CN106336926A - Waste plastic derived fuel preparation system and waste plastic derived fuel preparation method - Google Patents
Waste plastic derived fuel preparation system and waste plastic derived fuel preparation method Download PDFInfo
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- CN106336926A CN106336926A CN201610940024.4A CN201610940024A CN106336926A CN 106336926 A CN106336926 A CN 106336926A CN 201610940024 A CN201610940024 A CN 201610940024A CN 106336926 A CN106336926 A CN 106336926A
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- waste plastics
- conveyer belt
- fuel preparation
- feed bin
- broken
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/406—Solid fuels essentially based on materials of non-mineral origin on plastic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses a waste plastic derived fuel preparation system and a waste plastic derived fuel preparation method and relates to the technical field of waste plastic treatment. The waste plastic derived fuel preparation system comprises a crushing unit for crushing waste plastic to form crushed plastic, a continuous centrifugal dehydrator for dehydrating the crushed plastic, a stock bin for storing the crushed plastic dehydrated by the continuous centrifugal dehydrator, a rotary drying kiln for drying materials to obtain PDF, and a conveying system including multiple conveying belts and multiple pneumatic conveying systems, wherein the conveying belts and the pneumatic conveying system are used for connecting all devices in the system to form a continuous production line. The waste plastic derived fuel preparation system has the advantages that waste plastic can be prepared into pure, high-calorific-value and low-moisture-content derived fuel, the requirement for energy source conversion can be met, no secondary pollution is produced in the whole treating process, and the treatment cost is low.
Description
Technical field
The present invention relates to Treatment of Waste Plastics technical field is and in particular to a kind of waste plastics derivatived fuel preparation system and useless mould
Material derivatived fuel preparation method.
Background technology
According to State Statistics Bureau's statistical data, end in by the end of September, 2014, China's pulping and paper-making and paper products industry number of the enterprise have
6824, each paper plant can produce a large amount of waste plastics in pulping process, and these waste plastics are mixture, except various waste materials
Interior, also it is mingled with paper scrap, metal, stone, glass etc., direct resource recovery difficult is big, and the response rate is low.This waste plastics is certainly
So generally require up to a hundred or even centuries under environmental condition could degrade, direct landfill causes severe contamination to environment.
At present, the waste plastics in most domestic paper mill mainly adopts regeneration and granulation and burns two ways recycling,
Because the comparison of ingredients of the waste plastics in paper mill is complicated, artificial separation can only go out minority high-quality plastics and carry out pelletize regeneration, remain
Remaining a large amount of miscellaneous plastic also needs to dispose.The burning (generating) of waste and old mixed plastic, because wherein containing the chlorine-containing components such as pvc, was burned
Cheng Zhonghui produces the hypertoxic harmful substance such as two English, and flue gas pollutant discharge is high, easily causes secondary pollution.
Content of the invention
It is an object of the invention to provide a kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation method,
With solve the problems, such as or at least mitigate in the presence of background technology at least one at, or for solving the problems, such as at above-mentioned at least one offer
Convenient.
The technical solution used in the present invention is: provides a kind of waste plastics derivatived fuel preparation system, comprises:
Broken unit, described broken unit comprises boulder crusher and fine crusher, for crushing waste plastics, forms broken thing
Material；For waste or used plastics complicated components, moisture content is high, and size difference is big, the feature that soft or hard material all has, be designed with boulder crusher and
Fine crusher smoothly completes waste plastics and crushes, and is subsequent treatment provides convenient；
Continuous centrifugal dewaterer, described continuous centrifugal dewaterer is used for described broken material is dehydrated；Continuous centrifugal is dehydrated
Machine is continuous feed, continuous run, the centrifugal dehydrator of continuous discharge, for the attached water centrifugation point being mingled with waste or used plastics
From realizing preliminary mummification；
Feed bin, described feed bin is used for broken material after the dehydration of described continuous centrifugal dewaterer for the storage；According to broken plastics
The anti-bridging feed bin of material form particular design, while realizing material and keep in, can smoothly feed, discharging, will not be because putting up a bridge
Cause material discharging not smooth；
Revolution drying kiln, described revolution drying kiln comprises interior heating chamber and material cavity, and described interior heating chamber is arranged on described
The inside of material cavity, described interior heating chamber carries out preliminary indirectly heat for being passed through gas to the material of described material intracavity；Institute
State material cavity to be used for storing material and be fed forward material, and material is realized directly heating, obtain rdf；Revolution drying kiln
Dry the high-temperature flue gas of the follow-up rdf pyrolysis oven of thermal source.Drying course, according to material characteristic, designs drying kiln technical process and knot
Structure, first indirectly heat, by follow-up rdf pyrolysis produce high-temperature flue gas temperature reduce, then directly heat carry out material depth do
Dry, obtain moisture and meet the rdf requiring；
Induction system, described induction system comprises a plurality of conveyer belt and multiple blast system, described boulder crusher and fine crusher
Connected by described conveyer belt, described fine crusher is connected by blast system with continuous centrifugal dewaterer, described continuous centrifugal takes off
Water dispenser is connected by blast system with feed bin, and described feed bin is connected by conveyer belt with described revolution drying kiln.
