CN105126720A - Constant flow pump micro-channel reaction unit device - Google Patents
Constant flow pump micro-channel reaction unit device Download PDFInfo
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- CN105126720A CN105126720A CN201510536924.8A CN201510536924A CN105126720A CN 105126720 A CN105126720 A CN 105126720A CN 201510536924 A CN201510536924 A CN 201510536924A CN 105126720 A CN105126720 A CN 105126720A
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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 specifically relate to a kind of constant flow pump microchannel reaction set, belong to microchannel reaction equipment technical field.
Background technology
Micro passage reaction also claims microreactor, is the duct type microreactor of a kind of continuous-flow of a kind of characteristic size utilizing precision processing technology to manufacture between 10 to 300 microns (or 1000 microns).The passage of microreactor, in micron level, can include millions of minitype channel in a microreactor, and every bar passage can independently be produced, and therefore also realizes very high output.
Microreaction technology causes due to its successful Application in chemical industry to be paid close attention to more and more widely.It comprises blender, heat exchanger, reactor, controller etc. required for chemical unit, and microreactor has great specific area, and the basic advantage brought thus is great heat exchange efficiency and mixing efficiency.In other words, accurately can control reaction temperature and reaction mass by the instantaneous mixing of accurate proportioning, these are all improve yield, selective, security, and the key factor of improving the quality of products.
Microreactor equipment can be subdivided into micro-mixer according to its main application or function, micro-heat exchanger and microreactor.Micro-structural due to its inside makes microreactor equipment have great specific area, can reach the hundred times even thousands of times of stirred tank specific area.Microreactor has fabulous heat transfer and mass transfer ability, and the moment Homogeneous phase mixing that can realize material conducts heat with efficient.Just because of microreactor equipment advantage so and feature, many reactions that cannot realize in conventional reactor can be realized.
Up to now, people have carried out a large amount of further investigations for microreactor, achieve many technological achievements, such as:
WO20035084795A discloses a kind of microchannel polymerization reactor, and it comprises: (a) is applicable to the first microchannel of carrying reactant stream; B () is applicable to the fluid line carrying the fluid be communicated with described first micro channel heat; (c) static mixer be communicated with described first microchannel fluid, this static mixer is applicable to the predetermined point be provided in along described first microchannel and effectively changes cross section fluid flow profile 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, comprises housing, and the outer wall upper end of housing is provided with heat exchanging fluid outlet, and reactor comprises inner core and urceolus, forms the interlayer holding heat exchanging fluid between inner/outer tube.Housing bottom is provided with filter screen, weight orchid dish.Fill hydride powder in housing, full sealed annular microchannel is set in reaction bed, in microchannel, pour into high efficient heat exchanging fluid.Gas enters in reactor through filter screen, reacts with hydride powder, and reaction heat, is taken away to reactor inner tube wall place through heat exchanging fluid through microchannel inner fluid tape loop.Reach object that is quick, high efficient heat exchanging.It has the features such as compact equipment, reactant loadings is large, heat transfer efficiency is high, operating flexibility is large, regulation and control are convenient.
CN101433815A discloses a kind of membrane dispersion type micro-channel reactor, by an outer tube and an interior pipe forming sleeves, annular microchannel is formed between inner and outer pipe, outer tube is provided with fluid inlet and outlet, on interior pipe, one end is provided with fluid inlet, and the other end is circumferential for being distributed with microporous microporous barrier along tube wall.Compared with common micro passage reaction, the sectional area of described channel of reactor increases, and treating capacity increases.Enhance the mixing between fluid and mass transfer.While reaching high throughput, also ensure that stronger microcosmic mixing.In synthesis of nano particle, particularly achieve the mixing of quick microcosmic, synthesized the barium sulfate particle that average grain diameter is 37nm, described reactor is simple to operate, and operating cost is low, and treating capacity is large, has very large application prospect in the industrial production relating to Fast Process.
WO2007139336A discloses a kind of channel reactor system, this system has the first passage board component that carries out exothermic reaction wherein and arranges for heat exchange and form thus the second channel board component effectively reduced phlegm and internal heat with first passage board component entirety, this channel reactor system comprises the channel unit that at least two are introduced reacting gas and cooling fluid respectively, and each channel unit comprises the reaction channel board component introducing reacting gas and the hot switching path board component introducing cooling fluid; With at least one is arranged on the intermediate plate between upper and lower channel unit, this intermediate plate provides the reaction channel board component of new reaction gas and cooling fluid and downward channel unit and hot switching path board component to provide reacting gas and cooling fluid respectively to the reactant flowed into from upper channel unit and cooling fluid.
