Chimney Steel Inner Cylinder Hydraulic Lifting Construction Device and Method
A construction device and hydraulic lifting technology, which is applied in the direction of building types, buildings, towers, etc., can solve the problems of complex nodes in the jacking part, complicated column processing technology, complicated and cumbersome operation technology, etc., to achieve convenience and improve installation quality , the effect of increasing fluency
Active Publication Date: 2017-01-04
JIANGXI THE SECOND CONSTR
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Problems solved by technology
For the installation method of hydraulic jacking, because the hydraulic jack is used to directly lift the steel inner cylinder rigidly, it has high performance requirements for the column used to install the hydraulic jack, which leads to complicated processing technology for the column, and in the steel inner cylinder. During the jacking process, the control requirements for the displacement of the hydraulic jack are relatively high, and the nodes of the jacking part are complicated, which directly leads to the complexity and cumbersome operation process of the whole operation process and poor practicability
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Embodiment Construction
[0045] The present invention is further described in conjunction with the following examples.
[0046] The chimney steel inner tube hydraulic lifting construction device created by the present invention, such as Figure 1 to Figure 3 As shown, a device foundation 1 is poured with reinforced concrete along the circumferential direction on the outside of the steel inner cylinder foundation 9, and a column 2 is arranged on the device foundation 1. The hydraulic jack 3 is installed on the top of the column 2, and the hydraulic jack 3 is installed according to the requirements. The weight of steel inner cylinder 8 selects the hydraulic pressure piercing jack that does not wait 50~250 tons for use.
[0047] The column 2 is a steel column, and the column 2 is evenly arranged along the circumference. The number of the column 2 is 4 to 6 according to the actual construction requirements, so as to save material costs as much as possible under the premise of providing sufficient lifting ...
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The invention specifically relates to a chimney steel inner tube hydraulic lifting construction device and a method thereof. The construction device includes a device foundation and a column. A hydraulic jack is installed on the top of the column. A flexible guide rail is arranged between the top of the column and the top of the outer cylinder of the chimney. A rigid guide rail is vertically arranged on the column. Threaded into rigid rails and anchored to lugs welded to steel inner barrel. When in use, operate the hydraulic jack to pull the steel strand to move upwards and pull the lifting lugs to lift the steel inner cylinder. For a new section of steel inner cylinder, repeat until the lifting lug can no longer be raised, re-weld the lifting lug, and then repeat the above steps until the installation is completed. The chimney steel inner tube hydraulic lifting construction device and the method thereof are simple in construction, high in quality and high in efficiency, safe and reliable, effectively improve the safety and convenience of construction, shorten the construction period and save costs at the same time.
Description
technical field [0001] The invention relates to the technical field of steel chimney construction, in particular to a hydraulic lifting construction device and method for a steel inner cylinder of a chimney. Background technique [0002] With the development of the economy and society, the country's environmental protection requirements continue to increase, and all coal-fired power plants must perform desulfurization and denitration treatment on the exhausted flue gas. The treated flue gas is wet flue gas with a temperature of 45-50°C, which is acidic and highly corrosive. The old chimney cannot meet the requirements for safe use. In order to more effectively solve the corrosion of the existing chimney by wet flue gas To improve the service life of the chimney, chimney reconstruction usually adopts reinstalling a self-supporting titanium-steel composite plate steel inner cylinder in the existing concrete chimney to solve the anti-corrosion requirements of the chimney. [0...
Claims
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IPC IPC(8): E04H12/34
CPCE04H12/344
Inventor 王志龙李洪李富荣刘建刚周俊宋孟琳
Owner JIANGXI THE SECOND CONSTR