CN201666748U - Brazing plate-type heat exchangers - Google Patents
Brazing plate-type heat exchangers Download PDFInfo
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- CN201666748U CN201666748U CN2010201087989U CN201020108798U CN201666748U CN 201666748 U CN201666748 U CN 201666748U CN 2010201087989 U CN2010201087989 U CN 2010201087989U CN 201020108798 U CN201020108798 U CN 201020108798U CN 201666748 U CN201666748 U CN 201666748U
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Abstract
The utility model provides two brazing plate-type heat exchangers, wherein one brazing plate-type heat exchanger has simple structure and can realize that one medium simultaneously carries out the heat exchange with two media; and the other brazing plate-type heat exchanger can realize that two media simultaneously and respectively carry out the heat exchange with the other medium. The brazing plate-type heat exchangers comprise heat exchange plate core bodies of a first plate group and a second plate group which are arranged in parallel; and a first medium flow-in hole and a first medium flow-out hole on a bottom heat exchange plate of the first plate group and a second medium flow-in hole and a second medium flow-out hole of an end part heat exchange plate of the second plate group adjacent to the first plate group are set into blind holes; and rigid gaskets are added at the clearances of the blind holes of the two plates, so that a first medium flowing channel of the first plate group is isolated from a second flowing channel of the second plate group. The utility model can realize the parallel arrangement of a first work medium loop and a second work medium loop simply and conveniently; and the first work medium loop and the second work medium loop respectively form dual-loop heat exchange with a third work medium loop; and in addition, the processing and the assembly are convenient.
Description
Technical field
The utility model relates to a kind of plate type heat exchanger, relates in particular to a kind of integral braze-welded plate type heat exchanger of realizing a kind of medium and two media heat exchange simultaneously.
The utility model also relate to a kind of realize two media simultaneously respectively with the integral braze-welded plate type heat exchanger of another kind of medium heat exchange.
Background technology
Common brazing plate type heat exchanger can only be realized the heat exchange between the two media.But in more industrial practical application, need realize the heat exchange of a kind of medium and multiple medium simultaneously, for example, multiple medium all need be heated by a kind of medium of water vapour, or is cooled off by a kind of medium of cooling water.Especially at refrigerating field,, also need to be provided with the refrigeration unit of many platform independent in order to realize the accurate control of cryogenic temperature, by the refrigerant system of each refrigeration unit with carry out heat exchange with a kind of heat transfer medium.
At present, three circuit plate head exchanger is adopted in heat exchange when realizing a kind of medium and multiple medium more.As the disclosed a kind of three circuit plate head exchanger of CN1297524, comprise that at least ten are provided with and are used for three kinds of different heat-exchange fluid (x, y, the lamination plate of corrugating groove z), (y z) comprises two panel area that are centered around two tubular ducts and four panel area that are centered around four tubular ducts with each plate that the third fluid (x) carries out in the lamination plate of conduit of heat exchange to be formed for two kinds of fluids.But this three loop heat exchangers can not be realized the regulation and control of multiple heat exchange load flexibly, and complex structure, and production and maintenance cost are all higher.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of simple in structure, can realize a kind of medium simultaneously with the brazing plate type heat exchanger of two media heat exchange.
For solving above technical problem, the utility model has adopted following technical scheme:
Brazing plate type heat exchanger described in the utility model comprises the heat exchanger plates core body; Described heat exchanger plates core body comprises the first plate group and the second plate group that is set up in parallel; The described first plate group is provided with the first MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole, tap hole; The described second plate group is provided with the second MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole and tap hole; First MEDIA FLOW hand-hole and the tap hole on the bottom heat exchanger plates of the first plate group, the second MEDIA FLOW hand-hole and tap hole on the end heat exchanger plates of the second adjacent plate group that reaches are set to blind hole, and first media flow passage of the plate group of winning and the second media flow passage of the second plate group are isolated; Simultaneously, the 3rd MEDIA FLOW hand-hole and the tap hole on the bottom heat exchanger plates of the second plate group is set to blind hole.
The utility model adopts existing two loop heat exchanger plates to form the heat exchanger plates core body, such heat exchanger plates is provided with the ostium and the tap hole of two media, the folded circulation passage of formed plate with two media, the MEDIA FLOW hand-hole and the tap hole of one of them of the correspondence of two heat exchanger plates that the utility model is only wherein adjacent are set to blind hole, promptly easily this heat exchanger plates core body is separated into two relatively independent plate groups, its isolated respectively medium channel can carry out heat exchange with the third medium respectively for two kinds of different mediums.Adopt the utility model, need not to offer separately the heat exchanger plates diel, only utilize existing mold to make, and whole procedure and processing request and existing brazing plate type heat exchanger are basic identical, percent defective is low.
Simultaneously, because the utility model comprises the plate package that two different operating media and the third medium carry out heat exchange, there is pressure reduction between its first plate group and the second plate group, especially the blind hole placement of the end plate of the base plate of the first plate group and the adjacent with it second plate group, because utilizing existing diel makes, this blind hole place has the concaveconvex shape same with other heat exchanger plates, when the end plate of the base plate of the first plate group and the second plate group stacks together, form low-pressure clearance between its blind hole place, this makes the base plate of the first plate group and the end plate of the second plate group be punctured by the operating pressure of its corresponding work medium easily, causes going here and there serious heat exchange failure consequences such as liquid.
For solving this technical problem, the blind hole place of the utility model between the end heat exchanger plates of the bottom heat exchanger plates of the described first plate group and the adjacent second plate group is provided with the rigidity pad, by the setting of rigidity pad, transmits and disperse the operating pressure of two plate groups.
In order to eliminate the low-pressure clearance at blind hole place better, described rigidity pad should have and the blind hole shape adapting, with the bearing capacity at the end plate blind hole place of the base plate of the further raising first plate group and the second plate group.
But the brazing plate type heat exchanger of said structure is when actual motion, because the first medium heat exchange operating mode is associated with the heat exchange operating mode of second medium, wherein any medium working conditions change can influence the heat exchange of another medium, and this has influence on the flexibility and the independence of the regulation and control of heat exchanger heat exchange operating mode.
Therefore, another technical problem to be solved in the utility model is, provides a kind of two media of realizing simultaneously respectively with another kind of medium heat exchange, the brazing plate type heat exchanger with simple package assembly.
This brazing plate type heat exchanger comprises the heat exchanger plates core body; Described heat exchanger plates core body comprises the first plate group and the second plate group that is set up in parallel; The described first plate group is provided with the first MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole, tap hole; The described second plate group is provided with the second MEDIA FLOW hand-hole, tap hole and the 3rd medium or the 4th MEDIA FLOW hand-hole and tap hole; The first MEDIA FLOW hand-hole and tap hole and the 3rd MEDIA FLOW hand-hole, tap hole on the bottom heat exchanger plates of the first plate group, and the second MEDIA FLOW hand-hole on the end heat exchanger plates of the adjacent with it second plate group and tap hole and the 3rd medium or the 4th MEDIA FLOW hand-hole and tap hole all are set to blind hole, make the first media flow passage of the plate group of winning and be isolated with the second media flow passage of the second plate group, simultaneously, the 3rd media flow passage of the first plate group and be isolated with the 3rd medium or the 4th media flow passage of the second plate group.
Brazing plate type heat exchanger with said structure, because of the working media passage of its first plate group all is isolated with the second plate group, therefore, the heat exchange operating mode of the first plate group and the second plate group can not influence each other, and can realize the independent regulation and control of the first plate group and the second plate group heat exchange easily and flexibly.First medium of the first plate group if desired, second medium of the second plate group respectively simultaneously and the 3rd medium heat exchange, only need be established two pairs the 3rd media simultaneously and flow into and flow pass, is communicated with the first plate group, the second plate group respectively, can conveniently realize.
Identical with first kind of brazing plate type heat exchanger described in the utility model, for transmitting and disperse the operating pressure of two plate groups, can the rigidity pad be set at the blind hole place between the end heat exchanger plates of the bottom heat exchanger plates of the described first plate group and the adjacent second plate group.Described rigidity pad should have and the blind hole shape adapting, to eliminate the low-pressure clearance at blind hole place better.
The utility model is simple, and very convenient in the processing assembling of heat exchanger, with respect to existing multimedium heat exchanger, its actual application is stronger.
Description of drawings
Now in conjunction with the accompanying drawings, the utility model is further specified:
Fig. 1 is first kind of brazing plate type heat exchanger heat exchange process of the utility model schematic diagram;
Fig. 2 is that first kind of brazing plate type heat exchanger of the utility model adopts the heat exchanger plates structural representation;
Fig. 3 be among Fig. 2 A-A to setting up rigidity pad place partial view;
Fig. 4 is place, first kind of brazing plate type heat exchanger working media of a utility model inflow and outflow duct cross sectional view;
Fig. 5 is place, second kind of brazing plate type heat exchanger working media of a utility model inflow and outflow duct cross sectional view;
Fig. 6 is a solid rigidity gasket construction schematic diagram described in the utility model;
Fig. 7 is a hollow rigidity gasket construction schematic diagram described in the utility model.
The specific embodiment
As shown in Figure 1, first kind of brazing plate type heat exchanger described in the utility model comprises three heat-exchanging loops, that is: by the first working media loop that D3 flows into, D4 flows out, by the second working media loop that H3 flows into, H4 flows out, and by D1 flows into, D2 flows out the 3rd working media loop.Wherein, the first working media loop and the second working media loop are set up in parallel, and form the double loop heat exchange with the 3rd working media loop respectively.
First kind of brazing plate type heat exchanger described in the utility model adopts existing two loop heat exchanger plates to form the heat exchanger plates core body, and such heat exchanger plates is provided with the ostium and the tap hole of two media, the folded circulation passage with two media of formed plate.As shown in Figure 2, form the heat exchanger plates of heat exchanger plates core, be provided with first medium or the second MEDIA FLOW hand-hole 11, tap hole 12, and the 3rd MEDIA FLOW hand-hole 6, tap hole 7.
As shown in Figure 4, first kind of brazing plate type heat exchanger described in the utility model comprises heat exchanger plates core body 1; Heat exchanger plates core body 1 comprises the first plate group 2 and the second plate group 3 that is set up in parallel, the first plate group 2 and the second plate group 3 all adopt the stacked composition of existing two loop heat exchanger plates, only with the first MEDIA FLOW hand-hole and tap hole (Fig. 4 only shows the tap hole place) on the bottom heat exchanger plates of the first plate group 2, the second MEDIA FLOW hand-hole and tap hole on the end heat exchanger plates of the second adjacent plate group 3 that reaches are set to blind hole (Fig. 4 only shows the tap hole place), and add rigidity pad 4 at two board blind hole gap locations, first media flow passage of the plate group of winning and the second media flow passage of the second plate group are isolated; Simultaneously, the 3rd MEDIA FLOW hand-hole on the bottom heat exchanger plates 8 of the second plate group and tap hole also are set to blind hole (Fig. 4 only shows the ostium place), so that the 3rd medium loop is provided with easy.
As Fig. 2, shown in Figure 3, last first MEDIA FLOW hand-hole and the tap hole of bottom heat exchanger plates (not drawing among Fig. 2 and Fig. 3) in the first plate group, and the second MEDIA FLOW hand-hole and tap hole on the end heat exchanger plates 9 of the second adjacent with it plate group are set to blind hole, and at two board blind hole gap locations, according to the blind hole shape, add hollow rigidity pad 5 and solid rigidity pad 4 respectively, first media flow passage of the plate group of winning and the second media flow passage of the second plate group are isolated.
Second kind of brazing plate type heat exchanger described in the utility model as shown in Figure 5, comprises the heat exchanger plates core body; The heat exchanger plates core body comprises that the first plate group 2 that is set up in parallel and the second plate group, 3, the first plate groups 2 and the second plate group 3 all adopt the stacked composition of existing two loop heat exchanger plates; The first MEDIA FLOW hand-hole and tap hole (Fig. 5 only shows the tap hole place) and the 3rd MEDIA FLOW hand-hole and tap hole (Fig. 5 only shows the ostium place) on the bottom heat exchanger plates of the first plate group 2, the second MEDIA FLOW hand-hole on the end heat exchanger plates of the second adjacent plate group 3 that reaches and the ostium and the tap hole (Fig. 5 only shows the ostium place) of tap hole (Fig. 5 only shows the tap hole place) and the 3rd medium or the 4th medium, all be set to blind hole, and add rigidity pad 4 respectively at two board blind hole gap locations, first media flow passage of the plate group of winning and the second media flow passage of the second plate group are isolated, simultaneously, the 3rd media flow passage of the first plate group and be isolated with the 3rd medium or the 4th media flow passage of the second plate group.
As Fig. 6, shown in Figure 7, solid rigidity pad 4 and hollow rigidity pad 5 all have the outer surface that fits with two board blind hole places, for example: solid rigidity pad 4 has the upper and lower surface of circular arc lead angle 41, hollow rigidity pad 5 has the outer ring surface 51 of circular arc lead angle, and the interior ring surface 52 of circular arc lead angle arranged, fully fitted in the external surface shape and the heat exchanger plates blind hole surface of rigidity pad, the blind hole gap between first and second plate group is eliminated as far as possible, to strengthen the bearing capacity of whole heat exchanger.
Claims (6)
1. a brazing plate type heat exchanger comprises the heat exchanger plates core body; It is characterized in that: described heat exchanger plates core body comprises the first plate group and the second plate group that is set up in parallel; The described first plate group is provided with the first MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole, tap hole; The described second plate group is provided with the second MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole and tap hole; First MEDIA FLOW hand-hole and the tap hole on the bottom heat exchanger plates of the first plate group, the second MEDIA FLOW hand-hole and tap hole on the end heat exchanger plates of the second adjacent plate group that reaches are set to blind hole, and first media flow passage of the plate group of winning and the second media flow passage of the second plate group are isolated; Simultaneously, the 3rd MEDIA FLOW hand-hole and the tap hole on the bottom heat exchanger plates of the second plate group is set to blind hole.
2. brazing plate type heat exchanger according to claim 1 is characterized in that: the blind hole place between the end heat exchanger plates of the bottom heat exchanger plates of the described first plate group and the adjacent second plate group is provided with the rigidity pad.
3. brazing plate type heat exchanger according to claim 2 is characterized in that: described rigidity pad has and the blind hole shape adapting.
4. a brazing plate type heat exchanger comprises the heat exchanger plates core body; It is characterized in that: described heat exchanger plates core body comprises the first plate group and the second plate group that is set up in parallel; The described first plate group is provided with the first MEDIA FLOW hand-hole, tap hole and the 3rd MEDIA FLOW hand-hole, tap hole; The described second plate group is provided with the second MEDIA FLOW hand-hole, tap hole and the 3rd medium or the 4th MEDIA FLOW hand-hole and tap hole; The first MEDIA FLOW hand-hole and tap hole and the 3rd MEDIA FLOW hand-hole, tap hole on the bottom heat exchanger plates of the first plate group, and the second MEDIA FLOW hand-hole on the end heat exchanger plates of the adjacent with it second plate group and tap hole and the 3rd medium or the 4th MEDIA FLOW hand-hole and tap hole all are set to blind hole, make the first media flow passage of the plate group of winning and be isolated with the second media flow passage of the second plate group, simultaneously, the 3rd media flow passage of the first plate group and be isolated with the 3rd medium or the 4th media flow passage of the second plate group.
5. brazing plate type heat exchanger according to claim 4 is characterized in that: the blind hole place between the end heat exchanger plates of the bottom heat exchanger plates of the described first plate group and the adjacent second plate group is provided with the rigidity pad.
6. brazing plate type heat exchanger according to claim 5 is characterized in that: described rigidity pad has and the blind hole shape adapting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087989U CN201666748U (en) | 2010-02-02 | 2010-02-02 | Brazing plate-type heat exchangers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087989U CN201666748U (en) | 2010-02-02 | 2010-02-02 | Brazing plate-type heat exchangers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666748U true CN201666748U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201087989U Expired - Lifetime CN201666748U (en) | 2010-02-02 | 2010-02-02 | Brazing plate-type heat exchangers |
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| Country | Link |
|---|---|
| CN (1) | CN201666748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762192B (en) * | 2010-02-02 | 2011-09-07 | 江苏唯益换热器有限公司 | Soldering plate heat exchanger |
-
2010
- 2010-02-02 CN CN2010201087989U patent/CN201666748U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762192B (en) * | 2010-02-02 | 2011-09-07 | 江苏唯益换热器有限公司 | Soldering plate heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101208 Effective date of abandoning: 20110907 |