CN203928850U - A kind of heat exchanger uniform flow orifice and plate type heat exchanger - Google Patents
A kind of heat exchanger uniform flow orifice and plate type heat exchanger Download PDFInfo
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- CN203928850U CN203928850U CN201420244281.0U CN201420244281U CN203928850U CN 203928850 U CN203928850 U CN 203928850U CN 201420244281 U CN201420244281 U CN 201420244281U CN 203928850 U CN203928850 U CN 203928850U
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- heat exchanger
- uniform flow
- flow orifice
- plate type
- type heat
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- 239000003507 refrigerant Substances 0.000 abstract description 47
- 239000007788 liquid Substances 0.000 description 24
- 239000012530 fluid Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 16
- 230000008602 contraction Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000012795 verification Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of heat exchanger uniform flow orifice and plate type heat exchanger, relate to technical field of heat exchangers, for the refrigerant that enters plate type heat exchanger is distributed in plate type heat exchanger uniformly, invent to improve the performance of heat exchanger and stability.The utility model heat exchanger comprises plate body with uniform flow orifice, and described plate body middle part offers through hole, and the diameter of described through hole is less than the feed tube interface internal diameter of heat exchanger.The utility model heat exchanger is used for plate type heat exchanger with uniform flow orifice.
Description
Technical field
The utility model relates to technical field of heat exchangers, relates in particular to a kind of heat exchanger uniform flow orifice and plate type heat exchanger.
Background technology
In the units such as heat pump water chiller-heater unit or water source multi-connected machine, can use plate type heat exchanger, its effect is to make refrigerant and water carry out cold exchange heat, the heat transfer effect of plate type heat exchanger directly affects the performance of whole unit, generally, when refrigerant enters plate type heat exchanger, be gas-liquid two-phase, be distributed to the mass flow discrepancy of the each branch road of plate type heat exchanger, can make the heat exchange property of heat exchanger unstable, effect is undesirable, so the heat transfer effect of necessary raising plate type heat exchanger.
In plate type heat exchanger, heat-transfer effect between two kinds of fluids, determine the performance of plate type heat exchanger, and then affect the performance that uses plate type heat exchanger unit, the heat transfer of two kinds of fluids of visible enhancing in plate type heat exchanger is very important, and do not changing under the prerequisite of plate type heat exchanger internal structure, wants to strengthen inner heat exchange, after need to making two kinds of fluids enter plate type heat exchanger, can be uniformly distributed, fully to increase the heat exchange area between them.
Plate type heat exchanger of the prior art, due to the impact in the time that when design does not fully take into account biphase gas and liquid flow, systematic function being brought.Because from structure and know-why angle, in liquid refrigerants, be mingled with the bubble of slug flow, the as easy as rolling off a log refrigerant that causes distributes inequality at inlet tube place, and some runners have been full of liquid refrigerants, has plenty of gaseous state, what have is the refrigerant of gas-liquid mixed, brings larger difference to overall performance, and two kinds of fluids can not flow into plate type heat exchanger very equably, heat transfer effect is not very desirable, also unstable, make the performance of plate type heat exchanger also undesirable, unstable.Simultaneously in the plate type heat exchanger of prior art, as shown in Figure 1, the refrigerant fluid of gas-liquid two-phase is in the time flowing into feed tube interface 02 from feed tube 03, because feed tube interface 02 place's bore is larger, refrigerant can be inhomogeneous enter plate type heat exchanger, heat transfer effect is now unstable, bad when fashion, the performance of plate type heat exchanger is also unstable, and then makes the stability variation of whole unit.
Utility model content
Embodiment of the present utility model provides a kind of heat exchanger uniform flow orifice and plate type heat exchanger, can make the refrigerant that enters plate type heat exchanger be distributed to uniformly in plate type heat exchanger, has improved performance and the stability of heat exchanger.For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of heat exchanger uniform flow orifice, comprises plate body, and described plate body middle part offers through hole, and the diameter of described through hole is less than the feed tube interface internal diameter of heat exchanger.
Further, described plate body is cylindrical structural, and the feed tube interface internal diameter of the external diameter of described plate body and described heat exchanger adapts.
Further, the external diameter of described plate body is 6.35 millimeters～15.88 millimeters.
Further, described plate body is cylindrical structural, and the external diameter of described plate body is 12.7 millimeters.
Further, the diameter of described through hole is 4.5 millimeters～5.5 millimeters.
Further, the diameter of described through hole is 5 millimeters.
Further, the thickness of described plate body is 3 millimeters.
The utility model embodiment on the other hand also provide a kind of plate type heat exchanger, comprises feed tube interface, is equipped with the heat exchanger uniform flow orifice described in above-mentioned arbitrary technical scheme in described feed tube interface.
