CN104061808B - The horizontal shell-and-tube heat exchanger that medium is detained can be prevented - Google Patents
The horizontal shell-and-tube heat exchanger that medium is detained can be prevented Download PDFInfo
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- CN104061808B CN104061808B CN201410318047.2A CN201410318047A CN104061808B CN 104061808 B CN104061808 B CN 104061808B CN 201410318047 A CN201410318047 A CN 201410318047A CN 104061808 B CN104061808 B CN 104061808B
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- heat exchanger
- tube
- pipe box
- bobbin carriage
- dividing plate
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Abstract
The present invention discloses a kind of shell-and-tube heat exchanger preventing medium to be detained, including housing and bobbin carriage；The internal diameter of bobbin carriage is less than the internal diameter of housing；The minimum point that in the vertical direction is positioned at the inwall of the heat exchanger tube of bottom is concordant with the minimum point of the bobbin carriage inwall connected.The heat exchanger tube in outside, connects in the way of the inwall of heat exchanger tube adjacent tube tank wall side is concordant with the inner surface of described bobbin carriage wall.The minimum point of the inwall of the heat exchanger tube of neighbouring dividing plate upper surface is concordant with described dividing plate upper surface.The peak of the inwall of the heat exchanger tube of neighbouring dividing plate lower surface is concordant with described dividing plate lower surface.The shell-and-tube heat exchanger that the present invention provides can be prevented effectively from medium and be detained in housing, bobbin carriage.
Description
Technical field
The present invention relates to fluid heat transfer technical field, particularly to a kind of horizontal shell heat exchange preventing medium to be detained
Device.
Background technology
Traditional shell-and-tube heat exchanger has the following characteristics that 1, bobbin carriage diameter is identical with diameter of the housing；2, piping mode has
Two kinds, triangular arrangement or arranged in squares；3, bobbin carriage usually flange forms with casing assembly welding；4, heat exchanger two ends bobbin carriage
Volume relatively big, horizontal have delay dead angle in the bobbin carriage of two ends when installing.
Operationally, the tube side medium time of staying in the bobbin carriage at tubulation two ends is longer for traditional shell-and-tube heat exchanger,
The fluid that especially viscosity is higher, can strengthen the difference of the time of staying, finally affect product quality.
Summary of the invention
Present invention aim at providing a kind of heated medium be middle pressure, low discharge, middle low viscosity (2～6Mpa, 4～
10t/h, and viscosity < 300cp) heat exchanger of fluid.
The horizontal shell-and-tube heat exchanger that medium is detained can be prevented, including housing 1, bobbin carriage, the first tube sheet 6 and the second tube sheet 12；
The top, one end of described housing 1 is provided with thermal medium entrance 4, and the bottom of housing 1 other end is provided with thermal medium outlet 5；Described bobbin carriage
Including left pipe box 7 and right pipe box 8；The top of described left pipe box 7 is provided with cold medium inlet 9, and the bottom of left pipe box 7 is provided with cold medium
Outlet 10；One end of described housing 1, the first tube sheet 6, left pipe box 7 are connected；The other end of described housing 1, the second tube sheet 12,
Right pipe box 8 is connected；Described first tube sheet 6 and the second tube sheet 12 have several corresponding tubesheet holes；Water in described housing 1
The flat heat exchanger tube 2 arranging several, heat exchanger tube 2 is located in tubesheet holes, is connected with bobbin carriage by tubesheet holes, the number of heat exchanger tube 2
Measure corresponding with tubesheet holes；Several deflection plates 3 it are vertically arranged in described housing 1；Described heat exchanger tube 2 is through deflection plate 3；Described
The internal diameter of bobbin carriage is less than the internal diameter of housing 1；In the vertical direction is positioned at the minimum point of the inwall of the heat exchanger tube 2 of bottom and is connected
The minimum point of logical bobbin carriage inwall concordant (of the present invention concordant i.e. refer on a horizontal plane).This structure makes bobbin carriage
The minimum point of minimum point and bottom heat exchanger tube is generally flush with, and does not has dead angle without step, contributes to liquid and discharges from bobbin carriage,
Do not result in partially liq and be trapped in the minimum point of bobbin carriage
Preferably, the heat exchanger tube 2 (i.e. the heat exchanger tube of tube sheet outermost circumference) in outside, with heat exchanger tube 2 adjacent tube tank wall side
The inwall mode concordant with the inner surface of described bobbin carriage wall connect, it is to avoid liquid holdup.
