CN101823299B

CN101823299B - Flexibly packaged waste plastic mixture sorting device

Info

Publication number: CN101823299B
Application number: CN2010101363644A
Authority: CN
Inventors: 杨先海; 吕传毅; 赵海星
Original assignee: Shandong University of Technology
Current assignee: Shandong University of Technology
Priority date: 2010-03-31
Filing date: 2010-03-31
Publication date: 2013-03-13
Anticipated expiration: 2030-03-31
Also published as: CN101823299A

Abstract

The invention provides a flexibly packaged waste plastic mixture sorting device, which comprises a feeding hopper, a vibratory feeding device, a conveying plate, a wind-driven blowing and floating device and a classified collection device, wherein the feeding hopper is arranged at the upper end of the vibratory feeding device, the conveying plate is connected with the lower end of the vibratory feeding device, and the wind-driven blowing and floating device is connected below the conveying plate. The invention is characterized in that the wind-driven blowing and floating device comprises a ventilating mesh, an electric fan, a wind-driven regulator and a wind direction regulating device, wherein the upward wind outlets of the electric fan are sequentially connected with the ventilating mesh through the wind-driven regulator and the wind direction regulating device, and the ventilating mesh is connected below the conveying plate; a variable-speed vibration device and a bed surface sorting device are additionally arranged; the output end of the variable-speed vibration device is connected with the bed surface sorting device; and the head end of the bed surface sorting device is connected with the ventilating mesh, and the tail end of the bed surface sorting device is connected with the classified collection device. Waste plastics output by the vibratory feeding device through theconveying plate fall on the ventilating mesh, then the waste plastics are blown to the vibratory bed surface sorting device through wind, and the waste plastics are collected into the classified collection device after being sorted. The invention has the advantages of strong universality and high sorting efficiency.

Description

Flexibly packaged waste plastic mixture sorting device

Technical field

The invention provides a kind of sorting unit of flexibly packaged waste plastic mixture, belong to house refuse separating plastic recovery technology field.

Technical background

In recent years, characteristics are widely applied at packaging field plastics so that its light weight, intensity be high, corrosion-resistant etc.According to statistics, the output of China's plastics in 2007 reaches more than 3,000 ten thousand tons, and the output of flexible package plastics reaches more than 1,000 ten thousand tons, if by there being 30% recyclable plastics to calculate in the plastic products, then China's recyclable plastics discarded object has 9,000,000 tons every year approximately.With these technics of reclaim of plastic waste processing, not only can reduce the consumption to petrochemical materials, and the price advantage of regenerated plastics is outstanding, benefit is obvious, market potential is very large, accelerate the technics of reclaim of plastic waste utilization, turn waste into wealth, can alleviate to a certain extent the day by day serious energy shortage problem of China.The cycling and reutilization of waste plastics, significant to development and the strategy of sustainable development of China's recycling economy.

A lot of method for separating such as light choosing, electric separation, pneumatic separating, density separation, flotation etc. are all obtaining application in various degree aspect the waste or used plastics sorting, but there are some shortcomings such as the sorting cost is high, the separating plastic versatility is poor, efficient is low in these methods.The method for separating of patented invention of the present invention has overcome the shortcoming that above-mentioned method for separating exists, the waste plastic mixture sorting technology separating plastic highly versatile of research, efficient height, pollution-free, cost is low, not only has good economic benefit, also has good social benefit and environmental benefit.

Summary of the invention

What the present invention provided emphatically a kind of economy, efficient, environmental protection carries out effective sorting and the sorting unit of the flexibly packaged waste plastic mixture that reclaims to multiple heterogeneity in the flexibly packaged waste plastic mixture.Its technical scheme is:

Comprise feeding hopper, be fixed on the vibrating material feeding device on the high trestle, delivery board, wind-force blow floating device and classified collection device, wherein feeding hopper is equipped with in the vibrating material feeding device upper end, the lower end connects delivery board, the wind-force device that blows floating is undertaken on the below of delivery board, it is characterized in that: the wind-force device that blows floating comprises ventilated net, electric fan, the wind-force adjuster, wind direction regulating device, wherein the air outlet that makes progress of electric fan is successively through the wind-force adjuster, wind direction regulating device connects ventilated net, ventilated net is undertaken on the below of delivery board, set up velocity shock device and bed surface sorting unit, the output termination bed surface sorting unit of velocity shock device, the head end of bed surface sorting unit connects ventilated net, and end connects classified collection device.Drop on ventilated net by vibrating material feeding device through the waste plastics of delivery board output, then by the bed surface sorting unit of wind to vibration, be collected in the classified collection device after the sorting.

Described flexibly packaged waste plastic mixture sorting device, the velocity shock device comprises casing, reducing motor, main shaft, eccentric bushing, connecting rod, wherein horizontal spindle is installed on the casing through bearing, and be fixedly connected with the output of reducing motor, the both ends that main shaft is positioned at casing respectively fixedly mount an eccentric bushing, equal bearing is installed a connecting rod on each eccentric bushing, and the other end of connecting rod and bed surface sorting unit are hinged.Reducing motor drive shaft, eccentric bushing rotate, and the eccentric bushing drivening rod is done variable motion, and then drive the vibration of bed surface sorting unit.

Described flexibly packaged waste plastic mixture sorting device, the bed surface sorting unit comprises bed surface fixed mount, vibrated bed, upper rail and is fixed on lower guideway on the base, wherein the bed surface fixed mount in twos in opposite directions the sidewall correspondence be provided with longitudinally gathering sill, corresponding with gathering sill, each fixes a screw rod on four sidewalls of vibrated bed, screw rod passes gathering sill and is fixed by nut, the bed surface fixed mount is fixed on the upper rail, upper rail and lower guideway are slidingly connected, connecting rod and bed surface fixed mount are hinged, the head end of vibrated bed connects ventilated net, and end connects classified collection device.The bed surface fixed mount moves back and forth with upper rail under the driving of connecting rod, adjusts the angle of inclination that the height of screw rod in gathering sill can change vibrated bed, improves separating effect.

Described flexibly packaged waste plastic mixture sorting device, classified collection device adopt the middle collecting box that is provided with dividing plate.

Its operation principle is: the flexibly packaged waste plastic mixture after the fragmentation is evenly sent through vibrating material feeding device, falling within wind-force through delivery board blows floating on the ventilated net of device, waste plastics is blowed floating by certain angle and wind speed by the wind-force device that blows floating again, waste plastics drops on the diverse location of vibrated bed owing to the density difference in dropping process, realize preliminary sorting, then waste plastics on the vibration bed surface that tilts because density is different, frictional force is different, the movement locus of walking is also different, thereby realize the separation between the different plastic components, reach the purpose of sorting.

The present invention compared with prior art has the following advantages:

1, proposed to adopt the new method of various plastic components in the compound sorting technology sorting flexibly packaged waste plastic mixture of vibration of blowing floating, the method adopts the physical means separating plastic, has avoided the pollution to environment such as atmosphere and water resources.

2, solved the sorting problem of multiple plastic component in the waste or used plastics mixture, versatility is good, and simple in structure, and cost is low.

3, propose to adopt blow floating primary election and the selected technique of vibration sorting technology, efficiently solved the low problem of the complicated component rate of recovery in the flexibly packaged waste plastic mixture, improved the efficiency of separation of plastics.

4, the angle of inclination of vibrated bed is adjustable, has improved operability and the scope of application of equipment.

Description of drawings

Fig. 1 is the front view of illustrated embodiment;

Fig. 2 is top view embodiment illustrated in fig. 1;

Fig. 3 is the A-A cutaway view of middle velocity shock device embodiment illustrated in fig. 1;

Fig. 4 is that part B in embodiment illustrated in fig. 1 is to view.

Among the figure: 1, feeding hopper 2, high trestle 3, vibrating material feeding device 4, delivery board 5, ventilated net 6, electric fan 7, wind-force adjuster 8, wind direction regulating device 9, casing 10, reducing motor 11, main shaft 12, eccentric bushing 13, connecting rod 14, bearing 15, key 16, bed surface fixed mount 17, vibrated bed 18, upper rail 19, base 20, lower guideway 21, gathering sill 22, screw rod 23, nut 24, collecting box 25, dividing plate 26, baffle plate

