CN115895699A - Complete equipment for producing biomass liquid fuel by using cellulose - Google Patents
Complete equipment for producing biomass liquid fuel by using cellulose Download PDFInfo
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- CN115895699A CN115895699A CN202211531102.7A CN202211531102A CN115895699A CN 115895699 A CN115895699 A CN 115895699A CN 202211531102 A CN202211531102 A CN 202211531102A CN 115895699 A CN115895699 A CN 115895699A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
A complete set of equipment for producing a biomass liquid fuel by utilizing cellulose comprises a pre-reaction kettle, a first-stage reaction kettle and a second-stage reaction kettle; the pre-reaction kettle is communicated with a first-stage reaction kettle through a high-pressure turbine, and the first-stage reaction kettle is communicated with a second-stage reaction kettle; the products of the pre-reaction kettle, the primary reaction kettle and the secondary reaction kettle are processed and separated into wood vinegar, biomass liquid fuel, biological heavy oil, biochar and natural gas through a series of devices. Aiming at the characteristics of cellulose, hemicellulose and lignin components of various biomasses, the biomass liquid fuel is prepared in a large scale by a system industrialization means with less labor, and the production efficiency is high. In the preparation process, excessive generation of tar and biochar is effectively inhibited at lower reaction temperature and energy consumption, the output of biomass liquid fuel is increased, and the production cost is more competitive than that of petrochemical fuel; the whole production process can realize effective protection and safe production to the environment.
Description
Technical Field
The invention relates to the technical field of biomass liquid fuels, in particular to a complete set of equipment for producing the biomass liquid fuel by using cellulose.
Background
The biomass energy is solar energy stored by green plants through photosynthesis, and is the only renewable energy resource known to exist in the form of organic matters. Modern mankind is constantly pursuing to prepare the liquid fuel of bionass with various cellulose biomasses, this is difficult to electrified key renewable liquid fuel that industry such as aviation, sea transportation and road traffic decarbonization links can use in a large number, is the direct substitution to the non-renewable petrochemical energy, is one of the main means that mankind realizes "carbon neutrality" target.
At present, no complete set of equipment for continuously and automatically controlling the production of biomass liquid fuel by cellulose in an industrialized manner is available in the market, workshop-type production cannot reach ideal cracking process conditions, a large amount of tar is produced instead of liquid fuel when the biomass is heated to above 600 ℃ in a destructive distillation manner, so that the labor amount is large, raw materials and energy are wasted, C1-C4 gas is difficult to recover, the environment is polluted, and the safety production is endangered.
Disclosure of Invention
The object of the present invention is to provide a plant for the production of a liquid biomass fuel from cellulose,
the invention is characterized in that cellulose biomass particles with the moisture content of less than 15 percent and the particle size of 7 meshes (the diameter: 2.8 mm) to 70 meshes (the diameter: 0.2 mm) are uniformly mixed with a heat carrier and a catalyst and heated to the temperature of 290-330 ℃, the mixture is subjected to reciprocating pulse in an internal heating mode at the flow speed of 2-5 s under the condition of no oxygen basically, and gas, liquid and solid phase substances, namely biomass products, are generated through the technical processes of cracking, condensing, extracting, drying and the like; the target product is cellulose biological liquid fuel, and associated products of biochar and pyroligneous liquor stock solution are raw materials of biochar-based fertilizer; the whole preparation process and the biological product output have no pollutant discharge.
