Environment-friendly biomass particles and gasification process thereof
阅读说明：本技术 一种环保型生物质颗粒及其气化工艺 (Environment-friendly biomass particles and gasification process thereof ) 是由 许盈 范静 于 2019-10-09 设计创作，主要内容包括：本发明涉及一种环保型生物质颗粒及其气化工艺,包括以下重量份的原料：竹屑10-20份、向日葵秸秆20-30份、蓖麻秸秆30-40份、柳树木屑15-20份、杨树木屑15-20份、蒲公英药渣2-4份、苦楝皮药渣1-3份、香茅草药渣1-3份、甘蔗渣1-3份、角鲨烷粉末1-3份、三氧化二铝1-3份、氧化钙1-3份。本发明的生物质颗粒燃烧值高,燃烧污染小,几乎不产生二氧化硫和飞灰,利于生态环境的建设。通过添加蒲公英药渣、苦楝皮药渣、香茅草药渣,使得制成的生物质颗粒在储存时具有驱虫抗菌的作用。通过添加角鲨烷粉末,由于角鲨烷能够进行防菌、防霉变,使生物质颗粒在储存时,能够防止霉变。(The invention relates to an environment-friendly biomass particle and a gasification process thereof, wherein the environment-friendly biomass particle comprises the following raw materials in parts by weight: 10-20 parts of bamboo chips, 20-30 parts of sunflower straws, 30-40 parts of castor straws, 15-20 parts of willow wood chips, 15-20 parts of poplar wood chips, 2-4 parts of dandelion herb residues, 1-3 parts of chinaberry bark herb residues, 1-3 parts of lemongrass herb residues, 1-3 parts of bagasse, 1-3 parts of squalane powder, 1-3 parts of aluminum oxide and 1-3 parts of calcium oxide. The biomass particles of the invention have high combustion value and little combustion pollution, hardly generate sulfur dioxide and fly ash, and are beneficial to the construction of ecological environment. Through adding dandelion herb residues, chinaberry bark residues and lemongrass herb residues, the prepared biomass particles have the functions of expelling worms and resisting bacteria during storage. By adding squalane powder, the squalane can prevent bacteria and mildew, so that the biomass particles can be prevented from mildew during storage.)
1. An environment-friendly biomass particle, characterized in that: the feed comprises the following raw materials in parts by weight:
10-20 parts of bamboo chips, 20-30 parts of sunflower straws, 30-40 parts of castor straws, 15-20 parts of willow wood chips, 15-20 parts of poplar wood chips, 2-4 parts of dandelion herb residues, 1-3 parts of chinaberry bark herb residues, 1-3 parts of lemongrass herb residues, 1-3 parts of bagasse, 1-3 parts of squalane powder, 1-3 parts of aluminum oxide and 1-3 parts of calcium oxide.
2. The environment-friendly biomass particle according to claim 1, wherein: the feed comprises the following raw materials in parts by weight:
15 parts of bamboo chips, 27 parts of sunflower straws, 34 parts of castor straws, 17 parts of willow wood chips, 18 parts of poplar wood chips, 3 parts of dandelion herb residues, 2 parts of chinaberry bark herb residues, 2 parts of lemongrass herb residues, 2 parts of bagasse, 2 parts of squalane powder, 2 parts of aluminum oxide and 2 parts of calcium oxide.
3. A process for gasification of environmentally friendly biomass particles according to any one of claims 1 to 2, characterized in that: the method comprises the following specific steps:
s1: respectively pulverizing bamboo sawdust, sunflower straw, castor straw, willow sawdust, poplar sawdust, dandelion herb residue, cortex meliae residue, lemongrass herb residue and sugarcane residue powder, and mixing to obtain mixed powder;
s2: sending the mixed powder into a roller air-conveying dryer for drying to enable the water content of the mixed powder to reach 8-10 wt%;
s3: putting the dried mixed powder, squalane powder, aluminum oxide and calcium oxide into a mixer together, and stirring to obtain a uniformly mixed mixture;
s4: extruding and molding the mixture by using a molding granulator to obtain biomass particles with the water content of 4-5 wt%;
s5: gasifying the biomass particles to produce a combustible gas;
s6: and carrying out gas-solid separation on the obtained combustible gas to remove solid impurities in the combustible gas.
