CN105001913B - A kind of device and preparation method of tire pyrolysis Carbon black production combustible gas - Google Patents
A kind of device and preparation method of tire pyrolysis Carbon black production combustible gas Download PDFInfo
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- CN105001913B CN105001913B CN201510506440.9A CN201510506440A CN105001913B CN 105001913 B CN105001913 B CN 105001913B CN 201510506440 A CN201510506440 A CN 201510506440A CN 105001913 B CN105001913 B CN 105001913B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention provides a kind of device and preparation method of tire pyrolysis Carbon black production combustible gas, described device includes, positioned at the combustion chamber of bottom and superposed vaporizer, vapor second heating apparatus being provided between the combustion chamber and vaporizer；Methods described is burnt including (1) carbon black in combustion chamber with combustion air, generates the high-temperature flue gas containing carbon dioxide；(2) high-temperature flue gas enters vaporizer after gas solid separation and carbon dioxide absorption, and carbon black occurs gasification reaction with carbon dioxide and vapor, generates the high-temperature combustible gas containing hydrogen and carbon monoxide；(3) high-temperature combustible gas enters waste heat boiler generation vapor, and vapor subsequently enters second heating apparatus and is converted into superheated steam, into vaporizer.What the present invention was gasified using the high temperature carbon dioxide flue gas of tire pyrolysis carbon black burning generation as carbon black directly heats source and carbon source, and equipment thermal efficiency is high, whole flow process process intensification, and equipment investment expense is low.
Description
Technical field
The invention belongs to junked tire pyrolysis processing technical field, and in particular to a kind of tire pyrolysis Carbon black production combustible gas
Method and apparatus.
Background technology
Pyrolytic carbon black is the key product of junked tire thermal cracking, and its quality and market application value directly govern waste and old
Economy during tire pyrolysis.However, carbon black fillers, inorganic ash content due to containing regeneration in junked tire pyrolytic carbon black
Carbonaceous sediment caused by (such as ZnO and ZnS etc.) and pyrolytic process, its surface-active is poor, and commercial value is very low so that in fact
Border application is greatly limited.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of junked tire pyrolytic carbon black production high-quality combustible gas
Method and apparatus, the device, as thermal source and gasified raw material, burn what is generated using tire pyrolysis carbon black with tire pyrolysis carbon black
High temperature carbon dioxide flue gas after gas solid separation and partial CO 2 adsorbing and removing, as carbon black gasification directly heat source and
Carbon source, equipment thermal efficiency is high, and flow process is compact, and equipment investment expense is low.
For achieving the above object, the present invention is achieved using following technical proposals：
A kind of device of tire pyrolysis Carbon black production combustible gas of the present invention, including superposed vaporizer and under being located at
Vapor second heating apparatus are provided among the combustion chamber in portion, the combustion chamber and vaporizer；The bottom of the carbon black combustion chamber
Provided with ash outlet, middle part is provided with carbon black and combustion air inlet, and top is provided with high-temperature flue gas outlet；The carbon black vaporizer
Top is provided with gas outlet, and bottom is provided with gas approach and gasifying medium inlet；The high-temperature flue gas outlet and gas solid separation and
The import connection of absorption unit of dioxide carbon, the outlet of the gas solid separation and carbon dioxide adsorption device by flue with
Gas approach connects；The gas outlet is connected by gas pipeline with waste heat boiler, and the waste heat boiler passes through vapor pipe
Road is connected with the entrance point of vapor second heating apparatus, and the port of export of the vapor second heating apparatus enters with gasifying medium
Mouth connection.
Further, heat-barrier material is set outside the vapor second heating apparatus.
Further, the gas solid separation and absorption unit of dioxide carbon are arranged in same reactor, reactor top
For cyclone dust collector, bottom is absorption unit of dioxide carbon.
The method that the present invention produces combustible gas according to said apparatus progress tire pyrolysis carbon black, comprises the following steps：
(1) in combustion chamber, carbon black carries out imperfect combustion reaction with combustion air, generates the height containing carbon dioxide
Warm flue gas；
(2) high-temperature flue gas absorbs partial CO 2 through gas solid separation, then through absorption unit of dioxide carbon, then
Into vaporizer, with carbon dioxide and vapor gasification reaction occurs for the carbon black in vaporizer, and generation contains hydrogen and an oxidation
The high-temperature combustible gas of carbon；
(3) high-temperature combustible gas prepared enters waste heat boiler, and it is secondary that the vapor produced in waste heat boiler enters vapor
Heater is converted into superheated steam, enters back into vaporizer as gasifying medium.
Further, the step 1）Excess air coefficient is 0.6-0.8 in combustion chamber, and carbon black ignition temperature is 800-
1100℃。
Further, the step 2）It is middle to use the alkali lye that concentration is 30% to be passed through as carbon dioxide absorber, carbon dioxide
After adsorbing and removing, the volumetric concentration in high-temperature flue gas is 30-40%.
Further, the step 2）The indoor temperature that gasifies is 700-900 DEG C.
Further, the step 2）Vapor and carbon black equivalent proportion are 1.1-2 in vaporizer:1.
Further, the carbon black to be burnt is 1 with the carbon black mass ratio for participating in gasification:1-2.
Further, carbon black granules particle diameter is less than or equal to 250 μm in the combustion chamber, carbon black granules grain in the vaporizer
Footpath is less than or equal to 50 μm.
Compared with prior art, the advantages and positive effects of the present invention are：(1) present invention utilizes junked tire pyrolytic carbon black
As the preparing raw material of combustible gas, the use value of junked tire pyrolytic carbon black can be improved；(2) burnt the height generated with carbon black
Warm carbon dioxide flue gas directly heats source and carbon source as what carbon black gasified, whole flow process process intensification, and equipment investment expense is low；
(3) partial adsorbates of the gas solid separation of high-temperature flue gas and carbon dioxide removing is carried out in same device, compact equipment；
(4) carbon black combustion chamber is arranged in same reaction unit with vaporizer, is both connected each other, and each independent, is easy to implement each
The accurate control of reaction condition, hydrogen-rich combustible gas of the calorific value in 12-15MJ can be produced.(5) using prepare high-temperature combustible gas and
Carbon black burning is heated to vapor and superheated steam respectively, and system thermal efficiency is higher.
Brief description of the drawings
The apparatus structure schematic diagram of the tire pyrolysis Carbon black production combustible gas of Fig. 1 present invention.
Embodiment
Technical scheme is described in further detail with reference to embodiment.
As shown in figure 1, a kind of device of tire pyrolysis Carbon black production combustible gas of the present invention, including superposed gasification
Room 1 and positioned at the combustion chamber 2 of bottom, is provided with vapor second heating apparatus 3 among the combustion chamber and vaporizer, under device 3
Side is carbon black combustion zone, and top is carbon black gasification zone.The bottom of the carbon black combustion chamber 2 is provided with ash outlet 5, and middle part is provided with carbon
Black and combustion air inlet 4, top is provided with high-temperature flue gas outlet 6.The top of the carbon black vaporizer 1 is provided with gas outlet 9, under
Portion is provided with gas approach 8 and gasifying medium inlet 12.In order to ensure that combustion chamber is different with the temperature of vaporizer, the vapor two
Heat-barrier material is set outside secondary heater.
The high-temperature flue gas outlet 6 is connected with the import of gas solid separation and absorption unit of dioxide carbon 7, the gas solid separation
And the outlet of carbon dioxide adsorption device 7 is connected by flue 13 with gas approach 8.The gas outlet 9 passes through combustion gas
Pipeline 15 is connected with waste heat boiler 10, and the waste heat boiler 10 passes through vapor pipeline 14 and vapor second heating apparatus 3
Entrance point 11 is connected, and the port of export of the vapor second heating apparatus 3 is connected with gasifying medium inlet 12.
The gas solid separation and absorption unit of dioxide carbon are arranged in same reactor, and reactor top is cyclone dust removal
Device, bottom are absorption unit of dioxide carbon.It is 30% alkali lye as dioxy that concentration is used in the absorption unit of dioxide carbon
Change carbon adsorbent, for carbon dioxide after adsorbing and removing, the volumetric concentration in high-temperature flue gas is 30-40%.
The vaporizer gas outlet 9 is connected with waste heat boiler 10, and vapor prepared by waste heat boiler 10 passes through vapor
Import 11 enters second heating apparatus 3, and the superheated steam of generation enters vaporizer 1 by gasifying medium inlet 12.
The method that the present invention produces combustible gas using said apparatus progress tire pyrolysis carbon black, comprises the following steps：
(1) in combustion chamber 2, carbon black carries out imperfect combustion reaction with excess air, and carbon black ignition temperature is 800-
1100 DEG C, generate the high-temperature flue gas containing carbon dioxide；Excess air coefficient is 0.6-0.8, and excess air coefficient is higher, carbon black
Combustion reaction is carried out more thorough, and ignition temperature is also higher, and higher flue-gas temperature is advantageous to the progress of gasification reaction；It is but another
On the one hand, too high reaction temperature is harsh to performance requirements such as device materials, while carbon dioxide in flue gas excessive concentration, to rear
The removing of continuous carbon dioxide and gasification reaction are unfavorable.
(2) high-temperature flue gas removes partial CO 2 through gas-solid separating device and carbon dioxide adsorption device 7, this
When high-temperature flue gas in CO2Volume content be 30-40%, then pass through flue 13 enter vaporizer 1, gasify indoor temperature
For 700-900 DEG C, gasification reaction occurs for carbon dioxide in carbon black and high-temperature flue gas and vapor in vaporizer, and generation contains
The high-temperature combustible gas of hydrogen and carbon monoxide, it is 1.1-2.0 to control the mass ratio of vapor and carbon black in vaporizer:1, vapor
Excess is passed through, amount of heat can be absorbed during the course of the reaction, causes vapor utilization rate to decline, is unfavorable for carbon black gasification reaction
Carry out, while it is too high to will also result in water vapour content in combustion gas, calorific value reduces.
(3) high-temperature combustible gas for generating above-mentioned reaction is sent into waste heat boiler 10, raw as the thermal source for preparing vapor
Normal temperature and pressure vapor is produced, the vapor generated in waste heat boiler is sent into vapor second heating apparatus 3 carries out reheating
Superheated steam is converted into, is then fed into vaporizer and participates in reaction.
In above-mentioned reaction, the mass ratio for participating in carbon black of the carbon black of burning with participating in gasification is 1:1-2, optimum quality ratio are
2:3.If participate in combustion reaction amount of carbon blacks it is too low, gasification temperature is low in vaporizer, cause reaction it is not thorough, generator yield and
Calorific value is relatively low；And when the amount of carbon blacks for participating in burning is too high, energy waste can be caused, whole course of reaction economy is poor.
Carbon black granules particle diameter is less than or equal to 250 μm in the combustion chamber, and carbon black granules particle diameter is less than or equal to 50 μm in the vaporizer.
Embodiment 1
The method for producing combustible gas using the device progress tire pyrolysis carbon black of the present invention, comprises the following steps：
(1) in combustion chamber, carbon black carries out imperfect combustion reaction, excess air coefficient 0.6, carbon with excess air
Black ignition temperature is 800 DEG C, generates the high-temperature flue gas containing carbon dioxide；
(2) high-temperature flue gas enters vaporizer, flue gas after gas-solid separating device and adsorbing and removing partial CO 2
Middle CO2Concentration is 33%, and gasification indoor temperature is 700 DEG C, and the black grain diameter scope in vaporizer is 40-50 μm, with high-temperature flue gas
In carbon dioxide and vapor gasification reaction occurs, it is 1.1 control vapor and carbon black mass ratio in vaporizer:1, control into
The carbon black of row burning is 2 with the carbon black mass ratio for participating in gasification:3, generate the high-temperature combustible gas containing hydrogen and carbon monoxide；
(3) high-temperature combustible gas of generation enters the thermal source that waste heat boiler is prepared as vapor.
Using this method, 1.7Nm can be produced per 1kg carbon blacks3Combustible gas, fuel gases calorific value is 14.3MJ/Nm after testing3。
Embodiment 2
The method for producing combustible gas using the device progress tire pyrolysis carbon black of the present invention, comprises the following steps：
(1) in combustion chamber, carbon black carries out imperfect combustion reaction, excess air coefficient 0.7, carbon with excess air
Black ignition temperature is 1000 DEG C, generates the high-temperature flue gas containing carbon dioxide；
(2) high-temperature flue gas enters vaporizer, flue gas after gas-solid separating device and adsorbing and removing partial CO 2
Middle CO2Concentration is 36%, and gasification indoor temperature is 800 DEG C, and the black grain diameter scope in vaporizer is 20-40 μm, with high-temperature flue gas
In carbon dioxide and vapor gasification reaction occurs, it is 1.5 control vapor and carbon black equivalent proportion in vaporizer:1, control into
The carbon black of row burning is 2 with the carbon black mass ratio for participating in gasification:3, generate the high-temperature combustible gas containing hydrogen and carbon monoxide；
(3) high-temperature combustible gas of generation enters the thermal source that waste heat boiler is prepared as vapor.
Using this method, 2.1Nm can be produced per 1kg carbon blacks3Combustible gas, fuel gases calorific value is 16.4MJ/Nm after testing3。
Embodiment 3
The method for producing combustible gas using the device progress tire pyrolysis carbon black of the present invention, comprises the following steps：
(1) in combustion chamber, carbon black carries out imperfect combustion reaction, excess air coefficient 0.8, carbon with excess air
Black ignition temperature is 1100 DEG C, generates the high-temperature flue gas containing carbon dioxide；
(2) high-temperature flue gas enters vaporizer, flue gas after gas-solid separating device and adsorbing and removing partial CO 2
Middle CO2Concentration is 40%, and gasification indoor temperature is 900 DEG C, and the black grain diameter in vaporizer is controlled below 20 μm, high-temperature flue gas
In carbon dioxide and vapor gasification reaction occurs, it is 1.8 control vapor and carbon black equivalent proportion in vaporizer:1, control into
The carbon black of row burning is 2 with the carbon black mass ratio for participating in gasification:3, generate the high-temperature combustible gas containing hydrogen and carbon monoxide；
(3) high-temperature combustible gas of generation enters the thermal source that waste heat boiler is prepared as vapor.
Using this method, 1.9Nm can be produced per 1kg carbon blacks3Combustible gas, fuel gases calorific value is 12.8MJ/Nm after testing3。
Above example is only several in the several preferred embodiment of the present invention, it is noted that the invention is not restricted to
Above-described embodiment；For the person of ordinary skill of the art, still can be to the technical scheme described in previous embodiment
Modify, or equivalent substitution is carried out to which part technical characteristic；And these modifications or substitutions, do not make relevant art side
The essence of case departs from the spirit and scope of claimed technical solution of the invention.
Claims (6)
1. a kind of device of tire pyrolysis Carbon black production combustible gas, it is characterised in that including superposed vaporizer and be located at
Vapor second heating apparatus are provided among the combustion chamber of bottom, the combustion chamber and the vaporizer；The bottom of the combustion chamber
Portion is provided with ash outlet, and middle part is provided with carbon black and combustion air inlet, and top is provided with high-temperature flue gas outlet；The top of the vaporizer
Portion is provided with gas outlet, and bottom is provided with gas approach and gasifying medium inlet；The combustion chamber passes through gas solid separation and titanium dioxide
Carbon absorption device is connected with the vaporizer, the high-temperature flue gas outlet and the gas solid separation and absorption unit of dioxide carbon
Import is connected, and the outlet of the gas solid separation and carbon dioxide adsorption device is connected by flue with the gas approach；
The gas outlet is connected with waste heat boiler by gas pipeline, and the waste heat boiler passes through vapor pipeline and the vapor
The entrance point connection of second heating apparatus, the port of export and the gasifying medium inlet of the vapor second heating apparatus connect
Connect；The gas solid separation and absorption unit of dioxide carbon are arranged in same reactor, and reactor top is cyclone dust collector,
Bottom is absorption unit of dioxide carbon.
2. the device of a kind of tire pyrolysis Carbon black production combustible gas according to claim 1, it is characterised in that the water steams
Heat-barrier material is set outside gas second heating apparatus.
3. device according to claim 1 or 2 carries out the method that tire pyrolysis carbon black produces combustible gas, it is characterised in that
Comprise the following steps：
(1) in combustion chamber, carbon black carries out imperfect combustion reaction with combustion air, generates the high temperature cigarette containing carbon dioxide
Gas, excess air coefficient is 0.6-0.8 in combustion chamber, and carbon black ignition temperature is 800-1100 DEG C；
(2) high-temperature flue gas absorbs partial CO 2 through gas solid separation, then through absorption unit of dioxide carbon, subsequently into
With carbon dioxide and vapor gasification reaction occurs for vaporizer, the carbon black in vaporizer, generates containing hydrogen and carbon monoxide
High-temperature combustible gas, gasification indoor temperature are 700-900 DEG C, and vapor and carbon black equivalent proportion are 1.1-2 in vaporizer:1；
(3) high-temperature combustible gas prepared enters waste heat boiler, and the vapor produced in waste heat boiler enters vapor reheating
Device is converted into superheated steam, enters back into vaporizer as gasifying medium.
4. device according to claim 3 carries out the method that tire pyrolysis carbon black produces combustible gas, it is characterised in that：It is described
Step 2）Middle to use concentration be 30% alkali lye as carbon dioxide absorber, and carbon dioxide is after adsorbing and removing, in high-temperature flue gas
In volumetric concentration be 30-40%.
5. device according to claim 3 carries out the method that tire pyrolysis carbon black produces combustible gas, it is characterised in that：Carry out
The carbon black of burning is 1 with the carbon black mass ratio for participating in gasification:1-2.
6. device according to claim 3 carries out the method that tire pyrolysis carbon black produces combustible gas, it is characterised in that：It is described
Carbon black granules particle diameter is less than or equal to 250 μm in combustion chamber, and carbon black granules particle diameter is less than or equal to 50 μm in the vaporizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506440.9A CN105001913B (en) | 2015-08-18 | 2015-08-18 | A kind of device and preparation method of tire pyrolysis Carbon black production combustible gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510506440.9A CN105001913B (en) | 2015-08-18 | 2015-08-18 | A kind of device and preparation method of tire pyrolysis Carbon black production combustible gas |
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| Publication Number | Publication Date |
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| CN105001913A CN105001913A (en) | 2015-10-28 |
| CN105001913B true CN105001913B (en) | 2018-03-27 |
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| CN109517612B (en) * | 2018-12-11 | 2020-11-03 | 凤阳爱尔思轻合金精密成型有限公司 | Continuous, efficient and green waste tire superheated steam energy conversion method |
| CN110041966A (en) * | 2019-03-15 | 2019-07-23 | 福州鑫裕协新能源有限公司 | A kind of biomass gasifying furnace |
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| JP3377630B2 (en) * | 1994-12-01 | 2003-02-17 | 三菱重工業株式会社 | Fixed bed gasifier and gasification method for organic waste |
| CN1306010C (en) * | 2004-05-18 | 2007-03-21 | 邢力 | Process for producing gasoline, diesel oil and active carbon by using waste rubbers |
| CN104593083A (en) * | 2015-01-12 | 2015-05-06 | 南京师范大学 | Novel biomass step-by-step gasification method and device |
| CN205046065U (en) * | 2015-08-18 | 2016-02-24 | 青岛理工大学 | Device of tire pyrolysis carbon black production combustible gas |
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| CN105001913A (en) | 2015-10-28 |
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