In described left pipe box 7, crossing centrage in the horizontal direction and arrange dividing plate 11, described dividing plate 11 is by left pipe box 7 average mark
It is slit into two spaces；Preferably, the minimum point of the inwall of the heat exchanger tube 2 of neighbouring dividing plate upper surface is put down with described dividing plate 11 upper surface
Together.This structure makes the upper surface of dividing plate and the minimum point of bottom heat exchanger tube be generally flush with, and does not has dead angle without step,
Contribute to liquid to discharge from bobbin carriage, do not result in partially liq and be trapped on dividing plate.
Preferably, the peak of the inwall of the heat exchanger tube 2 of neighbouring dividing plate lower surface is concordant with described dividing plate 11 lower surface, keeps away
Exempt from liquid holdup.
Preferably, the circumference of described first tube sheet 6, the circumference of the second tube sheet 12 are provided with bolt hole, respectively by the first method
Blue 13, second flange 14 is connected with described left pipe box 7 and right pipe box 8；Described right pipe box 8 is integrated into described second flange 14
Type；In the horizontal direction, described right pipe box 8 is between the second tube sheet 12 and the second flange 14, thus shortens right pipe box 8
Axial length, reduces the circulation area of cold medium, increases rate of flow of fluid, it is to avoid cold medium is detained in right pipe box 8.
Preferably, described right pipe box 8 crosses the area of section stream less than or equal to one way tube side of centrage in the horizontal direction
Logical area.The flow direction of the cold medium of the application heat exchanger is sleeping U-shaped, turns at right pipe box 8, when its area of section is equal to one way pipe
During the circulation area of journey, the flow velocity of turning fluid is equal to the rate of flow of fluid in heat exchanger tube；When its area of section is less than one way pipe
During the circulation area of journey, the flow velocity of turning fluid is more than the rate of flow of fluid in heat exchanger tube, and rate of flow of fluid is big, washes away dynamics more
Greatly, it is possible to prevent fluid retention.
Whole heat exchanger tubes in a bobbin carriage of the present invention constitute a U-tube journey, and wherein the heat exchanger tube of half is constituted
One one way tube side.
The circulation area of one way tube side of the present invention, refers to the summation of one way tube side all of heat exchanger tube internal diameter area.
Accompanying drawing explanation
Accompanying drawing 7 width of the present invention,
Fig. 1 is prior art shell-and-tube heat exchanger schematic diagram；
Fig. 2 is prior art shell-and-tube heat exchanger B-B generalized section；
Fig. 3 is prior art shell-and-tube heat exchanger A-A generalized section；
Fig. 4, Fig. 7 are the shell-and-tube heat exchanger structural representation that the present invention can prevent medium to be detained；
Fig. 5 is the shell-and-tube heat exchanger structure B-B generalized section that the present invention can prevent medium to be detained；
Fig. 6 is the shell-and-tube heat exchanger structure A-A generalized section that the present invention can prevent medium to be detained；
Fig. 8 is that the cold and hot medium of shell-and-tube heat exchanger that the present invention can prevent medium to be detained flows to schematic diagram；
Fig. 9 is enlarged drawing at the I of Fig. 8；
In figure: 1 housing；2 heat exchanger tubes；3 deflection plates；4 thermal medium entrances；5 thermal medium outlet；6 first tube sheets；7 left pipe box
With 8 right pipe box；9 cold medium inlets；10 cold media outlets；11 dividing plates；12 second tube sheets；13 first flanges；14 second flanges.
Detailed description of the invention
Following non-limiting example can make those of ordinary skill in the art that the present invention be more fully understood, but not with
Any mode limits the present invention.
Several shell-and-tube heat exchangers are connected, and can increase and decrease quantity according to heat exchange amount.
