CN213824721U - Pressure-bearing micro-reactor - Google Patents

Abstract

The utility model discloses a pressure-bearing micro-reactor, include: the mixed flow piece, the flow blocking piece and the cooling shell; a plurality of reaction chambers are arranged in the mixed flow piece; the flow blocking piece is correspondingly and eccentrically arranged in the reaction chamber, and a reaction flow channel is formed between the side wall of the flow blocking piece and the side wall of the reaction chamber; and a refrigerant cavity is arranged in the cooling shell, and a refrigerant channel which penetrates through the mixed flow piece and is communicated with the refrigerant cavity is arranged on the flow blocking piece. The micro-reactor can simultaneously improve the reaction rate and the cooling efficiency, and the reaction rate and the cooling efficiency can reach good balance.

Description

Pressure-bearing micro-reactor

Technical Field

The utility model relates to a fluid material mixed reaction technical field, in particular to pressure-bearing micro-reactor.

Background

The micro-reactor is a device used for mixing and reacting one or more fluid materials, and has the characteristics of compact and precise structure, uniform and efficient reaction, and the heat generated by the reaction cannot be conducted and dissipated in time because of pursuing efficient reaction rate of some existing micro-reactors, and the micro-reactors are easy to damage due to the precision of the micro-reactors; there are also microreactors in which the reaction flow channel is wide and the flow rate of the fluid material is slow to increase the cooling efficiency, resulting in a low reaction rate. In summary, existing microreactors do not achieve a good balance between reaction rate and cooling rate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pressure-bearing micro-reactor can improve reaction rate and cooling efficiency simultaneously, makes reaction rate and cooling efficiency reach good balance.

According to the utility model discloses pressure-bearing micro-reactor, include: the mixed flow piece, the flow blocking piece and the cooling shell; a pressure-bearing channel is arranged in the mixed flow piece, and the pressure-bearing channel is provided with a plurality of reaction chambers; the flow blocking piece is arranged in the reaction chamber correspondingly and eccentrically, and reaction flow channels with different widths are formed between the side wall of the flow blocking piece and the side wall of the reaction chamber; and a refrigerant cavity is arranged in the cooling shell, and a refrigerant channel which penetrates through the mixed flow piece and is communicated with the refrigerant cavity is arranged on the flow blocking piece.

According to the utility model discloses pressure-bearing microreactor has following beneficial effect at least: the flow blocking piece is arranged and eccentrically arranged in the reaction chamber, so that the width of each area of the reaction flow channel is different, the flow rate of the fluid material in each part of the reaction flow channel is different, namely the fluid material flows in the reaction flow channel at a non-uniform speed, irregular turbulence is easy to generate, the collision frequency of the fluid material is increased, and the reaction rate of the fluid material is improved; meanwhile, the coolant channel is arranged on the flow blocking piece, so that coolant fluid materials in the coolant cavity flow through the coolant channel, and heat generated by the reaction of the coolant fluid materials in the reaction channel is transferred to the coolant fluid materials in the coolant channel through the outer side wall of the flow blocking piece, so that efficient cooling is achieved, and the cooling efficiency of the reaction of the coolant fluid materials is effectively improved; by simultaneously improving the reaction rate and the cooling efficiency of the fluid material, the reaction rate and the cooling efficiency of the fluid material are well balanced, and the overall reaction performance of the microreactor is improved.

According to some embodiments of the utility model, the mixed flow piece includes mixed flow plate and apron, reaction chamber set up in the top surface of mixed flow plate, the apron can with the sealed lid of reaction chamber closes, the refrigerant passageway runs through the mixed flow plate with the apron. Through setting up the mixed flow board, conveniently process reaction chamber, the sealed lid of apron closes reaction chamber to guarantee reaction chamber's leakproofness.

