CN212962923U

CN212962923U - Shell pass outlet structure of large-flow heat exchange shell

Info

Publication number: CN212962923U
Application number: CN202021417068.7U
Authority: CN
Inventors: 李纳; 郑美娟; 王臻; 朱国荣; 徐华
Original assignee: Suzhou Shenghui Equipment Co ltd
Current assignee: Suzhou Shenghui Equipment Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-13
Anticipated expiration: 2030-07-17

Abstract

The utility model provides a shell side exit structure of large-traffic heat transfer casing, it is making the shell side medium in the barrel discharge through a plurality of medium holes, ensures the long-term steady operation of whole heat transfer structure. It includes the horizontal barrel of arranging, a plurality of heat exchange tubes have been arranged to the inner chamber of barrel, the upper surface of barrel is provided with at least one shell side medium entry along length direction, a plurality of liquid holes of having arranged along the length direction region in the bottom of barrel, be provided with a longitudinal section for semicircular bottom fishplate bar under the liquid hole, the length direction both ends of bottom fishplate bar are covered with the apron respectively, the top edge profile modeling of apron in the corresponding cambered surface of barrel arranges and welded connection the corresponding bottom cambered surface of barrel, the both sides limit of bottom fishplate bar welded connection respectively the corresponding bottom region of barrel, bottom fishplate bar, both ends apron and the regional encapsulation in bottom of barrel forms transition cavity.

Description

Shell pass outlet structure of large-flow heat exchange shell

Technical Field

The utility model relates to a technical field of heat transfer casing specifically is a shell side exit structure of large-traffic heat transfer casing.

Background

When carrying out the heat transfer, be provided with shell side export at its casing in current heat exchanger, current shell side export generally is single hole form, and when the in-service use, especially when being directed against large-traffic heat transfer casing, the shell side export of single hole form can not satisfy the demand, because flow is big, and the shell side medium can concentrate and gush to this hole among the heat transfer process for form great pressure in hole department, and then the casing of hole position easily takes place to damage, finally leads to sealed quilt to destroy.

Disclosure of Invention

To the problem, the utility model provides a shell side exit structure of large-traffic heat transfer casing, it is making the shell side medium in the barrel discharge through a plurality of medium holes, ensures the long-term steady operation of whole heat transfer structure.

The utility model provides a shell side outlet structure of large-traffic heat transfer casing which characterized in that: the heat exchange tube comprises a horizontally arranged barrel body, a plurality of heat exchange tubes are arranged in the inner cavity of the barrel body, at least one shell pass medium inlet is arranged on the upper surface of the barrel body along the length direction, a plurality of liquid outlet holes are arranged in the bottom of the barrel body along the length direction area, a bottom connecting plate with a semicircular longitudinal section is arranged under the liquid outlet holes, cover plates are respectively covered at two ends of the bottom connecting plate in the length direction, the upper edge of each cover plate is arranged along the corresponding cambered surface of the barrel body and is welded with the corresponding bottom cambered surface of the barrel body, two side edges of the bottom connecting plate are respectively welded with the corresponding bottom area of the barrel body, the bottom connecting plate, two end cover plates and the bottom area of the barrel body are packaged to form a transition cavity, the lower part of each liquid outlet hole is communicated with the transition cavity, and at least one liquid outlet tube protruding downwards is arranged at, the sectional area of all the liquid outlet pipes is not less than the total area of all the liquid outlet holes.

It is further characterized in that: when at least two shell-side medium inlets are arranged at intervals in the length direction of the upper surface of the cylinder body, the connecting line lengths of all the liquid outlet holes cover the connecting line lengths of all the shell-side medium inlets, and the connecting line lengths of all the liquid outlet holes cover the length of the bottom connecting plate, so that the shell-side medium is ensured to flow out of the inner cavity of the cylinder body quickly and reliably;

the circular arc position of bottom fishplate bar is the lowest department, just is provided with a convex drain pipe down corresponding to the length direction central point department of putting of bottom fishplate bar, and is single the sectional area of drain pipe is not less than the total area of all liquid holes.

Adopt the utility model discloses a behind the structure, the medium enters into the shell side through shell side medium entry, a heat transfer for the heat exchange tube, later enter into the bottom of barrel, flow into the transition cavity along the drain hole that corresponds the position, finally flow through the drain pipe, because the sectional area of all drain pipes is not less than the total area in all drain holes, and the medium dispersion just converges the transition cavity after each drain hole flows out, then flow through the drain pipe, the transition cavity has cushioned medium pressure, make the pressure that the drain pipe received less relatively, it is not fragile, it is making the shell side medium in the barrel discharge through a plurality of medium holes, ensure the long-term steady operation of whole heat transfer structure.

Drawings

Fig. 1 is a schematic front view structure diagram of the present invention;

FIG. 2 is a left side view schematic of the structure of FIG. 1;

the names corresponding to the sequence numbers in the figure are as follows:

the device comprises a cylinder body 1, an inner cavity 2, a heat exchange tube 3, a shell pass medium inlet 4, a liquid outlet hole 5, a bottom connecting plate 6, a side edge 61, a cover plate 7, a transition cavity 8 and a liquid outlet tube 9.

Detailed Description

A shell-side outlet structure of a high-flow heat exchange shell, which is shown in fig. 1 and 2: the heat exchanger comprises a horizontally arranged barrel body 1, a plurality of heat exchange tubes 3 are arranged in an inner cavity 2 of the barrel body 1, at least one shell side medium inlet 4 is arranged on the upper surface of the barrel body 1 along the length direction, a plurality of liquid outlet holes 5 are arranged on the bottom of the barrel body 1 along the length direction area, a bottom connecting plate 6 with a semicircular longitudinal section is arranged right below the liquid outlet holes 5, cover plates 7 are respectively covered at two ends of the bottom connecting plate 6 in the length direction, the upper edge of each cover plate 7 is arranged along the corresponding cambered surface of the barrel body 1 and is welded with the corresponding bottom cambered surface of the barrel body 1, two side edges 61 of the bottom connecting plate 6 are respectively welded with the corresponding bottom area of the barrel body 1, the bottom connecting plate 6, the two end cover plates 7 and the bottom area of the barrel body 1 are packaged to form a transition cavity 8, the lower part of each liquid outlet hole 5 is communicated with the transition cavity, the cross-sectional area of all outlet pipes 9 is not smaller than the total area of all outlet holes 5.

When at least two shell-side medium inlets 4 are arranged at intervals in the length direction of the upper surface of the cylinder body 1, the connecting line lengths of all the liquid outlet holes 5 cover the connecting line lengths of all the shell-side medium inlets 4, and the length of the bottom connecting plate 6 covers the connecting line lengths of all the liquid outlet holes 5, so that the shell-side medium is ensured to flow out of the inner cavity of the cylinder body quickly and reliably;

the lowest part of the circular arc position of the bottom connecting plate 6 and the central position of the length direction corresponding to the bottom connecting plate 6 are provided with a downward convex liquid outlet pipe 9, and the sectional area of the single liquid outlet pipe 9 is not less than the total area of all the liquid outlet holes 5.

The working principle is as follows: the medium enters into the shell side through shell side medium inlet, a heat exchange tube is used for heat exchange, then enter into the bottom of barrel, flow into the transition cavity along the liquid outlet hole of corresponding position, finally flow out through the liquid outlet pipe, because the sectional area of all liquid outlet pipes is not less than the total area of all liquid outlet holes, the total area of all liquid outlet holes is not less than the total area of all shell side medium inlets, and the medium disperses to each liquid outlet hole and flows out and then converges the transition cavity, then flow out through the liquid outlet pipe, the transition cavity buffers medium pressure, make the pressure that the liquid outlet pipe received relatively less, not fragile, it is making the shell side medium in the barrel discharge through a plurality of medium holes, ensure the long-term stable operation of whole heat exchange structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a shell side outlet structure of large-traffic heat transfer casing which characterized in that: the heat exchange tube comprises a horizontally arranged barrel body, a plurality of heat exchange tubes are arranged in the inner cavity of the barrel body, at least one shell pass medium inlet is arranged on the upper surface of the barrel body along the length direction, a plurality of liquid outlet holes are arranged in the bottom of the barrel body along the length direction area, a bottom connecting plate with a semicircular longitudinal section is arranged under the liquid outlet holes, cover plates are respectively covered at two ends of the bottom connecting plate in the length direction, the upper edge of each cover plate is arranged along the corresponding cambered surface of the barrel body and is welded with the corresponding bottom cambered surface of the barrel body, two side edges of the bottom connecting plate are respectively welded with the corresponding bottom area of the barrel body, the bottom connecting plate, two end cover plates and the bottom area of the barrel body are packaged to form a transition cavity, the lower part of each liquid outlet hole is communicated with the transition cavity, and at least one liquid outlet tube protruding downwards is arranged at, the sectional area of all the liquid outlet pipes is not smaller than the total area of all the liquid outlet holes, and the total area of all the liquid outlet holes is not smaller than the total area of all the shell-side medium inlets.

2. The shell-side outlet structure of a high flow heat exchange housing of claim 1, wherein: when at least two shell pass medium inlets are arranged at intervals in the length direction of the upper surface of the cylinder body, the connecting line length of all the liquid outlet holes covers the connecting line length of all the shell pass medium inlets, and the length of the bottom connecting plate covers the connecting line length of all the liquid outlet holes.

3. The shell-side outlet structure of a high flow heat exchange housing of claim 1, wherein: the circular arc position of bottom fishplate bar is the lowest department, just is provided with a convex drain pipe down corresponding to the length direction central point department of putting of bottom fishplate bar, and is single the sectional area of drain pipe is not less than the total area of all liquid holes.