CN103217049A - Plate heat exchanger and sheet bar thereof - Google Patents
Plate heat exchanger and sheet bar thereof Download PDFInfo
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- CN103217049A CN103217049A CN 201210014200 CN201210014200A CN103217049A CN 103217049 A CN103217049 A CN 103217049A CN 201210014200 CN201210014200 CN 201210014200 CN 201210014200 A CN201210014200 A CN 201210014200A CN 103217049 A CN103217049 A CN 103217049A
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Abstract
The invention relates to a sheet bar of a plate heat exchanger. The sheet bar comprises a first plate plane and a second plate plane which are located on positive and negative surfaces of the sheet bar, and separation sections which can divide the sheet bar into at least two regions; the separation sections comprise a first separation section, a second separation section and a third separation section; the third separation section comprises two slots with the same length, the slots are adjacently arranged side by side and are respectively hollowed towardsopposite directionsrelative to the sheet bar, the slots include a first slot and a second slot, and the first separation section and the third separation section are respectively located at the two ends of the second separation section; the first separation section is an extending section of the first slot on the sheet bar, and the second separation section is an extending section of the second slot on the sheet bar; and on the first sheet plane of the sheet bar, the first separation section and the first slot are hollowed, and the second separation section and the second slot are protruded; and on the second sheet plane of the sheet bar, the first separation section and the first slot are protruded, and the second separation section and the second slot are hollowed.
Description
Technical field
The present invention relates to the heat exchange field, in particular, relate to a kind of plate type heat exchanger and plate thereof.
Background technology
Plate type heat exchanger is a kind of compactness, heat exchanger efficiently, it is imperative equipment in the industrial process, be widely used in the industries such as power, chemical industry, food, air-conditioning, heat supply, machinery, it still is the key equipment in new forms of energy such as UTILIZATION OF VESIDUAL HEAT IN, solar energy utilization, seawater utilization, the geothermal utilization.
Plate type heat exchanger is piled up by the stamping forming thin plate sheet of multi-disc and forms, and realizes fixing by bolt or welding.Adjacent two plates form a fluid heat exchanger channels, and cold fluid and hot fluid respectively passes through the fluid heat exchanger channels, and carries out heat exchange.A fluid heat exchanger channels only flows a kind of fluid.Heat exchanger is provided with import and export at two ends.The material of plate is generally stainless steel, titanium plate, aluminium alloy etc.
Plate type heat exchanger generally is rectangular shape, and length-width ratio is generally greater than 2, because be the heat exchange efficiency that reaches certain during the fluid heat exchange, fluid has certain requirement in the flow velocity and the flow process of heat exchanger.Heat exchanger is long more, and corresponding flow process is big more, and rate of flow of fluid is also often big more, helps reaching the heat exchange efficiency of target more.
And in some specific applied environments, the heat exchanger placement space is limited, and the length direction space is limited especially often, length-width ratio is difficult to satisfy the requirement greater than 2, such as in automobile is used, so heat exchanger can not design longly, but this will influence the realization of target heat exchange efficiency.
With simple individual event fluid interchange is example, and the relation of the coefficient of heat transfer and rate of flow of fluid is described.In the plate type heat exchanger, the type of flow is generally turbulent flow, and the n power of coefficient of heat transfer k and flow velocity v is v
nBe directly proportional, the n value is generally between 0.6 ~ 1.0.
The plate of prior art comprises the center heat exchange area and is distributed in center heat exchange area hole, angle (01,02,03,04) all around that the center heat exchange area generally includes picture on surface 12 and board plane 11 as shown in Figure 1.The difformity that picture on surface 12 mostly is relative board plane 11 depressions or convexes to form is such as wave pattern, pit pattern etc.
As shown in Figure 1, the import and the outlet of fluid of the same race are separately positioned on two ends, and fluid flows toward outlet from whole passage after import enters the fluid heat transferring passage.Heat exchanger is satisfying under the length requirement, for guaranteeing the heat exchange amount, has to increase the quantity or the plate groups width (corresponding to channel width) of plate.
Summary of the invention
One of purpose of the present invention is: provide a kind of plate of plate type heat exchanger for solving defective that above-mentioned prior art can only improve the heat exchange amount of heat exchanger by the width that increases No. of plates or increase plate groups, two of purpose of the present invention provides a kind of plate type heat exchanger.
The present invention is for solving the defective of above-mentioned prior art, a kind of plate of plate type heat exchanger is provided, described plate comprises and is positioned at double-edged two board planes of plate: first board plane and second board plane, comprise the distance piece that plate is separated at least 2 zones, described distance piece comprises first distance piece, second distance piece and the 3rd distance piece, described the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and groove that described relatively respectively plate caves in the opposite direction: first groove and second groove, described first distance piece and the 3rd distance piece lay respectively at the two ends of described second distance piece; Described first distance piece is the extension of described first groove on described plate, and described second distance piece is the extension of described second groove on described plate;
At first board plane of plate, first distance piece and first groove depression, second distance piece and the second groove projection, at second board plane of plate, first distance piece and the first groove projection, second distance piece and second groove depression.
Preferably, the length of described distance piece is L, and the length of described first distance piece is L1, and the length of described second distance piece is L2, wherein 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
Preferably, described first groove is adjacent with second groove and seamlessly transit, and the height of described first groove, first distance piece, second groove and the relative described plate of second distance piece about equally.
Preferably, described first groove and second groove are divided into two zones with described plate, described two zones are respectively equipped with hole, two angles, the back-up ring in the hole, two angles in each zone is separately positioned on the both sides of described plate, and the height of the height of the described relatively plate of described back-up ring and described first groove, first distance piece, second groove and the relative described plate of second distance piece about equally.
Preferably, be respectively arranged with hole, two angles in the both sides of described first distance piece and the both sides of second distance piece, back-up ring is to the direction depression of second distance piece depression on the hole, two angles of the first distance piece both sides, and back-up ring is thought the direction depression of first distance piece depression on the hole, two angles of the second distance piece both sides.
Preferably, described plate is divided into into two zones by distance piece, each zone all comprises the heat exchange zone that is positioned at its core, promptly the zone between the hole, two angles is the heat exchange zone, the heat exchange zone is provided with rough picture on surface, described picture on surface is: wave pattern or pit shape, the height of the relative board plane of described picture on surface needs less than the height of first groove with the relative board plane of second groove.
Two of purpose of the present invention is: a kind of plate type heat exchanger is provided, comprises board component, described board component comprises the plate of at least 3 stacked settings, and adjacent two plates seal into a fluid heat exchanger channels, and described plate is above-mentioned each described plate.
Preferably, described board component comprises three plates that are cascading: first plate, second plate and the 3rd plate;
Preferably, first board plane of described second plate and first board plane of the 3rd plate be over against setting, second board plane of described second plate and the corresponding setting of first board plane of first plate.
Preferably, first groove of described second plate and first plate compresses and contacts, and first distance piece of two plates also compresses contact, hole, the angle back-up ring of the second distance piece both sides of two plates compresses contact, form the first fluid passage between two plates, the space between second distance piece that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
Preferably, second groove of described second plate and third edition sheet compresses and contacts, and second distance piece of two plates also compresses contact, hole, the angle back-up ring of the first distance piece both sides of two plates compresses contact, form second fluid passage between two plates, the space between first distance piece that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
The plate of plate type heat exchanger of the present invention is by adopting first groove and second groove that caves in to the both sides of plate respectively, and respectively with the extension of first groove and second groove of first groove and second groove: first distance piece and second distance piece isolate the lengthening fluid passage of two kinds of different fluid respectively in the plate both sides.Thereby be implemented under the condition of certain-length, the quantity that does not increase plate also can guarantee the heat exchange amount of plate type heat exchanger.Can make heat exchanger under the length restriction of harshness, still have the bigger rate of flow of fluid and the coefficient of heat transfer.
The distance piece length L of the plate of plate type heat exchanger of the present invention, the first distance piece length L 1 and 2 three parameters of the second distance piece length L satisfy following proportion: 1/6≤L1/L≤1/3, and the flow resistance of the heat exchange efficiency and the fluid of plate type heat exchanger has been taken into account in 1/6≤L2/L≤1/3.
