CN211601656U

CN211601656U - Shell-and-tube heat exchanger with buffer frame

Info

Publication number: CN211601656U
Application number: CN201921776711.2U
Authority: CN
Inventors: 袁美兰
Original assignee: Jiangsu Huxiao Heat Exchange Equipment Co ltd
Current assignee: Jiangsu Huxiao Heat Exchange Equipment Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-09-29
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger with a buffer frame, which comprises a heat exchanger shell, wherein a support fixing ring is symmetrically sleeved in the middle of the outer wall of the heat exchanger shell, a heat exchanger support is fixedly arranged at the lower side of the support fixing ring, a right side oil circuit interface is fixedly connected with the right lower side of the heat exchanger shell, a right side fixing flange is fixedly connected with the right side of the heat exchanger shell, a right side head flange is fixedly arranged at the right side of the right side fixing flange, a right side head is fixedly connected with the right side of the right side head flange, a head gasket is arranged between the right side fixing flange and the right side head flange, a left side oil circuit interface is fixedly connected with the upper left side of the, the operation is simple, the functions are rich, the stability and the practicability are higher, and certain popularization value is achieved.

Description

Shell-and-tube heat exchanger with buffer frame

Technical Field

The utility model relates to a shell and tube type heat exchanger technical field specifically is a shell and tube type heat exchanger with buffer bracket.

Background

The shell-and-tube heat exchanger, also called tube heat exchanger, is made up of parts such as the body, heat transfer tube bundle, tube sheet, baffling board (baffle) and tube case, the body is mostly cylindrical, the inside is equipped with the tube bundle, the tube bundle both ends are fixed on tube sheet, carry on the cold and hot two kinds of fluid of heat exchange, one flows in the tube, called tube side fluid; the other fluid flows outside the pipe and is called as shell-side fluid, and in chemical industry, petroleum refining and coal chemical industry production, a shell-and-tube heat exchanger is generally adopted for heat exchange in order to achieve the purposes of heating, preheating and evaporation and reduce the energy consumption of the device.

The liquid of current shell and tube heat exchanger directly pours into through the inlet into can be internal, will lead to liquid and tube bank, tube sheet to cause the impact, can cause the harm to tube bank and tube sheet to a certain extent to can lead to its life to reduce, consequently need a shell and tube heat exchanger with buffer frame to make improvement to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell and tube heat exchanger with buffer bracket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a shell-and-tube heat exchanger with a buffer frame comprises a heat exchanger shell, wherein a support fixing ring is symmetrically sleeved in the middle of the outer wall of the heat exchanger shell, a heat exchanger support is fixedly mounted at the lower side of the support fixing ring, a right oil way interface is fixedly connected at the right lower side of the heat exchanger shell, a right fixing flange is fixedly connected at the right side of the heat exchanger shell, a right end socket flange is fixedly mounted at the right side of the right fixing flange, a right end socket is fixedly connected at the right side of the right end socket flange, an end socket gasket is mounted between the right fixing flange and the right end socket flange, a left oil way interface is fixedly connected at the left upper side of the heat exchanger shell, a left fixing flange is fixedly connected at the left side of the heat exchanger shell, a heat exchanger tube plate is fixedly mounted at the left, the left side of the left side head flange is fixedly connected with a left side head, the upper left side of the left side head is fixedly connected with a water outlet, the lower left side of the left side head is fixedly provided with a water inlet, the middle part of the inner wall of the left side head is fixedly provided with a middle partition plate, the inner wall of the left side head and the position corresponding to the water inlet are fixedly provided with a buffer frame, the left side of the buffer frame and the connection part of the left side head are fixedly provided with a buffer support leg, the buffer support leg comprises an outer loop bar and an inner loop bar, the inner wall of the left side of the outer loop bar is sleeved with an inner loop bar, the outer loop bar and the outer part of the inner loop bar are sleeved with an outer buffer spring, the inner part of the outer loop bar and the inner loop bar are fixedly provided with an inner buffer spring, the right side, the outer wall of the tube bundle is fixedly provided with a spiral baffle plate.

