CN210833165U

CN210833165U - Cooler with high heat exchange speed for chemical industry

Info

Publication number: CN210833165U
Application number: CN201921572289.9U
Authority: CN
Inventors: 刘波; 李汉承; 岳士松; 陈法; 刘书静
Original assignee: Runmin Biotechnology Hebei Co ltd
Current assignee: Runmin Biotechnology Hebei Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-23
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to a heat exchanger technical field specifically is a cooler that heat transfer rate is fast for chemical industry, which comprises a housin, be equipped with the heat exchanger tube bank in the casing, the heat exchanger tube bank comprises the end tube coupling that is located both ends and the inner tube coupling that is located the centre, wear to establish and the spring between end tube coupling and the inner tube coupling, and the end tube coupling is equipped with first external screw thread lug, and the inner tube coupling is equipped with second external screw thread lug, and first external screw thread lug and second external screw thread lug threaded connection internal thread pipe, the inlay card has the sealing washer between end tube coupling and the inner tube coupling, and spring periphery cover is equipped with the annular piece, and the annular piece is equipped with the extension piece, and the extension. The beneficial effects are that: the effect of destroying the hot fluid laminar flow bottom layer at the pipe wall is achieved through the springs, the heat exchange efficiency is improved, the annular sheets are adopted to support the springs at the connecting positions of the end pipe joints and the inner pipe joints, the resistance of the hot fluid flowing through the heat exchange pipe bundle is reduced, turbulence is generated, and the convection heat transfer coefficient between the hot fluids is obviously improved.

Description

Cooler with high heat exchange speed for chemical industry

Technical Field

The utility model relates to a heat exchanger technical field specifically is a cooler that heat transfer is fast for chemical industry.

Background

The heat transfer process of the high-efficiency heat exchanger aims to increase the heat transferred by the heat exchanger in unit time and unit heat transfer area as much as possible. The purpose of applying the high-efficiency heat transfer technology is to transfer specified heat by using the most economical heat exchange equipment or ensure the safe operation of high-temperature parts by using the most effective cooling, which requires reasonable design and research to manufacture a high-efficiency heat exchanger so as to save the space occupied by capital, energy and metal consumption.

The traditional baffle plate shell-and-tube cooler has the problems of large flow dead zone, large pressure drop loss, low heat transfer efficiency, too complex structure, high processing difficulty, easy corrosion, easy scaling, short service life and the like. Therefore, a cooler with high heat exchange speed for chemical engineering is urgently needed in the technical field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooler that heat transfer rate is fast for chemical industry to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooler that heat transfer speed is fast for chemical industry, includes the casing, be equipped with a plurality of parallel arrangement's heat exchanger tube bundle in the casing, the heat exchanger tube bundle comprises the end tube coupling that is located both ends and the inner tube coupling that is located the centre, wear to establish between end tube coupling and the inner tube coupling with the spring, the both ends of casing all are equipped with the tube sheet, tube sheet fixed connection end tube coupling, the end tube coupling is equipped with rather than integrated into one piece's first external screw thread lug, the inner tube coupling is equipped with rather than integrated into one piece's second external screw thread lug, first external screw thread lug and second external screw thread lug threaded connection internal thread pipe, the inlay card has the sealing washer between end tube coupling and the inner tube coupling, spring periphery cover is equipped with the annular piece, the annular piece is equipped with rather than integrated into one piece's extension piece, the extension.

Preferably, the inner wall of the end pipe section is in threaded connection with a pipe bundle end cover, one end of the pipe bundle end cover extends into the end pipe section and is abutted against a blocking piece, the blocking piece is in a ring shape, and the blocking piece is abutted against the end part of the spring.

Preferably, the spring is formed by spirally bending corrosion-resistant metal wires, and the diameter of the spring is not larger than the inner diameter of the annular sheet.

Preferably, the vertical section of the sealing ring is square, and the surface of the sealing ring is coated with a corrosion-resistant coating.

Preferably, the extension pieces are of a fan-shaped piece structure and are at least three, and the extension pieces are uniformly distributed in an annular shape by taking the circle center of the annular piece as the center.

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

1. the utility model discloses a spring inserts end tube coupling and inner tube coupling, plays the effect of destroying hot-fluid laminar flow bottom in pipe wall department, improves heat exchange efficiency to in the junction of end tube coupling and inner tube coupling, adopt the annular piece to support the spring, avoid the coil of spring direct and the inner wall contact of end tube coupling and inner tube coupling, reduce the resistance that the hot-fluid flows through heat exchanger tube bank and produce the torrent, make the hot-fluid laminar flow boundary suffer destruction, show the convection heat transfer coefficient who improves between the hot-fluid;

2. the annular piece is supported through extension piece embedding sealing washer, realizes that the annular piece is stably placed between end tube coupling and inner tube coupling, and the rethread sealing washer seals the junction of end tube coupling and inner tube coupling, avoids the hot-fluid to leak.

Drawings

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

FIG. 2 is a schematic structural view of the middle pipe joint and the inner pipe joint of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the tube comprises a shell 1, a tube plate 2, a tube section 3 at the end, a tube section 4 in the tube section, a spring 5, a first external thread lug 6, a second external thread lug 7, an internal thread tube 8, a sealing ring 9, a ring-shaped piece 10, an extension piece 11, a tube bundle end cover 12 and a blocking piece 13.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a cooler that heat transfer is fast for chemical industry, includes casing 1, and casing 1 is the shell subassembly of conventional baffling board shell and tube type heat exchanger, and tube sheet 2 is respectively welded at the both ends of casing 1, is located 2 flange joint front end housing of left tube sheet, and the front end housing welding has hot-fluid to advance pipe and hot-fluid exit tube, and casing 1 welding has cold fluid to advance pipe and cold-fluid exit tube. The shell 1 is provided with heat exchange tube bundles which are arranged in parallel and each heat exchange tube bundle is composed of end tube joints 3 positioned at two ends and an inner tube joint 4 positioned in the middle.

