237results about How to "Improve dust removal efficiency" patented technology

The invention discloses a synergistic removal system and method for realizing ultra-low emission of multiple pollutants of smoke of a thermal power plant. By the aid of a synergistic dust-removal system consisting of a smoke cooler, an efficient dust remover, an efficient wet desulphurization system and a wet type electric dust remover, the total particulate matter emission in a chimney can be controlled within 5 mg/m<3>. By the aid of a synergistic mercury-removal system consisting of a selective catalytic reduction denitration system, the efficient dust remover, the efficient wet desulphurization system and the wet type electric dust remover, the emission concentration of mercury in the smoke at the chimney can be lower than 6 mu g/m<3>. By the aid of an efficient denitration system consisting of a low-nitrogen burner, a selective non-catalytic reduction denitration system and the selective catalytic reduction denitration system, the NOx concentration can be controlled within 50 mg/m<3>. A two-stage circulation two-tower limestone-gypsum wet desulphurization system is used, a rotary gas-to-gas heat exchanger is cancelled, the leakage of the original smoke to clean smoke is avoided, and the concentration of SO2 in the smoke can be controlled within 35 mg/m<3>. Besides, the synergistic removal system and method are low in overall investment level, and waste heat in the smoke can be recycled to reduce the energy consumption.

An abrasive sheet material comprising a first sheet having a first major suface and a second major surface and second sheets having first major surfaces and second major surfaces wherein the second major surfaces of the second sheets are affixed to the first major surface of the first sheet and spaces exist between the second sheets wherein said spaces form pathways that interweave between the second sheets wherein the pathways communicate with each other and form a network of pathways. At least one aperture extends from at least the first major surface of the first sheet to the second major surface of the first sheet and communicates with at least one of the pathways. Abrasive particles are coated onto at least the first major surface of the second sheets forming an abrasive first major surface. When air moves through the pathways by a vacuum source said pathways channel air across and parallel to the work surface while the air is in contact with the work surface thereby providing a sweeping movement of air across the work surface carrying dust with the air for the purpose of vacuuming dust from the work surface.

The invention discloses a wet-type purification treatment method and device for flue gas of a domestic garbage incineration power plant. An ammonia water quenching device, a power spray activated carbon device and a bag-type dust collector are sequentially connected through air ducts, the air inlet end of the ammonia water quenching device can be connected with the flue gas outlet end of the domestic garbage incineration power plant, and a compressed air system is further connected to the air duct between the ammonia water quenching device and the power spray activated carbon device; a compressed air system is arranged below a dust hopper of the bag-type dust collector, the dust hopper is connected with a flying dust bin through a pipeline, an outlet flue of the bag-type dust collector is connected with a washing and concentration section of a wet-type deacidifying tower through a pipeline, and the wet-type deacidifying tower comprises an absorption section, the washing and concentration section and an oxidizing section; spray nozzles capable of spraying ammonia water are arranged in the absorption section of the wet-type deacidifying tower, a flue gas exhaust pipeline of the wet-type deacidifying tower is connected with defogging equipment, the oxidizing section of the wet-type deacidifying tower is connected with an oxidation air blower, and an ammonia chloride and ammonia sulfate outlet of the oxidizing section of the wet-type deacidifying tower is connected with crystallizing equipment.

The invention relates to a novel cyclone separator which comprises the following parts of an air inlet pipe (2) having a circular cross section and radially distributed, a cylinder barrel (3), and an exhaust pipe (4), wherein the side surface of the upper part of the cylinder barrel (3) is communicated with the air inlet pipe (2), an ellipsoidal head (1) is installed at the top part of the cylinder barrel (3), the bottom of the cylinder barrel (3) is communicated with a conical barrel (7), the exhaust pipe (4) is located in the cylinder barrel (3) and penetrates through the ellipsoidal head (1), and an erosion prevention guide baffle (5) and a multi-layer spiral guide vane (6) are arranged on the outer side of the exhaust pipe (4). Compared with the prior art, the novel cyclone separator is simple in structure, reasonable in construction, and reliable in operation, has excellent structural strength and separation performance, is particularly suitable for long-term operation at high temperature and high pressure, and is applicable to dust separation and particle recycle for high-temperature and high-pressure gases in the processes of petroleum, chemical engineering, clean coal utilization and the like.

