CN215893387U

CN215893387U - Flexible thin pipe plate structure for vertical large-diameter equipment

Info

Publication number: CN215893387U
Application number: CN202122424122.1U
Authority: CN
Inventors: 张洪德; 侯永军; 赵俊豪; 冯超超; 王吉敏; 陈宝玺
Original assignee: Lanzhou Shuopu New Energy Technology Co ltd; Henan Jinkong Tianqing Coal Chemical Co Ltd
Current assignee: Lanzhou Shuopu New Energy Technology Co ltd; Henan Jinkong Tianqing Coal Chemical Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-22
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a flexible thin tube plate structure for vertical large-diameter equipment, and relates to the technical field of vertical waste heat boilers. The flexible thin tube plate component comprises a tube box, a flexible thin tube plate component, a shell pass tube body and a water spraying tube component, wherein one port of the flexible thin tube plate component is welded with the port of the tube box, the other port of the flexible thin tube plate component is welded with the port of the shell pass tube body, the water spraying tube component is installed in the shell pass tube body, the flexible thin tube plate component comprises a tube body, a transition part, a flat plate and a deflection wing, and the flat plate is connected with the tube body through the transition part. This a flexible thin tube sheet structure for vertical major diameter equipment, transition portion can produce certain elastic variable, and partial compensation thermal expansion is poor, satisfies the needs that reduce the difference in temperature stress, and the baffling wing sets up on flexible thin tube sheet component, and it both can improve heat transfer effect, still plays the effect of supporting the tube bank, has improved the stress state of tube sheet with the heat exchange tube, reduces the stress level, very big increase of service life.

Description

Flexible thin pipe plate structure for vertical large-diameter equipment

Technical Field

The utility model relates to the technical field of vertical waste heat boilers, in particular to a flexible thin tube plate structure for vertical large-diameter equipment.

Background

In the coal chemical industry, the temperature of the crude gas at the outlet of the gasification furnace is 850-.

In the current industrial application, a flexible thin tube plate structure is generally adopted, the temperature difference stress in the tube plate thickness direction can be reduced by adopting the structure, and the stress level of a tube plate and a heat exchange tube joint is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention provides a flexible thin tube plate structure for a vertical large-diameter apparatus to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a flexible thin tube plate structure for vertical large-diameter equipment comprises a tube box, a flexible thin tube plate member, a shell-side cylinder and a water spray tube member, wherein one port of the flexible thin tube plate member is welded with the port of the tube box, the other port of the flexible thin tube plate member is welded with the port of the shell-side cylinder, and the water spray tube member is arranged in the shell-side cylinder;

the flexible thin tube plate member comprises an outer cylinder, a transition part, a flat plate and a baffle wing, wherein the flat plate is connected with the outer cylinder through the transition part, and the baffle wing is arranged at the transition part.

Furthermore, a support plate is welded in the shell pass cylinder, and the water spray pipe component is positioned on the support plate.

Furthermore, the spray pipe component is evenly distributed with spray holes, and two ends of the spray pipe component are provided with pipe connectors.

Furthermore, tube plate interfaces are arranged at two ends of the outer cylinder body and are positioned below the transition part.

Furthermore, the transition part is of an arc-shaped structure, and the baffling wings are horizontally laid.

Furthermore, the flat plate is provided with heat exchange channels which are uniformly distributed on the flat plate.

Compared with the prior art, the utility model provides a flexible thin tube plate structure for vertical large-diameter equipment, which has the following beneficial effects:

this a flexible thin tube sheet structure for vertical major diameter equipment, transition portion can produce certain elastic variable, and partial compensation thermal expansion is poor, satisfies the needs that reduce the difference in temperature stress, and the baffling wing sets up on flexible thin tube sheet component, and it both can improve heat transfer effect, still plays the effect of supporting the tube bank, has improved the stress state of tube sheet with the heat exchange tube, reduces the stress level, very big increase of service life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a structural view of a flexible thin tube sheet member of the present invention.

In the figure: 1. a pipe box; 2. a flexible thin tube sheet member; 3. a shell-side cylinder; 4. a sprinkler pipe member; 5. an outer cylinder; 6. a transition section; 7. a flat plate; 8. a baffle wing; 9. a support plate; 10. a water spray hole; 11. a pipe interface; 12. a tube sheet interface; 13. a heat exchange channel.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention discloses a flexible thin tube plate structure for a vertical large diameter device, including a tube box 1, a flexible thin tube plate member 2, a shell-side cylinder 3 and a water spray tube member 4, wherein one port of the flexible thin tube plate member 2 is welded to a port of the tube box 1, the other port of the flexible thin tube plate member 2 is welded to a port of the shell-side cylinder 3, and the water spray tube member 4 is installed in the shell-side cylinder 3;

the flexible thin tube plate member 2 comprises an outer cylinder 5, a transition part 6, a flat plate 7 and baffle wings 8, wherein the flat plate 7 is connected with the outer cylinder 5 through the transition part 6, the baffle wings 8 are arranged at the transition part 6, the transition part 6 can generate certain elastic variables, the thermal expansion difference is partially compensated, the requirement of reducing the temperature difference stress is met, and the baffle wings 8 are arranged on the flexible thin tube plate member 2, so that the heat transfer effect can be improved, the tube bundle supporting effect is achieved, the stress state of the tube plate and the heat exchange tube is improved, the stress level is reduced, and the service life is greatly prolonged.

Specifically, a support plate 9 is welded in the shell-side cylinder 3, and the spray pipe component 4 is positioned on the support plate 9.

In this embodiment, the supporting plate 9 is used to support the spray pipe member 4, thereby ensuring the installation stability of the spray pipe member 4.

Specifically, the spray pipe member 4 is uniformly distributed with spray holes 10, and two ends of the spray pipe member 4 are provided with pipe interfaces 11.

In the embodiment, the water from the water spraying holes 10 of the water spraying pipe component 4 can well disperse the saturated steam on the lower side of the tube plate so as to achieve the long-term safe operation of the tube plate.

Specifically, the two ends of the outer cylinder 5 are provided with tube plate interfaces 12, and the tube plate interfaces 12 are located below the transition portion 6.

In this embodiment, the steam on the lower side of the flat plate 7 can be discharged from the tube plate interface 12, and the heat dissipation efficiency is improved.

Specifically, the transition portion 6 is an arc-shaped structure, and the baffle wings 8 are horizontally laid.

In this embodiment, the transition portion 6 can generate a certain elastic variable to partially compensate the thermal expansion difference and meet the requirement of reducing the temperature difference stress, and the baffle wings 8 are arranged on the flexible thin tube plate member 2, so that the heat transfer effect can be improved, and the tube bundle supporting function is also realized.

Specifically, the flat plate 7 is provided with heat exchange channels 13, and the heat exchange channels 13 are uniformly distributed on the flat plate 7.

In this embodiment, the heat exchange channel 13 penetrates the flat plate 7, so that steam can be discharged upwards, and can flow down from the heat exchange channel 13 after being cooled and condensed on the upper part of the flat plate 7.

When the heat exchanger is used, the transition part 6 can generate certain elastic variables, the thermal expansion difference is partially compensated, the requirement of reducing the temperature difference stress is met, the baffle wings 8 are arranged on the flexible thin tube plate member 2, the heat transfer effect can be improved, the tube bundle supporting effect is also achieved, the stress state of the tube plate and the heat exchange tube is improved, the stress level is reduced, and the service life is greatly prolonged.

To sum up, according to the flexible thin tube plate structure for the vertical large-diameter equipment, the transition part 6 can generate certain elastic variables, the thermal expansion difference is partially compensated, the requirement of reducing the temperature difference stress is met, the baffle wings 8 are arranged on the flexible thin tube plate member 2, the heat transfer effect can be improved, the effect of supporting a tube bundle is also achieved, the stress state of the tube plate and the heat exchange tube is improved, the stress level is reduced, and the service life is greatly prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible thin tube plate structure for vertical large-diameter equipment comprises a tube box (1), a flexible thin tube plate component (2), a shell pass cylinder (3) and a water spray tube component (4), and is characterized in that: one port of the flexible thin tube plate member (2) is welded with the port of the tube box (1), the other port of the flexible thin tube plate member (2) is welded with the port of the shell-side cylinder (3), and the water spray tube member (4) is arranged in the shell-side cylinder (3);

the flexible thin tube plate member (2) comprises an outer cylinder (5), a transition part (6), a flat plate (7) and a baffle wing (8), wherein the flat plate (7) is connected with the outer cylinder (5) through the transition part (6), and the baffle wing (8) is arranged at the transition part (6).

2. A flexible thin tube sheet structure for vertical large diameter equipment according to claim 1, wherein: a supporting plate (9) is welded in the shell pass cylinder (3), and the water spray pipe component (4) is positioned on the supporting plate (9).

3. A flexible thin tube sheet structure for vertical large diameter equipment according to claim 1, wherein: the water spraying pipe component (4) is uniformly distributed with water spraying holes (10), and two ends of the water spraying pipe component (4) are provided with pipe connectors (11).

4. A flexible thin tube sheet structure for vertical large diameter equipment according to claim 1, wherein: and tube plate interfaces (12) are arranged at two ends of the outer cylinder body (5), and the tube plate interfaces (12) are positioned below the transition part (6).

5. A flexible thin tube sheet structure for vertical large diameter equipment according to claim 1, wherein: the transition part (6) is of an arc-shaped structure, and the baffling wings (8) are horizontally laid.

6. A flexible thin tube sheet structure for vertical large diameter equipment according to claim 1, wherein: the flat plate (7) is provided with heat exchange channels (13), and the heat exchange channels (13) are uniformly distributed on the flat plate (7).