CN102235783A - Gas-liquid separating device and refrigerating device provided with the same - Google Patents

Gas-liquid separating device and refrigerating device provided with the same Download PDF

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Publication number
CN102235783A
CN102235783A CN2011101045152A CN201110104515A CN102235783A CN 102235783 A CN102235783 A CN 102235783A CN 2011101045152 A CN2011101045152 A CN 2011101045152A CN 201110104515 A CN201110104515 A CN 201110104515A CN 102235783 A CN102235783 A CN 102235783A
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China
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inlet tube
gas
phase outlet
container
outlet pipe
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CN2011101045152A
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CN102235783B (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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    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Cyclones (AREA)

Abstract

The invention relates to a gas-liquid separating device and a refrigerating device provided with the same. The gas-liquid separating device, even miniaturized small diameter is performed for the gas-liquid separating device, space between the container of the gas-liquid separating device and a gas phase outlet pipe is small, and efficiency is high. In the gas-liquid separating device, at the upper part wall surface transverse direction of a cylindrical container, a two phase flow inlet pipe is disposed in an offset way from the central line of the container, the upper end part of the container is provided with a gas phase outlet pipe vertically going through, and the lower end part of the container is provided with a liquid-gas outlet pipe. Wherein, the inlet pipe is installed from the side surface of the container in a mode that the front end of the inlet pipe crosses the gas phase outlet pipe, and an inclination part directed toward the central side of the inlet pipe is disposed at the inlet pipe until a part of the inlet pipe front end facing the gas phase outlet pipe in a mode of preventing overlapping of outer diameters of the inlet pipe and the outlet pipe.

Description

Gas-liquid separation device and possess the refrigerating plant of gas-liquid separation device
Technical field
The present invention relates to hot machine such as freeze cycle or vapor recycle for example and handle the gas-liquid separation device and the oil eliminator of the fluid mechanical device of biphase gas and liquid flow, specifically, relate to the technology of seeking further high performance and miniaturization.
Background technology
For example, in the fluid machinery of handling biphase gas and liquid flow, gas-liquid separation device, separation of water vapor and water or the gas-liquid separation device of empty G﹠W and the gas-liquid separation devices such as oil eliminator (they are gas-liquid separation device for following general name) of separating oil and gas by freeze cycle divided gas flow cold-producing medium and liquid refrigerant, used jar that relies on gravity storaging liquid or oil, or use dependence circle round the centrifugal force of stream make liquid or oil attached to wall on the back rely on gravity withdrawal liquid or oily gas-liquid separation device.
In the gas-liquid separation device that constitutes like this, be the structure that relies on gravity, liquid phase that centrifugal force equal-volume power partition density is big basically.For example, in gas-liquid separation device, horizontal from the top wall of container cylindraceous, from the disalignment of container be provided with the inlet tube of two phase flow, be provided with the gaseous phase outlet pipe that vertically connects in the upper end of container central authorities, be provided with the liquid phase outlet in the bottom of container, the two phase flow that flow into container from inlet tube is by circling round along the container inner wall face, under action of centrifugal force, make liquid phase attached on the container inner wall face, be separated into gas phase and liquid phase thus, gas phase flows out from the gaseous phase outlet pipe, and liquid phase relies on the effect of gravity to remain in the below of container, is removed from the liquid phase outlet.
In addition, in the upper end of container the gaseous phase outlet pipe is set, in the bottom of container the liquid phase outlet 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, same with previous example, flow into two phase flow in the container from inlet tube, by circling round along the container inner wall face, under action of centrifugal force, make liquid phase attached on the container inner wall face, separate gas phase and liquid phase thus, gas phase flows out from the gaseous phase outlet pipe, and liquid phase remains in the below of container by the effect of gravity, is removed from the liquid phase outlet.
The special permission of [patent documentation 1] Japan discloses flat 8-110128
The open 2007-271110 of [patent documentation 2] Japan special permission
No. the 4248770th, [patent documentation 3] Japan special permission communique
Summary of the invention
Invent problem to be solved
But, in above-mentioned existing structure, be the abundant big situation of container diameter for the caliber of the inlet tube of two phase flow and gas phase outlet, the problem under the situation about diminishing for container diameter is not considered.That is, follow the miniaturization of freeze cycle unit, the installing space of part also is restricted, and requires the miniaturization of each part, also requires the small-sized pathization of gas-liquid separation device.On the other hand, even with the small-sized pathization of gas-liquid separation device, because the diameter of inlet tube for gas-liquid separation device and gaseous phase outlet pipe is the refrigerant flow decision by the refrigerating capacity of the regulation of products such as refrigerating plant, the viewpoint of the pressure loss from inlet tube and gaseous phase outlet pipe, can not as one man reduce caliber with the small-sized pathization of gas-liquid separation device, so the container of separator and the space between the outlet also become narrow, the problem that exists separating property to reduce.
For example, the compressor of nearest use in freeze cycle, correspondingly making converter (inverter) mode of rotation speed change with freezing load is main flow, if freezing load diminishes, compressor rotary speed is descended, the discharging refrigerant flow from compressor is reduced.In order to reclaim the refrigerator oil of discharging from compressor with cold-producing medium, under situation about oil eliminator being arranged on the compressor discharge pipe, because if the discharging refrigerant flow from compressor reduces, then be used for flowing into the flow velocity reduction of circling round of the two phase flow of container from inlet tube, so action of centrifugal force weakens, can not will capture on the container inner wall face at the fine droplets mist that when inlet tube flow into container, produces fully, if container is big or small insufficient as pot type, then there is the problem that to carry out the high gas-liquid separation of efficient.
In addition, when compressor rotary speed rises, discharging refrigerant flow from compressor increases, the flow velocity that circles round that flow into the two phase flow of container from inlet tube uprises, and action of centrifugal force strengthens, if but accelerate from the speed that inlet tube flow into container, then be easy to generate the fine droplets mist, if container is big or small insufficient, then the fine droplets mist is inhaled into the gaseous phase outlet pipe with air-flow easily, and existence can not be carried out the problem of the high gas-liquid separation of efficient.
The present invention makes in order to solve above-mentioned existing problem, its purpose is, provide a kind of when keeping small-sized pathization the high gas-liquid separation device of efficient, and then, also be with freezing air conditioner and handle the invention that this gas-liquid separation device of employings such as fluid mechanical device of biphase gas and liquid flow proposes a plan to air conditioner, refrigerator, refrigerator-freezer, dehumidifier, goods showing cabinet, automatic vending machine, vehicle.
In order to solve the means of problem
Make and flow into the idea that the fine droplets mist that produces in the container is difficult to the means that sucked by the gaseous phase outlet pipe by two phase flow from inlet tube and have two kinds, its first kind is to prevent to spread to the central side of container as the fine droplets mist of the liquid phase ingredient that flow into the two phase flow in the container from inlet tube, the liquid phase ingredient that makes two phase flow is easily attached to the means on the internal face of container, second kind is to make from inlet tube to flow into inlet tube front position in the container near the container inner wall face as far as possible, makes as the fine droplets mist of the liquid phase ingredient of two phase flow immediately attached on the container inner wall face and the means of circling round along the container inner wall face in the position of leaving the gaseous phase outlet pipe as far as possible.Under regard to these means and describe.
Technical scheme 1 described invention provides a kind of invention of the gas-liquid separation device that efficient is high when keeping small-sized pathization, it is characterized in that, in order to prevent to flow into of the central side diffusion of the liquid phase ingredient of the two phase flow in the container to container from inlet tube, and reduce from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with the inlet tubular axis apart from So, make on the easy internal face attached to container immediately of liquid phase ingredient of two phase flow, and the liquid phase ingredient that flow into the two phase flow in the container is circled round as far as possible along the container inner wall face in the position of leaving the gaseous phase outlet pipe, cross the mode of gaseous phase outlet pipe with the inlet tube front end and inlet tube is installed, at inlet tube rake towards the inlet tube central side is set to the part of the inlet tube front end of facing with the gaseous phase outlet pipe in the overlapping mode of the external diameter that prevents inlet tube and gaseous phase outlet pipe from container side.
Technical scheme 2 described inventions in technical scheme 1 described gas-liquid separation device, is characterized in that, will be with the external diameter of the inlet tube of rake as dio, the flattening thickness of inlet tube front end during as h, be made h/dio=0.75 ± 0.1.
Technical scheme 3 described inventions in technical scheme 1 described gas-liquid separation device, is characterized in that, make h/dio variable, become h/dio=0.75 ± 0.1.
Technical scheme 4 described inventions, in the described gas-liquid separation device of claim 1, it is characterized in that, in distance that will be from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with the inlet tubular axis as So, in the time of will flattening thickness as h, make So＜h.
Technical scheme 5 described inventions in technical scheme 1 described gas-liquid separation device, is characterized in that, make the inclination starting point of inlet tube 2 consistent with the inboard abutment of container and inlet tube or in the inboard at inboard abutment.
Technical scheme 6 described inventions, in technical scheme 1 described gas-liquid separation device, it is characterized in that, with inlet tube and the external diameter of pipe container engaging portion as d, a part of pathization with the front of inlet tube to the inlet tube front end, with the external diameter of the front end of inlet tube as dio, the part flattening to the inlet tube front end of path portion is provided with rake, flattening thickness at the front end that with external diameter is the inlet tube of dio flattens into h, when inlet tube front end width becomes W, makes the external diameter of pipe d bigger than W.
Technical scheme 7 described inventions, in technical scheme 1 described gas-liquid separation device, it is characterized in that, with inlet tube and the external diameter of pipe container engaging portion as dio, part flattening by near inlet tube front end is provided with rake, and the rake front end done waviness flattening portion flattening the width W direction, make W≤dio.
Technical scheme 8 described inventions in technical scheme 1 described gas-liquid separation device, is characterized in that, with abutment points butt or the joint between the abutment points between inlet tube and the gas phase outlet and inlet tube front end and the container inner wall face.
Technical scheme 9 described inventions, in technical scheme 1 described gas-liquid separation device, it is characterized in that, make the center to the part of inlet tube front end of inlet tube carry out the eccentric and pathization of Y, and then rake is set in the mode that the flattening thickness of the inlet tube front end of this pathization becomes h from the inlet tubular axis.
Technical scheme 10 described inventions, in technical scheme 1 described gas-liquid separation device, it is characterized in that, with a part of pathization of gaseous phase outlet pipe etc., perhaps make the eccentricity of central axis of the central shaft of path portion in the mode of the distance of the abutment points of guaranteeing gaseous phase outlet pipe and inlet tube with respect to the gaseous phase outlet pipe.
Technical scheme 11 described inventions, in technical scheme 10 described gas-liquid separation devices, it is characterized in that, gaseous phase outlet pipe path portion is set on the gaseous phase outlet pipe, with the external diameter of gaseous phase outlet pipe as dgo, with the flattening width of gaseous phase outlet pipe path portion during as Wo, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake almost parallel of flattening plane and inlet tube the mode faced install.
Technical scheme 12 described inventions, in technical scheme 1 described gas-liquid separation device, it is characterized in that, the central shaft of gaseous phase outlet pipe carries out Z with respect to the central shaft of cylindrical container to be installed prejudicially, will as the direction opposite with the rake of inlet tube the gaseous phase outlet pipe be installed with respect to the direction of the eccentricity of central axis Z of container.
Technical scheme 13 described inventions in technical scheme 1 described gas-liquid separation device, is characterized in that, the parallel face parallel with tubular axis of slight distance ε is set at the inlet tube front end.
Technical scheme 14 described inventions, it is a kind of refrigerating plant, it is characterized in that, compressor discharge pipe in the freeze cycle is connected with technical scheme 1 to the two phase flow inlet tube in each described gas-liquid separation device of technical scheme 13, the liquid phase outlet of gas-liquid separation device is adjusted restriction through flow to be connected with the compressor suction line, on the other hand, the pipeline with the condenser in the gaseous phase outlet Guan Yuzhi freeze cycle of gas-liquid separation device connects.
Technical scheme 15 described inventions are a kind of fluid mechanical devices, it is characterized in that, described fluid mechanical device operation technique scheme 1 to each described gas-liquid separation device of technical scheme 13 is handled biphase gas and liquid flow.
[effect of invention]
According to technical scheme 1 described invention, from container side inlet tube is installed by the mode of crossing the gaseous phase outlet pipe with the inlet tube front end, at inlet tube rake towards the inlet tube central side is set in the overlapping mode of the external diameter that prevents inlet tube and gaseous phase outlet pipe to the part of the inlet tube front end of facing with the gaseous phase outlet pipe, prevented to flow into of the central side diffusion of the liquid phase ingredient of the two phase flow in the container to container from inlet tube, and reduced from inlet tube in container, flow into from the inlet tube front end to the container inner wall face apart from So, because make on the easy internal face attached to container immediately of the liquid phase ingredient of two phase flow, and the liquid phase ingredient that flow into the two phase flow in the container is circled round as far as possible along the container inner wall face in the position of leaving the gaseous phase outlet pipe, even 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 the gas phase outlet, the gas-liquid separation device that efficient is also high.
According to technical scheme 2 described inventions, by will be with the external diameter of the inlet tube of rake as dio, with the flattening thickness of inlet tube front end during as h, make h/dio=0.75 ± 0.1, the flow velocity of the two phase flow that flows out from the inlet tube front end becomes suitably, can guarantee good separating property.
According to technical scheme 3 described inventions, variable by making h/dio, become h/dio=0.75 ± 0.1, the amount of deflection of the variable scraper plate of h and the variation of flow correspondingly change, flow path cross sectional area changes, and is adjusted to suitable flow velocity automatically, even changes in flow rate also can obtain good separating property.
According to technical scheme 4 described inventions, by in distance that will be from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with the inlet tubular axis as So, in the time of will flattening thickness as h, make So＜h, because make on the easy internal face attached to container immediately of the liquid phase ingredient of two phase flow, the liquid phase ingredient that flow into the two phase flow in the container is circled round as far as possible, so can guarantee good separating property along the container inner wall face in the position of leaving the gaseous phase outlet pipe.
According to technical scheme 5 described inventions, inclination starting point by making inlet tube 2 is consistent with the inboard abutment of container and inlet tube or in the inboard at inboard abutment, can reduce tiltangle, can reduce the gaseous phase outlet pipe side of inlet tube front end and container inner wall face apart from So, can obtain better separating property.
According to technical scheme 6 described inventions, because with inlet tube and the external diameter of pipe container engaging portion as d, a part of pathization with the front of inlet tube to the inlet tube front end, with the external diameter of the front end of inlet tube as dio, the part to the inlet tube front end of path portion is provided with rake with flattening, flatten into thickness h at the front end that with external diameter is the inlet tube of dio, when inlet tube front end width becomes W, make the external diameter of pipe d bigger than W, so the inlet tube front end that flattens width W is run through in the container, by in the part of the caliber d of inlet tube, engaging the reliability height that can obtain engaging with container, the hole processing that container is carried out also is easy to gas-liquid separation device.
According to technical scheme 7 described inventions, by with inlet tube and the external diameter of pipe container engaging portion as dio, the part of near inlet tube front end is flattened rake is set, the rake front end is done waviness flattening portion in flattening width W direction, can make W≤dio, by on container, opening the aperture that inlet tube outside diameter d io can connect, and engage with container in the part of the caliber dio that passes through at inlet tube, the reliability height that can obtain engaging, the hole processing that container is carried out also are easy to gas-liquid separation device.
According to technical scheme 8 described inventions, by with abutment points butt or joint between the abutment points between inlet tube and the gas phase outlet and inlet tube front end and the container inner wall face, even 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, the part of adjacency can not collide each other yet, can not cause generation, the wear problems of noise.
According to technical scheme 9 described inventions, carry out the eccentric and pathization of Y by the center that makes inlet tube from the inlet tubular axis to the part of inlet tube front end, and then rake is set in the mode that the flattening thickness of the inlet tube front end of this pathization becomes h, can between rake and gas phase outlet, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.
According to technical scheme 10 described inventions, by in the mode of the distance of the abutment points of guaranteeing gaseous phase outlet pipe and inlet tube with a part of pathization of gaseous phase outlet pipe etc. or make the eccentricity of central axis of the central shaft of path portion with respect to the gaseous phase outlet pipe, can between rake 7 and gas phase outlet, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.
According to technical scheme 11 described inventions, by gaseous phase outlet pipe path portion is set on the gaseous phase outlet pipe, with the external diameter of gaseous phase outlet pipe as dgo, with the flattening width of gaseous phase outlet pipe path portion during as Wo, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake almost parallel of flattening plane and inlet tube the mode faced install, can between rake and gas phase outlet, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause the generation of noise, wear problems.
According to technical scheme 12 described inventions, by being carried out Z with respect to the central shaft of cylindrical container, installs prejudicially the central shaft of gaseous phase outlet pipe, to as the direction opposite the gaseous phase outlet pipe be installed with respect to the direction of the eccentricity of central axis Z of container with the rake of inlet tube, can between rake and gas phase outlet, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.
According to technical scheme 13 described inventions, by the parallel face parallel with tubular axis of slight distance e is set at the inlet tube front end, can prevent that burr from producing, when two phase flow flows out in container, the space diffusion of two phase flow between container and gas phase outlet can be prevented, good gas-liquid separation performance can be guaranteed.
According to technical scheme 14 described inventions, by the compressor discharge pipe in the freeze cycle is connected with the inlet tube of the two phase flow of gas-liquid separation device, the liquid phase outlet of gas-liquid separation device is adjusted restriction through flow to be connected with the compressor suction line, 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 when moving, flow out refrigerator oil to freeze cycle when starting, can carry out the high freeze cycle operation of efficient, in addition, can carry out the high operation of reliability.
According to technical scheme 15 described inventions,, can take out gas phase composition effectively by in the fluid mechanical device of processing two phase flow, using gas-liquid separation device of the present invention.
Description of drawings
Fig. 1 is the cutaway view that expression possesses the gas-liquid separation device of first embodiment of the present invention.
Fig. 2 is the amplification A-A cutaway view of gas-liquid separation device shown in Figure 1.
Fig. 3 is the coordinate diagram of the experimental result of expression effect of the present invention.
Fig. 4 is the cutaway view of the inlet tube 2 of expression to the technology of last stage of the present invention to the installment state of container 1.
Fig. 5 is the coordinate diagram of an example of the experimental result of the expression explanation gas-liquid separation device that possesses second embodiment of the present invention.
Fig. 6 is the cutaway view of inlet tube that expression possesses the gas-liquid separation device of the 3rd embodiment of the present invention.
Fig. 7 is the cutaway view of expression from the flow regime image of the fine droplets mist of inlet tube 2 outflows of Fig. 2.
Fig. 8 is the cutaway view of expression from the flow regime image of the fine droplets mist of inlet tube 2 outflows of Fig. 4.
Fig. 9 is the coordinate diagram that explanation possesses the 4th embodiment of the present invention.
Figure 10 is the cutaway view that expression possesses the 5th embodiment of the present invention.
Figure 11 is the cutaway view that expression possesses another the 5th embodiment of the present invention.
Figure 12 is the cutaway view under the situation that further reduces tiltangle in the structure of Figure 10.
Figure 13 (a) is the cutaway view that the problem that possesses the 6th embodiment of the present invention to generation is described.(b) be the B view of Figure 13 (a).
Figure 14 (a) is the cutaway view that expression possesses first embodiment of the 6th embodiment of the present invention.(b) be the C view of Figure 14 (a).
Figure 15 is the cutaway view that inlet tube that expression will possess the 6th embodiment of the present invention is installed in the state on the container.
Figure 16 (a) is the cutaway view of inlet tube draw state that expression possesses second embodiment of the 6th embodiment of the present invention.(b) be the D view of Figure 16 (a).
Figure 17 (a) is the inlet tube cutaway view that expression possesses second embodiment of the 6th embodiment of the present invention.(b) be the D view of Figure 16 (a).
Figure 18 (a) is the inlet tube cutaway view that expression possesses the 7th embodiment of the present invention.(b) be the E view of Figure 18 (a).
Figure 19 (a) is another inlet tube cutaway view that expression possesses the 7th embodiment of the present invention.(b) be the F view of Figure 19 (a).
Figure 20 is the cutaway view that expression possesses the 8th embodiment of the present invention.
Figure 21 is the cutaway view that the problem that possesses the 8th embodiment of the present invention to generation is described.
Figure 22 (a) is the cutaway view that expression possesses first embodiment of the 9th embodiment of the present invention.(b) be the G view of Figure 22 (a).
Figure 23 (a) is the cutaway view that expression possesses second embodiment of the 9th embodiment of the present invention.(b) be the H view of Figure 23 (a).
Figure 24 is the cutaway view of having assembled under the situation of the inlet tube that possesses the 9th embodiment of the present invention.
Figure 25 is the cutaway view that expression possesses the tenth embodiment of the present invention.
Figure 26 is the amplification B-B cross section view of Figure 25.
Figure 27 is the cutaway view that expression possesses the 11 embodiment of the present invention.
Figure 28 is the amplification C-C cross section view of Figure 27.
Figure 29 is the cutaway view that expression possesses the 12 embodiment of the present invention.
Figure 30 is the cutaway view that expression possesses another embodiment of the 12 embodiment of the present invention.
Figure 31 is the cutaway view that expression possesses the 13 embodiment of the present invention.
Figure 32 is the amplification D-D cross section view of Figure 31.
Figure 33 is the cutaway view that expression possesses the 14 embodiment of the present invention.
Figure 34 represents to possess the freeze cycle pie graph under the situation that gas-liquid separation device is used for freeze cycle of the 15 embodiment of the present invention.
Figure 35 represents to possess the system diagram of fluid mechanical device that gas-liquid separation device is used to handle biphase gas and liquid flow of the 16 embodiment of the present invention.
Figure 36 is the cutaway view of the installment state of expression inlet tube of the prior art.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, the present invention is not limited by this embodiment.
[first embodiment]
Fig. 1 is the cutaway view of gas-liquid separation device that expression possesses first embodiment of the present invention, and Fig. 2 is the amplification A-A cutaway view of gas-liquid separation device shown in Figure 1.
In Fig. 1, horizontal from the top wall of container 1 cylindraceous, from the disalignment of container 1 be provided with the inlet tube 2 of two phase flow, be provided with the gaseous phase outlet pipe 3 that vertically connects in the upper end of container 1 substantial middle, be provided with liquid phase outlet 4 in the bottom of container 1.In horizontal cross shown in Figure 2, when the cylindrical container sidewall has inserted the inlet tube 2 of two phase flow, inlet tube 2 overlaps with the gaseous phase outlet pipe 3 that inserts from this container upper end portion, and in the inlet tube 2 of two phase flow has been crossed 1 quadrant of gaseous phase outlet pipe 3, constitute the front end of inlet tube 2 of two phase flow and container inner wall 5 in abutting connection with or butt concern size, 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, connect the wall of container 1 in the space 17 between container 1 and gas phase outlet 3, inlet tube 2 is installed in the mode that two phase flow can flow into the inside of container 1, and install from container side in the mode that inlet tube front end 6 is crossed gaseous phase outlet pipe 3, to prevent that inlet tube 2 from flattening the part to the inlet tube front end of facing with gaseous phase outlet pipe 36 of inlet tube 2 with respect to the overlapping mode of the external diameter of gaseous phase outlet pipe 3, with angle θ rake 7 towards the inlet tube central side is set from inclination starting point 18, rake 7 is in by the vertical center line 11 at the center of the horizontal profile by container 1 and four quadrants that horizontal center line 12 is distinguished, be provided with in the mode on two quadrants, and constitute in such a way: when inlet tube 2 flowed into to container 1 cylindraceous, two phase flow was attached to container inner wall face 5 sides by pressure at biphase gas and liquid flow.
