CN104139470B

CN104139470B - A kind of thin film class technics of reclaim of plastic waste recycling washing, purifying system

Info

Publication number: CN104139470B
Application number: CN201410347036.7A
Authority: CN
Inventors: 曹堪洲; 范刚华; 徐涛
Original assignee: JIANGSU JINWO MACHINERY CO Ltd
Current assignee: JIANGSU JINWO MACHINERY CO Ltd
Priority date: 2014-07-21
Filing date: 2014-07-21
Publication date: 2016-08-24
Anticipated expiration: 2034-07-21
Also published as: CN104139470A; CN105856455A; CN105856455B

Abstract

The invention discloses thin film class technics of reclaim of plastic waste recycling washing, purifying system and washing and purifying method, after using shredder to shear waste materials by mechanical shear, primary wash sediment removes heavy seeds, then washed by multistage rotary drum in many rotary drums washing separation device, and control the up flow velocity of each lower water inlet injection washings, effectively remove the light impurity being mingled in material or the different material that there is difference of specific gravity is isolated in washing, and then utilizing double-screw impregnator that the plastics tablet obtained shearing is rubbed neat and well spaced one-tenth small pieces and pellet shape granule, dry storage is standby.This method and system can realize paper mill solid gurry comprehensive utilization, waste paper fibre and waste or used plastics and be separately recovered recycling; and automatization, large-scale industrial production can be realized; comprehensive utilization ratio is up to more than 90%; and recycled by washings and can reduce water consumption 50 ~ 80%; reduce environmental pollution; ensure that the seriality of production, saved production space, there is significant meaning.

Description

A kind of thin film class technics of reclaim of plastic waste recycling washing, purifying system

Technical field

The present invention relates to a kind of technics of reclaim of plastic waste washing, purifying system and washing and purifying method, be specifically related to a kind of thin film class Technics of reclaim of plastic waste recycling washing, purifying system and washing and purifying method.

Background technology

The development of plastics industry, brings big advantages to the mankind, but stays infinite future trouble i.e. " white pollution ".Since having Plastic, has just been inevitably generated old plastics, and has elapsed over time, and more new raw materials come into operation, Make waste or used plastics in significantly rising.It is difficult to degradation with aging due to waste or used plastics at normal temperatures, thus is formed and grow with each passing day White pollution, makes ecological environment subject to severe risks of damage.

China's plastic yield, consumption all occupy the whole world first, about three kilograms (people from developed country of year consumer plastic per capita All years consume eight kilograms), white pollution degree occupies the whole world the 4th.With discarded plastic for Raw material processing again Raw granule market is well sold and in short supply, can realize the benign cycle of the utilization of resources, of far-reaching significance.Agricultural film, convenient bag, bag of cement, food The thin film class waste or used plastics such as product packaging bag, woven bag, are all the raw material sources of regeneration granule.In particular with waste paper conduct The paper mill of raw material, waste paper per ton can produce the solid gurry of 5～8%, wherein with polypropylene, polyethylene film class is waste and old moulds Material is main, accounting 80～90%, by the paper mill of 1,000,000 tons of lateral moulds of annual output, the solid gurry 5 of year generation～80,000 tons, contains Waste or used plastics 4～70,000 tons, recycle and can produce huge economic benefit, reduce environmental pollution simultaneously.

Owing to thin film class waste or used plastics unit weight is low, volume is big, complicated component, particularly broken and washing, purifying difficulty, needs Expending substantial amounts of water resource, existing reclaiming field mainly produces with casual household, small workshop mode, is simply equipped, small scale, Easily cause secondary environmental pollution.

Summary of the invention

Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of thin film class technics of reclaim of plastic waste Recycling washing, purifying system, and then a kind of thin film class technics of reclaim of plastic waste recycling washing and purifying method is provided.

Technical scheme: for solving above-mentioned technical problem, the thin film class technics of reclaim of plastic waste recycling washing that the present invention provides is clean Change system, by material operation traffic direction, washes including the first conveying equipment, shredder, the second conveying equipment, rotary drum Wash machine, many rotary drums washing separation device, tablet pump, inclined helix dehydrator, buffer bin, the 3rd conveying worm, Double-screw impregnator, drying machine, the 4th conveying equipment and storage bin；The discharging opening of described first conveying equipment is just to tearing up The charging aperture of machine, the discharging opening of described shredder just charging aperture to the second conveying equipment, going out of described second conveying equipment Expect the mouth charging aperture just to tumbler-type washing machine, the discharging opening of described tumbler-type washing machine and many rotary drums washing separation device In charging aperture connection, be provided with container below the discharging opening of described many rotary drums washing separation device, described tablet pump is located at Between this container and inclined helix dehydrator, the input of tablet pump is arranged in the cavity volume of this container, the output of tablet pump End connects with the charging aperture of inclined helix dehydrator, and the discharging opening of described inclined helix dehydrator connects with the charging aperture of buffer bin Logical, the discharging opening of described buffer bin and the charging aperture connection of the 3rd conveying worm, going out of described 3rd conveying worm Material mouth connects with the charging aperture of double-screw impregnator, and the discharging opening of described double-screw impregnator connects with the charging aperture of drying machine Logical, the charging aperture connection of the discharging opening of described drying machine and the 4th conveying equipment, the discharging opening of described 4th conveying equipment and The charging aperture connection of storage bin.

Preferably, described first conveying equipment and the second conveying equipment and the 4th conveying equipment be chain scraper conveyor or belt defeated Send machine.

Preferably, tumbler-type washing machine therein includes body, rotary drum, rotary drum driving device；Described body one upper lateral part Being provided with charging aperture, its opposite side is provided with discharging opening, is provided with washing cavities in body, in washing cavities is located at by described rotary drum and by turning Drum driving means drives and rotates；Organism bottom shape below described rotary drum position is inversed taper platform shape；Described body is adjacent to entering One end of material mouth is provided with water inlet, and the lower section of the lower frustum mouth of the inversed taper platform shape of described organism bottom is provided with and lower frustum mouth The body of connection, tube wall is provided with lower water inlet；The lower section of described body is provided with sediment pipe, the upper end of described sediment pipe Being provided with blow valve, lower end is provided with lower blow valve.The tumbler-type washing machine using this structure can be by lower water inlet water inlet shape Becoming up current, the material effectively reducing proportion lighter is precipitated downwards by the thrust of up current, only makes proportion heavier Heavy seeds such as metal object, stone etc. sink to sediment pipe, can effectively remove the heavy seeds in material, and be significantly reduced The loss that material easily causes during washing separates impurity.

Preferably, many rotary drums washing separation device therein includes that body, top, described body one end are provided with charging aperture, Its other end is provided with discharging opening, is provided with washing cavities, is provided with rotary drum in described washing cavities, at charging aperture and discharging opening in body Between set gradually two or more rotary drum；Described organism bottom shape is multiple inversed taper platform shape arranged side by side, inversed taper platform The position of shape and rotary drum position one_to_one corresponding, and it is positioned at the lower section of corresponding rotary drum position；Described body is adjacent to charging aperture One end be provided with water inlet, the lower section of the lower frustum mouth of described organism bottom each inversed taper platform shape is all correspondingly provided with and lower frustum The body of mouth connection, each tube wall is all correspondingly provided with lower water inlet；The lower section of each body is all correspondingly provided with jetsam pipe, respectively The upper end of jetsam pipe is all correspondingly provided with loading and unloading material valve, and lower end is all correspondingly provided with lower discharge valve.One is entered as this preferred version Step is preferably: each lower water inlet of described many rotary drums washing separation device is all correspondingly provided with current velocity controller, described respectively All being correspondingly provided with current meter, described loading and unloading material valve and corresponding lower discharge valve in body is the automatic of interval alternately keying Valve.This many rotary drums washing separation device can be injected simultaneously into washings by upper and lower water inlet, and alternately open and close go up, The method of lower discharge valve, the proportion utilizing different material in mixed material is different, controls the washing that each lower water inlet injects The up flow velocity of water, effectively washs and isolates the different material that there is difference of specific gravity.Can pass successively by configuring further The up flow velocity of the washings that each the lower water inlet subtracted injects, it is thus achieved that the laddering separation of mixed material and incrementally deposit effect Really.Current velocity controller, current meter can be passed through simultaneously, more accurately control flow rate of water flow, automatic by automatic valve Buildup discharging, the seriality that effective guarantee produces.

Preferably, described inclined helix dehydrator includes spiral case, is provided with to be driven by driving device for slow-run and revolves in spiral case The spiral turned, the spiral of described spiral case and inside thereof is obliquely installed from low to high along material conveying direction, described spiral The two ends of shell are respectively the oblique lower end of shell and the oblique upper end of shell, and described shell is positioned at the top of the oblique lower end of shell and is provided with charging Mouthful, the bottom being positioned at the oblique lower end of shell is provided with discharge outlet, and the bottom being positioned at the oblique upper end of shell is provided with discharging opening, described spiral The lower parallel being positioned at spiral in shell is provided with sieve plate.

Buffer bin therein can be selected for popular response storehouse, this area, as a further improvement on the present invention, perfectly even falls Material formula buffer bin.Described uniform blanking type buffer bin, including warehouse and uniform doffer, warehouse top be provided with into Material mouth, is provided with blanking port bottom warehouse；Described uniform doffer, including housing, is provided with load displacing screw, shell in housing Body one side lower part is provided with the discharging opening of reaction warehouse, and the charging aperture of this uniform doffer is the blanking bottom reaction warehouse warehouse Mouthful；Described load displacing screw includes helical axis and the helical blade being arranged on helical axis, and described helical axis is positioned on discharging opening The position of side is fixed with uniform blanking ring, and described uniform blanking ring is consistent with the central axis of described helical axis；Described all Even blanking ring includes body and multi start thread blade, and described multi start thread blade is fixedly connected on the outer wall of body, described The body retainer ring helical blade around being socketed on helical axis, in the rotation direction of described multi start thread blade and described load displacing screw Rotation direction is consistent.As a further improvement on the present invention, the warehouse of this uniform blanking type reaction warehouse is trapezoidal side storehouse；Described all Even doffer includes that the load displacing screw of more than two, every load displacing screw all include helical axis and helical blade, described spiral shell Vane sheet is the variable-pitch auger blade gradually changed from small to big along conveying direction pitch；The helical axis of every load displacing screw is positioned at Position above discharging opening is all fixed with uniform blanking ring, the helical axis central axis that each uniform blanking ring is corresponding Unanimously, the helical blade rotation direction on load displacing screw that the multi start thread blade on each uniform blanking ring is corresponding is consistent； The load displacing screw of described more than two independently drives, and the helical axis of adjacent load displacing screw reversely rotates.This uniform blanking Formula reaction warehouse can realize uniform blanking, beneficially downstream pulping equipment steady production, fluctuation of load width by uniform blanking ring Spend by original more than one times be reduced to 10～15% within, reduce equipment failure rate, improve equipment dependability, surely Determine stock quality.On this basis, can be reversely rotated by the load displacing screw of more than two further so that material exists On neighbouring load displacing screw two reversely rotate especially anti-interior under the common promotion of the helical blade rotated, and more equalize Passage forward, then the stirring through uniform blanking ring is broken up, and continuous uniform must fall to upstream device from discharging opening.Row On material spiral the varying pitch of helical blade can be designed so that material in course of conveying along helical axis conveying direction by being full of State is gradually transitions loose condition (of surface), improves efficiency, reduces spiral operating load and abrasion.

Preferably, the double-screw impregnator in native system, such as the Application No. in JIUYUE in 2012 submission on the 11st 201210332112.8, the Chinese patent Shen of entitled " a kind of double-screw impregnator " of Publication No. CN 102864669 A Described in please, entire contents be incorporated herein by reference.The mandate can also submitted to for 11st such as JIUYUE in 2012 Number be ZL 201220458032.2 entitled " a kind of double-screw impregnator " Chinese patent application described in, its Full content is incorporated herein by reference.Above-mentioned double-screw impregnator include frame and the motor being arranged in frame, Speed-changing gear box, movable crown gear coupling, machine barrel and two screw rods, described motor is by speed-changing gear box and can Shifting formula crown gear coupling and two screw drive connect, and described two screw rods are parallel to each other and are rotatably arranged in described In machine barrel, described machine barrel one end is provided with charging aperture, and the other end is provided with discharging opening；Described screw rod is the most sheathed along conveying direction There are the first conveyor screw set, the first extrusion spiral set, the second conveyor screw set, the second extrusion spiral set, the 3rd conveying spiral shell Rotation set and the 3rd extrusion spiral set, the hand of spiral of described first, second, third conveyor screw set with described first, The hand of spiral of second, third extrusion spiral set is contrary, and the pitch of described first conveyor screw set gradually subtracts along conveying direction Little；Described machine barrel bottom is provided with waste liquid hole；Slot is had on the spiral shell rib of described first, second, third extrusion spiral set； Described machine barrel is upper and lower dissection type machine barrel, including the symmetrical upper half machine barrel being fixedly installed in frame connected and able to turn on or off The lower half machine barrel being connected in frame.Preferably, described machine barrel top is provided with and adds with the 3rd conveyor screw liquid corresponding to set Hand-hole.

Drying machine therein can be selected for this area conventional dryers, preferably mesh-belt drier.Described mesh-belt drier bag Include cabinet and multi-level dryer mesh belt device；The top of described cabinet is provided with charging aperture, and bottom is provided with discharging opening；Described many Layer drying machine mesh belt device includes the conveyer belt of multilamellar horizontally set, and described in the vertical direction, multilamellar conveyer belt head and the tail section is handed over Wrong setting, along material conveying direction, the head end of next layer of conveyer belt stretches out the tail end of last layer conveyer belt；Described charging aperture Being positioned at above the head end of top conveyer belt, described discharging opening is positioned at below the tail end of lowermost layer conveyer belt；Described cabinet week Enclosing and be provided with some air-heaters and some wet-emitting blowers, described air-heater is by air channel and guide duct and multi-level dryer net The air inlet, the air outlet that arrange on belting connect, and described wet-emitting blower is filled with multi-level dryer guipure by dehumidifying pipelines The moisture exhausting port putting setting connects.

For solving above-mentioned technical problem, a kind of thin film class technics of reclaim of plastic waste recycling washing, purifying side that the present invention provides Method, the thin film class technics of reclaim of plastic waste recycling washing, purifying system that its use is above-mentioned, the method includes:

1. material papering section:

Material is delivered to after shredder is broken into tablet by the first conveying equipment；Then it is delivered to turn by the second conveying equipment Drum washing machine add washings adjust concentration be 3～5% carry out washing, sediment, remove the heavy seeds being mingled in material；

2. centrifugal station is washed:

Water-containing materials after the washing export material papering section is delivered to many rotary drums washing separation device, utilizes thin film class to give up The aqueous scraps of paper, plastics tablet and the difference of specific gravity of water mixed in old plastics, washs and isolates the aqueous scraps of paper and plastics tablet, The aqueous scraps of paper go out from each jetsam bank of tubes, and plastics tablet is pulled over and moved forward to discharging opening, are then pumped to inclined screw by tablet pump and take off Water machine is removed residual impurity further and is dehydrated, and residual impurity and water are arranged by the screen cloth mesh of inclined helix dehydrator Go out；

3. machinery rubs neat and well spaced section:

Plastics tablet after washing the dehydration that centrifugal station exports again is delivered to buffer bin；The discharge spiral shell of buffered feed bin The material of rotation metering output is delivered to double-screw impregnator by the 3rd conveying worm, is sheared and rubs in double-screw impregnator It is twisted into small pieces and pellet shape granule, the simultaneously free water in extruded material；

4. dry storage section:

The plastics tablet that machinery is rubbed neat and well spaced section of output is delivered to drying machine hot air drying, then defeated by the 4th conveying equipment Deliver to storage bin storage.

Preferably, described 2. washing centrifugal station be: by 1. material papering section export mix the aqueous scraps of paper, plastics tablet and The rear film class waste or used plastics of washing of water is delivered to many rotary drums washing separation device, upper from many rotary drums washing separation device While water inlet injection washings, from each, water inlet injects washings, the washings that water inlet injects from each Up flow velocity, is set to the difference less than the gravity of the scraps of paper in washings with buoyancy of the impulse force so that current up in each body, with Time more than the difference of the gravity of plastics tablet in washings with buoyancy；Wash by homodromal multiple rotary drums, separate, beat Dissipate material, alternately open and close each loading and unloading material valve and each lower discharge valve is discharged and is deposited on the aqueous scraps of paper in each jetsam pipe；By same To the multiple rotary drums rotated plastics tablet pulled over and move forward to discharging opening, be then sent to inclined helix dehydrator and remove further Residual impurity also completes the screen cloth mesh discharge by inclined helix dehydrator of dehydration, residual impurity and water.Preferably, described 2., in washing centrifugal station, from each of many rotary drums washing separation device, the up flow velocity of water inlet injection is The washings of 0.01m/s～0.3m/s.Above-mentioned preferred method can remove the light impurity being mingled in material further, as In the proportion current the most up in each body of many rotary drums washing separation device of the aqueous scraps of paper more than 1 gradually under Heavy, the plastics tablet that proportion is lighter swims in rotate with rotary drum in washings and pulls over to outbound course, and at up current Under effect, plastics tablet seldom enters in body from each lower frustum mouth, also can be by the most up current refunds even if falling into In the washing cavities of body；Final plastics tablet is pulled over by rotary drum and is moved forward to discharging opening, and the sedimentation accumulation of the aqueous scraps of paper is each heavy In material pipe, alternately open and close discharge by loading and unloading material valve and lower discharge valve.

After entering washing cavities in order to avoid mixed material, the most fully absorbed water profit, is the most sufficiently washed Breaing up, just a large amount of fall into jetsam pipe by coming lower frustum mouth above and body deposition, the deposition so obtained separates Material is more or meromict state, cleannes do not reach requirement yet.Thus as the further improvement of present method invention, In described 2. washing centrifugal station, along the mixed material horizontal feed direction of many rotary drums washing separation device, from each The up flow velocity of the washings that water inlet injects successively decreases successively.Because the up flow velocity of first lower water inlet is relatively large, So the impulse force of up current is relatively big, entrance washing cavities is in the mixed material that the first rotary drum washing is broken up, and small part is through inhaling Water profit is opened, breaks up, is separated the most sufficient aqueous scraps of paper, and current the most up in could passing through first body are gradually Sink, and the material of meromict state cannot sink；Containing the lighter plastics tablet Buddhist monk of proportion the most fully moisten aqueous The mixed material mixing of the scraps of paper swims in washings, is pulled over to the washing control zone of follow-up rotary drum and continues washing, breaks up, Water suction profit further is disperseed the most abundant, and the material of meromict state gradually decreases, the washing that each lower water inlet injects The up flow velocity of water successively decreases successively, the profit progressively increased can be made to open, break up, separates the most sufficient aqueous scraps of paper, land Continuous gradually sunk by each follow-up body, thus obtain more preferable laddering separating effect and incrementally deposition effect.

Preferably, the hot blast of the drying machine of described 4. dry storage section uses jet chimney indirectly to heat, and steam pressure is 0.4～0.6MPa.Another kind is preferably, and the hot blast of the drying machine of described 4. dry storage section uses electrical heating.

Preferably, the sediment impurity obtained after tumbler-type washing machine washing in described 1. material papering section enters fixed-end forces system System, described wash the aqueous scraps of paper in centrifugal station the most again and is discharged into waste paper through the jetsam pipe of many rotary drums washing separation device Repulping recovery system, the residual impurity discharged by the sieve plate mesh of inclined helix dehydrator and water are entered water and process system System, purifies Posterior circle through precipitation and is back to washing process；Described 3. machinery is rubbed and is discharged by draining filter screen in neat and well spaced section Free water enters water treatment system, purifies Posterior circle through precipitation and is back to washing process.

Beneficial effect: the thin film class technics of reclaim of plastic waste that the present invention provides recycles washing, purifying system and washing and purifying method In, after using shredder to shear waste materials by mechanical shear, primary wash sediment removes heavy seeds, then washes at many rotary drums Wash in segregation apparatus and washed by multistage rotary drum, and control the up flow velocity of the washings that each lower water inlet injects, effectively go Except the different material that there is difference of specific gravity is isolated in the light impurity being mingled in material or washing, and then twin screw is utilized to impregnate The plastics tablet obtained is sheared and is rubbed neat and well spaced one-tenth small pieces and pellet shape granule by machine, and dry storage is standby.This method and system Paper mill solid gurry comprehensive utilization, waste paper fibre and waste or used plastics can be realized and be separately recovered recycling, and can realize automatization, Large-scale industrial produce, effect a radical cure small workshop mode dispersion processing secondary environmental pollution problem, comprehensive utilization ratio up to more than 90%, And washings consumption 50～80% can be reduced, while reducing environmental pollution by recycling of washings, it is ensured that The seriality produced, has saved production space, has had significant meaning.

Further, the washing, purifying system that the present invention provides, tumbler-type washing machine can be used to be intake by lower water inlet Forming up current, the material effectively reducing proportion lighter precipitates downwards, only make the heavier heavy seeds such as metal object of proportion, Stones etc. sink to sediment pipe, can effectively remove the heavy seeds in material, and greatly reduce material in washing separation The loss easily caused during impurity.

Further, the washing, purifying system that the present invention provides, uniform blanking type buffer bin can be used with by uniformly Blanking ring realizes uniform blanking, beneficially downstream pulping equipment steady production, and fluctuation of load amplitude is by original more than one times Within being reduced to 10～15%, reduce equipment failure rate, improve equipment dependability, stabilize stock quality；

Further, the washing, purifying system that the present invention provides, mesh-belt drier hot air drying plastics tablet can be used, Save and produce space, improve efficiency.

Further, the washing, purifying system and method that the present invention provides, dress can be separated in the many rotary drums washing used In putting, by configuring the up flow velocity of the washings that each the lower water inlet successively decreased successively injects, it is thus achieved that mixed material goes forward one by one Formula separates and incrementally deposition effect.Flow rate of water flow is more accurately controlled also by current velocity controller, current meter, By automatic valve automatic buildup discharging, the seriality that produces of effective guarantee.

Accompanying drawing explanation

Fig. 1 is the structural representation of thin film class technics of reclaim of plastic waste recycling washing, purifying system；

Fig. 2 is the structural representation of tumbler-type washing machine；

Fig. 3 is the left view of Fig. 2；

Fig. 4 is the structural representation of many rotary drums washing separation device；

Fig. 5 is the left view of Fig. 4；

Fig. 6 is the structural representation of rotary drum in many rotary drums washing separation device；

Fig. 7 is the structural representation of inclined helix dehydrator；

Fig. 8 is the structural representation of uniform blanking type buffer bin；

Fig. 9 is the structural representation of uniform blanking ring in uniform blanking type buffer bin；

Figure 10 is the structural representation of uniform doffer two load displacing screws of configuration in uniform blanking type buffer bin；

Figure 11 is the structural representation of mesh-belt drier；

Figure 12 is the top view of Figure 11.

Detailed description of the invention

Below in conjunction with the accompanying drawings, the present invention is further described by the embodiment of system and the embodiment of method.

As it is shown in figure 1, this thin film class technics of reclaim of plastic waste recycling washing, purifying system, by material operation traffic direction, Separate including the first conveying equipment 1, shredder the 2, second conveying equipment 3, tumbler-type washing machine 4, the washing of many rotary drums Device 5, tablet pump 6, inclined helix dehydrator 7, buffer bin the 8, the 3rd conveying worm 9, double-screw impregnator 10, Drying machine the 11, the 4th conveying equipment 12 and storage bin 13；The discharging opening of described first conveying equipment 1 is just to shredder 2 Charging aperture, the discharging opening of described shredder 2 just charging aperture to the second conveying equipment 3, described second conveying equipment 3 Discharging opening just charging aperture to tumbler-type washing machine 4, the discharging opening of described tumbler-type washing machine 4 washs with many rotary drums Charging aperture connection in segregation apparatus 5, is provided with container below the discharging opening of described many rotary drums washing separation device 5, institute Stating tablet pump 6 to be located between this container and inclined helix dehydrator 7, the input of tablet pump 6 is arranged on the volume of this container Intracavity, the outfan of tablet pump 6 connects with the charging aperture of inclined helix dehydrator 7, the discharging of described inclined helix dehydrator 7 Mouth connects with the charging aperture of buffer bin 8, the discharging opening of described buffer bin 8 and the charging aperture of the 3rd conveying worm 9 Connection, the described discharging opening of the 3rd conveying worm 9 connects with the charging aperture of double-screw impregnator 10, described twin screw The discharging opening of impregnator 10 connects with the charging aperture of drying machine 11, and the discharging opening of described drying machine 11 and the 4th conveying set The charging aperture connection of standby 12, the described discharging opening of the 4th conveying equipment 12 connects with the charging aperture of storage bin 13.

Wherein, the first conveying equipment 1 and the second conveying equipment 3 and the 4th conveying equipment 12 are chain scraper conveyor or belt Conveyer.The crushing mechanism structure of shredder 2 therein is by the stationary knife being fixed in casing and two relative counter-rotatings Rotor forms, and after material enters shredder, relies on composition between some cutterheads and cutterhead and the stationary knife between two rotors Shearing pair, material cutting is broken into the tablet of certain size, rotor is spline or the axle of hexagon section and string by centre The cutterhead that is loaded on axle is constituted, and can adjust the size of material after shearing by adjusting cutterhead thickness；Shredder can root Hilted broadsword roll structure is configured, it would however also be possible to employ double knife roller or many knife roller structures according to needs.

Tumbler-type washing machine 4 therein can be selected for this area conventional rotary drum formula washing machine, provides the one side of implementing herein Formula, as shown in Figures 2 and 3, this tumbler-type washing machine includes body, rotary drum 402, rotary drum driving device 404；Institute Stating body one upper lateral part and be provided with charging aperture 401, its opposite side is provided with discharging opening 403, is provided with washing cavities in body, described Drive in washing cavities is located at by rotary drum 402 and by rotary drum driving device 404 and rotate；Body below described rotary drum 402 position Bottom shape is inversed taper platform shape；Described body is provided with upper water inlet 406 adjacent to one end of charging aperture 401, at the bottom of described body The lower section of the lower frustum mouth of the inversed taper platform shape in portion is provided with the body connected with lower frustum mouth, and tube wall is provided with lower water inlet 407；The lower section of described body is provided with sediment pipe 405, and the upper end of described sediment pipe 405 is provided with blow valve 408, lower end It is provided with lower blow valve 409.During work, crack into the charging aperture 401 of the material entrance tumbler-type washing machine of tablet through shredder, Washings are added by upper water inlet 406 and lower water inlet 407, and rotary drum 402 is driven by rotary drum driving device 404 and continuously Slowly rotate, after tablet enters scrubbing section, rear tablet will be washed continuously by discharging opening 403 groups by the rotation of rotary drum 402 Going out, heavy seeds such as metal object, stone etc. sink to sediment pipe 405；During normal work upper blow valve 408 open, lower slag dumping Valve 409 cuts out, and is beneficial to slag charge and is precipitated into sediment pipe 405, when needs deslagging, upper blow valve 408 cuts out, under unload Slag valve 409 is opened, and discharges sediment, then goes up blow valve 408 and be again turned on, and lower blow valve 409 is again switched off, upper, Lower blow valve alternately cuts out and opens and realizes sediment, and sediment enters fixed-end forces system after discharging.In the structure shown here, because The water inlet of lower water inlet 407 can form up current, and the material that the thrust of up current can effectively reduce proportion lighter is downward Precipitation, but heavier heavy seeds such as metal object, the stone etc. of proportion still can sink to sediment pipe, can effectively remove material In heavy seeds, and greatly reduce material and separate the loss easily caused during impurity in washing.

As shown in Figure 4, many rotary drums washing separation device 5 therein includes body 520, on described body 520 one end Portion is provided with charging aperture 510, and its other end is provided with discharging opening 530, is provided with washing cavities, in described washing cavities in body 520 It is provided with rotary drum, between charging aperture and discharging opening, sets gradually three rotary drums, respectively first rotary drum the 541, second rotary drum 542 and the 3rd rotary drum 543；Described body 520 bottom shape is three inversed taper platform shapes arranged side by side, the position of inversed taper platform shape with Rotary drum position one_to_one corresponding, and it is positioned at the lower section of corresponding rotary drum position；It is little that described inversed taper platform shape is big end opening suitable for reading Taper type.Described body 520 is provided with upper water inlet 550 adjacent to one end of charging aperture 510, bottom described body 520 The lower section of the lower frustum mouth of each inversed taper platform shape is all correspondingly provided with the body connected with lower frustum mouth, the respectively first body 561, Second body 562 and the 3rd body 563；First body 561 sidewall is provided with first time water inlet 571, the first body 561 Lower section be provided with the first jetsam pipe 581, the upper end of the first jetsam pipe 581 is correspondingly provided with the first loading and unloading material valve 591, lower end It is correspondingly provided with first time discharge valve 599；Second body 562 sidewall is provided with second time water inlet 572, the second body 562 Lower section be provided with the second jetsam pipe 582, the upper end of the second jetsam pipe 582 is correspondingly provided with the second loading and unloading material valve 592, lower end It is correspondingly provided with second time discharge valve 598；3rd body 563 sidewall is provided with the 3rd time water inlet 573, the 3rd body 563 Lower section be provided with the 3rd jetsam pipe 583, the upper end of the 3rd jetsam pipe 583 is correspondingly provided with the 3rd loading and unloading material valve 593, lower end It is correspondingly provided with the 3rd time discharge valve 597.It is of course also possible to be configured to as required 4 rotary drums, 5 rotary drums or other The rotary drum of quantity, corresponding body, lower water inlet, jetsam pipe, loading and unloading material valve, lower discharge valve be also identical quantity and Position relationship.

