CN209558969U - A kind of plate heat exchanger - Google Patents
A kind of plate heat exchanger Download PDFInfo
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- CN209558969U CN209558969U CN201822275046.0U CN201822275046U CN209558969U CN 209558969 U CN209558969 U CN 209558969U CN 201822275046 U CN201822275046 U CN 201822275046U CN 209558969 U CN209558969 U CN 209558969U
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- plate
- runner
- cold medium
- sectional area
- flow
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Abstract
The utility model discloses a kind of plate heat exchangers, including plate component, plate component includes several plates, the two sides of each plate are respectively equipped with first runner and second flow channel, the cross-sectional area of the first runner is greater than the cross-sectional area of second flow channel, first runner between adjacent plate combines the wide runner to be formed for being connected to cold medium, and the second flow channel between adjacent plate combines the narrow flow road to be formed for being connected to thermal medium.The utility model is by being arranged wide runner and narrow flow road in plate component, it is respectively communicated with the cold medium of big flow and the thermal medium of small flow, the flow resistance of large flow fluid can not only be reduced, it can also keep the flow velocity of small flow material, so that it is guaranteed that the heat exchange efficiency of plate heat exchanger does not reduce, meet the heat exchange demand of heating industry, simultaneously because the cross-sectional area of wide runner is larger, therefore is applicable to viscosity height, containing fine-grained medium.
Description
Technical field
The utility model relates to plate heat exchanger technical field more particularly to a kind of plate heat exchangers.
Background technique
The cross-sectional area and equivalent diameter of two fluid courses of common plate heat exchanger are equal, and by board-like
The flow of the two media of heat exchanger is different in most cases, such as in heating industry, high temperature circulation water heat supply
Feature is that supply backwater temperature difference is big, flow is small, and the characteristics of low-temperature circulating water heat supply is that supply backwater temperature difference is small, flow is big.When board-like
Heat exchanger plate two sides flow is not equal and when differing larger, in order to reduce the circulating resistance of big flow, can by increase plate come
Meet port number, the port number that thus large and small flow can be made to pass through is identical with cross-sectional area, so that small flow
Velocity of medium is lower, in turn results in heat exchange efficiency reduction, is unable to satisfy the requirement of heat supply.Either use different process groups
It closes, keeps the flow velocity of two media close or equal as far as possible, but in the case where multipaths, flow resistance increases, and pressure drop is big, fortune
Row is costly.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of plate heat exchanger, can solve
The flow velocity of two kinds of heat transferring mediums is equal in heat exchanger, problem of heat transfer effect difference.
The utility model solves technical solution used by its technical problem are as follows:
A kind of plate heat exchanger, including plate component, the plate component include several plates, the two sides of each plate
It is respectively equipped with first runner and second flow channel, the cross-sectional area of the first runner is greater than the cross-sectional area of second flow channel, adjacent
First runner between plate combines the wide runner to be formed for being connected to cold medium, and the second flow channel between adjacent plate combines shape
At the narrow flow road for being connected to thermal medium.
As an improvement of the above technical solution, the ratio between the cross-sectional area in the cross-sectional area of the wide runner and narrow flow road is 2
~4:1.
As an improvement of the above technical solution, the wide runner and narrow flow road interleaved arrange.
It as an improvement of the above technical solution, further include the front end-plate being square, front end-plate is equipped with cold medium channel and heat
Medium channel, cold medium channel are connected to the wide runner, and hot media channel is connected to the narrow flow road, the cross in cold medium channel
The ratio between cross-sectional area of sectional area and hot media channel is 2~4:1.
As an improvement of the above technical solution, the cold medium channel includes cold medium import and cold medium outlet, cold Jie
Matter import and cold medium outlet are diagonally positioned, and cold medium import is located at the lower section of cold medium outlet；Hot media channel includes
Thermal medium inlet and thermal medium outlet, thermal medium inlet and thermal medium outlet are diagonally positioned, and thermal medium inlet is located at heat and is situated between
The top of matter outlet.
