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CN-224226670-U - Hydrogen preparation sulfide desulfurization device

CN224226670UCN 224226670 UCN224226670 UCN 224226670UCN-224226670-U

Abstract

The utility model belongs to the technical field of desulfurization equipment, and particularly relates to a sulfide desulfurization device for preparing hydrogen, which comprises a desulfurization tower and bosses on the outer side of the desulfurization tower, a fixing frame, a support frame and a guide rod, wherein the fixing frame is positioned between adjacent bosses of a middle reaction section of the desulfurization tower and is of a semicircular structure and coaxial with the desulfurization tower, an adsorbent filling mechanism is arranged in the fixing frame, an open slot is formed in the left side of the desulfurization tower and corresponds to the fixing frame, partition tables are fixedly arranged in the open slot in a layering manner, the fixing frame is positioned between the adjacent partition tables, a support frame parallel to the axis of the desulfurization tower is arranged on the outer side of the boss, and the two end faces of the fixing frame extend out of the guide rod to extend into the support frame. According to the utility model, the drawer type adsorbent replacing mechanism is formed by the layered fixing frames, so that the adsorbent replacing step is simplified to shorten the downtime, and meanwhile, the gas is uniformly dispersed in adsorbents in different areas through the split-flow structure at the bottom of the adsorbent filling mechanism, so that the problem of local early failure is avoided.

Inventors

  • YAN XIAOFEI
  • CHENG YUNFEI

Assignees

  • 安徽华东化工医药工程有限责任公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (7)

  1. 1. The desulfurization device for preparing sulfide by hydrogen is characterized by comprising a desulfurization tower (1) and a boss (11) at the outer side of the desulfurization tower; The fixing frame (13) is positioned between adjacent bosses (11) of the middle reaction section of the desulfurizing tower (1), is of a semicircular ring structure and is coaxial with the desulfurizing tower (1), an adsorbent filling mechanism is arranged in the fixing frame, an open slot (101) is formed in the left side of the desulfurizing tower (1) and corresponds to the fixing frame (13), separation platforms (111) are fixed in the open slot (101) in a layering manner, the fixing frame (13) is positioned between the adjacent separation platforms (111), a supporting frame (12) parallel to the axis of the desulfurizing tower (1) is arranged on the outer side of the boss (11), and guide rods (133) extend out of two end faces of the fixing frame (13) to extend into the supporting frame (12); The bottom of adsorbent filling mechanism is provided with flow distribution plate (139), is the back taper structure, the top of flow distribution plate (139) is provided with double-deck accuse flow board (138), is connected with upper and lower open-ended toper passageway (1381) between adjacent accuse flow board (138).
  2. 2. The desulfurization device for preparing sulfide by hydrogen according to claim 1, wherein the upper layer of the adsorbent filling mechanism comprises an interception layer (135), a main desulfurization layer (136) and a pretreatment layer (137) from top to bottom, and the pretreatment layer (137) is positioned above the flow control plate (138).
  3. 3. The desulfurization device for preparing sulfide by hydrogen according to claim 1, wherein reinforcing columns (112) are fixedly connected between adjacent bosses (11), are positioned on the front side and the rear side of the desulfurization tower (1), and are butted with the end face of a fixing frame (13).
  4. 4. The apparatus for desulfurizing sulfur compounds by hydrogen production according to claim 3, wherein said reinforcing column (112) has a convex sleeve (1121) protruding from the right side, and said guide rod (133) is provided in the convex sleeve (1121) in a penetrating manner.
  5. 5. The desulfurization device for preparing sulfide by hydrogen according to claim 4, wherein the upper end and the lower end of the supporting frame (12) are fixedly provided with telescopic control parts (123) connected with the outer wall of the desulfurization tower (1), the inner side of the supporting frame (12) is provided with protruding blocks (121) which are protruded against the upper surface and the lower surface of the guide rod (133), and positioning holes (1331) which are formed between the adjacent protruding blocks (121) and are in butt joint with the end parts of the guide rod (133) are formed in the supporting rods (122).
  6. 6. The desulfurization device for producing hydrogen sulfide according to claim 1, wherein an inner frame (131) is fixed to the inner side of the fixing frame (13), and side sealing portions (132) are filled in the upper and lower surfaces and the cross section through grooves.
  7. 7. The desulfurization device for preparing sulfide by hydrogen according to claim 6, wherein the inner layer of the inner frame (131) is a circular ring structure, and an outer sealing part (134) is filled at the outer side of the circular ring structure separated from the fixing frame (13) to prop against the inner wall of the desulfurization tower (1).

Description

Hydrogen preparation sulfide desulfurization device Technical Field The utility model belongs to the technical field of desulfurization equipment, and particularly relates to a desulfurization device for preparing sulfide by hydrogen. Background In the production of hydrogen, particularly in processes that use hydrocarbons (natural gas, naphtha, coal, etc.) as feedstock by steam methane reforming or coal gasification, etc., the "sulfide desulfurization" is a critical pretreatment step. Its core goal is to remove various sulfur compounds, mainly hydrogen sulfide and organic sulfides, contained in the feed gas. At present, the traditional fixed bed is used for replacing the adsorbent and needs to stop the tower for pressure relief, the time consumption is long due to complicated procedures, the fixed bed air flow is unevenly distributed, the channeling phenomenon exists, and a high-speed channel is formed so that the local adsorbent is in advance failure. In order to solve the problems, the application provides a desulfurization device for preparing sulfide by hydrogen. Disclosure of utility model The utility model aims to provide a desulfurization device for preparing sulfide by hydrogen, which solves the problems in the background technology. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a desulfurizing device for preparing sulfide by hydrogen, which comprises a desulfurizing tower and a boss at the outer side of the desulfurizing tower; The fixing frame is positioned between adjacent bosses of the middle reaction section of the desulfurizing tower and is of a semicircular ring structure and coaxial with the desulfurizing tower, an adsorbent filling mechanism is arranged in the fixing frame, an open slot is formed in the left side of the desulfurizing tower and corresponds to the fixing frame, partition tables are fixed in the open slot in a layering manner, the fixing frame is positioned between the adjacent partition tables, a supporting frame parallel to the axle center of the desulfurizing tower is arranged on the outer side of the boss, and guide rods extend out of two end faces of the fixing frame to extend into the supporting frame; The bottom of adsorbent filling mechanism is provided with the flow distribution plate, is the back taper structure, the top of flow distribution plate is provided with double-deck accuse flow board, is connected with upper and lower open-ended toper passageway between the adjacent accuse flow board. Preferably, the upper layer of the adsorbent filling mechanism is provided with an interception layer, a main desulfurization layer and a pretreatment layer from top to bottom in sequence, and the pretreatment layer is positioned above the flow control plate. Preferably, reinforcing columns are fixedly connected between adjacent bosses and positioned on the front side and the rear side of the desulfurizing tower, and are butted with the end faces of the fixing frame. Preferably, the right side of the reinforcing column is protruded with a convex sleeve, and the guide rod is arranged in the convex sleeve in a penetrating manner. Preferably, the upper end and the lower end of the support frame are fixedly provided with telescopic control parts connected with the outer wall of the desulfurizing tower, the inner side of the support frame is protruded with convex blocks which are propped against the upper surface and the lower surface of the guide rod, and positioning holes for butting the support rods with the end parts of the guide rod are arranged between the adjacent convex blocks. Preferably, an inner frame is fixed on the inner side of the fixing frame, and side sealing parts are filled on the upper surface, the lower surface and the section through grooves. Preferably, the inner layer of the inner frame is a circular ring structure, and the outer side of the circular ring structure separated from the fixing frame is filled with an outer sealing part to prop against the inner wall of the desulfurizing tower. The utility model has the following beneficial effects: According to the utility model, the drawer type adsorbent filling mechanism is arranged in a layered manner, and the built-in adsorbent filling mechanism can be directly taken out through the separation of the fixing frame when the adsorbent needs to be replaced, so that the problem of complicated shutdown pressure relief procedures is solved, and the disassembly and replacement work can be completed in a short time. The bottom of the built-in adsorbent filling mechanism adopts a double-layer guide plate structure, a conical flow passage is formed between the double-layer guide plate structure and the double-layer guide plate structure, and gas is uniformly dispersed in the conical passages at different positions by combining the flow distribution of the flow distribution plate, so that the early invalidation of the adsorbent i