What's wrong with poisoning of welded galvanized pipe?

summary

Zinc is an essential trace element for human body, so it is not very difficult to treat as long as the cause of its disease is found out. It is of great significance to ensure the supply of zinc for promoting human growth and maintaining health. The content of zinc in normal human body is 2-2.5g. But excessive intake of zinc can also lead to poisoning. Now let's share about the poisoning of welded galvanized pipe? The knowledge of.

What's wrong with poisoning of welded galvanized pipe?

First: clinical mistreatment, if a large number of oral, external use of zinc or long-term use of zinc treatment, can cause zinc poisoning, clinical manifestations for abdominal pain, vomiting, diarrhea, gastrointestinal bleeding, anorexia, fatigue, lethargy, etc.

Second: accidental oral zinc oxide solution has strong corrosiveness, such as acute abdominal pain, salivation, lip swelling, laryngeal edema, vomiting, hematochezia, rapid pulse, and decreased blood pressure. Severe cases died of peritonitis or even shock due to gastrointestinal perforation.

Third: absorb zinc oxide smoke, cause metal dust heat, more common in foundry workers. After work, the patient has sweet taste, thirst, itchy throat, loss of appetite, fatigue, chest tightness, and sometimes dry cough. 3-6 hours after work, the patient developed cold first, then shivering, and then high fever, accompanied by headache, tinnitus, fatigue, limb pain, sometimes nausea, vomiting, abdominal pain, rapid pulse and breathing, and dry wheezing can be heard in the lungs. The blood sugar rose temporarily, white blood cells and lymphocytes increased; There are phylline and urobilin in urine. Sweating may occur when the body temperature drops, and the symptoms gradually subside, and then improve after 2-3 days. The patients were cured after 2 weeks of zinc excretion treatment.

matters needing attention

1. Reform the process, such as flat and straight line welding can be used without light welding. The gas cutting shall be carried out in a ventilated environment, with local smoke exhaust equipment installed, and air supply mask or helmet worn. 2. Pay attention to personal hygiene, protect skin and prevent soluble zinc salt from polluting skin. 3. Dust collection and recovery equipment is equipped in zinc ore casting, burning and refining process to prevent dust and harmful gas from escaping.