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What is the operating procedure for the commissioning of the hot water boiler

What is the operating procedure for the commissioning of the hot water boiler

(Summary description)Hot water boiler auxiliary equipment for single-machine operation: including grate, coal feeding system, slag removal system, blower, circulating water pump, make-up water pump, softened water system, etc.

What is the operating procedure for the commissioning of the hot water boiler

(Summary description)Hot water boiler auxiliary equipment for single-machine operation: including grate, coal feeding system, slag removal system, blower, circulating water pump, make-up water pump, softened water system, etc.

Information

The following tasks should be completed before the hot water boiler is commissioned:

(1) Hot water boiler auxiliary equipment for single-machine operation: including grate, coal feeding system, slag removal system, blower, circulating water pump, make-up water pump, softened water system, etc. When the single machine is running, check whether the rotation direction of the motor is correct; whether there is friction, collision and noise when the equipment rotates; whether the grate is deviated, whether the hydraulic transmission equipment has oil leakage; whether the equipment has excessive vibration; whether the motor or equipment bearings Temperature rise; whether the coal is discharged evenly and smoothly in the coal hopper; whether the motor current is within the rated current; whether the grounding resistance is normal, etc.

Hot water boiler

(2) Check the pipeline system: whether the valves on the system are flexible and tight; the valves should be in working condition; whether the water supply and return pipeline systems are missing or wrongly connected; whether the softened water quality is normal, etc. When the hot water boiler is running on a single machine, the water pump and induced draft fan should only run on a single machine.

After the above preparations are completed without any abnormality, the boiler-Shanghai trial operation can be carried out. The test operation procedure of the Hot water boiler is as follows:

(1) First, inject softened water into the system from the return water pipe. If the system operates together with the indoor heating system, during the water injection process, open the air valve to remove air. After the system is filled with water, check whether the water level of the expansion tank has reached the normal water level, whether there is water leakage in the system, and whether the opening position of the valve is correct. When it is confirmed that everything is normal, the circulating water pump is turned on to circulate the system, and the system is cycled under pressure and then a pipeline inspection and system exhaust are performed.

(2) After ignition, the initial coal seam can be adjusted to be thinner. After the coal seam has been ignited, turn on the induced draft fan first, and then start the blower, so that the coal seam enters normal combustion, gradually start the grate, and adjust the amount of induced air to maintain a negative pressure of about 20~30Pa in the chamber. The initial temperature rise should not be too fast. In order to ensure that the heating surface of each part of the Hot water boiler is heated evenly, the temperature should be gradually increased. The load of the indoor heating system is small, and when the pipeline is short, the water temperature of the system can be increased by about a little.

(3) After the operation starts, the operation of each equipment should be strictly checked; whether there is leakage in the pipeline; the working condition of the indoor heating system; whether the water volume and water pressure of the circulating pump meet the design requirements; whether the water supply system is normal; Whether the action of the control device or the electric contact pressure gauge and other instruments is accurate and sensitive, and there is no abnormality in the operation, it should be continuously operated until the relevant department accepts it.

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