CN108503100B - 循环水杀菌电解除垢方法 - Google Patents

循环水杀菌电解除垢方法 Download PDF

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CN108503100B
CN108503100B CN201810326113.9A CN201810326113A CN108503100B CN 108503100 B CN108503100 B CN 108503100B CN 201810326113 A CN201810326113 A CN 201810326113A CN 108503100 B CN108503100 B CN 108503100B
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water
electrolytic
descaling
scale
barrel
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CN108503100A (zh
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韩柏平
吴嵚磊
朱关慰
朱永财
胡晓一
丁惠忠
唐涛
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Han Baiping
Jiangsu Jiguantong Environmental Protection Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4602Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Abstract

本发明涉及一种循环水杀菌电解除垢方法,其特征在于:所述方法包括:步骤一、预处理,将待处理水接入预处理罐处理,去除水体中颗粒物、浊度和有机物;步骤二、电解反应杀菌;预处理后的水进入电解反应堆总进水管,然后通过连接在总管上的支管分别进入微电解桶电解杀菌,阻断了微生物引发的污垢,之后,汇流至总出水管;步骤三、除垢器除垢;步骤四、集垢器除垢。本发明循环水杀菌电解除垢方法,除垢效果好,不会产生二次水体污染,环保节能。

Description

循环水杀菌电解除垢方法
技术领域
本发明涉及循环水系统电解处理后的阻垢防垢技术,具体涉及一种循环水杀菌电解除垢方法,适用于循环冷却水系统的水质处理。
背景技术
循环水处理除垢系统适用于工业循环水处理、冷却水处理、中央空调循环水处理、电厂循环水处理等众多循环冷却水处理领域。目前对循环水系统的除垢、缓蚀、杀菌通常采用化学方法或者电子技术方法。采用化学方法,是在循环水中增加阻垢剂、防腐剂等化学药剂,不仅费用高,而且由于引进新的化学药剂,会对水体造成二次污染;采用电子技术处理方法,如电子除垢仪等除垢装置除垢效果不直观,效果不明显,不能从根本上控制循环水系统结垢,腐蚀,菌藻滋生,水质恶化,浓缩倍数超标等问题,不能使循环水系统始终处于优良稳定状态。
发明内容
本发明的目的在于克服上述不足,提供一种除垢效果好,无需添加化学试剂,环保节能的循环水杀菌电解除垢方法。
本发明的目的是这样实现的:一种循环水杀菌电解除垢方法,所述方法包括如下步骤:
步骤一、预处理
将待处理水接入预处理罐处理,去除水体中颗粒物、浊度和有机物,预处理罐采用石英砂填料,必要时,在预处理罐进水管道增加絮凝剂;
步骤二、电解反应杀菌
电解反应杀菌采用撬装式电解反应堆,其由多个立式微电解桶并联设置构成,所述微电解桶包括桶体,所述桶体内竖直设置电极板组件;总进水管通过支管分别与每个微电解桶相连,各微电解桶的出水管也并入总出水管;
预处理后的水进入电解反应堆总进水管,然后通过连接在总管上的支管分别进入微电解桶电解杀菌,阻断了微生物引发的污垢,之后,汇流至总出水管;杀菌效率达到99.99%;
由于各微电解桶为并联设置,更换便捷,不影响生产。
步骤三、除垢器除垢
杀菌后的水进入除垢器,经过电解槽电解除垢;电解槽电极表面产生OH-,主机内pH值升高,使得水体中钙离子附着于电极表面,形成结垢,减少进入后续循环水体中的钙离子,电极表面结垢后,采用梳式刮板定期刮除,被刮除的水垢随着水流流入到集垢器中。
发生如下反应:
O2+2H2O+4e- → 4OH-
步骤四、集垢器除垢
除垢器处理后的含有碳酸钙晶体的水进入集垢器罐体,罐体内设置棒式电极组件,且罐体内填装有钢丝球,在电极组件作用下进一步电解,钙离子电解后吸附于钢丝球表面,慢慢长大,处理后的水从出水口流出后进入循环体系。
本发明的基本原理为:
当溶液的饱和比超过一定数值时,沉淀才会形成。
根据易成垢离子优先去除的原理,只要去除过量部分的钙离子,那么结垢的反应就不会发生。反应如下:
在电场作用下,Ca2+被优先析出形成疏松文石。
Ca2++HCO3 -+OH- →CaCO3(s)+H2O
最活跃的那部分钙离子先被去除,因而改变了溶液的饱和比,结垢就不再成为可能了。
因此,完全无须大动干戈去除全部的Ca2+,就能够消除结垢问题,这就是本发明独有的特点。
本发明的有益效果是:
本发明循环水杀菌电解除垢方法,除垢效果好,无需添加化学试剂,环保节能。
具体实施方式
本发明的循环水杀菌电解除垢方法,所述方法包括如下步骤:
所述方法包括如下步骤:
步骤一、预处理
将待处理水接入预处理罐处理,去除水体中颗粒物、浊度和有机物,预处理罐采用石英砂填料,必要时,在预处理罐进水管道增加絮凝剂;
步骤二、电解反应杀菌
电解反应杀菌采用撬装式电解反应堆,其由多个立式微电解桶并联设置构成,所述微电解桶包括桶体,所述桶体内竖直设置电极板组件;总进水管通过支管分别与每个微电解桶相连,各微电解桶的出水管也并入总出水管;
预处理后的水进入电解反应堆总进水管,然后通过连接在总管上的支管分别进入微电解桶电解杀菌,阻断了微生物引发的污垢,之后,汇流至总出水管;杀菌效率达到99.99%;
由于各微电解桶为并联设置,更换便捷,不影响生产。
步骤三、除垢器除垢
杀菌后的水进入除垢器,经过电解槽电解除垢;电解槽电极表面产生OH-,主机内pH值升高,使得水体中钙离子附着于电极表面,形成结垢,减少进入后续循环水体中的钙离子,电极表面结垢后,采用梳式刮板定期刮除,被刮除的水垢随着水流流入到集垢器中。
发生如下反应:
O2+2H2O+4e- → 4OH-
步骤四、集垢器除垢
除垢器处理后的含有碳酸钙晶体的水进入集垢器罐体,罐体内设置棒式电极组件,且罐体内填装有钢丝球,在电极组件作用下进一步电解,钙离子电解后吸附于钢丝球表面,慢慢长大,处理后的水从出水口流出后进入循环体系。
由于易结垢的钙离子被截留,后续进入循环体系的水就可以避免结垢现象。除垢效果好,不会产生二次水体污染。

Claims (4)

1.一种循环水杀菌电解除垢方法,其特征在于:所述方法包括如下步骤:
步骤一、预处理
将待处理水接入预处理罐处理,去除水体中颗粒物、浊度和有机物;
步骤二、电解反应杀菌
预处理后的水进入电解反应堆总进水管,然后通过连接在总管上的支管分别进入微电解桶电解杀菌,阻断了微生物引发的污垢,之后,汇流至总出水管;
步骤三、除垢器除垢
杀菌后的水进入除垢器,经过电解槽电解除垢;电解槽电极表面产生OH-,主机内pH值升高,使得水体中钙离子附着于电极表面,形成结垢,减少进入后续循环水体中的钙离子,电极表面结垢后,采用梳式刮板定期刮除,被刮除的水垢随着水流流入到集垢器中;
步骤四、集垢器除垢
除垢器处理后的含有碳酸钙晶体的水进入集垢器罐体,罐体内设置棒式电极组件,且罐体内填装有钢丝球,在电极组件作用下进一步电解,钙离子电解后吸附于钢丝球表面,慢慢长大,处理后的水从出水口流出后进入循环体系;
其中,步骤二中,电解反应杀菌采用电解反应堆,其由多个立式微电解桶并联设置构成,总进水管通过支管分别与每个微电解桶相连,各微电解桶的出水管也并入总出水管;所述微电解桶包括桶体,所述桶体内竖直设置电极板组件。
2.根据权利要求1所述的一种循环水杀菌电解除垢方法,其特征在于: 步骤一中,预处理罐采用石英砂填料。
3.根据权利要求2所述的一种循环水杀菌电解除垢方法,其特征在于:在预处理罐进水管道增加絮凝剂。
4.根据权利要求1所述的一种循环水杀菌电解除垢方法,其特征在于:所述步骤二中,电解反应杀菌采用撬装式电解反应堆。
CN201810326113.9A 2018-04-12 2018-04-12 循环水杀菌电解除垢方法 Expired - Fee Related CN108503100B (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201031165Y (zh) * 2007-01-29 2008-03-05 同济大学 微晶旁流水处理器
CN104876384A (zh) * 2015-05-20 2015-09-02 洛阳金邦博环保科技有限公司 一种工业循环水零排放处理系统及方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201031165Y (zh) * 2007-01-29 2008-03-05 同济大学 微晶旁流水处理器
CN104876384A (zh) * 2015-05-20 2015-09-02 洛阳金邦博环保科技有限公司 一种工业循环水零排放处理系统及方法

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