A crude oil impurity filtration device

Abstract

This utility model belongs to the technical field of filtration equipment and discloses a crude oil impurity filtration device. This crude oil impurity filtration device includes a receiving cylinder, a sleeve, a filtration mechanism, and a drain pipe. The receiving cylinder has a receiving cavity, including an oil inlet and an oil outlet. The sleeve is fixed inside the receiving cavity to divide it into a first chamber and a second chamber. The oil inlet communicates with the first chamber, and the oil outlet communicates with the second chamber. The filtration mechanism includes a filter cartridge assembly and a rotating assembly. The filter cartridge assembly is located inside the second chamber and is fixedly connected to the sleeve. The filter cartridge assembly has multiple circumferential filter holes and an opening at its top that communicates with the first chamber. The rotating assembly is rotatably disposed inside the filter cartridge assembly and includes several spirally distributed helical blades. One end of the drain pipe is connected to the bottom end of the filter cartridge assembly, and the other end extends outside the receiving cylinder. This crude oil impurity filtration device has low maintenance costs and high filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the field of filtration equipment technology, and in particular to a crude oil impurity filtration device. Background Technology

[0002] Filters are widely used in the long-distance pipeline crude oil transportation industry. They separate oil sludge, iron impurities and other particles from crude oil to prevent them from entering the equipment and causing damage or blockage. Therefore, crude oil needs to be filtered to remove impurities before entering the equipment to ensure the normal and stable operation of the production unit.

[0003] Utility model patent CN208151297U discloses a crude oil iron removal filter, including a cylinder, an adsorption assembly, and a motor located outside the cylinder for driving the adsorption assembly to rotate. The cylinder has an inlet at the top and an outlet at the bottom. The adsorption assembly is horizontally inserted through the side wall of the cylinder, with one end extending out of the side wall. The adsorption assembly includes a sleeve with one open end and a magnetic rod disposed inside the sleeve. The open end of the sleeve is located outside the cylinder, and a secondary gear is located at the end of the sleeve outside the cylinder. A main gear meshing with the secondary gear is mounted on the output shaft of the motor. While the aforementioned patent application describes a removable magnetic rod, it still requires manual cleaning to remove adsorbed magnetic impurities. After cleaning, the magnetic rod must be reinstalled, resulting in low efficiency, high cleaning frequency, and unsuitability for modern production.

[0004] Therefore, there is a need to provide a crude oil impurity filtration device to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a crude oil impurity filtration device with good filtration effect, low maintenance cost and high filtration efficiency.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A crude oil impurity filtration device, comprising:

[0008] A receiving cylinder having a receiving cavity, the receiving cylinder including an oil inlet and an oil outlet;

[0009] A sleeve is fixed inside the accommodating cavity to divide the accommodating cavity into a first chamber and a second chamber. The oil inlet is connected to the first chamber, and the oil outlet is connected to the second chamber.

[0010] A filtration mechanism includes a filter cartridge assembly and a rotating assembly. The filter cartridge assembly is located in the second chamber and is fixedly connected to the sleeve. The filter cartridge assembly has multiple filter holes in its circumference and an opening at its top end that communicates with the first chamber. The rotating assembly is rotatably disposed within the filter cartridge assembly and includes several spirally distributed helical blades.

[0011] A sewage discharge pipe has one end connected to the bottom end of the filter cartridge assembly, and the other end of the sewage discharge pipe extends outside the receiving cylinder.

[0012] Preferably, the rotating assembly further includes a rotating shaft that extends along the Z-axis direction, with both ends of the rotating shaft rotatably connected to the filter cartridge assembly, and a plurality of the spiral blades disposed on the rotating shaft.

[0013] Preferably, along the Z-axis, the helical blades gradually tilt downwards, and multiple helical blades are arranged in a helical distribution around the outer circumference of the rotating shaft.

[0014] Preferably, the sewage discharge pipe includes a first sewage discharge pipe and a second sewage discharge pipe. The first sewage discharge pipe is provided at the bottom of the filter cartridge assembly, and the second sewage discharge pipe is provided in the receiving cylinder. One end of the second sewage discharge pipe is connected to the first sewage discharge pipe, and the other end of the second sewage discharge pipe extends to the outside of the receiving cylinder.

[0015] Preferably, the filter cartridge assembly includes:

[0016] The filter cartridge body has several oil passages on its outer periphery, and the filter cartridge body is fixedly connected to the sleeve.

[0017] A filter screen is fixed to the inner peripheral wall of the filter cartridge body, and the filter screen has a plurality of filter holes.

[0018] Preferably, the filter cartridge body includes:

[0019] The first cylindrical section is arranged in a cylindrical shape;

[0020] The second cylindrical section is connected to the bottom end of the first cylindrical section. The second cylindrical section is tapered, and the sewage pipe is connected to the second cylindrical section.

[0021] Preferably, the filter screen is a 20-mesh filter screen.

[0022] Preferably, the accommodating cylinder includes:

[0023] A receiving cylinder body, the receiving cylinder body including the receiving cavity and the opening, the receiving cavity communicating with the opening;

[0024] A cap is placed over the accommodating cylinder body to seal the opening.

[0025] Preferably, the container has an oil inlet pipe and an oil outlet pipe, the oil inlet pipe being connected to the oil inlet port and the oil outlet pipe being connected to the oil outlet port.

[0026] Preferably, the crude oil impurity filtration device further includes:

[0027] A support frame for supporting the receiving cylinder.

[0028] The beneficial effects of this utility model are:

[0029] This crude oil impurity filtration device includes a container cylinder, a sleeve, a filtration mechanism, and a drain pipe. The container cylinder has a receiving cavity, including an oil inlet and an oil outlet. The sleeve is fixed inside the receiving cavity to divide the receiving cavity into a first chamber and a second chamber. The oil inlet communicates with the first chamber, and the oil outlet communicates with the second chamber. The filtration mechanism includes a filter cartridge assembly and a rotating assembly. The filter cartridge assembly is located inside the second chamber and is fixedly connected to the sleeve. The filter cartridge assembly has multiple filter holes in its circumference and an opening at its top that communicates with the first chamber. The rotating assembly is rotatably disposed inside the filter cartridge assembly and includes several spirally distributed spiral blades. One end of the drain pipe is connected to the bottom end of the filter cartridge assembly, and the other end of the drain pipe extends outside the container cylinder.

[0030] Crude oil can be transported from an external pipeline to the first chamber through the inlet. Then, the crude oil enters the filter cartridge assembly through the top opening of the filter mechanism. The filter cartridge assembly has multiple filter holes around its circumference, which can filter impurities in the crude oil. The filtered crude oil flows out to the second chamber, then flows to the outlet, and finally flows out to downstream equipment through the outlet.

[0031] When crude oil enters the filter cartridge assembly through the top opening of the filtration mechanism, the crude oil flows from top to bottom. When it flows to the spirally distributed spiral blades, it drives the rotating assembly to rotate. The centrifugal force generated by the rotation of the spiral blades can separate impurities from the crude oil, resulting in better filtration. At the same time, the rotation of the spiral blades causes crude oil to splash onto the inner wall of the filter cartridge assembly, which has a scouring effect on the impurities attached to the inner wall of the filter cartridge assembly. This allows the impurities to separate from the inner wall of the filter cartridge assembly and settle, floating on the surface of the crude oil inside the filter cartridge assembly. When the impurity content reaches a certain level, the drain pipe is opened, allowing the impurities and the crude oil inside the filter cartridge assembly to be discharged together along the drain pipe.

[0032] Compared with related technologies, the crude oil impurity filtration device of this utility model has a rotating component. The rotating component rotates due to the downward flow of crude oil. The centrifugal force generated by the rotating spiral blades of the component can separate impurities from the crude oil, resulting in better filtration. Furthermore, impurities adhering to the inner wall of the filter cartridge can be washed away and settled by the crude oil. By opening the drain channel, impurities and contaminated crude oil can be discharged together, which can improve the clogging of the filter cartridge. There is no need to manually disassemble the filter cartridge for cleaning, reducing maintenance costs and increasing filtration efficiency. Attached Figure Description

[0033] Figure 1 This is a cross-sectional view of the crude oil impurity filtration device provided by this utility model;

[0034] Figure 2 This is a schematic diagram of the filter cartridge assembly provided by this utility model;

[0035] Figure 3 This is a top view of the filter cartridge assembly provided by this utility model;

[0036] Figure 4 This is a schematic diagram of the rotating component provided by this utility model;

[0037] Figure 5 This is a top view of the rotating component provided by this utility model.

[0038] In the picture:

[0039] 1. Container body; 2. Support frame; 3. Container cover; 4. Oil inlet pipe; 5. Oil outlet pipe; 6. Sleeve; 7. Filter cartridge body; 8. Filter screen; 9. Spiral blades; 10. Rotary shaft; 11. Drainage pipe; 12. Air inlet. Detailed Implementation

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0041] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0042] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0043] In the description of this embodiment, the terms "upper," "lower," "left," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0044] like Figures 1-5 As shown, this embodiment provides a crude oil impurity filtration device, which includes a receiving cylinder, a sleeve 6, a filtration mechanism, and a drain pipe 11. The receiving cylinder has a receiving cavity, including an oil inlet and an oil outlet. The sleeve 6 is fixed inside the receiving cavity to divide the receiving cavity into a first chamber and a second chamber. The oil inlet communicates with the first chamber, and the oil outlet communicates with the second chamber. The filtration mechanism includes a filter cartridge assembly and a rotating assembly. The filter cartridge assembly is located inside the second chamber and is fixedly connected to the sleeve 6. The filter cartridge assembly has multiple filter holes in its circumference and an opening at its top that communicates with the first chamber. The rotating assembly is rotatably disposed inside the filter cartridge assembly and includes several spirally distributed spiral blades 9. One end of the drain pipe 11 is connected to the bottom end of the filter cartridge assembly, and the other end of the drain pipe 11 extends outside the receiving cylinder.

[0045] Crude oil can be transported from an external pipeline to the first chamber through the inlet. Then, the crude oil enters the filter cartridge assembly through the top opening of the filter mechanism. The filter cartridge assembly has multiple filter holes around its circumference, which can filter impurities in the crude oil. The filtered crude oil flows out to the second chamber, then flows to the outlet, and finally flows out to downstream equipment through the outlet.

[0046] When crude oil enters the filter cartridge assembly through the top opening of the filtration mechanism, the crude oil flows from top to bottom. When it flows to the spirally distributed spiral blades 9, it drives the rotating assembly to rotate. The centrifugal force generated by the rotation of the spiral blades 9 can separate impurities from the crude oil, resulting in better filtration. At the same time, the rotation of the spiral blades 9 causes crude oil to splash onto the inner wall of the filter cartridge assembly, which has a scouring effect on the impurities attached to the inner wall of the filter cartridge assembly. This allows the impurities to be separated from the inner wall of the filter cartridge assembly and settle, floating on the surface of the crude oil inside the filter cartridge assembly. When the impurity content reaches a certain level, the drain pipe 11 is opened, allowing the impurities and the crude oil inside the filter cartridge assembly to be discharged together along the drain pipe 11.

[0047] Compared with related technologies, the crude oil impurity filtration device in this embodiment has a rotating component. The rotating component rotates due to the downward flow of crude oil. The centrifugal force generated by the rotating spiral blades 9 of the rotating component can separate impurities from the crude oil, resulting in better filtration. Furthermore, impurities adhering to the inner wall of the filter cartridge assembly can be washed away and settled by the crude oil. By opening the drain channel, impurities and contaminated crude oil can be discharged together, which can improve the clogging of the filter cartridge assembly. There is no need to manually disassemble the filter cartridge assembly for cleaning, which reduces maintenance costs and increases filtration efficiency.

[0048] Specifically, such as Figure 1 , Figure 4 , Figure 5 As shown, the rotating assembly also includes a rotating shaft 10, which extends along the Z-axis. Both ends of the rotating shaft 10 are rotatably connected to the filter cartridge assembly, and several helical blades 9 are disposed on the rotating shaft 10. The fact that both ends of the rotating shaft 10 are rotatably connected to the filter cartridge assembly makes it less prone to shifting or shaking when subjected to the force generated by the flow of crude oil, thus ensuring the stable and reliable operation of the rotating assembly. The rotation of the rotating shaft 10 drives the helical blades 9 to rotate, and the resulting centrifugal force effectively throws out impurities from the crude oil, allowing the impurities to separate from the crude oil more quickly, thereby improving the filtration effect.

