CN104819652B - Multimedium is around heat exchange of heat pipe - Google Patents
Multimedium is around heat exchange of heat pipe Download PDFInfo
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- CN104819652B CN104819652B CN201510228621.XA CN201510228621A CN104819652B CN 104819652 B CN104819652 B CN 104819652B CN 201510228621 A CN201510228621 A CN 201510228621A CN 104819652 B CN104819652 B CN 104819652B
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Abstract
The invention discloses a kind of multimedium in field of heat exchangers around heat exchange of heat pipe, its casing center is provided with a stay tube, stay tube includes movable set outlet together and inlet tube, outlet is connected with the tube sheet center of one end, inlet tube is connected with the tube sheet center of the other end, it is isolated through dividing plate between outlet and inlet tube, tube sheet is correspondingly provided with outlet and inlet tube shell side inlet box and shell-side outlet case, outlet and inlet tube and is provided with outlet opening and inlet hole near corresponding tubesheet location；Helical bundle with one heart around being contained in outside support pipe, adjacent layer helical bundle oppositely oriented, if each helical bundle include dry doubling around spiral single tube, helical bundle is vacated on the spiral of every 360 ° the position of a spiral single tube.During work, vacancy forms, with the vacancy of an outer helical layer tube bank, the runner radially connected, and can form vortex disturbance, break layer stream mode, improve heat exchange efficiency.It is in hypermedia heat exchange.
Description
Technical field
The present invention relates to a kind of heat-exchange device, particularly to a kind of hypermedia heat-exchanger rig.
Background technology
Of the prior art around heat exchange of heat pipe, its structure mainly includes housing, housing two ends are provided with tube sheet, be provided with between two tube sheets in housing Spiral distribution around pipe, be divided into multilamellar around pipe, leave gap between layers, this structure causes when heat exchange, lacking convection current inside and outside between layers, the medium of shell side is easily formed laminar flow, makes heat exchange efficiency reduce.
For overcoming the problems referred to above, prior art also has a kind of spiral winding pipe array heat exchanger, its number of patent application: 201410606421.9, application publication number: CN 104296564 A, Shen Qing Publication day: 2015.01.21, its structure mainly includes heat exchanger shell, described heat exchanger shell is respectively arranged at two ends with shell flange, the sidewall of described heat exchanger shell is provided with two connecting pipe of shell, the adapter elbow being tightly connected connecting pipe of shell described in two respectively it is provided with in described heat exchanger shell, described in two, adapter elbow is separately installed with tube sheet, heat exchanger tube core it is provided with between tube sheet described in two；Heat exchanger tube core includes one layer or the multi-layer helical pipe ring bundle being set with successively, every layer of described spiral pipe ring bundle is provided with some lists and props up serpentine pipe, in spiral pipe ring bundle described in same layer, together, described list props up the two ends of serpentine pipe and is separately mounted on corresponding described tube sheet in single the mutual intercalation of serpentine pipe described in adjacent two.It is disadvantageous in that: this apparatus structure is complicated, manufactures difficulty.
Summary of the invention
It is an object of the invention to provide a kind of multimedium around heat exchange of heat pipe so that it is can carry out heat exchange between medium, it is easily manufactured simultaneously, can overcome the defect forming laminar flow around heat exchange of heat pipe.
The object of the present invention is achieved like this: a kind of multimedium is around heat exchange of heat pipe, including housing, housing two ends are provided with tube sheet, tube sheet is provided with some plate holes, some helical bundles it are provided with in housing, described plate hole is divided into some groups, the each group of corresponding one group of import header box of plate hole and outlet header box, import header box and outlet header box seal and are fixed on tube sheet, described casing center is provided with a stay tube, stay tube includes movable set outlet together and inlet tube, outlet is connected with the tube sheet center of one end, inlet tube is connected with the tube sheet center of the other end, it is isolated through dividing plate between outlet and inlet tube, it is correspondingly provided with shell-side outlet case and shell-side outlet case with outlet and inlet tube on tube sheet, outlet and inlet tube are provided with outlet opening and inlet hole near corresponding tubesheet location；Housing is provided with expansion joint；Helical bundle is with one heart around being contained in outside support pipe, helical bundle be provided with some support bars between layers, adjacent layer helical bundle oppositely oriented, if each helical bundle include dry doubling around spiral single tube, the two ends of the different spiral single tubes in same helical bundle are respectively connecting in the plate hole of different group, helical pitch S=(n+1 of helical bundle) P, wherein, n is the head number of the spiral single tube in each helical bundle, P is the pitch of each helical bundle so that vacate the position of a spiral single tube on the spiral of every 360 °.