Preferably, the end parts of the right side oil way connector and the left side oil way connector are fixedly provided with flange plates.

Preferably, the both ends of buffering landing leg are all fixed mounting have the mounting panel, and the mounting panel is connected with outside loop bar, inside loop bar, outside buffer spring, inside buffer spring respectively.

Preferably, the water inlet is communicated with the water outlet through a pipe bundle.

Preferably, the tube bundle is distributed on the tube plate of the heat exchanger in a multilayer circumference shape.

Preferably, the right side of the buffer cover is circumferentially distributed with buffer holes, and the buffer cover is in a hemispherical shell shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, can play the effect of buffering to the liquid that the water inlet got into through the inside buffer spring who sets up and outside buffer spring, reduce the impact force between buffer shield and the liquid, can slow down the velocity of flow of liquid simultaneously, meanwhile the right side of buffer shield is the circumference and distributes and have the buffering hole, and the shape of buffer shield can make liquid flow to buffer shield department can cushion along hemisphere casing for hemisphere shell shape, and then play the effect of the impact force of further reduction liquid, can make the velocity of flow of liquid reduce the impact force that slows down liquid simultaneously whole to say, avoid tube bank and heat exchanger tube sheet to receive the impact and damage, holistic life has been prolonged to a certain extent.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the heat exchanger partition of the present invention;

fig. 4 is a schematic view of the structure of the buffer frame of the present invention.

In the figure: 1-heat exchanger shell, 2-support fixing ring, 3-heat exchanger support, 4-right side oil way interface, 5-right side fixing flange, 6-right side end socket flange, 7-right side end socket, 8-end socket gasket, 9-left side oil way interface, 10-left side fixing flange, 11-heat exchanger tube plate, 12-left side end socket flange, 13-left side end socket, 14-water outlet, 15-water inlet, 16-middle partition plate, 17-buffer frame, 18-buffer support leg, 19-external loop bar, 20-internal loop bar, 21-external buffer spring, 22-internal buffer spring, 23-buffer cover, 24-tube bundle and 25-spiral baffle plate.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a shell-and-tube heat exchanger with a buffer frame comprises a heat exchanger shell 1, a support fixing ring 2 is symmetrically sleeved in the middle of the outer wall of the heat exchanger shell 1, a heat exchanger support 3 is fixedly installed at the lower side of the support fixing ring 2, a right oil way interface 4 is fixedly connected at the right lower side of the heat exchanger shell 1, a right fixing flange 5 is fixedly connected at the right side of the heat exchanger shell 1, a right sealing flange 6 is fixedly installed at the right side of the right fixing flange 5, a right sealing head 7 is fixedly connected at the right side of the right sealing flange 6, a sealing head gasket 8 is installed between the right fixing flange 5 and the right sealing flange 6, a left oil way interface 9 is fixedly connected at the upper left side of the heat exchanger shell 1, a left fixing flange 10 is fixedly connected at the left side of the heat exchanger shell 1, a heat exchanger tube plate 11 is fixedly, a left end enclosure 13 is fixedly connected to the left side of the left end enclosure flange 12, a water outlet 14 is fixedly connected to the left upper side of the left end enclosure 13, a water inlet 15 is fixedly installed at the left lower side of the left end enclosure 13, a middle partition plate 16 is fixedly installed at the middle of the inner wall of the left end enclosure 13, a buffer frame 17 is fixedly installed at the position, corresponding to the water inlet 15, of the inner wall of the left end enclosure 13, a buffer support leg 18 is fixedly installed at the left side of the buffer frame 17 and the connection part with the left end enclosure 13, the buffer support leg 18 comprises an outer loop bar 19 and an inner loop bar 20, an inner loop bar 20 is sleeved on the left inner wall of the outer loop bar 19, an outer buffer spring 21 is sleeved outside the outer loop bar 19 and the inner loop bar 20, an inner buffer spring 22 is fixedly installed inside the outer loop bar 19 and the inner loop bar 20, a buffer cover 23 is fixedly, the outer wall of the tube bundle 24 is fixedly provided with a spiral baffle plate 25.

