A device for preparing gas-medicine-water mixed nanobubbles for water injection

Abstract

The present invention relates to the technical field of oilfield micro-nano preparation, and specifically discloses a gas-drug-water mixed nanobubble preparation device for water injection, comprising: a bracket provided at the center of a housing; a nitrogen preparation mechanism provided at one end of the housing; a high-pressure water injection mechanism including a water injector, a high-pressure pump, and two filter modules; a drug mechanism including a drug storage tank, a power pump, and a one-way solenoid valve; a microchannel mixer connected sequentially to the high-pressure water injection mechanism and the drug mechanism; a nano-mixing mechanism in which a drug-drug mixture and nitrogen are formed into a nano-mixing liquid in a micro-nano generator and stored in a nano-mixing tank; and a control terminal connected to the nitrogen preparation mechanism, the high-pressure water injection mechanism, the drug mechanism, and the nano-mixing mechanism. The present invention overcomes the shortcomings of prior art nanobubble preparation devices, such as insufficient efficiency and simplicity, low maintenance efficiency, inability to effectively locate fault locations, and insufficient safety.

Description

Technical Field

[0001] The invention relates to the field of oil field micro-nano preparation, in particular to a gas-medicine-water mixed nano bubble preparation device for water injection. Background Art

[0002] In the middle and late stages of oilfield development, water injection is the core technology for maintaining formation pressure and enhancing oil recovery (EOR).

[0003] In the existing technology, micro-nano preparation devices are usually prepared using micro-nano generators. However, these micro-nano preparation devices are difficult to apply to the preparation of high-pressure water supply systems, and it is difficult to prepare high-concentration nanobubbles. In addition, their preparation efficiency is insufficient and the preparation is incomplete. At the same time, the safety of their preparation systems needs to be improved. When the preparation system fails, there is also a lack of a quick positioning method for maintenance. Summary of the Invention

[0004] (1) Technical issues to be resolved

[0005] The problem to be solved by the present invention is to provide a gas-medicine-water mixed nanobubble preparation device for water injection, so as to overcome the defects of the nanobubble preparation device in the prior art, such as the lack of efficiency and simplicity, the wide and adjustable water flow range of the modular nanogenerator, the low maintenance efficiency, the inability to effectively locate the fault position, and the lack of safety.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the first aspect of the present invention provides a device for preparing gas-medicine-water mixed nanobubbles for water injection, comprising:

[0008] A housing, wherein a bracket is provided at the center of the housing;

[0009] A nitrogen preparation mechanism, the nitrogen preparation mechanism being disposed at one end of the housing and being used to prepare nitrogen;

[0010] A high-pressure water injection mechanism, comprising a water injector, a high-pressure pump, and two filter modules. The water injector is disposed at the other end of the housing and is used to provide power for the flow of water. The water injector is connected to the high-pressure pump, which is connected in parallel to the two filter modules. The two filter modules are detachably connected to the bracket.

[0011] A medicine liquid mechanism, comprising a medicine storage tank, a power pump, and a one-way solenoid valve, wherein the medicine storage tank is connected to the housing, and the power pump and the one-way solenoid valve are sequentially connected to the medicine storage tank;

[0012] a microchannel mixer, the microchannel mixer being sequentially connected to the high-pressure water injection mechanism and the medicine solution mechanism, wherein the medicine solution and the water flow are mixed in the microchannel mixer to form a medicine solution mixture, the microchannel mixer being connected to a high-pressure distributor, and the high-pressure distributor being used to distribute the medicine solution mixture;

[0013] a plurality of nano-mixing mechanisms, each comprising a micro-nano generator and a nano-mixing tank, wherein the micro-nano generator is connected to the nano-mixing tank, the high-pressure distributor is connected to each of the micro-nano generators via a first pipe, the micro-nano generator is connected to the nitrogen preparation mechanism, and the medicine mixture and nitrogen are formed into a nano-mixed liquid in the micro-nano generator and stored in the nano-mixing tank;

