Bag type filter screen structure

Abstract

The utility model relates to a bag-type filter screen structure which is provided with at least one bag-type filter screen, each bag-type filter screen comprises a frame body and a filter bag, the frame body is connected to a bag opening of the filter bag, and a connecting part is arranged on the outer side of the frame body and can be assembled with another bag-type filter screen; therefore, when the bag-type filter screen is mounted at the frame opening of the filter device, a plurality of bag-type filter screens can be spliced so as to adapt to the filter devices with different frame opening sizes; the frame body and the filter bag are respectively of a frame-shaped structure and a bag-shaped structure which are made of a waste fiber composition containing 95 wt% or more but less than 100 wt% of fiber bodies and the balance of an adhesive accounting for 100 wt% of the total weight of the waste fiber composition; wherein the fiber body is taken from residual or recycled waste materials with fibers, the waste materials are crushed to form fluffy cotton fibers, and the size of the fiber body is between 0.1 mm and 50 mm; the adhesive is an acrylic copolymer; and environmental protection benefits are achieved.

Description

[0001] Related Applications

[0002] The present application claims priority to the Chinese Utility Model Patent Application No. 202423078936.4, filed on December 13, 2024, and entitled "Bag Type Filter Screen Structure". TECHNICAL FIELD

[0003] The present utility model relates to a filter device, in particular to a bag type filter screen structure. BACKGROUND

[0004] In places such as hospitals, pharmaceutical factories, paint spraying rooms, office buildings, factories, dust-free rooms, computer rooms, etc. that have high clean air grades or do not allow fibers to fall off, even machine equipment such as gas turbine machines, in order to effectively filter dust to maintain a dust-free environment, air filtration equipment is provided. The air filtration equipment is provided with a bag type filter screen at the air inlet of the air conditioning box.

[0005] However, the size of the air inlet of the air conditioning box is not consistent, therefore, a bag type filter screen corresponding to the size of the air inlet cross-sectional area of the air conditioning box is usually provided at the air inlet of the air conditioning box, so that the air entering the air conditioning box can be effectively filtered.

[0006] The inventor designs a bag type filter screen structure that can be assembled according to the size of the air inlet, in view of the fact that the size of the air inlet of the air conditioning box varies. SUMMARY

[0007] The main purpose of the present utility model is to provide a bag type filter screen structure that can adjust the number of bag type filter screen assemblies according to the size of the air inlet of the air conditioning box.

[0008] Another main purpose of the present utility model is to provide a frame body and a filter bag made of the same material, which can be discarded and recycled together without the need for additional disassembly and classification processes. The fiber body used is obtained from remaining or recycled waste materials with fibers, which not only solves the problem of recycling waste materials with fibers, but also has a significant environmental benefit due to waste utilization.

[0009] The above-mentioned purpose of the present utility model is achieved by the following technology:

[0010] A bag-type filter screen structure is provided with at least one bag-type filter screen, which comprises a frame and a filter bag, the frame being connected to the bag mouth of the filter bag; the outer side of the frame is provided with a connecting part, which can be complementarily connected with the connecting part on the outer side of the frame of another bag-type filter screen; the frame is a frame structure made of a fiber body with a content of more than 95wt% but less than 100wt%, and a remaining percentage of acrylic copolymer; the filter bag is a bag structure made of a fiber body with a content of more than 95wt% but less than 100wt%, and a remaining percentage of acrylic copolymer; the fiber body is a fluffy cotton-like fiber body with a size of 0.1mm-50mm formed by crushing waste materials.

[0011] The bag-type filter screen structure as described above, wherein the connecting part comprises a plurality of notches and a plurality of protrusions, and the plurality of notches and the plurality of protrusions are alternately arranged in a notch-protrusion manner, and the shape of the notch corresponds to the shape of the protrusion.

[0012] The bag-type filter screen structure as described above, wherein the notch and the protrusion are in a corresponding iris shape.

[0013] The bag-type filter screen structure as described above, wherein an outer frame is arranged around the frame of the bag-type filter screen.

[0014] The bag-type filter screen structure as described above, wherein the outer frame is in a horizontal U shape with a notch facing the center of the bag-type filter screen.

[0015] The bag-type filter screen structure has the following advantages:

[0016] The bag-type filter screen structure can be complementarily connected with each other through the connecting parts on the edges of the frames of the bag-type filter screens, and can be connected to form a larger bag-type filter screen collection in multiple columns or rows, so as to adapt to the size of the air inlet of various air conditioning boxes, and has practical effect and economic benefit.

[0017] Since the frame and the filter bag are made of waste fiber composition, when the waste is recycled, the frame and the filter bag do not need to be disassembled and separated, and can be directly discarded and recycled, which is convenient and saves time and labor. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are for the purpose of illustration only and are not intended to limit the scope of the present disclosure in any way. Additionally, the shapes and relative sizes of the components in the drawings are merely intended to facilitate understanding of the present disclosure and are not specifically limited to those shapes and relative sizes. Those skilled in the art will appreciate that various possible shapes and relative sizes of the components can be used to implement the present disclosure as taught by the present disclosure.

[0019] Figure 1 is a perspective view of two bag-type filter screens of the present disclosure;

[0020] Figure 2 is a top view of a frame of a single bag-type filter screen of the present disclosure;

[0021] Figure 3 is a perspective view of a single bag-type filter screen of the present disclosure with an outer frame surrounding the frame;

[0022] Figure 4 is a side view of a single bag-type filter screen of the present disclosure with an outer frame surrounding the frame;

[0023] Figure 5 is a perspective view of a plurality of bag-type filter screens of the present disclosure assembled together and surrounded by an outer frame;

[0024] Figure 6 is a top view of a plurality of bag-type filter screens of the present disclosure assembled together and surrounded by an outer frame.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 100: bag-type filter screen;

[0027] 1: frame;

[0028] 11: connecting portion;

[0029] 111: notch;

[0030] 112: protrusion;

[0031] 2: filter bag;

[0032] 3: outer frame. DETAILED DESCRIPTION

[0033] The details of the present utility model can be more clearly understood in conjunction with the description of the drawings and the specific embodiments of the present utility model. However, the specific embodiments of the present utility model described herein are only used for the purpose of explaining the present utility model and cannot be understood as limiting the present utility model in any way. Under the guidance of the present utility model, any possible modification based on the present utility model can be conceived by the skilled person, and these should be considered as falling within the scope of the present utility model.

[0034] In order to more completely and clearly disclose the technical content, purpose and effects of the present utility model, the following detailed description is provided, and the accompanying drawings and reference numerals are also referred to:

[0035] Please refer to Figure 1 , which is a perspective view of the bag filter of the present utility model.

[0036] The bag filter structure of the present utility model comprises at least one bag filter 100, which comprises a frame 1 and a filter bag 2. The frame 1 is combined with the bag opening of the filter bag 2 by integral injection technology. The outer side of the frame 1 is provided with a connecting part 11 (see Figure 2 ). Two or more bag filters 100 can be connected to each other through the connecting part 11.

[0037] The frame 1 is a frame structure made of waste fiber composition, and the filter bag 2 is a bag structure made of waste fiber composition. The waste fiber composition contains more than 95 wt% but less than 100 wt% of fiber body, and the remaining weight percentage (100 wt% - fiber body wt%) of the waste fiber composition is adhesive, based on the total weight of the waste fiber composition being 100 wt%. The fiber body is obtained from residual or recycled waste containing fibers, and is crushed to form a fluffy cotton-like structure with a size of 0.1 mm to 50 mm. The adhesive is an acrylic copolymer.

[0038] The preparation of the waste fiber composition comprises the following steps: first, the residual or recycled waste containing fibers is crushed to form a fluffy cotton-like structure with a size of 0.1 mm to 50 mm. Then, based on the total weight of the waste fiber composition being 100 wt%, the fiber body of more than 95 wt% (including) but less than 100 wt% (not including) is mixed with the adhesive of the remaining weight percentage of the waste fiber composition.

[0039] As described above, the waste fiber composition is supplied to the extruder and is heated, melted, mixed and extruded to obtain a strip-shaped or sheet-shaped or plate-shaped molded product.

[0040] The extruder heating temperature is 90-180℃.

[0041] The molded product, which is in sheet or plate shape as described above, is formed by secondary stamping to create one of the following: frame, mesh, shell, or layer surface.

[0042] In addition, the obtained strip-shaped product can be granulated as a plastic masterbatch and then blown into a filter bag using a blown bag machine.

[0043] In one preferred embodiment of the bag-type filter structure of this utility model, the connecting portion 11 includes a plurality of notches 111 and a plurality of protrusions 112 (see reference). Figure 1 , Figure 2 Furthermore, multiple notches 111 and multiple protrusions 112 are respectively disposed on corresponding sides of the frame 1; that is, as shown in the figure. Figure 1 As shown, on the corresponding two sides of the frame 1, one side is provided with a notch 111 and the other side is provided with a protrusion 112; in this way, the notch 111 on one side of one bag filter 100 and the protrusion 112 on the other side of the other bag filter 100 can be interlocked and connected to form a bag filter structure with a larger area, which is in line with the size of the air inlet of the air conditioning unit.

[0044] The multiple notches 111 and protrusions 112 on each side of the frame 1 can also be arranged in an alternating pattern of one notch and one protrusion, thus achieving the same effect of longitudinally and laterally embedding and connecting multiple bag-type filter screens 100 to form a larger area bag-type filter screen structure; such as Figure 5 , Figure 6 As shown, multiple bag filters 100 are connected to each other via connecting parts 11 and arranged in series to form a collection of two columns and multiple rows.

[0045] In one preferred embodiment of the bag filter structure of this utility model, to facilitate the installation of the bag filter 100 at the air inlet of the air conditioning unit, an outer frame 3 is provided around the frame 1 of the bag filter 100. The cross-section of the outer frame 3 is a horizontal U-shape with the notch facing the center. Figure 3 , Figure 4 As shown.

[0046] And when Figure 5 , Figure 6 As shown, when multiple bag filters 100 are connected to each other via connecting parts 11 to form a collection of two columns and multiple rows, an outer frame 3 is provided around the outermost frame of the collection of multiple bag filters 100 to frame and fix the multiple interlocking bag filters 100, making it convenient to install at the air inlet of the air conditioning unit.

[0047] In the bag type filter screen structure of the utility model, the notches 111 and the protrusions 112 are in corresponding iris shapes, so that the horizontal separation between the bag type filter screens 100 can be prevented.

[0048] The bag type filter screen structure can be applied to filtering equipment in the fields of medical treatment, semiconductors, photoelectricity, electronics, laboratories, various coating, automobiles, spaceflight, etc.

[0049] The above-mentioned embodiments are only part of the embodiments of the utility model, and are not used to limit the utility model, and the embodiments formed by slightly changing and modifying the creative spirit and characteristics of the utility model should also be included in the patent protection range.

Claims

1. A bag-type screen structure, characterized by The bag-type filter screen structure is provided with at least one bag-type filter screen, which comprises a frame and a filter bag, and the frame is connected to the bag opening of the filter bag; the outer side of the frame is provided with a connecting part, which can be complementarily connected with the connecting part on the outer side of the frame of another bag-type filter screen; the frame is a frame structure made of more than 95wt% but less than 100wt% fiber body and the remaining weight percentage of acrylic copolymer; the filter bag is a bag structure made of more than 95wt% but less than 100wt% fiber body and the remaining weight percentage of acrylic copolymer; and the fiber body is a fluffy cotton-like fiber body with a size of 0.1mm-50mm formed by crushing waste materials.

2. The baghouse filter structure of claim 1, wherein, The connecting part comprises a plurality of notches and a plurality of protrusions, and the plurality of notches and the plurality of protrusions are arranged in a staggered manner with one notch and one protrusion.

3. The baghouse filter structure of claim 2, wherein, The notch and the protrusion are in a corresponding iris shape.

4. The bag-type screen structure of claim 1, 2 or 3, wherein, The frame of the bag-type filter screen is provided with an outer frame.

5. The baghouse filter structure of claim 4, wherein, The cross section of the outer frame is a horizontal U-shaped notch facing the center of the bag-type filter screen.

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