【判断题】
进水的含盐量和树脂的再生程度对混床的出水水质和运行周期都有很大影响。
A. 对
B. 错
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答案
B
解析
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相关试题
【判断题】
我们俗称三废为:废水、废气和废热。
A. 对
B. 错
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离心泵出口阀开度变小则泵的流量下降,电流下降。
A. 对
B. 错
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化学水装置的混床再生时,阴阳离子交换树脂呈混合状态。
A. 对
B. 错
【判断题】
化学水装置的混床再生时,反洗步序的主要作用是冲出床层中截留的杂质。
A. 对
B. 错
【判断题】
因为阴离子交换树脂耐热性能好,所以在再生阴树脂时常采用伴热
A. 对
B. 错
【判断题】
化学水装置的混床再生时,通入压缩空气的主要作用是促进树脂颗粒摩擦,使树脂颗粒上附着的污染物脱落。
A. 对
B. 错
【判断题】
化学水装置混床再生时,盐酸从离子交换器的下部加注,碱液从离子交换器的上部加注。
A. 对
B. 错
【判断题】
若某种离子容易与树脂结合,则也容易被置换下来。
A. 对
B. 错
【判断题】
只需监督混床出水电导率,就可控制混床的失效点。
A. 对
B. 错
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再生三要素是再生时间、再生流速、再生浓度。
A. 对
B. 错
【判断题】
化学平衡时,如果增加反应物的浓度,可以破坏它的平衡。
A. 对
B. 错
【判断题】
在标准状况下,每摩尔的任何气体的体积都是22.4升。
A. 对
B. 错
【判断题】
盐酸能和金属氧化物反应生成盐和水。
A. 对
B. 错
【判断题】
提高水温,可以降低氧气在水中的溶解量。
A. 对
B. 错
【判断题】
电导率能判断水的纯度。
A. 对
B. 错
【判断题】
切换水泵时,应先启动备用泵,运行正常后,再停欲停水泵,然后调节负荷至所需。
A. 对
B. 错
【判断题】
为提高低温水的混凝效果常用的方法是增大加药量和投加高分子助凝剂。
A. 对
B. 错
【判断题】
一级离子交换除盐系统的单元制是指将一个H型交换器,一个除碳器和一个OH型交换器串联在一起,组成一个独立的运行系统。
A. 对
B. 错
【判断题】
采用逆流再生的离子交换器再生后,底层交换剂的含Na量对出水水质起着决定性的作用。
A. 对
B. 错
【判断题】
逆流再生工艺是指运行时,水流向下流动,再生时再生液向上,流动的对流水处理工艺。
A. 对
B. 错
【判断题】
混合床可以看作是由许许多多阴、阳树脂交错排列而组成的多级式复床。
A. 对
B. 错
【判断题】
混床反洗分层的目的,就是将运行中造成的破碎与正常颗粒的树脂完全分开,以防影响再生效果。
A. 对
B. 错
【判断题】
鼓风除碳器的作用是使水中的CO2随吹过的空气排入大气。
A. 对
B. 错
【判断题】
除碳器的设置对阳床除硅有利。
A. 对
B. 错
【判断题】
试车调试坚持高标准、严要求,做到“四不开车”(条件不具备不开车、程序不清楚不开车、指挥不在场不开车、出现问题不解决不开车),确保试车安全。
A. 对
B. 错
【判断题】
坚持“早试车、早投产”的原则,首先是工艺装置开工,其后确保安全环保设施尽早开工,这是试车工作的指导思想。
A. 对
B. 错
【判断题】
调试前冲洗设备时,冲洗管段,特别是出水口的工作情况,做好排水工作,并派人检查排水路线,有问题及时处理。
A. 对
B. 错
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酸雾吸收器的作用是节约用酸,回收利用。
A. 对
B. 错
【判断题】
树脂的离子交换速度主要取决于离子间的化学反应速度。
A. 对
B. 错
【判断题】
树脂颗粒的大小,对水处理工艺过程有较大影响。
A. 对
B. 错
【判断题】
使用化学仪表在测量过程中,偶然误差是不可避免的,也难以控制,只有增加平行测定次数,才能使其测定的平均值比较真实的接近真实值。
A. 对
B. 错
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树脂变质后,可通过复苏处理恢复树脂的交换能力。
A. 对
B. 错
【判断题】
阴阳浮床再生时,需将树脂移到树脂清洗罐中再生。
A. 对
B. 错
【判断题】
再生剂浓度的大小是通过自用水流量来调节的。
A. 对
B. 错
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电动机空载启动和带负载启动,启动电流是不一样的。
A. 对
B. 错
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混床失效时,出水的电导率和二氧化硅含量同时升高。
A. 对
B. 错
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混床反洗分层时流量越大分层越明显。
A. 对
B. 错
【判断题】
对锅炉化学清洗评价,主要是根据测定金属的腐蚀速度,钝化膜的质量和机组启动后的水汽质量。
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法兰连接中,垫片的主要作用是保护法兰。
A. 对
B. 错
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一般来说,树脂的颗粒越小,交换反应速度越快,但压力损失相应增大。
A. 对
B. 错
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