CN203454868U - Heat exchanger with efficient heat exchange tubes supported by triangular enclosed spiral baffle plate group - Google Patents
Heat exchanger with efficient heat exchange tubes supported by triangular enclosed spiral baffle plate group Download PDFInfo
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- CN203454868U CN203454868U CN201320408749.0U CN201320408749U CN203454868U CN 203454868 U CN203454868 U CN 203454868U CN 201320408749 U CN201320408749 U CN 201320408749U CN 203454868 U CN203454868 U CN 203454868U
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- bobbin carriage
- tube
- housing
- triangle
- heat exchanger
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Abstract
A heat exchanger with efficient heat exchange tubes supported by a triangular enclosed spiral baffle plate group comprises a shell and further comprises a first tube case and a second tube case which are fixedly connected to the two ends of the shell; the middle portion of the first tube case is communicated with the middle portion of the second tube case through the plurality of heat exchange tubes; the two ends of the shell are provided with a tube pass outlet and a tube pass inlet; the spiral baffle plate group is disposed in the shell and is formed by splicing a plurality of fan-shaped baffle plates and triangular enclosing plates in a spaced manner; the included angles between the central axis of the shell and the fan-shaped baffle plates are acute angles which are identical; the circular arc sides of the fan-shaped baffle plates are connected end to end successively; one triangular enclosing plate is fixedly connected between every two adjacent fan-shaped baffle plates; and the heat exchange tubes are spiral corrugated tubes and are disposed in the shell after passing through the spiral baffle plate group. The heat exchanger solves the problem of flow leakage from gaps between plates and has the advantages of stable structure and high heat transfer efficiency.
Description
Technical field
The utility model relates to field of heat exchangers, relates in particular to the closed spiral baffle supporting high efficient heat exchanging of triangle heat exchange of heat pipe, is specifically applicable to increase stability, the raising heat transfer efficiency of connecting elements.
Background technology
The heat exchanger of industrial use has various structures, between pipe, aspect support structure, mainly contains single bow deflection plate and dish ring deflection plate etc., and the structure that at present conventional heat exchanger supports tube bank with single bow deflection plate is more, and heat exchanger tube is mainly smooth heat transfer tube.In segmental baffle board heat exchangers, fluid comes and goes baffling and washes away tube bank between deflection plate, and the fluid form drag that causes because of baffling is large, pressure drop is high, and easily causes that bundle vibration destroys.Meanwhile, the heat transfer coefficient of plain tube is lower, has also caused heat exchanger heat-transfer performance poor.Fluid has advantages of evenly in shell side helical flow, pressure drop is low and be difficult for causing tube bundle vibration, adopts helical baffles can overcome the inherent defect of bow type baffle heat exchanger as the heat exchanger of supporting construction between pipe.At present, spiral baffle heat exchanger mainly comprises two large classes, and a class is not establish the uncontinuous spiral baffle heat exchanger of central tube, and another kind of is the heat exchanger with continuous helical baffle plates that is provided with central tube.There is leakage current problem and the large problem of fluid resistance in the uncontinuous spiral baffle heat exchanger of not establishing central tube; Be provided with the heat exchanger with continuous helical baffle plates of central tube, due to the diameter of central tube normally heat exchanger shell diameter 20% ~ 40%, in this unit's of making diameter of the housing, stringing quantity reduces, heat exchanger heat transfer area also reduces, and reduces heat transfer property.
Chinese patent application publication No. is CN102759396A, Shen Qing Publication day is that the patent of invention on October 30th, 2012 discloses continuous helical deflecting plate pipe and shell type heat exchanger, comprise bobbin carriage, tube sheet, heat exchanger tube, housing, pull bar, distance sink tube, sector shaped helical baffle plate, characterized by further comprising in the interrupted space of triangle and establish connecting elements, described connecting elements is triangle and the trapezoid part with bar shaped gap or several circular hole and plug, plug is positioned at triangle and trapezoidal both sides, and connecting elements can be used plate lath, bar or tubing manufacture.Every helical baffles is connected into unremitting integral body closely.Although this invention can solve the problem that deflection plate gap leakage current reduces heat transfer efficiency to a certain extent, still there is following defect in it:
1, the triangle of this invention and trapezoidal connecting elements are plugged on sector shaped helical baffle plate, and the plug of connecting elements is stressed for a long time, metal fatigue easily occurs and cause vibrations and noise, even may cause connecting elements to deviate from, and affect equipment operation.
2, the common pipe of the employing of this invention is as heat exchanger tube, and heat transfer efficiency is lower.
Utility model content
The purpose of this utility model is to overcome the problem that the connecting elements existing in prior art is insecure, heat exchanger tube heat transfer efficiency is lower, and the closed spiral baffle supporting high efficient heat exchanging of the triangle heat exchange of heat pipe that connecting elements is firm, heat exchanger tube heat transfer efficiency is high is provided.
For realizing above object, technical solution of the present utility model is:
The closed spiral baffle supporting high efficient heat exchanging of triangle heat exchange of heat pipe, comprise the first bobbin carriage, the second bobbin carriage that housing and two ends thereof are fixedly connected with, on the first bobbin carriage, be provided with tube side import, on the second bobbin carriage, be provided with tube side outlet, described the first bobbin carriage middle part communicates with the middle part of the second bobbin carriage by many heat exchanger tubes, nearly the first bobbin carriage place of described case top is provided with shell side outlet, and nearly the second bobbin carriage place of housing bottom is provided with shell side import;
Described enclosure interior arranges helical baffles group, described helical baffles group is closed shrouding interval by polylith segmental baffle and triangle and is spliced, the axis of housing is the acute angle equating with the angle of every segmental baffle, the arc-shaped edges of described polylith segmental baffle is end to end setting successively, is fixedly connected with triangle and closes shrouding between adjacent two segmental baffles;
Described heat exchanger tube is helical bellows, and heat exchanger tube is arranged at enclosure interior through helical baffles group.
The projection of described four adjacent segmental baffles on housing sagittal plane is spliced into a circle, and triangle closes the base of shrouding and the axis of housing coincides, and another two limits that triangle closes shrouding are individually fixed on the side of adjacent segmental baffle.
The top of described the first bobbin carriage is provided with tube side import, and the bottom of described the second bobbin carriage is provided with tube side outlet, and the first tube sheet on described the first bobbin carriage is fixedly connected with the second tube sheet on the second bobbin carriage by many heat exchanger tubes.
On same direction of rotation, a plurality of segmental baffles of being parallel to each other, cross-under has pull bar in described housing, and on this pull bar the sheathed distance sink tube in the position between adjacent segmental baffle.
One end of described pull bar is fixed on the first tube sheet, and the other end of pull bar is fixedly connected with the segmental baffle of nearly the second bobbin carriage on pull bar.
Compared with prior art, the beneficial effects of the utility model are:
1, the segmental baffle in the closed spiral baffle supporting high efficient heat exchanging of the utility model triangle heat exchange of heat pipe and triangle close the setting of shrouding interval, triangle closes the triangular space place that shrouding is fixed on adjacent two helical baffles, the leakage current at plugging gap place, and segmental baffle and triangle close stable connection between shrouding, good stability, shock-resistant ability are strong.Therefore, the design's sound construction, shock-resistant ability are good.
2, the heat exchanger tube in the closed spiral baffle supporting high efficient heat exchanging of the utility model triangle heat exchange of heat pipe is helical bellows, when increasing heat exchange area, also contributes in pipe, the flowing of extratubal fluid, thereby has improved heat exchanger effectiveness.Therefore, the design's heat exchanger tube heat exchanger effectiveness is high.
3, the tube side import in the closed spiral baffle supporting high efficient heat exchanging of the utility model triangle heat exchange of heat pipe is positioned at the first bobbin carriage top, tube side outlet is positioned at the bottom of the second bobbin carriage, such design is beneficial to flowing of fluid to be cooled, particularly the condensation of air-flow is had to remarkable result, improved heat transfer efficiency.Therefore, the design's heat exchanger effectiveness is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of segmental baffle in Fig. 1.
Fig. 3 is the structural representation that Fig. 1 intermediate cam is closed shrouding.
Fig. 4 is the structural representation of heat exchanger tube in Fig. 1.
In figure: the first bobbin carriage 1, tube side import 11, the first tube sheet 12, the second bobbin carriage 2, tube side outlet the 21, second tube sheet 22, heat exchanger tube 3, housing 4, shell side import 41, shell side outlet 42, helical baffles group 5, segmental baffle 51, arc-shaped edges 52, triangle close shrouding 53, base 54, distance sink tube 6, pull bar 7.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model is described in further detail.
Referring to figure 1 – Fig. 4, the closed spiral baffle supporting high efficient heat exchanging of triangle heat exchange of heat pipe, comprise the first bobbin carriage 1, the second bobbin carriage 2 that housing 4 and two ends thereof are fixedly connected with, on the first bobbin carriage 1, be provided with tube side import 11, on the second bobbin carriage 2, be provided with tube side outlet 21, described the first bobbin carriage 1 middle part communicates with the middle part of the second bobbin carriage 2 by many heat exchanger tubes 3, and nearly the first bobbin carriage 1 place, described housing 4 tops is provided with shell side outlet 42, and nearly the second bobbin carriage 2 places, housing 4 bottoms are provided with shell side import 41;
Described housing 4 inside arrange helical baffles group 5, described helical baffles group 5 is closed shrouding 53 intervals by polylith segmental baffle 51 and triangle and is spliced, the axis of housing 4 is the acute angle equating with the angle of every segmental baffle 51, the end to end setting successively of the arc-shaped edges 52 of described polylith segmental baffle 51, is fixedly connected with triangle between adjacent two segmental baffles 51 and closes shrouding 53;
Described heat exchanger tube 3 is helical bellows, and heat exchanger tube 3 is arranged at housing 4 inside through helical baffles group 5.
The projection of described four adjacent segmental baffles 51 on housing 4 sagittal planes is spliced into a circle, the base 54 that triangle closes shrouding 53 coincides with the axis of housing 4, and another two limits that triangle closes shrouding 53 are individually fixed on the side of adjacent segmental baffle 51.
The top of described the first bobbin carriage 1 is provided with tube side import 11, and the bottom of described the second bobbin carriage 2 is provided with tube side outlet 21, and the first tube sheet 12 on described the first bobbin carriage 1 is fixedly connected with the second tube sheet 22 on the second bobbin carriage 2 by many heat exchanger tubes 3.
In described housing 4, on same direction of rotation, a plurality of segmental baffles 51 of being parallel to each other, cross-under has pull bar 7, and on this pull bar 7 the sheathed distance sink tube 6 in the position between adjacent segmental baffle 51.
One end of described pull bar 7 is fixed on the first tube sheet 12, and the other end of pull bar 7 is fixedly connected with the segmental baffle 51 of nearly the second bobbin carriage 2 on pull bar 7.
Principle of the present utility model is described as follows:
1, helical baffles group 5: helical baffles group 5 is closed shrouding 53 intervals settings by polylith segmental baffle 51 and triangle and formed, the axis of housing 4 is the acute angle equating with the angle of every segmental baffle 51, the end to end setting successively of the arc-shaped edges 52 of described polylith segmental baffle 51, the projection of four adjacent segmental baffles 51 on housing 4 sagittal planes is spliced into a circle, above-mentioned structure the basic structure of helical baffles group 5, then due to the gap leakage current problem of 51 of adjacent segmental baffles, take to add the method that triangle closes shrouding 53 and carried out shutoff leakage current, the base 54 that triangle closes shrouding 53 coincides with the axis of housing 4, another two limits that triangle closes shrouding 53 are individually fixed on the side of adjacent segmental baffle 51.Triangle closes between shrouding 53 and segmental baffle 51 and adopts welding manner to be fixedly connected with, and connected mode is firm, and such design makes helical baffles group 5 be spliced into the integral body of a relative closure, has improved the steadiness of spiral baffling slab integral.
