CN111076089A - Plug-in type efficient mixing chemical agent injection system capable of being replaced on line - Google Patents
Plug-in type efficient mixing chemical agent injection system capable of being replaced on line Download PDFInfo
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- CN111076089A CN111076089A CN201911409971.0A CN201911409971A CN111076089A CN 111076089 A CN111076089 A CN 111076089A CN 201911409971 A CN201911409971 A CN 201911409971A CN 111076089 A CN111076089 A CN 111076089A
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- medicament
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line
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Abstract
The invention discloses a plug-in type high-efficiency mixing chemical agent injection system capable of being replaced on line, which relates to the technical field of offshore oilfield production platforms and comprises an agent pipeline, a treatment fluid pipeline, an agent shunt pipe, an agent injection port, an external short section, a guide head, an insertion short section, a nozzle, a thread protection sleeve and an isolation valve, wherein the nozzle comprises an A-type structure, a B-type structure, a C-type structure, a D-type structure and an E-type structure, and the agent pipeline is made of nonmetal pipelines. The invention can improve the utilization efficiency of the medicament, reduce the reaction time, use the replacement tool of the corrosion coupon to change the spray nozzle online, the multiple sets of medicament injection structures can change the relevant parts online without shutting down, reduce the occurrence probability of influencing the normal production due to the medicament pipeline puncture, improve the utilization rate of the production time, improve the mixing effect of the medicament and the treated fluid while enhancing the corrosion resistance of the medicament pipeline, and reduce the production cost brought by the chemical medicament.
Description
Technical Field
The invention relates to the technical field of offshore oilfield production platforms, in particular to an insertion type efficient mixing chemical agent injection system capable of being replaced on line.
Background
Chemical agents play an important role in the process flow of the offshore oilfield production platform, but are influenced by the properties of the chemical agents and treatment fluid, so that the chemical agent pipelines are easy to corrode and perforate, and the normal production of the oilfield is influenced; the offshore platform has narrow space, and the efficient utilization of the fluid residence time is the key in the process treatment process.
After the chemical agent injection point is punctured, most process pipe sections cannot be subjected to online isolation repair welding or leaking stoppage, and the pipeline can be emptied after production stoppage so as to facilitate the leakage stoppage, so that the production stoppage probability of the oil field is increased to a certain extent, and the oil field yield and the production efficiency of oil-water wells are influenced.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a plug-in type high-efficiency mixing on-line replaceable chemical injection system, and the problems to be solved by the present invention are: how to optimize the injection point and the injection pipeline of the chemical agent to form an agent injection mode which is corrosion-resistant and is beneficial to fully mixing the agent and the fluid.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but chemical agent injection system is changed on line in bayonet high-efficient mixture, includes the medicament pipeline and handles the fluid line, the medicament pipeline is close to it is equipped with a plurality of medicament shunt tubes to handle fluid line one end, it has seted up a plurality of medicament injection port to handle fluid line outer wall top, handle the fluid line top in the medicament injection port outside is equipped with outside nipple joint, the inboard threaded connection's of outside nipple joint direction head, direction head bottom in outside nipple joint inboard is equipped with inserts the nipple joint, insert the nipple joint bottom and pass outside nipple joint with the medicament injection port extends to handle the inside nozzle that is equipped with swing joint of fluid line, outside nipple joint outer wall top cover is equipped with the screw thread protective sheath, the medicament shunt tube passes the screw thread protective sheath with the direction head is connected, medicament shunt tube outer wall in be equipped with, the nozzle includes A type structure, B type structure, C type structure, D type structure and E type structure, A type structure the nozzle outer wall is equipped with a plurality of through-hole, B type structure the nozzle bottom is to certain direction slope, C type structure the nozzle bottom is to two direction slopes, D type structure the nozzle bottom is towards four directions, E type structure the nozzle bottom is equipped with spiral spray, the medicament pipeline adopts non-metal type pipeline to make.