[0049] Specifically, such as Figure 4 As shown, along the Z-axis, the spiral blades 9 gradually tilt downwards, and multiple spiral blades 9 are arranged in a spiral distribution around the outer circumference of the rotating shaft 10. The design of the spiral blades 9 gradually tilting downwards can better guide the crude oil to flow from top to bottom along the spiral direction after entering from the opening at the top of the filter cartridge assembly. This allows the multiple spiral blades 9 to provide centrifugal force to the crude oil, which can more effectively throw impurities in the crude oil toward the inner wall of the filter cartridge assembly.

[0050] It should be noted that the specific number and tilt angle of the helical blades 9 are determined by actual needs, and this embodiment does not limit them.

[0051] Specifically, the sewage discharge pipe 11 includes a first sewage discharge pipe and a second sewage discharge pipe. The first sewage discharge pipe is located at the bottom of the filter cartridge assembly, and the second sewage discharge pipe is located on the receiving cylinder. One end of the second sewage discharge pipe is connected to the first sewage discharge pipe, and the other end of the second sewage discharge pipe extends to the outside of the receiving cylinder. This arrangement simplifies assembly; when assembling this crude oil impurity filtration device, it is only necessary to connect the first sewage discharge pipe and the second sewage discharge pipe.

[0052] In one alternative embodiment, such as Figure 2 , Figure 3 As shown, the filter cartridge assembly includes a filter cartridge body 7 and a filter screen 8. The filter cartridge body 7 has several oil passages on its outer periphery and is fixedly connected to the sleeve 6. The filter screen 8 is fixed to the inner circumferential wall of the filter cartridge body 7 and has multiple filter holes as described above. The filter cartridge body 7 provides support for the filter screen 8, preventing deformation when impacted by crude oil. It also allows the filter cartridge assembly to be fixed to the sleeve 6 and provides an installation position for the rotating assembly. The filter screen 8 filters the crude oil; the filtered crude oil flows out through the filter holes and then exits the filter cartridge assembly through the oil passages.

[0053] In this embodiment, filter 8 is a 20-mesh filter made of stainless steel. It should be noted that the specific mesh count and material of filter 8 are determined by actual needs, and this embodiment does not impose any limitations on them.

[0054] Optionally, such as Figure 2 As shown, the filter cartridge body 7 includes a first cylindrical section and a second cylindrical section. The first cylindrical section is cylindrical, and the second cylindrical section is connected to the bottom of the first cylindrical section and is conical. The drain pipe 11 is connected to the second cylindrical section. The cylindrical shape of the first cylindrical section provides a relatively regular internal space, allowing the crude oil to be evenly distributed after entering the filter cartridge body 7, which helps improve the filtration effect and ensures that impurities in the crude oil can fully contact and be intercepted by the filter screen 8. The conical shape of the second cylindrical section forms an inclined slope on its inner wall, creating a smooth drain channel. Under the guidance of the conical inner wall of the second cylindrical section, impurities directly enter the drain pipe 11, reducing the obstruction of impurities during the discharge process, lowering the drain resistance, and thus improving the drain efficiency.

[0055] In one alternative embodiment, such as Figure 1 As shown, the container includes a container body 1 and a cover 3. The container body 1 includes the aforementioned receiving cavity and an opening, which are connected. The cover 3 is placed on the container body 1 to seal the opening. When installing components such as the sleeve 6 and filter cartridge assembly, the cover 3 is opened to facilitate installation. During the use of this crude oil impurity filtration device, the cover 3 seals the opening to ensure a good sealing effect and prevent external impurities from entering the receiving cavity through the opening and contaminating the crude oil.

[0056] Optionally, such as Figure 1 As shown, the container body 1 is also provided with an air inlet 12. The air inlet 12 ensures that the air pressure inside the container is the same as the external air pressure, thus ensuring the stability of the air pressure inside the container.

[0057] Specifically, such as Figure 1 As shown, the container has an oil inlet pipe 4 and an oil outlet pipe 5. The oil inlet pipe 4 is connected to the oil inlet, and the oil outlet pipe 5 is connected to the oil outlet. The oil pipeline can be conveniently and quickly connected to the container through the oil inlet pipe 4 to transport crude oil into the container; downstream equipment can be conveniently and quickly connected to the container through the oil outlet pipe 5 to transport filtered crude oil to downstream equipment.

[0058] In one alternative embodiment, such as Figure 1 As shown, this crude oil impurity filtration device also includes a support frame 2, which supports the receiving cylinder. The support frame 2 provides a stable support base for the receiving cylinder, allowing it to be placed stably on the working surface and preventing it from tipping over.

[0059] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A crude oil impurity filtration apparatus, characterized by, include: A receiving cylinder having a receiving cavity, the receiving cylinder including an oil inlet and an oil outlet; A sleeve (6) is fixed inside the accommodating cavity to divide the accommodating cavity into a first chamber and a second chamber. The oil inlet is connected to the first chamber and the oil outlet is connected to the second chamber. The filtration mechanism includes a filter cartridge assembly and a rotating assembly. The filter cartridge assembly is located in the second chamber and is fixedly connected to the sleeve (6). The filter cartridge assembly has multiple filter holes in its circumference and an opening at its top end, which communicates with the first chamber. The rotating assembly is rotatably disposed inside the filter cartridge assembly and includes several spiral blades (9) arranged in a spiral pattern. A sewage pipe (11) is connected at one end to the bottom end of the filter cartridge assembly, and the other end of the sewage pipe (11) extends out of the container cylinder.

2. The crude oil impurities filtering device of claim 1, wherein, The rotating assembly also includes a rotating shaft (10) that extends along the Z-axis. Both ends of the rotating shaft (10) are rotatably connected to the filter cartridge assembly, and a plurality of the spiral blades (9) are disposed on the rotating shaft (10).

3. The crude oil impurities filter apparatus of claim 2, wherein, Along the Z-axis, the helical blades (9) gradually tilt downwards, and multiple helical blades (9) are arranged in a spiral distribution around the outer periphery of the rotating shaft (10).

4. The crude oil impurity filtration device according to claim 1, characterized in that, The sewage pipe (11) includes a first sewage pipe and a second sewage pipe. The bottom of the filter cartridge assembly is provided with the first sewage pipe, and the container is provided with the second sewage pipe. One end of the second sewage pipe is connected to the first sewage pipe, and the other end of the second sewage pipe extends to the outside of the container.

5. The crude oil impurity filtration device according to claim 1, characterized in that, The filter cartridge assembly includes: The filter cartridge body (7) has several oil passages on its outer periphery, and the filter cartridge body (7) is fixedly connected to the sleeve (6); A filter screen (8) is fixed to the inner peripheral wall of the filter cartridge body (7), and the filter screen (8) has a plurality of filter holes.

6. The crude oil impurity filtration device according to claim 5, characterized in that, The filter cartridge body (7) includes: The first cylindrical section is arranged in a cylindrical shape; The second cylindrical section is connected to the bottom end of the first cylindrical section. The second cylindrical section is tapered, and the sewage pipe (11) is connected to the second cylindrical section.

7. The crude oil impurity filtration device according to claim 5, characterized in that, The filter (8) is a 20-mesh filter.

8. The crude oil impurity filtration device according to any one of claims 1-7, characterized in that, The accommodating cylinder includes: The accommodating cylinder body (1) includes the accommodating cavity and the opening, and the accommodating cavity is in communication with the opening; A cap (3) is placed on the receiving cylinder body (1) to seal the opening.

9. The crude oil impurity filtration device according to any one of claims 1-7, characterized in that, The container has an oil inlet pipe (4) and an oil outlet pipe (5). The oil inlet pipe (4) is connected to the oil inlet, and the oil outlet pipe (5) is connected to the oil outlet.

10. The crude oil impurity filtration device according to any one of claims 1-7, characterized in that, The crude oil impurity filtration device also includes: Support frame (2) is used to support the receiving cylinder.

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