Filter bag head structure

Abstract

A filter bag head structure is characterized in that a bag head is mounted in a tubesheet hole, the bag head comprises a bag head main body and bag head cloth wrapping the bag head main body, the bag head main body comprises a reinforcing rib ring, an elastic steel ring, a non-slip mat and a rubber ring, and the reinforcing rib ring comprises annular flange ribs which are convexly formed in the upper end and the lower end of the outer side wall of an annular ring body respectively; the elastic steel ring is located in the annular ring body of the reinforcing rib ring to form a supporting framework, the non-slip mat is bonded to the outer side wall of the annular ring body and located between the two flange ribs, the rubber rings are tightened and fixed to the outer side of the non-slip mat and located on one sides of the flange ribs respectively, and the hole edge of the pattern plate hole is embedded between the two rubber rings and tightly attached to the outer side of the non-slip mat. According to the utility model, the filter bag and the tubesheet are attached more tightly when being matched, the wear resistance of the bag head is enhanced, the service life is prolonged, and the risk of bag release is reduced.

Description

Technical Field

[0001] This utility model relates to the field of dust collector filter bags, and in particular to a filter bag head structure. Background Technology

[0002] Baghouse dust collectors, as a highly efficient dust removal device, are widely used in industrial dust control because they help achieve ultra-low or even near-zero emissions under strict industrial pollutant emission standards. During operation, the bag head is inserted into the perforations of the tube sheet. The outer diameter of the bag head structure must match the diameter of the perforations. However, during long-term use, coupled with the need for regular cleaning and repeated disassembly and reassembly of the filter bags in the tube sheet perforations, wear or breakage occurs in the concave parts. Deformation and wear of the bag head or tube sheet perforations after prolonged use can easily lead to the bag head not securing properly, causing the filter bag to fall off. This affects the overall dust removal efficiency of the dust collector. Furthermore, prolonged gas convection can easily cause air leakage at the seams of the bag head, similarly impacting the overall dust removal efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a filter bag head structure that allows the filter bag and the tube sheet to fit more tightly, enhances the wear resistance of the bag head, increases service life, and reduces the risk of bag detachment.

[0004] To achieve the above objectives, the solution of this utility model is:

[0005] A filter bag head structure is disclosed, wherein the bag head is installed in the perforation of a tube sheet. The bag head includes a bag head body and a bag head cloth covering the bag head body. The bag head body includes a reinforcing rib ring, an elastic steel ring, an anti-slip pad, and a rubber ring. The reinforcing rib ring includes annular flange ribs protruding from the upper and lower ends of the outer side wall of the annular ring body. The elastic steel ring is located within the annular ring of the reinforcing rib ring to form a supporting skeleton. The anti-slip pad is adhered to the outer side wall of the annular ring body and located between the two flange ribs. The rubber ring is tightly fixed to the outside of the anti-slip pad and is located on one side of the flange ribs. The edge of the perforation of the tube sheet is embedded between the two rubber rings and is close to the outside of the anti-slip pad.

[0006] Furthermore, the anti-slip mat has anti-slip patterns.

[0007] Furthermore, a groove is formed between the two flange ribs on the outer wall of the reinforcing rib ring, and the anti-slip pad is adhered to the bottom surface of the groove.

[0008] Furthermore, the flange ribs are elastic, with an outer diameter larger than the inner diameter of the perforated plate hole, and are fixed to the perforated plate hole, while the outer diameter of the anti-slip pad is smaller than the inner diameter of the perforated plate hole.

[0009] Furthermore, the height of the reinforcing rib ring is 22-42mm, the thickness of the reinforcing rib ring at the flange rib is 12-14mm, the thickness of the annular ring body corresponding to the groove is one-third of the thickness of the reinforcing rib ring at the flange rib, and the thickness of the elastic steel ring is 2mm.

[0010] Furthermore, the elastic steel ring is arranged in a ring within the annular body of the reinforcing rib ring, and the upper and lower ends of the elastic steel ring protrude to the inner side of the flange rib.

[0011] Furthermore, multiple layers are formed in the bag head fabric between the two flanges of the reinforcing rib ring, so that the seam of the bag head fabric is located inside the ring body.

[0012] Furthermore, the bag head is located at the head of the filter bag, and the bag head fabric is fixed to the body of the filter bag. The upper end of the filter bag body is rolled inward from the outside of the bag head towards the inside of the bag head and then sewn to the bag head fabric. The sewing line is located in the middle of the inside of the bag head.

[0013] By adopting the above structure, this utility model designs the filter bag head body as a reinforcing rib ring incorporating an elastic steel ring, an anti-slip pad, and a rubber ring. The outer layer of the reinforcing rib ring forms a groove that can hold the tube sheet in place, while the elastic flange ribs engage with the holes in the tube sheet. During installation, the bag head is more flush with the tube sheet, resulting in better sealing. The anti-slip pad and rubber ring increase friction, thereby enhancing the wear resistance of the bag head, reducing the chance of slippage, and extending its service life. The bag head also reduces external seams, minimizing dust leakage from the filter bag. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention (the bag head fabric is omitted).

[0015] Figure 2 This is a front view of the present invention (the bag head fabric is omitted).

[0016] Figure 3 for Figure 2 Cross-sectional view along line AA (showing the cross-section);

[0017] Figure 4 This is a schematic diagram of the structure of this utility model installed in the hole of the tube sheet. Detailed Implementation

[0018] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0019] Combination Figures 1 to 4 As shown, this utility model discloses a filter bag head structure, wherein the bag head is installed in each hole 11 of the tube sheet 1 (e.g., Figure 4As shown, the bag head includes a bag head body 2 and a bag head fabric (not shown in the figure) that wraps around the bag head body. The bag head body 2 includes a reinforcing rib ring 21, an elastic steel ring 22, an anti-slip pad 23, and a rubber ring 24. The reinforcing rib ring 21 includes annular flange ribs 212 protruding from the upper and lower ends of the outer side wall of the annular ring body 211. The elastic steel ring 22 is located inside the annular ring body 211 of the reinforcing rib ring to form a supporting skeleton. The anti-slip pad 23 is adhered to the outer side wall of the annular ring body 211 and is located between the two flange ribs 212. The rubber ring 24 is tightly fixed to the outside of the anti-slip pad 23 and is located on one side of the flange ribs. The edge 111 of the perforated plate hole 11 is embedded between the two rubber rings 24 and is close to the outside of the anti-slip pad 23. The bag head fabric can cover the bag head body 2 according to the shape of the bag head body 2, and the seam of the bag head fabric is located inside the ring body 211 to avoid the needle holes being exposed on the outside, which can easily cause the seam to open and the dust to leak out at the seam.

[0020] The anti-slip pad 23 increases the anti-slip force of the bag head body 2. The two ends of the anti-slip pad 23 are further secured by rubber rings 24. The addition of the anti-slip pad 23 allows the filter bag to fit more tightly with the tube sheet, reducing the possibility of bag detachment. Furthermore, anti-slip textures 231 can be provided on the anti-slip pad 23 to increase its friction.

[0021] The flange rib 212 protrudes outward to form a flange that can be engaged with the upper and lower surfaces of the perforated plate hole 11. The flange rib 212 is elastic, and its outer diameter is larger than the inner diameter of the perforated plate hole 11 to secure it to the perforated plate hole 11. The outer diameter of the anti-slip pad 23 is slightly smaller than the inner diameter of the perforated plate hole 11. A groove is formed between the two flange ribs 212 on the outer wall of the reinforcing rib ring 21, and the perforated plate 1 is engaged in the groove between the two rubber rings 24. The anti-slip pad 23 is adhered to the bottom surface of the groove. The reinforcing rib ring 21 can be made of rubber, and the elastic steel ring 22 can be made of metal. The elastic steel ring 22 is embedded inside the reinforcing rib ring 21 and can be manufactured by injection molding. The elastic steel ring 22 is arranged in a ring inside the annular body 211 of the reinforcing rib ring 21, which greatly increases the support strength of the reinforcing rib ring 21. The height of the elastic steel ring 22 can extend into the inner side of the flange rib 211.

[0022] The height of the reinforcing rib ring can be 22-42mm, the thickness of the reinforcing rib ring at the flange rib is 12-14mm, and the thickness of the annular ring corresponding to the groove can be one-third of the thickness of the reinforcing rib ring at the flange rib, just enough to form a groove. The thickness of the elastic steel ring 24 can be 2mm, and the width (height) of the elastic steel ring 22 can be 20-40mm.

[0023] Furthermore, multiple layers are formed in the bag head fabric between the two flange ribs 212 of the reinforcing rib ring 21 to better match and fix the perforated plate hole 11 and prevent slippage. Since the bag head of this utility model is located at the head of the filter bag (not shown in the figure), the bag head fabric is fixed to the bag body of the filter bag. The upper end of the filter bag body can be rolled inward from the outside of the bag head to the inside of the bag head and then sewn to the bag head fabric. The sewing line is located in the inner side of the bag head (it can be located in the inner wall of the annular ring 211). The outer body fabric of the filter bag is sewn inside, which can prevent pinholes that may be caused during external sewing and the opening of seams that may be caused during long-term operation, as well as the resulting dust leakage, and avoid dust leakage at the seam.

[0024] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. A filter bag head structure, the bag head being fitted in a hole of a flower board, the bag head comprising a bag head main body and a bag head cloth wrapping the bag head main body, characterized in that: The bag head body comprises a reinforcing rib ring, an elastic steel ring, an anti-skid pad and a rubber ring. The reinforcing rib ring comprises annular flange ribs formed on the upper and lower ends of the outer side wall of the annular ring body. The elastic steel ring is located in the annular ring body of the reinforcing rib ring to form a support framework. The anti-skid pad is adhered to the outer side wall of the annular ring body and located between the two flange ribs. The rubber ring is tightly fixed outside the anti-skid pad and located on one side of the flange rib. The hole edge of the flower plate hole is embedded between the two rubber rings and tightly attached to the outer side of the anti-skid pad.

2. A filter bag end construction as defined in claim 1, wherein: The anti-skid pad is provided with anti-skid lines.

3. A filter bag end construction as defined in claim 1, wherein: A groove is formed between the two flange ribs on the outer side wall of the reinforcing rib ring, and the anti-skid pad is adhered to the bottom surface of the groove.

4. A filter bag end construction as defined in claim 1, wherein: The flange rib is elastic, and the outer diameter of the flange rib is larger than the inner diameter of the flower plate hole, so that the flange rib is fixed on the flower plate hole. The outer diameter of the anti-skid pad is smaller than the inner diameter of the flower plate hole.

5. A filter bag end construction as defined in claim 1, wherein: The height of the reinforcing rib ring is 22-42mm, the thickness of the reinforcing rib ring at the flange rib is 12-14mm, the thickness of the corresponding annular ring body at the groove is one third of the thickness of the reinforcing rib ring at the flange rib, and the thickness of the elastic steel ring is 2mm.

6. A filter bag end construction as defined in claim 1, wherein: The elastic steel ring is arranged in the annular ring body of the reinforcing rib ring, and the upper and lower ends of the elastic steel ring protrude to the inner side of the flange rib.

7. A filter bag end construction as defined in claim 1 wherein: The bag head cloth is formed into multiple layers between the two flange ribs of the reinforcing rib ring, so that the sewing line of the bag head cloth is located on the inner side of the annular ring body.

8. A filter bag end construction as defined in claim 1 or 7 wherein: The bag head is located at the head of the filter bag, and the bag head cloth is fixed on the bag body of the filter bag. The upper end of the bag body of the filter bag is rolled inward after passing the outer side of the bag head to the inner side of the bag head, and then is sewn with the bag head cloth of the bag head. The sewing line is located in the inner side of the bag head. The bag head body comprises a reinforcing rib ring, an elastic steel ring, an anti-skid pad and a rubber ring. The reinforcing rib ring comprises annular flange ribs formed on the upper and lower ends of the outer side wall of the annular ring body. The elastic steel ring is located in the annular ring body of the reinforcing rib ring to form a support framework. The anti-skid pad is adhered to the outer side wall of the annular ring body and located between the two flange ribs. The rubber ring is tightly fixed outside the anti-skid pad and located on one side of the flange rib. The hole edge of the flower plate hole is embedded between the two rubber rings and tightly attached to the outer side of the anti-skid pad. The anti-skid pad is provided with anti-skid lines. A groove is formed between the two flange ribs on the outer side wall of the reinforcing rib ring, and the anti-skid pad is adhered to the bottom surface of the groove. The flange rib is elastic, and the outer diameter of the flange rib is larger than the inner diameter of the flower plate hole, so that the flange rib is fixed on the flower plate hole. The outer diameter of the anti-skid pad is smaller than the inner diameter of the flower plate hole. The height of the reinforcing rib ring is 22-42mm, the thickness of the reinforcing rib ring at the flange rib is 12-14mm, the thickness of the corresponding annular ring body at the groove is one third of the thickness of the reinforcing rib ring at the flange rib, and the thickness of the elastic steel ring is 2mm. The elastic steel ring is arranged in the annular ring body of the reinforcing rib ring, and the upper and lower ends of the elastic steel ring protrude to the inner side of the flange rib. The bag head cloth is formed into multiple layers between the two flange ribs of the reinforcing rib ring, so that the sewing line of the bag head cloth is located on the inner side of the annular ring body. The bag head is located at the head of the filter bag, and the bag head cloth is fixed on the bag body of the filter bag. The upper end of the bag body of the filter bag is rolled

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