TWI807404B - Hollow fiber tubular membrane oil and gas treatment system with scrubbing absorption tower and its method - Google Patents

Abstract

The present invention is a hollow fiber tubular membrane oil and gas treatment system with a washing absorption tower and its method, which is mainly used in the hollow fiber tubular membrane oil and gas treatment system, and includes a double-barrel hollow fiber tubular membrane adsorption device, an oil and gas delivery pipeline, an exhaust delivery pipeline and a washing and absorption tower. Oil and gas are transported from the other end of the oil and gas delivery pipeline to the double-barrel hollow fiber tubular membrane adsorption equipment for oil and gas adsorption. When the oil and gas become purified gas after adsorption, the efficiency can reach 97% or even 99%. As mentioned above, after a period of operation switching time, the adsorbed oil gas is subjected to vacuum pressure swing desorption to form concentrated oil gas, and the concentrated oil gas is transported to the washing absorption tower through the desorption discharge pipeline for concentrated oil gas absorption, so as to have the efficiency of oil gas reabsorption treatment.

Description

Hollow Fiber Tubular Membrane Oil Gas Treatment System and Method with Scrubbing and Absorbing Tower

The invention relates to a hollow fiber tubular membrane oil gas treatment system with a scrubbing absorption tower and its method, especially when a kind of oil gas becomes purified gas after adsorption, the efficiency can reach 97% or even more than 99%, and it also has the performance of enriching oil gas and reabsorbing treatment, and is suitable for gas stations, underground oil storage tanks or similar areas.

At present, gas stations will volatilize oil and gas during the refueling process for automobiles and motorcycles. However, the current method is to bury the oil vapor recovery pipeline in the fuel dispenser under the fuel dispenser, and the other end of the oil vapor recovery pipeline in the fuel dispenser is connected to the underground oil tank, and the oil vapor volatilized during the refueling process is collected through the oil vapor recovery pipeline in the fuel dispenser into the lower oil tank through the vacuum-assisted oil vapor recovery equipment, so as to achieve the purpose of oil gas collection.

The above-mentioned oil and gas are transported to the underground oil tank, and the oil in the underground oil tank will still volatilize oil and gas when it is stored. After a period of storage, the oil and gas in the underground oil tank will gradually generate pressure. Therefore, the underground oil tank is equipped with a pressure valve and a breathing tube. In addition, in the oil company's gasoline and diesel tank trucks or large oil storage tanks for gasoline and diesel loaded trains, exhaust gas is produced during the process of loading and unloading oil. The exhaust gas contains very concentrated volatile organic gases, and the concentration can be as high as 60g/Nm3, 300g/Nm3 or higher.

However, the oil and gas discharged from the underground oil tank through the breathing tube can easily have a huge impact on the environment. In addition to polluting the surrounding air, there will be safety hazards and dangers when the concentration of the oil and gas discharged from the breathing tube is too high.

Therefore, in view of the above shortcomings, the inventor expects to propose a hollow fiber tubular membrane oil and gas treatment system with scrubber absorption tower and its method, which has the performance of oil and gas reabsorption treatment, so that users can easily operate and assemble. The inventor has devoted himself to research, design and assembly to provide user convenience, which is the motivation of the invention that the inventor wants to develop.

The main purpose of the present invention is to provide a hollow fiber tubular membrane oil and gas treatment system with washing absorption tower and its method, which is mainly used in the hollow fiber tubular membrane oil and gas treatment system, and includes a double barrel hollow fiber tubular membrane adsorption equipment, an oil and gas conveying pipeline, an exhaust conveying pipeline and a washing and absorbing tower. By transporting oil and gas from the other end of the oil and gas conveying pipeline to the double barrel hollow fiber tubular membrane adsorption equipment for oil and gas adsorption, when the oil and gas become purified gas after adsorption, the efficiency can reach 97 % or even more than 99%, after a period of operation switching time, the adsorbed oil and gas will be desorbed into concentrated oil and gas by vacuum swing adsorption (VSA), and the concentrated oil and gas will be transported to the washing absorption tower through the desorption discharge pipeline for concentrated oil and gas absorption, so that it has the effect of oil and gas reabsorption treatment, and then increases the overall practicability.

Another object of the present invention is to provide a hollow fiber tubular membrane oil gas treatment system with a scrubbing absorption tower and a method thereof. At least one absorbent and at least one absorption tower filler are arranged in the scrubbing and absorbing tower, so that the scrubbing and absorbing tower can absorb the concentrated oil gas through the absorbent, and a circulation pipeline is provided through the scrubbing and absorbing tower. One end of the circulation pipeline is connected to at least one absorbent of the scrubbing and absorbing tower, and the other end of the circulation pipeline is extended into the The upper part of at least one packing of the absorption tower is washed, and the other end of the circulation pipeline is provided with at least one spray head, so that the absorbent with concentrated oil and gas can be sprayed on the packing of the absorption tower through the circulation pipeline, so that the concentrated oil and gas have the effect of recirculation and absorption, thereby increasing the overall usability.

Another object of the present invention is to provide a hollow fiber tubular membrane oil and gas treatment system with a washing absorption tower and its method. The other end of the washing and exhaust pipeline is connected to the oil and gas delivery pipeline, so that the purified gas in the washing and exhaust pipeline can be returned to the oil and gas delivery pipeline, so that the purified gas produced after concentrated oil and gas absorption in the washing and absorption tower can be transported to the double-barrel hollow fiber tubular membrane adsorption equipment through the oil and gas delivery pipeline for adsorption again, so that it has the effect of purification again can, thereby increasing the overall operability.

In order to further understand the characteristics, characteristics and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention, but the attached drawings are only for reference and illustration, and are not intended to limit the present invention.

1: Double barrel hollow fiber tubular membrane adsorption equipment

10: The first hollow fiber tubular membrane barrel

20: The second hollow fiber tubular membrane barrel

103:Hollow fiber tubular membrane adsorption material

203:Hollow fiber tubular membrane adsorption material

11: The first pipeline

21: The third pipeline

12: Second pipeline

22: The fourth pipeline

121: the second extension pipeline

221: The fourth extension pipeline

1211: Second extension valve

2211: Fourth extension valve

1212: The second extension restrictor valve

2212: The fourth extended restrictor valve

30: Oil and gas transmission pipeline

31: Oil and gas control valve

40:Exhaust delivery pipeline

41: chimney

50: washing absorption tower

501: absorbent

502: Absorption tower packing

51: Desorption discharge pipeline

511: vacuum pump

52: Wash exhaust pipe

60:Circulation pipeline

61: sprinkler head

62:Circulation pump

70: Intake connecting pipeline

71: The first intake valve

73: The third intake valve

80: Outlet connecting pipeline

81: The first outlet valve

83: The third outlet valve

90: Exhaust connecting pipe

92: Second exhaust valve

94: The fourth exhaust valve

S100: Transportation of oil and gas

S110: Carry out oil and gas adsorption

S120: Generating purified gas

S130: Purify gas exhaust

S140: oil gas adsorption switching

S150: Desorption and enrichment of oil and gas

S160: Concentrated oil and gas transportation

S170: Concentrated Oil Vapor Absorption

S180: Purify gas discharge

S200: Purge gas return

Fig. 1 is a schematic diagram of the system architecture of the first hollow fiber tubular membrane barrel set in the adsorption mode of the present invention.