When the present invention works, by multi-start helical tubes and around, it is passed through different media in different serpentine pipes, shell side uses another kind of medium, form multimedium heat exchange, helical pitch S=(n+1 due to helical bundle) P, that is and around time, vacate the position of a spiral single tube all the time, this vacancy forms, with the vacancy of an outer helical layer tube bank, the runner radially connected, when the liquid stream of shell side flows through this vacancy, can form vortex disturbance, the liquid stream of internal layer can break the laminar condition of interflow with the liquid stream mixing of outer layer, make it become turbulent flow, thus improve heat exchange efficiency.In the course of the work, can relatively slide between outlet and inlet tube, it matches with expansion joint, can not only keep overall holding state, moreover it is possible to adapts to helical bundle and expands with heat and contract with cold deformation in the axial direction.The outlet temperature of the various different mediums enabling to tube side reaches unanimity, its good effect of heat exchange, and compact conformation is easily manufactured.This device can be used in hypermedia heat exchange.
As a further improvement on the present invention, described each group of plate hole is evenly distributed on around tube sheet center.So can arrange import header box and outlet header box easily, be difficult to wrong pipeline.
For just manufacturing, described support bar is welded to connect with internal layer helical bundle.Support bar is welded to connect on the helical bundle of inner side so that can be with displaced posi between internal layer tube bank and outer layer tube bank, it is ensured that it has the space expanded with heat and contract with cold, simultaneously, it is simple to outer layer is restrained by the way of coiling around being contained in outside inner tube bundle.
It further improvement is that, described dividing plate interval in a stay tube is welded with two pieces.Dividing plate can isolate the Dead space of a stay tube, it is to avoid is trapped in Dead space by liquid.
For ensureing the liquid stream energy uniformly dispersing of shell side, described inlet hole is uniform along inlet tube circumference, and described outlet opening is uniform along outlet circumference.
For ease of fixing, described support bar circular cross-section, it is prone to welding.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the fundamental diagram of the present invention.
Fig. 3 is the A-A direction view of Fig. 1.
Wherein, 1 outlet header box one, 2 expansion joints, 3 housings, 4 helical bundles, helical layer single tube in 4a, the outer helical layer single tube of 4b, 5 support bars, 6 vacancies, 7 outlets, 8 plate holes two, 9 tube sheets two, 10 import header boxs one, 11 outlet openings, 12 shell-side outlet casees, 13 import header boxs two, 14 dividing plates, 15 inlet tubes, 16 plate holes one, 17 tube sheets one, 18 outlet header boxs two, 19 shell-side outlet casees, 20 inlet holes.
Detailed description of the invention
nullAs Figure 1-3，For a kind of multimedium around heat exchange of heat pipe，Including housing 3，Housing 3 two ends are provided with tube sheet，It is respectively tube sheet 1 and tube sheet 29，Tube sheet 1 is provided with some plate holes 1，Tube sheet 29 is provided with some plate holes 28，Some helical bundles 4 it are provided with in housing 3，Plate hole 1 and plate hole 28 correspondence are divided into four groups，The each group of corresponding one group of import header box of plate hole and outlet header box，As indicated in figs. 1 and 3，Each group plate hole is evenly distributed on around the center of tube sheet 1 and tube sheet 29，Import header box 1 is corresponding with outlet header box 1 and sealing is fixed on tube sheet，Import header box 2 13 is the most corresponding with outlet header box 2 18 and sealing is fixed on tube sheet，The most corresponding connection of remaining import header box and outlet header box，Housing 3 center is provided with a stay tube，Stay tube includes that movable set outlet 7 together and inlet tube 15 are constituted，Outlet 7 is connected with the center of tube sheet 29，Inlet tube 15 is connected with the center of tube sheet 1，It is isolated through dividing plate 14 between outlet 7 and inlet tube 15，Dividing plate 14 is interval with two in a stay tube，It is correspondingly provided with shell-side outlet case 12 and shell side inlet box 19 with outlet 7 and inlet tube 15 on tube sheet，Outlet 7 and inlet tube 15 are provided with outlet opening 11 and inlet hole 20 near corresponding tubesheet location，Inlet hole 20 is uniform along inlet tube 15 circumference，Outlet opening 11 is uniform along outlet 7 circumference；Housing 3 is provided with expansion joint 2；Helical bundle 4 with one heart around being contained in outside support pipe, helical bundle 4 be provided with some support bars 5, support bar 5 circular cross-section between layers, support bar is welded to connect with internal layer helical bundle.Adjacent layer helical bundle 4 oppositely oriented, if each helical bundle 4 include dry doubling around spiral single tube, the two ends of the different spiral single tubes in same helical bundle 4 are respectively connecting in the plate hole of different group, helical pitch S=(n+1 of helical bundle) P, wherein, n is the head number of the spiral single tube in each helical bundle 4, and P is the pitch of each helical bundle, make to vacate on the spiral of every 360 ° the position of a spiral single tube, form vacancy 6.
During the work of this device, the heat transferring medium of shell side such as hot water, can enter from shell side inlet box 19, subsequently in inlet tube 15, owing to there being the stop of dividing plate 14, hot water can be from inlet hole 20 uniformly dispersing, enter in housing 3, the passage formed between helical bundle 4 the most respectively passes, and finally enters in outlet 7 from outlet opening 11, then from shell-side outlet case 12 separating device.Multiple different medium to be heated enters from different import header boxs respectively, then respectively enters in respective spiral single tube, after heat exchange abundant with hot water, then leaves from corresponding outlet header box.In said process, helical pitch S=(n+1 due to helical bundle 4) P, that is and around time, all the time the position of a spiral single tube is vacated, form vacancy 6, as in figure 2 it is shown, interior helical layer single tube 4a and outer helical layer single tube 4b all has 4 pipes, its helical pitch is 5 pitch, intermediate formation vacancy 6, this vacancy 6 forms the runner radially connected, and when the liquid stream of shell side flows through this vacancy 6, can form vortex disturbance, the liquid stream of internal layer can be with the liquid stream mixing of outer layer, break the laminar condition of interflow so that it is become turbulent flow, thus improve heat exchange efficiency.Simultaneously so that the medium temperature in each spiral single tube reaches unanimity so that overall outlet temperature is more uniform.Additionally, in the course of the work, can relatively slide between outlet 7 and inlet tube 15, it matches with expansion joint 2, can not only keep overall holding state, moreover it is possible to adapt to the deformation expanded with heat and contract with cold in the axial direction of helical bundle 4.
The invention is not limited in above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; need not performing creative labour and some of which technical characteristic just can be made some replacements and deformation, these are replaced and deformation is the most within the scope of the present invention.
Claims (6)
1. a multimedium is around heat exchange of heat pipe, including housing, housing two ends are provided with tube sheet, tube sheet is provided with some plate holes, some helical bundles it are provided with in housing, it is characterized in that: described plate hole is divided into some groups, the each group of corresponding one group of import header box of plate hole and outlet header box, import header box and outlet header box seal and are fixed on tube sheet, described casing center is provided with a stay tube, stay tube includes movable set outlet together and inlet tube, outlet is connected with the tube sheet center of one end, inlet tube is connected with the tube sheet center of the other end, it is isolated through dividing plate between outlet and inlet tube, it is correspondingly provided with shell-side outlet and case shell side inlet box with outlet and inlet tube on tube sheet, outlet and inlet tube are provided with outlet opening and inlet hole near corresponding tubesheet location；Housing is provided with expansion joint；Helical bundle is with one heart around being contained in outside support pipe, helical bundle be provided with some support bars between layers, adjacent layer helical bundle oppositely oriented, if each helical bundle include dry doubling around spiral single tube, the two ends of the different spiral single tubes in same helical bundle are respectively connecting in the plate hole of different group, helical pitch S=(n+1 of helical bundle) P, wherein, n is the head number of the spiral single tube in each helical bundle, P is the pitch of each helical bundle so that vacate the position of a spiral single tube on the spiral of every 360 °.
Multimedium the most according to claim 1 is around heat exchange of heat pipe, it is characterised in that: described each group of plate hole is evenly distributed on around tube sheet center.
Multimedium the most according to claim 1 is around heat exchange of heat pipe, it is characterised in that: described support bar is welded to connect with internal layer helical bundle.
4. according to the multimedium described in claim 1-3 any one around heat exchange of heat pipe, it is characterised in that: described dividing plate interval in a stay tube is welded with two pieces.
5. according to the multimedium described in claim 1-3 any one around heat exchange of heat pipe, it is characterised in that: described inlet hole is uniform along inlet tube circumference, and described outlet opening is uniform along outlet circumference.
6. according to the multimedium described in claim 1-3 any one around heat exchange of heat pipe, it is characterised in that: described support bar circular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510228621.XA CN104819652B (en) | 2015-05-07 | 2015-05-07 | Multimedium is around heat exchange of heat pipe |
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| CN201510228621.XA CN104819652B (en) | 2015-05-07 | 2015-05-07 | Multimedium is around heat exchange of heat pipe |
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| CN104819652B true CN104819652B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105066739B (en) * | 2015-08-27 | 2017-08-08 | 山东艾孚特科技有限公司 | A kind of polypropylene chemical process multimedium heat exchanger and heat-exchange method |
| CN109253634A (en) * | 2017-07-13 | 2019-01-22 | 大连东方亿鹏设备制造有限公司 | A kind of wrap-round tubular heat exchanger |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL159781B (en) * | 1970-06-16 | 1979-03-15 | Werner & Pfleiderer | WORM HEAT EXCHANGER. |
| NL1004639C2 (en) * | 1996-11-28 | 1998-05-29 | Fasto Nefit Bv | Cylindrical heating device with helical heat transfer member. |
| CN2380887Y (en) * | 1998-05-18 | 2000-05-31 | 孟继安 | Cyclone efficient heat-exchanger |
| FR2788590B1 (en) * | 1999-01-14 | 2001-06-08 | Sirven | HEAT EXCHANGER, ESPECIALLY FOR MANURE PREHEATING |
| CN2729627Y (en) * | 2004-09-21 | 2005-09-28 | 岳阳市中达机电有限公司 | Auto-descaling heat exchanger |
| DE102008056810B4 (en) * | 2008-11-11 | 2011-11-24 | Pierburg Gmbh | Cooling device for an internal combustion engine |
| RU2378594C1 (en) * | 2008-12-18 | 2010-01-10 | Иван Федорович Пивин | Heat exchanger |
| CN102042770A (en) * | 2009-10-12 | 2011-05-04 | 北京先锋创新科技发展有限公司 | Heat exchanger consisting of internal and external fin heat exchange tubes |
| CN204665975U (en) * | 2015-05-07 | 2015-09-23 | 镇江飞利达电站设备有限公司 | Multimedium is around heat exchange of heat pipe |
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Effective date of registration: 20190715 Address after: 212000 No. 116 Ganglong Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Zhenjiang Asahi Machinery Equipment Co., Ltd. Address before: Yangzhong City Development Zone, Jiangsu city of Zhenjiang province 212215 Hong Kong Road No. 128 Patentee before: Zhenjiang Feida Equipment of Hydropower Station Co., Ltd. |