Chemical safety knowledge
Jul 09, 2024| Answer: Hazard sources refer to the root causes or state factors that may cause personal injury or disease, material and property damage, work environment damage, or a combination of these situations.
Answer: Major hazard sources refer to units that produce, use, store, or operate hazardous substances for a long time or temporarily, and the quantity of hazardous substances is equal to or exceeds the critical quantity. Units are divided into production units and storage units. Production units are judged based on shut-off valves, while storage units are classified based on fire embankments.
Answer: It is divided into three types: dust prevention, gas prevention, and oxygen supply.
Answer: Causality, randomness, latency, and preventability.
Answer: Violations of command, operation, and labor discipline.
Answer: Do not harm oneself, do not harm others, do not be harmed by others, and protect others from harm.
Answer: It refers to safety helmets, seat belts, and safety nets.
Answer: There are three types: open flames, electric sparks, and lightning strikes.
Answer: Physical explosion, chemical explosion, atomic (nuclear) explosion.
Answer: Operations that can pose significant risks to the safety of the operator, others, and surrounding facilities.
Answer: We will not let go if the cause of the accident is not identified, if the person responsible for the accident is not dealt with, if the general public is not educated, and if preventive measures are not implemented.
Answer: There are mainly safety valves, bursting discs, fusible plugs, pressure gauges, thermometers, level gauges, emergency shut-off valves, and emergency discharge devices.
Answer: High voltage, prominent electrostatic induction, and severe discharge at the protruding end.


