CN214634146U

CN214634146U - Pipeline formula crystallization reactor

Info

Publication number: CN214634146U
Application number: CN202023095449.0U
Authority: CN
Inventors: 刘辉
Original assignee: Shaanxi Jinyu Technology Development Co ltd
Current assignee: Shaanxi Jinyu Technology Development Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-09
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a pipeline type crystallization reactor, which comprises an inner pipe and a plurality of transverse pipes arranged in the inner pipe; a heating structure is arranged outside the inner pipe; the heating structure comprises an outer pipe arranged outside the inner pipe, an inner cavity is formed between the outer pipe and the inner pipe, a heat exchange medium is arranged in the inner cavity, and a heat exchange medium inlet and a heat exchange medium outlet which are communicated with the inner cavity are formed in the outer pipe; one end of the inner tube is provided with a source liquid inlet tube and a seed crystal inlet tube, and the other end is provided with a target crystal outlet; the plurality of transverse tubes are all axially perpendicular to the moving direction of the source liquid or the seed crystal, the effect of obtaining a target crystal form can be achieved while injecting the source liquid and the seed crystal, the crystallization reaction time is shortened, and continuous reaction can be achieved.

Description

Pipeline formula crystallization reactor

Technical Field

The utility model belongs to the technical field of the reactor, especially, relate to a pipeline formula crystallization reactor.

Background

The crystallization method is an operation method of separating components by a crystallization method by utilizing the difference of solubility of the components in a mixture in the same solvent or the remarkable difference of solubility in a cold condition and a hot condition. As long as crystals are formed, this indicates that the compound has reached a comparable purity. Crystallization is one of the important methods for purifying solid compounds

At present, most of crystallization reactions are carried out by adopting a reaction kettle, materials can form expected crystal forms only after a certain time, the reaction kettle is used for carrying out the crystallization reaction, the materials need to be placed in the reaction kettle for a period of time and are continuously stirred, so that the materials can form the expected crystal forms, the time required by the crystallization reaction is longer, and the continuous reaction cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can shorten crystallization reaction time's pipeline formula crystallization reactor, have the effect that realizes the continuous reaction.

In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:

a pipe-type crystallization reactor comprises an inner pipe and a plurality of cross-sectional pipes arranged in the inner pipe; a heating structure is arranged outside the inner pipe;

one end of the inner tube is provided with a source liquid inlet tube and a seed crystal inlet tube, and the other end is provided with a target crystal outlet;

and the plurality of cross-sectional pipes are axially vertical to the moving direction of the source liquid or the seed crystal.

As a further explanation of the utility model: the heating structure comprises an outer pipe arranged outside the inner pipe, an inner cavity is formed between the outer pipe and the inner pipe, a heat exchange medium is arranged in the inner cavity, and a heat exchange medium inlet and a heat exchange medium outlet which are communicated with the inner cavity are formed in the outer pipe.

As a further explanation of the utility model: the seed crystal inlet pipe is communicated with the source liquid inlet pipe, and the source liquid inlet pipe is communicated with the inner pipe.

As a further explanation of the utility model: and the plurality of transverse pipes are uniformly distributed in the inner pipe.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. when the crystal forming device is used, source liquid and seed crystals enter the inner tube through the source liquid inlet tube and the seed crystal inlet tube respectively, the source liquid can quickly grow crystals under the action of the seed crystals, the sizes of the crystal grains are different and the crystal grains are not uniformly distributed, the generated crystals collide with the transverse tubes in the inner tube under the pushing of liquid, the crystals with relatively small grain diameters are dispersed, the dispersed crystals flow at the transverse tubes, then the crystals are mixed in gaps among the transverse tubes to form crystals again, and finally, a target crystal form with uniform grain sizes is formed through multiple collision dispersion and mixing again, so that the target crystal form can be obtained while the source liquid and the seed crystals are injected, the crystallization reaction time is shortened, and continuous reaction can be realized.

2. The seed crystal inlet pipe is communicated with the source liquid inlet pipe, so that the seed crystal and the source liquid are mixed more uniformly.

3. In the crystallization reaction process, the temperature is controlled through the heat exchange medium, and different heat exchange media can be introduced into the inner cavity through the heat exchange medium inlet according to different physical and chemical properties of materials.

Drawings

Fig. 1 is an axial cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1, intended to show the flow paths of the source liquid and the crystal in the inner tube;

fig. 3 is a radial cross-sectional view of the present invention.

1. A source liquid inlet pipe; 2. seed crystal enters the tube; 3. a target crystal outlet; 4. a heat exchange medium inlet; 5. a heat exchange medium outlet; 6. cross-sectioning the tube; 7. an outer tube; 8. an inner tube; 9. an inner cavity.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, a pipe-type crystallization reactor comprises an inner pipe 8 and a plurality of cross-sectional pipes 6 provided in the inner pipe 8; the plurality of transverse tubes 6 are all axially vertical to the moving direction of the source liquid or the seed crystal, and the plurality of transverse tubes 6 are uniformly distributed in the inner tube 8.

One end of the inner tube 8 is provided with a source liquid inlet tube 1 and a seed crystal inlet tube 2, and the other end is provided with a target crystal outlet 3; the seed crystal inlet pipe 2 is communicated with the source liquid inlet pipe 1, and the source liquid inlet pipe 1 is communicated with the inner pipe 8, so that the seed crystal and the source liquid can be uniformly mixed when the source liquid and the seed crystal are introduced into the inner pipe 8.

The inner tube 8 is equipped with heating structure outward, and is concrete, heating structure is including locating outer tube 7 outside the inner tube 8, is formed with inner chamber 9 between outer tube 7 and the inner tube 8, is equipped with heat transfer medium in the inner chamber 9, be equipped with heat transfer medium import 4 and the heat transfer medium export 5 with the inner chamber 9 intercommunication on the outer tube 7, among the crystallization reaction process, it is different according to the physicochemical property of material, let in different heat transfer medium in 4 to inner chamber 9 through heat transfer medium import, the temperature among the control crystallization reaction process.

The heat exchange medium outlet 5 is arranged at the end, close to the source liquid inlet pipe 1, of the outer pipe 7, the heat exchange medium inlet 4 is arranged at the end, close to the target crystal outlet 3, of the outer pipe 7, the heat exchange medium outlet 5 is arranged at the opposite side, along the radial direction of the outer pipe 7, of the heat exchange medium inlet 4, the heat exchange medium is more fully contacted with the inner pipe 8, and therefore the heat exchange medium can better control the temperature in the crystallization reaction process.

The utility model discloses a theory of operation does: when the crystal forming device is used, a source liquid and a seed crystal respectively enter the inner tube 8 through the source liquid inlet tube 1 and the seed crystal inlet tube 2, the source liquid can rapidly grow crystals under the action of the seed crystal, the sizes of the crystals are different and the crystals are not uniformly distributed, the generated crystals collide with the transverse tube 6 in the inner tube 8 under the pushing of the liquid, the crystals with relatively small particle sizes are dispersed into crystals with relatively small particle sizes, the dispersed crystals are shunted at the transverse tube 6, then the crystals are mixed in gaps among the transverse tubes 6 to form the crystals again, and finally, a target crystal form with uniform particle sizes is formed through multiple collision dispersion and mixing, so that the target crystal form can be obtained while the source liquid and the seed crystal are injected, the crystallization reaction time is shortened, and continuous reaction can be realized.

The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.

Claims

1. A pipe-line crystallization reactor, characterized in that: comprises an inner tube (8) and a plurality of cross-section tubes (6) arranged in the inner tube (8); a heating structure is arranged outside the inner pipe (8);

one end of the inner tube (8) is provided with a source liquid inlet tube (1) and a seed crystal inlet tube (2), and the other end is provided with a target crystal outlet (3); the plurality of cross-sectional tubes (6) are all axially vertical to the moving direction of the source liquid or the seed crystal.

2. A pipe crystallization reactor as claimed in claim 1, wherein: the heating structure comprises an outer tube (7) arranged outside the inner tube (8), an inner cavity (9) is formed between the outer tube (7) and the inner tube (8), a heat exchange medium is arranged in the inner cavity (9), and a heat exchange medium inlet (4) and a heat exchange medium outlet (5) which are communicated with the inner cavity (9) are formed in the outer tube (7).

3. A pipe crystallization reactor as claimed in claim 1, wherein: the seed crystal inlet pipe (2) is communicated with the source liquid inlet pipe (1), and the source liquid inlet pipe (1) is communicated with the inner pipe (8).

4. A pipe crystallization reactor as claimed in claim 1, wherein: the plurality of transverse pipes (6) are uniformly distributed in the inner pipe (8).