CN102641790A - Multi-level supersonic speed cyclone separator - Google Patents
Multi-level supersonic speed cyclone separator Download PDFInfo
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- CN102641790A CN102641790A CN2012100946029A CN201210094602A CN102641790A CN 102641790 A CN102641790 A CN 102641790A CN 2012100946029 A CN2012100946029 A CN 2012100946029A CN 201210094602 A CN201210094602 A CN 201210094602A CN 102641790 A CN102641790 A CN 102641790A
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Abstract
The invention discloses a multi-level supersonic speed cyclone separator. The multi-level supersonic speed cyclone separator comprises a retracting pipe, a supersonic speed condensation pipe and a pressure diffusing pipe which are coaxially communicated from left to right sequentially, wherein the cross section of the retracting pipe is gradually reduced from left to right and is shrunk into a narrow throat from the middle; the supersonic speed condensation pipe is extended from left to right from the narrow throat; the cross section of the supersonic speed condensation pipe is gradually increased from left to right; the cross section of the pressure diffusing pipe is gradually increased from left to right; a rotating mechanism is arranged in the retracting pipe; a flow guide sheet is arranged in the pressure diffusing pipe; and at least two separating outlets are sequentially formed in the supersonic speed condensation pipe from left to right and are respectively connected with separating pipes. The at least two separating outlets are sequentially formed in the supersonic speed condensation pipe from left to right, the separating outlet in the front half section of the supersonic speed condensation pipe is used for separating out a fluid with relatively high boiling point, and the separating outlet in the rear half section of the supersonic speed condensation pipe is used for separating out the fluid with relatively low boiling point, so that the energy loss of high-speed air flow is reduced, and the separation efficiency and the separation purity of gas and liquid are improved.
Description
Technical field
The invention belongs to the cryogenic refrigeration apparatus field, relate in particular to a kind of multistage supersonic speed cyclone separator.
Background technology
See also Fig. 1; Shown in Figure 1 is the sketch map of natural gas supersonic speed cyclone separator of the prior art; This supersonic speed cyclone separator comprises from left to right collapsible tube 91, supersonic speed condenser pipe 92 and the diffuser pipe 93 of coaxial communication successively; The cross section of collapsible tube 91 diminishes gradually from left to right and is shrunk to a narrow larynx 94 to the centre, and supersonic speed condenser pipe 92 is extended by narrow larynx 94 to the right side and cross section becomes greatly gradually, and it is big that diffuser pipe 93 cross sections become from left to right gradually; Be provided with a rotating mechanism 95 in the collapsible tube 91; Be provided with a flow deflector 96 in the diffuser pipe 93, the end of supersonic speed condenser pipe 92 (closing on diffuser pipe 93 places) is provided with the separation outlet 97 of annular, separates outlet 97 and is connected with separator tube 98.
After gases at high pressure (like natural gas) got into collapsible tube 91, gas produced rotation through rotating mechanism 95, according to the Laval nozzle principle; In collapsible tube 91, quicken the axial velocity of gas and near narrow larynx 94, accelerate to the velocity of sound, the spin intensity of gas also can be strengthened simultaneously, behind the entering supersonic speed condenser pipe 92; The axial velocity of gas accelerates to supersonic speed, makes gas quicken cooling, and some gas group branch condenses into drop in temperature-fall period; Because gas rotates, through action of centrifugal force, these drops are thrown on the tube wall of supersonic speed condenser pipe 92; And go out fluid separation applications through the terminal separation outlet 97 of supersonic speed condenser pipe 92 and separator tube 98, do not become the gas of liquid, recover pressure through diffuser pipe 93; And the flow direction of gas is become axially through flow deflector 96, get into downstream line.