2, heat exchanger tube 3: heat exchanger tube adopts helical bellows, with respect to common heat exchange pipe, the contact area of helical bellows is larger, the outer wall of body presents recessed ripple, inwall at body presents corresponding protrusion ripple, the ripple of tube wall can promote coolant flow, makes the cooling fluid that contacts body accelerate to mix with the cooling fluid that does not contact body, improves heat transference efficiency; Ripple on inboard wall of tube body can promote tube fluid screw, and accelerating fluid mixes, thereby improves heat exchange efficiency.
Embodiment 1:
The closed spiral baffle supporting high efficient heat exchanging of triangle heat exchange of heat pipe, comprise the first bobbin carriage 1, the second bobbin carriage 2 that housing 4 and two ends thereof are fixedly connected with, the top of described the first bobbin carriage 1 is provided with tube side import 11, the bottom of described the second bobbin carriage 2 is provided with tube side outlet 21, described tube side import 11 communicates with tube side outlet 21 by many heat exchanger tubes 3, nearly the first bobbin carriage 1 place, described housing 4 tops is provided with shell side outlet 42, and nearly the second bobbin carriage 2 places, housing 4 bottoms are provided with shell side import 41; Described housing 4 inside arrange helical baffles group 5, described helical baffles group 5 is closed shrouding 53 intervals by polylith segmental baffle 51 and triangle and is spliced, the axis of housing 4 is the acute angle equating with the angle of every segmental baffle 51, the end to end setting successively of the arc-shaped edges 52 of described polylith segmental baffle 51, is fixedly connected with triangle between adjacent two segmental baffles 51 and closes shrouding 53; Described heat exchanger tube 3 is helical bellows, and heat exchanger tube 3 is arranged at housing 4 inside through helical baffles group 5; The projection of described four adjacent segmental baffles 51 on housing 4 sagittal planes is spliced into a circle, the base 54 that triangle closes shrouding 53 coincides with the axis of housing 4, and another two limits that triangle closes shrouding 53 are individually fixed on the side of adjacent segmental baffle 51; In described housing 4, on same direction of rotation, a plurality of segmental baffles 51 of being parallel to each other, cross-under has pull bar 7, and the sheathed distance sink tube 6 in the position on this pull bar 7 between adjacent segmental baffle 51, one end of described pull bar 7 is fixed on the first tube sheet 12, and the other end of pull bar 7 is fixedly connected with the segmental baffle 51 of nearly the second bobbin carriage 2 on pull bar 7.
Claims (5)
1. the closed spiral baffle supporting high efficient heat exchanging of triangle heat exchange of heat pipe, comprise the first bobbin carriage (1) that housing (4) and two ends thereof are fixedly connected with, the second bobbin carriage (2), on the first bobbin carriage (1), be provided with tube side import (51), on the second bobbin carriage (2), be provided with tube side outlet (21), described the first bobbin carriage (1) middle part communicates with the middle part of the second bobbin carriage (2) by many heat exchanger tubes (3), nearly the first bobbin carriage in described housing (4) top (1) locates to be provided with shell side outlet (52), housing (4) nearly the second bobbin carriage in bottom (2) locates to be provided with shell side import (51), it is characterized in that:
Described housing (4) inside arranges helical baffles group (5), described helical baffles group (5) is closed shrouding (53) interval by polylith segmental baffle (51) and triangle and is spliced, the axis of housing (4) is the acute angle equating with the angle of every segmental baffle (51), arc-shaped edges (52) the end to end setting successively of described polylith segmental baffle (51), is fixedly connected with triangle and closes shrouding (53) between adjacent two segmental baffles (51);
Described heat exchanger tube (3) is helical bellows, and heat exchanger tube (3) is arranged at housing (4) inside through helical baffles group (5).
2. the closed spiral baffle supporting high efficient heat exchanging of triangle according to claim 1 heat exchange of heat pipe, it is characterized in that: the projection of described adjacent four segmental baffles (51) on housing (4) sagittal plane is spliced into a circle, triangle closes the base (54) of shrouding (53) and the axis of housing (4) coincides, and another two limits that triangle closes shrouding (53) are individually fixed on the side of adjacent segmental baffle (51).
3. the closed spiral baffle supporting high efficient heat exchanging of triangle according to claim 1 and 2 heat exchange of heat pipe, it is characterized in that: the top of described the first bobbin carriage (1) is provided with tube side import (11), the bottom of described the second bobbin carriage (2) is provided with tube side outlet (21), and the first tube sheet (12) on described the first bobbin carriage (1) is fixedly connected with the second tube sheet (22) on the second bobbin carriage (2) by many heat exchanger tubes (3).
4. the closed spiral baffle supporting high efficient heat exchanging of triangle according to claim 1 and 2 heat exchange of heat pipe, it is characterized in that: in same direction of rotation, the upper cross-under of a plurality of segmental baffles (5) (1) that is parallel to each other, have pull bar (7) in described housing (4), and on this pull bar (7), be positioned at the sheathed distance sink tube in position (6) between adjacent segmental baffle (51).
5. the closed spiral baffle supporting high efficient heat exchanging of triangle according to claim 4 heat exchange of heat pipe, it is characterized in that: it is upper that the first tube sheet (12) is fixed in one end of described pull bar (7), the other end of pull bar (7) is fixedly connected with the segmental baffle (51) of upper nearly the second bobbin carriage (2) of pull bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408749.0U CN203454868U (en) | 2013-07-10 | 2013-07-10 | Heat exchanger with efficient heat exchange tubes supported by triangular enclosed spiral baffle plate group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408749.0U CN203454868U (en) | 2013-07-10 | 2013-07-10 | Heat exchanger with efficient heat exchange tubes supported by triangular enclosed spiral baffle plate group |
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| Publication Number | Publication Date |
|---|---|
| CN203454868U true CN203454868U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320408749.0U Expired - Lifetime CN203454868U (en) | 2013-07-10 | 2013-07-10 | Heat exchanger with efficient heat exchange tubes supported by triangular enclosed spiral baffle plate group |
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| CN (1) | CN203454868U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729328A (en) * | 2015-04-15 | 2015-06-24 | 柳州凯通机械有限公司 | Air cooler |
| CN106038304A (en) * | 2016-05-20 | 2016-10-26 | 夏放军 | Empty capsule |
| CN109282686A (en) * | 2018-11-02 | 2019-01-29 | 鲁德祥 | Elastic wave coil and heat exchanger with elastic wave coil |
| US10941988B2 (en) | 2017-08-28 | 2021-03-09 | Watlow Electric Manufacturing Company | Continuous helical baffle heat exchanger |
-
2013
- 2013-07-10 CN CN201320408749.0U patent/CN203454868U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729328A (en) * | 2015-04-15 | 2015-06-24 | 柳州凯通机械有限公司 | Air cooler |
| CN106038304A (en) * | 2016-05-20 | 2016-10-26 | 夏放军 | Empty capsule |
| US10941988B2 (en) | 2017-08-28 | 2021-03-09 | Watlow Electric Manufacturing Company | Continuous helical baffle heat exchanger |
| CN109282686A (en) * | 2018-11-02 | 2019-01-29 | 鲁德祥 | Elastic wave coil and heat exchanger with elastic wave coil |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |