CN201832616U - Reactor inlet preprocessor - Google Patents
Reactor inlet preprocessor Download PDFInfo
- Publication number
- CN201832616U CN201832616U CN2010205445386U CN201020544538U CN201832616U CN 201832616 U CN201832616 U CN 201832616U CN 2010205445386 U CN2010205445386 U CN 2010205445386U CN 201020544538 U CN201020544538 U CN 201020544538U CN 201832616 U CN201832616 U CN 201832616U
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- China
- Prior art keywords
- plate
- preprocessor
- reactor inlet
- reactor
- cylindrical shell
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- Expired - Fee Related
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Abstract
The utility model relates to a reactor inlet preprocessor, which comprises a flange plate, a cylinder, two hemi-cones, a top plate, a lifting lug, a baffle, a bottom plate, an upper porous plate, a lower porous plate and a positioning facility. The preprocessor is assembled in a manhole flange of a reactor through the flange plate, the two hemi-cones cut from the middle parts are arranged in the cylinder, the sidewall of the cylinder is provided with discharge holes, the hemi-cones are arranged on the bottom plate in the cylinder, the top plate is arranged on the upper part of the cylinder, the lifting lug is arranged on the top plate, the baffle is arranged at the inlet of a channel formed by the two hemi-cones, the upper porous plate and the lower porous plate are arranged just below the bottom plate, and the positioning facility is arranged on the lower edge of the cylinder. Compared with the prior art, the reactor inlet preprocessor has a simple structure, high mixing and distribution efficiency, small pressure drop and high comprehensive performance, and when the gas phase is fed into the reactor, the reactor inlet preprocessor can be operated independently as a feeding distribution device.
Description
Technical field
The utility model relates to a kind of pretreatment unit, and especially relating to a kind of inside reactor that is installed in can carry out pretreated reactor inlet preprocessor to reactor feedstocks.
Background technology
Hydrogenation reactor is one of key equipment in all kinds of oil hydrogenation plants.Hydrogenation reactor is that multilayer heat insulation, centre are hydrogen-cooled, volatile component is taken heat and the phase reactor of a large amount of hydrogen circulations.The quality of inside reactor device performance has determined the advance of hydrogenation technique with catalyst performance.The hydrogenation reactor interior arrangement should have good performance.Gas-liquid two-phase has comprehensive mixing, and liquid-solid two-phase has fully completely contact, and the catalyst surfaces externally and internally has enough wetting, and catalyst activity is fully played.The hydrogenation reactor interior arrangement should have lower pressure drop, to reduce the load of circulating hydrogen compressor, saves energy consumption.The structure of hydrogenation reactor interior arrangement also should be simple, compact, occupies little space, to reduce expensive hydrogenation reactor investment.For the enterprising trickle bed reactor that goes out down, answer configuration preprocesor before the feed distributor.Reactor gas-liquid two-phase raw material is through evenly being diffused on the whole reactor cross section after the preliminary treatment, and avoided the liquid level on the feed distributor directly to be subjected to the high speed impact of gas-liquid mixture.
Summary of the invention
The purpose of this utility model is exactly that a kind of simple in structure, mixing and allocative efficiency height, pressure drop is little, combination property is strong reactor inlet preprocessor are provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of reactor inlet preprocessor, it is characterized in that, this preprocessor comprises flanged plate, cylindrical shell, hemicone, top board, hanger, dividing plate, base plate, up-hole plate, orifice plate and location facilities, preprocessor is assemblied in the manhole flange inside of reactor through flanged plate, described inner barrel is provided with hemicone separated in two, sidewall has round, described hemicone is located on the interior base plate of cylindrical shell, described top board is located at cylindrical shell top, described hanger is located on the top board, described dividing plate is located at the feeder connection place that is made up of two hemicones, described up-hole plate and orifice plate be located at base plate under, described location facilities is located at the cylindrical shell lower limb.
The flanged plate that the utilization of described reactor inlet preprocessor is welded on the cylindrical shell is assemblied in reactor manhole flange inside, and fixes with manhole blind flange and securing member.
Described inner barrel is provided with hemicone separated in two, and middle gap forms the passage of fluid.
Described cylinder lateral wall is set up round, the hole be shaped as circular hole or slotted hole, formed the passage of another fluid.
Top board is equipped with on described hemicone top, hanger is set, with conveniently assemble and disassemble on the top board.
The described feeder connection place that is made up of two hemicones is provided with dividing plate, increases resistance drop in case the fluid stopping body produces eddy current when entering.
The described passage of being made up of two hemicones is vertical with the charging elbow, with the orientation of the inner hemicone of location facilities control preprocessor that is located at the cylindrical shell lower limb.
Be provided with two orifice plates that stack up and down of size under the described base plate, upper and lower orifice plate is welded under the base plate by connecting plate.
The perforate size of two circles is identical with orifice plate with quantity in the middle of the described up-hole plate, and upper and lower hole must be aimed at.
Described location facilities is made up of baffle plate and cover plate, cooperates the orientation of controlling hemicone with location-plate on being welded on the manhole flange inner wall.
Described inlet preprocessor base plate stretches out manhole flange bottom surface distance 25mm at least.
Compared with prior art, the utility model is simple in structure, mixing and allocative efficiency height, pressure drop is little, combination property is strong, when reactor is gas-phase feed, can use as feed distributor by independent operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that A among Fig. 1 is to view;
Fig. 3 is that D among Fig. 1 is to view;
Fig. 4 is the partial enlarged drawing of the I among Fig. 2;
Fig. 5 is the B-B cutaway view among Fig. 1;
Fig. 6 is the C-C cutaway view among Fig. 1.
1 is that flanged plate, 2 is that hanger, 3 is that top board, 4 is that cylindrical shell, 5 is that hemicone, 6 is that location facilities, 7 is that base plate, 8 is that up-hole plate, 9 is that dividing plate, 10 is that orifice plate, 11 is that connecting plate, 12 is that cover plate, 13 is that semicanal, 14 is the manhole flange among the figure.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
Pretreated inlet preprocessor can be carried out to reactor feedstocks in a kind of hydrogenation reactor inside that is installed in, its structure as shown in Figure 1, hydrogenation reactor inlet preprocessor is made up of the parts that comprise flanged plate 1, hanger 2, top board 3, cylindrical shell 4, hemicone 5, base plate 7, location facilities 6, up-hole plate 8, dividing plate 9, orifice plate 10 and connecting plate 11 etc., the flanged plate 1 that the utilization of inlet preprocessor is welded on the cylindrical shell is assemblied in reactor manhole flange 14 inside, and fixes with manhole blind flange and securing member.The inside of cylindrical shell 4 is provided with hemicone separated in two 5, and middle gap has formed the passage of fluid.Top board 3 is equipped with on the top of hemicone 5, hanger 2 is set, with conveniently assemble and disassemble, as shown in Figure 2 on the top board 3.Cylindrical shell 4 sidewalls have round, the hole be shaped as circular hole or slotted hole, formed another passage of fluid, as shown in Figure 3.The charging of reaction oil gas mixture is divided into two fluid streams after entering preprocessor through inlet connection, elbow, manhole etc., one fluid streams flows into the passage of being made up of two hemicones 5, flow downward through the perforate of base plate 7, handle the back and produce downward equal uniform flow and outside radial flow in the bottom by being located at orifice plate under the base plate.The feeder connection place that is made up of two hemicones 5 is provided with dividing plate 9, increases resistance drop in case the fluid stopping body produces eddy current when entering.Passage is vertical with the charging elbow, and with the orientation of the inner hemicone of location facilities 6 control preprocessors that is located at the cylindrical shell lower limb, cover plate 12 and semicanal 13 are located at a side of cylindrical shell, and its structure as shown in Figure 4.Base plate 7 is located at the bottom of cylindrical shell 4, under be provided with two up-hole plates that stack up and down 8 of size and orifice plate 10, between connect with connecting plate 11, the structure of up-hole plate 8 and orifice plate 10 is as shown in Figure 5 and Figure 6.The perforate size of two circles is identical with orifice plate 10 with quantity in the middle of the up-hole plate 8, and upper and lower hole must be aimed at.Another fluid streams flows out through the gap between cylindrical shell 4 and the manhole flange 14 by cylindrical shell 4 upper side wall perforates and enters reactor downwards, intersects vertically with outside radial flow, evenly is diffused on the whole reactor cross section after the mixing.The fluid that flows out by perforate on the cylindrical shell 4 is during through perforate, isolates the part solid impurity of sneaking in the charging medium and is deposited in the cylindrical shell 4 because of effect of inertia, removes during the maintenance of question response device.Location facilities 6 is made up of baffle plate and cover plate 12, cooperates the orientation of controlling hemicone with location-plate on being welded on manhole flange 14 inwalls.The preprocessor base plate stretches out manhole flange 14 bottom surfaces distance 25mm at least.After reaction feed was handled through preprocessor, gas-liquid two-phase mixed, distributed uniform on the whole cross section of reactor.Preventing the liquid level on the direct high speed impact feed distributor of reactor feed, accomplishing fluently good basis for strengthen distributing reaction feed to enter beds further.
