CN106433725B - A kind of negative pressure cracking system and cleavage method - Google Patents
A kind of negative pressure cracking system and cleavage method Download PDFInfo
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- CN106433725B CN106433725B CN201611002197.8A CN201611002197A CN106433725B CN 106433725 B CN106433725 B CN 106433725B CN 201611002197 A CN201611002197 A CN 201611002197A CN 106433725 B CN106433725 B CN 106433725B
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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Abstract
The invention discloses a kind of negative pressure cracking system and cleavage methods, the system includes conveying device, it is connected with crushing device in conveying device in turn, flusher, drying unit, feeding device, pyrolysis furnace, gas-slag separation device is also connect with rectifying column, slag charge chamber is provided with below gas-slag separation device, upper part is communicated with the gas-collecting pipe being connected to rectifying column, slag charge bottom of chamber portion is connected to magnetic separator, feeding device includes vertical cabinet, the Material collecting box for harvesting that vertical cabinet is from top to bottom sequentially communicated, seal conveying box and blanking transport box, circular cavity is provided in sealing conveying box, shaft is provided in the middle part of circular cavity, multiple scraper plates are uniformly installed in shaft, shaft is also connect with driving device, second conveying device one end is arranged in blanking transport box, its other end is arranged in gas-slag separation device.In the present invention, tire micelle cleavage rate is high, the lysate rate of recovery is high, and can continuous production, low energy consumption.
Description
Technical field
The present invention relates to tire recycling technical field more particularly to a kind of cracking systems of waste tire micelle.
Background technique
Plastics and rubber are two kinds of widely applied artificial synthesized high-molecular compounds, have many superior functions.They
High consumption caused by environmental pollution be on the rise.How to handle and utilize both spent high molecular materials in current global model
Universal concern is caused in enclosing.Currently, the cracking apparatus of domestic many useless waste tires is unable to continuous production, energy consumption is high, splits
Solution rate is low, and safety is poor.
In the production of existing tire pyrolysis, have apply negative pressure in tire pyrolysis link with promote cracking reaction be more easier into
Capable, as that introduces in existing technical literature CN02110554A, CN201010183728A is generated in pyrolysis furnace using device
Tiny structure, to be easy, preferably, realize cracking more quickly, also have and to be realized in material conveying using negative pressure and effectively convey,
Such as existing technical literature CN201510486609A, but in the prior art, do not make negative pressure technique intervene whole material conveying and
Cracking process, and the prior art is only that individual plants realize negative pressure, such setting, during material conveying, by
It is inconsistent in each equipment pressure, can smoothly circulation to material it is unfavorable, or even material circulation can be caused under the action of pressure difference not
Smooth situations such as even falling, block, blocking, generates serious undesirable consequence.Provided that negative pressure equipment, if only
It is evacuated to pyrolysis furnace, some waste thermal energy etc. do not meet industrial economic principle.
Summary of the invention
The technical issues of the first object of the present invention is in the presence of solving the prior art, to provide a kind of cleavage rate
High, lysate rate of recovery height, and being capable of continuous production, the negative pressure cracking system that low energy consumption.Cracking system of the invention is multiple
Negative pressure, not only pyrolysis furnace are realized in specific equipment, and multiple devices such as including crushing device, so that material transfer
Process is more smooth, also individually provides negative pressure to molten salt furnace simultaneously, preferably to control the temperature of molten salt furnace, preferably to split
Furnace heat supply is solved, efficiently to crack.
The second object of the present invention is to provide a kind of cleavage method according to above-mentioned negative pressure cracking system.
