CN105126720B - Constant flow pump micro-channel reaction unit device - Google Patents
Constant flow pump micro-channel reaction unit device Download PDFInfo
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- CN105126720B CN105126720B CN201510536924.8A CN201510536924A CN105126720B CN 105126720 B CN105126720 B CN 105126720B CN 201510536924 A CN201510536924 A CN 201510536924A CN 105126720 B CN105126720 B CN 105126720B
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Abstract
The invention discloses a constant flow pump micro-channel reaction unit device and belongs to the technical field of micro-channel reaction equipment. The device comprises a feeding device, mixers, constant flow pumps, micro-reactors and an after-treatment device which are connected in sequence, each mixer comprises a tank body, a stirring shaft driven by an electric motor is rotatably installed on each tank body, multiple layers of blades are vertically arranged on each stirring shaft, multiple feeding ports corresponding to the feeding device are formed in the lower portion of each tank body, and a discharging port is formed in the upper portion of each tank body; each constant flow pump comprises a pump body, two pressure chambers are formed in each pump body, a plunger is slidably installed in each pressure chamber, each plunger is connected with a servo motor through a cam, and the servo motors are connected with a control unit through pulse eliminators. By means of the constant flow pump micro-channel reaction unit device, the technical problems that in existing micro-channel reaction units, solid particles are prone to blocking micro-channels and affecting normal use of micro-channel reactors are solved, and the device can be widely applied to chemical production.
Description
Technical field
The present invention relates to a kind of microreactor, more particularly relate to a kind of constant flow pump microchannel reaction set,
Belong to microchannel reaction equipment technical field.
Background technology
Micro passage reaction is also referred to as microreactor, is that a kind of characteristic size utilizing precision processing technology to manufacture exists
The duct type microreactor of a kind of continuous flowing between 10 to 300 microns (or 1000 microns).Micro-instead
Answer the passage of device in micron level, a microreactor can include millions of minitype channel,
Every passage can independently produce, and the most also realizes the highest yield.
Microreaction technology causes pay close attention to more and more widely due to its successful Application in chemical industry.
It includes the blender required for chemical unit, heat exchanger, reactor, controller etc., and microreactor has pole
Big specific surface area, the basic advantage thus brought is great heat exchange efficiency and mixing efficiency.In other words,
Can accurately control reaction temperature and reaction mass by the instantaneous mixing of accurate proportioning, these be all improve yield,
Selectivity, safety, and improve the key factor of product quality.
Microreactor equipment can be subdivided into micro-mixer according to its main uses or function, micro-heat exchanger and micro-
Reactor.The micro structure internal due to it makes microreactor equipment have great specific surface area, up to stirring
Mix the most thousands of times of the hundred times of still specific surface area.Microreactor has fabulous heat transfer and mass transfer ability, can
Uniformly mix and conduct heat efficiently realizing the moment of material.Just because of microreactor equipment advantage so
And feature, it is possible to achieve many reactions that cannot realize in conventional reactor.
Up to now, people have carried out substantial amounts of further investigation for microreactor, achieve many technology
Really, such as:
WO20035084795A discloses a kind of microchannel polymerization reactor, comprising: (a) is suitable for holding
Carry the first microchannel of reactant stream；B () is suitable for the stream that carrying connects with described first micro channel heat
The fluid line of body；(c) static mixer connected with described first microchannel fluid, this static state is mixed
Clutch is adapted to provide for effectively changing cross section fluid flow profile along the predetermined point of described first microchannel
And do not change the mixed zone of the principal direction of the reactant stream by described first microchannel.
CN101143310A discloses a kind of micro-via type chemical heat pump reactor, including housing, outside housing
Wall upper end is provided with heat exchanging fluid outlet, and reactor includes inner core and urceolus, is formed and accommodate heat exchange between inner/outer tube
The interlayer of fluid.Housing bottom is provided with filter screen, weight orchid dish.Hydride powder body is filled, in reaction bed in housing
Full sealed annular microchannel is set, in microchannel, irrigates high efficient heat exchanging fluid.Gas enters reaction through filter screen
In device, react with hydride powder body, reaction heat in microchannel fluid tape loop to reactor inner tube wall
Place, takes away through heat exchanging fluid.Reach quick, the purpose of high efficient heat exchanging.It has compact equipment, anti-
Answer the features such as thing loadings is big, heat transfer efficiency is high, operating flexibility is big, regulation and control are convenient.
CN101433815A discloses a kind of membrane dispersion type micro-channel reactor, by an outer tube and an inner tube
Forming sleeves, forms annular microchannel between inner and outer pipe, and outer tube is provided with fluid inlet and outlet, interior
On pipe, one end is provided with fluid inlet, the other end along tube wall circumference for microporous microporous membrane is distributed.With commonly
Micro passage reaction compare, the sectional area of described channel of reactor increases, and treating capacity increases.Enhance stream
Mixing between body and mass transfer.While reaching high throughput, also ensure that stronger microcosmic mixing.Special
It not in synthesis nano-particle, achieve the mixing of quick microcosmic, synthesized the barium sulfate that mean diameter is 37nm
Granule, described reactor is simple to operate, and operating cost is low, and treating capacity is big, is relating to the work of Fast Process
Industry has the biggest application prospect in producing.
WO2007139336A discloses a kind of channel reactor system, and this system has and carries out heat release wherein
The first passage board component of reaction has with being provided for heat exchange and being monolithically fabricated with first passage board component
The second channel board component that effect is reduced phlegm and internal heat, this channel reactor system includes that at least two introduces reacting gas respectively
With cooling fluid channel unit, each channel unit include introduce reacting gas reaction channel board component and
Introduce the hot switching path board component of cooling fluid；With at least one is arranged between upper and lower channel unit
Intermediate plate, this intermediate plate provides new reaction gas to the reactant flowed into from upper channel unit and cooling fluid respectively
Reaction channel board component and the hot switching path board component of body and cooling fluid and downwards channel unit provide anti-
Answer gas and cooling fluid.
CN101733056A discloses a kind of impinging stream micro-channel reactor, is carved with at least two on plate material
The equivalent hydraufic diameter that bar coaxially or the most in opposite directions clashes is the microchannel of 0.1-2mm, and logical in head-on collision
Road intermediate formation width (or impinging distance) is the impingement region of 0.5-10mm.Microchannel can be distributed with parallel array,
It is communicated to two entrances with step branch configurations.Can be with individual chip package, or by some chips heap in order
Folded, it is pressed into the impinging stream micro-channel reactor with at most four charging apertures.Described percussion flow microreactor
It is applicable to course of reaction or reaction precipitation process that moment completes, as generated liquid or solid (superfine powder or receive
Rice material etc.) solution-air and liquid-liquid fast reaction.It is equal that micro channel array form achieves impingement region reaction height
Even property, solves and thinks that impact flow reactor is difficult to arrange multilevel system (mutually doing between multipair percussion flow in the past
Disturb) problem.
CN101920183A discloses a kind of micro passage reaction；Combined by modules A and module B make-up；Mould
Block A is exported parallel by fluid A intake channel, fluid A dispensed in parallel passage, mixing fluid channel, compound
Distribution passage, two compound exit passageways are constituted；Module B is logical by fluid B intake channel, fluid B distribution
Road and fluid B surge chamber are constituted；Wherein fluid A intake channel and fluid A dispensed in parallel channel connection, fluid A
Dispensed in parallel passage connects with mixing fluid channel, mixing fluid channel and compound outlet dispensed in parallel passage
Connection, compound outlet dispensed in parallel passage and two compound exit passageway connections；Fluid B intake channel and
Fluid B distributes channel connection, and fluid B distribution passage connects with fluid B surge chamber, fluid B surge chamber and stream
Body hybrid channel connects；Can be applicable to mix between two fluids numerous association areas of mass transfer, simple in construction, behaviour
Facilitate, there is through engineering approaches and run the feature of overall good mixing effect.
