A three-stage filter

Abstract

The utility model discloses a three -section filter relates to filter field, include: cylinder, upper head and lower head, and the detachable assembly through the lifting ring subassembly between cylinder and upper head, and cylinder and lower head are detachable assembly through bolt, the inside still be provided with filter core subassembly of cylinder, and the vertical of filter core subassembly is placed in the cylinder, and the bottom of filter core subassembly is assembled in the junction of cylinder and lower head respectively, the periphery of cylinder and lower head is provided with the jacket layer, and the hollow structure is formed to the outer surface of jacket layer, cylinder, lower head with heat preservation jar in material. The utility model divides filter into three -section design, is cylinder, upper head and lower head respectively, and three adopt detachable mode and assemble, when cleaning filter in later period, can three dismantle and wash respectively, make the cylinder of filter and bottom also can get the thorough cleaning, thereby improve the cleaning effect of filter.

Description

Technical Field

[0001] This utility model relates to the field of filters, and in particular to a three-stage filter. Background Technology

[0002] A filter is a device or system used to separate suspended solid particles, impurities, or other contaminants from a fluid. Its core principle is to utilize the porous structure of the filter medium, allowing fluid to pass through while retaining contaminants of a specific size, thereby achieving purification, refining, recovery, or protection of downstream equipment. Filters are widely used in water treatment, food and beverage, chemical and petrochemical, electronics and power, metallurgy, textiles, and automobile manufacturing, among other fields.

[0003] Existing filters, such as the filter device disclosed in Chinese Utility Model Patent Publication No. CN214075473U, include a filter cylinder, which comprises an upper cylinder, a middle partition, multiple filter elements, and a lower cylinder. The middle partition is disposed between the upper and lower cylinders and divides the cylindrical cavity into an upper cavity and a lower cavity, and the middle partition is provided with multiple through holes. The filter element comprises a hollow tube with an open upper end and a closed lower end, and a filter layer disposed around the hollow tube.

[0004] Most existing filters adopt a two-end structure, which includes a cylinder and an upper end cap. This structure is not convenient for thorough cleaning in the later stages, and it is difficult to maintain the temperature of the liquid in the tank. For special filter materials, for example, the liquid becomes viscous due to heat loss, making it difficult to achieve continuous filtration. Therefore, it cannot meet the needs of the current market. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a three-stage filter to solve the problems existing in the background art.

[0006] This utility model provides the following technical solution: a three-section filter, comprising: a cylinder, an upper end cap, and a lower end cap, wherein the cylinder and the upper end cap are detachably assembled by a lifting ring assembly, and the cylinder and the lower end cap are detachably assembled by bolts. The cylinder is further provided with a filter element assembly, which is vertically placed inside the cylinder, and the bottom of the filter element assembly is respectively assembled at the connection between the cylinder and the lower end cap. A jacket layer is provided around the outer perimeter of the cylinder and the lower end cap. The jacket layer, together with the outer surface of the cylinder and the lower end cap, forms a hollow structure to insulate the material in the tank.

[0007] Preferably, a rocker arm is rotatably mounted on the outer surface of the cylinder. The rocker arm has an L-shaped structure, with one end rotatably mounted on one side of the cylinder and the other end connected to a screw. The bottom of the screw is connected to an end cap, and the top of the screw is connected to a handle.

[0008] Preferably, the top of the upper end cap is provided with a gas pressurization port.

[0009] Preferably, the filter element assembly includes an upper plate, a lower plate, and a filter element. The upper plate has multiple insertion holes, and the lower plate has multiple washers that correspond one-to-one with the insertion holes. One end of the filter element is placed in the insertion hole and falls onto the washer. The top of the filter element is also provided with a boss. A connecting rod is also provided between the upper plate and the lower plate. A handle is also provided on the top of the upper plate.

[0010] Preferably, the lower plate is placed at the connection between the cylinder and the lower end cap to fix the filter element assembly by clamping it between the cylinder and the lower end cap.

[0011] Preferably, sampling ports are provided on the outer surface of the cylinder, the lower end cap, and the lower plate.

[0012] Preferably, the top of the cylinder is provided with a liquid inlet, and the bottom of the lower end cap is provided with a liquid outlet.

[0013] Preferably, the bottom of the lower end cap is also provided with multiple support legs.

[0014] Preferably, the lifting ring assembly includes a lower lifting lug, an upper lifting lug, a pin, a hinge bolt, and an annular nut. Several lower lifting lugs are provided and evenly arranged in the opposite direction along the circumference of the cylinder. Several upper lifting lugs are provided at the upper end cap and correspond one-to-one with several lower lifting lugs. The pin is inserted laterally into the lower lifting lug. The hinge bolt is inserted into the middle of the pin and located inside the lower lifting lug. The annular nut is threadedly connected to the hinge bolt, and its bottom is placed on the top surface of the upper lifting lug and abuts against the upper lifting lug.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model divides the filter into three sections: a cylindrical body, an upper end cap, and a lower end cap. These three sections are assembled in a detachable manner. When cleaning the filter later, the three sections can be disassembled and cleaned separately, so that the cylindrical body and the bottom of the filter can also be thoroughly cleaned, thereby improving the cleaning effect of the filter.

[0016] This utility model rotatably mounts the upper end cap above the cylinder body via a rocker arm and screw, achieving a suspended assembly between the upper end cap and the cylinder body. When disassembling the upper end cap, simply rotating the upper end cap is sufficient to separate it from the cylinder body, facilitating subsequent operations, greatly improving convenience, and reducing labor intensity.

[0017] This invention features a jacket layer around both the outer periphery of the cylinder and the lower end cap. The jacket layer, together with the outer surfaces of the cylinder and the lower end cap, forms a hollow structure. This hollow structure provides insulation for the filter. Simultaneously, a heat medium is introduced into the space between the jacket layer and the cylinder, which not only improves the insulation effect but also provides a heating effect, effectively preventing the material in the filter from gradually decreasing in temperature over time.

[0018] This utility model allows multiple filter elements to be independently inserted into the upper and lower plates. When one filter element needs cleaning or replacement, it can be handled separately without disassembling the entire filter element assembly. Furthermore, the protrusions prevent material leakage from the filter element during replacement, thus avoiding secondary pollution.

[0019] This invention features sampling ports in all directions (top, bottom, front, back, left, and right) of the filter, allowing for the collection of filtered samples from various locations during the filtration process, thereby improving the accuracy of the test data. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the filter of this utility model.

[0021] Figure 2 This is a schematic diagram of the internal structure of the filter of this utility model.

[0022] Figure 3 This is a schematic diagram of the filter element assembly structure of this utility model.

[0023] Figure 4 This is a schematic diagram of the lifting ring assembly structure of this utility model.

[0024] The attached diagram is labeled as follows: 1. Cylinder; 2. Upper end cap; 3. Lower end cap; 4. Lifting ring assembly; 5. Bolt; 6. Filter element assembly; 61. Upper plate; 611. Insertion hole; 62. Lower plate; 621. Washer; 63. Filter element; 64. Boss; 65. Connecting rod; 66. Handle; 7. Jacket layer; 8. Rocker arm; 9. Screw; 10. Handle; 11. Inert gas; 12. Liquid inlet; 13. Liquid outlet; 14. Sampling port; 15. Support leg. Detailed Implementation

[0025] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0026] This utility model provides a three-stage filter, such as Figure 1-4 As shown, it includes: a cylinder 1, an upper end cap 2, and a lower end cap 3. The cylinder 1 and the upper end cap 2 are detachably assembled via a lifting ring assembly 4, and the cylinder 1 and the lower end cap 3 are detachably assembled via bolts 5.

[0027] This application divides the filter into three sections: cylinder 1, upper end cap 2, and lower end cap 3. The three sections are assembled in a detachable manner. When cleaning the filter later, the three sections can be disassembled and cleaned separately, so that the cylinder and bottom (i.e., the lower end cap) of the filter can also be thoroughly cleaned, thereby improving the cleaning effect of the filter.