[0014] a control terminal connected to the nitrogen preparation mechanism, the high-pressure water injection mechanism, the liquid medicine mechanism, and the nano-mixing mechanism;

[0015] The nano-mixing tank outputs the nano-mixed liquid through a third pipe, and a third pressure sensor is provided on the third pipe. The first pressure sensor, the second pressure sensor and the third pressure sensor are connected to the control terminal;

[0016] When the control terminal detects that data from the first pressure sensor, the second pressure sensor, and the third pressure sensor are abnormal, an alarm is issued.

[0017] As described above, the gas-medication-water mixed nanobubble preparation device for water injection, optionally, the nitrogen preparation mechanism has an air compressor, a cold dryer and a gas distributor, the air compressor and the cold dryer are connected in sequence to prepare nitrogen, and the prepared nitrogen is transported into the gas distributor, and the gas distributor is connected to the plurality of micro-nano generators through second pipes respectively.

[0018] As described above, for the gas-medicine-water mixed nanobubble preparation device for water injection, optionally, a first pressure sensor is provided between the medicine storage tank and the power pump, and a second pressure sensor is provided between the high-pressure pump and the filter module.

[0019] As described above, in the gas-medication-water mixed nanobubble preparation device for water injection, optionally, the high-pressure pump is connected to the third pipeline through a fourth pipeline. When a data abnormality occurs in the control terminal, the high-pressure pump stops, the fourth pipeline is opened, and the water in the water injection pipeline flows into the third pipeline through the fourth pipeline, and the third pipeline outputs the water to the outside.

[0020] As described above, for the gas-medicine-water mixed nanobubble preparation device for water injection, optionally, the bracket has a plurality of connection holes, and the bracket is detachably connected to the shell through the connection holes.

[0021] As described above, for the gas-medicine-water mixed nanobubble preparation device for water injection, optionally, each of the first pipes is provided with an on-off valve, which is used to open / close the input of the medicine-water mixture to each of the nano-mixing mechanisms.

[0022] As described above, the gas-medicine-water mixed nanobubble preparation device for water injection, optionally, the filtration module includes a first filter and a second filter, the first filter is used for primary filtration, and the second filter is used for secondary deep filtration.

[0023] (3) Beneficial effects

[0024] The present invention provides a device for preparing gas-medicine-water mixed nanobubbles for water injection, which has the following beneficial effects:

[0025] (1) The present invention mixes the liquid medicine and water flow through a microchannel mixer to form a liquid medicine mixture, and then mixes it with nitrogen in a nano-mixing mechanism to form a nano-mixed liquid. The first pipe is connected to the micro-nano generator and the high-pressure distributor, and the second pipe is connected to the micro-nano generator and the gas distributor. The high-pressure distributor and the gas distributor are both provided with an on-off valve, and different gas paths can be controlled by the on-off valve. This design achieves the preparation of micro-nano through an efficient and simple design.

[0026] (2) The present invention is provided with a control terminal connected to the first pressure sensor, the second pressure sensor, and the third pressure sensor. When a data anomaly occurs, the fault location can be quickly located, and the fourth pipe can be opened to allow water to flow out of the fourth pipe, thereby avoiding any impact on other components of the present invention. This design can quickly locate the fault location, speed up maintenance efficiency, and ensure the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0028] Figure 1 This is a front view of a device for preparing gas-medicine-water mixed nanobubbles for water injection according to the present invention;

[0029] Figure 2A top view of a device for preparing gas-medicine-water mixed nanobubbles for water injection according to the present invention;

[0030] Figure 3 A three-dimensional diagram of a device for preparing gas-medicine-water mixed nanobubbles for water injection according to the present invention;

[0031] Figure 4 for Figure 3 A partial schematic diagram of the middle part;

[0032] Figure 5 This is a partial schematic diagram of a device for preparing gas-medicine-water mixed nanobubbles for water injection according to the present invention;

[0033] Figure 6 for Figure 5 Partial schematic diagram of B in the middle;

[0034] Figure 7 for Figure 5 Partial schematic diagram of C in the figure.

