CN214391131U - Tobacco leaf fragment sorting, impurity removing and recycling equipment - Google Patents

Tobacco leaf fragment sorting, impurity removing and recycling equipment Download PDF

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Publication number
CN214391131U
CN214391131U CN202120157049.3U CN202120157049U CN214391131U CN 214391131 U CN214391131 U CN 214391131U CN 202120157049 U CN202120157049 U CN 202120157049U CN 214391131 U CN214391131 U CN 214391131U
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China
Prior art keywords
winnowing
impurity
machine
belt conveyor
impurity removing
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CN202120157049.3U
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Chinese (zh)
Inventor
杨俊�
王兴洪
夏成勇
宋昆斌
吴丛礼
马红萍
吕正永
董林昆
樊桂平
滕自岗
陈南
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Hood Accessories Factory State-Owned Yunnan Machine No3 Factory
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Hood Accessories Factory State-Owned Yunnan Machine No3 Factory
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Abstract

The utility model relates to the technical field of tobacco processing, in particular to a tobacco fragment sorting, impurity removing and recycling device which comprises a manual feeding belt conveyor, a first-stage vibrating screen classifier connected with the outlet of the manual feeding belt conveyer, a winnowing and impurity removing feeding belt conveyer connected with the outlet of the first-stage vibrating screen classifier, a winnowing impurity remover connected with the outlet of the winnowing impurity removing feeding belt conveyer, an impurity removing tangential blanking device connected with the impurity outlet at the upper end of the winnowing impurity remover, an electrostatic eliminating device connected with a sundries outlet at the lower end of the winnowing impurity remover, a winnowing machine connected with the electrostatic eliminating device, the sorting tangential blanking device is connected with a first discharge port arranged at the upper end of the winnowing machine, the low-speed manual sorting belt conveyor is connected with a discharge hopper at the lower end of the winnowing machine, the hemp thread removing machine is arranged below the sorting tangential blanking device, and the second-stage vibrating screening machine is connected with the hemp thread removing machine. The utility model provides the edulcoration rate and the availability of garrulous leaf of tobacco flake have been promoted.

