Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
Apparatus for contacting a liquid with a gas, comprising a normally vertically extending column having a plurality of substantially horizontal trays arranged one above the other in the column, each of the trays being provided with apertures for the passage of the gas and with at least one discharge device for the liquid, the discharge devices being open at their upper ends, extending at least partly below the relevant trays and being provided with bottoms having liquid discharge openings, wherein a perforated structure is arranged between each discharge device of a tray and a next lower tray, for distributing the liquid from a liquid discharge opening of said discharge device over the next lower tray.
Claim 2
Dependent Claim
115 words
Apparatus for contacting a liquid with a gas, comprising a normally vertically extending column having a plurality of substantially horizontal trays arranged one above the other in the column, each of the trays being provided with apertures for the passage of the gas and with at least one discharge device for the liquid, the discharge devices being open at their upper ends, extending at least partly below the relevant trays and being provided with bottoms having liquid discharge openings, wherein a perforated structure is arranged between each discharge device of a tray and a next lower tray, for distributing the liquid from a liquid discharge opening of said discharge device over the next lower tray.
Claim 3
Dependent Claim
16 words
Apparatus as claimed in claim 1, wherein the perforated structures are formed of expanded metal sheets.
Claim 4
Dependent Claim
20 words
Apparatus as claimed in claim 1 or 2, wherein the perforated structures are each mounted on top of a tray.
Claim 5
Dependent Claim
34 words
Apparatus as claimed in claim 1 or 2, wherein the perforated structures are each secured to a discharge device so that their lower ends are spaced apart from the bottoms of said discharge devices.
Claim 6
Dependent Claim
25 words
Apparatus as claimed in any one of the claims 1-4, wherein the parts of the perforated structures facing the discharge devices are curved or bent.
Claim 7
Dependent Claim
27 words
Apparatus as claimed in claim 5, wherein the top of said curved or bent part of each perforated structure is substantially aligned with the adjoining discharge device.
Claim 8
Dependent Claim
37 words
Apparatus as claimed in any one of the claims 2-6, wherein the expanded metal sheets which form the perforated structures are so arranged that their more closed sides face upwards and their more open sides face downwards.
Claim 9
Dependent Claim
23 words
Apparatus as claimed in any one of the claims 1-7, wherein the perforated structures are arranged between the discharge devices and sieve trays.
Claim 10
Dependent Claim
23 words
Apparatus as claimed in any one of the claims 1-7, wherein the perforated structures are arranged between the discharge devices and valve trays.