[0035] The names of the components corresponding to the reference numerals in the figures are: 1. Housing; 11. Bracket; 2. Nitrogen preparation mechanism; 21. Air compressor; 22. Cold dryer; 23. Gas distributor; 24. Second pipeline; 3. High-pressure water injection mechanism; 31. Water injector; 32. High-pressure pump; 33. Filter module; 34. First filter;

[0036] 35. Second filter; 4. Liquid medicine mechanism; 41. Medicine storage tank; 42. Power pump; 43. One-way solenoid valve; 5. Microchannel mixer; 51. High-pressure distributor; 6. Nano-mixing mechanism; 61. Micro-nano generator;

[0037] 62. Nano-mixing tank; 63. First pipeline; 64. Third pipeline; 65. On-off valve. DETAILED DESCRIPTION

[0038] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0040] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will appreciate that one aspect described herein can be implemented independently of any other aspect, and that two or more of these aspects can be combined in various ways. For example, the aspects described herein can be used to implement the embodiments of the present invention.

[0041] In addition, other structure and / or functionality other than one or more of the aspects described herein may be used to implement the apparatus and / or practice the method.

[0042] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0043] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples, however, one skilled in the art will understand that the examples can be practiced without these specific details.

[0044] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0045] See Figures 1 to 7The present invention provides a gas-medicine-water mixed nanobubble production device for water injection, comprising: a housing 1, a nitrogen production mechanism 2, a high-pressure water injection mechanism 3, a medicine mechanism 4, a microchannel mixer 5, a nano-mixing mechanism 6, and a control terminal. The nitrogen production mechanism 2 is used to produce nitrogen, the high-pressure water injection mechanism 3 is used to provide high-pressure water, and the medicine mechanism 4 is used to provide a medicine solution. The medicine solution and water flow are mixed in the microchannel mixer 5 and input into the nano-mixing mechanism 6, where a medicine-water mixture is formed. The nano-mixing mechanism 6 receives the medicine-water mixture and the nitrogen production mechanism 2 to form a nano-mixed solution. The control terminal controls the overall process of the present invention. The nano-mixing mechanism 6 can release the nano-mixed water for use.

[0046] exist Figures 1 to 7 In an optional embodiment, a bracket 11 is provided at the center of the housing 1. The bracket 11 has a plurality of connection holes, through which the bracket 11 is detachably connected to the housing 1, thereby improving the convenience of modular assembly and disassembly of the present invention.

[0047] Furthermore, a nitrogen preparation mechanism 2 is provided at one end of the shell 1 and is used to prepare nitrogen.

[0048] Specifically, the nitrogen preparation mechanism 2 includes an air compressor 21, a cold dryer 22, and a gas distributor 23. The air compressor 21 and the cold dryer 22 are connected in sequence to prepare nitrogen. The prepared nitrogen is transported to the gas distributor 23. The gas distributor 23 is connected to the plurality of micro-nano generators 61 through the second pipe 24. The air compressor 21 and the cold dryer 22 are used to prepare nitrogen. The prepared nitrogen is transported to the gas distributor 23. The gas distributor 23 has multiple gas paths, which are connected in parallel.

[0049] connect.

[0050] exist Figures 1 to 7 In an optional embodiment, the high-pressure water injection mechanism 3 includes a water injector 31, a high-pressure pump 32 and two filter modules 33. The water injector 31 is arranged at the other end of the shell 1. The water injector 31 is used to provide power for the flow of water. The water injector 31 is connected to the high-pressure pump 32. The high-pressure pump 32 is connected in parallel with the two filter modules 33. The two filter modules 33 are detachably connected to the bracket 11.

[0051] Furthermore, the water injector 31 is used to connect to the external water source and provide water flow to the present invention, and the high-pressure pump 32 can pressurize the water flow to better support the subsequent modules. The filter module 33 is used to deeply filter the water flow, which can ensure the purity of the water flow.

[0052] Furthermore, the filter module 33 includes a first filter 34 and a second filter 35 . The first filter 34 is used for primary filtration, and the second filter 35 is used for secondary deep filtration.

[0053] exist Figures 1 to 7 In an optional embodiment, the medicine mechanism 4 includes a medicine storage tank 41, a power pump 42 and a one-way solenoid valve 43. The medicine storage tank 41 is connected to the housing 1, and the power pump 42 and the one-way solenoid valve 43 are connected to the medicine storage tank 41 in sequence.

[0054] The microchannel mixer 5 is connected to the high-pressure water injection mechanism 3 and the medicine mechanism 4 in sequence. The medicine liquid and the water flow are mixed in the microchannel mixer 5 to form a medicine mixture. The microchannel mixer 5 is connected to the high-pressure distributor 51, which is used to distribute the medicine mixture.

[0055] Furthermore, a first pressure sensor is provided between the medicine storage tank 41 and the power pump 42, and a second pressure sensor is provided between the high-pressure pump 32 and the filter module 33. The first and second pressure sensors are used to detect the pressures at the high-pressure water injection mechanism 3 and the medicine solution mechanism 4.

[0056] exist Figures 1 to 7 In an optional embodiment, the nano-mixing mechanism 6 includes a micro-nano generator 61 and a nano-mixing tank 62. The micro-nano generator 61 is connected to the nano-mixing tank 62. The high-pressure distributor 51 is connected to multiple micro-nano generators 61 through first pipes 63. The micro-nano generator 61 is connected to the nitrogen preparation mechanism 2. The medicine mixture and nitrogen form a nano-mixed liquid in the micro-nano generator 61 and are stored in the nano-mixing tank 62.

[0057] Furthermore, the nano-mixing tank 62 outputs the nano-mixed liquid to the outside through the third pipe 64. The third pipe 64 is provided with a third pressure sensor. The first pressure sensor, the second pressure sensor and the third pressure sensor are connected to the control terminal.

[0058] exist Figures 1 to 7 In an optional embodiment, the control terminal is connected to the nitrogen preparation mechanism 2 and the high-pressure water injection mechanism

[0059] 3. The potion mechanism 4 and the nano-mixing mechanism 6 are connected.

[0060] Furthermore, when the control terminal detects data anomalies from the first pressure sensor, the second pressure sensor, and the third pressure sensor, an alarm is issued. The control terminal can display the use of the present invention and issue an early warning of anomalies, thereby ensuring safety.

[0061] Furthermore, the high-pressure pump 32 is connected to the third pipe 64 through the fourth pipe. When a data abnormality occurs in the control terminal, the high-pressure pump 32 stops, the first pipe 63 is opened, and the water in the water injection pipe flows into the third pipe 64 through the fourth pipe, and the third pipe 64 outputs the water to the outside.

[0062] Furthermore, each first pipe 63 is provided with an on-off valve 65 , and the on-off valve 65 is used to open / close the input of the medicine mixture to each nano-mixing mechanism 6 .

[0063] It should be noted that the on-off valve 65 can control the input of the medicine mixture into each nano-mixing mechanism 6 .

[0064] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0065] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A device for preparing gas-water mixed nanobubbles for water injection, characterized in that: include: A housing (1), wherein a bracket (11) is provided at a central position of the housing (1); A nitrogen preparation mechanism (2), the nitrogen preparation mechanism (2) being arranged at one end of the housing (1), and the nitrogen preparation mechanism (2) being used to prepare nitrogen; A high-pressure water injection mechanism (3), the high-pressure water injection mechanism (3) comprising a water injector (31), a high-pressure pump (32) and two filter modules (33), the water injector (31) being arranged at the other end of the housing (1), the water injector (31) being used to provide power for the flow of water, the water injector (31) being connected to the high-pressure pump (32), the high-pressure pump (32) being connected in parallel to the two filter modules (33), and the two filter modules (33) being detachably connected to the bracket (11); A medicine liquid mechanism (4), the medicine liquid mechanism (4) comprising a medicine storage tank (41), a power pump (42) and a one-way solenoid valve (43), the medicine storage tank (41) being connected to the housing (1), the power pump (42) and the one-way solenoid valve (43) being connected to the medicine storage tank (41) in sequence; A microchannel mixer (5), the microchannel mixer (5) is connected to the high-pressure water injection mechanism (3) and the medicine mechanism (4) in sequence, the medicine liquid and the water flow are mixed in the microchannel mixer (5) to form a medicine mixture, the microchannel mixer (5) is connected to a high-pressure distributor (51), and the high-pressure distributor (51) is used to distribute the medicine mixture; A plurality of nano-mixing mechanisms (6), wherein the nano-mixing mechanisms (6) include a micro-nano generator (61) and a nano-mixing tank (62), wherein the micro-nano generator (61) is connected to the nano-mixing tank (62), the high-pressure distributor (51) is connected to the plurality of micro-nano generators (61) through first pipes (63), the micro-nano generators (61) are connected to the nitrogen preparation mechanism (2), and the medicine solution mixture and nitrogen form a nano-mixed liquid in the micro-nano generator (61) and are stored in the nano-mixing tank (62); A control terminal connected to the nitrogen preparation mechanism (2), the high-pressure water injection mechanism (3), the liquid medicine mechanism (4), and the nano-mixing mechanism (6); A first pressure sensor is provided between the medicine storage tank (41) and the power pump (42), and a second pressure sensor is provided between the high-pressure pump (32) and the filter module (33); The nano-mixing tank (62) outputs the nano-mixed liquid to the outside through a third pipe (64); a third pressure sensor is provided on the third pipe (64); and the first pressure sensor, the second pressure sensor and the third pressure sensor are connected to the control terminal.

2. The gas-medicine-water mixed nanobubble preparation device for water injection according to claim 1, characterized in that: The nitrogen preparation mechanism (2) comprises an air compressor (21), a cold dryer (22) and a gas distributor (23). The air compressor (21) and the cold dryer (22) are connected in sequence to prepare nitrogen. The prepared nitrogen is transported into the gas distributor (23). The gas distributor (23) is connected to the plurality of micro-nano generators (61) through second pipes (24).

3. The gas-medicine-water mixed nanobubble production device for water injection according to claim 1, wherein the control terminal issues an alarm when detecting abnormal data from the first pressure sensor, the second pressure sensor, and the third pressure sensor.

4. The gas-medication-water mixed nanobubble preparation device for water injection according to claim 1, characterized in that the high-pressure pump (32) is connected to the third pipe (64) through a fourth pipe, and when a data abnormality occurs in the control terminal, the high-pressure pump (32) stops, the first pipe (63) is opened, and the water flow in the water injection pipe flows into the third pipe (64) through the fourth pipe, and the third pipe (64) outputs the water flow to the outside.

5. The gas-medication-water mixed nanobubble preparation device for water injection according to claim 1, characterized in that the bracket (11) has a plurality of connection holes, and the bracket (11) is detachably connected to the housing (1) through the connection holes.

6. The gas-medicine-water mixed nanobubble preparation device for water injection according to claim 1, characterized in that: Each of the first pipes (63) is provided with an on-off valve (65), and the on-off valve (65) is used to open / close the input of the medicine mixture to each of the nano-mixing mechanisms (6).

7. The gas-medicine-water mixed nanobubble preparation device for water injection according to claim 1, characterized in that: The filter module (33) comprises a first filter (34) and a second filter (35), wherein the first filter (34) is used for primary filtration, and the second filter (35) is used for secondary depth filtration.

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