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Method for producing liquid fuel from biomass waste

A technology of biomass waste and liquid fuel, which is applied in the preparation of biofuel, liquid hydrocarbon mixture, special form of dry distillation, etc. It can solve the problems of increasing the production cost of the device, the inability to guarantee the reaction temperature, and the inability to recycle tail gas.

Active Publication Date: 2015-05-20
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this technology are: the device feeds the material through the three-way pipe, which cannot continue to feed and cannot guarantee the reaction temperature; the device is too simple and is only suitable for laboratory research
The disadvantages of this technology are: the device requires an additional oxygen-poor gas generator, which increases the cost of the device; the tail gas cannot be recycled, and direct discharge causes resource waste and environmental pollution; the device is only suitable for laboratory research

Method used

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  • Method for producing liquid fuel from biomass waste
  • Method for producing liquid fuel from biomass waste
  • Method for producing liquid fuel from biomass waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Start the reaction device, burn bio-oil, heat the heat carrier, and reach the predetermined temperature (560°C), use rice husk powder as the raw material of biomass waste, and transport it to the reaction device through the feeding system. The feeding rate of biomass waste is 2.33t / h.

[0039] The biomass waste and the heat carrier directly contact and exchange heat during the downward process, and the heat carrier and the biomass waste are fully mixed and transfer their heat to the biomass waste. The biomass waste is heated to above 500°C instantaneously (1-2s), and the biomass waste undergoes pyrolysis reaction, and most of the volatile matter and moisture of the biomass waste form pyrolysis steam. Most of the ash and fixed carbon of biomass waste form biochar.

[0040] After the thermal cracking reaction, the heat carrier is separated and transported to the heater. Use one or more sets of cyclone separators to separate the carbon powder in the pyrolysis steam, real...

Embodiment 2

[0046] Start the reaction device, burn bio-oil, heat the heat carrier, and reach the predetermined temperature (560°C), use rice husk powder as the raw material of biomass waste, and transport it to the reaction device through the feeding system, and the feed rate of biomass is 2.17t / h.

[0047] The biomass waste and the heat carrier directly contact and exchange heat during the downward process, and the heat carrier and the biomass waste are fully mixed and transfer their heat to the biomass waste. The biomass waste is heated to above 500°C instantaneously (1-2s), and the biomass waste undergoes pyrolysis reaction, and most of the volatile matter and moisture of the biomass waste form pyrolysis steam. Most of the ash and fixed carbon of biomass waste form biochar.

[0048] After the thermal cracking reaction, the heat carrier is separated and transported to the heater. Use one or more sets of cyclone separators to separate the carbon powder in the pyrolysis steam, realize ...

Embodiment 3

[0054] Start the reaction device, burn bio-oil, heat the heat carrier, and reach the predetermined temperature (560°C), use rice husk powder as the raw material of biomass waste, and transport it to the reaction device through the feeding system, and the feed rate of biomass is 2.19t / h.

[0055] The biomass waste and the heat carrier directly contact and exchange heat during the downward process, and the heat carrier and the biomass waste are fully mixed and transfer their heat to the biomass waste. The biomass waste is heated to above 500°C instantaneously (1-2s), and the biomass waste undergoes pyrolysis reaction, and most of the volatile matter and moisture of the biomass waste form pyrolysis steam. Most of the ash and fixed carbon of biomass waste form biochar.

[0056] After the thermal cracking reaction, the heat carrier is separated and transported to the heater. Use one or more sets of cyclone separators to separate the carbon powder in the pyrolysis steam, realize ...

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Abstract

The invention discloses a method for producing a liquid fuel from biomass waste, belonging to the technical field of renewable energy sources. The quick thermal cracking method comprises the following steps: the raw material is delivered into a reactor, heated by a heat carrier, and subjected to thermal cracking in the reactor to generate thermal cracking vapor and biochar; the heat carrier is separated, and delivered into a heater; the biochar is separated by a separator and delivered to a char discharge system via a pipeline; and when the thermal cracking vapor passes through a condensation system, the condensable part is condensed into liquid biological oil, the uncondensable part is delivered to a heat carrier heating system via a pipeline and combusted to heat the heat carrier, and the heat carrier reaching the preset temperature is delivered to a ball storage chamber for cyclic utilization. The device can be used in large-scale industrial production.

Description

technical field [0001] The invention relates to a method for producing liquid fuel by using biomass waste, in particular to a thermal cracking method for lignocellulosic biomass waste, and belongs to the technical field of renewable resources. Background technique [0002] With the development of human civilization, the consumption of energy continues to rise, but the reserves of fossil energy are limited, thus causing an energy crisis. At the same time, due to the large amount of sulfur oxides, nitrogen oxides, carbon dioxide and other gases produced during the use of fossil energy, a serious environmental crisis has occurred. One of the ways to solve these two crises is to find renewable clean energy. [0003] Bioenergy is currently a hot spot in renewable energy research because of its abundant raw material sources, renewable energy, and zero carbon emissions during the entire utilization process. There are many ways to use bio-energy. Biomass pyrolysis to produce liqui...

Claims

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Application Information

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IPC IPC(8): C10G1/00C10B53/02C10B49/16
CPCC10B49/16C10B53/02C10G1/00C10G2300/1003C10G2300/1011Y02E50/10Y02P20/133
Inventor 刘荣厚蔡文飞
Owner SHANGHAI JIAO TONG UNIV
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