华新水泥(赤壁)公司的绿色追梦记:会呼吸的绿色工厂

2023-11-09 16:06:25

11月6日,走进位于赤壁高新区的华新水泥(赤壁)有限公司,宽阔平坦的柏油路,高大漂亮的厂房,郁郁葱葱的树木,大气唯美的喷泉,无不令人心情愉悦,仿佛置身一个绿色花园。

11月6日,走进位于赤壁高新区的华新水泥(赤壁)有限公司,宽阔平坦的柏油路,高大漂亮的厂房,郁郁葱葱的树木,大气唯美的喷泉,无不令人心情愉悦,仿佛置身一个绿色花园。

近年来,华新水泥以“清洁我们的生活环境、提供信赖的建筑材料”为使命,努力打造用地集约化、原料无害化、生产洁净化、废物资源化、能源低碳化的全生命周期绿色工厂,吹响了绿色转型高质量发展的号角,并成功跻身国家级“绿色工厂”。

绿色立企绘底色

在华新水泥(赤壁)有限公司质量控制部,员工程万里刚检查完现场就累得满头大汗,正准备去开空调降温,就被同事提醒“现在气温低于25摄氏度,不能开”。程万里“知难而退”。

“一点一滴深挖潜,一分一厘巧增效。”原来,这是公司今年开展的“绿色节能”实践活动,以促成低消耗、低排放和高效率的节约型增长方式,逐渐突破节能效益的瓶颈。

十几年前,赤壁市石灰石资源十分丰富,然而,由于工艺落后,当地水泥厂只能靠传统立窑生产水泥,污染较大,属于行业将淘汰的小水泥厂。

为根本扭转这一局面,华新水泥(赤壁)有限公司于2007年应运而生,起步就高标准建设一条日产4000吨水泥熟料的新型干法水泥生产线,并陆续配套建设7.5MW水泥窑纯低温余热发电项目,水泥窑协同处置500吨城市生活垃圾的环保项目及年产300万吨骨料生产线和100万方混凝土生产线。

经了解,工厂建立之初,日产4000吨熟料水泥生产线窑头窑尾余热废气资源除作原料烘干热源外,直接经过除尘后,外排到大气中。尽管粉尘气体排放达到国家规定的粉尘气体排放标准,但大量的废气余热资源得不到充分的利用,造成了资源的浪费。

为此,2009年,经公司立项,生产线配备7.5MW纯低温余热发电机组,充分利用窑头、窑尾排放的废热资源进行发电。项目实施后,在生产线共设置46个收尘点(套),配备国内先进、可靠、高效的袋式收尘器,并接着配备了SNCR脱硝设施,并在窑头、窑尾安装了污染源在线监测装置,并与环保系统联网,实时监控。

如今,项目的建成与长期稳定运行,既避免了新增粉尘气体的排放,又极大地提高资源的综合利用效率,降低了公司的生产成本。

绿色强企展风采

如何在生产过程中变清洁,能耗也要降低?

近年来,该公司从基础设施、管理体系、能源资源投入、产品情况以及环境排放情况等方面积极开展国家级“绿色工厂”创建工作,不断加大技改投入,优化工艺流程,强化环保设备运行质效,提升产品质量,促进节能减排降耗,推动企业向运营高效、资源节约、环境友好的发展方向迈进。

该公司在生产运营中,坚持“抓源头治理、控制中间过程、提高末端处理水平”的思路,从生产的负荷、周期、工艺指标等多方面着手,从污染源头上控制污染,采取措施努力做到标本兼治,构建低消耗、少污染的现代生产体系,达到节约能源、减少污染,促进公司环保效益与经济效益双提高,逐步实现“装备现代化、资源节约化、环境友好化”。

2020年9月,公司成功申报建设国家工业企业能源管理中心建设示范项目。结合企业电力、煤、柴油、蒸汽和水等计量器具配备相对完善,生产线DCS控制系统比较完备的有利条件,该项目以自有软件、实时监控系统软件及开放性关系型数据库为基础,全面整合生料、熟料、水泥三大生产系统能源介质的各种信息,涵盖能源的采购、储存、输配、消耗、转换等环节,实现能源使用的精细化、自动化和信息化管理。

目前,通过能源管理中心的有效监控,公司在日常生产中实现“问题及时发现、及时解决”,自身能耗“讲得清、控得住、降得下”,在具体环节中实现能源的高效和梯级利用目标,减少了能源浪费,遏制了能源消费总量增长过快的趋势,提高了能源系统安全稳定运行水平。

“对企业来说,绿色发展不是负担,而是增强了竞争力。”华新水泥(赤壁)有限公司总经理郑桂林介绍,凭借出色的经营能力和工厂管理水平,该公司创造出一项项骄人成绩。

近年来,公司克服煤价上涨、水泥价格低迷等困难,实现产销两旺,促成低消耗、低排放和高效率的节约型增长方式,为赤壁经济社会高质量发展作出贡献。

绿色兴企赢未来

近年来,随着高质量发展转型和双碳目标的推进,“绿色制造”已经成为推动制造行业转型升级的必由之路。

“华新赤壁环保工厂”就是这项绿色制造工程的产物。记者在公司看到,一辆来自赤壁城区的密封环卫车缓缓驶进环保工厂垃圾预处理车间。随后,垃圾被机械抓斗送往分拣破碎系统,其中的易拉罐、铁丝等废弃金属被除铁系统集中回收,而更多的有机质、可燃物经过破碎、干化等流程,作为燃料送入水泥窑协同处置……生态高效处置如同变魔术一般,让人印象深刻。

一直以来,公司积极开展循环经济建设,摸索固体废物的处置经验,引进、消化、推广应用固体废物处置技术,不断提高资源综合利用率,在固体废物综合利用方面取得了良好成效。

2013年5月,为解决生活垃圾“围城”“围村”等难题,该公司争当“环保先锋”,投资5300多万元建成国内领先的水泥窑协同处置城市生活垃圾项目。项目利用水泥窑内高温煅烧技术,解决了其它垃圾处置技术无法根除的二恶英、呋喃污染等问题,可每天对500吨城乡生活垃圾实现无害化、减量化、资源化处置。据统计,仅2021年,该公司就无害化处理生活垃圾12多万吨,不仅减少了污染,也极大地提高了能源利用效率和资源循环利用率。

在利用水泥窑高温协同处置城市垃圾的同时,该公司每年投入专项资金,努力守护鄂南地区绿水青山,积极打造花园工厂,向周边居民交出“靓丽环保答卷”。多次挖建排水渠,先后种植树木600多棵,在美化矿山环境的同时稳定边坡地质状态。通过十几年持之以恒的生态绿化建设,确保了厂区树常青、草常绿、景常在。

去年,华新水泥成功跻身国家级“绿色工厂”。

“一个优秀的企业不仅要提供优质的服务和产品,还应该竭尽全力使我们生活的环境变得更加安全、和谐、美好。”谈到未来发展,郑桂林表示,公司将追求绿色文明、生态文明,通过领跑绿色经济,智赢未来,为美丽中国增添一抹亮色。

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赤峰山水远航水泥有限公司作为山水集团大型水泥熟料基地和全链条发展根据地之一,致力打造智能化、绿色化、新型化生产线,目前骨料生产线建设已完成并达到预定可投产状态。

2023-06-09 09:31:16

In order to survive and develop in the fierce market competition, cement enterprises must abandon the illusion of relying on others to "give" opportunities, and win the recognition and respect of the market through self-innovation and promotion.