Folding anti-collapse backwashing fluid filter element

Abstract

The utility model discloses a folding anti-collapse backwashing fluid filter element which comprises an outer framework protecting net arranged on the outer side and an inner framework protecting net arranged on the inner side, a filter screen is arranged between the outer framework protecting net and the inner framework protecting net, and the filter screen is formed by enclosing a plurality of continuous filter screen concave curved surfaces and filter screen convex curved surfaces. A plurality of supporting frameworks are longitudinally arranged between the filter screen concave curved surface and the outer framework protecting net as well as between the filter screen convex curved surface and the inner framework protecting net; through the optimized and improved design of the industrial filter element, the filter screen structure of the industrial filter element is stable and folded without dead angles, the pressure resistance effect of the supporting framework is stronger, the matching effect of the supporting framework and the filter screen is further improved, and further the purposes of higher filtering precision, more thorough cleaning and lower cost are achieved. The stability and the service life of the filter element are further improved and prolonged.

Description

Technical Field

[0001] This utility model relates to the field of industrial filter technology, and more specifically, to a folded anti-collapse backwashing fluid filter. Background Technology

[0002] Industrial filter elements are indispensable key filtration equipment in industrial production, used to filter solid particles and liquid impurities during industrial processes to protect equipment operation and improve product quality. With the continuous development of industrial technology and increasingly higher demands for production efficiency and product quality, the importance of filter elements as a critical filtration device is becoming increasingly prominent. They are widely used in liquid purification processes, such as coal washing water, mine water filtration, underground drilling rig wastewater, underground tunnel sewage, and in industries such as industry, agriculture, steel mills, power plants, and chemicals.

[0003] However, current industrial filter elements have problems such as folded screens, dead corners, small filtration area, and low filtration efficiency. In addition, traditional conventional pleated filter elements have problems such as unsatisfactory cleaning effect, limited pressure, short service life, and some conventional pleated filter elements are prone to directly accumulating dirt under pressure, forming a whole, which makes them disposable consumables. Utility Model Content

[0004] In view of the above-mentioned technical problems in related technologies, this utility model proposes a folded anti-collapse backwashing fluid filter element, which can overcome the above-mentioned shortcomings of the prior art.

[0005] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows:

[0006] A pleated anti-collapse backwash fluid filter element;

[0007] The folded anti-collapse backwash fluid filter element includes an outer frame mesh on the outside and an inner frame mesh on the inside. A filter screen is provided between the outer frame mesh and the inner frame mesh. The filter screen is formed by several continuous concave curved surfaces and convex curved surfaces. Several supporting frames are longitudinally provided between the concave curved surfaces and the outer frame mesh, and between the convex curved surfaces and the inner frame mesh.

[0008] Furthermore, a plurality of external support frames for the filter screen are longitudinally arranged between the concave curved surface of the filter screen and the outer frame protective net, and a plurality of internal support frames for the filter screen are longitudinally arranged between the convex curved surface of the filter screen and the inner frame protective net.

[0009] Furthermore, both the outer support frame and the inner support frame of the filter screen are vertically arranged metal springs.

[0010] Furthermore, the opening and closing degree of the concave curved surface of the filter screen facing outward is greater than the opening and closing degree of the convex curved surface of the filter screen facing inward; the diameter of the metal spring serving as the outer support frame of the filter screen is greater than the diameter of the metal spring serving as the inner support frame of the filter screen.

[0011] Furthermore, the ends of both the concave curved surface and the convex curved surface of the filter screen are rounded.

[0012] Furthermore, the filter screen is a multi-layer sintered filter screen.

[0013] Furthermore, the multi-layer sintered filter screen is a five-layer sintered filter screen, which is integrally processed by a hydraulic punch press.

[0014] Furthermore, the outer skeleton protective mesh has a number of outer skeleton filter holes evenly and equidistantly distributed, and the inner skeleton protective mesh has a number of inner skeleton filter holes evenly and equidistantly distributed.

[0015] Furthermore, the diameter of the outer skeleton filter pore is greater than or equal to the diameter of the inner skeleton filter pore.

[0016] The beneficial effects of this utility model are as follows: Through the optimized and improved design of the product of this utility model, the filter screen structure of the industrial filter element is stable and folded without dead corners, and the pressure resistance of the support frame is stronger. The cooperation effect between the support frame and the filter screen is further improved, thereby achieving higher filtration accuracy, more thorough cleaning, and further improvement and extension of the stability and service life of the filter element. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a partial cross-sectional view of a folded anti-collapse backwashing fluid filter element according to an embodiment of the present invention;

[0019] Figure 2 This is a folded anti-collapse backwashing fluid filter element according to an embodiment of the present invention. Figure 1 A magnified view of a section at point A in the middle;

[0020] Figure 3 This is a front view of a folded anti-collapse backwashing fluid filter element according to an embodiment of the present invention;

[0021] In the diagram: 1. Outer frame mesh; 2. Inner frame mesh; 3. Outer support frame of the filter screen; 4. Inner support frame of the filter screen; 5. Filter screen; 6. Filter holes of the outer frame; 7. Filter holes of the inner frame; 8. Concave curved surface of the filter screen; 9. Convex curved surface of the filter screen. Detailed Implementation

[0022] 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 skilled in the art are within the protection scope of the present utility model.

[0023] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of 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 the embodiments of this utility model. 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, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0024] like Figure 1-3 As shown in the embodiment of this utility model, a foldable anti-collapse backwashing fluid filter element includes an outer frame mesh 1 disposed on the outer side and an inner frame mesh 2 disposed on the inner side. A filter screen 5 is provided between the outer frame mesh 1 and the inner frame mesh 2. The filter screen 5 is formed by several continuous concave curved surfaces 8 and convex curved surfaces 9 of the filter screen. Several supporting frames are longitudinally provided between the concave curved surfaces 8 and the outer frame mesh 1, and between the convex curved surfaces 9 and the inner frame mesh 2.

[0025] According to an embodiment of the present invention, a folded anti-collapse backwashing fluid filter element is provided. In a specific embodiment, a plurality of filter screen outer support frames 3 are longitudinally arranged between the inner concave curved surface 8 of the filter screen and the outer skeleton protective net 1, and a plurality of filter screen inner support frames 4 are longitudinally arranged between the outer convex curved surface 9 of the filter screen and the inner skeleton protective net 2.

[0026] According to an embodiment of the present invention, in a specific embodiment of a folded anti-collapse backwashing fluid filter element, both the outer support frame 3 and the inner support frame 4 of the filter screen are vertically arranged metal springs.

[0027] According to an embodiment of the present invention, in a specific embodiment of a folded anti-collapse backwash fluid filter element, the opening degree of the concave curved surface 8 of the filter screen facing outward is greater than the opening degree of the convex curved surface 9 of the filter screen facing inward; the diameter of the metal spring serving as the outer support frame 3 of the filter screen is greater than the diameter of the metal spring serving as the inner support frame 4 of the filter screen.

[0028] According to an embodiment of the present invention, in a specific embodiment of a folded anti-collapse backwashing fluid filter element, the ends of the concave curved surface 8 and the convex curved surface 9 of the filter screen are both rounded.

[0029] According to an embodiment of the present invention, in a specific embodiment of a folded anti-collapse backwashing fluid filter element, the filter screen 5 is a multi-layer sintered filter screen.

[0030] According to an embodiment of the present invention, a folded anti-collapse backwashing fluid filter element is provided. In a specific embodiment, the multi-layer sintered filter screen is a five-layer sintered filter screen, which is integrally processed by a hydraulic punch press.

[0031] According to an embodiment of the present invention, a folded anti-collapse backwashing fluid filter element is provided. In a specific embodiment, the outer skeleton mesh 1 has a plurality of outer skeleton filter holes 6 evenly and equidistantly distributed, and the inner skeleton mesh 2 has a plurality of inner skeleton filter holes 7 evenly and equidistantly distributed.

[0032] According to an embodiment of the present invention, in a specific embodiment of a folded anti-collapse backwashing fluid filter element, the diameter of the outer skeleton filter hole 6 is greater than or equal to the diameter of the inner skeleton filter hole 7.

[0033] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.

[0034] In practical use, the folded anti-collapse backwash fluid filter element according to this utility model includes components such as an outer skeleton guard net 1, an inner skeleton guard net 2, an outer support skeleton for the filter screen 3, an inner support skeleton for the filter screen 4, and a filter screen 5. The filter screen 5 is a folded structure without dead angles, consisting of several concave curved surfaces 8 and convex curved surfaces 9 of the filter screen. This folded structure of the filter screen 5 can provide a larger filtration area (the area of ​​a single filter element is more than 2.4 times larger than the filter screen area of ​​a traditional filter element), achieving a more efficient filtration effect within the limited space inside the filter element.

[0035] The filter screen 5 of this utility model preferably adopts a five-layer sintered filter screen. The five-layer sintered filter screen is shaped into filter element inner liner by a hydraulic punch under the support of a special mold. According to the direction of the fluid, a spring skeleton is added and vertically fitted between the outer convex curved surface 9 of the filter screen and the inner skeleton guard 2 as the inner support skeleton 4 of the filter screen.

[0036] On the inner and outer sides of the filter screen 5 of the five-layer sintered filter screen, the outer convex curved surface 9 and the inner concave curved surface 8 of the filter screen are respectively provided with an inner support skeleton 4 and an outer support skeleton as internal support layers. The inner skeleton guard net 2 and the outer skeleton guard net 1 are provided on the inner and outer surfaces of the filter screen 5 as surface protection layers. The inner skeleton guard net 2 and the outer skeleton guard net 1 can make the fluid be filtered evenly when passing through the filter element, reduce the possibility of fluid short circuit, and improve the thoroughness of filtration.

[0037] This invention solves the problems of unsatisfactory cleaning effect, limited pressure, short service life, and even some conventional pleated filter cartridges becoming disposable consumables after being compressed and directly stacked with dirt. The five-layer sintered filter screen 5, combined with the outer support frame 3, inner support frame 4, inner frame guard net 2, and outer frame guard net 1, offers advantages such as strong pressure resistance, high filtration accuracy, stable structure with no dead angles in the folding, more thorough cleaning, long filter cartridge service life, and strong product stability.

[0038] The five-layer sintered filter screen plays a vital role in various industrial fields due to its unique characteristics of high temperature resistance, high pressure resistance, high precision, and easy cleaning. Its advantages are particularly prominent in applications requiring high-precision filtration, such as coal washing water, mine water filtration, underground drilling rig wastewater, underground tunnel sewage, and in industries such as industry, agriculture, steel mills, power plants, and chemicals.

[0039] In summary, by utilizing the above-mentioned technical solution of this utility model and through the optimized and improved design of the product of this utility model, the filter screen structure of the industrial filter element is made stable and folded without dead angles, and the pressure resistance of the support frame is stronger, and the cooperation effect between the support frame and the filter screen is further improved, thereby achieving higher filtration accuracy, more thorough cleaning, and further improvement and extension of the filter element's stability and service life.

[0040] 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, improvements, etc., 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. A collapsed, collapse-resistant backflushing fluid filter cartridge, comprising: The filter screen (5) is composed of a plurality of continuous filter screen inner concave curved surface (8) and filter screen outer convex curved surface (9) enclosed, the filter screen inner concave curved surface (8) and the outer skeleton guard net (1) between and the filter screen outer convex curved surface (9) and the inner skeleton guard net (2) between are longitudinally provided with a plurality of support skeletons.

2. The collapsed, collapse-resistant backflushing fluid filter element of claim 1 wherein, The filter screen inner concave curved surface (8) and the outer skeleton guard net (1) between longitudinally are provided with a plurality of filter screen outer support skeletons (3), and the filter screen outer convex curved surface (9) and the inner skeleton guard net (2) between longitudinally are provided with a plurality of filter screen inner support skeletons (4).

3. The collapsed, collapse-resistant backflushing fluid filter element of claim 2 wherein, The filter screen outer support skeleton (3) and the filter screen inner support skeleton (4) are both vertically arranged metal springs.

4. The collapsed, collapse-resistant, backflushable fluid filter element of claim 3 wherein, The opening degree size of the filter screen inner concave curved surface (8) towards the outer side is greater than that of the filter screen outer convex curved surface (9) towards the inner side; the diameter size of the metal spring as the filter screen outer support skeleton (3) is greater than that of the metal spring as the filter screen inner support skeleton (4).

5. The collapsed, collapse-resistant backflushing fluid filter element of claim 1 wherein, The end of the filter screen inner concave curved surface (8) and the filter screen outer convex curved surface (9) is all rounded.

6. The collapsed, collapse-resistant backflushing fluid filter element of claim 1 wherein, The filter screen (5) is a multilayer sintered filter screen.

7. The collapsed, collapse-resistant backflushing fluid filter element of claim 6 wherein, The multilayer sintered filter screen is a five-layer sintered filter screen, which is integrally processed by a hydraulic punch.

8. The collapsed, collapse-resistant backflushing fluid filter element of claim 1 wherein, The outer skeleton guard net (1) is uniformly and equidistantly provided with a plurality of outer skeleton filter holes (6), and the inner skeleton guard net (2) is uniformly and equidistantly provided with a plurality of inner skeleton filter holes (7).

9. The collapsed, collapse-resistant backflushing fluid filter element of claim 8 wherein, The diameter size of the outer skeleton filter hole (6) is greater than or equal to that of the inner skeleton filter hole (7). The diameter size of the outer skeleton filter hole (6) is greater than or equal to that of the inner skeleton filter hole (7).

Images