CN106949761A - A kind of spiral heat exchanger and its welding method - Google Patents
A kind of spiral heat exchanger and its welding method Download PDFInfo
- Publication number
- CN106949761A CN106949761A CN201610911907.2A CN201610911907A CN106949761A CN 106949761 A CN106949761 A CN 106949761A CN 201610911907 A CN201610911907 A CN 201610911907A CN 106949761 A CN106949761 A CN 106949761A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- exchanger plates
- housing
- spiral
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
Abstract
The present invention discloses a kind of spiral heat exchanger, its housing for including cylindrical shape, the heat-exchanger rig being arranged in the housing, the heat-exchanger rig includes the first heat exchanger plates and the second heat exchanger plates mutually wound in the shape of a spiral, and it is arranged on the spacing column between first heat exchanger plates and second heat exchanger plates, the housing includes two half barrel-shaped the first housings and the second housing for mutually welding setting, and the inner surface of the outer ends of first heat exchanger plates and second heat exchanger plates respectively with first housing is mutually welded.Inner surface due to the present invention by the outer end of the first heat exchanger plates and the second heat exchanger plates respectively at the first housing is welded, so as to eliminate the connecting plate used in the prior art, can largely be reduced stress, be increased the service life of heat exchanger.The welding of the present invention compared with prior art, reduces weld seam loading simultaneously, and welding cost has been saved in the reduction of welder's labor intensity.
Description
Technical field
The present invention relates to field of heat exchangers, particularly a kind of spiral heat exchanger and its welding method.
Background technology
Existing spiral heat exchanger is to be rolled to form by two parallel metallic plates, forms two independent spiralitys
Passage, the different fluid of two kinds of temperature carries out heat exchange by metallic walls.Existing spiral heat exchanger presses its channel enclosed
Situation is divided into, and the non-disconnectable formula of I types, II types are removable and type III is through.Current either which kind of structural shape, its semicircle
Be between cylinder and spiral plate by connecting plate, what three welded together.A kind of spiral plate type heat exchange as shown in accompanying drawing 6-7
Device, including the first housing 11, the second housing 12, the first heat exchanger plates 21, the second heat exchanger plates 22, the first connecting plate 71 and the second connection
Plate 72, wherein, the one side of the first connecting plate 71 is welded with the first heat exchanger plates 21, another side simultaneously with the first housing 11, the
Two housings 12 are welded by one of weld seam.In order to ensure the first housing 11, the second housing 12 and the first connecting plate 71 welding it is strong
Degree, result in weld seam needs larger loading, causes appearance of weld unsightly, and welding stress is larger, in heat exchanger
Damage is easily produced in long-term use.The welding of first connecting plate 71 and the first heat exchanger plates 21 is needed in the first connecting plate 71
Both sides are welded, and the labor intensity of welding is big, inefficiency, also, the only both sides weld seam during detection weld joint air-tight
There is gap can just be detected, if only one side weld seam has gap, there is leakage during the use of heat exchanger
Risk.
The content of the invention
It is an object of the invention to provide a kind of less spiral heat exchanger of welding stress.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of spiral heat exchanger, its housing for including cylindrical shape, the heat-exchanger rig being arranged in the housing, the heat exchange
Device includes the first heat exchanger plates and the second heat exchanger plates mutually wound in the shape of a spiral, and is arranged on first heat exchanger plates and institute
The spacing column between the second heat exchanger plates is stated, the housing includes two half barrel-shaped the first housings and second for mutually welding setting
Inner surface of the outer end of housing, first heat exchanger plates and second heat exchanger plates respectively with first housing is mutually welded.
Preferably, the body of first housing including circular arc planar, two be located at the body two ends circular arc
Arc edge and two linear straight flange portions for being located at the body opposite sides, first heat exchanger plates and described second
The welding edge of the outer end of heat exchanger plates is set respectively close to the straight flange portion of both sides.
It is further preferred that the straight flange portion of the outer end of first heat exchanger plates apart from the first housing side
30-40mm, the straight flange portion 30-40mm of the outer ends of second heat exchanger plates apart from the opposite side of first housing.
Preferably, the outer end outward bending α angles of first heat exchanger plates form the first kink, first kink
Outer side edges and the inner surface of first housing be mutually welded and fixed, the outer end outward bending β of second heat exchanger plates is angular
Into the second kink, the outer side edges of second kink and the inner surface of first housing are mutually welded and fixed.
It is further preferred that the length of first kink is 20-50mm, the length of first kink is 20-
50mm, 40 °<α<50°.
