CN102719260A - System and method for preparing high-activity straw coke - Google Patents
System and method for preparing high-activity straw coke Download PDFInfo
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- CN102719260A CN102719260A CN2012101728996A CN201210172899A CN102719260A CN 102719260 A CN102719260 A CN 102719260A CN 2012101728996 A CN2012101728996 A CN 2012101728996A CN 201210172899 A CN201210172899 A CN 201210172899A CN 102719260 A CN102719260 A CN 102719260A
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- reactor drum
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- collection container
- stalk
- coke
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention relates to a system and a method for preparing high-activity straw coke. The method comprises the steps: filling granular straw biomass with higher alkali metal content in a high-temperature electric furnace, and controlling the reasonable heating rate and the constant heating temperature to prepare straw coke with high reaction activity; condensing and collecting tar and pyrolysis gas at the outlet of a coke preparing reactor; and after heating is finished, continuously introducing nitrogen gas until the coke preparing reactor is cooled to room temperature, and taking out the coke sample. The method is suitable for preparing coke with high reaction activity by utilizing the straw biomass with high alkali metal content.
Description
Technical field
The invention belongs to coking and chemical field, be specifically related to a kind of system and method for producing high reactivity straw coke.
Background technology
Biomass are extensively thought a kind of " CO
2Zero release " renewable energy source; the output of the annual biomass in the whole world is about 3,000,000,000 tons; biomass energy account for that the whole world energy forms 14%; and in all kinds of biomass resources of China were formed, stalk biomass accounted for 65% of total yield of biomass, therefore the utilization of stalk biomass was become the emphasis of the Chinese biological matter utilization of resources.
An important feature of stalk biomass is exactly the alkali metal content height, causes it in the high-temp combustion process, can produce serious coking problem, thereby has influenced the efficient utilization of stalk biomass.For avoiding producing serious coking problem, the higher biomass of alkali metal containing are widely used in secondary Chemicals such as producing coke, oil, gas usually, realize the comprehensive utilization of biomass resource.
Yet when utilizing stalk biomass to produce coke,, often be difficult to make the best coke of reactive behavior because this process receives the influence of factors such as Heating temperature, temperature rise rate, fuel particle diameter, atmosphere and heat-up time.Therefore be necessary result, propose a kind of new method of producing the highest stalk class coke of reactive behavior according to scientific research and testing.
Summary of the invention
The object of the present invention is to provide a kind of productive rate that can improve the stalk biomass coke; Collect utilization to making the tar and the pyrolysis gas that produce in the burnt process simultaneously, realize the system and method for producing high reactivity stalk coke of the comprehensive high-efficiency utilization of stalk biomass.
For achieving the above object; System of the present invention comprises high-temperature heater and is arranged on the burnt reactor drum of the system that the stalk material is housed in the high-temperature heater; On the end cap of the burnt reactor drum of system, offer the outlet of gas atmosphere inlet and shielding gas; The sidewall upper of making burnt reactor drum offers the outlet that is connected with flue, and flue is logical through condensing surface and tar coated lycopene, and the upper end of this tar collection container is also logical through pipeline and the pyrolysis gas coated lycopene that has vapor pipe.
Also be provided with the burnt reactor drum explosive door of system on the described end cap.
On the burnt reactor drum of described system hanging hook has been installed also.
Be provided with the support fixation part that is used for fixing with the burnt reactor drum of positioning in the described high-temperature heater.
The exhaust pass valve also is installed on the described flue.
Tar collection container explosive door is installed on the described tar collection container.
Pyrolysis gas collection container explosive door is installed on the described pyrolysis gas collection container, and on its vapor pipe, exhaust valve is installed.
The inventive method is following:
1) before system Jiao, be that the stalk biomass of 50-200 μ m is inserted in the burnt reactor drum of system with particle diameter at first, the volume of inserting is no more than 3/4 of the burnt reactor volume of system;
2) will make burnt reactor drum and place in the high-temperature electric resistance furnace, go into body mouth feeding nitrogen more than 3 hours through the protection gas that is opened on the end cap, to drive away remaining air in the burnt reactor drum of system;
3) after residual air drive away to be accomplished, the control high-temperature electric resistance furnace kept constant temperature 4 hours after being increased to 775-825 ℃ with the temperature rise rate of 2-10 ℃/min;
4) after after flue was input to condenser condenses, tar got into the tar collection container, remaining pyrolysis gas then gets into the pyrolysis gas collection container storage in downstream through valve for the burnt tar that produces of system and flue gas;
5) behind the system close-burning bundle, will make burnt reactor drum and in high-temperature electric resistance furnace, hang out, and continue to feed nitrogen until making burnt reactor cooling to room temperature, the burnt appearance that can will make is taken out.
The present invention utilizes the high-temperature electric resistance furnace heating to be filled with the higher stalk biomass of granular alkali metal content, through controlling rational temperature rise rate and thermostatically heating temperature, produces the high stalk class coke of reactive behavior.At the burnt reactor outlet of system tar and pyrolysis gas are carried out collecting after the condensation.After heating finishes, continue to feed nitrogen, can burnt appearance be taken out until making burnt reactor cooling to room temperature.This method is applicable to the coke that utilizes the higher stalk biomass of alkali metal content to produce high reaction activity.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Wherein, the burnt reactor drum explosive door of 1-system; The burnt reactor drum end cap of 2-system; The burnt reactor drum of 3-system plays hanging hook; The burnt reactor drum of 4-system; The 5-high-temperature electric resistance furnace; 6-stalk material; 7-support fixation part; 8-tar collection container; 9-pyrolysis gas collection container; The 10-vapor pipe; The 11-exhaust valve; 12-pyrolysis gas collection container explosive door; 13-tar collection container explosive door; The 14-condensing surface; The 15-flue; 16-exhaust pass valve
Embodiment
Referring to Fig. 1; The present invention includes set inside the high-temperature heater 5 of support fixation part 7 is arranged; The burnt reactor drum 4 of system is installed in high-temperature heater 5; On the end cap 2 of the burnt reactor drum 4 of system, offer gas atmosphere inlet, shielding gas outlet and make burnt reactor drum explosive door 1; Make on the burnt reactor drum 4 hanging hook 3 also has been installed, the sidewall upper of making burnt reactor drum 4 offers the outlet that is connected with flue 15, and flue 15 is connected with tar collection container 8 through Flue valve 16, condensing surface 14; The upper end of this tar collection container 8 also is connected with the pyrolysis gas collection container 9 that has vapor pipe 10 through pipeline, on its coal-tar middle oil collection container 8 tar collection container explosive door 13 is installed; Pyrolysis gas collection container explosive door 12 is installed on the pyrolysis gas collection container 9, and on its vapor pipe 10, exhaust valve 11 is installed.
Native system is applicable to the coke that utilizes the higher stalk biomass of alkali metal content to produce high reaction activity.Making burnt reactor drum 4 usefulness refractory materialss is built into; Reactor head is equipped with end cap 2; On reactor drum 4, reactor drum is installed explosive door 1 to guarantee the safe operation of the burnt reactor drum of system to end cap 2 through bolted, and high-temperature electric resistance furnace 5 inboard wall of burner hearth are equipped with the support fixation part 7 that refractory materials is processed; Realizing the fixing and location of the burnt reactor drum of system, and can avoid making burnt reactor drum and directly contact with the inhomogeneous of burner hearth; The import and export of inert protective gas are housed on the end cap; Be connected to flue 15 at the burnt reactor drum of system near the sidewall on top in addition, and be equipped with by-pass valve control 16; Tar collection container 8 is equipped with explosive door 13 and 12 respectively with pyrolysis gas collection container 9, and to guarantee collection container safety, pyrolysis gas collection container 9 is equipped with vapor pipe and valve 11 in addition, so that the timely eliminating of pyrolysis gas.
The method that the present invention produces high reactivity stalk coke is:
1) before system Jiao, be that the stalk biomass of 50-200 μ m is inserted in the burnt reactor drum 4 of system with particle diameter at first, the volume of inserting is no more than burnt reactor drum 4 volumetrical 3/4 of system;
2) will make burnt reactor drum 4 and place in the high-temperature electric resistance furnace 5, go into body mouth feeding nitrogen more than 3 hours through the protection gas that is opened on the end cap 2, to drive away remaining air in the burnt reactor drum of system;
3) after residual air drive away to be accomplished, control high-temperature electric resistance furnace 5 kept constant temperature 4 hours after being increased to 775-825 ℃ with the temperature rise rate of 2-10 ℃/min;
4) after after flue 15 was input to condensing surface 14 condensations, tar got into tar collection container 8, remaining pyrolysis gas then gets into pyrolysis gas collection container 9 storages in downstream through valve 16 for the burnt tar that produces of system and flue gas;
5) behind the system close-burning bundle, will make burnt reactor drum 4 and in high-temperature electric resistance furnace 5, hang out, and continue to feed nitrogen and be cooled to room temperature until the burnt reactor drum 4 of system, the burnt appearance that can will make is taken out.
The invention has the advantages that:
The present invention has chosen the burnt temperature of rational system, has avoided making the sintering of material in the burnt process, and the stalk biomass coke that obtains is active high;
The present invention has chosen rational particle diameter, temperature rise rate and heat-up time, and the productive rate of the feasible stalk biomass coke that makes is high;
Collect utilization to producing the tar and the pyrolysis gas that produce in the coke process, realize the comprehensive high-efficiency utilization of stalk biomass;
System of the present invention constitutes simple, easy to implement and operation, and the security of each reactor drum and container is paid attention to, and is difficult in the use having an accident.
Through control thermostatically heating temperature; Produce the stalk class coke of high reaction activity; Choose rational particle diameter, temperature rise rate and heat-up time; Improve the productive rate of stalk biomass coke, collect utilization to making the tar and the pyrolysis gas that produce in the burnt process simultaneously, realize the comprehensive high-efficiency utilization of stalk biomass.
Processing parameter chooses based on the scientific experimentation result in this invention; Test shows: making burnt temperature is the burnt hole characteristic of the straw prosperity the most under 800 ℃; And significant sintering has taken place after further being increased to 1000 ℃, and it is the highest to make the combustion activity index of the stalk class coke that obtains when burnt temperature is 800 ℃.
Claims (8)
1. system that produces high reactivity stalk coke; It is characterized in that: comprise high-temperature heater (5) and be arranged on the burnt reactor drum (4) of the system that stalk material (6) is housed in the high-temperature heater (5); On the end cap (2) of the burnt reactor drum of system (4), offer the outlet of gas atmosphere inlet and shielding gas; The sidewall upper of making burnt reactor drum (4) offers the outlet that is connected with flue (15); Flue (15) is connected with tar collection container (8) through condensing surface (14), and the upper end of this tar collection container (8) also is connected with the pyrolysis gas collection container (9) that has vapor pipe (10) through pipeline.
2. the system that produces high reactivity stalk coke according to claim 1 is characterized in that: also be provided with system burnt reactor drum explosive door (1) on the described end cap (2).
3. the system that produces high reactivity stalk coke according to claim 1 is characterized in that: hanging hook (3) also has been installed on the burnt reactor drum of described system (4).
4. the system that produces high reactivity stalk coke according to claim 1 is characterized in that: be provided with the support fixation part (7) that is used for fixing with the burnt reactor drum of positioning (4) in the described high-temperature heater (5).
5. the system that produces high reactivity stalk coke according to claim 1 is characterized in that: exhaust pass valve (16) also is installed on the described flue (15).
6. the system that produces high reactivity stalk coke according to claim 1 is characterized in that: tar collection container explosive door (13) is installed on the described tar collection container (8).
7. the system that produces high reactivity stalk coke according to claim 1; It is characterized in that: pyrolysis gas collection container explosive door (12) is installed on the described pyrolysis gas collection container (9), and on its vapor pipe (10), exhaust valve (11) is installed.
8. a system as claimed in claim 1 is used to produce the method for high reactivity stalk coke, it is characterized in that:
1) before system Jiao, be that the stalk biomass of 50-200 μ m is inserted in the burnt reactor drum of system (4) with particle diameter at first, the volume of inserting is no more than system burnt reactor drum (4) volumetrical 3/4;
2) will make burnt reactor drum (4) and place in the high-temperature electric resistance furnace (5), go into body mouth feeding nitrogen more than 3 hours through the protection gas that is opened on the end cap (2), to drive away remaining air in the burnt reactor drum of system;
3) after residual air drive away to be accomplished, control high-temperature electric resistance furnace (5) kept constant temperature 4 hours after being increased to 775-825 ℃ with the temperature rise rate of 2-10 ℃/min;
4) after after flue (15) was input to condensing surface (14) condensation, tar got into tar collection container (8), the pyrolysis gas of remnants then gets into pyrolysis gas collection container (9) storage in downstream through valve (16) for the burnt tar that produces of system and flue gas;
5) behind the system close-burning bundle, will make burnt reactor drum (4) and in high-temperature electric resistance furnace (5), hang out, and continue to feed nitrogen and be cooled to room temperature until the burnt reactor drum of system (4), the burnt appearance that can will make is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101728996A CN102719260A (en) | 2012-05-30 | 2012-05-30 | System and method for preparing high-activity straw coke |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101728996A CN102719260A (en) | 2012-05-30 | 2012-05-30 | System and method for preparing high-activity straw coke |
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| CN102719260A true CN102719260A (en) | 2012-10-10 |
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| CN2012101728996A Pending CN102719260A (en) | 2012-05-30 | 2012-05-30 | System and method for preparing high-activity straw coke |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236558A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of handling process of biomass |
| CN107236557A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of process for upgrading of biomass moulding material |
| CN109852408A (en) * | 2019-01-25 | 2019-06-07 | 湖北和瑞能源科技股份有限公司 | A kind of biomass pyrogenation gasification device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336072A (en) * | 2002-05-20 | 2003-11-28 | Nippon Thermic Research:Kk | Dry distillation equipment |
| CN1528862A (en) * | 2003-10-06 | 2004-09-15 | 熊仕玉 | Coke pressing from cotton stalk |
| CN201506767U (en) * | 2009-09-11 | 2010-06-16 | 中国科学院南京土壤研究所 | Device for making charcoal from straw |
| CN202081061U (en) * | 2011-06-03 | 2011-12-21 | 冯思慧 | Self-heat-supply type pyrogenation carbonizing kettle capable of completely recovering products |
-
2012
- 2012-05-30 CN CN2012101728996A patent/CN102719260A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336072A (en) * | 2002-05-20 | 2003-11-28 | Nippon Thermic Research:Kk | Dry distillation equipment |
| CN1528862A (en) * | 2003-10-06 | 2004-09-15 | 熊仕玉 | Coke pressing from cotton stalk |
| CN201506767U (en) * | 2009-09-11 | 2010-06-16 | 中国科学院南京土壤研究所 | Device for making charcoal from straw |
| CN202081061U (en) * | 2011-06-03 | 2011-12-21 | 冯思慧 | Self-heat-supply type pyrogenation carbonizing kettle capable of completely recovering products |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236558A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of handling process of biomass |
| CN107236557A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of process for upgrading of biomass moulding material |
| CN109852408A (en) * | 2019-01-25 | 2019-06-07 | 湖北和瑞能源科技股份有限公司 | A kind of biomass pyrogenation gasification device |
| CN109852408B (en) * | 2019-01-25 | 2020-11-10 | 湖北和瑞能源科技股份有限公司 | Biomass pyrolysis gasification device |
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Application publication date: 20121010 |