Fig. 2 is a schematic diagram of the system structure of the second hollow fiber tubular membrane barrel of the present invention set to the adsorption mode.

Fig. 3 is a schematic diagram of the system architecture of the first hollow fiber tubular membrane barrel of the present invention set to the adsorption mode for washing and exhaust gas recycling.

Fig. 4 is the second hollow fiber tubular membrane barrel of the present invention set to the adsorption mode for washing and exhausting again Schematic diagram of the recycling system architecture.

Fig. 5 is a flow chart of the main steps of the present invention.

Fig. 6 is another flow chart of the present invention.

Please refer to Figures 1 to 6, which are schematic diagrams of embodiments of the present invention, and the best implementation of the hollow fiber tubular membrane oil and gas treatment system and its method with scrubbing and absorption towers of the present invention is applied to gas stations, underground oil storage tanks or similar areas, mainly when the oil and gas are converted into purified gas after adsorption, the efficiency can reach 97% or even more than 99%, and it has the effect of enriching oil and gas and reabsorbing treatment.

The hollow fiber tubular membrane oil and gas treatment system with washing absorption towers of the present invention mainly includes a double-barrel hollow fiber tubular membrane adsorption device 1, an oil and gas delivery pipeline 30, an exhaust delivery pipeline 40 and a scrubbing absorption tower 50, and the double-barrel hollow fiber tubular membrane adsorption equipment 1 is separately provided with a first hollow fiber tubular membrane barrel 10 and a second hollow fiber tubular membrane barrel 20 (as shown in Figures 1 to 4), and the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 are filled with a plurality of tubular hollow fiber tubular membrane adsorption materials 103, 203 respectively, wherein the tubular hollow fiber tubular membrane adsorption materials 103, 203 are made of polymer and adsorbent, and the polymer is made of polysulfone (PSF), polyethersulfone (PESF), polyvinylidene fluoride (polyvinylidene fluoride) , PVDF), polyphenylsulfone (polyphenylsulfone, PPSU), polyacrylonitrile (polyacrylonitrile), cellulose acetate, cellulose diacetate, polyimide (PI), polyetherimide, polyamide, polyvinyl alcohol, polylactic acid, polyglycolic acid, polylactic-co-glycolic acid (polylactic-co-glycolic acid), polycaprolactone, polyvinylpyrrolone yvinyl pyrrolidone), ethylene vinyl alcohol (ethylene vinyl At least one of the group consisting of alcohol), polydimethylsiloxane, polytetrafluoroethylene and cellulose acetate (CA). The tubular hollow fiber tubular membrane adsorbents 103 and 203 made with a diameter and an outer diameter of more than 0.5mm have a high specific surface area, are easy to adsorb and desorb, so the amount of adsorbent used is smaller than that of the traditional particle type, and the same dynamic adsorption performance can be achieved, and less heat energy is naturally used to complete the desorption during desorption, so it has an energy-saving effect.

In addition, the adsorbent ratio of the tubular hollow fiber tubular membrane adsorbent material 103, 203 is 10%~90%, and the adsorbent is a powder, the plurality of particles of the powder have a particle size of 0.005 to 50um, and the plurality of particles of the powder have a two-dimensional or three-dimensional pore structure, and the pores are regular or irregular shapes, wherein the adsorbent is made of molecular sieve, A-type zeolite (such as 3A, 4A or 5A), X-type At least one of the group consisting of zeolite (such as 13X), Y-type zeolite (such as ZSM-5), mesoporous molecular sieve (such as MCM-41, 48, 50 and SBA-15), metal organic framework (Metal Organic Frameworks: MOF), activated carbon or graphene.

In addition, at least one absorber 501 and at least one absorber filler 502 (as shown in Fig. 1 to Fig. 4 ) are provided in the scrubbing and absorbing tower 50, wherein the absorbent 501 is arranged below the scrubbing and absorbing tower 50, the absorbent 501 is a liquid, and the present invention uses diesel oil, and the absorbent 501 can also be other liquids that can be fully contacted, so as to improve the absorption efficiency of the absorbent 501. In addition, the absorption tower packing 502 is arranged in the middle of the washing absorption tower 50, and the absorption tower packing 502 is mainly used to increase the contact area between the liquid and the gas flow, thereby increasing the surface area for reaction and absorption. The absorption tower packing 502 is divided into Raschig ring saddle packing or corrugated packing, which can provide a large gas-liquid contact surface, so that the absorption tower packing 502 can be easily wetted by the liquid. Only the wetted surface is the gas-liquid contact surface. And the absorption tower packing 502 has random stacking (dumped packing) packing and orderly pushing (stacked packing) Packing) packing, etc., so that there is a chance of sufficient contact between the gas and the liquid.

The above-mentioned scrubbing and absorbing tower 50 is provided with a circulation pipeline 60 (as shown in Fig. 1 to Fig. 4), one end of the circulation pipeline 60 is connected to the place below the scrubbing and absorbing tower 50, which is the position of the absorbent 501, and the other end of the circulation pipeline 60 is extended to penetrate the top of the scrubbing and absorbing tower 50, that is, the top of the absorption tower packing 502, and the other end of the circulation pipeline 60 is provided with at least one spray head 61 (as shown in Fig. 1 to Fig. 4 shown), the absorbent 501 located below the scrubbing and absorbing tower 50 can be transported to the top of the scrubbing and absorbing tower 50 through the circulation pipeline 60, and is sprayed down from the top of the scrubbing and absorbing tower 50 by the spray head 61, so as to flow through the absorbing tower packing 502 arranged in the middle of the scrubbing and absorbing tower 50, so that the absorbing tower packing 502 can adhere to a layer of film (not shown). The layer film is absorbed and removed. Wherein the circulation pipeline 60 is provided with a circulation pump 62 (as shown in Figures 1 to 4), so that the absorbent 501 can be pushed from one end of the circulation pipeline 60 to the other end of the circulation pipeline 60, so as to have a push-up performance.

In addition, the first hollow fiber tubular membrane barrel 10 of the double barrel type hollow fiber tubular membrane adsorption device 1 is provided with a first pipeline 11 and a second pipeline 12, and the second hollow fiber tubular membrane barrel 20 of the double barrel hollow fiber tubular membrane adsorption equipment 1 is provided with a third pipeline 21 and a fourth pipeline 22 (as shown in the first figure to the fourth figure), and the first pipeline 11 of the first hollow fiber tubular membrane barrel 10 is connected to the second hollow fiber tubular membrane barrel 2 An air inlet communication pipeline 70 and an air outlet communication pipeline 80 are respectively provided between the third pipeline 21 of 0, and an exhaust communication pipeline 90 (as shown in the first figure to the fourth figure) is arranged between the second pipeline 12 of the first hollow fiber tubular membrane barrel 10 and the fourth pipeline 22 of the second hollow fiber tubular membrane barrel 20 in addition. The air intake communication pipeline 70 is provided with a first air intake valve 71 and a third air intake valve 73, the first air intake valve 71 is close to the first pipeline 11, and the third air intake valve 73 is close to the third pipeline 21, so that the gas flow in the air intake communication pipeline 70 can be controlled through the first air intake valve 71 and the third air intake valve 73, and the air outlet communication pipeline 80 is provided with a first air outlet valve 81 and a third air outlet valve 83. The first pipeline 11, and the third gas outlet valve 83 is close to the third pipeline 21, so that the gas flow in the gas outlet communication pipeline 80 can be controlled through the first gas outlet valve 81 and the third gas outlet valve 83, and the exhaust communication pipeline 90 is provided with a second exhaust valve 92 and a fourth exhaust valve 94. The fourth exhaust valve 94 is used to control the gas flow in the exhaust communication pipeline 90 .

