Claims
- 1. A system for producing a cooling gas for a melt-down gasifier and an iron reduction unit, and for producing a surplus gas for use outside the gasifier and reduction unit, comprising: first means for passing a substantially constant gas quantity of a producer gas from the melt-down gasifier through a gasifier supply conduit having a cooling and cleaning apparatus and back into the melt-down gasifier and reduction unit as a cooling gas; second means for passing a top gas from an iron reduction unit through a surplus gas supply line having a cooling and cleaning apparatus to the outside use; and third means for passing the producer gas exceeding said substantially constant gas quantity directly into the surplus gas supply line through the cooling and cleaning apparatus therein and to the outside use, while by-passing the melt-down gasifier and iron reduction unit.
- 2. A system according to claim 1, wherein each cooling and cleaning apparatus has a first and a final cleaning stage, said third means passing the producer gas exceeding said constant gas quantity through the first cleaning stage of the cooling and cleaning apparatus in the gasifier supply conduit, and thereafter through the final stage of the cooling and cleaning apparatus in the surplus gas supply line.
- 3. A system according to claim 1, comprising means for removing water contained in the cooling and surplus gases passed through the cooling and cleaning apparati.
- 4. A system according to claim 2, comprising means for removing water contained in the cooling and surplus gases passed through the cooling and cleaning apparati.
- 5. A system according to claim 1, wherein each cooling and cleaning apparatus has a packing washer and an adjustable Venturi washer downstream thereof.
- 6. A system according to claim 5, comprising a connecting line from an outlet of the packing washer of the cooling and cleaning apparatus in said first conduit menas to an inlet of the Venturi washer in said third conduit means.
- 7. A system according to claim 5, comprising a drop separator connected to an outlet of each Venturi washer.
- 8. A system according to claim 6, comprising a crop separator connected to an outlet of each Venturi washer.
- 9. A system according to claim 6, comprising conveyor means with a constant flow quantity in said first conduit means downstream of the connecting line or of said cooling and cleaning apparatus.
- 10. A system according to claim 7, comprising conveyor means with a constant flow quantity in said first conduit means downstream of the connecting line or of said cooling and cleaning apparatus.
- 11. A system according to claim 9, comprising a blower connected to an outlet of the cooling and cleaning apparatus in said first conduit means.
- 12. A system according to claim 10, comprising a blower connected to an outlet of the cooling and cleaning apparatus in said first conduit means.
- 13. A system according to claim 12, wherein an outlet of the drop separator of the cooling and cleaning apparatus in said first conduit means is connected via blower to an inlet of the packing washer associated therewith.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3524011 |
Jul 1985 |
DEX |
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Parent Case Info
This is a division of application Ser. No. 881,071, filed July 2, 1986, now U.S. Pat. No. 4,793,857.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4316739 |
Beggs et al. |
Feb 1982 |
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4699655 |
Milionis |
Oct 1987 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
881071 |
Jul 1986 |
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