The utility model discloses work flow: during use, the water inlet 15 and the water outlet 14 are respectively connected to a heat exchange pipeline, then the right oil way connector 4 and the left oil way connector 9 are respectively connected into oil ways, water flows in through the water inlet 15 in the heat exchange process and enters the left end enclosure 13 through a buffer hole in the buffer cover 23 after being buffered at the buffer frame 17, then enters the tube bundle 24, finally reaches the upper half cavity of the left end enclosure 13 through the tube bundle 24 and flows out through the water outlet 14, oil in the oil way enters the heat exchanger shell 1 through the right oil way connector 4 or the left oil way connector 9, then spirally flows under the action of the spiral baffle plate 25, heat exchange is carried out with the tube bundle 24 in the flow process, finally the oil is discharged from the left oil way connector 9 or the right oil way connector 4, and the heat exchange process is completed.

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. A shell-and-tube heat exchanger with buffer frame, including heat exchanger shell (1), its characterized in that: the heat exchanger is characterized in that a support fixing ring (2) is symmetrically sleeved at the middle of the outer wall of the heat exchanger shell (1), a heat exchanger support (3) is fixedly installed at the lower side of the support fixing ring (2), a right lower side oil way interface (4) is fixedly connected to the right lower side of the heat exchanger shell (1), a right side fixing flange (5) is fixedly connected to the right side of the heat exchanger shell (1), a right side end socket flange (6) is fixedly installed at the right side of the right side fixing flange (5), a right side end socket (7) is fixedly connected to the right side of the right side end socket flange (6), an end socket gasket (8) is installed between the right side fixing flange (5) and the right side end socket flange (6), a left side oil way interface (9) is fixedly connected to the upper left side of the heat exchanger shell (1), the heat exchanger comprises a left fixing flange (10), a heat exchanger tube plate (11) is fixedly mounted on the left side of the left fixing flange (10), a left end socket flange (12) is fixedly mounted on the left side of the heat exchanger tube plate (11), a left end socket (13) is fixedly connected on the left side of the left end socket flange (12), a water outlet (14) is fixedly connected on the upper left side of the left end socket (13), a water inlet (15) is fixedly mounted on the lower left side of the left end socket (13), a middle partition plate (16) is fixedly mounted in the middle of the inner wall of the left end socket (13), a buffer frame (17) is fixedly mounted on the inner wall of the left end socket (13) and at a position corresponding to the water inlet (15), buffer support legs (18) are fixedly mounted on the left side of the buffer frame (17) and at a connection part with the left end socket (, inside loop bar (20) have been cup jointed to the left side inner wall of outside loop bar (19), outside buffer spring (21) have been cup jointed with the outside of inside loop bar (20) to outside loop bar (19), inside buffer spring (22) have with the inside fixed mounting of inside loop bar (20) to outside loop bar (19), the right side fixed mounting of buffering landing leg (18) has buffering cover (23), the right side fixed mounting of heat exchanger tube sheet (11) has tube bank (24), the outer wall fixed mounting of tube bank (24) has spiral baffling board (25).

2. A shell and tube heat exchanger with buffer frame according to claim 1, characterized in that: and flange plates are fixedly arranged at the end parts of the right side oil way connector (4) and the left side oil way connector (9).

3. A shell and tube heat exchanger with buffer frame according to claim 1, characterized in that: the mounting plates are fixedly mounted at two ends of the buffering support legs (18) respectively and are connected with the external loop bars (19), the internal loop bars (20), the external buffering springs (21) and the internal buffering springs (22).

4. A shell and tube heat exchanger with buffer frame according to claim 1, characterized in that: the water inlet (15) is communicated with the water outlet (14) through a pipe bundle (24).

5. A shell and tube heat exchanger with buffer frame according to claim 1, characterized in that: the tube bundles (24) are distributed on the heat exchanger tube plate (11) in a multilayer circumferential manner.

6. A shell and tube heat exchanger with buffer frame according to claim 1, characterized in that: buffer holes are circumferentially distributed on the right side of the buffer cover (23), and the buffer cover (23) is in a hemispherical shell shape.