CN207751381U - A kind of horizontal drawable type heat exchanger - Google Patents

Abstract

The utility model discloses a kind of horizontal drawable type heat exchangers,Including shell,Left head,Right end socket,Left tube sheet,Right tube plate,Heat-exchanging tube bundle,Locating flange one,Locating flange two and locating flange three,Shell both ends, which are respectively welded, is fixed with locating flange one and locating flange two,Also locating flange one is welded in left head,Locating flange three is welded on right end socket,Locating flange one in left head and the locating flange one on shell are positioned opposite,Centre is folded with a left tube sheet,A toroidal cavity is offered on the end face of locating flange two,An O-ring is embedded in toroidal cavity,The end face of locating flange three is equipped with a circular ring shape tenon,Locating flange two is connected with locating flange three by toroidal cavity and the cooperation of circular ring shape tenon,In shell right tube plate is arranged with positioned at two position of locating flange,Right tube plate lateral surface is closely affixed with O-ring.Not only good airproof performance, it is easy for assemble or unload, and can effectively avoid the occurrence of and pull phenomenon.

Description

A kind of horizontal drawable type heat exchanger

Technical field

The utility model is related to a kind of horizontal heat exchanger, specifically a kind of horizontal drawable type heat exchanger.

Background technology

Currently, common heat transmission equipment is fixed tube-sheets heat exchanger on chemical industry equipment, have sealing effect good, bearing capacity foot The characteristics of.But deposit defect both ways：On the one hand, due to being non-dismountable separation between shell and heat-exchanging tube bundle, not only It is unfavorable for the cleaning of heat-exchanging tube bundle surface and enclosure interior, and is unfavorable for heat-exchanging tube bundle internal washing, causes inside heat-exchanging tube bundle Spot and deposit can gather more and more with usage time, to block heat-exchanging tube bundle, so that it is lost heat transfer effect, separately On the one hand, it since both ends tube sheet is integrally fixed on shell, when heat-exchanging tube bundle is larger due to the temperature difference inside and outside pipe, can exchange The weld seam of heat pipe bundle and tube sheet causes great tensile stress, easily makes to occur pulling phenomenon between heat-exchanging tube bundle and tube sheet.

Utility model content

In view of the above-mentioned problems, the problem of the utility model intends to solve is to provide a kind of simple and reasonable horizontal drawable type Heat exchanger not only has the characteristics that easy for assemble or unload, good airproof performance, bearing capacity are sufficient, easy to clean and cleaning performance is good, and It can effectively avoid the occurrence of and pull phenomenon.

In order to achieve the above objectives, the utility model uses following technical scheme：A kind of horizontal drawable type heat exchanger, including shell Body, left head, right end socket, left tube sheet, right tube plate, heat-exchanging tube bundle, locating flange one, locating flange two and locating flange three, institute It states shell both ends and is respectively welded and be fixed with locating flange one and locating flange two, positioning mode is also welded in the left head Lan Yi is welded with locating flange three on the right end socket, and the left head and the right end socket are located at the shell Both ends, the locating flange one in the left head and the locating flange one on the shell are positioned opposite, and centre is folded with a left side Tube sheet, and fixation is bolted between two locating flanges one, each locating flange one and the left tube sheet Between be also equipped with a gasket, a toroidal cavity is offered on the end face of the locating flange two, in the toroidal cavity It is embedded with an O-ring, the end face of the locating flange three is equipped with a circular ring shape tenon, the locating flange two and the positioning The excessively described toroidal cavity of flanged tee is connected with circular ring shape tenon cooperation, and is bolted, position in the shell It is arranged with right tube plate in two position of the locating flange, the right tube plate lateral surface is closely affixed with the O-ring, described In shell heat-exchanging tube bundle is connected between the left tube sheet and right tube plate.

Effective achievement of the utility model：The utility model is simple and reasonable, and structure is connected and fixed to shell both ends Be arranged, while the arrangement of left tube sheet and right tube plate designed, on the one hand not only ensure its leakproofness and enough Bearing capacity, and shell and heat-exchanging tube bundle can be carried out to dismounting and detached, when dismounting, first dismantled left head, then by right envelope Heat-exchanging tube bundle is finally extracted out from left end, can thus be cleaned respectively to shell and heat-exchanging tube bundle by head dismounting, is had clear Feature convenient and efficient, that cleaning performance is good is washed, the service life of the utility model is greatly prolonged；On the other hand, due to left tube sheet It is not to be completely fixed on shell with right tube plate, along with O-ring is equipped with, right tube plate lateral surface is closely affixed with O-ring, when changing When heat pipe bundle is larger by interior outside temperature difference, heat-exchanging tube bundle can freely stretch, and can effectively prevent going out because tensile stress is too big Now pull phenomenon.

In conclusion the utility model not only has simple and reasonable, easy for assemble or unload, good airproof performance, pressure-bearing energy The feature that power is sufficient, easy to clean and cleaning performance is good, and can effectively avoid the occurrence of and pull phenomenon.

Description of the drawings

Fig. 1 is the utility model structure diagram.

Fig. 2 is the enlarged drawing at the positions A in Fig. 1.

In figure：1- shells, 2- left heads, the right end sockets of 3-, the left tube sheets of 4-, 5- right tube plates, 6- heat-exchanging tube bundles, 7- locating flanges One, 8- locating flange two, 9- locating flanges three, 10- gaskets, 11- toroidal cavities, 12-O shape circles, 13- circular ring shape tenons.

Specific implementation mode

In order to make those skilled in the art be better understood from the utility model, below in conjunction in the present embodiment Attached drawing carries out clear, complete description to the technical scheme in the embodiment of the utility model.

As shown in Figure 1 and Figure 2, the utility model discloses a kind of horizontal drawable type heat exchanger, including shell 1, left head 2, Right end socket 3, left tube sheet 4, right tube plate 5, heat-exchanging tube bundle 6, locating flange 1, locating flange 28 and locating flange 39, shell 1 Both ends, which are respectively welded, is fixed with locating flange 1 and locating flange 28, and locating flange 1 is also welded in left head 2, It is welded with locating flange 39 on right end socket 3, left head 2 and right end socket 3 are located at 1 both ends of shell, in left head 2 Locating flange 1 and the locating flange 1 on shell 1 are positioned opposite, and centre is folded with a left tube sheet 4, and two locating flanges Fixation is bolted between one 7, a gasket 10, locating flange are also equipped between each locating flange 1 and left tube sheet 4 A toroidal cavity 11 is offered on 28 end face, and an O-ring 12, the end of locating flange 39 are embedded in toroidal cavity 11 Face is equipped with a circular ring shape tenon 13, and locating flange 28 passes through toroidal cavity 11 and circular ring shape tenon 13 with locating flange 39 Cooperation is connected, and is bolted, and right tube plate 5 is arranged with positioned at 28 position of locating flange in shell 1, outside right tube plate 5 Side is closely affixed with O-ring 12, and heat-exchanging tube bundle 6 is connected between left tube sheet 4 and right tube plate 5 in shell 1.

The utility model is simple and reasonable, the structure that is connected and fixed at 1 both ends of shell is arranged, while to left pipe The arrangement of plate 4 and right tube plate 5 is designed, and on the one hand not only ensures its leakproofness and enough bearing capacities, and can incite somebody to action Shell 1 and heat-exchanging tube bundle 6 carry out dismounting and detach, and when dismounting, first dismantle left head 2, then right end socket 3 is dismantled, will finally change Heat pipe bundle 6 is extracted out from left end, can thus be cleaned respectively to shell 1 and heat-exchanging tube bundle 6, have it is easy to clean it is quick, The good feature of cleaning performance, greatly prolongs the service life of the utility model；On the other hand, not due to left tube sheet 4 and right tube plate 5 It is to be completely fixed on shell 1, along with O-ring 12 is equipped with, 5 lateral surface of right tube plate is closely affixed with O-ring 12, works as heat exchanger tube When beam 6 is larger by interior outside temperature difference, heat-exchanging tube bundle 6 can freely stretch, and can effectively prevent occurring because tensile stress is too big Pull phenomenon.

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention Every other embodiment should all belong to the range of the utility model protection.

Claims (1)

1. a kind of horizontal drawable type heat exchanger, including shell (1), left head (2), right end socket (3), left tube sheet (4), right tube plate (5), heat-exchanging tube bundle (6), locating flange one (7), locating flange two (8) and locating flange three (9), it is characterised in that：The shell Body (1) both ends, which are respectively welded, is fixed with locating flange one (7) and locating flange two (8), is also welded and fixed on the left head (2) There is locating flange one (7), locating flange three (9), the left head (2) and the right side are welded on the right end socket (3) End socket (3) is located at the shell (1) both ends, on the locating flange one (7) on the left head (2) and the shell (1) Locating flange one (7) it is positioned opposite, centre is folded with a left tube sheet (4), and passes through between two locating flanges one (7) It is bolted fixation, is each also equipped with a gasket (10) between the locating flange one (7) and the left tube sheet (4), it is described A toroidal cavity (11) is offered on the end face of locating flange two (8), and an O-ring is embedded in the toroidal cavity (11) (12), the end face of the locating flange three (9) be equipped with a circular ring shape tenon (13), the locating flange two (8) with it is described fixed Position flange three (9) is connected by the toroidal cavity (11) with the circular ring shape tenon (13) cooperation, and is bolted, In the shell (1) right tube plate (5), right tube plate (5) lateral surface are arranged with positioned at the locating flange two (8) position It is closely affixed with the O-ring (12), is connected with and changes between the left tube sheet (4) and right tube plate (5) in the shell (1) Heat pipe bundle (6).