CN204594290U - A kind of welding board frame type heat-exchanger - Google Patents
A kind of welding board frame type heat-exchanger Download PDFInfo
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- CN204594290U CN204594290U CN201520213818.1U CN201520213818U CN204594290U CN 204594290 U CN204594290 U CN 204594290U CN 201520213818 U CN201520213818 U CN 201520213818U CN 204594290 U CN204594290 U CN 204594290U
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Abstract
A kind of welding board frame type heat-exchanger, comprise welding heat exchanger plates bundle, plate bundle cool and heat ends bobbin carriage, hot and cold medium import and export adapter, first, second pressure strip forms the framework with space structure with clamping stud nut, erecting and welding heat exchanger plates bundle in this framework, first, second pressure strip is compressed by clamping stud nut and fixes welding heat exchanger plates bundle; Described welding heat exchanger plates bundle to be taken over hot and cold medium import and export by plate bundle cool and heat ends bobbin carriage and is connected, thus forms welding board frame type heat-exchanger.The utility model solves the thermal expansion deformation problem of plate type heat exchanger in real work, has replaceable plate bundle, heat resisting and pressure resisting, overall compact degree advantages of higher.
Description
Technical field
The utility model belongs to heat exchanger designs and manufacturing technology field, is specifically related to a kind of welding board frame type heat-exchanger of compact conformation.
Background technology
According to the difference of connected mode, plate type heat exchanger is mainly divided into detachable plate heat exchanger and full-welding plate-type heat exchanger.Detachable plate heat exchanger has and is easy to dismounting and the plurality of advantages such as maintenance, compact conformation, but is subject to the restriction of gasket seal physical property, and it is withstand voltage and heat resistance is lower, resistance to corrosion is weak, be of limited application.Full-welding plate-type heat exchanger has the advantages such as heat resisting and pressure resisting ability is high, corrosion resistance is strong, but by the constraint of all-welded structure, its thermal stress is comparatively large, cannot dismantle carry out maintaining, processing and manufacturing process is complicated.
The applied environment more complicated of plate type heat exchanger, often encounter severe operation operating mode, as: the temperature difference of cold fluid and hot fluid is comparatively large or hot fluid temperature is high, this operating mode is very harsh to the requirement of equipment, existing detachable plate heat exchanger plate bundle, can produce very large thermal expansion in the case of a high temperature, but due to the fixed constraint of upper lower guide rod, the upward-downward translation displacement of plate bundle will be restricted, thus plate Shu Wufa free-extension.Along with the prolonged expansion of plate bundle, and then plate is distorted distortion, can causes pad place that the leakage of fluid occurs time serious, thus plate type heat exchanger was lost efficacy; And existing full-welding plate-type heat exchanger, its plate bundle and external frame are made up of dissimilar materials usually, due to the difference of linear expansion coefficient, cause commissure to produce larger thermal stress, are easy to the phenomenon that weld cracking occurs, thus cause plate type heat exchanger to lose efficacy.Meanwhile, due to the constraint by external frame, along with the increase of plate bundle swell increment, and then plate bundle is caused to ftracture, until plate bundle lost efficacy.Visible: existing heat exchanger, no matter be detachable plate heat exchanger, or full-welding plate-type heat exchanger, all cannot meet such operating mode.Moreover no matter be distortion, or reveal, all can cause the destruction of heat exchanger structure, bring serious potential safety hazard to daily production.
Therefore, exploitation one integrates detachable, full welded type advantage simultaneously, and can solve the plate type heat exchanger of thermal expansion deformation problem well, is industrial needing when business.
Utility model content
The utility model object is to carry out technological improvement to the design of existing plate type heat exchanger, provides a kind of welding board frame type heat-exchanger solving thermal expansion deformation problem, simultaneously compact conformation, heat resisting and pressure resisting.
For this reason, the technical scheme adopted is:
A kind of welding board frame type heat-exchanger, comprise welding heat exchanger plates bundle, plate bundle cool and heat ends bobbin carriage, hot and cold medium import and export adapter, first, second pressure strip forms the framework with space structure with clamping stud nut, erecting and welding heat exchanger plates bundle in this framework, first, second pressure strip is compressed by clamping stud nut and fixes welding heat exchanger plates bundle; Described welding heat exchanger plates bundle to be taken over hot and cold medium import and export by plate bundle cool and heat ends bobbin carriage and is connected, thus forms welding board frame type heat-exchanger.
First, second pressure strip welds with pull bar and forms general frame; Erecting and welding heat exchanger plates bundle in this general frame, first, second pressure strip passes through draw-in groove and the pull bar fixing welding heat exchanger plates bundle of inner setting; Described welding heat exchanger plates bundle to be taken over hot and cold medium import and export by plate bundle cool and heat ends bobbin carriage and is connected, thus forms welding board frame type heat-exchanger.
The plate forming described welding heat exchanger plates bundle is hexagon corrugated cardboard sheet, and plate upper and lower side Delta Region is distribution guiding region, and rectangular area, middle part is heat transfer zone.
The flow direction of the intrafascicular cold and hot medium of described welding heat exchanger plates is monolateral stream or to angular flux; Its flow process is single process or is multipaths.
On first pressure strip described in during single process operating mode, hot and cold medium import and export takes over the via hole passed through is Long Circle, without via hole on the second pressure strip; On first, second pressure strip described in during multipaths operating mode, hot and cold medium import and export takes over the via hole passed through is Long Circle.
Described hot and cold medium imports and exports the upper and lower side that adapter is positioned at described welding heat exchanger plates bundle, without via hole on first, second pressure strip.
The beneficial effect that the utility model obtains:
Be connected because pressure strip does not structurally fix with welding heat exchanger plates bundle in the utility model, be two independences, detachable blocks, pressure strip does not arrange lower guide rod, therefore compared to detachable plate heat exchanger, under the operating mode that the temperature difference is comparatively large or hot fluid temperature is high of cold fluid and hot fluid, owing to not going up the restraining force of lower guide rod, plate bundle can stretch up and down after producing thermal expansion in framework, solves the problem of detachable plate heat exchanger plate bundle thermal expansion deformation and the leakage of pad place; And compared to full-welding plate-type heat exchanger, under above-mentioned operating mode, because welding heat exchanger plates bundle and external frame do not adopt welding manner to fix, the difference considering dissimilar materials linear expansion coefficient is no longer needed during welding heat exchanger plates bundle expanded by heating, simultaneously plate bundle can free-extension by external frame constraint, solves the problem that full-welding plate-type heat exchanger plate bundle swelling cracking lost efficacy.Thereby is achieved a kind of heat exchanger of detachable, heat resisting and pressure resisting, plate bundle energy free-extension.
The utility model, when not changing outer tube structure, can be changed original detachable plate heat exchanger, owing to adopting full welded plate bundle, expands the scope of application of heat exchanger, decreases the possibility of leakage; When leaking in plate bundle, blocking, remove the bolt on framework, can will repair or replace plate bundle.
The utility model compact conformation, floor space be little, be convenient to processing and manufacturing.
In the utility model, cold fluid and hot fluid can realize countercurrent flow, also can realize following current heat exchange; Can be applicable to the heating in the fields such as chemical industry, oil, power, metallurgy, cooling without phase transformation occasion, also can be used for evaporating, the phase transformation occasion of condensation.
Accompanying drawing explanation
Fig. 1 a is the utility model adapter homonymy distribution heat exchanger overall structure front view;
Fig. 1 b is the left view of Fig. 1 a;
Fig. 1 c be in Fig. 1 a A-A to sectional view;
Fig. 2 a is the utility model adapter distribution heat exchanger overall structure front view up and down;
Fig. 2 b is the left view of Fig. 2 a;
Fig. 2 c be in Fig. 2 a A-A to sectional view;
Fig. 3 a is the utility model pull bar integral frame-type heat exchanger structure front view;
Fig. 3 b is the left view of Fig. 3 a;
Fig. 3 c is B portion enlarged diagram in Fig. 3 a;
Fig. 4 is the via hole schematic diagram on the utility model pressure strip.
In figure: 1. the first pressure strip, 2. the second pressure strip, 3. clamp nut, 4. clamping stud, 5. welding heat exchanger plates bundle, 6. plate bundle cold-side inlet bobbin carriage, 7. cold fluid inlet pipe, 8. plate bundle hot junction outlet bobbin carriage, 9. hot fluid outlet ports pipe, 10. plate bundle cold side outlet bobbin carriage, 11. cold fluid outlet pipes, 12. plate bundle hot-side inlet bobbin carriages, 13. thermal fluid inlet pipes, 14. bases, 15. pull bars, 16. via holes.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model and beneficial effect thereof are further illustrated.
Embodiment 1, under single process operating mode, with reference to accompanying drawing 1a, 1b, 1c, cold fluid and hot fluid adopts counter-flow arrangement, side is entered side and gone out, and it is to angular flux that plate bundle inner fluid flows to, one welding board frame type heat-exchanger involved by this embodiment, comprise welding heat exchanger plates bundle 5, first, second pressure strip 1,2, clamping stud nut 4,3, plate bundle cool and heat ends import and export bobbin carriage, the parts such as hot and cold medium import and export adapter.
First, second pressure strip 1,2 described, clamping stud nut 4,3 forms the framework of heat exchanger, and framework can adopt carbon steel material, and function is load bearing equipment deadweight, loading plate bundle, provides support to it.Hexagon plate can adopt the material such as stainless steel, nickel-based alloys, and form heat exchanger plates bundle by welding, plate Shu Zuowei heat exchanger core element, completes the exchange heat of cold fluid and hot fluid.Plate bundle and pressure strip are bolted, the two does not connect as one, separate, the via hole 16 of the first pressure strip (shown in Fig. 4) is Long Circle simultaneously, this structure moves up and down when being beneficial to plate bundle expanded by heating in framework, free-extension, reduce plate bundle to expand suffered resistance, efficiently solve the problem that difference of linear expansion that plate bundle thermal expansion deformation and plate bundle and external frame cause because material is different is larger.When described plate bundle pressure-bearing hold warm ability do not meet in technological requirement or plate bundle leak, blocking time, remove bolt, can change plate Shu Jinhang.
As shown in figure ib, the import and export adapter of cold fluid and hot fluid is positioned at pressure strip the same side, improves the integrally-built compactness of heat exchanger, is convenient to processing and manufacturing, replaceable existing detachable plate type product.
As shown in figure ic, plate Shu Lengduan bobbin carriage is two individual tubes box structures, and hot junction bobbin carriage is two individual tubes box structures, and cold and hot bobbin carriage is not connected, and plate bundle is imported and exported to take over by bobbin carriage and cold fluid and hot fluid and is connected.The position of opening of adapter is positioned on bobbin carriage circular arch side plate.Plate bundle and bobbin carriage, adopt between bobbin carriage and adapter and be welded to connect.Before cold fluid and hot fluid enters plate bundle by adapter entrance, can install liquid/gas body distributor in advance on entrance bobbin carriage, then cold fluid and hot fluid enters plate bundle respective channel equably, in plate bundle, exchange heat occurs, this distributor can improve heat exchange property, avoids the situation producing skewness.
Welding heat exchanger plates bundle 5 adopts hexagon corrugated cardboard sheet, and formed through punch process by metal sheet, dimple can be the combination of blister, strip or herringbone or even above-mentioned three.Plate is made up of the Triangle-Profile guiding region 101,103 at upper and lower two ends and the rectangular heat conduction district 102 at middle part.Two corrugated cardboard sheets to together, form a kind of circulation passage of fluid by soldering group; Plate is to being stacked together between two, and between plate pair, the both sides in rectangular heat conduction district add that panel welds, and Triangle-Profile district hypotenuse is relative between two, this hypotenuse is welded to the circulation passage of rear formation one other fluid.Because plate is without corner apertures, therefore circulation area increases, and resistance reduces, and sheet direction is very thin simultaneously, so good heat conductivity, heat transfer coefficient are high.
Embodiment 2, under multipaths operating mode, the implementation process of embodiment 2 is substantially identical with the implementation process of embodiment 1.Difference is that the hot and cold medium import and export adapter of embodiment 2 is positioned at first, second pressure strip 1,2 both sides, and it is Long Circle that hot and cold medium import and export takes over the via hole 16 passed through on first, second pressure strip 1,2.
Embodiment 3, shown in accompanying drawing 2a, 2b, 2c, the implementation process of embodiment 3 is substantially identical with the implementation process of embodiment 1.Difference is that the cold fluid and hot fluid of embodiment 2 is imported and exported adapter and is positioned at the upper and lower both sides of plate bundle, the position of opening of adapter is positioned on the upside of bobbin carriage circular arch, therefore on first, second pressure strip 1,2 without the need to arranging perforate, cold fluid and hot fluid straight up and down enters bobbin carriage, can obtain better heat transfer effect.
Embodiment 4, with reference to accompanying drawing 3a, 3b, 3c, the implementation process of embodiment 4 is substantially identical with the implementation process of embodiment 1.Difference is that first, second pressure strip 1,2 inside of embodiment 3 arranges fixed length groove, engage with the bearing that plate bundle side plate welds, do up fixed support effect to plate, simultaneously due to groove size leaving surplus, plate bundle can move up and down in pressure strip.Clamping stud replaces with pull bar, and pull bar 15 and first, second pressure strip 1,2 are welded together to form general frame, no longer need to arrange clamping stud nut, make board frame type heat-exchanger structure compacter.
The parameter such as length and width, thickness of the length and width of pressure strip, thickness and plate bundle plate, the flow direction of cold fluid and hot fluid in plate both sides and flow process number, can adjust according to actual needs.
During utility model works, cold fluid and hot fluid enters bobbin carriage by respective adapter entrance, evenly enters plate bundle through distributor, cold and hot different fluid flows in the both sides of corrugated plating, because the temperature difference exists, hot fluid transfers heat to cold fluid, thus realizes the object of heat exchange.
Claims (6)
1. a welding board frame type heat-exchanger, comprise welding heat exchanger plates bundle, plate bundle cool and heat ends bobbin carriage, hot and cold medium import and export adapter, it is characterized in that: first, second pressure strip (1,2) forms the framework with space structure with clamping stud nut (4,3), erecting and welding heat exchanger plates bundle (5) in this framework, first, second pressure strip (1,2) is compressed by clamping stud nut (4,3) and fixes welding heat exchanger plates bundle (5); Described welding heat exchanger plates bundle (5) to be taken over hot and cold medium import and export by plate bundle cool and heat ends bobbin carriage and is connected, thus forms welding board frame type heat-exchanger.
2. weld board frame type heat-exchanger as claimed in claim 1, it is characterized in that: first, second pressure strip (1,2) welds with pull bar (15) and forms general frame; Erecting and welding heat exchanger plates bundle (5) in this general frame, first, second pressure strip (1,2) passes through draw-in groove and the pull bar (15) fixing welding heat exchanger plates bundle (5) of inner setting; Described welding heat exchanger plates bundle (5) to be taken over hot and cold medium import and export by plate bundle cool and heat ends bobbin carriage and is connected, thus forms welding board frame type heat-exchanger.
3. weld board frame type heat-exchanger as claimed in claim 1 or 2, it is characterized in that: the plate forming described welding heat exchanger plates bundle (5) is hexagon corrugated cardboard sheet, plate upper and lower side Delta Region is distribution guiding region, and rectangular area, middle part is heat transfer zone.
4. weld board frame type heat-exchanger as claimed in claim 3, it is characterized in that: in described welding heat exchanger plates bundle (5), the flow direction of cold and hot medium is monolateral stream or to angular flux; Its flow process is single process or is multipaths.
5. weld board frame type heat-exchanger as claimed in claim 4, it is characterized in that: it is Long Circle that the upper hot and cold medium import and export of the first pressure strip (1) described in during single process operating mode takes over the via hole (16) passed through, and the second pressure strip (2) is upper without via hole; It is Long Circle that the upper hot and cold medium import and export of first, second pressure strip described in during multipaths operating mode (1,2) takes over the via hole (16) passed through.
6. weld board frame type heat-exchanger as claimed in claim 3, it is characterized in that: described hot and cold medium imports and exports the upper and lower side that adapter is positioned at described welding heat exchanger plates bundle (5), first, second pressure strip (1,2) is upper without via hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520213818.1U CN204594290U (en) | 2015-04-10 | 2015-04-10 | A kind of welding board frame type heat-exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520213818.1U CN204594290U (en) | 2015-04-10 | 2015-04-10 | A kind of welding board frame type heat-exchanger |
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| CN204594290U true CN204594290U (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748591A (en) * | 2015-04-10 | 2015-07-01 | 甘肃蓝科石化高新装备股份有限公司 | Welded plate frame type heat exchanger |
| CN105444595A (en) * | 2015-12-09 | 2016-03-30 | 无锡西源电力装备厂 | Heat exchanger |
-
2015
- 2015-04-10 CN CN201520213818.1U patent/CN204594290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748591A (en) * | 2015-04-10 | 2015-07-01 | 甘肃蓝科石化高新装备股份有限公司 | Welded plate frame type heat exchanger |
| CN105444595A (en) * | 2015-12-09 | 2016-03-30 | 无锡西源电力装备厂 | Heat exchanger |
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