TW202317251A - Hollow fiber tubular membrane oil gas purification processing system with washing absorption tower and method thereof capable of purifying oil gas and returning oil gas - Google Patents

Abstract

The present invention provides a hollow fiber tubular membrane oil gas purification processing system with a washing absorption tower, and a method thereof that is mainly used in the hollow fiber tubular membrane oil gas purification processing system, and includes a double-barrel hollow fiber tubular membrane adsorption equipment, a washing absorption tower, an oil gas transporting pipeline, a desorption discharge pipeline and an exhaust conveying pipeline. Through transporting the oil gas to an inlet of the washing absorption tower, the oil gas can enter the washing absorption tower through the inlet for washing and absorbing, and the washed oil gas generated after washing and absorbing is then transported to the double-barrel hollow fiber tubular membrane adsorption equipment for absorbing the washed oil gas. The washed oil gas is desorbed through vacuum swing adsorption to form concentrated oil gas, and then the concentrated oil gas is transported from the other end of the desorption discharge pipeline back to the inlet of the washing absorption tower or the oil gas transporting pipeline, Such operations are performed cyclically, so as to provide the effects of oil gas purification and oil gas return processing.

Description

Hollow fiber tubular membrane oil gas purification treatment system and method with washing absorption tower

The present invention relates to a hollow fiber tubular membrane oil gas purification treatment system and its method with a washing absorption tower, especially to a system with oil gas purification and oil gas return treatment efficiency, whose efficiency can reach 97% or even more than 99%, and is suitable for At 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. The current practice 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 The oil tank is connected, and through the vacuum-assisted oil vapor recovery equipment, the volatilized oil vapor during the refueling process is collected into the lower oil tank through the oil vapor recovery pipeline in the tanker to achieve the purpose of oil vapor collection.

However, 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, and after a period of storage, the oil and gas in the underground oil tank will gradually generate pressure. Therefore, the underground oil tank Both are equipped with pressure valves and breathing pipes. When the pressure generated by the oil and gas is greater than the value set by the pressure valve, the pressure valve will be opened and discharged into the air through the breathing pipe, allowing the pressure generated by the oil and gas in the underground oil tank to return to the air. Safe value to avoid danger. 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 dense 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 purification treatment system and its method with a scrubbing absorption tower, which has the performance of returning and reabsorbing purification treatment of oil and gas, so that users can easily operate and assemble. It is the invention motivation that the inventor wants to develop by concentrating on researching and designing the system to provide user convenience.

The main purpose of the present invention is to provide a hollow fiber tubular membrane oil gas purification treatment system with a washing absorption tower and its method, which is mainly used for the hollow fiber tubular membrane oil gas purification treatment system, and includes a double barrel hollow fiber tube Type membrane adsorption equipment, a scrubbing absorption tower, an oil and gas delivery pipeline, a desorption discharge pipeline and an exhaust delivery pipeline, through which the oil and gas are transported to the inlet of the scrubbing and absorption tower, so that the oil and gas can enter the Washing and absorption are carried out in the washing absorption tower, and then the washing oil and gas generated after washing and absorption are transported to the double-barrel hollow fiber tubular membrane adsorption equipment for washing oil and gas adsorption, and the washing oil and gas are converted into concentrated oil and gas through vacuum desorption (VRU), and then Return the concentrated oil and gas from the other end of the desorption discharge pipeline to the inlet of the scrubbing absorption tower or the oil and gas delivery pipeline. Such a cycle operation makes it possible to purify oil and gas and return oil and gas to improve the overall practicality. sex.

Another object of the present invention is to provide a hollow fiber tubular membrane oil gas purification treatment system with a washing absorption tower and its method, through which at least one absorbent and at least one absorption tower packing are arranged in the washing absorption tower, the washing The absorption tower can absorb the oil and gas through the absorbent, and then through the washing absorption tower, a circulation pipeline is provided, and one end of the circulation pipeline is connected with the At least one absorbent of the scrubbing and absorbing tower is connected, and the other end of the circulation pipeline is extended through the top of at least one absorption tower packing of the scrubbing and absorbing tower, and the other end of the circulation pipeline is provided with at least one The spray head enables the absorbent with oil and gas to be sprayed on the packing of the absorption tower through the circulation pipeline, so that the 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 gas purification treatment system with a washing absorption tower and its method, by transporting the oil gas from the other end of the oil and gas delivery pipeline to the inlet of the washing absorption tower, so that The oil and gas can enter the washing absorption tower through the inlet for washing and absorption, and then the washing oil and gas produced by the washing and absorption tower can be output to the double-barrel hollow fiber tubular membrane adsorption through the washing and exhaust pipeline. The oil and gas are washed and adsorbed in the equipment, so that the oil and gas can be purified again, 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

101:Hollow fiber tubular membrane adsorption material

201: 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: Intake connecting pipeline

31: The first intake valve

33: The third intake valve

40: Outlet connecting pipeline

41: The first outlet valve

43: The third outlet valve

50: Exhaust connecting pipe

52: Second exhaust valve

54: The fourth exhaust valve

60: washing absorption tower

601: absorbent

602: Absorption tower packing

61: Entrance

62: Wash exhaust pipe

63:Circulation pipeline

631: circulation pump

64: sprinkler head

70: Oil and gas transmission pipeline

80: Desorption discharge pipeline

801: vacuum pump

90:Exhaust delivery pipeline

91: chimney

S100: Oil and gas scrubbing and absorption

S110: Wash oil and gas discharge

S120: Washing oil and gas transportation

S130: Washing oil gas adsorption

S140: Generating purified gas

S150: Purify gas exhaust

S160: oil gas adsorption switching

S170: Desorption and enrichment of oil and gas

S180: Concentrated oil and gas transportation

S190: Concentrated oil and gas push

S200: Concentrated oil and gas return

S300: Concentrated oil and gas return

Figure 1 is a schematic diagram of the system structure of the first hollow fiber tubular membrane tank of the present invention, which is set to the adsorption mode and returns to the oil and gas transportation pipeline.

Figure 2 is a schematic diagram of the system structure of the second hollow fiber tubular membrane barrel of the present invention, which is set in the adsorption mode and returns to the oil and gas transportation pipeline.

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 and returning to the inlet of the washing and absorbing tower.

The 4th figure is that the second hollow fiber tubular membrane barrel of the present invention is set to return to the washing suction mode in the adsorption mode. Schematic diagram of the system architecture of the entrance of the collection tower.

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

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

Fig. 7 is a flowchart of another step of the present invention.

