CN101858706B - Liquid separating device - Google Patents
Liquid separating device Download PDFInfo
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- CN101858706B CN101858706B CN2010102147905A CN201010214790A CN101858706B CN 101858706 B CN101858706 B CN 101858706B CN 2010102147905 A CN2010102147905 A CN 2010102147905A CN 201010214790 A CN201010214790 A CN 201010214790A CN 101858706 B CN101858706 B CN 101858706B
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Abstract
The invention relates to a liquid separating device which comprises a heat exchange part and liquid separators arranged at the two ends of the heat exchange part, wherein the liquid separator which is at least arranged at the inlet end of the liquid separating device is arranged in a horizontal way. The liquid separating device solves the technical problem that a refrigerant shunt of the liquid separating device in the prior art leads the flow velocity of refrigerant flowing out from a drain pipe to be averaged, but can not well lead the flow rate of the refrigerant flowing out from the drain pipe to be averaged, so that the heat exchange efficiency of the liquid separating device can be influenced, and the invention further provides the liquid separating device which not only can average the flow velocity of the refrigerant flowing out from the drain pipe, but also can average the flow rate of the refrigerant flowing out from the drain pipe.
Description
Technical field
The present invention relates to a kind of air supply rate, specifically a kind of liquid distributing device.
Background technology
Traditional air-conditioning refrigeration system constitutes circulation by compressor-condenser-throttling arrangement-evaporimeter; But to close-coupled aerial cooler and the tubular heat exchanger of power greater than 1Kw; All adopt the form of multichannel coil pipe parallel connection, must keep being assigned to the cold-producing medium equivalent in the every coil pipe, and flow velocity is consistent; Pressure is reduced in certain scope, to reach best heat exchange effect.From the refrigerant biphase gas and liquid flow that throttling arrangement comes out, be generally the flow pattern of bubble stream or bulk stream, so need a distributing equipment, fully mix the gas-liquid two-phase refrigerant, being assigned in each road coil pipe of equivalent gone again, and this equipment is liquid cyclone or knockout.General current divider is installed between throttling arrangement and the evaporimeter, guarantees to that is to say that the mixing quality of knockout has determined the heat exchange efficiency of liquid distributing device in each coil pipe that gas-liquid two-phase mixes, ana is assigned to liquid distributing device of refrigerant.But there was the problem of gas-liquid separation in refrigerant in the prior art before getting into liquid distributing device, can not equivalent be assigned to uniformly in the every coil pipe and went thereby get into refrigerant in the liquid distributing device through current divider, influenced the heat exchange effect of liquid distributing device.
In order to solve the problems of the technologies described above, Japan Patent is put down 3-195873, and open day is on August 27th, 1991, discloses a kind of coolant distribution device, and said coolant distribution device comprises ducted body; Ducted body is provided with a plurality of effusers successively along long side direction; Inflow pipe is arranged in the said ducted body and in the middle of the hollow end of body and inserts; Said inflow pipe along gravity direction from top to bottom in order size be provided with the outflow cave that reduces successively.
The device of coolant distribution described in the prior art is vertically placed, be arranged at before the evaporimeter, through along gravity direction from top to bottom in order size be provided with flow velocity and the flow that the outflow cave that reduces successively changes the refrigerant that from flow out the cave, flows out; Promptly the refrigerant flow rate of top is low but flow is big, the refrigerant flow rate height of below but flow is little, thereby the average refrigerant flow rate that flows out from effuser; Though can partly solve the problem of gas-liquid separation; But refrigerant is after being full of whole ducted body, because the existence of gravity, the gas-liquid two-phase of refrigerant still has separation in various degree; The refrigerant gas phase content that flows out in the effuser above also being is more; And the cooling medium liquid phase content that flows out in the effuser of below is more, also just says, and the coolant distribution device of prior art still can not the fine average cold medium flux that from effuser, flows out; Thereby the gas-liquid ratio content that gets into the refrigerant in each coil pipe is inconsistent, thereby influences the heat exchange efficiency of liquid distributing device.
In addition, the device of coolant distribution described in the prior art is because axially dislocation distance is too short; Be not able to do in time to mix once more for the refrigerant that gas-liquid separation takes place; Just flow out from effuser, gas-liquid mixed is insufficient, thereby influences the heat exchange efficiency of liquid distributing device.
Summary of the invention
For this reason; Though technical problem to be solved by this invention is the flow velocity that the coolant distribution device in the liquid distributing device can on average flow out from effuser in the prior art; The cold medium flux that still can not be fine on average from effuser, flows out; Influence the heat exchange efficiency of liquid distributing device, and then a kind of flow velocity that contains the refrigerant that can be on average flows out from effuser, the liquid distributing device of the flow knockout of the refrigerant that can on average from effuser, flow out again are provided.
Though another technical problem to be solved by this invention is that the coolant distribution device in the liquid distributing device can partly solve the problem of gas-liquid separation in the prior art; But the effect for its solution of refrigerant that gas-liquid separation takes place is not remarkable, and then a kind of liquid distributing device that contains the knockout that can mix once more refrigerant is provided.
For solving the problems of the technologies described above, a kind of liquid distributing device of the present invention comprises heat exchanger components and is arranged on the knockout at said heat exchanger components two ends that the said knockout that is arranged on said liquid distributing device upstream end at least is a horizontal positioned.
Said heat exchanger components is a coil pipe.
Said knockout comprises the hollow columnar outer tube, and said outer tube is provided with some outer tube tap holes successively along long side direction, with the said outer tube tap hole effuser that connected one to one; Inflow pipe is arranged in the said outer tube and the long side direction of the said outer tube in edge extends to the said outer tube other end from said outer tube one end insertion, and said inflow pipe is provided with several cloth discharge orifices along the long side direction of said inflow pipe.
Around the direction of rotation of said outer tube axial line, has angle between the axial line of the axial line of said effuser and said cloth discharge orifice.
Said cloth discharge orifice is positioned at the below of said effuser axial line.
Preferred said angle is 60 degree.
Said inflow pipe and said outer tube all are cylindric, and the axial line of said inflow pipe does not overlap with the axial line of said outer tube.
Said outer tube tap hole is a shoulder hole.
The wall unevenness of said outer tube is even, and it is thick that said shoulder hole one side is set, and a side relative with said shoulder hole is thin.
Technique scheme of the present invention is compared prior art and is had the following advantages,
1) in liquid distributing device according to the invention; Said knockout is a horizontal positioned; Refrigerant flows into liquid distributing device from the effuser branch after arriving each cloth discharge orifice simultaneously simultaneously, and the refrigerant in the knockout need not overcome very big gravity and just can flow out very smoothly, so the gas-liquid two-phase in the refrigerant also has little time to separate in each pipeline that just has been assigned to liquid distributing device and gone; That is to say; The ratio that flows into the refrigerant gas-liquid in each pipeline in the liquid distributing device is consistent, and mixing is uniformly, thereby makes the heat exchange efficiency of liquid distributing device be improved.
2) in the liquid distributing device according to the invention; Around the direction of rotation of said outer tube axial line, have angle between the axial line of the axial line of said effuser and said cloth discharge orifice, also promptly see from inflow pipe and the same cross section of outer tube; Has certain included angle between the axial line of said cloth discharge orifice and the axial line of said effuser; The refrigerant of being convenient to from the cloth discharge orifice, flow out forms eddy current, makes gas-liquid two-phase carry out secondary and mixes, and can more evenly flow out; Preferred said angle is 60 degree among the present invention, in outer tube, forms more easily after refrigerant flows out from the cloth discharge orifice to be dispensed in the liquid distributing device from effuser rapidly after eddy current mixes once more.
3) in the liquid distributing device according to the invention; Said cloth discharge orifice is positioned at the below of said effuser axial line; Refrigerant gets in the space of inflow pipe outer wall and the formation of said outer tube wall, and refrigerant flows out from the cloth discharge orifice has a downward impulse force, and refrigerant forms eddy flow in the space of inflow pipe outer wall and the formation of said outer tube wall; Again the gas-liquid two-phase in the refrigerant is fully mixed the back and flow out, further improved the heat exchange efficiency of liquid distributing device from effuser.
4) in the liquid distributing device according to the invention; Said inflow pipe and said outer tube all are cylindric, and the axial line of said inflow pipe do not overlap with the axial line of said outer tube, also promptly see from inflow pipe and the same cross section of outer tube; Inflow pipe is eccentric the setting than outer tube; Space in the outer tube is provided with the big little asymmetric space of formation on one side on one side because of the off-centre of inflow pipe, flows out more difficult formation dead angle from effuser one side eddy current flows out the easy back of fully mixing big in the space, back from the cloth discharge orifice of inflow pipe; And can not flow simultaneously, thereby avoided flowing out before the possibility of gas-liquid separation once more away from said effuser refrigerant on one side to both sides.
5) in the liquid distributing device according to the invention, said outer tube tap hole is a shoulder hole, even be installed in the knockout of the liquid distributing device port of export, refrigerant also can flow out through inflow pipe from the effuser inflow of outer tube easily.
6) in the liquid distributing device according to the invention, the wall unevenness of said outer tube is even, and it is thick that said shoulder hole one side is set, and a side relative with said shoulder hole is thin, satisfying the use that reduces material when shoulder hole is set, can effectively reduce production costs.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is a liquid distributing device sketch map according to the invention;
Fig. 2 is a knockout sketch map in the liquid distributing device according to the invention;
Fig. 3 a is an A-A cutaway view among Fig. 2;
Fig. 3 b is an A-A cutaway view among Fig. 2 that inflow pipe off-centre is provided with and said outer tube is interior in the liquid distributing device according to the invention;
Fig. 3 c is an A-A cutaway view among the inconsistent Fig. 2 of outer tube wall thickness described in the liquid distributing device according to the invention.
Reference numeral is expressed as among the figure: 1-inflow pipe, 11-cloth discharge orifice, 2-outer tube, 21-outer tube tap hole, 3-outer tube wall space, 4-effuser, α-angle, 5-heat exchanger components.
The specific embodiment
Be illustrated in figure 1 as liquid distributing device according to the invention, comprise heat exchanger components 5 and be arranged on the knockout at heat exchanger components 5 two ends, the said knockout that is arranged on said liquid distributing device upstream end is a horizontal positioned.Said heat exchanger components 5 is set in the present embodiment is coil pipe, said knockout comprises hollow columnar outer tube 2, and said outer tube 2 is provided with some outer tube tap holes 21 successively along long side direction, with said outer tube tap hole 21 effuser 4 that connected one to one; Inflow pipe 1 is arranged in the said outer tube 2 and the long side direction of the said outer tube 2 in edge extends to said outer tube 2 other ends from said outer tube 2 one ends insertion, and said inflow pipe 1 is provided with several cloth discharge orifices 11 (seeing shown in Figure 2) along the long side direction of said inflow pipe 1.
In addition, as disposable embodiment, the present invention also can be arranged on said liquid distributing device upstream end and outflow end on the basis of the foregoing description said knockout all is a horizontal positioned.
During use; Refrigerant carries out separatory through knockout earlier, because the knockout horizontal positioned, therefore; Refrigerant is being not need the extra gravity that overcomes through knockout; Avoid refrigerant the phenomenon of gas-liquid separation in overcoming the process of gravity, to occur, thereby make the refrigerant that gets into liquid distributing device mix, heat exchange efficiency improves greatly.
See along the refrigerant inflow direction; The direction that is rotated counterclockwise around said outer tube 2 axial lines; Have angle between the axial line of the axial line of said effuser 4 and said cloth discharge orifice 11, also promptly see to have certain included angle α between the axial line of the axial line of said cloth discharge orifice 11 and said effuser 4 from inflow pipe 1 and outer tube 2 same cross sections; The refrigerant of being convenient to from cloth discharge orifice 11, flow out forms eddy current; Make gas-liquid two-phase carry out secondary and mix, can more evenly flow out that it is 0.1 degree (seeing shown in Fig. 3 a) that said angle is set in the present embodiment.
Further, the present invention also can replace with in the present embodiment along the refrigerant inflow direction and see on the basis of the foregoing description; Dextrorotation veer around said outer tube 2 axial lines; Said angle is 60 degree, and said cloth discharge orifice 11 is positioned at the below of said effuser 4 axial lines, and it all is cylindric with said outer tube 2 that said inflow pipe 1 is set; The axial line of said inflow pipe 1 does not overlap with the axial line of said outer tube 2; See from inflow pipe 1 and outer tube 2 same cross sections promptly that also inflow pipe 1 is eccentric settings than outer tube 2, outer tube wall space 3 is provided with the big little asymmetric space of formation on one side on one side because of the off-centre of inflow pipe 1; Flow out from effuser 4 after fully mixed on big one side in the space easily after eddy current flowed out from the cloth discharge orifice 11 of inflow pipe 1; More difficult formation dead angle, and can not flow simultaneously to both sides, thereby avoided flowing out before the possibility (seeing shown in Fig. 3 b) of gas-liquid separation once more away from said effuser 4 refrigerant on one side.
In addition, said outer tube tap hole 21 also can be set be shoulder hole, be beneficial to output at liquid distributing device output gas phase or liquid phase refrigerant.Further; The wall unevenness that said outer tube 2 also can be set is even; It is thick that said shoulder hole one side is set, and a side relative with said shoulder hole is thin, satisfying the use that reduces material when shoulder hole is set; Can effectively reduce production costs (seeing shown in Fig. 3 c), the said angle of replacement is 179.9 degree in the present embodiment.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (8)
1. liquid distributing device comprises heat exchanger components (5) and is arranged on the knockout at said heat exchanger components (5) two ends that it is characterized in that the said knockout that is arranged on said liquid distributing device upstream end at least is a horizontal positioned, said knockout comprises
Hollow columnar outer tube (2), said outer tube (2) is provided with some outer tube tap holes (21) successively along long side direction, with said outer tube tap hole (21) effuser (4) that connected one to one;
Inflow pipe (1) is arranged in the said outer tube (2) and the long side direction of the said outer tube in edge (2) extends to said outer tube (2) other end from said outer tube (2) one ends insertion, and said inflow pipe (1) is provided with several cloth discharge orifices (11) along the long side direction of said inflow pipe (1).
2. according to the said liquid distributing device of claim 1, it is characterized in that said heat exchanger components (5) is a coil pipe.
3. liquid distributing device according to claim 2 is characterized in that, around the direction of rotation of said outer tube (2) axial line, has angle (α) between the axial line of the axial line of said effuser (4) and said cloth discharge orifice (11).
4. according to the said liquid distributing device of claim 3, it is characterized in that said cloth discharge orifice (11) is positioned at the below of said effuser (4) axial line.
5. liquid distributing device according to claim 4 is characterized in that, said angle (α) is 60 degree.
6. liquid distributing device according to claim 5 is characterized in that, said inflow pipe (1) all is cylindric with said outer tube (2), and the axial line of said inflow pipe (1) does not overlap with the axial line of said outer tube (2).
7. according to the arbitrary said liquid distributing device of claim 2～6, it is characterized in that said outer tube tap hole (21) is a shoulder hole.
8. according to the said liquid distributing device of claim 7, it is characterized in that the wall unevenness of said outer tube (2) is even, it is thick that said shoulder hole one side is set, and a side relative with said shoulder hole is thin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102147905A CN101858706B (en) | 2010-07-01 | 2010-07-01 | Liquid separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102147905A CN101858706B (en) | 2010-07-01 | 2010-07-01 | Liquid separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101858706A CN101858706A (en) | 2010-10-13 |
| CN101858706B true CN101858706B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102147905A Active CN101858706B (en) | 2010-07-01 | 2010-07-01 | Liquid separating device |
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| CN (1) | CN101858706B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363732A (en) * | 2012-04-10 | 2013-10-23 | 珠海格力电器股份有限公司 | Liquid separation device and air conditioner comprising liquid separation device |
| CN107356018B (en) * | 2017-07-31 | 2023-08-08 | 珠海格力电器股份有限公司 | Air conditioning system and compressor spray control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004036703A (en) * | 2002-07-02 | 2004-02-05 | Showa Denko Kk | Fluid circulation device and air temperature type liquefied gas vaporizer |
| JP2004177041A (en) * | 2002-11-28 | 2004-06-24 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| BRPI0811928A2 (en) * | 2007-05-22 | 2014-11-25 | Behr Gmbh & Co Kg | HEAT EXCHANGER |
| CN101691981B (en) * | 2009-07-23 | 2011-12-07 | 三花丹佛斯（杭州）微通道换热器有限公司 | Multi-channel heat exchanger with improved refrigerant fluid distribution uniformity |
| CN201706953U (en) * | 2010-07-01 | 2011-01-12 | 杭州沈氏换热器有限公司 | Liquid-distributing device |
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| CN101858706A (en) | 2010-10-13 |
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Owner name: HANGZHOU SHENSHI ENERGY SAVING TECHNOLOGY CO., LTD Free format text: FORMER NAME: HANGZHOU SHENSHI HEAT EXCHANGER CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Jiande hangtou Town Industrial Zone, Hangzhou city 311612 large mouth block in Zhejiang Province Patentee after: HANGZHOU SHENSHI ENERGY CONSERVATION TECHNOLOGY CO., LTD. Address before: Jiande City, Zhejiang province 311612 large hangtou Town Industrial Park Patentee before: Hangzhou Shenshi Heat Exchanger Co., Ltd. |