CN2446487Y - Floating end structure of floating heat exchanger - Google Patents
Floating end structure of floating heat exchanger Download PDFInfo
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- CN2446487Y CN2446487Y CN 00251682 CN00251682U CN2446487Y CN 2446487 Y CN2446487 Y CN 2446487Y CN 00251682 CN00251682 CN 00251682 CN 00251682 U CN00251682 U CN 00251682U CN 2446487 Y CN2446487 Y CN 2446487Y
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- floating
- flange
- floating head
- ladder type
- steel ring
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Abstract
The utility model relates to a floating end structure of a floating head type heat exchanger. The inner side surface of the flange at the outer head cover side is provided with a concave type or ladder type sealing surface, and the outer side adjacent to the sealing surface is provided with screw holes or is welded with a plurality of threaded rods which are uniformly distributed; a hook ring and relative components are canceled at the point of the floating head; the outer side surface of a floating head tube plate is provided with a dual sealing structure of an original concave type and a newly ladder type grooves, and screw holes or a plurality of welded threaded rods are uniformly distributed between two sealing grooves; the utility model is provided with a floating head cover for a floating head flange, which is matched with the sealing groovesof the floating head tube plate, the floating head cover is in direct connection with the floating head tube plate and is sealed; the utility model is additionally provided with an auxiliary steel ring, wherein, one end of which is connected and sealed with the inner side surface of the flange at the outer head cover side and the other end is sealed with the original concave type groove or an excircle of the floating head tube plate.
Description
The utility model relates to a kind of heat-exchange apparatus, especially movable tube sheets heat exchanger floating head end structure.
At present, existing movable tube sheets heat exchanger floating head end structure is made up of the silk hole in cylinder, outer skull side flange, floating tubesheet, hook circle, floating head and outer skull and the ZL patent No. 98244082.0, auxiliary steel ring etc., the face-flange that steel ring adopts in this structure causes leakage with the silk hole with the bolt ease of connection, and performance difficulty; The floating head place clamps floating tubesheet with the hook circle and Floating Head Flange makes its sealing, it is bulky complex not only, and under work condition state because of the difference of each parts swell increment, easily make the bolt of fastening hook circle produce loosening and cause leakage between floating tubesheet and Floating Head Flange, in case reveal, two kinds of different media will mix mutually in pipe, the shell side, cause the generation of technology accident, handle leakage and must cut off flow process again, remove outer skull, behind the tight bolt of heat, the outer skull of assembling is very much a trouble again.
The purpose of this utility model provides a kind of movable tube sheets heat exchanger and raises the nose above water to breathe end structure, and it can not only prevent the interior leakage raised the nose above water to breathe, and can make maintenance or pressure testing simple, safe and reliable.
The purpose of this utility model is achieved in that skull side flange medial surface is established matrix or ladder type sealing surface outside, and in that to establish a plurality of screw rods near sealing surface outside boring and mantle fiber or weldering uniform, floating head place cancellation hook circle and related components, the floating tubesheet seal groove is a former concave groove and in addition to open at same end face be the center of circle with this tube sheet center, radius is a bit larger tham the ladder type groove of restraining external diameter, and tube sheet branch journey groove only is connected with the ladder type groove, and is not connected with concave groove; To establish a plurality of screw rods uniform for boring and mantle fiber or weldering between matrix and ladder type groove, if Floating Head Flange is convex and ladder type boss double containment, pass partition communicates with the ladder type boss and is positioned at the full face flange of same end face, and convex and ladder type boss and pass partition are respectively with floating tubesheet matrix and ladder type groove and divide the journey groove corresponding coupling, this Floating Head Flange is welded as floating head with the assembly of no flanging sphere end socket, the silk hole or the screw rod assembly mutually of its flange screw and floating tubesheet, with bolt or fastening floating tubesheet matrix and ladder type groove and branch journey groove and the pad thereof of compressing of nut, this structure can suitably strengthen the thickness of floating tubesheet and the internal diameter of diameter and cylinder in case of necessity, and simultaneously corresponding change strengthens the size of related components; Other disposes the auxiliary steel ring of a no external force, its circle body internal diameter is greater than the floating tubesheet external diameter, steel ring one end manages blue be connected with outer skull side flange medial surface matrix or ladder type sealing surface and seal, and the other end is managed orchid or other structures and the former concave groove of floating tubesheet and pad or cylindrical thereof and sealed.
Floating head is the single component that the no flanging sphere end socket of Floating Head Flange external diameter double containment full face flange identical with floating tubesheet and corresponding diameter reduction welds mutually, the floating head of this footpath diameter reduction its length that will extend, the length of the outer skull of lengthening simultaneously is with the assurance circulation volume of tube side and the swell increment of floating head.
When maintenance or pressure testing, remove outer skull and floating head, the assembly steel ring, steel ring does not have any additonal pressure and is hollow circle tube floating tubesheet and heat exchanger tube, its circle body internal diameter is greater than the floating tubesheet external diameter, steel ring one end is established convex or ladder type boss sealing narrow face flange, the other end is established external diameter and is slightly smaller than steel ring body internal diameter, screw is in the seal boss inboard, and seal boss is convex sealing inner bolt hole Floating Head Flange or other structure that is complementary with the former concave groove of floating tubesheet, the circle body outside is provided with a plurality of reinforcement gussets, inside and inflow hydrograph, water intaking valve and drop out line, atmospheric valve is connected.
Following three kinds of modes are established in the floating head end of movable tube sheets heat exchanger and steel ring assembling:
1. steel ring one end is established convex or trapezoid boss sealing narrow face flange, and its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; The other end is established convex sealing inner bolt hole Floating Head Flange, its flange screw and floating tubesheet silk hole or screw rod assembly mutually, compress the former concave groove of floating tubesheet and pad makes its sealing with bolt or nut are fastening, the inner bolt hole Floating Head Flange pack into be in the steel ring circle body free state and with its welding, stand-by with gas cutting or emery wheel dismounting after maintenance or the pressure testing, other structure of steel ring is constant.
2. steel ring one end is established convex or ladder type boss sealing narrow face flange, and its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; Other end cancellation flange is a cylinder, the direct and floating tubesheet cylindrical welding of this end, and stand-by with gas cutting or emery wheel dismounting after maintenance or the pressure testing, other structure of steel ring is constant.
3. steel ring one end is established convex or ladder type boss sealing narrow face flange, and its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; Other end cancellation flange is established the setting-in hermetically-sealed construction, the ladder type rubber ring that is complementary with ladder-type trough is housed in ladder-type trough, by shell side hydraulic pressure extruding ladder type circle distortion in the steel ring body, be adjacent to the floating tubesheet cylindrical and make its sealing between its ladder type rubber ring and floating tubesheet cylindrical, other structure of steel ring is constant.
According to such scheme, floating tubesheet and silk hole or screw rod be one directly and floating head be fastenedly connected and seal, thereby each parts will expand synchronously, has effectively prevented leakage; When maintenance or pressure testing, that assembles pre-configured or field fabrication does not have the additional external force steel ring to floating tubesheet and heat exchanger tube, form the shell side annular seal space, utilize the import and export of shell side or steel ring, can purge shell side at the scene or clean the heat exchanger tube outer wall, can check simultaneously the tightness of heat exchanger tube and floating tubesheet junction, during pressure testing, the pressure testing water is through inflow hydrograph, water intaking valve enters shell side, drop out line, the tightness of heat exchanger tube and floating tubesheet junction is checked and handled to atmospheric valve exhaust emptying by the steel ring endoporus, after the treated or pressure testing, remove steel ring, floating head and outer skull are installed.