In order to realize that the first object of the present invention, the technical solution adopted in the present invention are as follows:
A kind of negative pressure cracking system of the invention, including the first conveying device are sequentially connected in first conveying device
There are crushing device, flusher, drying unit, feeding device, pyrolysis furnace, the crushing device is also connect with feeding device, institute
Pyrolysis furnace is stated also to connect with gas-slag separation device, the gas-slag separation device also pass through after magnetic separator respectively with carbon black tank,
The connection of steel wire recyclable device, the gas-slag separation device also pass through extractor fan and connect with rectifying column, install on the rectifying column
There are flue, light oil pipe and oil pipe, the flue is also connected to pyrolysis furnace, the feeding device, pyrolysis furnace and the gas
Slag separator is arranged side by side, and is equipped with same second jointly in the gentle slag separator of the feeding device, pyrolysis furnace
Conveying device, and the conveying device stretches in gas-slag separation device after the pyrolysis furnace, the gas-slag separation device
Lower section is provided with slag charge chamber, and upper part is communicated with the gas-collecting pipe being connected to the rectifying column, slag charge bottom of chamber portion and institute
Magnetic separator connection is stated, the feeding device includes that the Material collecting box for harvesting being from top to bottom sequentially communicated, sealing conveying box and blanking turn
Case is transported, circular cavity is provided in the sealing conveying box, is provided with shaft in the middle part of the circular cavity, it is uniform in the shaft
Multiple scraper plates are installed, the shaft is also connect with driving device, and the setting of second conveying device one end turns in the blanking
It transports in case, the other end is arranged in the gas-slag separation device.
The extractor fan is connected with the first conveying device, and keeps sequentially connected broken dress in the first conveying device
It sets, flusher, drying unit, feeding device, pyrolysis furnace have connector connection, and are connected with molten salt furnace, broken to guarantee
Crushing device, drying unit, feeding device, pyrolysis furnace, all has uniform and equal tiny structure in molten salt furnace at flusher.Institute
It states extractor fan and is also equipped with pressure-regulating device, the pressure-regulating device uniformly adjusts crushing device, flusher, drying dress
It sets, the tiny structure pressure value in feeding device, pyrolysis furnace, controls the tiny structure within the scope of 0.01-0.1MPa.The fused salt
Negative pressure in furnace can individually be adjusted by the pressure-regulating device, tiny structure or micro-positive pressure be realized, in order to which molten salt furnace is fast
Speed heating is easier to maintain temperature after reaching cracking temperature to reach cracking temperature.
Further, each scraper plate two sides are mounted on sealing joint strip, and the end of the scraper plate is also equipped with rubber
Rubber roller, the oil pipe also pass through heavy oil return pipe and connect with sealing conveying box, the sealing conveying box of the circular cavity two sides
Multiple heavy oil mouths being connected to the heavy oil return pipe are offered on side wall and circumferential wall.
Further, heavy oil refueling device is installed on the heavy oil return pipe.
Further, the crushing device, flusher, drying unit, feeding device keep the temperature and with Exterior capsule
Mode is connected to.
Further, the liquid dish of a circle taper is also equipped in the gas-slag separation device, above the liquid dish
It is also connected to by adapter with gasification kettle on gas-slag separation device side wall, the gasification kettle is also connect with molten salt furnace, the gasification
Kettle is also connected to rectifying column, carbon black tank respectively.
Further, it is scraping for triangle that each scraper plate end, which is also equipped with section along scraper plate rotation direction side,
Knife.
In order to realize that the second object of the present invention, the technical solution adopted in the present invention are as follows:
A kind of cleavage method according to above-mentioned negative pressure cracking system, comprising the following steps:
S1, waste tire is packed into feeding device, opens the extractor fan, adjust dress using the pressure in extractor fan
It sets and adjusts crushing device, flusher, drying unit, feeding device, pyrolysis furnace, the tiny structure in molten salt furnace in 0.01-
Between 0.1MPa and it is consistent；
S2, damaged tire pass sequentially through crushing device crushing, flusher cleans, are delivered to and gather materials after drying unit drying
Case；
S3, tire micelle fall into the hole between two neighboring scraper plate, while driving device continues drive shaft rotation, fortune
It send below tire micelle to sealing conveying box, tire micelle falls into the second conveying device；
Tire micelle is transported by pyrolysis furnace by S4, the second conveying device；
S5, fused salt stove heating pyrolysis furnace control the negative pressure in molten salt furnace by pressure-regulating device, so that molten salt furnace is quick
Heating reaches cracking and requires, and will enter the tire micelle in pyrolysis furnace and cracks, the oil-gas transportation after decomposition to rectifying column passes through
Material residue is fallen into magnetic separator by gas-slag separation device；
Material residue choosing is divided into carbon black and metal by S6, magnetic separator, and metal takes in steel wire recyclable device, and carbon black takes in carbon black
Tank；Meanwhile gas enters rectifying column and is separated into cracking gas, light oil, heavy oil, wherein cracking gas be passed through molten salt furnace burning, light oil and
Heavy oil is collected respectively.
