一、前言日本医院有私人医院和公立综合医院,其治疗设施是各式各样的。但一般都是由门诊、化验、病房、管理、服务等部门组成。在医院里,除了给水排水卫生设备外,还有健身房的器械设施、洗涤设备、灭菌水和纯水制造设备、供医疗和检查用的设备、特殊气体设备、真空扫描设备、气体管道、搬运设备、特殊排水处理设备和焚烧炉等多种用途的设备,因而涉及给水排水的内容是比较广泛的。医院的给水排水设备还应具有必要的卫生条件。从医院排出的各种废水,既会对管道产生腐蚀,又可以造成公害。因此,在医院的给水、热水、通风 I. INTRODUCTION Japanese hospitals have private hospitals and public general hospitals. The treatment facilities are various. However, they are generally composed of outpatient departments, laboratory tests, wards, management, and service departments. In the hospital, in addition to water supply and drainage sanitary equipment, there are gym equipment, washing equipment, sterile water and pure water manufacturing equipment, medical and inspection equipment, special gas equipment, vacuum scanning equipment, gas pipelines, transportation Equipment, special drainage treatment equipment, and incinerators are used for a variety of purposes. Therefore, the contents of water supply and drainage are relatively extensive. The hospital’s water supply and drainage equipment should also have the necessary sanitary conditions. Various types of waste water discharged from the hospital can cause both corrosion and pollution. Therefore, in the hospital water supply, hot water, ventilation