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209 results about "Baghouse" patented technology

A baghouse,also known as a baghouse filter, bag filter, or fabric filter is an air pollution control device and dust collector that removes particulates or gas released from commercial processes out of the air. Power plants, steel mills, pharmaceutical producers, food manufacturers, chemical producers and other industrial companies often use baghouses to control emission of air pollutants. Baghouses came into widespread use in the late 1970s after the invention of high-temperature fabrics (for use in the filter media) capable of withstanding temperatures over 350 °F (177 °C).

Paint mist treatment system for polishing primer chamber

The invention belongs to the technical field of paint spraying waste gas treatment equipment, and particularly relates to a polishing primer chamber paint mist treatment system capable of improving fine paint mist trapping efficiency, which comprises a box type glass fiber filter, a bag type dust collector, an activated carbon adsorption assembly and a desorption catalytic oxidation unit. Paint spraying waste gas is firstly subjected to inertia retardation of a glass fiber structure and fiber trapping to achieve paint mist pre-filtration, and then enters a bag type dust collector to be subjected to deep fine filtration; the follow-up VOC airflow is guided into the activated carbon adsorption unit to be concentrated and adsorbed. An adsorption air path provided with an air inlet valve and a desorption air path provided with an air outlet valve are interlocked and switched, VOC in activated carbon is desorbed and transferred to a desorption pipeline in a hot air desorption mode, waste gas subjected to cold supplementing and air mixing adjustment finally enters a catalytic bed, catalytic oxidation is completed at the low temperature, reaction conditions are maintained through a combustor, and purified gas is discharged after reaching the standard through a chimney. The device has the advantages of high paint mist trapping efficiency, high activated carbon adsorption utilization rate, low catalytic oxidation energy consumption and the like.
Owner:JIANGSU QILI COATING ENVIRONMENTAL ENG CO LTD

Baghouse unloading device

The utility model relates to industrial production technical field, concretely is a kind of bag dust collection's unloading device, including star unloader and the hopper of installation in the top of star unloader, it is characterized by: the impeller middle section of star unloader is evenly distributed with multiple radial extension's flower board along the circumference.The bag dust collection's unloading device, by the pushing effect of flower board to ejector rod when star unloader impeller rotates, makes ejector rod to drive cross rod periodically to the material in hopper to carry out agitation and knock, effectively prevents material accumulation blockage, the setting of elastic reset component makes ejector rod can be automatically reset, need not additional power source, simple structure, energy consumption is low, the cooperation of petal-shaped flower board and inclined guide hole, makes ejector rod not only can move up and down in movement process, can also produce horizontal direction's swing, enhances the disturbance effect to material, further improves anti-blocking efficiency, improves the overall reliability of device, reduces maintenance cost and downtime.
Owner:GEZHOUBA ZHONGXIANG CEMENT CO LTD

Bag-type dust collector for collecting and treating zinc smoke

The invention provides a bag-type dust remover for zinc smoke collection and treatment, and belongs to the technical field of smoke dust removal equipment. Comprising a sealing base clamped at a top tubesheet hole of a dust remover main body, an insertion cylinder is inserted into the inner wall of the sealing base, a cloth bag sleeves the outer wall of the insertion cylinder, a plurality of first clamping pieces are fixedly connected to the outer wall of the insertion cylinder, and a plurality of third avoiding grooves are formed in the inner wall of the sealing base; two clamping grooves matched with an elastic expansion ring of a cloth bag are formed in the inner wall of the sealing base, a clamping plate is fixedly connected to the outer wall of the bottom of the sealing base, and a plurality of segmented grooves are formed in the outer wall of the clamping plate; the auxiliary mounting assembly can facilitate the disassembly and assembly of the cloth bag, and is connected with the insertion cylinder. By arranging the auxiliary mounting assembly, the cloth bag can be quickly dismounted and mounted, a worker can conveniently maintain and replace the cloth bag, and the sealing performance between the cloth bag and a pattern plate hole can be improved.
Owner:YUNNAN JINGBANG TOWER MANUFACTURING CO LTD

