Novel rotary kiln lifting board

Abstract

The utility model relates to the technical field of kiln lifting boards, in particular to a novel rotary kiln lifting board which comprises a right-angle L-shaped board and four right-angle triangular rib boards, the four right-angle triangular rib boards are evenly arranged on the 85mm positions of the two sides of a vertical board of the right-angle L-shaped board and fixedly connected to the outer surface of the right-angle L-shaped board, and the right-angle L-shaped board is fixedly connected with the right-angle L-shaped board. The right-angle L-shaped plate is made of a 316L stainless steel rectangular plate, the right-angle L-shaped plate is formed by combining a bottom plate and a vertical plate, the size of the bottom plate is 1100 mm * 100 mm, the size of the vertical plate is 1100 mm * 300 mm, the bottom plate of the right-angle L-shaped plate is tightly attached to the rotary kiln barrel to be welded on three faces, original line contact is changed into face contact, the welding strength is improved, and the welding efficiency is improved. The two right-angle sides of the four right-angle triangular rib plates are welded to the rotary kiln barrel and the vertical plate of the right-angle L-shaped plate correspondingly, the connecting strength with the barrel is further enhanced, the tensile capacity and the impact resistance capacity are greatly improved, and meanwhile the effect that the corrosion, cracking and broken hole portions of the inner barrel are welded in a pasting and repairing mode is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kiln material lifting plate technical field, especially in a new type of rotary kiln material lifting plate. BACKGROUND

[0002] Rotary kiln is widely used in cement, metallurgy, chemical industry and other important thermal equipment, in the operation process of rotary kiln, the heating and reaction of material need to be constantly turned over in the kiln, to realize uniform heating and reaction fully, material lifting plate plays a key role in rotary kiln, it can lift and scatter material, increase the contact area and time of material and hot gas, improve heat exchange efficiency.

[0003] But because the temperature is high when rotary kiln dries copper concentrate, the processing capacity is big, the internal material lifting plate bears high temperature and concentrate impact for a long time, in addition to the erosion of S, F, Cl and other elements in concentrate material, the material lifting plate often falls off due to welding, reduces the drying and dewatering efficiency of rotary kiln, and the falling material lifting plate can damage the belt conveyor, at the same time, the rotary kiln cylinder is also eroded and appears cracking and hole, the new material lifting plate is difficult to weld on the cylinder, and the installation is not firm, which increases the maintenance time and maintenance frequency, and has great influence on production. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a new rotary kiln material lifting plate, which solves the technical problems that the temperature is high when rotary kiln dries copper concentrate, the processing capacity is big, the internal material lifting plate bears high temperature and concentrate impact for a long time, in addition to the erosion of S, F, Cl and other elements in concentrate material, the material lifting plate often falls off due to welding, reduces the drying and dewatering efficiency of rotary kiln, and the falling material lifting plate can damage the belt conveyor, at the same time, the rotary kiln cylinder is also eroded and appears cracking and hole, the new material lifting plate is difficult to weld on the cylinder, and the installation is not firm, which increases the maintenance time and maintenance frequency, and has great influence on production.

[0005] To achieve the above object, the utility model realizes the following technical scheme:

[0006] A new rotary kiln material lifting plate, including right angle L shaped board and four pieces of right angle triangle rib plate, four pieces of right angle triangle rib plate are evenly arranged at the both sides of the vertical plate of right angle L shaped board 85mm, four pieces of right angle triangle rib plate are all fixedly connected on the outer surface of right angle L shaped board.

[0007] Preferably, the right angle L shaped board is made of 316L stainless steel rectangular plate material.

[0008] Preferably, the right angle L shaped board is combined by bottom plate and vertical plate.

[0009] Preferably, the size of bottom plate is 1100mm*100mm, and the size of vertical plate is 1100mm*300mm.

[0010] Preferably, the four right-angled triangular rib plates are made of 316L stainless steel.

[0011] Preferably, the four right-angled triangular rib plates are 200mm and 100mm in size.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] I. The bottom plate of the right-angled L-shaped plate is tightly attached to the rotary kiln cylinder for three-face welding, the original linear contact is changed to surface contact, the welding strength is increased, the two right-angled edges of the four right-angled triangular rib plates are welded with the rotary kiln cylinder and the vertical plate of the right-angled L-shaped plate respectively, the connecting strength with the cylinder is further increased, the tensile and impact resistance is greatly increased, and the effect of patching and welding on the corrosion cracking and hole breaking parts of the inner cylinder is also achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following is a preferred embodiment of the utility model and the detailed description is as follows.

[0015] Figure 1 It is a right-angled L-shaped plate connecting structure of the utility model;

[0016] Figure 2 It is a right-angled triangular rib plate connecting structure of the utility model.

[0017] Legend: 1, right-angled L-shaped plate; 2, right-angled triangular rib plate. DETAILED DESCRIPTION

[0018] The embodiment of the application provides a novel rotary kiln lifting plate, which effectively solves the problems that the rotary kiln is high in temperature and large in processing capacity when drying copper concentrate, the internal lifting plate is subjected to high temperature and concentrate impact for a long time, the lifting plate is often detached and falls due to the erosion of elements such as S, F and Cl in the concentrate material, the rotary kiln drying and dehydration efficiency is reduced, the falling lifting plate damages the belt conveyor, meanwhile, the rotary kiln cylinder is also eroded and cracks and holes appear, the new lifting plate is difficult to be welded on the cylinder and is not firmly installed, the maintenance time and frequency are increased, the production is greatly affected, the bottom plate of the right-angled L-shaped plate is tightly attached to the rotary kiln cylinder for three-face welding, the original linear contact is changed to surface contact, the welding strength is increased, the two right-angled edges of the four right-angled triangular rib plates are welded with the rotary kiln cylinder and the vertical plate of the right-angled L-shaped plate respectively, the connecting strength with the cylinder is further increased, the tensile and impact resistance is greatly increased, and the effect of patching and welding on the corrosion cracking and hole breaking parts of the inner cylinder is also achieved. EMBODIMENT

[0019] As Figure 1and Figure 2 As shown in the technical scheme in the embodiments of the present application, the technical scheme effectively solves the technical problem that the lifting plate often falls off due to high temperature and large processing capacity during drying of copper concentrate in a rotary kiln, impact of concentrate, erosion of elements such as S, F and Cl in the concentrate, which reduces the drying and dehydration efficiency of the rotary kiln, and the falling lifting plate damages the belt conveyor, meanwhile, the rotary kiln cylinder is also eroded and cracks and holes appear, the new lifting plate is difficult to be welded on the cylinder and is not firmly installed, which increases the maintenance time and frequency and greatly affects the production, and the overall idea is as follows: a new rotary kiln lifting plate, which comprises a right-angle L-shaped plate 1 and four right-angle triangular rib plates 2, the right-angle L-shaped plate 1 is processed from a 316L stainless steel rectangular plate with a length of 1100 mm, a width of 400 mm and a thickness of 10 mm, and the four right-angle triangular rib plates 2 are each processed from a 316L stainless steel with a thickness of 10 mm.

[0020] The four right-angle triangular rib plates 2 are uniformly arranged at a distance of 85 mm from the two sides of the vertical plate of the right-angle L-shaped plate 1, and are fixedly connected to the outer surface of the right-angle L-shaped plate 1, the right-angle L-shaped plate 1 is made of a 316L stainless steel rectangular plate, the right-angle triangular rib plates 2 are uniformly arranged at a distance of 85 mm from the two sides of the vertical plate of the right-angle L-shaped plate 1, and the two right-angle edges are welded to the vertical plate of the L-shaped plate and the rotary kiln cylinder, and when a new lifting plate is welded to the cracked and damaged part of the rotary kiln cylinder, the cracked and damaged part is polished to be clean and then the bottom plate of the right-angle L-shaped plate 1 is directly welded to the damaged part.

[0021] The right-angle L-shaped plate 1 is composed of a bottom plate and a vertical plate, the size of the bottom plate is 1100 mm*100 mm, the size of the vertical plate is 1100 mm*300 mm, the four right-angle triangular rib plates 2 are made of 316L stainless steel, the size of the four right-angle triangular rib plates 2 is 200 mm*100 mm, the bottom plate of the right-angle L-shaped plate 1 is tightly welded to the rotary kiln cylinder from three sides, the original line contact is changed to surface contact, the welding strength is increased, the two right-angle edges of the four right-angle triangular rib plates 2 are welded to the rotary kiln cylinder and the vertical plate of the right-angle L-shaped plate 1, the connection strength with the cylinder is further increased, the tensile and impact resistance is greatly increased, and the effect of patching and welding to the corrosion, cracking and hole part of the inner cylinder is also achieved.

[0022] In view of the problems in the prior art, the present application provides a new rotary kiln lifting plate, the bottom plate of the right-angle L-shaped plate 1 is tightly welded to the rotary kiln cylinder from three sides, the original line contact is changed to surface contact, the welding strength is increased, the two right-angle edges of the four right-angle triangular rib plates 2 are welded to the rotary kiln cylinder and the vertical plate of the right-angle L-shaped plate 1, the connection strength with the cylinder is further increased, the tensile and impact resistance is greatly increased, and the effect of patching and welding to the corrosion, cracking and hole part of the inner cylinder is also achieved.

[0023] Working principle:

[0024] Firstly, the right-angle L-shaped plate 1 is made of a 316L stainless steel rectangular plate with a length of 1100 mm, a width of 400 mm and a thickness of 10 mm, and the four right-angle triangular rib plates 2 are made of 316L stainless steel with a thickness of 10 mm.

[0025] Secondly, the bottom plate of the right-angle L-shaped plate 1 is closely welded with the rotary kiln cylinder for three sides, the original line contact is changed into surface contact, the welding strength is increased, the two right-angle edges of the four right-angle triangular rib plates 2 are welded with the rotary kiln cylinder and the vertical plate of the right-angle L-shaped plate 1 respectively, the connecting strength with the cylinder is further enhanced, the tensile and impact resistance is greatly increased, meanwhile, the effect of patching and welding the corrosion and cracking broken hole parts of the inner cylinder is achieved, the right-angle triangular rib plates 2 are evenly arranged at 85 mm away from the two edges of the vertical plate of the right-angle L-shaped plate 1, the two right-angle edges are welded with the vertical plate of the L-shaped plate and the rotary kiln cylinder respectively, meanwhile, when the new refractory plate is welded at the cracking and breaking parts of the rotary kiln cylinder, the cracking and breaking parts are polished clean to the metal color, then the bottom plate of the right-angle L-shaped plate 1 is directly welded with the broken parts.

[0026] Finally, it should be pointed out that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A new type of rotary kiln flight, comprising a right angle L-shaped plate (1) and four right angle triangular rib plates (2), characterized in that, Four said right-angled triangular rib plates (2) are evenly arranged at 85mm from both sides of the vertical plate of the right-angled L-shaped plate (1), and the four said right-angled triangular rib plates (2) are fixedly connected to the outer surface of the right-angled L-shaped plate (1).

2. A new type of flight in a rotary kiln as claimed in claim 1, characterized in that, The right-angled L-shaped plate (1) is made of 316L stainless steel rectangular plate material.

3. A new type of flight in a rotary kiln as claimed in claim 1, characterized in that, The right-angled L-shaped plate (1) is composed of a bottom plate and a vertical plate.

4. A new type of flight in a rotary kiln as claimed in claim 3, characterized in that, The size of the bottom plate is 1100mm×100mm. The size of the vertical plate is 1100mm×300mm.

5. A new type of flight in a rotary kiln as claimed in claim 1, characterized in that, The four said right-angled triangular rib plates (2) are made of 316L stainless steel material.

6. A new type of flight in a rotary kiln as claimed in claim 1, characterized in that, The size of the four said right-angled triangular rib plates (2) is 200mm and 100mm.

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