And the second pipeline 12 of the above-mentioned first hollow fiber tubular membrane barrel 10 is connected with a second extension pipeline 121, and the second extension pipeline 121 is provided with a second extension valve 1211 and a second extension flow limiting valve 1212 (as shown in the first figure to the fourth figure), and the second extension valve 1211 is used to control the gas flow in the second extension pipeline 121, and through the second extension flow limiting valve 1212 to limit the gas flow in the second extension pipeline 121 The gas flows out from the other end, and the fourth pipeline 22 of the second hollow fiber tube type membrane bucket 20 is connected with a fourth extension pipeline 221. The fourth extension pipeline 221 is provided with a fourth extension valve 2211 and a fourth extension flow limiting valve 2211 (as shown in Figures 1 to 4). The gas in the path 221 flows out from the other end.

In addition, the air intake communication pipeline 70 is connected to the oil and gas delivery pipeline 30, and one end of the oil and gas delivery pipeline 30 is connected to an oil and gas generation place (not shown in the figure), wherein the oil and gas generation place is any one of the oil and gas in the tank truck unloading process (one-time oil and gas), the oil and gas in the refueling process (secondary oil and gas), and the oil and gas exhaled from the underground oil tank (tertiary oil and gas), and the other end of the oil and gas delivery pipeline 30 is connected to the intake communication pipeline 70 , so that the oil and gas can be transported to the intake communication pipeline 70 through the oil and gas delivery pipeline 30 (as shown in the first figure and the second figure), and then through the first intake valve 71 and the third intake valve 73 to control the switch respectively, so that the oil and gas can pass through the intake communication pipeline 70 and pass through the first pipeline 11 to enter the first hollow fiber tubular membrane barrel 10 for adsorption (as shown in the first figure and the second figure), or through the intake communication pipeline 70 to pass through the third pipeline 21 to enter Adsorption is carried out in the second hollow fiber tubular membrane barrel 20 (as shown in Figure 2), and the oil and gas delivery pipeline 30 is provided with an oil and gas control valve 31 (as shown in Figures 1 to 4), through which the oil and gas control valve 31 controls the flow of oil and gas entering the oil and gas delivery pipeline 30.

In addition, the exhaust communication pipeline 90 is connected to one end of the exhaust delivery pipeline 40, and the other end of the exhaust delivery pipeline 40 is divided into two implementations, wherein the first implementation is that the other end of the exhaust connection delivery pipeline 40 is connected to a chimney 41 (as shown in Figure 1), and the second embodiment is that the other end of the exhaust delivery pipeline 40 is delivered to the atmosphere (as shown in Figure 2). Thereby, the purified gas produced after the first hollow fiber tubular membrane barrel 10 is subjected to oil and gas adsorption can be output to the exhaust communication pipeline 90 through the second pipeline 12, and then the purified gas is discharged through the other end of the exhaust delivery pipeline 40 (as shown in FIG. 1 ), or the purified gas produced after the second hollow fiber tubular membrane barrel 20 is subjected to oil and gas adsorption can be output to the exhaust communication pipeline 90 through the fourth pipeline 22, and then passed through the exhaust delivery pipeline 40. Send the other end of pipeline 40 to discharge purge gas (as shown in Figure 2).

In addition, the scrubbing and absorbing tower 50 is provided with a desorption discharge pipeline 51 and a scrubbing exhaust pipeline 52, and one end of the desorption discharge pipeline 51 is connected with the gas outlet communication pipeline 80, so that the concentrated oil and gas desorbed in the first hollow fiber tubular membrane barrel 10 can be exported to the gas outlet communication pipeline 80 through the first pipeline 11, and then transported to the desorption discharge pipeline 51 through the gas outlet communication pipeline 80 (as shown in Figure 2), or The desorbed concentrated oil and gas in the second hollow fiber tubular membrane barrel 20 can be output to the gas outlet communication pipeline 80 through the third pipeline 21, and then transported to the desorption discharge pipeline 51 (as shown in FIG. 1 ) through the gas outlet communication pipeline 80. The other end of the above-mentioned desorption discharge pipeline 51 is connected to the scrubbing and absorbing tower 50, wherein the connection of the scrubbing and absorbing tower 50 is where the scrubbing and absorbing tower 50 is provided with an absorbent 501, so that the concentrated oil and gas transported by the desorption and discharging pipeline 51 can fully contact with the absorbent 501 and be absorbed by the absorbent 501. In addition, the desorption discharge pipeline 51 is provided with a vacuum pump 511 (as shown in Figures 1 to 4), and through the vacuum pump 511, the oil and gas in the first hollow fiber tubular membrane adsorption bucket 10 or the second hollow fiber tubular membrane adsorption bucket 20 can be desorbed through the vacuum pump 511 on the one hand, and the concentrated oil and gas desorbed by the gas outlet communication pipeline 80 can be pushed to the desorption discharge pipeline 51 on the one hand. The washing absorption tower 50.

In addition, one end of the scrubbing exhaust pipeline 52 is connected to the scrubbing absorption tower 50, and the other end of the scrubbing exhaust pipeline 52 is divided into two types of implementations, wherein the first implementation is that the other end of the scrubbing exhaust pipeline 52 is connected to a chimney 41 (as shown in Figure 2), and the second embodiment is that the other end of the scrubbing exhaust pipeline 52 is transported to the atmosphere (as shown in Figure 1), whereby the oil and gas will be concentrated through the scrubbing and absorption tower 50 The purified gas generated after absorption can be discharged into the external atmosphere through the scrubbing exhaust pipeline 52 .

The other end of the washing and exhausting pipeline 52 can also carry out the embodiment of recycling and adsorption in addition to the discharge of the external atmosphere of the above-mentioned two embodiments, wherein the other end of the washing and exhausting pipeline 52 is connected with the oil and gas delivery pipeline 30 (as shown in Figures 3 and 4), mainly because the scrubbing and absorbing tower 50 carries out concentrated oil and gas absorption. back into the oil and gas delivery pipeline 30, so that the purified gas in the washing exhaust pipeline 50 can be mixed with the oil and gas in the oil and gas delivery pipeline 30, and then transported to the air intake communication pipeline 70 through the other end of the oil and gas delivery pipeline 30 (as shown in Figures 3 and 4), and enter the first hollow fiber tubular membrane barrel 10 through the first pipeline 11 communicated with the intake communication pipeline 70 for oil and gas adsorption (as shown in Figure 3), or the intake communication The third pipeline 21 communicated with the pipeline 70 enters the second hollow fiber tubular membrane barrel 20 for re-adsorption of oil and gas (as shown in FIG. 3 ).

