80results about How to "Reduce dust" patented technology

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The utility model relates to the technical field of dust removal, and discloses an electromechanical engineering environment-friendly dust removal device which comprises an air inlet pipe, the end of the air inlet pipe is fixedly connected with a heating pipe, the end of the heating pipe is fixedly connected with a box body, the interior of the box body is fixedly connected with an air storage bag, and the bottom of the air storage bag is fixedly connected with an air blowing pipe. An electromagnetic valve is installed on the outer side of the air blowing pipe, a cleaning structure is installed at the end of the air blowing pipe, the outer side of the cleaning structure is sleeved with a filter cylinder, and a knocking assembly is installed at the bottom of the filter cylinder. According to the dust removal device, the air storage bag blows air into the cleaning structure through the air blowing pipe, so that the air spraying pipe sprays air to rotate, the rotating air spraying pipe drives the first sliding block to move, the soft block fixed on the first sliding block moves back and forth twice to knock the filter cartridge, and dust which is adhered to the outer side of the filter cartridge and cannot be blown off falls off through knocking and vibration.

A robot sweeper includes a main body, a pair of drive modules, and a cleaning module. The drive modules are respectively pivotally connected to the main body. The drive modules include a roller set and a drive device. The drive device is mechanically connected to the roller set and configured to drive the roller set to rotate about a first axis. The cleaning module is connected to the main body and at least partially located between the roller sets along the first axis.

The utility model relates to a material recovery device which is characterized in that when a negative electrode material needs to be recovered in the actual negative electrode material processing process, a vacuum feeding machine can be operated, the negative electrode material is collected by a material suction pipeline of the vacuum feeding machine, and the negative electrode material is sucked into the vacuum feeding machine through the material suction pipeline; then the feeding port of the ton bag penetrates into the position between the feeding barrel and the clamping ring, the linear driving part is operated to drive the clamping ring to ascend through the lifting plate, the clamping ring and the fixing ring are matched with each other to clamp the feeding port of the ton bag, and then a valve in the vacuum feeding machine is operated to clamp the feeding port of the ton bag. The negative electrode material in the vacuum feeding machine enters the ton bag through the feeding port of the ton bag to be recycled, then the clamping ring is driven to descend, and the ton bag is taken out, so that the negative electrode material can be better conveyed, flying dust is reduced, material loss is avoided, the processing environment is prevented from being polluted, and the health of operators is prevented from being affected.

This invention relates to the field of mining environmental protection equipment technology, and more particularly to a separable mining carbon neutralization device. The separable mining carbon neutralization device provided by this invention solves the technical problem of poor operational stability in existing mining carbon neutralization devices. The separable mining carbon neutralization device includes a pre-stage component for separating carbon dioxide from gas, a post-stage component for adsorbing the carbon dioxide separated by the pre-stage component, and a gas pump. By setting a separation membrane to separate carbon dioxide from the gas, the gas entering the post-stage component has a higher carbon dioxide content and lower impurity content, which facilitates rapid adsorption of carbon dioxide by the adsorbent, thereby improving the stability of the mining carbon neutralization device during operation and increasing the gas treatment efficiency.

The utility model relates to the technical field of feed processing, and discloses a quantitative feeding mechanism for feed processing, which comprises a support. The feeding bin is fixedly connected to the top of the support, and the hopper is fixedly connected to the top of the feeding bin; the motor I is arranged on the right side of the outer part of the feeding bin; the first rotating rod is fixedly connected to the output end of the first motor, the first rotating rod is rotationally connected to the interior of the feeding bin, and the second rotating rod is rotationally connected to the interior of the hopper; the first gear and the second gear are meshed with each other, and the first gear is fixedly connected to the left side of the outer portion of the first rotating rod. According to the feeding device, in the feed processing process, quantitative feeding of raw materials is facilitated, manual operation of operators is not needed, the situation of excessive feeding or small feeding is avoided, and therefore the quality of feed is improved.

The utility model discloses a water collecting well circulating water dust fall device for karst tunnel engineering, including water suction device, water collecting well and fixed together's mobile water tank and sewage collection tank, and water suction device, water collecting well and mobile water tank are communicated in proper order through water pipe, and water pump A is installed to the water inlet of water pipe, and the below and the top of water suction device are all installed with propeller A and drive motor, and the vertically installed telescopic stainless steel bellows of mobile water tank, one end of telescopic stainless steel bellows is located inside mobile water tank, and water pump B is installed to the port, and the other end is located outside mobile water tank, and the port is installed with the shower nozzle, and the periphery of shower nozzle is installed with the fender, and the adjacent fender side fixed connection, and the water inlet of sewage collection tank is located inside fender, and the water outlet of sewage collection tank and water collecting well water inlet are communicated through the backwater pipe. The utility model is used in karst tunnel engineering, not only solves the problem of water accumulation in the cave, but also improves the dust fall efficiency and improves the construction environment.

The application relates to the technical field of powder coating, in particular to a powder coating suitable for laser curing and a preparation method and application thereof. The powder coating for laser curing comprises the following components in parts by weight: resin, curing agent and heat-conducting agent, and other components; the mass ratio of the resin, the curing agent and the heat-conducting agent is 50-90:510:510; the heat-conducting agent is selected from two or more of graphene oxide, nano-aluminum oxide, carbon nanotubes, aluminum nitride and hexagonal boron nitride. The powder coating for laser curing of the application has excellent surface gloss, flatness and substrate adhesion after laser curing, and has good chemical corrosion resistance, and can realize a curing effect equivalent to that of current conventional thermal curing, and has significant application value in the fields of decoration and protection.

The application belongs to the field of waste gas purification, and particularly relates to an organic waste gas purification treatment equipment, which comprises a base, a fan assembly is fixedly installed on the top of the base, an exhaust assembly is arranged on one side of the fan assembly, and the fan assembly output end and the exhaust assembly are in communication, the exhaust assembly is fixedly installed on the top of the base, an adsorption mechanism is arranged on the top of the base, the adsorption mechanism is used for removing pollutants in waste gas, a pretreatment mechanism is arranged on the top of the base, the first main pipe and the first branch pipe are arranged, so that the waste gas can be sprayed and pretreated before being treated by the adsorption mechanism, the dust in the waste gas is reduced, the burden of the activated carbon in the adsorption mechanism on the waste gas treatment is reduced, the water body and the gas in the first box are more uniformly distributed and diffused through the arrangement of the multiple first pipes and the first branch pipes, and the dust removal effect of the water body on the waste gas is improved.

The utility model provides a biomass incinerator feed inlet accumulated material recovery device which comprises a conveying belt, a funnel and a material collecting cavity, the front side and the rear side of the conveying belt are each provided with a set of outer supporting frames used for supporting the outer side of the conveying belt, and the outer side of the left end of each outer supporting frame is provided with a set of front cover plates used for shielding biomass incineration disintegrating slag smoke dust. Compared with the prior art, the biomass incineration disintegrating slag recycling device has the advantages that when biomass incineration disintegrating slag is guided, conveyed and recycled through the conveying belt, the motor drives the conveying belt to move, the biomass incineration disintegrating slag is moved from left to right through the conveying belt, and in the moving process, the biomass incineration disintegrating slag can be recycled. The supporting frame of the M-shaped structure and the guide rollers support the lower end of the conveying belt, the vibration degree of the conveying belt can be reduced so that the dust raising situation generated in the biomass incineration disintegrating slag conveying process can be reduced, and meanwhile the dust raising situation can be reduced in the biomass incineration disintegrating slag feeding and discharging process through the front cover plate and the rear cover plate.