In said structure, flow into the two phase flow of container 1 from inlet tube 2, after being attached to container inner wall face 5 sides by 9 pressures that flow along rake 7, produce the stream 13 that circles round along container inner wall face 5, liquid phase by action of centrifugal force attached on the container inner wall face 5 and separate, liquid phase remains in the below of container 1 by the effect of gravity, is removed from liquid phase outlet 4.Gas phase is circled round in container 1 on one side and is flowed downwards on one side, flow into gaseous phase outlet pipe 3 from gaseous phase outlet pipe lower end 8, flows out from gaseous phase outlet pipe 3.
By rake 7 towards the inlet tube central side being set to the part of the inlet tube front end of facing with gaseous phase outlet pipe 36 at inlet tube 2, can play three effects shown below, be provided at the high gas-liquid separation device of efficient when keeping small-sized pathization.
First effect, by rake 7 towards the inlet tube central side being set to the part of the inlet tube front end of facing with gaseous phase outlet pipe 36 at inlet tube 2, even because under the space-constrained situation between container 1 and the gas phase outlet 3, inlet tube 2 and gas phase outlet 3 can be not overlapping yet, can reduce between inlet tube front end 6 and the container inner wall face 5 apart from So, two phase flow contacts with container inner wall face 5 easily, so the liquid phase ingredient of two phase flow is easily immediately attached on the container inner wall face 5, the gas-liquid separation performance improves.
Second effect, be attached to container inner wall face 5 sides because flow into the two phase flow of container 1 from inlet tube 2 by 9 pressures that flow along rake, so can prevent to spread to the container center side from the two phase flow that inlet tube front end 6 flows out, two phase flow contacts with container inner wall face 5 easily, therefore the liquid phase ingredient of two phase flow is easily attached on the container inner wall face 5, and the gas-liquid separation performance improves.
The 3rd effect, by inlet tube 2 rake 7 towards the inlet tube central side is set to the part of the inlet tube front end of facing with gaseous phase outlet pipe 36, the gaseous phase outlet pipe side 10 of inlet tube front end leaves gaseous phase outlet pipe 3.Therefore, the fine droplets mist that flows out from the gaseous phase outlet pipe side 10 of inlet tube front end, circling round around gaseous phase outlet pipe 3 in the position of leaving gaseous phase outlet pipe 3 on one side and arriving gaseous phase outlet pipe lower end 8 on one side is gaseous phase outlet pipe inflow portion, the fine droplets mist is difficult to be sucked by gaseous phase outlet pipe inflow portion, and the gas-liquid separation performance improves.
Fig. 2 explanation shown in reaching before with Fig. 3, Figure 36, Fig. 4 is by an example of the effect of the foregoing invention of experimental verification.
Fig. 3 is the experimental result of the above-mentioned effect of the present invention of expression, and for relatively, the experimental result that produces by prior art and to the technology of last stage of the present invention is record in the lump all.
Figure 36 is the cutaway view of the expression installment state of inlet tube 2 of the prior art on container 1, and inlet tube front end 6 is simple drums, and inlet tube front end 6 is installed with the position that the mode of joining with container inner wall face 5 is inserted into vertical center line 11.
Fig. 4 is the cutaway view of the inlet tube 2 of expression to the technology of last stage of the present invention to the installment state of container 1, be provided with rake 7 on inlet tube front end 6, inlet tube front end 6 is installed with the position that the mode of joining with container inner wall face 5 is inserted into vertical center line 11.
The transverse axis of the coordinate diagram of Fig. 3 is represented flow-rate ratio with respect to the maximum stream flow of gas-liquid separator by %, and the longitudinal axis is represented the liquid phase ingredient that takes out by gas-liquid separator separates and from liquid phase outlet 4 quality ratio with respect to the liquid phase ingredient that flow into gas-liquid separator by % as separation rate.
In the coordinate diagram of Fig. 3, be the situation of the installment state of inlet tube of the prior art 2 shown in Figure 36 by ◆ the experiment 1 of expression, because the reduction of flow, separation rate reduces significantly.Its reason be because, because the reduction of flow, the flow velocity of the two phase flow that flows out from inlet tube front end 6 reduces, so action of centrifugal force weakens, to arrive gaseous phase outlet pipe lower end 8 be gaseous phase outlet pipe inflow portion Yi Bian the fine droplets mist distributes around gaseous phase outlet pipe 3 on one side.
Relative with it, the experiment of being represented by ■ 2 is situations of the installment state of inlet tube 2 to the technology of last stage of the present invention shown in Figure 4, and the reduction that is reduced the separation rate that causes by flow is improved significantly.Its reason is caused by above-mentioned second effect and the 3rd effect.
In addition, be the situation of installment state of the inlet tube of the present invention 2 of Fig. 2 by ● the result of expression in the coordinate diagram of Fig. 3, the separation rate in 100% flow further improves, in addition, even under the situation of flow reduction by 50%, the reduction of separation rate is also improved significantly.Its reason is caused by above-mentioned first effect except above-mentioned second effect and the 3rd effect in addition.
[second embodiment]
As narrating in the first embodiment, the part of the gaseous phase outlet pipe side by flattening inlet tube front end 6, setting is towards the rake 7 of inlet tube central side, reduce between inlet tube front end 6 and the container inner wall face 5 apart from So, improved separation rate significantly.Therefore, for the optimum value of the flattening thickness h of clear and definite inlet tube front end 6 shown in Figure 2, studied the influence of the flattening thickness h of inlet tube front end 6 by experiment.
Fig. 5 is expression with respect to the ratio h/dio of the outside diameter d io of the flattening thickness h of the inlet tube front end 6 that possesses gas-liquid separation device of the present invention of explanation second embodiment and inlet tube 2, has measured the result's of separation rate coordinate diagram.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, the situation under flow G=100% and 67% these two conditions represented.According to experimental result, there is peak value in separation rate with respect to h/dio, and what peak value existed the reasons are as follows.
H/dio=1.0 is the situation of not flattening the simple drum of front end, along with flattening front end, h being reduced, the flow path cross sectional area of inlet tube front end 6 diminishes, the flow velocity of the two phase flow that flows out from inlet tube front end 6 is accelerated, stream 13 the action of centrifugal force of circling round along container inner wall face 5 increases, liquid phase is easily attached on the container inner wall face 5, and separating property improves.
But, if the flow velocity of the two phase flow that too reduces h/dio, flows out from inlet tube front end 6 is too accelerated, then because at two phase flow when inlet tube front end 6 flows out, be easy to generate many fine droplets mists, the fine droplets mist circles round around gaseous phase outlet pipe 3 on one side and arrives gaseous phase outlet pipe lower end 8 on one side is gaseous phase outlet pipe inflow portion, so the fine droplets mist is inhaled into gaseous phase outlet pipe inflow portion easily, this is the reason that separating property reduces.
In addition, in Fig. 5, no matter be which h/dio, if flow is reduced to 67% from 100%, then separating property all reduces.Its reason be because, if flow reduces, then the flow velocity of the two phase flow that flows out from inlet tube front end 6 reduces, and diminishes along the action of centrifugal force of the stream 13 that circles round of container inner wall face 5, liquid phase is difficult to attached on the container inner wall face 5.
Separation rate is seen on the whole becomes peak value near h/dio=0.75.In fact under the situation of processing material, need to consider dimensional tolerance, from the coordinate diagram of Fig. 5 as can be known: if be ± 0.1, make h/dio=0.75 ± 0.1, then can guarantee good separating property as the dimensional tolerance of h/dio.
[the 3rd embodiment]
As previously discussed, when changes in flow rate, separation rate changes.Therefore, by making the h varistructure of the variation h variation of following flow, can in wideer range of flow, obtain good separation rate.
With Fig. 6 the 3rd embodiment is described.Fig. 6 is the cutaway view that has only taken out the inlet tube of Fig. 2, in the inlet tube inboard of the rake 7 of inlet tube 2, is waited by welding at supporting-point 31 the variable scraper plate 30 of h has been installed.The variable scraper plate 30 of h is made of the material that its amount of deflection in the range of flow of regulation changes, and has made of equal valuely and can make the variable mechanism of h.That is, (a) being the state diagram of the variable scraper plate 30 of h under the low situation of flow, (b) is the state diagram of the variable scraper plate 30 of h under the high situation of flow.Shown in Fig. 6 (a), under the low situation of flow, the amount of deflection that is in the variable scraper plate 30 of h is little and state that h is little, flow path cross sectional area dwindles, can keep the flow velocity that flows out from inlet tube front end 6 with high state, the action of centrifugal force that flows along circling round of container inner wall face is big, and liquid phase is easily attached on the container inner wall face 5, and separating property improves.
On the other hand, shown in Fig. 6 (b), under the high situation of flow, because the dynamic pressure that acts on the variable scraper plate 30 of h becomes big, so the amount of deflection of the variable scraper plate 30 of h increases and becomes the big state of h, flow path cross sectional area is extended, to be suppressed to the speed of appropriateness from the flow velocity that inlet tube front end 6 flows out, thus, suppress the generation of fine droplets mist at two phase flow when inlet tube front end 6 flows out, separating property improves.
By making said structure, the amount of deflection of the variable scraper plate 30 of h and the variation of flow correspondingly change, and flow path cross sectional area changes, and is adjusted to suitable flow velocity automatically, even 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 cutaway view of expression from the image of the flow regime of the fine droplets mist of inlet tube 2 outflows of aforesaid Fig. 2, and Fig. 8 is the cutaway view of expression from the image of the flow regime of the fine droplets mist of inlet tube 2 outflows of aforesaid Fig. 4.Fig. 9 is that explanation possesses the coordinate diagram of the 3rd embodiment of the present invention, is the dimensionless tiltangle/θ when tiltangle is changed 0Carried out the coordinate diagram of diagram So/h.In coordinate diagram shown in Figure 3, by ● the experimental result of the installment state of the inlet tube of the present invention 2 of Fig. 2 of expression, compare with the experimental result of the installment state of the inlet tube 2 to the technology of last stage of the present invention of the Fig. 4 that represents by ■, separation rate in 100% flow improves, in addition, even under the situation of flow reduction by 50%, the reduction of separation rate is also improved significantly.Under both situations, all the part to the inlet tube front end of facing with gaseous phase outlet pipe 36 of inlet tube 2 is flattened,, the reasons are as follows of difference on separation rate, occur no matter whether be provided with rake 7.
In Fig. 8, the inlet tube line part side parallel with the inlet tubular axis 14 of inlet tube 2 15 joined with the container inner wall face, but the gaseous phase outlet pipe side 10 of inlet tube front end 6 and having increased apart from So of container inner wall face 5.Therefore, the fine droplets mist 16 that flows out from inlet tube front end 6 as shown in Figure 8, easily 17 diffusions of the space between container 1 and gas phase outlet 3 gaseous phase outlet pipe 3 around circle round that on one side arrive gaseous phase outlet pipe lower end 8 be gaseous phase outlet pipe inflow portion on one side, so separation rate reduces easily.
Relative with it, in Fig. 7, the inlet tube line part side 15 and container inner wall face butt parallel with the inlet tubular axis 14 of inlet tube 2, the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 little apart from So, the fine droplets mist 16 that flows out from inlet tube front end 6 as shown in Figure 7, run into container inner wall face 5 immediately, the fine droplets mist attached on the container inner wall face 5, can obtain good separation rate easily.
Therefore, the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 and influenced separation rate apart from So.In structure shown in Figure 2, at the outside diameter d io that makes inlet tube 2 with to flatten thickness h be the So that obtains under certain state when tiltangle is changed, the θ during with So=h is as θ 0, with respect to θ/θ 0That illustrate So/h is Fig. 9.As can be seen from Figure 9, by reducing tiltangle, use θ/θ 0＜1 zone, So/h＜1 promptly at least by making So＜h, can obtain good separation rate.
[the 5th embodiment]
With Fig. 2, the Fig. 5 shown in previous and Figure 10, Figure 11, Figure 12 the 5th embodiment is described.
Figure 10 is the cutaway view that expression possesses the 5th embodiment of the present invention, is the horizontal cross of comparing with Fig. 2 under the situation that has reduced tiltangle.Figure 11 is that expression possesses the cutaway view of another the 5th embodiment of the present invention, is to reduce tiltangle, is provided with the horizontal cross under the situation of flange 19 at the inlet tube breakthrough part of container 1.Figure 12 is the horizontal cross that has further reduced in the structure of Figure 10 under the situation of tiltangle.
As shown in Figure 5, because at the outside diameter d io of inlet tube 2 with flatten and have the relation that to keep high separation rate between the thickness h, so in Fig. 2, if at the outside diameter d io that makes inlet tube 2 with to flatten thickness h be to reduce tiltangle under certain state, 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 inboard abutment 20 of container 1 and inlet tube 2.If reduce tiltangle, then the inlet tube front end 6 of inlet tube 2 can move to right, can reduce the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 apart from So, can obtain further good separation rate.
As shown in figure 11, reducing tiltangle and be provided with under the situation of flange 19 at the inlet tube breakthrough part of container 1, the inboard abutment of container 1 and inlet tube 2 becomes the inboard abutment 20 of flange part.Because inclination starting point 18 can be left near till inboard abutment 20, so can reduce tiltangle, can with the same reason of the situation of Figure 10 reduce the gaseous phase outlet pipe side 10 of inlet tube front end 6 and container inner wall face 5 apart from So, can obtain further good separation rate.
As shown in figure 12, under the situation that further reduces tiltangle, because inclination starting point 18 appears at outside the external diameter 21 of container,, be easy to generate problems such as failure welding during by joints such as welding at chamber wall 22 and inlet tube 2 so between chamber wall 22 and inlet tube 2, produce gap 23.Though not shown, even under the situation that as Figure 11, is provided with flange 19, if too reduce tiltangle, then because the inclination starting point appears at outside the external diameter of container, so produce same problem.
As previously discussed, in order to avoid the problems referred to above when reducing tiltangle, the inclination starting point 18 that need make inlet tube 2 and the inboard abutment of container 1 and inlet tube 2 20 are consistent or in the inboard at inboard abutment.In addition, in the coordinate diagram of Fig. 9, the point under the diagram of the leftmost side point situation that to be the inclination starting point 18 that makes inlet tube 2 consistent with the inboard abutment of container 1 and inlet tube 2 20.
[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 cutaway view that only takes out the inlet tube 2 of the rake 7 that is provided with Figure 10, and Figure 13 (b) is the B view of Figure 13 (a).
Figure 14 (a) is the cutaway view of first embodiment that expression possesses the 6th embodiment of the present invention, is the cutaway view that is suitable for the inlet tube 2 that engages with container 1, and Figure 14 (b) is the C view of Figure 14 (a).Figure 15 represents that the inlet tube 2 that will be suitable for engaging with container 1 is installed in the cutaway view of the situation on the container.
In Figure 13 (a), by with angle θ rake 7 towards the inlet tube central side being set from the inclination starting point 18 of the inlet tube 2 of outside diameter d io, if inlet tube front end 6 is flattened into the flattening thickness h, then the width of the front end of Ya Bianing is W, becomes W＞dio natch.Therefore, if perforate on container 1 desires to make the inlet tube of Figure 13 (a) to run through in the container, then need the through hole 24 of container is made the diameter that the width W of the front end of flattening can pass through or opened the irregular hole consistent with the shape of front end end face 25.Because if make the aperture D=W that the width W of front end can be passed through, then W＞dio so produce the gap between container 1 and inlet tube 2, waits the joint that carries out to become difficult by welding.In addition, if open the irregular hole consistent, then there are processing difficulties, the such problem of cost rising with the shape of front end end face 25.
Therefore, as the inlet tube that is suitable for engaging, considered second inlet tube 26 of the shape shown in Figure 14 (a), Figure 14 (b) with container.That is to say, flatten into thickness h at the front end that with external diameter is the inlet tube of dio, when inlet tube front end width is W, select the pipe of the caliber d bigger, the part of this pipe is dwindled carry out pathization that making diameter is the draw portion 27 of dio than W.And then, by be provided with from diameter be the inclination starting point 18 of draw portion 27 of dio with the rake 7 of angle θ towards the inlet tube central side, can be processed into inlet tube front end 6 the flattening thickness h, flatten width W.Like this, with inlet tube and the external diameter of pipe container engaging portion as d, to the external diameter of pipe of part of rake 7 be set as dio, with external diameter is that the front end of the inlet tube of dio flattens into thickness h, when inlet tube front end width becomes W, by making the external diameter of pipe d two section footpath draw inlet tubes bigger than W, if on container 1, open the hole bigger slightly in advance than caliber d, the inlet tube front end 6 that flattens width W is run through in the container, engage with container 1 by part, can solve the above problems by the caliber d of second inlet tube 26.In addition, use the pipe of outside diameter d io, its a part of expander to outside diameter d, is provided with rake 7 at the front end of the pipe of external diameter dio, can deal with problems too.The cutaway view that above-described second inlet tube 26 is installed under the situation in the container 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 first embodiment shown in Figure 14 (a), with inlet tube and the external diameter of pipe of engaging portion container is that the pipe of d carries out two sections draws and becomes external diameter of pipe dio, the mode that becomes 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 draws, shown in Figure 16 (a), also can become coniform by the draw, be that the diameter that the pipe of d becomes inlet tube front end 6 is the pipe of dio so that make on container 1 external diameter of pipe of the part that engages inlet tube.Shown in Figure 16 (a), the draw become coniform after, shown in Figure 17 (a), Figure 17 (b), when inlet tube front end width is made W, even in the scope of W≤d, be that rake 7 is set also is same effect for the mode of h with the flattening thickness of inlet tube front end 6 in draw portion 27.
[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), all the outside diameter d io of inlet tube front end 6 is flattened into thickness h because be, become W＞dio during for W at inlet tube front end width, so the external diameter of pipe with engaging portion container inlet tube the pipe that is d is carried out the draw in the mode that the diameter of inlet tube front end 6 becomes dio, rake is set behind the draw.
Therefore, as the inlet tube that is suitable for engaging, invented the 3rd inlet tube 33 of the shape shown in Figure 18 (a), Figure 18 (b), Figure 19 (a), Figure 19 (b) with container.That is to say, shown in Figure 18 (b), Figure 19 (b), by the rake front end is done waviness flattening portion 32 in flattening width W direction, can constitute W≤dio, if on container 1, open the hole that inlet tube outside diameter d io can connect in advance, the inlet tube front end 6 that flattens width W is run through in the container.Compare with Figure 18 (b), shown in Figure 19 (b), increase, can guarantee the flow path cross sectional area of inlet tube front end 6 greatly by making the wave number.In addition, in the present embodiment, the inlet tube external diameter is not with d but is illustrated with dio (external diameter after the pathization), but be W≤d too in the relation of d and W.
[the 8th embodiment]
With Figure 20 the 8th embodiment is described.
Figure 20 is the cutaway view that expression possesses the 8th embodiment of the present invention, and the Figure 10 with previously described the 5th embodiment is identical basically.Figure 21 is the cutaway view that the problem that possesses the 8th embodiment of the present invention to generation is described.
As shown in figure 10, inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 in abutting connection with the time, gas-liquid separation device is owing to the vibration of the device that gas-liquid separation device has been installed is vibrated, inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 also vibrate, the part of adjacency collides each other repeatedly, has the possibility of the reason of the generation become noise, wearing and tearing.
Under these circumstances, as shown in figure 20, with the abutment points between the abutment points between inlet tube 2 and the gas phase outlet 3 and inlet tube front end 6 and the container inner wall face 5 as abutment points D28 and abutment points E29, by butt or joint, even gas-liquid separation device is owing to the vibration of device is vibrated, inlet tube 2 and gas phase outlet 3 and inlet tube front end 6 and container inner wall face 5 vibrate, and the part of adjacency does not collide each other yet, can not cause generation, the wear problems of noise.
After being assembled into inlet tube 2 and gas phase outlet 3 on the airtight container 1, the method that engages as abutment points D28 and abutment points E29, for example, can be by engaging after being assembled into inlet tube 2 and gas phase outlet 3 on the container 1 by electric-resistivity method etc.
In addition, in the present embodiment, as shown in figure 20, represented not to be provided with the situation of flange at the inlet tube breakthrough part of container 1, but as shown in figure 11, even under the situation that is provided with flange 19, also have same effect.And then, under the situation of carrying out draw processing shown in Figure 15, also have same effect.
[the 9th embodiment]
With Figure 21, Figure 22, Figure 23 and Figure 24 the 9th embodiment is described.
Figure 21 is the cutaway view that illustrates to the problem that possesses generation the 9th embodiment of the present invention.
Figure 22 is the cutaway view that expression possesses first embodiment of the 9th embodiment of the present invention, and Figure 23 is the cutaway view that expression possesses second embodiment of the 9th embodiment of the present invention.Figure 24 is the cutaway view of having assembled under the situation of inlet tube of first embodiment of the present invention.
As shown in figure 21, by between inlet tube 2 and gas phase outlet 3 gap delta 1 being set, between inlet tube front end 6 and container inner wall face 5 gap delta 2 is set, the part of adjacency can not collide each other repeatedly, can prevent generation, the wearing and tearing of noise.
But, if be displaced into a mouthful pipe 2 to 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 container inner wall face 5 becomes big apart from So, the main cause that becomes the separating property reduction like that as discussed previously.
If in order to ensure separating property, make gap delta 2=0 and reduce So, and, desire to guarantee the size of gap delta 1 for regulation, then need to make the external diameter of inlet tube 2 to attenuate or reduce the flattening thickness h of inlet tube front end 6.If the external diameter of inlet tube 2 is attenuated or reduce the flattening thickness h of inlet tube front end 6, then can think the main cause that speed too improves, separating property reduces of the two phase flow that flows out from inlet tube front end 6.In addition, also can think the main cause that the pressure loss also increases.Therefore, need on hydrodynamics, guarantee the gap delta 1 of given size in the inlet tube characteristic of equal value keeping inlet tube 2 with Figure 20.
As its means, two methods have been invented.First embodiment is, formerly by the front of the inlet tube 26 of Figure 14 and Figure 17 narration, to the part of inlet tube front end 6, be provided with under the situation of draw portion 27, as Figure 22, shown in Figure 23, carry out the eccentric also draw of Y by the center 59 that makes the inlet tube front end that has carried out the draw from inlet tubular axis 14 and carry out pathization, with the flattening thickness of inlet tube front end 6 is that the mode of h is provided with rake 7, as shown in figure 24, can between rake 7 and gas phase outlet 3, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause the generation of noise, wear problems.In addition, in order to ensure gap delta 1, for example, can before be installed in the lower end of container 1, liquid phase outlet 4 put into the separator of adjusting play δ 1 from its installing hole, so can guarantee predetermined gap δ 1.In addition, the affirmation that guarantee in the gap also can be used introscope.
In order to ensure separating property the gap between inlet tube front end 6 and the container inner wall face 5 is being made under the situation of δ 2=0, as mentioned above, by the abutment points between inlet tube front end 6 and the container inner wall face 5 is carried out butt or joint as abutment points E29, even gas-liquid separation device is because of the vibration of device is vibrated, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause the problem such as generation, wearing and tearing of noise.
[the tenth embodiment]
With Figure 25, Figure 26 the tenth embodiment is described.The tenth embodiment is second embodiment of the invention of two methods narrating in the 9th embodiment.Figure 25 is the cutaway view of expression the tenth embodiment, and Figure 26 is the amplification B-B cross section view of Figure 25.Figure 25 is identical with Fig. 1 basically, with the different point of Fig. 1 is the cutaway view of seeing from inlet tube front end 6 sides of Figure 26, in addition, be to be that the position with inlet tube 2 is faced of the gaseous phase outlet pipe 3 of doo becomes outside diameter d os with the downside pathization by the draw from external diameter of pipe, gaseous phase outlet pipe draw portion 60 is set.By gaseous phase outlet pipe draw portion 60 is set, as shown in figure 26, can between rake 7 and gas phase outlet 3, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.In addition, even 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.The 11 embodiment is the embodiment that has further developed second embodiment narrating in the tenth embodiment.
Figure 27 is the cutaway view of expression the 11 embodiment.Figure 28 is the amplification C-C cross section view of Figure 27.Figure 27 is identical with Figure 25 basically, the point different with Figure 25 be the position of facing with inlet tube 2 from gaseous phase outlet pipe 3 by the draw with the downside pathization, the central shaft 62 that makes gaseous phase outlet pipe draw portion when gaseous phase outlet pipe draw portion 60 is set carries out the eccentric X and the draw from the central shaft 61 of gaseous phase outlet pipe.Central shaft 62 by making gaseous phase outlet pipe draw portion carries out the eccentric X and the draw from the central shaft 61 of gaseous phase outlet pipe, be assembled on the container 1 with respect to the mode that the central shaft of gaseous phase outlet pipe becomes the opposition side of rake 7 with eccentric X, as shown in figure 28, can between rake 7 and gas phase outlet 3, guarantee gap delta 1 fully, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.In addition, except the embodiment that in Figure 25, Figure 27, illustrates, among embodiments of the present invention, also comprise near the scheme of pathization partly of the gaseous phase outlet pipe the abutment points.
[the 12 embodiment]
Figure 29 is the cutaway view of expression the 12 embodiment, and Figure 30 is the cutaway view of another embodiment of expression the 12 embodiment.
The 12 embodiment, as shown in figure 29, by gaseous phase outlet pipe draw portion 60 is set on gaseous phase outlet pipe 3, with the external diameter of gaseous phase outlet pipe 3 as dgo, with the major diameter of ellipse when flattening width W o, in the scope of Wo≤dgo gaseous phase outlet pipe draw portion 60 being become roughly elliptoid mode with its section flattens, and with the major diameter of ellipse and rake 7 almost parallels the mode faced install, the face 66 with the flattening of rake 7 gaseous phase outlet pipe draw portion in opposite directions made is positioned at the structure of inboard in the imagination footpath 65 of the gaseous phase outlet pipe draw portion 60 before flattening, and can further guarantee gap delta 1 between rake 7 and gas phase outlet 3 thus.
Another embodiment of the 12 embodiment, as shown in figure 30, by gaseous phase outlet pipe draw portion 60 is set on gaseous phase outlet pipe 3, with the external diameter of gaseous phase outlet pipe 3 as dgo, with the flattening width of gaseous phase outlet pipe draw portion 60 during as Wo, in the scope of Wo≤dgo gaseous phase outlet pipe draw portion 60 being become roughly the mode of D word shape with its section flattens, and with flattening plane and rake 7 almost parallels the mode faced install, the face 66 with the flattening of rake 7 gaseous phase outlet pipe draw portion in opposite directions made is positioned at the structure of inboard in the imagination footpath 65 of the gaseous phase outlet pipe draw portion 60 before flattening, and can further guarantee gap delta 1 between rake 7 and gas phase outlet 3 thus.
By making said structure, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, and two parts can not collide yet, and can not cause generation, the wear problems of noise.
In addition, in Figure 29, Figure 30, narrated the situation that gaseous phase outlet pipe draw portion 60 is set and gaseous phase outlet pipe draw portion 60 is flattened processing on gaseous phase outlet pipe 3, but carry out under the situation of the eccentric also draw of X at the central shaft 61 of the central shaft 62 that makes gaseous phase outlet pipe draw portion shown in Figure 28, also can obtain same effect even carry out same flattening processing from the gaseous phase outlet pipe.
[the 13 embodiment]
With Figure 31, Figure 32 the 13 embodiment is described.
Figure 31 is the cutaway view of expression the 13 embodiment, and Figure 32 is the D-D cutaway view of Figure 31.Figure 31 is identical with Fig. 1 basically, and the point different with Fig. 1 is the cutaway view of seeing from inlet tube front end 6 sides of Figure 32, and in addition, it is processed to be that the portion 63 of spinning up and down of container 1 carries out eccentric Z ground with respect 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.Direction by the Z off-centre that will carry out with respect to the central shaft 64 of container is as the direction opposite with the rake 7 of inlet tube 2, shown in figure 32, can between rake 7 and gas phase outlet 3, guarantee gap delta 1, even gas-liquid separation device vibrates because of the vibration of device, inlet tube and gas phase outlet vibrate, two parts can not collide yet, and can not cause generation, the wear problems of noise.
[the 14 embodiment]
With Figure 33 the 14 embodiment is described.Figure 33 is the cutaway view that expression possesses the 14 embodiment of the present invention.
In embodiment so far, all be by the rake 7 towards the inlet tube central side is set on the part of gaseous phase outlet pipe 3 sides of inlet tube front end 6, the liquid phase ingredient of two phase flow is easily immediately attached on the container inner wall face 5, realizes the raising of gas-liquid separation performance.
Relative with it, improve in order to make the gas-liquid separation performance, need when flowing out in container 1 from inlet tube front end 6, two phase flow not make liquid phase ingredient become the fine droplets mist as far as possible.Therefore, if on the outflow portion angle of inlet tube front end 6, have burr, then because liquid phase ingredient becomes the fine droplets mist easily, so be chamfer machining or the R processing that is used to remove burr in general idea.But, under the situation of gas-liquid separation device, if carry out chamfer machining or R processing, then when two phase flow flows out to container 1 in from inlet tube front end 6, there is two phase flow because wall attachment effect and the problem that spreads in easy space 17 between container 1 and gas phase outlet 3.
Therefore, as shown in figure 33, by pettiness is set at the inlet tube front end apart from parallel with tubular axis parallel facial 34 of ε, can prevent that burr from producing, when two phase flow flows out in container 1, space 17 diffusions of two phase flow between container 1 and gas phase outlet 3 can be prevented, 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 that has used the situation of the gas-liquid separation device that possesses 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 of the circulation when having represented refrigerating operaton outdoor unit 35 and indoor unit 36.In HTHP vapor phase refrigerant, sneaked into refrigerator oil by compressor 37 compressions, if the refrigerator oil quantitative change of sneaking into 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 efficient reduces.And then when compressor start, the refrigerator oil that has been sealing in the compressor forms foam, and a large amount of refrigerator oils is blended in the vapor phase refrigerant and from compressor and discharges, and flows out to freeze cycle.Special under the situation of distractor-type air conditioner, be provided with the connecting pipings that connects indoor unit and outdoor unit, under the situation of these connecting pipings 38 length, the refrigerator oil that flows out to freeze cycle does not turn back in the compressor immediately, according to service condition, exist refrigerator oil deficiency in the compressor, the reliability of compressor caused the problem of obstacle.
Therefore, Figure 34 is in order to solve above-mentioned problem, compact gas-liquid separation device 39 is set, the figure that seeks to guarantee freeze cycle efficient and guarantee the reliability of compressor on the refrigerant discharge leader of compressor 37.That is, the vapor phase refrigerant of the low-temp low-pressure that is sucked by compressor 37 becomes the HTHP vapor phase refrigerant by compressor 37 compressions, and through refrigerant discharge leader 40, flow into gas-liquid separation device from the inlet tube 2 of gas-liquid separation device 39.Sneaked into refrigerator oil in the HTHP vapor phase refrigerant by compressor 37 compressions, 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 4 and gaseous phase outlet pipe 3 respectively.Adjust restriction 42 from the refrigerator oil that liquid phase outlet 4 comes out through liquid receiver 41, flow, sucked by compressor suction line 43, refrigerator oil turns back in the compressor.The reason that flow adjustment restriction 42 is set is because following cause: under common service condition, because the refrigerator oil of sneaking into the HTHP vapor phase refrigerant of discharging from compressor 37 lacks than vapor phase refrigerant, turn back at leisure in the compressor 37 so will adjust restriction 42 by flow by the refrigerator oil that gas-liquid separation device 39 has carried out separating.In addition, the reason that is provided with liquid receiver 41 is because following cause: because the refrigerator oil that has been sealing into when compressor start in the compressor forms foam, a large amount of refrigerator oils is sneaked in vapor phase refrigerant and is discharged from compressor, but this is temporary transient phenomenon, so will temporarily be deposited in the liquid receiver 41 by the refrigerator oil that gas-liquid separation device 39 has carried out separating, adjust restriction 42 by flow and at leisure refrigerator oil is turned back in the compressor 37.In addition, under the capacious situation of the liquid storing part of gas-liquid separation device, not necessarily need the liquid receiver.
