Filter assembly for gas inlet part of gas condensing boiler

Abstract

The utility model discloses a filter assembly for a gas inlet part of a gas condensing boiler, which relates to the technical field of filter assemblies for gas inlet parts of gas condensing boilers, and has the technical key points that the filter assembly comprises a connecting box and has the technical effects that a plurality of magnesium oxides are respectively placed on the left side and the right side in a grid box through the grid box; then limestone is placed on the inner side walls of the multiple grid plates, then the grid box is placed in the connecting box through a convenient mechanism, and when waste gas of the gas condensation boiler flows into the grid box under the action of the connecting pipeline, if acid gas such as SO2 or NO < x > exists, the limestone is placed on the inner side walls of the grid plates; a plurality of magnesium oxides and limestone can be neutralized with the acid gases through chemical reaction, so that the acidity of the waste gas is reduced, the pH value of the discharged gas is increased, the corrosivity and environmental influence of the discharged gas are reduced, and then solid particles such as fly ash in the waste gas are filtered by virtue of round holes formed in the surfaces of a plurality of grid plates, so that the acidity in the waste gas is reduced; and meanwhile, small gaps in the gas condensing boiler are prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of a filtering component for the air inlet part of a gas condensing boiler, in particular to a filtering component for the air inlet part of a gas condensing boiler. Background Technique

[0002] The condensing boiler utilizes the efficient full-premix combustion technology, effectively improving the combustion efficiency of natural gas. It can not only fully absorb the sensible heat of the flue gas but also utilize the heat released by the condensation of water vapor generated during the combustion of natural gas, greatly improving the conversion efficiency of natural gas energy in heat energy utilization equipment and saving energy. Therefore, the development and application of gas condensing boilers is one of the effective ways to reduce environmental pollution and efficiently utilize gas. The gas condensing boiler uses an efficient condensing waste heat recovery device to absorb the sensible heat in the high-temperature flue gas discharged from the boiler and the latent heat released by the condensation of water vapor, so as to achieve the purpose of improving the thermal efficiency of the boiler.

[0003] In the existing solutions, on the one hand, a large amount of gases such as CO2, NOX, and SO2 generated during combustion are mixed in the high-temperature flue gas discharged from the boiler. These acidic gases will not only corrode and damage the internal structure of the boiler but also exacerbate the generation of the greenhouse effect and acid rain when discharged into the atmosphere. On the other hand, solid particles such as air fly ash are mixed in the high-temperature flue gas, which will block the fine gaps inside the gas condensing boiler and affect the operation of the gas condensing boiler. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a filtering component for the air inlet part of a gas condensing boiler, which can reduce the corrosion of the internal structure of the boiler by acidic gases and can filter solid particles such as waste gas fly ash.

[0005] To achieve the above object, the utility model provides the following technical solution: A filtering component for the air inlet part of a gas condensing boiler, including a connection box. A grid box is placed inside the connection box. A filtering and isolating mechanism is fixedly connected to the inner side wall of the grid box. The filtering and isolating mechanism includes a plurality of grid plates and a connecting plate. Magnesium oxide is placed on one side of each of the plurality of grid plates. Limestone is placed at the bottom of the connecting plate. A convenient mechanism is fixedly connected to the top of the connecting plate. The convenient mechanism includes a rotating rod and a handle. A plurality of auxiliary mechanisms are fixedly connected to the back of the top of the connection box. The plurality of auxiliary mechanisms include a rotating shaft and a connecting block. A cover body is fixedly connected to the front of each of the plurality of connecting blocks. A limiting mechanism is fixedly connected to the front of the cover body. The limiting mechanism includes a rectangular block and a threaded hole. A quick-release screw is threadedly connected inside the threaded hole.

[0006] Preferably, the plurality of grid plates are fixedly connected to the inner side wall of the grid box. A connecting plate is fixedly connected to the top of the inner side wall of each of the plurality of grid plates. The connecting plate serves to isolate the plurality of magnesium oxides and limestone.

[0007] Preferably, the rotating rod is fixedly connected to the top of the connecting plate, and a handle is rotatably connected to the top of the rotating rod. The handle serves to facilitate the removal of the filtering and isolating mechanism.

[0008] Preferably, a plurality of rotating shafts are fixedly connected to the top back surface of the connecting box, and connecting blocks are rotatably connected to the front surfaces of the plurality of rotating shafts. The connecting blocks serve to fix the cover body.

[0009] Preferably, the rectangular block is fixedly connected to the front surface of the cover body, and a threaded hole is formed in the front surface of the rectangular block. The threaded hole serves to fix the quick-release screw.

[0010] Preferably, circular grooves are formed on both the left and right sides of the connecting box, and connecting pipes are provided on one side of each of the plurality of circular grooves. The connecting pipes serve to fixedly connect the device to the gas condensing boiler.

[0011] Preferably, flow grooves are formed on the surfaces of the plurality of connecting pipes, and the number of the plurality of connecting pipes is two groups. The connecting pipes serve to allow for flow.

[0012] Compared with the prior art, the present utility model provides a filtering assembly for the air intake part of a gas condensing boiler, and has the following beneficial effects:

[0013] By placing a plurality of magnesium oxides in the left and right sides inside the grid box through the grid box, and then placing limestone on the inner side walls of the plurality of grid plates, and then using the convenient mechanism to place the grid box in the connecting box. When the waste gas of the gas condensing boiler flows into the grid box under the action of the connecting pipe, if there are acidic gases such as SO2 or NOx, the plurality of magnesium oxides and limestone can neutralize these acidic gases through chemical reactions, thereby reducing the acidity of the waste gas, increasing the pH value of the discharged gas, reducing its corrosiveness and environmental impact. Furthermore, by using the round holes formed on the surfaces of the plurality of grid plates, solid particles such as fly ash in the waste gas are filtered, which helps to reduce the acidity of the waste gas and at the same time avoid blocking the fine gaps inside the gas condensing boiler.

[0014] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it in accordance with the content of the description, the following takes the preferred embodiments of the present utility model and combines with the drawings to elaborate in detail as follows. The specific implementation manners of the present utility model are given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present utility model, form a part of this application, and the schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the limit mechanism in the present utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the convenient mechanism in the present utility model.

[0019] In the figure: 1, connecting box; 2, grid box; 3, filtering and isolating mechanism; 301, grid plate; 302, connecting plate; 4, magnesium oxide; 5, limestone; 6, convenient mechanism; 601, rotating rod; 602, handle; 7, auxiliary mechanism; 701, rotating shaft; 702, connecting block; 8, cover body; 9, limit mechanism; 901, rectangular block; 902, threaded hole; 10, quick-release screw; 11, connecting pipe; 12, flow channel. Specific embodiments

[0020] The principles and features of the present utility model will be described below in conjunction with the attached Figures 1-3 The principles and features of the present utility model will be described below. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. It should be noted that the drawings are all in a very simplified form and use non-precise scales, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present utility model.

[0021] It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used herein in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] Please refer to Figures 1-3, the utility model provides a technical solution for a filtering component used in the air intake part of a gas condensing boiler: including a connection box 1, a grid box 2 is placed inside the connection box 1, a filtering and isolating mechanism 3 is fixedly connected to the inner side wall of the grid box 2, the filtering and isolating mechanism 3 includes a plurality of grid plates 301 and a connecting plate 302, magnesium oxide 4 is placed on one side of each of the plurality of grid plates 301, limestone 5 is placed at the bottom of the connecting plate 302, a convenient mechanism 6 is fixedly connected to the top of the connecting plate 302, the convenient mechanism 6 includes a rotating rod 601 and a handle 602, a plurality of auxiliary mechanisms 7 are fixedly connected to the top back surface of the connection box 1, the plurality of auxiliary mechanisms 7 include a rotating shaft 701 and a connecting block 702, a cover body 8 is fixedly connected to the front surface of the plurality of connecting blocks 702, a limiting mechanism 9 is fixedly connected to the front surface of the cover body 8, the limiting mechanism 9 includes a rectangular block 901 and a threaded hole 902, a quick-release screw 10 is threadedly connected inside the threaded hole 902, the plurality of grid plates 301 are fixedly connected to the inner side wall of the grid box 2, a connecting plate 302 is fixedly connected to the top of the inner side wall of the plurality of grid plates 301. Before using the device, place the plurality of magnesium oxides 4 on the left and right sides inside the grid box 2 respectively, and then place the limestone 5 inside the plurality of connecting plates 302 to fix it. In order to facilitate the disassembly and replacement of the plurality of magnesium oxides 4 and limestone 5, the rotating rod 601 is fixedly connected to the top of the connecting plate 302, the top of the rotating rod 601 is rotatably connected to the handle 602. Under the action of the rotating rod 601, rotate the handle 602 to a suitable angle to facilitate the disassembly and replacement of the grid box 2. The plurality of rotating shafts 701 are fixedly connected to the top back surface of the connection box 1, the front surfaces of the plurality of rotating shafts 701 are rotatably connected to the connecting blocks 702, the rectangular block 901 is fixedly connected to the front surface of the cover body 8, a threaded hole 902 is opened on the front surface of the rectangular block 901. Under the action of the plurality of auxiliary mechanisms 7, rotate the cover body 8 until the cover body 8 is located on the top of the connection box 1, so that the threaded hole 902 is aligned with the threaded groove opened on the front surface of the connection box 1. Rotate the quick-release screw 10 until the quick-release screw 10 penetrates through the threaded hole 902 and the threaded groove to fix the cover body 8. In order to protect the internal parts of the connection box 1 and extend its service life, circular grooves are opened on both the left and right sides of the connection box 1, a connecting pipe 11 is provided on one side of each of the plurality of circular grooves, flow grooves 12 are opened on the surfaces of the plurality of connecting pipes 11, and the number of the plurality of connecting pipes 11 is two groups.

[0024] Working principle: The grid box 2 places multiple magnesium oxides 4 on the left and right sides inside the grid box 2 respectively, and then places the limestone 5 on the inner sidewalls of multiple grid plates 301. Then, the grid box 2 is placed in the connection box 1 by means of the convenient mechanism 6. When the waste gas of the gas condensing boiler flows into the grid box 2 under the action of the connecting pipe 11, if there are acidic gases such as SO2 or NOx, the multiple magnesium oxides 4 and limestone 5 can neutralize these acidic gases through chemical reactions, thereby reducing the acidity of the waste gas, increasing the pH value of the discharged gas, reducing its corrosiveness and environmental impact. Then, the fly ash and other solid particles in the waste gas are filtered by using the round holes opened on the surfaces of the multiple grid plates 301.

[0025] The above is only the preferred embodiment of the present invention, and does not impose any form of limitation on the present invention; any ordinary technician in the industry can smoothly implement the present invention as shown in the accompanying drawings of the specification and as described above; however, any equivalent changes such as slight modifications, decorations and evolutions made by those skilled in the art within the scope of the technical solution of the present invention by using the technical content disclosed above are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A filtering assembly for the air inlet part of a gas condensing boiler, comprising a connecting box (1), characterized in that: Inside the connection box (1), a grid box (2) is placed. A filtering and isolating mechanism (3) is fixedly connected to the inner side wall of the grid box (2). The filtering and isolating mechanism (3) includes a plurality of grid plates (301) and a connecting plate (302). Magnesium oxide (4) is placed on one side of each of the plurality of grid plates (301). Limestone (5) is placed at the bottom of the connecting plate (302). A convenient mechanism (6) is fixedly connected to the top of the connecting plate (302). The convenient mechanism (6) includes a rotating rod (601) and a handle (602). A plurality of auxiliary mechanisms (7) are fixedly connected to the top back of the connection box (1). The plurality of auxiliary mechanisms (7) include a rotating shaft (701) and a connecting block (702). A cover body (8) is fixedly connected to the front of the plurality of connecting blocks (702). A limiting mechanism (9) is fixedly connected to the front of the cover body (8). The limiting mechanism (9) includes a rectangular block (901) and a threaded hole (902). A quick-release screw (10) is threadedly connected inside the threaded hole (902).

2. The filter assembly for the air intake part of a gas condensing boiler according to claim 1, characterized in that: The plurality of grid plates (301) are fixedly connected to the inner side wall of the grid box (2), and a connecting plate (302) is fixedly connected to the top of the inner side wall of the plurality of grid plates (301).

3. The filter assembly for the air intake part of a gas condensing boiler according to claim 1, characterized in that: The rotating rod (601) is fixedly connected to the top of the connecting plate (302), and the top of the rotating rod (601) is rotatably connected to the handle (602).

4. A filter assembly for the air intake part of a gas condensing boiler according to claim 1, characterized in that: The plurality of rotating shafts (701) are fixedly connected to the top back of the connection box (1), and the front of each of the plurality of rotating shafts (701) is rotatably connected to a connecting block (702).

5. A filter assembly for the air intake part of a gas condensing boiler according to claim 1, characterized in that: The rectangular block (901) is fixedly connected to the front of the cover body (8), and a threaded hole (902) is opened on the front of the rectangular block (901).

6. The filter assembly for the air inlet part of a gas condensing boiler according to claim 1, wherein: Circular grooves are opened on both the left and right sides of the connection box (1), and a connecting pipe (11) is provided on one side of each of the plurality of circular grooves.

7. A filter assembly for the air intake part of a gas condensing boiler according to claim 6, characterized in that: Flow grooves (12) are opened on the surfaces of the plurality of connecting pipes (11), and the number of the plurality of connecting pipes (11) is two groups.

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