CN106336926B - A kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation method - Google Patents
A kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation method Download PDFInfo
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- CN106336926B CN106336926B CN201610940024.4A CN201610940024A CN106336926B CN 106336926 B CN106336926 B CN 106336926B CN 201610940024 A CN201610940024 A CN 201610940024A CN 106336926 B CN106336926 B CN 106336926B
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- derivatived fuel
- conveyer belt
- feed bin
- fuel preparation
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- 239000004033 plastic Substances 0.000 title claims abstract description 125
- 229920003023 plastic Polymers 0.000 title claims abstract description 125
- 239000002699 waste material Substances 0.000 title claims abstract description 99
- 239000000446 fuel Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 111
- 238000001035 drying Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 31
- 239000000725 suspension Substances 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 10
- 238000000197 pyrolysis Methods 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- 239000006148 magnetic separator Substances 0.000 description 3
- 239000002296 pyrolytic carbon Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000232 gallbladder Anatomy 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000202567 Fatsia japonica Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses a kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation methods, are related to Treatment of Waste Plastics technical field.The waste plastics derivatived fuel preparation system includes: broken unit, and the broken unit forms broken material for waste plastics to be crushed；Continuous centrifugal dewaterer, the continuous centrifugal dewaterer are used to be dehydrated the broken material；Feed bin, the feed bin is for storing through the dewatered broken material of the continuous centrifugal dewaterer；Drying kiln is turned round, the revolution drying kiln is used for material drying, obtains RDF；Transportation system, the transportation system include a plurality of conveyer belt and multiple blast systems, and conveyer belt and blast system form tinuous production for each equipment in connection system.The beneficial effects of the present invention are: waste plastics can be prepared into pure, high heating value, low-moisture derivatived fuel, the requirement of energy conversion can satisfy, entire treatment process will not generate secondary pollution, and processing cost is low.
Description
Technical field
The present invention relates to Treatment of Waste Plastics technical fields, and in particular to a kind of waste plastics derivatived fuel preparation system and useless modeling
Expect derivatived fuel preparation method.
Background technique
Data according to the statistics of State Statistics Bureau, China's pulping and paper-making and paper products industry number of the enterprise have in by the end of September, 2014 for cut-off
6824, each paper plant can generate a large amount of waste plastics in pulping process, these waste plastics are mixture, remove various waste materials
It is interior, also it is mingled with paper scrap, metal, stone, glass etc., direct resource utilization difficulty is big, and the rate of recovery is low.This waste plastics is certainly
Generally requiring up to a hundred or even centuries under right environmental condition could degrade, and directly landfill causes seriously to pollute to environment.
It is recycled currently, the waste plastics in most domestic paper mill mainly uses regeneration and granulation and burns two ways,
Since the comparison of ingredients of the waste plastics in paper mill is complicated, can only artificial separation go out a small number of high-quality plastics and carry out granulation regeneration, remain
Remaining a large amount of miscellaneous plastics also need to dispose.The burning (power generation) of waste and old mixed plastic was burned because wherein containing the chlorine-containing components such as PVC
Cheng Zhonghui generates the hypertoxic harmful substance such as dioxin, and flue gas pollutant discharge is high, easily causes secondary pollution.
Summary of the invention
The object of the present invention is 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 technique at least one at, or to solve the problems, such as to provide at above-mentioned at least one
It is convenient.
The technical solution adopted by the present invention is that: a kind of waste plastics derivatived fuel preparation system is provided, includes:
Broken unit, the broken unit includes boulder crusher and fine crusher, for waste plastics to be crushed, formation fragment
Material；For waste plastic complicated components, the characteristics of moisture content is high, and size difference is big, and soft or hard material has, design have boulder crusher and
Fine crusher smoothly completes waste plastics and is crushed, and provides conveniently for subsequent processing；
Continuous centrifugal dewaterer, the continuous centrifugal dewaterer are used to be dehydrated the broken material；Continuous centrifugal dehydration
Machine be continuous feed, continuous operation, continuous discharge centrifugal dehydrator, for waste plastic to be mingled with attached water centrifugation point
From realizing preliminary desiccation；
Feed bin, the feed bin is for storing through the dewatered broken material of the continuous centrifugal dewaterer；According to broken plastics
The anti-bridging feed bin of material form special designing can smoothly feed, discharge while realizing that material is temporary, will not be because putting up a bridge
Cause material discharging unsmooth；
Drying kiln is turned round, the revolution drying kiln includes interior heating chamber and material cavity, and the interior heating chamber is arranged described
The inside of material cavity, the interior heating chamber are used to be passed through gas and carry out preliminary indirect heating to the material in the material cavity；Institute
Material cavity is stated for storing material and being fed forward material, and directly heat to material realization, obtains RDF；Turn round drying kiln
Dry the high-temperature flue gas of the subsequent RDF pyrolysis oven of heat source.Drying course designs drying kiln technical process and knot according to material characteristic
Structure, first indirect heating reduce the temperature for the high-temperature flue gas that subsequent RDF pyrolysis generates, then directly heat progress material depth and do
It is dry, obtain the RDF that moisture content is met the requirements；
Transportation system, the transportation system include a plurality of conveyer belt and multiple blast systems, the boulder crusher and fine crusher
By the conveying band connection, the fine crusher is connect with continuous centrifugal dewaterer by blast system, and the continuous centrifugal is de-
Water dispenser is connect with feed bin by blast system, and the feed bin and the revolution drying kiln pass through conveying band connection.
Preferably, the waste plastics derivatived fuel preparation system also includes grab claw and storage hole；The storage hole is arranged in institute
It states between boulder crusher and fine crusher, for storing the material formed after the boulder crusher coarse crushing；The grab claw is arranged described
The top in hole is stored up, the grab claw is used to grab waste plastics to be processed the boulder crusher and stores up the material in cheating for described
It grabs into the fine crusher.
Preferably, the waste plastics derivatived fuel preparation system also includes hopper；The conveyer belt includes the second conveyer belt,
Described second material used for conveyer belt in cheating the storage is delivered to the fine crusher；The hopper setting is defeated described second
Send band close to the one end in the storage hole, the other end of second conveyer belt is arranged in the fine crusher.
Preferably, the blast system includes the first blast system and the second blast system, and first blast system is set
It sets between the fine crusher and the continuous centrifugal dewaterer, is delivered to the continuous centrifugal for the material after will be fine crushing and takes off
Water dispenser；Second blast system is arranged between the continuous centrifugal dewaterer and the feed bin, for the object after drying
Material is delivered to the feed bin.
Preferably, the conveyer belt also includes the 4th conveyer belt；The bottom of the feed bin is provided with spiral discharging mechanism, institute
Spiral discharging mechanism is stated for the material in the feed bin to be delivered to the 4th conveyer belt, the described 4th is used for conveyer belt in general
Material in the feed bin is delivered in the revolution drying kiln.
Preferably, the grab claw includes truss, suspension track and material pawl；The truss fixed setting, the suspension
Track is arranged on the truss, and the material pawl is arranged on the suspension track, and can move along the suspension track.
Preferably, there are two the suspension track settings, two suspension parallel tracks are arranged, and are arranged on each track
There is a material pawl.
The present invention also provides a kind of waste plastics derivatived fuel preparation methods, utilize waste plastics preparation of fuel as described above system
Fuel is made in controlling, and waste plastics derivatived fuel preparation method comprises the steps of:
Step 1 utilizes broken unit broken worn-out plastics；It is more than setting value for waste plastics size, first with coarse crushing
Machine is crushed, deposit storage hole；For waste plastics size within setting value, it is directly stored in storage hole；Then defeated by second
It send band that the material in storage hole is delivered to fine crusher to be crushed again；
Step 2 is taken off in the step 1 through the broken waste plastics of fine crusher using continuous centrifugal dewaterer
Water；
Step 3 keeps in the waste plastics after dehydration in the step 2 to feed bin；
Waste plastics in the feed bin is delivered in revolution drying kiln, to entering back by step 4 by the 4th conveyer belt
Turn the advanced row indirect heating of waste plastics in drying kiln, then directly heats, finally obtain RDF.
In above-mentioned waste plastics derivatived fuel preparation method, it is preferable that in entrance revolution drying kiln in the step 4
The heat source of the advanced row indirect heating of plastics be high-temperature flue gas that the RDF is generated in subsequent pyrolytic process.
In above-mentioned waste plastics derivatived fuel preparation method, it is preferable that in the step 1, the boulder crusher will be for that will give up
Material of the plastics coarse crushing at size within 300mm × 50mm, the fine crusher are used for the material after coarse crushing is fine crushing at size
Particle within 50mm.
The beneficial effects of the present invention are:
The sorting of waste plastics may be implemented in waste plastics derivatived fuel preparation system through the invention, and waste plastics is converted
At pure, high heating value, low-moisture RDF fuel, recycle waste plastics, the rate of recovery is high, will not cause dirt to environment
Dye.The RDF that waste plastics converts can use pyrolysis plant and be pyrolyzed to obtain pyrolysis gas and pyrolytic carbon, and pyrolysis gas and pyrolytic carbon can
It is coal-fired as clean energy resource to replace, it is used for paper mill or electricity generation system.Entire treatment process will not generate secondary pollution, locate
It manages at low cost.
The not only available RDF fuel of waste plastics derivatived fuel preparation method through the invention, in the drying of waste plastics
It can use the high-temperature flue gas that later period RDF pyrolysis generates in the process, saved the energy.
Detailed description of the invention
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, the second conveyer belt of 3-, 4- magnetic separator, 5- fine crusher, the first blast system of 6-, 7- connect
Continuous centrifugal dehydrator, the second blast system of 8-, 9- feed bin, the 4th conveyer belt of 10-, 11- turn round drying kiln, 12- storage hole, 13- the
One conveyer belt.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "inner" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1, a kind of waste plastics derivatived fuel preparation system, includes broken unit, continuous centrifugal dewaterer 7, material
Storehouse 9, revolution drying kiln 11 and transportation system.
The broken unit includes boulder crusher 1 and fine crusher 5, for waste plastics to be crushed, formation broken material；For useless
The characteristics of old plastic fraction is complicated, and moisture content is high, and size difference is big, and soft or hard material has, design have boulder crusher 1 and fine crusher 5
It is broken to smoothly complete waste plastics, is provided conveniently for subsequent processing.
Continuous centrifugal dewaterer 7 is used to be dehydrated the broken material；Continuous centrifugal dewaterer 7 is continuous feed, continuously
It runs, the centrifugal dehydrator of continuous discharge, preliminary desiccation is realized in the attached water centrifuge separation for waste plastic to be mingled with.
Feed bin 9 is for storing through the dewatered broken material of continuous centrifugal dewaterer 7；It is special according to broken plastics materials form
The anti-bridging feed bin of design can smoothly feed, discharge while realizing that material is temporary, will not because caused by bridging material discharge
It is unsmooth.
Turning round drying kiln 11 includes interior heating chamber and material cavity, and the inside of the material cavity is arranged in the interior heating chamber,
The interior heating chamber is used to be passed through gas and carries out preliminary indirect heating to the material in the material cavity；The material cavity is for depositing
Storing material and it is fed forward material, and material realization is directly heated, obtains RDF；After turning round the drying heat source use of drying kiln 11
The high-temperature flue gas of continuous RDF pyrolysis oven.Drying course designs drying kiln technical process and structure, first adds indirectly according to material characteristic
Heat reduces the temperature of high-temperature flue gas, then directly heats and carry out material depth drying, obtains the RDF that moisture content is met the requirements；
The transportation system includes a plurality of conveyer belt and multiple blast systems, and the boulder crusher 1 passes through described with fine crusher 5
Convey band connection, the fine crusher 5 connect with continuous centrifugal dewaterer 7 by blast system, the continuous centrifugal dewaterer 7 and
Feed bin 9 is connected by blast system, and the feed bin 9 passes through conveying band connection with the revolution drying kiln 11.
Waste plastics to be processed can be prepared into pure, calorific value by waste plastics derivatived fuel preparation system through the invention
Derivatived fuel high, moisture content is low and stable, can replace fire coal becomes clean energy resource, and entire treatment process will not generate secondary
Pollution, processing cost are low.
In the present embodiment, boulder crusher 1 is crushed by the way of shearing, tearing, sting, squeeze, and by adjusting discharge port
Backlash freedom adjust discharging-material size, be not necessarily to sieve, by motor, speed reducer, broken machine cavity, pedestal, Cutting tool installation manner axle, cutter and into
The devices such as hopper assemble, and wherein broken machine cavity is fixed by bolts on pedestal, and feed hopper is fixed by bolts to broken machine cavity
On, there are two Cutting tool installation manner axles in broken machine cavity, be connected in Cutting tool installation manner axle and tear up cutter, the connection of Cutting tool installation manner axle one end subtracts
Fast machine, speed reducer one end connect motor.
Its working principle is that two motors drive two speed reducers to operate respectively, two speed reducers 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 be sent into crusher chamber in, shearing, tearing and extruding of the waste plastics in crusher chamber by the cutter of two opposite direction rotatings, from
And plastics twisted rope is shredded into the plastics strip within 300mm*50mm.
In the present embodiment, the cutter of boulder crusher 1 is designed as massive structure, and uses special alloy tool steel
Make, and is repeatedly heat-treated, therefore cutter life is long；Boulder crusher is by adjusting the width of cutter, tooth pitch, cutter and gasket
Gap control the broken partial size of material, be not necessarily to sieve, thus have the advantages that broken speed fastly, without blocking；Boulder crusher
Broken machine cavity is welded using thicker steel plate, and the overall processing after eliminating stress and handling, therefore very firm, it is ensured that is set
The standby stability in long-time heavy load；Boulder crusher design has current protection and the auto-reverse device of cutter, super when having accidentally
The material of bulk enter in plastics twisted rope boulder crusher be crushed when, cutter is auto-reverse, this device can be effectively protected crusher and
Cutter does not meet with anticipating under special operation condition damaging interiorly, operates normally production.
In the present embodiment, fine crusher 5 is made of pusher, big inertia rotor, moving knife, stationary knife and sieve, and motor passes through
Speed reducer drives big inertia rotor high speed rotation, to drive the moving knife being mounted on big inertia rotor and be mounted in machine cavity
Stationary knife forms cutting (gnawing formula structure similar to tooth), after cutting for several times, if the size of plastics is less than the sieve pore on sieve
Then plastics are sucked out from mesh by negative pressure wind for aperture, if the size of plastics is greater than the screen-aperture on sieve, material is in machine
The intracavitary tooth that continues gnaws formula cutting, could discharge until the size of plastics is less than the screen-aperture on sieve.Its advantage
It is, due to having sieve, broken material size is smaller and uniform；Due to having pusher, it is high to be crushed production capacity；Using can
Detachable moving knife and stationary knife structure, it is easy to maintain；Moving knife is arranged using step scissors, is made to cut stress decomposition, is caused cutting force
It is doubled and redoubled.
In the present embodiment, the waste plastics derivatived fuel preparation system also includes grab claw 2 and storage hole 12；Storage hole 12 is set
It sets between boulder crusher 1 and fine crusher 5, for storing the material formed after 1 coarse crushing of boulder crusher；The setting of grab claw 2 is in storage hole 12
Top, grab claw 2 be used for by waste plastics to be processed grab boulder crusher 1 and will storage hole 12 in material grab into fine crusher 5.
In the present embodiment, waste plastics larger for plastics twisted rope etc. is first grabbed by grab claw 2 into 1 coarse crushing of boulder crusher, coarse crushing
Storage hole 12 is delivered to by first conveyer belt 13 afterwards；The waste plastics of the smaller particles such as slag light for plastics, can be straight by waggon
Switch through and is transported in storage hole 12.Then, then by grab claw 2 by the material in storage hole 12 it is sent into fine crusher 5.
In the present embodiment, grab claw 2 includes truss, suspension track and material pawl；The truss fixed setting, it is described outstanding
It sets track to be arranged on the truss, the material pawl is arranged on the suspension track, and can transport along the suspension track
It is dynamic.Specifically, truss fixes on the ground, and across above storage hole 12.Specifically, being provided with object above the suspension track
Expecting pawl, for grabbing bulk waste plastics into boulder crusher 1, the material in storage hole 12 being grabbed into fine crushing 5.
In another alternative embodiment, there are two the suspension track settings, two suspension parallel track settings,
A material pawl is provided on each track.When a material pawl breaks down, another can guarantee the normal fortune of equipment
Row.It the advantage is that, be conducive to improve working efficiency and equipment uses safety coefficient.
In the present embodiment, the waste plastics derivatived fuel preparation system also includes magnetic separator 4 and hopper；The conveyer belt
Comprising the second conveyer belt 3, the second conveyer belt 3 is used to the material in storage hole 12 being delivered to fine crusher 5；Hopper setting is the
The other end of the second conveyer belt 3 is arranged in close to the one end in storage hole 12, fine crusher 5 in two conveyer belts 3；Magnetic separator 4 is arranged second
Between the both ends of conveyer belt 3, for sub-electing magnetic material.
Since waste plastics (such as plastics twisted rope) to be processed is to be tangled to form together by the material of a variety of different components,
Material is longer, relatively thick, while the inside is complex in composition, in addition to most of bulk plastic film, ribbon fibre band and strap
It is interior, also containing more iron wires etc., therefore it is directed to the material of plastics twisted rope, devises two-stage and be crushed, first order boulder crusher is using big
1 low-speed running of boulder crusher of torque, the plastics strip being crushed within 300mm*50mm, then sub-elected with magnetic separation therein
After magnetic material, then it is sent in second level fine crusher 5 and is crushed again.Keep plastics twisted rope broken more suitable using two-stage is broken
Freely, more energy efficient.And the partial size of the light slag of plastics is smaller, and material dispersion, therefore need to only be directly entered crusher machine fine crushing and can reach
It is required that.
Material is dehydrated using continuous centrifugal dewaterer, dewatered material water ratio is lower than 15%, becomes moisture content
RDF very low, calorific value is higher and stable.
In the present embodiment, continuous centrifugal dewaterer is designed using the principle of eccentricity, using the master to run at high speed
Axis makes material dry the intracavitary centrifugal movement of progress, to achieve the effect that dehydration.It the advantage is that, dryer turns gallbladder and adopts
With full network type filtering element (cartridge) inner tube structure, it is more preferable to dry effect.Dryer is turned gallbladder and is refined using stainless steel plate, sturdy and durable；It gets rid of
Dry machine uses Triangular Belt's, is driven by a motor starting wheel, and to rated speed, smooth running is without friction for starting of walking unhurriedly.
In the present embodiment, the blast system includes the first blast system 6 and the second blast system 8, and the first wind, which is sent, 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 fine crushing
7.Second blast system 8 is arranged between continuous centrifugal dewaterer 7 and the feed bin 9, for the material after drying to be delivered to
The feed bin, the advantage is that, can also carry out preliminary hydro-extraction to the material after fine crushing and drying.
Material after dehydration is delivered to feed bin 9 by the second blast system 8.
In the present embodiment, the conveyer belt also includes the 4th conveyer belt 10；The bottom of feed bin 9 is provided with spiral discharging machine
Structure, the spiral discharging mechanism are used to for the material in feed bin 9 being delivered to the 4th conveyer belt 10, and the 4th conveyer belt 10 will be for that will expect
Material in storehouse 9 is delivered in revolution drying kiln 11.
It is understood that the waste plastics recovery system can also include sewage disposal system and exhaust treatment system；
The sewage disposal system is for handling the waste water that the waste plastics generates in the dehydration equipment；The exhaust treatment system
The flue gas generated for handling the pyrolysis oven.
It is understood that the waste water that waste-plastic dewatering to be processed generates can also be sent directly into existing sewage treatment dress
It sets, the advantage is that, be conducive to simplify waste plastics derivatived fuel preparation system.
Using this system, waste plastics to be processed is first prepared into that pure, calorific value is high, moisture content is low and stable derivative is fired
Then RDF pyrolysis is generated clean pyrolysis gas and pyrolytic carbon again by material, due to RDF be under anaerobic or anoxia condition in be heated
It decomposes, therefore reduces the generation of dioxin, can effectively check the generation and discharge of dioxin noxious material.Therefore secondary
Pollute it is small, it is safer to environment.
As described in Figure 2, the present invention also provides a kind of waste plastics derivatived fuel preparation method has been given, useless modeling as described above is utilized
Expect that fuel preparation system manufactures fuel comprising the steps of:
Step 1 utilizes broken unit broken worn-out plastics；It is more than setting value for waste plastics size, first with coarse crushing
Machine 1 is crushed, deposit storage hole 12；For waste plastics size within setting value, it is directly stored in storage hole 12；Then by the
Material in storage hole 12 is delivered to fine crusher 5 and is crushed again by two 3 bands of conveying；
Step 2 is taken off in the step 1 through the broken waste plastics of fine crusher 5 using continuous centrifugal dewaterer 7
Water；
Step 3 keeps in the waste plastics after dehydration in the step 2 to feed bin 9；
Step 4, by the 4th conveyer belt 10 by the waste plastics in the feed bin 9 be delivered to revolution drying kiln 11 in, into
Enter to turn round the advanced row indirect heating of waste plastics in drying kiln 11, then directly heats, finally obtain RDF.
It is that the RDF exists to the heat source of the advanced row indirect heating of plastics entered in revolution drying kiln 11 in the step 4
The high-temperature flue gas generated in subsequent pyrolytic process.
In the step 1, the boulder crusher 1 is for the object by waste plastics coarse crushing at size within 300mm × 50mm
Material, the fine crusher 5 are used for the particle fine crushing at size within 50mm of the material after coarse crushing.The ruler provided in the present embodiment
The very little full-size for referring to broken rear material.It is understood that the main root of size of boulder crusher 1 and 5 broken material of fine crusher
According to the ability of its own, particularly, fine crusher 5 is main to consider that revolution drying kiln 11 wants Feed size in broken material
It asks.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (10)
1. a kind of waste plastics derivatived fuel preparation system, characterized by comprising:
Broken unit, the broken unit includes boulder crusher (1) and fine crusher (5), for waste plastics to be crushed, formation fragment
Material；
Continuous centrifugal dewaterer (7), the continuous centrifugal dewaterer (7) are used to be dehydrated the broken material；
Feed bin (9), the feed bin (9) is for storing through the continuous centrifugal dewaterer (7) dewatered broken material；
It turns round drying kiln (11), the revolution drying kiln (11) includes interior heating chamber and material cavity, and the interior heating chamber setting exists
The inside of the material cavity, the interior heating chamber are used to be passed through gas and tentatively add indirectly to the material in the material cavity
Heat；The material cavity is directly heated for storing material and being fed forward material, and to material realization, obtains RDF；
Transportation system, the transportation system include a plurality of conveyer belt and multiple blast systems, the boulder crusher (1) and fine crusher
(5) by the conveying band connection, the fine crusher (5) is connect with continuous centrifugal dewaterer (7) by blast system, the company
Continuous centrifugal dehydrator (7) are connect with feed bin (9) by blast system, and the feed bin (9) passes through with the revolution drying kiln (11)
Convey band connection.
2. waste plastics derivatived fuel preparation system as described in claim 1, it is characterised in that: the waste plastics derivatived fuel system
Standby system also includes grab claw (2) and storage hole (12)；Storage hole (12) setting the boulder crusher (1) and fine crusher (5) it
Between, for storing the material formed after the boulder crusher (1) coarse crushing；Grab claw (2) setting is in the upper of the storage hole (12)
Side, the grab claw (2) are used to grab waste plastics to be processed the boulder crusher (1) and the storage are cheated to the object in (12)
Material is grabbed into the fine crusher (5).
3. waste plastics derivatived fuel preparation system as claimed in claim 2, it is characterised in that: the waste plastics derivatived fuel system
Standby system also includes hopper；The conveyer belt includes the second conveyer belt (3), and second conveyer belt (3) is used to cheat the storage
(12) material in is delivered to the fine crusher (5)；The hopper setting is cheated in second conveyer belt (3) close to the storage
(12) one end, the other end of fine crusher (5) setting in second conveyer belt (3).
4. waste plastics derivatived fuel preparation system as claimed in claim 3, it is characterised in that: the blast system includes first
Blast system (6) and the second blast system (8), the first blast system (6) setting is the fine crusher (5) and described continuous
Between centrifugal dehydrator (7), the continuous centrifugal dewaterer (7) are delivered to for the material after will be fine crushing；Second wind is sent
System (8) is arranged between the continuous centrifugal dewaterer (7) and the feed bin (9), for the material after drying to be delivered to
The feed bin.
5. waste plastics derivatived fuel preparation system as claimed in claim 4, it is characterised in that: the conveyer belt also includes the 4th
Conveyer belt (10)；The bottom of the feed bin (9) is provided with spiral discharging mechanism, and the spiral discharging mechanism is used for the feed bin
(9) material in is delivered to the 4th conveyer belt (10), and the 4th conveyer belt (10) is used for the object in the feed bin (9)
Material is delivered in the revolution drying kiln (11).
6. waste plastics derivatived fuel preparation system as claimed in claim 5, it is characterised in that: the grab claw (2) includes purlin
Frame, suspension track and material pawl；The truss fixed setting, the suspension track are arranged on the truss, the material pawl
It is arranged on the suspension track, and can be moved along the suspension track.
7. waste plastics derivatived fuel preparation system as claimed in claim 6, it is characterised in that: the suspension track is provided with two
A, two suspension parallel tracks are arranged, and are provided with a material pawl on each track.
8. a kind of waste plastics derivatived fuel preparation method utilizes the waste plastics preparation of fuel system as described in any one of claim 1 to 7
Fuel is made in controlling, which is characterized in that waste plastics derivatived fuel preparation method comprises the steps of:
Step 1 utilizes broken unit broken worn-out plastics；It is more than setting value for waste plastics size, first with boulder crusher
(1) it is crushed, deposit storage hole (12)；For waste plastics size within setting value, it is directly stored in storage hole (12)；Then lead to
It crosses the second conveying (3) band the material in storage hole (12) is delivered to fine crusher (5) and is crushed again；
Step 2 is taken off in the step 1 through fine crusher (5) broken waste plastics using continuous centrifugal dewaterer (7)
Water；
Step 3 keeps in the waste plastics after dehydration in the step 2 to feed bin (9)；
Waste plastics in the feed bin (9) is delivered in revolution drying kiln (11) by step 4 by the 4th conveyer belt (10), right
The advanced row indirect heating of waste plastics into revolution drying kiln (11), then directly heats, finally obtains RDF.
9. waste plastics derivatived fuel preparation method as claimed in claim 8, it is characterised in that: to entering back in the step 4
The heat source for turning the advanced row indirect heating of the plastics in drying kiln (11) is high temperature cigarette that the RDF is generated in subsequent pyrolytic process
Gas.
10. waste plastics derivatived fuel preparation method as claimed in claim 9, it is characterised in that: described thick in the step 1
Broken machine (1) is used for for the material by waste plastics coarse crushing at size within 300mm × 50mm, the fine crusher (5) by coarse crushing
The particle fine crushing at size within 50mm of material afterwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940024.4A CN106336926B (en) | 2016-10-25 | 2016-10-25 | A kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940024.4A CN106336926B (en) | 2016-10-25 | 2016-10-25 | A kind of waste plastics derivatived fuel preparation system and waste plastics derivatived fuel preparation method |
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| Publication Number | Publication Date |
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| CN106336926B true CN106336926B (en) | 2019-01-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN116182173A (en) * | 2023-03-10 | 2023-05-30 | 昆明理工大学 | Waste plastic combustion pretreatment device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005194483A (en) * | 2004-01-09 | 2005-07-21 | Morita Giken Kogyo Kk | Method for processing waste plastics into dust fuel, and dust-fuel processing plant |
| CN101612629A (en) * | 2009-07-06 | 2009-12-30 | 山西润禾环保有限公司 | A kind of city house refuse treatment method and device thereof |
| CN102671928B (en) * | 2012-05-07 | 2014-02-26 | 四川川润环保能源科技有限公司 | Method for sorting and comprehensively using urban mixed garbage |
| CN204220610U (en) * | 2014-09-30 | 2015-03-25 | 上海申嘉三和环保股份有限公司 | A kind of garbage derivatived fuel preparation system of low energy consumption |
| CN206173282U (en) * | 2016-10-25 | 2017-05-17 | 湖南万容科技股份有限公司 | Waste plastics fuel preparation system that derives |
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