159 results about "Bar screen" patented technology

The invention provides an intelligent sorting system and method for construction waste, and belongs to the technical field of construction waste sorting. The system comprises a feeding machine, a spiral screen, a first conveying belt, a second conveying belt, a third conveying belt, an inclined sorting conveying belt, an electromagnetic iron remover, a bouncing screen, a fourth conveying belt, a fifth conveying belt, a bar screen, a sixth conveying belt, a seventh conveying belt, an eighth conveying belt, a flip-flow screen, a ninth conveying belt, a tenth conveying belt, a magnetic substance collecting area, a light substance collecting area, a visual auxiliary sorting room and a crushing transfer area. A finished product collecting area and a control device; according to the construction waste sorting system, through combination of multi-stage screening and intelligent sorting, efficient and accurate sorting of construction waste is achieved, it is guaranteed that the purity of concrete and tiles entering the crusher is high, the sorting efficiency is remarkably improved, and the labor cost is reduced.

The utility model discloses a grille decontamination machine convenient to disassemble and assemble, and relates to the technical field of rotary grille decontamination machines, the grille decontamination machine comprises a decontamination machine frame and a disassembly and assembly assembly, the disassembly and assembly assembly is arranged in the decontamination machine frame, the disassembly and assembly assembly comprises a connecting roller, a slot, a screw rod, a mounting plate, a threaded hole and a tooth rake, the slot is formed in the middle of the connecting roller, and the screw rod is arranged in the slot. A mounting plate is inserted into the inserting groove, threaded holes are formed in the two ends of the mounting plate, and tooth rakes are arranged at the front end of the mounting plate in the extending direction. According to the bar screen machine convenient to disassemble and assemble, due to the arrangement of the disassembling and assembling assembly, when the tooth rake which is a quick-wear part is disassembled, assembled and replaced, only the screw rods at the two ends of the connecting roller need to be screwed off, the mounting plate is pulled out of the insertion groove, then the replacement part is inserted into the insertion groove again, the rear end of the mounting plate is fixed to the screw rods through the threaded holes, and the replacement part is replaced. Therefore, the tooth harrow can be quickly disassembled and assembled, and the downtime of the rotary bar screen machine is shortened.

The invention discloses a mud flat shellfish harvesting screening shovel device and a harvesting method. The mud flat shellfish harvesting screening shovel device comprises a supporting frame, a vibration screening shovel assembly, a first spiral rotating rolling brush, a vibration driving device, a soil breaking air knife and an air supply device, and the vibration screening shovel assembly comprises a first screening frame, screening strips and a soil penetrating shovel head; the first spiral rotating rolling brush is rotatably mounted in the supporting frame; the vibration driving device is used for driving the first screen frame to vibrate; the soil breaking air knife is used for carrying out intermittent soil breaking and pre-loosening on the unharvested mud flat substrate; the air supply device can supply an air source; in the harvesting operation, the soil breaking air knife can discharge high-pressure air at intervals and conduct intermittent soil breaking and pre-loosening on unharvested mud flat substrates, at the moment, the vibration driving device drives the first screen frame to vibrate, the first screen frame and the multiple screen bars screen the mud flat substrates, the soil breaking and pre-loosening substrates can reduce the resistance of the first screen frame, and the soil breaking and pre-loosening effect is improved. Therefore, the overall screening efficiency can be improved, and then the harvesting efficiency of the overall equipment is improved.

The invention relates to the technical field of sewage treatment, in particular to a novel grillage machine for sewage treatment, which comprises an obliquely arranged grillage plate, the grillage plate is connected to a sundry lifting unit, the inclination angle of the grillage plate is 30-60 degrees, the lower ends of the grillage plate and the sundry lifting unit are inserted into a sewage channel, and the lower ends of the grillage plate and the sundry lifting unit are connected with the sewage channel. A sundry collecting unit is arranged below the upper end of the sundry lifting unit, and an extruding and dewatering unit for compressing and dewatering the sundry is arranged below the sundry collecting unit. Floating sundry in sewage can be cleaned, compression and dewatering can be performed, subsequent transportation and treatment are facilitated, and the sewage treatment efficiency is improved. Wide application prospects are realized in the field of sewage treatment.

