CN1147681C

CN1147681C - Multi-pipe-bundle heat exchanger

Info

Publication number: CN1147681C
Application number: CNB011121289A
Authority: CN
Inventors: ¡; 阿尔弗雷德·兰格尔
Original assignee: SGL Technik GmbH
Current assignee: S Gl Carbon Corp
Priority date: 2000-03-29
Filing date: 2001-03-29
Publication date: 2004-04-28
Anticipated expiration: 2021-03-29
Also published as: CA2342425C; ATE225927T1; CN1316624A; BR0101236A; EP1139055A3; BR0101236B1; CA2342425A1; JP3605371B2; EP1139055B1; DK1139055T3; JP2001296092A; ES2184719T3; US20010045273A1; PT1139055E; EP1139055A2

Abstract

The multiple pipe bundle heat exchanger has a housing in which a multiplicity of pipe bundles (5A,5B,5C) are installed between axially opposing pipe bases. The housing is divided by walls into chambers (10A,10B,10C) corresponding in number to the quantity of pipe bundles. The pipe bundles are formed as independent assembly groups comprising the heat exchange pipes and pipes bases (52) fixed at their two axial ends. The housing consists of the cover part (1) and the dividing walls forming the chambers. At both axial ends it has flanges to which are fixed head pieces (2,3).

Description

Multi-pipe-bundle heat exchanger

Technical field

The present invention relates to multi-pipe-bundle heat exchanger, i.e. heat exchanger device, this device comprises a plurality of heat-exchange tube bundles with the fluid technique winding.The fluid technique winding is not only relevant with the medium of percolation tube bank, and relevant with the medium that streams tube bank or relevant with the both.

Background technology

Such multi-pipe-bundle heat exchanger has been known.For example CH 586 882 has described a kind of convection bank heat exchanger of the tube bundle heat exchanger form of connecting, and wherein in whole housing the inside a plurality of tube banks is set, and tube bank is connected in series with fluid technique and the through-flow medium of priority.All tube bank is extended between two bases that compile all tube banks, and each end inner room above the base constitutes distributor chamber like this, making to be configured for medium is assigned to the inlet distributor chamber of the first tube bank pipe the inside, is the junction chamber sequence on this or another base of being arranged on that is used for each tube bank port of export is connected to each adjacent tubes beam entrance end then with the fluid technique series connection, is through the outlet of last the tube bank port of export chamber of confluxing at last.Between each tube bank of housing the inside, dividing plate is set, dividing plate has through flow hole near near this or another base respectively, finally arrives outlet from last tube bank chamber by through flow hole from the tube bank chamber to ground, tube bank chamber then so that secondary media enters the tube bank chamber.

Summary of the invention

Task of the present invention is, realize a kind of like this device, this device serves as the economic structure that multiple tube bundle heat exchanger device is realized on the basis with the form of standard element assembling, this device not only in size and also fluid technique dispose or the flow direction of medium and secondary media on can both change in the mode of maximum possible.

According to the present invention, a kind of multi-pipe-bundle heat exchanger is proposed, has a housing, in the housing the inside, a plurality of tube banks are contained between the base that axially is oppositely arranged and described housing is separated into some by dividing plate and the tube bank number is corresponding, the chamber or the shell space that hold a tube bank respectively, it is characterized by, a) described tube bank is respectively by independently, the construction package that forms an integral unit constitutes, comprise relevant heat-exchange tube and attached respectively, be fixed on the base of two axial end portions of heat-exchange tube, b) described housing comprises that has the dividing plate and the housing parts that is arranged on the flange of two axial end portions separating or define chamber or shell space, and two ends, constitute the end piece that also can be fixed on the housing parts with individual components, each Pipe bundle structure assembly of c) putting in each chamber of housing parts concurs and borrows its base to form distributor chamber or conflux chamber or transition chamber in the end piece the inside hermetically with end piece with its base.

According to the solution of the present invention regulation, the normal formula heat transfer tube bundle is used with the normal formula housing unit, and these standarized components can be realized a large amount of combinatory possibilities and also can realize the heat exchanger device of different sizes certainly.

Description of drawings

Detail of the present invention will be described in detail according to the accompanying drawing of following several specific embodiments.

Legend is all drawn with the concise and to the point axial section of each embodiment.Be illustrated as:

The counter-flow heat exchanger that constitutes by multitubular bundles that to be tube bank be connected in parallel with fluid technique that Fig. 1 draws,

What Fig. 2 drew is to have a plurality of counter-flow heat exchanger that are connected in series and restrain with fluid technique,

What Fig. 3 drew is to have a plurality of counter-flow heat exchanger that are connected in parallel and restrain with fluid technique, but has changed shell structure with respect to the device of Fig. 1,

What Fig. 4 drew is to have a plurality of counter-flow heat exchanger that are connected in series and restrain with fluid technique, and still the device with respect to Fig. 2 is another shell structure.

The specific embodiment

Have housing and the tube bank that is arranged in the housing at the heat exchanger shown in Fig. 1.

Housing is made up of shell 1, inlet porting joint 11 and outlet connection 12 are used for the input channel of secondary media or output channel being tapped into shell space or being picked out by shell space on shell, and constitute flanges 13 at two axial end portions of shell, housing also has two

end piece

2 and 3, they nestle up two ends settings of shell 1 and have inlet attack 21 and the outlet connection 31 that is used for by the medium of percolation tube bank respectively, end piece

sets cover plate

22 and 32 respectively, cover plate by bolt or

screw rod

23 and 33 and the flange 13 of shell 1 be fixed together.

In housing, put into a plurality of tube banks 5, but be three tube banks for illustrated embodiment, respectively with 5A, 5B, 5C represents.Each tube bank parallel and space is made up of apart from heat-exchange tube 51 that is provided with and the base 52 that is connected with heat-exchange tube at the axial two ends of tube bank some.

Each tube bank of being made up of heat-exchange tube 51 and two attached bases 52 constitutes the assembly of an integral unit form and puts into housing with such assembly.For to shell 1,

end piece

2 and 3 and base 52 seal and the seal that adopts briefly draws in legend and can easily regard O-ring seals as, can select arbitrarily as required at the concrete form of this used sealing certainly.

The shell space of shell 1 inside is by being separated into

intertubular space

10A, 10B, 10C with the corresponding dividing plate 14 of tube bank 5 numbers.These dividing plates 14 are furnished with through flow hole 15 in the upper and lower, by these through flow holes each intertubular space is interconnected.

As shown in the figure, the end inner room that constitutes in

end piece

2 and 3 the insides is not separated, but extends above the tube bank at all three, and to produce three

tube bank

5A, 5B and 5C's is in parallel through-flow.I.e. three tube banks are connected in parallel with fluid technique.

Still by three tube bank 5A of housing and threading housing the inside, 5B and 5C form the device that Fig. 2 draws.Have shell 1,

end piece

2 and 3 and be used for the jointing 11,12,21 of the medium relevant with heat exchanger and 31 shell mechanism and by dividing plate 14 shell space be divided into

intertubular space

10A, 10B is corresponding with device shown in Figure 1 with 10C.

Three tube banks constitute also with method same as shown in Figure 1 still to be made up of heat-exchange tube 51 and the base 52 that is arranged on axial two ends respectively, and wherein each restrains integral unit or the construction package manufacturing of still being made up of these parts.

But change its end piece 2 like this with respect to the structure of Fig. 1 at structure shown in Figure 2,3 and the dividing plate 14 of shell 1 the inside, three tube banks are connected in series with fluid technique in the device of Fig. 2 and make and flow into and all three tube banks, flow with respect to a medium counter flow from the secondary media that joint 12 flows out by joint 11, one time medium flows into by joint 21, flows out the also heat-exchange tube 51 of through-flow three tube banks successively by joint 31.

End piece

2 and 3 changes so for this reason, on the first tube bank 5C upstream end that looks from media flow direction, constitute and enter inner room 24, be configured for respectively in end piece 3 and end piece 2 the insides in addition at two at the transition chamber 35 or 25 of a medium of conduction between the end to end tube bank adjacent end portion on the fluid technique (from 5C to 5B by transition chamber 35 and from 5B to 5A by transition chamber 25), and in the end one, promptly constitute delivery chamber 36 above the outflow end of the tube bank 5A that looks from media flow direction.With dividing

plate

27 or 37 the respective end portions space of components is separated into corresponding chamber in

end piece

2 and 3 the insides.

On each dividing plate 14, only is furnished with a through flow hole 15, through flow hole is respectively near each base, so that secondary media must can be transmitted to adjacent intertubular space by each through flow hole 15 up to secondary media basically on whole axial lengths of shell space and by the medium convective flow that tube bank is flowed.

Can adopt the dividing plate 14 of standard for the structure of arranging shown in Fig. 1 and 2, as shown in Figure 1, dividing plate can have through flow hole at two axial end portions, seals one of them with the device in the pie graph 2.

Can prepare to have or do not have the different end piece of dividing

plate

27 or 37 equally, so that make according to Fig. 1 and Fig. 2 according to the needs of standard element package assembly by these parts.

Structure shown in Fig. 3 and 4 and Fig. 1 or structure shown in Figure 2 are similar, promptly have be connected in parallel (Fig. 3) of tube bank or be connected in series (Fig. 4) multi-pipe-bundle heat exchanger of tube bank of fluid technique of fluid technique.Identical or corresponding components still with Fig. 1 and 2 in identical label represent.

Tube

bank

5A, 5B and 5C (for example remaining 3) are corresponding to those tube banks among Fig. 1 and 2.

End piece

2 and 3 is also corresponding to those end piece among Fig. 1 and 2.

The shell 1 that has jointing 11 and 12 too.

But according to Fig. 3 and 4 structure by changing or structure shell structure and different in addition with structure among Fig. 1 and 2.Because the structure median septum 14 in Fig. 3 and 4 does not have through flow hole, promptly is totally enclosed.Replace through flow hole be the structure medial end portions parts 2 of Fig. 3 and 4 and 3 each add prolongation that the insert 4 that is arranged between end piece and shell 1 flange 13 constitutes dividing plates 14 in other words between adjacent intertubular space the place of generation transition have through flow hole 41.

The case member 1 and the dividing plate 14 of housing can be made standarized component thus, can as required different insert 4 be made simultaneously as between shell space, producing through flow hole, being used as the part that standard element is assembled.

For structure according to Fig. 3 and 4, the jointing of shell space when insert 4 has enough axial lengths (for illustrated embodiment with 11 and 12 the expression and be arranged on the shell 1) also can be arranged on the insert 4.Not only one or two jointing can be connected each insert 4 side in addition, and can be with it axial arranged and pass each

end piece

2 or 3.

The foregoing description is described to counter-flow heat exchanger according to the arrow that provides in diagram.Identical method also can be used for downstream heat exchanger (DSHE), and is to these need that one flow direction in the two media is reverse.

Can under use normal formula parts condition, realize heat converter structure arbitrarily according to the solution of the present invention.Especially tube bank can be made of standarized component, can irrespectively constitute the device of multi-pipe-bundle heat exchanger arbitrarily of different size as following current or counter-flow heat exchanger with the regulation operation by these parts.Heat exchanger for different size can be prepared different housing parts, i.e. shell and end piece, and housing parts is configured for holding the tube bank of some, perhaps can stipulate the multiple component configuration of these housing parts.By adopting the respective end portions parts, and these are used for the tube bank of parallel running or series operation, can construct heat exchanger device as required with normal formula thereby very economical ground by few relatively basic components.

Claims

1. multi-pipe-bundle heat exchanger, has a housing (1,2,3), in the housing the inside, a plurality of tube banks (5A, 5B 5C) is contained between the base that axially is oppositely arranged and described housing is separated into by dividing plate (14) that some are corresponding with the tube bank number, hold the chamber or the shell space (10A of a tube bank respectively, 10B, 10C), it is characterized by

A) described tube bank (5A, 5B, 5C) respectively by independently, the construction package that forms an integral unit constitutes, and comprises relevant heat-exchange tube (51) and base (52) attached, that be fixed on two axial end portions of heat-exchange tube respectively,

B) described housing comprises that one has separation or defines chamber or shell space (10A, 10B, dividing plate 10C) (14) and be arranged on the housing parts (1) of the flange (13) of two axial end portions, and two ends, constitute and can be fixed on end piece (2 on the housing parts (1) with individual components, 3)

C) each Pipe bundle structure assembly of putting in each chamber of housing parts (1) concurs and borrows its base to form distributor chamber or conflux chamber or transition chamber (24,25,35,36) in the end piece the inside hermetically with end piece (2,3) with its base (52).

2. heat exchanger as claimed in claim 1 is characterized by, dividing plate (14) near two axial end portions of housing parts (1), be provided be used to conduct the medium that between the adjacent housings space, flows through shell space, can select the through flow hole (15) that seals.

3. heat exchanger as claimed in claim 1, it is characterized by, in order to prolong housing parts (1), at housing parts and adjacent end portion parts (2, an insert that is made of individual components (4) is set 3), and this insert constitutes the axial lengthening of dividing plate (14) and can dispose transitional pore (41) selectively between the adjacent housings space.

4. heat exchanger as claimed in claim 3, it is characterized by, enter or leave the inlet of shell space and/or outlet and be arranged on each insert and inlet or outlet are arranged on the insert side or axially are arranged on the relevant insert and pass relevant end piece.