Preferably, the spiral heat exchanger also includes the be wound into by first heat exchanger plates and the second heat exchanger plates
One heat exchanger channels and the second heat exchanger channels, first be connected with the first passage heat exchange mouth and second heat exchange mouth, with it is described
The 3rd heat exchange mouth and the 4th heat exchange mouth that second channel is connected.
The welding method of above-mentioned spiral heat exchanger, comprises the following steps：
1）First heat exchanger plates and the second heat exchanger plates are wound into spiral helicine heat-exchanger rig；
2）First housing is set in outside heat-exchanger rig, and by the outer end of the first heat exchanger plates and the second heat exchanger plates respectively with first
The inner surface of housing is mutually welded；
3）First housing and second shell body phase are spliced and cylindrical shape is welded into.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
Inner surface due to the present invention by the outer end of the first heat exchanger plates and the second heat exchanger plates respectively at the first housing is welded, so that
The connecting plate used in the prior art is eliminated, can largely reduce stress, increases the service life of heat exchanger.Simultaneously
The welding of the present invention compared with prior art, reduces weld seam loading, and welding cost has been saved in the reduction of welder's labor intensity.
Brief description of the drawings
Fig. 1 is schematic front view of the invention；
Fig. 2 is schematic top plan view of the invention；
Fig. 3 is the close-up schematic view A of accompanying drawing 2；
Fig. 4 is the close-up schematic view B of accompanying drawing 2；
Fig. 5 is the first body diagram；
Fig. 6 is the schematic top plan view of prior art；
Fig. 7 is the close-up schematic view C of accompanying drawing 6.
In the figures above：11st, the first housing；111st, body；112nd, arc edge；113rd, straight flange portion；12nd, the second housing；21、
First heat exchanger plates；211st, the first kink；22nd, the second heat exchanger plates；221st, the second kink；31st, the first heat exchanger channels；32nd,
Two heat exchanger channels；41st, the first heat exchange mouth；42nd, the second heat exchange mouth；43rd, the 3rd heat exchange mouth；44th, the 4th heat exchange mouth；51st, the first weldering
Seam；52nd, the second weld seam；53rd, the 3rd weld seam；54th, the 4th weld seam；6th, spacing column；71st, the first connecting plate；72nd, the second connecting plate.
Embodiment
The invention will be further described for shown embodiment below in conjunction with the accompanying drawings：
Embodiment one：Referring to shown in accompanying drawing 1, a kind of spiral heat exchanger, it includes the housing of cylindrical shape, is arranged on the shell
Internal heat-exchanger rig, the heat-exchanger rig includes the first heat exchanger plates 21 and the second heat exchanger plates 22 mutually wound in the shape of a spiral,
And multiple spacing columns 6 between first heat exchanger plates 21 and second heat exchanger plates 22 are arranged on, the housing includes two
Half barrel-shaped the first housing 11 and the second housing 12 that individual phase welding is set, first heat exchanger plates 21 and second heat exchange
Inner surface of the outer end of plate 22 respectively with first housing 11 is mutually welded.
The body 111 of first housing 11 including circular arc planar, two be located at the two ends of body 111 circular arc
Arc edge 112 and two linear straight flange portions 113 for being located at the opposite sides of body 111, first heat exchanger plates 21
Set with the welding edge of the outer end of second heat exchanger plates 22 respectively close to the straight flange portion 113 of both sides.Described first changes
The straight flange portion 113 of the first weld seam 51 between the outer end of hot plate 21 and body 111 apart from the side of the first housing 11
For 30-40mm, the second weld seam 52 between the outer end of second heat exchanger plates 22 and body 111 is apart from first housing 11
The straight flange portion 113 of opposite side be 30-40mm, the distance ensure that the intensity of welding, reduces and welded at adjacent two
Between influence.
40 ° of -50 ° of angles of outer end outward bending of first heat exchanger plates 21 form the first kink 211, and described first is curved
The outer side edges of folding part 211 and the inner surface of first housing 11 are mutually welded and fixed, the outer ends of second heat exchanger plates 22 to
Outer 40 ° of -50 ° of angles of bending form the second kink 221, the outer side edges of second kink 221 and first housing 11
Inner surface is mutually welded and fixed.The length of first kink 211 is 20-50mm, and the length of first kink 211 is
20-50mm.Kink can reduce the difficulty of welding, improve the quality of welding.
Seam crossing has an outside " V " shape opening after first housing 11 and the splicing of the second housing 12, the 3rd weld seam 53 and the
Four weld seams 54 are set respectively along the " V " shape opening of both sides.
The spiral heat exchanger also includes first be wound into by the heat exchanger plates 22 of the first heat exchanger plates 21 and second
The heat exchanger channels 32 of heat exchanger channels 31 and second, first be connected with the first passage 31 the heat exchange heat exchange mouth of mouth 41 and second
42nd, the 3rd heat exchange heat exchange mouth 44 of mouth 43 and the 4th being connected with the second channel 32.
The welding method of above-mentioned spiral heat exchanger, comprises the following steps：
1）First heat exchanger plates 21 and the second heat exchanger plates 22 are wound into spiral helicine heat-exchanger rig；
2）First housing 11 is set in outside heat-exchanger rig, and the outer end of the first heat exchanger plates 21 and the second heat exchanger plates 22 is distinguished
Mutually welded with the inner surface of the first housing 11；
3）First housing 11 is mutually spliced with the second housing 12 and cylindrical shape is welded into.
Inner surface due to the present embodiment by the outer end of the first heat exchanger plates and the second heat exchanger plates respectively at the first housing is welded
Connect, so as to eliminate the connecting plate used in the prior art, can largely reduce stress, increase the use longevity of heat exchanger
Life.The welding of the present invention compared with prior art, reduces weld seam loading simultaneously, and weldering has been saved in the reduction of welder's labor intensity
It is connected into this.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (7)
1. a kind of spiral heat exchanger, its housing for including cylindrical shape, the heat-exchanger rig being arranged in the housing are described to change
Thermal includes the first heat exchanger plates and the second heat exchanger plates that mutually wind in the shape of a spiral, and be arranged on first heat exchanger plates and
Spacing column between second heat exchanger plates, the housing includes two half barrel-shaped the first housings for mutually welding setting and the
Two housings, it is characterised in that：The outer end of first heat exchanger plates and second heat exchanger plates respectively with first housing
Inner surface is mutually welded.
2. a kind of spiral heat exchanger according to claim 1, it is characterised in that：First housing includes arc surface
The body of shape, two be located at the body two ends circular arc arc edge and two be located at the body opposite sides
Institute of the welding edge of the outer end of linear straight flange portion, first heat exchanger plates and second heat exchanger plates respectively close to both sides
State the setting of straight flange portion.
3. a kind of spiral heat exchanger according to claim 2, it is characterised in that：The outer end of first heat exchanger plates
The straight flange portion 30-40mm apart from the first housing side, the outer end of second heat exchanger plates is apart from the first shell
The straight flange portion 30-40mm of the opposite side of body.
4. a kind of spiral heat exchanger according to claim 1, it is characterised in that：The outer end of first heat exchanger plates
Outward bending α angles form the first kink, and the outer side edges of first kink and the inner surface of first housing are mutually welded
Fixed, the outer end outward bending β angles of second heat exchanger plates form the second kink, the outer side edges of second kink with
The inner surface of first housing is mutually welded and fixed.
5. a kind of spiral heat exchanger according to claim 4, it is characterised in that：The length of first kink is
20-50mm, the length of first kink is 20-50mm, 40 °<α<50°.
6. a kind of spiral heat exchanger according to claim 1, it is characterised in that：The spiral heat exchanger is also wrapped
Include the first heat exchanger channels being wound into by first heat exchanger plates and the second heat exchanger plates and the second heat exchanger channels, lead to described first
The first heat exchange mouth and the second heat exchange mouth that road is connected, the 3rd be connected with the second channel exchange heat mouth and the 4th heat exchange
Mouthful.
