CN105729677B - A kind of flow velocity successively decreases more rotary drum film class technics of reclaim of plastic waste reuse methods - Google Patents

Abstract

The invention discloses film class technics of reclaim of plastic waste to recycle washing, purifying system and washing and purifying method, heavy seeds are removed by primary wash sediment after mechanical shear shearing waste materials using shredder, then washed in more rotary drum washing separation devices by multistage rotary drum, 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 difference of specific gravity be present is isolated in washing, it is and then using double-screw impregnator that the shearing rubbing of obtained plastics tablet is neat and well spaced standby into small pieces and pellet shape particle, dry storage.This method and system can realize that recycling is separately recovered in paper mill solid gurry comprehensive utilization, waste paper fibre and waste or used plastics; and automation, scale industrial production can be realized; comprehensive utilization ratio is up to more than 90%; and water consumption 50~80% can be reduced by washing water circulation use; reduce environmental pollution; the continuity of production is ensure that, has saved production space, there is significant meaning.

Description

A kind of flow velocity successively decreases more rotary drum film class technics of reclaim of plastic waste reuse methods

Technical field

The present invention relates to a kind of technics of reclaim of plastic waste washing, purifying system and washing and purifying method, and in particular to a kind of film Class technics of reclaim of plastic waste recycles washing, purifying system and washing and purifying method.

Background technology

The development of plastics industry, big advantages are brought to the mankind, but leave infinite future trouble i.e. " white pollution ".Since having Plastic products, have just been inevitably generated old plastics, and elapse over time, and more new raw materials come into operation so that Waste or used plastics are in significantly to rise.It is dirty so as to form white growing day by day due to waste or used plastics non-aging degraded at normal temperatures Dye, makes ecological environment subject to severe risks of damage.

China's plastic products yield, dosage occupy the whole world first, per capita three kilograms or so (people from developed country of year consumer plastic Equal year consumes eight kilograms), white pollution degree occupies the whole world the 4th.The regeneration formed using discarded plastic products as Raw material processing Grain market is well sold and in short supply, and the benign cycle of the utilization of resources can be achieved, of far-reaching significance.Agricultural film, convenient bag, bag of cement, food pack, volume The film class waste or used plastics such as bag are knitted, are all the raw material sources for regenerating particle.In particular with paper mill of the waste paper as raw material, often Ton waste paper can produce 5 ~ 8% solid gurry, wherein based on polypropylene, polyethylene film class waste or used plastics, accounting 80 ~ 90%, press Produce the paper mill of 1,000,000 tons of lateral moulds per year, produce solid gurry 5 ~ 80,000 ton year, containing waste or used plastics 4 ~ 70,000 ton, recycling can produce Raw huge economic benefit, while reduce environmental pollution.

Because film class waste or used plastics unit weight is low, volume is big, complicated component, and particularly broken and washing, purifying is difficult, needs Substantial amounts of water resource is expended, existing reclaiming field is mainly produced with casual household, small workshop mode, is simply equipped, small scale, is easily made Into secondary environmental pollution.

The content of the invention

Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of film class waste or used plastics and returned The washing, purifying system that recycles is received, and then a kind of film class technics of reclaim of plastic waste is provided and recycles washing and purifying method.

Technical scheme：In order to solve the above technical problems, film class technics of reclaim of plastic waste provided by the invention recycles washing Cleaning system, washed by material process traffic direction, including the first conveying equipment, shredder, the second conveying equipment, rotary drum Machine, more rotary drum washing separation devices, tablet pump, inclined helix dehydrator, buffer bin, the 3rd conveying worm, twin-screw leaching Stain machine, drying machine, the 4th conveying equipment and storage bin；The charging aperture of the discharging opening face shredder of first conveying equipment, The charging aperture of the conveying equipment of discharging opening face second of the shredder, the discharging opening face rotary drum of second conveying equipment The charging aperture of rinsing maching, the discharging opening of the tumbler-type washing machine connect with the charging aperture in more rotary drum washing separation devices, Container is provided with below the discharging opening of more rotary drum washing separation devices, the tablet pump is dehydrated located at the container and inclined screw Between machine, the input of tablet pump is arranged in the cavity volume of the container, the output end of tablet pump and entering for inclined helix dehydrator Material mouth connects, and the discharging opening of the inclined helix dehydrator connects with the charging aperture of buffer bin, the discharging opening of the buffer bin Connected with the charging aperture of the 3rd conveying worm, the discharging opening of the 3rd conveying worm and the charging aperture of double-screw impregnator Connection, the discharging opening of the double-screw impregnator connects with the charging aperture of drying machine, the discharging opening of the drying machine and the 4th defeated The charging aperture of equipment is sent to connect, the discharging opening of the 4th conveying equipment connects with the charging aperture of storage bin.

Preferably, first conveying equipment and the second conveying equipment and the 4th conveying equipment are chain scraper conveyor or belt Conveyer.

Preferably, tumbler-type washing machine therein includes body, rotary drum, rotary drum driving device；The upper lateral part of body one Provided with charging aperture, its opposite side is provided with discharging opening, and washing cavities are provided with body, and the rotary drum drives in washing cavities and by rotary drum Dynamic device driving rotation；Organism bottom shape below the rotary drum position is in inversed taper platform shape；The body is adjacent to charging aperture One end is provided with upper water inlet, and the lower section of the lower frustum mouth of the inversed taper platform shape of the organism bottom is provided with the pipe connected with lower frustum mouth Body, tube wall are provided with lower water inlet；The lower section of the body is provided with sediment pipe, and the upper end of the sediment pipe is provided with upper slag dumping Valve, lower end are provided with lower blow valve.It can be intake to form up current by lower water inlet using the tumbler-type washing machine of this structure, on The thrust of water-filling stream precipitates downwards effective lighter material of proportion that reduces, only cause the heavier heavy seeds such as metal object of proportion, Stone etc. sinks to sediment pipe, can effectively remove the heavy seeds in material, and it is miscellaneous in washing separation to greatly reduce material The loss easily caused during matter.

Preferably, more rotary drum washing separation devices therein include body, and described body one end top is provided with charging aperture, Its other end is provided with discharging opening, and washing cavities are provided with body, rotary drum are provided with the washing cavities, between charging aperture and discharging opening Set gradually two or more rotary drums；The organism bottom shape is in multiple inversed taper platform shapes arranged side by side, the position of inversed taper platform shape Put and corresponded with rotary drum position, and positioned at the lower section of corresponding rotary drum position；The body is set adjacent to one end of charging aperture There is upper water inlet, the lower section of the lower frustum mouth of each inversed taper platform shape of organism bottom is correspondingly provided with the pipe connected with lower frustum mouth Body, each tube wall are correspondingly provided with lower water inlet；The lower section of each body is correspondingly provided with jetsam pipe, and the upper end of each jetsam pipe is equal Loading and unloading material valve is correspondingly provided with, lower end is correspondingly provided with lower discharge valve.As the further preferred of the preferred scheme：More rotary drums Each lower water inlet of formula washing separation device is correspondingly provided with current velocity controller, and flow velocity is correspondingly provided with each body Meter, the loading and unloading material valve and corresponding lower discharge valve are the automatic valve for alternating keying.This more rotary drum washing point Washings, and the method for alternately opening and closing upper and lower discharge valve can be injected simultaneously by upper and lower water inlet from device, utilize mixture The proportion of different material is different in material, the up flow velocity of the washings of each lower water inlet injection of control, effectively washs and separates Go out to have the different material of difference of specific gravity.The washings for each lower water inlet injection that can be further successively decreased successively by configuring Up flow velocity, obtain the laddering separation of mixed material and incrementally deposition effect.Current velocity controller, flow velocity can be passed through simultaneously Meter, more accurately controls flow rate of water flow, by the automatic buildup discharging of automatic valve, the effective guarantee continuity of production.

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

This area popular response storehouse can be selected in buffer bin therein, as a further improvement on the present invention, perfectly even Blanking type buffer bin.The uniformly blanking type buffer bin, including warehouse and uniform doffer, warehouse top are provided with charging Mouthful, warehouse bottom is provided with blanking port；The uniform doffer, including housing, are provided with load displacing screw in housing, under housing side Portion is provided with the discharging opening of reaction warehouse, and the charging aperture of the uniform doffer is the blanking port of reaction warehouse warehouse bottom；The row Material spiral includes helical axis and the helical blade being arranged on helical axis, and the position that the helical axis is located above discharging opening is fixed Provided with uniform blanking ring, the uniformly blanking ring is consistent with the central axis of the helical axis；The uniformly blanking ring includes pipe Body and multi start thread blade, the multi start thread blade are fixedly connected on the outer wall of body, and the body retainer ring is around socket On helical axis, the rotation direction of the multi start thread blade is consistent with the helical blade rotation direction on the load displacing screw.It is used as this hair Bright further improvement, the warehouse of this uniform blanking type reaction warehouse is trapezoidal side storehouse；It is described uniformly doffer include two with On load displacing screw, every load displacing screw includes helical axis and helical blade, and the helical blade is along conveying direction pitch The variable-pitch auger blade gradually to change from small to big；The position fixation that the helical axis of every load displacing screw is located above discharging opening is set There is uniform blanking ring, the corresponding helical axis central axis of each uniformly blanking ring is consistent, each uniformly more on blanking ring Helical blade rotation direction on the corresponding load displacing screw of line screw thread blade is consistent；The load displacing screw difference of described more than two is only Vertical driving, the helical axis of adjacent load displacing screw reversely rotate.Uniformly blanking type reaction warehouse can be realized by uniform blanking ring for this Even blanking, is advantageous to downstream pulping equipment steady production, fluctuation of load amplitude by original more than one times be reduced to 10 ~ 15% it It is interior, equipment failure rate is reduced, improves equipment dependability, stabilizes stock quality.On this basis, two can further be passed through Load displacing screw more than root reversely rotates so that two reverse rotations of the material on neighbouring load displacing screw are especially anti-interior to rotation Under the common promotion of the helical blade turned, more balanced passage forward, the stirring then through uniform blanking ring is broken up, continuous equal It is so even that to drop down onto upstream device under discharging opening.The varying pitch of helical blade can be designed so that material was conveying on load displacing screw Loose condition (of surface) is gradually transitions by full state along helical axis conveying direction in journey, improves efficiency, reduce spiral operating load and Abrasion.

Preferably, the double-screw impregnator in the system, such as in the Application No. submitted on the 11st of September in 2012 201210332112.8th, in the Chinese patent application of the A of Publication No. CN 102864669 entitled " a kind of double-screw impregnator " Described, entire contents are incorporated herein by reference.Can also be ZL such as the grant number submitted on the 11st of September in 2012 Described in the Chinese patent application of 201220458032.2 entitled " a kind of double-screw impregnator ", entire contents pass through Reference is hereby incorporated by.Above-mentioned double-screw impregnator includes frame and the motor being arranged in frame, speed-changing gear box, removable Formula crown gear coupling, machine barrel and two screw rods, the motor by speed-changing gear box and movable crown gear coupling with Two screw drive connections, two screw rods are parallel to each other and are rotatably arranged in the machine barrel, described machine barrel one end Provided with charging aperture, the other end is provided with discharging opening；The screw rod be arranged with successively along conveying direction the first conveyor screw set, first squeeze Screw-casing, the second conveyor screw set, the second extrusion spiral set, the 3rd conveyor screw set and the 3rd extrusion spiral set are pressed, it is described The hand of spiral phase that the hand of spiral of first, second, third conveyor screw set covers with first, second, third extrusion spiral Instead, the pitch of the first conveyor screw set is gradually reduced along conveying direction；The machine barrel bottom is provided with waste liquid hole；Described First, it is provided with slot on the spiral shell rib of second, third extrusion spiral set；The machine barrel is upper and lower dissection type machine barrel, including symmetrical connection The upper half machine barrel being fixedly installed in frame and the lower half machine barrel being connected in frame able to turn on or off.Preferably, the machine barrel Top is provided with liquid adding hole corresponding with the 3rd conveyor screw set.

This area conventional dryers, preferably mesh-belt drier can be selected in drying machine therein.The mesh-belt drier Including cabinet and multi-level dryer mesh belt device；The top of the cabinet is provided with charging aperture, and bottom is provided with discharging opening；The multilayer Drying machine mesh belt device includes the conveyer belt that multilayer is laterally set, and multilayer conveyer belt head and the tail section described in the vertical direction is staggeredly set Put, along material conveying direction, the head end of next layer of conveyer belt stretches out the tail end of last layer conveyer belt；The charging aperture is located at highest Above the head end of layer conveyer belt, the discharging opening is located at below the tail end of lowermost layer conveyer belt；It is provided with around the cabinet some Air-heater and some wet-emitting blowers, the air-heater is by air channel and guide duct with being set on multi-level dryer mesh belt device Air inlet, air outlet connection, the wet-emitting blower passes through the hydrofuge that is set on dehumidifying pipelines and multi-level dryer mesh belt device Mouth connection.

