(1) Acid and alkali drugs are all easy to react chemically. The workplace should be provided with tap water, cotton wool and a solution for neutralization in emergency.
(2) Wear protective clothing when using it. When carrying the sealed strong acid and the jar of caustic solution, place the jar in a solid wooden box and frame, and fasten it with soft objects. The wooden box or the basket should be placed. Has a solid handle.
(3) All operations using strong acid and alkali must be carried out outdoors or in a wide and well ventilated area. When preparing dilute acid, it is forbidden to pour water into acid. A small amount of concentrated acid should be slowly dripped into the water and stirred constantly to prevent severe heat. Gloves, masks and goggles are required to open the caustic drum and dissolve the caustic.
(4) If strong acid leakage occurs, it should be neutralized with alkali first, then rinsed with water, or first absorbed with soil and then rinsed with water. When concentrated acid splashes into the eyes or on the skin, it should be quickly rinsed with plenty of water, then washed with 0.5% sodium bicarbonate solution, and immediately sent to the infirmary immediately after the above emergency treatment.
(5) Before the boiler is started or after long-term operation, it must be cleaned. Boiler cleaning generally uses acidic media, so it is called pickling. At present, hydrofluoric acid washing boilers are commonly used. The following regulations should be observed when cleaning:
1) Hydrofluoric acid should be contained in a polyethylene or hard rubber container. The lid of the barrel should be sealed and not exposed to sunlight.
2) Workers participating in the concentrated acid system must wear protective masks in addition to the necessary protective equipment.
3) If there is a leak in the light acid system, use red and white belts to surround and send people to guard.
4) It is strictly forbidden to discharge the pickling waste liquid directly into the river.
(2) Wear protective clothing when using it. When carrying the sealed strong acid and the jar of caustic solution, place the jar in a solid wooden box and frame, and fasten it with soft objects. The wooden box or the basket should be placed. Has a solid handle.
(3) All operations using strong acid and alkali must be carried out outdoors or in a wide and well ventilated area. When preparing dilute acid, it is forbidden to pour water into acid. A small amount of concentrated acid should be slowly dripped into the water and stirred constantly to prevent severe heat. Gloves, masks and goggles are required to open the caustic drum and dissolve the caustic.
(4) If strong acid leakage occurs, it should be neutralized with alkali first, then rinsed with water, or first absorbed with soil and then rinsed with water. When concentrated acid splashes into the eyes or on the skin, it should be quickly rinsed with plenty of water, then washed with 0.5% sodium bicarbonate solution, and immediately sent to the infirmary immediately after the above emergency treatment.
(5) Before the boiler is started or after long-term operation, it must be cleaned. Boiler cleaning generally uses acidic media, so it is called pickling. At present, hydrofluoric acid washing boilers are commonly used. The following regulations should be observed when cleaning:
1) Hydrofluoric acid should be contained in a polyethylene or hard rubber container. The lid of the barrel should be sealed and not exposed to sunlight.
2) Workers participating in the concentrated acid system must wear protective masks in addition to the necessary protective equipment.
3) If there is a leak in the light acid system, use red and white belts to surround and send people to guard.
4) It is strictly forbidden to discharge the pickling waste liquid directly into the river.
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