Preferably, described waste plastics derivatived fuel preparation system also comprises grab claw and storage hole；Described storage hole is arranged on institute
State between boulder crusher and fine crusher, for storing the material being formed after described boulder crusher coarse crushing；Described grab claw is arranged on described
Storage hole top, described grab claw be used for by pending waste plastics grab described boulder crusher and by described storage hole in material
Grab into described fine crusher.
Preferably, described waste plastics derivatived fuel preparation system also comprises hopper；Described conveyer belt comprises the second conveyer belt,
Described second material in cheating described storage used for conveyer belt is delivered to described fine crusher；It is defeated that described hopper is arranged on described second
Send band near the one end in described storage hole, described fine crusher is arranged on the other end of described second conveyer belt.
Preferably, described blast system comprises the first blast system and the second blast system, and described first blast system sets
Put between described fine crusher and described continuous centrifugal dewaterer, be delivered to described continuous centrifugal for the material after will be in small, broken bits and take off
Water dispenser；Described second blast system is arranged between described continuous centrifugal dewaterer and described feed bin, for by dry after thing
Material is delivered to described feed bin.
Preferably, described conveyer belt also comprises the 4th conveyer belt；The bottom of described feed bin is provided with spiral discharging mechanism, institute
State spiral discharging mechanism for the material in described feed bin is delivered to described 4th conveyer belt, the described 4th used for conveyer belt in will
Material in described feed bin is delivered in described revolution drying kiln.
Preferably, described grab claw comprises truss, suspension track and material pawl；Described truss is fixedly installed, described suspension
Track is arranged on described truss, and described material pawl is arranged on described suspension track, and can be along described suspension track motion.
Preferably, described suspension track is provided with two, two described suspension parallel track settings, and each track is arranged
There is a material pawl.
Present invention also offers a kind of waste plastics derivatived fuel preparation method, using waste plastics preparation of fuel system as described above
Fuel is made in controlling, and waste plastics derivatived fuel preparation method comprises the steps of
Step one, using broken unit broken worn-out plastics；Setting value is exceeded for waste plastics size, first with coarse crushing
Machine is crushed, and is stored in storage hole；For waste plastics size within setting value, it is directly stored in storage hole；Then pass through second defeated
Send band that the material storing up in hole is delivered to fine crusher to crush again；
Step 2, is taken off to the waste plastics after crusher machine in small, broken bits in described step one using continuous centrifugal dewaterer
Water；
Step 3, the waste plastics after processed in described step 2 is kept in feed bin；
Step 4, by the 4th conveyer belt, the waste plastics in described feed bin is delivered in revolution drying kiln, to entering back
Turn the waste plastics advanced row indirectly heat in drying kiln, then directly heat, finally give rdf.
Turn round in drying kiln to entering in above-mentioned waste plastics derivatived fuel preparation method it is preferable that in described step 4
The thermal source of plastics advanced row indirectly heat be the high-temperature flue gas that described rdf produces in follow-up pyrolytic process.
In above-mentioned waste plastics derivatived fuel preparation method it is preferable that in described step one, described boulder crusher is used for giving up
Plastics coarse crushing becomes material within 300mm × 50mm for the size, and described fine crusher is used for one-tenth size in small, broken bits for the material after coarse crushing
Granule within 50mm.
