CN113648857A - Crude oil dynamic mixing device - Google Patents
Crude oil dynamic mixing device Download PDFInfo
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- CN113648857A CN113648857A CN202010398498.7A CN202010398498A CN113648857A CN 113648857 A CN113648857 A CN 113648857A CN 202010398498 A CN202010398498 A CN 202010398498A CN 113648857 A CN113648857 A CN 113648857A
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Abstract
The application discloses crude oil dynamic mixing device belongs to pipeline technical field. The crude oil dynamic mixing device comprises a transmission pipeline and a dynamic mixer, wherein the transmission pipeline comprises a first shunt pipeline, a second shunt pipeline and a confluence pipeline, the dynamic mixer is arranged on the confluence pipeline, a plurality of impellers are arranged in the dynamic mixer, and the rotating directions of blades of two adjacent impellers are opposite. Adopt this application, input two kinds of crude oil, in assembling the confluence pipeline, two kinds of crude oil flow drives the impeller rotation in the dynamic mixer, need not to provide mixing power and just make the impeller rotatory, make two kinds of crude oil by rotatory blade cutting, cut and the remixing, thereby make two kinds of crude oil further mix, and because the blade of adjacent impeller revolves to opposite, consequently can realize clockwise and two kinds of crude oil of anticlockwise rotation stirring, make two kinds of crude oil produce the turbulent flow mixing of forward and reverse, mixing effect is better, and the mixing efficiency is improved.
Description
Technical Field
The application relates to the technical field of pipelines, in particular to a crude oil dynamic mixing device.
Background
With the rapid development of economy in China, the supply of crude oil in China can not meet the demand, so that China purchases a large amount of crude oil, such as Russian thin oil, heavy oil of Venezuela and the like, in other countries. When transporting heavy thick oil, the viscosity of the thick oil is reduced by adopting a method of doping thin oil because the viscosity of the thick oil is extremely high, thereby realizing pipeline transportation.
At present, when thin oil and thick oil are mixed, a static mixer is generally adopted to realize the mixing of two kinds of crude oil, namely, the static mixer, such as a spiral mixer, is fixedly arranged in a conveying pipeline, when the two kinds of crude oil flow in the conveying pipeline, a fixed screw rod in the spiral mixer is impacted, so that the two kinds of crude oil generate the effects of cutting, shearing, rotating and remixing, and the purpose of fully mixing the two kinds of crude oil is achieved.
However, the static mixer has poor mixing efficiency and poor mixing effect.
Disclosure of Invention
The embodiment of the application provides a crude oil dynamic mixing device, can solve the not high technical problem of mixing efficiency among the correlation technique, mix the effect difference. The technical scheme of the crude oil dynamic mixing device is as follows:
the embodiment of the application provides a crude oil dynamic mixing device, which comprises a transmission pipeline and a dynamic mixer, wherein,
the transmission pipeline comprises a first diversion pipeline, a second diversion pipeline and a confluence pipeline;
the dynamic mixer is arranged on the confluence pipeline, a plurality of impellers are arranged in the dynamic mixer, and the rotating directions of the blades of two adjacent impellers are opposite.
In a possible implementation, the first and second branch conduits are used for the flow of two crude oils of different viscosities, and the confluence conduit is used for the mixing of the two crude oils of different viscosities.
In a possible implementation manner, a round rod is fixed at the inner center of the dynamic mixer, and the impeller and the round rod are rotatably connected.
In one possible embodiment, the dynamic mixer has a cylindrical design, and support rods are radially fixed to the inner wall of the dynamic mixer, the round rods being welded to the support rods.
In a possible implementation manner, the dynamic mixer includes a first mixer and a second mixer, wherein impellers are arranged in the first mixer and the second mixer, and blades of the impeller close to one end of the second mixer in the first mixer and blades of the impeller close to one end of the first mixer in the second mixer are opposite in rotation direction.
In one possible implementation, the distance between the impeller of the first mixer close to the end of the second mixer and the impeller of the second mixer close to the end of the first mixer is greater than or equal to 2 meters.
In one possible implementation, the number of impellers provided in the first mixer and the second mixer is 5.
In one possible implementation, the number of blades per impeller is 8.
In a possible implementation manner, the crude oil dynamic mixing device further comprises a first oil pump and a second oil pump, wherein the first oil pump is installed on the first shunt pipeline, and the second oil pump is installed on the second shunt pipeline.
