Full throttle valve and method of tube and gate change

Details Full throttle valve and method of tube and gate change Full throttle valve and method of tube and gate change

1981-01-19

1983-11-15

Scherbel, David A.

Dispensing

Processes of dispensing

Molten metal

222600, 222603, B22D 3700, B22D 4108

Patent

active

044151039

ABSTRACT:
A sliding gate valve of the type in which refractory gates are sequentially disposed in operative position beneath the pour opening from a teeming vessel, such as a tundish, is effective to controllably throttle the metal flow stream from the vessel. Separate drives are employed for disposing the gates in their operative position within the valve mechanism and for positioning the gates to control the degree of throttling of the flow stream from the vessel whereby the gates can be changed without altering the throttling configuration of the valve. Additionally the valve is adapted to accommodate pour tube attachments which may be changed either in conjunction with changes of the slide gates or independently thereof. The valve mechanism and its replaceable refractory components are designed for the supply of fluids for cooling these members and for the injection of fluid reactants into the metal pouring process.

REFERENCES:
patent: 311902 (1885-02-01), Lewis
patent: 808810 (1906-01-01), Brookfield
patent: 3731912 (1973-05-01), Kutzer
patent: 3765579 (1973-10-01), Cramer et al.
patent: 3779431 (1973-12-01), Tinnes et al.
patent: 3866806 (1975-02-01), Shapland
patent: 3918613 (1975-11-01), Shapland et al.
patent: 4168790 (1979-09-01), Lothmann et al.

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