Filtering device and filtering system

Abstract

The utility model relates to the technical field of filtering, and discloses a filtering device and a filtering system.The filtering device comprises a filtering piece, a first filtering piece and a second filtering piece, and the filtering piece is provided with a liquid inlet end, a first liquid outlet end and a second liquid outlet end and used for filtering liquid; the fixing assembly is fixedly connected to the liquid inlet end and / or the first liquid outlet end and / or the second liquid outlet end, and the fixing assembly is provided with a containing cavity and a first through hole communicating with the containing cavity and the filtering part; and the pressure sensing piece is fixed in the accommodating cavity and is used for detecting the pressure of the liquid. The pressure sensing pieces are arranged at the liquid inlet end, the first liquid outlet end and the second liquid outlet end, the pressure of liquid can be monitored in real time, when the pressure sensing pieces are used in cooperation with the back pressure valve, the opening degree of the back pressure valve can be controlled, and therefore it is guaranteed that the consistency of the liquid pressure is better when liquid of different batches is treated; the pressure sensing piece is fixed in the containing cavity of the fixing assembly, so that the pressure sensing piece can be prevented from reacting with the liquid, the filtering effect is not influenced, and the service life of the pressure sensing piece is not shortened.

Description

Technical Field

[0001] This utility model relates to the field of filtration technology, specifically to filtration devices and filtration systems. Background Technology

[0002] In a tangential flow filtration system, the feed liquid enters the filter from the storage tank. The feed liquid that passes through the filter membrane enters the collection tank, while the feed liquid that does not pass through the filter membrane is returned to the storage tank. A back pressure valve is installed between the outlet of the filter and the storage tank to regulate the liquid pressure of the feed liquid and maintain a stable pressure.

[0003] However, in existing tangential flow filtration systems, the opening of the back pressure valve needs to be manually adjusted, which makes it impossible to guarantee the consistency of liquid pressure when processing different batches of liquid. Utility Model Content

[0004] In view of this, the present invention provides a filtration device and filtration system to solve the problem that in the existing tangential flow filtration system, the opening of the back pressure valve needs to be manually adjusted, which cannot guarantee the consistency of liquid pressure when processing different batches of liquid.

[0005] In a first aspect, this utility model provides a filtration device, comprising:

[0006] A filter element, wherein the filter element is provided with an inlet end, a first outlet end and a second outlet end, for filtering liquid;

[0007] A fixing component is fixedly connected to the liquid inlet end and / or the first liquid outlet end and / or the second liquid outlet end. The fixing component is provided with a receiving cavity and a first through hole connecting the receiving cavity and the filter element.

[0008] A pressure sensor, fixed inside the receiving cavity, is used to detect the pressure of the liquid.

[0009] Beneficial effects: By installing pressure sensors at the inlet, first outlet, and second outlet, the liquid pressure can be monitored in real time. When used in conjunction with the back pressure valve, the opening of the back pressure valve can be controlled, thereby ensuring better consistency of liquid pressure when processing different batches of liquid. By fixing the pressure sensor in the receiving cavity of the fixed component, it is possible to prevent the pressure sensor from reacting with the liquid, which would affect the filtration effect and reduce the service life of the pressure sensor.

[0010] In one alternative implementation, the fixing component includes:

[0011] An infusion device is fixedly connected to the inlet end and / or the first outlet end and / or the second outlet end. The infusion device is provided with a hollow cavity for the liquid to flow through.

[0012] A fixing member is fixedly connected to the infusion device, and the fixing member is provided with the receiving cavity and the first through hole.

[0013] In one alternative embodiment, the filtration device includes:

[0014] The connector has one end fixedly connected to the inlet end and / or the first outlet end and / or the second outlet end, and the other end fixedly connected to the infusion device.

[0015] In one alternative embodiment, a seal is provided between the connector and the infusion fitting.

[0016] Beneficial effect: By setting a seal, liquid can be prevented from flowing out from the gap between the connector and the infusion unit, thus preventing inaccurate filtration results.

[0017] In one optional embodiment, the fixing component is provided with a second through hole connecting the receiving cavity to the outside, and a sealing element is provided in the second through hole for sealing the pressure sensing element.

[0018] Beneficial effects: By providing a second through hole, it is easy to place the pressure sensor inside the receiving cavity; by providing a sealing element, it is easy to confine the pressure sensor inside the receiving cavity and prevent the pressure sensor from falling out.

[0019] Secondly, this utility model also provides a filtration system, comprising:

[0020] Liquid storage tanks are used to store liquids.

[0021] A collection tank for collecting the filtered liquid;

[0022] In the aforementioned filtration device, the inlet end is connected to the storage tank, the first outlet end is connected to the collection tank, and the second outlet end is connected to the storage tank.

[0023] Beneficial effects: Since the filtration system includes a filtration device, it has the same effect as the filtration device, which will not be elaborated here.

[0024] In one alternative implementation, the filtration system includes:

[0025] A pressure regulating component is disposed between the second liquid outlet and the liquid storage tank;

[0026] And / or, a support assembly, fixedly connected to the support structure, for fixing the filter element;

[0027] And / or, a first weighing element is fixed below the liquid storage tank;

[0028] And / or, a second weighing element, fixed below the collection tank.

[0029] Beneficial effects: By setting up a pressure regulating component, the liquid pressure can be kept stable, thereby improving the filtration quality and filtration efficiency; by setting up a support component, the position of the filter element can be fixed, making it more convenient and safer to use; by setting up a first weighing component and a second weighing component, it can be used to determine whether filtration has ended and whether the filtration effect of the filter element meets the requirements.

[0030] In one alternative implementation, the support component includes:

[0031] Support members are fixedly connected to the support structure;

[0032] The clamping member has one end rotatably connected to the support member and the other end has an opening for clamping the filter element.

[0033] Beneficial effects: By rotating the clamping component to connect it to the support component, the position of the filter component can be adjusted, making it easy to use in conjunction with other structures.

[0034] In one optional embodiment, the clamping member includes a first clamping portion and a second clamping portion, wherein the first clamping portion and the second clamping portion are rotatably connected.

[0035] Beneficial effects: By rotating the first clamping part and the second clamping part together, it is possible to adapt to filter elements of different sizes.

[0036] In one optional embodiment, a reset member is provided between the first clamping part and the second clamping part;

[0037] And / or, a groove is provided on the side of the first clamping part opposite to the second clamping part, and the groove is adapted to the shape of the filter element.

[0038] Beneficial effects: By setting a reset component, the filter element can be clamped more securely and is less likely to fall off; by setting a groove, the fit between the clamping component and the filter element is better, and the clamping is more secure. Attached Figure Description

[0039] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0040] Figure 1 This is a schematic diagram of the structure of a filtration device according to an embodiment of the present utility model;

[0041] Figure 2 for Figure 1Exploded view of the filtration device shown;

[0042] Figure 3 This is a schematic diagram of the structure of a filtration system according to an embodiment of the present invention;

[0043] Figure 4 for Figure 3 A first-view structural schematic diagram of the support components and filter elements of the filtration system shown.

[0044] Figure 5 for Figure 3 The diagram shows a second-view structural schematic of the support components and filter elements of the filtration system.

[0045] Explanation of reference numerals in the attached figures:

[0046] 1. Filter element; 101. Liquid inlet; 102. First liquid outlet; 103. Second liquid outlet; 2. Fixing assembly; 201. Infusion component; 202. Fixing component; 3. Connecting component; 4. Sealing component; 5. Blocking component; 6. Storage tank; 7. Collection tank; 8. Pressure regulating component; 9. Support assembly; 901. Support component; 902. Clamping component; 10. First weighing component; 11. Second weighing component. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0048] The following is combined with Figures 1 to 5 The following describes embodiments of the present invention.

[0049] According to an embodiment of the present invention, a filtration device is provided, comprising: a filter element 1, the filter element 1 having an inlet end 101, a first outlet end 102 and a second outlet end 103, for filtering liquid; a fixing assembly 2, fixedly connected to the inlet end 101 and / or the first outlet end 102 and / or the second outlet end 103, the fixing assembly 2 having a receiving cavity and a first through hole connecting the receiving cavity and the filter element 1; and a pressure sensing element, fixed in the receiving cavity, for detecting the pressure of the liquid.

[0050] By installing pressure sensors at the inlet 101, the first outlet 102, and the second outlet 103, the liquid pressure can be monitored in real time. When used in conjunction with the back pressure valve, the opening of the back pressure valve can be controlled, thereby ensuring better consistency of liquid pressure when processing different batches of liquid. By fixing the pressure sensor in the receiving cavity of the fixing component 2, it is possible to prevent the pressure sensor from reacting with the liquid, which would affect the filtration effect and reduce the service life of the pressure sensor.

[0051] In one embodiment, the pressure sensing element is a pressure sensor. As an alternative implementation, the pressure sensing element may also be a piezoelectric sensor or a strain gauge, or other pressure sensing structures, without further limitation.

[0052] like Figures 1-2 As shown, in one embodiment, the inlet end 101, the first outlet end 102, and the second outlet end 103 of the filter element 1 are all fixedly connected to the fixing component 2. As an alternative implementation, it is also possible that only the inlet end 101 of the filter element 1 is fixedly connected to the fixing component 2, or only the first outlet end 102 of the filter element 1 is fixedly connected to the fixing component 2, or only the second outlet end 103 of the filter element 1 is fixedly connected to the fixing component 2, or only the inlet end 101 and the first outlet end 102 of the filter element 1 are fixedly connected to the fixing component 2, or only the inlet end 101 and the second outlet end 103 of the filter element 1 are fixedly connected to the fixing component 2. No further limitations are imposed here.

