CN108993343A - A kind of micro passage reaction - Google Patents
A kind of micro passage reaction Download PDFInfo
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- CN108993343A CN108993343A CN201811039937.4A CN201811039937A CN108993343A CN 108993343 A CN108993343 A CN 108993343A CN 201811039937 A CN201811039937 A CN 201811039937A CN 108993343 A CN108993343 A CN 108993343A
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- outer tube
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 239000000376 reactant Substances 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 239000002356 single layer Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 13
- 239000010410 layer Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 230000003321 amplification Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
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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
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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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
- B01J19/0053—Details of the reactor
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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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00873—Heat exchange
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Abstract
The present invention provides a kind of micro passage reaction comprising: inner sleeve and outer tube, outer tube is sheathed on the periphery of inner sleeve, and is provided with holding tank on the inner wall of interior sleeve outer wall and/or the outer tube；Micro passage reaction further includes the plate-inserting structure that can be inserted in holding tank, and inner sleeve and outer tube, the holding tank and the plate-inserting structure limit the circulation passage for reacting fluid flowing jointly；Plate-inserting structure includes the first inserted sheet and the second inserted sheet being stacked, and first inserted sheet include the first flowing groove opened up along the first extending direction, second inserted sheet includes the second flowing groove opened up along the second extending direction, and first extending direction and the second extending direction it is arranged in a crossed manner, enable fluid in the first flowing groove and the second flowing groove alternately flow.The shear action of vertical direction can be strengthened compared to traditional single layer microchannel through the invention, strengthens mixed effect, increases the flow of reaction mass, the industrialized production suitable for big output demand.
Description
Technical field
The invention belongs to micro-reacting tcchnology fields, and in particular to a kind of micro passage reaction.
Background technique
Microreactor is complicated, reaction is violent, heat release or caloric receptivity are big, viscosity is high or the chemical reaction of easily wall built-up provides one
Kind grade channel form, can be changed residence time and tube side quantity, can industrialize amplification to greatest extent, and realize idealization
The micro passage reaction of temperature control.Existing reactor, which mostly uses to carve or process on a plate, has the micro- logical of turbulence structure
Road, but the turbulence structure barrier effect in this microchannel structure because channel, will lead to reaction mass in microreactor
Flow it is smaller, be applicable only to laboratory or small-scale production, it is difficult to the industrialized production applied to larger output demand
In.
Since microchannel plate in the prior art answers heat-exchanger rig there are the flow of reaction mass in microreactor is smaller, only
It can apply to laboratory or small-scale production, it is difficult to applied to the industrialized production secondary technology problem of larger output demand,
Therefore researching and designing of the present invention goes out a kind of micro passage reaction.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming microchannel plate in the prior art that heat-exchanger rig is answered to exist
The flow of reaction mass is smaller, is applicable only to laboratory or small-scale production, it is difficult to the work applied to larger output demand
The defect that industry metaplasia produces, to provide a kind of micro passage reaction.
The present invention provides a kind of micro passage reaction comprising:
Inner sleeve and outer tube, the outer tube are sheathed on the periphery of the inner sleeve, and the inner sleeve pipe outer wall and/
Or holding tank is provided on the inner wall of the outer tube；
The micro passage reaction further includes the plate-inserting structure that can be inserted in the holding tank, the inner sleeve and institute
It states outer tube, the holding tank and the plate-inserting structure and limits the circulation passage flowed for reacting fluid jointly；
The plate-inserting structure includes the first inserted sheet and the second inserted sheet being stacked, and first inserted sheet includes along first
The first flowing groove that extending direction opens up, second inserted sheet include the second flowing groove opened up along the second extending direction, and institute
It states the first extending direction and second extending direction is arranged in a crossed manner, enable the fluid in first flowing groove and described
It is alternately flowed in second flowing groove.
Preferably,
The holding tank extends along the axis direction of the inner sleeve and the outer tube, and the plate-inserting structure is also along institute
The axis direction for stating inner sleeve and the outer tube extends.
Preferably,
The holding tank is the rectangular channel extended along the axis direction of the inner sleeve and the outer tube, the rectangular channel
With the outer wall of the inner sleeve, the outer tube inner wall together with limit rectangular channel.
Preferably,
The holding tank opens up multiple, the plate-inserting structure for the circumferential direction along the inner sleeve and the outer tube
Also it is corresponded for the multiple and holding tank, so that each plate-inserting structure is inserted in each holding tank.
Preferably,
First inserted sheet includes the first support portion and the first extension, and first support portion can be with the holding tank
Edge connection, first extension one end is connected on first support portion, the other end is away from described first
The direction of support part extends；And first extension is multiple and is disposed in parallel relation to one another, to be stretched out two neighboring described first
First flowing groove is formed between portion；And/or
Second inserted sheet include the second support portion and the second extension, second support portion can also with the receiving
The edge of slot connects, and second extension one end is connected on second support portion, the other end is away from described second
The direction of support portion extends；And second extension is multiple and is disposed in parallel relation to one another, to be stretched two neighboring described second
Second flowing groove is formed between portion out.
