CN211755030U - Active mixing type reactor - Google Patents

Abstract

The utility model belongs to the technical field of chemical industry pharmaceutical equipment technique and specifically relates to an initiative hybrid reactor, a serial communication port, include: and at least one part of the reaction tube has an inner cross section area which is not equal to that of the other part or has an inner cross section area which is equal to that of the other part but has a cross section shape which is different from that of the other part. The utility model can mix the reactant more quickly and uniformly and increase the reaction rate and the heat exchange rate of the reactant by using the reaction tubes with unequal cross section areas in the tubes or the reaction tubes with equal cross section areas in the tubes but different shapes and by increasing the turbulence of the reactant in the reaction tubes; different reactants are mixed through the porous structure of the filler, so that the reactants can be mixed more quickly and uniformly; the filler can be made of a catalyst, reactants are catalyzed while being mixed, and the mixing and the catalysis of different reactants are combined into a whole, so that the reaction efficiency is accelerated.

Description

Active mixing type reactor

Technical Field

The utility model belongs to the technical field of chemical industry pharmaceutical equipment technique and specifically relates to an initiative hybrid reactor.

Background

The reaction tube of the existing tubular reactor is a straight tube or a spiral tube, and the cross-sectional area in the tube of each part of the reaction tube is the same. The reaction tube can only press a spiral line against the inner wall or a spiral tube is used to increase the turbulence of the reactants in the reaction tube, but both of these methods have a limited effect on increasing the turbulence of the reactants.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide an initiative hybrid reactor, it can be faster with the reactant on the one hand, more even mixture and increase the reaction rate and the heat transfer rate of reactant, on the one hand unites two into one the mixture between the different reactants and catalysis and accelerates reaction efficiency, conveniently dismantles and changes the filler, and the technical scheme of its adoption is as follows:

an active mixing reactor, comprising: the shell is provided with a shell pass inlet and a shell pass outlet which are communicated with the inner cavity of the shell, and at least one part of the reaction tube has unequal pipe inner cross section area or equal pipe inner cross section area but different pipe inner cross section shape with other parts.

Preferably, the upper end and the lower end of the shell are both provided with a tube plate and a seal head, the tube plate is fixedly connected with the shell, the seal head is fixedly connected with the tube plate, the shell is internally provided with a reaction tube group, the reaction tube group comprises a plurality of reaction tubes, the upper end and the lower end of each reaction tube penetrate through and are fixedly connected with the tube plate, the reaction tubes are straight tubes or spiral winding tubes,

preferably, a cavity is formed inside the end socket, and fillers with mixing and/or catalysis effects are arranged in the cavity.

Preferably, the filler is a plurality of solid particles, the relative positions of the solid particles are fixed, gaps exist, and the solid particles are fixed relative to the end socket.

Preferably, one side that the tube sheet was kept away from to the head is provided with first otter board, first otter board and head fixed connection, one side that the head is close to the tube sheet is formed with the counter bore, be provided with the second otter board in the counter bore, the second otter board can be dismantled with the head and be connected, the filler compresses tightly the filler fixedly between first otter board and second otter board and by first otter board and second otter board.

Preferably, the first screen plate is fixedly connected with the seal head through welding, and the second screen plate is detachably connected with the seal head through screws.

Preferably, the end socket is formed with an end socket pipe, and the total flux of the filler is the same as the flux of the end socket pipe.

Preferably, the solid particulate matter is spheres.

The utility model has the advantages of as follows: on one hand, by using the reaction tubes with unequal cross-sectional areas in the tubes or equal cross-sectional areas in the tubes but different shapes, the turbulence of reactants in the reaction tubes is increased, so that the reactants can be mixed more quickly and uniformly, and the reaction rate and the heat exchange rate of the reactants are increased; on one hand, different reactants are mixed through the porous structure of the filler, so that the reactants can be mixed more quickly and uniformly; the filler can be made of a catalyst, reactants are catalyzed while being mixed, and the mixing and the catalysis of different reactants are combined into a whole, so that the reaction efficiency is accelerated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the structure of the reactor of the utility model is shown schematically;

FIG. 2: the utility model has a partial enlarged structure schematic diagram at A;

FIG. 3: the reaction tube of the utility model has a schematic front view structure (the cross section areas in the tube are the same);

FIG. 4: the top view structure of the reaction tube of the utility model is schematic (the cross section area in the tube is the same);

FIG. 5: the reaction tube of the utility model has a schematic structural diagram in section at B;

FIG. 6: the reaction tube of the utility model has a schematic view of a sectional structure (the cross section areas in the tube are different);

FIG. 7: the reaction tube of the utility model has a schematic structural diagram in section at the position C;

FIG. 8: the utility model is a schematic structural diagram of a reaction tube in a section at D;

Detailed Description

The invention will be further described with reference to the following figures and examples:

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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, fig. 2, and fig. 6 to fig. 8, the active hybrid reactor of the present embodiment includes: the reactor comprises a shell 1 and a reaction tube 20, wherein a shell side inlet 10 and a shell side outlet 11 which are communicated with an inner cavity of the shell 1 are arranged on the shell 1, and the cross section area of at least one part of the reaction tube 20 is not equal to that of the other part of the reaction tube.

Preferably, the upper end and the lower end of the shell 1 are both provided with a tube plate 3 and a seal head 4, the tube plate 3 is fixedly connected with the shell 1, the seal head 4 is fixedly connected with the tube plate 3, the shell 1 is internally provided with a reaction tube group 2, the reaction tube group 2 comprises a plurality of reaction tubes 20, the upper end and the lower end of each reaction tube 20 penetrate through and are fixedly connected with the tube plate 3, the reaction tubes 20 are straight tubes or spiral winding tubes,

preferably, a cavity is formed inside the end socket 4, and a filler with mixing and/or catalysis effects is arranged in the cavity.

Preferably, the filler is a plurality of solid particles 47, the solid particles 47 are fixed in relative positions and have gaps, and the solid particles 47 are fixed in relative positions with respect to the seal head 4.

Preferably, one side of the end socket 4, which is far away from the tube plate 3, is provided with a first mesh plate 42, the first mesh plate 42 is fixedly connected with the end socket 4, one side of the end socket 4, which is close to the tube plate 3, is formed with a counter bore 46, a second mesh plate 43 is arranged in the counter bore 46, the second mesh plate 43 is detachably connected with the end socket 4, and the filler is compressed and fixed between the first mesh plate 42 and the second mesh plate 43 and by the first mesh plate 42 and the second mesh plate 43.

Preferably, the first mesh plate 42 is fixedly connected with the end socket 4 through welding, and the second mesh plate 43 is detachably connected with the end socket 4 through a screw 44.

Preferably, the head 4 is formed with a head pipe 41, and the total flux of the filler is the same as the flux of the head pipe 41.

Preferably, the solid particulate matter 47 is spheres.

The working principle is as follows: the straight tube and the spirally wound tube referred to herein mean that the axis of the reaction tube 20 is a straight line or a spirally wound line. It will be understood that the cross-section in the tube is taken to mean the plane perpendicular to the axis at the cross-section.

The unequal cross-sectional areas in the tubes include the case where the cross-sectional areas in the tubes are unequal and the shapes of the cross-sectional areas in the tubes are different and the case where the cross-sectional areas in the tubes are unequal and the shapes of the cross-sectional areas in the tubes are the same.

1. The reactor tubes 20 have unequal cross-sectional areas within the tubes but the same cross-sectional shape within the tubes: as shown in fig. 1 and 2, the reaction tube 20 is not a uniform straight tube, but a spherical protrusion is added to the prior art straight tube, and the entire reaction tube 20 is divided into a straight tube portion and a spherical protrusion. The cross-sectional area in the tube of the spherical protrusion part is larger than that of the straight tube part, so that turbulent flow of reactants is generated. The spherical protrusion has the same cross-sectional area in the tube as the straight tube, and is circular.

2. The reaction tubes 20 have unequal inner cross-sectional areas and different inner cross-sectional shapes: as shown in fig. 6, 7 and 8, the reaction tube 20 has a circular inner cross-section at C, a quadrangular inner cross-section at D, and a larger inner cross-sectional area at D than C. The areas of the cross sections in the tubes at the positions C and D are not equal, and the shapes of the cross sections in the tubes are different, so that turbulent flow of reactants is generated.

The utility model discloses during the use, the reactant gets into through reaction tube 20 from the head pipeline 41 outflow of another head 4 from the head pipeline 41 of head 4 of first reaction unit, flows through pipeline 5.

When the filler is a plurality of solid particles 47, as shown in FIG. 1. A plurality of solid particles 47 are stacked together and the position of the solid particles 47 is fixed by compressing the plurality of solid particles 47 by the first mesh plate 42 and the second mesh plate 43. The gaps among the solid particles 47 can flow through the reactant, and a plurality of solid particles 47 are combined to form a whole with a porous structure to play a role in mixing the reactant

When the filler is a porous solid block 48, the interior of the porous solid block 48 has a porous structure similar to a sponge, so that the reactants can be mixed well.

Both the solid particulates 47 and the porous solid mass 48 may be made of a catalyst that functions catalytically while mixing.

Example 2

As shown in fig. 1 to 5, the active hybrid reactor of the present embodiment includes: the reactor comprises a shell 1 and a reaction tube 20, wherein the shell 1 is provided with a shell side inlet 10 and a shell side outlet 11 which are communicated with the inner cavity of the shell, and at least one part of the reaction tube 20 has the same cross section area in the tube as the other part of the reaction tube but has a different cross section shape in the tube.

The reactor tubes 20 have equal cross-sectional areas within the tubes but different shapes: as shown in fig. 3, 4 and 5, in the process from the top to the middle of the reaction tube 20, the inner cross section of the reaction tube 20 changes from a circle to an ellipse, and the major axis of the ellipse increases and the minor axis thereof shortens, so that the inner cross sections of the reaction tubes 20 at any position are equal. The change of the cross section shape in the tube is beneficial to the generation of turbulent flow of reactants.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims (8)

1. An active mixing reactor, comprising: the device comprises a shell (1) and a reaction tube (20), wherein a shell-side inlet (10) and a shell-side outlet (11) communicated with an inner cavity of the shell (1) are arranged on the shell (1), and at least one part of the reaction tube (20) is not equal to the cross section area in the tube of other parts or is equal to the cross section area in the tube but is different in the cross section shape in the tube.

2. The active hybrid reactor of claim 1, wherein: the utility model discloses a reactor, including casing (1), head (2), reaction tube group (2), tube sheet (3) and casing (1) fixed connection, head (4) and tube sheet (3) fixed connection, be provided with reaction tube group (2) in casing (1), reaction tube group (2) are including many reaction tubes (20), the upper and lower both ends of reaction tube (20) all pass and fixed connection on tube sheet (3), reaction tube (20) are straight tube or spiral winding pipe.

3. The active hybrid reactor of claim 2, wherein: a cavity is formed in the end socket (4), and fillers with mixing and/or catalyzing effects are arranged in the cavity.

4. The active hybrid reactor of claim 3, wherein: the filler is a plurality of solid particles (47), the relative positions of the solid particles (47) are fixed, gaps exist, and the solid particles (47) are fixed relative to the end socket (4).

5. The active hybrid reactor of claim 4, wherein: one side that tube sheet (3) were kept away from in head (4) is provided with first otter board (42), first otter board (42) and head (4) fixed connection, one side that head (4) are close to tube sheet (3) is formed with counter bore (46), be provided with second otter board (43) in counter bore (46), second otter board (43) can be dismantled with head (4) and be connected, the filler compresses tightly the filler fixedly by first otter board (42) and second otter board (43) between first otter board (42) and second otter board (43).

6. The active hybrid reactor of claim 5, wherein: the first screen plate (42) is fixedly connected with the seal head (4) through welding, and the second screen plate (43) is detachably connected with the seal head (4) through a screw (44).

7. The active hybrid reactor of claim 3, wherein: the end socket (4) is provided with an end socket pipeline (41), and the total flux of the filler is the same as that of the end socket pipeline (41).

8. The active hybrid reactor of claim 4, wherein: the solid particles (47) are spheres.

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