Oil gas recovery processing system
By introducing an absorption tower and cascaded pipeline adsorption components into the oil and gas recovery system, combined with plate heat exchangers to cool lean oil, the problems of poor adsorption effect and safety hazards in the existing technology are solved, and efficient oil and gas absorption and adsorption purification are achieved.
Patent Information
- Application Number
- CN202520029160.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-06
AI Technical Summary
In existing oil and gas recovery systems, the single-stage adsorption effect of the adsorption tank is limited, and the absorption efficiency of lean oil at room temperature is poor, resulting in excessive emission concentrations and safety hazards.
An oil and gas recovery and treatment system was designed, including a collection tank, a blower, an absorption tower, a gas-liquid separator, an adsorption component, and a desorption component. The absorption tower first absorbs high-concentration oil and gas to reduce the pressure on the adsorption component. A cascaded pipeline is used to achieve two-stage adsorption. Combined with a plate heat exchanger to cool lean oil, the absorption and adsorption effects are improved.
It significantly improves the absorption and adsorption purification effect of oil and gas, reduces adsorption pressure, and enhances system safety and absorption efficiency.
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Figure CN223688276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil gas recovery processing technical field, especially relate to a kind of oil gas recovery processing system. BACKGROUND
[0002] Oil gas recovery refers to the recovery of oil gas emitted during storage and transportation, loading and unloading, to prevent air pollution caused by oil gas evaporation and eliminate safety hazards.
[0003] Currently, the oil gas recovery system processes oil gas by first adsorbing it with activated carbon in an adsorption tank and then absorbing it in an absorption tower. In the case of large oil capacity, the initial adsorption will exert a large pressure on the activated carbon in the adsorption tank, affecting the purification effect of carbon adsorption. At the same time, the adsorption tank in the oil gas recovery system is mostly single-stage adsorption, with limited adsorption effect, failing to achieve sufficient adsorption of oil gas, which may lead to excessive emission concentration. In addition, the lean oil in the absorption tower in the existing oil gas recovery system is at room temperature (about 30-40℃), and the absorption effect of lean oil on oil gas at room temperature is not ideal, with poor recovery efficiency. SUMMARY
[0004] The utility model solves the technical problems: overcome the deficiency in the prior art, provide a kind of structure design simple, oil gas is fully absorbed and adsorbed oil gas recovery processing system.
[0005] The utility model solves the technical problems by adopting the following technical scheme: an oil gas recovery processing system includes a liquid collecting tank, a blower, an absorption tower, a gas-liquid separation tank, an adsorption assembly, an emptying cylinder, an inlet pipeline, an outlet pipeline and a rich oil conveying pipeline, the inlet of the liquid collecting tank is communicated with the inlet pipeline, the gas outlet of the liquid collecting tank is communicated with the gas inlet of the absorption tower through the blower, and the oil outlet is communicated with the oil inlet of the absorption tower, the gas outlet of the absorption tower is communicated with the gas inlet of the gas-liquid separation tank, and the oil outlet is communicated with the rich oil conveying pipeline, the oil outlet of the gas-liquid separation tank is communicated with the oil inlet of the absorption tower, and the gas outlet is communicated with the gas inlet of the adsorption assembly, and the gas outlet of the adsorption assembly is communicated with the emptying cylinder through the outlet pipeline.
[0006] Further, the adsorption assembly includes an adsorption tank, an inlet main pipe, an inlet branch pipe, an outlet main pipe, an outlet branch pipe, a cascade pipeline and a desorption group, the adsorption tank is four, and is arranged side by side, the gas inlet of the adsorption tank is communicated with the inlet main pipe through the inlet branch pipe, and the gas outlet is communicated with the outlet main pipe through the outlet branch pipe, the gas inlet of the inlet main pipe is communicated with the gas outlet of the gas-liquid separation tank, the gas outlet of the outlet main pipe is communicated with the outlet pipeline, the two ends of the cascade pipeline are respectively communicated with the inlet main pipe and the outlet main pipe, and the inlet branch pipe is communicated with the desorption group.
[0007] Further, the desorption group comprises a desorption total inlet pipe, a desorption branch pipe, a vacuum pump, a pipe heat exchanger, a desorption inlet pipe, a desorption outlet pipe and a desorption total outlet pipe, the desorption total inlet pipe is communicated with the inlet branch pipe through the desorption branch pipe, the inlet of the vacuum pump is communicated with the desorption total inlet pipe through the desorption inlet pipe, the outlet of the vacuum pump is communicated with the inlet of the pipe heat exchanger, the outlet of the pipe heat exchanger is communicated with the desorption total outlet pipe through the desorption outlet pipe, and the desorption total outlet pipe is communicated with the liquid collecting tank.
[0008] Further, the desorption group further comprises a filter, which is installed at the end of the desorption total inlet pipe close to the desorption inlet pipe.
[0009] Further, the adsorption assembly further comprises a cooling group, which comprises a cooling liquid tank, a cooling liquid pump and a cooler, the inlet of the cooling liquid tank is communicated with the outlet of the pipe heat exchanger, the outlet of the cooling liquid tank is communicated with the inlet of the cooler through the cooling liquid pump, the outlet of the cooler is communicated with the inlet of the vacuum pump, and the outlet of the vacuum pump is communicated with the inlet of the pipe heat exchanger.
[0010] Further, the absorption tower comprises a tower body, a filler layer and a spraying assembly, the filler layer and the spraying assembly are arranged in the tower body, and the spraying assembly is arranged above the filler layer.
[0011] Further, the absorption tower further comprises a first plate heat exchanger and a second plate heat exchanger, the first plate heat exchanger is installed on the lean oil conveying pipeline and arranged behind the lean oil conveying pump, and the second plate heat exchanger is installed on the lean oil conveying pipeline and the rich oil conveying pipeline and arranged between the lean oil conveying pump and the first plate heat exchanger.
[0012] Further, fire arresters are installed on the inlet pipeline and the outlet pipeline respectively.
[0013] Further, the inlet pipeline is communicated with the outlet pipeline through a first emergency emptying pipeline, and the inlet total pipeline is communicated with the outlet pipeline through a second emergency emptying pipeline.
[0014] Further, the desorption total outlet pipe is communicated with the inlet total pipeline through a third emergency emptying pipeline.
[0015] The oil gas is absorbed and treated by the absorption tower and then adsorbed and purified by the adsorption assembly, most of the high-concentration oil gas is absorbed by the absorption tower, thereby greatly reducing the adsorption pressure of the activated carbon in the adsorption assembly, which is beneficial to the full adsorption of the activated carbon to the oil gas, and the adsorption and purification effect is significantly improved.
[0016] (1) The oil gas is absorbed and treated by the absorption tower and then adsorbed and purified by the adsorption assembly, most of the high-concentration oil gas is absorbed by the absorption tower, thereby greatly reducing the adsorption pressure of the activated carbon in the adsorption assembly, which is beneficial to the full adsorption of the activated carbon to the oil gas, and the adsorption and purification effect is significantly improved.
[0017] (2) The cascade pipeline in the utility model can realize two adsorption tanks in series, thereby realizing two-stage adsorption, and further improving the adsorption purification effect.
[0018] (3) The first plate heat exchanger and the second plate heat exchanger in the utility model are arranged to cool the lean oil in the lean oil conveying pipeline, so that the lean oil entering the absorption tower is low temperature (lower than 5 DEG C), thereby improving the oil gas absorption effect. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and embodiments.
[0020] Figure 1 is the front process schematic view of the utility model;
[0021] Figure 2 is the rear process schematic view of the utility model;
[0022] Figure 3 is the schematic view of the absorption tower in the utility model;
[0023] Figure 4 is the schematic view of the desorption group in the utility model.
[0024] In the drawing: 100, liquid collecting tank; 200, air blower; 300, absorption tower; 310, tower body; 320, filler layer; 330, spraying assembly; 340, lean oil conveying pipeline; 350, lean oil conveying pump; 360, first plate heat exchanger; 370, second plate heat exchanger; 380, first override pipeline; 390, second override pipeline; 400, gas-liquid separation tank; 500, adsorption assembly; 510, adsorption tank; 520, gas inlet main pipe; 530, gas inlet branch pipe; 540, gas outlet main pipe; 550, gas outlet branch pipe; 560, cascade pipeline; 570, desorption group; 571, desorption total inlet pipe; 572, desorption branch pipe; 573, vacuum pump; 574, tubular heat exchanger; 575, desorption inlet pipe; 576, desorption outlet pipe; 577, desorption total outlet pipe; 578, filter; 580, cooling group; 581, cooling liquid tank; 582, cooling liquid pump; 583, cooler; 584, first cooling liquid pipeline; 585, second cooling liquid pipeline; 586, third cooling liquid pipeline; 590, third emergency emptying pipeline; 600, emptying cylinder; 700, inlet pipeline; 800, outlet pipeline; 900, rich oil conveying pipeline; 1000, flame arrester; 1100, first emergency emptying pipeline; 1200, second emergency emptying pipeline; 1300, first oil inlet pipeline; 1400, second oil inlet pipeline; 1500, rich oil conveying pump; 1600, third override pipeline. DETAILED DESCRIPTION
[0025] The utility model will be further described in connection with the drawings. These drawings are all simplified schematic diagrams which only schematically show the basic structure of the utility model, and thus only show the components related to the utility model.
[0026] As shown in Figure 1 and Figure 2 , an oil gas recovery treatment system comprises a liquid collecting tank 100, a blower 200, an absorption tower 300, a gas-liquid separation tank 400, an adsorption assembly 500, an emptying cylinder 600, an inlet pipeline 700, an outlet pipeline 800 and an oil-rich conveying pipeline 900. The inlet of the liquid collecting tank 100 is communicated with the inlet pipeline 700. The gas outlet of the liquid collecting tank 100 is communicated with the gas inlet of the absorption tower 300 through the blower 200, and the oil outlet thereof is communicated with the oil inlet of the absorption tower 300. The gas outlet of the absorption tower 300 is communicated with the gas inlet of the gas-liquid separation tank 400, and the oil outlet thereof is communicated with the oil-rich conveying pipeline 900. The oil outlet of the gas-liquid separation tank 400 is communicated with the oil inlet of the absorption tower 300, and the gas outlet thereof is communicated with the gas inlet of the adsorption assembly 500. The gas outlet of the adsorption assembly 500 is communicated with the emptying cylinder 600 through the outlet pipeline 800. After the oil gas is treated by absorption in the absorption tower 300, it is subjected to adsorption purification in the adsorption assembly 500. Since the absorption tower 300 absorbs most of the high-concentration oil gas, the adsorption pressure of the activated carbon in the adsorption assembly 500 is greatly reduced, which is beneficial to the full adsorption of the oil gas by the activated carbon, thereby significantly improving the effect of adsorption purification.
[0027] Specifically, as shown in Figure 1 , the oil outlet of the liquid collecting tank 100 is communicated with the oil inlet of the absorption tower 300 through a first oil inlet pipeline 1300. The oil outlet of the gas-liquid separation tank 400 is communicated with the oil inlet of the absorption tower 300 through a second oil inlet pipeline 1400. The inlet pipeline 700 is communicated with the outlet pipeline 800 through a first emergency emptying pipeline 1100, so as to realize emergency discharge of oil gas when the system fails. An oil-rich conveying pump 1500 is installed on the oil-rich conveying pipeline 900.
[0028] As shown in Figure 2As shown, the adsorption assembly 500 includes four adsorption tanks 510, an inlet manifold 520, inlet branch pipes 530, an outlet manifold 540, outlet branch pipes 550, a cascade pipeline 560, and a desorption group 570. The inlet of the adsorption tanks 510 is communicated with the inlet manifold 520 through the inlet branch pipes 530, and the outlet of the adsorption tanks 510 is communicated with the outlet manifold 540 through the outlet branch pipes 550. The inlet of the inlet manifold 520 is communicated with the outlet of the gas-liquid separation tank 400, and the outlet of the outlet manifold 540 is communicated with the outlet pipeline 800. The two ends of the cascade pipeline 560 are communicated with the inlet manifold 520 and the outlet manifold 540, respectively, and the inlet branch pipes 530 are communicated with the desorption group 570. The cascade pipeline 560 can realize two adsorption tanks 510 in series, thereby realizing two-stage adsorption and further improving the adsorption purification effect. Specifically, the inlet manifold 520 is communicated with the outlet pipeline 800 through a second emergency emptying pipeline 1200, so as to realize oil gas emergency discharge when the pressure in the gas-liquid separation tank 400 is too large, and further improve the safety of the system.
[0029] For the convenience of describing the two-stage adsorption principle, the four adsorption tanks 510 are numbered as 1, 2, 3, and 4 from left to right, wherein No. 1 and No. 3 are a group, and No. 2 and No. 4 are a group. Taking the No. 1 and No. 3 adsorption tanks 510 as an example, the flow path of the oil gas is: the inlet manifold 520→the inlet branch pipe 530 corresponding to the No. 1 adsorption tank 510→the No. 1 adsorption tank 510→the outlet branch pipe 550 corresponding to the No. 1 adsorption tank 510→the outlet manifold 540→the cascade pipeline 560→the inlet manifold 520→the inlet branch pipe 530 corresponding to the No. 3 adsorption tank 510→the No. 3 adsorption tank 510→the outlet branch pipe 550 corresponding to the No. 3 adsorption tank 510→the outlet manifold 540→the outlet pipeline 800.
[0030] Of course, when the oil gas treatment amount is not large, a single adsorption tank 510 can also be used for adsorption treatment.
[0031] As Figure 2 and Figure 4As shown, the desorption group 570 includes a desorption total inlet pipe 571, a desorption branch pipe 572, a vacuum pump 573, a tubular heat exchanger 574, a desorption inlet pipe 575, a desorption outlet pipe 576 and a desorption total outlet pipe 577, the desorption total inlet pipe 571 is communicated with the inlet branch pipe 530 through the desorption branch pipe 572, the inlet of the vacuum pump 573 is communicated with the desorption total inlet pipe 571 through the desorption inlet pipe 575, the outlet of the vacuum pump 573 is communicated with the inlet of the tubular heat exchanger 574, the outlet of the tubular heat exchanger 574 is communicated with the desorption total outlet pipe 577 through the desorption outlet pipe 576, and the desorption total outlet pipe 577 is communicated with the liquid collecting tank 100. Specifically, the vacuum pump 573 is three, and the tubular heat exchanger 574 is correspondingly three, among which two vacuum pumps 573 are used normally and one is used as a backup to ensure the working stability of the desorption group 570. Specifically, the desorption total outlet pipe 577 is communicated with the inlet total pipe 520 through the third emergency exhaust pipe 590 to realize the emergency discharge of oil gas.
[0032] As shown in Figure 4 , the desorption group 570 further includes a filter 578, which is installed at the end of the desorption total inlet pipe 571 close to the desorption inlet pipe 575. The filter 578 is arranged to prevent impurities from entering the vacuum pump 573.
[0033] As shown in Figure 2 and Figure 4 , the adsorption assembly 500 further includes a cooling group 580, which includes a cooling liquid tank 581, a cooling liquid pump 582 and a cooler 583. The inlet of the cooling liquid tank 581 is communicated with the outlet of the tubular heat exchanger 574, and the outlet thereof is communicated with the inlet of the cooler 583 through the cooling liquid pump 582. The outlet of the cooler 583 is communicated with the inlet of the vacuum pump 573, and the outlet of the vacuum pump 573 is communicated with the inlet of the tubular heat exchanger 574. The cooling group 580 is arranged to cool the oil gas generated in the desorption process, so that it enters the liquid collecting tank 100 at low temperature, thereby facilitating the subsequent recovery of the absorption tower 300. At the same time, the cooling group 580 cools the vacuum pump 573 to ensure its working performance. Specifically, the inlet of the cooling liquid tank 581 is communicated with the outlet of the tubular heat exchanger 574 through the first cooling liquid pipe 584; the outlet of the cooler 583 is communicated with the inlet of the vacuum pump 573 through the second cooling liquid pipe 585; and the outlet of the vacuum pump 573 is communicated with the inlet of the tubular heat exchanger 574 through the third cooling liquid pipe 586.
[0034] As shown in Figure 1 and Figure 3As shown in the figure, the absorption tower 300 comprises a tower body 310, a filler layer 320, a spraying assembly 330, a lean oil conveying pipeline 340 and a lean oil conveying pump 350, the filler layer 320 and the spraying assembly 330 are arranged in the tower body 310, the spraying assembly 330 is arranged above the filler layer 320, the lean oil conveying pipeline 340 is communicated with the spraying assembly 330, and the lean oil conveying pump 350 is installed on the lean oil conveying pipeline 340. Specifically, the filler layer 320 is two layers; the spraying assembly 330 comprises a spraying pipe and a spraying head, which are prior art and will not be described here.
