CN104776748A - Diaphragm washer for tube type heat exchanger tube box - Google Patents
Diaphragm washer for tube type heat exchanger tube box Download PDFInfo
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- CN104776748A CN104776748A CN201510143420.XA CN201510143420A CN104776748A CN 104776748 A CN104776748 A CN 104776748A CN 201510143420 A CN201510143420 A CN 201510143420A CN 104776748 A CN104776748 A CN 104776748A
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Abstract
The invention relates to a diaphragm washer for a tube type heat exchanger tube box. A positioning adjustor is fixedly connected with the middle of one side, which faces an end cover, of an elastic diaphragm arranged at the middle, and the positioning adjustor runs through the end cover and can push or extend to apply predeformation and prestress on the elastic diaphragm. The diaphragm washer has high elastic deformability, and when the internal pressure of a tube box fluctuates and thermal expansion takes place, the diaphragm washer can slightly deform without affecting the sealing effect; moreover, the diaphragm washer also can produce needed predeformation and prestress by means of the positioning adjustor, and thereby is more suitable for dynamic conditions, in addition, the diaphragm washer and the end cover also can be assembled together in advance by the positioning adjustor before being assembled to the end of the tube box, consequently, the problem that mounting is difficult when a large-diameter diaphragm is heavy is solved, and moreover, the positioning adjustor also can help the diaphragm to be aligned with the end of the tube box; besides, the diaphragm washer also has the advantages of simple structure, easiness in assembly, reliable sealing property, low cost, convenience in replacement and maintenance, wide practicability in practical production operation and the like.
Description
Technical field
The application relates to the Sealing Technology of the tube header of tube-type heat exchanger in New Equipment Engineering, particularly relates to a kind of tube header of tube-type heat exchanger barrier film pad of the heat-exchange energy-saving device-specific for petroleum refining and chemical industry, Coal Chemical Industry, chemical fertilizer industry, air-conditioning, air cooling, electric power facility.
Background technology
In prior art, tubular heat exchanger is a kind of heat exchanger be most widely used, be widely used in the convection heat transfer' heat-transfer by convection of " liquid---liquid " in the fields such as chemical industry, oil, medicine, food, light industry, metallurgy, coking, " vapour---vapour ", " vapour---liquid " heat exchange, and the heat exchange condensation flow process such as steam-condensation and liquid evaporation heat transfer.
The open-ended diaphragm sealing structure of tube header of tube-type heat exchanger of the prior art, as shown in Figure 1, normally be made up of main members such as tube bank 2, shell 3, bobbin carriages 4, wherein, tube bank 2 is core components of tubular heat exchanger, and tube bank 2 is made up of heat exchanger tube, support plate (or deflection plate) and tube sheet 5 usually, heat exchanger tube in a row is by support plate (or deflection plate) supporting, its two ends are pierced in the pore of tube sheet 5, and are connected with tube sheet 5, thus ensure sealing and the intensity of joint.By restraining the combination of the dividing plate of 2 and bobbin carriage 4, heat exchanger tube can be divided into several flow process, so that medium flows back and forth in heat exchanger tube, thus can heat exchange process be extended, increase heat-exchange time, fully with the shell side media for heat exchange outside pipe.Above-mentioned tube sheet 5 and shell 3 and bobbin carriage 4 etc. are by weld or the forced seal of flange bolt shimming is fixed assembling and namely obtained a tubular heat exchanger.
When the heat exchange medium in heat exchange tube is cold medium, when the heat exchange medium outside pipe is the flue gas of forced convertion, then form heating furnace mode; When the heat exchange medium in heat exchange tube is thermal medium, when the heat exchange medium outside pipe is the air of forced convertion, then form cooler mode; Heating furnace mode and cooler mode are a kind of heat exchange method of heat exchanger.The manufacturing process of this tubular heat exchanger is comparatively ripe, and security performance is also higher, is energy consumption equipment crucial in heat transmission equipment.
