CN203489775U - Fluid distributor - Google Patents
Fluid distributor Download PDFInfo
- Publication number
- CN203489775U CN203489775U CN201320567674.0U CN201320567674U CN203489775U CN 203489775 U CN203489775 U CN 203489775U CN 201320567674 U CN201320567674 U CN 201320567674U CN 203489775 U CN203489775 U CN 203489775U
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- Prior art keywords
- distributing pipe
- fluid distributor
- flow
- shunt cylinder
- hole
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Abstract
The utility model discloses a fluid distributor, and belongs to the technical field of fluid distribution in heat exchange systems. The fluid distributor comprises a distributing pipe (1), wherein one end of the distributing pipe (1) is opened, and one end of the distributing pipe (1) is sealed, a plurality of flow disturbing holes (11) are formed in the pipe wall of the distributing pipe (1), at least one layer of distributing barrel (2) wraps the outer side of the distributing pipe (1), a plurality of distributing holes (21) are fully distributed on the distributing barrel (2), and the hole diameter of the distributing holes (21) is 0.1-1mm. The fluid distributor solves the technical problem that an existing fluid distributor is uneven in fluid distribution.
Description
Technical field
The utility model belongs to heat-exchange system field, particularly the higher fluid distributor of a kind of heat exchange efficiency.
Background technology
Two-phase fluid maldistribution is the main cause that causes heat exchanger heat-transfer performance sharply to decline, and at plate-fin heat exchanger two phase flow entrance, distributor being set is a kind of engineering method that improves partition characteristic widely adopting.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 to enter the mass flow discrepancy weighing apparatus 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 fluid main line is combined with each bye-pass, distributor is the main body of tubulose, the some through holes of moulding on the sidewall of tubular body, it produces 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 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.
Utility model content
For this reason, technical problem to be solved in the utility model 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 utility model, it comprises, the distributing pipe of one end opening one end sealing, on the tube wall of described distributing pipe, form some flow-disturbings hole, the coated at least one deck shunt cylinder in the outside of described distributing pipe, spreads all on described shunt cylinder that to have some tap holes, the aperture of described tap hole be 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.
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, completely coated to described flow-disturbing hole.
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 utility model has the following advantages compared to existing technology:
(1) on distributor of the present utility model, on the distributing pipe with flow-disturbing hole, be coated at least one deck shunt cylinder again, spread all over and have some tap holes on shunt cylinder, 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 tap hole on shunt cylinder, air pocket being carried out to fragmentation, the fluid that makes to enter branch road is more even.
(2) to select aperture be the screen pack of 0.1-1mm to the shunt cylinder on distributor of the present utility model, 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 utility model can select full clad type also can select part clad type according to actual flow distribution requirements, and the coated shunt cylinder that is about to of part is partly coated on the flow-disturbing hole of distributing pipe.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is fluid distributor structural representation of the present utility model;
Fig. 2 is the board-like shunt cylinder structural representation of metal foil of the present utility model;
Fig. 3 is the shunt cylinder structural representation of filter screen type of the present utility model.
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 utility model.
Fig. 1 is the disclosed a kind of fluid distributor of the utility model, and it comprises, the distributing pipe 1 of end opening one end sealing, and wherein, described openend is fluid intake; On the tube wall of described distributing pipe 1, form some flow-disturbings hole 11, for equalizing system, to reach distribution according to need, distribute rationally, prevent that the flow of entrance side branch road is few, middle flow is many; The coated at least one deck shunt cylinder 2 in outside of described distributing pipe 1, spreads all on described shunt cylinder 2 and has some tap holes 21, 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 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 in order to make to enter the gaseous fluid of branch road, described distributing pipe 1 outside is coated with to the described shunt cylinder 2 of some layers, as wraps up the described screen pack of some layers, the filtration of its process multiple filtration net, can make bubble breaking obtain more carefully more even.
In the utility model, 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 completely coated.
In other embodiments, can also select prize shunt cylinder 2 parts be coated on described distributing pipe 1 according to assignment of traffic, and select flow-disturbing hole 11 described in covered section.
In order to strengthen 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, at the fluid of entrance side, under larger flow-disturbing hole 11 effects of density, the flow that is dispensed to branch road improves.In addition, can also by the total sectional area in described flow-disturbing hole 11, be set to be greater than the sectional area of described distributing pipe 1, 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 is clearly described, and the not 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, on the tube wall of described distributing pipe (1), form some flow-disturbings hole (11), it is characterized in that: the coated at least one deck shunt cylinder (2) in outside of described distributing pipe (1), on described shunt cylinder (2), spread all over and have some tap holes (21), the aperture of described tap hole (21) is between 0.1-1mm.
2. fluid distributor according to claim 1, 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, 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), completely coated to described flow-disturbing hole (11).
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, 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 |
|---|---|---|---|
| CN201320567674.0U CN203489775U (en) | 2013-09-13 | 2013-09-13 | Fluid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567674.0U CN203489775U (en) | 2013-09-13 | 2013-09-13 | Fluid distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203489775U true CN203489775U (en) | 2014-03-19 |
Family
ID=50260599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567674.0U Withdrawn - After Issue CN203489775U (en) | 2013-09-13 | 2013-09-13 | Fluid distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203489775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471448A (en) * | 2013-09-13 | 2013-12-25 | 苏州必信空调有限公司 | Fluid distributor |
-
2013
- 2013-09-13 CN CN201320567674.0U patent/CN203489775U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471448A (en) * | 2013-09-13 | 2013-12-25 | 苏州必信空调有限公司 | Fluid distributor |
| CN103471448B (en) * | 2013-09-13 | 2015-12-30 | 苏州必信空调有限公司 | A kind of fluid distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20151230 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |