CN105194910A - Liquid degassing conveying system - Google Patents
Liquid degassing conveying system Download PDFInfo
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- CN105194910A CN105194910A CN201510703662.XA CN201510703662A CN105194910A CN 105194910 A CN105194910 A CN 105194910A CN 201510703662 A CN201510703662 A CN 201510703662A CN 105194910 A CN105194910 A CN 105194910A
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- liquid
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- cyclone separator
- induction system
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Abstract
A disclosed liquid degassing conveying system comprises an original-liquid tank, a cyclone separator and a liquid-conveying pump for conveying a liquid in the original-liquid tank to the inlet of the cyclone separator, and the liquid-conveying pump employs a positive displacement pump. By employing the positive displacement pump as the liquid-charging pump of the cyclone separator, the application scope is wide, and the system gives play to extremely good conveying supercharging effect on a gas-liquid mixed fluid with high gas hold-up, helps to effectively improve separation effect, and is simple in structure and convenient to use.
Description
Technical field
The present invention relates to liquid degassing technical field, particularly a kind of liquid degassing induction system.
Background technology
In the food industry, fruit drink, in the process of squeezing the juice and stir, can be mixed into more air.Aborning, usually need these gases removed in liquid, to prevent fruit juice to be oxidized, extend storage period.And in field of petroleum exploitation, along with going deep into of field produces exploitation, in natural gas production, the rate of climb of its moisture content is accelerated year by year.Gas-liquid separation in above-mentioned industry and the problem of process thereof are also more and more outstanding and important.
Degas system (gas-liquid separation) industrially has a wide range of applications, degasser common in industry is degassing tower, publication number is that the Chinese patent literature of CN204675852U discloses a kind of efficient backflow formula degassing tower, comprise: tower body, water inlet, delivery port, water inlet is arranged on tower body upper end, delivery port is arranged on tower body lower end, packing layer is provided with in tower body, on on the tower body of packing layer lower end, air blast is installed, reflux is provided with on the upside of packing layer, reflux is connected on the tower body on the downside of packing layer by return duct, water collector is provided with on the downside of packing layer.The backflow operation characteristic of this use water improves degasifying effect.
Along with the requirement of industrial production to gas-liquid separation effect is more and more higher, how to improve the separative efficiency of gas-liquid separation induction system further, simplied system structure, is still the future thrust of gas-liquid separation conveying device.For this reason, publication number is that the Chinese patent literature of CN102764703A discloses a kind of cyclone separator, this cyclone separator mainly comprises entrance, disengagement chamber and two outlets, two outlets keep environment under low pressure (vacuum environment), wherein, make the outlet away from entrance point realize the preferred water pump of equipment or other pumping equipments of environment under low pressure, make the outlet near entrance point realize the equipment preferred lower pressure pipeline of environment under low pressure, vavuum pump or water pump.This invention makes improvement to existing cyclone separator, makes its internal liquid generation cavitation, and the concentration utilizing a large amount of cavitation bubbles produced to achieve the thing that dissolves each other is separated.
Said apparatus mainly transforms the outlet of swirl-flow devices to improve separating effect, but requires very high to the tightness of equipment, and this adds the manufacturing cost of equipment undoubtedly.
In prior art, liquid carried by normal use centrifugal pump, but when in stoste, gas volume fraction is higher, the effect of cyclone separator separating liquid is used to decline, do not reach original separating effect, particularly after the gas volume fraction of stoste is higher than 10%, the separating effect in conjunction with the cyclone separator of centrifugal pump declines obviously; The present invention selects positive displacement pump as infusion pump, for carrying stoste to gas-liquid separator, when the gas volume fraction of stoste is larger, still has good gas-liquid separation effect.
The operation principle of positive displacement pump is: rely on the motion of workpiece to cause swept volume periodically increase and reduce and suction liquid, and lean on the extruding of workpiece and directly make the pressure energy of liquid increase.Difference according to moving component motion mode is divided into again: reciprocating pump and drum pump two class.Have according to moving component structure difference: piston pump, plunger displacement pump, gear pump, screw pump, vane pump and water ring pump.Conveniently manufacture and reduce manufacturing cost, preferably, described positive displacement pump is screw pump or gear pump.
In order to improve feed liquor flow velocity, ensure the fabric width that liquid tangentially flows into simultaneously, preferably, the feed tube that described gas-liquid separator comprises whirl cylinder, is arranged on the tangential inlet on whirl cylinder and is connected with tangential inlet, described tangential inlet comprises feed tube and connects with the tangent phase segment be connected of whirl cylinder barrel and head and the tail the encirclement section that this phase segment forms tangential inlet, and described encirclement section is connected with and is positioned at whirl cylinder for reducing the extension baffle plate of tangential inlet.Extend baffle plate and reduce to reduce tangential inlet by arranging and do not reduce the fabric width that liquid tangentially flows into, i.e. the length of phase segment.
In order to make liquid can speedup smoothly, reduce noise and vibration, improve gas-liquid separation effect, preferably, described extension baffle plate be curved slab, bends along liquid flow direction.
Be close to whirl cylinder inwall to make liquid tangentially to flow into, preferably, described tangential inlet is rectangle, and described phase segment is the long limit of rectangle, and another long limit of rectangle connects described extension baffle plate.
Extend the buffering effect of baffle plate to improve, preferably, the radius of curvature of described curved slab is 1 ~ 2 with whirl cylinder at the ratio of the radius of the cross section at tangential inlet place.Radius of curvature is excessive or too small, and buffering effect all can be made to decline.
Preferably, described cyclone separator adopts pipe cone type separator, the tail end of described pipe cone type separator is mouth spray, described mouth spray connects reducing pipe, the large end of described reducing pipe docks with mouth spray, and the area of passage of large end is greater than the area of passage of mouth spray, the small end of described reducing pipe is liquid outlet.It is less that mouth spray can arrange by said structure, thus ensure that liquid sprays from mouth spray with larger speed, squeezes out gas wherein further, improve gas-liquid separation effect.
In order to improve separating effect further, preferably, the gas vent of described cyclone separator is connected with vavuum pump.Vavuum pump work makes to form low pressure in cyclone separator, thus makes gas more easily separated.Pipeline between the gas vent of described cyclone separator and vavuum pump is provided with control valve with bleeding regulating amount size.The type of vavuum pump can be selected according to stoste kind, physical property, required separating pressure.
Beneficial effect of the present invention:
Liquid degassing induction system of the present invention carries out supercharging by positive displacement pump to stoste, applied widely, can play and well carry pressurized effect, effectively improve separating effect, and overall structure is simple, easy to use to the gas-liquid mixture fluid of high gas holdup.
Summary of the invention
The invention provides a kind of liquid degassing induction system, structure is simple, applied widely, has good gas-liquid separation effect.
A kind of liquid degassing induction system, comprise original fluid container, cyclone separator and the liquid of original fluid container is sent into the infusion pump of cyclone separator entrance, described infusion pump adopts positive displacement pump.
Native system in use, by positive displacement pump, the gas-liquid mixture fluid supercharging in original fluid container is transferred out, gas-liquid mixture fluid tangentially injects cyclone separator inside at a high speed, and form the pendular ring of High Rotation Speed, gas and liquid realize being separated under the influence of centrifugal force.
Accompanying drawing explanation
Fig. 1 is the Structure and Process schematic diagram of present system.
Fig. 2 is the structural representation of cyclone separator of the present invention.
Fig. 3 is the schematic top plan view of Fig. 2.
Wherein: 1, original fluid container; 2, screw pump; 3, cyclone separator; 4, vavuum pump; 5, liquid delivery pump; 6, air accumulator; 7, fluid reservoir; 8, stoste outlet valve; 9, control valve; 10, control valve; 101, original fluid container outlet; 201, screw pump entrance; 202, screw pump outlet; 301, cyclone separator entrance; 302, wireway outlet; 303, liquid outlet; 401, vacuum pump inlet; 402, vacuum pump outlet; 501, Liquid transfer pump intake; 502, Liquid transfer pump discharge; 601, air accumulator entrance; 701, fluid reservoir entrance; 801, whirl cylinder; 802, tangential inlet; 803, feed tube; 804, baffle plate is extended; 805, funnel portion; 806, reducing pipe; 807, wireway.
Detailed description of the invention
As shown in Figure 1, the degassed induction system of gas-liquid of the present embodiment, comprises original fluid container 1, screw pump 2, cyclone separator 3, vavuum pump 4, liquid delivery pump 5, air accumulator 6, fluid reservoir 7.Wherein screw pump 2 also can adopt the positive displacement pump of other types.Air accumulator 6 and fluid reservoir 7 can according to the demand increases and decreases of the material gathered.
Gas-liquid mixture fluid is filled with in original fluid container 1, below is provided with original fluid container outlet 101, original fluid container outlet 101 is connected by pipeline with screw pump entrance 201, and pipeline between original fluid container outlet 101 and screw pump entrance 201 is provided with stoste outlet valve 8, for controlling fluid flowing.
When original fluid container place pressure is higher, screw pump supercharging can not be needed, directly utilize upstream pressure to provide the power of cyclone separator.Screw pump outlet 202 is connected with cyclone separator entrance 301 by pipeline.Gas-liquid mixture fluid in original fluid container pressurizes and is delivered to cyclone separator entrance 301 by screw pump 2.
Cyclone separator entrance 301 is positioned at above cyclone separator 3, and Way in is tangential along the circumference of cyclone separator 3.It is inner that gas-liquid mixture fluid tangentially injects at a high speed cyclone separator 3, and form the pendular ring of High Rotation Speed, gas and liquid realize being separated under the influence of centrifugal force.
The optional pipe column type of type of cyclone separator 3 and pipe cone type, select pipe cone type separator in the present embodiment, can improve gas-liquid separation effect further.
In order to improve feed liquor flow velocity, ensure the fabric width that liquid tangentially flows into simultaneously, the feed tube 803 that gas-liquid separator 3 comprises whirl cylinder 801, is arranged on the tangential inlet 802 on whirl cylinder 801 and is connected with tangential inlet 802, in the present embodiment, tangential inlet 802 is rectangle, a long limit of rectangle is connected with whirl cylinder 801 barrel is tangent, and another long limit of rectangle is connected with and is positioned at whirl cylinder 801 for reducing the extension baffle plate 804 of tangential inlet 802; Extending baffle plate 804 is curved slab, bends along liquid flow direction, and the radius of curvature of curved slab is 1.5 with whirl cylinder 801 at the ratio of the radius of the cross section at tangential inlet 802 place.
The tail end of the funnel portion 805 of pipe cone type separator is mouth spray, and mouth spray connects reducing pipe 806, and the large end of reducing pipe 806 docks with mouth spray, and the area of passage of large end is greater than the area of passage of mouth spray, and the small end of reducing pipe 806 is liquid outlet 303.It is less that mouth spray can arrange by said structure, thus ensure that liquid sprays from mouth spray with larger speed, squeezes out gas wherein further, improve gas-liquid separation effect in whirl cylinder 801.
Wireway 807 is provided with above cyclone separator 3, wireway outlet 302 is connected with vacuum pump inlet 401, and wireway outlet 302 and vacuum pump inlet 401 between pipeline on be provided with control valve 9, for regulating the vacuum of cyclone separator 3 inside, vacuum pump outlet 402 is connected with air accumulator entrance 601, and gas drains into air accumulator 6 by vavuum pump 4.
Liquid outlet 303 is connected with Liquid transfer pump intake 501 by pipeline, and pipeline between liquid outlet 303 and Liquid transfer pump intake 501 is provided with control valve 10, for the fluid flow regulating cyclone separator 3 to export, Liquid transfer pump discharge 502 is connected by pipeline with fluid reservoir entrance 701, liquid delivery pump 5 by Liquid transfer to fluid reservoir 7.
Vavuum pump 4 is selected according to stoste kind, physical property, required separating pressure, selects liquid-ring vacuum pump in the present embodiment.Whether fluid reservoir 7 and air accumulator 6 are selected to use according to actual condition, when gas phase in mixed fluid be air or innocuous gas and without the need to storing time, in vavuum pump, gas can directly be discharged, then air accumulator 6 is without the need to using.
Claims (8)
1. a liquid degassing induction system, comprise original fluid container, cyclone separator and the liquid of original fluid container is sent into the infusion pump of cyclone separator entrance, it is characterized in that, described infusion pump adopts positive displacement pump.
2. liquid degassing induction system as claimed in claim 1, it is characterized in that, described positive displacement pump is screw pump or gear pump.
3. liquid degassing induction system as claimed in claim 1 or 2, it is characterized in that, the feed tube that described gas-liquid separator comprises whirl cylinder, is arranged on the tangential inlet on whirl cylinder and is connected with tangential inlet, described tangential inlet comprises feed tube and connects with the tangent phase segment be connected of whirl cylinder barrel and head and the tail the encirclement section that this phase segment forms tangential inlet, and described encirclement section is connected with and is positioned at whirl cylinder for reducing the extension baffle plate of tangential inlet.
4. liquid degassing induction system as claimed in claim 3, it is characterized in that, described extension baffle plate is curved slab, bends along liquid flow direction.
5. liquid degassing induction system as claimed in claim 4, it is characterized in that, described tangential inlet is rectangle, and described phase segment is the long limit of rectangle, and another long limit of rectangle connects described extension baffle plate.
6. liquid degassing induction system as claimed in claim 4, is characterized in that, the radius of curvature of described curved slab is 1 ~ 2 with whirl cylinder at the ratio of the radius of the cross section at tangential inlet place.
7. liquid degassing induction system as claimed in claim 1 or 2, it is characterized in that, described cyclone separator adopts pipe cone type separator, the tail end of described pipe cone type separator is mouth spray, described mouth spray connects reducing pipe, the large end of described reducing pipe docks with mouth spray, and the area of passage of large end is greater than the area of passage of mouth spray, and the small end of described reducing pipe is liquid outlet.
8. liquid degassing induction system as claimed in claim 1 or 2, it is characterized in that, the gas vent of described cyclone separator is connected with vavuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510703662.XA CN105194910B (en) | 2015-10-26 | 2015-10-26 | A kind of liquid degassing induction system |
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| CN201510703662.XA CN105194910B (en) | 2015-10-26 | 2015-10-26 | A kind of liquid degassing induction system |
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| CN105194910A true CN105194910A (en) | 2015-12-30 |
| CN105194910B CN105194910B (en) | 2017-08-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265542A (en) * | 2017-08-18 | 2017-10-20 | 河北科瑞达仪器科技股份有限公司 | A kind of water route gas fractionation unit and method |
| CN114458623A (en) * | 2021-12-22 | 2022-05-10 | 中国海洋石油集团有限公司 | Centrifugal preposed degassing pump and degassing process flow experimental equipment |
| CN114887356A (en) * | 2022-04-24 | 2022-08-12 | 新希望乳业股份有限公司 | Bubble removing equipment and method |
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| CN1068970A (en) * | 1991-05-02 | 1993-02-17 | 康诺科专业用品公司 | Wet cyclone |
| CN1212635A (en) * | 1996-02-29 | 1999-03-31 | 国际壳牌研究有限公司 | Method for separating liquid from slurry and process for preparation of hydrocarbons |
| US6096789A (en) * | 1998-04-23 | 2000-08-01 | Agip Petroli S.P.A. | Process for the preparation of hydrocarbons from synthesis gas |
| CN203044188U (en) * | 2012-12-31 | 2013-07-10 | 上海远跃制药机械股份有限公司 | Volute cyclone separator |
| CN103249462A (en) * | 2010-09-20 | 2013-08-14 | 安捷伦科技有限公司 | System and process for an active drain for gas-iquid separators |
| CN205307879U (en) * | 2015-10-26 | 2016-06-15 | 杭州鼎流科技有限公司 | Liquid degasification conveying system |
-
2015
- 2015-10-26 CN CN201510703662.XA patent/CN105194910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068970A (en) * | 1991-05-02 | 1993-02-17 | 康诺科专业用品公司 | Wet cyclone |
| CN1212635A (en) * | 1996-02-29 | 1999-03-31 | 国际壳牌研究有限公司 | Method for separating liquid from slurry and process for preparation of hydrocarbons |
| US6096789A (en) * | 1998-04-23 | 2000-08-01 | Agip Petroli S.P.A. | Process for the preparation of hydrocarbons from synthesis gas |
| CN103249462A (en) * | 2010-09-20 | 2013-08-14 | 安捷伦科技有限公司 | System and process for an active drain for gas-iquid separators |
| CN203044188U (en) * | 2012-12-31 | 2013-07-10 | 上海远跃制药机械股份有限公司 | Volute cyclone separator |
| CN205307879U (en) * | 2015-10-26 | 2016-06-15 | 杭州鼎流科技有限公司 | Liquid degasification conveying system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265542A (en) * | 2017-08-18 | 2017-10-20 | 河北科瑞达仪器科技股份有限公司 | A kind of water route gas fractionation unit and method |
| CN107265542B (en) * | 2017-08-18 | 2023-02-03 | 河北科瑞达仪器科技股份有限公司 | Waterway gas separation device and method |
| CN114458623A (en) * | 2021-12-22 | 2022-05-10 | 中国海洋石油集团有限公司 | Centrifugal preposed degassing pump and degassing process flow experimental equipment |
| CN114458623B (en) * | 2021-12-22 | 2023-10-20 | 中国海洋石油集团有限公司 | Centrifugal front-mounted degassing pump and degassing process flow experimental equipment |
| CN114887356A (en) * | 2022-04-24 | 2022-08-12 | 新希望乳业股份有限公司 | Bubble removing equipment and method |
| CN114887356B (en) * | 2022-04-24 | 2023-10-31 | 新希望乳业股份有限公司 | Bubble removal equipment and method |
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| CN105194910B (en) | 2017-08-15 |
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