Furthermore, in the actual operation of the present invention, it is mainly that the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 of the double-barrel hollow fiber tubular membrane adsorption device 1 have different options for adsorption mode and desorption mode, wherein the first implementation option is set by time (not shown), for example, it is set to 10 minutes (not limited to this embodiment). The second hollow fiber tubular membrane barrel 20 originally in the desorption mode is converted into the adsorption mode. The second implementation option is to set the concentration (not shown), through which the exhaust delivery pipeline 40 is provided with a concentration detector (not shown), so that the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 can perform adsorption mode and desorption mode according to the concentration detected by the concentration detector. switch.

When the above-mentioned first hollow fiber tubular membrane barrel 10 is set to the adsorption mode (as shown in the first figure and the third figure), the second hollow fiber tubular membrane barrel 20 is then set to the desorption mode, wherein the first air intake valve 71 which is located on the air intake communication pipeline 70 and is close to the first pipeline 11 is in an open state, so that oil and gas can flow through the first air intake valve 71 of the air intake communication pipeline 70 and then enter the first hollow fiber tubular membrane barrel 10 for adsorption. The third intake valve 73 disposed on the intake communication pipeline 70 and close to the third pipeline 21 is in a closed state. The second exhaust valve 92, which is also arranged on the exhaust communication pipeline 90 and close to the second pipeline 12, is in an open state, so that the purified gas generated after the oil gas is adsorbed in the first hollow fiber tube type membrane barrel 10 flows through the second pipeline 12, flows through the second exhaust valve 92 of the exhaust communication pipeline 90, and then enters the exhaust delivery pipeline 40 (as shown in Figures 1 and 3). The fourth exhaust valve 94 on the road 90 and close to the fourth pipeline 22 is closed.

Furthermore, the desorption discharge pipeline 51 is provided with a vacuum pump 511. When the second hollow fiber tubular membrane barrel 20 is performing vacuum swing adsorption (VSA) desorption and desorption is carried out by vacuuming, the third gas outlet valve 83, which is additionally located on the gas outlet communication pipeline 80 and close to the third pipeline 21, is in an open state (as shown in FIGS. 1 and 3 ), so that the second hollow fiber tubular membrane barrel 20 After the adsorption, the oil and gas decanted into concentrated oil and gas, and flow through the third pipeline 21 to flow through the third outlet valve 83 of the outlet communication pipeline 80, then enter the desorption discharge pipeline 51, and then transport it to the lower part of the washing absorption tower 50 to allow the absorbent 501 to absorb, and finally the washing and absorption tower 50 is discharged by the washing exhaust pipeline 52 The purified gas generated after the concentrated oil gas absorption is discharged, and the first gas outlet valve 81 arranged on the gas outlet communication pipeline 80 and close to the first pipeline 11 is closed.

Conversely, when the second hollow fiber tubular membrane barrel 20 is set to the adsorption mode (as shown in Figures 2 and 4), the first hollow fiber tubular membrane barrel 10 is then set to the desorption mode, wherein the third intake valve 73, which is located on the intake communication pipeline 70 and close to the third pipeline 21, is in an open state, so that oil and gas can flow through the third pipeline 21 through the third intake valve 73 of the intake communication pipeline 70, and then enter the second hollow fiber tubular membrane barrel 20 for further desorption. adsorption, while the first intake valve 71 located on the intake communication pipeline 70 and close to the first pipeline 11 is closed. The fourth exhaust valve 94, which is also arranged on the exhaust communication pipeline 90 and close to the fourth pipeline 22, is in an open state, so that the purified gas generated after the second hollow fiber tube membrane barrel 20 absorbs oil and gas flows through the fourth pipeline 22, flows through the fourth exhaust valve 94 of the exhaust communication pipeline 90, and enters the exhaust delivery pipeline 40 (as shown in Figures 2 and 4), and then the purified gas is discharged from the other end of the exhaust delivery pipeline 40. The second exhaust valve 92 on the road 90 and close to the second pipeline 12 is closed.

Furthermore, the desorption discharge pipeline 51 is equipped with a vacuum pump 511. When the first hollow fiber tubular membrane barrel 10 is performing vacuum swing adsorption (VSA) desorption, and desorption is carried out by vacuuming, the first gas outlet valve 81, which is additionally located on the outlet communication pipeline 80 and close to the first pipeline 11, is in an open state (as shown in FIGS. 2 and 4 ), so that the first hollow fiber tubular membrane barrel 10 After the adsorption, the oil and gas decanted into concentrated oil and gas, and flow through the first pipeline 11 to flow through the first outlet valve 81 of the outlet communication pipeline 80, then enter the desorption discharge pipeline 51, and then transport it to the lower part of the washing absorption tower 50 to allow the suction absorber 501, and finally the scrubbing and absorbing tower 50 carries out concentrated oil and gas absorption through the scrubbing exhaust pipeline 52 to discharge the purified gas produced, while the third gas outlet valve 83, which is located on the gas outlet communication pipeline 80 and is close to the third pipeline 21, is in a closed state.

The hollow fiber tubular membrane oil and gas treatment method with washing absorption tower of the present invention is mainly used in the hollow fiber tubular membrane oil and gas treatment system, and is provided with a double-barrel hollow fiber tubular membrane adsorption device 1, an oil and gas delivery pipeline 30, an exhaust delivery pipeline 40 and a scrubbing absorption tower 50 (as shown in Figures 1 to 4). 0, the first hollow fiber tubular membrane barrel 10 is filled with a plurality of tubular hollow fiber tubular membrane adsorbents 103, the second hollow fiber tubular membrane barrel 20 is filled with a plurality of tubular hollow fiber tubular membrane adsorbents 203, and the tubular hollow fiber tubular membrane adsorbents 103, 203 are made of a polymer and an adsorbent, and the polymer is made of polysulfone (PSF), polyether (pol Yethersulfone, PESF), polyvinylidene fluoride (PVDF), polyphenylsulfone (polyphenylsulfone, PPSU), polyacrylonitrile (polyacrylonitrile), cellulose acetate, cellulose diacetate, polyimide (polyimide, PI), polyetherimide, polyamide, polyvinyl alcohol, polylactic acid, polyglycolic acid, polylactic acid-glycolic acid (pol At least one of the group consisting of ylactic-co-glycolic acid), polycaprolactone, polyvinyl pyrrolidone (polyvinyl pyrrolidone), ethylene vinyl alcohol (ethylene vinyl alcohol), polydimethylsiloxane, polytetrafluoroethylene and cellulose acetate (CA). The tubular hollow fiber tubular membrane adsorbents 103 and 203 made with a diameter and an outer diameter of more than 0.5 mm have a high specific surface area and are easy to adsorb and desorb. Therefore, the amount of adsorbent used is smaller than that of the traditional particle type, and the same dynamic adsorption performance can be achieved. During desorption, less heat energy is naturally used to complete the desorption, so it has an energy-saving effect.

