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Manhole is a safety emergency ventilation device installed on the top of the storage tank. It is usually used together with a fire extinguisher and a mechanical breathing valve. It can not only avoid accidents caused by sudden overpressure or vacuum in the tank, but also play a role of safe fire resistance. It is a safety device to protect the storage tank, especially suitable for the vault atmospheric pressure tank with nitrogen sealed top for storing materials. With constant pressure discharge
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1 Reasonable design: horizontal internal combustion three pass full wet back structure, fire in water design, corrugated furnace liner, with good expansion, sufficient heating area and reasonable structural layout. 2 Energy saving: corrugated furnace liner, threaded smoke pipe, large space combustion chamber plus reasonable structural layout to achieve low energy consumption and high efficiency heat exchange effect, and the boiler thermal efficiency can reach more than 96%, if equipped
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Low nitrogen oil fired and gas-fired boilers include oil fired hot water boilers, oil fired heating boilers, oil fired bath boilers, oil fired steam boilers, etc. Oil fired boilers refer to boilers using light oil (such as diesel oil, kerosene), heavy oil, residual oil or crude oil as fuel. Compared with gas-fired boiler and electric heating boiler, oil fired boiler operates more economically and is easier to use than gas-fired boiler. With the economic
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1. The boiler adopts a wet back three return structure, and the smoke pipes are symmetrically arranged and evenly distributed, which can improve the stress distribution of the tube sheet. The wet back structure combustion chamber is completely immersed in water, with good cooling conditions, and the rear tube plate is not washed by high temperature flue gas, so the service life is long. 2. The application of corrugated furnace liner not only increases the heating surface, but also alleviates the possible damage of thermal expansion and contraction to the combustion chamber, and improves the strength. 3. Front and rear
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Safe and reliable: the body is connected with the atmosphere, which can ensure the normal pressure operation of the boiler. The safety factor is high, and there is no need to worry about the pressure danger and energy saving: the thermal efficiency of the boiler is more than 96%, which can save considerable use costs for users. Manufacturing specification: this series of boilers are manufactured in accordance with national standards and international standards (ISO) throughout the production process, and the atmospheric pressure boiler is regarded as a pressure bearing boiler
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Reasonable design: horizontal internal combustion three pass full wet back structure, 99.9% fire in water design, 99.9% corrugated furnace liner, with good expansion, sufficient heating area and reasonable structural layout. Energy saving: corrugated furnace liner, threaded smoke tube, large space combustion chamber plus reasonable structural layout to achieve low energy consumption, high efficiency heat exchange effect, and boiler thermal efficiency can reach