Peephole assembly for air supply device of blast furnace
A technology of air supply device and peephole, which is applied in the field of peephole assembly for blast furnace air supply device, which can solve the problems of maintenance workers' physical exertion, high air supply pressure, and high temperature, and achieve shortened shutdown time and reliable performance , Easy installation and maintenance
Active Publication Date: 2013-05-01
TANGSHAN JINSHAN TENGYU SCI & TECH
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Problems solved by technology
[0002] At present, the viewing hole assembly of the blast furnace air supply device is basically connected by a wedge plate, that is, the peephole cover and the elbow body of the air supply device are connected together through the wedge plate , the sealing form of the peephole cover and the elbow body adopts the asbestos packing structure, because the air supply pressure of the blast furnace air supply device is relatively high, this kind of mechanism is easy to appear the phenomenon of running wind and high temperature during use, and at the same time Installation and commissioning also bring greater physical exertion to maintenance workers
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[0026] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:
[0027] A peephole assembly for a blast furnace air supply device, see attached figure 1 to attach Figure 9 , in the figure: peephole cover 1, supporting ring 2, spinning chuck 3, elbow body 4, connecting plate 5, viewing hole flange 6, pin shaft 7, connecting handle 8, claw 9, reinforcing rib 10, wedge seat 11. Protrusion 12, groove 13, V-shaped sealing groove 14, covering pad 15, extension rod 16, pressing block 17; connecting support 18, peep hole 19, spinning hook 20, refractory casting layer 21, shoulder twenty two.
[0028] In this embodiment, the sight hole flange 6 is connected to the elbow body 4, the sight hole flange 6 is provided with a spinning hook 20, the peephole cover 1 is equipped with a spinning chuck 3, the spinning chuck 3 and the spinning hook 20 screw connection.
[0029] The spinning chuck 3 is provided with claws 9, the claws 9 are e...
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The invention relates to a component for an air supply device of a blast furnace, in particular to a peephole assembly for the air supply device of the blast furnace. The peephole assembly comprises a peephole cover, a peephole flange and an elbow body, wherein the peephole flange is connected with the elbow body, a spinning grab is arranged on the peephole flange, a spinning chuck is mounted on the peephole cover, and the spinning chuck is rotationally connected with the spinning grab. Compared with the prior art, the spinning chuck is rotationally connected with the spinning grab, the structural form has the advantages of simplicity in mounting and maintenance, reliable usability, tight sealing effect and the like, technological requirements of a peephole for the air supply device of the blast furnace can be met, and the service life of the peephole assembly is 5 years at least.
Description
technical field [0001] The invention relates to a component for a blast furnace air supply device, in particular to a peep hole assembly for a blast furnace air supply device. Background technique [0002] At present, the viewing hole assembly of the blast furnace air supply device is basically connected by a wedge plate, that is, the peephole cover and the elbow body of the air supply device are connected together through the wedge plate, and the sealing form of the peephole cover and the elbow body is made of asbestos. Packing structure, because the air supply pressure of the blast furnace air supply device is relatively high, this kind of mechanism is prone to run out of wind and high temperature during use, and at the same time, it also brings great physical exertion to maintenance workers during installation and commissioning. Contents of the invention [0003] The object of the present invention is to provide a peep hole assembly for a blast furnace air supply device...
Claims
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IPC IPC(8): C21B7/00
Inventor 田建全
Owner TANGSHAN JINSHAN TENGYU SCI & TECH