747 results about "Bag filter" patented technology

The invention relates to the technical field of dust removers, and discloses a bag-type dust remover for sintering waste gas treatment and a fracturing propping agent ceramsite sand preparation technology.The bag-type dust remover for sintering waste gas treatment comprises a dust filtering chamber, a dust collecting chamber is arranged below the dust filtering chamber, and the bag-type dust remover further comprises a dust filtering unit; the first supporting plate and the second supporting plate are vertically arranged in parallel, a transverse plate is arranged below the first supporting plate, a plurality of dust filtering assemblies are horizontally arrayed on the first supporting plate and the second supporting plate, each dust filtering assembly comprises a polygon prism-shaped filter cylinder, a cylinder support is arranged in each filter cylinder, and each cylinder support comprises a plurality of parallel supporting ribs; and during dust filtration, the filter cartridge and the cartridge support are in a twisting state. According to the device, by increasing the surface area and the wrinkle density of a filter material, the smoke dust collecting capacity per unit volume is remarkably improved, and the filtering efficiency is improved compared with that of a traditional cylindrical filter cartridge; the pulse airflow excites the reciprocating torsional vibration of the filter cartridge, and the energy storage effect of the inertia disc and the conical spring is combined, so that the smoke dust falling rate is increased.

The invention relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover in a hazardous waste incineration system, the bag-type dust remover comprises a shell and a filter bag assembly, the shell is provided with two air chambers which are communicated with each other, and an air inlet and an air outlet which respectively correspond to the positions of the two air chambers; the filter bag assembly is arranged at the communicating part of the two air chambers and used for filtering air, the filter bag assembly comprises a filter bag and a screen frame used for supporting the filter bag, the screen frame is provided with a first end part and an annular side part composed of a plurality of elastic supporting strips, and the annular side part is provided with a first opening and a second opening which are opposite to each other; the first opening is fixed at the communicating part of the two air chambers, the second opening is fixedly provided with a first end part, the filter bag is sleeved outside the annular side part, and two ends of the filter bag are respectively fixed with the first end part and the communicating part. The inner side of the filter bag can be effectively supported during flue gas purification, and when caked dust is attached to the outer side of the filter bag, the caked dust on the outer side of the filter bag can be rapidly removed.

The invention relates to an energy-saving method for automatic adjustment and use of flue gas waste heat recovery of a garbage power plant, and solves the technical problems that an existing garbage incineration power plant is low in garbage incineration efficiency, the temperature of discharged flue gas is high, and heat of acid flue gas cannot be effectively utilized. A flue gas heat exchanger is arranged from the outlet of the bag-type dust collector to the middle section of the chimney for gas-water heat exchange, and sensible heat in flue gas is extracted to generate heat medium water; 2, the heating medium water is conveyed to a heat exchange unit through a pipeline, and temperature rising and heating of the deoxygenated water are achieved; and 3, the heat medium water subjected to heat exchange and cooling continues to provide heat for the air heating system, and primary air entering the garbage incinerator is heated or hot air entering the garbage bin is heated. The device can be widely applied to waste incineration occasions of waste incineration power plants.

The utility model relates to the technical field of filtering equipment, in particular to a high-efficiency bag filter which comprises a barrel and a supporting foot stool, a barrel cover is arranged at the top of the barrel, a hand wheel rocker arm lifting mechanism is connected to the barrel cover, a liquid inlet pipe and a liquid outlet pipe are arranged on the barrel, and a partition plate is arranged below a barrel opening of the barrel. The inner cavity of the barrel body is divided into an upper cavity body and a lower cavity body by the partition plate, a plurality of filtering openings are uniformly distributed in the circumferential direction of the partition plate, a filtering component is mounted on each filtering opening, a liquid inlet pipe outlet is formed in the position, corresponding to the liquid inlet pipe, of the partition plate, and a flow guide component for guiding waste liquid into the filtering openings is further arranged above the partition plate. By arranging the flow guide cone and the guide plate, waste liquid is guided to flow into the filter bag, the waste liquid is prevented from being retained on the platform for containing the net cylinder, and the problems that the filter bag is blocked, the entering of the waste liquid is influenced under the condition that the entering amount of the waste liquid and the filtering amount are unbalanced, and the continuity of waste liquid recovery operation is influenced are solved. And finally, the continuity of industrial production is influenced.

The utility model discloses a storage device for improving the stability of carbon black, which comprises a stock bin, a stirring mechanism and a ventilation mechanism are arranged in the stock bin, the stirring mechanism comprises a stirring shaft arranged in the stock bin and stirring blades arranged on the stirring shaft, the stirring blades are arranged in a multi-layer and multi-angle mode, the stock bin is communicated with a nitrogen storage tank, and the nitrogen storage tank is communicated with the ventilation mechanism. A first electric valve is arranged on a connecting pipeline of the stock bin and the nitrogen storage tank, an oxygen concentration sensor and a humidity sensor are arranged in the stock bin, and the oxygen concentration sensor is interlocked with the first electric valve; the ventilation mechanism comprises an annular ventilation pipeline arranged on the lower portion of the stock bin, a plurality of ventilation holes facing the stirring shaft are formed in the annular ventilation pipeline, and the annular ventilation pipeline communicates with an air blower. The humidity sensor is interlocked with the blower; an air outlet is formed in the top of the stock bin and sequentially communicated with the cyclone separator, the bag-type dust collector and the induced draft fan. The device can effectively prevent the carbon black from absorbing moisture, oxidizing and caking, so that the storage stability of the carbon black is improved, and the dust raising phenomenon can be effectively avoided.

Disclosed in the present invention are a refining device for medicinal ethyl oleate and a use method therefor. The refining device comprises a preset negative pressure vacuum batching apparatus, a vacuum pump, a dynamically adjustable memory reaction kettle, a discharge three-way pipe, a plate-frame circulating filtration assembly, a bag-type filter, a preset negative pressure vacuum finished product storage tank, a second centrifugal pump, and a barrel-type cartridge filter. The preset negative pressure vacuum batching apparatus is in communication with the dynamically adjustable memory reaction kettle; the discharge three-way pipe is disposed at a lower end of the dynamically adjustable memory reaction kettle; an input end of the plate-frame circulating filtration assembly and an input end of the bag-type filter are respectively in communication with and arranged at the other two ends of the discharge three-way pipe; the preset negative pressure vacuum finished product storage tank is in communication with and arranged at an output end of the bag-type filter. The present invention pertains to the field of ethyl oleate production, and specifically provides a refining device for medicinal ethyl oleate and a use method therefor, which overcomes the inability of existing ethyl oleate refining devices to control the peroxide value physicochemical index of the product, and facilitates more uniform and thorough stirring and mixing of materials.

The invention relates to the technical field of asphalt concrete production, in particular to a bag-type dust remover for stone dust recycling, which comprises a dust removal bin, a pattern plate is fixedly mounted on the upper side in the dust removal bin, a plurality of mounting holes are formed in the pattern plate, dust removal bags and a bag cage are mounted in the mounting holes, and an air outlet cylinder is rotatably mounted in the bag cage. A plurality of expansion units which are uniformly arranged up and down are mounted on the outer side of the air outlet cylinder, expansion rings are mounted on the expansion units, and the expansion rings are fixedly connected with the cloth bag cage; through radial expansion and retraction of the expansion ring, a hardened layer on the surface of the filter bag can be effectively broken, meanwhile, the subsequent pulse back-blowing dust removal effect is improved, and the dust recovery efficiency is ensured; when the dust collection bag is locally damaged, the dust collection bag can prevent dust-containing air flow from flowing out through the air outlet cylinder, so that the dust collection bag can still maintain a normal filtering function in other areas except the damaged position, thereby reducing environmental pollution and ensuring the dust collection efficiency.

