CN115785983A - Method for producing biomass liquid fuel by pulse pyrolysis - Google Patents
Method for producing biomass liquid fuel by pulse pyrolysis Download PDFInfo
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- CN115785983A CN115785983A CN202211495505.0A CN202211495505A CN115785983A CN 115785983 A CN115785983 A CN 115785983A CN 202211495505 A CN202211495505 A CN 202211495505A CN 115785983 A CN115785983 A CN 115785983A
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- Prior art keywords
- biomass
- pulse
- reaction kettle
- liquid fuel
- pressure
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- 239000002028 Biomass Substances 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005336 cracking Methods 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000007790 solid phase Substances 0.000 claims abstract description 7
- 235000021419 vinegar Nutrition 0.000 claims abstract description 4
- 239000000052 vinegar Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002023 wood Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract 2
- 238000010517 secondary reaction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- VYQRBKCKQCRYEE-UHFFFAOYSA-N ctk1a7239 Chemical compound C12=CC=CC=C2N2CC=CC3=NC=CC1=C32 VYQRBKCKQCRYEE-UHFFFAOYSA-N 0.000 abstract description 2
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
A method for producing biomass liquid fuel by pulse pyrolysis comprises the following steps: 1) Feeding the biomass particle slurry of the mixed heat carrier into a high-pressure turbine for pressurization at 290-330 ℃ from a pre-reaction kettle through a slurry pump, wherein the mixture slurry in the cracking process enters a negative-pressure reaction kettle in a pulse mode; 2) The high-pressure turbine generates a pressure of 10-24 bar in the slurry conveying line at 280m 3 The flow rate per hour is fed into the reaction kettle under the negative pressure of 100-700 mbar, and the pulse circulation is carried out in a reciprocating way until the biomass solid phase is cracked into gas, liquid fuel, wood vinegar, water and biochar. The invention is a pulse type feeding, can thin biomass particle slurry of a mixed heat carrier, is beneficial to cracking, produces biomass liquid fuel without tar, and has the density of 0.86g/cm 3 The fuel can be used as fuel of power machinery, and has economic value and utilization value.
Description
Technical Field
The invention relates to the technical field of preparation of biomass liquid fuel, in particular to a method for producing biomass liquid fuel by pulse pyrolysis. The pulse is as follows: the material is released at intervals by high pressure at the feed inlet and low pressure at the discharge outlet.
Background
The traditional method for producing the biological liquid fuel is to crack lignin, cellulose and hemicellulose by utilizing high temperature, the produced biological liquid fuel is basically tar, and the density is 1.2g/cm 3 The fuel can not be used as the fuel of the power machine, and has no economic value and utilization value.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a method for producing biomass liquid fuel by pulse pyrolysis.
A method for producing biomass liquid fuel by pulse pyrolysis comprises the following steps:
1) The biomass particle slurry of the mixed heat carrier is sent into a high-pressure turbine for pressurization at 290-330 ℃ from a pre-reaction kettle through a slurry pump during the cracking process, and the high-pressure turbine enters a negative-pressure reaction kettle in a pulse mode;
2) The high-pressure turbine generates a pressure of 10-24 bar in the slurry conveying pipeline at 280m 3 The flow of the biomass/h enters the reaction kettle at the negative pressure of 100-700 mbar, and the pulse circulation is repeated until the biomass solid phase is cracked into gas, liquid fuel, wood vinegar, water and biochar.
3) Overflowing the solid-phase large-particle biomass in the reaction kettle to a secondary reaction kettle, and repeating the process in the step 2) until the cracking process is completed.
The beneficial effects of the invention are:
the invention is a pulse type feeding, can thin biomass particle slurry of a mixed heat carrier, is beneficial to cracking, produces biomass liquid fuel without tar, and has the density of 0.86g/cm 3 The fuel can be used as fuel of power machinery, and has economic value and utilization value.
Detailed Description
A method for producing biomass liquid fuel by pulse pyrolysis, comprising the following steps:
1) The biomass particle slurry of the mixed heat carrier is sent into a high-pressure turbine for pressurization at 290-330 ℃ from a pre-reaction kettle through a slurry pump during the cracking process, and the high-pressure turbine enters a negative-pressure reaction kettle in a pulse mode;
2) The high-pressure turbine generates a pressure of 10-24 bar in the slurry conveying line at 280m 3 The flow rate per hour is fed into the reaction kettle under the negative pressure of 100-700 mbar, and the pulse circulation is carried out in a reciprocating way until the biomass solid phase is cracked into gas, liquid fuel, wood vinegar, water and biochar.