The beneficial effects of the present invention is:
The sorting of waste plastics can be realized by the waste plastics derivatived fuel preparation system of the present invention, and waste plastics is converted
Become pure, high heating value, low-moisture rdf fuel, make waste plastics be recycled utilization, the response rate is high, will not cause dirt to environment
Dye.The rdf that waste plastics conversion obtains can obtain pyrolysis gas and pyrolytic carbon using pyrolysis plant pyrolysis, and pyrolysis gas and pyrolytic carbon can
To replace fire coal to become clean energy resource, use for paper mill or electricity generation system.Whole processing procedure will not produce secondary pollution, place
Reason low cost.
Rdf fuel not only can be obtained by the waste plastics derivatived fuel preparation method of the present invention, in the drying of waste plastics
During can using later stage rdf pyrolysis produce high-temperature flue gas, save the energy.
Brief description
Fig. 1 is the schematic diagram of the waste plastics derivatived fuel preparation system of one embodiment of the invention.
Fig. 2 is the flow chart of the waste plastics derivatived fuel preparation method of one embodiment of the invention.
1- boulder crusher, 2- grab claw, 3- second conveyer belt, 4- magnetic separator, 5- fine crusher, 6- first blast system, 7- is even
Continuous centrifugal dehydrator, 8- second blast system, 9- feed bin, 10- the 4th conveyer belt, 11- turns round drying kiln, 12- storage hole, 13- the
One conveyer belt.
Specific embodiment
For making purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As the label element that represents same or similar element or there is same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary it is intended to use
In the explanation present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and embodiments of the invention is described in detail.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " interior " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of the description present invention and simplify description, rather than the dress of instruction or hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protecting to the present invention
The restriction of scope.
As shown in figure 1, a kind of waste plastics derivatived fuel preparation system, comprise broken unit, continuous centrifugal dewaterer 7, material
Storehouse 9, revolution drying kiln 11 and induction system.
Described broken unit comprises boulder crusher 1 and fine crusher 5, for crushing waste plastics, forms broken material；For useless
Old plastic fraction is complicated, and moisture content is high, and size difference is big, and the feature that soft or hard material all has is designed with boulder crusher 1 and fine crusher 5
Smoothly complete waste plastics to crush, be subsequent treatment provides convenient.
Continuous centrifugal dewaterer 7 is used for described broken material is dehydrated；Continuous centrifugal dewaterer 7 is continuous feed, continuous
Operation, the centrifugal dehydrator of continuous discharge, for the attached water centrifugation being mingled with waste or used plastics, realize preliminary mummification.
Feed bin 9 is used for broken material after continuous centrifugal dewaterer 7 dehydration for the storage；Special according to broken plastics materials form
The anti-bridging feed bin of design, while realizing material and keep in, can smoothly feed, discharging, will not cause material discharging because of bridging
Not smooth.
Revolution drying kiln 11 comprises interior heating chamber and material cavity, and described interior heating chamber is arranged on the inside of described material cavity,
Described interior heating chamber carries out preliminary indirectly heat for being passed through gas to the material of described material intracavity；Described material cavity is used for depositing
Storing material and be fed forward material, and material is realized directly heating, obtain rdf；After the drying thermal source of revolution drying kiln 11
The high-temperature flue gas of continuous rdf pyrolysis oven.Drying course, according to material characteristic, designs drying kiln technical process and structure, first indirectly adds
Heat, the temperature of high-temperature flue gas is reduced, then directly heats and carry out material depth drying, obtains moisture and meets the rdf requiring；
Described induction system comprises a plurality of conveyer belt and multiple blast system, and described boulder crusher 1 and fine crusher 5 pass through described
Conveyer belt connects, and described fine crusher 5 is connected by blast system with continuous centrifugal dewaterer 7, described continuous centrifugal dewaterer 7 and
Feed bin 9 is connected by blast system, and described feed bin 9 is connected by conveyer belt with described revolution drying kiln 11.
Pending waste plastics can be prepared into by pure, calorific value by the waste plastics derivatived fuel preparation system of the present invention
Derivatived fuel high, that moisture content is low and stable, can replace fire coal to become clean energy resource, whole processing procedure will not produce secondary
Pollution, processing cost is low.
In the present embodiment, boulder crusher 1 is broken by the way of shearing, tear, sting, extruding, and by adjusting discharging opening
Backlash freedom adjusts discharging-material size, without screen cloth, by motor, reductor, broken machine cavity, base, Cutting tool installation manner axle, cutter and enter
The devices such as hopper assemble, and wherein broken machine cavity is fixed by bolts on base, and feed hopper is fixed by bolts to broken machine cavity
On, there are two Cutting tool installation manner axles in broken machine cavity, Cutting tool installation manner axle is connected with and tears up cutter, the connection of Cutting tool installation manner axle one end subtracts
Fast machine, reductor one end connects motor.
Its operation principle drives two reductor operatings respectively for two motors, and two reductors drive two Cutting tool installation manner axles low respectively
Speed rotation, then two Cutting tool installation manner axles drive cutter opposite direction rotating mounted thereto respectively, then will be to be broken by grab claw 2
Waste plastics send into broken intracavity, waste plastics is subject to shearing, tear and extruding of the cutter of two opposite direction rotatings in broken intracavity, from
And the plastics strip within plastics twisted rope is shredded into 300mm*50mm.
In the present embodiment, the cutter of boulder crusher 1 is designed as massive structure, and using special alloy tool steel
Make, and through multiple heat treatment, therefore cutter life is long；Boulder crusher passes through to adjust width, tooth pitch, cutter and the pad of cutter
Gap carry out the broken particle diameter of control material, without screen cloth, therefore have the advantages that broken speed is fast, no blocking；Boulder crusher
Broken machine cavity is welded using thicker steel plate, and through eliminate stress process after overall processing, therefore very firm it is ensured that setting
Standby stability in long-time heavy load；Boulder crusher is designed with current protection and the auto-reverse device of cutter, super when accidentally having
When the material of bulk enters broken in plastics twisted rope boulder crusher, cutter is auto-reverse, this device can effectively protect disintegrating machine and
Cutter does not meet with anticipating damaging under special operation condition interiorly, so that production is normally run.
In the present embodiment, fine crusher 5 is made up of pusher, big inertia rotor, moving knife, stationary knife and screen cloth, and motor passes through
Reductor drives big inertia rotor high-speed rotation, thus driving the moving knife being arranged on big inertia rotor and being arranged in machine cavity
Stationary knife forms cutting (gnawing formula structure similar to tooth), after cutting for several times, if the sieve aperture being smaller in size than on screen cloth of plastics
Aperture, then suctioned out plastics by negative pressure wind from mesh, if the size of plastics is more than the screen-aperture on screen cloth, material is in machine
Intracavity proceeds tooth and gnaws formula cutting, could discharging till the screen-aperture being smaller in size than on screen cloth of plastics.Its advantage
It is, because with screen cloth, the material size after crushing is less and uniform；Because with pusher, broken production capacity is high；Using can
Dismountable moving knife and stationary knife structure, easy to maintenance；Moving knife adopts step scissors to arrange, and so that cutting stress is decomposed, causes cutting force
It is doubled and redoubled.
In the present embodiment, described waste plastics derivatived fuel preparation system also comprises grab claw 2 and storage hole 12；Storage hole 12 sets
Put between boulder crusher 1 and fine crusher 5, for storing the material being formed after boulder crusher 1 coarse crushing；Grab claw 2 is arranged on storage hole 12
Top, grab claw 2 be used for by pending waste plastics grab boulder crusher 1 and by storage hole 12 in material grab into fine crusher 5.
In the present embodiment, for plastics twisted rope etc., larger waste plastics is first grabbed into boulder crusher 1 coarse crushing, coarse crushing by grab claw 2
Afterwards storage hole 12 is delivered to by first conveyer belt 13；The waste plastics of the smaller particle such as light slag for plastics, can be straight by waggon
Switch through and be transported in storage hole 12.Then, then by grab claw 2 material storing up in hole 12 is sent into fine crusher 5.
In the present embodiment, grab claw 2 comprises truss, suspension track and material pawl；Described truss is fixedly installed, described outstanding
Put track to be arranged on described truss, described material pawl is arranged on described suspension track, and can be along described suspension track fortune
Dynamic.Specifically, truss fixes on the ground, and across above storage hole 12.Specifically, it is provided with thing above described suspension track
Material pawl, for grabbing bulk waste plastics into boulder crusher 1, the material in storage hole 12 is grabbed in small, broken bits 5.
In another alternative, described suspension track is provided with two, two described suspension parallel track settings,
One material pawl is provided with each track.When a material pawl breaks down, another can ensure that the normal fortune of equipment
OK.Have an advantage in that, be conducive to improving work efficiency and equipment uses safety coefficient.
In the present embodiment, described waste plastics derivatived fuel preparation system also comprises magnetic separator 4 and hopper；Described conveyer belt
Comprise the second conveyer belt 3, the second conveyer belt 3 is used for for the material in storage hole 12 being delivered to fine crusher 5；Described hopper is arranged on
Two conveyer belts 3 are arranged on the other end of the second conveyer belt 3 near the one end in storage hole 12, fine crusher 5；Magnetic separator 4 is arranged on second
Between the two ends of conveyer belt 3, it is used for sub-electing magnetic material.
Because pending waste plastics (as plastics twisted rope) is to be tangled by the material of multiple different components to form together, therefore
Material is longer, relatively thick, and the inside complicated simultaneously, except most of bulk plastic thin film, ribbon fibre band and strap
Interior, also contain many iron wires etc., be therefore directed to the material of plastics twisted rope, devise two-stage and crush, first order boulder crusher is using big
Boulder crusher 1 low-speed running of moment of torsion, is crushed to the plastics strip within 300mm*50mm, then is sub-elected with magnetic separation therein
After magnetic material, then it is sent in second level fine crusher 5 broken again.Crushed using two-stage and make plastics twisted rope broken more suitable
Freely, more energy efficient.And the particle diameter of the light slag of plastics is less, and material dispersion, therefore only need to be directly entered crusher machine in small, broken bits can reach
Require.
Using continuous centrifugal dewaterer, material is dehydrated, the material water ratio after dehydration is less than 15%, becomes moisture content
The higher and stable rdf of very low, calorific value.
In the present embodiment, continuous centrifugal dewaterer is the principle design using eccentricity, using the master running up
Axle, makes material carry out centrifugal motion in drying intracavity, thus reaching the effect of dehydration.Have an advantage in that, drier turns gallbladder and adopts
With full network type filtering element (cartridge) inner tube structure, dry effect more preferable.Drier turns gallbladder and forms using corrosion resistant plate is refined, sturdy and durable；Get rid of
Dry machine adopts Triangular Belt's, drives starting wheel by motor, and to rated speed, smooth running is without friction for starting of walking unhurriedly.
In the present embodiment, described blast system comprises the first blast system 6 and the second blast system 8, and the first wind send and is
System 6 is arranged between fine crusher 5 and continuous centrifugal dewaterer 7, is delivered to continuous centrifugal dewaterer for the material after will be in small, broken bits
7.Second blast system 8 is arranged between continuous centrifugal dewaterer 7 and described feed bin 9, for being delivered to the material after drying
Described feed bin, has an advantage in that, can also in small, broken bits and dry after material carry out preliminary hydro-extraction.
Material after processed is delivered to feed bin 9 through the second blast system 8.
In the present embodiment, described conveyer belt also comprises the 4th conveyer belt 10；The bottom of feed bin 9 is provided with spiral discharging machine
Structure, described spiral discharging mechanism is used for for the material in feed bin 9 being delivered to the 4th conveyer belt 10, and the 4th conveyer belt 10 is used for expecting
Material in storehouse 9 is delivered in revolution drying kiln 11.
It is understood that described waste plastics recovery system can also comprise sewage disposal system and exhaust treatment system；
Described sewage disposal system is used for processing the waste water that described waste plastics produces in described dehydration equipment；Described exhaust treatment system
For processing the flue gas that described pyrolysis oven produces.
It is understood that the waste water that pending waste-plastic dewatering produces can also be sent directly into existing sewage disposal dress
Put, have an advantage in that, be conducive to simplifying waste plastics derivatived fuel preparation system.
Using the system, first pending waste plastics is prepared into the derivative combustion that pure, calorific value is high, moisture content is low and stable
Material, then again by rdf pyrolysis produce cleaning pyrolysis gas and pyrolytic carbon, due to rdf be under anaerobic or anoxia condition in be heated
Decompose, therefore decrease the generation of dioxin, can effectively check generation and the discharge of dioxin noxious substance.Therefore secondary
Pollution is little, safer to environment.
As described in Figure 2, the present invention has been also provided to a kind of waste plastics derivatived fuel preparation method, is moulded using giving up as mentioned above
Material fuel preparation system manufactures fuel, comprises the steps of
Step one, using broken unit broken worn-out plastics；Setting value is exceeded for waste plastics size, first with coarse crushing
Machine 1 is crushed, and is stored in storage hole 12；For waste plastics size within setting value, it is directly stored in storage hole 12；Then pass through the
The material storing up in hole 12 is delivered to fine crusher 5 and crushes again by two conveying 3 bands；
Step 2, is taken off to the waste plastics after crushing through fine crusher 5 in described step one using continuous centrifugal dewaterer 7
Water；
Step 3, the waste plastics after processed in described step 2 is kept in feed bin 9；
Step 4, by the 4th conveyer belt 10, the waste plastics in described feed bin 9 is delivered in revolution drying kiln 11, to entering
Enter to turn round the waste plastics advanced row indirectly heat in drying kiln 11, then directly heat, finally give rdf.
The thermal source that in described step 4, entrance is turned round with the plastics advanced row indirectly heat in drying kiln 11 is that described rdf exists
The high-temperature flue gas producing in follow-up pyrolytic process.
In described step one, described boulder crusher 1 is used for for waste plastics coarse crushing becoming thing within 300mm × 50mm for the size
Material, described fine crusher 5 is used for one-tenth granule within 50mm for the size in small, broken bits for the material after coarse crushing.The chi being given in the present embodiment
The very little full-size referring to broken rear material.It is understood that the main root of size of boulder crusher 1 and fine crusher 5 broken material
According to the ability of its own, especially, fine crusher 5 in broken material, want to Feed size by main consideration revolution drying kiln 11
Ask.
Finally it is noted that above example, only in order to technical scheme to be described, is not intended to limit.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that: it is still
Technical scheme described in foregoing embodiments can be modified, or wherein some technical characteristics are carried out with equivalent replacing
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (10)
1. a kind of waste plastics derivatived fuel preparation system is it is characterised in that comprise:
Broken unit, described broken unit comprises boulder crusher (1) and fine crusher (5), for crushing waste plastics, forms broken thing
Material；
Continuous centrifugal dewaterer (7), described continuous centrifugal dewaterer (7) is used for described broken material is dehydrated；
Feed bin (9), described feed bin (9) is used for broken material after described continuous centrifugal dewaterer (7) dehydration for the storage；
Revolution drying kiln (11), described revolution drying kiln (11) comprises interior heating chamber and material cavity, and described interior heating chamber is arranged on
The inside of described material cavity, described interior heating chamber carries out to the material of described material intracavity tentatively indirectly adding for being passed through gas
Heat；Described material cavity is used for storing material and is fed forward material, and material is realized directly heating, and obtains rdf；
Induction system, described induction system comprises a plurality of conveyer belt and multiple blast system, described boulder crusher (1) and fine crusher
(5) connected by described conveyer belt, described fine crusher (5) is connected by blast system with continuous centrifugal dewaterer (7), described company
Continuous centrifugal dehydrator (7) is connected by blast system with feed bin (9), and described feed bin (9) is passed through with described revolution drying kiln (11)
Conveyer belt connects.
2. waste plastics derivatived fuel preparation system as claimed in claim 1 it is characterised in that: described waste plastics derivatived fuel system
Standby system also comprises grab claw (2) and storage hole (12)；Described storage hole (12) be arranged on described boulder crusher (1) and fine crusher (5) it
Between, for storing the material being formed after described boulder crusher (1) coarse crushing；Described grab claw (2) is arranged on the upper of described storage hole (12)
Side, described grab claw (2) be used for by pending waste plastics grab described boulder crusher (1) and by described storage hole (12) in thing
Material is grabbed into described fine crusher (5).
3. waste plastics derivatived fuel preparation system as claimed in claim 2 it is characterised in that: described waste plastics derivatived fuel system
Standby system also comprises hopper；Described conveyer belt comprises the second conveyer belt (3), and described second conveyer belt (3) is used for described storage hole
(12) material in is delivered to described fine crusher (5)；Described hopper is arranged on described second conveyer belt (3) near described storage hole
(12) one end, described fine crusher (5) is arranged on the other end of described second conveyer belt (3).
4. waste plastics derivatived fuel preparation system as claimed in claim 3 it is characterised in that: described blast system comprises first
Blast system (6) and the second blast system (8), it is continuous with described that described first blast system (6) is arranged on described fine crusher (5)
Between centrifugal dehydrator (7), it is delivered to described continuous centrifugal dewaterer (7) for the material after will be in small, broken bits；Described second wind send
System (8) is arranged between described continuous centrifugal dewaterer (7) and described feed bin (9), for being delivered to the material after drying
Described feed bin.
5. waste plastics derivatived fuel preparation system as claimed in claim 4 it is characterised in that: described conveyer belt also comprises the 4th
Conveyer belt (10)；The bottom of described feed bin (9) is provided with spiral discharging mechanism, and described spiral discharging mechanism is used for described feed bin
(9) material in is delivered to described 4th conveyer belt (10), and described 4th conveyer belt (10) is used for the thing in described feed bin (9)
Material is delivered in described revolution drying kiln (11).
6. waste plastics derivatived fuel preparation system as claimed in claim 5 it is characterised in that: described grab claw (2) comprises purlin
Frame, suspension track and material pawl；Described truss is fixedly installed, and described suspension track is arranged on described truss, described material pawl
It is arranged on described suspension track, and can be along described suspension track motion.
7. waste plastics derivatived fuel preparation system as claimed in claim 6 it is characterised in that: described suspension track be provided with two
Individual, two described suspension parallel track settings, each track is provided with a material pawl.
8. a kind of waste plastics derivatived fuel preparation method, using waste plastics preparation of fuel system as described in any one of claim 1 to 7
Fuel is made in controlling it is characterised in that waste plastics derivatived fuel preparation method comprises the steps of
Step one, using broken unit broken worn-out plastics；Setting value is exceeded for waste plastics size, first with boulder crusher
(1) crushed, be stored in storage hole (12)；For waste plastics size within setting value, it is directly stored in storage hole (12)；Then lead to
Cross second conveying (3) band to be delivered to storing up the material in hole (12) fine crusher (5) and crush again；
Step 2, is taken off to the waste plastics after crushing through fine crusher (5) in described step one using continuous centrifugal dewaterer (7)
Water；
Step 3, the waste plastics after processed in described step 2 is kept in feed bin (9)；
Step 4, by the 4th conveyer belt (10), the waste plastics in described feed bin (9) is delivered in revolution drying kiln (11), right
Enter the waste plastics advanced row indirectly heat in revolution drying kiln (11), then directly heat, finally give rdf.
9. waste plastics derivatived fuel preparation method as claimed in claim 8 it is characterised in that: to entering back in described step 4
The thermal source turning the plastics advanced row indirectly heat in drying kiln (11) is the high temperature cigarette that described rdf produces in follow-up pyrolytic process
Gas.
10. waste plastics derivatived fuel preparation method as claimed in claim 9 it is characterised in that: in described step one, described thick
Broken machine (1) is used for for waste plastics coarse crushing becoming material within 300mm × 50mm for the size, and described fine crusher (5) is used for coarse crushing
Material one-tenth in small, broken bits granule within 50mm for the size afterwards.
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| CN110560248A (en) * | 2019-09-04 | 2019-12-13 | 宣城万里纸业有限公司 | Twisted rope crushing and recycling method |
| CN113234469A (en) * | 2021-05-24 | 2021-08-10 | 中国天楹股份有限公司 | Low-value waste plastic dry pretreatment system and method based on pyrolysis oil production |
| WO2024187995A1 (en) * | 2023-03-10 | 2024-09-19 | 昆明理工大学 | Waste plastic combustion pretreatment device and method |
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| CN106336926B (en) | 2019-01-18 |
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