CN104776749B - A kind of tube header of tube-type heat exchanger seals structure - Google Patents
A kind of tube header of tube-type heat exchanger seals structure Download PDFInfo
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- CN104776749B CN104776749B CN201510143476.5A CN201510143476A CN104776749B CN 104776749 B CN104776749 B CN 104776749B CN 201510143476 A CN201510143476 A CN 201510143476A CN 104776749 B CN104776749 B CN 104776749B
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- lip
- tube
- tube header
- header section
- pad
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- 210000000088 Lip Anatomy 0.000 claims abstract description 363
- 238000003466 welding Methods 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims description 51
- 230000000694 effects Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 230000035800 maturation Effects 0.000 abstract description 4
- 210000000188 Diaphragm Anatomy 0.000 description 61
- 239000000463 material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 230000004323 axial length Effects 0.000 description 6
- 238000005039 chemical industry Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 210000001503 Joints Anatomy 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000002421 Cell Wall Anatomy 0.000 description 1
- -1 air-conditioning Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002522 swelling Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
Abstract
A kind of tube header of tube-type heat exchanger of the application seals structure, and the end of tube header section is provided with the case lip of protrusion, and plain cushion side ring is provided with the pad lip of protrusion, and the end of tube header section is connected with diaphragm seal dish tightening seal by case lip and pad lip；Or, plain cushion side ring is provided with the pad lip of protrusion, and the end of tube header section is connected with plain cushion side ring tightening seal by pad lip；Or, the end of tube header section is provided with the case lip of protrusion, and the end of tube header section is connected with diaphragm seal dish tightening seal by case lip.Compared with prior art, the directly welding of original bobbin carriage end peace pad side ring is changed into the welding of the lip of case lip and/or pad lip, avoid the directly welding damage to bobbin carriage end peace pad side ring, and lip can repeated multiple times use, improve utilization rate, this bobbin carriage seals structure and integrates various structures advantage simultaneously, and its designing technique simplicity maturation, good seal performance, simple in construction, manufacturing cycle be short, low cost, can further improve the assembling quality of bobbin carriage.
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 seal structure for petroleum refining and chemical industry, Coal Chemical Industry, chemical fertilizer industry, air-conditioning, air cooling, a kind of tube header of tube-type heat exchanger of heat-exchange energy-saving device-specific of electric power facility.
Background technology
In prior art, tubular heat exchanger is a kind of heat exchanger being most widely used, it is widely used in " liquid liquid ", " vapour vapour ", the convection heat transfer' heat-transfer by convection of " vapour-liquid " heat exchange in the fields such as chemical industry, oil, medicine, food, light industry, metallurgy, coking, and the heat exchange condensation flow process such as steam condensation and liquid evaporation heat transfer.
The common structure of tubular heat exchanger of the prior art is as shown in Figure 1, it is usually and is made up of main members such as tube bank 2, shell 3, bobbin carriages 4, wherein, tube bank 2 is the core component of tubular heat exchanger, tube bank 2 is generally made up of heat exchanger tube 1, support plate (or deflection plate) and tube sheet, and rows of heat exchanger tube 1 is supported by support plate (or deflection plate), and its two ends are pierced in the pore of tube sheet, and be connected with tube sheet, thus ensure sealing and the intensity of joint.By the combination of tube bank 2 with the dividing plate of bobbin carriage 4, heat exchanger tube 1 can be divided into several flow process, in order to medium flows in heat exchanger tube 1 back and forth such that it is able to extend heat exchange process, increase heat-exchange time, fully with pipe outside shell side media for heat exchange.Above-mentioned tube sheet and shell 3 and bobbin carriage 4 etc. are by welding or the forced seal of flange bolt shimming is fixed assembling and i.e. obtained a tubular heat exchanger.
When the heat exchange medium in heat exchanger tube 1 pipe is cold medium, when the heat exchange medium outside pipe is the flue gas of forced convertion, then constitute heating furnace mode；When the heat exchange medium in heat exchanger tube 1 pipe is thermal medium, when the heat exchange medium outside pipe is the air of forced convertion, then constitute 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 the most ripe, and security performance is the highest, is energy consumption equipment crucial in heat transmission equipment.
Above-mentioned tubular heat exchanger of the prior art, in order to avoid the leakage of flow process material, even if it imports and exports adapter, bore is the least, is usually designed to the mode of butt welding direct with pipeline, and does not use the mode of Flange joint；Equally, leakage in order to avoid flow process material, bigbore tube sheet welds with shell and the bobbin carriage cylinder of its both sides, so make, the end of bobbin carriage cannot be also adopted by the mode that equal strength weld seam welds between end cap, be mainly in view of and facilitate maintainer can enter to carry out from the end of bobbin carriage to detect the repair work such as tube head.
Therewith, people are devoted to the research of the better seal structure between the end of bobbin carriage and the end cap of bobbin carriage in addition to non-disconnectable strength solder joints is connected always.
Although people have done long-term effort in the research of above-mentioned sealing structure, define such as: T-slot metal gasket flange sealing structure, the seal weld flange sealing structure of thin-walled Ω ring structure, thread-locking ring seal the tradition forced seal structures such as structure；Also form such as: the self-tightening sealing structures such as B shape ring, C-shaped ring, O, cambridge ring, Cachaly seal, Bridgman sealing.Above-mentioned sealing structure because of strengthening effect not enough, going deep in particular with practical application, it has been found that these structures itself there is also some disadvantageous places.The problem being primarily present is:
First, structure is complicated.Thread-locking ring heat exchanger bobbin carriage seals, and pressure strip, sealing plate and the bolt employed in it is all consumable accessory；When sealing appearance leakage, needing manually bolts on is adjusted compensating, and band pressure zone temperature operates so that troublesome poeration is the most dangerous.
