CN104819652A - Multi-medium coiled tube heat exchanger - Google Patents
Multi-medium coiled tube heat exchanger Download PDFInfo
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- CN104819652A CN104819652A CN201510228621.XA CN201510228621A CN104819652A CN 104819652 A CN104819652 A CN 104819652A CN 201510228621 A CN201510228621 A CN 201510228621A CN 104819652 A CN104819652 A CN 104819652A
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Abstract
The invention discloses a multi-medium coiled tube heat exchanger in the field of heat exchangers. A support tube is arranged at the center of the casing and comprises an outlet tube body and an inlet tube body which are sleeved movably. The outlet tube body is connected with the center of a tube plate at one end, the inlet tube body is connected with the center of a tube plate at the other end, and the outlet tube body and the inlet tube body are separated by a separation plate. A shell pass inlet box and a shell pass outlet box are arranged on the tube plates corresponding to the outlet tube body and the inlet tube body, and an outlet and an inlet are formed in the positions of the outlet tube body and the inlet tube body close to the tube plates. Spiral tube bundles are wound on the outside of the support tube concentrically, the spiral directions of every two adjacent layers of the spiral tube bundles are opposite, each spiral tube bundle comprises a plurality of parallel wound spiral single tubes, and a spiral single tube position is vacated in the spiral tube bundles every-360-degree screw. During the operation, a radial flowing channel is formed between the vacancy and a vacancy of the outer-layer spiral tube bundles to form eddy perturbance, and accordingly, the laminar flow state is broken, and the heat exchange efficiency is improved. The heat exchanger is used for multi-medium heat exchange.
Description
Technical field
The present invention relates to a kind of heat-exchange device, particularly the hypermedia heat-exchanger rig of one.
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 inherent two tube sheets of housing Spiral distribution around pipe, be divided into multilayer around pipe, leave gap between layers, this structure causes when heat exchange, lack convection current between layers, the medium of shell side is easy to form laminar flow, and heat exchange efficiency is reduced.
For overcoming the problems referred to above, a kind of spiral winding pipe array heat exchanger is also had in prior art, its number of patent application: 201410606421.9, application publication number: CN 104296564 A, Shen Qing Publication day: 2015.01.21, its structure mainly comprises heat exchanger shell, described heat exchanger shell two ends are respectively equipped with shell flange, the sidewall of described heat exchanger shell is provided with two connecting pipe of shell, the adapter elbow of the connecting pipe of shell described in two that is tightly connected respectively is provided with in described heat exchanger shell, described in two, adapter elbow is separately installed with tube sheet, heat exchanger tube core is provided with between tube sheet described in two, the multi-layer helical pipe ring bundle that heat exchanger tube core comprises one deck or is set with successively, every layer of described spiral pipe ring bundle is provided with some lists and props up helix tube, in spiral pipe ring bundle described in same layer, together, the two ends that described list props up helix tube are arranged on corresponding described tube sheet respectively in single the mutual intercalation of helix tube described in adjacent two.Its weak point is: this apparatus structure is complicated, manufactures difficulty.
Summary of the invention
The object of this invention is to provide a kind of multimedium around heat exchange of heat pipe, make it can carry out heat exchange between medium, it is easily manufactured, can overcome the defect forming laminar flow around heat exchange of heat pipe simultaneously.
The object of the present invention is achieved like this: a kind of multimedium is around heat exchange of heat pipe, comprise housing, housing two ends are provided with tube sheet, tube sheet is provided with some plate holes, some helical bundles are provided with in housing, described plate hole is divided into some groups, the corresponding one group of import header box of each group plate hole and outlet header box, import header box and the sealing of outlet header box are fixed on tube sheet, described casing center is provided with stay pipe, stay pipe comprises 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, isolated through dividing plate between outlet and inlet tube, correspondingly with outlet and inlet tube on tube sheet be provided with shell-side outlet case and shell-side outlet case, outlet and inlet tube are provided with outlet opening and inlet hole near corresponding tubesheet location, housing is provided with expansion joint, helical bundle installs around with one heart outside stay pipe, helical bundle be provided with some support bars between layers, the rotation direction of adjacent layer helical bundle is contrary, each helical bundle comprise some and around spiral single tube, the two ends of the different spiral single tubes in same helical bundle are connected in the plate hole of different group respectively, the 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, makes the position spiral of every 360 ° being vacated a spiral single tube.
