CN110332834A - Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy - Google Patents
Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy Download PDFInfo
- Publication number
- CN110332834A CN110332834A CN201910684162.4A CN201910684162A CN110332834A CN 110332834 A CN110332834 A CN 110332834A CN 201910684162 A CN201910684162 A CN 201910684162A CN 110332834 A CN110332834 A CN 110332834A
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- Prior art keywords
- heat exchanger
- exchanger plates
- upper housing
- dual
- aluminium alloy
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
- F28F3/10—Arrangements for sealing the margins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses Dual-sealing plate-fin heat exchangers inside and outside a kind of aluminium alloy, it applies in field of heat exchangers, its key points of the technical solution are that: it is distributed along the vertical direction including upper housing, lower case and several heat exchange units between upper housing and lower case, several heat exchange units；Heat exchange unit: including heat exchanger plates, exocoel and inner cavity are formed when the two neighboring heat exchanger plates mutually splice, the outer cavity edge of two heat exchanger plates forms the first edge sealing at this time, the luminal border of two heat exchanger plates forms the second edge sealing, first edge sealing is arranged outwardly, and second edge sealing is arranged inwardly；Having the technical effect that for having forms double containment by the first edge sealing and the second edge sealing, substantially increases the overall sealing performance of heat exchanger, to reduce the possibility that the joint face between two heat exchanger plates generates crack and leakage under the action of excessively high hydraulic.
Description
Technical field
The present invention relates to field of heat exchangers, in particular to Dual-sealing plate-fin heat exchanger inside and outside a kind of aluminium alloy.
Background technique
Plate-fin heat exchanger is usually made of partition, fin, strip of paper used for sealing, flow deflector.Adjacent two partition room place fin,
Flow deflector and strip of paper used for sealing form an interlayer, referred to as channel, and such interlayer is stacked according to the different modes of fluid, soldering
Integral just to form plate beam, plate beam is the core of plate-fin heat exchanger.
Notification number be CN204286173U Chinese patent disclose a kind of zigzag wave corrugated fin plate-fin heat exchanger, he by
Heat exchange core body, end socket and fluid inlet and outlet adapter tube composition, heat exchange core body is the end plate group by several basic flow passage units and two sides
At each basic flow passage unit is made of heat exchange fin, flow deflector, partition and strip of paper used for sealing, in the corrugation length side of corrugated fin
It is cut into the zigzag fashion of many short and small segments and the certain intervals that are mutually staggered upwards, obtains zigzag wave corrugated fin, it will be several
A stacked soldering of such flow passage unit and become zigzag wave line type heat exchanger, cold fluid and hot fluid in adjacent base
It is flowed in this flow passage unit, heat exchange is carried out by zigzag wave corrugated fin and partition.
But the sealing of this heat exchanger fully relies on the welding between plate and plate, and weld is in an angle of 90 degrees, therefore
It is easy to happen deformation in a high voltage state and generates crack, to cause leakage.
Summary of the invention
The object of the present invention is to provide Dual-sealing plate-fin heat exchangers inside and outside a kind of aluminium alloy, its advantage is that: pass through first
Edge sealing and the second edge sealing form double containment, substantially increase the overall sealing performance of heat exchanger, thus reduce two heat exchanger plates it
Between joint face the possibility of crack and leakage is generated under the action of excessively high hydraulic.
Above-mentioned technical purpose of the invention has the technical scheme that double containment inside and outside a kind of aluminium alloy
Formula plate-fin heat exchanger, including upper housing, lower case and several heat exchange units between upper housing and lower case, Ruo Gansuo
Heat exchange unit is stated to be distributed along the vertical direction；Heat exchange unit: including heat exchanger plates, the two neighboring heat exchanger plates are formed when mutually splicing
Exocoel and inner cavity, the outer cavity edge of two heat exchanger plates forms the first edge sealing, the luminal border of two heat exchanger plates at this time
The second edge sealing is formed, first edge sealing is arranged outwardly, and second edge sealing is arranged inwardly.
Through the above technical solutions, the outer cavity edge of two heat exchanger plates forms the first edge sealing, luminal border forms second
Edge sealing, and the first edge sealing is arranged outwardly, the second edge sealing is arranged inwardly, so that the area of joint face mentions significantly between two heat exchanger plates
Height, and the bonding strength between two heat exchanger plates can be improved, the joint face between two heat exchanger plates is reduced excessively high hydraulic
Under the action of generate the possibility of crack and leakage, to substantially increase the leakproofness between two heat exchanger plates.
The present invention is further arranged to: the heat exchanger plates include structure sheaf and the welding layer that structure sheaf two sides are arranged in, institute
The fusing point for stating structure sheaf is higher than the fusing point of welding layer.
Through the above technical solutions, two heat exchanger plates are overlapped and are heated by operator, arrive it when two heat exchanger plates of connection
Up to the fusing point of welding layer, at this moment the welding layer on two heat exchanger plates mutually melts and is bonded together, but the knot of two heat exchanger plates
The shape that structure layer is not still deformed to keep heat exchanger plates, then cool down and two heat exchanger plates can be quickly connected to one
It rises, and due to being two welding melting layer bondings, bonding strength is high, good seal performance.
The present invention is further arranged to: first edge sealing is in be bent upwards setting, and the inner wall part of first edge sealing
Divide and fits with the outer rim of heat exchanger plates.
Through the above technical solutions, the first edge sealing is bent upwards the overall volume that can reduce heat exchanger, and reduce the
One edge sealing scratches the possibility of operator, and the inner wall section of the first edge sealing and the outer rim of heat exchanger plates fit and the first edge sealing can be improved
With the contact area between heat exchanger plates outer rim, and the thickness of two heat exchanger plates stitching portions can be reinforced, be changed to improve two
Bonding strength between hot plate, and improve leakproofness.
The present invention is further arranged to: the outer rim of the upper housing is equipped with connection and prolongs side, described to connect the structure for prolonging side
Material is identical as the structure material of heat exchanger plates, and the upper housing prolongs side by connection and is connected with heat exchanger plates periphery.
Through the above technical solutions, since the big plane of the top and bottom of heat exchanger plates is different, an only edge, therefore on
Shell prolongs side by connection and is connected with heat exchanger plates periphery, can greatly improve the connection area between upper housing and heat exchanger plates,
To improve the bonding strength and leakproofness between upper housing and heat exchanger plates.
The present invention is further arranged to: the connection prolongs side and is set as U-shaped, and the both sides difference on side is prolonged in the connection of U-shaped
It is connected on heat exchanger plates and upper housing outer rim.
Through the above technical solutions, two edge lengths that side is prolonged in the connection of U-shaped are longer, it is connected to heat exchanger plates and upper housing
In outer rim, the sealing performance of heat exchanger plates and upper housing junction can be improved, and heat exchanger plates can be improved and connected with upper housing
The anti-pressure ability at place.
The present invention is further arranged to: the auxiliary seal plate around heat exchange unit setting, institute are additionally provided in the lower case
The one end of auxiliary seal plate far from lower case is stated to be connected with upper housing periphery, the inner wall of the auxiliary seal plate and heat exchange unit it
Between have gap.
Through the above technical solutions, auxiliary seal plate can play the role of a secondary seal with heat exchanging device, even if changing
Crack is generated between hot cell and liquid is caused to be revealed, and liquid can also be filled in the gap between auxiliary seal plate and heat exchange unit
It is interior, to reduce the possibility that liquid is directly produced, improve the safety of heat exchanger.
The present invention is further arranged to: elastic balloon is equipped between the auxiliary seal plate and heat exchange unit.
Through the above technical solutions, heat exchanger, when being exchanged heat, the heat of liquid itself can be conducted to entire heat exchanger,
At this time the air between auxiliary seal plate and heat exchange unit in gap be easy to happen expansion and to auxiliary seal plate and heat exchange unit
Pressure is generated, to influence the structural strength of heat exchanger, the setting of elastic balloon can then be compressed when air expands, thus
Expansion space is vacateed to air, and then reduces the air pressure that heat exchanging device generates due to expansion, the structure for improving heat exchanger is steady
It is qualitative.
The present invention is further arranged to: the elastic balloon is made of fluorubber.
Through the above technical solutions, the heat resistance of fluorubber itself is fabulous, it can still maintain at high temperature good
Elasticity guarantees the structural stability of heat exchanger so that effectively control helps between sealing plate and heat exchange unit pressure in gap.
