CN203711001U - Gas-liquid jet type circulation flow reactor - Google Patents
Gas-liquid jet type circulation flow reactor Download PDFInfo
- Publication number
- CN203711001U CN203711001U CN201320778643.XU CN201320778643U CN203711001U CN 203711001 U CN203711001 U CN 203711001U CN 201320778643 U CN201320778643 U CN 201320778643U CN 203711001 U CN203711001 U CN 203711001U
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- Prior art keywords
- gas
- liquid
- flow reactor
- circulation flow
- fluid injector
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 23
- 239000012071 phase Substances 0.000 claims description 22
- 239000000047 product Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000007792 gaseous phase Substances 0.000 claims description 11
- 239000012263 liquid product Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 239000000376 reactant Substances 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 18
- 239000003054 catalyst Substances 0.000 description 11
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a gas-liquid jet type circulation flow reactor. The gas-liquid jet type circulation flow reactor comprises an outer cylinder, a flow guiding cylinder, a solid-liquid two-phase material feeding pipe and a gas-phase material feeding pipe, wherein the flow guiding cylinder is arranged in the outer cylinder and is mounted coaxial with the outer cylinder, and the solid-liquid two-phase material feeding pipe and the gas-phase material feeding pipe are respectively arranged on two sides of the bottom of the outer cylinder; a gas nozzle and a liquid nozzle are arranged at the bottom of the flow guiding cylinder in the outer cylinder, the gas nozzle is located above the liquid nozzle, the gas-phase material feeding pipe is communicated with the gas nozzle, and the solid-liquid two-phase material feeding pipe is communicated with the liquid nozzle. By utilizing the gas-liquid jet type circulation flow reactor, the problems that reactants cannot be stirred to be uniform, a stirring dead angle exists and the like can be effectively avoided; the gas-liquid jet type circulation flow reactor can be applied to a gas-liquid-solid three-phase reaction.
Description
Technical field
The utility model relates to a kind of circulation flow reactor, and particularly a kind of gas-liquid injection formula circulation flow reactor is specifically related to circulation flow reactor in the application of producing in the phase reactions such as polymethoxy dimethyl ether.
Background technology
Gas-liquid-solid reactor in existing chemical process, general mechanical agitation autoclave reactor or the fixed bed reactors of adopting, what in two kinds of reactors, carry out is all semicontinuous semibatch reaction, there is catalyst separation problem, therefore, conventionally need several reactor series connection to use, increased cost of investment.In addition, tank reactor also exists and stirs inequality, easily have the problems such as dead angle, and mechanical agitation can cause certain wearing and tearing to reactor wall and catalyst.And fixed bed reactors require strictly catalyst life, overall stationary structure is not only not quick detachable, also easily forms inner channel.So reactor and fixed bed reactors are applied in polymethoxy dimethyl ether technique or when other phase reaction, are difficult to the continuity of realization response, greatly reduce production efficiency, have increased operation cost.
A kind of employing tank reactor has been described in US Patent No. 2007/0260094 by BASF AG, prepares the method for polymethoxy dimethyl ether taking metaformaldehyde and dimethoxym ethane as raw material, but the method can not produce continuously, is not easy to realize industrialization.
Polymethoxy dimethyl ether is prepared taking ionic liquid as catalyst by the Lanzhou Chemistry and Physics Institute of the Chinese Academy of Sciences, in Chinese patent CN101182367H and CN101665414, reported respectively taking methyl alcohol, metaformaldehyde as raw material and prepared taking dimethoxym ethane, metaformaldehyde as raw material the research of polymethoxy dimethyl ether, two kinds of preparation methods carry out in tank reactor.
Sinopec Group has reported in Chinese patent CN102372611 and CN102372614 that respectively dimethoxym ethane and metaformaldehyde, under effecting reaction condition, react to prepare polymethoxy dimethyl ether in catalytic distillation tower.This reactive mode requires very high to catalyst life, often need more catalyst changeout, operation inconvenience, or need to use several destilling towers switchings to use simultaneously, and investment is large, and cost is high.The said firm has reported that in Chinese patent CN202052537 another uses reactor to prepare the technique of polymethoxy dimethyl ether, equally also exists gas-solid liquid phase to mix uneven problem.
Beijing Cole Supreme Being art designing journey Technology Co., Ltd. has reported respectively taking methyl alcohol, metaformaldehyde as raw material at Chinese patent CN102701923 and CN202808649, uses the synthetic polymethoxy dimethyl ether of annular-pipe reactor.But this reactor exists liquid holdup low, the problems such as easy obstruction, are difficult for realizing industrialization.
Utility model content
Problem to be solved in the utility model is to provide a kind of reactant of avoiding to stir the uneven gas-liquid injection formula circulation flow reactor that easily has dead angle and can be applied to gas-liquid-solid three-phase successive reaction.
In order to address the above problem, the utility model provides a kind of gas-liquid injection formula circulation flow reactor, comprise urceolus, be arranged in described urceolus and with the coaxial mounted guide shell of described urceolus and be arranged at respectively solid-liquid two-phase material feeding pipe and the gaseous phase materials feed pipe of urceolus two bottom sides, the gas nozzle and the fluid injector that are positioned at described guide shell bottom are set in described urceolus, described gas nozzle is positioned at the top of fluid injector, described gaseous phase materials feed pipe is communicated with gas nozzle, and described solid-liquid two-phase material feeding pipe is communicated with described fluid injector.
As preferably, in the middle of being, described gas nozzle and fluid injector be provided with the enclosed type endless tube of cross passage, in described cross passage and enclosed type endless tube one side upward, be provided with multiple spray-holes.
As preferably, the quantity of the spray-hole on described gas nozzle and fluid injector is 100-300; The diameter of described spray-hole is 0.2mm-1mm.
As preferably, it is characterized in that, the cross-sectional area of described guide shell is 3-30 with the ratio of the cross-sectional area of fluid injector.
As preferably, the cross-sectional area of described guide shell is 3-4 with the ratio of the cross-sectional area of fluid injector.
As preferably, the top that is positioned at described urceolus inner draft tube is provided with the filter screen for filtration product, and described filter screen top connects the solid-liquid product circulation delivery line stretching out from outer tube side wall, and the top of described urceolus is connected with gas-phase product circulation delivery line.
As preferably, between described gas-phase product circulation delivery line and gaseous phase materials feed pipe, be connected with return, described return is connected with condenser, point flow container and heat exchanger in turn from the one end being connected with described gas-phase product circulation delivery line.
The beneficial effect of gas-liquid injection formula circulation flow reactor of the present utility model is, the power providing by gas and fluid injector can form good circulation system in reactor, make reaction mass and catalyst mix more even, and this reactor liquid holdup makes greatly catalyst amount relatively little, has effectively avoided obstruction.Especially gas nozzle and fluid injector are stacked to setting, make the dynamics of spraying improve at least one times.In addition, the gas holdup that the arranging especially of the urceolus in the utility model and the diameter of guide shell ratio can remain higher and stable circulation state, to the stirring of reactant also more fully thoroughly.
Brief description of the drawings
Fig. 1 is the structural representation of gas-liquid injection formula circulation flow reactor of the present utility model.
Fig. 2 is the top view of the fluid injector of gas-liquid injection formula circulation flow reactor of the present utility model.
Reference numeral:
1-solid-liquid two-phase material feeding pipe; 2-gaseous phase materials feed pipe; 3-fluid injector; 4-bottom material extraction mouth; 5-guide shell; 6-solid-liquid product circulation delivery line; 7-gas-phase product delivery line; 8-condenser; 9-divides flow container; 10-visor; 11-filter screen; 12-heat exchanger; 13-gas nozzle; 14-spray-hole; 15-urceolus; 16-return.
Detailed description of the invention
Be described in detail of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of gas-liquid injection formula circulation flow reactor that the utility model provides, comprise urceolus 15, coaxial mounted and be positioned at the guide shell 5 of urceolus 15 and be arranged at the gas nozzle 13 of guide shell 5 bottoms and be positioned at the fluid injector 3 of gas nozzle 13 belows with urceolus 15, urceolus 15 two bottom sides are provided with gaseous phase materials feed pipe 2 and solid-liquid two-phase material feeding pipe 1.Wherein, gaseous phase materials feed pipe 2 tops are connected with gas nozzle 13, and solid-liquid two-phase material feeding pipe 1 top is communicated with fluid injector 3.The filter screen 11 for filtration product is equipped with in guide shell 5 tops in urceolus 15, and filter screen 11 tops are communicated with the solid-liquid product circulation delivery line 6 that is positioned at urceolus 15 side-walls and stretches out its sidewall, and urceolus 15 tops connect gas-phase product delivery lines 7.
