CN106433725A - Negative-pressure cracking system and cracking method - Google Patents
Negative-pressure cracking system and cracking method Download PDFInfo
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- CN106433725A CN106433725A CN201611002197.8A CN201611002197A CN106433725A CN 106433725 A CN106433725 A CN 106433725A CN 201611002197 A CN201611002197 A CN 201611002197A CN 106433725 A CN106433725 A CN 106433725A
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- furnace
- pyrolysis furnace
- cracking
- molten salt
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- 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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a negative-pressure cracking system and a cracking method. The system comprises a conveying device, wherein the conveying device is sequentially connected with a crushing device, a washing device, a drying device, a feeding device and a cracking furnace; a gas-dreg separation device is further connected with a rectifying tower; a dreg material chamber is arranged below the gas-dreg separation device, and an upper part of the gas-dreg separation device is communicated with a gas collection pipe communicated with the rectifying tower; the bottom of the dreg material chamber is communicated with a magnetic separation machine; the feeding device comprises a vertical box body; the vertical box body is composed of a material collection box, a sealed conveying box and a blanking transferring box, which are communicated in sequence from top to bottom; the sealed conveying box is internally provided with a round cavity; a rotary shaft is arranged in the round cavity; a plurality of scraping plates are uniformly mounted on the rotary shaft; the rotary shaft is further connected with a driving device; one end of a second conveying device is arranged in the blanking transferring box and the other end of the second conveying device is arranged in the gas-dreg separation device. In the negative-pressure cracking system and the cracking method, the cracking rate of tire rubber grains is high and the recovery rate of cracked products is high; continuous production can be realized and the energy consumption is low.
Description
Technical field
The present invention relates to tire recycling technical field, more particularly, to a kind of cracking system of junked tire micelle.
Background technology
Plastics and rubber are two kinds of wide variety of synthetic macromolecular compounds, possess many superior functions.They
High consume the environmental pollution causing and be on the rise.How to process and utilize both spent high molecular materials in global model now
Universal concern is caused in enclosing.At present, the cracking apparatus of domestic many useless junked tires can not continuously produce, and high energy consumption is split
Solution rate is low, poor stability.
During existing tire pyrolysis produce, have tire pyrolysis link apply negative pressure with promote cracking reaction be more prone to into
Row, the utilization device such as introduced in prior art literature CN02110554A, CN201010183728A produces in pyrolysis furnace
Tiny structure, to realize cracking easily, preferably, more quickly, also has and realizes effectively conveying using negative pressure in material conveying,
As prior art literature CN201510486609A, but in prior art, do not make negative pressure technique intervention overall material conveying and
Cracking process, and prior art is only that individual plants achieve negative pressure, such setting, during material conveying, by
Inconsistent in each equipment pressure, can be unfavorable to the smooth circulation of material, or even material can be caused in the presence of pressure reduction to circulate not
Situations such as freely even drop, block, blocking occurs, and produces seriously bad consequence.Armed with negative pressure equipment, if simply
To pyrolysis furnace pumping, some waste heat energy etc., do not meet industrial economic principle.
Content of the invention
The first object of the present invention is the technical problem in the presence of solution prior art, thus providing a kind of cleavage rate
High, the lysate response rate is high, and can continuously produce, negative pressure cracking system that energy consumption is low.The cracking system of the present invention is multiple
Achieve negative pressure in concrete equipment, be not only pyrolysis furnace, and include multiple device such as breaker so that material transfer
Process is more smooth, also individually provides negative pressure to molten salt furnace simultaneously, to better control over the temperature of molten salt furnace, preferably for splitting
Solution stove heat supply, 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 the first object of the present invention, the technical solution adopted in the present invention is as follows：
A kind of negative pressure cracking system of the present invention, including the first conveyer device, described first conveyer device is sequentially connected
There are breaker, flusher, drying unit, feed arrangement, pyrolysis furnace, described breaker is also connected with feeding device, institute
State pyrolysis furnace to be also connected with gas-slag separation device, described gas-slag separation device also by after magnetic separator respectively with white carbon black tank,
Steel wire retracting device connects, and described gas-slag separation device is connected with rectifying column also by extractor fan, and described rectifying column is installed
There are gas tube, light oil pipe and oil pipe, described gas tube is also connected with pyrolysis furnace, described feed arrangement, pyrolysis furnace and described gas
Slag segregation apparatuss are arranged side by side, and are jointly equipped with same second in described feed arrangement, pyrolysis furnace gentle slag segregation apparatuss
Conveyer device, and described conveyer device stretches in gas-slag separation device through after described pyrolysis furnace, described gas-slag separation device
Lower section is provided with slag charge chamber, and its top is communicated with the gas-collecting pipe connecting with described rectifying column, described slag charge bottom of chamber portion and institute
State magnetic separator connection, Material collecting box for harvesting, sealing conveying box and blanking that described feed arrangement includes from top to bottom being sequentially communicated turn
Fortune case, is provided with circular cavity in described sealing conveying box, is provided with rotating shaft in the middle part of described circular cavity, in described rotating shaft uniformly
Multiple scraper plates are installed, described rotating shaft is also connected with driving means, described second conveyer device one end is arranged on described blanking and turns
In fortune case, its other end is arranged in described gas-slag separation device.
