130results about How to "Efficient dust removal" patented technology

The invention discloses an oil gas dust removal and purification system capable of intelligently sensing and adjusting air volume and pressure balance. The oil gas dust removal and purification system comprises an intelligent monitoring and control module based on a system architecture, an air volume optimization and dust removal processing module and a pressure management and safe discharge module, and the intelligent monitoring and control module comprises an environmental data acquisition module and an intelligent decision and execution module; the air volume optimization and dust removal treatment module comprises an air volume intelligent adjusting module and an efficient dust removal and filtering module. Compared with the prior art, the system has the advantages that the air volume and the pressure are intelligently adjusted; efficient dust removal and purification are realized; and the safety performance is improved.

According to the technical scheme, the wafer turnover device comprises a machine body, a mechanical arm is installed on the machine body, a supporting rod is installed at the tail end of the mechanical arm, a fixing frame is installed on the supporting rod, an adjusting piece is rotationally connected to the fixing frame, a rubber film is installed at the bottom end of a fixing disc, and a sliding disc is connected to the machine body; a spraying strip is connected to the sliding disc, a rolling rod is installed on a rotating shaft of the second motor, and an adhesive tape is installed on the rolling rod; according to the invention, by controlling the rotation of the adjusting sheet, the large-size wafer can be conveniently adsorbed, the adjustment is convenient, gas enters the inner part of the outer ring through the through hole and is slowly sprayed out from the blowing hole, so that the rubber film is blown to bulge, the softness of the rubber film is ensured, the diameter of the outer ring is large, and the large-size wafer can be conveniently adapted; and a certain gap exists between the outer ring and the rubber film under the action of air pressure, so that the rubber film is relatively soft, damage to the wafer is avoided, dust on the surface of the wafer is removed by ion wind, the dust is adhered to an adhesive tape, and secondary adhesion is avoided.

The invention belongs to the technical field of construction waste treatment, and discloses a construction waste crushing treatment device for house building construction. Comprising a crusher body and a base; the top end of the base is fixedly connected with a conveying frame through multiple sets of elastic sheet plates. The feeding end of the conveying frame communicates with the discharging end of the pulverizer body through a hose. A strong magnetic roller is installed in the conveying frame, a driving mechanism is installed between the base and the conveying frame, and materials in the conveying frame are conveyed in a vibrating mode through matched use of the driving mechanism and an elastic piece plate. A shifting mechanism is mounted between the base and the conveying frame, and metal fragments adsorbed on the strong magnetic roller are shifted to one side of the conveying frame through the shifting mechanism; according to the device, metal fragments adsorbed on the strong magnetic roller can be effectively removed, and the metal removal efficiency and accuracy are improved.

The invention relates to a discrete dust treatment system and method, and belongs to the technical field of dedusting, the discrete dust treatment system comprises a machine body assembly, the machine body assembly is provided with an air inlet, an air outlet and a first opening, and the machine body assembly is provided with a first mounting cavity and a second mounting cavity; the filter cartridge assembly is arranged on the machine body assembly and located in the first mounting cavity, the filter cartridge assembly is provided with a filter cavity and a second opening, and the air inlet, the first mounting cavity, the filter cavity, the second opening, the first opening and the second mounting cavity are sequentially communicated; the blowing assembly is arranged on the machine body assembly, the blowing assembly is provided with an air inlet and an air outlet, the air inlet is communicated with an external air source, the air outlet is communicated with the filtering cavity, the blowing assembly is provided with an air conveying channel, and the air inlet, the air conveying channel and the air outlet are sequentially communicated. According to the discrete dust treatment system disclosed by the invention, the dust on the surface of the filter cartridge assembly is instantly blown through the blowing assembly, so that the dust cleaning efficiency is greatly improved.

