CN217391904U - Outdoor air filtering device - Google Patents

Abstract

The utility model relates to a be used for outdoor air filter, include: a shell and an air filter. Shutters are arranged on four sides of the shell and used for blocking large-size solid impurities, stainless steel meshes are arranged on the inner sides of the shutters, and non-woven fabrics are arranged on the side faces of the stainless steel meshes; and the air filter is arranged inside the shell and used for conveying the filtered air to equipment for compressing the air. Above-mentioned technical scheme is through addding the non-woven fabrics in the shutter inboard, carries out the prefilter of large granule impurity with outdoor air earlier through the shutter, and the rethread non-woven fabrics carries out the prefilter of small granule impurity, utilizes the water absorption characteristic of non-woven fabrics to carry out the preliminary drying back with the air simultaneously, among the rethread air cleaner. Through the prefiltering of shutter and non-woven fabrics, can reduce the dust that mix with in the air to air cleaner's influence to prolong air cleaner's life, delay the speed that air filtering performance reduces.

Description

Outdoor air filtering device

Technical Field

The application relates to the field of air purification, in particular to an outdoor air filtering device.

Background

In a large air compressor, the quality of the intake air is of great importance in the process of compressing air, and clean air plays a key role in the exertion of the optimal performance of the compressor. The large air compressor has a large air suction amount, and an air filter of the large air compressor needs to be designed and installed outdoors to improve the working performance of the large air compressor. However, the service life of the air filter is shortened due to more impurities such as outdoor dust, sand blown by the wind, rainwater, dew and the like, the performance of the compressor is reduced, and the gas production rate cannot meet the rated requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides an outdoor air filter device, which solves the problems of shortened service life and reduced air filtering performance of an air filter caused by impurities such as dust.

To achieve the above object, the present inventors provide an air filtering device for outdoor use, comprising: the air purifier comprises a shell, wherein shutters are arranged on four sides of the shell and used for blocking large-sized solid impurities, stainless steel nets are arranged on the inner sides of the shutters, non-woven fabrics are arranged on the side surfaces of the stainless steel nets and used for drying air and filtering small-particle impurities in the air;

and the air filter is arranged inside the shell and used for conveying the filtered air to the equipment for compressing the air.

In some embodiments, the stainless steel mesh is a double layer with the non-woven fabric disposed within the interlayer of the stainless steel mesh.

In some embodiments, a movable door is provided on one side of the louver for easy access to the air filtration device.

In some embodiments, the ratio of the area of the louvers on the side where the moveable door is located to the area of the side housing is 0.4-0.5: 1.

In some embodiments, the top of the housing is disposed obliquely, with the top edge of the housing protruding beyond the sides of the housing.

In some embodiments, the thickness of the nonwoven fabric is 20-25 mm.

In some embodiments, the thickness of the slats of the blind is between 0.8 mm and 1 mm.

In some embodiments, the mesh aperture of the stainless steel mesh is 10-12 mm.

In some embodiments, the ratio of the area of the louvers to the area of the sides of the housing is 0.8-0.9: 1.

In some embodiments, the stainless steel net is detachably connected with the non-woven fabric, and the stainless steel net is fixed on the shell through a wing nut.

Be different from prior art, above-mentioned technical scheme is through addding the non-woven fabrics in the shutter inboard, carries out the prefilter of large granule impurity with outdoor air earlier through the shutter, and the rethread non-woven fabrics carries out the prefilter of small granule impurity, utilizes the water absorption characteristic of non-woven fabrics to carry out the preliminary drying back with the air simultaneously, in the rethread air cleaner. Through the prefiltering of shutter and non-woven fabrics, can reduce the dust that mix with in the air to air cleaner's influence to prolong air cleaner's life, delay the speed that air filtering performance reduces.

The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, further, the present invention can be implemented according to the contents described in the text and the drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description will be made in conjunction with the detailed description of the present application and the drawings.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a bottom cross-sectional view of an embodiment of an outdoor air filtration unit;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a rear sectional view of an embodiment of an outdoor air filter assembly;

FIG. 4 is a rear view of an air filtration device for outdoor use according to an embodiment;

fig. 5 is a left side perspective view of an air filter device for outdoor use according to an embodiment.

