CN203530201U - System for producing regenerative carbon black from waste rubber and plastic product pyrolytic carbon subjected to dust removal and modification - Google Patents
System for producing regenerative carbon black from waste rubber and plastic product pyrolytic carbon subjected to dust removal and modification Download PDFInfo
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- CN203530201U CN203530201U CN201320685272.0U CN201320685272U CN203530201U CN 203530201 U CN203530201 U CN 203530201U CN 201320685272 U CN201320685272 U CN 201320685272U CN 203530201 U CN203530201 U CN 203530201U
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Abstract
The utility model discloses a system capable of producing regenerative carbon black from waste rubber and plastic product pyrolytic carbon subjected to dust removal and modification. The system comprises acid reaction containers, an alkali reaction container, a modified reaction container, a spraying device, filtering devices, and a sedimentation and water treatment system, wherein the acid reaction containers are connected with the alkali reaction container and the modified reaction container respectively to enable the pyrolytic carbon to react with acid, alkali and a modifier respectively; the spraying device is connected with the acid reaction containers and used for neutralizing and absorbing gas generated in the acid reaction; the filtering devices are arranged at the rear channels of the acid reaction containers and the modified reaction container to perform solid-liquid separation on the discharged material after a reaction; the sedimentation and water treatment system is connected with the filtering devices to precipitate solid matters in a filtrate generated through filtering. According to the utility model, through treatment of waste rubber and plastic products by the system, the ash content in pyrolytic carbon is greatly reduced, and the cyclic utilization of waste rubber and plastic products is realized.
Description
Technical field
The utility model relates to a kind of system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black, particularly a kind of system that pyrolytic carbon degree of depth ash disposal at high proportion, surface modification is improved to the pyrolytic carbon ash disposal modification preparation, regeneration carbon black of reinforcing effect.
Background technology
Along with the accelerated development of rubber, plastics industry, in world wide, there are a large amount of waste rubber plastics, these rubber plastic products contain high molecular polymer, carbon black and some ash contents conventionally.In ash content, contain the elements such as zinc, calcium, silicon, aluminium, sodium, iron, magnesium, potassium, sulphur, phosphorus.
Along with technical progress, pyrolytic technique can be converted into waste rubber plastics charcoal, oil and inflammable gas, but in pyrolytic carbon, contain a large amount of ash contents, ash content accounts for the 15%-20% of pyrolytic carbon mass ratio conventionally, this causes the performance of pyrolytic carbon and general industry carbon black, and there is a big difference, and particularly the existence of some ash content causes pyrolytic carbon cannot carry out recycle.
At application number, be that CN03129370.0, name are called in the Chinese patent of " a kind of production method of low ash content regenerative carbon cellulosic material ", disclosed under inert atmosphere the charing of waste polymer material intensification thermo-cracking has been obtained after cracking black carbon, add a kind of inorganic salt and this cracking black carbon baking mixed, make inorganic salt be molten state and with this cracking black carbon in reactive metal oxide, generate the metal-salt of solubility, through subsequent techniques such as washing, dry, crushing and classifications, prepare low ash content regenerative carbon cellulosic material.So these patent employing inorganic salt and carbon black are baking mixed, and its dedusting effect is undesirable, and roasting required equipment is more complicated, expensive, and the required energy of roasting is more.
In addition, at application number, be that CN201310165196.5, name are called in the Chinese patent of " a kind of solid phase graft-modification method of the cracking black carbon of regenerating ", disclosed in the pyrolytic carbon producing at waste old, plastics Pintsch process and added organic compound, by milling equipment, organifying compound situ-formed graft, to the surface of pyrolytic carbon, obtains the regeneration cracking black carbon of solid phase graft-modification.This patent is fully contacted organic compound and pyrolytic carbon surface, reacts by milling equipment, but that its weak point is this reaction effect is not good, and does not solve the problem that pyrolytic carbon ash content is high.
Utility model content
The purpose of this utility model is to provide a kind of device of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black that can suitability for industrialized production, use pyrolysis gas is the energy, with better simply chemical reaction, remove the ash content in pyrolytic carbon, change the micro-chemical environment in pyrolytic carbon surface, thereby pyrolytic carbon is converted into the regeneration carbon black of similar general industry carbon black performance.
For realizing above-mentioned utility model object, the utility model proposes following technical scheme: a kind of technical scheme of system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black, comprises acid-respons container, modified-reaction container, sprinkling equipment, filter plant, precipitation and water treatment system; Wherein said acid-respons container is connected with modified-reaction container, is respectively used to pyrolytic carbon to react with acid and properties-correcting agent; Described sprinkling equipment is connected with acid-respons container, for the gas that acid-respons is produced, neutralizes, absorbs; Described filter plant is arranged on acid-respons container and modified-reaction container Hou road, for the discharging after acid-respons, modified-reaction are completed, carries out solid-liquid separation; Described precipitation and water treatment system are connected with described filter plant, for precipitating filtering the solids of rear gained filtrate.
More preferably, described system also comprises the alkali reaction container being connected with described acid-respons container and modified-reaction container, and described alkali reaction container is for reacting described pyrolytic carbon with alkali.
Described system also comprises the granulating equipment being connected with filter plant, and described granulating equipment is for pelletizing of carbon black that powdery is regenerated.
Described system also comprise shredder assembly, pyrolysis installation, shredding unit and gas fired-boiler; Described shredder assembly is broken into particle by waste rubber plastics; Described pyrolysis installation becomes pyrolytic carbon, oil and combustible gas by the pyrolysis of waste rubber plastics; Described shredding unit is connected with the charcoal outlet of pyrolysis installation, for pyrolytic carbon is pulverized; Described gas fired-boiler is connected with the gas outlet of pyrolysis installation, for by pyrolysis fuel gas buring water vapour processed.
It is raw material that the utility model be take waste rubber plastics pyrolytic carbon, by twice different acid-respons and an alkali reaction, the ash content in pyrolytic carbon is converted into soluble salt, then by washing, filter salt separatedly from pyrolytic carbon, realize ash disposal; By modified-reaction, change the micro-chemical environment in pyrolytic carbon surface, form new key coat, the bonding force between enhances pyrolysis carbon granule and rubber, plastics, improves reinforcing effect, thereby makes regeneration carbon black, substantially reaches the performance index of general industry carbon black.
The reaction process of described pyrolytic carbon and the first acid comprises: the first acid is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with the first acid under 0.2MPa～0.5MPa condition, and part of ash changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded ensuing reaction.
The reaction process of described pyrolytic carbon and alkali comprises: alkali is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with alkali under 0.2MPa～0.5MPa condition, and part of ash changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded ensuing reaction.
The reaction process of described pyrolytic carbon and the second acid comprises: the second acid is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with the second acid under 0.2MPa～0.5MPa condition, and part of ash changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded ensuing reaction.
The reaction process of described pyrolytic carbon and properties-correcting agent comprises: properties-correcting agent is added in pyrolytic carbon, be uniformly mixed, in the time of stirring, pyrolytic carbon is heated, described pyrolytic carbon reacts under temperature is 70 ℃～100 ℃, condition of normal pressure, filtration after completing.Obtained regeneration carbon black can be further processed.
Compared with prior art, the utility model can be reduced to 1%-2% up to the ash oontent of 20% original pyrolytic carbon by ash oontent, the reinforcement ability of the regeneration carbon black making can compare favourably with industrial carbon blacks such as N330, N660, realizes the recycle of waste rubber plastics.More meaningfully, in above-mentioned reaction, drying process, institute's heat requirement comes from the combustible gas that the pyrolysis of waste rubber plastics produces, and has both avoided the outer pollution discharging environment of pyrolysis gas, fully realizes again recycle.
Accompanying drawing explanation
Fig. 1 is the schema of the method for the utility model waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black;
Fig. 2 is the schema of Fig. 1 refinement;
Fig. 3 is the structural representation of the system of the utility model waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black.
In figure, element numbers is:
Waste rubber plastic breaker 1, transfer roller 21～28, pyrolysis installation 3; pyrolytic carbon shredding unit 4, gas fired-boiler 5, sour A reaction vessel 6; filter plant 71～74, alkali B reaction vessel 8, alkali spray column 9; acid C reaction vessel 10; modified-reaction container 11, tablets press 12, drying plant 13; packaging facilities 14, precipitation and water treatment system 15
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out to clear, complete description.
Described in Fig. 1, Fig. 2, the method for the utility model waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black comprises the following steps:
S1, waste rubber plastics adopt pyrolytic process to make pyrolytic carbon, oil, combustible gas.
