20 results about "Grain dust" patented technology

The utility model discloses a centrifugal grain dust removal bin which comprises a supporting base, and a centrifugal motor is arranged in the middle of the supporting base. A spindle of the centrifugal motor extends upwards, a centrifugal cover is correspondingly mounted at the shaft end of the spindle and is of a U-shaped structure, a vertical centrifugal plate is arranged at the upper end of the centrifugal cover, an opening is formed in the upper end of the centrifugal cover, and the centrifugal cover is driven by the centrifugal motor to rotate correspondingly. And the materials placed inside generate centrifugal force. The device can realize dust removal and storage of materials by controlling the rotating speed of the centrifugal motor, and the rotating speed of the centrifugal motor is designed to be moderate during dust removal, so that the materials cannot exceed the height of the centrifugal vertical plate; and after centrifugal dust removal is completed, the rotating speed of the centrifugal motor is increased, so that the materials can exceed the height of the centrifugal vertical plate under the action of centrifugal force, the materials enter the material storage area from the material storage gap to be stored, and the structure is ingenious.

This invention discloses a grain dust removal device and method. The device includes a housing, inside which a dust removal unit is installed. The dust removal unit includes a fan assembly, a conveying assembly, and a pipeline assembly. The conveying assembly includes a first guide plate, a second guide plate, and a conveyor belt. A mesh screen is installed on the top of the first and second guide plates, and a first inclined plate is installed at the bottom of the first and second guide plates. A second inclined plate is installed at the end of the conveyor belt. The device utilizes a single airflow to lift and transport sesame seeds and impurities, removing stones from the sesame seeds. After the airflow is diverted and dusted, the wind force decreases, resulting in a smaller "buoyancy," which blows away impurities while leaving the sesame seeds. The device utilizes the different "buoyancy" generated by the decreasing single airflow to achieve dust and impurity removal for the relatively small sesame seeds.

The utility model relates to the field of winnowing machines, and discloses a grain dust removal winnowing machine which comprises a winnowing base, a control table is fixedly installed on the top of the winnowing base, a collecting pool is installed on the top of the winnowing base in a sliding mode, and two supporting frames are fixedly installed on the top of the winnowing base. Two vibration holes are formed in one side of each of the two supporting frames, and sliding blocks are installed in the multiple vibration holes in a sliding mode; and the same vibration tank body is fixedly installed on the inner sides of the two fixing circular rings, a dust discharging hose is installed on one side of the vibration tank body in a clamped mode, and a dust collecting bin is fixedly installed on the top of the winnowing base. Compared with the prior art, the winnowing machine has the following advantages and effects that grains and impurities can be more conveniently and efficiently separated through the arranged mechanism, the inner grains can be more thoroughly winnowed, and the problem that the processing effect is poor due to the fact that lower-layer grains are blocked by upper-layer grains when an existing winnowing machine is used for winnowing is effectively solved.

The utility model discloses a kind of grain dust removal purification devices, it is related to grain dust removal purification technical field, including shell body, recess is opened in the top of shell body, several insertion slots are staggered and opened with equal interval on the side wall of the both sides of shell body, sieve plate is movably inserted in the inside of each insertion slot, several through-holes are opened with equal interval in the top of sieve plate, receiving box is installed in the bottom of sieve plate, the beneficial effect of the utility model is: by being inserted with equal interval in the both sides of shell body Multiple sieve plates arranged staggered are used to screen grain, grain can be filtered and dedusted and impurity in multiple times along the inclined sieve plate in the process of screening, and fan on the outer wall of receiving box below sieve plate can make its dust removal effect improve, in addition, sieve plate is pulled along stroke slot from the inside of insertion slot, and the disassembly and assembly of sieve plate can be completed, so that the disassembly and replacement of sieve plate are more convenient.

The utility model relates to a grain dust pulse cleaning machine which comprises a bag-type dust collector and two sliding rails, the bag-type dust collector is provided with an air inlet pipe used for air inflow, the two sliding rails are oppositely arranged, a supporting frame is arranged on the two sliding rails in a sliding mode, an adsorption mechanism is arranged on the supporting frame, and the adsorption mechanism is arranged on the sliding rails. The adsorption mechanism comprises an adsorption hopper arranged on the supporting frame, a conveying pipeline is arranged on the adsorption hopper, and the conveying pipeline is connected with the air inlet pipe; a traveling part is arranged on the adsorption mechanism, the traveling part is used for driving the supporting frame to move in the length direction of the sliding rail in a reciprocating mode, the sliding rail moving mechanism and the adsorption mechanism can flexibly move in a workshop, and targeted cleaning of dust in different areas is achieved. Through the design, the cleaning efficiency is greatly improved, and the cleaning period is shortened.

The utility model discloses a grain seed horizontal grid type sample divider which comprises a screening hopper, a sample dividing box, a material storage box and a screening groove, the top of the sample dividing box is provided with the screening hopper through a supporting rod, the bottom of the screening hopper is provided with a plurality of material dividing heads, the screening groove is formed in the screening hopper, and the material storage box is arranged in the screening groove. A first-stage sieve plate, a second-stage sieve plate, a third-stage sieve plate, a fourth-stage sieve plate and a fifth-stage sieve plate are arranged at the bottom of the sieve groove, a flow guide groove is formed in the bottom of the sample separation box, and the bottom of the flow guide groove is connected with a plurality of material receiving hoppers at the top of the material storage box. The screening hopper is arranged at the top of the sample separating box through the supporting rod, the feeding hopper is arranged on one side of the top of the screening hopper, the screening groove is formed in the screening hopper, and the screening plates with different hole diameters are arranged at the bottom of the screening groove, so that entering grains can be screened and stored in the screening plates respectively, the process is fully sealed, and the screening efficiency is improved. And air pollution caused by the fact that grain dust floats in air can be avoided.

The invention discloses a grain dust and impurity removal mechanism, and relates to the technical field of grain screening, the grain dust and impurity removal mechanism comprises a conveying pipe, a negative pressure air suction part and a flow guide rectification screening part, the conveying pipe is obliquely arranged and is provided with a feeding port located on the upper portion and a discharging port located on the lower portion, and an impurity output port and an air guide screening port are formed in the side wall face of the conveying pipe; the sundry output port and the air guide screen port are both located between the feeding port and the discharging port, the sundry output port is located at the midstream or downstream position of the air guide screen port, the feeding port, the discharging port, the sundry output port and the air guide screen port are communicated with one another, the negative pressure air suction part is arranged on the conveying pipe, and an air suction port of the negative pressure air suction part is communicated with the sundry output port. The flow guide rectification screening part comprises a flow guide air collection box and a flow guide screening assembly, the flow guide air collection box covers the air guide screening opening, an air guide inlet is formed in the flow guide air collection box, and the flow guide screening assembly is arranged in the flow guide air collection box. The grain dust and impurity removal mechanism is simple in structure and good in screening effect.

The utility model relates to the technical field of dust removal and screening, in particular to a granary dust particle screening device, and aims to solve the problem that the storage quality of grains in a granary is affected due to the fact that dust particles are contained in the granary. Comprising a main pipe and a plurality of branch pipes communicated with the main pipe, the branch pipes are detachably connected with the main pipe through connecting pieces, dust blocking assemblies are arranged at the ends, close to the main pipe, of the branch pipes, and dust collecting boxes are further arranged between the branch pipes and the main pipe and used for separating and collecting impurities of the main pipe and the branch pipes. Air in the granary can be introduced through the main pipe, a large number of dust particles are screened out through the dust removal assembly, the screened air is discharged through the branch pipes, and the content of the dust particles in the granary is reduced to a great extent.

The utility model relates to the field of grain dust removal equipment, and discloses a vibrating dust remover for grain treatment, which comprises a box body, the top of the box body is fixedly connected with a fixed plate, the inside of the fixed plate is connected with filter bags in a penetrating manner, and the outer sides of the top ends of the plurality of filter bags are fixedly connected with fixed rings; the bottoms of the multiple fixing rings are arranged on the top wall of the fixing plate, and mounting plates are arranged on the outer sides of the middles of the multiple filter bags. Through the arrangement of the filter bag, the bidirectional motor, the rotating rod and the eccentric wheel, the problems that the air permeability of the filter bag is reduced, and the normal operation of the dust remover is seriously influenced can be solved, the top end of the filter bag is fixed by the fixing ring, and the bottom of the fixing ring is arranged on the top wall of the fixing plate; therefore, the dust removal efficiency is effectively improved, the service life of the bag is prolonged, the uniformity of airflow is improved, the more uniform filtering effect is ensured, and the local overload phenomenon is reduced.

The invention relates to the technical field of winnowing machines, and discloses a grain dust removal winnowing machine which comprises a shell, a transmission motor and a cyclone dust remover, the back face of the shell is communicated with a discharging pipe, the top of the shell is communicated with a feeding nozzle, an air blowing cylinder is installed in the shell, an air blowing system is arranged in the air blowing cylinder, and a secondary winnowing opening and a primary winnowing opening are formed in the air blowing cylinder; the primary winnowing opening is formed in the right bottom of the air blowing barrel, the air outlet direction of the primary winnowing opening is vertically downward, a rotary barrel is rotationally installed on the air blowing barrel, a set of regularly-distributed winnowing cavities are formed in the rotary barrel, openings are formed in the top faces and the side faces of the winnowing cavities, ventilation holes are evenly distributed in the winnowing cavities, and a conveying shaft is rotationally installed in each winnowing cavity. And a spiral conveying blade is fixedly mounted on the conveying shaft. According to the grain dust removal device, dust and other impurities in grains can be effectively separated out, the problem that in the prior art, dust removal of the grains is not thorough is solved, the cleanliness of the grains is improved, and high-quality raw materials are provided for subsequent links such as grain processing.

The utility model discloses a multi-linkage grain dust remover which comprises a vehicle-mounted platform, a vibrating screen, a winnowing box, a settling box, a dust removing box and a conveying belt, according to the grain screening and impurity removing device, grains enter the vibrating screen through the feeding hopper, large impurities are discharged through the large impurity discharging pipe, heavy impurities are discharged through the heavy impurity discharging pipe, light impurities are discharged through the light impurity discharging pipe, and the rest of dust is discharged through the dust discharging hopper after being filtered and precipitated in the dust removing box, so that screening and impurity removing of the grains are completed. By means of a totally-closed multi-linkage dust removal structure, the impurity rate in grains can be reduced to 0.5% from 10%, the processing standard is met, meanwhile, the working environment is protected, and dust pollution and fire hazards are avoided; in addition, a plurality of filter bags are arranged in the dust removal box, high-pressure gas is blown back into the filter bags from the high-pressure gas blowing holes of the blowing pipes for efficient dust removal, and the dust removal efficiency is improved.

The utility model provides a gravity grading stoning machine with a dust removal function, which comprises a base, a grading stoning machine body, a feed hopper, an air suction barrel, an air guide main pipe, a dust removal box, a first dust removal filter cartridge, a second dust removal filter cartridge, a first air guide branch pipe, a second air guide branch pipe, a first control valve, a second control valve, an air suction pipe, a first blanking pipe and a second blanking pipe, and a third control valve and a fourth control valve. According to the gravity grading stoning machine with the dust removal function, the basic function of removing dust and stones in grains can be achieved, after a user collects enough dust in the dust removal structure, the dust removal structure and the stoning machine body do not need to stop working, and the working efficiency is improved. And dust collected in the dust removal structure can be conveniently cleaned, so that the dust removal structure and the stoning machine can continuously work all the time, and the overall processing efficiency of dust removal and stoning treatment on grains is prevented from being influenced.