Claims (7)
1. reactor inlet preprocessor, it is characterized in that, this preprocessor comprises flanged plate, cylindrical shell, hemicone, top board, hanger, dividing plate, base plate, up-hole plate, orifice plate and location facilities, preprocessor is assemblied in the manhole flange inside of reactor through flanged plate, described inner barrel is provided with hemicone separated in two, sidewall has round, described hemicone is located on the interior base plate of cylindrical shell, described top board is located at cylindrical shell top, described hanger is located on the top board, described dividing plate is located at the feeder connection place that is made up of two hemicones, described up-hole plate and orifice plate be located at base plate under, described location facilities is located at the cylindrical shell lower limb.
2. a kind of reactor inlet preprocessor according to claim 1 is characterized in that, the flanged plate of described reactor inlet preprocessor through being welded on the cylindrical shell is assemblied in reactor manhole flange inside, and fixes through manhole blind flange and securing member.
3. a kind of reactor inlet preprocessor according to claim 1 is characterized in that the sidewall of described cylindrical shell has round, the hole be shaped as circular hole or slotted hole.
4. a kind of reactor inlet preprocessor according to claim 1 is characterized in that, the passage that described hemicone is formed is vertical with the charging elbow, through location facilities and the location-plate control azimuth that is welded in the manhole flange inner wall.
5. a kind of reactor inlet preprocessor according to claim 1 is characterized in that, perforate size and the position alignment identical with orifice plate with quantity of two circles in the middle of the described up-hole plate.
6. a kind of reactor inlet preprocessor according to claim 1 is characterized in that described up-hole plate and orifice plate are under connecting plate is welded in base plate.
7. a kind of reactor inlet preprocessor according to claim 1 is characterized in that, described reactor inlet preprocessor stretches out manhole flange bottom surface distance 25mm at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205445386U CN201832616U (en) | 2010-09-27 | 2010-09-27 | Reactor inlet preprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205445386U CN201832616U (en) | 2010-09-27 | 2010-09-27 | Reactor inlet preprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201832616U true CN201832616U (en) | 2011-05-18 |
Family
ID=44002711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205445386U Expired - Fee Related CN201832616U (en) | 2010-09-27 | 2010-09-27 | Reactor inlet preprocessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201832616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268525A (en) * | 2015-06-05 | 2017-01-04 | 中国石油化工股份有限公司 | Bubbler and fixed bed reactors |
| CN106268524A (en) * | 2015-06-05 | 2017-01-04 | 中国石油化工股份有限公司 | Bubbler and fixed bed reactors |
-
2010
- 2010-09-27 CN CN2010205445386U patent/CN201832616U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268525A (en) * | 2015-06-05 | 2017-01-04 | 中国石油化工股份有限公司 | Bubbler and fixed bed reactors |
| CN106268524A (en) * | 2015-06-05 | 2017-01-04 | 中国石油化工股份有限公司 | Bubbler and fixed bed reactors |
| CN106268524B (en) * | 2015-06-05 | 2019-05-21 | 中国石油化工股份有限公司 | Diffuser and fixed bed reactors |
| CN106268525B (en) * | 2015-06-05 | 2019-05-21 | 中国石油化工股份有限公司 | Diffuser and fixed bed reactors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI HOTO ENGINEERING PLC Free format text: FORMER NAME: SHANGHAI HOTO PETROCHEMICALS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai City, Minhang District Jin Road, building D, No. 392, No. 4299 Patentee after: Shanghai Hoto Engineering Inc. Address before: 201108 Shanghai City, Minhang District Jin Road, building D, No. 392, No. 4299 Patentee before: Shanghai HEC Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20180927 |