Filter assembly for pulse dust collector

Abstract

The utility model discloses a filter component for a pulse dust collector, which comprises a perforated plate, a plurality of circular mounting holes are equidistantly formed in the perforated plate, a filter bag frame is arranged in the mounting holes, a baffle is fixedly connected to the top end of the filter bag frame, a filter bag main body is arranged in the filter bag frame, and a fixed cover is arranged right above the baffle; the fixing cover comprises a mounting cover, a fixing ring and a threaded ring plate, the threaded ring plate is fixedly connected to the outer side end of the mounting cover, the threaded ring plate is provided with an internal thread, the fixing ring is fixedly connected to the lower end of the mounting cover, and the fixing ring is contracted inwards from the middle to the lower end. The fixing ring of the mounting cover is inserted into the dust removal filter bag, so that the dust removal filter bag sleeves the fixing ring and extends to the bottom of the mounting cover, meanwhile, the top of the dust removal filter bag extends outwards, the dust removal filter bag is fixed by virtue of threaded fit of the mounting cover and the baffle, and parts used for mounting the filter bag are relatively small, so that a user can conveniently replace the filter bag.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment, in particular to a filter assembly for a pulse dust collector. Background Art

[0002] The pulse dust collector is a new type of high-efficiency pulse dust collector improved on the basis of the bag dust collector. It combines the advantages of various pulse jet dust collectors with chamber back-blowing, overcomes the shortcomings of insufficient chamber cleaning intensity and uneven distribution of inlet and outlet air, and expands the scope of application.

[0003] Patent application number "CN202021730302.1", patent name "A bag-type dust collector with convenient filter replacement", adopts a clean air outlet on the upper part of the side wall of the dust collector box, a dust gas inlet on the lower part of the side wall of the dust collector box, a ash hopper connected to the bottom of the dust collector box, a blow pipe on the top of the inside of the dust collector box, a snap-on flower plate connected below the blow pipe, a bag assembly snapped on the snap-on flower plate, the blow pipe is located on the outside of the dust collector box and is connected to an electromagnetic pulse valve, and the electromagnetic pulse valve is connected to the air bag. The function of making the installation and removal of the dust collector filter bag more convenient and the installation of the filter bag more secure is achieved. The problem that the installation of the dust collector filter bag is time-consuming and labor-intensive, and the bag is easily loosened during use, affecting the operation of the dust collector is solved.

[0004] In the above scheme, the filter bag body is installed through the clamping block receiving hole on the cloth bag hanging ear in cooperation with the flower plate clamping block, and the filter bag needs to be fixed with the clamping block receiving groove of the skeleton clamping block. The components used for installing the filter bag are large in size, which affects the user's efficiency in replacing the filter bag. Utility Model Content

[0005] The purpose of the utility model is to provide a filter assembly for a pulse dust collector, which can be used to install dust filter bags and improve the connection strength between the filter bags and the device after installation. At the same time, the parts required for installing and disassembling the dust filter bags are small in size, which is convenient for staff to operate.

[0006] To achieve the above-mentioned purpose, a filter assembly for a pulse dust collector is provided, comprising: a perforated plate, characterized in that a plurality of circular mounting holes are equidistantly provided on the perforated plate, a filter bag frame is provided in the mounting hole, and the outer end of the filter bag frame is slidably connected to the side wall of the mounting hole, a baffle is fixedly connected to the top of the filter bag frame, and a circular hole coinciding with the internal channel of the filter bag frame is provided in the middle of the baffle, the baffle is located at the upper end of the perforated plate, and the baffle is provided with an external thread, a filter bag body is provided in the filter bag frame, the top of the filter bag body is located at the upper end of the baffle, a fixed cover is provided directly above the baffle, and the fixed cover The bottom extends through the filter bag body to the filter bag frame, the baffle extends into the fixed cover and is threadedly matched with the side wall of the fixed cover; the fixed cover includes a mounting cover, a fixing ring and a threaded ring plate, the mounting cover is located directly above the baffle, and the mounting cover has the same external structure as the baffle, the threaded ring plate is fixedly connected to the outer end of the mounting cover, and the threaded ring plate is located at the bottom of the mounting cover, the threaded ring plate is provided with an internal thread, and the external thread of the baffle matches the internal thread of the threaded ring plate, the fixing ring is fixedly connected to the lower end of the mounting cover, and the interior of the fixing ring is communicated with the channel in the mounting cover, and the fixing ring is located inside the filter bag body. The dust filter bag can be installed, and the connection strength between the filter bag and the device after installation is improved. At the same time, the volume of the components required for the installation of the dust filter bag is small, which is convenient for the staff to operate.

