TWM625693U - Filter structure - Google Patents

Abstract

(無)

Description

Filter structure

The new model relates to a filter screen structure, in particular to a filter screen structure for filtering with a tubular adsorbent material.

Fan-Filter Unit (FFU), Make-up Air Unit (MAU) and other gas or liquid filter modules block the impurities and pollutants in the fluid through the filter screen. In order to achieve a good filtering effect, the filter material in the conventional filter screen has a dense structure, so as to reduce the speed of the fluid passing through the filter screen and prolong the contact time between the fluid and the filter material.

However, when the filter material in the filter screen is denser, it is more difficult for the fluid to pass through the filter screen, so more energy is required to pump the fluid, so it is difficult to achieve the goal of energy saving while maintaining a good filtering effect. In addition, the conventional filter can only be manufactured for a single filtration requirement. To achieve a more complex filtering effect, multiple filters of different materials must be configured, which is inconvenient to install, and the total size of the filter The volume is not easy to reduce.

In view of this, how to save energy without compromising the filtering effect and how to improve the flexibility of the filter screen configuration are still problems to be solved.

The purpose of this new model is to provide a filter screen structure, which can achieve excellent filtering effect while reducing energy consumption by flexibly configuring adsorbent materials of different structures.

An embodiment of the present invention provides a filter screen structure, which includes a frame body and a filter layer. The frame body is in the shape of a rectangular parallelepiped and surrounds the fixed filter layer. The filter layer includes a plurality of tubular adsorbents, the tubular adsorbents are arranged and stacked in parallel with each other, each tubular adsorbent has at least one channel, the channel is axially penetrated, and an inner diameter of the channel is 0.1 mm to 4.0 mm.

Accordingly, the filter mesh structure of the present invention uses a tubular adsorbent material, so it can achieve a good filtering effect under the condition of low pressure loss, thereby reducing the consumption of energy, and the filter mesh structure of the new type can be stacked according to requirements by stacking different structures. Tubular adsorbent material to achieve a more complex filtration effect.

According to the aforementioned filter screen structure, a length of each tubular adsorbent material may be 3 cm to 50 cm.

According to the aforementioned filter structure, each tubular adsorbent may have at least three of the pores, a central axis of one of the pores may be parallel to a central axis of the corresponding tubular adsorbent, and the rest of the pores may surround the pores. A channel and an equiangular distribution.

According to the aforementioned filter screen structure, an outer diameter of each tubular adsorbent material may be 2.0 mm˜9.0 mm.

The aforementioned filter screen structure may further include at least one rear filter layer, the frame body may surround and fix the rear filter layer, and the rear filter layer may be disposed on one side of the filter layer. The rear filter layer may comprise at least one tubular adsorbent layer or one fibrous adsorbent layer.

According to the aforementioned filter screen structure, the fibrous adsorbent material layer may be in the form of mesh interweaving.

According to the aforementioned filter screen structure, the tubular adsorbent material layer may include a plurality of rear-stage tubular adsorbent materials, the rear-stage tubular adsorbent materials may be arranged and stacked in parallel with each other, and each rear-stage tubular adsorbent material may have at least one channel extending axially.

According to the aforementioned filter screen structure, each rear-stage tubular adsorbent material may have at least three of the pores, and a central axis of one of the pores of each rear-stage tubular adsorbent material may be parallel to a central axis of the corresponding rear-stage tubular adsorbent material, The remaining pores in each rear-stage tubular adsorbent may surround one of the pores and be distributed equiangularly.

According to the aforementioned filter screen structure, an outer diameter of each rear-stage tubular adsorbent material may be 2.0 mm to 9.0 mm.

According to the aforementioned filter screen structure, an inner diameter of the pores of the tubular adsorbent material in each rear section may be 0.1 mm to 4.0 mm.

According to the aforementioned filter screen structure, the material of the latter tubular adsorbent can be selected from activated carbon, zeolite, carbon molecular sieve, silica gel molecular sieve, aerogel, molecular sieve of metal organic framework, molecular sieve of covalent organic framework, bentonite, mordenite , sepiolite, boron group element material, nitrogen group element material, metal, metal oxide material, organic-inorganic composite material and the group consisting of lithium molecular sieve.

According to the aforementioned filter screen structure, the material of the tubular adsorbent can be selected from activated carbon, zeolite, carbon molecular sieve, silica gel molecular sieve, aerogel, molecular sieve of metal organic framework, molecular sieve of covalent organic framework, bentonite, mordenite, The group consisting of sepiolite, boron group element material, nitrogen group element material, metal, metal oxide material, organic-inorganic composite material and lithium molecular sieve.

Various embodiments of the present invention are discussed in greater detail below. However, this embodiment may be the application of various novel concepts, which may be embodied in various specific scopes. The specific embodiments are for illustrative purposes only, and are not intended to limit the scope of the disclosure. In addition, to simplify the drawings, some well-known and conventional structures and elements are shown in a simplified and schematic manner in the drawings, and repeated elements may be denoted by the same numerals or similar numerals.

Please refer to FIG. 1 , which is a three-dimensional schematic diagram of a filter screen structure 100 according to an embodiment of the new model. The filter structure 100 includes a frame body 110 and a filter layer (not numbered). The frame body 110 is in the shape of a cuboid and surrounds the fixed filter layer. The filter layer includes a plurality of tubular adsorbents 120a, and the tubular adsorbents 120a are arranged in parallel with each other. stack.

Please also refer to FIG. 2A . FIG. 2A is a schematic three-dimensional view of a tubular adsorbent 120 a in the filter screen structure 100 of FIG. 1 . Each tubular adsorbent 120a has at least one channel 121a, the channel 121a is axially penetrated, and the channel 121a is used for fluid to pass through. When the fluid passes through the tubular adsorbent 120a, impurities and pollutants in the fluid will be adsorbed by the tubular adsorbent 120a, thereby achieving the purpose of filtering the fluid.

An inner diameter d of the channels 121a of each tubular adsorbent 120a is 0.1 mm˜4.0 mm, so as to ensure that the fluid can smoothly pass through the tubular adsorbent 120a without excessive pressure loss, thereby achieving the effect of energy saving. A length L of each tubular adsorbent 120a may be 3 cm˜50 cm, which can be adjusted according to the size of the filter screen structure 100 and the filtering requirements. An outer diameter D of each tubular adsorbent 120a can be 2.0 mm to 9.0 mm. By adjusting the ratio of the inner diameter d to the outer diameter D of the tubular adsorbent 120a, the ratio of the pores 121a in the filter layer can be changed, which is helpful for filtering. Balance between performance and energy consumption.

The material of the tubular adsorbent 120a can be selected according to filtration requirements, and can be selected from activated carbon, zeolite, carbon molecular sieve, silica gel molecular sieve, aerogel, molecular sieve of metal organic framework, molecular sieve of covalent organic framework, bentonite (bentonite). ), mordenite, sepiolite, boron group element materials, nitrogen group element materials, metals, metal oxide materials, organic-inorganic composite materials and lithium molecular sieves. The material 120a can adsorb different impurities or pollutants in the fluid, such as dust, volatile organic compounds, acidic substances, alkaline substances, condensate, impurities, moisture or oil, etc., and the tubular adsorption material 120a can further inhibit the The effects of microbial growth and sterilization in the fluid, but the present invention is not limited to this.

Please refer to FIGS. 2B and 2C. FIG. 2B is a three-dimensional schematic diagram of another tubular adsorption material 120b in the filter screen structure 100 of FIG. 1, and FIG. 2C is another tubular adsorption material in the filter screen structure 100 of FIG. 1. A perspective view of the material 120c. Each tubular adsorbent 120b, 120c may have at least three of the pores 121b, 121c, a central axis of one of the pores 121b, 121c may be parallel to a central axis of the corresponding tubular adsorbent 120b, 120c, and the rest of the pores The 121b and 121c may surround the one of the holes 121b and 121c and be distributed equiangularly. In FIG. 2B, the six holes 121b are taken as an example, among which the five holes 121b can be equiangularly distributed with the other hole 121b as the center. In FIG. 2C, the seven holes 121c are taken as an example, and the six holes 121c can be equiangularly distributed with another hole 121c as the center. It is worth noting that tubular adsorbents with different numbers of channels can be stacked in the filter layer at the same time, and the appropriate number of channels can increase the adsorption surface area, thereby improving the filtration efficiency.

Please refer to FIG. 3 . FIG. 3 is a three-dimensional schematic diagram of a filter screen structure 200 according to another embodiment of the novel. The filter screen structure 200 is similar to the aforementioned filter screen structure 100, the difference is that the filter screen structure 200 can further include at least one rear filter layer. The present invention is not limited to this. The frame body 210 can surround and fix the rear filter layer, and the rear filter layer can be arranged on one side of the filter layer. In this way, the rear filter layer can filter the fluid passing through the filter layer again, and the material and porosity of the rear filter layer can be adjusted, and the material and porosity of the rear filter layer do not need to be the same as those of the filter layer, so as to facilitate the removal of different impurities or pollutants. And the speed of the fluid passing through the filter layer and the rear filter layer is regulated to achieve the desired filtering effect.

The rear filter layer may include at least one tubular adsorbent layer or one fibrous adsorbent layer, a tubular adsorbent layer (not numbered) and a fibrous adsorbent layer 240 are used as examples here. Please pay special attention that in practical application, the setting range of the rear-stage tubular adsorbent and fibrous adsorbent can be adjusted arbitrarily, and a single rear-stage filter layer can also include the rear-stage tubular adsorbent and fibrous adsorbent at the same time, so this new model does not This is limited to the example in Figure 3.

The tubular adsorbent material layer may include a plurality of rear-stage tubular adsorbent materials 230, and the rear-stage tubular adsorbent materials 230 may be arranged and stacked in parallel with each other. The rear-stage tubular adsorbent 230 may have a structure of a single channel or a plurality of channels, so it will not be repeated here. A central axis of each tubular adsorbent 230 in the rear section can be parallel to a central axis of each tubular adsorbent 220 in the filter layer, so as to ensure that the fluid enters the tubular adsorbent 230 in the shortest path, which helps to reduce energy consumption.

Please refer to FIG. 4 , which is a schematic perspective view of the fibrous adsorbent layer 240 in the filter screen structure 200 of FIG. 3 . The fibrous adsorbent layer 240 can be woven from a plurality of fibers 241, in a mesh-like interweaving pattern, and forms a plurality of holes for fluid to pass through. It can be adjusted according to the filtering requirements, and the present invention is not limited to this.

In the following, pressure loss tests will be performed on the filter screen structures of the comparative example and the first to sixth embodiments. Among them, the comparative example is a conventional filter screen filled with granular adsorbent materials, and the outer diameter of the granular adsorbent materials is about 2.4 mm; the first to sixth embodiments are filter screen structures including different tubular adsorbent materials, The structural parameters of its tubular adsorbent are listed in Table 1 below: Table I Example Tubular Adsorbent Structure Number of channels Inner diameter of hole (mm) Outer diameter of tubular adsorbent (mm) one 1 0.8 2 two 1 2.1 4 three 6 1.7 6.6 Four 7 1.1 5.2 five 7 1.1 6.2 six 7 0.85 3.8

Please refer to FIG. 5 , which is a pressure loss test chart of the comparative example and the first embodiment. It can be seen from Figure 5 that under the same flow rate, the pressure loss of the comparative example is greater than that of the first embodiment, and when the flow rate is faster, the pressure loss gap between the comparative example and the first embodiment is more obvious, and the difference is more likely. more than six times. The novel filter screen structure can provide a shorter mass transfer path and a larger contact area by using a tubular adsorbent material, thereby reducing energy consumption and improving fluid filtration efficiency.

Please refer to FIG. 6 again. FIG. 6 is a pressure loss test chart of the second embodiment to the sixth embodiment. As can be seen from Figure 6, when the number of pores of the tubular adsorbent is larger (please refer to the experimental results of the second, third and fifth embodiments) or the pore size is smaller (please refer to the fourth embodiment and The experimental results of the sixth embodiment), the greater the pressure loss generated when the fluid passes; when the stacking density of the tubular adsorbent is higher (please refer to the experimental results of the fourth and fifth embodiments), the fluid passing through The resulting pressure loss will decrease. Therefore, depending on the filtration requirements, the inner diameter and outer diameter of the tubular adsorbent can be adjusted to make the fluid produce different pressure changes, thereby controlling the time for the fluid to pass through the tubular adsorbent and the energy used during filtration. More flexible in use.

To sum up, the filter structure of the present invention uses a tubular adsorbent material, so it can achieve a good filtering effect under the condition of low pressure loss, thereby reducing the consumption of energy, and the filter structure of the present invention can be stacked according to requirements. Tubular adsorbents with different structures to achieve a more complex filtration effect.

Although the present invention has been disclosed by the above examples, it is not intended to limit the present invention. Anyone who is familiar with this technology can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be determined by the scope of the appended patent application.

100,200: Filter structure 110,210: Frame 120a, 120b, 120c, 220: Tubular adsorbents 121a, 121b, 121c: Orifice 230: Tubular absorbent material in the rear section 240: fibrous adsorbent layer 241: Fiber d: inner diameter L: length D: outer diameter

In order to make the above-mentioned and other objects, features, advantages and embodiments of the present invention more clearly understood, the accompanying drawings are described as follows: FIG. 1 is a three-dimensional schematic diagram of a filter screen structure according to an embodiment of the new model; FIG. 2A is a schematic perspective view of a tubular adsorbent in the filter screen structure of FIG. 1; Fig. 2B is a perspective view of another tubular adsorbent in the filter screen structure of Fig. 1; FIG. 2C is a schematic perspective view of another tubular adsorbent in the filter screen structure of FIG. 1; FIG. 3 is a three-dimensional schematic diagram of a filter screen structure according to another embodiment of the new model; FIG. 4 is a schematic perspective view of a fibrous adsorbent layer in the filter screen structure of FIG. 3; FIG. 5 is a pressure loss test chart of the comparative example and the first embodiment; and FIG. 6 is a pressure loss test chart of the second embodiment to the sixth embodiment.

100: Filter structure

110: Frame

120a: Tubular adsorbent

Claims (12)

A filter structure, which includes: a frame body in the shape of a rectangular parallelepiped; and a filter layer, and the frame body surrounds and fixes the filter layer; Wherein, the filter layer includes a plurality of tubular adsorbents, the tubular adsorbents are arranged and stacked in parallel with each other, each of the tubular adsorbents has at least one channel, and the channel is axially penetrated; Wherein, an inner diameter of the hole is 0.1 mm to 4.0 mm. The filter screen structure according to claim 1, wherein a length of each of the tubular adsorbents is 3 cm to 50 cm. The filter structure according to claim 1, wherein each of the tubular adsorbents has at least three of the pores, a central axis of one of the pores is parallel to a central axis of the corresponding tubular adsorbent, and the rest The channels surround one of the channels and are equiangularly distributed. The filter screen structure according to claim 1, wherein an outer diameter of each of the tubular adsorbents is 2.0 mm to 9.0 mm. The filter screen structure according to claim 1, further comprising at least one rear filter layer, the frame body surrounds and fixes the rear filter layer, and the rear filter layer is arranged on one side of the filter layer; Wherein, the rear filter layer includes at least one tubular adsorption material layer or a fibrous adsorption material layer. The filter screen structure as claimed in claim 5, wherein the fibrous adsorbent layer is in the form of mesh interweaving. The filter screen structure according to claim 5, wherein the tubular adsorbent material layer comprises a plurality of rear-stage tubular adsorbent materials, the rear-stage tubular adsorbent materials are arranged and stacked in parallel with each other, and each of the rear-stage tubular adsorbent materials has at least one channel in the axial direction. wear. The filter structure according to claim 7, wherein each of the rear-stage tubular adsorbents has at least three of the pores, and a central axis of one of the pores of each of the rear-stage tubular adsorbents corresponds to the rear-stage tubular adsorbent. A central axis of the tube is parallel, and the remaining pores in each of the rear tubular adsorbents surround one of the pores and are equiangularly distributed. The filter screen structure according to claim 7, wherein an outer diameter of each of the rear tubular adsorbents is 2.0 mm to 9.0 mm. The filter screen structure according to claim 7, wherein an inner diameter of the pores of each of the rear-section tubular adsorbent materials is 0.1 mm to 4.0 mm. The filter screen structure according to claim 7, wherein the material of the latter tubular adsorbent is selected from activated carbon, zeolite, carbon molecular sieve, silica gel molecular sieve, aerogel, molecular sieve of metal organic framework, covalent organic framework The group consisting of molecular sieve, bentonite, mordenite, sepiolite, boron group element material, nitrogen group element material, metal, metal oxide material, organic-inorganic composite material and lithium molecular sieve. The filter screen structure according to claim 1, wherein the material of the tubular adsorbents is selected from activated carbon, zeolite, carbon molecular sieve, silica gel molecular sieve, aerogel, molecular sieve of metal organic framework, and molecular sieve of covalent organic framework. The group consisting of molecular sieve, bentonite, mordenite, sepiolite, boron group element material, nitrogen group element material, metal, metal oxide material, organic-inorganic composite material and lithium molecular sieve.

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