一.医院污水的来源
医院排放废水的主要部门和设施有：诊疗室、化验室、病房、洗衣房、X光洗印、同位素治疗诊断室、手术室等；
还包含医院行政管理和医务人员排放的生活污水、食堂、宿舍排水。
二医院污水的水量
医院及医疗机构的性质和规模不同。则其排放污水的量也有所不同。
医院内部各个不同的部门和设施排放污水的水量也有各自的特点。
随着生活水平提高和医疗设施条件改善，一般大、中型医院的用水量和排水量都有较大的增加。
三医院污水的水质特征
医院污水的主要污染物包含病原性微生物、有毒、有害的物理化学污染物和放射性污染物三大类。
医院废水处理流程工艺选择原则,(二)定期观察生物池微生物生长情况，出现异常及时排除
小型医疗废水处理设备【价格】
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适用范围：加强处理效果的一级强化处理适用于处理出水Zui终进入二级处理城市污水处理厂的综合医院,After hydrolysis andacidification, the wastewater enters oxygen-poor tank, contactoxidation tank and secondary sedimentation tank in order tocirculate, so that the wastewater is in the environment of anoxicand oxygen-enriched cycle transformation, and the followingtransformation can be achieved.- Denitrification; convertingorganic nitrogen into ammonia nitrogen, transforming ammonianitrogen into nitrite nitrogen and nitrate nitrogen through aerobicmicrobial nitrification bacteria, and then transforming nitritenitrogen and nitrate nitrogen into nitrogen through anaerobicmicrobial denitrification bacteria, escaping from sewage-phosphorus removal; high phosphorus content sludge is formed byphosphorus accumulating bacteria releasing phosphorus in anoxicenvironment and absorbing excessive phosphorus in oxygen-richenvironment.- Degrading organic matter thoroughly; On the basis ofhydrolysis acidification, utilizing the characteristics of rapidpropagation of aerobic microorganisms in oxygen-rich environmentand rapid propagation of anaerobic microorganisms in anoxicenvironment, degrading organic matter in turn and transforming itinto sludge(3) Disinfection of sewage to meet dischargestandards(4) Regular removal of sludgeThe characteristics of sewagetreatment methods in small and medium-sized hospitals are asfollows: the volume of the oxygen-poor pool is much smaller thanthat of the contact oxidation pool. When the sewage circulates, theresidence time in the oxygen-poor pool is very short, while theresidence time in the contact oxidation pool is very long, so thatthe sludge produced by biochemical treatment is mainly deposited inthe contact oxidation pool.The characteristics of sewage treatmentmethods in small and medium-sized hospitals are as follows: theoxygen-poor pool is composed of adjusting aeration pool and anoxicpool in series. The two pools are connected structure. By changingthe aeration degree of the adjusting aeration pool, the sewage isfully mixed and the water is uniform.4. The sewagetreatment method for small and medium-sized hospitals as describedin claim 3 is characterized in that the sewage treatment stationalso includes a sludge concentration pond which is connected with acontact oxidation pond, and the sludge concentration pond ise with a refluxpipe.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Thecharacteristics of sewage treatment methods in small andmedium-sized hospitals are as follows: chlorine dioxide is injectedinto the drainage pipe of secondary sedimentation tank; chlorinedioxide flow rate is accurately measured by metering pump to reduceresidual chlorine residue; at the same time, water body issufficiently mixed from the contact oxidation tank and aerated byblower to reduce dosage.6. The small and medium-sized hospitalsewage treatment method described in Fig. 4 is characterized bythat the sewage return flow R = 1:1, i.e. the sewage circulationflow: the treated discharge flow = 1:1.At present, the total numberof medical units above county level (including industrial andmining enterprises hospitals, military hospitals, private hospitalsand Sino-foreign joint venture hospitals, etc.) in our country(except Hong Kong Special Administrative Region, Macao SpecialAdministrative Region and Taiwan region) is about 21,000, of which1041 are tertiary first-class hospitals, accounting for about 5% ofthe total number of hospitals, 90% of which are small andmedium-sized hospitals below secondary level, relatively speaking,large hospitals. All of them have more standardized wastewatertreatment systems, and are e with professional maintenanceand management. However, due to the reasons of fund, operation costand personnel , a large number of small and medium-sizedmedical institutions are weak in the construction of medicalwastewater treatment facilities, and their operation is notcompletely normal, which is a difficult and important point incurrent pollution control.The sewage discharged by hospitalsconsists of two parts, one is domestic wastewater, the pollutantsare mainly organic matter, the other is medical wastewater, thepollutants are mainly nitrogen, phosphorus and so on. At present,most of the small and medium-sized medical institutions in ourcountry generally adopt the first-level intensified treatment. Thetypical process is as follows.The characteristic of the first-levelintensification process is that it can effectively controlpathogens through disinfection process, but the removal effect ofCOD and BOD is not good and can not meet the re ofenvironmental protection.In recent years, with the progress ofsocial economy and the improvement of people"s awareness ofenvironmental protection, more and more small and medium-sizedmedical institutions have built a number of secondary biochemicaltreatment 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-sizedmedical institutions, due to the lack of funds and managers, theremay be insufficient funds in the actual implementation process, orthere may be inadequate management and excessivedischarge.Relatively speaking, contact oxidation method is moresuitable for sewage treatment in small and medium-sized medicalinstitutions, but contact oxidation method lacks oxygen-deficientstage, so the ability of denitrification is weak. Nitrogen ineffluent is basically converted to nitrate, ammonia nitrogen mayreach the standard, and the essence of total nitrogen has not beenremoved.The purpose is to overcome the shortcomings of theabove-mentioned treatment methods and provide a more suitabletreatment method for sewage treatment in small and medium-sizedhospitals. The treatment process of this method is simple, occupiesless land, has low construction investment and operation cost. Itcan not only meet the sewage treatment standards, but also is easyto operate and manage, and has low re for the ofoperators.,(四)鼓风机：每半年加一次机油，每运行10000小时保养一次(按说明书要求进行),每天观察A／O池内的填料挂膜状态，如填料上生长出橙黑或橙黄色的一层膜即已培养好生物膜，一般需7~15天。接着进一步驯化，一般需一周时间小型医疗废水处理设备
1病原性微生物及其控制指标
通常把大肠菌群数和粪大肠菌群数作为衡量水质受到粪便污染的生物学指标。
医院污水和生活污水中经水传播的疾病主要是肠道疾病，由病毒传播的疾病有肝炎、小儿麻痹等。
有毒有害物质及水质指标
pH：医院的酸碱污水主要来源于化验室、检验室的消毒剂的使用及洗衣房和放射科等，可对管道造成腐蚀或影响消毒剂的使用效果。
SS：影响水体外观和氯化消毒灭活效果。
BOD和COD：大部分来自生活系统排水，可生化性能良好，但医院广泛使用的消毒剂对生物处理是不利的。
动植物油：来自食堂排水，影响水体溶解氧和医院含菌污水的消毒效果。
总汞：包含有机、无机、可溶和悬浮的汞，可是人体发生全身性的中毒。主要来自于口腔科、破碎温度计和某些使用汞的计量设备汞的流失。
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小型医疗废水处理设备
所采用材质比水轻，能在水中均匀舒展，对气泡作密集性多层次的切割，大大提高了溶解氧的传递补速率，减少风量，节约能耗。由于丝长材质经特殊配方，结构独特，其在水中对微气泡有吸附作用，填料载着生物膜在整个生物池中,对于处理出水Zui终进入二级处理城市污水处理厂的综合医院，应加强其处理效果，提高细菌的去除率，减少消毒剂用量,泵按额定流量把污水抽入设备内，启动鼓风机进行曝气，同时可以根据BOD5,医院污水处理流程