In order to solve the above technical problems, a kind of film class technics of reclaim of plastic waste provided by the invention recycles washing, purifying side Method, it recycles washing, purifying system using above-mentioned film class technics of reclaim of plastic waste, and this 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 by the second conveying equipment Tumbler-type washing machine adds washings adjustment concentration to be washed for 3 ~ 5%, sediment, removes the heavy seeds being mingled in material；

2. centrifugal station is washed again：

Water-containing materials after the washing of material papering section output are delivered to more rotary drum washing separation devices, utilize film class The aqueous scraps of paper and plastics tablet is isolated in the difference of specific gravity of the aqueous scraps of paper, plastics tablet and the water that mix in waste or used plastics, washing, The aqueous scraps of paper are discharged from each jetsam pipe, and plastics tablet, which is pulled over, moves forward to discharging opening, are then pumped to inclined screw dehydration by tablet pump Machine is further removed residual impurity and is dehydrated, and residual impurity and water are discharged by the screen cloth mesh of inclined helix dehydrator；

3. neat and well spaced section of machinery rubbing：

Plastics tablet after the dehydration that centrifugal station output will be washed again is delivered to buffer bin；The discharge of buffered feed bin The material of spiral 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 particle, while the free water in extruded material；

4. dry storage section：

The plastics tablet of machinery neat and well spaced section of output of rubbing is delivered to drying machine heated-air drying, then by the 4th conveying equipment It is delivered to storage bin storage.

Preferably, the centrifugal station that 2. washs again is：1. material papering section output is mixed into the aqueous scraps of paper, plastics tablet More rotary drum washing separation devices are delivered to the rear film class waste or used plastics of washing of water, from the upper of more rotary drum washing separation devices From each lower water inlet injection washings while water inlet injects washings, from the upper of the washings of each lower water inlet injection Row flow velocity, it is set to cause the impulse force of up current in each body to be less than the gravity of the scraps of paper and the difference of buoyancy in washings, while greatly The difference of the gravity of plastics tablet and buoyancy in washings；Washed by multiple rotary drums of rotating Vortex, separate, break up material, Alternating opens and closes each loading and unloading material valve and each lower discharge valve discharges the aqueous scraps of paper being deposited in each jetsam pipe；Pass through the more of rotating Vortex Plastics tablet is pulled over and moves forward to discharging opening by individual rotary drum, is then sent to inclined helix dehydrator and is further removed residual impurity and complete Into dehydration, residual impurity and water are discharged by the screen cloth mesh of inclined helix dehydrator.Preferably, it is described 2. to wash centrifugal station again In, inject the washings that up flow velocity is 0.01m/s ~ 0.3m/s from each lower water inlet of more rotary drum washing separation devices. Above-mentioned preferable method can further remove the light impurity being mingled in material, if the aqueous scraps of paper of the proportion more than 1 are at more turns Gradually sink in current slowly up in each body of drum-type washing separation device, the lighter plastics tablet of proportion, which is swum in, to be washed Wash to rotate to outbound course with rotary drum in water and pull over, and in the presence of up current, plastics tablet is seldom from each lower frustum mouth , also can be by the washing cavities of slowly up current refunds body even if falling into body；Final plastics tablet is by rotary drum Pull over and move forward to discharging opening, and the sedimentation accumulation of the aqueous scraps of paper is alternately opened in each jetsam pipe by loading and unloading material valve and lower discharge valve Close discharge.

After entering washing cavities in order to avoid mixed material, fully water suction profit is not yet obtained, is also not yet sufficiently washed Wash and break up, jetsam pipe is largely just fallen into by lower frustum mouth and the body deposition come above, the deposition separation so obtained Material it is more or meromict state, cleannes do not reach requirement yet.The thus further improvement as present method invention, institute State and 2. wash again in centrifugal station, along the mixed material horizontal feed direction of more rotary drum washing separation devices, enter under each The up flow velocity of the washings of mouth of a river injection successively decreases successively.Because the up flow velocity of first lower water inlet is relatively large, The impulse force of up current is larger, into washing cavities through in the mixed material broken up of the first rotary drum washing, small part through water suction profit, Break up, separate the more sufficient aqueous scraps of paper, could gradually be sunk by current slowly up in first body, and half is mixed The material of conjunction state can not sink；The mixed material for the aqueous scraps of paper opened is not moistened fully containing the lighter plastics tablet Buddhist monk of proportion Mixing is swum in washings, is continued to wash by the washing control zone pulled over to follow-up rotary drum, is broken up, further water suction profit point Dissipate more abundant, the material of meromict state is gradually decreased, and the up flow velocity of the washings of each lower water inlet injection is passed successively Subtract, the profit that progressively increases can be caused open, break up, separate the more sufficient aqueous scraps of paper, successively by follow-up each body by Gradually sink, so as to obtain more preferable laddering separating effect and incrementally deposition effect.

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

Preferably, the sediment impurity obtained in the 1. material papering section after tumbler-type washing machine washing enters fixed-end forces system System, it is described 2. to wash jetsam pipe of the aqueous scraps of paper through more rotary drum washing separation devices in centrifugal station again and be discharged into waste paper again Slurrying recovery system, the residual impurity and water discharged by the sieve plate mesh of inclined helix dehydrator enter water treatment system, passed through Precipitation purification Posterior circle is back to washing process；3. the free water discharged in neat and well spaced section of the machinery rubbing by draining filter screen enters Enter water treatment system, washing process is back to through precipitation purification Posterior circle.

Beneficial effect：Film class technics of reclaim of plastic waste provided by the invention recycles washing, purifying system and washing, purifying side In method, heavy seeds are removed by primary wash sediment after mechanical shear shearing waste materials using shredder, then washed in more rotary drums Wash in separator and washed by multistage rotary drum, and control the up flow velocity of the washings of each lower water inlet injection, effectively remove The light impurity or washing that are mingled in material isolate the different material that difference of specific gravity be present, and then utilize double-screw impregnator will Obtained plastics tablet shearing rubbing is neat and well spaced standby into small pieces and pellet shape particle, dry storage.This method and system can be realized Recycling is separately recovered in paper mill solid gurry comprehensive utilization, waste paper fibre and waste or used plastics, and can realize automation, scale chemical industry Industry produces, and effects a radical cure small workshop mode dispersion processing secondary environmental pollution problem, and comprehensive utilization ratio passes through washing up to more than 90% Recycling for water can reduce washing water consumption 50 ~ 80%, while reducing environmental pollution, ensure that the continuity of production, save About production space, has a significant meaning.

Further, washing, purifying system provided by the invention, can be entered using tumbler-type washing machine by lower water inlet Water forms up current, effectively reduces the lighter material of proportion and precipitates downwards, only cause the heavier heavy seeds such as metal object of proportion, Stone etc. sinks to sediment pipe, can effectively remove the heavy seeds in material, and it is miscellaneous in washing separation to greatly reduce material The loss easily caused during matter.

Further, washing, purifying system provided by the invention, uniform blanking type buffer bin can be used with by equal Even blanking ring realizes uniform blanking, is advantageous to downstream pulping equipment steady production, fluctuation of load amplitude is by original more than one times It is reduced within 10 ~ 15%, reduces equipment failure rate, improve equipment dependability, stabilizes stock quality；

Further, washing, purifying system provided by the invention, mesh-belt drier heated-air drying plastics material can be used Piece, production space is saved, improves efficiency.

