Efficient flushing and filtering device for thin oil pipeline
By designing a multi-stage filter screen and water-cooled jacket in the thin oil pipeline, a high-efficiency flushing and filtration device for thin oil pipelines has been developed, solving the problem of difficult cleaning of thin oil pipelines and achieving efficient and low-cost cleaning results, thus ensuring the stable operation of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-04-03
AI Technical Summary
Existing thin oil pipelines are difficult to clean efficiently after installation, which affects the stable operation of equipment. Traditional methods are costly, time-consuming and cumbersome.
A high-efficiency flushing and filtering device for thin oil pipelines was designed. The inlet and outlet ports are fixed to both ends of the main pipe, and combined with multi-stage filter screens and water-cooled jackets, it can achieve efficient flushing and filtering of thin oil pipelines, reduce oil temperature and ensure oil quality.
It achieves efficient flushing and filtration of thin oil pipelines, simplifies the structure, reduces costs, and ensures safe and efficient operation of equipment and processes.
Smart Images
Figure CN224071328U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thin oil pipeline technology, specifically to a high-efficiency flushing and filtering device for thin oil pipelines. Background Technology
[0002] Currently, in the installation of metallurgical machinery and equipment, after the thin oil pipeline is installed and before production begins, it is necessary to flush out the impurities inside the thin oil pipeline to remove all impurities such as oxide scale, iron filings, and sand particles from the tube furnace. Otherwise, it will affect the stable operation of the equipment.
[0003] Most thin oil pipelines are prefabricated and installed on-site. After installation, the pipelines cannot be completely dismantled for flushing. Therefore, external oil filters are usually used for filtration at present. The preparation for filtration is complicated, and the investment in equipment and manpower is relatively large. For short-length thin oil pipelines, traditional flushing methods are too cumbersome, resulting in wasted time, materials, manpower, and high costs. Utility Model Content
[0004] To overcome the shortcomings of the prior art, this utility model provides a high-efficiency flushing and filtering device for thin oil pipelines, which can efficiently flush and filter thin oil pipelines, especially short-length thin oil pipelines; and has a simple structure, is easy to use, and greatly saves costs.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A high-efficiency flushing and filtration device for thin oil pipelines includes a main pipe, an oil inlet port, an oil outlet port, a cooling structure, and a filter screen. The oil inlet port and the oil outlet port are respectively fixed to both ends of the main pipe. The oil inlet port is connected to the oil outlet pipe, and the oil outlet port is connected to the return oil pipe of the oil tank. The cooling structure is installed on the outer wall of the main pipe to cool the liquid inside the main pipe. One to N levels of filter screens are sequentially arranged between the oil inlet port and the cooling structure, where N≥3. More than N levels of filter screens are arranged between the cooling structure and the oil outlet port.
[0007] Furthermore, the oil inlet interface includes an oil inlet flange and an oil inlet reducer. The large-diameter end of the oil inlet reducer is connected to the main pipe, the small-diameter end of the oil inlet reducer is connected to the oil inlet flange, and the oil inlet flange is connected to the oil outlet pipe.
[0008] Furthermore, the oil outlet interface includes an oil outlet flange and an oil outlet reducer. The large-diameter end of the oil outlet reducer is connected to the main pipe, the small-diameter end of the oil outlet reducer is connected to the oil outlet flange, and the oil outlet flange is connected to the oil return port pipe of the oil tank.
[0009] Furthermore, the cooling structure is a water-cooled jacket.
[0010] Furthermore, the filter screen is fixed by clamping two flanges together, and the two flanges are connected by bolts.
[0011] Furthermore, a PTFE gasket or a rubber gasket is provided between the filter screen and the flange.
[0012] Furthermore, among the first to N stages of filter screens, the first stage filter screen is a 20-60 mesh screen, the second stage filter screen is a 60-100 mesh screen, the third stage filter screen is a 100-150 mesh screen, and the fourth stage filter screen is a 150-400 mesh screen.
[0013] Furthermore, it also includes a sampling tube and a valve, with the sampling tube connected to the main pipe and the valve installed on the sampling tube.
[0014] Furthermore, the valve is a ball valve.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. This utility model features an oil inlet and an oil outlet fixedly connected to both ends of a main pipe. The oil inlet is connected to the oil outlet pipe, and the oil outlet is connected to the return oil pipe of the oil tank, fully utilizing the power of the thin oil pipeline itself. A series of filters, from level one to level N (N≥3), are installed between the oil inlet and the cooling structure. A filter system with more than N levels is installed between the cooling structure and the oil outlet. As the filter precision increases, the oil flow rate decreases and the pressure increases, allowing the lubricating oil to fill the entire pipeline, achieving comprehensive flushing. Because the increased mesh size of the filter increases grease resistance, leading to a rise in oil temperature, the cooling structure dissipates heat, thus ensuring grease quality, equipment safety, and efficient process operation. This utility model can efficiently flush and filter thin oil pipelines, especially short sections; it also features a simplified structure, ease of use, and significant cost savings.
[0017] 2. The cooling structure of this utility model is a water-cooled jacket, with water entering from the bottom and exiting from the top, to dissipate heat from the grease in the main pipe. The water-cooled jacket removes heat from the oil pipe through circulating water. Water has a high specific heat capacity and can absorb a large amount of heat, resulting in excellent heat dissipation, stable cooling effect, and minimal environmental impact.
[0018] 3. This utility model is equipped with a sampling tube, which can extract oil samples for testing and analysis. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the working state of this utility model.
[0021] Figure 3This is a schematic front view of the filter structure of this utility model.
[0022] Figure 4 This is a schematic side view of the filter structure of this utility model.
[0023] The markings in the diagram are: 1. Inlet flange; 2. Inlet reducer; 3. Primary filter; 4. Flange; 5. Secondary filter; 6. Tertiary filter; 7. Water-cooled jacket; 8. Quaternary filter; 9. Final filter; 10. Outlet reducer; 11. Outlet flange; 12. Ball valve; 13. Filter screen; 14. Sampling tube; 15. Oil tank return port; 16. Oil tank; 100. Main pipe. Detailed Implementation
[0024] The embodiments of this utility model are described in detail below. To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.
[0027] In the description of this utility model, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.
[0029] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0030] like Figure 1-4 As shown, a high-efficiency flushing and filtering device for thin oil pipelines is installed in front of the last flange at the oil return port of the oil tank, including a main pipe 100, an oil inlet port, an oil outlet port, a cooling structure, and a filter screen.
[0031] The main pipe 100 is made of stainless steel pipe with a horizontal axis. The oil inlet and oil outlet are fixed to the left and right ends of the main pipe, respectively. Grease enters the device through the oil inlet and exits through the oil outlet.
[0032] The oil inlet interface includes an oil inlet flange 1 and an oil inlet reducer 2. Both the oil inlet flange 1 and the oil inlet reducer 2 are made of stainless steel. The oil inlet reducer 2 is conical. The right end of the larger diameter of the oil inlet reducer is connected to the main pipe 100, and the left end of the smaller diameter of the oil inlet reducer is connected to the oil inlet flange 1. The oil inlet flange 1 is connected to the return oil pipe through a hose or a stainless steel pipe.
[0033] The oil outlet interface includes an oil outlet flange 11 and an oil inlet reducer 10. Both the oil outlet flange 11 and the oil outlet reducer 10 are made of stainless steel. The oil outlet reducer 10 is conical. The left end of the larger diameter of the oil outlet reducer 10 is connected to the main pipe 100, and the right end of the smaller diameter of the oil outlet reducer 10 is connected to the oil outlet flange 11. The oil outlet flange 11 is connected to the oil tank return port 15 through a hose or stainless steel pipe. The oil tank return port 15 is fixed to the side wall of the oil tank 16.
[0034] The water-cooled sleeve 7 is installed on the outer wall of the main pipe 100, located in the middle. The water-cooled sleeve 7 is on the same axis as the main pipe 100. Water enters from the bottom and exits from the top.
[0035] From left to right, a primary filter 3, a secondary filter 5, and a tertiary filter 6 are installed between the oil inlet and the water-cooled jacket 7. The filters are secured by two flanges 4 clamping together, and the two flanges 4 are connected by bolts. A PTFE gasket or rubber gasket is placed between the filter and the flange. The filter and flange 4 are detachably connected, facilitating filter replacement.
[0036] The primary filter 3 is a 20-60 mesh filter, the secondary filter 5 is a 60-100 mesh filter, and the tertiary filter 6 is a 100-150 mesh filter. The primary filter 3 performs coarse filtration, removing larger particles. The secondary filter 5 performs medium filtration, removing medium-sized particles, and the tertiary filter 6 continues the medium filtration, removing medium-sized particles.
[0037] As the mesh size of the filter increases, the resistance of the grease increases, leading to a rise in oil temperature. Water-cooled jacket 7 is used to dissipate heat from the grease inside the main pipe 100. The water-cooled jacket 7 uses circulating water to remove heat from the main pipe 100, thereby ensuring grease quality, equipment safety, and efficient process operation. Water has a high specific heat capacity, enabling it to absorb a large amount of heat, resulting in excellent and stable heat dissipation with minimal environmental impact.
[0038] From left to right, a four-stage filter screen 8 and a final filter screen 9 are installed between the water-cooled jacket 7 and the outlet structure. The four-stage filter screen 8 is a 150-400 mesh filter screen. The final filter screen 9 is one or two layers of 150-400 mesh filter screens.
[0039] It also includes a sampling tube 14 and a valve. The sampling tube 14 is connected to the main pipe, and the valve is installed on the sampling tube 14. In this embodiment, the valve is preferably a ball valve 12, and it is made of stainless steel. The sampling tube 14 is connected to the main pipe 100 between the fourth-stage filter screen 8 and the final filter screen 9, and oil samples are extracted here for testing and analysis.
[0040] This invention can efficiently flush and filter thin oil pipelines, especially short-length thin oil pipelines; it also has a simple structure, is easy to use, and significantly saves costs.
[0041] The above description is only a part of the specific embodiments of this utility model. The protection scope of this utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and utility model concept of this utility model, should be included within the protection scope of this utility model.
Claims
1. A high-efficiency flushing and filtering device for oil pipeline, characterized in that it comprises a main pipe, an oil inlet interface, an oil outlet interface, a cooling structure and a filter screen. The oil inlet interface and the oil outlet interface are respectively fixed to the two ends of the main pipe, the oil inlet interface is connected with an oil inlet pipe, and the oil outlet interface is connected with an oil return pipe of an oil tank. The cooling structure is installed on the outer wall of the main pipe to cool the liquid in the main pipe. A first-stage to N-stage filter screen is sequentially arranged between the oil inlet interface end and the cooling structure, and N is greater than or equal to 3.
2. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that the oil inlet interface comprises an oil inlet flange and an oil inlet reducing pipe, the large-diameter end of the oil inlet reducing pipe is connected with the main pipe, the small-diameter end of the oil inlet reducing pipe is connected with the oil inlet flange, and the oil inlet flange is connected with the oil inlet pipe.
3. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that the oil outlet interface comprises an oil outlet flange and an oil outlet reducing pipe, the large-diameter end of the oil outlet reducing pipe is connected with the main pipe, the small-diameter end of the oil outlet reducing pipe is connected with the oil outlet flange, and the oil outlet flange is connected with the oil return pipe of the oil tank.
4. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that the cooling structure is a water cooling jacket.
5. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that the filter screen is fixed by means of two flanges clamped together, and the two flanges are connected by bolts.
6. The high-efficiency flushing and filtering device for oil pipeline according to claim 5, characterized in that a fluorine gasket or a rubber gasket is arranged between the filter screen and the flanges.
7. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that in the first-stage to N-stage filter screens, the first-stage filter screen is a 20-60 mesh filter screen, the second-stage filter screen is a 60-100 mesh filter screen, the third-stage filter screen is a 100-150 mesh filter screen, and the fourth-stage filter screen is a 150-400 mesh filter screen.
8. The high-efficiency flushing and filtering device for oil pipeline according to claim 1, characterized in that it further comprises a sampling pipe and a valve, the sampling pipe is connected with the main pipe, and the valve is installed on the sampling pipe.
9. The high-efficiency flushing and filtering device for oil pipeline according to claim 8, characterized in that the valve is a ball valve.