CN204447980U - Microchannel reaction system - Google Patents
Microchannel reaction system Download PDFInfo
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- CN204447980U CN204447980U CN201520051657.0U CN201520051657U CN204447980U CN 204447980 U CN204447980 U CN 204447980U CN 201520051657 U CN201520051657 U CN 201520051657U CN 204447980 U CN204447980 U CN 204447980U
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Abstract
The utility model relates to synthesis device field, provide a kind of microchannel reaction system, comprise microchannel reaction unit, pass into the air transporting arrangement of gas material to described microchannel reaction unit, pass at least two liquid transporting apparatus of liquid material, the gas-liquid separation device be communicated with described microchannel reaction unit and sampler to described microchannel reaction unit.Microchannel reaction system above-mentioned in the utility model, can realize the synthetic reaction that gas-liquid, liquid liquid etc. are dissimilar; And utilizing microchannel reaction unit to realize hydrogenation, oxidation, fluoridizes, bromination, nitrated, the deep-etchings such as sulfonation, the reaction of strong heat release; And above-mentioned reaction system structure is simple, be easy to realize, the process exploitation research that can meet in a small amount also can meet the needs of pilot scale.
Description
Technical field
The utility model relates to a kind of microchannel reaction system.
Background technology
Since the nineties in 20th century, an important trend of natural science and engineering development strides forward to microminiaturization.Micro-Chemical Engineering Technology complies with sustainable development and high technology development needs and produces, and be acknowledged as field of chemical engineering first develop one of direction.Miniaturization due to yardstick makes the heat transfer of chemical industry fluid in microchannel, mass-transfer performance is greatly increased compared with routine tradition, and namely system microminiaturization can realize chemical process and strengthens this target.Continuous Flow chemistry adopts microreactor, there is due to microreactor the advantages such as specific area is large, transfer rate is high, time of contact is short, accessory substance is few, conversion ratio is high, good operability, security is high, express delivery is directly amplified, each condition milligram ammonia of Continuous Flow reaction, the reaction condition such as temperature, pressure can carry out more accuracy controlling, compare traditional batch reaction, in the process that reaction is amplified and optimized, there is higher reaction efficiency, higher reappearance and stability.Microchannel continuous flow reactor heat buffer requirement amount is low, output increased, and reagent reduces, and automaticity is high, greatly saves human resources.Continuous Flow technology represents the development of Green Chemistry and laboratory automation.
But existing microreactor is mostly the tubular reactor of microchannel, and the mixed effect of reactor and heat-transfer effect are all poor, reactor narrow application range, only do some simple reactive liquid solutions.
Utility model content
The purpose of this utility model is to provide a kind of microchannel reaction system, is intended to the problem solving micro passage reaction narrow application range of the prior art.
For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of microchannel reaction system, comprises microchannel reaction unit, passes into the air transporting arrangement of gas material to described microchannel reaction unit, passes at least two liquid transporting apparatus of liquid material, the gas-liquid separation device be communicated with described microchannel reaction unit and sampler to described microchannel reaction unit.
Alternatively, described microchannel reaction unit comprises reaction plate and lays respectively at described reaction plate both sides and the preheating mixed plate be communicated with described reaction plate and cancellation plate, the middle part of described reaction plate is provided with reacting fluid passage, and the both sides of described reacting fluid passage are respectively equipped with heat transfer fluid channels.
Alternatively, described reacting fluid passage bending, in end to end U-shaped structure, is provided with micro-structural in its passage.
Alternatively, described micro-structural is the some group reaction grooves be arranged on described conduit wall, and every group reaction groove comprises groove and lower groove, described upper groove and lower groove setting up and down, Open Side Down for described upper groove, the opening upwards of described lower groove, and the opening of described upper groove and the interleaved openings of described lower groove are arranged.
Alternatively, be provided with in described heat transfer fluid channels some for supporting the baffle plate that simultaneously can carry out heat transmission.
Alternatively, have at least three preheating channels be communicated with described air transporting arrangement, described two liquid transporting apparatus respectively in described preheating mixed plate, described at least three preheating channel connectivity parts are provided with static mixer.
Alternatively, micro-structural is provided with in described preheating channel, described micro-structural is the some group reaction grooves be arranged on described conduit wall, every group reaction groove comprises groove and lower groove, described upper groove and lower groove setting up and down, Open Side Down for described upper groove, the opening upwards of described lower groove, and the opening of described upper groove and the interleaved openings of described lower groove are arranged.
Alternatively, described liquid transporting apparatus is double injection pump, and described air transporting arrangement is high pressure gas holder.
Alternatively, counterbalance valve is provided with between described sampler and described microchannel reaction unit.
Alternatively, described gas-liquid separation device is connected with gas collector and fluid collection device, between described gas-liquid separation device and described gas collector, is provided with counterbalance valve.
Microchannel reaction system above-mentioned in the utility model, can realize the synthetic reaction that gas-liquid, liquid liquid etc. are dissimilar; And utilizing microchannel reaction unit to realize hydrogenation, oxidation, fluoridizes, bromination, nitrated, the deep-etchings such as sulfonation, the reaction of strong heat release; And above-mentioned reaction system structure is simple, be easy to realize, the process exploitation research that can meet in a small amount also can meet the needs of pilot scale.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the microchannel reaction system that the utility model embodiment provides;
Fig. 2 is the schematic diagram of the microchannel reaction unit that the utility model embodiment provides;
Fig. 3 is the preheating mixed plate internal channel structural representation that the utility model embodiment provides;
Fig. 4 is the structural representation of the reacting fluid passage that the utility model embodiment provides;
Fig. 5 is the structural representation of the heat transfer fluid channels that the utility model embodiment provides;
10-microchannel reaction unit; 11-reaction plate; 100-micro-structural;
12-preheating mixed plate; 121-preheating channel; 122-static mixer;
13-cancellation plate; 20-air transporting arrangement; The upper groove of 110-;
Groove under 120-; 111-reacting fluid passage; 112-heat transfer fluid channels;
113-baffle plate; The entrance of 1121-heat transfer fluid channels,
The outlet of 1122-heat transfer fluid channels; 30-liquid transporting apparatus; 40-gas-liquid separation device;
41-gas collector; 42-fluid collection device; 50-sampler;
51-triple valve; 60-device for transporting objects; 70-meter;
80-check valve; 81-pressure-reducing valve; 90-counterbalance valve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is called as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
With reference to Fig. 1, the microchannel reaction system that the utility model embodiment provides, at least two liquid transporting apparatus 30 of the liquid material that comprises microchannel reaction unit 10, passes into the air transporting arrangement 20 of gas material to microchannel reaction unit 10, passes into microchannel reaction unit 10; And the gas-liquid separation device 40 to be communicated with microchannel reaction unit 10 and sampler 50.Microchannel reaction system above-mentioned in the utility model, can realize the synthetic reaction that gas-liquid, liquid liquid etc. are dissimilar; And utilizing microchannel reaction unit 10 to realize hydrogenation, oxidation, fluoridizes, bromination, nitrated, the deep-etchings such as sulfonation, the reaction of strong heat release; And above-mentioned reaction system structure is simple, be easy to realize, the process exploitation research that can meet in a small amount also can meet the needs of pilot scale.
As shown in Figure 1, Figure 2, microchannel reaction unit 10 comprises three feature boards, and three feature boards are respectively the reaction plate 11 that is positioned at middle part and lay respectively at reaction plate 11 both sides and the preheating mixed plate 12 be communicated with reaction plate 11 and cancellation plate 13.Wherein, preheating mixed plate 12, reaction plate 11 and cancellation plate 13 all adopt silicon carbide material, and silicon carbide material has strong corrosion resistant and heat conductivity.More specifically, be communicated with by sealing ring (not shown) between three feature boards.Preferably, sealing ring is Teflon or FFKM packing ring.
With reference to Fig. 3, there are in preheating mixed plate 12 three preheating channels 121.In the present embodiment, liquid transporting apparatus 30 is two, and air transporting arrangement 20 is one, and two liquid transporting apparatus 30 are communicated with three preheating channels 121 respectively with an air transporting arrangement 20.In three preheating channels 121, first mix through a static mixer 122 between two, and then mix through second static mixer 122 with the 3rd preheating channel 121.By arranging two static mixers through twice mixing, mixing can be made more abundant.Certainly, also a static mixer 122 only can be set.
Further, micro-structural 100 is provided with in each preheating channel 121, micro-structural 100 is for being arranged at the some group reaction grooves on conduit wall, every group reaction groove comprises groove 110 and lower groove 120, Open Side Down for the upper groove 110 of every group reaction groove, the opening upwards of lower groove 120, the opening of upper groove 110 and the interleaved openings of lower groove 120 are arranged.Like this, reaction mass utilizes micro-structural 111 to wriggle and moves ahead in preheating channel 121, can be good at mixing preheating, strengthens mixed effect.
Please composition graphs 2, Fig. 4 again, carries out preheating when gas, liquid material or liquid liquid material enter preheating mixed plate 12, reaches the temperature needed for reaction and state, then enter into reaction plate 11 and react.In the present embodiment, the middle part of reaction plate 11 is provided with reacting fluid passage 111, and the both sides of reacting fluid passage 111 are respectively equipped with heat transfer fluid channels 112.Particularly, reacting fluid passage 111 bends in end to end U-shaped structure, is provided with micro-structural 100 in its passage.Same, micro-structural is the some group reaction grooves be arranged on conduit wall, and every group reaction groove comprises groove 110 and lower groove 120, and Open Side Down for the upper groove 110 of every group reaction groove, the opening upwards of lower groove 120, the opening of upper groove 110 and the interleaved openings of lower groove 120 are arranged.Same, reaction mass utilizes micro-structural 111 to wriggle and moves ahead in reaction chamber 11, can be good at mixing, strengthens mixed effect, and can improve fast reaction productive rate, reduces accessory substance.Meanwhile, in reaction plate 11, temperature-30-200 DEG C can be realized, the reaction within the scope of pressure 25bar.Composition graphs 5, in the present embodiment, is provided with some baffle plates 113 in heat transfer fluid channels 112.Arrange the effect of baffle plate 113, play a supporting role in heat exchanging fluid passage 112 on the one hand, increases the stressed of passage; On the other hand, in baffle plate 113 pairs of passages, fluid produces resistance mass transfer enhancement and heat-transfer effect.Respectively answer material while reaction plate 11, the entrance 1121 of heat transfer fluid channels 112 passes into heat exchanging fluid, and is flowed out by outlet 1122, in flow process, carry out heat exchange to reaction plate 11.After reaction terminates, then enter cancellation plate 13 and carry out cancellation.As can be seen from Figure, cancellation plate 13 is communicated with a device for transporting objects 60, and device for transporting objects 60 for carrying quencher when cancellation in cancellation plate 13.In the present embodiment, cancellation mainly will react Quick stop, like this, can reach the effect reducing accessory substance.
Preferably, device for transporting objects 60 is binary channels syringe pump, and binary channels syringe pump has high precision and large discharge, and adopt the precision of its pumping material higher, pulse is less.
Preferably, in the present embodiment, two liquid transporting apparatus 30 all adopt binary channels syringe pump, and air transporting arrangement 20 adopts high pressure gas holder.With above-mentioned binary channels syringe pump, binary channels syringe pump is adopted to be that adopt the precision of its pumping material higher, pulse is less because binary channels syringe pump has high precision and large discharge herein.And double injection pump is with over-voltage protecting function, when pressure reaches setting value, double injection pump stops pumping material automatically.
Preferably, the pump head of above-mentioned binary channels syringe pump all adopts ceramic pump head, and ceramic corrosion resistance is stronger, and can bear sulfuric acid, the various acid such as hydrochloric acid and nitric acid, greatly improves the scope of application.
Further, in the present embodiment, the interface channel of high pressure gas holder and microchannel reaction unit 10 is provided with the meter 70 for meter gaseous quality and flow.By arranging meter 70, can better control to the conveying quality of gas and flow.
In the present embodiment, air transporting arrangement 20, liquid transporting apparatus 30 and the interface channel of microchannel reaction unit 10 are equipped with check valve 80 and pressure-reducing valve 81.Check valve 80 is set, gas, liquid can only be moved forward along stream in course of conveying and enter microchannel reaction unit 10, and cannot reflux, ensure normally carrying out of reaction.And logical control check valve 80, the switching that gas, liquid reaction and liquid, liquid react can be carried out easily, without the need to changing pipeline.And pressure-reducing valve 81 pairs of interface channels are set exert pressure, change the orifice size of interface channel, thus control the inner gas that passes through and fluid pressure.
Triple valve 51 is provided with between the cancellation plate 13 of microchannel reaction unit 10 and sampler 50 and gas-liquid separation device 40.According to the difference of product after microchannel reaction unit 10, controlled by triple valve 51, make gas liquid reaction product enter gas-liquid separation device 40, reactive liquid solution product directly enters sampler 50 and collects.
In the present embodiment, between sampler 50 and microchannel reaction unit 10, be provided with counterbalance valve 90.Gas-liquid separation device 40 is connected with gas collector 41 and fluid collection device 42, between gas-liquid separation device 40 and gas collector 41, is provided with counterbalance valve 90.By arranging counterbalance valve 90, connecting pipe playing the effect of cut-out and throttling, thus can control the pressure in reactor well.
It should be noted that, in the present embodiment, each connecting line and valve all adopt Hastelloy to make.Hastelloy corrosion resistance is strong, mates with the rotproofness of pumping system and reaction system, ensures that fluid contacting portion can be corrosion-resistant.
In the present embodiment, the operation principle of microchannel reaction system is: by air transporting arrangement 20 and liquid transporting apparatus 30 or two liquid transporting apparatus 30 respectively to conveying gas in preheating mixed plate 12, liquid material or liquid, liquid material, gas, liquid material or liquid, liquid material preheats in preheating mixed plate 12, enter reaction plate 11 after arriving predetermined temperature to react, cancellation is carried out through cancellation plate 13 after reaction terminates, carried to gas-liquid separation device 40 by cancellation plate 13 when reactant is gas-liquid mixture, carry in sampler 50 when reactant is liquid.Gas-liquid mixture is after gas-liquid separation device 40 is separated, and gas enters gas collector 41 by the top discharge of gas-liquid separation device 40 and collects, and liquid enters fluid collection device 42 by the bottom discharge of gas-liquid separation device 40 and collects.When reactant is liquid, directly carried in sampler 50 by cancellation plate 13.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a microchannel reaction system, is characterized in that: comprise microchannel reaction unit, pass into the air transporting arrangement of gas material to described microchannel reaction unit, pass at least two liquid transporting apparatus of liquid material, the gas-liquid separation device be communicated with described microchannel reaction unit and sampler to described microchannel reaction unit.
2. microchannel as claimed in claim 1 reaction system, it is characterized in that: described microchannel reaction unit comprises reaction plate and lays respectively at described reaction plate both sides and the preheating mixed plate be communicated with described reaction plate and cancellation plate, the middle part of described reaction plate is provided with reacting fluid passage, and the both sides of described reacting fluid passage are respectively equipped with heat transfer fluid channels.
3. microchannel as claimed in claim 2 reaction system, is characterized in that: described reacting fluid passage bending, in end to end U-shaped structure, is provided with micro-structural in its passage.
4. microchannel as claimed in claim 3 reaction system, it is characterized in that: described micro-structural is the some group reaction grooves be arranged on described conduit wall, every group reaction groove comprises groove and lower groove, described upper groove and lower groove setting up and down, Open Side Down for described upper groove, the opening upwards of described lower groove, the opening of described upper groove and the interleaved openings of described lower groove are arranged.
5. the microchannel reaction system according to any one of claim 2 to 4, is characterized in that: be provided with some for supporting the baffle plate that can carry out heat transmission simultaneously in described heat transfer fluid channels.
6. microchannel as claimed in claim 2 reaction system, it is characterized in that: have at least three preheating channels be communicated with described air transporting arrangement, described two liquid transporting apparatus respectively in described preheating mixed plate, described at least three preheating channel connectivity parts are provided with static mixer.
7. microchannel as claimed in claim 6 reaction system, it is characterized in that: in described preheating channel, be provided with micro-structural, described micro-structural is the some group reaction grooves be arranged on described conduit wall, every group reaction groove comprises groove and lower groove, described upper groove and lower groove setting up and down, Open Side Down for described upper groove, the opening upwards of described lower groove, and the opening of described upper groove and the interleaved openings of described lower groove are arranged.
8. microchannel as claimed in claim 1 reaction system, it is characterized in that: described liquid transporting apparatus is double injection pump, described air transporting arrangement is high pressure gas holder.
9. microchannel as claimed in claim 1 reaction system, is characterized in that: be provided with counterbalance valve between described sampler and described microchannel reaction unit.
10. microchannel as claimed in claim 1 reaction system, is characterized in that: described gas-liquid separation device is connected with gas collector and fluid collection device, is provided with counterbalance valve between described gas-liquid separation device and described gas collector.
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| CN201520051657.0U CN204447980U (en) | 2015-01-26 | 2015-01-26 | Microchannel reaction system |
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| CN201520051657.0U CN204447980U (en) | 2015-01-26 | 2015-01-26 | Microchannel reaction system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511264A (en) * | 2015-01-26 | 2015-04-15 | 深圳市一正科技有限公司 | Micro-channel reaction system |
| CN109966995A (en) * | 2019-04-26 | 2019-07-05 | 山东豪迈化工技术有限公司 | A kind of continuous flow Comprehensive Experiment skid-mounted device and method |
| CN114643029A (en) * | 2022-02-23 | 2022-06-21 | 深圳市一正科技有限公司 | Photoelectrochemical reaction device and continuous flow photoelectrochemical reaction system |
-
2015
- 2015-01-26 CN CN201520051657.0U patent/CN204447980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511264A (en) * | 2015-01-26 | 2015-04-15 | 深圳市一正科技有限公司 | Micro-channel reaction system |
| CN109966995A (en) * | 2019-04-26 | 2019-07-05 | 山东豪迈化工技术有限公司 | A kind of continuous flow Comprehensive Experiment skid-mounted device and method |
| CN114643029A (en) * | 2022-02-23 | 2022-06-21 | 深圳市一正科技有限公司 | Photoelectrochemical reaction device and continuous flow photoelectrochemical reaction system |
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Address after: 518101 B29, 2nd floor, Dongfang Yayuan, Baomin Second Road, Chentian Community, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Positive Science and Technology Ltd. of Shenzhen one Address before: 518101 Guangdong city of Shenzhen province Baoan District city Longjing District three two Road No. 59 foreign trade office building five floor C district (Office) Patentee before: Positive Science and Technology Ltd. of Shenzhen one |
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