7. the welding method of the spiral heat exchanger described in a kind of any one of claim 1-6, it is characterised in that including following
Step：
1）First heat exchanger plates and the second heat exchanger plates are wound into spiral helicine heat-exchanger rig；
2）First housing is set in outside heat-exchanger rig, and by the outer end of the first heat exchanger plates and the second heat exchanger plates respectively with first
The inner surface of housing is mutually welded；
3）First housing and second shell body phase are spliced and cylindrical shape is welded into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911907.2A CN106949761B (en) | 2016-10-20 | 2016-10-20 | Spiral plate type heat exchanger and welding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911907.2A CN106949761B (en) | 2016-10-20 | 2016-10-20 | Spiral plate type heat exchanger and welding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949761A true CN106949761A (en) | 2017-07-14 |
| CN106949761B CN106949761B (en) | 2020-06-02 |
Family
ID=59465607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610911907.2A Active CN106949761B (en) | 2016-10-20 | 2016-10-20 | Spiral plate type heat exchanger and welding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949761B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021667A1 (en) * | 2020-07-29 | 2022-02-03 | 扬州派斯特换热设备有限公司 | Welding and assembling process for plate heat exchanger unit |
| EP4261487A1 (en) * | 2022-04-13 | 2023-10-18 | HAIER Germany GmbH | Heat exchanger unit, heat exchanger device, dishwasher, washing machine and process of manufacturing a heat exchanger unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1551524A1 (en) * | 1967-03-25 | 1970-01-15 | Edmund Schauff | Multi-chamber spiral heat exchanger |
| CN2457547Y (en) * | 2000-12-31 | 2001-10-31 | 中国船舶重工集团公司第七研究院第七○三研究所 | Bearing medium pressure high adhesive flow screw plate heat exchanger |
| CN1710368A (en) * | 2004-06-18 | 2005-12-21 | 高尧林 | Multi-spiral-path chasing |
| CN1825026A (en) * | 2006-03-28 | 2006-08-30 | 陈汝清 | Solar energy water heater |
| CN201715231U (en) * | 2010-04-13 | 2011-01-19 | 昆明理工大学 | Integral bundling multi-layer cylinder of high-temperature high-pressure or normal-temperature high-pressure hydrogen-contacting equipment |
| CN102848087A (en) * | 2011-06-30 | 2013-01-02 | 五冶集团上海有限公司 | Tank fabricating and welding method |
| CN204329686U (en) * | 2014-12-11 | 2015-05-13 | 华星（宿迁）化学有限公司 | Be convenient to the spiral heat exchanger cleaned |
| CN204495135U (en) * | 2015-02-06 | 2015-07-22 | 中国石油大学(华东) | The board-like reacting replacing heat device of Novel spiral |
| EP2981780A1 (en) * | 2013-04-04 | 2016-02-10 | Vahterus Oy | Plate heat exchanger and method for constructing multiple passes in the plate heat exchanger |
| CN206095011U (en) * | 2016-10-20 | 2017-04-12 | 苏州市锦翔压力容器制造有限公司 | Spiral -plate heat exchanger |
-
2016
- 2016-10-20 CN CN201610911907.2A patent/CN106949761B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1551524A1 (en) * | 1967-03-25 | 1970-01-15 | Edmund Schauff | Multi-chamber spiral heat exchanger |
| CN2457547Y (en) * | 2000-12-31 | 2001-10-31 | 中国船舶重工集团公司第七研究院第七○三研究所 | Bearing medium pressure high adhesive flow screw plate heat exchanger |
| CN1710368A (en) * | 2004-06-18 | 2005-12-21 | 高尧林 | Multi-spiral-path chasing |
| CN1825026A (en) * | 2006-03-28 | 2006-08-30 | 陈汝清 | Solar energy water heater |
| CN201715231U (en) * | 2010-04-13 | 2011-01-19 | 昆明理工大学 | Integral bundling multi-layer cylinder of high-temperature high-pressure or normal-temperature high-pressure hydrogen-contacting equipment |
| CN102848087A (en) * | 2011-06-30 | 2013-01-02 | 五冶集团上海有限公司 | Tank fabricating and welding method |
| EP2981780A1 (en) * | 2013-04-04 | 2016-02-10 | Vahterus Oy | Plate heat exchanger and method for constructing multiple passes in the plate heat exchanger |
| CN204329686U (en) * | 2014-12-11 | 2015-05-13 | 华星（宿迁）化学有限公司 | Be convenient to the spiral heat exchanger cleaned |
| CN204495135U (en) * | 2015-02-06 | 2015-07-22 | 中国石油大学(华东) | The board-like reacting replacing heat device of Novel spiral |
| CN206095011U (en) * | 2016-10-20 | 2017-04-12 | 苏州市锦翔压力容器制造有限公司 | Spiral -plate heat exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021667A1 (en) * | 2020-07-29 | 2022-02-03 | 扬州派斯特换热设备有限公司 | Welding and assembling process for plate heat exchanger unit |
| EP4261487A1 (en) * | 2022-04-13 | 2023-10-18 | HAIER Germany GmbH | Heat exchanger unit, heat exchanger device, dishwasher, washing machine and process of manufacturing a heat exchanger unit |
| WO2023198446A1 (en) * | 2022-04-13 | 2023-10-19 | Haier Germany Gmbh | Heat exchanger unit, heat exchanger device, dishwasher, washing machine and process of manufacturing a heat exchanger unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106949761B (en) | 2020-06-02 |
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