[0053] like Figure 2 As shown, in one embodiment, the fixing component 2 includes: an infusion component 201, fixedly connected to the inlet end 101, the first outlet end 102, and the second outlet end 103, the infusion component 201 having a hollow cavity for liquid to flow through; and a fixing component 202, fixedly connected to the infusion component 201, the fixing component 202 having a receiving cavity and a first through hole. As an alternative implementation, the infusion component 201 may be omitted, and the fixing component 202 may be directly fixedly connected to the side wall of the filter element 1.

[0054] like Figure 2As shown, in one embodiment, the fixing component 2 has a second through hole connecting the receiving cavity to the outside. A sealing element 5 is provided within the second through hole to seal the pressure sensor. The sidewall of the second through hole has internal threads, and the sealing element 5 is a screw threaded into the second through hole. The high-temperature resistant side of the pressure sensor is positioned near the first through hole, and the other side is positioned near the second through hole. The second through hole facilitates the placement of the pressure sensor within the receiving cavity; the sealing element 5 confines the pressure sensor within the receiving cavity, preventing it from falling out. Alternatively, the sealing element 5 can be a flat plate adapted to the cross-sectional shape of the second through hole, welded and fixed to the sidewall of the second through hole. Alternatively, the sidewall of the second through hole has a groove, and the sealing element 5 is a plug that extends into the second through hole and engages with the groove to form a fixed connection.

[0055] like Figure 2 As shown, in one embodiment, the filtration device includes a connector 3, one end of which is fixedly connected to the inlet end 101, the first outlet end 102, and the second outlet end 103, and the other end of which is fixedly connected to the delivery component 201. The connector 3 includes a two-way valve and a three-way valve. One end of the two-way valve is fixed to one end of the filter component 1, and the other end forms the inlet end 101. The first end of the three-way valve is fixed to the other end of the filter component 1, the second end forms the first outlet end 12, and the third end forms the second outlet end 13. Alternatively, the connector 3 may be omitted, and the delivery component 201 may be directly connected to the end of the filter component 1.

[0056] like Figure 2 As shown, in one embodiment, a sealing element 4 is provided between the connector 3 and the infusion unit 201. Both the connector 3 and the infusion unit 201 have grooves at their ends, and the sealing element 4 is fixed within these grooves; the sealing element 4 is a silicone ring. By providing the sealing element 4, liquid can be prevented from flowing out from the gap between the connector 3 and the infusion unit 201, thus preventing inaccurate filtration results. As an alternative implementation, the sealing element 4 can also be a rubber ring or other elastic material; no further limitations are imposed here.

[0057] According to an embodiment of the present invention, another aspect provides a filtration system, including: a storage tank 6 for storing liquid; a collection tank 7 for collecting filtered liquid; the above-mentioned filtration device has an inlet end 101 connected to the storage tank 6, a first outlet end 102 connected to the collection tank 7, and a second outlet end 103 connected to the storage tank 6.

[0058] like Figure 3As shown, in one embodiment, the filtration system includes a pressure regulating component 8, disposed between the second liquid outlet 103 and the liquid storage tank 6. The pressure regulating component 8 is a back pressure valve. By providing the pressure regulating component 8, the liquid pressure can be kept stable, thereby improving the filtration quality and filtration efficiency. As an alternative implementation, the pressure regulating component 8 can also be other pressure regulating structures such as a pressure stabilizing valve; no further limitations are imposed here.

[0059] like Figure 3 As shown, in one embodiment, the filtration system includes a support assembly 9, fixedly connected to a support structure, for fixing the filter element 1. The support structure is a housing, and a back pressure valve is fixed inside the housing. By providing the support assembly 9, the position of the filter element 1 can be fixed, making it more convenient and safer to use. As an alternative implementation, the support structure can also be other structures suitable for support; no further limitations are imposed here.

[0060] like Figures 4-5 As shown, in one embodiment, the support assembly 9 includes: a support member 901, fixedly connected to the support structure; and a clamping member 902, one end rotatably connected to the support member 901, and the other end having an opening for clamping the filter element 1. The support member 901 has a U-shaped cross-section, with its closed end fixedly connected to the support structure and its open end rotatably connected to the clamping member 902. By rotatably connecting the clamping member 902 to the support member 901, the position of the filter element 1 can be adjusted, facilitating its use in conjunction with other structures. Alternatively, the clamping member 902 can be fixedly connected to the support member 901.

