CN110978335B

CN110978335B - High miscellaneous old and useless plastic sheeting for farm use environmental protection regeneration production line that contains

Info

Publication number: CN110978335B
Application number: CN201911314557.1A
Authority: CN
Inventors: 何远波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-11-13
Anticipated expiration: 2039-12-19
Also published as: CN110978335A

Abstract

The invention discloses an environment-friendly regeneration production line for high-impurity-content waste agricultural films. It includes: the agricultural film crushing device is used for crushing waste agricultural films; the axial flow type centrifugal impurity removal device is used for removing impurities mixed in the waste pesticide film; the friction washing device is used for washing and cleaning the waste agricultural film; the axial flow type centrifugal dehydration device is used for dehydrating the waste agricultural film; and after the waste agricultural film is crushed by the agricultural film crushing device, removing impurities by the axial-flow type centrifugal impurity removing device, washing and cleaning the waste agricultural film after the impurities are removed by the friction washing device, and finally performing dehydration by the axial-flow type centrifugal dehydration device. The environment-friendly regeneration production line for the high-impurity-content waste agricultural films is simple in structure and good in treatment effect of the waste agricultural films.

Description

High miscellaneous old and useless plastic sheeting for farm use environmental protection regeneration production line that contains

Technical Field

The invention belongs to the technical field of film treatment and regeneration, and particularly relates to an environment-friendly regeneration production line for high-impurity-content waste agricultural films.

Background

Agricultural films (hereinafter referred to as agricultural films) are a general term for plastic films used in agricultural production, and play an important role in moisture retention and heat preservation during sowing. After the agricultural film is used up, the agricultural film cannot be effectively recycled, so that resources are wasted, land pollution is caused, and the natural environment is damaged.

The general treatment of the waste agricultural films is to recycle the waste agricultural films, turn up soil layers with the waste agricultural films, collect soil, the waste agricultural films and other impurities together and carry out recovery treatment. The obtained waste agricultural film has high impurity content and a large amount of impurities such as soil, straws, weeds and the like. The existing waste agricultural film treatment production line is complex in production line and poor in recovery treatment effect.

Disclosure of Invention

The invention aims to provide an environment-friendly regeneration production line of high-impurity-content waste agricultural films, which effectively solves the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high miscellaneous old and useless plastic film environmental protection regeneration production line that contains, includes:

the agricultural film crushing device is used for crushing waste agricultural films;

the axial flow type centrifugal impurity removal device is used for removing impurities mixed in the waste pesticide film;

the friction washing device is used for washing and cleaning the waste agricultural film;

the axial flow type centrifugal dehydration device is used for dehydrating the waste agricultural film;

and after the waste agricultural film is crushed by the agricultural film crushing device, removing impurities by the axial-flow type centrifugal impurity removing device, washing and cleaning the waste agricultural film after the impurities are removed by the friction washing device, and finally performing dehydration by the axial-flow type centrifugal dehydration device.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, the axial-flow type centrifugal impurity removing device comprises:

the impurity removing machine comprises an impurity removing machine frame and a supporting device, wherein the impurity removing machine frame comprises an upper impurity removing machine body and a lower impurity removing machine body which are detachably separated, and an impurity removing supporting seat is arranged at the lower part of the lower impurity removing machine body;

the screening cylinder is provided with screening holes and comprises an upper half cylinder and a lower half cylinder, the upper half cylinder is arranged in the upper impurity removing machine body, the lower half cylinder is arranged in the lower impurity removing machine body, and the upper half cylinder and the lower half cylinder jointly enclose to form a cylindrical cavity;

the rotating shaft is coaxial with the screening drum, one end of the rotating shaft penetrates through and is rotatably connected to the first side wall of the impurity removing rack, and the other end of the rotating shaft penetrates through and is rotatably connected to the second side wall of the impurity removing rack;

the impurity removal driving motor is arranged on the lower impurity removal machine body and drives the rotating shaft to rotate through a transmission mechanism;

the plurality of shifting plate groups are arranged on the rotating shaft along the axial direction of the rotating shaft, each shifting plate group comprises a plurality of shifting plate sheets, and each shifting plate sheet and the axial direction of the rotating shaft form an acute angle and face the direction of the second side wall;

the impurity removal feed inlet is formed in the upper portion of the first side wall and is positioned inside the screening cylinder;

the impurity removal discharge hole is formed in the tail end, close to the second side wall, of the upper portion of the upper impurity removal machine body, and an opening corresponding to the impurity removal discharge hole is formed in the upper half barrel; and

and the plurality of fan plates are arranged on the rotating shaft in parallel with the axis of the rotating shaft and are positioned under the impurity removal discharge port.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, a plurality of the deflector plates are arranged on the rotating shaft at equal intervals.

As a further improvement of the environment-friendly regeneration production line for the high-impurity-content waste agricultural films, each poking plate group comprises 4 poking plate pieces, and the poking plate pieces are arranged at equal intervals along the circumferential direction of the rotating shaft.

As a further improvement of the environment-friendly regeneration production line for the high-impurity-content waste agricultural films, the number of the fan plates is 4, and the fan plates are arranged at equal intervals along the circumferential direction of the rotating shaft.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, the environment-friendly regeneration production line further comprises a net-shaped material collecting bin, wherein the net-shaped material collecting bin is arranged between the axial-flow type centrifugal impurity removing device and the friction washing device; the mesh-shaped material collecting bin comprises supporting legs and a water flow material collecting groove, water spray ports are arranged at two ends of the water flow material collecting groove, a discharge port is arranged at the middle position of the bottom of the water flow material collecting groove, and the discharge port is connected with a feeding port of the friction washing device; the middle position of the bottom of the water flow collecting groove is lower than the positions of the two ends.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, the environment-friendly regeneration production line further comprises a film wringing device, wherein the film wringing device is arranged between the friction washing device and the axial-flow type centrifugal dehydration device; the film wringing device comprises an inclined inner cavity, and a drain hole is formed in the bottom of the inclined inner cavity.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, the friction washing device comprises:

the washing machine comprises a washing rack, a washing machine body and a washing machine frame, wherein the washing rack comprises an upper washing machine body and a lower washing machine body which are detachably separated, and a washing supporting seat is arranged at the lower part of the lower washing machine body;

the outer friction cage is composed of a plurality of first friction strips, a gap is reserved between every two first friction strips, the outer friction cage comprises an upper half cage and a lower half cage, the upper half cage is arranged in the upper washing machine body, the lower half cage is arranged in the lower washing machine body, and the upper half cage and the lower half cage jointly enclose a long cylindrical cavity;

the rotating roller is arranged in the outer friction cage and is coaxial with the outer friction cage; one end of the rotary drum penetrates out of and is rotatably connected with a first side plate of the washing rack, and the other end of the rotary drum penetrates out of and is rotatably connected with a second side plate of the rack;

the second friction strips extend from one bottom surface to the other bottom surface along the outer side surface of the rotary drum and form an acute angle with the rotary shaft of the rotary drum;

the washing driving motor is arranged on the lower washing machine body and can drive the rotary drum to rotate;

the washing feed port is arranged at the tail end of the upper part of the upper washing machine body close to the first side plate, and an opening is formed in the upper half cage corresponding to the washing feed port; and

and the washing discharge hole is formed in the lower end of the lower washing machine body close to the second side plate, and an opening is formed in the position, corresponding to the washing discharge hole, of the lower half cage.

As a further improvement of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film, the angle formed by the second rubbing strip and the rotating shaft of the rotating drum is within the range of 10-20 degrees.

As a further improvement of the environment-friendly and renewable production line of the high-impurity-content waste agricultural film, the environment-friendly and renewable production line further comprises a water circulation system, wherein the water circulation system comprises a pipeline system for providing water required by the production process, a waste water tank for collecting used waste water and a filtering system.

Compared with the prior art, the high-impurity-content waste agricultural film environment-friendly regeneration production line has at least the following technical effects:

1. set up agricultural film breaker, the waste and old agricultural film that needs recovery processing at first gets into among the agricultural film breaker and carries out the breakage, after breaking into less piece, is convenient for subsequent other processes.

2. The waste agricultural film crushed into film fragments enters an impurity removal device to be subjected to impurity removal in the first step, and the crushed waste agricultural film firstly enters the impurity removal device to remove impurities due to the fact that the waste agricultural film contains a large amount of impurities such as soil, straws and weeds, and most of the impurities can be effectively removed.

3. According to the axial-flow type centrifugal impurity removing device, the poking plate pieces arranged on the rotating shaft form an acute angle with the axial direction of the rotating shaft, so that in the rotating process of the rotating shaft, radial force can be generated to impact and separate waste agricultural films and impurities, and axial force can be generated to push the waste agricultural films to axially move to the impurity removing discharge hole. The structure is simple, and the impurity removal effect is good.

4. The friction washing device is provided with a second friction strip and a first friction strip, wherein the second friction strip and the first friction strip are at an acute angle with a rotating shaft of the rotating roller, gaps are formed between the first friction strip and the first friction strip, the rotating roller drives the waste agricultural film to roll when rotating, the first friction strip and the second friction strip jointly carry out pressure friction on the waste agricultural film, separation of impurities attached to the waste agricultural film is accelerated, and the clean waste agricultural film can be conveyed to a discharge hole. The structure is simple, and the washing effect is good.

5. A net-shaped material collecting bin is added between the axial-flow type centrifugal impurity removing device and the friction washing device, and impurities such as soil, straws and weeds can be removed through the water flow material collecting tank before the waste agricultural film is washed, so that the washing operation is convenient to carry out, and the washing effect is good.

6. A film water squeezing device is added between the friction washing device and the axial-flow type centrifugal dehydration device, so that residual impurities are removed while water is squeezed out of the waste agricultural film with high moisture content, the final dehydration is facilitated, the dehydrated waste agricultural film has the lowest impurity content, and the best recycling effect is achieved.

7. According to the environment-friendly regeneration production line for the high-impurity-content waste agricultural films, the waste agricultural films are treated by using clear water in the whole process, no medicament is added, and the waste agricultural films are subjected to pure physical cleaning treatment, so that no pollution is caused, and the environment-friendly effect is good.

8. The water circulation system is arranged, so that clean water and produced wastewater which need to be used in the process of treating the waste agricultural film can be recycled, and the waste of water resources is reduced.

In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an axial flow type centrifugal impurity removing device according to the present invention;

FIG. 3 is a schematic view of the position of the striking plate and the fan blade according to the present invention;

FIG. 4 is a first schematic structural view of the friction washing apparatus of the present invention;

FIG. 5 is a second schematic structural view of the friction washing apparatus of the present invention;

FIG. 6 is a sectional view of the friction washing apparatus according to the present invention;

wherein the reference numerals are:

100. an agricultural film breaking device; 200. an axial flow type centrifugal impurity removal device; 300. a friction washing device; 400. an axial flow centrifugal dewatering device; 500. a reticular aggregate bin; 600. a film wringing device; 700. a water circulation system; 800. a granulator set;

211. an upper trash remover body; 212. a lower trash remover body; 213. removing impurities of the supporting seat; 214. a first side wall; 215. a second side wall; 220. a screening cylinder; 221. a screening well; 230. a rotating shaft; 240. a driving motor for removing impurities; 241. a belt drive mechanism; 250. pulling the plate sheet; 260. a feed inlet for impurity removal; 270. removing impurities and discharging; 280. a fan plate; 290. reinforcing ribs;

311. an upper washing machine body; 312. a lower washing machine body; 313. washing the supporting seat; 314. a first side plate; 315. a second side plate; 321. an upper half cage; 322. a lower half cage; 330. a first rubbing strip; 340. rotating the drum; 350. a second rubbing strip; 360. a washing driving motor; 370. washing the feed inlet; 380. washing the discharge hole; 390. a water injection port;

510. supporting legs; 520. a water flow collecting trough; 530. a water jet; 540. a discharge opening;

610. a drain hole;

710. a piping system; 720. a wastewater tank; 730. a filtration system;

910. a belt conveyor; 920. a first screw conveyor; 930. a first conveying air pipe; 940. a second screw conveyor; 950. a second conveying air pipe; 960. and a third air conveying pipe.

Detailed Description

In order to overcome the defects in the prior art, the invention provides the environment-friendly regeneration production line for the high-impurity-content waste agricultural film, which has a simple structure and a good treatment effect.

Fig. 1 to 6 show a schematic structural diagram of the present invention, fig. 1 shows a schematic structural diagram of an axial flow type centrifugal trash removal device of the present invention, fig. 2 shows a schematic structural diagram of an axial flow type centrifugal trash removal device of the present invention, fig. 3 shows a schematic positional diagram of a blade plate and a fan plate of the present invention, fig. 4 shows a first structural diagram of a friction washing device of the present invention, fig. 5 shows a second structural diagram of a friction washing device of the present invention, and fig. 6 shows a sectional structural diagram of a friction washing device of the.

As shown in FIG. 1, the environment-friendly regeneration production line for high-impurity-content waste agricultural films comprises an agricultural film crushing device 100 for crushing, an axial-flow type centrifugal impurity removal device 200 for removing impurities, a friction washing device 300 for washing and cleaning, and an axial-flow type centrifugal dehydration device 400 for dehydrating.

Wherein, agricultural film breaker 100 includes two agricultural film breakers, agricultural film breaker is the machine of present broken agricultural film, does not do the perplexing here. A feed inlet and a water inlet are formed in the upper portion of the agricultural film crusher, and a discharge outlet is formed in the lower portion of the agricultural film crusher. Specifically, waste agricultural films placed on a raw material stacking yard are conveyed to a feeding port above the agricultural film crusher through a belt conveying device 910, and enter the agricultural film crusher for crushing.

A first spiral conveying device 920 is connected to a discharge port below the agricultural film crusher, and waste agricultural films crushed by the agricultural film crusher are conveyed into the axial-flow type centrifugal impurity removal device 200 to be subjected to impurity removal.

Specifically, the first spiral conveying device 920 comprises a conveying groove, a spiral conveying rod and a driving motor for driving the spiral conveying rod to rotate. The conveying trough of the first spiral conveying device 920 is arranged obliquely, and the position of the output end is lower than that of the input end.

The axial-flow type centrifugal impurity removing device 200 includes two axial-flow type centrifugal impurity removing machines, and the axial-flow type centrifugal impurity removing machines include an impurity removing rack, a screening cylinder 220, a rotating shaft 230, an impurity removing driving motor 240, a plurality of dial plate groups, an impurity removing feed inlet 260, an impurity removing discharge outlet 270, and a plurality of fan plates 280, as shown in fig. 2 and 3.

The impurity removing rack comprises an upper impurity removing machine body 211 and a lower impurity removing machine body 212 which are detachably separated, wherein an impurity removing support seat 213 is arranged at the lower part of the lower impurity removing machine body 212;

the screening cylinder 220 is provided with screening holes 221, the screening cylinder 220 comprises an upper half cylinder and a lower half cylinder, the upper half cylinder is arranged in the upper impurity removing machine body 211, the lower half cylinder is arranged in the lower impurity removing machine body 212, and the upper half cylinder and the lower half cylinder jointly enclose to form a cylindrical cavity;

the rotating shaft 230 is coaxial with the screening drum 220, one end of the rotating shaft 230 penetrates through and is rotatably connected to the first side wall 214 of the impurity removing rack, and the other end of the rotating shaft 230 penetrates through and is rotatably connected to the second side wall 215 of the impurity removing rack;

the trash driving motor 240 is disposed on the lower trash body 212 and drives the rotating shaft 230 to rotate through a transmission mechanism; specifically, the transmission mechanism is a belt transmission mechanism 241, which is a prior art and is not described herein.

A plurality of the dial plate groups are arranged on the rotating shaft 230 along the axial direction of the rotating shaft 230, each dial plate group comprises a plurality of dial plates 250, and each dial plate 250 forms an acute angle with the axial direction of the rotating shaft 230 and faces the direction of the second side wall 215; specifically, the striking plate 250 has a flat plate structure, a length direction of which is perpendicular to an axial direction of the rotating shaft 230, and a width direction of which forms an acute angle with the axial direction of the rotating shaft 230.

The impurity removal feed inlet 260 is arranged at the upper part of the first side wall 214 and is positioned inside the screening drum 220;

the impurity removal discharge hole 270 is arranged at the tail end of the upper part of the upper impurity removal machine body 211 close to the second side wall 215, and an opening corresponding to the impurity removal discharge hole 270 is arranged on the upper half cylinder; and

the fan plates 280 and the rotating shaft 230 are arranged on the rotating shaft in parallel and are positioned right below the impurity removal discharge hole 270; specifically, the fan plate 280 has a flat plate-like structure, a longitudinal direction thereof is perpendicular to an axial direction of the rotation shaft 230, and a width direction thereof is parallel to the axial direction of the rotation shaft 230.

In a preferred embodiment, a plurality of the dial groups are equally spaced on the rotating shaft 230.

In a preferred embodiment, each of the dial plate groups includes 4 dial plates 250, and the dial plates 250 are circumferentially and equally spaced along the rotating shaft 230.

In a preferred embodiment, the number of the fan plates 280 is 4, and the fan plates 280 are arranged at equal intervals along the circumferential direction of the rotating shaft 230.

The crushed waste agricultural films and impurities on the waste agricultural films enter the screening cylinder 220 through the impurity removal feed inlet 260, the impurity removal driving motor 240 drives the rotating shaft 230 to rotate at a high speed, and further drives the shifting plate pieces 250 on the rotating shaft 230 to rotate, the shifting plate pieces 250 generate radial and axial thrust, the radial force impacts and separates the waste agricultural films and the impurities attached to the waste agricultural films, and the axial force pushes the waste agricultural films to move spirally in the screening cylinder 220. The light and tough waste agricultural film mainly flows along the axial direction, and heavy impurities such as soil, straws, weeds and the like move radially under the action of centrifugal force, impact the screening cylinder 220 and fly out through the screening holes 221. The light waste agricultural film reaches the other end of the screening cylinder 220, radial air flow is generated by the fan plate 280, and the fan plate 280 blows the waste agricultural film subjected to impurity removal to the impurity removal discharge port 270 for the next process.

The waste agricultural film subjected to impurity removal by the axial-flow type centrifugal impurity remover is conveyed into a net-shaped collecting bin 500 through a first conveying air pipe 930.

The mesh-shaped collecting bin 500 comprises a supporting leg 510 and a water flow collecting groove 520, wherein water spray holes 530 are formed in two ends of the water flow collecting groove 520, a discharge hole 540 is formed in the middle of the bottom of the water flow collecting groove 520, and the discharge hole 540 is connected with a washing feed hole 370 in the friction washing device 300. The middle position of the bottom of the water flow collecting groove 520 is lower than the positions of the two ends, and the waste agricultural film flows to the lower discharge opening 540 under the water spraying effect of the two ends of the water flow collecting groove 520 and then enters the friction washing device 300.

The friction washing device 300 is a spiral friction washing machine, which includes a washing frame, an outer friction cage, a rotary drum 340, a plurality of second friction strips 350, a washing driving motor 360, a washing feed inlet 370, a washing discharge outlet 380, and a plurality of water injection ports 390, as shown in fig. 4, 5, and 6.

The washing machine frame comprises an upper washing machine body 311 and a lower washing machine body 312 which are detachably separated, wherein a washing support seat 313 is arranged at the lower part of the lower washing machine body 312;

the outer friction cage is composed of a plurality of first friction strips 330, a gap is reserved between every two first friction strips 330, the outer friction cage comprises an upper half cage 321 and a lower half cage 322, the upper half cage 321 is arranged in the upper washing machine body 311, the lower half cage 322 is arranged in the lower washing machine body 312, and the upper half cage 321 and the lower half cage 322 jointly enclose a long cylindrical cavity; specifically, two ends of the outer friction cage are fixedly connected to the inner parts of two side walls of the rack respectively; in the preferred embodiment, the gap between every two first rubbing strips 330 is 2 mm.

The rotating roller 340 is arranged in the outer friction cage and is coaxial with the outer friction cage; one end of the rotary drum 340 penetrates out and is rotatably connected with the first side plate 314 of the washing rack, and the other end of the rotary drum 340 penetrates out and is rotatably connected with the second side plate 315 of the rack;

the second rubbing strip 350 extends from one bottom surface to the other along the outer side surface of the rotating drum 340 and forms an acute angle with the rotating shaft 230 of the rotating drum 340; specifically, the second rubbing strip 350 is fixedly connected to the outer side surface of the rotating drum 340 to form a spiral line, and the spiral angle of the spiral line is within a range of 10 ° to 20 °, that is: the angle formed by the second rubbing strip 350 and the rotating shaft of the rotating drum 340 is within the range of 10-20 degrees; in a preferred embodiment, the helix angle of the helix is 15 °. In the preferred embodiment, the number of the second rubbing strips 350 is 12, and the second rubbing strips are symmetrically distributed on the outer side surface of the rotating drum 340 along the rotating shaft of the rotating drum 340.

The washing driving motor 360 is disposed on the lower washing machine body 312 and can drive the rotary drum 340 to rotate;

the washing feed opening 370 is disposed at the upper end of the upper washing machine body 311 close to the first side plate 314, and an opening is disposed on the upper half cage 321 corresponding to the washing feed opening 370;

the washing material outlet 380 is arranged at the lower end of the lower washing machine body 312 close to the second side plate 315, and an opening is arranged on the lower half cage 322 corresponding to the washing material outlet 380;

a plurality of the water injection ports 390 are provided at an upper surface of the upper washing machine body 311 for injecting water into the outer friction cage.

The waste agricultural film after impurity removal and impurities on the waste agricultural film enter between the rotary drum 340 and the outer friction cage through the washing feed port 370, and the washing driving motor 360 drives the rotary drum 340 to rotate under the action of the reduction gearbox. The second friction strip 350 arranged on the outer side surface of the rotary drum 340 drives the waste agricultural film and impurities on the waste agricultural film to make spiral propulsion movement in the rotating process of the rotary drum 340, the waste agricultural film and the impurities on the waste agricultural film generate friction under the joint extrusion of the rotary drum 340 and the outer friction cage, so that the impurities such as soil, straws and weeds attached to the waste agricultural film are separated, and are discharged through gaps among the first friction strips 330 under the scouring of water flow, and finally, the generated clean waste agricultural film fragments are discharged from the washing discharge port 380 to perform the next process.

The waste agricultural film washed by the spiral friction washing machine is conveyed to the film wringing device 600 by the second spiral conveying device 940, and the film wringing device 600 is the existing film wringing machine. The film wringing device 600 comprises an inclined inner cavity, a drain hole 610 is formed in the bottom of the inclined inner cavity, and waste agricultural films enter from the position higher than the inclined inner cavity and are discharged from the position lower than the inclined inner cavity. The waste agricultural film with high water content is pressed by the helical blade of the film wringing device 600 and pushed to the conical discharge hole, and most of the water adsorbed on the waste agricultural film is discharged from the drain hole 610 in the process. The structure of the second spiral conveying device 940 is the same as that of the first spiral conveying device 920, and is not described herein again.

The waste agricultural films discharged from the film wringing device 600 enter the axial-flow type centrifugal dehydration device 400 for dehydration treatment. The axial-flow centrifugal dewatering device 400 is an axial-flow centrifugal dewatering machine, which is an existing machine for dewatering and is not described herein.

The dewatered waste agricultural film enters the next axial-flow centrifugal dehydrator through a second conveying air pipe 950 for further dewatering. After the secondary dehydration, the cleaned and dried waste agricultural film is conveyed to a semi-finished product warehouse or a granulator by a third conveying air pipe 960 for subsequent treatment.

The invention relates to an environment-friendly regeneration production line of high-impurity-content waste agricultural films, which further comprises a water circulation system 700, wherein the water circulation system 700 comprises a pipeline system 710 for providing water required in the production process, a waste water tank 720 for collecting used waste water, and a filtering system 730. The water circulation system 700 is used to provide water required in the manufacturing process, collect used wastewater and convert it into water required in the manufacturing process. Clear water is injected into the agricultural film crusher, the axial flow type centrifugal impurity removing machine and the friction washing machine when the materials are fed, and the agricultural film crusher, the axial flow type centrifugal impurity removing machine and the friction washing machine are used for processing the agricultural films together with the waste agricultural films.

The working principle of the environment-friendly regeneration production line of the high-impurity-content waste agricultural film is as follows:

waste agricultural films are thrown to the inlet of an agricultural film crusher through a belt conveying device 910 and are crushed into film fragments of about 60mm multiplied by 60mm to 100mm multiplied by 100mm through water injection. The crushed waste agricultural film fragments fall into a feeding port of a first spiral conveying device 920, and are conveyed to an impurity removal feeding port 260 of an axial-flow type centrifugal impurity remover from high to low through spiral blades; the first screw conveyer 920 has a water leakage hole at the bottom thereof for discharging fine impurities and sewage. The waste agricultural film fragments are subjected to impurity removal by an axial-flow centrifugal impurity remover and then are blown to the reticular material collecting bin 500 by the first conveying air pipe 930 for collection. Waste agricultural film fragments are collected in a water flow collecting groove 520 at the bottom of the net-shaped collecting bin 500, under the action of water flow sprayed from two ends and height difference, the waste agricultural film fragments flow to a discharge port with a lower middle part and enter a washing feed port 370 of a spiral friction washing machine, and after the waste agricultural film fragments are subjected to friction of an inner friction strip and an outer friction strip of the spiral friction washing machine and water flow washing, residual impurities attached to the waste agricultural film fragments are discharged from gaps of the outer friction strip; the clean waste agricultural film is pushed to the washing discharge port 380 under the action of spiral motion and discharged. Then lifted to the material inlet of the film wringing device 600 by the second spiral conveying device 940; the clean waste agricultural film with high water content is pressed by the helical blade of the film wringing device 600 and pushed to the conical discharge hole, and most of the water absorbed on the waste agricultural film is discharged from the drain hole 610 of the film wringing device 600 in the process. The waste agricultural film extruded through the water drops to the feed inlet of the axial-flow type centrifugal dehydrator, and after being dehydrated, the waste agricultural film is blown to the next axial-flow type centrifugal dehydrator through the second conveying air pipe 950. After the secondary dehydration, the cleaned and dried waste agricultural film is blown to a semi-finished product warehouse or a granulator feeding port by a third conveying air pipe 960 for subsequent finished product processing.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a high miscellaneous old and useless plastic film environmental protection regeneration production line that contains which characterized in that includes:

the agricultural film crushing device (100), the agricultural film crushing device (100) is used for crushing waste agricultural films;

the axial flow type centrifugal impurity removal device (200), the axial flow type centrifugal impurity removal device (200) is used for removing impurities mixed in the waste pesticide film;

the friction washing device (300), the friction washing device (300) is used for washing and cleaning the waste agricultural film;

the axial flow type centrifugal dehydration device (400), the axial flow type centrifugal dehydration device (400) is used for dehydrating the waste agricultural film;

after the waste agricultural films are crushed by the agricultural film crushing device (100), the axial flow type centrifugal impurity removal device (200) is used for removing impurities, the waste agricultural films after impurity removal are washed and cleaned by the friction washing device (300), and finally the axial flow type centrifugal dehydration device (400) is used for dehydration;

the axial flow type centrifugal impurity removing device (200) comprises:

the impurity removing machine comprises an impurity removing machine frame, wherein the impurity removing machine frame comprises an upper impurity removing machine body (211) and a lower impurity removing machine body (212) which are detachably separated, and an impurity removing supporting seat (213) is arranged at the lower part of the lower impurity removing machine body (212);

the screening cylinder (220) is provided with screening holes (221), the screening cylinder (220) comprises an upper half cylinder and a lower half cylinder, the upper half cylinder is arranged in the upper impurity removing machine body (211), the lower half cylinder is arranged in the lower impurity removing machine body (212), and the upper half cylinder and the lower half cylinder jointly enclose to form a cylindrical cavity;

the rotating shaft (230), the rotating shaft (230) is coaxial with the screening cylinder (220), one end of the rotating shaft (230) penetrates out and is rotatably connected to the first side wall (214) of the impurity removing rack, and the other end of the rotating shaft (230) penetrates out and is rotatably connected to the second side wall (215) of the impurity removing rack;

the impurity removal driving motor (240) is arranged on the lower impurity removal machine body (212), and drives the rotating shaft (230) to rotate through a transmission mechanism (241);

the plurality of dial plate groups are arranged on the rotating shaft (230) along the axial direction of the rotating shaft (230), each dial plate group comprises a plurality of dial plate pieces (250), and each dial plate piece (250) forms an acute angle with the axial direction of the rotating shaft (230) and faces to the direction of the second side wall (215);

the impurity removal feed inlet (260) is formed in the upper portion of the first side wall (214), and is positioned inside the screening drum (220);

the impurity removal discharge hole (270), the impurity removal discharge hole (270) is formed in the tail end of the upper portion of the upper impurity removal machine body (211) close to the second side wall (215), and an opening corresponding to the impurity removal discharge hole (270) is formed in the upper half cylinder; and

the fan plates (280), the fan plates (280) and the axis of the rotating shaft (230) are arranged on the rotating shaft (230) in parallel, and are positioned under the impurity removal discharge port (270);

the friction washing device (300) comprises:

the washing machine comprises a washing machine frame, a washing machine frame and a washing machine frame, wherein the washing machine frame comprises an upper washing machine body (311) and a lower washing machine body (312) which are detachably separated, and a washing supporting seat (313) is arranged at the lower part of the lower washing machine body (312);

the outer friction cage is composed of a plurality of first friction strips (330), a gap is reserved between every two first friction strips (330), the outer friction cage comprises an upper half cage (321) and a lower half cage (322), the upper half cage (321) is arranged in the upper washing machine body (311), the lower half cage (322) is arranged in the lower washing machine body (312), and the upper half cage (321) and the lower half cage (322) jointly enclose a long cylindrical cavity;

a rotating drum (340), said rotating drum (340) disposed within said outer friction cage and coaxial therewith; one end of the rotary drum (340) penetrates out and is rotatably connected with a first side plate (314) of the washing rack, and the other end of the rotary drum (340) penetrates out and is rotatably connected with a second side plate (315) of the rack;

a plurality of second rubbing strips (350), wherein the second rubbing strips (350) extend from one bottom surface to the other bottom surface along the outer side surface of the rotating drum (340) and form an acute angle with the rotating shaft of the rotating drum (340); the acute angle is within the range of 10-20 degrees;

a washing driving motor (360), wherein the washing driving motor (360) is arranged on the lower washing machine body (312) and can drive the rotary drum (340) to rotate;

the washing feed port (370), the washing feed port (370) is arranged at the upper end of the upper washing machine body (311) close to the first side plate (314), and an opening is formed in the upper half cage (321) corresponding to the washing feed port (370); and

the washing discharge hole (380) is formed in the lower end, close to the second side plate (315), of the lower washing machine body (312), and an opening is formed in the position, corresponding to the washing discharge hole (380), of the lower half cage (322).

2. The high-impurity-content waste agricultural film environment-friendly regeneration production line as claimed in claim 1, wherein a plurality of the deflector groups are arranged on the rotating shaft (230) at equal intervals.

3. The high impurity-containing waste agricultural film environment-friendly regeneration production line as claimed in claim 2, wherein each deflector group comprises 4 deflector plates (250), and the deflector plates (250) are circumferentially arranged at equal intervals along the rotating shaft (230).

4. The high impurity content waste agricultural film environment-friendly regeneration production line as claimed in claim 3, wherein the number of the fan plates (280) is 4, and the fan plates (280) are circumferentially arranged at equal intervals along the rotating shaft (230).

5. The high impurity content waste agricultural film environment-friendly regeneration production line as claimed in claim 1, further comprising a net-shaped collecting bin (500), wherein the net-shaped collecting bin (500) is arranged between the axial flow type centrifugal impurity removing device (200) and the friction washing device (300); the reticular material collecting bin (500) comprises supporting legs (510) and a water flow collecting groove (520), water spray openings (530) are formed in two ends of the water flow collecting groove (520), a discharge opening (540) is formed in the middle of the bottom of the water flow collecting groove (520), and the discharge opening (540) is connected with a feeding opening of the friction washing device (300); the middle position of the bottom of the water flow collecting groove (520) is lower than the positions of the two ends.

6. The environmental-friendly recycling production line for high-impurity-content waste agricultural films as claimed in claim 1, further comprising a film wringing device (600), wherein the film wringing device (600) is arranged between the friction washing device (300) and the axial-flow type centrifugal dewatering device (400); the film wringing device (600) comprises an inclined inner cavity, and a water drainage hole (610) is formed in the bottom of the inclined inner cavity.

7. The high-impurity waste agricultural film environment-friendly recycling production line according to claim 1, further comprising a water circulation system (700), wherein the water circulation system (700) comprises a pipeline system (710) for providing water required by the production process, a waste water tank (720) for collecting used waste water, and a filtering system (730).