An extract filter

Abstract

The utility model provides an extract liquid filter, the cross section of covering cylinder is installed with filter assembly, the filter assembly includes the support ring of installing on the inner wall of cylinder, the reinforcing rib of distribution setting in the inside of support ring, the mat type net of installing on the upper portion of support ring and covering support ring whole opening and the pressure plate of pressing in the upper portion of mat type net, pass to the optimization filter structure, clean structure and upper lid structure, guarantee structural stability, filter efficiency and the availability of reusing, especially suitable for high load or the extract liquid filtering scene of bigger viscosity, has promoted the practicability and economy of equipment whole, and the user is convenient to check maintenance and cleaning replacement in time in the cylinder, has solved the technical problem such as the filter efficiency and operation convenience of existing technology to be improved and the fixed structure of multiple adoption, difficult to realize quick maintenance and cleaning etc.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to an extract filter. Background Technology

[0002] In many fields such as chemical analysis, biopharmaceuticals, food testing, and environmental monitoring, sample pretreatment is a crucial step in ensuring the accuracy and reliability of analytical results. Among these steps, solid-liquid separation, which involves removing insoluble impurities such as particulate matter, precipitates, and cell debris from the extract or sample solution, is the most common and essential pretreatment process.

[0003] Chinese patent CN201720121162.X discloses a filter for traditional Chinese medicine extracts, comprising a stainless steel main body. The main body has an adjustment button, a temperature transducer made of hard plastic and high temperature resistant material, and an air inlet window mounted on its side. The temperature transducer is welded to the side of the main body, and the air inlet window is disposed through the temperature transducer. A level gauge, an observation window made of aluminum alloy shell, and a stainless steel handle are mounted on the outer surface of one side of the main body. The observation window is embedded in the center of the main body. The level gauge is welded to the side of the main body. This filter for traditional Chinese medicine extracts is reasonably designed, with a temperature transducer for convenient control of the internal temperature, and an observation window for easy viewing of the filtration status inside the stainless steel filter tank. It is highly practical and suitable for the production and use of filters for traditional Chinese medicine extracts, showing good development prospects.

[0004] However, the filtration efficiency and ease of operation of existing extraction liquid filtration equipment need to be improved; most of them adopt a fixed structure, making it difficult to achieve rapid maintenance and cleaning. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an extract filter. By optimizing the filtration structure, cleaning structure, and top cover structure, it ensures structural stability, filtration efficiency, and reusability. It is particularly suitable for high-load or high-viscosity extract filtration scenarios, improving the overall practicality and economy of the equipment. It also allows users to easily inspect, maintain, clean, and replace the contents of the filter cylinder in a timely manner. This invention solves the technical problems in existing technologies, such as the need to improve filtration efficiency and ease of operation, as well as the difficulty in achieving rapid maintenance and cleaning due to the prevalence of fixed structures.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An extract filter includes a cylindrical body, and a filter assembly is installed inside the cylindrical body covering the cross-section of the cylindrical body. The filter assembly includes a support ring installed on the inner wall of the cylindrical body, reinforcing ribs distributed inside the support ring, a woven mesh installed on the upper part of the support ring and covering the entire opening of the support ring, and a pressure plate pressed on the upper part of the woven mesh.

[0008] Preferably, the support ring is made of high-strength stainless steel.

[0009] Preferably, the thickness of the woven mesh is 1 mm and the mesh count is 40.

[0010] Preferably, the pressure plate is 3mm thick and made of stainless steel.

[0011] Preferably, the support ring, the woven mesh, and the pressure plate are connected by a number of bolts, which are tightened by cap nuts.

[0012] Preferably, the support ring, the woven mesh, and the pressure plate are connected by 20 M10×30mm bolts.

[0013] Preferably, the filter assembly is installed at an angle, with its high end near the top of the cylinder and its low end near the bottom of the cylinder. Preferably, at least two cleaning ball assemblies are provided on the side wall of the cylinder, and at least one set of cleaning ball assemblies is provided above and below the filter assembly for cleaning the filter assembly.

[0014] Preferably, the cleaning ball assembly includes a cleaning ball connected to an external water source interface, and spray holes are distributed on the cleaning ball so that high-pressure liquid output from the external water source interface is sprayed at high pressure through the spray holes.

[0015] Preferably, the diameter of the cleaning ball is 25 mm.

[0016] Preferably, the system also includes a top cover, which is detachably connected to the cylinder via a hinge assembly and a quick-release assembly, and the flange on the upper edge of the cylinder is fitted with a sealing ring to match the top cover.

[0017] Preferably, the hinge assembly connects the top cover and the cylinder body by hinge. The hinge assembly includes a lug and a pin. The lug is provided on the top cover and the cylinder body respectively. The pin passes through the lug of the top cover and the cylinder body.

[0018] Preferably, the top cover is connected to the cylinder via two sets of hinge assemblies.

[0019] Preferably, the hinge assembly is made of stainless steel.

[0020] Preferably, the quick-release assembly includes a lug fixedly installed on the top of the outer wall of the cylinder, a swivel bolt installed on the lug, a pressure iron sleeved on the swivel bolt, and a lifting nut fastened to the swivel bolt. The pressure iron is sleeved on the swivel bolt and engages with the upper cover. The lifting nut is tightened so that the pressure iron seals and presses the upper cover against the upper edge of the cylinder.

[0021] Preferably, the slip bolt is vertically positioned and the eye nut is located above the weight.

[0022] Preferably, the bottom of the pressure iron on the side facing the top cover is recessed upwards with a groove, and the top cover is provided with a corresponding protruding block. When the pressure iron is sleeved on the swivel bolt, the block is matched and locked in the groove.

[0023] Preferably, the top of the cover is provided with an exhaust port, the bottom of the cylinder is provided with a liquid outlet, the side wall is provided with a sight glass hand hole, the bottom of the cylinder is provided with a support leg, and the distance between the bottom of the support leg and the liquid outlet is 0.35m.

[0024] Preferably, the outriggers are made of stainless steel.

[0025] The beneficial effects of this utility model are as follows:

[0026] (1) This utility model optimizes the structure of the filter assembly and provides stable tension support for the filter screen through the support structure, thereby ensuring structural stability and filtration efficiency. Combined with the cleaning ball assembly arranged above and below, it facilitates thorough cleaning and ensures filtration efficiency for repeated use.

[0027] (2) This utility model, by matching and reasonably distributing the cleaning ball components on the upper and lower sides of the filter assembly, can achieve multi-angle, full-coverage rinsing, thoroughly remove residues on the filter screen, significantly improve the cleaning efficiency of the filter screen, reduce manual cleaning time, and extend the service life of the filter screen; in addition, the double cleaning ball design enhances the cleaning force, ensures the stability of the filtration effect, and is suitable for high-load or highly viscous extract filtration scenarios, improving the overall practicality and economy of the equipment. (3) This utility model, through its detachable top-opening cover design, can be easily opened, facilitating timely inspection, quick maintenance, cleaning, and replacement of the filter assembly and cleaning ball components, resulting in high operational convenience, reduced downtime, and improved work efficiency.

[0028] (4) The cover of this utility model can be quickly disassembled by means of a hinge assembly, a sealing gasket and a quick-opening assembly, while ensuring sealing and effectively preventing leakage.

[0029] In summary, the filter of this invention is particularly suitable for filtering extracts with high viscosity, achieving a filtration efficiency of over 95%, and reducing residue to below 0.1% after cleaning. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0031] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0032] Figure 3 for Figure 1 Enlarged view at point B in the middle;

[0033] Figure 4 for Figure 1 Enlarged view at point C;

[0034] Figure 5 This is a schematic diagram of the structure of the pressure iron in this utility model;

[0035] Figure 6 This is a schematic diagram of the structure of the edge of the top cover of this utility model. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] Example 1

[0040] like Figure 1-2 As shown, an extract filter includes a cylindrical body 1. A filter assembly 2 is installed inside the cylindrical body 1, covering the cross-section of the cylindrical body 1. The filter assembly 2 includes a support ring 21 installed on the inner wall of the cylindrical body 1, reinforcing ribs 22 distributed on the inner side of the support ring 21, a woven mesh 23 installed on the upper part of the support ring 21 and covering the entire opening of the support ring 21, and a pressure plate 24 pressed on the upper part of the woven mesh 23.

[0041] In this embodiment, by optimizing the structure of the filter component 2, the support structure consisting of the support ring 21, the reinforcing rib 22 and the pressure plate 24 provides stable tension support for the woven mesh 23, ensuring structural stability and filtration efficiency.

[0042] Preferably, the support ring 21 is made of high-strength stainless steel.

[0043] In this embodiment, the reinforcing rib 22 helps to enhance structural stability.

[0044] Preferably, the thickness of the woven mesh 23 is 1 mm and the mesh count is 40.

[0045] In this embodiment, the pressure plate 24 is 3mm thick and made of stainless steel, and is used to fix the woven mesh 23 and ensure that it remains taut during the filtration process.

[0046] As a preferred option, such as Figure 2 As shown, the support ring 21, the woven mesh 23, and the pressure plate 24 are connected by several bolts 25, which are tightened by cap nuts 26 to ensure a firm connection and facilitate disassembly and maintenance. Figure 4 As shown, preferably, the support ring 21, the woven mesh 23 and the pressure plate 24 are connected by 20 M10×30mm bolts 25.