Continue in conjunction with Fig. 1, further, this circulation flow reactor is also provided with a closed circuit outward, be specially: between gas-phase product delivery line 7 and gaseous phase materials feed pipe 2, be connected with return 16, return 16 is connected with condenser 8 in turn from the one end being connected with gas-phase product delivery line 7, divide flow container 9 and heat exchanger 12, be first through condenser 8 or compressor, gas to be liquefied after gas-phase product delivery line 7 is derived product, product stream after liquefaction is to a point flow container 9, liquid in this point of flow container 9 gasifies through heat exchanger 12 again, finally vaporized all gas-phase products directly being accessed to gaseous phase materials feed pipe 2 makes it enter the interior continuation participation of urceolus 15 reaction.Solid-liquid product circulation delivery line 6 wherein can connect chemical separation device (not shown), solid is isolated to rear continuation liquid phase material is put in cylinder and reacted.In addition, preferably, be positioned at urceolus 15 sidewall lower semisections and position and be provided with bottom material extraction mouth 4 higher than guide shell 5 bottom places, the material of extraction is the not liquid material of complete reaction or the impurity accumulating of solid catalyst and some, can prevent from stopping up.On urceolus 15, be also provided with the visor 10 for observing internal-response situation with these bottom material extraction mouth 4 relative position places.
Adopt gas-liquid injection formula circulation flow reactor of the present utility model, the power providing by gas nozzle 13 and fluid injector 3 can form good circulation system in reactor, make reaction mass and catalyst mix more even, there will not be turn round and round phenomenon and reactant dead angle, and this reactor liquid holdup makes greatly catalyst amount relatively little, has effectively avoided obstruction.Especially gas nozzle and fluid injector are stacked to setting, make the dynamics of spraying improve at least one times.
Preferably, as shown in Figure 2, fluid injector 3 in the present embodiment is the middle enclosed type endless tube that is provided with cross passage, this endless tube surface is provided with the spray-hole 14 that 200 diameters are 0.6mm, certainly spray-hole 14 can be also 100-300 in quantity, diameter is to choose according to actual needs within the scope of 0.1mm-1mm, wherein not only can increase the quantity of spray-hole 14 but also endless tube is played to fixed support effect cross passage being set in the middle of endless tube, extends its service life.The structure of gas nozzle 13 is identical with the structure of fluid injector 3.Further, for maintaining higher gas holdup, the sectional area of guide shell 5 is preferably 3-4 with the ratio of the sectional area of fluid injector 3, also can within the scope of 3-30, draft according to actual conditions.More stable for realizing circulation system, the spray line speed of gas nozzle 13 has also been made to detailed restriction, be preferably 3m/s-10m/s, certainly, if limited by actual conditions, in 1m/s-45m/s, access speed value also can.
In the present embodiment, this circulation flow reactor is applied to and produces in polymethoxy dimethyl ether, remarkably productive.Particularly, the reactant of use is metaformaldehyde and dimethoxym ethane (also can use polyformaldehyde and dimethoxym ethane), and catalyst selection range is wider, can be one or more solid catalysts.Temperature in reactor is preferably 47 DEG C-102 DEG C, and reaction pressure is preferably 0.1MPa-1MPa.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can, in essence of the present utility model and protection domain, make various amendments or be equal to replacement the utility model, this amendment or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (7)
1. gas-liquid injection formula circulation flow reactor, it is characterized in that, comprise urceolus, be arranged in described urceolus and with the coaxial mounted guide shell of described urceolus and be arranged at respectively solid-liquid two-phase material feeding pipe and the gaseous phase materials feed pipe of urceolus two bottom sides, the gas nozzle and the fluid injector that are positioned at described guide shell bottom are set in described urceolus, described gas nozzle is positioned at the top of fluid injector, described gaseous phase materials feed pipe is communicated with gas nozzle, and described solid-liquid two-phase material feeding pipe is communicated with described fluid injector.
2. gas-liquid injection formula circulation flow reactor according to claim 1, it is characterized in that, the enclosed type endless tube that is provided with cross passage in the middle of described gas nozzle and fluid injector are, is provided with multiple spray-holes in described cross passage and enclosed type endless tube one side upward.
3. gas-liquid injection formula circulation flow reactor according to claim 2, is characterized in that, the quantity of the spray-hole on described gas nozzle and fluid injector is 100-300; The diameter of described spray-hole is 0.2mm-1mm.
4. according to the gas-liquid injection formula circulation flow reactor one of claim 1-3 Suo Shu, it is characterized in that, the cross-sectional area of described guide shell is 3-30 with the ratio of the cross-sectional area of fluid injector.
5. gas-liquid injection formula circulation flow reactor according to claim 4, is characterized in that, the cross-sectional area of described guide shell is 3-4 with the ratio of the cross-sectional area of fluid injector.
6. gas-liquid injection formula circulation flow reactor according to claim 1, it is characterized in that, the top that is positioned at described urceolus inner draft tube is provided with the filter screen for filtration product, described filter screen top connects the solid-liquid product circulation delivery line stretching out from outer tube side wall, and the top of described urceolus is connected with gas-phase product circulation delivery line.
7. gas-liquid injection formula circulation flow reactor according to claim 6, it is characterized in that, between described gas-phase product circulation delivery line and gaseous phase materials feed pipe, be connected with return, described return is connected with condenser, point flow container and heat exchanger in turn from the one end being connected with described gas-phase product circulation delivery line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778643.XU CN203711001U (en) | 2013-12-02 | 2013-12-02 | Gas-liquid jet type circulation flow reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778643.XU CN203711001U (en) | 2013-12-02 | 2013-12-02 | Gas-liquid jet type circulation flow reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711001U true CN203711001U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320778643.XU Expired - Lifetime CN203711001U (en) | 2013-12-02 | 2013-12-02 | Gas-liquid jet type circulation flow reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203711001U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815593A (en) * | 2015-04-01 | 2015-08-05 | 中石化上海工程有限公司 | Bubbling reactor and use thereof |
| CN105481054A (en) * | 2015-12-30 | 2016-04-13 | 陕西师范大学 | Jet loop reactor with guiding body component |
| CN105540737A (en) * | 2015-12-30 | 2016-05-04 | 陕西师范大学 | Hydraulic acoustic cavitation circulation flow reactor |
| CN106540637A (en) * | 2016-11-24 | 2017-03-29 | 中国科学院山西煤炭化学研究所 | A kind of circulation flow reactor and application process |
| CN109663546A (en) * | 2019-02-21 | 2019-04-23 | 南京科技职业学院 | A kind of antifebrin synthesis special purpose reactor |
-
2013
- 2013-12-02 CN CN201320778643.XU patent/CN203711001U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815593A (en) * | 2015-04-01 | 2015-08-05 | 中石化上海工程有限公司 | Bubbling reactor and use thereof |
| CN105481054A (en) * | 2015-12-30 | 2016-04-13 | 陕西师范大学 | Jet loop reactor with guiding body component |
| CN105540737A (en) * | 2015-12-30 | 2016-05-04 | 陕西师范大学 | Hydraulic acoustic cavitation circulation flow reactor |
| CN105481054B (en) * | 2015-12-30 | 2018-01-12 | 陕西师范大学 | A kind of injection circulation reactor with guide way component |
| CN105540737B (en) * | 2015-12-30 | 2018-05-08 | 陕西师范大学 | A kind of waterpower acoustic cavitation circulation flow reactor |
| CN106540637A (en) * | 2016-11-24 | 2017-03-29 | 中国科学院山西煤炭化学研究所 | A kind of circulation flow reactor and application process |
| CN106540637B (en) * | 2016-11-24 | 2019-06-25 | 中国科学院山西煤炭化学研究所 | A kind of circulation flow reactor and application method |
| CN109663546A (en) * | 2019-02-21 | 2019-04-23 | 南京科技职业学院 | A kind of antifebrin synthesis special purpose reactor |
| CN109663546B (en) * | 2019-02-21 | 2022-09-06 | 南京科技职业学院 | Special reactor for synthesizing acetanilide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100070 301, 3 floor, 21 building, 188 District, South Fourth Ring Road, Fengtai District, Beijing. Patentee after: BEIJING RISUN TECHNOLOGY Co.,Ltd. Address before: 100070 building 21, zone 188, South Fourth Ring Road, Fengtai District, Beijing. Patentee before: BEIJING RISUN CHEMICALS TECHNOLOGY RESEARCH Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |