CN105352356B - A kind of corrugated cardboard sheet of pressure-bearing enhancing - Google Patents
A kind of corrugated cardboard sheet of pressure-bearing enhancing Download PDFInfo
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- CN105352356B CN105352356B CN201510759650.9A CN201510759650A CN105352356B CN 105352356 B CN105352356 B CN 105352356B CN 201510759650 A CN201510759650 A CN 201510759650A CN 105352356 B CN105352356 B CN 105352356B
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- corrugated cardboard
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Abstract
A kind of corrugated cardboard sheet of pressure-bearing enhancing, the corrugated cardboard sheet are rectangular configuration, length-width ratio L/W=2.8~3.0 of the rectangular configuration.The corrugated cardboard sheet is made up of the major part of mouth of pipe area five of edge supports area, the seal area on the inside of edge supports area, the heat transfer zone at middle part, the guiding region at heat transfer zone both ends, guiding region side.While the present invention has high heat transfer, low flow resistance and high trafficability performance, bearing capacity is significantly improved, suitable for below 3.0MPa, or is had under the operating mode of larger pressure oscillation.
Description
Technical field
The present invention relates to a kind of heat transfer element of heat transmission equipment to design and develop and fabricate field, refers specifically to detachable plate type
A kind of corrugated cardboard sheet of pressure-bearing enhancing of heat exchanger.
Background technology
Detachable plate type heat exchanger has the advantages that heat transfer efficiency is high, floor space is small, unpicks and washes easy for installation, economical and energy saving,
It is widely used in petrochemical industry, light industry and food, the field such as energy supply for metallurgy and energy-conserving and environment-protective, but detachable plate type heat exchanger is scarce
Point is it is also obvious that operating pressure is less than 2.5MPa, and pressure oscillation is small.
It is domestic at present most of template be only used for below 2.0MPa operating mode, the bearing capacity of plate is poor, sternly
The application of dismountable plate type heat exchanger is limited again.In order to improve the load performance of complete machine, prevent leakage, it is common practice to subtract
Small compression size, this can cause plate and ripple gross distortion, plate to reuse, shorten the service life of equipment, pass
Hot property and the problems such as do not reach design objective by performance；Or the thickness of increase plate, it can so significantly improve production
Cost.
The content of the invention
The present invention provides a kind of corrugated cardboard sheet of pressure-bearing enhancing, has high heat transfer, low flow resistance and high trafficability performance, and significantly
The bearing capacity of plate is improved, suitable for below 3.0MPa, or is had under the operating mode of larger pressure oscillation.
The technical solution adopted in the present invention is：
A kind of corrugated cardboard sheet of pressure-bearing enhancing, the corrugated cardboard sheet are rectangular configuration, length-width ratio L/W=2.8 of the rectangular configuration
~3.0.
The corrugated cardboard sheet is by edge supports area, the seal area on the inside of edge supports area, the heat transfer zone at middle part, heat transfer
The guiding region at area both ends, the most of composition in the mouth of pipe area five of guiding region side.
The corrugated cardboard sheet uses herringbone corrugated plate, and the densely covered double halfpace sides in edge supports area of the corrugated cardboard sheet are steeped,
Two halfpaces are one group, and the four sides angle of halfpace is identical, and the centre of two halfpaces is the indenture of triangular-section, and indenture depth is
The 1/2 of halfpace height；Halfpace intermediate cross-section width, the node of depth and heat transfer zone ripple, the depth of convolution are identical, every group of double halfpace sides bubble
Spacing it is identical with the wave pitch of heat transfer zone ripple.
The seal area is made up of a road sealing groove and two road sealing grooves；One road sealing groove is located on the inside of edge supports area
The periphery of corrugated cardboard sheet；Two road sealing grooves are located at the middle part of guiding region；One road sealing groove and two road sealing grooves are ladder
Shape structure, tilt angle gamma≤13 °.
One road sealing groove stupefied is divided into two parts by shape of chinese word Ji is convex stupefied or open trapezoid is convex stupefied or open-delta is convex；Should
Shape of chinese word Ji is convex stupefied or open trapezoid is convex stupefied or the convex stupefied height of open-delta is the 1/2 of one of seal groove depth, width one
The 1/2 of road sealing groove width, 0 °≤β≤20 ° in inclination angle.
The lambdoid ripple angle in heat transfer zone is 83 °≤α≤98 °, the angle of two corrugated cardboard sheets after complete machine assembling
83°≤ ≤98°。
The ripple's depth H of the corrugated cardboard sheet is 3.6~4.0mm, and depth node ratio is 0.5~0.6.
