Direct Flow Meter for Weighing of Tungsten Carbide
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- Category: Tungsten's News
- Published on Friday, 05 July 2013 09:12
- Written by Yuri
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The C-Lever direct system is installed and operating in the Schöndorfer GmbH’s dolomite plant in Jettenberg, Austria. Their requirements were based on the exact dosage of dolomite tungsten carbide powder on a conveyor – at a mere flow rate of 300 up to 500 kg/h. The structural requirements basically didn’t permit an installation at normal height. With a minor height of just 670 millimetres, the C-Lever direct 12 PRE stood the test. Despite extreme dust development, further dedusting within the device itself could be waived. Stability was achieved through tungsten carbide coating that is applied to the gravimetric slide sensor during a thermal spray process. Tungsten carbide products are characterised by its very high wear resistance.
With tungsten carbide's coated gravimetric slide, the C-Lever direct accurately and consistently measures the ground dolomite rocks. Through this measured value, the customer is now capable of adjusting the flow capacity to the conveyor. The conveyor’s effective use now lies at 100 percent and isn’t overloaded.
Rembe says that, besides high accuracy, flexibility, simple integration and handling, their measuring system offers high process safety. This would be guaranteed by a patent-pending, friction-free measurement of the centripetal force. Compared to other bulk flow meters, the C-Lever gravimetrically measures the product stream at the sensor, in other words, without any mechanical components such as rotary belts, bearing or other moving parts. The manufacturer claims that this results in a substantial improvement of the current industrial standards of up to ± 0.2 percent at a turn-down ratio of 20:1 on the measuring range. Even minor flow rates of under 100 kg/h can be linearly measured. The C-Lever recognises and compensates various influences on the bulk flow, thus, measuring is not influenced by the numerous variable factors arising during the process. The steeply mounted gravimetric slide sensors prevent the product’s adhesion, which eliminates the zeropoint shift as a source of error. Elaborate pneumatic dedusting becomes history.
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Tungsten Carbide Powder Prices
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- Category: Tungsten's News
- Published on Thursday, 04 July 2013 16:46
- Written by Elva
- Hits: 2173
China tungsten carbide powder prices stable.
China tungsten market is stable this week, and the customers and the suppliers are inactive in making deals.
The tungsten carbide powder prices are stable this week, and it is expected that the market will be quiet with few buying activities.
A source from a tungsten carbide powder factory based in South China, with an output of around 200 tons per month, expressed the tungsten carbide powder prices may keep stable for a short time.
You can visit the following links for more information about tungsten market.
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European Ammonium Paratungstate Market (APT Market)
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- Category: Tungsten's News
- Published on Thursday, 04 July 2013 16:27
- Written by Elva
- Hits: 2444
European ammonium paratungstate prices (APT prices) stable, downstream market remains quiet.
European APT offering prices have held firm between USD390-395mtu in warehouse Rotterdam this week, and yet despite the strong signals from China suggesting that APT export prices will continue to increase above USD410mtu CIF Rotterdam in the weeks ahead, downstream users in Europe continue to hold a wait-and-see approach, and have so far resisted offers above USD395mtu in warehouse Rotterdam as of Tuesday.
European sources still largely expect APT prices to edge up above USD400mtu in the coming weeks, but feel that well stocked downstream users are in no rush to build up the market.
You can visit the following links for more information about ammonium paratungstate market(APTmarket).
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Tungsten Metal Market
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- Category: Tungsten's News
- Published on Thursday, 04 July 2013 16:35
- Written by Elva
- Hits: 2206
China tungsten metal prices keep stable.
The tungsten concentrate and APT prices moved up in the recent days, and most of the consumers mainly consumed the stocks and were still inactive in purchasing materials on the weak demand.
Therefore, the tungsten metal prices do not fluctuate. Tungsten metal market remains sluggish. There are a few deals being concluded in the market..
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Rare Earths Emerging as‘Critical’ Global Metals
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- Category: Tungsten's News
- Published on Thursday, 04 July 2013 15:51
- Hits: 2269
Similar to the supply of tungsten, China controlled more than 90% of REE production, accounting for the majority of the country’s consumption and had, since the 1980s, become the sole provider of global rare earths.
Smith noted that the country had, since 2010, reduced its export quota by 40% to preserve local demand, as well as encourage local downstream production.
It had further promoted increased production efficiencies through the imposed mergers of smaller companies with larger companies in an effort to create ‘mega corporations’ with increased control over production and prices.
“In response to China’s strategy, we have observed a coordination of legal action, with Europe, the US and Japan bringing China before the World Trade Organisation.
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