Oil separation equipment
By using an oil scraper and scraper plate in the oil separator, the problem of low oil-water separation efficiency caused by clogging of the oil collection hole is solved, and a highly efficient oil-water separation effect is achieved.
Patent Information
- Application Number
- CN202520241188.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The oil collection holes of existing oil separators are prone to clogging, which reduces the efficiency of oil-water separation.
The design employs an oil scraper and a scraper plate, utilizing the density difference between oil and water. The oil scraper is rotated to draw grease onto the scraper, and the scraper plate guides the grease into the oil storage tank, thus eliminating the need for an oil collection hole.
It improves oil-water separation efficiency, avoids the problem of oil collection hole clogging, and achieves efficient oil-water separation.
Smart Images

Figure CN223973908U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oil removal equipment technology, and in particular to an oil separator. Background Technology
[0002] Food wastewater from hotels, restaurants, and other catering businesses contains large amounts of animal and vegetable oils. When mixed with sewage, this forms an oil-water mixture. If this mixture is directly discharged into the city's sewage system, it will not only pollute other wastewater but also increase the difficulty of wastewater treatment. Therefore, large kitchens typically use grease traps to remove oil. Grease traps are treatment structures that utilize the difference in specific gravity between oil and water to separate and remove larger suspended oil particles from sewage.
[0003] Existing grease traps typically use multiple baffles to separate oil-water mixtures during the floating process. The floating grease flows into the oil collection tank through the oil collection holes on the upper side of the grease trap, thus achieving oil-water separation. However, with this setup, the oil collection holes are prone to clogging, leading to a decrease in oil-water separation efficiency. Utility Model Content
[0004] The purpose of this invention is to provide an oil separator that solves the problem that the oil collection hole of the oil separator in the prior art is easily blocked, which leads to a decrease in oil-water separation efficiency. The oil separator of this invention does not need to go through the oil collection hole, thus avoiding blockage of the oil collection hole, and has a higher efficiency in oil-water separation.
[0005] This utility model provides an oil separation device, including a pool body, a first oil storage tank, and an oil scraper and an oil scraper plate disposed in the pool body. The top of the oil scraper extends out of the water surface in the pool body. One end of the oil scraper plate is connected to the oil scraper plate and the other end is connected to the first oil storage tank. The oil scraper plate is rotatably disposed toward one side of the oil scraper plate.
[0006] As a preferred embodiment of this utility model, one end of the oil scraper extends into the interior of the first oil storage tank.
[0007] As a preferred embodiment of this utility model, an inlet is provided at one end of the pool body and an outlet is provided at the other end. The oil scraper is disposed between the inlet and the outlet, and the oil scraper is connected to the side of the oil scraper near the outlet.
[0008] As a preferred embodiment of this utility model, it also includes a slag-separating frame, which is disposed in the pool body on the side near the water inlet, and the water inlet is connected to the slag-separating frame.
[0009] As a preferred embodiment of this utility model, the slag-separating frame is a box structure and each panel of the slag-separating frame is provided with multiple water passage holes.
[0010] As a preferred embodiment of this utility model, the side of the oil scraper connected to the oil scraper wheel is higher than the side of the oil scraper connected to the first oil storage tank.
[0011] As a preferred embodiment of this utility model, the first oil storage tank is disposed in the pool body on the side near the water outlet.
[0012] As a preferred embodiment of the present invention, it further includes a second oil storage tank, which is disposed on the outside of the pool body and connected to the first oil storage tank through a connecting pipe.
[0013] Compared with the prior art, the present invention has the following positive effects:
[0014] The grease trap provided by this utility model includes a pool body, a first oil storage tank, and an oil scraper and an oil scraper plate disposed in the pool body. The top of the oil scraper extends beyond the water surface inside the pool body. One end of the oil scraper plate is connected to the oil scraper plate, and the other end is connected to the first oil storage tank. The oil scraper plate is rotatably disposed facing the side of the oil scraper plate. In use, wastewater from the stove enters the pool body. Due to the density difference between oil and water, the oil floats on the surface. As the oil scraper plate rotates, the oil is adsorbed onto it. Then, the oil scraper plate removes the grease adsorbed on the oil scraper plate, and the grease flows along the oil scraper plate into the first oil storage tank, thus separating the oil and water and allowing the grease to be collected in the first oil storage tank. This eliminates the need for an oil collection hole, avoiding blockage of the collection hole, and the oil scraper plate's adsorption, removal, and collection of grease results in higher efficiency in oil-water separation. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a vertical cross-sectional view of the oil separator of this utility model;
[0017] Figure 2 This is a top view of the pool body and the second oil storage tank in this utility model.
[0018] In the diagram: 1. Pool body; 11. Inlet; 12. Outlet; 13. Top cover; 2. Oil scraper; 21. Drive unit; 3. First oil storage tank; 4. Oil scraper; 5. Water surface; 6. Slag separator frame; 7. Second oil storage tank; 8. Connecting pipe. Detailed Implementation
[0019] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and for simplification, 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," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0020] In the description of this utility model, it should also 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0021] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.
[0022] Example 1:
[0023] This embodiment provides an oil separator, such as... Figures 1-2 As shown, the system includes a pool body 1, a first oil storage tank 3, and an oil skimmer 2 and an oil skimmer 4 disposed within the pool body 1. The top of the oil skimmer 2 extends beyond the water surface 5 within the pool body 1. The oil skimmer 2 can be made of stainless steel and is capable of absorbing grease floating on the water surface.
[0024] One end of the oil scraper 4 is connected to the oil scraper 2, and the other end is connected to the first oil storage tank 3. The oil scraper 4 can be infinitely close to the oil scraper 2 without contacting it. The oil scraper 2 can also lightly touch its surface, just enough not to affect its rotation. The oil scraper 2 is rotated towards the side facing the oil scraper 4. The oil scraper 2 can be driven to rotate by a drive device 21, such as a motor, located on the outside of the tank body 1.
[0025] In this embodiment, when the grease trap is in use, wastewater from the stove enters the tank 1. Due to the density difference between oil and water, the oil floats on the surface. As the oil scraper 2 rotates, the oil is adsorbed onto it. Then, the oil scraper 4 removes the grease adsorbed on the oil scraper 2 and sends it into the first oil storage tank 3, thus separating the oil and water. This allows the grease to be collected in the first oil storage tank 3 without having to go through the oil collection hole, avoiding blockage. Furthermore, the oil scraper 2's adsorption, removal, and collection of grease results in higher efficiency in oil-water separation.
[0026] In a preferred embodiment, one end of the scraper blade 4 extends into the interior of the first oil reservoir 3. The scraper blade 4 can be made of a plastic or metal material with a certain degree of elasticity to facilitate the scraping of grease adsorbed on the scraper wheel 2. The fact that one end of the scraper blade 4 extends into the interior of the first oil reservoir 3 facilitates the introduction of grease into the first oil reservoir 3.
[0027] In this embodiment, the top of the oil scraper 2 extends out of the water surface 5 inside the pool body 1, the oil scraper 4 can be set on the water surface, and the connection section between the first oil storage tank 3 and the oil scraper 4 can also be set on the water surface, so as to prevent the oil scraped off from the oil scraper 2 from being unable to enter the first oil storage tank 3 due to the buoyancy of the water.
[0028] In a preferred embodiment, the side of the scraper 4 connected to the scraper wheel 2 is higher than the side of the scraper 4 connected to the first oil storage tank 3, so that the grease can flow into the first oil storage tank 3 under the action of gravity.
[0029] The oil scraper 4 has side edges on both sides so that the side edges on both sides of the oil scraper 4 can block the oil on the oil scraper 4 and prevent the oil on the oil scraper 4 from flowing to both sides.
[0030] In a preferred embodiment, a water inlet 11 is provided at one end of the pool body 1 and a water outlet 12 is provided at the other end. An oil scraper 2 is disposed between the water inlet 11 and the water outlet 12, and an oil scraper 4 is connected to the side of the oil scraper 2 near the water outlet 12. The water inlet 11 is positioned at a higher height than the water outlet 12, and the water level in the pool body 1 is the same as the height of the water outlet 12. A top cover 13 is provided on the top of the pool body 1, and the top cover 13 is detachably installed on the pool body 1.
[0031] The oil scraper 2 can be installed across the tank body 1, that is, the oil scraper 2 extends in the width direction of the tank body 1, so that both ends of the oil scraper 2 are close to the side wall of the tank body 1, so as to fully intercept the flowing grease. The bottom surface of the tank body 1 is gradually inclined downward from the inlet 11 side to the outlet 12 side.