The utility model discloses a wet dust removal device for a steel slag production line, which comprises a dust remover body, a dust-containing air shell arranged at the top of one side of the dust remover body, a purified air discharge port arranged at the top of the other side of the dust remover body, a spraying chamber arranged inside the dust-containing air shell, and a plurality of atomizing nozzles arranged at the top of the inner wall of the spraying chamber, a water supply pipe is arranged at the top of the dust-containing air shell, a dust removal chamber is arranged on one side in the dust remover body, a dehydration chamber is arranged on the other side in the dust remover body, an S-shaped bend is arranged on one side of the inner wall of the dust removal chamber, and a rotating shaft is rotationally connected to the bottom of one side of the inner wall of the dust removal chamber; three layers of arc-shaped baffles are arranged on one side of the inner wall of the dewatering chamber, and a baffle plate is arranged on the upper portion, close to the three layers of arc-shaped baffles, of the inner wall of the dewatering chamber, According to the wet dust removal device for the steel slag production line, dust-containing gas is treated by the whole wet dust remover in multiple modes, dust removal is efficient, and the dust removal effect is good.

The invention provides a driving face environment management system. The driving working face environment management system comprises a sensing device, a dust removal device and a controller. The sensing device is arranged on the heading machine and comprises a dust sensor; the dust removal device is arranged on a cantilever of the heading machine, and the dust removal device and the cantilever can move relatively in the first direction, so that the dust removal range of the dust removal device is adjustable; the controller is electrically connected with the sensing device and the dust removal device, the controller is used for controlling motion parameters of the dust removal device according to a detection signal of the sensing device, and the motion parameters comprise at least one of the motion stroke, the motion direction and the motion speed. According to the scheme, the problems that in the prior art, when the dust concentration of the driving working face exceeds the standard, manual adjustment is needed, efficiency is low, and potential safety hazards exist are solved.

The invention provides a smoke dust filter bag, and relates to the technical field of filter bags, the smoke dust filter bag comprises a plurality of internal rods installed on the inner side of a framework at equal intervals, each internal rod is symmetrically and rotatably provided with a rotating sleeve, the internal rods are coaxially and fixedly provided with a middle ring, the upper end and the lower end of the middle ring are respectively provided with a bidirectional spring, and the two ends of the middle ring are provided with two-way springs. The two-way springs are connected to the upper rotating sleeve and the lower rotating sleeve respectively, each rotating sleeve is provided with a folded plate, and the inner rod is slidably connected with one-way wheels. In the design aspect of a dust removal mechanism, a convenient dust removal system is adopted, and through ingenious cooperation of the inner rod and the rotating sleeves and combination of an energy storage mechanism of the two-way springs, the dust removal efficiency is improved; the impact dust removal device is formed, when it is detected that the filtering pressure is reduced, the dust removal process can be triggered by increasing the air inlet pressure without shutdown, the continuous operation capacity of equipment is effectively improved, and the uniformity and reliability of the dust removal effect are ensured through the symmetrical design of the impact heads and a synchronous impact mechanism.

The utility model relates to the technical field of automobile decorating part production, and discloses an automobile decorating part spraying line electrostatic dust collection device which comprises a supporting frame, a spraying transmission line is installed above the supporting frame, a supporting cover is fixedly connected to the upper surface of the supporting frame, and a dust collection assembly is installed on one side of the interior of the supporting cover. A filtering assembly is mounted on the upper surface of the supporting cover; the dust removal assembly comprises a supporting plate and a first ion wind bar, the two ends of the first ion wind bar are fixedly connected to the inner wall of the supporting plate, a hydraulic rod is fixedly connected to the upper surface of the supporting cover, the output end of the hydraulic rod is fixedly connected to the upper surface of the supporting plate, and a first limiting rod is fixedly connected to one side of the outer wall of the supporting plate. According to the utility model, the decorating parts are conveyed to the lower part of the supporting cover through the spraying conveying line, and the fan I blows clean air flow for preliminary dust removal; the hydraulic rod drives the supporting plate and the first ion wind bar to ascend and descend, the angle of the second ion wind bar is adjusted, efficient dust removal is achieved, and the practicability of the device is improved.

A raw material adding device for plastic product production comprises a box body, a conveying roller in the horizontal direction is arranged in the box body in a penetrating mode, the two ends of the conveying roller are arranged on the inner wall of the box body, lyophobic holes are formed in the conveying roller, a partition plate is arranged in the middle of the interior of the box body and divides the interior of the box body into a coating area and a dust removal area, and the coating area comprises a water pump, a material storage box, a liquid outlet pipe and a spray head; a storage box is arranged at the top of the box, a water pump is arranged on one side of the storage box, a liquid outlet pipe is inserted below the storage box and penetrates through the outer wall of the box, a nozzle is arranged below the liquid outlet pipe, and a motor is arranged on the side, away from the storage box, of the top of the box. Efficient dust removal of the surfaces of raw materials is achieved through the cleaning brush and the dust collection system; the height of the cleaning brush is adjusted through the electric telescopic rod, and the cleaning brush can adapt to raw materials of different specifications; the dust suction pipe is connected with the outside of the box body and sucks dust generated in the dust removal process, so that the dust is effectively prevented from polluting the working environment, and the cleanliness and the overall quality of a product are improved.

The utility model discloses a heat -proof sealing strip surface dust removal device, including dust removal device connection total component, the upper surface of dust removal device connection total component installs and is equipped with the operation handle, the inner ring surface of dust removal device connection total component limit inserts and is equipped with the protective housing, the inner ring surface of protective housing limit clamps and is equipped with fixed connecting block, the lateral surface fixed connection of fixed connecting block has output motor, the output shaft top of output motor fixed sleeve has the connection assembly, the bottom surface installation of connection assembly is equipped with the mounting panel, the lateral surface fixed connection of mounting panel has the connecting sleeve block, the inner ring surface limit of connecting sleeve block inserts and is equipped with the limit insertion rod. The utility model discloses the cooperation and use of the limit insertion rod and the cleaning dust removal board of setting, and after cleaning dust removal board is close to sealing strip, can carry out efficient use removal to its surface dust and pasting.

The utility model discloses an integral dust removal system for a workshop, which relates to the technical field of dust removal and comprises a dust collection pipeline, a bag-type dust remover, an air compressor, an induced draft fan, a spray tower and an exhaust pipeline, the dust collection pipeline is connected into a plurality of stations, an air inlet of the bag-type dust remover is connected with the dust collection pipeline, and the air compressor is communicated with the bag-type dust remover through a pipeline. An air inlet of the induced draft fan is communicated with an air outlet of the bag-type dust collector through a pipeline, an air inlet of the spray tower is communicated with an outlet of the induced draft fan through a pipeline, and the exhaust pipeline is communicated with an air outlet in the top of the spray tower through a pipeline. According to the utility model, cloth bag dust removal and spray tower dust removal are carried out in sequence, high-efficiency dust removal and deep purification can be realized through graded purification, the ultra-low emission requirement is met, and gaseous pollutants are removed at the same time; the system stability is improved; and dust escape and secondary pollution are prevented. The included angle between the dust collection pipeline and the horizontal plane can prevent smoke dust from accumulating in the pipeline due to horizontal laying of the pipeline.

The utility model provides a constant tension sizing machine for textile engineering, which relates to the technical field of sizing machines, solves the problem that dust may remain on yarns when the conventional sizing machine rolls, and comprises a mounting table, a support rod is mounted on the surface of the mounting table, a mounting plate is mounted on the surface of the support rod, and the mounting plate is mounted on the surface of the mounting table. A set of mounting rods are mounted at the two ends of the surface of the mounting plate, the mounting rods are sleeved with extension springs, a moving plate is mounted at the ends, away from the mounting plate, of the extension springs, the mounting rods penetrate through the moving plate, dust removal cloth is mounted on the surfaces of the moving plate and the mounting plate, and a winding mechanism is mounted on the surface of the mounting table. The device can be used for effectively removing dust from yarns, and the quality of finished products is improved.

The utility model relates to the technical field of drying machines, and discloses a drying machine for iodide production, which comprises a workbench, the upper surface of the workbench is fixedly connected with a dust removal bin, the inside of the dust removal bin is fixedly connected with a water pipe, one end of the water pipe is fixedly connected with a water tank, and the inside of the water pipe is fixedly connected with an atomizing nozzle. A dust collection plate is slidably connected to the interior of the dust removal bin, a sliding rod is slidably connected to the interior of the dust removal bin, the outer wall of the sliding rod is sleeved with a first spring, one end of the first spring is fixedly connected to the interior of the dust removal bin, and the other end of the first spring is fixedly connected with a clamping block. According to the dust removal device, the fan is matched with the filter cover for primary filtration, so that the problems that dust is difficult to capture and is accumulated on the cloth bag are solved, and the effects of efficiently removing dust, conveniently treating the dust in time and prolonging the service life of the dust removal device are achieved.