The plate of plate type heat exchanger of the present invention piles up the plate type heat exchanger that forms makes the import of same fluid and outlet just can be arranged on the same end of heat exchanger, has simplified the connecting line of heat exchanger and other equipment greatly.
Description of drawings
Figure 1 shows that the plate schematic diagram of the plate type heat exchanger of prior art;
Figure 2 shows that the plate specific embodiment schematic diagram of plate type heat exchanger of the present invention;
Figure 3 shows that the specific embodiment schematic diagram of the board component that the plate groups of plate type heat exchanger of the present invention is dressed up;
Figure 4 shows that the front view of the specific embodiment of the board component that the plate groups of plate type heat exchanger of the present invention is dressed up;
Figure 5 shows that the A-A cutaway view shown in Fig. 4;
Figure 6 shows that the B-B cutaway view shown in Fig. 4;
Figure 7 shows that the C-C cutaway view shown in Fig. 4;
Figure 8 shows that the fluid flow path schematic diagram of the plate type heat exchanger that the plate groups of plate type heat exchanger of the present invention is dressed up.
The specific embodiment
The plate of plate type heat exchanger as shown in Figure 2, plate comprise and be positioned at double-edged two board planes of plate: the first board plane 101(is as shown in Figure 2) and the second board plane 102(is as shown in Figure 3).Plate comprises the distance piece that plate is separated at least 2 zones, distance piece comprises first distance piece 211, second distance piece 212 and the 3rd distance piece, the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and groove that relative respectively plate caves in the opposite direction: first groove 201 and second groove, 202, the first distance pieces 211 and second distance piece 212 lay respectively at the two ends of the 3rd distance piece; First distance piece 211 is first extension of groove 201 on plate, and second distance piece 212 is second extension of groove 202 on plate.
Just formed the fluid course of distance piece two side areas so respectively in the both sides of plate: at first board plane 101 of plate, first distance piece 211 and first groove, 201 depressions, second distance piece 212 and second groove, 202 projectioies, second board plane 102 at plate, first distance piece 211 and first groove, 201 projectioies, second distance piece 212 and second groove, 202 depressions.
In like manner second distance piece 212 of adjacent plate and second groove 202 respectively crimping the space between the adjacent plate is divided into two spaces, fluid flows into another space from the position of second distance piece, 212 depressions under the guiding of first distance piece 211 of crimping and first groove 201.
Cause first distance piece 211 and second distance piece 212 so just can isolate the lengthening fluid passage of two kinds of different fluid in the plate both sides respectively respectively to the both sides of plate depression.Thereby be implemented under the condition of certain-length, the quantity that does not increase plate also can guarantee the heat exchange amount of plate type heat exchanger.
The plate of plate type heat exchanger of the present invention can make heat exchanger still have the bigger rate of flow of fluid and the coefficient of heat transfer under the length restriction of harshness.
Such as, the length of heat exchanger is H, and by a baffling, heat exchanger is from the actual effective length with 2H of angle of fluid interchange, and corresponding flow velocity is 2 times of prior art (non-baffling).According to the heat exchange law, coefficient of heat transfer k will be increased to 2
nDoubly (n=0.6 ~ 1.0).According to heat exchange formula Q=k*S*dT, wherein Q is the heat exchange amount, and S is a heat exchange area, and dT is the mean temperature difference of two kinds of fluids, under the constant situation of dT and Q, when k is increased to 2
nTimes the time, total heat exchange area S will reduce 1-1/2
n, when n=0.8, total heat exchange area S minimizing amplitude reaches 40%.That is: for realizing identical heat exchange amount, under the identical situation of other parameters, use plate of the present invention, the length L of heat exchanger uses the heat exchanger of prior art plate can reduce about 40% relatively.
The quantity of distance piece can specifically be provided with according to actual conditions on each plate, and plate is provided with a distance piece in the embodiments of the invention, and plate is divided into 2 zones.In the ensuing description of the present invention only the plate with a distance piece be that example is told about, the plate that is provided with a plurality of distance pieces can be derived according to the embodiment of the invention and be drawn also in protection scope of the present invention, does not repeat them here.
