CN110124604A - A kind of more threaded coiler reactors for strong exothermal reaction - Google Patents
A kind of more threaded coiler reactors for strong exothermal reaction Download PDFInfo
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- CN110124604A CN110124604A CN201910459349.4A CN201910459349A CN110124604A CN 110124604 A CN110124604 A CN 110124604A CN 201910459349 A CN201910459349 A CN 201910459349A CN 110124604 A CN110124604 A CN 110124604A
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- threaded
- collet
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 55
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 239000006227 byproduct Substances 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- 239000000376 reactant Substances 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004049 embossing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 241000013987 Colletes Species 0.000 claims 6
- 238000013019 agitation Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
Abstract
The invention discloses a kind of more threaded coiler reactors for strong exothermal reaction, especially for the liquid phase strong exothermal reaction with gas by-product.Reactor mainly includes more spiral shell wave coil reactors, heat exchange stirred tank device and spherical surface mixer；Reactant is premixed in spherical surface mixer, from top to bottom, flow naturally by way of enter coil reactor and react；By adjusting the cold fluid flow of stirred tank collet and the revolving speed of agitating paddle, quickly removes reaction heat, reduces the temperature gradient in kettle.Coil reactor provided by the invention uses the wall structure of more screw threads, the changeable flow pattern for managing interior outer fluid, heat and mass transfer enhancement, the safety for improving reaction process, especially when flow velocity is lower, low turbulent extent can be relieved, the problems such as undercompounding and heat and mass effect are poor.
Description
Technical field
The present invention designs a kind of more threaded coiler reactors for strong exothermal reaction, especially a kind of for gas
More threaded coiler reactors of by-product, liquid phase strong exothermal reaction.
Background technique
Strong exothermal reaction is usually associated with a large amount of side reaction, not only complicated mechanism, but also reaction can discharge biggish heat
Amount, easy " temperature runaway " are out of control.Often containing a large amount of unstable compounds in reaction system, it is inflammable and explosive, decompose after can produce
Raw a large amount of bubble therefore, it is necessary to the concentration for improving the shifting thermal efficiency, controlling reactant, prevents reaction excessively fierce.Pipe reaction
Device has that structure is simple, large specific surface area, controllability are high, measures that low, back-mixing is small online as one of industrial core equipment
Etc. series of advantages.Tubular reactor can effectively control velocity in pipes, avoid reaction excessively fierce.It is too low in velocity in pipes
When, heat transfer, mass transfer, mixing effect will receive influence.
Currently, how to carry out strong exothermal reaction safely, effectively, to have become a difficulty larger, in the urgent need to address
Problem.The characteristics of present invention combination strong exothermal reaction, comprehensively consider the elements such as safety, production efficiency, operation, develops a kind of use
In more threaded coiler reactors of strong exothermal reaction: the reinforcing to realize the processes such as heat and mass, mixing improves reaction process,
Reduce security risk.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of more threaded coiler reactors for strong exothermal reaction.The invention
Have a wide range of application, be easy to operate, it can be achieved that following functions: at relatively low flow rates, the turbulent flow of fluid can be reinforced；Into
When row heat-flash reacts, the safety of heat, raising reaction process can be effectively exchanged；Using from top to bottom, the natural type of flow,
The space of gas by-product flowing is provided, prevents slug flow, while enhancing liquid phase flowing；Reactor uses the company of multistage
It connects, increases exhaust and urgent discharge valve between section, systematic risk can be reduced.
To solve the above problems, the present invention provides a kind of more threaded coiler reactors for strong exothermal reaction, including
More threaded coiler reactors, spherical surface mixer and heat exchange stirred tank；More threaded coiler reactors setting is stirred in heat exchange
In kettle, more threaded coiler reactors provide the place that reaction occurs；The heat exchange stirred tank provides the place of heat exchange；Described
At least one side of spherical surface mixer is spherical crown surface, the concave side of the inlet nozzle face spherical crown surface of spherical surface mixer, and spherical surface is mixed
The outlet nozzle of clutch is connected with more threaded coiler reactors；The head number of more threaded coiler reactors is 2-10 head, outside
Diameter is 10-100mm, groove depth 2-20mm, the outer diameter that lead is 1 times to 10 times；The heat exchange stirred tank is equipped with collet, is used for
Logical cold fluid.
Preferably, more threaded coiler reactors use tortuous external structure, and tortuous diameter is 100-2000mm, screw pitch 1-
5 times of outer diameters.
Preferably, more threaded coiler reactors can be reduced in reactor using segmentation connection, segmentation connection
Material measure online, every section of more threaded coiler reactors be arranged at heat exchange stirred tank in.Using collet flow, rotating speed of agitator
Synergic adjustment, allow in kettle liquid measure is constant, makes Temperature Distribution more evenly.
Preferably, using piping connection between more threaded coiler reactors of multistage connection, on the pipeline between section and section
Device equipped with emergency operation, example exhaust valve and urgent discharge valve.
Preferably, the outside wall surface (105) of more threaded coiler reactors does the coarse processing of embossing.After embossing processing,
It can increase by 30% or so heat exchange area, enhancing heat transfer effect.
Application of the coil reactor in strong exothermal reaction: two strands or multiply reaction mass are injected into mixer,
It hits spherical crown surface and realizes quickly premixing；After premix, reactant flows into more threaded coiler reactions from top to bottom, naturally
Device simultaneously reacts；Heat exchange stirred tank is provided with a large amount of heat-exchange carriers (such as salt water or oil), can quickly remove the heat that reaction is released
Amount.
Preferably, the cold fluid in collet enters collet from the entrance (204) being located at below collet, from above collet
Outlet (205) leave collet, the cold fluid to exchange heat in heat-exchange carrier and collet in stirred tank exchanges heat.
Preferably, exchange heat stirred tank in temperature fluctuation when, by change collet in cold fluid flow and heat exchange stir
The revolving speed of agitating paddle in kettle is mixed to adjust.
Preferably, the strong exothermal reaction is based on liquid phase reactor, has the strong exothermal reaction of gas by-product, such as nitrification,
The reaction such as nitre solution, diazotising.In multi-head spiral pipe reactor, the gas of generation is rapidly disturbed with main fluid, to liquid
Turbulent flow has biggish reinforcing.
The present invention has the advantages that compared with prior art and advantage: 1, using multiple-threaded spiral corrugated coil pipe conduct
Reactor, it can be achieved that heat transfer, mass transfer, transmission reinforcing, and connected, reduced anti-using multistage between more threaded coiler reactors
The material in device is answered to measure online；2, using the top-down natural type of flow, the space of gas flowing is provided, slug flow is prevented
Formation, keep reaction process safer；3, spherical surface mixer use spheric reflection structure, by fluid impact spherical crown surface,
Realize the quick mixing of a plurality of fluids；4, the cold fluid in the reaction system and collet in coil pipe passes through between the heat-exchange carrier in kettle
Heat exchange is connect, when temperature fluctuation is smaller, the revolving speed of adjustable agitating paddle can adjust cold flow when temperature fluctuation is larger simultaneously
The flow of body and the revolving speed of agitating paddle, so that the controllability of reaction temperature is higher, temperature in the kettle is more evenly distributed.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in case study on implementation
Attached drawing is briefly described.It should be evident that following attached drawing is only some embodiments of the present invention, it is common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings, in which:
Fig. 1 is more threaded coiler reactor flow diagrams provided by the present invention for strong exothermal reaction；
Fig. 2 is core reaction device provided by the invention: the structure chart of more threaded coiler reactors；
Fig. 3 is more threaded coiler reactor cross section figures provided by the invention；
Fig. 4 is the tube wall face schematic diagram of more coarse processing of threaded coiler reactor provided by the invention；
Fig. 5 is heat exchange stirred tank+more threaded coilers reactor structural schematic diagram provided by the invention；
Fig. 6 is the front view and left view of spherical surface mixer provided by the invention.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, the technical scheme in the embodiment of the invention is clearly and completely described.Described embodiment is only
A part of the embodiments of the present invention is not whole embodiment.
Claimed hair is not intended to limit to the detailed description of the embodiment of the present invention provided in attached drawing below
Bright range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It is worth noting that, being consistent in equipment identity involved in embodiment and attached drawing.
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail.
First embodiment
Example 1 referring to attached drawing 1, a kind of more threaded coiler reactors for strong exothermal reaction mainly include include more spiral shells
Line coil reactor 1, exchange heat stirred tank 2, spherical surface mixer 3 and valve；More threaded coiler reactors 1 can provide instead
The place that should occur；The heat exchange stirred tank 2 provides the place of fluid heat transfer, can enhanced heat transfer effect by agitating paddle；Institute
The spherical surface mixer 3 stated uses spheric reflection structure, realizes the quick premixing of two strands or a plurality of fluids；The valve can be real
The now functions such as exhaust, urgent discharging.
As shown in Fig. 2, a kind of core of more threaded coiler reactors for strong exothermal reaction is that more threaded coilers are anti-
Answer device 1.According to different reaction characteristics, different structural parameters: number of threads 2-10 item, outer diameter 10-100mm, groove depth may be selected
2-20mm, 1-10 times of lead of outer diameter.Form of coil pipe, including spiral, trombone formula, reducing type etc. can be used in coil reactor
Tortuous: the tortuous diameter 100-2000mm of coil pipe, screw pitch 1 is again to 5 times of calibers.By tortuous external structure, fluid can be made
Centrifugal movement causes Secondary Flow, reinforces transmission, heat transfer, mass transfer, and then improve reaction.
Attached drawing 3 provides two kinds of common more helical bellows sectional views, the section 101 including four threaded coiler reactors
With the section 102 of six threaded coiler reactors.
Attached drawing 4 provides a kind of tube wall face 105 of coarse processing, will increase outside pipe for increasing specific surface area, while not
Flow resistance.
As shown in Fig. 5, more threaded coiler reactors are placed in heat exchange stirred tank 2: reacting fluid is taken from upper
The type of flow under and enters from reactor inlet pipe 201, leaves from outlet 202；Agitating paddle 203 can using promote paddle,
The diversified forms such as four oblique leaf paddles, adjustment revolving speed keep temperature in the kettle distribution more uniform；Cold fluid from be located at collet below entrance
204 enter collet, collet are left from the outlet 205 being located above collet, in the heat-exchange carrier and collet to exchange heat in stirred tank
Cold fluid exchanges heat.Outlet 206 positioned at heat exchange stirred tank lower end can release heat-exchange carrier in kettle.
As shown in Fig. 6, the spherical surface mixer includes reaction solution entrance 301 and 302, reaction solution outlet 303 and ball
Crown 304, two strands of reacting fluids enter spherical surface mixer from nozzle 301, nozzle 302 respectively, hit spherical crown surface 304, realize instead
The premixing of fluid is answered, then enters more threaded coiler reactors from reaction solution outlet 303.
Second embodiment
It uses more threaded coiler reactors to carry out the nitration reaction of energy-containing compound: reacting for strong exothermal reaction, using stirring
Kettle is mixed to exchange heat；When reactor uses four threaded coilers, outer diameter 16mm internal diameter 9mm, lead 35mm, pipe range 5m；Coil pipe is tortuous
Diameter 400mm, screw pitch 20mm, 5 circle of the number of turns；Reaction solution feeding temperature is -10 DEG C, and the temperature of heat-exchange carrier is -16 in stirred tank
℃.In this operating condition, reaction time control is in 15min.The conversion ratio of reactant can reach 90% or more, and product yield is
60% or so.It is compared with the 12mm round tube reactor of same cross-sectional area, yield improves 5 percentage points.
It is aobvious for those skilled in the art although having illustrated and having described a specific embodiment of the invention
And be clear to, can make multiple other without departing from the spirit and scope of the present invention changes and modifies, therefore, herein
Purport covers all these changes and the modification belonged in the scope of the invention in the dependent claims.
It should be appreciated that the embodiment described herein is exemplary only, and those skilled in the art are not departing from this
Variants and modifications are made in the case where the spirit and scope of invention.All these variants and modifications are intended to be included in institute above as above
Within the scope of the present invention stated.In addition, disclosed all embodiments are necessarily the form of selected embodiment, because
Embodiment of the present invention can reach desired effect by combination.
Claims (8)
1. a kind of more threaded coiler reactors for strong exothermal reaction, which is characterized in that including more threaded coiler reactors, change
Thermal agitation kettle and spherical surface mixer etc.；In heat exchange stirred tank, more threaded coilers are anti-for more threaded coiler reactors setting
Device is answered to provide the place of reaction；The heat exchange stirred tank is equipped with collet and agitating paddle, provides the place of heat exchange；The spherical surface
At least one side of mixer is spherical crown surface, the concave side of the inlet nozzle face spherical crown surface of spherical surface mixer, spherical surface mixer
Outlet nozzle be connected with more threaded coiler reactors；The number of threads of more threaded coiler reactors is 2-10, outside section
Cutting diameter of a circle (outer diameter) is 10-100mm, groove depth 2-20mm, the outer diameter that lead is 1-10 times.
2. more threaded coiler reactors according to claim 1 for strong exothermal reaction, which is characterized in that more screw thread disks
Pipe reactor uses tortuous formula external structure, and tortuous diameter is 100-2000mm, the outer diameter that screw pitch is 1-5 times.
3. more threaded coiler reactors according to claim 1 for strong exothermal reaction, which is characterized in that described is more
Threaded coiler reactor using multistage connect, each section be all disposed within heat exchange stirred tank in, between section and section be equipped with exhaust valve and
Urgent discharge valve.
4. being used for more threaded coiler reactors of strong exothermal reaction as described in claim 1, which is characterized in that more spiral shells
The outside wall surface (105) of line coil reactor does the coarse processing of embossing.
5. application of more threaded coiler reactors in strong exothermal reaction described in claim 1, which is characterized in that two strands or multiply
Reaction mass is injected into mixer, hits spherical crown surface and realizes quickly premixing；After premix, reactant is from top to bottom, certainly
It so flows into more threaded coiler reactors and reacts；Heat exchange stirred tank is provided with heat-exchange carrier, puts for removing reaction
Heat out.
6. application according to claim 5, which is characterized in that cold fluid enters from the entrance (204) being located at below collet
Collet leaves collet from the outlet (205) being located above collet, the cold fluid in heat-exchange carrier and collet to exchange heat in stirred tank
It exchanges heat.
7. application according to claim 5, which is characterized in that when reaction process has temperature fluctuation, by adjusting collet
The revolving speed of interior cold fluid flow and agitating paddle, keeps the temperature in kettle more uniform.
8. application according to claim 5, which is characterized in that the strong exothermal reaction is strong with the liquid phase of gas by-product
Exothermic reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459349.4A CN110124604A (en) | 2019-05-29 | 2019-05-29 | A kind of more threaded coiler reactors for strong exothermal reaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459349.4A CN110124604A (en) | 2019-05-29 | 2019-05-29 | A kind of more threaded coiler reactors for strong exothermal reaction |
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| CN110124604A true CN110124604A (en) | 2019-08-16 |
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| CN201910459349.4A Pending CN110124604A (en) | 2019-05-29 | 2019-05-29 | A kind of more threaded coiler reactors for strong exothermal reaction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765645A (en) * | 2019-11-06 | 2020-02-07 | 国网四川省电力公司电力科学研究院 | Design method of built-in coil type compressed air heat exchange system |
| CN112755926A (en) * | 2021-01-05 | 2021-05-07 | 华东理工大学 | Device and method for enhancing liquid-liquid reaction |
| CN113813906A (en) * | 2021-10-13 | 2021-12-21 | 张启志 | Preparation device and preparation method of environment-friendly composite concrete water reducing agent |
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| CN107638818A (en) * | 2017-10-26 | 2018-01-30 | 中冶北方（大连）工程技术有限公司 | Tubular type medicament preparation facilities and method |
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2019
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|---|---|---|---|---|
| CN2463045Y (en) * | 2000-12-15 | 2001-12-05 | 武汉新景化工有限责任公司 | Tubular reactor |
| CN101016250A (en) * | 2007-03-02 | 2007-08-15 | 浙江工业大学 | Method and device for preparing 1-aminoanthraquinone |
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Non-Patent Citations (1)
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| 张德祥等, 煤炭工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765645A (en) * | 2019-11-06 | 2020-02-07 | 国网四川省电力公司电力科学研究院 | Design method of built-in coil type compressed air heat exchange system |
| CN110765645B (en) * | 2019-11-06 | 2023-05-23 | 国网四川省电力公司电力科学研究院 | Design method of built-in coil type compressed air heat exchange system |
| CN112755926A (en) * | 2021-01-05 | 2021-05-07 | 华东理工大学 | Device and method for enhancing liquid-liquid reaction |
| CN113813906A (en) * | 2021-10-13 | 2021-12-21 | 张启志 | Preparation device and preparation method of environment-friendly composite concrete water reducing agent |
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Application publication date: 20190816 |