CN211635677U - Filter box and system comprising same - Google Patents

Abstract

The application discloses filter box and system including filter box, the filter box includes: the filter screen is arranged in the box body and divides the box body into a first cavity and a second cavity, wherein the first cavity is provided with an air inlet channel, and the second cavity is provided with an air outlet channel; wherein, the case lid with the box detachable connects, at least one in box or the case lid is made by transparent material. The system comprising the filter box comprises the filter box. Compared with the prior art, the negative pressure/positive pressure air flow speed can be reduced by increasing the area, and materials such as fine particles can be precipitated to prevent the materials such as the fine particles from being sucked into the exhaust fan and the like to damage the blades of the exhaust fan.

Description

Filter box and system comprising same

Technical Field

The application belongs to the technical field of filter, concretely relates to filter box and system including the filter box.

Background

In the existing positive pressure conveying system, negative pressure conveying system and even exhaust system, the structure of the commonly arranged filter box is complex, the cost is high, and once a fault occurs, the subsequent maintenance cost is high. In addition, in some application scenarios (such as an exhaust emission system) the gas is directly exhausted without a filter device, and foreign matters such as particles mixed in the gas will cause certain atmospheric pollution. Particularly, in a negative pressure conveying system (such as a negative pressure feeding system), if a filter device such as a filter box is not arranged, during the negative pressure pumping process, negative pressure gas can be sucked into a suction fan or other elements due to the entrainment of the particulate materials, so that the suction fan and the like can be damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application addresses the problem of providing a filter box and a system including the filter box.

In order to solve the technical problem, the application is realized by the following technical scheme:

a filter box, comprising: the filter screen is arranged in the box body and divides the box body into a first cavity and a second cavity, wherein the first cavity is provided with an air inlet channel, and the second cavity is provided with an air outlet channel; wherein the case cover is detachably connected with the case body, wherein at least one of the case body or the case cover is made of a transparent material.

Further, in the filter box, the air outlet channel is arranged near the top of the second cavity.

Further, in the filter box, the box body and the box cover are detachably connected together through a buckle.

Further, in the filter box, a sealing rubber gasket is further arranged at the connecting position of the box body and the box cover.

Further, in the filter box, the filter screen is a stainless steel wire mesh or a perforated screen plate.

Further, in the filter box, the filter screen is arranged in the box body in a horizontal, vertical or inclined manner.

Further, in the filter box, the transparent material includes PP, PMMA, PS or PC.

Further, in the filter box, the air inlet channel and the air outlet channel are respectively provided with an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both mounted on the box body through quick-release components.

Further, in the filter box described above, the quick release assembly includes: lock nuts and washers.

The present application also provides a system comprising a filter box comprising the above-described filter box.

Compared with the prior art, the method has the following technical effects:

the negative pressure/positive pressure air flow speed can be reduced by increasing the area, and fine particles and other materials can be precipitated, so that the fine particles and other materials are prevented from being sucked into an exhaust fan and the like to damage blades of the exhaust fan;

the box cover capable of being opened and closed is simple in structure and low in manufacturing cost, and can be used for conveniently cleaning and conveying other particles or other foreign matters;

the box body is of a transparent structure, so that the internal state of the box body can be observed conveniently, and foreign matters or more particles can be cleaned in time;

the air inlet can be used as an air filter for protecting the blades of the negative pressure vacuum pump; the device can also be used for filtering compressed air conveyed by preliminary filtration or exhausted tail gas in a positive pressure conveying system.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1: the application relates to a three-dimensional structure diagram of a filter box;

FIG. 2: a side view of the structure shown in FIG. 1;

FIG. 3: the three-dimensional structure chart of the air inlet pipe/the air outlet pipe during installation in the application;

FIG. 4: as shown in the cross-sectional view of the structure shown in fig. 3.

Detailed Description

The conception, specific structure and technical effects of the present application will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present application.

As shown in fig. 1 and 2, the filter box includes: the filter screen 07 is arranged in the box body 01 and divides the box body 01 into a first cavity 011 and a second cavity 012, wherein the first cavity 011 is provided with an air inlet channel, and the second cavity 012 is provided with an air outlet channel; wherein the case 01 is made of a transparent material. This application box 01 is transparent structure, can be convenient for observe its internal state, can in time clear up when foreign matter or more granule material.

The shape of the box 01 may be circular, square or other irregular shapes, and the above-mentioned shapes are merely illustrative and do not limit the scope of the present application.

In this embodiment, the air outlet channel is disposed near the top of the second cavity 012 to increase the difficulty of entering the particles. The box body 01 of the present embodiment can be connected in series in the feeding pipeline, and the air outlet channel leads to an external blower suction opening.

The box body 01 is also provided with a box cover 02 which can be opened and closed. Further, the box body 01 and the box cover 02 are detachably connected together through a buckle 03. Through dismantling the connection box 01 can clear up foreign matter such as the granule material of filtering through filter screen 07. Further, the box body 01 can be prevented from being separated due to pressure change in the box body 01 by connecting the box body with the clamp 03. In this embodiment, a plurality of the buckles 03 may be provided, and preferably, the buckles 03 are uniformly arranged in the circumferential direction, and the specific number of the buckles 03 does not limit the protection scope of the present application.

In this embodiment, the box cover 02 may also be made of a transparent material.

Wherein the transparent material comprises PP (polypropylene), PMMA (polymethyl methacrylate), PS (polystyrene), PC (polycarbonate) or the like. Through adopting above-mentioned transparent material, can make things convenient for the operator to observe the internal state of box 01 can in time be cleared up when foreign matter or more granule material.

In order to further improve the sealing performance of the box body 01 and the box cover 02, a sealing rubber gasket 04 is further arranged at the connecting position of the box body 01 and the box cover 02, and the sealing rubber gasket 04 mainly acts and seals the connecting position, so that gas leakage is prevented, and the internal pressure of a system consisting of a pipeline and the box body 01 is reduced.

The filter screen 07 adopts a stainless steel wire mesh or a punched screen, wherein the filter screen 07 can be used for preventing foreign matters such as granular materials from passing through. In order to facilitate understanding of the specific structure of the filter screen 07, fig. 2 shows only a partial structure of the filter screen 07. When the filter screen is used specifically, the filter screens 07 with proper meshes can be selected according to the size requirement of the filtering particles, and of course, the filtering effect can be enhanced by overlapping multiple layers of filter screens 07.

In the present embodiment, the area can be increased by providing the filter box to reduce the velocity of the negative/positive pressure air flow, and fine particles and the like can be precipitated to prevent the fine particles and the like from being sucked into the suction fan and the like to damage the blades thereof.

The filter screen 07 is arranged in the box body 01 in a horizontal, vertical or inclined manner.

In this embodiment, as shown in fig. 3 and 4, inlet channel with still be equipped with intake pipe 06 and outlet duct 05 on the outlet channel respectively, wherein, intake pipe 06 with outlet duct 05 all adopts quick detach subassembly to install connect or assemble through adopting above-mentioned quick detach subassembly on the box 01, compare in directly make intake pipe 06 or outlet duct 05 with low costs on the box to also satisfy the operator and carry out quick assembly disassembly when needing, it is more convenient, the practicality is strong.

In this embodiment, the inlet pipe 06 and the outlet pipe 05 have similar structures, wherein the inlet pipe 06 and the outlet pipe 05 both include a pipe joint body 501, the quick release assembly includes a lock nut 502 and a gasket 503, wherein the pipe joint body 501 and the lock nut 502 are respectively clamped and fixed on the inner side and the outer side of the wall of the box, and the gasket 503 is disposed between the pipe joint body 501 and the lock nut 502 to prevent air leakage.

The present embodiments also provide a system comprising a filter box, including the filter box described above.

The system may be: a negative pressure suction system, a positive pressure conveying system or a tail gas filtering system. The filter box can be connected to an air inlet of the negative pressure suction system and used as an air filter to protect blades of the negative pressure vacuum pump; the device can also be connected in a positive pressure conveying system to preliminarily filter the conveyed compressed air or filter the exhausted tail gas and the like. The above list is merely exemplary and does not limit the scope of the present application.

The working principle that the filter box of the embodiment is applied to the feeding system is described above:

the filter box of the embodiment can be connected in series in a feeding pipeline of a feeding system, an air outlet channel of the filter box is arranged at the top of the box body 01 so as to increase the difficulty of entering particles, and the air outlet channel leads to an external air blower suction opening; and the air inlet channel is arranged close to the bottom of the box body 01 relative to the air outlet channel and leads to a blanking cavity of the feeding pipeline. The air current is from inlet channel to outlet channel, and when the box 01 was being passed through, the sectional area sharply adds the reduction of coarse air velocity, if sneak into along with the air current and carry the particle, speed reduction simultaneously because the action of gravity, the granule material can fall to the bottom of box 01 to blockking in first cavity 011 by the filter screen 07 that sets up, further preventing to have got into box 01 particle upwards to flow to outlet channel, guarantee that the air current gets into external air-blower with clean state, the protection air-blower blade.

The negative pressure/positive pressure air flow speed can be reduced by increasing the area, and fine particles and other materials can be precipitated, so that the fine particles and other materials are prevented from being sucked into an exhaust fan and the like to damage blades of the exhaust fan; the box cover capable of being opened and closed is simple in structure and low in manufacturing cost, and can be used for conveniently cleaning and conveying other particles or other foreign matters; the transparent structure is convenient for observing the internal state of the container, and foreign matters or more particles can be cleaned in time; the air inlet can be used as an air filter for protecting the blades of the negative pressure vacuum pump; the device can also be used for filtering compressed air conveyed by preliminary filtration or exhausted tail gas in a positive pressure conveying system. Therefore, the application prospect is wide.

It should be understood that although the terms first, second, third, etc. may be used in the embodiments of the present application to describe certain components, these components should not be limited by these terms. These terms are only used to distinguish one component from another. For example, a first certain component may also be referred to as a second certain component, and similarly, a second certain component may also be referred to as a first certain component without departing from the scope of embodiments herein.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.

Claims (10)

1. A filter box, comprising: the filter screen is arranged in the box body and divides the box body into a first cavity and a second cavity, wherein the first cavity is provided with an air inlet channel, and the second cavity is provided with an air outlet channel; the case cover is detachably connected with the case body, wherein at least one of the case body or the case cover is made of a transparent material.

2. The filter box of claim 1, wherein the outlet channel is disposed proximate a top of the second cavity and/or the inlet channel is disposed proximate a bottom of the first cavity.

3. The filter box of claim 1, wherein the box body and the box cover are removably connected together by a snap fit.

4. The filter box of claim 1, wherein a sealing rubber gasket is further arranged at the connecting position of the box body and the box cover.

5. A filter box according to any one of claims 1 to 4, characterized in that the filter screen is a stainless steel mesh or a perforated mesh sheet.

6. A filter box according to any one of claims 1 to 4, wherein the screen is arranged in the box in a horizontal, vertical or inclined manner.

7. A filter box according to any of claims 1 to 4, wherein the transparent material comprises PP, PMMA, PS or PC.

8. The filter box according to any one of claims 1 to 4, wherein the inlet channel and the outlet channel are further provided with an inlet pipe and an outlet pipe, respectively, wherein the inlet pipe and the outlet pipe are both mounted on the box body by a quick release assembly.

9. The filter box of claim 8, wherein the quick release assembly comprises: lock nuts and washers.

10. A system comprising a filter box, characterized in that it comprises a filter box according to any one of claims 1 to 9.

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