Please refer to Figures 1 to 7, which are schematic diagrams of embodiments of the present invention, and the best implementation of the hollow fiber tubular membrane oil gas purification treatment system and method thereof with washing and absorption towers of the present invention is applied to gas stations, underground Oil storage tanks or similar areas mainly have the performance of oil gas purification and oil gas return treatment, and its efficiency can reach 97% or even more than 99%.

And the hollow fiber tubular membrane oil gas purification treatment system of the tool washing absorption tower of the present invention mainly comprises a pair of barrel type hollow fiber tubular membrane adsorption equipment 1, a washing absorption tower 60, an oil gas conveying pipeline 70, a degasser Attached discharge pipeline 80 and an exhaust delivery pipeline 90 (as shown in Figure 1 to Figure 4), and the double-barrel hollow fiber tubular membrane adsorption equipment 1 is divided into a first hollow fiber tubular membrane Barrel 10 and a second hollow fiber tubular membrane barrel 20, and the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 are respectively equipped with a plurality of tubular hollow fiber tubular membranes Adsorbents 101, 201 are filled (as shown in Figures 1 to 4), wherein the tubular hollow fiber tubular membrane adsorbents 101, 201 are made of polymers and adsorbents, and the polymers are Made of polysulfone (PSF), polyethersulfone (PESF), polyvinylidene fluoride (PVDF), polyphenylsulfone (PPSU), polyacrylonitrile (polyacrylonitrile), cellulose acetate , cellulose diacetate, polyimide (polyimide, PI), polyetherimide, polyamide, polyvinyl alcohol, polylactic acid, polyglycolic acid, polylactic-co-glycolic acid (polylactic-co-glycolic acid) , polycaprolactone, polyethylene hydrogen At least one of the group consisting of polyvinyl pyrrolidone, ethylene vinyl alcohol, polydimethylsiloxane, polytetrafluoroethylene and cellulose acetate (CA). The hollow fiber tubular membrane adsorbents 101 and 201 made of tubular hollow fiber have a diameter and an outer diameter of more than 0.5 mm, so they have a high specific surface area, are easy to adsorb, and are easy to desorb. Therefore, the amount of adsorbent used is smaller than that of traditional particle types. 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 adsorbents 101, 201 (as shown in Fig. 1 to Fig. 4) is 10% to 90%, and the adsorbent is powder. The plurality of particles has a particle size of 0.005 to 50um, and the plurality of particles of the powder has a two-dimensional or three-dimensional pore structure, and the pores are in a regular or irregular shape, wherein the adsorbent is made of molecular sieve, A-type zeolite (such as 3A, 4A or 5A), X-type zeolites (such as 13X), Y-type zeolites (such as ZSM-5), mesopore molecular sieves (such as MCM-41, 48, 50 and SBA-15), metal organic frameworks (Metal At least one of the group consisting of 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 equipment 1 is provided with a first pipeline 11 and a second pipeline 12, and the double barrel hollow fiber tubular membrane adsorption The second hollow fiber tubular membrane barrel 20 of equipment 1 is provided with a third pipeline 21 and a fourth pipeline 22 (as shown in Fig. 1 to Fig. 4), and the first hollow fiber tubular membrane barrel Between the first pipeline 11 of 10 and the third pipeline 21 of the second hollow fiber tubular membrane barrel 20, an air inlet communication pipeline 30 and an air outlet communication pipeline 40 are respectively provided. An exhaust communication pipeline 50 is provided between the second pipeline 12 of the tubular membrane barrel 10 and the fourth pipeline 22 of the second hollow fiber tubular membrane bucket 20, wherein the air intake communication pipeline 30 is provided There is a first intake valve 31 and a third intake valve 33, and the first intake valve 31 is Close to the first pipeline 11, and the third intake valve 33 is close to the third pipeline 21, so that the intake communicating pipe can be controlled through the first intake valve 31 and the third intake valve 33. The gas flow direction in the road 30, and the gas outlet communication pipeline 40 is provided with a first gas outlet valve 41 and a third gas outlet valve 43, the first gas outlet valve 41 is close to the first pipeline 11, and the third gas outlet valve The valve 43 is close to the third pipeline 21, so that the gas flow in the outlet communication pipeline 40 can be controlled through the first outlet valve 41 and the third outlet valve 43, and the exhaust communication pipeline 50 is set There is a second exhaust valve 52 and a fourth exhaust valve 54, the second exhaust valve 52 is close to the second pipeline 12, and the fourth exhaust valve 54 is close to the fourth pipeline 22, so that The gas flow in the exhaust communication pipeline 50 can be controlled through the second exhaust valve 52 and the fourth exhaust valve 54 .

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 limiter. Flow valve 1212 (as shown in Figures 1 to 4), and through the second extension valve 1211 to control the flow direction of the gas in the second extension pipeline 121, and through the second extension flow limiting valve 1212 to limit The gas in the second extension pipeline 121 flows out from the other end, and the fourth pipeline 22 of the second hollow fiber tubular membrane barrel 20 is connected with a fourth extension pipeline 221, and the fourth extension pipeline 221 is provided with a fourth extension valve 2211 and a fourth extension flow limiting valve 2212 (as shown in Fig. 1 to Fig. 4), and controls the flow in the fourth extension pipeline 221 through the fourth extension valve 2211. The direction of gas flow, and through the fourth extension restricting valve 2212 to restrict the gas in the fourth extension pipeline 221 from flowing out from the other end.

In addition, the washing and absorbing tower 60 is provided with an inlet 61 and a washing exhaust pipeline 62 (as shown in Figures 1 to 4), and one end of the oil and gas delivery pipeline 70 is connected to the oil and gas generation place (not shown), wherein the oil and gas generation is the oil and gas during the oil tanker unloading process (one-time oil and gas), oil and gas in the refueling process (secondary oil and gas), oil and gas exhaled from underground oil tanks (tertiary oil and gas), and the other end of the oil and gas delivery pipeline 70 is connected to the washing and absorbing tower 60 The inlet 61 is connected (as shown in Figure 1 to Figure 4), so that oil and gas can enter the scrubber 60 through the inlet 61 for scrubbing and absorption.

And above-mentioned this washing absorption tower 60 is provided with at least one absorbent 601 and at least one absorption tower filler 602 (as shown in Fig. 1 to Fig. 4), and wherein this absorbent 601 is arranged at this washing absorption tower 60 Below, this absorbent 601 is a liquid, and the present invention adopts diesel oil, so that the oil gas that enters by the inlet 61 of this scrubbing absorption tower 60 can be washed through diesel oil, and this absorbent 601 can also be other materials with energy. Adequate exposure to liquids to enhance absorbent absorption efficiency. In addition, the absorption tower packing 602 is located in the middle of the scrubbing absorption tower 60, and the absorption tower packing 602 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 The tower packing 602 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 602 can be easily wetted by liquid, and only the wetted surface is the gas-liquid contact surface. Moreover, the packing 602 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 the above-mentioned scrubbing and absorbing tower 60 is provided with a circulation pipeline 63 (as shown in Figure 1 to Figure 4), and one end of the circulation pipeline 63 is connected to the place below the scrubbing and absorbing tower 60, that is, the absorbent 601, and the other end of the circulation line 63 extends above the scrubbing absorption tower 60, that is, above the absorption tower packing 602, and the other end The other end of the circulation pipeline 63 is provided with at least one spray head 64 (as shown in Figures 1 to 4), so that the absorbent 601 located below the washing and absorption tower 60 can pass through the circulation pipeline 63 to be transported to the top of the scrubbing and absorbing tower 60, and spray down from the top of the scrubbing and absorbing tower 60 by the spray head 64, so as to flow through the absorbing tower packing 602 arranged in the middle of the scrubbing and absorbing tower 60, The absorption tower packing 602 can attach a layer of film (not shown in the figure), and when the gas passes through the gap of the absorption tower packing 602, it can be absorbed by the film of the adhesion layer and removed. Wherein the circulation pipeline 63 is provided with a circulation pump 631 (as shown in the first figure to the fourth figure), so that the absorbent 601 can be pushed from one end of the circulation pipeline 63 to the other end of the circulation pipeline 63 One end has push-up performance.

Furthermore, when the oil and gas are washed and absorbed by the scrubbing and absorbing tower 60, the scrubbing oil and gas are produced, and the scrubbing oil and gas are exported through the scrubbing and exhaust pipeline 62, wherein one end of the scrubbing and exhaust pipeline 62 is connected to the scrubbing and absorbing tower. 60 connection, the other end of the cleaning exhaust pipeline 62 is connected with the intake communication pipeline 30 (as shown in Figure 1 to Figure 4), so as to transport the cleaning oil and gas in the cleaning exhaust pipeline 62 Into the air intake communication pipeline 30, and then through the first intake valve 31 and the third intake valve 33 to control the switch respectively, so that the washing oil and gas can pass through the intake communication pipeline 30 to pass through the first pipeline 11 To enter the first hollow fiber tubular membrane barrel 10 for scrubbing oil and gas adsorption, or through the air intake communication pipeline 30 to pass through the third pipeline 21 to enter the second hollow fiber tubular membrane barrel 20 for Wash oil gas adsorption.

In addition, one end of the desorption discharge pipeline 80 is connected with the gas outlet communication pipeline 40, and the desorption discharge pipeline 80 is provided with a vacuum pump 801 (as shown in the first figure to the fourth figure), and through the vacuum pump 801 can, on the one hand, make the first hollow fiber tubular membrane barrel 10 absorb the washing oil by means of vacuum swing adsorption (VSA). Gas is vacuum desorbed into concentrated oil and gas, or the second hollow fiber tubular membrane barrel 20 can vacuum desorb the washed oil and gas after adsorption into concentrated oil and gas, and then the first hollow fiber tubular membrane barrel 10 respectively The desorbed concentrated oil and gas can be output from the first pipeline 11 into the gas outlet communication pipeline 40, and transported to the desorption discharge pipeline 80 through the gas outlet communication pipeline 40, or the second hollow The concentrated oil and gas desorbed in the fiber tube membrane barrel 20 can be output from the third pipeline 21 into the gas outlet communication pipeline 40, and transported to the desorption discharge pipeline 80 through the gas outlet communication pipeline 40 (As shown in Fig. 1 to Fig. 4), on the other hand, the vacuum pump 801 can push the concentrated oil gas output by the gas outlet communication pipe 40 to the desorption discharge pipe through the desorption discharge pipe 80 80 at the other end.

And the other end of the desorption discharge pipeline 80 has two kinds of concentrated oil-gas return implementations, wherein the first kind of concentrated oil-gas return implementation is that the other end of the desorption discharge pipeline 80 is connected with the oil-gas delivery pipeline 70 ( As shown in Figure 1 and Figure 3), the concentrated oil and gas in the desorption discharge pipeline 80 can be returned to the oil and gas delivery pipeline 70 again. Another embodiment of the return of the second concentrated oil gas is that the other end of the desorption discharge pipeline 80 is connected with the inlet 61 of the scrubbing absorption tower 60 (as shown in Figure 2 and Figure 4), so that the desorption The concentrated oil gas in the discharge pipeline 80 is returned to the washing and absorbing tower 60 . The above-mentioned two kinds of concentrated oil and gas return implementation methods are mainly to carry out vacuum desorption of the first hollow fiber tubular membrane barrel 10 to form concentrated oil and gas or to carry out vacuum desorption of the second hollow fiber tubular type membrane barrel 20 to form concentrated oil and gas. The desorption discharge pipeline 80 is transported back to the inlet 61 of the oil and gas delivery pipeline 70 or the scrubbing absorption tower 60, so that the concentrated oil and gas can be mixed with the oil and gas in the oil and gas delivery pipeline 70 or between the scrubbing and absorption tower 60. After the oil and gas in the inlet 61 are mixed, they enter the scrubbing and absorbing tower 60 for scrubbing and absorbing again.

In addition, the exhaust communication pipeline 50 is connected to one end of the exhaust delivery pipeline 90, and the other end of the exhaust delivery pipeline 90 has two implementations, wherein the first implementation is the exhaust The other end of the gas delivery pipeline 90 is connected with a chimney 91 (as shown in the first figure and the third figure), and another second embodiment is that the other end of the exhaust delivery pipeline 90 is delivered to the atmosphere (As shown in Figure 2 and Figure 4). In this way, the purified gas generated after the first hollow fiber tubular membrane barrel 10 is washed and absorbed by oil and gas can be output to the exhaust communication pipeline 50 through the second pipeline 12, and then passed through the exhaust delivery pipeline. 90 to discharge the purified gas, or the purified gas generated after the second hollow fiber tubular membrane bucket 20 is washed and absorbed by oil and gas can be output to the exhaust communication pipeline 50 through the fourth pipeline 22, The purge gas is then discharged through the other end of the exhaust delivery pipeline 90 .

Furthermore, in the actual operation of the present invention, 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 are in the adsorption mode and desorption mode. The mode has different options, 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, it is originally the adsorption mode The first hollow fiber tubular membrane barrel 10 is converted into the desorption mode, while the second hollow fiber tubular membrane barrel 20 originally in the desorption mode is transformed into the adsorption mode. The second implementation option is to set the concentration (not shown), through which the exhaust delivery pipeline 90 is provided with a concentration detector (not shown), so that the first hollow fiber tubular membrane barrel 10 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.

And above-mentioned when this first hollow fiber tube type membrane barrel 10 is set as adsorption mode (as shown in the first figure and the 3rd figure), this second hollow fiber tube type membrane barrel 20 is then set as desorption mode, The first air intake valve 31, which is located on the intake communication pipeline 30 and close to the first pipeline 11, is in an open state (as shown in Figures 1 and 3), so that the scrubbing oil and gas can pass through the The first air intake valve 31 of the air intake communication pipeline 30 flows through the first pipeline 11 and then enters the first hollow fiber tubular membrane barrel 10 for washing oil and gas adsorption, and is located on the air intake communication pipeline 30 The third intake valve 33 above and close to the third pipeline 21 is closed. The second exhaust valve 52, which is also located on the exhaust communication pipeline 50 and close to the second pipeline 12, is in an open state (as shown in Figures 1 and 3), so that the first hollow fiber The purified gas generated in the tubular film barrel 10 after the cleaning oil gas is adsorbed flows through the second pipeline 12 through the second exhaust valve 52 of the exhaust communication pipeline 50 and then enters the exhaust delivery pipeline 90, The purified gas is discharged from the other end of the exhaust delivery pipeline 90 , and the fourth exhaust valve 54 disposed on the exhaust communication pipeline 50 and close to the fourth pipeline 22 is closed.

Furthermore, the desorption discharge pipeline 80 is equipped with a vacuum pump 801, when the second hollow fiber tubular membrane barrel 20 is performing vacuum swing adsorption (vaccum swing adsorption; VSA) desorption, and desorption is performed by vacuuming , and the third outlet valve 43, which is also located on the outlet communication pipeline 40 and close to the third pipeline 21, is in an open state (as shown in Figures 1 and 3), so that the second hollow fiber tube The desorbed and washed oil gas in the membrane barrel 20 is desorbed into concentrated oil gas, and passes through the third pipeline 21 to flow through the third gas outlet valve 43 of the gas outlet communication pipeline 40 and then enters the desorption discharge pipeline 80, Then transport it to the oil and gas delivery pipeline 70 (as shown in Figure 1) or in the inlet 61 of the scrubbing and absorption tower 60 (as shown in Figure 3) for washing and absorption again, and be located in the gas outlet communication pipeline 40 and close to the first outlet valve 41 of the first pipeline 11 is closed.

On the contrary, when this second hollow fiber tubular membrane barrel 20 is set to adsorption mode (as 2 and 4), the first hollow fiber tubular membrane barrel 10 is set to the desorption mode, wherein the third tube that is arranged on the intake communication pipeline 30 and is close to the third pipeline 21 The intake valve 33 is in an open state (as shown in Figures 2 and 4), so that the scrubbing oil and gas can flow through the third pipeline 21 through the third intake valve 33 of the intake communication pipeline 30 Then enter the second hollow fiber tubular membrane barrel 20 for washing oil and gas adsorption, while the first air intake valve 31 located on the air intake communication pipeline 30 and close to the first pipeline 11 is closed. In addition, the fourth exhaust valve 54 that is located on the exhaust communication pipeline 50 and is close to the fourth pipeline 22 is in an open state (as shown in Figures 2 and 4), so that the second hollow fiber The purified gas generated in the tubular membrane barrel 20 after washing the oil and gas is absorbed, flows through the fourth pipeline 22, passes through the fourth exhaust valve 54 of the exhaust communication pipeline 50, and then enters the exhaust delivery pipeline 90, The purified gas is discharged from the other end of the exhaust delivery pipeline 90 , and the second exhaust valve 52 disposed on the exhaust communication pipeline 50 and close to the second pipeline 12 is closed.

Furthermore, the desorption discharge pipeline 80 is equipped with a vacuum pump 801, when the first hollow fiber tubular membrane barrel 10 is performing vacuum swing adsorption (VSA) desorption, and desorption is performed by vacuuming , the first outlet valve 41 which is also located on the outlet communication pipeline 40 and close to the first pipeline 11 is in an open state (as shown in Figures 2 and 4), so that the first hollow fiber tube The desorbed and washed oil gas in the membrane barrel 10 is desorbed into concentrated oil gas, and passes through the first pipeline 11 to flow through the first gas outlet valve 41 of the gas outlet communication pipeline 40 and then enters the desorption discharge pipeline 80, Then transport it to the oil and gas delivery pipeline 70 (as shown in Figure 2) or in the inlet 61 of the scrubbing and absorption tower 60 (as shown in Figure 4) for washing and absorption again, and be located in the gas outlet communication pipeline 40 and the third outlet valve 43 close to the third pipeline 21 is closed.

And the hollow fiber tube type membrane oil-gas purification treatment method of tool washing absorption tower of the present invention is mainly used in the hollow fiber tube type membrane oil gas purification treatment system, mainly comprises a pair of barrel type hollow fiber tube type membrane adsorption equipment 1, a Washing absorption tower 60, an oil and gas delivery pipeline 70, a desorption discharge pipeline 80 and an exhaust delivery pipeline 90 (as shown in Figure 1 to Figure 4), and the double-barrel hollow fiber tubular membrane The adsorption device 1 is divided into a first hollow fiber tubular membrane barrel 10 and a second hollow fiber tubular membrane barrel 20, and the first hollow fiber tubular membrane barrel 10 and the second hollow fiber tubular membrane barrel 20 The inner system is filled with a plurality of tubular hollow fiber tubular membrane adsorption materials 101, 201 (as shown in Figures 1 to 4), wherein the tubular hollow fiber tubular membrane adsorption materials 101, 201 are It is made of polymer and adsorbent, and the polymer is made of polysulfone (PSF), polyethersulfone (PESF), polyvinylidene fluoride (PVDF), polyphenylsulfone (polyphenylsulfone) , PPSU), polyacrylonitrile, cellulose acetate, cellulose diacetate, polyimide (PI), polyether imide, polyamide, polyvinyl alcohol, polylactic acid, polyglycolic acid , polylactic-co-glycolic acid, polycaprolactone, polyvinyl pyrrolidone, ethylene vinyl alcohol, polydimethylsiloxane, polytetrafluoroethylene At least one of the group consisting of vinyl fluoride and cellulose acetate (CA). The hollow fiber tubular membrane adsorbents 101 and 201 made of tubular hollow fiber have a diameter and an outer diameter of more than 0.5 mm, so they have a high specific surface area, are easy to adsorb, and are easy to desorb. Therefore, the amount of adsorbent used is smaller than that of traditional particle types. 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 adsorbents 101, 201 (as shown in Figures 1 to 4) is 10% to 90%, and the adsorbent is powder, the powder The complex particles of the powder have a particle size of 0.005 to 50um, and the complex 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 X zeolites (such as 3A, 4A or 5A), Type X zeolites (such as 13X), Type Y zeolites (such as ZSM-5), mesoporous molecular sieves (such as MCM-41, 48, 50 and SBA-15), metal organic frameworks (Metal Organic Frameworks: MOF), activated carbon or at least one of the group consisting of graphene.

