How to safely thaw a frozen Centrifuge

May 9, 2011 · 0 comments

in green gas Colder temperatures mean that things will start to freeze in our part of world very soon. The centrifuge bowl is no exception. Whenever you initially start the centrifuge in colder weather it is a good practice to connect a steam hose to the feed tube and thaw the centrifuge bowl. Even when the bowl is not completely frozen it is still a good idea to warm the centrifuge bowl up for 10-15 minutes. The cold steel of the bowl will cause the warm drilling fluid to stick to the bowl, creating extra weight and torque inside the bowl; possibly overloading the gearbox, causing the trip assembly to kick out. A word of caution! If you are unfamiliar with steam and how to handle it, please get an experienced worker to assist you. Always make sure that the centrifuge is off and properly locked out, whenever performing any service. Ensure that you have a good quality steam hose free of holes which is not frozen. Securely connect one end of the hose to a steam outlet and connect the other end of the steam hose to the 1″ valve on the feed tube. You may need to apply steam to the 1″ valve to ensure that it is free before connecting the hose to the fitting. Once securely connected to the fitting on the feed tube, you may turn on the steam. Look for any leaks in the hose or feed tube assembly and repair as necessary. As soon as possible, close the 2.5″ valve on the feed tube to prevent steam or fluid from going down the feed hose to the pump. 10- 15min maximum is all that is

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