Further, liquid dish in gas-slag separation device is collected liquefied liquid and is passed through in gasification kettle, gasification kettle by
To fused salt stove heating, rectifying column will be passed through after liquid gasification, unvaporized carbon black is passed through in carbon black tank.
Further, the water after water-cooling apparatus heat exchange is natural after heating by heat-exchange device heated natural gas
Gas is passed through in molten salt furnace heats fused salt again.
Compared with the prior art, the advantages of the present invention are as follows: waste tire is packed into feeding device by worker, and feeding device will
Waste tire is transported to crushing device, and it is micelle that crushing device, which is crushed tire, and then micelle rinses dust, punching by flusher
It washes into later micelle and enters drying unit drying, tire micelle is delivered to Material collecting box for harvesting, driving device by the first conveying device
Drive shaft rotation, shaft drive scraper plate rotation, and the tire micelle in Material collecting box for harvesting falls into the space between adjacent scraper plate, then with
Scraper plate rotation drive tire micelle be moved to sealing conveying box below, fall into the second conveying device, the second conveying device will
Rubber micelle is delivered to pyrolysis furnace and is cracked.Micelle decomposes micelle into micro-molecular gas, light oil and heavy oil gas in pyrolysis furnace
Change, the metal in tire micelle and the carbon black solid after decomposition continue on to gas-slag separation device, gas slag point by transport device
From in device metal and carbon black be able to enter magnetic separator, magnetic separator can separate metal and carbon black, then will be golden
Category is transported to steel wire recyclable device, and carbon black is transported in carbon black tank, and gas enters rectifying column, rectifying go out gasoline, diesel oil and
Heavy oil is collected respectively again, and lighter fuel gas is entered in molten salt furnace by combustion gas inlet pipe to burn, and provides heat for molten salt furnace.
By the device, tire micelle cleavage rate is high, the lysate rate of recovery is high, and can continuous production, low energy consumption.Negative pressure of the invention
Presentation mode provides negative pressure for multiple equipment, is unexistent in the prior art, wherein for multiple tools in the first transmitting device
Body device provides negative pressure, ensure that the validity in material transferring, and the blocking of the material avoided is blocked, shifts situations such as unsmooth,
The means for preferably controlling temperature are also provided for molten salt furnace using extra negative pressure, so that cracking is effectively.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of negative pressure cracking system of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at I；
Fig. 3 is the method flow diagram of negative pressure cleavage method of the invention.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to fig. 1, shown in Fig. 2, a kind of negative pressure cracking system provided by the invention, including the first conveying device 1, first is defeated
It send and is connected with crushing device 2, flusher 3, drying unit 4, feeding device 21, pyrolysis furnace 5, crushing device 2 on device 1 in turn
It is also connect with feeding device 6, pyrolysis furnace 5 is also connect with gas-slag separation device 12, and gas-slag separation device 12 is also separated by magnetic separation
It is connect respectively with carbon black tank 14, steel wire recyclable device 15 after machine 13, gas-slag separation device 12 also passes through extractor fan 29 and rectifying
Tower 16 connects, and is equipped with flue 17, light oil pipe 18 and oil pipe 19 on rectifying column 16, and flue 17 is also connected to pyrolysis furnace 5,
Feeding device, the gentle slag separator 12 of pyrolysis furnace 5 are arranged side by side, and feeding device 21, the gentle slag separator 12 of pyrolysis furnace 5
In be equipped with same second conveying device 31 jointly, and the second conveying device 31 pass through pyrolysis furnace 5 after stretch to gas-slag separation
In device 12, the second conveying device 31 micelle when micelle to be input in pyrolysis furnace 5 is decomposed, and the second conveying device 31 continues defeated
It send, until gas-slag separation device 12, the slag charge after decomposition are fallen into gas-slag separation device 12, convenient transportation tire micelle and slag
Material.Slag charge chamber 121 is provided with below gas-slag separation device 12, upper part is communicated with the gas-collecting pipe being connected to rectifying column 16
20,121 bottom of slag charge chamber is connected to magnetic separator 13, Material collecting box for harvesting 211 that feeding device 21 is from top to bottom sequentially communicated, sealing
Conveying box 212 and blanking transport box 213 seal in conveying box 212 and are provided with circular cavity, be provided in the middle part of circular cavity 219
Shaft 214 is uniformly equipped with multiple scraper plates 215 in shaft 214, and shaft 214 is also connect with driving device (not shown), and
Two conveying devices, 31 one end is arranged in blanking transport box 213, and the other end is arranged in gas-slag separation device 12, passes through setting
The feeding device 21 can reduce the air-flow for entering pyrolysis furnace 5 with tire micelle to greatest extent, can into pyrolysis furnace 5 it is defeated
Negative pressure is also able to maintain when sending micelle.
