Surfactant composition for oil displacement and production device thereof

Abstract

The invention relates to the technical field of oil displacement surfactant production equipment, in particular to an oil displacement surfactant composition and a production device thereof. The surfactant composition is prepared from the following raw materials: trisiloxane, polyoxyethylene sorbitan monooleate, methylacryloyl ethyl betaine, polymethylacrylic acid, a foaming agent, a foam stabilizer and deionized water; the production device comprises a driving production structure and a mixed material guiding structure, and the driving production structure is arranged at the upper end of the mixed material guiding structure. The driving production structure comprises a blowing component and a mixing treatment component, and the blowing component is connected to the upper limit of the mixing treatment component; the surfactant composition disclosed by the invention has the advantages of strong wet dispersibility, high oil displacement efficiency, no toxicity, no damage to stratum and good compatibility, can effectively reduce the oil recovery cost, and can be compounded with other chemical oil displacement agents to greatly improve the oil recovery rate; meanwhile, the reaction conditions are mild, the preparation process is simple and reasonable, and the method is suitable for large-scale production.

Description

Technical Field

[0001] The invention relates to the technical field of oil displacement surfactant production equipment, in particular to an oil displacement surfactant composition and a production device thereof. Background Art

[0002] The setting of the surfactant composition for oil recovery can carry out rapid oil recovery treatment and help in oil production and processing. Conventional oil recovery methods (primary and secondary methods) generally only recover 1 / 3 of the geological reserves of crude oil, and about 2 / 3 of the crude oil cannot be recovered. Therefore, in the context of increasingly tight energy, improving oil recovery has become a major topic in oil recovery research.

[0003] According to Chinese patent number CN103421480A, a surfactant composition for oil displacement and a preparation method thereof are mainly used to solve the problems that the existing surfactant has poor oil displacement efficiency in the tertiary oil recovery process, and at the same time, the oil displacement system contains inorganic alkali, which causes damage to the formation and oil wells, corrosion of equipment and pipelines, and difficulty in demulsification. The present invention adopts a surfactant composition, including a cationic surfactant and an anionic-nonionic surfactant, wherein the cationic surfactant is selected from any one of quaternary ammonium salts and quaternary ammonium bases, and the anionic-nonionic surfactant is a surfactant containing an ethoxy nonionic group and a carboxyl or sulfonic acid anionic group, and the molar ratio of the cationic surfactant to the anionic-nonionic surfactant is 1:0.01-1:100 and the technical solution of the preparation method thereof, which solves the problem well and can be used in the tertiary oil recovery process of oil fields, but the patent has the problem that it cannot realize the integrated production process of feeding, nitrogen blowing, and guiding, and needs to be improved.

[0004] However, there are still some shortcomings in the use of the existing production device of the surfactant composition for oil displacement. During use, it is impossible to realize the integrated production process of feeding, nitrogen blowing and guiding, which is not conducive to industrial production. Therefore, a production device for the surfactant composition for oil displacement is needed to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a production device for a surfactant composition for oil displacement to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A production device for a surfactant composition for oil displacement, comprising a driving production structure and a mixing and guiding material structure, wherein the driving production structure is provided at the upper end of the mixing and guiding material structure; The driving production structure is used for nitrogen blowing and can be driven at the same time to achieve the purpose of efficient mixing; The mixed material guiding structure is used to carry the mixed liquid and provide a production environment; The driving production structure comprises a blowing component and a mixing processing component, and the upper limit of the mixing processing component is connected to the blowing component; The blowing attachment component includes an air guide pipe, a first connecting pipe, a connecting plate, a second connecting pipe, a third connecting pipe, a fourth connecting pipe and a blowing attachment seat; The lower end of the air guide pipe is connected to a first connecting pipe, the lower end of the first connecting pipe is connected to a connecting plate, the lower end of the connecting plate is connected to a second connecting pipe, the lower end of the second connecting pipe is connected to a third connecting pipe, the lower end of the third connecting pipe is connected to a fourth connecting pipe, and the lower end of the fourth connecting pipe is connected to a blowing seat; The mixing processing component includes a motor, a feed pump, a bearing platform, a driving guide rod and a mixing mechanism; A motor is installed at the central upper end of the carrying platform, the motor penetrates the carrying platform and is driven by a driving guide rod, the upper limit of the driving guide rod is connected to a mixing mechanism, and a feed pump is provided at the side end of the carrying platform close to the motor, and the feed pump is arranged through the carrying platform; The mixing mechanism comprises a connecting frame, a limiting diagonal rod, a fastening ring and a nested mounting ring; The side end of the nested mounting ring is fixedly connected to a limiting oblique rod, the top of the limiting oblique rod is fixedly connected to a connecting frame, and the limiting oblique rod is fixedly connected to a fastening ring; The mixed material guiding structure comprises a bearing main seat and a reaction kettle component, wherein the bearing main seat performs bearing connection for the reaction kettle component; The reactor component comprises a tow rod seat, a reactor body and a containing ring, wherein the upper part of the reactor body is fixedly connected with the tow rod seat, and the lower part of the reactor body is fixedly connected with the containing ring; The reactor components also include an air guide port, a barrier sheet, a limit ring, a spring frame and a damping seat; An air guide port is provided at the position of the kettle body near the tow rod seat. The air guide port adopts a two-stage design, and the aperture near the limiting ring is 1.5 times the aperture of the rear part. The blocking piece is slidably connected to the air guide port, and the spring frame is fixedly connected to the front position of the air guide port. A damping seat is provided on the limiting ring, and the side end of the damping seat is elastically connected to the spring frame, and the side end of the spring frame is fixedly connected to the blocking piece.

[0007] Specifically, the air guide port, the blocking piece, the limiting ring, the spring frame, and the damping seat are symmetrically arranged with respect to the reaction kettle component.

[0008] Specifically, the main bearing seat supports the bottom of the kettle body, and the drag rod seat is fixedly connected to the lower part of the air guide port.

[0009] Specifically, the nested mounting ring is fixedly connected to the driving guide rod through the center position, and the motor drives the connecting frame, the limiting inclined rod, the fastening ring, and the nested mounting ring to rotate and connect through the driving guide rod.

[0010] Specifically, the feed pump is connected to the interior of the kettle body, and the air guide pipe, the first connecting pipe, the connecting plate, the second connecting pipe, the third connecting pipe, and the fourth connecting pipe are connected as a whole.

[0011] Specifically, a groove body is provided at the bottom of the blowing attachment seat, and the groove body is arranged in a ring-shaped distribution.

[0012] Specifically, the bearing platform is fixedly connected to the connecting plate, and the bearing platform is fixed at an upper position of the kettle body.

[0013] Specifically, a heater is installed at the upper end of the containing ring, and the heater heats the kettle body by heating the ring.

[0014] A production process of a surfactant composition for oil displacement comprises the following steps: a. The polyoxyethylene sorbitan monooleate is transported and stored in the kettle through a feed pump, and then purged with nitrogen air at 80 to 90°C for 30 to 40 minutes; b. Add trisiloxane and methacryloylethyl betaine into the kettle and stir to mix evenly. While stirring, the temperature of the kettle should be raised to 110-140° C., and then the first mixed solution is obtained at a stirring rate of 350-450 r / min; c. After the first mixed solution is cooled to room temperature, a foaming agent, a foam stabilizer and deionized water are added thereto for stirring and dissolving, and the temperature in the kettle is raised to 55-65° C. and the mixture is subjected to a constant temperature reaction for 40-60 minutes to obtain a second mixed solution; d. Adding polymethacrylic acid to the second mixed liquid, and mixing and stirring the mixture evenly under heating conditions, thereby obtaining the surfactant composition for oil displacement.

[0015] Specifically, the raw materials of the surfactant composition for oil displacement include, by weight: 40-60 parts of trisiloxane, 20-30 parts of polyoxyethylene sorbitan monooleate, 10-15 parts of methacryloyl ethyl betaine, 30-40 parts of polymethacrylic acid, 5-12 parts of foaming agent, 4-8 parts of foam stabilizer and 400-500 parts of deionized water, wherein the foaming agent is sodium succinate sulfonate and polyethylene glycol trimethyl nonyl ether mixed in a mass ratio of 2:1, and the foam stabilizer is any one of carboxyl cellulose, hydroxyethyl cellulose, dimethyl carbonate and soluble starch.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention drives the production structure to be set up, and the interior of the production structure is set up by a combination of a blowing component and a mixing processing component. The blowing component introduces nitrogen, and the nitrogen is transmitted to the interior of the mixed material guiding structure through the air guide pipe, the first connecting pipe, the connecting plate, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, and the blowing seat, so as to help deoxygenation treatment and better mix the raw materials. The feed pump inside the mixing processing component can drive the mixing mechanism to rotate by driving the guide rod, so as to realize the mixing treatment work inside the mixed material guiding structure and help mechanized production and processing.

[0017] 2. The present invention adopts the structural setting of the reactor component. The reactor body inside the reactor component can carry out reaction bearing work. At the same time, the gas guide port is used for gas guide to prevent excessive pressure inside the reactor component. The gas is conducted through the gas guide port. When a certain pressure is reached, the barrier plate is pushed to move. The barrier plate can be extended and retracted through the spring frame and the damping seat. The front end channel of the gas guide port is wider, so that the gas guide port is connected to help perform rapid gas guide work. At the same time, the combined setting of the driving production structure and the mixed material guide structure can realize the integrated production process of feeding, nitrogen blowing and guiding, which is beneficial to industrialized production work.

[0018] 3. The surfactant composition prepared by the present invention has strong wetting and dispersibility, high oil displacement efficiency, can effectively reduce the cost of oil production, is non-toxic, does not harm the formation, has good compatibility, and can be used in combination with other chemical oil displacement agents to greatly improve the oil recovery rate; at the same time, the reaction conditions of the present invention are mild, the preparation process is simple, the process is reasonable, and it is suitable for large-scale production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of the main body of the present invention; Figure 2 It is a right side perspective three-dimensional structural schematic diagram of the main body of the present invention; Figure 3 It is a structural schematic diagram of the drive production structure of the present invention; Figure 4 It is a structural schematic diagram of the blowing attachment component of the present invention; Figure 5 It is a structural schematic diagram of the mixing processing component of the present invention; Figure 6 It is a structural schematic diagram of the mixing mechanism of the present invention; Figure 7 It is a structural schematic diagram of the mixed material guiding structure of the present invention; Figure 8 It is a structural schematic diagram of the reaction kettle components of the present invention; Fig. 9 It is a cutaway view of the reactor components of the present invention; Fig.10 It is a schematic structural diagram of the second embodiment of the main body of the present invention.

[0021] In the figure: 1-driving production structure, 2-mixing material guiding structure, 3-blowing attachment component, 4-mixing treatment component, 5-air guide pipe, 6-first connecting pipe, 7-connecting plate, 8-second connecting pipe, 9-third connecting pipe, 10-fourth connecting pipe, 11-blowing attachment seat, 12-motor, 13-feeding pump, 14-carrying platform, 15-driving guide rod, 16-mixing mechanism, 17-connecting frame, 18-limiting inclined rod, 19-fastening ring, 20-nested mounting ring, 21-bearing main seat, 22-reaction kettle component, 23-drag rod seat, 24-kettle body, 25-holding ring, 26-air guide port, 27-blocking plate, 28-limiting ring, 29-spring frame, 30-damping seat, 31-heating treatment ring, 32-heater. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] The present invention is further described below in conjunction with the accompanying drawings.

[0025] Example 1 A production process of a surfactant composition for oil displacement comprises the following steps: a. Polyoxyethylene sorbitan monooleate is transported and stored in the kettle through a feed pump, and then purged with nitrogen air at 80°C for 30 minutes; b. Add trisiloxane and methacryloylethyl betaine into the kettle and stir to mix evenly. While stirring, the temperature of the kettle should be raised to 110° C., and then the first mixed solution is obtained at a stirring rate of 350 r / min; c. After the first mixed solution is cooled to room temperature, a foaming agent, a foam stabilizer and deionized water are added thereto for stirring and dissolving, and the temperature in the kettle is raised to 55° C. and the mixture is subjected to a constant temperature reaction for 40 minutes to obtain a second mixed solution; d. Adding polymethacrylic acid to the second mixed liquid, and mixing and stirring the mixture evenly under heating conditions, thereby obtaining the surfactant composition for oil displacement.

[0026] Specifically, the raw materials of the surfactant composition for oil displacement include, by weight: 40 parts of trisiloxane, 20 parts of polyoxyethylene sorbitan monooleate, 10 parts of methacryloyl ethyl betaine, 30 parts of polymethacrylic acid, 5 parts of foaming agent, 4 parts of foam stabilizer and 400 parts of deionized water, wherein the foaming agent is sodium succinate sulfonate and polyethylene glycol trimethyl nonyl ether mixed in a mass ratio of 2:1, and the foam stabilizer is carboxyl cellulose.

[0027] Example 2 A production process of a surfactant composition for oil displacement comprises the following steps: a. Polyoxyethylene sorbitan monooleate is transported and stored in the kettle through a feed pump, and then purged with nitrogen air at 85°C for 35 minutes; b. Add trisiloxane and methacryloylethyl betaine into the kettle and stir to mix evenly. While stirring, the temperature of the kettle should be raised to 125° C., and then the first mixed solution is obtained at a stirring rate of 370 r / min; c. After the first mixed solution is cooled to room temperature, a foaming agent, a foam stabilizer and deionized water are added thereto for stirring and dissolving, and the temperature in the kettle is raised to 58° C. and the mixture is subjected to a constant temperature reaction for 50 minutes to obtain a second mixed solution; d. Adding polymethacrylic acid to the second mixed liquid, and mixing and stirring the mixture evenly under heating conditions, thereby obtaining the surfactant composition for oil displacement.

[0028] Specifically, the raw materials of the surfactant composition for oil displacement include, by weight: 50 parts of trisiloxane, 22 parts of polyoxyethylene sorbitan monooleate, 13 parts of methacryloyl ethyl betaine, 36 parts of polymethacrylic acid, 9 parts of foaming agent, 7 parts of foam stabilizer and 460 parts of deionized water, wherein the foaming agent is sodium succinate sulfonate and polyethylene glycol trimethyl nonyl ether mixed in a mass ratio of 2:1, and the foam stabilizer is dimethyl carbonate.

[0029] Example 3 A production process of a surfactant composition for oil displacement comprises the following steps: a. The polyoxyethylene sorbitan monooleate is transported and stored in the kettle through a feed pump, and then purged with nitrogen air at 90°C for 40 minutes; b. Add trisiloxane and methacryloylethyl betaine into the kettle and stir to mix evenly. While stirring, the temperature of the kettle should be raised to 140° C., and then the first mixed solution is obtained at a stirring rate of 450 r / min; c. After the first mixed solution is cooled to room temperature, a foaming agent, a foam stabilizer and deionized water are added thereto for stirring and dissolving, and the temperature in the kettle is raised to 65° C. and the mixture is subjected to a constant temperature reaction for 60 minutes to obtain a second mixed solution; d. Adding polymethacrylic acid to the second mixed liquid, and mixing and stirring the mixture evenly under heating conditions, thereby obtaining the surfactant composition for oil displacement.