According to some embodiments of the present invention, the number of the cooling casings is two, the flow mixing member is disposed between the two cooling casings, and the two cooling casings and the one flow mixing member form one reaction unit; the heat generated by the reaction of the reaction flow channel can be transferred into the refrigerant cavity of the cooling shell through the top wall and the bottom wall, so that the top wall and the bottom wall of the reaction flow channel can also effectively dissipate heat, and the cooling efficiency is further improved; a first feed inlet and a first discharge outlet which are communicated with the reaction chamber are arranged on the mixed flow piece and/or the cooling shell, a fluid material to be reacted enters the reaction flow channel from the first feed inlet, and the reacted fluid material flows out of the reaction flow channel from the first discharge outlet, so that the fluid material in the reaction chamber can effectively flow; the mixed flow piece and/or the cooling shell are/is provided with a second feeding hole and a second discharging hole which are communicated with the refrigerant cavity, and refrigerant fluid materials flow in from the second feeding hole and flow out from the second discharging hole, so that the flowability of the refrigerant fluid materials is ensured.

According to some embodiments of the utility model, the reaction unit sets up a plurality ofly, and is a plurality of the distribution is piled up in proper order along the upper and lower direction to the reaction unit, and is down nth from last the reaction unit first discharge gate and n +1 are reaction unit first feed inlet intercommunication, and n is more than or equal to 1, are favorable to improving the stroke of reaction flow channel, pile up the range from top to bottom simultaneously and can make the micro-reactor have the space utilization of preferred, improve the compact structure nature of micro-reactor.

According to some embodiments of the utility model, the reaction chamber with be provided with between the first discharge gate and slow down the flow passageway, slow flow passageway one end with the reaction chamber intercommunication, slow flow passageway the other end with first discharge gate intercommunication. Through setting up the unhurried current passageway, the minimum cross-sectional area of unhurried current passageway is greater than the maximum cross-sectional area of reaction runner, so can effectively slow down the velocity of flow of fluid material, reduces the pressure of fluid material at the unhurried current passageway, increases the dwell time and the area of contact of fluid material at the unhurried current passageway to increase the heat transfer area of fluid material, improve the cooling efficiency and the mixed effect of fluid material.

According to the utility model discloses a some embodiments, reaction chamber sets up to a plurality ofly, adjacent two reaction chamber intercommunication can effectively improve the stroke of reaction runner to improve reaction stroke and reaction time, make the fluid material obtain abundant reaction.

According to the utility model discloses a some embodiments, it is a plurality of reaction chamber arranges into multiunit column, multiunit along a certain direction the column is along transverse distribution, and is adjacent two sets of the column is end to end in proper order, based on this setting, can effectively utilize the space of mixed flow spare, improves reaction chamber's space occupancy and mixed flow spare's compact structure nature.

According to some embodiments of the utility model, adjacent two sets of be provided with between the column with the cooling that refrigerant chamber communicates separates the way. Through setting up the cooling partition way, make the lateral wall of reaction runner also have the radiating effect, the lateral wall through the reaction runner promptly transmits to the cooling partition way in, and the coolant fluid in the cooling partition way absorbs the reaction heat to further improve fluidic cooling efficiency.

According to some embodiments of the present invention, the flow blocking member is close to the rear of the reaction chamber, so that the front cross-sectional area of the reaction flow channel is larger than the rear cross-sectional area of the reaction flow channel, and therefore, when the fluid material in the reaction passes through the front position of the reaction flow channel with a larger cross-sectional area, the flow velocity can be properly slowed down, the collision frequency of the fluid material is reduced, the residence time of the fluid material is prolonged, the heat exchange efficiency of the fluid material is improved, and the cooling rate of the fluid material is improved; when the fluid material passes through the rear position of the reaction flow channel with the smaller cross-sectional area, the flow speed can be improved, the collision frequency of the fluid material is increased, and the reaction efficiency of the fluid material is improved.

According to some embodiments of the present invention, the wall surface of the reaction chamber is provided with the turbulence member, so that more turbulence can be generated in the flowing process of the fluid material, the collision frequency of the fluid material is increased, the fluid material is fully reacted, and the reaction efficiency of the fluid material is increased; the refrigerant intracavity is provided with the reinforcement, can strengthen the structural strength of refrigerant casing on the one hand, improves the biggest bearing capacity of refrigerant casing, and on the other hand can improve the heat transfer specific surface area of refrigerant fluid, improves cooling efficiency.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a pressure-bearing microreactor according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the pressure-bearing microreactor shown in FIG. 1;

FIG. 3 is a schematic view of a flow mixing plate of the pressure-bearing microreactor shown in FIG. 1;

FIG. 4 is an enlarged schematic view of area A shown in FIG. 3;

fig. 5 is a schematic diagram of a pressure-bearing microreactor according to another embodiment of the present invention;