This invention proposes a grinding device and method for diamond abrasive workpieces, belonging to the technical field of grinding devices. It addresses the problem of uneven grinding caused by debris accumulation during the grinding process of diamond abrasive workpieces, a core bottleneck restricting workpiece processing quality. The device includes a worktable with two supports and a mounting port on top. A placement plate with a central hinged support is located at the mounting port, and the placement plate includes a fixing device and a counterweight. Mounting slots are located at both ends of the mounting port, housing retractable support seats. The worktable also includes a vertical frame (slidingly connected to a crossbeam, with a grinding machine at the bottom of the crossbeam, and the vertical frame equipped with a first drive device to raise and lower the crossbeam) and a water tank (connected to water pipes, nozzles, and a water pump). This invention utilizes the coordinated operation of the supports, placement plate, and nozzles. The supports ensure the placement plate is horizontal for easy workpiece fixation. During grinding, the nozzles spray water to reduce debris and ensure uniform grinding. After grinding, the supports retract, and the placement plate tilts to allow debris to automatically slide off, reducing dust and improving efficiency.

The application discloses a bridge culvert vehicle height limiting device and belongs to the technical field of vehicle height limiting, which comprises a U-shaped frame, a height limiting rod arranged outside the U-shaped frame, a square groove formed in the outer surface of the U-shaped frame and a piston cavity arranged inside the U-shaped frame, and the inner bottom wall of the square groove is rotationally connected with the outer surface of a reciprocating screw rod, and the outer surface of the reciprocating screw rod is threadedly connected with a nut. In the application, the nut is driven by a motor to reciprocatingly move up and down on the inner wall of the square groove, water in a water source below the bridge culvert or a water tank outside is sprayed to the outside through a spray head, the road surface above the bridge or the tires of passing vehicles are washed, the generation of dust is slowed down, the warning of the device is favorable for the subsequent passing vehicles, the warning effect of the device is improved, the front surface of the nut is in contact with the outer surface of a hexagonal reflective column during the movement of the nut in the square groove, the hexagonal reflective column is driven to rotate, the rotating hexagonal reflective column can attract more attention, and the warning effect of the width of the bridge culvert is improved.

The utility model provides a device integrating guardrail cleaning and garbage collection, and belongs to the technical field of guardrail cleaning, the device integrating guardrail cleaning and garbage collection comprises a garbage can body, a clean water can body, a water spraying system, a sweeping system, a suction system and a guardrail cleaning device, the garbage can body is arranged on a cleaning vehicle and used for storing garbage; the sweeping systems are arranged on the two sides of the cleaning vehicle correspondingly and used for sweeping garbage to the edge of a suction nozzle of the suction system in a centralized mode, and the suction system is in through connection with the garbage can body and used for sucking the garbage collected by the sweeping systems into the garbage can body. The guardrail cleaning device is fixedly connected with the front end of the cleaning vehicle through a connecting frame; the problems that an existing guardrail cleaning device cannot effectively collect garbage generated in the cleaning process, and road tidiness is affected can be solved. And meanwhile, the problems that an existing cleaning device lacks an effective obstacle avoidance function and is prone to collision or damage in a complex environment can be solved.

The utility model discloses a kind of batching devices for resin anchoring agent production, it is related to resin anchoring agent production technical field, including processing cylinder and limit frame, the front side of limit frame is slidably connected with top cover;In the utility model, by feeding hopper can be put into material inside guide cylinder, and buffer is carried out through spiral frame, so that material slowly moves down, prevent material directly falling into processing cylinder inside and produce more dust, start motor through shaft rod drives round plate rotation, round plate drives two stirring rollers and limit shell rotation, drive stirring roller autorotation by the transmission of gear and gear ring, to stir inside material of processing cylinder, multiple ball contact with shift lever in process, jolt shift lever drives vibrating frame to move up, then spring reset drives vibrating frame to move down, to drive vibrating frame to vibrate constantly up and down, by two vibrating frames to vibrating and defoaming inside material of processing cylinder, so that resin anchoring agent mixture is more uniform, produce less dust, convenient to use.