A complete set of equipment for producing a biomass liquid fuel by utilizing cellulose comprises a pre-reaction kettle, a first-stage reaction kettle and a second-stage reaction kettle; the pre-reaction kettle is communicated with a first-stage reaction kettle through a high-pressure turbine, and the first-stage reaction kettle is communicated with a second-stage reaction kettle;
the straw bin, the catalyst tank and the heat carrier storage tank are communicated with the pre-reaction kettle, straw particles, a catalyst and a heat carrier are conveyed to the pre-reaction kettle, the crusher is communicated with the straw bin, and the crusher crushes the straws and then conveys the crushed straws into the straw bin;
the pre-reaction kettle is communicated with a first condenser, the first condenser is communicated with a first oil-water separator, the first oil-water separator is communicated with a first high-pressure fan, oil gas generated in the pre-reaction kettle enters the first condenser for condensation and then enters the first oil-water separator for separation to be separated into pyroligneous liquor, biomass liquid fuel and biological heavy oil, and the separated natural gas is discharged and stored through the first high-pressure fan;
the first-stage reaction kettle is communicated with a second condenser, the second-stage reaction kettle is communicated with a third condenser, the second condenser and the third condenser are both communicated with a second oil-water separator, the second oil-water separator is communicated with second high-pressure air, a material mixture after cracking in the pre-reaction kettle is sent into the first-stage reaction kettle through a high-pressure turbine for cracking, materials after cracking overflowing in the first-stage reaction kettle flow into the second-stage reaction kettle for cracking, oil gas generated after cracking in the first-stage reaction kettle and the second-stage reaction kettle is condensed through the second condenser and the third condenser respectively and then enters the second oil-water separator for separation into biomass liquid fuel, wood vinegar liquid and biological heavy oil, and separated natural gas is discharged through a second high-pressure air blower for storage;
the first-stage reaction kettle is communicated with the second-stage reaction kettle, the second-stage reaction kettle is communicated with a first-stage centrifugal machine, the first-stage centrifugal machine is communicated with a heat carrier storage tank and a biochar dispersing tank, the biochar dispersing tank is communicated with a second-stage centrifugal machine and an extract liquor storage tank, the second-stage centrifugal machine is communicated with a biochar dryer and a fractionating tower, the biochar dryer is communicated with the extract liquor storage tank through a fourth condenser, the fractionating tower is communicated with the heat carrier storage tank, and the fractionating tower is communicated with the extract liquor storage tank through a fifth condenser;
after the first-stage reaction kettle and the second-stage reaction kettle are cracked, the produced liquid enters a first-stage centrifugal machine for separation, the separated heat carrier enters a heat carrier storage tank, the separated residual liquid enters a biochar dispersing tank for dispersion, the extract liquor in the extract liquor storage tank enters a biochar dispersing tank, the residual product after dispersion and separation enters a second-stage centrifugal machine for separation, after separation, biochar containing a small amount of extract liquor enters a biochar dryer for drying, the biochar and the extract liquor gas are obtained after drying, the extract liquor gas passes through a fourth condenser and then becomes liquid and enters an extract liquor storage tank, the extract liquor mixture separated by the second-stage centrifugal machine enters a fractionating tower for fractionation, the small amount of heat carrier separated by the fractionating tower enters the heat carrier storage tank, and the extract liquor separated by the fractionating tower enters the extract liquor storage tank after being condensed by a fifth condenser.
The pre-reaction kettle is mixed and degraded at 240-280 ℃ for 30 minutes.
The cracking temperature in the first-stage reaction kettle and the second-stage reaction kettle is 290-330 ℃, and the cracking time is the completion of cracking.
The invention has the beneficial effects that:
1. aiming at the characteristics of cellulose, hemicellulose and lignin components of various biomasses, the biomass liquid fuel is prepared in a large scale by a system industrialization means with less labor, and the production efficiency is high. In the preparation process, excessive generation of tar and biochar is effectively inhibited at lower reaction temperature and energy consumption, the output of biomass liquid fuel is increased, and the production cost is more competitive than that of petrochemical fuel; the whole production process can realize effective protection and safe production to the environment.
2. The density of the biomass liquid fuel produced by the matching process of the invention is 0.86g/cm 3 The fuel can be used as fuel of various internal combustion engines and other combustors, and has carbon reduction and environmental protection values and economic utilization values.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 1, a complete equipment for producing a liquid biomass fuel by using cellulose comprises a pre-reaction kettle 1, a first-stage reaction kettle 2 and a second-stage reaction kettle 3; the pre-reaction kettle 1 is communicated with a first-stage reaction kettle 2 through a high-pressure turbine 11, and the first-stage reaction kettle 2 is communicated with a second-stage reaction kettle 3;
the straw bin 12, the catalyst tank 13 and the heat carrier storage tank 14 are communicated with the pre-reaction kettle 1, straw particles, a catalyst and a heat carrier are conveyed to the pre-reaction kettle 1, the crusher 15 is communicated with the straw bin 12, and the crusher 15 crushes straws and then conveys the straws into the straw bin 12;
the pre-reaction kettle 1 is communicated with a first condenser 16, the first condenser 16 is communicated with a first oil-water separator 17, the first oil-water separator 17 is communicated with a first high-pressure fan 18, oil gas generated in the pre-reaction kettle 1 enters the first condenser 16 to be condensed, then enters the first oil-water separator 17 to be separated, and is separated into pyroligneous liquor, biomass liquid fuel and biological heavy oil, and the separated natural gas is discharged and stored through the first high-pressure fan 18;
the first-stage reaction kettle 2 is communicated with a second condenser 21, the second-stage reaction kettle 3 is communicated with a third condenser 31, the second condenser 21 and the third condenser 31 are both communicated with a second oil-water separator 32, the second oil-water separator 32 is communicated with second high-pressure air 33, a cracked material mixture in the pre-reaction kettle 1 is sent into the first-stage reaction kettle 2 through a high-pressure turbine 11 for cracking, a cracked material overflowing from the first-stage reaction kettle 2 flows into the second-stage reaction kettle 3 for cracking, oil gas generated after cracking of the first-stage reaction kettle 2 and the second-stage reaction kettle 3 is respectively condensed through the second condenser 21 and the third condenser 31 and then enters the second oil-water separator 32 for separation to be separated into pyroligneous liquid, biomass liquid fuel and biological heavy oil, and separated natural gas is discharged through the second high-pressure air blower 33 for storage;
the first-stage reaction kettle 2 is communicated with the second-stage reaction kettle 3, the second-stage reaction kettle 3 is communicated with a first-stage centrifugal machine 4, the first-stage centrifugal machine 4 is communicated with a heat carrier storage tank 14 and a biochar dispersing tank 5, the biochar dispersing tank 5 is communicated with a second-stage centrifugal machine 6 and an extract liquid storage tank 9, the second-stage centrifugal machine 6 is communicated with a biochar dryer 8 and a fractionating tower 10, the biochar dryer 8 is communicated with the extract liquid storage tank 9 through a fourth condenser 81, the fractionating tower 10 is communicated with the heat carrier storage tank 14, and the fractionating tower 10 is communicated with the extract liquid storage tank 9 through a fifth condenser 91;
after the first-stage reaction kettle 2 and the second-stage reaction kettle 3 are cracked, the produced liquid enters a first-stage centrifuge 4 for separation, the separated heat carrier enters a heat carrier storage tank 14, the separated residual liquid enters a biochar dispersing tank 5 for dispersion, the extract liquor in an extract liquor storage tank 9 enters the biochar dispersing tank 5, the residual product after dispersion and separation enters a second-stage centrifuge 6 for separation, after separation, the biochar containing a small amount of extract liquor enters a biochar dryer 8 for drying, the biochar and the extract liquor gas are obtained after drying, the extract liquor gas passes through a fourth condenser 81 and becomes liquid and enters the extract liquor storage tank 9, the extract liquor mixture separated by the second-stage centrifuge 6 enters a fractionating tower 10 for fractionation, the small amount of heat carrier separated by the fractionating tower 10 enters the heat carrier storage tank 14, and the extract liquor separated by the fractionating tower 10 enters the extract liquor storage tank 9 after being condensed by a fifth condenser 91.
The pre-reaction kettle 1 is mixed and degraded at the temperature of 240-280 ℃, and the degradation time is 30 minutes.
The cracking temperature in the first-stage reaction kettle 2 and the second-stage reaction kettle 3 is 290-330 ℃, and the cracking time is the completion of cracking.
The biomass liquid fuel produced by the pilot plant test and the matching process has the density of 0.86g/cm 3 The fuel can be used as fuel of various internal combustion engines and other combustors, and has carbon reduction and environmental protection values and economic utilization values.
Claims (2)
1. A plant for producing a liquid biomass fuel from cellulose, characterized in that it comprises: comprises a pre-reaction kettle (1), a first-stage reaction kettle (2) and a second-stage reaction kettle (3); the pre-reaction kettle (1) is communicated with the first-stage reaction kettle (2) through a high-pressure turbine (11), and the first-stage reaction kettle (2) is communicated with the second-stage reaction kettle (3);
the straw storage bin (12), the catalyst tank (13) and the heat carrier storage tank (14) are communicated with the pre-reaction kettle (1), straw particles, a catalyst and a heat carrier are conveyed to the pre-reaction kettle (1), the crusher (15) is communicated with the straw storage bin (12), and the crusher (15) crushes the straws and then conveys the straws into the straw storage bin (12);
the pre-reaction kettle (1) is communicated with a first condenser (16), the first condenser (16) is communicated with a first oil-water separator (17), the first oil-water separator (17) is communicated with a first high-pressure fan (18), oil gas generated in the pre-reaction kettle (1) enters the first condenser (16) to be condensed and then enters the first oil-water separator (17) to be separated into wood vinegar liquid, biomass liquid fuel and biological heavy oil, and the separated natural gas is discharged and stored through the first high-pressure fan (18);
the primary reaction kettle (2) is communicated with a second condenser (21), the secondary reaction kettle (3) is communicated with a third condenser (31), the second condenser (21) and the third condenser (31) are communicated with a second oil-water separator (32), the second oil-water separator (32) is communicated with second high-pressure air (33), a cracked material mixture in the pre-reaction kettle (1) is sent into the primary reaction kettle (2) through a high-pressure turbine (11) for cracking, cracked materials overflowing in the primary reaction kettle (2) flow into the secondary reaction kettle (3) for cracking, oil gas generated after cracking of the primary reaction kettle (2) and the secondary reaction kettle (3) is condensed through the second condenser (21) and the third condenser (31) respectively and then enters the second oil-water separator (32) for separation into wood vinegar liquid, biomass liquid fuel and biological heavy oil, and separated natural gas is discharged through the second high-pressure air blower (33) for storage;
the first-stage reaction kettle (2) is communicated with the second-stage reaction kettle (3), the second-stage reaction kettle (3) is communicated with a first-stage centrifugal machine (4), the first-stage centrifugal machine (4) is communicated with a heat carrier storage tank (14) and a biochar dispersing tank (5), the biochar dispersing tank (5) is communicated with a second-stage centrifugal machine (6) and an extraction liquid storage tank (9), the second-stage centrifugal machine (6) is communicated with a biochar dryer (8) and a fractionating tower (10), the biochar dryer (8) is communicated with an extraction liquid storage tank (9) through a fourth condenser (81), the fractionating tower (10) is communicated with the heat carrier storage tank (14), and the fractionating tower (10) is communicated with the extraction liquid storage tank (9) through a fifth condenser (91);
after the first-stage reaction kettle (2) and the second-stage reaction kettle (3) are cracked, the produced liquid enters a first-stage centrifuge (4) for separation, the separated heat carrier enters a heat carrier storage tank (14), the separated residual liquid enters a biochar dispersing tank (5) for dispersion, the extraction liquid in an extraction liquid storage tank (9) enters a biochar dispersing tank (5), the residual products after dispersion and separation enter a second-stage centrifuge (6) for separation, after separation, the biochar containing a small amount of extraction liquid enters a biochar dryer (8) for drying, the biochar and the extraction liquid gas are obtained after drying, the extraction liquid gas is obtained after passing through a fourth condenser (81) and then becomes liquid, the liquid enters an extraction liquid storage tank (9), the extraction liquid mixture separated by the second-stage centrifuge (6) enters a fractionating tower (10) for fractionation, the small amount of heat carrier separated by the fractionating tower (10) enters the heat carrier storage tank (14), and the extraction liquid separated by the fractionating tower (10) is condensed by a fifth condenser (91) and then enters the extraction liquid storage tank (9).
2. A plant for producing a liquid biomass fuel from cellulose according to claim 1, characterized in that: the pre-reaction kettle (1) is subjected to mixed cracking at the temperature of 240-280 ℃, and the cracking time is 30 minutes;
the cracking temperature in the first-stage reaction kettle (2) and the second-stage reaction kettle (3) is 290-330 ℃, and the cracking time is the completion of cracking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211531102.7A CN115895699A (en) | 2022-12-01 | 2022-12-01 | Complete equipment for producing biomass liquid fuel by using cellulose |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211531102.7A CN115895699A (en) | 2022-12-01 | 2022-12-01 | Complete equipment for producing biomass liquid fuel by using cellulose |
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| CN115895699A true CN115895699A (en) | 2023-04-04 |
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| CN202211531102.7A Pending CN115895699A (en) | 2022-12-01 | 2022-12-01 | Complete equipment for producing biomass liquid fuel by using cellulose |
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| CN112980475A (en) * | 2019-12-16 | 2021-06-18 | 上海工程技术大学 | Cotton stalk carbonizing poly-generation comprehensive utilization system and process |
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2022
- 2022-12-01 CN CN202211531102.7A patent/CN115895699A/en active Pending
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| CN102031133A (en) * | 2010-12-30 | 2011-04-27 | 东北林业大学 | Device and method for producing biological fuel oil by quickly cracking biomass |
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| CN112980475A (en) * | 2019-12-16 | 2021-06-18 | 上海工程技术大学 | Cotton stalk carbonizing poly-generation comprehensive utilization system and process |
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