The extractor fan is connected with the first conveying device 1, and keeps sequentially connected broken in the first conveying device 1
Device 2, flusher 3, drying unit 4, feeding device 21, pyrolysis furnace 5 have connector connection, and are connected with molten salt furnace 8,
With guarantee crushing device 2, flusher 3, drying unit 4, feeding device 21, pyrolysis furnace 5, all have in molten salt furnace 8 uniformly and
Equal tiny structure.The extractor fan is also equipped with pressure-regulating device, and the pressure-regulating device uniformly adjusts crushing device
2, flusher 3, drying unit 4, feeding device 21, the tiny structure pressure value in pyrolysis furnace 5, control the tiny structure and exist
Within the scope of 0.01-0.1MPa.Negative pressure in the molten salt furnace 8 can individually be adjusted by the pressure-regulating device, in order to molten
Salt furnace 8 is rapidly heated to reach cracking temperature.
When in use, waste tire is packed into feeding device 6 by worker, and feeding device 6 transports waste tire to broken dress
2 are set, it is micelle that crushing device 2, which is crushed tire, and then micelle rinses dust by flusher 3, rinses and completes later micelle
It is dried into drying unit 4, tire micelle is delivered to Material collecting box for harvesting 211, driving device drive shaft 214 by the first conveying device 1
Rotation, shaft 214 drive scraper plate 215 to rotate, and the tire micelle in Material collecting box for harvesting 211 falls into the space between adjacent scraper plate 215, so
It drives tire micelle to be moved to 212 lower section of sealing conveying box as scraper plate 215 rotates afterwards, falls into the second conveying device 31, the
Rubber micelle is delivered to pyrolysis furnace 5 and cracked by two conveying devices 31.Micelle decomposes micelle into small molecule gas in pyrolysis furnace 5
Body, light oil and heavy oil gasification, the metal in tire micelle and the carbon black solid after decomposition are continued on to by the first transport device 1
Gas-slag separation device 12, metal and carbon black in gas-slag separation device 12 are able to enter magnetic separator 13, magnetic separator 13
Metal and carbon black can be separated, metal is then transported to steel wire recyclable device 15, carbon black is transported in carbon black tank 14, gas
Body enters rectifying column 16, and rectifying goes out gasoline, diesel oil and heavy oil and collects respectively again, and lighter fuel gas, which enters in molten salt furnace 8, to be fired
It burns, provides heat for molten salt furnace 8.
In the present embodiment, pyrolysis furnace 5 is into salt pipe 7 with molten salt furnace 8 also by connecting, molten salt furnace 8 by excessive salt pipe 9 with
Drying unit 4 connects, and combustion gas inlet pipe 10 is equipped on molten salt furnace 8, and drying unit 4 is also connect by returning salt pipe 11 with molten salt furnace 8,
The fused salt of molten salt furnace 8 heats pyrolysis furnace 5 first, subsequently into drying unit 4, provides heat for drying unit 4, effective to reduce
Transfer pipeline, reduces thermal losses, and the temperature in drying unit 4 is generally lower than the temperature in pyrolysis furnace 5, leads to
It crosses fused salt and heats pyrolysis furnace 5 first, tire micelle is then dried by the waste heat of fused salt, on the one hand tire micelle can be dried
It is dry, it on the other hand can be preheated, the tire micelle after preheating enters pyrolysis furnace 5 and is easier fast decoupled.Pass through the device, wheel
Tire micelle cleavage rate is high, the lysate rate of recovery is high, and can continuous production, low energy consumption.Preferably, each 215 end edge of scraper plate
215 rotation direction side of scraper plate is also equipped with the scraper 216 that section is triangle, for conveniently scraping rubber micelle, and it is long when
Between after use, be also convenient for changing.
The liquid dish 25 of a circle taper, the gas-slag separation device of 25 top of liquid dish are also equipped in gas-slag separation device 12
On 12 side walls also by adapter 26 with gasification kettle 27 be connected to, gasify kettle 27 also connect with molten salt furnace 8, gasify kettle 27 also respectively with
Rectifying column 16, carbon black tank 14 are connected to.Because oil gas is easy to condense into oil when touching side wall into gas-slag separation device 12
Liquid later falls into slag charge chamber 121.Can collect the oil liquid of condensation by liquid dish 25, the oil liquid of condensation flow into gasification kettle 27 with
Afterwards, it is heated to form oil gas again, oil gas is passed through rectifying column 16 again, and is bonded in the aggregation of the carbon black on oil liquid, is delivered to carbon black
In tank 14.
In a preferred embodiment of the invention, each 215 two sides of the scraper plate are mounted on sealing joint strip 217, and described
The end of scraper plate 215 is also equipped with rubber rollers 218, and the oil pipe 19 also passes through heavy oil return pipe 32 and sealing conveying box 212
It connects, the multiple and heavy oil return pipe is offered on 212 side wall of sealing conveying box and circumferential wall of 219 two sides of circular cavity
The heavy oil mouth (not shown) of 32 connections.The sealing means of the sealing conveying box 212 are, by the heavy oil refluxing portion after cracking
Into sealing conveying box 212, the inner wall surface of sealing conveying box 212 is then flow to by heavy oil mouth, then the weight of inner wall surface
Oil is contacted with rubber rollers 218, sealing joint strip 217, forms stop-leak compound sealing off gap.Rubber rollers 218 and sealing joint strip simultaneously
217 during the motion, shakeouts heavy oil rouge by that can play the role of, and is bonded in the heavy oil on micelle and instills blanking transport box
Heavy oil rouge in 213, which can reenter in pyrolysis furnace 5, to be cracked, and the effect for improving lysis efficiency is also played.Preferably, heavy oil
Heavy oil refueling device 33 is installed on return pipe 32.The heavy oil refueling device can be with lubricant grease refueling device in the prior art
Structure is identical, does not make to apply herein and state.In order to prevent micelle dry heat loss, the crushing device 2, flusher 3,
Drying unit 4, feeding device 21 keep the temperature and are connected to the mode of Exterior capsule.Micelle into pyrolysis furnace 5 just directly can
Cracking, pyrolysis furnace 5 is without first heating micelle.
In another preferred embodiment of the invention, light oil pipe 18 and oil pipe 19 are connect with water-cooling apparatus 28, water
Cooling device 28 is also connected to flusher 3.Since condensed light oil and heavy oil are intended to cool, it is cooling to can use water
Device 28 is that light oil and heavy oil are cooling, while the hot water after heat exchange can be used for rinsing micelle, utilize while rinsing micelle
Hot water preheats micelle.The outlet pipe of water-cooling apparatus 28 is also connect with heat-exchange device 29, and heat-exchange device 29 is installed
On combustion gas inlet pipe 10.Hot water after heat exchange can combustion gas first in preheated fuel gas inlet pipe 10, be then used to rinse micelle again.Side
Just to the gas-preheating in combustion gas inlet pipe 10.Gas heat exchange system is arranged above rectifying column, the setting of liquid heat-exchange device
Below rectifying column.
As shown in fig.3, a kind of cleavage method according to above-mentioned negative pressure cracking system, comprising the following steps:
S1, waste tire is packed into feeding device 6, opens the extractor fan, adjusted using the pressure in extractor fan
Device 291 adjusts crushing device 2, flusher 3, drying unit 4, feeding device 21, pyrolysis furnace 5, the tiny structure in molten salt furnace 8
Between 0.01-0.1MPa and it is consistent；
S2, damaged tire are delivered to collection after passing sequentially through the crushing of crushing device 2, the cleaning of flusher 3, the drying of drying unit 4
Hopper；
S3, tire micelle fall into the hole between two neighboring scraper plate 215, while driving device continues drive shaft 214
Rotation transports tire micelle to 212 lower section of sealing conveying box, and tire micelle falls into the second conveying device 31；
Tire micelle is transported by pyrolysis furnace 5 by S4, the second conveying device 31；
S5, molten salt furnace 8 heat pyrolysis furnace, the negative pressure in molten salt furnace 8 are controlled by pressure-regulating device, so that molten salt furnace 8
It is rapidly heated and reaches cracking requirement, the tire micelle in pyrolysis furnace 5 will be entered and cracked, by the oil-gas transportation after decomposition to rectifying column
16, material residue is fallen by magnetic separator 13 by gas-slag separation device；
Material residue choosing is divided into carbon black and metal by S6, magnetic separator 13, and metal takes in steel wire recyclable device, and carbon black takes in charcoal
Black tank；Meanwhile gas enters rectifying column 16 and is separated into cracking gas, light oil, heavy oil, wherein cracking gas is passed through the burning of molten salt furnace 8, gently
Oil and heavy oil are collected respectively.
Tiny structure in aforementioned S1 step is specifically between 0.02-0.05MPa.
In this way, tire micelle is delivered to Material collecting box for harvesting 211, driving device drive shaft 214 by the first conveying device 1
Rotation, shaft 214 drive scraper plate 215 to rotate, and the tire micelle in Material collecting box for harvesting 211 falls into the space between adjacent scraper plate 215, so
It drives tire micelle to be moved to 212 lower section of sealing conveying box as scraper plate 215 rotates afterwards, falls into the second conveying device 31, the
Rubber micelle is delivered to pyrolysis furnace 5 and cracked by two conveying devices 31, the feeding device 21 can reduce to greatest extent with
Tire micelle enters the air-flow of pyrolysis furnace 5, is also able to maintain negative pressure when that can convey micelle into pyrolysis furnace 5.Tire micelle is split
Solution rate is high, the lysate rate of recovery is high, and can continuous production, low energy consumption.
Preferably, the liquid dish 25 in gas-slag separation device 12 is collected liquefied liquid and is passed through in gasification kettle 27, gasification
Kettle 27 is heated by molten salt furnace 8, rectifying column 16 will be passed through after liquid gasification, unvaporized carbon black is passed through in carbon black tank 14, passes through
It collects liquid to reheat, effectively has collected the liquid of condensation, improve collection efficiency.Water after 28 heat exchange of water-cooling apparatus
By 29 heated natural gas of heat-exchange device, the natural gas after heating, which is passed through again in molten salt furnace 8, heats fused salt.Improve thermal effect
Rate.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of negative pressure cracking system, it is characterised in that: including the first conveying device, be sequentially connected in first conveying device
There are crushing device, flusher, drying unit, feeding device, pyrolysis furnace, the crushing device is also connect with feeding device, institute
Pyrolysis furnace is stated also to connect with gas-slag separation device, the gas-slag separation device also pass through after magnetic separator respectively with carbon black tank,
The connection of steel wire recyclable device, the gas-slag separation device also pass through extractor fan and connect with rectifying column, install on the rectifying column
There are flue, light oil pipe and oil pipe, the flue is also connected to pyrolysis furnace, the feeding device, pyrolysis furnace and the gas
Slag separator is arranged side by side, and is equipped with same second jointly in the gentle slag separator of the feeding device, pyrolysis furnace
Conveying device, and second conveying device stretches in gas-slag separation device after the pyrolysis furnace, the gas-slag separation
It is provided with slag charge chamber below device, upper part is communicated with the gas-collecting pipe being connected to the rectifying column, slag charge bottom of chamber portion
It is connected to the magnetic separator, the feeding device includes the Material collecting box for harvesting being from top to bottom sequentially communicated, sealing conveying box and falls
Expect transport box, be provided with circular cavity in the sealing conveying box, the circular cavity middle part is provided with shaft, in the shaft
Multiple scraper plates are uniformly installed, the shaft is also connect with driving device, and the setting of second conveying device one end is fallen described
Expect in transport box, the other end is arranged in the gas-slag separation device；The extractor fan is connected with the first conveying device,
And sequentially connected crushing device, flusher, drying unit, feeding device, pyrolysis furnace in the first conveying device is kept to have
Connector connection, and the extractor fan is connected with molten salt furnace, with guarantee crushing device, flusher, drying unit, into
Material device, pyrolysis furnace all have uniform and equal tiny structure in molten salt furnace.The extractor fan is also equipped with pressure and adjusts dress
It sets, the pressure-regulating device uniformly adjusts crushing device, flusher, drying unit, feeding device, micro- negative in pyrolysis furnace
Pressure pressure value.
2. negative pressure cracking system according to claim 1, it is characterised in that: each scraper plate two sides are mounted on sealing
Adhesive tape, and the end of the scraper plate is also equipped with rubber rollers, the oil pipe also passes through heavy oil return pipe and sealing conveying box connects
It connects, multiple weights being connected to the heavy oil return pipe is offered on the sealing conveying box side wall and circumferential wall of the circular cavity two sides
Hydraulic fluid port, the negative pressure in the molten salt furnace can individually be adjusted by the pressure-regulating device.
3. negative pressure cracking system according to claim 2, it is characterised in that: be equipped with heavy oil oiling on the heavy oil return pipe
Device.
4. negative pressure cracking system according to claim 3, it is characterised in that: the crushing device, flusher, drying dress
It sets, feeding device keeps the temperature and is connected to the mode of Exterior capsule.
5. negative pressure cracking system according to claim 4, it is characterised in that: be also equipped with one in the gas-slag separation device
The liquid dish of taper is enclosed, is also connected to by adapter with gasification kettle on the gas-slag separation device side wall above the liquid dish, institute
It states gasification kettle also to connect with molten salt furnace, the gasification kettle is also connected to rectifying column, carbon black tank respectively.
6. negative pressure cracking system according to claim 5, it is characterised in that: each scraper plate end is along scraper plate rotation side
The scraper that section is triangle is also equipped with to side.
7. a kind of cleavage method, according to negative pressure cracking system described in claim 3-6 any one to implement, feature exists
In, comprising the following steps:
S1, waste tire is packed into feeding device, opens the extractor fan, utilize the pressure-regulating device tune in extractor fan
Save crushing device, flusher, drying unit, feeding device, pyrolysis furnace, the tiny structure in molten salt furnace 0.01-0.1MPa it
Between and be consistent；
S2, damaged tire are delivered to Material collecting box for harvesting after passing sequentially through crushing device crushing, flusher cleaning, drying unit drying；
S3, tire micelle fall into the hole between two neighboring scraper plate, while driving device continues drive shaft rotation, transporting wheel
Below tire micelle to sealing conveying box, tire micelle falls into the second conveying device；
Tire micelle is transported by pyrolysis furnace by S4, the second conveying device；
S5, fused salt stove heating pyrolysis furnace control the negative pressure in molten salt furnace by pressure-regulating device, so that molten salt furnace is rapidly heated
Reach cracking to require, the tire micelle in pyrolysis furnace will be entered and cracked, by the oil-gas transportation after decomposition to rectifying column, pass through gas slag
Material residue is fallen into magnetic separator by separator；
Material residue choosing is divided into carbon black and metal by S6, magnetic separator, and metal takes in steel wire recyclable device, and carbon black takes in carbon black tank；
Meanwhile gas enters rectifying column and is separated into cracking gas, light oil, heavy oil, wherein cracking gas is passed through molten salt furnace burning, light oil and heavy oil
It collects respectively.
8. cleavage method according to claim 7, it is characterised in that: the liquid dish in gas-slag separation device is collected liquefied
Liquid is simultaneously passed through in gasification kettle, and gasification kettle will be passed through rectifying column by fused salt stove heating after liquid gasification, unvaporized carbon black is logical
Enter in carbon black tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002197.8A CN106433725B (en) | 2016-11-13 | 2016-11-13 | A kind of negative pressure cracking system and cleavage method |
Applications Claiming Priority (1)
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| US12031097B2 (en) | 2022-10-12 | 2024-07-09 | Ecolab Usa Inc. | Antifouling agents for plastic-derived synthetic feedstocks |
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| CN110256876A (en) * | 2019-06-19 | 2019-09-20 | 焦作市和兴化学工业有限公司 | A kind of pyrolysis furnace and cracking system |
| CN111484758A (en) * | 2020-04-15 | 2020-08-04 | 安徽省克林泰迩再生资源科技有限公司 | Method for preparing carbon black by adopting molten salt to thermally treat waste tires |
| CA3188369A1 (en) | 2020-09-14 | 2022-03-17 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
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