The invention relates to a novel computer dust removing device. The novel computer dust removing device comprises a support and a machine case. An air extraction opening and an air extractor are arranged on the right side wall of the machine case. Ventilation holes are evenly formed in the left side wall of the machine case. An upper supporting plate is connected to the top of the left side wall of the machine case, and a lower supporting plate is connected to the bottom of the left side wall of the machine case. An upper groove is formed in the right end of the bottom of the upper supporting plate, and a lower groove is formed in the right end of the top of the lower supporting plate. A dust filtering frame is arranged on the left of the machine case and internally further provided with a dust filtering net. A motor is further arranged on the upper supporting plate. The bottom end of an output shaft of the motor is connected with a screw. The bottom end of the screw is rotationally connected with the lower supporting plate through a bearing. The screw is further sleeved with a lifting block in threaded fit with the screw. A supporting rod is connected to the right end of the lifting block. The right end of the supporting rod is connected with a brush rod. The brush rod is closely attached to the left side of the dust filtering net. Meanwhile, brush bristles are further evenly distributed on the brush rod. By the adoption of the above structure, the novel computer dust removing device can conveniently and rapidly conduct the dust removing operation, and therefore the dust removing efficiency and the dust removing effect are greatly improved.

The invention discloses a dust removal system and a controller of the dust removal system. The dust removal system and the controller of the dust removal system detect the temperature and pressure of dust gas in a production process room at an inlet of a bag-type dust remover, and the pressure of the gas at an outlet of the bag-type dust remover, and the pressure or the temperature of the dust gas at the inlet or a work mode of a control system in the process of production is set as a set value to control a frequency converter to achieve control of the rotation speed of a draught fan. The controller can be connected with an online or off-line air purification detector to achieve closed-loop control of the air speed. The controller controls opening and closing of an impulse dust removal valve through differential pressure at the inlet and the outlet of the dust removal gas and the time of variation of the differential pressure, and achieves high-intelligent control modes of the bag-type dust removal, such as on line, off line, chamber division and cascade connection. The dust removal system and the controller of the dust removal system have the advantages of integration of dust removal series, modularization of the internal structure, diversification of functions, intelligentization of the control modes and optimization of cost performance, thereby being suitable for various occasions.

The invention discloses a filter cartridge dust remover with an automatical and continuous dust removal function, which can remove dust or recover materials at a high temperature. The dust remover is characterized in that a filter cartridge is coaxially fixed in a shell; a compressed air delivery pipe is coaxial with the filter cartridge and vertically stretches into the bottom of the filter cartridge from the outside of the top of the shell; the compressed air delivery pipe in the filter cartridge is vertically communicated with an air nozzle which faces to an side wall of the filter cartridge; high-speed airflows are transmitted to the compressed air delivery pipe from the outside and sprayed out by the air nozzle; a support framework is arranged at the outermost layer of the side wall of the filter cartridge and a second wire mesh is arranged at the innermost layer of the side wall of the filter cartridge; and the support framework is fixedly adhered to a first wire mesh and filter materials are filled in the space between the first wire mesh and the second wire mesh. The filter cartridge dust remover is simple in structure and reliable in dust-removing performance; the fatigue loss is prevented when the filter cartridge filters materials; and the filter cartridge dust remover is long in service life.

The invention relates to a cloud type dust removal system. The cloud type dust removal system is characterized in that a feeding hole is arranged at the most front end of the cloud type dust removal system and is sequentially communicated with a cloud-mist generator or an atomization box, a particle growing region or an expansion joint, a cloud type collection region or a cloud type dust removal device, a draught fan and an outlet concentration determination region in a sealing manner; a dirt discharge groove is communicated to the bottom of the particle growing region or the expansion joint; an ash discharge device is communicated to the bottom of the cloud type collection region or the cloud type dust removal device, and an outlet of the particle growing region or the expansion joint is in tangential communication with the cloud type collection region or the cloud type dust removal device. According to the cloud type dust removal system, the dust removal rate can reach 99.6%-99.9%, and the capture rate of fine particulate matter (PM2.5) reaches 95%.

The invention discloses a dust removing plant of a dust collector which comprises a first level dust remover and a second level dust remover. The cyclone axis of a first level separating device in the first level dust remover and the cyclone axis of a second level separating device in the second level dust remover are arranged in a mutual perpendicular way; the first level separating device of the first level dust remover is communicated with a dust cup through a dust outlet and the first level separating device is arranged outside the dust cup; the cyclone axis of the first level dust remover and the cyclone axis of the second level dust remover are arranged in a mutual perpendicular way, thereby avoiding the mutual impact between the dust discharging direction and the wind discharging direction of the first level dust remover and therefore, not only filtration efficiency is promoted, but also that the first level dust remover can be arranged outside the dust cup, thereby increasing dust storing quantity of the dust cup and reducing times of clearing up the dust cup for users.

