The heat-conducting oil system device
Technical field
The utility model relates to a kind of system and device that is used for conduction oil dehydration exhaust in the anode production of electrolytic aluminium.
Background technique
At present, in the aluminium anode production system, conduction oil is as heating medium for high temperature, in paste producing and asphalt melting production process with carry out heat exchange with hot equipment, play heat effect.Conduction oil after the heat exchange is got back to the heat-conducting oil heating station and is reheated, and delivers to each hot user after the pressurization again, so recycles.
In the heat-conducting oil heating station, the production initial stage needs to fill with conduction oil in pipe-line system, system is after operation a period of time, need to replenish conduction oil, the new conduction oil that injects contains gas and moisture, when interior entrained gas of the circulatory system and moisture, often can bring the faults such as cavitation corrosion of conduction oil recycle pump, influence the variation and the temperature change of conduction oil flow, cause the coefficient of overall heat transmission to hang down inferior harmful effect.The exhaust dehydration method of Cai Yonging was the highest point in whole system in the past, and promptly paste producing high building portion is provided with a deaerator and an expansion slot, carried out exhaust and the dehydration that heats up when system's initial operating stage.But another main users asphalt melting of heat-conducting oil system has certain distance apart from paste producing high building portion, the exhaust of whole heat-conducting oil system and dehydration all will be finished to the deaerator and the expansion slot of paste producing high building portion by pipe network, therefore cause the exhaust spin cycle long, effect is undesirable.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of improved heat-conducting oil system device is provided, and this device can shorten the cycle of system exhaust dehydration, can remove gas and moisture in the heat-conducting oil system again more effectively, to overcome the deficiencies in the prior art
The utility model is to constitute like this: on the return tube (7) of paste producing high building portion preheating spiral (1) deaerator (3) is set, deaerator (3) is connected with conduction oil expansion slot (4) by expansion tube (9); On the return tube (8) of the asphalt melting groove (2) of asphalt melting deaerator (5) is set, deaerator (5) is connected with conduction oil expansion slot (6) by expansion tube (10); Deaerator (3) is connected with the heat-conducting oil heating station with the other end of deaerator (5).
Owing to adopted said apparatus, the exhaust dehydration of the heat-conducting oil system of asphalt melting need not to carry out through pipe network to paste producing high building portion again, shorten the exhaust spin cycle greatly, and made that the exhaust dehydration is more complete, more helped the stable operation of heat-conducting oil system.
Description of drawings
Fig. 1 is a schematic representation of the present utility model.
Embodiment
Embodiment of the present utility model: on the return tube 7 of paste producing high building portion preheating spiral 1 deaerator 3 is set, deaerator 3 is connected with conduction oil expansion slot 4 by expansion tube 9; On the return tube 8 of the asphalt melting groove 2 of asphalt melting deaerator 5 is set, deaerator 5 is connected with conduction oil expansion slot 6 by expansion tube 10; Deaerator 3 is merged the back with the other end of deaerator 5 to be connected with the heat-conducting oil heating station.