The reference numerals referred to in the above figures are explained below:

1. a housing;

101. a first housing side;

102. a second housing side;

11. a top portion;

111. a top edge;

12. a blind window;

121. a first louver;

122. a second louver;

13. non-woven fabrics;

14. a stainless steel mesh;

141. a first layer of stainless steel mesh;

142. a second layer of stainless steel mesh;

15. a movable door;

2. an air filter;

21. an air inlet;

22. a main chamber;

23. and an air outlet.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless otherwise defined, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended to describe specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

Referring to fig. 1, the present embodiment provides an outdoor air filtering device, which includes a housing 1 and an air filter 2. The louver 12 is arranged on the four sides of the shell 1, the louver 12 is used for blocking large-size solid impurities, the stainless steel mesh 14 is arranged on the inner side of the louver 12, the non-woven fabric 13 is arranged on the side surface of the stainless steel mesh 14, and the non-woven fabric 13 is used for drying air and filtering small-particle impurities in the air; an air filter 2 is arranged inside the housing 1, the air filter 2 being used for delivering filtered air to the equipment for compressing air.

The four sides of the shell 1 are provided with the shutters 12, the shutters 12 can be commercially available products, optionally, the shutters 12 are made of metal materials, and the outer frame of the shutters 12 can be made of stainless steel or section steel. The structure of the louver 12 can prevent large particle impurities, rain water and the like from entering the inside of the housing 1, and roughly filter air. The inner side of the shutter 12 is provided with a stainless steel net 14, and the side surface of the stainless steel net 14 is provided with a non-woven fabric 13. The stainless steel net 14 is used for fixing the non-woven fabric 13 to be flatly spread and distributed on the stainless steel net 14, so that air can be filtered conveniently.

The non-woven fabric 13 can be arranged on the interlayer between the shutter 12 and the stainless steel net 14, so that the non-woven fabric 13 can be fixed conveniently; the nonwoven 13 may also be provided on the side of the stainless steel mesh 14 remote from the blind 12, which is held flat on the stainless steel mesh 14 by means of a holding member, such as a clip or the like. The non-woven fabrics 13 are used for carrying out the primary filter to the air that gets into in the shutter 12, and non-woven fabrics 13 are arranged in the tiny particle impurity of filtered air, carry out the primary drying to the air and handle. Air enters the air filter 2 through the nonwoven fabric 13.

The air filter 2 comprises an air inlet 21, a main chamber 22 and an air outlet 23, the main chamber 22 being used for placing air filter components. The main chamber 22 is arranged at the upper part of the inner side of the shell 1, the side surface of the main chamber 22 is provided with an air inlet 21 corresponding to the direction of the louver 12, and the bottom of the main chamber 22 is provided with an air outlet 23. The air inlet 21 may be designed as a wedge-shaped opening that is inclined in the same or similar direction as the blades of the louver 12 to facilitate air suction. The bottom of the main chamber 22 is provided with an air outlet 23, and the air outlet 23 may be square or circular, or alternatively, a circular opening is adopted. The air outlet 23 penetrates through the side surface of the shell 1 through an air outlet pipeline and is connected with compressed air equipment arranged outside the shell 1. Alternatively, the number of the air inlets 21 may be adjusted according to the arrangement of the main chamber 22, for example, the air inlets 21 may be arranged on three sides of the main chamber 22, and the other side of the main chamber 22 is used for arranging the air outlets 23.

Through add non-woven fabrics 13 in shutter 12 inboard, carry out the prefilter of large granule impurity with outdoor air through shutter 12 earlier, rethread non-woven fabrics 13 carries out the prefilter of small granule impurity, utilizes the water-absorbing characteristic of non-woven fabrics 13 to carry out the preliminary drying back with the air simultaneously, in the rethread air cleaner 2. Through the prefiltering of the shutter 12 and the non-woven fabrics 13, the influence of dust mixed in the air on the air filter 2 can be reduced, so that the service life of the air filter 2 is prolonged, and the reduction speed of the air filtering performance is delayed.

In some embodiments, stainless steel mesh 14 is a double layer, with non-woven 13 disposed within the interlayer of stainless steel mesh 14.

Referring to fig. 2, the stainless steel net 14 can be configured as two layers, including a first layer 141 and a second layer 142, and a layer is formed between the first layer 141 and the second layer 142 for placing the non-woven fabric 13.

When the nonwoven fabric 13 is disposed on the side of the stainless net 14 away from the louver 12, the nonwoven fabric 13 is not completely attached to the stainless net 14. The non-woven fabrics 13 sets up the holder through the edge and fixes with stainless steel net 14, but the center of non-woven fabrics 13 and stainless steel net 14 center are unable fixed, and when air cleaner 2 during operation, air cleaner 2's suction action will produce suction to non-woven fabrics 13, and non-woven fabrics 13 produces deformation, and non-woven fabrics 13 central part produces and caves in and breaks away from stainless steel net 14 for 13 edges of non-woven fabrics are not hard up, have the risk that breaks away from the holder. Through addding second floor stainless steel net 142, place non-woven fabrics 13 in the intermediate layer, can effectively avoid non-woven fabrics 13 to receive air cleaner 2's suction influence, make non-woven fabrics 13 more firm flat fixed with double-deck stainless steel net 14 in, realize the filter effect.

Referring to fig. 3, in some embodiments, a movable door 15 is provided at one side of the louver 12, and the movable door 15 is used to facilitate the maintenance of the air filtering device.

The movable door 15 can be movably connected with the side wall of the shell 1 in a hinged or hinge mode, the movable door 15 is arranged on the lower portion of the shell 1 and is far away from one side of the air filter 2, and the air filter device is convenient to overhaul. The size of the movable door 15 can be set according to the actual implementation. Alternatively, the movable door 15 may be provided at one side of the air outlet 23 to facilitate maintenance of the air outlet 23.

In some embodiments, the ratio of the area of the louvers 12 on the side where the movable door 15 is provided to the area of the side case 1 is 0.4-0.5: 1.

As shown in fig. 3, the louver 12 may be a second louver 122 on the side where the shutter 15 is provided, the case 1 may be a second case side 102 on the side where the shutter 15 is provided, and the second louver 122 may be provided on an upper portion of the second case side 102 to facilitate the intake of air by the intake port 21. The lower portion of the second casing side surface 102 is used for disposing the movable door 15, and optionally, the second casing side surface 102 may be provided with an opening through which the air outlet 23 passes, and the size of the opening is the same as that of the air outlet 23. Optionally, the ratio of the area of the second louvers 122 to the second housing side 102 is 0.4-0.5: 1.

Referring to fig. 4 to 5, in some embodiments, the top 11 of the housing 1 is disposed obliquely, and the top edge 111 of the housing 1 protrudes out of the side of the housing 1.

The top 11 of the shell 1 is obliquely arranged on the shell 1, and the top 11 of the shell 1 can be spliced by flat plates with two oblique sides or triangular flat plates with four oblique sides. The 11 slope settings in 1 top of casing are convenient for outdoor rainwater and are arranged to ground through 1 top 11 of casing, avoid 1 top 11 of casing to produce ponding.

Casing 1 top 11 includes top edge 111, and top edge 111 protrudes the side of casing 1, can avoid the rainwater to drench shutter 12 to flow inside casing 1, can effectively avoid 11 dusts in top or large-scale particle impurity etc. to fall into shutter 12 simultaneously on, influence shutter 12's ventilation function.

In some embodiments, the thickness of the nonwoven 13 is 20-25 mm. When the thickness of the non-woven fabric 13 is within 20-25mm, impurities in the air can be sufficiently filtered.

In some embodiments, the thickness of the slats of the louvers 12 is 0.8 to 1 mm. Optionally, the thickness of the blades of the louver 12 is 0.8-1mm, which can block large particles or dust in the air. When the air filter 2 works, no deformation is generated, and the manufacturing cost of the louver 12 is saved.

In some embodiments, the mesh aperture of stainless steel mesh 14 is 10-12 mm. Optionally, the aperture of the mesh of the stainless steel mesh 14 is 10-12mm, which can effectively fix the non-woven fabric 13, avoid deformation of the non-woven fabric 13, and simultaneously, does not affect the filtering effect of the non-woven fabric 13.

In some embodiments, the ratio of the area of the louvers 12 to the area of the sides of the housing 1 is 0.8-0.9: 1.

As shown in fig. 5, the louver 12 further includes a first louver 121, and the first louver 121 may be provided in plurality. In some embodiments, the housing 1 includes four first housing sides 101, and the housing 1 is surrounded by the first housing sides 101. Each first housing side 101 is provided with a first louver 121, and the ratio of the area of the first louver 121 to the area of the first housing side 101 is 0.8-0.9:1 to meet the maximum range of air intake of the air filter 2. In a preferred embodiment, the housing 1 comprises three first housing sides 101 and one second housing side 102, and the movable door 15 is opened on the second housing side 102, so that the area of the first louver 121 and the second housing side 102 on the sides is 0.4-0.5: 1. The three first housing sides 101 are provided with first louvers 121, and the ratio of the area of the first louvers 121 to the area of the first housing sides 101 is 0.8-0.9: 1.

in some embodiments, the stainless steel net 14 is detachably connected to the non-woven fabric 13, and the stainless steel net 14 is fixed to the case 1 by a wing nut.

In the nonwoven fabric 13, impurities are gradually accumulated during filtration, and the filtration performance of the nonwoven fabric 13 is lowered, so that the nonwoven fabric 13 needs to be replaced. Alternatively, the stainless net 14 is detachably connected to the non-woven fabric 13, so as to facilitate the periodic replacement of the non-woven fabric 13, and the periodic replacement time can be set according to the filtering condition of the non-woven fabric 13, for example, the non-woven fabric 13 is replaced once a month. The non-woven fabrics 13 and the stainless steel net 14 can be fixed on the inner side of the shell 1 through the butterfly nuts, when the replacement is needed, the butterfly nuts are loosened, the non-woven fabrics 13 on the stainless steel net 14 are taken down, new non-woven fabrics 13 are flatly laid on the stainless steel net 14, and then the stainless steel net 14 and the replaced non-woven fabrics 13 are fixed on the side wall of the shell 1 through the butterfly nuts.

Above embodiment is through add non-woven fabrics 13 in shutter 12 inboard, carries out the prefilter of large granule impurity with outdoor air through shutter 12 earlier, and rethread non-woven fabrics 13 carries out the prefilter of tiny particle impurity, utilizes the water absorption characteristic of non-woven fabrics 13 to carry out the air after preliminary drying simultaneously, in the rethread air cleaner 2. Through the primary filtration of the shutter 12 and the non-woven fabrics 13, the influence of dust mixed in the air on the air filter 2 can be reduced, so that the service life of the air filter 2 is prolonged, and the speed of reducing the air filtering performance is delayed.

Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions which are generated by replacing or modifying the equivalent structure or the equivalent flow according to the contents described in the text and the drawings of the present application, and which are directly or indirectly implemented in other related technical fields, are included in the scope of protection of the present application.

Claims (9)

1. An air filtration device for outdoor use, comprising:

the air purifier comprises a shell, wherein shutters are arranged on four sides of the shell and used for blocking large-size solid impurities, stainless steel nets are arranged on the inner sides of the shutters, non-woven fabrics are arranged on the side surfaces of the stainless steel nets and used for drying air and filtering small-particle impurities in the air; an air filter disposed inside the housing for delivering filtered air to a device that compresses air;

the stainless steel net is double-deck, the stainless steel net includes first layer stainless steel net and second floor stainless steel net, first layer stainless steel net with form an intermediate layer between the second floor stainless steel net, the intermediate layer is used for placing the non-woven fabrics.

2. The outdoor air filtering device according to claim 1, wherein a movable door is provided at one side of the louver for easy access to the air filtering device.

3. The outdoor air filtering device according to claim 2, wherein the ratio of the area of the louver on the side where the movable door is provided to the area of the housing on that side is 0.4-0.5: 1.

4. The air filtering device for the outdoor as claimed in claim 1, wherein the top of the case is disposed obliquely, and the top edge of the case protrudes the side of the case.

5. The outdoor air filtering device according to claim 1, wherein the thickness of the non-woven fabric is 20-25 mm.

6. The air filtering device for the outdoor as claimed in claim 1, wherein the louver has a vane thickness of 0.8-1 mm.

7. The air filtering device for outdoor use according to claim 1, wherein the mesh aperture of the stainless steel net is 10-12 mm.

8. The air filtering device for the outdoor as claimed in claim 1, wherein a ratio of an area of the louver to an area of the side of the case is 0.8-0.9: 1.

9. The outdoor air filter device according to claim 1, wherein the stainless steel net is detachably connected to the non-woven fabric, and the stainless steel net is fixed to the housing by a wing nut.

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