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271 results about "Rockdust" patented technology

Rock dust, also known as rock powders, rock minerals, rock flour, soil remineralization, and mineral fines, consists of finely crushed rock, processed by natural or mechanical means, containing minerals and trace elements widely used in organic farming practices.

Method and system for identifying atmospheric pollution source in sand and dust scene, computer equipment and medium

The invention provides a sand and dust scene atmosphere pollution source identification method and system, computer equipment and a medium, and belongs to the field of environmental pollution analys.The method comprises the steps that the types of volatile organic compounds and the types of fine particulate matter PM2.5 in the atmosphere of a sand and dust scene to be identified in a target area are identified, and the concentration of the volatile organic compounds and the concentration of the fine particulate matter PM2.5 are measured; carrying out mineral dust proportion calculation on the types of the fine particulate matters PM2.5 and the concentration of the fine particulate matters PM2.5 to obtain a mineral dust quantification result, and determining a dust source contribution weight according to the active metal increment in the mineral dust quantification result; and performing positive matrix decomposition prediction on the types of the volatile organic compounds, the concentration of the volatile organic compounds, the types of the fine particulate matters PM2.5 and the concentration of the fine particulate matters PM2.5 based on the dust source contribution weight, and determining the pollution source contribution proportion of the atmosphere of the sand and dust scene to be identified. According to the method, the accuracy of pollution source identification is guaranteed, and a basic guarantee is provided for subsequent pollution source treatment.
Owner:HAINAN NORMAL UNIV

Wind power mineral separator

The wind power mineral separator comprises a supporting frame, a winnowing cavity, a wind cavity and a circulating wind pipe, the winnowing cavity is installed on the supporting frame, the interior of the winnowing cavity is hollow, a feeding hopper is arranged on the top of the winnowing cavity, and a sand discharging opening and an opening are formed in the bottom of the winnowing cavity; the air cavity is installed on the supporting frame, the interior of the air cavity is hollow, a fan is rotationally arranged in the air cavity, and one end of the air cavity communicates with the winnowing cavity; air flow blows passing minerals when passing through the winnowing chamber, and according to the principle that different specific gravities are different and transverse moving distances are different when the air flow is blown by uniform-speed equal-quantity air, different minerals finally have different falling points on a material plate, so that separation is achieved, and meanwhile dust blown by the air flow is separated by the air flow. Heavy gravels and the like are discharged from the sand discharge port, and light dust flows back into the air cavity from the circulating air pipe along with airflow, so that the dust circulates in the device, and the dust is prevented from rising.
Owner:SHICHENG COUNTY JINCHUAN MINERAL PROCESSING EQUIP MFG CO LTD

Automatic flour cleaning machine for wheat test processing

The invention discloses an automatic flour cleaning machine for wheat test processing, which comprises a machine body, one end wall of the machine body is provided with a feed inlet, no less than one screening net is uniformly distributed in the machine body, a corresponding number of discharge channels matched with the screening net are arranged in the machine body, and a dust filtering assembly capable of rotating is arranged above the screening net in the machine body. An air guide assembly is arranged below the screening net in the machine body, an air inlet end is arranged on one side of the air guide assembly, and an air exhaust end is arranged above the dust filtering assembly; the dust filtering assembly capable of rotating is arranged on the circulation path of the air flow, the air flow carrying impurities such as dust and fluff is filtered and cleaned, the dust filtering assembly has a self-cleaning effect, the flowing air flow can be continuously and stably filtered and cleaned, and the cleaning efficiency is improved. And the independent discharging channel is used for guiding and discharging impurities filtered and cleaned by the dust filtering assembly, so that the influence on the surrounding air quality is avoided.
Owner:GANSU AGRI UNIV

High-temperature flue gas dedusting and cooling device

The utility model discloses a high-temperature flue gas dedusting and cooling device, which relates to the technical field of flue gas treatment and comprises a device main body, a gas inlet, a driving motor, a driving rod, a connecting rod and an inclined plate, a baffle is arranged on the outer side of the center of the driving rod, spiral pipes are connected to two sides of the baffle, and a cleaning rod is connected below the driving rod. A temporary storage block is connected to the left side of the filter screen, a stirring rod is connected to the bottom of the driving rod, a water storage tank is arranged below the stirring rod, a circulating pipe is connected to the right side of the water storage tank, and a spray head is arranged below the circulating pipe. The inclined plate is arranged in the device body and matched with the baffle, the inclined plate drives flue gas to circulate, the contact time of the flue gas and water flow is prolonged, the dust removal effect is improved, the mixing time of the flue gas and the water flow is further prolonged through the cooperation of the spiral pipe in the baffle, and the dust removal effect is improved. Therefore, dust in the flue gas can be completely adsorbed by the water flow.
Owner:ZHEJIANG LUCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Workshop dedusting, purifying and filtering device

The invention relates to the technical field of filtering devices, and discloses a workshop dedusting, purifying and filtering device which comprises a machine box, a filter screen is connected to the interior of the machine box in a clamped mode, and a dust falling assembly is arranged in the machine box. The workshop dedusting, purifying and filtering device is provided with the water tank, the first water pump, the spraying plate, the waste water pipe, the filtering tank, the second water pump and the water return pipe, water in the water tank can be pumped through the arranged first water pump and provided for the spraying plate for use, and therefore the spraying plate can pump air in the machine box for dust falling treatment; a drainage groove is formed in the bottom of the machine box, sewage can be filtered and purified through the arranged filter box, the filtered water returns to the water tank to be recycled under the action of a second water pump, the water circulation effect is achieved, and the direct influence of dust on a filter screen is reduced; and the effect of pre-treating air filtration in advance is achieved.
Owner:SUZHOU ZHONGTANG ELECTROMECHANICAL ENG CO LTD

Conveying mechanism of corn straw harvesting equipment

The invention relates to the technical field of mechanical transmission, and discloses a transmission mechanism of corn straw harvesting equipment, which comprises mounting parts, the mounting parts are two mounting plates, and the mounting parts are used for providing mounting space and support for the device; the L-shaped driving part is arranged on the mounting part, and the L-shaped driving part is used for hammering and knocking soil at the roots of the corn straws; wherein the mounting part and the L-shaped driving part are matched with each other in the corn straw conveying process. When a round rod passes through a wave-shaped groove, under the limiting effect of the wave-shaped groove, the round rod can obviously fluctuate up and down, at the moment, a conveying belt vibrates up and down under the effect of the round rod, and mud and dust on the conveying belt can be vibrated to fall onto the inner wall of the lower portion of the conveying belt through vibration; at the moment, soil in a straw placing area above the conveying belt can be separated from the straw, the transportation burden is relieved, the purity of the straw is indirectly improved, the soil is prevented from being mixed into the straw, and the transportation efficiency is improved.
Owner:JIANGSU NANFENG AGRI TECH DEV CO LTD

Auxiliary ball loading device for bearing machining

The utility model provides an auxiliary ball mounting device for bearing machining, which relates to the technical field of bearing machining and comprises a workbench, a fixing frame is fixedly mounted at the top of the workbench, an air cylinder is in threaded connection with the interior of the fixing frame through a screw, and a movable transverse rod is fixedly mounted on one side, far away from the fixing frame, of the air cylinder. The two ends of the movable transverse rod are both slidably connected with sliding ring sleeves, and the two ends of the sliding ring sleeves are tightly attached to the inner wall of the fixing frame. According to the utility model, on one hand, through the design of the eccentric rotating wheel and the detachable fixing rod, the device can be quickly adjusted to adapt to bearings with different specifications and models, so that the universality and the flexibility of the device are greatly improved; on the other hand, the cleaning mechanism with the water pump matched with the water tank is arranged at the top of the workbench, oil stains and dust on the workbench surface can be effectively cleaned, the influence of accumulated dust and dirt on the performance of the device is reduced, the production efficiency is improved, and the service life of the device is prolonged.
Owner:ZHIXING (LISHUI) PRECISION BEARING CO LTD

Husked rice separator with dust falling function

The utility model belongs to the technical field of husked rice separating machines, and particularly relates to a husked rice separating machine with a dust falling function, which comprises a separating box body, a feeding hopper is fixedly connected to one side of the upper surface of the separating box body, a blade plate is rotatably connected in the feeding hopper, an opening is formed in the top of the separating box body, and a sealing plate is fixedly connected to the opening in the top of the separating box body. A dust falling mechanism is arranged on the separation box body; by arranging the dust falling mechanism, dust generated during feeding in the feeding hopper is adsorbed, dust generated during feeding is reduced, dust dissipation is reduced, the situation that equipment is blocked and blocked by rice husks is reduced, the processing efficiency is improved, dust, impurities, rice husks and the like in rice can be effectively removed, the quality and purity of the rice are improved, and the production cost is reduced. And dust can be effectively controlled to be automatically discharged, and the collected dust can be conveniently and intensively collected.
Owner:ANHUI JIESHOUSHI YUNLONG FOOD MACHINE ENG

Flying dust treatment device for constructional engineering

The utility model relates to the technical field of raised dust treatment, in particular to a raised dust treatment device for constructional engineering, which comprises a raised dust treatment component, the raised dust treatment component consists of a plurality of partition board water sprinkling components, and the raised dust treatment component is used for separating a construction area from a residential area; the partition plate water spraying assembly comprises a fence partition plate, a water spraying assembly and a water spraying assembly, the water tank is arranged based on the fence partition plate and used for storing water; the water guide pipe is used for connecting all the water tanks, and the water tanks are connected in series through the water guide pipe; the water outlet tank and the flow guide assembly are arranged on the side, away from the construction area, of the fence partition plate; water in the water tank is guided into the water outlet tank through the flow guide assembly; the water outlet tank is provided with a first water spraying pipe for dust falling and a second water spraying pipe for preventing dust from overflowing, the first water spraying pipe and the second water spraying pipe are independently used, and the problems that a traditional fence is poor in dust isolation effect, and dust still overflows are solved.
Owner:CHONGQING MINRONG TECHNOLOGY CO LTD

Transfer equipment for earthwork

The utility model relates to the technical field of earthwork equipment, in particular to earthwork transfer equipment which comprises a base, a transfer box is rotatably arranged on the top face of the base, an interlayer space is arranged in the center of the base, and a multi-section hydraulic telescopic rod is rotatably installed in the center of the bottom in the base. A support is fixedly installed at the right end of the top face of the base through bolts, a water storage tank is fixedly installed in the support through bolts, a water pump is arranged below the front portion of the water storage tank, and water mist nozzles are fixedly installed at the left ends and the top edges of the front face and the back face of the transfer box at equal intervals. According to the transfer equipment for the earthwork, water storage and supply equipment is arranged on the periphery of the transfer box, and water mist nozzles are additionally arranged on the two sides of the box body, so that in the loading and unloading process, most dust is intercepted and settled, the dust suppression effect is achieved to a certain extent, the situation of dust diffusion is reduced, and the earthwork working environment quality is improved.
Owner:ZHONGTI ENGINEERING TECHNOLOGY CO LTD

Electric compaction apparatus

The utility model provides an electric compaction apparatus and belongs to the field of compaction apparatuses. The utility model aims to solve the problem that dust is raised after soil in a measuring cylinder is hit and the environment is polluted when the existing compaction apparatus is used for hitting operation. An electric compaction device and a soil sample containing part are arranged on the side edge of the stand column, an upper baffle and a lower plate are detachably arranged between the two side plates, a compaction pestle penetrating hole is formed in the upper baffle, an annular gear is clamped in an annular groove of the lower plate through an annular sliding block at the bottom, and inner annular teeth of the annular gear are in meshed connection with a measuring cylinder gear rotationally installed on the lower plate. The measuring cylinder gear is detachably arranged on the lower plate, the output end of the driving motor is connected with the transmission rotating shaft and the transmission gear, and the transmission gear is in meshed connection with the outer ring teeth of the ring gear. The compacting pestle can be used for annularly compacting the soil sample in the autorotation measuring cylinder; the arrangement of the upper baffle can prevent a large amount of dust from splashing in the compaction process of the soil sample, the detachable arrangement of the upper baffle and the lower plate facilitates the addition of the soil sample and the taking of the compacted soil sample, and the operation is more convenient.
Owner:HEILONGJIANG TRANSPORT INVESTMENT GRP CO LTD +1

Vacuum sweeper self-adaptive dust collection control system and use

A vacuum sweeper self-adaptive dust collection control system and the use, the system comprising: a, an environment mapping module which comprises a multi-dimensional sensing technology and a real-time modeling algorithm, and is configured to analyze the dust concentration and the particle size, and construct a three-dimensional model of a working environment; b, a dynamic programming module which is connected to the environment mapping module, and is configured to calculate a dust collection path and suction parameters, and generate a dust collection strategy; and c, a particle control module which is connected to the dynamic programming module and is configured to perform localized attraction or repulsion of dust particles in a specific area.
Owner:HUBEI HONGYU SPECIAL AUTOMOBILE CO LTD

Negative pressure dust removal roller screen

The utility model discloses a negative pressure dedusting roller screen which comprises a feeding cyclone, a dedusting roller screen and a main auger, one side, close to the feeding cyclone, of the main auger is of a solid structure, and the other part of the main auger is of a hollow structure. The centrifugal fan is connected with the dust receiving lower plate, the auxiliary packing auger is rotatably installed in the dust receiving lower plate, and the dust removal roller screen and the main packing auger are opposite in rotation direction. The dust removal device relates to the technical field of roller screens, negative pressure is formed on the surface of the dust removal roller screen through the centrifugal fan, dust can be rapidly sucked away, the dust removal efficiency is greatly improved, and the dust removal efficiency is improved. The soil content in the straw is effectively reduced, the requirement of forage grass production on the straw quality is met, and the health of livestock is guaranteed; the rotating direction of the dust removal roller screen is opposite to that of the main auger, the problem that screen meshes are blocked by straw is avoided, meanwhile, the area of the straw passing through the roller screen is increased, the defects caused by size limitation of the roller screen are overcome, and the working efficiency of equipment is improved.
Owner:JILIN ZHONGCHUANG AGRICULTURAL MACHINERY CO LTD

A greenhouse micro-sprinkling irrigation structure

The utility model provides a kind of greenhouse greenhouse micro-sprinkling irrigation structure belongs to agricultural planting technical field, to solve the existing nozzle has water droplet, dust and water droplet combine, make dust plug nozzle, affect the normal use of nozzle problem, including irrigation pipeline, irrigation shroud, irrigation hose, mobile slider, irrigation nozzle, protective slider, pipeline telescopic mechanism and irrigation protection mechanism;The irrigation shroud is fixedly connected in irrigation pipeline lower side;The irrigation hose is fixedly connected in irrigation pipeline lower end surface;The mobile slider is fixedly connected in irrigation hose lower end surface;The protective slider is slidably connected in irrigation shroud inside;The pipeline telescopic mechanism is arranged in irrigation shroud inside;The irrigation protection mechanism is arranged in irrigation shroud inside.By adopting pipeline telescopic mechanism, the range of height spraying water according to irrigation nozzle is realized conveniently, by adopting irrigation protection mechanism, the service life of irrigation nozzle is guaranteed.
Owner:SHANDONG ZELIN AGRI TECH CO LTD

Purging device and gangue selecting equipment with same

The utility model provides a purging device and gangue selecting equipment with the same. The purging device comprises a main body part and a blowing part, wherein the main body part is provided with a feeding end for inputting a to-be-purged piece and a discharging end for outputting the to-be-purged piece; the stone moving roller assembly is arranged on the main body part and used for bearing a to-be-blown piece, one side of the stone moving roller assembly is arranged towards the feeding end, and the other side of the stone moving roller assembly is arranged towards the discharging end; the stone moving roller assembly comprises a first roller body and a second roller body which are arranged at an interval, the first roller body and the second roller body are rotatably arranged, and the rotating direction of the first roller body is opposite to that of the second roller body; spiral bulges are arranged on the surfaces of the first roller body and the second roller body; and the blowing end of the blowing assembly faces the stone moving roller assembly, and the blowing end is used for blowing out gas. According to the technical scheme provided by the utility model, the technical problem that sundries and dust attached to the surface of the coal gangue are difficult to clean in the prior art can be solved.
Owner:CHINA ENERGY GRP NINGXIA COAL IND CO LTD

Device for reducing dust accumulation in wire feeding machine

The present invention provides a device for reducing dust accumulation in a wire feeder, which belongs to the technical field of cigarette manufacturing. The device for reducing dust accumulation in a wire feeder comprises a dust collecting device, a partition baffle device, a positive pressure blowpipe, a horizontal push opening and closing valve and a funnel, wherein the partition baffle device is installed directly below the water level spiral auger of the wire feeder, the funnel is connected below the partition baffle device, the dust collecting device connects the funnel and a centralized dust removal pipe of the wire feeder, the positive pressure blowpipe is installed on the side wall panel of the wire feeder away from the return wire inlet, the air outlet of the positive pressure blowpipe is aligned with the surrounding of the rotating dragon cover of the wire feeder and the protective door of the wire feeder, and is used to blow fallen dust into the funnel, the horizontal push opening and closing valve is installed at the front end of the branch pipe of the centralized dust removal pipe, and the horizontal push opening and closing valve is used to adjust the suction wind force of the centralized dust removal pipe. The invention solves the problem of dust accumulation in the wire feeder and affecting the quality of tobacco.
Owner:CHINA TOBACCO SHANDONG IND

Feed screening device capable of removing feed powder residues

The utility model relates to the technical field of feed screening devices, in particular to a feed screening device capable of removing feed powder slag, which comprises a frame, a screening component, a vibration component and a powder slag collecting component, the vibration component is arranged in the frame, the screening component is arranged on the vibration component, and the powder slag collecting component is arranged on the frame. The vibrating assembly is used for reciprocating vibration of the screening assembly and screening feed in the screening assembly layer by layer, the powder residue collecting assembly is arranged on one side of the rack and used for sucking out powder residues of the feed in the screening assembly and then discharging the powder residues, and a material box is further arranged on the rack. The second rotary driving part is arranged, the fan blades rotate at a high speed through the second rotary driving part to enable air to flow, light impurities are separated from materials through the carrying effect of air flow, the impurity removal effect is improved, the light impurities such as feather fragments and dust in feed can be effectively removed, and the cleanliness of the feed is improved.
Owner:MEIZHOU JIUDING FEED TECH CO LTD

Floor scrubber with dry area and wet area

The invention discloses a scrubber with a dry area and a wet area in the field of scrubber equipment, which comprises a shell, the shell is provided with a working cavity with an opening facing the ground, and a ground brush structure is arranged in the working cavity; a sewage tank, a dust tank and a water conveying structure are arranged in the shell, and a first automatic dust suction structure and a second automatic water suction structure are arranged between the dust tank and the working cavity and between the sewage tank and the working cavity respectively; the shell is further provided with a sensor and a controller, and the sensor, the floor brush structure, the first automatic dust suction structure, the second automatic water suction structure and the water conveying structure are all electrically connected to the controller. The sensor is used for detecting whether water exists on the ground; whether water exists on the ground or not is detected through the sensor, so that the T1 mode or the T2 mode is automatically selected to be started, dirt is divided into a dry area and a wet area, dry objects are sucked into a dry area dust box through a dust suction mode, sewage and the like are sucked into a sewage box through a floor washing mode, the dirt can be treated in a dry and wet separated mode, and the problem that the dirt of the floor washing machine is difficult to clean is solved.
Owner:SICHUAN AI-CHANCE TEC CO LTD

Underground inspection robot

An underground inspection robot comprises a shell, an automatic lifting mechanism and an automatic flushing mechanism, the automatic lifting mechanism and the automatic flushing mechanism are arranged in the shell, a water outlet of the automatic flushing mechanism directly faces a shooting device, the shooting device is arranged at the top of a lifting plate, and the lifting plate can pass through a lifting opening formed in the top of the shell in the vertical direction. The bottom of the lifting plate is connected with the top of the automatic lifting mechanism, and the automatic lifting mechanism is connected with the shell. Walking wheels are arranged at the bottom of the shell. The inspection robot can enter a narrow space in a mine or a ship which is difficult to enter manually or has potential safety hazards for inspection, has a self-cleaning function, and prevents dust and stains from interfering with an image acquisition effect.
Owner:WUHAN MARINE MACHINERY PLANT

Grain conveyor applying AGV steering wheel

The utility model provides a grain conveyor applying AGV steering wheels, and relates to the technical field of grain conveying and storage. The grain conveyor applying the AGV steering wheel comprises a bearing bottom plate, a separating mechanism is arranged above the bearing bottom plate, the separating mechanism comprises a first chain wheel, the outer surface of the first chain wheel is in transmission connection with a chain, and the outer surface of the chain is in transmission connection with a second chain wheel. According to the grain conveyor applying the AGV steering wheel, through cooperation of a first chain wheel, a chain, a second chain wheel, blowing fan blades, a connecting rod, a protection box, a blowing box, a flow collecting box, a flow guide plate and a storage box, grain falling into the blowing box is blown, and rice husks, straw and dust in the grain can be blown into the flow collecting box; the rice husks, the straws and the dust can be guided into the two storage boxes through flow guide of a flow guide plate, so that the rice husks, the straws and the dust are effectively separated from the grains, and the storage quality of the grains is greatly improved.
Owner:HENAN YANLUO GRAIN MACHINERY

Grain storage system

The utility model relates to the technical field of grain storage, in particular to a grain storage system. Comprising a grain unloading unit, a conveying unit, a lifting unit, a cleaning unit and a silo unit. The cleaning unit comprises a cleaning sieve, an air suction separator and an iron remover which are connected in sequence, and further comprises a dust removal fan, a second pulse dust remover and a cyclone dust collector which are connected in sequence; a connecting pipe is arranged at the top of the cleaning sieve; an air inlet of the cyclone dust collector is respectively connected with an air outlet of the air suction separator and the connecting pipe of the cleaning sieve; each silo unit comprises a plurality of silos which are linearly arranged, and ventilation mechanisms are arranged at the lower parts of the silos; and the second conveyor is positioned above the silo and is provided with a plurality of unloading points opposite to the feed port of the silo. The cleaning sieve is connected with the cyclone dust collector, so that the interior of the cleaning sieve is kept in a negative pressure state, dust is prevented from overflowing, the dust sequentially passes through the air suction separator and the iron remover and then passes through the second elevator and the second conveyor to be conveyed into the silo, the ventilation mechanism adjusts the temperature in the silo, and the grains are prevented from going bad.
Owner:LIAONING YINGCHUN STEEL SILO ENG CO LTD

Automatic preparation system for soil sample

The invention relates to the technical field of soil sample preparation, in particular to an automatic soil sample preparation system which comprises a drying module, a coarse screening module, a grinding module, a fine screening module, a weighing module and a cleaning and dust collecting module. The drying module is arranged at the right upper part of the whole system and is used for preparing a fresh soil sample into a dry soil sample; the coarse screening module is obliquely arranged below the drying module and is used for primarily grading the dried soil sample and separating impurities; the grinding module is arranged below the coarse screening module and used for crushing the soil particles to the target particle size; the fine screening module is arranged below the grinding module and is used for precisely grading the soil sample; the weighing module is arranged below the fine screening module and is used for quantitatively sub-packaging the soil samples; the cleaning and dust collecting module is arranged on the lower left portion of the system and used for cleaning all the modules and collecting dust. The system can realize automatic preparation of the soil sample, and has the advantages of high efficiency, environmental protection, low cost and the like.
Owner:JILIN AGRICULTURAL UNIV +1

Protective shell of temperature, pressure and wind sensor for desert environment

The utility model relates to the technical field of temperature and pressure wind sensors, and especially relates to a temperature and pressure wind sensor protective housing used in a desert environment. According to the technical scheme, the device comprises a shell and a plurality of sensing holes formed in the shell, and further comprises a filter cover fixedly installed on the shell and used for blocking the sensing holes; and a multi-stage filtering mechanism. Through cooperation of the filter cover, the multi-stage filter mechanism, the storage mechanism, the vibration mechanism and the like, solid particles such as sand and dust can be effectively prevented from entering the sensing hole of the sensor through multi-stage filtration, it is ensured that the sensing hole is kept smooth for a long time, and high efficiency of the sensor is maintained. And entering particles can be effectively intercepted, damage of the particles to internal elements of the sensor is reduced, and the service life of the sensor is prolonged. In addition, sand grains are automatically collected after being driven by wind power, filtering holes can be continuously kept unobstructed, hole channel blockage caused by sand grain accumulation is avoided, and therefore unsmooth circulation or equipment faults caused by blockage are avoided.
Owner:INST OF DESERT METEOROLOGY CMA URUMQI

Grain sweeper

The utility model relates to a grain sweeper and belongs to the field of bulk material storage devices. A grain sweeper comprises a sweeper body, a sweeping device and a storage structure are arranged on the sweeper body, the storage structure is a storage hopper, and the storage hopper is provided with an opening capable of being arranged towards the sweeping device; an air outlet device is arranged at the bottom of the vehicle body, an air outlet of the air outlet device is transversely arranged, and an air outlet path is located on the rear side of the sweeping device and partially coincides with a conveying path of grains swept by the sweeping device. Through the arrangement of the air outlet device, grains which come out of the sweeping device and need to enter the storage hopper can pass through an air outlet path of the air outlet device, and dust and impurities can be blown away by the air outlet device due to the fact that the weight of the dust and the impurities is lighter than that of the grains; therefore, the problem that in the prior art, due to the fact that grains on the ground are collected in a suction mode, dust and other light sundries on the ground are collected in a vehicle together, and the number of the dust and other light sundries in the grains is large is solved.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Outdoor mu measuring equipment with dustproof and waterproof shell

The invention discloses an outdoor acre measurement device with a dustproof and waterproof shell, and belongs to the technical field of outdoor acre measurement, the outdoor acre measurement device comprises a fixed frame, an adjusting groove is formed in the fixed frame, a lifting rod is arranged in the fixed frame, a locking nut is arranged between the lifting rod and the fixed frame, and the adjusting groove is formed in the fixed frame. A rotating shaft is installed at the bottom of the fixed frame, rolling wheels are connected to the rotating shaft, a handle is arranged at the top end of the lifting rod, a fixed cover is installed on the lifting rod, and a rotating shaft is arranged on the lifting rod. The device is provided with a double protection structure of the fixed cover and the rotating protection cover, the rotating protection cover can be flexibly opened and closed through the rotating shaft, the closed rotating protection cover and the lantern ring form a tightly-attached protection space, the dustproof and waterproof grade is improved to the IP67 grade, rainwater and dust can be effectively prevented from invading the interior of the acre measuring instrument, and the equipment failure rate is reduced. Meanwhile, the rotary protective cover and the lifting rod form a detachable structure through the lantern ring, only the protective cover needs to be taken down during maintenance, and operation is convenient and fast.
Owner:MALIDUO (JIANGSU) AGRICULTURAL TECHNOLOGY CO LTD

Environment-friendly building demolition waste steel bar recycling and recycling device