[0032] like Figure 1As shown, the inlet 11 is located at the left end of the pool body 1, and the outlet 12 is located at the right end of the pool body 1. The oil scraper 2 rotates clockwise, thereby adsorbing the grease flowing from the inlet 11 side onto the oil scraper 2. The upper side of the oil scraper 2, carrying the grease, rotates towards the outlet 12 side. The grease on the oil scraper 2 is scraped off by the oil scraper 4, so that the water flows from the lower side of the oil scraper 2 to the outlet 12, and the upper layer of grease can be fully adsorbed and scraped off by the oil scraper 2.
[0033] In a preferred embodiment, the oil separator in this example further includes a sludge-separating frame 6, which is disposed inside the tank 1 on the side near the inlet 11, and the inlet 11 is connected to the sludge-separating frame 6. The sludge-separating frame 6 can filter the wastewater entering the tank 1 first, so as to intercept large particles.
[0034] In a preferred embodiment, the slag-separating frame 6 has a box-like structure, and each panel of the slag-separating frame 6 is provided with multiple water passage holes. The size of the water passage holes can be set according to the size of common trapped materials to fully trap solid particles and avoid affecting the flow of water. The slag-separating frame 6 can be detachably connected to the tank body 1 via a bracket, and the slag-separating frame 6 can also be opened to facilitate the removal of the slag-separating frame 6 from the tank body 1 for cleaning of the trapped materials inside.
[0035] In a preferred embodiment, the first oil storage tank 3 is disposed inside the pool body 1 on the side near the water outlet 12. The first oil storage tank 3 can be connected to the pool body 1 by a frame, so that there is a certain gap between the bottom surface of the first oil storage tank 3 and the bottom surface of the pool body 1 to allow water to flow through.
[0036] In a preferred embodiment, the oil separator of this embodiment further includes a second oil storage tank 7, which is disposed on the outside of the pool body 1 and connected to the first oil storage tank 3 via a connecting pipe 8. The bottom of the second oil storage tank 7 may be configured as an inverted cone shape, and an oil drain port is provided at the lowest point of the second oil storage tank 7 to facilitate the removal of grease from the second oil storage tank 7 through the oil drain port.
[0037] The second oil storage tank 7 can be arranged in parallel with the pool body 1. The connecting pipe 8 can be connected to the lower side of the first oil storage tank 3 and the second oil storage tank 7 to realize the connection between the first oil storage tank 3 and the second oil storage tank 7. This facilitates the transfer of grease from the first oil storage tank 3 to the second oil storage tank 7 to store more grease, and also facilitates the simultaneous outflow of grease from the first oil storage tank 3 when cleaning the grease in the second oil storage tank 7.
[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any modifications and improvements made by those skilled in the art without departing from the inventive concept of the present utility model should be covered within the protection scope of the present utility model.
Claims
1. An oil separation device, characterized in that The oil skimming device comprises a pool body (1), a first oil storage tank (3), a skimming wheel (2) and a skimming plate (4) arranged in the pool body (1), the top of the skimming wheel (2) is arranged to extend out of the water surface (5) in the pool body (1), one end of the skimming plate (4) is connected with the skimming wheel (2) and the other end is connected with the first oil storage tank (3), and the skimming wheel (2) is arranged to rotate towards one side of the skimming plate (4).
2. An oil separation device according to claim 1, characterised in that One end of the skimming plate (4) is arranged to extend into the inside of the first oil storage tank (3).
3. An oil separation device according to claim 1, characterized in that A water inlet (11) is arranged at one end of the pool body (1) and a water outlet (12) is arranged at the other end, the skimming wheel (2) is arranged between the water inlet (11) and the water outlet (12), and the skimming plate (4) is connected to the side of the skimming wheel (2) close to the water outlet (12).
4. An oil separation device according to claim 3, characterised in that A slag separating frame (6) is further arranged in the pool body (1) close to the water inlet (11), and the water inlet (11) is connected with the slag separating frame (6).
5. An oil separation device according to claim 4, characterised in that The slag separating frame (6) is in a box structure and a plurality of water passing holes are arranged on each panel of the slag separating frame (6).
6. An oil separation device according to claim 2, characterised in that The side of the skimming plate (4) connected with the skimming wheel (2) is higher than the side of the skimming plate (4) connected with the first oil storage tank (3).
7. An oil separation device according to claim 3, characterised in that The first oil storage tank (3) is arranged in the pool body (1) close to the water outlet (12).
8. An oil separation device according to claim 7, characterised in that A second oil storage tank (7) is further arranged outside the pool body (1) and connected with the first oil storage tank (3) through a connecting pipeline (8).