The utility model discloses a rotary drum type bar screen machine with high separation efficiency, and relates to the technical field of rotary drum type bar screen machines. The device comprises a supporting assembly which comprises a mounting plate, a first fixing block fixed to the mounting plate and a first mounting disc fixed to a first connecting frame; the unblocking assembly is arranged on the supporting assembly; the unblocking assembly comprises a second inserting plate inserted into the first fixing block and a brush fixed to the long plate; and; the grating assembly is arranged in the supporting assembly; the grating assembly comprises a circular ring inserted into the second mounting disc, a spring fixed to the disc, a circular block fixed to the spring, a grating basket fixed to the circular block, a spring fixed to the circular block and the disc fixed to the spring, and the circular ring is inserted into the first mounting disc. By arranging the unblocking assembly and the grating assembly, the problems that the grating basket is blocked after being used for a long time, meanwhile, the grating basket is fixedly installed, grating baskets with different sizes of screen holes cannot be replaced according to needs, and the separation efficiency is reduced are solved.

The utility model relates to the technical field of hydraulic engineering, in particular to water quality purification equipment for hydraulic engineering. Comprising a pretreatment assembly, a grating assembly, a purification assembly, a sand filtering assembly and a filtering assembly, the pretreatment assembly comprises a pretreatment box, the grating assembly comprises a grating plate and a sealing plate, the purification assembly comprises a purification box, a backflushing pipe, a water inlet pipe and a first water pump, and the sand filtering assembly comprises a flow guide plate and a sand filtering layer. The filtering assembly comprises a filtering box and a second water pump, the lower end of a back-flushing pipe is connected with a back-flushing spray head, a sand filtering layer is filled with quartz sand, and a filtering layer is arranged on the inner side of the filtering box. After water flows into the purification box from the first water conveying pipe, the water is blocked by the flow guide plate in the falling process of the purification box, then the water continuously falls through the flow guide groove, when the water passes through the quartz sand, suspended solids and colloids are intercepted and adsorbed, and then the suspended solids and the colloids in the water are removed through the sand filtering layer.

This invention relates to a biological-ecological synergistic purification system for road runoff pollutants in municipal roads, belonging to the field of municipal road rainwater treatment technology. With the acceleration of urbanization, the pollution of natural water bodies by road runoff pollutants is becoming increasingly serious. This biological-ecological synergistic purification system uses a bar screen to intercept large particles and sludge, a biofilm reactor to degrade pollutants using a combined packing layer, an ecological filter to further purify the water using multi-layered filter media and plants, and an ultraviolet disinfection device to kill pathogens. Finally, the purified water is discharged into natural water bodies. It is mainly used to effectively purify road runoff pollutants in municipal roads and protect the natural aquatic environment.

This invention relates to a rotary drum bar screen cleaner, comprising an annular screen frame, a rotating shaft, a slag discharge device, a spiral conveyor, a slag removal device, and a power unit; the slag discharge device includes a connecting cylinder and a filter hopper fixedly connected to the connecting cylinder, the connecting cylinder having a slag outlet, and the filter hopper having a slag inlet, the inner cavity of the connecting cylinder communicating with the inner cavity of the filter hopper, the filter hopper being located within the inner cavity of the annular screen frame; the annular screen frame has a fixed connecting section and a rotating connecting section at each end, the fixed connecting section being fixedly connected to the rotating shaft. The rotating connecting section is rotatably connected to the connecting cylinder; the rotating shaft passes through the inner cavity of the connecting cylinder and the inner cavity of the filter ash hopper, and extends out of the inner cavity of the annular grid frame; the spiral conveyor is set on the rotating shaft, with one end of the spiral conveyor located at the ash outlet and the other end located at the ash inlet; the ash removal device includes a ash removal brush and a connecting piece, the ash removal brush is located at the top of the annular grid frame and abuts against the annular grid frame, one end of the connecting piece is connected to the ash removal brush, and the other end is fixedly connected to the ash outlet device; the power device is drivenly connected to the rotating shaft.