Concrete, first groove 201 is adjacent with second groove 202 and seamlessly transit.And first groove 201 is roughly the same with the cup depth of second groove, 202 relative board planes, and the distance between plates that so just can guarantee heat exchanger well is from about equally.
Wherein, the length of distance piece is L, and the length of first distance piece 211 is L1, and the length of second distance piece is L2.Path width when the length ratio relation of cause first distance piece 211 and second distance piece 212 and distance piece has determined the fluid baffling, therefore first distance piece 211 and second distance piece 212 concern flow resistance and the flowing velocity that has determined fluid with the length ratio of distance piece.If first distance piece 211 and second distance piece 212 are excessive with the length ratio of distance piece, will cause and can amass and can not utilize well by hot side, the technique effect that baffling brings will be had a greatly reduced quality.If first distance piece 211 and second distance piece 212 are too small with the length ratio of distance piece, the flow resistance in the time of will causing the fluid baffling is excessive.For taking into account heat exchange efficiency and flow resistance, need to guarantee that L, L1 and three parameters of L2 satisfy following proportion: 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
For guaranteeing fluid outflow heat exchanger again behind baffling, hole, the angle back-up ring on the plate needs special the setting.Hole, angle back-up ring both can be the boss that punching press forms on plate, also can be that fixing seal is installed in hole, angle annulus spare on every side.The height of the relative board plane of back-up ring equals the height of first groove 201 or second groove, 202 relative board planes.
To shown in Figure 8, be respectively arranged with hole, two angles as Fig. 2 in the both sides of first distance piece 211 and the both sides of second distance piece 212.Back-up ring is to the direction depression of second distance piece, 212 depressions on the hole, two angles of first distance piece, 211 both sides, and back-up ring is thought the direction depression of first distance piece, 211 depressions on the hole, two angles of second distance piece, 212 both sides.
So, the import of same fluid and outlet just can be arranged on the same end of heat exchanger, have simplified the connecting line of heat exchanger and other equipment greatly.
Plate is divided into into two zones by distance piece, and each zone all comprises the heat exchange zone that is positioned at its core, and promptly the zone between the hole, two angles is the heat exchange zone.Can suppress various picture on surface on the heat exchange zone as required and guarantee that with suitable increase fluid flow resistance fluid stops certain hour to realize maximized exchange heat in the heat exchange zone.The height of the relative board plane of picture on surface needs less than the height of first groove 201 with second groove, 202 relative board planes.The concrete shape of picture on surface is not limit, and both can be the herringbone ripple shown in the example, can be pit shape yet, specifically can design according to actual conditions.
Pile up the schematic diagram of the board component that forms plate type heat exchanger to the plate that Figure 7 shows that plate type heat exchanger of the present invention as Fig. 4.The board component of plate type heat exchanger comprises the plate of at least 2 stacked settings.The given board component embodiment of present embodiment comprises three plates that are cascading: first plate 1, second plate 2 and the 3rd plate 3.
Plate type heat exchanger is as shown in Figure 8 piled up, is fixedly formed by some stamping forming plates, and the fixed form around the plate can be soldering or bolting or Laser Welding etc., and adjacent two plates seal into a fluid heat exchanger channels.Single line arrow shown in the figure and double-lined arrow represent two kinds of different fluids in plate type heat exchanger glide path.In the time of actual the use, the import and export of two kinds of fluids both can be the ends of heat exchanger that coexists, and also can be distributed in the two ends of heat exchanger.
Extremely shown in Figure 7 as Fig. 5, first board plane 101 of second plate 2 and first board plane 101 of the 3rd plate 3 are over against setting, first groove 201 of two plates compresses contact, and first distance piece 211 of two plates also compresses contact, and hole, the angle back-up ring of second distance piece, 212 both sides of two plates compresses contact.Second board plane 102 of second plate 2 and first board plane 101 of first plate 1 are over against setting, second groove 202 of two plates compresses contact, and second distance piece 212 of two plates also compresses contact, and hole, the angle back-up ring of first distance piece, 211 both sides of two plates compresses contact.
