CN204234070U - A kind of liquid-equal flow reactor of liquid catalysis - Google Patents
A kind of liquid-equal flow reactor of liquid catalysis Download PDFInfo
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- CN204234070U CN204234070U CN201420578823.8U CN201420578823U CN204234070U CN 204234070 U CN204234070 U CN 204234070U CN 201420578823 U CN201420578823 U CN 201420578823U CN 204234070 U CN204234070 U CN 204234070U
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Abstract
The utility model provides a kind of liquid-equal flow reactor of liquid catalysis, comprises tank body, tank body is provided with feed pipe, tower tray, discharge nozzle; Feed pipe is connected with liquid distribution trough, and tower tray is provided with catalyst, downspout and calotte, material on tower tray with catalyst exposure, then enter into downspout distributing disc again through overflow, through distribution after enter into lower floor's tower tray; This liquid-equal flow reactor of liquid catalysis, can make material Uniform Flow in tower, and provides enough time to material and catalyst exposure, and reaction effect is good, conversion ratio is high, and be that a kind of structure is simple, cost is low, the liquid that reaction effect is good-equal flow reactor of liquid catalysis.
Description
Technical field
The utility model relates to a kind of fixed bed reactors, especially relates to a kind of liquid-equal flow reactor of liquid catalysis.
Background technology
Chemical catalysis reactor is the common equipment of chemical field, is generally used for the reaction of gas, liquid, pressed powder and catalyst.Existing design arranges a retort often, is provided with different conversion zones in retort, and reaction effect may vary.
Generally, industrial chemical reaction can not all complete, also a kind of product can not only be generated, a good reactor is not only wanted fully to effectively utilize raw material, alleviate the load of separation equipment, reduce the energy consumption in production process, and the generation of side reaction should be suppressed as far as possible, improve the yield of object product, and can provide convenience for operation control.Synthetically say, reactor must meet heat transfer, mass transfer, high-quality, high yield, safety, low consumption, the multiple requirement such as easy to control.
Fixed bed reactors, also known as packed bed reactor, are filled with solid catalyst or solid reactant in order to realize a kind of reactor of heterogeneous reaction process.Solids is usually in graininess, and particle diameter about 2 ~ 15mm, is piled into the bed of certain altitude (or thickness).Bed transfixion, fluid is reacted by bed.The difference of it and fluidized-bed reactor and moving-burden bed reactor is that solid particle remains static.When fixed bed reactors are used for gas-solid phase or liquid-solid phase heterogeneous catalytic reaction, bed then loads solid catalyst.And a successful reactor design, must have rational internals, wherein catalyst plays a major role in catalytic reaction process simultaneously.The type of feed of catalyst in reactor must meet following condition: (1) has enough surfaces to be provided place for gas-liquid or liquid liquid contact and ensure the time of staying; (2) there is certain free space as gas-liquid or liquid liquid passage, make resistance to mass tranfer little; (3) there is sufficient space to allow catalyst granules to expand, shrink, and do not damage catalyst.
The shortcomings such as although in industrial production, catalytic reactor kind is many, and most of catalytic reactor all exists flow velocity inequality, and reaction contact time is short, and reaction efficiency is low, overhaul of the equipments is difficult, and mode of operation is complicated.
Utility model content
For overcoming deficiency in existing apparatus and shortcoming, the utility model provides a kind of structure simple, and cost is low, the liquid that reaction effect is good-equal flow reactor of liquid catalysis.
The technical solution of the utility model is: a kind of liquid-equal flow reactor of liquid catalysis, comprise tank body, the top-side of described tank body is provided with feed pipe, tank base is provided with discharge nozzle, described feed pipe is communicated with liquid distribution trough, multilayer tower tray is set in described tank body, described tower tray is distributed with several downspouts, described downspout upper end is passed tower tray and is stretched out tower tray 10-500mm, each downspout lower end is connected with a distributing disc again, described tower tray is evenly placed with catalyst, and the filling of described catalyst is highly 10-400mm.
The portion outboard that described downspout exceeds tower tray is covered with calotte, and described calotte arranges with described downspout is concentric and leaves crack between calotte and downspout, is provided with liquid passage bottom described calotte and between tower tray.
The diameter of described downspout is 20-200mm, and the diameter of described calotte is 30-400mm, and described cap height is 10-600mm, and the crack spacing between described calotte and downspout tube wall is 5-100mm.
The part that described downspout exceeds tower tray is upper downspout, and the upper end circumference of described upper downspout is provided with some overflowing discharge orifices.
The percent opening of described upper downspout overflow discharge orifice is 5-60%, and the opening diameter of described spout hole is 5-20mm.
Described distributing disc is again the hollow cylindrical structure of a top end opening, cylinder height 1-10mm, and the base plate of described cylindrical structural is evenly distributed with several liquid reducing holes.
The opening diameter of described liquid reducing hole is 2-10mm.
The shape of described spout hole or liquid reducing hole is circular, oval, quadrangle or quincunx.
Preferably, described catalyst is loose heap granular pattern catalyst.
The advantage that the utility model has and good effect are: the utility model provides a kind of liquid-equal flow reactor of liquid catalysis, can ensure that material fully contacts on tower tray with catalyst, liquid leans on overflow after downspout, distribute again and enter into lower floor's tower tray, a kind of even fluid distribution, the reactor that the haptoreaction time is long.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the top view of tower tray in the utility model;
Fig. 3 is the front view of downspout in the utility model;
Fig. 4 is the top view of distributing disc again in the utility model.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1
As Figure 1-4, the utility model comprises tank body 1, the top-side of tank body 1 is provided with feed pipe 2, discharge nozzle 9 is provided with bottom tank body 1, feed pipe 2 is communicated with liquid distribution trough 3, multilayer tower tray 8 is set in tank body 1, every layer of tower tray 8 is all distributed with several downspouts 5, downspout 5 upper end is passed tower tray 8 and is stretched out tower tray 8 about 50mm, each downspout 5 lower end is connected with a distributing disc 6 again, tower tray 8 is evenly placed with the corpuscular catalyst of loose heap 7 (comprising the outer catalyst 71 of calotte and calotte inner catalyst 72), the filling of catalyst 7 (comprising the outer catalyst 71 of calotte and calotte inner catalyst 72) is highly 30mm.The portion outboard that downspout 5 exceeds tower tray 8 is covered with calotte 4, calotte 4 is arranged with downspout 5 is concentric, and leave crack between calotte 4 and downspout 5 tube wall, catalyst (i.e. calotte inner catalyst 72 is filled with equally in crack, it is consistent with the height of the outer catalyst 71 of calotte that it loads height), be provided with liquid passage bottom calotte 4 and between tower tray 8.
The diameter of downspout 5 is 40mm, and the diameter of calotte 4 is 80mm, and cap height is 40mm, and the crack spacing between calotte 4 and downspout 5 tube wall is 20mm.The part that downspout 5 exceeds tower tray 8 is upper downspout, and the upper end circumference of upper downspout is provided with some overflowing discharge orifices 10.The percent opening of upper downspout overflow discharge orifice is 10%, and the opening diameter of spout hole 10 is 6mm.
The bottom of each downspout 5 is fixed with a distributing disc 6 again, and the bottom of downspout 5 is provided with fluid passage with distributing disc junction is same again, distributing disc 6 is hollow cylindrical structure of a top end opening again, cylinder height 2mm, and the base plate of cylindrical structural is evenly distributed with several liquid reducing holes 11, the opening diameter of liquid reducing hole 11 is 4mm, for disperseing the liquid got off from downspout 5.The shape of spout hole 10 or liquid reducing hole 11 (also can design according to actual needs for circular and become ellipse, quadrangle, quincunx or other shapes.)。
Embodiment 2
The utility model comprises tank body 1, the top-side of tank body 1 is provided with feed pipe 2, discharge nozzle 9 is provided with bottom tank body 1, feed pipe 2 is communicated with liquid distribution trough 3, arranges multilayer tower tray 8 in tank body 1, every layer of tower tray 8 is all distributed with several downspouts 5, downspout 5 upper end is passed tower tray 8 and is stretched out tower tray 8 about 200mm, each downspout 5 lower end is connected with a distributing disc 6 again, and tower tray 8 is evenly placed with the corpuscular catalyst 7 of loose heap, its filling is highly 150mm.The portion outboard that downspout 5 exceeds tower tray 8 is covered with calotte 4, the diameter of downspout 5 is 90mm, the diameter of calotte 4 is 150mm, cap height is 160mm, leave crack between calotte 4 top board and downspout 5 top, crack spacing is 50mm, is filled with catalyst (i.e. calotte inner catalyst 72 in crack equally, it is consistent with the height of the outer catalyst 71 of calotte that it loads height), be provided with liquid passage bottom calotte 4 and between tower tray 8.The part that downspout 5 exceeds tower tray 8 is upper downspout, and the percent opening of the spout hole on upper downspout is 30%, and the opening diameter of spout hole 10 is 10mm.