While the present invention has high heat transfer, low flow resistance and high trafficability performance, bearing capacity is significantly improved, is applied to
Below 3.0MPa, or have under the operating mode of larger pressure oscillation.And corrugated cardboard sheet is integrally formed, single mode single seat is simple in construction, tool
There are standardization, modularization, generalization feature, be adapted to batch production.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention；
Fig. 2 is plate length-width ratio of the present invention and complete machine pressure-bearing graph of a relation；
Fig. 3 is the corrugation pattern of Fig. 1 heat transfer zones；
Fig. 4 is the enlarged drawing in Tu1Zhong I areas；
Fig. 5 is A-A profiles in Fig. 4；
Fig. 6 is B-B profiles in Fig. 4；
Fig. 6 a are a kind of distressed structure of B-B profiles in Fig. 4；
Fig. 6 b are another distressed structure of B-B profiles in Fig. 4；
Fig. 7 is a kind of rubber cushion cross-sectional structure recommended；
Fig. 8 is the ripple angle of heat transfer zone after plate assembling；
Fig. 9 is C-C profiles in Fig. 4.
Embodiment
The corrugated cardboard sheet is one kind of detachable plate type heat exchanger plate, and plate adhesive seal rubber cushion is positive and negative when complete machine assembles
It is reverse to be suspended on the crossbeam between pressure strip, plate is compressed by fishbolt, medium passes in and out in the homonymy of plate, passes through
Seal gasket forms cold and hot medium channel.Rubber cushion is attached in spacer groove, and plate is supported by bubble point, inner chamber is formed, so glue
Pad seal groove structure, the density of bubble point and support strength, the rigidity of integral slab beam have vital work to the pressure-bearing of complete machine
With.
The present invention and its effect are described further below in conjunction with the accompanying drawings.
Fig. 1 be the present invention plane figure schematic diagram, corrugated cardboard sheet is rectangular configuration, its length-width ratio be L/W=2.8~
3.0, bearing capacity is stronger after such length-width ratio causes complete machine assembling（Fig. 2 show plate length-width ratio and complete machine pressure-bearing relation
Figure）.The bearing capacity of length-width ratio increase complete machine can also increase as seen from Figure 2, the pressure born when L/W=2.8~3.0
It is most strong, 3.0MPa can be reached, have certain decrease afterwards.Because the longitudinal rigidity of plate is protected by hold-down bolt
Card, horizontal rigidity can be influenceed by many factors such as the deformations of the pressure of medium, the pulling force of sealing gasket and contact, and suitable
Length-width ratio can offset the influence of above-mentioned factor.
A kind of corrugated cardboard sheet of pressure-bearing enhancing, the corrugated cardboard sheet by edge supports area 1, in the inner side of edge supports area 1
Heat transfer zone 3, the guiding region 4 at the both ends of heat transfer zone 3 in the middle part of seal area 2, the inner side of seal area 2 and plate, the mouth of pipe of the side of guiding region 4
The most of composition in area 5 five, corner is R circular arcs.
Fig. 3 is the structure diagram of heat transfer zone 3 in Fig. 1, and the heat transfer zone 3 and guiding region 4 use herringbone corrugated, to ensure
Higher heat transfer efficiency.Herringbone corrugated can be the pattern such as single word, double word, the ripple angle of plate for 83 °≤α≤
98 °, the heat transfer efficiency of herringbone corrugated is higher, and the corner dimension of two plates and the angle of soft or hard hot mixing plate are close, so
Ripple angle can strengthen heat transfer and reduce flow resistance and ensureing corrugated cardboard sheet has the characteristic of high heat transfer and low flow resistance；
Meanwhile the extension ratio of the deformation expanded with heat and contract with cold of plate in machine and transverse direction is identical, reduces the stress of spacer groove plate, help
In improving overall rigid seal performance, so as to improve the bearing capacity of complete machine.
Fig. 4 is I magnified partial views in Fig. 1, it can be seen that the top view of edge supports area halfpace bubble point, herringbone ripple
Structure, while the more convenient position for checking A-A sections, B-B sections and C-C sections, and ripple angle [alpha].
Fig. 5 be Fig. 4 in A-A profiles, namely edge supports area 1 double halfpace sides steep schematic cross-section.This pair of halfpace
Steeped when two halfpaces of bubble kind are one group, the four sides angle of halfpace is identical, and the centre of two halfpaces is the indenture of triangular-section
For strengthening rigidity, indenture depth is the 1/2 of halfpace height.Halfpace upper surface is square, halfpace intermediate cross-section width, depth
Node, the depth of convolution with heat transfer zone ripple is identical, and the spacing of every group of side bubble is identical with the wave pitch of heat transfer zone ripple.Assemble back edge
Support has two bubble points mutually to support, and the ratio of rigidity single-point support of marginal zone substantially increases；Such side bubble density and depth
The rigidity for improving edge supports area 1 is mainly aimed at, is allowed to be less susceptible to deform because of the pressure effect of rubber cushion, increases glue
Pad the resistance being extruded.Supported using double-contact, support sector width is 1.5~2.0 times of single-point support, equally improves edge
The rigidity of Support 1, so as to improve overall rigidity and sealing property, improve the bearing capacity of complete machine.
The seal area 2 is made up of a road sealing groove 201 and two road sealing grooves 202；One road sealing groove 201 is located at edge branch
The inner side in area 1 is supportted, for the sealing of plate periphery and the mouth of pipe, two road sealing grooves 202 are located at the middle part of guiding region 4, are in
" people " font, for strengthening heat transfer zone 3（Including a part of guiding region）Sealing.The road sealing groove of one road sealing groove 201 and two
202 be trapezium structure, tilt angle gamma≤13 °.The width of one road sealing groove 201 is the 1.5~2.0 of common plate seal groove width
Times.This is favorably improved the Radial resistant force and sealing property of pad, improves the bearing capacity of complete machine.
Fig. 6, Fig. 6 a and three kinds of distressed structure schematic diagrames that Fig. 6 b are B-B profiles in Fig. 4, namely a road sealing groove 201
Sectional view.One road sealing groove 201 of corrugated cardboard sheet is convex stupefied by shape of chinese word Ji（Shown in Fig. 6）Or open trapezoid is convex stupefied（Shown in Fig. 6 a）
Or open-delta is convex stupefied（Shown in Fig. 6 b）It is divided into two parts, equivalent to two seal gaskets of application, while also increases together
The width of seal groove 201, width are 1.5~2.0 times of common plate seal groove, help to seal.Recommend seal gasket shape
Such as Fig. 7（It is convex stupefied for shape of chinese word Ji）.Convex stupefied increase improves the Radial resistant force of rubber cushion, prevents rubber cushion due to plate internal pressure
Effect extruded from seal groove.Shape of chinese word Ji is convex stupefied in seal groove or open trapezoid is convex stupefied or the convex stupefied height of open-delta is
The 1/2 of seal groove depth, 0 °≤β≤20 ° in inclination angle, such design contribute to pad to be attached in spacer groove, pad radial direction
Resistance is bigger, is favorably improved sealing property, so as to improve the bearing capacity of complete machine.One road sealing groove 201 and two road sealing grooves
202 be trapezium structure, and tilt angle gamma≤13 ° are such to design the Radial resistant force for equally adding rubber cushion, help to prevent rubber cushion quilt
Extrusion, improve sealing and bearing capacity.
Fig. 7 is a kind of rubber cushion cross-sectional structure recommended.Rubber cushion cross section will determine according to the section of spacer groove, examine simultaneously
Consider the compressibility and compression factor of rubber cushion, it is recommended here that the compression factor of rubber cushion is 25%, is sealed with enhancing and improves pressure-bearing energy
Power.
Fig. 8 is the ripple angle of heat transfer zone after plate assembling.Plate assembling after two corrugated cardboard sheets 83 ° of angle≤
≤ 98 °, the corner dimension of two plates and the angle of soft or hard hot mixing plate are close, and such design ensure that plate has high pass
The characteristic of hot and low flow resistance.
Fig. 9 is C-C profiles in Fig. 4, namely the sectional view of herringbone ripple.The ripple's depth H of plate is 3.6~4.0mm,
Depth node ratio is 0.5~0.6, and the ripple of plate and support bubble point density substantially increase, it ensure that medium by property, it is general
The depth node ratio of logical corrugated cardboard sheet is 0.2~0.4, high depth node than plate ripple it is relatively deep closeer, number of transfer units carries
Height, heat transfer efficiency is higher, and plate is more rigid, and the pressure-bearing effect of complete machine is more preferable.
The processing and manufacturing program of the corrugated cardboard sheet is the same with other detachable plate type heat exchanger corrugated cardboard sheets, by mould into
Type, it is simple and convenient, it is adapted to batch production.
One preferred embodiment：Length L=880mm of plate, width W=300mm, length-width ratio 2.93, corner apertures size are
Φ 82, several words of one of Sealing selection are convex stupefied, seal groove tilt angle gamma=7 °, and seal groove is away from sheet edges 20mm, using single font,
Herringbone ripple angle α=90 °, the ripple angle of two plates after assembling=90 °, ripple's depth H=4.0mm, node length
7.07mm, depth node ratio are 0.566, sheet 0.6mm.
Claims (4)
- A kind of 1. corrugated cardboard sheet of pressure-bearing enhancing, it is characterised in that：The corrugated cardboard sheet is rectangular configuration, the length and width of the rectangular configuration Than L/W=2.8~3.0；The corrugated cardboard sheet is by edge supports area（1）, in edge supports area（1）The seal area of inner side（2）, in The heat transfer zone in portion（3）, heat transfer zone（3）The guiding region at both ends（4）, guiding region（4）The mouth of pipe area of side（5）Five most of compositions； The corrugated cardboard sheet uses herringbone corrugated plate, the edge supports area of the corrugated cardboard sheet（1）Gather double halfpace side bubbles, two ladders Platform is one group, and the four sides angle of halfpace is identical, and the centre of two halfpaces is the indenture of triangular-section, and indenture depth is that halfpace is high The 1/2 of degree；Halfpace intermediate cross-section width, the node of depth and heat transfer zone ripple, the depth of convolution are identical, the spacing of every group of double halfpace sides bubbles It is identical with the wave pitch of heat transfer zone ripple；The seal area（2）By a road sealing groove（201）With two road sealing grooves（202）Composition； One road sealing groove（201）Positioned at edge supports area（1）The periphery of the corrugated cardboard sheet of inner side；Two road sealing grooves（202）Positioned at water conservancy diversion Area（4）Middle part；One road sealing groove（201）With two road sealing grooves（202）For trapezium structure, tilt angle gamma≤13 °.
- A kind of 2. corrugated cardboard sheet of pressure-bearing enhancing as claimed in claim 1, it is characterised in that：One road sealing groove（201） Stupefied it is divided into two parts by shape of chinese word Ji is convex stupefied or open trapezoid is convex stupefied or open-delta is convex；The shape of chinese word Ji is convex stupefied or open trapezoid is convex The convex stupefied height of stupefied or open-delta is a road sealing groove（201）The 1/2 of depth, width are a road sealing groove（201）Width 1/2,0 °≤β≤20 ° in inclination angle.
- A kind of 3. corrugated cardboard sheet of pressure-bearing enhancing as claimed in claim 1, it is characterised in that：The heat transfer zone（3）Herringbone Ripple angle be 83 °≤α≤98 °, 83 °≤α '≤98 ° of angle of two corrugated cardboard sheets after complete machine assembling.
- A kind of 4. corrugated cardboard sheet of pressure-bearing enhancing as claimed in claim 1, it is characterised in that：The ripple of the corrugated cardboard sheet is deep Degree H is 3.6~4.0mm, and depth node ratio is 0.5~0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759650.9A CN105352356B (en) | 2015-11-10 | 2015-11-10 | A kind of corrugated cardboard sheet of pressure-bearing enhancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759650.9A CN105352356B (en) | 2015-11-10 | 2015-11-10 | A kind of corrugated cardboard sheet of pressure-bearing enhancing |
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| Publication Number | Publication Date |
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| CN105352356A CN105352356A (en) | 2016-02-24 |
| CN105352356B true CN105352356B (en) | 2018-04-10 |
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| CN201510759650.9A Active CN105352356B (en) | 2015-11-10 | 2015-11-10 | A kind of corrugated cardboard sheet of pressure-bearing enhancing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918256A (en) * | 2017-04-28 | 2017-07-04 | 河北海德换热设备有限公司 | A kind of heat-exchangers of the plate type |
| FR3077379A1 (en) * | 2018-01-29 | 2019-08-02 | Valeo Systemes Thermiques | PERTURBATION DEVICE FOR PLATE OF A HEAT EXCHANGER |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE505225C2 (en) * | 1993-02-19 | 1997-07-21 | Alfa Laval Thermal Ab | Plate heat exchanger and plate for this |
| JP3751331B2 (en) * | 1995-03-31 | 2006-03-01 | 株式会社日阪製作所 | Plate structure of plate heat exchanger |
| CN201355211Y (en) * | 2009-01-16 | 2009-12-02 | 四平市北方热交换配件有限公司 | Heat exchanger plate with double functions on one plate |
| CN202255030U (en) * | 2011-10-09 | 2012-05-30 | 辽宁远大换热设备制造有限公司 | Heat exchange plate |
| CN202734644U (en) * | 2012-07-19 | 2013-02-13 | 上海尔华杰机电装备制造有限公司 | Heat exchanger plate sheet with large flow rate and low resistance drop |
| CN202793139U (en) * | 2012-09-04 | 2013-03-13 | 风凯换热器制造(常州)有限公司 | Heat exchanger plate sheet provided with concave-convex pressed patterns on edges |
| CN205332890U (en) * | 2015-11-10 | 2016-06-22 | 甘肃蓝科石化高新装备股份有限公司 | Ripple slab of pressure -bearing reinforcing |
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