Description

Tobacco leaf fragment sorting, impurity removing and recycling equipment
Technical Field
The utility model relates to a tobacco leaf processing technology field especially relates to a edulcoration recovery plant is selected separately to tobacco leaf piece.
Background
The threshing and redrying raw tobacco needs to be manually sorted into different grades so as to meet the requirements of a homogenization formula. During the sorting process, tobacco leaves are crushed due to the procedures of conveying, selecting, framing and the like, and about 1% of tobacco leaf fragments are generated. The fragments are collected by manual cleaning, so that the fragments cannot be mixed with impurities such as dust, soil, hemp and the like. The broken tobacco flakes are difficult to utilize, and waste is caused.
Most of the existing processing modes adopt manual work to pick the collected fragments again and then add the fragments into a corresponding formula module. The increase of manual demand is caused like this, selects inefficiency, but piece low-usage and select in-process debris to reject unclean and bring the problem of handling difficulty etc. for the subsequent handling. Or impurity removal equipment is adopted, but the existing impurity removal equipment has low impurity removal rate on the tobacco leaves, particularly lighter and smaller impurities are difficult to remove thoroughly, so that the tobacco leaves can only be degraded or discarded, partial tobacco leaf fragments are wasted, and the production cost is greatly increased.
Disclosure of Invention
The features and advantages of the present invention are set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
In order to overcome the problems of the prior art, the utility model provides a tobacco leaf fragment sorting, impurity-removing and recycling device, which comprises an artificial feeding belt conveyer, a first-stage vibrating screening machine connected with the outlet of the artificial feeding belt conveyer, an air separation, impurity-removing and feeding belt conveyer connected with the outlet of the first-stage vibrating screening machine, an air separation, impurity-removing and feeding belt conveyer connected with the outlet of the air separation, impurity-removing tangential blanking device connected with the impurity outlet at the upper end of the air separation, an electrostatic eliminating device connected with the impurity outlet at the lower end of the air separation, an air separation machine connected with the electrostatic eliminating device, a sorting tangential blanking device connected with a first discharge port arranged at the upper end of the air separation machine, a slow-speed artificial picking belt conveyer connected with a discharge hopper at the lower end of the air separation, a hemp thread eliminating machine arranged below the sorting tangential blanking device, and a second-stage vibrating screening machine connected with the hemp thread eliminating machine, and the electric control system is used for controlling each device to automatically operate.
Preferably, the device also comprises a hemp thread removing and discharging belt conveyor which is arranged below the hemp thread removing machine and connected with the second-stage vibration screening machine.
Preferably, the device also comprises a cyclone dust collector connected with the sorting tangential blanking device through an air pipe, and a fan connected with the cyclone dust collector through the air pipe.
Preferably, the dust collector also comprises at least one dust collection cover which is arranged at the joint of the adjacent mechanisms and is connected with the cyclone dust collector through an air pipe.
Preferably, the winnowing impurity remover comprises a winnowing impurity remover body, a feeding port connected with an outlet of a winnowing impurity removing feeding belt conveyor, a material throwing mechanism arranged below the feeding port, a winnowing bin connected with the material throwing mechanism, a sundry discharge port arranged above the winnowing impurity remover body and connected with an impurity removing tangential blanking device through an air pipe, and a winnowing bin mesh belt used for collecting tobacco leaves, tobacco stems and sundries and connected with the electrostatic eliminating device.
Preferably, the static eliminating device comprises a static eliminating belt conveyor connected with the winnowing impurity remover, a static generator arranged above the static eliminating belt conveyor, a second discharge hole arranged at the end part of the static eliminating belt conveyor, a static eliminator arranged between an upper layer belt and a lower layer belt of the static eliminating belt conveyor, a sundry discharge hopper arranged below the static eliminating belt conveyor, and a row brush arranged on the static eliminating belt conveyor and used for cleaning sundries into the sundry discharge hopper.
Preferably, the second-stage vibrating screening machine is a three-layer vibrating screening machine.
The utility model has the advantages that: the utility model provides an artifical intensity of labour who appears in the current production is big, select inefficiency, but the piece low-usage and select in-process debris to reject unclean and bring the difficulty scheduling problem of handling for subsequent handling, solved the problem that can't get rid of light little debris among the existing equipment simultaneously, promoted the edulcoration rate of tobacco leaf broken piece greatly, promoted the availability ratio of tobacco leaf piece, reduced the tobacco leaf cost of manufacture, use manpower more simultaneously, reduced personnel's intensity of labour, market prospect is wider.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
