Abstract 1,008,400. Valves. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. July 26, 1962 [July 28, 1961], No. 28790/62. Heading F2V. [Also in Division B1] A valve for an opening 2 in a gas 1 liquid contact tray comprises a plate 3 (Fig. 1), having downwardly-extending guide elements 9 and 10 made of resilient strip material and provided at their ends with a bent-over portion 12 or a tongue 11 which when the valve is lifted, limit its upward movement by contact with the underside of the tray. The guide elements may be formed as a single strip passing over. the top of the plate 3 and secured thereto in recesses formed in the periphery of the plate. In a modification, two strips crossing each other or lying parallel on the top of the plate 3 may be employed. As shown in Fig. 8, three guide elements are provided. In other modifications, strips forming the guide elements are secured to the undersurface of the plate 3.
A GAS-LIQUID CONTACTING APPARATUS COMPRISING: A CONTACTING TRAY ADAPTED TO BE MOUNTED HORIZONTALLY WITHIN A CONTACTING COLUMN TO RETAIN A BODY OF LIQUID THEREON AND HAVING A FLOW OPENING THERETHROUGH, AND A VALVE MOUNTED ON SAID TRAY FOR VERTICAL MOVEMENT OF CONTROL THE PASSAGE THROUGH THE SAID OPENING, THE SAID VALVE COMPRISING: (A) A VALVE BODY SITUATED ABOVE THE TRAY AT SAID OPENING HAVING SUPPORT MEANS ENGAGING THE UPPER TRAY SURFACE WHEN THE VALVE IS IN ITS LOWERMOST POSITION, AND (B) A SEPARATE GUIDE UNIT AND MEANS TO ATTACH SAID UNIT TO THE VALVE BODY, SAID UNIT INCLUDING (1) AN UPPER, SUBSTANTIALLY HORIZONTAL PART JUXTAPOSED TO AND ABOVE SAID VALVE BODY, AND (2) A PAIR OF VERTICAL GUIDE INTEGRAL TO SAID UPPER PART AND EXTENDING DOWNWARDLY THROUGH THE VALVE BODY NEAR THE EDGE OF SAID OPENING, (3) SAID UNIT BEING FORMED OF FLAT, RESILIENT METAL, (C) SAID GUIDES HAVING OUTWARDLY-EXTENDING AND UPWARDLY-DIRECTED RETAINING ABUTMENTS AT THEIR LOWER PARTS POSITIONED LATERALLY OUTSIDE OF THE SAID FLOW OPENING FOR ENGAGEMENT WITH THE UNDER SIDE OF THE TRAY TO LIMIT THE UPWARD MOVEMENT OF THE VALVE, (D) SAID ABUTMENTS BEING MOVABLE INWARDLY BY FLEXURE OF THE GUIDES TO PERMIT DOWNWARD PASSAGE THROUGH THE OPENING, AND (E) SAID VALVE BODY HAVING CIRCUMFERENTIALLY DISTRIBUTED MEANS FOR POSITION SAID GUIDES AGAINST CIRCUMFERENTIAL DISPLACEMENT.
Claim 2
Dependent Claim
217 words
A GAS-LIQUID CONTACTING APPARATUS COMPRISING: A CONTACTING TRAY ADAPTED TO BE MOUNTED HORIZONTALLY WITHIN A CONTACTING COLUMN TO RETAIN A BODY OF LIQUID THEREON AND HAVING A FLOW OPENING THERETHROUGH, AND A VALVE MOUNTED ON SAID TRAY FOR VERTICAL MOVEMENT OF CONTROL THE PASSAGE THROUGH THE SAID OPENING, THE SAID VALVE COMPRISING: (A) A VALVE BODY SITUATED ABOVE THE TRAY AT SAID OPENING HAVING SUPPORT MEANS ENGAGING THE UPPER TRAY SURFACE WHEN THE VALVE IS IN ITS LOWERMOST POSITION, AND (B) A SEPARATE GUIDE UNIT AND MEANS TO ATTACH SAID UNIT TO THE VALVE BODY, SAID UNIT INCLUDING (1) AN UPPER, SUBSTANTIALLY HORIZONTAL PART JUXTAPOSED TO AND ABOVE SAID VALVE BODY, AND (2) A PAIR OF VERTICAL GUIDE INTEGRAL TO SAID UPPER PART AND EXTENDING DOWNWARDLY THROUGH THE VALVE BODY NEAR THE EDGE OF SAID OPENING, (3) SAID UNIT BEING FORMED OF FLAT, RESILIENT METAL, (C) SAID GUIDES HAVING OUTWARDLY-EXTENDING AND UPWARDLY-DIRECTED RETAINING ABUTMENTS AT THEIR LOWER PARTS POSITIONED LATERALLY OUTSIDE OF THE SAID FLOW OPENING FOR ENGAGEMENT WITH THE UNDER SIDE OF THE TRAY TO LIMIT THE UPWARD MOVEMENT OF THE VALVE, (D) SAID ABUTMENTS BEING MOVABLE INWARDLY BY FLEXURE OF THE GUIDES TO PERMIT DOWNWARD PASSAGE THROUGH THE OPENING, AND (E) SAID VALVE BODY HAVING CIRCUMFERENTIALLY DISTRIBUTED MEANS FOR POSITION SAID GUIDES AGAINST CIRCUMFERENTIAL DISPLACEMENT.