The invention provides an electrostatic dust removal device. The device is characterized in that a positive and negative direct-current high-voltage ionization charge module, a positive and negative particle opposite movement and coagulation module and a particulate matter secondary electrification module are sequentially arranged in the air inlet direction. According to the electrostatic dust removal device, dust is collected after being subjected to positive and negative direct current high voltage, strong electric fields and secondary electrification high voltage, and high-working voltage is adopted, so that collection efficiency of particulate matters with the size of 0.1 um reaches over 99%; and the problem that the particulate matters with the size of 0.1 um cannot be collected in the existing electrostatic dust removal technology is solved, and therefore the purpose of removing the particulate matters in air in a space range can be achieved.

The invention relates to a solar-energy static dedust system, with simple structure and small volume, wherein said device is mounted inside the ventilate channel connecting the room and the outer space; the solar-energy photo-voltaic cell via storage starter supplies electricity to static dedust device; the storage starter is formed by LC storage circuit formed by inductor and capacitor and starting circuit; the LC storage circuit is parallel with solar-energy photo-voltaic cell; one end of LC storage circuit is serially connected to the cathode of static dedust device, while another end is serially connected to the starting circuit; one end of starting circuit is connected to the circuits of solar-energy photo-voltaic cell and the accumulator, while another end is connected to the anode of static dedust device.

The invention relates to a corrugated circular pipe filter formed by a plastic sinter board pipe coiling process and a manufacturing method of the corrugated circular pipe filter. The corrugated circular pipe filter is characterized in that corrugated toothed structures are arranged on the inner surface and the outer surface of a corrugated circular pipe filter element; the two ends of the corrugated circular pipe filter element are connected with each other in an embedded manner to form a coil pipe; the outside of the corrugated circular pipe filter element is sleeved with an socket joint sleeve and is connected with the socket joint sleeve by gluing; the inner cavity of the socket joint sleeve and the corrugated circular pipe filter element are same in outer diameter and shape, so that the corrugated circular pipe filter element can be inserted into the inner cavity of the socket joint sleeve in a butted manner. The manufacturing method comprises the following steps: adding a high-molecular-weight polyethylene material with the particle size of 20-100 meshes into a metal forming mould, putting the mould into a sintering box, gradually heating to enable plastic particles to form a formed product with micropores, cooling, coating the two ends of the plate-type product with a layer of adhesive, coiling to be in a circular pipe shape, and mutually embedding and shaping the glued edges of the two ends of the product to form the corrugated circular pipe filter. The corrugated circular pipe filter can be subjected to reverse jet-pulse cleaning and has numerous advantages of large filtering area, high filtering precision, energy conservation, emission reduction and the like, and the service life of the corrugated circular pipe filter is prolonged.

The invention discloses a power control system of a high-performance three-phase power supply high-voltage dust remover, and belongs to the technical field of power supplies of high-voltage dust removers. The power control system comprises a main loop and a control system, wherein the main loop comprises a three-phase reactor, a three-phase bridge type diode rectification circuit, a flat wave capacitor, a single-phase bridge type insulated gate bipolar transistor (IGBT) inversion circuit, an inductance and capacitance (LC) filter circuit, a high-voltage transformer, a high-voltage rectifier and a high-voltage reactor; and the control system comprises an intelligent control unit, a power group board, an operation display panel, an IGBT driving control unit and a high-voltage acquisition unit. Compared with the conventional high-voltage dust remover power supply, the power control system has the advantages that a three-phase power supply is adopted, so that pollution to a power grid is low; and flash fuzzy control and a pulse width modulation (PWM) inverter technology of an IGBT device are combined, so that the dust removal efficiency is greatly improved, and an energy-saving effect is obvious.