Owing to adopt such scheme, can prevent the interior leakage raised the nose above water to breathe, used steel ring is not only simple in structure, and cost is low, and makes maintenance or pressure testing simple, safe and reliable, especially equipment is switched frequently, and easily fouling, coking and high-temperature high-pressure apparatus have more superiority.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a movable tube sheets heat exchanger floating head end structure schematic diagram of the present utility model
Fig. 2 is that floating tubesheet is connected with floating head, outer skull side flange is established matrix sealing surface and screw position schematic diagram
Fig. 3 is that floating tubesheet is connected with floating head, outer skull side flange is established ladder type sealing surface and screw position schematic diagram
Fig. 4 is the steel ring structure schematic diagram that two end flanges connect end convex sealing
Fig. 5 is the steel ring structure schematic diagram that two end flanges connect end ladder type boss sealing
Fig. 6 is the steel ring two end flanges schematic diagrames that are linked and packed
Fig. 7 is that steel ring one end flanges connects, the other end and floating tubesheet welding assembling schematic diagram
Fig. 8 is that steel ring one end flanges connects, the other end and floating tubesheet interlocking assembling schematic diagram
Among the figure: 1. cylinder 2. heat exchanger tubes 3. outer skull side flange 4. matrix sealing surfaces 5. pad A 6. trapezoidal sealing surfaces 7. pad B 8. screw rod A 9. nut A 10. floating tubesheets 11. concave grooves 12. are raised the nose above water to breathe 14. minutes journey groove 15. floating head pad B of pad A 13. trapezoidal grooves, 16. screw rod B, 17. nut B, 18. Floating Head Flange, 19. pass partitions, 20. screws 21. without flanging sphere end socket 22. floating heads 23. outer skull 24. narrow face flange A 25. narrow face flange B 26. screws 27. inner bolt hole Floating Head Flange 28. inner bolt holes 29. reinforcement gussets 30. steel rings 31. dovetail grooves 32. ladder type rubber rings 33. water intaking valves 34. atmospheric valves
Embodiment one,
In Fig. 1 .2.3, it is uniform that skull side flange (3) medial surface is established matrix or ladder type sealing surface (4) (6) and screw rod A (8) outside, at the former concave groove of floating tubesheet (10) (11) with newly establish between the ladder type groove (13) weldering to establish screw rod B (16) uniform, the double containment Floating Head Flange (18) that external diameter is identical with floating tubesheet (10), be welded as floating head (22) mutually with no flanging sphere end socket (21), obviously its diameter is less than original structure, be the circulation volume of assurance tube side and the swell increment of floating head, want the length of corresponding lengthening floating head (22) and outer skull (23), screw rod B (16) assembly mutually of the screw (20) of Floating Head Flange (18) and floating tubesheet (10), compress concave groove (11) and raise the nose above water to breathe pad A (12) and ladder type groove (13) with nut B (17) is fastening, branch journey groove (14) and floating head pad B (15) make its sealing, this structure upward is one because of screw rod B (16) is arranged on floating tubesheet (10), directly be connected with floating head (22), each parts is expanded synchronously, seal more effective, in the enforcement if because of the limitation of size, can suitably strengthen the thickness of floating tubesheet (10) and the internal diameter of diameter and cylinder (1), simultaneously corresponding change strengthens the size of related components.
Embodiment two,
In Fig. 1 .2.3.4.5.6, when maintenance or pressure testing, remove outer skull (23) and floating head (22), assembly steel ring (30), steel ring (30) one end narrow face flange A, screw rod A (8) assembly mutually of the screw (26) of B (24) (25) and outer skull side flange (3) medial surface, with fastening matrix or ladder type sealing surface (4) (6) and the pad A of compressing of nut A (9), B (5) (7), screw rod B (16) assembly mutually of the inner bolt hole (28) of other end inner bolt hole Floating Head Flange (27) and floating tubesheet (10), compress concave groove (11) and raise the nose above water to breathe pad A (12) with nut B (17) is fastening, inner bolt hole Floating Head Flange (27) is packed in steel ring (30) cylinder and its welding, form the shell side annular seal space, utilize shell side or steel ring (30) to import and export (33) (34), can purge the outer wall of shell side or cleaning heat exchanger tube (2) at the scene, also can check the tightness of heat exchanger tube (2) and floating tubesheet (10) junction simultaneously, so that handle.During pressure testing, the pressure testing water enters shell side through inflow hydrograph water intaking valve (33), and drop out line, atmospheric valve (34) exhaust emptying are by the endoporus inspection of inner bolt hole Floating Head Flange (27) and the tightness of processing tube bank and heat exchanger tube (2) and floating tubesheet (10) junction.After the treated or pressure testing, the excision weld bond is removed steel ring (30), and floating head (22) and outer skull (23) are installed.
Embodiment three,
In Fig. 1 .2.3.4.5.7, the screw (26) of steel ring (30) one end narrow face flange A, B (24) (25) and screw rod A (8) assembly mutually of outer skull side flange (3) medial surface, with fastening matrix or ladder type sealing surface (4) (6) and pad A, the B (5) (7) of compressing of nut A (9), other end cancellation flange is a cylinder, direct and floating tubesheet (10) the cylindrical welding of this end, substitute with gas welding cutting or emery wheel dismounting after the pressure testing, other is with embodiment two.
Embodiment four,
In Fig. 1 .2.3.4.5.8, the screw (26) of steel ring (30) one end narrow face flange A, B (24) (25) and screw rod A (8) assembly mutually of outer skull side flange (3) medial surface, with fastening matrix or ladder type sealing surface (4) (6) and pad A, the B (5) (7) of compressing of nut A (9), other end cancellation flange is established the setting-in hermetically-sealed construction, ladder type rubber ring (32) is housed in ladder-type trough (31) and between the floating tubesheet cylindrical, shell side hydraulic pressure extruding ladder type rubber ring (32) distortion in the circle body, be adjacent to floating tubesheet (10) cylindrical and make its sealing, other is with embodiment two.
Claims (6)
1. a novel movable tube sheets heat exchanger is raised the nose above water to breathe end structure, it comprises cylinder, outer skull side flange, floating tubesheet, the hook circle, floating head, outer skull and silk hole, compositions such as steel ring, it is characterized in that: skull side flange medial surface is established matrix or ladder type sealing surface outside, and in that to establish a plurality of screw rods near sealing surface outside boring and mantle fiber or weldering uniform, floating head place cancellation hook circle and related components, the floating tubesheet seal groove is a former concave groove and in addition to open at same end face be the center of circle with this tube sheet center, radius is a bit larger tham the ladder type groove of restraining external diameter, and tube sheet branch journey groove only is connected with the ladder type groove, and is not connected with concave groove; To establish a plurality of screw rods uniform for boring and mantle fiber or weldering between matrix and ladder type groove, if Floating Head Flange is convex and ladder type boss double containment, pass partition communicates with the ladder type boss and is positioned at the full face flange of same end face, and convex and ladder type boss and pass partition are respectively with floating tubesheet matrix and ladder type groove and divide the journey groove corresponding coupling, this Floating Head Flange is welded as floating head with the assembly of no flanging sphere end socket, the silk hole or the screw rod assembly mutually of its flange screw and floating tubesheet, with bolt or fastening floating tubesheet matrix and ladder type groove and branch journey groove and the pad thereof of compressing of nut, this structure can suitably strengthen the thickness of floating tubesheet and the internal diameter of diameter and cylinder in case of necessity, and simultaneously corresponding change strengthens the size of related components; Other disposes the auxiliary steel ring of a no external force, its circle body internal diameter is greater than the floating tubesheet external diameter, steel ring one end manages blue be connected with outer skull side flange medial surface matrix or ladder type sealing surface and seal, and the other end is managed orchid or other structures and the former concave groove of floating tubesheet and pad or cylindrical thereof and sealed.
2. according to claim 1 described novel movable tube sheets heat exchanger floating head end structure, it is characterized in that: floating head is the single component that the no flanging sphere end socket of Floating Head Flange external diameter double containment full face flange identical with floating tubesheet and corresponding diameter reduction welds mutually, the floating head of this footpath diameter reduction its length that will extend, the length of the outer skull of lengthening simultaneously is with the assurance circulation volume of tube side and the swell increment of floating head.
3. according to claim 1 described novel movable tube sheets heat exchanger floating head end structure, it is characterized in that: when maintenance or pressure testing, remove outer skull and floating head, the assembly steel ring, steel ring does not have any additonal pressure and is hollow circle tube floating tubesheet and heat exchanger tube, its circle body internal diameter is greater than the floating tubesheet external diameter, steel ring one end is established convex or ladder type boss sealing narrow face flange, the other end is established external diameter and is slightly smaller than steel ring body internal diameter, screw is in the seal boss inboard, and seal boss is convex sealing inner bolt hole Floating Head Flange or other structure that is complementary with the former concave groove of floating tubesheet, the circle body outside is provided with a plurality of reinforcement gussets, inside and inflow hydrograph, water intaking valve and drop out line, atmospheric valve is connected.
4. according to claim 1,3 described novel movable tube sheets heat exchangers floating head end structures, it is characterized in that: steel ring one end is established convex or trapezoid boss sealing narrow face flange, its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; The other end is established convex sealing inner bolt hole Floating Head Flange, its flange screw and floating tubesheet silk hole or screw rod assembly mutually, compress the former concave groove of floating tubesheet and pad makes its sealing with bolt or nut are fastening, the inner bolt hole Floating Head Flange pack into be in the steel ring circle body free state and with its welding, stand-by with gas cutting or emery wheel dismounting after maintenance or the pressure testing, other structure of steel ring is constant.
5. according to claim 1,3 described novel movable tube sheets heat exchangers floating head end structures, it is characterized in that: steel ring one end is established convex or ladder type boss sealing narrow face flange, its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; Other end cancellation flange is a cylinder, the direct and floating tubesheet cylindrical welding of this end, and stand-by with gas cutting or emery wheel dismounting after maintenance or the pressure testing, other structure of steel ring is constant.
6. according to claim 1,3 described novel movable tube sheets heat exchangers floating head end structures, it is characterized in that: steel ring one end is established convex or ladder type boss sealing narrow face flange, its flange screw and outer skull side flange silk hole or screw rod assembly mutually are with bolt or fastening outer skull side flange medial surface matrix or ladder type sealing surface and the pad thereof of compressing of nut; Other end cancellation flange is established the setting-in hermetically-sealed construction, the ladder type rubber ring that is complementary with ladder-type trough is housed in ladder-type trough, by shell side hydraulic pressure extruding ladder type circle distortion in the steel ring body, be adjacent to the floating tubesheet cylindrical and make its sealing between its ladder type rubber ring and floating tubesheet cylindrical, other structure of steel ring is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251682 CN2446487Y (en) | 2000-09-14 | 2000-09-14 | Floating end structure of floating heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251682 CN2446487Y (en) | 2000-09-14 | 2000-09-14 | Floating end structure of floating heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN2446487Y true CN2446487Y (en) | 2001-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00251682 Expired - Fee Related CN2446487Y (en) | 2000-09-14 | 2000-09-14 | Floating end structure of floating heat exchanger |
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| CN (1) | CN2446487Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915235A (en) * | 2010-08-16 | 2010-12-15 | 黑龙江建龙钢铁有限公司 | Method and device thereof for overhauling, pressurizing and detecting air compressor chillers |
| CN103673693A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel crude oil normal-pressure tower top oil-gas heat exchanger |
| CN101688763B (en) * | 2007-04-11 | 2014-08-20 | 贝洱两合公司 | Heat exchanger |
| CN107084887A (en) * | 2017-06-20 | 2017-08-22 | 沈阳汇博热能设备有限公司 | Demountable tube beam tube journey reliability pressure testing device |
-
2000
- 2000-09-14 CN CN 00251682 patent/CN2446487Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688763B (en) * | 2007-04-11 | 2014-08-20 | 贝洱两合公司 | Heat exchanger |
| US9097466B2 (en) | 2007-04-11 | 2015-08-04 | MAHLE Behr GmbH & Co. KG | Heat exchanger |
| CN101915235A (en) * | 2010-08-16 | 2010-12-15 | 黑龙江建龙钢铁有限公司 | Method and device thereof for overhauling, pressurizing and detecting air compressor chillers |
| CN103673693A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel crude oil normal-pressure tower top oil-gas heat exchanger |
| CN107084887A (en) * | 2017-06-20 | 2017-08-22 | 沈阳汇博热能设备有限公司 | Demountable tube beam tube journey reliability pressure testing device |
| CN107084887B (en) * | 2017-06-20 | 2023-07-28 | 沈阳汇博热能设备有限公司 | Detachable tube bundle tube side reliability pressure testing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |