WO2019091334A1 - Tamis giratoire plan à courroies à mailles doté d'un tamis à courroie à mailles pour grandes et moyennes impuretés supérieur et procédé d'élimination d'impuretés de grains associé - Google Patents
Tamis giratoire plan à courroies à mailles doté d'un tamis à courroie à mailles pour grandes et moyennes impuretés supérieur et procédé d'élimination d'impuretés de grains associé Download PDFInfo
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- WO2019091334A1 WO2019091334A1 PCT/CN2018/113572 CN2018113572W WO2019091334A1 WO 2019091334 A1 WO2019091334 A1 WO 2019091334A1 CN 2018113572 W CN2018113572 W CN 2018113572W WO 2019091334 A1 WO2019091334 A1 WO 2019091334A1
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- screen
- mesh belt
- mesh
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- small
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/36—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/10—Screens in the form of endless moving bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Definitions
- the invention relates to a large-scale grain cleaning and cleaning device, in particular to an ultra-large grain cleaning and impurity removing device for removing large, medium and small impurities with an processing capacity of 100-500 tons per hour.
- the traditional equipment for handling large miscellaneous materials is mainly mesh belt screen and drum screen.
- the output of mesh belt screen is generally 100-500t/h, and the drum screen is 50. -150t/h, the equipment for processing small and medium miscellaneous is mainly vibrating screen and rotary screen.
- the output is generally 10-50t/h, and the medium and small miscellaneous screen with the processing capacity above 50t/h is regarded as an advanced large-scale equipment.
- the energy consumption for processing 200 tons of raw grain needs 23kW or more. If you add a hoist, the energy consumption is higher. If you process more than 200 tons of raw grain per hour, you will need more complicated configuration and higher energy consumption.
- the equipment also needs to be connected with accessories such as splitter and the cost is higher. After the grain harvest comes back, because it can't be put into the warehouse in time, the insects eat, rat, bird, and mold, and lose more than 10% of the harvested grain, solving the initial processing speed of grain is an urgent problem to be solved in the development of the country and the grain industry.
- the traditional cleaning of large mesh belts is composed of a feeding hopper, a mesh belt conveying mechanism, a cleaning mechanism and a transmission system. It mainly removes large debris such as straw heads, long straws, bricks, and clods. After the harvest containing the grain naturally falls to the sieve surface, since the grain size of the grain is much smaller than the sieve hole, it falls through the sieve hole and flows to the grain discharge port; and if the particle size or length of the large impurity is larger than the sieve hole, it cannot or cannot pass through the sieve hole. On the screen surface, large impurities are transported to the impurity discharge port along with the advancement of the conveyor belt, thereby separating small particle size harvests such as grain and large impurities.
- the lower layer is also very susceptible to clogging in the secondary screening.
- the mesh belt screens are intermittent work, which is used for cleaning up large impurities. It is not suitable for cleaning and mixing. Because the mesh is smaller and more likely to be blocked, it is not used in the industry for cleaning and cleaning.
- the traditional cleaning sieve output is generally 30-50 tons / hour, the output of 100 tons / hour of flat cleaning screen only a few manufacturers can produce.
- the traditional cleaning screen surface is relatively fixed with the screen box, and only the flat back movement is carried out. Some small or broken raw grain is easily stuck in the sieve hole after work, causing the screen surface to be blocked and unable to be cleaned by itself.
- the screen cleaning mechanism is not Ideally, the worker must clean the sieve surface once a day to clear the sieve hole, which is time consuming and laborious, otherwise it will affect the screening effect.
- the object of the present invention is to provide a mesh belt flat return screen with strong processing capacity, large processing capacity, low construction height, low construction cost, self-clearing and method for removing impurities.
- the utility model relates to a mesh belt flat screen which is sieved on a large medium and medium mesh belt, and the composition comprises a mesh belt flat return screen, the composition comprising: a sieve frame, wherein the sieve frame is connected to the sieve box by a boom or a rocker or a pendulum rod
- the sieve box is provided with a set of small miscellaneous mesh belt sieves and large and medium miscellaneous mesh belt screens, and the small miscellaneous mesh belt screen and the large medium miscellaneous mesh belt screen are provided with a flat return mechanism, the small miscellaneous a meshing slide having an inclined surface below the screen surface of the mesh belt screen, the large medium mesh screen and/or the small mesh screen having a rib, and the lower part of the large medium mesh screen is equipped with a lower portion
- the food guiding mechanism, the large and medium mesh screen and the small mesh screen are connected to the driving mechanism.
- the large medium mesh screen is screened on the upper mesh belt, and the rib is a polymer barrier plate fixed on both sides of the mesh belt, and the polymer barrier is s-shaped or zigzag-shaped elastic With or a set of butted baffles or a set of staggered baffles.
- the large medium mesh screen is screened on the upper mesh belt, and the food guiding mechanism is an inclined grain guiding plate or a belt conveyor, and the large and medium mesh belt is arranged under the sieve surface.
- a roller is arranged under the roller and/or the small mesh screen, and the turning mechanism has a radius of gyration of 4-11 mm, and the rotating frequency is 300-450 rpm.
- the large medium mesh screen is screened on the upper mesh belt, and the large medium mesh screen comprises a set of metal screens arranged in sequence or wire braided or stamped into a ring.
- the mesh belt screen surface, the sieve angle of the large medium mesh screen is 0-4 degrees, and the sieve hole of the large medium mesh screen is larger than 1.5 times of the grain size, the small mesh
- the screen comprises a set of metal screens arranged in sequence or a wire braided or stamped endless belt, the small mesh screen comprising a composite screen surface, the screen angle of the small mesh screen At 0-5 degrees, the mesh of the small mesh screen is less than 0.8 times the grain size.
- the large medium mesh screen is screened on the upper mesh belt, and the endless conveyor belt is sleeved on the rollers at both ends, the roller has a blocking edge, and the roller on one side connects the driving The mechanism, the working surface of the roller and/or the roller has a glue.
- the large medium mesh screen is screened on the upper mesh belt, and the large medium mesh screen is provided with a conveying plate, and the conveying plate is a set of parallel guiding inclined plates or two
- the discharge swash plate of the side discharge is provided with a large impurity output mechanism in the outlet direction of the large and medium mesh screen of the lower layer when the swash plate is used.
- the large medium mesh screen is sieved on the upper mesh belt, and the small mesh belt sieve is a group, and the second small mesh belt is sieved from the bottom to the top, the
- the small mesh screen is equipped with a slanted and outgoing slippery slide, and the detached slide is inclined along the mesh belt or inclined to both sides of the mesh belt to form an inverted v-shaped structure, and the hybrid skateboard inclined along the mesh belt is
- the v-shaped structure has a spiral discharge mechanism at the bottom, and the small mesh belt screen and/or the large medium mesh screen is equipped with a cleaning roller or a cleaning brush.
- the large medium mesh screen is screened on the upper mesh belt, and the small mesh belt sieve is a group, which is a large grain grain mesh sieve, a small grain grain mesh sieve, and the guide
- the bottom of the swash plate has a reversing plate, and the deflecting plate is used to perform selective diversion.
- the utility model relates to a method for removing grain by using a mesh belt flat screen on the upper and middle mesh belt screen, and a driving mechanism for driving the belt belt to operate in a circular motion and a flat returning mechanism for the flat movement of the screen box to form a flat return
- the compound movement mode of movement and net belt straight movement, the mixture including grain after threshing is put into the sieve of the large and medium mesh belt, spirally advanced under the rules of the ribs on both sides, and goes straight through the mesh belt.
- the bumps of the peace and back movement, the screening of the large particles and debris, into the collection bin, the grain and small grains under the sieve through the grain guide into the small miscellaneous mesh screen, the bumps and peace back through the net belt straight process The rolling, sifting dust, dust, straw, fines and other small impurities, the grain as a sieve residue into the granary.
- the large and medium mesh screen is screened on the upper mesh belt to carry out the method of grain removal, and the grain guide plate removes the large amount of grain and selectively guides the sieve surface of different size sieve holes.
- the large and medium mesh belt screen of the invention has high output in the upper mesh belt back screen, and the same floor space, the single layer height processing rice single unit output can reach 50-300 tons per hour, and can be customized according to customers. Need to customize 2000 tons of extra large screen.
- the screen surface of the present invention performs linear motion, and the screen box performs a flat motion to form a compound motion mode.
- the composite motion enables the screen surface to have a self-cleaning function.
- the screen surface moves to the drum and the screen surface is curved, The blockage in the sieve hole will be pulled out or loosened under the action of the flat back movement.
- the screen surface moves downward, the material on the sieve surface will fall due to gravity and peaceful return, thereby achieving the effect of cleaning the screen surface. Can greatly save labor.
- the idler roller is arranged under the sieve surface of the invention to prevent the sieve surface from sinking and deforming.
- the traditional cleaning screen needs to be equipped with two types of screens to deal with large and medium and small impurities. It requires several floors of work towers, and there are many suction points. It is necessary to configure multiple pulse dust collectors. The configuration is cumbersome and the hoist is high. Above 30 meters, the energy consumption required for equipment operation is high, so the overall cost is high.
- the cleaning screen of the invention can remove large impurities and remove small and medium impurities, and a cleaning screen can replace the traditional multiple cleaning screen combination, and does not require a high working tower, which reduces the height of the grain lifting and simplifies the configuration. It saves energy and reduces costs.
- the lower part of the large and medium mesh belt screen of the invention is provided with a guide grain plate or a belt conveyor, so that the undersize material and the grain can be entered from one end of the small miscellaneous sieve, and the whole process is sieved, so that the small miscellaneous can be more fully and sieved for a longer distance. Improve the sieving effect.
- the large and medium mesh belt screen of the invention is provided with a conveying plate, wherein the conveying plate is a set of parallel guiding swash plates, which can effectively lengthen the length of the sifting and improve the screening quality, and is located when the swash plate is used.
- the large-medium mesh belt screen of the lower layer is provided with a large impurity output mechanism in the outlet direction. According to the situation of sieving different plant straws, it is sometimes possible to use a discharge swash plate which discharges to both sides to prevent clogging in the secondary screening process.
- the screen surface of the mesh belt screen of the present invention has various forms, which may be formed by sequentially arranging metal sieve sheets, or formed by braiding of wires, or stamping. If a sieve piece hinged at one end is used, when running to the lower layer, Open the sieve surface so that the sieve material can be discharged smoothly, avoiding internal blockage. Different types of sieve surface can be used for different types of raw grain screening requirements.
- the mesh belt screen of the invention combines a circular motion during travel to form a spiral track of grain, which significantly improves the screening effect. It cannot be ignored that in the flat back movement, the grain will inevitably roll to both sides, in order to In order to avoid the mixing of the sieve residue, the large medium mesh screen and/or the small mesh screen have a rib, and the screen surface of the invention adopts an s-shaped rib or a zigzag rib, and the rib is adopted.
- the polymer barrier plate has elasticity in the length direction - that is, ductility, and can adapt to the linear or curved movement of the screen surface: it can effectively block the grain from scattering outside the screen surface during the plane movement, and expand the screen around the center when bending Turn the surface over the roller.
- the ribs may also be discontinuous.
- the present invention provides cross-section or overlapping ribs.
- the upper portions of the ribs can be separated and unfolded from each other, so that the plane sieving movement can be realized.
- the effect of blocking and circumferentially expanding when turning makes the ribs smoothly rotate through the drum with the screen surface.
- the large and medium mesh screens are equipped with rollers and/or small mesh screens under the screen surface. The distance between the rollers and the rollers is generally between 0.3 and 0.8 meters.
- the screen angle of the large medium mesh screen is 0-4 degrees, and the sieve hole of the large medium mesh screen is more than 1.5 times the grain size;
- the screen angle of the mesh screen is 0-5 degrees, and the sieve hole of the small mesh belt sieve is smaller than 0.8 times of the grain size, so that the grain screening effect is the best.
- the small mesh belt screen of the invention comprises a composite screen surface, comprising a rigid skeleton screen surface of a spiral steel wire and a dense mesh screen surface, or a small mixed sieve surface reinforced by a polymer strip to ensure that the screen surface is in a dense mesh state.
- a composite screen surface comprising a rigid skeleton screen surface of a spiral steel wire and a dense mesh screen surface, or a small mixed sieve surface reinforced by a polymer strip to ensure that the screen surface is in a dense mesh state.
- the endless conveyor belt of the present invention is sleeved on the rollers at both ends to form a belt transmission structure, and the drum has a blocking edge, which can effectively overcome the deviation and drift phenomenon of the conveyor belt, and the roller and/or the idler roller There is glue on the work surface to increase friction.
- a plurality of working sieves can be formed into a group of small mesh belt screens, which are arranged in the same screen box on the upper and lower sides, in order to avoid the mixed materials with the lower layer in order to clean the undersize materials, wherein the bottom is from the bottom to the second small
- the small mesh belt screen of the miscellaneous mesh belt is provided with a slanted out-draft slide plate, and the splayed slide plate may be: a. a set of parallel plates inclined along the mesh belt; or b. 2 oppositely inclined
- the v-shaped structure, the slanting slide plate inclined along the mesh belt is a v-shaped structure, and the bottom has a spiral discharge mechanism; c.
- the small mesh screen and/or the large and medium mesh screen are equipped with a cleaning roller or Clean the brush.
- the traditional grain removal machine can only use a kind of equipment for different kinds of mesh, such as cleaning up the impurities of the corn harvest and cleaning up the impurities of the rice harvest.
- the small mesh belt screen of the present invention is respectively provided with a large grain grain mesh screen, a small grain grain mesh screen, and a hinge at the bottom of the deflecting swash plate.
- the redirection plate is manually diverted to the direction of the reversing plate for selective diversion, and enters a small miscellaneous mesh belt screen of different size sieve holes, and one device completes the process of removing various miscellaneous grains.
- the driving mechanism of the driving belt with the ring running and the flat returning mechanism of the screen box moving back are started, and a compound movement mode of the flat back movement and the straight movement of the mesh belt is formed, and the mixture including the grain after the threshing is put into the mixture.
- the large and medium mesh screen through the rolling of the net belt in the process of bumping and peaceful returning, the large particles of debris are screened and introduced into the collection bin.
- the grain and small miscellaneous grains under the sieve pass through the grain guide to enter the small miscellaneous In the mesh belt screen, the rolling of the bumps and the flat back movement during the straight process of the mesh belt, the small impurities such as dust, dust and straw fines are screened, and the grain is used as the sieve residue to enter the granary.
- Figure 1 is a schematic view of the structure of the product (with a grain guide).
- Figure 2 is a left side view of Figure 1 (2 small miscellaneous screens).
- Figure 3 is a schematic view of the structure of the screen box of the product (the parallel conveyor plate is installed in the large medium mesh screen).
- Figure 4 is a schematic view showing the structure of the screen box of the product (the inverted medium-shaped belt plate is provided with an inverted v-shaped conveying plate).
- Figure 5 is a left side view of Figure 4 (an inverted v-shaped conveyor plate is mounted in the large medium mesh screen).
- Figure 6 is a schematic view of the structure of the screen box of the product (screw conveyor or small mesh screen as a conveying plate).
- Figure 7 is a schematic view of the structure of the screen box of the product (2 small miscellaneous sieves, the inlet of the small miscellaneous sieve has a redirection plate 13).
- Figure 8 is a schematic view of the structure of the screen box of the product (two small miscellaneous screens, the small miscellaneous screen has a splinter slide, and the inlet of the small miscellaneous screen has an inlet distribution device 19).
- Figure 9 is a left side view of Figure 8 (the split skateboard is an inverted v-shaped structure).
- Figure 10 is a top plan view of the hybrid skateboard in an inverted v-shaped configuration with a staggered spiral in the middle.
- Figure 11 is a schematic view of a small mesh belt screen structure with a rib (removal drive mechanism. Power input shaft 21).
- Figure 12 is a schematic view of a small mesh belt screen structure of a composite screen surface (the circular portion in the middle removes the small mixed screen surface).
- Figure 13 is a schematic view of a large and medium mesh belt screen structure with a rib (removal drive mechanism, power input shaft 21).
- Figure 14 is a left side view of Figure 13.
- Figure 15 is a schematic view of a small mesh belt screen structure (without coupling and drive).
- Figure 16 is a schematic view of a large and medium mesh belt screen structure (without coupling and drive).
- Figure 17 is a schematic view showing the structure of the flat return mechanism (the heavy wheel 22).
- Figure 18 is a schematic view showing the structure of the s skirt.
- Figure 19 is a plan view of Figure 18.
- Figure 20 is a schematic view showing the structure of a butted baffle.
- Figure 21 is a plan view of Figure 20.
- Figure 22 is a schematic view showing the structure of a staggered baffle.
- Figure 23 is a plan view of Figure 22.
- Figure 24 is a schematic view showing the structure of a staggered baffle.
- Figure 25 is a plan view of Figure 24.
- Figure 26 is a schematic view showing the structure of an inlet distribution device. (24 is the grain entrance, 25 is the hopper of the inlet distribution device).
- the mesh belt is screened on the upper mesh belt, and the composition comprises: a sieve frame 1 in which the sieve box 2 is suspended by a rocker 9, a swing rod or a wire rope,
- the screen box is provided with a large medium mesh screen 3 and a small mesh screen 4, and the large medium mesh screen 3 is installed above the small mesh screen 4, and the screen box is connected flat.
- the back motion mechanism 5 provides the screen box with a power source for circular motion in the screen box through the flat return motion mechanism, and the large and medium mesh belt is not required to fall on both sides in the flat back motion. Screens and/or small mesh screens have blocked ribs 6 on both sides.
- the lower part of the large and medium mesh screen is equipped with a food guiding mechanism 7
- the inlet of the small mesh screen is located at the lower end of the food guiding mechanism, so that the whole grain of the large and medium mesh screen is sieved and fully sieved on the small sieve, the large The medium mesh screen and the small mesh screen are connected to the driving mechanism 8, and the mesh belt is screened while performing the flat back movement.
- the large and medium mesh belt screen of the embodiment 1 is screened on the upper mesh belt, and the rib is a polymer barrier plate fixed on both sides of the mesh belt, so that the rib can be drunk with the mesh belt and rotate the roller.
- the polymer barrier plate 6 is continuous, such as s-shaped, or zigzag, or W-shaped barrier tape, may be made of nylon, plastic, rubber, etc.; may also be discontinuous
- the baffles are, for example, a pair of butted baffles 6 or a set of staggered baffles 6, the bottoms of which may be connected between the bottoms of the discontinuous baffles, the upper portions being separate and movable to each other to form a fan shape.
- the rubber side is added on both sides of the screen surface, so that the overall width is larger than the width of the channel.
- the two sides are rolled up, and the channel is widened at the turn, and the baffle is naturally flattened and the screen surface is flattened and bent.
- the large and medium mesh belt of the embodiment 1 or 2 is screened on the upper mesh belt, and the food guiding mechanism is an inclined grain guiding plate or a belt conveyor, and the large and medium mesh screen is sieved.
- a roller 10 is mounted under the screen surface and/or the small mesh belt screen is provided with a roller 10 underneath.
- the flat circular path motion of the screen box is formed by the movement of the polarization.
- the slewing mechanism When rotating, the slewing mechanism has a radius of gyration of 4-11 mm, and the slewing frequency is 300-450 rpm.
- the large medium mesh screen of the embodiment 1 or 2 or 3 is sieved on the upper mesh belt, and the large medium mesh screen comprises a set of metal sieves arranged in sequence or wire braiding.
- the small mesh screen comprises a set of metal screens arranged in sequence or wire braided or stamped endless belts, the small mesh screen comprising composite screen surfaces
- the sieve mesh angle of the small mesh screen is 0-5 degrees, and the sieve mesh of the small mesh belt sieve is less than 0.8 times of the grain size. Achieve the best screening results.