The invention relates to an atomizing corona plasma flue gas purifying device, belonging to a technical field of treating gaseous pollutants. The current purifying oil fume can not completely satisfy the requirements for purifying the oil fume of catering trade. The invention consists of a discharging electrode, a collecting electrode and a high voltage power supply, wherein, the discharging electrode (9) is connected with a negative high voltage power supply (3) through a high voltage wire (15), the collecting electrode (10) is connected to the ground through a wire (16), and an uneven strong electric field is formed between the collecting electrode and the discharging electrode. The device of the invention is characterized in that a lower water-sealing box (4), a spraying upper water box (5) and a nozzle(8) are also arranged, wherein, the lower water-sealing box is connected with a pump (14), the pump is connected with the spraying upper water box (5) through a water pipe (13), the bottom of the spraying upper water box is connected with the nozzle (8), the lower part of the nozzle is connected with the discharging electrode (9); the lower water-sealing box (4) and the spraying upper water box (5) are reserved an overflow opening respectively which is connected with an overflowing pipe (12). The atomizing corona plasma flue gas purifying device can remove oil gas pollution under normal temperature and normal voltage, thus improving the operating circle of the device and reducing maintaining expense.

The invention relates to the technical field of flue gas purification, particularly to a dual-cyclone dust removal and desulfurization multiplier for a wet flue gas desulfurization absorption tower. According to the absorption tower utilizing the dual-cyclone dust removal and desulfurization multiplier, a dual-cyclone multiplier and spray layers are sequentially arranged between a flue gas inlet and a flue gas outlet from bottom to top, the dual-cyclone multiplier comprises the maximum quantity of dual-cyclone multiplier units regularly arranged, each dual-cyclone multiplier unit comprises an inner cyclone cylinder arranged inside an outer cyclone cylinder, a blind cylinder is arranged in the center of each inner cyclone cylinder, the inner cyclone cylinders are provided with inner cyclone blades, and the outer cyclone cylinders are provided with outer cyclone blades. By the aid of kinetic energy of flue gas in the absorption tower, tiny particulate matters in the flue gas collide with one another, are agglomerated and are condensed into large drops when the flue gas passes through the blades of the dual-cyclone multiplier and is subjected to gas-liquid impact on walls of the cyclone cylinders, then the large drops are captured by liquid membranes on surfaces of the cyclone cylinders, so that the purification purpose of removing tiny particulate matter is achieved, the SO2 removal reaction can also be accelerated, and the removal efficiency is improved.

The invention provides a net rolling type easy-to-clean dedusting device. The device comprises a horizontal dedusting pipe, a net outlet roller and a net rolling roller are assembled on the upper portion and the lower portion of the dedusting pipe respectively, a coiled filter net winds around the net outlet roller, and the filter net output from the net outlet roller vertically penetrates throughnet passing grooves formed in the upper portion and the lower portion of the dedusting pipe from top to bottom to wind around the net rolling roller; a dust outlet groove is machined in the side edgeof the net passing groove formed in the lower portion of the dedusting pipe, a dust storage box is assembled on the lower portion of the dust outlet groove, a dust sweeping block attached to the airinlet face of the filter net is assembled on the upper portion of the dust storage box, and the top edge of the upper portion of the dust sweeping block is attached to the air inlet face of the filternet. Rolling of the net rolling roller on the filter net can be conducted while the dedusting pipe performs dedusting, the dedusting process does not need to be paused, and meanwhile dust on the windward side of the filter net can be swept into the dust storage box, so that next cleaning is conducted conveniently.

The invention belongs to the field of environmental protection, and provides a dust collection electrode back-flushing filtering electrostatic precipitator. The electrostatic precipitator comprises a housing, dust buckets, an air inlet, an air outlet, negative electrodes, positive electrodes, a power supply system, and the like. In a dust-contained air flowing direction, at least a part of dust collection electrodes at the rear part of the dust collection electrodes are meshy dust collection electrodes; the meshy dust collection electrodes are arranged in parallel and are connected to separators to form meshy dust collection electrode air-intake spaces and meshy dust collection electrode air-exhaust spaces; and the negative electrodes are arranged in the meshy dust collection electrode air-intake spaces among the meshy dust collection electrodes. An injection box is arranged outside the housing, and is provided with a plurality of injection branch pipes and injection valves; each meshy dust collection electrode air-exhaust space is internally provided with one injection pipe; and each injection pipe having a branch pipe extending upwards out of the housing and connecting the injection branch pipes of the injection box. According to the invention, electric precipitation is effectively combined with filtering precipitation, so that the dust removing efficiency is greatly improved; the problem of dust cleaning of meshy dust collection electrodes is effectively solved; and the dust collection electrode back-flushing filtering electrostatic precipitator is suitable for reconstruction and renovation of a project.

