Double-layer replaceable filter cover of combustion fan

Abstract

The utility model discloses a double-layer replaceable filter cover for a combustion fan, and relates to the technical field of prevention of blockage of a filter screen at an air suction opening of a combustion fan in a continuous annealing furnace area due to dirty air, the double-layer replaceable filter cover comprises a first bottom frame, a fixed filter dustproof net and a second bottom frame, and the first bottom frame is used for being fixedly connected with the combustion fan; the fixed filtering dustproof net is used for being fixedly connected with the first bottom frame. The second bottom frame is used for being fixedly connected to the outer side of the first bottom frame, and at least one placing station is arranged on the second bottom frame; and each movable filtering dustproof net is used for being detachably and fixedly connected into the corresponding placing station, the structure is simple, use is convenient, and production halt accidents are effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of preventing a filter screen from being blocked at an air inlet of a combustion-supporting fan in a continuous annealing furnace area due to dirty air, and in particular to a double-layer replaceable filter cover for a combustion-supporting fan. Background Art

[0002] At present, the combustion-supporting fan in the annealing area of ​​our company is easily clogged due to dirty air, which leads to insufficient air pressure of the combustion-supporting fan. The original design cannot realize online replacement during production, and the equipment cannot replace the filter dust screen during the production cycle, which makes it unable to meet the use needs. Improvements are urgently needed to the above problems to avoid downtime and production accidents caused by the inability to replace the filter dust screen on site. Utility Model Content

[0003] The utility model aims to provide a double-layer replaceable filter cover for a combustion-supporting fan to solve the problems existing in the above-mentioned prior art, has a simple structure, is easy to use, and effectively reduces the occurrence of production stoppage accidents.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a double-layer replaceable filter cover for a combustion-supporting fan, comprising: a first base frame, a fixed filter dust-proof net and a second base frame, wherein the first base frame is used to be fixedly connected to the combustion-supporting fan; the fixed filter dust-proof net is used to be fixedly connected to the first base frame; the second base frame is used to be fixedly connected to the outer side of the first base frame, and at least one placement station is provided on the second base frame; at least one movable filter dust-proof net, each of the movable filter dust-proof nets is used to be detachably fixedly connected in the placement station.

[0006] Preferably, a pull-out track window is fixedly provided on the outer periphery of the movable filtering dustproof net, and the placement station is provided with a corresponding pull-out track, and the pull-out track window is used for slidingly inserting into the pull-out track.

[0007] Preferably, a reinforcing bracket is provided on the inner side of the pull-out rail window.

[0008] Preferably, it also includes a sealing strip, which is used to be arranged at the connection between the movable filtering dustproof net and the pull-out track window.

[0009] Preferably, it further comprises a reinforcing beam, wherein the reinforcing beam is arranged in the first base frame.

[0010] Preferably, it further comprises a full circle fixing frame, wherein the full circle fixing frame is fixedly connected to the outer periphery of the fixed filtering dustproof net, and the full circle fixing frame is fixedly connected to the first base frame.

[0011] Compared with the prior art, the utility model has achieved the following technical effects:

[0012] The utility model provides a double-layer replaceable filter cover for a combustion-supporting fan, by arranging a fixed filter dust screen on a first base, and arranging at least one movable filter dust screen on a second base outside the first base, the movable filter dust screen can be pulled out at the side for replacement during production, realizing the function of online rapid replacement of the outer dust screen, while the presence of the fixed filter dust screen enhances the filtering effect, and prevents dust and foreign matter from being directly sucked into the fan during the replacement of the movable filter dust screen. After the transformation, the outer layer of the movable filter dust screen is regularly cleaned and replaced, and the inner layer of the fixed filter dust screen can be cleaned after one or two maintenance cycles, and the cleanliness of the filter of the dust screen of the combustion-supporting fan fully meets the use cycle requirements on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 A schematic diagram of the structure of a double-layer replaceable filter cover for a combustion-supporting fan provided by the utility model;

[0015] Figure 2 A schematic diagram of the structure of the first base and the fixed filter dust screen in the double-layer replaceable filter cover of the combustion-supporting fan provided by the utility model;

[0016] Figure 3 This is a schematic diagram of the split structure at the pull-out track window in the double-layer replaceable filter cover of the combustion-supporting fan provided by the utility model;

[0017] In the figure: 1. First base frame; 2. Fixed filter dust screen; 3. Second base frame; 4. Movable filter dust screen; 5. Placement station; 6. Pull-out track window; 7. Strengthening bracket; 8. Sealing strip; 9. Strengthening beam; 10. Full circle fixed frame. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model aims to provide a double-layer replaceable filter cover for a combustion-supporting fan to solve the problems existing in the above-mentioned prior art, has a simple structure, is easy to use, and effectively reduces the occurrence of production stoppage accidents.