The bottom of each downspout 5 is fixed with a distributing disc 6 again, distributing disc 6 is hollow cylindrical structure of a top end opening again, cylinder height 4mm, and the base plate of cylindrical structural is evenly distributed with several liquid reducing holes 11, the opening diameter of liquid reducing hole 11 is 6mm, for disperseing the liquid got off from downspout 5.Spout hole 10 or liquid reducing hole 11 all become parallelogram.
Embodiment 3
The utility model comprises tank body 1, the top-side of tank body 1 is provided with feed pipe 2, discharge nozzle 9 is provided with bottom tank body 1, feed pipe 2 is communicated with liquid distribution trough 3, arranges multilayer tower tray 8 in tank body 1, every layer of tower tray 8 is all distributed with several downspouts 5, downspout 5 upper end is passed tower tray 8 and is stretched out tower tray 8 about 400mm, each downspout 5 lower end is connected with a distributing disc 6 again, and tower tray 8 is evenly placed with the corpuscular catalyst 7 of loose heap, its filling is highly 350mm.The portion outboard that downspout 5 exceeds tower tray 8 is covered with calotte 4, the diameter of downspout 5 is 150mm, the diameter of calotte 4 is 350mm, cap height is 400mm, leave crack between calotte 4 top board and downspout 5 top, crack spacing is 85mm, is filled with catalyst (i.e. calotte inner catalyst 72 in crack equally, it is consistent with the height of the outer catalyst 71 of calotte that it loads height), be provided with liquid passage bottom calotte 4 and between tower tray 8.The part that downspout 5 exceeds tower tray 8 is upper downspout, and the percent opening of the spout hole on upper downspout is 50%, and the opening diameter of spout hole 10 is 15mm.
The bottom of each downspout 5 is fixed with a distributing disc 6 again, distributing disc 6 is hollow cylindrical structure of a top end opening again, cylinder height 8mm, and the base plate of cylindrical structural is evenly distributed with several liquid reducing holes 11, the opening diameter of liquid reducing hole 11 is 8mm, for disperseing the liquid got off from downspout 5.All becoming of spout hole 10 or liquid reducing hole 11 is oval.
In practical operation, it is inner that material enters tank body 1 by feed pipe 2, be distributed in liquid distribution trough 3 on contiguous tower tray 8 through liquid distribution trough 3, tower tray 8 fully contacts with catalyst 7, then entered in downspout 5 by the spout hole 10 of guide effect above downspout 5 of calotte 4 and fall liquid distributing disc 6 extremely again, after distributing again, enter into lower floor's tower tray 8, so repeatedly, final products obtained therefrom is discharged via discharge nozzle 9.This liquid-equal flow reactor of liquid catalysis, can make material Uniform Flow in tower, and provides enough time to material and catalyst exposure, and reaction effect is good, conversion ratio is high, and be that a kind of structure is simple, cost is low, the liquid that reaction effect is good-equal flow reactor of liquid catalysis.
Above embodiment has been described in detail the utility model, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (9)
1. liquid-equal flow reactor of liquid catalysis, comprise tank body (1), the top-side of described tank body (1) is provided with feed pipe (2), tank body (1) bottom is provided with discharge nozzle (9), described feed pipe (2) is communicated with liquid distribution trough (3), it is characterized in that: multilayer tower tray (8) is set in described tank body (1), described tower tray (8) is distributed with several downspouts (5), described downspout (5) upper end is passed tower tray (8) and is stretched out tower tray (8) 10-500mm, each downspout (5) lower end is connected with a distributing disc (6) again, described tower tray (8) is evenly placed with catalyst (7), the filling of described catalyst (7) is highly 10-400mm.
2. liquid according to claim 1-equal flow reactor of liquid catalysis, it is characterized in that: the portion outboard that described downspout (5) exceeds tower tray (8) is covered with calotte (4), described calotte (4) arranges with described downspout (5) is concentric and leaves crack between calotte (4) and downspout (5), is provided with liquid passage between described calotte (4) bottom and tower tray (8).
