CN211865011U

CN211865011U - Sulfonation pipeline reactor

Info

Publication number: CN211865011U
Application number: CN202020276072.XU
Authority: CN
Inventors: 刘永超; 钱炜雯; 吴景渊; 韩菊泉
Original assignee: Hunan Wugan Pharmaceutical Co ltd
Current assignee: Hunan Wugan Pharmaceutical Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-06
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a sulfonation pipeline reactor, it includes: the mixing pipe assembly is formed by connecting a plurality of groups of mixing pipe units end to end, and each group of mixing pipe units comprises a first mixing pipe and a second mixing pipe which are connected; the first mixing pipe comprises a first pipe body with a first feeding hole and a first discharging hole, a Venturi cavity formed in the first pipe body, and a sulfonating agent feeding hole formed in the outer wall of the first pipe body and communicated with the Venturi cavity; the second mixing pipe comprises a second pipe body with a second feeding hole and a second discharging hole, and a left-handed unit piece and a right-handed unit piece which are formed on the inner wall of the second pipe body and are alternately connected; the reaction tube assembly is arranged at the discharge end of the mixing tube assembly and comprises at least one reaction tube; a plurality of sets of cooling assemblies. Thereby eliminating the heat generated by sulfonation in time, avoiding the occurrence of sulfonation and being beneficial to improving the quality of sulfonated products.

Description

Sulfonation pipeline reactor

Technical Field

The utility model belongs to the chemical industry equipment field relates to a sulfonation reaction device, concretely relates to sulfonation pipeline reactor.

Background

The sulfonation reaction plays an important role in the field of modern chemical industry, is an important step for synthesizing various organic products, and has wide application in the industries such as medicine, pesticide, fuel, detergent, petroleum and the like. Some medicines have problems in clinical application due to poor water solubility, such as low bioavailability, large dosage, slow absorption in the body of prepared tablets or capsules, and the like. The compound can enhance the water solubility and the biological activity after being sulfonated.

The sulfonation reaction generally has the following characteristics: firstly, the heat release effect is obvious, and the excessive sulfonation is easy to occur due to insufficient heat removal, so that the increase of byproducts is caused; secondly, if the mixture is not uniform, the biological material is easy to be locally excessive, and the occurrence of multi-sulfonation is easy to be caused.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a sulfonation pipeline reactor with uniformly mixed materials.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a sulfonated tube reactor comprising:

the mixing pipe assembly is formed by connecting a plurality of groups of mixing pipe units end to end, and each group of mixing pipe units comprises a first mixing pipe and a second mixing pipe which are connected; the first mixing pipe comprises a first pipe body with a first feeding hole and a first discharging hole, a Venturi cavity formed in the first pipe body, and a sulfonating agent feeding hole formed in the outer wall of the first pipe body and communicated with the Venturi cavity; the second mixing pipe comprises a second pipe body with a second feeding hole and a second discharging hole, and a left-handed unit piece and a right-handed unit piece which are formed on the inner wall of the second pipe body and are alternately connected;

the reaction tube assembly is arranged at the discharge end of the mixing tube assembly and comprises at least one reaction tube;

the cooling assemblies are respectively formed on the first mixing pipe, the second mixing pipe and the outer pipe wall of the reaction pipe; each group of cooling assemblies comprises radiating fins formed on the outer pipe wall, a jacket sleeved outside the outer pipe wall in a sealing manner, and a liquid inlet and a liquid outlet which are arranged on the jacket.

Preferably, the heat dissipation fins are helical.

Further, each set of cooling assemblies further comprises a plurality of sets of baffles formed on the inner wall of the jacket.

Optimally, the two ends of the first mixing pipe are provided with first flanges for connection, the two ends of the second mixing pipe are provided with second flanges for connection, and the two ends of the reaction pipe are provided with third flanges for connection.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the sulfonation pipeline reactor of the utility model adopts a plurality of groups of material mixing pipe units formed by connecting the first material mixing pipe and the second material mixing pipe to be connected end to end on one hand, thus forming a two-stage material mixing structure, and can add sulfonating agent into the main raw material in a plurality of points, which is beneficial to fully mixing the reaction raw materials and improving the sulfonation reaction efficiency; on the other hand, the sulfonation device is matched with a plurality of groups of cooling assemblies, so that heat generated by sulfonation is eliminated in time, occurrence of sulfonation is avoided, and the quality of a sulfonated product is improved.

Drawings

FIG. 1 is a schematic diagram of the sulfonation pipeline reactor of the present invention;

FIG. 2 is a schematic structural view of a first mixing pipe of the sulfonation pipe reactor of the present invention;

FIG. 3 is a schematic structural view of a second mixing pipe of the sulfonation pipe reactor of the present invention;

FIG. 4 is an enlarged view of the interior of the sulfonation pipe reactor of the present invention.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

The sulfonation pipeline reactor shown in fig. 1 mainly comprises a mixing pipe assembly 1, a reaction pipe assembly 2 and a cooling assembly 3 (the direction of small arrows in fig. 1 is the conveying direction of materials).

