CN220083759U - Winding tube type heat exchanger with high heat exchange efficiency - Google Patents
Winding tube type heat exchanger with high heat exchange efficiency Download PDFInfo
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- CN220083759U CN220083759U CN202321525740.8U CN202321525740U CN220083759U CN 220083759 U CN220083759 U CN 220083759U CN 202321525740 U CN202321525740 U CN 202321525740U CN 220083759 U CN220083759 U CN 220083759U
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- 238000004804 winding Methods 0.000 title claims abstract description 38
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a winding tube type heat exchanger with high heat exchange efficiency, and particularly relates to the technical field of heat exchangers, which comprises a shell, an inner frame and a mandrel, wherein the inner frame divides an inner cavity of the shell into four heat exchange channels which are circumferentially distributed around a central axis of the inner cavity of the shell, the mandrel is arranged along the heat exchange channels, and at least two layers of spiral winding tubes are sleeved on the outer side of the mandrel; according to the utility model, the inner cavity of the shell is divided into four heat exchange channels circumferentially distributed around the central axis of the inner cavity of the shell by the inner frame, compared with the traditional straight-through heat exchange channels, the heat exchange path of a medium can be prolonged under the condition of the shell with the same length, when the medium sequentially passes through a plurality of heat exchange channels, the heat exchange is performed by using the cold source or the heat source conveyed by the spiral winding pipe, so that the heat exchange time of the medium and the cold source or the heat source is prolonged, and the heat exchange efficiency is high.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a winding tube type heat exchanger with high heat exchange efficiency.
Background
The winding pipe type heat exchanger is not only important unit equipment in the large petrochemical production process, but also energy-saving equipment. The traditional shell-and-tube heat exchanger has the defects of limited heat exchange tube length and smaller heat exchange area in unit volume. The winding tube type heat exchanger has the characteristics of compact structure, large heat exchange area, high heat transfer efficiency, low energy consumption, small occupied area and the like, and the winding tube type heat exchanger can realize simultaneous heat exchange of multiple media due to the structural characteristics, and is used in the fields of oil refining, coal chemical industry, methanol production, fine chemical industry and the like in an increasingly wide range, so that the market demand for the winding tube type heat exchanger is also increasingly large.
Wound tube heat exchangers typically have multiple layers of helically wound tubes, such as one of the structurally stable wound tube heat exchangers disclosed in chinese patent application No. CN 201720845981.9. The spiral tube of each group of spiral tube bundles is closely arranged in parallel in a ring-shaped spiral way, the inclined included angle between the spiral line of each spiral tube and the vertical direction is 20-45 degrees, the spiral tube bundles of the adjacent groups are internally and externally coated, the spiral directions of the spiral tubes of the adjacent inner layers are opposite, and the spiral tubes of the adjacent inner layers and the spiral tubes of the adjacent outer layers are mutually perpendicular in spiral arrangement. In order to improve the structural stability, a fixing frame and a reinforcing ring are further arranged in the optimization scheme. The stability of the equipment structure is enhanced by the spiral pipe winding mode of each group of spiral pipe bundles, and the heat exchange capacity of the equipment is improved within a certain occupied space range.
The winding tube type heat exchanger in the prior art has the following problems: the heat exchange channel is of a straight-through structure, the medium passes through the heat exchange channel in an unobstructed manner, the heat exchange time between the medium and the fluid in the spiral tube is short, and the heat exchange efficiency is low. Therefore, there is a need to design a wound tube heat exchanger with high heat exchange efficiency, which can solve the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a wound tube heat exchanger with high heat exchange efficiency, so as to solve the problem of low heat exchange efficiency of the wound tube heat exchanger in the prior art.
The utility model provides a winding tubular heat exchanger that heat exchange efficiency is high, includes the casing, locates the inboard inner frame of casing, fix dabber on the inner frame, be equipped with feed inlet, discharge gate on the casing, the inner frame will the inner chamber of casing is separated into four round the heat transfer passageway of the center pin circumference distribution of casing inner chamber, all heat transfer passageway is all followed the length direction of inner frame extends, the feed inlet with first heat transfer passageway's right-hand member intercommunication, first heat transfer passageway's left end with the second heat transfer passageway's left end intercommunication, the second heat transfer passageway's right-hand member with the third heat transfer passageway's right-hand member intercommunication, the third heat transfer passageway's left end with fourth heat transfer passageway's left end intercommunication, the dabber is followed heat transfer passageway sets up, at least two-layer spiral winding pipe has been cup jointed in the dabber outside.
Specifically, every heat exchange channel is equipped with the pad seat in, the pad seat middle part forms a circular-like narrow passageway, the narrow passageway link up about and the outside has the opening, the dabber runs through along left and right directions the narrow passageway.
Specifically, each layer of spiral winding pipe is formed by winding a single pipe or a plurality of pipes, and the spiral directions of two adjacent layers of spiral winding pipes are opposite.
Specifically, two adjacent layers of spiral winding pipes are separated by a filler strip.
Specifically, both ends are connected with the baffle respectively about the inner frame, the tip of dabber is fixed on the baffle, at least one be equipped with the mounting hole on the baffle, spiral winding pipe's tip passes the mounting hole.
Specifically, both ends all are connected with the end cover about the casing, at least one be equipped with the mouth of pipe on the end cover, the tip of spiral winding pipe is followed the mouth of pipe extends away.
Specifically, the upper left side of inner frame is equipped with the first breach of intercommunication first heat transfer passageway and second heat transfer passageway, the rear right side of inner frame is equipped with the intercommunication second heat transfer passageway with the third the second breach of heat transfer passageway, the lower left side of inner frame is equipped with the intercommunication third heat transfer passageway with the fourth the third breach of heat transfer passageway.
The utility model has the beneficial effects that:
according to the winding tube type heat exchanger with high heat exchange efficiency, the inner cavity of the shell is divided into four heat exchange channels circumferentially distributed around the central axis of the inner cavity of the shell by the inner frame, compared with the traditional straight-through heat exchange channels, under the condition of the shell with the same length, the heat exchange path of a medium can be prolonged, the mandrel is arranged along the heat exchange channels, at least two layers of spiral winding tubes are sleeved outside the mandrel, when the medium sequentially passes through the plurality of heat exchange channels, heat exchange is performed by utilizing a cold source or a heat source conveyed by the spiral winding tubes, the heat exchange time of the medium and the cold source or the heat source is prolonged, and the heat exchange efficiency is high.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a perspective view of a coiled tube heat exchanger of the present utility model;
FIG. 2 is a front view of a coiled tube heat exchanger of the present utility model;
FIG. 3 is a cross-sectional view taken along the A-A plane in FIG. 2;
FIG. 4 is an exploded view of the coiled tubing heat exchanger of the present utility model;
FIG. 5 is a schematic view of the assembled structure of the inner frame, mandrel and shoe of the present utility model;
FIG. 6 is an exploded view of the inner frame, mandrel and shoe of the present utility model;
FIG. 7 is a second exploded view of the inner frame, mandrel and shoe of the present utility model;
fig. 8 is a schematic view of the structure of the spirally wound tube and filler strip of the present utility model.
The reference numerals are: the heat exchange device comprises a shell 10, an inner frame 20, a mandrel 30, a heat exchange channel 11, a spiral wound pipe 40, a feed inlet 12, a discharge outlet 13, a gasket seat 50, a narrow channel 51, an opening 52, a gasket strip 60, a baffle 21, a mounting hole 211, an end cover 70, a pipe orifice 71, a first notch 22, a second notch 23 and a third notch 24.
Detailed Description
The utility model provides a winding tube type heat exchanger with high heat exchange efficiency, which is further described in detail below with reference to the accompanying drawings and examples in order to make the purposes, the technical scheme and the effects of the utility model clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4: the embodiment discloses winding tubular heat exchanger that heat exchange efficiency is high, including casing 10, locate the inboard inner frame 20 of casing 10, the dabber 30 of fixing on inner frame 20, be equipped with feed inlet 12 on the casing 10, discharge gate 13, the inner frame 20 separates into four heat transfer passageway 11 that distribute around the center pin circumference of casing 10 inner chamber with the inner chamber of casing 10, all heat transfer passageway 11 all extend along the length direction of inner frame 20, feed inlet 12 and the right-hand member of first heat transfer passageway 11 communicate, the left end of first heat transfer passageway 11 and the left end intercommunication of second heat transfer passageway 11, the right-hand member of second heat transfer passageway 11 and the right-hand member intercommunication of third heat transfer passageway 11, the left end of third heat transfer passageway 11 and the left end intercommunication of fourth heat transfer passageway 11, the right-hand member and the discharge gate 13 intercommunication of fourth heat transfer passageway 11, dabber 30 sets up along heat transfer passageway 11, at least two-layer spiral winding pipe 40 has been cup jointed in the dabber 30 outside.
The winding tube heat exchanger of this embodiment utilizes inner frame 20 to separate into four heat transfer passageway 11 that distribute around the center pin circumference of casing 10 inner chamber with the inner chamber of casing 10, compares traditional straight-through heat transfer passageway, under the casing 10 circumstances of same length, can lengthen the heat transfer route of medium to dabber 30 sets up along heat transfer passageway 11, and at least two-layer spiral winding pipe 40 has been cup jointed in the dabber 30 outside, and when the medium passed through a plurality of heat transfer passageways 11 in proper order, heat transfer was carried to cold source or heat source that utilizes spiral winding pipe 40 to carry, has prolonged the heat transfer time of medium and cold source or heat source, and heat exchange efficiency is high.
As shown in fig. 3, 6 and 7, the number of the heat exchange channels 11 in this embodiment is four, wherein the left and right ends of the first heat exchange channel 11 are respectively a discharge end and a feed end, the left and right ends of the second heat exchange channel 11 are respectively a feed end and a discharge end, the left and right ends of the third heat exchange channel 11 are respectively a discharge end and a feed end, the left and right ends of the fourth heat exchange channel 11 are respectively a feed end and a discharge end, the feed port 12 is communicated with the feed end of the first heat exchange channel 11, the discharge end of the first heat exchange channel 11 is communicated with the feed end of the second heat exchange channel 11, the discharge end of the second heat exchange channel 11 is communicated with the feed end of the third heat exchange channel 11, the discharge end of the third heat exchange channel 11 is communicated with the feed end of the fourth heat exchange channel 11, the discharge port 13 is communicated with the discharge end of the fourth heat exchange channel 11, a medium is fed from the position of the feed port 12, enters the first heat exchange channel 11, passes through the second heat exchange channel 11, passes through the third heat exchange channel 11, finally passes through the fourth heat exchange channel 11, is discharged from the position of the discharge port 13 below the fourth heat exchange channel 11, and exchanges heat with a cold source or a heat source conveyed by the spiral winding pipe 40 in the process of passing through the fourth heat exchange channel 11, and has long heat exchange path and high heat exchange efficiency.
As shown in fig. 4 to 6, each heat exchange channel 11 is provided with a gasket 50, the gasket 50 can be fixed on the inner frame 20 by means of screws or welding, a round-like narrow channel 51 is formed in the middle of the gasket 50, the narrow channel 51 is penetrated left and right and is provided with an opening 52 on the outer side, the opening 52 is arranged towards the shell 10, the size of the gasket 50 can be reduced by arranging the opening 52, the installation of the mandrel 30 can be facilitated, the mandrel 30 penetrates through the narrow channel 51 along the left and right directions, the narrow channel 51 is arranged, the narrow channel 51 is of a round-like structure, and after the spiral winding tube 40 is wound on the outer side of the mandrel 30, the spiral winding tube 40 is cylindrical-like and is positioned in the narrow channel 51, so that most of media can directly flow through the spiral winding tube 40 when passing through the narrow channel 51, and the heat exchange efficiency between the media and a cold source or a heat source conveyed by the spiral winding tube 40 is improved.
As shown in fig. 5, the left and right ends of the inner frame 20 are respectively connected with a baffle 21, two ends of the mandrel 30 are both fixed on the baffle 21 on the right side, a mounting hole 211 is provided on the baffle on the right side, and the end of the spiral wound tube 40 passes through the mounting hole 211, and the spiral wound tube 40 is fixed by using the mounting hole 211, so that the spiral wound tube 40 can be orderly connected into or led out.
As shown in fig. 1 to 3, the left and right ends of the housing 10 are connected with end caps 70, the right end cap 70 is provided with a nozzle 71, the end of the spiral wound tube 40 extends out of the nozzle 71, the structure is simple, and the installation difficulty of the spiral wound tube 40 is low.
As shown in fig. 6 to 7, the cross-section of the middle part of the inner frame 20 is in a cross-shaped structure, so that after the inner frame 20 is installed in the inner cavity of the shell 10, the inner frame 20 divides the inner cavity of the shell 10 into four heat exchange channels 11 circumferentially distributed around the central axis of the inner cavity of the shell 10, in addition, a first notch 22 for communicating the first heat exchange channel 11 with the second heat exchange channel 11 is arranged at the upper left part of the inner frame 20, a second notch 23 for communicating the second heat exchange channel 11 with the third heat exchange channel 11 is arranged at the rear right part of the inner frame 20, a third notch 24 for communicating the third heat exchange channel 11 with the fourth heat exchange channel 11 is arranged at the lower left part of the inner frame 20, after passing through the first heat exchange channel 11, a medium enters the second heat exchange channel 11 from the position of the first notch 22, after passing through the second heat exchange channel 11, a medium enters the fourth heat exchange channel 11 from the position of the third notch 24, and the medium needs to change the direction every time when entering the first heat exchange channel 11, the medium is discharged from the discharge port 13 is more quickly, the heat exchange efficiency is prevented from being changed, and the ideal heat exchange effect is improved, and the heat exchange efficiency is avoided.
As shown in fig. 8, each layer of spiral wound tube 40 can be formed by winding a single tube or a plurality of tubes, each layer of spiral wound tube 40 in this embodiment is formed by winding a single tube, and the spiral directions of two adjacent layers of spiral wound tubes 40 are opposite, so that the flowing state of fluid in two adjacent layers of spiral wound tubes 40 is changed, the fluid in the heat exchange channel 11 forms strong turbulence, the spiral flow in the heat exchange channel 11 is enhanced, and the heat exchange efficiency of the medium in the heat exchange channel 11 is improved.
As shown in fig. 8, adjacent two layers of the spirally wound tubes 40 are spaced by the spacer 60, and the spacer 60 fixes the spirally wound tubes 40 by welding, so that the structural strength of each layer of spirally wound tubes 40 is enhanced, and vibration of the heat exchanger during operation is prevented.
While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the utility model as defined in the appended claims.
Claims (7)
1. The utility model provides a winding tubular heat exchanger that heat exchange efficiency is high, its characterized in that, include casing (10), locate inside inner frame (20) of casing (10), fix dabber (30) on inner frame (20), be equipped with feed inlet (12), discharge gate (13) on casing (10), inner frame (20) will the inner chamber of casing (10) is separated into four round heat transfer channel (11) of the center pin circumference distribution of casing (10) inner chamber, all heat transfer channel (11) are all followed the length direction of inner frame (20) extends, feed inlet (12) and first heat transfer channel (11) right-hand member intercommunication, first heat transfer channel (11) left end and second heat transfer channel (11) left end intercommunication, second heat transfer channel (11) right-hand member and third heat transfer channel (11) right-hand member intercommunication, third heat transfer channel (11) left end and fourth heat transfer channel (11) right-hand member intercommunication, first two spiral layer (40) are cup jointed in the heat transfer channel (30) the dabber (30) is located.
2. A coiled tube heat exchanger with high heat exchange efficiency according to claim 1, wherein a gasket (50) is arranged in each heat exchange channel (11), a round-like narrow channel (51) is formed in the middle of the gasket (50), the narrow channel (51) is penetrated left and right and is provided with an opening (52) at the outer side, and the mandrel (30) penetrates through the narrow channel (51) along the left and right direction.
3. A coiled tube heat exchanger with high heat exchange efficiency according to claim 1, wherein each layer of the spirally coiled tube (40) is formed by coiling a single tube or a plurality of tubes, and the spiral directions of the adjacent two layers of the spirally coiled tubes (40) are opposite.
4. A coiled tube heat exchanger with high heat exchange efficiency according to claim 1, wherein adjacent layers of the spirally coiled tubes (40) are separated by spacer strips (60).
5. The coiled tube heat exchanger with high heat exchange efficiency according to claim 1, wherein the left end and the right end of the inner frame (20) are respectively connected with a baffle plate (21), the end of the mandrel (30) is fixed on the baffle plates (21), at least one baffle plate (21) is provided with a mounting hole (211), and the end of the spiral coiled tube (40) passes through the mounting hole (211).
6. A coiled tube heat exchanger with high heat exchange efficiency according to claim 1, wherein the left and right ends of the housing (10) are connected with end caps (70), at least one end cap (70) is provided with a tube opening (71), and the end of the spiral coiled tube (40) extends out from the tube opening (71).
7. The winding tube type heat exchanger with high heat exchange efficiency according to claim 1, wherein a first notch (22) for communicating a first heat exchange channel (11) with a second heat exchange channel (11) is arranged at the upper left side of the inner frame (20), a second notch (23) for communicating a second heat exchange channel (11) with a third heat exchange channel (11) is arranged at the rear right side of the inner frame (20), and a third notch (24) for communicating a third heat exchange channel (11) with a fourth heat exchange channel (11) is arranged at the lower left side of the inner frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321525740.8U CN220083759U (en) | 2023-06-14 | 2023-06-14 | Winding tube type heat exchanger with high heat exchange efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321525740.8U CN220083759U (en) | 2023-06-14 | 2023-06-14 | Winding tube type heat exchanger with high heat exchange efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220083759U true CN220083759U (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321525740.8U Active CN220083759U (en) | 2023-06-14 | 2023-06-14 | Winding tube type heat exchanger with high heat exchange efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220083759U (en) |
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2023
- 2023-06-14 CN CN202321525740.8U patent/CN220083759U/en active Active
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