CN210098236U - High-efficient maize equipment of sieving - Google Patents

High-efficient maize equipment of sieving Download PDF

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Publication number
CN210098236U
CN210098236U CN201920796499.XU CN201920796499U CN210098236U CN 210098236 U CN210098236 U CN 210098236U CN 201920796499 U CN201920796499 U CN 201920796499U CN 210098236 U CN210098236 U CN 210098236U
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China
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fixed
corn
screening
frame
filter screen
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CN201920796499.XU
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Chinese (zh)
Inventor
黄增明
韦明陆
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Langfang Ruikang Feeds Co Ltd
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Langfang Ruikang Feeds Co Ltd
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Abstract

The utility model discloses a high-efficient maize equipment of sieving belongs to maize processing equipment technical field, and it includes frame, discharge hopper, screw conveyer, lifting machine and screening machine, and the frame is fixed in ground, and the discharge hopper is fixed in the frame, and screw conveyer locates the below of discharge hopper, and screw conveyer's discharge gate one side is located to the lifting machine, and one side that screw conveyer was kept away from to the lifting machine is located to the screening machine. After the maize is poured into the discharge hopper, through screw conveyer's transport, fall into the lifting machine, the lifting machine transports the maize to the eminence from the low, then pours into the screening machine into, removes dust in the screening machine, separates and after further removing dust, obtains the garrulous maize and the complete maize of separating, garrulous maize can direct recycle, has avoided the waste of garrulous maize.

Description

High-efficient maize equipment of sieving
Technical Field
The utility model relates to a maize processing equipment technical field, concretely relates to high-efficient maize equipment of sieving.
Background
About 320kg of undersize of 40 tons of corns is discharged, and 100-140kg of broken corns in the undersize of 320kg can be reused, but in the prior art, the undersize of corns is directly treated as waste, and the broken corns in the undersize cannot be utilized, so that waste is caused.
SUMMERY OF THE UTILITY MODEL
To above-mentioned problem, provide a high-efficient maize equipment that sieves, solve the extravagant problem of garrulous maize in the screen underflow thing of maize.
In order to achieve the above purpose, the utility model adopts the technical proposal that: an efficient corn sieving device comprises a frame, a discharge hopper, a screw conveyor, a lifter and a sieving machine; the frame is fixed on the ground; the discharging hopper is fixed on the frame and is funnel-shaped, the upper part of the discharging hopper is provided with a discharging inlet, and the lower part of the discharging hopper is provided with a discharging outlet; the spiral conveyor is fixed on the rack, the spiral conveyor is arranged below the discharge hopper, and a feed inlet of the spiral conveyor is communicated with the discharge outlet; the lifting machine is arranged on one side of a discharge port of the spiral conveyor and comprises a conveying belt, a lifting motor and a plurality of material receiving hoppers, the conveying belt is arranged on the rack, the conveying belt is obliquely arranged, the material receiving hoppers are fixed on the conveying belt, the lower end of the conveying belt is arranged below the discharge port of the spiral conveyor, the lifting motor drives the conveying belt to transmit, and the lifting motor is fixed on the rack; the screening machine is fixed on the frame, the screening machine is arranged on one side of the elevator, the screening machine comprises a first-level screening device, a second-level screening device and a third-level screening device, the first-level screening device comprises a grain throwing device, a screening cylinder, a blower and an exhaust fan, the grain throwing device is fixed on the frame, the grain throwing device is arranged below the upper end of the conveying belt, one end of the grain throwing device is provided with a grain throwing port, the grain throwing port is communicated with the screening cylinder, the screening cylinder is fixed on the frame, the lower end of the screening cylinder is open, the upper end of the screening cylinder is provided with a dust suction port, the exhaust fan is arranged at the dust suction port, the exhaust fan is connected with a cloth bag for collecting dust, an air supply pipe with a closed upper end is sleeved in the screening cylinder, the upper end of the air supply pipe is sleeved in the screening cylinder, and the lower end of the air, the side wall of the blast pipe is provided with a vent hole, and the inner wall of the screening cylinder and the outer wall of the blast pipe are respectively provided with a baffle; the secondary screening device comprises a filter screen, a vibrating machine, a coarse sorting bin for crushed corns and a refined corn bin, the filter screen is arranged below the screening barrel, a filter screen is arranged in the middle of the filter screen, the filter screen is obliquely arranged, a supporting spring and a telescopic rod which are used for supporting are arranged at the bottom of the filter screen, the refined corn bin is fixed on the ground, the refined corn bin is arranged below the lower end of the filter screen, the coarse sorting bin for crushed corns is arranged below the filter screen, the coarse sorting bin for crushed corns is fixed on the rack, the vibrating machine is arranged below the filter screen, and the vibrating machine drives the filter screen to vibrate; the three-stage screening device comprises an air box, a crushed corn fine selection bin, an air blower and a dust collection bin, wherein the air box is fixed on the frame, an air outlet is formed in one end of the air box, a crushed corn feeding port is formed in the upper portion of the air box, a crushed corn discharging port is formed in the lower portion of the air box, the crushed corn feeding port is communicated with the bottom of the crushed corn coarse selection bin, the crushed corn fine selection bin is arranged below the crushed corn discharging port, the crushed corn fine selection bin is fixed on the ground, the air blower is fixedly arranged at one end, far away from the air outlet, of the air box, the dust collection bin is arranged at one end, close to the air outlet, of the air box; the wind box is internally and fixedly provided with a wind distribution plate for dispersing wind, and the wind distribution plate is arranged between the air blower and the corn scrap sorting bin.
Furthermore, a plurality of the material receiving hoppers are arranged on the conveyor belt at equal intervals, and the projections of two adjacent material receiving hoppers on the horizontal plane are intersected. Because the projections of two adjacent receiving hoppers on the horizontal plane are crossed, the corn can continuously fall into the receiving hoppers from the discharge hole of the screw conveyer, and the corn is prevented from falling from the gap between the two adjacent receiving hoppers.
Furthermore, the grain throwing device comprises a collecting hopper, a high-pressure fan and a grain throwing pipe, the high-pressure fan is fixed on the rack, the grain throwing pipe is arranged at one end of the high-pressure fan, the collecting hopper is arranged under the upper end of the conveying belt, the collecting hopper is arranged at the top of the grain throwing pipe and communicated with the grain throwing pipe, and the grain throwing port is arranged at one end, far away from the high-pressure fan, of the grain throwing pipe. The high pressure positive blower blows the maize in throwing the grain pipe to the screening section of thick bamboo and makes the maize disperse and come, avoids the maize crowded together to make the difficult separation of dust.
Further, be equipped with down the glassware in the collecting hopper, down the glassware includes unloading motor and hob, the output shaft fixed connection of unloading motor the hob, the hob is vertical to be located in the collecting hopper, the lower extreme of hob is located in the export of collecting hopper, the unloading motor is fixed in through the connecting rod in the collecting hopper. The blanking device can evenly blank, so that the situation that the thrown corn is not easy to disperse due to too many corns extruded in the grain throwing device is avoided.
Further, the vibrating machine comprises a vibrating motor and an eccentric wheel, the vibrating motor is fixed to the rack, an output shaft of the vibrating motor is fixedly connected with the eccentric wheel, and the eccentric wheel is arranged below the filter screen and abutted against the filter screen.
Further, divide the aerofoil to include frame and loose leaf, the frame is fixed in the bellows, the frame is squarely, the frame comprises a plurality of little frames, every be equipped with one in the little frame the loose leaf, the both ends of loose leaf rotate the connection respectively the lateral wall of little frame. The loose-leaf can rotate when receiving strong wind-force and change wind-force direction to disperse wind-force, avoid wind-force too big to blow the garrulous maize in the dust collection storehouse.
The elevator further comprises a belt transmission mechanism, the belt transmission mechanism comprises a driving roller, a driving belt wheel, a belt and a driven roller, the driving roller is rotatably installed on the rack, the driving belt wheel is fixed at one end of the driving roller, the driving belt wheel is coaxial with the driving roller, the inner side of the upper end of the conveying belt is abutted against the outer edge of the driving roller, the driven roller is rotatably installed on the rack, the axis of the driving roller is parallel to the axis of the driven roller, the inner side of the lower end of the conveying belt is abutted against the outer edge of the driven roller, and the lifting motor is connected with the driving belt wheel through belt transmission.
Due to the adoption of the technical scheme, the utility model discloses the beneficial effect who gains does:
the utility model discloses a high-efficient maize screening installation's one-level sieving mechanism separates most dust and maize, and the throwing grain ware of one-level sieving mechanism is thrown maize dispersion in the screening section of thick bamboo, then the forced draught blower blows the dust in the maize of mixing in throwing in the screening section of thick bamboo through the blast pipe, and the air exhauster takes the dust out the screening section of thick bamboo, realizes the separation of most dust and maize; the second-stage screening device separates the crushed corn from the complete corn, the corn falls into the filter screen from the screening cylinder and slides to a lower position under the action of the vibrating machine, meanwhile, the crushed corn falls into the crushed corn rough separation bin under the filtration of the filter screen, and the complete corn falls into the fine separation corn bin, so that the separation of the crushed corn and the complete corn is realized; the three-stage screening device separates the crushed corns from the dust mixed in the crushed corns, the crushed corns in the crushed corn rough sorting bin flow into an air box, the dust is blown to the front to fall into a dust collecting bin through an air blowing area of an air blower, and the crushed corns directly fall into a crushed corn fine sorting bin to realize the separation of the crushed corns and the dust mixed in the crushed corns; the broken corn in the broken corn fine selection bin can be directly recycled, so that the waste of the broken corn is avoided.
Drawings
FIG. 1 is a schematic structural view of a high-efficiency corn sieving apparatus of the present invention;
the device comprises a frame 1, a discharge hopper 2, a screw conveyor 3, a conveyor belt 41, a conveyor belt 42, a receiving hopper 43, a lifting motor 44, a driving roller 45, a driven roller 46, a driving belt wheel 47, a belt 51, a high-pressure fan 52, a collecting hopper 53, a grain throwing pipe 54, a screening barrel 55, a blower 56, a blast pipe 57, a baffle plate 58, an exhaust fan 58, a dust collecting cloth bag 59, a filter screen 61, a supporting spring 62, a vibrating motor 63, an eccentric wheel 64, a selected corn bin 65, a crushed corn rough selection bin 66, a telescopic rod 67, an air box 71, an air blower 72, a crushed corn fine selection bin 73 and a dust collecting bin 74.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1, a high-efficiency corn sieving device comprises a frame 1, a discharge hopper 2, a screw conveyor 3, a lifter and a sieving machine, wherein the frame 1 is fixed on the ground, a part of the frame 1 is arranged in a pit on the ground, the discharge hopper 2 is fixed on the frame 1, the screw conveyor 3 is arranged below the discharge hopper 2, the lifter is arranged on one side of a discharge hole of the screw conveyor 3, and the sieving machine is arranged on one side of the lifter, which is far away from the screw conveyor 3. After the corns are poured into the discharge hopper 2, the corns fall into the elevator through the conveying of the screw conveyor 3, the elevator transports the corns from a lower position to a higher position, then the corns are poured into the screening machine, and after dust removal, separation and further dust removal are carried out in the screening machine, the separated broken corns and the complete corns are obtained.
Discharge hopper 2 is hourglass hopper-shaped, and in discharge hopper 2 located the pit on ground, the upper portion of discharge hopper 2 was equipped with the entry of unloading, and the entry of unloading is with ground parallel and level, and 2 departments of discharge hopper are transported to with the freight train to the maize, then pour into discharge hopper 2 from the entry of unloading, and the lower part of discharge hopper 2 is equipped with the export of unloading.
Screw conveyer 3 is fixed in on the frame 1 in the pit, screw conveyer 3 is located in the pit on ground, screw conveyer 3 includes the casing, rotating electrical machines and screw conveyer pole, the casing is cylindricly, rotating electrical machines is fixed in the one end of casing, the other end of casing is located to screw conveyer 3's discharge gate, the casing is located to the screw conveyer pole, the output shaft of screw conveyer pole's one end fixed connection rotating electrical machines, the other end of screw conveyer pole is rotated and is connected in the casing, screw conveyer 3's feed inlet and the export intercommunication of unloading, the maize from the export outflow of unloading directly gets into screw conveyer 3.
The elevator comprises a conveyor belt 41, an elevator motor 43, a belt transmission mechanism and a plurality of receiving hoppers 42, wherein the conveyor belt 41 is obliquely arranged, the receiving hoppers 42 are fixedly arranged on the surface of the conveyor belt 41 at equal intervals along the running direction of the conveyor belt 41, the projections of two adjacent receiving hoppers 42 on the horizontal plane are intersected, the lower end of the conveyor belt 41 is arranged in a pit on the ground, the lower end of the conveyor belt 41 is arranged below a discharge port of the screw conveyor 3, the belt transmission mechanism comprises a driving roller 44, a driving belt wheel 46, a belt 47 and a driven roller 45, the driving roller 44 is horizontally and rotatably arranged on the rack 1, the driving belt wheel 46 is fixed at one end of the driving roller 44, the inner side of the upper end of the conveyor belt 41 is abutted against the outer edge of the driving roller 44, the driving belt wheel 46 is coaxial with the driving roller 44, the driven roller 45 is horizontally and rotatably arranged on the rack, the lifting motor 43 is fixed on the frame 1, a belt pulley is fixedly connected to an output shaft of the lifting motor 43, the belt pulley is connected with a driving belt pulley 46 through a belt 47, and the lifting motor 43 drives the conveying belt 41 to transmit.
The screening machine is fixed in on frame 1, and the screening machine includes one-level sieving mechanism, second grade sieving mechanism and tertiary sieving mechanism, and the maize passes through one-level sieving mechanism, second grade sieving mechanism and tertiary sieving mechanism in proper order.
The primary screening device comprises a grain throwing device, a screening cylinder 54, a blower 55 and an exhaust fan 58, the grain throwing device comprises a high-pressure fan 51, a grain throwing pipe 53 and a grain collecting hopper 52, the high-pressure fan 51 is fixed on the frame 1, one end of the grain throwing pipe 53 is fixed on the high-pressure fan 51 and communicated with an air outlet of the high-pressure fan 51, the other end of the grain throwing pipe 53 is provided with a grain throwing port communicated with the side surface of the screening cylinder 54, the grain collecting hopper 52 is arranged at the top of the grain throwing pipe 53 and communicated with the grain throwing pipe 53, the grain collecting hopper 52 is arranged below the upper end of the conveyor belt 41, a blanking device is arranged in the grain collecting hopper 52 and comprises a blanking motor and a screw rod, an output shaft of the blanking motor is fixedly connected with the screw rod, the screw rod is vertically arranged in the grain collecting hopper 52, the lower end of the screw rod. The upper end of a screening section of thick bamboo 54 is equipped with the dust absorption mouth, air exhauster 58 is connected to the dust absorption mouth, air exhauster 58 is connected with the sack 59 that gathers dust, screening section of thick bamboo 54 is connected with blast pipe 56 that the upper end is closed, the upper end cover of blast pipe 56 is located in screening section of thick bamboo 54, the lower extreme of blast pipe 56 passes through pipe connection forced draught blower 55, fan 55 is fixed in subaerial, the lateral wall of blast pipe 56 that the cover was located in screening section of thick bamboo is equipped with the ventilation hole, and the inner wall of screening section of thick bamboo 54 and the outer wall of blast pipe 56 are fixed respectively and are equipped with baffle 57, baffle 57 is used for preventing that the maize whereabouts speed is too.
The secondary screening device comprises a filter sieve 61, a vibrator, a corn smashing roughing bin 66 and a selected corn bin 65, the filter sieve 61 is arranged in an inclined mode, the upper end of the filter sieve 61 is arranged below the screening barrel 54, a filter screen is arranged in the middle of the filter sieve 61, the lower end of the filter sieve 61 is a smooth surface, and the two sides of the filter sieve 61 are provided with leakage-proof plates. The supporting spring 62 and the telescopic rod 67 are respectively arranged below two ends of the filter screen 61, the upper end of the telescopic rod 67 is fixedly connected with the filter screen 61, the lower end of the telescopic rod 67 is fixed on the ground, the supporting spring 62 is sleeved outside the telescopic rod 67, the upper end of the supporting spring 62 is fixedly connected with the filter screen 61, and the lower end of the supporting spring 62 is fixedly connected with the lower end of the telescopic rod 67. The selected corn bin 65 is arranged below the lower end of the filter screen 61, the selected corn bin 65 is fixed on the ground, the crushed corn roughing bin 66 is arranged below the filter screen, and the crushed corn roughing bin 66 is fixed on the frame 1. The below at the middle part of filter sieve 61 is located to the bobbing machine, and the bobbing machine includes vibrating motor 63 and eccentric wheel 64, and vibrating motor 63 is fixed in on the frame 1, and vibrating motor 63's output shaft fixed connection eccentric wheel 64, the below of filter sieve 61 and butt filter sieve 61 are located to eccentric wheel 64, and the bobbing machine passes through eccentric wheel 64 drive filter sieve 61 vibration for garrulous maize drops from the filter screen, and the bobbing machine still makes garrulous maize can't block up the filter screen for a long time.
The three-stage screening device comprises a blower 72 and a wind box 71, choice storehouse 73 of garrulous maize and dust collection storehouse 74, the one end of bellows 71 is equipped with the air outlet, the upper portion of bellows 71 is equipped with garrulous maize pan feeding mouth, the lower part of bellows 71 is equipped with garrulous maize discharge gate, garrulous maize pan feeding mouth intercommunication garrulous maize rough sorting storehouse 66's bottom, garrulous maize choice storehouse 73 is located under the garrulous maize discharge gate, the one end that the air outlet was kept away from to bellows 71 is located to air-blower 72, dust collection storehouse 74 is located the one end that bellows 71 is close to the air outlet, bellows 71 internal fixation is equipped with and is used for the minute aerofoil with the wind dispersion, divide the aerofoil to locate between air-blower 72 and the choice storehouse 73 of garrulous maize, divide the aerofoil to include frame and loose plate, frame fixed connection bellows 71, the frame is squarely, the frame comprises a plurality of little frames, be equipped with.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (7)