The utility model relates to the technical field of ultra-narrow light bar screens, in particular to an ultra-narrow light bar screen adjustable packaging shell which comprises a packaging shell female body, two symmetrical sliding grooves are formed in the top end and the bottom end of the packaging shell female body, a packaging shell male body is inserted into the packaging shell female body in a sliding mode, and the packaging shell male body comprises two symmetrical inserting strips. A plurality of positioning grooves are formed in the two inserting strips, and positioning devices are vertically inserted into the positioning grooves. According to the utility model, the insertion strip moves in the chute, so that the packaging shell male body moves in the packaging shell female body, and the size of the packaging shell can be changed according to light bars with different sizes, thereby perfectly adapting to the light bars and facilitating installation and use.

This invention discloses a raw waste sorting system and method for the coastal areas of West Africa, comprising: raw waste being transported by a loader or grab bucket to a chain conveyor loading section, and then entering a bar screen sorting section to obtain a first oversize and a first undersize; the first undersize sequentially entering a manual sorting section and a drum screen sorting section to obtain a second oversize and a second undersize; the second undersize, after iron removal, entering a tension screen sorting section to obtain a third oversize and a third undersize; and the second oversize entering a pneumatic sorting section to separate inorganic aggregates and lightweight materials. Addressing the characteristics of raw waste in the coastal areas of West Africa—high sand content, low moisture content, and a large amount of recyclables—this invention employs a multi-stage physical sorting method to effectively separate various resources from the raw waste, solving the problems of low efficiency and significant safety hazards associated with the local extensive manual sorting method.

The utility model relates to the technical field of electronic display, and discloses an LED (light-emitting diode) light bar screen convenient to maintain, which comprises an aluminum substrate, a plurality of lamp beads are welded at the top of the aluminum substrate, the side edge of the aluminum substrate is electrically fused and connected with a lead, the bottom of the aluminum substrate is fixedly connected with a support plate, one side of the support plate is fixedly connected with a side plate, and the side plate is fixedly connected with the LED light bar screen. And the other side of the aluminum substrate is fixedly connected with a side frame, the top of the side frame is movably connected with a movable rod in a penetrating mode, the top end of the movable rod is fixedly connected with a pressing plate, and the surface of the movable rod is sleeved with a first spring. According to the utility model, a plurality of groups of inclined blocks are arranged to extrude the trapezoidal block downwards, so that the two clamping blocks are close to each other or far away from each other, and when wires are arranged, the wires sequentially pass through the gaps between the insulating blocks, and the insulating blocks are used for limiting and insulating the wires in cooperation with the transverse elastic potential energy of the second spring; and the wires can be conveniently arranged and unwound at the same time.

The utility model discloses a novel reverse fishing formula grating cleaner grating strip cleaning device, including water tank, install support frame on the water tank, support frame is provided with the support component that supports grating, the top of support frame is installed with support, install rotating sprinkling mechanism on the support, and the rotating sprinkling mechanism realizes the spray of grating on the support component. The utility model discloses a rotating sprinkling mechanism is set up to the spray of grating, makes the cleaning of grating more sufficient, clean, has improved the cleaning efficiency of grating grating strip of grating, through setting up water tank, and setting up filter screen in water tank, and the sundries of washing are fallen on filter screen, and water continues to enter water tank, makes water can be recycled, has saved water resource, and the sundries can be unloaded simultaneously with filter screen taking out, makes the collection of sundries more easy.

The bar screen for the vibrating screen comprises a main frame, mounting plates are fixed to the left end and the right end of the outer wall of the main frame, limiting columns are vertically embedded into the front end, the rear end, the left end and the right end of the interior of the main frame, inner sliding blocks are embedded into the middles of the limiting columns, and return springs are embedded into the upper ends and the lower ends of the outer sides of the limiting columns. Supporting plates are fixed to the ends, close to the middle of the main frame, of the limiting columns, bar columns are embedded into the main frame, fixing plates are embedded into the front, rear, left and right ends of the upper portion of the inner wall of the main frame, limiting plates are fixed to the bottoms of the fixing plates, and limiting bolts are vertically embedded into the middles of the fixing plates. When the bar screen is installed on a vibrating screen, the vibration amplitude is larger, materials can rapidly move and roll over on the surface of the bar screen, the speed of passing through screen holes is increased, then the screening efficiency of the materials is improved, meanwhile, the bar columns can be rapidly replaced and overhauled, and use is more convenient.

The utility model discloses a circulating type cleaning device for a grille decontamination machine, which comprises a grille decontamination machine body, the top of the grille decontamination machine body is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a driving shaft through a coupling, the outer wall of the driving shaft is fixedly connected with a driving cone pulley, and the driving cone pulley is fixedly connected with a transmission shaft. One end of the driving cone pulley is movably connected with a driven cone pulley, the bottom of the driven cone pulley is fixedly connected with a movable screw rod, and the outer wall of the movable screw rod is movably connected with a first movable block; by arranging the grille cleaner body, the driving motor, the driving shaft, the driving cone pulley, the driven cone pulley, a movable screw rod, a first movable block, a supporting frame, a first guide rail, a second guide rail, a second movable block, an electric push rod and a cleaning brush, the automatic cleaning function is achieved, and the problem that operation is tedious due to manual cleaning is solved; and thus, the operation convenience is improved.

According to the technical scheme, the novel rake tooth type bar screen machine comprises a sewage pool, the end of the sewage pool is fixedly communicated with a water inlet, a sewage opening is formed in the top end of the sewage pool, the novel rake tooth type bar screen machine further comprises a decontamination assembly used for treating sewage in the sewage pool, a movable rake tooth assembly is arranged on the decontamination assembly, and the decontamination assembly comprises a machine frame. The rack is obliquely fixed on the sewage pool and penetrates through the sewage port, the bottom end of the rack abuts against the bottom of the inner wall of the sewage pool, and the top end of the rack is fixed on the top of the sewage pool. The utility model has the beneficial effects that the device has the functions of intercepting solid sundries and then conveying and moving out the sundries through the rotary rake teeth, and also has the function of clamping fixed sundries moved out of the sewage surface through the arranged movable rake teeth, so that the solid sundries are effectively prevented from falling off again in the conveying and moving-out process, and the service life of the device is prolonged. The decontamination effect is facilitated.

This invention discloses a treatment device and method for brewing wastewater. The treatment device includes: a bar screen, a sedimentation tank, an equalization tank, a coagulation sedimentation tank, a first intermediate water tank, an anaerobic reactor, a second intermediate water tank, a pure membrane aerobic biofilm coupled granular sludge reactor, a third intermediate water tank, and an ozone oxidation tank. The pure membrane aerobic biofilm coupled granular sludge reactor is equipped with a pure membrane moving bed biofilm reaction zone, a water and gas distribution zone, and a granular sludge reaction zone. The granular sludge reaction zone is further divided into an aerobic granular sludge reaction zone and an anaerobic granular sludge reaction zone. The physical space of the aerobic and anaerobic granular sludge reaction zones is controlled by a reaction zone space control unit. This invention can simultaneously perform aerobic and anaerobic biological treatment of wastewater and can flexibly control the physical space of the sludge reaction zone, greatly shortening the biological treatment process of brewing wastewater and significantly improving the reactor's adaptability to changes in wastewater characteristics, thereby enhancing the wastewater treatment effect.

The utility model discloses a multifunctional bar screen machine which comprises a main body unit, the main body unit comprises a rack and a sewage treatment tank, and mounting grooves are formed in the two sides of the sewage treatment tank; the mounting unit comprises a fixing plate and an L-shaped connecting plate, two sliding rods are fixedly connected to the outer side of the fixing plate, a sliding rod connecting plate is fixedly connected between the opposite faces of the two sliding rods, and a sliding groove penetrating through the inside and the outside is formed in the outer wall of the L-shaped connecting plate; the section shape of the sliding groove is the same as the combined shape of the two sliding rods and the sliding rod connecting plate, the two sliding rods and the sliding rod connecting plate are movably connected, and a rotating clamping plate is arranged on the outer side of the fixing plate. The sliding mounting rod is moved upwards and rotated through the friction block, so that the rotating clamping plate is rotated upwards, then the L-shaped connecting plate is moved inwards, the L-shaped mounting block is inserted into the mounting groove, the rotating clamping plate is rotated after the L-shaped connecting plate is attached to the fixing plate, the L-shaped connecting block is fixed through the rotating clamping plate, and therefore the rack is fixed.

The application discloses an underwater movable auxiliary fence automatic resetting method for a rotary reverse dredging type bar screen, and an underwater movable auxiliary fence automatic resetting device thereof. The underwater movable auxiliary fence automatic resetting device comprises a front baffle fixed below a main body of the bar screen and an underwater movable auxiliary fence rotationally connected with the front baffle. The upper end of the front baffle is provided with a connecting plate, and the lower end of the underwater movable auxiliary fence is provided with a square tube which is rotationally connected with the connecting plate. When the underwater movable auxiliary fence is not subjected to the force of the rake tooth moving on the main body of the bar screen, the square tube abuts against the connecting plate, and the connecting plate limits the square tube. A limiting plate is fixedly connected to the front baffle and limits the rotation of the square tube. When the underwater movable auxiliary fence abuts against the limiting plate, the side of the underwater movable auxiliary fence close to the connecting plate is inclined, so that the rotation angle of the underwater movable auxiliary fence is prevented from being too large, and meanwhile, the underwater movable auxiliary fence close to the connecting plate can be automatically reset by the torque provided by its own gravity.

The utility model relates to the technical field of decontamination machines, in particular to a steel wire rope traction type grille decontamination machine which comprises a machine body, the top end of the machine body is fixedly connected with a top plate, the top end of the top plate is provided with a first motor, the top end of the top plate is fixedly connected with a second motor, and the top end of the top plate is fixedly connected with a plurality of rectangular cylinders. A first steel rope is installed on the outer wall of the first main shaft, a first sliding wheel in sliding connection with the first steel rope is installed on the outer wall of the top plate, a plurality of second steel ropes are installed on the outer wall of the second main shaft, second sliding wheels are in sliding connection with the outer walls of the second steel ropes, and a scraper bucket is installed at the bottom ends of the second steel ropes and the first steel rope; limiting columns are slidably connected to the inner wall of the machine body, limiting on the filter plate is relieved by pushing the limiting columns, meanwhile, limiting blocks pop out to clamp the limiting columns, the filter plate is pulled to be taken out of the machine body, it is avoided that different tools are used for disassembling the filter plate, operation is easy, and the working efficiency is improved.

This utility model relates to a bar screen for wastewater treatment, belonging to the field of wastewater treatment technology. It includes a machine body with a bar screen assembly inside and a drive assembly for rotating the bar screen assembly on the outside. The machine body includes wastewater inlet pipes and outlet pipes on both sides. The middle part of the machine body is a circular tubular structure connected to the inlet and outlet pipes on both sides respectively. A fan-shaped intercepting net is fixed to the outlet side of the circular tubular structure connected to the outlet pipe. This wastewater treatment bar screen, driven by a motor, continuously collects impurities from the wastewater as the rotating drum and intercepting bar rotate. During rotation, the impurities are buoyed and sent into the inside of the collecting drum. Simultaneously, the rotating rod drives the spiral blades to continuously push the impurities stored inside the collecting drum towards one side of the discharge drum. The impurities entering the discharge drum float to the outlet position of the discharge drum due to buoyancy, thus achieving rapid discharge.

The utility model relates to the technical field of bar screen cleaning machines, in particular to a reverse fishing type bar screen cleaning machine which comprises a machine shell, the machine shell is arranged in an inverted L shape, a sewage discharging plate is fixedly connected to the position, close to the top, of the inner side of the machine shell, a collecting rake is arranged in the machine shell, and a collecting box is arranged at the position, close to the bottom, of the inner side of the machine shell. The water collecting device has the advantages that the sealing plate is pulled open, the collecting rake rotates reversely to fish sediments into the collecting box, after most sediments are fished, the sealing plate can be inserted into the inserting groove, and the grip is moved and pulled to slide along the sliding groove, so that water is discharged along the liquid outlet; at the moment, the sealing cover is taken down from the outside of the drainage pipe, water in the collecting box can be drained, the other part of water can be pumped out from one side of the machine shell, the effect of reversely fishing and collecting impurities is achieved, the problem that sediments are inconvenient to clean due to previous one-way fishing is solved, and the filtering effect is improved.

The utility model discloses a self-cleaning rotary type bar screen machine which comprises a machine frame, a first transmission shaft is rotatably connected above the rear side of the inner wall of the machine frame, the front side of the first transmission shaft is movably inserted in the front side of the machine frame in a penetrating mode, and the front side of the first transmission shaft is flush with the front side of the machine frame. Through mutual cooperation of the rack, the first transmission shaft, the second transmission shaft, the grating chain, the motor, a driving shaft, a fixing block, a clamping opening, a clamping block, a limiting groove, a guide groove, a stud, a movable block, a connecting plate, a limiting block, a connecting groove, a positioning groove, a positioning block and a shovel plate, the effect of conveniently disassembling the motor is achieved; and the motor can be conveniently detached for maintenance and replacement, so that the market requirements are greatly met.

The utility model discloses industrial wastewater filtering equipment and belongs to the field of filtering equipment. The device comprises a filter tank, a grating mechanism, a waste box, a longitudinal compression mechanism and a transverse compression mechanism. The grating mechanism is arranged in the filter tank and is used for conveying waste materials in the wastewater. The waste box is fixedly arranged at the upper end of the filter tank and below a discharge hole of the grating mechanism and is used for collecting waste. The longitudinal compression mechanism is arranged in the filter tank and is used for extruding the waste materials from the upper side and the lower side; the longitudinal compression mechanism comprises a driving part; an upper pressing plate is arranged on the driving piece; the upper pressing plate is driven by a driving part to move up and down; and a lower pressing plate fixedly connected to the bottom of the filter tank is arranged under the upper pressing plate. Through mutual cooperation of the vertical compression mechanism and the transverse compression mechanism, waste materials can be extruded in the transverse direction and the longitudinal direction respectively, the waste materials are made to be in a compact long strip shape, accumulation and winding of the loose waste materials on a chain belt are reduced, and the risk that the chain belt is blocked is reduced.

The utility model discloses a chain slag-scraping type mechanical bar screen machine, which relates to the field of sewage treatment equipment and comprises a fixed grid bar, a chain slag-scraping type mechanical bar screen machine and a chain slag-scraping type mechanical bar screen machine, the chain slag scraping structure is arranged on the upstream face of the fixed grid bar, the chain slag scraping structure comprises a rotatable working chain and a plurality of slag scraping tooth rake assemblies, the slag scraping tooth rake assemblies are evenly arranged on the periphery of the working chain, the slag scraping tooth rake assemblies are matched with guide rail grooves of the working chain, and a tensioning wheel is further arranged in the working chain; the driving structure is connected with the working chain, and in the rotating process of the working chain, when the working chain rotates to be close to one side of the fixed grid bar, the working chain moves upwards; the slag scraping tooth rake assembly is matched with the gaps of the fixed grid bars; according to the cleaner, the problem of secondary pollution can be avoided, pollutants intercepted on the fixed grid bars can be discharged to the bank of a sewage pool, the water passing effect of the fixed grid bars is improved, and the problem of water blocking is avoided.

The utility model relates to the technical field of rotary type bar screen machines, and provides a rotary type bar screen machine convenient to replace rake teeth, which comprises a plurality of cleaning rake teeth arranged in a rack, the cleaning rake teeth comprise a left rake tooth, a right rake tooth, a plurality of middle rake teeth, two driving shafts, a plurality of first connecting shafts, a plurality of second connecting shafts, a plurality of clamping grooves and a plurality of thread grooves, the opposite sides of the left rake teeth and the right rake teeth are fixedly connected with the two driving shafts correspondingly, the multiple threaded grooves are formed in one ends of the multiple second connecting shafts correspondingly, the multiple clamping grooves are formed in the outer wall of the end, away from threads, of the first connecting shaft by a circle, and one side of the middle rake teeth is fixedly connected with one end of the first connecting shaft. The circle center of the other side is fixedly connected with the end, away from the threaded groove, of the second connecting shaft, and a plurality of clamping assemblies are arranged in the threaded groove. The rake tooth is simple and convenient to disassemble, assemble and replace, the specified rake tooth can be independently replaced, and the efficiency and the accuracy of replacing the rake tooth are improved.

This utility model relates to the field of bar screen technology, and provides a bar screen adjustment component for a bar screen machine, including a main body and a sliding groove; the sliding groove is evenly provided on one side of the main body, and an adjustment structure is provided inside the sliding groove. By providing the adjustment structure, the bar screen plates are slidably connected inside a first sliding shaft and a second sliding shaft, while the limiting grooves are evenly distributed on one side of the main body. This facilitates the placement of the protrusions at the top of the bar screen plates into the limiting grooves at different positions. The positioning plate is rotated to one side of the main body and positioned by fastening bolts, thus fixing the position of the bar screen plates and achieving convenient and quick adjustment of the bar screen spacing.

The invention belongs to the technical field of sewage treatment, and particularly discloses a grid slag removal system for removing a small amount of slag, the grid slag removal system comprises an outward transport vehicle, a slag remover and a slag removal chamber, the slag remover is located in the slag removal chamber, the top of the slag removal chamber is communicated with a water inlet pipe, and the bottom of the slag removal chamber is communicated with a water outlet pipe; the top end of the slag remover is an open end, and the open end of the slag remover is arranged opposite to the water inlet pipe; a filter plate is arranged at the bottom of the slag remover, and liquid entering the slag remover can flow out through the filter plate and is discharged through the water outlet pipe; and the outward transport vehicle is detachably matched with the slag remover. The device can meet the requirement for intercepting a small amount of fine dregs.

This utility model provides a bar screen cleaning device, including a water tank and an arc-shaped bar screen. The arc-shaped bar screen is disposed in the water tank. A frame is provided on the top surface of the water tank. A rotating shaft is rotatably mounted in the middle of the frame, with one end of the shaft driving a first motor. A rotating cylinder is fitted on the rotating shaft. Multiple scrapers are provided on the outer side of the rotating cylinder. The scraper ends are provided with serrations that abut against the arc-shaped bar screen. A moving mechanism is slidably mounted on the top surface of the water tank. A U-shaped frame is rotatably mounted on the side of the moving mechanism. A second rotating shaft is rotatably mounted in the middle of the U-shaped frame. One end of the second rotating shaft is rotatably connected to the U-shaped frame, and the other end passes through the U-shaped frame and drives a second motor. The second motor is located on the side of the U-shaped frame. A cylinder is provided on the second rotating shaft. A hook is provided on the side of the cylinder, with the end of the hook abutting against the outer side of the rotating cylinder. This utility model uses a cylinder. The rotation of the cylinder drives the hook, which can clean fibrous debris on the scrapers from both longitudinal and transverse directions, improving the cleaning effect and preventing the arc-shaped bar screen from clogging.

The utility model relates to a cut tobacco workshop cut stem air separation equipment technical field discloses a kind of air separation equipment export cut stem collection device, including the loose bin and air separation bin of intercommunication, the loose bin is equipped with the feed inlet for being interconnected with the air separation equipment export, several harrow nail rollers are arranged in parallel interval in the loose bin, the bottom of the loose bin is equipped with deflector plate;The deflector plate one end is rotatably connected in the inner wall of the loose bin, and the other end extends to air separation bin by downwardly inclined and perforated;Vibration bar screen is equipped between the harrow nail roller and the deflector plate, the export side of the vibration bar screen is close to the input end top of the deflector plate;Air separation bin upper portion is equipped with tobacco outlet for being interconnected with upper suction duct, and air separation bin lower portion is equipped with cut stem outlet for being interconnected with lower suction duct.Solve the problem that cut stem after air separation in prior art has residual tobacco, thereby causing waste.