Filter structure of substrate glass kiln heating fan

Abstract

The utility model provides a filter structure of a heating furnace fan of a substrate glass furnace, which comprises an air pipe elbow, a filter flange is mounted at one end of the air pipe elbow; a filter cotton supporting keel is welded at one end of the filter flange; an end plate is welded at the other end of the filter cotton supporting keel; the two filter cotton brackets are respectively welded on the end plate and the filter flange; a notch for mounting the filter cotton supporting roller is formed in the top end of the filter cotton bracket; a filter cotton separating roller is welded at the lower end of the filter cotton bracket; a straight slotted hole is formed in the lower end of the filter cotton bracket; and the filter cotton pressing roller is sleeved in the straight slotted hole. By adopting the technical scheme, dust and foreign matters can be effectively prevented from entering the motor air inlet pipeline, and meanwhile, the whole structure is simple and the maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the field of overflow method substrate glass production and manufacturing, in particular to a filter structure of a kiln fan of a substrate glass kiln. Background Art

[0002] For glass manufacturing, the kiln is the heart of the production line. Reasonable structural design of the glass kiln, high-quality kiln construction process and successful kiln baking results are of great significance to extending the service life of the kiln and improving the output and quality of glass products.

[0003] At present, overflow substrate glass kiln adopts natural gas hot air kiln baking technology. Natural gas hot air kiln baking is an advanced kiln baking method. Natural gas is fully burned in the hot air gun and mixed with a large amount of excess air. The air is heated to a certain temperature and then evenly sprayed to various parts of the kiln. The kiln maintains a slight positive pressure, and the furnace body can be evenly thermally expanded under the full reflux of hot air.

[0004] The natural gas hot air kiln equipment of the overflow method substrate glass kiln, the kiln fan provides combustion air for the hot air gun, and the combustion air is taken from the external environment of the kiln. In the prior art, the cleanliness of the intake air is not controlled, and the combustion air is filled with a large amount of dust particles. These dust particles will adhere to and pollute the inner wall of the kiln when they enter the kiln, potentially affecting the quality of subsequent glass on the production line, and even some harmful components in the dust will potentially corrode the platinum channel body. In actual production, how to design a convenient and efficient cleaning device for the fan intake has become a technical problem that urgently needs to be solved in this industry. Utility Model Content

[0005] The purpose of the utility model is to provide a filter structure for a fan of a substrate glass kiln, so as to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A filter structure of a baking kiln fan of a substrate glass kiln, comprising: an air duct elbow; a filter flange is installed at one end of the air duct elbow; a filter cotton supporting keel is welded to one end of the filter flange; an end plate is welded to the other end of the filter cotton supporting keel; two filter cotton brackets are welded to the end plate and the filter flange respectively; a notch for installing a filter cotton supporting roller is arranged at the top of the filter cotton bracket; a filter cotton separating roller is welded to the lower end of the filter cotton bracket; a straight slot hole is arranged at the lower end of the filter cotton bracket; a filter cotton pressing roller is sleeved in the straight slot hole.

[0008] Furthermore, a crank is fixedly provided at one end of the filter cotton pressing roller by welding, and the crank drives the filter cotton pressing roller to rise and fall.

[0009] Furthermore, the filter cotton separation roller is a double roller structure; the filter cotton passes through the gap between the filter cotton pressing roller and one of the rollers of the filter cotton separation roller and then wraps around the filter cotton supporting keel for one circle.

[0010] Furthermore, it also includes a limit clamping plate connected to the filter cotton bracket by bolts, and the limit clamping plate limits the stroke of the filter cotton pressing roller in the straight slot hole.

[0011] Furthermore, the wound filter cotton extends out through the gap between the filter cotton pressing roller and the other roller of the filter cotton separation roller, so that the filter cotton supporting keel forms a closed space except for the air duct elbow interface.

[0012] Technical effects and advantages of the utility model:

[0013] (1) The utility model adopts a pre-filter design to filter out most of the dust in the combustion-supporting air, thereby ensuring the cleanliness of the kiln during the kiln baking process and guaranteeing the subsequent melting quality and service life of the pool furnace channel.

[0014] (2) The utility model is provided with a filter cotton support keel, and the cylindrical surface air intake channel formed by the filter cotton support keel increases the air intake surface area and improves the air intake efficiency.

[0015] (3) The utility model adopts a single-use filter cotton design, and the filter cotton with poor filtering effect can be quickly replaced without disassembling structural parts, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the fan filter of the utility model;

[0018] Figure 3 It is a schematic diagram of the left side view of the fan filter of the utility model.

[0019] Figure 4 This is a schematic diagram of the position structure of the limit clamping plate at location A of the utility model.

[0020] In the figure: 1. Kiln fan; 10. Fan filter; 11. Fan outlet; 12. Duct elbow; 13. Oxygen hose connector; 14. Ball valve; 15. Filter cotton bracket; 16. Filter cotton support roller; 17. Crank handle; 18. Filter cotton pressing roller; 19. Filter cotton support keel; 20. Filter flange; 21. Limiting card plate; 22. Filter cotton separation roller; 23. Straight slot hole; 24. Filter cotton roll. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. Terms such as "installation", "setting", "connection", "fixation" and "screwing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in this patent according to specific circumstances.

[0023] As attached Figure 1 As shown in the installation structure diagram of the utility model, the kiln fan 1 is a right-hand 0° centrifugal fan, the air inlet of the fan 1 is connected to the fan filter 10 through a circular flange, and the air outlet of the fan 1 is connected to the outlet 11 through a rectangular flange. The fan elbow 12 connects the fan filter 10 and the fan 1 to form a conveying channel.

[0024] As attached Figures 2 to 4 As shown, the filter structure of the substrate glass kiln furnace fan of the utility model includes an air duct elbow 12; a filter flange 20 is installed at one end of the air duct elbow 12; a filter cotton supporting keel 19 is welded to one end of the filter flange 20; an end plate is welded to the other end of the filter cotton supporting keel 19; two filter cotton brackets 15 are welded on the end plate and the filter flange 20 respectively; a notch for installing the filter cotton supporting roller 16 is provided at the top of the filter cotton bracket 15; a filter cotton separating roller 22 is welded at the lower end of the filter cotton bracket 15; a straight slot hole 23 is provided at the lower end of the filter cotton bracket 15; and a filter cotton pressing roller 18 is sleeved in the straight slot hole 23).

[0025] The air duct elbow 12 is a 90° elbow, which is connected to the kiln fan 1 through the flange 20. The air duct elbow 12 optimizes the spatial layout of the kiln fan 1 and is more conducive to the design of the oxygen interface position. The oxygen hose connector 13 is connected to the main combustion disk of the workshop through an explosion-proof hose, and the ball valve 14 is opened when oxygen is supplied and closed when it is not supplied. The timing of supplying oxygen is selected when the temperature of the kiln main control point is between 600℃ and 850℃ (overfire). At this time, the wind and fire volume of the kiln is close to the peak value, and the flue gas is about to approach or exceed the upper limit of the smoke exhaust capacity. It is necessary to increase oxygen (supply oxygen) to reduce the flue gas volume and ensure the residual oxygen content for normal combustion. The filter cotton bracket 15 and the support roller 16 are used to install the filter cotton roll 24. The filter cotton support keel 19 is φ4mm stainless steel round steel, and the preferred number is 12 to 15 equally spaced, and its two ends are welded to the flange 20 and the end plate, and the flange 20 is welded to the air duct elbow 12. The filter cotton bracket 15 is welded to the flange 20 and the end plate respectively, and connected to the limit clamp plate 21 by M4 bolts. The crank handle 17 is welded to the filter cotton pressing roller 18, and its function is to rotate the filter cotton pressing roller 18 when replacing the filter cotton. The filter cotton support roller 16 is freely connected to the filter cotton bracket 15 through the open card slot hole, which is convenient for installing the cotton roll. The material of the above accessories is SUS304.

[0026] In the embodiment of the utility model, a crank 17 is fixedly provided at one end of the filter cotton pressing roller 18 by welding, and the crank 17 drives the filter cotton pressing roller 18 to rise and fall. When replacing the filter cotton 24, the filter cotton pressing roller 18 needs to be lifted to facilitate the filter cotton 24 to pass through the gap.

[0027] In the embodiment of the utility model, the filter cotton separation roller 22 is a double roller structure; the filter cotton 24 passes through the gap between the filter cotton pressing roller 18 and one of the rollers of the filter cotton separation roller 22 and then wraps around the filter cotton support keel 19. The overall design concept is that through the combined effect of the filter cotton pressing roller 18 and the filter cotton separation roller 22, the filter cotton 24 forms a closed space around the filter cotton support keel 19, and with the effect of the closed end plate, when the kiln fan 1 starts the pumping operation, the external air enters the air duct elbow 12 through the filter cotton 24 covered by the filter cotton support keel 19, thereby ensuring the cleanliness of the air entering the kiln fan 1.

[0028] In the embodiment of the utility model, a limit clamp plate 21 is further included which is connected to the filter cotton support by bolts, and the limit clamp plate 21 limits the travel of the filter cotton pressing roller 18 in the straight slot hole 23. The wound filter cotton extends out through the gap between the filter cotton pressing roller 18 and the other roller of the filter cotton separation roller 22, so that the filter cotton support keel 19 forms a closed space except for the interface of the air duct elbow 12.

[0029] The filter cotton 24 roll passes through the filter cotton support roller 16 and is suspended between the filter cotton bracket 15. The filter cotton support roller 16 is a φ12mm round steel jacket DN15 sleeve, so the filter cotton roll 24 can rotate freely on the bracket. When installing the filter cotton through the gap between the filter cotton pressing roller 18 and the filter cotton separation roller 22, the filter cotton pressing roller 18 can be raised. After the installation is completed, it can be lowered to press the filter cotton. The straight slot hole 23 is designed to raise and lower the filter cotton pressing roller 18. The filter cotton pressing roller 18 is preferably φ12mm round steel; the filter cotton separation roller 22 is preferably φ6mm round steel, and both ends are welded to the bracket 15. The filter cotton 24 is a high-density non-woven fabric primary filter. When replacing the filter cotton, the discarded filter cotton is directly cut and recycled.

[0030] When the limiting card plate 21 limits the filter cotton pressing roller 18, the fan filter 10 is in working state, and the filter cotton 24 can easily pass through the gap therebetween. When replacing the filter cotton 24, it is necessary to raise the filter cotton pressing roller 18, and then lift it by the crank 17.

[0031] The advantage of the technical solution of the utility model is that it adopts a pre-filter design to filter out most of the dust in the combustion-supporting air, ensure the cleanliness of the kiln during the kiln baking process, and ensure the subsequent melting quality and service life of the pool furnace channel. The filter cotton support keel is set, and the cylindrical surface air intake channel formed by it increases the air intake surface area and improves the air intake efficiency. The single-use filter cotton design is adopted, and the filter cotton with poor filtering effect can be quickly replaced without disassembling the structural parts, thereby improving production efficiency.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter structure for a substrate glass kiln fan, comprising an air duct elbow (12); A filter flange (20) is installed at one end of the air duct elbow (12); a filter cotton support keel (19) is welded to one end of the filter flange (20); an end plate is welded to the other end of the filter cotton support keel (19); two filter cotton brackets (15) are welded to the end plate and the filter flange (20) respectively; a notch for installing a filter cotton support roller (16) is provided at the top end of the filter cotton bracket (15); a filter cotton separation roller (22) is welded to the lower end of the filter cotton bracket (15); a straight slot hole (23) is provided at the lower end of the filter cotton bracket (15); the characteristics are: The filter cotton pressing roller (18) is sleeved and arranged in the straight slot hole (23).

2. The filter structure of the substrate glass kiln fan according to claim 1 is characterized in that: A crank handle (17) is fixedly provided on one end of the filter cotton pressing roller (18) by welding, and the crank handle (17) drives the filter cotton pressing roller (18) to rise and fall.

3. The filter structure of the substrate glass kiln fan according to claim 1 is characterized in that: The filter cotton separation roller (22) is a double roller structure; the filter cotton passes through the gap between the filter cotton pressing roller (18) and one of the rollers of the filter cotton separation roller (22) and then wraps around the filter cotton support keel (19) for one circle.

4. The filter structure of the substrate glass kiln fan according to claim 1 is characterized in that: It also comprises a limit clamping plate (21) connected to the filter cotton support via bolts, wherein the limit clamping plate (21) limits the travel of the filter cotton pressing roller (18) in the straight slot hole (23).

5. The filter structure of the substrate glass kiln fan according to claim 3 is characterized by: The wound filter cotton extends out through the gap between the filter cotton pressing roller (18) and another roller of the filter cotton separating roller (22), so that the filter cotton supporting keel (19) forms a closed space except for the interface of the air duct elbow (12).

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