When the present invention works, by multi-start helical tubes and around, different media is passed in different helix tube, shell side adopts another kind of medium, form multimedium heat exchange, helical pitch S=(n+1 due to helical bundle) P, that is and around time, all the time the position of a spiral single tube is vacated, the vacancy of this vacancy and outer one deck helical bundle forms the radial runner connected, when the liquid stream of shell side flows through this vacancy, vortex disturbance can be formed, the liquid of internal layer fails to be convened for lack of a quorum and the mixing of outer field liquid stream, break the laminar condition of interflow, it is made to become turbulent flow, thus raising heat exchange efficiency.In the course of the work, can relative sliding between outlet and inlet tube, it matches with expansion joint, can not only keep overall holding state, can also adapt to the distortion that helical bundle expands with heat and contract with cold in the axial direction.The outlet temperature of the various different mediums of tube side can be made to reach unanimity, its good effect of heat exchange, compact conformation, 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.Import header box and outlet header box, not easily wrong pipeline can be arranged so easily.
For just manufacturing, described support bar and internal layer helical bundle are welded to connect.Support bar is welded to connect on the helical bundle of inner side, internal layer is restrained and can displaced posi between outer tube bank, ensures that it has the space of expanding with heat and contract with cold, meanwhile, is convenient to outer tube bank and is installed around outside internal layer tube bank by the mode of coiling.
It improves further and is, described dividing plate interval in stay pipe is welded with two pieces.Dividing plate can isolate the idle space of stay pipe, avoids liquid to be trapped in idle space.
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 easy to welding.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is 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 joint, 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 hole two, 9 tube sheets two, 10 import header box one, 11 outlet openings, 12 shell-side outlet casees, 13 import header boxs two, 14 dividing plates, 15 inlet tubes, 16 plate hole one, 17 tube sheets one, 18 outlet header box two, 19 shell-side outlet casees, 20 inlet holes.
Detailed description of the invention
As Figure 1-3, for a kind of multimedium is around heat exchange of heat pipe, comprise housing 3, housing 3 two ends are provided with tube sheet, be 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 are provided with in housing 3, plate hole 1 and plate hole 28 correspondence are divided into four groups, the corresponding one group of import header box of each group plate hole and outlet header box, as indicated in figs. 1 and 3, each group of plate hole is evenly distributed on around the center of tube sheet 1 and tube sheet 29, import header box 1 and outlet header box 1 is corresponding and sealing is fixed on tube sheet, import header box 2 13 and outlet header box 2 18 is also corresponding and sealing is fixed on tube sheet, all the other import header boxs and outlet header box are also corresponding to be one by one connected, housing 3 center is provided with stay pipe, stay pipe comprises movable set outlet 7 together and inlet tube 15 is formed, outlet 7 is connected with the center of tube sheet 29, inlet tube 15 is connected with the center of tube sheet 1, isolated through dividing plate 14 between outlet 7 and inlet tube 15, dividing plate 14 is interval with two in stay pipe, correspondingly with outlet 7 and inlet tube 15 on tube sheet be provided with shell-side outlet case 12 and shell side inlet box 19, 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 installs around with one heart outside stay pipe, helical bundle 4 be provided with some support bars 5 between layers, support bar 5 circular cross-section, support bar and internal layer helical bundle are welded to connect.The rotation direction of adjacent layer helical bundle 4 is contrary, each helical bundle 4 comprise some and around spiral single tube, the two ends of the different spiral single tubes in same helical bundle 4 are connected in the plate hole of different group respectively, the 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 the position spiral of every 360 ° being vacated a spiral single tube, form vacancy 6.
During the work of this device, the heat transferring medium such as hot water of shell side, can enter from shell side inlet box 19, then enter in inlet tube 15, owing to there being the stop of dividing plate 14, hot water can from inlet hole 20 uniformly dispersing, enter in housing 3, then pass from the passage formed between helical bundle 4 respectively, finally enter 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 enters in respective spiral single tube respectively, after the abundant heat exchange of hot water, then leaves from the outlet header box of correspondence.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 shown in Figure 2, interior helical layer single tube 4a and outer helical layer single tube 4b all has 4 pipes, and its helical pitch is 5 pitch, middle formation vacancy 6, this vacancy 6 forms the radial runner connected, and when the liquid stream of shell side flows through this vacancy 6, can form vortex disturbance, the liquid of internal layer fails to be convened for lack of a quorum and the mixing of outer field liquid stream, break the laminar condition of interflow, make it become turbulent flow, thus improve heat exchange efficiency.Meanwhile, the medium temperature in each spiral single tube is reached unanimity, makes overall outlet temperature more even.In addition, in the course of the work, can relative sliding between outlet 7 and inlet tube 15, it matches with expansion joint 2, can not only keep overall holding state, can also adapt to the distortion of expanding with heat and contract with cold in the axial direction of helical bundle 4.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.
Claims (6)
1. a multimedium is around heat exchange of heat pipe, comprise housing, housing two ends are provided with tube sheet, tube sheet is provided with some plate holes, some helical bundles are provided with in housing, it is characterized in that: described plate hole is divided into some groups, the corresponding one group of import header box of each group plate hole and outlet header box, import header box and the sealing of outlet header box are fixed on tube sheet, described casing center is provided with stay pipe, stay pipe comprises 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, isolated through dividing plate between outlet and inlet tube, correspondingly with outlet and inlet tube on tube sheet be provided with shell-side outlet and case shell side inlet box, outlet and inlet tube are provided with outlet opening and inlet hole near corresponding tubesheet location, housing is provided with expansion joint, helical bundle installs around with one heart outside stay pipe, helical bundle be provided with some support bars between layers, the rotation direction of adjacent layer helical bundle is contrary, each helical bundle comprise some and around spiral single tube, the two ends of the different spiral single tubes in same helical bundle are connected in the plate hole of different group respectively, the 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, makes the position spiral of every 360 ° being vacated a spiral single tube.
2. multimedium according to claim 1 is around heat exchange of heat pipe, it is characterized in that: described each group of plate hole is evenly distributed on around tube sheet center.
3. multimedium according to claim 1 is around heat exchange of heat pipe, it is characterized in that: described support bar and internal layer helical bundle are welded to connect.
4. the multimedium according to claim 1-3 any one, around heat exchange of heat pipe, is characterized in that: described dividing plate interval in stay pipe is welded with two pieces.
5. the multimedium according to claim 1-3 any one, around heat exchange of heat pipe, is characterized in that: described inlet hole is uniform along inlet tube circumference, and described outlet opening is uniform along outlet circumference.
6. the multimedium according to claim 1-3 any one, around heat exchange of heat pipe, is characterized in that: described support bar circular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228621.XA CN104819652B (en) | 2015-05-07 | 2015-05-07 | Multimedium is around heat exchange of heat pipe |
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| 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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| CN104819652A true CN104819652A (en) | 2015-08-05 |
| CN104819652B CN104819652B (en) | 2016-08-17 |
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| CN201510228621.XA Active CN104819652B (en) | 2015-05-07 | 2015-05-07 | Multimedium is around heat exchange of heat pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| 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 |
Citations (9)
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|---|---|---|---|---|
| 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 |
| CN2729627Y (en) * | 2004-09-21 | 2005-09-28 | 岳阳市中达机电有限公司 | Auto-descaling heat exchanger |
| CA2360337C (en) * | 1999-01-14 | 2008-10-21 | Sirven | Heat exchanger, in particular for preheating liquid manure |
| RU2378594C1 (en) * | 2008-12-18 | 2010-01-10 | Иван Федорович Пивин | Heat exchanger |
| DE102008056810A1 (en) * | 2008-11-11 | 2010-05-20 | Pierburg Gmbh | Cooling device for use as exhaust gas cooler to cool exhaust gas of internal combustion engine of motor vehicle, has inlet openings and outlet openings that are arranged at axial ends of screwing body according to number of screw threads |
| 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 |
-
2015
- 2015-05-07 CN CN201510228621.XA patent/CN104819652B/en active Active
Patent Citations (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 |
| CA2360337C (en) * | 1999-01-14 | 2008-10-21 | Sirven | Heat exchanger, in particular for preheating liquid manure |
| CN2729627Y (en) * | 2004-09-21 | 2005-09-28 | 岳阳市中达机电有限公司 | Auto-descaling heat exchanger |
| DE102008056810A1 (en) * | 2008-11-11 | 2010-05-20 | Pierburg Gmbh | Cooling device for use as exhaust gas cooler to cool exhaust gas of internal combustion engine of motor vehicle, has inlet openings and outlet openings that are arranged at axial ends of screwing body according to number of screw threads |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104819652B (en) | 2016-08-17 |
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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. |
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