CN108465301B - Combined cyclone deflection large-caliber gas-liquid compound separation device of gas compressor - Google Patents
Combined cyclone deflection large-caliber gas-liquid compound separation device of gas compressor Download PDFInfo
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- CN108465301B CN108465301B CN201810432900.1A CN201810432900A CN108465301B CN 108465301 B CN108465301 B CN 108465301B CN 201810432900 A CN201810432900 A CN 201810432900A CN 108465301 B CN108465301 B CN 108465301B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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Abstract
Gas compressor combination formula whirlwind baffling heavy-calibre gas-liquid is compound separator, fixed whirlwind fin (3) of circumference on casing (1) inner wall of air inlet (2) upper portion exit position downside in casing (1), fixed baffling board (4) of circumference on casing (1) inner wall of whirlwind fin (3) downside, fixed honeycomb duct (6) are erect to middle part in casing (1), adopt the mode that whirlwind formula and baffling formula combined together, carry out twice separation to the comdenstion water, make the separation more thorough. The heavy-calibre admits air, reduces the velocity of flow, prevents the intracavity turbulent flow. The flow velocity of the gas in the cavity is low, and the gas flow is blocked to take away the moisture. Reducing the vibration caused by gas pulsation. The damage of liquid impact to the cylinder and the piston is prevented, the abrasion of the cylinder and a sealing piece is reduced, the separation effect is outstanding, the requirements of HG/T20570.8 (design of gas-liquid separator) are met, and the normal operation of a compressor unit can be ensured. The service performance and the service life of the compressor and even the whole system are improved.
Description
Technical Field
The invention relates to a structure improvement technology of a gas-liquid separation auxiliary device of gas compressor equipment, belongs to the technical field of combined instruments for separating particles from gas or steam by B01D50/00 in IPC classification, and particularly relates to a combined cyclone baffling large-aperture gas-liquid double separation device of a gas compressor.
Background
The gas-liquid separator can be arranged at the inlet and outlet of the gas compressor for gas-liquid separation, gas phase demisting after the condensation cooler on the top of the fractionating tower, and gas phase demisting of various gas washing towers, absorption towers and desorption towers. The gas-liquid separator can also be applied to various industrial and civil application occasions such as gas dust removal, oil-water separation, liquid impurity removal and the like. The gas-liquid separator adopts a plurality of separation structures, and the separation method also comprises the following steps: gravity settling, baffling separation, centrifugal force separation, silk screen separation, ultrafiltration separation, filler separation and the like. During the cooling or pressurizing process of the saturated gas, a part of condensable gas components can form small liquid drops and flow along with the gas. The gas-liquid separator is used for treating gas containing a small amount of condensate to realize condensate recovery or gas phase purification. The structure of the device is generally a pressure container, and related gas inlet components and droplet catching components are arranged in the pressure container. Typically, the gas is discharged from the upper portion and the liquid phase is collected from the lower portion. The gas-liquid separating tank utilizes internal components such as a wire mesh defoaming or a baffling baffle plate to further condense and discharge liquid carried in gas so as to achieve the effect of removing the liquid.
The common gas-liquid separator has a single structure, and the separation volume is small, so that incomplete separation or untimely discharge is easily caused.
Related patent documents are less in disclosure, chinese patent application 201720956198.X discloses a gas-liquid separator applied to an air compressor, which is characterized in that the gas-liquid separator comprises an outer shell, a gas inlet is formed in the left side of the upper end of the outer shell, a flow regulating valve is arranged at the gas inlet, a guide plate is arranged on the inner wall of the left side of the outer shell, the guide plate vertically extends downwards and then horizontally bends leftwards to extend, a flow stabilizing plate is horizontally stacked in the center of the outer shell, a gas outlet is formed in the right side of the upper end of the outer shell, a wire mesh is arranged at the lower part of the gas outlet, an oil collecting.
Chinese patent application 201110201421.7 provides a gas-liquid separator comprising a housing assembly having an interior defining a housing cavity; the air inlet pipe assembly and the air outlet pipe assembly are respectively communicated with the inner cavity of the shell; the shell assembly comprises a shell, the shell comprises an outer shell and an inner shell, and an accommodating space for penetration is formed on the inner side of the inner shell.
The general separator adopts a single separation mode, and incomplete separation is easily caused. The gas inlet has a high flow velocity, which easily causes the gas to form turbulent flow after entering the separator. Moreover, the size of the cylinder structure is not enough, and the separation is not in time in the southern areas with high humidity. The water content is high, and when the gas velocity of flow is higher, ordinary backplate can not prevent well that the comdenstion water that separates from splashing, even along with the gas backward flow.
Disclosure of Invention
The invention aims to provide a combined cyclone baffling large-caliber gas-liquid composite separation device of a gas compressor, which changes the motion track of liquid drops, is easier to separate from gas and is beneficial to improving the separation efficiency.
The aim of the invention is achieved by the following technical measures: comprises a shell, an air inlet, cyclone fins, a baffle plate, a flow guide pipe, a backflow baffle plate, an air outlet, a sewage discharge outlet and a water storage area; the shell is in a vertical round pipe shape, an air inlet is fixed on the outer wall of the upper part of the shell, an air outlet is fixed on the top of the shell, cyclone fins are circumferentially fixed on the inner wall of the shell on the lower side of an outlet position at the upper part in the shell by the air inlet, the included angle between a cyclone channel formed by any two adjacent cyclone fin interlayers and the vertical central axis of the shell is 35-55 degrees, baffle plates are circumferentially fixed on the inner wall of the shell on the lower side of the cyclone fins, a guide pipe is vertically fixed in the middle of the shell, the lower end of the guide pipe is opened on the lower side of the baffle plates, the outer wall of the upper end of the guide pipe is fixed on the inner wall in the shell, which is higher than the air inlet, in addition, a backflow baffle plate is fixedly connected on the upper side, the upper end opening of the sewage draining outlet is arranged in the water storage area.
In particular, the air inlet is vertically fixed on the outer wall of the shell, and the horizontal center line of the air inlet does not intersect with the vertical central axis of the shell.
In particular, the inner diameter of the shell is larger than that of the air inlet, the inner diameter of the air inlet is larger than that of the guide pipe, and the inner diameter of the guide pipe is larger than that of the air outlet.
In particular, a plurality of baffle plates which are at least divided into two layers at least at the upper part and the lower part are horizontally fixed on the inner wall of the shell, and the fixed positions of any two adjacent baffle plates are staggered.
Particularly, the upper side of the water storage area and the lower side of the baffle plate are provided with splash-proof baffles, and the edges of the splash-proof baffles are fixed on the inner wall of the shell.
Particularly, the cyclone fins and the baffle plates are respectively and fixedly connected between the outer wall of the guide pipe and the inner wall of the shell.
Particularly, a liquid guide pipe is vertically fixed on the inner wall of the shell, the lower end opening of the liquid guide pipe is arranged in the water storage area, and the upper end opening of the liquid guide pipe is arranged at the top of the shell communicated with the upper end opening of the flow guide pipe.
Particularly, a sewage discharge electromagnetic valve is arranged on the sewage discharge outlet.
Particularly, the air inlet is obliquely provided with a guide plate at the upper outlet position in the shell, the periphery of the guide plate is fixedly connected on the inner wall of the shell in a sealing way, and the inclination angle of the guide plate is 35-55 degrees.
The invention has the advantages and effects that: the method combines the cyclone type and the baffling type to separate the condensed water twice, so that the separation is more thorough. The inner diameter of the shell is large, so that the flow velocity of the gas in the cavity is low, and the gas flow can not carry away moisture. The heavy-calibre admits air, reduces the velocity of flow, prevents the intracavity turbulent flow. The contact area of the gas-liquid separator and the compressor is effectively increased, and the vibration caused by gas pulsation is reduced. After the separation is completed, a higher lift range is adopted, so that the air flow is not easy to bring the water to the air outlet. The separating effect is excellent, the damage of the liquid impact on the cylinder and the piston is prevented, the abrasion of the cylinder and the sealing element is reduced, and the service life of the quick-wear part can be prolonged. The requirements of HG/T20570.8 design of gas-liquid separator are met, and the normal operation of the compressor unit can be ensured. The service performance and the service life of the compressor and even the whole refrigerating system are improved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
The reference numerals include:
the device comprises a shell 1, an air inlet 2, cyclone fins 3, a baffle plate 4, a splash-proof baffle plate 5, a flow guide pipe 6, a backflow baffle plate 7, an air outlet 8, a liquid guide pipe 9, a sewage discharge outlet 10, a water storage area 11 and a flow guide plate 12.
Detailed Description
The principle of the invention lies in that a good flow guiding and separating structure is designed to prevent airflow turbulence. The butterfly-shaped guard plate and the high lift form are adopted, so that separated water is prevented from flowing back along with gas, and double insurance is formed. The flow velocity in the cavity is reduced, and the separation is convenient. The form of cyclone and multiple impact separation is adopted, the moisture in the compressed air is discharged as much as possible, and the abrasion and the fault of the compressor are reduced.
The invention completely accords with the gas-liquid separator design of HG/T20570.8. HG/T20570.8 "design of gas-liquid separator" provides reference to the design parameters of the separator, which are strictly performed according to this standard. According to the standard requirements of HG/T20570.8 gas-liquid separator, the structure characteristics of each separator are combined, and the device has practical significance for timely separating and discharging condensed water after gas compression and cooling and preventing the condensed water from entering a next-stage cylinder to cause abrasion of the cylinder and a sealing piece.
The invention comprises the following steps: the device comprises a shell 1, an air inlet 2, cyclone fins 3, a baffle plate 4, a flow guide pipe 6, a backflow baffle 7, an air outlet 8, a sewage outlet 10 and a water storage area 11.
The invention is further illustrated by the following figures and examples.
Example 1: as shown in the attached figure 1, the shell 1 is in a vertical round tube shape, the outer wall of the upper part of the shell 1 is fixed with the air inlet 2, the top of the shell 1 is fixed with the air outlet 8, the air inlet 2 is circumferentially fixed with the cyclone fins 3 on the inner wall of the shell 1 at the lower side of the upper part outlet position in the shell 1, the included angle between the cyclone channel formed by the interlayer of any two adjacent cyclone fins 3 and the vertical middle shaft of the shell 1 is 35-55 degrees, the baffle plate 4 is circumferentially fixed on the inner wall of the shell 1 at the lower side of the cyclone fins 3, the middle part in the shell 1 is vertically fixed with the flow guide tube 6, the lower end opening of the flow guide tube 6 is arranged at the lower side of the baffle plate 4, the outer wall of the upper end of the flow guide tube 6 is fixed on the inner wall higher than the air inlet 2 in the shell, a water storage area 11 is arranged at the bottom in the shell 1, namely the lower side of the baffle plate 4, a sewage outlet 10 is fixedly arranged at the outer bottom of the shell 1, and the upper end of the sewage outlet 10 is opened in the water storage area 11.
In the foregoing, the air inlet 2 is vertically fixed on the outer wall of the casing 1, and the horizontal center line of the air inlet 2 does not intersect with the vertical central axis of the casing 1.
In the foregoing, the inner diameter of the shell 1 is larger than the inner diameter of the gas inlet 2, the inner diameter of the gas inlet 2 is larger than the inner diameter of the flow guide pipe 6, and the inner diameter of the flow guide pipe 6 is larger than the inner diameter of the gas outlet 8.
In the above, a plurality of baffle plates 4 at least two layers of which are arranged at least up and down are horizontally fixed on the inner wall of the casing 1, and the fixing positions of any two adjacent baffle plates 4 are staggered.
In the foregoing, the splash-proof baffles 5 are installed on the upper side of the water storage region 11 and the lower side of the baffle plate 4, and the edges of the splash-proof baffles 5 are fixed on the inner wall of the casing 1.
In the foregoing, the cyclone fins 3 and the baffle plates 4 are respectively fixedly connected between the outer wall of the draft tube 6 and the inner wall of the housing 1.
In the above, the liquid guide tube 9 is vertically fixed on the inner wall of the shell 1, the lower end of the liquid guide tube 9 is opened in the water storage area 11, and the upper end of the liquid guide tube 9 is opened at the top of the shell 1 communicated with the upper end of the flow guide tube 6.
In the foregoing, the drain outlet 10 is provided with a drain electromagnetic valve. PLC intelligent control blowdown solenoid valve.
In the foregoing, the air inlet 2 is provided with the air deflector 12 at the upper outlet position in the housing 1 in an inclined manner, the periphery of the air deflector 12 is fixedly connected to the inner wall of the housing 1 in a sealing manner, and the inclined angle of the air deflector 12 is 35-55 degrees.
In the embodiment of the invention, the separation mode combines a cyclone type and a baffling type, so that condensed water generated after high-pressure air is cooled can be fully separated, the gas has lower flow velocity in the separator by utilizing larger volume, the turbulent flow of the gas flow in the separator can be reduced, and water drops are easy to splash in the separator due to the turbulent flow; meanwhile, the water storage area 11 with a large volume is configured, the PLC intelligently controls the sewage discharge electromagnetic valve, the discharge time and the interval time can be adjusted according to the working condition, the separated condensate water can be discharged in time, the liquid impact condition can be effectively prevented, the influence on the normal operation of the unit is reduced, the service lives of an air valve and a sealing ring of a quick-wear part can be prolonged, and the use cost of a customer is reduced.
The working principle of the embodiment of the invention comprises the following steps: the gas enters the shell 1 from the gas inlet 2, the gas is rotated through the cyclone fins 3, most of water and air in the gas can be separated, the gas is separated through impact of the baffle plate 4, the water and the air are attached to the baffle plate 4, and the air flows downwards in a downstream manner and collides with the anti-splashing baffle plate 5; and then baffling towards the flow guide pipe 6, wherein in the baffling and rising process of the flow guide pipe 6, the water gas with larger specific gravity can impact the backflow baffle 7 again, and the air flows out of the flow guide pipe 6 from the side edge of the backflow baffle 7 and then flows out through the air outlet 8.
The embodiment of the invention adopts a form of cyclone and multiple impact separation, discharges the moisture in the compressed air as much as possible, and reduces the abrasion and the fault of the compressor.
Claims (3)
1. A combined cyclone deflection large-caliber gas-liquid compound separation device of a gas compressor comprises a shell (1), a gas inlet (2), cyclone fins (3), a baffle plate (4), a flow guide pipe (6), a backflow baffle plate (7), a gas outlet (8), a sewage outlet (10) and a water storage area (11); the shell (1) is in a vertical round tube shape, the air inlet (2) is fixed on the outer wall of the upper part of the shell (1), the flow guide pipe (6) is vertically fixed in the middle of the inside of the shell (1), the outer wall of the upper end of the flow guide pipe (6) is fixed on the inner wall, higher than the air inlet (2), of the shell (1) through an annular connecting plate, a water storage area (11) is arranged at the bottom of the inside of the shell (1), namely the lower side of the baffle plate (4), a sewage discharge outlet (10) is fixedly installed at the outer bottom of the shell (1), and the upper end of; the method is characterized in that:
cyclone fins (3) are circumferentially fixed on the inner wall of the shell (1) at the lower side of the upper outlet position in the shell (1) of the air inlet (2), and the included angle between a cyclone channel formed by any two adjacent cyclone fins (3) and the vertical central axis of the shell (1) is 35-55 degrees;
baffle plates (4) are circumferentially fixed on the inner wall of the shell (1) at the lower side of the cyclone fins (3), and the lower end of the guide pipe (6) is opened at the lower side of the baffle plates (4);
an air outlet (8) is fixed at the top of the shell (1);
the upper side of the upper port of the flow guide pipe (6) is fixedly connected with a backflow baffle (7), and the upper port of the flow guide pipe (6) is communicated with an air outlet (8) along an air flow channel formed by a gap between the upper port and the lower side edge of the backflow baffle (7);
the inner diameter of the shell (1) is larger than that of the air inlet (2), the inner diameter of the air inlet (2) is larger than that of the flow guide pipe (6), and the inner diameter of the flow guide pipe (6) is larger than that of the air outlet (8).
2. The combined cyclone baffling large-caliber gas-liquid composite separation device of the gas compressor as claimed in claim 1, wherein the gas inlet (2) is vertically fixed on the outer wall of the shell (1), and the horizontal center line of the gas inlet (2) does not intersect with the vertical central axis of the shell (1).
3. The combined cyclone baffling large-caliber gas-liquid composite separation device of the gas compressor as claimed in claim 1, wherein a plurality of baffle plates (4) at least two layers of which are arranged at least from top to bottom are horizontally fixed on the inner wall of the shell (1), and the fixed positions of any two adjacent baffle plates (4) are staggered.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432900.1A CN108465301B (en) | 2018-05-08 | 2018-05-08 | Combined cyclone deflection large-caliber gas-liquid compound separation device of gas compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432900.1A CN108465301B (en) | 2018-05-08 | 2018-05-08 | Combined cyclone deflection large-caliber gas-liquid compound separation device of gas compressor |
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| CN108465301A CN108465301A (en) | 2018-08-31 |
| CN108465301B true CN108465301B (en) | 2020-09-11 |
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| CN110860139A (en) * | 2018-08-27 | 2020-03-06 | 江苏中远环保科技有限公司 | Vertical oil-gas separation method |
| CN114788972A (en) * | 2022-04-12 | 2022-07-26 | 中钢集团天澄环保科技股份有限公司 | Gas-liquid separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5853443A (en) * | 1997-08-08 | 1998-12-29 | Ingersoll-Rand Company | Moisture separator for fluid compressor |
| JP5439026B2 (en) * | 2009-05-11 | 2014-03-12 | 株式会社神戸製鋼所 | Gas-liquid separator |
| CN202237589U (en) * | 2011-10-21 | 2012-05-30 | 神华集团有限责任公司 | Rotary cutting type demister, coal gas diffusion water seal with rotary cutting type demister, and tower with rotary cutting type demister |
| CN102872668B (en) * | 2012-09-24 | 2013-11-27 | 森松(江苏)海油工程装备有限公司 | Agglomerate cyclone separator |
| CN106215603A (en) * | 2016-09-22 | 2016-12-14 | 淮南矿业(集团)有限责任公司 | Coal extraction gas impurity-removing device |
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