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Space truss support device in large-scale tower

a technology of support device and space truss, which is applied in the direction of distillation separation, chemistry apparatus and processes, separation processes, etc., can solve the problem that the existing support main beam cannot meet the strict demand, and achieve the effect of small flexibility, good rigidity and large intensity

Inactive Publication Date: 2013-01-24
ZHAO RU WEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The space truss support device of this invention has the benefits of being strong, rigid, and flexible. It consists of a foundation beam, pillars, X-direction cross beams, and Y-direction cross beams. This device is designed to ensure high levelness of the tower tray by dividing the existing large-span long cross beam into small-span short cross beams. It also has strong resistance to high-speed variable gas load, which can prevent vibration accidents and ensure long-term stable operation of the tower. Additionally, this device has the advantages of being easier to manufacture, install, and invest in.

Problems solved by technology

The span of beam increases as the increase of tower diameter so that the flexibility of the support main beam must increase correspondingly; however, the increasingly higher demand on the levelness (levelness:03 mm) of tower tray enables the existing support main beam to hardly meet the strict demand on the levelness of tower tray.

Method used

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  • Space truss support device in large-scale tower
  • Space truss support device in large-scale tower
  • Space truss support device in large-scale tower

Examples

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embodiment 1

[0030]In the embodiment 1 shown as FIGS. 1 and 2, a fence beam 2, which is a foundation beam, is supported on a pedestal 1 at the bottom of the large-scale tower.

[0031]The fence beam, structurally shown as FIG. 3, is formed by parallel and uniformly spaced vertical plates 2-1 and ribbed slabs 2-2 which are distributed between the vertical plates in a staggered manner and fixedly connected with the vertical plates.

[0032]Shown as FIGS. 1, 2 and 3, pillars 3 formed by square tubes arc distributed at intervals on the surface of the fence beam 2, and both layering and horizontal support of X-direction cross beams 5 and Y-direction cross beams 7 are realized between the pillars and between the pillars on the periphery and a tower body. Two ends of the X-direction cross beams and the Y-direction cross beams in the embodiment 1 are fixedly connected with the corresponding pillars or with the corresponding pillars and support bases 4 arranged on tower body respectively.

[0033]The X-direction ...

embodiment 2

[0037]The embodiment 2, shown as FIGS. 8, 9 and 10, pertains to the examples in which the space truss support device of the invention supports multi-flow tower tray or multi-downcomer tower tray.

[0038]In the embodiment 2, the structures of the foundation beam 1, the X-direction cross beams 5 and the Y-direction cross beams 7 positioned at a central line of a seal pan in the space truss support device are identical, in width, to tower tray exit weirs 15 of the multi-flow tower tray or the multi-downcomer tower tray and arc the same as the embodiment 1, and the difference therebetween only lies in the structural relationship between the pillars and the Y-direction cross beams positioned at the tower tray exit weirs.

[0039]Shown as FIG. 8, the pillar 3 is I steel, and the pillars at the same row arc positioned, at intervals, on the central line of the down comers and the seal pans on the same perpendicular line of the multi-overflow trays or the multi-down comer trays. The support bases...

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Abstract

The invention discloses a space truss support device in a large-scale tower, the large-scale tower is provided with a foundation beam therein, pillars are distributed on the surface of the foundation beam at intervals, both layering and horizontal support of X-direction cross beams and Y-direction cross beams are realized between the pillars and between the pillars on the periphery and a tower body, and the X-direction cross beams and the Y-direction cross beams of all layers horizontally support functional members inside the tower respectively. The device consisting of the foundation beam, the pillars, the X-direction cross beams and the Y-direction cross beams has the characteristics of large intensity, good rigidness and small flexibility, in particular, the multi-pillar structure of the device achieves the division of the existing large-span long cross beam into small-span short cross beams, thus high levelness of tower tray can be guaranteed. With strong resistance to the impact of high-speed variable gas load, the device can effectively avoid the vibration accident caused by the impact, and in particular, a baffle in the structure is a segmental short baffle so as to avoid resonant vibration owing to the impact and guarantee long-term stable operation of the tower. The invention has the prominent advantages of reducing the manufacturing and installation difficulty as well as the investment of tower support device.

Description

REFERENCE TO PENDING APPLICATIONS[0001]This application claims the benefit of International Application No. PCT / CN2011 / 070724 filed Feb. 17, 2011.BACKGROUND OF THE INVENTION[0002]The invention belongs to inner parts of chemical tower, and more particularly relates to a space truss support device in a large-scale tower.[0003]I-steel or trussed beam is mostly adopted as the support main beam in the existing large-scale tower. The span of beam increases as the increase of tower diameter so that the flexibility of the support main beam must increase correspondingly; however, the increasingly higher demand on the levelness (levelness:03 mm) of tower tray enables the existing support main beam to hardly meet the strict demand on the levelness of tower tray.SUMMARY OF THE INVENTION[0004]In order to solve the technical problem that the support main beam in the existing large-scale tower hardly meets the strict demand on the levelness of large-scale tower tray, the invention provides a space...

Claims

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Application Information

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IPC IPC(8): E04B1/19E04H12/00
CPCB01D3/326B01D3/32
Inventor ZHAO, RU WEN
Owner ZHAO RU WEN
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