The utility model discloses a processing crushing device for preparing wollastonite, which comprises a frame body, a crushing mechanism is fixedly arranged in the middle of the frame body, the wollastonite is crushed through the operation of the crushing mechanism, the larger crushed wollastonite stays on a screen, and then the end part of the screen is controlled to intermittently lift, so that the wollastonite is crushed. When the end portions of the screen mesh are located at a low position, large wollastonite broken materials fall into the lifting frame through the screen mesh, then the lifting frame is controlled to ascend and incline, and the large wollastonite broken materials in the lifting frame fall into the smashing mechanism under the action of gravity. Wollastonite is crushed again through operation of the crushing mechanism, the crushing effect on the wollastonite is improved, water is fed into a water inlet pipe through a water pump, the water flows into the water inlet pipe, the water is atomized through an atomization nozzle, and dust generated in the wollastonite crushing process can be adsorbed so as to be used for reducing flying dust.

This utility model relates to the field of cotton yarn production technology and discloses an anti-clogging feeding device for a cotton yarn production machine, including a lifting support and an anti-clogging feeding mechanism. The lifting support is driven by a servo screw linear module to lift and lower the vacuum suction tube and the take-up mask. The anti-clogging feeding mechanism includes a feeding box, a feeding rod, an anti-clogging rod, and a driving device. The feeding rod and the anti-clogging rod are rotatably mounted inside the feeding box, and the driving device is used to drive the feeding rod and the anti-clogging rod to rotate. The feeding box is connected to the take-up mask and is used to store the cotton to be fed. The feeding rod is used to push the cotton below the feeding box into the feeding box. The anti-clogging rod is used to prevent the cotton from clogging the take-up mask and the vacuum suction tube during the feeding process. The feeding rod and the anti-clogging rod are designed with oppositely rotating feeding rods and pear-shaped blades to effectively prevent cotton clogging and distribute it evenly. This effectively solves the clogging problem in the cotton feeding process, improves feeding accuracy and efficiency, and reduces energy consumption and maintenance costs.

The invention provides a method and system for regenerating fibers from waste textiles, and relates to the technical field of textile equipment. The method comprises the following steps: firstly, slitting a waste textile raw material through a vertical crossing slitting unit to obtain a cloth piece with a preset size; then, auxiliary agent spraying and steam ageing treatment are carried out on the cloth pieces, so that cohesive force between fibers is reduced; then carrying out flexible pretreatment, gradually loosening a warp and weft yarn structure through a needling device, and carrying out preliminary opening; then, through the multi-stage opening and impurity removal step, the materials are converted into a single fiber state in combination with a material distribution mechanism; the fibers are atomized and humidified in the conveying or storage process so as to maintain the water content and the strength; then fully carding through a carding and fiber separating machine, and separating the single fibers into at least three types of long fibers, medium and short fibers and ultra-short fiber components according to the difference between the fiber length and aerodynamic characteristics; and finally, respectively collecting and packaging the fibers with different length components. According to the invention, high-valued cyclic utilization of the waste textiles is realized.

The utility model discloses an on-line surface lubricating liquid coating device for an enameled wire in the technical field, which comprises a base, an unwinding frame is fixedly connected onto the base, an unwinding roller is rotatably connected onto the unwinding frame, a support frame is fixedly connected onto the base, and the unwinding roller is rotatably connected onto the support frame. A supporting frame is fixedly connected to the base, a coating box is fixedly connected to the supporting frame, a spraying pipe is movably connected to the interior of the coating box, a spraying head is fixedly connected to the spraying pipe, a driving assembly is arranged on the coating box, the driving assembly is used for driving the spraying pipe to move, a liquid supply assembly is arranged on the coating box, and a rolling frame is fixedly connected to the base; the varnished wire spraying device has the advantages that the positions of the spraying pipe and the spraying head are adjusted through the driving assembly, and therefore the surface of a varnished wire is evenly and fully coated with lubricating liquid.

