CN208443234U - A kind of multistage distribution plate heat exchanger - Google Patents
A kind of multistage distribution plate heat exchanger Download PDFInfo
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- CN208443234U CN208443234U CN201820604052.3U CN201820604052U CN208443234U CN 208443234 U CN208443234 U CN 208443234U CN 201820604052 U CN201820604052 U CN 201820604052U CN 208443234 U CN208443234 U CN 208443234U
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- heat exchanger
- heat exchange
- slanted bar
- conjugation
- bar ripple
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Abstract
The utility model discloses a kind of multistage distribution plate heat exchangers, are stacked gradually by the upper and lower heat exchanger fin that multiple groups external waviness is conjugated, are connected between each heat exchanger fin using brazing mode.Distributing trough region is come together in after fluid flows through heat exchanger heat exchange area, flows subsequently through next heat exchange area, successively repeatedly, realizes fluid multistage distribution function.The advantages that the utility model has local flow resistance small, and heat exchange efficiency is high, at low cost.
Description
Technical field
The utility model relates to plate heat exchanger more particularly to a kind of multistage distribution plate heat exchangers.
Background technique
Plate heat exchanger is that liquid-liquid, liquid-vapour carry out the ideal equipment of heat exchange, high with heat exchanger effectiveness,
The series of advantages such as heat loss is small, advantages of compact and light structure, the small, long service life of occupied area, thus be widely used in metallurgy,
The departments such as mine, petroleum, chemical industry, electric power, medicine, food, chemical fibre, papermaking, light textile, ship, heat supply, also, it can be used for adding
The various situations such as heat, cooling, evaporation, condensation, sterilizing, waste heat recycling.
Frequently with Chevy Trucks, vertical bar shaped decorative pattern and tumor shape decorative pattern, having can make conventional board-like heat exchanger surface decorative pattern
The advantages of turbulent flow, occurs under lower Reynolds number for fluid, and however, there are also the disadvantages that fluid resistance is larger.Disadvantages mentioned above
Cause fluid uneven in heat exchanger internal flow, heat exchange efficiency reduces.When plate heat exchanger as evaporator in use, assume
Fluid media (medium) (such as water) local mobility is excessively poor, easily congeals into ice under refrigerant effect, causes ice to block up problem, when changing
When hot plate chip architecture stiffness and strength are poor, the ice cube of expansion easily damages heat exchanger, causes ice to break problem, as shown in Figure 1.
It is above-mentioned routine plate heat exchanger be single-stage plate heat exchanger, i.e., liquid from liquid inlet flow through heat exchange plate decorative pattern after from
Liquid outlet flows directly out, fluid only have passed through single distribution, when fluid compared with low flow velocity flow down through Complex Heat decorative pattern when, hold very much
It is also easy to produce delay, to cause a series of problems.Assuming that fluid from liquid inlet flow into heat exchange plate after, can be through multiple " distributing troughs "
It protects after speed is protected and flows into next heat exchange plate region again, until being flowed out from outlet, then this multistage distribution formula heat exchanger can be big
The big single circulation flow channel length for shortening fluid, to reduce because of the excessively poor various problems of bring of fluid local mobility.
Above-mentioned " distributing trough " though can solve because of the excessively poor bring variety of problems of fluid local mobility, there is also one
Series engineering problem, such as " reservoir " Volume Problems, " reservoir " plate Rigidity etc..Thus need to propose that one kind can
Meet engineering practice demand again and can solve the excessive new technology of usual heat exchanger local flow resistance.
Utility model content
The technical problem to be solved by the present invention is to for common plate heat exchanger because runner is longer, local flow resistance
The disadvantages of excessive, leads to fluid retention problem, proposes a kind of multistage distribution heat exchanger.
The technical scheme in the invention for solving the above technical problem are as follows: the multistage distribution heat exchanger is by multiple groups surface
The upper and lower heat exchanger fin of ripple conjugation stacks gradually, and is connected by the way of soldering between each heat exchange plate；When fluid flows through
Distributing trough region is come together in behind heat exchange area, flows subsequently through next heat exchange area, successively repeatedly, realizes that fluid multistage distributes function
Energy.
Above-mentioned upper heat exchanger fin external waviness is divided into upper heat exchange compact district and upper heat exchange rarefaction according to heat exchange frequent degree, on
The corrugation density of heat exchange compact district is 1.5~3 times of upper heat exchange rarefaction.
Preferably, upper heat exchange compact district is by slanted bar ripple in upper slanted bar ripple, corresponding conjugation and upper conjugation slanted bar wave
Upper distributing trough composition between line pair；
Preferably, above-mentioned upper slanted bar ripple and the upper slanted bar ripple spacing dimension range of conjugation are 5~7mm；
Preferably, above-mentioned upper slanted bar ripple and the upper slanted bar wave height size range of conjugation are 1.8~2.5mm；
Preferably, above-mentioned upper distributing trough height dimension range is 1~2mm；
Preferably, above-mentioned upper distributing trough is provided with reinforcing rib structure；
Preferably, above-mentioned upper reinforcement height is having a size of 0.5~1mm.
Above-mentioned lower heat exchanger fin external waviness is divided into lower heat exchange compact district and lower heat exchange rarefaction according to heat exchange frequent degree, under
The corrugation density of heat exchange compact district is 1.5~3 times of lower heat exchange rarefaction.
Preferably, lower heat exchange compact district is by slanted bar ripple under lower slanted bar ripple, corresponding conjugation and lower conjugation slanted bar wave
Lower distributing trough composition between line pair；
Preferably, above-mentioned lower slanted bar ripple and the lower slanted bar ripple spacing dimension range of conjugation are 5~7mm；
Preferably, above-mentioned lower slanted bar ripple and the lower slanted bar wave height size range of conjugation are 1.8~2.5mm；
Preferably, above-mentioned lower distributing trough height dimension range is 1~2mm；
Preferably, above-mentioned lower distributing trough is provided with reinforcing rib structure；
Preferably, the height dimension range of above-mentioned lower reinforcing rib is 0.5~1mm.
Preferably, upper heat exchanger fin and lower heat exchanger fin external waviness conjugation, thus the corresponding ripple size of upper and lower heat exchanger fin
Value is identical.
Compared with the prior art, the advantages of the utility model are:
1. the long runner of the fluid formed between the heat exchanger fin in the utility model is divided a plurality of shorter runner, thus flow resistance
Smaller, fluid is not easy in local retention.
2. the heat exchanger fin in the utility model is divided into heat transfer zone and distributing trough area, fluid comes together in after flowing through a heat transfer zone
After distributing trough, then next heat transfer zone flowed to identical initial velocity, thus fluid mean flow rate is higher, heat exchange efficiency is high.
3. distributing trough area is provided with reinforcing rib in the utility model, local stiffness is larger, and heat exchanger is not likely to produce moulding change
Shape, long service life.
4. the plate surface that exchanges heat above and below in the utility model conjugate wave line structure is simple, thus plate die cost is lower, has
Conducive to reduction production cost.
Detailed description of the invention
Fig. 1 is multistage distribution heat exchanger heat exchanger fin connection schematic diagram in the utility model.Wherein n=1,2,3 ...
Fig. 2 is that multistage distributes heat exchanger fin schematic diagram on heat exchanger in the utility model.Wherein X, Z are upper heat exchange rarefaction, Y
For upper heat exchange compact district；A is feed liquor corner apertures, B is No.1 closing corner apertures, C is No. two closing corner apertures, D is liquid corner apertures.
Fig. 3 is the compact district schematic diagram that exchanges heat on upper heat exchanger fin in the utility model.Wherein M1、M3…M2p-1(p=1,
2 ...) it is upper slanted bar ripple, M2、M4…M2p(p=1,2 ...) it is corresponding upper conjugation slanted bar ripple, N1、M2…Np+1(p=1,
2 ...) it is upper distributing trough.
Fig. 4 be in the utility model on upper heat exchanger fin heat exchange compact district E-E to sectional schematic diagram.
Fig. 5 be in the utility model on upper heat exchanger fin heat exchange compact district F-F to sectional schematic diagram.
Fig. 6 is distributing trough reinforcing rib schematic diagram on heat exchanger fin upper in the utility model.
Fig. 7 is that multistage distributes heat exchanger fin schematic diagram under heat exchanger in the utility model.Wherein U, W are lower heat exchange rarefaction, V
For lower heat exchange compact district；A is feed liquor corner apertures, B is No.1 closing corner apertures, C is No. two closing corner apertures, D is liquid corner apertures.
Fig. 8 is the compact district schematic diagram that exchanges heat under lower heat exchanger fin in the utility model.Wherein R1、R3…R2q-1(q=1,2 ...)
For lower slanted bar ripple, R2、R4…R2q(q=1,2 ...) it is corresponding lower conjugation slanted bar ripple, S1、S2…Sq+1(q=1,2 ...)
For lower distributing trough.
Fig. 9 be in the utility model under lower heat exchanger fin heat exchange compact district G-G to sectional schematic diagram.
