The waste heat boiler of the sulfur recovery unit is a typical fire tube boiler. The multi-pipe mouth of the waste heat boiler is connected with the outlet of the heat reactor, which is both the rear wall of the reactor and the end of the transition zone. The waste heat boiler has two functions.

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incinerator waste heat boiler for sru. incinerator waste heat boiler for sru. easier startups improve sulfur plant reliability - Ortloff Engineers, Ltd.In conventional SRU designs, the reactor beds are heated by firing the acid gas incinerator before reaching the first catalyst bed as shown in Figure 1. common shell.

Waste Heat Boiler As a necessary part of sulfur recovery unit, the waste heat boiler is a typical fire tube boiler. The multi-pipe mouth of the waste heat boiler is connected with the outlet of the heat reaction furnace, which is both the rear wall of the reactor and the end of the transition zone.

For the challenging requirements of the Sulphur Recovery Unit (SRU), Calderys has a complete range of CO resistant materials and engineering designs. For this incineration section, Calderys provides special refractory technical solutions for restriction ring, tube sheets, as well as precast burner blocks with high thermal shock resistance.

· PDF fileA SRU incinerator is an oxida� on-reduc� on reactor for the recovery of elemental Sulphur from H2S rich waste gases. The fi rst stage of the so called Claus process, is the complete free fl ame oxida� on of typically ⅓ of the H2S to SO2 in a reac� on furnace (H2S + 1½ O2 =