CN107955419A - A kind of method that waste tire prepares industrial carbon black - Google Patents
A kind of method that waste tire prepares industrial carbon black Download PDFInfo
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- CN107955419A CN107955419A CN201711242292.XA CN201711242292A CN107955419A CN 107955419 A CN107955419 A CN 107955419A CN 201711242292 A CN201711242292 A CN 201711242292A CN 107955419 A CN107955419 A CN 107955419A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/482—Preparation from used rubber products, e.g. tyres
Abstract
The invention discloses a kind of method that waste tire prepares industrial carbon black, comprise the following steps：Step 1：Waste tire is sent into pyrolysis kettle and is pyrolyzed, obtains gas mixture, burner hearth exhaust gas, coarse carbon black and steel wire；Step 2：Oil-gas Separation step, burner hearth exhaust gas polishing steps, coarse carbon black purification step and steel wire processing step are carried out respectively.The present invention uses the above method, the utility value of waste tire can be lifted, the realization classification such as the exhaust gas to waste tire pyrolysis generation, oil gas is handled again at the same time, not only exhaust gas is set to reach discharge standard, prevent from polluting environment, but also realize the classification recycling of oil gas, greatly reduce the wasting of resources.
Description
Technical field
The invention belongs to waste tire processing technology field, and in particular to a kind of waste tire prepares the side of industrial carbon black
Method.
Background technology
The first engine of consumption of resident is pulled as automobile is increasingly becoming, China is faced with serious caused by waste tire
Problem of environmental pollution.According to relevant report, China becomes the 3rd automobile after the U.S., Japan and produces the country for surpassing ten million per year,
As qualified " automobile superpower ".However, together arrive with auto age, there is the waste tire that pile up like a mountain.
In the country of intense industrialization, since the understanding of the pollution problem to modern society improves rapidly, the ideology of people also by
Gradually be intended to advocate naturally, so, for waste and used rubber tyre also become people words focus.
In line with waste is carried out innoxious, minimizing, recycling treatment principle, at present in the world to the place of waste tire
Reason Utilizing question is increasingly taken seriously.The processing and its recycling of waste tire, are the problems that the world attractes attention.With automobile
The problem of industry develops rapidly, waste tire environmental pollution is on the rise, and has caused people to pay close attention to, and waste tire is difficult life
Thing is degraded, and can select to destroy by fire or long-term air storage, and the flowing of air and water can be hindered by being embedded in underground, therefore be not suitable for filling out reason
Processing；Pile up like a mountain on the ground, takes a large amount of soils, and mosquito and germ can be also grown because of ponding, so as to cause environment
Serious pollution, while be the initiation source of fire again.Therefore, how to handle and utilize waste tire, it has also become be badly in need of the ring solved
Border problem.
The content of the invention
It is an object of the invention to provide a kind of method that waste tire prepares industrial carbon black, existing waste tire is solved
Deal with improperly, cause the wasting of resources, the problem of environment is by pollution.
The present invention to achieve the above object, is realized using following technical scheme：
A kind of method that waste tire prepares industrial carbon black, comprises the following steps：
Step 1：Waste tire is sent into pyrolysis kettle and is pyrolyzed, obtains gas mixture, burner hearth exhaust gas, coarse carbon black and steel
Silk；
Step 2：Oil-gas Separation step, burner hearth exhaust gas polishing steps, coarse carbon black purification step and steel wire processing step are carried out respectively
Suddenly；
The Oil-gas Separation step is used to carry out separating treatment to gas mixture, is not coagulated combustible gas and light fuel；
The burner hearth exhaust gas polishing steps are used to discharge after burner hearth exhaust-gas treatment to discharge standard；
The coarse carbon black purification step is used to carry out purification processes to coarse carbon black, obtains finished industrial carbon black；
The steel wire processing step is used to take out steel wire from pyrolysis kettle, and processing of packing.
Further, it is divided into three-level as optimal technical scheme, pyrolysis of the waste tire in kettle is pyrolyzed：The first order
A length of 3 ~ 5 hours during pyrolysis, the temperature being pyrolyzed in kettle are gradually increased to 200 DEG C from room temperature；Second level pyrolysis duration is 4 ~ 6 small
When, the temperature being pyrolyzed in kettle is gradually increased to 350 DEG C from 200 DEG C；A length of 3 ~ 5 hours when the third level is pyrolyzed, the temperature being pyrolyzed in kettle
Degree is gradually increased to 450 DEG C from 350 DEG C, and pressure during pyrolysis at different levels is 10 ~ 15Kpa.