This technology mainly is aimed at the separation of fluid-mixing (mainly being gas, like natural gas), and exactly that the solid granule in the fluid-mixing, liquid or boiling point is higher relatively gas is separated.Separate under action of centrifugal force through swirling eddy with liquid for the solid granule in the fluid-mixing, the gas high for boiling point changes into droplet to the high gas of boiling point through gas is lowered the temperature, and under action of centrifugal force, separates then.If the composition that the fluid-mixing mid-boiling point is high is more; Such as main component in the natural gas is methane; Next is hydro carbons (C2+) gases such as ethane, propane, pentane; Separate hydro carbons (C2+) condensation of gas such as ethane, propane, pentane, the gas of a part of boiling point higher (carbon atom is more) can change into liquid earlier, and the gas of boiling point higher (carbon atom is more) possibly just change into liquid at preceding half section (near narrow larynx 94 places) of supersonic speed condenser pipe 92.Therefore, there is following defective in present technology for purification, purification, the separation of multicomponent fluid-mixing (such as natural gas):
(1) gas of some boiling points higher (carbon atom is more) possibly just change into liquid at preceding half section (near narrow larynx 94 places) of supersonic speed condenser pipe 92; These liquid can be followed separation outlet 97 discharges that supersonic flow flows to supersonic speed condenser pipe 92 ends always; Can expend the gas more energy like this; To the development of supersonic flow field with keep unfavorable, cause the separative efficiency of gas-liquid and separation purity low;
(2) if contain solid granule in the fluid-mixing; These solid granules also can get into supersonic speed condenser pipe 92; Also can expend the gas more energy, to the development of supersonic flow field with keep unfavorable, also further cause the separative efficiency of gas-liquid and separation purity low;
(3) fluid of separating through the 92 terminal separation outlets 97 of supersonic speed condenser pipe is a fluid-mixing; Maybe the mixture of hydro carbons fluids such as (C2+) for natural gas; Purity is low; These mixtures also will increase operation through the separation of purifying again of methods such as rectifying, cause production cost high.
Summary of the invention
The object of the present invention is to provide a kind of multistage supersonic speed cyclone separator, solved the separative efficiency and the low problem of separation purity of the gas-liquid of existing supersonic speed cyclone separator.
The present invention realizes like this; A kind of multistage supersonic speed cyclone separator comprises from left to right collapsible tube, supersonic speed condenser pipe and the diffuser pipe of coaxial communication successively, and the cross section of said collapsible tube diminishes gradually from left to right and is shrunk to a narrow larynx to the centre; Said supersonic speed condenser pipe is extended from left to right by said narrow larynx and cross section becomes big gradually; It is big that the cross section of said diffuser pipe becomes from left to right gradually, is provided with a rotating mechanism in the said collapsible tube, is provided with a flow deflector in the said diffuser pipe; Offer at least two on the said supersonic speed condenser pipe from left to right successively and separate outlet, said separation outlet is connected with a separator tube respectively.
Further, also be provided with at least one separation outlet on the said collapsible tube, said separation outlet also is connected with a separator tube.
Particularly, said separator tube is that the center is symmetrical set with said supersonic speed condenser pipe.
Particularly, the cross section of said separator tube becomes big gradually by said separation outlet beginning.
Particularly, the cone angle of said separator tube and said supersonic speed condenser pipe junction is an acute angle.
Multistage supersonic speed cyclone separator provided by the invention; Separate outlet through on the supersonic speed condenser pipe, offering at least two from left to right successively; The preceding half section separation outlet of supersonic speed condenser pipe is used for separating the higher fluid of boiling point; The separation outlet of supersonic speed condenser pipe second half section is used for separating the lower fluid of boiling point, thereby has reduced the energy loss of high velocity air, has improved the separative efficiency and the separation purity of gas-liquid.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of the supersonic speed cyclone separator that provides of prior art;
Fig. 2 is the sketch map of the multistage supersonic speed cyclone separator that provides of the embodiment of the invention one;
Fig. 3 is the sketch map of the multistage supersonic speed cyclone separator that provides of the embodiment of the invention two.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention will be carried out clear, intactly description.
