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Boiler steel frame combination and installation process of sintering machine circular cooler

A boiler and chiller technology, applied in the direction of boiler support/positioning devices, etc., can solve the problems of shortened steel frame period, long construction period, long steel frame construction period, etc., achieve high installation stability, shorten installation period, and solve long construction period Effect

Active Publication Date: 2014-09-10
CHINA MCC5 GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention overcomes the problems that the steel frame of the sintering machine annular cooler boiler steel frame has a long construction period caused by the existing installation process, and the stability of the installation cannot be guaranteed, etc., and designs a sintering machine annular cooler boiler steel frame combination and installation Using this technology can ensure the tightness of the installation during the installation process, making the installation more stable, and at the same time the cycle of steel frame installation is greatly shortened, which solves the problem that the existing installation process causes the steel frame to appear in the boiler steel frame of the ring cooler of the sintering machine The construction period is long, and the stability of the installation cannot be guaranteed.

Method used

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  • Boiler steel frame combination and installation process of sintering machine circular cooler
  • Boiler steel frame combination and installation process of sintering machine circular cooler
  • Boiler steel frame combination and installation process of sintering machine circular cooler

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Such as figure 1 As shown, the sintering machine annular cooler boiler steel frame assembly and installation process includes the following steps,

[0034] Combination and assembly of columns: (a) Name the six columns Z1, Z2, Z3, Z4, Z5, Z6 in turn, where Z1 and Z2 form a group, Z3 and Z4 form a group, Z5 and Z6 form a group, in each The left and right centerlines are drawn on the upper and lower sections of the root column, and the two sides of the interface are respectively padded and leveled when docking. First, the butt joint between the columns is welded, and then the web is welded. The total length of the column is 4mm longer than that before welding, and the single column After welding, check the straightness of the column, the straightness error is 8mm, the deviation of the butt center line is 1.5mm, the total length deviation is -8mm, the column curvature is 1 / 1000, and is 10mm, and the column torsion value is 1 / 1000, and 10mm, the bracket height deviation is...

Embodiment 2

[0043] Such as figure 1 As shown, the sintering machine annular cooler boiler steel frame assembly and installation process includes the following steps,

[0044] Combination and assembly of columns: (a) Name the six columns Z1, Z2, Z3, Z4, Z5, Z6 in turn, where Z1 and Z2 form a group, Z3 and Z4 form a group, Z5 and Z6 form a group, in each The left and right centerlines are drawn on the upper and lower sections of the root column, and the two sides of the interface are respectively padded and leveled when docking. First, the butt joint between the columns is welded, and then the web is welded. The total length of the column is 4mm longer than that before welding, and the single column After welding, check the straightness of the column, the straightness error is 6mm, the deviation of the butt center line is 1.2mm, the total length deviation is -4mm, the column curvature is 1 / 1200, and it is 8mm, and the column torsion is 1 / 1200, and 8mm, bracket height deviation is -1mm;

...

Embodiment 3

[0058] Such as figure 1 As shown, the sintering machine annular cooler boiler steel frame assembly and installation process includes the following steps,

[0059] Combination and assembly of columns: (a) Name the six columns Z1, Z2, Z3, Z4, Z5, Z6 in turn, where Z1 and Z2 form a group, Z3 and Z4 form a group, Z5 and Z6 form a group, in each The left and right centerlines are drawn on the upper and lower sections of the root column, and the two sides of the interface are respectively padded and leveled when docking. First, the butt joint between the columns is welded, and then the web is welded. The total length of the column is 4mm longer than that before welding, and the single column After welding, check the straightness of the column, the straightness error is 5mm, the deviation of the center line of the butt joint is 1.0mm, the deviation of the total length is +2mm, the curvature of the column is 1 / 1500, and ≤5mm, and the torsion of the column is 1 / 1500, and 5mm, bracket ...

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Abstract

The invention discloses a boiler steel frame combination and installation process of a sintering machine circular cooler. According to the process, a left central line and a right central line are marked on the upper section and the lower section of each stand column; the two sides of connectors are padded firmly and leveled respectively in the butting process; the left central lines and the right central lines are led to bottom plates and top plates; the stand columns are aligned and leveled, and limiting pieces are welded; when stand column single pieces are combined, the top planes of the columns serve as the same datum point, a 25-ton truck crane is adopted to hoist assemblies, and marker lines on the periphery of column foot bottom plates coincide with in-position lines on a foundation when the assemblies are in position; a front framework is hoisted before the top plates are hoisted, and a rear framework is hoisted before air preheater tube boxes are hoisted; after front columns, front beams, rear columns and rear beams are installed in position, and the column feet and the foundation are fixed, single-piece hoisting and assembly hoisting are combined, action lines of loading of main slab beams pass through the centers of the stand columns in the installation process, and secondary grouting is carried out after hoisting of all large components of the boiler is completed. Through the process, the tightness of installation can be guaranteed in the installation process, the installation stability is high, and the installation cycle of the steel frame is short.

Description

technical field [0001] The invention relates to the field of electromechanical installation, in particular to a process for assembling and installing boiler steel frames of a sintering machine annular cooler. Background technique [0002] 300m 2 The boiler in the sintering low-temperature waste heat power generation general contracting project is a double-pressure natural circulation non-replenishment waste heat boiler, which matches the sintering machine annular cooler. The boiler is a tower layout with a fully supported tube box structure. It consists of inlet corner flue, boiler body heating surface tube box, outlet flue, steel frame, platform escalator, medium pressure drum, low pressure drum (with deaerator), etc. [0003] The floor-to-ceiling size of the boiler steel frame center is 4×14.5 meters, the top elevation is 18.81 meters, the elevation of the centerline of the high-parameter drum is 20.01 meters, and the elevation of the centerline of the low-parameter drum...

Claims

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Application Information

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IPC IPC(8): F22B37/24
Inventor 李成芳何涌杜惠民
Owner CHINA MCC5 GROUP CORP
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