The mixing pipe assembly 1 is formed by connecting a plurality of groups of mixing pipe units end to end, and the two ends of the mixing pipe assembly are respectively a feeding end (used for feeding the main sulfonation raw material and can be connected with a storage container of the main sulfonation raw material) and a discharging end; each group of mixing pipe units comprises a first mixing pipe 11 and a second mixing pipe 12 which are connected with each other (both ends of the first mixing pipe 11 are provided with first flanges 113 for connection, and both ends of the second mixing pipe 12 are provided with second flanges 122 for connection, so that the first mixing pipe 11 and the second mixing pipe 12 can be connected, communicated and simultaneously arranged through fasteners such as a plurality of bolts and the like and the flanges. The first mixing pipe 11 includes a first pipe 111 having a first inlet and a first outlet, a venturi chamber 112 formed in the first pipe 111, and a sulfonating agent inlet 114 (shown in fig. 2) formed on an outer wall of the first pipe 111 and communicating with the venturi chamber 112. Namely, the two ends of the first pipe 111 are respectively a first feeding hole and a first discharging hole; the venturi cavity 112 is located in the first pipe body 111 between the first feeding hole and the first discharging hole; a sulfonating agent feed port 114 is located on the outer wall of the first tube 111 between the first inlet and the first outlet, and near the first inlet, and extends into and communicates with the venturi chamber 112. As shown in fig. 3, the second mixing pipe 12 includes a second pipe body 121 having a second inlet and a second outlet, and a left-handed unit piece 123 and a right-handed unit piece 124 formed on an inner wall of the second pipe body 121 and alternately connected (such that the left-handed unit piece 123 and the right-handed unit piece 124 are positioned inside the second pipe body 121); when the first mixing pipe 11 and the second mixing pipe 12 are connected, the first discharge port and the second feed port are butted and matched. A plurality of groups of mixing pipe units (in the embodiment, three groups of mixing pipe units) formed by connecting a first mixing pipe 11 and a second mixing pipe 12 are adopted, and the plurality of groups of mixing pipe units are connected end to end, so that a two-stage mixing structure can be formed; and the sulfonating agent can be added into the main raw material at multiple points by using the sulfonating agent feed inlet 114, so that the full mixing of the reaction raw materials is facilitated, the sulfonation reaction efficiency is improved, and the local overheating is avoided.

The reactor tube assembly 2 is mounted at the discharge end of the mixer tube assembly 1 (i.e. downstream of the mixer tube assembly 1) and comprises at least one reactor tube 21, while the reactor tube 21 has third flanges 211 at both ends for connection between two adjacent reactor tubes 21 on the one hand and for connection of the reactor tube 21 to a second mixture tube 12 (adjacent to the reactor tube 21) on the other hand.

The cooling modules 3 have a plurality of groups, the number of which is the same as the total number of the first mixing pipe 11, the second mixing pipe 12 and the reaction pipe 21, which are formed on the outer circumferential walls of the first mixing pipe 11, the second mixing pipe 12 and the reaction pipe 21, respectively, as shown in fig. 4. Each group of cooling assemblies 3 comprises a heat dissipation fin 31 formed on the outer tube wall (i.e. the outer tube wall of the first mixing tube 11, the second mixing tube 12 or the reaction tube 21), a jacket 32 hermetically sealed outside the outer tube wall (i.e. the outer tube wall of the first mixing tube 11, the second mixing tube 12 or the reaction tube 21), and a liquid inlet 35 and a liquid outlet 34 arranged on the jacket 32; namely, the jacket 32 is formed on the outer wall of the first mixing pipe 11, the second mixing pipe 12 or the reaction pipe 21 to form a sealing structure correspondingly, and the cooling medium can enter and exit only through the liquid inlet 35 and the liquid outlet 34; whereas inlet 35 and outlet 34 are typically located at opposite ends of jacket 32 and are offset to increase the flow path of the cooling medium.

In the present embodiment, the heat dissipation fins 31 are generally helical, so as to improve the heat dissipation effect during the sulfonation reaction; and each set of cooling modules 3 further includes a plurality of sets of baffles 33 formed on the inner wall of the jacket 32 to enhance the cooling effect of the cooling medium.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A sulfonated pipe reactor, comprising:

the mixing pipe assembly (1) is formed by connecting a plurality of groups of mixing pipe units end to end, and each group of mixing pipe units comprise a first mixing pipe (11) and a second mixing pipe (12) which are connected; the first mixing pipe (11) comprises a first pipe body (111) with a first feeding hole and a first discharging hole, a Venturi cavity (112) formed in the first pipe body (111), and a sulfonating agent feeding hole (114) formed in the outer wall of the first pipe body (111) and communicated with the Venturi cavity (112); the second mixing pipe (12) comprises a second pipe body (121) with a second feeding hole and a second discharging hole, and a left-handed unit piece (123) and a right-handed unit piece (124) which are formed on the inner wall of the second pipe body (121) and are alternately connected;

the reaction tube assembly (2) is arranged at the discharge end of the mixing tube assembly (1) and comprises at least one reaction tube (21);

a plurality of groups of cooling assemblies (3), wherein the plurality of groups of cooling assemblies (3) are respectively formed on the outer wall of the first mixing pipe (11), the second mixing pipe (12) and the reaction pipe (21); each group of cooling assemblies (3) comprises radiating fins (31) formed on the outer tube wall, a jacket (32) hermetically arranged outside the outer tube wall, and a liquid inlet (35) and a liquid outlet (34) arranged on the jacket (32).

2. The sulfonated tube reactor of claim 1, wherein: the heat radiating fins (31) are spiral.

3. The sulfonation pipe reactor of claim 1 or 2, wherein: each set of cooling modules (3) further comprises a plurality of sets of baffles (33) formed on the inner wall of the jacket (32).

4. The sulfonated tube reactor of claim 1, wherein: the two ends of the first mixing pipe (11) are provided with first flanges (113) for connection, the two ends of the second mixing pipe (12) are provided with second flanges (122) for connection, and the two ends of the reaction pipe (21) are provided with third flanges (211) for connection.