Main steel frame node device of tower type supercritical boiler and connecting method

A supercritical boiler and main steel frame technology, applied in boiler support/positioning devices, lighting and heating equipment, fluid heaters, etc., can solve problems such as being unable to withstand such a heavy weight, large force on a single rod, and large length , to achieve the effect of clear and reliable transmission power, reliable connection and good stability

Active Publication Date: 2011-08-24
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]The cross-sections of traditional bolt-connected boiler steel structure beams, columns, and vertical supports are generally I-shaped sections, and the general column load is less than 4,000 tons. Due to the The characteristic of t...

Method used

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  • Main steel frame node device of tower type supercritical boiler and connecting method
  • Main steel frame node device of tower type supercritical boiler and connecting method
  • Main steel frame node device of tower type supercritical boiler and connecting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A main steel frame node device of a tower-type supercritical boiler, comprising: a beam 1, two ends of the beam 1 are respectively connected to a group of columns 2, and the lower end of the beam 1 is connected to the lower part of a group of columns through a vertical support 3 .

[0021] The group of columns 2 includes a lower column 4, the lower column 4 is connected to the lower column end plate 5, the lower column end plate 5 is connected to the upper column end plate 7 through bolts 6, and the upper column end plate is 7. Connect the upper column 8, the lower column and the upper column are connected to the annular stiffener 9, the lower column and the upper column are connected to the end plate 10, and the end plate 10 is connected by bolts The box-shaped transition connecting piece 11 is connected to the connecting plate 12 . In order to increase the rigidity of the structure, the connection between the beam and the column of the tower boiler is rigid, while th...

Embodiment 2

[0023] In the main steel frame node device of the tower-type supercritical boiler described in Embodiment 1, the box-shaped transition connecting piece and the connecting piece form the vertical support.

Embodiment 3

[0025] A connection method for a main steel frame node device of a tower-type supercritical boiler, the connection nodes of the vertical support are connected by means of hinged connection nodes, so that the section of the vertical support becomes a box-shaped section, and the vertical support section is a 1.2mX1.2m box-shaped, Connect the main column connection nodes in the columns of the support by way of partial rigid connection connection nodes to make the cross-section of the support a 2.5mX2.5m box shape, and make a group of beams into a box with a width of 1m--1.2m and a height of less than 3m The main beam and the column in a group of beams are connected by rigid joints to form the main steel frame.

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Abstract

The invention relates to a main steel frame node device of a tower type supercritical boiler and a connecting method. The stress of a traditional column is lower than 4000 tons; and as the stress of a tower type boiler is characterized in that the stress of a single rod is great, the length is great. The product comprises a beam (1), wherein assembly columns (2) are connected at two ends of the beam respectively, the lower end of the beam is connected with the lower parts of the assembly columns through a vertical support (3), each assembly column comprises a lower-section column, each lower-section column is connected with an end plate of the lower-section column, each end plate of the lower-section column is connected with an end plate of an upper-section column through a bolt, each end plate of the upper-section column is connected with the upper-section column, the lower-section columns and the upper-section columns are connected with annular stiffening ribs, the lower-section columns and the upper-section columns are connected with the end plates, the end plates are connected with box-shaped transition pieces through bolts, the box-shaped transition pieces are connected with a connecting plate, and the box-shaped transition pieces and the connecting plate constitute the vertical support. The invention is used for tower type supercritical boilers.

Description

Technical field: [0001] The invention relates to the field of boilers; in particular, it relates to a main steel frame node device and a connection method for a tower-type supercritical boiler. Background technique: [0002] The traditional bolt-connected boiler steel structure beams, columns and vertical supports are generally I-shaped sections, and the force of the column is generally less than 4,000 tons. Because the force of the tower boiler is characterized by the large force and long length of a single rod, for example The column of a tower boiler steel structure bears more than 7,000 tons, and the traditional bolted boiler steel structure cannot bear such a heavy weight. Invention content: [0003] The purpose of the invention is to provide a connection method for connecting nodes of box-shaped section, which increases the rigidity of the structure. [0004] The above purpose is achieved through the following technical solutions: [0005] The main steel frame node...

Claims

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Application Information

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IPC IPC(8): F22B37/24F24H9/00
Inventor 于龙孟宪国娄德奎
Owner HARBIN BOILER
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