The end part of the end pipe joint 3 penetrates through and is fixedly connected with the pipe plate 2, and the pipe plates 2 at the two ends support the heat exchange pipe bundle. Wear to establish between end tube coupling 3 and the inner tube coupling 4 with spring 5, spring 5 inserts end tube coupling 3 and inner tube coupling 4 and can play the effect of destroying hot-fluid laminar flow bottom in pipe wall department, is favorable to the heat transfer on the one hand, and on the other hand has and can avoid the pipe wall scale deposit. The end pipe joint 3 is provided with a first external thread lug 6 integrally formed with the end pipe joint, the inner pipe joint 4 is provided with a second external thread lug 7 integrally formed with the inner pipe joint, the first external thread lug 6 and the second external thread lug 7 are in threaded connection with an internal thread pipe 8, the internal thread pipe 8 connects the end pipe joint 3 and the inner pipe joint 4 into a whole, and the heat exchange pipe bundle is easy to replace and clean by connecting the end pipe joint 3 and the inner pipe joint 4 in a segmented manner. The sealing ring 9 is embedded between the end pipe joint 3 and the inner pipe joint 4 in a clamping manner, the vertical section of the sealing ring 9 is square, the surface of the sealing ring 9 is coated with a corrosion-resistant coating, and the joint of the end pipe joint 3 and the inner pipe joint 4 is sealed through the sealing ring 9, so that hot fluid leakage is avoided.

Spring 5 periphery cover is equipped with ring plate 10, spring 5 is formed by corrosion-resistant wire spiral bending, spring 5's diameter equals the internal diameter of ring plate 10, namely in the junction of end tube coupling 3 and inner tube coupling 4, there is ring plate 10 to support spring 5, avoid spring 5's the direct inner wall contact with end tube coupling 3 and inner tube coupling 4 of coil, reduce the resistance that the hot-fluid flows through heat exchanger tube bank, and the hot-fluid flows through ring plate 10 and can produce the torrent, make the laminar flow boundary of hot-fluid suffer destruction, show the convection heat transfer coefficient who improves between the hot-fluid. Annular piece 10 is equipped with rather than integrated into one piece's extension piece 11, and extension piece 11 just is equipped with four for fan-shaped piece structure, and four extension pieces 11 use the centre of a circle of annular piece 10 to be annular evenly distributed as the center, and during extension piece 11 top stretched into sealing washer 9, annular piece 10 supported through extension piece 11 embedding sealing washer 9 promptly, and annular piece 10 can stably place between end pipe festival 3 and inner pipe festival 4.

End tube section 3 inner wall threaded connection tube bank end cover 12, tube bank end cover 12 one end stretches into end tube section 3 and with separation blade 13 looks butt, separation blade 13 is ring shape, separation blade 13 and spring 5's tip looks butt, under the restraint of restrainting end cover 12 and separation blade 13, spring 5's tip obtains the restraint, avoid spring 5 to receive to strike and run out the heat exchanger tube bank, tube bank end cover 12 adopts threaded connection with end tube section 3, be convenient for take away, spring 5 easily takes out from the heat exchanger tube bank and changes or wash.

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 a cooler that heat transfer speed is fast for chemical industry, includes casing (1), be equipped with a plurality of parallel arrangement's heat exchanger tube bundle in casing (1), heat exchanger tube bundle comprises end tube coupling (3) that are located both ends and interior tube coupling (4) that are located the centre, wear to establish between end tube coupling (3) and interior tube coupling (4) with spring (5), its characterized in that: the both ends of casing (1) all are equipped with tube sheet (2), tube sheet (2) fixed connection end tube coupling (3), end tube coupling (3) are equipped with rather than integrated into one piece's first external screw thread lug (6), interior tube coupling (4) are equipped with rather than integrated into one piece's second external screw thread lug (7), first external screw thread lug (6) and second external screw thread lug (7) threaded connection internal thread pipe (8), and the inlay card has sealing washer (9) between end tube coupling (3) and interior tube coupling (4), spring (5) periphery cover is equipped with annular piece (10), annular piece (10) are equipped with rather than integrated into one piece's extension piece (11), extension piece (11) top stretches into in sealing washer (9).

2. The chemical industry cooler with the high heat exchange speed according to claim 1, characterized in that: the inner wall of the end pipe joint (3) is in threaded connection with a pipe bundle end cover (12), one end of the pipe bundle end cover (12) extends into the end pipe joint (3) and is abutted against a blocking piece (13), the blocking piece (13) is in a circular ring shape, and the blocking piece (13) is abutted against the end part of the spring (5).

3. The chemical industry cooler with the high heat exchange speed according to claim 1, characterized in that: the spring (5) is formed by spirally bending corrosion-resistant metal wires, and the diameter of the spring (5) is not larger than the inner diameter of the annular sheet (10).

4. The chemical industry cooler with the high heat exchange speed according to claim 1, characterized in that: the vertical section of the sealing ring (9) is square, and the surface of the sealing ring (9) is coated with a corrosion-resistant coating.

5. The chemical industry cooler with the high heat exchange speed according to claim 1, characterized in that: the extension pieces (11) are of fan-shaped piece structures and are at least three, and the extension pieces (11) are uniformly distributed in an annular shape by taking the circle center of the annular piece (10) as the center.