... is the condersor water , it only becomes hotter after using , so no matter when take it into next time . The ... regularly.Both them are recycle water , no discharge , take full use of it .so can save the water resource ... the exhaust gas comes , we set the anti-back fire devices to collect them then recyle to the ... , so we set the furnace height 80mm, it can take the outer flame , so use less fuel , ...