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Large-sized industrial kiln lining anchoring piece and method of use thereof

A large-scale industry, anchoring technology, applied in furnaces, fluidized bed furnaces, integral linings, etc., can solve the problems of system-wide operation deviation, system oscillation out of control, etc., and achieve the effects of enhancing traction, enhancing toughness, and reducing costs.

Inactive Publication Date: 2008-09-10
李朝侠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If there is a problem in a certain link of the system, it will cause the operation of the whole system to deviate, and even the system oscillation is out of control. Therefore, the overall stability of the system is required

Method used

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  • Large-sized industrial kiln lining anchoring piece and method of use thereof
  • Large-sized industrial kiln lining anchoring piece and method of use thereof
  • Large-sized industrial kiln lining anchoring piece and method of use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Furnace side wall anchor configuration

[0038] The uniformly welded rigid thrust anchor bricks on the outer steel shell of the side wall of the furnace body are changed to heat-resistant alloy anchors, and the fixed anchor force of the side wall is changed to a pulling force to adapt to the changing direction of the thermal expansion force of the furnace wall. The "V" shape at the front end of the metal anchor is "Y" shape as a whole, and the angle between the anchor walls of the front beam is > 60°C. The metal anchor is used as the skeleton to separate the amorphous refractory castable layer and the heavy refractory castable The inner layer composed of two layers is combined with the steel outer shell to form a composite side wall structure. The principle of the anchor points of the side fireplace wall is to adopt the method of uniform spacing, horizontal and vertical intervals, and staggered arrangement, and the same is true for the inclined section of the side wall....

Embodiment 2

[0041] Reinforce anchors at turning, critical and slack parts

[0042] Such as Figure 7 As shown, the top flue gas outlet corners of the GSC furnace PO2, PO3, CO1, the rising section of the PO2, PO3, CO1 flue gas inlet and the flue gas outlet of the top grid, these turning points, critical points, and loose connections between the two units are all Al (OH) 3 or Al 2 o 3 The key point for the reverse operation of the high-temperature air flow of the material. The original structural design and material setting of refractory materials have congenital defects, resulting in serious erosion, leaking and tearing of the joints at these key points. In this embodiment, the figure 2 For example, in this anchoring structure, the hoop of the rising flue at the corner is made of a plate-shaped anchor 16 and connecting rib 15 with a larger heat-resistant stainless steel rod to fix the lower edge of the rising flue at a variable angle, and two thrusts are used to anchor the brick beam...

Embodiment 3

[0044] Anchor Configurations in High Wear Areas

[0045] Such as Figure 5 Figure 6 As shown, in the GSC furnace, whether it is the feeding system, Venturi flash drying Al(OH) 3 System, PO1, PO2 cyclone preheating system and key PO3, PO4 roasting separation system and cooling separation system, in the reverse movement of materials and high temperature air flow, especially Al(OH) 3 Convert to Al 2 o 3 In the high-temperature separation parts such as PO3 and PO4, the unbalanced thrust of the volute inlet is very large, which is the most severely worn area in the system. Find the origin O on the upper part of the cyclone (taking the top of the cylinder as the reference plane), and find the parallel at the origin O. At the three reference points of the flue gas inlet and the parallel and inlet flue gas, the three points are respectively welded with vertical ribs, and the three points are respectively welded with three rows of metal anchors downwards (the vertical interval is ...

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Abstract

The invention provides a clip for a large-sized industry furnace brick lining. At least one end of the clip is provided with a V-shaped component, the included angle between V-shaped beam anchoring walls is more than 60 degrees, the V-shaped component is connected by a connecting reinforcing steel bar with the two ends provided with pothooks which are sleeved and hung inside the V-shaped component and are connected into a whole by the method of tack welding. The use method is as follows: (1) one end of the clip is welded on the furnace wall; (2) the clips are distributed inside the furnace brick lining in a cross way; (3) the clips are arranged transversely and horizontally and arranged vertically in a cross way; (4) the transverse distance between clips is more than or equal to 300 centimeters and the vertical distance between clips is more than or equal to 400 centimeters. The clip has great toughness reinforcing property and traction force, is easy to realize the industrialized and standard production, saves the raw steel material, lowers the cost, replaces the rigid anti-thrust fixing anchor brick of the furnace body, changes the fix force of the lateral wall into the traction force and adapts to the heat expansion force change direction of the furnace wall.

Description

technical field [0001] The invention relates to a large-scale industrial kiln lining, in particular to an anchor piece on the lining of a large-scale aluminum hydroxide dilute-phase fluidized roasting furnace and its application method. Background technique [0002] At present, most of the roasting furnaces introduced and applied in our country are the injection state suspension roasting furnaces (hereinafter referred to as GSC furnaces) of the Smith Company of Denmark. lattice transformation. The characteristics of the GSC furnace system are: 1. There are many separation units, and the combination of multiple series separation units is used to complete the rapid and high-yield process dehydration function. 2. Each unit of the system is responsible for multiple technological functions, that is, to complete the power and material flow conveying functions of the upper and lower units, and to complete the dehydration and classification functions of the materials at this level,...

Claims

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Application Information

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IPC IPC(8): F27D1/10F27B15/06
Inventor 李朝侠黄河黄兴远
Owner 李朝侠
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