NOBETH AH 36KW Double Tubes Fully Automatic Electric Steam Generator is used for Food Processing Industry

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Correct installation and debugging process and methods of gas steam generator

As a small heating equipment, steam generator can be widely used in many aspects of our lives. Compared with steam boilers, steam generators are smaller and do not occupy a large area. There is no need to prepare a separate boiler room, but its installation and debugging process is not very easy. In order to ensure that the steam generator can cooperate with production safely and efficiently and complete various tasks, correct safety debugging processes and methods are essential.

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1. Preparations before installation and commissioning

1. Space arrangement
Although the steam generator does not need to prepare a separate boiler room like the boiler, the user also needs to determine the placement space, reserve a suitable size of space (reserve a place for the steam generator to produce sewage), and ensure the water source and power supply. , steam pipes and gas pipes are in place.

Water pipe: The water pipe of equipment without water treatment should be connected to the water inlet of the equipment, and the water pipe of water treatment equipment should be led to within 2 meters of the surrounding equipment.

Power cord: The power cord should be laid within 1 meter around the terminal of the device, and sufficient length should be reserved to facilitate wiring.

Steam pipe: If it is necessary to debug on-site trial production, the steam pipe must be connected.

Gas pipe: The gas pipe must be connected well, the gas pipe network must be supplied with gas, and the gas pressure must be adapted to the steam generator.

Generally, in order to reduce thermal damage to pipelines, the steam generator should be installed close to the production line.

     2. Check the steam generator
Only a qualified product can ensure smooth production. Whether it is an electric heating steam generator, a fuel gas steam generator or a biomass steam generator, it is a combination of main body + auxiliary machine. The auxiliary machine probably includes a water softener, a sub-cylinder, and a water tank. , burners, induced draft fans, energy savers, etc.

The greater the evaporation capacity, the more accessories the steam generator has. The user needs to check the list one by one to see if it is consistent and normal.

     3. Operational training
Before and after installing the steam generator, the user’s operators need to understand and be familiar with the working principle and precautions of the steam generator. They can read the usage guidelines by themselves before installation. During installation, the manufacturer’s technical staff will provide on-site guidance.

2. Gas steam generator debugging process

Before debugging the coal-fired steam generator, the relevant accessories and pipelines should be inspected and then water supply should be provided. Before water enters, the drain valve must be closed and all air valves opened to facilitate exhaust. When the burner is turned on, the burner enters program control and automatically completes purging, combustion, flameout protection, etc. For the incinerator load adjustment and steam pressure adjustment, see the Steam Generator Electrical Control Principle Manual.

When there is a cast iron economizer, the circulation loop with the water tank should be opened: When there is a steel pipe economizer, the circulation loop should be opened to protect the economizer when starting. When there is a superheater, the vent valve and trap valve of the outlet header are opened to facilitate the cooling of the superheater steam. Only when the main steam valve is opened to supply air to the pipe network, the vent valve and trap valve of the superheater outlet header can be closed.

When debugging the gas steam generator, the temperature should be raised slowly to prevent excessive thermal stress in different parts due to different heating methods, which will affect the service life of the steam generator. The time from cold furnace to working pressure is 4-5 hours. And in the future, except for special circumstances, the cooling furnace will take no less than 2 hours and the hot furnace will take no less than 1 hour.

When the pressure rises to 0.2-0.3mpa, check the manhole cover and hand hole cover for leaks. If there is leakage, tighten the manhole cover and hand hole cover bolts, and check whether the drain valve is tightened. When the pressure and temperature in the furnace gradually increase, pay attention to whether there are special sounds from various parts of the steam generator. If necessary, stop the furnace immediately for inspection and continue operation after the fault is eliminated.

Adjustment of combustion conditions: Under normal circumstances, the air-to-oil ratio or air ratio of the incinerator has been adjusted when the incinerator leaves the factory, so there is no need to adjust it when the steam generator is running. However, if you find that the incinerator is not in good combustion status, you should contact the manufacturer in time and have a dedicated debugging master conduct debugging.

3. Preparations before starting the gas steam generator

Check whether the air pressure is normal, not too high or too low, and turn on the supply of oil and natural gas to save; check whether the water pump is filled with water, otherwise, open the exhaust valve until it is filled with water. Open every door on the water system. Check the water level gauge. The water level should be in the normal position. The water level gauge and water level colored plug should be in the open position to avoid false water levels. If there is a shortage of water, you can supply water manually; check the valve on the pressure pipe, open the windshield on the flue; check that the knob control cabinet is in the normal position.

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