。工厂门前假山叠嶂，道路两旁百花争艳，炼铁炉旁惬意品茶……深入其中，已然忘却置身于省邯郸市的一家钢铁企业。邯郸市生态环境局的一名同志说：“这么美的钢铁企业邯郸可不止一家，大家现在都在打造花园式工厂，争取达到3A级旅游景区的标准。”
深度治理，“环保就是生产力”
“前年我们去看裕华钢铁的高炉时，呛得都没法待，不料短短一年，就被当做样本，在全市推广。”邯郸市生态环境局副局长李根虎感叹道。
一直以来，“钢城煤都”是邯郸的标签。全市炼铁产能4459万吨、炼钢产能4184万吨、焦化产能2434万吨，这些污染排放量占全市工业总污染排放量的80%以上。牵住这些污染排放的大户，也就相当于抓住了邯郸污染治理的“牛鼻子”。
为了打好这场“铆足劲”的战役，2017年，在全国范围内广泛调研寻找深度治理成功案例；发现国内目前有三种技术对钢铁、焦化行业有帮助。“当时我们的想法是，由于臭氧治理技术不成熟，所以我们准备提供活性焦技术和SCR脱硝技术，让企业自己挑选。”
自2018年2月起开始部署；同年5月印发《超低排放改造实施方案》，明确规定了措施、技术路线、标准规范及完成时限。“标准倒逼，上下齐心协力。”多次深入调研指导，同时由专家团队为重点行业制定了一企一策，全市工作有条不紊。
观念转变，“环保就是生产力”
对steel enterprises, 在 steel production process, the sintering process emits more pollutants and larger quantities, accounting for 70% of total industrial pollution. New Steel invested 4 billion yuan to build two sets of active coke systems, handling particulate matter, sulfur dioxide and nitrogen oxides below 10 mg/m³, 35 mg/m³ and 100 mg/m³ respectively.
In advanced governance technologies before us, operational costs are also a focus for enterprises. "We must think about it from another angle," said Xin Jingchang from New Steel's energy and environmental department. "Although operational costs rise, we save on environmental taxes." In autumn-winter seasons when environment protection was in effect nationwide except during heavy air pollution warnings period; they were able to maintain full production capacity due to their excellent environmental record.
The city government introduced differential control mechanisms that allowed companies meeting ultra-low emissions standards for nitrogen oxides (NOx), particulate matter (PM) and sulfur dioxide (SO2), railway transportation up to national standards while managing enterprise management and unorganized emissions according to requirements; these firms were granted green lights during peak production periods aiding their development.
As seen in this shift of perspective - "I want environmental protection" turned into "Environmental protection is my priority" - enterprises have changed their views on protecting the environment as an essential part of productivity growth.
In summary,
The transformation towards cleaner production has been significant with investments totaling RMB8.5 billion by New Steel Wu'an Industrial Zone Environmental Governance Technology Upgrade Project completing a total of 69 tasks reducing PM2.5/PM10 emissions by 350 tons/year SOx by1 ton/year NOx by2750 tons/year.
River Steel HanSteel completed super low-emission upgrades on four sintering machines in one year after which they upgraded four more machines with smoke gas classification recycling purification & heat utilization upgrade projects.
HuaFeng Energy Technology Co., Ltd invested nearly RMB3.6 billion building multiple sets of coking gas desulfurization denitrification devices plus process control & sales devices coal gas upgrading modification projects & deep desulfurization systems.
Xinxin Iron & Steel Co., Ltd invested RMB1.2 billion installing three sets of denitration & decoloration equipment on three sintering machines......
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