Some issues relating to the lead-sealing of the pollution discharge equipment onboard ships in the Bohai Sea and measures to be taken;
渤海海域船舶排污设备铅封所面临的问题及对策
The production output,the pollution discharge and the energy cost are contrasted before and after the carrying-out of Positive Pole Roaster Cleaner Production Technology.
将阳极焙烧炉清洁生产工艺实施前后产品的量、排污量及能耗等进行对比分析,结果表明:该工艺可操作性强,阳极产量提高27。
The characteristics of water environmental carrying capacity of critical section of Yellow River were analyzed based on the characteristics of water resources,the situation of water environment and pollution discharge,and the definition of water environmental carrying capacity and its influencing factors.
在界定水环境承载能力内涵及其影响因素的基础上,结合黄河重点河段水资源特征、水环境和排污状况,分析黄河重点河段水环境承载能力的特点,提出以水功能区管理为依据、总量控制为手段、水污染防治为根本的思路,通过工程、非工程措施来提高黄河水环境承载能力,以达到保护黄河水资源,实现流域社会经济增长和水资源保护相协调的可持续发展目的。
The investigation and research on the blow down and water quality of Fen River upstream;
汾河上游排污及水质状况调查研究
It is indicated that the silica concentration of boiler water mainly is determined by the silica concentration of feed water and the blow down ratio of boiler.
对炉水含硅量随各种影响因素变化的规律进行分析 ,指出影响炉水含硅量的主要因素是给水的含硅量和锅炉的排污率 ,在不同压力等级的锅炉中 ,两者对炉水含硅量的影响程度有很大差别 ;若某一时刻锅炉的给水硅、给水量、排污量之中的任一指标或全部发生了变化 ,炉水硅将按照指数规律向新的平衡值过渡 ,过渡时间长达3～ 5h 。
Analyses problems of boiler regularity blow down control system which is controlled by relay, describes control process and characteristic of the system using PC.
分析了利用继电器实现锅炉定期排污控制系统存在的问题，阐述了采用PC机改进后的该系统控制过程及特点。
Research of Predicting of Multiobjective Programming of Coordination of Total Production—Waste Drainage—Water Quality of the Area;
多目标规划在预测区域总产值—排污—水质协调解中的应用研究
The Drainage Information System;
排污业务信息系统的设计与实现
, waste heat heating of boiler drainage water and winter heating by improving central air conditioning system.
介绍了利用锅炉排污水的余热采暖及中央空调改造进行冬季采暖两项节能措施。
The samples were collected at several layer of sea water at six sites among them, meanwhile, domestic sewage of Zhongshan Station was monitored hourly for two days at the mouth of a drain pipe located at the beach near Zhongshan Station.
1998年 1 2月 1 1日至 1 999年 1月 1 3日在中山站近岸海域进行了一次较为全面的生态环境监测 ,监测内容包括∶ p H、T、盐度 (电导率 )、浊度、DO、COD、营养盐 (NO3 - N、NO2 - N、NH4 -N和 PO4 - P)和叶绿素 ,部分监测站位海水样品分层采集 ;其间还进行两次中山站区排污口生活污水连续 2 4小时监测。
Introduce the application of drain system of CE-I Series PC control in the boiler of power plant.
介绍了GE -I系列PC控制在电厂的锅炉排污系统的应用 。
Example analyses of heat recovery from blowdown for small steam boilers;
小型蒸汽锅炉排污热回收实例分析
According to the revision of regulations on pollutant discharge fee,this article analyzed the influences upon economy benefits and environmental protection in coal-fire power plant,and introduce the change occurred in four aspects:charge objects,change style,charge limitation and fund management,summarizes four new feature of blowdown charge system.
指出原《征收排污费暂行办法》在实施过程中存在4个方面的问题,介绍新施行的《排污费征收使用管理条例》在征收对象、收费形式、征收权限和资金管理等方面发生的主要变化,概括新排污收费制度的4个特点;针对燃煤电厂以大气污染为主的特点,进一步分析对燃煤电厂发电成本和经济效益、污染治理和环境保护方面所产生的影响。
In the cooling water system, to newly install the blowdown valve and back washing valve; launch regular blowdown and back washing, and in the lubrication oi1 station to newly install the cooler, after these measures were implemented, the poor cooling effect of o.
通过在冷却水系统中加装排污门和反冲洗门以进行定期排污、反冲洗,以及在润滑油站增加冷却器等改造,消除了油站冷却效果差,油温高的隐患。