In one possible implementation, the crude oil dynamic mixing device further comprises a first valve and a second valve, the first valve is installed on the first branch pipe, and the first valve is located between the first oil pump and the dynamic mixer, the second valve is installed on the second branch pipe, and the second valve is located between the second oil pump and the dynamic mixer.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
the crude oil dynamic mixing device that this application embodiment provided, transmission pipeline include first reposition of redundant personnel pipeline, second reposition of redundant personnel pipeline and confluence pipeline, and the dynamic mixer is installed on the confluence pipeline, is provided with a plurality of impellers in the dynamic mixer, and the blade of two adjacent impellers revolves to opposite. Adopt this application, input two kinds of crude oil, in assembling the confluence pipeline, two kinds of crude oil flow drives the impeller rotation in the dynamic mixer, need not to provide mixing power and just make the impeller rotatory, make two kinds of crude oil by rotatory blade cutting, cut and the remixing, thereby make two kinds of crude oil further mix, and because the blade of adjacent impeller revolves to opposite, consequently can realize clockwise and two kinds of crude oil of anticlockwise rotation stirring, make two kinds of crude oil produce the turbulent flow mixing of forward and reverse, mixing effect is better, and the mixing efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic structural diagram of a dynamic crude oil mixing device provided in an embodiment of the present application;
FIG. 2 is a side schematic view of an impeller provided in accordance with an embodiment of the present application;
FIG. 3 is a side schematic view of another impeller provided in embodiments of the present application;
fig. 4 is a schematic side view of a fixed round bar in a dynamic mixer according to an embodiment of the present disclosure.
Description of the figures
1. The device comprises a transmission pipeline, 101, a first diversion pipeline, 102, a second diversion pipeline, 103, a confluence pipeline, 2, a dynamic mixer, 200, a round rod, 201, a first mixer, 202, a second mixer, 203, a support rod, 3, an impeller, 301, a blade, 4, a first oil pump, 5, a second oil pump, 6, a first valve, 7 and a second valve.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples consistent with certain aspects of the present application, as detailed in the appended claims.
The embodiment of the application provides a crude oil dynamic mixing device, as shown in fig. 1, the crude oil dynamic mixing device comprises a transmission pipeline 1 and a dynamic mixer 2, wherein the transmission pipeline 1 comprises a first diversion pipeline 101, a second diversion pipeline 102 and a confluence pipeline 103. The dynamic mixer 2 is installed on the confluence pipeline 103, a plurality of impellers 3 are arranged in the dynamic mixer 2, and the vane rotating directions of two adjacent impellers 3 are opposite.
Wherein, the transmission pipeline 1 can be an oil transmission pipeline, and the transmission pipeline 1 can be a circular pipe structure. In order to prevent the transmission pipeline 1 from being damaged due to corrosion, the transmission pipeline 1 can be made of carbon steel pipes or oil-resistant rubber pipes, and the safety and the reliability of oil transmission are improved. In the embodiment of the present application, the transfer pipeline 1 may include a first branch pipeline 101, a second branch pipeline 102, and a confluence pipeline 103, the first branch pipeline 101 and the second branch pipeline 102 are used for flowing two crude oils with different viscosities, the first branch pipeline 101 is used for flowing a first crude oil, the second branch pipeline 102 is used for flowing a second crude oil, and the confluence pipeline 103 is used for mixing two crude oils with different viscosities. For example, the first diversion conduit 101 can be used for transporting high viscosity crude oil, such as heavy crude oil, and the second diversion conduit 102 can be used for transporting low viscosity crude oil, such as thin oil, and the merging conduit 103 can be used for transporting a mixture of heavy crude oil and thin oil, wherein the heavy crude oil is also called heavy crude oil, and the heavy crude oil has the characteristics of high density and high viscosity, and generally refers to crude oil with the density of more than 1 gram per cubic centimeter (g/cm 3).
The dynamic mixer 2 is a mixer that blends two crude oils of different viscosities. In order to prevent the dynamic mixer 2 from being damaged by corrosion, the dynamic mixer 2 may also be made of carbon steel pipe or oil-resistant rubber pipe. For ease of installation, the dynamic mixer 2 may have a cylindrical structure, and the dynamic mixer 2 may be welded to the converging line 103. A plurality of impellers 3 are provided in the dynamic mixer 2.
The impeller 3 is a rotatable wheel disc provided with blades, the impeller 3 can be in a spiral shape, and in the embodiment of the application, the impeller 3 is used for stirring two kinds of crude oil with different viscosities so as to transfer energy to the crude oil. The impeller 3 can be made of alloy, so that damage caused by corrosion of crude oil is avoided, and the cutting and stirring capacity of the impeller 3 is improved. In order to realize the forward and reverse rotation of the impellers 3, the vane rotation directions of two adjacent impellers 3 in the dynamic mixer 2 may be opposite, wherein the vane rotation direction refers to the winding direction of the vanes 301 in the impellers 3, and the vane rotation directions may include left rotation and right rotation. For example, fig. 2 is a schematic side view of an impeller provided in an embodiment of the present application, and as shown in fig. 2, fig. 2 shows an impeller 3 with right-handed blades, and if the blades of the impeller 3 are right-handed, the impeller 3 can rotate clockwise when the impeller 3 is in an operating state. Fig. 2 is a schematic side view of another impeller provided in an embodiment of the present application, and as shown in fig. 3, fig. 3 shows an impeller 3 with left-handed blades, and if the blades of the impeller 3 are left-handed blades, the impeller 3 can rotate counterclockwise when the impeller 3 is in an operating state. The number of the impellers 3 and the number of the blades are not limited in the embodiment of the present application, and alternatively, the number of the impellers 3 in the dynamic mixer 2 may be 10, and the number of the blades 301 of each impeller 3 may be 8.
In the implementation, when a worker wants to mix two kinds of crude oils with different viscosities, the worker can input a first crude oil into the input end of the first diversion pipeline 101, input a second crude oil into the input end of the second diversion pipeline 102, and the two kinds of crude oils enter the confluence pipeline 103 through the first diversion pipeline 101 and the second diversion pipeline 102, and when passing through the dynamic mixer 2, the two kinds of crude oils impact the impellers 3 in the dynamic mixer 2 to drive the impellers 3 to rotate, so that the impellers 3 can rotate without providing mixing power. At this time, the dynamic mixer 2 is in operation, the impeller 3 generates strong shearing force to act on the two crude oils, and the two crude oils are cut, sheared and re-mixed by the rotating blades 301, thereby further mixing the two crude oils. Because the vane rotating directions of the two adjacent impellers 3 are opposite, the rotating directions of the impellers 3 are also opposite when the impellers rotate, clockwise rotation and anticlockwise rotation can be realized for stirring two kinds of crude oil, the two kinds of crude oil can be mixed by generating forward and reverse violent turbulence, and the mixing effect of different crude oils is improved.
It should be noted that, in the above embodiment, the transmission pipeline 1 is only divided into two diversion pipelines, namely, the first diversion pipeline 101 and the second diversion pipeline 102, in another possible implementation manner, the transmission pipeline 1 may also be divided into a plurality of (three or more) diversion pipelines, and the number of diversion pipelines in the embodiment of the present application is not limited. Optionally, the plurality of diversion pipelines may be respectively used for transporting a plurality of crude oils with different viscosities, so as to realize mixing of the crude oils with different viscosities. For example, the transmission pipeline 1 may be divided into four branch pipelines, the transmission pipeline 1 may mix four kinds of crude oil with different viscosities, the four branch pipelines may be used for transporting extra-high viscosity crude oil, medium viscosity crude oil and low viscosity crude oil, respectively, the confluence pipeline 103 may be used for transporting mixed oil of the extra-high viscosity crude oil, the medium viscosity crude oil and the low viscosity crude oil, and thus, mixing of the four kinds of crude oil with different viscosities may be achieved. In addition, under the condition that the transmission pipeline 1 is divided into a plurality of diversion pipelines, the plurality of diversion pipelines can still be used for mixing two kinds of crude oil with different viscosities, for example, when the transmission pipeline 1 is divided into four diversion pipelines, two diversion pipelines are used for transmitting first crude oil, the other two diversion pipelines are used for transmitting second crude oil, and the mixing of the two kinds of crude oil with different viscosities is realized by adopting the plurality of diversion pipelines, because the first crude oil and the second crude oil respectively enter the confluence pipeline 103 from the two diversion pipelines, a larger impact force can be generated, and then the plurality of impellers 3 in the dynamic mixer 2 are impacted, the plurality of impellers 3 are more easily driven to rotate, and the mixing effect of different crude oils is improved.
In one possible implementation, to facilitate the mounting of the impeller 3, the inner center of the dynamic mixer 2 may be fixed with a round bar 200. To achieve rotation of the impeller 3, the impeller 3 and the round bar 200 are rotatably connected.
The round bar 200 may be made of an alloy material.
In practice, a round bar 200 may be fixed at the inner center of the dynamic mixer 2, and the central axis of the round bar 200 is the same as that of the dynamic mixer 2. The impeller 3 may include a through hole, and the impeller 3 may be sleeved on the round rod 200 through the through hole, so that the impeller 3 and the round rod 200 are rotatably connected. When a worker wants to mix two kinds of crude oil with different viscosities, the first crude oil is input into the input end of the first shunt pipeline 101, the second crude oil is input into the input end of the second shunt pipeline 102, the two kinds of crude oil enter the confluence pipeline 103 through the first shunt pipeline 101 and the second shunt pipeline 102, when entering the dynamic mixer 2, the two kinds of crude oil flow in the dynamic mixer 2 and impact the plurality of impellers 3 in the dynamic mixer 2, the dynamic mixer 2 is in a working state, the two kinds of crude oil drive the impeller 3 with the clockwise rotation direction, the impeller 3 with the left rotation direction is driven to rotate anticlockwise, and then the clockwise rotation and the anticlockwise rotation are realized to stir the two kinds of crude oil, so that the two kinds of crude oil generate forward and reverse turbulent mixing.
In a possible implementation, in order to facilitate the installation of the dynamic mixer 2 on the converging duct 103, the dynamic mixer 2 has a cylindrical structure, which may be a cylindrical structure, and in order to facilitate the installation of the round bar 200 inside the dynamic mixer 2, support bars 203 are radially fixed to the inner wall of the dynamic mixer 2.
Wherein, the material of bracing piece 203 can be the alloy material, and the number of bracing piece 203 can be three or more than three, and this application embodiment does not limit the number of bracing piece.
In an embodiment, the dynamic mixer 2 may be a cylinder, a support rod 203 may be radially fixed on an inner wall of the dynamic mixer 2, and the round bar 200 may be welded on the support rod 203. For example, fig. 4 is a schematic side view of a fixed round bar in a dynamic mixer, as shown in fig. 4, fig. 4 includes three support bars 203, the three support bars 203 are fixed along the inner wall of the dynamic mixer 2, and the round bar 200 can be welded on the support bars 203, that is, welded with the three support bars 203.
In a possible implementation, for ease of installation, the dynamic mixer 2 may comprise a first mixer 201 and a second mixer 202, each of the first mixer 201 and the second mixer 202 having a plurality of impellers 3 disposed therein. For realizing the clockwise rotation and the anticlockwise rotation stirring, the vane rotating directions of the impeller 3 at the end of the first mixer 201 close to the second mixer 202 and the impeller 3 at the end of the second mixer 202 close to the first mixer 201 can be opposite, so as to generate the forward and reverse violent turbulent mixing, thereby improving the blending effect of the crude oil.
The first mixer 201 and the second mixer 202 may also be made of carbon steel tubes or oil-resistant rubber tubes, so as to avoid damage caused by corrosion of crude oil.
The length of the first mixer 201 and the second mixer 202, the number of impellers 3, the number of blades, and the like may be designed by a worker according to actual circumstances. For example, the length of each of the first mixer 201 and the second mixer may be set to be 1 meter to 2.5 meters, 1 to 5 impellers 3 may be respectively disposed in the first mixer 201 and the second mixer 202, and the arrangement interval between two adjacent impellers 3 may be 0.3 meter to 1 meter. The number of the blades 301 of each impeller 3 in the first mixer 201 and the second mixer 202 is not less than 8, and the effective area of the impeller 3 can be 0.5 pi r2To 0.9 pi r2And r is the pipe radius. The embodiment of the present application does not require the lengths of the first mixer 201 and the second mixer 202, the number of impellers 3, and the number of bladesAnd (4) limiting.
In practice, when a worker wants to mix two kinds of crude oils with different viscosities, after the two kinds of crude oils enter the merging pipeline 103 through the first branch pipeline 101 and the second branch pipeline 102, firstly, the two kinds of crude oils enter the first mixer 201, and the two kinds of crude oils impact the impellers 3 in the first mixer 201 to drive the impellers 3 to rotate, and at this time, the first mixer 201 is in a working state, and performs clockwise rotation and counterclockwise rotation stirring on the two kinds of crude oils. Then, the two kinds of crude oil enter the second mixer 202, and the two kinds of crude oil impact the plurality of impellers 3 in the second mixer 202 to drive the plurality of impellers 3 to rotate, and at this time, the second mixer 202 is in a working state, and performs clockwise rotation and counterclockwise rotation stirring on the two kinds of crude oil. In addition, the vane rotating directions of the impeller 3 at the end of the first mixer 201 close to the second mixer 202 and the vane rotating directions of the impeller 3 at the end of the second mixer 202 close to the first mixer 201 can be opposite, so that the effect of sequentially stirring the two crude oils in a clockwise rotation mode and a counterclockwise rotation mode is realized.
It should be noted that, the above embodiment takes the dynamic mixer 2 including the first mixer 201 and the second mixer 202 as an example to illustrate the scheme, in another possible implementation manner, the dynamic mixer 2 may be divided into a plurality of mixers, and the number of mixers in the embodiment of the present application is not limited. In the embodiment of the application, the number of the mixers can be set by the staff according to the actual situation, because the distance of crude oil transmission is long, the dynamic mixer 2 can be divided into a plurality of pipe sections by setting a plurality of mixers, and when the impeller 3 is arranged in the dynamic mixer 2, the impeller 3 can be arranged in the plurality of pipe sections, so that the impeller 3 can be conveniently installed.
Optionally, the connection mode of the first mixer 201 and the second mixer 202 may be any one of the following: in a possible implementation, for the convenience of installation, the first mixer 201 and the second mixer 202 are connected by welding, the first mixer 201 and the second mixer 202 can be welded on the confluence pipe 103, and by welding, the construction can be facilitated, and the firmness and tightness of the connection can be improved. In yet another possible implementation, in order to adjust the number of mixers according to actual conditions, the first mixer 201 and the second mixer 202 are connected by screw threads, which can facilitate mounting and dismounting, and in special cases the number of mixers can be adjusted according to actual conditions, such as adding new mixers or reducing mixers. The embodiment of the present application does not limit the connection manner of the first mixer 201 and the second mixer 202.
Optionally, in order to achieve uniform stirring and further uniform mixing of the two crude oils, the number of impellers 3 arranged in the first mixer 201 and the second mixer 202 may be the same.
For example, when the number of impellers 3 in the dynamic mixer 2 is 10, the number of impellers 3 provided in each of the first mixer 201 and the second mixer 202 may be 5.
Optionally, in order to mix the two crude oils sufficiently, the distance between the impeller 3 of the first mixer 201 near the end of the second mixer 202 and the impeller 3 of the second mixer 202 near the end of the first mixer 201 should be greater than a predetermined value.
For example, the distance between the impeller 3 near the end of the second mixer 202 in the first mixer 201 and the impeller 3 near the end of the first mixer 201 in the second mixer 202 may be greater than or equal to 2 meters, reducing the instances where the mixing is insufficient due to too close distance.
In a possible implementation manner, in order to improve the mixing efficiency of the two crude oils, the crude oil dynamic mixing device may further include a first oil pump 4 and a second oil pump 5, the first oil pump 4 is installed on the first branch pipe 101, and the second oil pump 5 is installed on the second branch pipe 102.
The first oil pump 4 and the second oil pump 5 are power sources for transporting crude oil. The first oil pump 4 is used for providing conveying power for the first crude oil, and the second oil pump 5 is used for providing conveying power for the second crude oil. It should be understood that if the crude oil dynamic mixing apparatus includes a plurality of branch pipes, oil pumps may be respectively installed on the plurality of branch pipes.
In practice, the first tapping line 101 may be equipped with a corresponding first oil pump 4 and the second tapping line 102 may be equipped with a corresponding second oil pump 5. The first and second oil pumps 4 and 5 may include an input line and an output line, and when a worker installs the first oil pump 4 on the site, the input line and the output line of the first oil pump 4 may be connected to the first branch flow line 101, respectively, so that the first oil pump 4 is installed on the first branch flow line 101. When a worker installs the second oil pump 5 on site, the input line and the output line of the second oil pump 5 may be connected to the second branch flow line 102, respectively, so that the second oil pump 5 is installed on the second branch flow line 102. When the operator wants to mix two kinds of crude oil with different viscosities, the operator can input the first crude oil into the input end of the first diversion pipeline 101, and after the second crude oil is input into the input end of the second diversion pipeline 102, the first oil pump 4 and the second oil pump 5 are started to provide conveying power for the first crude oil and the second crude oil, so that the mixing efficiency of the two kinds of crude oil is improved.
Optionally, for the first shunt pipe 101, when the first oil pump 4 is installed, the first oil pump 4 may be installed on the first shunt pipe 101 in a flange connection manner. For the second branch flow pipe 102, when the second oil pump 5 is installed, the second oil pump 5 may be installed on the second branch flow pipe 102 by means of flange connection. Through flange joint's mode, the dismouting of being convenient for. For example, when the first oil pump 4 or the second oil pump 5 malfunctions and needs to be replaced, a worker may detach the flange, replace the oil pump, and flange-connect the oil pump to the pipe again.
Optionally, in order to ensure the tightness of flange connection, sealing gaskets can be arranged on two sides of the flange, so that the phenomenon of crude oil leakage during crude oil conveying is avoided. For example, the sealing gasket may be a flange gasket, which is a resilient gasket that is a buffer member for the coupling between the flanges.
In a possible implementation, to ensure safe opening and stopping, the crude oil dynamic mixing device may further include a first valve 6 and a second valve 7, the first valve 6 being mounted on the first diversion pipe 101, and the first valve 6 being located between the first oil pump 4 and the dynamic mixer 2, the second valve 7 being mounted on the second diversion pipe 102, and the second valve 7 being located between the second oil pump 5 and the dynamic mixer 2.
The first valve 6 is a valve for controlling the flow rate, pressure, etc. of the first crude oil, and the second valve 7 is a valve for controlling the flow rate, pressure, etc. of the second crude oil. The type of first valve 6 and second valve 7 can be gate valve, ball valve, butterfly valve etc. this application embodiment does not limit the type of valve, and the material of first valve 6 and second valve 7 can be cast iron valve, cast steel valve, stainless steel valve etc. this application embodiment does not limit the material of valve. It should be understood that if the crude oil dynamic mixing apparatus includes a plurality of branch pipes, valves may be respectively installed on the plurality of branch pipes.
In practice, when a worker wants to mix two kinds of crude oil, the worker can open the first valve 6 and the second valve 7, input the first crude oil into the input end of the first branch pipe 101, and input the second crude oil into the input end of the second branch pipe 102, so that the two kinds of crude oil enter the confluence pipe 103 through the first branch pipe 101 and the second branch pipe 102 to be mixed. During the mixing process of the two crude oils, the opening degree of the first valve 6 and the second valve 7 can be set to adjust the flow rate of the two crude oils, so that the mixing effect of the two crude oils is better. When a fault occurs during the mixing of the two crude oils, the first valve 6 and the second valve 7 can be closed to avoid damaging the transfer pipe or the dynamic mixer 2.
In the embodiment of the application, through setting up first valve 6 and second valve 7 on pipeline 1, make the first valve 6 and the mixed start-up and the stop of second valve 7 control crude oil, can guarantee the safety of hybrid process and open and stop, can control the flow of crude oil through adjusting first valve 6 and second valve 7, make the technical staff can adjust the flow of crude oil in real time according to the on-the-spot condition, and can adjust the pressure in pipeline 1 through adjusting first valve 6 and second valve 7, can adjust little pressure when dynamic mixer 2 internal pressure is great, avoid pipeline or dynamic mixer 2 to send the condition of blasting, the security and the reliability of crude oil mixing have been improved.
The working process of the crude oil dynamic mixing device provided by the embodiment of the application can be as follows:
when an operator wants to mix two kinds of crude oil, the first valve 6 and the second valve 7 are opened, the first oil pump 4 and the second oil pump 5 are opened, the first crude oil is input into the input end of the first shunt pipeline 101, the second crude oil is input into the input end of the second shunt pipeline 102, the two kinds of crude oil enter the confluence pipeline 103 through the first shunt pipeline 101 and the second shunt pipeline 102, when passing through the dynamic mixer 2, the two kinds of crude oil impact the impellers 3 in the dynamic mixer 2 to generate a pushing force to drive the impellers 3 to rotate, so that the impeller 3 with the right-handed rotation of the blade rotates clockwise, the impeller 3 with the left-handed rotation of the blade rotates counterclockwise, the dynamic mixer 2 is in a working state at the moment, the impeller 3 rotates clockwise and stirs the two kinds of crude oil in counterclockwise, a strong shearing force acts on the two kinds of crude oil, and the two kinds of crude oil are continuously cut by the impeller 3 rotating forward and backward in the dynamic mixer 2, Shearing, rotating and remixing to finally mix the two crude oils uniformly.
In a specific example, the working conditions of the first branch pipeline A and the second branch pipeline B in a crude oil conveying pipeline are that the upstream pressure is 5.89MPa, the downstream pressure is 5.87MPa, the first crude oil conveyed by the first branch pipeline A is Daqing crude oil, and the temperature is 50 ℃ at 35 DEG C-sViscosity 135 mpas. The second crude oil conveyed by the second branch pipeline B is Russian crude oil which is 50 ℃ at 20 DEG C-sViscosity 15 mpas. The crude oil dynamic mixing device provided by the embodiment of the application is used for mixing, an oil pump and a valve are utilized to control the mixing proportion of Daqing crude oil and Russian crude oil to be 100:12, and the flow rate of the crude oil is 1100m3H is used as the reference value. When the two kinds of crude oil are mixed uniformly, a worker samples 1 time every 1 hour at a position 1 m behind the output end of the crude oil dynamic mixing device, continuously samples oil for 24 hours, and finally measures that the mixed oil is 50 ℃ at 35 DEG C-sThe viscosity is 55mpas, and the fluctuation of the viscosity is not more than 5%, so that the crude oil dynamic mixing device provided by the embodiment of the application improves the blending effect of crude oil, improves the mixing stability and shortens the length of a pipe section with unstable oil mixing physical properties.
The crude oil dynamic mixing device that this application embodiment provided, two kinds of crude oil flow and drive the impeller 3 rotation in the dynamic mixer, need not to provide mixing power and just can make impeller 3 rotatory. The two crude oils are further mixed by being cut, sheared and remixed by the rotating blades 301 by the impeller 3 in the dynamic mixer 2. The blades of two adjacent impellers 3 in the dynamic mixer 2 rotate in opposite directions, so that two crude oils can be stirred in clockwise rotation and anticlockwise rotation, the two crude oils are mixed in forward and reverse severe turbulence, the two crude oils are uniformly mixed, the mixing effect is better, and the mixing efficiency and the mixing stability are improved. Through setting up first valve 6 and second valve 7 on pipeline 1, can guarantee that the safety of mixing process opens and stops, through adjusting first valve 6 and second valve 7, can adjust the pressure in pipeline 1 to and the flow of control crude oil, improved the security and the reliability that crude oil mixes.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. Crude oil dynamic mixing device, characterized in that it comprises a transfer pipeline (1) and a dynamic mixer (2), wherein,
the conveying pipeline (1) comprises a first diversion pipeline (101), a second diversion pipeline (102) and a confluence pipeline (103);
the dynamic mixer (2) is arranged on the confluence pipeline (103), a plurality of impellers (3) are arranged in the dynamic mixer (2), and the rotating directions of the blades of two adjacent impellers (3) are opposite.
2. The dynamic crude oil mixing device according to claim 1, characterized in that the first and second branch conduits (101, 102) are for the flow of two crude oils of different viscosities and the merging conduit (103) is for the mixing of the two crude oils of different viscosities.
3. The crude oil dynamic mixing device according to claim 1, characterized in that a round bar (200) is fixed at the inner center of the dynamic mixer (2), and the impeller (3) and the round bar (200) are rotatably connected.
4. The crude oil dynamic mixing device according to claim 3, characterized in that the dynamic mixer (2) has a cylindrical structure, support rods are radially fixed on the inner wall of the dynamic mixer (2), and the round rods (200) are welded on the support rods.
5. The crude oil dynamic mixing device according to claim 1, characterized in that the dynamic mixer (2) comprises a first mixer (201) and a second mixer (202), wherein impellers (3) are arranged in the first mixer (201) and the second mixer (202), and the impellers (3) in the first mixer (201) near one end of the second mixer (202) and the impellers (3) in the second mixer (202) near one end of the first mixer (201) have opposite rotation directions.
6. The dynamic mixing device of crude oil according to claim 5, characterized in that the distance between the impeller (3) in the first mixer (201) near the end of the second mixer (202) and the impeller (3) in the second mixer (202) near the end of the first mixer (201) is greater than or equal to 2 meters.
7. Crude oil dynamic mixing device according to claim 5, characterized in that the number of impellers (3) arranged in the first mixer (201) and the second mixer (202) is 5 each.
8. Crude oil dynamic mixing device according to claim 1, characterized in that the number of blades (301) per impeller (3) is 8.
9. The dynamic crude oil mixing device according to claim 1, characterized in that it further comprises a first oil pump (4) and a second oil pump (5), said first oil pump (4) being mounted on said first tapping line (101), said second oil pump (5) being mounted on said second tapping line (102).
10. The crude oil dynamic mixing device according to claim 9, characterized in that it further comprises a first valve (6) and a second valve (7), said first valve (6) being mounted on said first diversion conduit (101) and said first valve (6) being located between said first oil pump (4) and said dynamic mixer (2), said second valve (7) being mounted on said second diversion conduit (102) and said second valve (7) being located between said second oil pump (5) and said dynamic mixer (2).
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| CN202010398498.7A CN113648857A (en) | 2020-05-12 | 2020-05-12 | Crude oil dynamic mixing device |
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| CN202010398498.7A CN113648857A (en) | 2020-05-12 | 2020-05-12 | Crude oil dynamic mixing device |
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| CN113648857A true CN113648857A (en) | 2021-11-16 |
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| CN202010398498.7A Pending CN113648857A (en) | 2020-05-12 | 2020-05-12 | Crude oil dynamic mixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920687A (en) * | 2023-02-22 | 2023-04-07 | 四川省玖鼎石油有限责任公司 | Lubricating oil conveying device and blending method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218092Y (en) * | 2008-06-11 | 2009-04-08 | 中国石油天然气股份有限公司 | Vane type bidirectional vortex flow cavity static mixer |
| CN201407022Y (en) * | 2009-04-13 | 2010-02-17 | 中国海洋石油总公司 | Hydraulic drive type mixer for polymer injection |
| CN202860424U (en) * | 2012-06-12 | 2013-04-10 | 彭悦 | Dynamic pipeline mixer |
| US20150048004A1 (en) * | 2013-06-13 | 2015-02-19 | Yi Liu | Apparatus, System, and Methods for Blending Crude Oils |
| CN206762803U (en) * | 2017-01-20 | 2017-12-19 | 广东净源纯水设备有限公司 | A kind of pipe-line mixer |
| CN108131566A (en) * | 2016-11-30 | 2018-06-08 | 中国石油天然气股份有限公司 | A kind of viscous crude is in line delivery system and method |
| CN210013693U (en) * | 2019-04-28 | 2020-02-04 | 河南福侨石油装备有限公司 | Thick oil mixes thin mixing arrangement |
-
2020
- 2020-05-12 CN CN202010398498.7A patent/CN113648857A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218092Y (en) * | 2008-06-11 | 2009-04-08 | 中国石油天然气股份有限公司 | Vane type bidirectional vortex flow cavity static mixer |
| CN201407022Y (en) * | 2009-04-13 | 2010-02-17 | 中国海洋石油总公司 | Hydraulic drive type mixer for polymer injection |
| CN202860424U (en) * | 2012-06-12 | 2013-04-10 | 彭悦 | Dynamic pipeline mixer |
| US20150048004A1 (en) * | 2013-06-13 | 2015-02-19 | Yi Liu | Apparatus, System, and Methods for Blending Crude Oils |
| CN108131566A (en) * | 2016-11-30 | 2018-06-08 | 中国石油天然气股份有限公司 | A kind of viscous crude is in line delivery system and method |
| CN206762803U (en) * | 2017-01-20 | 2017-12-19 | 广东净源纯水设备有限公司 | A kind of pipe-line mixer |
| CN210013693U (en) * | 2019-04-28 | 2020-02-04 | 河南福侨石油装备有限公司 | Thick oil mixes thin mixing arrangement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920687A (en) * | 2023-02-22 | 2023-04-07 | 四川省玖鼎石油有限责任公司 | Lubricating oil conveying device and blending method |
| CN115920687B (en) * | 2023-02-22 | 2023-05-09 | 四川省玖鼎石油有限责任公司 | Lubricating oil conveying device and blending method |
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