high efficiency coal fired hot water boiler

high efficiency coal fired hot water boiler

Internal gas-fired, gas-fired fuel management is equally important for wear to how to do? Detailed examination is the key, fuel management is equally important. We can according to operating conditions, gas-fired, time, planning and reasonable arrangements for wear of the check, when using fuels strict control of particle size into the furnace of coal and limestone particle size of bed material similar to strict customs, boiler waste to be treated before discharge. Want to reduce the impact on the water wall tube may be appropriate to adjust air pressure, air volume, can effectively reduce the wear and tear of the water wall. Maintenance shutdown time is generally in a standby or shutdown, check items include wear the furnace wall, the furnace seals are tight, leak or absence of smoke and the like. In the case of wear was found to be timely repair and welding, to ensure the normal operation of the steam boiler. Generally gas prior to combustion boiler needs to be filled in the combustion chamber fossil fuel, fossil fuel and bed material, the full integration of recycled materials in an air convection wind speed, wind strength and rigidity of the bottom of the apparatus, the inner core region of upwardly movement, the outer annular area of ​​the reflow furnace wall along a downward extension of the coal particles in the furnace residence time, mineral particles, fly ash and flue gas contains a large number of large amounts of fly ash particles causes the waterwall tubes kept fast erosion wear, wear thin wall thickness, resulting in wear and tear.

Main contents of boiler energy efficiency test:

1. Boiler thermal efficiency test: a) determination of boiler evaporation; b) boiler excess air coefficient detection; c) exhaust smoke temperature detection; d) fuel combustion efficiency test; e) boiler thermal efficiency test; f) fuel consumption; g) Steam to coal ratio.

2. Boiler new product stereotyped energy efficiency test: Determine whether the boiler thermal performance indicators are consistent with the design and determine the operation mode of the equipment. Such as boiler evaporation, boiler thermal efficiency, combustion efficiency, various heat losses and so on.

3. Boiler operation adjustment test: Determine the most economical operation mode of the boiler and identify defects in the boiler operation. Such as boiler maximum load, boiler minimum load, fuel requirements, economic load, reasonable exhaust gas temperature, optimum wind coal ratio, excess air ratio, secondary air ratio and so on.

4. Comparative test of thermal performance before and after boiler reform: changes in evaporation, effects of combustion, thermal efficiency of boilers, etc.

5, fuel industry analysis, elemental analysis: to judge the quality of oil, gas and other fuels, easy for enterprises to control the quality of fuel into the plant.

6, water quality testing, scale analysis: determine the quality of water, control the boiler water indicators to prevent boiler fouling.

Corrosion high efficiency coal fired hot water boiler hot water boiler is the main production of hot water, installed in the hotel, baths, hotels and other places, and therefore can not be avoided microbial corrosion in the air, but there are some factors that lead to corrosion of equipment, gave the following corrosion we introduce equipment: 1, constant pressure expansion tank and the boiler is inconsistent: expansion tank provided on the third story height is less than 15 meters, but the constant pressure of the boiler 2,5kg / cm2, the result is held fireman 2 , 5kg / cm2 working pressure indicators, regular replenishment, the water overflows into the ditch for no apparent reason, that water fees and expensive coal. 2, no maintenance shutdown boiler outage after the heating period, some filled with soft water boilers, boiler and some exposure to the atmosphere, the lack of necessary maintenance. 3, a relatively fast flow rate ① of the entire process also needs to be done using the corresponding control of the respective flow velocity, because during use too fast or too slow in the boiler water flow rate will be such that there are different crossing rust. ② When the water inside the boiler would cause excessive diffusion rate of various substances contained inside the boiler becomes faster, this situation will be such that the angle of the underlying boiler corroded velocity have a certain upgrade. ③ When the flow rate is too slow water inside, so that it will overflow the phenomenon of gas generation, these gases normally overflow adheres to the inner metal wall of the hot water boiler, the boiler portion of the metal over time will corrosion phenomenon. 4, does not control the amount of leakage of water supply hot water system is generally not more than one per cent of the water capacity of the system, but some have mistaken equipment, the use of hot water on the convenience, the hot water system used for bathing, washing clothes etc., a 2.8MW and pay hundreds of tons per day. 5, the hot wire mounting network failure, the user can not send the circulating water system ends. Some users in order not to be cold, to increase the number of air emissions, drainage to hot, not to cool row, the result of increasing the amount of leakage. The main reason for hot water boiler corrosion occurs on the user, their lack of cleaning and maintenance of the equipment, can also lead to serious device can not open, so we want to do in the course of its maintenance, regular waxing or lubricating coating oil.

As a global boiler enterprise, Fangkuai Boiler attaches great importance to the opportunity of communication with customers. Therefore, we have set up a sales team of more than 100 people to visit customer units regularly to check the boiler operation status. Not only can timely search the customer's use feedback and boiler improvement opinions, provide a clearer development direction for equipment research and development, but also assist users in the testing and commissioning of boilers and maintenance work, full life cycle services, and solve customer cooperation projects. The problem is that nobody cares ".

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