Titanium alloy manufacturers often contain a large amount of CO gas in the furnace gas for producing titanium wire TiCI4. This is a common suffocating gas and also a flammable and explosive gas. Workers engaged in the post treatment of chlorination furnace gas and tail gas treatment should be extra careful
CO is a colorless and odorless gas, slightly lighter than air, and easily dispersed in the air. CO is inhaled by the human respiratory tract and binds to hemoglobin in the blood through the lungs. Its affinity is 210 times greater than oxygen, and it quickly forms carbon oxygen red blood eggs White. Causes blood to lose its ability to transport oxygen, causing hypoxia and suffocation. Due to the sensitivity of the central nervous system to hypoxia, it is the first to suffer. The symptoms caused by CO poisoning are headache, dizziness, nausea, vomiting, malaise in mild cases, and syncope, coma and death in severe cases.
When the CO content in the air is less than 1x10-2%, it is not very harmful to the human body; When the CO content is greater than 1x10-2%, it can cause symptoms of human poisoning; When the amount of CO reaches 0.1%, it can cause confusion, fainting, and spasms in the human body. by To avoid the occurrence of CO poisoning accidents, ventilation in the ammonia workshop should be maintained.
Once a CO poisoning accident occurs, immediately pick up the patient to fresh air and pay attention to keeping warm. It is best to send the unconscious person to a high-pressure oxygen chamber for treatment; Respiratory failure patients should immediately undergo artificial respiration, and inhaling oxygen containing 25% CO2 is better Follow the doctor's advice for symptomatic treatment.
The air contains 12.5% to 74.2% CO (volume fraction), which is an explosive gas and can cause an explosion after ignition. CO is also a gas fuel. In order to prevent fire and explosion, after purifying the tail gas of the chlorination furnace, it is best to conduct secondary combustion of the tail gas containing CO and then empty it. Otherwise, the exhaust gas must be discharged using a higher chimney.
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