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A method for building a spherical crown roof of a fluidized roaster

A technology of boiling roasting furnace and furnace roof, applied in the field of metallurgy, can solve the problems of high cost, large design span of spherical crown type furnace roof of boiling roasting furnace, and high masonry accuracy

Active Publication Date: 2015-12-30
七冶建设集团有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the design span of the spherical crown roof of the fluidized roaster is large, and the masonry precision is high
In the existing technology, the traditional construction technology has long construction period, high cost, poor masonry accuracy, short service life of the furnace body, and large furnace top settlement, which makes the ring joint between the top refractory bricks open, and SO2 appears on the furnace top after it is put into production. Gas leakage, harm to production and surrounding environment

Method used

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  • A method for building a spherical crown roof of a fluidized roaster
  • A method for building a spherical crown roof of a fluidized roaster

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of spherical crown roof masonry method of the present invention comprises the following steps:

[0028] (1) Erection of scaffolding in the furnace: Firstly, the furnace shell is inspected and laid out. According to the structural characteristics of the furnace shell, an equilateral octagonal scaffolding is erected along the furnace shell; vertical poles are gradually added to the expansion section of the furnace to form a corbel shape. ;

[0029] (2) Erection of the rain-proof shed on the furnace roof: set up scaffolding around the furnace roof, cover a layer of rain-proof tents along the scaffolding, and fix them; set up horizontal bars on the scaffolding outside the furnace roof and the scaffolding in the whole hall, and the horizontal bars are formed by the center of the furnace Set up radially, then cover the rainproof tent and fix it;

[0030] (3) Correction and masonry of arched bricks: the arched bricks of the furnace roof should be laid before installing...

Embodiment 2

[0042] A kind of spherical crown roof masonry method of the present invention comprises the following steps:

[0043] (1) Erection of scaffolding in the furnace: Firstly, the furnace shell is inspected and laid out. According to the structural characteristics of the furnace shell, an equilateral octagonal scaffolding is erected along the furnace shell; vertical poles are gradually added to the expansion section of the furnace to form a corbel shape. ;

[0044] (2) Erection of the rain-proof shed on the furnace roof: set up scaffolding around the furnace roof, cover a layer of rain-proof tents along the scaffolding, and fix them; set up horizontal bars on the scaffolding outside the furnace roof and the scaffolding in the whole hall, and the horizontal bars are formed by the center of the furnace Set up radially, then cover the rainproof tent and fix it;

[0045] (3) Correction and masonry of arched bricks: the arched bricks of the furnace roof should be laid before installing...

Embodiment 3

[0057] A kind of spherical crown roof masonry method of the present invention comprises the following steps:

[0058] (1) Erection of scaffolding in the furnace: Firstly, the furnace shell is inspected and laid out. According to the structural characteristics of the furnace shell, an equilateral octagonal scaffolding is erected along the furnace shell; vertical poles are gradually added to the expansion section of the furnace to form a corbel shape. ;

[0059] (2) Erection of the rain-proof shed on the furnace roof: set up scaffolding around the furnace roof, cover a layer of rain-proof tents along the scaffolding, and fix them; set up horizontal bars on the scaffolding outside the furnace roof and the scaffolding in the whole hall, and the horizontal bars are formed by the center of the furnace Set up radially, then cover the rainproof tent and fix it;

[0060] (3) Correction and masonry of arched bricks: the arched bricks of the furnace roof should be laid before installing...

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Abstract

The invention discloses a spherical crown type furnace roof masonry method, which comprises the following steps: (1) erecting a scaffold in the furnace; (2) correcting masonry with arch foot bricks; Carry out arch tire production, use the arch foot brick as the positioning standard to carry out arch tire support; arch tire production includes the following steps: a, arch tire calculation and lofting; b, arch tire production site construction; c, arch tire production; d, arch tire Pre-assembly and fine repair; e, installation and positioning "ring beam" production; (4) Furnace top brick masonry (5) Removal of furnace top arch tires, settlement observation and analysis, and finally clay insulation brick masonry on the furnace top, and dismantling of the furnace Internal scaffolding will do. The invention has the characteristics of being able to effectively control furnace roof settlement, simple and fast construction, good integrity and high masonry precision.

Description

technical field [0001] The invention belongs to the masonry process in the field of metallurgy, and in particular relates to a spherical crown type furnace roof masonry method. Background technique [0002] Fluidized fluidized fluidized roasting furnace is the main thermal equipment for copper-zinc roasting and smelting. With the rapid development of international and domestic metallurgy, building materials, chemical industry, nonferrous metals and other industries, the design of large volume, high efficiency, energy saving and environmental protection fluidized fluidized roaster has become a new trend. development trend. With the further improvement of smelting technology, the rapid development of non-ferrous industry has brought new opportunities and challenges to furnace construction. In particular, the design span of the spherical crown roof of the fluidized roaster is large, and the masonry precision is high. In the existing technology, the traditional construction te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D1/02
Inventor 张劲松陈文学任杰任国保丁爱英
Owner 七冶建设集团有限责任公司