Air draft explosion-proof device
A technology of explosion-proof devices and explosion-proof ports, which is applied in the direction of furnace safety devices, furnaces, lighting and heating equipment, etc., can solve problems affecting the normal operation of heating furnaces, and achieve the effect of avoiding affecting the working environment and not being easily dislocated
Inactive Publication Date: 2018-05-08
桂林市雁山区教育局教学研究室
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[0002] The explosion-proof device of the smelting furnace is usually an opening on the pipe, and an explosion-proof cover is installed at the opening. When the pressure in the furnace is too high, the explosion-proof cover is opened to protect it. After the pressure in the furnace is normal, the manual operation makes the explosion-proof cover close. However, this kind of explosion-proof device cannot automatically reset and close after the explosion-proof cover is opened, and must be completed manually. operation, so it is necessary to solve these problems
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[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0016] Such as Figures 1 to 3 As shown, a ventilation explosion-proof device includes a corner pipe 1, one end of the pipe 1 communicates with the furnace chamber passage, the other end of the pipe 1 communicates with the smoke exhaust passage, and the pipe 1 is provided with an explosion-proof port 2 , the upper end of the explosion-proof port 2 is provided with an explosion-proof cover 3, and both sides of the explosion-proof port 2 are provided with elastic devices 4, and the lower ends of the two elastic devices 4 are fixedly connected with the pipeline 1, and the elastic devices 4 are fixedly connected to each other. The upper end of device 4 is fixedly connected with described explosion-proof cover 3, and the...
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The invention relates to an air draft explosion-proof device. The device comprises a corner pipeline, wherein one end of the pipeline communicates with a furnace chamber channel, the other end of thepipeline communicates with a smoke discharging channel, and an explosion-proof opening is formed in the pipeline; an explosion-proof cover is arranged at the upper end of the explosion-proof opening;the two sides of the explosion-proof opening are provided with elastic devices, and the lower ends of the two elastic devices are fixedly connected with the pipeline; the upper ends of the elastic devices are fixedly connected with the explosion-proof cover, and a ring of sealing ring is arranged at the edge of the upper end of the explosion-proof opening; a first magnetic ring is arranged on theouter ring of the sealing ring, a second magnetic ring is arranged on the explosion-proof cover, and the second magnetic ring is correspondingly located above the first magnetic ring; and an exhaust fan is arranged on the pipeline, a pressure relay is arranged on the explosion-proof cover, and the exhaust fan is connected with a power supply through the pressure relay. Compared with the prior art,the device has the advantages that the structure is simple, the operation is stable, the smelting furnace can be automatically closed, and the sealing performance is good; the exhaust fan is used forexhausting air to the explosion-proof cover, so that the influence of hot air on the operation environment is avoided.
Description
technical field [0001] The invention relates to the technical field of mineral smelting, in particular to an explosion-proof device for ventilation. Background technique [0002] The explosion-proof device of the smelting furnace is usually an opening on the pipe, and an explosion-proof cover is installed at the opening. When the pressure in the furnace is too high, the explosion-proof cover is opened to protect it. After the pressure in the furnace is normal, the manual operation makes the explosion-proof cover close. However, this kind of explosion-proof device cannot automatically reset and close after the explosion-proof cover is opened, and must be completed manually. operation, so it is necessary to solve these problems. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a smelting furnace explosion-proof device with simple structure, stable operation, automatic closing of the smelting furnace and good sealin...
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IPC IPC(8): F27D21/00
CPCF27D21/00F27D2021/0071
Inventor 石昌盛唐佳芬
Owner 桂林市雁山区教育局教学研究室