[0035] As shown in the figure, Figure 3 The absorption tower 300 further comprises a first plate heat exchanger 360 and a second plate heat exchanger 370, the first plate heat exchanger 360 is installed on the lean oil conveying pipeline 340 and arranged behind the lean oil conveying pump 350, and the second plate heat exchanger 370 is installed on the lean oil conveying pipeline 340 and the rich oil conveying pipeline 900 and arranged between the lean oil conveying pump 350 and the first plate heat exchanger 360. Specifically, the first plate heat exchanger 360 exchanges heat with a refrigeration system (not shown in the figure); the lean oil conveying pipeline 340 is provided with a first bypass pipeline 380 connected in parallel with the first plate heat exchanger 360 and a second bypass pipeline 390 connected in parallel with the second plate heat exchanger 370; and the rich oil conveying pipeline 900 is provided with a third bypass pipeline 1600 connected in parallel with the second plate heat exchanger 370. The arrangement of the first plate heat exchanger 360 and the second plate heat exchanger 370 cools the lean oil in the lean oil conveying pipeline 340, so that the lean oil entering the absorption tower 300 is low temperature (lower than 5℃), thereby improving the absorption effect of the oil gas. Among them, the second plate heat exchanger 370 fully utilizes the cold energy of the liquid gasoline in the rich oil conveying pipeline 900 to pre-cool the lean oil in the lean oil conveying pipeline 340, thereby ensuring that the lean oil always maintains low temperature. When the first plate heat exchanger 360 and the second plate heat exchanger 370 need to be maintained or the lean oil temperature is low enough in the cold season and the first plate heat exchanger 360 and the second plate heat exchanger 370 are not needed, the first bypass pipeline 380, the second bypass pipeline 390 and the third bypass pipeline 1600 are opened.
[0036] As shown in the figure, Figure 1 and Figure 2 In order to ensure the safety of the system, the inlet pipeline 700 and the outlet pipeline 800 are respectively provided with flame arresters 1000.
[0037] It should be noted that the valves for controlling the opening and closing of the pipelines in the system are provided on the respective pipelines, which are prior art and will not be described here.
[0038] In working, oil gas enters the collecting tank 100 through the inlet pipeline 700, the liquid gasoline in the collecting tank 100 enters the absorption tower 300 through the first oil inlet pipeline 1300, the unliquefied oil gas in the collecting tank 100 enters the absorption tower 300 for absorption treatment, the formed liquid gasoline drops and is collected, the unliquefied oil gas enters the gas-liquid separation tank 400, the liquid gasoline in the gas-liquid separation tank 400 enters the absorption tower 300 through the second oil inlet pipeline 1400, the unliquefied oil gas in the gas-liquid separation tank 400 enters the adsorption assembly 500 for adsorption purification, the purified gas enters the exhaust cylinder 600 for discharge through the outlet pipeline 800, and the liquid gasoline gathered in the absorption tower 300 is recycled through the rich oil conveying pipeline 900.
[0039] The above embodiment is only for illustrating the technical concept and characteristics of the present application, and its purpose is to enable the person skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, and any equivalent changes or modifications according to the spirit and essence of the present application shall be covered within the protection scope of the present application.
Claims
1. An oil and gas recovery processing system characterized by: The system comprises a liquid collecting tank (100), a blower (200), an absorption tower (300), a gas-liquid separation tank (400), an adsorption assembly (500), an emptying cylinder (600), an inlet pipeline (700), an outlet pipeline (800) and a rich oil conveying pipeline (900), the inlet of the liquid collecting tank (100) is communicated with the inlet pipeline (700), the gas outlet of the liquid collecting tank (100) is communicated with the gas inlet of the absorption tower (300) through the blower (200), and the oil outlet is communicated with the oil inlet of the absorption tower (300), the gas outlet of the absorption tower (300) is communicated with the gas inlet of the gas-liquid separation tank (400), and the oil outlet is communicated with the rich oil conveying pipeline (900), the oil outlet of the gas-liquid separation tank (400) is communicated with the oil inlet of the absorption tower (300), and the gas outlet is communicated with the gas inlet of the adsorption assembly (500), the gas outlet of the adsorption assembly (500) is communicated with the emptying cylinder (600) through the outlet pipeline (800).
2. The oil and gas recovery processing system of claim 1, wherein: The adsorption assembly (500) comprises four adsorption tanks (510), a gas inlet main pipe (520), a gas inlet branch pipe (530), a gas outlet main pipe (540), a gas outlet branch pipe (550), a cascade pipeline (560) and a desorption group (570), the gas inlets of the adsorption tanks (510) are communicated with the gas inlet branch pipe (530) and the gas inlet main pipe (520), and the gas outlets are communicated with the gas outlet branch pipe (550) and the gas outlet main pipe (540), the gas inlet of the gas inlet main pipe (520) is communicated with the gas outlet of the gas-liquid separation tank (400), the gas outlet of the gas outlet main pipe (540) is communicated with the outlet pipeline (800), the cascade pipeline (560) is communicated with the gas inlet main pipe (520) and the gas outlet main pipe (540) at two ends, and the gas inlet branch pipe (530) is communicated with the desorption group (570).
3. The oil and gas recovery processing system of claim 2, wherein: The desorption group (570) comprises a desorption total inlet pipe (571), a desorption branch pipe (572), a vacuum pump (573), a tubular heat exchanger (574), a desorption inlet pipe (575), a desorption outlet pipe (576) and a desorption total outlet pipe (577), the desorption total inlet pipe (571) is communicated with the gas inlet branch pipe (530) through the desorption branch pipe (572), the gas inlet of the vacuum pump (573) is communicated with the desorption total inlet pipe (571) through the desorption inlet pipe (575), the gas outlet of the vacuum pump (573) is communicated with the gas inlet of the tubular heat exchanger (574), the gas outlet of the tubular heat exchanger (574) is communicated with the desorption total outlet pipe (577) through the desorption outlet pipe (576), and the desorption total outlet pipe (577) is communicated with the liquid collecting tank (100).
4. The oil and gas recovery processing system of claim 3, wherein: The desorption group (570) further comprises a filter (578), which is installed at the end of the desorption total inlet pipe (571) close to the desorption inlet pipe (575).
5. The oil and gas recovery processing system of claim 3, wherein: The adsorption assembly (500) further comprises a cooling group (580), the cooling group (580) comprises a cooling liquid tank (581), a cooling liquid pump (582) and a cooler (583), the inlet of the cooling liquid tank (581) is communicated with the outlet of the tubular heat exchanger (574), and the outlet thereof is communicated with the inlet of the cooler (583) through the cooling liquid pump (582), the outlet of the cooler (583) is communicated with the inlet of the vacuum pump (573), and the outlet of the vacuum pump (573) is communicated with the inlet of the tubular heat exchanger (574).
6. The oil and gas recovery processing system of claim 1, wherein: The absorption tower (300) comprises a tower body (310), a filler layer (320), a spraying assembly (330), a lean oil conveying pipeline (340) and a lean oil conveying pump (350), the filler layer (320) and the spraying assembly (330) are arranged in the tower body (310), the spraying assembly (330) is arranged above the filler layer (320), the lean oil conveying pipeline (340) is communicated with the spraying assembly (330), and the lean oil conveying pump (350) is installed on the lean oil conveying pipeline (340).
7. The oil and gas recovery processing system of claim 6, wherein: The absorption tower (300) further comprises a first plate heat exchanger (360) and a second plate heat exchanger (370), the first plate heat exchanger (360) is installed on the lean oil conveying pipeline (340) and arranged behind the lean oil conveying pump (350), and the second plate heat exchanger (370) is installed on the lean oil conveying pipeline (340) and the rich oil conveying pipeline (900) and arranged between the lean oil conveying pump (350) and the first plate heat exchanger (360).
8. The oil and gas recovery processing system of claim 1, wherein: The inlet pipeline (700) and the outlet pipeline (800) are respectively provided with a flame arrester (1000).
9. The oil and gas recovery processing system of claim 3, wherein: The inlet pipeline (700) is communicated with the outlet pipeline (800) through a first emergency exhaust pipeline (1100), and the gas inlet manifold (520) is communicated with the outlet pipeline (800) through a second emergency exhaust pipeline (1200).
10. The oil and gas recovery processing system of claim 9, wherein: The desorption total outlet pipeline (577) is communicated with the gas inlet manifold (520) through a third emergency exhaust pipeline (590).