WO2010075259A discloses a kind of micro passage reaction (1), it include microchannel shell (20) and
Being arranged on the upper microstructure (10) on described microchannel shell (20), described microchannel shell (20) includes setting
Putting the multiple passages (23) for gravity auxiliary charging, described upper microstructure (10) includes gas feed circuit
(40), liquid feedstock circuit (50) and at least one hybrid chamber (60), wherein: described microchannel shell (20)
Including at least one reaction path (22)；Described hybrid chamber (60) is in fluid communication with described reaction path (22)；Institute
Stating gas feed circuit (40) and include at least one gas feed entrance (41), this entrance can operate, will
Gas feed is transported to described hybrid chamber；And described liquid feedstock circuit (50) includes at least one liquid feedstock
Entrance (51) and adjacent with described hybrid chamber (60) and with described at least one liquid feed inlet (51) fluid even
Logical at least one liquid reservoir (52), described liquid reservoir (52) can operate, and is carried by liquid feedstock
In hybrid chamber (60).
CN103182278A discloses a kind of membrane module for microchannel membrane dispersion reaction unit, including: extremely
A few membrane tube, described membrane tube two ends are each passed through continuous phase inlet baffle plate and continuous phase liquid outlet baffle plate,
And be connected with continuous phase inlet baffle plate and continuous phase liquid outlet guard seal；It is externally provided with overcoat, institute in membrane tube
The overcoat stated is connected with continuous phase inlet baffle plate and continuous phase liquid outlet guard seal；Described overcoat and company
Continuous phase inlet baffle plate, continuous phase liquid outlet baffle plate are formed and are enclosed in the dispersion phase cavity outside described membrane tube；
Described outer putting is provided with dispersion phase inlet, is respectively equipped with continuously through inlet baffle plate and liquid outlet baffle plate
The inlet of phase and liquid outlet；The internal center position of described membrane tube is provided with a separatory post, and separatory post leans on
One end of nearly inlet baffle plate is cone, and the other end of separatory post is fixing with liquid outlet baffle plate to be connected；Separatory
It is ring-type microchannel that post and membrane tube form cross section.
CN103301796A discloses a kind of micro passage reaction, including reative cell, ascending pipe and outlet tube,
Reative cell is provided with input hybrid chamber, the output hybrid chamber being connected respectively, reaction with ascending pipe, outlet tube
Room includes substrate and cover plate, and substrate is provided with connection input hybrid chamber and exports hybrid chamber, upper end open
Reaction channel, gathers in reaction channel and is arranged with microfilament or microsphere, reaction channel coordinate microfilament with cover plate or
Microsphere compresses, and forms microchannel, or microsphere between microfilament, between microfilament and reaction channel, microfilament and cover plate
Between, between microsphere and reaction channel, microsphere and cover plate formed microchannel.By utilizing microchannel high-efficiency
Mass-and heat-transfer ability completes reaction, simple in construction, and manufacturing cost is low, especially, uses arrangement of microspheres in instead
When answering in passage, each reactant forms turbulent flow in the microchannel that microsphere is formed, and mixed effect is more preferably.
As it has been described above, disclose the micro passage reaction of number of different types in prior art, but microreactor
The maximum shortcoming of micro structure be that solid material cannot pass through microchannel, if there being a large amount of solid to produce in Fan Ying,
Microchannel easily blocks, and causes production to be carried out continuously.
Corresponding, numerous chemical reactions all can produce crystallization or solid particle, in mixing
May result in microchannel blocking when device output is to micro passage reaction, affect the normal use of micro passage reaction；
And current microchannel reaction unit function singleness, can only be suitable for gas medium or liquid medium, and this is big
Have impact on greatly the range of microchannel reaction unit, add equipment investment.
Therefore, new constant flow pump microchannel reaction set a kind of for exploitation, change traditional structure shape
Formula, not only has urgent researching value, it may have good economic benefit and commercial Application potentiality, this is just
It is that the power place that the present invention is accomplished is leaned on basis.
Summary of the invention
In order to overcome the defect of prior art as indicated above and research and develop a kind of new micro passage reaction, this
This is conducted in-depth research by inventor, after having paid a large amount of creative work, thus completes the present invention.
Specifically, the technical problem to be solved is: provide a kind of constant flow pump microchannel reaction machine
Group device, to solve to be easily generated solid particle blocking microchannel in current microchannel reaction unit, affect micro-leading to
The technical problem that road reactor normally uses.
For solving above-mentioned technical problem, the technical scheme is that offer a kind of constant flow pump microchannel reaction
Set, feed arrangement that described device includes being sequentially connected with, blender, constant flow pump, microreactor and
After-treatment device, described microreactor is provided around heater and chiller, described feed arrangement, mixed
Clutch, constant flow pump, microreactor, after-treatment device, heater and chiller are all connected with control unit,
Described blender includes tank body, described tank body is rotatablely equipped with by the shaft of motor-driven, described in stir
Vertically being provided with dried layer blade on axle if mixing, it is corresponding with feed arrangement that the bottom of described tank body is provided with several
Charging aperture, the top of described tank body is provided with discharging opening；Described constant flow pump includes the pump housing, is provided with in the described pump housing
Two pressure chambers, are all slidably fitted with a plunger in each described pressure chamber, each described plunger is all by convex
Wheel connects servomotor, and described servomotor connects described control unit by pulse canceller, each described
Pressure chamber is equipped with material inlet and material outlet, and described material inlet connects described discharging opening, described material
Outlet connects described microreactor.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the top of described tank body is provided with an annular seal space, and described discharging opening connects described annular seal space, described stirring
Axle runs through described annular seal space, and described shaft is installed with eddy flow rotor, and described eddy flow rotor is provided with
Some vertically arranged blades, the closure of described eddy flow rotor bottom also surrounds receiving chamber with described blade, described
Tank body is provided with the connecting tube in a connection described receiving chamber and annular seal space.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the periphery of described connecting tube is provided with filter screen, and described filter screen is positioned at described annular seal space.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, described blade is provided with some through holes running through described blade, the diameter of described through hole from bottom to top by
Tapered little.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, described microreactor includes that some micro-channel tubes, one end of all described micro-channel tubes are all connected with distribution
Device, described allotter includes distributor body, is provided with and connects described material outlet in described distributor body
Busway, described micro-channel tubes is respectively communicated with described busway.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, described micro-channel tubes includes the inner and outer tubes being set in together, and forms the first circulation in said inner tube
Passage, described first-class circulation passage connects described after-treatment device, forms second between described outer tube and inner tube
Circulation passage, the tail end plugs of described second circulation passage, said inner tube is provided with some connections described first
Circulation passage and the side opening of second circulation passage, some described side openings are along said inner tube helical arrangement.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the outside of said inner tube is provided with some and described side opening counterflow-preventing film lobe one to one, described anti-reverse
The sectional area of stream film lobe is more than the sectional area of described side opening.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the inwall of described outer tube is provided with the pit of some receiving precipitates.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the periphery of described micro-channel tubes is wound with and adds heat pipe, described in add the flow direction adding thermal medium in heat pipe with
In described micro-channel tubes, the flow direction of medium is consistent.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technology of one
Scheme, the periphery of described micro-channel tubes is wound with cooling tube, the flow direction of the cooling medium in described cooling tube with
In described micro-channel tubes, the flow direction of medium is contrary.
As it has been described above, the described constant flow pump microchannel reaction set of the present invention have employed technique scheme
After, achieve many beneficial effects, such as:
(1) reacting unit due to microchannel is by control system, feed system, microchannel response system, Hou Chu
Reason system four major part composition, promotes down the principle repeatedly clashed into react by high pressure constant flow pump,
Effectively deduct a percentage recovery rate, decreased the generation of side reaction, shorten the response time, eliminate and reacted
Enlarge-effect in journey.
(2) owing to being provided with eddy flow rotor in blender, whether gas medium or liquid medium, can
Solid particle in medium is separated, highly versatile, the reaction of liquid medium can either be met, it is possible to
To meet the use of gas medium, expand the range of the present invention.
(3) it is provided with the most diminishing some through hole due to blade, rotates along with shaft at blade
When, material medium is layered by through hole on blade in advance, and large granular materials is at bottom, microparticle material
At top layer, alleviate the burden of eddy flow rotor.
(4) owing to being provided with counterflow-preventing film lobe, efficiently solve solid particle in second circulation passage and enter the
Technical problem in one circulation passage, further increases the use value of the present invention.
As it has been described above, the invention provides a kind of constant flow pump microchannel reaction set, described device passes through
Unique structure design, thus solve many defects present in prior art, achieve many useful
Technique effect, has good using value and research potential in chemical industry and chemical reaction.
Accompanying drawing explanation
Fig. 1 is the constant flow pump microchannel reaction set structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of constant flow pump in the embodiment of the present invention；
Fig. 3 is the structural representation of blender in the embodiment of the present invention；
Fig. 4 is the structural representation of microreactor in the embodiment of the present invention；
Wherein, in Fig. 1 to Fig. 4, each number designation refer to respectively following concrete meaning, element and/
Or parts.
In figure: 1, base, 2, blender, 201, tank body, 202, shaft, 203, blade, 2031,
Through hole, 204, eddy flow rotor, 2041, blade, 205, annular seal space, 206, connecting tube, 207, filter screen,
208, motor, 209, discharging opening, 210, kinetic pump, 3, constant flow pump, 301, the pump housing, 302, watch
Take motor, 303, cam, 304, pulse canceller, 4, allotter, 5, micro passage reaction, 501,
Outer tube, 502, inner tube, 503, counterflow-preventing film lobe, 6, after-treatment device, 7, control unit, 8, heating
Pipe, 9, cooling tube.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.But the purposes of these exemplary embodiments
Only it is used for purpose enumerating the present invention, not the real protection scope of the present invention is constituted any type of any
Limit, more non-protection scope of the present invention is confined to this.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, a kind of constant flow pump microchannel reaction unit provided by the present invention
Device, including base 1, base 1 is connected with in turn feed arrangement, blender 2, constant flow pump 3, micro-instead
Answering device (namely micro passage reaction 5) and after-treatment device 6, microreactor is provided around heater and cold
Radiator cooler, feed arrangement, blender 2, constant flow pump 3, microreactor, after-treatment device 6, heater
Being all connected with control unit 7 with chiller, after-treatment device 6 is added stirring by vial and carries out PH by PH meter
Value adjusts, and is centrifuged discharging by automatic centrifugal machine, is dried by flash principle, by centrifugal
Power principle is distilled.Control unit 7 is to be carried out Automatic Control by PLC control module, including temperature,
Flow velocity, heating, freezing, constant flow pump 3, response time etc., blender 2 includes tank body 201, tank body 201
On be rotatablely equipped with the shaft 202 driven by motor 208, if being vertically provided with dried layer oar on shaft 202
Sheet 203, the bottom of tank body 201 is provided with the charging aperture that several are corresponding with feed arrangement, tank body 201 upper
Portion is provided with discharging opening 209；Constant flow pump 3 includes the pump housing 301, is provided with two pressure chambers in the pump housing 301, each
All being slidably fitted with a plunger in pressure chamber, each plunger all connects servomotor 302 by cam 303, logical
That crosses cam 303 rotates the reciprocating motion forming plunger, shortens the response time, eliminates in course of reaction
Enlarge-effect, servomotor 302 connects control unit 7 by pulse canceller 304, can eliminate electric current
The side effect that pulse brings, each pressure chamber is equipped with material inlet and material outlet, and material inlet connects out
Material mouth 209, material outlet connects microreactor.Micro passage reaction 5 is to above freezing by under zero temperature 160 degree
600 degree are reacted, and pressure is at 10 MPas, and material medium carries out knock-on reaction under constant flow pump 3 acts on,
In course of reaction, material can be released by sample tap and is monitored.
The top of tank body 201 is provided with an annular seal space 205, discharging opening 209 communication seals chamber 205, shaft 202
Running through annular seal space 205, shaft 202 is installed with eddy flow rotor 204, eddy flow rotor 204 is provided with
Some vertically arranged blades 2041, block bottom eddy flow rotor 204 and surround receiving chamber with blade 2041,
Under the drive of motor 208, eddy flow rotor 204 rotates, and blade 2041 rotates and produces centrifugal force, will be solid
Body granule or impurity get rid of to tank body 201, and the fluid without solid particle then flows to accommodate chamber, and tank body 201 sets
Having a connection to accommodate the connecting tube 206 in chamber and annular seal space 205, fluid enters annular seal space by connecting tube 206
205, then delivered to microreactor by constant flow pump 3.Adjust the rotating speed of motor 208, be possible not only to change stirring
Effect, it is also possible to adjust the rotating speed of eddy flow rotor 204, to change the grain of the granule by eddy flow rotor 204
Degree.Arranging a circulation canal between the top and bottom of tank body 201, circulation canal is provided with kinetic pump 210,
The medium at tank body 201 top is delivered to bottom tank body 201, during work, in the effect of eddy flow rotor 204
Under, tank body 201 top is relatively big near the media particle degree of sidewall locations, and kinetic pump 210 is by these bulky grains
Being delivered to the bottom of tank body 201, further stirring, grinding, to reduce its granularity, it is possible to solid
Grain is ground, and compared with traditional structure using defecator, effectively prevents solid particle blocking micro-
While passage, material concentration will not change, and reversal of effect is good.
In order to further prevent solid particle from entering constant flow pump 3, the periphery of connecting tube 206 is provided with filter screen 207,
Filter screen 207 is positioned at annular seal space 205, and the mesh number of filter screen 207 can select as required.
Blade 203 is provided with some through holes 2031 running through blade 203, and the diameter of through hole 2031 is from bottom to top
Being gradually reduced, blade 203 rotates along with shaft 202 when, the through hole 2031 on blade 203 will
Material medium is layered in advance, and large granular materials is at bottom, and microparticle material is at top layer, to alleviate eddy flow rotor
The burden of 204.
Microreactor includes that some micro-channel tubes, one end of all micro-channel tubes are all connected with allotter 4, the other end
Being connected with after-treatment device 6, allotter 4 includes distributor body, is provided with connection material in distributor body
The busway of outlet, usual busway is straight channel, and constant flow pump 3 connects one end of busway, converges
The other end of circulation road then blocks, and micro-channel tubes is respectively communicated with busway, micro-channel tubes radially with conflux
Passage is connected, and can meet a plurality of micro-channel tubes simultaneously and implement reaction, further increase production efficiency.
As shown in Figure 4, micro-channel tubes includes inner tube 502 and the outer tube 501 being set in together, in inner tube 502
Forming first-class circulation passage, first-class circulation passage connects after-treatment device 6, between outer tube 501 and inner tube 502
Forming second circulation passage, the tail end plugs of second circulation passage, inner tube 502 is provided with some connections first
Circulation passage and the side opening of second circulation passage, some side openings, can be effective along inner tube 502 helical arrangement
Crystallization precipitate during separating reaction.The outside of inner tube 502 is provided with some prevents one to one with side opening
Counter flow film lobe 503, counterflow-preventing film lobe 503 efficiently solves the solid particle in second circulation passage and enters first
Technical problem in circulation passage, counterflow-preventing film lobe 503 usually soft material makes, and has certain strong
Degree, upper end is fixed in inner tube 502, and lower end and both sides are the most freely arranged, the cross section of counterflow-preventing film lobe 503
The long-pending sectional area more than side opening, it is possible to side opening is blocked.The inwall of outer tube 501 is provided with and separates out some receiving
The pit of thing, can accommodate more crystalline solid or precipitate so that crystalline solid or precipitate are easier to
Wall built-up and attachment, it is to avoid local accumulation is to affect the normal use of counterflow-preventing film lobe 503.
The periphery of micro-channel tubes is wound with and adds heat pipe 8, adds the flow direction adding thermal medium in heat pipe 8 and micro-channel tubes
The flow direction of interior medium is consistent.The periphery of micro-channel tubes is wound with cooling tube 9, the cooling medium in cooling tube 9
Flow to contrary with the flow direction of medium in micro-channel tubes.The heating of this wound form and the type of cooling, it is possible to more
Quickly rise gentleness cooling, improve heat exchange efficiency, and then improve the production efficiency of micro passage reaction 5.
In order to improve production efficiency further, base 1 arranges two blenders 2, when a blender 2
While in microchannel, pumped (conveying) medium reacts, another blender 2 can feed and stir and grind
Large granular materials, saves stirring and the time ground.
When using the described constant flow pump microchannel reaction set of the present invention, its implementing process step is concrete
As follows:
1. first various materials are sent into mixing after reaction mixer 2 dissolves, whipping process by metering method
Middle large granular materials is ground simultaneously；
2. send into micro passage reaction 5 with the material in 3 blenders 2 of constant flow pump to react, control pressure
The Parameters variation such as power, temperature, flow, the timely flow adjusting constant flow pump 3 and pressure and motor 208
Rotating speed；
3. carry out carrying out post processing into after-treatment device 6 from the reacted material of micro passage reaction 5, including
Adjust pH value, distill, crystallize, be centrifuged, all multioperations such as drying, until finished product packing.
As it has been described above, the invention provides a kind of constant flow pump microchannel reaction set, it can be effectively
Solve and course of reaction is easily generated solid particle blocking microchannel, affect micro passage reaction 5 and normally use
Technical problem, and solid particle can be ground, with traditional structure phase using defecator
Relatively, material concentration will not change, and reversal of effect is good.
Should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit the guarantor of the present invention
Protect scope.Additionally, it will also be appreciated that after the technology contents having read the present invention, those skilled in the art
The present invention can make various change, amendment and/or modification, and all these equivalent form of value falls within this Shen equally
Please be within the protection domain that limited of appended claims.
Claims (7)
1. a constant flow pump microchannel reaction set, described device includes being sequentially connected with
Feed arrangement, blender, constant flow pump, microreactor and after-treatment device, described microreactor
It is provided around heater and chiller, described feed arrangement, blender, constant flow pump, micro-
Reactor, after-treatment device, heater and chiller are all connected with control unit, described mixed
Clutch includes tank body, described tank body is rotatablely equipped with by the shaft of motor-driven, described
If being vertically provided with dried layer blade on shaft, the bottom of described tank body is provided with several and charging dress
Putting corresponding charging aperture, the top of described tank body is provided with discharging opening；Described constant flow pump includes pump
Body, is provided with two pressure chambers, is all slidably fitted with one in each described pressure chamber in the described pump housing
Plunger, each described plunger all connects servomotor by cam, and described servomotor passes through arteries and veins
Rushing canceller and connect described control unit, each described pressure chamber is equipped with material inlet and material
Outlet, described material inlet connects described discharging opening, and described material outlet connects described micro-reaction
Device；
The top of described tank body is provided with an annular seal space, and described discharging opening connects described annular seal space, institute
State shaft and run through described annular seal space, described shaft is installed with eddy flow rotor, described
Eddy flow rotor is provided with some vertically arranged blades, the closure of described eddy flow rotor bottom and with institute
Stating blade and surround receiving chamber, described tank body is provided with the company in a connection described receiving chamber and annular seal space
Adapter；
Described microreactor includes that some micro-channel tubes, one end of all described micro-channel tubes all connect
Connecing allotter, described allotter includes distributor body, is provided with connection in described distributor body
The busway of described material outlet, described micro-channel tubes is respectively communicated with described busway；
Described micro-channel tubes includes the inner and outer tubes being set in together, and forms the in said inner tube
One circulation passage, described first-class circulation passage connects described after-treatment device, and described outer tube is with interior
Second circulation passage, the tail end plugs of described second circulation passage, said inner tube is formed between pipe
It is provided with the described first-class circulation passage of some connections and the side opening of second circulation passage, some described
Side opening is along said inner tube helical arrangement.
2. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is special
Levying and be: the periphery of described connecting tube is provided with filter screen, described filter screen is positioned at described annular seal space.
3. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is special
Levy and be: described blade is provided with some through holes running through described blade, the diameter of described through hole
It is gradually reduced from bottom to top.
4. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is special
Levy and be: the outside of said inner tube is provided with some and described side opening counterflow-preventing film one to one
Lobe, the sectional area of described counterflow-preventing film lobe is more than the sectional area of described side opening.
5. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is special
Levy and be: the inwall of described outer tube is provided with the pit of some receiving precipitates.
6. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is special
Levy and be: the periphery of described micro-channel tubes is wound with and adds heat pipe, described in add heating in heat pipe and be situated between
Flowing to of matter is consistent with the flow direction of medium in described micro-channel tubes.
7. a kind of constant flow pump microchannel reaction machine as described in any one of claim 1-6 assembles
Put, it is characterised in that: the periphery of described micro-channel tubes is wound with cooling tube, in described cooling tube
Cooling medium flow to contrary with the flow direction of medium in described micro-channel tubes.
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| CN201510536924.8A CN105126720B (en) | 2015-08-27 | 2015-08-27 | Constant flow pump micro-channel reaction unit device |
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| CN201510536924.8A CN105126720B (en) | 2015-08-27 | 2015-08-27 | Constant flow pump micro-channel reaction unit device |
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| CN107626271B (en) * | 2017-11-07 | 2023-06-16 | 菲立化学工程(遂昌)有限公司 | Microchannel reactor |
| CN107834046A (en) * | 2017-11-07 | 2018-03-23 | 衢州市鼎盛化工科技有限公司 | The preparation method and its consersion unit of ternary material precursor |
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| CN201912938U (en) * | 2010-12-27 | 2011-08-03 | 华东理工大学 | Inorganic nanocrystalline micro-reaction synthesis amplifying device |
| CN103104432A (en) * | 2013-02-28 | 2013-05-15 | 上海舜宇恒平科学仪器有限公司 | Liquid chromatograph constant flow pump |
| CN103521158A (en) * | 2013-10-29 | 2014-01-22 | 万华化学集团股份有限公司 | Method for continuously preparing butanedinitrile |
| CN103949198A (en) * | 2014-04-16 | 2014-07-30 | 中国地质大学（武汉） | Integrated continuous forming device for crystal colloid medium |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201912938U (en) * | 2010-12-27 | 2011-08-03 | 华东理工大学 | Inorganic nanocrystalline micro-reaction synthesis amplifying device |
| CN103104432A (en) * | 2013-02-28 | 2013-05-15 | 上海舜宇恒平科学仪器有限公司 | Liquid chromatograph constant flow pump |
| CN103521158A (en) * | 2013-10-29 | 2014-01-22 | 万华化学集团股份有限公司 | Method for continuously preparing butanedinitrile |
| CN103949198A (en) * | 2014-04-16 | 2014-07-30 | 中国地质大学（武汉） | Integrated continuous forming device for crystal colloid medium |
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Denomination of invention: A constant flow pump microchannel reaction unit Effective date of registration: 20210927 Granted publication date: 20170111 Pledgee: Zhejiang Tailong Commercial Bank Co., Ltd. Lishui Suichang sub branch Pledgor: FRAPP'S CHEMICAL ENGINEERING (SUICHANG) Co.,Ltd. Registration number: Y2021330001778 |