Filter bag special for efficient and energy-saving hot blast stove

By designing hydraulic telescopic rods and motor drive gear systems on the filter bag, combined with high-temperature resistant materials, the self-cleaning and high-temperature resistance of the high-efficiency and energy-saving hot air furnace filter bag is achieved, which solves the problem of poor self-cleaning effect in the existing technology and extends the service life of the filter bag.

CN223221146UActive Publication Date: 2025-08-15JIANGSU LANTIAN ENVIRONMENTAL PROTECTION GRP CO LTD
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Patent Information

Application Number
CN202422265912.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-15
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing filter bags lack active self-cleaning structure in high-efficiency and energy-saving hot air furnaces, resulting in poor self-cleaning effect.

Method used

A special filter bag for high-efficiency and energy-saving hot air furnace is designed, and the installation ring and cleaning brush are driven by hydraulic telescopic rods to self-clean. The tap cleaning of the filter bag is achieved through the motor-driven gear system, combining high-temperature resistant fabrics and coatings to improve high-temperature resistance.

Benefits of technology

It realizes the efficient self-cleaning function of the filter bag, extends the service life and improves the self-cleaning effect, and ensures the cleaning effect of the filter bag with the spraying technology.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special filter bag for a high-efficiency energy-saving hot blast stove, which comprises a filter bag body, the top of the surface of the filter bag body is sleeved with a mounting ring, the top of the mounting ring is fixedly connected with a hydraulic telescopic rod, and the top of the hydraulic telescopic rod is fixedly connected with the inner wall of the high-efficiency energy-saving hot blast stove. The hydraulic telescopic rod drives the mounting ring to move downwards, the mounting ring drives the cleaning brush to move, dust on the surface of the filter bag body can be cleaned, the self-cleaning function is achieved, meanwhile, the motor drives the driving gear to rotate while the mounting ring moves downwards, and the driving gear drives the driving gear ring to rotate. The driving gear ring drives the driven gear to rotate, the driven gear drives the transmission shaft to rotate, and the transmission shaft drives the cam to rotate, so that the filter bag body can be knocked, the self-cleaning effect is further improved, the efficient self-cleaning function can be realized, and the self-cleaning effect is ensured in cooperation with the blowing effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a special filter bag for a high-efficiency and energy-saving hot blast furnace. Background Art

[0002] Filter bags are a key component in the operation of bag dust collectors. Dust filter bags, also known as filter dust bags, dust removal bags, dust filter bags, dust collection bags, dust collector bags, and dust collection bags, are a key component of bag dust collectors. A professional manufacturing base for dust removal accessories, filter bags are typically cylindrical and vertically suspended in the dust collector. The fabric and design of the filter bags should strive for high-efficiency filtration, easy dust removal, and durability. They are required for the operation of high-efficiency, energy-saving hot air furnaces. Currently, self-cleaning filter bags on the market rely primarily on air supply, lacking active dust removal mechanisms, which reduces their self-cleaning effectiveness. Utility Model Content

[0003] The purpose of the utility model is to provide a special filter bag for a high-efficiency and energy-saving hot blast furnace, which has the advantages of high efficiency and self-cleaning, and solves the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a filter bag specially designed for a high-efficiency and energy-saving hot blast furnace, comprising a filter bag body, a mounting ring sleeved on the top of the surface of the filter bag body, a hydraulic telescopic rod fixedly connected to the top of the mounting ring, the top of the hydraulic telescopic rod fixedly connected to the inner wall of the high-efficiency and energy-saving hot blast furnace, and a cleaning brush fixedly connected to the inner wall of the mounting ring;

[0005] The inner wall of the mounting ring is fixedly connected to a mounting plate, the surface of the mounting plate is fixedly connected to a transmission shaft via a bearing, the bottom of the transmission shaft is fixedly connected to a cam, the top of the transmission shaft is fixedly connected to a driven gear, the surface of the driven gear is meshed with a driving ring gear, the surface of the driving ring gear is fixedly connected to the inner wall of the mounting ring via a bearing, the surface of the driving ring gear is meshed with a driving gear, the bottom of the driving gear is fixedly connected to a motor, and the surface of the motor is fixedly connected to the surface of the mounting ring.

[0006] Preferably, the filter bag body is made of high-temperature resistant fabric, and its surface is sprayed with a high-temperature resistant coating.

[0007] Preferably, the surface of the mounting ring is provided with through holes, and the driving gear passes through the inner cavity of the through holes and is located with a gap between the through holes.

[0008] Preferably, an inner wall of the mounting ring is provided with a mounting groove for passing the driving gear ring, and a gap is left between the driving gear ring and the mounting groove.

[0009] Preferably, there are three hydraulic telescopic rods, which are arranged at equal distances around the circumference.

[0010] Preferably, the cleaning brushes are in contact with the surface of the filter bag body, and there are four cleaning brushes.

[0011] Preferably, the number of the cams is four groups, and each group consists of three cams.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model drives the mounting ring downward through the hydraulic telescopic rod, and the mounting ring drives the cleaning brush to move to clean the dust on the surface of the filter bag body, thereby realizing the self-cleaning function. At the same time, when the mounting ring moves downward, the motor drives the driving gear to rotate, the driving gear drives the driving ring gear to rotate, the driving ring gear drives the driven gear to rotate, the driven gear drives the transmission shaft to rotate, and the transmission shaft drives the cam to rotate to knock on the filter bag body, thereby further improving the self-cleaning effect. By adopting this equipment, the self-cleaning function can be realized with high efficiency, and the self-cleaning effect is guaranteed in combination with the blowing effect.

[0014] 2. The utility model adopts a filter bag body made of high-temperature resistant fabric, which can achieve good high-temperature resistance and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the structure of the utility model;

[0018] Figure 4 For this utility model Figure 3 Enlarged schematic diagram of point A in the middle.

[0019] In the figure: 1. Filter bag body; 2. Mounting ring; 3. Hydraulic telescopic rod; 4. Cleaning brush; 5. Mounting plate; 6. Drive shaft; 7. Cam; 8. Driven gear; 9. Drive ring gear; 10. Drive gear; 11. Motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The components of the present invention are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0022] Example 1:

[0023] See also Figures 1-4 In order to achieve the purpose of preliminary self-cleaning, this embodiment provides the following technical solutions, specifically disclosing: a special filter bag for a high-efficiency and energy-saving hot blast furnace, comprising a filter bag body 1, a mounting ring 2 is sleeved on the top of the surface of the filter bag body 1, a hydraulic telescopic rod 3 is fixedly connected to the top of the mounting ring 2, the top of the hydraulic telescopic rod 3 is fixedly connected to the inner wall of the high-efficiency and energy-saving hot blast furnace, a cleaning brush 4 is fixedly connected to the inner wall of the mounting ring 2, the filter bag body 1 is made of high-temperature resistant cloth, and its surface is sprayed with a high-temperature resistant coating, there are three hydraulic telescopic rods 3, and they are arranged at equal distances around the circumference, the cleaning brushes 4 are in contact with the surface of the filter bag body 1, and the number of cleaning brushes 4 is four. By adopting the filter bag body 1 made of high-temperature resistant cloth, good high-temperature resistance can be achieved and its service life can be extended.

