A reusable waste oil filter element and waste oil filtering device

Abstract

The utility model relates to a kind of waste oil filter element and waste oil filtering device capable of being reused, waste oil filter element includes shell, upper cover and center filter tube, shell is the cylindrical structure of bottom closed, top open, the bottom center position of shell is equipped with first through-hole, the bottom center position of shell is fixed with first clamping pipe, first clamping pipe is fixed in the periphery of first through-hole and located inside shell, the lower end of center filter tube is sealed and is equipped with outside first clamping pipe;The center position of upper cover is equipped with second through-hole, and the periphery of the second through-hole position of upper cover is fixed with second clamping pipe, and second clamping pipe is located inside upper cover, and upper cover is detachably connected at the top open place of shell, and second clamping pipe is sealed and is equipped with inside the upper end of center filter tube;Annular filter material filling space is formed between shell and center filter tube.The utility model can be detachably connected by upper cover and center filter tube with shell, fill filter material and use a cycle only need to replace filter material.

Description

Technical Field

[0001] This utility model relates to the field of physical filtration, separation and purification technology, specifically to a reusable waste oil filter element and waste oil filtration device. Background Technology

[0002] In production and daily life, various filter elements are ubiquitous. Conventional filter elements are for single use and generate a large amount of solid and hazardous waste. In the production of conventional filter elements, the cost of the shell is greater than the cost of the related filter material. Therefore, existing filter elements are expensive and generate a lot of waste. Utility Model Content

[0003] In order to solve one or more technical problems existing in the prior art, this utility model provides a reusable waste oil filter element and waste oil filtration device.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: This utility model provides a reusable waste oil filter element, including a shell, a top cover, and a central filter tube. The shell is a cylindrical structure with a closed bottom and an open top. A first through hole is opened at the center of the bottom of the shell, and a first retaining tube is fixed at the center of the bottom of the shell. The first retaining tube is fixed around the first through hole and located inside the shell. The lower end of the central filter tube is sealed and sleeved on the outside of the first retaining tube. A second through hole is opened at the center of the top cover, and a second retaining tube is fixed around the second through hole of the top cover. The second retaining tube is located inside the top cover. The top cover is detachably connected to the top opening of the shell, and the second retaining tube is sealed and sleeved on the inner side of the upper end of the central filter tube. An annular cylindrical filter media filling space is formed between the shell and the central filter tube.

[0005] The beneficial effects of this utility model are as follows: This utility model provides a reusable waste oil filter element. By detachably connecting the top cover and central filter tube to the outer shell, only the filter media needs to be replaced after one cycle of use. It is suitable for physical filtration, separation, and purification of various gases and liquids in petrochemical, machinery, water treatment, food and pharmaceutical processing, waste oil regeneration, natural gas, and air industries. This saves users operating costs and reduces the generation of solid and hazardous waste for society.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, the central filter tube is a circular tube, and the shell, the central filter tube, the first clamping tube, and the second clamping tube are all arranged coaxially.

[0008] The beneficial effects of adopting the above-mentioned further solution are: by arranging the various tubes coaxially, it is convenient to assemble and also facilitates the uniformity and stability of filtration.

[0009] Furthermore, a connecting ring is fixed to the inner side of the top open end of the housing, and the upper cover is fitted over the top open end of the housing and is detachably connected to the connecting ring by bolts.

[0010] The beneficial effect of adopting the above-mentioned further solution is that by setting the connecting ring edge, a stable connection between the shell and the top cover is facilitated.

[0011] Furthermore, the inner wall of the central filter tube is radially recessed outward near the upper end to form a first annular limiting groove. A first sealing ring is provided in the first annular limiting groove, and the upper inner wall of the central filter tube is sealed to the outer wall of the second clamping tube through the first sealing ring.

[0012] The beneficial effect of adopting the above-mentioned further solution is that by setting the first sealing ring, the central filter tube can be sealed and connected to the second clamping tube.

[0013] Furthermore, the inner wall of the central filter tube is radially recessed outward near the lower end to form a second annular limiting groove. A second sealing ring is provided in the second annular limiting groove, and the lower inner wall of the central filter tube is sealed to the outer wall of the first clamping tube through the second sealing ring.

[0014] The beneficial effect of adopting the above-mentioned further solution is that by setting a second sealing ring, the central filter tube can be sealed and connected to the first clamping tube.

[0015] Furthermore, a first filter hole is provided on the housing, and a second filter hole is provided on the central filter tube.

[0016] The beneficial effect of adopting the above-mentioned further solution is that by setting the first filter hole and the second filter hole, it is convenient for the filter medium to penetrate or penetrate.

[0017] Furthermore, the outer wall of the central filter tube is covered with a first filter cloth, and the inner wall of the housing is covered with a second filter cloth.

[0018] The beneficial effect of adopting the above-mentioned further solution is that by setting the first filter cloth and the second filter cloth, the medium to be filtered can be further filtered.

[0019] Furthermore, the first filter cloth has at least two layers, and the second filter cloth has at least two layers.

[0020] This utility model also provides a waste oil filtration device, including a reusable waste oil filter element as described in any of the above claims, and an assembly shell. An assembly cavity is formed in the assembly shell, and a vertically arranged filter tube is fixed in the assembly cavity. A third filter hole is opened on the filter tube. The waste oil filter element is installed in the assembly cavity. The central filter tube, the first retaining tube, and the second retaining tube are all sleeved on the filter tube. A waste oil inlet pipe is connected to the upper part of the assembly cavity, and a filtered oil outlet pipe is connected to the lower end of the filter tube.

[0021] The beneficial effects of this utility model are: the waste oil filtration device of this utility model enables the reuse of waste oil filter elements; after one cycle of use with the relevant filter media, only the filter media needs to be replaced. It is applicable to the physical filtration, separation, and purification of various gases and liquids in petrochemical, machinery, water treatment, food and pharmaceutical processing, waste oil regeneration, natural gas, and air industries. This saves users operating costs and reduces the generation of solid and hazardous waste for society.

[0022] Furthermore, the upper end of the filter tube is provided with a threaded connector, which passes through the second through hole and is connected and fixed to the upper cover by a gasket and a nut.

[0023] The beneficial effect of adopting the above-mentioned further solution is that by setting threaded joints, gaskets and nuts, the filter tube can be stably connected to the top cover. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the internal structure of the reusable waste oil filter element of this utility model; Figure 2 This is a schematic diagram of the internal structure of the waste oil filtration device of this utility model.

[0025] The attached diagram lists the components represented by each number as follows: 1. Housing; 11. First filter hole; 12. First retaining tube; 13. Connecting ring edge; 14. First through hole; 2. Central filter tube; 21. Second filter hole; 22. First sealing ring; 23. Second sealing ring; 3. Top cover; 31. Second retaining pipe; 32. Bolt; 33. Nut; 34. Washer; 35. Second through hole; 4. Assemble the outer shell; 41. Assemble the cavity; 42. Filter tube; 43. Third filter hole; 44. Waste oil inlet pipe; 45. Filter oil outlet pipe; 5. Filter media; 6. First filter cloth; 7. Second filter cloth. Detailed Implementation

[0026] The principles and features of this utility model are described below. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0027] Example 1 like Figure 1 and Figure 2 As shown, a reusable waste oil filter element of this embodiment includes a housing 1, a top cover 3, and a central filter tube 2. The housing 1 is a cylindrical structure with a closed bottom and an open top. A first through hole 14 is provided at the center of the bottom of the housing 1. A first retaining tube 12 is fixed at the center of the bottom of the housing 1. The first retaining tube 12 is fixed around the first through hole 14 and located inside the housing 1. The lower end of the central filter tube 2 is sealed and fitted outside the first retaining tube 12. A second through hole 35 is provided at the center of the top cover 3. A second retaining tube 31 is fixed around the second through hole 35 of the top cover 3. The second retaining tube 31 is located inside the top cover 3. The top cover 3 is detachably connected to the open top of the housing 1. The second retaining tube 31 is sealed and fitted inside the upper end of the central filter tube 2. An annular filter media filling space is formed between the housing 1 and the central filter tube 2 for filling filter media 5.

[0028] Specifically, in this embodiment, the central filter tube 2 is a circular tube, and the shell, central filter tube, first retaining tube 12, and second retaining tube 31 are all arranged coaxially. By arranging the various tubes coaxially, assembly is convenient, and the filtration stability is also improved.

[0029] like Figure 1 and Figure 2 As shown, in this embodiment, a connecting ring 13 is fixed to the inner side of the top open end of the housing 1. The upper cover 3 is fitted over the top open end of the housing 1 and is detachably connected to the connecting ring 13 by bolts 32. By providing the connecting ring, a stable connection between the housing and the upper cover is facilitated.

[0030] like Figure 1 As shown, specifically, the housing 1 in this embodiment has a first filter hole 11, and the central filter tube 2 has a second filter hole 21. The first filter hole 11 and the second filter hole 21 can be square holes or round holes, etc. By providing the first filter hole and the second filter hole, it is convenient for the filter medium to penetrate or penetrate.

[0031] like Figure 1 and Figure 2 As shown, in this embodiment, the outer wall of the central filter tube 2 is covered with a first filter cloth 6, and the inner wall of the housing 1 is covered with a second filter cloth 7. The first filter cloth 6 and the second filter cloth 7 can be made of geotextile or the like. By setting the first filter cloth and the second filter cloth, the medium to be filtered can be further filtered.

[0032] Preferably, the first filter cloth 6 is provided with at least two layers, and the second filter cloth 7 is provided with at least two layers.

[0033] In this embodiment, a reusable waste oil filter element can be used to allow the waste oil to be filtered to seep in from the outside of the housing 1 through the first filter hole 11, be filtered by the second filter cloth 7, the filter material 5 and the first filter cloth 6, and then enter the central filter tube 2 through the second filter hole 21, thus achieving waste oil filtration.

[0034] This embodiment presents a reusable waste oil filter element. By detachably connecting the top cover and central filter tube to the outer shell, only the filter media needs to be replaced after one cycle of use. It is suitable for physical filtration, separation, and purification of various gases and liquids in petrochemical, machinery, water treatment, food and pharmaceutical processing, waste oil regeneration, natural gas, and air industries. This saves users operating costs and reduces the generation of solid and hazardous waste for society.

[0035] Example 2 Based on Example 1, this example provides a preferred assembly scheme for the central filter tube 2. For example... Figure 1 and Figure 2 As shown, in this embodiment, the inner wall of the central filter tube 2 is radially recessed outward near its upper end to form a first annular limiting groove. A first sealing ring 22 is provided within the first annular limiting groove. The upper inner wall of the central filter tube 2 is sealed to the outer wall of the second retaining tube 31 through the first sealing ring 22. By providing the first sealing ring, the central filter tube and the second retaining tube can be sealed together.

[0036] like Figure 1 and Figure 2 As shown, in this embodiment, the inner wall of the central filter tube 2 is radially recessed outward near its lower end to form a second annular limiting groove. A second sealing ring 23 is provided within the second annular limiting groove. The lower inner wall of the central filter tube 2 is sealed to the outer wall of the first retaining tube 12 through the second sealing ring 23. By providing the second sealing ring, the central filter tube can be sealed to the first retaining tube.

[0037] Example 3 This embodiment provides a waste oil filtration device, including a reusable waste oil filter element as described in any of the previous embodiments, and an assembly housing 4. An assembly cavity 41 is formed within the assembly housing 4. A vertically arranged filter tube 42 is fixed within the assembly cavity 41, and a third filter hole 43 is provided on the filter tube 42. The waste oil filter element is installed in the assembly cavity 41. The central filter tube 2, the first retaining tube 12, and the second retaining tube 31 are all sleeved on the filter tube 42. A waste oil inlet pipe 44 is connected to the upper part of the assembly cavity 41, and a filter oil outlet pipe 45 is connected to the lower end of the filter tube 42. The waste oil inlet pipe 44 may be located above the filling area of ​​the filter media 5, not exceeding the upper end of the filter media 5 or flush with the upper end of the filter media. The filter oil outlet pipe 45 is located below the filling area of ​​the filter media 5.

[0038] like Figure 2 As shown, a further embodiment of this solution includes a threaded connector at the upper end of the filter tube 42. The threaded connector passes through the second through hole 35 and is connected and fixed to the upper cover 3 via a gasket 34 and a nut 33. By providing the threaded connector, gasket, and nut, the filter tube can be stably connected to the upper cover. The gasket 34 can cover the second through hole 35, and the gasket 34 can be made of rubber or plastic.

[0039] The waste oil filtration device in this embodiment can also be equipped with valves or pumps to ensure stable operation of the entire filtration device.

[0040] When the waste oil filtration device of this embodiment is in use, the waste oil to be filtered can be seeped into the outer periphery of the housing 1 through the first filter hole 11, filtered by the second filter cloth 7, filter material 5 and the first filter cloth 6, and then enter the central filter tube 2 through the second filter hole 21, and then enter the filter tube 42 through the third filter hole 43 on the filter tube 42, and then be discharged through the filtered oil outlet pipe 45.

[0041] The waste oil filtration device of this embodiment is now in normal use in the filtration and decolorization equipment for black heavy hydrocarbons and black waste engine oil, with good results, and can save 60% of the filter element cost.

[0042] The waste oil filtration device of this embodiment enables the reuse of waste oil filter elements. After one cycle of use with the relevant filter media, only the filter media needs to be replaced. It is applicable to the physical filtration, separation, and purification of various gases and liquids in petrochemical, machinery, water treatment, food and pharmaceutical processing, waste oil regeneration, natural gas, and air industries. This saves users operating costs and reduces the generation of solid and hazardous waste for society.

[0043] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "vertical", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0044] Furthermore, the terms "first" and "second" 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, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0047] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0048] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A reusable waste oil filter element, characterized in that, The device includes a housing, a top cover, and a central filter tube. The housing is a cylindrical structure with a closed bottom and an open top. A first through hole is formed at the center of the bottom of the housing, and a first retaining tube is fixed at the center of the bottom of the housing. The first retaining tube is fixed around the first through hole and located inside the housing. The lower end of the central filter tube is sealed and fitted onto the outside of the first retaining tube. A second through hole is formed at the center of the top cover, and a second retaining tube is fixed around the second through hole of the top cover. The second retaining tube is located inside the top cover. The top cover is detachably connected to the open top of the housing, and the second retaining tube is sealed and fitted onto the inner side of the upper end of the central filter tube. An annular cylindrical filter media filling space is formed between the housing and the central filter tube.

2. The reusable waste oil filter element according to claim 1, characterized in that, The central filter tube is a circular tube, and the shell, the central filter tube, the first clamping tube and the second clamping tube are all arranged coaxially.

3. The reusable waste oil filter element according to claim 1, characterized in that, A connecting ring is fixed to the inner side of the top open end of the housing, and the top cover is fitted over the top open end of the housing and is detachably connected to the connecting ring by bolts.

4. The reusable waste oil filter element according to claim 1, characterized in that, The inner wall of the central filter tube is radially recessed outward near the upper end to form a first annular limiting groove. A first sealing ring is provided in the first annular limiting groove. The upper inner wall of the central filter tube is sealed to the outer wall of the second clamping tube through the first sealing ring.

5. The reusable waste oil filter element according to claim 1, characterized in that, The inner wall of the central filter tube is radially recessed outward near the lower end to form a second annular limiting groove. A second sealing ring is provided in the second annular limiting groove. The lower inner wall of the central filter tube is sealed to the outer wall of the first clamping tube through the second sealing ring.

6. The reusable waste oil filter element according to claim 1, characterized in that, The housing has a first filter hole, and the central filter tube has a second filter hole.

7. The reusable waste oil filter element according to claim 1, characterized in that, The outer wall of the central filter tube is covered with a first filter cloth, and the inner wall of the housing is covered with a second filter cloth.

8. The reusable waste oil filter element according to claim 7, characterized in that, The first filter cloth has at least two layers, and the second filter cloth has at least two layers.

9. A waste oil filtration device, characterized in that, The invention includes a reusable waste oil filter element as described in any one of claims 1 to 8, and further includes an assembly housing, in which an assembly cavity is formed, and a vertically arranged filter tube is fixed in the assembly cavity, the filter tube having a third filter hole; the waste oil filter element is installed in the assembly cavity, the central filter tube, the first retaining tube, and the second retaining tube are all sleeved on the filter tube, the upper part of the assembly cavity is connected to a waste oil inlet pipe, and the lower end of the filter tube is connected to a filtered oil outlet pipe.

10. The waste oil filtration device according to claim 9, characterized in that, The upper end of the filter tube is provided with a threaded connector, which passes through the second through hole and is connected and fixed to the upper cover by a gasket and a nut.

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