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大唐托电:火力发电也要向绿色做加法

2017-09-05 06:31:53   中国青年网

在距离北京400多公里的地方,一家工厂正在24小时不间断地为北京供电。

生活在北京的大多数人并不知道,这个城市的电,有1/4来自位于内蒙古自治区呼和浩特市托克托县的大唐国际托克托发电有限责任公司(以下简称“大唐托电”)。

作为一家火力发电厂,大唐托电一期工程从2000年8月开工,7年内建成投产8台60万千瓦机组和2台30万千瓦机组。

今年2月25日,大唐托电第五期工程9、10号两台机组也正式投产发电。目前,大唐托电总装机达到672万千瓦,这个数字意味着它已经成为世界最大的单体火力发电厂。

回忆起20年前刚到这里的场景,大唐托电发电部副主任方亮的印象是:“一片荒凉,什么都没有”。

当时方亮只有24岁,是公司里的一位运行值班员。刚到托克托的时候,机组还没有搭建,员工们都在为生产做前期准备。2003年公司第一期项目开始运行,后来,一个又一个火力发电机组在这片区域拔地而起。“就像看着自己的孩子长大一样。”

大唐托电的火力发电依靠煤作为燃料,产生热能,通过发电动力装置转换成电能。目前,我国虽已采用风力、太阳能和核电等发电方式,但大量电能仍然来自火力发电。

火力发电长期以来被外界认为是造成环境污染的元凶之一。但在托电人看来,火力发电并非向污染做加法、向绿色做减法。只要通过一定的科学技术手段,在机组上装置减排设备,是可以既保供电、又保生态。

数据显示,与2015年相比,2016年大唐托电的二氧化硫、氮氧化合物和烟尘三项污染物排放量分别下降了2143吨、6096吨和253吨。

大唐托电公司党委书记王东升告诉记者,这些年,企业节能减排的脚步一直没有停过。按照国家要求,进入“十一五”期间,大唐托电开始了脱硫改造,2005~2008年,企业共投资11亿元安装了10台机组的石灰石-石膏湿法脱硫装置。“十二五”期间,企业开始进行脱硝改造。

2014年,国家发改委、环保部、国家能源局联合下发了《煤电节能减排升级与改造计划(2014-2020) 》,对火电厂提出了新的节能减排要求。因五期建设,9、10号两台机组采用了超超临界机组、单铺机、侧煤仓技术,在投产的过程中就已经实现了超低排放,托电公司开始对除了9、10号两台机组外的全厂10台机组进行超低排放改造。

目前已完成8台机组的改造,计划2017年全部完成改造。

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