CN201862396U - Hydrogen cooling facility of hydrogenation reactor - Google Patents
Hydrogen cooling facility of hydrogenation reactor Download PDFInfo
- Publication number
- CN201862396U CN201862396U CN2010205452534U CN201020545253U CN201862396U CN 201862396 U CN201862396 U CN 201862396U CN 2010205452534 U CN2010205452534 U CN 2010205452534U CN 201020545253 U CN201020545253 U CN 201020545253U CN 201862396 U CN201862396 U CN 201862396U
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- cold hydrogen
- flange
- tube
- hydrogenation reactor
- facility
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Abstract
The utility model relates to a hydrogen cooling facility of a hydrogenation reactor, and the hydrogen cooling facility is arranged on a barrel body of the hydrogenation reactor. The hydrogen cooling facility is characterized in that the facility comprises a hydrogen cooling pipe assembly and a hydrogen cooling box, wherein the hydrogen cooling pipe assembly comprises a first flange, a second flange, a third flange, a hydrogen cooling pipe and a seal head; the hydrogen cooling box comprises an I-shaped beam, an upper diffuser plate, a lower diffuser plate, a spraying disk, a hydrogen cooling disk, an upper annular support ring and a lower annular support ring, wherein the upper annular support ring and the lower annular support ring are arranged on the inner wall of the barrel body. Compared with the prior art, the hydrogen cooling facility has the advantages that the structure is simple, the bed temperature is uniform, the self pressure drop is small, a runner is unobstructed, the operation is stable and reliable, etc.
Description
Technical field
The utility model relates to the interior arrangement of hydrogenation reactor, especially relates to a kind of cold hydrogen facility of hydrogenation reactor.
Background technology
Hydrogenation reactor is one of key equipment in all kinds of oil hydrogenation plants.Hydrogenation reactor is a multilayer heat insulation, and is middle hydrogen-cooled, and volatile component is taken the phase reactor of heat and 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; Liquid-solid two-phase has contact fully completely; 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.The hydrogenation reaction of PETROLEUM PROCESSING comprises that reactions such as hydrocracking, hydrofinishing, hydro-upgrading, hydrotreatment are exothermic reaction.For keeping bed reaction temperature stable and uniform, must derive reaction heat.The cold hydrogen facility bed pressure drop of traditional hydrogenation hydrogenation reactor is big, and it is even, stable to be difficult to reach bed temperature simultaneously.
The utility model content
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of simple in structure, bed temperature evenly, self pressure drop is little, runner is unobstructed, the cold hydrogen facility of the reliable hydrogenation reactor of stable operation.
The purpose of this utility model can be achieved through the following technical solutions: a kind of cold hydrogen facility of hydrogenation reactor is arranged on the cylindrical shell of hydrogenation reactor; It is characterized in that this facility comprises cold hydrogen tube assembly and cold hydrogen box;
Described cold hydrogen tube assembly comprises first flange, second flange, the 3rd flange, cold hydrogen tube and end socket, described cold hydrogen tube passes through the cylindrical shell setting, the tube outer end of this cold hydrogen tube is fixed on the 3rd flange that is located at the cylindrical shell outside by second flange, the top of described second flange is provided with steam vent, described the 3rd flange is connected with second flange, described end socket is arranged on tube the inner of cold hydrogen tube, and tube the inner of described cold hydrogen tube is provided with a cold hydrogen outlet that Open Side Down;
Described cold hydrogen box comprises I-beam, last diffuser plate, following diffuser plate, the injection dish, cold hydrogen dish is supported circle with two annulars up and down that are arranged on cylinder inboard wall, described annular supports circle and cylinder inboard wall to be welded to connect, described I-beam two ends are connected by bolt with cylinder inboard wall, described cold hydrogen dish is arranged on the top of I-beam, and support circle to be connected with I-beam and last annular, this cold hydrogen dish is provided with two circular holes, each circular hole below is provided with two diffuser plates with holes up and down, up big and down small, fix by pull bar between the diffuser plate, described injection dish is arranged on the below of I-beam, and supports circle to be connected with I-beam with following annular.
Also be provided with support ring on described the 3rd flange, cold hydrogen tube is fixed.
The middle part of described cold hydrogen outlet is provided with dividing plate, and this dividing plate radially is connected on the tube wall along cold hydrogen tube, and leaves cold hydrogen channel.
Described cold hydrogen dish and last annular are supported between circle, the I-beam and injection dish and the following annular fine gasket seal of making pottery of supporting to be provided with between circle, the I-beam.
The size in the hole that two circles are provided with in the middle of the described upward diffuser plate is identical with following diffuser plate with quantity, and the position correspondence in hole.
Described injection is checked and regulated a card and is provided with the spray-hole that rounded projections arranged distributes.
Compared with prior art, the utlity model has simple in structure, bed temperature evenly, advantage such as self pressure drop is little, runner is unobstructed, stable operation is reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of cold hydrogen tube assembly;
Fig. 3 is an E-E cutaway view shown in Figure 2;
Fig. 4 is the structural representation of cold hydrogen box;
Fig. 5 is an A-A cutaway view shown in Figure 4;
Fig. 6 is a B-B cutaway view shown in Figure 4;
Fig. 7 is a C-C cutaway view shown in Figure 4;
Fig. 8 is a D-D cutaway view shown in Figure 4.
1 is that cold hydrogen tube assembly, 2 is that cylindrical shell, 3 is cold hydrogen box among Fig. 1.
21 is that first flange, 22 is that second flange, 23 is that the 3rd flange, 24 is that support ring, 25 is that cold hydrogen tube, 26 is that dividing plate, 27 is end socket among Fig. 2.
41 is that I-beam, 42 is that last diffuser plate, 43 is that diffuser plate, 44 is that injection dish, 45 is that cold hydrogen dish, 46 is the annular brace circle down among Fig. 4.
71 is pull bar among Fig. 7.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
Shown in Fig. 1～7, a kind of cold hydrogen facility that is installed in the hydrogenation reactor of the beds temperature rise that inside reactor causes in order to control hydrogenation exothermic reaction is applicable to hydrogenation reactor.The cold hydrogen facility of hydrogenation reactor is made of cold hydrogen tube and cold hydrogen box two parts.Cold hydrogen tube is made up of first flange 21, second flange 22, the 3rd flange 23, support ring 24, cold hydrogen tube 25, end socket 27, dividing plate 26 and securing member and pad etc.Cold hydrogen tube 25 is fixed on the 3rd flange 23 by second flange 22 and securing member, and second flange, 22 places have the top steam vent.Be provided with support ring 24 near the wall place, make cold hydrogen tube 25 maintenance levels, and can from reactor, cold hydrogen tube 25 be extracted out easily.Cold hydrogen tube 25 is provided with cold hydrogen outlet at the reactor center line position, intermediate arrangement has dividing plate 26, and this dividing plate 26 radially is connected on the tube wall along cold hydrogen tube 25, and leaves cold hydrogen channel.Make cold hydrogen stream be divided into two strands and evenly flow out to cold hydrogen box downwards.Cold hydrogen box is formed space between cold hydrogen dish 45 and the injection dish 44, by I-beam 41, go up diffuser plate 42, diffuser plate 43, injection dish 44, cold hydrogen dish 45, annular support circle 46 and securing member and the fine gasket seal of pottery etc. to form down.A shared I-beam 41 is coiled in cold hydrogen dish and injection.I-beam 41 is welded by steel plate, can support cold hydrogen dish 45 and injection dish 44 simultaneously.I-beam 41 two ends offer bolt hole, are fixed on the reactor wall by connecting plate.Cold hydrogen box is removable, and all detachable parts all can pass in and out from the reactor hand-hole.Cold hydrogen dish 45 and injection dish 44 usefulness securing members are fixed on I-beam 41 and annular is supported on the circle 46.Annular supports circle 46 usefulness corrosion resistant plates directly to be welded on the reactor wall overlay cladding.Offer two circular holes on the cold hydrogen dish 45, each circular hole below is provided with diffuser plate 42 and 43 two of following diffuser plates, and is up big and down small, fixing with pull bar 71.The perforates size of two circles and quantity are identical with following diffuser plate 43 in the middle of the last diffuser plate 42, and upper and lower hole palpus aligning.Injection is coiled and is offered the equally distributed spray-hole of rounded projections arranged on the 44 whole cards.Between cold hydrogen dish 45 and injection dish 44 and annular support circle 46 and I-beam 41, be provided with the fine gasket seal of making pottery.High-temperature material that the top bed comes and cold hydrogen enter cold hydrogen box after through cold hydrogen dish 45 diffuser plates diffusion and carry out heat exchange, high-temperature material from top is cooled off and mix and are evenly distributed on the cross section of cold hydrogen box.By the uniform gas-liquid mixture of the ejection temperature of the spray-hole on the injection dish.Distribute on the redistributor below going then to be arranged on, be evenly distributed to again on the beds of lower floor.
Claims (6)
1. the cold hydrogen facility of a hydrogenation reactor is arranged on the cylindrical shell of hydrogenation reactor; It is characterized in that this facility comprises cold hydrogen tube assembly and cold hydrogen box;
Described cold hydrogen tube assembly comprises first flange, second flange, the 3rd flange, cold hydrogen tube and end socket, described cold hydrogen tube passes through the cylindrical shell setting, the tube outer end of this cold hydrogen tube is fixed on the 3rd flange that is located at the cylindrical shell outside by second flange, the top of described second flange is provided with steam vent, described the 3rd flange is connected with second flange, described end socket is arranged on tube the inner of cold hydrogen tube, and tube the inner of described cold hydrogen tube is provided with a cold hydrogen outlet that Open Side Down;
Described cold hydrogen box comprises I-beam, last diffuser plate, following diffuser plate, the injection dish, cold hydrogen dish is supported circle with two annulars up and down that are arranged on cylinder inboard wall, described annular supports circle and cylinder inboard wall to be welded to connect, described I-beam two ends are connected by bolt with cylinder inboard wall, described cold hydrogen dish is arranged on the top of I-beam, and support circle to be connected with I-beam and last annular, this cold hydrogen dish is provided with two circular holes, each circular hole below is provided with two diffuser plates with holes up and down, up big and down small, fix by pull bar between the diffuser plate, described injection dish is arranged on the below of I-beam, and supports circle to be connected with I-beam with following annular.
2. the cold hydrogen facility of a kind of hydrogenation reactor according to claim 1 is characterized in that, also is provided with support ring on described the 3rd flange, and cold hydrogen tube is fixed.
3. the cold hydrogen facility of a kind of hydrogenation reactor according to claim 1 is characterized in that, the middle part of described cold hydrogen outlet is provided with dividing plate, and this dividing plate radially is connected on the tube wall along cold hydrogen tube, and leaves cold hydrogen channel.
4. the cold hydrogen facility of a kind of hydrogenation reactor according to claim 1 is characterized in that, described cold hydrogen dish and last annular are supported between circle, the I-beam and injection dish and the following annular fine gasket seal of making pottery of supporting to be provided with between circle, the I-beam.
5. the cold hydrogen facility of a kind of hydrogenation reactor according to claim 1 is characterized in that, the size in the hole that two circles are provided with in the middle of the described upward diffuser plate is identical with following diffuser plate with quantity, and the position correspondence in hole.
6. the cold hydrogen facility of a kind of hydrogenation reactor according to claim 1 is characterized in that, described injection is checked and regulated a card and is provided with the spray-hole that rounded projections arranged distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452534U CN201862396U (en) | 2010-09-28 | 2010-09-28 | Hydrogen cooling facility of hydrogenation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452534U CN201862396U (en) | 2010-09-28 | 2010-09-28 | Hydrogen cooling facility of hydrogenation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201862396U true CN201862396U (en) | 2011-06-15 |
Family
ID=44133564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205452534U Expired - Fee Related CN201862396U (en) | 2010-09-28 | 2010-09-28 | Hydrogen cooling facility of hydrogenation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201862396U (en) |
-
2010
- 2010-09-28 CN CN2010205452534U patent/CN201862396U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20110615 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |