CN217288355U - Decomposable flat block mixing core - Google Patents

Abstract

The utility model discloses a core is mixed to resolvable formula flat piece belongs to the core part of half dismantlement formula microchannel reactor, concretely relates to core field is mixed to resolvable formula, including the outer cover plate, the vortex disc piece, dog one, optional dog two and locating pin and supporting rectangle flat tube portion outside, through the outer cover plate, vortex disc piece and dog one, optional dog two carries out the combination of nimble and organic similar cordwood system, the reducing passageway of establishing ties alternately through the width can be realized forming the vortex in the rectangle flat tube and accomplish high-efficient mixing and heat transfer with the cooperation of dog hindered, cordwood system combination makes the core is mixed to microchannel flat piece and can be assembled fast also can be dismantled fast, reorganization and change, thereby make and need not to obtain similar or more excellent effect through the conventional means that the microchannel surface was processed, solve simultaneously in the current micro-reactor design can not dismantle, Easy blockage or inconvenient disassembly and assembly and replacement of the mixing unit.

Description

Decomposable flat block mixing core

Technical Field

The utility model relates to a core technical field is mixed to resolvable formula, more specifically says, the utility model relates to a core is mixed to resolvable formula slab.

Background

Along with the demand of the microreactor technique in the popularization in the fine chemical industry field of medicine and the actual maintenance in the production process in China, can dismantle the microreactor and become the mainstream, but most detachable microreactors on the existing market dismantle the process many and reassemble consuming time inconvenient, mixing unit structure is single in the microreactor simultaneously, it is difficult to adjust and change the internal mixing unit according to actual conditions, the process adaptability of current microreactor hardly satisfies individualized design requirement, it is not wide to lead to the not enough adaptation face of flexibility in actual production or the process development in-process, consequently when popularizing the microreactor technique in the fine chemical industry actual process development of medicine and the production process widely, satisfy the convenience problem of the dismantled microreactor of maintenance demand and just stand out.

In the micro-reactor in the prior art, two or more fluids are mixed continuously and interactively to generate substance exchange such as emulsification or generate corresponding chemical reaction, the mixing effect of the micro-reactor is in a corresponding relation with the size of a micro-channel, and the smaller the size of the micro-channel is, the better the mixing effect is; however, the method is contradictory to practical production and application, the micro-channel has small size, so that the pressure drop is higher, the flux of the micro-reactor is influenced, the blocking problem of the micro-reactor is easily caused, and particularly for a non-detachable plate micro-reactor, once the micro-reactor is blocked and is not cleaned or dredged by a proper technical means, the micro-reactor cannot be continuously used; although some microreactors are detachable, the disassembly procedures are more and not very convenient, and the reassembly is time-consuming, so that the actual use effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a core is mixed to resolvable formula slab, the utility model aims to solve the technical problem be: the existing microreactor is not detachable, is easy to block or is inconvenient in long dismounting process and inconvenient to replace and exchange a mixing unit.

In order to achieve the above object, the utility model provides a following technical scheme: the decomposable flat block mixing core comprises an outer cover plate, a vortex disc, a first stop block, a second stop block and a positioning pin part.

In a preferred embodiment, the outer cover plate, the vortex disc and the first and second stoppers can be combined into a micro-channel with the functions of reducing and blocking vortex by the positioning pin, the reducing is embodied in a mode of alternately connecting in series, the outer cover plate is divided into an upper outer cover plate and a lower outer cover plate, and the vortex disc is placed and fixed between the upper and lower outer cover plates by the positioning pin.

In a preferred embodiment, the outer cover plate and the vortex disc are respectively provided with a stop block hole or a positioning hole matched with the stop block or the positioning pin, the first stop block and the second stop block not only realize fluid obstacle but also have a positioning function, and are arranged in the wide channel of the reducing flow channel and close to the inlet and the outlet of the narrow channel, the first stop block is optional, the second stop block is optional, in order to combine a set of flat block mixing cores, the positions and the sizes of the stop block holes or the positioning holes in the outer cover plate and the vortex disc need to be kept consistent, and the stop blocks and the positioning pins are matched with the corresponding stop blocks and the positioning pins.

In a preferred embodiment, the overall external dimension is a rectangular cuboid, and the rectangular cuboid can be combined with a rectangular outer flat tube to be made into a micromixer, a microreactor or a micro heat exchanger and different integrated combinations.

In a preferred embodiment, the shape of the micro-channels is determined primarily by the design of the vortex disk, wherein the ratio of the width of the variable diameter wide and narrow channels is 3: 1-30: 1, the number of vortex disks can be increased between the outer cover plates as required to ensure the total depth of the micro-channels, and the ratio of the width of the narrowest part of the micro-channels to the minimum depth of the micro-channels is 1: 5-10: 1.

in a preferred embodiment, the shape of the wide channel is a symmetrical streamline shape, including apple shape, pear shape, round shape, heart shape, trumpet-inverse trumpet shape, rugby shape, asymmetric inverse gourd shape, etc.; the cross section of the first stop block is a continuous linear strip or an intermittent line segment and comprises an arc line, a reverse arc shape, a corrugated shape, a fan-shaped or incomplete circle, an intermittent arc line segment and the like, and the second stop block is a cylinder, an elliptic cylinder, a heart shape, a bow string shape, a fan-shaped or symmetrical polygonal shape and the like.

In a preferred embodiment, vortex disks with different sizes and numbers can be freely combined with the first stop blocks or the second stop blocks with different shapes in a building block mode to form flat block mixing cores with different specifications, and the flat block mixing cores can be conveniently detached from the rectangular outer flat tubes for replacement.

In a preferred embodiment, the material used for the components that make up the hybrid core comprises one of stainless steel, hastelloy, monel, other metals or alloys, quartz, glass, silicon carbide, other ceramics, PMMA plexiglass, PP polymer, polytetrafluoroethylene, other polymers, and the like.

In a preferred embodiment, the use range of the mixing core is from a laboratory, a small test, a pilot test to a production level, the rectangular width w of the flat block core matched with the rectangular outer flat tube is 1-300 mm, the height h is 1-30 mm, and the length l of the flat tube is 3-3000 mm.

In a preferred embodiment, the method for using the decomposable flat-block mixing core can be matched with a rectangular outer flat tube to carry out normal use, disassembly, cleaning maintenance, part replacement and reassembly, so as to realize the function of a semi-disassembled microchannel reactor, which is specifically referred to in the following examples.

The utility model discloses a technological effect and advantage:

the utility model provides a pair of mixed core of decomposable slab belongs to the core component of half dismantlement formula microchannel reactor, is the design of rare decomposition formula and the perfect combination of integral type on the existing market, can use as the integral type under general jam condition as required, also can use as decomposition formula under scale deposit or the jam serious condition, and what solve is the problem that quick assembly disassembly conveniently changed, through the utility model discloses, can let the microreactor in process optimization or the production process wash and maintain conveniently to can easily change inside mixed core, mix the core and also make up into different specifications in a flexible way.

The utility model provides a decomposable flat block mixing core, which has skillful internal structure design and convenient processing, in particular to batch manufacturing of mixing cores meeting the requirements of different flux levels from laboratories to production, meanwhile, the split mixing core relates to various variable technical specifications, including a symmetrical structure and an asymmetrical structure, and can be used for conveniently adjusting vortex disks, different stop blocks, outer cover plates and the like, conveniently adjusting different requirements in the actual process and production process, the first check block and the second optional check block can not only be normally used as fluid check blocks to increase the vortex enhanced mixing heat exchange effect, but also actually play a role in positioning, fixing and sealing enhancement at the middle part of the mixing core, and mainly solve the problems that the existing microreactor is not easy to clean after scaling, the dismounting process is time-consuming and the mixing unit design sheet cannot be rapidly and flexibly assembled.

The utility model provides a pair of part of core is mixed to decomposable flat block is very convenient to be processed, satisfies the batch production from the laboratory to production level component moreover, also can have the design of different specifications according to the demand simultaneously, including the combination of enclosing cover thickness, vortex disc thickness and combination passageway shape, dog and different mixed cores etc..

The utility model provides a pair of core is mixed to resolvable formula slab adopts integration and the parallel design pattern of decomposition formula, simultaneously can be symmetrical structure also can be asymmetric structure, can satisfy personalization and customization in batch production again, and the mixed core of different specifications can be used in combination, and the convenient test of single standard core acquires empirical data moreover, and the operator can conveniently change different specification ratios as required, consequently the utility model provides a pair of core is mixed to resolvable formula slab has higher flexibility, in daily use, and the operator can conveniently change different specification ratios as required.

Drawings

For the sake of clarity of the description of the invention, reference will now be made briefly to the attached drawings, which are used in the technical description.

FIG. 1 is a schematic view showing the plane of the fluid channel after the main components of the decomposable flat block mixing core of the present invention are combined.

Fig. 2 is a schematic diagram of the fluid passage of the decomposable flat block mixing core in normal use, wherein the direction indicated by the arrow indicates the designed fluid flow direction.

FIG. 3 is a schematic diagram showing the specifications of the technical parameters of the planing surface of the fluid channel after the main components of the decomposable slab mixing core are combined.

FIG. 4 is a schematic view of a disassembled vortex plate with flat mixing cores (including locating pin holes) according to the present invention.

Fig. 5 is a schematic view of an outer cover plate (containing a positioning pin hole) of the decomposable slab mixing core of the present invention.

FIG. 6 is a schematic diagram of a first optional stop block of the decomposable slab mixing core of the present invention.

Fig. 7 is a schematic view of the second selectable stop block of the decomposable slab mixing core of the present invention.

Fig. 8 is a schematic view of the decomposable flat block mixing core of the present invention with different shapes and different sizes of positioning pins.

Referring to FIG. 9, a radial cross-sectional view of a disassembled flat-block mixing core is shown, wherein the specifications of the outer cover plate and the thickness of the vortex plate and the height of the locating pin or the stop are shown.

Fig. 10 shows the combination of the decomposable slab mixing core and the rectangular outer sleeve of the invention, which contains vortex disks of different sizes or shapes, a first stop block, a second stop block, etc.

Reference numerals:

1-vortex disc (one) 2-vortex disc (two) 3-positioning pin 4-baffle two 5-baffle one 6- (fluid) inlet 7- (fluid) outlet 8-outer cover plate 9-baffle two open pore 10-baffle one open pore

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

The utility model provides a pair of core is mixed to resolvable formula slab mainly can divide into four kinds of states with the use in daily operation: normal use, disassembly, cleaning maintenance, reassembly (including replacement of the hybrid core element), the present invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the separable flat mixing core has its main components combined to show the plane surface of the fluid channel and the schematic diagram of the outer cover plate, the inlet (6) is arranged at one end of the rectangular parallelepiped from right to left according to the fluid direction for fluid input, and for reducing design, two vortex disks (one and two, 1 and 2) can be combined to form different inlet shapes (generally symmetrical structure); then, the fluid collides and rebounds to a channel wall formed by the vortex disc through the first check block (5), a second check block (4) can be selected along the channel wall to form further turbulence to finish the flow of a single mixing unit, and finally the fluid flows out of a system from an outlet (7) through a subsequent repeated mixing unit; the outer cover plate consists of a cover plate main body (8), a plurality of positioning pin holes (9), a first stop block hole (10) and a second stop block hole (9).

As shown in fig. 2, for the schematic diagram of the fluid passage in the decomposable flat block mixing core of the present invention during normal use, the two vortex disks are combined into the apple-shaped repeated basic mixing unit (wherein the planar surface of the first block is arc-shaped, and the second optional block is cylindrical), wherein the vortex disks realize the repeated mixing unit of the block type mixing core through the repeated unit.

As shown in fig. 3, the present invention shows the schematic diagram of technical parameters and specifications of the fluid channel shaving surface after the combination of the main components of the decomposable flat block mixing core, which takes two vortex disks to form an apple-shaped repeating basic mixing unit (wherein, the shaving surface of the first stop is arc-shaped, and the second optional stop is cylindrical), wherein, a is the widest width of the fluid channel of the repeating basic mixing unit formed by the vortex disks, b is the narrowest width of the channel, e is the length of the basic repeating unit, c is the largest dimension of the first stop in the planar shaving surface view, d is the largest dimension of the second stop in the planar shaving surface view, f is the largest dimension of the positioning pin (hole) in the planar shaving surface view, l is the entire length of the decomposable flat block mixing core, and w is the entire width of the decomposable flat block mixing core; wherein c is less than a; b is more than or equal to d.

As shown in fig. 4, the vortex plate (including the positioning pin hole) of the decomposable flat mixing core of the present invention is schematically shown, for example, in fig. 4-1, the vortex channel main body is apple-shaped, and the matching positioning pin hole is oval; 4-2, the vortex channel main body is circular, and the matched positioning pin hole is diamond-shaped; in fig. 4-3, the vortex channel is flared and the dowel holes are triangular.

FIG. 5 is a schematic diagram of an outer cover plate (including a positioning pin hole and a stopper hole) of a decomposable flat block mixing core of the present invention, and an outer cover plate respectively matched with the positioning pin holes in FIGS. 4-1, 4-2 and 4-3, wherein the positioning pin holes are identical in position, shape, size and dimension, and are convenient for assembly, for example, FIG. 5-1, wherein the positioning pin holes are oval, one hole of the stopper is an arc segment, and the two holes of the stopper are circular; FIG. 5-2, wherein the alignment pin holes are diamond shaped, one hole of the stop block is a broken arc segment, and the other hole of the stop block is a regular octagon; fig. 5-3, in which the registration pin holes are triangular and the stop one hole is an alternate incomplete circle and heart shape, without the stop two, wherein the stop holes in fig. 5-1, 5-2 and 5-3 correspond to fig. 6 and 7, respectively, described below.

FIG. 6 is a schematic diagram of a first optional stop block of the decomposable slab mixing core of the present invention.

Fig. 7 is a schematic view of the second selectable stop block of the decomposable slab mixing core of the present invention.

As shown in fig. 8, the present invention is a schematic view of the decomposable flat block mixing core with different shapes and different sizes of positioning pins.

As shown in fig. 9, a radial sectional view of a separable flat block mixing core, wherein the thickness of the outer cover plate and the vortex disc and the height of the positioning pin or the stop block are the same as the specification of technical parameters, such as the thickness of the upper outer cover plate is h1, the thickness of the lower outer cover plate is h2, the middle is provided with a plurality of layers of vortex discs, the thicknesses of the vortex discs are h3, h4, h5 and the like, the heights of the positioning pin and the stop block are increased or decreased according to the needs, and the like, and generally, the heights of the positioning pin and the stop block are the same as the total thickness of all the outer cover plates and the vortex disc.

Fig. 10 is the combination of the mixed core of decomposable slab and supporting rectangle outer tube of the utility model, the mixed core that forms of combination such as vortex disc, dog one, dog two and locating pin that contain unidimensional or shape, wherein, the inner wall thickness of supporting rectangle outer tube is the same with the thickness of mixing the core, and the length of outer tube is the total of the mixed core length of a plurality of, can fill or change the mixed core of different combinations according to the demand in same rectangle outer tube.

Preferably, a disintegratable slab mixing core embodiment 1: and (4) normally using.

As shown in fig. 10, in the practical use process of the decomposable flat block mixing core, a plurality of groups of cores are arranged in a matched rectangular outer sleeve in a serial connection mode, and the inlet and outlet ends are fixedly connected by adopting a traditional screw cap or a special cutting sleeve.

As shown in FIG. 2, it is a schematic diagram of the flow channel of the fluid in the decomposable flat-block mixing core in normal use, wherein the direction indicated by the arrow, i.e. the fluid traveling in the combined channel, is a simulated diagram, and according to different application situations, the inlet and outlet directions of the core can be used in the opposite situations to those shown in FIG. 2.

In addition, the same matched rectangular outer sleeve can be matched with the stop block type mixing cores with different lengths and different specifications according to actual requirements.

Preferably, a disintegratable slab mixing core embodiment 2: and (6) disassembling.

As shown in figure 10, in the practical use process of the decomposable flat block mixing core, if scaling or blockage occurs and needs cleaning or maintenance, the nuts fixed at the two ends of the reaction outer sleeve matched with the mixing core can be conveniently disassembled, the core can be completely disassembled and poured out by pouring the sleeve, or the core can be disassembled by using a solid square ruler with a proper size from the other end, so that the disassembling process is completed.

Preferably, a decomposable slab mixing core embodiment 3: and (5) cleaning and maintaining.

As shown in fig. 2, it is a schematic diagram of a channel through which a fluid flows when a decomposable flat-block mixing core is in normal use, wherein the direction indicated by an arrow indicates that the fluid travels in a simulated diagram in a combined channel, so that it is necessary to pay special attention to whether solid foreign matters are scaled or blocked at the interconnection of each combined component of the mixing core, such as an outer cover plate, a vortex disc, a first block, a second block and a positioning pin, when cleaning and maintaining; if the scale or blockage is found, the mixed core is generally dredged by adopting a matched metal filament, the cleaning procedure can be completed by placing the mixed core in an ultrasonic cleaning pool for 10-20 minutes, the mixed core can be completely disassembled by disassembling a positioning pin and a stop block under special conditions, the bottoming physical cleaning procedure can be completed, and the specific operation refers to the reassembling flow of the embodiment 4.

Preferably, a disintegratable slab mixing core embodiment 4: and reassembled (including replacing various combination elements of the mixing cartridge).

After cleaning and maintenance of the decomposable flat-block mixing core in embodiment 3, if some cores are found to be blocked seriously (extra maintenance treatment is needed besides ultrasonic cleaning), or the cores need to be replaced according to actual conditions, the cores can be reassembled, and a proper mixing core can be selected according to the conditions shown in fig. 3 or fig. 9, so that the decomposable flat-block mixing core is a schematic diagram relating to various technical specifications.

And in the process opposite to the disassembly procedure of the embodiment 2, the multiple groups of cores are arranged in the matched rectangular outer sleeve in a serial connection mode, and the inlet end and the outlet end are fixedly connected by adopting a traditional screw cap or a special clamping sleeve.

Preferably, a disintegratable slab mixing core embodiment 5: the method is used for the synthesis process of the high molecular polymer intermediate easy to block.

The utility model relates to a core is mixed to resolvable formula slab, including symmetrical structure and asymmetric structure, the microchannel reactor that makes up can conveniently be used for the high polymer intermediate synthesis technology of easy jam, compares with the Bayer microreactor valve-approved blender of whole dismouting of conventional, from discovering probably to block up or the scale deposit (for example the system pressure drop rises very fast), begin to dismantle, wash and maintain, probably change and mix core or unit to the reassembly, the utility model relates to a microreactor maintenance operation shortens at least 30% consuming time, even to 80%, has promoted the maintenance efficiency in process optimization or the production process greatly, can suitably reduce moreover to operating personnel's technical requirement.

Claims (10)

1. A decomposable flat block mixing core is characterized by comprising an outer cover plate, a vortex disc, a first stop block, a second stop block and a positioning pin part.

2. The disintegratable slab mixing core of claim 1, wherein: can combine outer apron, vortex disc and dog one, dog two into the microchannel that has reducing and vortex function of being hindered concurrently through the locating pin, the concrete performance of reducing is the alternate mode of establishing ties of width, outer apron divide into outer apron and lower outer apron, the vortex disc is placed through the locating pin and is fixed in between the upper and lower outer apron.

3. The disintegratable slab mixing core of claim 1, wherein: all be equipped with the dog hole or the locating hole that match with dog or locating pin on outer apron and the vortex disc, dog one also compromise locate function with dog two except realizing the fluid obstacle to set up the position inside and be close to the narrow passageway access & exit of wide passageway in the reducing runner, dog one is indispensable, and dog two is optional, mixes the core in order to make up into complete set slab, the position and the size of dog hole or locating hole need keep unanimous on outer apron and the vortex disc, match with corresponding dog and locating pin moreover.

4. The disintegratable slab mixing core of claim 1, wherein: the overall dimension is a rectangular cuboid, and the rectangular cuboid can be combined with a rectangular outer flat pipe to be used for manufacturing a micro mixer, a micro reactor or a micro heat exchanger and different integrated combinations.

5. The disintegratable slab mixing core of claim 1, wherein: the shape of the micro-channel is mainly determined by the design of the vortex disc, wherein the width ratio of the diameter-variable wide and narrow channel is 3: 1-30: 1, the number of vortex disks can be increased between the outer cover plates as required to ensure the total depth of the micro-channels, and the ratio of the width of the narrowest part of the micro-channels to the minimum depth of the micro-channels is 1: 5-10: 1.

6. the disintegratable slab mixing core of claim 3, wherein: the shape of the wide channel is a symmetrical streamline, and comprises an apple shape, a pear shape, a round shape, a heart shape, a horn-inverse horn shape, a rugby shape, an asymmetrical inverse gourd shape and the like; the cross section of the first stop block is a continuous linear strip or an intermittent line segment and comprises an arc line, a reverse arc shape, a corrugated shape, a fan-shaped or incomplete circle, an intermittent arc line segment and the like, and the second stop block is a cylinder, an elliptic cylinder, a heart shape, a bow string shape, a fan-shaped or symmetrical polygonal shape and the like.

7. The disintegratable slab mixing core of claim 1, wherein: vortex disks with different sizes and quantities can be freely combined in a building block mode with the first stop blocks or the second stop blocks with different shapes to form flat block mixing cores with different specifications, and the flat block mixing cores can be conveniently detached from the rectangular outer flat tubes for replacement.

8. The decomposable slab mixing core of claim 1, wherein: the material used for the components of the hybrid core comprises one of stainless steel, hastelloy, monel, other metals or alloys, quartz, glass, silicon carbide, other ceramics, PMMA plexiglass, PP polymer, polytetrafluoroethylene, other polymers, and the like.

9. The decomposable slab mixing core of claim 1, wherein: the application range of the mixing core is from laboratory, pilot test and production level, the rectangular width w of the flat block core adapting to the rectangular outer flat tube is 1-300 mm, the height h is 1-30 mm, and the length l of the flat tube is 3-3000 mm.

10. The disintegratable slab mixing core according to any one of claims 1 to 9, wherein: the decomposable flat block mixing core can be matched with the rectangular outer flat pipe to carry out normal use, disassembly, cleaning maintenance, part replacement and reassembly, and the function of the semi-detachable micro-channel reactor is realized.

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