High-temperature-resistant dust removal filter bag for smelting plant

Abstract

The utility model discloses a high temperature resistant dust removal filter bag for smelteries, and relates to the technical field of dust removal filter bags, the dust removal filter bag comprises a chemical fiber bag body and a turnover bag opening which is arranged at the upper end of the chemical fiber bag body in a turnover mode, the turnover bag opening and the chemical fiber bag body are of an integrated structure, and an installation round frame is arranged outside the turnover bag opening. The turnover bag opening is connected with the mounting round frame in a sleeving manner; the inner supporting rods are welded to the upper end of the interior of the mounting round frame, the number of the inner supporting rods is four, an extension rod is welded to the outer wall of one side of each inner supporting rod, a base rod is welded to the lower end of each extension rod, a linkage rod is arranged below each base rod, and a top pressing disc is integrally formed at the lower end of each linkage rod; the problems that in the using process of an existing dust removal filter bag, the overall performance of the filter bag is improved only by changing materials, but the filter bag lacks an adjustable structure in the installing process, and the filter bag is inconvenient to install and unfold due to the fact that the overall structure of the filter bag is soft are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal filter bags, in particular to a high temperature resistant dust removal filter bag for a smelter. Background Art

[0002] Smelters mainly use specific process flows to melt, purify and cast ore or metal raw materials to produce metal or alloy products. The waste gas generated by the smelter needs to be cleaned and dust removed with the help of dust removal filter bags.

[0003] For example, the announcement number is: CN209123519U (named as a high-temperature resistant dust removal filter bag), which includes a filter bag body, wherein the filter bag body includes an internal fixed frame and a heat-resistant felt arranged around the outside of the internal fixed frame, and the filter bag body is a cylindrical structure, and the heat-resistant felt is a mesh structure made of metal material. The filter bag is made of 310s stainless steel material, which has the effects of high temperature resistance, corrosion resistance, high strength and long service life; by setting the protective steel plate, the inner side wall of the opening of the filter bag body can be protected, so that it is not easy to deform, thereby extending the service life; by setting the blowing pipe and the blowing hole, the dust adhering to the side wall of the filter bag body can be cleaned quickly and efficiently.

[0004] The above-mentioned dust filter bag only improves the overall performance of the filter bag by changing the material during use. However, the filter bag lacks an adjustable structure during installation, and the overall structure of the filter bag is relatively soft, which makes the installation of the filter bag inconvenient. For this reason, we provide a high-temperature resistant dust filter bag for smelters. Utility Model Content

[0005] The purpose of the utility model is to provide a high-temperature resistant dust removal filter bag for a smelter, so as to solve the problem that the existing dust removal filter bag proposed in the above background technology only improves the overall performance of the filter bag by changing the material during use, but the filter bag lacks an adjustable structure during installation, and the overall structure of the filter bag is relatively soft, which makes the installation and deployment of the filter bag inconvenient.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a high temperature resistant dust removal filter bag for a smelter, comprising a chemical fiber bag body, a folded bag opening folded on the upper end of the chemical fiber bag body, the folded bag opening and the chemical fiber bag body are an integrated structure, an installation circular frame is arranged outside the folded bag opening, and the folded bag opening is sleeve-connected with the installation circular frame;

[0007] Also includes:

[0008] An inner support rod is welded and arranged at the inner upper end position of the mounting circular frame, four inner support rods are arranged, and an extension rod is welded and arranged on the outer wall of one side of the inner support rod, a base rod is welded and arranged at the lower end of the extension rod, a linkage rod is arranged below the base rod, and a top pressure plate is integrally formed at the lower end of the linkage rod;

[0009] A threaded sleeve, which is integrally formed and arranged on the outer wall of the mounting circular frame, four threaded sleeves are arranged, and a threaded inner connecting rod is movably arranged inside the threaded sleeve, and a mounting hole plate is arranged at one end of the threaded inner connecting rod;

[0010] The counterweight plate is fixed on the bottom of the chemical fiber bag body by means of nail-free glue.

[0011] Preferably, an inner cavity is provided inside the base rod, a rod through hole is provided at one end of the inner cavity, the rod through hole is communicated with the interior of the inner cavity, and the linkage rod is movably connected with the inner cavity through the rod through hole.

[0012] Preferably, a return spring is arranged inside the inner cavity, and an anti-slip end is integrally formed at one end of the linkage rod, and the size of the anti-slip end is larger than the caliber of the rod penetration hole.

[0013] Preferably, a connecting shaft is integrally formed at one end of the mounting hole plate, an inner shaft groove is formed at the rotational connection position between the connecting shaft and the threaded inner connecting rod, and the inner shaft groove and the threaded inner connecting rod are an integral structure.

[0014] Preferably, one end of the inner shaft groove is connected to a movable rotating groove, an anti-slip shaft disc is rotatably arranged inside the movable rotating groove, and the anti-slip shaft disc and the connecting shaft are an integrated structure.

[0015] Preferably, the center point of the counterweight plate coincides with the center point of the chemical fiber bag body.

[0016] Preferably, the two ends of the return spring are fixedly connected to the anti-slip end head and the inner wall of the inner cavity by means of nail-free glue.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model folds the bag opening of the chemical fiber bag body so that the folded bag opening is sleeved on the mounting circular frame, and then pushes the linkage rod through the reset spring so that the top pressure plate contacts and presses the upper end position of the folded bag opening, and fastens the folded bag opening inside the mounting circular frame, thereby preventing the chemical fiber bag body from detaching from the mounting circular frame. The threaded inner connecting rod is adjusted to extend in length by reversing the threaded inner connecting rod, thereby facilitating the installation of the orifice plate to a suitable position, thereby improving the convenience of using the dust filter bag.

[0019] 2. The counterweight plate is made of iron. After the chemical fiber bag is installed, the counterweight plate falls naturally, making it easier for the chemical fiber bag to stretch and unfold, and it is not easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the high temperature resistant dust removal filter bag structure for smelting plants of the utility model;

[0021] Figure 2 This is a bottom view of the high temperature resistant dust removal filter bag structure for use in a smelter of the utility model;

[0022] Figure 3 It is a schematic diagram of the threaded sleeve and threaded inner connecting rod structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the inner support rod structure of the utility model;

[0024] In the figure: 1. chemical fiber bag body; 2. mounting round frame; 3. folded bag mouth; 4. inner support rod; 5. threaded sleeve; 6. threaded inner connecting rod; 7. mounting hole plate; 8. counterweight plate; 9. inner shaft groove; 10. movable rotating groove; 11. connecting shaft; 12. anti-slip shaft disc; 13. extension rod; 14. base rod; 15. inner cavity; 16. top pressure plate; 17. linkage rod; 18. rod through hole; 19. anti-slip end; 20. reset spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4 The utility model provides an embodiment: a high temperature resistant dust removal filter bag for a smelting plant, comprising a chemical fiber bag body 1, a folded bag opening 3 folded on the upper end of the chemical fiber bag body 1, the folded bag opening 3 and the chemical fiber bag body 1 are an integral structure, and a mounting circular frame 2 is arranged outside the folded bag opening 3, and the folded bag opening 3 is sleeve-connected with the mounting circular frame 2;

[0027] Also includes:

[0028] The inner support rod 4 is welded and arranged at the inner upper end position of the mounting circular frame 2. Four inner support rods 4 are arranged, and an extension rod 13 is welded and arranged on the outer wall of one side of the inner support rod 4. A base rod 14 is welded and arranged at the lower end of the extension rod 13. A linkage rod 17 is arranged below the base rod 14. A top pressure plate 16 is integrally formed at the lower end of the linkage rod 17.

[0029] The threaded sleeve 5 is integrally formed and arranged on the outer wall of the mounting circular frame 2. Four threaded sleeves 5 are provided, and a threaded inner connecting rod 6 is movably arranged inside the threaded sleeve 5. A mounting hole plate 7 is arranged at one end of the threaded inner connecting rod 6.

[0030] The counterweight plate 8 is fixed on the bottom of the chemical fiber bag body 1 by means of nail-free glue.

[0031] When in use, the bag opening of the chemical fiber bag body is folded so that the folded bag opening is sleeved on the mounting circular frame, and then the linkage rod is pushed by the reset spring so that the top pressure plate contacts and presses to the upper end position of the folded bag opening, and the folded bag opening is fastened inside the mounting circular frame, thereby preventing the chemical fiber bag body from detaching from the mounting circular frame, and the threaded inner connecting rod is adjusted to extend in length by reversing the threaded inner connecting rod, thereby facilitating the installation of the orifice plate to a suitable position.

[0032] See also Figure 4 An inner cavity 15 is provided inside the base rod 14, and a rod hole 18 is provided at one end of the inner cavity 15. The rod hole 18 is connected to the interior of the inner cavity 15, and the linkage rod 17 is movably connected to the inner cavity 15 through the rod hole 18. The inner cavity 15 provided inside the base rod 14 serves to carry the reset spring 20.

[0033] See also Figure 4 A return spring 20 is arranged inside the inner cavity 15, and an anti-slip end 19 is integrally formed at one end of the linkage rod 17. The size of the anti-slip end 19 is larger than the diameter of the rod hole 18. The return spring 20 arranged inside the inner cavity 15 plays a role in applying a thrust force to the top pressure plate 16.

[0034] See also Figure 3 A connecting shaft 11 is integrally formed at one end of the mounting hole plate 7, and an inner shaft groove 9 is provided at the rotational connection position of the connecting shaft 11 and the threaded inner connecting rod 6. The inner shaft groove 9 and the threaded inner connecting rod 6 are an integral structure. The connecting shaft 11 integrally formed at one end of the mounting hole plate 7 plays a role in assisting the mounting hole plate 7 to be rotationally connected with the threaded inner connecting rod 6.

[0035] See also Figure 3 One end of the inner shaft groove 9 is connected to a movable rotating groove 10, and an anti-slip shaft disc 12 is provided for internal rotation of the movable rotating groove 10. The anti-slip shaft disc 12 and the connecting shaft 11 are an integral structure. The movable rotating groove 10 connected to one end of the inner shaft groove 9 plays a role in assisting the internal rotation of the anti-slip shaft disc 12.

[0036] See also Figure 2 , the center point of the counterweight plate 8 coincides with the center point of the chemical fiber bag body 1.

[0037] See also Figure 4The two ends of the return spring 20 are respectively fixedly connected with the anti-slip end 19 and the inner wall of the inner cavity 15 by means of nail-free glue.

[0038] Working principle: The dust filter bag is a chemical fiber structure with the characteristics of anti-static, acid and alkali resistance, and high temperature resistance. During installation, the bag opening of the chemical fiber bag body 1 is folded so that the folded bag opening 3 is sleeved on the installation circular frame 2, and then the reset spring 20 pushes the linkage rod 17 so that the top pressure plate 16 contacts and presses to the upper end position of the folded bag opening 3, and the folded bag opening 3 is fastened to the inside of the installation circular frame 2, which prevents the chemical fiber bag body 1 from detaching from the installation circular frame 2. The threaded inner connecting rod 6 is adjusted to extend in length by reversing the threaded inner connecting rod 6, so that the installation hole plate 7 is installed in a suitable position. The counterweight plate 8 is made of iron. After the chemical fiber bag body 1 is installed, the counterweight plate 8 naturally falls, which is convenient for the chemical fiber bag body 1 to be stretched and unfolded, thereby improving the operating efficiency of the installation and unfolding of the dust filter bag, and completing the use of the high-temperature resistant dust filter bag for the smelter.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high temperature resistant dust removal filter bag for a smelting plant, comprising a chemical fiber bag body (1), a folded bag opening (3) folded at the upper end of the chemical fiber bag body (1), the folded bag opening (3) and the chemical fiber bag body (1) being an integral structure, a mounting circular frame (2) being arranged outside the folded bag opening (3), and the folded bag opening (3) and the mounting circular frame (2) being sleeve-connected; Features: Also includes: An inner support rod (4) is welded and arranged at the inner upper end position of the mounting circular frame (2), four inner support rods (4) are arranged, and an extension rod (13) is welded and arranged on the outer wall of one side of the inner support rod (4), a base rod (14) is welded and arranged at the lower end of the extension rod (13), a linkage rod (17) is arranged below the base rod (14), and a top pressure plate (16) is integrally formed at the lower end of the linkage rod (17); A threaded sleeve (5) is integrally formed and arranged on the outer wall of the mounting circular frame (2), four threaded sleeves (5) are arranged, and a threaded inner connecting rod (6) is movably arranged inside the threaded sleeve (5), and a mounting hole plate (7) is arranged at one end of the threaded inner connecting rod (6); A counterweight plate (8) is fixedly arranged at the bottom of the chemical fiber bag body (1) by means of nail-free glue.

2. The high temperature resistant dust removal filter bag for smelting plants according to claim 1 is characterized by: The base rod (14) is provided with an inner cavity (15), one end of the inner cavity (15) is provided with a rod-penetrating hole (18), the rod-penetrating hole (18) is connected to the interior of the inner cavity (15), and the linkage rod (17) is movably connected to the inner cavity (15) through the rod-penetrating hole (18).

3. The high temperature resistant dust removal filter bag for smelting plants according to claim 2 is characterized by: A return spring (20) is arranged inside the inner cavity (15), and an anti-slip end head (19) is integrally formed at one end of the linkage rod (17), wherein the size of the anti-slip end head (19) is larger than the diameter of the rod penetration hole (18).

4. The high temperature resistant dust removal filter bag for smelting plants according to claim 1 is characterized in that: One end of the mounting hole plate (7) is integrally formed with a connecting shaft (11), an inner shaft groove (9) is formed at the rotational connection position between the connecting shaft (11) and the threaded inner connecting rod (6), and the inner shaft groove (9) and the threaded inner connecting rod (6) are an integral structure.

5. The high temperature resistant dust removal filter bag for smelting plants according to claim 4, characterized in that: One end of the inner shaft groove (9) is connected to a movable rotating groove (10), and an anti-slip shaft disc (12) is rotatably arranged inside the movable rotating groove (10), and the anti-slip shaft disc (12) and the connecting shaft (11) are an integrated structure.

6. The high temperature resistant dust removal filter bag for smelting plants according to claim 1, characterized in that: The center point of the counterweight plate (8) coincides with the center point of the chemical fiber bag body (1).

7. The high temperature resistant dust removal filter bag for smelting plants according to claim 3 is characterized by: The two ends of the return spring (20) are respectively fixedly connected to the anti-slip end head (19) and the inner wall of the inner cavity (15) by means of nail-free glue.

Images