The invention relates to the technical field of solid waste treatment, in particular to an environment-friendly building demolition waste steel bar recycling and recycling device. A feeding port is formed in the top of a pretreatment mechanism, a water supply mechanism is arranged on the right side of the pretreatment mechanism, a first cleaning rolling brush is arranged on the left side in the box, and a second cleaning rolling brush is arranged on the right side in the box and used for cleaning concrete residues on the surface of a pre-pressing roller; a spray head adjusting rod is located below a first cleaning rolling brush, the scouring angle can be adjusted, dust suppression is achieved in cooperation with a transverse spray head, and the steel bar treatment quality is improved; a crushing box is arranged at the bottom of the right side of the pretreatment box, and dust collection mechanisms are arranged on the front side and the rear side of the pretreatment box and internally provided with a dust collection box and a dust collection fan; the left bottom sorting mechanism is linked with the pretreatment mechanism through a first belt, filter screen accumulation is prevented, a filtering mechanism is arranged below the device, water resource recycling is achieved, coarse aggregate and fine aggregate are separated, classification treatment is facilitated, the pretreatment efficiency is effectively improved, abrasion is reduced, and the service life is prolonged.
Owner:海江科技集团有限公司

Municipal road drainage pipe mounting device and mounting method thereof

The invention discloses a municipal road drainage pipe mounting device and a mounting method thereof, and relates to the technical field of municipal road drainage pipe mounting. The municipal road drainage pipe mounting device comprises a frame and inclined guide rods symmetrically arranged on the upper portion of an inner cavity of the frame, motors are oppositely arranged at the bottom of the frame, and reciprocating lead screws are fixedly arranged at the output ends of the motors; and a plurality of cleaning mechanisms are arranged on one sides of the reciprocating lead screws and used for scraping and cleaning dust on the surfaces of the pipelines and smearing lubricating agents on butt joint openings, and a plurality of movable landfill mechanisms are arranged on one sides of the reciprocating lead screws and used for pushing the treated pipelines to be in butt joint and fixed. The problems that before the drainage pipeline is installed, soil and dust on a pipe opening need to be manually cleaned, and the pipe edge needs to be manually buried and fixed, so that the installation time is wasted are solved.
Owner:ANHUA COUNTY DONGJIAN CONSTR CO LTD

Dust fall device for engineering construction site

The invention relates to the technical field of constructional engineering, in particular to an engineering construction site dust falling device which comprises a mounting base, a spraying mechanism, a water storage tank, a dust removing mechanism and a dust collecting box, the spraying mechanism is connected to the mounting base and used for spraying water to fall dust, and the water storage tank is connected to the dust collecting box. The water storage tank is connected with the spraying mechanism, and the dust removal mechanism is arranged on the side face of the mounting base. By combining two dust falling modes of the spraying mechanism and the dust removal mechanism, dust in air can be reduced through water spraying, suspended particles in the air can be removed through dust collection, the multiple modes have a synergistic effect, the dust falling effect is improved, the air quality of a construction site is ensured, the two modes of water spraying dust falling and dust collection dust removal are combined, and the construction efficiency is improved. The concentration of dust in the air can be reduced through atomized water mist, dust suspended in the environment is further reduced through a dust suction mechanism, consumption of water resources is reduced, and meanwhile a more effective composite dust falling system is formed.
Owner:ANHUI HENGHE CONSTR DEV CO LTD

Engineering construction pile foundation hole digging device

The utility model relates to the technical field of hole digging devices, in particular to an engineering construction pile foundation hole digging device which comprises a top plate, a dust suction hood and a push rod body, supporting columns distributed in a circular array mode are installed on the outer wall of the lower end of the top plate, the dust suction hood is arranged between the supporting columns, a communication groove is formed in the dust suction hood, and the push rod body is arranged in the communication groove. A filter plate is arranged at the lower end in the communicating groove, connecting pieces distributed in a circular array mode are welded to the outer wall of the lower end of the filter plate, connecting columns distributed in a circular array mode are welded to the outer wall of the lower end of the dust suction cover, push rod bodies are arranged on the two sides of the upper end of the inner wall of the communicating groove, and vibrating rods are installed on the outer walls of the lower ends of the push rod bodies; and a connecting disc is installed on the outer wall of the lower end of the vibrating rod, vibrating motors are installed on the two sides of the outer wall of the upper end of the connecting disc, dust and chippings in the communicating groove can be sucked away conveniently, the working environment is kept clean, and raised dust in the hole digging process is collected in a centralized mode.
Owner:HANDAN CHINA COAL GEOLOGICAL GENERAL BUREAU GUANGHUA GEOLOGICAL ENG CO