[0061] like Figures 4-5 As shown, in one embodiment, the clamping member 902 includes a first clamping part and a second clamping part, which are rotatably connected. Further, a reset member is provided between the first clamping part and the second clamping part. The reset member is a torsion spring. By rotatably connecting the first clamping part and the second clamping part, different sizes of filter elements 1 can be accommodated; by providing the reset member, the clamping of the filter element 1 can be made more secure and less likely to fall off. Alternatively, the clamping member 902 can be an elastic member, with the first clamping part and the second clamping part clamping the filter element 1 using their own elastic force.

[0062] like Figures 4-5 As shown, in one embodiment, a groove is provided on the side opposite to the first clamping part and the second clamping part, and the groove is adapted to the shape of the filter element 1. Further, multiple grooves are provided on the first clamping part and the second clamping part, and the cross-sectional dimensions of the grooves are different. By providing grooves, the fit between the clamping member 902 and the filter element 1 is better, and the clamping is more secure. As an alternative implementation, the side opposite to the first clamping part and the second clamping part may be made of a flexible material to fit tightly against the sidewall of the filter element 1.

[0063] like Figure 3 As shown, in one embodiment, the filtration system includes: a first weighing element 10, fixed below the liquid storage tank 6; and a second weighing element 11, fixed below the collection tank 7. Both the first weighing element 10 and the second weighing element 11 are balances. By setting the first weighing element 10 and the second weighing element 11, it is possible to determine whether filtration has ended and whether the filtration effect of the filter element 1 meets the requirements. As an alternative implementation, the first weighing element 10 and the second weighing element 11 can also be other weighing structures such as weighbridges or scales; no further limitations are imposed here.

[0064] In one embodiment, the filtration system includes a control element fixed to the first liquid outlet 102 for controlling whether the first liquid outlet 102 is opened. When the filtration system is first used, the first liquid outlet 102 is closed, and the liquid flows through the filter element 1 and then flows back to the storage tank 6 until the liquid pressure stabilizes, at which point the first liquid outlet 102 is opened.

[0065] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A filtration device, characterized in that, include: The filter element (1) is provided with an inlet end (101), a first outlet end (102) and a second outlet end (103) for filtering liquid; A fixing component (2) is fixedly connected to the liquid inlet end (101) and / or the first liquid outlet end (102) and / or the second liquid outlet end (103). The fixing component (2) is provided with a receiving cavity and a first through hole connecting the receiving cavity and the filter element (1). A pressure sensor, fixed inside the receiving cavity, is used to detect the pressure of the liquid.

2. The filtration device according to claim 1, characterized in that, The fixing component (2) includes: An infusion unit (201) is fixedly connected to the inlet end (101) and / or the first outlet end (102) and / or the second outlet end (103). The infusion unit (201) is provided with a hollow cavity for the liquid to flow through. The fixing member (202) is fixedly connected to the infusion member (201), and the fixing member (202) is provided with the receiving cavity and the first through hole.

3. The filtration device according to claim 2, characterized in that, The filtration device includes: The connector (3) is fixedly connected at one end to the inlet end (101) and / or the first outlet end (102) and / or the second outlet end (103), and at the other end to the infusion component (201).

4. The filtration device according to claim 3, characterized in that, A sealing element (4) is provided between the connector (3) and the infusion unit (201).

5. The filtration device according to any one of claims 1 to 4, characterized in that, The fixing component (2) is provided with a second through hole that connects the receiving cavity to the outside. A sealing component (5) is provided in the second through hole to seal the pressure sensing component.

6. A filtration system, characterized in that, include: Storage tank (6), used for storing liquid; Collection tank (7) for collecting the filtered liquid; According to any one of claims 1 to 5, the inlet end (101) is connected to the storage tank (6), the first outlet end (102) is connected to the collection tank (7), and the second outlet end (103) is connected to the storage tank (6).

7. The filtration system according to claim 6, characterized in that, The filtration system includes: A pressure regulating component (8) is disposed between the second liquid outlet (103) and the liquid storage tank (6); And / or, support assembly (9), fixedly connected to support structure, for fixing the filter element (1); And / or, the first weighing element (10) is fixed below the liquid storage tank (6); And / or, a second weighing element (11) is fixed below the collection tank (7).

8. The filtration system according to claim 7, characterized in that, The support component (9) includes: Support member (901) is fixedly connected to the support structure; The clamping member (902) is rotatably connected to the support member (901) at one end and has an opening at the other end for clamping the filter element (1).

9. The filtration system according to claim 8, characterized in that, The clamping member (902) includes a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are rotatably connected.

10. The filtration system according to claim 9, characterized in that, A reset member is provided between the first clamping part and the second clamping part; And / or, the first clamping part is provided with a groove on the side opposite to the second clamping part, and the groove is adapted to the shape of the filter element (1).

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