CN105950250A - 一种环保易燃型燃料棒及其制作工艺 - Google Patents

一种环保易燃型燃料棒及其制作工艺 Download PDF

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CN105950250A
CN105950250A CN201610310255.7A CN201610310255A CN105950250A CN 105950250 A CN105950250 A CN 105950250A CN 201610310255 A CN201610310255 A CN 201610310255A CN 105950250 A CN105950250 A CN 105950250A
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陆飞云
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Anhui Zhenyun Biological Energy Co Ltd
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    • C10L5/00Solid fuels
    • C10L5/40Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/442Wood or forestry waste
    • CCHEMISTRY; METALLURGY
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    • C10L5/00Solid fuels
    • C10L5/40Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/445Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
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    • C10L5/00Solid fuels
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    • C10L5/48Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
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    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08Drying or removing water
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/24Mixing, stirring of fuel components
    • CCHEMISTRY; METALLURGY
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    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/28Cutting, disintegrating, shredding or grinding
    • CCHEMISTRY; METALLURGY
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    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/32Molding or moulds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

本发明公开了一种环保易燃型燃料棒及其制作工艺,其配方的重量百分比如下:榆木锯末20‑40%,榆木树皮10‑30%,废碳粉5‑12%,碱性纸浆废液2‑6%,脱水污泥15‑40%,废纸浆3‑10%,植物油脚2‑6%,炉渣4‑12%。本发明相比现有技术具有以下优点:本发明中方法可以有效改善榆木树皮中的物质结构,保持碳元素,软化其纤维结构,使其易于加工成型;主要原料为榆木锯末和树皮,含硫量少于0.1%,灰分含量较低,在1.6‑3.2%之间,容易燃烧,且燃烧时间长,绿色环保,比传统燃料减少40%左右的运行成本。

Description

一种环保易燃型燃料棒及其制作工艺
技术领域
本发明属于生物固体燃料技术领域,具体涉及一种环保易燃型燃料棒及其制作工艺。
背景技术
随着全球经济的快速发展,人类对能源的需求不断增加,而传统能源在不断枯竭,开发生物质燃料已成为现在能源项目研究的重要课题之一,现在通常对生物质原料或者废料进行简单的除尘、干燥后检测其热值,然后针对相应的热值添加一定量的助燃剂或高热值材料以达到需求,最后通过挤压成为颗粒燃料,但是为了降低原料成本,通常使用来源广泛、价格低廉的生活垃圾等,含有一定量的硫,需要经过复杂的程序进行除硫,但仍然有部分残留会造成环境污染。
发明内容
本发明的目的是针对现有的问题,提供了一种环保易燃型燃料棒及其制作工艺。
本发明是通过以下技术方案实现的:一种环保易燃型燃料棒,其配方的重量百分比如下:榆木锯末20-40%,榆木树皮10-30%,废碳粉5-12%,碱性纸浆废液2-6%,脱水污泥15-40%,废纸浆3-10%,植物油脚2-6%,炉渣4-12%。
优选的,一种环保易燃型燃料棒,其配方的重量百分比如下:榆木锯末25-30%,榆木树皮15-25%,废碳粉8-10%,碱性纸浆废液3-5%,脱水污泥20-25%,废纸浆5-8%,植物油脚3-5%,炉渣5-10%。
作为对上述方案的进一步补充,所述废纸浆为未经脱墨处理的回收纸浆。
一种环保易燃型燃料棒的制作工艺,包括以下步骤:
(1)将脱水污泥、榆木树皮、碱性纸浆废液加入搅拌池中,并加入适量水调节混合物的水含量为30-35%,搅拌均匀后装袋,在28-32℃的条件下密封放置3-4天,得到混合物后,在70-80℃的条件下烘干至水分含量为8-10%,将其粉碎备用;
(2)将榆木锯末晾干后进行粉碎,过15-20目筛,让后将榆木锯末送入永磁筒吸附其金属微粒,所得榆木锯末含水量为8-10%;
(3)将榆木锯末和植物油脚混合后采用挤压式造粒,颗粒粒径为0.3-0.4mm;
(4)将所制得颗粒与混合物、废碳粉、废纸浆和炉渣进行混合,混合后送入挤压造粒机中,得到燃料棒。
作为对上述方案的进一步补充,所述步骤(3)中,在造粒过程中喷水进行调节,使造粒机内温度保持在85-90℃,造粒机物料压缩比为1:3。
作为对上述方案的进一步补充,所述步骤(4)中,所述步骤(4)中,在造粒过程中喷水进行调节,使造粒机内温度保持在70-80℃,造粒机物料压缩比为1:3。
其中,所述燃料棒为圆柱体,直径为6-8mm,高度为28-32mm。
将多种原料在高温条件下密封处理后,可以提高榆木树皮的灰熔点,通过永磁筒处理,可以有效除去部分碱金属,再经过两次挤压造粒,使燃料棒结构紧致,多方面处理结合降低了燃料棒的燃烧的结渣率,进而使其充分燃烧,减少粉尘排放。
本发明相比现有技术具有以下优点: 本发明中方法可以有效改善榆木树皮中的物质结构,保持碳元素,软化其纤维结构,使其易于加工成型;主要原料为榆木锯末和树皮,含硫量少于0.1%,灰分含量较低,在1.6-3.2%之间,容易燃烧,且燃烧时间长,绿色环保,比传统燃料减少40%左右的运行成本。
具体实施方式
实施例
一种环保易燃型燃料棒,其配方的重量百分比如下:榆木锯末26%,榆木树皮20%,废碳粉8%,碱性纸浆废液4%,脱水污泥24%,废纸浆6%,植物油脚4%,炉渣8%。
一种环保易燃型燃料棒的制作工艺,包括以下步骤:
(1)将脱水污泥、榆木树皮、碱性纸浆废液加入搅拌池中,并加入适量水调节混合物的水含量为30-35%,搅拌均匀后装袋,在28-32℃的条件下密封放置3-4天,得到混合物后,在70-80℃的条件下烘干至水分含量为8-10%,将其粉碎备用;
(2)将榆木锯末晾干后进行粉碎,过15-20目筛,让后将榆木锯末送入永磁筒吸附其金属微粒,所得榆木锯末含水量为8-10%;
(3)将榆木锯末和植物油脚混合后采用挤压式造粒,颗粒粒径为0.3-0.4mm;
其中,所述步骤(3)中,在造粒过程中喷水进行调节,使造粒机内温度保持在85-90℃,造粒机物料压缩比为1:3;
(4)将所制得颗粒与混合物、废碳粉、废纸浆和炉渣进行混合,混合后送入挤压造粒机中,得到燃料棒;
其中,所述步骤(4)中,在造粒过程中喷水进行调节,使造粒机内温度保持在70-80℃,造粒机物料压缩比为1:3。
本实施例制得的燃料棒为圆柱体,直径为8mm,高度为32mm。
为验证本发明中燃料棒效果,设立对照组,对照组按照本发明中材料组份,粉碎后混合,并用造粒机中挤压得到燃料棒,燃料棒的物料压缩比为1:3,直径和高度与实施例中相同;检测燃料棒的燃烧指标,具体数据如下:
项目 实施例 对照组
热值(Kcal/kg) 4200 3950
灰分(%) 1.5 5.3
挥发分(%) 85.2 82.5
燃烧率(%) 96.8 87.4
耐久性(%) 97.6 95.8
结渣率(%) 1.2 2.5
表1
从表1中数据可以看出,本发明中燃料棒燃烧性能好,能够长时间燃烧,贮存、运输方便,由于本发明中燃料经过相应处理,软化纤维,提高了成型燃料的致密性,减少结渣率,在燃烧后常规除尘即可满足环保要求,可用于加工食品的热风炉加热。

Claims (7)

1. 一种环保易燃型燃料棒,其特征在于,其配方的重量百分比如下:榆木锯末20-40%,榆木树皮10-30%,废碳粉5-12%,碱性纸浆废液2-6%,脱水污泥15-40%,废纸浆3-10%,植物油脚2-6%,炉渣4-12%。
2. 如权利要求1所述一种环保易燃型燃料棒,其特征在于,其配方的重量百分比如下:榆木锯末25-30%,榆木树皮15-25%,废碳粉8-10%,碱性纸浆废液3-5%,脱水污泥20-25%,废纸浆5-8%,植物油脚3-5%,炉渣5-10%。
3.如权利要求1所述一种环保易燃型燃料棒,其特征在于,所述废纸浆为未经脱墨处理的回收纸浆。
4. 一种如权利要求1所述环保易燃型燃料棒的制作工艺,其特征在于,包括以下步骤:
(1)将脱水污泥、榆木树皮、碱性纸浆废液加入搅拌池中,并加入适量水调节混合物的水含量为30-35%,搅拌均匀后装袋,在28-32℃的条件下密封放置3-4天,得到混合物后,在70-80℃的条件下烘干至水分含量为8-10%,将其粉碎备用;
(2)将榆木锯末晾干后进行粉碎,过15-20目筛,让后将榆木锯末送入永磁筒吸附其金属微粒,所得榆木锯末含水量为8-10%;
(3)将榆木锯末和植物油脚混合后采用挤压式造粒,颗粒粒径为0.3-0.4mm;
(4)将所制得颗粒与混合物、废碳粉、废纸浆和炉渣进行混合,混合后送入挤压造粒机中,得到燃料棒。
5.如权利要求4所述一种环保易燃型燃料棒的制作工艺,其特征在于,所述步骤(3)中,在造粒过程中喷水进行调节,使造粒机内温度保持在85-90℃,造粒机物料压缩比为1:3。
6. 如权利要求4所述一种环保易燃型燃料棒的制作工艺,其特征在于,所述步骤(4)中,在造粒过程中喷水进行调节,使造粒机内温度保持在70-80℃,造粒机物料压缩比为1:3。
7.如权利要求4所述一种环保易燃型燃料棒的制作工艺,其特征在于,所述燃料棒为圆柱体,直径为6-8mm,高度为28-32mm。
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CN104946338A (zh) * 2015-06-24 2015-09-30 遵义方之林再生能源有限公司 一种生物燃料及其制备方法

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CN106566588A (zh) * 2016-11-08 2017-04-19 湖南万容科技股份有限公司 一种利用污泥制备成型燃料的方法
CN109294670A (zh) * 2018-10-24 2019-02-01 定远县碧蓝山新能源有限公司 一种植物秸秆废弃物易燃生物质燃料
CN111911929A (zh) * 2020-09-02 2020-11-10 昆山市利群固废处理有限公司 一种燃料棒与液体危废配伍焚烧处理工艺

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