1048 results about "Bag filter" patented technology

The invention discloses a PM2.5 bag filter with an intelligent cleaning function, and relates to the technical field of PM2.5 bag filters. Comprising a box body, an air inlet, a pulse device, an air outlet, a dust hopper, a bag filter assembly, a partition plate and a blowing pipe, deflection of a secondary filter assembly is utilized to synchronously drive a detection rod on a sliding frame to move in a detection shell, so that magnetic flux of two secondary coils is changed, an electric signal is generated, and a control system analyzes the magnitude of the electric signal; and the control system analyzes the dissipation amount of PM2.5 according to the deflection amount of the secondary filter disc, so that the aim of monitoring the filtering effect of the filter bag is fulfilled. When the filter bag is cleaned or replaced, meshes are large, and the filtering effect is reduced, escaping PM2.5 is intercepted and filtered through the second-stage filter disc. By utilizing the deflectability of the secondary filter discs, when a large amount of PM2.5 escapes, the impact force of the gas is converted into self deflection, the overlapping degree between the secondary filter discs is increased, and the filtering effect on the PM2.5 is adaptively increased.

The utility model relates to the technical field of bag-type dust collectors, and discloses a low-emission environment-friendly pulse-jet bag-type dust collector, which comprises a dust collector body, and an ash bucket is fixedly mounted at the bottom of the dust collector body. According to the low-emission environment-friendly pulse-jet cloth bag type dust collector, the filter bag in the dust collector body is in a state that no airflow passes through, then the pulse device is started to carry out pulse-jet dust removal by using compressed air, and the closing time of the exhaust pipe is enough to ensure that dust stripped from the filter bag settles to the dust hopper after the dust is jetted; the phenomenon that dust is attached to the surface of an adjacent filter bag along with airflow after being separated from the surface of the filter bag is avoided, dust cleaning of the filter bag is thorough, the dust is cleaned by arranging a driving device, a first rotating shaft and a cleaning plate, the dust can continuously reach a collecting box, the dust is prevented from being attached to the inner wall of a dust hopper, accumulation is avoided, and the service life of the filter bag is prolonged. Furthermore, the dust emission concentration can be obviously reduced, and the pollution to the environment is reduced.

The invention belongs to the technical field of bag type dust collection, and discloses an ore processing pulse bag type dust collector for a mine field, the ore processing pulse bag type dust collector comprises a support, a cleaning bin and a dust hopper, the left bottom and the right top of the cleaning bin are sequentially provided with an air inlet pipe and an exhaust pipe, and the inner wall of the cleaning bin is provided with a partition plate; a plurality of groups of filter bags which are distributed in a matrix are fixedly mounted at the top of the partition plate, a transfer bin is fixedly mounted at the bottom of the inner wall of the cleaning bin, and an air inlet which communicates with and coincides with the air inlet pipe is formed in the left side of the transfer bin. According to the device, high-pressure dust-containing air flow from the air inlet pipe is converged through the inner cavity of the transfer bin and finally is obliquely and upwards sprayed out through the air outlet pipe, spiral ascending air flow from bottom to top is formed in the inner cavity of the cleaning bin, and the tip movement direction of the dust-containing air flow is spirally changed, so that any part of the outer surface of the filter bag can be uniformly covered; therefore, the uniformity of the filter bag during filtering is ensured, and the maintenance period of the device is effectively prolonged.

The utility model discloses a cloth bag dust removal device, which relates to the technical field of dust removal devices and comprises a dust removal box, a partition plate, a cloth bag filter screen and a fastening plate for fixing the cloth bag filter screen, the partition plate is fixedly arranged in the dust removal box, and the cloth bag filter screen is mounted at a through hole formed in the partition plate. A pair of mounting plates are fixedly mounted on the parts, located on the two sides of the through hole, of the partition plate, a rotating shaft is rotationally mounted between the pair of mounting plates, and the fastening plate is fixedly mounted on the rotating shaft, so that the problem that in order to guarantee the dust removal effect after an existing cloth bag dust removal device is used for a long time, an internal cloth bag needs to be cleaned or replaced, and the dust removal efficiency is high is effectively solved. The technical problems that a cloth bag in an existing bag-type dust collector is inconvenient to clean, and the cloth bag is inconvenient to disassemble and replace are solved.