The present invention is further arranged to: the auxiliary seal plate is made of several cell boards, several cell boards
Four sides are equipped with connecting plate, and the connecting plate on the adjacent cell board is bonded to each other and is bolted, the cell board
It is bonded to each other and is bolted also by connecting plate between upper housing, lower case, between two connecting plates, connect
Heat-resistant seal gasket is equipped between plate and upper housing and lower case.
Through the above technical solutions, auxiliary seal plate is made of several cell boards, so that operator can be convenient fast
Installation, disassembly auxiliary seal plate examines in order to expose internal heat exchange unit consequently facilitating operator exchanges hot cell
Repair or find that guilty culprit, heat-resistant seal gasket can then guarantee the sealing performance of auxiliary seal plate.
The present invention is further arranged to: the material of the structure sheaf is set as 3003 aluminium alloys, the material of the welding layer
It is set as 4104 aluminium alloys.
Through the above technical solutions, the fusing point of 4104 aluminium alloys is 580 DEG C, the fusing point of 3003 aluminium alloys is 650 DEG C, connection
When two heat exchanger plates, two heat exchanger plates are overlapped and are heated up to 580 DEG C ~ 600 DEG C by operator, it is made to reach the fusing point of welding layer,
At this moment the welding layer on two heat exchanger plates mutually melts and is bonded together, but the structure sheaf of two heat exchanger plates does not still generate
Deformation is to keep the shape of heat exchanger plates, then cools down and two heat exchanger plates quickly can link together, and 3003 aluminium alloys
It is very high with the structural strength of 4104 aluminium alloys, heat-conductive characteristic, the structural strength and heat exchange efficiency of heat exchanger can be improved.
In conclusion the invention has the following advantages:
1, the bonding strength between two heat exchanger plates can be improved in the first edge sealing and the second edge sealing, reduces between two heat exchanger plates
Joint face generates the possibility of crack and leakage under the action of excessively high hydraulic, to substantially increase close between two heat exchanger plates
Feng Xing；
2, connection prolongs side and is connected with heat exchanger plates periphery, can greatly improve the connection area between upper housing and heat exchanger plates, from
And improve the bonding strength between upper housing and heat exchanger plates and leakproofness.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1.
Fig. 2 is the structural schematic diagram that embodiment 1 is used to embody first outlet and second outlet.
Fig. 3 is the structural schematic diagram that embodiment 1 is used to embody heat exchange unit.
Fig. 4 is the enlarged drawing in the portion A in Fig. 3.
Fig. 5 is the structural schematic diagram that embodiment 1 is used to embody heat exchanger plates.
Fig. 6 is the overall structure diagram of embodiment 2.
Fig. 7 is the structural schematic diagram that embodiment 2 is used to embody elastic balloon.
Fig. 8 is the enlarged drawing in the portion B in Fig. 7.
Appended drawing reference: 1, upper housing；11, first entrance；12, second entrance；13, the first resistance to compression arc plate；14, connecting tube；
15, the second pipe；16, ring cutting slot；17, side is prolonged in connection；2, lower case；21, first outlet；22, second outlet；23, the second resistance to compression
Arc plate；3, heat exchange unit；31, heat exchanger plates；311, structure sheaf；312, welding layer；32, exocoel；33, inner cavity；34, the first edge sealing；
35, the second edge sealing；4, feed liquor runner；5, coolant flow channel；6, the first fin；7, the second fin；8, third fin；9, auxiliary seal
Plate；91, cell board；92, connecting plate；93, bolt；94, heat-resistant seal gasket；95, elastic balloon.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: Dual-sealing plate-fin heat exchanger inside and outside a kind of aluminium alloy, as shown in Figure 1, Figure 2 and Fig. 3, including upper housing 1,
Lower case 2 and several heat exchange units 3 between upper housing 1 and lower case 2, several heat exchange units 3 divide along the vertical direction
Cloth, heat exchange unit 3 include two heat exchanger plates 31, and two neighboring heat exchanger plates 31 will form exocoel 32 and inner cavity 33 when mutually splicing,
And exocoel 32, around outside inner cavity 33, several heat exchange units 3 are stacked and in two neighboring heat exchange units 3, one of them
The exocoel 32 of heat exchange unit 3 is connected with the inner cavity 33 of another heat exchange unit 3, at this time two of two neighboring heat exchange unit 3
