Coal tar hydrogenation system of mending sulphur is retrieved to hydrogen sulfide

The utility model provides a coal tar hydrogenation system of mending sulphur is retrieved to hydrogen sulfide, this system include the heating furnace, the water injection jar of being connected with the demineralized water, refined feed surge drum, hydrogenation refined reactor, refined hot high score jar, refined cold high score jar, cracking feed surge drum, heat lowly divide jar, coldly lowly divide jar, desulfhydrylation strip tower, fractionating tower, refined cold high score jar, cracking feed surge drum, hydrocracking reactor, heat of cracking high score jar, the cracking to cool the high score jar, desulfhydrylation strip tower upper end be provided with the overhead gas outlet pipe, the lateral wall that is close to the top of the tower is provided with and refines the pipeline of feed surge drum intercommunication. This practicality is creative to be compiled department and refined feed surge drum at desulfhydrylation strip tower light oil and directly has set up an intercommunication pipeline, j