Described extractor fan is connected with the first conveyer device, and keeps the broken dress being sequentially connected in the first conveyer device
Put, flusher, drying unit, feed arrangement, pyrolysis furnace are all had connector to connect, and be connected with molten salt furnace, to ensure brokenly
All possesses uniform and equal tiny structure in crushing device, flusher, drying unit, feed arrangement, pyrolysis furnace, molten salt furnace.Institute
State extractor fan and be also equipped with pressure-regulating device, described pressure-regulating device is unified to be adjusted breaker, flusher, dries dress
Put, the tiny structure pressure value in feed arrangement, pyrolysis furnace, control described tiny structure in the range of 0.01-0.1MPa.Described fused salt
Negative pressure in stove individually can be adjusted by described pressure-regulating device, realizes tiny structure or pressure-fired, fast in order to molten salt furnace
Speed heats up to reach cracking temperature, is easier keeping temperature after reaching cracking temperature.
Further, each described scraper plate both sides is mounted on sealing joint strip, and the end of described scraper plate is also equipped with rubber
Rubber roll, described oil pipe is connected with sealing conveying box also by heavy oil return pipe, the sealing conveying box of described circular cavity both sides
Side wall with the heavy oil mouth that multiple and described heavy oil return pipe connects is offered on circumferential wall.
Further, described heavy oil return pipe is provided with heavy oil refueling device.
Further, described breaker, flusher, drying unit, feed arrangement be all incubated and with Exterior capsule
Mode connects.
Further, it is also equipped with the liquid dish of a circle taper in described gas-slag separation device, above described liquid dish
Connect with gasification kettle also by adapter on gas-slag separation device side wall, described gasification kettle is also connected with molten salt furnace, described gasification
Kettle is also connected with rectifying column, white carbon black tank respectively.
Further, each described scraper plate end is also equipped with section along scraper plate rotation direction side is scraping of triangle
Knife.
In order to realize the second object of the present invention, the technical solution adopted in the present invention is as follows：
A kind of cleavage method according to above-mentioned negative pressure cracking system, comprises the following steps：
S1, waste tire is loaded feeding device, open described extractor fan, adjust dress using the pressure in extractor fan
Put and adjust breaker, flusher, drying unit, feed arrangement, pyrolysis furnace, the tiny structure in molten salt furnace in 0.01-
Between 0.1MPa and be consistent；
S2, damaged tire pass sequentially through breaker pulverizing, flusher cleans, drying unit is delivered to after drying and gathers materials
Case；
S3, tire micelle fall into the hole between two neighboring scraper plate, simultaneously drive device to continue drive shaft rotation, fortune
Send tire micelle to sealing below conveying box, tire micelle falls into the second conveyer device；
Tire micelle is transported by pyrolysis furnace by S4, the second conveyer device；
S5, fused salt stove heat pyrolysis furnace, control the negative pressure in molten salt furnace so that molten salt furnace is quick by pressure-regulating device
Intensification reaches cracking and requires, and will enter the tire micelle cracking in pyrolysis furnace, and by the oil-gas transportation after decomposing to rectifying column, pass through
Material residue is fallen into magnetic separator by gas-slag separation device；
Material residue choosing is divided into white carbon black and metal by S6, magnetic separator, and metal takes in steel wire retracting device, and white carbon black takes in white carbon black
Tank；Meanwhile, gas enters rectifying column and is separated into cracking gas, light oil, heavy oil, and wherein cracking gas is passed through molten salt furnace burning, light oil and
Heavy oil is collected respectively.
Further, the liquid dish in gas-slag separation device is collected the liquid of liquefaction and is passed through in gasification kettle, and gasification kettle is subject to
To fused salt stove heat, it is passed through rectifying column by after liquid gasification, the white carbon black not gasified is passed through in white carbon black tank.
Further, the water after water-cooling apparatus heat exchange passes through heat-exchange device heated natural gas, natural after heating
Gas is passed through heating fused salt in molten salt furnace again.
Compared with prior art, it is an advantage of the current invention that：Junked tire is loaded feeding device by workman, and feeding device will
Junked tire transports to breaker, and it is micelle that breaker crushes tire, and then micelle rinses dust, punching by flusher
Wash into later micelle and enter drying unit drying, tire micelle is delivered to Material collecting box for harvesting, driving means by the first conveyer device
Drive shaft rotates, and rotating shaft drives scraper plate rotation, and the tire micelle in Material collecting box for harvesting falls into the space between adjacent scraper plate, Ran Housui
Below the mobile conveying box to sealing of scraper plate rotation driven wheel tire micelle, fall on the second conveyer device, the second conveyer device will
Rubber micelle is delivered to pyrolysis furnace and is cracked.Micelle decomposes micelle in pyrolysis furnace and becomes micro-molecular gas, light oil and heavy oil gas
Change, the metal in tire micelle and the white carbon black solid after decomposition are transported device and continue on to gas-slag separation device, and gas slag divides
Metal in device and white carbon black can enter magnetic separator, and magnetic separator can separate metal and white carbon black, then by gold
Belong to be transported to steel wire retracting device, white carbon black is transported in white carbon black tank, gas enter rectifying column, rectification 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 this device, tire micelle cleavage rate is high, the lysate response rate is high, and can continuously produce, energy consumption low.The negative pressure of the present invention
Presentation mode provides negative pressure for multiple equipment, is unexistent in prior art, wherein for the multiple tools in the first transmitting device
Body device provides negative pressure it is ensured that effectiveness in material transferring, it is to avoid the blocking of material, situations such as block, shift smooth,
Also provide the means better controling over temperature for molten salt furnace using unnecessary negative pressure so that cracking effectively.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the negative pressure cracking system of the present invention；
Fig. 2 is the partial enlarged view at I in Fig. 1；
Fig. 3 is the method flow diagram of the negative pressure cleavage method of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clearly defining.
Refering to shown in Fig. 1, Fig. 2, a kind of negative pressure cracking system that the present invention provides, including the first conveyer device 1, first is defeated
Send and breaker 2, flusher 3, drying unit 4, feed arrangement 21, pyrolysis furnace 5, breaker 2 are connected with turn on device 1
Also it is connected with feeding device 6, pyrolysis furnace 5 is also connected with gas-slag separation device 12, gas-slag separation device 12 separates also by magnetic separation
It is connected with white carbon black tank 14, steel wire retracting device 15 respectively after machine 13, gas-slag separation device 12 is also by extractor fan 29 and rectification
Tower 16 connects, and rectifying column 16 is provided with gas tube 17, light oil pipe 18 and oil pipe 19, and gas tube 17 is also connected with pyrolysis furnace 5,
Feed arrangement, the gentle slag segregation apparatuss 12 of pyrolysis furnace 5 are arranged side by side, and feed arrangement 21, the gentle slag segregation apparatuss 12 of pyrolysis furnace 5
In be jointly equipped with same second conveyer device 31, and the second conveyer device 31 pass through pyrolysis furnace 5 after stretch to gas-slag separation
In device 12, when the second conveyer device 31 is in inputting micelle to pyrolysis furnace 5, micelle decomposes, and the second conveyer device 31 continues defeated
Send, until gas-slag separation device 12, the slag charge after decomposition falls in gas-slag separation device 12, facilitates transport tire micelle and slag
Material.It is provided with slag charge chamber 121, its top is communicated with the gas-collecting pipe connecting with rectifying column 16 below gas-slag separation device 12
20, slag charge chamber 121 bottom is connected with magnetic separator 13, Material collecting box for harvesting 211 that feed arrangement 21 is from top to bottom sequentially communicated, sealing
Conveying box 212 and blanking transport box 213, are provided with circular cavity in sealing conveying box 212, are provided with the middle part of circular cavity 219
Rotating shaft 214, rotating shaft 214 is uniformly provided with multiple scraper plates 215, and rotating shaft 214 is also connected with driving means (not shown), the
Two conveyer device 31 one end is arranged in blanking transport box 213, and its other end is arranged in gas-slag separation device 12, by setting
This feed arrangement 21 can reduce the air-flow entering pyrolysis furnace 5 with tire micelle to greatest extent, can be to defeated in pyrolysis furnace 5
Send and negative pressure during micelle, can also be kept.
Described extractor fan 29 is connected with the first conveyer device 1, and keeps be sequentially connected in the first conveyer device 1 to break
Crushing device 2, flusher 3, drying unit 4, feed arrangement 21, pyrolysis furnace 5 all have connector to connect, and are connected with molten salt furnace 8
Connect, to ensure all to possess in breaker 2, flusher 3, drying unit 4, feed arrangement 21, pyrolysis furnace 5, molten salt furnace 8 uniformly
And equal tiny structure.Described extractor fan 29 is also equipped with pressure-regulating device 291, and described pressure-regulating device 291 is unified to be adjusted
Tiny structure pressure value in section breaker 2, flusher 3, drying unit 4, feed arrangement 21, pyrolysis furnace 5, controls described micro-
Negative pressure is in the range of 0.01-0.1MPa.Negative pressure in described molten salt furnace 8 individually can be adjusted by described pressure-regulating device 291,
It is rapidly heated in order to molten salt furnace 8 to reach cracking temperature.
When using, junked tire is loaded feeding device 6 by workman, and feeding device 6 transports junked tire to broken dress
Put 2, it is micelle that breaker 2 crushes tire, then micelle rinses dust by flusher 3, rinses and completes later micelle
Enter drying unit 4 to dry, tire micelle is delivered to Material collecting box for harvesting 211, driving means drive shaft 214 by the first conveyer device 1
Rotation, rotating shaft 214 drives 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
Rotarily drive below the mobile conveying box 212 to sealing of tire micelle with scraper plate 215 afterwards, fall on the second conveyer device 31, the
Rubber micelle is delivered to pyrolysis furnace 5 and is cracked by two conveyer devices 31.Micelle decomposes micelle in pyrolysis furnace 5 and becomes small molecule gas
White carbon black solid after body, light oil and heavy oil gasification, the metal in tire micelle and decomposition is continued on to by the first conveying arrangement 1
Gas-slag separation device 12, the metal in gas-slag separation device 12 and white carbon black can enter magnetic separator 13, magnetic separator 13
Metal and white carbon black can be separated, then metal is transported to steel wire retracting device 15, white carbon black is transported in white carbon black tank 14, gas
Body enters rectifying column 16, and rectification goes out gasoline, diesel oil and heavy oil and collects respectively, and lighter fuel gas enters in molten salt furnace 8 and fires
Burn, provide heat for molten salt furnace 8.
In the present embodiment, pyrolysis furnace 5 is connected with molten salt furnace 8 also by entering salt pipe 7, molten salt furnace 8 pass through excessive salt pipe 9 with
Drying unit 4 connects, and molten salt furnace 8 is provided with combustion gas inlet pipe 10, and drying unit 4 is connected with molten salt furnace 8 also by returning salt pipe 11,
The fused salt of molten salt furnace 8 heats pyrolysis furnace 5 first, subsequently into drying unit 4, provides heat for drying unit 4, effectively reduces
Transfer pipeline, the temperature that decreases in thermal losses, and drying unit 4 is typically low than the temperature in pyrolysis furnace 5, leads to
Cross fused salt and heat pyrolysis furnace 5 first, then dry tire micelle by the waste heat of fused salt, tire micelle one side can be dried
Dry, on the other hand can be preheated, the tire micelle after preheating enters pyrolysis furnace 5 and is easier fast decoupled.By this device, take turns
Tire micelle cleavage rate is high, the lysate response rate is high, and can continuously produce, energy consumption low.Preferably, each scraper plate 215 end edge
Scraper plate 215 rotation direction side is also equipped with the scraper 216 that section is triangle, for conveniently scraping rubber micelle, and when long
Between use after, be also convenient for change.