A cleanroom air conditioning dust removal system

This utility model relates to a cleanroom air conditioning and dust removal system, belonging to the field of cleanroom technology in the pharmaceutical industry. The system includes a combined cleanroom air conditioning unit, a bag filter, an air supply duct network, a high-efficiency filter air outlet, a return air duct network, a dust removal exhaust hood, a dust removal static pressure box, a dust concentration sensor, and a controller. The bag filter is rigidly connected to the air conditioning unit side-by-side and fixed to the floor of the equipment room, eliminating interference from the equipment to the cleanroom. The outlet of the bag filter is directly connected to the mixing section of the air conditioning unit through the return air duct network, forcibly reusing the dust-removed air as return air. The dust concentration sensor is embedded in the inner wall of the dust removal static pressure box, directly exposed to the dust-laden airflow channel. This application significantly reduces the air conditioning cooling and heating load by physically reducing the demand for fresh air; the centralized layout of the equipment room frees up space in the cleanroom, improving the convenience of operation and maintenance; and the closed-loop dust collection and multi-stage filtration ensure the stability of cleanliness levels D and above.
Owner:CHINA LIGHT IND NANNING DESIGN ENG

Movable dust removal equipment for steel ladle hot repair

The utility model relates to movable dust removal equipment for steel ladle hot repair, and belongs to the field of steelmaking continuous casting dust removal. The two guide rails and the two supporting bridges are fixedly arranged on the ground; the multiple hubs are arranged on the supporting bridge frame and connected to the guide rails in a rolling mode. The dust hood is mounted on the supporting bridge frame, and a bag type dust collector and a fan are mounted at the top of the dust hood; an air inlet pipe is fixedly arranged at an inlet of the bag type dust collector and is communicated to a dust collection cover opening of the dust collection cover; an outlet of the bag type dust collector is fixedly provided with an air outlet pipe, the air outlet pipe is communicated to a draught fan, the device travels to the position above a steel ladle to be subjected to hot repair, the dust removal mode is started before the steel ladle is subjected to hot repair, and by means of the sealing characteristic of the dust removal device, excessive wild wind suction is avoided, and dust overflow is avoided. When the steel ladle is subjected to hot repair, the fan is started; and when no task exists, the fan operates at low frequency or stops, so that the operation cost can be greatly saved, and considerable social benefits are achieved.
Owner:CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD

High-temperature metal bag type dust collector with state self-sensing function

The invention discloses a high-temperature metal bag type dust collector with a state self-sensing function, and relates to the technical field of bag type dust collectors, the high-temperature metal bag type dust collector with the state self-sensing function comprises a support, a dust collection bin is mounted on the support, a flow equalizing bin is mounted below the dust collection bin, and a mounting plate is mounted in the dust collection bin; a plurality of mounting holes are formed in the mounting plate, filter bags are mounted on the mounting holes, an air inlet is formed in one side of the flow equalizing bin, an air inlet pipe is mounted on the air inlet, a pulse piece is mounted on the air collecting bin, an adjusting assembly is arranged at each mounting hole, the pulse pieces are adjusted in real time by detecting working conditions, and a flow dividing assembly is arranged on the flow equalizing bin. The high-temperature flue gas uniformly flows to each filter bag, and the adjusting assembly can monitor the air pressure difference in the dust removal bin in the filter bag in real time so as to judge whether a hot spot or a cold area appears on the filter bag or not, control the pulse dust removal strength according to the detection result, weaken the influence of the hot spot or the cold area, and improve the filtering efficiency and the filtering quality of the filter bag.
Owner:JIANGSU ANDA ENVIRONMENTAL PROTECTION TECH

Baghouse chamber structure for submerged arc furnace negative pressure

ActiveCN224585533URealize online backflush cleaningImplement bag replacement and maintenanceBaghouseDust control
The utility model discloses a kind of baghouse structure of large cloth bag dust collector of submerged arc furnace negative pressure, including support, baghouse and cloth bag group, baghouse is installed on support, baghouse is equipped with cloth bag group inside, the inside of the baghouse is separated into multiple independent chambers by installing partition, every independent chamber is provided with dust discharge hopper, air inlet pipeline, exhaust pipeline and blowback mouth, blowback mouth is communicated with each blowback mouth by blowback pipeline.The baghouse structure of large cloth bag dust collector of submerged arc furnace negative pressure, through the working mode of multiple-chamber independent dust filtering, can realize on-line blowback dust cleaning and bag replacement maintenance, realize separate dust removal operation control.
Owner:NINGXIA SHUN TAI SMELTING CO LTD

