CN105352356A - Pressure-bearing enhanced corrugated plate - Google Patents
Pressure-bearing enhanced corrugated plate Download PDFInfo
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- CN105352356A CN105352356A CN201510759650.9A CN201510759650A CN105352356A CN 105352356 A CN105352356 A CN 105352356A CN 201510759650 A CN201510759650 A CN 201510759650A CN 105352356 A CN105352356 A CN 105352356A
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- corrugated cardboard
- cardboard sheet
- pressure
- heat transfer
- bearing
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Abstract
The invention provides a pressure-bearing enhanced corrugated plate. The corrugated plate is of a rectangular structure. The length-width ratio of the rectangular structure satisfies the equation that L/W=2.8~3.0. The corrugated plate is composed of five parts including edge supporting regions, sealing regions located on the inner sides of the edge supporting regions, a middle heat transfer region, flow guide regions at the two ends of the heat transfer region and pipe opening regions, wherein each pipe opening region is located on one side of the corresponding flow guide region. The pressure-bearing enhanced corrugated plate has high heat transfer performance, low flow resistance performance and high circulation performance, the pressure-bearing capacity is remarkably improved, and the corrugated plate is suitable for the working conditions with the pressure intensity below 3.0 MPa or with the large pressure fluctuation.
Description
Technical field
The heat transfer element that the present invention relates to a kind of heat transmission equipment is designed and developed and processing and manufacturing field, specifically refers to the corrugated cardboard sheet that a kind of pressure-bearing of detachable plate type heat exchanger strengthens.
Background technology
Detachable plate type heat exchanger has the advantages such as heat transfer efficiency is high, floor space is little, it is easy for installation to unpick and wash, economical and energy saving, be widely used in petrochemical industry, light industry and food, the field such as energy supply for metallurgy and energy-conserving and environment-protective, but the shortcoming of detachable plate type heat exchanger also clearly, operating pressure is lower than 2.5MPa, and pressure oscillation is little.
At present domestic most of template can only be used for the operating mode of below 2.0MPa, the bearing capacity of plate is poor, seriously limits the application of dismountable plate type heat exchanger.In order to improve the load performance of complete machine, Leakage prevention, common way reduces to compress size, and this can cause plate and ripple gross distortion, plate can not be reused, shorten service life, the heat transfer property of equipment and not reach the problems such as design objective by performance; Or increase the thickness of plate, can production cost be significantly improved like this.
Summary of the invention
The invention provides the corrugated cardboard sheet that a kind of pressure-bearing strengthens, there is high heat transfer, low flow resistance and high trafficability performance, and significantly improve the bearing capacity of plate, be applicable to below 3.0MPa, or under the operating mode having a larger pressure oscillation.
The technical solution adopted in the present invention is:
The corrugated cardboard sheet that pressure-bearing strengthens, this corrugated cardboard sheet is length-width ratio L/W=2.8 ~ 3.0 of rectangular configuration, this rectangular configuration.
Described corrugated cardboard sheet by edge supports district, be in seal area inside edge supports district, the heat transfer zone at middle part, the guiding region at two ends, heat transfer zone, mouth of pipe district five major part of side, guiding region form.
Described corrugated cardboard sheet adopts herringbone corrugated plate, densely covered two halfpace limits, edge supports district bubble of this corrugated cardboard sheet, two halfpaces are one group, and the four sides angle of halfpace is identical, the centre of two halfpaces is indentures of triangular-section, and the indenture degree of depth is 1/2 of halfpace height; Node, the depth of convolution of halfpace intermediate cross-section width, the degree of depth and heat transfer zone ripple are identical, and often the spacing of group two halfpace limits bubble is identical with the wave pitch of heat transfer zone ripple.
Described seal area is made up of a road sealing groove and two road sealing grooves; One road sealing groove is positioned at the periphery of the corrugated cardboard sheet inside edge supports district; Two road sealing grooves are positioned at the middle part of guiding region; A described road sealing groove and two road sealing grooves are trapezium structure, tilt angle gamma≤13 °.
A described road sealing groove is stupefiedly divided into two parts by the convex stupefied or open-delta of the convex stupefied or open trapezoid of a few font is convex; The convex stupefied or convex stupefied height of open-delta of the convex stupefied or open trapezoid of this few font is 1/2 of one seal groove degree of depth, and width is 1/2 of a road sealing groove width, 0 °≤β≤20 °, inclination angle.
The lambdoid ripple angle in described heat transfer zone is 83 °≤α≤98 °, complete machine assembling rear two corrugated cardboard sheets angle 83 °≤
≤ 98 °.
The ripple's depth H of described corrugated cardboard sheet is 3.6 ~ 4.0mm, and degree of depth node ratio is 0.5 ~ 0.6.
The present invention significantly improves bearing capacity, is applicable to below 3.0MPa while having high heat transfer, low flow resistance and high trafficability performance, or under the operating mode having a larger pressure oscillation.And corrugated cardboard sheet is one-body molded, single mode single seat, structure is simple, has standardization, modularization, generalization feature, is applicable to batch production.
Accompanying drawing explanation
Fig. 1 is 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 zone;
Fig. 4 is the enlarged drawing in Tu1Zhong I district;
Fig. 5 is A-A profile in Fig. 4;
Fig. 6 is B-B profile in Fig. 4;
Fig. 6 a is a kind of distressed structure of B-B profile in Fig. 4;
Fig. 6 b is the another kind of distressed structure of B-B profile 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 profile in Fig. 4.
Detailed description of the invention
Described corrugated cardboard sheet is the one of detachable plate type heat exchanger plate, during complete machine assembling, plate adhesive seal rubber cushion is positive and negative puts upside down on the crossbeam that is suspended between pressure strip, compressed by plate by fishbolt, medium passes in and out at the homonymy of plate, forms cold and hot medium channel by seal gasket.Rubber cushion is attached in spacer groove, and plate is supported by bubble point, forms inner chamber, so the pressure-bearing of rigidity to complete machine of the density of rubber cushion seal groove structure, bubble point and support strength, integral slab bundle has vital effect.
Below in conjunction with accompanying drawing, the present invention and effect thereof are described further.
Fig. 1 is plane figure schematic diagram of the present invention, and corrugated cardboard sheet is rectangular configuration, and its length-width ratio is L/W=2.8 ~ 3.0, bearing capacity stronger (Figure 2 shows that plate length-width ratio and complete machine pressure-bearing graph of a relation) after such length-width ratio makes complete machine assemble.The bearing capacity of length-width ratio increase complete machine also can increase as seen from Figure 2, and the pressure born when L/W=2.8 ~ 3.0 is the strongest, can reach 3.0MPa, have certain weakening afterwards.This is because the longitudinal rigidity of plate is ensured by hold-down bolt, horizontal rigidity can be subject to the impact of the many factors such as distortion of the pressure of medium, the pulling force of sealing gasket and contact, and suitable length-width ratio can offset the impact of above-mentioned factor.
The corrugated cardboard sheet that a kind of pressure-bearing strengthens, this corrugated cardboard sheet by edge supports district 1, to be in inside seal area 2 inside edge supports district 1, seal area 2 and heat transfer zone 3 in the middle part of plate, the guiding region 4 at two ends, heat transfer zone 3, mouth of pipe district 5 five major part of side, guiding region 4 form, corner is R circular arc.
Fig. 3 is the structure diagram of heat transfer zone 3 in Fig. 1, and this heat transfer zone 3 and guiding region 4 all adopt herringbone corrugated, to ensure higher heat transfer efficiency.Herringbone corrugated can be single word, the patterns such as double word, the ripple angle of plate is 83 °≤α≤98 °, the heat transfer efficiency of herringbone corrugated is higher, the angle of the corner dimension of two plates and the hot mixed plate of soft or hard is close, and such ripple angle can strengthen heat transfer and reduces flow resistance and ensure that corrugated cardboard sheet has the characteristic of high heat transfer and low flow resistance; Meanwhile, the deformation that plate expands with heat and contract with cold extension ratio is in machine and transverse direction identical, reduces the stress of spacer groove plate, contributes to improving overall rigid seal performance, thus improves the bearing capacity of complete machine.
Fig. 4 is I magnified partial view in Fig. 1, can see the top view of edge supports district halfpace bubble point, the structure of herringbone ripple, the more convenient position checking A-A section, B-B section and C-C section, and ripple angle [alpha] simultaneously.
Fig. 5 is A-A profile in Fig. 4, the schematic cross-section of two halfpace limits bubble in Ye Ji edge supports district 1.Bubble kind of two halfpaces in this pair of halfpace limit are one group of limit bubble, and the four sides angle of halfpace is identical, the centre of two halfpaces be the indenture of triangular-section for strengthening rigidity, the indenture degree of depth is 1/2 of halfpace height.Halfpace upper surface is square, and node, the depth of convolution of halfpace intermediate cross-section width, the degree of depth and heat transfer zone ripple are identical, often organizes the spacing of steeping on limit identical with the wave pitch of heat transfer zone ripple.Assembling back edge Support has two bubble points mutually to support, and the ratio of rigidity single-point support of marginal zone obviously increases; Such limit bubble density and the degree of depth are exactly mainly the rigidity in order to improve edge supports district 1, make it more not easily to be out of shape because of the pressure effect of rubber cushion, increase the resistance that rubber cushion is extruded.Employing double-contact supports, and Support width is 1.5 ~ 2.0 times of single-point support, improves the rigidity in edge supports district 1 equally, thus improves overall rigidity and sealing property, improves the bearing capacity of complete machine.
Described seal area 2 is made up of a road sealing groove 201 and two road sealing grooves 202; One road sealing groove 201 is positioned at the inner side in edge supports district 1, and for the sealing of plate periphery and the mouth of pipe, two road sealing grooves 202 are positioned at the middle part of guiding region 4, in " people " font, comprises a part of guiding region for strengthening heat transfer zone 3() sealing.This road sealing groove 201 and two road sealing grooves 202 are trapezium structure, tilt angle gamma≤13 °.The width of one road sealing groove 201 is 1.5 ~ 2.0 times of common plate seal groove width.This contributes to the Radial resistant force and the sealing property that improve pad, improves the bearing capacity of complete machine.
Fig. 6, Fig. 6 a and Fig. 6 b is three kinds of distressed structure schematic diagrames of B-B profile in Fig. 4, is also the sectional view of a road sealing groove 201.One road sealing groove 201 of corrugated cardboard sheet is divided into two parts by a few font convex stupefied (shown in Fig. 6) or open trapezoid convex stupefied (shown in Fig. 6 a) or open-delta convex stupefied (shown in Fig. 6 b), be equivalent to application two seal gaskets, too increase the width of a road sealing groove 201 simultaneously, width is 1.5 ~ 2.0 times of common plate seal groove, contributes to sealing.Recommend seal gasket shape as Fig. 7 (convex stupefied for a few font).Convex stupefied increase improves the Radial resistant force of rubber cushion, prevents rubber cushion from extruding from seal groove due to the effect of plate internal pressure.In seal groove, the convex stupefied or convex stupefied height of open-delta of the convex stupefied or open trapezoid of a few font is 1/2 of the seal groove degree of depth, 0 °≤β≤20 °, inclination angle, being designed with like this helps pad and is attached in spacer groove, the resistance of pad radial direction is larger, contribute to improving sealing property, thus improve the bearing capacity of complete machine.One road sealing groove 201 and two road sealing grooves 202 are trapezium structure, tilt angle gamma≤13 °, and such design adds the Radial resistant force of rubber cushion equally, contributes to preventing rubber cushion to be extruded, and improve sealing and bearing capacity.
Fig. 7 is a kind of rubber cushion cross-sectional structure recommended.Rubber cushion cross section will be determined according to the cross section of spacer groove, considers compressibility and the compression factor of rubber cushion simultaneously, advises that the compression factor of rubber cushion is 25% here, improves bearing capacity to strengthen sealing.
Fig. 8 is the ripple angle of heat transfer zone after plate assembling.Plate assembling rear two corrugated cardboard sheets angle 83 °≤
≤ 98 °, the angle of the corner dimension of two plates and the hot mixed plate of soft or hard is close, and such design ensure that plate has the characteristic of high heat transfer and low flow resistance.
Fig. 9 is C-C profile in Fig. 4, is also the sectional view of herringbone ripple.The ripple's depth H of plate is 3.6 ~ 4.0mm, degree of depth node ratio is 0.5 ~ 0.6, ripple and the support bubble point density of plate obviously increase, which ensure that medium by property, the degree of depth node ratio of common corrugated cardboard sheet is 0.2 ~ 0.4, and the plate ripple of high depth node ratio is comparatively dark closeer, number of transfer units improves, heat transfer efficiency is higher, and plate rigidity is stronger, the pressure-bearing better effects if of complete machine.
The processing and manufacturing program of described corrugated cardboard sheet is the same with other detachable plate type heat exchanger corrugated cardboard sheet, by mould molding, simple and convenient, is applicable to batch production.
A preferred embodiment: the length L=880mm of plate, width W=300mm, length-width ratio is 2.93, corner apertures size is Φ 82, and more than one word of Sealing selection is convex stupefied, seal groove tilt angle gamma=7 °, seal groove is apart from sheet edges 20mm, adopt single font, herringbone ripple angle α=90 °, assemble the ripple angle of rear two plates
=90 °, ripple's depth H=4.0mm, node length 7.07mm, degree of depth node ratio is 0.566, sheet 0.6mm.
Claims (7)
1. a corrugated cardboard sheet for pressure-bearing enhancing, is characterized in that: this corrugated cardboard sheet is length-width ratio L/W=2.8 ~ 3.0 of rectangular configuration, this rectangular configuration.
2. the corrugated cardboard sheet that strengthens of a kind of pressure-bearing as claimed in claim 1, is characterized in that: this corrugated cardboard sheet is made up of the heat transfer zone (3) at edge supports district (1), the seal area (2) being in inner side, edge supports district (1), middle part, the guiding region (4) at heat transfer zone (3) two ends, mouth of pipe district (5) five major part of guiding region (4) side.
3. the corrugated cardboard sheet of a kind of pressure-bearing enhancing as claimed in claim 2, it is characterized in that: described corrugated cardboard sheet adopts herringbone corrugated plate, densely covered two halfpace limits, edge supports district (1) bubble of this corrugated cardboard sheet, two halfpaces are one group, the four sides angle of halfpace is identical, the centre of two halfpaces is indentures of triangular-section, and the indenture degree of depth is 1/2 of halfpace height; Node, the depth of convolution of halfpace intermediate cross-section width, the degree of depth and heat transfer zone ripple are identical, and often the spacing of group two halfpace limits bubble is identical with the wave pitch of heat transfer zone ripple.
4. the corrugated cardboard sheet of a kind of pressure-bearing enhancing as claimed in claim 2, is characterized in that: described seal area (2) is made up of a road sealing groove (201) and two road sealing grooves (202); One road sealing groove (201) is positioned at the periphery of the corrugated cardboard sheet of inner side, edge supports district (1); Two road sealing grooves (202) are positioned at the middle part of guiding region (4); A described road sealing groove (201) and two road sealing grooves (202) are trapezium structure, tilt angle gamma≤13 °.
5. the corrugated cardboard sheet that strengthens of a kind of pressure-bearing as claimed in claim 4, is characterized in that: a described road sealing groove (201) is stupefiedly divided into two parts by the convex stupefied or open-delta of the convex stupefied or open trapezoid of a few font is convex; The convex stupefied or convex stupefied height of open-delta of the convex stupefied or open trapezoid of this few font is 1/2 of a road sealing groove (201) degree of depth, and width is 1/2 of a road sealing groove (201) width, 0 °≤β≤20 °, inclination angle.
6. the corrugated cardboard sheet that strengthens of a kind of pressure-bearing as claimed in claim 2, is characterized in that: described heat transfer zone (3) lambdoid ripple angle is 83 °≤α≤98 °, the angle 83 ° of rear two corrugated cardboard sheets of complete machine assembling≤
≤ 98 °.
7. the corrugated cardboard sheet of a kind of pressure-bearing enhancing as claimed in claim 2, is characterized in that: the ripple's depth H of described corrugated cardboard sheet is 3.6 ~ 4.0mm, and degree of 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352356A true CN105352356A (en) | 2016-02-24 |
| CN105352356B CN105352356B (en) | 2018-04-10 |
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ID=55328371
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Cited By (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 |
| CN111788449A (en) * | 2018-01-29 | 2020-10-16 | 法雷奥热系统公司 | Disturbance device for a plate of a heat exchanger |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102287A (en) * | 1993-02-19 | 1995-05-03 | 艾尔费-拉瓦尔热能公司 | A plate heat exchanger |
| JPH08271172A (en) * | 1995-03-31 | 1996-10-18 | Hisaka Works Ltd | Plate structure for plate type 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 |
-
2015
- 2015-11-10 CN CN201510759650.9A patent/CN105352356B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102287A (en) * | 1993-02-19 | 1995-05-03 | 艾尔费-拉瓦尔热能公司 | A plate heat exchanger |
| JPH08271172A (en) * | 1995-03-31 | 1996-10-18 | Hisaka Works Ltd | Plate structure for plate type 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 |
Cited By (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 |
| CN111788449A (en) * | 2018-01-29 | 2020-10-16 | 法雷奥热系统公司 | Disturbance device for a plate of a heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105352356B (en) | 2018-04-10 |
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