Uniform flow orifice and plate type heat exchanger for the heat exchanger that the utility model embodiment provides, plate body middle part at uniform flow orifice offers through hole, because the diameter of through hole is less than the feed tube interface internal diameter of heat exchanger, when gas-liquid two-phase refrigerant fluid enters uniform flow orifice from feed tube, and finally enter heat exchanger by the through hole on the plate body of uniform flow orifice, therefore in this process, gas-liquid two-phase refrigerant fluid can be through the process of a sudden contraction sudden expansion, make the Pressure Drop fluctuation of gas-liquid two-phase refrigerant fluid, thereby affect the saturation temperature of refrigerant, and then refrigerant mass dryness fraction is changed, finally make the refrigerant fluid mixing of gas-liquid two-phase even, be distributed to uniformly again in heat exchanger, performance and the stability of heat exchanger are improved, plate type heat exchanger of the prior art is owing to not designing uniform flow orifice, feed tube interface bore is larger, refrigerant can be inhomogeneous enter plate type heat exchanger, make performance and the bad stability of plate type heat exchanger, and then refrigeration, heating capacity and the unit eer of complete machine are reduced, and being combined with traditional plate type heat exchanger, uniform flow orifice can promote refrigeration, heating capacity and the unit eer of complete machine, again due to the precision control reason of production technology, for different plate type heat exchangers, feed tube inserts the full degree of scolder of the degree of depth at feed liquor interface tube place and the weld of feed tube and feed tube interface and cannot accomplish in full accord, can there is the uneven phenomenon of shunting, and then make the consistency level variation of plate type heat exchanger performance, even cause significant batch of property performance difference, and uniform flow orifice is placed in after the feed tube interface of plate type heat exchanger, even cannot accomplish under condition consistent precision control in production technology level, also can complete the abundant mixed flow of different entrance mass dryness fraction refrigerants, the conformity of production manufactured in producing and the uniformity of unit performance are greatly promoted, again due to plate type heat exchanger of the prior art, feed tube interface bore is larger, slug flow in biphase gas and liquid flow is the main cause that refrigerant flow noise produces, gas-liquid two-phase refrigerant fluid enters the process of feed tube interface from feed tube, taylor bubble can not well mix with liquid refrigerants, therefore can be at the obvious refrigerant flow noise of the inner formation of plate type heat exchanger.And uniform flow orifice is inserted after feed tube interface, can make gas-liquid two-phase refrigerant fluid enter in the process of the through hole uniform flow orifice plate body from feed tube, after the process of a sudden contraction sudden expansion, complete preferably mixing of taylor bubble and liquid refrigerants, but can, at the obvious refrigerant flow noise of the inner formation of plate type heat exchanger, can not make the reducing noise of heat exchanger unit.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of prior art plate type heat exchanger;
Fig. 2 is the top view of the utility model embodiment heat exchanger uniform flow orifice;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of the utility model embodiment plate type heat exchanger.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
Fig. 2 and Fig. 3 are a specific embodiment of the utility model embodiment heat exchanger uniform flow orifice, in the present embodiment, heat exchanger comprises plate body 11 with uniform flow orifice 1, plate body 11 middle parts offer through hole 12, and the diameter of through hole 12 is less than the feed tube interface internal diameter of heat exchanger.
The uniform flow orifice 1 for heat exchanger that the utility model embodiment provides, plate body 11 middle parts at uniform flow orifice 1 offer through hole 12, uniform flow orifice 1 is placed in to feed tube interface, because the diameter of through hole 12 is less than the feed tube interface internal diameter of heat exchanger, when gas-liquid two-phase refrigerant fluid enters uniform flow orifice 1 from feed tube, and finally enter heat exchanger by the through hole 12 on the plate body 11 of uniform flow orifice 1, therefore in this process, gas-liquid two-phase refrigerant fluid can be through the process of a sudden contraction sudden expansion, make the Pressure Drop fluctuation of gas-liquid two-phase refrigerant fluid, thereby affect the saturation temperature of refrigerant, and then refrigerant mass dryness fraction is changed, finally make the refrigerant fluid mixing of gas-liquid two-phase even, be distributed to uniformly again in heat exchanger, performance and the stability of heat exchanger are improved, as shown in Figure 1, plate type heat exchanger of the prior art is owing to not designing uniform flow orifice, feed tube interface 02 place's bore is larger, refrigerant can be inhomogeneous enter plate type heat exchanger, make performance and the bad stability of plate type heat exchanger, and then refrigeration, heating capacity and the unit eer of complete machine are reduced, and after uniform flow orifice 1 is combined with traditional plate type heat exchanger, can greatly promote refrigeration, heating capacity and the unit eer of complete machine, again due to the precision control reason of production technology, for the different plate type heat exchanger of prior art, feed tube 03 inserts the degree of depth and the feed tube 03 at feed liquor interface tube 02 place and cannot accomplish in full accord with the full degree of scolder of the weld of feed tube interface 02, can there is the uneven phenomenon of shunting, and then make the consistency level variation of plate type heat exchanger performance, even cause significant batch of property performance difference, and as shown in Figure 4, uniform flow orifice 1 is placed in behind feed tube interface 2 places of plate type heat exchanger, even cannot accomplish under condition consistent precision control in production technology level, also can complete the abundant mixed flow of different entrance mass dryness fraction refrigerants, the conformity of production manufactured in producing and the uniformity of unit performance are greatly promoted, again due to plate type heat exchanger of the prior art, as shown in Figure 1, feed tube interface 02 place's bore is larger, slug flow in biphase gas and liquid flow is the main cause that refrigerant flow noise produces, gas-liquid two-phase refrigerant fluid enters the process of feed tube interface 02 from feed tube 03, taylor bubble can not well mix with liquid refrigerants, therefore can be at the obvious refrigerant flow noise of the inner formation of plate type heat exchanger.And as shown in Figure 4, uniform flow orifice 1 is inserted behind feed tube interface 2 places, can make gas-liquid two-phase refrigerant fluid enter in the process of the through hole 12 plate body 11 of uniform flow orifice 1 from feed tube 3, after the process of a sudden contraction sudden expansion, complete preferably mixing of taylor bubble and liquid refrigerants, but can not form obvious refrigerant flow noise in plate type heat exchanger inside, and then make the reducing noise of heat exchanger unit.
As shown in Figure 2 and Figure 4, for making uniform flow orifice 1 can better be arranged on feed tube interface 2 places, just need to consider the specifications design of the plate body 11 of uniform flow orifice 1.Because feed tube interface 2 is borehole structures, therefore uniform flow orifice 1 can be designed to cylindrical structural, to be better arranged on feed tube interface 2 places; If plate body 11 external diameters of uniform flow orifice 1 are excessive simultaneously, can make uniform flow orifice 1 can not be placed in the feed tube interface 2 of heat exchanger, plate body 11 external diameters of uniform flow orifice 1 are too small, uniform flow orifice 1 can move or misplace at feed tube interface 2 places, and when affecting refrigerant and entering feed tube interface 2 the sudden contraction sudden expansion process of process, and then the refrigerant fluid well-distributing that enters heat exchanger is affected, the final performance that affects heat exchanger, therefore the external diameter of the plate body 11 of uniform flow orifice 1 will adapt with feed tube interface 2 internal diameters of heat exchanger.
Because current produced plate type heat exchanger product has multiple different model, and plate body 11 external diameters of uniform flow orifice 1 need to adapt with feed tube interface 2 internal diameters of heat exchanger, therefore, the plate body of uniform flow orifice 1 11 external diameters are designed between 6.35 millimeters～15.88 millimeters, to meet the instructions for use of plate type heat exchanger of different model.
Actual in conjunction with producing, for the plate type heat exchanger product of current main flow, for uniform flow orifice 1 can better be matched with the feed tube interface 2 of heat exchanger, determine the preferred outside diameter of uniform flow orifice 1, as shown in Figure 2 and Figure 4, the external diameter of plate body 11 is designed to 12.7 millimeters, allowance control is at-0.1～0 millimeter, can better mate the feed tube interface 2 of heat exchanger, simultaneously plate body 11 external diameters be feed tube interface 2 places of the uniform flow orifice 1 of the 12.7 millimeters plate type heat exchanger that is placed in main flow for current-sharing, can make performance the best of heat exchanger unit.Therefore as preferred, the external diameter of plate body 11 is designed to 12.7 millimeters.
When affecting refrigerant and enter feed tube interface 2 due to the diameter of through hole 12 on the plate body 11 of uniform flow orifice 1 the sudden contraction sudden expansion process of process, and then affect the uniformity of refrigerant mixed flow, therefore the design of the diameter of through hole 12 just needs strict consideration, by experiment after checking, when plate body 11 external diameters of uniform flow orifice 1 are 12.7 millimeters, the diameter of through hole 12 is designed between 4.5 millimeters～5.5 millimeters, the refrigerant fluid mixing that can make finally to enter heat exchanger is even, and then makes the performance of heat exchanger unit better.
Concrete, by continuous verification experimental verification, plate body 11 external diameters of the uniform flow orifice 1 using for the plate type heat exchanger product of current main flow are 12.7 millimeters, determine the optimum diameter of through hole 12 on uniform flow orifice 1 plate body 11, as shown in Figure 3 and Figure 4, the diameter of through hole 12 is designed to 5 millimeters, allowance control is at-0.1～0.1 millimeter, with guarantee refrigerant fluid when the uniform flow orifice 1 the sudden contraction sudden expansion process of process more stable, experimental result shows, on plate body 11, the diameter of through hole 12 is that the uniform flow orifice 1 of 5 millimeters is placed in behind feed tube interface 2 places of plate type heat exchanger for current-sharing, can make ability the best of heat exchanger unit.Therefore as preferred, plate body 11 external diameters are the uniform flow orifice 1 of 12.7 millimeters, and on its plate body 11, the diameter of through hole 12 is designed to 5 millimeters.In addition, in the time that the external diameter of plate body is 6.35 millimeters, the diameter of through hole 12 is designed to 3 millimeters, and in the time that plate body 11 external diameters are 15.88 millimeters, the diameter of through hole 12 is designed to 7 millimeters, and the refrigerant fluid mixing that all can make finally to enter plate type heat exchanger is more even.
By continuous verification experimental verification, also determined the optimum thickness of uniform flow orifice 1 plate body 11, as shown in Figure 3 and Figure 4, the thickness of plate body 11 is decided to be to 3 millimeters, again uniform flow orifice 1 is placed in to feed tube interface 2 places of heat exchanger for current-sharing, experimental result shows, plate body 11 thickness can make the ability of heat exchanger unit better after being decided to be feed tube interface 2 places that the uniform flow orifice 1 of 3 millimeters is placed in heat exchanger.So far, the optimum specifications of uniform flow orifice 1 has just been determined, through the unit that uses plate type heat exchanger has been carried out to multiple verification experimental verification, the result shows, the unit capacity maximum that unit capacity after the uniform flow orifice 1 of increase optimum specifications does not more add uniform flow orifice 1 can promote 10%, improve successful, uniform flow orifice 1 processing is simultaneously simple, cost is also low.
Embodiment of the present utility model also provides a kind of plate type heat exchanger, comprises feed tube interface, is equipped with the uniform flow orifice described in above-mentioned arbitrary embodiment in described feed tube interface.
Because the heat exchanger uniform flow orifice providing in each embodiment of the heat exchanger using in the present embodiment plate type heat exchanger with uniform flow orifice and above-mentioned heat exchanger uniform flow orifice is identical, therefore the two can solve identical technical problem, and reaches identical Expected Results.
Form and wait by those skilled in the art is known about other of the plate type heat exchanger of the utility model embodiment, no longer describe in detail at this.
In the description of this description, specific features, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (8)
1. a heat exchanger uniform flow orifice, is characterized in that, comprises plate body, and described plate body middle part offers through hole, and the diameter of described through hole is less than the feed tube interface internal diameter of heat exchanger.
2. uniform flow orifice according to claim 1, is characterized in that, described plate body is cylindrical structural, and the feed tube interface internal diameter of the external diameter of described plate body and described heat exchanger adapts.
3. uniform flow orifice according to claim 2, is characterized in that, the external diameter of described plate body is 6.35 millimeters～15.88 millimeters.
4. uniform flow orifice according to claim 3, is characterized in that, the external diameter of described plate body is 12.7 millimeters.
5. uniform flow orifice according to claim 4, is characterized in that, the diameter of described through hole is 4.5 millimeters～5.5 millimeters.
6. uniform flow orifice according to claim 5, is characterized in that, the diameter of described through hole is 5 millimeters.
7. uniform flow orifice according to claim 6, is characterized in that, the thickness of described plate body is 3 millimeters.
8. a plate type heat exchanger, comprises feed tube interface, it is characterized in that, is equipped with the uniform flow orifice described in any one in claim 1～7 in described feed tube interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244281.0U CN203928850U (en) | 2014-05-13 | 2014-05-13 | A kind of heat exchanger uniform flow orifice and plate type heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420244281.0U CN203928850U (en) | 2014-05-13 | 2014-05-13 | A kind of heat exchanger uniform flow orifice and plate type heat exchanger |
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| CN203928850U true CN203928850U (en) | 2014-11-05 |
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| CN201420244281.0U Expired - Lifetime CN203928850U (en) | 2014-05-13 | 2014-05-13 | A kind of heat exchanger uniform flow orifice and plate type heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885396A (en) * | 2015-12-15 | 2017-06-23 | 丹佛斯微通道换热器（嘉兴）有限公司 | Entrance rectifier structure and plate type heat exchanger |
-
2014
- 2014-05-13 CN CN201420244281.0U patent/CN203928850U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885396A (en) * | 2015-12-15 | 2017-06-23 | 丹佛斯微通道换热器（嘉兴）有限公司 | Entrance rectifier structure and plate type heat exchanger |
| CN106885396B (en) * | 2015-12-15 | 2019-07-19 | 丹佛斯微通道换热器（嘉兴）有限公司 | Entrance rectifier structure and plate heat exchanger |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20141105 |