Static separation device for oil-water proportioning
By utilizing gravity separation and density differences through a static separation device, combined with sensor monitoring, the problems of low efficiency and high cost in existing oil-water separation technologies have been solved, achieving efficient and stable oil-water separation and resource recycling.
Patent Information
- Application Number
- CN202520164845.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing oil-water separation equipment suffers from problems such as low separation efficiency, large footprint, complex structure, and high operating and maintenance costs. In particular, the separation effect is not ideal when oil and water are fully mixed, and energy consumption is also high.
A static separation device is adopted, which utilizes the principle of gravity separation combined with the density difference between oil and water. Through components such as a static tank, oil storage tank, water storage tank, oil pumping mechanism, water pumping mechanism and self-priming pump, the oil and water are naturally separated into layers. The separation effect is monitored by a reflux structure and sensors to ensure that the separated oil and water are stored and recycled in proportion.
It improves oil-water separation efficiency, reduces resource waste, lowers operating costs, and enables multiple recycling and stable separation of oil and water.
Smart Images

Figure CN223921171U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to oil water separation technical field especially, be related to a kind of static separation device for oil-water proportioning. BACKGROUND
[0002] Oil-water separation technology is a kind of processing technology for separating oil substances from water, widely used in industrial wastewater treatment, petrochemical industry, catering wastewater treatment and other fields. Its main purpose is to reduce the pollution of oily wastewater to the environment, and recycle oil resources. Due to the low separation efficiency of oil-water separation equipment in the related art, the problem of inefficient treatment of oil-water mixture is caused. And the equipment in the related art also has the problems of large floor area, complex structure, high operation and maintenance cost. Especially when the oil-water mixture is fully mixed, the separation effect is not ideal. In order to meet the separation requirements, these devices usually need to run for a long time, resulting in high energy consumption, and it is difficult to balance efficiency and cost. SUMMARY
[0003] Therefore, the utility model aims to solve one of the problems in the related art at least to some extent.
[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0005] A static separation device for oil-water proportioning, comprising an oil storage tank, a water storage tank, an oil pumping mechanism, a water pumping mechanism, a static tank, an oil return structure, a water return structure and a self-priming pump;
[0006] The bottom of the static tank is connected to the oil storage tank through the oil return structure, and the bottom of the static tank is connected to the water storage tank through the water return structure.
[0007] The oil storage tank is connected to the use end through the oil pumping mechanism, and the water storage tank is connected to the use end through the water pumping mechanism.
[0008] The static tank recovers the oil-water mixture after use through the self-priming pump.
[0009] Further, the oil pumping mechanism comprises a diaphragm metering pump and an oil outlet, the oil outlet is arranged on the oil storage tank, the oil outlet is connected to the hose through the diaphragm metering pump, and the oil pumping mechanism and the water pumping mechanism have the same structure.
[0010] Further, the oil return structure comprises a return pneumatic valve and a connecting pipe, the bottom of the static tank is connected to the connecting pipe through the return pneumatic valve, the connecting pipe is connected to the top of the oil storage tank, and the oil return structure and the water return structure are the same.
[0011] Furthermore, the settling chamber is equipped with a material sensing component, which includes an oil-water separation sensor and a first tuning fork density meter.
[0012] Furthermore, it also includes a support frame and a fixing frame, the fixing frame being located above the support frame and used to install the stationary box, and the support frame being used to install the oil storage tank and the water storage tank.
[0013] Furthermore, the settling box is provided with an external radiator interface on one side and a reflux port and an inlet port on the other side, both of which are used to connect to the oil-water separator.
[0014] Furthermore, the settling chamber is equipped with a temperature sensor and a glass tube level gauge.
[0015] Furthermore, both the water tank and the oil tank are equipped with a second tuning fork density meter.
[0016] Furthermore, a breather valve is provided on the top of the settling box.
[0017] Compared with the prior art, the static separation device for oil-water ratio according to this utility model has the following advantages:
[0018] 1. The settling chamber utilizes the principle of gravity separation, effectively leveraging the density difference between oil and water to cause them to naturally separate into layers, thereby improving the efficiency of oil-water separation. By incorporating oil-water separation sensors and a density meter, the oil-water separation process can be monitored in real time, ensuring optimal separation results.
[0019] 2. The bottom of the settling tank is connected to the oil storage tank via an oil return structure and to the water storage tank via a water return structure. This return design helps improve the oil-water separation effect. The return flow after oil-water separation allows the separated oil and water to be recycled, which not only saves resources but also reduces wastewater discharge.
[0020] 3. By installing an oil-water separation sensor and a tuning fork density meter, the settling chamber can monitor the oil-water separation status in real time, ensuring that material changes during the separation process are accurately captured. This helps adjust the equipment's operating status and improves the stability and accuracy of oil-water separation.
[0021] 4. The separated oil and water are stored in different containers and mixed in proportion by a metering pump to ensure that the separated oil and water can be fully and effectively used, realize multiple recycling of oil and water, further improve resource utilization and reduce usage costs. Attached Figure Description
[0022] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0023] Figure 1 This is a schematic diagram of a static separation device for oil-water ratio according to an embodiment of the present invention;
[0024] Figure 2 This is a side view of a static separation device for oil-water ratio according to an embodiment of the present invention;
[0025] Figure 3 This is a top view of a static separation device for oil-water ratio according to an embodiment of the present invention;
[0026] Figure 4 This is a perspective view of a static separation device for oil-water ratio according to an embodiment of the present invention.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Oil storage tank; 2. Diaphragm metering pump; 3. Self-priming pump; 4. Settling tank; 5. Breather valve; 6. External radiator interface; 7. Oil outlet; 8. Return pneumatic valve; 9. Water storage tank; 10. Water outlet; 11. Inlet interface; 12. Return port interface; 13. Temperature sensor; 14. Material sensing component; 15. Liquid level sensor; 16. Second tuning fork density meter; 17. Glass tube level gauge. Detailed Implementation
[0029] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.
[0030] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0031] 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 mechanical connection or an electrical 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.
[0032] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0033] A static separation device for oil-water ratio, such as Figure 1 As shown, it includes an oil storage tank 1, a water storage tank 9, an oil pumping mechanism, a water pumping mechanism, a settling tank 4, an oil return structure, a water return structure, and a self-priming pump 3; the settling tank 4 recovers the used oil-water mixture through the self-priming pump 3. Both the water storage tank 9 and the oil storage tank 1 are equipped with a second tuning fork density meter 16. Figure 2 As shown, it also includes a support frame and a fixing frame. The fixing frame is located above the support frame and is used to install the stationary box 4. The support frame is used to install the oil storage tank 1 and the water storage tank 9.
[0034] The bottom of the settling tank 4 is connected to the oil storage tank 1 through an oil return structure, and the bottom of the settling tank 4 is connected to the water storage tank 9 through a water return structure. The oil return structure includes a return pneumatic valve 8 and a connecting pipe. The bottom of the settling tank 4 is connected to the connecting pipe through the return pneumatic valve 8, and the connecting pipe is connected to the top of the oil storage tank 1. The oil return structure is the same as the water return structure.
[0035] The settling tank 4 utilizes the principle of gravity separation, effectively leveraging the density difference between oil and water to cause them to naturally separate, thereby improving the efficiency of oil-water separation. By incorporating an oil-water separation sensor and a density meter, the separation process can be monitored in real time to ensure optimal separation results. The bottom of the settling tank 4 is connected to the oil storage tank 1 via an oil return structure and to the water storage tank 9 via a water return structure; this return design further enhances the oil-water separation effect. The return flow after oil-water separation allows the separated oil and water to be recycled, saving resources and reducing wastewater discharge. By storing the separated oil and water in separate containers and using a metering pump to mix them in proportion, the system ensures that the separated oil and water are fully and effectively utilized, achieving multiple cycles of oil and water recycling, further improving resource utilization and reducing operating costs.
[0036] The oil storage tank 1 is connected to the user end through the oil pumping mechanism, and the water storage tank 9 is connected to the user end through the water pumping mechanism. The oil pumping mechanism includes a diaphragm metering pump 2 and an oil outlet 7. The oil outlet 7 is located on the oil storage tank 1 and is connected to a hose through the diaphragm metering pump 2. The oil pumping mechanism and the water pumping mechanism have the same structure.
[0037] The settling chamber 4 is equipped with a material sensing component 14, which includes an oil-water separation sensor and a first tuning fork density meter. By installing the oil-water separation sensor and tuning fork density meter, the settling chamber 4 can monitor the state of oil-water separation in real time, ensuring that material changes during the separation process are accurately captured. This helps adjust the equipment's operating status and improves the stability and accuracy of oil-water separation.
[0038] The settling tank 4 has an external radiator interface 6 on one side and a reflux port interface 12 and an inlet interface 11 on the other side. Both the reflux port interface 12 and the inlet interface 11 are used to connect to an oil-water separator. The settling tank 4 is equipped with a temperature sensor 13 and a glass tube level gauge 17. A breather valve 5 is located on the top of the settling tank 4. The external radiator interface 6 is used to connect to a cooling and heat dissipation device. The external radiator interface 6, the reflux port interface 12, and the inlet interface 11 are all electrically operated valves.
