Split-structure lifting board for iron ore concentrate drying machine and iron ore concentrate drying machine

Abstract

The utility model discloses a split structure lifting board for an iron ore concentrate dryer and the iron ore concentrate dryer, and relates to the technical field of cylindrical dryers, the split structure lifting board comprises a base, a lifting board and at least one reinforcing plate, the base is used for being welded and fixed with a dryer cylinder; the lifting plate is used for being detachably and fixedly connected with the base so as to lift the materials to a certain height from the bottom of the cylinder and then scatter the materials, so that the contact surface between the materials and hot air is increased; the drying machine is simple in structure and convenient to use, and the maintenance efficiency and the operation performance of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cylinder dryer technical field especially is related to a split structure material lifting plate for iron concentrate dryer and iron concentrate dryer. BACKGROUND

[0002] The material lifting plate is a key structural component in the internal design of the cylinder dryer, which lifts the material from the bottom of the cylinder to a certain height and then allows it to fall, thereby increasing the contact area of the material with the hot air, improving the heat exchange efficiency, and accelerating the evaporation of moisture. The existence of the material lifting plate greatly improves the drying efficiency and material handling capacity of the dryer.

[0003] The integral design of the material lifting plate is prefabricated in the factory and welded to the inner wall of the dryer. The replacement process is to first clean the accumulated material on the base, then cut off the old material lifting plate, and finally weld the new material lifting plate. Replacing one piece of material lifting plate in the drying cylinder requires 5 hours, and there are 425 pieces of material lifting plate in the drying cylinder. Complete replacement takes nearly 2 months. For high-efficiency production lines, there is no time for replacement and maintenance during operation, which reduces the heat exchange efficiency of the dryer.

[0004] During the replacement of the integral material lifting plate, cleaning the accumulated material is indeed a challenge, especially achieving 100% cleaning is difficult. The residue of the accumulated material may cause uneven local temperature and form inclusions, which may cause deformation or cracking during long-term operation, and in extreme cases, the material lifting plate may fall off, causing production accidents. SUMMARY

[0005] The utility model aims to provide a split structure material lifting plate for iron concentrate dryer and iron concentrate dryer to solve the above-mentioned problems existing in the prior art, which is simple in structure, convenient to use, and improves the maintenance efficiency and operation performance of the equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0007] The utility model provides a split structure material lifting plate for iron concentrate dryer, which comprises a base, a material lifting plate, and at least one reinforcing plate. The base is used to be welded and fixed with the dryer cylinder. The material lifting plate is used to be detachably fixed and connected with the base to lift the material from the bottom of the cylinder to a certain height and then allow it to fall, thereby increasing the contact area of the material with the hot air. The bottom end of the reinforcing plate is welded and fixedly connected with the dryer cylinder, and the other end is welded and fixedly connected with the base to support the base.

[0008] Preferably, a plurality of fixing bolts and a plurality of fixing nuts are further included, a plurality of first through holes are arranged on the material lifting plate, a plurality of second through holes are correspondingly arranged on the base, the fixing bolts are used to pass through the first through holes and the second through holes and are threadedly connected with the fixing nuts to fix the material lifting plate and the base.

[0009] Preferably, the base, the material lifting plate and the reinforcing plate are all made of 16Mn material.

[0010] Preferably, the width of the base is 0.8 m, and the thickness of the base is 15-32 mm.

[0011] Preferably, the width of the material lifting plate is 0.8 m, and the thickness of the material lifting plate is 15-32 mm.

[0012] Preferably, the diameter of the fixing bolt is 20-24 mm, and the strength grade of the fixing bolt is 4.8-8.8.

[0013] Preferably, the width of the base is 0.8 m, the thickness of the base is 32 mm, the width of the material lifting plate is 0.8 m, the thickness of the material lifting plate is 32 mm, the diameter of the fixing bolt is 24 mm, and the strength grade of the fixing bolt is 8.8.

[0014] Preferably, the bending angle of the material lifting plate is 120-150 degrees.

[0015] The application further provides an iron concentrate dryer including a plurality of split structure material lifting plates as described in any one of the above.

[0016] The application has the following technical effects compared with the prior art.

[0017] The application provides a split structure material lifting plate for an iron concentrate dryer and an iron concentrate dryer, the material lifting plate and the base are detachably fixedly connected, the running efficiency and the maintenance convenience of the dryer are improved, and the requirements for structural strength, dehydration efficiency and rapid response on the high-efficiency production line are met. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Fig. 1 The utility model provides a kind of front view of split structure material lifting plate for iron concentrate dryer;

[0020] Fig. 2 The utility model provides a kind of side view of split structure material lifting plate for iron concentrate dryer;

[0021] In the drawing: 1, base;2, material lifting plate;3, reinforcing plate;4, fixed bolt;5, fixed nut. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] The utility model aims at providing a kind of split structure material lifting plate for iron concentrate dryer and iron concentrate dryer, to solve the problems of the prior art, simple structure, convenient to use, improve the maintenance efficiency and operating performance of equipment.

[0024] To make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0025] Embodiment one

[0026] The embodiment provides a kind of split structure material lifting plate for iron concentrate dryer, as shown in Figs. 1-2 It includes: base 1, material lifting plate 2 and at least one reinforcing plate 3, base 1 is used to be welded and fixed with dryer cylinder;Material lifting plate 2 is used to be detachably fixed with base 1 to lift material from the bottom of cylinder to a certain height and then scatter down, to increase the contact surface of material and hot air;The bottom end of reinforcing plate 3 is welded and fixed with dryer cylinder and the other end is welded and fixed with base 1 to support base 1, by setting the split structure of base 1, material lifting plate 2 and reinforcing plate 3, material lifting plate 2 can be replaced alone, improve the maintenance efficiency.The setting of reinforcing plate 3 enhances the stability of base 1, thereby guaranteeing the stability of material lifting plate 2 in the working process, improves the overall operating efficiency of equipment.

[0027] In a preferred scheme of the embodiment, the split structure material lifting plate of the iron concentrate dryer further comprises a plurality of fixing bolts 4 and a plurality of fixing nuts 5, a plurality of first through holes are arranged on the material lifting plate 2, a plurality of second through holes are arranged on the base 1 correspondingly, the fixing bolts 4 are used to pass through the first through holes and the second through holes and are threadedly connected with the fixing nuts 5 to fix the material lifting plate 2 and the base 1, the connection mode of the fixing bolts 4 and the fixing nuts 5 makes the installation and dismounting of the material lifting plate 2 more convenient and fast, and further improves the maintenance efficiency.

[0028] In a preferred scheme of the embodiment, the base 1, the material lifting plate 2 and the reinforcing plate 3 are all made of 16Mn material, the 16Mn material has high strength, toughness and wear resistance, can withstand high temperature and wear in the drying process, ensures the long-term stability of the material lifting plate 2, the base 1 and the reinforcing plate 3, and prolongs the service life of the equipment.

[0029] In a preferred scheme of the embodiment, the width of the base 1 is 0.8m, and the thickness of the base 1 is 15mm-32mm.

[0030] In a preferred scheme of the embodiment, the width of the material lifting plate 2 is 0.8m, and the thickness of the material lifting plate 2 is 15mm-32mm.

[0031] In a preferred scheme of the embodiment, the diameter of the fixing bolt 4 is 20-24mm, and the strength grade of the fixing bolt 4 is 4.8-8.8.

[0032] In a preferred scheme of the embodiment,

[0033] 1: Basic parameter design

[0034] Material of the material lifting plate 2: 16Mn.

[0035] Size of the base 1: width 0.8m, thickness 10mm.

[0036] Size of the material lifting plate 2: width 0.8m, thickness 10mm.

[0037] Bolt specification: diameter 20mm, strength grade 4.8.

[0038] Operation rate: 96.67%.

[0039] Technical problems solved: under the basic parameter setting, the split type material lifting plate design allows the material lifting plate 2 with serious wear to be replaced in the case of maintenance, the 6Mn material lifting plate 2 has good durability in the high strength working environment, but the 10mm thick material lifting plate 2 has deformation, the base 1 is normal, and the 20mm diameter and 4.8 strength grade have deformation.

[0040] 2: Intermediate parameter design

[0041] Material of the material lifting plate 2: 16Mn.

[0042] Size of the base 1: width 0.8 meters, thickness 15 millimeters.

[0043] Size of the material lifting plate 2: width 0.8 meters, thickness 15 millimeters.

[0044] Bolt specification: diameter 22 millimeters, strength grade 8.8.

[0045] Operation rate: 97.78%.

[0046] Solution to the technical problem: Under the intermediate parameter setting, the quick replacement feature of the split material lifting plate design allows maintenance work to be completed during production gaps, avoiding production losses caused by long-term downtime. The 15-millimeter-thick material lifting plate 2 combined with the 16Mn material provides good wear resistance and thermal stability, ensuring the continuity of equipment operation and dehydration efficiency.

[0047] 3: Upper limit parameter design

[0048] Material of the material lifting plate 2: 16Mn.

[0049] Size of the base 1: width 0.8 meters, thickness 32 millimeters.

[0050] Size of the material lifting plate 2: width 0.8 meters, thickness 32 millimeters.

[0051] Bolt specification: diameter 24 millimeters, strength grade 8.8.

[0052] Operation rate: 100%.

[0053] Solution to the technical problem: Under the upper limit parameter setting, the high-efficiency replacement mechanism of the split material lifting plate design, combined with the 32-millimeter-thick material lifting plate 2 and large-diameter bolts, provides extremely high structural stability and wear resistance. This allows the equipment to maintain good dehydration efficiency and structural strength even under high-intensity and long-term operating conditions, reducing production interruptions caused by maintenance.

[0054] In one preferred embodiment of the present embodiment, the bending angle of the material lifting plate 2 is 120°-150°. Such a design can ensure that the material is fully turned over and dispersed during drying, thereby improving drying efficiency and uniformity. At the same time, by adjusting the bending angle, different material characteristics can be optimized to achieve the best drying effect.

[0055] In one preferred embodiment of the present embodiment, the bending angle of the material lifting plate 2 is 135°, which has been proven in actual application to provide better material turning effect, while reducing material accumulation on the material lifting plate 2, avoiding uneven drying problems.

[0056] In a preferred embodiment of the present application, the surface of the lifting plate 2 is designed with a specific texture or concave-convex structure to increase the friction between the material and the lifting plate 2, prevent the material from sliding during the drying process, ensure the residence time of the material in the drying cylinder, and thus improve the drying efficiency.

[0057] In a preferred embodiment of the present application, the edge of the lifting plate 2 is designed with a chamfer or a round corner to reduce the abrasion of the material on the lifting plate 2, prolong the service life of the lifting plate 2, and avoid the breakage of the material caused by sharp edges during the drying process.

[0058] In a preferred embodiment of the present application, the installation position and number of the lifting plate 2 can be adjusted according to the size of the dryer and the drying demand to achieve the best drying effect. By optimizing the layout of the lifting plate 2, the uniform distribution of hot air in the drying cylinder can be ensured, thus improving the drying efficiency and the drying quality of the material.

[0059] Embodiment Two

[0060] The present application provides a split structure lifting plate for iron concentrate dryer, which comprises a plurality of split structure lifting plates for iron concentrate dryer according to any one of embodiment one.

[0061] The principles and implementation modes of the present application are described in the specific examples in the present application, and the above embodiment is only used to help understand the method and core idea of the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range will be changed. In conclusion, the content of the present application should not be understood as a limitation of the present application.

Claims

1. A split construction flight for an iron ore concentrate dryer characterized by: The utility model relates to an iron ore concentrate dryer with split structure lifting plate, which comprises: a base for being fixedly welded with the dryer cylinder; and a lifting plate for being detachably fixedly connected with the base to lift the material from the bottom of the cylinder to a certain height and then scatter it down to increase the contact area of the material with hot air; and at least one reinforcing plate with one end fixedly welded with the dryer cylinder and the other end fixedly welded with the base to support the base.

2. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 1, wherein: Further comprising a plurality of fixing bolts and a plurality of fixing nuts, the lifting plate is provided with a plurality of first through holes, the base is correspondingly provided with a plurality of second through holes, the fixing bolts are used to pass through the first through holes and the second through holes and then be threadedly connected with the fixing nuts to fix the lifting plate and the base.

3. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 2, wherein: The base, the lifting plate and the reinforcing plate are all made of 16Mn material.

4. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 3 wherein: The width of the base is 0.8 m, and the thickness of the base is 15-32 mm.

5. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 4 wherein: The width of the lifting plate is 0.8 m, and the thickness of the lifting plate is 15-32 mm.

6. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 5 wherein: The diameter of the fixing bolt is 20-24 mm, and the strength grade of the fixing bolt is 4.8-8.

8.

7. The split construction flight for iron ore concentrate dryer as claimed in claim 6 wherein: The thickness of the base is 32 mm, the thickness of the lifting plate is 32 mm, the diameter of the fixing bolt is 24 mm, and the strength grade of the fixing bolt is 8.

8.

8. The split construction lifter flight for iron ore concentrate dryer as claimed in claim 1 wherein: The bending angle of the lifting plate is 120-150°.

9. An iron ore concentrate dryer characterized by: The utility model further comprises a plurality of the lifting plates as claimed in any one of claims 1-8.

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