CN111331759A - Secondary winnowing type waste film and cotton stalk separating device - Google Patents

Secondary winnowing type waste film and cotton stalk separating device Download PDF

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Publication number
CN111331759A
CN111331759A CN202010178723.6A CN202010178723A CN111331759A CN 111331759 A CN111331759 A CN 111331759A CN 202010178723 A CN202010178723 A CN 202010178723A CN 111331759 A CN111331759 A CN 111331759A
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CN
China
Prior art keywords
membrane
film
stage
level
cotton stalk
Prior art date
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Pending
Application number
CN202010178723.6A
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Chinese (zh)
Inventor
汤修映
牛长河
石鑫
王学农
蒋永新
刘旋峰
杨会民
张丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Agricultural University
Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences
Original Assignee
China Agricultural University
Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences
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Filing date
Publication date
Application filed by China Agricultural University, Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences filed Critical China Agricultural University
Priority to CN202010178723.6A priority Critical patent/CN111331759A/en
Publication of CN111331759A publication Critical patent/CN111331759A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06—Feeding or discharging arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B2017/001—Pretreating the materials before recovery
    • B29B2017/0021—Dividing in large parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0234—Mechanical separating techniques; devices therefor using gravity, e.g. separating by weight differences in a wind sifter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Secondary selection by winnowing formula waste film and cotton stalk separator, including feeder hopper, frame, its characterized in that: a shearing mechanism is arranged for shearing and crushing the materials to be separated; a feed hopper is arranged above the shearing mechanism; the lower part of the shearing mechanism is connected with a primary membrane and impurity separating mechanism and a secondary membrane and impurity separating mechanism which are used for unfolding the waste mulching films and cotton stalks and sucking out the waste mulching films through a fan air pipe and a membrane conveying pipe by utilizing negative pressure; arranging a film collecting box for collecting the sucked waste mulching films; the first-stage membrane impurity separating mechanism and the second-stage membrane impurity separating mechanism are mounted on the frame, the cotton stalk conveying belt is arranged under the second-stage membrane impurity separating mechanism, holes are formed in the cotton stalk conveying belt, sandy soil can fall conveniently in the conveying process, and the sandy soil conveying belt is mounted below the cotton stalk conveying belt. The invention has simple structure, low manufacturing cost and less failure rate, and can effectively realize the separation of the waste mulching films and the cotton stalks.

Description

Secondary winnowing type waste film and cotton stalk separating device
Technical Field
The invention relates to a separating device, in particular to a device for separating waste mulching films from cotton stalks, and belongs to the technical field of agricultural machinery.
Background
The plastic film mulching cultivation technology which is praised as the agricultural 'white revolution' brings economic benefit to agricultural production, and also causes serious 'white pollution' to the ecological environment, a large amount of waste plastic films are remained on the soil surface and the plough layer, the supply of water and fertilizer of crop roots, seed germination and crop growth are influenced, and the soil structure and the ecological environment are deteriorated. At present, the mechanized recovery technology and equipment of waste mulching films are widely applied, the problem that the mulching films are cleaned from cotton field soil is effectively solved, the recovered waste mulching films contain a large amount of cotton stalks, soil and other impurities, and due to the fact that efficient waste mulching film and cotton stalk separation equipment is not available, the recovered waste mulching films cannot be directly reused, and most of the waste mulching films are randomly stacked, buried and burned or flow into the field again, and secondary pollution is caused to the environment. The waste mulching film is a renewable resource, can be used for processing plastic particles, reproducing agricultural films, manufacturing fertilizer packaging bags, garbage bags, agricultural renewable water pipes and the like, and is discarded at will to cause resource waste.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a secondary winnowing type waste film and cotton stalk separation device, which is used for separating impurities such as waste mulching films, cotton stalks and the like which are mechanically recycled, and recycling of the waste mulching films is realized. Meanwhile, the pollution of the waste mulching films to the cotton field environment is fundamentally solved.
The purpose of the invention is realized as follows: secondary selection by winnowing formula waste film and cotton stalk separator, including feeder hopper, frame, its characterized in that: a shearing mechanism is arranged for shearing and crushing the materials to be separated; a feed hopper is arranged above the shearing mechanism; the lower part of the shearing mechanism is connected with a primary membrane and impurity separating mechanism and a secondary membrane and impurity separating mechanism which are used for unfolding the waste mulching films and cotton stalks and sucking out the waste mulching films through a fan air pipe and a membrane conveying pipe by utilizing negative pressure; arranging a film collecting box for collecting the sucked waste mulching films; the first-stage membrane impurity separating mechanism and the second-stage membrane impurity separating mechanism are mounted on the frame, the cotton stalk conveying belt is arranged under the second-stage membrane impurity separating mechanism, holes are formed in the cotton stalk conveying belt, sandy soil can fall conveniently in the conveying process, and the sandy soil conveying belt is mounted below the cotton stalk conveying belt.
The object of the invention is also achieved in that: the first-stage membrane impurity separating mechanism and the second-stage membrane impurity separating mechanism are arranged longitudinally, the first-stage membrane impurity separating mechanism is located right above the second-stage membrane impurity separating mechanism, and the second-stage membrane impurity separating mechanism is installed on the rack.
The shearing mechanism comprises a shearing part, a group of double-roller type shearing cutter shafts are arranged in the shearing part, and shearing blades are arranged on the shearing cutter shafts.
The primary membrane impurity separation mechanism comprises a primary membrane impurity separation box, and at least two primary membrane turning rollers are arranged in the primary membrane impurity separation box; film turning rods I are uniformly distributed on the first-stage film turning rollers, and the film turning rods I on two adjacent first-stage film turning rollers are arranged in a staggered mode; the miscellaneous separator box of one-level membrane one side below sets up the one-level and goes out the membrane mouth, and the one-level goes out the membrane mouth and inhales membrane cover one side mouth with the one-level and links to each other, and the one-level is inhaled membrane cover opposite side mouth and is connected the one-level tuber pipe, and fan I is connected to the one-level tuber pipe, and the one-level is inhaled the last side mouth connection one-level of membrane cover and is failed the membrane pipe, and the one.
The miscellaneous separator box of one-level membrane in be close to one-level and turn over the membrane roller outside and set up a set of arc and get membrane tooth I, the arc is got membrane tooth I and is turned over membrane pole staggered arrangement that turns over on the membrane roller with this one-level for the old and useless plastic film that will twine on this one-level turns over the membrane roller and comb and fall.
The secondary membrane impurity separation mechanism comprises a secondary membrane impurity separation box, and at least four secondary membrane turning rollers are arranged in the secondary membrane impurity separation box; film turning rods II are uniformly distributed on the second-stage film turning rollers, and the film turning rods II on two adjacent second-stage film turning rollers are arranged in a staggered mode; the miscellaneous separator box of second grade membrane one side below sets up the second grade and goes out the membrane mouth, and the second grade goes out the membrane mouth and inhales membrane cover one side mouth with the second grade and links to each other, and the second grade is inhaled membrane cover opposite side mouth and is connected the second grade tuber pipe, and the fan II is connected to the second grade tuber pipe, and the second grade is inhaled the side mouth connection second grade of membrane cover and is failed the membrane pipe, and second grade is failed the membrane pipe and is linked to each.
The two-stage film-impurity separating box is internally provided with a group of arc film-taking teeth II near the two-stage film outlet and arranged outside the two-stage film-turning roller, and the arc film-taking teeth II and the film-turning rods II on the two-stage film-turning roller are arranged in a staggered manner and used for combing the waste mulching films wound on the two-stage film-turning roller.
The invention has the beneficial effects that: the secondary winnowing type waste film and cotton stalk separating device is simple in structure, low in manufacturing cost and low in failure rate, and the shearing part cuts off long-strip-shaped waste mulching films and cotton stalks which are mutually wound together, so that the waste mulching films and the cotton stalks are conveniently separated; during the one-level separation, two syntropy clockwise rotation's one-level turn over membrane pole I on the membrane roller and pick up the material that waits to separate after shearing, and turn to the one-level membrane miscellaneous separator box right side below one-level membrane mouth department continuously, the one-level goes out the membrane mouth and inhales membrane cover left side mouth with the one-level and is connected, form the negative pressure in the membrane cover is inhaled to the one-level under the effect of fan I, because old and useless plastic film density is little, the quality is light, the suspension speed is minimum, go out the membrane mouth suction with old and useless plastic film from the one-level of the miscellaneous separator box of one-level membrane under wind-force effect, the last side mouth that covers through the one-level is inhaled and is carried. A set of arc that membrane tooth I and the one-level on the right turn over the membrane roller and turn over I staggered arrangement of membrane pole of turning over of membrane roller is got to one-level turn over membrane roller right side setting, and old and useless plastic film and cotton stalk turn over the membrane roller and finally turn over to the one-level on the right through the one-level and turn over the membrane roller and fall down in succession, and the arc is got membrane tooth I and will twine the old and useless plastic film comb on the one-level on the right and. During the second grade separation, the cotton stalk after the miscellaneous separation of one-level membrane is picked up to membrane turning rod II on the membrane roller is turned over to four syntropy anticlockwise second grade of rotation, sand and unseparated material, and the second grade that turns to second grade membrane miscellaneous separator box left side below is gone out the membrane mouth department in succession, second grade is gone out the membrane mouth and is inhaled membrane cover right side mouth with the second grade and be connected, form the negative pressure in the second grade is inhaled the membrane cover under fan II's effect, go out the membrane mouth suction with old and useless plastic film from the second grade of second grade membrane miscellaneous separator box, carry to the defeated membrane pipe of second grade through the last side mouth that the membrane was inhaled to the second grade, also send to the collection membrane case at last, the cotton stalk of separating out is exported from the cotton stalk conveyer belt, the sand drops to the sand conveyer belt.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a secondary air separation type waste film and cotton stalk separation device.
FIG. 2 is a partial sectional view of an embodiment of the secondary air separation type waste film and cotton stalk separation device of the invention.
FIG. 3 is a schematic view of the wind direction in the primary film suction cover of the secondary winnowing type waste film and cotton stalk separation device.
FIG. 4 is a schematic view of the wind direction in the secondary film suction cover of the secondary winnowing type waste film and cotton stalk separation device.
FIG. 5 is a schematic structural view of a primary film turning roller of the secondary air separation type waste film and cotton stalk separation device.
FIG. 6 is a schematic structural view of a secondary film turning roller of the secondary air separation type waste film and cotton stalk separation device.
In the figure, 1 is a feeding hopper, 2 is a shearing part, 3 is a shearing cutter shaft, 4 is a primary membrane and impurity separation box, 5 is a secondary membrane conveying pipe, 6 is a secondary membrane suction cover, 7 is a secondary membrane and impurity separation box, 8 is a secondary air pipe, 9 is a secondary membrane outlet, 10 is a sandy soil conveying belt, 11 is a fan II, 12 is a rack, 13 is a primary air pipe, 14 is a fan I, 15 is a primary membrane suction cover, 16 is a cotton stalk conveying belt, 17 is a primary membrane outlet, 18 is a primary membrane conveying pipe, 19 is a membrane collecting box, 20 is a shearing blade, 21 is a primary membrane turning roller, 22 is a membrane turning rod I, 23 is a secondary membrane turning roller, 24 is a membrane turning rod II, 25 is an arc membrane taking tooth I, 26 is an arc membrane taking tooth II.
Detailed Description
Embodiments of the invention are further described below with reference to the accompanying drawings:
a secondary winnowing type waste film and cotton stalk separating device is composed of a feeding hopper, a shearing mechanism, a primary film impurity separating mechanism, a secondary film impurity separating mechanism, a cotton stalk conveying belt, a sandy soil conveying belt and a rack.
The concrete structure is as follows: a shearing mechanism: the shearing part 2 is positioned under the feed hopper 1, a group of roll-type shearing cutter shafts 3 are arranged in the shearing part 2, and shearing blades 20 are arranged on the shearing cutter shafts 3 and used for shearing and crushing a mixed material of waste mulching films and cotton stalks to be separated.
The first-stage membrane impurity separation mechanism comprises: the primary membrane impurity separation box 4 is positioned under the shearing part 2, two primary membrane turning rollers 21 are installed in the primary membrane impurity separation box 4, membrane turning rods I22 are uniformly distributed on the primary membrane turning rollers 21, and the membrane turning rods I22 are arranged in a staggered mode; the two primary film turning rollers 21 are driven by a motor to rotate clockwise and in the same direction, the film turning rod I22 on the primary film turning roller 21 picks up the sheared and crushed mixed material of the waste mulching film and the cotton stalk to be separated, and the mixed material is continuously turned to a primary film outlet 17 at the right lower part of the primary film and impurity separating box 4 through the primary film turning roller 21; one-level is turned over membrane roller 21 right side and is set up a set of arc and get membrane tooth I25, and the arc is got membrane tooth I25 and is turned over membrane pole I22 staggered arrangement on the one-level membrane roller 21 on the right for the old and useless plastic film comb that will twine on the one-level membrane roller 21 on the right falls. The miscellaneous knockout drum of one-level membrane 4 right below one-level goes out membrane mouth 17 and one-level and inhales membrane cover 15 left side mouth and links to each other, 15 right side mouths of one-level membrane cover are inhaled to the one-level and are connected one-level tuber pipe 13, fan I14 is connected to one-level tuber pipe 13, form the negative pressure in the membrane cover 15 is inhaled to the one-level under the effect of fan I14, because old and useless plastic film density is little, the quality is light, the suspension velocity is minimum, go out membrane mouth 17 suction with old and useless plastic film from the miscellaneous knockout drum of one-level membrane 4 under the effect of wind power, the last side mouth through one-level inhale membrane cover 15 carries to one-level defeated membrane pipe 18, one-level defeated membrane pipe 18.
The second-level membrane impurity separation mechanism comprises: the secondary membrane impurity separation box 7 is positioned under the primary membrane impurity separation box 4, and four secondary membrane turning rollers 23 are arranged in the secondary membrane impurity separation box 7; the second-stage film turning rollers 23 are uniformly provided with film turning rods II 24, and the film turning rods II 24 are arranged in a staggered mode; the four secondary film turning rollers 23 are driven by a motor to rotate anticlockwise and in the same direction, the film turning rod II 24 picks up cotton stalks, sandy soil and unseparated materials after primary film impurity separation, and the cotton stalks, the sandy soil and the unseparated materials are continuously turned to a secondary film outlet 9 at the lower left of the secondary film impurity separation box 7 through the secondary film turning rollers 23; a group of arc film taking teeth II 26 are arranged on the left side of the second-stage film turning roller 23, and the arc film taking teeth II 26 and the film turning rods II 24 on the leftmost second-stage film turning roller 23 are arranged in a staggered mode and used for combing the waste mulching films wound on the leftmost second-stage film turning roller 23; the second grade of the miscellaneous separator box of second grade membrane 7 left side below goes out the membrane mouth 9 and inhales 6 right side mouths of membrane cover with the second grade and links to each other, the second grade is inhaled 6 left side mouths of membrane cover and is connected second grade tuber pipe 8, second grade tuber pipe 8 connects fan II 11, inhale and form the negative pressure in the membrane cover 6 under the effect of fan II 11 second grade, go out the membrane mouth 9 suction with old and useless plastic film from the second grade of the miscellaneous separator box of second grade membrane 7, the side mouth of going up that inhales membrane cover 6 through the second grade is carried to the defeated membrane pipe 5 of second grade, the defeated membrane pipe 5 of second grade links to each other with membrane collection.
The second-level membrane impurity separation box 7 is installed on the frame 12, a cotton stalk conveyer belt 16 is installed below the frame 12, a hole is formed in the cotton stalk conveyer belt 16, sand falling in the conveying process is facilitated, and a sand conveyer belt 10 is installed below the cotton stalk conveyer belt 16 and used for conveying separated sand.
The working process and principle of the invention are as follows:
when the device works, a mixture of waste mulching films and cotton stalks to be separated is fed from a feed hopper, a motor drives a shearing cutter shaft to rotate relatively, the shearing cutter blade cuts off the long-strip-shaped waste mulching films and cotton stalks, the cotton stalks and the mulching films are prevented from being intertwined during separation, the sheared materials fall into a primary film and impurity separating box, two primary film turning rollers in the primary film and impurity separating box rotate clockwise and in the same direction under the driving of the motor, a film turning rod I on the primary film turning roller picks up the sheared materials to be separated and continuously turns to a primary film outlet at the lower right of the primary film and impurity separating box through the primary film turning roller, and the waste mulching films are small in density, light in weight and small in suspension speed, form the negative pressure in the membrane cover is inhaled to the one-level under the effect of fan I, goes out the membrane mouth suction with old and useless plastic film from the one-level of the miscellaneous separator box of one-level membrane, transports to one-level defeated membrane pipe through the last side mouth that membrane cover was inhaled to the one-level, and then transports to the collection membrane case. One-level turns over the membrane roller right side and sets up a set of arc and gets membrane tooth I, and the arc is got membrane tooth I and is turned over I staggered arrangement of membrane pole on the membrane roller with the one-level on the right for the old and useless plastic film comb that will twine on the one-level on the right turns over the membrane roller falls.
The separated waste mulching films enter a film collecting box, cotton stalks, sand and incompletely separated mixed materials fall into a second-stage film impurity separating box, four second-stage film turning rollers in the second-stage film impurity separating box rotate anticlockwise and in the same direction under the driving of a motor, a film turning rod II on each second-stage film turning roller picks up the cotton stalks, the sand and the incompletely separated mixed materials and continuously turns to a second-stage film outlet at the left lower side of the second-stage film impurity separating box through the second-stage film turning rollers, negative pressure is formed in a second-stage film suction cover under the action of a fan II, the waste mulching films are sucked out of the second-stage film outlet of the second-stage film impurity separating box and conveyed to a second-stage film conveying pipe through an upper side opening of the second-stage film suction cover and also conveyed to the film collecting box. A group of arc film taking teeth II are arranged on the left side of the second-stage film turning roller, and the arc film taking teeth II and the film turning rods II on the leftmost second-stage film turning roller are arranged in a staggered mode and used for combing the waste mulching films wound on the leftmost second-stage film turning roller; the finally separated cotton stalks are output from the cotton stalk conveying belt, and the sandy soil falls to the sandy soil conveying belt and is discharged through the sandy soil conveying belt.
Finally, it should also be noted that the above-mentioned list represents only one specific embodiment of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible, all of which can be derived or suggested by a person skilled in the art from the disclosure of the invention, are considered to be within the scope of protection of the invention.

Claims (7)

1. Secondary selection by winnowing formula waste film and cotton stalk separator, including feeder hopper, frame, its characterized in that: a shearing mechanism is arranged for shearing and crushing the materials to be separated; a feed hopper is arranged above the shearing mechanism; the lower part of the shearing mechanism is connected with a primary membrane and impurity separating mechanism and a secondary membrane and impurity separating mechanism which are used for unfolding the waste mulching films and cotton stalks and sucking out the waste mulching films through a fan air pipe and a membrane conveying pipe by utilizing negative pressure; arranging a film collecting box for collecting the sucked waste mulching films; the first-stage membrane impurity separating mechanism and the second-stage membrane impurity separating mechanism are mounted on the frame, the cotton stalk conveying belt is arranged under the second-stage membrane impurity separating mechanism, holes are formed in the cotton stalk conveying belt, sandy soil can fall conveniently in the conveying process, and the sandy soil conveying belt is mounted below the cotton stalk conveying belt.
2. The secondary winnowing type waste film and cotton stalk separating device according to claim 1, characterized in that: the first-stage membrane impurity separating mechanism and the second-stage membrane impurity separating mechanism are arranged longitudinally, the first-stage membrane impurity separating mechanism is located right above the second-stage membrane impurity separating mechanism, and the second-stage membrane impurity separating mechanism is installed on the rack.
3. The secondary winnowing type waste film and cotton stalk separating device according to claim 1, characterized in that: the shearing mechanism comprises a shearing part, a group of double-roller type shearing cutter shafts are arranged in the shearing part, and shearing blades are arranged on the shearing cutter shafts.
4. The secondary air separation type waste film and cotton stalk separation device as claimed in claim 1, 2 or 3, wherein: the primary membrane impurity separation mechanism comprises a primary membrane impurity separation box, and at least two primary membrane turning rollers are arranged in the primary membrane impurity separation box; film turning rods I are uniformly distributed on the first-stage film turning rollers, and the film turning rods I on two adjacent first-stage film turning rollers are arranged in a staggered mode; the miscellaneous separator box of one-level membrane one side below sets up the one-level and goes out the membrane mouth, and the one-level goes out the membrane mouth and inhales membrane cover one side mouth with the one-level and links to each other, and the one-level is inhaled membrane cover opposite side mouth and is connected the one-level tuber pipe, and fan I is connected to the one-level tuber pipe, and the one-level is inhaled the last side mouth connection one-level of membrane cover and is failed the membrane pipe, and the one.
5. The secondary winnowing type waste film and cotton stalk separating device according to claim 4, characterized in that: the miscellaneous separator box of one-level membrane in be close to one-level and turn over the membrane roller outside and set up a set of arc and get membrane tooth I, the arc is got membrane tooth I and is turned over membrane pole staggered arrangement that turns over on the membrane roller with this one-level for the old and useless plastic film that will twine on this one-level turns over the membrane roller and comb and fall.
6. The secondary air separation type waste film and cotton stalk separation device as claimed in claim 1, 2 or 3, wherein: the secondary membrane impurity separation mechanism comprises a secondary membrane impurity separation box, and at least four secondary membrane turning rollers are arranged in the secondary membrane impurity separation box; film turning rods II are uniformly distributed on the second-stage film turning rollers, and the film turning rods II on two adjacent second-stage film turning rollers are arranged in a staggered mode; the miscellaneous separator box of second grade membrane one side below sets up the second grade and goes out the membrane mouth, and the second grade goes out the membrane mouth and inhales membrane cover one side mouth with the second grade and links to each other, and the second grade is inhaled membrane cover opposite side mouth and is connected the second grade tuber pipe, and the fan II is connected to the second grade tuber pipe, and the second grade is inhaled the side mouth connection second grade of membrane cover and is failed the membrane pipe, and second grade is failed the membrane pipe and is linked to each.
7. The secondary winnowing type waste film and cotton stalk separating device according to claim 6, characterized in that: the two-stage film-impurity separating box is internally provided with a group of arc film-taking teeth II near the two-stage film outlet and arranged outside the two-stage film-turning roller, and the arc film-taking teeth II and the film-turning rods II on the two-stage film-turning roller are arranged in a staggered manner and used for combing the waste mulching films wound on the two-stage film-turning roller.
CN202010178723.6A 2020-03-15 2020-03-15 Secondary winnowing type waste film and cotton stalk separating device Pending CN111331759A (en)

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CN202010178723.6A CN111331759A (en) 2020-03-15 2020-03-15 Secondary winnowing type waste film and cotton stalk separating device

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Application Number Priority Date Filing Date Title
CN202010178723.6A CN111331759A (en) 2020-03-15 2020-03-15 Secondary winnowing type waste film and cotton stalk separating device

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CN111331759A true CN111331759A (en) 2020-06-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117719097A (en) * 2023-12-19 2024-03-19 青岛惠域环境工程有限公司 Membrane sediment separator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117719097A (en) * 2023-12-19 2024-03-19 青岛惠域环境工程有限公司 Membrane sediment separator

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