CN210425788U - Earthworm is bred and uses compost dewatering device - Google Patents
Earthworm is bred and uses compost dewatering device Download PDFInfo
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- CN210425788U CN210425788U CN201921236109.XU CN201921236109U CN210425788U CN 210425788 U CN210425788 U CN 210425788U CN 201921236109 U CN201921236109 U CN 201921236109U CN 210425788 U CN210425788 U CN 210425788U
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- hot air
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- servo motor
- conveyor belt
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- 239000002361 compost Substances 0.000 title claims abstract description 58
- 241001561106 Allolobophora caliginosa Species 0.000 title description 2
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 59
- 238000007602 hot air drying Methods 0.000 claims abstract description 35
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229920002456 HOTAIR Polymers 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001488 breeding Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000009264 composting Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 210000003608 Feces Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 230000002035 prolonged Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a compost dehydration device for earthworm breeding, which comprises a centrifugal dehydration device, a hot air drying device, a feed inlet, a discharge port, a support column and a bottom plate; the feed inlet directly sets up on centrifugal dehydration device, centrifugal dehydration device set up in hot air drying device's upside, just centrifugal dehydration device link up with hot air drying device, hot air drying device passes through support column and bottom plate fixed connection. The utility model discloses dry contact surface is big, and dehydration rate is fast, and is efficient.
Description
Technical Field
The utility model belongs to fertilizer dewatering equipment field especially relates to a compost dewatering device is used in earthworm cultivation.
Background
The composting technology is an organic fertilizer production technology, and is an organic fertilizer prepared by mixing human and animal excreta and composting by using various plant residues (crop straws, weeds, leaves, peat, garbage and other wastes) as composting raw materials. In the earthworm cultivation process, agricultural wastes, livestock and poultry manure, domestic garbage or industrial wastes are usually collected together, inoculated microbial inoculum and fermentation additives are added, and then composting fermentation is carried out to prepare the feed required by earthworm cultivation. After fermentation of the compost, the compost needs to be dewatered to ensure that the final feed produced is maintained within a suitable humidity range. The existing compost dehydration is basically carried out in a compost bin, the efficiency is low, the required time is long, and the operation is inconvenient.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a compost dewatering device is used in earthworm cultivation, and the dry contact surface of this equipment is big, and dehydration rate is fast, and is efficient.
In order to solve the technical problem, the utility model discloses a technical scheme is: a compost dehydration device for earthworm breeding comprises a centrifugal dehydration device, a hot air drying device, a feeding hole, a discharging hole, a support column and a bottom plate; the feeding hole is directly formed in the centrifugal dehydration device, the centrifugal dehydration device is arranged on the upper side of the hot air drying device, the centrifugal dehydration device is communicated with the hot air drying device, and the hot air drying device is fixedly connected with the bottom plate through a supporting column;
the centrifugal dehydration device comprises a shell and an inner barrel, wherein a fixed bearing is arranged between the shell and the inner barrel, the fixed bearing is fixed on the inner wall of the shell and is movably connected with the inner barrel, the bottom of the shell is fixedly provided with a fixed rod, the fixed rod is hollow and is provided with a transmission mechanism, one end of the fixed rod penetrates out of the shell, the bottom of the shell is fixedly provided with a first servo motor through a motor base, the bottom diameter of the inner barrel is reduced to form a circular tube which is hollow inside, the bottom of the circular tube is provided with a middle discharge opening, an output shaft of the first servo motor is rotatably connected with one end of the transmission mechanism, the other end of the transmission mechanism is rotatably connected with the circular tube, and the inner barrel is provided with a plurality of overflow holes;
the hot air drying device comprises a box body, a first conveyor belt, a second conveyor belt and an air heater, wherein the first conveyor belt is arranged inside the box body through a first driving shaft and a first driven shaft, the first driving shaft and the first driven shaft penetrate through the box body and are movably connected with the box body, the first driving shaft is connected with a second servo motor, and the second servo motor is fixedly arranged on the outer side of the box body; the second conveying belt is arranged inside the box body through a second driving shaft and a second driven shaft, the second driving shaft and the second driven shaft penetrate through the box body and are movably connected with the box body, the second driving shaft is connected with a third servo motor, and the third servo motor is fixedly arranged on the outer side of the box body; the first driven shaft is positioned on the upper side of the second conveying belt; the air heater is provided with a plurality of air heaters, the air heaters are all fixed on the box body, air openings of the air heaters face the first conveying belt or the second conveying belt, and the discharge opening is formed in the bottom of the box body and located on the lower side of the second driven shaft.