The embodiment of the invention provides an insertion type efficient mixing chemical agent injection system capable of being replaced online, and an isolation valve has the function of isolating a nozzle when the nozzle needs to be replaced, so that the overflow of fluid in a pipeline is avoided; the thread protecting sleeve is used for protecting the external short section; the insertion short section and the guide head can select a proper connection mode, including threaded connection, welding and the like; the short joint is inserted to fully inject chemical agents into the middle lower part of the pipeline, so that the fluid can carry and mix the agents quickly, and the aggregation of liquid medicine is avoided; the lower part of the inserted nipple is connected with the nozzle, so that chemical agents can be mixed with liquid in time, the utilization efficiency of the agents is improved, the reaction time is reduced, a plurality of sets of agent injection structures can be used for replacing related components without on-line shutdown, the occurrence probability of influencing normal production due to agent pipeline puncture is reduced, the production time consumption caused by the fact that the components are replaced due to process shutdown is reduced by replacing the nozzle on line, the utilization rate of the production time is improved, the nozzle is provided with various structures, through holes in the nozzle of the A-shaped structure can be injected from multiple points on the cross section of a pipeline, and the contact point of the agents and fluid is increased so as to be better mixed; the B type can increase the path of the medicament inclined injection, thereby improving the mixing degree; the C type can better mix the medicament; the D shape can cover the whole cross section of the processing fluid line; the spiral nozzle at the bottom of the E-shaped nozzle can change the flow form of the agent spraying nozzle, so that the agent spraying nozzle can be well atomized in a pipeline properly, the treatment effect is improved, different types of nozzles can be selected according to different agent viscosities and injection pressures in field application, the agent can be isolated from a welding line, the corrosion effect of the chemical agent on the welding line is finally reduced, the mixing effect of the agent and a treated fluid is improved, the utilization rate of the agent is improved, the minimum agent can be used for achieving the maximum effect, the amount of the agent is finally saved, the production cost caused by the chemical agent is reduced, the material of the agent pipeline is replaced by a nonmetal (PPR or PVC) pipe for manufacturing, the corrosion resistance degree of the agent pipeline can be enhanced, and the problem brought by the background technology is solved.
In a preferred embodiment, the number of the medicament shunt pipes is at least two, the two medicament shunt pipes are symmetrically arranged, and at least two chemical medicament injection points are ensured, so that the nozzle can be timely switched and quickly replaced on line when in failure.
In a preferred embodiment, the number of said agent injection ports is equal to the number of said agent shunt tubes, ensuring that one said agent injection port corresponds to one said agent shunt tube.
In a preferred embodiment, the bottom of the insertion nipple extends to a half height of the interior of the treatment fluid line, so that the nozzle is ensured to be deep into the interior of the treatment fluid line, and the medicament mixing efficiency can be improved.
In a preferred embodiment, the drug shunt tube includes a first connection tube, a second connection tube and a third connection tube, the isolation valve is disposed between the first connection tube and the second connection tube, a flange is disposed between the second connection tube and the third connection tube, the structure of the drug shunt tube is refined, the second connection tube is separated from the third connection tube when the nozzle is replaced, and then the nozzle is replaced.
In a preferred embodiment, the angled orientation of the base of the nozzle in the B configuration is opposite to the direction of fluid flow within the treatment fluid line, which increases the path of the angled jet of medicament, thereby improving mixing.
In a preferred embodiment, the two inclined directions of the bottom of the nozzle in the C-shaped structure are opposite, so that the medicaments can be better mixed.
In a preferred embodiment, the nozzle is in threaded connection with the bottom of the plug-in nipple, so that the nozzle and the plug-in nipple can be replaced conveniently.
In a preferred embodiment, the material of the chemical pipeline is a PPR pipe or a PVC pipe, which enhances the corrosion resistance of the chemical pipeline.
The invention has the technical effects and advantages that:
1. according to the invention, by arranging the plurality of medicament flow dividing pipes, the external short section, the guide head, the inserting short section, the nozzle, the thread protecting sleeve and the isolating valve, chemical medicaments can be mixed with liquid in time conveniently, the utilization efficiency of the medicaments is improved, the reaction time is reduced, the nozzle is replaced on line by using a replacing tool for corroding hanging pieces, a plurality of sets of medicament injection structures can be used for replacing related components without shutting down on line, the occurrence probability that the normal production is influenced due to the puncture and leakage of medicament pipelines is reduced, the production time consumption caused by the shutdown and replacement of the components in the process is reduced by replacing the nozzle on line, and the utilization rate of the production time is improved;
2. according to the invention, the nozzle is provided with various structures, and the material of the medicament pipeline is replaced by a nonmetal (PPR or PVC) pipe, so that the corrosion resistance of the medicament pipeline can be enhanced, the mixing effect of the medicament and the treated fluid can be improved, and the utilization rate of the medicament can be increased; the maximum effect can be achieved by using the minimum medicament, and the medicament amount is finally saved, so that the production cost brought by chemical medicaments is reduced.
Drawings
Fig. 1 is a front sectional view of the entirety of the present invention.
Fig. 2 is a partial side sectional view of a drug shunt in accordance with the present invention in connection with a treatment fluid line.
FIG. 3 is a front view of the type A nozzle of the present invention.
FIG. 4 is a front view of a nozzle of the type B configuration of the present invention.
FIG. 5 is a front view of the nozzle of the present invention in a C-shaped configuration.
FIG. 6 is a top view of a D-configuration nozzle of the present invention.
FIG. 7 is a front view of the E-configuration nozzle of the present invention.
The reference signs are: 1 medicament pipeline, 2 treatment fluid pipeline, 3 medicament shunt tubes, 4 medicament injection ports, 5 external short sections, 6 guide heads, 7 insertion short sections, 8 nozzles, 9 thread protection sleeves, 10 isolation valves, 11 through holes, 12 spiral spray heads, 13 first connecting pipes, 14 second connecting pipes, 15 third connecting pipes and 16 flange plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a plug-in type high-efficiency mixing chemical injection system capable of replacing chemical agents online comprises a chemical pipeline 1 and a treatment fluid pipeline 2, wherein a plurality of chemical shunt tubes 3 are arranged at one end of the chemical pipeline 1 close to the treatment fluid pipeline 2, a plurality of chemical injection ports 4 are arranged at the top of the outer wall of the treatment fluid pipeline 2, an external short section 5 is arranged at the top of the treatment fluid pipeline 2 outside the chemical injection ports 4, a guiding head 6 is connected with the inner side of the external short section 5 in a threaded manner, an insertion short section 7 is arranged at the bottom of the guiding head 6 inside the external short section 5, the bottom of the insertion short section 7 extends to the treatment fluid pipeline 2 through the external short section 5 and the chemical injection ports 4 and is provided with a movably connected nozzle 8, a threaded protective sleeve 9 is sleeved at the top of the outer wall of the external short section, an isolation valve 10 is arranged on the outer wall of the medicament shunt pipe 3 above the thread protective sleeve 9;
the number of the medicament shunt pipes 3 is at least two, the two medicament shunt pipes 3 are symmetrically arranged, and at least two chemical medicament injection points are guaranteed, so that the nozzles 8 can be switched in time and quickly replaced on line when a fault occurs;
the number of the medicament injection ports 4 is equal to that of the medicament shunt tubes 3, so that one medicament injection port 4 corresponds to one medicament shunt tube 3;
the bottom of the insertion short joint 7 extends to a position which is half of the height inside the treatment fluid pipeline 2, so that the nozzle 8 is ensured to be deep inside the treatment fluid pipeline 2, and the medicament mixing efficiency can be improved;
the nozzle 8 is in threaded connection with the bottom of the inserting short section 7, so that the nozzle 8 and the inserting short section 7 can be replaced conveniently.
The implementation mode is specifically as follows: when the device is used, the plurality of medicament shunt tubes 3, the external short section 5, the guide head 6, the insertion short section 7, the nozzle 8, the thread protective sleeve 9 and the isolation valve 10 are arranged, and the isolation valve 10 has the function of isolating the nozzle 8 when the nozzle 8 needs to be replaced, so that the overflow of fluid in a pipeline is avoided; the thread protecting sleeve 9 is used for protecting the external short section; the inserting short section 7 and the guide head 6 can select a proper connection mode, including threaded connection, welding and the like; the short joint 7 is inserted to fully inject chemical agents into the middle lower part of the pipeline, so that the fluid can carry and mix the agents quickly, and the aggregation of liquid medicine is avoided; the lower part of the inserted short section 7 is connected with the nozzle 8, so that chemical agents can be mixed with liquid in time, the utilization efficiency of the agents is improved, the reaction time is reduced, the mounting and dismounting mode of the nozzle 8 is similar to the mounting and replacing mode of the corrosion hanging piece, the nozzle 8 can be replaced on line by using a replacing tool of the corrosion hanging piece, the operation is convenient and quick, a plurality of sets of agent injection structures can be used for replacing related components without shutdown on line, the occurrence probability of influencing normal production due to the fact that the agent pipeline 1 is punctured is reduced, the production time consumption caused by the fact that the components are replaced when the process is stopped is reduced by replacing the nozzle 8 on line, and the utilization rate of the production; the implementation mode specifically solves the problems that after a chemical agent injection point is punctured in the background technology, most process pipe sections cannot be subjected to online isolation repair welding or leaking stoppage, and the pipeline can only be emptied after production stoppage so as to facilitate the leakage stoppage work, so that the production stoppage probability of the oil field is increased to a certain extent, and further the oil field yield and the production efficiency of the oil-water well are influenced.
The injection system of the chemical agent can be replaced on line by inserting high-efficiency mixing as shown in the attached drawings 1-7, wherein the nozzle 8 comprises an A-type structure, a B-type structure, a C-type structure, a D-type structure and an E-type structure, the outer wall of the nozzle 8 of the A-type structure is provided with a plurality of through holes 11, the bottom of the nozzle 8 of the B-type structure inclines towards a certain direction, the bottom of the nozzle 8 of the C-type structure inclines towards two directions, the bottom of the nozzle 8 of the D-type structure faces towards four directions, the bottom of the nozzle 8 of the E-type structure is provided with a spiral spray head 12, and the chemical agent pipeline 1 is made;
the inclined orientation of the base of the nozzle 8 in the B configuration, opposite to the direction of the liquid flow inside the treatment fluid line 2, increases the path of the inclined jet of the pharmaceutical agent, thus improving the degree of mixing;
the two inclination directions of the bottom of the nozzle 8 in the C-shaped structure are opposite, so that the medicaments can be better mixed;
the material of medicament pipeline 1 is PPR tubular product or PVC tubular product, strengthens medicament pipeline 1's corrosion resistant degree.
The implementation mode is specifically as follows: when in use, the nozzle 8 is provided with a plurality of structures, the through holes 11 on the nozzle 8 with the A-shaped structure can be injected from multiple points on the cross section of the pipeline, and the contact point of the medicament and the fluid is increased so as to be better mixed; the B type can increase the path of the medicament inclined injection, thereby improving the mixing degree; the C type can better mix the medicament; the D-shape may cover the entire cross-section of the treatment fluid line 2; the spiral nozzle 12 at the bottom of the E-shaped nozzle 8 can change the flowing form of the agent spraying nozzle, so that the agent spraying nozzle can be well atomized in the pipeline, the treatment effect is improved, the nozzles 8 of different types can be selected according to different agent viscosities and injection pressures in field application, the agent can be isolated from the welding line, the corrosion effect of the chemical agent on the welding line is finally reduced, the mixing effect of the agent and the treated fluid is improved, the utilization rate of the agent is improved, the minimum agent can be used for achieving the maximum effect, the amount of the agent is finally saved, the production cost caused by the chemical agent is reduced, the material of the agent pipeline 1 is replaced by nonmetal (PPR or PVC) pipes to be manufactured, and the corrosion resistance degree of the agent pipeline 1 can be enhanced.
The working principle of the invention is as follows:
referring to the attached drawings 1-2 of the specification, by arranging a plurality of medicament shunt pipes 3, an external short section 5, a guide head 6, an insertion short section 7, a nozzle 8, a thread protection sleeve 9 and an isolation valve 10, chemical medicaments can be mixed with liquid in time conveniently, the utilization efficiency of the medicaments is improved, the reaction time is reduced, the mounting and dismounting mode of the nozzle 8 is similar to the mounting and replacing mode of a corrosion hanging piece, so that the nozzle 8 can be replaced on line by using a replacing tool of the corrosion hanging piece, the operation is convenient and fast, a plurality of sets of medicament injection structures can be replaced on line to relevant parts without shutdown, the occurrence probability of normal production influenced by the leakage of a medicament pipeline 1 is reduced, the production time consumption caused by the shutdown of the process and the replacement of the parts is reduced by replacing the nozzle 8 on line, and the utilization;
further, referring to fig. 1-7 of the specification, by arranging the nozzle 8 with various structures, the material of the chemical pipeline 1 is replaced by a nonmetal (PPR or PVC) pipe, so that the corrosion resistance of the chemical pipeline 1 can be enhanced, the mixing effect of the chemical and the processed fluid can be improved, and the utilization rate of the chemical can be improved; the maximum effect can be achieved by using the minimum medicament, and the medicament amount is finally saved, so that the production cost brought by chemical medicaments is reduced.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A plug-in high efficiency hybrid on-line replaceable chemical injection system comprising a medicament line (1) and a process fluid line (2), characterized by: medicament pipeline (1) is close to it is equipped with a plurality of medicament shunt tubes (3) to handle fluid pipeline (2) one end, it has seted up a plurality of medicament injection mouth (4) to handle fluid pipeline (2) outer wall top, it is equipped with outside nipple joint (5) to handle fluid pipeline (2) top in medicament injection mouth (4) outside, the first guide (6) of outside nipple joint (5) inboard threaded connection, guide first (6) bottom in outside nipple joint (5) inboard is equipped with inserts nipple joint (7), insert nipple joint (7) bottom and pass outside nipple joint (5) with medicament injection mouth (4) extend to handle fluid pipeline (2) inside nozzle (8) that are equipped with swing joint, outside nipple joint (5) outer wall top cover is equipped with screw thread protective sheath (9), medicament shunt tubes (3) pass screw thread protective sheath (9) with guide head (6) are connected, medicament shunt tubes (3) outer wall in thread protection cover (9) top is equipped with isolation valve (10), nozzle (8) include A type structure, B type structure, C type structure, D type structure and E type structure, A type structure nozzle (8) outer wall is equipped with a plurality of through-hole (11), B type structure nozzle (8) bottom is to certain direction slope, C type structure nozzle (8) bottom is to two direction slopes, D type structure nozzle (8) bottom is towards four directions, E type structure nozzle (8) bottom is equipped with spiral spray nozzle (12), medicament pipeline (1) adopts nonmetal class pipeline to make.
2. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the medicament shunt tubes (3) are at least two, and the two medicament shunt tubes (3) are symmetrically arranged.
3. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the number of the medicine injection ports (4) is equal to that of the medicine shunt pipes (3).
4. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the bottom of the inserting short joint (7) extends to the position which is half of the height inside the processing fluid pipeline (2).
5. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the drug shunt tube (3) comprises a first connecting tube (13), a second connecting tube (14) and a third connecting tube (15).
6. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 5, wherein: the isolation valve (10) is arranged between the first connecting pipe (13) and the second connecting pipe (14), and a flange plate (16) is arranged between the second connecting pipe (14) and the third connecting pipe (15).
7. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the bottom of the nozzle (8) in the B-type structure is inclined in the direction opposite to the liquid flow direction in the treatment fluid line (2).
8. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the two inclination directions of the bottom of the nozzle (8) of the C-shaped structure are opposite.
9. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the nozzle (8) is in threaded connection with the bottom of the inserting short section (7).
10. The plug-in high efficiency hybrid on-line replaceable chemical injection system of claim 1, wherein: the medicament pipeline (1) is made of PPR (polypropylene random) pipes or PVC (polyvinyl chloride) pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409971.0A CN111076089A (en) | 2019-12-31 | 2019-12-31 | Plug-in type efficient mixing chemical agent injection system capable of being replaced on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409971.0A CN111076089A (en) | 2019-12-31 | 2019-12-31 | Plug-in type efficient mixing chemical agent injection system capable of being replaced on line |
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| Publication Number | Publication Date |
|---|---|
| CN111076089A true CN111076089A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911409971.0A Pending CN111076089A (en) | 2019-12-31 | 2019-12-31 | Plug-in type efficient mixing chemical agent injection system capable of being replaced on line |
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| Country | Link |
|---|---|
| CN (1) | CN111076089A (en) |
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2019
- 2019-12-31 CN CN201911409971.0A patent/CN111076089A/en active Pending
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