[0047] As a preferred option, such as Figure 1 As shown, the filter assembly 2 is installed at an angle, with its high end close to the top of the cylinder 1 and its low end close to the bottom of the cylinder 1, further improving the filtration efficiency and filtration effect.

[0048] As a preferred option, such as Figure 1 As shown, the top of the upper cover 4 is provided with an exhaust port 71, the bottom of the cylinder 1 is provided with a liquid outlet 72, and the side wall is provided with a sight glass hand hole 73. The bottom of the cylinder 1 is provided with a support leg 8, and the distance between the bottom of the support leg 8 and the liquid outlet 72 is 0.35m.

[0049] In this embodiment, the support leg 8 is made of stainless steel to support the stable operation of the entire machine.

[0050] Example 2

[0051] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0052] like Figure 1 As shown, preferably, at least two cleaning ball assemblies 3 are provided on the side wall of the cylinder 1, and at least one set of cleaning ball assemblies 3 is provided above and below the filter assembly 2 to clean the filter assembly 2. In this embodiment, by matching and reasonably distributing the cleaning ball assemblies 3 on the upper and lower sides of the filter assembly 2, multi-angle and full-coverage rinsing can be achieved, facilitating thorough cleaning of the filter assembly 2, completely removing residues from the filter screen, significantly improving the cleaning efficiency of the filter screen, reducing manual cleaning time, and ensuring the filtration efficiency of the filter assembly 2 for repeated use and extending the service life of the filter screen.

[0053] In addition, the dual cleaning ball design enhances the cleaning power, ensuring the stability of the filtration effect. It is suitable for high-load or high-viscosity extract filtration scenarios, improving the overall practicality and economy of the equipment.

[0054] As a preferred option, such as Figure 1 As shown, the cleaning ball assembly 3 includes a cleaning ball 31, which is connected to an external water source interface. Spray holes are distributed on the cleaning ball 31, and the high-pressure liquid output from the external water source interface is sprayed at high pressure through the spray holes.

[0055] In this embodiment, the upper cleaning ball 31 is located at the top of the filter assembly 2 and is responsible for rinsing the upper surface of the pressure plate 24 and the woven mesh 23, while the lower cleaning ball 31 is located at the bottom of the filter assembly 2 and is responsible for rinsing the lower surface of the woven mesh 23 and the support ring 21. This achieves multi-angle full-coverage cleaning, thoroughly removing residual extract and impurities. In actual use, the cleaning time is generally 5-10 minutes, significantly reducing the need for manual cleaning and extending the service life of the filter assembly.

[0056] Preferably, the diameter of the cleaning ball 31 is 25 mm.

[0057] In this embodiment, the combined structure design of the filter assembly 2 and the cleaning ball assembly 3 makes the filter of this utility model particularly suitable for filtering extracts with high viscosity, with a filtration efficiency of over 95% and a residue reduced to below 0.1% after cleaning.

[0058] Example 3

[0059] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0060] like Figure 1 As shown, preferably, it also includes an upper cover 4, which is detachably connected to the cylinder 1 via a hinge assembly 5 and a quick-release assembly 6, in combination with... Figure 3-4 As shown, the flange 11 on the upper edge of the cylinder 1 is fitted with a sealing ring 12 to match the upper cover 4, ensuring the sealing performance of the upper cover 4 when closed and preventing leakage.

[0061] In this embodiment, the top cover 4 features a detachable top-opening design, allowing for easy opening and facilitating timely inspection, quick maintenance, cleaning, and replacement of the filter assembly 2 and cleaning ball assembly 3. This design offers high operational convenience, reduces downtime, and improves work efficiency. Notably, users can inspect the internal condition or replace the filter assembly 2 without tools, reducing opening time to less than 5 minutes, significantly enhancing the ease of use and maintenance efficiency of the equipment.

[0062] As a preferred option, such as Figure 3 As shown, the hinge assembly 5 connects the upper cover 4 and the cylinder 1 by hinge. The hinge assembly 5 includes a lug 51 and a pin 52. The lug 51 is provided on the upper cover 4 and the cylinder 1 respectively. The pin 52 passes through the lug 51 of the upper cover 4 and the cylinder 1.

[0063] In this embodiment, the upper cover 4 and the cylinder 1 are connected by a hinge assembly 5, a sealing ring 12 and a quick-opening assembly 6 to enable the upper cover 4 to be quickly disassembled, while ensuring sealing and effectively preventing leakage.

[0064] Preferably, the upper cover 4 is connected to the cylinder 1 via two sets of hinge assemblies 5.

[0065] Preferably, the hinge assembly 5 is made of stainless steel, which is corrosion-resistant and supports a 180° opening angle for easy operation.

[0066] As a preferred option, such as Figure 4As shown, the quick-release assembly 6 includes a lug 61 fixedly installed on the top of the outer wall of the cylinder 1, a swivel bolt 62 installed on the lug 61, a pressure iron 63 sleeved on the swivel bolt 62, and a lifting nut 64 fastened to the swivel bolt 62. The pressure iron 63 is sleeved on the swivel bolt 62 and engages with the upper cover 4. The lifting nut 64 is tightened so that the upper cover 4 is sealed and pressed against the upper edge of the cylinder 1 by the pressure iron 63.

[0067] Preferably, the snap bolt 62 is vertically arranged, and the eye nut 64 is located above the pressure iron 63.

[0068] As a preferred option, such as Figure 5 As shown, the bottom of the pressure iron 63, which faces the upper cover 4, is recessed upwards with a slot 60, as shown. Figure 6 As shown, the upper cover 4 has a corresponding upward protruding locking block 40, which, in conjunction with... Figure 4 As shown, when the pressure iron 63 is sleeved on the live bolt 62, the locking block 40 is matched and locked in the locking groove 60, thereby fixing the upper cover 4, preventing displacement and ensuring sealing.

[0069] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An extract filter comprising a cartridge (1), characterised in that, A filter assembly (2) is installed inside the cylinder (1) covering the cross-section of the cylinder (1). The filter assembly (2) includes a support ring (21) installed on the inner wall of the cylinder (1), reinforcing ribs (22) distributed on the inner side of the support ring (21), a woven mesh (23) installed on the upper part of the support ring (21) and covering the entire opening of the support ring (21), and a pressure plate (24) pressed on the upper part of the woven mesh (23).

2. An extract filter according to claim 1, wherein The support ring (21), the woven mesh (23) and the pressure plate (24) are connected by a number of bolts (25), which are fastened by cap nuts (26).

3. The extract filter of claim 1, wherein, The filter assembly (2) is installed at an angle, with its high end close to the top of the cylinder (1) and its bottom end close to the bottom of the cylinder (1).

4. The extract filter of claim 1, wherein, At least two cleaning ball assemblies (3) are provided on the side wall of the cylinder (1), and at least one set of the cleaning ball assemblies (3) is provided above and below the filter assembly (2) to clean the filter assembly (2).

5. An extract filter according to claim 4, wherein The cleaning ball assembly (3) includes a cleaning ball (31), which is connected to an external water source interface. Spray holes are distributed on the cleaning ball (31), and the high-pressure liquid output from the external water source interface is sprayed at high pressure through the spray holes.

6. An extract filter according to any one of claims 1 to 5, wherein It also includes an upper cover (4), which is detachably connected to the cylinder (1) via a hinge assembly (5) and a quick-release assembly (6). The flange (11) on the upper edge of the cylinder (1) is fitted with a sealing ring (12) to match the upper cover (4).

7. An extract filter according to claim 6, wherein The hinge assembly (5) connects the upper cover (4) and the cylinder (1) by hinge. The hinge assembly (5) includes a lug (51) and a pin (52). The lug (51) is provided on the upper cover (4) and the cylinder (1) respectively. The pin (52) passes through the lug (51) of the upper cover (4) and the cylinder (1).

8. The extract filter of claim 6, wherein, The quick-release assembly (6) includes a lug (61) fixedly installed on the top of the outer wall of the cylinder (1), a swivel bolt (62) installed on the lug (61), a pressure iron (63) sleeved on the swivel bolt (62), and a lifting nut (64) fastened to the swivel bolt (62). The pressure iron (63) is sleeved on the swivel bolt (62) and engages with the upper cover (4). The lifting nut (64) is tightened so that the upper cover (4) is sealed and pressed against the upper edge of the cylinder (1) by the pressure iron (63).

9. An extract filter according to claim 8, wherein, The bottom of the pressure iron (63) facing the upper cover (4) is recessed upward with a slot (60), and the upper cover (4) is provided with a corresponding protruding block (40). When the pressure iron (63) is sleeved on the live bolt (62), the block (40) is matched and locked in the slot (60).

10. The extract filter of claim 6, wherein, The top of the cover (4) is provided with an exhaust port (71), the bottom of the cylinder (1) is provided with a liquid outlet (72), and the side wall is provided with a sight glass hand hole (73). The bottom of the cylinder (1) is provided with a support leg (8), and the distance between the bottom of the support leg (8) and the liquid outlet (72) is 0.35m.

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