It as an improvement of the above technical solution, further include end plate, guide rod and fastening assembly, one end of guide rod and front end-plate
It is fixedly connected, plate component and the equal impaling of end plate are in the side of guide rod, and plate component and end plate can be along the length of guide rod
It is mobile to spend direction, plate component is pressed on the side of front end-plate by fastening assembly by end plate.
As an improvement of the above technical solution, the plate is corrugated.
The beneficial effects of the utility model have:
The utility model is respectively communicated with the cold medium of big flow and small by the way that wide runner and narrow flow road is arranged in plate component
The thermal medium of flow can not only reduce the flow resistance of large flow fluid, additionally it is possible to the flow velocity of small flow material is kept, thus
Ensure that the heat exchange efficiency of plate heat exchanger does not reduce, meet the heat exchange demand of heating industry, simultaneously because the cross section of wide runner
Product is larger, therefore is applicable to viscosity height, containing fine-grained medium.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail, in which:
Fig. 1 is the axonometric drawing of the utility model embodiment；
Fig. 2 is the plate component front view of the utility model embodiment；
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Specific embodiment
Referring to Fig. 1~3, a kind of plate heat exchanger of the utility model, including plate component 1, the plate component 1 include
Several plates 13, the two sides of each plate 13 are respectively equipped with first runner 14 and second flow channel 15, the first runner 14
Cross-sectional area is greater than the cross-sectional area of second flow channel 15, and the combination of first runner 14 between adjacent plate 13 forms cold for being connected to
The wide runner 11 of medium, the second flow channel 15 between adjacent plate 13 combine the narrow flow road 12 formed for being connected to thermal medium.Its
In, cold medium and thermal medium can be same or different medium, the call that only relative temperature is distinguished, i.e., hot Jie
The temperature of matter is higher relative to the temperature of cold medium, not the cold medium and thermal medium in absolute sense, due in fluid channel
Flow velocity be by the flow of cross-sectional area in the unit time, therefore the cold medium of big flow passes through wide runner, the heat of small flow
Medium may make the flow velocity for carrying out the two media of heat exchange close or equal by narrow flow road, thus meet the needs of heat supply,
It also ensures that the heat exchange efficiency of plate heat exchanger does not reduce, simultaneously because the cross-sectional area of wide runner is larger, therefore is applicable to
Viscosity is high, contains fine-grained medium.
In the present embodiment, the ratio between thermal medium flow and cold medium flow as used by heating industry are 1:2 or 1:
4, in order to meet the needs of heating industry, the ratio between the cross-sectional area in cross-sectional area of the wide runner 11 and narrow flow road 12 for 2~
4:1.Preferably, the ratio between the cross-sectional area in the cross-sectional area of wide runner 11 and narrow flow road 12 is 2.5:1.
As shown in figure 3, in the present embodiment, the wide runner 11 is arranged with 12 interleaved of narrow flow road.It in this way can be most
It is exchanged heat using plate metallic area to limits, saves metal cost.
Further include the front end-plate 2 being square as shown in Figure 1, in the present embodiment, front end-plate 2 be equipped with cold medium channel and
Hot media channel, cold medium channel are connected to the wide runner 11, and hot media channel is connected to the narrow flow road 12, and cold medium is logical
The ratio between cross-sectional area of the cross-sectional area in road and hot media channel is 2~4:1, so as to fat pipe with plate component 1 and narrow logical
Road matches.Preferably, the ratio between the cross-sectional area of cross-sectional area and hot media channel in cold medium channel is 2.5:1.
As shown in Figure 1, in the present embodiment, the cold medium channel includes that cold medium import 21 and cold medium export 23,
Cold medium import 21 and cold medium outlet 23 are diagonally positioned, and cold medium import 21 is located at the lower section of cold medium outlet 23；Heat
Medium channel includes thermal medium inlet 22 and thermal medium outlet 24, and thermal medium inlet 22 and thermal medium outlet 24 are diagonally positioned,
And thermal medium inlet 22 is located at the top of thermal medium outlet 24.Such structure makes cold and hot medium form diagonal adverse current, i.e., cold
Medium flows through the one side of plate from the bottom up, and thermal medium flows through the another side of plate from top to bottom, is conducive to improve heat exchanger pair
Number mean temperature difference, to improve heat exchange efficiency.
As shown in Figure 1, further including end plate 3, guide rod 4 and fastening assembly 5, one end of guide rod 4 is with before in the present embodiment
End plate 2 is fixedly connected, and plate component 1 and the equal impaling of end plate 3 are in the side of guide rod 4, and plate component 1 and end plate 3
Length direction along guide rod 4 moves, and plate component 1 is pressed on the side of front end-plate 2 by fastening assembly 5 by end plate 3.Assembling
When plate heat exchanger, according to the order of gasket 6- plate 13- gasket 6 by several gaskets 6 and plate 13 successively impaling
In the side of guide rod 4 in order to be assembled into plate component 1, such structure is conducive to the precise positioning of plate, then by rear end
3 impaling of plate in guide rod 4 side and be pressed on the side of plate component 1, finally by fastening assembly 5 tighten front end-plate 2 and after
End plate 3, so that plate component 1 is compacted to form closed heat exchanger channels.When needing replacing plate plate, by dismantling fastening group
Part 5 can be replaced, easy to operate, be conducive to plate heat exchanger maintenance.
As shown in figure 3, in the present embodiment, for convenient for die sinking compacting, the plate 13 is corrugated.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, all should belong to the utility model
Protection scope.
Claims (7)
1. a kind of plate heat exchanger, it is characterised in that: including plate component (1), the plate component (1) includes several plates
(13), the two sides of each plate (13) are respectively equipped with first runner (14) and second flow channel (15), the first runner (14)
Cross-sectional area is greater than the cross-sectional area of second flow channel (15), and first runner (14) combination between adjacent plate (13), which is formed, to be used for
It is connected to the wide runner (11) of cold medium, second flow channel (15) combination between adjacent plate (13) is formed for being connected to thermal medium
Narrow flow road (12).
2. a kind of plate heat exchanger according to claim 1, it is characterised in that: it is described width runner (11) cross-sectional area with
The ratio between the cross-sectional area in narrow flow road (12) is 2~4:1.
3. a kind of plate heat exchanger according to claim 1, it is characterised in that: the width runner (11) and narrow flow road (12)
Interleaved arrangement.
4. a kind of plate heat exchanger according to claim 1, it is characterised in that: it further include the front end-plate (2) being square, it is preceding
End plate (2) is equipped with cold medium channel and hot media channel, and cold medium channel is connected to the wide runner (11), hot media channel and
Narrow flow road (12) connection, the ratio between the cross-sectional area and the cross-sectional area of hot media channel in cold medium channel are 2~4:1.
5. a kind of plate heat exchanger according to claim 4, it is characterised in that: the cold medium channel include cold medium into
Mouth (21) and cold medium outlet (23), cold medium import (21) and cold medium outlet (23) are diagonally positioned, and cold medium import
(21) it is located at the lower section of cold medium outlet (23)；Hot media channel includes thermal medium inlet (22) and thermal medium outlet (24), heat
Medium entrance (22) and thermal medium outlet (24) are diagonally positioned, and thermal medium inlet (22) is located at the upper of thermal medium outlet (24)
Side.
6. a kind of plate heat exchanger according to claim 4, it is characterised in that: further include end plate (3), guide rod (4) and
One end of fastening assembly (5), guide rod (4) is fixedly connected with front end-plate (2), and plate component (1) and end plate (3) impaling are in leading
The side of bar (4), and plate component (1) and end plate (3) can be mobile along the length direction of guide rod (4), end plate (3) passes through
Plate component (1) is pressed on the side of front end-plate (2) by fastening assembly (5).
7. a kind of plate heat exchanger according to claim 1, it is characterised in that: the plate (13) is corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275046.0U CN209558969U (en) | 2018-12-28 | 2018-12-28 | A kind of plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275046.0U CN209558969U (en) | 2018-12-28 | 2018-12-28 | A kind of plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209558969U true CN209558969U (en) | 2019-10-29 |
Family
ID=68306863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822275046.0U Active CN209558969U (en) | 2018-12-28 | 2018-12-28 | A kind of plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209558969U (en) |
-
2018
- 2018-12-28 CN CN201822275046.0U patent/CN209558969U/en active Active
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