most efficient electric boiler for hot water

most efficient electric boiler for hot water

The United States is our national enterprise, one of the world's top 500, with very bright glory on the world stage. US air-conditioning as a subsidiary branch, with a very large market competitiveness. 2016, Hubei US air-conditioning due to market demand to expand production lines, need to purchase steam boiler to provide energy support for the new production line. After the boiler industry for a number of enterprises contrast, is determined to cooperate with the fast boiler, buy a whole 10 tons of steam condensing gas steam boiler (WNS10-1.25-Y.Q).

What are the advantages of hot water boiler applicationHot-water boiler is a kind of boiler, including oil-fired hot-water boiler, gas-fired hot-water boiler, coal-fired hot-water boiler and electric hot-water boiler. The oil-fired hot water boiler has the outstanding features such as beautiful appearance, less heat loss, safe use, long service life, low operation cost and high thermal efficiency, and the coal-fired hot water boiler has the advantages of long durability, long service life, low operation cost and high thermal efficiency. The electric hot water boiler has the main advantages of convenient maintenance, clean water quality and remarkable energy saving effect. It can be seen that different kinds of hot water boilers have different advantages. We should choose the most suitable types of hot water boilers according to our actual needs. Feature 1, control system: the boiler adopts microcomputer control system, automatic ignition, and advanced infinitely variable speed technology to automatically control the air volume, heating up rapidly. It has the functions of temperature setting, cycle control, time setting, automatic furnace sealing, fault alarm and so on. 2, high efficiency and energy saving: the boiler is a three-cycle small and medium-sized boiler, two combustion processes, one is the combustion of coal gasification fuel itself, the other is the gasification combustion process after fuel produces combustible gas mixture in a closed high temperature state. The reasonable design structure of the boiler makes the fuel gasification process stable, full, safe, and uses reverse gasification combustion, combustion safety, and matching. Equipped with special economizer, the boiler's thermal efficiency is more than 90%, and the exhaust temperature is less than 100 degrees. 3, energy-saving and environmental protection: fuel smoke-free safe combustion, emissions have met the national class I regional emission requirements. 4, safety: boiler operating under normal pressure, no annual inspection, no professional furnace worker operation. 5, heat preservation performance is excellent: the boiler adopts integral heat preservation to reduce heat loss. 6, large volume fuel bunker: add coal gasification fuel to burn for several hours, greatly reduce the labor intensity of the furnace worker. 7. Hot water cleaning: all the boiler interior is galvanized to provide clean domestic heat water。 8, easy-to-install: small boiler size, no tall chimney, easy to install. Clean: coal gasification fuel after safe combustion of a small amount of white powder or small bulk material is easy to deal with. Hot water boilers are mainly used for heating and bathing. The hot water boiler circulates the hot water of the heat preservation tank through the hot water circulation pump and heats the hot water of the water tank again and again so as to achieve the purpose of bathing. The hot water boiler circulates the hot water of the heating pipe through the hot water circulation pump, and meets the requirement of people's heating through the radiator (radiator); the hot water boiler and the hot water circulation pump cooperate with the heat exchanger can realize the double of bath and heating Heavy function.

what are the main weekly maintenance items for fuel-fired boilers

In order to ensure the safety of the fuel-fired boiler, its weekly inspection is indispensable, and there are nine items to be inspected each week. 1. The ultra-low water level shut-down test should be carried out. According to the button on the control board, the function of the ultra-low water-level shutdown should be checked by simulating the lack of water or discharging the water. 2, the safety valve manual opening test, reset should be rapid. 3, the burner control system and the electric eye should be checked, the photoelectric tube of the electric eye should be taken out, the furnace should be stopped inside, and the electric eye should be cleaned. 4, valve root filling or replacement to eliminate run-and-run leakage. 5, bolt fastening, especially gas pipeline system, if necessary, leak detection. Clean the oil filter of the oil-fired boiler every month, the decontamination device on the oil path, the filter on the gas line. 7, maintain every six months. Check pressure gauges and cleaning gauges. 8, maintain the water level electrode, take it out and grind it with fine sand paper. 9, clean the flue, generally according to the exhaust temperature to determine whether to clean up, the general situation Under the condition that the exhaust temperature does not exceed that measured at the outlet of the boiler and the population of the flue, the scale is increased and the efficiency of the boiler is reduced, so it must be cleaned up. Oil-fired boilers, in particular, need to be cleaned up regularly. On the one hand, it is for the sake of economic consideration, on the other hand, it is also due to safety considerations (bad heat conduction of smoke, easy to cause local burnout). When cleaning and replacing asbestos liner, we should adopt the method of staggered mouth lap (preventing smoke from running out), apply graphite, not add lubricating oil. 4) after boiler repair or annual inspection, check manhole, head hole, hand hole nut should not loose, To check the motor steering (from the fan end, turn counterclockwise) . The oil-fired boiler needs to check the safety valve once a year. Carry out a comprehensive overhaul and maintenance of the boiler.(121) Economic Analysis of Oil-fired Boiler heating

How to observe whether steam boiler is short of water and how to deal with itSteam boiler is a kind of energy conversion equipment. The energy input to the boiler is chemical energy in fuel, electric energy, heat energy of high temperature flue gas and so on. After boiler conversion, steam, high temperature water or organic heat carrier with certain heat energy is outputted out. Water level below the minimum safe water level, or invisible water level, water table glass tube (plate) appears white. The two-color water level meter shows all the gas-phase indication colors. Low water level alarm signals occur in high and low water level alarms. Low water level interlock device, water level below the specified value should stop the operation of fan, induced fan, grate reducer motor. There is also a sharp rise in superheater steam temperature above the normal outlet Steam temperature. The exhaust temperature of the boiler rises. The feed water flow rate is smaller than the steam flow rate, if the furnace tube or coal economizer tube rupture cause water shortage, the opposite phenomenon will occur. When the water shortage is serious, you can smell the scorching smell. When water shortage is serious, red water wall tube can be seen from the furnace door. When the water shortage is severe, the furnace tube may break, and a burst can be heard, steam and smoke will be ejected from the furnace door and the fire door. By calling water; for severe water shortage, it is necessary to stop the furnace urgently, and blindly feed water to the boiler. Reduce fuel, blast, draw wind, and supply water slowly when water is classified as a slight water shortage.

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