CN2448440Y - Vortex type hydrogen cooling box - Google Patents
Vortex type hydrogen cooling box Download PDFInfo
- Publication number
- CN2448440Y CN2448440Y CN00253961.6U CN00253961U CN2448440Y CN 2448440 Y CN2448440 Y CN 2448440Y CN 00253961 U CN00253961 U CN 00253961U CN 2448440 Y CN2448440 Y CN 2448440Y
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- cold hydrogen
- blending bin
- spiral
- hydrogen box
- box
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Abstract
The utility model relates to a vortex type hydrogen cooling box, which is composed of a cold air pipe (2), a baffle plate (4), semicircle hybrid channels (5), a tangential guide pipe (7), a mixing tank (8) and a sieve pore plate (10). Inlets (6) of two semicircle hybrid channels (5) of the hydrogen cooling box are arranged on the baffle plate in radial symmetry. Outlets of the hydrogen cooling box are connected with one end of the tangential guide pipe (7), and the other end of the tangential guide pipe (7) is connected with the mixing tank (8). The center of the bottom part of the mixing tank (8) is provided with a throttling orifice (9), and the sieve pore plate (10) is arranged in the lower part of the mixing tank (8). The hydrogen cooling box can make the mixing of cool hydrogen gas and hot material flow more adequate, and the temperature distribution of the material flow more uniform.
Description
The utility model belongs to the mixing of two bursts of logistics, the internal structure of heat exchange, more particularly, is to be used for making in the petroleum refining process fixed bed reactors the well-mixed spiral-flow type cold hydrogen box of cold hydrogen and hydrocarbon reaction product and hot hydrogen.
In the PETROLEUM PROCESSING industry, the hydrotreatment process has high temperature, high pressure, faces characteristics such as hydrogen.Thereby, this class Design of device is required than higher.Through effort for many years, the hydrogenation plant of China changes autonomous Design and manufacturing into gradually from whole imports, makes the petroleum distillate hydrotreatment technology of China that significant progress arranged.
Hydrogenation reactor is one of capital equipment in the hydrotreatment process, is provided with one or more snippets beds in it, and hydrocarbon raw material carries out reactions such as denitrogenation, desulfurization, aromatic hydrocarbons are saturated, cracking in beds.In hydrogenation process, hydrocarbon raw material generally will pass through plural beds, and hydrogenation reaction is an exothermal reaction process.And suitably lower the temperature in order to make from the product and the hot hydrogen of a last bed, to satisfy the requirement of next bed reaction condition, will between two beds, inject cold hydrogen.Cold hydrogen fully mixes with product and hot hydrogen, and after the latter is lowered the temperature, enters next beds again and react.This makes cold hydrogen and the well-mixed member of hydrocarbon raw material be called cold hydrogen box, also claims the chilling case.
Quiet run plays crucial effects to whole reactor in the design of cold hydrogen box.The conventional cold hydrogen box of present domestic design is generally upper strata baffle plate, lower floor's sieve plate, middle is the rectangle fluid box structure of turning back.This structure is similar by the reactor cold hydrogen box structure of external introduction with the eighties basically.Cold hydrogen and the hydrocarbon raw material time of staying in this cold hydrogen box is short, and only through once turning back, undercompounding causes the temperature distributing disproportionation of the logistics that enters next bed even, thereby the course of reaction of next bed is affected.The maximum radial temperature difference of beds is reached about 20 ℃.This situation causes medium bias current in the reactor, catalyst coking easily, and the operation fluctuation of the device that induces reaction is a big hidden danger of safety in production.
Along with the continuous development of hydrogen addition technology, national environmental protection mechanism is strict day by day to the requirement of oil quality especially in recent years, and hydrotreatment has become the requisite process of PETROLEUM PROCESSING.Thereby the hydrogenation device for treatment amount constantly increases in recent years, and the scale of reactor is tending towards maximizing.Meanwhile, hydroprocessing technique technology itself is also in continuous development.Its feedstock property is variation gradually, and operating condition is more and more harsher, and also the hydrotreatment process than routine is much violent in reaction.Cause the bias current of medium in the device and the coking of catalyst so easilier, bring serious threat for the normal running of reactor.Thereby require our installing the various inner members that design reactor, comprise cold hydrogen box, constantly improve,, satisfy the needs of long period, safety, quiet run to adapt to the requirement of hydrocarbon oil crude material, catalyst, process conditions to hydrogenation reactor.
CN2294771Y has disclosed a kind of quench mixer that is used for hydrogenation reactor, and this quench mixer is made of refrigerator pipe, logistics positioning disk, the choke block that goes in ring, logistics dispersion impeller, arc mixing channel, dividing plate, logistics guide plate.Be characterized in that top-down hot gas-liquid flow mixes on the logistics positioning disk with cold flow from refrigerator pipe, enter two arc mixing channels that are 90 ° that constitute along circular wall, the entry and exit of mixing channel all are arranged on the logistics positioning disk, and radial symmetric distributes.After mixing channel is left in logistics, be belt along the logistics guide plate and flow, and be flowed on the dividing plate.The dividing plate center offers port for drawdown.Logistics flows on the logistics dispersion impeller by port for drawdown.The logistics dispersion impeller is provided with choke block and equally distributed sieve aperture, and logistics is left quench mixer by sieve aperture and flowed into lower floor's distributor.
The purpose of this utility model is that a kind of improved spiral-flow type cold hydrogen box is provided on the basis of above-mentioned prior art, so that make cold hydrogen more abundant with mixing of hot logistics, makes the Temperature Distribution of mixing logistics more even.
Below in conjunction with accompanying drawing 1 explanation design feature of the present utility model.
Fig. 1 is the structural representation of the spiral-flow type cold hydrogen box that provides of the utility model.
The fasten cold hydrogen case of flow that the utility model provides is by cold hydrogen tube 2, baffle plate 4, semicircle hybrid channel 5, tangential flow guiding pipe 7, blending bin 8, sieve tray 10 consist of; Leading to two semicircle mixing of this cold hydrogen box The entrance 6 in road 5 is arranged on the baffle plate radially symmetrically, and its outlet links to each other with an end of tangential flow guiding pipe 7, The other end of tangential flow guiding pipe 7 links to each other with blending bin 8, and the bottom centre of blending bin 8 is provided with throttle orifice 9, sieve Orifice plate 10 is positioned at blending bin 8 bottoms.
In detail, the fasten cold hydrogen case of flow that provides of the utility model is by cold hydrogen tube 2, baffle plate 4, semicircle Hybrid channel 5, tangential flow guiding pipe 7, blending bin 8, sieve tray 10 consist of. Cold hydrogen tube 2 can be designed to branch Shape formula or concentric-ring pattern, and distribution hole is set on its pipeline equably. The number of distribution hole and aperture Size, take guarantee in the cold hydrogen tube that gas uniform distributes and pressure drop rationally as standard. Also can be at refrigerator pipe On nozzle evenly is set, the gas uniform in the pipe is distributed. Baffle plate 4 is positioned at refrigerator pipe 2 belows, its diameter Be slightly less than the cold hydrogen box internal diameter. Baffle plate 4 is flexibly connected with the cold hydrogen box inwall, passes in and out to make things convenient for the maintainer Filling with catalyst. Two hybrid channel entrances 6 are set on baffle plate 4 radially symmetrically. Described mixing Passage 5 is the semicircular logistics corridors that distribute along wall. The cold hydrogen box that the utility model provides is provided with Two hybrid channels, they are positioned on the same level face, and arrange radially symmetrically. Going out of hybrid channel Mouth links to each other with an end of tangential flow guiding pipe 7. And the other end of tangential flow guiding pipe 7 is fixedly connected with blending bin 8. Blending bin 8 is drum-shaped, and its internal diameter is less than the internal diameter of cold hydrogen box, and it is positioned at the middle part of cold hydrogen box. Mix The center, bottom of case is provided with circular throttle orifice 9, and the internal diameter of throttle orifice 9 is less than the internal diameter of blending bin 8. Sieve Orifice plate 10 is positioned at the blending bin below, and requires to offer equably sieve aperture 11 according to conventional design.
The course of work of the spiral-flow type cold hydrogen box that the utility model provides is as follows: as shown in Figure 1, on baffle plate 4, contact for the first time, mix with cold hydrogen 3 from the thermal response logistics of upper strata beds and hot hydrogen 1, and enter the semicircle hybrid channel 5 from the inlet 6 of hybrid channel 5 from cold hydrogen tube 2.Above-mentioned logistics is rotated in a clockwise direction in the hybrid channel, flows, and by two tangential flow guiding pipes 7, tangentially to enter in the blending bin 8.In the diameter blending bin 8 much smaller, mix logistics and quicken eddy flow, and mix mutually than cold hydrogen box.At last the throttle orifice 9 by the blending bin bottom once more baffling mix.Behind said process, mixture flows to and reaches sieve tray 10, and by sieve tray logistics is evenly distributed.
The spiral-flow type cold hydrogen box that the utility model provides compared with prior art has following characteristics:
(1) dendroid formula or concentric-ring pattern cold hydrogen tube porous injected cool hydrogen can enlarge cold hydrogen and the product contact area on baffle plate, carry out premixed.
(2) by means of semicircular hybrid channel, prolong the incorporation time of hot and cold medium, and changed their flow direction, make two media fully contact, mix.The length of hybrid channel is the twice of hybrid channel length in the prior art.
(3) logistics of being come out by two semicircle hybrid channels tangentially enters in the blending bin, its flow resistance reduces, make logistics quicken to stir, strengthen the mixed effect between gas and gas, gas and liquid and the cold and hot logistics, make the Temperature Distribution of mixing the back logistics more even.
(4) enter sieve tray from the blending bin throttle orifice, mixed effect has been strengthened in throttling once more, makes the Temperature Distribution of mixing logistics more even.
(5) the spiral-flow type cold hydrogen box that provides of the utility model not only can be used for the mixing and heat transfer process of gas-liquid flow of cold air and heat, and is applicable to mixing and heat exchange of hot gas and cold liquid, or the mixed process of the suitable logistics of two kinds of temperature.
(6) application of the spiral-flow type cold hydrogen box that provides of the utility model should only not be confined in the hydrogenation reactor of petrochemical industry, and any have the physics of similar requirement and/or a structure that this cold hydrogen box all can be used or use for reference to chemical reaction process.
Claims (5)
1, a kind of spiral-flow type cold hydrogen box is characterized in that being made of cold hydrogen tube (2), baffle plate (4), semicircle hybrid channel (5), tangential flow guiding pipe (7), blending bin (8), sieve tray (10); The inlet (6) of two semicircle hybrid channels (5) of this cold hydrogen box is arranged on the baffle plate radially symmetrically, its outlet links to each other with an end of tangential flow guiding pipe (7), the other end of tangential flow guiding pipe (7) links to each other with blending bin (8), the bottom centre of blending bin (8) is provided with throttle orifice (9), and sieve tray (10) is positioned at blending bin (8) bottom.
2, according to the spiral-flow type cold hydrogen box of claim 1, it is characterized in that described refrigerator pipe (2) be the dendroid formula or concentric-ring pattern.
3,, it is characterized in that being distributed with on the described refrigerator pipe (2) hole or the nozzle of evenly offering according to the spiral-flow type cold hydrogen box of claim 1 or 2.
4,, it is characterized in that the described baffle plate (4) and the inwall of cold hydrogen box flexibly connect according to the spiral-flow type cold hydrogen box of claim 1.
5, according to the spiral-flow type cold hydrogen box of claim 1, it is characterized in that described blending bin (8) is a drum shape, its internal diameter is less than the cold hydrogen box internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00253961.6U CN2448440Y (en) | 2000-09-28 | 2000-09-28 | Vortex type hydrogen cooling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00253961.6U CN2448440Y (en) | 2000-09-28 | 2000-09-28 | Vortex type hydrogen cooling box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2448440Y true CN2448440Y (en) | 2001-09-19 |
Family
ID=33611312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00253961.6U Expired - Lifetime CN2448440Y (en) | 2000-09-28 | 2000-09-28 | Vortex type hydrogen cooling box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2448440Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340331C (en) * | 2004-10-29 | 2007-10-03 | 中国石油化工股份有限公司 | Diffuser |
| CN100386140C (en) * | 2004-10-29 | 2008-05-07 | 中国石油化工股份有限公司 | Aeration type cold hydrogen box |
| CN100400150C (en) * | 2004-10-29 | 2008-07-09 | 中国石油化工股份有限公司 | Quick cooling blender |
| WO2013177722A1 (en) * | 2012-05-28 | 2013-12-05 | 中国石油天然气股份有限公司 | Cool hydrogen-propelled cyclone quench box |
| CN104096517A (en) * | 2013-04-08 | 2014-10-15 | 中石化洛阳工程有限公司 | Quench mixer used for hydrogenation reactor |
| CN104096515A (en) * | 2013-04-08 | 2014-10-15 | 中石化洛阳工程有限公司 | Tubular quench mixer used for hydrogenation reactor |
| CN105521642A (en) * | 2016-01-21 | 2016-04-27 | 中国海洋石油总公司 | Self-driving direction-adjusting backwash cycle regeneration jetting device and use method thereof |
| CN106139945A (en) * | 2016-06-27 | 2016-11-23 | 重庆赛宝工业技术研究院 | There is the flue gas mixing arrangement of low choked flow |
| CN109925908A (en) * | 2019-04-29 | 2019-06-25 | 中国矿业大学 | A kind of fluid collaboration Forced Mixing modifying device and method |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
-
2000
- 2000-09-28 CN CN00253961.6U patent/CN2448440Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386140C (en) * | 2004-10-29 | 2008-05-07 | 中国石油化工股份有限公司 | Aeration type cold hydrogen box |
| CN100400150C (en) * | 2004-10-29 | 2008-07-09 | 中国石油化工股份有限公司 | Quick cooling blender |
| CN100340331C (en) * | 2004-10-29 | 2007-10-03 | 中国石油化工股份有限公司 | Diffuser |
| US9427721B2 (en) | 2012-05-28 | 2016-08-30 | Petrochina Company Limited | Cool hydrogen-propelled cyclone quench box |
| WO2013177722A1 (en) * | 2012-05-28 | 2013-12-05 | 中国石油天然气股份有限公司 | Cool hydrogen-propelled cyclone quench box |
| CN104096517A (en) * | 2013-04-08 | 2014-10-15 | 中石化洛阳工程有限公司 | Quench mixer used for hydrogenation reactor |
| CN104096515A (en) * | 2013-04-08 | 2014-10-15 | 中石化洛阳工程有限公司 | Tubular quench mixer used for hydrogenation reactor |
| CN104096515B (en) * | 2013-04-08 | 2016-04-13 | 中石化洛阳工程有限公司 | A kind of tubular type quench mixer for hydrogenation reactor |
| CN104096517B (en) * | 2013-04-08 | 2016-04-13 | 中石化洛阳工程有限公司 | A kind of quench mixer for hydrogenation reactor |
| CN105521642A (en) * | 2016-01-21 | 2016-04-27 | 中国海洋石油总公司 | Self-driving direction-adjusting backwash cycle regeneration jetting device and use method thereof |
| CN105521642B (en) * | 2016-01-21 | 2017-04-26 | 中国海洋石油总公司 | Self-driving direction-adjusting backwash cycle regeneration jetting device and use method thereof |
| CN106139945A (en) * | 2016-06-27 | 2016-11-23 | 重庆赛宝工业技术研究院 | There is the flue gas mixing arrangement of low choked flow |
| CN109925908A (en) * | 2019-04-29 | 2019-06-25 | 中国矿业大学 | A kind of fluid collaboration Forced Mixing modifying device and method |
| CN109925908B (en) * | 2019-04-29 | 2023-10-03 | 中国矿业大学 | Fluid synergistic forced mixing tempering device and method |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN111659321B (en) * | 2020-06-15 | 2022-08-05 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100928 Granted publication date: 20010919 |
|
| DD01 | Delivery of document by public notice |
Addressee: China Petrochemical Group Corp. Document name: Notification of Expiration of Patent Right Duration |