A Study on a New Air-Cleaning Method by the Activated Carbon Belt for the Anesthetic-Gas-Polluted Air

预防手术室麻醉气体污染的主要措施是在所有麻醉机上安装麻醉气体净化系统，并引入全新风系统用于手术室的通风。乙醚酮不足以有效地抗污染。顺便说一句，全新风系统的设备安装费用和运行成本通常都很高。因此，日本的大多数小型医院倾向于使用循环系统而不是这种系统。在本研究中，我们试图创造一种新的连续空气净化装置，以消除管道内循环空气中的麻醉剂和/或杀菌气体或蒸汽的污染物。在该装置中，活性碳的环形传送带缓慢地进入管道，然后在管道内以反M形移动，然后再次从管道中出来。在管道内，活性碳能够吸附来自循环空气的污染物。之后，当皮带从管道中出来时，活性碳接受热风淋浴，以达到解吸污染物的目的。活性炭带经冷风冷却以恢复吸附性能后，再次进入管道。因此，这种装置可以像泵一样工作，从管道内的循环空气中抽出污染物。我们决定ﾟ！&gt；&gt；FT-300-20是最适合我们使用的活性碳。经过反复的改进，试验装置已经完成。在假麻醉气体污染的管道气流中，皮带速度为150 cm/min。是最棒的。未来，我们计划使用FT-300-20覆盖FT-300-10的环形传送带，这将增加一氧化二氮的吸附能力。此外，杀菌气体和蒸汽可以尝试用于该设备，如麻醉性气体和蒸汽。

Main preventive methods against the anesthetic gas pollution in the operating rooms consist of the attachment of the anesthetic gas scavenging systems for all anesthetic machines and the introduction of the all fresh air system for air ventilation of the operating rooms. Ether one is not enough for the effective antipollution. By the way, the all fresh air system is usually very expensive for the installation of its equipment and in the running cost. So, most of small scale hospitals in Japan are apt to use the recirculating systems instead of this system.In this investigation, we are trying to create a new continuous air-cleaning apparatus for the pollutants of anesthetic and/or bactericidal gases or vapors in the recirculating air inside the duct. In this apparatus, the endless belt of the activated carbon moves slowly into the duct, then moves as the reverse M shape inside the duct, and goes out again from the duct. Inside the duct, the activated carbon is able to adsorb the pollutants from the recirculating air. Afterwards, when the belt comes out of the duct, the activated carbon receives hot air shower for the purpose of the desorption of the pollutants. After the belt of the activated carbon is cooled down by cold air blow in order to recover the adsorbability, it enters again into the duct. So, this apparatus can work like a pump which is drawing out the pollutants from the recirculating air inside the duct. We decided Kuractive^<<ﾟ!>> FT-300-20 is the best activated carbon for our purpose. After the repeated improvements, the trial apparatus has been completed. In the flow of the sham anesthetic-gas-polluted air of the duct, the belt speed of 150 cm/min. was the best. In the future, we are planning to use the endless belt of FT-300-20 covered with FT-300-10, which will increase the adsorbability of nitrous oxide. Furthermore, the bactericidal gases and vapors might be tried for this apparatus, like the anesthetic gases and vapors.