This utility model relates to the field of plastic processing equipment, and more particularly to a high-efficiency screening device for modified plastics. It includes a base, a screening machine fixedly connected to the left side of the base, and a support fixedly connected to the right side of the base. A material cylinder is bolted to the support. The material cylinder is installed at an angle, higher on the left and lower on the right. A discharge port is located on the lower left side of the material cylinder, directly above the screening machine, ensuring accurate material entry into the machine. An inlet is located on the upper right side of the material cylinder. Through the auger and the inclined material cylinder, a highly efficient material conveying system is formed. The auger's spiral blades rotate at high speed driven by a motor. Combined with the inclined structure of the material cylinder (higher on the left and lower on the right), the material is quickly and stably pushed from the inlet to the outlet using both gravity and mechanical thrust. Compared to traditional devices, the feeding efficiency is significantly improved.

The utility model discloses stirring equipment for carbon black production, and relates to the technical field of carbon black stirring, the stirring equipment comprises a mounting rack, the top of the mounting rack is rotatably connected with two rotating rods, the middle positions of the rotating rods are respectively and fixedly connected with two moving wheels, one end of each rotating rod is fixedly connected with a first belt wheel, and the other end of each rotating rod is fixedly connected with a second belt wheel. A motor is arranged at one end of the mounting frame, a second belt wheel is fixedly connected to one end of an output shaft of the motor, a belt is arranged between the second belt wheel and the first belt wheel, and a rotating rail is arranged at the top of the moving wheel. According to the stirring equipment for carbon black production disclosed by the utility model, water is injected into the interior of the stirring plate through the plurality of diversion pipes and flows out through the plurality of water holes, and the stirring barrel and the stirring plate rotate relatively, so that carbon black and water are uniformly mixed; water flowing out of the water holes washes away carbon black on the surfaces of the stirring plates, and the effects of stirring the carbon black and cleaning the surfaces of the stirring plates are achieved at the same time.

The application discloses a split low-temperature drying equipment warehouse body precise air control structure and method, relates to the sludge low-temperature drying technical field, and includes the warehouse body and the heat source center, the bottom of the warehouse body is connected with the dehumidification fan and the heating fan through the air pipe respectively, the top of the warehouse body is internally provided with the condenser, the condenser is connected with the heating fan through the pipeline, the heat source center is arranged outside the warehouse body, and the heat source center is connected with the dehumidification fan and the warehouse body through the pipeline;Wherein, the bottom of the warehouse body is spaced apart by the corresponding space through the partition baffle, and according to the air volume of the dehumidification circulating air generated by the dehumidification fan and the heating circulating air generated by the heating fan, the corresponding space is provided with the air diffuser or the flow guide plate to make the circulating air realize diffusion and paving in the horizontal direction and the vertical direction, and then the air speed of each position is same when the circulating air flows to the top direction of the warehouse body.The application is convenient for heating / dehumidification circulating air to be sent into from different sides of the warehouse body, and is beneficial to the precise control of the distribution of circulating air after entering the warehouse body.

The invention discloses a slag falling prevention structure from a continuous belt conveyor to a transfer belt conveyor, and relates to the technical field of bulk material conveying, the slag falling prevention structure comprises a material guide groove arranged between the continuous belt conveyor and the transfer belt conveyor; the conveying sealing mechanism comprises a sealing skirt edge which is arranged at the end, close to the transfer belt conveyor, of the material guide groove, an elastic adjusting device is arranged between the sealing skirt edge and the material guide groove, the elastic adjusting device deforms when materials are conveyed so that the end, away from the material guide groove, of the sealing skirt edge can be attached to the bearing face of the transfer belt conveyor, and the reliability of the sealing effect is guaranteed. After material conveying is completed, the elastic adjusting device resets to enable the sealing skirt to be away from the bearing face, and abrasion is reduced; the buffering mechanism is arranged on the inner wall of the bottom of the material guide groove and buffers materials when the material guide groove receives the materials, impact is reduced, and material scattering and dust raising are reduced; the dust removal mechanism is arranged above the material guide groove and used for absorbing dust-containing gas generated during material conveying, the purpose of dust suppression is achieved, dust diffusion is controlled, and the working environment of a transfer point is improved.