It is also equipped with the liquid dish 25 of a circle taper, the gas-slag separation device of liquid dish 25 top in gas-slag separation device 12
On 12 side walls also by adapter 26 with gasification kettle 27 connect, gasification kettle 27 be also connected with molten salt furnace 8, gasification kettle 27 also respectively with
Rectifying column 16, white carbon black tank 14 connect.Because oil gas easily condenses into oil in entrance gas-slag separation device 12 when touching side wall
Liquid, later falls into slag charge chamber 121.Can collect the fluid of condensation by liquid dish 25, the fluid of condensation flow into gasification kettle 27 with
Afterwards, it is heated again and forms oil gas, oil gas is passed through rectifying column 16 again, and the white carbon black being bonded on fluid is assembled, and is delivered to white carbon black
In tank 14.
In a preferred embodiment of the invention, each described scraper plate 215 both sides is mounted on sealing joint strip 217, and described
The end of scraper plate 215 is also equipped with rubber rollers 218, and described oil pipe 19 is also by heavy oil return pipe 32 and sealing conveying box 212
Connect, the sealing conveying box 212 side wall of described circular cavity 219 both sides and circumferential wall offer multiple and described heavy oil return pipe
The heavy oil mouth (not shown) of 32 connections.The sealing means of this sealing conveying box 212 are, by the heavy oil refluxing portion after cracking
To sealing conveying box 212, then it flow to the inner wall surface of sealing conveying box 212, the then weight of inner wall surface by heavy oil mouth
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 in motor process, by can play the effect shakeouing heavy oil fat, and the heavy oil being bonded on micelle and instill blanking transport box
Heavy oil fat in 213 can reenter cracking in pyrolysis furnace 5, also plays the effect improving lysis efficiency.Preferably, heavy oil
Heavy oil refueling device 33 is provided with return pipe 32.This heavy oil refueling device can be with lubricant grease refueling device of the prior art
Structure is identical, and here does not make deposited stating.In order to prevent micelle dry heat scatter and disappear, described breaker 2, flusher 3,
Drying unit 4, feed arrangement 21 are all incubated and are connected with the mode of Exterior capsule.The micelle entering pyrolysis furnace 5 just directly can
Cracking, pyrolysis furnace 5 need not first heat micelle.
In another preferred embodiment of the present invention, light oil pipe 18 and oil pipe 19 are all connected with water-cooling apparatus 28, water
Chiller 28 is also connected with flusher 3.Because condensed light oil and heavy oil are intended to cool, it is possible to use water cooling
Device 28 is light oil and heavy oil cooling, and the hot water after heat exchange can be used for rinsing micelle simultaneously, utilizes while rinsing micelle
Hot water preheats to micelle.The outlet pipe of water-cooling apparatus 28 is also connected 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 for again rinsing micelle.Side
Just to the gas-preheating in combustion gas inlet pipe 10.Gas heat exchange system is arranged on above rectifying column, and liquid heat-exchange device is arranged
Below rectifying column.