S2, pyrolytic carbon is crushed to the following fineness of 325 order (particle diameter <45 μ m).
S3, pyrolytic carbon reacts with sour A, and part of ash is changed into soluble salt, then removes through washing and filtering.
Specifically, the reaction process of pyrolytic carbon and sour A comprises: sour A is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with sour A under the condition of 0.2MPa～0.5MPa, and reaction rear section ash content changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded subsequent reactions.Wherein sour A is selected from one or more the combination in hydrochloric acid, nitric acid, sulfuric acid, hydrofluoric acid, phosphoric acid.
S4, pyrolytic carbon reacts with alkali B, and part of ash is changed into soluble salt, then removes through washing and filtering.
Specifically, pyrolytic carbon comprises with the process that alkali B reacts: alkali B is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with alkali under 0.2MPa～0.5MPa condition, and part of ash changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded subsequent reactions.Alkali B is one or more the combination in sodium carbonate, sodium hydroxide, potassium hydroxide.
Whether the step that pyrolytic carbon reacts with alkali B is optional step, according to the ash content kind of waste rubber plastics is different, select to adopt.
S4, pyrolytic carbon reacts with sour C, and part of ash is changed into soluble salt, then removes through washing and filtering.
Specifically, pyrolytic carbon comprises with the process that sour C reacts: sour C is added in pyrolytic carbon, be uniformly mixed, when stirring, pyrolytic carbon is heated, described pyrolytic carbon is under 70 ℃～100 ℃, condition of normal pressure or is 120 ℃～151 ℃ in temperature in temperature, pressure is fully to react with sour C under 0.2MPa～0.5MPa condition, and part of ash changes into soluble salt; After having reacted, wash pyrolytic carbon, discharging with water and filter, removing soluble salt; Remaining pyrolytic carbon is proceeded subsequent reactions.Acid C is one or more the combination in hydrochloric acid, nitric acid, sulfuric acid, hydrofluoric acid, phosphoric acid, and different from sour A composition.
For different waste rubber plastics pyrolytic carbons, interchangeable scheme is that the sequencing of S3, S4, S5 can change.
S6, pyrolytic carbon reacts with properties-correcting agent D, changes the micro-chemical environment in pyrolytic carbon surface, forms new key coat, and the bonding force between enhances pyrolysis carbon granule and rubber, plastics, improves reinforcing effect, thereby makes regeneration carbon black.
Specifically, pyrolytic carbon comprises with the process that properties-correcting agent D reacts: properties-correcting agent D is added in pyrolytic carbon, be uniformly mixed, in the time of stirring, pyrolytic carbon is heated, described pyrolytic carbon reacts under temperature is 70 ℃～100 ℃, condition of normal pressure, filtration after completing.Obtained regeneration carbon black is proceeded described step 7.Properties-correcting agent D is one or more the combination in silane coupling agent, titanate coupling agent, aluminate coupling agent, stearic acid, sodium stearate.
S7, after ash disposal modification, gained regeneration carbon black is through granulation, dry, packing, available.
As shown in Figure 3, the system of a kind of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black that the utility model discloses, comprises waste rubber plastic breaker 1; transfer roller 21～27, pyrolysis installation 3, pyrolytic carbon shredding unit 4; gas fired-boiler 5, sour A reaction vessel 6, filter plant 71～74; alkali B reaction vessel 8, alkali spray column 9, sour C reaction vessel 10; modified-reaction container 11, tablets press 12, drying plant 13; packaging facilities 14, precipitation and water treatment system 15.Described crusher 1 to particle diameter 2-5cm particle, enters described pyrolysis installation 3 by described transfer roller 21, as the raw material of pyrolytic reaction by waste rubber plastic crushing.
Waste rubber plastics are changed into pyrolytic carbon, oil and combustible gas by pyrolysis installation 3.Combustible gas inputs to described gas fired-boiler 5 burnings and produces steam for reaction vessel, drying plant.Pyrolytic carbon is crushed to the following fineness of 325 order (particle diameter <45 μ m) by described shredding unit 4, through described transfer roller 22, delivers to sour A reaction vessel 6.Pyrolytic carbon reacts with sour A in reaction vessel 6, and the part of ash in pyrolytic carbon is changed into soluble salt.The collection and confinement of gases producing in reaction process arrives described alkali spray column 9, after treatment outer row.After having reacted, reaction vessel 6 dischargings are filtered by described filter plant 71, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
The filter residue that filter plant 71 produces is delivered to alkali B reaction vessel 8 through described transfer roller 23.Pyrolytic carbon reacts with alkali B in reaction vessel 8, and the part of ash in pyrolytic carbon is changed into soluble salt.After having reacted, reaction vessel 8 dischargings are filtered by described filter plant 72, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
The filter residue that filter plant 72 produces is delivered to sour C reaction vessel 10 through described transfer roller 24.Pyrolytic carbon reacts with sour C in reaction vessel 10, and the part of ash in pyrolytic carbon is changed into soluble salt.The collection and confinement of gases producing in reaction process arrives described alkali spray column 9, after treatment outer row.After having reacted, reaction vessel 10 dischargings are filtered by described filter plant 73, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
In the present embodiment, with sour A reaction vessel 6, in front, placed in the middle, sour C reaction vessel 10 postpones of alkali B reaction vessel 8, introduce the process of the acid of waste rubber plastics pyrolytic carbon, alkali ash disposal reaction, in other embodiments, the front and back position that described sour A reaction vessel 6, alkali B reaction vessel 8, sour C reaction vessel 10 connect can specifically carry out front and back according to the difference of the contained ash content kind of waste rubber plastics pyrolytic carbon to be changed, and some embodiment also can omit alkali B reaction vessel 8.
The filter residue that filter plant 73 produces is delivered to modified-reaction container 11 through described transfer roller 25.Pyrolytic carbon reacts with properties-correcting agent D in reaction vessel 11, makes regeneration carbon black.Reaction vessel 11 dischargings are filtered by described filter plant 74.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
Obtained regeneration carbon black is delivered to tablets press 12 through described transfer roller 26, the pelletizing of carbon black of regenerating.Carbon black particle is delivered to drying plant 13 through described transfer roller 27, is dried.Dried carbon black particle is delivered to packaging facilities 14 through described transfer roller 28 and is packed.
The waste tyre pyrolytic charcoal ash disposal modification preparation, regeneration carbon black of take is below example, and the process of the utility model to waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black is described.Damaged tire is delivered to crusher 1 by e Foerderanlage (not shown), is broken into the micelle of 2-5cm.Micelle enters pyrolysis installation 3 by transfer roller 21, through pyrolytic reaction, changes into pyrolytic carbon, oil and combustible gas.Combustible gas inputs to described gas fired-boiler 5 burnings and produces steam for reaction vessel, drying plant.Pyrolytic carbon is crushed to 325 orders by shredding unit 4, through transfer roller 22, delivers to sour A reaction vessel 6.Pyrolytic carbon reacts with hydrochloric acid (sour A) in reaction vessel 6, and the part of ash in pyrolytic carbon is changed into soluble salt.The collection and confinement of gases producing in reaction process, to alkali spray column 9, is arranged outward after treatment.After having reacted, reaction vessel 6 dischargings are filtered by filter plant 71, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
The filter residue that filter plant 71 produces is delivered to alkali B reaction vessel 8 through transfer roller 23.Pyrolytic carbon reacts with soda ash (alkali B) in reaction vessel 8, and the part of ash in pyrolytic carbon is changed into soluble salt.After having reacted, reaction vessel 8 dischargings are filtered by filter plant 72, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
The filter residue that filter plant 72 produces is delivered to sour C reaction vessel 10 through described transfer roller 24.Pyrolytic carbon reacts with nitric acid (sour C) in reaction vessel 10, and the part of ash in pyrolytic carbon is changed into soluble salt.The collection and confinement of gases producing in reaction process, to alkali spray column 9, is arranged outward after treatment.After having reacted, reaction vessel 10 dischargings are filtered by filter plant 73, then filter residue is washed with water, filtered.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
Above-mentioned hydrochloric acid, nitric acid, soda ash add-on record various component proportionss in ash oontent and ash content according to pyrolytic carbon and determine.
The filter residue that filter plant 73 produces is delivered to modified-reaction container 11 through transfer roller 25.Pyrolytic carbon reacts with titanate coupling agent CT-136 in reaction vessel 11, makes regeneration carbon black.Titanic acid ester add-on is the 1%-2% of pyrolytic carbon quality.Reaction vessel 11 dischargings are filtered by described filter plant 74.Filtrate collection arrives precipitation and water treatment system 15, outer row after treated environment protection standard.
