CN204718472U - A kind of tube header of tube-type heat exchanger hermetically-sealed construction - Google Patents
A kind of tube header of tube-type heat exchanger hermetically-sealed construction Download PDFInfo
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- CN204718472U CN204718472U CN201520183699.XU CN201520183699U CN204718472U CN 204718472 U CN204718472 U CN 204718472U CN 201520183699 U CN201520183699 U CN 201520183699U CN 204718472 U CN204718472 U CN 204718472U
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Abstract
A kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, 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 with pad lip by case lip; Or plain cushion side ring is provided with the pad lip of protrusion, 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, the end of tube header section is connected with diaphragm seal dish tightening seal by case lip.Compared with prior art, the direct welding of original bobbin carriage end peace pad side ring is changed into the welding of the convex lip of case lip and/or pad lip, avoid the damage of directly welding to bobbin carriage end peace pad side ring, and convex lip can repeated multiple timesly use, improve utilization rate, this bobbin carriage hermetically-sealed construction integrates various structures advantage simultaneously, and the easy maturation of its designing technique, good seal performance, structure is simple, the manufacturing cycle is short, cost is low, 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 a kind of tube header of tube-type heat exchanger hermetically-sealed construction 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 common structure of tubular heat exchanger of the prior art as shown in Figure 1, generally 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, tube bank 2 is made up of heat exchanger tube 1, support plate (or deflection plate) and tube sheet usually, and heat exchanger tube 1 in a row is by support plate (or deflection plate) supporting, 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 restraining the combination of the dividing plate of 2 and bobbin carriage 4, heat exchanger tube 1 can be divided into several flow process, so that medium flows back and forth in heat exchanger tube 1, 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 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 exchanger tube 1 pipe 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 exchanger tube 1 pipe 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, in order to avoid the leakage of flow process material, even if it imports and exports adapter, bore 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, shell and the bobbin carriage cylinder of bigbore tube sheet and its both sides weld, make like this, the end of bobbin carriage just with the mode also adopting equal strength weld seam to weld between end cap, mainly can not be considered and facilitates maintainer can enter to carry out the first-class repair work of detector tube from the end of bobbin carriage.
Thereupon, people are devoted to the research of the better hermetically-sealed construction between the end of bobbin carriage and the end cap of bobbin carriage except non-disconnectable strength solder joints is connected always.
Although people have done long-term effort in the research of above-mentioned hermetically-sealed construction, define such as: traditional forced seal structure such as seal weld flange sealing structure, thread-locking ring hermetically-sealed construction of T-slot metal gasket flange sealing structure, thin-walled Ω ring structure; Also form such as: the self-tightening sealing structure such as B shape ring, C shape ring, O shape ring, cambridge ring, Cachaly seal, Bridgman sealing.Above-mentioned hermetically-sealed construction because of strengthening effect not enough, going deep into particularly along with practical application, it is found that these structures itself also exist some disadvantageous places.Main Problems existing is:
The first, complex structure.Thread-locking ring heat exchanger bobbin carriage seals, and wherein adopted pressure strip, sealing plate and bolt are all consumable accessorys; When sealing appearance and leaking, need manually to bolt on and carry out adjustment compensation, the operation of band pressure zone temperature, makes troublesome poeration dangerous again.
The second, need high-caliber welding.As the seal weld of thin-walled Ω ring structure, during site examining and repairing, probably to again change Ω half ring element and all positon seal weld.If bobbin carriage end adopts sphere every diaphragm seal, site examining and repairing not only needs to remove sealing, and also need all positon seal weld again after re-assemblying, welder's qualification and procedure qualification need meet the requirement of national legislation standard.
3rd, huge structure.As common large flange type sealing, flange and end cap are very thick, and not temperature compensated adjustment.
4th, structure often ftractures, dangerous, difficult in maintenance.
So, applicant have developed a kind of assembling quality that can improve bobbin carriage for above-mentioned defect, structure is simple, good seal performance, the hermetically-sealed construction of the tube header of tube-type heat exchanger of overall manufacturing cost can also be reduced simultaneously, sealing structure includes tube header section, bobbin carriage end cap, be arranged at the sphere film seal disc between the end of tube header section and bobbin carriage end cap, sphere film seal disc includes the plain cushion side ring being arranged at middle sphere diaphragm and the globally outer circumferential side setting of diaphragm, the end of tube header section is fixedly connected with by stud nut 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, the second step face that seam step comprises First terrace and is 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 the First terrace of seam step and the outer circumferential side of plain cushion side ring, 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, be provided with in first closure gasket groove and the second closure gasket groove and there is flexible metallic packing ring.Employing has flexible metallic packing ring and matches with closure gasket groove and carry out dual-seal, two cell wall actings in conjunction with the closure gasket groove that flexible metallic packing ring can be simultaneously corresponding with it carry out further pinch seal to produce micro-swelling distortion, mutually act synergistically between the two, there is not the offseting phenomenon of mutual interference effect and sealing force, there is the function compensated mutually; But, the processing of the closure gasket groove in said structure is comparatively complicated, 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 grooves to arrange in pairs or groups at least two there is flexible metallic packing ring to realize good sealing effectiveness.
Further, applicant attempts to adopt and the end of tube header section and plain cushion side ring are directly welded to realize tightening seal is between the two connected, but find that directly welding is larger 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 the maintenance in actual use and use.
To sum up, applicant improves in conjunction with diaphragm seal technology and tube header of tube-type heat exchanger end Problems existing again, researches and develops a kind of tube case end part sealing structure of improvement, has very far-reaching and great meaning in field of engineering technology.
Summary of the invention
The object of the application is to avoid weak point of the prior art and provides a kind of damage can avoiding directly welding the bobbin carriage end peace pad side ring brought, repeated multiple timesly can use, utilization rate is high, structure is simple, the manufacturing cycle is short, cost is low simultaneously, good seal performance, improve the lip weldering hermetically-sealed construction of the tube header of tube-type heat exchanger of the assembling quality of bobbin carriage further.
The object of the application is achieved through the following technical solutions:
providea kind of tube header of tube-type heat exchanger hermetically-sealed construction, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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 with described pad lip by described case lip.
preferably,the pad lip of 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 to be more than or equal to 0 ° and are 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 of the end setting of described tube header section are set to be more than or equal to 0 ° and are less than or equal to 90 °.
it is preferred,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 described plain cushion side ring tightening seal with described axially pad lip by described axial case lip.
it is preferred,angle between described pad lip protrusion direction and the axial direction of tube header section is set to 90 °, and this pad lip is radial 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 case lip; The end of described tube header section is connected with described plain cushion side ring tightening seal with described radial direction pad lip by described radial case lip.
it is preferred,angle between described pad lip protrusion direction and the axial direction of tube header section is set to be greater than 0 ° and is 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 to be greater than 0 ° and is 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 with described tilting pad lip by described dump box lip.
it is preferred,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 to be greater than 0 ° and is 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 with described tilting pad lip by described axial case lip.
above-mentioned,described case lip is arranged at the sealing seam step of the end of described tube header section.
above-mentioned,the pad lip of protrusion that described plain cushion side ring is arranged and the overall structure of the integrated setting of described plain cushion side ring, or the pad lip of the protrusion of described plain cushion side ring setting and described plain cushion side ring are split type assembly welding combining structure.
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 combining structure.
further providea kind of tube header of tube-type heat exchanger hermetically-sealed construction, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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 radial 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 pad lip of protrusion that described plain cushion side ring is arranged and the overall structure of the integrated setting of described plain cushion side ring, or the pad lip of the protrusion of described plain cushion side ring setting and described plain cushion side ring are split type assembly welding combining structure.
additionally providea kind of tube header of tube-type heat exchanger hermetically-sealed construction, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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 case lip; The end of described tube header section is connected with described diaphragm seal dish tightening seal by described radial case lip.
it is preferred,described radial case lip is processed 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 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 combining structure.
the beneficial effect of the application:
A kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, comprise 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 with described pad lip by described case 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 direct welding of original bobbin carriage end peace pad side ring is changed into the welding of the convex lip of case lip and/or pad lip, avoid the damage of directly welding to bobbin carriage end peace pad side ring, and convex lip can repeated multiple timesly use, improve utilization rate, this tube header of tube-type heat exchanger hermetically-sealed construction integrates various structures advantage simultaneously, and the easy maturation of its designing technique, good seal performance, structure is simple, the manufacturing cycle is short, cost is low, can further improve the assembling quality of bobbin carriage.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish, 4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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 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 a kind of tubular heat exchanger of the prior art.
Fig. 2 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 3 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 4 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 5 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 6 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 7 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 8 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Fig. 9 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Figure 10 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Figure 11 is wherein a kind of partial structurtes schematic diagram of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application.
Include in Fig. 1 to Figure 11:
1---heat exchanger tube, 2---tube bank, 3---shell, 4---bobbin carriage,
5---bobbin carriage end, 6---end cap,
7---diaphragm seal dish, 71---diaphragm, 72---plain cushion side ring,
8---O shape ring, 9---seal weld, 10---stud nut,
11---axially padding lip, 12---axial case lip,
13---welded corner joint, 14---axial lip weldering, 15---footpath labiad weldering, 16---beveled lip weldering,
17---radial pad lip, 18---radial case lip,
19---tilting pad lip, 20---dump box lip.
Detailed description of the invention
With the following Examples the application is described in further detail.
embodiment 1
One of detailed description of the invention of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, shown in Fig. 7, include the diaphragm seal dish 7 between end and bobbin carriage end cap 6 being arranged at tube header section, diaphragm seal dish 7 includes the plain cushion side ring 72 being arranged at middle diaphragm 71 and arranging along the outer circumferential side of 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 hermetically-sealed construction of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application also possesses other basic structure of tube header of tube-type heat exchanger hermetically-sealed construction of the prior art.
The improvements of the application are: 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 with described pad lip by described case lip.Compared with prior art, the direct welding of original bobbin carriage end 5 and plain cushion side ring 72 is changed into the welding of the convex lip of case lip and pad lip, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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 protrusion that described plain cushion side ring 72 is arranged and the overall structure of the integrated setting of described plain cushion side ring 72, or the pad lip of the protrusion of described plain cushion side ring 72 setting and described plain cushion side ring 72 are split type assembly welding combining structure; 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 combining structure.Assembly welding combining structure can be the direct assembly welding of same material, also can be the assembly welding of foreign material by buffer layer material, when one of two lips highly reduce, move back to without lip, can need the material that seal weld 9 place first built-up welding one deck solderability is good thereon, another lip carries out seal weld 9 with overlay cladding again.In technique scheme, arbitrary in the overall structure of the integrated setting in end of case lip and the tube header section protruded or split type assembly welding combining structure, is connected with the arbitrary tightening seal in the overall structure of the integrated setting of plain cushion side ring 72 or split type assembly welding combining structure with the pad lip of protrusion.
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 carry out transition for different-thickness with middle diaphragm 71; Described case lip also can not be arranged at the sealing seam step of the end of described tube header section, then plain cushion side ring 72 is equal thickness transition with middle diaphragm 71.
The application specifically can be 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., comprise to the application mode such as dielectric heating or cooling, be particularly suitable for the operating mode that HTHP faces 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 hermetically-sealed construction of the application can be applicable to the structure 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
The detailed description of the invention two of a kind of tube header of tube-type heat exchanger hermetically-sealed construction 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 Fig. 9, the difference of the present embodiment and embodiment 1 is, the pad lip of 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 to be more than or equal to 0 ° and are 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 of the end setting of described tube header section are set to be more than or equal to 0 ° and are less than or equal to 90 °.
When angle between the 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 equals 0 °, pad lip protrudes along the axis of plain cushion side ring 72; When angle between the 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 equals 90 °, pad lip protrudes along the radial direction of plain cushion side ring 72; Angle between the 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 greater than 0 ° when being less than 90 °, and pad lip tilts to protrude along plain cushion side ring 72.
When angle between the protrusion direction of the case lip of the protrusion arranged when the end of described tube header section and the axial direction of tube header section is 0 °, case lip axially protrudes along bobbin carriage; When angle between the protrusion direction of the case lip of the protrusion arranged when the end of described tube header section and the axial direction of tube header section is 90 °, case lip protrudes along bobbin carriage radial direction; Angle between the protrusion direction of the case lip of the protrusion arranged when the end of described tube header section and the axial direction of tube header section for be greater than 0 ° be less than 90 ° time, case lip tilts to protrude along bobbin carriage.
Compared with prior art, original bobbin carriage end 5 and the single corner connection welding of plain cushion side ring 72 are changed into both radial convex lips welding, axial convex lip welding or the convex lip welding of inclination of 0 ° to 90 ° of tilting, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
The detailed description of the invention three of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.Shown in figure 2, Fig. 3 and Fig. 4, the difference of the present embodiment and embodiment 2 is, 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 with described axially pad lip by described axial case lip 12.Compared with prior art, original bobbin carriage end 5 and the single corner connection welding of plain cushion side ring 72 are changed into both axial convex lips welding, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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, shown in figure 2, above-mentioned axially pad lip extends to form integrated overall structure along the plane concordant with the outer peripheral face of plain cushion side ring 72, the split type setting in end of axial case lip 12 and tube header section, after being connected by welded corner joint 13 between the two, then by axial lip weldering 14 with axially pad lip and be welded to connect.The end of tube header section arranges sealing seam step, plain cushion side ring 72 is supported along height and the axial case lip 12 of bobbin carriage radial direction along the sealing seam step just in time arranged with the end of tube header section after the height of bobbin carriage radial direction superposes, wherein axial case lip 12 along the length of bobbin carriage axis be less than plain cushion side ring 72 along bobbin carriage axis length with axially pad the length sum of lip along bobbin carriage axis.The case lip of the protrusion that the disc of tube header section end part seal seam step is arranged is the combining structure with 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 suitable is more conducive to welding.When repeatedly overhauling after dismounting causes the case lip of protrusion to exhaust, again can make a circle case lip assembly welding and getting on, continuing to use.
Concrete, shown in figure 3, the end of tube header section arranges sealing seam step, above-mentioned axial case lip 12 arranges integrated axial case lip 12 along with the step surface that bobbin carriage axially parallels to axial protrusion of bobbin carriage, above-mentioned axially pad lip extends to form integrated overall structure along the plane concordant with the outer peripheral face of plain cushion side ring 72, the axial case lip 12 of integration welds 14 in outer face by axial lip with integrated axis pad lip and is tightly connected, plain cushion side ring 72 is supported along height and the axial case lip 12 of bobbin carriage radial direction along the sealing seam step just in time arranged with the end of tube header section after the height of bobbin carriage radial direction superposes, wherein axial case lip 12 along the length of bobbin carriage axis be less than plain cushion side ring 72 along bobbin carriage axis length with axially pad the length sum of lip along bobbin carriage axis.The case lip of the protrusion that the disc of tube header section end part seal seam step is arranged adopts the overall structure of tube header section integration.When repeatedly overhaul dismounting cause integration case lip exhaust after, again can make a circle case lip assembly welding and get on, continue use.
Concrete, shown in figure 4, the end of tube header section arranges sealing seam step, the transition face of step is inclined plane and on-plane surface, axial case lip 12 be not support and assembly welding at sealed step stop portion, but outwards to move to along the footpath of bobbin carriage near the inner side of the stud nut 10 of cylindrical at assembly welding to the end of tube header section, the axis pad lip 11 also corresponding extension of plain cushion side ring 72, carries out axial lip with the outer axial case lip 12 moved of the end of tube header section and welds 14 to reach sealing purpose.
embodiment 4
The detailed description of the invention four of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.Shown in figure 5, the difference of the present embodiment and embodiment 2 is, 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 radial pad lip 17, and radial 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 case lip 18, and radial case lip 18 is connected with the end unit-welded of tube header section; The radial direction pad lip 17 that the end of described tube header section is connected with described unit-welded by the radial case lip 18 that described unit-welded connects and described plain cushion side ring 72 footpath labiad weld 15 and realize tightening seal and be connected.Certainly, the radial case lip 18 of the above-mentioned unit-welded mentioned and the radial direction pad lip 17 of unit-welded also can be integral structure.Such as, shown in figure 9, middle diaphragm 71, plain cushion side ring 72 pads lip 17 be integral structure with radial, and namely three's formation integrally becomes diaphragm seal dish 7, now, diaphragm seal dish 7 along the height of bobbin carriage radial direction lower than the height of radial case lip 18.
Compared with prior art, original bobbin carriage end 5 and the single corner connection welding of plain cushion side ring 72 are changed into both radial convex lips welding, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish, 4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
The detailed description of the invention five of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.Shown in figure 6, the difference of the present embodiment and embodiment 2 is, the angle between described pad lip protrusion direction and the axial direction of tube header section is set to be greater than 0 ° and is 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 to be greater than 0 ° and is 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 with described tilting pad lip 19 by described dump box lip 20.
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 the inclined plane of dump box lip 20 with tilting pad lip 19, dump box lip 20 is supported beveled lip weldering 16 and is connected to realize tightening seal after superposing with tilting pad lip 19.
Compared with prior art, original bobbin carriage end 5 and the single corner connection welding of plain cushion side ring are changed into both to tilt the convex lip welding of the inclination of 0 ° to 90 °, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
The detailed description of the invention six of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.Shown in figure 7, the difference of the present embodiment and embodiment 2 is, 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 to be greater than 0 ° and is 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 with described tilting pad lip 19 by described axial case lip 12.Wherein, middle diaphragm 71, plain cushion side ring 72 are integral structure with tilting pad lip 19, and namely three is formed and integrally becomes diaphragm seal dish 7.The end of tube header section here does not arrange sealing seam step, only needs collocation seal groove and O shape ring 8 to carry out dual-seal.
Compared with prior art, original bobbin carriage end 5 and the single corner connection welding of plain cushion side ring 72 are changed into the welding of axial case lip 12 and tilting pad lip 19, not only facilitate welding and disassembling section, but also avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, simultaneously because convex lip can repeated multiple timesly weld, improve utilization rate, effectively extend its service life.Case lip and pad lip are provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
The detailed description of the invention seven of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, shown in figure 8, include the diaphragm seal dish 7 between end and bobbin carriage end cap 6 being arranged at tube header section, diaphragm seal dish 7 includes the plain cushion side ring 72 being arranged at middle diaphragm 71 and arranging along the outer circumferential side of 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 hermetically-sealed construction of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application also possesses other basic structure of tube header of tube-type heat exchanger hermetically-sealed construction of the prior art.
The improvements of the application are: 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 have directly and seal weld 9 is carried out in the end of tube header section, but carries out seal weld 9 by the end of its pad lip protruded and tube header section.Compared with prior art, the pad lip direct welding of original bobbin carriage end 5 and plain cushion side ring 72 being changed into protrusion welds with the end of tube header section, avoid the damage of directly welding bobbin carriage end 5 and plain cushion side ring 72, and convex lip can repeated multiple timesly use, improve utilization rate, this tube header of tube-type heat exchanger hermetically-sealed construction integrates various structures advantage simultaneously, the easy maturation of its designing technique, good seal performance, structure is simple, the manufacturing cycle is short, cost is low, can further improve the assembling quality of bobbin carriage.Pad lip is provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
The detailed description of the invention eight of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 7, in the present embodiment unaccounted feature, adopts the explanation in embodiment 7, no longer repeats at this.Shown in figure 8, the difference of the present embodiment and embodiment 7 is, described pad lip to protrude and angle between protrusion direction and the axial direction of tube header section is set to 90 ° along bobbin carriage radial direction, and this pad lip be radially pad lip 17; The end of described tube header section is provided with sealing seam step, and described plain cushion side ring 72 welds 9 by described radial direction pad lip 17 and the end part seal of tube header section and realizes tightening seal and be connected.Plain cushion side ring 72 does not have directly and seal weld 9 is carried out in the end of tube header section, but carries out seal weld 9 by its radial radial direction pad lip 17 protruded with the end of tube header section.
embodiment 9
The detailed description of the invention nine of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 7, in the present embodiment unaccounted feature, adopts the explanation in embodiment 7, no longer repeats at this.Shown in figure 8, the difference of the present embodiment and embodiment 7 is, the pad lip of protrusion that described plain cushion side ring 72 is arranged and the overall structure of the integrated setting of described plain cushion side ring 72, or the pad lip of the protrusion of described plain cushion side ring 72 setting and described plain cushion side ring 72 are split type assembly welding combining structure.The pad lip protruded adopts the overall structure integrated with plain cushion side ring 72.When repeatedly overhaul dismounting cause integration pad lip exhaust after, again can make a circle pad lip assembly welding and get on, continue use.And the combining structure of the pad lip protruded and plain cushion side ring 72 assembly welding, the material that both adopt can be different, and the structure near tube header section adopts high-strength material to be conducive to bearing high pressure, and remainder material welded with the intensity of diaphragm seal dish 7 suitable being more conducive to.When repeatedly overhauling after dismounting causes the pad lip of protrusion to exhaust, again can make a circle pad lip assembly welding and getting on, continuing to use.
embodiment 10
The detailed description of the invention ten of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, shown in figure 9, include the diaphragm seal dish 7 between end and bobbin carriage end cap 6 being arranged at tube header section, diaphragm seal dish 7 includes the plain cushion side ring 72 being arranged at middle diaphragm 71 and arranging along the outer circumferential side of 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 hermetically-sealed construction of tube header of tube-type heat exchanger of the prior art, and a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application also possesses other basic structure of tube header of tube-type heat exchanger hermetically-sealed construction of the prior art.
The improvements of the application are: 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 does not have directly and plain cushion side ring 72 carries out seal weld 9, but carries out seal weld 9 by the plain cushion side ring 72 of its case lip protruded and diaphragm seal dish 7.Compared with prior art, the direct 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 the damage of directly welding bobbin carriage end 5 and plain cushion side ring, and convex lip can repeated multiple timesly use, improve utilization rate, this tube header of tube-type heat exchanger hermetically-sealed construction integrates various structures advantage simultaneously, the easy maturation of its designing technique, good seal performance, structure is simple, the manufacturing cycle is short, cost is low, can further improve the assembling quality of bobbin carriage.Case lip is provided with suitable height or length, a bit of lip will be removed when overhaul of the equipments each time need pull down diaphragm seal dish 7,4mm bilabial is removed by each mounting or dismounting, the bilabial then arranging 20mm can provide overhauls loss 5 times, adds last without lip assembly welding, has 6 maintenance, the heat exchanger of normal operation once overhauls for 4 years, then the lip weldering hermetically-sealed construction of bobbin carriage then has 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
11 of the detailed description of the invention of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 10, in the present embodiment unaccounted feature, adopts the explanation in embodiment 10, no longer repeats at this.Shown in figure 9, the difference of the present embodiment and embodiment 10 is, described case lip protrudes along the radial direction of bobbin carriage, angle between its protrusion direction and axial direction of tube header section is set to 90 °, and this case lip is radial case lip 18; The end of described tube header section is connected with described diaphragm seal dish 7 tightening seal by described radial case lip 18.The end of tube header section does not have directly and plain cushion side ring 72 carries out seal weld 9, but carrying out seal weld 9 by its radial radial case lip 18 protruded with the plain cushion side ring 72 of diaphragm seal dish 7, the height of the plain cushion side ring 72 of this diaphragm seal dish 7 is less than the height of radial case lip 18 along bobbin carriage radial direction.
embodiment 12
12 of the detailed description of the invention of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 10, in the present embodiment unaccounted feature, adopts the explanation in embodiment 10, no longer repeats at this.With reference to shown in Figure 10 and Figure 11, the difference of the present embodiment and embodiment 10 is, described radial case lip 18 is processed 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 case lip 18.
Concrete, at the radial case lip 18 of the end inner circle assembly welding of tube header section, setting is moved in this radial case lip 18, its lateral surface is concordant with the lateral surface of the end of tube header section, do not exceed the lateral surface of this end, after eliminating welding stress heat treatment, on the interior radial case lip 18 moved, process three steps, with reference to shown in Figure 10, barrier film pad is installed on the seam step of maximum gauge, the radial case lip 18 inside moved and sealing side ring seal weld 9, finally at installation bobbin carriage end cap 6.When needs enter bobbin carriage, the step of largest diameter when prescinding barrier film pad, can be damaged, as long as a little bit smaller for the barrier film outside diameter processing cut off, be installed on second slightly a little bit smaller seam step of diameter, carry 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 of radial pad lip 17 at the very start, can arrange flexibly according to concrete actual conditions, and save material, Loss reducing, parts neatly can use as standard component and promote simultaneously.
Or with reference to shown in Figure 11, first barrier film pad is installed on the seam step of the minimum instead of largest diameter of diameter, the radial case lip 18 inside moved and sealing side ring seal weld 9, finally at installation bobbin carriage end cap 6.When needs enter bobbin carriage, prescind barrier film pad together with the step that diameter is minimum, the barrier film pad manufacturing diameter larger is installed on second slightly bigger seam step of diameter, carries out seal weld 9.By that analogy, when needs second time enters bobbin carriage, said process is repeated.
embodiment 13.
13 of the detailed description of the invention of a kind of tube header of tube-type heat exchanger hermetically-sealed construction of the application, the main technical schemes of the present embodiment is identical with embodiment 10, in the present embodiment unaccounted feature, adopts the explanation in embodiment 10, no longer repeats at this.Shown in figure 3, the difference of the present embodiment and embodiment 10 is, 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 combining structure.The case lip protruded adopts the overall structure integrated with the end of tube header section.When repeatedly overhaul dismounting cause integration case lip exhaust after, again can make a circle case lip assembly welding and get on, continue use.And the combining structure of the end assembly welding of the case lip protruded and tube header section, the material that both adopt can be different, and tube header section adopts high-strength material to be conducive to bearing high pressure, and the case lip strength of materials suitable being more conducive to welds.When repeatedly overhauling after dismounting causes the case lip of protrusion to exhaust, again can make a circle case lip assembly welding and getting on, continuing to use.
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 (14)
1. a tube header of tube-type heat exchanger hermetically-sealed construction, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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 with described pad lip by described case lip.
2. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 1, is characterized in that: the pad lip of 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 to be more than or equal to 0 ° and are 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 of the end setting of described tube header section are set to be more than or equal to 0 ° and are less than or equal to 90 °.
3. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 2, is characterized 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 described plain cushion side ring tightening seal with described axially pad lip by described axial case lip.
4. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 2, is characterized 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 radial 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 case lip; The end of described tube header section is connected with described plain cushion side ring tightening seal with described radial direction pad lip by described radial case lip.
5. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 2, it is characterized in that: the angle between described pad lip protrusion direction and the axial direction of tube header section is set to be greater than 0 ° and is less than 90 °, this pad lip is tilting pad lip; Angle between described case lip protrusion direction and the axial direction of tube header section is set to be greater than 0 ° and is 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 with described tilting pad lip by described dump box lip.
6. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 2, is characterized in that: the angle between described case lip protrusion direction and the axial direction of tube header section is set to 0 °, this case lip is axial case lip; Angle between described pad lip protrusion direction and the axial direction of tube header section is set to be greater than 0 ° and is 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 with described tilting pad lip by described axial case lip.
7. a kind of tube header of tube-type heat exchanger hermetically-sealed construction as claimed in any of claims 1 to 6, is characterized 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 hermetically-sealed construction, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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.
9. a kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 8, is characterized 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 radial 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 kind of tube header of tube-type heat exchanger hermetically-sealed construction according to claim 1 or 8, it is characterized in that: the pad lip of protrusion that described plain cushion side ring is arranged and the overall structure of the integrated setting of described plain cushion side ring, or the pad lip of the protrusion of described plain cushion side ring setting and described plain cushion side ring are split type assembly welding combining structure.
11. 1 kinds of tube header of tube-type heat exchanger hermetically-sealed constructions, include the diaphragm seal dish between end and bobbin carriage end cap being arranged at tube header section, diaphragm seal dish includes the plain cushion side ring being arranged at middle diaphragm and arranging along the outer circumferential side of 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.
12. a kind of tube header of tube-type heat exchanger hermetically-sealed constructions according to claim 11, is characterized in that: the angle between described case lip protrusion direction and the axial direction of tube header section is set to 90 °, this case lip is radial case lip; The end of described tube header section is connected with described diaphragm seal dish tightening seal by described radial case lip.
13. a kind of tube header of tube-type heat exchanger hermetically-sealed constructions according to claim 12, it is characterized in that: described radial case lip is processed 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 case lip.
14. a kind of tube header of tube-type heat exchanger hermetically-sealed constructions according to claim 1 or 11, 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 combining structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183699.XU CN204718472U (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183699.XU CN204718472U (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
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| CN204718472U true CN204718472U (en) | 2015-10-21 |
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| CN201520183699.XU Withdrawn - After Issue CN204718472U (en) | 2015-03-30 | 2015-03-30 | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776749A (en) * | 2015-03-30 | 2015-07-15 | 茂名重力石化机械制造有限公司 | Tube box seal structure for tube type heat exchangers |
-
2015
- 2015-03-30 CN CN201520183699.XU patent/CN204718472U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776749A (en) * | 2015-03-30 | 2015-07-15 | 茂名重力石化机械制造有限公司 | Tube box seal structure for tube type heat exchangers |
| 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 |
| WO2016155582A1 (en) * | 2015-03-30 | 2016-10-06 | 茂名重力石化机械制造有限公司 | Tube heat exchanger tube-header sealing structure |
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