Pulse type bag-type dust collector for rice production line

The utility model provides a pulse type bag-type dust collector for a rice production line, which relates to the field of pulse type bag-type dust collectors, and comprises a device shell, the lower end of the device shell is connected with an ash hopper, the lower end of the ash hopper is connected with an ash discharge port, the outer wall of the device shell is provided with an air storage tank, and an air outlet of the air storage tank is connected with an air ejector pipe. An air spraying pipe is arranged in the device shell and inserted into the device shell, meanwhile, the lower end of the air spraying pipe is connected with a Venturi pipe, an electromagnetic pulse valve is connected into a pipeline of the Venturi pipe, the lower end of the Venturi pipe is connected with a filter bag, the upper side of the filter bag is connected with an auxiliary suction mechanism, and a cleaning mechanism is arranged in the device shell. And the cleaning mechanism is arranged on the outer side of the filter bag. The pulse bag type dust collector for rice processing solves the problems that in the prior art, a pulse bag type dust collector for rice processing has dust collection efficiency deviation, and accumulated dust on the inner wall of a device shell cannot be cleaned.
Owner:YANGZHOU HUALIANG MASCH MFG CO LTD

Bag type dust collector

The utility model provides a bag type dust collector, which relates to the field of dust collectors and comprises a bag type dust collector body and a dust hopper, the bag type dust collector body is positioned above the dust hopper; an inner cavity of the bag type dust collector body is communicated with the dust hopper; the ash hopper is provided with a feeding hole; a discharge hole is formed in the top of the bag type dust collector body; the filter assembly in the inner cavity comprises a tubesheet, a bag cage and a filter bag; the bag cage is fixedly connected with the vent holes in the tubesheet; the bag cage is sleeved in the filter bag; the bag cage comprises longitudinal ribs, supporting rings and annular scrapers; the supporting rings are fixed with the longitudinal bars; each annular scraping plate is positioned between two adjacent supporting rings; an iron sheet is arranged in the annular scraping plate; an electromagnet and a first driving mechanism are arranged in the inner cavity; the first driving mechanism drives the electromagnet to move in the vertical direction, and the annular scraper moves along with the electromagnet. According to the utility model, the problem that the filtering efficiency is reduced due to the fact that part of the filter bags cannot be contacted with gas immediately when the filter bags are separated by the moving plate when the moving plate is adopted to control the bristles to clean the filter bags in the prior art can be solved.
Owner:JIANGSU DONGCHENG ENVIRONMENTAL ENG CO LTD

Method for predicting residual life of filter bag of bag type dust collector based on multiple pressure sensors

The invention relates to the technical field of bag type dust collectors, in particular to a method for predicting the residual life of a filter bag of a bag type dust collector based on multiple pressure sensors. The multiple pressure sensors are evenly distributed in the bag type dust collector, the sound sensor collects air pressure signals generated in the running process of the filter bag in real time, the cumulative load and the blocking condition of the filter bag are determined by analyzing the local air pressure gradient value of the time domain air pressure signals, and therefore the health state of the filter bag can be judged; the data of the pressure sensors at different positions are fused through the fusion model, so that the accuracy of the monitoring data can be greatly improved, the influence of interference factors can be reduced, the residual life of the filter bag can be intuitively reflected, and the situation that a technician cannot replace the filter bag in time due to early warning information lag is avoided.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

A cloth bag dust collector

ActiveCN122076110BBaghouseDust control
This invention relates to the field of dust removal equipment, specifically a baghouse dust collector, including a dust collection tower. The dust collection tower contains several conventional filter cartridges arranged in an array. Inside each conventional filter cartridge, a fine filter cartridge is installed via a connecting assembly to replace the dust cake layer. The dust collector also includes a valve assembly for controlling the airflow. This invention uses fine filter cartridges to replace the dust cake layer outside the conventional filter cartridges, thereby enabling the fine filter cartridges to filter submicron-sized dust. This prevents a large amount of fine dust from penetrating the filter cartridges before the dust cake layer rebuilds after cleaning, thus preventing emission peaks and ensuring the stability of emission concentrations. This invention uses a valve frame to seal and protect the fine filter cartridges, and allows pulsed airflow to enter the interior of the conventional filter cartridges for pulse cleaning. Finally, the outlet airflow of the fine filter cartridges is opened, allowing the airflow to pass sequentially through the conventional filter cartridges and the fine filter cartridges, thereby enabling the fine filter cartridges to replace the dust cake layer for filtration.
Owner:SHANDONG ADA ENVIRONMENTAL PROTECTION ENG CO LTD

Soot baghouse dust collector

This utility model discloses a dust collector for flue gas and dust, relating to the field of waste gas treatment. The key technical features are: a housing and several filter bags; the top of each filter bag is snapped onto the top surface of the housing; a fixing ring is fixedly connected to the bottom surface of each filter bag; several fixing plates are detachably connected to the inner wall of the housing; the fixing rings are detachably connected to the fixing plates; and a through groove is provided on the top surface of each fixing plate. When the fixing plate is connected to the fixing ring, the filter bag is taut, thus keeping it in an extended state, avoiding the need for a frame and ensuring the effective filtration area of ​​the filter bag surface. The PTFE material has good tensile strength, thereby ensuring the service life of the filter bag in a stretched state. The through groove penetrates the fixing plate, ensuring that the flue gas passes smoothly through it.
Owner:SHAOXING JIEZE ENVIRONMENTAL PROTECTION TECH CO LTD

A tobacco stem pretreatment system and method

The application provides a tobacco stem pretreatment system and method, and belongs to the technical field of tobacco processing. The system comprises a cloth bag dust collector, a feeding conveyor belt, a light weight removing device, a throwing device, a pneumatic conveying device, a buffer cabinet, a stem crook removing machine, a feeding conveyor belt and a quantitative feeding device. The light weight removing device is arranged below the throwing device. The light weight removing device comprises a removing mechanism, a supporting seat, an inclination adjusting mechanism and a feeding mechanism. The removing mechanism comprises two side plates, and three first synchronous shafts arranged in a triangular shape are arranged between the two side plates. After a first driving motor is started, the first synchronous shaft can drive a transmission assembly, and the transmission assembly can drive the nylon cloth belt to rotate continuously. The rubber roller is in a static state, the nylon cloth belt is rubbed with the rubber roller and generates static electricity, so that the second type of light weight impurities can be attracted, thereby helping to remove the second type of light weight impurities mixed in the tobacco stem.
Owner:CHINA TOBACCO SHANDONG IND

Dust filtering method of bag type vacuum filtering dust removal system

The invention relates to a dust filtering method of a bag type vacuum filtering dust removal system, which comprises the following steps: emitting laser or infrared light to a dust removal cloth bag, synchronously detecting the light intensity after penetrating through the cloth bag and the light intensity before penetrating through the cloth bag, and calculating the dust content of the dust removal cloth bag according to the attenuation of the light intensity after the laser or infrared light penetrates through the cloth bag. Calculating the thickness of the outer ash layer of the cloth bag based on the Lambert-Beer law, collecting the thickness data of the outer ash layer of the cloth bag at a plurality of time points in the initial stage, and constructing a model for predicting the time required for the ash layer to reach the preset threshold thickness according to the thickness data of the outer ash layer of the cloth bag. According to the dust filtering method of the bag type vacuum filtering dust removal system, by calculating the time when the dust layer reaches the preset threshold value and setting the backwashing interval, mechanical damage of high-frequency blowing to the cloth bag is avoided, the service life of the cloth bag is prolonged, it can be ensured that the dust layer does not exceed the critical thickness influencing the filtering efficiency when backwashing is triggered, and the filtering efficiency is improved. The dust removal efficiency of the system is stable.
Owner:HEBEI QIAOTAI ENVIRONMENTAL PROTECTION EQUIP CO LTD