Further, following sub-step is included as optimal technical scheme, the Oil-gas Separation step：
Sub-step 2-1-1：Precipitation separation is carried out to gas mixture, obtains heavy oil gas, light petroleum gas and tar class colloid
Object, obtained heavy oil gas and tar class colloid object return to be continued to be pyrolyzed in pyrolysis kettle, and light petroleum gas continues in next step
Reason；
Sub-step 2-1-2：Cooling treatment is carried out to light petroleum gas；
Sub-step 2-1-3：Oil-gas Separation processing is carried out to light petroleum gas after cooling, obtains reduced fuel oil and hydrocarbon compound
Gas, is collected reduced fuel oil；
Sub-step 2-1-4：Water seal processing is carried out to hydrocarbon compound gas；
Sub-step 2-1-5：To water seal handle after hydrocarbon compound gas carry out desulfurization process, obtain light fuel and coagulate can
Combustion gas, a part is stored in light fuel, and another part is sent to pyrolysis kettle combustion heat supplying, in not solidifying combustible gas a part into
Row storage, another part are sent to pyrolysis kettle combustion heat supplying.
Further, as optimal technical scheme, the cooling treatment described in sub-step 2-1-2 is at tubular type spraying cooling
Reason, the interior light petroleum gas for flowing of pipe, outer pipe is shower water.
Further, following sub-step is included as optimal technical scheme, the burner hearth exhaust gas polishing steps：
Sub-step 2-2-1：Three-level spray process is carried out to burner hearth exhaust gas；
Sub-step 2-2-2：Dust removal process is carried out to the exhaust gas after spray process；
Sub-step 2-2-3：Gas-water separation processing is carried out to the exhaust gas after dedusting, by the moisture removal in exhaust gas；
Sub-step 2-2-4：Complete the exhaust gas after gas-water separation and carry out uv catalytic reactions, by the organic exhaust gas Partial digestion in exhaust gas
For low molecular compound；
Sub-step 2-2-5：Gas after uv catalytic reactions is expelled directly out.
Further, it is as optimal technical scheme, the detailed process of the sub-step 2-2-1：
Sub-step 2-2-1-1：Burner hearth exhaust gas is introduced into heat exchanger to be cooled down in advance, completes first order spray process；
Sub-step 2-2-1-2：Spray washing is carried out to the burner hearth exhaust gas after completing pre- cooling added with the shower water of medicament, completes the
Two level spray process；
Sub-step 2-2-1-3：The burner hearth exhaust gas for completing second level spray process is sprayed again added with the shower water of medicament
Washing, completes third level spray process.
Further, following sub-step is included as optimal technical scheme, the coarse carbon black purification step：
Sub-step 2-3-1：Coarse carbon black is cracked with water under conditions of 450 DEG C ~ 750 DEG C, by the oil in coarse carbon black and
Lipid material is got rid of；
Sub-step 2-3-2：Coarse carbon black after cracking carries out magnetic separation, and the metal impurities in coarse carbon black are filtered out；
Sub-step 2-3-3：Coarse carbon black is ground, obtains the finished industrial charcoal for meeting the Particle size requirements of respective standard carbon black
It is black.
Further, as optimal technical scheme, the water in the sub-step 2-3-1 is high arc temperature high pressure hydrone.
Further, as optimal technical scheme, material collection step, the specific mistake of the material collection step are further included
Cheng Wei：First the sidewall of waste tire is cut off one by one, then latter tire is put into previous tire successively stack until
It can not be put into, the tire most stacked at last is sent to pretreatment point.
Compared with prior art, the present invention haing the following advantages and beneficial effect：
（1）The present invention turns waste into wealth waste tire, has both obtained and has been worth higher finished industrial carbon black, has really improved waste and old
The utility value of tire, while the exhaust gas to waste tire pyrolysis generation, oil gas etc. realize classification processing again, not only make exhaust gas
Discharge standard is reached, has prevented from polluting environment, and also achieved the classification recycling of oil gas and recycle, greatly
Reduce the wasting of resources, be truly realized energy conservation and environmental protection.
（2）The present invention by the way of the sidewall of tire is cut off, solves well when waste tire is collected
Waste tire is in transportational process the problem of occupied space, and in the case of equal transport space, the present invention can make the useless of transport
Old tire is multiplied, and mitigates transport power significantly, while save cost of transportation.
Brief description of the drawings
Fig. 1 is the process flow chart of the present invention；
The waste tire that Fig. 2 is the present invention stacks mode structure diagram.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment：
As shown in Figure 1, the method that a kind of waste tire described in the present embodiment prepares industrial carbon black, comprises the following steps：
Step 1：Waste tire is sent into pyrolysis kettle and is pyrolyzed, obtains gas mixture, burner hearth exhaust gas, coarse carbon black and steel
Silk；
Mainly light petroleum gas, heavy oil gas and part tar class colloid plastid are included in above-mentioned gas mixture；And burner hearth
The temperature that exhaust gas comes out from pyrolysis kettle is 120 ~ 300 DEG C, mainly there is CO, CO in exhaust gas2, HC, NOX, water vapour etc..
Step 2：Carry out respectively at Oil-gas Separation step, burner hearth exhaust gas polishing steps, coarse carbon black purification step and steel wire
Step is managed, it is necessary to which explanation, each step mentioned herein have no point of sequencing；
Oil-gas Separation step is used to carry out separating treatment to gas mixture, is not coagulated combustible gas and light fuel；
Burner hearth exhaust gas polishing steps are used to discharge after burner hearth exhaust-gas treatment to discharge standard；
Coarse carbon black purification step is used to carry out purification processes to coarse carbon black, obtains finished industrial carbon black；
Steel wire processing step is used to take out steel wire from pyrolysis kettle, and processing of packing.
In order to obtain preferably pyrolysis efficiency, it is ensured that waste tire pyrolysis is abundant, and the present invention has carried out correlation to pyrolysis and ground
Study carefully, and pyrolysis of the waste tire in kettle is pyrolyzed is divided into three-level：Since different tires is there may be the difference of material, and then
So that the optimum temperature needed for tire pyrolysis is different, for this reason, the present invention uses the heating means of segmented, pyrolysis temperature is from room temperature
450 DEG C are risen to always, and a length of 3 ~ 5 hours when the first order is pyrolyzed, the temperature being pyrolyzed in kettle is gradually increased to 200 DEG C from room temperature；The
Two level is pyrolyzed 4 ~ 6 hours of duration, and the temperature being pyrolyzed in kettle is gradually increased to 350 DEG C from 200 DEG C；A length of 3 ~ 5 when the third level is pyrolyzed
A hour, the temperature being pyrolyzed in kettle are gradually increased to 450 DEG C from 350 DEG C, and pressure during pyrolysis at different levels is 10 ~ 15Kpa, based on this
The design of sample, the present invention disclosure satisfy that the pyrolysis needs of all tire, so that arbitrary tire can obtain preferably heat
Efficiency is solved, tire pyrolysis is more abundant, and obtained coarse carbon black is more.Preferably, a length of 4 hours when the first order is pyrolyzed, the second level
It is pyrolyzed 5 hours of duration, a length of 4 hours when the third level is pyrolyzed.
The present embodiment realizes Oil-gas Separation using following methods, comprises the following steps that：
Sub-step 2-1-1：Precipitation separation is carried out to gas mixture, respectively obtains heavy oil gas, light petroleum gas and tar class
Colloid plastid, and obtained heavy oil gas and tar class colloid plastid are back in pyrolysis kettle and continue to be pyrolyzed, and lightweight
Oil gas enters next step；
Sub-step 2-1-2：Cooling treatment is carried out to light petroleum gas, cooling treatment here can be tubular type spraying cooling, also may be used
To be the cooling of pipeline immersion, the box cooling of refrigeration can also be, also or other can realize gas-cooled mode；If
Be the light petroleum gas of flowing in pipe if tubular type spraying cooling, it is shower water that pipe is outer, this step by cooling down to light petroleum gas,
Gas density can be increased, reduce security risk；
Sub-step 2-1-3：After the precipitation separation of step 2-1-1, heavy oil gas may be also remained in light petroleum gas, because
This, after being cooled down to light petroleum gas, carries out Oil-gas Separation processing, obtains reduced fuel oil and hydrocarbon compound gas, heavy is fired
Oil is collected, and remaining hydrocarbon compound gas enters next step；
Sub-step 2-1-4：Water seal processing is carried out to hydrocarbon compound gas, for buffer gas pressure and equilibrated ph value, specifically
It can use and enter hydrocarbon compound gas in the liquid tank equipped with alkaline solution from water seal pot bottom, allow hydrocarbon compound gas
Reacted with alkaline solution, to reach the sour gas removed in hydrocarbon compound gas, the effect of equilibrated ph value；
Sub-step 2-1-5：Hydrocarbon compound gas after handling water seal carries out desulfurization process, due to the oil of sub-step 2-1-3
Qi leel is from rear, still some light petroleum gas remains in hydrocarbon compound gas, and therefore, by desulphurization reaction, one removes
Sulfide impurities, two have obtained light fuel and do not coagulate combustible gas, and a part is stored in light fuel, another part
Send to pyrolysis kettle combustion heat supplying, do not coagulate a part in combustible gas and stored, another part is sent to pyrolysis kettle combustion heat supplying；This
In, hydrocarbon compound gas is passed through in reaction kettle, with the desulfurizing agent in reaction kettle desulphurization reaction occurs for hydrocarbon compound gas,
Sulfide in hydrocarbon compound gas is removed, without adjusting the temperature and pressure of reaction kettle, with general desulphurization reaction kettle
Temperature is consistent with pressure, it is only necessary to which desulfurizing agent is added and replaced in timing.The not solidifying combustible gas obtained in this step mainly by
C5Following hydrocarbons and hydrogen, methane composition, additionally containing a small amount of CO, CO2、H2S, NO, and light fuel is mainly
Macromolecule hydrocarbon-type oil.
Above-mentioned Oil-gas Separation step realize the categorised collection to gas mixture, including reduced fuel oil, light fuel with
And combustible gas is not coagulated, the utilization rate of gas mixture is improved to greatest extent.
In the following, the present embodiment illustrates the detailed process of burner hearth exhaust gas polishing steps, following sub-step is specifically included：
Sub-step 2-2-1：The burner hearth exhaust gas come out from pyrolysis kettle mainly contains CO, CO2, HC, NOX, water vapour etc., exhaust gas temperature
Probably between 120 ~ 300 DEG C, three-level spray process is carried out to burner hearth exhaust gas, first order spray process is mainly completed to cool down in advance,
Specifically burner hearth exhaust gas is passed into heat exchanger；Then second, third grade of spray process is with the shower water added with medicament
A spray washing, secondary spraying washing are carried out to completing the burner hearth exhaust gas after cooling down in advance, passes through a spray washing, secondary spray
Elution is washed, and the part flue dust in exhaust gas is got rid of, meanwhile, the medicament added in shower water can be lime water or alkalescence
Solution, for removing the sour gas in removing exhaust gas；
Sub-step 2-2-2：Dust removal process is carried out to the exhaust gas after spray process, the dirt shape thing contained in exhaust gas is got rid of；
Sub-step 2-2-3：Gas-water separation processing is carried out to the exhaust gas after dedusting, by the moisture removal in exhaust gas；
Sub-step 2-2-4：Uv catalytic reactions are carried out to the exhaust gas after completion gas-water separation, the organic exhaust gas part in exhaust gas is dropped
Solve as low molecular compound, specifically, under the action of uv catalytic reactions, by ammonia that may be present, trimethylamine, sulphur in exhaust gas
The molecular chain structure degraded for changing the organic gas with foreign flavor of VOC classes such as hydrogen, methyl mercaptan, carbon disulfide and styrene, benzene is transformed into low point
Sub- compound, such as CO2、H20 etc., achieve the purpose that non-pollution discharge；
Sub-step 2-2-5：Gas after uv catalytic reactions is expelled directly out.
It is CO directly by the pernicious gas processing in burner hearth exhaust gas by above-mentioned exhaust gas polishing steps2、H20 etc. is free of contamination
Gas, realizes non-pollution discharge, has been truly realized environmentally friendly.
It is understood that since the burner hearth exhaust gas temperature of the present embodiment is probably between 120 ~ 300 DEG C, can be into
Row heat exchange further improves the utilization rate of burner hearth exhaust gas.
The present embodiment realizes that coarse carbon black purifies using following methods, specifically includes following sub-step：
Sub-step 2-3-1：Coarse carbon black is cracked with water under conditions of 450 DEG C ~ 750 DEG C, by the oil in coarse carbon black and
Lipid material is got rid of, and obtains more pure coarse carbon black, and water here is preferably high arc temperature high pressure hydrone, specifically logical
Cross electrion and produce electric arc, then become hydroxyl ion with superheated water molecular ionization, then reacted with coarse carbon black, remove coarse carbon black
In oil and lipid material, whole cracking reaction belongs to anaerobic cracking reaction, will not discharge flue gas；
Sub-step 2-3-2：Coarse carbon black filters out metal impurities therein by magnetic separation, and metal impurities here are mainly tire
Small steel wire left after pyrolysis etc., after removing metal impurities, it is ensured that coarse carbon black will not damage milling apparatus in grinding, and extension is ground
Grind the service life of equipment；
Sub-step 2-3-3：Coarse carbon black is ground, obtains the finished industrial charcoal for meeting the Particle size requirements of respective standard carbon black
It is black.
Above-mentioned coarse carbon black purification step, realizes coarse carbon black by the low-quality lifting to high-quality, and can be according to client's
Coarse carbon black, is ground into the carbon black for meeting respective standard Particle size requirements by demand, original low-quality carbon black price per ton 200 ~
Between 300 yuan, and find no sale, present quality carbon black average price greatly improves coarse carbon black at more than 3000 yuan per ton
Added value.
In addition, as shown in Fig. 2, in order to solve the problems, such as waste tire occupied space in transportational process, transporting on an equal basis
In the case of space, the waste tire of transport is multiplied, mitigate transport power, save cost of transportation, the present embodiment is to waste and old wheel
Tire is anticipated, and detailed process is：First the sidewall of waste tire is cut off one by one, before then latter tire is put into successively
Carry out stacking in one tire until can not be put into, that is to say, that multiple tires are stacked by way of inner sleeve one by one, in this way,
It is formerly only available the space for putting a tire, it now is possible to multiple tires are put, and the sidewall cut off can't take how many space,
Therefore tire being stacked relative to traditional tire placed side by side or directly, the present invention substantially increases the use of transport space
Efficiency, reduces cost of transportation.
It is understood that before waste tire is sent into pyrolysis kettle by the present embodiment, necessary pretreatment can be done, such as clearly
The silt washed on tire, greasy dirt and rubble in the tread etc. may be blocked, to avoid the influence to late-stage products, subtracted in other words
Deimpurity difficulty of light later stage.
The present invention is pyrolyzed waste tire by the above method, has both obtained and has been worth higher finished industrial carbon black,
The utility value of waste tire is really improved, while the exhaust gas to waste tire pyrolysis generation, oil gas etc. realize classification again
Processing, not only exhaust gas has been reached discharge standard, prevent from polluting environment, and also achieve oil gas classification recycling and
Recycle, considerably reduce the wasting of resources, be truly realized energy conservation and environmental protection.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of method that waste tire prepares industrial carbon black, it is characterised in that：Comprise the following steps：
Step 1：Waste tire is sent into pyrolysis kettle and is pyrolyzed, obtains gas mixture, burner hearth exhaust gas, coarse carbon black and steel
Silk；
Step 2：Oil-gas Separation step, burner hearth exhaust gas polishing steps, coarse carbon black purification step and steel wire processing step are carried out respectively
Suddenly；
The Oil-gas Separation step is used to carry out separating treatment to gas mixture, is not coagulated combustible gas and light fuel；
The burner hearth exhaust gas polishing steps are used to discharge after burner hearth exhaust-gas treatment to discharge standard；
The coarse carbon black purification step is used to carry out purification processes to coarse carbon black, obtains finished industrial carbon black；
The steel wire processing step is used to take out steel wire from pyrolysis kettle, and processing of packing.
