CN207831992U - high pressure compact heat exchanger - Google Patents
high pressure compact heat exchanger Download PDFInfo
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- CN207831992U CN207831992U CN201721824092.0U CN201721824092U CN207831992U CN 207831992 U CN207831992 U CN 207831992U CN 201721824092 U CN201721824092 U CN 201721824092U CN 207831992 U CN207831992 U CN 207831992U
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- heat exchanger
- exchanger plates
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Abstract
The utility model provides a kind of high pressure compact heat exchanger, arranges that the heat exchanger plates pair overlapped layer by layer, the both ends of heat exchanger plates pair are each passed through a tube sheet, are connected respectively with shell both ends on the inside of two tube sheets, are connected respectively with a joint sealing on the outside of two tube sheets in shell；Heat exchanger plates form low-pressure side fluid channel to inside, and high-pressure side fluid channel is formed between heat exchanger plates pair and heat exchanger plates pair；High pressure side-entrance linkage section and high pressure side outlet linkage section are respectively arranged on shell both ends, and are connected respectively with the import and export of the high-pressure side fluid channel；Low pressure side-entrance linkage section and low side outlets linkage section are each passed through two joint sealings, and are connected respectively with the import and export of the low-pressure side fluid channel.The heat exchange of High Pressure Difference fluid can be realized between the utility model heat exchanger plates without diffusion welding (DW)；Apparatus structure is simple, convenient processing and manufacture, low cost；Compactness and heat transfer property are suitable with diffusion welding (DW) printed circuit sheet heat exchanger.
Description
Technical field
The utility model is related to a kind of heat exchanger more particularly to a kind of high pressure compact heat exchangers.
Background technology
In recent years, with the row such as aerospace, naval vessel, ocean platform, forth generation nuclear power, photo-thermal power generation, distributed energy
The development of industry, the demand to all kinds of compact heat exchangers are increasingly urgent to, and also require heat exchanger to meet efficient, high temperature resistant is high
Pressure, design object compact-sized, volume and weight is small.In addition, in some cutting edge technology fields, such as：Novel is overcritical
In carbon dioxide Bretton power cycle power generator, the heat exchange of efficient gas and gas or gas and supercritical fluid is needed
Device, meanwhile, for control cost and reduce volume, it is desirable that use compact heat exchanger.
Currently, diffusion welding (DW) printed circuit sheet heat exchanger receives significant attention, its advantage is that hydraulic diameter is small (1mm or so),
Compactness is high (up to 2500m2/m3More than), high temperature and pressure can be born, disadvantage mainly there are two aspects：First, diffusion welding (DW) makes work
Skill cost is too high, and the heat exchange module size that can be made is smaller；Second is that selection is only limitted to a few material trademark, such as：304/316
Austenitic stainless steel, nickel-based alloys, copper etc..In addition, the inspection and maintenance of diffusion welding (DW) printed circuit board heat-exchanger products also have
Inconvenience.If printed circuit sheet heat exchanger exempting from diffusion welding (DW), can bearing high temperature and pressure can be realized, on making up
Disadvantage is stated, it is significant to expand market application range.In the heat exchanger types of all kinds of classics, shell-and-tube heat exchanger application is wide
General, technology maturation.Shell-and-tube heat exchanger is combined with printed circuit sheet heat exchanger, and uses positive differential pressure (shell side pressure>Tube side
Pressure), it is expected to realize above-mentioned imagination, and there are no relevant report in industry.
Utility model content
How realizing that the printed circuit board for exempting from diffusion welding (DW) exchanges heat the technical problem to be solved by the present invention is to provide a kind of
Device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of high pressure compact heat exchanger,
It is characterized in that：Including shell, the heat exchanger plates pair that arrangement overlaps layer by layer in shell, the both ends of heat exchanger plates pair are each passed through a pipe
Plate, two tube sheets insides are connected with shell both ends, are connected respectively with a joint sealing on the outside of two tube sheets respectively；
Heat exchanger plates form low-pressure side fluid channel to inside, and it is logical that high pressure side liquid is formed between heat exchanger plates pair and heat exchanger plates pair
Road；High pressure side-entrance linkage section and high pressure side outlet linkage section are respectively arranged on shell both ends, and respectively with the high pressure side liquid
The import and export in channel is connected；Low pressure side-entrance linkage section and low side outlets linkage section are each passed through two joint sealings, and respectively with
The import and export of the low-pressure side fluid channel is connected.
Preferably, the heat exchanger plates are formed to being bonded to each other pairing by two pieces of heat exchanger plates, being arranged symmetrically in minute surface；Every piece is changed
The front and back of hot plate is equipped with spaced conduit and rib, and adjacent conduit is separated by rib.
It is highly preferred that the conduit on each face of heat exchanger plates is mutually parallel.
It is highly preferred that the conduit section on the heat exchanger plates is arc-shaped, the two-sided wrong arrangement of conduit submission.
It is highly preferred that the conduit on the heat exchanger plates two sides heat exchanger plates both ends changeover portion is not parallel, interlude is mutually equal
Row.
It is highly preferred that the long side edge welded seal of two pieces of heat exchanger plates of the heat exchanger plates pair, in heat exchanger plates to inside two
The channel of low pressure side liquid is formed between block heat exchanger plates.
Preferably, the shell is cylinder.
Preferably, the heat exchanger plates are to be suitble to the different in width of inner walls size to overlap layer by layer, being placed in shell.
Preferably, the equal welded seal in the gap between adjacent heat exchanger plates pair and the gap between heat exchanger plates pair and tube sheet.
Preferably, the heat exchanger plates to the high-pressure side of the both ends shape turning in 90 ° of upper high-pressure side fluid channel into and out of making a slip of the tongue
A section conduit is crossed, high-pressure side import and export changeover portion conduit extends to the side of heat exchanger plates pair, forms high pressure side-entrance and high-pressure side goes out
Mouthful；High pressure side-entrance and high pressure side outlet are connect with the high pressure side-entrance linkage section and high pressure side outlet linkage section respectively.
Preferably, the shell forms high-pressure side pressure-bearing boundary with tube sheet junction, and tube sheet forms low with joint sealing junction
Press side pressure-bearing boundary.
Preferably, the heat exchanger plates are made of each metalloid material that can process conduit by chemical etching.
Preferably, the conduit of the heat exchanger plates is processed using chemical etching.
It is highly preferred that the conduit uses straight line or wave form, discontinuous structure can also be used, form serpentine
Or the rib of wing-shaped structure.
The application method of above-mentioned high pressure compact heat exchanger is as follows：First, high-pressure fluid is from high pressure side-entrance linkage section
It is input to shell, the high-pressure side fluid channel along shell side flows to high pressure side outlet linkage section；Then, low-pressure fluid from low-pressure side into
Mouth linkage section is input to shell, and the low-pressure side fluid channel along plate journey flows to low side outlets linkage section；Ensure heat exchanger plates to beginning
It is acted on eventually in positive differential pressure, makes heat exchanger plates to being in compression stress, to keep the integrality of pressure boundary, high and low pressure
Fluid is by heat exchanger plates to isolation；Shell bears the pressure of high pressure side liquid with tube sheet；In flow process, high pressure side liquid and low pressure
Side liquid conducts heat；At the end of work, low-pressure lateral pressure is first laid down, then lay down high side pressure, it is ensured that heat exchanger plates are to always
It is acted in positive differential pressure.
Preferably, the flow direction of the fluid is adverse current.
Device provided by the utility model overcomes the deficiencies in the prior art, can be realized without diffusion welding (DW) between heat exchanger plates
The heat exchange of High Pressure Difference fluid；Heat exchanger plates can be selected it is any can chemical etching metal material, do not limited by diffusion welding craft；Add
Work manufacture is all made of ripe, inexpensive technique, low cost；Compactness and heat transfer property with diffusion welding (DW) printed circuit board
Heat exchanger is suitable.
Description of the drawings
Fig. 1 is the utility model heat exchange plate structure schematic diagram；(a) Facad structure；(b) backside structure；
Fig. 2 is the utility model heat exchanger plates to structural schematic diagram；
Fig. 3 is the utility model heat exchanger plates to interlude cross-sectional view；
Fig. 4 is the utility model heat exchanger tube sheet and heat exchanger plates fit structure schematic diagram；
Fig. 5 is the overall structure diagram of the utility model high pressure compact heat exchanger；
Reference sign：
1- heat exchanger plates, 2- conduits, 3- ribs, 4- heat exchanger plates pair, 5- heat exchanger plates are to edge weld, 6- tube sheets, 7- heat exchanger plates pair
End weld, 8- tube sheets and heat exchange plate welding seams, 9- shells, 10- high pressure side-entrance linkage sections, 11- high pressure side outlet linkage sections,
12- joint sealings, 13- low pressure side-entrance linkage sections, 14- low side outlets linkage sections.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.
Fig. 1 is heat exchange plate structure schematic diagram, and the front and back of the heat exchanger plates 1 is equipped with spaced conduit 2
With rib 3.I.e.：Conduit 2 is formed between adjacent rib 3, adjacent conduit 2 is separated by rib 3.Conduit 2 on each face is mutually parallel.Two
The conduit 2 in face is not parallel in the both ends changeover portion of heat exchanger plates 1, and interlude is parallel to each other.Conduit section on heat exchanger plates 1 is in circular arc
Shape.
In conjunction with Fig. 2, two pieces of heat exchanger plates 1 mutually fit, and are symmetrical arranged in minute surface, form heat exchanger plates pair 4.Heat exchanger plates pair 4
Long side forms encapsulation boundary by heat exchanger plates to edge weld 5.The channel of low pressure side liquid is formed inside heat exchanger plates pair 4.
In conjunction with Fig. 3, when two groups of heat exchanger plates pair 4 overlap, two groups of heat exchanger plates pair 4 are in staggeredly in the two-sided conduit 1 of interlude
Arrangement.
In conjunction with Fig. 4, heat exchanger plates pair 4 are fabricated to different in width, overlap layer by layer.The both ends end of adjacent heat exchanger plates pair 4 is formed
Heat exchanger plates are to end weld 7.The both ends of heat exchanger plates pair 4 after overlapping layer by layer are each passed through a tube sheet 6, heat exchanger plates pair 4 and tube sheet 6
Between formed tube sheet with heat exchange plate welding seams 8.Sealing strip is formed with heat exchange plate welding seams 8 to end weld 7 and tube sheet by heat exchanger plates
Boundary.The channel of high pressure side liquid is formed between heat exchanger plates pair 4 and heat exchanger plates pair 4.The high-pressure side at the both ends of heat exchanger plates pair 4 into,
The 90 ° of turnings of outlet transition section conduit, and form high pressure side-entrance and high pressure side outlet in the side of heat exchanger plates pair 4.
In conjunction with Fig. 5, high pressure compact heat exchanger includes shell 9, and the heat exchanger plates pair 4 overlapped layer by layer, high pressure are arranged in shell 9
Side-entrance linkage section 10 and high pressure side outlet linkage section 11 are arranged at the both ends of shell 9, respectively with the high-pressure side on heat exchanger plates pair 4
Import is connected with high pressure side outlet.9 both ends of shell connect to form high-pressure side pressure-bearing boundary with 6 side of the tube sheet at both ends respectively, and two
6 other side of tube sheet at end connect to form low-pressure side pressure-bearing boundary with a joint sealing 12 respectively, two joint sealings 12 respectively with low-pressure side into
Mouth linkage section 13 and low side outlets linkage section 14 connect.
The working method of above-mentioned high pressure compact heat exchanger is as follows：
First, high-pressure fluid is input to shell 9 from high pressure side-entrance linkage section 10, and high pressure side outlet connection is flowed to along shell side
Section 11；Then, low-pressure fluid is inputted from low pressure side-entrance linkage section 13, and low side outlets linkage section 14 is flowed to along plate journey；Ensure
Heat exchanger plates pair 4 are in positive differential pressure and act on always, so that heat exchanger plates pair 4 is in compression stress, can keep the complete of pressure boundary
Property, the fluid of both sides is isolated by heat exchanger plates pair 4；Shell 9 bears the pressure of high pressure side liquid with tube sheet 6；Flow process mesohigh
It is conducted heat by heat exchanger plates 1 with low pressure side liquid side；At the end of work, low-pressure lateral pressure is first laid down, then lays down high pressure side pressure
Power, it is ensured that heat exchanger plates pair 4 are in positive differential pressure and act on always.
The above, the only preferred embodiment of the utility model, it is in any form and substantive not to the utility model
On limitation, it is noted that for those skilled in the art, in the premise for not departing from the utility model method
Under, several improvement and supplement can be also made, these are improved and supplement also should be regarded as the scope of protection of the utility model.It is all ripe
Professional and technical personnel is known, in the case where not departing from the spirit and scope of the utility model, when using disclosed above
Technology contents and the equivalent variations of a little variation, modification and evolution made, be the equivalent embodiment of the utility model；Together
When, all substantial technologicals according to the utility model to the variation, modification and evolution of any equivalent variations made by above-described embodiment,
In the range of still falling within the technical solution of the utility model.
Claims (10)
1. a kind of high pressure compact heat exchanger, it is characterised in that：Including shell (9), the heat exchange overlapped layer by layer is arranged in shell (9)
For plate to (4), heat exchanger plates are each passed through a tube sheet (6) to the both ends of (4), on the inside of two tube sheets (6) respectively with shell (9) both ends
It is connected, is connected respectively with a joint sealing (12) on the outside of two tube sheets (6)；
Heat exchanger plates form high-pressure side to (4) and heat exchanger plates to forming low-pressure side fluid channel, heat exchanger plates inside (4) between (4)
Fluid channel；High pressure side-entrance linkage section (10) and high pressure side outlet linkage section (11) are respectively arranged on shell (9) both ends, and respectively
It is connected with the import and export of the high-pressure side fluid channel；Low pressure side-entrance linkage section (13) and low side outlets linkage section (14)
Two joint sealings (12) are each passed through, and are connected respectively with the import and export of the low-pressure side fluid channel.
2. a kind of high pressure compact heat exchanger as described in claim 1, it is characterised in that：The heat exchanger plates are to (4) by two pieces
Heat exchanger plates (1) are bonded to each other pairing, are arranged symmetrically composition in minute surface；The front and back of every piece of heat exchanger plates (1) is equipped with interval
The conduit (2) and rib (3) of setting, adjacent conduit (2) are separated by rib (3).
3. a kind of high pressure compact heat exchanger as claimed in claim 2, it is characterised in that：On each face of the heat exchanger plates (1)
Conduit (2) be mutually parallel.
4. a kind of high pressure compact heat exchanger as claimed in claim 3, it is characterised in that：The slot on heat exchanger plates (1) two sides
Road (2) heat exchanger plates (1) both ends changeover portion is not parallel, interlude is parallel to each other.
5. a kind of high pressure compact heat exchanger as claimed in claim 2, it is characterised in that：Conduit (2) section is in circular arc
Shape.
6. a kind of high pressure compact heat exchanger as claimed in claim 2, it is characterised in that：The conduit (2) is straight line or wave
Unrestrained line form.
7. a kind of high pressure compact heat exchanger as claimed in claim 2, it is characterised in that：Two pieces to (4) of the heat exchanger plates
The long side edge welded seal of heat exchanger plates (1) forms low pressure side liquid in heat exchanger plates between (4) internal two pieces of heat exchanger plates (1)
Channel.
8. a kind of high pressure compact heat exchanger as described in claim 1, it is characterised in that：The heat exchanger plates are to (4) to be suitble to
The different in width of shell (9) inner wall size overlaps layer by layer, is placed in shell (9).
9. a kind of high pressure compact heat exchanger as described in claim 1, it is characterised in that：Adjacent heat exchanger plates are between (4)
The equal welded seal in gap of gap and heat exchanger plates between (4) and tube sheet (6).
10. a kind of high pressure compact heat exchanger as described in claim 1, it is characterised in that：The heat exchanger plates are to high pressure on (4)
The high-pressure side import and export changeover portion conduit of the both ends shape turning in 90 ° in side liquid channel, high-pressure side import and export changeover portion conduit
Side of the heat exchanger plates to (4) is extended to, high pressure side-entrance and high pressure side outlet are formed；High pressure side-entrance and high pressure side outlet difference
It is connect with the high pressure side-entrance linkage section (10) and high pressure side outlet linkage section (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824092.0U CN207831992U (en) | 2017-12-22 | 2017-12-22 | high pressure compact heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824092.0U CN207831992U (en) | 2017-12-22 | 2017-12-22 | high pressure compact heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207831992U true CN207831992U (en) | 2018-09-07 |
Family
ID=63388997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824092.0U Active CN207831992U (en) | 2017-12-22 | 2017-12-22 | high pressure compact heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207831992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966055A (en) * | 2017-12-22 | 2018-04-27 | 上海发电设备成套设计研究院有限责任公司 | A kind of high pressure compact heat exchanger and its method of work |
-
2017
- 2017-12-22 CN CN201721824092.0U patent/CN207831992U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966055A (en) * | 2017-12-22 | 2018-04-27 | 上海发电设备成套设计研究院有限责任公司 | A kind of high pressure compact heat exchanger and its method of work |
| CN107966055B (en) * | 2017-12-22 | 2024-02-02 | 上海发电设备成套设计研究院有限责任公司 | High-pressure compact heat exchanger and working method thereof |
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