The invention discloses a continuous multi-stage narrow-granularity-section micron particle and coarse particulate matter grading screening device and a continuous multi-stage narrow-granularity-section micron particle and coarse particulate matter grading screening method. The device is formed by connecting a rotational flow grading module, a purification liquid supplementing module and a filtering concentration module in series, the rotational flow grading module and the purification liquid supplementing module are respectively formed by connecting n hydrocyclones with the same structure and different specifications in parallel, the hydrocyclones of the two modules are in one-to-one correspondence, every two hydrocyclones are connected in series to form a hydrocyclone group, then the n hydrocyclone groups are connected in parallel, and n is equal to the number of target particle size sections minus 1. And through a series-parallel connection structure of the multi-stage cyclone, precise stepless regulation and control and circulating purification of size grading are realized. After being stirred, a solid-liquid mixture is sequentially graded and purified by a cyclone group, and then is concentrated by a cloth bag filter of the filtering and concentrating module. The device is automatically controlled through a PLC, can realize high-precision and high-efficiency grading of micron and coarse particles in a narrow particle size section, and has the advantages of high separation precision, energy conservation, high applicability and the like.

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 discloses an external heating shaft furnace reaction system and method for direct hydrogen reduction of vanadium-titanium-iron concentrate, and belongs to the technical field of ferrous metallurgy. The system comprises a heating shaft furnace assembly, a feeding system, a furnace gas circulation and gas inlet system, a heating and heat transfer system, a cooling and discharging system and the like. A feeding system and a gas outlet are arranged at the top end of the preheating section; a heating and heat transfer system is arranged on the reaction section; the heating and heat transfer system comprises an induction heating heat transfer body, an induction heating coil and an insulation heat preservation material; an annular air inlet cavity is formed in the cooling section close to the reaction section; the furnace gas circulation and gas inlet system comprises a gas phase reforming reactor, a bag-type dust collector, a gas storage tank and a dry hydrogen source, a gas outlet of the preheating section is connected with the gas phase reforming reactor, and an outlet of the gas storage tank and an outlet of the dry hydrogen source are both connected with the annular gas inlet cavity. According to the system, carbon is supplemented in the reduction process, the annual output is 100 thousand t or above, the hydrogen utilization rate is not lower than 84%, and the Fe element metallization rate can reach 90% or above.

The present invention discloses a flue gas bag filter with a waste heat recovery function, which relates to the technical field of bag filters and includes a dust collector box body, a mounting plate, a plurality of dust removal bags and a plurality of blowing pipes. A waste heat recovery mechanism extending to the outside of the dust collector box body is arranged inside the dust collector box body, and an adjusting mechanism for driving the limiting shaft is arranged inside the dust collector box body. The waste heat recovery mechanism includes a first water guide pipe, a second water guide pipe, a plurality of water inlet pipes, a plurality of water return pipes and a plurality of heat exchange pipes. By setting the waste heat recovery mechanism and the adjusting mechanism, while the heat exchange pipes install and support the dust removal bags, the heat exchange pipes absorb the heat in the flue gas and transfer the heat to the circulating water to achieve heat exchange, so as to achieve the purpose of waste heat recovery, improve the energy utilization rate, and can quickly extinguish the fire when a fire occurs by releasing the circulating water to reduce losses.

The utility model relates to the technical field of filters, and discloses a buckle type bag filter which comprises a fixed seat and a plurality of filter bags mounted on the fixed seat, a plurality of mounting ports matched with the upper parts of the filter bags are formed in the fixed seat, a plurality of rotating frames are rotationally connected to the upper surface of the fixed seat, and the rotating frames are arranged on the fixed seat. Mounting openings are formed in the fixed seat, U-shaped feeding openings matched with the mounting openings are formed in the rotating frames, two rotating frames are arranged on the two sides of each mounting opening, clamping units are arranged between the ends of the two symmetrical rotating frames and the upper surface of the fixed seat, the side face of the upper portion of the filter bag is located between the rotating frames and the fixed seat, and the clamping units are used for fixing and extruding the two rotating frames. According to the utility model, the upper part of the filter bag is tightly pressed on the upper surface of the fixed seat by rotating the two rotating frames, and the two rotating frames are extruded and fixed through the clamping units, so that the upper part of the filter bag is uniformly stressed, the damage of the filter bag caused by more filtered matters in the filter bag is prevented, the filter bag is convenient to replace, and the stability of the filter bag after installation is improved.

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 utility model relates to the field of hydrometallurgy, in particular to a nickel sulfate solution deoiling device. Comprising a standing tank connected with a production process outlet end, one end of an oil removal device is connected with the standing tank, the other end of the oil removal device is connected with a resin adsorption column, the resin adsorption column is connected with a regeneration tank, and the regeneration tank is connected with a solution storage tank. According to the oil removal device arranged in the device, oil can be treated step by step according to different existing forms and physical properties of oil in nickel sulfate through internal fiber cotton filtration, resin adsorption and filter screen filtration, and compared with the prior art, the oil removal effect is better; the device is provided with the oil-water separator and the bag filter, so that the oil removal effect can be further improved, and impurities in the nickel sulfate solution can be separated.

Relates to the field of waste gas treatment, and discloses a metal filter bag filter which comprises a filter box, a gas inlet formed in one side of the filter box, a gas outlet formed in the other side of the filter box, a discharge pipe arranged at the lower end of the filter box and a filter bag arranged in the filter box. The sealing unit is arranged on the filter box; the ash removal device is arranged on the filter box; the dust cleaning unit is arranged on the filter box, corresponds to the filter bag and is used for further cleaning dust on the filter bag, dust leakage can be effectively prevented, the sealing performance of the filter box is improved, and therefore the environment and the health of operators are protected; the dust blowing unit can effectively blow off dust on the surface of the filter bag, the dust cleaning unit can clean residual dust on the filter bag, the service life of the filter bag is prolonged, and the filter efficiency of the filter bag is improved.

The invention discloses a flue gas treatment device for an asphalt concrete mixer, and belongs to the technical field of asphalt concrete processing, the flue gas treatment device specifically comprises a gas-collecting hood and a bag-type dust collector, the gas-collecting hood is fixedly connected to a flue gas outlet of the mixer, and the gas outlet end of the gas-collecting hood is connected with the gas inlet end of the bag-type dust collector through a spray washer; the bag-type dust collector comprises a shell, a middle filtering cavity is formed in the shell, a sealing plate is fixedly connected to the interior of the middle filtering cavity, a filtering column is fixedly connected to the lower portion of the sealing plate, and filtering cavities are circumferentially distributed on the filtering column; a gas filtering mechanism is arranged in the filtering chamber; by arranging the spray washer and the bag-type dust collector, high-temperature flue gas can be cooled, the bag-type dust collector can filter dust, dust on a dust collection bag can be cleaned without shutdown, the flue gas treatment effect is improved, and the flue gas treatment effect is improved.

A pulse bag type dust collector comprises a shell, a filtering mechanism and a dust collecting hopper, the filtering mechanism and the dust collecting hopper are vertically arranged in the shell, an air inlet pipe is arranged on one side of the dust collecting hopper, an exhaust port communicated with the air inlet pipe is formed in the upper portion of the filtering mechanism, and a wind blocking mechanism is arranged in the dust collecting hopper and comprises a wind blocking plate and a flow guiding piece arranged on one side of the lower portion of the wind blocking plate. The upper part is positioned above the air inlet pipe, and the lower part is vertically arranged on one side of a pipe orifice of the air inlet pipe; the flow guide piece is detachably arranged on the face, opposite to the pipe opening, of the lower portion of the wind shield and is of a conical structure. According to the utility model, dust-containing gas entering from the gas inlet pipe can be primarily guided through the wind shield, the dust-containing gas is dispersed to the inner periphery of the dust collecting hopper along the conical surface through the guide piece, and then the dust-containing gas flows upwards, is filtered by the filter bag of the filter mechanism, and is discharged from the exhaust port; the wind shield and the flow guide piece can reduce the flow speed of dust-containing gas, reduce impact on the filter bag, prolong the service life of the filter bag and improve the filtering effect of the filter bag.

