CN103471448A - Fluid distributor - Google Patents
Fluid distributor Download PDFInfo
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- CN103471448A CN103471448A CN2013104163906A CN201310416390A CN103471448A CN 103471448 A CN103471448 A CN 103471448A CN 2013104163906 A CN2013104163906 A CN 2013104163906A CN 201310416390 A CN201310416390 A CN 201310416390A CN 103471448 A CN103471448 A CN 103471448A
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- distributing pipe
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- fluid distributor
- shunt cylinder
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Abstract
The invention discloses a fluid distributor and belongs to the technical field of fluid distribution of a heat transferring system. The fluid distributor comprises a distribution pipe (1) with an open end and a closed end. A plurality of flow turbulence holes (11) are formed on the pipe wall of the distribution pipe (1), at least one layer of distribution barrels (2) is covered outside the distribution pipe (1), a plurality of distribution holes (21) are spread on the distribution barrels (2), and hole diameter of the distribution holes (21) is between 0.1 mm (millimeter) and 1mm. by the aid of the fluid distributor, the technical problem of unevenness in fluid distribution of existing fluid distributors is solved.
Description
Technical field
The invention belongs to the heat-exchange system field, particularly the higher fluid distributor of a kind of heat exchange efficiency.
Background technology
The two-phase fluid maldistribution is the main cause that causes heat exchanger heat-transfer performance sharply to descend, and at plate-fin heat exchanger two phase flow entrance, distributor being set is a kind of engineering method that improves partition characteristic widely adopted.And existing plate type heat exchanger, particularly large thicker plate type heat exchanger cause the inhomogeneous situation of assignment of traffic comparatively serious because dispenser designs is unreasonable.This is because the fluid flow velocity when just entering plate type heat exchanger in supervisor is larger, pass through rapidly intake section, the fluid flow that causes the heat exchanger plates place of intake section to distribute is less, most fluid all accumulates in the inside of plate type heat exchanger, thereby make the mass flow discrepancy weighing apparatus entered between each plate, and then cause heat exchange insufficient, affect the operation of whole air-conditioning system.
For solving the problems of the technologies described above, Chinese patent document CN101008560 discloses a kind of fluid distributor, this distributor is arranged at the part that the fluid main line is combined with each bye-pass, the main body that distributor is tubulose, the some through holes of moulding on the sidewall of tubular body, it produces the flow-disturbing effect by a plurality of through holes are set, and can realize the effect of the dispense flow rate of equilibrium distributor.But, due to heat exchanging fluid gas-liquid mixed refrigerant normally, the relative liquid flow velocity of gas is very fast, causes gas at first to enter in heat exchanger fin by through hole, visible, the fluid distributed uniform degree of above-mentioned distributor still has much room for improvement.
Summary of the invention
For this reason, technical problem to be solved by this invention is to provide a kind of fluid distributed uniform degree higher distributor.
For solving the problems of the technologies described above, a kind of fluid distributor of the present invention, it comprises, the distributing pipe of one end opening one end sealing, form some flow-disturbings hole on the tube wall of described distributing pipe, the outside of described distributing pipe coats at least one deck shunt cylinder, spreads all on described shunt cylinder some tap holes are arranged, and the aperture of described tap hole is between 0.1-1mm.
Described shunt cylinder is flexible screen pack, and the mesh aperture of described screen pack is 0.2-0.5mm.
Described shunt cylinder is made by sheet metal, the described tap hole that on described sheet metal, the some apertures of moulding are 0.5-1mm.
The described distributing pipe outside is coated with the described shunt cylinder of some layers.
Described distributing pipe top is divided and is coated with described shunt cylinder, and described shunt cylinder is positioned at the surface in described flow-disturbing hole, and described flow-disturbing hole is coated fully.
Described distributing pipe top is divided and is coated with described shunt cylinder, and described shunt cylinder is positioned at the surface in the described flow-disturbing of part hole.
Along described distributing pipe open side to described distributing pipe closed side, the distribution density in described flow-disturbing hole reduces gradually.
The total sectional area in described flow-disturbing hole is greater than the sectional area of described distributing pipe.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) coat at least one deck shunt cylinder on distributor of the present invention on the distributing pipe with flow-disturbing hole again, spread all on shunt cylinder some tap holes are arranged, the aperture of tap hole is between 0.1-1mm.Gas-liquid two-phase refrigerant fluid under the flow-disturbing effect in the flow-disturbing hole of distributing pipe, the balanced flow that enters each branch road from distributing pipe; And, under the effect of the tap hole on shunt cylinder, air pocket is carried out to fragmentation, make the fluid that enters branch road more even.
(2) shunt cylinder on distributor of the present invention is selected the screen pack that aperture is 0.1-1mm, and it is simple in structure, and installation cost is lower, and can realize the effect of current-sharing.
(3) shunt cylinder on distributor of the present invention can select full clad type also can select the part clad type according to the actual flow distribution requirements, and part coats soon shunt cylinder and partly is coated on the flow-disturbing hole of distributing pipe.
The accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is fluid distributor structural representation of the present invention;
Fig. 2 is the board-like shunt cylinder structural representation of metal foil of the present invention;
Fig. 3 is the shunt cylinder structural representation of filter screen type of the present invention.
In figure, Reference numeral is expressed as: 1-distributing pipe, 11-flow-disturbing hole, 2-shunt cylinder, 21-tap hole.
The specific embodiment
Below with reference to accompanying drawing, use following examples to be further elaborated the present invention.
Fig. 1 is a kind of fluid distributor disclosed by the invention, and it comprises, the distributing pipe 1 of end opening one an end sealing, and wherein, described openend is fluid intake; Form some flow-disturbings hole 11 on the tube wall of described distributing pipe 1, distribute rationally to reach distribution according to need for equalizing system, prevent that the flow of entrance side branch road is few, middle flow is many; The outside of described distributing pipe 1 coats at least one deck shunt cylinder 2, spreads all on described shunt cylinder 2 some tap holes 21 are arranged, and the aperture of described tap hole 21 is between 0.1-1mm.Under the effect of tap hole, air pocket is broken into the minute bubbles consistent with the tap hole pore size, and the fluid that makes to enter branch road is more even.
As shown in Figure 2, described shunt cylinder 2 is made by sheet metal, the described tap hole 21 that on described sheet metal, the some apertures of moulding are 0.5-1mm.
As shown in Figure 3, described shunt cylinder 2 can also be flexible screen pack, and the mesh aperture of described screen pack is 0.2-0.5mm.
Tricklelyer broken, preferred for the gaseous fluid that makes to enter branch road, described distributing pipe 1 outside is coated with to the described shunt cylinder 2 of some layers, as wraps up screen pack as described in some layers, it,, through the filtration of multiple filtration net, can make bubble breaking obtain more carefully more even.
In the present invention, on described distributing pipe 1, can wholely be coated with described shunt cylinder 2, also can partly be coated with described shunt cylinder 2, described shunt cylinder 2 is positioned on the described flow-disturbing hole 11 of described distributing pipe 1, and described flow-disturbing hole 11 is coated fully.
In other embodiments, can also select prize shunt cylinder 2 parts to be coated on described distributing pipe 1 according to assignment of traffic, and select the described flow-disturbing of covered section hole 11.
In order to strengthen the flow-disturbing effect, along described distributing pipe 1 open side to described distributing pipe 1 closed side, the distribution density in described flow-disturbing hole 11 reduces gradually.Like this, under at the fluid of entrance side, the flow-disturbing hole 11 larger in density acts on, the flow that is dispensed to branch road improves.In addition, can also be set to be greater than the sectional area of described distributing pipe 1 by the total sectional area in described flow-disturbing hole 11, can make so above-mentioned flow-disturbing hole 11 in carrying out the process that fluid redistributes, can not produce excessive resistance.In addition, by adjusting the shape in described flow-disturbing hole 11, and the shape of distributor, control dispenser is in the assignment of traffic of different branch.
In heat-exchanger rig, the fluid after above-mentioned fluid distributor flows to identical with another kind of heat exchanging fluid.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (8)
1. a fluid distributor, it comprises, the distributing pipe (1) of one end opening one end sealing, form some flow-disturbings hole (11) on the tube wall of described distributing pipe (1), it is characterized in that: the outside of described distributing pipe (1) coats at least one deck shunt cylinder (2), spread all on described shunt cylinder (2) some tap holes (21) are arranged, the aperture of described tap hole (21) is between 0.1-1mm.
2. fluid distributor according to claim 1, it is characterized in that: described shunt cylinder (2) is flexible screen pack, and the mesh aperture of described screen pack is 0.2-0.5mm.
3. fluid distributor according to claim 1, it is characterized in that: described shunt cylinder (2) is made by sheet metal, the described tap hole (21) that on described sheet metal, the some apertures of moulding are 0.5-1mm.
4. according to the arbitrary described fluid distributor of claim 1-3, it is characterized in that: described distributing pipe (1) outside is coated with some layer described shunt cylinders (2).
5. according to the arbitrary described fluid distributor of claim 1-3, it is characterized in that: described distributing pipe (1) top is divided and is coated with described shunt cylinder (2), described shunt cylinder (2) is positioned at the surface in described flow-disturbing hole (11), and described flow-disturbing hole (11) is coated fully.
6. according to the arbitrary described fluid distributor of claim 1-3, it is characterized in that: described distributing pipe (1) top is divided and is coated with described shunt cylinder (2), and described shunt cylinder (2) is positioned at the surface in the described flow-disturbing of part hole (11).
7. fluid distributor according to claim 6 is characterized in that: along described distributing pipe (1) open side to described distributing pipe (1) closed side, the distribution density in described flow-disturbing hole (11) reduces gradually.
8. fluid distributor according to claim 7, it is characterized in that: the total sectional area in described flow-disturbing hole (11) is greater than the sectional area of described distributing pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416390.6A CN103471448B (en) | 2013-09-13 | 2013-09-13 | A kind of fluid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416390.6A CN103471448B (en) | 2013-09-13 | 2013-09-13 | A kind of fluid distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103471448A true CN103471448A (en) | 2013-12-25 |
| CN103471448B CN103471448B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416390.6A Active CN103471448B (en) | 2013-09-13 | 2013-09-13 | A kind of fluid distributor |
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| Country | Link |
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| CN (1) | CN103471448B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131982A (en) * | 2018-01-30 | 2018-06-08 | 江苏唯益换热器股份有限公司 | A kind of fluid distributor using foam metal and the plate heat exchanger containing it |
| CN109185571A (en) * | 2018-09-28 | 2019-01-11 | 肖家伟 | A kind of equal press liquid current divider of multilayer |
| CN109210970A (en) * | 2017-07-06 | 2019-01-15 | 马勒国际有限公司 | The bushing pipe into channel for heat-exchangers of the plate type |
| CN112013709A (en) * | 2019-05-31 | 2020-12-01 | 浙江三花智能控制股份有限公司 | Distribution pipe and heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040050537A1 (en) * | 2002-09-14 | 2004-03-18 | Samsung Electronics Co., Ltd. | Heat exchanger |
| JP2004278935A (en) * | 2003-03-17 | 2004-10-07 | Calsonic Kansei Corp | Evaporator |
| CN101762201A (en) * | 2010-01-05 | 2010-06-30 | 华北电力大学 | Flute-shaped current equalizer applied for uniformly distributing two-phase flow of header branch pipe |
| CN202793152U (en) * | 2012-08-03 | 2013-03-13 | 苏州必信空调有限公司 | Fluid dispensing device |
| CN203132412U (en) * | 2013-03-19 | 2013-08-14 | 杭州三花微通道换热器有限公司 | Heat exchanger and distribution component thereof |
| CN203489775U (en) * | 2013-09-13 | 2014-03-19 | 苏州必信空调有限公司 | Fluid distributor |
-
2013
- 2013-09-13 CN CN201310416390.6A patent/CN103471448B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040050537A1 (en) * | 2002-09-14 | 2004-03-18 | Samsung Electronics Co., Ltd. | Heat exchanger |
| JP2004278935A (en) * | 2003-03-17 | 2004-10-07 | Calsonic Kansei Corp | Evaporator |
| CN101762201A (en) * | 2010-01-05 | 2010-06-30 | 华北电力大学 | Flute-shaped current equalizer applied for uniformly distributing two-phase flow of header branch pipe |
| CN202793152U (en) * | 2012-08-03 | 2013-03-13 | 苏州必信空调有限公司 | Fluid dispensing device |
| CN203132412U (en) * | 2013-03-19 | 2013-08-14 | 杭州三花微通道换热器有限公司 | Heat exchanger and distribution component thereof |
| CN203489775U (en) * | 2013-09-13 | 2014-03-19 | 苏州必信空调有限公司 | Fluid distributor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210970A (en) * | 2017-07-06 | 2019-01-15 | 马勒国际有限公司 | The bushing pipe into channel for heat-exchangers of the plate type |
| CN108131982A (en) * | 2018-01-30 | 2018-06-08 | 江苏唯益换热器股份有限公司 | A kind of fluid distributor using foam metal and the plate heat exchanger containing it |
| CN108131982B (en) * | 2018-01-30 | 2023-11-03 | 江苏唯益换热器有限公司 | Fluid distributor using foam metal and plate heat exchanger comprising same |
| CN109185571A (en) * | 2018-09-28 | 2019-01-11 | 肖家伟 | A kind of equal press liquid current divider of multilayer |
| CN112013709A (en) * | 2019-05-31 | 2020-12-01 | 浙江三花智能控制股份有限公司 | Distribution pipe and heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103471448B (en) | 2015-12-30 |
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Address after: 215000 No.158 Jinshajiang Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Bixin energy technology (Suzhou) Co.,Ltd. Address before: 215002 plant 11, No. 158, Jinshajiang Road, high tech Zone, Suzhou, Jiangsu Province Patentee before: SUZHOU BSE AIR CONDITIONER Co.,Ltd. |