CN106390881A - Microchannel reactor internal component module for liquid acid alkylation reaction and filling method of microchannel reactor internal component module - Google Patents
Microchannel reactor internal component module for liquid acid alkylation reaction and filling method of microchannel reactor internal component module Download PDFInfo
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- CN106390881A CN106390881A CN201610883138.XA CN201610883138A CN106390881A CN 106390881 A CN106390881 A CN 106390881A CN 201610883138 A CN201610883138 A CN 201610883138A CN 106390881 A CN106390881 A CN 106390881A
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- Prior art keywords
- fiber cloth
- framework
- fiber
- liquid acid
- inner member
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- 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
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
-
- 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
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00788—Three-dimensional assemblies, i.e. the reactor comprising a form other than a stack of plates
- B01J2219/00792—One or more tube-shaped elements
-
- 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
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00801—Means to assemble
- B01J2219/0081—Plurality of modules
- B01J2219/00817—Support structures
-
- 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
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00873—Heat exchange
Abstract
The invention belongs to the field of micro continuous fluid devices, and discloses a microchannel reactor internal component module for a liquid acid alkylation reaction and a filling method of the microchannel reactor internal component module. The internal component module comprises a fiber cloth (1), a framework (2), support ribs (3), penetrating screws (4) and a fiber twister (5). According to the internal component module, the fiber cloth is folded uniformly, then the framework is filled with the folded fiber cloth to form a fiber module to replace a microchannel component, the framework provides a fixed shape for the internal component module, the support ribs and the penetrating screws provide support for the fiber cloth, and the two ends of the fiber cloth are fixed to the framework through the fiber twister; a reactor shell is filled with the fiber module in a completely built mode; the problem that the processing cost of a microchannel reactor is high is effectively solved, and the advantages that the heat and mass transfer speed is high, and the temperature, the pressure and the retention time are convenient to regulate and control are achieved.
Description
Technical field
The invention belongs to micro- continuous fluid devices field, disclose one kind and be used for micro passage reaction inner member and its filling
Method.
Background technology
Micro passage reaction is a kind of novel reactor by means of special micro-processing, has that back-mixing is little, mass transfer passes
The thermal efficiency is high, reaction time and reaction temperature are easy to control, are easy to the features such as amplification.But microchannel difficulty of processing is big, is fabricated to
This height, therefore develops simple microchannel member processing method, and the cost reducing micro passage reaction is to be badly in need of difficulty to be solved
Topic.
CN 105396528 A discloses a kind of micro passage reaction with antiseptic property, this structure of reactor is compact,
Sealing is simple, difficulty of processing is little, heat exchange and reaction efficiency are high, removable, can achieve complete set of equipments miniaturization.CN 105126721
A discloses a kind of non-laminated construction microreactor with cooling system, can carry out disassembly, cleaning and system cooling, effectively prevent micro-
The blocking of reactor microchannel and the hot-spot of microreactor device.CN 102421515 A disclose a kind of liquor charging amount little,
The high microreactor of mixed performance, by the segmentation mixing of fluid at least one times to realize the uniform mixing of fluid with quickly anti-
Should.Disclosed patent is devoted to increasing mixing and the distribution of antiseptic property, raising heat and mass speed and strengthening fluid, not
The processing cost of micro passage reaction can be effectively reduced.
Content of the invention
For the high defect of micro passage reaction cost of manufacture, the invention discloses a kind of be used for liquid acid alkylated reaction
Micro passage reaction inner member module and its packing method, can be precisely controlled reaction temperature, improve mass transfer rate anti-with macroscopic view
Answer speed.Microchannel component has acidproof, decay resistance, can achieve the serialization of efficient, energy-conservation, safety, low-carbon (LC) and environmental protection
Produce.
For solving above-mentioned technical problem, the present invention is realized in.
A kind of micro passage reaction inner member module for liquid acid alkylated reaction, it includes fiber cloth, framework, props up
Support muscle, drift bolt and fiber are twisted with the fingers;Described brace rod is connected with framework activity；Described fiber cloth passes through upright of frame and brace rod is realized
Multilayer folding；Described fiber cloth top and terminal are twisted with the fingers by fiber and are fixedly connected with framework；Described drift bolt passes through fiber cloth.
The cuboid constituting for round steel as a kind of preferred version, framework of the present invention, length is 200～1000 mm,
Width is 200～1000 mm, highly for 200～1000 mm, a diameter of 3～30 mm of round steel.
Further, the present invention arranges some annulus, internal radius in described two parallel below the crossbeams of frame roof
For 3～20 mm, ring interval is 100～500 mm；Described drift bolt end is fixedly connected with annulus.
Further, brace rod of the present invention is round steel or steel wire, and crotch is made at two ends, is mounted in framework non-setting circle
On two crossbeams up and down of ring；A diameter of 2～10 mm of brace rod, length is identical with frame height.
Further, drift bolt of the present invention is made up of round steel or steel wire, and diameter is slightly less than described internal radius, and difference is
2～5 mm, length is identical with frame width；Drift bolt two ends are threaded, and reach is 5～20 mm.
Further, fiber cloth of the present invention is formed by texturized fiber braiding, has fine and close hole shape structure；Skeleton is close
Spend for 0.1～3.0 g/mL, average diameter is 10～240 μm, specific surface area is 0.1～30 m2/g.
The packing method of the above-mentioned micro passage reaction inner member module for liquid acid alkylated reaction, can be walked as following
Suddenly carry out.
A, weigh texturized fiber, be processed into width and frame height identical fiber cloth.
B, twisted with the fingers on a fiber cloth top sewing root post in the frame using fiber, fiber cloth is bypassed successively framework
After opposite column and each brace rod realize multilayer folding, twist with the fingers to sew fiber cloth terminal using fiber and fix.
C, often fold once, drift bolt is passed through this layer of fiber cloth, fold after completing, by locked for drift bolt two ends on framework top
On the annulus of portion's below the crossbeam, and it is uniformly distributed the brace rod on crossbeam.
The present invention above-mentioned fiber cloth thickness preferably 0.5～20 mm.
By changing the filling rate of fibre module, can flexibly regulate and control pressure drop and the residence time of material of course of reaction.If
The saturated vapor pressure of the inert cryogen of iso-butane or injecting reactor is close to the average pressure of reactor, now reactor pressure decrease
Change, can be used for adjusting the evaporating capacity that iso-butane or inertia take thermal medium, control accurate reaction temperature.
Compared with prior art, the present invention has the advantages and positive effects that：Modular fiberfill conduct is used
Microchannel component, reduces the cost of manufacture of micro passage reaction；Reaction mass is realized film with catalyst and is contacted, and improves mass transfer speed
Rate and Global reaction Rate；By changing the filling rate of fibre module, can flexibly regulate and control the pressure drop of course of reaction and material stops
Stay the time, and be precisely controlled reaction temperature.The microchannel construction part module of the present invention has acidproof, decay resistance, can achieve height
The continuous prodution of effect, energy-conservation, safety, low-carbon (LC) and environmental protection.
Brief description
The invention will be further described with reference to the accompanying drawings and detailed description.Protection scope of the present invention not only office
It is limited to the statement of following content.
Fig. 1 is used for the micro passage reaction inner member modular structure schematic diagram of liquid acid alkylated reaction for the present invention.
The micro passage reaction inner member module packing method that Fig. 2 is used for liquid acid alkylated reaction for the present invention is illustrated
Figure.
In figure：1st, fiber cloth；2nd, framework；3rd, brace rod；4th, drift bolt；5th, fiber is twisted with the fingers；6th, reaction zone；7th, dead band.
Specific embodiment
As illustrated, for the micro passage reaction inner member module of liquid acid alkylated reaction, including fiber cloth 1, frame
Frame 2, brace rod 3, drift bolt 4 and fiber twist with the fingers 5;Described brace rod 3 is connected with framework 2 activity；Described fiber cloth 1 is passed through framework 2 and is stood
Post and brace rod 3 realize multilayer folding；Described fiber cloth 1 top and terminal are twisted with the fingers 5 by fiber and are fixedly connected with framework 2；Described
Drift bolt 4 passes through fiber cloth 1.
The cuboid that framework 2 of the present invention is constituted for round steel, length is 200～1000 mm, and width is 200～1000
Mm, highly for 200～1000 mm, a diameter of 3～30 mm of round steel.
The present invention arranges some annulus in the two parallel below the crossbeams in described framework 2 top, and internal radius are 3～20
Mm, ring interval is 100～500 mm；Described drift bolt 4 end is fixedly connected with annulus.
Brace rod 3 of the present invention is round steel or steel wire, and crotch is made at two ends, is mounted in the upper of framework 2 non-setting annulus
On lower two crossbeams；A diameter of 2～10 mm of brace rod 3, length is identical with frame height.
Drift bolt 4 of the present invention is made up of round steel or steel wire, and diameter is slightly less than described internal radius, and difference is 2～5 mm,
Length is identical with frame width；Drift bolt two ends are threaded, and reach is 5～20 mm.
Fiber cloth 1 of the present invention is formed by texturized fiber braiding, has fine and close hole shape structure；Skeletal density is 0.1
～3.0 g/mL, average diameter is 10～240 μm, and specific surface area is 0.1～30 m2/g.
The packing method of the above-mentioned micro passage reaction inner member module for liquid acid alkylated reaction, can be walked as following
Suddenly carry out.
A, weigh texturized fiber, be processed into width and frame height identical fiber cloth 1；Fiber cloth thickness be 0.5～
20 mm.
B, using fiber twist with the fingers 5 by fiber cloth 1 top sew on the root post in framework 2, fiber cloth 1 is bypassed successively
After framework opposite column and each brace rod 3 realize multilayer folding, twist with the fingers 5 using fiber and fiber cloth 1 terminal is sewed fixation.
C, often fold once, drift bolt 4 is passed through this layer of fiber cloth 1, fold after completing, by locked for drift bolt 4 two ends in frame
On annulus below frame 2 top cross-bar, and it is uniformly distributed the brace rod 3 on crossbeam.
Fiber cloth of the present invention is formed by texturized fiber braiding, and fiber can be glass fibre, polyethylene fibre, polypropylene fibre
One or more of dimension, polypropylene fiber, aramid fiber, polyphenylene sulfide fibre or acidproof polyimide fiber.Fiber reinforcement is close
Spend for 0.1～3.0 g/mL, average diameter is 10～240 μm, specific surface area is 0.1～30 m2/g.The fiber cloth of braiding
There is fine and close hole shape structure, corrosion-resistant it is adaptable to there be the chemical reaction that strong acid participates in.Fiber cloth has parent's acid and dredges hydrocarbon performance,
Sorrel can be formed in outer surface, reactant flows outside sorrel, and sour viscosity is relatively large, and reactant viscosity is relatively small, instead
Answer and between thing and acid, there is speed difference, form internal friction between liquid-liquid diphase and realize film contact by thinning for sorrel, increase mass transfer
Area, improves mass-transfer efficiency.Substitute micro-processing technology using fibre module, retain fall while micro passage reaction plurality of advantages
Low manufacturing cost.
The cuboid that framework of the present invention is constituted for round steel, provides fixing contour structures and size for inner member module.Frame
Frame length a is 200～1000 mm, and width b is 200～1000 mm, and height h is 200～1000 mm, constitutes the round steel of framework
A diameter of 3～30 mm.Some annulus are set below frame roof crossbeam CD and crossbeam GH, with hanging drift bolt, internal radius are
3～20 mm, ring interval is 100～500 mm.
Brace rod is made up of round steel or steel wire, provides in framework interior folding process for fiber cloth and supports.Brace rod two ends are done
Become crotch, left side is mounted on crossbeam DH and crossbeam AE, and right side is mounted on crossbeam CG and crossbeam BF, and brace rod is in crossbeam
On can along the direction of frame width slidably.A diameter of 2～10 mm of brace rod, length is identical with framework 2 height h.
Drift bolt is made up of round steel or steel wire, penetrates fiber cloth, prevents fiber cloth from subsiding.Drift bolt diameter is slightly less than frame roof
Internal radius below crossbeam CD and crossbeam GH, difference is 2～5 mm, and length is identical with frame width b.Drift bolt two ends arrange spiral shell
Line, reach is 5～20 mm, and threaded one end connects ailhead, is used for penetrating fiber cloth, other end threaded coupling nut, is used for
By on locked for the drift bolt annulus below crossbeam CD and crossbeam GH.
It is identical with fiber cloth that material twisted with the fingers by fiber, for sewing fiber cloth, will be fixed on the column of framework in fiber cloth two ends
On.Reactor is divided into reaction zone and dead band two parts, principle is turned to reaction zone maximum, professional etiquette is entered to reactor cross-section
Draw, determine the micro passage reaction inner member module size for liquid acid alkylated reaction, and using dividing plate by reaction zone with
Dead band is to be spaced apart.
Fill the requirement of unit weight according to microchannel construction part module, weigh the texturized fiber of constant weight, be processed into width
With frame height h identical fiber cloth, fiber cloth thickness is 0.5～20 mm, is twisted with the fingers using fiber and sews fiber cloth top in frame
On a root post AD in frame, fiber cloth is bypassed opposite column BC, and carry a support on crossbeam DH and crossbeam AE
Muscle, after continuing for fiber cloth to bypass this brace rod, carries another brace rod on crossbeam CG and crossbeam BF over there, presses
Fiber cloth is bypassed successively each brace rod according to identical method and realize multilayer folding.By screw thread, install additional in one end of drift bolt 4
Ailhead, fiber cloth often folds once, advances drift bolt, and whole drift bolts 4 are passed through this layer of fiber cloth, simultaneously by brace rod against one
Rise, whole fiber cloth fold after completing, and unload ailhead, will be locked for drift bolt two ends in frame roof crossbeam CD and horizontal using nut
On annulus below beam GH, twisted with the fingers using fiber simultaneously and fiber cloth terminal is carried out sewing fixation, and be uniformly distributed on crossbeam
Brace rod.The height of different inner member modules must be consistent, but length and width there may be difference.
Reactor bottom arrange gripper shoe, it is anticipated that programme, inner member module is filled in the way of whole block
Enter the reaction zone on reactor gripper shoe, complete to load, constitute micro- after installing top end socket and bottom bulkhead further additional
Channel reactor.
In the reactor of microchannel of the present invention inner member, with sulfuric acid as catalyst, using iso-butane or propane as cryogen
It is alkylated reaction.Concrete reaction condition is shown in Table 1, and reaction result is shown in Table 2.
Comparative example 1 ~ 2.
, using the horizontal mechanical stirred reactor of conventional inside setting refrigeration tube bank, comparative example 2 is using conventional for comparative example 1
Micro passage reaction（Microchannel component is with embodiment 1）, referring to table 1, reaction result is referring to table 2 for reaction condition.
Table 1 embodiment and comparative example alkylated reaction essential condition.
| Embodiment 1 | Comparative example 1 | Comparative example 2 | |
| Alkane alkene mol ratio | 9:1 | 9:1 | 9:1 |
| Sour hydrocarbon volume ratio | 1:1 | 1:1 | 1:1 |
| Reaction temperature, DEG C | 0℃ | 4℃ | 4℃ |
| Reaction pressure, MPa | 0.3 | 0.3 | 0.3 |
| The time of staying, min | 10 | 20 | 20 |
Table 2 embodiment and comparative example alkylated reaction result.
| Embodiment 1 | Comparative example 1 | Comparative example 2 | |
| Butene conversion, mol% | 100 | 100 | 100 |
| Acid consumption, kg acid/t alkylate oil | 43 | 65 | 74 |
| Alkylate oil octane number（Motor method） | 95.4 | 92.7 | 93.1 |
The foregoing is only preferred embodiments of the present invention, not in order to limit the present invention, all spirit in invention
With any modification made within principle, equivalent and improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of micro passage reaction inner member module for liquid acid alkylated reaction is it is characterised in that include fiber cloth
（1）, framework（2）, brace rod（3）, drift bolt（4）And fiber sth. made by twisting（5）;Described brace rod（3）With framework（2）Activity connects；Described
Fiber cloth（1）By framework（2）Column and brace rod（3）Realize multilayer folding；Described fiber cloth（1）Top and terminal pass through fibre
Dimension is twisted with the fingers（5）With framework（2）It is fixedly connected；Described drift bolt（4）Through fiber cloth（1）.
2. the micro passage reaction inner member module for liquid acid alkylated reaction according to claim 1, its feature
It is：Described framework（2）The cuboid constituting for round steel, length is 200～1000 mm, and width is 200～1000 mm, highly
For 200～1000 mm, a diameter of 3～30 mm of round steel.
3. the micro passage reaction inner member module for liquid acid alkylated reaction according to claim 2, its feature
It is：In described framework（2）The parallel below the crossbeam in two, top arranges some annulus, and internal radius are 3～20 mm, annulus
Spacing is 100～500 mm；Described drift bolt（4）End is fixedly connected with annulus.
4. the micro passage reaction inner member module for liquid acid alkylated reaction according to claim 3, its feature
It is：Described brace rod（3）For round steel or steel wire, two ends are made crotch, are mounted in framework（2）Two up and down of non-setting annulus
On crossbeam；Brace rod（3）A diameter of 2～10 mm, length is identical with frame height.
5. the micro passage reaction inner member module for liquid acid alkylated reaction according to claim 4, its feature
It is：Described drift bolt（4）Be made up of round steel or steel wire, diameter is slightly less than described internal radius, difference be 2～5 mm, length with
Frame width is identical；Drift bolt two ends are threaded, and reach is 5～20 mm.
6. the micro passage reaction inner member module for liquid acid alkylated reaction according to claim 5, its feature
It is：Described fiber cloth（1）Formed by texturized fiber braiding, there is fine and close hole shape structure；Skeletal density is 0.1～3.0 g/
ML, average diameter is 10～240 μm, and specific surface area is 0.1～30 m2/g.
7. according to the arbitrary described micro passage reaction inner member module for liquid acid alkylated reaction of claim 3～6
Packing method is it is characterised in that carry out as follows：
A, weigh texturized fiber, be processed into width and frame height identical fiber cloth（1）；
B, using fiber twist with the fingers（5）By fiber cloth（1）Top sews in framework（2）In a root post on, by fiber cloth（1）Successively
Bypass framework opposite column and each brace rod（3）After realizing multilayer folding, twisted with the fingers using fiber（5）By fiber cloth（1）Terminal slot
System is fixed；
C, often fold once, by drift bolt（4）Through this layer of fiber cloth（1）, fold after completing, by drift bolt（4）Two ends locked
Framework（2）On annulus below top cross-bar, and it is uniformly distributed the brace rod on crossbeam（3）.
8. it is used for the filling side of the micro passage reaction inner member module of liquid acid alkylated reaction according to claim 7
Method it is characterised in that：Described fiber cloth thickness is 0.5～20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883138.XA CN106390881B (en) | 2016-10-10 | 2016-10-10 | For the micro passage reaction inner member module and its packing method of liquid acid alkylated reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883138.XA CN106390881B (en) | 2016-10-10 | 2016-10-10 | For the micro passage reaction inner member module and its packing method of liquid acid alkylated reaction |
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| Publication Number | Publication Date |
|---|---|
| CN106390881A true CN106390881A (en) | 2017-02-15 |
| CN106390881B CN106390881B (en) | 2018-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786710A (en) * | 2017-05-02 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of alkylation reactor and alkylation reaction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274146A (en) * | 2007-12-24 | 2008-10-01 | 南京大学 | Diversion trench shaped catalyst orderly filling component in rectifying tower |
| CN103769035A (en) * | 2014-02-13 | 2014-05-07 | 中建安装工程有限公司 | Disk-type spiral self-distribution catalytic distillation structure |
| CN204107073U (en) * | 2014-07-31 | 2015-01-21 | 中国石油天然气股份有限公司 | A kind of catalytic distillation assembly |
| CN204685110U (en) * | 2015-05-11 | 2015-10-07 | 凯瑞环保科技股份有限公司 | A kind of novel plug filler of loading catalyst |
-
2016
- 2016-10-10 CN CN201610883138.XA patent/CN106390881B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274146A (en) * | 2007-12-24 | 2008-10-01 | 南京大学 | Diversion trench shaped catalyst orderly filling component in rectifying tower |
| CN103769035A (en) * | 2014-02-13 | 2014-05-07 | 中建安装工程有限公司 | Disk-type spiral self-distribution catalytic distillation structure |
| CN204107073U (en) * | 2014-07-31 | 2015-01-21 | 中国石油天然气股份有限公司 | A kind of catalytic distillation assembly |
| CN204685110U (en) * | 2015-05-11 | 2015-10-07 | 凯瑞环保科技股份有限公司 | A kind of novel plug filler of loading catalyst |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786710A (en) * | 2017-05-02 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of alkylation reactor and alkylation reaction method |
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| Publication number | Publication date |
|---|---|
| CN106390881B (en) | 2018-07-06 |
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