Patent Profile
| Patent No: | US5984671 [USA] | Application No: | 659959 |
| Title: | Sealing device useful for providing air-seal self-controlled discharge of product from a process equipment such as a vertical shaft kiln | ||
| Issue Date: | 16-11-1999 | File Date: | 06-07-1996 |
| Inventor(s): | Dutta, Dilip Kumar; Ahmed, Wahid; Barkakati, Pranab; Bora, Jayanta Jyoti; Kalita, Subodh Chandra; Barkataki, Ajoy; Goswami, Prabhat Chandra; Borah, Umesh Chandra | ||
| IPC Classification: | F27D 001/08 | ||
| Abstract: | This invention relates to a sealing device useful for attachment to a process equipment such as vertical shaft kiln (VSK) for providing air-seal self-controlled discharge of product from the said equipment, which comprises a chamber (1) having at its top end an inlet (3) with flange (2) for fitting to the discharge chute of a process equipment and a discharge outlet (16) at its bottom end, the said chamber being provided with a partition wall (4) having an inlet gate (5) & a discharge gate (6) hinged to its top & bottom respectively, the free ends of the hinged gates being such as to sit on means (7) and (8) to provide air seal, means (9,10,11,12,13,14,15,17,18,19,20& SOL) being provided for simultaneous operation of the inlet & discharge gates, the said means [9(a) & (b) and SOL] being connected to a control circuit for actuating the movement of the gates, the discharge outlet being fitted onto a volumetric discharge unit (21) provided with means (22) for measuring the quantity of product discharge. | ||
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