Membrane separation type oil gas recovery device for condensing oil gas

Abstract

The utility model relates to the technical field of condensed oil-gas separation, in particular to a membrane separation type oil-gas recovery device for condensed oil gas, which comprises a treatment box main body, two groups of connecting plates are arranged in the treatment box main body, two groups of connecting frames are arranged in the connecting plates, and oil-gas separation membranes are arranged in the connecting frames. The oil-gas separation membrane is connected with the connecting frames through a plurality of connecting assemblies, a mounting plate is arranged between the two connecting frames and located in the treatment box main body, negative pressure pumps are arranged in the mounting plate and the treatment box main body, and a gas inlet pipe is arranged on the outer side of the treatment box main body; a conveying pipe is arranged at one end, away from the gas inlet pipe, of the treatment box main body; the connecting assembly is composed of a pressing block, a moving block, a moving rod and a limiting rod, the pressing block is slidably connected to the interior of the connecting frame, and compared with an existing oil and gas recovery device, the overall practicability of the oil and gas recovery device can be improved through the design.

Description

Technical Field

[0001] The utility model relates to the technical field of condensation oil-gas separation, in particular to a membrane separation type oil-gas recovery device for condensing oil-gas. Background Technique

[0002] For the traditional activated carbon adsorption method oil-gas recovery device, activated carbon has good adsorption capacity for oil-gas. The oil-gas is preferentially adsorbed by the activated carbon, and the air is discharged, so as to achieve the purpose of oil-gas separation. The activated carbon loses its activity generally after 3 to 5 years of use and no longer has adsorption capacity. At this time, all the old activated carbon in the device needs to be replaced with new activated carbon. Because the activated carbon adsorbs oil-gas for a long time and then desorbs the oil-gas, a large amount of oil-gas remains in the activated carbon that is about to lose its activity and cannot be completely desorbed. When replacing the activated carbon, the remaining oil-gas will be lost, resulting in energy waste. On the other hand, it also brings potential safety hazards to the on-site operation of replacing the activated carbon. Moreover, the replaced activated carbon belongs to flammable and explosive substances due to the remaining oil-gas inside, and needs to be treated secondary in a designated place. The treated activated carbon has become fixed waste, namely solid waste. That is to say, this oil-gas recovery method currently cannot fully meet the requirements of the environmental protection department. At the same time, in the hot summer weather, it is very difficult to effectively control the temperature of the activated carbon bed in the activated carbon adsorption method oil-gas recovery device, which makes the adsorption capacity of the activated carbon drop sharply, resulting in the risk of exceeding the emission standard, not meeting the requirements of the environmental protection department for the requirement that the oil-gas emission must meet the standard at all times. Therefore, for the improvement of the existing oil-gas recovery device, it is particularly important to design a new membrane separation type oil-gas recovery device for condensing oil-gas to solve the above technical defects and improve the practicability of the overall oil-gas recovery device. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a membrane separation type oil-gas recovery device for condensing oil-gas. Through the design of the main body of the treatment tank, the oil-gas is introduced into the inside of the connecting pipe, so that the oil-gas can be introduced into the inside of the main body of the treatment tank. The negative pressure pump in the mounting plate is started, so that a negative pressure is generated in the negative pressure chamber, and a pressure difference is generated on both sides of the oil-gas separation membrane. The oil-gas can preferentially pass through the membrane leaves. At this time, the oil-gas is instantaneously pulled into the inside of the negative pressure chamber on the other side of the oil-gas separation membrane by the positive pressure and the reverse suction force. At this time, the mixture of oil-gas and air has been completely separated. Because the air is difficult to pass through the membrane leaves, it is blocked on the positive pressure side of the membrane. Subsequently, the separated air is discharged through the exhaust pipe in the positive pressure chamber. At this time, another group of negative pressure pumps is started, so that the oil-gas separated once is separated again, making the effect of oil-gas separation better, and then recovered through the conveying pipe. And the whole process is not accompanied by a large change in heat energy, so it has the advantages of energy conservation, environmental protection, continuous operation, convenient automatic control, etc., and has a certain promotion value, so as to solve the problems put forward in the above background technique.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A membrane separation type oil and gas recovery device for condensing oil and gas, comprising a main processing tank body. Inside the main processing tank body, there are two groups of connecting plates. Inside the connecting plates, there are two groups of connecting frames. Inside the connecting frames, there is an oil and gas separation membrane. The oil and gas separation membrane is connected to the connecting frame through multiple groups of connecting components. Between the two groups of connecting frames and inside the main processing tank body, there is a mounting plate. Negative pressure pumps are provided inside both the mounting plate and the main processing tank body. An air inlet pipe is provided on the outer side of the main processing tank body, and a conveying pipe is provided at one end of the main processing tank body away from the air inlet pipe;

[0006] The connecting component is composed of a pressing block, a moving block, a moving rod and a limiting rod. The pressing block is slidably connected inside the connecting frame. The moving block is located outside the pressing block. The moving rod is fixedly connected to the end of the moving block away from the pressing block. The limiting rod is slidably connected inside the connecting frame and close to one end of the moving rod.

[0007] As a preferred solution of the present utility model, connecting belts are provided at both ends of the oil and gas separation membrane inside the connecting frame. Connecting blocks are provided at both ends of the oil and gas separation membrane inside the connecting frame, and the oil and gas separation membrane is connected to the connecting frame through the connecting blocks.

[0008] As a preferred solution of the present utility model, the two groups of connecting frames are connected by flexible blocks, and a winding roller is provided at one end of the connecting frame away from the flexible block. The main processing tank body is connected to the winding roller through a connecting shell.

[0009] As a preferred solution of the present utility model, a fixed shell is provided outside the pressing block and inside the connecting frame. Multiple guiding grooves are provided on the outer side of the fixed shell, and limiting grooves are provided on the outer side of the guiding grooves and outside the fixed shell.

[0010] As a preferred solution of the present utility model, a guiding block is provided outside the pressing block and inside the guiding groove. A limiting block is provided outside the moving block and inside the guiding groove. The limiting block is designed in an arc structure.

[0011] As a preferred solution of the present utility model, a first compression spring is provided at the end of the moving block away from the pressing block. The two ends of the first compression spring are respectively connected to the moving block and the connecting frame. The oil and gas separation membrane is connected to the limiting rod through a clamping groove. The limiting rod is connected to the connecting frame through a second compression spring.

[0012] As a preferred solution of the present utility model, the connecting frame divides the inside of the main processing tank body into a positive pressure chamber and a negative pressure chamber. An exhaust pipe is provided on the outer side of the main processing tank body and close to the positive pressure chamber.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. In the present utility model, through the design of the treatment tank main body, the oil and gas are introduced into the interior of the connecting pipe, enabling the oil and gas to be introduced into the interior of the treatment tank main body. The negative pressure pump in the mounting plate is started, causing a negative pressure in the negative pressure chamber, and a pressure difference is generated on both sides of the oil and gas separation membrane. The oil and gas can preferentially pass through the membrane leaves. At this time, the oil and gas are instantaneously pulled to the interior of the negative pressure chamber on the other side of the oil and gas separation membrane by the positive pressure and the reverse suction force. At this time, the mixture of oil and gas and air has been completely separated. Since air is difficult to pass through the membrane leaves, it is blocked on the positive pressure side of the membrane. Subsequently, the separated air is discharged through the exhaust pipe in the positive pressure chamber. At this time, another group of negative pressure pumps is started, enabling the oil and gas that have been separated once to be separated again, resulting in a better oil and gas separation effect. Then, it is recovered through the delivery pipe, and the entire process is not accompanied by a large amount of heat energy change. Therefore, it has the advantages of energy conservation, environmental protection, continuous operation, and convenient automatic control, and has certain popularization value.

[0015] 2. In the present utility model, through the design of the connecting frame, when the oil and gas separation membrane inside one group of connecting frames is used up, another group of oil and gas separation membranes can be replaced, enabling the treatment tank main body to continue operating, reducing the frequency of replacing the oil and gas separation membrane, and thus increasing the efficiency of oil and gas separation.

[0016] 3. In the present utility model, through the design of the connecting component, when the oil and gas separation membrane needs to be installed, the limiting rod is displaced into the interior of the oil and gas separation membrane and connected to the clamping groove. The oil and gas separation membrane can be limited inside the connecting frame through the limiting rod, and the oil and gas separation membrane is installed. Through the design of the connecting component, it is convenient to install the oil and gas separation membrane. Similarly, when disassembling and replacing the oil and gas separation membrane, it is also convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the connecting frame structure of the present utility model;

[0019] Figure 3 is a schematic diagram of the connecting component structure of the present utility model.

[0020] In the figure: 1. Treatment tank main body; 2. Connecting plate; 3. Connecting frame; 4. Oil and gas separation membrane; 5. Connecting component; 6. Mounting plate; 7. Inlet pipe; 8. Delivery pipe; 9. Pressing block; 10. Moving block; 11. Moving rod; 12. Limiting rod; 13. Connecting belt; 14. Connecting block; 15. Flexible block; 16. Winding roller; 17. Connecting shell; 18. Fixed shell; 19. Guide groove; 20. Limiting groove; 21. Guide block; 22. Limiting block; 23. First compression spring; 24. Positive pressure chamber; 25. Negative pressure chamber; 26. Exhaust pipe. Detailed implementation mode

[0021] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment:

[0023] Please refer to Figures 1-3 , the present invention provides a technical solution:

[0024] A membrane separation type oil and gas recovery device for condensing oil and gas, including a processing tank main body 1. There are two groups of connecting plates 2 inside the processing tank main body 1. There are two groups of connecting frames 3 inside the connecting plates 2. An oil and gas separation membrane 4 is arranged inside the connecting frames 3. The oil and gas separation membrane 4 is connected to the connecting frames 3 through a plurality of connecting components 5. An installation plate 6 is arranged between the two groups of connecting frames 3 and inside the processing tank main body 1. Negative pressure pumps are arranged inside both the installation plate 6 and the processing tank main body 1. An air inlet pipe 7 is arranged on the outside of the processing tank main body 1, and a conveying pipe 8 is arranged at one end of the processing tank main body 1 away from the air inlet pipe 7;

[0025] The connecting component 5 is composed of a pressing block 9, a moving block 10, a moving rod 11 and a limiting rod 12. The pressing block 9 is slidably connected inside the connecting frame 3. The moving block 10 is located outside the pressing block 9. The moving rod 11 is fixedly connected to the end of the moving block 10 away from the pressing block 9. The limiting rod 12 is slidably connected inside the connecting frame 3 and close to one end of the moving rod 11.

[0026] Furthermore, connecting belts 13 are arranged at both ends of the oil and gas separation membrane 4 inside the connecting frame 3. Connecting blocks 14 are arranged at both ends of the oil and gas separation membrane 4 and inside the connecting frame 3. The oil and gas separation membrane 4 is connected to the connecting frame 3 through the connecting blocks 14. By means of the connecting belts 13 for the oil and gas separation membrane 4, it can prevent the connecting frame 3 from affecting the winding of the oil and gas separation membrane 4. Connecting the connecting blocks 14 to the connecting frame 3 enables the oil and gas separation membrane 4 to be positioned inside the connecting frame 3, so that the oil and gas separation membrane 4 can be conveniently installed inside the connecting frame 3.

[0027] Among them, two sets of connecting frames 3 are connected by a flexible block 15, and a winding roller 16 is provided at one end of the connecting frame 3 away from the flexible block 15. The main body 1 of the processing box is connected to the winding roller 16 through a connecting shell 17. Rotating the winding roller 16 drives the connecting frame 3 to displace, and cooperating with the connecting belt 13 can drive the oil-gas separation membrane 4 to displace, wind up the oil-gas separation membrane 4, and wind up one set of the oil-gas separation membrane 4 inside the connecting shell 17. When the oil-gas separation membrane 4 inside one set of the connecting frames 3 is used up, another set of the oil-gas separation membrane 4 can be replaced, so that the main body 1 of the processing box can continue to operate, reduce the frequency of replacing the oil-gas separation membrane 4, and thus increase the efficiency of oil-gas separation.

[0028] Secondly, a fixed shell 18 is provided inside the connecting frame 3 on the outer side of the pressing block 9. A plurality of guiding grooves 19 are opened on the outer side of the fixed shell 18. A limiting groove 20 is opened on the outer side of the guiding groove 19 and on the outer side of the fixed shell 18. The limiting groove 20 is designed in an arc structure, and the limiting block 22 is designed in an inclined surface structure. A guiding block 21 is provided inside the guiding groove 19 on the outer side of the pressing block 9. A limiting block 22 is provided inside the guiding groove 19 on the outer side of the moving block 10. The limiting block 22 is designed in an arc structure. Displacing the pressing block 9 drives the guiding block 21 to displace, so that the guiding block 21 displaces inside the guiding groove 19, drives the limiting block 22 to displace, and displaces the limiting block 22 from the inside of the guiding groove 19 to the inside of the limiting groove 20.

[0029] Furthermore, a first compression spring 23 is provided at one end of the moving block 10 away from the pressing block 9. The two ends of the first compression spring 23 are respectively connected to the moving block 10 and the connecting frame 3. The oil-gas separation membrane 4 is connected to the limiting rod 12 through a clamping groove. The limiting rod 12 is connected to the connecting frame 3 through a second compression spring. Driving the moving block 10 to displace through the first compression spring 23 and cooperating with the arc structure design of the limiting groove 20, the moving block 10 rotates to displace the limiting block 22 to the inside of the limiting groove 20, limits the moving block 10, and thus can limit the moving rod 11. When the moving rod 11 displaces, it can drive the limiting rod 12 to displace, displace the limiting rod 12 into the inside of the oil-gas separation membrane 4 to be connected with the clamping groove, and the oil-gas separation membrane 4 can be limited inside the connecting frame 3 through the limiting rod 12 to install the oil-gas separation membrane 4.

[0030] Furthermore, the connecting box 3 isolates the interior of the processing box body 1 into a positive pressure chamber 24 and a negative pressure chamber 25. One end of the outer side of the processing box body 1 close to the positive pressure chamber 24 is provided with an exhaust pipe 26 to introduce the oil-gas into the interior of the connecting pipe, so that the oil-gas can be introduced into the interior of the processing box body 1. The negative pressure pump in the mounting plate 6 is started to generate negative pressure in the negative pressure chamber 25, and a pressure difference is generated on both sides of the oil-gas separation membrane 4. The oil-gas can preferentially pass through the membrane blades. At this time, the oil-gas is instantaneously pulled to the interior of the negative pressure chamber 25 on the other side of the oil-gas separation membrane 4 by the positive pressure and the reverse suction force. At this time, the mixture of oil-gas and air has been completely separated. Since air is difficult to pass through the membrane blades, it is blocked on the positive pressure side of the membrane. Subsequently, the separated air is discharged through the exhaust pipe 26 in the positive pressure chamber 24. At this time, another group of negative pressure pumps is started to perform another separation on the oil-gas that has been separated once, so that the effect of oil-gas separation is better. Then it is recovered through the conveying pipe 8, and the whole process is not accompanied by a large amount of heat energy change. Therefore, it has the advantages of energy conservation, environmental protection, continuous operation, and easy automatic control, and has certain popularization value.

[0031] In this embodiment, the implementation scenario is specifically as follows: during actual use, oil and gas are introduced into the interior of the connecting pipe so that the oil and gas can be introduced into the interior of the processing tank body 1. The negative pressure pump in the mounting plate 6 is started, causing a negative pressure in the negative pressure chamber 25. A pressure difference is generated on both sides of the oil and gas separation membrane 4, and the oil and gas can preferentially pass through the membrane leaves. At this time, the oil and gas are instantaneously pulled to the interior of the negative pressure chamber 25 on the other side of the oil and gas separation membrane 4 by the forward pressure and the reverse suction force. At this time, the mixture of oil and gas and air has been completely separated. Since air is difficult to pass through the membrane leaves, it is blocked on the positive pressure side of the membrane. Subsequently, the separated air is discharged through the exhaust pipe 26 in the positive pressure chamber 24. At this time, another set of negative pressure pumps is started to separate the oil and gas that has been separated once again, resulting in a better oil and gas separation effect. Then, it is recovered through the delivery pipe 8, and the entire process is not accompanied by a large amount of heat energy change. Therefore, it has the advantages of energy conservation, environmental protection, continuous operation, and easy automation control, and has certain popularization value. When the oil and gas separation membrane 4 inside one of the connecting frames 3 is used up, another set of oil and gas separation membranes 4 can be replaced, enabling the processing tank body 1 to continue operating, reducing the frequency of replacing the oil and gas separation membrane 4, and thus increasing the efficiency of oil and gas separation. When the oil and gas separation membrane 4 needs to be installed inside the connecting frame 3, the oil and gas separation membrane 4 can be positioned inside the connecting frame 3 through the connecting block 14. Press the pressing block 9 to drive the moving block 10 to displace, causing the moving rod 11 to displace, driving the limiting rod 12 to displace, and moving the limiting rod 12 into the interior of the oil and gas separation membrane 4 to connect with the clamping groove. The oil and gas separation membrane 4 can be limited inside the connecting frame 3 through the limiting rod 12 to install the oil and gas separation membrane 4. At the same time, when the pressing block 9 is displaced, the guiding block 21 is driven to displace, causing the guiding block 21 to displace inside the guiding groove 19, driving the limiting block 22 to displace, and moving the limiting block 22 from the interior of the guiding groove 19 to the interior of the limiting groove 20. The moving block 10 is driven to displace by the first compression spring 23. With the arc-shaped structure design of the limiting groove 20, the moving block 10 rotates to move the limiting block 22 into the interior of the limiting groove 20 to limit the moving block 10, thereby enabling the moving rod 11 to be limited and the limiting rod 12 to be limited inside the clamping groove. Compared with the existing oil and gas recovery devices, the overall practicality of the oil and gas recovery device can be improved through the design of the present utility model.

