2) spray dedusting: the sprayed water droplets of the cooled flue gas are used for capturing dust particles, and the captured dust particles are discharged from a pollutant discharge outlet; the gas after the treatment of spray dedusting enters an annular scrubber; 3) dedusting by the annular scrubber: the water droplets are sprayed, so as to lead the water droplets to pass through an annular throat together with the dust-containing flue gas, then, the dust particles in the flue gas are captured when the flow rate of the flue gas is in the range of 80-120m / s. The method has the advantages that 1) the temperature and dust can be rapidly and greatly reduced; 2) power and water can be saved obviously; 3) the dedusting efficiency can be improved, so that the emission concentration of the flue gas can keep below 50mg / Nm<3>.

The invention discloses an underground coal mine dust removal device. The underground coal mine dust removal device comprises an installing plate, wherein a protecting shell is fixedly welded to one side of the top surface of the installing plate, a lead screw is rotatably connected between the top and the bottom of the inner wall of the protecting shell, the top of the lead screw penetrates through the top of the protecting shell and extends to the outer part of the protecting shell, and a servo motor is fixedly installed at the end, extending to the outer part of the protecting shell, of thelead screw. According to the underground coal mine dust removal device, the problems that the dust adsorbing efficiency of the dust removal device is lowered and coal dust in a working place cannot be effectively removed in time due to the facts that when the dust removal device uses a filter net to absorb dust, large particles are adsorbed to the surface of the filter net, an existing filter netis not convenient to disassemble and install and cannot be effectively cleaned, and the dust adsorbed by the filter net is too much after the filter net is used for a long time, the dust removal position of the dust removal device is single, and the dust removal only can be carried out for a specific area at a certain fixed position, and inconvenience is brought for underground coal mine dust removal working are solved.

The invention provides a self-moving multi-stage dust settling device for a tunnel. The self-moving multi-stage dust settling device comprises a track and a dust settling device. The track is mountedon a vault of the tunnel along the axial direction of the tunnel; the dust settling device is hoisted on the track and can move linearly in the tunnel along the track; the dust settling device is provided with a spraying device for spraying water mist to the tunnel to dedust the tunnel; the spraying device controls swing and shrinkage of the spraying device through an electric cylinder; and the dust settling device comprises a first dust settling device, a second dust settling device and a third dust settling device for spraying the tunnel all around. The self-moving multi-stage dust settlingdevice is hoisted on the top of the tunnel and the spraying device can stretch, so that occupation of the space of the tunnel is reduced greatly. Normal work of other equipment and transit of tunnel constructors are not affected while the tunnel is sprayed to dedust, so that the tunnel construction efficiency is improved.

The invention relates to a lithium battery accessory processing apparatus, in particular to a pole piece dust removal apparatus for lithium battery production and processing. The pole piece dust removal apparatus for lithium battery production and processing aims to achieve the technical purposes that dust on pole pieces can be quickly removed, the dust which appears in the process of dust removaldoes not fly all over to do harm to workers. The pole piece dust removal apparatus for lithium battery production and processing comprises a base plate, a guide plate, a guide sleeve, a fixed plate,a placement plate, a first clamping block and the like. The guide rail is connected with the left side of the base plate. The guide sleeve is in sliding connection with the guide rail. The fixed plateis connected with the right end of the guide sleeve. The placement plate is connected with the upper side of the fixed plate. The pole piece dust removal apparatus for lithium battery production andprocessing achieves the effects that the dust on the pole pieces can be quickly removed, and the dust which appears in the dust removal process does not fly all over to do harm to the workers; and because of the manner that a chain is adopted to drive a first rotary rod to move left and right, a brush block is driven to move left and right to remove the dust on the pole pieces, surface dust removal can be carried out on the pole pieces quickly and completely.

