Adjustable dust removal valve for tabular corundum production

Abstract

The utility model discloses an adjustable dust removal valve for tabular corundum production, which relates to the field of tabular corundum processing and comprises a valve body, a feed pipe, a discharge pipe and a flashboard. The top end of the valve body is connected with a feeding pipe; the bottom end of the valve body is connected with a discharging pipe; the bottom end of the feeding pipe is located in an inner cavity of the valve body. A gate plate is arranged in an inner cavity of the valve body and located below the feeding pipe. The end face of the bottom end of the feeding pipe is an arc face protruding downwards and outwards, and the top face of the gate plate is an arc face which is matched with the end face of the bottom end of the feeding pipe and is concave downwards and inwards. A gap is formed between the end surface of the bottom end of the feeding pipe and the top surface of the gate plate; the adjustable dust removal valve not only can effectively protect and reduce the abrasion degree of the valve flashboard, but also can remove dust in the valve, and solves the problem of dust raising when the valve is opened.

Description

TECHNICAL FIELD

[0001] The utility model relates to tabular corundum processing field especially relates to a adjustable dust removal valve for tabular corundum production. BACKGROUND

[0002] Tabular corundum is a kind of sintered corundum that is burned completely with shrinkage without adding any additive, with α-Al2O3 crystal structure of coarse crystal and well-developed, the content of Al2O3 is more than 99%, with the characteristics of high temperature resistance, corrosion resistance, high hardness, etc.The commonly used production process is: alumina is ground into fine powder, and water is added to form balls, and the wet green balls are dried and then put into a shaft kiln for calcination, and the cooked balls after calcination are crushed and ground for several times to prepare particles of different particle sizes, with the minimum particle size of about 3 microns and the maximum particle size of about 20 millimeters.

[0003] A large number of valves are used in the production process of tabular corundum to separate and intercept materials, due to the small particle size of tabular corundum, when the conventional valve is used, a part of tabular corundum will enter the gap of the part in the valve that directly contacts with the tabular corundum, due to the high hardness of tabular corundum, the gap between the connecting parts of each part (such as hinge and gate) will be expanded, resulting in the phenomenon that the valve cannot be normally used due to the loose closing and material leakage, and the tabular corundum falling directly from high position on the gate plate of the valve will cause the gate plate to be damaged faster, which is a problem in the industry. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a adjustable dust removal valve for tabular corundum production, which can effectively protect and reduce the wear degree of the valve gate plate, and remove the dust in the valve to solve the dust problem when opening the valve.

[0005] The utility model solves the technical scheme that adopts: a adjustable dust removal valve for tabular corundum production, including valve body, feed pipe, discharge pipe and gate plate, the valve body top end connects feed pipe, and the valve body bottom end connects discharge pipe, the bottom end of feed pipe is located in the inner chamber of valve body, the inner chamber of valve body is equipped with gate plate, and the gate plate is located below feed pipe, the bottom end face of feed pipe is the circular arc surface that outwardly protrudes downward, and the top face of gate plate is the circular arc surface that inwardly concaves downward and is adapted to the bottom end face of feed pipe, there is gap between the bottom end face of feed pipe and the top face of gate plate, the inner chamber of valve body is equipped with telescopic mechanism, one end of telescopic mechanism is installed on the rear side wall of inner chamber of valve body, and the other end of telescopic mechanism is connected to the rear side of gate plate, the inner chamber of valve body is equipped with dust collection mechanism, the inside of feed pipe is equipped with a plurality of discharge buffering mechanisms, and the discharge buffering mechanisms are vertically distributed in feed pipe.

[0006] The telescopic mechanism is a hydraulic telescopic rod, one end of the hydraulic telescopic rod is connected to the rear side wall of the inner cavity of the valve body through a bolt, and the other end of the hydraulic telescopic rod is connected to the rear side of the gate through a bolt; the telescopic mechanism can be controlled to drive the gate to move horizontally through a remote controller, so that the opening and closing of the port at the bottom end of the feeding pipe are realized.

[0007] The dust suction mechanism is composed of a dust suction plate, a fan and a dust collecting box; the dust suction plate is installed on the left and right side walls of the inner cavity of the valve body, the surface of the dust suction plate is provided with a plurality of dust suction ports connected with the air suction pipes of the fan, the fan and the dust collecting box are installed on the outer side wall of the valve body, and the air outlet pipe of the fan is connected with the dust collecting box; when the plate-shaped corundum is discharged, a large amount of dust is generated, at this time, the fan is started, the dust is sucked into the dust suction plate, and finally collected in the dust collecting box.

[0008] The discharging buffer mechanism is composed of a hinged support, a buffer plate and a spring, the hinged support is installed on the inner wall of the feeding pipe through a bolt, one end of the hinged support is connected with the buffer plate, and the bottom of the buffer plate is connected with the inner wall of the feeding pipe through a spring; the buffer plate is arranged in an inclined mode, one end of the buffer plate connected with the hinged support is a high end, and the other end of the buffer plate away from the hinged support is a low end; when the feeding pipe is discharged, the plate-shaped corundum falls on the buffer plate from top to bottom in sequence, and the buffer plate plays a buffering role under the action of the spring, so that the impact force on the top surface of the gate is reduced.

[0009] Compared with the prior art, the beneficial effects of the present application are:

[0010] (1) The bottom end of the feeding pipe and the gate adopt a circular arc structure, and there is a certain gap between the two, the plate-shaped corundum passes through the gap and emerges to the outside of the bottom end of the feeding pipe, and is affected by its own extrusion and friction force, and will not continue to emerge, the part of the plate-shaped corundum that emerges will not fall off under the bearing of the gate, realizes static, and seals the gap; when discharging is needed, the gate is removed from below the feeding pipe through the telescopic mechanism, and the operation is convenient.

[0011] (2) The dust suction mechanism is arranged in the valve body, and the dust can be effectively sucked and removed when discharging is started, so that the problem of dust emission during discharging is solved.

[0012] (3) A plurality of discharging buffer mechanisms are arranged in the feeding pipe, and the plate-shaped corundum falling in sequence is buffered, so that the plate-shaped corundum is prevented from directly falling on the gate, and the wear degree of the valve gate is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0014] Figure 1 is the structure schematic diagram of the front side of the utility model (the shutter is located below the feed pipe);

[0015] Figure 2 is the structure schematic diagram of the left side of the utility model (the shutter is located below the feed pipe);

[0016] Figure 3 is the structure schematic diagram of the left side of the utility model (the shutter is located at one side of the feed pipe);

[0017] Figure 4 is the structure schematic diagram when the shutter is located below the feed pipe;

[0018] Figure 5 is the structure schematic diagram when the shutter is located below the feed pipe.

[0019] Indicated in the figure, 1. valve body, 2. feed pipe, 3. discharge pipe, 4. shutter, 5. gap, 6. telescopic mechanism, 7. dust absorption plate, 8. fan, 9. dust collection box, 10. hinged support, 11. buffer plate, 12. spring, 13. tabular corundum. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following further detailed description is made to the utility model in combination with examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] Referring to Figures 1-4 , the embodiment provides a kind of adjustable dust removal valve for tabular corundum production, including valve body 1, feed pipe 2, discharge pipe 3 and shutter 4;The top end of the valve body 1 is welded and connected feed pipe 2, and the bottom end of the valve body 1 is welded and connected discharge pipe 3;The bottom end of the feed pipe 2 is located in the inner cavity of valve body 1;The inner cavity of valve body 1 is equipped with a shutter 4, and the shutter 4 can be moved horizontally below feed pipe 2;The bottom end face of the feed pipe 2 is downwardly convex circular arc surface, and the top surface of the shutter 4 is downwardly concave circular arc surface corresponding to the bottom end face of the feed pipe 2;The bottom end face of the feed pipe 2 and the top surface of the shutter 4 have gap 5;The inner cavity of valve body 1 is equipped with a telescopic mechanism 6, and one end of telescopic mechanism 6 is bolted on the rear side wall of the inner cavity of valve body 1, and the other end of telescopic mechanism 6 is bolted to the rear side of shutter 4;Dust absorption mechanism is arranged in the inner cavity of valve body 1;Multiple discharge buffering mechanisms are arranged in the feed pipe 2, and the discharge buffering mechanisms are vertically distributed in the feed pipe 2.

[0022] In the embodiment, the telescopic mechanism 6 is preferably a hydraulic telescopic rod, one end of the hydraulic telescopic rod is connected to the rear side wall of the inner cavity of the valve body 1 through bolts, and the other end of the hydraulic telescopic rod is connected to the rear side of the gate plate 4 through bolts; the telescopic mechanism 6 can drive the gate plate 4 to move horizontally through the remote controller, so as to realize the opening and closing of the bottom end port of the feeding pipe 2.

[0023] In the embodiment, the dust suction mechanism is composed of a dust suction plate 7, a fan 8 and a dust collecting box 9; the dust suction plate 7 is installed on the left and right side walls of the inner cavity of the valve body 1, the surface of the dust suction plate 7 is provided with a plurality of dust suction ports connected with the suction pipes of the fan 8, the fan 8 and the dust collecting box 9 are installed on the outer side wall of the valve body 1, and the air outlet pipe of the fan 8 is connected with the dust collecting box 9; a large amount of dust will be generated when the plate-shaped corundum is discharged, at this time, the fan 8 is started through remote control, the dust is sucked into the dust suction plate 7, and finally collected in the dust collecting box 9.

[0024] In the embodiment, the discharge buffering mechanism is composed of a hinged support 10, a buffering plate 11 and a spring 12, the hinged support 10 is installed on the inner wall of the feeding pipe 2 through bolts, one end of the hinged support 10 is hinged to the buffering plate 11, and the bottom of the buffering plate 11 is connected to the inner wall of the feeding pipe 2 through the spring 12; the buffering plate 11 is arranged in an inclined manner, one end of the buffering plate 11 hinged to the hinged support 10 is the high end, and the other end of the buffering plate 11 away from the hinged support 10 is the low end; when the feeding pipe 2 is discharged, the plate-shaped corundum will fall on the buffering plate 11 from top to bottom in turn, and the buffering plate 11 plays a buffering role under the action of the spring 12, so as to reduce the impact force on the top surface of the gate plate 4.

[0025] Referring to Figure 5 , the bottom end of the feeding pipe 2 and the gate plate 4 adopt a circular arc structure, and there is a gap 5 between the two, the plate-shaped corundum 13 will not continue to flow out after flowing out to the outer end of the bottom end of the feeding pipe 2, which is affected by its own extrusion and friction force, the part of the plate-shaped corundum 13 flowing out will not fall off under the bearing of the gate plate 4, realizes static state, and blocks the gap 5.

[0026] When discharging, the gate plate 4 is moved away from below the feeding pipe 2 through the telescopic mechanism 6, and the plate-shaped corundum falls and is discharged from the discharge pipe 3.

[0027] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized through or by using the prior art, which will not be described here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. An adjustable dust removal valve for the production of tabular corundum, comprising a valve body (1), a feed pipe (2), a discharge pipe (3) and a gate plate (4); the top end of the valve body (1) is connected with the feed pipe (2), and the bottom end of the valve body (1) is connected with the discharge pipe (3); the bottom end of the feed pipe (2) is located in the inner cavity of the valve body (1); characterized in that, The inner cavity of the valve body (1) is provided with a shutter (4), which is located below the feed pipe (2); the bottom end face of the feed pipe (2) is a downward convex arc face, and the top face of the shutter (4) is a downward concave arc face adapted to the bottom end face of the feed pipe; the bottom end face of the feed pipe (2) and the top face of the shutter (4) have a gap (5) therebetween; the inner cavity of the valve body (1) is provided with a telescopic mechanism (6), one end of which is installed on the rear side wall of the inner cavity of the valve body (1), and the other end of which is connected to the rear side face of the shutter (4); the inner cavity of the valve body (1) is provided with a dust suction mechanism; the inside of the feed pipe (2) is provided with a plurality of discharge buffering mechanisms, which are vertically and equidistantly distributed in the feed pipe (2).

2. The adjustable dust removal valve for production of tabular corundum according to claim 1, characterized by, The telescopic mechanism (6) is a hydraulic telescopic rod.

3. The adjustable dust removal valve for production of tabular corundum according to claim 1, characterized by, The dust suction mechanism is composed of a dust suction plate (7), a fan (8) and a dust collecting box (9); the dust suction plate (7) is installed on the left and right side walls of the inner cavity of the valve body (1), the surface of the dust suction plate (7) is provided with a plurality of dust suction ports connected with the suction pipes of the fan (8), the fan (8) and the dust collecting box (9) are installed on the outer side wall of the valve body (1), and the air outlet pipe of the fan (8) is connected with the dust collecting box (9).

4. The adjustable dust removal valve for production of tabular corundum according to claim 1, characterized by, The discharge buffering mechanism is composed of a hinged support (10), a buffering plate (11) and a spring (12), the hinged support (10) is installed on the inner wall of the feed pipe (2) by bolts, one end of the hinged support (10) is connected with the buffering plate (11), and the bottom of the buffering plate (10) is connected with the inner wall of the feed pipe (2) by the spring (12).

5. The adjustable dust removal valve for production of tabular corundum according to claim 4, characterized by, The buffering plate (11) is inclined, one end of the buffering plate (11) connected with the hinged support (10) is the high end, and the other end of the buffering plate (11) away from the hinged support (10) is the low end.

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