In addition, the first hollow fiber tubular membrane barrel 10 of the double barrel type hollow fiber tubular membrane adsorption equipment 1 is provided with a first pipeline 11 and a second pipeline 12, and the double barrel hollow fiber tubular membrane adsorption The second hollow fiber tubular membrane barrel 20 of equipment 1 is provided with a third pipeline 21 and a fourth pipeline 22 (as shown in Fig. 1 to Fig. 4), and the first hollow fiber tubular membrane barrel Between the first pipeline 11 of 10 and the third pipeline 21 of the second hollow fiber tubular membrane barrel 20, an air inlet communication pipeline 30 and an air outlet communication pipeline 40 are respectively provided. An exhaust communication pipeline 50 is provided between the second pipeline 12 of the tubular membrane barrel 10 and the fourth pipeline 22 of the second hollow fiber tubular membrane bucket 20, wherein the air intake communication pipeline 30 is provided There is a first intake valve 31 and a third intake valve 33, the first intake valve 31 is close to the first pipeline 11, and the third intake valve 33 is close to the third pipeline 21, so that The gas flow in the air intake communication pipeline 30 can be controlled through the first air intake valve 31 and the third air intake valve 33, and the air outlet communication pipeline 40 is provided with a first air outlet valve 41 and a third air outlet valve 41. Gas outlet valve 43, the first gas outlet valve 41 is close to the first pipeline 11, and the third gas outlet valve 43 is close to the third pipeline 21, so that the gas can pass through the first gas outlet valve 41 and the third gas outlet valve. 43 to control the gas flow in the outlet communication pipeline 40, and the exhaust communication pipeline 50 is provided with a second exhaust valve 52 and a fourth exhaust valve 54, the second exhaust valve 52 is close to the The second pipeline 12, and the fourth exhaust valve 54 is close to the first The four pipelines 22 can control the gas flow in the exhaust communication pipeline 50 through the second exhaust valve 52 and the fourth exhaust valve 54 .

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 limiter. Flow valve 1212 (as shown in Figures 1 to 4), and through the second extension valve 1211 to control the flow direction of the gas in the second extension pipeline 121, and through the second extension flow limiting valve 1212 to limit The gas in the second extension pipeline 121 flows out from the other end, and the fourth pipeline 22 of the second hollow fiber tubular membrane barrel 20 is connected with a fourth extension pipeline 221, and the fourth extension pipeline 221 is provided with a fourth extension valve 2211 and a fourth extension flow limiting valve 2212 (as shown in Fig. 1 to Fig. 4), and controls the flow in the fourth extension pipeline 221 through the fourth extension valve 2211. The direction of gas flow, and through the fourth extension restricting valve 2212 to restrict the gas in the fourth extension pipeline 221 from flowing out from the other end.

And the main steps (as shown in Fig. 5) of this oil gas purification treatment method are to comprise step S100 oil gas scrubbing and absorbing: oil gas is transported to the inlet 61 of this washing absorption tower 60 through the other end of this oil gas delivery pipeline 70, makes oil gas It can enter the scrubbing absorption tower 60 through the inlet 61 to perform scrubbing and absorption. After the above step S100 is completed, the next step S110 is performed.

Wherein, one end of the above-mentioned oil and gas delivery pipeline 70 is connected to an oil and gas generating place (not shown in the figure), wherein the oil and gas generating place is the oil and gas (primary oil and gas) in the oil tanker unloading process and the oil and gas (secondary oil and gas) in the refueling process. oil and gas), 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 70 is connected to the inlet 61 of the washing and absorbing tower 60 Connection (as shown in Figure 1 to Figure 4), so that oil and gas can enter the washing and absorbing tower 60 through the inlet 61 for washing and absorption.

In addition, the next step S110 is to wash and discharge the oil and gas: the washed and absorbed oil and gas produced by the washing and absorbing tower 60 can be output through the washing and exhausting pipeline 62 . After the above step S110 is completed, the next step S120 is performed.

Wherein the above-mentioned washing absorption tower 60 is provided with at least one absorbent 601 and at least one absorption tower filler 602 (as shown in Figure 1 to Figure 4), wherein the absorbent 601 is located in the washing absorption tower 60 Below, this absorbent 601 is a liquid, and the present invention adopts diesel oil, so that the oil gas that enters by the inlet 61 of this scrubbing absorption tower 60 can be washed through diesel oil, and this absorbent 601 can also be other materials with energy. Adequate exposure to liquids to enhance absorbent absorption efficiency. In addition, the absorption tower packing 602 is located in the middle of the scrubbing absorption tower 60, and the absorption tower packing 602 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 The tower packing 602 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 602 can be easily wetted by liquid, and only the wetted surface is the gas-liquid contact surface. Moreover, the packing 602 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 the above-mentioned scrubbing and absorbing tower 60 is provided with a circulation pipeline 63 (as shown in Figure 1 to Figure 4), and one end of the circulation pipeline 63 is connected to the place below the scrubbing and absorbing tower 60, that is, the absorbent 601, and the other end of the circulation line 63 extends through the top of the washing absorption tower 60, that is, the top of the absorption tower packing 602, and the other end of the circulation line 63 is provided with at least one Spray head 64 (as shown in Fig. 1 to Fig. 4 shown), the absorbent 601 located below the scrubbing and absorbing tower 60 can be transported to the top of the scrubbing and absorbing tower 60 through the circulation pipeline 63, and sprayed from above the scrubbing and absorbing tower 60 by the spray head 64 Spray down to flow through the absorption tower packing 602 located in the middle of the washing absorption tower 60, so that the absorption tower packing 602 can adhere to a layer of film (not shown), when the gas passes through the absorption tower packing 602 When there are gaps, it can be absorbed by the adhesion layer film and removed. Wherein the circulation pipeline 63 is provided with a circulation pump 631 (as shown in the first figure to the fourth figure), so that the absorbent 601 can be pushed from one end of the circulation pipeline 63 to the other end of the circulation pipeline 63 One end has push-up performance.

