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180 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

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

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

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

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

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

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

Dust suppression excavation device for building construction

The invention relates to the technical field of earthwork excavation, and discloses a dust suppression earthwork excavation device for building construction, which comprises an excavator body and an excavator arm arranged on the excavator body, and the end, far away from the excavator body, of the excavator arm is rotatably provided with an excavator bucket through a rotating shaft; a plurality of supporting pipes are symmetrically arranged at the end, close to the excavator bucket, of the excavator arm, atomizing nozzles are arranged at the ends of the supporting pipes, and a plurality of liquid pumping assemblies matched with the supporting pipes are arranged on the excavator body. According to the dust suppression excavation device for building construction, through extension of an electric push rod, a linkage ring can be driven to slide, an ejector rod is pulled, a supporting pipe is made to rotate, and therefore the angle of an atomization spray head is adjusted, the atomization range can be adjusted according to actual working conditions through the design, and compared with a spray head with a fixed angle, the dust suppression excavation device can better adapt to the complex construction environment; the dust suppression efficiency is improved, dust drifting in the air is reduced, the air quality of a construction site is improved, and the environment and the health of workers are protected.
Owner:HENAN BAINIAN URBAN CONSTR ENG CO LTD

Rainwater collecting system of mixing station

The utility model relates to the technical field of auxiliary equipment of a mixing station, in particular to a rainwater collection system of the mixing station, which comprises a main recovery system, an auxiliary storage system and a mixing assembly, the upper ends of the first vertical rods are fixedly connected with the four ends of the lower side of the first canvas collecting water bucket, a first upper transverse rod is arranged between every two adjacent first vertical rods, the two ends of each first upper transverse rod are fixedly connected with the upper portions of the first vertical rods through first fixing blocks, and first lower transverse rods are arranged at the lower ends of the first vertical rods. Rainwater collected by the first canvas collecting water bucket and the second canvas collecting water bucket is filtered, and when the first filtering valve and the filtering shunt valve are blocked by dust and sand, the first filtering valve and the filtering shunt valve can be screwed off to be cleaned and then installed back to continue to filter and collect the rainwater. Therefore, the influence on collection and storage of rainwater due to incapability of cleaning the blocking substances is avoided.
Owner:JINAN TONGDA HIGHWAY ENG CO LTD

Exploration line cable take-up and pay-off equipment convenient for self-cleaning

The utility model discloses exploration line cable take-up and pay-off equipment convenient for self-cleaning, which relates to the technical field of geophysics, and comprises a base, the two sides of the base are respectively and fixedly connected with a first rotating frame, a rotating roller is erected in the middle of the first rotating frame, and the rotating roller is fixedly connected with the output end of a first rotating motor; the middle of the rotating roller is fixedly connected with a winder used for winding a cable, the front end of the first rotating frame is fixedly connected with a fixing frame, the front end of the fixing frame is fixedly connected with a cleaning device used for cleaning dust on the surface of the cable, and by arranging a spring, power is provided through the spring, and resistance borne by a cleaning ring when the cleaning ring scrapes the dust on the surface of the cable is relieved; the spring provides supporting force within a certain range for the cleaning ring, when the resistance borne by the cleaning ring exceeds the supporting force, the cable is blocked at the take-up barrel, and a take-up worker can check the state of the surface of the cable in time according to the winding condition, so that the loss caused by forced cleaning of the cable is avoided, and the difficulty caused by the fact that the cable condition is not clear after winding is avoided.
Owner:Geothermal Energy Science and Technology (Dali) Research Institute

Dust removal device for coal mine safety production

The utility model relates to the technical field of roadway dust removal, and discloses a dust removal device for coal mine safety production, which comprises a filter box, an air exhaust mechanism, a collection box, a bottom plate, a fine filter screen, a cleaning mechanism and an exhaust pipe box control panel. The dust removal device is simple in structure and high in creativity, dust in an area is efficiently removed by conducting multi-layer screening and settling on sucked dust, meanwhile, the cleaning assembly is arranged to clean the filter screen in the device, the service life of the device can be prolonged, manual cleaning of the filter screen can be avoided, and time and labor are saved.
Owner:SHANXI XINYUAN COAL CO LTD

Building construction dust removal device

The utility model discloses a building construction dust removal device which comprises a base, a dust removal device body is arranged on the upper surface of the base, the suction end of the dust removal device body is connected with a conveying pipe, a lifting mechanism is arranged on the base, the conveying pipe is a hose, the conveying pipe is connected with the lifting mechanism, and the lifting mechanism is connected with the dust removal device body. The lifting mechanism is used for driving the end, away from the dust removal device body, of the conveying pipe to do lifting motion. The height of the input end of the conveying pipe is adjusted through the lifting mechanism, the input end of the conveying pipe is made to be close to the dust raising position of the construction equipment, then the dust removal device body is started, the dust removal device body sucks dust into the dust removal device body and filters the dust, the dust removal effect is achieved, dust is removed at the dust generation position, and the dust diffusion range is effectively restrained.
Owner:JIANGSU CAPITAL ECOLOGICAL ENVIRONMENT CO LTD

Mushroom bran washing and impurity removing device

The invention discloses a mushroom bran washing and impurity removing device, relates to the field of agriculture, and aims to solve the problem that dust on the surface of mushroom bran is difficult to remove at present. A discharging opening in the bottom of the discharging groove is communicated with a feeding opening of the inclined groove, and a discharging opening of the inclined groove is communicated with a feeding opening in the upper end of the sedimentation tank; and a plurality of grids are arranged at the bottom of the chute side by side. According to the device, surface impurities are removed through the scouring force of water flow, mushroom residues are deeply cleaned through the dissolution effect, and the dual impurity removal effect is achieved.
Owner:ENERGY & ENVIRONMENT RES INST OF HEILONGJIANG PROVINCE

A dust separation and filtration device for a high-powered dust collection system in offshore oil fields

This invention belongs to the field of environmental engineering, and particularly relates to a dust separation and filtration device for a high-powered dust collection system in offshore oil fields. It includes a trolley, a handle, a blower, a mounting shell, a protective shell, and an air inlet. The handle is fixed to the upper side of the trolley, the blower is mounted on the lower side of the trolley, the mounting shell is mounted on the upper side of the trolley and located below and in front of the handle, the protective shell is mounted on the mounting shell, and the air inlet is mounted on the inner bottom side of the mounting shell. By using the air blowing component to target any filter screen on the left side, most of the impurities attached to the filter screen can be quickly loosened and dispersed, achieving initial removal of accumulated impurities. Simultaneously, the cleaning component further functions, accurately scraping away small particulate impurities remaining on the right side of the filter screen, deeply cleaning any stubborn impurities that may be left behind during air blowing, ensuring the cleanliness of the filter screen, restoring its good filtration performance, and thus extending the service life of the filter screen.
Owner:CNOOC TIANJIN BRANCH

Dust collector (blower)

ActiveCN309694996SForeign matterDust control
1. Name of the designed product: dust collector (blowing and sucking). 2. Use of the designed product: for processing dust, dirt, hair and similar foreign matters. 3. Design points of the designed product: in the front view. 4. Picture or photo best indicating the design points: front view.
Owner:苏州市勤基电子科技有限公司

Grain processed product production method for synergistically removing aflatoxin B1 and heavy metals lead and cadmium

The invention belongs to the technical field of grain processing, and particularly relates to a production method capable of synergistically removing aflatoxin B1 and heavy metal lead and cadmium in grain processed products such as corn and rice. The method comprises the following specific steps: (1) carrying out primary treatment on grain processed products such as corn or rice, and screening and removing impurities such as dust, stones and gravels when necessary; (2) preparing alkaline water, and stirring the corn or rice in a stirring tank; the stirred alkaline water can be reused after being filtered and detoxified; (3) washing the corn or rice treated by the alkaline water with clear water, draining, and crushing into particles or powder; (4) preparing acid water, and stirring and cleaning in a stirring tank; the stirred acid water can be reused after being filtered and clarified; (5) washing with clear water after pickling, and draining; and (6) irradiating by using ultraviolet rays and microwaves or independently using microwaves, and packaging to obtain a finished product.
Owner:SHANDONG INST FOR FOOD & DRUG CONTROL

Bucket type blast hole backfilling device

The utility model discloses a bucket type blast hole backfilling device, which relates to the technical field of blast hole backfilling devices, and comprises a working table, a revolving platform, a control frame, an image detector and a bucket mechanism, the revolving platform is rotatably arranged above the working table, and the surface of the revolving platform is fixedly connected with the bottom of the control frame; one side of the control frame extends to form an image detector, and a bucket mechanism is installed below the image detector. When the bucket type blast hole backfilling equipment works, dust can be identified through the image detector, the dust is positioned and sent to the control mechanism through the sensor, and the position and the angle of the bucket mechanism can be flexibly adjusted according to the distribution condition of the dust; according to the bucket mechanism, accumulated dust is loaded through the arrangement of the rotating platform and the hydraulic oil cylinders, transferring and transporting of materials are achieved, the dust transferring efficiency is greatly improved, blast holes can be backfilled rapidly and effectively, and the construction period can be shortened.
Owner:福建省新华都工程有限责任公司