CN103657534A - Fixed bed support structure with fluid distribution function and processing method thereof - Google Patents
Fixed bed support structure with fluid distribution function and processing method thereof Download PDFInfo
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- CN103657534A CN103657534A CN201210324593.8A CN201210324593A CN103657534A CN 103657534 A CN103657534 A CN 103657534A CN 201210324593 A CN201210324593 A CN 201210324593A CN 103657534 A CN103657534 A CN 103657534A
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Abstract
The invention relates to a fixed bed support structure with a fluid distribution function and a processing method of the fixed bed support structure. The fixed bed support structure can be applied to a second dehydrogenation reactor in a styrene device of the chemical industry or petrochemical industry. The fixed bed support structure comprises a lower seal head, a reactor barrel, a fixed bed support cylinder, an internal seal head, an external distribution barrel and an internal distribution barrel, wherein the upper end of the lower seal head is connected with the lower end of the reactor barrel; the fixed bed support cylinder is arranged in the lower seal head and the reactor barrel; the lower end of the fixed bed support cylinder is connected with the lower seal head by an external distribution barrel locating ring, and the upper end of the fixed bed support cylinder is connected with the internal seal head; the fixed bed support cylinder is provided with a discharge hole; the upper end of the internal seal head is connected with the lower end of the external distribution barrel; the lower end of the internal distribution barrel is connected with the internal seal head by an internal distribution barrel locating ring; a catalyst bed is arranged between the internal distribution barrel and the external distribution barrel; the internal distribution barrel, the external distribution barrel and the reactor barrel are arranged in a coaxial way. The fixed bed support structure is simple, easy to manufacture and install and high in adaptability, and is not limited by the diameter of the reactor; reaction gas is evenly distributed, so that the fixed bed support structure can be applied to other similar gas phase fixed bed reactors.
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 that has fluid distribution effect concurrently, can be applicable to the second dehydrogenation reactor in chemical industry, petrochemical industry styrene device.
Background technology
Existing the second dehydrogenation reactor fixed bed supporting construction is as shown in Figure 1: technological reaction gas 11 through inside distributor 10 inflow catalyst beds 8, carries out chemical reaction from reactor central authorities in catalyst bed 8, and by outer distributing barrel 7 outflow reactors.Shortcoming is: because inside distributor 10, outer distributing barrel 7, reactor shell 5 weld with low head 3 direct-assemblings respectively, be difficult to guarantee the axiality between inside distributor 10, outer distributing barrel 7, reactor shell 5, therefore the thickness deviation of catalyst bed 8 is larger, technological reaction gas 11 distributes not too even.
Summary of the invention
The object of the present invention is to provide a kind of fixed bed supporting construction and processing method thereof that has fluid distribution effect concurrently, the defect that mainly solves above-mentioned prior art, the present invention is simple in structure, is easy to manufacture, install, be not subject to the restriction of reactor diameter, strong adaptability simultaneously; Reaction gas is evenly distributed, and may extend to other similar gas phase fixed bed reactors.
For achieving the above object, the present invention realizes like this.
A fixed bed supporting construction that has fluid distribution effect concurrently, 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, on 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 coaxially arrange.
The described fixed bed supporting construction that has fluid distribution effect concurrently, is characterized in that: described low head lower end connects skirt.
A kind of processing method that has the fixed bed supporting construction of fluid distribution effect concurrently as above, it is characterized in that: its procedure of processing is, first by outer distributing barrel locating ring and low head welding, machined low head end face, outer distributing barrel locating ring, the axiality of assurance 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 guarantee low head end face and interior end socket end face, inside distributor locating ring three's axiality; Then outer distributing barrel and interior end socket end face assembly welding, inside distributor and inside distributor locating ring assembly welding.
By said structure also compared with prior art, the invention has the advantages that: on fixed bed carrying cylinder, have round, have fluid distribution effect and fixed bed supporting role again concurrently; Guarantee between inside and outside distributing barrel, the axiality between outer distributing barrel and reactor shell, the thickness deviation of catalyst bed is little, technological reaction gas is evenly distributed; Simple in structure, be convenient to manufacture, install, and economical rationality.
Accompanying drawing explanation
Fig. 1 is existing the 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.
The specific embodiment
Refer to Fig. 2-6, the invention discloses a kind of fixed bed supporting construction that has fluid distribution 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 ends are connected with reactor shell 5 lower ends; 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 these fixed bed carrying cylinder 4 upper ends are connected with interior end socket 6, on this fixed bed carrying cylinder 4, have round 12; Described interior end socket 6 upper ends are connected with outer distributing barrel 7 lower ends; Described inside distributor 10 lower ends are 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 coaxially arrange.Described low head 3 lower ends connect skirt 1.
A kind of processing method that has the fixed bed supporting construction of fluid distribution effect concurrently as above, its procedure of processing is, first by outer distributing barrel locating ring 2 and low head 3 welding, machined low head end face 13, outer distributing barrel locating ring 2, the axiality of assurance 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, assurance low head end face 13 and interior end socket end face 14, inside distributor locating ring 9 threes' axiality; Then outer distributing barrel 7 and interior end socket end face 14 assembly weldings, inside distributor 10 and inside distributor locating ring 9 assembly weldings.
Structure of the present invention the second dehydrogenation reactor applicatory is ethylbenzene dehydrogenation axle radial fixed-bed reactor.During use, technological reaction gas 11 through inside distributor 10 inflow catalyst beds 8, carries out chemical reaction from reactor central authorities in catalyst bed, and by outer distributing barrel 7, fixed bed carrying cylinder 4 outflow reactors.Requirement technological reaction gas distributes very evenly, the thickness deviation of catalyst bed is very little, therefore to the axiality between inside distributor 10 and outer distributing barrel 7 and reactor shell 5, requires very high.
Feature of the present invention is: 1. on fixed bed carrying cylinder 4, have round 12, have fluid distribution effect and fixed bed supporting role again concurrently; 2. can guarantee between inside and outside distributing barrel, the axiality between outer distributing barrel and reactor shell, meet the requirement that process fluid is evenly distributed; 3. simple in structure, be convenient to manufacture, install, and economical rationality.
Claims (3)
1. a fixed bed supporting construction that has fluid distribution effect concurrently, 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), on 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) coaxially arrange.
2. the fixed bed supporting construction that has fluid distribution effect concurrently according to claim 1, is characterized in that: described low head (3) lower end connects skirt (1).
3. a processing method that has the fixed bed supporting construction of fluid distribution effect concurrently as claimed in claim 1 or 2, it is characterized in that: its procedure of processing is, first by outer distributing barrel locating ring (2) and low head (3) welding, machined low head end face (13), outer distributing barrel locating ring (2), the axiality of assurance 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, assurance low head end face (13) and interior end socket end face (14), inside distributor locating ring (9) three's 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 |
|---|---|
| CN103657534A true CN103657534A (en) | 2014-03-26 |
| CN103657534B CN103657534B (en) | 2016-01-20 |
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| CN201210324593.8A Active 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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Cited By (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 |
| CN105798567A (en) * | 2016-03-17 | 2016-07-27 | 苏州海陆重工股份有限公司 | Mounting method for inner distribution barrel and outer distribution 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 |
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| 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 |
Cited By (4)
| 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 |
| CN105798567A (en) * | 2016-03-17 | 2016-07-27 | 苏州海陆重工股份有限公司 | Mounting method for inner distribution barrel and outer distribution barrel in dehydrogenation reactor |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103657534B (en) | 2016-01-20 |
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