一种适用于中型试验装置固定床反应器的进料分配器

Abstract

本实用新型公开了一种适用于中型试验装置固定床反应器的进料分配器，其包括设于反应器内的一级分配器，一级分配器下方设有二级分配器，一级分配器为带小孔的分配头；二级分配器包括底板，底板上设有半环形的溢流条孔，溢流条孔沿环形的两侧设有向上延伸的溢流环板，相邻溢流环板之间形成的积液槽与位于两侧溢流条孔之间的通道连通。反应器进料经第一分配器的小孔缓冲分布后落在第二分配器底板上，避免大股物流冲击在分布盘上造成局部液体涌入溢流条孔引起分布不均。第二分配器底板上的液面在上升至溢流环板上沿后漫过溢流环板，通过环形条孔落入下面催化剂床层上表面数个半圆形环面上，保证物料在催化剂床层均匀分布。

Claims

1. A feed distributor suitable for use in a fixed bed reactor of a pilot plant unit, characterized in that, The reactor includes a primary distributor (3) located inside the reactor (1), and a secondary distributor (5) located below the primary distributor (3). The primary distributor (3) is a distribution head with a small hole (4) and is connected to the feed pipe (2) extending to the outside of the reactor (1). The secondary distributor (5) includes a horizontally arranged base plate (6) with symmetrically arranged and concentrically arranged semi-annular overflow strip holes (7) on the base plate (6). The overflow strip holes (7) have upwardly extending overflow ring plates (8) on both sides of the ring. The liquid accumulation trough (10) formed between adjacent overflow ring plates (8) is connected to the channel (16) located between the overflow strip holes (7) on both sides.

2. A feed distributor suitable for use in a fixed bed reactor of a pilot plant unit as claimed in claim 1, characterized in that, The channel (16) is arranged along the diameter of the base plate (6).

3. The feed distributor suitable for use in a fixed bed reactor of a pilot plant unit according to claim 1, characterized in that, The outer edge of the base plate (6) is provided with an upwardly extending flange (11), and the top of the flange (11) is provided with an outward extension edge (12) extending towards the inner wall of the reactor (1). The inner wall of the flange at the top of the reactor (1) is provided with a support edge. The outward extension edge (12) is limited at the upper surface of the support edge, and after the secondary distributor (5) is installed, the upper surface of the outward extension edge (12) is lower than the connection surface of the flange.

4. The feed distributor suitable for use in a fixed bed reactor of a pilot plant unit according to claim 1, characterized in that, The primary distributor (3) is shaped like a lotus seed head.

5. The feed distributor for a fixed-bed reactor in a medium-sized pilot plant as described in claim 1, characterized in that, The width of the overflow strip hole (7) is 5-10mm, the height of the overflow ring plate (8) is 10-20mm, and all overflow ring plates (8) have the same height, that is, the upper edge of the overflow ring plate (8) is on the same horizontal plane.

6. A feed distributor suitable for use in a fixed bed reactor of a pilot plant installation according to claim 1 or 5, characterized in that The height of the folded edge (11) is greater than the height of the overflow ring plate (8).

7. The feed distributor suitable for use in a fixed bed reactor of a pilot plant unit according to claim 1, characterized in that, Each pair of overflow ring plates (8) is provided with an annular bubble (9) above it. The width of the annular bubble (9) is greater than the width of the overflow strip hole (7) to cover the corresponding overflow strip hole (7).

8. A feed distributor suitable for use in a fixed bed reactor of a pilot plant unit as claimed in claim 7, characterised in that, The annular blister (9) is connected to the overflow ring plate (8) by a pair of symmetrically arranged connecting rods (13).

9. The feed distributor suitable for use in a fixed bed reactor of a pilot plant unit according to claim 7, characterized in that, The outer wall of the annular blister (9) has multiple ventilation holes (14) to facilitate the passage of gaseous materials. The lower edge of the ventilation holes (14) is higher than the upper edge of the overflow ring plate (8), and the lower edge of the annular blister (9) is lower than the upper edge of the overflow ring plate (8).

10. The feed distributor suitable for use in a fixed bed reactor of a pilot plant unit according to claim 9, characterized in that, The ventilation slot (14) is formed by the outer edge (15) of the ventilation slot protruding from the outer side wall of the annular blister (9). The thickness of the protruding outer edge (15) of the ventilation slot is 2-5 mm, and the protruding surface of the outer edge (15) of the ventilation slot is an extended structure.

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