CN104374215A - Supporting type heat exchanger with tube bundle sleeves and fixing pore plates - Google Patents

Supporting type heat exchanger with tube bundle sleeves and fixing pore plates Download PDF

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Publication number
CN104374215A
CN104374215A CN201410675518.5A CN201410675518A CN104374215A CN 104374215 A CN104374215 A CN 104374215A CN 201410675518 A CN201410675518 A CN 201410675518A CN 104374215 A CN104374215 A CN 104374215A
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China
Prior art keywords
tube
heat exchanger
tube bundle
fixing
supporting type
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CN201410675518.5A
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Chinese (zh)
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CN104374215B (en
Inventor
薛路舟
霍东升
段有龙
于涛
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Abstract

The invention relates to a supporting type heat exchanger with tube bundle sleeves and fixing pore plates. The supporting type heat exchanger comprises a tubular heat exchanger, a heat exchanging tube bundle in the tubular heat exchanger is supported and fixed in the circumferential direction through tube bundle hoops and the fixing pore plates, the tube bundle sleeves are arranged outside heat exchanging tubes at the supporting positions, and the shape of the tube bundle hoops and the shape of through holes in the fixing pore plates are adapted to the contour of the exterior of the heat exchanging tube bundle. Compared with the prior art, the supporting type heat exchanger has the advantages that complex, continuous and even flowing channels are formed between the heat exchanging tubes through media inside a shell pass, the turbulence degree of the media is increased, boundary layers of flowing are thinned, heat transfer resistance is reduced, and then heat exchanging efficiency is improved; the size of the supporting type heat exchanger is small without a baffle plate, and therefore the manufacturing cost is low; flowing dead zones inside the shell pass are eliminated, and therefore the pressure drop of the media inside the shell pass is reduced; the heat exchanger is not prone to being scaled; because the through holes are formed in a large area in the fixing pore plates, the heat exchanging tubes are quite convenient to install and detach; the tube bundle hoops and the fixing pore plates are adopted for fixing in the circumferential direction, in this way, the structure is stable, and vibration and noise are low.

Description

A kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger
Technical field
The present invention relates to a kind of pipe heat exchanger, particularly relate to a kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger for the heat exchange of coking industry medium, problems such as can effectively solving impurity buildups sedimentation, heat exchange efficiency is low, shell side resistance is large.
Background technology
Tubular type (also known as shell-and-tube, shell and tube) heat exchanger is most typical dividing wall type heat exchanger, and its application industrially has long history, and still dominate in all heat exchangers so far.Pipe heat exchanger is primarily of housing, tube bank, tube sheet and envelope first class sections composition, and how rounded housing is, and bundle of parallel tubes is equipped with in inside, and tube bank two ends are fixed on tube sheet.
In pipe heat exchanger, carry out two kinds of fluids of heat exchange, a kind of at Bottomhole pressure, its stroke is called tube side; In the outer flowing of pipe, its stroke is called shell side, and the wall of tube bank is heat-transfer area.For improving extratubal fluid heat transfer coefficient, in housing, usually install the horizontal baffle plate of some, baffle plate not only can anti-fluid short circuit, increases fluid velocity, also force fluid by prescribed path repeatedly cross-flow by tube bank, less turbulence is greatly increased.Conventional plate washer has circle to lack shape and full circle shape two kinds.Fluid is often once called a tube side by tube bank in pipe, is often once called a shell side by housing.For improving the speed of tube fluid, dividing plate being set in the end socket of two ends whole pipe average mark is divided into some groups.Like this, fluid only can come and go tube bank repeatedly by partial tube at every turn, is called multitube distance.Equally, for improving the outer flow velocity of pipe, longitudinal plate washer can be installed in housing and make fluid Multiple through then out shell space, claiming muitishell.
Usually it is low to there is heat exchange efficiency in conventional tube shell heat exchanger, shell side medium impurity buildups, the shortcomings such as difficult cleaning, complex structure.Along with shell side supporting is tending towards simplifying, in recent years, occur that shell side does not need support and tube side self-supporting structure.At present, known tube bank has punching membrane chip, distorted elliptical tubular type, variable cross-section tubular type etc. from supporting form, but ubiquity makes the problem of processing difficulties, non-easy cleaning, detachable maintaining inconvenience.
Summary of the invention
The invention provides a kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger, adopt fixing orifice plate support plate and tube bundle wrapper tubular construction, effectively improve heat exchange efficiency, the structure of no baffle plate decreases shell side and piles up impurity, in addition there is Stability Analysis of Structures, vibrating noise is little, quick detachable, maintenance and cleaning, and equipment takes up an area little, the advantage such as cost is low.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger, comprise pipe heat exchanger, heat-exchanging tube bundle in described pipe heat exchanger realizes circumferential supporting and fixing by tube bank hoop and fixing orifice plate, be equipped with tube bank sleeve pipe outside the heat exchanger tube of supporting place, the shape of through holes on tube bank hoop shape, fixing orifice plate and heat-exchanging tube bundle exterior contour adapt.
Described tube bundle wrapper length of tube is the heat exchanger tube node length of 1 ~ 1.5 times, and the groove that inside tube bank sleeve pipe, compacting and heat exchanger tube shape adapt realizes the compact siro spinning technology between heat exchanger tube.
Described pipe heat exchanger is any one in floating head type pipe heat exchanger, U-shaped pipe heat exchanger or fixed tube-sheet exchanger, and its tube side is single tube journey or multitube distance.
Described fixing orifice plate is whole circular fixation hole plate, and fixing orifice plate offers the through hole adapted with heat-exchanging tube bundle exterior contour, and according to single tube journey or multitube distance determination perforated area.
Described heat exchanger tube is any one in transversally flute tube, thread groove tube, helix tube, bellows, shaped telescopic tube or finned tube.
Compared with prior art, the invention has the beneficial effects as follows:
1) medium in shell side forms complicated continuous, uniform flow path between heat exchanger tube, improves its turbulent extent, is thinned the boundary layer of flowing, reduces heat transmission resistance, thus improve heat exchange efficiency;
2) because heat exchange efficiency improves, heat exchange area can be made to reduce, and equipment volume declines thereupon, in addition this heat exchanger no baffle plate, and its manufacturing cost is reduced greatly;
3) due to no baffle plate in shell side, heat exchanger tube is supported mutually by tube bank sleeve pipe, and shell-side fluid is passed through from the gap between fixed sleeving, because this eliminating the flow dead in shell side, reduces the pressure drop of shell side medium:
4) due to non-blind area in shell side, therefore, this heat exchanger is less scaling; In addition, the special supporting construction of this heat exchanger can form higher flow velocity in shell side, thus also reduces the accumulation of impurity in medium:
5) fixing orifice plate offers large area through hole, compared to traditional deflection plate, heat exchanger tube is installed and is dismantled very convenient; Groove on fixed sleeving, both can fix heat exchanger tube, conveniently can restrain again the installation of hoop;
6) adopt tube bank hoop and fixing orifice plate circumference fixing, Stability Analysis of Structures, vibration and noise little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is fixing orifice plate, tube bank hoop and heat-exchanging tube bundle connection diagram.
In figure: 1. the bobbin carriage 2. tube side material inlet 3. tube side material outlet 4. channel flange 5. fixed tube sheet 6. shell flange 7. shell-side cylinder 8. shell side material outlet 9. shell side material inlet 10. heat exchanger tube 11. saddle 12. shell flange 13. outer skull flange 15. of floating tubesheet 14. outer skull 16. pass partition 17. hook circle 18. Floating Head Flange 19. raise the nose above water to breathe 20. tube bank sleeve pipes 21. fix orifice plate 22. restrain hoop
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
See Fig. 1, it is structural representation of the present invention, the present invention's one tube bank sleeve pipe fixing hole plate supporting type heat exchanger, comprise pipe heat exchanger, heat-exchanging tube bundle in described pipe heat exchanger realizes circumferential supporting and fixing by tube bank hoop and fixing orifice plate, be equipped with tube bank sleeve pipe outside the heat exchanger tube of supporting place, the shape of through holes on tube bank hoop shape, fixing orifice plate and heat-exchanging tube bundle exterior contour adapt.
Described tube bundle wrapper length of tube is the heat exchanger tube node length of 1 ~ 1.5 times, and the groove that inside tube bank sleeve pipe, compacting and heat exchanger tube shape adapt realizes the compact siro spinning technology between heat exchanger tube.
Described pipe heat exchanger is any one in floating head type pipe heat exchanger, U-shaped pipe heat exchanger or fixed tube-sheet exchanger, and its tube side is single tube journey or multitube distance.
Described fixing orifice plate is whole circular fixation hole plate, and fixing orifice plate offers the through hole adapted with heat-exchanging tube bundle exterior contour, and according to single tube journey or multitube distance determination perforated area.
Described heat exchanger tube is any one in transversally flute tube, thread groove tube, helix tube, bellows, shaped telescopic tube or finned tube.
Below for floating head type pipe heat exchanger to the present invention a kind of restrain sleeve pipe fixing hole plate supporting type heat exchanger overall structure and operation principle be described as follows:
As shown in Figure 1, bobbin carriage 1 is connected with channel flange 4, and be provided with pass partition 16 in bobbin carriage 1 and tube side be divided into many journeys (determining number of passes as the case may be), tube side material inlet 2, tube side material outlet 3 are located at front-end pipe box about 1 both sides respectively.Shell-side cylinder 7 is connected with shell flange 6, shell flange 12, is provided with saddle 11 below shell-side cylinder 7, and shell side material outlet 8, shell side material inlet 9 are located at shell-side cylinder 7 both sides respectively.Fixed tube sheet 5 is placed between channel flange 4 and shell flange 6, and floating tubesheet 13 is placed between hook circle 17, Floating Head Flange 18.Floating Head Flange 18 and floating head 19, outer skull 15 is connected with outer skull flange flange 14.
Heat-exchanging tube bundle is fixed between fixed tube sheet 5 and Floating Head Flange 18, according to the heat exchanger tube arrangement form arrangement of setting, every root heat exchanger tube 10 keeps at a certain distance away, corresponding fixing orifice plate 21 place is provided with tube bank sleeve pipe 20, it is fixing that tube bank sleeve pipe 20 place realizes circumference additionally by tube bank hoop 22 and whole circular fixation hole plate 21, the length of tube bank sleeve pipe 20 should be not less than the length of heat exchanger tube 10 1 node, shell-side fluid is passed from the gap jet between tube bank sleeve pipe 20, form complicated continuous, uniform runner, effectively raise heat exchange efficiency.Tube side medium is entered by tube side material inlet 2, is left by tube side material outlet 3.Shell side medium is entered by medium inlet 9, is left by media outlet 8.
Seeing Fig. 2, is fixing orifice plate 21, tube bank hoop 22 and heat-exchanging tube bundle connection diagram.Fixing orifice plate 21 adopts whole circular orifice, large area through hole is offered according to the arrangement form of heat-exchanging tube bundle, the exterior contour of its through hole and the overall outline of heat-exchanging tube bundle adapt, heat-exchanging tube bundle is formed after tube bundle wrapper pipe 20 loaded onto by single heating tube 10 cover, heat-exchanging tube bundle entirety is passed from the through hole of fixing orifice plate 21, and fixed by tube bank hoop 22, form tube bank sleeve pipe fixing hole plate supporting type structure.

Claims (5)

1. a tube bank sleeve pipe fixing hole plate supporting type heat exchanger, comprise pipe heat exchanger, it is characterized in that, heat-exchanging tube bundle in described pipe heat exchanger realizes circumferential supporting and fixing by tube bank hoop and fixing orifice plate, be equipped with tube bank sleeve pipe outside the heat exchanger tube of supporting place, the shape of through holes on tube bank hoop shape, fixing orifice plate and heat-exchanging tube bundle exterior contour adapt.
2. one tube bank sleeve pipe fixing hole plate supporting type heat exchanger according to claim 1, it is characterized in that, described tube bundle wrapper length of tube is the heat exchanger tube node length of 1 ~ 1.5 times, and the groove that inside tube bank sleeve pipe, compacting and heat exchanger tube shape adapt realizes the compact siro spinning technology between heat exchanger tube.
3. one tube bank sleeve pipe fixing hole plate supporting type heat exchanger according to claim 1, it is characterized in that, described pipe heat exchanger is any one in floating head type pipe heat exchanger, U-shaped pipe heat exchanger or fixed tube-sheet exchanger, and its tube side is single tube journey or multitube distance.
4. one tube bank sleeve pipe fixing hole plate supporting type heat exchanger according to claim 1, it is characterized in that, described fixing orifice plate is whole circular fixation hole plate, and fixing orifice plate offers the through hole adapted with heat-exchanging tube bundle exterior contour, and according to single tube journey or multitube distance determination perforated area.
5. one tube bank sleeve pipe fixing hole plate supporting type heat exchanger according to claim 1, it is characterized in that, described heat exchanger tube is any one in transversally flute tube, thread groove tube, helix tube, bellows, shaped telescopic tube or finned tube.
CN201410675518.5A 2014-11-21 2014-11-21 Supporting type heat exchanger with tube bundle sleeves and fixing pore plates Active CN104374215B (en)

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CN104374215B CN104374215B (en) 2017-01-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525420A (en) * 2017-09-30 2017-12-29 芜湖精达机械制造有限公司 A kind of U-shaped tubing heat exchanger

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5485459A (en) * 1977-12-20 1979-07-07 Babcock Hitachi Kk Sleeve fitting method
CN1160187A (en) * 1995-11-21 1997-09-24 赫德逊产品有限公司 Heat pipe heat exchanger tubesheet
CN2596308Y (en) * 2003-01-17 2003-12-31 田雅杰 Wave node (or corrugate) heat exchanging tube with protective sleeve
CN201945215U (en) * 2010-12-27 2011-08-24 青岛磐石容器制造有限公司 Fixed tube plate type double-tube heat exchanger
CN203464805U (en) * 2013-08-12 2014-03-05 莱芜市图腾制冷设备有限公司 Corrugated tube sleeve type fixed-tube-sheet heat exchanger
CN204268924U (en) * 2014-11-21 2015-04-15 中冶焦耐工程技术有限公司 A kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5485459A (en) * 1977-12-20 1979-07-07 Babcock Hitachi Kk Sleeve fitting method
CN1160187A (en) * 1995-11-21 1997-09-24 赫德逊产品有限公司 Heat pipe heat exchanger tubesheet
CN2596308Y (en) * 2003-01-17 2003-12-31 田雅杰 Wave node (or corrugate) heat exchanging tube with protective sleeve
CN201945215U (en) * 2010-12-27 2011-08-24 青岛磐石容器制造有限公司 Fixed tube plate type double-tube heat exchanger
CN203464805U (en) * 2013-08-12 2014-03-05 莱芜市图腾制冷设备有限公司 Corrugated tube sleeve type fixed-tube-sheet heat exchanger
CN204268924U (en) * 2014-11-21 2015-04-15 中冶焦耐工程技术有限公司 A kind of tube bank sleeve pipe fixing hole plate supporting type heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525420A (en) * 2017-09-30 2017-12-29 芜湖精达机械制造有限公司 A kind of U-shaped tubing heat exchanger

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Effective date of registration: 20180727

Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning

Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC

Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning

Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC

TR01 Transfer of patent right