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CN102748965A - Shell-and-tube heat exchanger - Google Patents

Shell-and-tube heat exchanger Download PDF

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Publication number
CN102748965A
CN102748965A CN2011101026062A CN201110102606A CN102748965A CN 102748965 A CN102748965 A CN 102748965A CN 2011101026062 A CN2011101026062 A CN 2011101026062A CN 201110102606 A CN201110102606 A CN 201110102606A CN 102748965 A CN102748965 A CN 102748965A
Authority
CN
China
Prior art keywords
plate
heat exchanger
shell
tube
whirl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011101026062A
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Chinese (zh)
Inventor
钱才富
龚宏
戴凌汉
孙海阳
徐鸿
范德顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Original Assignee
China Petroleum and Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp filed Critical China Petroleum and Chemical Corp
Priority to CN2011101026062A priority Critical patent/CN102748965A/en
Publication of CN102748965A publication Critical patent/CN102748965A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a shell-and-tube heat exchanger which comprises a casing (3), a plurality of heat exchange tubes (6) and a plurality of whirl plates, wherein the heat exchange tubes and the whirl plates are arranged in the casing (3), the heat exchange tubes (6) pass through each whirl plate, and the plurality of whirl plates are arranged at intervals along the axial direction of the heat exchange tubes (6). Each whirl plate comprises a first plate (51) and a second plate (52), and plate faces of the first plate (51) and the second plate (52) are mutually crossed. By means of the technical scheme, shell side fluid can sequentially pass through a staggered area of each whirl plate to spirally and continuously flow, shell side fluid flow modes are reasonable, effective flow area is expanded, flow resistance is reduced, and vibration and abrasion of the heat exchange tubes are slowed down. In addition, an installation mode same with that of a common arch whirl plate can be adopted for installation, so that the shell-and-tube heat exchanger is easy to install, low in manufacture cost, capable of guaranteeing product accuracy and favorable for industrial standardization.

Description

Shell-and-tube heat exchanger
Technical field
The present invention relates to a kind of heat exchanger, more specifically, relate to a kind of shell-and-tube heat exchanger.
Background technology
Shell-and-tube heat exchanger is widely used in industrial circles such as petrochemical industry, electric power, environmental protection.Shell-and-tube heat exchanger generally includes bobbin carriage, tube sheet, housing, a plurality of deflection plate, a plurality of heat exchanger tube, pull bar and distance sink tube etc.Wherein deflection plate mainly plays making fluid by specific path flow except that in the housing of shell-and-tube heat exchanger, supporting heat exchanger tube, improve shell-side fluid flow velocity, increase turbulent extent, improve the effect of heat-transfer character.The deflection plate of existing shell-and-tube heat exchanger comprises two kinds of segmental baffle and helical baffles.Common segmental baffle is flat; Promptly being generally circular flat board, to be cut into breach arc; Axis direction separation along heat exchanger shell and heat exchanger tube; And the breach of adjacent two deflection plates staggers (for example differing 180 °) each other, makes shell-side fluid in housing, form circuitous flowing along axis.This segmental baffle can cause that the shell-side fluid flowing velocity distribution is unreasonable, and valid circulation area is less, and flow resistance is big.Helical baffles is that the polylith deflection plate is arranged to approximate helicoid along the housing axis, makes the shell-side fluid shape continuous-flow in the shape of a spiral of heat exchanger.For example notification number is that the deflection plate that is provided with in the disclosed shell-and-tube heat exchanger in the utility model patent of CN2655156Y is a helical baffles, is spliced into approximate helicoid by two or four fan-shaped flat boards.Though this type helical baffles makes the shell-side fluid liquid form more reasonable, increase valid circulation area, reduce flow resistance, compare with segmental baffle, the helical baffles difficult installation, processing cost is high, and the product precision is difficult to guarantee, is unfavorable for industrial standardization.
Summary of the invention
The purpose of this invention is to provide a kind of shell-and-tube heat exchanger; This shell-and-tube heat exchanger not only can make the shell-side fluid liquid form more reasonable, increases valid circulation area, reduces flow resistance; And be easy to install, processing cost is low, can guarantee the product precision, helps industrial standardization.
To achieve these goals; The present invention provides a kind of shell-and-tube heat exchanger, and this shell-and-tube heat exchanger comprises housing and a plurality of heat exchanger tubes and a plurality of deflection plate that are arranged in this housing, and heat exchanger tube passes each deflection plate; And a plurality of deflection plates are arranged along the axially spaced-apart of heat exchanger tube; Wherein, each said deflection plate comprises first plate and second plate, and the plate face of this first plate and second plate intersects each other.
Preferably, said first plate shape that the projection on the cross sectional planes of said housing constitutes with second plate is consistent with the shape of cross section of said housing.
Preferably, the shape of cross section of said housing is circular.
Preferably, the plate face shape of said first plate and second plate is identical.
Preferably, the cross one another angle of plate face of said first plate and second plate is 10 °-90 °, more preferably, is 40 °-60 °.
Preferably, said shell-and-tube heat exchanger is fixed tube-sheet exchanger, movable tube sheets heat exchanger or U-shaped pipe heat exchanger.
Through technique scheme, because deflection plate is divided into first plate and second plate, and the plate face of first plate and second plate intersects each other.Thereby the district of staggering that first plate of each deflection plate and second plate intersect to form can supply shell-side fluid to flow through.Thereby shell-side fluid can be passed staggering of each deflection plate successively and distinguished and shape continuous-flow in the shape of a spiral, therefore can make the shell-side fluid liquid form more reasonable, increases valid circulation area, reduces flow resistance, and then slows down the vibration and the wearing and tearing of heat exchanger tube.In addition; In the technique scheme of the utility model; Therefore can adopt the mounting means identical that (for example fixing through known pull bar and distance sink tube) is installed, be easy to install, processing cost is low, can guarantee the product precision, helps industrial standardization with common segmental baffle.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with the following specific embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the shell-and-tube heat exchanger of one embodiment of the present invention;
Fig. 2 is first plate of shell-and-tube heat exchanger as shown in Figure 1 and the schematic perspective view of second plate;
Fig. 3 is the front elevational schematic of first plate and second plate of shell-and-tube heat exchanger as shown in Figure 1;
Fig. 4 is the schematic side view of first plate and second plate of shell-and-tube heat exchanger as shown in Figure 1.
Description of reference numerals
1 bobbin carriage, 2 tube sheets
3 housings, 4 shell-side fluid flow directions
13 tube side fluid imports, 6 heat exchanger tubes
The outlet of 7 shell-side fluid imports, 8 tube side fluid
9 saddles, 10 distance sink tubes
The outlet of 11 pull bars, 12 shell-side fluid
51 first plates, 52 second plates
53 installing holes
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Extremely shown in Figure 4 like Fig. 1; A kind of embodiment according to the utility model provides a kind of shell-and-tube heat exchanger, and this shell-and-tube heat exchanger comprises housing 3 and a plurality of heat exchanger tubes 6 and a plurality of deflection plate that are arranged in this housing 3, and heat exchanger tube 6 passes each deflection plate; And a plurality of deflection plates are arranged along the axially spaced-apart of heat exchanger tube 6; Wherein, each said deflection plate comprises first plate 51 and second plate 52, and the plate face of this first plate 51 and second plate 52 intersects each other.
Through technique scheme, because deflection plate is divided into first plate 51 and second plate 52, and the plate face of first plate 51 and second plate 52 intersects each other.Thereby the district of staggering that first plate 51 of each deflection plate and second plate 52 intersect to form can supply shell-side fluid to flow through.Thereby shell-side fluid can be passed staggering of each deflection plate successively and distinguished and shape continuous-flow in the shape of a spiral, therefore can make the shell-side fluid liquid form more reasonable, increases valid circulation area, reduces flow resistance, and then slows down the vibration and the wearing and tearing of heat exchanger tube.In addition; In the technique scheme of the utility model; Can adopt the mounting means identical that (for example fixing with distance sink tube 10 through known pull bar 11) is installed with common segmental baffle; Therefore be easy to install, processing cost is low, can guarantee the product precision, helps industrial standardization.
Preferably, as shown in figures 1 and 3, the shape that the projection on the cross section of said housing 3 cross section of the axis of heat exchanger tube 6 (promptly perpendicular to) plane of said first plate 51 and second plate 52 constitutes is consistent with the shape of cross section of said housing 3.That is to say; The outward flange of said first plate 51 and second plate 52 contacts with the inwall of housing 3; Thereby the district of staggering that shell-side fluid only can intersect to form from first plate 51 and second plate 52 of each deflection plate passes through, and leakage current can not occur, thereby can further improve the heat exchange effect.
As shown in Figures 2 and 3, the shape of first plate 51 and second plate 52 can be identical, and for example when the shape of cross section of housing 3 was circle, it is semicircle that first plate 51 and second projection of plate 52 on the cross sectional planes of said housing 3 are respectively.Certainly both shapes also can be different.
The concrete shape of first plate 51 and second plate 52 is different because of the shape of cross section of housing 3; For example; When the shape of cross section of housing 3 was circle, first plate 51 and second plate 52 itself can be respectively half elliptic, and just in time formation is circular thereby their projections are separately combined.The shape of first plate 51 and second plate 52 and size can be identical (like Fig. 1 to shown in Figure 4), can certainly be different.
The cross one another angle of plate face of first plate 51 and second plate 52 can design as the case may be, for example can be 10 °-90 °, is preferably 40 °-60 °.
To shown in Figure 4, respectively be formed with a plurality of pores 53 on first plate 51 and second plate 52 like Fig. 2, supply heat exchanger tube 6 or pull bar 11 to pass.Each pore 53 can be with the distribution of various suitable forms, for example like Fig. 2 to rectangular distribution shown in Figure 4ly, promptly adjacent two row installing holes 53 align each other, can certainly triangular in shapely distribute, stagger each other in promptly adjacent two tubulation holes 53.
The aforementioned tube shell heat exchanger goes for various forms of heat exchangers, for example fixed tube-sheet exchanger (as shown in Figure 1), movable tube sheets heat exchanger and U-shaped pipe heat exchanger.Being that example is simply explained the structure of shell-and-tube heat exchanger with fixed tube-sheet exchanger shown in Figure 1 only below, is known in this field about the structure of movable tube sheets heat exchanger and U-shaped pipe heat exchanger, repeats no more at this.
Fixed tube-sheet exchanger as shown in Figure 1 comprises: housing 3, housing 3 two ends have shell-side fluid import 7 and shell-side fluid outlet 12; Be fixed on the fixed tube sheet 2 at housing 3 two ends; Be separately fixed on two bobbin carriages, 1, two each bobbin carriage 1 in two tube sheets outside and have tube side fluid import 13 and tube side fluid outlet 8; And be arranged on the heat exchanger tube 6 and deflection plate 5 in the housing 3; The plate face of deflection plate 5 is basically perpendicular to the axis of heat exchanger tube 6; Axis direction along heat exchanger tube 6 is arranged spaced reciprocally; And fixing by pull bar 11 with distance sink tube 10, pull bar 11 is fixed on the tube sheet 2, and distance sink tube 10 is enclosed within on the pull bar 11 and is arranged between the deflection plate 5.In addition, housing 3 is supported by saddle 9 usually.
During the work of aforementioned tube shell heat exchanger, a kind of fluid (tube side fluid) is walked tube side, flows into from tube side fluid import 13, flows out from tube side fluid outlet 8.One other fluid (shell-side fluid) is walked shell side, flows into from shell-side fluid import 7, flows out from shell-side fluid outlet 12.Shell-side fluid is passed staggering of each deflection plate successively and is distinguished and shape continuous-flow in the shape of a spiral behind entering housing 3, and the overall flow mode is shown in the arrow among Fig. 14.In flow process, shell-side fluid and tube side fluid are accomplished exchange heat.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.