The utility model relates to the field of steel plate polishing machine especially relates to multifunctional adjustment's steel plate polishing machine, including the mounting seat, still including the fixed mounting in the upper end of mounting seat's connecting vertical board, the upper end of mounting seat is located in the front side of connecting vertical board and is fixedly installed with conveyer belt frame through the support plate, the inside of conveyer belt frame is provided with conveyer belt body, and conveyer belt body is used for conveying steel plate, and the front side of connecting vertical board upper end is provided with the mounting support, and the inside of mounting support is provided with polishing assembly, and the back end of mounting support and connecting vertical board between are provided with adjusting assembly, and the right side of the surface of connecting vertical board is provided with dust collection head, the utility model discloses polishing motor drives polishing wheel to rotate, and steel plate is moved by conveyer belt body drive, realizes the feeding, makes steel plate enter the polishing wheel below, carries out polishing processing, and through the sliding of fixed screw in sliding groove, changes the position of polishing wheel, and conveniently adapts the steel plate of different specifications, improves practicality.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The utility model belongs to the technical field of protective sheds, and particularly relates to a protective shed for constructional engineering, which solves the problems of insufficient comfort and insufficient practicability in the prior art, and comprises a main shed body, a main shed assembly, an auxiliary shed assembly, a heat dissipation assembly and an auxiliary assembly, the auxiliary shed assemblies are arranged on the two sides of the main shed body, the heat dissipation assemblies are arranged on the two sides of the auxiliary shed assemblies, the auxiliary assemblies are installed at the bottom of the main shed assembly, and through arrangement of structures such as a lead screw motor and the auxiliary shed bodies, a bidirectional lead screw is driven by the lead screw motor to rotate, so that sliding of the two auxiliary shed bodies is achieved; the size of a protection area is flexibly adjusted, a sealing gasket is designed to effectively prevent rainwater from permeating, an external pipeline is connected with a water source, a first spraying head and a second spraying head spray water mist, dust in the construction period is reduced, a servo motor drives a straight shaft to rotate, the angle of an axial flow fan is adjusted, blowing cooling is conducted after starting, and the comfort of the construction environment is improved.

The application discloses a glass fiber cotton felt, and relates to the technical field of thermal and sound insulation materials. The glass fiber cotton felt is obtained by spraying an adhesive on glass fibers, curing and drying. A modified phenolic resin solution is obtained by the following steps: adding 200-300 parts by weight of formaldehyde to 100 parts by weight of a mixed solution composed of phenol, dimethyl phenol and lignin, and reacting at a temperature of 40-60 DEG C to obtain a first solution, wherein the weight ratio of the phenol, dimethyl phenol and lignin is 10:2-4:1-8. An organic silicon modified methyl methacrylate prepolymer solution is obtained by the following steps: adding 100-200 parts by weight of methyl methacrylate to 100 parts by weight of a mixed solution composed of a silicon source and an organic solvent, uniformly stirring, and then adding deionized water and an initiator. The glass fiber cotton felt of the application has excellent hydrophobic performance, and the hydrophobic rate of the glass fiber cotton felt reaches 99% while the resilience of the glass fiber cotton felt is maintained.