1. The utility model provides a high-efficient maize equipment of sieving which characterized in that: comprises that
The rack is fixed on the ground;
the discharging hopper is fixed on the frame and is funnel-shaped, a discharging inlet is formed in the upper part of the discharging hopper, and a discharging outlet is formed in the lower part of the discharging hopper;
the spiral conveyor is fixed on the rack, the spiral conveyor is arranged below the discharge hopper, and a feed inlet of the spiral conveyor is communicated with the discharge outlet;
the lifting machine is arranged on one side of a discharge port of the spiral conveyor and comprises a conveying belt, a lifting motor and a plurality of material receiving hoppers, the conveying belt is arranged on the rack, the conveying belt is obliquely arranged, the material receiving hoppers are fixed on the conveying belt, the lower end of the conveying belt is arranged below the discharge port of the spiral conveyor, the lifting motor drives the conveying belt to transmit, and the lifting motor is fixed on the rack;
the screening machine is fixed on the frame and is arranged on one side of the elevator, the screening machine comprises a primary screening device, a secondary screening device and a tertiary screening device, the primary screening device comprises a grain throwing device, a screening cylinder, a blower and an exhaust fan, the grain throwing device is fixed on the frame and is arranged below the upper end of the conveying belt, one end of the grain throwing device is provided with a grain throwing port which is communicated with the screening cylinder, the screening cylinder is fixed on the frame, the lower end of the screening cylinder is opened, the upper end of the screening cylinder is provided with a dust suction port which is provided with the exhaust fan, the exhaust fan is connected with a dust collecting cloth bag, an air supply pipe with an upper end closed opening is sleeved in the screening cylinder, the upper end of the air supply pipe is sleeved in the screening cylinder, and the lower end of the air supply pipe is connected with the blower through a pipeline, the side wall of the blast pipe is provided with a vent hole, and the inner wall of the screening cylinder and the outer wall of the blast pipe are respectively provided with a baffle;
the secondary screening device comprises a filter screen, a vibrating machine, a coarse sorting bin for crushed corns and a refined corn bin, the filter screen is arranged below the screening barrel, a filter screen is arranged in the middle of the filter screen, the filter screen is obliquely arranged, a supporting spring and a telescopic rod which are used for supporting are arranged at the bottom of the filter screen, the refined corn bin is fixed on the ground, the refined corn bin is arranged below the lower end of the filter screen, the coarse sorting bin for crushed corns is arranged below the filter screen, the coarse sorting bin for crushed corns is fixed on the rack, the vibrating machine is arranged below the filter screen, and the vibrating machine drives the filter screen to vibrate;
the three-stage screening device comprises an air box, a crushed corn fine selection bin, an air blower and a dust collection bin, wherein the air box is fixed on the frame, an air outlet is formed in one end of the air box, a crushed corn feeding port is formed in the upper portion of the air box, a crushed corn discharging port is formed in the lower portion of the air box, the crushed corn feeding port is communicated with the bottom of the crushed corn coarse selection bin, the crushed corn fine selection bin is arranged below the crushed corn discharging port, the crushed corn fine selection bin is fixed on the ground, the air blower is fixedly arranged at one end, far away from the air outlet, of the air box, the dust collection bin is arranged at one end, close to the air outlet, of the air box; the wind box is internally and fixedly provided with a wind distribution plate for dispersing wind, and the wind distribution plate is arranged between the air blower and the corn scrap sorting bin.
2. The high-efficiency corn screening device according to claim 1, wherein: the plurality of material receiving hoppers are arranged on the conveying belt at equal intervals, and the projections of two adjacent material receiving hoppers on the horizontal plane are intersected.
3. The high-efficiency corn screening device according to claim 1, wherein: the grain throwing device comprises a collecting hopper, a high-pressure fan and a grain throwing pipe, wherein the high-pressure fan is fixed on the rack, the grain throwing pipe is arranged at one end of the high-pressure fan, the collecting hopper is arranged under the upper end of the conveying belt, the collecting hopper is arranged at the top of the grain throwing pipe and communicated with the grain throwing pipe, and a grain throwing port is arranged at one end, far away from the high-pressure fan, of the grain throwing pipe.
4. A high efficiency corn screening apparatus as claimed in claim 3 wherein: the discharging device is characterized in that a discharging device is arranged in the collecting hopper and comprises a discharging motor and a screw rod, an output shaft of the discharging motor is fixedly connected with the screw rod, the screw rod is vertically arranged in the collecting hopper, the lower end of the screw rod is arranged in an outlet of the collecting hopper, and the discharging motor is fixed in the collecting hopper through a connecting rod.
5. The high-efficiency corn screening device according to claim 1, wherein: the vibrating machine comprises a vibrating motor and an eccentric wheel, the vibrating motor is fixed on the rack, an output shaft of the vibrating motor is fixedly connected with the eccentric wheel, and the eccentric wheel is arranged below the filter screen and abutted against the filter screen.
6. A high-efficiency corn screening device according to claim 5, wherein: divide the aerofoil to include frame and loose leaf, the frame is fixed in the bellows, the frame is squarely, the frame comprises a plurality of little frames, every be equipped with one in the little frame the loose leaf, the both ends of loose leaf rotate the connection respectively the lateral wall of little frame.
7. The high-efficiency corn screening device according to claim 1, wherein: the elevator further comprises a belt transmission mechanism, the belt transmission mechanism comprises a driving roller, a driving belt wheel, a belt and a driven roller, the driving roller is rotatably installed on the rack, the driving belt wheel is fixed at one end of the driving roller, the driving belt wheel is coaxial with the driving roller, the inner side of the upper end of the conveying belt is abutted against the outer edge of the driving roller, the driven roller is rotatably installed on the rack, the axis of the driving roller is parallel to the axis of the driven roller, the inner side of the lower end of the conveying belt is abutted against the outer edge of the driven roller, and the lifting motor is connected with the driving belt wheel through belt transmission.
CN201920796499.XU 2019-05-29 2019-05-29 High-efficient maize equipment of sieving Active CN210098236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920796499.XU CN210098236U (en) 2019-05-29 2019-05-29 High-efficient maize equipment of sieving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920796499.XU CN210098236U (en) 2019-05-29 2019-05-29 High-efficient maize equipment of sieving

Publications (1)

Publication Number Publication Date
CN210098236U true CN210098236U (en) 2020-02-21

Family

ID=69563207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920796499.XU Active CN210098236U (en) 2019-05-29 2019-05-29 High-efficient maize equipment of sieving

Country Status (1)

Country Link
CN (1) CN210098236U (en)

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