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] The utility model provides a double-layer replaceable filter cover for a combustion-supporting fan, such as Figures 1 to 3 As shown, it includes: a first base frame, a fixed filter dust screen, a second base frame and at least one movable filter dust screen, the first base frame is used to be fixedly connected to the combustion-supporting fan; the fixed filter dust screen is used to be fixedly connected to the first base frame; the second base frame is used to be fixedly connected to the outside of the first base, and the second base frame is provided with at least one placement station; each of the movable filter dust screens is used to be detachably fixedly connected in the placement station, by arranging a fixed filter dust screen on the first base, and at least one movable filter dust screen is arranged on the second base outside the first base, the movable filter dust screen can be pulled out from the side for replacement during production, thereby realizing the function of online rapid replacement of the outer dust screen, and at the same time, due to the presence of the fixed filter dust screen, the filtering effect is enhanced, and dust and foreign matter are prevented from being directly sucked into the fan during the replacement of the movable filter dust screen. After the transformation, the outer movable filter dust screen is cleaned and replaced regularly, and the inner fixed filter dust screen can be cleaned after one or two maintenance cycles. The cleanliness of the combustion-supporting fan dust screen filter fully meets the on-site use cycle requirements.

[0022] In a preferred embodiment, a pull-out rail window is fixedly provided on the outer periphery of the movable filtering dustproof net, and the placement station is provided with a corresponding pull-out rail. The pull-out rail window is used to be slidably inserted into the pull-out rail. It has a simple structure and is easy to install. The pull-out rail window is installed on the placement station in a pull-out manner.

[0023] In a preferred embodiment, a reinforcing bracket is provided on the inner side of the pull-out track window to strengthen the mechanical properties of the pull-out track window and ensure that the movable filtering dust screen can be supported by the reinforcing bracket during the air intake process of the combustion-supporting fan.

[0024] In a preferred embodiment, the double-layer replaceable filter cover of the combustion-supporting fan also includes a sealing strip, which is used to be arranged at the connection between the movable filter dustproof net and the pull-out track window to ensure that the gas entering the combustion-supporting fan passes through the movable filter dustproof net.

[0025] In a preferred embodiment, the double-layer replaceable filter cover of the combustion-supporting fan also includes a reinforcing beam, which is arranged in the first base frame to strengthen the mechanical properties of the first base frame and ensure that the fixed filtering dust net can be supported by the reinforcing beam during the air intake process of the combustion-supporting fan.

[0026] In a preferred embodiment, the double-layer replaceable filter cover of the combustion-supporting fan also includes a full-circle fixing frame, which is fixedly connected to the outer periphery of the fixed filter dust-proof net, and the full-circle fixing frame is fixedly connected to the first base frame. It has a simple structure and is easy to fix. It only requires fixing screw holes on all four sides of the full-circle fixing frame to fix the fixed filter dust-proof net through fixing screws.

[0027] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A double-layer replaceable filter cover for a combustion-supporting fan, Features: include: A first base frame, the first base frame is used for fixed connection with the combustion-supporting fan; A fixed filtering dustproof net, the fixed filtering dustproof net being used for being fixedly connected to the first chassis; a second base frame, the second base frame being used for being fixedly connected to the outer side of the first base frame, and the second base frame being provided with at least one placement station; and At least one movable filtering dustproof net, each of the movable filtering dustproof nets is used to be detachably fixedly connected in the placement station.

2. The double-layer replaceable filter cover of the combustion-supporting fan according to claim 1, Features: A pull-out track window is fixedly arranged on the outer periphery of the movable filtering dustproof net, and the placement station is provided with a corresponding pull-out track, and the pull-out track window is used for sliding and plugging into the pull-out track.

3. The double-layer replaceable filter cover of the combustion-supporting fan according to claim 2, Features: A reinforcing bracket is arranged on the inner side of the pull-out track window.

4. The double-layer replaceable filter cover of the combustion-supporting fan according to claim 3, Features: It also includes a sealing strip, which is used to be arranged at the connection between the movable filtering dustproof net and the pull-out track window.

5. The double-layer replaceable filter cover of the combustion-supporting fan according to claim 1, Features: It also includes a reinforcing beam, which is arranged in the first base frame.

6. The double-layer replaceable filter cover of the combustion-supporting fan according to claim 1, Features: It also includes a full-circle fixing frame, which is fixedly connected to the outer periphery of the fixed filtering dustproof net, and the full-circle fixing frame is fixedly connected to the first base frame.

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