[0039] This device is installed between the user end and the oil-water separator to perform pretreatment of the oil-water mixture. After use, the oil-water mixture is pumped back to the top settling tank 4 by a self-priming pump 3. After a period of settling, the lower layer of water is drained back into the water storage tank 9 until the material sensing component 14 accurately determines the boundary between the oil and water. The remaining oil-water mixture in the settling tank 4 is then separated by an external oil-water separator. The separated oil flows back to the settling tank 4, and the water flows back to the water storage tank 9. The density of the oil in the settling tank 4 is monitored in real time to determine whether the separation is complete, thus improving the efficiency of the oil-water separator. Finally, the oil in the settling tank is drained back into the oil storage tank 1, and the separation effect of the oil and water is determined by the second tuning fork density meter 16 on the tank.
[0040] How this example works
[0041] The oil-water mixture is supplied as needed via a metering pump. The specific ratio is determined by the densities of the water and oil. There is a stirring device in the external storage tank, and the mixture must be stirred evenly before use.
[0042] The oil-water mixture undergoes static separation. The mixture, pumped back by the self-priming pump 3, remains stationary in the settling tank 4 for a period. After water and oil stratification, the water at the bottom is drained back to the water storage tank 9 (the material sensing component 14 distinguishes the stratification effect based on the different densities of water and oil). Mixtures that are difficult to separate statically are then separated by an external oil-water separator. The separated water returns to the water storage tank 9, and the oil returns to the top settling tank 4. The system continuously monitors the density of the medium in the settling tank 4. Once the density reaches or approaches that of pure oil, the separation stops. The oil in the settling tank 4 is then drained back to the oil storage tank 1 through the bottom valve, completing one round of separation. If the external oil-water separator uses a vacuum separation method, the mixture will gradually heat up during separation. To ensure the oil returns to the oil storage tank 1 at the required temperature, an external cooling device is needed to circulate and cool the oil in the settling tank 4. The temperature sensor 13 continuously monitors the temperature. Once the oil in the settling tank 4 reaches the required temperature for reflux storage, the bottom valve is opened to drain it back to the oil storage tank 1.
[0043] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A static separation device for oil-water proportioning, characterized by: The oil storage tank (1), the water storage tank (9), the oil pumping mechanism, the water pumping mechanism, the static tank (4), the oil circuit backflow structure, the water circuit backflow structure and the self-priming pump (3) are included. The bottom of the static tank (4) is connected with the oil storage tank (1) through the oil circuit backflow structure, and the bottom of the static tank (4) is connected with the water storage tank (9) through the water circuit backflow structure. The oil storage tank (1) is connected with the use end through the oil pumping mechanism, and the water storage tank (9) is connected with the use end through the water pumping mechanism. The static tank (4) recycles the oil-water mixture after use through the self-priming pump (3).
2. A static separation device for oil-water proportioning according to claim 1, characterized in that: The oil pumping mechanism includes the diaphragm metering pump (2) and the oil circuit outlet (7), the oil circuit outlet (7) is arranged on the oil storage tank (1), the oil circuit outlet (7) is connected with the hose through the diaphragm metering pump (2), and the oil pumping mechanism and the water pumping mechanism are the same in structure.
3. A static separation device for oil-water proportioning according to claim 1, characterized in that: The oil circuit backflow structure includes the backflow pneumatic valve (8) and the connecting pipe, the bottom of the static tank (4) is connected with the connecting pipe through the backflow pneumatic valve (8), and the connecting pipe is connected with the top of the oil storage tank (1).
4. A static separation device for oil-water proportioning according to any one of claims 1-3, characterized in that: The static tank (4) is provided with the material sensing assembly (14), and the material sensing assembly (14) includes the oil-water layering sensor and the first tuning fork densimeter.
5. A static separation device for oil-water proportioning according to claim 4, characterized in that: The support frame and the fixing frame are further included, the fixing frame is located above the support frame, the fixing frame is used for installing the static tank (4), and the support frame is used for installing the oil storage tank (1) and the water storage tank (9).
6. A static separation device for oil-water proportioning according to claim 4, characterized in that: One side of the static tank (4) is provided with the external cold row interface (6), the other side of the static tank (4) is provided with the backflow port interface (12) and the inlet interface (11), and the backflow port interface (12) and the inlet interface (11) are used for connecting the oil-water separator.
7. A static separation device for oil-water proportioning according to claim 4, characterized in that: The static tank (4) is provided with the temperature sensor (13) and the glass tube liquid level meter (17).
8. A static separation device for oil-water proportioning according to claim 4, characterized in that: The water storage tank (9) and the oil storage tank (1) are each provided with a second tuning fork densimeter (16).
9. A static separation device for oil-water proportioning according to claim 4, characterized in that: The top of the static tank (4) is provided with the breather valve (5).