[0024] Example 2:

[0025] See also Figures 1-4 In order to achieve the purpose of efficient self-cleaning, this embodiment provides the following technical solutions, which specifically disclose: the inner wall of the mounting ring 2 is fixedly connected to a mounting plate 5, the surface of the mounting plate 5 is fixedly connected to a transmission shaft 6 through a bearing, the bottom of the transmission shaft 6 is fixedly connected to a cam 7, and the top of the transmission shaft 6 is fixedly connected to a driven gear 8, the surface of the driven gear 8 is meshed with a driving ring gear 9, the surface of the driving ring gear 9 is fixedly connected to the inner wall of the mounting ring 2 through a bearing, the surface of the driving ring gear 9 is meshed with a driving gear 10, the bottom of the driving gear 10 is fixedly connected to a motor 11, the surface of the motor 11 is fixedly connected to the surface of the mounting ring 2, a through hole is provided on the surface of the mounting ring 2, the driving gear 10 passes through the inner cavity of the through hole and is located between the through holes, the inner wall of the mounting ring 2 is provided with a mounting groove passing through the driving ring gear 9, and a gap is left between the driving ring gear 9 and the mounting groove, and the number of cams 7 is four groups, and each group has three.

[0026] During use, the hydraulic telescopic rod 3 drives the mounting ring 2 to move downward, and the mounting ring 2 drives the cleaning brush 4 to move to clean the dust on the surface of the filter bag body 1, thereby realizing the self-cleaning function. At the same time, when the mounting ring 2 moves downward, the motor 11 drives the driving gear 10 to rotate, and the driving gear 10 drives the driving ring gear 9 to rotate, and the driving ring gear 9 drives the driven gear 8 to rotate, and the driven gear 8 drives the transmission shaft 6 to rotate, and the transmission shaft 6 drives the cam 7 to rotate to knock on the filter bag body 1, thereby further improving the self-cleaning effect.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency and energy-saving filter bag for hot blast furnaces, comprising a filter bag body (1), characterized in that: The top of the surface of the filter bag body (1) is sleeved with a mounting ring (2), the top of the mounting ring (2) is fixedly connected to a hydraulic telescopic rod (3), the top of the hydraulic telescopic rod (3) is fixedly connected to the inner wall of the high-efficiency energy-saving hot blast furnace, and the inner wall of the mounting ring (2) is fixedly connected to a cleaning brush (4); The inner wall of the mounting ring (2) is fixedly connected to a mounting plate (5), the surface of the mounting plate (5) is fixedly connected to a transmission shaft (6) via a bearing, the bottom of the transmission shaft (6) is fixedly connected to a cam (7), the top of the transmission shaft (6) is fixedly connected to a driven gear (8), the surface of the driven gear (8) is meshed with a driving gear ring (9), the surface of the driving gear ring (9) is fixedly connected to the inner wall of the mounting ring (2) via a bearing, the surface of the driving gear ring (9) is meshed with a driving gear (10), the bottom of the driving gear (10) is fixedly connected to a motor (11), and the surface of the motor (11) is fixedly connected to the surface of the mounting ring (2).

2. A high-efficiency energy-saving hot blast stove filter bag according to claim 1, characterized in that: The filter bag body (1) is made of high-temperature resistant fabric, and a high-temperature resistant coating is sprayed on its surface.

3. The high-efficiency and energy-saving filter bag for hot blast furnace according to claim 1, characterized in that: Through holes are provided on the surface of the mounting ring (2), and the driving gear (10) passes through the inner cavity of the through holes and is located between the through holes with a gap left.

4. The high-efficiency energy-saving hot blast stove filter bag according to claim 1, characterized in that: The inner wall of the mounting ring (2) is provided with a mounting groove through which the driving gear ring (9) passes, and a gap is left between the driving gear ring (9) and the mounting groove.

5. The high-efficiency and energy-saving filter bag for hot blast furnace according to claim 1, characterized in that: The number of the hydraulic telescopic rods (3) is three and they are arranged at equal distances around the circumference.

6. The high-efficiency energy-saving hot blast stove filter bag according to claim 1, characterized in that: The cleaning brushes (4) are in contact with the surface of the filter bag body (1), and there are four cleaning brushes (4).

7. The high-efficiency energy-saving hot blast stove filter bag according to claim 1, characterized in that: The number of the cams (7) is four groups, and each group consists of three cams.