CN115920798A - Can dismantle mixed core microreactor of range upon range of formula fish scale formula distribution hole - Google Patents
Can dismantle mixed core microreactor of range upon range of formula fish scale formula distribution hole Download PDFInfo
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- CN115920798A CN115920798A CN202211517173.1A CN202211517173A CN115920798A CN 115920798 A CN115920798 A CN 115920798A CN 202211517173 A CN202211517173 A CN 202211517173A CN 115920798 A CN115920798 A CN 115920798A
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Abstract
The invention discloses a mixing core microreactor with detachable stacked fish scale type distribution holes, which comprises an outer sleeve in the shape of a rectangular flat pipe and a plurality of layers of stacked rectangular fish scales Kong Chapian plugged into an inner cavity of the outer sleeve, wherein two ends of the outer sleeve are plugged by sealing heads, a plurality of convex or/and concave holes are regularly formed in a rectangular fish scale hole inserting sheet according to fish scale distribution, and the area of the hole in the rectangular fish scale Kong Chapian accounts for 20-85% of the area of the whole rectangular fish scale hole inserting sheet. Compared with a tubular channel, the rectangular flat channel of the inner cavity of the outer sleeve has larger specific surface area, and obviously improves the heat exchange performance of the process in the microreactor, the mixing core of the detachable laminated fish scale type distribution holes can be inserted into the rectangular flat tube microchannel in a staggered and overlapped mode, the inclined insertion holes effectively promote the mixing and heat exchange effects of internal fluid, the mixing core is convenient to assemble, disassemble and replace, and the convenience of cleaning and maintaining equipment is enhanced.
Description
Technical Field
The invention relates to the technical field of microreactors, in particular to a mixing core microreactor with detachable stacked fish scale distribution holes.
Background
Microreactors are capable of performing chemical reactions over length scales of tens to hundreds of millimeters, with microchannels being the most typical structure. The mixing core in the microchannel is a core component of the microreactor, and can obviously improve the mixing performance of the microreactor, thereby improving the reaction effect of the microreactor. In recent years, in consideration of necessity and convenience of maintenance of actual products, a microreactor including a detachable mixing cartridge has become the mainstream and is widely applied to the biomedical and fine chemical industries. Most of the existing detachable mixing cores are designed for a sleeve type microchannel reactor, such as chinese patents CN215540778U, CN215917350U and CN 215842929U; few rectangular flat tube microchannel reactors have been reported in the literature. At present, the structure of a single-layer micro-reactor is relatively complex, and the aim of mixing reaction is achieved mainly by the change of the angle or the drift diameter of a micro-channel, so that the traditional mixing core part is difficult to clean and disassemble.
In conclusion, the market urgently needs to develop a mixing core which can achieve mixing through a detachable stacked inserting piece, so that the problems that the mixing heat exchange is insufficient, a micro-channel is blocked and is not easy to clean or the mixing core is difficult to replace are solved.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a mixing core micro-reactor with detachable stacked fish scale type distribution holes, which solves the problems of complex structure, inconvenient detachment, unsatisfactory liquid mixing effect and the like of a mixing core.
The invention provides a mixed core micro-reactor with detachable stacked fish scale type distribution holes, which comprises an outer sleeve in the shape of a rectangular flat pipe and a plurality of layers of stacked rectangular fish scales Kong Chapian plugged into an inner cavity of the outer sleeve, wherein two ends of the outer sleeve are plugged by seal heads, a sealing gasket is padded at a contact position between each seal head and the outer sleeve and is fixed on the outer sleeve by screws, a plurality of convex or/and concave openings are regularly formed in the rectangular fish scale hole insert sheet according to fish scales or similar distribution, and the area of the opening in the rectangular fish scale Kong Chapian accounts for 20-85% of the area of the whole rectangular fish scale hole insert sheet.
In other embodiments of the present invention, the opening is in the shape of one of a crocodile mouth hole, a fish scale hole, a louver hole, a triangular hole and a circular truncated cone-shaped bulging hole;
the crocodile mouth hole is an opening hole with protrusions and recesses distributed in a staggered mode.
In some embodiments of the present invention, a middle area surrounded by the two adjacent openings is an opening abutting area, the opening protruding from the upper surface of the rectangular scale Kong Chapian in the lower layer abuts against the lower surface of the opening abutting area on the rectangular scale hole insertion sheet in the upper layer, or the opening recessed from the lower surface of the rectangular scale Kong Chapian in the upper layer abuts against the upper surface of the opening abutting area on the rectangular scale hole insertion sheet in the lower layer.
In some embodiments of the invention, the holes of the openings are oriented at an angle of 0-90 ° to the plane of the rectangular fish scales Kong Chapian.
In other embodiments of the invention, the ratio of the sum of the cross-sectional areas of the openings of all the holes on the same rectangular fish scale hole inserting sheet to the surface area of the rectangular fish scale Kong Chapian is 1:2-20.
In other embodiments of the invention, the number of the stacked rectangular fish scales Kong Chapian inserted into each outer sleeve is not less than 3, the sum of the total thicknesses of the stacked rectangular fish scale hole inserts is 1-10% smaller than the height of an inner cavity of each outer sleeve, the smaller height is smaller than the thickness of one rectangular fish scale hole insert, and the ratio of the height to the width of the inner cavity of each outer sleeve is 1:2-20.
In other embodiments of the present invention, the rectangular fish scales Kong Chapian have a single layer thickness of 0.1-5mm, a width of 5-50mm, and a length of 50-1500 mm.
In other embodiments of the present invention, the fish scale hole insert is made of one of galvanized steel plate, cold-rolled plate, copper plate, nickel plate, stainless steel plate, aluminum alloy plate, hastelloy, polymer material, and ceramic.
In other embodiments of the invention, the laminated fish scale hole insertion pieces inserted into each outer sleeve can be the same or different in material, hole arrangement and dimension and specification.
In other embodiments of the present invention, a plurality of the outer sleeves are connected in parallel to form a unit, and the units formed by the plurality of the outer sleeves are connected in series to form an integrated microreactor.
In other embodiments of the present invention, the surface of the open pores of the fish scales Kong Chapian and the roughness Ra of the open pores are not more than 0.8 μm.
A method for installing a mixing core micro-reactor with detachable laminated fish scale type distribution holes comprises the following specific steps:
s1: stacking a plurality of fish scales Kong Chapian, wherein a hole protruding from the upper surface of a lower layer of the rectangular fish scale Kong Chapian is abutted with the lower surface of a hole abutting region on an upper layer of the rectangular fish scale hole insert sheet, or/and a hole recessed from the lower surface of an upper layer of the rectangular fish scale Kong Chapian is abutted with the upper surface of a hole abutting region on a lower layer of the rectangular fish scale hole insert sheet, and inserting a plurality of stacked fish scales Kong Chapian into an inner cavity of an outer sleeve from one side of the outer sleeve;
s2: plugging two ends of the outer sleeve by using end sockets, filling a sealing washer between the end sockets and the outer sleeve, and fixing the end sockets on the outer sleeve by using screws;
s3: a plurality of outer sleeves are connected in parallel to form a unit, and the units formed by the outer sleeves are connected in series to form an integrated microreactor; or a plurality of outer sleeves are connected in series to form a unit, and the units formed by connecting the plurality of outer sleeves in series are connected in parallel to form the integrated microreactor.
In the invention, 1, the rectangular flat channel of the inner cavity of the outer sleeve has larger specific surface area compared with the tubular channel, and the heat exchange performance of the process in the microreactor is obviously improved.
2. The mixing core of the detachable laminated fish scale type distribution hole can be inserted into the rectangular flat tube micro-channel in a staggered and superposed mode, and the mixing of internal fluid is effectively promoted by opening holes and interlayer flow-through, so that the reaction mixing effect is greatly improved.
3. The mixed core is convenient for mass processing of multi-specification designs, is convenient and flexible to assemble and disassemble, and greatly reduces the difficulty of cleaning and maintaining equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a fish scale hole type rectangular insert sheet according to the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 and 4 are top views of upper and lower layers of rectangular insertion sheets and schematic distribution diagrams of fish scale holes.
Fig. 5 is a schematic cross-sectional view of a fish scale hole type upper and lower layer rectangular insert sheet.
Fig. 6 is a schematic structural view of a rectangular insert sheet of a truncated cone-shaped bulging hole according to the present invention.
Fig. 7 is an enlarged schematic view of a portion a in fig. 6.
Fig. 8 is a top view of a rectangular insert sheet of a truncated cone-shaped bulging hole according to the present invention.
Fig. 9 is a schematic structural view of a rectangular insert provided with a concave circular bulge (a semicircular bulge, a small hole is formed right below the bulge, and a circular hole is formed in the middle area) on one side.
Fig. 10 is a schematic structural view of the rectangular fish scale hole insert sheet in fig. 9 inserted into the outer sleeve.
Fig. 11 is a schematic view of a rectangular insert sheet structure in which round bulging holes and fish scale holes are distributed in a staggered manner.
Fig. 12 is a top view of the rectangular insert sheet provided by the invention, wherein the round bulging holes and the fish scale holes are distributed in a staggered manner.
Fig. 13 is a schematic view of the structure of fig. 12 in which the rectangular fish scale hole insert sheet is inserted into the outer sleeve.
Fig. 14 is a schematic view of a louver-type rectangular insert according to the present invention.
Fig. 15 is a schematic structural view of a rectangular insert sheet with alternately convex and concave scale holes.
Fig. 16 is a schematic structural view of a rectangular double-sided raised crocodile mouth hole insert provided by the invention.
Fig. 17 is a schematic cross-sectional structure view of a rectangular insert sheet of the crocodile mouth hole provided by the invention.
In the figure: 1. rectangular fish scales Kong Chapian; 2. fish scale holes; 21. opening the fish scale holes; 22. an opening abutting region on the scale hole; 3. a circular truncated cone-shaped bulging hole; 31. an opening of the truncated cone-shaped bulging hole; 32. an abutting area is formed on the circular truncated cone-shaped bulging hole; 4. a louver hole; 41. the opening of the louver hole; 42. an opening abutting area on the louver hole; 5,6 and crocodile mouth hole. 100. An outer sleeve; 501. a raised crocodile mouth aperture in the upper surface; 502. a raised crocodile mouth hole in the lower surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The invention provides a mixing core micro-reactor of a detachable laminated fish scale type distribution hole, which comprises an outer sleeve in the shape of a rectangular flat pipe and a plurality of layers of laminated rectangular fish scale hole inserting pieces 1 inserted into an inner cavity of the outer sleeve, wherein two ends of the outer sleeve are sealed by sealing heads, a sealing washer is padded at a contact position between the sealing heads and the outer sleeve and fixed on the outer sleeve by screws, a plurality of convex or/and concave openings which are distributed according to fish scales are regularly formed in the rectangular fish scale hole inserting pieces 1, a middle area surrounded by three adjacent openings is an opening abutting area, the convex opening on the upper surface of the lower layer of the rectangular fish scale hole inserting piece 1 abuts against the lower surface of the upper layer of the rectangular fish scale hole inserting piece 1, or the concave opening on the lower surface of the upper layer of the rectangular fish scale hole inserting piece 1 abuts against the upper surface of the lower layer of the opening abutting area of the rectangular fish scale hole inserting piece 1, and the area of the inserting pieces on the rectangular fish scale hole inserting piece 1 accounts for 20-85% of the area of the whole rectangular fish scale hole inserting piece 1.
The holes on the fish scale holes or other hole-opening insertion pieces are processed by micro processing methods, wherein the micro processing methods comprise electric spark, laser processing, linear cutting, photochemical etching, mechanical drilling processing, micro drilling, punching of a numerical control punch and the like.
The proportion of the total area of the openings on the fish scales Kong Chapian to the area of the whole rectangular strip plate can be conveniently adjusted, and correspondingly, the proper flux and flow rate of the integrated microreactor can be adjusted and replaced by changing the specification of the mixing core therein.
The number of the multilayer laminated rectangular fish scale hole inserting pieces is not less than 3, preferably 3-6.
The angle between the hole orientation of the open hole and the plane of the rectangular fish scale hole insertion piece 1 is 0-90 degrees. The angle between the opening direction of the picture 14 and the plane of the rectangular fish scale hole inserting sheet 1 is 0 degree, namely parallel. Whereas fig. 6, 7, 16 and 17 are 90 °, i.e. vertical. While figures 1, 2 and 15 are shown with a certain included angle of 30-60, typically around 45.
The sum of the total thicknesses of the laminated rectangular fish scale hole insertion pieces 1 is 0.1-0.5mm1-10% smaller than the height of the inner cavity of the outer sleeve, the smaller height is smaller than the thickness of one rectangular fish scale hole insertion piece 1, and the ratio of the height to the width of the inner cavity of the outer sleeve is 1:2-20. The thickness of the single layer of the rectangular fish scale hole inserting sheet 1 is 0.1-5mm, the width is 5-50mm, and the length is 50-1500 mm.
The fish scale hole inserting sheet is made of one of a galvanized steel sheet, a cold and hot rolled plate, a copper plate, a nickel plate, a stainless steel plate, an aluminum alloy plate, hastelloy, a polymer material and ceramic.
The shape of the opening is one of crocodile mouth holes 5 and 6, fish scale holes 2, louver holes 4, triangular holes and truncated cone-shaped bulging holes 3;
the crocodile mouth hole adopts open holes with alternately distributed bulges and recesses (figure 10).
In fig. 9 and 10, semicircular bulges with staggered single surfaces are adopted, small holes are formed under the bulges, the structure distribution of the single surface is similar to that in fig. 6, a circular hole is formed in the middle of the surface of the insert, and the semicircular bulges can be formed on the two surfaces of the insert.
In fig. 11-13, the round bulging holes and the fish scale holes are distributed in a staggered manner, and the round bulging holes and the fish scale holes are respectively arranged on two sides.
In fig. 16, crocodile mouth protruding holes protruding upwards on two sides are adopted, and the crocodile mouth protruding holes can also be arranged on one side.
And the units formed by the plurality of outer sleeves are connected in series to form an integrated microreactor. The flow speed and the flow of the liquid in each outer sleeve 1 are limited within a certain range, a plurality of outer sleeves are connected in parallel to form a unit under the condition of ensuring high flow and flow speed, and the units formed by the plurality of outer sleeves are connected in series to form an integrated microreactor so as to improve the reaction flux.
The surface roughness Ra of the fish scales Kong Chapian is not more than 0.8 μm. Prevent when the rectangle inserted sheet dismouting and between the outer tube extra friction produce the mar, also avoid having solid foreign matter to hang and increase the washing degree of difficulty at reactor wall or inserted sheet dead angle, reduce unnecessary pressure drop production simultaneously.
The length of the inner cavity of the outer sleeve is 2-5mm longer than that of the fish scale hole inserting piece. The inner cavity of being convenient for fish scale hole inserted sheet to insert the outer tube when the installation head, does not influence the installation, can prevent effectively again that fish scale hole inserted sheet from rocking.
A method for installing a mixing core micro-reactor with detachable laminated fish scale type distribution holes comprises the following specific steps:
s1: stacking a plurality of fish scales Kong Chapian, wherein a hole protruding on the upper surface of the lower rectangular fish scale hole insertion piece 1 is abutted against the lower surface of an upper hole abutting region of the upper rectangular fish scale hole insertion piece 1, or/and a hole recessed on the lower surface of the upper rectangular fish scale hole insertion piece 1 is abutted against the upper surface of an upper hole abutting region of the lower rectangular fish scale hole insertion piece 1, and inserting the stacked fish scales Kong Chapian into an inner cavity of an outer sleeve from one side of the outer sleeve;
s2: plugging two ends of the outer sleeve by using end sockets, filling a sealing washer between the end sockets and the outer sleeve, and fixing the end sockets on the outer sleeve by using screws;
s3: the outer sleeves are connected in parallel to form a detachable stacked type fish scale hole mixing core.
And (6) disassembling.
In the practical use process of the rectangular fish scale hole inserting piece 1, if scaling or blockage occurs in the equipment, screws on end enclosures at the two ends of the inlet and the outlet can be unscrewed when cleaning and maintenance are needed, after the end enclosures are disassembled, a thin rod is used at one end of the inlet and the outlet to push the rectangular fish scale hole inserting piece 1 out for a small section, and then the inserting piece is directly pulled out from the other end, so that the disassembling process can be completed.
A cleaning and maintenance method for a detachable stacked type fish scale hole mixing core.
The rectangular fish scale hole insertion pieces 1 are cleaned and maintained, usually placed in a container filled with cleaning agents to be soaked for a certain time, an ultrasonic cleaner can be used in an auxiliary mode, and then a fine brush is used for brushing, so that the cleaning process can be completed.
A removable stacked louvered mixing core reassembly (including replacement of mixing core elements).
After the detachable stacked scale hole mixing core is cleaned and maintained, if some cores are found to be blocked seriously (extra maintenance treatment is needed besides ultrasonic cleaning), and the cores need to be replaced, or after the stacked scale hole mixing cores with different specifications need to be replaced according to actual conditions, the assembly can be carried out again. The appropriate multilayer mixing core is selected according to actual conditions, such as various technical specifications including material, thickness, width, length, silk screen shape and arrangement, surface roughness and the like.
The microchannel reactor combined by the detachable laminated fish scale hole mixing core can be conveniently used for the synthesis process of polymer materials easy to block. Compared with the conventional Bayer microreactor valve-assembled valve type mixer which is completely disassembled and assembled, the time consumption of maintenance operation of the microreactor related to the invention is shortened by at least 40 percent, even 85 percent, from the discovery that blockage or scaling is possible (such as the pressure drop of the system is increased very fast), and the maintenance efficiency in the process of process optimization or production is greatly improved, and the technical requirement on operators is not high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a can dismantle mixed core microreactor of range upon range of formula fish scale distribution hole which characterized in that: the fish scale device comprises an outer sleeve in the shape of a rectangular flat pipe and a plurality of layers of stacked rectangular fish scales Kong Chapian (1) inserted into an inner cavity of the outer sleeve, wherein two ends of the outer sleeve are sealed by seal heads, a sealing gasket is arranged at a contact position between each seal head and the outer sleeve and can be fixed on the outer sleeve by a screw, a plurality of convex or/and concave holes are regularly formed in each rectangular fish scale Kong Chapian (1) and distributed according to fish scales or the like, and the area of each hole in each rectangular fish scale Kong Chapian (1) accounts for 20-85% of the area of the whole rectangular fish scale Kong Chapian (1).
2. The mixing core micro-reactor with the detachable stacked fish scale distribution holes of claim 1, wherein: the opening is in the shape of one or more of crocodile mouth holes (5, 6), fish scale holes (2), louver holes (4), triangular holes and truncated cone-shaped bulging holes (3);
the crocodile mouth hole is an opening hole with protrusions and recesses distributed in a staggered mode.
3. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the direction of the holes forms an included angle of 0-90 degrees with the plane of the rectangular fish scale Kong Chapian (1).
4. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the ratio of the sum of the cross-sectional areas of the openings of all the holes on the same rectangular fish scales Kong Chapian (1) to the surface area of the rectangular fish scales Kong Chapian (1) is 1:2-20.
5. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the number of the stacked rectangular fish scales Kong Chapian (1) plugged in each outer sleeve is not less than 3, the sum of the total thicknesses of the stacked rectangular fish scales Kong Chapian (1) is 1-10% smaller than the height of an inner cavity of the outer sleeve, the smaller height is smaller than the thickness of one rectangular fish scale Kong Chapian (1), and the ratio of the height to the width of the inner cavity of the outer sleeve is 1:2-20.
6. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the middle area surrounded by two adjacent openings is an opening abutting area, the opening protruding from the upper surface of the lower rectangular fish scale Kong Chapian (1) abuts against the lower surface of the opening abutting area of the upper rectangular fish scale Kong Chapian (1) of the upper layer, or the opening recessed from the lower surface of the upper rectangular fish scale Kong Chapian (1) abuts against the upper surface of the opening abutting area of the upper rectangular fish scale Kong Chapian (1) of the lower layer.
7. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the rectangular fish scales Kong Chapian (1) have the single-layer thickness of 0.1-5mm, the width of 5-50mm and the length of 50-1500 mm.
8. The mixing core micro-reactor with the detachable stacked fish scale distribution holes, as claimed in claim 1, wherein: the fish scale hole inserting sheet is made of one or more of galvanized steel plates, cold and hot rolled plates, copper plates, nickel plates, stainless steel plates, aluminum alloy plates, hastelloy, polymer materials and ceramics.
9. The mixing core micro-reactor with the detachable stacked fish scale distribution holes of claim 1, wherein: a plurality of outer sleeves are connected in parallel to form a unit, and the units formed by the outer sleeves are connected in series to form an integrated microreactor; or a plurality of outer sleeves are connected in series to form a unit, and the units formed by connecting the plurality of outer sleeves in series are connected in parallel to form the integrated microreactor.
10. A mounting method of a mixing core micro-reactor with detachable stacked fish scale type distribution holes is characterized in that: the method comprises the following specific steps:
s1: stacking a plurality of fish scales Kong Chapian, wherein the convex open holes on the upper surface of the lower rectangular fish scale Kong Chapian (1) are abutted with the lower surface of the upper open hole abutting region of the upper rectangular fish scale Kong Chapian (1) or/and the concave open holes on the lower surface of the upper rectangular fish scale Kong Chapian (1) are abutted with the upper surface of the upper open hole abutting region of the lower rectangular fish scale Kong Chapian (1), and inserting the plurality of stacked fish scales Kong Chapian into the inner cavity of the outer sleeve from one side of the outer sleeve;
s2: plugging two ends of the outer sleeve by using end sockets, filling a sealing washer between the end sockets and the outer sleeve, and fixing the end sockets on the outer sleeve by using screws;
s3: a plurality of outer sleeves are connected in parallel to form a unit, and the units formed by the outer sleeves are connected in series to form an integrated microreactor; or a plurality of outer sleeves are connected in series to form a unit, and the units formed by connecting the plurality of outer sleeves in series are connected in parallel to form the integrated microreactor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211517173.1A CN115920798A (en) | 2022-11-30 | 2022-11-30 | Can dismantle mixed core microreactor of range upon range of formula fish scale formula distribution hole |
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| CN202211517173.1A CN115920798A (en) | 2022-11-30 | 2022-11-30 | Can dismantle mixed core microreactor of range upon range of formula fish scale formula distribution hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225331A (en) * | 2023-11-02 | 2023-12-15 | 杭州瑞晶生物科技有限公司 | Microchannel reaction device for producing tartaric acid and preparation method |
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2022
- 2022-11-30 CN CN202211517173.1A patent/CN115920798A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225331A (en) * | 2023-11-02 | 2023-12-15 | 杭州瑞晶生物科技有限公司 | Microchannel reaction device for producing tartaric acid and preparation method |
| CN117225331B (en) * | 2023-11-02 | 2024-03-26 | 杭州瑞晶生物科技有限公司 | Microchannel reaction device for producing tartaric acid and preparation method |
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