Bypass ventilation system with series-parallel multi-stage cyclones

The utility model discloses a bypass ventilation system with multiple stages of cyclone cylinders connected in series and in parallel. The bypass ventilation system with the multiple stages of cyclone cylinders connected in series and in parallel comprises an air taking opening, shock cooling equipment, a primary cyclone cylinder, an efficient cyclone cylinder and an exhaust fan which are sequentially connected. The insertion depth L of the inner barrel of the efficient cyclone barrel is set to be 1200-5200 mm, and the air speed of an air inlet of the efficient cyclone barrel is set to be 20-30 m / s. According to the bypass ventilation system with the multi-stage cyclones connected in series and in parallel, the efficient cyclones are used for replacing a bag type dust collector, secondary cooling is not carried out on smoke any more, the temperature of a waste gas outlet is increased, and the working quality of follow-up waste gas treatment equipment is guaranteed.
Owner:ANHUI CONCH DESIGN & RES INST OF BUILDING MATERIALS CO LTD +1

Cloth bag quick connecting mechanism of cloth bag dust collector

ActiveCN224194326UOperational efficiency impactConvenient replacement and processing effectsDispersed particle filtrationTransportation and packagingSolenoid valveBaghouse
The utility model discloses a cloth bag quick connection mechanism of a cloth bag dust collector, which belongs to the technical field of blast furnaces and comprises a cloth bag dust collector, a flue gas pipe, a dust discharge port, a waste box, a baffle plate, an air compressor, a pulse electromagnetic valve, a gas ejector pipe, a gas ejector head, an exhaust pipe, an exhaust fan, an air guide frame, a mounting groove A, a support frame A, a grid net rack, a mounting groove B and a cloth bag, smoke pipes are embedded in the two sides of the bag-type dust collector, the other ends of the smoke pipes are provided with blast furnace smoke exhaust pipes in a matched mode, and a dust exhaust opening is formed in the lower portion of the bag-type dust collector in an embedded mode. After a worker pushes the grid net rack to drive the supporting frame A to slide out of the mounting groove A to complete dismounting, other grid net racks are dismounted in the same mode, and after maintenance, quick mounting is conducted in the same mode, so that the worker can conveniently and quickly dismount, mount and maintain the whole grid net rack, and the working efficiency is improved. And the overall disassembly and assembly of the plurality of grid net racks do not waste a lot of time to influence the operation efficiency of the blast furnace.
Owner:HUNAN YIFANG ENVIRONMENTAL PROTECTION TECH CO LTD

Pulse bag filter convenient for cleaning dust

The utility model provides a kind of pulse bag filter convenient to clean ash, belong to dust collector field, including box, the dust removal component for filtering dust and other impurities in gas is fixedly installed in the inside of box, dust cleaning assembly for periodically removing dust is fixedly installed in the inside of box.The utility model when dust-containing gas enters from the box air inlet under the negative pressure effect generated by suction fan, pass through multiple filter bags, filter bag is efficiently trapped dust by the interception of surface fiber, inertial collision and diffusion effect, while fixed frame provides stable support for filter bag and maintains its shape, prevent filter bag from shaking or being damaged due to airflow impact when suction fan operates, with the continuous filtration process, dust gradually accumulates on the outer surface of filter bag to form a dust layer, further enhance filtration effect, then purified air is inhaled into exhaust duct and discharged through the exhaust port of inner top.
Owner:JIANGSU KEWANJIA MACHINERY EQUIPMENT PROCESSING CO LTD

Pulse cloth bag dust collector

This utility model belongs to the technical field of baghouse dust collectors, and in particular, a pulse jet baghouse dust collector. It includes a base plate with four mounting slots. The dust collector also includes: a support frame fixedly mounted on the top of the base plate, on which a pulse jet dust collector is fixedly mounted, with a bottom ash pipe fixedly connected to the bottom of the pulse jet dust collector; a ash guide pipe, the top of which is rotatably connected to the bottom of the bottom ash pipe; and a fixing rod, the bottom of which is fixedly mounted on the top of the base plate, with a disc fixedly mounted on the top of the fixing rod. The disc has four through holes spaced evenly in a ring, and the bottom of the ash guide pipe slides in contact with the top of the disc. This utility model collects and stores dust by setting up multiple collection boxes, and allows for disassembly and cleaning of the collection boxes even when the machine is stopped, greatly improving the working efficiency of the pulse jet dust collector. It is also convenient to operate, saves time and effort, and is highly practical.
Owner:SHANDONG HUIYUAN ENVIRONMENTAL ENG CO LTD