Figure 10 be in the utility model under lower heat exchanger fin heat exchange compact district H-H to sectional schematic diagram.
Figure 11 is the lower lower distributing trough reinforcing rib schematic diagram that exchanges heat in the utility model.
Figure 12 is multistage distribution heat exchanger longitudinal direction sectional schematic diagram in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The utility model proposes a kind of multistage distribution heat exchanger, it is being taken the specific technical proposal is:
A kind of multistage distribution heat exchanger, is stacked gradually by the upper and lower heat exchanger fin that multiple groups external waviness is conjugated, is such as schemed
Shown in 1, connected by the way of soldering between each heat exchanger fin.
Above-mentioned upper heat exchanger fin external waviness is divided into tri- regions X, Y, Z according to heat exchange frequent degree, as shown in Fig. 2, wherein
X, Z is upper heat exchange rarefaction, and Y is upper heat exchange compact district.A is feed liquor corner apertures in above-mentioned upper heat exchanger fin, B is No.1 closing corner apertures, C
It is liquid corner apertures for No. two closing corner apertures, D.The corrugation density of above-mentioned upper heat exchange compact district is the 1.5~3 of upper heat exchange rarefaction
Times.Above-mentioned upper heat exchange compact district is by upper slanted bar ripple (M1、M3…M2p-1(p=1,2 ...)), slanted bar ripple in corresponding conjugation
(M2、M4…M2p(p=1,2 ...)) and the upper upper distributing trough (N being conjugated between slanted bar ripple pair1、M2…Np+1(p=1,2 ...))
Composition, as shown in Figure 3.The section structure of slanted bar ripple is as shown in figure 4, wherein on above-mentioned upper slanted bar ripple and corresponding conjugation
The range of upper slanted bar ripple spacing dimension a is 5~7mm, and upper slanted bar wave height size b range is 1.8~2.5mm.On above-mentioned
Be conjugated slanted bar ripple pair and between distributing trough rotational section structure as shown in figure 5, the wherein range of upper distributing trough height dimension c
For 1~2mm.To improve distributing trough area local stiffness on above-mentioned upper heat exchanger fin, reinforcing rib, such as Fig. 6 are provided between upper distributing trough
It is shown, wherein the range of the height dimension g of upper reinforcing rib is 0.5~1mm.
Above-mentioned lower heat exchanger fin external waviness is divided into tri- regions U, V, W according to heat exchange frequent degree, as shown in fig. 7, wherein
U, W is lower heat exchange rarefaction, and V is lower heat exchange compact district.In above-mentioned lower heat exchanger fin A be feed liquor corner apertures, B be No.1 closing corner apertures,
C is No. two closing corner apertures, D is liquid corner apertures.The corrugation density of above-mentioned lower heat exchange compact district is the 1.5~3 of lower heat exchange rarefaction
Times.Above-mentioned lower heat exchange compact district is by lower slanted bar ripple (R1、R3…R2q-1(q=1,2 ...)), slanted bar ripple under corresponding conjugation
(R2、R4…R2q(q=1,2 ...)) and the lower lower distributing trough (S being conjugated between slanted bar ripple pair1、S2…Sq+1(q=1,2 ...))
Composition, as shown in Figure 8.The section structure of slanted bar ripple is as shown in figure 9, wherein under above-mentioned lower slanted bar ripple and corresponding conjugation
The range of lower slanted bar ripple spacing dimension d is 5~7mm, and lower slanted bar wave height size e range is 1.8~2.5mm.Under above-mentioned
Be conjugated slanted bar ripple pair and between distributing trough rotational section structure it is as shown in Figure 10, wherein the model of lower distributing trough height dimension f
It encloses for 1~2mm.To improve distributing trough area local stiffness under above-mentioned lower heat exchanger fin, it is provided with lower reinforcing rib between lower distributing trough, is such as schemed
Shown in 11, wherein the range of the height dimension h of lower reinforcing rib is 0.5~1mm.
Longitudinal section structure that above-mentioned multi-stage splitter heat exchanger fin is stacked as required after soldering is as shown in figure 12, wherein the area J
Domain is distributing trough area, and the region K is heat exchange area, and when fluid is after the K of heat exchange area, fluid different in flow rate converges at distributing trough
Qu Hou, the initial velocity for flowing through next heat exchange area K is identical, and which obviate due to runner is too long, the local flow resistance of heat exchanger fin is excessive
Generate fluid local retention phenomenon.
The above is only the preferred embodiment of the utility model only, and those skilled in the art know, is not departing from this
In the case where the spirit and scope of utility model, various changes or equivalent replacement can be carried out to these features and embodiment.Separately
Outside, it under the introduction of the utility model, can modify to these features and embodiment to adapt to particular situation and material
Without departing from the spirit and scope of the utility model.Therefore, the utility model is not by specific embodiment disclosed herein
It limits, the embodiment within the scope of fallen with claims hereof belongs to the protection scope of the utility model.
Claims (8)
1. a kind of multistage distribution plate heat exchanger, it is characterised in that: the multistage distribution heat exchanger is conjugated by multiple groups external waviness
Upper and lower heat exchanger fin stack gradually, between each heat exchange plate using soldering by the way of connect；When fluid flows through heat exchange area
After come together in distributing trough region, flow subsequently through next heat exchange area, successively repeatedly, realize fluid multistage distribution function.
2. a kind of multistage distribution plate heat exchanger according to claim 1, it is characterised in that: the upper heat exchanger fin surface wave
Line is divided into upper heat exchange compact district and upper heat exchange rarefaction according to heat exchange frequent degree, and the corrugation density of upper heat exchange compact district is above to change
1.5~3 times of hot rarefaction.
3. a kind of multistage distribution plate heat exchanger according to claim 2, it is characterised in that: the upper heat exchange compact district by
Upper distributing trough composition on upper slanted bar ripple, corresponding conjugation between slanted bar ripple and upper conjugation slanted bar ripple pair；On above-mentioned
Slanted bar ripple and the upper slanted bar ripple spacing dimension range of conjugation are 5~7mm, above-mentioned upper slanted bar ripple and the upper slanted bar ripple height of conjugation
Degree size range is 1.8~2.5mm, and above-mentioned upper distributing trough height dimension range is 1~2mm.
4. a kind of multistage distribution plate heat exchanger according to claim 3, it is characterised in that: have upper add between upper distributing trough
Strengthening tendons structure, the height dimension range of above-mentioned upper reinforcing rib are 0.5~1mm.
5. a kind of multistage distribution plate heat exchanger according to claim 1, it is characterised in that: the lower heat exchanger fin surface wave
Line is divided into lower heat exchange compact district and lower heat exchange rarefaction according to heat exchange frequent degree, and the corrugation density of lower heat exchange compact district changes under being
1.5~3 times of hot rarefaction.
6. a kind of multistage distribution plate heat exchanger according to claim 5, it is characterised in that: the lower heat exchange compact district by
Lower distributing trough composition under lower slanted bar ripple, corresponding conjugation between slanted bar ripple and lower conjugation slanted bar ripple pair；Under above-mentioned
Slanted bar ripple and the lower slanted bar ripple spacing dimension range of conjugation are 5~7mm, above-mentioned lower slanted bar ripple and the lower slanted bar ripple height of conjugation
Degree size range is 1.8~2.5mm, and above-mentioned lower distributing trough height dimension range is 1~2mm.
7. a kind of multistage distribution plate heat exchanger according to claim 6, it is characterised in that: have lower add between lower distributing trough
Strengthening tendons structure, the height dimension range of above-mentioned lower reinforcing rib are 0.5~1mm.
8. a kind of multistage distribution plate heat exchanger according to claim 2, it is characterised in that: upper heat exchanger fin and lower heat exchanger fin
External waviness conjugation, the corresponding ripple size value of upper and lower heat exchanger fin are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604052.3U CN208443234U (en) | 2018-04-26 | 2018-04-26 | A kind of multistage distribution plate heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604052.3U CN208443234U (en) | 2018-04-26 | 2018-04-26 | A kind of multistage distribution plate heat exchanger |
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| CN208443234U true CN208443234U (en) | 2019-01-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375313A (en) * | 2018-04-26 | 2018-08-07 | 江苏宝得换热设备股份有限公司 | A kind of multistage distribution plate heat exchanger |
| CN110545646A (en) * | 2019-08-26 | 2019-12-06 | 江苏宝得换热设备股份有限公司 | Condenser |
-
2018
- 2018-04-26 CN CN201820604052.3U patent/CN208443234U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375313A (en) * | 2018-04-26 | 2018-08-07 | 江苏宝得换热设备股份有限公司 | A kind of multistage distribution plate heat exchanger |
| CN108375313B (en) * | 2018-04-26 | 2024-04-19 | 江苏宝得换热设备股份有限公司 | Multistage distribution plate heat exchanger |
| CN110545646A (en) * | 2019-08-26 | 2019-12-06 | 江苏宝得换热设备股份有限公司 | Condenser |
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