Preferably,
Interior heat exchanger tube is additionally provided with inside the inner sleeve, on the inner sleeve inside pipe wall, the interior heat exchange pipe outer wall
Heat transferring medium can be allowed by being additionally provided with above and at least one in the position between the inner sleeve and the interior heat exchanger tube
The first heat transferring medium circulation passage being passed through；Alternatively, the inner sleeve is internally provided with that heat transferring medium can be allowed to be passed through
One heat transferring medium circulation passage；
And/or outer heat exchanger tube is also arranged with outside the outer tube, in the housing pipe outer wall, the outer heat exchange
It is additionally provided with and can allow at least one in position on the inner wall of pipe and between the outer tube and the outer heat exchanger tube
The second heat transferring medium circulation passage that heat transferring medium is passed through.
Preferably,
The first heat transferring medium circulation passage is correspondingly arranged with the position of the holding tank, and second heat exchange is situated between
Mass flow circulation passage is correspondingly arranged with the position of the holding tank.
Preferably,
The first heat transferring medium circulation passage is helical duct, and/or, the second heat transferring medium circulation passage is spiral shell
Revolve channel；
Preferably, the first heat transferring medium circulation passage is to be formed in the inner sleeve inside pipe wall, and/or the interior heat exchange
Helical duct in pipe outer wall；And/or the second heat transferring medium circulation passage be formed in the housing pipe outer wall, and/or
Helical duct in the outer heat transfer tube wall.
Preferably,
One end of the axis direction of the inner sleeve and the outer tube is provided with preceding circulation plates, inside the preceding circulation plates
The multiple preceding circulation canals that can be connected to the holding tank are provided with, and are also connected with or are provided with reaction on the preceding circulation plates
Object import and reactant exit, and the reaction-ure inlet is connected to the preceding circulation canal, the reactant exit with it is described
Preceding circulation canal connection；
And/or the other end of the axis direction of the inner sleeve and the outer tube is provided with rear circulation plates, follows after described
Ring flat-plate is internally provided with the multiple rear circulation canals that can be connected to the holding tank.
Preferably,
The preceding circulation canal can also will be distributed over the institute positioned at axis direction in multiple holding tanks in circumferential direction
Two abutting ends connection at one end is stated, the rear circulation canal can also will be distributed in multiple holding tanks in circumferential direction
Two abutting ends connection at the other end of axis direction, is collectively formed the micro- reaction channel successively continuously penetrated through.
A kind of micro passage reaction provided by the invention has the following beneficial effects:
Micro passage reaction of the invention by the way that holding tank is arranged on the inner wall of inner sleeve and/or the inner wall of outer tube,
And plate-inserting structure is set in holding tank, and plate-inserting structure includes more than two inserted sheets, each inserted sheet has an extension
The flowing groove in direction, the extending direction between the flowing groove of different inserted sheets is arranged in a crossed manner, enables reacting fluid from one
It is flow in the flowing groove of inserted sheet in the flowing groove for the inserted sheet that another is stacked, the micro-structure of mixing is generated, compared to biography
The single layer microchannel of system strengthens the shear action of vertical direction, and material is made to enter forced turbulent state quickly, enhances mixing
Effect increases the flow of reaction mass, can be suitable for the industrialized production of larger output demand；Only by increasing microchannel
Quantity amplify, inner passage size constancy, really amplification in parallel.Internal mixing blade inserting structure can arbitrarily more
It changes, it is easy to disassemble, pressure drop and mixing efficiency are adjusted by replacing various sizes of inserted sheet, meets kinds of processes requirement.And
Microchannel dispenser of the invention enables to reaction stream by the multiple holding tanks and plate-inserting structure arranged in pipe circumferential direction
The reaction profile position of body is wider, increases reactive flow path, improves the abundant degree of reaction, improves reaction efficiency；
Microchannel dispenser of the invention is also changed by having in the outer heat exchanger tube and/or inner sleeve inner tube layer of housing outer tube layer
Heat pipe, can carry out internal layer to reactant expects pipe and/or outer layer heat exchange heat exchange, heat exchange efficiency are high；And further by that will change
The passage of heat is set as helical flow path heat exchange, and heat transferring medium flowing speed is fast, and heat exchange efficiency is high, and temperature can be with more precise control.
Meanwhile this equipment of laboratory scale, it can mix, react with other, heat exchange module integrates on one substrate, realization difference
Technique.
