CN103604258B - A kind of discharge opeing type gas-liquid separator - Google Patents
A kind of discharge opeing type gas-liquid separator Download PDFInfo
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- CN103604258B CN103604258B CN201310559632.7A CN201310559632A CN103604258B CN 103604258 B CN103604258 B CN 103604258B CN 201310559632 A CN201310559632 A CN 201310559632A CN 103604258 B CN103604258 B CN 103604258B
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Abstract
The invention discloses a kind of discharge opeing type gas-liquid separator, comprise upper shell, lower shell, separating tube, upper partition and lower partition.The top of upper shell has exhaust outlet, for discharging the gas after separation.The bottom of lower shell has leakage fluid dram, for discharging the liquid after separation.The bottom of upper shell is connected with the top seal of lower shell.In separating tube access lower shell, the first end of separating tube is straight tube, and the second end is along the bending bend pipe of lower shell inwall.Upper partition is horizontally set in upper shell, and on the surface of upper partition nearly upper shell inwall, annular is provided with some apertures or filter screen.Lower partition is horizontally set on the bottom of upper shell, and the center of lower shell is provided with opening or filter screen.And provide and a kind ofly use the spraying system of discharge opeing type gas-liquid separator and the refrigeration system of evaporator inlet gas bypass.Compare and traditional gas-liquid separator, it is high that the present invention has separative efficiency, and pressure drop is little, and gas-liquid mixture can be separated and the feature of discharging respectively.
Description
Technical field
The present invention relates to the gas-liquid separator of refrigeration air-conditioner and art of heat pumps, particularly relate to a kind of discharge opeing type gas-liquid separator.
Background technology
Gas-liquid separator is a kind of device for gas-liquid separation, and its function is: be arranged on the gateway of gas compressor for gas-liquid separation, gas phase demist after fractionation tower top cooler, the gas phase demist on various gas scrubbing tower, absorption tower etc.The method of gas-liquid separation has a lot, and such as gravitational settling, centrifugal force separate, baffling separation, filler are separated etc.The most frequently used in industry is gravity settling separation and centrifugal force separate two kinds of gas-liquid separating methods.
Gravity settling separation method is different from the density of liquid according to gas, liquid when flowing together with gas, liquid can be subject to the effect of gravity, produce a downward speed, and gas still flows towards original direction, that is liquid and gas separative tendency in gravitational field, downward liquid is attached to wall pools together and is discharged by delivery pipe.The simplicity of design of gravity settling separation method, equipment making is simple, and resistance is little, but the separative efficiency of this method is low, and equipment volume is huge, takes up room many.
Centrifugal force separate method is different from the density of liquid according to gas, and when liquid flows together with gas and vapor permeation, the centrifugal force that liquid is subject to is greater than gas, liquid has the tendency of centrifugation, liquid is attached to and is separated on wall, then is collected downwards by the effect of gravity, is discharged by delivery pipe.The separative efficiency of centrifugal force separate method wants the height of force of gravity sedimentation method for separating, and the device of volume ratio gravity sedimentation method for separating reduces a lot, and centrifugation structure can be used in pressure vessel, working stability.But be separated and meet narrow range, after exceeding gas-liquid mixture regulation flow velocity, separative efficiency will sharply decline, and resistance ratios gravity settling separation method is large.
Therefore, in order to overcome the deficiency of existing gas-liquid separator, reducing the volume of gas-liquid separator, improving separative efficiency, those skilled in the art is devoted to develop a kind of novel discharge opeing type gas-liquid separator.
Summary of the invention
The shortcomings such as because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of discharge opeing type gas-liquid separator, bigger than normal to overcome traditional gas-liquid separator volume, and the low and separation principle of separative efficiency is single.Be particularly useful for the separation of the lower gas-liquid mixture of mass dryness fraction.
For achieving the above object, the invention provides a kind of discharge opeing type gas-liquid separator, it is characterized in that, comprise upper shell, lower shell, separating tube, upper partition and lower partition;
The top of described upper shell is provided with an exhaust outlet, and described exhaust outlet is for discharging the gas gone out through described gas-liquid separator separates, and the bottom of described upper shell is opening;
The top of described lower shell is opening, and the bottom of described lower shell is provided with a bottom leakage fluid dram, the liquid that described leakage fluid dram goes out for discharging described gas-liquid separator separates;
The top of described lower shell is connected with the sealed bottom of described upper shell;
Described separating tube accesses in described lower shell at nearly described lower partition place, for inputting gas-liquid mixture in described lower shell; The first end of described separating tube is straight-run of pipe, and the second end of described separating tube is one section of bend pipe bent along described lower shell inwall;
Described upper partition is horizontally set in described upper shell, and described upper partition annular on the surface of nearly described upper shell inwall is provided with some apertures or filter screen
Described lower partition is horizontally set on the bottom of described upper shell, the center of described lower partition or be provided with opening or filter screen by paracentral position.
Further, the top of described lower shell and the bottom of described upper shell weld together, and to ensure that gas-liquid separator of the present invention is when High Rotation Speed, the shell portion of upper shell and lower shell there will not be leakage.
In a preferred embodiment of the present invention, the straight tube of described separating tube accesses in described lower shell along the tangential direction of described lower shell inwall or near-tangential direction.Because gas is different with viscosity with the density of liquid, there is first time gas-liquid separation in the gas-liquid mixture inputted by separating tube, liquid is thrown toward on the inwall away from side, lower shell center separating tube under the influence of centrifugal force.
Further, the bend pipe of described separating tube bends along the inwall of described lower shell, described bend pipe in same level, or on the hand of helix tangent with described lower shell inwall.
In a preferred embodiment of the present invention, described upper partition is a flat board.
In a preferred embodiment of the present invention, described upper partition is a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.Because upper partition is the projection had to top or bottom, such when liquid adsorption is in upper partition surface, liquid is easier to downward outflow under gravity.
In a preferred embodiment of the present invention, described lower partition is a flat board.
In a preferred embodiment of the present invention, described lower partition is a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.When inhaling attaching liq like this in lower partition, because lower partition has to top or the projection to bottom, liquid under gravity, is easy to downward outflow more.Discharge opeing type gas-liquid separator of the present invention, adopt the design with the separating tube of bend pipe, upper partition and lower partition, five gas-liquid separations are carried out: when gas-liquid mixture enters at a high speed separating tube, because gas is different with viscosity with the density of liquid, gas-liquid mixture carries out first time gas-liquid separation under the influence of centrifugal force, and the liquid after separation is thrown toward the inwall of the separating tube away from lower shell center; From the gas-liquid mixture that separating tube flows out, High Rotation Speed in the cylindrical space that lower partition and lower shell surround, under the influence of centrifugal force, there is second time gas-liquid separation in gas-liquid mixture, liquid is thrown to lower shell internal face, flows to the outlet bottom lower shell under gravity; Gas-liquid mixture after second time gas-liquid separation passes the middle perforate of lower clapboard or filter screen in the center of lower shell, flow to the center of upper spacer, slow down in the space that upper lower clapboard surrounds with upper spacer collision rift, because gas is different with viscosity with the density of liquid, the liquid carried secretly is attracted in upper partition, and third time gas-liquid separation occurs; In the space that upper partition and lower partition surround, because the gas-liquid mixture flow velocity after third time gas-liquid separation is lower, liquid is sedimentation further under gravity, is adsorbed in the internal face of upper shell, upper partition and lower partition, the 4th gas-liquid separation occurs; When gas-liquid mixture after being separated for 4th time is through the aperture in upper partition or filter screen, the liquid of entrained with is caught again, and the 5th gas-liquid separation occurs, and the gas after being finally separated is discharged by the exhaust outlet at upper shell top.
Further, present invention also offers a kind of ejector system using discharge opeing type gas-liquid separator, it is characterized in that, comprise compressor, condenser, gas-liquid separator, injector, choke valve and evaporimeter;
The delivery outlet of described compressor is connected with the input port of described condenser, the delivery outlet of described condenser is connected with the input port of described injector, the delivery outlet of described injector is connected with the separating tube of described gas-liquid separator, the exhaust outlet of described gas-liquid separator is connected with the air entry of described compressor, the leakage fluid dram of described gas-liquid separator is connected by the input port of described choke valve with described evaporimeter, and the delivery outlet of described evaporimeter is connected with the induction chamber entrance of described injector.Employ the spraying system of discharge opeing type gas-liquid separator of the present invention, significantly improve the pressure of inspiration(Pi) of system, reduce the energy consumption of compressor, effectively improve the phenomenon of evaporator inlet punishment liquid inequality simultaneously, improve the ability of evaporimeter.
Further, present invention also offers a kind of evaporator inlet gas bypass refrigeration system using discharge opeing type gas-liquid separator, it is characterized in that, comprise compressor, condenser, expansion valve, described gas-liquid separator, evaporimeter and control valve;
The delivery outlet of described compressor is connected with the input port of described condenser, the delivery outlet of described condenser is connected by described expansion valve with the separating tube of described gas-liquid separator, the leakage fluid dram of described gas-liquid separator is connected with the input port of described evaporimeter, and the delivery outlet of described evaporimeter is connected to the air entry of described compressor together with the exhaust outlet of described gas-liquid separator.Use the evaporator inlet gas bypass refrigeration system of discharge opeing type gas-liquid separator to effectively improve the phenomenon of evaporimeter separatory inequality, take full advantage of the heat exchange area of evaporimeter, improve the ability of evaporimeter.Meanwhile, because the gas separated directly gets back to compressor, evaporimeter is not flowed through to the inoperative gaseous refrigerant of refrigeration, effectively reduces the drag losses of evaporimeter like this.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the front view of a preferred embodiment of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 2 is longitudinal view of a preferred embodiment of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 3 is the schematic diagram of the upper shell of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 4 is the schematic diagram of the lower shell of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 5 is the schematic diagram of the separating tube of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 6 is the schematic diagram of the upper partition of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 7 is the schematic diagram of the lower partition of a kind of discharge opeing type gas-liquid separator of the present invention;
Fig. 8 is a kind of spraying system schematic diagram using discharge opeing type gas-liquid separator of the present invention;
Fig. 9 is the refrigeration system schematic diagram of gas bypass before a kind of evaporimeter using discharge opeing type gas-liquid separator of the present invention.
Detailed description of the invention
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment is implemented under with technical solution of the present invention prerequisite, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, longitudinal sectional view as shown in Figure 2 for the front view of discharge opeing type gas-liquid separator of the present invention.Discharge opeing type gas-liquid separator of the present invention comprises: upper shell 1, lower shell 2, separating tube 3, upper partition 4 and lower partition 5.The top of upper shell 1 is provided with exhaust outlet 11, and bottom is opening, as shown in Figure 3.Exhaust outlet 11 is for the isolated gas of drainage gas-liquid separator.The bottom of lower shell 2 is provided with leakage fluid dram 21, opening during top, as shown in Figure 4.Leakage fluid dram 21 is for the isolated liquid of drainage gas-liquid separator.As illustrated in fig. 1 and 2, the top seal of lower shell 2 is socketed on the bottom of upper shell 1.In a preferred embodiment of the present invention, lower shell 2 is welded on upper shell 1.Separating tube 3 is for inputting gas-liquid mixture in lower shell 2, and it is in nearly lower partition 5 place access lower shell 2.First end 31(separating tube 3 one end outside lower shell 2 of separating tube 3) be straight-run of pipe, second end 32(separating tube 3 one end in lower shell 2 of separating tube 3) be one section of bend pipe bent along lower shell 2 inwall, specifically as shown in Figure 2 and Figure 5.In a preferred embodiment of the present invention, the bend pipe of separating tube 3 is bending along the inwall of lower shell, and its flexibility is between 45 ° to 135 °, and bend pipe can in same level, also can on the hand of helix tangent with lower shell inwall.As shown in Figure 2 and Figure 6, upper partition 4 is horizontally set in upper shell 1, and on nearly upper shell 1 inwall of upper partition 4, annular is provided with some apertures or filter screen.Upper partition 4 can be a flat board, also can be a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.Upper partition 4 shown in Fig. 2 and Fig. 6 is the dividing plates of the arc had to top bump.Because the circle ring area of nearly upper shell 1 inwall of upper partition 4 is provided with some apertures or filter screen, can effectively catch the liquid carried secretly in gas.Gas is upwards flowed out by aperture or filter screen, discharges finally by exhaust outlet 11; And liquid is under gravity to gas-liquid separator flows, discharge finally by leakage fluid dram 21.Lower partition 5 is horizontally set on the bottom of upper shell 1, and there is a border circular areas center of lower partition 5, the border circular areas of this lower partition 5 is provided with opening or filter screen, as shown in Figure 7.Lower partition 5 can be a flat board, also can be a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.
Gas-liquid separator of the present invention mainly utilizes liquids and gases density different with viscosity, then makes full use of traditional gravity settling separation method and be separated gas-liquid mixture with centrifugal force separate method.Gas-liquid mixture is input in lower shell 2 at a high speed by separating tube 3, and the gas-liquid mixture entered in lower shell 2 carries out altogether five gas-liquid separations in gas-liquid separator of the present invention:
First time gas-liquid separation: the second end due to separating tube 3 be one with flexibility bend pipe, because its gas is different with viscosity with the density of liquid, there is first time gas-liquid separation in the gas-liquid mixture flowed into by separating tube 3, isolated liquid is thrown toward on the inwall away from the separating tube 3 of side, lower shell 2 center under the influence of centrifugal force.
Second time gas-liquid separation: gas-liquid mixture is the cylindrical space that high speed input lower shell 2 and lower partition 5 surround, and because the second end of separating tube 3 is bend pipes, the gas-liquid mixture after first time gas-liquid separation High Rotation Speed can occur.Under the influence of centrifugal force, the gas-liquid mixture after first time gas-liquid separation occurs to be separated further, i.e. second time gas-liquid separation.Liquid after separation is thrown toward on the inner tubal wall of lower shell, and the liquid be attached on inner tubal wall flows to the leakage fluid dram bottom lower shell 2 under gravity downwards.
Third time gas-liquid separation: the gas-liquid mixture after second time gas-liquid separation upwards flows to the center of upper partition 4 by the opening of lower partition 5 center or filter screen, with upper partition 4 collision rift in upper partition 4, slow down in the region that lower partition 5 and upper shell 1 surround, third time gas-liquid separation is there is under the effect of inertia force and viscous force, isolated liquid is adsorbed on the center of upper partition 4 lower surface (upper partition 4 is towards the one side of lower partition 5), the liquid of absorption flows to leakage fluid dram bottom lower shell 2 or lower partition 5 under gravity downwards.Further, in order to the recovery of more convenient liquid, upper partition 4 is made the dividing plate that has taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.
4th gas-liquid separation: the gas-liquid mixture after third time gas-liquid separation slows down in the region between upper partition 4 and lower partition 5, because flow velocity is lower, 4th gas-liquid separation can occur under gravity, and isolated liquid is fallen on the upper surface (namely lower partition 5 is towards the one side of upper partition 4) of lower partition 5 under gravity.The liquid be adsorbed in lower partition 5 flows to the leakage fluid dram bottom lower shell 2 under gravity downwards.Further, the conveniently recovery of isolated liquid, makes the dividing plate that has taper to top bump or arc by lower partition 5, or a dividing plate with taper to bottom protrusion or arc.
5th gas-liquid separation: the gas-liquid mixture after the 4th gas-liquid separation is upward through aperture or the filter screen on upper partition 4 surface, carries out the 5th gas-liquid separation in the process through aperture or filter screen.Aperture or filter screen aperture or filter screen can catch the liquid in gas-liquid mixture, on the aperture that isolated liquid is attached to upper partition 4 or filter screen.The liquid be attached on upper partition 4 aperture or filter screen flows to leakage fluid dram bottom lower shell 2 or lower partition 5 under gravity downwards.Similarly, the conveniently recovery of liquid, makes the dividing plate that has taper to top bump or arc by upper partition 4, or a dividing plate with taper to bottom protrusion or arc.
Further, apply a kind of ejector system of gas-liquid separator of the present invention, specifically as shown in Figure 8, comprise compressor 81, condenser 82, gas-liquid separator 84, injector 83, choke valve 85 and evaporimeter 86.The delivery outlet of compressor 81 is connected with the input port of condenser 82, then the delivery outlet of condenser 82 is connected with injector 83 input port, injector 83 delivery outlet is connected with gas-liquid separator 84 input port, evaporimeter 86 input port is connected with gas-liquid separator 84 liquid phase delivery outlet, evaporimeter 86 delivery outlet is connected with injector 83 induction chamber entrance, and gas-liquid separator 84 gaseous phase outlet is connected with compressor 81 air entry.
Apply the spraying system of gas-liquid separator, gas-liquid separator plays very crucial effect, be separated in gas-liquid separator from injector gas-liquid mixture out at needs, this just requires that gas-liquid separator has less pressure drop and higher separative efficiency, guarantee system stable, run efficiently.Need to be separated gas-liquid separator from injector gas-liquid mixture out, liquid enters evaporimeter, and gas gets back to compressor, significantly improves the pressure of inspiration(Pi) of spraying system.After gas-liquid separation, only have liquid refrigerant to enter evaporimeter, effectively improve the phenomenon of evaporimeter separatory inequality, be conducive to making full use of of evaporator heat exchange area, improve evaporator capacity.
Further, the refrigeration system of a kind of evaporator inlet gas bypass of gas-liquid separator of the present invention is applied, specifically as shown in Figure 9.Comprise compressor 91, condenser 92, expansion valve 93, gas-liquid separator 94, evaporimeter 95 and control valve 96.The delivery outlet of compressor 91 is connected with the input port of condenser 92, the delivery outlet of condenser 92 is connected by expansion valve with the separating tube 3 of gas-liquid separator 94, the leakage fluid dram 21 of gas-liquid separator 94 is connected with the input port of evaporimeter 95, and the delivery outlet of evaporimeter 95 is connected to the air entry of compressor 91 together with the exhaust outlet 11 of gas-liquid separator 94.
Apply the refrigeration system of the evaporator inlet gas bypass of gas-liquid separator, need to be separated gas-liquid separator from expansion valve gas-liquid mixture out, liquid enters evaporimeter, enters compressor after the gas and vapor permeation of gas and evaporator outlet.This achieve the bypass of gaseous refrigerant, allow to refrigeration almost inoperative gaseous refrigerant directly get back to compressor, effectively prevent the drag losses of this part gas.After gas-liquid separation, only have liquid refrigerant to enter evaporimeter, improve the phenomenon of evaporimeter separatory inequality, be conducive to making full use of of evaporator heat exchange area, improve evaporator capacity.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a discharge opeing type gas-liquid separator, is characterized in that, comprises upper shell, lower shell, separating tube, upper partition and lower partition; The top of described upper shell is provided with an exhaust outlet, and described exhaust outlet is for discharging the gas gone out through described gas-liquid separator separates, and the bottom of described upper shell is opening;
The top of described lower shell is opening, and the bottom of described lower shell is provided with a bottom leakage fluid dram, the liquid that described leakage fluid dram goes out for discharging described gas-liquid separator separates;
The top of described lower shell is connected with the sealed bottom of described upper shell;
Described separating tube accesses in described lower shell at nearly described lower partition place, for inputting gas-liquid mixture in described lower shell; The first end of described separating tube is straight-run of pipe, and the second end of described separating tube is one section of bend pipe bent along described lower shell inwall;
Described upper partition is horizontally set in described upper shell, described upper partition in nearly described upper shell inner wall surface annular be provided with some apertures or filter screen;
Described lower partition is horizontally set on the bottom of described upper shell, the center of described lower partition or be provided with opening or filter screen by paracentral position.
2. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, the top of described lower shell and the bottom of described upper shell weld together.
3. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, the straight tube of described separating tube accesses in described lower shell along the tangential direction of described lower shell inwall or near-tangential direction.
4. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, the bend pipe of described separating tube is bending along the inwall of described lower shell, and described bend pipe is in same level or on the hand of helix that described lower shell inwall is tangent.
5. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, described upper partition is a flat board.
6. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, described upper partition is a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.
7. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, described lower partition is a flat board.
8. a kind of discharge opeing type gas-liquid separator as claimed in claim 1, wherein, described lower partition is a dividing plate with taper to top bump or arc, or a dividing plate with taper to bottom protrusion or arc.
9. use an ejector system for discharge opeing type gas-liquid separator as claimed in claim 1, it is characterized in that, comprise compressor, condenser, gas-liquid separator, injector, choke valve and evaporimeter; The delivery outlet of described compressor is connected with the input port of described condenser, the delivery outlet of described condenser is connected with the input port of described injector, the delivery outlet of described injector is connected with the separating tube of described gas-liquid separator, the exhaust outlet of described gas-liquid separator is connected with the air entry of described compressor, the leakage fluid dram of described gas-liquid separator is connected by the input port of described choke valve with described evaporimeter, and the delivery outlet of described evaporimeter is connected with the induction chamber entrance of described injector.
10. use an evaporator inlet gas bypass refrigeration system for discharge opeing type gas-liquid separator as claimed in claim 1, it is characterized in that, comprise compressor, condenser, expansion valve, described gas-liquid separator, evaporimeter and control valve;
The delivery outlet of described compressor is connected with the input port of described condenser, the delivery outlet of described condenser is connected by described expansion valve with the separating tube of described gas-liquid separator, the leakage fluid dram of described gas-liquid separator is connected with the input port of described evaporimeter, and the delivery outlet of described evaporimeter is connected to the air entry of described compressor together with the exhaust outlet of described gas-liquid separator.
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| CN101614460B (en) * | 2009-07-22 | 2011-10-19 | 江西昌九农科化工有限公司 | High-efficiency ammonia liquor separator |
| CN202747708U (en) * | 2012-09-17 | 2013-02-20 | 珠海格力电器股份有限公司 | Mixer for air supplement, compressor and air conditioning system |
| CN203011025U (en) * | 2012-12-10 | 2013-06-19 | Tcl空调器(中山)有限公司 | Air conditioner and gas-liquid separator thereof |
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2013
- 2013-11-12 CN CN201310559632.7A patent/CN103604258B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3479888A1 (en) * | 2017-11-02 | 2019-05-08 | Carrier Corporation | Gas-liquid separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103604258A (en) | 2014-02-26 |
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