CN101219566B

CN101219566B - Waste plastics processing system

Info

Publication number: CN101219566B
Application number: CN2008100704220A
Authority: CN
Inventors: 沈永灶
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-04
Filing date: 2008-01-04
Publication date: 2012-02-22
Anticipated expiration: 2028-01-04
Also published as: CN101219566A

Abstract

The invention discloses an waste plastic treatment system which comprises a tearing and crushing mechanism, a cleaning mechanism, an extrusion mechanism, a waste water and waste gas treatment mechanism and convey mechanisms between various mechanisms. The invention has the advantages of production line manufacturing, replacement of mold heat without shutdown and recycling utilization of waste water and during the treatment of waste plastic, waste water, waste slag and waste gas are exhausted only after the treatment and the relative parameters meet the exhausting standard requirements.

Description

A kind of waste plastics processing system

Technical field

The present invention relates to a kind of house refuse recovery and processing system, particularly a kind of waste plastics processing system.

Summary of the invention

Because not all people can both accomplish to protect that environment, particularly every day are daily touches (disposable plastic bag) symmetrical convenient bag in the actual life, or the use of other some disposable plastic articles, make entire society bring white pollution.According to imperfect statistics, waste plastics can reach sum 5%, so surprising numeral in the middle of people's house refuse.At present, generally handle waste plastics in the house refuse through dual mode: one, utilize incineration technology to generate electricity, bring the auxiliary air pollution problem like this.Two, clean recycling through go-on-go, this mode has a large amount of waste water, and toxic emission is contaminated environment once more.

Summary of the invention

To the shortcoming of existing Treatment of Waste Plastics contaminated environment, the present invention provides a kind of waste plastics processing system of environmental protection.

To achieve these goals, the scheme that the present invention taked is:

A kind of waste plastics processing system, this system comprises and tears crushing mechanism, wiper mechanism, extrusion molding mechanism; Waste water and gas processing mechanism, and connecting gear between each mechanism also comprise dehydrating mechanism; Also comprise pelleter and cooling bath, also comprise the Waste gas outlet of extrusion molding mechanism, the described crushing mechanism of tearing; Wiper mechanism dehydrates mechanism, and the Waste gas outlet of extrusion molding mechanism, places jointly in the seal box;

Described wiper mechanism comprises washes device and rinsing device by rubbing with the hands, washes by rubbing with the hands between device and the rinsing device to link to each other through feed screw, and wherein washing device by rubbing with the hands is that the two parallel rollers of washing by rubbing with the hands are arranged in the casing, and washing by rubbing with the hands has tusk on the roller, and two wash roller by rubbing with the hands all passes through drive of motor; Wherein rinsing device is that a U-lag is arranged in the casing, and a two screw thread rinsing roller is arranged in the U-lag, and two screw thread rinsing rollers pass through drive of motor; The hand of spiral at the two ends of two screw thread rinsing rollers is opposite each other, and there is an opening bottom of U-lag, and opening links to each other with the charging aperture of feed screw; There is impeller shaft the upper end of casing; Some impellers are arranged on the impeller shaft, and the driven by motor impeller shaft rotates, and makes the impeller interlock;

Described extrusion molding mechanism is made up of bimodulus head extrusion device and single mode head extrusion device, and described bimodulus head extrusion device is that a charging aperture is connected with two die heads, and a crowded material mouth is arranged on the die head; Charging aperture links to each other with hopper, and a helical axis is arranged in the extrusion device body, and helical axis is by drive of motor; The screw thread of helical axis is from the charging aperture to the crowded material mouth, and the tooth depth of screw thread diminishes gradually, communicates with discharge duct in the extrusion device body; The exhaust outlet of discharge duct communicates with seal box; The crowded material mouth place is provided with filter screen, and there is control valve the junction of two crowded material mouths, and control valve is used for controlling the switching of material by wherein any crowded material mouth; Single mode head extrusion device is that charging aperture connects a crowded material mouth, and a crowded material mouth is arranged on the die head, and charging aperture links to each other with hopper; One helical axis is arranged in the extrusion device body; Helical axis is by drive of motor, and the screw thread of helical axis is from the charging aperture to the crowded material mouth, and the tooth depth of screw thread diminishes gradually; Communicate with blast pipe in the extrusion device body, the crowded material mouth place is provided with filter screen;

Said waste water and gas processing mechanism comprises exhaust-gas treatment mechanism and wastewater treatment mechanism, and wherein exhaust gas processor is set up the exit in seal box; Wastewater treatment mechanism is by settling tank, and centrifuge and the pipeline that links to each other with the waste water mouth of various mechanisms in the system constitute;

Described connecting gear is belt conveyor and feed screw, and wherein feed screw is that a feeding screw axle is arranged in the cylindrical shell, and the feeding screw axle is through drive of motor, and the upper end is a discharging opening, and the lower end is a charging aperture; Belt conveyor with tear crushing mechanism and link to each other, tear between crushing mechanism and the wiper mechanism and link to each other through feed screw, wiper mechanism links to each other through feed screw with dehydrating between the mechanism.

Described centrifuge comprises a centrifugal shaft, net tube and outer container, and centrifugal shaft inside is hollow; Outside lower end is a screw thread, and funnel position, upper end is a straight burr, and the sidewall and the lower bottom part of net tube are mesh; Mesh can make water pass through, and the bottom of net tube has one, through driven by motor; There is a delivery port pump outer container lower end, and the top one is covered with the net tube totally, and there is a foreign material discharging opening on the top of outer container.

Beneficial effect of the present invention: streamline production, change die head and all shut down, in the process of the waste plastics of system handles, waste water, waste residue and waste gas just discharge after can reaching discharge standard after treatment.

Description of drawings

Fig. 1. the overall structure sketch map of waste plastics processing system.

Fig. 2. wash the front view of device by rubbing with the hands.

Fig. 3. the left view of Fig. 2.

Fig. 4. the front view of rinsing device.

Fig. 5. the structural representation of centrifuge.

Fig. 6. the structural representation of bimodulus head extrusion device.

Fig. 7. the left view of Fig. 6.

Fig. 8. the vertical view of bimodulus head extrusion device.

Fig. 9. the structural representation of feed screw.

The figure number explanation

1....... belt conveyor 2....... disintegrating machine

3...... wash device 4....... rinsing device by rubbing with the hands

5....... feed screw 6........ dewaterer

7........ drying device 8...... emission-control equipment

9...... bimodulus head extrusion device 10...... blast pipe

11....... single mode head extrusion device 12...... cooling bath

13........ pelleter 14...... settling tank

15...... valve 16...... centrifuge

17...... delivery port pump 18...... slush pump

19......... seal box 31....... washes roller by rubbing with the hands

311....... tusk 312...... washes axle by rubbing with the hands

32......... drainpipe 42...... impeller shaft

43....... impeller 41...... rinsing roller

45...... discharging opening 44....... drainpipe

46.......U shape groove 461....... rinsing discharging opening

161....... outer container 162........ nets tube

163...... helical axis 164...... foreign material discharging opening

91...... hopper 92...... helical axis

93...... die head 94...... control valve

933...... crowded material mouth 95...... charging aperture

51...... feeding screw axle 52...... cylindrical shell

53...... discharging opening 54...... motor

The specific embodiment

See also its implementation process of description of drawings:

See also Fig. 1, a kind of waste plastics processing system, this system comprises and tears crushing mechanism, wiper mechanism, extrusion molding mechanism, waste water and gas processing mechanism, and connecting gear between each mechanism;

Also comprise in the said treatment system and dehydrate mechanism;

Also comprise pelleter 13 and cooling bath 12 in the said treatment system; Pelleter 13 is the machines that can buy on the existing market, such as, the pelleter of the SQ-300 that great achievement plastics machinery factory in Taizhou city produces.Cooling bath 12 also is general on the market, such as, the Cangzhou City cooling bath that prosperous packaging container of metal Co., Ltd produces that shakes.

The described crushing mechanism of tearing is torn crushing mechanism and is comprised disintegrating machine 2 or shredder, and disintegrating machine or shredder all are can buy on the market, such as, the plastics shredder that the magnificent plastics machinery of Yixing City brocade Co., Ltd produces; The DT plastic disintegrating machine that land for growing field crops, Shenzhen plastics machinery Manufacturing Co., Ltd produces.Wiper mechanism dehydrates mechanism, and the Waste gas outlet of extrusion molding mechanism, places jointly in the seal box, and the waste gas that is produced in these processes can centralized collection, carries out exhaust-gas treatment then together, does not pollute the environment like this.The waste plastics of hand picking is sent to shredder through belt conveyor 1 or disintegrating machine 2 is torn fragmentation, makes the plastic flakes of bulk be processed into smaller one by one fragment.

See also Fig. 2, Fig. 3, Fig. 4; Described wiper mechanism comprises washes device 3 and rinsing device 4 by rubbing with the hands; The structure of wherein washing device 3 by rubbing with the hands is that the two parallel rollers 31 of washing by rubbing with the hands are arranged in the casing, washes the axle 312 of washing by rubbing with the hands that has tusk 311, two to wash roller 31 by rubbing with the hands on the roller 31 by rubbing with the hands and all passes through drive of motor; The plastic flakes of process disintegrating machine shredder processed is delivered to through feed screw 5 and is washed by rubbing with the hands in the device, and the concrete structure of feed screw 5 has concrete description in the back of specification.Plastic flakes falls in the pond of washing device 3 by rubbing with the hands, and two wash roller 31 by rubbing with the hands rotates by opposite direction, and plastic flakes mutual friction between two rollers is washed by rubbing with the hands, and the booty on the plastic flakes is washed by rubbing with the hands.The bottom is a helical axis, and one whole one instead squeezes sediment miscellaneous object to send again and will expect the discharge rinsing bath through discharging opening with conveyer through the centre.Drainpipe 32 is arranged at the bottom in pond, and the addle after the cleaning flow in the settling tank 14 through drainpipe 32, and then carries out the addle purified treatment.Plastic flakes after washing by rubbing with the hands is delivered in the rinsing device 4 by plastics feeder 5 again, and wherein rinsing device 4 has a U-lag 46 in the casing, and a two screw thread rinsing roller 41 is arranged in the U-lag 46; Half is positioned at U-lag 46 below two screw thread rinsing rollers 41, and two screw thread rinsing 41 rollers are through drive of motor, and the hand of spiral at the two ends of two screw thread rinsing rollers 41 is opposite each other; There is an opening bottom of U-lag, and this opening is rinsing discharging opening 461 just, and the plastic flakes of being washed by rubbing with the hands is transported in the U-lag of rinsing device 4; Two screw thread rinsing rollers 41 in the U-lag ceaselessly rotate in U-lag, and the plastic flakes in the U-lag is ceaselessly concentrated to the middle part from two ends in groove, and the plastic flakes of concentrating is got into rinsing discharging opening 461 at last; Rinsing discharging opening 461 links to each other with the charging aperture of feed screw 5, and plastic flakes is seen off through feed screw 5 then, and last plastic flakes is sent in the rinsing bath of rinsing device 4; Plastic flakes swims in the rinsing bath, and there is impeller shaft 42 upper end of casing, and some impellers 43 are arranged on the impeller shaft 42; Driven by motor impeller shaft 42 rotates, and makes impeller 43 interlocks, and impeller 43 gyrates; Make and swim in the water plastic flakes under the promotion of impeller 43; Move about forward, drifted out from the indentation, there on the top of casing at last, deliver to dewaterer 6 through feed screw 5 again and dewater by the plastic flakes of rinsing.Dewaterer is general on the market, can directly buy from market.Such as, the SS800 type INDUSTRY SPINDRYER that Suzhou Dehua Machinery and Equipment Co., Ltd. produces.Certainly, if plastic flakes is cleaner, can and wash device by rubbing with the hands without rinsing device in the native system.Plastic flakes directly carries out carrying out extruding pelletization again after extruding pelletization perhaps dehydrates.Plastic flakes after the dehydration generally also contains a spot of moisture, gets into to carry out drying in the drying device 7 again.The drying equipment that is adopted also is the general drying equipment in market, such as, Changzhou is the drying machine of drying equipment Co., Ltd step by step.Dehydrated dried plastic flakes is transported to 91 li in the hopper of bimodulus head extrusion device 9.

See also Fig. 6, Fig. 7, Fig. 8; Described extrusion molding mechanism is made up of bimodulus head extrusion device 9 and single mode head extrusion device 11, and described bimodulus head extrusion device 9 is that a charging aperture is connected with on two die heads, 93, one die heads 93 crowded material mouth 933 is arranged; Charging aperture links to each other with hopper 91, and a helical axis 92 is arranged in the extrusion device body, and helical axis 92 is by drive of motor; The tooth depth of the screw thread of helical axis 92 933 screw threads from the charging aperture to the crowded material mouth diminishes gradually; Communicate with blast pipe 10 in the extrusion device body, the exhaust outlet of blast pipe 10 communicates with seal box 19, and crowded material mouth 933 places are provided with filter screen; There is control valve 94 junction of two crowded material mouths 933, and control valve 94 is used for controlling the switching of material by wherein any crowded material mouth 933; Plastic flakes gets into charging aperture from the hopper 91 of bimodulus head extrusion device; The rotation that helical axis 92 does not stop; Make plastic flakes in body, be rotated ceaselessly extruding of axle 92, the plastics dope after being extruded is extruded from crowded material mouth 93, crowded material mouth 93 has a screen pack; Thick plastics just become a root filament through behind the screen pack.Thick plastics back warp often has the big impurity of particle, and behind the machine works certain hour, the impurity that particle is big can stop up screen pack, if change screen pack, must shut down and could operate, and this is the shortcoming of single mode head machine.The bimodulus head extrusion device that the present invention adopted; A control valve has been installed on the charging aperture of two die heads exactly,, only need valve have been controlled if the screen pack of one of them die head has been blocked; The material of charging aperture is extruded from the another one die head, then the screen pack of the die head of blocking is changed.So just can not shut down and change screen pack.Because adopt bimodulus head extrusion device among the present invention, in the process of draping, the plastic filament of from extrusion die, extruding is broken, and so just is unfavorable for the pelletizing of back.Single mode head extrusion device is that charging aperture connects a crowded material mouth, and a crowded material mouth is arranged on the die head, and charging aperture links to each other with hopper; One helical axis is arranged in the extrusion device body; Helical axis is by drive of motor, and the screw thread of helical axis is from the charging aperture to the crowded material mouth, and the tooth depth of screw thread diminishes gradually; Communicate with discharge duct in the extrusion device body, the crowded material mouth place is provided with filter screen;

See also Fig. 1, said waste water and gas processing mechanism comprises exhaust-gas treatment mechanism and wastewater treatment mechanism, and just emission-control equipment 8 is installed on the exit of seal box 19; Wastewater treatment mechanism is by settling tank 14, and centrifuge 16 and the pipeline that links to each other with the waste water mouth of various mechanisms in the system constitute, and wash device 3 by rubbing with the hands; Rinsing device 4; And dehydrate system 6,7, also have the waste water of all generations in the cooling bath 12 all to be transported in the settling tank 14 through pipeline; The position of settling tank 14 generally is lower than the position of other device in the system, is convenient to flowing of waste water like this.Certainly, the height of position can different as required settings.Water in the settling tank 14 is through valve 15, then through in the slush pump 18 suction centrifuges 16.In settling tank 14 the sewage disinfection, in each equipment of the entering system that is recycled, through centrifugal mechanism with foreign material and separated form water, again through the post precipitation recycle.

See also Fig. 9, described connecting gear is belt conveyor and feed screw, and wherein feed screw is that a feeding screw axle is arranged in the cylindrical shell, and the feeding screw axle is through drive of motor, and the upper end is a discharging opening, and the lower end is a charging aperture;

See also Fig. 1, Fig. 5, described centrifuge 16 comprises a centrifugal shaft 163, net tube 162 and outer container 161; Centrifugal shaft 163 inside are hollow, and the sewage that need handle hollow parts internally flows down, and centrifugal shaft 163 outside lower ends are spiral helicine screw thread; Funnel position, upper end is a straight burr, and straight burr scatters along the outer surface of the toroidal of fan-shaped centrifugal shaft, and the sidewall and the lower bottom part of net tube are mesh; Mesh can make water pass through, and the bottom of net tube has one, through driven by motor; There is a delivery port pump outer container lower end, and the top one is covered with the net tube totally, and there is a foreign material discharging opening on the top of outer container.Like this, soliqueous waste water and dregs flows down from the interior hollow parts of centrifugal shaft 163, and net tube 162 gyrates; Wherein water flows out in the net tube and gets into the outer container 161; Impurity in the net tube 162 is more and more, can move upward around centrifugal shaft 163 then, because cylindrical shell 162 has common lid with outer container 161; Block impurity and move upward, impurity have to be extruded from foreign material discharging opening 164.Waste water is pumped to 14 li of settling tanks from delivery port pump 17.

In other words, this produces improved disintegrating machine, and the water washing and filtering of in shattering process, carrying out stopping using, friction are washed by rubbing with the hands, rinsing; Reach production basic demand material (referring to plastics) and add drawing-in device through a pressure and carry out feeding (referring to feed the granulation machine), prilling granulator is through improving equipment, can being with the direct granulation of water material; Accepting feed system provides and mainly conveniently changes screen pack; Die head is double mode head, divides left and right sides die head, and the back is a control valve.When a die head filters, when foreign material are blocked die head, can click the back control valve and switch to another die head to the material of barrel and filter, the device of such bimodulus head can not stop granulation continuously.

This dress waste water treatment process and process units fuse, and integral sealing and a plurality of sewage disposal case link together, and fundamentally stop the waste water outflow, and the sewage that causes can environmental pollution.Sewage disposal partly is divided into two covers or overlaps more, does not just shut down when guaranteeing to produce and can remove mud and normal water supply, and flushing swept away next before this from disintegrating machine drift ice pond; In cesspool, flow to down the mouth of a river, 4 or more a plurality of mouths of a river are down arranged altogether, each is provided with valve and screen pack in mouth of a river down; When a screen pack has foreign material to block the valve open of another mouthful; Turn off a mouth valve of blocking, clean out screen pack again and press down the screen pack of clear up, two mouths are draping usefulness more; Sewage flows to through screen pack from the following mouth of a river and goes in the cesspool, just filters so together and disposes some floating things and other thicker foreign material.Much cesspool also divides five joints or decides more as required; At least two rows about will being divided into; When needing cleaning, turn off another row, be extracted into the sewage of cleaning to handle then and be discharged in another foul water tank through centrifuge once row, the pond be divided into 52 or mostly are trapezoidal shapes.Let the water that precipitated flow to next cesspool from above and wash waste plastics along the water of such recycling.Add thimerosal etc. from the following mouth of a river in this process, the sterilization that circulates has guaranteed the security of human body contact.Whether each little water tank all has manhole and photoscope, how much can see the interior deposition of casing clearly, clear up.Clear up the waste residue sediment and do not stop production when the above cesspool of such two covers has ensured production.This device output can be made from 1T-50T/24 hour or can decide as requested more greatly according to the production needs are supporting.

This machine production procedure is earlier material to be rendered on the conveyer through hand picking, on conveyer, delivers to disintegrating machine or shredder, and adds water and wash fragmentation, after fragmentation can adopt one or more sets to carry fragmentations.Use feed screw again; Delivering to friction and washing or directly deliver to rinsing in the potcher by rubbing with the hands, rinse cycle such as glar and foreign material are many, fail sedimentary with the conveying worm dried sediment of releasing with one; The cleannes that keep service sink guarantee to clean material and totally spend.According to output and the requirement of thing amount clean level, can service sink be widened or strengthen and deepen etc., or add cleaning machine again; Deliver to dewaterer through screw feeding again, after can also can directly be with the water granulation through drying machine; Granulating system is that a cover composite aircraft pelleting main machine is bimodulus head or multimode head, and die head has control valve at the back, mainly is to filter when a die head; Thereby guaranteed the continuity of producing; Improve benefit, carried out wire drawing, pelletizing, packing, this flow production line from the main frame material to handset; From be crushed to packing can adopt one or more sets machines to cooperate as (crushing under feeding can add broken 2,3 can) decide according to producing needs, all are in order to cooperate the production continuity.With extrude output material quantity delivered technological requirement etc. and decide, comprise electric heating temperature etc., different material needs different temperatures; After setting suitable temperature, machine is control proper temperature scope automatically, after fragmentation, carries cleaning; Hermetically sealed form is all adopted in dehydration feeding oven dry, has guaranteed the workshop air cleaning, in order to avoid environmental pollution; Waste gas reaches the requirement of no discharging waste gas basically through pushing up a last emission-control equipment in the seal box.

Claims

1. waste plastics processing system; This system comprise set gradually tear crushing mechanism, wiper mechanism, dehydrate mechanism, the connecting gear between the extrusion molding mechanism, above-mentioned each mechanism and pelleter and the cooling bath that after extrusion molding mechanism, is provided with, in addition, this system also comprises the waste water and gas processing mechanism; Said extrusion molding mechanism has Waste gas outlet; The Waste gas outlet that describedly tear crushing mechanism, wiper mechanism, dehydrates mechanism and extrusion molding mechanism places in the seal box jointly, and said waste water and gas processing mechanism comprises exhaust-gas treatment mechanism and wastewater treatment mechanism, and exhaust-gas treatment mechanism is installed on the exit of seal box; It is characterized in that; Described wiper mechanism comprises washes device and rinsing device by rubbing with the hands, washes by rubbing with the hands between device and the rinsing device to link to each other successively through feed screw, and wherein washing device by rubbing with the hands is that the two parallel rollers of washing by rubbing with the hands are arranged in the casing; Washing by rubbing with the hands has tusk on the roller, two wash roller by rubbing with the hands all passes through drive of motor; Wherein rinsing device is that a U-lag is arranged in the casing, and a two screw thread rinsing roller is arranged in the U-lag, and two screw thread rinsing rollers pass through drive of motor; The hand of spiral at the two ends of two screw thread rinsing rollers is opposite each other, and there is an opening bottom of U-lag, and opening links to each other with the charging aperture of feed screw; There is impeller shaft the upper end of casing; Some impellers are arranged on the impeller shaft, and the driven by motor impeller shaft rotates, and makes the impeller interlock.

2. a kind of waste plastics processing system according to claim 1 is characterized in that, described extrusion molding mechanism is made up of bimodulus head extrusion device and single mode head extrusion device; Bimodulus head extrusion device links to each other with single mode head extrusion device successively, and described bimodulus head extrusion device is that a charging aperture is connected with two die heads, and a crowded material mouth is arranged on the die head; Charging aperture links to each other with hopper, and a helical axis is arranged in the extrusion device body, and helical axis is by drive of motor; The screw thread of helical axis is from the charging aperture to the crowded material mouth, and the tooth depth of screw thread diminishes gradually, communicates with exhaust duct in the extrusion device body; The exhaust outlet of blast pipe communicates with seal box; The crowded material mouth place is provided with filter screen, and there is control valve the junction of two crowded material mouths, and control valve is used for controlling material and is opened and closed by wherein any crowded material mouth; Single mode head extrusion device is that charging aperture connects a crowded material mouth, and a crowded material mouth is arranged on the die head, and charging aperture links to each other with hopper; One helical axis is arranged in the extrusion device body; Helical axis is by drive of motor, and the screw thread of helical axis is from the charging aperture to the crowded material mouth, and the tooth depth of screw thread diminishes gradually; Communicate with discharge duct in the extrusion device body, the crowded material mouth place is provided with filter screen.

3. a kind of waste plastics processing system according to claim 2 is characterized in that, wastewater treatment mechanism is by settling tank, and centrifuge and the pipeline that links to each other with the waste water mouth of various mechanisms in the system constitute.

4. a kind of waste plastics processing system according to claim 3 is characterized in that, described connecting gear is belt conveyor and feed screw; Wherein feed screw is that a feeding screw axle is arranged in the cylindrical shell; The feeding screw axle is through drive of motor, and the upper end is a discharging opening, and the lower end is a charging aperture; Belt conveyor with tear crushing mechanism and link to each other, tear between crushing mechanism and the wiper mechanism and link to each other through feed screw, wiper mechanism links to each other through feed screw with dehydrating between the mechanism.

5. a kind of waste plastics processing system according to claim 4 is characterized in that described centrifuge comprises a centrifugal shaft, net tube and outer container; Centrifugal shaft inside is hollow, and outside lower end is a screw thread, and funnel position, upper end is a straight burr, and the sidewall and the lower bottom part of net tube are mesh; Mesh can make water pass through, and the bottom of net tube has one, through driven by motor, water is separated with foreign material; There is a delivery port pump outer container lower end, and the top one is covered with the net tube totally, and there is a foreign material discharging opening on the top of outer container.