Described each lower water inlet is all correspondingly provided with current velocity controller, is all correspondingly provided with current meter, institute in described each body State loading and unloading material valve and corresponding lower discharge valve is the automatic valve that interval alternately opens and closes.Described lower discharge valve alternately opens and closes May be configured as, first open each loading and unloading material valve and close each lower discharge valve a period of time, to deposit first kind thing in jetsam pipe Material, is then shut off each loading and unloading material valve and opens each lower discharge valve, to discharge first kind material from jetsam pipe, beats the most again Open each loading and unloading material valve and close each lower discharge valve a period of time deposition material, then turn off each loading and unloading material valve and open each under Material discharged by discharge valve ..., so interval is alternately repeated.Described body 520 is by discerptible upper shell and lower house Being bolted spiral-lock together, each rotary drum is installed in the washing cavities within upper shell and lower house, by bearings Being supported, toothed gearing electric motor is connected with the power shaft of each rotary drum and drives it to rotate respectively.Described each rotary drum is by tooth Wheel reducing motor drives rotating Vortex, and described toothed gearing electric motor uses frequency control motor, as it is shown in figure 5, first turn Drum 541 is supported by bearings 547 and bearings 548, and is driven rotation by toothed gearing electric motor 549.

As shown in Figure 6, the most each rotary drum includes runner 306 and the 5 groups of vane group arranged along runner axial direction order, It is respectively first vane group the 301, second vane group 302, third blade group 303, quaterfoil group 304 and the 5th blade Group 305, often group vane group comprises along the uniform some blades of runner circumferencial direction, and toothed gearing electric motor passes through power shaft 307 The runner 306 being fixedly connected on power shaft is driven to rotate.These 5 groups of vane group are along the material toggling direction one of runner tangential direction Cause；It is positioned at runner shaft the first vane group 301 laterally and the 5th vane group 305 material toggling direction along runner axial direction Relatively；The second vane group 302 being positioned at runner axially inner side and the first vane group 301 being adjacent are along runner axially side To material toggling direction relative；The third blade group 303 being positioned at runner axially inner side and the second vane group 302 being adjacent Identical along the material toggling direction of runner axial direction；It is positioned at the quaterfoil group 304 of runner axially inner side and be adjacent the Three vane group 303 are in opposite direction along the material toggling of runner axial direction；It is positioned at the 5th vane group 305 He of runner axially inner side The quaterfoil group 304 being adjacent is relative along the material toggling direction of runner axial direction.Can certainly be the most flexible Configure the setting direction of each vane group blade material toggling direction needed for obtaining.So first aspect adds washing of rotary drum Washing and break up effective coverage, second aspect is gathered mixed material and is broken up effective coverage to washing, and the third aspect can make current produce Mixed material is broken up in turbulent flow washing more abundant, equilibrium, and fourth aspect rotates generation by each vane group on runner Cancelling out each other of centrifugal force, plays the effect of axial force self-balancing, improves the Energy Efficiency Ratio of device operating, stability, prolongs Grow the life-span of device.

Inclined helix dehydrator 7 therein can be selected for this area routine inclined helix dehydrator, provides one herein and implements shape Formula, as it is shown in fig. 7, this inclined helix dehydrator includes spiral case 702, is provided with by screw drives in spiral case 702 Device 704 drives the spiral 703 rotated, and the spiral 703 of described spiral case 702 and inside thereof is along material conveying direction Being obliquely installed from low to high, the two ends of described spiral case 702 are respectively the oblique lower end of shell and the oblique upper end of shell, described outside Shell is positioned at the top of the oblique lower end of shell and is provided with charging aperture 701, and the bottom being positioned at the oblique lower end of shell is provided with discharge outlet 707, position Be provided with discharging opening 705 in the bottom of the oblique upper end of shell, the lower parallel being positioned at spiral 703 in described spiral case 702 sets There is sieve plate 706.During work, material and water after tumbler-type washing machine washs are pumped to inclined screw dehydration by tablet pump The charging aperture 701 of machine, spiral 703 is driven rotation by driving means 704, and material is promoted by spiral 703 and is delivered to discharging Mouth 705 is discharged.Washings and residual impurity are discharged and are entered through discharge outlet 707 water and process by the mesh of sieve plate 706 System, purifies Posterior circle through precipitation and is back to washing process.

Buffer bin 8 therein can be selected for this area routine feed bin, perfectly even blanking type buffer bin.As shown in Figure 8, The uniform blanking type buffer bin selected in present embodiment includes that warehouse 1010 and uniform doffer, warehouse 1010 are Trapezoidal side storehouse, warehouse top is provided with the charging aperture 1020 of reaction warehouse, is provided with blanking port bottom warehouse 1010；This uniformly falls Material device includes housing, is provided with load displacing screw in housing, and described load displacing screw includes helical axis 1040 and is arranged on spiral Helical blade 1050 on axle；The helical axis 1040 of this load displacing screw is connected with the motor-driven being located at housing side, shell Body opposite side bottom is provided with the discharging opening 1030 of reaction warehouse, bottom the charging aperture i.e. warehouse 1010 of this uniform doffer Blanking port；Described helical axis 1040 is positioned at the position above discharging opening 1030 and is fixed with uniform blanking ring 1060；Uniformly The structural representation of blanking ring 1060 is as it is shown in figure 9, include body 1061, and the outer wall of body 1061 is fixedly connected with many Line screw thread blade 1062；The body 1061 of described uniform blanking ring is fastenedly connected at described helical axis by welding or bolt On 1040, uniform blanking ring 1060 is consistent with the central axis of helical axis 1040；Described multi start thread blade 1062 Rotation direction is consistent with helical blade 1050 rotation direction on described load displacing screw.Certainly in the uniform doffer of this reaction warehouse also Can include two such independent load displacing screws driven, as shown in Figure 10, every load displacing screw all includes helical axis And helical blade, described helical blade is the variable-pitch auger blade gradually changed from small to big along conveying direction pitch；Every row The helical axis of material spiral is positioned at the position above discharging opening and is all fixed with uniform blanking ring, and each uniform blanking ring is right with it The helical axis central axis answered is consistent, on the load displacing screw that multi start thread blade on each uniform blanking ring is corresponding Helical blade rotation direction is consistent；The helical axis of these two load displacing screws reversely rotates.In this configuration, material is neighbouring row On material spiral two reversely rotate especially anti-interior under the common promotion of the helical blade rotated, and more equalize forward Passage, then the stirring through uniform blanking ring is broken up, and continuous uniform must fall to upstream device from discharging opening；Load displacing screw The varying pitch of upper helical blade can be designed so that material in course of conveying along helical axis conveying direction by full state by Gradual transition, to loose condition (of surface), improves efficiency, reduces spiral operating load and abrasion.During work, slurry is set by upstream conveying The reaction warehouse feeding mouth 1020 at standby top, autoreaction storehouse is continuously introduced in reaction warehouse warehouse 1010, meets technological design and stops After time requirement, in warehouse, material fullness rate is 70～80%, and now load displacing screw fill material is full compaction state, In full block bulk in slurry helicla flute between load displacing screw helical blade 1050；When being positioned at the row bottom reaction warehouse When material spiral starts and rotates, in helicla flute, the material in full block bulk is transferred to load displacing screw continuously close to discharging opening One end of 1030；Slurry first passes through uniform blanking ring 1060 close to load displacing screw tail end before whereabouts, through uniform blanking ring After multi start thread blade 1062 on 1060 stirs and breaks up, continuous uniform falls to upstream device.

Double-screw impregnator therein, such as the Application No. 201210332112.8 submitted to for 11st JIUYUE in 2012, public The number of opening is described in the Chinese patent application of entitled " a kind of double-screw impregnator " of CN 102864669 A, its It is incorporated herein by reference that full content comprises accompanying drawing.Can also the grant number such as JIUYUE in 2012 submission on the 11st be ZL 201220458032.2 entitled " a kind of double-screw impregnator " Chinese patent application described in, entire contents Comprise accompanying drawing incorporated herein by reference.This double-screw impregnator includes frame and the motor being arranged in frame, gear Change speed gear box, movable crown gear coupling, machine barrel and two screw rods, described motor is by speed-changing gear box and movable Crown gear coupling and two screw drive connect, and described two screw rods are parallel to each other and are rotatably arranged in described machine barrel In, described machine barrel one end is provided with charging aperture, and the other end is provided with discharging opening；Described screw rod is arranged with successively along conveying direction One conveyor screw set, the first extrusion spiral set, the second conveyor screw set, the second extrusion spiral set, the 3rd conveyor screw set And the 3rd extrusion spiral set, the hand of spiral of described first, second, third conveyor screw set with described first, the Two, the hand of spiral of the 3rd extrusion spiral set is contrary, and the pitch of described first conveyor screw set is gradually reduced along conveying direction； It is designed with homogenizing ring between each conveyor screw set and extrusion spiral set；Described machine barrel bottom is provided with defeated with first, second The waste liquid hole corresponding to outfan of square auger set, is provided with filtration castor, i.e. draining filter screen at waste liquid hole；Described first, second, Slot is had on the spiral shell rib of the 3rd extrusion spiral set；Described machine barrel can be upper and lower dissection type machine barrel, including consolidating of symmetrical connection Surely the upper half machine barrel being arranged in frame and the able to turn on or off lower half machine barrel being connected in frame.Further, described upper half Machine barrel top is provided with the liquid corresponding with the 3rd conveyor screw set and adds hand-hole.During work, material by two engagement and in the same direction The screw rod rotated advances to discharging opening direction, is gradually reduced due to the pitch of the first conveyor screw set, material in course of conveying It is gradually compressed and is full of screw channel, being that at the first homogenizing ring, extruding force reaches before entering reverse crush zone extrusion spiral set Greatly, material is extruded strongly, and under the effect of forward extrusion power, material is forced through on the first extrusion spiral set spiral shell rib Slot, material is squeezed in this process, shear, crumple and neat and well spaced physical dimension is diminished；Same, then through the Two conveyor screws sets and the second extrusion spiral set, the 3rd conveyor screw set and the extruding of the 3rd extrusion spiral set, shear, rub with the hands After rubbing homogenizing, material is sheared to be rubbed into small pieces and pellet shape granule and discharges, simultaneously the free water in extruded material passing through Filter castor is discharged.

Drying machine therein can be selected for this area conventional dryers, preferably mesh-belt drier.As is illustrated by figs. 11 and 12, The mesh-belt drier selected in present embodiment, including cabinet and multi-level dryer mesh belt device 603；Described cabinet Top is provided with charging aperture, and bottom is provided with discharging opening；Described multi-level dryer mesh belt device 603 includes multilamellar horizontally set Conveyer belt, multilamellar conveyer belt head and the tail section is crisscross arranged described in the vertical direction, and along material conveying direction, next layer carries The head end of band stretches out the tail end of last layer conveyer belt；Described charging aperture is positioned at above the head end of top conveyer belt, described in go out Material mouth is positioned at below the tail end of lowermost layer conveyer belt；Described cabinet is provided around some air-heaters 601 and some dehumidifying wind Machine 602, described air-heater 601 is by air channel and guide duct and the air intake of setting on multi-level dryer mesh belt device 603 Mouth, air outlet connect, and described wet-emitting blower 602 is by dehumidifying pipelines and setting on multi-level dryer mesh belt device 603 Moisture exhausting port connects.

Use the thin film class technics of reclaim of plastic waste recycling of above-mentioned thin film class technics of reclaim of plastic waste recycling washing, purifying system Washing and purifying method, its detailed description of the invention is:

Embodiment 1: farm-oriented mulch waste plastic regeneration reclaims

Material based on farm-oriented mulch waste or used plastics is delivered to shredder 2 by the first conveying equipment 1, is fractured into the length of side The tablet of 20～50mm；Then by the second conveying equipment 3, broken rear tablet is delivered to tumbler-type washing machine 4 wash And the objectionable impurities such as the metal object, stone and the grains of sand that are mingled in tablet are removed through sediment pipe, sediment enters fixed-end forces system System, wash concentration 3%；After washing, tablet flows into many rotary drums washing separation device 5 together with water, washs from many rotary drums While the upper water inlet of segregation apparatus injects washings, from each, water inlet injects up flow velocity is the washing of 0.3m/s Water, again washs and isolates the light impurity contained in material, such as the scraps of paper etc..Then plastics tablet together with water through tablet The fine impurities such as pump 6 is pumped to inclined helix dehydrator 7 and is dehydrated, silt pass through the screen cloth mesh that inclined screw is peripheral together with water Discharging, deliver to water treatment system, the water after precipitation purifies is recycled to be used in washing process, the plastics tablet quilt after dehydration Lifting is delivered to buffer bin 7, and in buffer bin, tablet moisture content is less than 25%；Wash the rear buffered feed bin of plastics tablet 8 Load displacing screw release outside storehouse and be delivered to double-screw impregnator 10, in double-screw impregnator by the 3rd conveying worm 9 In 10, material is concentrated by two engagements homodromal screw extruding, passes sequentially through three sections of extrusion shearings and crumples neat and well spaced section, Being sheared and rub neat and well spaced one-tenth small pieces and pellet shape granule, meanwhile, the free water contained in tablet is concentrated extrusion by force, passes through Draining filter screen is discharged into water treatment system, and the water after precipitation purifies is recycled to be used in washing process.Material is extruded to be cut Can produce substantial amounts of frictional heat when cutting and rub, temperature of charge is up to 80～90 DEG C, and tablet moisture content is down to less than 15%； Plastics material slabbing after and granule neat and well spaced by double-screw impregnator 10 enters drying machine 11 hot air drying of net belt type, is dried sky Gas uses electrical heating；Dried tablet delivers to storage bin 13 through the 4th conveying equipment 12, sells as commodity packing or enters Enter upstream device mixing granulator.The present embodiment resource reclaim comprehensive utilization ratio is about 90%, and by the circulation profit of washings 50～about 80% are consumed with reducing washings.

In said process, the most aqueous scraps of paper of light impurity again washing isolated through too much rotary drum washing separation device can Export to the recycling of waste paper repulping recovery system.

Embodiment 2: woven bag class waste plastic regeneration reclaims

Material based on woven bag class waste or used plastics is delivered to shredder 2 by the first conveying equipment 1, is fractured into limit The tablet of long 20～50mm；Then by the second conveying equipment 3, broken rear tablet is delivered to tumbler-type washing machine 4 wash Washing and remove the objectionable impurities such as the metal object, stone and the grains of sand that are mingled in tablet through sediment pipe, sediment enters fixed-end forces System, wash concentration 4%；After washing, tablet flows into many rotary drums washing separation device 5 together with water, washes from many rotary drums While washing the upper water inlet injection washings of segregation apparatus, from each, water inlet injects up flow velocity is washing of 0.2m/s Wash water, again wash and isolate the light impurity contained in material, such as the scraps of paper etc..Then plastics tablet together with water through material The fine impurities such as sheet pump 6 is pumped to inclined helix dehydrator 7 and is dehydrated, silt pass through the screen cloth net that inclined screw is peripheral together with water Hole is discharged, and delivers to water treatment system, and the water after precipitation purifies is recycled to be used in washing process, the plastics tablet after dehydration Elevated being delivered to buffer bin 7, in buffer bin, tablet moisture content is less than 20%；Wash the rear buffered feed bin of plastics tablet 8 Load displacing screw release outside storehouse and be delivered to double-screw impregnator 10, in double-screw impregnator by the 3rd conveying worm 9 In 10, material is concentrated by two engagements homodromal screw extruding, passes sequentially through three sections of extrusion shearings and crumples neat and well spaced section, Being sheared and rub neat and well spaced one-tenth small pieces and pellet shape granule, meanwhile, the free water contained in tablet is concentrated extrusion by force, passes through Draining filter screen is discharged into water treatment system, and the water after precipitation purifies is recycled to be used in washing process.Material is extruded to be cut Can produce substantial amounts of frictional heat when cutting and rub, temperature of charge is up to 80～90 DEG C, and tablet moisture content is down to less than 10%； Plastics material slabbing after and granule neat and well spaced by double-screw impregnator 10 enters drying machine 11 hot air drying of net belt type, is dried sky Gas uses jet chimney indirectly to heat, and steam pressure is 0.4～0.6MPa；Dried tablet send through the 4th conveying equipment 12 To storage bin 13, sell as commodity packing or enter upstream device mixing granulator.The present embodiment resource reclaim comprehensively utilizes Rate is about 93%, and consumes 50～about 80% by the reduction washings that recycle of washings.

Embodiment 3: the solid gurry regeneration comprehensive in paper mill utilizes

By the solid gurry material in paper mill based on thin film class waste or used plastics such as waste paper, polypropylene, polyethylene by the first conveying Equipment 1 is delivered to shredder 2, is fractured into the tablet of the length of side 20～50mm；Then will be broken by the second conveying equipment 3 Rear tablet be delivered to tumbler-type washing machine 4 carry out washing and through sediment pipe remove be mingled in tablet metal object, stone and The objectionable impurities such as the grains of sand, sediment enters fixed-end forces system, wash concentration 5%；After washing, tablet flows into many turns together with water Drum-type washing separation device 5, from the upper water inlet of many rotary drums washing separation device and each, water inlet is injected simultaneously into and washes Wash water, along the mixed material horizontal feed direction of many rotary drums washing separation device, the washing that water inlet injects from each The up flow velocity of water successively decreases successively, and it is the washings of 0.3m/s that first time water inlet injects up flow velocity, second time water inlet Injecting the washings that up flow velocity is 0.2m/s, it is the washings of 0.15m/s that the 3rd time water inlet injects up flow velocity, profit Separating the aqueous scraps of paper and plastics tablet by the aqueous scraps of paper, plastics tablet and the difference of specific gravity of water, the aqueous scraps of paper enter each and sink Material pipe escapes and enter waste paper fibre repulping recovery system；The plastics discharged from many rotary drums washing separation device discharging opening The fine impurities such as tablet is pumped to inclined helix dehydrator 7 through tablet pump 6 together with water and is dehydrated, silt are passed through tiltedly together with water The screen cloth mesh discharge that spiral is peripheral, delivers to water treatment system, and the water after precipitation purifies is recycled to be used in washing process； Plastics tablet after dehydration is elevated is delivered to buffer bin 7, and in buffer bin, tablet moisture content is less than 35%；Mould after washing The load displacing screw of the material buffered feed bin of tablet 8 is released outside storehouse and is delivered to double-screw impregnator by the 3rd conveying worm 9 10, in double-screw impregnator 10, material is concentrated by two engagements homodromal screw extruding, passes sequentially through three sections Extrusion shearing crumples neat and well spaced section, is sheared and rubs neat and well spaced one-tenth small pieces and pellet shape granule, meanwhile, the free water contained in tablet Being concentrated extrusion by force, be discharged into water treatment system by draining filter screen, the water after precipitation purifies is recycled to be used in be washed Wash process.Material is extruded shearing and can produce substantial amounts of frictional heat when rubbing, temperature of charge up to 80～90 DEG C, tablet Moisture content is down to less than 25%；Plastics material slabbing after and granule neat and well spaced by double-screw impregnator 10 enters the drying machine of net belt type 11 hot air dryings, dry air uses jet chimney indirectly to heat, and steam pressure is 0.5MPa, and air consumption is 350kg/t Tablet；Dried tablet delivers to storage bin 13 through the 4th conveying equipment 12, sells or enters downstream as commodity packing and set Standby mixing granulator.The present embodiment resource reclaim comprehensive utilization ratio is about 96%, and is washed by the reduction that recycles of washings Wash water consumption 50～about 80%.

Embodiment 3 is preferred embodiment, and the thing carried out in many rotary drums washing separation device is described as a example by embodiment 3 Material separates: because the proportion of the scraps of paper is more than 1, and the proportion of polypropylene, polyethylene film class waste or used plastics sheet is less than the scraps of paper Proportion, (contain within the up flow velocity of the washings injected from each lower water inlet is set to 0.01m/s～0.3m/s 0.01m/s and 0.3m/s) so that in each body the impulse force of up current less than scraps of paper gravity in water and buoyancy it The difference of difference, simultaneously greater than thin film class waste or used plastics sheet gravity in water and buoyancy.The scraps of paper so mixed are with useless Old plastic sheet, through the washing of homodromal multiple rotary drums, breaks up, is gradually disengaged out in washing cavities；The scraps of paper are due to water suction Profit, gradually sinks down into jetsam pipe, and thin film class waste or used plastics tablet is not because in current the most up in each body Water suction and proportion gentlier float on the water surface, and being pulled over by homodromal multiple rotary drums moves forward to discharging opening.Embodiment 1 He The light impurity contained in the material such as scraps of paper are washed and isolated to embodiment 2 by many rotary drums washing separation device, is also Identical principle.

External circe speed at rotary drum is 1m/s, and over dry mixed material and washings weight ratio are 3:97, i.e. wash dense Degree be 3% wash conditions under test, it is demonstrated experimentally that the up flow velocity of washings that each lower water inlet injects sets Within 0.01m/s～0.3m/s, can be appropriate realize efficiently separating of the aqueous scraps of paper and film plastic tablet, the most up Flow velocity is excessive, the aqueous scraps of paper of sedimentation can be formed too high impulse force and affect separating effect；And in the effect of up current Under, with rotary drum rotate washing thin film class waste or used plastics tablet seldom from each frustum mouth entrance body in, even if falling into Can therefore not had up flow velocity or up flow velocity too small, by the washing cavities of the most up current refunds body yet yet Effectively counter for the film plastic tablet being strayed into body with current sending back in washing cavities can not be pulled over toward outbound course.Make full use of The aqueous scraps of paper, plastics tablet and the difference of specific gravity of water, it is achieved that the scraps of paper and the high-efficient washing of plastic film chip and separation.

Above example does not constitute restriction to the present invention, and relevant staff is in the scope without departing from the technology of the present invention thought In, carried out various changes and modifications, and all falls within protection scope of the present invention.

Claims

1. a thin film class technics of reclaim of plastic waste recycling washing, purifying system, it is characterised in that: run by material operation Direction, this system includes the first conveying equipment (1), shredder (2), the second conveying equipment (3), tumbler-type washing machine (4), many rotary drums washing separation device (5), tablet pump (6), inclined helix dehydrator (7), buffer bin (8), 3rd conveying worm (9), double-screw impregnator (10), drying machine (11), the 4th conveying equipment (12) and bin stock Storehouse (13)；

The discharging opening of described first conveying equipment (1) just charging aperture to shredder (2),

The discharging opening of described shredder (2) just charging aperture to the second conveying equipment (3),

The discharging opening of described second conveying equipment (3) just charging aperture to tumbler-type washing machine (4),

The discharging opening of described tumbler-type washing machine (4) connects with the charging aperture in many rotary drums washing separation device (5),

Being provided with container below the discharging opening of described many rotary drums washing separation device (5), described tablet pump (6) is located at this Between container and inclined helix dehydrator (7), the input of tablet pump (6) is arranged in the cavity volume of this container, tablet The outfan of pump (6) connects with the charging aperture of inclined helix dehydrator (7),

The discharging opening of described inclined helix dehydrator (7) connects with the charging aperture of buffer bin (8),

The discharging opening of described buffer bin (8) and the charging aperture connection of the 3rd conveying worm (9),

The described discharging opening of the 3rd conveying worm (9) connects with the charging aperture of double-screw impregnator (10),

The discharging opening of described double-screw impregnator (10) connects with the charging aperture of drying machine (11),

The discharging opening of described drying machine (11) and the charging aperture connection of the 4th conveying equipment (12),

The described discharging opening of the 4th conveying equipment (12) connects with the charging aperture of storage bin (13).

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Described first conveying equipment (1) and the second conveying equipment (3) and the 4th conveying equipment (12) are chain scraper conveyor or skin Belt conveyor.

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Tumbler-type washing machine therein includes body, rotary drum (402), rotary drum driving device (404)；Described body one upper lateral part Being provided with charging aperture (401), its opposite side is provided with discharging opening (403), is provided with washing cavities, described rotary drum (402) in body Drive in being located at washing cavities and by rotary drum driving device (404) and rotate；At the bottom of body below described rotary drum (402) position Portion's shape is inversed taper platform shape；Described body is provided with upper water inlet (406), described machine adjacent to one end of charging aperture (401) The lower section of the lower frustum mouth of the inversed taper platform shape bottom body is provided with the body connected with lower frustum mouth, and tube wall is provided with lower water inlet Mouth (407)；The lower section of described body is provided with sediment pipe (405), and the upper end of described sediment pipe (405) is provided with slag dumping Valve (408), lower end is provided with lower blow valve (409).

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Many rotary drums washing separation device therein includes that body (520), described body (520) top, one end are provided with charging aperture (510), its other end is provided with discharging opening (530), is provided with washing cavities, is provided with in described washing cavities in body (520) Rotary drum, sets gradually two or more rotary drum between charging aperture (510) and discharging opening (530)；Described machine Body (520) bottom shape is multiple inversed taper platform shape arranged side by side, the position of inversed taper platform shape and rotary drum position one_to_one corresponding, and position Lower section in corresponding rotary drum position；Described body is provided with upper water inlet (550) adjacent to one end of charging aperture (510), The lower section of the lower frustum mouth of each inversed taper platform shape in described body (520) bottom is all correspondingly provided with the body connected with lower frustum mouth, Each tube wall is all correspondingly provided with lower water inlet；The lower section of each body is all correspondingly provided with jetsam pipe, and the upper end of each jetsam pipe is equal Being correspondingly provided with loading and unloading material valve, lower end is all correspondingly provided with lower discharge valve.

Thin film class technics of reclaim of plastic waste the most according to claim 4 recycling washing, purifying system, it is characterised in that: The each lower water inlet of described many rotary drums washing separation device is all correspondingly provided with current velocity controller, in described each body all Being correspondingly provided with current meter, described loading and unloading material valve and corresponding lower discharge valve is the automatic valve that interval alternately opens and closes.

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Described inclined helix dehydrator (7) includes that spiral case (702), spiral case are provided with by driving device for slow-run in (702) (704) driving the spiral (703) rotated, the spiral (703) of described spiral case (702) and inside thereof is along material Conveying direction is obliquely installed from low to high, and the two ends of described spiral case (702) are respectively the oblique lower end of shell and shell is oblique Upper end, described shell is positioned at the top of the oblique lower end of shell and is provided with charging aperture (701), and the bottom being positioned at the oblique lower end of shell is provided with Discharge outlet (707), the bottom being positioned at the oblique upper end of shell is provided with discharging opening (705), described spiral case (702) interior position Lower parallel in spiral (703) is provided with sieve plate (706).

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Described buffer bin is uniform blanking type buffer bin, including warehouse (1010) and uniform doffer, warehouse top It is provided with charging aperture (1020), bottom warehouse, is provided with blanking port；Described uniform doffer, including housing, sets in housing Load displacing screw, housing one side lower part is had to be provided with the discharging opening (1030) of buffer bin, the charging aperture of this uniform doffer It is the blanking port bottom warehouse；Described load displacing screw includes helical axis (1040) and the helical-blade being arranged on helical axis Sheet (1050), described helical axis (1040) is positioned at the position of discharging opening (1030) top and is fixed with uniform blanking ring (1060), described uniform blanking ring (1060) is consistent with the central axis of described helical axis (1040)；Described uniformly Blanking ring (1060) includes body (1061) and multi start thread blade (1062), described multi start thread blade (1062) Being fixedly connected on the outer wall of body, described body (1061) retainer ring is around being socketed on helical axis (1040), described The rotation direction of multi start thread blade (1062) is consistent with helical blade (1050) rotation direction on described load displacing screw.

Thin film class technics of reclaim of plastic waste the most according to claim 7 recycling washing, purifying system, it is characterised in that: The warehouse (1010) of described uniform blanking type buffer bin is trapezoidal side storehouse；Described uniform doffer includes more than two Load displacing screw, every load displacing screw all includes that helical axis and helical blade, described helical blade are along conveying direction pitch The variable-pitch auger blade gradually changed from small to big；The position that the helical axis of every load displacing screw is positioned at above discharging opening is the most fixing Being provided with uniform blanking ring, the corresponding helical axis central axis of each uniform blanking ring is consistent, on each uniform blanking ring The corresponding load displacing screw of multi start thread blade on helical blade rotation direction consistent；The load displacing screw of described more than two Independently driving, the helical axis of adjacent load displacing screw reversely rotates.

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Double-screw impregnator therein, the motor including frame and being arranged in frame, speed-changing gear box, movable barreled tooth flank Shaft coupling, machine barrel and two screw rods, described motor is by speed-changing gear box and movable crown gear coupling and two spiral shells Bar is in transmission connection, and described two screw rods are parallel to each other and are rotatably arranged in described machine barrel, and described machine barrel one end is provided with Charging aperture, the other end is provided with discharging opening；Described screw rod be arranged with successively along conveying direction the first conveyor screw set, first squeeze Pressure screw-casing, the second conveyor screw set, the second extrusion spiral set, the 3rd conveyor screw set and the 3rd extrusion spiral set, The spiral shell that the hand of spiral of described first, second, third conveyor screw set is overlapped with described first, second, third extrusion spiral Revolving in opposite direction, the pitch of described first conveyor screw set is gradually reduced along conveying direction；Described machine barrel bottom is provided with waste liquid Hole；Slot is had on the spiral shell rib of described first, second, third extrusion spiral set；Described machine barrel is upper and lower dissection type machine barrel, Including the symmetrical upper half machine barrel being fixedly installed in frame connected and the able to turn on or off lower half machine barrel being connected in frame.

Thin film class technics of reclaim of plastic waste the most according to claim 1 recycling washing, purifying system, it is characterised in that: Described drying machine is mesh-belt drier, including cabinet and multi-level dryer mesh belt device (603)；Described cabinet upper Portion is provided with charging aperture (601), and bottom is provided with discharging opening (602)；Described multi-level dryer mesh belt device (603) includes The conveyer belt of multilamellar horizontally set, multilamellar conveyer belt head and the tail section is crisscross arranged, along material conveying side described in the vertical direction To, the head end of next layer of conveyer belt stretches out the tail end of last layer conveyer belt；Described charging aperture (601) is positioned at top defeated Sending above the head end of band, described discharging opening (602) is positioned at below the tail end of lowermost layer conveyer belt；Set around described cabinet Having some air-heaters (604) and some wet-emitting blowers (605), described air-heater (604) passes through air channel and wind-guiding Manage the air inlet of setting upper with multi-level dryer mesh belt device (603), air outlet is connected, described wet-emitting blower (605) It is connected by the upper moisture exhausting port arranged of dehumidifying pipelines and multi-level dryer mesh belt device (603).