Further, washing, purifying system and method provided by the invention, separation can be washed in more rotary drums of use In device, the up flow velocity of the washings injected by configuring each lower water inlet to successively decrease successively, it is progressive to obtain mixed material Formula separates and incrementally deposition effect.Also flow rate of water flow can be more accurately controlled by current velocity controller, current meter, passed through Automatic valve automatic buildup discharging, the continuity of effective guarantee production.

Brief description of the drawings

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

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

Fig. 3 is Fig. 2 left view；

Fig. 4 is the structural representation of more rotary drum washing separation devices；

Fig. 5 is Fig. 4 left view；

Fig. 6 is the structural representation of rotary drum in more rotary drum washing separation devices；

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 Figure 11 top view.

Embodiment

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

As shown in figure 1, this film class technics of reclaim of plastic waste recycles washing, purifying system, by material process traffic direction, Including the first conveying equipment 1, shredder 2, the second conveying equipment 3, tumbler-type washing machine 4, more rotary drum washing separation devices 5, Tablet pump 6, inclined helix dehydrator 7, buffer bin 8, the 3rd conveying worm 9, double-screw impregnator 10, drying machine the 11, the 4th Conveying equipment 12 and storage bin 13；The charging aperture of the discharging opening face shredder 2 of first conveying equipment 1, the shredder 2 The second conveying equipment of discharging opening face 3 charging aperture, the discharging opening face tumbler-type washing machine 4 of second conveying equipment 3 Charging aperture, the discharging opening of the tumbler-type washing machine 4 connects with the charging aperture in more rotary drum washing separation devices 5, described Container is provided with below the discharging opening of more rotary drum washing separation devices 5, the tablet pump 6 is located at the container and inclined helix dehydrator Between 7, the input of tablet pump 6 is arranged in the cavity volume of the container, output end and the inclined helix dehydrator 7 of tablet pump 6 Charging aperture connects, and the discharging opening of the inclined helix dehydrator 7 connects with the charging aperture of buffer bin 8, and the buffer bin 8 goes out Material mouth connects with the charging aperture of the 3rd conveying worm 9, discharging opening and the double-screw impregnator 10 of the 3rd conveying worm 9 Charging aperture connection, the discharging opening of the double-screw impregnator 10 connects with the charging aperture of drying machine 11, the drying machine 11 Discharging opening connects with the charging aperture of the 4th conveying equipment 12, the discharging opening of the 4th conveying equipment 12 and the charging of storage bin 13 Mouth connection.

Wherein, the first conveying equipment 1 and the second conveying equipment 3 and the 4th conveying equipment 12 are that chain scraper conveyor or belt are defeated Send machine.The crushing mechanism structure of shredder 2 therein is by the stationary knife being fixed on casing and the rotor of two relative counter-rotatings Composition, after material enters shredder, by the shearing pair formed between some cutterheads and cutterhead and stationary knife between two rotors, Material cutting is broken into the tablet of certain size, rotor is by the middle axle for spline or hexagon section and in tandem on axle Cutterhead form, can by adjust cutterhead thickness adjust shearing after material size；Shredder can configure list as needed Knife roller structure, double knife roller or more knife roller structures can also be used.

This area conventional rotary drum formula rinsing maching can be selected in tumbler-type washing machine 4 therein, provides a kind of specific implementation herein Mode, as shown in Figures 2 and 3, the tumbler-type washing machine include body, rotary drum 402, rotary drum driving device 404；The body one Upper lateral part is provided with charging aperture 401, and its opposite side is provided with discharging opening 403, and washing cavities are provided with body, and the rotary drum 402 is located at and washed Wash intracavitary and driven by rotary drum driving device 404 and rotated；Organism bottom shape below the position of rotary drum 402 is in inversed taper platform Shape；The body is provided with upper water inlet 406, the lower frustum of the inversed taper platform shape of the organism bottom adjacent to one end of charging aperture 401 The lower section of mouth is provided with the body connected with lower frustum mouth, and tube wall is provided with lower water inlet 407；The lower section of the body is provided with heavy Slag pipe 405, the upper end of the sediment pipe 405 are provided with upper blow valve 408, and lower end is provided with lower blow valve 409.During work, through tearing up Machine cracks into the material of tablet into the charging aperture 401 of tumbler-type washing machine, and washings are by upper water inlet 406 and lower water inlet 407 add, and rotary drum 402 is driven by rotary drum driving device 404 and continuous slowly rotation, after tablet enters scrubbing section, passes through rotary drum 402 rotation will continuously wash rear tablet and be transferred to by discharging opening 403, and heavy seeds such as metal object, stone etc. sink to sediment pipe 405； Upper during normal work blow valve 408 is opened, lower blow valve 409 is closed, so that slag charge is precipitated into sediment pipe 405, when needing to arrange During slag, upper blow valve 408 is closed, lower blow valve 409 is opened, and discharges sediment, and then upper blow valve 408 is again turned on, lower slag dumping Valve 409 is again switched off, and upper and lower blow valve is alternately closed and opening realizes sediment, enters fixed-end forces system after sediment discharge. In the structure, because the water inlet of lower water inlet 407 can form up current, it is lighter that the thrust of up current can effectively reduce proportion Material precipitate downwards, but heavier the heavy seeds such as metal object, stone etc. of proportion can still sink to sediment pipe, can be effectively clear Except the heavy seeds in material, and greatly reduce the loss that material easily causes during washing separates impurity.

As shown in figure 4, more rotary drum washing separation devices 5 therein include body 520, one end top of body 520 Provided with charging aperture 510, its other end is provided with discharging opening 530, and washing cavities are provided with body 520, rotary drum is provided with the washing cavities, Three rotary drums, respectively the first rotary drum 541, the second rotary drum 542 and the 3rd rotary drum are set gradually between charging aperture and discharging opening 543；The bottom shape of body 520 is in three inversed taper platform shapes arranged side by side, and position and the rotary drum position of inversed taper platform shape correspond, and Positioned at the lower section of corresponding rotary drum position；The inversed taper platform shape is the small taper type of big lower mouth suitable for reading.The body 520 is adjacent One end of nearly charging aperture 510 is provided with upper water inlet 550, and the lower section of the lower frustum mouth of each inversed taper platform shape in the bottom of body 520 is equal It is correspondingly provided with the body connected with lower frustum mouth, respectively the first body 561, the second body 562 and the 3rd body 563；First The side wall of body 561 is provided with first time water inlet 571, and the lower section of the first body 561 is provided with the first jetsam pipe 581, the first jetsam pipe 581 upper end is correspondingly provided with the first loading and unloading material valve 591, and lower end is correspondingly provided with first time discharge valve 599；The side wall of second body 562 Provided with second time water inlet 572, the lower section of the second body 562 is provided with the second jetsam pipe 582, the upper end pair of the second jetsam pipe 582 The second loading and unloading material valve 592 should be provided with, lower end is correspondingly provided with second time discharge valve 598；The side wall of 3rd body 563 is entered under being provided with the 3rd The mouth of a river 573, the lower section of the 3rd body 563 are provided with the 3rd jetsam pipe 583, and the upper end of the 3rd jetsam pipe 583 is correspondingly provided with the 3rd Discharge valve 593, lower end are correspondingly provided with the three times discharge valves 597.It is of course also possible to be configured to as needed 4 rotary drums, 5 turn The rotary drum of drum or other quantity, corresponding body, lower water inlet, jetsam pipe, loading and unloading material valve, lower discharge valve are also identical quantity And position relationship.

Each lower water inlet is correspondingly provided with current velocity controller, and current meter is correspondingly provided with each body, The loading and unloading material valve and corresponding lower discharge valve are the automatic valve for alternating keying.The lower discharge valve alternately opens and closes It may be configured as, first open each loading and unloading material valve and close each lower discharge valve for a period of time, to deposit first kind material in jetsam pipe, It is then shut off each loading and unloading material valve and opens each lower discharge valve, to discharge first kind material from jetsam pipe, then opens again on each Discharge valve simultaneously closes each lower discharge valve and deposits material for a period of time, then turns off each loading and unloading material valve and opens each lower discharge valve row Go out material ... ..., so alternate repetition.The body 520 is bolted by separable upper shell and lower house Together, each rotary drum is installed in the washing cavities within upper shell and lower house spiral-lock, is supported by bearings, gear subtracts The input axis connection of speed motor and each rotary drum simultaneously drives its rotation respectively.Each rotary drum is driven in the same direction by toothed gearing electric motor Rotation, the toothed gearing electric motor uses frequency control motor, as shown in figure 5, the first rotary drum 541 is by bearings 547 and axle The support of support 548 is held, and rotation is driven by toothed gearing electric motor 549.

As shown in fig. 6, wherein each rotary drum includes runner 306 and the 5 groups of blade groups set along runner axial direction order, Respectively the first blade group 301, the second blade group 302, third blade group 303, the blade group 305 of quaterfoil group 304 and the 5th, Every group of blade group, which includes, to be driven by input shaft 307 and fixed along the uniform some blades of runner circumferencial direction, toothed gearing electric motor The runner 306 being connected on input shaft rotates.This material toggling direction of 5 groups of blade groups along runner tangential direction is consistent；Positioned at runner The first axially external blade group 301 and material toggling direction of the 5th blade group 305 along runner axial direction are relative；Positioned at runner shaft The second blade group 302 to inner side is relative with the material toggling direction of the first blade group 301 adjacent thereto along runner axial direction；Position In the third blade group 303 of runner axially inner side and the second blade group 302 adjacent thereto along the material toggling side of runner axial direction To identical；Positioned at the quaterfoil group 304 of runner axially inner side and third blade group 303 adjacent thereto along runner axial direction Material toggling it is in opposite direction；Positioned at the 5th blade group 305 of runner axially inner side and quaterfoil group 304 adjacent thereto along runner The material toggling direction of axial direction is relative.Can certainly each blade group blade of flexible configuration as needed setting direction to obtain Obtain required material toggling direction.So first aspect adds the washing of rotary drum and breaks up effective coverage, and second aspect gathers mixture Effective coverage is broken up in material to washing, and the third aspect can make the washing of current turbulization more fully, balanced break up mixed material, Fourth aspect by each blade group rotate on runner caused by centrifugal force cancel out each other, play the work of axial force self-balancing With improving Energy Efficiency Ratio, the stability of device operating, extend life-span of device.

This area routine inclined helix dehydrator can be selected in inclined helix dehydrator 7 therein, provides a kind of specific implementation herein Form, as shown in fig. 7, the inclined helix dehydrator includes spiral case 602, it is provided with spiral case 602 by driving device for slow-run The spiral 603 of the spiral 603 of 604 driving rotations, the spiral case 602 and its inside inclines from low to high along material conveying direction Tiltedly set, the both ends of the spiral case 602 are respectively the oblique lower end of shell and the oblique upper end of shell, the shell be located at shell it is oblique under The top at end is provided with charging aperture 601, discharge outlet 607 is provided with positioned at the bottom of the oblique lower end of shell, positioned at the bottom of the oblique upper end of shell Provided with discharging opening 605, the lower parallel in the spiral case 602 positioned at spiral 603 is provided with sieve plate 606.During work, through turning Material and water after drum washing machine washing are pumped to the charging aperture 601 of inclined helix dehydrator by tablet pump, and spiral 603 is by driving The driving rotation of device 604, material are delivered to discharging opening 605 by the lifting of spiral 603 and discharged.Washings and residual impurity pass through filter screen The mesh of plate 606 is discharged and is discharged into water treatment system through discharge outlet 607, and washing process is back to through precipitation purification Posterior circle.

This area routine feed bin, perfectly even blanking type buffer bin can be selected in buffer bin 8 therein.As shown in figure 8,

The uniform blanking type buffer bin selected in present embodiment includes warehouse 1010 and uniform doffer, warehouse 1010 be trapezoidal side storehouse, the charging aperture 1020 of reaction warehouse is provided with the top of warehouse, the bottom of warehouse 1010 is provided with blanking port；This uniformly falls Material device includes housing, and load displacing screw is provided with housing, and the load displacing screw includes helical axis 1040 and is arranged on helical axis Helical blade 1050；The helical axis 1040 of the load displacing screw and the motor drive connection for being located at housing side, housing opposite side Bottom is provided with the discharging opening 1030 of reaction warehouse, and the charging aperture of this uniform doffer is the blanking port of the bottom of warehouse 1010；It is described The position that helical axis 1040 is located at the top of discharging opening 1030 is fixed with uniform blanking ring 1060；The structure of uniform blanking ring 1060 Schematic diagram is as shown in figure 9, including body 1061, the outer wall of body 1061 is fixedly connected with multi start thread blade 1062；It is described equal The body 1061 of even blanking ring is fastenedly connected on the helical axis 1040 by welding or bolt, uniform blanking ring 1060 and spiral shell The central axis of spin axis 1040 is consistent；The rotation direction of the multi start thread blade 1062 and the helical blade on the load displacing screw 1050 rotation directions are consistent.The discharge spiral shell independently driven as two can also be included in the uniform doffer of certain reaction warehouse Rotation, as shown in Figure 10, every load displacing screw include helical axis and helical blade, and the helical blade is along conveying direction pitch The variable-pitch auger blade gradually to change from small to big；The position fixation that the helical axis of every load displacing screw is located above discharging opening is set There is uniform blanking ring, the corresponding helical axis central axis of each uniformly blanking ring is consistent, each uniformly more on blanking ring Helical blade rotation direction on the corresponding load displacing screw of line screw thread blade is consistent；The helical axis of this two load displacing screws reversely revolves Turn.In this configuration, the especially anti-interior helical blade to rotation of two reverse rotations of the material on neighbouring load displacing screw Common promotion under, more balanced passage forward, the stirring then through uniform blanking ring is broken up, continuous uniform from discharging opening Under drop down onto upstream device；The varying pitch of helical blade can be designed so that material in course of conveying along helical axis on load displacing screw Conveying direction is gradually transitions loose condition (of surface) by full state, improves efficiency, reduces spiral operating load and abrasion.During work, Slurry is continuously introduced into reaction warehouse warehouse 1010 by the reaction warehouse feeding mouth 1020 of upstream conveying equipment autoreaction the top of the warehouse, is met After the technological design residence time requires, material fullness rate is 70 ~ 80% in warehouse, and now load displacing screw fill material is in full of pressure Real state, slurry are in be full of block bulk in the helicla flute between load displacing screw helical blade 1050；When positioned at reaction warehouse bottom Load displacing screw be in that the material full of block bulk is continuously transferred to load displacing screw close to discharging opening when starting and rotating, in helicla flute 1030 one end；Slurry first passes through uniform blanking ring 1060 close to load displacing screw tail end before whereabouts, through uniform blanking ring 1060 On multi start thread blade 1062 stir and break up after, drop down onto upstream device under continuous uniform.

Double-screw impregnator therein, the Application No. 201210332112.8 such as submitted for 11st in September in 2012, openly Number for the A of CN 102864669 entitled " a kind of double-screw impregnator " Chinese patent application described in, entire contents It is incorporated herein by reference comprising accompanying drawing.Can also be ZL 201220458032.2 such as the grant number submitted on the 11st of September in 2012 Entitled " a kind of double-screw impregnator " Chinese patent application described in, entire contents include accompanying drawing pass through quote knot Together in this.The double-screw impregnator includes frame and the motor being arranged in frame, speed-changing gear box, movable barreled tooth flank connection Axle device, machine barrel and two screw rods, the motor are passed by speed-changing gear box and movable crown gear coupling and two screw rods Dynamic connection, two screw rods are parallel to each other and are rotatably arranged in the machine barrel, and described machine barrel one end is provided with charging aperture, The other end is provided with discharging opening；The screw rod is arranged with the first conveyor screw set, the first extrusion spiral set, along conveying direction successively Two conveyor screw sets, the second extrusion spiral set, the 3rd conveyor screw set and the 3rd extrusion spiral set, described first, second, The hand of spiral that the hand of spiral of 3rd conveyor screw set covers with first, second, third extrusion spiral is on the contrary, described first The pitch of conveyor screw set is gradually reduced along conveying direction；It is designed with being homogenized between each conveyor screw set and extrusion spiral set Ring；The machine barrel bottom is provided with waste liquid hole corresponding with the output end of first, second conveyor screw set, and waste liquid was provided with hole Filter castor, i.e. draining filter screen；Slot is provided with the spiral shell rib of the first, second, third extrusion spiral set；The machine barrel can be upper and lower Dissection type machine barrel, including the upper half machine barrel being fixedly installed in frame that symmetrically connects and it is able to turn on or off be connected in frame under Half machine barrel.Further, the upper half machine barrel top is provided with liquid adding hole corresponding with the 3rd conveyor screw set.During work, Material is promoted by the screw rod of two engagements and rotating Vortex to discharging opening direction, due to the first conveyor screw set in course of conveying Pitch be gradually reduced, material is gradually compressed and is full of screw channel, into reverse crush zone extrusion spiral set before i.e. first homogenizing At ring, extruding force reaches maximum, and material is extruded strongly, and in the presence of forward extrusion power, material is forced through first and squeezed The slot on screw-casing spiral shell rib is pressed, material is squeezed in this process, shears, crumples neat and well spaced so that physical dimension diminishes；Equally , then through the second conveyor screw set and the second extrusion spiral set, the 3rd conveyor screw set and the 3rd extrusion spiral set extruding, cut After cutting, crumpling homogenizing, material is sheared rubbing and discharged into small pieces and pellet shape particle, while the free water in extruded material and leads to Filter castor discharge.

This area conventional dryers, preferably mesh-belt drier can be selected in drying machine therein.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；The top of the cabinet Provided with charging aperture 601, bottom is provided with discharging opening 602；The multi-level dryer mesh belt device 603 laterally sets defeated including multilayer Band is sent, multilayer conveyer belt head and the tail section is staggered described in the vertical direction, along material conveying direction, the head of next layer of conveyer belt The tail end of last layer conveyer belt is stretched out at end；The charging aperture 601 is located above the head end of top conveyer belt, the discharging opening 602 below the tail end of lowermost layer conveyer belt；Some air-heaters 604 and some wet-emitting blowers are provided with around the cabinet 605, the air-heater 604 by air channel and guide duct with set on multi-level dryer mesh belt device 603 air inlet, air-out Mouth connection, the wet-emitting blower 605 are connected by dehumidifying pipelines with the moisture exhausting port set on multi-level dryer mesh belt device 603.

Recycle the film class technics of reclaim of plastic waste of washing, purifying system sharp again using above-mentioned film class technics of reclaim of plastic waste With washing and purifying method, its embodiment 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 20 ~ 50mm tablet；Then tablet is delivered to tumbler-type washing machine 4 and is washed and passed through after being crushed by the second conveying equipment 3 Sediment pipe removes objectionable impurities, the sediments such as metal object, stone and the grains of sand being mingled in tablet and enters fixed-end forces system, washs Concentration 3%；Tablet and water flow into more rotary drum washing separation devices 5 together after washing, from the upper of more rotary drum washing separation devices While water inlet injects washings, the washings that up flow velocity is 0.3m/s are injected from each lower water inlet, are washed again simultaneously Isolate the light impurity contained in material, such as scraps of paper.Then plastics tablet and water are pumped to inclined screw through tablet pump 6 together and taken off Water dispenser 7 is dehydrated, and the fine impurities such as silt and water are discharged by the screen cloth mesh of inclined screw periphery together, deliver to water treatment system, Water circulation after precipitation purification is back to washing process, and the plastics tablet after dehydration is elevated to be delivered to buffer bin 8, buffering Tablet moisture content is less than 25% in feed bin；The load displacing screw for washing the buffered feed bin 8 of rear plastics tablet is released outside storehouse and by the 3rd spiral Conveyer 9 is delivered to double-screw impregnator 10, and material is by two engagements and the screw rod of rotating Vortex in double-screw impregnator 10 Extruding concentration, passes sequentially through three sections of extrusion shearings and crumples neat and well spaced section, and it is neat and well spaced into small pieces and pellet shape particle to be sheared rubbing, together When, the free water contained in tablet is extruded by concentration by force, water treatment system is discharged into by draining filter screen, after precipitation purification Water circulation be back to washing process.Material can produce substantial amounts of frictional heat when being extruded shearing and rubbing, and temperature of charge is reachable 80 ~ 90 DEG C, tablet moisture content is down to less than 15%；Plastics material slabbing by double-screw impregnator 10 after neat and well spaced and granule enters guipure The heated-air drying of drying machine 11 of formula, dry air use electrical heating；Tablet delivers to storage bin through the 4th conveying equipment 12 after drying 13, packed as commodity and sell or enter upstream device mixing granulator.The present embodiment resource reclaim comprehensive utilization ratio is about 90%, And recycle reduction washing water consumption 50 ~ 80% or so by washings.

