CN203737216U - Uplink gas-liquid distributor applicable to gas-liquid-solid three-phase reactor - Google Patents
Uplink gas-liquid distributor applicable to gas-liquid-solid three-phase reactor Download PDFInfo
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- CN203737216U CN203737216U CN201320854605.8U CN201320854605U CN203737216U CN 203737216 U CN203737216 U CN 203737216U CN 201320854605 U CN201320854605 U CN 201320854605U CN 203737216 U CN203737216 U CN 203737216U
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Abstract
The utility model discloses an uplink gas-liquid distributor applicable to a gas-liquid-solid three-phase reactor and belongs to the field of petrochemical equipment. The novel gas-liquid distributor comprises a rain cap, a connector, a distribution plate, a gas-liquid rising pipe, gas inlet holes and a deflection baffle, wherein the upper end of the gas-liquid rising pipe is in fluid communication with the distribution plate through the connector; a flow guide channel is formed between the connector and the rain cap; the deflection baffle is arranged at the lower end of the gas-liquid rising pipe; a plurality of gas inlet holes are formed in the wall of the gas-liquid rising pipe. Compared with the prior art, the uplink gas-liquid distributor has the advantages of high gas-liquid distribution uniformity, capability of effectively breaking large bubbles, great operational flexibility, convenience in processing and manufacturing and the like and can be widely used in fields of petrochemical industry, environmental protection and the like.
Description
Technical field
The utility model relates to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device, for upstriker gas-liquid two-phase, enters the fluid distribution apparatus before beds, belongs to field of petrochemical industrial.
Background technology
At present Qi ?Ye ?solid phase reaction device be widely used in petrochemical industry, adopt of traditional fixed bed reactors and trickle bed reactor is from up to down distributed in reactor cross-section by gas-liquid mixed material more, and current gas-liquid-solid three-phase fluidized bed reactor and microdilatancy bed bioreactor are also widely applied at petrochemical industry, the residual hydrogenation field large especially for viscosity, impurity is many.The feature of this type of reactor is: gas-liquid mixed material adopts bottom-up being distributed in reactor cross-section, in reactor, take liquid phase as continuous phase, gas-solid are as the reaction bed that decentralized photo, formation gas-liquid-solid three-phase coexist, in this bed, be fluidized state or microdilatancy state.
For upstriker gas-liquid-solid phase reaction device, effective mixing, mass-transfer efficiency and the operating flexibility of the gas-liquid-solid three-phase in reactor is the key factor that affects reaction efficiency, and the gas-liquid distributor of excellent performance is the critical component that improves this type of reactor fluid mechanical property.
US Patent No. 6,554,994B1 has introduced a kind of microdilatancy bed reaction technique for residual hydrocracking, has introduced a kind of upstriker gas-liquid distributor in this technique, hydraulic barrier, the gas-liquid tedge that is provided with air admission hole, consists of.There is the deficiencies such as the bubble producing is large, mass-transfer efficiency is low in this distributor.Chinese patent CN202621143U has introduced a kind of upstriker gas-liquid distributor, comprises distributor pipe and distribution grid, and many distributor pipes are vertically mounted on distribution grid.The bubble that this distributor produces is large, need to install catalyst propping bar additional or orifice plate prevents catalyst reverse flow.
Utility model content
The technical problems to be solved in the utility model is, for deficiencies such as the generation bubble existing in prior art are large, mass-transfer efficiency is low, and increase the project organization diversity of current upstriker gas-liquid distributor, provide a kind of can be for the upstriker gas-liquid distributor of gas-liquid-solid phase reaction device.
For addressing the above problem, the technical solution adopted in the utility model is: a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device, mainly comprises hydraulic barrier (8), gas-liquid tedge (7), air admission hole (6), connector (4), distributing disc (5) and rain cap (1), gas-liquid tedge (7) is vertical tubular, and lower end is fixedly connected with hydraulic barrier (8), but has space between hydraulic barrier (8) and gas-liquid tedge (7), the upper end of gas-liquid tedge (7) is fixedly connected with connector (4), connector (4) is the inner circulus with time mouth, the lower end of connector (4) ring cavity medial surface is provided with the groove matching with gas-liquid tedge (7), and gas-liquid tedge (7) is positioned at groove, connector (4) dwindles until wait a mouthful lower end gradually from gas-liquid tedge (7) the inner chamber intracavity diameter that makes progress, and diminishing inner chamber is called lower cone chamber, connector (4) intracavity diameter least part is called waits mouth, connector (4) is from waiting a mouthful upper end intracavity diameter and increasing gradually until connector (4) upper end face, and connector (4) upper end face be radially smooth, protrusion arc structure, above connector (4), it is the bottom surface of rain cap (1), the profile of rain cap (1) is conical structure, the bottom surface of rain cap (1) is that the center of conical bottom surface is protruding conical structure, conical structure is radially outer is mutually the spill arc structure being smoothly connected, along spill arcuation, it is radially outward the bottom surface edge of axial outstanding connector (4), connector (4) upper end face match with the bottom surface structure of rain cap (1) and the bottom surface of connector (4) upper end face and rain cap (1) in the middle of leave gap and form drainage channel (connector (4) is similar figures with the corresponding end face of rain cap (1), form drainage channel), drainage channel outlet is straight down,
Described hydraulic barrier (8) is arranged on the lower end of gas-liquid tedge (7), prevents that air pocket from directly entering gas-liquid tedge; At gas-liquid tedge (7) tube wall, be provided with 1～4 layer of air admission hole, every layer of at least one air admission hole (6), air admission hole is positioned at gas-liquid tedge upper end near distributing disc place.
Between the outermost end of the lateral surface of connector (4) upper end and the bottom surface of rain cap (1), by stop collar (2), control the gap of drainage channel, stop collar (2) is fixing by connecting rod (3).
Described air admission hole aperture is Φ 1mm～Φ 3mm, and air admission hole total sectional area is 10%～40% of gas-liquid tedge sectional area.
The exit sectional area of described drainage channel is 80%～120% of gas-liquid tedge sectional area.
Described connector aditus laryngis sectional area is 40%～60% of gas-liquid tedge sectional area, and aditus laryngis length is 10mm～50mm.
Drainage channel end arranges downward straight section, and the length of straight section is 3mm～10mm downwards.
The slightly larger in diameter of hydraulic barrier is in the diameter of gas-liquid tedge.
The diameter range of described gas-liquid tedge is DN15mm～DN100mm, and the length range of described gas-liquid tedge is 150mm～1000mm.
Described in one group, gas-liquid tedge and rain cap are distributed on distributing disc according to equilateral triangle or square arrangement mode Vertical Uniform by connector, and the spacing of adjacent described gas-liquid tedge is 3.5～10 times of described gas-liquid tedge diameter.
In concrete arranging arranges, described in one group, gas-liquid tedge is arranged and is covered with on described distributing disc according to equilateral triangle, three described gas-liquid tedges surround equilateral triangle unit, described gas-liquid tedge group comprises many groups equilateral triangle unit, extremely whole distributing disc is covered with by equilateral triangle unit, and the spacing of adjacent described gas-liquid tedge is 3.5～10 times of described gas-liquid tedge diameter.
The another kind embodiment arranging that arranges is: described in one group, gas-liquid tedge is arranged and is covered with on described distributing disc according to square, four described gas-liquid tedges surround square shaped cells, described gas-liquid tedge group comprises many group square shaped cells, extremely whole distributing disc is covered with by square shaped cells, and the spacing of adjacent described gas-liquid tedge is 3.55～10 times of described gas-liquid tedge diameter.
In actual mechanical process, gas-fluid two-phase mixture material flows from bottom to top, and due to the covering of hydraulic barrier, mixed material can not directly enter gas-liquid tedge, has also prevented that air pocket from directly entering gas-liquid tedge simultaneously.Gas upwards flows and arrives distributing disc below and assemble gradually because density is light and be subject to the rear continuation of stopping of hydraulic barrier.Liquid enters gas-liquid tedge after walking around hydraulic barrier.
When Liquid Flow reaches balance, because distributing disc below forms the gas bed course that a thickness is slightly larger than gas passage, most of gas-liquid distributor pipe is immersed in liquid.Therefore, gas enters gas-liquid tedge through air admission hole, and liquid enters gas-liquid distributor pipe through gas-liquid distributor pipe lower end.Because gas-liquid distributor pipe length range is 150～1000mm, guaranteed stability and gas-liquid material being uniformly distributed in reactor cross-section of gas bed course.
Liquid phase is carried gas phase secretly at air inlet position and is formed and flow, and by the realization of connector aditus laryngis, accelerates, and the speed obtaining due to gas-liquid two-phase is different, and gas phase is disperseed, and forms even, tiny bubble; Rain cap and connector are set, form drainage channel between the two, gas-liquid two-phase enters reactor bed through drainage channel, realizes gas-liquid distribution, gas-liquid mass transfer.The drainage channel end that connector and rain cap form arranges downward straight section, prevents catalyst reverse flow when shutting down.
Gas-liquid distributor of the present utility model, can be used as the gas-liquid distributed component of gas-liquid-solid three-phase, gas-liquid upstriker reactor, and the bubble with formation is tiny, the advantage such as mass-transfer efficiency is high, operating flexibility is large evenly.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of gas-liquid distributor of the present utility model;
Fig. 2 is that gas-liquid tedge bottom hydraulic barrier connects another schematic diagram;
Fig. 3 is the structural representation of connector;
Fig. 4 is the distributor pipe equilateral triangle arrangement mode layout schematic diagram of the utility model embodiment 1;
Fig. 5 is the top view of the utility model embodiment 1;
1 ?rain cap; 2 ?stop collar; 3 ?connecting rod; 4 ?connector; 5 ?distributing disc; 6 ?air admission hole; 7 ?gas-liquid tedge; 8 ?hydraulic barrier.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail, protection domain of the present utility model is not limited to the following specific embodiment.
As depicted in figs. 1 and 2, the upstriker gas-liquid distributor that the utility model is applicable to gas-liquid-solid phase reaction device consists of parts such as rain cap 1, connector 4, distributing disc 5, gas-liquid tedge 7, air admission hole 6, hydraulic barrier 8, stop collar 2, connecting rods 3.
Connector 4 and rain cap 1 are set on the top of gas-liquid tedge 7, and connector 4 and the corresponding end face of rain cap 1 are similar figures, form drainage channel between the two.The reverse sectional area of connector 4 throat diameter is 40%～60% of gas-liquid tedge 7 sectional areas; Aditus laryngis axial length is 10～50mm.Connector 4 and rain cap 1 connect together with stop collar 2 and connecting rod 3 between the two; The discharge area forming is between the two 80%～120% of gas-liquid tedge 7 sectional areas.Gas-liquid two-phase enters reactor bed through drainage channel, realizes gas-liquid distribution, gas-liquid mass transfer.Connector 4 arranges downward straight section with the drainage channel end that rain cap 1 forms, and prevents catalyst reverse flow when shutting down, and this downward straight section length is 3～10mm.
Described in one group, gas-liquid tedge 7 and rain cap 1 are evenly distributed on distributing disc 5 according to equilateral triangle or square arrangement mode by connector 4, and the spacing of adjacent described gas-liquid tedge 7 is 1.25～5 times of described gas-liquid tedge 7 diameters.
Embodiment 1
As shown in Figure 1, gas-liquid tedge 7 adopts DN50mm standard metal pipe, and length is 600mm; Air admission hole 6 is 2 layers of circular hole, and every layer is provided with 4 circular holes, and Circularhole diameter is 1mm; The distance of air admission hole range distribution dish 5 bottoms, upper strata is 100mm, and the vertical interval of two-layer air admission hole is 25mm.
Hydraulic barrier 8 is disc, is arranged on apart from gas-liquid tedge 7 50mm places, lower end, and disk diameter is 70mm, with bracing frame, is fixed on gas-liquid tedge lower end (can be also the structure in Fig. 2).
The technical specification of connector 4 is as Fig. 3, a is 103 °, and (in figure, do not have a), b is 76 °, and c is 25mm, d is 15mm, e is 60mm, and connector 4 links together with rain cap 1 use stop collar 2 and connecting rod 3, and the discharge area forming is between the two 80%～120% of gas-liquid tedge 7 sectional areas, connector 4 arranges downward straight section with the drainage channel end that rain cap 1 forms, the angle of dump slope that it highly forms, is greater than catalyst buildup angle, prevents catalyst reverse flow when shutting down.
As shown in Figure 4, Figure 5, the region that three adjacent gas-liquid distributor pipes 7 surround is equilateral triangle, and one group of gas-liquid tedge 7 is arranged and is covered with distributing disc according to equilateral triangle, and the spacing of adjacent gas-liquid tedge is 200mm.
Embodiment 1 is applicable to the inner member equipment of boiling bed residual oil hydrogenation reactor.
Claims (9)
1. for a upstriker gas-liquid distributor for gas-liquid-solid phase reaction device, it is characterized in that, mainly comprise hydraulic barrier (8), gas-liquid tedge (7), air admission hole (6), connector (4), distributing disc (5) and rain cap (1);
Gas-liquid tedge (7) is vertical tubular, and lower end is fixedly connected with hydraulic barrier (8), between hydraulic barrier (8) and gas-liquid tedge (7), has space, the upper end of gas-liquid tedge (7) is fixedly connected with connector (4), connector (4) is the inner circulus with time mouth, the lower end of connector (4) ring cavity medial surface is provided with the groove matching with gas-liquid tedge (7), and gas-liquid tedge (7) is positioned at groove, connector (4) dwindles until wait a mouthful lower end gradually from gas-liquid tedge (7) the inner chamber intracavity diameter that makes progress, and diminishing inner chamber is called lower cone chamber, connector (4) intracavity diameter least part is called waits mouth, connector (4) is from waiting a mouthful upper end intracavity diameter and increasing gradually until connector (4) upper end face, and connector (4) upper end face be radially smooth, protrusion arc structure, above connector (4), it is the bottom surface of rain cap (1), the profile of rain cap (1) is conical structure, the bottom surface of rain cap (1) is that the center of conical bottom surface is protruding conical structure, conical structure is radially outer is mutually the spill arc structure being smoothly connected, along spill arcuation, it is radially outward the bottom surface edge of axial outstanding connector (4), the bottom surface structure of connector (4) upper end face and rain cap (1) matches and the middle gap of leaving, bottom surface of connector (4) upper end face and rain cap (1) forms drainage channel, the outlet of drainage channel is straight down, it is upper that connector (4) is fixed on distributing disc (5), distributing disc (5) be positioned at drainage channel outlet below, at gas-liquid tedge (7) tube wall, be provided with 1～4 layer of air admission hole, every layer of at least one air admission hole (6), air admission hole is positioned at gas-liquid tedge upper end near distributing disc place, between the outermost end of the lateral surface of connector (4) upper end and the bottom surface of rain cap (1), by stop collar (2), control the gap of drainage channel, stop collar (2) is fixing by connecting rod (3).
2. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, it is characterized in that, described air admission hole aperture is Φ 1mm～Φ 3mm, and air admission hole total sectional area is 10%～40% of gas-liquid tedge sectional area.
3. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, it is characterized in that, the exit sectional area of described drainage channel is 80%～120% of gas-liquid tedge sectional area.
4. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, it is characterized in that, described connector aditus laryngis sectional area is 40%～60% of gas-liquid tedge sectional area, and aditus laryngis length is 10mm～50mm.
5. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, its spy
Levy and be, drainage channel end arranges downward straight section, and the length of straight section is 3mm～10mm downwards.
6. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, it is characterized in that, the slightly larger in diameter of hydraulic barrier is in the diameter of gas-liquid tedge.
7. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1, it is characterized in that, the diameter range of described gas-liquid tedge is DN15mm～DN100mm, and the length range of described gas-liquid tedge is 150mm～1000mm.
8. according to any one upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 1-7, it is characterized in that, gas-liquid tedge and rain cap are distributed on distributing disc according to equilateral triangle or square arrangement mode Vertical Uniform by connector (4), and the spacing of adjacent two gas-liquid tedges is 3.5～10 times of described gas-liquid tedge diameter.
9. according to a kind of upstriker gas-liquid distributor for gas-liquid-solid phase reaction device of claim 8, it is characterized in that, in concrete arranging arranges, described in one group, gas-liquid tedge is arranged and is covered with on described distributing disc according to equilateral triangle, three described gas-liquid tedges surround equilateral triangle unit, described gas-liquid tedge group comprises many groups equilateral triangle unit, extremely whole distributing disc is covered with by equilateral triangle unit, and the spacing of adjacent described gas-liquid tedge is 3.5～10 times of described gas-liquid tedge diameter;
The another kind mode arranging of arranging is: described in one group, gas-liquid tedge is arranged and is covered with on described distributing disc according to square, four described gas-liquid tedges surround square shaped cells, described gas-liquid tedge group comprises many group square shaped cells, extremely whole distributing disc is covered with by square shaped cells, and the spacing of adjacent described gas-liquid tedge is 3.55～10 times of described gas-liquid tedge diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854605.8U CN203737216U (en) | 2013-12-23 | 2013-12-23 | Uplink gas-liquid distributor applicable to gas-liquid-solid three-phase reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854605.8U CN203737216U (en) | 2013-12-23 | 2013-12-23 | Uplink gas-liquid distributor applicable to gas-liquid-solid three-phase reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203737216U true CN203737216U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854605.8U Expired - Fee Related CN203737216U (en) | 2013-12-23 | 2013-12-23 | Uplink gas-liquid distributor applicable to gas-liquid-solid three-phase reactor |
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| CN (1) | CN203737216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970866A (en) * | 2016-10-25 | 2018-05-01 | 何巨堂 | With the back-mixing stream expanded bed hydrogenation reactor system of hydrocarbonaceous gas-liquid upper feeding distributor |
| CN112672818A (en) * | 2018-09-05 | 2021-04-16 | 巴斯夫欧洲公司 | Reactor for gas-liquid two-phase high-pressure reaction by foaming medium |
-
2013
- 2013-12-23 CN CN201320854605.8U patent/CN203737216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970866A (en) * | 2016-10-25 | 2018-05-01 | 何巨堂 | With the back-mixing stream expanded bed hydrogenation reactor system of hydrocarbonaceous gas-liquid upper feeding distributor |
| CN112672818A (en) * | 2018-09-05 | 2021-04-16 | 巴斯夫欧洲公司 | Reactor for gas-liquid two-phase high-pressure reaction by foaming medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20151223 |
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| EXPY | Termination of patent right or utility model |