摘要:
There is provided a water heater in which scale adhesion to the inner wall of a liquid to-be-heated flowing channel in a heat exchanger that constitutes the water heater is reduced, and lowering of heat transfer performance and obstruction of the flow channel due to the scale adhesion is reduced. By applying pulsation of a liquid to be heated which circulates between a tank (1) and a heat exchanger (3), scale that has been deposited on the inner wall (heat-transfer surface) of a liquid to-be-heated flow channel (31) in a heat exchanger (3) is detached, and the number of times of circulation of the liquid to be heated which circulates between the tank and the heat exchanger is controlled to be three times or less. A distribution control unit (101) pulsates the to-be heated liquid that passes through the liquid to-be-heated flow channel (31) of the heat exchanger (31), and also controls a flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31) so that the number of times of circulation indicating the number of times at which the entire volume of the liquid to-be-heated stored in the tank (1) passes through the heat exchanger (3) is three times or less. The number of times of circulation is determined, based on the entire volume of the liquid to-be-heated stored in the tank (1), a boiling time to be taken for the entire volume of the liquid to-be-heated in the tank (1) to reach a predetermined temperature, and the flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31).
摘要:
The invention relates to a flexible and foldable thin-walled container (20) which can be inflated by means of an explosive mixture and which comprises a wall (22) having an inlet opening (25), surrounding an interior space (21) for the explosive mixture. The thin-walled container (20) is designed for use in a method for removing by blasting technology deposits from the surfaces of cavities of containers to be cleaned. The wall (22) of the thin-walled container (20) is designed, at least in sections, such that when an explosive mixture present in the interior space (21) of the thin-walled container (20) explodes, particles (24) are released which, accelerated by the blast, are suitable to act upon deposits in the interior space of a container and to remove at least part thereof.
摘要:
There is provided a water heater in which scale adhesion to the inner wall of a liquid to-be-heated flowing channel in a heat exchanger that constitutes the water heater is reduced, and lowering of heat transfer performance and obstruction of the flow channel due to the scale adhesion is reduced. By applying pulsation of a liquid to be heated which circulates between a tank (1) and a heat exchanger (3), scale that has been deposited on the inner wall (heat-transfer surface) of a liquid to-be-heated flow channel (31) in a heat exchanger (3) is detached, and the number of times of circulation of the liquid to be heated which circulates between the tank and the heat exchanger is controlled to be three times or less. A distribution control unit (101) pulsates the to-be heated liquid that passes through the liquid to-be-heated flow channel (31) of the heat exchanger (31), and also controls a flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31) so that the number of times of circulation indicating the number of times at which the entire volume of the liquid to-be-heated stored in the tank (1) passes through the heat exchanger (3) is three times or less. The number of times of circulation is determined, based on the entire volume of the liquid to-be-heated stored in the tank (1), a boiling time to be taken for the entire volume of the liquid to-be-heated in the tank (1) to reach a predetermined temperature, and the flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31).
摘要:
The present application provides a pulse detonation combustor cleaning device 100. The pulse detonation combustor cleaning device 100 may include a combustion section 110 and one or more combustion tube sections 170 downstream of the combustion section. The combustion tube sections 170 may be a divergent shape and may have a number of divergent obstacles 250 therein.