Exocoel 32 is staggered, so that all heat exchange units 3 form feed liquor runner 4 and cooling stream between upper housing 1 and lower case 2
Road 5 offers the first entrance 11 being connected with feed liquor runner 4 and the second entrance being connected with coolant flow channel 5 on upper housing 1
12, the first outlet 21 being connected with feed liquor runner 4 and the second outlet being connected with coolant flow channel 5 are offered in lower case 2
22。
Such as Fig. 3, the exocoel 32 of feed liquor runner 4 surrounds the inner cavity 33 of coolant flow channel 5, and the exocoel 32 of coolant flow channel 5 then surrounds
The inner cavity 33 of feed liquor runner 4, thus when coolant liquid and when cold liquid is each led into first entrance 11 and second entrance 12, it is cold
But liquid is filled in feed liquor runner 4, is filled in coolant flow channel 5 to cold liquid, coolant liquid and to cold liquid can adequately staggeredly change
Heat.Upper housing 1 and the thickness of lower case 2 are disposed as five times of heat exchanger plates 31 or more, and multiple heat exchange units 3 are superimposed upon upper housing
Between 1 and lower case 2, even if the pressure in heat exchanger is excessive, since the two sides of heat exchanger plates 31 all have liquid, heat exchanger plates
The pressure balance of 31 two sides, heat exchanger plates 31 are not easy to play packet or deformation under hydraulic pressure effect, and upper housing 1 and lower case 2
Thickness it is thicker, structural strength is higher, so can also keep own form even if external and internal pressure etc..Such setting, mentions
The anti-pressure ability of high entire heat exchanger and safety.
Such as Fig. 3, upper housing 1 is equipped with convex towards lower case 2 at the first outlet 21 and second outlet 22 of corresponding lower case 2
The the first resistance to compression arc plate 13 risen, lower case 2 are corresponded to and are equipped at the first entrance 11 and second entrance 12 of upper housing 1 towards upper housing
Second resistance to compression arc plate 23 of 1 protrusion, the first arc panel and the second arc panel extend respectively in immediate inner cavity 33, and first goes out
Mouthfuls 21, at second outlet 22, first entrance 11 and second entrance 12 due to needing liquid in-out and by liquid impact flow, because
Hydraulic pressure at this this four point is maximum, and the bulge-structure of the first resistance to compression arc plate 13 and the second resistance to compression arc plate 23 can mention at this time
The anti-pressure ability in high upper housing 1 and lower case 2 region in this section, thus reduce upper housing 1 and lower case 2 regional area by
The possibility of compressive strain.
Such as Fig. 3, the first edge sealing 34 is formed at 32 edge of exocoel when two heat exchanger plates 31 mutually splice, 33 edge of inner cavity is formed
Second edge sealing 35, the first edge sealing 34 are arranged and are bent upwards outwardly, thus the inner wall section of the first edge sealing 34 and heat exchanger plates 31
Outer rim fits, and the second edge sealing 35 is then arranged inwardly in the horizontal direction, such setting, so that connecting between two heat exchanger plates 31
The area in face greatly improves, and improves the bonding strength between two heat exchanger plates 31, reduces between two heat exchanger plates 31
Joint face generates the possibility of crack and leakage under the action of excessively high hydraulic, to substantially increase between two heat exchanger plates 31
Leakproofness and anti-pressure ability.
Such as Fig. 3 and Fig. 4, the outer rim of upper housing 1 is equipped with connection and prolongs side 17, and connection prolongs side 17 and is set as U-shaped, and U-shaped
The both sides that side 17 is prolonged in connection are connected in 1 outer rim of 31 outer rim of heat exchanger plates and upper housing of top, prolong side by U-shaped connection
17 connect upper housing 1 and heat exchanger plates 31, and the connection area between heat exchanger plates 31 and heat exchanger plates 31 can be improved, to mention
Bonding strength and leakproofness between high upper housing 1 and heat exchanger plates 31.It includes one layer of structure that side 17 and heat exchanger plates 31 are prolonged in connection
311 and two layers of welding layer 312(such as Fig. 5 of layer), two layers of welding layer 312 is located at the two sides of structure sheaf 311, structure sheaf 311
Material is set as 3003 aluminium alloys, and fusing point is 650 DEG C, and the material of welding layer 312 is set as 4104 aluminium alloys, and fusing point is 580 DEG C.
When needing to connect two heat exchanger plates 31, two heat exchanger plates 31 are overlapped and are heated up to 580 DEG C ~ 600 DEG C by operator, so that two are changed
Hot plate 31 reaches the fusing point of welding layer 312, and at this moment the welding layer 312 on two heat exchanger plates 31 mutually melts and is bonded together,
But the shape that the structure sheaf 311 of two heat exchanger plates 31 is not still deformed to keep heat exchanger plates 31, then it is cooled to room temperature i.e.
Two heat exchanger plates 31 can quickly be linked together, and the structural strength of 3003 aluminium alloys and 4104 aluminium alloys, heat transfer
Performance is very high, and the structural strength and heat exchange efficiency of heat exchanger can be improved.Similarly, side 17 and heat exchanger plates 31 and upper are prolonged in connection
Shell 1 also uses this connection type, and upper housing 1 is greater than or equal to 650 DEG C of material using fusing point.
Such as Fig. 3, the exocoel 32 of feed liquor runner 4 is equipped with several second fins 7 along inner peripheral, the exocoel 32 in feed liquor runner 4
With coolant flow channel 5 in exocoel 32 staggered place be equipped with several first fins 6, the first fin 6 and the second fin 7 can mention
The internal surface area of high feed liquor runner 4, to improve the heat exchange efficiency between feed liquor runner 4 and coolant liquid.The exocoel of coolant flow channel 5
32 are equipped with several third fins 8 along inner peripheral, and the internal surface area of coolant flow channel 5 can be improved in third fin 8, to improve cooling
The exocoel 32 of runner 5 and to the heat exchange efficiency between cold liquid.
Such as Fig. 3, upper housing 1 is welded with connecting tube 14 at first entrance 11 and second entrance 12, outside connecting tube 14
The upper half is equipped with screw thread, is equipped with the second pipe 15 in connecting tube 14, and the outer peripheral edge of the second pipe 15 is mutually welded with the inner wall of connecting tube 14,
And second pipe 15 outer peripheral edge and connecting tube 14 inner wall between be equipped with ring cutting slot 16, the depth of ring cutting slot 16 no more than three/
Two 15 length of the second pipe needs for external pipe to be connected to guarantee the bonding strength between the second pipe 15 and connecting tube 14
When on heat exchanger, external pipe is threadedly attached in connecting tube 14 by operator, and the sealing ring on external pipe is embedding at this time
It sets in ring cutting slot 16, to improve the leakproofness between external pipe and connecting tube 14, the outlet end of external pipe is then extended to
In second pipe 15, so that liquid can inject connecting tube 14 from the second pipe 15, then enter back into heat exchange unit 3, due to connection
The internal diameter of pipe 14 is greater than the second pipe 15, and the internal diameter of exocoel 32 is greater than connecting tube 14 again, therefore can enter to from the second pipe 15
Liquid play the role of a discharge, to reduce the impact force generated when liquid enters in heat exchanger.
Embodiment 2: Dual-sealing plate-fin heat exchanger inside and outside a kind of aluminium alloy, difference from example 1 is that, such as scheme
6, Fig. 7 and Fig. 8, lower case 2 are equipped with the auxiliary seal plate 9 being arranged around heat exchange unit 3, and auxiliary seal plate 9 is far from lower case 2
One end be connected with 1 periphery of upper housing, auxiliary seal plate 9 is made of four cell boards 91, and four cell boards 91 are located at and change
Four sides of hot cell 3 and there is gap between heat exchange unit 3, four sides of cell board 91 are towards the direction for deviating from heat exchange unit 3
It is equipped with connecting plate 92, the side of connecting plate 92 outwardly is equipped with heat-resistant seal gasket 94, the company on two adjacent cell boards 91
Fishplate bar 92 is bonded to each other and is fixed by bolt 93, also by 92 phase of connecting plate between cell board 91 and upper housing 1, lower case 2
Mutually patch merga pass bolt 93 is fixed, and four cell boards 91 form auxiliary seal plate 9 and will seal outside heat exchange unit 3 at this time,
Secondary seal is carried out with heat exchanging device, so that liquid can also fill even if generating crack between heat exchange unit 3 and liquid being caused to be revealed
In the full gap between auxiliary seal plate 9 and heat exchange unit 3, the possibility that liquid is directly produced is reduced, heat exchanger is improved
Safety.When needing to exchange the maintenance of hot cell 3, operator backs out the i.e. dismountable auxiliary seal plate 9 of bolt 93, and then exposes heat exchange
Unit 3.
Such as Fig. 6 and Fig. 7, several elastic balloons 95, elastic balloon 95 are equipped between auxiliary seal plate 9 and heat exchange unit 3
It is made of fluorubber, to guarantee that elastic balloon 95 remains to have good elasticity at high temperature.Heat exchanger is when being exchanged heat, liquid
The heat of body itself can be conducted to entire heat exchanger, and the air between auxiliary seal plate 9 and heat exchange unit 3 in gap is easy at this time
It expands and pressure is generated to auxiliary seal plate 9 and heat exchange unit 3, so that the structural strength of heat exchanger is influenced, elastic balloon
95 setting can then be compressed when air expands, to vacate expansion space to air, and then reduce air due to expansion
The pressure that heat exchanging device generates, improves the structural stability of heat exchanger.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. Dual-sealing plate-fin heat exchanger inside and outside a kind of aluminium alloy, it is characterised in that: including upper housing (1), lower case (2) and
Several heat exchange units (3) between upper housing (1) and lower case (2), several heat exchange units (3) are divided along the vertical direction
Cloth；
Heat exchange unit (3): including heat exchanger plates (31), the two neighboring heat exchanger plates (31) mutually splice when formed exocoel (32) and
Inner cavity (33), exocoel (32) edge of two heat exchanger plates (31) forms the first edge sealing (34) at this time, two heat exchanger plates
(31) inner cavity (33) edge forms the second edge sealing (35), and first edge sealing (34) is arranged outwardly, second edge sealing (35)
It is arranged inwardly.
2. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 1, it is characterised in that: the heat exchanger plates
It (31) include the welding layer (312) of structure sheaf (311) and setting in structure sheaf (311) two sides, the fusing point of the structure sheaf (311)
Higher than the fusing point of welding layer (312).
3. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 2, it is characterised in that: first edge sealing
It (34) is in be bent upwards setting, and the inner wall section of first edge sealing (34) and the outer rim of heat exchanger plates (31) fit.
4. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 3, it is characterised in that: the upper housing
(1) outer rim is equipped with connection and prolongs side (17), described to connect the structure material for prolonging the structure material and heat exchanger plates (31) on side (17)
Identical, the upper housing (1) prolongs side (17) by connection and is connected with heat exchanger plates (31) periphery.
5. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 4, it is characterised in that: side is prolonged in the connection
(17) it is set as U-shaped, the both sides that side (17) is prolonged in the connection of U-shaped are connected to heat exchanger plates (31) and upper housing (1) outer rim
On.
6. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 1 or 5, it is characterised in that: the lower casing
The auxiliary seal plate (9) around heat exchange unit (3) setting is additionally provided on body (2), the auxiliary seal plate (9) is far from lower case
(2) one end is connected with upper housing (1) periphery, between having between the inner wall and heat exchange unit (3) of the auxiliary seal plate (9)
Gap.
7. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 6, it is characterised in that: the auxiliary seal
Elastic balloon (95) are equipped between plate (9) and heat exchange unit (3).
8. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 7, it is characterised in that: the elastic balloon
(95) it is made of fluorubber.
9. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 6, it is characterised in that: the auxiliary seal
Plate (9) is made of several cell boards (91), and several (91) four sides of cell board are equipped with connecting plate (92), adjacent institute
It states the connecting plate (92) on cell board (91) to be bonded to each other and fix by bolt (93), the cell board (91) and upper housing
(1), it is bonded to each other and is fixed by bolt (93), two connecting plates also by connecting plate (92) between lower case (2)
(92) heat-resistant seal gasket (94) are equipped between, between connecting plate (92) and upper housing (1) and lower case (2).
10. Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy according to claim 2, it is characterised in that: the structure sheaf
(311) material is set as 3003 aluminium alloys, and the material of the welding layer (312) is set as 4104 aluminium alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684162.4A CN110332834A (en) | 2019-07-26 | 2019-07-26 | Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684162.4A CN110332834A (en) | 2019-07-26 | 2019-07-26 | Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy |
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| Publication Number | Publication Date |
|---|---|
| CN110332834A true CN110332834A (en) | 2019-10-15 |
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ID=68147780
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| CN201910684162.4A Pending CN110332834A (en) | 2019-07-26 | 2019-07-26 | Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy |
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