KR20090043439A - Substrate and micro reactor comprising the same - Google Patents

Abstract

The present invention relates to a substrate and a micro-reactor comprising the same, and more particularly, a plurality of first channels and a plurality of first channels extending to the slot and the first fluid flow therein and extending to the slot and a second therein. A substrate having a plurality of second channels through which fluid flows, wherein a second channel is positioned between two adjacent first channels such that the first fluid and the second fluid in turn form a reaction interface within the slot. The micro-reactor according to the present invention has excellent mixing efficiency by inducing an interfacial reaction of a checkered shape.

Channel, mixing, interfacial, micro-reactor, substrate

Description

Substrate and micro reactor comprising the same

The present invention relates to a substrate and a micro reactor including the same, and more particularly, to achieve rapid mixing of fluid phases by diffusion, and to be used even when the processing capacity is high due to low pressure loss. It relates to a micro reactor excellent in mixing efficiency by inducing.

Generally In the micro reactor, a plurality of micro channels having a width of several micrometers to several hundred micrometers are formed, and a mixing space connected to the micro channels is provided.

In such a micro reactor, a plurality of solutions are introduced into the mixing space through the plurality of micro channels, respectively, and the plurality of solutions are mixed in the mixing space.

The mixing reaction by the micro reactor is different from the conventional batch method using a flask or the like in the following points.

In the liquid phase chemical reaction, the more the two fluids are mixed well, the faster the reaction occurs.When the reaction is carried out in a micro space, the fluid is finely divided, and the area of the interface is relatively large, so that the two fluids are mixed very well and react. The efficiency is increased.

In addition, even if the reaction solution is not actively mixed, mixing is achieved by diffusion at the interface.

Such a micro reactor is capable of high speed mixing, precise temperature control, and control of the residence time of the reaction solution.

Due to the above advantages, the research on the micro-reactor has recently been actively conducted, and various methods for increasing the reaction interface have been introduced.

Korean Laid-Open Patent Publication No. 2005-0085236 discloses a configuration of forming channels of various shapes on a plate and combining slot plates in order to increase reaction efficiency. Complicated, rather, there was a problem that the reaction efficiency is lowered by the resulting pressure loss.

The present invention is to solve the above problems, it is an object of the present invention to provide a substrate in which a channel through which the reaction fluid and the mixing portion is formed integrally.

Another object of the present invention is to provide a micro reactor for forming a checkered interface in order to increase the mixing efficiency.

In order to achieve the above object of the present invention,

According to an aspect of the present invention, a plurality of first channels extending to a slot and the slot and the first fluid flows therein and a plurality of second channels extending to the slot and the second fluid flowing therein are The formed substrate is provided.

According to another aspect of the invention, the first and second inlet port and the discharge port are formed respectively; And one or more substrates installed in a stacked state in the housing.

At this time, each of the substrate is formed in the slot and the plurality of first channels extending to the slot therein and the first fluid flows therein and the plurality of second channels extending to the slot and the second fluid flows therein, Preferably, the second channel is positioned between two adjacent first channels such that the first fluid and the second fluid in turn form a reaction interface within the slot.

According to another embodiment of the invention, the first and second inlet port and the discharge port are formed respectively; And a first substrate and a second substrate disposed in the housing at predetermined intervals.

In this case, a plurality of first channels are formed on the first substrate, and the second channel is formed between the two adjacent first channels on the second substrate, respectively.

The first fluid passing through the first inlet port and the first channel in turn and the second fluid passing through the second inlet port and the second channel in turn form a reaction interface in the space between the first substrate and the second substrate. desirable.

As described above, the substrate and the micro-reactor including the same according to the present invention are used even when the processing capacity is low due to the low pressure loss, and excellent mixing efficiency by inducing the reaction surface of the checkered shape.

Hereinafter, a substrate and a micro reactor including the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings show exemplary forms of the present invention, which are provided to explain the present invention in more detail, and the technical scope of the present invention is not limited thereto.

1 is a perspective view showing a substrate according to an embodiment of the present invention, Figure 2 is a side view of the substrate shown in FIG.

In the present embodiment, it is preferable that a plurality of first channels 110 and second channels 120 are formed in the substrate 100, and slots 130 penetrating through a central portion thereof are formed.

Preferably, the first channel 110 extends from one side end of the substrate to the slot 130, and a first fluid flows inside the first channel 110.

Preferably, the second channel 120 extends from the other end of the substrate to the slot 130, and a second fluid flows inside the second channel 120.

In this case, the second channel 120 may be formed to correspond to each other between the two first channels 110.

In one embodiment of the present invention, the first fluid and the second fluid refer to different fluids to be mixed.

The first and second channels are preferably formed in a straight or streamlined form. The two channels can be distinguished according to the use, and in the case of a straight line functionally, the fluids have the same linear velocity regardless of the position to achieve uniform mixing. In the streamlined form, the inner and outer velocities are different, which is more likely to mix the first and subsequent fluids.

The substrate 100 may be generally made of a material having strong durability and corrosion resistance, and particularly preferably made of stainless steel or hastelloy.

The size of the substrate, the distance between the channels, the number of channels, the width of the channel and the depth of the channel are preferably selected in consideration of the processing capacity.

The substrate according to an embodiment of the present invention may be formed in a size of 10mm ⅹ 20mm, each channel may be formed of a width of 20㎛ ~ 100㎛, the length to the slot is formed of 350 ~ 450㎛ The depth of the channel may be formed to 100 ~ 200㎛, the interval between the channels may be formed to 20㎛ ~ 100㎛. At this time, when the width of the channel increases, the distance between the channels also increases according to the size of the corresponding channel.

Moreover, it is preferable that the width | variety of the slot formed in the center part is 100 micrometers-2000 micrometers. If the width of the slot is smaller than the above value, a lot of pressure is applied at a high flow rate (pressure loss occurs), and if the width of the slot is larger than the above value, the slot is not properly mixed with the first and second fluids. The mixing force between the fluids can be reduced.

Figure 3 is a perspective view showing a laminated structure of the substrate according to the present invention, Figure 4 is a schematic perspective view of a micro reactor according to an embodiment of the present invention, Figure 5 is an interface occurring in the slot of the micro reactor shown in Figure 4 Conceptual diagram of reaction.

In the micro-reactor 300 according to an embodiment of the present invention, when stacking a plurality of substrates, an interfacial reaction is performed in a process in which first and second fluids are introduced into channels formed in each substrate and pass through slots. Pass through the slots of the substrate located on the top sequentially.

In one embodiment of the present invention, the flow in the channel and the flow in the slot are preferably in a vertical (perpendicular) state.

The continuous inlet pressure into each channel forms upstream of the first and second fluids in the slots in the center.

In this case, in order to increase the number of reaction interfaces, when stacking a plurality of substrates, it is preferable that each substrate is stacked in a state in which the adjacent substrates have a symmetrical structure.

That is, each substrate is preferably stacked in a state having a left-right symmetrical structure around the adjacent substrate and the slot in the center portion.

As shown in FIG. 3, the lower portion of the first substrate 100-1 may include the first fluid 10 and the second fluid 20 in the first channel 110-1 and the second channel 120-1. ) Flows, and a plurality of reaction interfaces of the first fluid and the second fluid are formed in the slot 130-1 at the center in the longitudinal direction of the slot.

In the middle of the second substrate 100-2, the first fluid 10 and the second fluid 20 flow in the second channel 120-2 and the first channel 110-2, respectively, and the slots in the center portion thereof. At 130-2, a plurality of reaction interfaces of the first fluid and the second fluid are formed in the longitudinal direction of the slot.

In this case, the first and second substrates 100-1 and 100-2 are formed in a left-right symmetrical structure with the slots in the center of the first substrate 100-1 and the second substrate 100-2 passing through the slots formed in the center of the first substrate. The first fluid to form a reaction interface up and down with the second fluid passing through the slot formed in the center portion of the second substrate and sequentially passes through the slot of the second substrate.

In addition, the third substrate 100-3 disposed in the upper portion has the first channel 110-3 and the second symmetrical structure with the second substrate 100-2 with the slot 130-3 formed at the center thereof as a center. Since the channel 120-3 is formed, a reaction interface between the first fluid and the second fluid is formed above and below the stacked slots.

5 is a conceptual diagram of a first fluid 10 and a second fluid 20 forming a reaction interface in a slot of a plurality of stacked substrates.

As shown in FIG. 5, since the first and second fluids have checkered reaction surfaces in the longitudinal direction and the height direction of the slot, the number of the reaction surfaces is increased to increase the reaction efficiency.

In the exemplary embodiment of the present invention, the plurality of substrates described above are preferably stacked in the housing 200.

The housing 200 includes a mounting part 220 in which the substrate is accommodated; Diffusion parts 214 and 216 extending to both sides of the mounting part; And inlet ports 212 and 222 extending from the diffusion portion, wherein the diffusion portions 214 and 216 preferably have a tapered surface.

The mounting unit 220, the diffusion units 214 and 216, and the inlet ports 212 and 222 are configured to communicate with each other so that the fluid introduced into the inlet ports 212 and 222 passes through the diffusion unit to a plurality of substrates stacked on the mounting unit. To reach.

At this time, the diffusion portion is preferably formed so that the cross-sectional area gradually increases from the inlet to the mounting portion.

Therefore, the first fluid 10 and the second fluid 20 are introduced into the first inlet port 222 and the second inlet port 212 on both sides, respectively, and are stacked while passing through the diffusion parts 216 and 214. Flows into each channel.

In this case, as shown in FIGS. 3 and 4, the fluid flows into the first channel and the second channel of each stacked substrate, and the interfacial reaction of the first fluid and the second fluid in the process of passing through the slot in the center part is performed. It is made, and after passing through the slot of the substrate located in the upper portion is discharged to the outside through the discharge port 240 formed on the housing.

At this time, it is preferable that a slot 230 communicating with the discharge port is formed in the lower portion of the discharge port 240 in the upper part of the housing 200, and the slot 230 has a slot formed in the center of the substrate stacked in the housing; It is preferably formed to correspond.

6 is a perspective view showing a substrate according to another embodiment of the present invention, Figure 7 is a schematic perspective view of a micro reactor according to another embodiment of the present invention.

6 and 7, a microreactor according to another embodiment of the present invention includes a housing 500 and a housing 500 in which first and second inlet ports and outlet ports (not shown) are formed, respectively. The first substrate 410 and the second substrate 420 are disposed at a predetermined interval d.

Here, the housing 500 has the first and the second inlet port and the discharge port (not shown) are formed in the same manner as the housing 200 described with reference to Figure 4, the first substrate and the second disposed in the housing The apparatus may further include means for maintaining a predetermined distance d between the substrates.

As shown in FIG. 7, the gap maintaining means may be a spacer 600 disposed in the housing 500 to maintain a gap between the first substrate and the second substrate.

When the gap maintaining means is a spacer, a groove for fixing the spacer 600 may exist on the bottom surface of the housing 500, and the spacer 600 having a predetermined thickness d may be mounted thereon to form a first groove. The substrate and the second substrate can be arranged at regular intervals d.

A plurality of first channels 411 are formed on the first substrate 410, and a second channel 401 is formed on the second substrate 400 between two adjacent first channels 411. do.

The materials and the widths of the channels of the substrates 400 and 410 may be the same as those of the substrate 100 described with reference to FIGS. 1 and 4.

On the other hand, the interval between the first substrate 410 and the second substrate 400 is preferably 100㎛ ~ 2000㎛, the interval corresponds to the interval of the slot 130 of the substrate 100 described above.

In the micro reactor configured as described above, the first fluid 10 sequentially passed through the first inlet port and the first channel 411 and the second fluid 20 sequentially passed through the second inlet port and the second channel 401 are The reaction interface is sequentially formed in the space between the first substrate 410 and the second substrate 400.

That is, in the microreactor described with reference to FIGS. 1 to 4, a slot is formed in one substrate to form a mixing space of the first fluid and the second fluid. In the microreactor described with reference to FIGS. 6 and 7, the first substrate is used. The space between the second substrate and the second substrate forms a mixing space of the first fluid and the second fluid.

In FIG. 7, a plurality of substrates are stacked, but the present invention is not limited thereto, and a plurality of first substrates may be stacked in the housing 500, and a plurality of second substrates may be stacked.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art having various ordinary knowledge of the present invention may make various modifications, changes, and additions within the spirit and scope of the present invention. And additions should be considered to be within the scope of the following claims.

1 is a perspective view showing a substrate according to the present invention.

FIG. 2 is a side view of the substrate shown in FIG. 1. FIG.

3 is a perspective view showing a laminated structure of a substrate according to the present invention.

4 is a schematic perspective view of a micro reactor according to one embodiment of the invention.

FIG. 5 is a conceptual diagram of an interfacial reaction occurring in a slot of the microreactor shown in FIG. 4. FIG.

6 is a perspective view showing a substrate according to another embodiment of the present invention.

7 is a schematic perspective view of a micro reactor according to another embodiment of the present invention.

Claims (11)

A plurality of first channels extending to the slot and the slot and having a first fluid flowing therein and a plurality of second channels extending to the slot and having a second fluid flowing therein, And a second channel is positioned between two adjacent first channels. The method of claim 1, And the channel extends in a straight line. The method of claim 1, The slot is a substrate, characterized in that the width 100㎛ ~ 2000㎛. A housing having first and second inlet and outlet ports respectively formed thereon; And at least one substrate installed in a laminated state in the housing, Each of the substrates has a slot and a plurality of first channels extending to the slot and having a first fluid flowing therein, and a plurality of second channels extending to the slot and having a second fluid flowing therein; Wherein each substrate is positioned between two adjacent first channels such that the first fluid and the second fluid in turn form a reaction interface within the slot. The method of claim 4, wherein Wherein each of the substrates is stacked in a symmetrical structure with adjacent substrates so that the first fluid and the second fluid form a vertical reaction interface in the slots of the upper substrate and the lower substrate. The method of claim 5, wherein The first and second fluids passing through the first and second channels, respectively, are mixed in the process of passing through the slots, and are sequentially discharged through the discharge port after sequentially passing through the slots of the substrate located above or below. Micro reactor. The method of claim 6, The flow of each fluid in the slots and the flow of each fluid in each channel is at a right angle. The method of claim 4, wherein The housing includes a mounting portion that accommodates the substrate, a diffusion portion extending to both sides of the mounting portion and an inlet port extending from the diffusion portion, The diffusion unit comprises a tapered surface. A housing having first and second inlet and outlet ports respectively formed thereon; A first substrate and a second substrate disposed in the housing at predetermined intervals; Including, A plurality of first channels are formed on the first substrate, and a second channel is formed between the two adjacent first channels on the second substrate, respectively. The first fluid passing through the first inlet port and the first channel in turn and the second fluid passing through the second inlet port and the second channel in turn form a reaction interface in the space between the first substrate and the second substrate. Characterized by a micro reactor. The method of claim 9, Micro reactor further comprises a spacer for adjusting and maintaining the distance between the first substrate and the second substrate. The method of claim 9, The micro-reactor characterized in that the interval between the first substrate and the second substrate is 100㎛ ~ 2000㎛.

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