CN212778772U - Heat exchanger capable of preventing heat exchange tube bundle from loosening - Google Patents

Abstract

The utility model belongs to the technical field of chemical machinery. The heat exchanger comprises a tube plate, a barrel and a heat exchange tube, wherein the heat exchange tube is arranged in the barrel and is connected to a plurality of baffle plates in an inserting mode, the baffle plates are fixedly connected into a whole through reinforcing rib plates, and the reinforcing rib plates are connected to the circumferential edge parts of the baffle plates. The utility model discloses a deep floor is whole to be linked the baffling board of heat exchanger, makes heat exchanger tube bank form a whole, has just so strengthened the bulk strength of the big heat exchanger tube bank of draw ratio, reduces the friction of baffling board and heat exchange tube when assembling in to the barrel, can increase the life of heat exchanger.

Description

Heat exchanger capable of preventing heat exchange tube bundle from loosening

Technical Field

The utility model belongs to the technical field of chemical machinery, concretely relates to prevent not hard up heat exchanger of heat exchange tube bank.

Background

The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, is also called as a heat exchanger and is widely used in the chemical industry. In the heat exchanger manufacturing process, need assemble tube sheet, baffling board and pull rod, to the heat exchanger that draw ratio is big, need assemble the back with the heat exchange tube more than 2/3, strengthen the bending strength of whole tube bank, just can assemble the barrel with whole tube bank in, in the assembling process, because tube bank draw ratio is big, probably make baffling board and heat exchange tube constantly rub, cause the deformation damage to the heat exchange tube, reduce the life of heat exchanger. In the use process of the chemical industry, 1, because the tube pass fluid and the shell pass fluid need to be subjected to heat exchange continuously, and the medium corrodes the tube bundle, the fixed double nuts at the tail end of the pull rod are loosened (although the nuts are spot welded during manufacturing), so that the baffle plates are loosened, the heat exchange effect is influenced, and the water cooler cannot be used in serious cases. 2. When the heat exchanger is used, a part of medium on the shell side flows between the cylinder and the tube bundle, so that the heat exchange effect is reduced. Damage to the tube bundle, both during manufacture and use, can shorten the useful life of the heat exchanger.

Disclosure of Invention

The utility model aims at the problem that above-mentioned exists with not enough, provide a prevent not hard up heat exchanger of heat exchange tube bank, it adopts deep floor to get up the baffling board of heat exchanger is whole to be linked, makes heat exchanger tube bank form a whole, has just so strengthened the bulk strength of the big heat exchanger tube bank of draw ratio, reduces the friction of baffling board and heat exchange tube when assembling in to the barrel, increases the life of heat exchanger.

In order to realize the purpose, the adopted technical scheme is as follows:

the heat exchanger comprises a tube plate, a barrel and a heat exchange tube, wherein the heat exchange tube is arranged in the barrel and is connected to a plurality of baffle plates in an inserting mode, the baffle plates are fixedly connected into a whole through reinforcing rib plates, and the reinforcing rib plates are connected to the circumferential edge parts of the baffle plates.

Further, in the heat exchanger for preventing the heat exchange tube bundle from loosening, the reinforcing rib plates are parallel to the central axis of the baffle plate, and the central axis of the baffle plate is positioned in the plane of the central plane of the reinforcing rib plate in the thickness direction.

Further, in the heat exchanger for preventing the heat exchange tube bundle from loosening, the reinforcing rib plate is flat iron.

Further, in the heat exchanger for preventing the heat exchange tube bundle from loosening, the baffle plate is provided with a square groove for the reinforcing rib plate to penetrate through.

Furthermore, in the heat exchanger for preventing the heat exchange tube bundle from loosening, a plurality of square grooves for the reinforcing rib plates to penetrate through are uniformly distributed on the circumference of the baffle plate.

Further, in the above heat exchanger for preventing the heat exchange tube bundle from loosening, the number of the square grooves is six to eight.

Furthermore, in the heat exchanger for preventing the heat exchange tube bundle from loosening, the baffle plates are connected through a plurality of pull rods and pull rod bolts, and distance tubes are connected on the pull rods between the adjacent baffle plates.

By adopting the technical scheme, the beneficial effects are as follows:

the heat exchanger for preventing the heat exchange tube bundle from loosening adopts the reinforcing rib plates to link all the baffle plates of the heat exchanger, so that the heat exchanger tube bundle forms a whole, the integral strength of the heat exchanger tube bundle with large length-diameter ratio is enhanced, the friction between the baffle plates and the heat exchange tubes is reduced when the heat exchanger is assembled in a cylinder, and the service life of the heat exchanger can be prolonged; in the using process, even if the pull rod bolt falls off due to corrosion, the whole heat exchanger tube bundle is not affected, and the service life of the heat exchanger is further prolonged; in addition, when the heat exchanger is used, a part of medium of the shell pass can flow between the cylinder body and the tube bundle, so that the heat exchange effect is reduced, the rib plates are increased, the medium can be effectively prevented from short circuit, the medium can participate in heat exchange of the heat exchange tube, and the heat exchange efficiency is improved.

The reinforcing rib plate is plate-shaped, so that the bending resistance of the reinforcing rib plate in the direction parallel to the plate surface is good, the bending resistance of the reinforcing rib plate in the direction perpendicular to the plate surface is poor, the central axis of the baffle plate is positioned in the plane of the central plane of the reinforcing rib plate in the thickness direction, and the bending resistance of the heat exchange tube can be enhanced by utilizing the direction with good bending resistance.

Be equipped with the square groove that supplies deep floor to pass on the baffling board, conveniently connect deep floor, the circumference equipartition of baffling board is equipped with the square groove that a plurality of confession deep floor passed, can further strengthen the bending resistance of heat exchange tube.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is a schematic structural diagram of a heat exchanger for preventing a heat exchange tube bundle from loosening according to an embodiment of the present invention.

Fig. 2 is a structural diagram illustrating a distribution state of the square grooves on the baffle plate according to the embodiment of the present invention.

Number in the figure:

the device comprises a tube plate 1, a baffle plate 2, a barrel 3, a distance tube 4, a pull rod 5, a heat exchange tube 6, a baffle plate 7, a reinforcing rib plate 8, a pull rod nut 9, a tube plate 10 and a square groove 11.

Detailed Description

The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.

It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.

Referring to fig. 1-2, the application discloses a heat exchanger for preventing a heat exchange tube bundle from loosening, which comprises tube plates, a cylinder body and heat exchange tubes, wherein the two tube plates are connected at two ends of the cylinder body, an anti-impact plate is arranged at a fluid inlet of the cylinder body and can reduce the impact on the heat exchange tubes, the heat exchange tubes are arranged in the cylinder body and are alternately connected onto a plurality of baffle plates, the baffle plates are fixedly connected into a whole through reinforcing rib plates, the reinforcing rib plates are connected to the circumferential edge parts of the baffle plates, and preferably, the reinforcing rib plates are flat irons. The structural design of deep floor in this embodiment mainly strengthens to the great traditional water cooler tube bank of major diameter. Firstly, this structure has increased the intensity of tube bank in manufacturing process, avoids taking place to warp when tube bank integral hoisting. Secondly, the structure can increase the integrity of the tube bundle when in use, and not only depends on the pull rod and the tail end nut to fix the baffle plates in the tube bundle, but also is fatal to the damage of the water cooler once the tail end bolt falls off due to corrosion. This structure has increased the wholeness of tube bank, even if end nut causes because of reasons such as corruption to drop, can not influence the use of tube bank yet, has increased the life of water cooler. And thirdly, the heat exchange efficiency is improved, a part of medium of the shell pass can flow between the cylinder body and the tube bundle, so that the heat exchange effect is reduced, the rib plates are increased, the part of medium can be effectively prevented from short circuit, the medium can participate in the heat exchange of the heat exchange tube, and the heat exchange efficiency is improved.

In this embodiment, preferably, the reinforcing rib plates are parallel to the central axis of the baffle plate, and the central axis of the baffle plate is located in the plane of the central plane in the thickness direction of the reinforcing rib plate. Because the bending resistance of the reinforcing rib plate in the direction parallel to the plate surface is good, and the bending resistance in the direction perpendicular to the plate surface is poor, the bending resistance of the heat exchanger tube bundle can be enhanced by arranging the reinforcing rib plate in the direction parallel to the central axis of the baffle plate, and the central axis of the baffle plate is positioned in the plane of the central plane of the reinforcing rib plate in the thickness direction, so that the bending resistance of the heat exchanger tube bundle can be further enhanced.

In this embodiment, preferably, the baffle plate is provided with a square groove for the reinforcing rib plate to pass through, so that the reinforcing rib plate is convenient to mount. More preferably, the circumference of the baffle plate is uniformly provided with a plurality of square grooves for the reinforcing rib plates to penetrate through, so that the strength and the bending resistance of the heat exchanger tube bundle in all directions can be enhanced.

In this embodiment, specifically, the number of the square grooves is six to eight. The baffling board is in the course of working, need join in marriage the brill, and under the baffling board circumference does not influence the condition of heat exchange tube, evenly mill out 6-8 5mm square grooves, run through whole baffling board with 4mm band iron in the assembling process, use 6 to 8 band iron evenly distributed around the baffling board altogether, link the baffling board of heat exchanger all together, make the heat exchanger tube bank form a whole, just so strengthened the bulk strength of the heat exchanger tube bank that the draw ratio is big, reduce the friction of tube bank and heat exchange tube when assembling in to the barrel, guaranteed heat exchanger life.

In this embodiment, preferably, the baffle plates are further connected by a plurality of tie rods and tie rod bolts, and the tie rods between adjacent baffle plates are connected with distance tubes, so as to further ensure the integrity of the heat exchanger tube bundle.

While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.

Claims (7)

1. The heat exchanger is characterized in that the baffle plates are fixedly connected into a whole through reinforcing rib plates, and the reinforcing rib plates are connected to the circumferential edge parts of the baffle plates.

2. The heat exchanger for preventing the loosening of the heat exchange tube bundle according to claim 1, wherein the reinforcing rib plates are parallel to the central axis of the baffle plate, and the central axis of the baffle plate is positioned in the plane of the central plane of the reinforcing rib plate in the thickness direction.

3. The heat exchanger according to claim 1, wherein the stiffener plates are flat iron.

4. The heat exchanger for preventing the heat exchange tube bundle from loosening according to claim 1, wherein the baffle plate is provided with square grooves for the reinforcing rib plates to pass through.

5. The heat exchanger for preventing the heat exchange tube bundle from loosening according to claim 4, wherein a plurality of square grooves for the reinforcing rib plates to penetrate through are uniformly distributed on the circumference of the baffle plate.

6. The heat exchanger for preventing loosening of a heat exchange tube bundle according to claim 5, wherein the number of the square grooves is six to eight.

7. The heat exchanger of claim 1, wherein the baffles are further connected by tie rods and tie bolt, and the tie rods between adjacent baffles are connected with spacer tubes.

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