Method for recovering Mn and Zn from dust of bag-type dust collector after thermal desorption of soil

The invention belongs to the technical field of resource recycling, and particularly relates to a method for recovering Mn and Zn from dust of a bag-type dust collector after thermal desorption of soil. The method for recovering Mn and Zn comprises the following steps: removing Ni and Fe in dust by adopting a magnetic suction method to obtain dust subjected to magnetic suction; mixing the dust subjected to magnetic attraction with alkali liquor to carry out first reaction and first solid-liquid separation to obtain solid subjected to alkali washing; the pH value of the alkali liquor is 12-14; mixing the alkali-washed solid with an acid solution to carry out a second reaction, and carrying out second solid-liquid separation to obtain a solution containing Mn and Zn; and the pH value of the system after the alkali-washed solid and the acid liquor are mixed is 4.5-6.5. According to the method, heavy metals Mn and Zn in the dust are recycled by adjusting the pH value according to the leaching characteristic of the heavy metals in the dust, operation is easy, the Mn and Zn recycling rate is high, high-value and efficient resource utilization of solid waste is achieved, and meanwhile the problem that an existing dust treatment method easily affects the surrounding environment is solved.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Framework structure of dust collecting bag for environmental protection engineering

The invention relates to the technical field of cloth bag dust removal equipment, in particular to a skeleton structure of a dust removal cloth bag for environmental protection engineering, which comprises a top frame, a fixed rod, a bottom frame, a movable rod, a convenient assembly part, a pressing ring, a locking part, a sealing plate, an abutting rod, an adjusting ring, an adjusting part and an unlocking part. The movable rod is arranged to be matched with the convenient-to-mount component, so that the framework is kept in a contraction state during mounting, and a cloth bag is prevented from being scratched. After the cloth bag is in place, the pressing ring is pressed, the movable rod can be automatically locked and unfolded to support the cloth bag, and the sealing plate is pushed to press the opening of the cloth bag. During normal work, the movable rod is driven by negative pressure of the cloth bag to move inwards, the sealing plate is further pressed through the adjusting component, and sealing is enhanced. When airflow is abnormal due to breakage of the cloth bag, increased airflow pushes the sealing plate, locking is automatically relieved through the unlocking component, the lower pressing ring bounces and resets, and the sealing plate seals the center hole, so that unfiltered gas is prevented from being discharged, visual breakage position indication is provided for maintenance personnel, and the maintenance efficiency is improved.
Owner:YANCHENG JIAYU ENVIRONMENTAL PROTECTION TECH CO LTD

Aluminum electrolysis multifunctional crown automatic dust collection device

This utility model discloses an automatic dust collection device for a multi-functional overhead crane in aluminum electrolysis, including an overhead crane hopper with a feed inlet at the top and a first valve at the inlet. A bag filter is fixedly installed inside the hopper, and an exhaust fan is fixedly installed at one end. The input end of the exhaust fan is connected to a clear pipe extending into the hopper. A switching dust collection pipe and a discharge dust collection pipe are fixedly connected to the surface of the hopper. By incorporating the bag filter, exhaust fan, switching dust collection pipe, and discharge dust collection pipe, the device provides highly efficient dust collection during multi-functional overhead crane operations. This device is highly reliable, simple in structure, easy to install, and facilitates maintenance and parts replacement, improving dust collection efficiency and equipment utilization. It also saves a significant amount of electrolyte powder and alumina powder, reducing production costs.
Owner:YUNNAN YONGXIN ALUMINUM

Bag-type dust collector for vibrating screen

A bag-type dust collector for a vibrating screen comprises a dust collector barrel, an exhaust fan, a dust collecting bin, a filter element and a vibrating motor. The filter element comprises a supporting framework constructed to be a cylinder, a filter bag sleeving the outer side of the supporting framework and an elastic lining arranged between the supporting framework and the filter bag, the elastic lining comprises a first sleeve, a second sleeve and a floating ring, the upper end of the filter bag is an open end, the first sleeve is fixed to the upper end of the supporting framework, and the second sleeve is fixed to the upper end of the floating ring. The second sleeve and the floating ring are arranged on the outer wall of the supporting framework in a sliding mode, and the first sleeve, the second sleeve and the floating ring are connected through elastic strips. When the vibration motor drives the partition plate and the filter element to vibrate, the second sleeve and the floating ring elastically slide asynchronously in a reciprocating mode in the axial direction of the framework under the action of inertia force and the elastic strips, so that the filter bag vibrates complexly and violently, the dust removal efficiency can be improved, hardening is prevented, the filter bag is separated from the rigid framework through the elastic lining layer, and the dust removal efficiency is improved. Stress concentration and abrasion risks are avoided, so that the service life of the filter bag is prolonged, and the maintenance cost is reduced.
Owner:JIANGSU BAOHUA ENVIRONMENTAL PROTECTION TECH CO LTD

Automatic exhaust device for centralized ash bin of bag type dust collector

The utility model relates to the technical field of automatic exhaust of a closed ash bin of a bag type dust collector of a steelmaking converter, in particular to an automatic exhaust device of a centralized ash bin of a bag type dust collector. Comprising a dust remover, a dust bin, a negative pressure communicating pipe and an automatic control valve, a dust hopper is arranged at the bottom of the dust remover and connected with the dust bin through a dust falling pipe, the top of the dust bin is connected with the dust remover through the negative pressure communicating pipe, a fan is arranged in the dust remover, the dust hopper is arranged at the bottom of the dust remover, and a dust conveying bin pump is arranged at the bottom of the dust hopper and blows dust into the dust bin for sedimentation. A pneumatic switch is arranged outside the ash conveying bin pump, the bottom of the ash bin is connected with a dust remover through an ash falling pipe, a negative-pressure communicating pipe is additionally arranged after the top of the ash bin is sealed, one end of the negative-pressure communicating pipe is in sealed connection with the top of the ash bin, and the other end of the negative-pressure communicating pipe is connected into the dust remover; according to the automatic exhaust device for the centralized ash bin of the bag type dust collector, the maintenance cost is reduced, power consumption and frequent inspection are not needed, and the labor intensity of workers is reduced.
Owner:SHANDONG IRON & STEEL GRP YONGFENG LINGANG CO LTD

Multi-pollutant cooperative control method for ultralow emission of solid waste incineration flue gas

The invention belongs to the technical field of environmental protection, and particularly relates to a multi-pollutant cooperative control method for ultralow emission of solid waste incineration flue gas. The solid waste incineration flue gas is deacidified by a semi-dry method, and then enters a biological absorption device to remove acidic pollutants such as sulfur dioxide and hydrogen chloride in the flue gas by adopting biological washing absorption, and then enters a thermophilic composite catalytic biological purification device to carry out synergistic pollution reduction on pollutants such as nitrogen oxides, heavy metals and dioxin in the flue gas; meanwhile, a wastewater treatment recycling system with a biochemical system is arranged, so that ultralow emission of flue gas is realized; the method can replace medium and low temperature SCR denitration, activated carbon jet adsorption and wet deacidification, and solves the problems that in the existing flue gas multi-pollutant synergistic pollution reduction technology, the low temperature SCR denitration is unstable, the operation cost is high, the adsorption method is easy to saturate, the adsorption and purification efficiency is low, secondary pollution is easy to generate and the like; the device is suitable for deep purification treatment of flue gas pollutants in waste incineration, sludge incineration, hazardous waste incineration and other solid waste incineration.
Owner:SUN YAT SEN UNIV

Modularized efficient bag-type dust collector

The invention discloses a modularized efficient bag-type dust collector, and relates to the technical field of bag-type dust collectors. The device comprises a box body, a replacement cavity is formed in the lower portion of the left side of the box body, a partition plate is arranged in the box body, a pulse dust removal system is arranged above the partition plate, a plurality of frame installation openings are formed in the partition plate, and filter bag frames are installed at the bottoms of the frame installation openings; a conveying assembly is arranged in the box body, and a plurality of cloth bag modules are mounted on the conveying assembly. By adopting the modular design of the same row of cloth bags, the separation of the same row of cloth bags and the filter bag frame can be completed at one time, the separated cloth bags are folded at the lower part, and the cloth bags are overturned and conveyed to the position of the replacement cavity in cooperation with the arrangement of the conveying assembly and the replacement cavity, and the openings of the cloth bags face downwards, so that the cloth bags can be directly detached and replaced from the lower part; no hoisting and auxiliary equipment is needed, the cloth bag can be quickly disassembled and assembled from the lower portion, and the disassembling and assembling efficiency is high.
Owner:YANTAI HENGBANG CHEM