The invention relates to the technical field of cloth bag dust removal equipment, in particular to a self-cleaning industrial cloth bag dust remover which comprises a dust hopper, a box body is mounted at the upper end of the dust hopper, a cover plate is mounted at the upper end of the box body, a pore plate is mounted in the box body, a dust removal assembly is arranged in the pore plate, and a plurality of rotating rings are rotationally connected into the pore plate. The cloth bag filter element and the frame are both installed in the rotating ring, the frame is located in the cloth bag filter element, the cleaning assembly is installed at the lower end of the pore plate, the multiple sets of guide frames are all installed at the lower end of the pore plate, the lifting shells are all slidably connected to the circumferential faces of the guide frames, the lifting shells are connected through the connecting rods, and the multiple rotating rods are all rotatably connected into the lifting shells. According to the dust removal device, through the effects of the dust removal assembly and the cleaning assembly, the surface of the cloth bag filter element is made to make uniform contact with dust in air, meanwhile, it is avoided that too much dust is accumulated at the lower end of the cloth bag filter element firstly, and the effect that the whole cloth bag filter element absorbs dust uniformly is achieved.

The utility model relates to the technical field of water treatment, and discloses a daily chemical wastewater treatment system. The daily chemical wastewater treatment system comprises a primary filtering system, a biochemical treatment system, a chemical disinfection device, a middle filtering system and a reverse osmosis system which are connected in sequence along the water flow direction, the primary filtering system comprises a self-cleaning filter; the middle filtering system comprises a bag type filter and an activated carbon filter which are connected in sequence. The daily chemical wastewater treatment system provided by the utility model is suitable for deeply treating effluent of a daily chemical wastewater sewage station, pollutants such as organic matters, chlorides and total dissolved solids in water can be effectively removed, microorganisms such as bacteria can be killed, the hardness, turbidity and conductivity of a water body can be reduced, and the treated effluent can be used for production; water resources are saved, the production cost is saved, and environmental pollution is reduced; the treatment system is easy to operate, high in safety, high in practicability and suitable for application and popularization.

The invention relates to the technical field of ammonium dihydrogen phosphate preparation, and discloses a high-purity ammonium dihydrogen phosphate crystallization device and a method thereof.The high-purity ammonium dihydrogen phosphate crystallization device comprises a first-stage crystallization system, a first-stage centrifugal separation system, a second-stage crystallization system and a second-stage centrifugal separation system which are connected in series. The primary crystallization system comprises a crystal elimination heater, a crystal elimination mixer, a bag filter and a DTB flash cooling crystallizer which are connected in sequence, and is used for primarily purifying a concentrated solution; the primary centrifugal separation system is used for separating primary crystals; the second-stage crystallization system comprises a crystal dissolving tank, an OSLO cooling crystallizer and the like, and deep crystallization is carried out after the first-stage crystal is dissolved; the secondary centrifugal separation system is used for separating secondary crystals; through two-stage crystallization coupling, mother liquor graded circulation, a unique gradient washing process and active impurity control, efficient and continuous production of battery-grade ammonium dihydrogen phosphate with wet-process phosphoric acid as a raw material is realized, the product purity is high, the process flow is simplified, the cost is low, and the system operation is stable.

The invention discloses a five-axis numerical control cutter grinding machine which comprises a base, a grinding wheel, a driving device, a driving device and a control device. The grinding machine main body is fixedly mounted on the base and is positioned in the protective cover; the multi-stage filtering system is mounted in the waste liquid treatment tank and comprises a magnetic separation mechanism, a vortex separator, a bag type filter and an oil-water separator which are connected in sequence; wherein the magnetic separation mechanism comprises a first fixed plate and a second fixed plate, and the first fixed plate and the second fixed plate are respectively and fixedly arranged in the waste liquid treatment tank; the supporting cylinders are fixedly mounted between the first fixing plate and the second fixing plate; the rotating cylinder is annular and is rotatably arranged in the supporting cylinder, and a plurality of deflection grooves which are uniformly distributed in the circumferential direction are formed in the inner side of the rotating cylinder in the axial direction; and the separation plate is rotationally arranged in the deflection groove, and the two side faces of the separation plate are attached to the two ends of the deflection groove in a sealed mode.

