CN105651100A - Flow guiding and resistance-reducing device in flow guiding barrel, flow guiding barrel and tube-shell-type heat exchanger - Google Patents
Flow guiding and resistance-reducing device in flow guiding barrel, flow guiding barrel and tube-shell-type heat exchanger Download PDFInfo
- Publication number
- CN105651100A CN105651100A CN201610159504.7A CN201610159504A CN105651100A CN 105651100 A CN105651100 A CN 105651100A CN 201610159504 A CN201610159504 A CN 201610159504A CN 105651100 A CN105651100 A CN 105651100A
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- China
- Prior art keywords
- shell
- guide shell
- flow guiding
- damping device
- arcs
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1638—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one
- F28D7/1646—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one with particular pattern of flow of the heat exchange medium flowing outside the conduit assemblies, e.g. change of flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/04—Communication passages between channels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of tube-shell-type heat exchangers, in particular to a flow guiding and resistance-reducing device in a flow guiding barrel, the flow guiding barrel and a tube-shell-type heat exchanger, wherein the flow guiding and resistance reducing device is arranged along the axial direction of the inner shell of the flow guiding barrel; the flow guiding and resistance reducing device is of a closed structure spliced by two arc-shaped plates and two side plates; the upper ends of the two arc-shaped plates are connected; the lower ends of the two arc-shaped plates are separately fixed on the inner shell of the flow guiding barrel; the two opposite side ends of the two arc-shaped plates are separately fixedly connected with the corresponding side plate; and the arc-shaped surfaces of the two arc-shaped plates are both bent toward the inner sides. Compared with the prior art, the flow guiding and resistance-reducing device is advantaged in that the retention area of fluid in the flow guiding barrel is eliminated; the flowing resistance is reduced; and the energy-saving effect is good; the flow guiding and resistance-reducing device has the advantages of being simple in structure and convenient for manufacture; and the flow guiding and resistance-reducing device can be widely applied to heat exchangers in the oil industry, the chemistry industry, the electricity industry and the like.
Description
Technical field
The present invention relates to shell-and-tube heat exchanger technical field, be specifically related in guide shell drain damping device, guide shell and shell-and-tube heat exchanger.
Background technology
At present, in the industries such as China's oil chemical industry, heat transmission equipment accounts for more than the 30% of equipment investment, in heat transmission equipment, make consumption maximum be shell-and-tube heat exchanger, therefore improve the usefulness of heat exchanger to chemical industry energy-saving and emission-reduction, increase the benefit extremely important.
Traditional shell-and-tube heat exchanger adopts smooth pipe and single arcuate baffle plate support structure, fluid is perpendicular to, at shell side, the horizontal mobility that pipe is axial, there is bigger flowing and heat transfer dead band in region before and after deflection plate, the overall heat exchange efficiency making heat exchanger reduces, flow resistance increases, and when high reynolds number, often occur Flow-induced vibration to cause heat exchanger failure. In order to make up drawbacks described above, develop the Novel tube bundles such as rod baffle, cavity ring and helical baffles at present both at home and abroad to support, and the Novel heat exchange pipe such as band pipe, spiral grooved tube, bellows tube, shaped telescopic tube, spiral flat tube, but these new structures have certain subject range and condition.
In prior art, importing and exporting the heat exchange area of section in order to make full use of heat exchanger shell pass, set up guide shell in shell-and-tube heat exchanger shell side import and export section, its main purpose is the even fluid distribution in order to make shell side import department, reduce the speed of fluid, reduce the impact of fluid exchange heat pipe. But, existing guide shell is unreasonable due to structural design, guide shell barrier fluid so that forming the stagnant area of fluid in guide shell, fluid resistance is bigger. On the other hand, owing to guide shell structure is complicated, difficulty of processing is big, and equipment cost is higher, and the bearing capacity of heat exchanger shell pass decreases.
Summary of the invention
Above-mentioned technical problem is there is for prior art, present invention aim at providing and a kind of can eliminate the stagnant area of fluid in guide shell, reduce flow resistance, good energy-conserving effect and drain damping device, guide shell and shell-and-tube heat exchanger in simple in construction, easily manufactured guide shell.
For achieving the above object, the present invention provides techniques below scheme:
Drain damping device in guide shell is provided, described guide shell includes guide shell inner shell and guide shell shell, described guide shell shell is provided with shell side import, described drain damping device is axially arranged along described guide shell inner shell, described drain damping device is the enclosed construction being spliced by two pieces of arcs and two blocks of side plates, the upper end of described two pieces of arcs is connected, the lower end of described two pieces of arcs is individually fixed in described guide shell inner shell, the two side ends connection fixing with corresponding side plate respectively that described two pieces of arcs are relative; The arcwall face of described two pieces of arcs all inwards bends.
Wherein, described two pieces of arcs and two blocks of side plates are all symmetrical arranged.
Wherein, the upper end welding of described two pieces of arcs, the lower end of described two pieces of arcs is respectively welded in described guide shell inner shell.
Wherein, the upper end weld of described two pieces of arcs is tip-angled shape, and the lower end weld of described two pieces of arcs is in smooth shape.
Wherein, the arc radius of the arcwall face of described arc is less than the radius of described guide shell inner shell.
Wherein, described arc is rectangular slab, and the length of described arc is more than the interior electrical path length of described shell side import.
Wherein, the big 100 ~ 150mm of interior electrical path length of shell side import described in the length ratio of described arc.
Wherein, described arc and side plate be steel plate compacting form.
The present invention also provides for guide shell, and including guide shell inner shell and guide shell shell, described guide shell shell is provided with shell side import, is additionally provided with above-mentioned drain damping device in described guide shell.
The present invention also provides for shell-and-tube heat exchanger, and including housing, the inlet and outlet near described housing is provided with guide shell, and the guide shell being positioned at the import department of described housing is provided with above-mentioned drain damping device.
Beneficial effects of the present invention:
Axially arranged along guide shell inner shell of drain damping device in the guide shell of the present invention, drain damping device is the enclosed construction being spliced by two pieces of arcs and two blocks of side plates, the upper end of two pieces of arcs is connected, the lower end of two pieces of arcs is individually fixed in guide shell inner shell, the two side ends connection fixing with corresponding side plate respectively that two pieces of arcs are relative; The arcwall face of two pieces of arcs all inwards bends. Compared with prior art, the invention have the advantages that
(1) present invention installs drain damping device on the guide shell inner shell be positioned at heat exchanger shell pass, after fluid enters guide shell, fluid is flowed to both sides by two pieces of arcs, it washes away resistance and is disperseed, and makes even fluid distribution, so that irregular fluid becomes the fluid of systematicness after entering guide shell, can steady flow condition, there is the effect reducing fluid flow resistance, and avoid the huge fluid resistance that guide shell bears, reduce the impact of fluid exchange heat pipe;
(2) present invention installs drain damping device on guide shell inner shell, the distribution of fluid can be efficiently controlled, eliminate the stagnant area that the guide shell of prior art is formed due to barrier fluid, reduce fluid flow resistance further, save bigger energy, be conducive to improving the usefulness of heat exchanger;
(3) the drain damping device of the present invention has simple in construction, easily manufactured advantage, the weight of the drain damping device owing to increasing in guide shell only accounts for few part of whole equipment, the burden of equipment can't be increased, and it is prone to processing, less costly, on the improvement cost of equipment also without impact, therefore, the drain damping device of the present invention can be widely applied in the heat exchanger of the industries such as oil, chemical industry and electric power.
Accompanying drawing explanation
Fig. 1 be the present invention guide shell in the structural representation of drain damping device.
Fig. 2 be the present invention guide shell in the structural representation of another angle of drain damping device.
Fig. 3 be the present invention guide shell in the structural representation of arc of drain damping device.
Fig. 4 is the use view of the guide shell of the present invention.
Fig. 5 is the structural representation of the shell-and-tube heat exchanger of the present invention.
Accompanying drawing labelling:
Housing 1, import 11, outlet 12;
Guide shell 2, guide shell inner shell 21, guide shell shell 22, shell side import 23;
Drain damping device 3, arc 31, side plate 32;
Heat exchanger tube 4.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1:
The guide shell of the present embodiment is as shown in Figures 1 to 5, guide shell 2 includes guide shell inner shell 21 and guide shell shell 22, guide shell shell 22 is provided with shell side import 23, drain damping device 3 it is provided with in guide shell 2, drain damping device 3 is axially arranged along guide shell inner shell 21, and drain damping device 3 is the enclosed construction being spliced by two pieces of arcs 31 and two blocks of side plates 32. Wherein: two pieces of arcs 31 and two blocks of side plates 32 are all symmetrical arranged, the upper end welding of two pieces of arcs 31, the lower end of two pieces of arcs 31 is respectively welded in guide shell inner shell 21, the two side ends that two pieces of arcs 31 are relative is welded with corresponding side plate 32 respectively, the arcwall face of two pieces of arcs 31 all inwards bends (see Fig. 1, inner side refers to that two pieces of arcs 31 are towards each relative direction). After fluid enters guide shell 2, fluid is flowed to both sides by two pieces of arcs 31, it washes away resistance and is disperseed, even fluid distribution reduction is made vertically to wash away, so that irregular fluid becomes the fluid of systematicness after entering guide shell 2, it is possible to steady flow condition, there is the effect reducing fluid flow resistance, avoid the huge fluid resistance that guide shell 2 bears, reduce the impact of fluid exchange heat pipe 4; On the other hand, the present invention can efficiently control the distribution of fluid, eliminates the stagnant area that the guide shell 2 of prior art is formed due to barrier fluid, reduces fluid flow resistance further, saves bigger energy.
Concrete, the upper end weld of two pieces of arcs 31 is polished into tip-angled shape, and the lower end weld of two pieces of arcs 31 is polished into smooth shape, to reduce the flow resistance of fluid further.
Concrete, the arc radius of the arcwall face of arc 31 is less than the radius of guide shell inner shell 21, arc 31 adopts this radian to design, it is possible to being substantially reduced fluid through out-of-date flow resistance, its flow resistance is far smaller than the flow resistance of other shapes such as conical plate, L-square.
In the present embodiment, arc 31 is rectangular slab, axial along guide shell inner shell 21, the length of arc 31 is more than the interior electrical path length of shell side import 23, and the big 100 ~ 150mm of interior electrical path length of the length ratio shell side import 23 of arc 31, so that the fluid entered by shell side import 23 can disperse formation rule fluid along the arcwall face of two pieces of arcs 31 rapidly, make fluid distrbution more uniform, play steady flow condition, reduce the effect of fluid flow resistance.
Concrete, the thickness of arc 31 and side plate 32 is determined according to the size of fluid flow.
Concrete, arc 31 and side plate 32 are steel plate compacting and form, and have the advantage being prone to processing.
The drain damping device 3 of the present invention has the advantage that structural design is simple, easily manufactured, the weight of the drain damping device 3 owing to increasing in guide shell only accounts for few part of whole equipment, the burden of equipment can't be increased, and it is prone to processing, less costly, on the improvement cost of equipment also without impact.Therefore, the drain damping device 3 of the present invention can be widely applied in the heat exchanger of the industries such as oil, chemical industry and electric power.
Embodiment 2:
The shell-and-tube heat exchanger of the present embodiment, as shown in Figure 4 and Figure 5, including housing 1, import 11 and outlet 12 places of housing 1 are provided with guide shell 2, and the guide shell 2 at import 11 place being positioned at housing 1 is provided with drain damping device 3. The structure of drain damping device 3 is identical with embodiment 1.
After fluid enters guide shell 2, fluid is flowed to both sides by two pieces of arcs 31, it washes away resistance and is disperseed, even fluid distribution minimizing is made vertically to wash away, so that irregular fluid becomes the fluid of systematicness after entering guide shell 2, it is possible to steady flow condition, there is the effect reducing fluid flow resistance, and avoid the huge fluid resistance that guide shell 2 bears, reduce the impact of fluid exchange heat pipe 4; On the other hand, the present invention can efficiently control the distribution of fluid, eliminates the stagnant area that the guide shell 2 of prior art is formed due to barrier fluid, reduces fluid flow resistance further, saves bigger energy. The drain damping device 3 of the present invention also has the advantage that structural design is simple, easily manufactured, the weight of the drain damping device 3 owing to increasing in guide shell only accounts for few part of whole equipment, the burden of equipment can't be increased, and it is prone to processing, less costly, on the improvement cost of equipment also without impact. Therefore, the drain damping device 3 of the present invention can be widely applied in the heat exchanger of the industries such as oil, chemical industry and electric power.
Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. drain damping device in guide shell, described guide shell includes guide shell inner shell and guide shell shell, described guide shell shell is provided with shell side import, it is characterized in that: described drain damping device is axially arranged along described guide shell inner shell, described drain damping device is the enclosed construction being spliced by two pieces of arcs and two blocks of side plates, the upper end of described two pieces of arcs is connected, the lower end of described two pieces of arcs is individually fixed in described guide shell inner shell, the two side ends connection fixing with corresponding side plate respectively that described two pieces of arcs are relative; The arcwall face of described two pieces of arcs all inwards bends.
2. drain damping device in guide shell according to claim 1, is characterized in that: described two pieces of arcs and two blocks of side plates are all symmetrical arranged.
3. drain damping device in guide shell according to claim 1, it is characterized in that: the upper end welding of described two pieces of arcs, the lower end of described two pieces of arcs is respectively welded in described guide shell inner shell, the relative two side ends of described two pieces of arcs respectively with corresponding plate-side plate welding.
4. drain damping device in guide shell according to claim 3, is characterized in that: the upper end weld of described two pieces of arcs is tip-angled shape, and the lower end weld of described two pieces of arcs is in smooth shape.
5. drain damping device in guide shell according to claim 1, is characterized in that: the arc radius of the arcwall face of described arc is less than the radius of described guide shell inner shell.
6. drain damping device in guide shell according to claim 2, is characterized in that: described arc is rectangular slab, and the length of described arc is more than the interior electrical path length of described shell side import.
7. drain damping device in guide shell according to claim 6, is characterized in that: the big 100 ~ 150mm of interior electrical path length of shell side import described in the length ratio of described arc.
8. drain damping device in guide shell according to claim 1, is characterized in that: described arc and side plate are steel plate compacting and form.
9. guide shell, including guide shell inner shell and guide shell shell, described guide shell shell is provided with shell side import, it is characterized in that: be additionally provided with the drain damping device described in claim 1 to 8 any one in described guide shell.
10. shell-and-tube heat exchanger, including housing, the inlet and outlet near described housing is provided with guide shell, it is characterized in that: the guide shell being positioned at the import department of described housing is provided with the drain damping device described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159504.7A CN105651100B (en) | 2016-03-21 | 2016-03-21 | Drainage damping device, guide shell and shell-and-tube heat exchanger in guide shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159504.7A CN105651100B (en) | 2016-03-21 | 2016-03-21 | Drainage damping device, guide shell and shell-and-tube heat exchanger in guide shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105651100A true CN105651100A (en) | 2016-06-08 |
| CN105651100B CN105651100B (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159504.7A Active CN105651100B (en) | 2016-03-21 | 2016-03-21 | Drainage damping device, guide shell and shell-and-tube heat exchanger in guide shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105651100B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300875Y (en) * | 1996-11-26 | 1998-12-16 | 四平市九圆热交换设备制造有限公司 | Spiral tube ion beam flow-refrection rod heat-exchanger |
| CN2449178Y (en) * | 2000-09-01 | 2001-09-19 | 束润涛 | Flow guiding buffer board for heat-exchanger |
| CN2491802Y (en) * | 2001-07-17 | 2002-05-15 | 束润涛 | Buffering heat exchanger preventing fluid flushing |
| JP2009097839A (en) * | 2007-10-19 | 2009-05-07 | T Rad Co Ltd | Heat exchanger |
| CN205505835U (en) * | 2016-03-21 | 2016-08-24 | 茂名市茂港电力设备厂有限公司 | Draft tube internal drainage fairing, draft tube and shell and tube type heat exchanger |
-
2016
- 2016-03-21 CN CN201610159504.7A patent/CN105651100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300875Y (en) * | 1996-11-26 | 1998-12-16 | 四平市九圆热交换设备制造有限公司 | Spiral tube ion beam flow-refrection rod heat-exchanger |
| CN2449178Y (en) * | 2000-09-01 | 2001-09-19 | 束润涛 | Flow guiding buffer board for heat-exchanger |
| CN2491802Y (en) * | 2001-07-17 | 2002-05-15 | 束润涛 | Buffering heat exchanger preventing fluid flushing |
| JP2009097839A (en) * | 2007-10-19 | 2009-05-07 | T Rad Co Ltd | Heat exchanger |
| CN205505835U (en) * | 2016-03-21 | 2016-08-24 | 茂名市茂港电力设备厂有限公司 | Draft tube internal drainage fairing, draft tube and shell and tube type heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105651100B (en) | 2017-11-07 |
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