- the upper belt mesh flat screen, the large medium mesh belt screen and the small miscellaneous mesh belt screen forming the endless belt are respectively placed on the rollers on both ends, the
- the drum has a blocking edge 14 to avoid the deviation of the screen surface, and can also block the food from being released to some extent, and the one-side drum is connected to the driving mechanism as a power source for the screen surface movement--the driving wheel, the drum and / Or the working surface of the roller can be glued to ensure a stable friction coefficient.
- the large medium mesh screen of the embodiment 1 or 2 or 3 or 4 or 5 is sieved on the upper mesh belt, and the large medium mesh screen is provided with a conveying plate 12, the conveying plate a set of parallel deflector swash plates (Fig. 3) or a discharge swash plate (Fig. 5) discharged to both sides, which is placed twice in the exit direction of the large and medium mesh screen of the lower layer.
- the mesh belt screen works at the same time, and the upper part is generally equipped with an inlet distribution device 19. Considering that the bottom one small mesh belt screen can discharge the separated small impurities through the bottom plate, it will not be mixed into the grain, so the second bottom from the bottom
- the small mesh belt is sifted, and the small mesh screen is equipped with a slanted and outgoing slide 17 which can be tilted along the mesh belt (Fig.
- the bottom has a spiral discharge mechanism 18.
- the small mesh screen and/or the large and medium mesh screens are provided with a polygonal cleaning roll or a cleaning brush 20 that intersects the screen surface after turning.
- the large medium mesh belt of the embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 is sieved on the upper mesh belt, and the small hybrid mesh sieve may have different particle size according to the sieved grain.
- a variety of mesh specifications respectively, for large grain grain mesh with sieve, small grain grain mesh with sieve and so on. If grain companies often need to change different types of grain cleaning, for example, granaries in the northeast often store large grains of corn, soybeans, and other small grain foods such as sorghum, rice, millet, and hazelnuts. Small mesh with a sieve.
- a reversing plate 13 is arranged at the bottom of the guiding swash plate, and which screen surface is selected by the reversing plate to perform selective guiding.
- One piece of equipment can complete the screening of a variety of foods, sharing parts of large and medium mesh screens and screen boxes, greatly reducing construction costs.
- the mesh belt is screened on the upper mesh screen, and the composition comprises: a sieve frame, wherein the sieve frame is connected to the sieve box by a boom or a rocker or a swing rod, and the sieve box is provided with a small set. a mesh screen and a large medium mesh screen, wherein the small mesh screen and the large medium mesh screen are provided with a flat return mechanism, and the small mesh screen has an inclined surface below the screen surface.
- the feeding device of the small mesh screen is equipped with an inlet distribution device, the inlet distribution device has a distribution groove, and the bottom end of the distribution groove has a set of grain inlets, each layer is small
- the sieve corresponds to 1-3 said feeding openings, the sieve surface of the small mesh screen is intersected with the hard wire cleaning roller, and the side of the small mesh screen is equipped with suction suction. Dust equipment.
- the medium and large mesh screen is screened on the upper mesh belt, and the composition comprises: a sieve frame, wherein the sieve frame is connected to the sieve box by a boom or a rocker or a rocker, and the feature is: the sieve box
- the utility model comprises a set of small mesh belt screen and a large medium mesh screen, wherein the small miscellaneous mesh screen and the large medium mesh screen are provided with a flat return mechanism, and the small miscellaneous mesh screen is below the sieve surface a skid plate having an inclined surface, the feeding device of the small mesh screen is equipped with an inlet distribution device, the inlet distribution device has a distribution groove, and the bottom end of the distribution groove has a set of grain inlets.
- Each layer of small miscellaneous sieve corresponds to 1-3 said feeding openings, the sieve surface of said small miscellaneous mesh screen is intersected with the hard wire cleaning roller, and one side of said small miscellaneous mesh screen is installed There are suction and vacuum equipment.
