PLC Kontrollü Glove Box Tasarımı ve Atmosferindeki Oksijen Seviyesinin Kontrolü

Year 2022, Volume: 14 Issue: 1, 338 - 346, 31.01.2022

Mustafa Doğan

https://doi.org/10.29137/umagd.1004275

Abstract

Glove box sistemleri yaşadığımız atmosfer ortamından, deney yapılacak içerideki ortam atmosferini yalıtır. Bu tip sistemler sızdırmazlık sağlayarak deney yapılan iç atmosferi dışarıdan izole eden bir yapıya sahiptir. Ayrıca glove boxlar şeffaf bir yapıya sahip olmasından dolayı içeride yapılacak deney ve testlerin her an izlenmesine de imkan vermektedir. Uzun kollu eldiven kullanılarak eldiven kutusu içinde devam eden deneyin el ile kontrol edilerek müdahale edilebilmesi bu kontrollü atmosfer içinde kapsamlı deneyler yapılabilmesini de mümkün kılmaktadır. Batarya üretim hatlarında, mesela lityium gibi oksijen olan ortamda alev alabilen kimyasallar kullanıldığında yada OLED(organik ışık yayan diyot) üretiminin sorunsuzca yapılabilmesi için, kontrollü düşük oksijen atmosferine sahip glove box sistemlerinin kullanılması gereklidir. Bu sistemlerin en basit yapıda olan; atmosfer kontrol sistemi içermeyen cihaz fiyatları 20 bin euro seviyesinden başlamaktadır. İçerideki atmosfer kontrolü olan ve atmosferde bulunan oksijen seviyesi kontrol edilebilenlerin fiyatları ise 100 bin euro üstünde fiyat seviyelerine kadar çıkmaktadır. Yerli imkanlar ile çok uygun bir fiyata pleksiglass malzemeden glove box tasarımı yapılmıştır. Bu sistemde iç ortamın oksijen seviyesi devamlı aşağıya çekilebilmesi için periyodik olarak vakum yapabilen ve periyodik olarak içeriye inert argon gazı verebilen bir sistem tasarlanmıştır. Elektrokimyasal sensor ve ölçü aleti kullanılarak atmosfer oksijeni kontrol edilmiştir.

Keywords

Glove Box,, oksijen sensörü, PLC kontrolü, elektrokimyasal sensör

Thanks

Bilimsel ve Teknolojik Araştırmalar Uygulama ve Araştırma Merkezi Müdürlüğüne verdikleri destek için teşekkür ederim

PLC-Controlled Glove Box Design and Control of the Oxygen Level in the Atmosphere

Abstract

Glove box systems insulate the atmosphere, in which we live from the atmosphere of the environment in which the experiments will be conducted. Such systems also have a special structure which insulates the inner atmosphere of the experiment from the outside by providing a seal. In addition, glove boxes have a transparent structure, which allows you to monitor the experiments and tests to be carried out inside at any time. Glovebox systems give ability to intervene the ongoing experiment in the glove box manually controlling using long-sleeved gloves. Also it makes possible to conduct extensive difficult experiments in this controlled atmosphere. For example lithium battery production lines, oxygen sensitive flammable chemical related experiments also OLED(organic light emitting diode) test and production levels must be done smoothly for the production of controlled low-oxygen atmosphere with the use of a glove box system is a necessity. In the market the simplest of these systems of devices without an atmosphere control system start at the level of 20 thousand euros. The prices of those which atmospheric controlled ones prices reach levels above 100 thousand euros. Glove box design is made of plexiglass material at a very affordable price with domestic facilities. In this system, a system that can periodically vacuum and periodically deliver inert argon gas inside is designed so that the oxygen level of the indoor environment can be continuously lowered. Atmospheric oxygen level was controlled using an electrochemical sensor with a multimeter.

Keywords

Glove Box, , oxygen sensor, PLC control, electrochemical sensor

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