发明名称 |
PROCESS AND APPARATUS FOR PNEUMATICALLY INJECTING DOSED QUANTITIES OF FINELY DIVIDED SOLIDS INTO A VESSEL UNDER PRESSURE AND THE APPLICATION OF THIS PROCESS TO SHAFT FURNACES |
摘要 |
1. Process for the injection of metered quantities of pulverulent materials by pneumatic means and at a plurality of different points into an enclosure which is under variable pressure, through pneumatic channels fed with pulverulent material and propulsion fluid under pressure supplied by a booster, characterized in that in each transport track an intermediate deposit of pulverulent material is provided in a proportioning hopper into which the pulverulent material is introduced at pressure P1 , in that the pulverulent material is extracted by means of a current of gas at a pressure P2 lower than P1 , in that the pressure difference DELTA p = P1 - P2 is continuously measured and in that the pressure P2 is set at a level which ensures that the pressure difference DELTA p will correspond to a certain quantity of pulverulent material transported per unit of time by the carrier gas at a pressure P2 . |
申请公布号 |
DE3660681(D1) |
申请公布日期 |
1988.10.13 |
申请号 |
DE19863660681 |
申请日期 |
1986.01.18 |
申请人 |
PAUL WURTH S.A. |
发明人 |
ULVELING, LEON;SCHMIT, LOUIS |
分类号 |
B65G53/40;B65G53/66;C21B5/00;F27B1/20;(IPC1-7):C21B5/00 |
主分类号 |
B65G53/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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