Cleaning device for heat exchangers having tube bundles, in part

Details Cleaning device for heat exchangers having tube bundles, in part Cleaning device for heat exchangers having tube bundles, in part

1988-09-16

1989-07-04

Favors, Edward G.

Liquid heaters and vaporizers

Cleaning

Fluid jet

15316R, 122382, 134167C, 165 95, F22B 3752

Patent

active

048440213

ABSTRACT:
A cleaning device for heat exchangers having tube bundles includes a lance with nozzles to be introduced through an opening in a heat exchanger into a tube bundle in the heat exchanger. A hollow cylinder guides the lance. A flange connected to the hollow cylinder fastens the hollow cylinder at the opening of the heat exchanger. The lance is incrementally advanced. A pivot device for moving the lance includes a motor disposed on the hollow cylinder, a pendulum gear connected to the motor, and a carrier engaging the pendulum gear. The carrier has wheels guided in longitudinal grooves formed in the lance.

REFERENCES:
patent: 3377026 (1968-04-01), De Mart et al.
patent: 4079701 (1978-03-01), Hickman et al.
patent: 4273076 (1981-06-01), Lahoda et al.
patent: 4276856 (1981-07-01), Deht et al.
patent: 4492187 (1985-01-01), Hammond
patent: 4565206 (1986-01-01), Booij
patent: 4715324 (1987-12-01), Muller et al.
patent: 4803959 (1989-02-01), Sherrick et al.

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