In addition, in the next step S120, the washing oil and gas delivery: the other end of the washing and exhaust pipeline 62 is connected to the intake communication pipeline 30, so as to transport the washing oil and gas in the washing and exhaust pipeline 62 to the inlet. The gas is connected to the pipeline 30. After the above step S120 is completed, the next step S130 is performed.

Wherein the above-mentioned oil and gas are washed and absorbed by the washing and absorbing tower 60 to produce washing oil and gas, and the washing oil and gas are output through the washing and exhaust pipeline 62, and one end of the washing and exhaust pipeline 62 is connected to the washing and absorbing tower 60. Connected, the other end of the washing exhaust pipeline 62 is connected with the intake communication pipeline 30 (as shown in Figure 1 to Figure 4), so as to transport the washing oil and gas in the washing exhaust pipeline 62 to The intake air communicates with the pipeline 30 .

In addition, the next step S130 is to wash and absorb oil and gas: enter the first hollow fiber tubular membrane barrel 10 through the first pipeline 11 connected to the air intake communication pipeline 30 to perform washing and absorbing oil and gas. After the above step S130 is completed, the next step S140 is performed.

Wherein when the above-mentioned first hollow fiber tubular membrane barrel 10 is set to the adsorption mode (As shown in Figure 1 and Figure 3), the second hollow fiber tube membrane barrel 20 is set to the desorption mode, wherein the air intake communication pipeline 30 and close to the first pipeline 11 The first intake valve 31 is in an open state (as shown in Figures 1 and 3), so that the scrubbing oil and gas can flow through the first pipe through the first intake valve 31 of the intake communication pipeline 30 After entering the first hollow fiber tubular membrane barrel 10 through the pipeline 11, the oil and gas are washed and adsorbed, while the third air intake valve 33, which is located on the air intake communication pipeline 30 and is close to the third pipeline 21, is in a closed state. .

In addition, the next step S140 is to generate purified gas: the purified gas generated after the scrubbing oil gas is adsorbed can be output to the exhaust communication pipeline 50 through the second pipeline 12 . After the above step S140 is completed, the next step S150 is performed.

Wherein the above-mentioned second exhaust valve 52 that is located on the exhaust communication pipeline 50 and is close to the second pipeline 12 is in an open state (as shown in the first figure and the third figure), so that the first hollow The purified gas generated after the cleaning oil gas is absorbed in the fiber tube membrane barrel 10 flows through the second pipeline 12 through the second exhaust valve 52 of the exhaust communication pipeline 50 and then enters the exhaust delivery pipeline 90 , and then discharge the purified gas from the other end of the exhaust delivery pipeline 90, and the fourth exhaust valve 54 located on the exhaust communication pipeline 50 and close to the fourth pipeline 22 is closed.

In addition, the next step S150 is to exhaust the purified gas: to discharge the purified gas through the other end of the exhaust delivery pipeline 90 communicated with the exhaust communication pipeline 50 . After the above step S150 is completed, the next step S160 is performed.

Wherein the above-mentioned exhaust communication pipeline 50 is connected to one end of the exhaust delivery pipeline 90, and the other end of the exhaust delivery pipeline 90 is divided into two implementations, wherein the first implementation is the The other end of the exhaust delivery pipeline 90 is connected with a chimney 91 (as Shown in the 1st figure and the 3rd figure), another second kind of embodiment is that the other end of the exhaust delivery pipeline 90 is transported into the atmosphere (as shown in the 2nd figure and the 4th figure). In this way, the purified gas generated after the first hollow fiber tubular membrane barrel 10 is washed and absorbed by oil and gas can be output to the exhaust communication pipeline 50 through the second pipeline 12, and then passed through the exhaust delivery pipeline. 90 to discharge the purified gas, or the purified gas generated after the second hollow fiber tubular membrane bucket 20 is washed and absorbed by oil and gas can be output to the exhaust communication pipeline 50 through the fourth pipeline 22, The purge gas is then discharged through the other end of the exhaust delivery pipeline 90 .

In addition, the next step S160 oil gas adsorption switching: After a period of time, the oil gas cleaned in the cleaning exhaust pipeline 62 enters the second hollow gas through the third pipeline 21 connected to the intake communication pipeline 30 . Washing oil gas adsorption is carried out in the fiber tube type membrane barrel 20 . After the above step S160 is completed, the next step S170 is performed.

Among them, the above-mentioned practical operation is mainly due to the difference between 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 in the adsorption mode and the desorption mode. Different options, 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 the present embodiment), when the time arrives, it is originally the first in the adsorption mode. The hollow fiber tubular membrane barrel 10 is converted into the desorption mode, while the second hollow fiber tubular membrane barrel 20 originally in the desorption mode is transformed into the adsorption mode. The second implementation option is to set the concentration (not shown), through which the exhaust delivery pipeline 90 is provided with a concentration detector (not shown), so that the first hollow fiber tubular membrane barrel 10 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 step S170 carried out in the next step desorbs and concentrates oil and gas: while the first The hollow fiber tubular membrane barrel 10 desorbs the washed oil and gas after adsorption into concentrated oil and gas, and transports the oil and gas to the outlet communication pipeline 40 through the first pipeline 11 . After the above step S170 is completed, the next step S180 is performed.

Wherein the above-mentioned desorption discharge pipeline 80 is equipped with a vacuum pump 801, when the first hollow fiber tubular membrane barrel 10 is performing vacuum swing adsorption (vaccum swing adsorption; VSA) desorption, and desorption is performed by vacuuming, In addition, the first outlet valve 41, which is located on the outlet communication pipeline 40 and close to the first pipeline 11, is in an open state (as shown in Figures 2 and 4), so that the first hollow fiber tube The adsorbed and washed oil gas in the membrane barrel 10 is desorbed into concentrated oil gas, and flows through the first pipeline 11 through the first gas outlet valve 41 of the gas outlet communication pipeline 40 and then enters the gas outlet communication pipeline 40 .

In addition, the step S180 carried out in the next step is concentrated oil and gas delivery: and one end of the desorption discharge pipeline 80 is connected to the gas outlet communication pipeline 40, so as to transport the concentrated oil and gas in the gas outlet communication pipeline 40 to the desorption discharge pipeline. Inside the pipeline 80. After the above step S180 is completed, the next step S190 is performed.

In addition, the next step S190 is to push the concentrated oil and gas: the concentrated oil and gas in the desorption discharge pipeline 80 can be pushed to the other end of the desorption discharge pipeline 801 through the vacuum pump 801 .

