CN102235783B - Gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device - Google Patents

Gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device Download PDF

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Publication number
CN102235783B
CN102235783B CN201110104515.2A CN201110104515A CN102235783B CN 102235783 B CN102235783 B CN 102235783B CN 201110104515 A CN201110104515 A CN 201110104515A CN 102235783 B CN102235783 B CN 102235783B
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China
Prior art keywords
inlet tube
container
gas
phase outlet
outlet pipe
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CN102235783A (en
Inventor
志田浩二
坂本亮平
山本刚
岩田博
鹿园直毅
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NICHIREI IND CO Ltd
University of Tokyo NUC
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NICHIREI IND CO Ltd
University of Tokyo NUC
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/17—Size reduction

Abstract

The present invention relates to a kind of gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device.A kind of gas-liquid separation device, even if when gas-liquid separation device has been carried out small-sized path, the narrow space between the container of gas-liquid separation device and gas phase outlet, efficiency is also high.In gas-liquid separation device, horizontal at the top wall of the container from cylindrical shape, arrange the inlet tube of two phase flow from the disalignment of container, in the upper end of container, central authorities arrange vertically through gaseous phase outlet pipe, arrange liquid-phase outlet pipe in the bottom of container.Wherein, the mode of crossing gaseous phase outlet pipe with inlet tube front end installs inlet tube from container side, to prevent the inlet tube mode overlapping with the external diameter of outlet extremely with in a part for the inlet tube front end faced by gaseous phase outlet pipe arranging towards the rake of inlet tube central side at inlet tube.

Description

Gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device
Technical field
The present invention relates to gas-liquid separation device and the oil eliminator of the fluid mechanical device of the such as heat engine such as freeze cycle or vapor recycle and process biphase gas and liquid flow, specifically, relate to and seek further high performance and miniaturized technology.
Background technology
Such as, in the fluid machinery of process biphase gas and liquid flow, by the gas-liquid separation device of freeze cycle divided gas flow cold-producing medium and liquid refrigerant, separation of water vapor and the gas-liquid separation device such as the gas-liquid separation device of water or air and water and the oil eliminator of separating oil and gas (following general name they be gas-liquid separation device), employ the tank relying on gravity to store liquid or oil, or the centrifugal force being used in dependence swirling flow makes liquid or oil be attached to the gas-liquid separation device relying on gravity withdrawal liquid or oil after on wall.
In the gas-liquid separation device formed like this, be the structure relying on gravity, liquid phase that centrifugal force equal-volume power partition density is large substantially.Such as, in gas-liquid separation device, horizontal from the top wall of the container of cylindrical shape, the inlet tube of two phase flow is provided with from the disalignment of container, in the upper end of container, central authorities are provided with vertically through gaseous phase outlet pipe, liquid-phase outlet pipe is provided with in the bottom of container, the two phase flow of container is flow into by circling round along container inner wall face from inlet tube, liquid phase is made to be attached on container inner wall face under the influence of centrifugal force, be separated into gas phase and liquid phase thus, gas phase flows out from gaseous phase outlet pipe, liquid phase relies on the effect of gravity to remain in the below of container, be removed from liquid-phase outlet pipe.
In addition, in the upper end of container, gaseous phase outlet pipe is set, in the bottom of container, liquid-phase outlet pipe is set, the inlet tube of two phase flow is arranged on the height and position of the centre of gaseous phase outlet pipe and liquid-phase outlet pipe, same with previous example, the two phase flow in container is flow into from inlet tube, by circling round along container inner wall face, liquid phase is made to be attached on container inner wall face under the influence of centrifugal force, be separated gas phase and liquid phase thus, gas phase flows out from gaseous phase outlet pipe, and liquid phase remains in the below of container by the effect of gravity, is removed from liquid-phase outlet pipe.
The flat 8-110128 of [patent document 1] Japanese Unexamined Patent Publication
[patent document 2] Japanese Unexamined Patent Publication 2007-271110
No. 4248770th, [patent document 3] Japanese Patent Publication
Summary of the invention
Invent problem to be solved
But in above-mentioned existing structure, be the situation that container diameter is fully large for the inlet tube of two phase flow and the caliber of gas phase outlet, problem when diminishing for container diameter is not considered.That is, with the miniaturization of freeze cycle unit, the installing space of part is also restricted, and requires the miniaturization of each part, also requires the small-sized path of gas-liquid separation device.On the other hand, even if by small-sized for gas-liquid separation device path, because the diameter of the inlet tube for gas-liquid separation device and gaseous phase outlet pipe is determined by the refrigerating capacity of the regulation of the products such as refrigerating plant and refrigerant flow, the pressure loss from the view point of inlet tube and gaseous phase outlet pipe, as one man caliber can not be reduced with the small-sized pathization of gas-liquid separation device, so the space between the container of separator and outlet also becomes narrow, there is the problem that separating property reduces.
Such as, the compressor of nearest use in freeze cycle, correspondingly makes the converter of rotation speed change (inverter) mode be main flow, if freezing load diminishes with freezing load, then make compressor rotary speed decline, the discharging refrigerant flow from compressor is reduced.In order to reclaim the refrigerator oil of discharging together with cold-producing medium from compressor, when oil eliminator is arranged on compressor discharge pipe, because if reduce from the discharging refrigerant flow of compressor, swirling flow prompt drop then for the two phase flow flowing into container from inlet tube is low, so the declines of centrifugal force, can not fully the fine droplets mist produced when flowing into container from inlet tube be captured on container inner wall face, if the size of container is insufficient as pot type, then there is the problem can not carrying out the high gas-liquid separation of efficiency.
In addition, when compressor rotary speed rises, discharging refrigerant flow from compressor increases, the convolution flow velocity flowing into the two phase flow of container from inlet tube uprises, and the effect of centrifugal force strengthens, if but accelerate from the speed that inlet tube flow into container, then easily produce fine droplets mist, if the size of container is insufficient, then fine droplets mist is easily inhaled into gaseous phase outlet pipe with air-flow, there is the problem can not carrying out the high gas-liquid separation of efficiency.
The present invention makes to solve above-mentioned existing problem, its object is to, a kind of gas-liquid separation device that efficiency is high while maintaining small-sized path is provided, and then, be also the invention adopting this gas-liquid separation device to propose a plan to the fluid mechanical device etc. of air conditioner, refrigerator, refrigerator-freezer, dehumidifier, goods showing cabinet, automatic vending machine, vehicle freezing air conditioner and process biphase gas and liquid flow.
In order to solve the means of problem
Make to flow into from inlet tube the idea that the fine droplets mist produced in container is difficult to the means sucked by gaseous phase outlet pipe by two phase flow and have two kinds, its the first be prevent the fine droplets mist as the liquid phase ingredient flowing into the two phase flow in container from inlet tube from spreading to the central side of container, the liquid phase ingredient of two phase flow is made easily to be attached to means on the internal face of container, as far as possible the second makes to flow into inlet tube front position in container near container inner wall face from inlet tube, the fine droplets mist as the liquid phase ingredient of two phase flow is made to be attached to the means also circled round along container inner wall face in the position leaving gaseous phase outlet pipe in container inner wall face as far as possible immediately.Under regard to these means and be described.
Invention described in technical scheme 1 is to provide a kind of invention of the gas-liquid separation device that efficiency is high while maintaining small-sized path, it is characterized in that, in order to the liquid phase ingredient that prevents from flowing into the two phase flow in container from the inlet tube central side to container spreads, and the distance So reduced from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with entrance tubular axis, the liquid phase ingredient of two phase flow is easily attached on the internal face of container immediately, and the liquid phase ingredient of the two phase flow flow in container is circled round along container inner wall face in the position leaving gaseous phase outlet pipe as far as possible, the mode of crossing gaseous phase outlet pipe with inlet tube front end installs inlet tube from container side, to prevent the inlet tube mode overlapping with the external diameter of gaseous phase outlet pipe extremely with in a part for the inlet tube front end faced by gaseous phase outlet pipe arranging towards the rake of inlet tube central side at inlet tube.
Invention described in technical scheme 2, in the gas-liquid separation device described in technical scheme 1, is characterized in that, using the external diameter of inlet tube of band rake as dio, during using the flattening thickness of inlet tube front end as h, make h/dio=0.75 ± 0.1.
Invention described in technical scheme 3, in the gas-liquid separation device described in technical scheme 1, is characterized in that, makes h/dio variable, becomes h/dio=0.75 ± 0.1.
Invention described in technical scheme 4, in gas-liquid separation device according to claim 1, it is characterized in that, using the distance from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with entrance tubular axis as So, when will flatten thickness as h, make So < h.
Invention described in technical scheme 5, in the gas-liquid separation device described in technical scheme 1, is characterized in that, makes the abutment, inner side of the inclination starting point of inlet tube 2 and container and inlet tube consistent or in the inner side at abutment, inner side.
Invention described in technical scheme 6, in the gas-liquid separation device described in technical scheme 1, it is characterized in that, using the pipe external diameter of the part engaged with container of inlet tube as d, by a part of path to inlet tube front end of the front of inlet tube, using the external diameter of the front end of inlet tube as dio, the part to inlet tube front end in path portion is flattened rake is set, by external diameter be dio inlet tube front end flatten thickness flatten into h, inlet tube nose width become W time, make the pipe outside diameter d larger than W.
Invention described in technical scheme 7, in the gas-liquid separation device described in technical scheme 1, it is characterized in that, using the pipe external diameter of the part engaged with container of inlet tube as dio, flattened by a part near inlet tube front end and rake is set, and waviness flattening portion is done in flattening width W direction in rake front end, make W≤dio.
Invention described in technical scheme 8, in the gas-liquid separation device described in technical scheme 1, is characterized in that, the abutment points between inlet tube and gas phase outlet and the abutment points between inlet tube front end and container inner wall face are abutted or engaged.
Invention described in technical scheme 9, in the gas-liquid separation device described in technical scheme 1, it is characterized in that, make the center of the part to inlet tube front end of inlet tube carry out the eccentric and path of Y from entrance tubular axis, and then rake is set in the mode that the flattening thickness of the inlet tube front end of this path becomes h.
Invention described in technical scheme 10, in the gas-liquid separation device described in technical scheme 1, it is characterized in that, to guarantee that the mode of the distance of the abutment points of gaseous phase outlet pipe and inlet tube is by a part of path etc. of gaseous phase outlet pipe, or make the central shaft in path portion relative to the eccentricity of central axis of gaseous phase outlet pipe.
Invention described in technical scheme 11, in the gas-liquid separation device described in technical scheme 10, it is characterized in that, gaseous phase outlet pipe arranges gaseous phase outlet pipe path portion, using the external diameter of gaseous phase outlet pipe as dgo, using the flattening width in gaseous phase outlet pipe path portion as Wo time, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake of flattening plane and inlet tube substantially in parallel faced by mode install.
Invention described in technical scheme 12, in the gas-liquid separation device described in technical scheme 1, it is characterized in that, the central shaft of gaseous phase outlet pipe carries out Z relative to the central shaft of cylindrical container and installs prejudicially, and gaseous phase outlet pipe is installed as the direction contrary with the rake of inlet tube in the direction of the eccentricity of central axis Z relative to container.
Invention described in technical scheme 13, in the gas-liquid separation device described in technical scheme 1, is characterized in that, arranges the parallel face parallel with tubular axis of slight distance ε in inlet tube front end.
Invention described in technical scheme 14, it is a kind of refrigerating plant, it is characterized in that, two phase flow inlet tube in gas-liquid separation device described in any one of the compressor discharge pipe in freeze cycle and technical scheme 1 to technical scheme 13 is connected, the liquid-phase outlet pipe of gas-liquid separation device is connected with compressor suction line through flow adjustment restriction, on the other hand, the pipeline of the condenser in the gaseous phase outlet Guan Yuzhi freeze cycle of gas-liquid separation device is connected.
Invention described in technical scheme 15, is a kind of fluid mechanical device, it is characterized in that, the gas-liquid separation device process biphase gas and liquid flow described in any one of described fluid mechanical device operation technique scheme 1 to technical scheme 13.
[effect of invention]
Invention according to technical scheme 1, from container side, inlet tube is installed by the mode of crossing gaseous phase outlet pipe with inlet tube front end, with prevent the inlet tube mode overlapping with the external diameter of gaseous phase outlet pipe inlet tube to a part for the inlet tube front end faced by gaseous phase outlet pipe on arrange towards the rake of inlet tube central side, the liquid phase ingredient that flow into the two phase flow in container from inlet tube is prevented to spread to the central side of container, and reduce from inlet tube flow in container from inlet tube front end to the distance So in container inner wall face, because make the liquid phase ingredient of two phase flow easily be attached to immediately on the internal face of container, and the liquid phase ingredient of the two phase flow flow in container is circled round along container inner wall face in the position leaving gaseous phase outlet pipe as far as possible, even if so can provide a kind of when gas-liquid separation device has been carried out small-sized path, narrow space between the container of gas-liquid separation device and gas phase outlet, the gas-liquid separation device that efficiency is also high.
Invention according to technical scheme 2, by using band rake inlet tube external diameter as dio, using the flattening thickness of inlet tube front end as h time, make h/dio=0.75 ± 0.1, the flow velocity of the two phase flow flowed out from inlet tube front end becomes suitable, can guarantee good separating property.
Invention according to technical scheme 3, by making h/dio variable, becomes h/dio=0.75 ± 0.1, the amount of deflection of the variable scraper plate of h and the change of flow correspondingly change, flow path cross sectional area changes, and is automatically adjusted to suitable flow velocity, even if changes in flow rate also can obtain good separating property.
Invention according to technical scheme 4, by using the gaseous phase outlet pipe side from inlet tube front end to the distance in the container inner wall face parallel with entrance tubular axis as So, thickness will be flattened as h time, make So < h, because make the liquid phase ingredient of two phase flow easily be attached to immediately on the internal face of container, make the liquid phase ingredient of the two phase flow flow in container as far as possible leaving the position of gaseous phase outlet pipe along the convolution of container inner wall face, so good separating property can be guaranteed.
Invention according to technical scheme 5, by making the abutment, inner side of the inclination starting point of inlet tube 2 and container and inlet tube consistent or in the inner side at abutment, inner side, tiltangleθ can be reduced, the gaseous phase outlet pipe side of inlet tube front end and the distance So in container inner wall face can be reduced, better separating property can be obtained.
Invention according to technical scheme 6, because using the pipe external diameter of the part engaged with container of inlet tube as d, by a part of path to inlet tube front end of the front of inlet tube, using the external diameter of the front end of inlet tube as dio, the part to inlet tube front end in path portion is arranged rake with flattening, thickness h is flattened in the front end of the inlet tube by external diameter being dio, when inlet tube nose width becomes W, make the pipe outside diameter d larger than W, so the inlet tube front end of flattening width W can be made to run through in container, by engaging with container in the part of the caliber d of inlet tube, the reliability that can obtain engaging is high, also gas-liquid separation device is easy to the hole machined that container carries out.
Invention according to technical scheme 7, by the pipe external diameter of the part engaged with container using inlet tube as dio, a part near inlet tube front end is flattened and is arranged rake, waviness flattening portion is done in flattening width W direction in rake front end, W≤dio can be made, by opening the through aperture of inlet tube outside diameter d io energy on container, and by engaging with container in the part of the caliber dio of inlet tube, high, that container the is carried out hole machined also easy gas-liquid separation device of the reliability that can obtain engaging.
Invention according to technical scheme 8, by the abutment points between inlet tube and gas phase outlet and the abutment points between inlet tube front end and container inner wall face are abutted or engage, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet and inlet tube front end and container inner wall face vibrate, adjacent part also can not collide each other, can not cause the generation of noise, the problem of wearing and tearing.
Invention according to technical scheme 9, the eccentric also path of Y is carried out from entrance tubular axis by making the center of the part to inlet tube front end of inlet tube, and then rake is set in the mode that the flattening thickness of the inlet tube front end of this path becomes h, gap delta 1 can be guaranteed between rake and gas phase outlet, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.
Invention according to technical scheme 10, by the mode of the distance of the abutment points to guarantee gaseous phase outlet pipe and inlet tube by a part of path of gaseous phase outlet pipe etc. or make the central shaft in path portion relative to the eccentricity of central axis of gaseous phase outlet pipe, gap delta 1 can be guaranteed between rake 7 and gas phase outlet, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.
Invention according to technical scheme 11, by arranging gaseous phase outlet pipe path portion on gaseous phase outlet pipe, using the external diameter of gaseous phase outlet pipe as dgo, during using the flattening width in gaseous phase outlet pipe path portion as Wo, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake of flattening plane and inlet tube substantially in parallel faced by mode install, gap delta 1 can be guaranteed between rake and gas phase outlet, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, the generation of noise can not be caused, the problem of wearing and tearing.
Invention according to technical scheme 12, install prejudicially by the central shaft of gaseous phase outlet pipe is carried out Z relative to the central shaft of cylindrical container, gaseous phase outlet pipe is installed as the direction contrary with the rake of inlet tube in the direction of the eccentricity of central axis Z relative to container, gap delta 1 can be guaranteed between rake and gas phase outlet, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.
Invention according to technical scheme 13, by arranging the parallel face parallel with tubular axis of slight distance e in inlet tube front end, can prevent burr from producing, when two phase flow flows out in container, two phase flow can be prevented to the space diffusion between container and gas phase outlet, good gas-liquid separation performance can be guaranteed.
Invention according to technical scheme 14, by the compressor discharge pipe in freeze cycle is connected with the inlet tube of the two phase flow of gas-liquid separation device, the liquid-phase outlet pipe of gas-liquid separation device is connected with compressor suction line through flow adjustment restriction, on the other hand, the pipeline of the condenser in the gaseous phase outlet Guan Yuzhi freeze cycle of gas-liquid separation device is connected, can prevent operationally, start time flow out refrigerator oil to freeze cycle, the high freeze cycle of efficiency can be carried out run, in addition, the high operation of reliability can be carried out.
Invention according to technical scheme 15, by using gas-liquid separation device of the present invention in the fluid mechanical device of processing two phase flow, can take out gas phase composition effectively.
Accompanying drawing explanation
Fig. 1 is the sectional view representing the gas-liquid separation device possessing the first embodiment of the present invention.
Fig. 2 is the amplification A-A sectional view of the gas-liquid separation device shown in Fig. 1.
Fig. 3 is the coordinate diagram of the experimental result representing effect of the present invention.
Fig. 4 represents the sectional view to the inlet tube 2 in the technology of last stage of the present invention to the installment state of container 1.
Fig. 5 represents the coordinate diagram illustrating and possess an example of the experimental result of the gas-liquid separation device of the second embodiment of the present invention.
Fig. 6 is the sectional view of the inlet tube representing the gas-liquid separation device possessing the 3rd embodiment of the present invention.
Fig. 7 is the sectional view of the flow regime image representing the fine droplets mist flowed out from the inlet tube 2 of Fig. 2.
Fig. 8 is the sectional view of the flow regime image representing the fine droplets mist flowed out from the inlet tube 2 of Fig. 4.
Fig. 9 illustrates the coordinate diagram possessing the 4th embodiment of the present invention.
Figure 10 represents the sectional view possessing the 5th embodiment of the present invention.
Figure 11 represents the sectional view possessing another the 5th embodiment of the present invention.
Figure 12 is the sectional view in the arrangement of figure 10 when reducing tiltangleθ further.
Figure 13 (a) is the sectional view to extremely producing the problem that possesses the 6th embodiment of the present invention and being described.B () is the B view of Figure 13 (a).
Figure 14 (a) is the sectional view representing first embodiment possessing the 6th embodiment of the present invention.B () is the C view of Figure 14 (a).
Figure 15 represents the sectional view inlet tube possessing the 6th embodiment of the present invention being arranged on the state on container.
Figure 16 (a) is the sectional view of the inlet tube draw state representing second embodiment possessing the 6th embodiment of the present invention.B () is the D view of Figure 16 (a).
Figure 17 (a) is the inlet tube sectional view representing second embodiment possessing the 6th embodiment of the present invention.B () is the D view of Figure 16 (a).
Figure 18 (a) represents the inlet tube sectional view possessing the 7th embodiment of the present invention.B () is the E view of Figure 18 (a).
Figure 19 (a) represents another inlet tube sectional view possessing the 7th embodiment of the present invention.B () is the F view of Figure 19 (a).
Figure 20 represents the sectional view possessing the 8th embodiment of the present invention.
Figure 21 is the sectional view to extremely producing the problem that possesses the 8th embodiment of the present invention and being described.
Figure 22 (a) is the sectional view representing first embodiment possessing the 9th embodiment of the present invention.B () is the G view of Figure 22 (a).
Figure 23 (a) is the sectional view representing second embodiment possessing the 9th embodiment of the present invention.B () is the H view of Figure 23 (a).
Figure 24 is sectional view when assembling the inlet tube possessing the 9th embodiment of the present invention.
Figure 25 represents the sectional view possessing the tenth embodiment of the present invention.
Figure 26 is the amplification B-B cross section view of Figure 25.
Figure 27 represents the sectional view possessing the 11 embodiment of the present invention.
Figure 28 is the amplification C-C cross section view of Figure 27.
Figure 29 represents the sectional view possessing the 12 embodiment of the present invention.
Figure 30 is the sectional view representing another embodiment possessing the 12 embodiment of the present invention.
Figure 31 represents the sectional view possessing the 13 embodiment of the present invention.
Figure 32 is the amplification D-D cross section view of Figure 31.
Figure 33 represents the sectional view possessing the 14 embodiment of the present invention.
Figure 34 represent possess the 15 embodiment of the present invention gas-liquid separation device is used for freeze cycle when freeze cycle pie graph.
Figure 35 represent possess the 16 embodiment of the present invention by the system diagram of gas-liquid separation device for the treatment of the fluid mechanical device of biphase gas and liquid flow.
Figure 36 is the sectional view of the installment state representing inlet tube of the prior art.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.In addition, the present invention is not limited by this embodiment.
[the first embodiment]
Fig. 1 is the sectional view representing the gas-liquid separation device possessing the first embodiment of the present invention, and Fig. 2 is the amplification A-A sectional view of the gas-liquid separation device shown in Fig. 1.
In FIG, horizontal from the top wall of the container 1 of cylindrical shape, be provided with the inlet tube 2 of two phase flow from the disalignment of container 1, be provided with vertically through gaseous phase outlet pipe 3 in the upper end substantial middle of container 1, be provided with liquid-phase outlet pipe 4 in the bottom of container 1.In the horizontal cross shown in Fig. 2, when inserting the inlet tube 2 of two phase flow from cylindrical container sidewall, inlet tube 2 overlaps with the gaseous phase outlet pipe 3 inserted from this container upper end portion, and the front end being configured to the inlet tube 2 of two phase flow in 1 quadrant having crossed gaseous phase outlet pipe 3 at the inlet tube 2 of two phase flow is adjacent with container inner wall 5 or the relation size that abuts, simultaneously, inlet tube 2 as shown in Figure 2, its center line is from the horizontal center line 12 offset distance L at the center by container 1, the wall of through container 1 in space 17 between container 1 and gas phase outlet 3, inlet tube 2 can flow into the inside of container 1 mode with two phase flow is installed, and install from container side in the mode that gaseous phase outlet pipe 3 is crossed in inlet tube front end 6, to prevent inlet tube 2 relative to mode extremely the flattening inlet tube 2 with a part for the inlet tube front end 6 faced by gaseous phase outlet pipe 3 of the external diameter overlap of gaseous phase outlet pipe 3, arrange towards the rake 7 of inlet tube central side from inclination starting point 18 with angle θ, in four quadrants that the vertical center line 11 of rake 7 at the center by the horizontal profile by container 1 and horizontal center line 12 are distinguished, to arrange across the mode on two quadrants, and form in such a way: when flowing into the container 1 of biphase gas and liquid flow from inlet tube 2 to cylindrical shape, two phase flow is attached to side, container inner wall face 5 by pressure.
In said structure, the two phase flow of container 1 is flow into from inlet tube 2, by along rake 7 flowing 9 press be attached to side, container inner wall face 5 after, swirling flow 13 is produced along container inner wall face 5, liquid phase to be attached on container inner wall face 5 by the effect of centrifugal force and to be separated, liquid phase remains in the below of container 1 by the effect of gravity, is removed from liquid-phase outlet pipe 4.Gas phase, while flow downwards in one side of circling round in container 1, flow into gaseous phase outlet pipe 3 from gaseous phase outlet pipe lower end 8, flows out from gaseous phase outlet pipe 3.
By inlet tube 2 to a part for the inlet tube front end 6 faced by gaseous phase outlet pipe 3 on arrange towards the rake 7 of inlet tube central side, three effects shown below can be played, be provided in the gas-liquid separation device that while maintaining small-sized path, efficiency is high.
First effect, by inlet tube 2 to a part for the inlet tube front end 6 faced by gaseous phase outlet pipe 3 on arrange towards the rake 7 of inlet tube central side, even if due in the space-constrained situation between container 1 and gas phase outlet 3, inlet tube 2 and gas phase outlet 3 also can not be overlapping, the distance So between inlet tube front end 6 and container inner wall face 5 can be reduced, two phase flow easily contacts with container inner wall face 5, so the liquid phase ingredient of two phase flow is easily attached on container inner wall face 5 immediately, gas-liquid separation performance improves.
Second effect, because the two phase flow flowing into container 1 from inlet tube 2 is pressed by the flowing 9 along rake be attached to side, container inner wall face 5, so can prevent the two phase flow flowed out from inlet tube front end 6 from spreading to container center side, two phase flow easily contacts with container inner wall face 5, therefore the liquid phase ingredient of two phase flow is easily attached on container inner wall face 5, and gas-liquid separation performance improves.
3rd effect, by inlet tube 2 to a part for the inlet tube front end 6 faced by gaseous phase outlet pipe 3 on arrange towards the rake 7 of inlet tube central side, the gaseous phase outlet pipe side 10 of inlet tube front end leaves gaseous phase outlet pipe 3.Therefore, from the fine droplets mist that the gaseous phase outlet pipe side 10 of inlet tube front end flows out, while in the position leaving gaseous phase outlet pipe 3 around gaseous phase outlet pipe 3 convolution while arrive gaseous phase outlet pipe lower end 8 i.e. gaseous phase outlet pipe inflow part, fine droplets mist is difficult to be sucked by gaseous phase outlet pipe inflow part, and gas-liquid separation performance improves.
Illustrate by an example of the effect of the foregoing invention of experimental verification with Fig. 3, Figure 36, Fig. 4 and previously shown Fig. 2.
Fig. 3 is the experimental result representing above-mentioned effect of the present invention, in order to compare, by prior art and the experimental result record all in the lump that produces to the technology of last stage of the present invention.
Figure 36 represents the sectional view of inlet tube 2 of the prior art to the installment state on container 1, and inlet tube front end 6 is simple drums, and the position that inlet tube front end 6 is inserted into vertical center line 11 in the mode connected with container inner wall face 5 is installed.
Fig. 4 represents the sectional view to the inlet tube 2 in the technology of last stage of the present invention to the installment state of container 1, inlet tube front end 6 is provided with rake 7, and the position that inlet tube front end 6 is inserted into vertical center line 11 in the mode connected with container inner wall face 5 is installed.
The transverse axis of the coordinate diagram of Fig. 3 is represented the flow-rate ratio of the maximum stream flow relative to gas-liquid separator by %, the longitudinal axis to be represented by gas-liquid separator separates by % as separation rate and the liquid phase ingredient taken out from liquid-phase outlet pipe 4 relative to the quality ratio of liquid phase ingredient flowing into gas-liquid separator.
In the coordinate diagram of Fig. 3, by ◆ the experiment 1 of expression is the situation of the installment state of the inlet tube of the prior art 2 shown in Figure 36, and due to the reduction of flow, separation rate reduces significantly.Its reason be because, due to the reduction of flow, from inlet tube front end 6 flow out two phase flow flow velocity reduce, so the declines of centrifugal force, surrounding's distribution from fine droplets mist to gaseous phase outlet pipe 3 while arrival gaseous phase outlet pipe lower end 8 i.e. gaseous phase outlet pipe inflow part.
Corresponding thereto, the experiment 2 represented by ■ is situations of the installment state to the inlet tube 2 in the technology of last stage of the present invention shown in Fig. 4, and the reduction being reduced the separation rate caused by flow is improved significantly.Its reason is caused by above-mentioned second effect and the 3rd effect.
In addition, in the coordinate diagram of Fig. 3 by ● the result of expression is the situation of the installment state of the inlet tube of the present invention 2 of Fig. 2, and the separation rate in 100% flow improves further, in addition, even if when flow reduces by 50%, the reduction of separation rate is also improved significantly.Its reason, except above-mentioned second effect and the 3rd effect, is caused by above-mentioned first effect in addition.
[the second embodiment]
As described in the first embodiment, by flattening a part for the gaseous phase outlet pipe side of inlet tube front end 6, arrange towards the rake 7 of inlet tube central side, reduce the distance So between inlet tube front end 6 and container inner wall face 5, significantly enhance separation rate.Therefore, in order to the optimum value of the flattening thickness h of the inlet tube front end 6 shown in clear and definite Fig. 2, have studied the impact of the flattening thickness h of inlet tube front end 6 by experiment.
Fig. 5 represents the ratio h/dio possessing the flattening thickness h of the inlet tube front end 6 of gas-liquid separation device of the present invention and the outside diameter d io of inlet tube 2 relative to explanation second embodiment, determines the coordinate diagram of the result of separation rate.In addition, in experimental result, use these two kinds of inlet tubes of outside diameter d io=d1, d2 of inlet tube 2, and then, illustrate the situation under these two conditions of flow G=100% and 67%.Experimentally result, there is peak value relative to h/dio in separation rate, the reason that peak value exists is as follows.
H/dio=1.0 is the situation of the simple drum not flattening front end, along with flattening front end, h is reduced, the flow path cross sectional area of inlet tube front end 6 diminishes, the flow velocity of the two phase flow flowed out from inlet tube front end 6 is accelerated, effect along the centrifugal force of the swirling flow 13 in container inner wall face 5 increases, liquid phase is easily attached on container inner wall face 5, and separating property improves.
But, if too reduce h/dio, too accelerate from the flow velocity of the two phase flow of inlet tube front end 6 outflow, then because when two phase flow flows out from inlet tube front end 6, the fine droplets mist that easy generation is many, fine droplets mist around gaseous phase outlet pipe 3 convolution and meanwhile arrive gaseous phase outlet pipe lower end 8 i.e. gaseous phase outlet pipe inflow part, so fine droplets mist is easily inhaled into gaseous phase outlet pipe inflow part, this is the reason that separating property reduces.
In addition, in Figure 5, no matter be which h/dio, if flow is reduced to 67% from 100%, then separating property all reduces.Its reason is because if flow reduces, then the flow velocity of the two phase flow flowed out from inlet tube front end 6 reduces, and the effect along the centrifugal force of the swirling flow 13 in container inner wall face 5 diminishes, and liquid phase is difficult to be attached on container inner wall face 5.
Separation rate is seen on the whole and become peak value near h/dio=0.75.In fact need when processing material to consider dimensional tolerance, the coordinate diagram from Fig. 5: if be ± 0.1 as the dimensional tolerance of h/dio, make h/dio=0.75 ± 0.1, then can guarantee good separating property.
[the 3rd embodiment]
As indicated above, when changes in flow rate, separation rate changes.Therefore, the h varistructure changed by the change h made with flow, can obtain good separation rate in wider range of flow.
With Fig. 6, the 3rd embodiment is described.Fig. 6 is the sectional view of the inlet tube only having taken out Fig. 2, inside the inlet tube of the rake 7 of inlet tube 2, has installed the variable scraper plate 30 of h at supporting-point 31 by welding etc.The material that the variable scraper plate 30 of h is changed by its amount of deflection in the range of flow of regulation is formed, and has equivalently made and can make the mechanism that h is variable.That is, (a) be flow low when the state diagram of the variable scraper plate 30 of h, (b) be flow high when the state diagram of the variable scraper plate 30 of h.As shown in Fig. 6 (a), when flow is low, little and the state that h is little of the amount of deflection being in the variable scraper plate of h 30, flow path cross sectional area reduces, the flow velocity flowed out from inlet tube front end 6 can be maintained with high state, effect along the centrifugal force of the swirling flow in container inner wall face is large, and liquid phase is easily attached on container inner wall face 5, and separating property improves.
On the other hand, as shown in Fig. 6 (b), when flow is high, because the dynamic pressure acted on the variable scraper plate 30 of h becomes large, so the amount of deflection of the variable scraper plate 30 of h increases and becomes the large state of h, flow path cross sectional area is extended, the flow velocity flowed out from inlet tube front end 6 is suppressed to the speed of appropriateness, thus, suppress the generation of fine droplets mist when two phase flow flows out from inlet tube front end 6, separating property improves.
By making said structure, the variable amount of deflection of scraper plate 30 of h and the change of flow correspondingly change, and flow path cross sectional area changes, and is automatically adjusted to suitable flow velocity, even if changes in flow rate also can obtain good separating property.
[the 4th embodiment]
With previously described Fig. 2, Fig. 3 and Fig. 7, Fig. 8, Fig. 9, the 4th embodiment is described.
Fig. 7 is the sectional view of the image of the flow regime representing the fine droplets mist flowed out from the inlet tube 2 of Fig. 2 as above, and Fig. 8 is the sectional view of the image of the flow regime representing the fine droplets mist flowed out from the inlet tube 2 of Fig. 4 as above.Fig. 9 illustrates the coordinate diagram possessing the 3rd embodiment of the present invention, is relative to dimensionless tiltangleθ/θ when making tiltangleθ change 0carry out the coordinate diagram illustrating So/h.In the coordinate diagram shown in Fig. 3, by ● the experimental result of the installment state of the inlet tube of the present invention 2 of Fig. 2 of expression, compared with the experimental result of the installment state to the inlet tube 2 in the technology of last stage of the present invention of the Fig. 4 represented by ■, separation rate in 100% flow improves, in addition, even if when flow reduces by 50%, the reduction of separation rate is also improved significantly.No matter whether extremely flattening with a part for the inlet tube front end 6 faced by gaseous phase outlet pipe 3 all by inlet tube 2 when both, be provided with rake 7, separation rate occur the reason of difference is as follows.
In fig. 8, the inlet tube line part side 15 parallel with the entrance tubular axis 14 of inlet tube 2 connects with container inner wall face, but the distance So in the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 increases.Therefore, the fine droplets mist 16 flowed out from inlet tube front end 6 as shown in Figure 8, easily spread to the space 17 between container 1 and gas phase outlet 3, convolution around gaseous phase outlet pipe 3 is while arrive gaseous phase outlet pipe lower end 8 i.e. gaseous phase outlet pipe inflow part, and therefore separation rate easily reduces.
Corresponding thereto, in the figure 7, the inlet tube line part side 15 parallel with the entrance tubular axis 14 of inlet tube 2 abuts with container inner wall face, the gaseous phase outlet pipe side 10 of inlet tube front end 6 and the distance So in container inner wall face 5 little, the fine droplets mist 16 flowed out from inlet tube front end 6 as shown in Figure 7, encounter container inner wall face 5 immediately, fine droplets mist is easily attached on container inner wall face 5, can obtain good separation rate.
Therefore, the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 and distance So have impact on separation rate.In the structure shown in Fig. 2, making the outside diameter d io of inlet tube 2 and flatten the So obtained under thickness h is certain state when making tiltangleθ change, using θ during So=h as θ 0, relative to θ/θ 0that illustrate So/h is Fig. 9.As can be seen from Figure 9, by reducing tiltangleθ, θ/θ is used 0the region of < 1, So/h < 1, namely at least by making So < h, can obtain good separation rate.
[the 5th embodiment]
With previously shown Fig. 2, Fig. 5 and Figure 10, Figure 11, Figure 12, the 5th embodiment is described.
Figure 10 represents the sectional view possessing the 5th embodiment of the present invention, is horizontal cross when reducing tiltangleθ compared with Fig. 2.Figure 11 represents the sectional view possessing another the 5th embodiment of the present invention, is to reduce tiltangleθ, the horizontal cross when the inlet tube breakthrough part of container 1 is provided with flange 19.Figure 12 is horizontal cross when further reducing tiltangleθ in the arrangement of figure 10.
As shown in Figure 5, owing to there is the relation of the separation rate that can remain high between the outside diameter d io and flattening thickness h of inlet tube 2, so in fig. 2, if make the outside diameter d io of inlet tube 2 and flattening under thickness h is certain state to reduce tiltangleθ, then as shown in Figure 10, inclination starting point 18 moves to the left of figure, and inclination starting point 18 is consistent with the container inner wall face 5 of container 1, and this point becomes the abutment, inner side 20 of container 1 and inlet tube 2.If reduction tiltangleθ, then the inlet tube front end 6 of inlet tube 2 can right direction be moved, and can reduce the gaseous phase outlet pipe side 10 of inlet tube front end 6 and the distance So in container inner wall face 5, can obtain separation rate good further.
As shown in figure 11, at reduction tiltangleθ when being provided with flange 19 at the inlet tube breakthrough part of container 1, the abutment, inner side of container 1 and inlet tube 2 becomes the abutment, inner side 20 of flange part.Because inclination starting point 18 can be close until abutment, inner side 20 left, so can tiltangleθ be reduced, the gaseous phase outlet pipe side 10 of inlet tube front end 6 and the distance So in container inner wall face 5 can be reduced with the reason same with the situation of Figure 10, separation rate good further can be obtained.
As shown in figure 12, when reducing tiltangleθ further, because inclination starting point 18 appears at outside the external diameter 21 of container, between chamber wall 22 and inlet tube 2, produce gap 23, easily produce the problems such as failure welding when chamber wall 22 and inlet tube 2 are engaged by welding etc.Although not shown, even if but when being provided with flange 19 as Figure 11, if too reduce tiltangleθ, then because inclination starting point appears at outside the external diameter of container, so produce same problem.
As indicated above, in order to avoid the problems referred to above while reduction tiltangleθ, need to make the abutment, inner side 20 of the inclination starting point 18 of inlet tube 2 and container 1 and inlet tube 2 consistent or in the inner side at abutment, inner side.In addition, in the coordinate diagram of Fig. 9, the diagram point of the leftmost side is some when making the abutment, inner side 20 of the inclination starting point 18 of inlet tube 2 and container 1 and inlet tube 2 consistent.
[the 6th embodiment]
First embodiment of the 6th embodiment is described with Figure 13 (a), Figure 13 (b) and Figure 14 (a), Figure 14 (b), Figure 15.Figure 13 (a) is the sectional view of the inlet tube 2 only taking out the rake 7 being provided with Figure 10, and Figure 13 (b) is the B view of Figure 13 (a).
Figure 14 (a) is the sectional view representing first embodiment possessing the 6th embodiment of the present invention, is the sectional view being suitable for the inlet tube 2 engaged with container 1, and Figure 14 (b) is the C view of Figure 14 (a).Figure 15 represents the sectional view inlet tube 2 being suitable for engaging with container 1 being arranged on the situation on container.
In Figure 13 (a), arrange towards the rake 7 of inlet tube central side by the inclination starting point 18 of the inlet tube 2 from outside diameter d io with angle θ, if flattening thickness h is flattened in inlet tube front end 6, the width of the front end of then flattening is W, becomes W > dio natch.Therefore, if perforate on container 1, make the inlet tube of Figure 13 (a) run through in container, then the width W needing the through hole 24 of container to make the front end of flattening by diameter or open the irregular hole consistent with the shape of front end surface 25.Because if the width W making front end by aperture D=W, then W > dio, so produce gap between container 1 and inlet tube 2, the joint undertaken by welding etc. becomes difficulty.In addition, if open the irregular hole consistent with the shape of front end surface 25, then there is the problem that processing difficulties, cost increase are such.
Therefore, as the inlet tube being suitable for engaging with container, consider the second inlet tube 26 of the shape shown in Figure 14 (a), Figure 14 (b).That is, flatten into thickness h in the front end of the inlet tube by external diameter being dio, inlet tube nose width is when being W, the pipe of the caliber d that Selection radio W is large, reduces a part for this pipe and carries out path, manufactures the draw portion 27 that diameter is dio.And then, by arrange from diameter be the inclination starting point 18 in the draw portion 27 of dio with the rake 7 of angle θ towards inlet tube central side, can be processed into the flattening thickness h of inlet tube front end 6, flatten width W.Like this, using the pipe external diameter of the part engaged with container of inlet tube as d, the pipe external diameter of the part of rake 7 will be set as dio, be that thickness h is flattened in the front end of the inlet tube of dio by external diameter, when inlet tube nose width becomes W, by making the pipe outside diameter d two section footpath draw inlet tubes larger than W, if open the hole slightly larger than caliber d in advance on container 1, the inlet tube front end 6 of flattening width W then can be made to run through in container, engaged with container 1 by the part of the caliber d by the second inlet tube 26, can solve the above problems.In addition, use the pipe of outside diameter d io, by its a part of expander to outside diameter d, rake 7 is set in the front end of the pipe of external diameter dio, can deals with problems too.Sectional view when being arranged in container by above-described second inlet tube 26 is Figure 15.
Second embodiment of the 6th embodiment is described with Figure 16 (a), Figure 16 (b), Figure 17 (a), Figure 17 (b).
In the embodiment of first shown in Figure 14 (a), carrying out inlet tube two sections of draws with the pipe external diameter of the part of the joint of the container pipe that is d and become pipe outside diameter d io, the mode becoming h with the flattening thickness of inlet tube front end 6 is provided with rake, but the shape of the draw is not limited to two sections of draws, as shown in Figure 16 (a), also can become coniform by the draw, so that making the pipe external diameter of the part engaging inlet tube on container 1 be the diameter that the pipe of d becomes inlet tube front end 6 is the pipe of dio.As shown in Figure 16 (a), the draw become coniform after, as shown in Figure 17 (a), Figure 17 (b), when inlet tube nose width is made W, even if it is also same effect that the mode being h in draw portion 27 with the flattening thickness of inlet tube front end 6 in the scope of W≤d arranges rake 7.
[the 7th embodiment]
With Figure 18 (a), Figure 18 (b), Figure 19 (a), Figure 19 (b), the 7th embodiment is described.
Figure 14 (a), Figure 17 (a), because be all the outside diameter d io of inlet tube front end 6 is flattened into thickness h, W > dio is become when inlet tube nose width is W, so the mode becoming dio with the diameter of inlet tube front end 6 with the pipe external diameter of the part of the joint of the container pipe that is d of inlet tube is carried out the draw, rake is set after the draw.
Therefore, as the inlet tube being suitable for engaging with container, invented the 3rd inlet tube 33 of the shape shown in Figure 18 (a), Figure 18 (b), Figure 19 (a), Figure 19 (b).That is, as shown in Figure 18 (b), Figure 19 (b), by waviness flattening portion 32 is done in flattening width W direction in rake front end, W≤dio can be configured to, if open the hole that inlet tube outside diameter d io can be through on container 1 in advance, then the inlet tube front end 6 of flattening width W can be made to run through in container.Compared with Figure 18 (b), as shown in Figure 19 (b), by making wave number increase, can the flow path cross sectional area of inlet tube front end 6 be guaranteed greatly.In addition, in the present embodiment, inlet tube external diameter is not with d but is illustrated with dio (after path external diameter), but is W≤d too in the relation of d and W.
[the 8th embodiment]
With Figure 20, the 8th embodiment is described.
Figure 20 represents the sectional view possessing the 8th embodiment of the present invention, substantially identical with Figure 10 of previously described 5th embodiment.Figure 21 is the sectional view to extremely producing the problem that possesses the 8th embodiment of the present invention and being described.
As shown in Figure 10, when inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 adjoin, gas-liquid separation device due to the device of installing gas-liquid separation device vibration and vibrate, inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 also vibrate, adjacent part collides each other repeatedly, there is the possibility becoming the generation of noise, the reason of wearing and tearing.
Under these circumstances, as shown in figure 20, using the abutment points between inlet tube 2 and gas phase outlet 3 and the abutment points between inlet tube front end 6 and container inner wall face 5 as abutment points D28 and abutment points E29, by abutting or engaging, even if gas-liquid separation device vibrates due to the vibration of device, inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 vibrate, and adjacent part does not also collide each other, can not cause the generation of noise, the problem of wearing and tearing.
After inlet tube 2 and gas phase outlet 3 are assembled on airtight container 1, the method engaged is carried out as abutment points D28 and abutment points E29, such as, can by being engaged by electric-resistivity method etc. after inlet tube 2 and gas phase outlet 3 are assembled on container 1.
In addition, in the present embodiment, as shown in figure 20, the situation that flange is not set at the inlet tube breakthrough part of container 1 is illustrated, but as shown in figure 11, even if also there is same effect when being provided with flange 19.And then, when carrying out the processing of the draw shown in Figure 15, also there is same effect.
[the 9th embodiment]
With Figure 21, Figure 22, Figure 23 and Figure 24, the 9th embodiment is described.
Figure 21 illustrates the sectional view to the problem possessing generation of the present invention 9th embodiment.
Figure 22 is the sectional view representing first embodiment possessing the 9th embodiment of the present invention, and Figure 23 is the sectional view representing second embodiment possessing the 9th embodiment of the present invention.Sectional view when Figure 24 is the inlet tube assembling first embodiment of the present invention.
As shown in figure 21, by arranging gap delta 1 between inlet tube 2 and gas phase outlet 3, arrange gap delta 2 between inlet tube front end 6 and container inner wall face 5, adjacent part can not collide each other repeatedly, can prevent the generation of noise, wearing and tearing.
But, if offset inlet tube 2 to the left simply as shown in figure 21 from the position of the inlet tube 2 of Figure 20, gap delta 1, gap delta 2 are set, then the gaseous phase outlet pipe side 10 of inlet tube front end 6 and the distance So in container inner wall face 5 become large, become the main cause that separating property reduces as previously described.
If in order to ensure separating property, make gap delta 2=0 to reduce So, and, for guaranteeing that gap delta 1 is the size of regulation, then need the flattening thickness h external diameter of inlet tube 2 being attenuated or reduces inlet tube front end 6.If make the external diameter of inlet tube 2 attenuate or reduce the flattening thickness h of inlet tube front end 6, then can think the main cause that the speed of the two phase flow flowed out from inlet tube front end 6 too improves, separating property reduces.In addition, the main cause that the pressure loss also increases can also be thought.Therefore, the gap delta 1 guaranteeing given size while the inlet tube characteristic that maintenance is of equal value on hydrodynamics with the inlet tube 2 of Figure 20 is needed.
As its means, two methods are invented.First embodiment is, in the front of the previous inlet tube 26 described by Figure 14 and Figure 17, a part to inlet tube front end 6 arranges draw portion 27, as Figure 22, shown in Figure 23, carry out the eccentric also draw of Y by making the center 59 of the inlet tube front end of having carried out the draw from entrance tubular axis 14 and carry out path, in the mode that the flattening thickness of inlet tube front end 6 is h, rake 7 is set, as shown in figure 24, gap delta 1 can be guaranteed between rake 7 and gas phase outlet 3, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, the generation of noise can not be caused, the problem of wearing and tearing.In addition, in order to ensure gap delta 1, such as, before lower end liquid-phase outlet pipe 4 being arranged on container 1, the separator of adjusting play δ 1 can be put into from its installing hole, therefore can guarantee the gap delta 1 specified.In addition, the confirmation that gap is guaranteed, also can use introscope.
When δ 2=0 being made in the gap between inlet tube front end 6 and container inner wall face 5 in order to ensure separating property, as mentioned above, by the abutment points between inlet tube front end 6 and container inner wall face 5 is carried out abutting or engaging as abutment points E29, even if gas-liquid separation device carries out because of the vibration of device vibrating, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the problems such as the generation of noise, wearing and tearing.
[the tenth embodiment]
With Figure 25, Figure 26, the tenth embodiment is described.Tenth embodiment is second embodiment of the invention of two methods described in the 9th embodiment.Figure 25 is the sectional view representing the tenth embodiment, and Figure 26 is the amplification B-B cross section view of Figure 25.Figure 25 is substantially identical with Fig. 1, the sectional view seen from the side, inlet tube front end 6 of Figure 26 from the different point of Fig. 1, in addition, be become outside diameter d os by downside path with the position faced by inlet tube 2 by the draw from the pipe external diameter gaseous phase outlet pipe 3 that is doo, gaseous phase outlet pipe draw portion 60 is set.By arranging gaseous phase outlet pipe draw portion 60, as shown in figure 26, gap delta 1 can be guaranteed between rake 7 and gas phase outlet 3, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.In addition, even if become doo also to have same effect a part of expander of the pipe of outside diameter d os.
[the 11 embodiment]
With Figure 27, Figure 28, the 11 embodiment is described.11 embodiment is the embodiment having further developed second embodiment described in the tenth embodiment.
Figure 27 is the sectional view representing the 11 embodiment.Figure 28 is the amplification C-C cross section view of Figure 27.Figure 27 is substantially identical with Figure 25, the point different from Figure 25 be from gaseous phase outlet pipe 3 with the position faced by inlet tube 2 by the draw by downside path, make the central shaft 62 in gaseous phase outlet pipe draw portion carry out eccentric X and the draw from the central shaft 61 of gaseous phase outlet pipe when arranging gaseous phase outlet pipe draw portion 60.Eccentric X is carried out and the draw from the central shaft 61 of gaseous phase outlet pipe by making the central shaft 62 in gaseous phase outlet pipe draw portion, the mode becoming the opposition side of rake 7 with eccentric X relative to the central shaft of gaseous phase outlet pipe is assembled on container 1, as shown in figure 28, gap delta 1 can be guaranteed fully between rake 7 and gas phase outlet 3, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.In addition, except the embodiment illustrated in Figure 25, Figure 27, among embodiments of the present invention, also comprise the scheme of gaseous phase outlet pipe near by abutment points path partly.
[the 12 embodiment]
Figure 29 is the sectional view representing the 12 embodiment, and Figure 30 is the sectional view of another embodiment representing the 12 embodiment.
12 embodiment, as shown in figure 29, by arranging gaseous phase outlet pipe draw portion 60 on gaseous phase outlet pipe 3, using the external diameter of gaseous phase outlet pipe 3 as dgo, during using the major diameter of ellipse as flattening width W o, in the scope of Wo≤dgo, gaseous phase outlet pipe draw portion 60 is become roughly elliptoid mode with its section to flatten, and with the major diameter of ellipse and rake 7 substantially in parallel faced by mode install, make the structure being positioned at the inner side in the imaginary footpath 65 in the gaseous phase outlet pipe draw portion 60 before flattening with the face 66 of the flattening in rake 7 gaseous phase outlet pipe draw portion in opposite directions, gap delta 1 can be guaranteed further thus between rake 7 and gas phase outlet 3.
Another embodiment of 12 embodiment, as shown in figure 30, by arranging gaseous phase outlet pipe draw portion 60 on gaseous phase outlet pipe 3, using the external diameter of gaseous phase outlet pipe 3 as dgo, during using the flattening width in gaseous phase outlet pipe draw portion 60 as Wo, in the scope of Wo≤dgo, the mode that gaseous phase outlet pipe draw portion 60 becomes roughly D shape with its section is flattened, and with flattening plane and rake 7 substantially in parallel faced by mode install, make the structure being positioned at the inner side in the imaginary footpath 65 in the gaseous phase outlet pipe draw portion 60 before flattening with the face 66 of the flattening in rake 7 gaseous phase outlet pipe draw portion in opposite directions, gap delta 1 can be guaranteed further thus between rake 7 and gas phase outlet 3.
By making said structure, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, and two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.
In addition, describe in Figure 29, Figure 30 and gaseous phase outlet pipe draw portion 60 is set on gaseous phase outlet pipe 3 and the situation of carrying out gaseous phase outlet pipe draw portion 60 to flatten processing, but when the central shaft 61 making the central shaft 62 in the gaseous phase outlet pipe draw portion shown in Figure 28 from gaseous phase outlet pipe carries out the eccentric and draw of X, even if carry out same flattening processing also can obtain same effect.
[the 13 embodiment]
With Figure 31, Figure 32, the 13 embodiment is described.
Figure 31 is the sectional view representing the 13 embodiment, and Figure 32 is the D-D sectional view of Figure 31.Figure 31 is substantially identical with Fig. 1, and the point different from Fig. 1 is the sectional view seen from the side, inlet tube front end 6 of Figure 32, in addition, is that the portion of spinning up and down 63 of container 1 is with carrying out eccentric Z processed relative to the central shaft 64 of container.Therefore, gaseous phase outlet pipe 3 is that the central shaft 61 of gaseous phase outlet pipe carries out Z and installs prejudicially.By the direction that the direction of the Z bias of being carried out by the central shaft 64 relative to container is contrary as the rake 7 with inlet tube 2, as shown in figure 32, gap delta 1 can be guaranteed between rake 7 and gas phase outlet 3, even if gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts also can not collide, and can not cause the generation of noise, the problem of wearing and tearing.
[the 14 embodiment]
With Figure 33, the 14 embodiment is described.Figure 33 represents the sectional view possessing the 14 embodiment of the present invention.
In embodiment so far, all by arranging towards the rake 7 of inlet tube central side in a part for gaseous phase outlet pipe 3 side of inlet tube front end 6, the liquid phase ingredient of two phase flow is easily attached on container inner wall face 5 immediately, realizes the raising of gas-liquid separation performance.
Corresponding thereto, in order to make gas-liquid separation performance improve, need, when two phase flow flows out in container 1 from inlet tube front end 6, not make liquid phase ingredient become fine droplets mist as far as possible.Therefore, if there is burr on the outflow portion angle of inlet tube front end 6, then because liquid phase ingredient easily becomes fine droplets mist, so be carry out chamfer machining for removing burr or R processing in general idea.But, when gas-liquid separation device, if carry out chamfer machining or R processing, then when two phase flow flows out in container 1 from inlet tube front end 6, there is two phase flow due to wall attachment effect easily to the problem that the space 17 between container 1 and gas phase outlet 3 is spread.
Therefore, as shown in figure 33, by arranging parallel with tubular axis parallel facial 34 of pettiness distance ε in inlet tube front end, can prevent burr from producing, when two phase flow flows out in container 1, can prevent two phase flow from spreading to the space 17 between container 1 and gas phase outlet 3, good gas-liquid separation performance can be guaranteed.
[the 15 embodiment]
With Figure 34, the 15 embodiment is described.Figure 34 is the freeze cycle pie graph of the situation employing the gas-liquid separation device possessing the first to the 14 embodiment of the present invention in freeze cycle.Figure 34 is the example of distractor-type air conditioner, is made up of, illustrates circulation during refrigerating operaton outdoor unit 35 and indoor unit 36.Refrigerator oil has been mixed in the HTHP vapor phase refrigerant compressed by compressor 37, if the refrigerator oil quantitative change be mixed in the vapor phase refrigerant of discharging from compressor is many, then the pressure loss of freeze cycle refrigerant flow path increases, the heat of evaporation transport of cold-producing medium and condensation heat transport reduce in addition, become the reason that freeze cycle efficiency reduces.And then when compressor start, be sealing into refrigerator oil in compressor and formed foam, a large amount of refrigerator oils to be mixed in vapor phase refrigerant and to discharge from compressor, flows out to freeze cycle.Special in distractor-type air conditioner, be provided with the connecting pipings connecting indoor unit and outdoor unit, when this connecting pipings 38 is long, the refrigerator oil flowed out to freeze cycle does not turn back in compressor immediately, according to service condition, there is the refrigerator oil deficiency in compressor, the reliability of compressor caused to the problem of obstacle.
Therefore, Figure 34 is to solve above-mentioned problem, and the refrigerant discharge leader of compressor 37 arranges compact gas-liquid separation device 39, seeks the figure of the reliability guaranteed freeze cycle efficiency and guarantee compressor.That is, the vapor phase refrigerant of the low-temp low-pressure sucked by compressor 37 is compressed by compressor 37, becomes HTHP vapor phase refrigerant, and through refrigerant discharge leader 40, flow into gas-liquid separation device from the inlet tube 2 of gas-liquid separation device 39.In the HTHP vapor phase refrigerant compressed by compressor 37, be mixed into refrigerator oil, in gas-liquid separation device 39, refrigerator oil is separated as gas phase as liquid phase, vapor phase refrigerant, and is removed from liquid-phase outlet pipe 4 and gaseous phase outlet pipe 3 respectively.From liquid-phase outlet pipe 4 refrigerator oil out through liquid receiver 41, flow adjustment restriction 42, sucked by compressor suction line 43, refrigerator oil turns back in compressor.The reason arranging flow adjustment restriction 42 is because following: under typical running conditions, because the refrigerator oil be mixed in the HTHP vapor phase refrigerant of discharging from compressor 37 is fewer than vapor phase refrigerant, turn back at leisure in compressor 37 so the refrigerator oil be separated by gas-liquid separation device 39 is adjusted restriction 42 by flow.In addition, the reason being provided with liquid receiver 41 is because following: because the refrigerator oil be sealing into when compressor start in compressor forms foam, a large amount of refrigerator oils is mixed into discharges from compressor in vapor phase refrigerant, but this is temporary transient phenomenon, so the refrigerator oil be separated by gas-liquid separation device 39 is temporarily deposited in liquid receiver 41, adjusts restriction 42 by flow and at leisure refrigerator oil is turned back in compressor 37.In addition, in the capacious situation of the liquid storing part of gas-liquid separation device, liquid receiver is not necessarily needed.
On the other hand, vapor phase refrigerant separated in gas-liquid separation device 39, from gaseous phase outlet pipe 3 through cross valve 44, to the air heat release of being carried by condenser pressure fan 46 in condenser 45, becomes high pressure liquid cold-producing medium.This liquid cold-producing medium is reduced pressure by pressure reducer 47, becomes the two phase flow of low-temp low-pressure, enters in evaporimeter 48, from the air carried by evaporimeter pressure fan 49, captures heat, become the vapor phase refrigerant of low-temp low-pressure, sucked by compressor 37.Therefore, in gas-liquid separation device 39, refrigerator oil is separated as liquid phase, from liquid-phase outlet pipe 4 through liquid receiver 41, flow adjustment restriction 42, sucked by compressor suction line 43, because refrigerator oil turns back in compressor, so can operationally, start time prevent refrigerator oil from flowing out to freeze cycle, high efficiency freeze cycle operation can be carried out, in addition, the high operation of reliability can be carried out.
[the 16 embodiment]
With Figure 35, the 15 embodiment is described.Figure 35 is the system diagram representing the example gas-liquid separation device possessing the first to the 14 embodiment of the present invention being applicable to the fluid mechanical device processing biphase gas and liquid flow.
Specifically, Figure 35 is aircleaning facility, is the device removed the dirty composition such as malodorous elements, particulate composition be mixed in air, obtain the air cleaned.Foul atmosphere 50 containing malodorous elements, particulate composition is transported to dirty adsorption chamber 52 by pressure fan 51.On the other hand, from pump 53, adsorbed water 54 is transported to nozzle 55, in dirty adsorption chamber 52, carries out the spraying of fine water droplets 56 from nozzle 55.Fine water droplets 56 absorption is transported to malodorous elements, the particulate composition of the foul atmosphere in dirty adsorption chamber 52, falls downwards, takes out from delivery pipe 57.On the other hand, the air cleaned takes out from air extraction portion 58, in this air, because containing a large amount of fine water droplets 56, so flow in gas-liquid separation device 39 from the inlet tube 2 of gas-liquid separation device 39, fine water droplets 56 is separated, takes out from liquid-phase outlet pipe 4, and the air cleaned takes out from gaseous phase outlet pipe 3.Therefore, the gas-liquid separation device of the application of the invention, can take out gas phase composition expeditiously.
Above-described gas-liquid separation device, be the scheme proposed based on the understanding by using the experiment of cold-producing medium HFC-410A and refrigerator oil to obtain, but its basic idea also go for the two phase flow that is made up of general gas-liquid phases such as other HFC series coolant, HFO series coolant, natural refrigerant and Air-Waters.
Symbol description:
1: container
2: inlet tube
3: gaseous phase outlet pipe
4: liquid-phase outlet pipe
5: container inner wall face
6: inlet tube front end
7: rake
8: gaseous phase outlet pipe lower end
9: along the flowing of rake
10: the gaseous phase outlet pipe side of inlet tube front end
11: vertical center line
12: horizontal center line
13: swirling flow
14: entrance tubular axis
15: inlet tube line part side
16: fine droplets mist
17: space
18: inclination starting point
19: flange
20: abutment, inner side
21: the external diameter of container
22: chamber wall
23: gap
24: the through hole of container
25: front end surface
26: the second inlet tubes
27: draw portion
28: abutment points D
29: abutment points E
The variable scraper plate of 30:h
31: supporting-point
32: waveform flattening portion
33: the three inlet tubes
34: parallel face
35: outdoor unit
36: indoor unit
37: compressor
38: connecting pipings
39: gas-liquid separation device
40: refrigerant discharge leader
41: liquid receiver
42: flow adjustment restriction
43: compressor suction line
44: cross valve
45: condenser
46: condenser pressure fan
47: pressure reducer
48: evaporimeter
49: evaporimeter pressure fan
50: foul atmosphere
51: pressure fan
52: dirty adsorption chamber
53: pump
54: adsorbed water
55: nozzle
56: fine water droplets
57: delivery pipe
58: air extraction portion
59: the center of having carried out the inlet tube front end of the draw
60: gaseous phase outlet pipe draw portion
61: the central shaft of gaseous phase outlet pipe
62: the central shaft in gaseous phase outlet pipe draw portion
63: spinning portion up and down
64: the central shaft of container
65: imaginary footpath
66: the face of the flattening in gaseous phase outlet pipe draw portion.

Claims (16)

1. a gas-liquid separation device, horizontal from the top wall of the container of cylindrical shape, the inlet tube of two phase flow is provided with from the disalignment of container, vertically through gaseous phase outlet pipe is provided with in the upper end substantial middle of container, liquid-phase outlet pipe is provided with in the bottom of container, it is characterized in that, in horizontal cross, when inserting inlet tube from cylindrical container sidewall, inlet tube overlaps with the gaseous phase outlet pipe inserted from this container upper end portion, and the relation size that the inlet tube front end that is configured to two phase flow in 1 quadrant of gaseous phase outlet pipe adjoins with container inner wall face or abut has been crossed at the inlet tube of two phase flow, simultaneously, the mode of crossing gaseous phase outlet pipe with inlet tube front end installs inlet tube from container side, in the mode preventing inlet tube overlapping with the external diameter of gaseous phase outlet pipe, with a part for the inlet tube front end faced by gaseous phase outlet pipe on be provided with towards the rake of inlet tube central side,
Above-mentioned 1 quadrant, refers to that four quadrants of the container that vertical center line at the center by the horizontal profile by container and horizontal center line are distinguished comprise 1 quadrant of inlet tube front end at interior container.
2. gas-liquid separation device as claimed in claim 1, is characterized in that, at the external diameter of the inlet tube using band rake as dio, during using the flattening thickness of inlet tube front end as h, makes h/dio=0.75 ± 0.1.
3. gas-liquid separation device as claimed in claim 1, is characterized in that, at the external diameter of the inlet tube using band rake as dio, during using the flattening thickness of inlet tube front end as h, makes h/dio variable, becomes h/dio=0.75 ± 0.1.
4. gas-liquid separation device as claimed in claim 1, is characterized in that, using the distance from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with entrance tubular axis as So, when will flatten thickness as h, make So<h.
5. gas-liquid separation device as claimed in claim 1, is characterized in that, makes the abutment, inner side of the inclination starting point of inlet tube (2) and container and inlet tube consistent or in the inner side at abutment, inner side.
6. gas-liquid separation device as claimed in claim 1, it is characterized in that, using the pipe external diameter of the part engaged with container of inlet tube as d, by a part of path of inlet tube front end, using the external diameter of inlet tube front end as dio, by a part for the inlet tube front end in path portion flatten rake is set, by external diameter be dio inlet tube front end flatten thickness flatten into h, inlet tube nose width become W time, make the pipe outside diameter d larger than W.
7. gas-liquid separation device as claimed in claim 1, it is characterized in that, using the pipe external diameter of the part engaged with container of inlet tube as dio, by a part for inlet tube front end being flattened, rake is set, and waviness flattening portion is done in flattening width W direction in rake front end, make W≤dio.
8. gas-liquid separation device as claimed in claim 1, is characterized in that, the abutment points between inlet tube and gas phase outlet and the abutment points between inlet tube front end and container inner wall face are abutted or engaged.
9. gas-liquid separation device as claimed in claim 1, is characterized in that, makes the center of a part for inlet tube front end carry out the eccentric and path of Y from entrance tubular axis, and then arranges rake in the mode that the flattening thickness of the inlet tube front end of this path becomes h.
10. gas-liquid separation device as claimed in claim 1, it is characterized in that, to guarantee that the mode of the distance of the abutment points of gaseous phase outlet pipe and inlet tube is by a part of path of gaseous phase outlet pipe, or make the central shaft in path portion relative to the eccentricity of central axis of gaseous phase outlet pipe.
11. gas-liquid separation devices as claimed in claim 10, it is characterized in that, gaseous phase outlet pipe arranges gaseous phase outlet pipe path portion, using the external diameter of gaseous phase outlet pipe as dgo, using the flattening width in gaseous phase outlet pipe path portion as Wo time, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake of flattening plane and inlet tube substantially in parallel faced by mode install.
12. gas-liquid separation devices as claimed in claim 1, it is characterized in that, the central shaft of gaseous phase outlet pipe carries out Z relative to the central shaft of cylindrical container and installs prejudicially, and gaseous phase outlet pipe is installed as the direction contrary with the rake of inlet tube in the direction of the Z bias of being carried out by the central shaft relative to container.
13. gas-liquid separation devices as claimed in claim 1, is characterized in that, arrange the parallel face parallel with tubular axis of slight distance (ε) in inlet tube front end.
14. 1 kinds of gas-liquid separation devices, horizontal from the top wall of the container of cylindrical shape, the inlet tube of two phase flow is provided with from the disalignment of container, vertically through gaseous phase outlet pipe is provided with in the upper end substantial middle of container, liquid-phase outlet pipe is provided with in the bottom of container, it is characterized in that, in horizontal cross, when inserting inlet tube from cylindrical container sidewall, the relation size that inlet tube front end adjoins with container inner wall face or abuts is configured in 1 quadrant, simultaneously, a part for inlet tube front end is provided with towards the rake of inlet tube central side,
Above-mentioned 1 quadrant, refers to that four quadrants of the container that vertical center line at the center by the horizontal profile by container and horizontal center line are distinguished comprise 1 quadrant of inlet tube front end at interior container.
15. 1 kinds of refrigerating plants, it is characterized in that, by the compressor discharge pipe in freeze cycle and claim 1 to claim 14 any one described in the inlet tube of two phase flow of gas-liquid separation device be connected, the liquid-phase outlet pipe of gas-liquid separation device is connected with compressor suction line through flow adjustment restriction, on the other hand, the pipeline of the condenser in the gaseous phase outlet Guan Yuzhi freeze cycle of gas-liquid separation device is connected.
16. 1 kinds of fluid mechanical devices, is characterized in that, described fluid mechanical device use claim 1 to claim 14 any one described in gas-liquid separation device process biphase gas and liquid flow.
CN201110104515.2A 2010-04-26 2011-04-26 Gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device Active CN102235783B (en)

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