CN213273914U

CN213273914U - Adjustable tube plate cooling structure

Info

Publication number: CN213273914U
Application number: CN202120167809.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jinan Haiyao New Energy Equipment Co ltd
Current assignee: Jinan Haiyao New Energy Equipment Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-05-25
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to the technical field of heat exchange equipment, and an adjustable tube plate cooling structure is disclosed, including upper flange, cooling air pipe, upper portion outer barrel, upper portion inner barrel, upper cover plate, upper tube plate, lower cover plate, inner barrel, outer barrel, air inlet elbow, the bottom of upper flange is provided with upper portion outer barrel, upper portion inner barrel, upper portion outer barrel one side is provided with the cooling air pipe, one side of cooling air pipe is provided with first valve, the bottom of upper portion inner barrel is provided with the upper cover plate, and upper portion inner barrel constitutes cooling air annular wind channel with upper portion outer barrel, upper flange jointly; a first space can be formed between the upper cover plate and the upper tube plate, a second space is formed between the upper tube plate and the lower cover plate, and the inner cylinder and the outer cylinder form an annular air duct. This adjustable tube sheet cooling structure through the aperture to first, second valve regulation, realizes the regulation to tube sheet cooling temperature.

Description

Adjustable tube plate cooling structure

Technical Field

The utility model relates to a indirect heating equipment technical field specifically is an adjustable tube sheet cooling structure.

Background

The shell-and-tube heat exchanger widely used in various fields for many years mainly reuses heat in high-temperature media, improves the utilization efficiency of the heat and achieves the aim of saving energy. In the past, a heat exchange section body of a shell-and-tube heat exchanger adopts a single-tube plate or double-tube plate structure, at least one surface of a tube plate is contacted with a high-temperature medium, the performance of the tube plate material can be greatly reduced, but the tube plate also needs to bear load and has strict requirements on strength, all the tube plates need to use a large amount of high-temperature-resistant materials on the premise of meeting the strength and safety, and the cost is very high. If the temperature of the air preheater is increased, the heat generated by the flue gas or tail gas of the reaction furnace is fully utilized, and the original equipment structure cannot meet the requirements on safety and economy. Therefore, there is a need to develop a heat exchanger, which can meet the strength requirement at high temperature, and at the same time, can reduce the cost, and is beneficial to wide application. To this end, we propose an adjustable tube sheet cooling structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable tube sheet cooling structure has solved the problem that the above-mentioned background proposed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable tube sheet cooling structure, includes barrel, upper cover plate, upper tube plate, apron down in the outer barrel of upper portion, the upper portion of upper flange, cooling tuber pipe, upper portion, interior barrel, outer barrel, air inlet elbow, the bottom of upper flange is provided with the outer barrel in upper portion, the interior barrel in upper portion, barrel one side is provided with the cooling tuber pipe outside the upper portion, one side of cooling tuber pipe is provided with first valve.

Preferably, the bottom of the upper inner cylinder is provided with an upper cover plate, and the upper inner cylinder, the upper outer cylinder and the upper flange jointly form an annular cooling air duct.

Preferably, a first space may be formed between the upper cover plate and the upper tube plate, and a second space may be formed between the upper tube plate and the lower cover plate.

Preferably, the inner cylinder and the outer cylinder form an annular air duct.

Preferably, the air inlet elbow is respectively arranged at the bottom of the annular air duct and the top of the inner cylinder body.

Preferably, the top of the upper cover plate is provided with a heat-insulating refractory castable material for insulating heat of a heat medium, so that the upper cover plate can be protected.

Preferably, the first valve is installed on a main inlet passage of the cooling medium, and the second valve is installed on a cooling pipe leading from the main passage.

The utility model provides an adjustable tube sheet cooling structure. This adjustable tube sheet cooling structure possesses following beneficial effect:

this adjustable tube sheet cooling structure, through the coolant passageway that upper cover plate, upper tube sheet, lower cover plate and ectonexine barrel formed, guarantee that tube sheet and outer barrel can not overtemperature when heat exchanger high temperature operation, have sufficient intensity. The inlet amount of the cooling medium and the inlet amount of the cooling medium are controlled by adjusting the opening degrees of the first valve and the second valve which are arranged on the main cooling medium channel and the cooling pipeline, so that the purpose of adjustment is realized.

Drawings

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

FIG. 2 is a schematic view of the upper plate coolant openings;

FIG. 3 is a schematic view of the upper tube sheet coolant apertures;

FIG. 4 is a schematic view of the inlet angle of the cooling air duct.

In the figure: the cooling air pipe comprises an upper flange 1, a cooling air pipe 2, an upper outer cylinder 3, an upper inner cylinder 4, an upper cover plate 5, an upper tube plate 6, a lower cover plate 7, an inner cylinder 8, an outer cylinder 9 and an air inlet elbow 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: an adjustable tube plate cooling structure comprises an upper flange 1, a cooling air pipe 2, an upper outer cylinder 3, an upper inner cylinder 4, an upper cover plate 5, an upper tube plate 6, a lower cover plate 7, an inner cylinder 8, an outer cylinder 9 and an air inlet elbow 10, wherein the upper outer cylinder 3 and the upper inner cylinder 4 are arranged at the bottom of the upper flange 1, the upper cover plate 5 is arranged at the bottom of the upper inner cylinder 4, the upper outer cylinder 3 and the upper flange 1 jointly form an annular cooling air duct, a first space can be formed between the upper cover plate 5 and the upper tube plate 6, a second space is formed between the upper tube plate 6 and the lower cover plate 7, the cooling air pipe 2 is arranged at one side of the upper outer cylinder 3, a first valve is arranged at one side of the cooling air pipe 2, the inner cylinder 8 and the outer cylinder 9 form an annular air duct, the air inlet elbow 10 is respectively arranged at the bottom of the annular duct and the top of the inner cylinder 8, and the top, can protect upper cover plate 5, first valve is installed on the main inlet channel of cold medium, and the second valve is installed on the cooling tube who draws forth from the main entrance, through the cooling medium passageway that upper cover plate 5, upper tube plate 6, lower cover plate 7 and ectonexine barrel formed, guarantees that tube sheet and outer barrel can not the overtemperature when heat exchanger high temperature operation, has sufficient intensity. The inlet amount of the cooling medium and the inlet amount of the cooling medium are controlled by adjusting the opening degrees of the first valve and the second valve which are arranged on the main cooling medium channel and the cooling pipeline, so that the purpose of adjustment is realized.

This adjustable tube sheet cooling structure is when using, through upper cover plate 5, go up tube sheet 6, it is first that apron 7 constitutes down, measures such as second space, tube sheet operating temperature has been reduced, the material requirement of tube sheet has been reduced, guarantee again that the tube sheet has sufficient intensity, the cost of manufacture and the degree of difficulty have been reduced, the valve is installed additional respectively with the cooling tube to cold medium main entrance, through adjusting two valve apertures, control cold medium gets into the cooling tube volume, realize regulatory function, a plurality of pipelines and the tangential certain angle of tangential that the cooling medium got into annular duct, avoid the straight-flushing barrel when making the cooling medium get into annular duct, form the whirl effect, reduce flow resistance.

In conclusion, the cooling medium channel formed by the upper cover plate 5, the upper tube plate 6, the lower cover plate 7 and the inner and outer layer cylinders can ensure that the tube plates and the outer cylinder cannot be over-heated and have enough strength when the heat exchanger operates at high temperature. The inlet amount of the cooling medium and the inlet amount of the cooling medium are controlled by adjusting the opening degrees of the first valve and the second valve which are arranged on the main cooling medium channel and the cooling pipeline, so that the purpose of adjustment is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable tube sheet cooling structure, includes barrel (4), upper cover plate (5), top tube plate (6), apron (7) down in upper portion, barrel (4) in upper flange (1), cooling tuber pipe (2), the outer barrel in upper portion (3), upper portion, interior barrel (8), outer barrel (9), air inlet elbow (10), its characterized in that: the bottom of the upper flange (1) is provided with an upper outer barrel (3) and an upper inner barrel (4), one side of the upper outer barrel (3) is provided with a cooling air pipe (2), and one side of the cooling air pipe (2) is provided with a first valve.

2. An adjustable tube sheet cooling arrangement as set forth in claim 1, wherein: an upper cover plate (5) is arranged at the bottom of the upper inner cylinder (4), and the upper inner cylinder (4), the upper outer cylinder (3) and the upper flange (1) jointly form a cooling air annular air channel.

3. An adjustable tube sheet cooling arrangement as set forth in claim 1, wherein: a first space can be formed between the upper cover plate (5) and the upper tube plate (6), and a second space is formed between the upper tube plate (6) and the lower cover plate (7).

4. An adjustable tube sheet cooling arrangement as set forth in claim 1, wherein: the inner cylinder (8) and the outer cylinder (9) form an annular air duct.

5. An adjustable tube sheet cooling arrangement as set forth in claim 4, wherein: the air inlet elbow (10) is respectively arranged at the bottom of the annular air duct and the top of the inner cylinder body (8).

6. An adjustable tube sheet cooling arrangement as set forth in claim 1, wherein: the top of the upper cover plate (5) is provided with a heat-insulating refractory castable material for insulating heat of a heat medium, so that the upper cover plate (5) can be protected.

7. An adjustable tube sheet cooling arrangement as set forth in claim 1, wherein: the first valve is mounted on the main inlet channel of the cooling medium and the second valve is mounted on the cooling pipe leading from the main channel.