CN101733056A discloses a kind of impinging stream micro-channel reactor, on plate material, be carved with at least two equivalent hydraufic diameter coaxially or at an angle clashed in opposite directions is the microchannel of 0.1-2mm, and forms the impingement region that wide (or impinging distance) is 0.5-10mm in the middle of head-on collision passage.Microchannel can distribute by parallel array, is communicated to two entrances with step branch configurations.Can individual chip package, or some chips is stacking in order, be pressed into the impinging stream micro-channel reactor with four charging apertures at the most.Described percussion flow microreactor is applicable to the course of reaction that completes instantaneously or reaction precipitation process, as solution-air and the liquid-liquid fast reaction of produce liquid or solid (superfine powder or nano material etc.).Micro channel array form achieves impingement region reaction height uniformity, solves and thinks that impact flow reactor is difficult to arrange the problem of multilevel system (the mutual interference between multipair percussion flow) in the past.
CN101920183A discloses a kind of micro passage reaction; Combined by modules A and module B make-up; Modules A is made up of fluid A intake channel, fluid A dispensed in parallel passage, mixing fluid channel, compound outlet dispensed in parallel passage, two compound exit passageways; Module B distributes passage by fluid B intake channel, fluid B and fluid B surge chamber is formed; Wherein fluid A intake channel and fluid A dispensed in parallel channel connection, fluid A dispensed in parallel passage is communicated with mixing fluid channel, mixing fluid channel and compound outlet dispensed in parallel channel connection, compound outlet dispensed in parallel passage is communicated with two compound exit passageways; Fluid B intake channel and fluid B distribute channel connection, and fluid B distributes passage and is communicated with fluid B surge chamber, and fluid B surge chamber is communicated with mixing fluid channel; Can be applicable to the numerous association areas mixing mass transfer between two fluids, structure is simple, easy to operate, has the advantages that through engineering approaches runs overall good mixing effect.
WO2010075259A discloses a kind of micro passage reaction (1), it comprises microchannel shell (20) and is arranged on the upper microstructure (10) on described microchannel shell (20), described microchannel shell (20) comprises the multiple passages (23) arranging and assist charging for gravity, described upper microstructure (10) comprises gas feed circuit (40), liquid feed line road (50) and at least one hybrid chamber (60), wherein: described microchannel shell (20) comprises at least one reaction path (22); Described hybrid chamber (60) is communicated with described reaction path (22) fluid; Described gas feed circuit (40) comprises at least one gas feed entrance (41), and this entrance can operate, and gas feed is transported to described hybrid chamber; And described liquid feed line road (50) comprises at least one liquid feed inlet (51) and at least one liquid reservoir (52) that is adjacent with described hybrid chamber (60) and that be communicated with described at least one liquid feed inlet (51) fluid, described liquid reservoir (52) can operate, and liquid charging is transported in hybrid chamber (60).
CN103182278A discloses a kind of membrane module for microchannel membrane dispersion reaction unit, comprise: at least one film pipe, described film pipe two ends are each passed through continuous phase inlet baffle plate and continuous phase liquid outlet baffle plate, and are connected with continuous phase inlet baffle plate and continuous phase liquid outlet guard seal; Outside film pipe, be provided with overcoat, described overcoat is connected with continuous phase inlet baffle plate and continuous phase liquid outlet guard seal; Described overcoat and continuous phase inlet baffle plate, continuous phase liquid outlet baffle plate form the decentralized photo cavity be enclosed in outside described film pipe; Described outer putting is provided with decentralized photo inlet, is respectively equipped with inlet and the liquid outlet of continuous phase through inlet baffle plate and liquid outlet baffle plate; The inner center position of described film pipe is provided with a point of fluid column, and near one end of inlet baffle plate conically, the other end of point fluid column is fixedly connected with liquid outlet baffle plate point fluid column; Fluid column and film pipe is divided to form the microchannel that cross section is ring-type.
CN103301796A discloses a kind of micro passage reaction, comprise reative cell, ascending pipe and efferent duct, reative cell be provided with respectively with ascending pipe, the input hybrid chamber that efferent duct is connected, export hybrid chamber, reative cell comprises substrate and cover plate, substrate is provided with and is communicated with input hybrid chamber and exports hybrid chamber, the reaction channel of upper end open, gather in reaction channel and be arranged with microfilament or microballoon, reaction channel coordinates with cover plate and microfilament or microballoon is compressed, between microfilament, microfilament and reaction channel, microchannel is formed between microfilament and cover plate, or between microballoon, microballoon and reaction channel, microchannel is formed between microballoon and cover plate.By utilizing the mass-and heat-transfer ability of microchannel high-efficiency to complete reaction, structure is simple, and manufacturing cost is low, and especially, when adopting arrangement of microspheres in reaction channel, each reactant forms turbulent flow in the microchannel that microballoon is formed, and mixed effect is better.
As mentioned above, disclose the micro passage reaction of number of different types in prior art, but the maximum shortcoming of the micro-structural of microreactor be solid material cannot by microchannel, if having a large amount of solid to produce in reaction, microchannel very easily blocks, and causes production to carry out continuously.
Corresponding, in numerous chemical reaction, all can produce crystallization or solid particle, microchannel will be caused when blender exports micro passage reaction to block, affect the normal use of micro passage reaction; And current microchannel reaction unit function singleness, can only be applicable to gas medium or liquid medium, this have impact on the scope of application of microchannel reaction unit greatly, adds equipment investment.
Therefore, for a kind of new constant flow pump microchannel reaction of exploitation set, change traditional version, not only there is urgent researching value, also there are good economic benefit and commercial Application potentiality, this just the power place that is accomplished of the present invention and basis lean on.
Summary of the invention
In order to overcome defect and a kind of new micro passage reaction of research and development of above-mentioned pointed prior art, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical problem to be solved by this invention is: provide a kind of constant flow pump microchannel to react set, easily produces solid particle blocking microchannel, affects the technical problem that micro passage reaction normally uses to solve in current microchannel reaction unit.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of constant flow pump microchannel to react set, described device comprises the feed arrangement connected successively, blender, constant flow pump, microreactor and after-treatment device, heater and cooling device is provided with around described microreactor, described feed arrangement, blender, constant flow pump, microreactor, after-treatment device, heater and the equal connection control unit of cooling device, described blender comprises tank body, described tank body is rotatablely equipped with the shaft driven by motor, described shaft is vertically provided with some layers of blade, the bottom of described tank body is provided with several charging apertures corresponding with feed arrangement, the top of described tank body is provided with discharging opening, described constant flow pump comprises the pump housing, two pressure chambers are provided with in the described pump housing, a plunger is all slidably fitted with in each described pressure chamber, each described plunger all connects servomotor by cam, described servomotor connects described control unit by pulse arrester, each described pressure chamber is equipped with material inlet and material outlet, and described material inlet is communicated with described discharging opening, and described material outlet connects described microreactor.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, the top of described tank body is provided with an annular seal space, described discharging opening is communicated with described annular seal space, described shaft runs through described annular seal space, described shaft is installed with eddy flow rotor, described eddy flow rotor is provided with the blade of some vertical settings, the shutoff of described eddy flow rotor bottom also surrounds container cavity with described blade, and described tank body is provided with the tube connector of the described container cavity of a connection and annular seal space.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, the periphery of described tube connector 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 technical scheme of one, described blade is provided with some through holes running through described blade, and the diameter of described through hole reduces from bottom to top gradually.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, described microreactor comprises some micro-channel tubes, one end of all described micro-channel tubes all connects distributor, described distributor comprises distributor body, be provided with the busway connecting described material outlet in described distributor body, described micro-channel tubes is communicated with described busway respectively.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, described micro-channel tubes comprises the inner and outer tubes be set in together, first-class circulation passage is formed in described interior pipe, described first-class circulation passage connects described after-treatment device, second circulation passage is formed between described outer tube and interior pipe, the tail end plugs of described second circulation passage, described interior pipe is provided with the side opening of the described first-class circulation passage of some connections and second circulation passage, and some described side openings arrange along described inner tube helical.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, the outside of described interior pipe is provided with some and described side opening counterflow-preventing film lobe one to one, and the sectional area of described counterflow-preventing film lobe is greater 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 technical scheme of one, the inwall of described outer tube is provided with the pit of some accommodation precipitates.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, the periphery of described micro-channel tubes is wound with heating tube, and the flow direction of the heat medium in described heating tube is consistent with the flow direction of medium in described micro-channel tubes.
In described a kind of constant flow pump microchannel reaction set of the present invention, as the preferred technical scheme of one, the periphery of described micro-channel tubes is wound with cooling tube, and the flow direction of the cooling medium in described cooling tube is contrary with the flow direction of medium in described micro-channel tubes.
As mentioned above, after described constant flow pump microchannel reaction set of the present invention have employed technique scheme, achieve many beneficial effects, such as:
(1) because microchannel reaction unit is made up of control system, feed system, microchannel reaction system, after-treatment system four major part, the principle promoting down repeatedly to clash into by high pressure constant flow pump is reacted, effectively to deduct a percentage recovery rate, decrease the generation of side reaction, shorten the reaction time, eliminate the enlarge-effect in course of reaction.
(2) owing to being provided with eddy flow rotor in blender, no matter be gas medium or liquid medium, the solid particle in medium can be separated, highly versatile, the reaction of liquid medium can either be met, also can meet the use of gas medium, expand the scope of application of the present invention.
(3) because blade is provided with some diminishing through holes from bottom to top, when blade rotates along with shaft, the through hole on blade is by the layering in advance of material medium, and large granular materials is at bottom, microparticle material, at top layer, alleviates the burden of eddy flow rotor.
(4) owing to being provided with counterflow-preventing film lobe, the solid particle efficiently solved in second circulation passage enters the technical problem in first-class circulation passage, further increases use value of the present invention.
As mentioned above, the invention provides a kind of constant flow pump microchannel reaction set, described device is by unique structural design, thus solve the many defects existed in prior art, achieve many useful technique effects, in chemical industry and chemical reaction, there is good using value and research potential.
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 refers to following concrete meaning, element and/or parts respectively.
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, tube connector, 207, filter screen, 208, motor, 209, discharging opening, 210, kinetic pump, 3, constant flow pump, 301, the pump housing, 302, servomotor, 303, cam, 304, pulse arrester, 4, distributor, 5, micro passage reaction, 501, outer tube, 502, interior pipe, 503, counterflow-preventing film lobe, 6, after-treatment device, 7, control unit, 8, heating tube, 9, cooling tube.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
As Fig. 1, Fig. 2 and Fig. 3 jointly shown in, a kind of constant flow pump microchannel reaction set provided by the present invention, comprise base 1, base 1 is connected with feed arrangement in turn, blender 2, constant flow pump 3, microreactor (namely micro passage reaction 5) and after-treatment device 6, heater and cooling device is provided with around microreactor, feed arrangement, blender 2, constant flow pump 3, microreactor, after-treatment device 6, heater and the equal connection control unit 7 of cooling device, after-treatment device 6 adds stirring by vial and carries out pH value adjustment by PH meter, centrifugal discharge is carried out by automatic centrifugal machine, dried by flash principle, distilled by centrifugal principle.Control unit 7 carries out Automatic Control by PLC control module, comprise temperature, flow velocity, heating, freezing, constant flow pump 3, reaction time etc., blender 2 comprises tank body 201, tank body 201 is rotatablely equipped with the shaft 202 driven by motor 208, shaft 202 is vertically provided with some layers of blade 203, the bottom of tank body 201 is provided with several charging apertures corresponding with feed arrangement, and the top of tank body 201 is provided with discharging opening 209, constant flow pump 3 comprises the pump housing 301, two pressure chambers are provided with in the pump housing 301, a plunger is all slidably fitted with in each pressure chamber, each plunger all connects servomotor 302 by cam 303, the reciprocating motion of plunger is formed by the rotation of cam 303, shorten the reaction time, eliminate the enlarge-effect in course of reaction, servomotor 302 is by pulse arrester 304 connection control unit 7, the side effect that current impulse brings can be eliminated, each pressure chamber is equipped with material inlet and material outlet, material inlet is communicated with discharging opening 209, material outlet connects microreactor.Micro passage reaction 5 be by under zero temperature 160 degree react to 600 degree above freezing, pressure in 10 MPas, material medium constant flow pump 3 act under carry out knock-on reaction, in course of reaction, material can by sample tap release monitor.
The top of tank body 201 is provided with an annular seal space 205, discharging opening 209 communication seals chamber 205, shaft 202 runs through annular seal space 205, shaft 202 is installed with eddy flow rotor 204, eddy flow rotor 204 is provided with the blade 2041 of some vertical settings, shutoff bottom eddy flow rotor 204 also surrounds container cavity with blade 2041, under the drive of motor 208, eddy flow rotor 204 rotates, blade 2041 rotates and produces centrifugal force, solid particle or impurity are got rid of to tank body 201, fluid without solid particle then flows to container cavity, tank body 201 is provided with the tube connector 206 of a connection container cavity and annular seal space 205, fluid enters annular seal space 205 by tube connector 206, microreactor is delivered to again by constant flow pump 3.The rotating speed of adjustment motor 208, not only can change mixing effect, can also adjust the rotating speed of eddy flow rotor 204, to change the granularity of the particle by eddy flow rotor 204.One circulation canal is set between the top and bottom of tank body 201, circulation canal is provided with kinetic pump 210, bottom the medium transport at tank body 201 top to tank body 201, during work, under the effect of eddy flow rotor 204, tank body 201 top is larger near the media particle degree of sidewall locations, these bulky grains are delivered to the bottom of tank body 201 by kinetic pump 210, further stirring, grinding, to reduce its granularity, can grind solid particle, compared with the structure of traditional use filter, while effectively preventing solid particle from blocking microchannel, material concentration can not change, reversal of effect is good.
In order to further prevent solid particle from entering constant flow pump 3, the periphery of tube connector 206 is provided with filter screen 207, and filter screen 207 is positioned at annular seal space 205, and the order number of filter screen 207 can be selected as required.
Blade 203 is provided with some through holes 2031 running through blade 203, the diameter of through hole 2031 reduces from bottom to top gradually, when blade 203 rotates along with shaft 202, through hole 2031 on blade 203 is by the layering in advance of material medium, large granular materials is at bottom, microparticle material at top layer, to alleviate the burden of eddy flow rotor 204.
Microreactor comprises some micro-channel tubes; one end of all micro-channel tubes all connects distributor 4; the other end is connected with after-treatment device 6; distributor 4 comprises distributor body; the busway connecting material outlet is provided with in distributor body; usual busway is straight channel; constant flow pump 3 connects one end of busway; the other end then shutoff of busway; micro-channel tubes is communicated with busway respectively; micro-channel tubes is radially connected with busway, can meet many micro-channel tubes simultaneously and implement reaction, further increase production efficiency.
As shown in Figure 4, micro-channel tubes comprises the interior pipe 502 and outer tube 501 that are set in together, first-class circulation passage is formed in interior pipe 502, first-class circulation passage connects after-treatment device 6, form second circulation passage between outer tube 501 and interior pipe 502, the tail end plugs of second circulation passage, interior pipe 502 is provided with the side opening of the first-class circulation passage of some connections and second circulation passage, some side openings, can crystallization precipitate effectively in separating reaction process along interior pipe 502 helical arrangement.The outside of interior pipe 502 is provided with some with side opening counterflow-preventing film lobe 503 one to one, counterflow-preventing film lobe 503 solid particle efficiently solved in second circulation passage enters the technical problem in first-class circulation passage, counterflow-preventing film lobe 503 is generally soft material and makes, there is certain intensity, upper end is fixed on interior pipe 502, lower end and both sides are then freely arranged, and the sectional area of counterflow-preventing film lobe 503 is greater than the sectional area of side opening, can by side opening shutoff.The inwall of outer tube 501 is provided with the pit of some accommodation precipitates, can hold more crystalline solid or precipitate, makes crystalline solid or the easier wall built-up of precipitate and attachment, avoids local accumulation to affect the normal use of counterflow-preventing film lobe 503.
The periphery of micro-channel tubes is wound with heating tube 8, and the flow direction of the heat medium in heating tube 8 is consistent with the flow direction of medium in micro-channel tubes.The periphery of micro-channel tubes is wound with cooling tube 9, and the flow direction of the cooling medium in cooling tube 9 is contrary with the flow direction of medium in micro-channel tubes.The heating and cooling mode of this wound form, can heat up more fast and lower the temperature, improve heat exchange efficiency, and then improve the production efficiency of micro passage reaction 5.
In order to enhance productivity further, base 1 arranges two blenders 2, while a blender 2 carries out reacting toward pumped (conveying) medium in microchannel, another blender 2 can feed in raw material and stirs and grind large granular materials, saves the time of stirring and grinding.
When using described constant flow pump microchannel reaction set of the present invention, its implementing process step is specific as follows:
1. first various material is sent to reaction mixer 2 by metering method to carry out dissolving rear mixing, large granular materials is ground in whipping process simultaneously;
2. with constant flow pump 3, the material in blender 2 is sent into micro passage reaction 5 to react, the Parameters variation such as controlled pressure, temperature, flow, in time the adjustment flow of constant flow pump 3 and the rotating speed of pressure and motor 208;
3. carry out carrying out post processing into after-treatment device 6 from the reacted material of micro passage reaction 5, comprise all multioperations such as adjustment pH value, distillation, crystallization, centrifugal, oven dry, until finished product packing.
As mentioned above, the invention provides a kind of constant flow pump microchannel reaction set, it can efficiently solve in course of reaction and easily produce solid particle blocking microchannel, affect the normal technical problem used of micro passage reaction 5, and can grind solid particle, compared with the structure of traditional use filter, material concentration can not change, and reversal of effect is good.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (10)
1. a constant flow pump microchannel reaction set, described device comprises the feed arrangement connected successively, blender, constant flow pump, microreactor and after-treatment device, heater and cooling device is provided with around described microreactor, described feed arrangement, blender, constant flow pump, microreactor, after-treatment device, heater and the equal connection control unit of cooling device, described blender comprises tank body, described tank body is rotatablely equipped with the shaft driven by motor, described shaft is vertically provided with some layers of blade, the bottom of described tank body is provided with several charging apertures corresponding with feed arrangement, the top of described tank body is provided with discharging opening, described constant flow pump comprises the pump housing, two pressure chambers are provided with in the described pump housing, a plunger is all slidably fitted with in each described pressure chamber, each described plunger all connects servomotor by cam, described servomotor connects described control unit by pulse arrester, each described pressure chamber is equipped with material inlet and material outlet, and described material inlet is communicated with described discharging opening, and described material outlet connects described microreactor.
2. a kind of constant flow pump microchannel reaction set as claimed in claim 1, it is characterized in that: the top of described tank body is provided with an annular seal space, described discharging opening is communicated with described annular seal space, described shaft runs through described annular seal space, described shaft is installed with eddy flow rotor, described eddy flow rotor is provided with the blade of some vertical settings, and the shutoff of described eddy flow rotor bottom also surrounds container cavity with described blade, and described tank body is provided with the tube connector of the described container cavity of a connection and annular seal space.
3. a kind of constant flow pump microchannel reaction set as claimed in claim 1 or 2, it is characterized in that: the periphery of described tube connector is provided with filter screen, described filter screen is positioned at described annular seal space.
4. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-3, is characterized in that: described blade is provided with some through holes running through described blade, and the diameter of described through hole reduces from bottom to top gradually.
5. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-4 claim, it is characterized in that: described microreactor comprises some micro-channel tubes, one end of all described micro-channel tubes all connects distributor, described distributor comprises distributor body, be provided with the busway connecting described material outlet in described distributor body, described micro-channel tubes is communicated with described busway respectively.
6. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-5, it is characterized in that: described micro-channel tubes comprises the inner and outer tubes be set in together, first-class circulation passage is formed in described interior pipe, described first-class circulation passage connects described after-treatment device, second circulation passage is formed between described outer tube and interior pipe, the tail end plugs of described second circulation passage, described interior pipe is provided with the side opening of the described first-class circulation passage of some connections and second circulation passage, and some described side openings arrange along described inner tube helical.
7. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-6, it is characterized in that: the outside of described interior pipe is provided with some and described side opening counterflow-preventing film lobe one to one, the sectional area of described counterflow-preventing film lobe is greater than the sectional area of described side opening.
8. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-7, is characterized in that: the inwall of described outer tube is provided with the pit of some accommodation precipitates.
9. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-8 claim, it is characterized in that: the periphery of described micro-channel tubes is wound with heating tube, the flow direction of the heat medium in described heating tube is consistent with the flow direction of medium in described micro-channel tubes.
10. a kind of constant flow pump microchannel reaction set as described in any one of claim 1-9, it is characterized in that: the periphery of described micro-channel tubes is wound with cooling tube, the flow direction of the cooling medium in described cooling tube is contrary with the flow direction of medium in described micro-channel tubes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107626271A (en) * | 2017-11-07 | 2018-01-26 | 菲立化学工程（上海）有限公司 | A kind of micro passage reaction |
| 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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| 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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| 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 |
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| CN105126720B (en) | 2017-01-11 |
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