Flocculation equipment for treating waste lubricating oil

By designing the mixing blades and filter screen structure inside the tank, and combining the cleaning functions of the spray pipe and brush head, the problems of uneven mixing, incomplete separation, and inconvenient cleaning in existing equipment have been solved, achieving efficient processing and convenient maintenance, and extending the service life of the equipment.

CN224040325UActive Publication Date: 2026-03-27BEIJING SHENGXIN HARMONIOUS LUBRICATING GREASE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing waste lubricating oil flocculation equipment suffers from problems such as uneven mixing, incomplete separation of flocs, complex equipment, high energy consumption, high maintenance costs, and low oil recovery rate. Furthermore, cleaning and maintenance are inconvenient, leading to decreased equipment operating efficiency and shortened service life.

Method used

A flocculation device is designed, comprising a tank, a water tank, stirring blades, a filter screen, a spray pipe, and a brush head. The stirring blades are rotated by a motor-driven rotating shaft, which mixes waste oil with flocculant. The filter screen separates the flocculants, and the spray pipe and brush head clean the inner wall of the device. An oil collection tank collects lubricating oil, support legs and a slag discharge pipe stabilize the device, and a limiting hole prevents the rotating shaft from deviating.

Benefits of technology

It improves the utilization rate of waste lubricating oil, makes it less prone to scale buildup inside the equipment, is easy to clean, reduces maintenance costs, extends the service life of the equipment, and is suitable for industrial production.

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Abstract

The utility model discloses flocculation equipment for waste lubricating oil treatment, and belongs to the field of waste lubricating oil treatment.The flocculation equipment comprises a tank body and a water tank, a sealing cover is installed at the top of the tank body, a feeding pipe and an exhaust pipe are installed at the top of the sealing cover, and a motor is fixedly installed at the top of the sealing cover; a power output shaft of the motor is fixedly connected with a rotating shaft, a plurality of stirring blades are fixedly mounted on the outer edge of the rotating shaft, flow guide grooves are formed in the inner walls of the stirring blades, a filter screen is obliquely and fixedly mounted on the inner wall of the tank body, and an oil collecting groove is fixedly mounted on the inner wall of the tank body; the utilization rate of oil products in the waste lubricating oil treatment process is increased, scale is not prone to being deposited in equipment, cleaning is convenient, the equipment maintenance cost is remarkably reduced, the overall structural design is reasonable, the characteristics of efficient treatment and convenient maintenance are achieved, and the service life of the equipment is prolonged; and the method is suitable for industrial production environment.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste lubricating oil treatment, and particularly relates to a flocculation equipment for waste lubricating oil treatment. BACKGROUND

[0002] The waste lubricating oil contains a large amount of harmful substances, such as heavy metals, colloid and asphaltene, and if not effectively treated, will cause serious pollution to the environment. At present, the treatment technology of waste lubricating oil mainly includes physical method, chemical method and biological method, wherein the flocculation separation technology becomes one of the mainstream pretreatment methods due to the characteristics of high efficiency, low cost and simple operation.

[0003] The existing waste lubricating oil flocculation equipment mainly adopts two forms of stirring flocculation tank and centrifugal separator. The stirring flocculation tank fully mixes the waste oil and the flocculant through mechanical stirring, and the flocculation is separated after standing. The advantages are simple structure and low cost, but the problems of uneven stirring, incomplete separation of flocculation and easy fouling in the equipment exist. The centrifugal separator realizes the separation of flocculation and oil liquid through the centrifugal force generated by high-speed rotation, and the advantages are high separation efficiency, but the disadvantages are complex equipment, high energy consumption, high maintenance cost and low oil recovery rate. In addition, the existing equipment is generally inconvenient to clean and maintain, which leads to the decrease of equipment operation efficiency and the shortening of service life. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the utility model provides a flocculation equipment for waste lubricating oil treatment, which overcomes the defects of the prior art and aims to solve the problems in the background art.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a flocculation equipment for waste lubricating oil treatment, comprising a tank body and a water tank, a sealing cover is installed at the top of the tank body, a feed pipe and an exhaust pipe are installed at the top of the sealing cover respectively, a motor is fixedly installed at the top of the sealing cover, a rotating shaft is fixedly connected to the power output shaft of the motor, a plurality of stirring blades are fixedly installed on the outer edge of the rotating shaft, and flow guide grooves are formed in the inner wall of the stirring blades, a filter screen is fixedly and obliquely installed on the inner wall of the tank body, an oil collecting groove is fixedly installed on the inner wall of the tank body, a brush head is fixedly installed on the outer edge of the rotating shaft, and the oil collecting groove is arranged below the filter screen.

[0006] As a preferred embodiment, one end of a spray pipe is fixedly connected to the inner wall of the water tank, a water pump is fixedly installed on the outer edge of the spray pipe, a plurality of spray heads are fixedly and communicatively arranged on the outer edge of the spray pipe, and the end of the spray pipe close to the spray head is arranged in the interior of the tank body.

[0007] By adopting the above technical scheme, the water pump can be driven to discharge the cleaning liquid in the water tank to the interior of the tank body through the spray head, so as to clean the inner wall of the tank body.

[0008] As a preferred implementation form, the spraying pipe is inserted into the inside of the sealing cover, a circular ring is fixedly installed on the top of the sealing cover, the spraying pipe is arranged on the inner wall of the circular ring, and two fixing clamps are installed in the inside of the tank body, and the spraying pipe is installed in the inside of the two fixing clamps.

[0009] By adopting the above technical scheme, the spraying pipe can be positioned, it is ensured that the spraying pipe does not easily shake during the spraying process of the nozzle, and the circular ring can protect the connection between the spraying pipe and the sealing cover.

[0010] As a preferred implementation form, the rotating hole is arranged on the inner wall of the filter screen and the sealing cover, the rotating shaft is rotatably connected to the inner wall of the rotating hole, and the outer edge of the brush head is attached to the inner wall of the tank body.

[0011] By adopting the above technical scheme, the rotating shaft does not interfere with the filter screen and the sealing cover during rotation, thereby ensuring the stability of the filter screen arranged in the inside of the tank body.

[0012] As a preferred implementation form, the inner wall of the oil collecting groove is fixedly connected with the oil discharge pipe, and the inner wall of the oil discharge pipe is installed with the electromagnetic valve.

[0013] By adopting the above technical scheme, the lubricating oil discharged into the inside of the tank body after being filtered by the filter screen can be discharged into the container through the oil discharge pipe for storage, thereby avoiding full load from flowing to the inner bottom of the tank body.

[0014] As a preferred implementation form, a plurality of supporting legs are symmetrically and fixedly installed on the bottom of the tank body, and the bottom of the tank body is fixedly connected with the residue discharge pipe.

[0015] By adopting the above technical scheme, the tank body can be stably placed on the ground, and the cleaned sewage can be discharged through the residue discharge pipe.

[0016] As a preferred implementation form, a limiting hole is arranged on the inner bottom of the tank body, and the bottom end of the rotating shaft is rotatably connected to the inner wall of the limiting hole.

[0017] By adopting the above technical scheme, the inner bottom of the tank body can be limited, the stability of the rotating shaft during rotation is ensured, and the position of the rotating shaft is prevented from being easily deviated and shaken.

[0018] The beneficial effects of the present application are as follows:

[0019] The waste lubricating oil treatment flocculation equipment improves the utilization rate of oil in the waste lubricating oil treatment process, is not easy to accumulate dirt inside the equipment, is convenient to clean, significantly reduces the equipment maintenance cost, has a reasonable overall structure design, has the characteristics of efficient treatment and convenient maintenance, prolongs the service life of the equipment, is easy to operate, and is suitable for industrial production environment.

[0020] The waste lubricating oil treatment flocculation equipment drives the stirring blades to rotate through the motor driving rotating shaft, so that the waste oil and the flocculant are fully mixed and flocculation is formed, the efficiency of lubricating oil treatment is ensured, and the pressure of the stirring blades during rotation is reduced by the guide groove. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic diagram of the present application;

[0022] Figure 2 It is a tank body cross-section structure schematic diagram of the present application;

[0023] Figure 3 It is a filter screen structure schematic diagram of the present application;

[0024] Figure 4 It is a local enlarged structure schematic diagram of the present application.

[0025] In the drawing, 1 is a tank body, 2 is a sealing cover, 3 is a feeding pipe, 4 is an exhaust pipe, 5 is an oil discharge pipe, 6 is a motor, 7 is a rotating shaft, 8 is a stirring blade, 9 is a guide groove, 10 is a filter screen, 11 is an oil collecting groove, 12 is a brush head, 13 is a spraying pipe, 14 is a fixing clamp, 15 is a spray head, 16 is a water pump, 17 is a water tank, and 18 is a circular ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0027] REFERENCE Figures 1-4 A waste lubricating oil treatment flocculation equipment includes a tank body 1 and a water tank 17, the top of the tank body 1 is provided with a sealing cover 2, the top of the sealing cover 2 is provided with a feeding pipe 3 and an exhaust pipe 4, the top of the sealing cover 2 is fixedly provided with a motor 6, the power output shaft of the motor 6 is fixedly connected with a rotating shaft 7, the outer edge of the rotating shaft 7 is fixedly provided with a plurality of stirring blades 8, the inner wall of the stirring blade 8 is provided with a guide groove 9, the inner wall of the tank body 1 is fixedly provided with a filter screen 10, the inner wall of the tank body 1 is fixedly provided with an oil collecting groove 11, the outer edge of the rotating shaft 7 is fixedly provided with a brush head 12, and the oil collecting groove 11 is arranged below the filter screen 10.

[0028] ReferenceFigure 3 And Figure 4 One end of the spray pipe 13 is fixedly connected to the inner wall of the water tank 17, a water pump 16 is fixedly installed on the outer edge of the spray pipe 13, a plurality of spray heads 15 are fixedly connected to the outer edge of the spray pipe 13, and the end of the spray pipe 13 close to the spray head 15 is arranged in the inside of the tank body 1, so that the water pump 16 can be driven to discharge the cleaning liquid in the water tank 17 to the inside of the tank body 1 through the spray head 15, thereby cleaning the inner wall of the tank body 1.

[0029] Referring to Figure 3 And Figure 4 The spray pipe 13 is inserted into the inside of the sealing cover 2, a circular ring 18 is fixedly installed on the top of the sealing cover 2, the spray pipe 13 is arranged on the inner wall of the circular ring 18, two fixed clamps 14 are installed in the inside of the tank body 1, and the spray pipe 13 is installed in the inside of the two fixed clamps 14, so as to position the spray pipe 13 and prevent the spray pipe 13 from shaking during the spraying process of the spray head 15, and the circular ring 18 can protect the connection between the spray pipe 13 and the sealing cover 2.

[0030] Referring to Figure 1 The rotating hole is arranged on the inner wall of the filter screen 10 and the sealing cover 2, the rotating shaft 7 is rotatably connected to the inner wall of the rotating hole, and the outer edge of the brush head 12 is attached to the inner wall of the tank body 1, so that the rotating shaft 7 does not interfere with the filter screen 10 and the sealing cover 2 during rotation, thereby ensuring the stability of the filter screen 10 arranged in the tank body 1.

[0031] Referring to Figure 2 The inner wall of the oil collecting groove 11 is fixedly connected to the oil discharge pipe 5, and the electromagnetic valve is installed on the inner wall of the oil discharge pipe 5, so that the lubricating oil discharged into the tank body 1 after being filtered by the filter screen 10 can be discharged into the container through the oil discharge pipe 5 for storage, thereby avoiding the full load from flowing to the inner bottom of the tank body 1.

[0032] Referring to Figure 2 A plurality of supporting legs are fixedly installed on the bottom of the tank body 1, and the tank body 1 is fixedly connected to the slag discharge pipe, so that the tank body 1 can be stably placed on the ground, and the cleaned sewage can be discharged through the slag discharge pipe.

[0033] Referring to Figure 3 The inner bottom of the tank body 1 is provided with a limiting hole, and the bottom end of the rotating shaft 7 is rotatably connected to the inner wall of the limiting hole, so that the inner bottom of the tank body 1 can be limited, the stability of the rotating shaft 7 during rotation is ensured, and the position of the rotating shaft 7 is prevented from being easily deviated and shaken.

[0034] Working principle: when using the device, first, waste lubricating oil and flocculating agent can be put into the tank body 1 through the feeding pipe 3, then the motor 6 drives the rotating shaft 7 to rotate the stirring blade 8, so that the waste oil and the flocculating agent are fully mixed and form flocculation, the flocculation is settled under the action of gravity and separated through the filter screen 10, the oil flows into the oil collecting groove 11, the flocculation is deposited at the bottom of the tank body 1 and discharged through the slag discharge pipe, the water pump 16 drives the water tank 17 to discharge the cleaning liquid in the water tank 17 to the inside of the tank body 1 through the spray head 15, and then the cleaning liquid is used for cleaning the inner wall of the tank body 1, the brush head 12 rotates with the rotating shaft 7 to brush the inner wall of the tank body 1, and the sewage after cleaning is discharged through the slag discharge pipe.

[0035] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0037] The utility model has been described above in combination with specific embodiments, but those skilled in the art should know that these descriptions are exemplary, and are not a limitation on the protection scope of the utility model. Those skilled in the art can make various modifications and changes to the utility model according to the spirit and principle of the utility model, and these modifications and changes are also within the scope of the utility model.

Claims

1. A flocculation apparatus for treating waste lubricating oil, comprising a tank body (1) and a water tank (17), characterized in that, The top of the tank body (1) is provided with a sealing cover (2), the top of the sealing cover (2) is respectively provided with a feeding pipe (3) and an exhaust pipe (4), the top of the sealing cover (2) is fixedly provided with a motor (6), the power output shaft of the motor (6) is fixedly connected with a rotating shaft (7), the outer edge of the rotating shaft (7) is fixedly provided with a plurality of stirring blades (8), the inner wall of the stirring blade (8) is provided with a guide groove (9), the inner wall of the tank body (1) is fixedly provided with a filter screen (10), the inner wall of the tank body (1) is fixedly provided with an oil collecting groove (11), the outer edge of the rotating shaft (7) is fixedly provided with a brush head (12), and the oil collecting groove (11) is arranged below the filter screen (10).

2. The flocculation apparatus for treating used lubricating oil according to claim 1, wherein One end of the spray pipe (13) is fixedly connected with the inner wall of the water tank (17), the outer edge of the spray pipe (13) is fixedly provided with a water pump (16), the outer edge of the spray pipe (13) is fixedly communicated with a plurality of spray heads (15), and the end of the spray pipe (13) close to the spray head (15) is arranged in the tank body (1).

3. The flocculation apparatus for treating used lubricating oil according to claim 2, wherein The spray pipe (13) is inserted into the sealing cover (2), the top of the sealing cover (2) is fixedly provided with a circular ring (18), the spray pipe (13) is arranged in the inner wall of the circular ring (18), and the tank body (1) is provided with two fixed clamps (14).

4. The flocculation apparatus for treating used lubricating oil according to claim 1, wherein The inner wall of the filter screen (10) and the sealing cover (2) is provided with a rotating hole, the rotating shaft (7) is rotatably connected with the inner wall of the rotating hole, and the outer edge of the brush head (12) is attached to the inner wall of the tank body (1).

5. The flocculation apparatus for treating used lubricating oil according to claim 1, wherein The inner wall of the oil collecting groove (11) is fixedly communicated with an oil discharge pipe (5), and the inner wall of the oil discharge pipe (5) is provided with an electromagnetic valve.

6. The flocculation apparatus for treating used lubricating oil according to claim 1, wherein The bottom of the tank body (1) is symmetrically fixedly provided with a plurality of supporting legs, and the bottom of the tank body (1) is fixedly connected with a slag discharge pipe.

7. The flocculation apparatus for treating used lubricating oil according to claim 1, wherein The inner bottom of the tank body (1) is provided with a limiting hole, and the bottom end of the rotating shaft (7) is rotatably connected with the inner wall of the limiting hole.