CN217773480U - Upper-lower integrated composite filter element - Google Patents

Abstract

The application discloses upper and lower integral type composite filter element relates to the filter core field, and it includes inner frame, outer skeleton, end cover, filter layer and adsorbed layer, is provided with solid baffle in the middle of the inner frame, and the filter layer is located between the inner frame and the outer skeleton of baffle top, and the adsorbed layer is located between the inner frame and the outer skeleton of baffle below. This application during operation, the filter core is installed in filtering the casing, former filtrating gets into from the upper portion cavity department of tube-shape inner frame, under the separation of solid baffle, filter through the filter layer on filter core upper portion, flow temporarily outside the filter core, adsorb through the adsorbed layer of filter core lower part again, flow back to inner frame lower part cavity, flow out in the inner frame again, obtain clean filtrating, the interior play of advancing of filtrating in this application, the top filter layer and the below adsorbed layer autonomous working of filter core, make composite filter's effect more high-efficient and specific, the great degree has improved composite filter's effect.

Description

Upper-lower integrated composite filter element

Technical Field

The application relates to the field of filter elements, in particular to an upper-lower integrated composite filter element.

Background

The filter element separates solid particles in liquid or gas, when fluid enters the filter element with a filter screen with a certain specification, impurities are blocked, and clean fluid flows out through the filter element, so that the purification or resource separation of the original fluid is realized, and the filter element has important significance in industrial production.

In some industries, such as food and beverage industries, it is necessary to filter and remove particulate impurities in a fluid (such as a PP filter element) and to adsorb and remove impurities such as organic matters and metal ions in the fluid (such as an activated carbon adsorption filter element). Filter core among the correlation technique, including the ectoskeleton and the inner frame of tube-shape, the tip of ectoskeleton and inner frame is provided with the end cover, is provided with filter layer and adsorbed layer between ectoskeleton and the inner frame, has possessed simultaneously and has filtered and absorbent function.

In view of the above, the inventor found that in the related art, composite filtration is achieved by covering the filter layer on the adsorption layer, and there is an interaction between filtration and adsorption, which results in a larger difference between the working effect of the composite filter element and the working effect of the filter element and the activated carbon adsorption filter element, and there is a place where improvement can be achieved.

SUMMERY OF THE UTILITY MODEL

In order to make composite filter element's effect more high-efficient and single, this application provides an upper and lower integral type composite filter element.

The application provides a top-down integral type composite filter element adopts following technical scheme:

the utility model provides an upper and lower integral type composite filter element, includes inner frame, exoskeleton, end cover, filter layer and adsorbed layer, be provided with solid baffle in the middle of the inner frame, the filter layer is located the baffle top the inner frame with between the exoskeleton, the adsorbed layer is located the baffle below the inner frame with between the exoskeleton.

Through adopting the above technical scheme, through the inner frame, the exoskeleton, the cooperation setting of end cover and baffle, set up the filter layer between the inner frame and the exoskeleton of baffle top, set up the adsorbed layer between the inner frame and the exoskeleton of baffle below, in operation, the filter core is installed in filter housing, former filtrating gets into from the upper portion cavity department of tube-shape inner frame, under the separation of solid baffle, filter through the filter layer on filter core upper portion, flow to outside the filter core temporarily, adsorb through the adsorbed layer of filter core lower part again, flow back to inner frame lower part cavity department, flow out again from the inner frame, obtain clean filtrating, the interior income of filtrating in this application, the upper filter layer and the below adsorbed layer autonomous working of filter core, make composite filter's effect more high-efficient and exclusive, composite filter's effect has been improved to a great extent.

Optionally, the filter layer includes filtering the main part, the both sides of filtering the main part all are provided with the non-woven fabrics that is used as water conservancy diversion layer and supporting layer, the non-woven fabrics dorsad one side of filtering the main part all is provided with the net layer that is used for providing fluid passage.

Through adopting above-mentioned technical scheme, set up the non-woven fabrics in the both sides of filtering the main part, set up the net layer in the non-woven fabrics outside, utilize the net layer to provide the fluid passage who supplies the filtrating business turn over, utilize the non-woven fabrics to realize water conservancy diversion and supported effect, be favorable to the filtration operation of filter layer.

Optionally, the adsorption layer includes an adsorption main body, and both sides of the adsorption main body are provided with filter cloth for preventing the adsorption main body from leaking.

Through adopting above-mentioned technical scheme, because the absorption major structure who chooses for use in the actual production is comparatively loose basically, sets up the filter cloth in the both sides of adsorbing the main part and prevents that the absorption main part from leaking, makes the design more comprehensive.

Optionally, the filter main body is a PP meltblown folded structure.

Through adopting above-mentioned technical scheme, filter the main part and be PP melt-blown cloth beta structure, can effectively filter the solid particle impurity of the overwhelming majority.

Optionally, the thickness of the filtering main body is 4 mm to 6 mm.

Through adopting above-mentioned technical scheme, the thickness more than or equal to 4 millimeters of filtering the main part, and less than or equal to 6 millimeters further promote the filter effect.

Optionally, the thickness of the grid layer is 2 mm to 3 mm.

By adopting the technical scheme, the thickness of the grid layer is more than or equal to 2 millimeters and less than or equal to 3 millimeters, and the operation effect of the grid layer is further ensured.

Optionally, the adsorption main body is formed by winding activated carbon fibers in multiple layers.

By adopting the technical scheme, the adsorption main body can effectively adsorb organic matters, metal ions and other impurities in the filtered filtrate through the adsorption main body formed by winding the activated carbon fiber in multiple layers.

Optionally, the thickness of the adsorption main body is 6 mm to 8 mm.

Through adopting above-mentioned technical scheme, the thickness more than or equal to 6 millimeters of absorption main part, and less than or equal to 8 millimeters further promote the adsorption effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the filter element is arranged between the inner framework and the outer framework above the partition plate through the matching of the inner framework, the outer framework, the end cover and the partition plate, the adsorption layer is arranged between the inner framework and the outer framework below the partition plate, when the filter element works, the filter element is arranged in the filter shell, original filtrate enters from the hollow part at the upper part of the cylindrical inner framework, is filtered by the filter layer at the upper part of the filter element under the obstruction of the solid partition plate, temporarily flows out of the filter element, is adsorbed by the adsorption layer at the lower part of the filter element, flows back to the hollow part at the lower part of the inner framework, and then flows out of the inner framework to obtain clean filtrate, the filtrate enters and exits from the inside in the application, and the upper filter layer and the lower adsorption layer of the filter element work independently, so that the effect of the composite filter element is more efficient and specific, and the effect of the composite filter element is improved to a greater extent;

2. the non-woven fabrics are arranged on the two sides of the filtering main body, the grid layers are arranged on the outer sides of the non-woven fabrics, fluid channels for filtrate to enter and exit are provided by the grid layers, and the non-woven fabrics are used for realizing the functions of diversion and support, so that the filtering operation of the filtering layer is facilitated;

3. as the adsorption main body structure selected in actual production is basically loose, the filter cloth is arranged on the two sides of the adsorption main body to prevent the adsorption main body from leaking, so that the design is more comprehensive.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram showing the internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram showing a filter layer structure in the embodiment of the present application.

Reference numerals: 1. an inner skeleton; 2. an outer skeleton; 3. an end cap; 4. a filter layer; 41. a filter body; 5. an adsorption layer; 51. an adsorption body; 6. a partition plate; 7. non-woven fabrics; 8. and (4) a grid layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an upper and lower integral type composite filter element.

Referring to fig. 1 and 2, the up-and-down integrated composite filter element comprises an inner framework 1, an outer framework 2, an end cover 3, a filter layer 4 and an adsorption layer 5.

Referring to fig. 1 and 2, an inner frame 1 and an outer frame 2 are both conventional PP frames, and end caps 3 are mounted at ends of the inner frame 1 and the outer frame 2. A solid partition plate 6 is welded in the middle of the inner framework 1 in a fusion mode, the filter layer 4 is arranged between the inner framework 1 and the outer framework 2 above the partition plate 6, and the adsorption layer 5 is arranged between the inner framework 1 and the outer framework 2 below the partition plate 6. During the use, install the filter core in filtering the casing, former filtrating gets into from the upper portion cavity of tube-shape inner frame 1, under the separation of baffle 6, filters through filter layer 4 on filter core upper portion, flows outside the filter core temporarily, and the adsorbed layer 5 of filter core lower part adsorbs again, flows back to the cavity in inner frame 1 lower part, flows out from inner frame 1 lower part cavity, obtains clean filtrating, and filter layer 4 and 5 independent workings of adsorbed layer effectively improve the filtration efficiency and the adsorption efficiency of filter core.

Referring to fig. 2 and 3, the filter layer 4 includes a filter body 41, and the filter body 41 may be a PP meltblown fabric folded structure with a precision of 5 μm, a porosity of 75-85%, a mass fraction of 15wt% -25wt%, and a thickness of greater than or equal to 4 mm, less than or equal to 6 mm, preferably 6 mm, and can filter out more than 99% of solid particulate impurities.

Further, both sides of the filtering main body 41 are wound with the non-woven fabric 7, and the side of the non-woven fabric 7 opposite to the filtering main body 41 is wound with the mesh layer 8. The non-woven fabric 7 can be a PP spun-bonded non-woven fabric, the mass fraction is 10 wt% -15wt%, the thickness is more than or equal to 1 mm, and less than or equal to 2 mm, and preferably 1 mm; the grid layer 8 can be a PP grid, the mass fraction is 3 wt% to 5wt%, and the thickness is greater than or equal to 2 mm, and less than or equal to 3 mm, and preferably 2 mm. The mesh layer 8 can provide a fluid passage, and the non-woven fabric 7 can play a role in guiding and supporting, and together form a beneficial foundation for the filtering operation of the filtering layer 4.

Referring to fig. 2 and 3, the adsorption layer 5 includes an adsorption body 51, the adsorption body 51 is formed by winding activated carbon fibers in a multilayer manner, the precision of the activated carbon fibers is 5 μm to 10 μm, the iodine adsorption value is 600 mg/g to 1500mg/g, the specific surface area is 6002/g to 1200m2/g, the mass fraction is 40 wt% to 50wt%, the number of winding layers is 5 to 10, the thickness is greater than or equal to 6 mm and less than or equal to 8 mm, preferably, the thickness is 8 mm, and the adsorption layer can effectively adsorb impurities such as pigments, metal ions and the like in water and achieve a residual chlorine removal rate of more than 90%.

Furthermore, both sides of the adsorption main body 51 are provided with filter cloth, the filter cloth can also be PP spun-bonded non-woven fabric, 2-3 layers are wound on both sides of the activated carbon fiber, the problem that the activated carbon fiber on the adsorption main body 51 leaks and falls is solved, and the design is more comprehensive.

The implementation principle of an upper and lower integral type composite filter element of the embodiment of the application is as follows: through inner frame 1, outer frame 2, end cover 3 and baffle 6's cooperation setting, set up filter layer 4 between inner frame 1 and outer frame 2 of baffle 6 top, set up adsorbed layer 5 between inner frame 1 and outer frame 2 of baffle 6 below, in operation, the filter core is installed in filtering the casing, former filtrating gets into from the upper portion cavity of tube-shape inner frame 1, under the separation of solid baffle 6, filter layer 4 through filter core upper portion filters, flow outside the filter core temporarily, adsorb through adsorbed layer 5 of filter core lower part, flow back to inner frame 1 lower part cavity, flow out in inner frame 1 again, obtain clean filtrating, go into interior play in the filtrating in this application, upper filter layer 4 and the below adsorbed layer 5 independent work of filter core, make the effect of composite filter more high-efficient and specific, the effect of composite filter has improved composite filter's effect to a great extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an upper and lower integral type composite filter element, includes inner frame (1), exoskeleton (2), end cover (3), filter layer (4) and adsorbed layer (5), its characterized in that: be provided with solid baffle (6) in the middle of inner frame (1), filter layer (4) are located baffle (6) top inner frame (1) with between exoskeleton (2), adsorbed layer (5) are located baffle (6) below inner frame (1) with between exoskeleton (2).

2. The one-piece composite filter element of claim 1, wherein: the filter layer (4) includes filters main part (41), the both sides of filtering main part (41) all are provided with non-woven fabrics (7) that are used as water conservancy diversion layer and supporting layer, non-woven fabrics (7) are dorsad one side of filtering main part (41) all is provided with net layer (8) that are used for providing fluid passage.

3. The one-piece composite filter element of claim 1, wherein: the adsorption layer (5) comprises an adsorption main body (51), and filter cloth for preventing the adsorption main body (51) from leaking is arranged on two sides of the adsorption main body (51).

4. The one-piece composite filter element of claim 2, wherein: the filtering main body (41) is of a PP melt-blown fabric folding structure.

5. An upper and lower integrated composite filter element according to claim 2, wherein: the thickness of the filtering main body (41) is 4 mm-6 mm.

6. The one-piece composite filter element of claim 2, wherein: the thickness of the grid layer (8) is 2 mm-3 mm.

7. An integral up and down composite filter element according to claim 3, wherein: the adsorption main body (51) is formed by winding activated carbon fiber in multiple layers.

8. An upper and lower integrated composite filter element according to claim 3, wherein: the thickness of the adsorption main body (51) is 6 mm-8 mm.

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