Above-mentioned tubular heat exchanger of the prior art, when being applied to bad working environments, in order to avoid the leakage of flow process material, even if its adapter 10 bore imported and exported is very little, is usually designed to the mode of the direct butt welding with pipeline, and does not adopt the mode of Flange joint; Equally, in order to avoid the leakage of flow process material, bigbore tube sheet 5 welds with the shell 3 of its both sides and the cylinder of bobbin carriage 4, make like this, the end 9 of bobbin carriage 4 just can not and the end cap 7 of bobbin carriage 4 between also adopt equal strength weld seam to weld mode, mainly consider and facilitate maintainer can enter to carry out the first-class repair work of detector tube from the end 9 of bobbin carriage 4.
Thereupon, people are devoted to the research of the better hermetically-sealed construction between the end 9 of bobbin carriage 4 and the end cap 7 of bobbin carriage 4 except non-disconnectable strength solder joints is connected always.Wherein sphere film sealing 6 is up-to-date a kind of resulting structures.Along with going deep into of practical application, it is found that this structure itself also exists following disadvantageous problem:
The first, structure is special, and spherical curved face processing required precision is high.
The second, need high-caliber argon arc welding, and be the obstacle weldering after fastening stud 8, the end 9 of bobbin carriage 4 and the end cap 7 of bobbin carriage 4 can not be damaged.
3rd, installation accuracy is high.
4th, dismounting inconvenience, need to remove seal-weld, side ring belongs to consumable accessory, difficult in maintenance.
To sum up, complicated or huge heat exchanger assembly and disassembly trouble, inconvenient maintenance.Particularly between device overhaul time, can shorten a repair time can produce significant economic benefit.Along with the enhancing of environmental protection consciousness, the lifting of oil quality needs to take the hydrogenation technique under high pressure at higher temperature, and the molecule of hydrogen is minimum, be the inflammable and explosive medium that permeability is very strong, and original hermetically-sealed construction is difficult to adapt to new process and management requirement.
Again thereupon, the applicant have developed a kind of tube header of tube-type heat exchanger sealing gasket, by the improvement to sealing side ring, further employing has convex and/or recessed matsurface as the clamping area of the end of sealing side ring and bobbin carriage or the clamping area of end cap sealing side ring and bobbin carriage, breach this area conventional thought pattern, add contact action power, to intercept the leakage of the clamping area between edge sealing side ring and the end of bobbin carriage and interior pressure impulsive force from multi-turn circumferencial direction, under the obstruct of the convex and/or recessed matsurface of multi-turn, leakage effects power is made to be reduced to zero, with the sealing property of the end cap of the end and bobbin carriage that finally improve bobbin carriage, simultaneously, say from radial direction, also increase the frictional force between sealing side ring and the end of bobbin carriage and the end cap of bobbin carriage, make under HTHP effect, can carry out deformation-compensated by means of only sphere flexible sheet, prevent the radial displacement of plain cushion side ring, to reduce the risk of leaking, but above-mentioned sealing gasket cannot produce from producing the predeformation and prestressing force that need, can not better adapt to dynamic operation condition.
To sum up, applicant continues again to improve in conjunction with traditional tubular heat exchanger sealing Problems existing, researches and develops a kind of tube header of tube-type heat exchanger barrier film pad of improvement, has very far-reaching and great meaning in field of engineering technology.
Summary of the invention
The object of the application is avoid weak point of the prior art and provide a kind of stronger elastic deformability that has, by regulating the predeformation and prestressing force that produce and need, be more suitable for dynamic operation condition, and the problem of installation difficulty when can solve major diameter barrier film heavier-weight, also help barrier film centering bobbin carriage end simultaneously, have that structure is simple, easily assembled, sealing property reliable tube header of tube-type heat exchanger barrier film pad.
The object of the application is achieved through the following technical solutions:
providea kind of tube header of tube-type heat exchanger barrier film pad, is arranged between the end of bobbin carriage and the end cap of bobbin carriage, and this barrier film pad comprises the sealing side ring be located at middle elastic diaphragm and arranged along the outer circumferential side of described elastic diaphragm, wherein,
Described elastic diaphragm is fixedly connected with location adjusting device towards the middle part of the side of described end cap, described location adjusting device wear described end cap and can jacking or stretch to be applied to described elastic diaphragm predeformation and prestressing force.
