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沛_Q变废ؓ?渤v湑օD户的绿色养D经
“从腊月廿二开始,每天能出虑֛五千斤,又是一个丰收年Q都是沾了@环水L的光。”河北唐山市乐亭县向光v水养D场场长向光笑着说v春节期间的收成?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> 向光hLZ要养D南白对虾、比目鱼{?0多个品种的水产品。早在十几年前,L场就利用生物降解方式处理L废水?020q_L场徏成工厂化循环水养DR_L用水循环利用率达?0%以上?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
在@环水L车间入口处,记者看刎ͼ处理池中有一个像水R一L滚筒不停地旋转。a向光_水首先q入q个微o机,qo掉大颗粒的残余饵料、鱼虄便等Q然后进行脱氮处理、外线消杀Q处理后的尾水加热后回流到虾池@环用。少量排攄水q入专门处理车间Q达标后排放入v?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
“前期共投入500万元上了环保设施Q当时有Z理解。现在看来,通过环保ȝ反而增加了我们L场的效益。”a向光l记者算起了环保账,“过L人工换水Q从里抽水再进行处理和加温Q虾会有应激反应Q稍有不慎就会损害不。现在@环水的温度和水质保持恒定Q基本不会死虾了。南白对虾一q能M茬,基本上养一茬、保一茬,产量和品质都提高了一大截Q每公斤售h能高于市Zh4?0元。?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
水处理中生的热能也被充分回收利用。a向光_L场每隔一D|间需要补l少量v_冬天补给水温度低Q可以用水热能升温Q夏天则可以用低温尾水降温,又可以省下不电贏V?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
唐山是河北省水L大市Q全市拥有v岸线251.33公里Qv水水产养D面U?3万多亩,LM?4.7万吨。近q来Q随着渤vl合ȝd战的实施Q唐׃断提高v水养D环保治理标准,加快水L产业l色低碳转型Q养D户们纷U念起了“环保经”,在实现达标排攄同时增加L效益?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
在唐山曹妃甸惠通水产科技有限公司Q记者在L车间外看到大大小数十个沉淀池。公司徏立了水处理立体生态系l,促进L废水达标处理的同Ӟ也可以最大程度利用尾水效益?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
“我们徏立的是五U沉淀池系l。一、二U沉淀池用来养丰年虫,利用其o食性净化水质。三U沉淀池的水源里有量丰年虫,我们用来ȝ田虾。”公司办公室MQC喜说Q之后尾水再q入四、五U沉淀池,杀菌净化后入南美白对虑օDR间@环用。其中,一二三U沉淀池都在户外,l过日复一日的蒸发后变成高盐卤_会被送到附近h晒盐厂用于制盐?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
“现在不养D户已经到了生态养D的甜头Q尾水从让h头疼的废物变成了香饽饽。”唐山市水技术推q站党支部书记苏文清_唐山采取分类施治的办法,针对规模养D户Q倡导使用多沉淀池、生态沟渠净水治理等ȝ模式Q以较小的投资实现尾水的达标排放。目前,唐山已有q一半的L场实Cq样的“变废ؓ宝”?br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: none; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
来源Q新华社