In said process, for example aqueous scraps of paper of isolated light impurity are washed again through excessive rotary drum washing separation device It may be output 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 side Long 20 ~ 50mm tablet；Then broken rear tablet is delivered into tumbler-type washing machine 4 by the second conveying equipment 3 to be washed simultaneously Objectionable impurities, the sediments such as the metal object, stone and the grains of sand that are mingled in tablet are removed through sediment pipe to enter fixed-end forces system, wash Wash concentration 4%；Tablet and water flow into more rotary drum washing separation devices 5 together after washing, from more rotary drum washing separation devices While upper water inlet injection washings, the washings that up flow velocity is 0.2m/s are injected from each lower water inlet, are washed again And isolate the light impurity contained in material, such as scraps of paper.Then plastics tablet and water are pumped to inclined screw through tablet pump 6 together Dewaterer 7 is dehydrated, and the fine impurities such as silt and water are discharged by the screen cloth mesh of inclined screw periphery together, deliver to water process system System, the water circulation after precipitation purification are back to washing process, and the plastics tablet after dehydration is elevated to be delivered to buffer bin 8, Tablet moisture content is less than 20% in buffer bin；The load displacing screw for washing the buffered feed bin 8 of rear plastics tablet is released outside storehouse and by the 3rd Conveying worm 9 is delivered to double-screw impregnator 10, and material is by two pieces engagements and rotating Vortex in double-screw impregnator 10 Screw extruding concentrates, and passes sequentially through three sections of extrusion shearings and crumples neat and well spaced section, and it is neat and well spaced into small pieces and pellet shape particle to be sheared rubbing, Meanwhile the free water contained in tablet is extruded by concentration by force, water treatment system is discharged into by draining filter screen, through precipitation purification Water circulation afterwards is back to washing process.Material can produce substantial amounts of frictional heat when being extruded shearing and rubbing, and temperature of charge can Up to 80 ~ 90 DEG C, tablet moisture content is down to less than 10%；Plastics material slabbing by double-screw impregnator 10 after neat and well spaced and granule networks The heated-air drying of drying machine 11 of belt, dry air use jet chimney indirectly heat, and steam pressure is 0.4 ~ 0.6MPa；Dry Tablet delivers to storage bin 13 through the 4th conveying equipment 12 afterwards, is packed as commodity and sells or enter upstream device mixing granulator.This Embodiment resource reclaim comprehensive utilization ratio is about 93%, and recycles the left side of reduction washing water consumption 50 ~ 80% by washings It is right.

In said process, for example aqueous scraps of paper of isolated light impurity are washed again through excessive rotary drum washing separation device It may be output to the recycling of waste paper repulping recovery system.

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

The solid gurry material in paper mill based on the film class waste or used plastics such as waste paper, polypropylene, polyethylene is defeated by first Send equipment 1 to be delivered to shredder 2, be fractured into 20 ~ 50mm of length of side tablet；Then expect after being crushed by the second conveying equipment 3 Piece is delivered to tumbler-type washing machine 4 and is washed and remove metal object, stone and grains of sand for being mingled in tablet etc. through sediment pipe Objectionable impurities, sediment enter fixed-end forces system, wash concentration 5%；Tablet and water flow into more rotary drum washings point together after washing From device 5, washings are injected simultaneously from the upper water inlet of more rotary drum washing separation devices and each lower water inlet, along more rotary drums The mixed material horizontal feed direction of formula washing separation device, the up flow velocity of the washings injected from each lower water inlet is successively Successively decrease, first time water inlet injects the washings that up flow velocity is 0.3m/s, and it is 0.2m/ that second time water inlet, which injects up flow velocity, S washings, the three times water inlets inject the washings that up flow velocitys are 0.15 m/s, using the aqueous scraps of paper, plastics tablet and The difference of specific gravity of water separates the aqueous scraps of paper and plastics tablet, the aqueous scraps of paper and escapes and enter waste paper fibre again into each jetsam pipe Slurrying recovery system；Pumped together through tablet pump 6 from the plastics tablet and water of the discharge of more rotary drum washing separation device discharging openings It is dehydrated to inclined helix dehydrator 7, the fine impurities such as silt and water are discharged by the screen cloth mesh of inclined screw periphery together, deliver to water Processing system, the water circulation after precipitation purification are back to washing process；Plastics tablet after dehydration is elevated to be delivered to buffering Feed bin 8, tablet moisture content is less than 35% in buffer bin；The load displacing screw for washing the buffered feed bin 8 of rear plastics tablet is released outside storehouse simultaneously Double-screw impregnator 10 is delivered to by the 3rd conveying worm 9, in double-screw impregnator 10 material by two engagement and it is in the same direction The screw extruding concentration of rotation, passes sequentially through three sections of extrusion shearings and crumples neat and well spaced section, it is neat and well spaced into small pieces and granule to be sheared rubbing Shape particle, meanwhile, the free water contained in tablet is extruded by concentration by force, and water treatment system is discharged into by draining filter screen, is passed through Water circulation after precipitation purification is back to washing process.Material can produce substantial amounts of frictional heat, thing when being extruded shearing and rubbing For material temperature degree up to 80 ~ 90 DEG C, tablet moisture content is down to less than 25%；Plastics material by double-screw impregnator 10 after neat and well spaced and granule Slabbing enters the heated-air drying of drying machine 11 of net belt type, and dry air uses jet chimney indirectly heat, steam pressure 0.5MPa, Air consumption is 350kg/t tablets；Tablet delivers to storage bin 13 through the 4th conveying equipment 12 after drying, as commodity pack sell or Into upstream device mixing granulator.The present embodiment resource reclaim comprehensive utilization ratio is about 96%, and recycling by washings Reduce washing water consumption 50 ~ 80% or so.

Embodiment 3 is preferred embodiment, and the thing carried out in more rotary drum washing separation devices is illustrated by taking embodiment 3 as an example Material separation：Because the proportion of the scraps of paper is more than 1, and the proportion of polypropylene, polyethylene film class waste or used plastics piece is less than the ratio of the scraps of paper Weight, it will be set to from the up flow velocity of the washings of each lower water inlet injection within 0.01m/s ~ 0.3m/s（Containing 0.01m/s and 0.3m/s）, the impulse force of up current in each body can be caused to be less than the difference of gravity and buoyancy of the scraps of paper in water, simultaneously greater than The difference of gravity and buoyancy of the film class waste or used plastics piece in water.The scraps of paper and waste or used plastics piece so mixed, through same Wash, break up to multiple rotary drums of rotation, be gradually disengaged out in washing cavities；The scraps of paper are delayed due to water suction profit in each body Gradually sink down into jetsam pipe in slow up current, and film class waste or used plastics tablet is not because absorb water and proportion gentlier floats on The water surface, pulled over by multiple rotary drums of rotating Vortex and move forward to discharging opening.Washed in embodiment 1 and embodiment 2 by more rotary drums Wash separator and wash and isolate the light impurity contained in material such as scraps of paper, and identical principle.

It is 1m/s in the external circe speed of rotary drum, over dry mixed material is 3 with washings weight ratio：97, that is, wash dense Spend under the wash conditions for 3% and tested, it is demonstrated experimentally that the up flow velocity of the washings of each lower water inlet injection is set to Within 0.01m/s ~ 0.3m/s, efficiently separating for the aqueous scraps of paper and film plastic tablet can be appropriately realized, otherwise up flow velocity It is excessive, too high impulse force can be formed on the aqueous scraps of paper of sedimentation and influence separating effect；And in the presence of up current, with turn The film class waste or used plastics tablet that drum rotates washing seldom enters in body from each lower frustum mouth, also can be by slowly even if falling into In the washing cavities of up current refunds body, thus without up flow velocity or up flow velocity it is too small, can not effectively by Counter send back in washing cavities of film plastic tablet that body is strayed into current is pulled over toward outbound course.Take full advantage of the aqueous scraps of paper, modeling Expect the difference of specific gravity of tablet and water, realize high-efficient washing and the separation of the scraps of paper and plastic film chip.

Above example does not form restriction to the present invention, and relevant staff is in the scope without departing from the technology of the present invention thought It is interior, carried out it is various change and modifications, all fall within protection scope of the present invention.

Claims (2)

1. More rotary drum film class technics of reclaim of plastic waste reuse methods 1. a kind of flow velocity successively decreases, it is characterised in that：This method uses Film class technics of reclaim of plastic waste recycles washing, purifying system, and by material process traffic direction, the system includes the first conveying and set Standby, shredder, the second conveying equipment, tumbler-type washing machine, more rotary drum washing separation devices, tablet pump, inclined helix dehydrator, Buffer bin, the 3rd conveying worm, double-screw impregnator, drying machine, the 4th conveying equipment and storage bin；This method includes：

   1. material papering section：

   Material is delivered to after shredder is broken into tablet by the first conveying equipment；Then rotary drum is delivered to by the second conveying equipment Formula rinsing maching adds washings adjustment concentration to be washed for 3 ~ 5%, sediment, removes the heavy seeds being mingled in material；

   2. centrifugal station is washed again：

   Water-containing materials after the washing of material papering section output are delivered to more rotary drum washing separation devices, it is waste and old using film class The difference of specific gravity of the aqueous scraps of paper, plastics tablet and the water that mix in plastics, the aqueous scraps of paper and plastics tablet is isolated in washing, aqueous The scraps of paper are discharged from each jetsam pipe, and plastics tablet, which is pulled over, moves forward to discharging opening, and being then pumped to inclined helix dehydrator by tablet pump enters Row dehydration；

   3. neat and well spaced section of machinery rubbing：

   Plastics tablet after the dehydration that centrifugal station output will be washed again is delivered to buffer bin；The load displacing screw of buffered feed bin Metering output material double-screw impregnator is delivered to by the 3rd conveying worm, be sheared in double-screw impregnator rubbing into Small pieces and pellet shape particle, while the free water in extruded material；

   4. dry storage section：

   The plastics tablet of machinery neat and well spaced section of output of rubbing is delivered to drying machine heated-air drying, then conveyed by the 4th conveying equipment Stored to storage bin；

   Described 2. to wash again in centrifugal station, injecting up flow velocity from each lower water inlet of more rotary drum washing separation devices is 0.01m/s ~ 0.3m/s washings；

   It is described 2. to wash again in centrifugal station, along the mixed material horizontal feed direction of more rotary drum washing separation devices, from each The up flow velocity of the washings of individual lower water inlet injection successively decreases successively；

   Described drying machine includes cabinet and multi-level dryer mesh belt device；It is horizontal that the multi-level dryer mesh belt device includes multilayer To the conveyer belt of setting, multilayer conveyer belt head and the tail section is staggered described in the vertical direction, along material conveying direction, next layer The head end of conveyer belt stretches out the tail end of last layer conveyer belt；

   4. the hot blast of the drying machine of the dry storage section uses jet chimney indirectly heat, and steam pressure is 0.4 ~ 0.6MPa, Or the hot blast of the drying machine of the 4. dry storage section uses electrical heating；

   1. obtained sediment impurity enters fixed-end forces system after tumbler-type washing machine washing in the material papering section, it is described 2. again Jetsam pipe of the aqueous scraps of paper through more rotary drum washing separation devices is discharged into waste paper repulping recovery system in washing centrifugal station System, the residual impurity and water discharged by the sieve plate mesh of inclined helix dehydrator enter water treatment system, after precipitation purification It is recycled to be used in washing process；3. the free water discharged in neat and well spaced section of the machinery rubbing by draining filter screen enters water process system System, washing process is back to through precipitation purification Posterior circle.
2. More rotary drum film class technics of reclaim of plastic waste reuse methods 2. flow velocity according to claim 1 successively decreases, its feature It is：

   2. the centrifugal station that washs again is：By the output of 1. material papering section mix the washing of the aqueous scraps of paper, plastics tablet and water after Film class waste or used plastics are delivered to more rotary drum washing separation devices, are injected from the upper water inlet of more rotary drum washing separation devices Washings are injected from each lower water inlet while washings, from the up flow velocity of the washings of each lower water inlet injection, if To cause the impulse force of up current in each body to be less than the gravity of the scraps of paper and the difference of buoyancy in washings, simultaneously greater than in washings The gravity of plastics tablet and the difference of buoyancy；Washed, separated by multiple rotary drums of rotating Vortex, breaing up material, alternately opened and closed each Loading and unloading material valve and each lower discharge valve discharge are deposited on the aqueous scraps of paper in each jetsam pipe；It will be moulded by multiple rotary drums of rotating Vortex Material tablet, which is pulled over, moves forward to discharging opening, is then sent to inclined helix dehydrator and further removes residual impurity and complete to be dehydrated, residual Remaining impurity and water are discharged by the screen cloth mesh of inclined helix dehydrator.