Further, the fixed bearing is provided with two, and each shell that the fixed bearing is close to is provided with a drain hole.
Furthermore, the shell is internally and fixedly provided with a water baffle which is arranged on the upper side of the fixed rod, the water baffle is in a circular ring shape and is movably connected with the inner barrel, the water baffle is obliquely arranged and is higher than the joint of the inner barrel and the shell, and a water draining hole is formed above the joint of the water baffle and the shell.
Furthermore, an electric control valve is arranged inside the circular tube and located above the middle discharge opening, and the electric control valve, the first servo motor, the second servo motor and the third servo motor are all electrically connected with a PLC (programmable logic controller).
Further, the PLC controller is fixedly arranged on the shell.
Furthermore, first conveyer belt and second conveyer belt all incline to set up, and whole splayed that is.
Further, the discharge gate is circular, simultaneously the top of discharge gate is provided with the striker plate, the striker plate with box fixed connection.
Furthermore, a plurality of exhaust holes are formed in the top surface of the box body.
Furthermore, the hot air blower is provided with two rows which are respectively fixedly arranged on the opposite box bodies of the first conveyor belt and the second conveyor belt, and two hot air blowers are arranged in each row.
Furthermore, the number of the support columns is four, the number of the bottom plates is two, and every two support columns are fixedly connected with the same bottom plate.
The utility model has the advantages and positive effects that:
the utility model is provided with a centrifugal dehydration device and a hot air drying device, wherein, the centrifugal dehydration device adopts centrifugal force to dehydrate, can dehydrate wet compost in a large range, and has good effect and high speed; the hot air drying device adopts the combination of an air heater and a conveyor belt for conveying compost, the air heater blows hot air to the compost, meanwhile, the conveyor belt drives the compost to move slowly, so that the retention time of the compost in the hot air drying device can be prolonged, the drying effect is better, and a plurality of exhaust holes are formed in the outer side of the box body and can discharge water vapor in the hot air drying device;
the compost is firstly dehydrated by a centrifugal dehydration device and then dried by a hot air drying device, so that the dehydration efficiency is improved, and the more dry compost can be obtained.
Drawings
FIG. 1 is a schematic view of the overall structure of a dehydration device for earthworm cultivation compost;
FIG. 2 is a front view of the dehydration device for earthworm cultivation compost;
FIG. 3 is a rear view of the dehydration device for earthworm cultivation compost;
FIG. 4 is a schematic structural view of a centrifugal dehydration device in the earthworm cultivation compost dehydration device of the utility model;
FIG. 5 is a schematic structural view of a hot air drying device in the earthworm cultivation compost dewatering device;
FIG. 6 is a circuit control block diagram of the earthworm cultivation compost dehydration device;
in the figure: 1-a feed inlet, 2-a discharge outlet, 3-a support column, 4-a bottom plate, 5-a centrifugal dehydration device, 501-a shell, 502-an inner cylinder, 503-a fixed bearing, 504-a drain hole, 505-a fixed rod, 506-a motor base, 507-a first servo motor, 508-an intermediate discharge outlet, 509-a water baffle and 510-a draining hole; 6-hot air drying device, 601-box, 602-first conveyor belt, 603-second conveyor belt, 604-hot air blower, 605-first driving shaft, 606-first driven shaft, 607-second servo motor, 608-second driving shaft, 609-second driven shaft, 610-third servo motor and 7-striker plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-6, a dehydration device for earthworm cultivation compost comprises a centrifugal dehydration device 5, a hot air drying device 6, a feed inlet 1, a discharge outlet 2, a support column 3 and a bottom plate 4; the feeding hole 1 is directly arranged on a centrifugal dehydration device 5, the centrifugal dehydration device 5 is arranged on the upper side of a hot air drying device 6, the centrifugal dehydration device 5 is communicated with the hot air drying device 6, and the hot air drying device 6 is fixedly connected with a bottom plate 4 through a support column 3; the compost is added into a centrifugal dehydration device 5 from a feeding hole 1 for preliminary dehydration, then enters a hot air drying device 6 from the centrifugal dehydration device 5 for secondary dehydration, and is discharged out of the whole dehydration device from a discharging hole 2 after the dehydration is finished. The bottom plate 4 and the supporting columns 3 are used for supporting and placing the whole dewatering device.
The centrifugal dewatering device 5 comprises a shell 501 and an inner cylinder 502, a fixed bearing 503 is arranged between the shell 501 and the inner cylinder 502, the fixed bearing 503 is fixed on the inner wall of the housing 501 and movably connected with the inner cylinder 502, a fixing rod 505 is fixedly arranged at the bottom of the shell 501, the fixing rod 505 is hollow and is provided with a transmission mechanism, one end of the fixing rod 505 penetrates through the housing 501, a first servo motor 507 is fixedly arranged at the bottom of the housing 501 through a motor base 506, the bottom of the inner cylinder 502 is reduced to a round tube with a hollow inner part, the bottom of the round tube is provided with a middle discharge opening 508, an output shaft of the first servo motor 507 is rotatably connected with one end of the transmission mechanism, the other end of the transmission mechanism is rotatably connected with the round pipe, and a plurality of overflow holes are formed in the inner cylinder 502; the fixed bearing 503 is used for supporting the inner cylinder 502 and ensuring the normal rotation of the inner cylinder 502; first servo motor 507 provides power for the rotation of inside barrel 502, and first servo motor 507 drives middle discharge opening 508 through drive mechanism and rotates when rotating, and then inside barrel 502 is rotatory. The transmission mechanism adopts a belt wheel for transmission.
The hot air drying device 6 comprises a box body 601, a first conveyor belt 602, a second conveyor belt 603 and a hot air blower 604, wherein the first conveyor belt 602 is arranged inside the box body 601 through a first driving shaft 605 and a first driven shaft 606, the first driving shaft 605 and the first driven shaft 606 penetrate through the box body 601 and are movably connected with the box body 601, the first driving shaft 605 is connected with a second servo motor 607, and the second servo motor 607 is fixedly arranged outside the box body 601; the second conveyor belt 603 is arranged inside the box 601 through a second driving shaft 608 and a second driven shaft 609, the second driving shaft 608 and the second driven shaft 609 penetrate through the box 601 and are movably connected with the box 601, the second driving shaft 608 is connected with a third servo motor 610, and the third servo motor 610 is fixedly arranged on the outer side of the box 601; the first driven shaft 606 is positioned on the upper side of the second conveyor belt 603; the plurality of air heaters 604 are fixed on the box 601, air openings of the air heaters face the first conveying belt 602 or the second conveying belt 603, and the discharge port 2 is arranged at the bottom of the box 601 and located on the lower side of the second driven shaft 609. The compost is discharged to the upper part of the first conveyor belt 602 through a middle discharge port 508 in the centrifugal dehydration device 5, the second servo motor 607 drives a first driving shaft 605 to rotate, and then the first conveyor belt 602 drives the compost to downwards transmit, when the compost in the first conveyor belt 602 passes through a first driven shaft 606, the compost falls onto the second conveyor belt 603, the third servo motor 610 drives a second driving shaft 608 to rotate, and then the second conveyor belt 603 drives the compost to downwards transmit; the hot air blower 604 blows hot air toward the compost to dry the compost.
In this embodiment, further, two fixed bearings 503 are provided, and a drain hole 504 is provided on the housing 501 adjacent to each fixed bearing 503. Under the action of centrifugal force, the moisture of the compost in the inner cylinder 502 is discharged out of the overflow hole, and the water discharged from the upper side of the fixed bearing 503 is discharged out of the centrifugal dehydrating device 5 through the water discharge hole 504.
In this embodiment, further, a water baffle 509 is fixedly disposed inside the housing 501, the water baffle 509 is disposed on the upper side of the fixing rod 505, the water baffle 509 is annular and is movably connected to the inner cylinder 502, the water baffle 509 is disposed in an inclined manner, a connection portion of the water baffle 509 and the inner cylinder 502 is higher than a connection portion of the housing 501, and a drainage hole 510 is disposed above the connection portion of the water baffle 509 and the housing 501. The water guard 509 is installed to be inclined so that water on the upper side of the water guard 509 is drained through the drain hole 510 in order to clean the inside water.
In this embodiment, further, an electric control valve is arranged inside the circular tube, the electric control valve is located above the middle discharge opening 508, the electric control valve, the first servo motor 507, the second servo motor 607 and the third servo motor 610 are all electrically connected to a PLC controller, and the PLC controller is fixedly arranged on the housing 501. The PLC controller is used to control the operating states of the electric control valve, the first servo motor 507, the second servo motor 607 and the third servo motor 610.
In this embodiment, further, the first conveyor belt 602 and the second conveyor belt 603 are both disposed obliquely, and the whole conveyor belt is in a figure of eight. The splayed design may allow the compost to pass from the first conveyor 602 to the second conveyor 603 for a second blow drying.
In this embodiment, further, the discharge port 2 is circular, and simultaneously the striker plate 7 is arranged above the discharge port 2, the striker plate 7 and the box 601 are fixedly connected. The striker plate 7 can ensure that compost is normally discharged and cannot be accumulated inside the box body 601.
In this embodiment, a plurality of exhaust holes are further disposed on the top surface of the box 601. The air and water vapor in the box body can be discharged in time through the exhaust holes.
In this embodiment, two rows of the air heaters 604 are further disposed and fixed on the opposite cases 601 of the first conveyor belt 602 and the second conveyor belt 603, and two air heaters 604 are disposed in each row. Two air heaters 604 are arranged in each row, so that the hot air coverage is larger, and the drying effect is better.
In this embodiment, further, the number of the support columns 3 is four, the number of the bottom plates 4 is two, and every two support columns 3 are fixedly connected to the same bottom plate 4.
The utility model discloses when using:
firstly, a PLC controller starts a first servo motor 507, a second servo motor 607 and a third servo motor 610 to enable a centrifugal dehydration device 5 and a hot air drying device 6 to start to operate; at this time, the first servo motor 507 drives the inner cylinder 502 to rotate at a high speed in the fixed bearing 503; the second servo motor 607 drives the first driving shaft 605 to rotate, and then the first conveyor belt 602 is driven from top to bottom; the third servo motor 610 drives the second driving shaft 608 to rotate, and the second conveyor belt 603 is driven from top to bottom;
secondly, the PLC controller controls the electric control valve to be closed, the compost enters the inner cylinder 502 of the centrifugal dehydration device 5 from the feeding hole 1, under the action of centrifugal force, the moisture in the compost is discharged out of the inner cylinder 502 through the overflow hole, and then is discharged out of the centrifugal dehydration device 5 through the water discharge hole 504 and the water draining hole 510 respectively; after a period of dehydration, the first servo motor 507 is closed, the PLC controller controls the electric control valve to be opened, and the compost enters the hot air drying device 6 through the middle discharge port 508 to be dried by hot air;
the compost firstly pours onto the first conveyor belt 602, moves downwards slowly under the drive of the first conveyor belt 602, is further dried by the action of hot air of the hot air fan 604 in the moving process, falls onto the second conveyor belt 603 through the first driven shaft 606 when reaching the bottommost part of the first conveyor belt 602, moves slowly under the drive of the second conveyor belt 603, and is dried again. The first conveyor belt 602 and the second conveyor belt 603 both move slowly, so that the retention time of the compost in the hot air drying device can be increased, and the drying effect is improved; when reaching the bottom of the second conveyor 603, the dried compost is discharged through the discharge opening 2 by the action of the striker plate 7.
The utility model is provided with a centrifugal dehydration device and a hot air drying device, wherein, the centrifugal dehydration device adopts centrifugal force to dehydrate, can dehydrate wet compost in a large range, and has good effect and high speed; the hot air drying device adopts the combination of an air heater and a conveyor belt for conveying compost, the air heater blows hot air to the compost, meanwhile, the conveyor belt drives the compost to move slowly, so that the retention time of the compost in the hot air drying device can be prolonged, the drying effect is better, and a plurality of exhaust holes are formed in the outer side of the box body and can discharge water vapor in the hot air drying device;
the compost is firstly dehydrated by a centrifugal dehydration device and then dried by a hot air drying device, so that the dehydration efficiency is improved, and the more dry compost can be obtained.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a earthworm is bred and uses compost dewatering device which characterized in that: comprises a centrifugal dehydration device (5), a hot air drying device (6), a feed inlet (1), a discharge outlet (2), a support column (3) and a bottom plate (4); the feeding hole (1) is directly arranged on a centrifugal dehydration device (5), the centrifugal dehydration device (5) is arranged on the upper side of the hot air drying device (6), the centrifugal dehydration device (5) is communicated with the hot air drying device (6), and the hot air drying device (6) is fixedly connected with the bottom plate (4) through a support column (3);
the centrifugal dehydration device (5) comprises a shell (501) and an inner cylinder (502), a fixed bearing (503) is arranged between the shell (501) and the inner cylinder (502), the fixed bearing (503) is fixed on the inner wall of the shell (501) and movably connected with the inner cylinder (502), a fixed rod (505) is fixedly arranged at the bottom of the shell (501), the fixed rod (505) is hollow and provided with a transmission mechanism, one end of the fixed rod (505) penetrates out of the shell (501), a first servo motor (507) is fixedly arranged at the bottom of the shell (501) through a motor base (506), the bottom diameter of the inner cylinder (502) is reduced to be an inner hollow circular tube, the bottom of the circular tube is a middle discharge opening (508), and an output shaft of the first servo motor (507) is rotatably connected with one end of the transmission mechanism, the other end of the transmission mechanism is rotatably connected with the round pipe, and a plurality of overflow holes are formed in the inner cylinder (502);
the hot air drying device (6) comprises a box body (601), a first conveyor belt (602), a second conveyor belt (603) and a hot air blower (604), wherein the first conveyor belt (602) is arranged inside the box body (601) through a first driving shaft (605) and a first driven shaft (606), the first driving shaft (605) and the first driven shaft (606) penetrate through the box body (601) and are movably connected with the box body (601), the first driving shaft (605) is connected with a second servo motor (607), and the second servo motor (607) is fixedly arranged on the outer side of the box body (601); the second conveyor belt (603) is arranged inside the box body (601) through a second driving shaft (608) and a second driven shaft (609), the second driving shaft (608) and the second driven shaft (609) penetrate through the box body (601) and are movably connected with the box body (601), the second driving shaft (608) is connected with a third servo motor (610), and the third servo motor (610) is fixedly arranged on the outer side of the box body (601); the first driven shaft (606) is located on the upper side of the second conveyor belt (603); the hot air blower (604) is provided with a plurality of air heaters which are fixed on the box body (601), air openings of the air heaters face the first conveying belt (602) or the second conveying belt (603), and the discharge opening (2) is formed in the bottom of the box body (601) and located on the lower side of the second driven shaft (609).
2. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the number of the fixed bearings (503) is two, and a drainage hole (504) is formed in the shell (501) adjacent to each fixed bearing (503).
3. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the utility model discloses a fixing device for fixing a water pump, including shell (501), shell (501) inside still fixed breakwater (509) that is provided with, breakwater (509) set up in the upside of dead lever (505), breakwater (509) are ring shape, and with inside barrel (502) swing joint, breakwater (509) slope sets up, and with the junction of inside barrel (502) be higher than with the junction of shell (501), breakwater (509) with the junction top of shell (501) is provided with one and drips hole (510).
4. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the inside automatically controlled valve that is provided with of pipe, the automatically controlled valve is located the top of middle discharge opening (508), the equal electric connection of automatically controlled valve, first servo motor (507), second servo motor (607) and third servo motor (610) has the PLC controller.
5. The dehydration apparatus for compost used for earthworm cultivation according to claim 4, wherein: the PLC controller is fixedly arranged on the shell (501).
6. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the first conveyor belt (602) and the second conveyor belt (603) are both obliquely arranged and are in a splayed shape.
7. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: discharge gate (2) are circular, simultaneously the top of discharge gate (2) is provided with striker plate (7), striker plate (7) with box (601) fixed connection.
8. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the top surface of the box body (601) is also provided with a plurality of exhaust holes.
9. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the hot air blower (604) is provided with two rows which are respectively fixedly arranged on the opposite box bodies (601) of the first conveyor belt (602) and the second conveyor belt (603), and two hot air blowers (604) are arranged in each row.
10. The dehydration apparatus for compost used for earthworm cultivation according to claim 1, wherein: the supporting columns (3) are four, the bottom plate (4) is provided with two supporting columns (3), and every two supporting columns (3) are fixedly connected with the same bottom plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236109.XU CN210425788U (en) | 2019-08-01 | 2019-08-01 | Earthworm is bred and uses compost dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236109.XU CN210425788U (en) | 2019-08-01 | 2019-08-01 | Earthworm is bred and uses compost dewatering device |
Publications (1)
| Publication Number | Publication Date |
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| CN210425788U true CN210425788U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921236109.XU Active CN210425788U (en) | 2019-08-01 | 2019-08-01 | Earthworm is bred and uses compost dewatering device |
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| CN (1) | CN210425788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284044A (en) * | 2020-10-29 | 2021-01-29 | 李春群 | High-efficient circulating dehydration drying equipment of sweet potato strip |
-
2019
- 2019-08-01 CN CN201921236109.XU patent/CN210425788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284044A (en) * | 2020-10-29 | 2021-01-29 | 李春群 | High-efficient circulating dehydration drying equipment of sweet potato strip |
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