CN103657534B - Have fixed bed supporting construction and the processing method thereof of fluid distrbution effect concurrently - Google Patents
Have fixed bed supporting construction and the processing method thereof of fluid distrbution effect concurrently Download PDFInfo
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- CN103657534B CN103657534B CN201210324593.8A CN201210324593A CN103657534B CN 103657534 B CN103657534 B CN 103657534B CN 201210324593 A CN201210324593 A CN 201210324593A CN 103657534 B CN103657534 B CN 103657534B
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- distributing barrel
- inside distributor
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Abstract
The present invention relates to a kind of the fixed bed supporting construction and the processing method thereof that have fluid distrbution effect concurrently, can be applicable to the second dehydrogenation reactor in chemical industry, petrochemical industry styrene device.It comprises low head, reactor shell, fixed bed carrying cylinder, interior end socket, outer distributing barrel and inside distributor; Wherein: described low head upper end is connected with reactor shell lower end; Described fixed bed carrying cylinder is arranged in low head and reactor shell, and its lower end is connected with low head by outer distributing barrel locating ring, and this fixed bed carrying cylinder upper end is connected with interior end socket, and this fixed bed carrying cylinder has round; Described interior end socket upper end is connected with outer distributing barrel lower end; Described inside distributor lower end is connected with interior end socket by inside distributor locating ring; Between described inside distributor and outer distributing barrel, there is catalyst bed; Described inside distributor, outer distributing barrel and reactor shell are coaxially arranged.Structure of the present invention is simple, is easy to manufacture, install, simultaneously not by the restriction of reactor diameter, and strong adaptability; Reaction gas is evenly distributed, and may extend to the gas phase fixed bed reactors that other are similar.
Description
Technical field
The invention belongs to the partial structurtes of chemical industry equipment, particularly a kind of fixed bed supporting construction and processing method thereof having fluid distrbution effect concurrently, can be applicable to the second dehydrogenation reactor in chemical industry, petrochemical industry styrene device.
Background technology
Existing second dehydrogenation reactor fixed bed supporting construction is as shown in Figure 1: technological reaction gas 11 through inside distributor 10 inflow catalyst bed 8, carries out chemical reaction from reactor central authorities in catalyst bed 8, and after through outer distributing barrel 7 outflow reactor.Shortcoming is: because inside distributor 10, outer distributing barrel 7, reactor shell 5 weld with low head 3 direct-assembling respectively, be difficult to ensure the axiality between inside distributor 10, outer distributing barrel 7, reactor shell 5, therefore the thickness deviation of catalyst bed 8 is comparatively large, technological reaction gas 11 distributes not too even.
Summary of the invention
The object of the present invention is to provide a kind of the fixed bed supporting construction and the processing method thereof that have fluid distrbution effect concurrently, mainly solve the defect of above-mentioned prior art, structure of the present invention is simple, is easy to manufacture, install, simultaneously not by the restriction of reactor diameter, strong adaptability; Reaction gas is evenly distributed, and may extend to the gas phase fixed bed reactors that other are similar.
For achieving the above object, the present invention realizes like this.
Have a fixed bed supporting construction for fluid distrbution effect concurrently, it is characterized in that: it comprises low head, reactor shell, fixed bed carrying cylinder, interior end socket, outer distributing barrel and inside distributor; Wherein: described low head upper end is connected with reactor shell lower end; Described fixed bed carrying cylinder is arranged in low head and reactor shell, and its lower end is connected with low head by outer distributing barrel locating ring, and this fixed bed carrying cylinder upper end is connected with interior end socket, and this fixed bed carrying cylinder has round; Described interior end socket upper end is connected with outer distributing barrel lower end; Described inside distributor lower end is connected with interior end socket by inside distributor locating ring; Between described inside distributor and outer distributing barrel, there is catalyst bed; Described inside distributor, outer distributing barrel and reactor shell are coaxially arranged.
The fixed bed supporting construction of the described fluid distrbution effect that has concurrently, is characterized in that: described low head lower end connects skirt.
A kind of processing method having the fixed bed supporting construction of fluid distrbution effect as above concurrently, it is characterized in that: its procedure of processing is, first outer distributing barrel locating ring is welded with low head, machined low head end face, outer distributing barrel locating ring, ensure the axiality of low head end face and outer distributing barrel locating ring; Assembly welding fixed bed carrying cylinder, interior end socket, inside distributor locating ring successively again, following end socket end face is benchmark, end socket end face, inside distributor locating ring in machined, ensures the axiality of low head end face and interior end socket end face, inside distributor locating ring three; Then outer distributing barrel and interior end socket end face assembly welding, inside distributor and inside distributor locating ring assembly welding.