The utility model discloses a double bag-type dust collector for treating high-chlorine-content flue gas, which comprises a first bag-type dust collector, one side of the first bag-type dust collector is connected with a first dry-type reactor, and the other side of the first bag-type dust collector is connected with a second dry-type reactor. The first dry-type reactor is connected with a first bag-type dust collector communicated with the first dry-type reactor, the second dry-type reactor is connected with a second bag-type dust collector communicated with the second dry-type reactor, the lower end of the first dry-type reactor is provided with a flue gas inlet, one side of the second bag-type dust collector is provided with a flue gas outlet, and the flue gas outlet is connected with a flue gas treatment reactor. The first bag-type dust collector and the second bag-type dust collector are used for deacidifying and dedusting the high-chlorine-content flue gas at the same time. According to the utility model, the reaction time of the chlorine-containing flue gas and the medicament in the bag-type dust collector is effectively prolonged, so that the reaction efficiency is improved.

The application discloses a container type lithium battery energy storage group and relates to the technical field of lithium batteries. The technical key points of the application include a battery box shell, a fixed frame fixed equidistantly in the inside of the battery box shell, lithium battery groups arranged between the fixed frames, a door cover arranged on the front face of the battery box shell, a rain blocking block fixed on the back face of the upper end of the battery box shell, a limiting shaft sleeved in the inside of the rain blocking block, and through hole blocks fixed respectively on the upper and lower ends of the side face of the limiting shaft. The technical effect is that the heat dissipation fan is started to guide the cold air outside into the inside of the battery box shell through the filter screen block, the filter screen block and the drying agent bag filter and dehumidify the gas respectively, the position of the two through hole blocks is adjusted by rotating the limiting shaft, the device can filter and prevent moisture for the lithium battery group, the position of the two through hole blocks is adjusted by rotating the limiting shaft, the drying agent bag is dried, and the air permeable block is back flushed to clean dust.

The utility model provides a VIGA dust remover energy-saving deashing device based on differential pressure-temperature double control, the deashing device is arranged in a bag-type dust remover, an inlet of the bag-type dust remover is communicated with a discharge port of a VIGA, the lower end of the bag-type dust remover is provided with a collecting mechanism used for collecting filtered dust, and the collecting mechanism is provided with an air inlet and an air outlet. The collecting mechanism comprises a guiding assembly arranged at the lower end of the bag-type dust collector, a collecting box is arranged on the lower portion of the guiding assembly, and the guiding assembly is used for guiding dust at the lower end of the bag-type dust collector into the collecting box. And the dust is prevented from remaining at the lower part of the bag-type dust collector, raising along with the dust cleaning operation of the dust cleaning mechanism, and adhering to the outer side of a cloth bag again after dust cleaning is completed, so that the subsequent cleaning efficiency of the bag-type dust collector is influenced, the cleaning frequency is increased, the energy consumption is increased, and the service life of the bag-type dust collector is also shortened.

The present application relates to waste incineration technical field, specifically to a kind of waste incineration flue gas low temperature corrosive test platform and working method.The platform includes the first pipeline connected with the flue gas outlet of bag filter and the second pipeline connected with the flue gas outlet of flue gas cooler, the outlet of the first pipeline and the outlet of the second pipeline are connected with first flue gas main pipe;The first flue gas main pipe is connected with multiple parallel heat exchange branch lines;Each heat exchange branch line is provided with heat exchanger, the heat exchange branch line is provided with flowmeter, flue gas volume regulating valve, temperature measuring point and induced draft fan;The outlet of the heat exchange branch line is connected with second flue gas main pipe, and the outlet of the second flue gas main pipe is connected with chimney and communicates;The cooling water outlet of all heat exchangers is connected with the first cooling water main pipe of cooling tower;The cooling water inlet of all heat exchangers is connected with the second cooling water main pipe of cooling tower.The test platform can be used for the corrosion resistance test and evaluation of various materials.