Wherein the above is that the concentrated oil and gas desorbed in the first hollow fiber tubular membrane barrel 10 can be output from the first pipeline 11 to the gas outlet communication pipeline 40, and transported through the gas outlet communication pipeline 40 to the desorption discharge pipeline 80 (as shown in Fig. 2 to Fig. 4), and on the other hand, the vacuum pump 801 can pass the concentrated oil and gas output by the outlet communication pipe 40 through the desorption discharge pipeline 80 Push to the other end of the desorption discharge pipeline 80.

Furthermore, another step of the present invention (as shown in Figure 6) is to include the following steps after the above-mentioned step S190 of concentrated oil and gas pushing, step S200 of concentrated oil and gas return: the other end of the desorption discharge pipeline 80 is It is connected with the oil and gas delivery pipeline 70 so that the concentrated oil and gas in the desorption discharge pipeline 80 can be returned to the oil and gas delivery pipeline 70 .

Wherein the above-mentioned mainly is that the vacuum desorption of the first hollow fiber tubular membrane barrel 10 into concentrated oil gas or the vacuum desorption of the second hollow fiber tubular membrane barrel 20 into concentrated oil gas can be carried out by the desorption discharge pipeline 80. Transport back to the oil and gas delivery pipeline 70 (as shown in Figure 1 and Figure 2), so that the concentrated oil and gas can be mixed with the oil and gas in the oil and gas delivery pipeline 70, and then enter the washing and absorption tower 60 for washing again absorb.

And another step of the present invention (as shown in the 7th figure) is to include the following steps after the above-mentioned step S190 concentrated oil-gas push, step S300 concentrated oil-gas return: the other end of the desorption discharge pipeline 80 is connected with the The inlet 61 of the washing and absorbing tower 60 is connected so that the concentrated oil and gas in the desorption discharge pipeline 80 can be returned to the washing and absorbing tower 60 .

Among them, the above-mentioned two kinds of concentrated oil and gas return implementation methods are mainly to carry out vacuum desorption of the first hollow fiber tubular membrane barrel 10 to form concentrated oil and gas or to carry out vacuum desorption of the second hollow fiber tubular type membrane barrel 20 to form concentrated oil and gas. The desorption discharge pipeline 80 is transported back to the inlet 61 of the scrubbing and absorbing tower 60 (as shown in Fig. 3 and Fig. 4), so that the concentrated oil gas can be mixed with the oil and gas in the inlet 61 of the scrubbing and absorbing tower 60, Then enter the washing absorption tower 60 to perform washing and absorption again.

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

101:Hollow fiber tubular membrane adsorption material

201: 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: Intake connecting pipeline

31: The first intake valve

33: The third intake valve

40: Outlet connecting pipeline

41: The first outlet valve

43: The third outlet valve

50: Exhaust connecting pipe

52: Second exhaust valve

54: The fourth exhaust valve

60: washing absorption tower

601: absorbent

602: Absorption tower packing

61: Entrance

62: Wash exhaust pipe

63:Circulation pipeline

631: circulation pump

64: sprinkler head

70: Oil and gas transmission pipeline

80: Desorption discharge pipeline

801: vacuum pump

90:Exhaust delivery pipeline

91: chimney

Claims (30)

A hollow fiber tubular membrane oil gas purification treatment system with a washing absorption tower, comprising: A double-barrel hollow fiber tubular membrane adsorption equipment, 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 The 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 The hollow fiber tubular membrane barrel is filled with a plurality of tubular hollow fiber tubular membrane adsorption materials. The second hollow fiber tubular membrane barrel is provided with a third pipeline and a fourth pipeline. An air intake communication pipeline and an air outlet communication pipeline are respectively provided between the first pipeline and the third pipeline, and an exhaust communication pipeline is provided between the second pipeline and the fourth pipeline; A scrubbing and absorbing tower, the scrubbing and absorbing tower is provided with an inlet and a scrubbing exhaust pipeline, one end of the scrubbing and exhaust pipeline is connected to the scrubbing and absorbing tower, and the other end of the scrubbing and exhaust pipeline is connected to the air inlet Connecting pipeline connection; An oil and gas transmission pipeline, one end of the oil and gas transmission pipeline is connected to the oil and gas generation place, and the other end of the oil and gas transmission pipeline is connected to the inlet of the washing and absorption tower; A desorption discharge pipeline, one end of the desorption discharge pipeline is connected to the gas outlet communication pipeline, wherein a vacuum pump is arranged on the desorption discharge pipeline; and An exhaust delivery pipeline, one end of the exhaust delivery pipeline is connected with the exhaust communication pipeline. The hollow fiber tubular membrane oil gas purification treatment system with washing absorption tower described in item 1 of the patent scope of the application, wherein the other end of the desorption discharge pipeline is further connected to the inlet of the washing absorption tower. The hollow fiber tubular membrane oil gas purification treatment system with washing and absorption tower described in Item 1 of the patent scope of the application, wherein the other end of the desorption discharge pipeline is further connected with the oil gas delivery pipeline. The hollow fiber tubular membrane oil and gas purification treatment system with washing and absorption 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 purification treatment system with washing and 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 purification treatment system with scrubbing absorption tower as described in item 1 of the scope of the patent application, wherein the air intake communication pipeline is further provided with a first air intake valve and a third air intake valve. As described in item 1 of the scope of the patent application, the hollow fiber tubular membrane oil gas purification treatment system with 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 1 of the scope of the patent application, the hollow fiber tubular membrane oil gas purification treatment system with washing absorption tower, wherein the exhaust communication pipeline is further provided with a second exhaust valve and a fourth exhaust valve. Hollow fiber tubular membrane oil gas purification treatment system with washing absorption tower as described in item 1 of the patent scope of the application, wherein the second pipeline is further connected with a second extension pipeline, and the second extension pipeline is further A second extension valve and a second extension flow limiting valve are provided. Hollow fiber tubular membrane oil and gas purification treatment system with washing absorption tower as described in item 1 of the patent scope of the application, wherein the fourth pipeline is further connected with a fourth extension pipeline, and the fourth extension pipeline is further A fourth extension valve and a fourth extension flow limiting valve are provided. The hollow fiber tubular membrane oil gas purification 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 purification treatment system with scrubbing and absorbing tower described in Item 1 of the scope of the patent application, wherein the scrubbing and absorbing tower is further equipped with at least one packing of the absorbing tower. Hollow fiber tubular membrane oil and gas purification treatment system with washing absorption tower as described in item 1 of the scope of patent application, wherein the washing absorption tower is further provided with a circulation pipeline, and the other end of the circulation pipeline is provided with at least one sprinkler head. The hollow fiber tubular membrane oil gas purification treatment system with scrubbing and absorbing tower described in item 13 of the scope of patent application, wherein the other end of the circulation pipeline is further extended into the scrubbing and absorbing tower. Hollow fiber tubular membrane oil and gas purification treatment system with washing absorption tower as described in item 13 of the scope of patent application, wherein one end of the circulation pipeline is further connected to the bottom of the washing absorption tower, and the circulation pipeline is further set There is a circulation pump. A hollow fiber tubular membrane oil gas purification treatment method with a scrubbing absorption tower, which is mainly used in a hollow fiber tubular membrane oil gas purification treatment system, and is equipped with a double-barrel hollow fiber tubular membrane adsorption device, a scrubbing absorption tower, a Oil and gas delivery pipeline, a desorption discharge pipeline and an exhaust delivery pipeline, 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 Membrane barrel, the first hollow fiber tubular membrane barrel is filled with a plurality of tubular hollow fiber tubular membrane adsorption materials, and the second hollow fiber tubular membrane barrel is filled with a plurality of tubular hollow fiber Filled with tubular membrane adsorption material, the first hollow fiber tubular membrane barrel is provided with a first pipeline and a second pipeline, and the second hollow fiber tubular membrane barrel A third pipeline and a fourth pipeline are provided, an air intake communication pipeline and an air outlet communication pipeline are respectively provided between the first pipeline and the third pipeline, and the second pipeline and the There is an exhaust communication pipeline between the fourth pipelines, the washing absorption tower is equipped with an inlet and a washing exhaust pipeline, and a vacuum pump is arranged on the desorption discharge pipeline, and the main method of oil and gas purification treatment is The steps include: Oil and gas washing and absorption: transport oil and gas through the other end of the oil and gas pipeline to the inlet of the washing and absorbing tower, so that oil and gas can enter the washing and absorbing tower through the inlet for washing and absorbing; Washing oil and gas discharge: the washing oil and gas generated by the washing and absorbing tower after washing and absorbing can be output through the washing and exhaust pipeline; Washing oil and gas transportation: the other end of the washing and exhaust pipeline is connected to the air intake communication pipeline, so as to transport the washing oil and gas in the washing and exhaust pipeline to the intake communication pipeline; Washing oil and gas adsorption: enter the first hollow fiber tubular membrane barrel through the first pipeline connected with the intake communication pipeline for washing oil and gas adsorption; Generating purified gas: the purified gas generated after the scrubbing oil gas is adsorbed can be output 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 and gas adsorption switching: After a period of time, the scrubbing oil and gas in the scrubbing and exhaust pipeline enters the second hollow fiber tubular membrane barrel through the third pipeline connected to the intake communication pipeline for scrubbing oil and gas adsorption; Desorbing concentrated oil and gas: the first hollow fiber tubular membrane barrel desorbs the washed oil and gas after adsorption into concentrated oil and gas, and transports it to the gas outlet communication pipeline through the first pipeline; Concentrated oil and gas transportation: and one end of the desorption discharge pipeline is connected to the gas outlet communication pipeline, so as to transport the concentrated oil and gas in the gas outlet communication pipeline to the desorption discharge pipeline; and Concentrated oil and gas push: the concentrated oil and gas in the desorption discharge pipeline can be pushed to the other end of the desorption discharge pipeline through the vacuum pump. As described in item 16 of the patent application scope, the hollow fiber tubular membrane oil gas purification treatment method with a washing absorption tower further includes the following steps after the concentrated oil gas pushing step: Concentrated oil and gas return: the other end of the desorption discharge pipeline is connected to the oil and gas transmission pipeline, so that the concentrated oil and gas in the desorption discharge pipeline can be returned to the oil and gas transmission pipeline. As described in item 16 of the patent application scope, the hollow fiber tubular membrane oil gas purification treatment method with a washing absorption tower further includes the following steps after the concentrated oil gas pushing step: Concentrated oil and gas return: the other end of the desorption discharge pipeline is connected to the inlet of the scrubbing absorption tower, so that the concentrated oil and gas in the desorption discharge pipeline can be returned to the scrubbing and absorption tower. As described in item 16 of the patent scope of the application, the hollow fiber tubular membrane oil gas purification treatment method with a washing absorption tower, wherein the other end of the exhaust gas delivery pipeline is further connected to a chimney. As described in item 16 of the patent scope of the application, the hollow fiber tubular membrane oil gas purification treatment method with a scrubbing absorption tower, wherein the other end of the exhaust gas delivery pipeline is further transported to the atmosphere. As described in item 16 of the patent application scope, the hollow fiber tubular membrane oil and gas purification treatment method with a scrubbing 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 16 of the scope of the patent application, the hollow fiber tubular membrane oil gas purification 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 16 of the scope of the patent application, the hollow fiber tubular membrane oil gas purification treatment method with a washing absorption tower, wherein the exhaust communication pipeline is further provided with a second exhaust valve and a fourth exhaust valve. Hollow fiber tubular membrane oil and gas purification treatment method with washing absorption tower as described in item 16 of the scope of patent application, wherein the second pipeline is further connected with a second extension pipeline, and the second extension pipeline is further A second extension valve and a second extension flow limiting valve are provided. Hollow fiber tubular membrane oil and gas purification treatment method with washing absorption tower as described in item 16 of the scope of patent application, wherein the fourth pipeline is further connected with a fourth extension pipeline, and the fourth extension pipeline is further A fourth extension valve and a fourth extension flow limiting valve are provided. As described in item 16 of the patent application scope, the hollow fiber tubular membrane oil gas purification treatment method with a scrubbing and absorbing tower, wherein at least one absorbent is further provided in the scrubbing and absorbing tower, and the absorbent is diesel oil. As described in item 16 of the patent application scope, the hollow fiber tubular membrane oil gas purification treatment method with a scrubbing and absorbing tower, wherein the scrubbing and absorbing tower is further equipped with at least one absorbing tower packing. The hollow fiber tubular membrane oil gas purification treatment method with a scrubbing absorption tower as described in item 16 of the patent scope of the application, wherein the scrubbing and absorption tower is further provided with a circulation pipeline, and the other end of the circulation pipeline is provided with at least one sprinkler head. As described in item 28 of the scope of application for a hollow fiber tubular membrane oil gas purification treatment method with a scrubbing and absorbing tower, the other end of the circulation pipeline is further extended into the scrubbing and absorbing tower. As described in item 28 of the scope of application for a hollow fiber tubular membrane oil gas purification treatment method with a scrubbing absorption tower, one end of the circulation pipeline is further connected to the bottom of the scrubbing absorption tower, and the circulation pipeline is further set There is a circulation pump.

Images