[0032] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A membrane separation type oil and gas recovery device for condensing oil and gas, comprising a processing tank main body (1), characterized in that: Inside the main body (1) of the processing box, there are two groups of connecting plates (2). Inside the connecting plates (2), there are two groups of connecting frames (3). Inside the connecting frames (3), there is an oil-gas separation membrane (4). The oil-gas separation membrane (4) is connected to the connecting frame (3) through multiple groups of connecting components (5). Between the two groups of connecting frames (3) and inside the main body (1) of the processing box, there is a mounting plate (6). Inside both the mounting plate (6) and the main body (1) of the processing box, there is a negative pressure pump. On the outside of the main body (1) of the processing box, there is an air inlet pipe (7), and at one end of the main body (1) of the processing box away from the air inlet pipe (7), there is a conveying pipe (8). The connecting component (5) consists of a pressing block (9), a moving block (10), a moving rod (11), and a limiting rod (12). The pressing block (9) is slidably connected inside the connecting frame (3). The moving block (10) is located outside the pressing block (9). The moving rod (11) is fixedly connected to the end of the moving block (10) away from the pressing block (9). The limiting rod (12) is slidably connected inside the connecting frame (3) and is close to one end of the moving rod (11).

2. The membrane separation type oil and gas recovery device for condensing oil and gas according to claim 1, characterized in that: At both ends of the oil-gas separation membrane (4) and inside the connecting frame (3), there are connecting belts (13). At both ends of the oil-gas separation membrane (4) and inside the connecting frame (3), there are connecting blocks (14), and the oil-gas separation membrane (4) is connected to the connecting frame (3) through the connecting blocks (14).

3. The membrane separation type oil and gas recovery device for condensing oil and gas according to claim 1, characterized in that: The two groups of connecting frames (3) are connected through a flexible block (15), and at one end of the connecting frame (3) away from the flexible block (15), there is a winding roller (16). The main body (1) of the processing box is connected to the winding roller (16) through a connecting shell (17).

4. A membrane separation type oil and gas recovery device for condensing oil and gas according to claim 1, characterized in that: On the outside of the pressing block (9) and inside the connecting frame (3), there is a fixed shell (18). On the outside of the fixed shell (18), there are multiple guide grooves (19). On the outside of the guide grooves (19) and on the outside of the fixed shell (18), there is a limiting groove (20).

5. The membrane separation type oil and gas recovery device for condensing oil and gas according to claim 4, characterized in that: On the outside of the pressing block (9) and inside the guide groove (19), there is a guide block (21). On the outside of the moving block (10) and inside the guide groove (19), there is a limiting block (22), and the limiting block (22) is designed in an arc structure.

6. The membrane separation type oil and gas recovery device for condensing oil and gas according to claim 1, characterized in that: At the end of the moving block (10) away from the pressing block (9), there is a first compression spring (23). The two ends of the first compression spring (23) are respectively connected to the moving block (10) and the connecting frame (3). The oil-gas separation membrane (4) is connected to the limiting rod (12) through a clamping groove, and the limiting rod (12) is connected to the connecting frame (3) through a second compression spring.

7. The membrane separation type oil and gas recovery device for condensing oil and gas according to claim 1, characterized in that: The connecting frame (3) divides the inside of the main body (1) of the processing box into a positive pressure chamber (24) and a negative pressure chamber (25). On the outside of the main body (1) of the processing box and near the positive pressure chamber (24), there is an exhaust pipe (26).

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