CN105910466A - Internal corrugated type heat exchanger and manufacturing method thereof - Google Patents
Internal corrugated type heat exchanger and manufacturing method thereof Download PDFInfo
- Publication number
- CN105910466A CN105910466A CN201610385752.3A CN201610385752A CN105910466A CN 105910466 A CN105910466 A CN 105910466A CN 201610385752 A CN201610385752 A CN 201610385752A CN 105910466 A CN105910466 A CN 105910466A
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- CN
- China
- Prior art keywords
- heat exchanger
- ring cavity
- corrugated
- support chip
- spacer
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Classifications
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- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
- F28D7/0016—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being bent
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- 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
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- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to an internal corrugated type heat exchanger and a manufacturing method thereof and belongs to the technical field of heat exchangers. The heat exchanger comprises an inner cylinder with a vertical middle hole; a group of support sheets which radially extend are axially distributed on an excircle of the inner cylinder at intervals; the outer edge of each support sheet is in sealing and fixed connection with the wave trough inner wall of a corrugated pipe shaped housing to form a group of annular cavities; the annular cavity at the uppermost layer communicates with a circulating inlet pipe; the annular cavity at the lowermost layer communicates with a circulating outlet pipe; an isolation sheet used for partitioning each annular cavity is fixed in each annular cavity; an interconnected hole is formed in the corresponding isolation sheet between two adjacent annular cavities; and the upper and lower adjacent interconnected holes are formed in the two sides of the corresponding isolation sheet so as to form a reciprocating and devious flow passage between the circulating inlet pipe and the circulating outlet pipe. According to the internal corrugated type heat exchanger, with the corrugated pipe shaped housing with a large heat exchange area and the devious heat exchange flow passage, heat exchange is more fully, and the heat exchange efficiency is remarkably improved; and in addition, the support sheets also have the interior supporting action when forming the devious flow passage, so that the eternal pressure bearing capability of the housing is greatly improved, and a double advantage is got.
Description
Technical field
The present invention relates to a kind of heat exchanger used for water heater, a kind of built-in corrugated formula heat exchanger, also relate to its manufacture method, belong to technical field of heat exchangers.
Background technology
According to the applicant understood, the heat exchange of solar water heater water tank is divided into built-in and external two kinds of versions.External heat exchanger is for the water heater liner of major diameter, and the hot water in the middle part of it is difficult to heated, and user there will be sometimes hot and sometimes cold phenomenon during using.
Built-in heat exchange divides again coiled heat exchange and built-in courage formula heat exchange structure.The former is owing to being difficult to arrange exhaustion spill device, is therefore easy to produce gas in coil pipe and blocks up, affects heat transfer effect；Built-in courage formula heat exchange is to put in water heater liner by heat exchange inner bag smaller for volume, heat transferring medium circulates in small inner container, heat is passed to the water storage in water heater liner, its typical structure may refer to the Chinese patent literature of Application No. 200920310757.5, its weak point is that the heat exchange area of heat exchanger is less, and heat exchange efficiency is limited.And no matter external jacket for heat exchange or courage formula heat exchange, owing to take into account exhaust, overflow, exhaust outlet is generally arranged at the middle and upper part of heat exchanger, and this means that the part heat exchange area of heat exchanger can not effectively utilize.
Heat exchange efficiency is improved in order to increase heat exchange area, the Chinese patent application of Application No. 201210531460.8 disclosed " the solar splitting water tank of a kind of horizontal wall hanging belt corrugated liner heat exchanger " gives a kind of heat-exchange inner container, the two ends of this heat-exchange inner container are bellows-shaped structure, run through in courage and have blast pipe, left side is provided with and recycles pipe, and right side is provided with circulation inlet pipe.Owing to increase effectively heat exchange area, therefore, it is possible to improve heat transfer effect.However, studies have shown that, this only by increase heat exchange area heat exchanger heat exchange efficiency still have the potential to be tapped.
On the other hand, water heater heat storage water tank is a pressure vessel, internal pressure that inner bag inwall produces by water storage that what inner bag bore is, and the pressure reduction that built-in heat exchanger the most built-in courage the born pressure of formula heat exchanger is the water storage in inner bag and the cycle heat exchange medium in heat exchanger.Due to the generally Natural Circulation of the heat transferring medium in heat exchanger and be provided with blast pipe, so the pressure that heat exchanger is born can be approximately external pressure produced by the water storage in inner bag.In the ordinary course of things, pressure vessel bears the ability of external pressure and is much smaller than the ability bearing internal pressure, so during design heat storage water tank built-in heat exchanger, except heat exchange efficiency to be considered, also to take into account its bearing capacity.
Summary of the invention
It is an object of the invention to: on the basis of above-mentioned prior art, propose a kind of built-in corrugated formula heat exchanger that can significantly improve heat exchange efficiency further and there is good bearing capacity, provide its manufacture method simultaneously.
In order to reach object above, the basic technical scheme of the built-in corrugated formula heat exchanger of the present invention is: include the inner core with vertical mesopore, the cylindrical axially spaced-apart of described inner core is distributed one group of support chip radially extended, the outer rim of described support chip trough inner wall sealing corresponding with corrugated tube shape shell is connected, and forms one group of ring cavity；The superiors' ring cavity connects with circulation inlet pipe, and orlop ring cavity connects with recycling pipe, and the top of the superiors' ring cavity connects with escape pipe；In described ring cavity, the fixing spacer cut off, is shaped with intercommunicating pore at spacer between adjacent ring cavity；Upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence, thus forms circulation inlet pipe to recycling runner the most roundabout between pipe.
It is appreciated that, the present invention not only has the corrugated tube shape shell of big heat exchange area, and there is roundabout heat exchange runner, hence in so that heat exchange is the most abundant, heat exchange efficiency significantly improves, and support chip is while forming roundabout runner, also acts as inner support effect, the external pressure ability of bearing making shell is greatly enhanced, and kills two birds with one stone.
The present invention further improves to be had:
Described corrugated tube shape shell by bellows piece and lay respectively at bellows segment top and the upper cover of bottom and low head airtight be connected form.
The outside of described spacer forms the fluctuating edge coincideing with corrugated tube shape outer casing inner wall shape.
Described circulation inlet pipe, recycle pipe and blast pipe draw port the most down.
Described blast pipe draws by under curve bend after being extended upward by described upper cover.
The built-in corrugated formula heat exchanger method of the present invention comprises the following steps:
The first step, by corresponding mould, sheet material is rolled inner core, separately rolls out the semi-tubular a pair semicircle shell of ripple；
Second step, welding one group of support chip radially extending and being shaped with linked hole at the inner core cylindrical axially spaced-apart of vertically-arranged, weld spacer between neighbouring support chip, upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence；
3rd step, by outside involutory for a pair semicircle shell inner core wrapping in welding support chip, form corrugated tube shape shell, and make the trough inwall of corrugated tube shape shell connected with the sealing of corresponding support chip；
4th step, the superiors' ring cavity weld with circulation inlet pipe connection, and orlop ring cavity welds with recycling pipe connection, and the top of the superiors' ring cavity is welded with escape pipe connection.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the internal structure schematic perspective view of Fig. 1 embodiment.
Fig. 3 is the manufacture process schematic diagram of Fig. 1 embodiment.
Detailed description of the invention
It is further described with specific embodiment below in conjunction with the accompanying drawings:
The built-in corrugated formula heat exchanger of the present embodiment is hollow sleeve structure, as depicted in figs. 1 and 2, including the inner core 1 with vertical mesopore, cylindrical axially spaced-apart five layers of support chip 4-1 radially extended of distribution of this inner core 1, the outer rim trough inner wall sealing corresponding with corrugated tube shape shell 2 of each support chip 4 is connected, and forms one group of ring cavity.Corrugated tube shape shell 2 by bellows piece 2-2 and lay respectively at its top and bottom the airtight welding of upper cover 3-1 and low head 3-2 be connected form.The superiors' ring cavity welds connection by the import being positioned on inner core 1 with circulation inlet pipe 5, and orlop ring cavity welds connection by the outlet being positioned on low head 3-2 with recycling pipe 6, and the top upper cover 3-1 of the superiors' ring cavity welds connection with escape pipe 7.In ring cavity, the outside of the fixing spacer 4-2, spacer 4-2 cut off forms the fluctuating edge coincideing with corrugated tube shape shell 2 inner wall shape.At spacer 4-2, intercommunicating pore 4-3 it is shaped with between adjacent ring cavity；Upper and lower adjacent intercommunicating pore 4-3 lays respectively at the spacer 4-2 both sides of correspondence, thus in formation figure, circulation inlet pipe 5 shown in arrow is to recycling runner the most roundabout between pipe 6.Circulation inlet pipe 5, recycle pipe 6 and port drawn the most down by blast pipe 7, thus while having both circulation, scavenging action, also constitute the mounting structure (seeing Fig. 3) of heat exchanger, it is simple to coordinates with water heater liner installation to form reliable fixing.Blast pipe 7 draws by under curve bend after being extended upward by upper cover 3-1, thus has heat transferring medium concurrently and expand and scavenging action, decreases the effective heat exchange area expanding because of heat transferring medium and being vented and take.
The built-in corrugated formula heat exchanger processing process of the present embodiment is as it is shown on figure 3, comprise the following steps:
The first step, by corresponding mould, by completing punching, the sheet material of sandblasting rolls into inner core, separately rolls out the semi-tubular a pair semicircle shell bellows segment of ripple and upper and lower end socket；
Second step, welding one group of support chip radially extending and being shaped with linked hole at the inner core cylindrical axially spaced-apart of vertically-arranged, weld spacer between neighbouring support chip, upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence；
3rd step, by outside involutory for a pair semicircle shell bellows segment inner core wrapping in welding support chip, form corrugated tube shape shell, and make the trough inwall of corrugated tube shape shell connected with the sealing of corresponding support chip；Again by upper and lower end socket with involutory after bellows segment weld；
4th step, the superiors' ring cavity weld with circulation inlet pipe connection, and orlop ring cavity welds with recycling pipe connection, and the top of the superiors' ring cavity is welded with escape pipe connection.
The present embodiment does not fully extend heat exchange area only by ripple struction, and significantly improves heat transfer effect by roundabout runner, and substantially prolongs heat exchanger service life, and it is easy for installation, reliable.In addition to the implementation, the present invention can also have other embodiments.Such as corrugated tube shape shell and inner core can be the versions such as straight cylinder, helical form, corrugated, ribbing respectively.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (7)
1. a built-in corrugated formula heat exchanger, including the inner core with vertical mesopore, it is characterized in that: the cylindrical axially spaced-apart of described inner core is distributed one group of support chip radially extended, the outer rim of described support chip trough inner wall sealing corresponding with corrugated tube shape shell is connected, and forms one group of ring cavity；The superiors' ring cavity connects with circulation inlet pipe, and orlop ring cavity connects with recycling pipe, and the top of the superiors' ring cavity connects with escape pipe；In described ring cavity, the fixing spacer cut off, is shaped with intercommunicating pore at spacer between adjacent ring cavity；Upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence, thus forms circulation inlet pipe to recycling runner the most roundabout between pipe.
Built-in corrugated formula heat exchanger the most according to claim 1, it is characterised in that: described corrugated tube shape shell by bellows piece and lay respectively at bellows segment top and the upper cover of bottom and low head airtight be connected form.
Built-in corrugated formula heat exchanger the most according to claim 2, it is characterised in that: the outside of described spacer forms the fluctuating edge coincideing with corrugated tube shape outer casing inner wall shape.
Built-in corrugated formula heat exchanger the most according to claim 3, it is characterised in that: described circulation inlet pipe, recycle pipe and blast pipe draw port the most down.
Built-in corrugated formula heat exchanger the most according to claim 4, it is characterised in that: described blast pipe draws by under curve bend after being extended upward by described upper cover.
Built-in corrugated formula heat exchanger method the most according to claim 1, it is characterised in that comprise the following steps:
The first step, by corresponding mould, sheet material is rolled inner core, separately rolls out the semi-tubular a pair semicircle shell of ripple；
Second step, welding one group of support chip radially extending and being shaped with linked hole at the inner core cylindrical axially spaced-apart of vertically-arranged, weld spacer between neighbouring support chip, upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence；
3rd step, by outside involutory for a pair semicircle shell inner core wrapping in welding support chip, form corrugated tube shape shell, and make the trough inwall of corrugated tube shape shell connected with the sealing of corresponding support chip；
4th step, the superiors' ring cavity weld with circulation inlet pipe connection, and orlop ring cavity welds with recycling pipe connection, and the top of the superiors' ring cavity is welded with escape pipe connection.
Built-in corrugated formula heat exchanger method the most according to claim 2, it is characterised in that comprise the following steps:
The first step, by corresponding mould, by completing punching, the sheet material of sandblasting rolls into inner core, separately rolls out the semi-tubular a pair semicircle shell bellows segment of ripple and upper and lower end socket；
Second step, welding one group of support chip radially extending and being shaped with linked hole at the inner core cylindrical axially spaced-apart of vertically-arranged, weld spacer between neighbouring support chip, upper and lower adjacent intercommunicating pore lays respectively at the spacer both sides of correspondence；
3rd step, by outside involutory for a pair semicircle shell bellows segment inner core wrapping in welding support chip, form corrugated tube shape shell, and make the trough inwall of corrugated tube shape shell connected with the sealing of corresponding support chip；Again by upper and lower end socket with involutory after bellows segment weld；
4th step, the superiors' ring cavity weld with circulation inlet pipe connection, and orlop ring cavity welds with recycling pipe connection, and the top of the superiors' ring cavity is welded with escape pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385752.3A CN105910466B (en) | 2016-06-03 | 2016-06-03 | A kind of built-in corrugated formula heat exchanger and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385752.3A CN105910466B (en) | 2016-06-03 | 2016-06-03 | A kind of built-in corrugated formula heat exchanger and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910466A true CN105910466A (en) | 2016-08-31 |
| CN105910466B CN105910466B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610385752.3A Active CN105910466B (en) | 2016-06-03 | 2016-06-03 | A kind of built-in corrugated formula heat exchanger and its manufacture method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260302Y (en) * | 1995-04-04 | 1997-08-20 | 张继恩 | Circulating flowing type heat-exchange apparatus |
| CN201535642U (en) * | 2009-08-04 | 2010-07-28 | 山东力诺瑞特新能源有限公司 | Pressure bearing type heat-exchange water tank |
| CN201680757U (en) * | 2010-05-10 | 2010-12-22 | 常州宣纳尔新能源科技有限公司 | Water tank with corrugated inner container |
| CN103017377A (en) * | 2012-12-12 | 2013-04-03 | 江苏迈能高科技有限公司 | Solar split water tank for horizontal wall hanging belt corrugated liner heat exchanger |
| RU2486425C1 (en) * | 2012-01-23 | 2013-06-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | Heat exchange unit |
| CN205718573U (en) * | 2016-06-03 | 2016-11-23 | 江苏迈能高科技有限公司 | A kind of built-in corrugated formula heat exchanger |
-
2016
- 2016-06-03 CN CN201610385752.3A patent/CN105910466B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260302Y (en) * | 1995-04-04 | 1997-08-20 | 张继恩 | Circulating flowing type heat-exchange apparatus |
| CN201535642U (en) * | 2009-08-04 | 2010-07-28 | 山东力诺瑞特新能源有限公司 | Pressure bearing type heat-exchange water tank |
| CN201680757U (en) * | 2010-05-10 | 2010-12-22 | 常州宣纳尔新能源科技有限公司 | Water tank with corrugated inner container |
| RU2486425C1 (en) * | 2012-01-23 | 2013-06-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | Heat exchange unit |
| CN103017377A (en) * | 2012-12-12 | 2013-04-03 | 江苏迈能高科技有限公司 | Solar split water tank for horizontal wall hanging belt corrugated liner heat exchanger |
| CN205718573U (en) * | 2016-06-03 | 2016-11-23 | 江苏迈能高科技有限公司 | A kind of built-in corrugated formula heat exchanger |
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| Publication number | Publication date |
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| CN105910466B (en) | 2018-03-16 |
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