3) Overflowing the solid-phase large-particle biomass in the reaction kettle to a secondary reaction kettle, and repeating the process in the step 2) until the cracking process is completed.
Claims (1)
1. A method for producing biomass liquid fuel by pulse pyrolysis, which is characterized in that; the method comprises the following steps:
1) Feeding the biomass particle slurry of the mixed heat carrier into a high-pressure turbine for pressurization at 290-330 ℃ from a pre-reaction kettle through a slurry pump, wherein the mixture slurry in the cracking process enters a negative-pressure reaction kettle in a pulse mode;
2) The high-pressure turbine generates a pressure of 10-24 bar in the slurry conveying line at 280m 3 The flow of the biomass/h enters the reaction kettle at the negative pressure of 100-700 mbar, and the pulse circulation is repeated until the biomass solid phase is cracked into gas, liquid fuel, wood vinegar, water and biochar.
3) Overflowing the solid-phase large-particle biomass in the reaction kettle to a secondary reaction kettle, and repeating the process in the step 2) until the cracking process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211495505.0A CN115785983A (en) | 2022-11-27 | 2022-11-27 | Method for producing biomass liquid fuel by pulse pyrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211495505.0A CN115785983A (en) | 2022-11-27 | 2022-11-27 | Method for producing biomass liquid fuel by pulse pyrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115785983A true CN115785983A (en) | 2023-03-14 |
Family
ID=85441841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211495505.0A Pending CN115785983A (en) | 2022-11-27 | 2022-11-27 | Method for producing biomass liquid fuel by pulse pyrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115785983A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1962818A (en) * | 2005-11-08 | 2007-05-16 | 李效时 | Method for preparing biomass oil by rapid pyrolysis technology |
| CN102899097A (en) * | 2012-09-20 | 2013-01-30 | 西安益众环保产业有限公司 | Biomass liquid fuel and production method thereof |
| US20140303415A1 (en) * | 2011-07-26 | 2014-10-09 | Catchlight Energy Llc | High pressure feeding system for a liquid-based biomass to liquid reactor |
| CN204208320U (en) * | 2014-11-12 | 2015-03-18 | 江西广源化工有限责任公司 | A kind of high-voltage pulse batch mixing is to the dry reforming apparatus of spray formula |
| CN105062153A (en) * | 2015-08-19 | 2015-11-18 | 江苏大德能源科技发展有限公司 | Micro negative pressure rotary pyrolysis production technology for carbon black |
| CN105647553A (en) * | 2016-03-22 | 2016-06-08 | 山东理工大学 | Flow guiding cyclone type biomass pyrolysis reactor |
| CN110358558A (en) * | 2019-07-12 | 2019-10-22 | 江苏常泓城市绿岛环保科技有限公司 | The useless solid resource conversion processing system of environmental protection |
-
2022
- 2022-11-27 CN CN202211495505.0A patent/CN115785983A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1962818A (en) * | 2005-11-08 | 2007-05-16 | 李效时 | Method for preparing biomass oil by rapid pyrolysis technology |
| US20140303415A1 (en) * | 2011-07-26 | 2014-10-09 | Catchlight Energy Llc | High pressure feeding system for a liquid-based biomass to liquid reactor |
| CN102899097A (en) * | 2012-09-20 | 2013-01-30 | 西安益众环保产业有限公司 | Biomass liquid fuel and production method thereof |
| CN204208320U (en) * | 2014-11-12 | 2015-03-18 | 江西广源化工有限责任公司 | A kind of high-voltage pulse batch mixing is to the dry reforming apparatus of spray formula |
| CN105062153A (en) * | 2015-08-19 | 2015-11-18 | 江苏大德能源科技发展有限公司 | Micro negative pressure rotary pyrolysis production technology for carbon black |
| CN105647553A (en) * | 2016-03-22 | 2016-06-08 | 山东理工大学 | Flow guiding cyclone type biomass pyrolysis reactor |
| CN110358558A (en) * | 2019-07-12 | 2019-10-22 | 江苏常泓城市绿岛环保科技有限公司 | The useless solid resource conversion processing system of environmental protection |
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