Air box pulse bag type dust collector

The utility model discloses an air box pulse bag type dust collector, and relates to the technical field of dust collection equipment. The dust remover comprises a dust remover main body, an ash hopper and a sealing cover, a perforated plate is clamped and fixed in the dust remover main body, the ash hopper is clamped and fixed at the bottom of the dust remover main body, an ash discharge pipe is welded at the bottom of the ash hopper in a penetrating manner, the sealing cover is clamped and fixed at the top of the dust remover main body, a high-pressure pump is clamped and connected at one side of the sealing cover in a penetrating manner, and a high-pressure gas storage bottle is arranged at one side of the high-pressure pump. Through the arrangement of the dust collector main body, the dust hopper and the sealing cover, the problems that an air box pulse bag type dust collector needs to additionally reserve compressed air to backflush a filter bag, the filter bag is possibly polluted by directly collecting air to backflush the filter bag, airflow is easier to contact with the filter bag close to one end of an inlet, and the dust collection efficiency is improved are solved. And a large amount of accumulated dust may continuously flow along with the waste gas.
Owner:南京市生态环境监测监控中心

Framework dismantling device suitable for bag type dust collector

The utility model discloses a framework dismantling device suitable for a bag type dust collector. The framework dismantling device comprises a sliding part, a vertical frame part, a telescopic part and a lifting part, the sliding part is arranged on a cloth bag platform at the top end of the bag type dust collector; the vertical frame part is arranged on the sliding part; the telescopic part is arranged on the vertical frame part; and the lifting part is arranged on the telescopic part. The framework dismantling device assists a worker in efficiently dismantling a framework, improves efficiency and reduces labor intensity.
Owner:德龙钢铁有限公司

Vibration device used in bag-type dust collector

The utility model discloses a vibrating device used in a bag-type dust collector, which comprises a pattern plate, a cloth bag is arranged below the pattern plate, a through hole is arranged in the pattern plate, the upper end of the cloth bag extends into the through hole, an electromagnetic chuck is arranged below the cloth bag, a support framework is arranged in the cloth bag, and the upper end of the cloth bag extends into the through hole. An iron sheet is arranged in the cloth bag along the lower part of the supporting framework, a mounting ring groove is formed in the pattern plate along the upper part of the outer side of the through hole, a compression spring is arranged in the mounting ring groove, a lower ring plate is fixedly mounted above the compression spring, an upper ring plate is arranged above the lower ring plate, and a lower ring plate is fixedly mounted above the upper ring plate. The upper annular plate is connected with the supporting framework. According to the bag-type dust collector, the capacity of driving the cloth bag to vibrate is realized, and the practicability is improved, so that the problem that the subsequent filtering effect of the cloth bag is influenced due to the fact that dust adhered to the surface of the cloth bag cannot be stably shaken off during dust removal of the cloth bag of the bag-type dust collector with a large volume is solved.
Owner:YANCHENG ZHONGREN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Pulse jet control device and method for baghouse

The application discloses a kind of bag type dust collector pulse injection control device and method, belong to bag type dust collector technical field, including box, dust collector bag is installed in the box, the lower part of the box is provided with solenoid valve group, the lower part of the solenoid valve group is provided with pulse injection control box, and the side of the pulse injection control box is provided with electrical terminal tapping box;The output point of the pulse injection control box is connected with solenoid valve group, multiple output points are provided in pulse injection control box, and the solenoid valve group includes multiple solenoid valves, and every two solenoid valves are connected with an output point;Expansion module is arranged on the line connected between solenoid valve group and pulse injection control box, expansion module is connected with intermediate relay, one end of solenoid valve is connected with one end of intermediate relay, and multiple intermediate relays are arranged, and one intermediate relay is connected with multiple solenoid valves.Can effectively reduce the pressure fluctuation amplitude generated by dust collector pulse injection, reduce the consumption of compressed air, reduce the empty head of cigarette and waste cigarette rate.
Owner:CHINA TOBACCO SHANDONG IND