The invention relates to a connecting structure and working method of a movable ore groove dust removal system. The movable ore groove dust removal system comprises a ventilation tank, a movable ventilation trolley and a movable air suction pipe; the ventilation tank is arranged above an ore groove, the movable ventilation trolley is arranged on the ventilation tank, a dust suction hood is arranged at the head part of a discharging belt of a movable discharging trolley above the ore groove, and the bottoms of discharging chutes at the two sides of the movable discharging trolley are each provided with an air suction opening; and the dust suction hood and the air suction openings move along with the movable discharging trolley, and the dust suction hood and the air suction openings are connected with the movable ventilation trolley through the movable air suction pipe. The two ends of the movable discharging trolley are each provided with a fixing frame in the walking direction, the twoends of the movable ventilation trolley are connected with the corresponding fixing frames through steel wire ropes and pulleys respectively, and the movable air suction pipe is in flexible connection with the movable ventilation trolley. According to the connecting structure, the deviation derailment phenomenon of the mobile ventilation trolley can be completely eradicated, the maintenance amount of the ore tank mobile dust removal system is reduced, and meanwhile, the moving speed of the movable ventilation trolley can be increased and the dust removal efficiency in the unit time of the movable ventilation trolley can be improved.

The present invention relates to an ultrasonic synergistic nano photocatalytic air sterilization and purification equipment. It includes the following several portions: shell body, upper water tank, lower water tank, water inlet valve, water outlet valve, miniature water pump, filtering screen, ultrasonic air energy transducer, filter, photocatalysis three-dimensional screen, ultrasonic reflecting plate and sterilization UV-light. Said invention also provides the connection mode of all the above-mentioned portions and the working principle of said air sterilization and purification equipment.

The invention discloses a dust suction device for an electric cutting tool. The dust suction device comprises the electric cutting tool, wherein the electric cutting tool comprises a saw blade, a saw blade protective cover and a motor which drives the saw blade to rotate; a scrap discharging opening is formed on the tail part of the saw blade protective cover; one end of a motor shaft of the motor is connected with the saw blade through a speed changing box, and the other end of the motor shaft is extended to the tail part of the motor and is connected with fan blades; a dust suction cover is arranged on the tail part of the motor and comprises a dust suction opening and a dust discharging opening; the dust suction opening is connected with the scrap discharging opening through a pipe body; and the dust discharging opening is connected with a dust suction bag through a scrap discharging pipe. The fan blades are arranged on the motor shaft to generate great suction force by lengthening the motor shaft and fully using the characteristic that the rotating speed of the motor shaft is higher than the rotating shaft of the saw blade, so that scraps such as wood scraps, plastic scraps and the like and dust which are generated in the cutting process are sucked into the dust suction bag, the dust removal efficiency is greatly improved, and a complete dust suction rate can reach over 90 percent.

The invention discloses a water cyclone dust removal system, which includes: a dust removal air pipe, which is provided with a drainage port; discoid water throwing discs, which are disposed in the dust removal air pipe, with one disc face of each disc wholly sinking to the center to form a cambered surface, and serving as a water throwing surface that is toward the inlet or outlet direction of the dust removal air pipe and has erected periphery to form a vertical wall; a plurality of shunting grooves grooved in the radial direction of the water throwing discs and uniformly distributed on the vertical wall; a waterproof motor, which is connected to the water throwing discs and can drive the water throwing discs to rotate; and water spraying equipment, which can provide water to the water throwing surface. Under high speed rotation of the water throwing discs, water on the water throwing surfaces can be spread to diverge and is thrown outward from the shunting grooves to form water ring blades and water mist areas. And dust in dusty gas is humidified, adsorbed into water, and then drained through the drainage port. With the characteristics of simple structure and low cost, the water cyclone dust removal system can be widely used in various occasions needing dust removal and purification on gas.

The invention discloses a skewed gas flow electric bag composite dust remover, which comprises a gas flow distribution region, an electric dust removing region and a bag dust removing region from left to right, wherein the lower parts of the electric dust removing region and the bag dust removing region are provided with dust collecting regions; a clean gas region is positioned on the upper part of the bag dust removing region; the gas flow distribution region comprises two gas flow distribution plates which are arranged vertically, and a skewed gas flow distribution plate; the electric dust removing region comprises a cathode line, an anode plate and a high-pressure electric device; the joint between the electric dust removing region and the bag dust removing region is provided with an electric bag bonding plate; the bag dust removing region comprises a gas flow diversion plate, a bag, a framework and a tube nest; the framework and the bag construct a whole body which is arranged on the tube nest; each dust collecting region consists of an ash hopper and an ash hopper baffle plate; and the clean gas region mainly comprises clapboards. Optimal gas flow distribution in the electric bag composite dust remover is realized, the generation of eddy current in the electric dust removing region is reduced, the running resistance of the bag dust removing region is reduced, re-entrainment is reduced, and low-resistance efficient running of the electric bag composite dust remover is ensured.

The invention relates to a control system for a heat medium water pipe type heat exchanger. The control system comprises flue gas coolers, a flue gas heater, a heat medium water-filling tank, heat medium water pumps, a heat medium water vapor heater, a channel A heat medium water inlet adjusting valve, a channel B heat medium water inlet adjusting valve, a heat medium water bypass adjusting valve and a vapor adjusting valve. The heat medium water-filling tank is connected with the flue gas heater and the heat medium water pumps. The heat medium water pumps are connected with the channel A heat medium water inlet adjusting valve and the channel B heat medium water inlet adjusting valve correspondingly. The channel A heat medium water inlet adjusting valve and the channel B heat medium water inlet adjusting valve are connected with one set of flue gas coolers correspondingly. The two sets of flue gas coolers are connected to the heat medium water vapor heater which is then connected to the flue gas heater. The control system for the heat medium water pipe type heat exchanger has the beneficial effects that the flue gas temperature of outlets of the flue gas coolers can be well controlled to be maintained in a certain range, and the high dust removal efficiency of an electric precipitator is better ensured.

The invention discloses a transformation-filtered slide-adsorbed electrostatic dusting device. The transformation-filtered slide-adsorbed electrostatic dusting device comprises a device body. The device body is formed by an air inlet, an air outlet, a transformation filtering area, an adsorbing area and an electrostatic dusting area. A plurality of filtering plates is horizontally installed in the transformation filtering area. The top of the device body is fixedly connected with a variable frequency motor. A rotation shaft is vertically installed in the device body. The surface of the rotation shaft in the adsorbing area is fixedly connected with a plurality of adsorbing fluff. The surface of the rotation shaft in the electrostatic dusting area is provided with a plurality of external threads, and a slider is installed behind the rotation shaft. The slider is provided with an internal thread. The slider is fixedly connected with a sliding plate. The upper and lower surfaces of the sliding plate are provided with a sliding rail. The upper and lower sides of the sliding plate are provided with a plurality of static plates. A second telescopic device is fixed between the static plates. The electrostatic dusting device is capable of greatly improving the dusting efficiency of the device, and keeping the efficient dusting efficiency for a long time. The device has not the adsorption dead angle.

The invention relates to a compartmental static normal-pressure type pulse bag type dust remover with high utilization rate of energy resources and low production and operation cost, which comprises a plurality of dust removal box bodies, wherein each dust removal box body comprises an upper box body, a middle box body and a lower box body, the upper parts of the upper box bodies are provided with air outlets, each upper box body and each middle box body are separated by a partition plate, the joints of the upper box bodies and the middle box bodies are fixedly connected with porous plates, filter bag frameworks are arranged at the position of the open holes of the porous plates, the outsides of the filter bag frameworks are sleeved and connected with filter bags, spraying and blowing pipes are arranged above the porous plates, gas bags are connected on the spraying and blowing pipes, the end parts of the spraying and blowing pipes are connected with pulse valves, the outer sides of the dust removal box bodies are provided with air inlet pipelines, the joints of the air inlet pipelines and the lower box bodies of all dust removal box bodies are provided with air inlet valves, the bottom end of each lower box body is provided with an ash discharging valve, the lower parts of the external surfaces of the lower box bodies are fixedly connected with brackets, and intelligent control instruments are connected on the dust removal box bodies and respectively control the air inlet valve, the pulse valve and the ash discharging valve in each dust removal box body.

The invention relates to an installation method of a bag-type dust remover with large unit capacity, in particular to a metal-synthesis construction method of a 600MW unit bag-type dust remover, which solves the technical problem that the bag-type dust remover is applied and installed on a 600MW generator set. The metal-synthesis construction method comprises the following steps of: installing a rail (14) on the ground, arranging a crane (15) on the rail (14), starting crane-removing installation from the position of an eighth unit, gradually dismantling the rail that is out of action at the same time of the crane removal, putting a small-size gantry crane on well-installed front and rear walls formed by wallboards when the installation is removed to a fifth unit in sequence, ensuring that the crane (15) and the gantry crane (16) work simultaneously, and hoisting to a first unit in sequence and finishing the construction. In the process, the Zhangshan bag-type dust remover is used for constructing for the first time; by innovating the thought and reasonably using construction machinery, a gibbet is used at the early stage, and an electric hoist is used at the later stage, therefore, the working face is increased, the labor efficiency is improved, and the construction cost is reduced.

The invention discloses a floor brush of a dust collector and the dust collector. The floor brush of the dust collector comprises a shell, a first rolling brush and a second rolling brush, wherein thefirst rolling brush and the second rolling brush are different in function; the shell defines rolling brush containing grooves and an air duct, and the rolling brush containing grooves are communicated with the air channel; the first rolling brush and the second rolling brush are located in the rolling brush containing grooves, and the first rolling brush is located on the front side of the second rolling brush and is in contact with the second rolling brush. Therefore, the shell, the first rolling brush and the second rolling brush are matched so that large-particle objects can be preventedfrom being stuck at the first rolling brush, the problem that the large-particle objects are stuck by the first rolling brush can be effectively solved, then the working performance of the floor brushof the dust collector can be improved, the dust removal efficiency of the floor brush of the dust collector can be improved, and meanwhile, the satisfaction degree of a user can be improved.

The invention relates to a two-dimensional anode dust collection electric precipitator. The two-dimensional anode dust collection electric precipitator comprises a flue gas channel, wherein a discharging cathode wire and a transverse dust collection anode plate are alternatively matched and distributed in an electric field region of the flue gas channel; and the transverse dust collection anode plate is parallel to a gas flow direction. The two-dimensional anode dust collection electric precipitator is characterized in that the electric field region of the flue gas channel is internally additionally provided with a longitudinal dust collection anode plate vertical to the gas flow direction at least; and each longitudinal dust collection anode plate is a through type pore plate. The two-dimensional anode dust collection electric precipitator has the advantages that the inner space of an electric field is sufficiently utilized; when the anode plate is arrayed in the parallel gas flow direction (namely a first dimension, or named as a transverse direction), the through type dust collection anode plate is arranged in the vertical gas flow direction (namely a second dimension, or named as a longitudinal direction; and dust collection area is doubled under the condition that the space of the electric precipitator is not increased and four-directional discharging cathode wires are adopted so that electric corona is relatively concentrated, the intensity of the electric corona is relatively strong, and the dust collection effect is relatively good.

The invention discloses dust treatment equipment. The equipment comprises a dust lead-in unit, a dust treatment unit, a gas emission unit and a control unit, wherein the dust lead-in unit and the dusttreatment unit are communicated with each other through an air inlet pipeline; the dust lead-in unit comprises an induced draft pipe, an induced draft fan, and a filtering screen arranged at the outlet of the induced draft fan; the dust treatment unit comprises a spraying unit performing spraying treatment on lead-in dust, and a retreatment unit performing retreatment on dust treated by the spraying unit; the gas emission unit comprises a dust concentration sensor for monitoring the concentration of dust in emitted gas, and an air outlet pipeline for emitting gas; the air outlet pipeline is communicated with the air inlet pipeline through a return pipe, so as to ensure that gas returns to the dust treatment unit. The dust treatment unit sequentially performs spraying treatment, dehumidification treatment and electrostatic dust collection treatment on gas containing dust, and is high in dust removal efficiency; the dust concentration sensors monitors the concentration of dust in the treated gas, and the dust emission load is greatly reduced.

The invention relates to a dust removal device, in particular to a dust removal device for building construction protection. Dust can be removed by the dust removal device for building construction protection, accordingly, the work efficiency can be improved, and harm on bodies can be reduced. The dust removal device for building construction protection comprises a water spray device and the like.A control device is arranged on the inner top and the top of the water spray device, a water inlet pipe is arranged on the top of the water spray device, is positioned on the right side of the control device and is connected into the water spray device, and an electric control valve is arranged on the water inlet pipe and is connected with a control component of the control device by circuits. The dust removal device for building construction protection has the advantages that water spray dust removal can be carried out by the water spray device, water can be added into a tank by the aid of the control device, the dust removal area can be enlarged by a rotary device, and accordingly effects of removing the dust, improving the work efficiency and reducing the harm on the bodies can be realized by the dust removal device for building construction protection.