On the other hand, separated vapor phase refrigerant in gas-liquid separation device 39 through cross valves 44, to the air heat release of being carried with pressure fan 46 by condenser, becomes the high pressure liquid cold-producing medium from gaseous phase outlet pipe 3 in condenser 45.This liquid cold-producing medium becomes the two phase flow of low-temp low-pressure by pressure reducer 47 decompressions, enters in the evaporimeter 48, from by capturing heat the air of evaporimeter with pressure fan 49 conveyings, becomes the vapor phase refrigerant of low-temp low-pressure, is sucked by compressor 37.Therefore, in gas-liquid separation device 39, refrigerator oil is separated as liquid phase, adjust restriction 42 from liquid phase outlet 4 through liquid receiver 41, flow, sucked by compressor suction line 43, because refrigerator oil turns back in the compressor, so can when when operation, starting, prevent that 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 that gas-liquid separation device that expression will possess the first to the 14 embodiment of the present invention is applicable to an example of the fluid mechanical device of handling biphase gas and liquid flow.
Specifically, Figure 35 is an aircleaning facility, is to remove the device be blended into the air that airborne stink composition, particulate become to grade dirty composition, obtain cleaning.The foul atmosphere 50 that contains frowziness composition, particulate composition is transported to dirty adsorption chamber 52 by pressure fan 51.On the other hand, 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 from pump 53.Fine water droplets 56 absorption are transported to stink composition, the particulate composition of the foul atmosphere in the dirty adsorption chamber 52, fall downwards, take out from delivery pipe 57.On the other hand, the air that has cleaned takes out from air taking-up portion 58, in this air, because contain a large amount of fine water droplets 56, so in gas-liquid separation device 39, flow into from the inlet tube 2 of gas-liquid separation device 39, fine water droplets 56 is separated, takes out from liquid phase outlet 4, and the air that has 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 based on the scheme that the understanding that obtains by the experiment of using cold-producing medium HFC-410A and refrigerator oil proposes, but its basic idea also goes for the two phase flow that is made of other general gas phase-liquid phases such as HFC series coolant, HFO series coolant, natural cold-producing medium and air-water.
Symbol description:
1: container
2: inlet tube
3: the gaseous phase outlet pipe
4: the liquid phase outlet
5: the container inner wall face
6: the inlet tube front end
7: rake
8: gaseous phase outlet pipe lower end
9: along flowing of rake
10: the gaseous phase outlet pipe side of inlet tube front end
11: vertical center line
12: horizontal center line
13: stream circles round
14: the inlet tubular axis
15: inlet tube line part side
16: the fine droplets mist
17: the space
18: the inclination starting point
19: flange
20: inboard abutment
21: the external diameter of container
22: chamber wall
23: the gap
24: the through hole of container
25: the front end end face
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: the liquid receiver
42: flow is adjusted restriction
43: the compressor suction line
44: cross valve
45: condenser
46: the condenser pressure fan
47: pressure reducer
48: evaporimeter
49: the 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 taking-up 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 of gaseous phase outlet pipe draw portion
63: spinning portion up and down
64: the central shaft of container
65: the imagination footpath
66: the face of the flattening of gaseous phase outlet pipe draw portion.

Claims (15)

1. gas-liquid separation device, horizontal from the top wall of container cylindraceous, from the disalignment of container be provided with the inlet tube of two phase flow, be provided with the gaseous phase outlet pipe that vertically connects in the upper end of container substantial middle, be provided with the liquid phase outlet in the bottom of container, it is characterized in that, in horizontal cross, when the cylindrical container sidewall has inserted the inlet tube of two phase flow, the inlet tube of two phase flow overlaps with the gaseous phase outlet pipe that inserts from this container upper end portion, and in the inlet tube of two phase flow has been crossed 1 quadrant of gaseous phase outlet pipe, constitute the front end of inlet tube of two phase flow and container inner wall in abutting connection with or butt concern size, simultaneously, cross the mode of gaseous phase outlet pipe with the inlet tube front end and inlet tube is installed, be provided with rake to the part of the inlet tube front end of facing with the gaseous phase outlet pipe at inlet tube towards the inlet tube central side in the overlapping mode of the external diameter that prevents inlet tube and gaseous phase outlet pipe from container side.
2. gas-liquid separation device as claimed in claim 1 is characterized in that, will be with the external diameter of the inlet tube of rake as dio, the flattening thickness of inlet tube front end during as h, be made h/dio=0.75 ± 0.1.
3. gas-liquid separation device as claimed in claim 1 is characterized in that, 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, as So, in the time of will flattening thickness as h, makes So＜h in distance that will be from the gaseous phase outlet pipe side of inlet tube front end to the container inner wall face parallel with the inlet tubular axis.
5. gas-liquid separation device as claimed in claim 1 is characterized in that, makes the inclination starting point of inlet tube (2) consistent with the inboard abutment of container and inlet tube or in the inboard at inboard abutment.
6. gas-liquid separation device as claimed in claim 1, it is characterized in that, with inlet tube and the external diameter of pipe container engaging portion as d, a part of pathization with the front of inlet tube to the inlet tube front end, with the external diameter of the front end of inlet tube as dio, the part flattening to the inlet tube front end of path portion is provided with rake, flattens thickness at the front end that with external diameter is the inlet tube of dio and flatten into h, when inlet tube front end width becomes W, make the external diameter of pipe d bigger than W.
7. gas-liquid separation device as claimed in claim 1, it is characterized in that, with inlet tube and the external diameter of pipe container engaging portion as dio, part flattening by near inlet tube front end is provided with rake, and the rake front end done waviness flattening portion flattening the width W direction, make W≤dio.
8. gas-liquid separation device as claimed in claim 1 is characterized in that, with abutment points butt or the joint between the abutment points between inlet tube and the gas phase outlet and inlet tube front end and the container inner wall face.
9. gas-liquid separation device as claimed in claim 1, it is characterized in that, make the center to the part of inlet tube front end of inlet tube carry out the eccentric and pathization of Y, and then rake is set in the mode that the flattening thickness of the inlet tube front end of this pathization becomes h from the inlet tubular axis.
10. gas-liquid separation device as claimed in claim 1, it is characterized in that, with a part of pathization of gaseous phase outlet pipe etc., perhaps make the eccentricity of central axis of the central shaft of path portion in the mode of the distance of the abutment points of guaranteeing gaseous phase outlet pipe and inlet tube with respect to the gaseous phase outlet pipe.
11. gas-liquid separation device as claimed in claim 10, it is characterized in that, gaseous phase outlet pipe path portion is set on the gaseous phase outlet pipe, with the external diameter of gaseous phase outlet pipe as dgo, with the flattening width of gaseous phase outlet pipe path portion during as Wo, in the scope of Wo≤dgo, gaseous phase outlet pipe path portion is flattened, and with the rake almost parallel of flattening plane and inlet tube the mode faced install.
12. gas-liquid separation device as claimed in claim 1, it is characterized in that, the central shaft of gaseous phase outlet pipe carries out Z with respect to the central shaft of cylindrical container to be installed prejudicially, and the direction of the Z off-centre that will carry out with respect to the central shaft of container is installed the gaseous phase outlet pipe as the direction opposite with the rake of inlet tube.
13. gas-liquid separation device as claimed in claim 1 is characterized in that, the parallel face parallel with tubular axis of slight distance ε is set at the inlet tube front end.
14. refrigerating plant, it is characterized in that, compressor discharge pipe in the freeze cycle is connected with the inlet tube of claim 1 to the two phase flow of each described gas-liquid separation device of claim 13, the liquid phase outlet of gas-liquid separation device is adjusted restriction through flow to be connected with the compressor suction line, on the other hand, the pipeline with the condenser in the gaseous phase outlet Guan Yuzhi freeze cycle of gas-liquid separation device connects.
15. a fluid mechanical device is characterized in that, described fluid mechanical device uses claim 1 to each described gas-liquid separation device of claim 13 to handle 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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