Claims (7)

1. shell-and-tube heat exchanger; This shell-and-tube heat exchanger comprises housing (3) and is arranged on a plurality of heat exchanger tubes (6) and a plurality of deflection plate in this housing (3); Heat exchanger tube (6) passes each deflection plate, and a plurality of deflection plate is characterized in that along the axially spaced-apart layout of heat exchanger tube (6); Each said deflection plate comprises first plate (51) and second plate (52), and the plate face of this first plate (51) and second plate (52) intersects each other.
2. shell-and-tube heat exchanger according to claim 1 is characterized in that, said first plate (51) shape that the projection on the cross sectional planes of said housing (3) constitutes with second plate (52) is consistent with the shape of cross section of said housing (3).
3. shell-and-tube heat exchanger according to claim 1 and 2 is characterized in that, the shape of cross section of said housing (3) is circular.
4. shell-and-tube heat exchanger according to claim 1 and 2 is characterized in that, the plate face shape of said first plate (51) and second plate (52) is identical.
5. shell-and-tube heat exchanger according to claim 1 and 2 is characterized in that, the cross one another angle of plate face of said first plate (51) and second plate (52) is 10 °-90 °.
6. shell-and-tube heat exchanger according to claim 5 is characterized in that, the cross one another angle of plate face of said first plate (51) and second plate (52) is 40 °-60 °.
7. shell-and-tube heat exchanger according to claim 1 and 2 is characterized in that, said shell-and-tube heat exchanger is fixed tube-sheet exchanger, movable tube sheets heat exchanger or U-shaped pipe heat exchanger.
CN2011101026062A 2011-04-22 2011-04-22 Shell-and-tube heat exchanger Pending CN102748965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101026062A CN102748965A (en) 2011-04-22 2011-04-22 Shell-and-tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101026062A CN102748965A (en) 2011-04-22 2011-04-22 Shell-and-tube heat exchanger

Publications (1)

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CN102748965A true CN102748965A (en) 2012-10-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202037A (en) * 2017-07-19 2017-09-26 陈宗良 A kind of centrifugal compressed oil cooler
CN107883803A (en) * 2017-11-06 2018-04-06 深圳中广核工程设计有限公司 shell-and-tube heat exchanger
RU2827108C1 (en) * 2020-08-14 2024-09-23 Зульцер Мэнэджмент Аг Device for supplying or removing heat, conducting reactions and mixing or dispersing fluids

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04227483A (en) * 1990-05-11 1992-08-17 Phillips Petroleum Co Heat exchanger used for hf alkylation
CN2339964Y (en) * 1998-05-12 1999-09-22 杨杰辉 Spiral baffle heat-exchanger
CN201444001U (en) * 2009-04-21 2010-04-28 赵健含 Helical transverse baffle heat exchanger
CN202101584U (en) * 2011-04-22 2012-01-04 中国石油化工股份有限公司 Shell-and-tube heat exchanger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04227483A (en) * 1990-05-11 1992-08-17 Phillips Petroleum Co Heat exchanger used for hf alkylation
CN2339964Y (en) * 1998-05-12 1999-09-22 杨杰辉 Spiral baffle heat-exchanger
CN201444001U (en) * 2009-04-21 2010-04-28 赵健含 Helical transverse baffle heat exchanger
CN202101584U (en) * 2011-04-22 2012-01-04 中国石油化工股份有限公司 Shell-and-tube heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202037A (en) * 2017-07-19 2017-09-26 陈宗良 A kind of centrifugal compressed oil cooler
CN107883803A (en) * 2017-11-06 2018-04-06 深圳中广核工程设计有限公司 shell-and-tube heat exchanger
CN107883803B (en) * 2017-11-06 2019-10-15 深圳中广核工程设计有限公司 Shell-and-tube heat exchanger
RU2827108C1 (en) * 2020-08-14 2024-09-23 Зульцер Мэнэджмент Аг Device for supplying or removing heat, conducting reactions and mixing or dispersing fluids

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Application publication date: 20121024