What are the common faults of regulating valve?

1. The valve stem is deformed; due to improper transportation or improper use conditions (pressure difference is beyond the allowable range), the leakage amount is too large. Due to insufficient force. Or the deposition of impurities on the sealing surface breaks the fit between the valve plug and ---MORE---

This entry was posted in 202001 on

Fluorite application field and prospects

Fluorite fluorite recognize human applications it is possible to reduce the melting point of the nature of refractory mineral starting. In traditional industries, fluorite in metallurgical industry for the refining of iron, steel and iron alloys in a flux, slagging agents; feedstock production of ar ---MORE---

This entry was posted in 202001 on

After reading these formulas, I know how the ball mill …

1. Fill rate: 2. Loading amount: Dm: ball mill inner diameter; L: ball mill length; ψ: ball mill filling rate; γ: steel ball bulk density; Steel ball diameter: d: the particle size of the material to be ground; 3. Comparison of ball diameter and ore size: Ball diameter 120 100 90 80 ---MORE---

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What is the generation and application scope of trolley…

The trolley wire is a type of wire. We have a scientific name for the slide conductor. The trolley wire is designed to meet the needs of the mobile device. Then why does the trolley wire come into being, and what kind of industry does the trolley wire apply to? Slide line generation: The so-call ---MORE---

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Research on Copper Ore Dressing Equipment (2)

4 new process of mineral processing In general, conventional beneficiation process uses the dissemination size characteristics and nature of copper sulfide ore mines to continue to adjust to the floating mill process, which has become the most mine copper concentrates to enhance the recovery rate, ---MORE---

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100-150 tons lead and zinc mine equipment list and quot…

100-150 tons of lead-zinc mine equipment list and quotation Name specification model number unit price (million yuan) Crusher 350×750 (400×600) 1 8.8 8.8 (including electric cabinet) Ball mill φ1500×3500(δ16) 1 19.2 19.2 (including electric cabinet) Classifier φ1200×8 ---MORE---

This entry was posted in 202001 on

Xu Dongliang: People-oriented, the significance of urba…

Dongliang International Lighting Design (Beijing) Center Co., Ltd. Xu Dongliang In recent years, urban lighting has developed rapidly. Everyone has their own unique insights and thoughts. Of course, visual satisfaction is the mainstream. Emphasis on the improvement of space comfort and functional en ---MORE---

This entry was posted in 202001 on