[0007] According to the filter assembly for a pulse dust collector, the upper end of the perforated plate is provided with a plurality of circular fixing grooves, and the fixing grooves extend into the perforated plate, and the fixing grooves are equidistantly surrounded by the outside of the mounting hole, and the lower end of the baffle is fixedly connected with a circular stopper, and the stopper extends into the fixing groove and is slidably connected to the fixing groove, which is used to limit the filter bag frame to prevent the filter bag frame from rotating on the surface of the perforated plate due to the influence of airflow.

[0008] According to the filter assembly for a pulse dust collector, the perforated plate is made of Q235 material, and a magnet column is fixedly connected to the bottom of the limit block, so that the limit block can be adsorbed with the perforated plate to fix the filter bag frame, thereby improving the connection strength between the perforated plate and the filter bag frame.

[0009] According to the filter assembly for a pulse dust collector, the installation cover is made of magnetic metal, and a soft magnetic strip is installed around the top of the inner wall of the filter bag body, which is used to fix the filter bag body on the surface of the installation cover, prevent the filter bag body from moving when installing the filter bag body, and facilitate the installation of the dust filter bag.

[0010] According to the filter assembly for a pulse dust collector, the diameter of the fixing ring gradually decreases from the middle to the lower end, making it easy to insert the fixing ring into the dust filter bag.

[0011] According to the filter assembly for a pulse dust collector, a plurality of channels are equidistantly arranged on the surface of the filter bag frame, so as to allow the gas after dust removal to leave the filter bag frame.

[0012] The above scheme has the beneficial effects of inserting the fixing ring of the mounting cover into the dust filter bag, so that the dust filter bag is put on the fixing ring and extends to the bottom of the mounting cover, and at the same time the top of the dust filter bag is stretched outward, and the dust filter bag is fixed by utilizing the threaded cooperation between the mounting cover and the baffle, and the parts used for mounting the filter bag are small, so it is convenient for users to replace the filter bag.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a three-dimensional diagram of a filter assembly for a pulse dust collector of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of a perforated plate of a filter assembly for a pulse dust collector of the utility model;

[0017] Figure 3 This is a bottom perspective view of a fixed cover of a filter assembly for a pulse dust collector according to the utility model;

[0018] Figure 4 The utility model is a bottom perspective view of a filter bag frame of a filter assembly for a pulse dust collector.

[0019] Legend:

[0020] 1. Fixed cover; 2. Perforated plate; 3. Filter bag frame; 4. Filter bag body; 5. Mounting hole; 6. Fixed groove; 7. Mounting cover; 8. Fixed ring; 9. Threaded ring plate; 10. Baffle; 11. Limit block. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4The utility model embodiment is a filter assembly for a pulse dust collector, which includes: a perforated plate 2, a plurality of circular mounting holes 5 are equidistantly opened on the perforated plate 2, a filter bag frame 3 is arranged in the mounting hole 5, and the outer end of the filter bag frame 3 is slidably connected to the side wall of the mounting hole 5, a baffle 10 is fixedly connected to the top of the filter bag frame 3, and a circular hole coincident with the internal channel of the filter bag frame 3 is opened in the middle of the baffle 10, the baffle 10 is located at the upper end of the perforated plate 2, and the baffle 10 is provided with an external thread, a filter bag body 4 is arranged in the filter bag frame 3, the top of the filter bag body 4 is located at the upper end of the baffle 10, a fixed cover 1 is arranged directly above the baffle 10, and the bottom of the fixed cover 1 passes through the filter The bag body 4 extends into the filter bag frame 3, and the baffle 10 extends into the fixed cover 1 and cooperates with the side wall thread of the fixed cover 1; the fixed cover 1 includes a mounting cover 7, a fixing ring 8 and a threaded ring plate 9, the mounting cover 7 is located directly above the baffle 10, and the mounting cover 7 and the baffle 10 have the same outer structure, the threaded ring plate 9 is fixedly connected to the outer end of the mounting cover 7, and the threaded ring plate 9 is located at the bottom of the mounting cover 7, the threaded ring plate 9 is provided with an internal thread, and the external thread of the baffle 10 cooperates with the internal thread of the threaded ring plate 9, the fixing ring 8 is fixedly connected to the lower end of the mounting cover 7, and the interior of the fixing ring 8 is communicated with the channel in the mounting cover 7, and the fixing ring 8 is located inside the filter bag body 4.

[0023] A plurality of circular fixing grooves 6 are provided at the upper end of the flower hole plate 2, and the fixing grooves 6 extend into the flower hole plate 2, and the fixing grooves 6 are equidistantly surrounded by the outside of the mounting hole 5. A circular limit block 11 is fixedly connected to the lower end of the baffle 10, and the limit block 11 extends into the fixing groove 6 and is slidably connected to the fixing groove 6.

[0024] The flower hole plate 2 is made of Q235 material, and a magnet column is fixedly connected to the bottom of the limit block 11.

[0025] The mounting cover 7 is made of magnetic metal, and a soft magnetic strip is mounted around the top of the inner wall of the filter bag body 4 .

[0026] The diameter of the fixing ring 8 gradually decreases from the middle to the lower end.

[0027] A plurality of channels are equidistantly arranged on the surface of the filter bag frame 3 .

[0028] Working principle: When installing the dust filter bag, first put the filter bag frame 3 into the installation hole 5, the baffle 10 at the upper end of the filter bag body 4 is located at the upper end of the perforated plate 2, and by rotating the baffle 10, the limit block 11 at the lower end of the baffle 10 enters the fixed groove 6, and then the filter bag body 4 is connected to the fixed cover 1, and the fixing ring 8 of the fixed cover 1 is inserted into the filter bag body 4. After the upper end of the filter bag body 4 extends to the lower end of the installation cover 7, the top of the filter bag body 4 is turned outward to make the inner wall of the filter bag body 4 contact with the lower end of the installation cover 7, and then the filter bag body 4 is placed in the filter bag frame 3 until the baffle 10 enters the fixed cover 1. Then rotate the fixed cover 1, and fix the fixed cover 1 and the baffle 10 together through the cooperation of the threaded ring plate 9 and the outer end of the baffle 10, and use the installation cover 7 to cooperate with the baffle 10 to squeeze the filter bag body 4, so as to improve the installation strength of the filter bag body 4. When the filter bag body 4 needs to be replaced, rotate the fixed cover 1 in the opposite direction to remove it from the baffle 10, and then remove the filter bag body 4 from the fixed cover 1, and repeat the above operation of connecting the filter bag body 4 with the fixed cover 1, then put the new filter bag body 4 into the filter bag frame 3, rotate the fixed cover 1 at the outer end of the baffle 10, and complete the replacement of the filter bag body 4.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A filter assembly for a pulse dust collector, comprising: The perforated plate (2) is characterized in that a plurality of circular mounting holes (5) are equidistantly provided in the perforated plate (2), a filter bag frame (3) is provided in the mounting hole (5), and the outer end of the filter bag frame (3) is slidably connected to the side wall of the mounting hole (5), a baffle (10) is fixedly connected to the top of the filter bag frame (3), and a circular hole that coincides with the internal channel of the filter bag frame (3) is provided in the middle of the baffle (10), the baffle (10) is located at the upper end of the perforated plate (2), and the baffle (10) is provided with an external thread, a filter bag body (4) is provided in the filter bag frame (3), the top of the filter bag body (4) is located at the upper end of the baffle (10), a fixed cover (1) is provided directly above the baffle (10), and the bottom of the fixed cover (1) extends through the filter bag body (4) into the filter bag frame (3), and the baffle (10) extends into the fixed cover (1) and is threadedly matched with the side wall of the fixed cover (1); The fixing cover (1) comprises a mounting cover (7), a fixing ring (8) and a threaded ring plate (9); the mounting cover (7) is located directly above the baffle (10), and the mounting cover (7) and the baffle (10) have the same external structure; the threaded ring plate (9) is fixedly connected to the outer end of the mounting cover (7), and the threaded ring plate (9) is located at the bottom of the mounting cover (7); the threaded ring plate (9) is provided with an internal thread, and the external thread of the baffle (10) matches the internal thread of the threaded ring plate (9); the fixing ring (8) is fixedly connected to the lower end of the mounting cover (7), and the interior of the fixing ring (8) is communicated with a channel in the mounting cover (7); the fixing ring (8) is located inside the filter bag body (4).

2. A filter assembly for a pulse dust collector according to claim 1, characterized in that: A plurality of circular fixing grooves (6) are formed at the upper end of the perforated plate (2), and the fixing grooves (6) extend into the perforated plate (2). The fixing grooves (6) surround the outside of the mounting hole (5) at equal intervals. A circular limiting block (11) is fixedly connected to the lower end of the baffle (10), and the limiting block (11) extends into the fixing groove (6) and is slidably connected to the fixing groove (6).

3. A filter assembly for a pulse dust collector according to claim 1, characterized in that: The perforated plate (2) is made of Q235 material, and a magnet column is fixedly connected to the bottom of the limiting block (11).

4. A filter assembly for a pulse dust collector according to claim 1, characterized in that: The installation cover (7) is made of magnetic metal, and a soft magnetic strip is installed around the top of the inner wall of the filter bag body (4).

5. The filter assembly for a pulse dust collector according to claim 1, characterized in that: The diameter of the fixing ring (8) gradually decreases from the middle to the lower end.

6. A filter assembly for a pulse dust collector according to claim 1, characterized in that: The surface of the filter bag frame (3) is provided with a plurality of channels at equal intervals.

Images