This utility model relates to the field of electrical equipment dust removal technology, and discloses an electrical dust collector for thermal power plants, including a collection box, a movable plate, and a blower. An upper plate parallel to the movable plate is fixed above it. An air pump is installed between the upper plate and the movable plate. The outlet of the air pump is connected to the blower via a flexible hose. Multiple air outlet pipes communicating with the interior of the blower are evenly connected to the side of the blower. A top cover is placed on top of the collection box, and a side opening communicating with the interior is opened on the surface of the top cover. A bottom plate is horizontally fixed to the lower interior of the collection box, and a downward-blowing fan is installed between the bottom plate and the bottom of the collection box. This utility model's technical solution, by combining a blower for blowing away dust and a collection box for collecting dust, utilizes the air from the air pump to remove dust from electrical equipment, and the blown-down dust can be quickly collected into the collection box. It achieves efficient dust removal through air blowing while simultaneously preventing dust diffusion during the dust removal process.

The utility model discloses a dust removal device for graded dust fall by using a filter bag and a vibrating wire grid filter screen, which comprises a dust removal box body and a control system, and a filter bag assembly, the vibrating wire grid filter screen and an exhaust fan are arranged in the dust removal box body; the exhaust fan is arranged at one end of the dust removal box body, the filter bag assembly is installed at the end, away from the exhaust fan, of the dust removal box body, a first gravity sensor is installed at the bottom of the filter bag assembly, a blowing device is installed on the side, away from an air inlet of the dust removal box body, of the filter bag assembly, and a support for installing the blowing device is fixed in the dust removal box body. An air inlet of the blowing device is connected with an air compressor through a pipeline; the vibrating wire grid filter screens are installed on one side of the blowing device, second gravity sensors are installed at the bottoms of the vibrating wire grid filter screens, and vibrating strips are arranged at the bottoms of the vibrating wire grid filter screens. The dust removal device can effectively remove dust particles with different particle sizes in air, can remove dust particles adsorbed and retained on the filter bag and the vibrating wire grid filter screen, guarantees the dust removal effect, and is high in automation degree.

The dust removal device for mine construction comprises a water storage tank, universal wheels which are symmetrically distributed are fixedly installed on the two sides of the bottom of the water storage tank, a water inlet pipe is fixedly installed on the upper portion of one side of the front face of the water storage tank in a penetrating mode, and a water drainage pipe is fixedly installed on the lower portion of the front face of the water storage tank in a penetrating mode. A partition plate is fixedly installed on the upper portion of the interior of the water storage tank. According to the dust removal device for mine construction, through driving of the electric telescopic rod, the height of the dust collection channels can be rapidly adjusted, after the dust collection channels are adjusted to the proper height, the air pump is controlled to start to work through the switch, and the air pump enables the multiple dust collection channels to generate suction force at the same time through the air suction pipeline, the telescopic pipe, the movable pipe and the connecting pipe; due to the installation position of the dust collection channel, the dust collection channel can collect dust in multiple directions at the same time, the coverage range is wide, the dust removal range is greatly widened, and workers do not need to frequently adjust the position of the dust collection channel through the device.

The utility model discloses a spray flushing device for wet electric dust removal, which relates to the technical field of wet electric dust removers and is applied to a dust remover body, a support plate is detachably mounted at the upper end of the dust remover body, an inclined shovel ring is arranged on the lower side of the bottom end of the support plate and can linearly reciprocate along the vertical direction, and an annular groove is formed in the inclined shovel ring. A water pump is fixedly arranged on one side of the upper end of the supporting plate, and a second hose is arranged between the water pump and the annular groove. Dust is removed through vertical movement of the inclined shovel ring, the dust on the surface of the dust collection polar plate is effectively cleaned through movable spraying of the spray head, meanwhile, the situation that the dust is splashed by water flow to fly around can be reduced through the structural design of the inclined shovel ring, and unclean treatment is effectively avoided.

The utility model discloses dust removal equipment for crushing bentonite, which comprises a dust removal cover, a flow guide pipe, a cyclone separator and a bag-type dust remover, and a dust outlet of the dust removal cover is connected with a tangential air inlet of the cyclone separator through the flow guide pipe; a top outlet of the cyclone separator is communicated with an air inlet of the bag-type dust collector through a pipeline; a conical dust collecting hopper at the bottom of the cyclone separator is connected with a dust collecting box through a dust discharging valve; a filter bag group is arranged in the bag-type dust collector, a pulse dust cleaning device is arranged at the top of the bag-type dust collector, and the outlet end of the bag-type dust collector is connected with an induced draft fan through an air pipe; through the combination of the cyclone separator and the bag-type dust collector, the cyclone separator is firstly used for pre-separation, most dust particles are separated out, and then the bag-type dust collector is used for further filtration, so that the overall dust collection efficiency is improved, the cyclone separator is used as a pre-separation device, large-particle dust can be removed in advance, and the dust collection efficiency is improved. The amount of dust entering the bag-type dust collector is reduced, and the loss speed of the filter bag is effectively reduced.

This utility model relates to the field of dust collector technology, and in particular to a water curtain dust collector, comprising a tower body, a Venturi tube connected to the lower side wall of the tower body, a screen installed on the inner side of the lower part of the tower body, several baffles installed below the screen, and a water collection tank connected to the lower end of the tower body. Both the screen and the baffles are hollow. A sedimentation tank is connected to the water collection tank. The upper outer wall of the sedimentation tank is connected to the screen and baffles via a water supply and heating pipeline. The outlets of the screen and baffles are connected to the water collection tank via a return water pipeline. This water curtain dust collector, by using a hollow screen and baffles and constructing a water circulation heating system using a water collection tank, sedimentation tank, water supply and heating pipeline, and return water pipeline, achieves several advantages. Firstly, the heated circulating water flows within the screen and baffles, increasing their surface temperature and effectively preventing the solidification and accumulation of sticky particles due to temperature reduction, thus solving the problem of flow channel blockage and extending the equipment maintenance cycle.

The invention discloses a petrochemical waste gas treatment device which comprises a pipeline for conveying waste gas, the pipeline comprises a straight pipe section, a throat pipe section and an output section, a tower spring-shaped circulating water pipe is arranged in the straight pipe section, the circulating water pipe is provided with a water inlet and a water outlet which extend outwards, and the inner diameter of the throat pipe section is smaller than that of the straight pipe section and that of the output section. A washing ring pipe is arranged on the outer wall of the throat pipe section, a plurality of nozzles are fixed to the circumference of the washing ring pipe in an array mode and penetrate through the pipe wall to extend inwards, the output section is communicated with the outer wall of the treatment tower, a particle capturing mechanism is arranged in the treatment tower, and the top of the treatment tower is communicated with a cyclone dust collector through a conveying pipeline. An exhaust pipe is arranged at the top of the cyclone dust collector; the petrochemical waste gas treatment device can effectively cool, dedust and desulphurize waste gas during use, prevents dust-containing and sulfur-containing waste gas from being directly discharged to influence the environment, and is suitable for popularization and use.

The utility model provides a kind of thermal insulation board processing cutting device, including workbench, the upper side of workbench is equipped with two installation grooves, the inside of installation groove is provided with clamping mechanism, the side of workbench is fixedly connected with L-shaped support plate, the upper side of L-shaped support plate is equipped with two hydraulic cylinders, the output end of two hydraulic cylinders extends to the lower side of L-shaped support plate and is fixedly connected with a fixed plate, the lower side of fixed plate is equipped with cutting knife, the lower side of fixed plate is slid and elastically cooperated with two pressing plates, two pressing plates are arranged on the both sides of cutting knife. By setting collection shell, negative pressure fan, cutting groove, drawer box and cleaning mechanism, the cutting debris generated is dropped into collection shell through cutting groove, the suction force generated by negative pressure fan quickly sucks the scattered debris, avoids accumulation workbench, at the same time, cleaning mechanism prevents filter screen blockage, ensures that negative pressure fan continues efficient work, realizes effective dust removal and cleaning.

