Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1987-01-28
1988-03-22
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55274, 55191, 55204, 122 18, 122367A, 165163, B01D 5100
Patent
active
047325909
ABSTRACT:
A flash economizer employing an enclosed upright container has upper, intermediate and lower chambers for flashing pressurized blowdown effluent in the nature of moisture-contaminated steam. It is constructed to initially separate and remove pure steam in its upper so-called flashing chamber and to thereafter maximize, principally in the intermediate chamber, an indirect transfer of heat from the remaining heat-containing condensate or water to a clean effluent, such as make-up water. An upwardly spiraled tubing array positioned about and along the intermediate chamber receives the clean effluent and advances it in an upwardly spiraled counterclockwise path therealong, while the heat-containing condensate is directed in a downflow, counter or clockwise-spiraled path along the tubing array. The tubing array is carried by an enclosing support structure that defines a spiral downflow path for the heated condensate therealong and therabout. Enlarged inlet and outlet tubing members extend into and along the lower and into the intermediate chamber in a spaced relation with respect to each other, with the outlet or return tubing member extending along an inner periphery of the tubing array and along a substantially central supporting structure about which the array extends within the intermediate chamber. Downflow of heated condensate is proportioned to maintain a full spiral downflow within the enclosing structure along the tubing array while providing a central downflow along the inside of the central supporting structure.
REFERENCES:
patent: 3608279 (1971-09-01), West
patent: 3693324 (1972-09-01), McNeil
patent: 3720259 (1973-03-01), Fritz et al.
patent: 3788044 (1974-01-01), McNeil
patent: 3898068 (1975-08-01), McNeil
patent: 4471836 (1984-09-01), Hokanson
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