In addition, the adsorbent ratio of the tubular hollow fiber tubular membrane adsorbent material 103, 203 is 10%~90%, and the adsorbent is a powder, the plurality of particles of the powder have a particle size of 0.005 to 50um, and the plurality of particles of the powder have a two-dimensional or three-dimensional pore structure, and the pores are regular or irregular shapes, wherein the adsorbent is made of molecular sieve, A-type zeolite (such as 3A, 4A or 5A), X-type At least one of the group consisting of zeolite (such as 13X), Y-type zeolite (such as ZSM-5), mesoporous molecular sieve (such as MCM-41, 48, 50 and SBA-15), metal organic framework (Metal Organic Frameworks: MOF), activated carbon or graphene.

In addition, the first hollow fiber tubular membrane barrel 10 of the double barrel type hollow fiber tubular membrane adsorption device 1 is provided with a first pipeline 11 and a second pipeline 12, and the second hollow fiber tubular membrane barrel 20 of the double barrel hollow fiber tubular membrane adsorption equipment 1 is provided with a third pipeline 21 and a fourth pipeline 22 (as shown in the first figure to the fourth figure), and the first pipeline 11 of the first hollow fiber tubular membrane barrel 10 is connected to the second hollow fiber tubular membrane barrel 2 Between the third pipeline 21 of 0, an air intake communication pipeline 70 and an air outlet communication pipeline 80 are respectively provided, and an exhaust communication pipeline 90 is provided between the second pipeline 12 of the first hollow fiber tube type membrane barrel 10 and the fourth pipeline 22 of the second hollow fiber tube type membrane bucket 20, wherein the intake communication pipeline 70 is provided with a first inlet valve 71 and a third inlet valve 73, the first inlet valve 71 is close to the first pipeline 11, and the third inlet valve 73 is close to The third pipeline 21 is capable of controlling the flow direction of gas in the intake communication pipeline 70 through the first air intake valve 71 and the third air intake valve 73, and the gas outlet communication pipeline 80 is provided with a first gas outlet valve 81 and a third gas outlet valve 83, the first gas outlet valve 81 is close to the first pipeline 11, and the third gas outlet valve 83 is close to the third pipeline 21, so that the gas outlet communication pipe can be controlled through the first gas outlet valve 81 and the third gas outlet valve 83 The gas flow direction in the road 80, and the exhaust connection The communication pipeline 90 is provided with a second exhaust valve 92 and a fourth exhaust valve 94, the second exhaust valve 92 is close to the second pipeline 12, and the fourth exhaust valve 94 is close to the fourth pipeline 22, so that the gas flow in the exhaust communication pipeline 90 can be controlled through the second exhaust valve 92 and the fourth exhaust valve 94.

And the second pipeline 12 of the above-mentioned first hollow fiber tubular membrane barrel 10 is connected with a second extension pipeline 121, and the second extension pipeline 121 is provided with a second extension valve 1211 and a second extension flow limiting valve 1212 (as shown in the first figure to the fourth figure), and the second extension valve 1211 is used to control the gas flow in the second extension pipeline 121, and through the second extension flow limiting valve 1212 to limit the gas flow in the second extension pipeline 121 The gas flows out from the other end, and the fourth pipeline 22 of the second hollow fiber tube type membrane barrel 20 is connected with a fourth extension pipeline 221. The fourth extension pipeline 221 is provided with a fourth extension valve 2211 and a fourth extension flow limiting valve 2212 (as shown in Figures 1 to 4). The gas in the path 221 flows out from the other end.

The main steps of the oil and gas processing method (as shown in FIG. 5 ) include step S100 oil and gas transportation: oil and gas are delivered to the air intake communication pipeline 70 through the other end of the oil and gas delivery pipeline 30 . After the above step S100 is completed, the next step S110 is performed.

Wherein the above-mentioned air intake communication pipeline 70 is connected with the oil-gas delivery pipeline 30, and one end of the oil-gas delivery pipeline 30 is connected to the oil-gas generation place (not shown in the figure), wherein the oil-gas generation place is the oil-gas (disposable oil-gas) of the oil tanker unloading process and the oil-gas of the refueling process. (secondary oil and gas), oil and gas exhaled from underground oil tanks (tertiary oil and gas). In addition, the oil and gas transmission pipeline 30 is provided with an oil and gas control valve 31 , through which the flow of oil and gas entering the oil and gas transmission pipeline 30 is controlled.

In addition, the next step S110 is to perform oil and gas adsorption: enter the first hollow fiber tubular membrane barrel 10 through the first pipeline 11 connected with the air intake communication pipeline 70 to perform oil and gas adsorption. After the above step S110 is completed, the next step S120 is performed.

Wherein when the above-mentioned first hollow fiber tubular membrane barrel 10 is set to the adsorption mode (as shown in the first figure and the third figure), the second hollow fiber tubular membrane barrel 20 is then set to the desorption mode, wherein the first intake valve 71 which is arranged on the air intake communication pipeline 70 and is close to the first pipeline 11 is in an open state, so that oil and gas can flow through the first pipeline 11 through the first intake valve 71 of the intake communication pipeline 70 and then enter the first hollow fiber tubular membrane barrel 10 for adsorption. The third intake valve 73 disposed on the intake communication pipeline 70 and close to the third pipeline 21 is in a closed state.

In addition, the next step S120 is to generate purified gas: output the purified gas generated after oil and gas adsorption to the exhaust communication pipeline 90 through the second pipeline 12 . After the above step S120 is completed, the next step S130 is performed.

Wherein the above-mentioned second exhaust valve 92 that is located on the exhaust communication pipeline 90 and is close to the second pipeline 12 is in an open state, so that the purified gas generated after the oil gas is absorbed in the first hollow fiber tubular membrane barrel 10 flows through the second pipeline 12 and then enters the exhaust delivery pipeline 40 through the second exhaust valve 92 of the exhaust communication pipeline 90 (as shown in Figures 1 and 3), and then the purified gas is discharged from the other end of the exhaust delivery pipeline 40. The fourth exhaust valve 94 on the road 90 and close to the fourth pipeline 22 is closed closed state.

In addition, the next step S130 is to exhaust the purified gas: to discharge the purified gas through the other end of the exhaust delivery pipeline 40 connected with the exhaust communication pipeline 90 . After the above step S130 is completed, the next step S140 is performed.

Wherein the above-mentioned exhaust communication pipeline 90 is connected with one end of the exhaust delivery pipeline 40, and the other end of the exhaust delivery pipeline 40 is divided into two kinds of embodiments, wherein the first embodiment is that the other end of the exhaust connection delivery pipeline 40 is connected with a chimney 41 (as shown in Figure 1), and the second embodiment is that the other end of the exhaust delivery pipeline 40 is transported into the atmosphere (as shown in Figure 2). Thereby, the purified gas produced after the first hollow fiber tubular membrane barrel 10 is subjected to oil and gas adsorption can be output to the exhaust communication pipeline 90 through the second pipeline 12, and then the purified gas is discharged through the other end of the exhaust delivery pipeline 40 (as shown in FIG. 1 ), or the purified gas produced after the second hollow fiber tubular membrane barrel 20 is subjected to oil and gas adsorption can be output to the exhaust communication pipeline 90 through the fourth pipeline 22, and then discharged through the other end of the exhaust delivery pipeline 40. Gas (as shown in Figure 2 and Figure 4).

In addition, the next step S140 is oil gas adsorption switching: after a period of time, the oil gas enters the second hollow fiber tubular membrane barrel 20 through the third pipeline 21 connected to the air intake communication pipeline 70 for oil gas adsorption. After the above step S140 is completed, the next step S150 is performed.

Wherein the above-mentioned practical operation, the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 of the double-barrel hollow fiber tubular membrane adsorption device 1 have different options in the adsorption mode and the desorption mode, wherein the first implementation option is set by time (not shown), for example, it is set to be limited to 10 minutes (not limited to this embodiment), when the time is up, originally The first hollow fiber tubular membrane barrel 10 in the adsorption mode changes to the desorption mode, while the second hollow fiber tubular membrane barrel 20 originally in the desorption mode changes to the adsorption mode. The second implementation option is to set by concentration (not shown in the figure), and a concentration detector (not shown in the figure) is provided through the exhaust delivery pipeline 40, so that the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 can switch between the adsorption mode and the desorption mode according to the concentration detected by the concentration detector.

In addition, the next step S150 desorbs and concentrates oil and gas: the first hollow fiber tubular membrane barrel 10 desorbs the absorbed oil and gas into concentrated oil and gas. After the above step S150 is completed, the next step S160 is performed.

Wherein the above-mentioned desorption discharge pipeline 51 is equipped with a vacuum pump 511. When the first hollow fiber tubular membrane barrel 10 is performing vacuum swing adsorption (VSA) desorption, and desorption is performed by vacuuming, the first gas outlet valve 81, which is additionally located on the outlet communication pipeline 80 and close to the first pipeline 11, is in an open state (as shown in FIGS. 2 and 4 ), so that the first hollow fiber tubular membrane barrel 10 After the adsorption, the oil gas is decapitated to form concentrated oil gas, and the third gas outlet valve 83 arranged on the gas outlet communication pipeline 80 and close to the third pipeline 21 is closed.

In addition, the next step S160 is concentrated oil and gas delivery: and the concentrated oil and gas are delivered to the outlet communication pipeline 80 through the first pipeline 11 . After the above step S160 is completed, the next step S170 is performed.

Wherein one end of the above-mentioned desorption discharge pipeline 51 is connected with the gas outlet communication pipeline 80, so that the concentrated oil gas desorbed in the first hollow fiber tubular membrane barrel 10 can be output to the gas outlet communication pipeline 80 through the first pipeline 11, and then transported to the desorption discharge pipeline 51 through the gas outlet communication pipeline 80 (as shown in Figures 2 and 4).

In addition, the next step S170 is concentrated oil gas absorption: the concentrated oil gas is then transported to the scrubbing absorption tower 50 through the desorption discharge pipeline 51 connected with the gas outlet communication pipeline 80 for concentrated oil gas absorption. After the above step S170 is completed, the next step S180 is performed.

Wherein the above-mentioned scrubbing absorption tower 50 is provided with a desorption discharge pipeline 51 and a scrubbing exhaust pipeline 52, and the other end of the desorption discharge pipeline 51 is connected with the scrubbing absorption tower 50 (as shown in Figure 1 to Fig. 4), wherein the connection of the scrubbing absorption tower 50 is the place where the scrubbing absorption tower 50 is provided with an absorbent 501, so that the concentrated oil gas transported by the desorption discharge pipeline 51 can fully contact with the absorbent 501 and be absorbed by the absorbent 501 to absorb. In addition, the desorption discharge pipeline 51 is provided with a vacuum pump 511 (as shown in Figures 1 to 4), and through the vacuum pump 511, the oil and gas in the first hollow fiber tubular membrane adsorption bucket 10 or the second hollow fiber tubular membrane adsorption bucket 20 can be desorbed through the vacuum pump 511 on the one hand, and the concentrated oil and gas desorbed by the gas outlet communication pipeline 80 can be pushed to the desorption discharge pipeline 51 on the one hand. The washing absorption tower 50.

In addition, at least one absorber 501 and at least one absorber filler 502 (as shown in Fig. 1 to Fig. 4 ) are provided in the above-mentioned washing and absorbing tower 50, wherein the absorbing agent 501 is arranged below the washing and absorbing tower 50, and the absorbing agent 501 is liquid, and the present invention adopts diesel oil, and the absorbing agent 501 can also be other liquids that can be fully contacted, so as to improve the absorption efficiency of the absorbing agent. In addition, the absorption tower packing 502 is located in the middle of the scrubbing absorption tower 50, and the absorption tower packing 502 is mainly used to increase the contact area between the liquid and the gas flow, thereby increasing the surface area for reaction and absorption, wherein the absorption tower packing 502 is divided into Raschig ring saddle packing or corrugated packing, which can provide a large gas-liquid contact surface, so that the absorption tower The packing 502 can be easily wetted by liquid, and only the wetted surface is the gas-liquid contact surface. Moreover, the packing 502 of the absorption tower has the methods of random dumped packing and stacked packing, so that the gas and the liquid have sufficient contact opportunities.

And above-mentioned scrubbing absorption tower 50 is provided with a circulation pipeline 60 (as shown in Fig. 1 to Figure 4), one end of this circulation pipeline 60 is connected with the place below this scrubbing absorption tower 50, that is, the position of the absorbent 501, and the other end of the circulation pipeline 60 is extended through the top of the scrubbing absorption tower 50, that is, the top place of the absorption tower packing 502, and the other end of the circulation pipeline 60 is provided with at least one spray head 61, giving way to the scrubbing absorption tower 50 The absorbent 501 at the lower position can be transported to the top of the scrubbing and absorbing tower 50 through the circulation pipeline 60, and is sprayed down from the top of the scrubbing and absorbing tower 50 by the spray head 61, so as to flow through the absorbing tower packing 502 arranged in the middle of the scrubbing and absorbing tower 50, so that the absorbing tower packing 502 can adhere to a layer of film (not shown). Wherein the circulation pipeline 60 is provided with a circulation pump 62 (as shown in Figures 1 to 4), so that the absorbent 501 can be pushed from one end of the circulation pipeline 60 to the other end of the circulation pipeline 60, so as to have a push-up performance.

In addition, the next step S180 is to discharge the purified gas: the purified gas generated after the concentrated oil gas is absorbed through the scrubbing and absorbing tower 50 can be discharged through the scrubbing and exhausting pipeline 52 .

Wherein one end of the above-mentioned scrubbing exhaust pipeline 52 is connected with the scrubbing absorption tower 50, and the other end of the scrubbing exhaust pipeline 52 is divided into two kinds of embodiments, wherein the first embodiment is that the other end of the scrubbing exhaust pipeline 52 is connected with a chimney 41 (as shown in Figure 2), and the second embodiment is that the other end of the scrubbing exhaust pipeline 52 is transported To the atmosphere (as shown in FIG. 1 ), thereby, the purified gas produced after the concentrated oil gas is absorbed by the scrubbing and absorbing tower 50 can be discharged into the external atmosphere through the scrubbing exhaust pipeline 52 .

Furthermore, another step of the present invention (as shown in FIG. 6 ) is to include the following steps after the discharge of the purified gas in the above-mentioned step S180. Step S200 is to return the purified gas: the other end of the cleaning exhaust pipeline 52 is connected to the oil and gas delivery pipeline 30, so that the purified gas in the cleaning and exhaust pipeline 52 is returned to the oil and gas delivery pipeline 30.

Wherein the other end of the above-mentioned washing and exhausting pipeline 52 is connected with the oil and gas delivery pipeline 30 (as shown in Fig. 3 and Fig. 4), mainly because the purified gas produced by the washing and absorbing tower 50 after the concentrated oil and gas absorption contains thin oil and gas, therefore, the purified gas produced by the washing and absorbing tower 50 after the concentrated oil and gas absorption can be transported back to the oil and gas delivery pipeline 30 by the washing and exhausting pipeline 52, so that the purified gas in the washing and exhausting pipeline 52 can be combined with the oil and gas delivery pipeline 3 After the oil and gas in 0 are mixed, they are transported to the intake communication pipeline 70 through the other end of the oil and gas delivery pipeline 30, and enter the first hollow fiber tubular membrane barrel 10 through the first pipeline 11 connected with the intake communication pipeline 70 for oil and gas resorption (as shown in Figure 3), or the third pipeline 21 communicated with the intake communication pipeline 70 enters the second hollow fiber tubular membrane barrel 20 for oil and gas resorption (as shown in Figure 4).

Wherein when the second hollow fiber tubular membrane barrel 20 is set to the adsorption mode (as shown in Fig. 2 and Fig. 4), the first hollow fiber tubular membrane barrel 10 is then set to the desorption mode, wherein the third intake valve 73, which is located on the intake communication pipeline 70 and is close to the third pipeline 21, is in an open state, so that oil and gas can flow through the third pipeline 21 through the third intake valve 73 of the intake communication pipeline 70, and then enter the second hollow fiber tubular membrane barrel 20. adsorption, while the first intake valve 71 located on the intake communication pipeline 70 and close to the first pipeline 11 is closed. The fourth exhaust valve 94, which is also provided on the exhaust communication pipeline 90 and close to the fourth pipeline 22, is in an open state, so that the purified gas generated after the second hollow fiber tubular membrane barrel 20 is absorbed by oil and gas flows through the fourth pipeline 22, passes through the fourth exhaust valve 94 of the exhaust communication pipeline 90, and then enters the exhaust delivery pipeline 40, and then the purified gas is discharged from the other end of the exhaust delivery pipeline 40. 2 of the second exhaust valve 92 is closed.

Furthermore, when the second hollow fiber tubular membrane barrel 20 becomes the desorption mode (as shown in Fig. 1 and Fig. 3 ), and the first hollow fiber tubular membrane barrel 10 becomes the adsorption mode, the desorption discharge pipeline 51 is provided with a vacuum pump 511. The third gas outlet valve 83 above 0 and close to the third pipeline 21 is in an open state, so that the adsorbed oil gas in the second hollow fiber tubular membrane barrel 20 can deenergy and attach to concentrated oil gas, and flow through the third pipeline 21 through the third gas outlet valve 83 of the gas outlet communication pipeline 80 and enter the desorption discharge pipeline 51, and then transport it to the bottom of the washing absorption tower 50 to be absorbed by the absorbent 501, and finally the washing and exhaust pipeline 52 is used for washing and absorbing The purified gas generated after the tower 50 absorbs the concentrated oil gas is discharged, and the first gas outlet valve 81 arranged on the gas outlet communication pipeline 80 and close to the first pipeline 11 is closed.

From the above detailed description, those who are familiar with this art can understand that the present invention can indeed achieve the aforementioned purpose, and have actually met the provisions of the Patent Law, so they should file an application for a patent for invention.

But what is described above is only a preferred embodiment of the present invention, and should not be used in this way. The implementation scope of the present invention is limited; therefore, all simple equivalent changes and modifications made according to the scope of the patent application for the present invention and the contents of the description of the invention shall still fall within the scope covered by the patent of the present invention.

1: Double barrel hollow fiber tubular membrane adsorption equipment

10: The first hollow fiber tubular membrane barrel

20: The second hollow fiber tubular membrane barrel

103:Hollow fiber tubular membrane adsorption material

203:Hollow fiber tubular membrane adsorption material

11: The first pipeline

21: The third pipeline

12: Second pipeline

22: The fourth pipeline

121: the second extension pipeline

221: The fourth extension pipeline

1211: Second extension valve

2211: Fourth extension valve

1212: The second extension restrictor valve

2212: The fourth extended restrictor valve

30: Oil and gas transmission pipeline

40:Exhaust delivery pipeline

50: washing absorption tower

501: absorbent

502: Absorption tower packing

51: Desorption discharge pipeline

52: Wash exhaust pipe

60:Circulation pipeline

61: sprinkler head

70: Intake connecting pipeline

71: The first intake valve

73: The third intake valve

80: Outlet connecting pipeline

81: The first outlet valve

83: The third outlet valve

90: Exhaust connecting pipe

92: Second exhaust valve

94: The fourth exhaust valve

Claims (28)

A hollow fiber tubular membrane oil and gas treatment system with a washing absorption tower, comprising: a double-barrel hollow fiber tubular membrane adsorption device, the double-barrel hollow fiber tubular membrane adsorption equipment is divided into a first hollow fiber tubular membrane barrel and a second hollow fiber tubular membrane barrel, the first hollow fiber tubular membrane barrel is filled with a plurality of tubular hollow fiber tubular membrane adsorption materials, the first hollow fiber tubular membrane barrel is provided with a first pipeline and a second pipeline, the second hollow fiber tubular membrane The tubular membrane barrel is filled with a plurality of tubular hollow fiber tubular membrane adsorbents. The second hollow fiber tubular membrane barrel is provided with a third pipeline and a fourth pipeline. Between the first pipeline and the third pipeline, an air inlet communication pipeline and an air outlet communication pipeline are respectively provided. An exhaust communication pipeline is arranged between the second pipeline and the fourth pipeline. The intake communication pipeline is connected; an exhaust delivery pipeline, one end of the exhaust delivery pipeline is connected with the exhaust communication pipeline; and a scrubbing absorption tower, the scrubbing absorption tower is provided with a circulation pipeline, a desorption discharge pipeline and a washing exhaust pipeline, one end of the desorption discharge pipeline is connected with the gas outlet communication pipeline, and the other end of the desorption discharge pipeline is connected with the scrubbing absorption tower, wherein a vacuum pump is arranged on the desorption discharge pipeline, and one end of the scrubbing exhaust pipeline is connected to the scrubbing absorption tower One end of the circulation pipeline is connected to the bottom of the washing absorption tower, the other end of the circulation pipeline is extended into the washing absorption tower, and the circulation pipeline is provided with a circulation pump. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower described in item 1 of the patent scope of the application, wherein the other end of the washing exhaust pipeline is further connected to a chimney. The hollow fiber tubular membrane oil and gas treatment system with scrubbing absorption tower described in item 1 of the patent scope of the application, wherein the other end of the scrubbing exhaust pipeline is further transported to the atmosphere. The hollow fiber tubular membrane oil and gas treatment system with washing and absorbing tower described in item 1 of the patent scope of the application, wherein the other end of the washing and exhaust pipeline is further connected to the oil and gas delivery pipeline. The hollow fiber tubular membrane oil and gas treatment system with washing and absorbing tower described in Item 1 of the patent scope of the application, wherein the other end of the exhaust gas delivery pipeline is further connected to a chimney. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower as described in item 1 of the patent scope of the application, wherein the other end of the exhaust gas delivery pipeline is further transported to the atmosphere. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower as described in item 1 of the scope of the patent application, wherein the air inlet communication pipeline is further provided with a first air inlet valve and a third air inlet valve. The hollow fiber tubular membrane oil and gas treatment system with washing and absorbing tower described in item 1 of the scope of patent application, wherein the gas outlet communication pipeline is further provided with a first gas outlet valve and a third gas outlet valve. The hollow fiber tubular membrane oil and gas treatment system with scrubbing absorption tower described in item 1 of the scope of patent application, wherein the exhaust communication pipeline is further provided with a second exhaust valve and a fourth exhaust valve. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower as described in item 1 of the patent application, wherein the second pipeline is further connected to a second extension pipeline, and the second extension pipeline is further provided with a second extension valve and a second extension flow limiting valve. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower described in item 1 of the patent application, wherein the fourth pipeline is further connected to a fourth extension pipeline, and the fourth extension pipeline is further provided with a fourth extension valve and a fourth extension flow limiting valve. The hollow fiber tubular membrane oil and gas treatment system with scrubbing and absorbing tower as described in item 1 of the scope of the patent application, wherein at least one absorbent is further provided in the scrubbing and absorbing tower, and the absorbent is diesel oil. The hollow fiber tubular membrane oil and gas treatment system with scrubbing and absorbing tower described in item 1 of the patent scope of the application, wherein the scrubbing and absorbing tower is further equipped with at least one packing of the absorbing tower. The hollow fiber tubular membrane oil and gas treatment system with washing absorption tower as described in item 1 of the patent scope of the application, wherein the other end of the circulation pipeline is provided with at least one spray head. A hollow fiber tubular membrane oil and gas treatment method with a washing absorption tower, which is mainly used in a hollow fiber tubular membrane oil and gas treatment system, and is provided with a double-barrel hollow fiber tubular membrane adsorption device, an oil and gas conveying pipeline, an exhaust conveying pipeline and a washing and absorbing tower. The second hollow fiber tubular membrane barrel is filled with a plurality of tubular hollow fiber tubular membrane adsorbents. The first hollow fiber tubular membrane barrel is provided with a first pipeline and a second pipeline. The second hollow fiber tubular membrane bucket is provided with a third pipeline and a fourth pipeline. Between the first pipeline and the third pipeline are respectively provided an air inlet communication pipeline and an air outlet communication pipeline. Between the second pipeline and the fourth pipeline is an exhaust communication pipeline. The system is equipped with a circulation pipeline and a desorption discharge pipeline and a washing and exhaust pipeline, the desorption discharge pipeline is provided with a vacuum pump, and the main steps of the oil and gas treatment method include: oil and gas transportation: transporting the oil and gas through the other end of the oil and gas delivery pipeline to the intake communication pipeline; oil and gas adsorption: entering the first hollow fiber tubular membrane barrel through the first pipeline connected with the intake communication pipeline for oil and gas adsorption; generating purified gas: outputting the purified gas generated after oil and gas adsorption to the exhaust communication pipeline through the second pipeline Purified gas exhaust: the purified gas is discharged through the other end of the exhaust delivery pipeline connected with the exhaust communication pipeline; oil gas adsorption switching: after a period of time, the oil gas enters the second hollow fiber tubular membrane barrel through the third pipeline connected with the intake communication pipeline for oil gas adsorption; Concentrated oil and gas absorption: the vacuum pump in the desorption discharge pipeline connected with the gas outlet communication pipeline is then used to push the concentrated oil and gas to the scrubbing and absorbing tower for concentrated oil and gas absorption. One end of the circulation pipeline is connected to the bottom of the scrubbing and absorbing tower, and the other end of the circulation pipeline is extended to penetrate into the scrubbing and absorbing tower, and the circulation pipeline is equipped with a circulation pump. Purified gas discharge: the purified gas generated after the concentrated oil and gas is absorbed through the scrubbing and absorbing tower can be discharged through the scrubbing and exhausting pipeline. The hollow fiber tubular membrane oil and gas treatment method with washing absorption tower as described in item 15 of the scope of patent application, wherein after the step of discharging the purified gas, it further includes the following steps: Returning the purified gas: the other end of the washing and exhaust pipeline is connected to the oil and gas delivery pipeline, so that the purified gas in the washing and exhaust pipeline is returned to the oil and gas delivery pipeline. As described in item 15 of the patent scope of the application, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the other end of the scrubbing exhaust pipeline is further connected to a chimney. As described in item 15 of the patent scope of the application, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the other end of the scrubbing exhaust pipeline is further transported to the atmosphere. The hollow fiber tubular membrane oil and gas treatment method with washing and absorbing tower described in item 15 of the scope of patent application, wherein the other end of the exhaust gas delivery pipeline is further connected to a chimney. As described in item 15 of the patent scope of the application, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the other end of the exhaust delivery pipeline is further delivered to the atmosphere. As described in item 15 of the scope of the patent application, the hollow fiber tubular membrane oil and gas treatment method with a washing absorption tower, wherein the air inlet communication pipeline is further provided with a first air inlet valve and a third air inlet valve. As described in item 15 of the patent application scope, the hollow fiber tubular membrane oil and gas treatment method with a washing absorption tower, wherein the gas outlet communication pipeline is further provided with a first gas outlet valve and a third gas outlet valve. As described in item 15 of the scope of the patent application, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the exhaust communication pipeline is further provided with a second exhaust valve and a fourth exhaust valve. As described in item 15 of the patent application scope, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the second pipeline is further connected to a second extension pipeline, and the second extension pipeline is further provided with a second extension valve and a second extension flow limiting valve. As described in item 15 of the patent application scope, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the fourth pipeline is further connected to a fourth extension pipeline, and the fourth extension pipeline is further provided with a fourth extension valve and a fourth extension flow limiting valve. The hollow fiber tubular membrane oil and gas treatment method with a scrubbing and absorbing tower as described in item 15 of the scope of the patent application, wherein at least one absorbent is further provided in the scrubbing and absorbing tower, and the absorbent is diesel oil. The hollow fiber tubular membrane oil and gas treatment method with scrubbing and absorbing tower as described in item 15 of the patent scope, wherein the scrubbing and absorbing tower is further equipped with at least one packing of the absorbing tower. As described in item 15 of the patent scope of the application, the hollow fiber tubular membrane oil and gas treatment method with a scrubbing absorption tower, wherein the other end of the circulation pipeline is provided with at least one spray head.

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