FIG. 1 is a schematic view of a tobacco fragment sorting, impurity removing and recycling device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a winnowing and impurity-removing machine of a tobacco leaf fragment sorting, impurity-removing and recycling device according to an embodiment of the present invention;
fig. 3 is a schematic view of an electrostatic eliminating device of a tobacco leaf fragment sorting, impurity removing and recycling device according to an embodiment of the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
a manual feeding belt conveyor-100, a first-stage vibrating screening machine-200, a winnowing impurity-removing feeding belt conveyor-300, a winnowing impurity-removing machine-400, a winnowing impurity-removing machine body-410, a feeding port-420, a throwing mechanism-430, a winnowing bin-440, a sundry discharging port-450, a winnowing bin net belt-460, an impurity-removing tangential blanking device-500, an electrostatic eliminating device-600, an electrostatic eliminating belt conveyor-610, an electrostatic generator-620, an electrostatic eliminator-630, a sundry discharging hopper-640, a row brush-650, a second discharging port-660, a winnowing machine-700, a sorting tangential blanking device-800, a slow-speed manual picking belt conveyor-900, a hemp silk eliminating machine-1000, a hemp silk eliminating discharging belt conveyor-1010 and a second-stage vibrating screening machine-1100, cyclone-1200, fan-1300, dust hood-1400, wind pipe-1500.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in FIG. 1, the utility model provides a tobacco leaf fragment sorting, impurity-removing and recycling device, which is characterized in that the device comprises a manual feeding belt conveyor 100, a first stage vibration screening machine 200 connected with the outlet of the manual feeding belt conveyor 100, an air separation, impurity-removing and feeding belt conveyor 300 connected with the outlet of the first stage vibration screening machine 200, an air separation, impurity-removing machine 400 connected with the outlet of the air separation, impurity-removing tangential blanker 500 connected with the impurity outlet at the upper end of the air separation, impurity-removing electrostatic eliminating device 600 connected with the impurity outlet at the lower end of the air separation, impurity-removing electrostatic eliminating device 600, air separation machine 700 connected with the electrostatic eliminating device 600, sorting tangential blanker 800 connected with the first discharge port at the upper end of the air separation machine 700, a slow manual picking belt conveyor 900 connected with the discharge hopper at the lower end of the air separation machine 700, a hemp thread eliminating machine 1000 arranged below the sorting tangential blanker 800, a second-stage vibrating screen machine 1100 connected with the hemp thread removing machine 1000, and an electric control system for controlling the automatic operation of each device. The dust and light and small impurities (feather, plush, hemp thread and the like) are primarily removed by the winnowing impurity remover 400, so that the impurity removal rate of the tobacco leaves is improved, the quality of the tobacco leaves is improved, and the production cost is reduced. The light and small hemp threads and the sundries fragments are further removed through the electrostatic removing device 600, so that the impurity removal rate and the utilization rate of the tobacco leaves are greatly improved.
Further, still including locating the ejection of compact belt feeder 1010 is rejected to the hemp silk that the below of machine 1000 is rejected to the hemp silk and be connected with second grade vibration screening machine 1100 to be connected with second grade vibration screening machine 1100, prevent dropping of tobacco leaf.
Further, a cyclone 1200 connected to the sorting tangential downer 800 through an air duct 1500, and a blower 1300 connected to the cyclone 1200 through the air duct 1500 are also included. Under the action of the wind field in the cyclone dust collector 1200, the dust is discharged from the outlet at the lower end of the cyclone dust collector 1200 and is bagged, so that the tobacco fragments are purified more thoroughly, and the pollution to the working environment is avoided.
Further, the dust collector comprises at least one dust hood 1400 which is arranged at the joint of adjacent mechanisms and is connected with the cyclone dust collector 1200 through an air pipe 1500. Impurities such as dust generated in the impurity removing process of tobacco fragments are sucked away through the dust collection cover 1400, and the pollution to the working environment is reduced.
Further, the winnowing and impurity removing machine 400 comprises a winnowing and impurity removing machine body 410, a feeding port 420 connected with an outlet of the winnowing and impurity removing feeding belt conveyor 300, a material throwing mechanism 430 arranged below the feeding port 420, a winnowing bin 440 connected with the material throwing mechanism 430, a sundry discharging port 450 arranged above the winnowing and impurity removing machine body 410 and connected with the impurity removing tangential blanking device 500 through an air pipe 1500, and a winnowing bin mesh belt 460 used for collecting tobacco leaves, tobacco stems and sundries and connected with the electrostatic eliminating device 600.
