CN100417911C - Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way - Google Patents
Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way Download PDFInfo
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- CN100417911C CN100417911C CNB021464421A CN02146442A CN100417911C CN 100417911 C CN100417911 C CN 100417911C CN B021464421 A CNB021464421 A CN B021464421A CN 02146442 A CN02146442 A CN 02146442A CN 100417911 C CN100417911 C CN 100417911C
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- heat exchanger
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- leak
- pressure strip
- back pressure
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Abstract
The present invention relates to a plate heat exchanger with an external channel and a welded structure in a novel sealing way. A sealing spacer for an internal channel and an external channel is arranged at an angle hole among heat exchanger fin boxes that are sealed by welding at the periphery, and a leakage-proof observation hole that is sealed by welding is arranged in the middle of the sealing spacer; after the plate heat exchanger is assembled, the leakage-proof observation hole is in relative sealed state to media both of the internal channel and the external channel and is communicated with the outside, and users can check whether the spacer is sealed or not by observing if heat exchanger media exist in the leakage-proof observation hole; meanwhile, the clamping width between a front clamping plate and a rear clamping plate can be effectively changed on the premise of ensuring that the external channel is sealed so as to regulate different pressing degrees on the sealing spacer, and thereby, the working pressure, the working temperature, the reliability and the application range of the plate heat exchanger are greatly raised.
Description
Technical field
The present invention relates to a kind of heat exchanger, relate in particular to a kind of plate type heat exchanger.
Background technology
Have outer tunnel and a welded plate type heat exchanger at various, its weak point is; Because the integral sealing of outer tunnel, make place, hole, internal channel angle be difficult to observe the true sealing state of Qi Jiao hole gasket seal in actual applications with the structure of gasket seal sealing, along with the product continuity of service time, because the aging or sclerosis that this place, hole, angle gasket seal is possible, add existing product structure be difficult in adjust effectively in the process that product uses place, hole, diagonal angle gasket seal different compress seal degree, so existing product structure can not guarantee the positiver sealing effect of hole, angle gasket seal effectively.
Summary of the invention
What the purpose of this invention is to provide a kind of novel seal mode has outer tunnel and a welded plate type heat exchanger, Qi Jiao hole gasket seal is in use and under the condition that guarantees this plate type heat exchanger operate as normal sealing, can check the sealing condition of place, Qi Jiao hole gasket seal at any time, judge thus whether the sealing pad at this place, hole, plate type heat exchanger angle needs it is compressed sealing again or changes the sealing pad.
Another object of the present invention is to state on the implementation after the purpose, in order to make this place, hole, angle its reliable sealing effect of gasket seal can obtain continuity as much as possible, after this plate type heat exchanger is in use looked into by the sight of place, hole, diagonal angle gasket seal, can accomplish that the difference of adjusting place, hole, diagonal angle gasket seal effectively compresses degree, guarantees the positiver sealing effect of place, hole, angle gasket seal.
The present invention realizes like this; A kind of novel seal mode have outer tunnel and welded plate type heat exchanger includes: the heat exchanger fin box, guide rod, fishbolt, the front and back pressure strip, it is characterized in that: periphery is with it is group up and down in having outside the hole, internal channel angle that exists between each heat exchanger fin box of welded seal, the outer course gasket seal, in this, the anti-leak peep hole of useful welded seal in the middle of the outer course gasket seal, for this reason, also there is this to be group on the relative position of front and back pressure strip the anti-leak that exists is observed through hole, behind product final assemble, anti-leak peep hole on each heat exchanger fin box all is in internally, the outer flow passage medium is the state of sealing relatively, and by observation through hole of the anti-leak on the pressure strip relative position of front and back and exterior, by observe whether have in this hole heat transferring medium judge outside, each hole, angle in, its sealing effectiveness of outer course gasket seal judges whether to tackle in this thus, the outer course gasket seal compresses sealing again or changes.
For can adjust effectively outside, each hole, angle in, the degree that compresses that the outer course gasket seal is different, and for the positiver sealing of this plate type heat exchanger outer tunnel and outer flow passage, between front and back pressure strip and the fishbolt left side plate is arranged, be close to the side of forming the heat exchanger plates bundle by some heat exchanger fin boxes, with the right angle securing member that has the Long Circle through hole and right angle gasket seal and trip bolt that left side plate and front and back pressure strip is fastening, sealing, the width of left side plate is less than the clamping width of being made of the heat exchanger plates bundle the heat exchanger fin box, leave between left side plate and the front and back pressure strip be convenient to constantly compress in, the space of outer course gasket seal, simultaneously, product is added with fastener hole up and down and also is the cover plate up and down of Long Circle through hole and cover plate for sealing pad, when product final assemble, and pressure strip is internal before and after in this plate type heat exchanger use, after the outer course gasket seal constantly compressed and moves, cover plate and cover plate for sealing pad always can be accomplished to comprise the effective sealing of parallel sealing end face up and down of right angle securing member to the front and back pressure strip and to left side plate up and down.
Special heat exchange requirement in the face of some heat transferring medium, can be on each heat exchanger fin box with regard to same heat transferring medium, make simultaneously and have two groups reaching two groups of forms to hole, above internal channel angle, inside and outside road gasket seal and anti-leak peep hole and anti-leak peep hole seal-weld are all arranged on each hole, angle, also have two groups on the pressure strip of corresponding front and back to reaching two groups to above anti-leak observation through hole, wherein a certain heat transferring medium can adopt from the mode of cover plate turnover up and down and carry out heat exchange.
In addition, on the heat exchanger fin box and on a platen formula heat exchanger, anti-leak peep hole and anti-leak are observed shape, quantity, size and the position of through hole and are not limit, and can reach any suitable place on the pressure strip of corresponding front and back on the heat exchanger fin box between the inside and outside road gasket seal.Simultaneously, inside and outside road gasket seal can also all be designed to have multi-sealed form.Advantage of the present invention and good effect are:
1, in this plate type heat exchanger uses and guarantee to check at any time under the prerequisite of operate as normal sealing that the Qi Jiao hole locates the sealing state of inside and outside road gasket seal.
2, can constantly compress the inside and outside road gasket seal at place, hole, angle, guarantee that adjusted inside and outside road gasket seal has reliable sealing effect.
3, the sealing of outer flow passage and outer tunnel adopts similar flange gasket to compress the form of sealing, pressure strip is for constantly compressing the seal request after inside and outside road gasket seal moves before and after can satisfying, can bear various working environments such as high temperature, high pressure, and advantages such as it is stable to have airtight quality, and sealing effectiveness is lasting, sealing is with low cost.
4, the high efficient heat exchanging mode that has kept plate type heat exchanger.
5, still have advantages such as removable, replaceable, capable of washing, changeable heat exchange area.
6, can be made into same effluent, angular flux, multipaths and outer tunnel mouth are in any mode that is suitable for the heat transferring medium heat exchange and flows.
7, because to locate the sealing area of inside and outside road gasket seal limited the hole, angle, the gasket seal shape is more regular, encapsulant can variation be selected also can be designed to multi-sealed form, sealing effectiveness is reliable, the operating temperature of product and operating pressure and raising that highly significant all will be arranged on the scope of application and reliability and anti-leak level thus, even can adopt the lower material of aluminium, this class intensity of copper to make heat exchanger fin box and heat exchanger plates bundle, so that adapt to special heat transferring medium and reduce manufacturing cost.
8, alternative part shell and tube exchanger and pressure vessel are applied to oil, chemical industry, pharmacy, power engineering etc.
Description of drawings
Fig. 1, product final assemble solid, cross-sectional schematic:
Fig. 2, product final assemble are overlooked, cross-sectional schematic:
Fig. 3, same effluent, single group diagonal angle Kong Chu have inside and outside road gasket seal and have the heat exchanger fin box of anti-leak peep hole:
Fig. 4, two groups of diagonal angle Kong Chu inside and outside road gasket seal is arranged and have the heat exchanger fin box of anti-leak peep hole and a certain heat transferring medium from the general assembly of cover plate turnover up and down face, cross-sectional schematic:
The specific embodiment
As shown in the figure: in specific implementation process, fully weld together at periphery by the heat exchanger fin that has hole, internal channel angle above two, form the heat exchanger fin box 5 of a surrounding welded seal, the neighboring that is the place, hole, internal channel angle that forms a team to exist on the heat exchanger fin box 5 has in the placement, the groove of outer course gasket seal, road gasket seal 2 and outer course gasket seal 4 in these grooves, being placed with, in this, outer course gasket seal 2, anti-leak peep hole 21 is arranged in the middle of 4, the heat exchanger fin of each heat exchanger fin box 5 all has the hole of being convenient to welded seal at this peep hole place, mode with welding not only fully welds together two heat exchanger fins at periphery, simultaneously that the peep hole on these two heat exchanger fins is also welded together, make the peep hole periphery form the anti-leak peep hole seal-weld 1 of a ring-type, guarantee that heat transferring mediums different in heat transfer process can be from this hole seal-weld 1 and string chamber, heat exchanger fin box 5 circumferential weld places, mixed flow.On the relative position of front and back pressure strip 15,12, also there is this to be the anti-leak that is used for of forming a team to exist and observes through hole 16.Be clipped in the state that anti-leak peep hole 21 is in internally, the outer flow passage medium all seals relatively between the inside and outside road gasket seal 2,4 behind product final assemble, and by observation through hole 16 of the anti-leak on front and back pressure strip 15,12 relative positions and exterior, by observing inside and outside road gasket seal 2,4 its sealing effectiveness that whether have heat transferring medium to judge each outside, hole, angle in this hole 16,21, judge whether that thus this inside and outside road gasket seal 2,4 of reply compresses sealing or replacing again.In addition, on the heat exchanger fin box 5 and on a platen formula heat exchanger, anti-leak peep hole 21 and anti-leak are observed shape, quantity, size and the position of through hole 16 and are not limit, and can reach any suitable place on the corresponding front and back pressure strip 15,12 on the heat exchanger fin box 5 between the inside and outside road gasket seal 2,4.
