[Q&A Question 238] 2017.08.26
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【Q&A Question 238】August 26, 2017: What are the precautions when cutting water? The reference answer can be seen after responding; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) During the water cutting process, the oil tank operator must not engage in any other tasks and is strictly prohibited from leaving the site. When the amount of water being cut is large, attention should be paid to the drainage capacity of the drainage system to prevent overflow. Scoring criteria: 2 Wealth points for incorrect responses; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers accompanied by detailed explanations; responses that are correct but lack sufficient details earn 15–20 Wealth points. Please score according to these criteria. Note: If there are editing records after answering, only points will be awarded to those who participated. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Savings” Campaign (Second phase is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html
(1) Allow 2 hours of standing time before receiving material and after feeding it to remove water; for heavy oils, allow 4 hours of standing time to remove water. It is not allowed to remove water while the material is being received or processed. (2) Control the opening degree of the cut-water valve to prevent oil from being carried by swirls; if oil is detected in the water, stop immediately
(1) Stand upwind to avoid poisoning from toxic gases. (2) Do not leave the area while cutting water to prevent oil leakage and resulting safety accidents.
During the water cutting process, the oil tank operator must not engage in any other tasks and is strictly prohibited from leaving the site. When the amount of water being cut is large, attention should be paid to the drainage capacity of the outlet to prevent overflow
(1) Allow 2 hours of standing time before receiving material and after feeding it to remove water; for heavy oils, allow 4 hours of standing time to remove water. It is not allowed to remove water while the material is being received or processed. (2) When cutting off water, control the opening degree of the valve to prevent oil from being carried in by swirls; if oil is detected in the water, stop cutting off the water immediately. (3) Someone must be on site to supervise the water cutting operation. (4) It is strictly prohibited to drain water from two (or more) oil tanks simultaneously.
During the water cutting process, the oil tank operator must not perform any other tasks and is strictly prohibited from leaving the site. When the amount of water being cut is large, attention should be paid to the drainage capacity of the outlet to prevent overflow.
(1) Allow 2 hours of standing time before receiving material and after feeding it to remove water; for heavy oils, allow 4 hours of standing time to remove water. It is not allowed to remove water while the material is being received or processed. (2) When cutting off water, control the opening degree of the valve to prevent oil from being carried in by swirls; if oil is detected in the water, stop cutting off the water immediately. (3) Someone must be on site to supervise the water cutting operation. (4) It is strictly prohibited to drain water from two (or more) oil tanks simultaneously.
To prevent oil from entering the water hoses, stay upwind; when there is a strong odor, use a gas filter cartridge or gas mask to avoid poisoning incidents
(1) Allow 2 hours of standing time before receiving material and after feeding it to remove water; for heavy oils, allow 4 hours of standing time to remove water. It is not allowed to remove water while the material is being received or processed. (2) When cutting off water, control the opening degree of the valve to prevent oil from being carried in by swirls; if oil is detected in the water, stop cutting off the water immediately. (3) Someone must be on site to supervise the water cutting operation. (4) It is strictly prohibited to drain water from two (or more) oil tanks simultaneously.