Gas distribution pipe structure

Abstract

The utility model relates to a gas distribution pipe structure which comprises a cylinder body, a gas inlet piece, a gas distribution main pipe, a gas transverse distribution branch pipe and a gas vertical distribution branch pipe, the inner free tail ends of the gas transverse distribution branch pipes are connected with the first connecting pipes through second inner flanges, a plurality of second connecting pipes are welded to the lower portion of each gas transverse distribution branch pipe, and the upper free tail ends of the gas vertical distribution branch pipes are connected with the second connecting pipes through third inner flanges. The outer free tail end of the gas transverse distribution branch pipe is connected with the cylinder body through a first connecting mechanism and a second connecting mechanism, and the free tail end, provided with the first baffle, of the gas distribution header pipe is connected with the cylinder body through a third connecting mechanism; and the plurality of gas vertical distribution branch pipes in the same row are connected through flat steel, second U-shaped bolts and second nuts, so that the distribution uniformity is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of reactors, in particular to a gas distribution pipe structure of a reactor.

Background Art

[0002] A reactor is a device for realizing a reaction process and is applied to industrial sectors such as chemical engineering, oil refining, metallurgy, and light industry. A reactor is composed of components such as a shell and a gas distributor. Among them, the gas distributor is the core component of the reactor, and the rationality of its structure and the uniformity of distribution will directly affect the reaction efficiency of the reactor.

Content of the Utility Model

[0003] To solve the above problems, the purpose of the utility model is to provide a gas distribution pipe structure that is convenient for installation and disassembly and has uniform distribution.

[0004] To achieve the above object, the technical solution adopted by the present utility model is as follows: A gas distribution pipe structure, comprising: a cylinder body, a gas inlet part, a gas distribution main pipe, a plurality of gas horizontal distribution branch pipes and a plurality of gas vertical distribution branch pipes. The gas inlet part penetrates through the cylinder body. The gas distribution main pipe, the gas horizontal distribution branch pipes and the gas vertical distribution branch pipes are arranged inside the cylinder body. One free end of the gas distribution main pipe is connected to the gas inlet part through a first internal flange. A first baffle is provided at the other free end of the gas distribution main pipe. A plurality of first connecting pipes are welded on both sides of the gas distribution main pipe. The inner free end of the gas horizontal distribution branch pipe is connected to the first connecting pipe through a second internal flange. A second baffle is provided at the outer free end of the gas horizontal distribution branch pipe. A plurality of second connecting pipes are welded below each gas horizontal distribution branch pipe. The upper free end of the gas vertical distribution branch pipe is connected to the second connecting pipe through a third internal flange. The outer free end of the gas horizontal distribution branch pipe is connected to the cylinder body by a first connecting mechanism and a second connecting mechanism. The first connecting mechanism is applicable to the position near the inspection port, and the second connecting mechanism is applicable to the position far from the inspection port. The first connecting mechanism includes an L-shaped connecting plate welded to the inner wall of the cylinder body, a first U-shaped bolt and a first nut. The first U-shaped bolt and the first nut fix the L-shaped connecting plate and the outer free end of the gas horizontal distribution branch pipe together. The second connecting mechanism includes a first connecting piece welded to the cylinder body, a second connecting piece welded to the outer free end of the gas horizontal distribution branch pipe, and a first fixing piece for fixing the first connecting piece and the second connecting piece. A third connecting mechanism is adopted between the free end of the gas distribution main pipe provided with the first baffle and the cylinder body. The third connecting mechanism includes a third connecting piece welded to the cylinder body, a fourth connecting piece welded to the gas distribution main pipe, and a second fixing piece for fixing the third connecting piece and the fourth connecting piece. A plurality of gas vertical distribution branch pipes in the same row are connected by a flat steel, a second U-shaped bolt and a second nut. The second U-shaped bolt and the second nut fix the gas vertical distribution branch pipe and the flat steel together. The two free ends of the flat steel are connected to the angle steel piece welded to the inner wall of the cylinder body through a third fixing piece.

[0005] Preferably, a gas distribution pipe structure in the present utility model is further provided as follows: The first fixing piece, the second fixing piece and the third fixing piece are all bolts and nuts.

[0006] Preferably, a gas distribution pipe structure in the present utility model is further provided as follows: The gas inlet part, the gas distribution main pipe, the gas horizontal distribution branch pipes and the gas vertical distribution branch pipes are all made of stainless steel materials.

[0007] Preferably, a gas distribution pipe structure in the present utility model is further provided as follows: The gas horizontal distribution branch pipes are perpendicularly arranged to the gas distribution main pipe.

[0008] Preferably, a gas distribution pipe structure in the present utility model is further configured such that the vertical gas distribution branch pipes are respectively perpendicular to the horizontal gas distribution branch pipes and the gas distribution main pipe.

[0009] Preferably, a gas distribution pipe structure in the present utility model is further configured such that the gas inlet member is composed of a connecting pipe and a flange.

[0010] Preferably, a gas distribution pipe structure in the present utility model is further configured such that the plurality of vertical gas distribution branch pipes are arranged in parallel.

[0011] Preferably, a gas distribution pipe structure in the present utility model is further configured such that a rib plate is provided between the L-shaped connecting plate and the cylinder body.

[0012] Compared with the prior art, the present utility model has the following beneficial effects: The gas distribution pipe structure in the present utility model has a simple structure and is convenient to install. Through the distribution of numerous connecting pipes in the horizontal and vertical directions, the distribution uniformity is greatly improved. The structural design of assembling the connecting pipe and the flange in the present utility model makes the installation, disassembly and maintenance of the entire gas distribution pipe relatively convenient.

Description of the Drawings

[0013] Figure 1 It is a front view structural schematic diagram of the gas distribution pipe structure in the present utility model.

[0014] Figure 2 It is a top view structural schematic diagram of the gas distribution pipe structure in the present utility model.

[0015] Figure 3 It is Figure 1 a sectional view structural schematic diagram along the A-A line shown.

[0016] Figure 4 It is a structural schematic diagram of the connection between the horizontal gas distribution branch pipe and the cylinder body through the second connection mechanism.

[0017] Figure 5 It is a structural schematic diagram of the connection between the vertical gas distribution branch pipe and the flat steel.

[0018] Figures 1 to 5Chinese: 1. Cylinder body, 2. Gas inlet part, 3. Main gas distribution pipe, 30. First baffle, 31. First connecting pipe, 4. Gas lateral distribution branch pipe, 40. Second baffle, 41. Second connecting pipe, 5. Gas vertical distribution branch pipe, 6. First inner flange, 7. Second inner flange, 8. Third inner flange, 9. Gas outlet, 10. First connecting mechanism, 100. L-shaped connecting plate, 101. First U-bolt, 102. Rib plate, 11. Second connecting mechanism, 110. First connecting piece, 111. Second connecting piece, 112. First fixing piece, 12. Inspection port, 13. Third connecting mechanism, 130. Third connecting piece, 131. Fourth connecting piece, 132. Second fixing piece, 14. Flat steel, 15. Second U-bolt, 16. Second nut, 17. Angle steel part.

Specific Embodiment

[0019] The following further describes in detail a gas distribution pipe structure according to the present utility model through specific embodiments.

[0020] Refer Figures 1 to 5As shown in the figure, a gas distribution pipe structure includes: a cylinder body 1, a gas inlet part 2, a gas distribution main pipe 3, a plurality of gas horizontal distribution branch pipes 4 and a plurality of gas vertical distribution branch pipes 5, and the plurality of gas vertical distribution branch pipes 5 are arranged in parallel. The gas horizontal distribution branch pipes 4 are perpendicular to the gas distribution main pipe 3, and the gas vertical distribution branch pipes 5 are respectively perpendicular to the gas horizontal distribution branch pipes 4 and the gas distribution main pipe 3. The gas inlet part 2 is composed of a connecting pipe and a flange, and the gas inlet part 2 penetrates through the cylinder body 1 (that is, part of the gas inlet part 2 is located inside the cylinder body 1 and part extends outside the cylinder body 1). The gas distribution main pipe 3, the gas horizontal distribution branch pipes 4 and the gas vertical distribution branch pipes 5 are arranged inside the cylinder body 1. One free end of the gas distribution main pipe 3 is connected to the gas inlet part 2 through a first inner flange 6, and a first baffle 30 is provided at the other free end of the gas distribution main pipe 3, so as to form a closed structure inside the gas distribution main pipe 3. A plurality of first connecting pipes 31 are welded on both sides of the gas distribution main pipe 3. The inner free end of the gas horizontal distribution branch pipe 4 is connected to the first connecting pipe 31 through a second inner flange 7. A second baffle 40 is provided at the outer free end of the gas horizontal distribution branch pipe 4, so as to form a closed structure inside the gas horizontal distribution branch pipe 4. A plurality of second connecting pipes 41 are welded below each gas horizontal distribution branch pipe 4. The upper free end of the gas vertical distribution branch pipe 5 is connected to the second connecting pipe 41 through a third inner flange 8. The lower free end of the gas vertical distribution branch pipe 5 is not closed, so as to form a gas outlet 9. The outer free end of the gas horizontal distribution branch pipe 4 is connected to the cylinder body 1 through a first connection mechanism 10 and a second connection mechanism 11. The first connection mechanism 10 is applicable to the position close to the inspection port 12, and the second connection mechanism 11 is applicable to the position far from the inspection port 12. The first connection mechanism 10 includes an L-shaped connecting plate 100 welded to the inner wall of the cylinder body 1, a first U-shaped bolt 101 and a first nut (not shown). The first U-shaped bolt 101 and the first nut fix the L-shaped connecting plate 100 and the outer free end of the gas horizontal distribution branch pipe 4 together. A rib plate 102 is provided between the L-shaped connecting plate 100 and the cylinder body 1. The second connection mechanism 11 includes a first connecting piece 110 welded to the cylinder body 1, a second connecting piece 111 welded to the outer free end of the gas horizontal distribution branch pipe 4 and a first fixing piece 112 for fixing the first connecting piece 110 and the second connecting piece 111. In this embodiment, the number of the first connection mechanisms 10 is two, and the number of the second connection mechanisms 11 is six.The free end of the gas distribution main pipe 3 where the first baffle 30 is provided is connected to the cylinder body 1 by a third connection mechanism 13. The third connection mechanism 13 includes a third connecting member 130 welded to the cylinder body 1, a fourth connecting member 131 welded to the gas distribution main pipe 3, and a second fixing member 132 for fixing the third connecting member 130 and the fourth connecting member 131. A plurality of gas vertical distribution branch pipes 5 in the same row are connected by a flat steel 14, a second U-shaped bolt 15 and a second nut 16. The second U-shaped bolt 15 and the second nut 16 fix the gas vertical distribution branch pipe 5 and the flat steel 14 together. The two free ends of the flat steel 14 are connected to an angle steel member 17 welded to the inner wall of the cylinder body 1 by a third fixing member (not shown). In this embodiment, the first fixing member 112, the second fixing member 132 and the third fixing member are all bolts and nuts. The gas inlet member 2, the gas distribution main pipe 3, the gas horizontal distribution branch pipe 4 and the gas vertical distribution branch pipe 5 are all made of stainless steel material, so they have good corrosion resistance.

[0021] In summary, the gas distribution pipe structure in the present utility model is simple in structure and convenient to install. Through the distribution of numerous horizontal and vertical connecting pipes, the distribution uniformity is greatly improved. The structure design of assembling the connecting pipes with the flange in the present utility model makes the whole gas distribution pipe convenient for disassembly, installation and maintenance.

[0022] The above embodiments only illustrate the principle and efficacy of the present invention creatively and some applied embodiments, rather than limiting the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the creative concept of the present invention, several modifications and improvements can be made, and these all belong to the protection scope of the present invention.

Claims

1. A gas distribution pipe structure, characterized in that: Comprising: A cylinder body, a gas inlet piece, a main gas distribution pipe, several transverse gas distribution branch pipes and several vertical gas distribution branch pipes. The gas inlet piece penetrates through the cylinder body. The main gas distribution pipe, the transverse gas distribution branch pipes and the vertical gas distribution branch pipes are arranged inside the cylinder body. One free end of the main gas distribution pipe is connected to the gas inlet piece through a first internal flange. Another free end of the main gas distribution pipe is provided with a first baffle. Several first connecting pipes are welded on both sides of the main gas distribution pipe. The inner free end of the transverse gas distribution branch pipe is connected to the first connecting pipe through a second internal flange. The outer free end of the transverse gas distribution branch pipe is provided with a second baffle. Several second connecting pipes are welded below each transverse gas distribution branch pipe. The upper free end of the vertical gas distribution branch pipe is connected to the second connecting pipe through a third internal flange. The outer free end of the transverse gas distribution branch pipe is connected to the cylinder body by a first connecting mechanism and a second connecting mechanism. The first connecting mechanism is applicable to the position near the inspection port, and the second connecting mechanism is applicable to the position far from the inspection port. The first connecting mechanism includes an L-shaped connecting plate welded to the inner wall of the cylinder body, a first U-shaped bolt and a first nut. The first U-shaped bolt and the first nut fix the L-shaped connecting plate and the outer free end of the transverse gas distribution branch pipe together. The second connecting mechanism includes a first connecting piece welded to the cylinder body, a second connecting piece welded to the outer free end of the transverse gas distribution branch pipe and a first fixing piece for fixing the first connecting piece and the second connecting piece. The free end of the main gas distribution pipe provided with the first baffle is connected to the cylinder body by a third connecting mechanism. The third connecting mechanism includes a third connecting piece welded to the cylinder body, a fourth connecting piece welded to the main gas distribution pipe and a second fixing piece for fixing the third connecting piece and the fourth connecting piece. Several vertical gas distribution branch pipes in the same row are connected by flat steel, a second U-shaped bolt and a second nut. The second U-shaped bolt and the second nut fix the vertical gas distribution branch pipe and the flat steel together. The two free ends of the flat steel are connected to the angle steel piece welded to the inner wall of the cylinder body by a third fixing piece.

2. The gas distribution pipe structure according to claim 1, wherein: The first fixing piece, the second fixing piece and the third fixing piece are all bolts and nuts.

3. The gas distribution pipe structure according to claim 1, wherein: The gas inlet piece, the main gas distribution pipe, the transverse gas distribution branch pipes and the vertical gas distribution branch pipes are all made of stainless steel material.

4. A gas distribution pipe structure according to claim 1, characterized in that: The transverse gas distribution branch pipe is perpendicularly arranged to the main gas distribution pipe.

5. The gas distribution pipe structure according to claim 1, characterized in that: The vertical gas distribution branch pipes are respectively perpendicularly arranged to the transverse gas distribution branch pipe and the main gas distribution pipe.

6. The gas distribution pipe structure according to claim 1, wherein: The gas inlet piece is composed of a connecting pipe and a flange.

7. A gas distribution pipe structure according to claim 1, characterized in that: The several vertical gas distribution branch pipes are arranged in parallel.

8. The gas distribution pipe structure according to claim 1, wherein: A rib plate is provided between the L-shaped connecting plate and the cylinder body.

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