Composite filter bag convenient to clean

Abstract

The utility model discloses a composite filter bag convenient to clean, which relates to the technical field of filter bags and comprises a filter outer frame, a filter bag fixing mechanism used for fixing the filter bag is arranged in the filter outer frame, and a gas conveying mechanism used for conveying materials is inserted into the upper end of the filter bag fixing mechanism. The anti-static filter bag solves the problems that an existing anti-static filter bag is not convenient to clean, dust in the filter bag is gathered, and the service life of a dust removal bag is affected, through the arrangement of the blocking assembly in the filter outer frame, when a dust removal device matched with the filter bag is used, the blocking assembly can be lifted to block the lower end opening of the filter bag clamping column, and the dust removal effect is improved. Cleaning control is achieved through lifting of the blocking assembly, the filter bag can be cleaned under the condition that the filter bag is not detached, and through arrangement of a filter bag clamping column and a filter bag inner pressing net in the filter bag fixing mechanism, the cylindrical filter bag connected between the filter bag clamping column and the filter bag inner pressing net in a sleeved mode can adsorb dust; and dust adsorbed in the filter bag can be conveyed into the garbage cleaning port under the combined action of gravity and airflow until being discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a composite filter bag which is easy to clean. Background Art

[0002] Filter bags have excellent chemical stability and heat resistance. They are the highest performance representatives in the filter material industry and the highest performance varieties among all commonly used filter materials. They have reached a high level in terms of filtration efficiency and filtration accuracy. Commonly used filter materials include PE, PP, PTFE, PMIA, NMO, etc. When in use, filter bags will be eroded by high-temperature flue gas for a long time. Due to the high flow rate of high-temperature flue gas, the filter bags are easily worn.

[0003] The disclosure discloses an antistatic filter bag, which comprises a filter bag body, an antistatic lining and an antistatic outer sheath, wherein the antistatic lining is compounded on the inner surface of the filter bag body, and the antistatic outer sheath is sleeved on the outside of the filter bag body; the antistatic lining comprises a nylon lining ring A, a nylon support bar and a nylon lining ring B, wherein the nylon lining ring A and the nylon lining ring B are both fixedly connected to the inner surface of the filter bag body, and the two ends of the nylon support bar are respectively fixedly connected to the nylon lining ring A and the nylon lining ring B, and the inner and outer surfaces of the filter bag body are respectively compounded with an antistatic lining and an antistatic outer sheath, wherein the main material of the antistatic lining and the antistatic outer sheath is nylon thread, and the antistatic lining and the antistatic outer sheath are used in conjunction with the filter bag body, which not only effectively reduces the generation of static electricity, but also improves the structural strength of the filter bag body, is not easy to deform and break, prolongs the service life, and improves the safety of use, but the antistatic filter bag is not easy to clean, so that the dust in the filter bag accumulates, which affects the service life of the dust removal bag, requires high-frequency replacement, and consumes manpower and material resources.

[0004] In view of the above problems, a composite filter bag which is easy to clean is proposed. Utility Model Content

[0005] The utility model aims to provide a composite filter bag which is easy to clean, thereby solving the problem that the existing antistatic filter bags in the background technology are difficult to clean, causing dust to accumulate in the filter bags, thus shortening the service life of the dust removal bags and requiring frequent replacement, which consumes manpower and material resources.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite filter bag that is easy to clean, comprising a filter outer frame, a filter bag fixing mechanism for fixing the filter bag is arranged inside the filter outer frame, an air conveying mechanism for conveying materials is inserted into the upper end of the filter bag fixing mechanism, the filter outer frame comprises an outer frame, a garbage cleaning port is opened at the lower end of the outer frame, an air outlet is arranged on one side of the outer frame, a built-in sealing plate is fixed inside the outer frame, a blocking component is movably lifted and connected to the built-in sealing plate, the filter bag fixing mechanism comprises a frame plate arranged inside the outer frame, filter bag clamping columns and filter bag inner pressure net that are mutually sleeved are arranged on the frame plate, and the lower end of the filter bag clamping column is inserted into the built-in sealing plate.

[0007] Preferably, a bayonet is provided at the upper end of the outer frame, and screws are provided on both sides of the outer frame.

[0008] Preferably, a filter bag socket for inserting a filter bag clamping column is provided in the built-in sealing plate.

[0009] Preferably, the blocking assembly includes a lifting drive fixed on the built-in sealing plate, the lifting end of the lifting drive is connected to a pressure plug, and the pressure plug is arranged in a one-to-one correspondence with the filter bag clamping column.

[0010] Preferably, the frame plate is placed inside the outer frame, and the filter bag clamping column, the filter bag inner pressure net, the filter bag socket and the pressure plug are arranged in three rows and four columns.

[0011] Preferably, a sealing sleeve is provided at the upper end of the inner pressure net of the filter bag.

[0012] Preferably, the gas delivery mechanism includes an upper cover with an insertion bayonet, a feed pipe connected to one side of the upper cover, and a diversion pipe connected to one side of the feed pipe, and the diversion pipes are arranged in three groups side by side.

[0013] Preferably, the lower end of the shunt tube is connected with a cannula, and each group of the shunt tubes is correspondingly connected with four groups of cannula.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a composite filter bag which is easy to clean. By setting a blocking component in the filter outer frame, when the dust removal device matched with the filter bag is used, the blocking component can be lifted to block the lower port of the filter bag clamping column. The lifting and lowering of the blocking component can realize cleaning control. The filter bag can be cleaned without disassembling, has a long service life, and does not need to be replaced frequently. It preliminarily solves the problem that the existing antistatic filter bag is not easy to clean, so that dust accumulates in the filter bag, affecting the service life of the dust removal bag, requiring high-frequency replacement, and consuming manpower and material resources.

[0016] 2. The utility model provides a composite filter bag which is easy to clean. Through the arrangement of the filter bag clamping column in the filter bag fixing mechanism and the pressure net in the filter bag, the cylindrical filter bag sleeved therebetween can absorb dust, and air circulates between the air transmission mechanism and the air outlet. When the dust removal device is used up, the blocking component can be controlled to descend. At this time, there is no blockage at the lower port of the filter bag. The dust absorbed in the filter bag can be transported to the garbage cleaning port under the combined action of gravity and airflow until it is discharged, which solves the problem that the existing antistatic filter bag is not easy to clean, causing dust to accumulate in the filter bag, affecting the service life of the dust removal bag, requiring high-frequency replacement, and consuming manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall opening structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the split structure of the filter outer frame of the utility model;

[0020] Figure 4 This is a structural schematic diagram of the filter bag fixing mechanism of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the gas transmission mechanism of the utility model.

[0022] In the figure: 1. filter outer frame; 11. outer frame; 111. garbage cleaning port; 112. bayonet; 113. screw; 12. air outlet; 13. built-in sealing plate; 131. filter bag socket; 14. blocking assembly; 141. pressure plug; 142. lifting drive; 2. filter bag fixing mechanism; 21. frame plate; 22. filter bag clamping column; 23. filter bag inner pressure net; 231. envelope; 3. gas transmission mechanism; 31. upper cover; 32. feed pipe; 33. diverter pipe; 331. intubation tube. DETAILED DESCRIPTION

[0023] 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.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1The utility model discloses a composite filter bag which is easy to clean, comprising a filter outer frame 1, a filter bag fixing mechanism 2 for fixing the filter bag is arranged inside the filter outer frame 1, an air conveying mechanism 3 for conveying materials is inserted into the upper end of the filter bag fixing mechanism 2, the filter outer frame 1 comprises an outer frame 11, a garbage cleaning port 111 is opened at the lower end of the outer frame 11, an air outlet 12 is arranged on one side of the outer frame 11, a built-in sealing plate 13 is fixed inside the outer frame 11, a blocking component 14 is movably lifted and connected on the built-in sealing plate 13, the filter bag fixing mechanism 2 comprises a frame plate 21 arranged inside the outer frame 11, filter bag clamping columns 22 and filter bag inner pressure net 23 which are mutually sleeved are arranged on the frame plate 21, and the lower end of the filter bag clamping column 22 is inserted into the built-in sealing plate 13.

[0026] Specifically, when the dust removal device matched with this filter bag is used, the blocking component 14 can be raised to block the lower port of the filter bag column 22, so that the cylindrical filter bag sleeved between the filter bag column 22 and the pressure net 23 in the filter bag can absorb dust, and air circulates between the air supply mechanism 3 and the air outlet 12. When the dust removal device is used up, the blocking component 14 can be controlled to descend. At this time, there is no blockage at the lower port of the filter bag. The dust absorbed in the filter bag can be transported to the garbage cleaning port 111 under the combined action of gravity and airflow until it is discharged. The cylindrical setting of this filter bag makes the lower port of the filter bag open for easy cleaning. The matching setting of the blocking component 14 and the filter bag column 22 realizes cleaning control. This filter bag can be cleaned without disassembly, has a long service life, and does not need to be replaced frequently.

[0027] The utility model is further described below in conjunction with embodiments.

[0028] Embodiment 1:

[0029] Combination Figure 2-Figure 4 A bayonet 112 is provided at the upper end of the outer frame 11 , and screws 113 are provided on both sides of the outer frame 11 . After the gas delivery mechanism 3 is inserted into the bayonet 112 , the screws 113 fix the gas delivery mechanism 3 .

[0030] A filter bag insertion opening 131 for inserting the filter bag clamping column 22 is provided in the built-in sealing plate 13 , and the filter bag insertion opening 131 is used for filtering positioning of the filter bag fixing mechanism 2 .

[0031] The blocking component 14 includes a lifting drive 142 fixed on the built-in sealing plate 13. The lifting end of the lifting drive 142 is connected to a pressure plug 141. The pressure plug 141 is arranged in a one-to-one correspondence with the filter bag column 22. The pressure plugs 141 are connected to each other. The lifting drive 142 controls the lifting and lowering of the pressure plug 141 to achieve blockage control of the filter bag column 22.

[0032] The frame plate 21 is placed in the outer frame 11, and the filter bag clamping column 22, the filter bag inner pressure net 23, the filter bag socket 131 and the pressure plug 141 are arranged in three rows and four columns. The three rows and four columns of filter bag clamping columns 22 and the filter bag inner pressure net 23 can fix the filter bag and increase the filtering adsorption area. The filter bag clamping column 22 and the filter bag socket 131 fit each other, so that a closed space is formed between the built-in sealing plate 13 and the frame plate 21, which is convenient for the filtered gas to flow along the air outlet 12.

[0033] A sealing sleeve 231 is provided at the upper end of the pressure net 23 in the filter bag, and the sealing sleeve 231 cooperates with the gas delivery mechanism 3 to deliver the gas to be filtered into the filter bag.

[0034] Embodiment 2:

[0035] Combination Figure 5 The gas delivery mechanism 3 includes an upper cover 31 provided with an insertion bayonet 112, a feed pipe 32 connected to one side of the upper cover 31, and a diverter pipe 33 connected to one side of the feed pipe 32. Three groups of diverter pipes 33 are arranged side by side. The upper cover 31 realizes the sealing of the outer frame 11, and the feed pipe 32 realizes the connection of the three groups of diverter pipes 33. The diverter pipe 33 and the pressure net 23 in the filter bag are arranged correspondingly up and down.

[0036] The lower end of the shunt pipe 33 is connected with an insert pipe 331 , and each group of shunt pipes 33 is correspondingly connected with four groups of insert pipes 331 . The insert pipes 331 are aligned with the envelope 231 and inserted to improve the filtering efficiency.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the 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 composite filter bag that is easy to clean, comprising a filter frame (1), characterized in that: A filter bag fixing mechanism (2) for fixing the filter bag is provided inside the filter outer frame (1), and a gas conveying mechanism (3) for conveying materials is inserted into the upper end of the filter bag fixing mechanism (2); The filter outer frame (1) comprises an outer frame (11), a garbage cleaning port (111) is provided at the lower end of the outer frame (11), an air outlet (12) is provided on one side of the outer frame (11), a built-in sealing plate (13) is fixed inside the outer frame (11), a blocking component (14) is movably connected to the built-in sealing plate (13), and the filter bag fixing mechanism (2) comprises a frame plate (21) arranged inside the outer frame (11), a filter bag clamping column (22) and a filter bag inner pressure net (23) which are mutually sleeved are provided on the frame plate (21), and the lower end of the filter bag clamping column (22) is inserted into the built-in sealing plate (13).

2. The easy-to-clean composite filter bag according to claim 1, characterized in that: A bayonet (112) is provided at the upper end of the outer frame (11), and screws (113) are provided on both sides of the outer frame (11).

3. The easy-to-clean composite filter bag according to claim 1, characterized in that: The built-in sealing plate (13) is provided with a filter bag insertion opening (131) for inserting a filter bag clamping column (22).

4. The composite filter bag that is easy to clean according to claim 1, characterized in that: The blocking component (14) comprises a lifting drive (142) fixed on the built-in sealing plate (13), the lifting end of the lifting drive (142) is connected to a pressing plug (141), and the pressing plug (141) is arranged in a one-to-one correspondence with the filter bag clamping column (22).

5. The composite filter bag that is easy to clean according to claim 1, characterized in that: The frame plate (21) is placed inside the outer frame (11), and the filter bag clamping column (22), the filter bag inner pressure net (23), the filter bag insertion port (131) and the pressure plug (141) are arranged in three rows and four columns.

6. The composite filter bag that is easy to clean according to claim 1, characterized in that: The upper end of the filter bag inner pressure net (23) is provided with a sealing sleeve (231).

7. The easy-to-clean composite filter bag according to claim 2, characterized in that: The gas delivery mechanism (3) comprises an upper cover (31) inserted into the bayonet (112), a feed pipe (32) connected to one side of the upper cover (31), and a diverter pipe (33) connected to one side of the feed pipe (32), wherein three groups of diverter pipes (33) are arranged side by side.

8. The easy-to-clean composite filter bag according to claim 7, characterized in that: The lower ends of the shunt tubes (33) are connected to intubations (331), and each group of shunt tubes (33) is correspondingly connected to four groups of intubations (331).

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