CN106190424A - 一种洁净煤添加剂的制备方法 - Google Patents
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- C10L9/00—Treating solid fuels to improve their combustion
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Abstract
本发明提供一种洁净煤添加剂的制备方法，由以下重量份数的原料制成：氧化钙60～75份、锌渣20～26份、铜渣2～5份、活化剂4～8份、稳定剂1～5份和硫铝酸钙1～3份。本发明洁净煤添加剂有效地降低了粉煤灰含碳量，而且还提高了以辐射传热为主的炉内热交换效率，锅炉蒸发量增加，另外，固硫矿相反应为放热反应，CaO与SO2反应过程放出大量热量，给锅炉补充了部分热量，强化煤炭燃烧，使锅炉煤耗平均降低5％以上，有效的降低了碳和CO排放量。
Description
技术领域
本发明属于煤炭领域，具体属于一种洁净煤添加剂的制备方法。
背景技术
环境污染被日益重视的今天，能源中的化石染料-煤，其燃烧产生的污染首当其冲。但是，煤是最廉价且储量最大的一种能源；随着可利用的煤不断的产出，利用价值很低的劣质煤也伴同产生且侵占了大量的土地，形成了新的污染和土地的浪费。为了克服上述不足，现在的做法是根据这种煤种的燃烧特性、发热量、挥发性及其着火、硫分、结渣性、燃尽等燃烧指标，将不同煤种按一定配比，并加入成型剂、固硫剂，生产不同性能的、燃烧完全的、污染物排放较少的洁净煤添加剂。
但是，如何进一步改善煤的燃烧质量、提高工业锅炉的炉膛温度和热效率、减少废渣废气的排放量、提高劣质煤甚至煤矿的废弃煤种的利用率，仍然具有重大意义。
发明内容
为了克服上述缺陷，本发明的目的在于提供一种洁净煤添加剂的制备方法。
为实现上述技术目的，本发明采用如下技术方案。
一种洁净煤添加剂的制备方法，由以下重量份数的原料制成：纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份，包括以下步骤：
(1)洁净煤添加剂的配制：将以下重量份数的原料纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份加入球磨机混合，球磨成的0.1～5mm的粉末，静置6～10h，即得洁净煤添加剂；
(2)将原煤破碎至粒径≤30mm；
(3)在步骤(2)原煤中加入步骤(1)洁净煤添加剂，混合均匀，即得产品；
进一步的，一种洁净煤添加剂的制备方法，所述固硫剂占原煤的重量百分比为3～10％，所述的固硫剂由以下重量份数的原料制成：纳米活性氢氧化钙60～70份、锌渣20～25份、铜渣2～3份、石膏4～5份、二氧化硅1～3份和硫铝酸钙1～2份。
进一步的，一种洁净煤添加剂的制备方法，由原煤和固硫剂配制而成，所述固硫剂占原煤的重量百分比为5％，所述的固硫剂由以下重量份数的原料制成：纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份。
本发明的有益效果如下：
1.本发明充分利用了工业废渣，减少了原料中纳米活性氢氧化钙的用量，实现了变废为宝，本发明固硫剂固硫效果好，本发明固硫剂固硫效果好，固硫剂颗粒直接且迅速地与煤燃烧过程中产生的SO2发生反应，抑制其随烟气排出，脱硫产物形成稳定的矿物赋存于改性产品中，脱硫效果远远好于石灰石，固硫率≥97％，使硫排放≤30mg/m3，基本实现零排放。
2.本发明洁净煤添加剂有效地降低了粉煤灰含碳量，而且还提高了以辐射传热为主的炉内热交换效率，锅炉蒸发量增加，另外，固硫矿相反应为放热反应，CaO与SO2反应过程放出大量热量，给锅炉补充了部分热量，强化煤炭燃烧，使锅炉煤耗平均降低5％以上，有效的降低了碳和CO排放量。
具体实施方式
下面结合实施例对本发明做详细说明
实施例1
一种洁净煤添加剂的制备方法，由原煤和固硫剂配制而成，所述固硫剂占原煤的重量百分比为2～10％，所述的固硫剂由以下重量份数的原料制成：纳米活性氢氧化钙60份、锌渣20份、铜渣2份、石膏4份、二氧化硅1份和硫铝酸钙1份。
洁净煤添加剂的制备方法的生产方法及使用方法，包括以下步骤：
(1)洁净煤添加剂的制备方法的配制：将以下重量份数的原料纳米活性氢氧化钙60份、锌渣20份、铜渣2份、石膏4份、二氧化硅1份和硫铝酸钙1份加入球磨机混合，球磨成的0.1～5mm的粉末，静置6～10h，即得洁净煤添加剂；
(2)将原煤破碎至粒径≤30mm；
(3)在步骤(2)原煤中加入步骤(1)洁净煤添加剂，混合均匀，即得产品。
Claims (3)
1.一种洁净煤添加剂的制备方法，其由以下重量份数的原料制成：纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份，包括以下步骤：将以下重量份数的原料纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份加入球磨机混合，球磨成的0.1～5mm的粉末，静置6～10h，即得洁净煤添加剂。
2.根据权利要求1所述的洁净煤添加剂的制备方法，其特征在于，其由以下重量份数的原料制成：纳米活性氢氧化钙60～70份、锌渣20～25份、铜渣2～3份、石膏4～5份、二氧化硅1～3份和硫铝酸钙1～2份。
3.一种洁净煤添加剂的制备方法，其特征在于，其由以下重量份数的原料制成：纳米活性氢氧化钙60～75份、锌渣20～26份、铜渣2～5份、石膏4～8份、二氧化硅1～5份和硫铝酸钙1～3份。
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176618A (zh) * | 2015-10-20 | 2015-12-23 | 张保森 | 一种洁净煤及其生产方法 |
| CN105198250A (zh) * | 2015-10-20 | 2015-12-30 | 河南理工大学 | 一种固硫灰渣水泥及其制备方法 |
| CN105199809A (zh) * | 2015-10-20 | 2015-12-30 | 张保森 | 一种燃煤用固硫剂及其制备方法 |
| CN105276576A (zh) * | 2015-10-20 | 2016-01-27 | 张保森 | 一种燃煤脱硫工艺 |
| CN105733724A (zh) * | 2016-01-12 | 2016-07-06 | 韩秀峰 | 一种具备脱硫效果的固硫、高效燃烧的洁净煤及制备方法 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176618A (zh) * | 2015-10-20 | 2015-12-23 | 张保森 | 一种洁净煤及其生产方法 |
| CN105198250A (zh) * | 2015-10-20 | 2015-12-30 | 河南理工大学 | 一种固硫灰渣水泥及其制备方法 |
| CN105199809A (zh) * | 2015-10-20 | 2015-12-30 | 张保森 | 一种燃煤用固硫剂及其制备方法 |
| CN105276576A (zh) * | 2015-10-20 | 2016-01-27 | 张保森 | 一种燃煤脱硫工艺 |
| CN105733724A (zh) * | 2016-01-12 | 2016-07-06 | 韩秀峰 | 一种具备脱硫效果的固硫、高效燃烧的洁净煤及制备方法 |
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