Detailed description of the invention
Fig. 1 is the schematic perspective view of micro passage reaction of the invention；
Fig. 2 is internal view of the micro passage reaction along the direction A-A of Fig. 1；
Fig. 3 a is the structural schematic diagram of the first inserted sheet in microchannel dispenser of the invention；
Fig. 3 b is the structural schematic diagram of the second inserted sheet in microchannel dispenser of the invention；
Fig. 3 c is the fit structure schematic diagram of the first inserted sheet and the second inserted sheet in microchannel dispenser of the invention；
Fig. 3 d is the structural schematic diagram of the first replacement embodiment of the first inserted sheet in microchannel dispenser of the invention；
Fig. 3 e is the structural schematic diagram of the first replacement embodiment of the second inserted sheet in microchannel dispenser of the invention；
Fig. 3 f is the first inserted sheet first replacement embodiment and the second inserted sheet first in microchannel dispenser of the invention
Replace the fit structure schematic diagram of embodiment；
Fig. 3 g is the structural schematic diagram of the second replacement embodiment of the first inserted sheet in microchannel dispenser of the invention；
Fig. 3 h is the structural schematic diagram of the second replacement embodiment of the second inserted sheet in microchannel dispenser of the invention；
Fig. 3 i is the first inserted sheet second replacement embodiment and the second inserted sheet second in microchannel dispenser of the invention
Replace the fit structure schematic diagram of embodiment；
Fig. 3 j is the structural schematic diagram of the third replacement embodiment of the first inserted sheet in microchannel dispenser of the invention；
Fig. 3 k is the structural schematic diagram of the third replacement embodiment of the second inserted sheet in microchannel dispenser of the invention；
Fig. 4 is the structural schematic diagram of the right view direction of Fig. 1；
Fig. 5 is the cross-sectional view in the direction B-B in Fig. 4；
Fig. 6 is the positive structure schematic of Fig. 1；
Fig. 7 is the cross-sectional view at 92 position of reaction-ure inlet of Fig. 6；
Fig. 8 is the cross-sectional view in the direction C-C of Fig. 6；
Fig. 9 is the positive structure schematic of the China and foreign countries Fig. 1 heat exchanger tube；
Figure 10 is the cross-sectional view in the direction D-D of Fig. 9；
Figure 11 is the positive structure schematic of interior heat exchanger tube in Fig. 1；
Figure 12 is the cross-sectional view in the direction E-E of Figure 11；
Figure 13 is the front internal structure chart of preceding circulation plates in Fig. 1；
Figure 14 is the front internal structure chart of rear circulation plates in Fig. 1；
Figure 15 a is that (reaction-ure inlet is located at preceding circulation plates relative to the three-dimensional structure diagram of the replacement embodiment in Fig. 6
Upper, reactant exit is located on rear circulation plates)；
Figure 15 b is the positive structure schematic of Figure 15 a.
Appended drawing reference indicates in figure are as follows:
1, inner sleeve；2, outer tube；3, holding tank；4, plate-inserting structure；41, the first inserted sheet；411, the first flowing groove；412,
First support portion；413, the first extension；42, the second inserted sheet；421, the second flowing groove；422, the second support portion；423, second
Extension；5, interior heat exchanger tube；6, outer heat exchanger tube；7, the first heat transferring medium circulation passage；71, the first heat transferring medium entrance；72,
The outlet of one heat transferring medium；8, the second heat transferring medium circulation passage；81, the second heat transferring medium entrance；82, the second heat transferring medium goes out
Mouthful；9, preceding circulation plates；91, preceding circulation canal；92, reaction-ure inlet；93, reactant exit；10, rear circulation plates；101, it is followed after
Ring channel；11, pedestal.
Specific embodiment
As shown in Fig. 1-15b, the present invention provides a kind of micro passage reaction comprising:
Inner sleeve 1 and outer tube 2, the outer tube 2 are sheathed on the periphery of the inner sleeve 1, and outside the inner sleeve 1
Holding tank 3 is provided on the inner wall of wall and/or the outer tube 2；
The micro passage reaction further includes the plate-inserting structure 4 that can be inserted in the holding tank 3, the inner sleeve 1
The circulation passage for reacting fluid flowing is limited jointly with the outer tube 2, the holding tank 3 and the plate-inserting structure 4；
The plate-inserting structure 4 includes that (inserted sheet can be two panels can also for the first inserted sheet 41 for being stacked and the second inserted sheet 42
Multi-disc to be two panels or more is laminated, and inserted sheet can be plain film or arc-like sheet), and first inserted sheet 41 includes extending along first
The first flowing groove 411 that direction opens up, second inserted sheet 42 include the second flowing groove 421 opened up along the second extending direction
(the first extending direction here can be along rectilinear direction or direction of a curve, i.e. the first flowing groove can be straight trough can also
To be curved groove, similarly the second extending direction is also possible to along rectilinear direction or direction of a curve, i.e., the second flowing groove can
To be that straight trough is also possible to curved groove), and first extending direction and second extending direction are arranged in a crossed manner, so that described
Fluid can replace in first flowing groove 411 and second flowing groove 421 to be flowed.That is fluid is from first flowing groove
One end flow to the other end after, enter back into one end of second flowing groove and flow to the other end of second flowing groove, such as
This forms one section in plane flowing of fluid, straight up or is downwardly into another plane again and flows again, formed flat repeatedly
Alternating row stream and flowed vertically.
When needing to clean reactor, inserted sheet can be extracted out from holding tank, clean inserted sheet (at this point, inside and outside
Casing can be to be fixedly connected)；Inner sleeve can also be extracted out out of outer tube, directly to being rinsed to inserted sheet or by inserted sheet
It plucks out and from holding tank, (internal and external casing flexible connection at this time, while the holding tank between internal and external casing are cleaned to inserted sheet
Circumferential two sides can be equipped with sealing device).
Micro passage reaction of the invention by the way that holding tank is arranged on the inner wall of inner sleeve and/or the inner wall of outer tube,
And plate-inserting structure is set in holding tank, and plate-inserting structure includes more than two inserted sheets, each inserted sheet has an extension
The flowing groove in direction, the extending direction between the flowing groove of different inserted sheets is arranged in a crossed manner, enables reacting fluid from one
It is flow in the flowing groove of inserted sheet in the flowing groove for the inserted sheet that another is stacked, the micro-structure of mixing is generated, compared to biography
The single layer microchannel of system strengthens the shear action of vertical direction, and material is made to enter forced turbulent state quickly, enhances mixing
Effect increases the flow of reaction mass, can be suitable for the industrialized production of larger output demand；Only by increasing microchannel
Quantity amplify, inner passage size constancy, really amplification in parallel.Internal mixing blade inserting structure can arbitrarily more
It changes, it is easy to disassemble, pressure drop and mixing efficiency are adjusted by replacing various sizes of inserted sheet, meets kinds of processes requirement.
The present invention is complicated, reaction is violent, heat release or caloric receptivity are big, viscosity is high or the chemical reaction of easily wall built-up provides one kind
The thickness of grade channel form, the first inserted sheet and the second inserted sheet can be 0.5-1mm, and the width of flowing groove 411 can be
0.5-2.5mm.There is provided it is a kind of it is achievable amplification and without obvious enlarge-effect, enlarge-effect refers to that entire receiving can be increased
The sectional area of slot is particularly suitable for heat release or recepts the caloric big without referring to that the size of convection current through slot amplifies, wall built-up or viscous
Thick material, it realizes ideal sectional temperature-controlled microchannel continuous flow reactor, residence time and tube side quantity can be changed, it can be maximum
Limit industrialization amplification, and realize the micro passage reaction of idealization temperature control.
Reaction mass enters after holding tank (i.e. rectangle reactive tank, be not limited to rectangle), along the one of rectangle reactive tank
It holds to the other end and flows, due to the effect of upper and lower two layers of inserted sheet, the herringbone that process fluid is intersected tiltedly is pitched structure and disturbed
Dynamic, in upper and lower two layers of microchannel, continuous bifurcated converges again, and process fluid generates in upper and lower flow process
The speed of vertical direction, makes two fluids produce the effect that vertical direction is mutually sheared again in meet, enhances mixing
And reaction effect.The concentration that the herringbone of inserted sheet is tiltedly pitched will affect pressure drop and mixing efficiency, therefore different technique is wanted
It asks, different inserted sheets can be configured, to meet the requirements.
Preferably,
The holding tank 3 extends along the axis direction of the inner sleeve 1 and the outer tube 2, and the plate-inserting structure 4
Extend along the axis direction of the inner sleeve 1 and the outer tube 2.As shown in Fig. 2, this is the specific knot of holding tank of the invention
Configuration formula can extend to the other end from axial one end between internal and external casing, and the microchannel plate for forming long range is answered.
Preferably,
The holding tank 3 is the rectangular channel extended along the axis direction of the inner sleeve 1 and the outer tube 2, the square
Shape slot and the outer wall of the inner sleeve 1, the outer tube 2 inner wall together with limit rectangular channel.This is receiving of the invention
The further structure type of slot, is set to the rectangular channel axially extended, can preferably with the rectangular configuration of inserted sheet
Match effect (certain present invention is not limited to rectangle, is also possible to other shapes), so that rectangular comb teeth-shaped is inserted
Piece can be embedded just below in the rectangular channel, to form the first flowing groove and the second flowing groove flowed for fluid, other portions
Position not streaming flow.Certainly as other embodiments, holding tank 3 can be flexure type, tooth form, the shape of inserted sheet with
It is mutually matched.
Preferably,
The holding tank 3 opens up multiple, the inserted sheet for the circumferential direction along the inner sleeve 1 and the outer tube 2
Structure 4 also corresponds for the multiple and holding tank 3, so that each plate-inserting structure 4 is inserted in each receiving
In slot 3.Microchannel dispenser of the invention is enabled to by the multiple holding tanks and plate-inserting structure arranged in pipe circumferential direction
The reaction profile position of reacting fluid is wider, increases reactive flow path, improves the abundant degree of reaction, improves reaction effect
Rate has saved the volume of reactor entirety.
The holding tank of circumferential direction of the invention is successively end to end each other, therefore it is very long to form a concatenated distance
Channel, increase the elongated degree of reaction stream, improve reaction efficiency.
Preferably,
As shown in figs 3 a-3 c, first inserted sheet 41 include the first support portion 412 and the first extension 413, described first
Support portion 412 can be connect with the edge of the holding tank 3, and described first extension, 413 one end is connected to first support
In portion 412, the other end away from first support portion 412 direction extend；And first extension 413 be it is multiple,
And be disposed in parallel relation to one another, to form first flowing groove 411 between two neighboring first extension 413；And/or
Second inserted sheet 42 includes the second support portion 422 and the second extension 423, and second support portion 422 can
Also it is connect with the edge of the holding tank 3, described second extension, 423 one end is connected on second support portion 422, is another
The direction away from second support portion 422 is held to extend；And second extension 423 is multiple and parallel to each other sets
It sets, to form second flowing groove 421 between two neighboring second extension 423.
This is the specific constructive form of the first inserted sheet and the second inserted sheet of the invention, that is, be set to include support portion and
The outwardly extending extension from support portion, to form the structure (be similar to comb) of comb teeth-shaped, adjacent extension it
Between form the flowing groove that flows for fluid, and two inserted sheets are stacked on top of each other, due to prolonging for the first extension and the second extension
Stretch direction it is not parallel, to be arranged in a crossed manner, therefore fluid flow passageway is separated into after the flowing of the first flowing groove upward or downward
Into the flowing of the second flowing groove and then enter back into the first flowing groove, thus it is all and reciprocal, increase fluid flow turbulence degree,
Increase the flowing and shear action of vertical direction, to increase the flow of fluid flowing, improves reaction efficiency.
The structure of first inserted sheet and the second inserted sheet is not limited solely to the form of Fig. 3 a-3c, further includes being showed in Fig. 3 d-3k
Multiple structural forms out, for example, extension can for linear type, be also possible to bent, the length of extension can it is equal,
Can not also etc. mode of texturing.
Microchannel dispenser of the invention, i.e. blade inserting high pressure micro passage reaction include: reaction-ure inlet 92) pedestal
11, reactant exit 93, preceding circulation plates 9, outer tube 2, inner sleeve 1, plate-inserting structure 4, interior heat exchanger tube 5, outer heat exchanger tube 6.
Preferably, rectangular channel is machined between outer tube and inner sleeve；When only in the upper processing of one of outer tube and inner sleeve
Rectangular channel is machined with the plane matched with rectangular channel other on outer tube or inner sleeve.The two passes through interference fit group
Rectangular channel, baffling inserted sheet are inserted in rectangular channel.It is machined with rectangular channel on outer tube, is machined on inner sleeve and rectangular channel
The plane matched, the two are inserted in rectangular channel by interference fit composition rectangular channel, baffling inserted sheet.
The quantity of rectangular channel is at least 1, is configured according to the thickness of pipe fitting.
Preferably,
Interior heat exchanger tube 5 is additionally provided with inside the inner sleeve 1, on 1 inner wall of inner sleeve, the interior heat exchanger tube 5
Being additionally provided at least one in position on outer wall and between the inner sleeve 1 and the interior heat exchanger tube 5 can allow to change
The first heat transferring medium circulation passage 7 that thermal medium is passed through；Heat exchange can be allowed to be situated between alternatively, the inner sleeve (1) is internally provided with
(this scheme does not have interior heat exchanger tube to the first heat transferring medium circulation passage that matter is passed through, and the first heat transferring medium circulation passage is formed in interior
Inside pipe casing is not shown in the figure)；
And/or outer heat exchanger tube 6 is also arranged with outside the outer tube 2, on 2 outer wall of outer tube, described outer change
Energy is additionally provided at least one in position on the inner wall of heat pipe 6 and between the outer tube 2 and the outer heat exchanger tube 6
Enough allow the second heat transferring medium circulation passage 8 that heat transferring medium is passed through.
Microchannel dispenser of the invention is also by there is the interior heat exchange of the outer heat exchanger tube of housing outer tube layer and inner sleeve inner tube layer
Pipe or only inside inner sleeve, can carry out inside and outside two layers of heat exchange heat exchange, heat exchange efficiency height to reactant expects pipe；And further lead to
It crosses and sets helical flow path heat exchange for heat exchanger channels, heat transferring medium flowing speed is fast, and heat exchange efficiency is high, and temperature can be more accurate
Control.Meanwhile this equipment of laboratory scale, it can mix, react with other, heat exchange module integrates on one substrate, reality
Existing different technique.
Outer tube member includes outer tube and outer heat exchanger tube, and outer heat exchanger tube is sheathed on outside outer tube.Outer tube and outer heat exchanger tube
Between, heat exchanger channels are equipped in the position of corresponding rectangular channel, heat exchanger channels can be and process between outer tube and outer heat exchanger tube
It exchanges heat for the heat transferring medium that circulates to reaction at gap.Preferably, it is equipped with turbulence structure in heat exchanger channels, can be improved
Heat transfer effect.
Interior pipe fitting includes inner sleeve and interior heat exchanger tube, and interior heat exchanger tube is sheathed on inside inner sleeve.Inner sleeve and interior heat exchanger tube
Between, heat exchanger channels are equipped in the position of corresponding rectangular channel, heat exchanger channels can be and process between inner sleeve and interior heat exchanger tube
It exchanges heat for the heat transferring medium that circulates to reaction at gap.Preferably, turbulence structure, flow-disturbing knot are equipped in heat exchanger channels
Structure can be helical duct, or the protrusion that inner wall or outer wall are equipped with can be improved heat transfer effect.
Preferably,
The first heat transferring medium circulation passage 7 is correspondingly arranged with the position of the holding tank 3, second heat exchange
It (can certainly not exclusively be oppositely disposed or not that flow of media channel 8 is correspondingly arranged with the position of the holding tank 3
It is oppositely disposed, can also play the role of corresponding heat exchange, be intended only as preferably more preferable to meeting when corresponding to).In this way
It can effectively guarantee that the position that the first heat transferring medium flows through can form heat exchange between the reacting fluid in holding tank, to it
Carry out heat exchange cooling or heating heating, also can effectively guarantee position that the second heat transferring medium flows through can in holding tank
Heat exchange is formed between reacting fluid, and heat exchange cooling or heating heating are carried out to it, improves heat transfer effect.
Preferably,
The first heat transferring medium circulation passage 7 is helical duct, and/or, the second heat transferring medium circulation passage 8 is
Helical duct；
Preferably, the first heat transferring medium circulation passage 7 be formed in 1 inner wall of inner sleeve, and/or it is described in change
Helical duct on 5 outer wall of heat pipe；The second heat transferring medium circulation passage 8 be formed in 2 outer wall of outer tube, and/or
Helical duct on 6 inner wall of outer heat exchanger tube.This is the first heat transferring medium circulation passage and the second heat transferring medium of the invention
The preferred constructive form of circulation passage, is set to helical duct, can circumferential and axial direction to pipeline equably into
Row heat exchange effect, to increase the heat transfer effect between reacting fluid.
Helical duct is preferably the helicla flute processed on outer tube wall or outer wall of inner tube, preferably processing in outer wall,
Facilitate processing on outer wall.
The set-up mode of helical duct can also be equipped on the outside of flow-disturbing silk to be wound with flow-disturbing silk in heat exchange pipe outer wall inside
Inner sleeve, it is preferred that inner sleeve inside pipe wall is contacted with flow-disturbing silk radially outer edge and is bonded.And/or flow-disturbing is wound in housing pipe outer wall
Silk, flow-disturbing silk outside are equipped with outer heat exchanger tube, it is preferred that inner sleeve inside pipe wall is contacted with flow-disturbing silk radially outer edge and is bonded.
Preferably,
One end of the axis direction of the inner sleeve 1 and the outer tube 2 is provided with preceding circulation plates 9, the preceding circulation plates 9
It is internally provided with the preceding circulation canal 91 that can be connected to the holding tank 3, and is additionally provided with reactant on the preceding circulation plates 9
Import 92 and reactant exit 93, and the reaction-ure inlet is connected to the preceding circulation canal 91, the reactant exit 93
It is connected to the preceding circulation canal 91；
And/or the other end of the axis direction of the inner sleeve 1 and the outer tube 2 is provided with rear circulation plates 10, it is described
Circulation plates 10 are internally provided with the rear circulation canal 101 that can be connected to the holding tank 3 afterwards.
Reaction-ure inlet is capable of forming by the setting of preceding circulation plates, reacting fluid is entered in reactive flow channel,
And it forms reactant exit, make the reacting fluid for completing to react outflow microreactor, and also there is preceding circulation canal 91,
Preceding circulation canal 91 can connect two adjacent holding tanks, make the reaction flowed out after reacting in a upper micro- reaction channel
Fluid enters back into next micro- reaction channel by preceding circulation canal 91, thus be in turn connected to form one it is longer micro- anti-
Answer channel, rear circulation canal is used to connect two adjacent micro- reaction channels of the other end, make its with preceding circulation canal 91 together
A very long complete reaction channel is collectively formed, increases response path, improves reaction efficiency.
As the embodiment of replacement, reactant entrance can also be on preceding circulation plates, and reactant exit setting follows after
On ring flat-plate, as shown in Figure 15 a-15b, naturally it is also possible to reactant entrance is arranged on rear circulation plates, reactant exit is arranged
On preceding circulation plates, it is not limited to above-mentioned set-up mode.Can there are multiple reactant entrances and multiple reactant exits.It can
To be equipped with more than two reaction-ure inlets 92 (charging for different material).It is detailed in Fig. 7.
A reaction-ure inlet 92 can also be equipped with (at this point, the reaction-ure inlet 92 connection is equipped with pre-mixing apparatus, for more
It is entered in reactor after the mixing of kind material by reaction-ure inlet 92.)
Preferably,
The preceding circulation canal 91, which can also will be distributed in multiple holding tanks 3 in circumferential direction, is located at axis direction
Two abutting ends connection at described one end, the rear circulation canal 101 can also will be distributed over multiple receivings in circumferential direction
Two abutting ends connection at the other end of axis direction in slot 3, be collectively formed successively continuously penetrate through it is micro- anti-
Answer channel.
Preceding circulation plates are sealed with rear circulation plates and outer tube member by O-ring, and the both ends of outer tube member are bolted to
On flange.It being machined with circulating slot on preceding circulation plates and rear circulation plates, being connected by circulation for will be distributed over rectangular channel on circumference, is formed
The channel continuously penetrated through.
Reaction-ure inlet, pedestal, reactant exit are connected with preceding circulation plates, and reactant is flowed by reaction-ure inlet
In preceding circulation plates, preceding circulation plates are connected with annular rectangular channel circulate after flowed out through reactant exit.
Reaction mass enters after rectangle reactive tank, along rectangle reactive tank one end to the other end flow, due to it is upper,
The effect of lower two layers of inserted sheet, the herringbone that process fluid is intersected tiltedly pitch structural perturbation, upper and lower two layers of microchannel
Interior, continuous bifurcated converges again, and process fluid produces the speed of vertical direction in upper and lower flow process, makes two strands
Fluid produces the effect that vertical direction is mutually sheared in meet again, enhances mixing and reaction effect.The herringbone of inserted sheet
The concentration tiltedly pitched will affect pressure drop and mixing efficiency, therefore different technique requirements, can configure different inserted sheets, come
It meets the requirements.
Primary structure point of the invention:
(1) outer tube is round tube, rectangular channel is processed in the structure of round tube, inner sleeve is round tube, in the structure of round tube
Plane is processed, is cooperatively connected between outer tube and inner sleeve and is combined into rectangular channel, can satisfy higher reaction pressure requirement.
(2) also there is outer heat exchanger tube outside outer tube, heat transferring medium exchanges heat (heat exchanger channels are screw type) by outer heat exchanger tube,
Due to being fitted close between outer heat exchanger tube and outer tube, the appearance face contact of heat transferring medium and reaction channel, heat transferring medium heat exchange
High-efficient, temperature can be controlled accurately.Also there is interior heat exchanger tube, heat transferring medium and reaction channel outer surface inside inner sleeve
Contact, heat transferring medium heat exchange efficiency is high, and temperature can be controlled accurately.
This blade inserting high pressure microreactor of the invention generates the micro- of mixing by being inserted into millimetre-sized microchannel inserted sheet
Structure makes material enter forced turbulent shape quickly compared to the shear action that traditional single layer microchannel strengthens vertical direction
State enhances mixed effect.There is no apparent enlarge-effect, is only amplified by increasing the quantity of microchannel, inner passage
Size constancy, really amplification in parallel.Internal mixing blade inserting structure can be replaced arbitrarily, easy to disassemble, different by replacement
The inserted sheet of size adjusts pressure drop and mixing efficiency, meets kinds of processes requirement.
The structure type has outer layer and the heat exchange of internal layer helical flow path, and heat transferring medium flowing speed is fast, and heat exchange efficiency is high, temperature
It can be with more precise control.Meanwhile this equipment of laboratory scale, it can mix, react with other, heat exchange module is integrated in one
On a substrate, different technique is realized.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With
It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (10)
1. a kind of micro passage reaction, it is characterised in that: include:
Inner sleeve (1) and outer tube (2), the outer tube (2) are sheathed on the periphery of the inner sleeve (1), and in the inner sleeve
Holding tank (3) are provided on the inner wall of pipe (1) outer wall and/or the outer tube (2)；
The micro passage reaction further includes the plate-inserting structure (4) that can be inserted in the holding tank (3), the inner sleeve
(1) and the outer tube (2), the holding tank (3) and the plate-inserting structure (4) limit the stream for reacting fluid flowing jointly
Circulation passage；
The plate-inserting structure (4) includes the first inserted sheet (41) and the second inserted sheet (42) being stacked, and first inserted sheet
It (41) include the first flowing groove (411) opened up along the first extending direction, second inserted sheet (42) includes along the second extension side
To the second flowing groove (421) opened up, and first extending direction and second extending direction are arranged in a crossed manner, so that described
Fluid can alternately flow in first flowing groove (411) and second flowing groove (421).
2. micro passage reaction according to claim 1, it is characterised in that:
The holding tank (3) extends along the axis direction of the inner sleeve (1) and the outer tube (2), and the plate-inserting structure
(4) also extend along the axis direction of the inner sleeve (1) and the outer tube (2).
3. micro passage reaction according to claim 2, it is characterised in that:
The holding tank (3) is the rectangular channel extended along the axis direction of the inner sleeve (1) and the outer tube (2), described
Rectangular channel and the outer wall of the inner sleeve (1), the outer tube (2) inner wall together with limit rectangular channel.
4. micro passage reaction according to any one of claim 1-3, it is characterised in that:
The holding tank (3) be along the inner sleeve (1) and the outer tube (2) circumferential direction open up it is multiple, it is described slotting
Chip architecture (4) also for it is multiple, with the holding tank (3) correspond so that each plate-inserting structure (4) be inserted in it is each
In the holding tank (3).
5. micro passage reaction described in any one of -4 according to claim 1, it is characterised in that:
First inserted sheet (41) includes the first support portion (412) and the first extension (413), first support portion (412)
It can be connect with the edge of the holding tank (3), described first extension (413) one end is connected to first support portion
(412) on, the other end away from first support portion (412) direction extend；And first extension (413) is more
It is a and be disposed in parallel relation to one another, to form first flowing groove (411) between two neighboring first extension (413)；
And/or
Second inserted sheet (42) includes the second support portion (422) and the second extension (423), second support portion (422)
It can also be connect with the edge of the holding tank (3), described second extension (423) one end is connected to second support portion
(422) on, the other end away from second support portion (422) direction extend；And second extension (423) is more
It is a and be disposed in parallel relation to one another, to form second flowing groove (421) between two neighboring second extension (423).
6. micro passage reaction according to any one of claims 1-5, it is characterised in that:
Interior heat exchanger tube (5) are additionally provided with inside the inner sleeve (1), on the inner sleeve (1) inner wall, the interior heat exchanger tube
(5) being additionally provided at least one in the position on outer wall and between the inner sleeve (1) and the interior heat exchanger tube (5) can
Allow the first heat transferring medium circulation passage (7) that heat transferring medium is passed through；Alternatively, the inner sleeve (1) is internally provided with and can hold
Perhaps the first heat transferring medium circulation passage that heat transferring medium is passed through；
And/or outer heat exchanger tube (6) are also arranged with outside the outer tube (2), on the outer tube (2) outer wall, described outer
At at least one in position on the inner wall of heat exchanger tube (6) and between the outer tube (2) and the outer heat exchanger tube (6) also
It is provided with the second heat transferring medium circulation passage (8) that heat transferring medium can be allowed to be passed through.
7. micro passage reaction according to claim 6, it is characterised in that:
The first heat transferring medium circulation passage (7) and the position of the holding tank (3) are oppositely disposed, and second heat exchange is situated between
Mass flow circulation passage (8) and the position of the holding tank (3) are oppositely disposed.
8. micro passage reaction according to claim 6, it is characterised in that:
The first heat transferring medium circulation passage (7) is helical duct, and/or, the second heat transferring medium circulation passage (8) is
Helical duct；
Preferably, the first heat transferring medium circulation passage (7) be formed in the inner sleeve (1) inner wall, and/or it is described in change
Helical duct on heat pipe (5) outer wall；
And/or the second heat transferring medium circulation passage (8) is to be formed in the outer tube (2) outer wall, and/or described outer change
Helical duct on heat pipe (6) inner wall.
9. micro passage reaction according to claim 1 to 8, it is characterised in that:
One end of the axis direction of the inner sleeve (1) and the outer tube (2) is provided with preceding circulation plates (9), is recycled before described
Plate (9) is internally provided with the preceding circulation canal (91) that can be connected to the holding tank (3), and on the preceding circulation plates (9) also
Connect or be provided with reaction-ure inlet (92) and reactant exit (93), and the reaction-ure inlet and the preceding circulation canal
(91) it is connected to, the reactant exit (93) is connected to the preceding circulation canal (91)；
And/or the other end of the axis direction of the inner sleeve (1) and the outer tube (2) is provided with rear circulation plates (10), institute
It states rear circulation plates (10) and is internally provided with the rear circulation canal (101) that can be connected to the holding tank (3).
10. micro passage reaction according to claim 9, it is characterised in that:
The preceding circulation canal (91), which can also will be distributed in multiple holding tanks (3) in circumferential direction, is located at axis direction
Two abutting ends connection at described one end, the rear circulation canal (101) can also will be distributed over multiple appearances in circumferential direction
Two abutting ends connection at the other end of axis direction for receiving in slot (3) is collectively formed and successively continuously penetrates through
Micro- reaction channel.
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| CN201811039937.4A CN108993343B (en) | 2018-09-06 | 2018-09-06 | Microchannel reactor |
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|---|---|---|---|
| CN201811039937.4A CN108993343B (en) | 2018-09-06 | 2018-09-06 | Microchannel reactor |
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| CN109925991A (en) * | 2019-04-19 | 2019-06-25 | 山东豪迈化工技术有限公司 | Micro passage reaction |
| CN110404490A (en) * | 2019-07-31 | 2019-11-05 | 山东豪迈机械制造有限公司 | A kind of layering mixing microreactor |
| CN110433682A (en) * | 2019-08-30 | 2019-11-12 | 欧志安 | A kind of pressurized fluid mixing arrangement |
| CN110893328A (en) * | 2019-11-28 | 2020-03-20 | 上海弗鲁克科技发展有限公司 | High-shear mixer for enhanced mixing of hole array micro-sleeve |
| CN111250011A (en) * | 2020-03-11 | 2020-06-09 | 成都马儿冲智玻科技有限公司 | Microchannel chemical reactor with heat exchanger and catalyst support |
| CN113203302A (en) * | 2020-12-03 | 2021-08-03 | 山东大学 | Micro-channel heat exchange device for enhancing mixing of two micro-fluids |
| CN113522195A (en) * | 2019-06-06 | 2021-10-22 | 福建齐衡科技有限公司 | Inserted sheet formula microchannel continuous reactor convenient to change catalyst |
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