DZL Series Horizontal Coal Fired Hot Water Boiler

The advantages of ZG tube dzl series horizontal coal fired hot water boiler:

1.High efficiency: the corner tube hot water boiler grate structure design is reasonable, precision casting, scaly type fire grate assembly clearance is small, little grate coal leakage, replacement without stopping furnace. The wind chamber adopts isobaric wind chamber with small throttle structure, good sealing, air distribution uniformity, and can control the combustion section for air volume, in order to obtain the optimal combustion state; in the front arch region by enhancing the combustion technology, mechanical loss of incomplete combustion rate was only 7%, the authority testing the thermal efficiency up to 82% above, can bring huge economic benefits to the user.

2.Environmental protection: the excess air coefficient type hot water boiler tail heating surface tube after only 1.4~1.6 angle, not only reduces the heat loss of exhaust gas, reduce the fan power consumption, but also greatly reduces the environmental pollution of boiler room.

3.Security: corner tube hot water boiler wall mounted light insulation material, covered with a compound silicate board, then the metal plate reinforcement, no brick structure, excellent insulation effect, at the same time the boiler operation and control of high degree of automation, convenient operation and safety.

After a long process of evaluating all types of boiler systems available - including heat pump, gas, oil, coal, wood, biomass etc - a couple of years ago I installed a brand new biomass boiler system in a large country school in Poland. Each system has pros and cons - for instance, convenience versus fuel costs, and so on.sAs it was a big project to run new pipework and fit new radiators throughout the whole house, as well as a new boiler, hot water storage tank and controls, installation costs were a big factor in the decision making. Also, I wanted the lowest long-term running and maintenance costs. It was also important that the biomass heater function during power cuts.

Steam boiler accident type and processing method, and use common sense safety boiler steam boiler accident type and processing method, overpressure accident 1 boiler, boiler overpressure phenomenon of (1) a sharp rise in steam pressure, exceeds the allowable working pressure gauge pointer over " red line "safety valve after the pressure is still elevated. (2) the operation of the device is the interlock overpressure protection, should send overpressure alarm signal, stops the air blowing, the wind, coal. (3) steam temperature and steam flow rate reduction increases. 2, to treat boiler overpressure (1) weakened rapidly burning, manually open the valve or bleed valve. (2) increase the water supply, while the lower reinforcing blowdown drum (It should be noted at this time to maintain the normal water level of the boiler), in order to reduce the temperature of the boiler water, thereby reducing the pressure in the boiler drum. (3) as a safety valve malfunction or all of the pressure gauge damage, emergency shutdown, safety valves and pressure gauges are to be repaired after the boost operation. When endanger the safe operation of (4) Boiler excessive pressure, blood pressure should take measures, but too fast buck is strictly prohibited. (5) boiler overpressure eliminate serious, to the shutdown of the boiler internal and external inspection, to eliminate the overpressure caused by deformation, leakage and other safety accessories and maintenance unqualified. Second, an accident boiler water, boiler water shortage (1) below the minimum safe water level line, or can not see the water level, the water level gauge glass (plate) as a white. (2) as a full-color water level gauge vapor instruction color. Low water level alarm signal (3) water level alarm occurs. (4) low water interlocking means, the water level should be below a prescribed value blower, Fan, grate reduction motor stops running. (5) a sharp rise in the superheater steam temperature, higher than the outlet steam temperature. (6) boiler exhaust gas temperature rises. (7) the water flow is less than the steam flow, causing Should the water tube due to tube cracking or economizer, an opposite phenomenon occurs. (8) When a serious water shortage, can smell the burnt smell. (9) When a serious shortage, the door can be seen from the red-hot waterwall tubes. (10) a serious water shortage, the furnace tube may rupture, then can hear the explosions, smoke and steam from the door, watching spray the fire door. 2, boiler water treatment (1) through the "waters", sentenced to severe water shortages, emergency shutdown must be prohibited blind to the boiler feed water. (2) through the "waters" sentenced to a slight lack of water, it should reduce fuel blast, the wind, and slowly feed water. Third, full water boiler 1 accident phenomenon (1) above the maximum allowable water level line, or can not see the water level, the water level gauge glass (plate) dark color boiler filled with water. (2) all of the water phase as a color level gauge indication color. High-water alarm signal (3) water level alarm occurs. (4) decreased superheated steam temperature. (5) water flow is not normally greater than the steam flow. (6) water in a large number of sub-cylinder, severe trap operation. (7) with a large amount of water steam severe, increased salinity, water hammer occurs in the sound of the steam pipe, the steam connection flange outwardly dripping take place. 2, boiler full of water treatment rinse water table, determined to be minor or serious full of water full of water. Method: Close water table, the water pipe connected cock, then open drain cocks As can be seen from the decreased water level, indicating a slight full of water, the water supply is stopped, the drain valve open, put to the normal water level. Such as severe filled with water due to take emergency shutdown measures.

18-20 May 2017, ISH heating HVAC industry event successfully held in Beijing International Exhibition Center. Fast boiler latest on-line premix vacuum dzl series horizontal coal fired hot water boiler landmark "Thalia T6" and coupled steam boiler, "Euromonitor θ5" series of products also opened a mysterious veil, show it to all visitors.

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