The utility model provides a desulfurization, denitrification and dust removal integrated device which comprises a treatment tower, a dust removal box is fixedly mounted on the inner wall of the bottom end of the treatment tower, a first liquid storage tank is fixedly mounted at the top end of the dust removal box, two second liquid storage tanks are fixedly mounted on the inner side wall of the treatment tower, and top umbrellas are fixedly mounted on the inner side walls of the two second liquid storage tanks. The top umbrellas and the bottom umbrellas are arranged, the bottom ends of the top umbrellas are communicated with a plurality of communicating pipes, the bottom ends of the communicating pipes are communicated with a bottom umbrella, an annular grid is fixedly installed on the outer side of the bottom umbrella, and the outer side of the annular grid is fixedly connected with the inner side wall of the treatment tower. According to the smoke dust treatment device, smoke dust can firstly flow from top to bottom through the bottom umbrella, so that the smoke dust flows from bottom to top to the outlet from the top umbrella after penetrating through the annular grid, the time of the smoke dust and desulfurization and denitrification liquid can be prolonged in a limited space after the smoke dust flows through the bottom umbrella and the top umbrella, and the smoke dust treatment efficiency of the whole device is improved.

This utility model discloses a dust collector with a self-cleaning filter element function, including a housing. An air inlet is provided at the upper end of the housing. A horizontal plate is fixedly connected inside the housing, and a vertical plate is fixedly connected to the lower end of the horizontal plate. The horizontal and vertical plates divide the internal space of the housing into an air intake chamber, a filter chamber, and an installation chamber. An opening is provided at the rear side of the installation chamber. A suction assembly is installed at the upper end of the horizontal plate, and the air outlet of the suction assembly communicates with the filter chamber. Four filter elements are installed in the filter chamber. Each filter element includes a first circular opening on the vertical plate, a second disc rotatably connected to the first circular opening, and three horizontal bars fixedly connected to the front side of the second disc. This utility model can quickly remove dust from the airflow using four dust collectors, and facilitates the installation and disassembly of the filter element body. Furthermore, the horizontal pipes and transmission assembly can blow off and collect dust from the filter element body.

The present invention relates to the field of solid waste incineration treatment, and specifically to a fly ash separation system for industrial solid waste incineration treatment, including a flue gas cooling and preliminary treatment unit, an acid gas and heavy metal removal unit, a dust removal treatment unit, a flue gas cleaning and emission unit and a fly ash collection and treatment unit. The dust removal treatment unit includes a dust removal box and a bag filter. The dust removal box is provided with a partition. A guide tube is provided on the partition for each bag filter. A movable frame for fixing the bag filter is slidably provided in the guide tube. A vibration component is also provided in the dust removal box. The present invention uses precise airflow control and a vibration cleaning mechanism to evenly disperse the flue gas on the surface of the bag filter, avoid local concentration of the flue gas, ensure that particulate matter in the flue gas is removed to the maximum extent, and at the same time, the dust on the surface of the bag filter is continuously shaken off, maintaining the efficient and long-term filtering performance of the bag filter.

The utility model discloses a kind of air knife dust removal devices, it includes cloth guide roller group, first dust collection mechanism, second dust collection mechanism, first air knife assembly and second air knife assembly, cloth guide roller group includes first cloth guide roller and second cloth guide roller, first dust collection mechanism and first air knife assembly are installed in the front side of fabric between first cloth guide roller and second cloth guide roller and are aligned with fabric setting, second dust collection mechanism and second air knife assembly are installed in the reverse side of fabric between first cloth guide roller and second cloth guide roller and are aligned with fabric setting, and the air outlet of first air knife assembly is towards the dust collection port of first dust collection mechanism, the air outlet of second air knife assembly is towards the dust collection port of second dust collection mechanism. It is penetrated by first air knife assembly and second air knife assembly to the front and back of fabric and carries out penetrating blowing dust removal, then by first dust collection mechanism and second dust collection mechanism dust collection, improve cleaning effect, realize the efficient dust removal of fabric.

The invention relates to the technical field of textile conveying devices, and discloses an industrial textile finished product conveying device which comprises a first support, a control panel is arranged at the top of the first support, an adjusting knob is arranged on the outer wall of the first support, and a workbench is arranged on the side, close to the control panel, of the outer wall of the first support. A plurality of bottom supporting seats are arranged at the bottom of the workbench, a second supporting seat is arranged at the top of the workbench, and a first rotating shaft is arranged on the inner wall of the second supporting seat. According to the industrial textile finished product conveying device, due to the fact that the protrusions are arranged on the conveying rollers and are made of rubber, friction force is effectively increased; the tension is insufficient due to slipping when the textile fabric is conveyed, the insufficient tension causes wrinkles of a winding mechanism at the rear end when the textile fabric is wound, the integrity of a finished product is damaged, and the protrusions made of rubber are added to the conveying rollers, so that the fragile fabric is effectively prevented from being damaged when the textile fabric is conveyed.

The invention relates to a welding device, in particular to a welding device with dust and slag removal functions for welding, which is provided with two telescopic plates, two second guide rods, two second transmission rods, two second push plates, two motors and two polishing rollers which interact and support each other. The two telescopic plates are arranged on the two sides of the base correspondingly, the two second guide rods are arranged below the two telescopic plates correspondingly, the two second push plates are arranged below the two second guide rods correspondingly, the two second transmission rods are arranged on the sides of the two second push plates correspondingly, and the two grinding rollers are arranged at one ends of the two second transmission rods correspondingly. According to the welding device with the dust removal and slag removal functions for welding, slag removal operation is conducted in the first time after welding operation is completed, and splashing substances generated in the welding process can be effectively prevented from being attached to the surfaces of materials for a long time.

The utility model provides a circulating spraying dust removal device which comprises a shell, an air inlet hole is formed in the top of the shell, a spraying cavity communicated with the air inlet hole is formed in the shell, a water storage bin communicated with the spraying cavity is arranged at the bottom of the shell, and a circulating spraying assembly is arranged between the water storage bin and the spraying cavity. A dust removal cavity communicated with the spraying cavity is formed in the shell, a dust removal bin communicated with the dust removal cavity is arranged on the side wall of the shell, and air outlet holes are formed in the side wall of the dust removal bin. The device has the advantage of dedusting the flue gas.

The utility model discloses a dust removal device of a mining unloading station, which relates to the technical field of mining equipment and comprises an unloading station body and a dust removal box, one side of the unloading station body is provided with the dust removal box, the top end of the dust removal box is fixedly provided with a fan box, one side of the dust removal box is connected with a dust-gas pipeline in a circulating manner, and the dust-gas pipeline is provided with a fan. And an air volume adjusting valve is fixedly mounted in the middle of the dust-gas pipeline. The fan box of the dust removal device of the mining unloading station extracts dust-containing gas generated by the unloading station body through the dust-gas pipeline and the dust hood, the air volume adjusting valve on the dust-gas pipeline can adjust the air volume, the dust-containing gas enters the dust removal box to be treated, dust is discharged from the bottom dust discharge port, and purified gas is discharged from the purified gas outlet. The water pump above the water tank conveys water to the water supply pipe annularly distributed on the outer side of the dust suction hood through the connecting water pipe and the water supply pipe, then the water is sprayed out through the multiple mist spray heads on the inner side to spray and reduce dust in the dust suction hood, the fixing frame is used for stabilizing the water supply pipe, efficient dust removal is achieved, and the unloading station environment is improved.

The utility model discloses a kind of ultraviolet light weathering test chamber with protective device, belong to ultraviolet light test chamber technical field, it includes: test chamber, the inside of two sides of test chamber is provided with mounting plate, two groups of mounting plate one side is fixedly installed with short plate, between two groups of short plate located in the same side is fixedly installed with ultraviolet lamp tube, the inside of two sides of test chamber is all set with placing groove and sliding slot, it is convenient to install, dismount and double fixing for mounting plate and ultraviolet lamp tube quickly, so that ultraviolet lamp tube can be replaced in time when failure or aging occurs, avoid the accuracy of test result due to lamp tube performance decline influence, can efficiently remove dust and impurity such as chippings generated in purification process, prevent its accumulation in test chamber, reduce the dust on the surface of lamp tube, avoid impurity to cause pollution or interference to sample, ensure the reliability of test result.