Wherein, described location adjusting device comprises backstay and adjusting nut, and described backstay wears described end cap and passes through the effect jacking of the adjusting nut coordinated or stretch to be applied to described elastic diaphragm predeformation and prestressing force.
Wherein, described elastic diaphragm is single thin layer wall construction, or the combination thin-wall construction of two-layer above superposition.
Wherein, described elastic diaphragm is planar separator sheet or convex surface diaphragm, and described convex surface diaphragm comprises conical surface diaphragm and sphere diaphragm.
Wherein, described elastic diaphragm is the outer surface with fold-line-shaped towards the outer surface of the side of described end cap and/or described elastic diaphragm towards the outer surface of the side of described end.
Wherein, the outer surface of described fold-line-shaped comprises any one outer surface in the linear outer surface of corrugated outer surface, the outer surface of ripple profile of tooth, the outer surface of terraced profile of tooth and continuous helical.
Wherein, described elastic diaphragm is became uneven and the thin-wall construction of the spaced setting in thickness region or smooth gradual change setting.
Wherein, described thin-wall construction is the thin-wall construction that thin-wall construction that thick middle periphery is thin or intermediate thin periphery are thick.
Wherein, angled transition between the thickness region of described thin-wall construction.
Wherein, described elastic diaphragm subregion is arranged.
The beneficial effect of the application:
A kind of tube header of tube-type heat exchanger barrier film pad in the application, be arranged at middle elastic diaphragm and be fixedly connected with location adjusting device towards the middle part of the side of end cap, this location adjusting device wears end cap and can jacking or stretch to be applied to elastic diaphragm predeformation and prestressing force.This barrier film spacer has stronger elastic deformability, when the raw fluctuation of Hair Fixer in bobbin carriage and thermal expansion, can produce micro-deformation and not affect sealing effectiveness; This barrier film is paid somebody's debt and expected repayment later and can be produced by location adjusting device the predeformation and prestressing force that need simultaneously, be more suitable for dynamic operation condition, in addition, together with also in advance barrier film pad being assembled into end cap by location adjusting device, assemble with the end of bobbin carriage again, the problem of installation difficulty when can solve major diameter barrier film heavier-weight like this, but also be conducive to barrier film centering bobbin carriage end; In addition, also have that structure is simple, easily assembled, sealing property is reliable, cost is low, be convenient to change and maintenance, there is the feature of wide practicality etc. in actual production operation.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but the embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of tube header of tube-type heat exchanger barrier film pad sealing in prior art.
Fig. 2 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 3 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 4 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 5 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 6 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 7 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Fig. 8 is the partial structurtes schematic diagram of a kind of embodiment of a kind of tube header of tube-type heat exchanger barrier film pad of the application.
Include in Fig. 1 to Fig. 8:
1---clamp nut, 2---tube bank, 3---shell, 4---bobbin carriage, 5---tube sheet, 6---barrier film pad, 7---end cap, 8---fastening stud, 9---end, 10---adapter,
61---sealing side ring, 62---elastic diaphragm,
100---location adjusting device, 101---adjusting nut, 102---backstay, 103---angle welding,
200---bobbin carriage pass partition,
T, t1, t2---membrane thicknesses.
Detailed description of the invention
With the following Examples the application is described in further detail.It should be noted that: in Fig. 3 to Fig. 8, omit the structural representation that location adjusting device 100 is the simple and easy technique of painting.
embodiment 1.
One of detailed description of the invention of a kind of tube header of tube-type heat exchanger barrier film pad of the application, shown in figure 1, this barrier film pad 6 is arranged between the end 9 of bobbin carriage 4 and the end cap 7 of bobbin carriage 4, this barrier film pad 6 comprises the sealing side ring 61 be located at middle elastic diaphragm 62 and arranged along the outer circumferential side of described elastic diaphragm 62, above-mentioned technical characteristic is same as the prior art, the improvements of the application are: shown in figure 2, described elastic diaphragm 62 is fixedly connected with location adjusting device 100 towards the middle part of the side of described end cap 7, described location adjusting device 100 wear described end cap 7 and by jacking or stretch to be applied to described elastic diaphragm 62 1 predeformation and prestressing force.For offsetting reversal deformation and the reversal of stress of actual condition when heat exchanger runs, play the effect alleviating structure, extend bobbin carriage 4 life-span.
This barrier film pad 6 has stronger elastic deformability, when the raw fluctuation of Hair Fixer in bobbin carriage 4 and thermal expansion, can produce micro-deformation and not affect sealing effectiveness; This barrier film pad 6 can also produce by location adjusting device 100 predeformation and prestressing force that need simultaneously, for offsetting reversal deformation and the reversal of stress of actual condition when heat exchanger runs, play the effect alleviating structure, extend bobbin carriage 4 life-span, be more suitable for dynamic operation condition, in addition, together with also in advance barrier film pad 6 being assembled into end cap 7 by location adjusting device 100, assemble with the end 9 of bobbin carriage 4 again, the problem of installation difficulty when can solve major diameter barrier film heavier-weight like this, but also be conducive to barrier film centering bobbin carriage 4 end 9; In addition, also have that structure is simple, easily assembled, sealing property is reliable, cost is low, be convenient to change and maintenance, there is the feature of wide practicality etc. in actual production operation.
The structure of the barrier film pad 6 of the application can be applicable to the structures such as slip-on welding flange, W.N flange, welding neck flange, full face flange, narrow face flange, inverse flange and cylindrical ends 9, conical end 9, flange, heat exchanger bobbin carriage, heat exchanger tube sheet, blank cap.
embodiment 2.
The detailed description of the invention two of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.Shown in figure 2, the difference of the present embodiment and embodiment 1 is, described location adjusting device 100 comprises backstay 102 and adjusting nut 101, described backstay 102 wears described end cap 7 and passes through the effect jacking of the adjusting nut 101 coordinated or stretch to be applied to described elastic diaphragm 62 1 predeformation and prestressing force, for offsetting reversal deformation and the reversal of stress of actual condition when heat exchanger runs, play the effect alleviating structure, extend bobbin carriage 4 life-span.Be applicable to large diameter barrier film pad 6 and import and export the obvious bobbin carriage 4 of operating mode difference, because major diameter barrier film pad 6 easily local inhomogeneous deformation occurs, lose the harmony of integral, flexible distortion, shorten the life-span of barrier film pad 6, and after adopting the structure of the application, the inhomogeneous deformation of local is less likely to occur major diameter barrier film pad 6, and the harmony of simultaneously overall elastic deformation is better, also extends the service life of barrier film pad 6.
One section that described backstay 102 stretches out the outer surface of the end cap 7 shown in thick dashed line is processed with external screw thread, by the work of adjusting nut 101 that is mated in order to realize jacking or the stretching of backstay 102, this backstay 102 is fixedly connected with by angle welding 103 with elastic diaphragm 62, also can be connected by the connected mode of bolt, together with can realizing in advance barrier film pad 6 being assembled into end cap 7, assemble with the end 9 of bobbin carriage 4 again, the problem of difficulty is installed when can solve major diameter barrier film heavier-weight like this, and is conducive to barrier film pad 6 centering bobbin carriage 4 end 9.Above-mentioned location adjusting device 100 can also adopt except the structure of backstay 102 and adjusting nut 101, jacking or tensile membrane pad 6 can be realized to be applied to other equivalent structures of elastic diaphragm 62 1 predeformation and prestressing force function.
Separately, columniform backstay 102 is connected to the concave surface center of the elastic diaphragm 62 in the middle of barrier film pad 6, for big uncork diameter bobbin carriage 4, backstay 102 just defines major diameter barrier film pad 6 through the small sircle hole in the middle of end cap 7 overall axial displacement can only provide balanced radial deformation, avoid the problem of local inhomogeneous deformation, structure is simple, and applicability is good.
embodiment 3.
The detailed description of the invention three of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1 or embodiment 2, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, described elastic diaphragm 62 is single thin layer wall construction, or the combination thin-wall construction of two-layer above superposition.Elastic diaphragm 62 can be the combining structure of individual layer, bilayer or multilayer.Adopt layering to arrange and can improve the flexibility of barrier film pad 6, more highlight the characteristic of barrier film, in addition, also can rely on when one deck perforation cracking other which floor to complete sealing, security reliability is higher.The thin-wall construction of individual layer can one-body moldedly realize, and the end 9 of two-layer above each layer of combining structure is connected with can adopt to be welded and fixed between sealing side ring 61.Material in two-layer above barrier film can form for foreign material, this can meet that inner layer contacts medium plays antisepsis, skeleton supporting function is played in intermediate layer, outerly play the different requirement such as thermal insulation function, but will have basic compatibility each other, multilayer arranges the feature having better flexible Application and maximize the performance playing material itself.
Shown in Figure 3, this elastic diaphragm 62 is formed by three layers, manufacture method is produce blank materials on flat board after, stackedly to be fixed together three, compressing together, because the spherical radius of three layers of every one deck of sphere barrier film is unequal, if separately after compacting, unavoidable dimensional discrepancy stacked together causes interlayer spacings again, affect structure function, therefore, mode compressing together after adopting first superposition.
embodiment 4.
The detailed description of the invention four of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1 or embodiment 2, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, shown in Fig. 4, Fig. 5, described elastic diaphragm 62 is planar separator sheet, or see shown in Fig. 2, Fig. 3, Fig. 7 and Fig. 8, described elastic diaphragm 62 is convex surface diaphragm, and described convex surface diaphragm comprises conical surface diaphragm and sphere diaphragm.The surperficial bus of convex surface diaphragm is longer than the surperficial bus of planar separator sheet, the compatible deformation amount that when both difference is just available to bobbin carriage 4 radial displacement, barrier film stretches.Preferred sphere diaphragm, its radial deformation compensation rate is consistent with the port radial opening displacement of bobbin carriage 4.
embodiment 5.
The detailed description of the invention five of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1 or embodiment 2, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.Shown in Fig. 4, Fig. 5, the difference of the present embodiment and embodiment 1 is, described elastic diaphragm 62 is the outer surface with fold-line-shaped towards the outer surface of the side of described end cap 7 and/or described elastic diaphragm 62 towards the outer surface of the side of described end 9.Its technical scheme comprises: the first, and described elastic diaphragm 62 has the outer surface of fold-line-shaped towards the outer surface of the side of described end cap 7, and described elastic diaphragm 62 is the thin-wall construction of smooth flat towards the outer surface of the side of described end 9; The second, described elastic diaphragm 62 is the thin-wall construction of smooth flat towards the outer surface of the side of described end cap 7, and described elastic diaphragm 62 is the outer surface with fold-line-shaped towards the outer surface of the side of described end 9; 3rd, described elastic diaphragm 62 is towards the outer surface of the side of described end cap 7, and described elastic diaphragm 62 is the outer surface with fold-line-shaped towards the outer surface of the side of described end 9.The outer surface with fold-line-shaped can improve the flexibility of barrier film, can improve barrier film compatible deformation amount when bobbin carriage 4 is subjected to displacement simultaneously.
Concrete, the outer surface of described fold-line-shaped comprises any one outer surface in the linear outer surface of corrugated outer surface, the outer surface of ripple profile of tooth, the outer surface of terraced profile of tooth and continuous helical.The outer surface of above-mentioned fold-line-shaped is all a-circle-by-a-circle concentric structures, but each circle self waveform radius corrugated, or the ripple profile of tooth radius of each circle ripple profile of tooth self, or the terraced profile of tooth radius of each circle terraced profile of tooth self can identical setting also can not identical setting.
embodiment 6.
The detailed description of the invention six of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1 or embodiment 2, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.Shown in figure 6 and Fig. 7, the difference of the present embodiment and embodiment 1 is, described elastic diaphragm 62 is became uneven and the thin-wall construction of the spaced setting in thickness region or smooth gradual change setting.
Concrete, described thin-wall construction is the thin-wall construction that thick middle periphery is thin, or described thin-wall construction is the thin-wall construction that intermediate thin periphery is thick.
Above-mentioned thickness region can be the manufacture of natural smooth gradual transition structure, first can first process thickness district on plate blank, compressing again, due to steel plate compressing in there is resilience, need through pressure testing summing up experience formed optimised process to realize final finished.
Can be angled transition as shown in Figure 6, spaced transition between above-mentioned thickness region.This kind of structure gradable formation elastic recoil power, for resilience, two-stage is strengthened.
embodiment 7.
The detailed description of the invention seven of a kind of tube header of tube-type heat exchanger barrier film pad of the application, the main technical schemes of the present embodiment is identical with embodiment 1 or embodiment 2, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.Shown in figure 8, the difference of the present embodiment and embodiment 1 is, described elastic diaphragm 62 subregion is arranged.Elastic diaphragm 62 in the middle of barrier film pad 6 is that subregion is arranged, mainly be applicable to the needs of the interior sealing between bobbin carriage pass partition 200 and end cap 7, under normal circumstances, spatial joint clearance is left between bobbin carriage pass partition 200 and end cap 7, for installing barrier film pad 6, but for major diameter bobbin carriage 4, in barrier film pad 6 centre that one piece of periphery is complete, corresponding each dividing plate tube side separately several region makes convex surface diaphragm, and each boundary line of distinguishing is exactly can compress between bobbin carriage pass partition 200 and end cap 7 to carry out interior sealing and the position that do not need spacing.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
Claims (10)
1. a tube header of tube-type heat exchanger barrier film pad, is arranged between the end of bobbin carriage and the end cap of bobbin carriage, and this barrier film pad comprises the sealing side ring be located at middle elastic diaphragm and arranged along the outer circumferential side of described elastic diaphragm, it is characterized in that:
Described elastic diaphragm is fixedly connected with location adjusting device towards the middle part of the side of described end cap, described location adjusting device wear described end cap and can jacking or stretch to be applied to described elastic diaphragm predeformation and prestressing force.
2. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1, it is characterized in that: described location adjusting device comprises backstay and adjusting nut, described backstay wears described end cap and passes through the effect jacking of the adjusting nut coordinated or stretch to be applied to described elastic diaphragm predeformation and prestressing force.
3. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1 and 2, is characterized in that: described elastic diaphragm is single thin layer wall construction, or the combination thin-wall construction of two-layer above superposition.
4. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1 and 2, is characterized in that: described elastic diaphragm is planar separator sheet or convex surface diaphragm, and described convex surface diaphragm comprises conical surface diaphragm and sphere diaphragm.
5. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1 and 2, is characterized in that: described elastic diaphragm is the outer surface with fold-line-shaped towards the outer surface of the side of described end cap and/or described elastic diaphragm towards the outer surface of the side of described end.
6. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 5, is characterized in that: the outer surface of described fold-line-shaped comprises any one outer surface in the linear outer surface of corrugated outer surface, the outer surface of ripple profile of tooth, the outer surface of terraced profile of tooth and continuous helical.
7. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1 and 2, is characterized in that: described elastic diaphragm is became uneven and the thin-wall construction of the spaced setting in thickness region or smooth gradual change setting.
8. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 7, is characterized in that: described thin-wall construction is the thin-wall construction that thin-wall construction that thick middle periphery is thin or intermediate thin periphery are thick.
9. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 7, is characterized in that: angled transition between the thickness region of described thin-wall construction.
10. a kind of tube header of tube-type heat exchanger barrier film pad according to claim 1 and 2, is characterized in that: described elastic diaphragm subregion is arranged.
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| CN201510143420.XA CN104776748B (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger barrier film pad |
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| CN201510143420.XA CN104776748B (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger barrier film pad |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108489321A (en) * | 2018-03-23 | 2018-09-04 | 宁波甬派恩机电科技有限公司 | A kind of end seal structure of car condenser header |
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| CN104776748B (en) | 2017-06-06 |
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