CN203227493U - Gas-liquid mixing reactor - Google Patents
Gas-liquid mixing reactor Download PDFInfo
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- CN203227493U CN203227493U CN 201320050838 CN201320050838U CN203227493U CN 203227493 U CN203227493 U CN 203227493U CN 201320050838 CN201320050838 CN 201320050838 CN 201320050838 U CN201320050838 U CN 201320050838U CN 203227493 U CN203227493 U CN 203227493U
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- mixing tube
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Abstract
The utility model discloses a gas-liquid mixing reactor, comprising an air chamber and a guide cylinder, which are communicated through a mixing pipe, wherein the air chamber is connected to a circulating pipe; the guide cylinder is of a cylindrical hollow cavity structure formed by an inner tank and an outer wall; and a guide layer is formed between the inner tank and the outer wall, and provided with a guide hole. By adopting the gas-liquid mixing reactor designed by the utility model, the problems of low material utilization rate of the traditional gas-liquid mixing reaction device, inadequate mixing, poor mass transfer efficiency of chemical reaction, and the like are solved.
Description
Technical field
The utility model belongs to the gas-liquid chemical reaction equipment, specifically relates to a kind of gas-liquid mixed reactor.
Background technology
In chemical engineering industry, there is a large amount of gas liquid reactions, as the processing of industrial waste gas, catalytic hydrogenation, aminating reaction etc., gas-liquid reaction apparatus commonly used has absorption tower, stirring-type ventilatory response still, jet ejectors etc., liquid sprays from the top down from the tower top in the absorption tower, thereby gas is upwards realized gas-liquid mixed generation chemical reaction from the bottom; Stirring-type ventilatory response still by a plurality of eyelets of paddle feed gases and under agitation with still in liquid reactions; Jet ejectors is to utilize injection stream that gas is sucked, thereby realizes gas-liquid mixed.But, more than several gas-liquid reaction apparatus because gas-liquid mass transfer hinders and may cause that gas-liquid is parallel in pipeline passes through, or be difficult to realize that gas-liquid fully mixes, prolong chemical time thereby reduce mass-transfer efficiency.
The utility model content
Abundant inadequately for solving traditional gas-liquid mixed reaction unit mixing of materials, problem such as the chemical reaction mass-transfer efficiency is low, the utility model has related to a kind of gas-liquid mixed reactor.
For achieving the above object, the technical solution of the utility model is, a kind of gas-liquid mixed reactor, described gas-liquid mixed reactor comprises air chamber and the guide shell that is communicated with by mixing tube, air chamber connects circulation pipe, described guide shell is the cylindrical hollow cavity body structure that inner bag and outer wall constitute, and forms the water conservancy diversion layer between inner bag and the outer wall, and has pod apertures.Its advantage is: the gas-liquid mixed reactor is built in the retort, and in the air chamber of gas-liquid mixed reactor, gas enters air chamber; Nozzle that circulation pipe connects is injected into the mixing mouth of pipe with liquid, when the liquid with certain pressure sprays, form high-velocity fluid, and around nozzle, form pressure and fall, thereby the gas in the air chamber entrainmented bring mixing tube into and be the turbulent flow attitude and flow, realize efficient mass transfer, the reaction of gas-liquid material; Gas-liquid mixture increases and promotes gas-liquid mixture through enlarging position static pressure and enters guide shell and further react then; Guide shell inner bag bottom has pod apertures, and gas-liquid mixture can only enter into the water conservancy diversion layer from these apertures, and the shear action of pod apertures makes gas-liquid fully mix again, enters the water conservancy diversion layer.The density of gas is overflowed liquid level easily and is reduced mass-transfer efficiency than liquid light, but the long and narrow space of guide shell inner bag and water conservancy diversion layer guarantees that gas can not overflow, thereby improves the gas-liquid mixed mass-transfer efficiency.Use solid catalyst particle＜200 orders, can prevent material plug nozzle, pod apertures etc. in the circular response process.
Described gas-liquid mixed reactor, pod apertures are opened at inner bag bottom and outer wall top.Its advantage is: the range ability and high efficient gas and liquid mass transfer and the reaction time that prolong gas-liquid turbulent flow mixed state in the guide shell, the material that overflows guide shell is not finished the descending realization separation of gas overflow, liquid of chemical reaction in retort, gas can rise up into retort top, and liquid flow to the bottom of retort.
Described gas-liquid mixed reactor, guide shell outer wall bottom has osculum.Its advantage is: after chemical reaction was finished, residual liquid was discharged from osculum in the guide shell, prevented liquid residue in the guide shell.
Described gas-liquid mixed reactor, air chamber bottom is for being the inverted cone-shaped structure in the center of circle with the mixing tube.Its advantage is: inverted cone-shaped structure, the fluid pressure that mixing tube is flowed out increase and the promotion material enters guide shell fully.
Described gas-liquid mixed reactor, circulation pipe is positioned at the air chamber top, and the nozzle that is spirally connected extends to the mixing tube porch and becomes to disconnect shape, 2-5mm at interval with the mixing mouth of pipe.Its advantage is: can change the nozzle of different bores according to gas with various and liquid, and short as the hand line nozzle hybrid channel, be suitable for the strong reaction of getter action, as industrial SO
3Waste gas, NO
2The recycling of harmful exhausts such as gas requires nozzle place negative pressure low, and gettering ability is strong, and atomizing of liquids is relative very fast with the absorption gas reaction, and the reaction back is converted into pernicious gas the chemical analysis of fixedness rapidly.SO
3+ Ca(OH)
2==CaSO
4Limewash absorbs industrial SO
3Waste gas, reaction form CaSO fast
4The NO of some chemical workshops discharging and for example
2Gas can adopt this reaction unit, simultaneously with NO
2Absorb with spraying alkaline reaction with oxygen in the air.4NO
2+O
2+4NaOH=4NaNO
3+2H
2O。
Described gas-liquid mixed reactor, described mixing tube and guide shell are spirally connected, and are up-narrow and down-wide horn-like structure.Its advantage is: mixing tube is up-narrow and down-wide horn-like structure, gas-liquid mixture fully mixes the formation turbulent flow in mixing tube, thereby make reaction more abundant, and mixing tube and guide shell are spirally connected, can be according to gas with various and liquid, change the mixing tube of different bores and length, be suitable for gas as the long mixing tube of heavy caliber and feed the reaction more weak to the getter action requirement with the malleation form.The reaction of the adjacent amino p-methyl benzenesulfonic acid of 2-nitro Catalyzed by p-Toluenesulfonic Acid hydrogenation system, used hydrogen is provided by the caisson of certain pressure, can adopt malleation to carry and improve the gas-liquid mixed effect, mass transport process influence reaction speed between gas-liquid, therefore need proper extension gas-liquid mixed passage, expand stream position and nested guide shell length, keep gas-liquid to be turbulence state, in order to improve reaction efficiency.Other is as the unsaturated fatty acid ester catalytic hydrogenation, and reaction such as dimethylbenzene catalytic oxidation can effectively improve the service efficiency of this device by using different nozzle diameter sizes and gas-liquid mixed length of tube etc.
Description of drawings
--Fig. 1 is the utility model gas-liquid mixed structure of reactor schematic diagram;
Fig. 2 is gas-liquid mixed reaction unit schematic diagram;
Among the figure, 1, air chamber; 2, guide shell; 2-1, inner bag; 2-2, outer wall; 3, circulation pipe; 4, mixing tube; 5, water conservancy diversion layer; 6, pod apertures; 7, osculum; 8, nozzle; 9, air inlet; 10, retort; 11, condenser; 12, heat exchanger; 13, circulating pump.
The specific embodiment
Further specifying the utility model content below in conjunction with specific embodiment, is the utility model structural representation as Fig. 1; A kind of gas-liquid mixed reactor, described gas-liquid mixed reactor comprises air chamber 1 and the guide shell 2 that is communicated with by mixing tube, air chamber connects circulation pipe 3, described guide shell is the cylindrical hollow cavity body structure that inner bag 2-1 and outer wall 2-2 constitute, form water conservancy diversion layer 5 between inner bag and the outer wall, and have pod apertures 6.Pod apertures is opened at inner bag bottom and outer wall top.Guide shell outer wall bottom has osculum 7.Air chamber bottom is for being the inverted cone-shaped structure in the center of circle with the mixing tube.Circulation pipe is positioned at the air chamber top, and the nozzle 8 and be extended down to mixing tube porch and mixing tube and become to disconnect shape, 2-5mm at interval of being spirally connected.Described mixing tube is up-narrow and down-wide horn-like structure.
Be the utility model gas-liquid mixed reaction unit schematic diagram as Fig. 2, utilization is built in the gas-liquid reactor of retort 10, finish the reaction of the adjacent amino p-methyl benzenesulfonic acid of 2-nitro Catalyzed by p-Toluenesulfonic Acid hydrogenation system, concrete operations are as follows: be equipped with 2-nitro p-methyl benzenesulfonic acid 430g adding in the 3L beaker of 1500mL distilled water (1), heating for dissolving forms solution, while hot solution is transferred in the retort by charging aperture, adding fineness simultaneously is 80-120 purpose Raney nickel 23g, stirs 1-2 minute; (2) start circulating pump 13 and open heat exchanger 12, the temperature of heat exchanger is set between 72-78 ℃, opens condenser 11 again, hydrogen is fed air chamber by air inlet 9, feed after 1-2 minute, close the exhaust outlet of condenser, the check valve between condenser and the air chamber outwarded winding; (3) first two steps all are transferred to proper states with the assembly of device, and 2-nitro p-methyl benzenesulfonic acid solution begins to mix the generation chemical reaction with hydrogen.In air chamber, the liquid that is evacuated to circulation pipe through circulating pump 13 ejects with hydrogen and begins to mix, and gas-liquid mixture is at the gas-liquid mixed pipe and form turbulence state, reacts simultaneously, and be the high efficiency gas-liquid mixed first time this moment.Mixing tube is up-narrow and down-wide horn-like structure, makes hydrostatic pressure strengthen the promotion gas-liquid mixture and enters guide shell, finishes high efficiency gas-liquid mixed, mass transfer, reaction for the second time.Gas-liquid mixture flows out through inner bag bottom pod apertures, in long and narrow water conservancy diversion layer passage, realize gas-liquid mixing of materials for the third time at gas-liquid mixture under the effect of pod apertures shearing force, material repeatedly mixes the mass-transfer efficiency that has significantly improved chemical reaction, finishes gas and the liquid of chemical reaction and realize gas-liquid separation in retort behind the water conservancy diversion layer of flowing through; (4) utilize the utility model gas-liquid reaction apparatus to produce adjacent amino p-methyl benzenesulfonic acid, the entire reaction temperature is between 72-78 ℃, the retort internal pressure is 25kPa, stop to feed hydrogen after 35 minutes at 2-nitro p-methyl benzenesulfonic acid and hydrogen reaction, continue reaction after 10 minutes, close circulating pump and heat exchanger, the adjacent amino p-methyl benzenesulfonic acid that obtains is discharged from tapping channel 2, the valve closing of this passage during reaction, valve can be outwarded winding in order to discharge reactant after the reaction, the reacting rear material of discharging is carried out separation and purification, and the adjacent amino p-methyl benzenesulfonic acid purity that obtains reaches more than 98%, and unreacted 2-nitro p-methyl benzenesulfonic acid is lower than 0.2%.
Prior art is used the gas liquid reaction still, and when finishing the reaction of the adjacent amino p-methyl benzenesulfonic acid of 2-nitro Catalyzed by p-Toluenesulfonic Acid hydrogenation system, temperature need be more than 100 ℃, and pressure is more than 2.0 MPa, and the entire reaction time needs 3h just can finish.Use the utility model gas-liquid reaction apparatus temperature and only need 72-78 ℃, pressure only needs 25kPa, the time of entire reaction only needed get final product in 45 minutes, behind hydrogen and 2-nitro p-methyl benzenesulfonic acid solution mixing generation chemical reaction, unreacting gas is gone into condenser and is entered air chamber again, liquid flows back to the circulating pump of retort through connecting and is evacuated to the ejection of air chamber jet, outside reacting tank body, realize two circulations of gas-liquid material, add and in air and liquid mixer, realize three times fully mix, improve the efficient of chemical reaction, therefore obtain the amino p-methyl benzenesulfonic acid of highly purified neighbour, material reaction is complete, save reaction raw materials, time-saving energy-saving, convenient to operation.
The utility model gas-liquid reaction apparatus can improve efficient, the shortening reaction time of any kind gas liquid reaction; the embodiment that lists is only for further specifying structure of the present utility model; and the beneficial effect that brings of the utility model structure; be not any restriction that utility model is made, all the utility model in fact the simple modification made of content and improving all still belong within the protection domain of technical solutions of the utility model.
Claims (7)
1. gas-liquid mixed reactor, described gas-liquid mixed reactor comprises air chamber (1) and the guide shell (2) that is communicated with by mixing tube (4), air chamber connects circulation pipe (3), it is characterized in that, described guide shell is the cylindrical hollow cavity body structure that inner bag (2-1) and outer wall (2-2) constitute, form water conservancy diversion layer (5) between inner bag and the outer wall, and have pod apertures (6).
2. gas-liquid mixed reactor according to claim 1 is characterized in that, pod apertures is opened at inner bag bottom and outer wall top.
3. gas-liquid mixed reactor according to claim 1 is characterized in that, guide shell outer wall bottom has osculum (7).
4. gas-liquid mixed reactor according to claim 1 is characterized in that, air chamber bottom is for being the inverted cone-shaped structure in the center of circle with the mixing tube.
5. gas-liquid mixed reactor according to claim 1 is characterized in that, circulation pipe is positioned at the air chamber top, and the nozzle that is spirally connected (8).
6. gas-liquid mixed reactor according to claim 5 is characterized in that, nozzle extends to the mixing tube porch and becomes disrupted configuration with mixing tube.
7. gas-liquid mixed reactor according to claim 1 is characterized in that, described mixing tube is up-narrow and down-wide horn-like structure, and mixing tube and mozzle are spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050838 CN203227493U (en) | 2013-01-30 | 2013-01-30 | Gas-liquid mixing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050838 CN203227493U (en) | 2013-01-30 | 2013-01-30 | Gas-liquid mixing reactor |
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| CN203227493U true CN203227493U (en) | 2013-10-09 |
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| CN 201320050838 Expired - Fee Related CN203227493U (en) | 2013-01-30 | 2013-01-30 | Gas-liquid mixing reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815569A (en) * | 2015-04-10 | 2015-08-05 | 顾卫荣 | Liquid-gas mixer and gas-liquid recovery device by employing liquid-gas mixer |
| CN105038845A (en) * | 2015-07-10 | 2015-11-11 | 中石化炼化工程（集团）股份有限公司 | Apparatus used for strengthening gas-liquid mass transfer of bubbling bed hydrogenation reactor |
| CN106166470A (en) * | 2016-07-23 | 2016-11-30 | 河南新天地药业股份有限公司 | A kind of dynamic hydraulic combined reaction unit |
| CN110420609A (en) * | 2019-09-02 | 2019-11-08 | 南京中汇能源科技研发中心 | A kind of micro/nano-scale multiphase flow process intensification reaction unit |
| CN111362850A (en) * | 2020-03-16 | 2020-07-03 | 内蒙古兰格生物科技有限公司 | Improved process for carrying out cyclization and continuous feed apparatus therefor |
-
2013
- 2013-01-30 CN CN 201320050838 patent/CN203227493U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815569A (en) * | 2015-04-10 | 2015-08-05 | 顾卫荣 | Liquid-gas mixer and gas-liquid recovery device by employing liquid-gas mixer |
| CN105038845A (en) * | 2015-07-10 | 2015-11-11 | 中石化炼化工程（集团）股份有限公司 | Apparatus used for strengthening gas-liquid mass transfer of bubbling bed hydrogenation reactor |
| CN106166470A (en) * | 2016-07-23 | 2016-11-30 | 河南新天地药业股份有限公司 | A kind of dynamic hydraulic combined reaction unit |
| CN110420609A (en) * | 2019-09-02 | 2019-11-08 | 南京中汇能源科技研发中心 | A kind of micro/nano-scale multiphase flow process intensification reaction unit |
| CN110420609B (en) * | 2019-09-02 | 2024-02-20 | 杭州烃能科技研究有限公司 | Micro-nano scale multiphase flow process strengthening reaction device |
| CN111362850A (en) * | 2020-03-16 | 2020-07-03 | 内蒙古兰格生物科技有限公司 | Improved process for carrying out cyclization and continuous feed apparatus therefor |
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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: 20131009 Termination date: 20150130 |
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| EXPY | Termination of patent right or utility model |