CN214389458U - Non-condensable gas separating device adopting feather and leaf separation reflection technology - Google Patents
Non-condensable gas separating device adopting feather and leaf separation reflection technology Download PDFInfo
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- CN214389458U CN214389458U CN202120089118.1U CN202120089118U CN214389458U CN 214389458 U CN214389458 U CN 214389458U CN 202120089118 U CN202120089118 U CN 202120089118U CN 214389458 U CN214389458 U CN 214389458U
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Abstract
The application relates to the technical field of petrochemical equipment, and particularly discloses a non-condensable gas separating device adopting a feather and leaf separation and reflection technology. The utility model provides an adopt noncondensable gas separator of feather leaf separation reflection technique, including the separator casing, the noncondensable gas import and the noncondensable gas export that set up on the separator casing, and the consecutive pre-coalescence ware that sets up in the separator casing, the feather leaf separator, air flow sealing device, be provided with the momentum reflector between the air inlet that lies in the pre-coalescence ware in the separator casing and the noncondensable gas import, the momentum reflector includes towards the noncondensable gas import in order to carry out the plane of reflection that kinetic energy momentum shifted to the air current of noncondensable gas import input. The utility model provides an adopt noncondensable gas separator of feather leaf separation reflection technology can show the gas-liquid separation efficiency who promotes separator, and the control material runs and decreases, reduces the material consumption, is showing to promote rectifying column noncondensable gas separator operation elasticity space, especially has stronger adaptability to unusual changeable operating mode.
Description
Technical Field
The application relates to the technical field of petrochemical equipment, in particular to a non-condensable gas separating device adopting a feather and leaf separation and reflection technology.
Background
At present, in the fields of petrochemical deep processing, coal chemical industry, fine chemical industry, metallurgical chemical industry, pharmacy and the like, alcohol ketone chemicals are often prepared by a carbonylation synthesis device. The carbonylation synthesis devices comprise a methanol synthesis device, an ethanol synthesis device, an ethylene glycol synthesis device, a methyl formate synthesis device and the like, and a rectifying tower is generally adopted to remove dissolved gas and non-condensable gas in liquid products during synthesis. The product is treated by adopting the noncondensable gas separation device of the methanol rectifying tower during the carbonylation synthesis of the methanol, and due to the reasons of large working condition fluctuation, large noncondensable gas release amount, high carbon dioxide concentration, high liquid material carrying capacity and the like of the methanol synthesis device, the material needs to be fully captured and recovered to avoid the material running loss and consumption exceeding the standard, and the noncondensable gas of the rectifying tower needs to be deeply purified.
At present, many enterprises at home and abroad, especially enterprises in the coal chemical industry, mostly adopt a traditional simple non-condensable gas separation device in the non-condensable gas separation process of a rectifying tower during the synthesis of methanol and ethylene glycol. The main disadvantages of the non-condensable gas separation devices of the rectifying towers are that: 1) the separator has poor adaptability to variable fluctuation conditions. 2) The gas-liquid separation efficiency of the separation device is low, the material loss is large, and the material consumption exceeds the standard seriously. 3) The noncondensable gas discharged by the separation device has high liquid carrying capacity, the liquid accumulation of a subsequent pipeline is obvious, the noncondensable gas is not smoothly discharged, and the potential safety hazards of liquid hammer and liquid impact operation exist in time.
Some enterprises at home and abroad try to technically transform the traditional simple non-condensable gas separation device, transform and try by experience and an approximate + estimation mode, but because of lack of comprehensive system grasp, an accurate dynamics separation calculation design and configuration system working platform cannot be built, so that the method is often blind and has little investment and little effect.
In view of the above-mentioned related technologies, the inventor believes that when these enterprises try to technically modify the conventional simple non-condensable gas separation device, the separation efficiency of the improved separation device is still low and the adaptability is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the separation operation adaptability of the separation device, the application provides a non-condensable gas separation device adopting a feather-leaf separation reflection technology.
The application provides an adopt noncondensable gas separator of feather leaf separation reflection technique adopts following technical scheme:
a non-condensable gas separation device adopting a pinna separation reflection technology comprises a separation device shell, wherein a non-condensable gas inlet and a non-condensable gas outlet are formed in the separation device shell, a pre-coalescer, a pinna separator and an airflow sealing device are arranged in the separation device shell, a gas outlet of the pre-coalescer is connected with a gas inlet of the pinna separator, a gas outlet of the pinna separator is connected with a gas inlet of the airflow sealing device, and a gas outlet of the airflow sealing device is connected with a non-condensable gas outlet in the separation device shell;
a momentum reflector is disposed within the separator housing between the gas inlet of the pre-coalescer and the non-condensable gas inlet, the momentum reflector including a reflective surface facing the non-condensable gas inlet to block gas flow entering the non-condensable gas inlet.
Through adopting above-mentioned technical scheme, this application is through setting up the momentum reflector between noncondensable gas import and pre-coalescence ware, and on the reflector surface of momentum reflector was strikeed to the rectifying column noncondensable gas that gets into from the noncondensable gas import, the slug flow that carries in the noncondensable gas and the drop whereabouts of large size collect, and then follow and force the desorption in the noncondensable gas air current. Then the pre-agglomerator coalesces the medium and small micro-sized liquid drops in the non-condensable gas, the coalesced larger-sized liquid drops are separated from the non-condensable gas, the residual non-condensable gas enters the feather separator, and the feather separator separates out the micro-sized liquid drops and liquid foam in the non-condensable gas. The high-efficiency separation of liquid phase in the non-condensable gas is realized on the whole, the operation faults caused by instability of the non-condensable gas separation device of the rectifying tower due to fluctuation of actual operation conditions of the non-condensable gas can be effectively prevented, the long-period operation flexibility of the non-condensable gas separation device of the rectifying tower is improved, and the production operation faults or even safety accidents caused by liquid carrying of the non-condensable gas are greatly reduced.
Preferably, the momentum reflector comprises a plate-shaped reflector base body, a gas guide pipe is arranged on the reflector base body, one end of the gas guide pipe is connected with the reflector base body, and the other end of the gas guide pipe extends towards the direction of the non-condensable gas inlet; one end of the air duct far away from the reflector base body is provided with a reflector air outlet, and the position of the air duct near the bottom of the shell of the separation device is provided with a liquid guide port.
By adopting the technical scheme, the momentum reflector is provided with the reflector matrix, the reflecting surface is formed by the plate surface of the reflector matrix to treat the non-condensable gas, after slug flow and large-size liquid drops in the non-condensable gas are in impact contact with the reflecting surface, the kinetic energy momentum changes, falls and is collected, and is collected to the bottom of the gas guide pipe by the pipe wall of the gas guide pipe, so that the kinetic energy momentum is conveniently discharged from the liquid guide port, and the non-condensable gas acted by the reflecting surface escapes from the gas outlet of the gas guide pipe, so that the non-condensable gas is conveniently diffused to the downstream.
Preferably, be connected with the noncondensable gas intake pipe on the noncondensable gas import, be provided with the ware of spouting soon in the noncondensable gas intake pipe, spout the ware soon including spouting the valve soon, spout the valve soon and be used for spouting liquid in the noncondensable gas intake pipe, spout the valve soon and be connected with the water supply manifold that is used for supplying liquid to spouting the valve soon.
Through adopting above-mentioned technical scheme, the ware is spouted soon can spray the washing liquid to the noncondensable gas in the noncondensable gas intake pipe, elutes the absorption with partial gaseous state and the liquid material of carrying in the noncondensable gas, has improved the rate of recovery of material, has also further reduced the liquid phase content in the noncondensable gas.
Preferably, the rotary sprayer comprises a forward rotary sprayer and a reverse rotary sprayer, wherein the liquid spraying direction of the forward rotary sprayer is close to one end of the non-condensable gas inlet pipe towards the non-condensable gas inlet pipe, and the liquid spraying direction of the reverse rotary sprayer is far away from one end of the non-condensable gas inlet pipe towards the non-condensable gas inlet pipe.
Through adopting above-mentioned technical scheme, two spouts soon are to two directions hydrojet respectively, can with noncondensable gas intensive mixing, the more abundant of gas-liquid material elution in the noncondensable gas.
Preferably, the pre-coalescer is arranged on one side of the momentum reflector far away from the non-condensable gas inlet and is arranged at an interval with the momentum reflector, the pre-coalescer comprises a square pre-coalescer box body with two open ends, grids are arranged on the two open ends of the pre-coalescer box body, pre-coalescing spaces are defined by the grids at the two ends of the pre-coalescing box body and the pre-coalescing box body together, and pre-coalescing elements are arranged in the pre-coalescing spaces.
Through adopting above-mentioned technical scheme, the both ends of prepolymerization ware box body have set up the grid, can support and protect prepolymerization knot component.
Preferably, the feather-leaf separator is arranged on one side of the pre-sintering device far away from the non-condensable gas inlet, the feather-leaf separator comprises a feather-leaf separator box body, a feather-leaf separator element is arranged in the feather-leaf separator box body, a feather-leaf separator air inlet and a feather-leaf separator air outlet are arranged on the feather-leaf separator box body, and the feather-leaf separator air inlet is connected with the pre-sintering device air outlet.
By adopting the technical scheme, more feather leaf separation units are arranged on the feather leaf separator element in the feather leaf separator, and the non-condensable gas carries liquid drops and liquid foam to enter the feather leaf separator, so that kinetic energy and momentum can be forcibly converted under the action of the feather leaf separator element, and the high-efficiency collision between the liquid drops and the liquid foam is facilitated to coalesce the liquid drops into liquid drops with larger sizes. The larger liquid drops are easy to be collected on the surface of the feather separator element to form a liquid film, the surface of the liquid film has larger surface free energy, and the liquid drops, dust particles and the like in the non-condensable gas are easy to impact on the surface of the liquid film and are trapped by the liquid film for separation due to the complex structure of the feather separator element.
Preferably, the air outlet of the feather-leaf separator is connected with the air flow sealing device, the air flow sealing device comprises a sealing shell, the sealing shell is provided with a sealer inlet and a sealer outlet, the sealer inlet is connected with the air outlet of the feather-leaf separator, and the sealer outlet is connected with the non-condensable gas outlet.
Through adopting above-mentioned technical scheme, airflow seal device can guarantee that the noncondensable gas after the separation of feather leaf separator gets into the noncondensable gas export smoothly, and discharge separator avoids fluid backmixing to reduce separation efficiency.
Preferably, one end of the cartridge body of the feather-leaf separator, which is close to the bottom of the separation device housing, is provided with a liquid outlet of the feather-leaf separator, the liquid outlet of the feather-leaf separator is connected with an anti-siphon short-circuit liquid descending device, the anti-siphon short-circuit liquid descending device comprises a liquid descending device cylinder, one end of the liquid descending device cylinder is connected with the liquid outlet of the feather-leaf separator, and the other end of the liquid descending device cylinder is provided with a porous grid plate.
By adopting the technical scheme, the liquid descending device cylinder of the anti-siphon short-circuit liquid descending device is connected with the liquid outlet of the feather separator, and the liquid separated and collected in the feather separator enters the liquid descending device and is discharged from the lower end.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the utility model provides an adopt noncondensable gas separator of feather leaf separation reflection technique can show and promote rectifying column noncondensable gas separator operation elasticity space, especially has stronger adaptability to unusual changeable operating mode.
2. The utility model provides an adopt noncondensable gas separator of feather leaf separation reflection technique can show and promote separator gas-liquid separation efficiency, and the control material runs and decreases, reduces the material consumption.
3. The non-condensable gas separating device adopting the feather-leaf separation reflection technology can prevent the potential safety hazard that subsequent gas transmission pipeline accumulated liquid causes non-condensable gas discharge unsmooth or even liquid hammer and liquid impact operation due to the fact that the separating device discharges non-condensable gas with high liquid volume.
Drawings
FIG. 1 is a schematic view showing the structure of a noncondensable gas separation apparatus of example 1 using a pinna separation reflection technique;
FIG. 2 is a schematic view showing the structure of a cyclone of the noncondensable gas separation apparatus of example 1 using the reflection technique of plume separation;
FIG. 3 is a schematic view showing the construction of a momentum reflector of the noncondensable gas separating apparatus of example 1 using a pinnate separation reflection technique;
FIG. 4 is a schematic view showing a structure of a pre-agglomerator of the noncondensable gas separating apparatus of example 1 using a pinnate separation reflection technique;
FIG. 5 is a schematic view showing the structure of a plume separator of the noncondensable gas separating apparatus of example 1 using the plume separation reflection technique;
FIG. 6 is a schematic view showing the structure of the gas flow sealing device of the noncondensable gas separating device of example 1 using the pinna separation reflection technique;
FIG. 7 is a schematic view showing the structure of the anti-siphon short-circuiting liquid-dropping apparatus of the noncondensable gas separating device of example 1 using the pinna separation reflection technique;
FIG. 8 is a schematic view showing the structure of the porous grid plate of the noncondensable gas separation device of example 1 using the pinna separation reflection technique;
reference numerals: 1. a separator housing; 2. a noncondensable gas inlet pipe; 3. a noncondensable gas outlet pipe; 4. a liquid phase outlet pipe; 5. a top seal head; 6. a rotary sprayer; 61. a rotary spray valve; 62. a water supply manifold; 7. a momentum reflector; 71. a reflective surface; 72. an air duct; 73. a connecting rod; 74. a liquid guide port; 8. a pre-coalescer; 81. a pre-coalescer cartridge; 82. a front grille; 83. a rear grille; 84. a pre-polymerization element; 85. mounting a through hole; 9. A feather separator; 91. a plume separator cartridge; 92. a plume separation element; 93. a right side fastening plate; 94. an upper side fastening plate; 10. an airflow sealing device; 101. an upper sealing plate; 102. a lower sealing plate; 103. a left seal plate; 104. a right sealing plate; 11. an anti-siphon short-circuit liquid-dropping device; 111. a downcomer cylinder; 112. a porous grid plate; 113. a liquid outlet hole; 12. a desalted water inlet pipe; 13. a non-condensable gas outlet gas sampling tube; 14. a liquid phase outlet sampling tube; 15. an emptying pipe; 16. a pressure gauge mouthpiece; 17. lifting lugs; 18. an in situ level gauge mouthpiece; 19. a remote liquid level interface tube; 20. a skirt.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
In the following embodiments, for convenience of description, the description of the relative positional relationship of the components is described according to the placement state and the operation state of the non-condensable gas separating device adopting the pinna separation reflection technology, for example, "up and down" refers to the vertical direction, "front and back" refers to the direction from the non-condensable gas inlet to the non-condensable gas outlet, the direction close to the non-condensable gas inlet is the front, and the direction away from the non-condensable gas inlet is the back.
It should be noted that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. indicate orientations or positional relationships only for convenience in describing aspects of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
The embodiment of the application discloses a non-condensable gas separating device adopting a feather-leaf separation reflecting technology.
Example 1
Referring to fig. 1, the non-condensable gas separating device adopting the plume separation and reflection technology of the present embodiment includes a separating device housing 1, the separating device housing 1 is a vertically arranged cylindrical barrel, a non-condensable gas inlet is arranged on the separating device housing 1, and the non-condensable gas inlet is arranged at a position on the side wall of the separating device housing 1 near the upper end. The non-condensable gas inlet is provided with a non-condensable gas inlet pipe 2. The side opposite to the non-condensable gas inlet in the horizontal direction on the side wall of the shell is provided with a non-condensable gas outlet, and the non-condensable gas outlet is provided with a non-condensable gas outlet pipe 3.
Referring to fig. 1, the lower end of the separation device shell 1 is provided with a bottom end enclosure, the bottom end enclosure is of a hemispherical structure with an upward opening, and the upper edge of the bottom end enclosure is connected with the lower edge of the lower end of the separation device shell 1. The bottom of the bottom end enclosure is provided with a liquid phase outlet, and the liquid phase outlet is connected with a liquid phase outlet pipe 4. The upper end of the separating device shell 1 is provided with a top seal head 5, and the top seal head 5 is matched with the separating device shell 1 and the bottom seal head to seal the inside of the shell.
Referring to fig. 1, a momentum reflector 7, a pre-coalescer 8, a vane separator 9, and an air flow sealing device 10 are sequentially disposed in a direction from the non-condensable gas inlet pipe 2 to the non-condensable gas outlet pipe 3 at a position between the non-condensable gas inlet pipe 2 and the non-condensable gas outlet pipe 3 in a separator housing 1.
Referring to fig. 1 and 2, a rotary sprayer 6 is provided on the non-condensable gas inlet pipe 2, and the rotary sprayer 6 includes a rotary spray valve 61 provided in the non-condensable gas inlet pipe 2, and a water supply manifold 62 connected to a washing water supply tank. The rotary spraying valves 61 are arranged on the water supply manifold 62, the number of the rotary spraying valves 61 is two according to the requirement, and the spraying direction of the rotary spraying valves 61 is opposite to the flowing direction of the non-condensable gas. Accordingly, the number of the water supply manifolds 62 corresponds to the number of the rotary jetting valves 61. Be provided with on the pipe wall of noncondensable gas intake pipe 2 and spout the ware mounting hole soon, supply water manifold 62 wears to establish in the mounting hole, supply water manifold 62 with noncondensable gas intake pipe 2 welded fastening perhaps adopt threaded connection etc. to dismantle connected mode and be connected, supply water manifold 62 is located one of noncondensable gas intake pipe 2 and serves and set up above-mentioned spout valve 61 soon. The water supply manifold 62 is used to supply washing water to the rotary spray valve 61, the rotary spray valve 61 sprays the washing water into the non-condensable gas inlet pipe 2, and the washing water can elute gaseous or liquid materials in the non-condensable gas input by the non-condensable gas inlet pipe 2.
Referring to fig. 1 and 3, the momentum reflector 7 includes a reflector base body, the reflector base body is a circular plate-shaped structure, a plate surface of the reflector base body extends in a vertical direction, and a circle center of the reflector base body is located on an axis of the noncondensable gas inlet pipe 2. The reflector base body is provided with connecting rods 73, the length direction of each connecting rod 73 is parallel to the axial extension direction of the non-condensable gas inlet pipe 2, the number of the connecting rods 73 is more than two, and the number of the connecting rods 73 is four in the embodiment and the connecting rods 73 are uniformly distributed along the circumferential direction of the reflector base body. One end of the connecting rod 73 is fixedly connected to the inner wall of the housing 1 of the separating device, and the other end is fixedly connected to the corresponding side of the reflector base body. The circle that four connecting rods 73 enclose in the projection of the plane of perpendicular to noncondensable gas intake pipe 2 axis sets up with the circular noncondensable gas import (when noncondensable gas import sets up to circular) is coaxial, and the diameter of this circle is not more than the external diameter of reflector base member, but is greater than the diameter of noncondensable gas air inlet to the one end welded fastening that makes connecting rod 73 keep away from the reflector base member is on the separator casing 1 inner wall of noncondensable gas import. The reflector base body is provided with an air duct 72, and the air duct 72 is of a cylindrical structure with a short length and is coaxially arranged with the non-condensable gas inlet pipe 2. The outer diameter of the air duct 72 is equal to the outer diameter of the reflector base body, one end of the air duct 72 is fixedly connected (welded) with one side of the reflector base body close to the connecting rod 73, and the other end extends towards the direction of the non-condensable gas inlet. An end opening extending toward the non-condensable gas inlet forms a reflector gas outlet. The lower wall of the airway tube 72 is provided with a notch that defines a drainage port 74. The surface of the reflector base body on the side near the non-condensable gas inlet constitutes a reflecting surface 71. When the non-condensable gas input by the non-condensable gas inlet pipe 2 impacts the reflector substrate to be close to the reflecting surface 71, the kinetic energy and momentum are changed, and slug flow and large-size liquid drops in the non-condensable gas fall and are collected to the liquid guide port 74 to be discharged.
Referring to fig. 1 and 4, the pre-coalescer 8 comprises a pre-coalescer housing 81 having a square frame-like structure arranged normal to the non-condensable gas inlet pipe 2, i.e. with its centre line coinciding with the centre line or axis of the non-condensable gas inlet, i.e. with the axis of the reflector matrix. The two ends of the pre-coalescer box body 81 are provided with grilles, namely a front grille 82 and a rear grille 83 respectively, the front grille 82 and the rear grille 83 are Johnson grilles, the front grille 82 is arranged at one end, close to the non-condensable gas inlet pipe 2, of the pre-coalescer box body, and the rear grille 83 is arranged at one end, far away from the non-condensable gas inlet pipe 2, of the pre-coalescer box body. The front grill 82 and the rear grill 83 together with the pre-polymerizer box 81 enclose a pre-polymerizing space in which a pre-polymerizing element 84 is disposed. The radial thickness of the pre-coalescer cartridge 81 is thick, mounting through-holes 85 are provided in the wall of the pre-coalescer cartridge 81, the length direction of the mounting through-holes 85 extends in a direction (front-rear direction) parallel to the center line of the pre-coalescer cartridge 81, the number of the mounting through-holes 85 is not less than two, and the mounting through-holes are provided in the sidewall of the pre-coalescer cartridge 81. The pre-coalescer 8 is horizontally spaced from the momentum reflector 7. The non-condensable gas from the outlet of the momentum reflector 7 enters the pre-coalescer 8 for coalescing, and part of liquid drops and liquid foam with larger size are separated from the non-condensable gas, so that the subsequent feather separator 9 can separate liquid drops with smaller size.
Referring to fig. 1 and 5, a feather separator 9 is disposed at one end of the pre-polymerization device 8 far away from the non-condensable gas inlet pipe 2, the feather separator 9 comprises a feather separator box 91, the feather separator box 91 is a rectangular structure with front and rear ends open, and comprises a right side fastening plate 93, a left side fastening plate, an upper side fastening plate 94 and a lower side fastening plate, and the upper, lower, left and right fastening plates enclose the feather separator box 91. A vane separating element 92 is provided in the vane separator box 91. The vane separating element 92 is formed by welding a plurality of stages of vane separating units (vane separating modules) in series end to end. The upper end of the feather separator box body 91 is fixedly connected with the top seal head 5, and particularly can be connected through welding or bolts. One end of the feather separator 9 close to the pre-coalescer 8 is provided with a feather separator air inlet, and the other end is provided with a feather separator air outlet. The air inlet of the feather-leaf separator is connected with the air outlet of the pre-coalescence device 8, and specifically, the feather-leaf separator is connected with the pre-coalescence device 8 through a mounting through hole 85 on the pre-coalescence device by a bolt. The non-condensable gas from the gas outlet of the pre-coalescer enters a feather separator 9, and small micro liquid drops in the non-condensable gas are separated and removed by the feather separator 9.
Referring to fig. 1 and 6, the airflow sealing device 10 is disposed on one side of the vane separator 9 away from the non-condensable gas inlet pipe 2 in the horizontal direction, specifically, the airflow sealing device 10 includes a sealing housing, the sealing housing is a square frame enclosed by an upper sealing plate 101, a lower sealing plate 102, a left sealing plate 103 and a right sealing plate 104, an opening at one end of the square frame is connected with the air outlet of the vane separator, and the other end of the square frame is connected with the inner wall of the separator housing 1. The one end that sealed casing and separator casing 1 inner wall link to each other encloses the noncondensable gas export and establishes including to make the noncondensable gas that comes out from the feather leaf separator gas outlet all get into the noncondensable gas export, avoid producing with other gases in the separator casing 1 and back mix.
Referring to fig. 1, 7 and 8, a liquid outlet of the plume separator is arranged at the lower end of the plume separator 9, an anti-siphon short-circuit liquid descending device 11 is connected to the liquid outlet of the plume separator, the anti-siphon short-circuit liquid descending device 11 comprises a cylindrical liquid descending device cylinder 111, the upper end of the liquid descending device cylinder 111 is connected with the liquid outlet of the plume separator, a circular porous grid plate 112 is fixedly arranged at the lower end of the liquid descending device cylinder 111, the outer diameter of the porous grid plate 112 is equal to the inner diameter of the liquid descending device cylinder 111, and the outer edge of the porous grid plate 112 is fixedly connected with the inner wall of the liquid descending device cylinder 111. The porous grid plate 112 is provided with a plurality of liquid outlet holes 113. The number of the anti-siphon short-circuit liquid droppers 11 is more than two, and is two in the embodiment.
The non-condensable gas inlet pipe 2 is also provided with a desalted water inlet pipe 12 for adding desalted water into the separation device shell 1. The non-condensable gas outlet pipe 3 is provided with a non-condensable gas outlet sampling pipe 13, and the liquid phase outlet pipe 4 is provided with a liquid phase outlet sampling pipe 14. The top seal 5 is also provided with a vent pipe 15 for venting the interior of the separation device housing 1. The top seal head 5 is also provided with a pressure tap tube 16 and a lifting lug 17. An on-site liquid level meter interface tube 18 and a remote transmission liquid level interface tube 19 are arranged on the side wall of the separation device shell 1 above the bottom end socket, and the on-site liquid level meter interface tube 18 and the remote transmission liquid level interface tube 19 are arranged oppositely in the horizontal direction. A skirt 20 is also provided below the bottom head to support the separator housing 1.
The implementation principle of the non-condensable gas separation device adopting the plume separation reflection technology in the embodiment is as follows: the original non-condensable gas firstly enters a non-condensable gas inlet pipe 2 of the separation device, then the non-condensable gas and gaseous and liquid materials carried by the non-condensable gas are efficiently sprayed, eluted and absorbed by a rotary sprayer 6, then a gas-liquid two-phase mixed flow enters a momentum reflector, and slug flow and large-size liquid drops are forcibly removed from the gas flow.
The liquid foam of the liquid drops with medium and small sizes carried in the non-condensable gas immediately enters a pre-coalescer 8, the flow pattern flow state and the kinetic energy momentum of the air flow are uniformly distributed, and the liquid drops with medium and small sizes and the liquid foam carried in the non-condensable gas are coalesced to form liquid drops and liquid foam with larger sizes. A part of large-size liquid drops are settled and separated from the non-condensable gas flow according to the Stokes law, non-condensable gas carries liquid drops and liquid foam with the rest sizes to enter the plume separator 9, the non-condensable gas and the liquid drops and the liquid foam carried by the non-condensable gas are forced to carry out high-efficiency kinetic energy and momentum conversion in the plume separator 9 and rotate at high speed along a tiny rotation radius, and the liquid foam and the liquid drops are efficiently collided with each other to be coalesced and enlarged. The increased liquid drops and liquid foam are forcedly separated from the non-condensable gas under the action of a vector separation field including radial centrifugal force, and are converged on the surface of a feather leaf separation element 92 of the feather leaf separator 9 to form a continuously thickened liquid film, once the residual liquid film, liquid mist and dust particles with smaller sizes in the non-condensable gas flow collide with the surface of the liquid film, the liquid mist and the dust particles are captured by the liquid film with huge surface free energy and are further separated and converged into the liquid film, the continuously thickened liquid film enters an anti-siphon short-circuit liquid descending device 11 under the action of gravity to be independently discharged and realize high-efficiency separation with the non-condensable gas, and the liquid film is discharged to a downstream unit through a liquid phase outlet pipe 4 at the bottom of the separation device.
The non-condensable gas purified by the feather separator 9 passes through the airflow sealing device 10 without back mixing and is discharged out of the separating device from the non-condensable gas outlet pipe 3 of the separating device.
The noncondensable gas separator who adopts feather leaf separation reflection technique of this embodiment can realize high-efficient entrapment separation to retrieving to the material in the noncondensable gas, makes the noncondensable gas obtain stable, efficient purification, ensures the safe and stable operation of downstream pipeline equipment.
In the above embodiment, the separation device casing 1 is made of S30408, and has the size ID800mm × TL/TL1252mm, the inner diameter of the noncondensable gas inlet pipe 2 is 200mm, the inner diameter of the noncondensable gas outlet pipe 3 is 200mm, and the inner diameter of the liquid phase outlet pipe 4 is 40 mm. The jet aerator 6 is NOVEL-5-120/2 and is made of S30408. The model number of the momentum reflector 7 is DN400, and the material is S30408. The pre-coalescer 8 was model NOVEL G50D800, made of S30408. The model of the feather separator 9 is NOVEL G50/P6, and the material is S30408. The airflow sealing device 10 is NOVEL G4 and is made of S30408. The anti-siphon short-circuit downcomer 11 is of the type NOVEL G50LP2/2 and has the quality of S30408.
The raw gas temperature of the non-condensable gas treated by the embodiment is 40 ℃, the gauge pressure of the non-condensable gas is 20kPa, the gas phase flow of the non-condensable gas is 2843kg/h, and the gas phase composition of the non-condensable gas is (V%): CO 22/51.00,C2H4/2.03,C3H8/2.31,O2/0.27,N2/5.76,CH4/9.43,CO/3.52,H2/18.06,CH3OH/7.62; the amount of non-condensable gas carried liquid was 712 kg/h.
Example 2
The incondensable gas separating device adopting the pinna separation reflection technology in the present embodiment is different from that in embodiment 1 in that the number of the spinners 6 is two, the spraying direction of the spinning valves of one group of the spinners 6 is toward the direction of the incondensable gas inlet, and the spraying direction of the spinning valves of the other group of the spinners 6 is opposite to that of the spinners 6 in the previous group.
The raw gas temperature of the treated non-condensable gas treated by the embodiment is 41.5 ℃, the gauge pressure of the non-condensable gas is 17.7kPa, the gas phase flow of the non-condensable gas is 2796kg/h, and the gas phase composition of the non-condensable gas is (v%): CO 22/55.79,C2H4/1.49,C3H8/2.45,O2/0.23,N2/25.28,CH4/0.79,CO/0.06,H2/0.09,CH3OH/13.82; the amount of non-condensable gas carrying liquid is 734 kg/h.
Example 3
The incondensable gas separation device adopting the pinna separation reflection technology in the embodiment is different from that in the embodiment 1 in that the number of the arranged rotary spray valves 61 is one group, and the spray liquid direction of the rotary spray valves 61 is the same as the flow direction of the incondensable gas in the inlet pipe.
The material of the separation device shell 1 is S31608, the size is ID700mm × TL/TL1136mm, the inner diameter of the non-condensable gas inlet pipe 2 is 150mm, the inner diameter of the non-condensable gas outlet pipe 3 is 150mm, and the inner diameter of the liquid phase outlet pipe 4 is 40 mm. The jet aerator 6 is NOVEL-4-120/1 and is made of S31603, and the momentum reflector 7 is DN300 and is made of S31603. The pre-coalescer 8 was model NOVEL G50D700, material S31603. The model of the feather separator 9 is NOVEL G50/P6, and the material is S31603. The airflow sealing device 10 is NOVEL G4, and is made of S31603.
The temperature of the raw gas of the non-condensable gas treated by the embodiment is 32 ℃, the gauge pressure of the non-condensable gas is 10kPa, and the gas phase flow of the non-condensable gas is 1462m3The gas phase composition of the non-condensable gas is (V%): CO 22/67.49,C2H4/1.75,C3H8/3.29,O2/0.16,N2/11.96,CH4/1.31,CO/0.09,H2/0.24,CH3OH/13.71; the amount of non-condensable gas carried liquid was 633 kg/h.