This utility model discloses a dustproof and explosion-proof air conditioner specifically for grain silos, relating to the field of air conditioning technology. The utility model includes an explosion-proof component, an air conditioner body, and a dustproof component, with the explosion-proof component fitted onto the surface of the air conditioner body. The coarse filter at the air inlet intercepts large grain dust particles, while the HEPA filter adhered to its surface further adsorbs fine dust, forming a double filtration barrier. This prevents dust from entering the air conditioner body and clogging the heat sink or fan, ensuring stable heat exchange efficiency. A cleaning brush, driven by a screw, moves reciprocally on a slide rail, working in conjunction with a dust-collecting fan to remove accumulated dust from the filter surface in real time. This eliminates the need for manual disassembly and cleaning, reducing maintenance frequency. This automated dustproof design effectively solves the problems of decreased operating efficiency and increased energy consumption caused by dust accumulation in traditional air conditioners, extending equipment lifespan, reducing maintenance costs of grain silo temperature control systems, and providing a continuous and reliable environmental guarantee for grain storage.

The present application relates to energy-saving kiln technical field, disclose a kind of cement kiln with waste heat recovery function and its waste heat recovery method, including cyclone dust collector and waste heat boiler, cyclone dust collector gas end and waste heat boiler intake end are connected by gas pipe, the discharge port of cyclone dust collector bottom end is fixed with heat insulation pipe, heat insulation pipe is used to store dust, heat insulation pipe bottom end is equipped with unloader, and water inlet pipe is installed on waste heat boiler water inlet end.The present application can absorb the heat in coarse grain dust by setting heat insulation pipe at the bottom end of cyclone dust collector and passing the water inlet pipe of waste heat boiler through heat insulation pipe, realize the preheating of water inlet, and further improve the evaporation efficiency of water flow, improve energy utilization, with higher energy-saving effect, and by setting dust removal assembly inside waste heat boiler, by controlling the activity of hollow rod, the accumulated dust can be automatically removed online, improve the heat conduction efficiency of heat collecting pipe, so that the water flow heating efficiency is higher, further improve the energy-saving effect.

The utility model provides a grain dust removal device for grain processing, which comprises a dust removal bin, a hopper is arranged at the top end of the dust removal bin, a dust suction mechanism is arranged on the dust removal bin, two partition plates are arranged in the dust removal bin at intervals to divide the dust removal bin into three separation cavities, a material receiving plate is arranged below the hopper, and a dust collection mechanism is arranged on the dust collection mechanism. An air blower is arranged on the side, close to the hopper, of the dust removal bin, the output end of the air blower is connected with an air conveying pipeline extending into the dust removal bin, grains falling from the hopper are blown to the dust suction mechanism, and dust removal treatment is conducted on the grains through the dust suction mechanism. According to the grain dust removal device for grain processing, grains are blown through the air blower, so that the grains fall in a parabola mode, dust and the grains are different in mass, the dust floats in the air and is collected by the dust suction mechanism, and therefore dust generated by the grains and floating in the air are reduced while dust removal is conducted.

The utility model discloses a dust removal device of a grain drying tower, which comprises the grain drying tower and a grain dust remover, a lifting machine is arranged on one side of the grain drying tower, a feed hopper is arranged at the bottom end of the lifting machine, the grain dust remover is arranged on one side below the lifting machine, and the feed hopper is arranged on the other side below the lifting machine. A grain dust removal barrel is arranged in the middle of the interior of the grain dust remover, material uniformizing plates are arranged on the two sides of the interior of the grain dust removal barrel, an upper supporting plate is arranged at the top end of the grain dust removal barrel, a concentrated material buffering groove is formed in the upper portion of the upper supporting plate, and a feeding port is formed in the top of the concentrated material buffering groove. According to the grain drying tower, the grain dust remover is additionally arranged between the screening mechanism and the lifting machine, so that the grain drying tower has a dust removal function, the concentrated material buffering groove is formed in the top end of the interior of the grain dust remover, a groove opening for downwards conveying grains can be narrowed through the concentrated material buffering groove, a large amount of grains are prevented from being accumulated in the grain dust remover, and the grains are downwards conveyed at a constant speed; and dust removal treatment is easier.

The invention relates to the technical field of energy-saving kilns, and discloses a cement kiln with a waste heat recovery function and a waste heat recovery method thereof.The cement kiln comprises a cyclone dust collector and a waste heat boiler, the air outlet end of the cyclone dust collector is connected with the air inlet end of the waste heat boiler through an air pipe, and a heat insulation pipe is fixed to a discharging opening in the bottom end of the cyclone dust collector; the heat insulation pipe is used for storing dust, a discharger is installed at the bottom end of the heat insulation pipe, and a water inlet pipe is installed at the waste heat boiler water inlet end. The heat insulation pipe is arranged at the bottom end of the cyclone dust collector, and the water inlet pipe of the waste heat boiler penetrates through the heat insulation pipe, so that heat in coarse-grain dust can be absorbed, inlet water is preheated, the subsequent evaporation efficiency of water flow is improved, the energy utilization rate is increased, and a higher energy-saving effect is achieved; and the dust removal assembly is arranged in the waste heat boiler, accumulated dust can be automatically removed on line by controlling movement of the hollow rod, the heat conduction efficiency of the heat collection pipe is improved, the water flow heating efficiency is higher, and the energy-saving effect is further improved.

The utility model relates to the technical field of grain processing, and particularly discloses a grain dust removal device which comprises a rolling pipe, a plurality of dust removal holes are formed in the rolling pipe in a penetrating manner; a spiral auger is fixedly connected to the inner surface of the rolling pipe; the rolling pipe is symmetrically sleeved with heightening rings; a tooth groove is formed in the heightening ring; a driving wheel is in engaged transmission connection with the tooth groove; a motor is fixedly connected to the driving wheel; the heightening ring is sleeved with a fixing pipe; a motor is powered on and operates to drive a driving wheel, the driving wheel drives an elevating ring and a rolling pipe to rotate, then grains are poured into the rolling pipe from one end of the rolling pipe, gradually advance in a spiral auger under rotation of the rolling pipe and fall off through dust removal holes in the advancing process to achieve dust removal, then air pressure difference is generated in an air dust removal unit, and dust removal is achieved. The falling dust is taken away and filtered and then is discharged out of the air, so that the dust cannot be diffused into the air to pollute other objects and the breathing health of operators.

The utility model relates to the technical field of grain dust removal, and discloses a grain dust removal device with a dust shaking function, which comprises a rack and a grain lifting frame, a connecting structure is arranged between the rack and the grain lifting frame, the grain lifting frame is driven by the connecting structure to swing, lift and rotate, and a charging barrel and a dust shaking component are respectively mounted on the grain lifting frame. The dust shaking assembly is in transmission connection with a dust shaking frame capable of moving up and down in a reciprocating mode and a rotatable conveying shaft, the conveying shaft is rotationally connected with the dust shaking frame, the bottom end of the charging barrel rotationally communicates with a dust removal barrel, spiral stirring blades are installed at the bottom of the dust removal barrel, and the dust removal barrel is driven by the dust shaking assembly. Through the arrangement of the dust shaking assembly, after the servo motor outputs the rotating speed, the dust shaking frame can shake in a reciprocating mode within the set stroke, after the dust shaking frame rotates, the spiral auger is driven to shake up and down, and through vertical shaking of the spiral auger, dust in grains to be dedusted can be rapidly shaken out.

The invention belongs to the field of grain processing equipment, and particularly relates to a grain dust removal device which comprises a box body, an air inlet is formed in one side of the box body, a dust hopper is arranged on the lower side of the box body, an air purification chamber is arranged at the top in the box body, and an air outlet is formed in the top of the air purification chamber, and the grain dust removal device is characterized in that a plurality of dust filter bags are arranged on the lower side of the air purification chamber in the box body; the inner space of the dust filtering bag is communicated with the air purifying chamber at the top; supporting frames for fixing the dust filtering bag are arranged on the upper side and the lower side of the dust filtering bag; a plurality of supporting columns are evenly distributed on the supporting frame in the circumferential direction and attached to the inner wall of the dust filtering bag. The initial unpressed diameter of the dust filtering bag is greater than the diameter of the circumcircle of the supporting frame; a dust baffle is arranged at the position, opposite to the air inlet, of the box body; the box body is provided with at least one stage of guide plate between the air inlet and the dust baffle; a pulse pump is arranged on one side of the box body; the pulse pump is provided with a plurality of blowing pipes which extend into the air purifying chamber and is provided with a plurality of blowing openings which are opposite to the dust filtering bags.