[0028] Furthermore, a filter element assembly 6 is also provided inside the cylinder 1. The filter element assembly 6 is vertically placed inside the cylinder 1, and the bottom of the filter element assembly 6 is respectively assembled at the connection between the cylinder 1 and the lower end cap 3. The filter element assembly 6 is used to filter the material input to the filter.

[0029] In this embodiment, the top of the upper end cap 2 is provided with an inert gas pressurization port 11, through which inert gas is introduced to prevent oxidation of the material and thus ensure the filtration effect. The top of the cylinder 1 is provided with a liquid inlet 12 for feeding material into the filter, and the bottom of the lower end cap 3 is provided with a liquid outlet 13 for discharging the filtered material. The bottom of the lower end cap 3 is also provided with multiple support legs 15.

[0030] In this embodiment, a jacket layer 7 is provided on the periphery of both the cylinder 1 and the lower end cap 3. The jacket layer 7 forms a hollow structure with the outer surfaces of the cylinder 1 and the lower end cap 3. This hollow structure is used to achieve the heat preservation effect of the filter. At the same time, a heat medium is introduced into the space formed between the jacket layer 7 and the cylinder 1, which can not only improve the heat preservation effect, but also achieve the heating effect, effectively preventing the material in the filter from gradually decreasing in temperature over time.

[0031] In this embodiment, a rocker arm 8 is rotatably mounted on the outer surface of the cylinder 1. The rocker arm 8 has an L-shaped structure, with one end rotatably mounted on one side of the cylinder 1 and the other end connected to a screw 9. The bottom of the screw 9 is connected to the upper end cap 2, and the top of the screw 9 is connected to a handle 10. The upper end cap 2 is rotatably mounted above the cylinder through the rocker arm 8 and the screw 9, achieving a suspended assembly between the upper end cap 2 and the cylinder 1. When disassembling the upper end cap 2, it is only necessary to rotate the upper end cap 2 to separate it from the cylinder 1, which facilitates subsequent operations, greatly improves convenience, and reduces labor intensity.

[0032] In this embodiment, the filter element assembly 6 includes an upper plate 61, a lower plate 62, and filter elements 63. The upper plate 61 has multiple insertion holes 611, and the lower plate 62 has multiple washers 621 corresponding to the insertion holes 611. One end of the filter element 63 is placed in the insertion hole 611 and falls onto the washer 621. The top of the filter element 63 is also provided with a boss 64. A connecting rod 65 is also provided between the upper plate 61 and the lower plate 62, and a handle 66 is also provided on the top of the upper plate 61. Multiple filter elements 63 are independently inserted into the upper plate 61 and the lower plate 62. When one filter element needs to be cleaned and replaced, it can be handled individually without disassembling the entire filter element assembly 6. Furthermore, the boss 64 prevents material leakage from the filter element 63 during replacement, thus avoiding secondary pollution. The lower plate 62 and the upper plate 61 are connected and assembled by the connecting rod 64. After multiple filter elements 63 are placed on the outside, multiple filter elements 63 can be directly extracted and placed into the filter at the same time through the handle 66. The operation is convenient, time-saving and labor-saving.

[0033] Furthermore, the lower plate 62 is positioned at the connection between the cylinder 1 and the lower end cap 3 to clamp and fix the filter element assembly 6. When assembling the filter, the filter element assembly 6 can be placed on the lower end cap 3 first, and then the cylinder 1 can be installed. While the cylinder 1 and the lower end cap 3 are being assembled, the lower plate 62 is clamped and fixed to firmly fix the filter element assembly 6 in the filter. There is no need to set up an additional device to fix the filter element assembly, which not only reduces the assembly process but also saves costs.

[0034] In this embodiment, sampling ports 12 are provided on the outer surfaces of the cylinder 1, the lower end cap 3, and the lower plate 62. Multiple sampling ports 12 are respectively placed in the up, down, front, back, left, and right directions of the filter, so as to collect filter samples at various positions in the filtration process and improve the accuracy of the detection data.

[0035] In this embodiment, the lifting ring assembly 4 includes a lower lifting lug 41, an upper lifting lug 42, a pin 43, a hinge bolt 44, and an annular nut 45. Several lower lifting lugs 41 are provided and evenly arranged in the opposite direction along the circumference of the cylinder 1. Several upper lifting lugs 42 are provided at the upper end cap 2 and correspond one-to-one with several lower lifting lugs 41. The pin 43 is inserted laterally into the lower lifting lug 41. The hinge bolt 44 is inserted into the middle of the pin 43 and located inside the lower lifting lug 41. The annular nut is threadedly connected to the hinge bolt 44, and its bottom is placed on the top surface of the upper lifting lug 42 and abuts against the upper lifting lug 42. When assembling the cylinder 1 and the upper end cap 2, place the upper end cap 2 on top of the cylinder 1 and make the upper end cap 2 and the cylinder 1 coaxial. At this time, the upper lifting lug 41 and the lower lifting lug 42 correspond one to one. Rotate the ring nut 45 to place it on the top surface of the upper lifting lug 42, and then rotate the ring nut 45. With the thread engagement between the ring nut 45 and the hinge bolt 44, it will gradually move downward until the bottom of the ring nut 45 abuts against the top surface of the upper lifting lug 42.

[0036] Several points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0037] The above description is only a preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. Any equivalent modifications or changes made by those skilled in the art based on the content disclosed in the present utility model should be included in the protection scope recorded in the claims.

Claims

1. A three-stage filter, characterized in that, include: The cylinder, upper end cap, and lower end cap are detachably assembled and disassembled with the upper end cap via a lifting ring assembly, and the cylinder and lower end cap are detachably assembled and disassembled with bolts. The cylinder also contains a filter element assembly, which is vertically placed inside the cylinder, and the bottom of the filter element assembly is respectively assembled at the connection between the cylinder and the lower end cap. A jacket layer is provided around the outer perimeter of the cylinder and the lower end cap. The jacket layer, together with the outer surface of the cylinder and the lower end cap, forms a hollow structure to insulate the material in the tank.

2. A three-stage filter according to claim 1, characterized in that: A rocker arm is rotatably mounted on the outer surface of the cylinder. The rocker arm has an L-shaped structure, with one end rotatably mounted on one side of the cylinder and the other end connected to a screw. The bottom of the screw is connected to an end cap, and the top of the screw is connected to a handle.

3. A three-stage filter according to claim 1, characterized in that: The top of the upper end cap is provided with a gas pressurization port.

4. A three-stage filter according to claim 1, characterized in that: The filter element assembly includes an upper plate, a lower plate, and a filter element. The upper plate has multiple insertion holes, and the lower plate has multiple washers that correspond one-to-one with the insertion holes. One end of the filter element is placed in the insertion hole and falls onto the washer. The top of the filter element is also provided with a boss. A connecting rod is also provided between the upper plate and the lower plate. A handle is also provided on the top of the upper plate.

5. A three-stage filter according to claim 4, characterized in that: The lower plate is placed at the connection between the cylinder and the lower end cap to fix the filter element assembly by clamping it between the cylinder and the lower end cap.

6. A three-stage filter according to claim 5, characterized in that: Sampling ports are provided on the outer surface of the cylinder, the lower end cap, and the lower plate.

7. A three-stage filter according to claim 1, characterized in that: The top of the cylinder is provided with a liquid inlet, and the bottom of the lower end cap is provided with a liquid outlet.

8. A three-stage filter according to claim 1, characterized in that: The bottom of the lower end cap is also provided with multiple support legs.

9. A three-stage filter according to claim 1, characterized in that: The lifting ring assembly includes a lower lifting lug, an upper lifting lug, a pin, a hinge bolt, and an annular nut. Several lower lifting lugs are provided and evenly distributed in the opposite direction along the circumference of the cylinder. Several upper lifting lugs are provided at the upper end cap and correspond one-to-one with several lower lifting lugs. The pin is inserted laterally into the lower lifting lug. The hinge bolt is inserted into the middle of the pin and located inside the lower lifting lug. The annular nut is threadedly connected to the hinge bolt, and its bottom is placed on the top surface of the upper lifting lug and abuts against the upper lifting lug.

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