小型传染病医院废水处理设备装置
特殊废水处理技术
1 酸性废水处理
医院酸性废水主要来自于检验项目或化学清洗剂。
酸性废水腐蚀排水管道，与金属反应产生氢气，浓度较高时与水接触放热，与盐类接触发生爆炸。
酸性废水引起废水整体pH值的变化，也会引起和促成其他化学物质的变化。
氮化钠等物质在酸性条件下能生成叠氮化钠（NaN3），引起爆炸，且有很强的毒性。
对酸性废水常采用中和处理。以氢氧化钠、石灰作为中和剂，加入酸性废水中通过搅拌达到目的。
2 含氰废水处理
医院在检验和化学检查分析中常使用氰化物，由此而产生含氰废水和废液。氰化物对人和其他动物都有很强的毒性。
氰化物对人的致死剂量平均为几十至一百多mg。
含氰废水常用的处理方法有：化学氧化法、电解法、离子交换法、活性炭吸附法和生物处理法等。
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工艺流程：对于综合医院(不带传染病房)污水处理可采用“预处理→一级强化处理→消毒”的工艺。通过混凝沉淀(过滤)去除携带病毒、病菌的颗粒物，提高消毒效果并降低消毒剂的用量,三层TPEP涂层越性能主要是由于它将底层环氧粉末、中间层粘接剂和外层聚乙烯有机地结合成了一个整体，从而使该涂层具有熔结环氧粉末(FBE)涂层和聚乙烯涂层的优点
小型传染病医院废水处理设备装置
(五)主机设备：每二年对生物载体填料、曝气器进行保养一次,所以本次我们共邀请了5名省内外的专家进行方案评审、专家从项目提升方案的工艺方法、工艺流程及可行性等方面进行了论证，并通过沟通交流、答疑解惑、提出意见等方式现场优选方案，使方案更加科学化、规范化，更好的达到预期效果,消毒可采用巴氏蒸汽消毒或投加石灰等方式,After hydrolysis and acidification, the wastewater enters oxygen-poor tank, contact oxidation tank and secondary sedimentation tank in order to circulate, so that the wastewater is in the environment of anoxic and oxygen-enriched cycle transformation, and the following transformation can be achieved.- Denitrification; converting organic nitrogen into ammonia nitrogen, transforming ammonia nitrogen into nitrite nitrogen and nitrate nitrogen through aerobic microbial nitrification bacteria, and then transforming nitrite nitrogen and nitrate nitrogen into nitrogen through anaerobic microbial denitrification bacteria, escaping from sewage- phosphorus removal; high phosphorus content sludge is formed by phosphorus accumulating bacteria releasing phosphorus in anoxic environment and absorbing excessive phosphorus in oxygen-rich environment.- Degrading organic matter thoroughly; On the basis of hydrolysis acidification, utilizing the characteristics of rapid propagation of aerobic microorganisms in oxygen-rich environment and rapid propagation of anaerobic microorganisms in anoxic environment, degrading organic matter in turn and transforming it into sludge(3) Disinfection of sewage to meet discharge standards(4) Regular removal of sludgeThe characteristics of sewage treatment methods in small and medium-sized hospitals are as follows: the volume of the oxygen-poor pool is much smaller than that of the contact oxidation pool. When the sewage circulates, the residence time in the oxygen-poor pool is very short, while the residence time in the contact oxidation pool is very long, so that the sludge produced by biochemical treatment is mainly deposited in the contact oxidation pool.The characteristics of sewage treatment methods in small and medium-sized hospitals are as follows: the oxygen-poor pool is composed of adjusting aeration pool and anoxic pool in series. The two pools are connected structure. By changing the aeration degree of the adjusting aeration pool, the sewage is fully mixed and the water is uniform.4. The sewage treatment method for small and medium-sized hospitals as described in claim 3 is characterized in that the sewage treatment station also includes a sludge concentration pond which is connected with a contact oxidation pond, and the sludge concentration pond is e with a reflux pipe.与调节曝气池连通，回流管路上配有回水泵，开启回水泵，将污泥浓缩池的上层污水泵回调节曝气池，使下层的污泥浓缩，也使接触氧化池中的污泥持续进入污泥浓缩池The characteristics of sewage treatment methods in small and medium-sized hospitals are as follows: chlorine dioxide is injected into the drainage pipe of secondary sedimentation tank; chlorine dioxide flow rate is accurately measured by metering pump to reduce residual chlorine residue; at the same time, water body is sufficiently mixed from the contact oxidation tank and aerated by blower to reduce dosage.6. The small and medium-sized hospital sewage treatment method described in Fig. 4 is characterized by that the sewage