CN220677756U - Combined gas distributor and large reactor using same - Google Patents

Combined gas distributor and large reactor using same Download PDF

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Publication number
CN220677756U
CN220677756U CN202321473307.4U CN202321473307U CN220677756U CN 220677756 U CN220677756 U CN 220677756U CN 202321473307 U CN202321473307 U CN 202321473307U CN 220677756 U CN220677756 U CN 220677756U
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CN
China
Prior art keywords
distributor
rings
reactor
sections
plate
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Active
Application number
CN202321473307.4U
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Chinese (zh)
Inventor
姚泽龙
赵金龙
冯再南
楼韧
楼寿林
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Hangzhou Linda Chemical Technology Engineering Co ltd
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Hangzhou Linda Chemical Technology Engineering Co ltd
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Priority to CN202321473307.4U priority Critical patent/CN220677756U/en
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Abstract

The utility model discloses a combined gas distributor, which is used for controlling the gas flow distribution of a radial or axial radial flow reactor, wherein the distributor is axially divided into a plurality of sections of outer distributor rings, each section of outer distributor ring is formed by assembling a plurality of arc-shaped distribution plates, and two adjacent sections of distributor rings are connected through a reinforcing ring to enable the plurality of sections of distributor rings to be combined to form a gas distributor whole. The utility model also discloses a large-scale reactor adopting the combined gas distributor, which comprises a reactor shell, an outer distributor and an inner distributor, wherein the inner distributor and the outer distributor are concentric cylinders. The gas distributor and the reactor have the advantages of simple structure, convenient processing and maintenance, reduced transportation difficulty and processing cost, and shortened processing period.

Description

Combined gas distributor and large reactor using same
Technical Field
The utility model relates to the field of chemical reaction equipment, in particular to a combined gas distributor suitable for a radial or axial radial reactor and a large reactor adopting the gas distributor.
Technical Field
In a radial reactor, in order to form a catalyst basket filled with a catalyst and to make a raw material gas or a reaction gas flow in the radial direction of the reactor, a gas distributor including a central distributor and an outer distributor is required to be provided in the reactor. The central distributor and the outer distributor of a general radial reactor are prefabricated for the factory and then are arranged in the shell of the reactor. However, for some large-scale radial reactors with overrun transportation, the corresponding size of the distributor also has the problems of overrun transportation and high overall transportation and installation cost. This type of radial reactor and distributor requires on-site construction.
Disclosure of Invention
In order to overcome the problems, the utility model provides a combined gas distributor and a large-scale reactor adopting the same.
A combined gas distributor is characterized in that the distributor is axially divided into a plurality of sections of outer distributor rings, each section of outer distributor ring is formed by assembling a plurality of arc-shaped distribution plates, reinforcing rings are arranged at two ends of each distributor ring, and two adjacent sections of distributor rings are connected through the reinforcing rings to enable the plurality of sections of distributor rings to be combined to form a gas distributor body.
The gas distributor is a single-layer bridge orifice plate or a single-layer slotted screen plate, blocks the catalyst, is used as a gas circulation channel, and does not perform gas distribution control.
The gas distributor is formed by combining a porous plate serving as a gas distribution control layer and a bridge orifice plate for blocking a catalyst.
The gas distributor is formed by combining a porous plate serving as a gas distribution control layer and a slotted screen plate for blocking a catalyst.
The large-scale reactor adopting the gas distributor comprises a reactor shell, an outer distributor and an inner distributor, wherein the large-scale reactor is a radial reactor or an axial radial reactor, and the inner distributor and the outer distributor are concentric cylinders.
The outer distributor is axially divided into a plurality of sections of outer distributor rings, each section of outer distributor ring is formed by assembling a plurality of arc-shaped distribution plates, an axial supporting rib plate is arranged between the outer side of the outer distributor and the reactor shell, reinforcing rings are arranged at two ends of the corresponding outer distributor ring to form an outer distributor bracket, and two adjacent sections of outer distributor rings are connected through the outer distributor reinforcing rings to enable the plurality of sections of outer distributor rings to be combined to form an outer distributor whole;
the inner distributor is axially divided into a plurality of inner distributor rings, each section of inner distributor ring is composed of one or more arc-shaped distribution plates, axial supporting rib plates are arranged in the inner distributor, reinforcing rings are arranged at two ends of the corresponding inner distributor ring to form an inner distributor bracket, and two adjacent sections of inner distributor rings are connected through the inner distributor reinforcing rings to enable the inner distributor rings to be combined to form an inner distributor whole.
The inner distributor can be formed by a perforated plate cylinder section serving as a gas distribution control layer instead of an axial support rib plate.
The outer distributor and the inner distributor can increase strength by arranging a rigid ring, and also can increase strength by arranging connecting lacing wires between the outer distributor and the inner distributor.
When the outer distributor is multi-layer, the outer layer is a porous plate, and the inner layer is a bridge pore plate or a slotted screen plate.
When the inner distributor is multi-layer, the inner layer is a porous plate, and the outer layer is a bridge orifice plate or a slotted screen plate.
The gas distributor of the present utility model has the following advantages:
1. the gas distributor is formed by combining a plurality of sections of distributor rings along the axial direction, can be flexibly adjusted according to the size requirement of the reactor, is constructed, installed and spliced on site, reduces the transportation difficulty and the processing cost, and shortens the processing period.
2. The combined structure is convenient to process and install, and the reinforcing ring and the axial supporting rib form a whole, so that the structure is safe and reliable; when in maintenance, only the parts needing maintenance are replaced according to actual conditions, and the whole distributor does not need to be disassembled and replaced, so that the daily working efficiency and the working quality are improved, and the daily maintenance cost is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the reactor of the present utility model.
FIG. 2 is a schematic diagram of the structure of the distributor of the present utility model used as an external distributor.
Fig. 3 is an enlarged schematic view of the partial structure of a in fig. 1.
Fig. 4 is an enlarged schematic view of the partial structure of B in fig. 1.
Reference numerals illustrate:
1-air inlet 2-upper seal head 3-shell 4-axial supporting rib plate
5-outer distributor stiffener ring 6-outer distributor stiffener ring 7-outer distributor ring 8-center seal plate
9-inner distributor rigid ring 10-inner distributor reinforcing ring 11-catalyst basket bottom plate 12-lower seal head
13-air outlet 14-perforated plate 15-connecting lacing wire 16-inner distributor ring
17-arc-shaped distribution plate
Detailed Description
The large-scale reactor shown in fig. 1 comprises a reactor shell 3, an upper end enclosure 2 and a lower end enclosure 12, wherein an air inlet 1 is arranged on the upper end enclosure 2, an air outlet 13 is arranged on the lower end enclosure 12, an outer distributor and an inner distributor are arranged inside the reactor, the outer distributor is axially divided into a plurality of sections of outer distributor rings 7, each section of outer distributor rings 7 is formed by assembling a plurality of arc-shaped distribution plates 17 (see fig. 2), an axial supporting rib plate 4 is arranged between the outer side of each section of outer distributor and the reactor shell 2, outer distributor reinforcing rings 5 are arranged at two ends of the corresponding outer distributor rings to form an outer distributor bracket, and two adjacent sections of outer distributor rings 7 are connected through the outer distributor reinforcing rings 5 to form an outer distributor whole.
The inner distributor is axially divided into a plurality of inner distributor rings 16, each section of inner distributor ring 16 is composed of one or more arc-shaped distribution plates 17, the inner distributor uses a perforated plate 14 cylinder section to replace an axial support rib plate (see figure 4), inner distributor reinforcing rings 10 are arranged at two ends of the corresponding inner distributor ring to form an inner distributor bracket, and two adjacent sections of inner distributor rings are connected through the inner distributor reinforcing rings 10 to form an inner distributor whole.
The outer distributor and the inner distributor increase the strength by providing an outer distributor rigid ring 6 and an inner distributor rigid ring 9 (see fig. 3 and 4), and also increase the strength by providing connecting lacing wires 15 between the outer distributor and the inner distributor.

