0.5T Fuel Gas Steam Boiler for High Pressure Cleaner

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Treatment method for water leakage of fully preheated condensing gas steam generator

Usually, the water leakage of the fully premixed condensing gas steam generator can be divided into several aspects:
1. Water leakage on the inner wall of the fully premixed condensing gas steam generator:
Leakage on the inner wall is further divided into leakage from the furnace body, water cooling, and downcomer. If the previous leak is relatively small, it can be repaired with similar steel grades. After the repair, flaw detection will be carried out. If water leaks from the rear to the front, the pipe must be replaced, and if the area is quite large, replace one.
2. Water leakage from the hand hole of the fully premixed condensing gas steam generator:
Try to install it at another angle to see if there is any deformation of the hand hole cover. If there is any deformation, calibrate it first, and then replace the rubber tape to wrap the mat evenly. Try to be consistent with the position before the maintenance.
3. Water leakage in the furnace body of the fully premixed condensing gas steam generator:

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The repair cost is high, mainly depends on the location of the fault point and the size of the fault point. If there is red pot water leaking from the steam generator, it indicates that the water quality is faulty, which may be due to low alkalinity or dissolved oxygen in the water. Metal corrosion caused by too high. Low alkalinity may require sodium hydroxide or trisodium phosphate to be added to the pot water, and the dissolved oxygen in the water is too high to cause metal corrosion. If the alkalinity is low, sodium hydroxide or trisodium phosphate can be added to the pot water. If the dissolved oxygen in the water is too high, it needs to be treated by a deaerator.
4. Leakage in the water treatment system of the gas steam generator:
First check whether the gas steam generator is corroded. If the steam generator is corroded, the scale must be removed first, the leaking part must be repaired, and then the circulating water should be treated, and chemicals should be added to prevent corrosion and scale prevention of the steam generator and other equipment and materials. ,Protect.
5. Water leakage in the flue of the fully premixed condensing gas steam generator:
First check whether it is caused by steam generator burst or tube plate cracks. If you want to change the tube, dig and repair, check the material used in the flue. Aluminum and stainless steel materials can be argon-welded with aluminum wire or carbon steel, and iron materials can be directly acid electrode .
6. Water leakage from the valve of the fully premixed condensing gas steam generator:
Water leakage from valves should replace the hose joints or replace with new valves.