Municipal environment-friendly flame-retardant filter bag

Abstract

According to the technical scheme, the municipal environment-friendly flame-retardant filter bag is characterized in that the municipal environment-friendly flame-retardant filter bag comprises a mounting base, a plurality of first fixing holes are formed in the top face of the mounting base, supporting columns are fixedly connected to the inner circle wall faces of the first fixing holes in a sleeved mode, and a filter bag body and a flame-retardant assembly are movably connected to the outer circle wall faces of the supporting columns in a sleeved mode; the flame-retardant assembly is arranged in the filter bag body and used for preventing the filter bag body from burning, the flame-retardant assembly comprises a plurality of fixing rings, and the fixing rings are arranged in the filter bag body and used for fixing the filter bag body. Through mutual cooperative use of the filter bag body, the heat dissipation net, the flame-retardant layer, the heat-resistant layer, the conductive fiber layer and the activated carbon fiber layer, the effect of preventing combustion after high-temperature waste gas, dust and other harmful substances are in contact with the filter bag body is achieved, so that pollution of the waste gas, dust and other harmful substances to air is prevented; the environment-friendly effect of the filter bag body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a municipal environmental protection flame retardant filter bag. Background Art

[0002] In the process of municipal environmental planning and management, filter bags may be installed at the incinerator of the garbage treatment station during the construction of the garbage treatment station, so that the filter bags can filter the dust produced by combustion. The filter bag is one of the most widely used components of dust removal equipment. It uses filter cloth as the filter material to achieve the purpose of separating harmful substances. It has the characteristics of large air volume, small footprint, high purification efficiency, reliable operation, simple structure and small maintenance. In recent years, the global air quality has become worse and worse. Steel smelting, garbage incineration, chemical production, boiler coal burning, etc. will produce a lot of dust and waste gas and other harmful substances, thereby polluting the air. At present, most of the treatment of harmful substances in dust and waste gas in my country is discharged after filtering through filter bags.

[0003] For example, the Chinese patent with publication number CN209596757U proposes a dust collector filter bag. The patent adopts forward contraction and installs a rotating structure under the bottom contraction rod to shrink vertically, so that the filter bag shrinks quickly, saves the time required for contraction, and improves the contraction efficiency. At the same time, the filter bag is provided with a layered structure, including woven cloth, polyimide fiber filter material layer, glass fiber blended layer and polytetrafluoroethylene layer, which has a good filtering effect and can eliminate static electricity in time to ensure the safety of filtration. However, in this solution, since the temperature of harmful substances such as exhaust gas and dust just out of the furnace is very high, when harmful substances such as exhaust gas and dust come into contact with the filter bag, the filter bag may be burned, resulting in incomplete dust removal, which may cause air pollution and reduce the environmental protection effect of the filter bag. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a municipal environmentally friendly flame-retardant filter bag, which solves the problem that the temperature of harmful substances such as exhaust gas and dust just out of the furnace is very high. When harmful substances such as exhaust gas and dust come into contact with the filter bag, the filter bag may be burned, resulting in incomplete dust removal, which may cause air pollution and reduce the environmental protection effect of the filter bag.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A municipal environmental protection flame-retardant filter bag, comprising a mounting seat, a top surface of the mounting seat is provided with a plurality of first fixing holes, the inner circular wall surface of the first fixing holes is fixedly sleeved with a support column, and the outer circular wall surfaces of a plurality of the support columns are movably sleeved with a filter bag body; a flame-retardant component, the flame-retardant component is arranged inside the filter bag body and is used to prevent the filter bag body from burning, the flame-retardant component comprises: a plurality of fixing rings, a plurality of the fixing rings are arranged inside the filter bag body, a plurality of second fixing holes are provided on the top surface of the fixing rings, the second fixing holes are fixedly sleeved with the support column, a heat dissipation net is fixedly sleeved with the outer circular wall surfaces of a plurality of the fixing rings, an activated carbon fiber layer is fixedly sleeved with the inner circular wall surface of the activated carbon fiber layer, a conductive fiber layer is fixedly sleeved with the inner circular wall surface of the conductive fiber layer, a flame-retardant layer is fixedly sleeved with the inner circular wall surface of the flame-retardant layer, and a heat-resistant layer is fixedly sleeved with the inner circular wall surface of the flame-retardant layer.

[0007] In order to facilitate the fixation of the filter bag body, as a municipal environmental protection flame-retardant filter bag of the utility model, it is preferred that a plurality of threaded grooves are provided on the bottom surface of the mounting seat, the outer circular wall surface of the filter bag body is fixedly sleeved with a limiting ring, a plurality of connecting holes are provided on the bottom surface of the limiting ring, the inner circular wall surface of the connecting hole is movably sleeved with bolts, and the bolts are threadedly connected to the threaded grooves.

[0008] In order to reduce the impact of harmful substances such as exhaust gas and dust just out of the furnace, as a municipal environmental protection flame retardant filter bag of the utility model, preferably, the inner circular wall surface of the fixing ring located above is fixedly sleeved with a sieve plate.

[0009] In order to filter harmful substances such as exhaust gas and dust, as a municipal environmental protection flame-retardant filter bag of the utility model, preferably, a filter plate is fixedly sleeved on the inner circular wall surface of the fixing ring located in the middle.

[0010] In order to adsorb and purify fine particles in harmful substances such as exhaust gas and dust, as a municipal environmental protection flame-retardant filter bag of the utility model, preferably, an activated carbon adsorption plate is fixedly sleeved on the inner circular wall surface of the fixing ring located below.

[0011] In order to facilitate the replacement of the filter bag body, as a municipal environmental protection flame retardant filter bag of the utility model, preferably, two drawstrings are fixedly installed on the outer circular wall surface of the limiting ring.

[0012] In order to facilitate the movement of the mounting base, as a municipal environmental protection flame retardant filter bag of the utility model, preferably, two handles are fixedly installed on the top surface of the mounting base.

[0013] In summary, the utility model mainly has the following beneficial effects:

[0014] Through the coordinated use of the filter bag body, heat dissipation net, flame retardant layer, heat-resistant layer, conductive fiber layer and activated carbon fiber layer, the effect of preventing high-temperature exhaust gas, dust and other harmful substances from burning after contacting the filter bag body is achieved, thereby preventing exhaust gas, dust and other harmful substances from polluting the air and improving the environmental protection effect of the filter bag body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the filter bag body structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the heat dissipation network structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the thread groove structure of the utility model;

[0019] Figure 5 yes Figure 2 Schematic diagram of the local structure of A.

[0020] Figure numerals: 1. mounting seat; 2. first fixing hole; 3. support column; 4. filter bag body; 5. fixing ring; 6. second fixing hole; 7. heat dissipation net; 8. activated carbon fiber layer; 9. conductive fiber layer; 10. flame retardant layer; 11. heat resistant layer; 12. threaded groove; 13. limiting ring; 14. connecting hole; 15. bolt; 16. sieve plate; 17. filter plate; 18. activated carbon adsorption plate; 19. pull belt; 20. handle. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] refer to Figure 1 , Figure 2 , Figure 3 and Figure 5A municipal environmental protection flame retardant filter bag comprises a mounting seat 1, a top surface of the mounting seat 1 is provided with a plurality of first fixing holes 2, the inner circular wall surface of the first fixing hole 2 is fixedly sleeved with a support column 3, the outer circular wall surface of the plurality of support columns 3 is movably sleeved with a filter bag body 4, a flame retardant component is arranged inside the filter bag body 4 to prevent the filter bag body 4 from burning, the flame retardant component comprises a plurality of fixing rings 5, the plurality of fixing rings 5 ​​are arranged inside the filter bag body 4, a plurality of second fixing holes 6 are arranged on the top surface of the fixing ring 5, the second fixing holes 6 are fixedly sleeved with the support column 3, a heat dissipation net 7 is fixedly sleeved on the outer circular wall surface of the plurality of fixing rings 5, the heat dissipation net 7 is made of aluminum alloy material, an activated carbon fiber layer 8 is fixedly sleeved on the inner circular wall surface of the filter bag body 4, a conductive fiber layer 9 is fixedly sleeved on the inner circular wall surface of the activated carbon fiber layer 8, the conductive fiber layer 9 is made of graphene fiber material, and the conductive fiber layer 9 is made of graphene fiber material. The inner circular wall surface is fixedly sleeved with a flame retardant layer 10, which is made of boron nitride fiber material. The inner circular wall surface of the flame retardant layer 10 is fixedly sleeved with a heat-resistant layer 11, which is made of ceramic fiber material. Through the filter bag body 4, when the waste gas, dust and other harmful substances just out of the furnace enter the interior of the filter bag body 4, the heat dissipation net 7 will first dissipate the heat for the waste gas, dust and other harmful substances, and then the flame retardant layer 10 and the heat-resistant layer 11 will prevent the filter bag body 4 from catching fire when treating the waste gas, dust and other harmful substances. The conductive fiber layer 9 can form an antistatic polymerization protective layer on the surface of the filter bag body 4, and the activated carbon fiber layer 8 can adsorb the waste gas, dust and other harmful substances, so as to prevent the high-temperature waste gas, dust and other harmful substances from burning after contacting the filter bag body 4, thereby preventing the waste gas, dust and other harmful substances from polluting the air, and improving the environmental protection effect of the filter bag body 4.

[0024] Embodiment 2

[0025] Based on the above embodiment 1, reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A plurality of thread grooves 12 are provided on the bottom surface of the mounting seat 1, a limiting ring 13 is fixedly sleeved on the outer circumferential wall surface of the filter bag body 4, a plurality of connecting holes 14 are provided on the bottom surface of the limiting ring 13, a bolt 15 is movably sleeved on the inner circumferential wall surface of the connecting hole 14, and the bolt 15 is threadedly connected to the thread groove 12, a sieve plate 16 is fixedly sleeved on the inner circumferential wall surface of the upper fixing ring 5, a filter plate 17 is fixedly sleeved on the inner circumferential wall surface of the middle fixing ring 5, and an activated carbon adsorption plate 18 is fixedly sleeved on the inner circumferential wall surface of the lower fixing ring 5.

[0026] Embodiment 3

[0027] Based on the above embodiment 1 or 2, refer to Figure 1 , Figure 2 and Figure 3Two drawstrings 19 are fixedly installed on the outer circular wall surface of the limit ring 13, and two handles 20 are fixedly installed on the top surface of the mounting seat 1. Through the provided handles 20, when it is necessary to clean the filter bag body 4, the user can screw the bolts 15 to disengage the bolts 15 from the threaded groove 12 and the connecting hole 14, and then pull the handles 20 to drive the mounting seat 1, the support column 3, the fixing ring 5, the second fixing hole 6, the heat dissipation net 7, the sieve plate 16, the filter plate 17 and the activated carbon adsorption plate 18 to move and disengage from the filter bag body 4, and then the user can clean the filter bag body 4, so as to achieve the effect of facilitating the movement of the mounting seat 1.

[0028] Working principle: Please refer to Figure 1-Figure 5 As shown, through the filter bag body 4 that is set up, when the waste gas, dust and other harmful substances just out of the furnace enter the interior of the filter bag body 4, the heat dissipation net 7 will first dissipate the heat for the waste gas, dust and other harmful substances, and then the flame retardant layer 10 and the heat-resistant layer 11 will prevent the filter bag body 4 from catching fire when processing the waste gas, dust and other harmful substances, the conductive fiber layer 9 can form an antistatic polymerization protective layer on the surface of the filter bag body 4, and the activated carbon fiber layer 8 can adsorb the waste gas, dust and other harmful substances, so as to prevent the high-temperature waste gas, dust and other harmful substances from burning after contacting the filter bag body 4, thereby preventing the waste gas, dust and other harmful substances from polluting the air and improving the environmental protection effect of the filter bag body 4.

[0029] By means of the provided handle 20, when the filter bag body 4 needs to be cleaned, the user can screw the bolt 15 to disengage the bolt 15 from the threaded groove 12 and the connecting hole 14, and then pull the handle 20 to drive the mounting base 1, the support column 3, the fixing ring 5, the second fixing hole 6, the heat dissipation net 7, the sieve plate 16, the filter plate 17 and the activated carbon adsorption plate 18 to move and disengage from the filter bag body 4, and then the user can clean the filter bag body 4, thereby achieving the effect of facilitating the movement of the mounting base 1.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A municipal environmental protection flame retardant filter bag, characterized in that: include: A mounting seat (1), wherein a plurality of first fixing holes (2) are formed on the top surface of the mounting seat (1), a support column (3) is fixedly sleeved on the inner circular wall surface of the first fixing hole (2), and a filter bag body (4) is movably sleeved on the outer circular wall surfaces of the plurality of support columns (3); A flame retardant component, wherein the flame retardant component is arranged inside the filter bag body (4) and is used to prevent the filter bag body (4) from burning. The flame retardant component comprises: a plurality of fixing rings (5), wherein the plurality of fixing rings (5) are arranged inside the filter bag body (4), wherein the top surface of the fixing rings (5) is provided with a plurality of second fixing holes (6), wherein the second fixing holes (6) are fixedly sleeved with the support column (3), wherein the outer circular wall surfaces of the plurality of fixing rings (5) are fixedly sleeved with a heat dissipation net (7), wherein the inner circular wall surface of the filter bag body (4) is fixedly sleeved with an activated carbon fiber layer (8), wherein the inner circular wall surface of the activated carbon fiber layer (8) is fixedly sleeved with a conductive fiber layer (9), wherein the inner circular wall surface of the conductive fiber layer (9) is fixedly sleeved with a flame retardant layer (10), and wherein the inner circular wall surface of the flame retardant layer (10) is fixedly sleeved with a heat-resistant layer (11).

2. A municipal environmental protection flame retardant filter bag according to claim 1, characterized in that: The bottom surface of the mounting seat (1) is provided with a plurality of thread grooves (12); the outer circumferential wall surface of the filter bag body (4) is fixedly sleeved with a limiting ring (13); the bottom surface of the limiting ring (13) is provided with a plurality of connection holes (14); the inner circumferential wall surface of the connection hole (14) is movably sleeved with a bolt (15); the bolt (15) is threadedly connected to the thread groove (12).

3. The municipal environmental protection flame retardant filter bag according to claim 1, characterized in that: A sieve plate (16) is fixedly sleeved on the inner circular wall surface of the fixing ring (5) located at the top.

4. The municipal environmental protection flame retardant filter bag according to claim 1, characterized in that: A filter plate (17) is fixedly sleeved on the inner circular wall surface of the fixing ring (5) located in the middle.

5. The municipal environmental protection flame retardant filter bag according to claim 1, characterized in that: An activated carbon adsorption plate (18) is fixedly sleeved on the inner circular wall surface of the fixing ring (5) located at the bottom.

6. A municipal environmental protection flame retardant filter bag according to claim 2, characterized in that: Two drawstrings (19) are fixedly mounted on the outer circumferential wall surface of the limiting ring (13).

7. The municipal environmental protection flame retardant filter bag according to claim 1, characterized in that: Two handles (20) are fixedly mounted on the top surface of the mounting seat (1).

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