KR870002022A - Process of recovering sulfur from hydrogen sulfide gas stream through temperature control by water - Google Patents

Abstract

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Description

Process of recovering sulfur from hydrogen sulfide gas stream through temperature control by water

Since this is an open matter, no full text was included.

This figure is a flow chart showing the oxygen concentration and water injection of the Krause method, RF is a reaction furnace, BFW is a boiler WHB is a waste heat boiler, TGGU is a steam gas washing unit.

Claims (16)

The gas stream is partially combusted by oxygen enriched gas in the Kraus reaction furnace zone, the combustion effluent is cooled by the secondary condensation separation of sulfur in the condensation zone, and the remaining effluent stream is continuously processed to control the temperature of the reaction furnace zone. A process for recovering sulfur from a raw gas stream concentrated in hydrogen sulphide as an improvement to introducing a controlled stream of water into the reaction furnace. The gas stream is partially burned by oxygen enriched gas in the Kraus reaction furnace zone, the combustion effluent is cooled by incidental condensation separation of sulfur in the first condensation zone and the remaining effluent stream is reheated, in the catalytic Kraus reaction zone. In passing through at least one of the three stages of conversion, condensation of sulfur in the condensation zone and cooling by separation, the improvement is to introduce a controlled stream of water into the reaction furnace to control the temperature of the reaction zone. A process for recovering sulfur from a raw gas stream enriched in hydrogen sulfide. The process as claimed in claim 2, wherein the third stage is used for the remaining effluent stream. The process of claim 1 wherein the raw gas stream comprises 60-100 mole percent hydrogen sulfide. The process of claim 1 wherein the raw gas stream comprises 80-100 mole percent hydrogen sulfide. The process of claim 1 wherein the oxygen concentrating gas has an oxygen content of at least 21 mole percent. The process of claim 1 wherein the oxygen enriched gas has an oxygen content of 32-100 mole percent. The process of claim 1 wherein the flow rate of the incoming water stream consists of up to 2.4 moles of water per mole of concentrated oxygen. The process according to claim 1, wherein the introduced water stream is in the range of up to 1.68 moles per mole of concentrated oxygen. The process of claim 1, wherein the temperature of the reaction zone is in the range of 2400-2800 ° F. (1315 ° C.-1538 ° C.). The process according to claim 1, wherein the introduced water stream is atomized with an oxygen source of the reaction furnace. In a Kraus reaction comprising a reaction furnace for partially burning the raw gas stream with oxygen enriched gas, a condenser for cooling and condensing sulfur from the combustion effluent, and a device for continuously treating the effluent, the temperature control of the furnace is controlled. A system for recovering sulfur from a raw gas stream containing a significant amount of hydrogen sulfide, with an improvement in containing a device for introducing a water stream into the reaction furnace. Reheating, reacting and recovering sulfur from the reaction furnace for partial combustion of the feed gas stream with oxygen enriched gas, a first condenser for cooling and condensing sulfur from the combustion effluent, a reheater, a catalytic reactor and the effluent In a Krauss reaction containing at least one train or the like comprising an additional condenser, the apparatus contains a device for injecting a water stream into the reaction furnace to control the temperature of the furnace. A system for recovering sulfur from raw gas streams. 13. The system of claim 12, wherein the atomization nozzle is connected to a device for injecting a water stream into the reaction furnace. 13. The process according to claim 12, wherein the device for injecting water into the reaction furnace is connected with a device for injecting oxygen into the reaction furnace. The process of claim 13 comprising a steaming scrubber connected to the final train of the system to reduce sulfur content in the effluent. ※ Note: The disclosure is based on the initial application.