Form the first fluid passage between second plate 2 and first plate 1, the space between second distance piece 212 that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.Form second fluid passage between second plate 2 and the third edition sheet 3, the space between first distance piece 211 that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.The first fluid and second fluid are realized heat exchange by the conduction of second plate heat.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the plate of a plate type heat exchanger, described plate comprises and is positioned at double-edged two board planes of plate: first board plane (101) and second board plane (102), it is characterized in that, comprise the distance piece that plate is separated at least 2 zones, described distance piece comprises first distance piece (211), second distance piece (212) and the 3rd distance piece, described the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and groove that described relatively respectively plate caves in the opposite direction: first groove (201) and second groove (202), described first distance piece (211) and the 3rd distance piece lay respectively at the two ends of described second distance piece (212); Described first distance piece (211) is the extension of described first groove (201) on described plate, and described second distance piece (212) is the extension of described second groove (202) on described plate;
First board plane (101) at plate, first distance piece (211) and first groove (201) depression, second distance piece (212) and second groove (202) projection, second board plane (102) at plate, first distance piece (211) and first groove (201) projection, second distance piece (212) and second groove (202) depression.
2. the plate of plate type heat exchanger according to claim 1 is characterized in that, the length of described distance piece is L, the length of described first distance piece (211) is L1, the length of described second distance piece (212) is L2, wherein 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
3. the plate of plate type heat exchanger according to claim 1 and 2, it is characterized in that, described first groove (201) is adjacent with second groove (202) and seamlessly transit, and the height of described first groove (201), first distance piece (211), second groove (202) and the relative described board plane of second distance piece (212) about equally.
4. the plate of plate type heat exchanger according to claim 3, it is characterized in that, described first groove (201) and second groove (202) are divided into two zones with described plate, described two zones are respectively equipped with hole, two angles, the back-up ring in the hole, two angles in each zone is separately positioned on the both sides of described plate, and the height of the height of the described relatively plate of described back-up ring and described first groove (201), first distance piece (211), second groove (202) and the relative described plate of second distance piece (212) about equally.
5. the plate of plate type heat exchanger according to claim 4, it is characterized in that, be respectively arranged with hole, two angles in the both sides of described first distance piece (211) and the both sides of second distance piece (212), back-up ring is to the direction depression of second distance piece (212) depression on the hole, two angles of first distance piece (211) both sides, and back-up ring is thought the direction depression of first distance piece (211) depression on the hole, two angles of second distance piece (212) both sides.
6. the plate of plate type heat exchanger according to claim 5, it is characterized in that, described plate is divided into into two zones by distance piece, each zone all comprises the heat exchange zone that is positioned at its core, promptly the zone between the hole, two angles is the heat exchange zone, the heat exchange zone is provided with rough picture on surface, described picture on surface is: wave pattern or pit shape, the height of the relative board plane of described picture on surface needs less than the height of first groove (201) with the relative board plane of second groove (202).
7. a plate type heat exchanger is characterized in that, comprises board component, and described board component comprises the plate of at least 2 stacked settings, and adjacent two plates seal into a fluid heat exchanger channels, and described plate is each described plate of claim 1-6.
8. plate type heat exchanger according to claim 7 is characterized in that, described board component comprises three plates that are cascading: first plate (1), second plate (2) and the 3rd plate (3);
First board plane (101) of described second plate (2) and first board plane (101) of the 3rd plate (3) be over against setting, the corresponding setting of first board plane (101) of second board plane (102) of described second plate (2) and first plate (1).
9. plate type heat exchanger according to claim 8, it is characterized in that, first groove (201) of described second plate (2) and first plate (1) compresses and contacts, and first distance piece (211) of two plates also compresses contact, hole, the angle back-up ring of second distance piece (212) both sides of two plates compresses contact, form the first fluid passage between two plates, the space between second distance piece (212) that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
10. plate type heat exchanger according to claim 8, it is characterized in that, second groove (202) of described second plate (2) and third edition sheet (3) compresses and contacts, and second distance piece (212) of two plates also compresses contact, hole, the angle back-up ring of first distance piece (211) both sides of two plates compresses contact, form second fluid passage between two plates, the space between first distance piece (211) that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014200.3A CN103217049B (en) | 2012-01-18 | 2012-01-18 | A kind of plate type heat exchanger and plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014200.3A CN103217049B (en) | 2012-01-18 | 2012-01-18 | A kind of plate type heat exchanger and plate thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103217049A true CN103217049A (en) | 2013-07-24 |
| CN103217049B CN103217049B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210014200.3A Active CN103217049B (en) | 2012-01-18 | 2012-01-18 | A kind of plate type heat exchanger and plate thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300161A (en) * | 2014-07-11 | 2016-02-03 | 杭州三花研究院有限公司 | Heat exchanger and cooling fin thereof |
| CN107228582A (en) * | 2016-03-25 | 2017-10-03 | 丹佛斯微通道换热器（嘉兴）有限公司 | Plate type heat exchanger |
| WO2018019174A1 (en) * | 2016-07-28 | 2018-02-01 | 恒丰工程（香港）有限公司 | Multi-process detachable heat exchanger and dedicated heat exchange plate thereof |
| WO2018036467A1 (en) * | 2016-08-25 | 2018-03-01 | 杭州三花研究院有限公司 | Plate heat exchanger |
| CN108120328A (en) * | 2016-11-28 | 2018-06-05 | 赵亨锡 | Heat-exchangers of the plate type |
| CN108700387A (en) * | 2016-02-03 | 2018-10-23 | 摩丁制造公司 | Battery cooling plate heat exchanger and board group part |
| CN112313466A (en) * | 2018-06-28 | 2021-02-02 | 阿法拉伐股份有限公司 | Heat transfer plate and gasket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815534A (en) * | 1987-09-21 | 1989-03-28 | Itt Standard, Itt Corporation | Plate type heat exchanger |
| JPH09222285A (en) * | 1996-02-15 | 1997-08-26 | Zexel Corp | Heat-exchanger |
| US6681844B1 (en) * | 1998-10-15 | 2004-01-27 | Ebara Corporation | Plate type heat exchanger |
| SE532780C2 (en) * | 2008-08-28 | 2010-04-06 | Airec Ab | Flat heat exchanger with insulating edge |
-
2012
- 2012-01-18 CN CN201210014200.3A patent/CN103217049B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300161A (en) * | 2014-07-11 | 2016-02-03 | 杭州三花研究院有限公司 | Heat exchanger and cooling fin thereof |
| CN105300161B (en) * | 2014-07-11 | 2018-06-01 | 杭州三花研究院有限公司 | Heat exchanger and its radiating fin |
| CN108700387A (en) * | 2016-02-03 | 2018-10-23 | 摩丁制造公司 | Battery cooling plate heat exchanger and board group part |
| CN107228582A (en) * | 2016-03-25 | 2017-10-03 | 丹佛斯微通道换热器（嘉兴）有限公司 | Plate type heat exchanger |
| WO2018019174A1 (en) * | 2016-07-28 | 2018-02-01 | 恒丰工程（香港）有限公司 | Multi-process detachable heat exchanger and dedicated heat exchange plate thereof |
| CN107664445A (en) * | 2016-07-28 | 2018-02-06 | 恒丰工程（香港）有限公司 | Multipaths detachable plate heat exchanger and its special heat exchanger plates |
| WO2018036467A1 (en) * | 2016-08-25 | 2018-03-01 | 杭州三花研究院有限公司 | Plate heat exchanger |
| US11346612B2 (en) | 2016-08-25 | 2022-05-31 | Zhejiang Sanhua Intelligent Controls Co., Ltd. | Plate heat exchanger |
| CN108120328A (en) * | 2016-11-28 | 2018-06-05 | 赵亨锡 | Heat-exchangers of the plate type |
| CN112313466A (en) * | 2018-06-28 | 2021-02-02 | 阿法拉伐股份有限公司 | Heat transfer plate and gasket |
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| CN103217049B (en) | 2016-05-04 |
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Effective date of registration: 20170511 Address after: 310018 No. 301, No. 12, Hangzhou economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018, Zhejiang, Hangzhou Economic Development Zone Xiasha street, No. 12, No. 289 Patentee before: Hangzhou Sanhua Institute Co., Ltd. |
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