The utility model provides a waste cracking tail gas treatment device. The waste cracking tail gas treatment device comprises a bag-type dust collector, a washing tower, a desulfurizing tower, a dry filter and an activated carbon device, the waste cracking tail gas enters the bag-type dust collector from a gas inlet of the bag-type dust collector, a gas outlet of the bag-type dust collector is communicated with a gas inlet of the washing tower, a gas outlet of the washing tower is communicated with a gas inlet of the desulfurizing tower, a gas outlet of the desulfurizing tower is communicated with a gas inlet of the dry filter, and a gas outlet of the dry filter is communicated with a gas inlet of the activated carbon device. Heavy metal substances such as mercury in the tail gas are removed through the washing tower and the activated carbon device, so that the problem that the mercury content of the tail gas discharged into the atmosphere exceeds the standard is solved; intercepting particulate matters in the tail gas through filtering equipment such as a bag-type dust collector and a dry filter; pollutants such as acidic substances, nitrogen oxides and carbon monoxide in the tail gas are removed through the desulfurization tower, the carbon monoxide removal device and the oxynitride treatment device, and finally the tail gas reaches the standard and is discharged.

A modular water filter system has an enclosure defining an enclosed space. The enclosure includes a base, a plurality of walls, and a roof surrounding the enclosed space. A water filter system is positioned within the enclosed space. The water filter system includes an inlet configured to receive raw water. A bag filter is coupled to the inlet. A first hose has a first end coupled to the filter and a second end coupled to a first Per- and Polyfluoroalkyl Substances (PFAS) or other treatment vessel. A second hose has a first end coupled to the first treatment vessel and a second end coupled to a second treatment vessel. A third hose has a first end coupled to the second treatment vessel and a second end coupled to a resin trap. An outlet is coupled to the resin trap and is configured to discharge filtered water.

The utility model relates to a multifunctional air conditioner for an industrial building. A rack forms a closed structure through a plurality of side plates arranged around the rack; outdoor fresh air can enter the machine frame through the outdoor air inlet, is filtered through the bag type filter, is preheated or precooled through the energy recovery heat exchanger, and is blown out from the indoor air outlet under the action of the first fan. Indoor air can enter the rack through the indoor air inlet and is exhausted through the outdoor air outlet, so that indoor contaminated air is exhausted outwards; indoor air can also enter the rack from the indoor air inlet, the air return valve is opened, the indoor air is blown out from the indoor air outlet after passing through the energy recovery heat exchanger and the first fan, and indoor air circulation is achieved. Outdoor fresh air introduction, indoor vitiated air discharge and indoor air circulation are integrated in the rack, different functions are achieved according to requirements, the equipment integration degree is high, space utilization is reasonable, and operation and maintenance are convenient.

The utility model relates to the technical field of dust removers, in particular to a novel air box pulse bag type dust remover, which comprises an air box pulse bag type dust removal device main body, a purification component is fixedly arranged in the air box pulse bag type dust removal device main body, and an adjusting component is arranged at the front end of the air box pulse bag type dust removal device main body. When impurities are discharged through the cleaning pipeline, the impurities are intercepted by the filter screen and adsorbed to the position above the filter screen, meanwhile, the motor is started to enable the induced draft fan to rotate to blow dust, the filter screen adsorbs the dust, and the impurities fall onto the dust storage plate. Meanwhile, a water pipe of the dust falling box body sprays a water source above the filter screen to degrade dust, the dust is prevented from being guided out, meanwhile, a glass plate structure is arranged at the front end of the device, a pipeline can be arranged in the device, and when much sundries and dust are accumulated, cleaning is facilitated.

The utility model discloses a kind of metal particulate matter control system, including buffer tank, buffer tank is connected with first bag filter, first bag filter is connected with several groups total filter components, total filter components have circulating filter piece, total filter components include finished product storage tank, finished product storage tank is connected with magnetic filter, magnetic filter is connected with first filter, first filter is connected with second filter, second filter is connected with packing machine;NMP in finished product storage tank is extracted by circulating pump and is sent into second bag filter, third filter, finished product storage tank, realizes the circulating filtration of NMP, can more stably filter NMP, there are less particulate matter in NMP, the multi-pass process grading filtration of NMP is realized by first bag filter, magnetic filter, first filter, second filter, avoid relying on some filter centralized to NMP, reduce the degree of jam, can improve the flow efficiency of NMP, filtering effect is good, and filtering efficiency is high.

The present invention relates to a non-woven filter media (100, 200) comprising: - a first melt-blown layer (102, 202) comprising fibers made from a polymer material, wherein the polymer material comprises a thermoplastic resin and at least one of a charge adjuvant and a nucleating agent; - a second layer (104, 204); and - a third layer (106, 206) arranged between the first layer and the second layer, the third layer being made of electrospun nanofibers. The present invention also relates to a filter element comprising this filter media and to a bag filter for a heating, ventilation and air conditioning system, where the bag filter comprises the filter media or the filter element.

The utility model discloses a 1,4-butynediol rectification tower system, the crude butynediol storage tank's discharge gate is linked with crude butynediol delivery pump feed port, and crude butynediol delivery pump discharge gate is connected with the feed port of 1,4-butynediol stripping tower in proper order through bag filter no.

The utility model provides a system for increasing the temperature of a dry quenching calcium-based dry desulfurization agent, which belongs to the technical field of dry quenching desulfurization and comprises a dust removal system, a desulfurization system, an electric tracing band, a heat exchanger and a compressed air pipeline, the dust removal system comprises a dust removal cover, a low-temperature dust removal pipeline, a high-temperature dust removal pipeline, a heat storage cooler, a bag type dust collector, a dust removal fan and an exhaust funnel, the dust removal cover is arranged at the discharge port of the dry quenching body, and the dust removal cover, the low-temperature dust removal pipeline, the heat storage cooler, the bag type dust collector, dust removal air and the exhaust funnel are sequentially connected; the two ends of the high-temperature dust removal pipeline are respectively connected with the dry quenching body and the heat storage cooler; according to the system, when the calcium-based dry desulfurization system is under the working condition in winter, the purposes of enhancing the desulfurization effect, reducing the content of a desulfurizing agent and reducing the operation and maintenance cost are achieved.

This utility model discloses a mechanical cold-press sludge treatment device, including a sludge mechanical cold-press deep dewatering system, a dried sludge incineration waste heat recovery system, and a flue gas purification system; it includes a wet sludge storage silo, a primary sludge conveying pump, a sludge conditioning machine, a secondary sludge conveying pump, a sludge distributor, a sludge cold press, a sludge feeder, a dry sludge storage silo, a sludge feeder, a sludge incinerator system, a waste heat boiler system, an SNCR in-furnace denitrification system, an electrostatic precipitator, a dry deacidification tower, an activated carbon injection system, a bag filter, a lime-gypsum wet deacidification tower, a low-temperature SCR denitrification system, an induced draft fan, and a chimney; this utility model achieves sludge dewatering and drying at room temperature through mechanical cold-pressing technology to reach the conditions for self-sustaining combustion, and then incinerates the dried sludge through a bubbling circulating fluidized bed incineration, fully recovering the heat released from sludge incineration for power generation or heating, thereby realizing the resource utilization of sludge.

The application discloses a kind of respiratory dust separation devices based on electrocoagulation, including horizontal pipeline and detection pipeline, detection pipeline is installed in horizontal pipeline right end pipe orifice position, electrocoagulation flow guide separation structure is installed in horizontal pipeline, detection pipeline is installed with detection separation circulation structure, the dust leakage opening of the lower wall surface of the connection of horizontal pipeline and detection pipeline is opened, bag filter structure is installed below dust leakage opening;The application relates to the field of respiratory dust separation technology, solves the accumulation of the existing respiratory dust separation equipment with the increase of working time, needs to be cleaned frequently, the persistence is poor, needs to be maintained by staff to its separation structure, the efficiency is lower, and operation is more complicated.