The present invention provides a pulse dust cleaning auxiliary device for a bag filter and a pulse bag filter, belonging to the technical field of environmental protection equipment. The pulse dust cleaning auxiliary device for the bag filter comprises a sleeve assembly, a first linkage mechanism and a driving assembly. The sleeve assembly is formed by splicing a plurality of sector-shaped sub-cylinders and is adapted to surround the outer side of the filter bag. A rotating shaft is provided at the top of each sector-shaped sub-cylinder, and the rotating shaft is rotationally matched with the mounting plate of the filter bag. The power output end of the first linkage mechanism is connected to the rotating shaft of the sector-shaped sub-cylinder in the sleeve assembly. The power output end of the driving assembly is connected to the power input end of the first linkage mechanism. The pulse bag filter comprises the above-mentioned auxiliary device. The pulse dust cleaning auxiliary device for the bag filter and the pulse bag filter provided by the present invention can effectively improve the dust cleaning effect at the bottom of the filter bag and effectively reduce secondary dust emission.

The invention relates to an experimental device for simulating a dust removal effect in a coal mining process. The experimental device structurally comprises an air inlet section, a working simulation section and an exhaust section which are sequentially connected in the direction from air inlet to air outlet, the air inlet section is provided with an air inlet bin, a grid, a heater, a humidifier and a hygrothermograph; the working simulation section is provided with a working bin, a dust simulation device, a spraying device and a monitoring device; the exhaust section is provided with a contraction opening, an axial flow fan, a bag type filter and a ventilation pipeline. According to the experimental device, the dust removal effect is monitored and evaluated in real time by simulating the dust generation condition in the coal mine working environment, combining the implementation of dust control measures and reasonably arranging the mine environment simulation device, the dust simulation device, the spraying device, the dust monitoring device and the exhaust system; therefore, reliable experimental data support is provided for optimization of a coal mine dust control technology.

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 intelligent self-cleaning modular bag filter comprises a filter body, a water inlet is formed in the upper part of the filter body, and a water outlet is formed in the lower part of the filter body; a filter basket is arranged in the filter body, a filter bag is sleeved with the filter basket, a plurality of positioning hooks are arranged on the outer wall of the filter basket, an opening is formed in the lower portion of each positioning hook, a plurality of elastic pull belts are arranged on the outer surface of the filter bag, the elastic pull belts can penetrate out of the openings and are wound on the positioning hooks to be fixed, and the filter bag comprises a plurality of filter layers which are sequentially arranged from inside to outside. A photocatalytic coating is arranged on the innermost filter layer; a plurality of transparent covers which are arranged around the center of the filter body at intervals are arranged on the outer wall of the filter body, UV lamp modules are arranged on the outer sides of the transparent covers, and the UV lamp modules are detachably connected with the filter body. According to the invention, the filtering precision and the filtering efficiency can be improved, the maintenance is simple and convenient, the service life of the filter bag is long, the filter bag is not easy to block, and self-cleaning can be realized.

The utility model discloses a dust removal filter bag framework structure of a bag type dust collector, which comprises a connecting cylinder, a plurality of second through holes distributed at equal intervals are formed in the inner surface of the connecting cylinder, second filter bag framework bodies are inserted into the inner surfaces of the second through holes, a plurality of first through holes distributed at equal intervals are formed in the inner surface of the connecting cylinder, and second filter bag framework bodies are inserted into the first through holes. A first filter bag framework body is inserted into the inner surface of the first through hole, a first limiting ring is fixedly connected to the inner side of the first filter bag framework body, a filter bag connecting cover is arranged at the tail end of the first filter bag framework body, and a second limiting ring is fixedly connected to the inner side of the second filter bag framework body. Through the connecting cylinder, the fastening screw, the second filter bag framework body, the second limiting rod, the limiting hole, the screw hole, the second through hole, the first limiting ring, the second limiting ring, the first limiting rod, the first filter bag framework body, the long groove and the first through hole, the purpose of freely adjusting the distance between the baffle and the filter bag connecting cover can be achieved.

The utility model relates to the field of lithium battery positive electrode material preparation, and particularly discloses a tailing recovery device which comprises a first bag-type dust collector, a tail gas washing fan and a second bag-type dust collector, a dust outlet of the first bag-type dust collector is communicated with a sealed collecting tank, and the bottom of the collecting tank is communicated with a dusty gas inlet of the second bag-type dust collector; a first electromagnetic valve is arranged on the pipeline close to one end of the collecting tank, a purified gas outlet of the second bag-type dust remover is connected with a bag-type dust removal fan, the bag-type dust removal fan is connected with the collecting tank through a pipeline, and a second electromagnetic valve is arranged on the pipeline close to one end of the collecting tank; a purified gas outlet of the first bag-type dust collector is connected with a tail gas washing fan; a dust outlet of the second bag-type dust collector is connected with a temporary storage bin, the bottom of the temporary storage bin is connected with a screw feeder, and the screw feeder is connected with a tailing repulping tank. According to the scheme, the problems that the tailings are difficult to automatically collect, store and recycle to the original iron phosphate production process during collection at present, and the tail powder recycling environment is severe can be solved.

The invention relates to a dry quenching tail gas purification chemical engineering control method. The method comprises the following steps: step 1, carrying out grinding and conveying by a grinding and conveying system; step 2, controlling flue gas; step 3, carrying out desulfurization treatment on tail gas; according to the scheme, sodium bicarbonate powder and SO2 in coke oven dry quenching tail gas react, and the problems that in the dry quenching tail gas purification process, the flue gas temperature is unstable, the given amount of sodium bicarbonate fluctuates, and the recycling controllability of solid waste in a bag-type dust collector is not high are solved. And finally, the components of the dry quenching tail gas meet the requirement of environment-friendly emission.

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 utility model belongs to the technical field of port mechanical equipment, and particularly relates to full-automatic vehicle washing equipment which comprises a cleaning chamber and a vehicle washing machine installed in the cleaning chamber, a drainage ditch is arranged on the ground of the cleaning chamber and is connected with sewage treatment circulating equipment through a pipeline, and the sewage treatment circulating equipment is connected with the vehicle washing machine. The sewage circulating equipment is arranged in a sewage chamber, the sewage chamber is located on one side of the cleaning chamber, the sewage circulating equipment comprises a filter tank, an aeration tank and a reclaimed water tank which are sequentially connected, a bag filter and a quartz sand filter are arranged in the filter tank, and the reclaimed water tank is connected with the inlet end of the car washer through a water pump. According to the device, the flushing water is filtered by the sewage circulating equipment and can be recycled, so that the water source and the cost are saved.

The utility model discloses a particle size grading device for a non-Newtonian fluid soft rubber microsphere suspension. The device comprises particle size grading vibration equipment, a magnetic scrap iron removing device, a suction filtration barrel, a bag type filter, a storage tank front-back multi-stage centrifugal pump and a liquid storage tank, the multi-stage centrifugal pump behind the storage tank is connected with upper and lower diluent spraying pipelines; upper and lower screens are arranged in the particle size grading vibration equipment; the non-Newtonian fluid flexible glue microsphere suspension is diluted to form microsphere homogenate, the particle size grading vibration equipment performs grading filtration on the microsphere homogenate, the diluent is extracted from the liquid storage tank and conveyed to the upper and lower diluent spraying pipelines, and the spraying pipelines spray the screen; the large-particle-size microspheres remain on the upper-layer screen, the medium-particle-size microspheres remain on the lower-layer screen, homogenate containing the small-particle-size microspheres flows into the suction filtration barrel after passing through the magnetic scrap iron removal device, then enters the liquid storage tank after being subjected to impurity removal through the bag type filter, and circulation is carried out. Different target particle size distribution can be achieved by carrying out primary particle size grading on the non-Newtonian fluid soft rubber microsphere suspension.

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.