CN205505807U - Improved generation baffling rod -type sea water - industry water heat exchanger - Google Patents
Improved generation baffling rod -type sea water - industry water heat exchanger Download PDFInfo
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- CN205505807U CN205505807U CN201620214990.3U CN201620214990U CN205505807U CN 205505807 U CN205505807 U CN 205505807U CN 201620214990 U CN201620214990 U CN 201620214990U CN 205505807 U CN205505807 U CN 205505807U
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Abstract
The utility model relates to a sea water industry water heat exchanger technical field, concretely relates to improved generation baffling rod -type sea water industry water heat exchanger, its structure includes the tube, tube import and tube export and heat exchange tube, axial interval along the tube is equipped with a plurality of deflecting fences, the deflecting fence includes a plurality of baffling pole and baffling circle, the both ends and the welding of baffling circle of baffling pole, the deflecting fence still includes a plurality of vertical deep floor, a plurality of vertical deep floor perpendicular to baffling poles just set up along the axial interval distribution of tube, vertical deep floor has seted up a plurality of through -hole, and the through -hole is worn to locate by the baffling pole, and vertical deep floor welds in the baffling circle. Compared with the prior art, the utility model discloses having avoided the baffling pole and having leaded to warping because of the welding, its installation is more simple and convenient, has moreover that compact structure, resistance to shock are good, long service life's advantage.
Description
Technical field
This utility model relates to sea water-industry water technical field of heat exchangers, is specifically related to modified model deflection bar type sea water-industry water 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, and in heat transmission equipment, what usage amount was maximum is 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.Wherein, sea water-industry water heat exchanger is the key equipment in thermal power plant, and sea water-industry water refers to utilize sea water to cool down industry water.
Traditional shell-and-tube heat exchanger uses smooth pipe and single arcuate baffle plate support structure, fluid is perpendicular to manage axial horizontal mobility at shell side, 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 in the case of high reynolds number, often occur Flow-induced vibration to cause heat exchanger failure.In order to make up drawbacks described above, the most develop the Novel tube bundles such as rod baffle to support, after fluid is by entering heat exchanger shell, fluid will be along tube bank flowing, often just producing a flow-disturbing through a deflecting fence, again produce flow-disturbing at next deflecting fence, the most repeatedly disturbance is thinned laminar boundary layer, enhancing heat transfer, dirt is also difficult to deposition because of the self-cleaning action of flow-disturbing simultaneously.
The rod baffle heat exchanger of prior art includes shell, tube sheet, heat exchanger tube mostly, heat exchanger shell pass is imported and exported section and is set up guide shell, direction the most perpendicular with shell in shell is interval with multiple deflecting fence, deflecting fence includes several rod baffle being parallel to each other, heat-exchanging tube bundle passes in rod baffle, and rod baffle is welded and fixed with baffling circle, reinforcement gusset respectively.But, said structure has the disadvantage that when making deflecting fence, owing to rod baffle uses spot welding with baffling circle, three contact positions of reinforcement gusset, rod baffle is divided into two equal portions, and structure is the compactest, and resistance to shock is poor, and welding processing is complicated, easily causing rod baffle welding deformation, installation accuracy is poor, and service life is short；On the other hand, existing guide shell is unreasonable due to structure design, guide shell barrier fluid so that forming the stagnant area of fluid in guide shell, fluid resistance is bigger.
Utility model content
There is above-mentioned technical problem for prior art, this utility model purpose be to provide a kind of compact conformation, simple installation and be unlikely to deform, resistance to shock is good, the heat exchanger of length in service life.
For achieving the above object, this utility model offer techniques below scheme:
Modified model deflection bar type sea water-industry water heat exchanger is provided, including shell, shell import and shell export and heat exchanger tube, it is respectively arranged with guide shell near described shell import and shell exit, described guide shell includes guide shell inner shell and guide shell shell, axially spaced-apart along described shell is provided with multiple deflecting fence, described deflecting fence includes several rod baffle and baffling circle, the two ends of described rod baffle all connect with described baffling lap welding, described deflecting fence also includes multiple longitudinally reinforced gusset, the plurality of longitudinally reinforced gusset is all vertically arranged with described rod baffle, the plurality of longitudinally reinforced gusset is distributed setting along the axially spaced-apart of described shell；Described longitudinally reinforced gusset offers several through holes, and described rod baffle wears described through hole, and described longitudinally reinforced gusset is welded in described baffling circle.
Wherein, described longitudinally reinforced gusset is provided with three, and is axially isodistantly spaced setting spaced apart along described shell.
Wherein, described deflecting fence also includes that cross reinforcing plate, the plurality of longitudinally reinforced gusset are all welded and fixed with described cross reinforcing plate, and the two ends of described cross reinforcing plate all connect with described baffling lap welding.
Wherein, described baffling circle is flat-shaped steel ring.
Wherein, several through holes described are arranged in row's distribution.
Wherein, the guide shell being positioned at described shell import department is provided with drain damping device, 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 welded to each other, 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；The arcwall face of described two pieces of arcs the most inwards bends.
Wherein, described two pieces of arcs and two blocks of side plates are all symmetrical arranged.
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 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 guide shell shell is provided with shell side import, and described arc is rectangular slab, and the length of described arc is than the big 100 ~ 150mm of interior electrical path length of described shell side import.
The beneficial effects of the utility model:
Modified model deflection bar type sea water-industry water heat exchanger of the present utility model, including the outlet of shell, shell import and shell and heat exchanger tube, it is respectively arranged with guide shell near shell import and shell exit, axially spaced-apart along shell is provided with multiple deflecting fence, deflecting fence includes several rod baffle and baffling circle, the two ends of rod baffle connect with baffling lap welding, and deflecting fence also includes that multiple longitudinally reinforced gusset, multiple longitudinally reinforced gussets are perpendicular to rod baffle and the axially spaced-apart along shell is distributed and arranges；Longitudinally reinforced gusset offers several through holes, and rod baffle is arranged in through hole, and longitudinally reinforced gusset is welded in baffling circle.Compared with prior art, this utility model has the advantage that
(1) deflecting fence of the present utility model is additionally arranged multiple longitudinally reinforced gusset with through hole, when making deflecting fence, the through hole that rod baffle is each passed through longitudinally reinforced gusset is fixed and without carrying out spot welding, thus avoid traditional rod baffle and cause the generation of deformation because of welding, improve installation accuracy, and install easier；
(2), compared with dividing two deciles with traditional rod baffle, rod baffle of the present utility model is divided at least more than trisection by the multiple longitudinally reinforced gusset newly increased so that it is structure is compacter, thus improves the resistance to shock of equipment, extends service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the deflecting fence of modified model deflection bar type sea water-industry water heat exchanger of the present utility model.
Fig. 2 is the structural representation of the guide shell of modified model deflection bar type sea water-industry water heat exchanger of the present utility model.
Fig. 3 is the structural representation of the drain damping device of modified model deflection bar type sea water-industry water heat exchanger of the present utility model.
Fig. 4 is the structural representation of another angle of the drain damping device of modified model deflection bar type sea water-industry water heat exchanger of the present utility model.
Fig. 5 is the structural representation of modified model deflection bar type sea water-industry water heat exchanger of the present utility model.
Reference:
Shell 1, shell import 11, shell 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；
Deflecting fence 5, rod baffle 51, baffling circle 52, longitudinally reinforced gusset 53, cross reinforcing plate 54.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, this utility model is described in detail.
The modified model deflection bar type sea water-industry water heat exchanger of the present embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 5, including shell 1, shell import 11 and shell outlet 12 and heat exchanger tube 4, export at 12, be respectively arranged with guide shell near shell import 11 and shell, guide shell 2 includes guide shell inner shell 21 and guide shell shell 22, and the axially spaced-apart along shell 1 is provided with multiple deflecting fence 5.As shown in Figure 1, deflecting fence 5 includes several rod baffle 51 and baffling circle 52, the two ends of rod baffle 51 are welded with baffling circle 52, deflecting fence 5 also includes multiple longitudinally reinforced gusset 53, multiple longitudinally reinforced gussets 53 are all vertically arranged with rod baffle 51, and multiple longitudinally reinforced gussets 53 are distributed setting along the axially spaced-apart of shell 1；Longitudinally reinforced gusset 53 offers several through holes, and rod baffle 51 is arranged in through hole, and longitudinally reinforced gusset 53 is welded in baffling circle 52.When making deflecting fence 5, the through hole that rod baffle 51 is each passed through longitudinally reinforced gusset 53 is fixed and without carrying out spot welding, thus avoids traditional rod baffle 51 and cause the generation of deformation because of welding, improves installation accuracy, and installs easier.
Concrete, longitudinally reinforced gusset 53 is provided with three, and spaced apart arranges (see figure 1) along being axially isodistantly spaced of shell.Rod baffle 51 is divided into the quartering by three longitudinally reinforced gussets 53, compares traditional rod baffle 51 so that it is structure is compacter, thus improves the resistance to shock of equipment, extends service life.
Concrete, deflecting fence 5 also includes that cross reinforcing plate 54, multiple longitudinally reinforced gussets 53 are all welded and fixed with cross reinforcing plate 54, and the two ends of cross reinforcing plate 54 are all welded with baffling circle 52.Rod baffle 51 can be reinforced by cross reinforcing plate 54 further that set up, is conducive to improving resistance to shock.
Concrete, baffling circle 52 is flat-shaped steel ring.
Concrete, several through holes are arranged in row's distribution.
In the present embodiment, as shown in Figures 2 to 4, being positioned at the guide shell at shell import 11 and be provided with drain damping device 3, 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 of two pieces of arcs 31 is welded to each other, 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 the most inwards bend (see Fig. 1, inner side refer to two pieces of arcs 31 towards each relative to 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 is born, reduce the impact of fluid exchange heat pipe 4；On the other hand, this utility model 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 uses this radian to design, it is possible to is substantially reduced fluid and is far smaller than the flow resistance of other shapes such as conical plate, L-square through out-of-date flow resistance, its flow resistance.
In the present embodiment, guide shell shell 22 is provided with shell side import 23, 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 length of arc 31 is than the big 100 ~ 150mm of interior electrical path length of shell side import 23, so that the fluid entered by shell side import 23 can be rapidly along the arcwall face dispersion formation rule fluid of two pieces of arcs 31, make fluid distrbution more uniform, play steady flow condition, the effect of reduction fluid flow resistance.
Concrete, the thickness of arc 31 and side plate 32 determines 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.
Drain damping device 3 of the present utility model has the advantage that structure design is simple, easily manufactured, the weight of the drain damping device 3 owing to being increased 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, cost is relatively low, the most not affects the improvement cost of equipment.Therefore, drain damping device 3 of the present utility model 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 the technical solution of the utility model; rather than the restriction to this utility model protection domain; although having made to explain to this utility model with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. modified model deflection bar type sea water-industry water heat exchanger, including shell, shell import and shell export and heat exchanger tube, it is respectively arranged with guide shell near described shell import and shell exit, described guide shell includes guide shell inner shell and guide shell shell, axially spaced-apart along described shell is provided with multiple deflecting fence, described deflecting fence includes several rod baffle and baffling circle, the two ends of described rod baffle all connect with described baffling lap welding, it is characterized in that: described deflecting fence also includes multiple longitudinally reinforced gusset, the plurality of longitudinally reinforced gusset is all vertically arranged with described rod baffle, the plurality of longitudinally reinforced gusset is distributed setting along the axially spaced-apart of described shell；Described longitudinally reinforced gusset offers several through holes, and described rod baffle wears described through hole, and described longitudinally reinforced gusset is welded in described baffling circle.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 1, is characterized in that: described longitudinally reinforced gusset is provided with three, and is axially isodistantly spaced setting spaced apart along described shell.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 1, it is characterized in that: described deflecting fence also includes cross reinforcing plate, the plurality of longitudinally reinforced gusset is all welded and fixed with described cross reinforcing plate, and the two ends of described cross reinforcing plate all connect with described baffling lap welding.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 1, is characterized in that: described baffling circle is flat-shaped steel ring.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 1, is characterized in that: several through holes described are arranged in row's distribution.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 1, it is characterized in that: the guide shell being positioned at described shell import department is provided with drain damping device, 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 welded to each other, 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；The arcwall face of described two pieces of arcs the most inwards bends.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 6, is characterized in that: described two pieces of arcs and two blocks of side plates are all symmetrical arranged.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 6, 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 smooth shape.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 6, 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.
Modified model deflection bar type sea water-industry water heat exchanger the most according to claim 6, it is characterized in that: described guide shell shell is provided with shell side import, described arc is rectangular slab, and the length of described arc is than the big 100 ~ 150mm of interior electrical path length of described shell side import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214990.3U CN205505807U (en) | 2016-03-21 | 2016-03-21 | Improved generation baffling rod -type sea water - industry water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214990.3U CN205505807U (en) | 2016-03-21 | 2016-03-21 | Improved generation baffling rod -type sea water - industry water heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505807U true CN205505807U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620214990.3U Active CN205505807U (en) | 2016-03-21 | 2016-03-21 | Improved generation baffling rod -type sea water - industry water heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505807U (en) |
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2016
- 2016-03-21 CN CN201620214990.3U patent/CN205505807U/en active Active
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