Gas purification system

Claim 1

A system for purifying coal carbonization product gas containing NCN gas, H 2 S gas and NH 3 gas comprising a closed chamber, a first treatment means secured in an upper portion of said closed chamber, an absorbent liquid resuscitation means secured in a lower portion of said closed chamber and spaced from said first treatment means, means for feeding a coal carbonization product gas into said closed chamber in an area between said first treatment means and said absorbent liquid resuscitation means, a plurality of premix nozzles secured to said closed chamber at its bottom, a compressor connected to said premix nozzles to supply oxygen to said resuscitation means, spray means mounted in an upper portion of said closed chamber above said first treatment means, pump means connected via a supply line to a side of said closed chamber in an area including said resuscitation means, means connecting said spray means to said pump supply line which feeds an absorbent liquid resuscitated in said resuscitation means to said spray means, circulation pipe means secured to said pump supply line and to said premix nozzles which mixes an absorbent liquid with the oxygen from said air compressor before admission into said resuscitation means via said premix nozzles, a second treatment means connected to a top portion of said closed chamber above said first treatment means through a supply conduit means, said second treatment means being adapted to remove NH 3 gas remaining in the coal carbonization gas directed from said first treatment means, said premix nozzle means is in a form of a nozzle including therein a resuscitation gas passage joining an absorbent liquid passage, whereby the resuscitation gas is mixed into the absorbent liquid in fine bubbles prior to entry into said resuscitation means, and whereby the resuscitation gas discharged from said resuscitation means disposed below said first treatment means mixes with the coal carbonization gas and is delivered via said first treatment means with the coal carbonization product gas discharged therefrom through said supply conduit means to said second treatment means.

Claim 2

A system for purifying coal carbonization product gas containing NCN gas, H 2 S gas and NH 3 gas comprising a closed chamber, a first treatment means secured in an upper portion of said closed chamber, an absorbent liquid resuscitation means secured in a lower portion of said closed chamber and spaced from said first treatment means, means for feeding a coal carbonization product gas into said closed chamber in an area between said first treatment means and said absorbent liquid resuscitation means, a plurality of premix nozzles secured to said closed chamber at its bottom, a compressor connected to said premix nozzles to supply oxygen to said resuscitation means, spray means mounted in an upper portion of said closed chamber above said first treatment means, pump means connected via a supply line to a side of said closed chamber in an area including said resuscitation means, means connecting said spray means to said pump supply line which feeds an absorbent liquid resuscitated in said resuscitation means to said spray means, circulation pipe means secured to said pump supply line and to said premix nozzles which mixes an absorbent liquid with the oxygen from said air compressor before admission into said resuscitation means via said premix nozzles, a second treatment means connected to a top portion of said closed chamber above said first treatment means through a supply conduit means, said second treatment means being adapted to remove NH 3 gas remaining in the coal carbonization gas directed from said first treatment means, said premix nozzle means is in a form of a nozzle including therein a resuscitation gas passage joining an absorbent liquid passage, whereby the resuscitation gas is mixed into the absorbent liquid in fine bubbles prior to entry into said resuscitation means, and whereby the resuscitation gas discharged from said resuscitation means disposed below said first treatment means mixes with the coal carbonization gas and is delivered via said first treatment means with the coal carbonization product gas discharged therefrom through said supply conduit means to said second treatment means.