Second, need high-caliber welding.Such as the seal weld of thin-walled Ω ring structure, it is likely to during site examining and repairing again change Ω half ring element all positon seal weld.If bobbin carriage end uses sphere every diaphragm seal, site examining and repairing not only needs to remove sealing, also needs to all positon seal weld again, welder's qualification and procedure qualification and need to meet the requirement of national legislation standard after re-assemblying.
3rd, huge structure.As common rule for the treatment of flange-type seals, flange and end cap are the thickest, and not temperature compensated regulation.
4th, structure is normally opened to be split, dangerous, difficult in maintenance.
nullThen，Applicant have developed a kind of assembling quality that can improve bobbin carriage for drawbacks described above，Simple in construction、Good seal performance，The sealing structure of the tube header of tube-type heat exchanger of overall manufacturing cost can also be reduced simultaneously，This sealing structure includes tube header section、Bobbin carriage end cap、The sphere film phonograph seal dish being arranged between the end of tube header section and bobbin carriage end cap，Sphere film phonograph seal dish includes sphere diaphragm and the plain cushion side ring of the globally outer circumferential side setting of diaphragm being arranged at centre，The end of tube header section is connected by stud nut is fixing with bobbin carriage end cap，Plain cushion side ring is under the effect of stud nut，One end is clamped in the end of tube header section，Its other end is clamped in bobbin carriage end cap，Wherein，Tube header section is inwardly provided with seam step along the end face of tube header section，Seam step includes First terrace and the second step face being connected with First terrace，Second step face is perpendicular to the central axis of described tube header section，The first closure gasket groove is formed between First terrace and the outer circumferential side of plain cushion side ring of seam step，The second step of seam step is provided with the second closure gasket groove towards interior，The notch of the second closure gasket groove is clamped in the inner face of plain cushion side ring，The resilient metallic packing ring of tool it is provided with in first closure gasket groove and the second closure gasket groove.Use the resilient metallic packing ring of tool to match with closure gasket groove and carry out dual-seal, two have the cell wall of closure gasket groove that resilient metallic packing ring can be the most corresponding and jointly act on producing trace swelling deformation and carry out further pinch seal, mutual synergism between the two, do not exist and interfere impact and the offseting phenomenon of sealing force, there is the function of compensation mutually；But, the processing of the closure gasket groove in said structure is complex, manufacturing cost is higher, manufacturing cycle is longer, and simple closure gasket groove and metallic packing ring be sealed into movable sealing, need at least two closure gasket groove collocation at least two to have resilient metallic packing ring and could realize preferable sealing effectiveness.
Further, applicant is attempted with that with plain cushion side ring, the end of tube header section is the most directly welded realize tightening seal and is connected, it is found that directly welding is bigger for the damage of bobbin carriage end peace pad side ring, make the service life sealing membranous disc shorter, add the reparation of bobbin carriage end, be not easy to actually used in maintenance and use.
To sum up, the problem that applicant exists further in conjunction with diaphragm seal technology and tube header of tube-type heat exchanger end improves, and researches and develops the tube case end part sealing structure of a kind of improvement, has the most far-reaching and great meaning in field of engineering technology.
Summary of the invention
The purpose of the application is to avoid weak point of the prior art to provide a kind of it can be avoided that directly weld the damage of the bobbin carriage end peace pad side ring brought, can repeated multiple times use, utilization rate high, simple in construction, manufacturing cycle be short simultaneously, low cost, good seal performance, the lip weldering of tube header of tube-type heat exchanger that improves the assembling quality of bobbin carriage further seal structure.
The purpose of the application is achieved through the following technical solutions:
ProvideA kind of tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, wherein, the end of described tube header section is provided with the case lip of protrusion, described plain cushion side ring is provided with the pad lip of protrusion, the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip and described pad lip.
Preferably,The pad lip of the protrusion that described plain cushion side ring is arranged, the angle between this pad lip protrusion direction and axial direction of tube header section are set greater than equal to 0 ° and less than or equal to 90 °；The case lip of protrusion, the angle between this case lip protrusion direction and axial direction of tube header section that the end of described tube header section is arranged are set greater than equal to 0 ° and less than or equal to 90 °.
It is furthermore preferred thatAngle between described pad lip protrusion direction and the axial direction of tube header section is set to 0 °, and this pad lip is for axially padding lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described axial case lip and described axial pad lip.
It is furthermore preferred thatAngle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radially to pad lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, and this case lip is radial direction case lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described radial direction case lip and described radial direction pad lip.
It is furthermore preferred thatAngle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this case lip is dump box lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described dump box lip and described tilting pad lip.
It is furthermore preferred thatAngle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip；Angle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described axial case lip and described tilting pad lip.
Above-mentioned,Described case lip is arranged at the sealing seam step of the end of described tube header section.
Above-mentioned,The overall structure of pad lip and the described integrated setting of plain cushion side ring of the protrusion that described plain cushion side ring is arranged, or the pad lip of protrusion that described plain cushion side ring is arranged is split type assembly welding combinative structure with described plain cushion side ring.
Above-mentioned,The end of described tube header section is provided with the overall structure of the case lip of protrusion and the integrated setting in end of described tube header section, or the end of the end of the described tube header section case lip and described tube header section that are provided with protrusion is split type assembly welding combinative structure.
Provide againA kind of tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, wherein, described plain cushion side ring is provided with the pad lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish tightening seal by described pad lip.
Preferably,Angle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radially to pad lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described radial direction pad lip.
Preferably,The overall structure of pad lip and the described integrated setting of plain cushion side ring of the protrusion that described plain cushion side ring is arranged, or the pad lip of protrusion that described plain cushion side ring is arranged is split type assembly welding combinative structure with described plain cushion side ring.
Additionally provideA kind of tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, wherein, the end of described tube header section is provided with the case lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip.
Preferably,Angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, and this case lip is radial direction case lip；The end of described tube header section is connected with described diaphragm seal dish tightening seal by described radial direction case lip.
It is furthermore preferred thatDescribed radial direction case lip is machined with at least one step towards the side of described bobbin carriage end cap, and the end of described tube header section is connected with described diaphragm seal dish tightening seal by the step surface of described radial direction case lip.
Preferably,The end of described tube header section is provided with the overall structure of the case lip of protrusion and the integrated setting in end of described tube header section, or the end of the end of the described tube header section case lip and described tube header section that are provided with protrusion is split type assembly welding combinative structure.
The beneficial effect of the application:
A kind of tube header of tube-type heat exchanger of the application seals structure, including three kinds of technical schemes, one is, the end of described tube header section is provided with the case lip of protrusion, described plain cushion side ring is provided with the pad lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip and described pad lip；It two is that described plain cushion side ring is provided with the pad lip of protrusion, and the end of described tube header section is connected with described plain cushion side ring tightening seal by described pad lip；It three is that the end of described tube header section is provided with the case lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip.Compared with prior art, the directly welding of original bobbin carriage end peace pad side ring is changed into the welding of the lip of case lip and/or pad lip, avoid the directly welding damage to bobbin carriage end peace pad side ring, and lip can repeated multiple times use, improve utilization rate, this tube header of tube-type heat exchanger seals structure and integrates various structures advantage simultaneously, and its designing technique simplicity maturation, good seal performance, simple in construction, manufacturing cycle be short, low cost, can further improve the assembling quality of bobbin carriage.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish, 4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Accompanying drawing explanation
Utilize accompanying drawing that the application is described further, but the embodiment in accompanying drawing does not constitute any restriction to the application, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the structural representation of a kind of tubular heat exchanger of the prior art.
Fig. 2 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 3 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 4 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 5 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 6 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 7 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 8 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 9 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Figure 10 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Figure 11 is the one of which partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger sealing structure of the application.
Fig. 1 to Figure 11 includes:
1 heat exchanger tube, 2 tube banks, 3 shells, 4 bobbin carriages,
5 bobbin carriage ends, 6 end caps,
7 diaphragm seal dishes, 71 diaphragms, 72 plain cushion side rings,
8 O, 9 seal welds, 10 stud nuts,
11 axially pad lip, 12 axial case lips,
13 welded corner joints, 14 axial lips are welded, 15 footpath labiads weld, 16 beveled lip are welded,
17 radially pad lips, 18 radially case lips,
19 tilting pad lips, 20 dump box lips.
Detailed description of the invention
With the following Examples the application is described in further detail.
Embodiment 1
A kind of tube header of tube-type heat exchanger of the application seals one of detailed description of the invention of structure, referring to figs. 2 to shown in Fig. 7, include the diaphragm seal dish 7 being arranged between the end of tube header section and bobbin carriage end cap 6, diaphragm seal dish 7 includes and is arranged at middle diaphragm 71 and the plain cushion side ring 72 of the outer circumferential side setting along diaphragm 71, plain cushion side ring 72 is under the effect of stud nut 10, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap 6, above-mentioned technical characteristic is identical with the sealing structure of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger of the application seals structure and also possesses other basic structure of tube header of tube-type heat exchanger of the prior art sealing structure.
The application thes improvement is that: the end of described tube header section is provided with the case lip of protrusion, and described plain cushion side ring 72 is provided with the pad lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish 7 tightening seal by described case lip and described pad lip.Compared with prior art, the directly welding of original bobbin carriage end 5 and plain cushion side ring 72 is changed into the welding of the lip of case lip and pad lip, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Concrete, the pad lip of the protrusion that described plain cushion side ring 72 is arranged and the overall structure of the described integrated setting of plain cushion side ring 72, or the pad lip of protrusion that described plain cushion side ring 72 is arranged is split type assembly welding combinative structure with described plain cushion side ring 72；The end of described tube header section is provided with the overall structure of the case lip of protrusion and the integrated setting in end of described tube header section, or the end of the end of the described tube header section case lip and described tube header section that are provided with protrusion is split type assembly welding combinative structure.Assembly welding combinative structure can be the direct assembly welding of same material, can also be the foreign material assembly welding by buffer layer material, when one of two lips height reduces, move back to without lip, can need the material that at seal weld 9, one layer of solderability of elder generation's built-up welding is good thereon, another lip carries out seal weld 9 with overlay cladding again.In technique scheme, arbitrary in the overall structure of case lip integrated setting with the end of tube header section protruded or split type assembly welding combinative structure, is connected with the arbitrary tightening seal in the overall structure padding lip setting integrated with plain cushion side ring 72 protruded or split type assembly welding combinative structure.
Concrete, described case lip can be arranged at the sealing seam step of the end of described tube header section, and plain cushion side ring 72 can be that different-thickness carries out transition with middle diaphragm 71；Described case lip can also be not provided with the sealing seam step in the end of described tube header section, then plain cushion side ring 72 is equal thickness transition with middle diaphragm 71.
The application is particularly applicable on the heat transfer requirements of petroleum refining and chemical industry, Coal Chemical Industry, chemical fertilizer, air-conditioning, air cooling, electric power facility equipment etc., including to application modes such as medium are heated or cooled, it is particularly suitable for High Temperature High Pressure and faces the operating mode of hydrogen load fluctuation, be also suitable for the bearing device manhole of similar operating mode.Simultaneously, according to the principle of sealing technology of the application, a kind of tube header of tube-type heat exchanger of the application seals structure and 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, conical end, flange, heat exchanger bobbin carriage, heat exchanger tube sheet, blank cap.
Embodiment 2
A kind of tube header of tube-type heat exchanger of the application seals the two of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer repeats at this.Referring to figs. 2 to shown in Fig. 9, the present embodiment is with the difference of embodiment 1, and the pad lip of the protrusion that described plain cushion side ring 72 is arranged, the angle between this pad lip protrusion direction and axial direction of tube header section are set greater than equal to 0 ° and less than or equal to 90 °；The case lip of protrusion, the angle between this case lip protrusion direction and axial direction of tube header section that the end of described tube header section is arranged are set greater than equal to 0 ° and less than or equal to 90 °.
When angle between protrusion direction and the axial direction of tube header section of the pad lip of the protrusion that described plain cushion side ring 72 is arranged is equal to 0 °, pad axially projecting along plain cushion side ring 72 of lip；When angle between protrusion direction and the axial direction of tube header section of the pad lip of the protrusion that described plain cushion side ring 72 is arranged is equal to 90 °, pad lip is along the radially protruding of plain cushion side ring 72；When angle between protrusion direction and the axial direction of tube header section of the pad lip of the protrusion that described plain cushion side ring 72 is arranged is less than 90 ° more than 0 °, pad lip tilts to protrude along plain cushion side ring 72.
When described tube header section end arrange protrusion case lip protrusion direction and the axial direction of tube header section between angle be 0 ° time, case lip is axially projecting along bobbin carriage；When described tube header section end arrange protrusion case lip protrusion direction and the axial direction of tube header section between angle be 90 ° time, case lip is along bobbin carriage radially protruding；When described tube header section end arrange protrusion case lip protrusion direction and the axial direction of tube header section between angle be more than 0 ° less than 90 ° time, case lip along bobbin carriage tilt protrude.
Compared with prior art, corner connection welding single to original bobbin carriage end 5 and plain cushion side ring 72 is changed into the inclination lip welding of both lip welding, the welding of axial lip or inclinations 0 ° to 90 ° radially, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 3
A kind of tube header of tube-type heat exchanger of the application seals the three of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer repeats at this.With reference to shown in Fig. 2, Fig. 3 and Fig. 4, the present embodiment is with the difference of embodiment 2, and the angle between described pad lip protrusion direction and the axial direction of tube header section is set to 0 °, and this pad lip is for axially padding lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip 12；The end of described tube header section is connected with described plain cushion side ring 72 tightening seal by described axial case lip 12 and described axial pad lip.Compared with prior art, corner connection welding single to original bobbin carriage end 5 and plain cushion side ring 72 is changed into the lip welding that both are axial, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Concrete, with reference to shown in Fig. 2, above-mentioned axial pad lip extends along the plane concordant with the outer peripheral face of plain cushion side ring 72 and forms integrated overall structure, axially case lip 12 and the split type setting in end of tube header section, after being connected by welded corner joint 13 between the two, then it is welded to connect with axially pad lip by axial lip weldering 14.The end of tube header section arranges sealing seam step, after plain cushion side ring 72 superposes along bobbin carriage height radially and axial case lip 12 along bobbin carriage height radially, sealing seam step that just end with tube header section is arranged is supported, wherein axially case lip 12 along the axial length of bobbin carriage less than plain cushion side ring 72 along the axial length of bobbin carriage with the axial lip that pads along the axial length sum of bobbin carriage.The case lip of the protrusion arranged on the disc of tube header section end seal seam step is and the combinative structure of bobbin carriage end 5 assembly welding, and both materials can be different, and tube header section high-strength material is conducive to bearing high pressure, and the case lip strength of materials is properly more beneficial for welding.When repeatedly overhaul dismounting cause the case lip of protrusion to exhaust after, can again make a circle case lip assembly welding up, be continuing with.
Concrete, with reference to shown in Fig. 3, the end of tube header section arranges sealing seam step, above-mentioned axial case lip 12 arranges integrated axial case lip 12 along the step the most parallel with bobbin carriage towards bobbin carriage is axially projecting, above-mentioned axial pad lip extends along the plane concordant with the outer peripheral face of plain cushion side ring 72 and forms integrated overall structure, the axial case lip 12 of integration is tightly connected by axial lip weldering 14 in outer face with integrated axially pad lip, plain cushion side ring 72 superpose along bobbin carriage height radially and axial case lip 12 along bobbin carriage height radially after just sealing seam step with the end setting of tube header section support, wherein axially case lip 12 along the axial length of bobbin carriage less than plain cushion side ring 72 along the axial length of bobbin carriage with axially pad lip along the axial length sum of bobbin carriage.The case lip of the protrusion arranged on the disc of tube header section end seal seam step uses the overall structure of tube header section integration.When repeatedly overhaul dismounting cause integration case lip exhaust after, can again make a circle case lip assembly welding up, be continuing with.
Concrete, with reference to shown in Fig. 4, the end of tube header section arranges sealing seam step, the transition face of step is inclined plane and on-plane surface, axially case lip 12 is not to support and assembly welding is at sealed step stop portion, but moving outward to the inner side of the stud nut 10 near cylindrical along the footpath of bobbin carriage in the end of assembly welding to tube header section, the axially pad lip 11 also corresponding extension of plain cushion side ring 72, the axial case lip 12 of the outer shifting with the end of tube header section carries out the weldering 14 of axial lip to reach sealing purpose.
Embodiment 4
A kind of tube header of tube-type heat exchanger of the application seals the four of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer repeats at this.With reference to shown in Fig. 5, the present embodiment is with the difference of embodiment 2, and the angle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radially to pad lip 17, and radially pad lip 17 is connected with plain cushion side ring 72 unit-welded；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, and this case lip is radial direction case lip 18, and radially case lip 18 is connected with the end unit-welded of tube header section；Radial direction case lip 18 and the radial direction pad lip 17 of described unit-welded connection that the end of described tube header section is connected by described unit-welded realize tightening seal with described plain cushion side ring 72 footpath labiad weldering 15 and are connected.Certainly, the radial direction case lip 18 of the above-mentioned unit-welded mentioned and the radial direction pad lip 17 of unit-welded can also be integral structure.Such as, with reference to shown in Fig. 9, middle diaphragm 71, plain cushion side ring 72 are integral structure with radially pad lip 17, and i.e. three is formed integrally becomes diaphragm seal dish 7, now, diaphragm seal dish 7 along bobbin carriage height radially less than the height of radially case lip 18.
Compared with prior art, corner connection welding single to original bobbin carriage end 5 and plain cushion side ring 72 is changed into both lip welding radially, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish, 4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 5
A kind of tube header of tube-type heat exchanger of the application seals the five of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer repeats at this.With reference to shown in Fig. 6, the present embodiment is with the difference of embodiment 2, and the angle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip 19；Angle between described case lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this case lip is dump box lip 20；The end of described tube header section is connected with described plain cushion side ring 72 tightening seal by described dump box lip 20 and described tilting pad lip 19.
The end of tube header section arranges sealing seam step, the transition face of step is inclined plane and on-plane surface, and the direction of the transition face of step is identical with the incline direction of tilting pad lip 19 and the inclined plane of dump box lip 20, supports beveled lip weldering 16 after dump box lip 20 and tilting pad lip 19 superposition and connect to realize tightening seal.
Compared with prior art, corner connection welding single to original bobbin carriage end 5 and plain cushion side ring is changed into both and tilts the inclination lip welding of 0 ° to 90 °, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 6
A kind of tube header of tube-type heat exchanger of the application seals the six of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer repeats at this.With reference to shown in Fig. 7, the present embodiment is with the difference of embodiment 2, and the angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip 12；Angle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip 19；The end of described tube header section is connected with described plain cushion side ring 72 tightening seal by described axial case lip 12 and described tilting pad lip 19.Wherein, middle diaphragm 71, plain cushion side ring 72 are integral structure with tilting pad lip 19, i.e. three is formed and integrally becomes diaphragm seal dish 7.The end of tube header section here is not provided with sealing seam step, it is only necessary to collocation seal groove and O 8 carry out dual-seal.
Compared with prior art, corner connection welding single to original bobbin carriage end 5 and plain cushion side ring 72 is changed into axial case lip 12 and the welding of tilting pad lip 19, not only facilitate welding and disassembling section, but also avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, simultaneously because lip can repeated multiple times be welded, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 7
A kind of tube header of tube-type heat exchanger of the application seals the seven of the detailed description of the invention of structure, with reference to shown in Fig. 8, include the diaphragm seal dish 7 being arranged between the end of tube header section and bobbin carriage end cap 6, diaphragm seal dish 7 includes and is arranged at middle diaphragm 71 and the plain cushion side ring 72 of the outer circumferential side setting along diaphragm 71, plain cushion side ring 72 is under the effect of stud nut 10, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap 6, above-mentioned technical characteristic is identical with the sealing structure of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger of the application seals structure and also possesses other basic structure of tube header of tube-type heat exchanger of the prior art sealing structure.
The application thes improvement is that: described plain cushion side ring 72 is provided with the pad lip of protrusion, and the end of described tube header section is connected with described plain cushion side ring 72 tightening seal by described pad lip.Plain cushion side ring 72 does not has directly and the end of tube header section carries out seal weld 9, but the end of the pad lip protruded by it and tube header section carries out seal weld 9.Compared with prior art, the pad lip that the directly welding of original bobbin carriage end 5 and plain cushion side ring 72 is changed into protruding welds with the end of tube header section, avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring 72, and lip can repeated multiple times use, improve utilization rate, this tube header of tube-type heat exchanger sealing structure integrates various structures advantage simultaneously, its designing technique simplicity maturation, good seal performance, simple in construction, manufacturing cycle be short, low cost, can further improve the assembling quality of bobbin carriage.Pad lip is provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 8
A kind of tube header of tube-type heat exchanger of the application seals the eight of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 7, the most unaccounted feature, uses the explanation in embodiment 7, no longer repeats at this.With reference to shown in Fig. 8, the present embodiment is with the difference of embodiment 7, and described pad lip is set to 90 ° along bobbin carriage radially protruding and the angle between protrusion direction and the axial direction of tube header section, and this pad lip is radially to pad lip 17；The end of described tube header section is provided with sealing seam step, and described plain cushion side ring 72 realizes tightening seal by described radial direction pad lip 17 with the end seal weldering 9 of tube header section and is connected.Plain cushion side ring 72 does not has directly and the end of tube header section carries out seal weld 9, but carries out seal weld 9 by the end of the radial direction pad lip 17 of its radially protruding with tube header section.
Embodiment 9
A kind of tube header of tube-type heat exchanger of the application seals the nine of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 7, the most unaccounted feature, uses the explanation in embodiment 7, no longer repeats at this.With reference to shown in Fig. 8, the present embodiment is with the difference of embodiment 7, the overall structure of pad lip and the described integrated setting of plain cushion side ring 72 of the protrusion that described plain cushion side ring 72 is arranged, or the pad lip of protrusion that described plain cushion side ring 72 is arranged is split type assembly welding combinative structure with described plain cushion side ring 72.The pad lip protruded uses the overall structure integrated with plain cushion side ring 72.When repeatedly overhaul dismounting cause integration pad lip exhaust after, can again make a circle pad lip assembly welding up, be continuing with.And the pad lip protruded and the combinative structure of plain cushion side ring 72 assembly welding, the material that both use can be different, and the structure near tube header section uses high-strength material to be conducive to bearing high pressure, and remainder material is properly more beneficial for welding with the intensity of diaphragm seal dish 7.When repeatedly overhaul dismounting cause the pad lip of protrusion to exhaust after, can again make a circle pad lip assembly welding up, be continuing with.
Embodiment 10
A kind of tube header of tube-type heat exchanger of the application seals the ten of the detailed description of the invention of structure, with reference to shown in Fig. 9, include the diaphragm seal dish 7 being arranged between the end of tube header section and bobbin carriage end cap 6, diaphragm seal dish 7 includes and is arranged at middle diaphragm 71 and the plain cushion side ring 72 of the outer circumferential side setting along diaphragm 71, plain cushion side ring 72 is under the effect of stud nut 10, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap 6, above-mentioned technical characteristic is identical with the sealing structure of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger of the application seals structure and also possesses other basic structure of tube header of tube-type heat exchanger of the prior art sealing structure.
The application thes improvement is that: the end of described tube header section is provided with the case lip of protrusion, and the end of described tube header section is connected with described diaphragm seal dish 7 tightening seal by described case lip.The end of tube header section is the most directly and plain cushion side ring 72 carries out seal weld 9, but the plain cushion side ring 72 of the case lip protruded by it and diaphragm seal dish 7 carries out seal weld 9.Compared with prior art, the directly welding of original bobbin carriage end 5 and plain cushion side ring 72 is changed into the case lip of protrusion and welding of plain cushion side ring, avoid directly welding to bobbin carriage end 5 and the damage of plain cushion side ring, and lip can repeated multiple times use, improve utilization rate, this tube header of tube-type heat exchanger seals structure and integrates various structures advantage simultaneously, and its designing technique simplicity maturation, good seal performance, simple in construction, manufacturing cycle be short, low cost, can further improve the assembling quality of bobbin carriage.Case lip is provided with suitably height or length, a bit of lip will be removed when overhaul of the equipments each time need to pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide 5 maintenance losses, adds last without lip assembly welding, has 6 maintenance, properly functioning heat exchanger is once to overhaul for 4 years, then the lip weldering of bobbin carriage seals structure then the service life of 24 years, exceedes the service life that tube bank is general, and suitable with the service life of heat exchanger shell.
Embodiment 11
A kind of tube header of tube-type heat exchanger of the application seals the 11 of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 10, the most unaccounted feature, uses the explanation in embodiment 10, no longer repeats at this.With reference to shown in Fig. 9, the present embodiment is with the difference of embodiment 10, and described case lip is set to 90 ° along the radially protruding of bobbin carriage, angle between its protrusion direction and axial direction of tube header section, and this case lip is radial direction case lip 18；The end of described tube header section is connected with described diaphragm seal dish 7 tightening seal by described radial direction case lip 18.The end of tube header section is the most directly and plain cushion side ring 72 carries out seal weld 9, but carrying out seal weld 9 by the plain cushion side ring 72 of the radial direction case lip 18 of its radially protruding with diaphragm seal dish 7, the height of the plain cushion side ring 72 of this diaphragm seal dish 7 is less than the radial direction case lip 18 height along bobbin carriage radial direction.
Embodiment 12
A kind of tube header of tube-type heat exchanger of the application seals the 12 of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 10, the most unaccounted feature, uses the explanation in embodiment 10, no longer repeats at this.With reference to shown in Figure 10 and Figure 11, the present embodiment is with the difference of embodiment 10, described radial direction case lip 18 is machined with at least one step towards the side of described bobbin carriage end cap 6, and the end of described tube header section is connected with described diaphragm seal dish 7 tightening seal by the step surface of described radial direction case lip 18.
Concrete, end inner circle assembly welding radially case lip 18 in tube header section, this radially case lip 18 interior shifting setting, its lateral surface is concordant with the lateral surface of the end of tube header section, without departing from the lateral surface of this end, on the radial direction case lip 18 of interior shifting, after eliminating welding stress heat treatment, process three steps, with reference to shown in Figure 10, barrier film pad is installed on the seam step of maximum gauge, the radial direction case lip 18 of interior shifting and sealing side ring seal weld 9, finally installing bobbin carriage end cap 6.When needs enter bobbin carriage, the step that diameter is maximum when prescinding barrier film pad, can be damaged, as long as a little bit smaller for the barrier film outside diameter processing cut off, being installed on second seam step that diameter is more slightly smaller, carrying out seal weld 9.By that analogy, when needs second time enters bobbin carriage, repeat said process, the technical program can specify that the service life radially padding lip 17 at the very start, can arrange flexibly according to concrete practical situation, and save material, reduce loss, parts neatly can use as standard component and promote simultaneously.
Or, shown in reference Figure 11, first barrier film pad is installed on the seam step that diameter is minimum rather than diameter is maximum, the radial direction case lip 18 of interior shifting and sealing side ring seal weld 9, finally bobbin carriage end cap 6 is being installed.When needs enter bobbin carriage, the step minimum together with diameter prescinds barrier film pad, manufactures a bigger barrier film pad of diameter and be installed on second seam step that diameter is slightly bigger, carry out seal weld 9.By that analogy, when needs second time enters bobbin carriage, said process is repeated.
Embodiment 13.
A kind of tube header of tube-type heat exchanger of the application seals the 13 of the detailed description of the invention of structure, and the main technical schemes of the present embodiment is same as in Example 10, the most unaccounted feature, uses the explanation in embodiment 10, no longer repeats at this.With reference to shown in Fig. 3, the present embodiment is with the difference of embodiment 10, the end of described tube header section is provided with the overall structure of the case lip of protrusion and the integrated setting in end of described tube header section, or the end of the end of the described tube header section case lip and described tube header section that are provided with protrusion is split type assembly welding combinative structure.The case lip protruded uses the overall structure integrated with the end of tube header section.When repeatedly overhaul dismounting cause integration case lip exhaust after, can again make a circle case lip assembly welding up, be continuing with.And the combinative structure of the end assembly welding of the case lip protruded and tube header section, the material that both use can be different, and tube header section uses high-strength material to be conducive to bearing high pressure, and the case lip strength of materials is properly more beneficial for welding.When repeatedly overhaul dismounting cause the case lip of protrusion to exhaust after, can again make a circle case lip assembly welding up, be continuing with.
Finally should be noted that; above example is only in order to illustrate the technical scheme of the application; rather than the restriction to the application protection domain; although having made to explain to the application with reference to preferred embodiment; it will be understood by those within the art that; the technical scheme of the application can be modified or equivalent, without deviating from the spirit and scope of technical scheme.
Claims (14)
1. a tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, it is characterized in that: the end of described tube header section is provided with the case lip of protrusion, described plain cushion side ring is provided with the pad lip of protrusion, the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip and described pad lip.
A kind of tube header of tube-type heat exchanger the most according to claim 1 seals structure, it is characterised in that: the pad lip of the protrusion that described plain cushion side ring is arranged, the angle between this pad lip protrusion direction and axial direction of tube header section are set greater than equal to 0 ° and less than or equal to 90 °；The case lip of protrusion, the angle between this case lip protrusion direction and axial direction of tube header section that the end of described tube header section is arranged are set greater than equal to 0 ° and less than or equal to 90 °.
A kind of tube header of tube-type heat exchanger the most according to claim 2 seals structure, it is characterised in that: the angle between described pad lip protrusion direction and the axial direction of tube header section is set to 0 °, and this pad lip is for axially padding lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip；The end of described tube header section is connected with the plain cushion side ring tightening seal of described diaphragm seal dish by described axial case lip and described axial pad lip.
A kind of tube header of tube-type heat exchanger the most according to claim 2 seals structure, it is characterised in that: the angle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radially to pad lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, and this case lip is radial direction case lip；The end of described tube header section is connected with the plain cushion side ring tightening seal of described diaphragm seal dish by described radial direction case lip and described radial direction pad lip.
A kind of tube header of tube-type heat exchanger the most according to claim 2 seals structure, it is characterised in that: the angle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip；Angle between described case lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this case lip is dump box lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described dump box lip and described tilting pad lip.
A kind of tube header of tube-type heat exchanger the most according to claim 2 seals structure, it is characterised in that: the angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, and this case lip is axial case lip；Angle between described pad lip protrusion direction and the axial direction of tube header section is set greater than 0 ° and less than 90 °, and this pad lip is tilting pad lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described axial case lip and described tilting pad lip.
A kind of tube header of tube-type heat exchanger the most as claimed in any of claims 1 to 6 seals structure, it is characterised in that: described case lip is arranged at the sealing seam step of the end of described tube header section.
8. a tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, it is characterized in that: described plain cushion side ring is provided with the pad lip of protrusion, the end of described tube header section is connected with described diaphragm seal dish tightening seal by described pad lip.
A kind of tube header of tube-type heat exchanger the most according to claim 8 seals structure, it is characterised in that: the angle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radially to pad lip；The end of described tube header section is connected with described plain cushion side ring tightening seal by described radial direction pad lip.
10. a tube header of tube-type heat exchanger seals structure, include the diaphragm seal dish being arranged between the end of tube header section and bobbin carriage end cap, diaphragm seal dish includes and is arranged at middle diaphragm and the plain cushion side ring of the outer circumferential side setting along diaphragm, plain cushion side ring is under the effect of stud nut, one end is clamped in the end of tube header section, its other end is clamped in bobbin carriage end cap, it is characterized in that: the end of described tube header section is provided with the case lip of protrusion, the end of described tube header section is connected with described diaphragm seal dish tightening seal by described case lip.
11. a kind of tube header of tube-type heat exchangers according to claim 10 seal structure, it is characterised in that: the angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, and this case lip is radial direction case lip；The end of described tube header section is connected with described diaphragm seal dish tightening seal by described radial direction case lip.
12. a kind of tube header of tube-type heat exchangers according to claim 11 seal structure, it is characterized in that: described radial direction case lip is machined with at least one step towards the side of described bobbin carriage end cap, the end of described tube header section is connected with described diaphragm seal dish tightening seal by the step surface of described radial direction case lip.
13. seal structure according to a kind of tube header of tube-type heat exchanger described in claim 1 or 8, it is characterized in that: the pad lip of the protrusion that described plain cushion side ring is arranged and the overall structure of the described integrated setting of plain cushion side ring, or the pad lip of the protrusion of described plain cushion side ring setting is split type assembly welding combinative structure with described plain cushion side ring.
14. seal structure according to a kind of tube header of tube-type heat exchanger described in claim 1 or 10, it is characterized in that: the end of described tube header section is provided with the overall structure of the case lip of protrusion and the integrated setting in end of described tube header section, or the end of the end of the described tube header section case lip and described tube header section that are provided with protrusion is split type assembly welding combinative structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143476.5A CN104776749B (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger seals structure |
| PCT/CN2016/077457 WO2016155582A1 (en) | 2015-03-30 | 2016-03-27 | Tube heat exchanger tube-header sealing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510143476.5A CN104776749B (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger seals structure |
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| CN104776749A CN104776749A (en) | 2015-07-15 |
| CN104776749B true CN104776749B (en) | 2016-09-21 |
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| CN104776749B (en) * | 2015-03-30 | 2016-09-21 | 茂名重力石化机械制造有限公司 | A kind of tube header of tube-type heat exchanger seals structure |
| CN105436543B (en) * | 2015-11-30 | 2018-04-20 | 茂名重力石化装备股份公司 | Heat exchanger diaphragm seal weld seam buster and cutting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204718472U (en) * | 2015-03-30 | 2015-10-21 | 茂名重力石化机械制造有限公司 | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
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| US4917182A (en) * | 1988-04-01 | 1990-04-17 | General Motors Corporation | Sealed tank and header assembly |
| US5899267A (en) * | 1998-09-14 | 1999-05-04 | General Motors Corporation | Heat exchanger sealed tank and header assembly with gasket displacement prevention |
| CN1291712A (en) * | 1999-09-01 | 2001-04-18 | 南海市桂城宝峰胜高新科技开发有限公司 | Tube-plate floating, tubes arranged heat exchanger |
| FR2805036B1 (en) * | 2000-02-10 | 2002-06-14 | Valeo Thermique Moteur Sa | HEAT EXCHANGER WITH IMPROVED SEAL, PARTICULARLY FOR MOTOR VEHICLE |
| CN2548104Y (en) * | 2002-03-11 | 2003-04-30 | 中国石油化工集团公司 | High-pressure shell-type heat-exchanger |
| KR101569692B1 (en) * | 2009-09-22 | 2015-11-17 | 한온시스템 주식회사 | the structure of header tank equipped with guide for preventing sepsration in heat exchanger |
| CN102564170A (en) * | 2012-02-29 | 2012-07-11 | 茂名重力石化机械制造有限公司 | Tube type heat exchanger |
| CN103557738B (en) * | 2013-10-31 | 2016-01-13 | 茂名重力石化机械制造有限公司 | A kind of hermetically-sealed construction of tube header of tube-type heat exchanger |
| CN103673692A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel raw oil top circulation oil heat exchanger |
| CN103673693A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel crude oil normal-pressure tower top oil-gas heat exchanger |
| CN104776749B (en) * | 2015-03-30 | 2016-09-21 | 茂名重力石化机械制造有限公司 | A kind of tube header of tube-type heat exchanger seals structure |
-
2015
- 2015-03-30 CN CN201510143476.5A patent/CN104776749B/en active Active
-
2016
- 2016-03-27 WO PCT/CN2016/077457 patent/WO2016155582A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204718472U (en) * | 2015-03-30 | 2015-10-21 | 茂名重力石化机械制造有限公司 | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776749A (en) | 2015-07-15 |
| WO2016155582A1 (en) | 2016-10-06 |
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Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |