发明名称 |
Process and device for producing granulated slag sand from blast furnace slag |
摘要 |
PCT No. PCT/DE86/00124 Sec. 371 Date Dec. 2, 1986 Sec. 102(e) Date Dec. 2, 1986 PCT Filed Mar. 22, 1986 PCT Pub. No. WO86/05818 PCT Pub. Date Oct. 9, 1986.In order to reduce or avoid the discharge of gaseous pollutants H2S and SO2 to the environment in a process for the production of slag sand (granules) from blast-furnace slag by granulation of the slag by means of a water jet, the propulsion jet interspersed with water vapor, granules and pollutants is injected directly into a water receiver, the residual vapor still remaining and the pollutants H2S and SO2 not yet washed out are cooled down in a condenser in counter-current with spray water and condensed, and the residual gas remaining after the vapor condensation is taken off from the top end of the condenser and recycled via a recycle line back to the injector.
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申请公布号 |
US4758260(A) |
申请公布日期 |
1988.07.19 |
申请号 |
US19860004475 |
申请日期 |
1986.12.02 |
申请人 |
AJO STAHLBAU GMBH & CO. KG |
发明人 |
GEROPP, DIETER;WIEDEMER, KARL;MULLER, KONRAD |
分类号 |
C04B5/02;C04B5/00;C21B3/08;C25B3/08;F27D15/02;(IPC1-7):C03B19/00 |
主分类号 |
C04B5/02 |
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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