Further, the electrostatic eliminating device 600 includes a static eliminating belt conveyer 610 connected with the winnowing impurity remover 400, a static generator 620 arranged above the static eliminating belt conveyer 610, a second discharge port 660 arranged at the end of the static eliminating belt conveyer 610, a static eliminator 630 arranged between an upper belt and a lower belt of the static eliminating belt conveyer 610, a sundry discharge hopper 640 arranged below the static eliminating belt conveyer 610, and a row brush 650 arranged on the static eliminating belt conveyer 610 and used for cleaning sundries into the sundry discharge hopper 640. During actual use, tobacco leaves, tobacco stems and impurities are conveyed to the electrostatic eliminating device 600, the electrostatic eliminating belt conveyor 610 conveys the impurities such as the tobacco leaves and the hemp threads to an electrostatic field below the electrostatic generator 620, the impurities such as the hemp threads are charged with static electricity through the electrostatic field and adsorbed onto the conveying belt of the electrostatic eliminating belt conveyor 610, the conveying belt moves forwards in the forward direction and reaches the second discharge port 660 of the electrostatic eliminating belt conveyor 610, and the impurities with heavy weights of the tobacco leaves, the tobacco stems and the impurities with heavy weights directly fall off from the conveying belt and fall into the air separator 700 under the action of gravity; the light hemp threads are still attached to the conveying belt of the electrostatic eliminating belt conveyor 610 and move to the electrostatic eliminator 630 arranged between the upper layer belt and the lower layer belt of the electrostatic eliminating belt conveyor 610, and impurities such as the light hemp threads fall off from the belt due to the action of gravity after being eliminated from static electricity and freely fall into the impurity discharging hopper 640 arranged below the electrostatic eliminating belt conveyor 610 for bagging treatment. The sundry fragments which do not fall off are forcibly separated from the belt by the row brush 650 and fall into the sundry discharge hopper 640 below for bagging treatment.
Further, the second stage vibratory screening machine 1100 is a three-layer vibratory screening machine. The mesh number of the second-stage vibrating screen can be adjusted according to the size of the actual tobacco fragments. The screened tobacco flakes are divided into three types by a three-layer vibrating screen classifier, and the tobacco flakes with larger leaf specification directly come out from an upper layer discharge port of a second-stage vibrating screen and are bagged (or crated); the tobacco flakes with medium leaf specification come out from a discharge hole in the middle layer of the second-stage vibrating screen and are bagged (or crated); and (3) discharging the tobacco flakes with smaller leaf specifications from a discharge port at the bottommost layer of the second-stage vibrating screen, and bagging (or basketing) the tobacco flakes. The collected qualified tobacco flakes are intensively placed for standby. The tobacco leaf fragments are graded by the three-layer vibrating screening machine, so that the tobacco leaves with different sizes can be added into different formulas according to the formula requirements in the subsequent processing flow, the processing efficiency is improved, the tobacco making flow is simplified, and the tobacco making cost is reduced.
Further, the electronic control system is preferably a PLC controller, and the PLC controller is preferably of a type Simatics 7-300. The utility model discloses it is holistic tobacco leaf piece that weighs in the protection selects separately edulcoration recovery plant's structural design to do not relate to the improvement to the procedure, electrical system is very easy to realize to the control program of each mechanism of this device, and the technical staff in the field can all utilize PLC basic knowledge to design out PLC control program under the designing requirement of learning the motion stroke.
During the in-service use, the tobacco leaf piece that produces after artifical the selection is unified to be cleaned by the manual work and is collected, concentrates to transport the production site, and the manual work is added to on the reinforced band conveyer 100 of manual work to simply pave, pave the tobacco leaf piece of certain thickness and follow reinforced band conveyer 100 of manual work and carry on first order vibration screening machine 200. First order vibration screening machine 200 is double-deck vibration screening machine, is less than the screening of 6mm garrulous offal, dust, earth etc. after the screening and sieves the sieve lower floor that shakes, directly discharges by lower floor's discharge gate, and the bagging-off is handled. The tobacco fragments can be output from the upper outlet of the first-stage vibrating screen 200, fall onto the air separation impurity removal feeding belt conveyor 300, then are conveyed to the air separation impurity removal machine 400, enter the material throwing mechanism 430 through the material inlet 420, are thrown into the air separation bin 440 under the action of the material throwing mechanism 430, and under the action of the wind field of the air separation bin 440, dust and light and small impurities (feather, plush, hemp and the like) flow to the upper part of the air separation bin 440 along the wind field, and enter the impurity removal tangential blanking device 500 from the impurity discharge port arranged at the upper part and through the air pipe 1500. Wherein, the dust is discharged into the cyclone dust collector 1200 from the holes of the screen cylinder of the impurity removal tangential blanking device 500, and is directly discharged from the outlet at the lower end of the cyclone dust collector 1200 under the action of the wind field in the cyclone dust collector 1200, and is bagged; and the hemp thread sundries are discharged from the outlet at the lower end of the impurity removing tangential blanking device 500 and are bagged. The tobacco leaves, the tobacco stems, the impurities doped with hemp threads and the like with large weight directly fall onto the mesh belt 460 of the air separation bin, the tobacco leaves are conveyed to the electrostatic eliminating device 600 through the electrostatic eliminating belt conveyor 610, the tobacco leaves are conveyed to an electrostatic field below the electrostatic generator 620, the tobacco leaves, the impurities and the like are charged with static electricity through the electrostatic field, are adsorbed onto the conveying belt of the electrostatic eliminating belt conveyor 610 and move forwards along with the conveying belt in the forward direction to reach a second discharge port 660 of the electrostatic eliminating belt conveyor 610, and the tobacco leaves, the tobacco stems and the impurities with large weight directly fall off from the conveying belt under the action of gravity and fall into the air separator 700; the light hemp threads still adhere to the conveying belt of the electrostatic eliminating belt conveyor 610 due to the fact that the weight is small, the gravity is small, the light hemp threads move to the electrostatic eliminator 630 arranged between the upper layer belt and the lower layer belt of the electrostatic eliminating belt conveyor 610 along with the conveying belt, sundries such as the light hemp threads fall off from the belt due to the action of gravity after being eliminated in the electrostatic eliminator, and the sundries fall into the sundries discharging hopper 640 below freely under the belt, and are bagged. The sundries fragments which do not fall off are cleaned by the row brush 650 and forcibly separated from the belt and fall into the sundries discharging hopper 640 below for bagging treatment. The tobacco leaves, the tobacco stems and the sundries with large weight which fall into the winnowing machine 700 enter the material throwing mechanism 430 through the material inlet 420, are thrown into the winnowing bin 440 under the action of the material throwing mechanism 430, the tobacco stems and the sundries with large weight in the tobacco fragments directly fall onto the low-speed manual picking belt conveyor 900 from the outlet at the lower end of the winnowing bin 440 under the action of the wind field of the winnowing bin 440, and are bagged and collected on the low-speed manual picking belt conveyor 900 to be processed by a threshing line after being manually picked. The tobacco leaves, dust and light and small impurities (feather, plush, hemp thread and the like) flow to the upper part of the air separator 700 along the wind field, enter the air pipe 1500 from a third discharge port above the air separator 700 and enter the sorting tangential blanking device 800 through the air pipe 1500. Wherein, the dust is directly conveyed into the cyclone dust collector 1200 from the holes of the screen cylinder of the sorting tangential blanking device 800, is discharged from the outlet at the lower end of the cyclone dust collector 1200 under the action of the wind field in the cyclone dust collector 1200, and is bagged; and the tobacco fragments are discharged from the lower outlet of the sorting tangential feeder 800 and fall onto the hemp thread remover 1000 below. Under the action of the hemp thread roller of the hemp thread remover 1000, impurities such as feathers, plush, hemp threads and the like in the tobacco fragments are removed. After falling into the hemp thread removing and discharging belt conveyor 1010 below, the tobacco fragments are directly conveyed to a second-stage vibrating screening machine 1100, and are classified and subpackaged through the second-stage vibrating screening machine 1100.
The utility model provides an artifical intensity of labour who appears in the current production is big, select inefficiency, but the piece low-usage and select in-process debris to reject unclean and bring the difficulty scheduling problem of handling for subsequent handling, solved the problem that can't get rid of light little debris among the existing equipment simultaneously, promoted the edulcoration rate of tobacco leaf broken piece greatly, promoted the availability ratio of tobacco leaf piece, reduced the tobacco leaf cost of manufacture, use manpower more simultaneously, reduced personnel's intensity of labour, market prospect is wider.
The preferred embodiments of the present invention have been described with reference to the accompanying drawings, and those skilled in the art can implement the present invention in various modifications without departing from the scope and spirit of the present invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.

Claims (7)

1. A tobacco leaf fragment sorting, impurity removing and recycling device is characterized by comprising an artificial feeding belt conveyor, a first-stage vibrating screening machine connected with an outlet of the artificial feeding belt conveyor, a winnowing, impurity removing and feeding belt conveyor connected with an outlet of the first-stage vibrating screening machine, a winnowing, impurity removing machine connected with an outlet of the winnowing, impurity removing tangential blanking device connected with an impurity outlet at the upper end of the winnowing, impurity removing static eliminating device connected with an impurity outlet at the lower end of the winnowing, a winnowing machine connected with the static eliminating device, a sorting tangential blanking device connected with a first discharge port arranged at the upper end of the winnowing machine, a slow-speed artificial picking belt conveyor connected with a discharge hopper at the lower end of the winnowing machine, a hemp silk eliminating machine arranged below the sorting tangential blanking device, and a second-stage vibrating screening machine connected with the hemp silk eliminating machine, and the electric control system is used for controlling each device to automatically operate.
2. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 1, further comprising a hemp thread removing and discharging belt conveyor which is arranged below the hemp thread removing machine and connected with a second-stage vibrating screening machine.
3. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 1, further comprising a cyclone dust collector connected with the sorting tangential blanking device through an air pipe, and a fan connected with the cyclone dust collector through an air pipe.
4. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 3, further comprising at least one dust collection hood which is arranged at the joint of adjacent mechanisms and connected with the cyclone dust collector through an air pipe.
5. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 1, wherein the winnowing and impurity removing machine comprises a winnowing and impurity removing machine body, a feeding port connected with an outlet of a winnowing and impurity removing feeding belt conveyor, a material throwing mechanism arranged below the feeding port, a winnowing bin connected with the material throwing mechanism, a impurity discharging port arranged above the winnowing and impurity removing machine body and connected with an impurity removing tangential blanking device through an air pipe, and a winnowing bin mesh belt used for collecting tobacco leaves, tobacco stems and impurities and connected with the electrostatic eliminating device.
6. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 1, wherein the static removing device comprises a static removing belt conveyor connected with the winnowing impurity removing machine, a static generator arranged above the static removing belt conveyor, a second discharge port arranged at the end part of the static removing belt conveyor, a static eliminator arranged between an upper layer belt and a lower layer belt of the static removing belt conveyor, a impurity discharge hopper arranged below the static removing belt conveyor, and a row brush arranged on the static removing belt conveyor and used for cleaning impurities into the impurity discharge hopper.
7. The tobacco leaf fragment sorting, impurity removing and recycling device according to claim 1, wherein the second-stage vibrating screen machine is a three-layer vibrating screen machine.
CN202120157049.3U 2021-01-20 2021-01-20 Tobacco leaf fragment sorting, impurity removing and recycling equipment Active CN214391131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120157049.3U CN214391131U (en) 2021-01-20 2021-01-20 Tobacco leaf fragment sorting, impurity removing and recycling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120157049.3U CN214391131U (en) 2021-01-20 2021-01-20 Tobacco leaf fragment sorting, impurity removing and recycling equipment

Publications (1)

Publication Number Publication Date
CN214391131U true CN214391131U (en) 2021-10-15

Family

ID=78047369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120157049.3U Active CN214391131U (en) 2021-01-20 2021-01-20 Tobacco leaf fragment sorting, impurity removing and recycling equipment

Country Status (1)

Country Link
CN (1) CN214391131U (en)

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