Waste oil filtering device

Abstract

The utility model provides a waste oil filtering device, and relates to the technical field of waste oil recovery, the waste oil filtering device is provided with a filtering tank and a filter element, the filtering tank is provided with a first filtering tank and a second filtering tank, the filter element is provided with a first filter element and a second filter element, the first filter element is arranged in the first filtering tank, and the second filter element is arranged in the second filtering tank; each of the first filtering tank and the second filtering tank is provided with an input port and an output port, and the output ports of the first filtering tank and the second filtering tank are communicated with each other; the first filtering tank and the second filtering tank are also provided with purification ports; the first output port and the second output port are communicated with each other, and the first filtering tank and the second filtering tank are alternately used; under the driving of pressure, the filtered waste oil flows reversely, so that the first filter element and the second filter element are cleaned, the blockage of impurities to filter holes in the filter elements can be reduced, the service life of the filter elements can be prolonged, and the purification efficiency of the waste oil is improved.

Description

Technical Field

[0001] This application belongs to the technical field of waste oil recycling. More specifically, it relates to a waste oil filtering device. Background Art

[0002] During the production process of an internal mixer, a large amount of lubricating oil is required for sealing. After use, the lubricating oil contains impurities such as rubber particles and metal particles and becomes waste oil. A waste oil filtering device can remove the impurities in the waste oil and recycle the lubricating oil.

[0003] A waste oil filtering device mainly includes a filtering tank and a filter element. Driven by pressure, the waste oil enters the filtering tank, and the filter element filters the waste oil entering the filtering tank.

[0004] The existing waste oil filtering devices have the following disadvantages: Impurities such as rubber particles and metal particles gradually accumulate in the filtering tank, which will gradually block the filter holes of the filter element, resulting in low filtering efficiency; after the filter holes of the filter element are blocked, it needs to be replaced. The price of the filter element is high, and the replacement cost is high. Summary of the Invention

[0005] The purpose of the present utility model is to make up for the deficiencies of the existing technology and provide a waste oil filtering device. The technical solution adopted in this application is:

[0006] A waste oil filtering device is provided with a filtering tank and a filter element. The filtering tank is provided with a first filtering tank and a second filtering tank, and the filter element is provided with a first filter element and a second filter element. The first filter element is arranged in the first filtering tank, and the second filter element is arranged in the second filtering tank; both the first filtering tank and the second filtering tank are provided with an input port and an output port, and the output ports of the first filtering tank and the second filtering tank are communicated with each other; both the first filtering tank and the second filtering tank are also provided with a purification port.

[0007] Preferably, a purification pipeline is further provided. A purification valve is arranged on the purification pipeline. The purification pipeline is provided with a first purification pipeline and a second purification pipeline; the first purification pipeline is communicated with the purification port of the first filtering tank, and the second purification pipeline is communicated with the purification port of the second filtering tank.

[0008] Preferably, a purification flowmeter is further arranged on the purification pipeline.

[0009] Preferably, an output pipeline is further provided. An output valve is arranged on the output pipeline. The output ports of both the first filtering tank and the second filtering tank are communicated with the output pipeline.

[0010] Preferably, an output flowmeter is further arranged on the output pipeline.

[0011] Preferably, an input pipeline is further provided. The input ports of both the first filtering tank and the second filtering tank are communicated with the input pipeline; a switching valve is arranged on the input pipeline, and the switching valve controls the state of the input pipeline.

[0012] Preferably, the switching valve is a spherical valve.

[0013] The advantages of the present utility model are as follows:

[0014] The first output port and the second output port are interconnected, and the first filter tank and the second filter tank are used alternately; driven by pressure, the filtered waste oil flows reversely, achieving the cleaning of the first filter element and the second filter element, which can reduce the blockage of the filter holes on the filter element by impurities, thereby increasing the service life of the filter element and improving the purification efficiency of the waste oil;

[0015] An output flowmeter is further provided on the output pipeline. The flow condition of the output flowmeter can reflect the blockage condition of the filter element; according to the degree of decrease in the flow of the output flowmeter, the time for alternating between the first filter tank and the second filter tank is confirmed, which can further ensure the purification efficiency of the waste oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic diagram of the first filter tank filtering waste oil;

[0018] Figure 2 It is a schematic diagram of the second filter tank filtering waste oil.

[0019] Symbol Description in the Drawings:

[0020] 1 is a filter tank, 11 is the first filter tank, 111 is the first input port, 112 is the first output port, 113 is the first purification port, 12 is the second filter tank, 121 is the second input port, 122 is the second output port, 123 is the second purification port;

[0021] 2 is a filter element, 21 is the first filter element, 22 is the second filter element;

[0022] 3 is a purification pipeline, 31 is the first purification pipeline, 311 is the first purification valve, 312 is the first purification flowmeter, 32 is the second purification pipeline, 321 is the second purification valve, 322 is the second purification flowmeter;

[0023] 4 is an output pipeline, 41 is an output valve, 42 is an output flowmeter;

[0024] 5 is an input pipeline, 51 is a switching valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clearer and more understandable, the following further details this application in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0026] Now, the waste oil filtering device provided by the embodiment of this application will be described.

[0027] Embodiment

[0028] As Figure 1 and Figure 2 shown, a waste oil filtering device is provided with a filtering tank 1 and a filter element 2. The filtering tank 1 is provided with a first filtering tank 11 and a second filtering tank 12. The filter element 2 is provided with a first filter element 21 and a second filter element 22. The first filter element 21 is arranged in the first filtering tank 11, and the second filter element 22 is arranged in the second filtering tank 12. Both the first filtering tank 11 and the second filtering tank 12 are provided with an input port and an output port, and the output ports of the first filtering tank 11 and the second filtering tank 12 are communicated with each other. Both the first filtering tank 11 and the second filtering tank 12 are also provided with a purification port.

[0029] In this embodiment, the first filtering tank 11 is provided with a first input port 111, a first output port 112 and a first purification port 113. The second filtering tank 12 is provided with a second input port 121, a second output port 122 and a second purification port 123. The first output port 112 and the second output port 122 are communicated with each other.

[0030] The working mode of the waste oil filtering device is as follows:

[0031] Driven by pressure, waste oil enters the filtering tank 1, and the filter element 2 filters the waste oil entering the filtering tank 1.

[0032] The waste oil enters the first filtering tank 11 through the first input port 111. The first filter element 21 filters the waste oil entering the first filtering tank 11. Impurities such as rubber particles and metal particles are left in the first filtering tank 11. The waste oil is discharged through the first output port 112 and recycled. Impurities such as rubber particles and metal particles gradually accumulate in the first filtering tank 11, gradually blocking the filter holes on the first filter element 21, and the filtering efficiency decreases.

[0033] Switch the waste oil to the second filtering tank 12 for filtering, and open the first purification port 113. The waste oil enters the second filtering tank 12 through the second input port 121. The second filter element 22 filters the waste oil entering the first filtering tank 12. The first output port 112 and the second output port 122 are communicated with each other. Driven by pressure, the filtered waste oil flows reversely into the first filtering tank 11, extruding the waste oil accumulated in the first filtering tank 11 from the first purification port 113, and achieving the effect of cleaning the filter holes on the first filter element 21.

[0034] Then, close the first purification port 113. The waste oil, rubber compound particles, metal particles and other impurities filtered by the second filter element 22 are left in the second filter tank 12, and the waste oil is discharged through the second outlet 122 and recycled.

[0035] The rubber compound particles, metal particles and other impurities gradually accumulate in the second filter tank 12, gradually blocking the filter holes on the second filter element 22, reducing the filtration efficiency. Then, switch back to the first filter tank 11 for filtration, and open the second purification port 123. Driven by the pressure, the filtered waste oil flows reversely into the second filter tank 12, squeezing out the accumulated waste oil in the second filter tank 12 from the second purification port 123, and achieving the effect of cleaning the filter holes on the second filter element 22; close the second purification port 123, and the waste oil is discharged through the first outlet 112 and continues to be recycled.

[0036] The first outlet 112 and the second outlet 122 are interconnected, and the first filter tank 11 and the second filter tank 12 are used alternately; driven by the pressure, the filtered waste oil flows reversely, achieving the cleaning of the first filter element 21 and the second filter element 22, which can reduce the blockage of the filter holes on the filter element 2 by impurities, thereby increasing the service life of the filter element 2 and improving the purification efficiency of the waste oil.

[0037] A purification pipeline 3 is also provided. The purification pipeline 3 is provided with a first purification pipeline 31 and a second purification pipeline 32; the first purification pipeline 31 is communicated with the first purification port 113, and the second purification pipeline 32 is communicated with the second purification port 123.

[0038] A purification valve is provided on the purification pipeline 3, and the purification valve is used to control the communication state of the purification pipeline 3.

[0039] A purification flowmeter is also provided on the purification pipeline 3. The purification flowmeter can detect the flow rate of the waste oil flowing out of the purification port. When the waste oil flows reversely, it ensures that the accumulated waste oil in the filter tank 1 is completely discharged.

[0040] In this embodiment, the purification valve is provided with a first purification valve 311 and a second purification valve 312, and the purification flowmeter is provided with a first purification flowmeter 312 and a second purification flowmeter 322; the first purification valve 311 and the first purification flowmeter 312 are arranged on the first purification pipeline 31, and the second purification valve 312 and the second purification flowmeter 322 are arranged on the second purification pipeline 32.

[0041] An output pipeline 4 is also provided. An output valve 41 is provided on the output pipeline 4. Both the first outlet 112 and the second outlet 122 are communicated with the output pipeline 4; the output valve 41 can conveniently control the state of the output pipeline 4.

[0042] An output flowmeter 42 is also provided on the output pipeline 4. The flow condition of the output flowmeter 42 can reflect the blockage condition of the filter element 2. According to the degree of decrease in the flow rate of the output flowmeter 42, the time for alternating between the first filter tank 11 and the second filter tank 12 can be confirmed, which can ensure the purification efficiency of the waste oil.

[0043] An input pipeline 5 is also provided. The first input port 111 and the second input port 121 are both communicated with the input pipeline 5. A switching valve 51 is provided on the input pipeline 5. The switching valve 51 controls one of the first input port 111 and the second input port 121 to be communicated with the input pipeline 5. The switching valve 51 controls the switching of the waste oil filtration between the first filter tank 11 and the second filter tank 12. The first input port 111 is communicated with the input pipeline 5, and the waste oil enters the first filter tank 11 through the first input port 111 for filtration. The second input port 121 is communicated with the input pipeline 5, and the waste oil enters the second filter tank 12 through the second input port 121 for filtration.

[0044] The switching valve 51 adopts a spherical valve, which is convenient to operate.

[0045] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waste oil filtering device, comprising a filter tank and a filter element, characterized in that: The filter tank is provided with a first filter tank and a second filter tank, the filter element is provided with a first filter element and a second filter element, the first filter element is arranged in the first filter tank, and the second filter element is arranged in the second filter tank; the first filter tank and the second filter tank are both provided with an input port and an output port, and the output ports of the first filter tank and the second filter tank are connected with each other; the first filter tank and the second filter tank are also provided with a purification port; a purification pipeline is also provided, a purification valve is provided on the purification pipeline, and the purification pipeline is provided with a first purification pipeline and a second purification pipeline; the first purification pipeline is connected with the purification port of the first filter tank, and the second purification pipeline is connected with the purification port of the second filter tank; an output pipeline is also provided, an output valve is provided on the output pipeline, and the output ports of the first filter tank and the second filter tank are both connected with the output pipeline.

2. The waste oil filtering device according to claim 1, characterized in that: The purification pipeline is also provided with a purification flow meter.

3. The waste oil filtering device according to claim 1 or 2, characterized in that: An output flow meter is also provided on the output pipeline.

4. The waste oil filtering device according to claim 1 or 2, characterized in that: An input pipeline is also provided, and the input port of the first filter tank and the input port of the second filter tank are both connected to the input pipeline; a switching valve is provided on the input pipeline, and the switching valve controls the state of the input pipeline.

5. The waste oil filtering device according to claim 4, characterized in that: The switching valve is a spherical valve.

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