This utility model discloses a bag filter dust collector, designed with two air inlet pipes, one for primary use and one for backup, facilitating the addition of additional equipment to be processed. The technical solution is as follows: A bag filter dust collector includes a housing and a hopper. The hopper is located at the bottom of the housing and communicates with it. Multiple dust bags are housed inside the housing. A pulse backflushing device and an air outlet are located at the top of the housing. A discharge device is located at the bottom of the hopper. A first air inlet pipe and a second air inlet pipe are located at the end of the hopper facing away from the air outlet. The inner diameter of the first air inlet pipe is larger than that of the second air inlet pipe. This invention belongs to the field of dust removal technology.

This invention discloses a dust removal device for rice noodle processing, relating to the field of dust removal technology. It includes a support frame, a dust collection box, a top plate, a discharge port, an air inlet pipe, an exhaust pipe, an air blower, a flexible hose, a partition, dust collection bags, a cleaning mechanism, and an installation mechanism. The invention utilizes a cleaning mechanism where the dust collection bags filter airborne dust. When excessive dust accumulates on the dust collection bags, the discharge port is opened and the exhaust pipe is closed to prevent air leakage during subsequent backflushing cleaning, which could affect the cleaning effect. Simultaneously, the dust collection bags are automatically vibrated to dislodge some of the dust. Then, the air blower is activated to backflush the dust collection bags, blowing off any remaining dust. This facilitates the cleaning of dust generated during rice noodle processing through the dust collection bags. Furthermore, the vibration and backflushing processes prevent excessive dust accumulation on the dust collection bags from negatively impacting the dust removal efficiency.

The utility model relates to the technical field of bag-type dust collectors, in particular to a bag-type dust collector convenient to maintain, which comprises a bag-type dust collector body, and a traveling mechanism and a vibration separator are arranged on the bag-type dust collector body. The vibration separator with the electromagnet is utilized, when a cloth bag is replaced and maintained, the vibration separator is moved to a tubesheet or a tubesheet hole through the walking mechanism, the vibration separator is put down through the winding device, the electromagnet is opened, and then the vibration separator can be fixed to a cage skeleton in the tubesheet or the cloth bag; and accumulated dust and adhesion are effectively treated. An operator does not need to repeatedly lift and place the cloth bag, so that the labor cost is greatly saved.

The utility model relates to the technical field of chipping collecting devices, and discloses a part machining chipping collecting device which comprises a small trolley, universal wheels are fixedly connected to the outer surface of the lower end of the small trolley, a hand-push handrail is fixedly connected to the outer surface of the upper end of the small trolley, a vertical block is fixedly connected to the outer surface of the upper end of the small trolley, and the vertical block is fixedly connected to the outer surface of the lower end of the small trolley. When the device is used, chippings blown into a suction inlet can be filtered and classified through a coarse filter screen and a fine filter screen, and the classified chippings can enter a first drawing box, a second drawing box and a third drawing box from a first discharging opening, a second discharging opening and a third discharging opening correspondingly; according to the dust removal device, the dust in the air can be filtered through the arranged cloth bag filter screen, pollution to the working environment caused by discharging of gas with the dust can be avoided, a good working environment can be created for the worker, and a better use prospect can be brought.

A bag filter and a bag-type folding filter element thereof are characterized in that a cylinder cover capable of being opened and closed is arranged on a cylinder shell, the bag-type folding filter element and a pressure plate group are detachably arranged in the cylinder shell, the bag-type folding filter element comprises a core pipe, a folding filter material, an outer pipe, an inner pipe and a positioning plate, the folding filter material is arranged on the outer edge of the core pipe in a surrounding manner, and the positioning plate is arranged on the outer edge of the core pipe. An inner pipe at the bottom end of the positioning disc extends into the core pipe and the top cover, the positioning disc is provided with a pipe hole communicated with the inner pipe, a sealing gasket is arranged on the outer edge of the positioning disc, and a hand lifting part avoiding the center of the pipe hole is arranged on the inner edge of the pipe hole, so that the pressing disc group can really extrude the positioning disc and the sealing gasket for airtight positioning; and the bag type folding filter element can filter pollutants with the size of 0.001 mu m or more, so that the bag type folding filter element meets the use requirements of precision electronic industry equipment.