2. the method that a kind of waste tire according to claim 1 prepares industrial carbon black, it is characterised in that：The waste and old wheel
Pyrolysis of the tire in kettle is pyrolyzed is divided into three-level：A length of 3 ~ 5 hours when the first order is pyrolyzed, the temperature being pyrolyzed in kettle are gradual from room temperature
Rise to 200 DEG C；The second level is pyrolyzed 4 ~ 6 hours of duration, and the temperature being pyrolyzed in kettle is gradually increased to 350 DEG C from 200 DEG C；Third level heat
A length of 3 ~ 5 hours during solution, the temperature being pyrolyzed in kettle are gradually increased to 450 DEG C from 350 DEG C, and pressure during pyrolysis at different levels is 10 ~
15Kpa。
3. the method that a kind of waste tire according to claim 1 prepares industrial carbon black, it is characterised in that：The oil gas point
Include following sub-step from step：
Sub-step 2-1-1：Precipitation separation is carried out to gas mixture, obtains heavy oil gas, light petroleum gas and tar class colloid
Object, obtained heavy oil gas and tar class colloid object return to be continued to be pyrolyzed in pyrolysis kettle, and light petroleum gas continues in next step
Reason；
Sub-step 2-1-2：Cooling treatment is carried out to light petroleum gas；
Sub-step 2-1-3：Oil-gas Separation processing is carried out to light petroleum gas after cooling, obtains reduced fuel oil and hydrocarbon compound
Gas, is collected reduced fuel oil；
Sub-step 2-1-4：Water seal processing is carried out to hydrocarbon compound gas；
Sub-step 2-1-5：To water seal handle after hydrocarbon compound gas carry out desulfurization process, obtain light fuel and coagulate can
Combustion gas, a part is stored in light fuel, and another part is sent to pyrolysis kettle combustion heat supplying, in not solidifying combustible gas a part into
Row storage, another part are sent to pyrolysis kettle combustion heat supplying.
4. the method that a kind of waste tire according to claim 3 prepares industrial carbon black, it is characterised in that：Sub-step 2-1-
Cooling treatment described in 2 is the processing of tubular type spraying cooling, is the light petroleum gas of flowing in pipe, it is shower water that pipe is outer.
5. the method that industrial carbon black is prepared according to a kind of waste tire of claim 1 ~ 4 any one of them, it is characterised in that：Institute
Stating burner hearth exhaust gas polishing steps includes following sub-step：
Sub-step 2-2-1：Three-level spray process is carried out to burner hearth exhaust gas；
Sub-step 2-2-2：Dust removal process is carried out to the exhaust gas after spray process；
Sub-step 2-2-3：Gas-water separation processing is carried out to the exhaust gas after dedusting, by the moisture removal in exhaust gas；
Sub-step 2-2-4：Complete the exhaust gas after gas-water separation and carry out uv catalytic reactions, by the organic exhaust gas Partial digestion in exhaust gas
For low molecular compound；
Sub-step 2-2-5：Gas after uv catalytic reactions is expelled directly out.
6. the method that a kind of waste tire according to claim 5 prepares industrial carbon black, it is characterised in that：The sub-step
The detailed process of 2-2-1 is：
Sub-step 2-2-1-1：Burner hearth exhaust gas is introduced into heat exchanger to be cooled down in advance, completes first order spray process；
Sub-step 2-2-1-2：Spray washing is carried out to the burner hearth exhaust gas after completing pre- cooling added with the shower water of medicament, completes the
Two level spray process；
Sub-step 2-2-1-3：The burner hearth exhaust gas for completing second level spray process is sprayed again added with the shower water of medicament
Washing, completes third level spray process.
7. the method that a kind of waste tire according to claim 1 prepares industrial carbon black, it is characterised in that：The coarse carbon black
Purification step includes following sub-step：
Sub-step 2-3-1：Coarse carbon black is cracked with water under conditions of 450 DEG C ~ 750 DEG C, by the oil in coarse carbon black and
Lipid material is got rid of；
Sub-step 2-3-2：Coarse carbon black after cracking carries out magnetic separation, and the metal impurities in coarse carbon black are filtered out；
Sub-step 2-3-3：Coarse carbon black is ground, obtains the finished industrial charcoal for meeting the Particle size requirements of respective standard carbon black
It is black.
8. the method that a kind of waste tire according to claim 7 prepares industrial carbon black, it is characterised in that：The sub-step
Water in 2-3-1 is high arc temperature high pressure hydrone.
9. the method that a kind of waste tire according to claim 1 prepares industrial carbon black, it is characterised in that：Further include material
Collection step, the detailed process of the material collection step are：First the sidewall of waste tire is cut off one by one, then successively by after
One tire, which is put into previous tire, stack until can not be put into, and the tire most stacked at last is sent to pretreatment point.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460609A (en) * | 2020-09-25 | 2021-03-09 | 张家港市艾尔环保工程有限公司 | Waste gas treatment process of heat accumulating type thermal oxidation furnace |
| CN113604239A (en) * | 2021-08-26 | 2021-11-05 | 钢研晟华科技股份有限公司 | Waste tire treatment and recovery method |
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