Feed detection device of RH vacuum furnace
A detection device and vacuum furnace technology, applied in furnaces, furnace components, lighting and heating equipment, etc., can solve problems such as troublesome installation and adjustment of high-temperature cameras, lens burnout failures, and long stocking cycles, to avoid direct contact with high temperature, use Long life, simple adjustment effect
Inactive Publication Date: 2017-03-22
张鹏
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Problems solved by technology
However, due to various reasons such as high temperature, fouling and blockage of water-cooling pipes, and insufficient water-cooling cooling function, the lens of high-temperature cameras is prone to burnout failures, and the installation and adjustment of high-temperature cameras are troublesome. High-temperature cameras are generally imported parts, which are costly and have a long lead time.
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Embodiment Construction
[0020] The following is a further explanation of the invention patent in conjunction with the attached drawings:
[0021] The feeding detection device of the present invention is composed of a feeding chute 1, an earpiece tube 2, a supporting seat 3, a shock absorber 4, a base 5, a bolt 6, a spring washer 7, a rubber sealing ring 8, a platform bottom plate 9, and an operating room top plate 10. In specific implementation, the feeding material passes through the feeding chute 1 and contacts the tapered head at the top of the earpiece tube 2, and the vibration sound waves generated by the feeding are transmitted to the operating room through the earpiece tube 2. The earpiece tube 2 is vibration-isolated by the shock absorber 4, which can reduce interference. In this way, the operator can judge whether the feeding is successful by sound.
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The invention discloses a feed detection device of an RH vacuum furnace. The feed detection device is composed of a feed hose pipe, a receiver pipe, supporting seats, shock absorbers, bases, bolts, elastic washers, a rubber sealing ring, a platform bottom plate and an operation chamber top plate. A conical hole in the top end of the receiver pipe is embedded in the lower portion of the feed hose pipe and then enters an operation chamber through a preformed hole of the platform bottom plate and a preformed hole of the operation chamber top plate. By means of the supporting seats, the shock absorbers and the bases, the receiver pipe is fixed to the platform bottom plate and the operation chamber top plate. By means of the bolts and the elastic washers, the shock absorbers are connected to the supporting seats and the bases. The rubber sealing ring is plugged in the clearance between the preformed hole of the operation chamber top plate and the receiver pipe. When the feed hose pipe is used for feed, vibration sound waves are generated to be transmitted to the operation chamber through the receiver pipe, and the feed detection function is achieved. The device is simple in structure, cheap, safe, efficient, stable, reliable and good in effect.
Description
Technical field [0001] The invention relates to a charging detection device for a RH vacuum furnace. Background technique [0002] RH vacuum furnace is the key equipment for vacuum treatment of molten steel in the steelmaking process. It is used to eliminate the white spots caused by hydrogen in molten steel, and can produce many high-purity, high-value-added products. The RH vacuum furnace charging system is mainly composed of a high-position silo, a vibrating feeder, a weighing hopper, a return device, a vacuum hopper, an expansion joint and a pneumatic flap valve. Because the feed will be jammed in the hopper, even if the valve is opened, the feed cannot be fed, which will cause the molten steel to be unqualified. In order to solve this problem, the existing equipment generally has a quartz glass observation window and a high temperature camera on the flap valve to observe the feeding situation in the alloy feeding chute. However, due to various reasons such as high temperat...
Claims
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IPC IPC(8): C21C7/10F27D21/00
CPCC21C7/10F27D21/00
Inventor 张鹏
Owner 张鹏