return flow R = 1:1, i.e. the sewage circulation flow: the treated discharge flow = 1:1.At present, the total number of medical units above county level (including industrial and mining enterprises hospitals, military hospitals, private hospitals and Sino-foreign joint venture hospitals, etc.) in our country (except Hong Kong Special Administrative Region, Macao Special Administrative Region and Taiwan region) is about 21,000, of which 1041 are tertiary first-class hospitals, accounting for about 5% of the total number of hospitals, 90% of which are small and medium-sized hospitals below secondary level, relatively speaking, large hospitals. All of them have more standardized wastewater treatment systems, and are e with professional maintenance and management. However, due to the reasons of fund, operation cost and personnel , a large number of small and medium-sized medical institutions are weak in the construction of medical wastewater treatment facilities, and their operation is not completely normal, which is a difficult and important point in current pollution control.The sewage discharged by hospitals consists of two parts, one is domestic wastewater, the pollutants are mainly organic matter, the other is medical wastewater, the pollutants are mainly nitrogen, phosphorus and so on. At present, most of the small and medium-sized medical institutions in our country generally adopt the first-level intensified treatment. The typical process is as follows.The characteristic of the first-level intensification process is that it can effectively control pathogens through disinfection process, but the removal effect of COD and BOD is not good and can not meet the re of environmental protection.In recent years, with the progress of social economy and the improvement of people"s awareness of environmental protection, more and more small and medium-sized medical institutions have built a number of secondary biochemical treatment facilities. The processes adopted include A/O, SBR, oxidation ditch and contact oxidation.As can be seen from Table 1, three biological treatment methods, A/O, SBR and oxidation ditch, all have good treatment effect.However, for small and medium-sized medical institutions, due to the lack of funds and managers, there may be insufficient funds in the actual implementation process, or there may be inadequate management and excessive discharge.Relatively speaking, contact oxidation method is more suitable for sewage treatment in small and medium-sized medical institutions, but contact oxidation method lacks oxygen-deficient stage, so the ability of denitrification is weak. Nitrogen in effluent is basically converted to nitrate, ammonia nitrogen may reach the standard, and the essence of total nitrogen has not been removed.The purpose is to overcome the shortcomings of the above-mentioned treatment methods and provide a more suitable treatment method for sewage treatment in small and medium-sized hospitals. The treatment process of this method is simple, occupies less land, has low construction investment and operation cost. It can not only meet the sewage treatment standards, but also is easy to operate and manage, and has low re for the of operators.
小型传染病医院废水处理设备
影响氯化消毒的因素
从工程设计和运行管理的角度出发，特别应该考虑的主要因素包括：氯与处理水的混合程度、接触时间、余氯量、污水的处理程度及水质状况等。
(1)污水处理程度对消毒效果的影响
污水在消毒之前需要经过预处理，污水中含有的各种无机及有机的污染物质不但会大量消耗消毒剂，而且会影响和降低消毒剂与细菌的接触和消毒效果。
污水经过不同程度的处理，不但能改善水质，减少水中污染物的含量，而且可以去除和降低污水中微生物的含量。
(2)氯与污水混合程度对消毒效果的影响
消毒剂通过与污水充分混合才能作用于微生物个体，从而杀灭微生物，所以快速的充分混合是保证消毒效果、提高杀菌效率的重要一环。
小型传染病医院废水处理设备
传染病医院必须采用二级处理，并需进行预消毒处理,三层TPEP涂层越性能主要是由于它将底层环氧粉末、中间层粘接剂和外层聚乙烯有机地结合成了一个整体，从而使该涂层具有熔结环氧粉末(FBE)涂层和聚乙烯涂层的优点,1.本设备设置控制屏集中控制，风机、水泵以自控为主，人工操作为辅
