CN201193897Y - Plate type heat exchanger - Google Patents
Plate type heat exchanger Download PDFInfo
- Publication number
- CN201193897Y CN201193897Y CNU2008200343001U CN200820034300U CN201193897Y CN 201193897 Y CN201193897 Y CN 201193897Y CN U2008200343001 U CNU2008200343001 U CN U2008200343001U CN 200820034300 U CN200820034300 U CN 200820034300U CN 201193897 Y CN201193897 Y CN 201193897Y
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- heat exchanger
- exchanger plates
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Abstract
The utility model discloses a plate type heat exchanger, which comprises a set of heat exchanging plates which are superposed. The heat exchanging plate unit comprises three types of heat exchanging plates: a first heat exchanging plate, a second heat exchanging plate and a third heat exchanging plate, wherein, the second and the third heat exchanging plates are superposed on every two heat exchanging plates; the heat exchanger is provided with a liquid inlet channel (20); at the same time, convex and concave surfaces (5,6,7,8) on the second heat exchanging plates (2) are attached to the concave and convex surfaces on the second heat exchanging plate (3) to form a first sealing face and a first liquid channel; through holes are arranged between the heat exchanging plates (17,18) to form a distribution channel (19) in the first and the second sealing zones, wherein, the distribution channel runs through all the second and the third heat exchanging plates; the distribution channel is respectively communicated with the liquid inlet channel (20) and the first liquid channel (30,31) via the through holes; a plane (21) of the first heat exchange plate is attached on the second and the third heat exchanging plates to form a second liquid channel (32).
Description
Technical field:
The utility model relates to a kind of plate type heat exchanger, especially relates to a kind of plate type heat exchanger that has multi-throttling device.
Background technology:
Commonly used in refrigerating field is plate type heat exchanger, such as air conditioner refrigerating etc., utilizes the evaporation of cold-producing medium to absorb a large amount of heats in two staggered and runners that isolate mutually, with refrigeration such as second fluid ratio such as water.Adopting this plate type heat exchanger as aspect the refrigeration system of evaporimeter, a more insoluble problem is that the cold-producing medium that enters the plate type heat exchanger intake channel is not evenly distributed to each evaporation runner between the heat exchanger plates, such maldistribution can cause some part of heat exchanger effectively not utilized, in these parts, cold-producing medium is by unnecessary overheated, or overheated too small, the one, refrigerating efficiency is low, and the 2nd, energy waste.
For solving the inhomogeneous assignment problem of cold-producing medium in the above-mentioned plate type heat exchanger, some schemes have been arranged in the prior art, such as throttling arrangement is set at intake channel with in evaporation channel, this throttling arrangement is realized by a throttling often, when the plate type heat exchanger volume was big, its effect was not satisfactory.In addition, flow resistance was bigger when runner distributed evaporative phase-change between adjacent heat exchanger plates during the work of the working medium of existing plate type heat exchanger, can influence the efficient of working medium work, thereby influence whole efficiency of heat exchanger.
The utility model content:
The utility model provides a kind of plate type heat exchanger that has multi-throttling device, with the cold-producing medium that the solves intake channel problem that is assigned to each evaporation runner between the heat exchanger plates heterogeneous.
The purpose of this utility model is to avoid the above-mentioned shortcoming of previous disclosed plate type heat exchanger, and provide a kind of being easy to make and low-cost plate type heat exchanger, wherein, heat exchanger plates is to constitute like this, can make to flow to the cold-producing medium that will be evaporated or other liquid acquisition uniform distribution of respectively evaporating runner between the heat exchanger plates.
Plate type heat exchanger, comprise that one group of heat exchanger plates is formed by stacking, it is characterized in that this plate package is made of first, second, third 3 kinds of heat exchanger plates, wherein second, third heat exchanger plates is to superpose successively every one first heat exchanger plates, and this heat exchanger has a described liquid-inlet passage 20.Simultaneously, the epirelief on the heat exchanger plates 2 and following concave plane 5,6,7,8 respectively with second heat exchanger plates 3 on recessed and epirelief 9,10,11,12 planes fit formation primary sealing area and first fluid runner.And through hole is offered in position 17,18 between heat exchanger plates, makes the middle formation of first, second seal area pass the distribution passage 19 of all second, third heat exchanger plates.Distribute passage to connect with intake channel 20 and first fluid runner 30,31 respectively by intercommunicating pore 13,14,15,16.Fit respectively and form second fluid course 32 in a plane 21 and second, third heat exchanger plates plane 23,24 of first heat exchanger plates.Described intercommunicating pore is to form by offering groove on first or second seal area or offering aperture at distribution passage periphery.First and/or second channel is formed by separately second, third heat exchanger plates 2,3 and between them, make a groove 13,14,15,16 at least one in heat exchanger plates so separately. First passage 13,14 distributes around intake channel 20 circumference.
The utility model is provided with more than one first and second passages 13,14,15,16 and is communicated with usefulness for distributing between passage 19 and each first fluid runner 30,31 and the intake channel 20, and along distributing distributing of passage 19 on every side.Described first and second passages 13,14; 15,16 size is fixed as to make them reach the connection that is formed with throttling between distribution passage 19 and the first fluid runner 30,31 respectively between intake channel 20 and distribution passage 19.
Described first and/or second channel constitute by distributing the passage periphery to offer to offer groove on aperture or the corresponding binding face.
First and/or second channel is formed by separately heat exchanger plates 2,3 and between them, make a groove 13,14,15,16 at least one in heat exchanger plates so separately.Be provided with more than one first and second passages 13,14,15,16, be communicated with usefulness, and around distribution passage 19, distribute for distributing between passage 19 and each first fluid runner 30,31 and the intake channel 20.
According to the utility model, this purpose can utilize the initial this plate type heat exchanger of describing to realize, its principal character is, this heat exchanger plates is provided with other aperture, constitute distribution passage, and these heat exchanger plates constitute first passage and second channel is communicated with intake channel and first flow respectively by the plate lamination.
For finishing to the cold-producing medium that flows into independent runner or the current limliting of other liquid, with regard to the utility model, parts that need not be extra, this throttling is finished by preform heat transfer plate before assembling.Above-mentioned these independent runners constitute the evaporating space between each heat exchanger plates.
In plate type heat exchanger of the present utility model, when by at intake channel with when distributing the first passage that forms between the passage, make cold-producing medium or other liquid stream that will be evaporated bear first pressure drop and part evaporation, before the second channel of flowing through entered the evaporation runner that forms between each heat exchanger plates, withstanding pressure equated in distributing passage then.This makes fluid cold-producing medium of each runner between heat exchanger plates obtain distributing very uniformly.When the part vaporized refrigerant enters the evaporation runner through second runner, bear second pressure drop once more, make cold-producing medium distribute more evenly, thereby make plate type heat exchanger obtain very effective utilization.Certainly, as special case, first seal area can not be communicated with or part is communicated with, and can obtain distribution effects preferably equally.
Point out that as top plate type heat exchanger of the present utility model can not only be used for the evaporation of various cold-producing mediums, and can be used for other evaporation of liquid.First, second passage of this plate type heat exchanger and distribution passage can constitute the initial part vaporising device of input liquid, and this input liquid evaporates in the actual evaporation runner between each heat exchanger plates then further.
Point out that as top plate type heat exchanger of the present utility model can not only be used for the evaporation of various cold-producing mediums, and can be used for other evaporation of liquid.First, second passage of this plate type heat exchanger and distribution passage can constitute the initial part vaporising device of input liquid, and this input liquid evaporates in the actual evaporation runner between each heat exchanger plates then further.
For finishing to the cold-producing medium that flows into independent runner or the current limliting of other liquid, with regard to the utility model, parts that need not be extra, this throttling is finished by preform heat transfer plate before assembling.Above-mentioned these independent runners constitute the evaporating space between each heat exchanger plates.In plate type heat exchanger of the present utility model, when by at intake channel with when distributing the first passage that forms between the passage, make cold-producing medium or other liquid stream that will be evaporated bear first pressure drop and part evaporation, before the second channel of flowing through entered the evaporation runner that forms between each heat exchanger plates, withstanding pressure equated in distributing passage then.This makes fluid cold-producing medium of each runner between heat exchanger plates obtain distributing very uniformly.When the part vaporized refrigerant enters the evaporation runner through second fluid course, bear second pressure drop once more, make cold-producing medium distribute more evenly, thereby make plate type heat exchanger obtain very effective utilization.Certainly, as special case, first seal area can not be communicated with or part is communicated with, and can obtain distribution effects preferably equally.
The beneficial effects of the utility model are: adopt the utility model then not need other part, the first fluid runner is to be formed by separately heat exchanger plates, cross-section variation is more slow, elongated the distance of access road direction cross-section variation thus, form the throttle orifice of first fluid runner and access road simultaneously, reduced the flow through pressure loss of access road of fluid, made the fluid can be assigned with into first fluid runner more equably.The utility model obtains the plate type heat exchanger that more satisfactory restriction enters fluid, and the heat exchanger plates of this plate type heat exchanger can be realized described restriction under the lower situation of the production of plate type heat exchanger and assembly cost.Access road place in plate package is provided with throttling arrangement, to solve the fluid problem that is assigned to the runner between heat exchanger plates heterogeneous of access road, particularly in the two-phase heat transfer process, the liquid of phase transformation distributes uneven problem at each runner, can greatly alleviate by the utility model.The utility model is a kind of plate type heat exchanger that has multi-throttling device, with the cold-producing medium that the solves intake channel problem that is assigned to each evaporation runner between the heat exchanger plates heterogeneous.
Description of drawings:
Fig. 1 represents the perspective view of common plate type heat exchanger.
The mould profile of conventional plate type heat exchanger when Fig. 2 represents that the A-A hatching is seen in Fig. 1.
When Fig. 3 represents that the A-A hatching is seen in Fig. 1, the part cross section of the plate type heat exchanger of the utility model first embodiment.
Fig. 4 is according to the part cross-sectional schematic of first example of the present utility model along the B-B hatching intercepting of Fig. 3.
Fig. 5 is according to the plate type heat exchanger of second example of the present utility model part cross-sectional schematic along the intercepting of the A-A hatching among Fig. 1.
Fig. 6 represents to be included in the part heat exchanger plates in the plate type heat exchanger of another embodiment of the utility model;
The specific embodiment:
Fig. 1 represents a common plate type heat exchanger, comprises a lamination heat transfer plate 2 and two outer cover plates 3 and 4 of cultivating respectively at laminated bottom and top.Plate type heat exchanger has first and second imports 6 and 7 of two kinds of heat exchanging fluids, and first and second outlets 5 and 8.
Fig. 2 is the cutaway view of the A-A direction of Fig. 1, comprise several heat exchanger plates, plate is provided with through hole, be welded to each other bonding between wherein reaching 11 and 12 between 9 and 10, forming sealing surface, and 10 and 9,12 and 11 form passages, makes first fluid enter to flow through after the left channel 10 and 9 gap, enter the first fluid runner that heat exchanger plates forms, can not enter right channel owing to 11,12 adhesive seal make first fluid.In like manner, second fluid can not enter left channel, isolate mutually between the first fluid and second fluid thus, can only carry out the heat biography in passage at interval changes, certainly this plate type heat exchanger can have a plurality of entrance and exits, the shape of passage and position also can freely be selected, and bonding can be rubber seal or various ways such as welding soldering, gummed.
Fig. 3 represents the part plate type heat exchanger by the utility model first embodiment design, and the second and the 3rd heat exchanger plates 2,3 is provided with the first aperture 20A and closely spaced second an aperture 19A apart.All first aperture 20A alignment, and form the intake channel 20 that passes through first, second, third heat exchanger plates lamination, the second all aperture 19A also align, form and distribute passage 19, extend in parallel with intake channel 20, by the heat exchanger plates lamination, certainly, distributing passage can be more than one.
Wherein, heat exchanger plates is pressed into by this sample loading mode, makes per two separately heat exchanger plates, defining therebetween will be for the runner 30,31 of first fluid circulation, and both against each other, near extending around the aperture 19, around the 20A of aperture, extending from certain distance of panel edges portion that forms these apertures 20A.Second, third heat exchanger plates forms simultaneously and defines the runner (32) that will supply second fluid flow near first heat exchanger plates.These heat exchanger plates for example for good and all link together with soldering.
Be communicated with for making intake channel 20 and distributing between the passage 19, on first seal area on second, third heat exchanger plates 2 or 3, offer groove or distributing the passage periphery to offer aperture formation first passage.Best, at least one hole (13,14) make intake channel 20 be communicated with one first seal area 33,34.In addition, distribute passage 19 and each first fluid runner (30,31) to be communicated with for making, the liquid that Gong is evaporated flows through, and offers groove or distributing the passage periphery to offer the second channel that aperture (15,16) forms on second seal area of second, third heat exchanger plates.Best, at least one hole (15,16) make first seal area 31 and described distribution channel connection.The number of intercommunicating pore 13,14,15,16 and size can be suitable for fluid easily and flow to distribution passage 19, the desirable throttling action of fluid flow that enters runner again from intake channel 20.Intercommunicating pore 13,14,15 and 16 can or wherein be made on a heat exchanger plates at all second, third heat exchanger plates 2,3, and if this intercommunicating pore is more than one, and then these holes can distribute along intake channel 20 or around distributing passage 19 respectively.
The utility model can be selected the appropriate size of hole 13,14 and 15,16 selectively, thereby can form the feed opening of the abundant qualification of using for the throttling of input cold-producing medium.Essence of the present utility model is, the cold-producing medium that evaporate or other liquid are by intake channel 20 and distribute the hole 13,15 between the passage 19 or stood secondary pressure at 14,16 o'clock and fall, and in distributing passage prevapourising.Wherein, the evaporation runner is between the adjacent heat exchanger plates and forms at interval, like this, in plate type heat exchanger of the present utility model, throttling arrangement for the cold-producing medium that enters the evaporation runner or other liquid stream usefulness is integrated in the heat exchanger plates, thereby, the manufacturing of plate type heat exchanger and assembly cost are reduced.
Fig. 5 represents another embodiment of the present utility model.This moment No. 1 heat exchanger plates place second, third heat exchanger plates 2,3 below, second, third heat exchanger plates 2,3 is provided with the first aperture 20A and at a distance of closely spaced second an aperture 19A.All first aperture 20A alignment, and form the intake channel 20 that passes through first, second, third heat exchanger plates, 1,2,3 laminations, the second all aperture 19A also align, and form to distribute passage 19, extend in parallel with intake channel 20, by the heat exchanger plates lamination.
In aperture 20A and 20 scopes, per two separately heat exchanger plates define will be for the runner 30,31 of first fluid circulation, and both against each other, near extending around the aperture 19, around the 20A of aperture, extending from certain distance of panel edges portion that forms these apertures 20A.Second, third heat exchanger plates 2,3 forms simultaneously and defines the runner (32) that will supply second fluid flow near first heat exchanger plates.
Be communicated with for making intake channel 20 and distributing between the passage 19, on first seal area on second, third heat exchanger plates 2 or 3, offer groove or distributing the passage periphery to offer aperture (13,14) formation first passage.Equally, distribute passage 19 and each first fluid runner (30,31) to be communicated with for making, the liquid that Gong is evaporated flows through, on second seal area of second, third heat exchanger plates 2,3, offer groove or distributing the passage periphery to offer the second channel that aperture (15,16) forms.The number of intercommunicating pore 13,14,15,16 and size can be suitable for fluid easily and flow to distribution passage 19, the desirable throttling action of fluid flow that enters runner again from intake channel 20.
Certainly, distributing passage 19 can be to arrange on a periphery, also can arrange as shown in Figure 6 on an off-centre operation side face.
At last; should be understood that; above embodiment only is the more representational example of the utility model; obviously; the technical solution of the utility model is not limited to the foregoing description, and many distortion can also be arranged, all distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model; comprise this integral type throttling arrangement is local or all split into the device of the same form of being made up of several parts, all should think protection domain of the present utility model.
Claims (8)
1. plate type heat exchanger, comprise that one group of heat exchanger plates is formed by stacking, it is characterized in that this plate package is made of first, second, third 3 kinds of heat exchanger plates, wherein second, third heat exchanger plates is to superpose successively every one first heat exchanger plates, and this heat exchanger has a described liquid-inlet passage (20); Simultaneously, the epirelief on second heat exchanger plates (2) and following concave plane (5,6,7,8) respectively with second heat exchanger plates (3) on recessed and epirelief plane (9,10,11,12) fit formation primary sealing area and first fluid runner; And intercommunicating pore is offered in (17,18) position between heat exchanger plates, makes the middle formation of first, second seal area pass the distribution passage (19) of all second, third heat exchanger plates; Distribute passage to connect with intake channel (20) and first fluid runner (30,31) respectively by intercommunicating pore (13,14,15,16); Fit respectively with second, third heat exchanger plates plane (23,24) and form second fluid course (32) in one plane (21) of first heat exchanger plates.
2. plate type heat exchanger according to claim 1, it is characterized in that first and/or second channel constitute by distributing the passage periphery to offer to offer groove on aperture or the corresponding binding face.
3. plate type heat exchanger according to claim 1 is characterized in that first and/or second channel is formed by separately second, third heat exchanger plates (2,3) and between them, make a groove (13 at least one in heat exchanger plates so separately, 14,15,16).
4. plate type heat exchanger according to claim 1 is characterized in that first passage (13,14) distributes around intake channel (20) circumference.
5. plate type heat exchanger according to claim 1, its feature is provided with more than one first and second passages (13,14,15,16) for distributing passage (19) and each first fluid runner (30,31) and between the intake channel (20) be communicated with usefulness, and along distributing distributing of passage (19) on every side.
6. by the described plate type heat exchanger of claim 1, it is characterized in that described first and second passages (13,14; 15, size 16) is fixed as to make them reach the connection that is formed with throttling between distribution passage (19) and the first fluid runner (30,31) respectively between intake channel (20) and distribution passage (19).
7. by claim 1 or 2 described plate type heat exchangers, it is characterized in that described first and/or second channel constitute by distributing the passage periphery to offer to offer groove on aperture or the corresponding binding face.
8. by the described plate type heat exchanger of claim 1, it is characterized in that first and/or second channel is formed by separately heat exchanger plates (2,3) and between them, make a groove (13,14,15,16) at least one in heat exchanger plates so separately; And be provided with more than one first and second passages (13,14,15,16), be communicated with usefulness for distributing between passage (19) and each first fluid runner (30,31) and the intake channel 20, and along distributing distributing of passage (19) on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200343001U CN201193897Y (en) | 2008-04-22 | 2008-04-22 | Plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200343001U CN201193897Y (en) | 2008-04-22 | 2008-04-22 | Plate type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201193897Y true CN201193897Y (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200343001U Expired - Lifetime CN201193897Y (en) | 2008-04-22 | 2008-04-22 | Plate type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201193897Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980328A (en) * | 2012-12-10 | 2013-03-20 | 丹佛斯（杭州）板式换热器有限公司 | Plate type heat exchanger |
| CN103512399A (en) * | 2013-10-14 | 2014-01-15 | 胡桂林 | Small integrated heat exchanger |
| CN104995474A (en) * | 2012-12-21 | 2015-10-21 | 法雷奥热系统公司 | Condenser with a refrigerant supply for an air-conditioning circuit |
-
2008
- 2008-04-22 CN CNU2008200343001U patent/CN201193897Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980328A (en) * | 2012-12-10 | 2013-03-20 | 丹佛斯（杭州）板式换热器有限公司 | Plate type heat exchanger |
| CN102980328B (en) * | 2012-12-10 | 2015-04-22 | 丹佛斯（杭州）板式换热器有限公司 | Plate type heat exchanger |
| CN104995474A (en) * | 2012-12-21 | 2015-10-21 | 法雷奥热系统公司 | Condenser with a refrigerant supply for an air-conditioning circuit |
| CN104995474B (en) * | 2012-12-21 | 2019-09-06 | 法雷奥热系统公司 | The condenser with refrigerant supply unit for air-conditioning circuit |
| CN103512399A (en) * | 2013-10-14 | 2014-01-15 | 胡桂林 | Small integrated heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 214400 No. 33, Xicheng Road, Jiangyin, Jiangsu Patentee after: Jiangsu Baode Heat Exchanger Equipment Co., Ltd. Address before: 210018, 118, Cheng Yin Street, Xuanwu District, Jiangsu, Nanjing Patentee before: Jiangsu Baode Heat Exchanger Equipment Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat Effective date of registration: 20111227 Granted publication date: 20090211 Pledgee: Jiangyin Jiangsu rural commercial bank Limited by Share Ltd South Gate Branch Pledgor: Jiangsu Baode Heat Exchanger Equipment Co., Ltd. Registration number: 2011990000513 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170113 Granted publication date: 20090211 Pledgee: Jiangyin Jiangsu rural commercial bank Limited by Share Ltd South Gate Branch Pledgor: Jiangsu Baode Heat Exchanger Equipment Co., Ltd. Registration number: 2011990000513 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090211 |