Refering to shown in Fig. 3, a kind of cleavage method according to above-mentioned negative pressure cracking system, comprise the following steps：
S1, by waste tire load feeding device 6, open described extractor fan 29, using in extractor fan pressure adjust
Micro- negative in regulating device 291 regulation breaker 2, flusher 3, drying unit 4, feed arrangement 21, pyrolysis furnace 5, molten salt furnace 8
It is pressed between 0.01-0.1MPa and be consistent；
S2, damaged tire pass sequentially through that breaker 2 is pulverized, flusher 3 cleans, drying unit 4 is delivered to collection after drying
Hopper；
S3, tire micelle fall into the hole between two neighboring scraper plate 215, simultaneously drive device to continue drive shaft 214
Rotation, transports tire micelle to sealing below conveying box 212, tire micelle falls into the second conveyer device 31；
Tire micelle is transported by pyrolysis furnace 5 by S4, the second conveyer device 31；
S5, molten salt furnace 8 heating pyrolysis furnace, control the negative pressure in molten salt furnace 8 so that fused salt by pressure-regulating device 291
Stove 8 is rapidly heated to reach to crack and requires, and will enter the tire micelle cracking in pyrolysis furnace 5, by the extremely essence of the oil-gas transportation after decomposing
Evaporate tower 16, material residue is fallen into by magnetic separator 13 by gas-slag separation device；
Material residue choosing is divided into white carbon black and metal by S6, magnetic separator 13, and metal takes in steel wire retracting device, and white carbon black takes in charcoal
Black tank；Meanwhile, gas enters rectifying column 16 and is separated into cracking gas, light oil, heavy oil, and wherein cracking gas is passed through molten salt furnace 8 and burns, gently
Oil and heavy oil are collected respectively.
Tiny structure in aforementioned S1 step is specifically between 0.02-0.05MPa.
With it, tire micelle is delivered to Material collecting box for harvesting 211, driving means drive shaft 214 by the first conveyer device 1
Rotation, rotating shaft 214 drives 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
Rotarily drive below the mobile conveying box 212 to sealing of tire micelle with scraper plate 215 afterwards, fall on the second conveyer device 31, the
Rubber micelle is delivered to pyrolysis furnace 5 and is cracked by two conveyer devices 31, this feed arrangement 21 can reduce to greatest extent with
Tire micelle enter pyrolysis furnace 5 air-flow, can to pyrolysis furnace 5 in convey micelle when can also keep negative pressure.Tire micelle splits
Solution rate is high, the lysate response rate is high, and can continuously produce, energy consumption low.
Preferably, the liquid dish 25 in gas-slag separation device 12 is collected the liquid of liquefaction and is passed through in gasification kettle 27, gasification
Kettle 27 is heated by molten salt furnace 8, will be passed through rectifying column 16, the white carbon black not gasified is passed through in white carbon black tank 14, passes through after liquid gasification
Collect liquid to heat again, effectively have collected the liquid of condensation, improve collection efficiency.Water after water-cooling apparatus 28 heat exchange
By heat-exchange device 29 heated natural gas, the natural gas after heating is passed through heating fused salt in molten salt furnace 8 again.Improve thermal effect
Rate.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
The change or replacement expected without creative work, all should be included within the scope of the present invention.Therefore, the present invention
Protection domain should be defined by the protection domain that claims are limited.
Claims (9)
1. a kind of negative pressure cracking system it is characterised in that：Including the first conveyer device, described first conveyer device is sequentially connected
There are breaker, flusher, drying unit, feed arrangement, pyrolysis furnace, described breaker is also connected with feeding device, institute
State pyrolysis furnace to be also connected with gas-slag separation device, described gas-slag separation device also by after magnetic separator respectively with white carbon black tank,
Steel wire retracting device connects, and described gas-slag separation device is connected with rectifying column also by extractor fan, and described rectifying column is installed
There are gas tube, light oil pipe and oil pipe, described gas tube is also connected with pyrolysis furnace, described feed arrangement, pyrolysis furnace and described gas
Slag segregation apparatuss are arranged side by side, and are jointly equipped with same second in described feed arrangement, pyrolysis furnace gentle slag segregation apparatuss
Conveyer device, and described conveyer device stretches in gas-slag separation device through after described pyrolysis furnace, described gas-slag separation device
Lower section is provided with slag charge chamber, and its top is communicated with the gas-collecting pipe connecting with described rectifying column, described slag charge bottom of chamber portion and institute
State magnetic separator connection, Material collecting box for harvesting, sealing conveying box and blanking that described feed arrangement includes from top to bottom being sequentially communicated turn
Fortune case, is provided with circular cavity in described sealing conveying box, is provided with rotating shaft in the middle part of described circular cavity, in described rotating shaft uniformly
Multiple scraper plates are installed, described rotating shaft is also connected with driving means, described second conveyer device one end is arranged on described blanking and turns
In fortune case, its other end is arranged in described gas-slag separation device；
Described extractor fan is connected with the first conveyer device, and keep the first conveyer device in be sequentially connected breaker,
Flusher, drying unit, feed arrangement, pyrolysis furnace all have connector to connect, and described extractor fan is connected with molten salt furnace
Connect, uniform and equal to ensure all to possess in breaker, flusher, drying unit, feed arrangement, pyrolysis furnace, molten salt furnace
Tiny structure.Described extractor fan is also equipped with pressure-regulating device, and described pressure-regulating device is unified to adjust breaker, flushing
Tiny structure pressure value in device, drying unit, feed arrangement, pyrolysis furnace.
2. negative pressure cracking system according to claim 1 it is characterised in that：Each described scraper plate both sides is mounted on sealing
Adhesive tape, and the end of described scraper plate is also equipped with rubber rollers, described oil pipe is also by heavy oil return pipe with sealing conveying box even
Connect, the sealing conveying box side wall of the described circular cavity both sides and weight that multiple and described heavy oil return pipe connects is offered on circumferential wall
Hydraulic fluid port, the negative pressure in described molten salt furnace individually can be adjusted by described pressure-regulating device.
3. negative pressure cracking system according to claim 2 it is characterised in that：Heavy oil is provided with described heavy oil return pipe refuel
Device.
4. negative pressure cracking system according to claim 3 it is characterised in that：Described breaker, flusher, drying dress
Put, feed arrangement is all incubated and is connected with the mode of Exterior capsule.
5. negative pressure cracking system according to claim 4 it is characterised in that：It is also equipped with one in described gas-slag separation device
The liquid dish of circle taper, the gas-slag separation device side wall above described liquid dish is connected with gasification kettle also by adapter, institute
State gasification kettle to be also connected with molten salt furnace, described gasification kettle is also connected with rectifying column, white carbon black tank respectively.
6. negative pressure cracking system according to claim 5 it is characterised in that：Each described scraper plate end is along scraper plate rotation side
It is also equipped with the scraper that section is triangle to side.
7. a kind of cleavage method of the negative pressure cracking system of any one according to claim 3-6 is it is characterised in that include
Following steps：
S1, waste tire is loaded feeding device, open described extractor fan, adjusted using the pressure-regulating device in extractor fan
Section breaker, flusher, drying unit, feed arrangement, pyrolysis furnace, the tiny structure in molten salt furnace 0.01-0.1MPa it
Between and be consistent；
S2, damaged tire pass sequentially through breaker pulverizing, flusher cleans, drying unit is delivered to Material collecting box for harvesting after drying；
S3, tire micelle fall into the hole between two neighboring scraper plate, simultaneously drive device to continue drive shaft rotation, transporting wheel
To sealing below conveying box, tire micelle falls into the second conveyer device to tire micelle；
Tire micelle is transported by pyrolysis furnace by S4, the second conveyer device；
S5, fused salt stove heat pyrolysis furnace, control the negative pressure in molten salt furnace so that molten salt furnace is rapidly heated by pressure-regulating device
Reach cracking to require, the tire micelle cracking in pyrolysis furnace will be entered, by the oil-gas transportation after decomposing to rectifying column, by gas slag
Material residue is fallen into magnetic separator by segregation apparatuss；
Material residue choosing is divided into white carbon black and metal by S6, magnetic separator, and metal takes in steel wire retracting device, and white carbon black takes in white carbon black tank；
Meanwhile, gas enters rectifying column and is separated into cracking gas, light oil, heavy oil, and wherein cracking gas is passed through molten salt furnace burning, light oil and heavy oil
Collect respectively.
8. cleavage method according to claim 7 it is characterised in that：Liquid dish in gas-slag separation device collects liquefaction
Liquid is simultaneously passed through in gasification kettle, and gasification kettle is subject to fused salt stove heat, is passed through rectifying column by after liquid gasification, and the white carbon black not gasified leads to
Enter in white carbon black tank.
9. cleavage method according to claim 8 it is characterised in that：Water after water-cooling apparatus heat exchange passes through heat exchange
Device heated natural gas, the natural gas after heating is passed through heating fused salt in molten salt furnace again.
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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 |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
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|---|---|
| CN106433725B (en) | 2019-05-03 |
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