一种铁水液位计防尘降温保护装置

By installing a dust cover and a nitrogen circulation system on the molten iron level gauge, combined with a horn-shaped metal cylinder and a waveguide plate, the problems of short service life and low measurement accuracy of molten iron level gauges in high-temperature and high-ash environments are solved, achieving longer service life and higher accuracy measurement.

CN224508446UActive Publication Date: 2026-07-17ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD
Filing Date
2025-08-19
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种铁水液位计防尘降温保护装置,涉及液位计结构技术领域,解决了倾倒的铁水流以及铁水罐散发的热气及灰尘会影响铁水液位计的使用寿命及测量精确度的问题。安装于铁水罐上方,包括雷达液位计,所述雷达液位计外设有防尘罩,防尘罩上设有氮气进口和氮气出口,带动防尘罩内气体产生流通,雷达液位计还包括下端的金属筒,金属筒外还连通有若干吹扫气管,吹扫气管向上连通于防尘罩内。其能减少倾倒的铁水流以及铁水罐散发的热气及灰尘给铁水液位计带来的影响,从而达到提高铁水液位计的使用寿命及测量精确度的效果。
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Claims

1. A dustproof and cooling protection device for molten iron level gauges, characterized in that: Installed above the molten iron ladle, the device includes a radar level gauge. The radar level gauge is equipped with a dust cover, which has a nitrogen inlet and a nitrogen outlet to facilitate the circulation of gas inside the dust cover. The radar level gauge also includes a lower metal cylinder, which is connected to several purge air pipes that connect upwards to the inside of the dust cover.

2. The dustproof and cooling protection device for a molten iron level gauge according to claim 1, characterized in that: The metal cylinder includes a connecting flange at the upper end, and a radar level gauge and a dust cover are connected to the connecting flange.

3. The dustproof cooling protection device for a molten iron level gauge according to claim 2, characterized in that: The purging air pipe is connected between the outer periphery of the metal cylinder and the lower end face of the connecting flange, connecting the inside of the metal cylinder with the inside of the dust cover.

4. The dustproof cooling protection device for a molten iron level gauge according to claim 1, characterized in that: The metal cylinder is flared, with a smaller top and a larger bottom.

5. The dustproof cooling protection device for the molten iron level gauge according to claim 1 or 4, characterized in that: The lower end of the metal cylinder is also connected to a waveguide plate to focus the emitted wave on a set area.

6. The dustproof cooling protection device for a molten iron level gauge according to claim 1, characterized in that: The nitrogen inlet height is higher than the nitrogen outlet height.

7. The dustproof cooling protection device for a molten iron level gauge according to claim 1 or 6, characterized in that: The nitrogen outlet is located near the purge gas pipe.

8. The dustproof cooling protection device for a molten iron level gauge according to claim 1, characterized in that: The nitrogen inlet is equipped with a quick-connect straight connector, and the intake pipe can be detachably connected through the quick-connect straight connector.