4. The gasification process of environment-friendly biomass particles as claimed in claim 1, wherein: in the step S3, the stirring speed in the mixer is 900-1000 rpm, and the stirring time is 20-35 minutes.
5. The gasification process of environment-friendly biomass particles as claimed in claim 1, wherein: the density of the biomass particles in step S4 is 1.3-1.5g/cm3The diameter is 7-9 mm.
Technical Field
The invention relates to the field of biomass fuels, in particular to environment-friendly biomass particles and a gasification process thereof.
Background
The biomass energy source, i.e. biomass energy (biomass energy), is the energy form in which solar energy is stored in biomass in the form of chemical energy, i.e. energy using biomass as a carrier. It is directly or indirectly derived from photosynthesis of green plants, can be converted into conventional solid, liquid and gaseous fuels, is inexhaustible, is a renewable energy source, and is a unique renewable carbon source.
Therefore, it is very important to provide an environment-friendly biomass particle and a gasification process thereof.
Disclosure of Invention
The invention aims to: provides an environment-friendly biomass particle and a gasification process thereof.
In order to achieve the above purpose, the invention provides the following technical scheme:
an environment-friendly biomass particle comprises the following raw materials in parts by weight:
10-20 parts of bamboo chips, 20-30 parts of sunflower straws, 30-40 parts of castor straws, 15-20 parts of willow wood chips, 15-20 parts of poplar wood chips, 2-4 parts of dandelion herb residues, 1-3 parts of chinaberry bark herb residues, 1-3 parts of lemongrass herb residues, 1-3 parts of bagasse, 1-3 parts of squalane powder, 1-3 parts of aluminum oxide and 1-3 parts of calcium oxide.
Preferably, the environment-friendly biomass particles comprise the following raw materials in parts by weight:
15 parts of bamboo chips, 27 parts of sunflower straws, 34 parts of castor straws, 17 parts of willow wood chips, 18 parts of poplar wood chips, 3 parts of dandelion herb residues, 2 parts of chinaberry bark herb residues, 2 parts of lemongrass herb residues, 2 parts of bagasse, 2 parts of squalane powder, 2 parts of aluminum oxide and 2 parts of calcium oxide.
An environment-friendly biomass particle gasification process comprises the following specific steps:
s1: respectively pulverizing bamboo sawdust, sunflower straw, castor straw, willow sawdust, poplar sawdust, dandelion herb residue, cortex meliae residue, lemongrass herb residue and sugarcane residue powder, and mixing to obtain mixed powder;
s2: sending the mixed powder into a roller air-conveying dryer for drying to enable the water content of the mixed powder to reach 8-10 wt%;
s3: putting the dried mixed powder, squalane powder, aluminum oxide and calcium oxide into a mixer together, and stirring to obtain a uniformly mixed mixture;
s4: extruding and molding the mixture by using a molding granulator to obtain biomass particles with the water content of 4-5 wt%;
s5: gasifying the biomass particles to produce a combustible gas;
s6: and carrying out gas-solid separation on the obtained combustible gas to remove solid impurities in the combustible gas.
Preferably, the stirring speed in the mixer in the step S3 is 900-.
Preferably, the density of the biomass particles in step S4 is 1.3-1.5g/cm3The diameter is 7-9 mm.
The invention has the beneficial effects that:
the biomass particles of the invention have high combustion value and little combustion pollution, hardly generate sulfur dioxide and fly ash, and are beneficial to the construction of ecological environment. Through adding dandelion herb residues, chinaberry bark residues and lemongrass herb residues, the prepared biomass particles have the functions of expelling worms and resisting bacteria during storage. By adding squalane powder, the squalane can prevent bacteria and mildew, so that the biomass particles can be prevented from mildew during storage.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION