APPARATUS AND PROCESS FOR THE PRODUCTION OF ACETYLENE

摘要

A two-staged process for producing acetylene and calcium chloride from calcium c arbide (12) and water (12) has two successive reaction steps. In step Number 1, calcium carbide is charged into an entrained flow-type reactor (10) vessel containing water. The reaction which follows proceeds to about 60-90 % completion. The entr ained reaction products and the unreacted feed material are carried over to a secondary reactor (16) to complete the reaction, and the acetylene gas is drawn off (26). Calcium hydroxide product is removed from the reactor (23) and reacted with hydrogen chl oride to form calcium chloride. Heat generated by the exothermic reactions of water with calcium carbide and HCI with calcium h ydroxide is used to dry the calcium chloride product and improve its value. In the presence of excess of water, the calcium c arbide-water reaction is effectively a first order, irreversible reaction.