Propylene oxide is mainly used in the production of polyether polyols. Polyether polyol is derived from propylene oxide, an organic material containing two or more hydroxyl groups, and some polyether varieties contain micron-sized suspensions of polymer science particles. propylene oxide is a toxic substance, so the following points should be noted during operation
1. Kev nyab xeeb ntawmPropylene oxide operation
2. Cia kev nyab xeeb ntawmPropylene oxide
Kev nyab xeeb ntawmPropylene oxide operation
(1) When opening the propylene oxide container, make sure the working area is well ventilated and no spark or ignition source exists; avoid letting the released vapour enter the air in the working area. The workshop for the production and storage of propylene oxide should have reliable fireproof and explosion-proof measures. In case of fire, dry powder fire extinguishers, carbon dioxide fire extinguishers and sand should be used to extinguish the fire.
(2) When the propylene oxide system leaks, stand at the upwind entrance and wear a good gas mask at the same time to work.
(3) Ua kom cov dej siab thiab roj siab ntawm cov cuab yeej zoo li qub thiab cov kav dej sib txuas yuav tsum du. Khaws cov khoom siv thiab tshem tawm cov phenomena ntawm kev khiav, bubbling, dripping thiab to, kom cov khoom nyob rau hauv zoo.
(4) thaj chaw tsim khoom, qhib hluav taws thiab tuaj yeem tsim hluav taws qhib, kev ua haujlwm ntawm lub txim raug txwv nruj heev. Cov kev xav tau ntau lawm los yog thaum lub sij hawm tu yuav tsum tau pib qhov hluav taws kub, yuav tsum mus rau cov txheej txheem kev pom zoo hluav taws.
(5) Kev ntxuav cov dej phwj tuaj ntawm cov cuab yeej tsim khoom thiab cov dej ntxuav hauv pem teb ntawm qhov chaw tsim khoom yuav tsum tau muab tso rau hauv lub pas dej thaum muaj xwm ceev thiab tsuas yog tom qab kev kho mob tsim nyog.
Cia kev nyab xeeb ntawmPropylene oxide
Because of the characteristics of propylene oxide and the shortcomings of the traditional storage method, such as respiratory loss, environmental pollution and fire and explosion, the storage process adopts the closed storage method and the new technology of closed storage from the aspects of storage, loading and unloading, temperature control, tank design, equipment selection and fire and explosion prevention. After the realization of the closed operation, the loss of propylene oxide in the storage process and the pollution to the surrounding environment are reduced, and safe storage and handling are ensured,
(1) Propylene oxide is stored in a cool, well-ventilated special warehouse or storage tank, away from fire and heat sources. The temperature of the storage room should not exceed 29 degree and keep the container sealed.
(2) Propylene oxide should be stored separately from oxidizers, acids, alkali metals, etc., do not mix storage. Use explosion-proof lighting and ventilation facilities. Prohibit the use of spark-prone machinery and tools. The storage area should be equipped with emergency treatment equipment for leaks and suitable shelter materials. Set cofferdam around the propylene oxide storage tank, the volume of which is equal to the volume of the storage tank.
(3) Ua tib zoo saib xyuas kev tiv thaiv xob laim thiab tiv thaiv - zoo li qub. Cov tso tsheb hlau luam hauv cov nroj tsuag yuav tsum tau nruab nrog kev tiv thaiv xob laim thiab tiv thaiv - cov chaw zoo li qub raws li cov cai ntawm Txoj Cai rau Kev Tiv Thaiv Hluav Taws Xob ntawm Cov Tsev.
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