CN203886516U - Jet self-suction type gas and liquid contact reaction device - Google Patents
Jet self-suction type gas and liquid contact reaction device Download PDFInfo
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- CN203886516U CN203886516U CN201320854416.0U CN201320854416U CN203886516U CN 203886516 U CN203886516 U CN 203886516U CN 201320854416 U CN201320854416 U CN 201320854416U CN 203886516 U CN203886516 U CN 203886516U
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- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000004087 circulation Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 59
- 239000007921 spray Substances 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000012495 reaction gas Substances 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000000376 reactant Substances 0.000 abstract description 7
- 239000011344 liquid material Substances 0.000 abstract description 2
- 229940090046 jet injector Drugs 0.000 abstract 2
- 238000004880 explosion Methods 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Abstract
The utility model discloses a jet self-suction type gas and liquid contact reaction device. The device is in a structure formed by a reaction tank and working components which are connected through a gas and liquid pipeline; the reaction device is used for realizing storage and contact reaction of gas and liquid two-phase materials through a sealed reaction tank. The materials inside the reaction tank enter a jet injector through a circulating pipeline which is internally connected in series with a circulating pump, and are mixed with a reactant gas from a gas charging pipeline and then a mixture is injected to the reaction tank to form a ring flow. The device disclosed by the utility model is used for realizing double circulation of gas and liquid materials, and the gas and liquid can have full contact reaction under the effect of the jet injector and a flow guiding cylinder, so the reaction efficiency is high. Furthermore, a gas outlet connected with a tail gas absorbing device can have a pressure release effect when the gas pressure in a reactor is too high so as to prevent explosion and achieve a relatively high safety coefficient.
Description
Technical field
The invention belongs to industrial chemistry reaction unit, particularly a kind of self-suction gas-liquid haptoreaction device that sprays.。
Background technology
Gas-liquid contact reaction, refers to a kind of heterogeneous reaction process that has gas phase and liquid phase in reaction system, and normally vapor-phase reactant is dissolved in after liquid phase, then reacts with reactant other in liquid phase; Also may be that reactant is all present in gas phase, they be dissolved in the solution that contains catalyst and react later again.In gas-liquid contact reaction process, be first to provide good touch opportunity to gas-liquid two-phase to the common requirement of reactor, comprise and increase boundary area, twice that contact and strengthen less turbulence.
Injection reactor is the heterophase reactor developing rapidly nearly decades, is used for gas-liquid two-phase reaction, also can be used for the gas-liquid-solid phase reaction containing suspended particulates such as catalyst.Its principle is to utilize flow at high speed to go mutually to entrainment other phases, makes each phase close contact, dispersed in reactor or suspension then, and complete reaction.Injection reactor is widely used in chemical industry gas liquid reaction field as a class novel reactor, and compared with traditional gas-liquid reactor, injection reactor has many uniquenesses, excellent performance: (1) multiphase mass transfer performance is good; (2) heat transfer efficiency is large; (3) good seal performance, is convenient to reaction under high pressure; (4) unit volume input power is large; (5) working volume is large, and operating flexibility is good; (6) structure of reactor is simple, without movable part, saves energy consumption and is convenient to the serialization of course of reaction; (7) mass transfer rate and mixed effect are little to reactor scale-dependent degree, are convenient to engineering and amplify; (8) of many uses.
In the domestic engineering development at injection reactor and commercial Application, do a lot of research, also obtained more achievement.For example, (1) be numbered CN 102847492, name is called the patent of " a kind of preparation facilities that is applicable to gas liquid reaction ", the disclosed device of this patent is to use an injector being connected with circulating pump to suck gas to mix with liquid, then by the nozzle of injector, gas-liquid mixture is sprayed in reactor and is reacted.But this device can only be realized liquid-circulating, for unreacted in reactor completely gas do not accomplish to recycle, and the time of gas-liquid contact is shorter, is difficult to mix, reaction efficiency is low.(2) be numbered CN 201055774, name is called the patent of " fluid jet gas-liquid mixture reaction unit ", this patent is used an injector being connected with circulating pump, perforate coupled reaction gas inlet pipe on the tail pipe of injector, tail pipe end connects a guide shell that is positioned at inside reactor, and the suction inlet of injector joins by gas piping and main treatment tank.This device has been realized the two circulations of gas-liquid material, improve reaction efficiency, but while work due to injector, tail pipe has been full of pressure fluid, reacting gas must have elevated pressures just can send into pipe in mix with reaction liquid, this just needs compressor and corresponding power consumption, once liquid pours in down a chimney otherwise manifold air pressure not easily induces reaction.
In addition, because reacting gas mostly is toxic and harmful, will work the mischief to environment and human body once leak, even if reacting gas is harmless, also can in the process of overflowing, carry the strong acid and strong base in reaction liquid, these acid, alkali mist are also serious environmental contaminants.In addition, once pressure abnormity raises in sealed reactor, easily blasting, is indispensable so increase by one to reactor for absorbing with the device of pressure release, and most gas-liquid reactors are not all considered safety and environment factor, have larger hidden danger.
Summary of the invention
The object of this invention is to provide a kind of self-priming device of injection that is applicable to gas-liquid contact reaction, it can improve contact area and the time of gas-liquid two-phase reaction effectively, thereby improves reaction rate; Realize the two circulations of gas liquid reaction thing, improve utilization of materials, thereby improve productive rate, reduce energy consumption, there is higher safety coefficient, environmental sound.
Technical scheme of the present invention is, a kind of self-suction gas-liquid haptoreaction device that sprays, and this device comprises retort, jet ejectors, guide shell, circulating pump, device for absorbing tail gas and gas, liquid pipeline.This device is equipped with the jet ejectors for gas suction and gas-liquid mixed, there is the guide shell joining with jet ejectors in retort inside, reaction tank level below has material outlet, be connected to the jet pipe of jet ejectors by circulating pump and pipeline, using the suction inlet of jet ejectors as air inlet, by two pipelines coupled reaction gas container and the circulation of tail gas refluxing opening that is arranged at liquid level top on reacting tank body respectively.The guide shell afterbody that sprays self-suction gas-liquid haptoreaction device can be more than liquid level, also can insert below liquid level, retort material outlet is arranged on bottom more than 50 millimeters, reacting gas internal tank can be normal pressure, malleation or negative pressure, reacting gas container can be gas cylinder or the gas tank that gas is housed, and can be also the container of reacting gas generating means.
Retort bottom material outlet is communicated with the hydraulic fluid entrance of jet ejectors by liquid circulation line, and the suction inlet of jet ejectors connects air inlet pipeline.Gas liquid reaction thing forms high-velocity fluid and enters guide shell after jet ejectors mixes, and under the effect of nozzle and guide shell, gas-liquid mixture fluid forms regular circulation, in inlet zone concentration of energy, thereby shears field intensity.In the time that liquid jeting speed increases, the fragmentation of bubble is also increased, bubble mean diameter reduces, and local void fraction increases, thereby has increased the contact area of gas-liquid two-phase, has strengthened mass transfer.Spray the peptizaiton producing simultaneously and strengthened mixed effect, bubble is uniformly distributed in reaction compartment, forms overall turbulent flow, makes reaction more abundant, and this effect has further been strengthened in the design of guide shell.
Circulating pump in above-mentioned liquid circulation line, for jet ejectors provides high-pressure fluid, in the suction chamber place of injector manufacture vacuum, sucks gas.Meanwhile, Matter Transfer in retort is flowed, improve reaction efficiency.
The suction inlet of described jet ejectors is as air inlet, by two pipelines coupled reaction gas container and the circulation of tail gas refluxing opening that is arranged at liquid level top on reacting tank body respectively.Because jet ejectors is forming negative pressure in the time working, the unreacted gas existing in retort can be sucked air inlet pipeline automatically, and the gas of carrying with gas generating unit mixes, and again enters jet ejectors, recycles.Due to the getter action of jet ejectors, the reacting gas producing in gas generating unit can be easy to send in reaction unit and liquid reactants haptoreaction, do not need to obtain higher air pressure by compression, in the time not needing the reaction of pressurization, reduce auxiliary equipment, power consumption and corresponding maintenance management, and can not make liquid pour in down a chimney in gas generating unit because air pressure is too small.
Described retort has also connected a device for absorbing tail gas, and tail gas is carried out to harmless treatment, and when in retort, gas pressure increases extremely as buffer unit for pressure release, prevent blast.
The material outlet that described retort bottom connects circulating pump is arranged on bottom more than 50 millimeters, region below material outlet is as solid settling zone, due to the effect of gravity, the particle that in liquid, granularity is larger will move downward, be deposited on retort bottom, can effectively prevent that bulky grain solid sediment from too much entering material outlet and causing obstruction.After reaction finishes, leave standstill a period of time, treat that solid settles down in bottom, just can be easy to realize Separation of Solid and Liquid and collection.
Technique effect
Disclosed a kind of self-suction gas-liquid haptoreaction device that sprays in the present invention, compare with traditional mechanical stirring kettle, bubble tower and spray tower, it has increased the contact area of gas-liquid two-phase reactant, strengthening mass transfer, heat transfer, can also control easily the time of staying and the extent of reaction, improve reaction efficiency, the gas-liquid reaction system larger for liquid viscosity is also suitable for.The design that tail gas absorbs can prevent Leakage Gas, minimum to the pollution of environment, and has explosion-proof effect.This apparatus structure is simple, because reaction unit itself does not have movable part, so fault rate is very low, is easy to safeguard, energy consumption is very little.
Brief description of the drawings
Accompanying drawing 1---spray self-suction gas-liquid haptoreaction device schematic diagram.
Detailed description of the invention
As shown in Figure 1, this injection self-suction gas-liquid haptoreaction device comprises a retort 2, guide shell 3, jet ejectors 4, circulating pump 1 and device for absorbing tail gas 6.Retort 2 tops are provided with circulation of tail gas refluxing opening C, tail gas gas outlet A and material inlet B, the guide shell 3 of the mixture outlet of jet ejectors and retort inside joins, retort connects a circulating pump 1 by the material outlet D of bottom, and circulating pump 1 joins with the high-pressure fluid entrance of jet ejectors 4.Suction inlet and the air inlet pipe of jet ejectors 4 are joined, and air inlet pipe is divided into two-way, a road coupled reaction gas container 5, the circulation of tail gas refluxing opening C at another road coupled reaction tank 2 tops.Tail gas gas outlet A is connected with device for absorbing tail gas 6.
When reaction, in retort, liquid phase reactor thing is constantly sent into jet ejectors by circulating pump 1, the negative pressure that jet ejectors produces sucks the gas in reacting gas container and retort, gas-liquid two-phase reactant enters guide shell 3 by mixture outlet after the interior mixing of jet ejectors 4, after further mixing in guide shell 3, be ejected in retort 2, unreacted tail gas leads to air inlet pipeline by circulation of tail gas refluxing opening C and recycles.
If retort internal gas pressure is too high, unnecessary tail gas can enter device for absorbing tail gas 6 from tail gas gas outlet A and do harmless treatment.If reaction has sediment to generate, can after finishing, reaction leave standstill a period of time, and solids of sedimentation particle will be deposited to the bottom section of retort 2, takes away liquid from retort top, and solid can be discharged from the solid outlet E of bottom, realizes Separation of Solid and Liquid and collects.
Claims (4)
1. one kind is sprayed self-suction gas-liquid haptoreaction device, this device comprises retort, jet ejectors, guide shell, circulating pump, device for absorbing tail gas and gas, liquid pipeline, it is characterized in that: (1) this device is equipped with the jet ejectors for gas suction and gas-liquid mixed, (2) have in retort inside the guide shell joining with jet ejectors, (3) reaction tank level below has material outlet, be connected to the jet pipe of jet ejectors by circulating pump and pipeline, (4) using the suction inlet of jet ejectors as air inlet, by pipeline coupled reaction gas container and the circulation of tail gas refluxing opening that is arranged at liquid level top on reacting tank body respectively.
2. a kind of self-suction gas-liquid haptoreaction device that sprays according to claim 1, is characterized in that, described guide shell afterbody can, more than liquid level, also can insert below liquid level.
3. a kind of self-suction gas-liquid haptoreaction device that sprays according to claim 1, is characterized in that, described retort material outlet is arranged on bottom more than 50 millimeters.
4. a kind of self-suction gas-liquid haptoreaction device that sprays according to claim 1, is characterized in that, described reacting gas internal tank can be normal pressure, malleation or negative pressure, and reacting gas internal tank can be for stored-gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854416.0U CN203886516U (en) | 2013-12-24 | 2013-12-24 | Jet self-suction type gas and liquid contact reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854416.0U CN203886516U (en) | 2013-12-24 | 2013-12-24 | Jet self-suction type gas and liquid contact reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886516U true CN203886516U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854416.0U Expired - Lifetime CN203886516U (en) | 2013-12-24 | 2013-12-24 | Jet self-suction type gas and liquid contact reaction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203886516U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499754A (en) * | 2017-09-01 | 2017-12-22 | 漯河市新旺化工有限公司 | A kind of phosphorus trichloride storage tank breathes Flash Gas Compression Skid System |
| CN109484157A (en) * | 2019-01-08 | 2019-03-19 | 重庆交通职业学院 | New-energy automobile dynamical system |
| CN110156580A (en) * | 2019-06-24 | 2019-08-23 | 上海华谊（集团）公司 | The method and apparatus of alkene aldehyde |
| CN110170292A (en) * | 2019-06-24 | 2019-08-27 | 上海华谊（集团）公司 | Hydroformylation process, reaction unit and the reaction system using the device |
-
2013
- 2013-12-24 CN CN201320854416.0U patent/CN203886516U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499754A (en) * | 2017-09-01 | 2017-12-22 | 漯河市新旺化工有限公司 | A kind of phosphorus trichloride storage tank breathes Flash Gas Compression Skid System |
| CN109484157A (en) * | 2019-01-08 | 2019-03-19 | 重庆交通职业学院 | New-energy automobile dynamical system |
| CN109484157B (en) * | 2019-01-08 | 2023-09-12 | 重庆交通职业学院 | New energy automobile driving system |
| CN110156580A (en) * | 2019-06-24 | 2019-08-23 | 上海华谊（集团）公司 | The method and apparatus of alkene aldehyde |
| CN110170292A (en) * | 2019-06-24 | 2019-08-27 | 上海华谊（集团）公司 | Hydroformylation process, reaction unit and the reaction system using the device |
| CN110156580B (en) * | 2019-06-24 | 2024-03-15 | 上海华谊（集团）公司 | Method and apparatus for producing aldehyde from olefin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |