Inner fin type tubular reaction device

By installing an auger fin structure inside the main pipeline, the problem of poor liquid turbulence in traditional tubular reactors is solved, achieving smooth liquid flow and improved reaction efficiency.

CN223717151UActive Publication Date: 2025-12-26SHENYANG SHIBODA INSTR
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Patent Information

Application Number
CN202520127560.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-26
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Traditional tubular reactors have internal fins inside straight tubes and spiral tubes, which generally result in poor liquid turbulence and are difficult to improve effectively.

Method used

An auger inner wing structure is installed inside the main pipeline, including a U-shaped connecting pipe and a sleeve. The pitch of the auger inner wing is four times the height of the sleeve, and the rotation angle is 45°. The auger inner wings on adjacent sleeves are connected end to end, and the outer diameter corresponds to the inner diameter of the main pipeline. They are fixed by a fixing bracket and a limiting rod.

Benefits of technology

It enhances the turbulence of the liquid inside the reactor, thereby improving reaction efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inner fin type tubular reaction device, which relates to the technical field of tubular reaction equipment and comprises a main pipeline, two ends of the main pipeline are respectively provided with a first connecting pipe and a second connecting pipe, and two ends of the main pipeline, two ends of the first connecting pipe and two ends of the second connecting pipe are respectively provided with a connecting flange. Fixing frames are fixedly connected between the outer sides of the two ends of the main pipeline and the first connecting pipe and between the outer sides of the two ends of the main pipeline and the second connecting pipe in a clamped mode, a limiting rod is arranged between the two fixing frames, a plurality of sleeves are sequentially arranged on the limiting rod and between the two fixing frames, and auger inner fins are arranged on the outer surfaces of the sleeves; compared with a traditional inner fin structure arranged in a straight pipe, the inner fin structure of the auger can guide the liquid to flow more smoothly, the turbulence effect of the liquid is improved, and the reaction effect of the liquid in the reactor is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tubular reaction equipment technical field, concretely relates to a kind of inner finned tubular reaction device. BACKGROUND

[0002] The inner finned tubular reaction device is a kind of efficient chemical reaction equipment, which is composed of a reaction tube with inner fins. The inner fins can significantly increase the heat transfer area. During the reaction process, the reactants flow in the tube and undergo chemical reactions. The inner fins strengthen the heat exchange between the fluid in the tube and the tube wall, making the heat transfer more rapid and uniform. This helps to accurately control the reaction temperature, improve the reaction efficiency and selectivity. The device has a compact structure and is suitable for various gas-liquid, liquid-liquid and other reaction systems. It is widely used in chemical industry, petroleum and other fields, and can effectively improve the economy and safety of the production process. Traditional tubular reactors are usually straight pipes and spiral pipes. In order to improve the turbulent effect of liquid, inner fins are usually arranged inside the straight pipe. However, the turbulent effect of liquid is generally not good in these two ways. SUMMARY

[0003] The utility model aims to provide a kind of inner finned tubular reaction device, to solve the problem that traditional tubular reactor is usually straight pipe and spiral pipe in the above background technology, in order to improve the turbulent effect of liquid, usually set up inner fin in the inside of straight pipe, but the turbulent effect of liquid is generally not good in these two ways.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an inner finned tubular reaction device, comprising a main pipeline, the two ends of the main pipeline are respectively connected with a No. 1 connecting pipe and a No. 2 connecting pipe, the two ends of the main pipeline, the two ends of the No. 1 connecting pipe and the two ends of the No. 2 connecting pipe are all provided with connecting flanges, the outer sides of the two ends of the main pipeline and the No. 1 connecting pipe and the No. 2 connecting pipe are all clamped and fixedly connected with a fixed frame, a limiting rod is arranged between the two fixed frames, a plurality of sleeves are sequentially arranged between the two fixed frames and on the limiting rod, the outer surface of the sleeve is provided with an auger inner fin.

[0005] Preferably, the No. 1 connecting pipe and the No. 2 connecting pipe are both in U-shaped structure, the lower end opening of the No. 1 connecting pipe is connected in communication with the left side of the main pipeline through the connecting flange, the upper end opening of the No. 2 connecting pipe is connected in communication with the right side of the main pipeline through the connecting flange, and detection pipe openings are arranged at the bending parts of the No. 1 connecting pipe and the No. 2 connecting pipe.

[0006] Preferably, the pitch of the inner wing of the auger is four times the height of the sleeve, the rotation angle of the inner wing of the auger arranged on each sleeve is 45°, the inner wing of the auger arranged on two adjacent sleeves is connected in sequence, and the outer diameter of the inner wing of the auger corresponds to the inner diameter of the main pipeline.

[0007] Preferably, a through hole is arranged on the fixing frame at a position corresponding to the main pipeline, and the outer end of the limiting rod is fixedly connected to the outer end of the fixing frame through a bolt.

[0008] Preferably, the limiting rod is a metal rod structure with a square cross section, and the opening of the sleeve corresponding to the limiting rod is a consistent square structure.

[0009] Compared with the prior art, the beneficial effects of the utility model are that the inner wing structure of the auger is arranged in the traditional straight pipe type pipe reactor, compared with the inner fin structure arranged in the traditional straight pipe, the inner wing structure of the auger guides the liquid flow more smoothly, improves the turbulent flow effect of the liquid, and improves the reaction effect of the liquid in the reactor. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the main structure of the utility model axonometric view;

[0011] Figure 2 It is the main structure of the utility model axonometric view;

[0012] Figure 3 It is the main structure of the utility model axonometric view;

[0013] Figure 4 It is the main structure of the utility model axonometric view;

[0014] Figure 5 It is the right view of the inner wing structure of the auger.

[0015] In the drawing: 1-main pipeline, 2-one connecting pipe, 3-two connecting pipes, 4-connecting flange, 5-fixing frame, 6-limiting rod, 7-sleeve, 8-inner wing of auger, 9-detection pipe, 10-through hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-5The utility model provides a kind of inner fin type tubular reactor, including main pipeline 1, the both ends of the main pipeline 1 are respectively one-way connecting pipe 2 and two-way connecting pipe 3, the both ends of the main pipeline 1, the both ends of the one-way connecting pipe 2 and the both ends of the two-way connecting pipe 3 are equipped with connecting flange 4, the both ends outside of the main pipeline 1 and the one-way connecting pipe 2 and the two-way connecting pipe 3 are all clamped and fixedly connected with fixed frame 5, limit rod 6 is equipped between two the fixed frame 5, multiple sleeve 7 are sequentially equipped between two the fixed frame 5 and on the limit rod 6, the outer surface of the sleeve 7 is equipped with auger inner fin 8.

[0018] When using, one-way connecting pipe 2 and two-way connecting pipe 3 are connected to the both ends of main pipeline 1 by connecting flange 4, and multiple main pipelines 1 are sequentially connected by one-way connecting pipe 2 and two-way connecting pipe 3, the connecting flange 4 arranged at the both ends of main pipeline 1 and one-way connecting pipe 2 and two-way connecting pipe 3 clamps and fixedly connects fixed frame 5, limit rod 6 is arranged between two fixed frames 5, and sleeve 7 is arranged on limit rod 6, sleeve 7 is clamped and fixedly connected by fixed frame 5, auger inner fin 8 is arranged on sleeve 7, to ensure that auger inner fins 8 between adjacent sleeves 7 are sequentially connected, to make liquid in main pipeline 1 turbulent by auger inner fin 8, to improve the turbulent effect of liquid in main pipeline 1, thereby improving the reaction effect of tubular reactor.

[0019] One-way connecting pipe 2 and two-way connecting pipe 3 are both U-shaped structures, the lower end opening of one-way connecting pipe 2 is connected to the left side of main pipeline 1 by connecting flange 4, the upper end opening of two-way connecting pipe 3 is connected to the right side of main pipeline 1 by connecting flange 4, and detection pipe 9 is arranged at the bending part of one-way connecting pipe 2 and two-way connecting pipe 3. Multiple main pipelines 1 are sequentially connected by one-way connecting pipe 2 and two-way connecting pipe 3, and detection pipe 9 is arranged on one-way connecting pipe 2 and two-way connecting pipe 3, to observe the turbulent effect of liquid in main pipeline 1 by detection pipe 9, and multiple detection devices are arranged in main pipeline 1 by detection pipe 9.

[0020] The pitch of auger inner fin 8 is four times the height of sleeve 7, the rotation angle of auger inner fin 8 arranged on each sleeve 7 is 45°, the auger inner fins 8 arranged on adjacent two sleeves 7 are sequentially connected head to tail, and the outer diameter of auger inner fin 8 corresponds to the inner diameter of main pipeline 1, to ensure that the auger inner fins 8 on adjacent two sleeves 7 are sequentially connected head to tail by setting the size requirement between auger inner fin 8 and sleeve 7, to ensure the smoothness of liquid passing through auger inner fin 8.

[0021] The fixed frame 5 is provided with a through hole 10 corresponding to the main pipeline 1, and the outer end of the limiting rod 6 is fixedly connected with the outer end of the fixed frame 5 through bolts, and the through hole 10 is arranged on the fixed frame 5, so that the connection firmness of the limiting rod 6 is ensured, and the flow of liquid through the fixed frame 5 is improved.

[0022] The limiting rod 6 is a metal rod structure with a square cross section, and the opening of the sleeve 7 corresponding to the limiting rod 6 is a consistent square structure, the limiting rod 6 with a square rod structure is designed to avoid rotation of the sleeve 7 relative to the limiting rod 6.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An inner finned tube reactor apparatus, characterized by: Including main pipeline (1), both ends of main pipeline (1) are respectively connected with pipe (2) and pipe (3), both ends of main pipeline (1), both ends of pipe (2) and both ends of pipe (3) are provided with connecting flange (4), both ends of main pipeline (1) are clamped and fixedly connected with fixing frame (5) between pipe (2) and pipe (3), limiting rod (6) is arranged between two fixing frames (5), a plurality of sleeves (7) are sequentially arranged between two fixing frames (5) and on limiting rod (6), the outer surface of sleeve (7) is provided with inner wing (8) of auger.

2. An inner finned tube reactor apparatus according to claim 1, wherein: Pipe (2) and pipe (3) are both U-shaped structure, the lower end opening of pipe (2) is communicated and connected with the left side of main pipeline (1) through connecting flange (4), the upper end opening of pipe (3) is communicated and connected with the right side of main pipeline (1) through connecting flange (4), the bending part of pipe (2) and pipe (3) is provided with detection pipe (9).

3. An inner finned tube reactor apparatus according to claim 1, wherein: The pitch of inner wing (8) of auger is four times the height of sleeve (7), the rotation angle of inner wing (8) of auger arranged on each sleeve (7) is 45°, the inner wing (8) of auger arranged on adjacent two sleeves (7) is sequentially connected, the outer diameter of inner wing (8) of auger corresponds to the inner diameter of main pipeline (1).

4. An inner finned tube reactor apparatus according to claim 1, wherein: The position corresponding to main pipeline (1) on fixing frame (5) is provided with through hole (10), the outer side end of limiting rod (6) is fixedly connected with the outer side end of fixing frame (5) through bolt.

5. An inner finned tube reactor apparatus according to claim 1, wherein: The limiting rod (6) is a metal rod structure with square cross section, the hole corresponding to sleeve (7) and limiting rod (6) is consistent with square structure.