3. liquid according to claim 1-equal flow reactor of liquid catalysis, it is characterized in that: the diameter of described downspout (5) is 20-200mm, the diameter of described calotte (4) is 30-400mm, described calotte (4) is highly 10-600mm, and the crack spacing between described calotte (4) and downspout (5) tube wall is 5-100mm.
4. liquid according to claim 1-equal flow reactor of liquid catalysis, it is characterized in that: the part that described downspout (5) exceeds tower tray (8) is upper downspout, the upper end circumference of described upper downspout is provided with some overflowing discharge orifices (10).
5. liquid according to claim 4-equal flow reactor of liquid catalysis, is characterized in that: the percent opening of described upper downspout overflow discharge orifice is 5-60%, and the opening diameter of described spout hole (10) is 5-20mm.
6. liquid according to claim 1-equal flow reactor of liquid catalysis, it is characterized in that: described distributing disc again (6) is the hollow cylindrical structure of a top end opening, cylinder height 1-10mm, and the base plate of described cylindrical structural is evenly distributed with several liquid reducing holes (11).
7. liquid according to claim 6-equal flow reactor of liquid catalysis, is characterized in that: the opening diameter of described liquid reducing hole (11) is 2-10mm.
8. the liquid according to claim 4 or 6-equal flow reactor of liquid catalysis, is characterized in that: the shape of described spout hole (10) or liquid reducing hole (11) is circular, oval, quadrangle or quincunx.
9. liquid according to claim 1-equal flow reactor of liquid catalysis, is characterized in that: described catalyst (7) is loose heap granular pattern catalyst.
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| CN201420578823.8U CN204234070U (en) | 2014-10-09 | 2014-10-09 | A kind of liquid-equal flow reactor of liquid catalysis |
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| CN201420578823.8U CN204234070U (en) | 2014-10-09 | 2014-10-09 | A kind of liquid-equal flow reactor of liquid catalysis |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363388A (en) * | 2015-12-02 | 2016-03-02 | 中国天辰工程有限公司 | Multi-phase liquid distribution structure for tubular reactor |
| CN105944651A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Multi-layer drop tube type falling film polycondensation reactor |
| CN106311104A (en) * | 2016-09-29 | 2017-01-11 | 天津奥展兴达化工技术有限公司 | Method and device for improving product formation rate of liquid-liquid reaction system |
| CN108097178A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of tooth weir formula, which subtracts, rushes equal flow table |
| CN109718721A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | Trickle bed reactor |
| CN111655351A (en) * | 2017-12-21 | 2020-09-11 | 环球油品有限责任公司 | Dirt collecting device for downflow reactor |
| CN111655354A (en) * | 2017-12-21 | 2020-09-11 | 环球油品有限责任公司 | Dirt collecting device for downflow reactor |
| US11298669B2 (en) | 2017-12-21 | 2022-04-12 | Uop Llc | Scale collection device for downflow reactors |
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2014
- 2014-10-09 CN CN201420578823.8U patent/CN204234070U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363388A (en) * | 2015-12-02 | 2016-03-02 | 中国天辰工程有限公司 | Multi-phase liquid distribution structure for tubular reactor |
| CN105944651A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Multi-layer drop tube type falling film polycondensation reactor |
| CN105944651B (en) * | 2016-05-16 | 2018-01-12 | 浙江大学 | A kind of multilayer falls tube type falling-film polycondensation reactor |
| CN106311104A (en) * | 2016-09-29 | 2017-01-11 | 天津奥展兴达化工技术有限公司 | Method and device for improving product formation rate of liquid-liquid reaction system |
| CN108097178A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of tooth weir formula, which subtracts, rushes equal flow table |
| CN109718721A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | Trickle bed reactor |
| CN109718721B (en) * | 2017-10-27 | 2021-07-09 | 中国石油化工股份有限公司 | Trickle bed reactor |
| CN111655351A (en) * | 2017-12-21 | 2020-09-11 | 环球油品有限责任公司 | Dirt collecting device for downflow reactor |
| CN111655354A (en) * | 2017-12-21 | 2020-09-11 | 环球油品有限责任公司 | Dirt collecting device for downflow reactor |
| US11224849B2 (en) | 2017-12-21 | 2022-01-18 | Uop Llc | Scale collection device for downflow reactors |
| US11298669B2 (en) | 2017-12-21 | 2022-04-12 | Uop Llc | Scale collection device for downflow reactors |
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