The nozzle has a sole plate (21) comprising reliefs forming two transverse channels (37) for receiving a suction flow. The transverse channels are defined by juxtaposed transverse scraping ribs (38), where the scraping ribs are extended in a transverse direction (y) perpendicular to a displacement direction (x) of the nozzle. The scraping ribs scrap a moquette floor to facilitate suction of waste on the floor.

The invention relates to the technical field of construction equipment, and especially relates to a tower crane spraying apparatus capable of enhancing the dedusting effect and used in a constructionsite. The tower crane spraying apparatus comprises a spraying device, a rolling device, an adjusting mechanism, and a control device. The spraying device comprises a spraying pipeline and a rotation mechanism. The rolling device comprises a rolling assembly and a traction assembly. The adjusting mechanism comprises an air blower, a pitching adjusting assembly, and a rotation assembly. The controldevice comprises a controller and a sensor assembly. The controller controls an electric hoist to drive the traction assembly and the rolling assembly to spread the spraying pipeline; through the rotation mechanism, the spraying pipeline can rotate in 360 degrees in the spraying direction; the spraying range is enlarged in a single period; the spraying pipeline can be rolled in real time, the spraying pipeline will not be exposed in the sun for a long time, and the service life is prolonged.

The invention provides a movable climbing fixed-installation footboard device for substation maintenance work. The movable climbing fixed-installation footboard device for substation maintenance work comprises a hydraulic hoisting mechanism, a middle platform, a left platform, a right platform and a dedusting device. The hydraulic hoisting mechanism comprises a hydraulic cylinder, a hoisting support and a hoisting platform. The left platform and the right platform are each provided with a hollow round pipe. The middle platform is directly fixed to the middle position of the hoisting platform through a plurality of vertical rods. The left end and the right end of the hoisting platform are each provided with a supporting stand column. The left platform and the right platform are arranged on the supporting stand columns in a sleeving mode through the hollow round pipes in a one-to-one corresponding mode. The dedusting device is arranged on the lower bottom plane of the left platform through a dedusting device fixing support. During maintenance work, the left platform and the right platform can be rotated freely according to maintenance requirements so that the most comfortable maintenance direction can be obtained for maintainers, and accordingly the maintenance labor intensity is relieved; and rapid dedusting of disconnector insulators of transformer substations can be achieved through the dedusting device, and accordingly the efficiency of substation maintenance work is improved.

The invention provides dust removal equipment for road construction and belongs to the field of dust removal equipment for building site construction. The dust removal equipment comprises a base, wherein a plurality of rolling wheels are arranged below the base; a framework and a protection cover are arranged above the base; a water tank is arranged in the framework; a cylindrical stand column isarranged in the middle of the base; the framework and the protection cover are arranged at two sides of the stand column respectively; the top of the stand column is rotatably connected with a mounting plate; a spraying barrel is arranged on the mounting plate; the spraying barrel is of a structure with openings at two ends; a plurality of spraying heads are arranged at the front end of the spraying barrel; a fan is arranged in the middle of the spraying barrel; the protection cover is internally provided with a motor and a water pump which are connected; the water pump is communicated with the water tank through a water inlet pipe; the water pump is communicated with the spraying heads through a water outlet pipe. The dust removal equipment for the road construction has the advantages ofrelatively small volume and convenience for transportation, can flexibly move in a building site and can rapid arrive a working region to carry out dust removal work. The dust removal equipment can beapplied to dust removal of the road construction and also can be applied to fields including building construction sites, bridge construction sites, open pits and the like.

The invention belongs to the technical field of chip processing, in particular to a dispensing device for semiconductor chip packaging. In view of the problem that most of the traditional chip processing dispensers are relatively simple in structure and dust attached to the chip affects the dispensing effect easily, the following scheme is proposed. The dispensing device comprises a dispensing platform and a fixed support platform, an installation groove and a transferring opening are respectively formed in the centers of the dispensing platform and the fixed support platform, a transmission cylinder which is rotationally connected with the transferring opening by a bearing is welded on the inner wall of the installation groove, and side support plates are vertically welded at the two sides of the outer wall of the bottom of the fixed support platform. According to the invention, clean air is blown to a chip in a placing groove for dust blowing effect through the action of the transmission cylinder, a fixed cover end and an air pipe and an air filter element; a drive mechanism can drive the transmission cylinder to rotate, a rotating rod and a brush head are driven to rotate by theaction of a belt so as to brush the chip, the effect of removing dust quickly is achieved, and the dispensing quality is improved.

The invention relates to a flattening and dust removal device, in particular to the flattening and dust removal device for a lithium battery copper foil. The flattening and dust removal device for thelithium battery copper foil has a mature flattening technology, high efficiency, convenience and simple operation. According to the technical scheme, the flattening and dust removal device for the lithium battery copper foil comprises a base, a first bracket, a second bracket, a first fixing plate, a second fixing plate and the like, wherein the first bracket is fixedly connected to the left endof the base, the second bracket is fixedly connected to the right end of the base, the first fixing plate is fixedly connected to the right side above the base, and the second fixing plate is fixedlyconnected to upper portion of the first fixing plate. The flattening and dust removal device for the lithium battery copper foil which is developed specially has the function of extruding and dust removing to the copper foil, not only is the effect of uniform extrusion realized, but also the effect of rapid dust removal is realized. The flattening and dust removal device for the lithium battery copper foil has the characteristics of convenient use, safe use, simple operation and the like.

The invention discloses a static electricity removal device for insulating sticking cloth, and relates to the technical field of insulating sticking cloth appliances. The interior of a box is provided with a conveyor mechanism, and the inner upper end of the box is provided with a static electricity removal control box; the lower end of the static electricity removal control box is provided with two ionic wind rods, and the back side of the static electricity removal control box is provided with negative pressure-type dust collection box; the lower end of the negative pressure-type dust collection box is provided with an adjuster, and the adjustment lever of the adjuster is provided with a dust collection head; the dust collection head is connected with the negative pressure-type dust collection box through a pipeline, and the back side of the negative pressure-type dust collection box is provided with a CCD camera mechanism; the two ends of the box are provided with an inlet and an outlet respectively, and the inlet and the outlet are both provided with a flashboard, and each flashboard is provided with a length adjustment hole; the bottom of each flashboard is provided with a cleaning brush. The static electricity removal device for insulating sticking cloth is convenient to realize rapid removal of static electricity and dust, and can achieve the detection of appearance, so that the device is convenient to use and easy to operate.

The invention discloses a room-type cleaning material separation unit which comprises a material receiving dust removal device, a material conveying mechanism, a material collecting mechanism and a discharging room. A dust removal device for dust removal is arranged inside the discharging room. An air suction dust removal device is arranged at the side position of the discharging room. The material conveying mechanism comprises a linear conveying belt and a slope conveying belt. The upper portion of the linear conveying belt and the upper portion of the slope conveying belt are provided with spraying nozzles. The slope conveying belt is connected with the material collecting mechanism. A weight monitoring device is arranged at the bottom of the linear conveying belt and connected with a control system.

The present invention relates to the field of computers, especially to an intelligent embedded network security information processing device, which includes a housing of the device, a reciprocating screw mounted in the housing of the device, a screw nut and a rotary purifier. With the cooperation of the reciprocating screw and the screw nut, the rotary purifier reciprocates upward and downward inthe inner seat of the device housing and rotates at the same time. A blow nozzle is arranged on the rotary purifier to blow up the dust inside the server. The rotary purifier is also provided with asuction chamber, an atomizing chamber and a 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 of the server through the pipeline, and the function of dust removal and temperature reduction for the server is realized. At the same time, the air treated by the rotary purifier 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 device.