[0030] Specifically, the raw materials of the surfactant composition for oil displacement include, by weight: 60 parts of trisiloxane, 30 parts of polyoxyethylene sorbitan monooleate, 15 parts of methacryloyl ethyl betaine, 38 parts of polymethacrylic acid, 10 parts of foaming agent, 7 parts of foam stabilizer and 500 parts of deionized water, wherein the foaming agent is sodium succinate sulfonate and polyethylene glycol trimethyl nonyl ether mixed in a mass ratio of 2:1, and the foam stabilizer is soluble starch.

[0031] Based on Examples 1 to 3, it can be concluded that the surfactant composition prepared by the present invention has strong wetting and dispersibility, high oil displacement efficiency, can effectively reduce the cost of oil production, is non-toxic, does not harm the formation, has good compatibility, and can be used in combination with other chemical oil displacement agents to greatly improve the oil recovery rate; at the same time, the reaction conditions of the present invention are mild, the preparation process is simple, the process is reasonable, and it is suitable for large-scale production.

[0032] Example 4 See also Figure 1 , Figure 2 , an embodiment provided by the present invention: a production device for a surfactant composition for oil displacement, comprising a driving production structure 1 and a mixing and guiding material structure 2, wherein the driving production structure 1 is provided at the upper end of the mixing and guiding material structure 2; The driving production structure 1 is used for nitrogen blowing and can be driven at the same time to achieve the purpose of efficient mixing; The mixed material guiding structure 2 is used to carry the mixed liquid and provide a production environment; See also Figure 3 The driving production structure 1 includes a blowing component 3 and a mixing processing component 4, and the mixing processing component 4 is connected to the blowing component 3 at the upper limit position; See also Figure 4 The blowing component 3 includes an air guide pipe 5, a first connecting pipe 6, a connecting plate 7, a second connecting pipe 8, a third connecting pipe 9, a fourth connecting pipe 1 and a blowing seat 11. The air guide pipe 5, the first connecting pipe 6, the connecting plate 7, the second connecting pipe 8, the third connecting pipe 9, the fourth connecting pipe 1 and the blowing seat 11 are connected as a whole, and can perform nitrogen blowing; The lower end of the air guide pipe 5 is connected to the first connecting pipe 6, the lower end of the first connecting pipe 6 is connected to the connecting plate 7, the lower end of the connecting plate 7 is connected to the second connecting pipe 8, the lower end of the second connecting pipe 8 is connected to the third connecting pipe 9, the lower end of the third connecting pipe 9 is connected to the fourth connecting pipe 1, and the lower end of the fourth connecting pipe 1 is connected to the blowing seat 11; See also Figure 5 The mixing processing component 4 includes a motor 12, a feed pump 13, a carrier 14, a driving guide rod 15 and a mixing mechanism 16. The motor 12, the feed pump 13, the carrier 14, the driving guide rod 15 and the mixing mechanism 16 constitute the mixing processing component 4 by combination. The motor 12 drives the driving guide rod 15 and the mixing mechanism 16 to rotate, so as to achieve the purpose of efficient mixing of the solution; A motor 12 is installed at the central upper end of the carrier platform 14, and the motor 12 penetrates the carrier platform 14 and is driven by a driving guide rod 15, and the upper limit of the driving guide rod 15 is connected to a mixing mechanism 16. A feed pump 13 is provided at the side end of the carrier platform 14 close to the motor 12, and the feed pump 13 is arranged through the carrier platform 14; See also Figure 6 The mixing mechanism 16 includes a connecting frame 17, a limiting inclined rod 18, a fastening ring 19 and a nested mounting ring 20. The combination of the connecting frame 17, the limiting inclined rod 18, the fastening ring 19 and the nested mounting ring 20 can be assembled and installed in combination to cooperate with the driving guide rod 15 to move as a whole; The side end of the nested mounting ring 20 is fixedly connected to a limiting inclined rod 18, the top of the limiting inclined rod 18 is fixedly connected to a connecting frame 17, and the limiting inclined rod 18 is fixedly connected to a fastening ring 19; See also Figure 7 The mixed material guiding structure 2 includes a bearing main seat 21 and a reaction kettle component 22, and the bearing main seat 21 is connected to the reaction kettle component 22; See also Figure 8The reaction kettle component 22 includes a tow rod seat 23, a kettle body 24 and a containing ring 25. The upper part of the kettle body 24 is fixedly connected with the tow rod seat 23, and the lower part of the kettle body 24 is fixedly connected with the containing ring 25. The tow rod seat 23, the kettle body 24 and the containing ring 25 are fixed as a whole, which is convenient for the installation and erection of the kettle body 24. See also Fig. 9 The reactor component 22 further includes an air guide port 26, a barrier sheet 27, a limit ring 28, a spring frame 29 and a damping seat 30. The air guide port 26, the barrier sheet 27, the limit ring 28, the spring frame 29 and the damping seat 30 are combined to perform air guide work to prevent excessive air pressure inside the reactor component 22; An air guide port 26 is provided on the kettle body 24 near the drag rod seat 23. The air guide port 26 adopts a two-stage design, and the aperture near the limiting ring 28 is 1.5 times the aperture of the rear portion. The blocking piece 27 is slidably connected to the air guide port 26, and the spring frame 29 is fixedly connected to the front portion of the air guide port 26. A damping seat 30 is provided on the limiting ring 28, and the side end of the damping seat 30 is elastically connected to the spring frame 29, and the side end of the spring frame 29 is fixedly connected to the blocking piece 27.

[0033] The air guide port 26, the barrier sheet 27, the limit ring 28, the spring frame 29, and the damping seat 30 are symmetrically arranged about the reaction kettle component 22. The bearing main seat 21 carries the bottom of the kettle body 24. The drag rod seat 23 is fixedly connected to the lower part of the air guide port 26. The nested mounting ring 20 is fixedly connected to the driving guide rod 15 through the center position. The motor 12 drives the connecting frame 17, the limit inclined rod 18, the fastening ring 19, and the nested mounting ring 20 to rotate through the driving guide rod 15. The feed pump 13 is connected to the interior of the kettle body 24. The air guide pipe 5, the first connecting pipe 6, the connecting plate 7, the second connecting pipe 8, the third connecting pipe 9, and the fourth connecting pipe 1 are connected as a whole. A groove body is provided at the bottom of the blowing seat 11, and the groove body is arranged in an annular distribution. The bearing platform 14 is fixedly connected to the connecting plate 7, and the bearing platform 14 is fixed to the upper position of the kettle body 24. Through the setting of the structure, it is convenient to carry out the overall combination and realize the integrated production and processing work.

[0034] When implementing this embodiment, the user will drive the production structure 1 and the mixed material guiding structure 2 to be assembled and installed as a whole. The user injects raw materials through the feed pump 13, so that the raw materials are stored in the kettle body 24. At this time, the user introduces nitrogen through the blowing component 3, and the nitrogen is transmitted to the position of the first connecting pipe 6 through the air guide pipe 5, and then transmitted to the second connecting pipe 8 through the connecting plate 7, and then transmitted to the position of the third connecting pipe 9 through the second connecting pipe 8, and then continued to be transmitted through the fourth connecting pipe 1 and the blowing seat 11, so that the nitrogen is blown inside the mixed material guiding structure 2. Due to the continuous input of nitrogen, the pressure inside the kettle body 24 is relatively large at this time, which will push the barrier sheet 27 to move on the air guide port 26. The air guide port 26 can be telescopically controlled by the spring frame 29 and the damping seat 30, the limit ring 28 keeps the position constant, the groove of the air guide port 26 at the limit ring 28 position is larger, and when the air guide port 26 moves to the limit ring 28 position, the air guide port 26 is connected as a whole, and can perform air guiding work to reduce the internal oxygen content. At the same time, when the pressure is restored, the barrier sheet 27 can be reset, and then the user starts the motor 12, and the motor 12 drives the driving guide rod 15 and the mixing mechanism 16 to rotate, and the connecting frame 17, the limit inclined rod 18, the fastening ring 19, and the nested mounting ring 20 inside the mixing mechanism 16 rotate as a whole, so as to achieve the purpose of efficient mixing and improve the efficiency of mixed production.

[0035] Example 5 On the basis of Example 4, Fig.10 As shown, a heater 32 is installed at the upper end of the containing ring 25 , and the heater 32 heats the kettle body 24 by heating the treatment ring 31 .

[0036] When this embodiment is implemented, by installing the heating treatment ring 31 and the heater 32, the heating treatment ring 31 and the heater 32 are combined as a whole, which can continuously heat the kettle body 24, so that the reaction temperature inside the kettle body 24 is maintained at a constant, and the solution inside the kettle body 24 is better mixed for production, thereby improving the overall production reaction efficiency.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production device for an oil displacement surfactant composition, characterized in that: It comprises a driving production structure (1) and a mixing material guiding structure (2), wherein the driving production structure (1) is provided at the upper end of the mixing material guiding structure (2); The driving production structure (1) is used for nitrogen blowing and can be driven at the same time to achieve the purpose of efficient mixing; The mixed material guiding structure (2) is used to carry the mixed liquid and provide a production environment; The driving production structure (1) comprises a blowing component (3) and a mixing processing component (4), and the mixing processing component (4) is upper-position-connected to the blowing component (3).

2. The production device of a surfactant composition for oil displacement according to claim 1, characterized in that: The blowing attachment component (3) comprises an air guide pipe (5), a first connecting pipe (6), a connecting plate (7), a second connecting pipe (8), a third connecting pipe (9), a fourth connecting pipe (1) and a blowing attachment seat (11); The lower end of the air guide pipe (5) is connected to a first connecting pipe (6), the lower end of the first connecting pipe (6) is connected to a connecting plate (7), the lower end of the connecting plate (7) is connected to a second connecting pipe (8), the lower end of the second connecting pipe (8) is connected to a third connecting pipe (9), the lower end of the third connecting pipe (9) is connected to a fourth connecting pipe (1), and the lower end of the fourth connecting pipe (1) is connected to a blowing seat (11); The mixing processing component (4) comprises a motor (12), a feed pump (13), a support platform (14), a driving guide rod (15) and a mixing mechanism (16); A motor (12) is installed at the central upper end of the carrier platform (14); the motor (12) penetrates the carrier platform (14) and is driven by a driving guide rod (15); the driving guide rod (15) is connected to a mixing mechanism (16) at its upper limit position; a feed pump (13) is provided at the side end of the carrier platform (14) close to the motor (12); the feed pump (13) is arranged in communication with the carrier platform (14); The mixing mechanism (16) comprises a connecting frame (17), a limiting inclined rod (18), a fastening ring (19) and a nested mounting ring (20); The side end of the nested mounting ring (20) is fixedly connected to a limiting inclined rod (18), the top of the limiting inclined rod (18) is fixedly connected to a connecting frame (17), and the limiting inclined rod (18) is fixedly connected to a fastening ring (19).

3. The production device of a surfactant composition for oil displacement according to claim 1, characterized in that: The mixed material guiding structure (2) comprises a main bearing seat (21) and a reaction kettle component (22), wherein the main bearing seat (21) is connected to the reaction kettle component (22); The reaction kettle component (22) comprises a towing rod seat (23), a kettle body (24) and a containing ring (25); the upper portion of the kettle body (24) is fixedly connected to the towing rod seat (23), and the lower portion of the kettle body (24) is fixedly connected to the containing ring (25); The reactor component (22) further comprises an air guide port (26), a barrier sheet (27), a limit ring (28), a spring frame (29) and a damping seat (30); The kettle body (24) is provided with an air guide port (26) near the drag rod seat (23). The air guide port (26) is designed in two stages, and the aperture near the limiting ring (28) is 1.5 times the aperture of the rear portion. The blocking piece (27) is slidably connected to the air guide port (26), the spring frame (29) is fixedly connected to the front portion of the air guide port (26), the limiting ring (28) is provided with a damping seat (30), the side end of the damping seat (30) is elastically connected to the spring frame (29), and the side end of the spring frame (29) is fixedly connected to the blocking piece (27); the air guide port (26), the blocking piece (27), the limiting ring (28), the spring frame (29), and the damping seat (30) are symmetrically arranged with respect to the reactor component (22).

4. The production device of a surfactant composition for oil displacement according to claim 2, characterized in that: The main bearing seat (21) supports the bottom of the kettle body (24), and the towing rod seat (23) is fixedly connected to the lower part of the air guide port (26); The nested mounting ring (20) is fixedly connected to the driving guide rod (15) via a central position, and the motor (12) drives the connecting frame (17), the limiting inclined rod (18), the fastening ring (19), and the nested mounting ring (20) to rotate and connect via the driving guide rod (15).

5. The production device of a surfactant composition for oil displacement according to claim 4, characterized in that: The feed pump (13) is connected to the interior of the kettle body (24), and the air guide pipe (5), the first connecting pipe (6), the connecting plate (7), the second connecting pipe (8), the third connecting pipe (9), and the fourth connecting pipe (1) are connected as a whole.

6. The production device of a surfactant composition for oil displacement according to claim 5, characterized in that: A groove body is provided at the bottom of the blowing attachment seat (11), and the groove body is arranged in a ring-shaped distribution.

7. The production device of a surfactant composition for oil displacement according to claim 6, characterized in that: The bearing platform (14) is fixedly connected to the connecting plate (7), and the bearing platform (14) is fixed at an upper position of the kettle body (24).

8. The production device of a surfactant composition for oil displacement according to claim 7, characterized in that: A heater (32) is installed at the upper end of the containing ring (25), and the heater (32) heats the kettle body (24) via the heating treatment ring (31).

9. A process for producing a surfactant composition for oil displacement, using a production device for a surfactant composition for oil displacement according to any one of claims 1 to 8, characterized in that: The following steps are involved: a. The polyoxyethylene sorbitan monooleate is transported and stored in the kettle (24) by a feed pump (13), and then purged with nitrogen air at 80 to 90° C. for 30 to 40 minutes; b. Add trisiloxane and methacryloylethyl betaine into the kettle (24) and stir to mix evenly. While stirring, the temperature of the kettle (24) should be raised to 110-140° C., and then a first mixed solution is obtained at a stirring rate of 350-450 r / min; c. After the first mixed solution is cooled to room temperature, a foaming agent, a foam stabilizer and deionized water are added thereto for dissolution by stirring, and the temperature in the kettle (24) is raised to 55 to 65° C. and the mixture is subjected to a constant temperature reaction for 40 to 60 minutes to obtain a second mixed solution; d. Adding polymethacrylic acid to the second mixed liquid, and mixing and stirring the mixture evenly under heating conditions, thereby obtaining the surfactant composition for oil displacement.

10. The production process of a surfactant composition for oil displacement according to claim 9, characterized in that: The raw materials of the surfactant composition for oil displacement include, by weight: 40-60 parts of trisiloxane, 20-30 parts of polyoxyethylene sorbitan monooleate, 10-15 parts of methacryloyl ethyl betaine, 30-40 parts of polymethacrylic acid, 5-12 parts of foaming agent, 4-8 parts of foam stabilizer and 400-500 parts of deionized water, wherein the foaming agent is a mixture of sodium succinate sulfonate and polyethylene glycol trimethyl nonyl ether in a mass ratio of 2:1, and the foam stabilizer is any one of carboxyl cellulose, hydroxyethyl cellulose, dimethyl carbonate and soluble starch.

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