How to operate the boiler safely？

A boiler is a hazardous operation that integrates high-pressure vessels, pressurized pipelines, and special equipment. The safe and economical operation of the boiler, as well as equipment maintenance, play a crucial role in ensuring smooth operation and extending the service life of the boiler.

1. Standardized handover system:

We have developed a management handover system suitable for the safe operation of boilers based on the situation of the boiler and practical work experience, which varies according to local conditions. There is workshop supervision, and employees carefully implement it mainly from the following aspects:

The stoker must arrive at work 15 minutes in advance and wear labor protection equipment (including safety shoes, protective eyes, and protective gloves) correctly. Firstly, rinse the water level gauge correctly: wear protective gloves and do not face the gauge head-on. First, rinse with a mixture of steam and water, then steam, and finally water. Repeat this process until the water level inside the glass tube of the boiler water level gauge is clearly visible, to avoid dirt blocking the gauge and causing false water levels. When taking over the shift, the stoker should push and pull the sliding ash doors on both sides of the boiler to scatter the residual ash in the boiler air chamber, so as to prevent the accumulated ash in the air chamber from forming rocks and burning the sliding connecting rod of the air chamber, ensuring smooth air supply to each air chamber of the boiler and promoting optimal combustion of the boiler.

During the shift handover, the stoker should also open the observation holes at the back or both sides of the boiler, wear protective eyes to check the combustion status of the fuel in the boiler furnace, the length of the furnace fire, and whether there are other abnormal phenomena during combustion. They should correctly grasp the internal fuel situation of the boiler, in order to correctly and reasonably allocate the furnace temperature and production steam supply pressure of the boiler.

After seeing the fire of the boiler, we began to check the operation status of the boiler's laying machine, mainly checking for vibrations in the operation of the induced draft fan, blower, and feedwater pump, whether the oil level of each laying machine is normal, whether the packing of the boiler's feedwater pump is leaking, and whether each component is damaged (usually judged by sound)

Finally, check whether the indications of the control instruments on the operation panel are normal, whether the doors of each distribution cabinet are closed properly, whether the indicator lights are damaged, and whether the indications are correct.

2. Correctly implement the standard operating procedures of the boiler

Before the operation of the boiler, it is necessary to master the operating procedures for boiler laying, adjust the grate governor, first turn on the grate power supply, then turn on the governor control switch, and finally adjust the governor current to control the boiler grate speed.

We all know that the water supply regulation of the boiler is crucial for the safe operation of the boiler. Therefore, the boiler operator should operate the boiler's water supply system correctly. The boiler should maintain a uniform and normal water supply, usually at the middle level of the boiler's water level gauge. Our boiler ensures normal water supply by adjusting electronic actuators or frequency conversion switches.

In normal boiler operation, we should also adjust the air supply of the boiler correctly based on the performance differences of the fuel. At the same time, we should adjust the air chambers on both sides of the boiler according to the length of the boiler's fire bed. To avoid burning out the front coal hopper of the boiler, the first air chamber on both sides of the boiler is usually closed, and the last one is also closed.

In addition, we also need to regularly and timely remove the accumulated ash inside the boiler at the convection tube bundle. After multiple tests, we have installed ash discharge hoppers on both sides of the boiler, and the ash is scheduled to be discharged every 8 hours (one shift).

In order to strengthen the management of the boiler during operation, our stokers conduct hourly inspections, mainly to check the combustion status of the boiler fuel, the arch angles inside the furnace, and the normal operation of the boiler laying equipment. Strictly implement the rotation system of the fireman (every 2 hours of operation and inspection rotation).

Finally, there is the handling of simple boiler faults. As boiler operators, we not only need to maintain the normal operation of the boiler, but also need to be familiar with and master the handling of simple boiler faults. Especially in the event of an emergency power outage, we must not panic or blindly do it. First, check the water level of the boiler, and be aware of it. Turn on the steam reciprocating pump of the boiler to add water to the inside of the boiler until it reaches the normal water level. Also, when the water supply system of the boiler malfunctions, if the boiler experiences water shortage or full capacity, we must use emergency shutdown correctly. Especially when there is a serious water shortage in the boiler, it is not possible to add water immediately. The boiler should be stopped in an emergency and allowed to cool down before adding water to the boiler. Otherwise, there may be a boiler tube explosion or explosion accident. Therefore, boiler operators must take corresponding measures according to different situations. For the treatment of a boiler full water fault, the sewage valve should be opened in a timely manner to drain the boiler. There are also faults with the boiler laying machine, such as the shutdown of the boiler grate, blockage or shutdown of the slag or ash extractor, and malfunction of the boiler control instruments. When such faults occur, we usually have equipment professionals to repair them.

As operators of special equipment for boilers, they must correctly implement the safety operation regulations of the boiler to ensure its safe and economical operation. At the same time, they must also receive regular training and learning. Generally, the municipal boiler security inspection department provides training, and only after passing the exam can they obtain a certificate before taking up the job.

Therefore, the safe and economic operation of boilers is not just a matter of words or a matter of time. It is a persistent work that requires us to correctly apply professional technical knowledge, operate carefully according to the standard safety operating procedures of boilers, and safeguard our safety production!

The above is the answer to this question from Jiangsu Sifang Clean Energy Equipment Manufacturing. If you have any doubts about other boiler related issues, please consult Jiangsu Sifang Clean Energy Equipment Manufacturing online customer service or call 0516-85532690. Jiangsu Sifang Clean Energy Equipment Manufacturing professional technical personnel will promptly answer your questions.

The above is the answer to this question from Jiangsu Sifang Clean Energy Equipment Manufacturing. If you have any doubts about other boiler related issues, please consult Jiangsu Sifang Clean Energy Equipment Manufacturing online customer service or call 0516-85532690. Jiangsu Sifang Clean Energy Equipment Manufacturing professional technical personnel will promptly answer your questions.