The invention discloses a novel automotive air conditioner with a photocatalyst function. The novel automotive air conditioner comprises a device shell, a functional circuit and air conditioner grids, wherein the air conditioner grids are arranged on the surface of the device shell. The novel automotive air conditioner is characterized in that a containing box for storing a photocatalyst air purifying liquid is further arranged on the device shell, wherein the photocatalyst air purifying liquid is a liquid spray agent and is prepared from nanometer titania photocatalysts; an atomizing nozzle is further arranged on the containing box and extends to the bottom of the containing box through a guide pipe; the nanometer titania photocatalysts include nanometer titania, nanometer mineral crystal powder, diatomite, tourmaline and polysiloxane clathrate. As the spray agent used in the novel automotive air conditioner is in a moving free state, can be rapidly spread and has the characteristics of large purifying space and user-adjustable scope, the noxious and harmful gases in the air of an automobile can be rapidly and effectively degraded, and the novel automotive air conditioner has the functions of deodorization, mould proofing and air purification and has no toxicity and secondary pollution.

The invention discloses an automatic communication control cabinet. The automatic communication control cabinet comprises a base, wherein the top of the base is fixedly connected with the control cabinet, a plurality of shockproof springs are fixedly connected with an inner wall of the control cabinet and are uniformly arranged, a U-shaped placement plate is jointly and fixedly connected with oneend, far away from the inner wall of the control cabinet, of each of the plurality of shockproof springs, a dust sensor and a temperature sensor are arranged on an inner side wall of the U-shaped placement plate, an opening is formed in the top of the control cabinet, first rectangular grooves are formed in four corners of the opening, and the bottoms of the four first rectangular grooves are vertically and fixedly connected with a first electric push rod. The automatic communication control cabinet is convenient to operate, the stability and the shock resistance of the control cabinet can beimproved, and the damage of external vibration to a communication module placed in the U-shaped placement plate is reduced; moreover, rapid cooling and dust removal can be automatically performed on the control cabinet, and the automatic communication control cabinet is relatively high in automation; and meanwhile, a worker is convenient to carry the control cabinet, and convenience is brought tothe worker.

The invention discloses a crop dust removing device. The crop dust removing device comprises a shell; a feed hopper fixedly sleeves the center of the upper end of the shell through a first through hole; a feed pipe is fixedly arranged at the lower end of the feed hopper; the end, far from the feed hopper, of the feed pipe extends into the shell; an opening is formed in the pipe wall of the feed pipe; a baffle plate is slidingly connected into the opening; the upper end of the right side wall of the shell is in threaded connection with a screw rod through a thread hole; one end of the screw rodextends into the shell, and is rotationally connected with the right side wall of a baffle plate through a rolling bearing; the other end of the screw rod extends to the external of the shell, and aturntable is fixedly arranged; two fixed blocks, symmetrically distributed, are fixedly arranged on the left inner side wall of the shell; support rods are arranged on opposite side walls of the two fixed blocks; and clamping plates are fixedly arranged at opposite ends of the two support rods. The crop dust removing device is convenient to operate, can quickly remove dust on crops, reduces environmental pollution, and meanwhile, can effectively filter the crops.

An anion integrated hot plate comprises heating elements (1), an insulating layer (2), a heat-insulating layer (3), a damp-proof layer (4), a heat-radiating base material layer (5) and a UV-light oillayer (6) with tourmaline particles. The heating elements (1) are coated with the insulating layer (2), and are arrayed evenly in the insulating layer. The insulating layer (2) is coated with the heat-insulating layer (3), the heat-insulating layer is coated with the damp-proof layer (4), the damp-proof layer (4) is coated with the heat-radiating base material layer (5), and the heat-radiating base material layer (5) is coated with the UV-light oil layer (6) with the tourmaline particles. In the UV-light oil layer (6) with the tourmaline particles, the diameter of the tourmaline particles is 4000-6000 meshes. By the anion integrated hot plate, indoor heating can be provided, and indoor PM2.5 can be purified.