In other embodiments, the spinner employs a commercially available showerhead. The feather separator may be a commercially available vane separator. The non-condensable gas inlet pipe is a circular pipe, a square pipe or an inlet pipe with other shapes.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A non-condensable gas separation device adopting a pinna separation reflection technology comprises a separation device shell (1), wherein a non-condensable gas inlet and a non-condensable gas outlet are formed in the separation device shell (1), and is characterized in that a pre-coalescer (8), a pinna separator (9) and an airflow sealing device (10) are arranged in the separation device shell (1), a gas outlet of the pre-coalescer (8) is connected with a gas inlet of the pinna separator (9), a gas outlet of the pinna separator (9) is connected with a gas inlet of the airflow sealing device (10), and a gas outlet of the airflow sealing device (10) is connected with the non-condensable gas outlet in the separation device shell (1);
a momentum reflector (7) is arranged between an air inlet of the pre-coalescer (8) and the non-condensable gas inlet in the separation device shell (1), and the momentum reflector (7) comprises a reflecting surface (71) facing the non-condensable gas inlet and used for carrying out kinetic energy and momentum conversion on the air flow input by the non-condensable gas inlet.
2. The non-condensable gas separating device adopting the pinna separation reflecting technology as claimed in claim 1, wherein the momentum reflector (7) comprises a plate-shaped reflector base body, the reflector base body is provided with a gas guide pipe (72), one end of the gas guide pipe (72) is connected with the reflector base body, and the other end of the gas guide pipe extends towards the direction of a non-condensable gas inlet; one end of the air duct (72) far away from the reflector base body is provided with a reflector air outlet, and the position of the air duct (72) close to the bottom of the separation device shell (1) is provided with a liquid guide port (74).
3. The non-condensable gas separating device adopting the pinna separation reflection technique as claimed in claim 1, wherein a non-condensable gas inlet pipe (2) is connected to the non-condensable gas inlet, a rotary sprayer is disposed in the non-condensable gas inlet pipe (2), the rotary sprayer comprises a rotary spray valve, the rotary spray valve is used for spraying liquid into the non-condensable gas inlet pipe (2), and a water supply manifold (62) for supplying liquid to the rotary spray valve is connected to the rotary spray valve.
4. The noncondensable gas separation device adopting the pinna separation reflection technique as defined in claim 3, wherein the cyclone comprises a forward cyclone and a reverse cyclone, the spray direction of the forward cyclone is toward one end of the noncondensable gas inlet pipe (2) close to the noncondensable gas inlet, and the spray direction of the reverse cyclone is toward one end of the noncondensable gas inlet pipe (2) far away from the noncondensable gas inlet.
5. The non-condensable gas separating device adopting the pinna separation reflection technique as claimed in any one of claims 1 to 4, wherein the pre-coalescer (8) is disposed at a side of the momentum reflector (7) far from the non-condensable gas inlet and spaced apart from the momentum reflector, the pre-coalescer (8) comprises a square pre-coalescer housing (81) with two open ends, the pre-coalescer housing (81) has grids at both open ends, the grids at both ends of the pre-coalescer housing (81) and the pre-coalescer housing (81) together define a pre-coalescing space, and the pre-coalescing space is provided with a pre-coalescing element (84).
6. The non-condensable gas separating device adopting the pinna separation and reflection technique as claimed in claim 5, wherein the pinna separator (9) is disposed at a side of the pre-sintering device (8) far from the non-condensable gas inlet, the pinna separator (9) comprises a pinna separator case (91), a pinna separator element is disposed in the pinna separator case (91), a pinna separator air inlet and a pinna separator air outlet are disposed on the pinna separator case (91), and the pinna separator air inlet is connected to the air outlet of the pre-sintering device (8).
7. The non-condensable gas separating device adopting the pinna separation and reflection technology as claimed in claim 6, wherein the airflow sealing device (10) is connected to the outlet of the pinna separator, the airflow sealing device (10) comprises a sealing housing, a sealer inlet and a sealer outlet are arranged on the sealing housing, the sealer inlet is connected to the outlet of the pinna separator, and the sealer outlet is connected to the non-condensable gas outlet.
8. The non-condensable gas separating device adopting the plume separation and reflection technology as claimed in claim 7, wherein the end of the plume separator box body (91) close to the bottom of the separating device shell (1) is provided with a plume separator liquid outlet, the plume separator liquid outlet is connected with an anti-siphon short-circuit liquid descending device (11), the anti-siphon short-circuit liquid descending device (11) comprises a liquid descending device cylinder body (111), one end of the liquid descending device cylinder body (111) is connected with the plume separator liquid outlet, and the other end is provided with a porous grid plate (112).
Priority Applications (1)
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CN202120089118.1U CN214389458U (en) | 2021-01-13 | 2021-01-13 | Non-condensable gas separating device adopting feather and leaf separation reflection technology |
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CN202120089118.1U CN214389458U (en) | 2021-01-13 | 2021-01-13 | Non-condensable gas separating device adopting feather and leaf separation reflection technology |
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