The specific embodiment

In the embodiment shown in Fig. 1～4: vibrating material feeding device 3 is fixed on the high trestle 2, feeding hopper 1 is equipped with in the upper end of vibrating material feeding device 3, the lower end connects delivery board 4, blow floating ventilated net 5 in the device of wind-force is undertaken on the below of delivery board 4, send into from feeding hopper 1 through the flexibly packaged waste plastic mixture of fragmentation like this, under vibrating material feeding device 3 effects, evenly deliver to delivery board 4, then fall on the ventilated net 5; The wind-force device that blows floating comprises ventilated net 5, electric fan 6, wind-force adjuster 7, wind direction regulating device 8, wherein connect wind-force adjuster 7 above the air outlet of electric fan 6, in order to regulate the speed of blowing, wind direction regulating device 8 is housed in order to regulate the direction of blowing between ventilated net 5 and the wind-force adjuster 7, fall waste plastics to ventilated net 5 under suitable wind speed and direction effect, in falling process, according on the different vibrated beds 17 that can be ordered in the bed surface sorting unit of different, the floating distances of density, obtain preferably just minute effect of plastics; Vibrated bed 17 is driven by the velocity shock device, and the velocity shock device comprises casing 9, reducing motor 10, main shaft 11, eccentric bushing 12 and connecting rod 13, and wherein reducing motor 10 drives main shaft 11 rotations, and main shaft 11 drives eccentric bushings 12 and connecting rod 13 is done variable motion; The bed surface sorting unit comprises bed surface fixed mount 16, vibrated bed 17, upper rail 18 and the lower guideway 20 that is fixed on the base 19, wherein bed surface fixed mount 16 in twos in opposite directions the sidewall correspondence be provided with longitudinally gathering sill 21, corresponding with gathering sill 21, each fixes a screw rod 22 on four sidewalls of vibrated bed 17, it is fixing by nut 23 that screw rod 22 passes gathering sill 21, bed surface fixed mount 16 is fixed on the upper rail 18, upper rail 18 and lower guideway 20 are slidingly connected, connecting rod 13 is hinged with bed surface fixed mount 16, bed surface fixed mount 16 moves back and forth with upper rail 18 under the driving of connecting rod 13, adjust the angle of inclination that the height of screw rod 22 in gathering sill 21 can change vibrated bed 17, improve separating effect, through first minute plastics under vibrated bed 17 effects because density differentiated friction power is different, the different separation that realize between the different plastic components of the motion track of walking, vibrated bed 17 afterbodys are placed with the plastics collection box 24 with dividing plate 25, different types of plastics are collected, thereby reached the purpose of sorting.

Claims

1. flexibly packaged waste plastic mixture sorting device, comprise feeding hopper (1), be fixed on the vibrating material feeding device (3) on the high trestle (2), delivery board (4), wind-force blow floating device and classified collection device, wherein feeding hopper (1) is equipped with in vibrating material feeding device (3) upper end, the lower end connects delivery board (4), the wind-force device that blows floating is undertaken on the below of delivery board (4), it is characterized in that: the wind-force device that blows floating comprises ventilated net (5), electric fan (6), wind-force adjuster (7), wind direction regulating device (8), wherein the air outlet that makes progress of electric fan (6) is successively through wind-force adjuster (7), wind direction regulating device (8) connects ventilated net (5), ventilated net (5) is undertaken on the below of delivery board (4), set up velocity shock device and bed surface sorting unit, the output termination bed surface sorting unit of velocity shock device, the head end of bed surface sorting unit connects ventilated net (5), and end connects classified collection device.

2. flexibly packaged waste plastic mixture sorting device as claimed in claim 1, it is characterized in that: the velocity shock device comprises casing (9), reducing motor (10), main shaft (11), eccentric bushing (12) and connecting rod (13), wherein main shaft is installed on the casing (9) through bearing (14) level, and be fixedly connected with the output of reducing motor (10), the both ends that main shaft (11) is positioned at casing respectively fixedly mount an eccentric bushing (12), all through bearing (14) connecting rod (13) is installed on each eccentric bushing (12), the other end and the bed surface sorting unit of connecting rod (13) are hinged.

3. flexibly packaged waste plastic mixture sorting device as claimed in claim 2, it is characterized in that: the bed surface sorting unit comprises bed surface fixed mount (16), vibrated bed (17), upper rail (18) and be fixed on lower guideway (20) on the base (19), wherein bed surface fixed mount (16) in twos in opposite directions the sidewall correspondence be provided with longitudinally gathering sill (21), corresponding with gathering sill (21), each fixes a screw rod (22) on four sidewalls of vibrated bed, it is fixing by nut (23) that screw rod (22) passes gathering sill (21), bed surface fixed mount (16) is fixed on the upper rail (18), upper rail (18) and lower guideway (20) are slidingly connected, connecting rod (13) is hinged with bed surface fixed mount (16), the head end of vibrated bed (17) connects ventilated net (5), and end connects classified collection device.

4. flexibly packaged waste plastic mixture sorting device as claimed in claim 1 is characterized in that: the collecting box (24) that is provided with dividing plate (25) in the middle of classified collection device adopts.