The invention discloses a novel intelligent environment-friendly air purifier, comprising a base, a housing, a front filter net, an HEPA (high efficiency particulate air) filter net, a low-temperature asymmetric plasma, a motor, a fan blade, a control panel and a controller, wherein the housing is arranged on the base; air inlets are arranged at two sides of the housing; an air outlet is arranged in the front of the housing; a central frame is arranged inside the housing; the front filter net and the HEPA filter net are arranged between the central frame and the two air inlets; the front filter net is arranged at the outer side of the HEPA filter net; the low-temperature asymmetric plasma and the motor are arranged on the central frame; the fan blade is arranged on the motor; a sensor is also arranged inside the housing; the control panel is arranged in front of the housing and connected with the controller; the motor is connected with the controller. The novel intelligent environment-friendly air purifier has the characteristics of high air treatment speed, high efficiency, good effect and low power consumption; the air quality can be intelligently detected; air purification can be automatically started and stopped.

The invention discloses a dual-injection type injecting and dust-removing device and process. The dual-injection type injecting and dust-removing device comprises two injection gas transmission pipes and an injection pipe, wherein one injection gas transmission pipe is connected to an upper nozzle which is formed in the upper part of a filter cartridge of a dust remover; the other injection gas transmission pipe is connected to a lower nozzle which is formed in the lower part of the filter cartridge of the dust remover; the injection gas transmission pipe for supplying gas to the lower nozzle is connected to a dust-containing gas inlet pipeline of the dust remover; the injection gas transmission pipe for supplying the gas to the upper nozzle is connected to a gas outlet pipe of a gas purification chamber of the dust remover or an external gas supply device; the temperatures in the injection gas transmission pipes are controlled to be 350-750 DEG C; the pressures in the injection gas transmission pipes are controlled to be 0.5-2.5MP; the two injection gas transmission pipes are used for injecting alternately; the ratio of the injection times of the upper nozzle to the injection times of the lower nozzle is 1 to (0.5-4). By adopting the combined manners of internal injection and back blowing as well as external injecting and peeling at the bottom of the filter cartridge of the dust remover and controlling the selection of injection temperature and injection manners, the working efficiency of the device is improved and the operation cost is reduced.

The invention discloses a wood board polishing device for furniture production, and belongs to the technical field of polishing devices. The wood board polishing device comprises a box body, a negative pressure fan used for forming negative pressure in the box body is arranged at one end of the box body, a polishing mechanism is arranged in the box body, and the polishing mechanism comprises a limiting assembly used for driving a wood board to move; and a driving assembly used for driving the limiting assembly to move is arranged on one side of the limiting assembly, a cleaning assembly used for being matched with the limiting assembly to clean the wood board is arranged at one end of the limiting assembly, and a polishing assembly used for polishing the wood board is arranged at the other end of the limiting assembly. The wood board polishing device is simple in structure and convenient to use, during use, the wood board is rapidly polished through linkage cooperation of the limiting assembly, the driving assembly, the cleaning assembly, a dust removal assembly and the polishing assembly, efficient dust removal is carried out on the wood board while polishing is carried out, and the situation that the polishing effect of the polishing device is affected by dust residues is avoided.

The invention discloses a flue gas dust removing and denitration device. The flue gas dust removing and denitration device comprises a dust removing bin, a dust removing cloth bag, a denitration chamber, a denitration catalyst bed layer and a gas absorber, the dust removing cloth bag is arranged inside the dust removing bin, the top of the dust removing cloth bag is connected with the top of the dust removing bin, the denitration chamber is arranged at the upper end of the dust removing bin, the internal space of the dust removing cloth bag is communicated with the denitration chamber, the denitration catalyst bed layer is horizontally arranged inside the denitration chamber, the internal space of the denitration chamber is divided into two parts, and the gas absorber is connected with the top of the denitration chamber through a gas suction pipe and is communicated with the internal space of the denitration chamber. The flue gas removing and denitration device is simple and novel in structure, low in cost, high in dust removing and denitration speed and good in dust removing and denitration effect.