The assembling of this plate type heat exchanger and trace routine are: reach the preceding pressure strip 15 and the back pressure strip 12 that have anti-leak observation through hole 16 on relative position with guide rod 20 and guide rod frame 11 and set up framework, road gasket seal 2 in will having, outer course gasket seal 4 and anti-leak peep hole 21, the heat exchanger fin box 5 of anti-leak peep hole seal-weld 1 is installed on the interior guide rod 20 of framework by the box boundling, with fishbolt 10 with preceding pressure strip 15, back pressure strip 12 and be equipped with in, outer course gasket seal 2,4 heat exchanger fin box 5 tightens together, then internal channel and inner flow passage are carried out the hydraulic pressure sealing detection, observe anti-leak peep hole 16, whether the medium that spills is arranged in 21, the sealing effectiveness of road gasket seal 2 in the examination, and the welded seal effect of investigation anti-leak peep hole seal-weld 1 and heat exchanger fin box 5 surroundings, allow repair welding.After the internal channel leak detection is qualified left plate 3, right plate 14 are installed between front and back pressure strip 15,12 and the fishbolt 10, be close to the heat exchanger plates bundle side of forming by some heat exchanger fin boxes 5,, with trip bolt 13 that left side plate 3,14 and right angle securing member 8 and right angle gasket seal is 7 fastening then, seal with the right angle securing member 8 that has oval fastening through-hole and right angle gasket seal 7 and trip bolt 13 earlier with right angle securing member 8 and right angle gasket seal 7 and 15,12 fastening, the sealings of front and back pressure strip.The width of left side plate 3,14 is formed the clamping width of heat exchanger plates bundle less than heat exchanger fin box 5, leave between left side plate 3,14 and the front and back pressure strip 15,12 and be convenient to constantly compress the space that inside and outside road gasket seal 2,4 is located in the hole, angle, pressure strip 15,12 moves before and after being convenient to.For preventing to flow through the minim gap possible between the heat exchanger plates bundle side that heat transferring medium directly forms from left side plate 3,14 and by some heat exchanger fin boxes 5, form the short circuit of heat transferring medium, can fill heat exchanging medium and heat exchange effect at the import and export up and down of this clearance channel and not have the obstruction material of ill-effect and be fixed.The upper cover plate 6, lower cover 19 that will have a Long Circle fastening through-hole and cover plate for sealing pad 9 usefulness trip bolts are 13 fastening, be sealed in before and after pressure strip 15,12 and left side plate 3,14 comprise the right angle securing member 8 about on the parallel seal face, and with guide rod seal 18 that guide rod 20 and front and back pressure strip is 15,12 fastening, seal.Access road and outer flow passage carry out the hydraulic pressure sealing detection then, observe simultaneously in the anti-leak peep hole 16,21 whether the medium that spills is arranged, the sealing effectiveness of examination outer course gasket seal 4.Because front and back pressure strip 15, the sealed width of 12 upper-lower seal end faces is limited, may be unsuitable for having the cover plate up and down 6 of Long Circle fastening through-hole, 19 and the sealing of cover plate for sealing pad 9, for this reason can be at front and back pressure strip 15, the outside of 12 upper-lower seal end faces is added sealing and is widened bar 17, sealing is widened the sealing surface and the front and back pressure strip 15 of bar 17,12 upper-lower seal end faces are in same plane, pressure strip 15 before and after being convenient to, 12 general assembly and front and back pressure strip 15, in 12 pairs, outer course gasket seal 2,4 constantly compress move after, cover plate 6 up and down, 19 and cover plate for sealing pad 9 on the positiver sealing of Long Circle fastening through-hole.
For satisfying the special heat exchange requirement of some heat transferring medium, can be on each heat exchanger fin box 5 with regard to same heat transferring medium, make simultaneously and have two groups reaching two groups of forms to hole, above internal channel angle, inside and outside road gasket seal 2,4 and anti-leak peep hole 21 and anti-leak peep hole seal-weld 1 are all arranged on each hole, angle, also have two groups on the corresponding front and back pressure strip 15,12 to reaching two groups to above anti-leak observation through hole 16, wherein a certain heat transferring medium can adopt from the mode of cover plate 6,19 turnover up and down and carry out heat exchange.
In addition, inside and outside road gasket seal 2,4 can also be designed to have multi-sealed form.
In the use of product, as find to have in the anti-leak peep hole 16,21 heat transferring medium to flow out, the clamping width of pressure strip 15,12 reduced before and after available mode of constantly tightening fishbolt 10 made, and reached constantly to compress the purpose that inside and outside road gasket seal 2,4 guarantees its sealing effectiveness.Before constantly tightening fishbolt 10, should unclamp and be fastened on right angle securing member 8 and right angle gasket seal 7 and left side plate 3, trip bolt 13 on 14, unclamp simultaneously and be fastened on cover plate 6 up and down, 19 and cover plate for sealing part 9 on trip bolt 13, after constantly tightening fishbolt 10, should fastening again all trip bolts 13, and internally, outer flow passage is done the hydraulic pressure sealing detection respectively, examination is constantly tightened fishbolt 10 and is made front and back pressure strip 15, after 12 clamping width reduces, in, outer course gasket seal 2,4 sealing effectiveness, and the cover plate for sealing part 9 of useful trip bolt 13 sealings of examination institute and the sealing effectiveness of right angle gasket seal 7, guarantee the sealing and the normal use of product.As constantly tighten fishbolt 10 make before and after the clamping width of pressure strip 15,12 reduce to after the minimum value of regulation and still have heat transferring medium to flow out in the anti-leak peep hole 16,21, should consider to change inside and outside road gasket seal 2,4 this moment.
In the process of product final assemble and use, anti-leak on front and back pressure strip 15,12 is observed in the through hole 16, can pass fishbolt 10 in the anti-leak peep hole 21 on heat exchanger fin box 5 simultaneously, play the effect of fastening inside and outside road gasket seal 2,4, but by the anti-leak on the front and back pressure strip 15,12 being observed through hole 16 when fastening, should leave the space that conveniently to flow out for the medium of observing and may leak from inside and outside road gasket seal 2,4 at fishbolt 10 two ends.
In the process of product final assemble, anti-leak on front and back pressure strip 15,12 is observed in the through hole 16, can pass guide rod 20 in the anti-leak peep hole 21 on heat exchanger fin box 5 simultaneously, play the effect of general assembly heat exchanger fin box 5, can cancel guide rod seal 18 and can cancel guide rod frame 11 simultaneously this moment on this guide rod 20, but by the anti-leak on the front and back pressure strip 15,12 being observed through hole 16 when fastening, should leave the space that conveniently to flow out for the medium of observing and may leak from inside and outside road gasket seal 2,4 at guide rod 20 two ends.
Claims (6)
- A novel seal mode have outer tunnel and welded plate type heat exchanger includes: heat exchanger fin box (5), guide rod (20), fishbolt (10), front and back pressure strip (15,12), it is characterized in that: periphery is with it is group up and down in having outside the hole, internal channel angle that exists between each heat exchanger fin box (5) of welded seal, outer course gasket seal (2,4), in this, outer course gasket seal (2,4) the anti-leak peep hole (21) of useful welded seal in the middle of, for this reason, front and back pressure strip (15,12) also there is this to be group on the relative position anti-leak that exists is observed through hole (16), behind product final assemble, anti-leak peep hole (21) on each heat exchanger fin box (5) all is in internally, the outer flow passage medium is the state of sealing relatively, and by front and back pressure strip (15,12) anti-leak on the relative position is observed through hole (16) and exterior.
- 2. plate type heat exchanger as claimed in claim 1, it is characterized in that: front and back pressure strip (15,12) and between the fishbolt (10) left side plate (3 is arranged, 14), be close to the side of forming the heat exchanger plates bundle by some heat exchanger fin boxes (5), with the right angle securing member (8) that has the Long Circle through hole and right angle gasket seal (7) and trip bolt (13) with left side plate (3,14) with front and back pressure strip (15,12) fastening, sealing, left side plate (3,14) width is less than the clamping width of being made of the heat exchanger plates bundle heat exchanger fin box (5), left side plate (3,14) with front and back pressure strip (15,12) leave between be convenient to constantly compress in, outer course gasket seal (2,4) space, simultaneously, product is added with fastener hole up and down and also is the cover plate up and down of Long Circle through hole (6,19) and cover plate for sealing pad (9), when product final assemble, and pressure strip (15 before and after in this plate type heat exchanger use, 12) internal, outer course gasket seal (2,4) constantly compress and move after, cover plate (6 up and down, 19) and cover plate for sealing pad (9) to front and back pressure strip (15,12) reach left side plate (3,14) comprise right angle securing member (8) effective sealing of parallel sealing end face up and down.
- 3. plate type heat exchanger according to claim 1 is characterized in that: inside and outside road gasket seal (2,4) has multi-sealed form.
- 4. plate type heat exchanger according to claim 1 and 2 is characterized in that: heat exchanger fin box (5) is gone up same heat transferring medium, make simultaneously and have two groups reaching two groups of forms to hole, above internal channel angle, inside and outside road gasket seal (2,4) and anti-leak peep hole (21) and anti-leak peep hole seal-weld (1) are all arranged on each hole, angle, also have two groups on the corresponding front and back pressure strip (15,12) to reaching two groups to above anti-leak observation through hole (16), wherein another heat transferring medium adopts from the mode of cover plate (6,19) turnover up and down and carries out heat exchange.
- 5. plate type heat exchanger according to claim 1 and 2 is characterized in that: the anti-leak on front and back pressure strip (15,12) is observed in the through hole (16), pass fishbolt (10) in the anti-leak peep hole (21) on heat exchanger fin box (5) simultaneously,, leave by the anti-leak on the front and back pressure strip (15,12) being observed through hole (16) when fastening at fishbolt (10) two ends for observing and from the convenient space of flowing out of medium that inside and outside road gasket seal (2,4) may leak.
- 6. plate type heat exchanger according to claim 1 and 2 is characterized in that: the anti-leak on front and back pressure strip (15,12) is observed in the through hole (16), pass guide rod (20) in the anti-leak peep hole (21) on heat exchanger fin box (5) simultaneously, at this guide rod (20) two ends the anti-leak on the front and back pressure strip (15,12) is observed through hole (16) when fastening, leave for observing and from the convenient space of flowing out of medium that inside and outside road gasket seal (2,4) may leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021464421A CN100417911C (en) | 2002-11-07 | 2002-11-07 | Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021464421A CN100417911C (en) | 2002-11-07 | 2002-11-07 | Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1499165A CN1499165A (en) | 2004-05-26 |
| CN100417911C true CN100417911C (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021464421A Expired - Fee Related CN100417911C (en) | 2002-11-07 | 2002-11-07 | Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100417911C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960250B (en) * | 2008-04-14 | 2012-08-29 | 世元世龙技术株式会社 | Gasket, reactor using the same for spiral sealing and manufacturing method thereof |
| CN102236062A (en) * | 2010-04-30 | 2011-11-09 | 英业达股份有限公司 | Radiation module of laptop and insulation detecting method thereof |
| DE102012222019A1 (en) * | 2012-11-30 | 2014-06-05 | Sgl Carbon Se | Plate heat exchanger in sealed construction |
| CN106247830A (en) * | 2016-09-08 | 2016-12-21 | 泉州惠安博派信息技术有限公司 | A kind of plate heat exchanger |
| CN111579163A (en) * | 2020-04-17 | 2020-08-25 | 洛阳双瑞精铸钛业有限公司 | Method for online overhauling inner leakage of plate heat exchanger |
| CN112146491A (en) * | 2020-09-18 | 2020-12-29 | 南通中益环境科技有限公司 | Heat exchanger capable of effectively guaranteeing heat exchange efficiency and machining process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4416391A1 (en) * | 1994-05-10 | 1995-11-16 | Schmidt Bretten Gmbh | Plate heat exchanger |
| KR100212129B1 (en) * | 1996-04-22 | 1999-08-02 | 윤종용 | Speaker system for television receiver |
| CN2597936Y (en) * | 2002-11-07 | 2004-01-07 | 缪志先 | Closed plate-heat exchanger |
-
2002
- 2002-11-07 CN CNB021464421A patent/CN100417911C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4416391A1 (en) * | 1994-05-10 | 1995-11-16 | Schmidt Bretten Gmbh | Plate heat exchanger |
| KR100212129B1 (en) * | 1996-04-22 | 1999-08-02 | 윤종용 | Speaker system for television receiver |
| CN2597936Y (en) * | 2002-11-07 | 2004-01-07 | 缪志先 | Closed plate-heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1499165A (en) | 2004-05-26 |
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Granted publication date: 20080910 Termination date: 20121107 |