Thermal medium along topmost thermal medium entrance 4 enter in shell side, through deflection plate 3 water conservancy diversion, flow through heat exchanger tube 2, with
After cold medium heat exchange in heat exchanger tube 2, flow out from the thermal medium outlet 5 of housing bottom；Enter back into next thermal medium entrance,
Move in circles, finally flow out from the thermal medium outlet of foot housing；
Cold medium enters the left pipe box 7 of bobbin carriage along the cold medium inlet 4 of foot, hence into heat exchange tube side, because of dividing plate
Effect its first flow through the heat exchanger tube being distributed in dividing plate 11 the latter half, the rear right pipe box 8 flowing into bobbin carriage, then flow through right pipe box 8
Entering to be distributed in the heat exchanger tube of dividing plate 11 top half, period carries out heat exchange with the thermal medium in shell side；Then it is back to left pipe
Case 7, through cold media outlet 10, enters back into a cold medium inlet, moves in circles, finally from the cold media outlet stream of topmost
Going out, heating process terminates.
Embodiment 1
As it is shown in fig. 7, the horizontal shell-and-tube heat exchanger that medium is detained can be prevented, including housing 1, bobbin carriage, the first tube sheet 6 and
Two tube sheets 12；The top, one end of housing 1 is provided with thermal medium entrance 4, and the bottom of housing 1 other end is provided with thermal medium outlet 5；Bobbin carriage
Including left pipe box 7 and right pipe box 8；The top of left pipe box 7 is provided with cold medium inlet 9, and the bottom of left pipe box 7 is provided with cold media outlet
10；One end of housing 1, the first tube sheet 6, left pipe box 7 are connected；The other end of housing 1, the second tube sheet 12, right pipe box 8 are connected
Connect；First tube sheet 6 and the second tube sheet 12 have several corresponding tubesheet holes；Several heat exchange it is horizontally disposed with in housing 1
Pipe 2, heat exchanger tube 2 is located in tubesheet holes, is connected with bobbin carriage by tubesheet holes, and the quantity of heat exchanger tube 2 is corresponding with tubesheet holes；Shell
Several deflection plates 3 it are vertically arranged in body 1；Heat exchanger tube 2 is through deflection plate 3；The internal diameter of bobbin carriage is less than the internal diameter of housing 1；Perpendicular
The minimum point that Nogata is upwards positioned at the inwall of the heat exchanger tube 2 of bottom is concordant with the minimum point of the bobbin carriage inwall connected；Outside
Heat exchanger tube 2, connect in the way of the inwall of heat exchanger tube 2 adjacent tube tank wall side is concordant with the inner surface of described bobbin carriage wall, keep away
Exempt from liquid holdup.In left pipe box 7, crossing centrage in the horizontal direction and arrange dividing plate 11, left pipe box 7 is averagely split by described dividing plate 11
Becoming two spaces, the minimum point of the inwall of the heat exchanger tube 2 of neighbouring dividing plate upper surface is concordant with described dividing plate 11 upper surface；Neighbouring every
The peak of the inwall of the heat exchanger tube 2 of plate lower surface is concordant with described dividing plate 11 lower surface；The circumference of the first tube sheet 6, the second pipe
The circumference of plate 12 is provided with bolt hole, is connected with described left pipe box 7 and right pipe box 8 by first flange the 13, second flange 14 respectively；
Right pipe box 8 is formed in one with the second flange 14；In the horizontal direction, right pipe box 8 is positioned at the second tube sheet 12 and the second flange 14
Between；Right pipe box 8 crosses the area of section circulation area less than or equal to one way tube side of centrage in the horizontal direction.
Claims (6)
1. can prevent the horizontal shell-and-tube heat exchanger that medium is detained,
Including housing (1), bobbin carriage, the first tube sheet (6) and the second tube sheet (12)；
The top, one end of described housing (1) is provided with thermal medium entrance (4), and the bottom of housing (1) other end is provided with thermal medium outlet
(5)；
Described bobbin carriage includes left pipe box (7) and right pipe box (8)；The top of described left pipe box (7) is provided with cold medium inlet (9), left
The bottom of bobbin carriage (7) is provided with cold media outlet (10)；
One end of described housing (1), the first tube sheet (6), left pipe box (7) are connected；
The other end of described housing (1), the second tube sheet (12), right pipe box (8) are connected；
Described first tube sheet (6) and the second tube sheet (12) have several corresponding tubesheet holes；
Being horizontally disposed with several heat exchanger tube (2) in described housing (1), heat exchanger tube (2) is located in tubesheet holes, passes through tubesheet holes
Connecting with bobbin carriage, the quantity of heat exchanger tube (2) is corresponding with tubesheet holes；
Several deflection plates (3) it are vertically arranged in described housing (1)；Described heat exchanger tube (2) passes deflection plate (3)；
It is characterized in that: the internal diameter of described bobbin carriage is less than the internal diameter of housing (1)；In the vertical direction is positioned at the heat exchanger tube of bottom
(2) minimum point of inwall is concordant with the minimum point of the bobbin carriage inwall connected.
Horizontal shell-and-tube heat exchanger the most according to claim 1, it is characterised in that: the heat exchanger tube (2) in outside, with heat exchanger tube
(2) mode that the inwall of adjacent tube tank wall side is concordant with the inner surface of described bobbin carriage wall connects.
Horizontal shell-and-tube heat exchanger the most according to claim 1 and 2, in described left pipe box (7), crosses centrage in the horizontal direction
Arranging dividing plate (11), left pipe box (7) average mark is slit into two spaces by described dividing plate (11)；
It is characterized in that: the minimum point of the inwall of the heat exchanger tube (2) of neighbouring dividing plate upper surface is put down with described dividing plate (11) upper surface
Together.
Horizontal shell-and-tube heat exchanger the most according to claim 3, it is characterised in that: the heat exchanger tube (2) of neighbouring dividing plate lower surface
The peak of inwall concordant with described dividing plate (11) lower surface.
Horizontal shell-and-tube heat exchanger the most according to claim 1 and 2, the circumference of described first tube sheet (6) and the second tube sheet
(12) circumference is provided with bolt hole, respectively by the first flange (13), the second flange (14) and described left pipe box (7) and right pipe box
(8) connect；
It is characterized in that: described right pipe box (8) is formed in one with described second flange (14)；In the horizontal direction, the described right side
Bobbin carriage (8) is positioned between the second tube sheet (12) and the second flange (14).
Horizontal shell-and-tube heat exchanger the most according to claim 1 and 2, it is characterised in that described right pipe box (8) is in the horizontal direction
Cross the area of section circulation area less than or equal to one way tube side of centrage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410318047.2A CN104061808B (en) | 2014-07-04 | 2014-07-04 | The horizontal shell-and-tube heat exchanger that medium is detained can be prevented |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410318047.2A CN104061808B (en) | 2014-07-04 | 2014-07-04 | The horizontal shell-and-tube heat exchanger that medium is detained can be prevented |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061808A CN104061808A (en) | 2014-09-24 |
| CN104061808B true CN104061808B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410318047.2A Active CN104061808B (en) | 2014-07-04 | 2014-07-04 | The horizontal shell-and-tube heat exchanger that medium is detained can be prevented |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937857B (en) * | 2016-06-29 | 2018-08-28 | 上海电气凯士比核电泵阀有限公司 | A kind of shell-and-tube heat exchanger being suitable for three fluid heat transfers |
| CN109405598B (en) * | 2018-11-08 | 2024-05-14 | 上海慧得节能科技有限公司 | Reducing pipe-line hot-blast stove heat exchanger |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203928818U (en) * | 2014-07-04 | 2014-11-05 | 大连海新工程技术有限公司 | Can prevent the horizontal shell-and-tube heat exchanger that medium is detained |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871590U (en) * | 1981-11-06 | 1983-05-14 | 住友重機械工業株式会社 | Tube bundle support device for body side longitudinal flow heat exchanger |
| JP2005036765A (en) * | 2003-07-18 | 2005-02-10 | Hino Motors Ltd | Egr cooler |
| US8034308B2 (en) * | 2009-06-09 | 2011-10-11 | Honeywell International, Inc. | Multi-stage multi-tube shell-and-tube reactor |
| CN101943527A (en) * | 2010-09-29 | 2011-01-12 | 中原工学院 | Multiple shell pass countercurrent-growth tube heat exchanger |
| CN203132399U (en) * | 2013-01-31 | 2013-08-14 | 常州朗脉洁净技术有限公司 | Clean tube type heat exchanger with double tube sheets |
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2014
- 2014-07-04 CN CN201410318047.2A patent/CN104061808B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203928818U (en) * | 2014-07-04 | 2014-11-05 | 大连海新工程技术有限公司 | Can prevent the horizontal shell-and-tube heat exchanger that medium is detained |
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