The invention discloses a protection case for a household computer host, and a use method thereof. The protection case comprises a case body, cooling holes, two sections of sliding rails, a lower baffle, a side case, an upper sliding plate, a handle, an inner case, a cover plate, a rotary hinge, reset springs, a pull handle, a data cable hole, a power lien hole, a dust-proof machine, a motor and an air vent. The protection case has the beneficial effects that two sides of the inner case are provided with a plurality of reset springs, so that the computer host can not generate a damage problemdue to shaking in a transportation and use process, and a buffer protection function is performed. One side of the case body is provided with the cooling holes, in addition, the dust-proof machine isarranged in the side case, so that the dust-proof machine can quickly remove dust in the case body, the cooling holes and the air vent are independently positioned on two sides of the case body, and the device can quickly remove dust and cool through the cooling holes during dust removal. Two sections of sliding rails are installed between the upper sliding plate and the lower baffle, and therefore, a user can freely and conveniently enable the upper sliding plate to slide according to different use situations.

The invention discloses a tile grinding head with a dust removing function. The tile grinding head comprises an installation frame with a lower end, wherein a dust removing component, of which the upper part is big and the lower part is small on the whole, is arranged at the edge of the lower end of the installation frame; the dust removing component comprises a plurality of dust removing brushes which are uniformly arranged on the installation frame; all the dust removing brushes incline downwards; the installation frame is further provided with a pressurizing cover which is used for pressing the dust removing component from top to bottom. The tile grinding head with the dust removing function is arranged on a grinding head rotation shaft of a grinding machine, the dust removing brushes can be in contact with the appearance surface of a grinded or polished tile through adjustment, and a rotation shaft can drive the dust removing component to rotatably clean the dust on the appearance surface of the tile; due to the pressurization of the pressurizing cover to the dust removing component, the dust removing component can be tightly pressed on the appearance surface of the tile, therefore the tile grinding head can well work all the time. The tile grinding head with the dust removing function has the advantages that the tile grinding head is arranged on the grinding machine, so that workers who perform dust removal operations for a long time can be prevented from suffering from pneumoconiosis, and the effects of quickness and excellence in dust removal are achieved. The tile grinding head with the dust removing function is applied to dust removal for tiles.

The invention discloses a telescopic computer case capable of achieving effective heat dissipation. The case comprises a second case shell and a first case shell installed above the second case shell,second plug boards are symmetrically arranged on the two sides of the first case shell, first slots used for clamping the second plug boards are formed in the second case shell, first plug boards aresymmetrically arranged on the two sides of the second case shell, second slots used for clamping the first plug boards are formed in the first case shell, a mounting plate is arranged above the firstcase shell, support rods are arranged at the four corners on the lower portion of the mounting plate, one end of each support rod penetrates through the first case shell and is connected to the second case shell, and a first rotating opening is formed in one side of the mounting plate. According to the case, the very good heat dissipation effect can be achieved, by adjusting the case easily, thewhole case can achieve the rapid and efficient telescopic effect, and then the interior capacity of the whole case is adjusted rapidly.

The invention discloses a pulse bag type dust collection device and a method thereof. The dust collection device comprises a bracket, a box structure arranged on the bracket and a pulse bag type dust collection device arranged in the box structure, wherein an air inlet is formed at the bottom of the box structure, an air outlet is formed at the upper part of the box structure, the air inlet is connected with an inlet of the pulse bag type dust collection device, and the air outlet is connected with the outlet of the pulse bag type dust collection device. According to the invention, by arranging the pulse bag type dust collection device to dispose dust in a factory workshop, dust in the workshop can be adsorbed by utilizing match of a tapered suction port with reasonable air speed, then an induced draft fan is used for providing power so that the dust enters the pulse bag type dust collection device, the dust is captured by the inner surface of a filter bag, and purified gas is discharged to the atmosphere via the air outlet of the pulse bag type dust collection device; the whole dust collection process is simple and rapid, dust in the air can be collected and disposed in time, and an effect of quickly removing dust can be achieved.