Heat exchanger cleaning process

Details Heat exchanger cleaning process Heat exchanger cleaning process

2005-08-30

2005-08-30

Carrillo, Sharidan (Department: 1746)

Cleaning and liquid contact with solids

Processes

Including work heating or contact with combustion products

C134S022100, C134S022110, C134S022120, C134S022140, C134S022150, C134S022180, C134S022190, C134S026000, C134S027000, C134S030000, C134S031000, C134S034000, C134S035000, C134S036000, C134S037000

Reexamination Certificate

active

06936112

ABSTRACT:
Disclosed is a novel process for cleaning and restoring the operating efficiency of organic liquid chemical exchangers in a safe and effective manner and in a very short period of time, without a need to disassemble the equipment and without the need to rinse contaminate from the equipment after cleaning. Used is a formulation of monocyclic saturated terpene mixed with a non-ionic surfactant package specifically suited to oil rinsing. The terpene-based chemical is injected into organically contaminated exchangers using a novel process involving high-pressure steam to form a very effective cleaning vapor.

REFERENCES:
patent: 3084076 (1963-04-01), Loucks
patent: 4464189 (1984-08-01), Tedder
patent: 5356482 (1994-10-01), Mehta et al.
patent: 5389156 (1995-02-01), Mehta et al.
patent: 5425814 (1995-06-01), Krajicek et al.
patent: 6017492 (2000-01-01), Hashimoto
patent: 6283133 (2001-09-01), Furuta et al.
patent: 2004/0102351 (2004-05-01), Jansen et al.

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