Claims (8)

1. A combination gas distributor, characterized by: the distributor is axially divided into a plurality of sections of outer distributor rings, each section of outer distributor ring is formed by assembling a plurality of arc-shaped distribution plates, reinforcing rings are arranged at two ends of each distributor ring to form an outer distributor bracket, and two adjacent sections of distributor rings are connected through the reinforcing rings to enable the plurality of sections of distributor rings to be combined to form the whole gas distributor.
2. The combined gas distributor according to claim 1, wherein: the distributor is a single-layer bridge orifice plate or a single-layer strip seam sieve plate.
3. The combined gas distributor according to claim 1, wherein: the distributor is a combination of a porous plate and a bridge orifice plate.
4. The combined gas distributor according to claim 1, wherein: the distributor is a combination of a porous plate and a slotted screen plate.
5. A large scale reactor employing the combined gas distributor of claim 1, comprising a reactor shell, an outer distributor, an inner distributor, characterized in that: the large reactor is a radial reactor or an axial radial reactor, and the inner distributor and the outer distributor are concentric cylinders;
the outer distributor is axially divided into a plurality of sections of outer distributor rings, each section of outer distributor ring is formed by assembling a plurality of arc-shaped distribution plates, an axial supporting rib plate is arranged between the outer side of the outer distributor and the reactor shell, reinforcing rings are arranged at two ends of the corresponding outer distributor ring to form an outer distributor bracket, and two adjacent sections of outer distributor rings are connected through the outer distributor reinforcing rings to enable the plurality of sections of outer distributor rings to be combined to form an outer distributor whole;
the inner distributor is axially divided into a plurality of inner distributor rings, each section of inner distributor ring is composed of one or more arc-shaped distribution plates, axial supporting rib plates are arranged in the inner distributor, reinforcing rings are arranged at two ends of the corresponding inner distributor ring to form an inner distributor bracket, and two adjacent sections of inner distributor rings are connected through the inner distributor reinforcing rings to enable the inner distributor rings to be combined to form an inner distributor whole.
6. The large scale reactor of claim 5, wherein: the inner distributor bracket is formed by replacing the axial supporting rib plates with porous plate cylinder sections in the inner distributor.
7. The large scale reactor of claim 5, wherein: when the outer distributor is multi-layer, the outer layer is a porous plate, and the inner layer is a bridge pore plate or a slotted screen plate.
8. The large scale reactor of claim 5, wherein: when the inner distributor is multi-layer, the inner layer is a porous plate, and the outer layer is a bridge orifice plate or a slotted screen plate.
CN202321473307.4U 2023-06-09 2023-06-09 Combined gas distributor and large reactor using same Active CN220677756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321473307.4U CN220677756U (en) 2023-06-09 2023-06-09 Combined gas distributor and large reactor using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321473307.4U CN220677756U (en) 2023-06-09 2023-06-09 Combined gas distributor and large reactor using same

Publications (1)

Publication Number Publication Date
CN220677756U true CN220677756U (en) 2024-03-29

Family

ID=90369419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321473307.4U Active CN220677756U (en) 2023-06-09 2023-06-09 Combined gas distributor and large reactor using same

Country Status (1)

Country Link
CN (1) CN220677756U (en)

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