- the large amount of debris in the sieve is introduced into the collection bin.
- the grain and small miscellaneous grains under the sieve enter the small miscellaneous mesh belt through the grain guide plate, and the dust is sifted through the rolling of the net belt during the straight process.
- Small impurities such as dust and straw fines, grain as sieve residue into the granary.
- the large and medium mesh belt screen of the embodiment 10 is subjected to the method of grain removal in the upper mesh belt back screen, and the grain guide plate removes the large grain-selective meshing screens of different size sieve holes.
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
La présente invention concerne un tamis giratoire plan à courroies à mailles doté d'un tamis à courroie à mailles pour grandes et moyennes impuretés supérieur et un procédé d'élimination d'impuretés de grains associé. Le tamis giratoire plan à courroies à mailles comprend un cadre de tamis (1), un boîtier de tamis (2) étant suspendu dans le cadre de tamis (1) par l'intermédiaire de tiges à bascule (9), de tiges oscillantes ou de câbles métalliques en acier ; l'intérieur du boîtier de tamis (2) est doté d'un tamis à courroie à mailles pour grandes et moyennes impuretés (3) et d'un tamis à courroie à mailles pour petites impuretés (4) ; le tamis à courroie à mailles pour grandes et moyennes impuretés (3) est disposé au-dessus du tamis à courroie à mailles pour petites impuretés (4) ; le boîtier de tamis (2) est raccordé à un mécanisme de mouvement giratoire plan (5) pour fournir au boîtier de tamis, par l'intermédiaire du mécanisme de mouvement giratoire plan, une source de puissance pour effectuer un mouvement circulaire dans le boîtier de tamis ; deux côtés du tamis à courroie à mailles pour grandes et moyennes impuretés (3) et/ou du tamis à courroie à mailles pour petites impuretés (4) sont pourvus de brides de blocage (6) ; une partie inférieure du tamis à courroie à mailles pour grandes et moyennes impuretés (3) est pourvue d'un mécanisme de guidage de grains (7) ; une entrée de tamis à courroie à mailles pour petites impuretés (4) est située au niveau de l'extrémité inférieure du mécanisme de guidage de grains (7) de telle sorte que les grains tamisés par l'ensemble de la totalité du tamis à courroie à mailles pour grandes et moyennes impuretés (3) sont entièrement tamisés sur toute la longueur du tamis à courroie à mailles pour petites impuretés (4) ; et le tamis à courroie à mailles pour grandes et moyennes impuretés (3) et le tamis à courroie à mailles pour petites impuretés (4) sont tous deux raccordés à un mécanisme d'entraînement (8). Le tamis giratoire plan à courroies à mailles est utilisé pour éliminer les impuretés des grains.
Applications Claiming Priority (4)
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CN201711092183.4A CN107716262A (zh) | 2017-11-08 | 2017-11-08 | 网带平回筛进行粮食除杂的方法 |
CN201711092183.4 | 2017-11-08 | ||
CN201810312804.3 | 2018-04-09 | ||
CN201810312804.3A CN108311390A (zh) | 2017-11-08 | 2018-04-09 | 大中杂网带筛在上的网带平回筛及其进行粮食除杂的方法 |
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WO2019091334A1 true WO2019091334A1 (fr) | 2019-05-16 |
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Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2018/113569 WO2019091331A1 (fr) | 2017-11-08 | 2018-11-02 | Filtre giratoire plan à courroie maillée avec fonction d'élimination de petites impuretés en premier, et procédé d'élimination d'impuretés granulaires associé |
PCT/CN2018/113572 WO2019091334A1 (fr) | 2017-11-08 | 2018-11-02 | Tamis giratoire plan à courroies à mailles doté d'un tamis à courroie à mailles pour grandes et moyennes impuretés supérieur et procédé d'élimination d'impuretés de grains associé |
PCT/CN2018/113568 WO2019091330A1 (fr) | 2017-11-08 | 2018-11-02 | Tamis giratoire plan à courroies à mailles doté d'un tamis à petites impuretés supérieur et procédé d'élimination d'impuretés de grains associé |
PCT/CN2018/113570 WO2019091332A1 (fr) | 2017-11-08 | 2018-11-02 | Crible à mouvement giratoire plan, à tapis maillé, et son procédé d'élimination d'impuretés céréalières |
PCT/CN2018/113571 WO2019091333A1 (fr) | 2017-11-08 | 2018-11-02 | Crible à tapis maillé doté d'une fonction de criblage en spirale, son procédé d'utilisation et son utilisation |
PCT/CN2018/113573 WO2019091335A1 (fr) | 2017-11-08 | 2018-11-02 | Tamis giratoire plan à bande maillée doté d'une fonction d'élimination primaire des grosses impuretés, et procédé associé d'élimination d'impuretés constituées de grains |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2018/113569 WO2019091331A1 (fr) | 2017-11-08 | 2018-11-02 | Filtre giratoire plan à courroie maillée avec fonction d'élimination de petites impuretés en premier, et procédé d'élimination d'impuretés granulaires associé |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2018/113568 WO2019091330A1 (fr) | 2017-11-08 | 2018-11-02 | Tamis giratoire plan à courroies à mailles doté d'un tamis à petites impuretés supérieur et procédé d'élimination d'impuretés de grains associé |
PCT/CN2018/113570 WO2019091332A1 (fr) | 2017-11-08 | 2018-11-02 | Crible à mouvement giratoire plan, à tapis maillé, et son procédé d'élimination d'impuretés céréalières |
PCT/CN2018/113571 WO2019091333A1 (fr) | 2017-11-08 | 2018-11-02 | Crible à tapis maillé doté d'une fonction de criblage en spirale, son procédé d'utilisation et son utilisation |
PCT/CN2018/113573 WO2019091335A1 (fr) | 2017-11-08 | 2018-11-02 | Tamis giratoire plan à bande maillée doté d'une fonction d'élimination primaire des grosses impuretés, et procédé associé d'élimination d'impuretés constituées de grains |
Country Status (2)
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WO (6) | WO2019091331A1 (fr) |
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CN107716262A (zh) * | 2017-11-08 | 2018-02-23 | 刘全义 | 网带平回筛进行粮食除杂的方法 |
CN110340004A (zh) * | 2019-07-27 | 2019-10-18 | 长沙埃比林环保科技有限公司 | 一种筛分装置 |
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CN112547467A (zh) * | 2020-11-19 | 2021-03-26 | 唐山市曹妃甸燊融新材料科技有限公司 | 一种煅烧石油焦加工用杂质筛选机 |
CN113000118A (zh) * | 2021-02-20 | 2021-06-22 | 殷明根 | 一种有机淀粉生产加工*** |
BR202022003200U2 (pt) * | 2022-02-21 | 2022-06-21 | Cimisa Maqu Pozzer Ltda Epp | Sistema e equipamento de pré-limpeza, padronização e classificação de sementes |
CN114798406B (zh) * | 2022-04-19 | 2023-06-09 | 中电建安徽长九新材料股份有限公司 | 一种复频弛张筛及筛选方法 |
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Also Published As
Publication number | Publication date |
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CN107716262A (zh) | 2018-02-23 |
WO2019091333A1 (fr) | 2019-05-16 |
WO2019091331A1 (fr) | 2019-05-16 |
CN108311390A (zh) | 2018-07-24 |
CN108311389A (zh) | 2018-07-24 |
CN208824949U (zh) | 2019-05-07 |
CN208583594U (zh) | 2019-03-08 |
CN108212770A (zh) | 2018-06-29 |
CN208427375U (zh) | 2019-01-25 |
CN108372104A (zh) | 2018-08-07 |
WO2019091335A1 (fr) | 2019-05-16 |
CN208373576U (zh) | 2019-01-15 |
CN109290191A (zh) | 2019-02-01 |
CN109225797A (zh) | 2019-01-18 |
WO2019091332A1 (fr) | 2019-05-16 |
WO2019091330A1 (fr) | 2019-05-16 |
CN109290190A (zh) | 2019-02-01 |
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