Embodiment one
As shown in Figure 2; The multistage supersonic speed cyclone separator 1 that the embodiment of the invention one provides; It comprises from left to right collapsible tube 11, supersonic speed condenser pipe 12 and the diffuser pipe 13 of coaxial communication successively; The cross section of collapsible tube 11 diminishes gradually from left to right and is shrunk to a narrow larynx 14 to the centre, and supersonic speed condenser pipe 12 is extended from left to right by narrow larynx 14 and cross section becomes greatly gradually, and it is big that the cross section of diffuser pipe 13 becomes from left to right gradually; Be provided with a rotating mechanism 15 in the collapsible tube 11; Be provided with a flow deflector 16 in the diffuser pipe 13, offer at least two on the supersonic speed condenser pipe 12 from left to right successively and separate outlet 17 (a plurality of separation outlets 17 before and after promptly on supersonic speed condenser pipe 12, being provided with), separate outlet 17 and be connected with a separator tube 18 respectively.
After gases at high pressure got into collapsible tube 11, gas rotated after through rotating mechanism 15, and the gas of this moment moves in rotation; Inflow collapsible tube 11 axially quickens the while spin intensity to be increased gradually, and axial velocity reaches the velocity of sound near narrow larynx 14, gets into supersonic speed condenser pipe 12 then; In supersonic speed condenser pipe 12 these sections; The rotation that gas is strong, and reach supersonic speed vertically, promptly Mach number (Ma) is greater than 1.According to the Laval nozzle principle; The static temperature of most of gas (air, natural gas etc.) can drop to very low temperature, is that the multicomponent mist (contains hydrocarbon gas such as methane, ethane, propane such as natural gas if get into the gas of supersonic speed condenser pipe 12; In addition also contain hydrogen sulfide, sulfur dioxide, carbon dioxide, water and some impurity); Because the fusing point of gas with various, boiling point difference, when in supersonic speed condenser pipe 12, reaching the boiling point of certain gas, this gas just begins liquefaction; Because gas is always in strong rotation, the droplet after the liquefaction can be thrown to by powerful centrifugal force on the internal face of supersonic speed condenser pipe 12.
After multicomponent fluid-mixing (such as natural gas) gets into supersonic speed condenser pipe 12; Because boiling point higher (carbon atom is more) fluid has changed into liquid in preceding half section (near the part of narrow larynx 14) of supersonic speed condenser pipe 12; The fluid of boiling point lower (carbon atom is less) just changes into liquid in the second half section of supersonic speed condenser pipe 12 (away from the part of narrow larynx 14); So a plurality of separation outlets 17 before and after on supersonic speed condenser pipe 12, being provided with; The fluid that the 12 preceding half section separation outlets 17 of supersonic speed condenser pipe are used for a boiling point higher (carbon atom is more) is separated, and the fluid that the separation outlet 17 of 12 second half sections of supersonic speed condenser pipe is used for a boiling point lower (carbon atom is less) is separated.
Compare with existing supersonic speed cyclone separator; Multistage supersonic speed cyclone separator 1 of the present invention has the following advantages: the fluid of (1) boiling point higher (carbon atom is more) has changed into liquid in preceding half section (near the part of narrow larynx 14) of supersonic speed condenser pipe 12; Need not follow high velocity air separates from the 12 terminal separation outlets 17 of supersonic speed condenser pipe; Reduced the energy loss of high velocity air; The purity liquid of the boiling point of separating from the preceding half section separation outlet 17 of supersonic speed condenser pipe 12 simultaneously higher (carbon atom is more) is very high, and the purity liquid of the boiling point of separating from the separation outlet 17 of 12 second half sections of supersonic speed condenser pipe lower (carbon atom is less) is also very high; (2) gas that is not liquefied gets into diffuser pipe 13 and carries out the pressure recovery, and through flow deflector 16 flow direction of gas is become axially.
In the present embodiment one, the quantity of said separation outlet 17 will be decided according to the composition of fluid-mixing, as long as all belong to protection scope of the present invention more than or equal to two.
In the present embodiment one, said separator tube 18 is that the center is symmetrical set with supersonic speed condenser pipe 12, and the cross section of separator tube 18 becomes big gradually by separating outlet 17 beginnings, so that the discharge of liquid.
In the present embodiment one, said separator tube 18 is an acute angle with the cone angle of supersonic speed condenser pipe 12 junctions, is convenient to liquid runs down like this and separates outlet 27 discharge in time.
In sum, the multistage supersonic speed cyclone separator 1 that provides of present embodiment one has beneficial effect: higher gas-liquid separation efficient can be realized in (1); (2) improved the purity of separating greatly; (3) owing to the flow field of supersonic speed section is well improved, so reduced the loss of gas gross energy; (4) use, easy and simple to handle, control easily; (5) there is not consumable accessory, long service life; (6) owing to there is not moving component, belong to static equipment, so safe and reliable.
Embodiment two
As shown in Figure 3; The multistage supersonic speed cyclone separator 2 that the embodiment of the invention two provides; The multistage supersonic speed cyclone separator 1 that itself and embodiment one provide is roughly the same; Institute's difference is: also be provided with at least one separation outlet 27 on the collapsible tube 21 of the multistage supersonic speed cyclone separator of present embodiment two, separate outlet 27 and also be connected with a separator tube 28.Through at least one separation outlet 27 is set at collapsible tube 21; Liquid in the gases at high pressure that do not reach velocity of sound in accommodating pipe 21 will be discharged from the outlet 27 that separates on the collapsible tube 21 with solid impurity; These liquid need not be followed high velocity air with solid impurity and discharged from the outlet 27 that separates on the supersonic speed condenser pipe 22; Further reduce the energy loss of high velocity air, and then can promote to realize higher gas-liquid separation efficient, improved the purity of separating.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also are regarded as protection scope of the present invention.
Claims (5)
1. multistage supersonic speed cyclone separator; Comprise from left to right the collapsible tube of coaxial communication, supersonic speed condenser pipe and diffuser pipe successively, the cross section of said collapsible tube diminishes gradually from left to right and is shrunk to a narrow larynx to the centre, and said supersonic speed condenser pipe is extended from left to right by said narrow larynx and cross section becomes big gradually; It is big that the cross section of said diffuser pipe becomes from left to right gradually; Be provided with a rotating mechanism in the said collapsible tube, be provided with a flow deflector in the said diffuser pipe, it is characterized in that; Offer at least two on the said supersonic speed condenser pipe from left to right successively and separate outlet, said separation outlet is connected with a separator tube respectively.
2. multistage supersonic speed cyclone separator according to claim 1 is characterized in that, also is provided with at least one separation outlet on the said collapsible tube, and said separation outlet also is connected with a separator tube.
3. multistage supersonic speed cyclone separator according to claim 1 and 2 is characterized in that, said separator tube is that the center is symmetrical set with said supersonic speed condenser pipe.
4. multistage supersonic speed cyclone separator according to claim 3 is characterized in that, the cross section of said separator tube becomes big gradually by said separation outlet beginning.
5. multistage supersonic speed cyclone separator according to claim 4 is characterized in that, the cone angle of said separator tube and said supersonic speed condenser pipe junction is an acute angle.
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Cited By (3)
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CN108452594A (en) * | 2017-02-17 | 2018-08-28 | 通用电气公司 | Gas-liquid separation device and method |
CN108514805A (en) * | 2018-05-03 | 2018-09-11 | 闫家义 | Non-concentric variable cross-section GWF devices |
CN110129105A (en) * | 2018-11-28 | 2019-08-16 | 陆庆飞 | A kind of liquefaction of supersonic speed and helical flow separator |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108514805B (en) * | 2018-05-03 | 2021-12-28 | 闫家义 | High-speed vortex flow gas separation device |
CN110129105A (en) * | 2018-11-28 | 2019-08-16 | 陆庆飞 | A kind of liquefaction of supersonic speed and helical flow separator |
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