Above structure also compared with prior art, the invention has the advantages that: fixed bed carrying cylinder has round, has fluid distribution effect and fixed bed supporting role again concurrently; Ensure the axiality between inside and outside distributing barrel, between outer distributing barrel and reactor shell, the thickness deviation of catalyst bed is little, and technological reaction gas is evenly distributed; Structure is simple, is convenient to manufacture, install, and economical rationality.
Accompanying drawing explanation
Fig. 1 is existing second dehydrogenation reactor fixed bed supporting construction.
In Fig. 1: 1-skirt, 3-low head, 5-reactor shell, 7-outer distributing barrel
8-catalyst bed, 10-inside distributor, 11-technological reaction gas
Fig. 2 is structural representation of the present invention.
Fig. 3 is fixed bed carrying cylinder syndeton schematic diagram in the present invention.
Fig. 4 is fixed bed carrying cylinder and low head syndeton schematic diagram in the present invention.
Fig. 5 is inside distributor and interior end socket syndeton schematic diagram in the present invention.
Fig. 6 is the row hole structure schematic diagram of fixed bed carrying cylinder in the present invention.
In Fig. 2,3,4,5,6: 1-skirt, 2-outer distributing barrel locating ring, 3-low head, 4-fixed bed carrying cylinder, 5-reactor shell, 6-interior end socket, 7-outer distributing barrel, 8-catalyst bed, 9-inside distributor locating ring, 10-inside distributor, 11-technological reaction gas, 12-round, 13-low head end face, 14-interior end socket end face.
Detailed description of the invention
Refer to Fig. 2-6, the invention discloses a kind of fixed bed supporting construction having fluid distrbution effect concurrently.As shown in the figure: it comprises low head 3, reactor shell 5, fixed bed carrying cylinder 4, interior end socket 6, outer distributing barrel 7 and inside distributor 10; Wherein: described low head 3 upper end is connected with reactor shell 5 lower end; Described fixed bed carrying cylinder 4 is arranged in low head 3 and reactor shell 5, and its lower end is connected with low head 3 by outer distributing barrel locating ring 2, and this fixed bed carrying cylinder 4 upper end is connected with interior end socket 6, and this fixed bed carrying cylinder 4 has round 12; Described interior end socket 6 upper end is connected with outer distributing barrel 7 lower end; Described inside distributor 10 lower end is connected with interior end socket 6 by inside distributor locating ring 9; Between described inside distributor 10 and outer distributing barrel 7, there is catalyst bed 8; Described inside distributor 10, outer distributing barrel 7 and reactor shell 5 are coaxially arranged.Described low head 3 lower end connects skirt 1.
A kind of processing method having the fixed bed supporting construction of fluid distrbution effect as above concurrently, its procedure of processing is, first outer distributing barrel locating ring 2 is welded with low head 3, machined low head end face 13, outer distributing barrel locating ring 2, ensure the axiality of low head end face 13 and outer distributing barrel locating ring 2; Assembly welding fixed bed carrying cylinder 4, interior end socket 6, inside distributor locating ring 9 successively again, following end socket end face 13 is benchmark, end socket end face 14, inside distributor locating ring 9 in machined, ensure the axiality of low head end face 13 and interior end socket end face 14, inside distributor locating ring 9 three; Then outer distributing barrel 7 and interior end socket end face 14 assembly welding, inside distributor 10 and inside distributor locating ring 9 assembly welding.
Structure of the present invention second dehydrogenation reactor applicatory is ethylbenzene dehydrogenation Axial and radial fixed bed reactors.During use, technological reaction gas 11 from reactor central authorities through inside distributor 10 inflow catalyst bed 8, in catalyst bed, carry out chemical reaction, and after through outer distributing barrel 7, fixed bed carrying cylinder 4 outflow reactor.Require that technological reaction gas distributes very evenly, the thickness deviation of catalyst bed is very little, therefore require very high to the axiality between inside distributor 10 and outer distributing barrel 7 and reactor shell 5.
Feature of the present invention is: 1. fixed bed carrying cylinder 4 has round 12, has fluid distribution effect and fixed bed supporting role again concurrently; 2. can ensure the axiality between inside and outside distributing barrel, between outer distributing barrel and reactor shell, meet the requirement that process fluid is evenly distributed; 3. structure is simple, is convenient to manufacture, install, and economical rationality.
Claims (3)
1. have a fixed bed supporting construction for fluid distrbution effect concurrently, it is characterized in that: it comprises low head (3), reactor shell (5), fixed bed carrying cylinder (4), interior end socket (6), outer distributing barrel (7) and inside distributor (10); Wherein: described low head (3) upper end is connected with reactor shell (5) lower end; Described fixed bed carrying cylinder (4) is arranged in low head (3) and reactor shell (5), its lower end is connected with low head (3) by outer distributing barrel locating ring (2), this fixed bed carrying cylinder (4) upper end is connected with interior end socket (6), this fixed bed carrying cylinder (4) has the round (12) for technological reaction gas outflow reactor; Described interior end socket (6) upper end is connected with outer distributing barrel (7) lower end; Described inside distributor (10) lower end is connected with interior end socket (6) by inside distributor locating ring (9); Between described inside distributor (10) and outer distributing barrel (7), there is catalyst bed (8); Described inside distributor (10), outer distributing barrel (7) and reactor shell (5) are coaxially arranged.
2. the fixed bed supporting construction having fluid distrbution effect concurrently according to claim 1, is characterized in that: described low head (3) lower end connects skirt (1).
3. one kind has the processing method of the fixed bed supporting construction of fluid distrbution effect as claimed in claim 1 or 2 concurrently, it is characterized in that: its procedure of processing is, first outer distributing barrel locating ring (2) is welded with low head (3), machined low head end face (13), outer distributing barrel locating ring (2), ensure the axiality of low head end face (13) and outer distributing barrel locating ring (2); Assembly welding fixed bed carrying cylinder (4), interior end socket (6), inside distributor locating ring (9) successively again, following end socket end face (13) is benchmark, end socket end face (14), inside distributor locating ring (9) in machined, ensure low head end face (13) with interior end socket end face (14), inside distributor locating ring (9) three axiality; Then outer distributing barrel (7) and interior end socket end face (14) assembly welding, inside distributor (10) and inside distributor locating ring (9) assembly welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324593.8A CN103657534B (en) | 2012-09-05 | 2012-09-05 | Have fixed bed supporting construction and the processing method thereof of fluid distrbution effect concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324593.8A CN103657534B (en) | 2012-09-05 | 2012-09-05 | Have fixed bed supporting construction and the processing method thereof of fluid distrbution effect concurrently |
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| Publication Number | Publication Date |
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| CN103657534A CN103657534A (en) | 2014-03-26 |
| CN103657534B true CN103657534B (en) | 2016-01-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001456A (en) * | 2014-06-05 | 2014-08-27 | 中石化上海工程有限公司 | Fixed bed supporting structure with fluid distributing effect |
| CN105798567B (en) * | 2016-03-17 | 2017-11-24 | 苏州海陆重工股份有限公司 | The installation method of inside and outside distributing barrel in dehydrogenation reactor |
| CN107246817A (en) * | 2017-06-09 | 2017-10-13 | 南通科赛尔机械有限公司 | A kind of anti-end socket preheating wheel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813088Y (en) * | 2005-09-13 | 2006-09-06 | 中国石油化工集团公司 | Adjustable multi-point contact radial supporting structure |
| CN201664604U (en) * | 2009-08-20 | 2010-12-08 | 上海国际化建工程咨询公司 | Built-in cold-wall shift reactor of heat exchanger |
| US7906081B2 (en) * | 2008-05-13 | 2011-03-15 | Uop Llc | Internal grids for adsorbent chambers and reactors |
| CN102580624A (en) * | 2012-02-21 | 2012-07-18 | 上海国际化建工程咨询公司 | Radial or axial radial fixed bed reactor with support type slot plate distributor |
-
2012
- 2012-09-05 CN CN201210324593.8A patent/CN103657534B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813088Y (en) * | 2005-09-13 | 2006-09-06 | 中国石油化工集团公司 | Adjustable multi-point contact radial supporting structure |
| US7906081B2 (en) * | 2008-05-13 | 2011-03-15 | Uop Llc | Internal grids for adsorbent chambers and reactors |
| CN201664604U (en) * | 2009-08-20 | 2010-12-08 | 上海国际化建工程咨询公司 | Built-in cold-wall shift reactor of heat exchanger |
| CN102580624A (en) * | 2012-02-21 | 2012-07-18 | 上海国际化建工程咨询公司 | Radial or axial radial fixed bed reactor with support type slot plate distributor |
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| CN103657534A (en) | 2014-03-26 |
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