FIG. 6 is a partially exploded schematic view of the pressure-containing microreactor shown in FIG. 5;

FIG. 7 is a fully exploded schematic view of the pressure-bearing microreactor shown in FIG. 5;

FIG. 8 is a schematic view of a flow mixing plate of the pressure-bearing microreactor shown in FIG. 5;

FIG. 9 is an enlarged schematic view of region B shown in FIG. 8;

FIG. 10 is a schematic view of a cooled housing of the pressure-bearing microreactor shown in FIG. 5;

fig. 11 is a schematic diagram of a pressure-bearing microreactor according to another embodiment of the present invention;

fig. 12 is a schematic view of a flow mixing plate of the pressure-bearing microreactor shown in fig. 11.

Reference numerals:

the flow mixing member 100, the flow mixing plate 110, the reaction chamber 111, the flow blocking member 112, the refrigerant channel 113, the reaction flow channel 114, the flow disturbing member 115, the slow flow channel 116, the flow dividing channel 117, the temperature measuring channel 118, the cover plate 120, the cooling housing 200, the refrigerant cavity 210, the cooling partition channel 220, the reinforcing member 230, the first feed inlet 310, the first feed outlet 320, the second feed inlet 410, the second feed outlet 420, the reaction unit 500, the first clamping plate 610, the feed avoiding opening 611, and the second clamping plate 620.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, fig. 2 and fig. 3, the pressure-bearing microreactor according to the embodiment of the present invention includes: the flow mixing member 100, the flow blocking member 112 and the cooling housing 200; a pressure-bearing channel is arranged in the mixed flow piece 100, and the pressure-bearing channel is provided with a plurality of reaction chambers 111; as shown in fig. 4, the flow blocking member 112 is disposed in the reaction chamber 111 in an eccentric manner, and a reaction flow channel 114 with different widths is formed between the sidewall of the flow blocking member 112 and the sidewall of the reaction chamber 111; a refrigerant cavity 210 is formed in the cooling housing 200, and a refrigerant passage 113 penetrating the flow mixing member 100 and communicating with the refrigerant cavity 210 is formed in the flow blocking member 112.

Specifically, by arranging the flow blocking member 112 and eccentrically arranging the flow blocking member in the reaction chamber 111, the widths of the regions of the reaction flow channel 114 are different, so that the flow rates of the fluid materials in the reaction flow channel 114 are different, that is, the fluid materials flow in the reaction flow channel at a non-uniform speed, irregular turbulence is easily generated, the collision frequency of the fluid materials is increased, and the reaction rate of the fluid materials is increased; meanwhile, the coolant channel 113 is arranged on the flow blocking piece 112, so that the coolant fluid material in the coolant cavity 210 flows through the coolant channel 113, and the heat generated by the reaction of the coolant fluid material in the reaction flow channel 114 is transferred to the coolant fluid material of the coolant channel 113 through the outer side wall of the flow blocking piece 112, thereby achieving efficient cooling and effectively improving the cooling efficiency of the reaction of the coolant fluid material; by simultaneously improving the reaction rate and the cooling efficiency of the fluid material, the reaction rate and the cooling efficiency of the fluid material are well balanced, and the overall reaction performance of the microreactor is improved.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, the flow mixing member 100 includes a flow mixing plate 110 and a cover plate 120, the reaction chamber 111 is disposed on the top surface of the flow mixing plate 110, the cover plate 120 can cover the reaction chamber 111 in a sealing manner, and the refrigerant channel 113 runs through the flow mixing plate 110 and the cover plate 120. Through setting up the mixed flow plate 110, conveniently process reaction chamber 111, the apron 120 seals to close to reaction chamber 111 to guarantee reaction chamber 111's leakproofness.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, two cooling shells 200 are provided, the mixed flow element 100 is provided between two cooling shells 200, two cooling shells 200 and one mixed flow element 100 form a reaction unit 500, heat generated by the reaction of the reaction flow channel 114 can be transferred into the cooling medium cavity 210 of the cooling shell 200 through the top wall and the bottom wall, so that the top wall and the bottom wall of the reaction flow channel 114 can also effectively dissipate heat, and the cooling efficiency is further improved; specifically, the flow mixer may be disposed between two cooling casings 200, and the flow mixer 100 and the cooling casings 200 may be fixed by diffusion welding or the like.

The mixed flow piece 100 is provided with a first feeding hole 310 and a first discharging hole 320 which are communicated with the reaction chamber 111, a fluid material to be reacted enters the reaction flow channel 114 from the first feeding hole 310, and a reacted fluid material flows out of the reaction flow channel 114 from the first discharging hole 320, so that the fluid material in the reaction chamber 111 can effectively flow; in other embodiments, as shown in fig. 6, 7 and 8, the first feeding hole 310 and the first discharging hole 320 may also be disposed on the cooling housing 200, and the first discharging hole 320 are communicated with the reaction chamber 111 by penetrating the cooling housing 200; in other embodiments, the first inlet 310 and the first outlet 320 may be respectively provided in multiple numbers, and may be simultaneously distributed on the flow mixing member 100 and the cooling housing 200, so as to facilitate the feeding, mixing reaction and discharging processes of multiple fluid materials. The specific arrangement positions and numbers of the first inlet 310 and the first outlet 320 may be designed according to the actual application requirements, and those skilled in the art can understand that the specific arrangement positions and numbers are not limited herein.

The mixed flow member 100 and/or the cooling shell 200 are provided with a second inlet 410 and a second outlet 420 which are communicated with the refrigerant cavity 210, and the refrigerant fluid material flows in from the second inlet 410 and flows out from the second outlet 420, so that the fluidity of the refrigerant fluid material is ensured. Similarly, the second inlet 410 and the second outlet 420 may also be distributed on the flow mixing member 100 and/or the cooling housing 200, and the specific arrangement position and number of the second inlet 410 and the second outlet 420 may be designed accordingly according to the actual application requirement, and those skilled in the art can understand that the present invention is not limited thereto.

In some embodiments of the present invention, as shown in fig. 5 and fig. 6, the reaction units 500 are four, four reaction units 500 are stacked and distributed in the up-down direction, the first discharge port 320 of the nth reaction unit 500 is communicated with the first feed port 310 of the (n + 1) th reaction unit 500 from the top, and n is greater than or equal to 1, which is beneficial to improving the stroke of the reaction flow channel 114, and the arrangement of stacking up and down can make the micro-reactor have a better space utilization ratio, thereby improving the compactness of the micro-reactor. In other embodiments, the number of the reaction units 500 may also be two, three, or more than four, and the number of the reaction units 500 may be set according to the actual application requirement, and those skilled in the art can understand that the number is not limited herein.

Further, as shown in fig. 5 and 6, after the four reaction units 500 are stacked, the four reaction units 500 are clamped and fixed by a first clamping plate 610 and a second clamping plate 620, in addition, a feeding avoiding opening 611 communicated with the first feeding hole 310 of the topmost reaction unit 500 is arranged on the top surface of the first clamping plate 610 to ensure the input of the fluid material, and a discharging avoiding opening communicated with the first discharging hole 320 of the bottommost reaction unit 500 is arranged on the bottom surface of the second clamping plate 620 to ensure the output of the fluid material.

In practical applications, the flow mixing member 100 and the cooling housing 200 may be made of metal, plastic or ceramic material. Therefore, the material of the micro-reactor, especially the mixed flow member 100, can be determined according to the specific properties of the fluid, so that the micro-reactor can adapt to and deliver more diversified fluids. Specifically, for example, titanium, zirconium, tantalum, PTFE, PEEK, carbon fiber, glass, carbon steel, C4 stainless steel, 2205 double molybdenum stainless steel, nickel-based 625 stainless steel, hastelloy C276, hastelloy B, hastelloy C2000, PET, zirconia, silicon nitride, silicon carbide, graphite, graphene, copper, silver, aluminum, or the like. In practical application, the processing method of the mixer can adopt the modes of 3D printing, diffusion welding, conventional welding and the like for processing and assembling.

If the microreactor is made of a plastic material, the forming cost is lower, the production efficiency is effectively improved, and meanwhile, the plastic material is light in weight and is more convenient to carry and transport; if the microreactor is made of metal materials, the maximum bearing pressure of the mixed flow piece 100 and the overall structural stability of the mixer can be improved, so that fluid with larger flow can be conveyed; if the micro-reactor is made of ceramic materials, the micro-reactor is not easy to be eroded by fluid due to the inert property of the ceramic, thereby effectively prolonging the service life of the mixer and facilitating the cleaning and maintenance of the internal flow channel. In addition, in some embodiments, no matter metal material or plastics material, the blender can both be through 3D printer rapid prototyping, improves production efficiency.

For example, in fig. 11 and 12, in the same reaction unit 500, the flow mixing plate 110 and the cover plate 120 are both made of SSiC material, and they can be fixed by diffusion welding, which has a seamless joint effect, and the two SSiC plates are welded together, so that the pressure-bearing fluid has good sealing performance; the cooling shells 200 on the upper and lower end surfaces of the flow mixer 100 can be made of 304 stainless steel, and the two cooling shells 200 can be fixed by fasteners such as bolts and nuts, so that the two cooling shells 200 clamp and fix the flow mixer 100 in the middle, and the structural connection strength of the reaction unit 500 is further improved.

In some embodiments of the present invention, as shown in fig. 8, a slow flow channel 116 is disposed between the reaction chamber 111 and the first discharge port 320, one end of the slow flow channel 116 is communicated with the reaction chamber 111, and the other end of the slow flow channel 116 is communicated with the first discharge port 320. By arranging the slow flow passage 116, the minimum cross-sectional area of the slow flow passage 116 is larger than the maximum cross-sectional area of the reaction flow channel 114, so that the flow speed of the fluid material can be effectively reduced, the pressure of the fluid material in the slow flow passage 116 is reduced, the detention time and the contact area of the fluid material in the slow flow passage 116 are increased, the heat exchange area of the fluid material is increased, and the cooling efficiency and the mixing effect of the fluid material are improved.

In some embodiments of the present invention, as shown in fig. 3 and fig. 8, the reaction chambers 111 are disposed in a plurality of, and two adjacent reaction chambers 111 are connected to each other, so as to effectively improve the stroke of the reaction flow channel 114, thereby improving the reaction stroke and the reaction time, and making the fluid material fully react. In some embodiments, the reaction chambers 111 are configured as one chamber to meet the requirement of the reaction of the fluid material, so the number of the reaction chambers 111 can be set according to the actual requirement, and those skilled in the art can understand that the number is not limited herein.

In some embodiments of the present invention, as shown in fig. 3 and fig. 8, a plurality of reaction chambers 111 are arranged in a plurality of longitudinal columns along a certain direction, the longitudinal columns of the plurality of longitudinal columns are distributed along a transverse direction, and two adjacent longitudinal columns are sequentially connected end to end, so that the space of the mixed flow member 100 can be effectively utilized, and the space occupancy rate of the reaction chambers 111 and the structural compactness of the mixed flow member 100 are improved.

It will be appreciated that in other embodiments, a plurality of reaction chambers 111 may be arranged along the top surface of the flow mixing plate 110 in a spiral manner, which may also improve the stroke of the reaction flow channel 114, allow the reaction of the fluid material to proceed fully, and improve the space utilization of the flow mixing plate 110, thereby improving the compactness of the flow mixing plate 110.

Further, in some embodiments of the present invention, as shown in fig. 7, a diversion channel 117 is disposed between the reaction chamber 111 and the first feeding hole 310 for feeding a plurality of columns simultaneously, so as to improve feeding efficiency. For example, in fig. 7, three first feed ports 310 are disposed on the flow mixing member 100, wherein one first feed port 310 feeds two adjacent columns through the flow dividing channel 117, and the two first feed ports 310 feed the outer columns, so that the pressure-bearing capacity of the fluid material fed from the outer columns is higher, and the pressure-bearing capacity of the fluid material fed from the flow dividing channel 117 is lower, so that the fluid material fed from several columns can flow in the original serial direction of end-to-end connection, and the material fed from the flow dividing channel 117 can be flushed with the material fed from the outer columns, thereby improving the mixing reaction efficiency.

In some embodiments of the present invention, as shown in fig. 2 and 3, a cooling channel 220 is disposed between two adjacent columns and is communicated with the cooling medium cavity 210. By arranging the cooling partition 220, the side wall of the reaction channel 114 also has a heat dissipation effect, that is, the reaction heat is transferred into the cooling partition 220 through the side wall of the reaction channel 114, and the refrigerant fluid in the cooling partition 220 absorbs the reaction heat, thereby further improving the cooling efficiency of the fluid. In fig. 3, the overall shape of the reaction chamber 111 is circular, and the outer sidewall of the reaction chamber 111 is equal to the sidewall of the cooling channel 220, that is, the sidewall of the cooling channel 220 is arc-shaped, so that the heat exchange specific surface area of the cooling channel 220 can be increased, and the heat exchange area of the cooling liquid can be increased, thereby further increasing the cooling efficiency. In some embodiments, as shown in fig. 8 and 9, the cooling channels 220 may be further disposed in a plurality of oval shapes and distributed along the length direction of the columns, so as to further increase the heat exchange specific surface area of the cooling channels 220 and improve the cooling efficiency, and in addition, as shown in fig. 8 and 9, the cooling channels 220 may be distributed on one side of a plurality of end-to-end slow flow channels 116 besides being distributed between two adjacent columns, so as to simultaneously and effectively cool the fluid material in the slow flow channels 116.

In some embodiments of the present invention, as shown in fig. 4 and 9, the flow blocking member 112 is close to the rear of the reaction chamber 111, so that the front cross-sectional area of the reaction flow channel 114 is larger than the rear cross-sectional area of the reaction flow channel 114, thereby when the fluid material in the reaction passes through the front position of the reaction flow channel 114 with a larger cross-sectional area, the flow speed can be properly slowed down, the collision frequency of the fluid material can be reduced, the residence time of the fluid material can be prolonged, the heat exchange efficiency of the fluid material can be improved, and the cooling rate of the fluid material can be improved; when the fluid material passes through the rear position of the reaction flow channel 114 with a smaller cross-sectional area, the flow speed can be increased, the collision frequency of the fluid material is increased, and the reaction efficiency of the fluid material is improved.

Wherein, for the front and the rear of the reaction flow channel 114, along the overall flowing direction of the fluid, the direction of the fluid flowing into the reaction flow channel 114 first is the front, i.e. near the inlet of the reaction chamber 111; the fluid then exits the reaction channel 114 in a rearward orientation, i.e., near the outlet of the reaction chamber 111.

In addition, the shape of the flow blocking member 112 may be circular as shown in fig. 3, or may be circular triangle as shown in fig. 8, or may be oval, triangular, square, prismatic, etc., and the flow blocking member 112 with various shapes may block and disturb the fluid material, promote turbulence of the fluid material, and improve collision frequency and reaction efficiency of the fluid material.

For example, in fig. 9, the flow blocking member 112 is in the shape of an arc triangle, a transition flow channel is arranged between two adjacent reaction flow channels 114, the reaction chambers 111 are divided by the flow blocking member 112 to form annular reaction flow channels 114, the reaction flow channels 114 on two sides of the flow blocking member 112 converge at the rear of the reaction chambers 111 to form T-shaped collision points, so as to improve the collision force of the fluid material, and then the fluid material flows to the next reaction chamber 111; in addition, the width of the transition flow channel is 3/4-1/10 of the width dimension of the flow channel behind the reaction chamber 111, so that the fluid material has different flow velocities among different flow channels, the material fluid can keep flowing at a non-uniform velocity, and the efficiency of the mixing reaction is improved.

In some embodiments of the present invention, as shown in fig. 3, the wall of the reaction chamber 111 is provided with the spoiler 115, which can generate more turbulence in the flowing process of the fluid material, thereby increasing the collision frequency of the fluid material, further fully reacting the fluid material, and increasing the reaction efficiency of the fluid material; as shown in fig. 10, the reinforcing member 230 is disposed in the refrigerant cavity 210, so as to enhance the structural strength of the refrigerant housing and increase the maximum bearing capacity of the refrigerant housing, and to increase the heat exchange specific surface area of the refrigerant fluid and increase the cooling efficiency. The reinforcing member 230 may be formed in a rib shape, and has a simple structure, and is easy to process, and the structural strength of the cooling housing 200 may be improved at a low processing cost.

The utility model discloses an in some embodiments, as shown in FIG. 3, still be provided with the temperature measurement passageway 118 with reaction cavity 111 intercommunication on the mixed flow plate 110, the lateral wall of mixed flow plate 110 is run through to the one end of temperature measurement passageway 118, can settle the thermoscope in the temperature measurement passageway 118, the thermoscope stretches into and plugs up temperature measurement passageway 118 from the one end of temperature measurement passageway 118, prevent that the fluid material from flowing out from temperature measurement passageway 118, the fluid material is when temperature measurement passageway 118, the thermoscope can carry out real-time temperature measurement to the fluid material, thereby implement real time monitoring to reaction temperature, guarantee the security of reactor.

In some embodiments of the present invention, as shown in fig. 12, the depths of the reaction flow channels 114 formed by the different reaction chambers 111 and the flow blocking members 112 are different from each other, and the depths of the different parts of the same reaction chamber 111 and the reaction flow channel 114 formed by the flow blocking members 112 are different from each other, so that the reaction flow channels 114 of the above embodiments are combined to form the reaction flow channels 114 with different widths and different depths, so that the fluid material can flow in the reaction flow channel 114 at a non-uniform speed, and the efficiency and quality of the reaction and the mixing can be further improved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (10)

1. A pressure-bearing microreactor, comprising:

the mixed flow piece (100), the mixed flow piece (100) is internally provided with a pressure-bearing channel, and the pressure-bearing channel is provided with a plurality of reaction chambers (111);

the flow blocking pieces (112) are correspondingly and eccentrically arranged in the reaction chamber (111), and reaction flow channels (114) with different widths are formed between the side walls of the flow blocking pieces (112) and the side walls of the reaction chamber (111);

the cooling device comprises a cooling shell (200), wherein a refrigerant cavity (210) is formed in the cooling shell (200), and a refrigerant channel (113) which penetrates through the mixed flow piece (100) and is communicated with the refrigerant cavity (210) is formed in the flow blocking piece (112).

2. The pressure-bearing microreactor of claim 1,

the mixed flow piece (100) comprises a mixed flow plate (110) and a cover plate (120), the reaction chamber (111) is arranged on the top surface of the mixed flow plate (110), the cover plate (120) can seal and cover the reaction chamber (111), and the refrigerant channel (113) penetrates through the mixed flow plate (110) and the cover plate (120).

3. Pressure-bearing microreactor according to claim 1 or 2,

the number of the cooling shells (200) is two, the mixed flow piece (100) is arranged between the two cooling shells (200), and the two cooling shells (200) and the mixed flow piece (100) form a reaction unit (500);

a first feed inlet (310) and a first discharge outlet (320) which are communicated with the reaction chamber (111) are arranged on the mixed flow piece (100) and/or the cooling shell (200);

the mixed flow piece (100) and/or the cooling shell (200) are/is provided with a second feeding hole (410) and a second discharging hole (420) which are communicated with the refrigerant cavity (210).

4. The pressure-bearing microreactor of claim 3,

the reaction units (500) are arranged in a plurality, the reaction units (500) are sequentially stacked and distributed along the vertical direction, the first discharge hole (320) of the nth reaction unit (500) is communicated with the first feed hole (310) of the (n + 1) th reaction unit (500), and n is larger than or equal to 1.

5. The pressure-bearing microreactor of claim 3,

a slow flow channel (116) is arranged between the reaction chamber (111) and the first discharge hole (320), one end of the slow flow channel (116) is communicated with the reaction chamber (111), the other end of the slow flow channel (116) is communicated with the first discharge hole (320), and the minimum cross-sectional area of the slow flow channel (116) is larger than the maximum cross-sectional area of the reaction flow channel (114).

6. Pressure-bearing microreactor according to claim 1 or 2,

the reaction chambers (111) are arranged in a plurality, and two adjacent reaction chambers (111) are communicated.

7. The pressure-bearing microreactor of claim 6,

the reaction chambers (111) are arranged into a plurality of groups of columns along a certain direction, the plurality of groups of columns are distributed along the transverse direction, and two adjacent groups of columns are sequentially connected end to end.

8. The pressure-bearing microreactor of claim 7,

and a cooling partition (220) communicated with the refrigerant cavity (210) is arranged between the two adjacent longitudinal columns.

9. Pressure-bearing microreactor according to claim 1 or 2,

the baffle (112) is close to the rear of the reaction chamber (111).

10. Pressure-bearing microreactor according to claim 1 or 2,

the wall surface of the reaction chamber (111) is provided with a flow disturbing piece (115).

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