Multi-stage oil-water separator

Abstract

The utility model discloses a multistage oil-water separator which comprises a separation tank, a water tank and an oil collection tank, a water guide pipe extending to the upper part of the water tank is mounted on the separation tank, and a liquid guide hopper extending to the upper part of the oil collection tank is mounted on the separation tank; a plurality of first filter screens for filtering and separating oil and water are mounted in the separation box; a fixed seat is mounted in the separation box, and a pressurizing mechanism is mounted on the fixed seat and used for pressurizing oil and water in the separation box; a stirring mechanism is mounted on the separation box and used for stirring oil and water in the separation box; the multistage oil-water separator relates to the technical field of oil-water separators, and solves the problems that in actual use, an existing oil-water separator device can only achieve simple oil-water separation, the oil-water separation efficiency is low, the oil-water separation efficiency is low, and the oil-water separation efficiency is high. And the oil cannot be taken out, so that the oil and the oil are completely separated.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-water separators, in particular to a multi-stage oil-water separator. Background Art

[0002] Oil-water separator is a kind of device, which is divided into two types: catering oil-water separator and industrial oil-water separator. Catering oil-water separator is used to treat sewage in the catering industry; due to environmental protection requirements, sewage generated by ships and machinery discharged into rivers, lakes and seas must be treated, and industrial oil-water separator is needed.

[0003] Patent number: CN217459116U, patent name: A multi-stage oil-water separator "including an equipment body 1, the interior of the equipment body 1 is provided with a treatment tank 11, an oil collecting tank 12, and a sedimentation tank 13, the outer side of the equipment body 1 is fixedly connected to a filter tank 2, and the outside of the equipment body 1 is fixedly connected to an observation window 3... In this multi-stage oil-water separator, sludge and other impurities will settle to the inside of the sedimentation tank under the action of gravity, and clean water will be separated in the inside of the treatment tank. Due to the different densities of oil and water, the oil will rise to the inside of the oil collecting tank, thereby realizing the separation of oil... ".

[0004] The above application document has the following disadvantages: when the above device is actually used, it can only achieve a simple separation of oil and water, but still cannot take out the oil and completely separate the two, so it needs to be improved. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a multi-stage oil-water separator, which solves the problem that the existing oil-water separator device can only achieve simple separation of oil and water in actual use, but cannot remove the oil and completely separate the two.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multi-stage oil-water separator, comprising a separation box, a water tank, and an oil collecting tank, wherein the separation box is provided with a water guide pipe extending to the top of the water tank, and the separation box is provided with a liquid guide bucket extending to the top of the oil collecting tank;

[0007] A plurality of first filter screens are installed in the separation box for filtering and separating oil and water;

[0008] A fixing seat is installed in the separation box, and a pressurizing mechanism is installed on the fixing seat for pressurizing the oil and water in the separation box;

[0009] The separation box is provided with a stirring mechanism for stirring the oil and water in the separation box;

[0010] A second filter screen is installed in the oil collecting tank, and an oil recovery mechanism is installed on one side of the oil collecting tank for absorbing and collecting the oil in the oil collecting tank.

[0011] Preferably, a drain pipe is installed on the water tank to drain the water in the water tank outwards.

[0012] Preferably, the pressurizing mechanism comprises a cylinder fixed on a fixed seat and a screen fixed on an output end of the cylinder, the screen is movably connected to the interior of the separation box, and the outer dimensions of the screen are matched with the inner dimensions of the space formed by the inner wall of the separation box and the first filter.

[0013] Preferably, the stirring mechanism comprises a motor fixed on the separation box, the output end of the motor is equipped with a stirring shaft extending into the interior of the separation box, and the stirring shaft is equipped with a stirring paddle.

[0014] Preferably, a feeding pipe is installed on the separation box for adding the oil-liquid mixture into the separation box.

[0015] Preferably, the oil recovery mechanism includes an oil tank and a water pump, the water inlet of the water pump is connected to an oil inlet pipe extending into the oil collecting tank and located below the second filter, and the water outlet is connected to an oil outlet pipe extending into the oil tank.

[0016] Preferably, a faucet is installed on the oil tank.

[0017] Beneficial Effects

[0018] The utility model provides a multi-stage oil-water separator. Compared with the prior art, it has the following beneficial effects:

[0019] 1. A multi-stage oil-water separator, wherein a plurality of first filters are installed in a separation box for multi-stage filtration of oil and water, the filtered and separated water flows into the water tank for collection, a stirring mechanism is provided, the stirring mechanism comprises a motor, a stirring shaft, etc., the stirring shaft and the stirring paddle are driven by the motor to rotate, the fluidity of oil and water is accelerated, the separation efficiency is improved and clogging is avoided, a pressurizing mechanism is provided, the pressurizing mechanism comprises a cylinder, a screen, etc., the oil-water mixture added to the separation box will first be filtered through the screen, the solid matter will remain on the surface of the screen to separate the solid and the liquid, thereby facilitating the oil-water separation operation, and then the screen is driven by the cylinder to lift and lower the separation box to pressurize the inside of the separation box, which is convenient for filtration through the first filter to accelerate the oil-water separation and improve the separation efficiency, after standing for a while, the oil and solid matter float on the top, enter the oil collecting tank through the liquid guide bucket for collection, thereby realizing the separation and treatment of oil, water and solid matter.

[0020] 2. In this multi-stage oil-water separator, after the oil and solid matter enter the oil collecting tank, they will be filtered again through the second filter screen in the oil collecting tank, and the solid matter will remain on the surface of the second filter screen. By setting an oil recovery mechanism, the oil recovery mechanism includes an oil tank, a water pump, etc., so that by starting the water pump and utilizing the oil inlet pipe, the oil inside the oil collecting tank can be drawn into the oil tank for collection, thereby realizing the separation and treatment of the oil and solid matter. Therefore, the utility model can effectively realize the separation and treatment of the oil, water and solid debris, and the separation is thorough and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0023] Figure 3 This is a schematic diagram of the internal structure of the separation box of the utility model.

[0024] In the figure: 1. separation box; 2. water tank; 21. drain pipe; 3. oil collecting tank; 4. water guide pipe; 5. first filter screen; 6. liquid guide bucket; 7. fixed seat; 8. pressurizing mechanism; 81. cylinder; 82. screen; 9. stirring mechanism; 91. motor; 92. stirring shaft; 93. stirring paddle; 10. feeding pipe; 11. second filter screen; 12. oil recovery mechanism; 121. oil tank; 1211. faucet; 122. water pump; 123. oil inlet pipe; 124. oil outlet pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3 , the utility model provides two technical solutions:

[0027] Embodiment 1:

[0028] A multi-stage oil-water separator comprises a separation box 1, a water tank 2, and an oil collecting tank 3. The separation box 1 is provided with a water guide pipe 4 extending to the top of the water tank 2, and the separation box 1 is provided with a liquid guide hopper 6 extending to the top of the oil collecting tank 3;

[0029] A plurality of first filter screens 5 are installed in the separation box 1 for filtering and separating oil and water;

[0030] A fixing seat 7 is installed in the separation box 1, and a pressurizing mechanism 8 is installed on the fixing seat 7 for pressurizing the oil and water in the separation box 1;

[0031] A stirring mechanism 9 is installed on the separation box 1 for stirring the oil and water in the separation box 1;

[0032] A second filter screen 11 is installed in the oil collecting tank 3 , and an oil recovery mechanism 12 is installed on one side of the oil collecting tank 3 for absorbing and collecting the oil in the oil collecting tank 3 .

[0033] Embodiment 2:

[0034] The main difference from the first embodiment is:

[0035] A multi-stage oil-water separator, a water tank 2 is provided with a drain pipe 21 for discharging water from the water tank 2; a pressurizing mechanism 8 comprises a cylinder 81 fixed on a fixing seat 7 and a screen 82 fixed on an output end of the cylinder 81, the screen 82 is movably connected to the inside of the separation box 1, the outer dimensions of the screen 82 are adapted to the inner dimensions of the space formed by the inner wall of the separation box 1 and the first filter 5, the oil-water mixture added to the separation box 1 will first be filtered through the screen 82, the solid matter will remain on the surface of the screen 82 to separate the solid and the liquid, thereby facilitating the oil-water separation operation, and then the screen 82 is driven to rise and fall by the cylinder 81 to pressurize the inside of the separation box 1, so as to facilitate the filtration through the first filter 5 to accelerate the oil-water separation and improve the separation efficiency; a stirring mechanism 9 comprises a motor 91 fixed on the separation box 1, the output end of the motor 91 is provided with a motor extending to the inside of the separation box 1 The stirring shaft 92 at the top is provided with a stirring paddle 93, and the stirring shaft 92 and the stirring paddle 93 are driven by the motor 91 to rotate, so as to accelerate the fluidity of oil and water, improve the separation efficiency and avoid blockage; the separation box 1 is provided with a feeding pipe 10 for adding the oil-liquid mixture into the separation box 1; the oil recovery mechanism 12 comprises an oil tank 121 and a water pump 122, the water inlet of the water pump 122 is connected with an oil inlet pipe 123 extending into the oil collecting box 3 and located below the second filter screen 11, and the water outlet is connected with an oil outlet pipe 124 extending into the oil tank 121, and the water pump 122 is started, and the oil in the oil collecting box 3 can be drawn into the oil tank 121 for collection by using the oil inlet pipe 123, so as to realize the separation and treatment of oil and solid matter; the oil tank 121 is provided with a faucet 1211, so as to facilitate the discharge of the oil in the oil tank 121.

[0036] When the multi-stage oil-water separator is in use, a plurality of first filter screens 5 are installed in the separation box 1 for multi-stage filtration of oil and water. The filtered and separated water flows into the water tank 2 for collection. A stirring mechanism 9 is provided, which includes a motor 91, a stirring shaft 92, etc. The motor 91 drives the stirring shaft 92 and the stirring paddle 93 to rotate, so as to accelerate the fluidity of oil and water, improve the separation efficiency and avoid clogging. A pressurizing mechanism 8 is provided, which includes a cylinder 81, a screen 82, etc. The oil-water mixture added to the separation box 1 will first be filtered through the screen 82, and the solid matter will remain on the surface of the screen 82 to separate the solid and the liquid, thereby facilitating the oil-water separation operation. Then, the screen 82 is driven to rise and fall by the cylinder 81 to pressurize the interior of the separation box 1, so as to accelerate the filtration through the first filter screen 5. Oil-water separation improves separation efficiency. After standing for a while, the oil and solid matter float on the top and enter the oil collecting tank 3 through the liquid guide bucket 6 for collection, thereby realizing the separation and treatment of oil, water and solid matter. In addition, the oil and solid matter of the utility model will be filtered again through the second filter screen 11 in the oil collecting tank 3 after entering the oil collecting tank 3, and the solid matter will remain on the surface of the second filter screen 11. By setting an oil recovery mechanism 12, the oil recovery mechanism 12 includes an oil tank 121, a water pump 122, etc., so that by starting the water pump 122, the oil in the oil collecting tank 3 can be drawn into the oil tank 121 for collection by using the oil inlet pipe 123, thereby realizing the separation and treatment of oil and solid matter. Therefore, the utility model can effectively realize the separation and treatment of oil, water and solid debris, and the separation is thorough and efficient.

[0037] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage oil-water separator, comprising a separation tank (1), a water tank (2), and an oil collecting tank (3), characterized in that: The separation box (1) is provided with a water guide pipe (4) extending to the top of the water tank (2), and the separation box (1) is provided with a liquid guide hopper (6) extending to the top of the oil collecting tank (3); A plurality of first filter screens (5) are installed in the separation box (1) for filtering and separating oil and water; A fixing seat (7) is installed in the separation box (1), and a pressurizing mechanism (8) is installed on the fixing seat (7) for pressurizing the oil and water in the separation box (1); The separation box (1) is provided with a stirring mechanism (9) for stirring the oil and water in the separation box (1); A second filter screen (11) is installed in the oil collecting box (3), and an oil recovery mechanism (12) is installed on one side of the oil collecting box (3) for absorbing and collecting oil in the oil collecting box (3).

2. A multi-stage oil-water separator according to claim 1, characterized in that: The water tank (2) is provided with a drain pipe (21) for draining water in the water tank (2) to the outside.

3. A multi-stage oil-water separator according to claim 1, characterized in that: The pressurizing mechanism (8) comprises a cylinder (81) fixed on a fixing seat (7) and a screen (82) fixed on an output end of the cylinder (81); the screen (82) is movably connected to the interior of the separation box (1); and the outer dimensions of the screen (82) are adapted to the inner dimensions of a space formed by an inner wall of the separation box (1) and the first filter screen (5).

4. A multi-stage oil-water separator according to claim 1, characterized in that: The stirring mechanism (9) comprises a motor (91) fixed on the separation box (1), the output end of the motor (91) is equipped with a stirring shaft (92) extending into the interior of the separation box (1), and a stirring paddle (93) is installed on the stirring shaft (92).

5. The multi-stage oil-water separator according to claim 1, characterized in that: The separation box (1) is provided with a feeding pipe (10) for adding the oil-liquid mixture into the separation box (1).

6. A multi-stage oil-water separator according to claim 1, characterized in that: The oil recovery mechanism (12) comprises an oil tank (121) and a water pump (122); a water inlet of the water pump (122) is connected to an oil inlet pipe (123) extending into the interior of the oil collecting tank (3) and located below the second filter screen (11); and a water outlet of the water pump (122) is connected to an oil outlet pipe (124) extending into the interior of the oil tank (121).

7. A multi-stage oil-water separator according to claim 6, characterized in that: A faucet (1211) is installed on the oil tank (121).

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