Obtained regeneration carbon black is delivered to tablets press 12 through transfer roller 26, the pelletizing of carbon black of regenerating.Carbon black particle is delivered to drying plant 13 through transfer roller 27, is dried.Dried carbon black particle is delivered to packaging facilities 14 through transfer roller 28 and is packed.
After above-mentioned processing, the ash oontent of waste tyre pyrolytic charcoal is reduced to 1.5%, DBP adsorptive value 85, tensile strength 17MPa, tensile yield 440%, 300% stress at definite elongation 8.1MPa from 18%.Performance index and general industry carbon black N330, N660 approach.
Technology contents of the present utility model and technical characterictic have disclosed as above; yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and are done all replacement and modifications that does not deviate from the utility model spirit; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present utility model and modifications, and contained by present patent application claim.
Claims (7)
1. a system for waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black, is characterized in that, comprises acid-respons container, modified-reaction container, sprinkling equipment, filter plant, precipitation and water treatment system; Wherein said acid-respons container is connected with modified-reaction container, is respectively used to pyrolytic carbon to react with acid and properties-correcting agent; Described sprinkling equipment is connected with acid-respons container, for the gas that acid-respons is produced, neutralizes, absorbs; Described filter plant is arranged on acid-respons container and modified-reaction container Hou road, for the discharging after acid-respons, modified-reaction are completed, carries out solid-liquid separation; Described precipitation and water treatment system are connected with described filter plant, for precipitating filtering the solids of rear gained filtrate.
2. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 1, it is characterized in that, also comprise the alkali reaction container being connected with described acid-respons container and modified-reaction container, described alkali reaction container is for reacting described pyrolytic carbon with alkali.
3. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 1, is characterized in that, also comprises the granulating equipment being connected with filter plant, and described granulating equipment is for pelletizing of carbon black that powdery is regenerated.
4. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 1, is characterized in that, also comprise shredder assembly, described shredder assembly is broken into particle by waste rubber plastics.
5. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 1, is characterized in that, also comprise pyrolysis installation, described pyrolysis installation becomes pyrolytic carbon, oil and combustible gas by the pyrolysis of waste rubber plastics.
6. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 5, is characterized in that, also comprises shredding unit, and described shredding unit is connected with the charcoal outlet of pyrolysis installation, for pyrolytic carbon is pulverized.
7. the system of waste rubber plastics pyrolytic carbon ash disposal modification preparation, regeneration carbon black according to claim 5, is characterized in that, also comprise gas fired-boiler, described gas fired-boiler is connected with the gas outlet of pyrolysis installation, for by pyrolysis fuel gas buring water vapour processed.
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| CN201320685272.0U CN203530201U (en) | 2013-10-31 | 2013-10-31 | System for producing regenerative carbon black from waste rubber and plastic product pyrolytic carbon subjected to dust removal and modification |
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| CN201320685272.0U CN203530201U (en) | 2013-10-31 | 2013-10-31 | System for producing regenerative carbon black from waste rubber and plastic product pyrolytic carbon subjected to dust removal and modification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540172A (en) * | 2013-10-31 | 2014-01-29 | 王兢 | Method and system for preparing regenerative carbon black by deashing and modifying pyrolytic carbon of waste rubber and plastic products |
| CN107952260A (en) * | 2016-10-14 | 2018-04-24 | 张瑞永 | Method for extracting and recovering chemicals from carbon black after cracking waste rubber |
| CN112358746A (en) * | 2020-11-09 | 2021-02-12 | 江西省永固新能源炭黑有限公司 | Scrap tire schizolysis carbon black carbonization system |
-
2013
- 2013-10-31 CN CN201320685272.0U patent/CN203530201U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540172A (en) * | 2013-10-31 | 2014-01-29 | 王兢 | Method and system for preparing regenerative carbon black by deashing and modifying pyrolytic carbon of waste rubber and plastic products |
| CN107952260A (en) * | 2016-10-14 | 2018-04-24 | 张瑞永 | Method for extracting and recovering chemicals from carbon black after cracking waste rubber |
| CN112358746A (en) * | 2020-11-09 | 2021-02-12 | 江西省永固新能源炭黑有限公司 | Scrap tire schizolysis carbon black carbonization system |
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