The utility model relates to the technical field of ramie decorticating, in particular to an automatic ramie decorticating machine which comprises a decorticating box, a feeding top frame, a lifting support, a decorticating pressing cylinder, a first decorticating roller, a second decorticating roller, an extrusion assembly and a pushing assembly, the feeding top frame is fixedly connected to the top of the decorticating box, and the lifting support is slidably connected to the inner side of the feeding top frame; the ramie peeling pressing cylinder is rotationally connected to the bottom of the lifting support, the first peeling roller is rotationally connected to the inner side of the bottom of the ramie peeling box, the second peeling roller is connected to one side of the first peeling roller in an engaged mode, the pushing assembly is installed at the upper end of the first peeling roller and the upper end of the second peeling roller, and one side of the pushing assembly is fixedly connected with the inner wall face of the feeding top frame. According to the automatic ramie peeling machine, the ramie on the edge can be drawn close to the middle through the design of the material pushing assembly, it is guaranteed that the ramie is evenly distributed between the peeling rollers, the ramie peeling efficiency is improved, and equipment failures or ramie peeling quality reduction caused by uneven distribution of the ramie are avoided.

The utility model provides an air detection device, which relates to the technical field of air quality detection and comprises a support table, a protective cover is fixedly mounted at the top of the support table, an air detector is fixedly mounted on one side of the inner wall of the protective cover, a connecting pipe is arranged on one side of the protective cover, and a control panel is fixedly mounted at the top of the protective cover. According to the air purification device, when air detected by the air detector enters the purification box under the action of the suction fan, the air flows in the purification box under the action of the spoiler, and the outer surface of the spoiler is provided with the photocatalyst, so that the air is in full contact with the photocatalyst, and under the irradiation of ultraviolet rays or visible light, the air can be purified. The photocatalyst can generate free radicals with strong oxidizing property, organic pollutants such as formaldehyde in the air are decomposed into carbon dioxide and water, and the generated water can enter the collecting box through the hose, so that the air can be better purified.

The invention discloses a high-frequency defibering-air flotation synergistic waste paper fine screening residue complete recycling system and method, and belongs to the technical field of waste paper pulping and solid waste recycling. According to the system, through a high-frequency defibering unit, an air flotation separation unit, a fiber recovery unit and a slag discharge energy regeneration unit which are sequentially connected in a closed loop mode, complete recycling of fine screening slag is achieved. The method comprises the following steps: carrying out high-frequency defibering on fine screening slag slurry at a specific low concentration (0.5%-1.1%); controlling the slag discharge rate of the air flotation separation unit to be 10-20%, and separating out clean slurry and high-calorific-value scum; concentrating and recycling the clean slurry; and the dehydrated scum is converted into biomass solid fuel with a calorific value of not less than 20MJ / kg or is pyrolyzed to produce gas. According to the invention, a complete industrial closed loop from'waste residue 'to'resource' is formed, efficient recovery (more than or equal to 80%) of fibers, deep removal (more than 90%) of large stickies and energy utilization of scum are synchronously realized, and the problem of treatment and disposal of terminal waste residue in the traditional process is solved.

The utility model belongs to the field of road sign spraying, and particularly relates to a ground road sign spraying device which comprises a cart. A spraying box is fixedly connected to the top of the cart, a spraying head is arranged at the bottom of the spraying box, a protective frame is fixedly connected to the side face of the cart, an electric push rod is fixedly connected to the top of the protective frame, and the output end of the electric push rod penetrates through the protective frame and is fixedly connected with a moving plate. A motor is fixedly connected to the top of the movable plate, a fixed plate is fixedly connected to the side face of the movable plate, and a cleaning rod is rotationally connected to the inner side of the fixed plate; the cleaning rod is continuously driven by the motor to rotate, the ground to be sprayed by the spraying head can be cleaned, the cleaning rod can be driven by the electric push rod to move up and down, the cleanable height of the cleaning rod is adjusted, the cleaning rod is made to adapt to the ground of different heights, the contact strength of the surface of the cleaning rod and the ground is increased, and the ground cleaning efficiency is improved.