Process and apparatus for supplying a mixture of CO.sub.2 and SO

Details Process and apparatus for supplying a mixture of CO.sub.2 and SO Process and apparatus for supplying a mixture of CO.sub.2 and SO

1985-05-14

1986-10-07

Chambers, A. Michael

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137 88, 137891, 137892, 137 13, G05D 1100

Patent

active

046153527

ABSTRACT:
The gaseous CO.sub.2 is supplied at a pressure of 10 bars and at a constant rate of flow to the primary inlet (3) of an aspiration device (1). Gaseous SO.sub.2 coming from a cylinder (24) which is heated and contains liquid SO.sub.2 is conducted through a heated line (4) provided with an adjustable flow meter (27) to the secondary inlet (5) of the aspiration device. The mixture issuing from the latter is injected into a buffer tank (6) whose pressure is regulated at a value higher than the pressure of utilization and is drawn from this buffer tank when utilized. Applications in the supplying of mixtures for hardening sand moulds or cores to foundries of medium size.

REFERENCES:
patent: 3298383 (1967-01-01), Cooper
patent: 3507626 (1970-04-01), Van Horn
patent: 3721253 (1973-03-01), Renke
patent: 3799195 (1974-03-01), Hermans
patent: 3841344 (1974-10-01), Slack
patent: 4023587 (1977-05-01), Dobritz
patent: 4111637 (1978-09-01), Hillman, II
patent: 4257438 (1981-03-01), Miller
patent: 4349358 (1982-09-01), Tarancon

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