saudi arabia bituminous coal fired hot water boiler

Features boilers are widely used in petroleum, chemical, pharmaceutical, textile, light industry, building materials and so on. A low pressure, high temperature, safe, energy efficient features. Operating with complete control and monitoring of safety devices, the operating temperature can be precisely controlled. Reasonable structure, fully furnished, short installation period, easy operation and maintenance, ease of boiler arrangement. Since electric heating furnace Heat Transfer Fluid advanced explosion-proof structure, it can be used in factory area Ⅱ proof, explosion-proof grade C up to level. In recent years, due to the need for environmental protection and rising oil prices, many local governments and enterprises will be coal-water slurry fuel as a clean alternative to oil to be used. Especially in the small and medium industrial boilers. CWS boiler market development trend, there are two, one is modified in accordance with the way oil furnace coal boiler, namely the design (CWS oil boiler) on the basis of oil furnace system; one is in accordance with the bulk coal transformation of the way CWS boiler furnace, namely design (bulk coal water slurry boiler) scattered coal stove in the system. Before the existing oil-fired boilers plus pre-furnace. Advantages: high degree of automation, small volume, pleasing in appearance; disadvantages: complicated equipment, pre-furnace combustion pressure, high temperature, easy to ash fusion, pre-furnace coke, slag is very difficult, not suitable for continuous operation. The principle is the bulk coal boiler design, little change furnace, auxiliary substantially constant configuration parameters, the first half of the boiler combustion good, but the rear of the flue gas emission unreasonable, because different from the coal for coal-water slurry, coal slurry containing 34% to 38% moisture, so the contained amount of water vapor in the flue gas, so that dust desulfurizer two tails, induced draft fan and stack gray water condensation, clogging and corrosion. Excessive speed plus smoke, fine dust, very large friction, serious damage to the auxiliary equipment, continuous operation can not lead to a discharge portion, the discharge of non-compliance.

Gas and coal-fired steam boiler steam boiler compare what are the advantages of (1) from the traditional economic point of view and our energy structure, coal-fired boilers due to the low one-time investment costs of popular people favored, especially in the rich coal resources , green area less demanding people prefer to select it. But in resource-poor coal, coal prices are not low areas of oil, gas and coal compared to a certain competitiveness. Another reason people like coal stove is easy to operate. But coal-fired boiler pollution: waste, emissions, waste water, "three wastes" and taste, governance Yijiao difficult (especially desulfurization, coal-fired boiler desulfurization technology currently has achieved some results, but the high investment costs, complex operation, covers an area of large), from the social perspective should limit the use of coal-fired boilers. Soot emissions (2) oil-fired boilers, although lower, but its emissions of harmful NOX, SOX gases are causing "photochemical smog" and acid rain culprit, you want to be like governance as coal-fired boiler soot emissions control. (3) gas boiler has a small footprint, less pollution emissions advantages, but also the cost of the boiler room is not set up, the use of natural gas fuel prices, operating costs lower than oil-fired boiler. (4) not only set in three furnaces comparison, gas boiler lower costs and operating costs, and its social benefits are incomparable. Natural gas is the cleanest fuel, is the least polluting fuel emissions, gas-fired boilers will be the development trend of boiler final.

Beiqi Panther car 6 tons of steam condensing one fuel gas steam boiler project has been successfully completed. This series boiler adopt advanced design concepts, using the waste heat of flue gas cascade, with the use of the condenser and the economizer fully absorb the waste heat in the flue gas, the boiler efficiency has been greatly improved.

Fangkuai boiler operation advantages 1, large font display water temperature, easy to grasp the boiler and system operation conditions, water temperature from 10 ℃ to 90 ℃ can be set at will, the boiler automatically to the system heating or to provide the user with hot water for bath. 2, the control system controls the start and stop of the circulating pump according to the furnace water temperature, when the furnace water reaches the set upper water temperature, the hot water circulating pump starts, and the hot water circulating pump stops when the water temperature is lower than the set lower temperature. 3. The horizontal gas-fired bath boiler is a three-way full wet back structure. It adopts the design of large furnace and coarse smoke pipe to increase the radiative heat absorption of the furnace and effectively save energy and reduce consumption. Use of threaded smoke pipes and Waveform furnace tank, greatly enhanced the heat transfer effect, greatly saved fuel consumption. 4, the whole machine is also equipped with overheat protection (when the furnace water temperature is super high, the burner automatically stops working and beeps to alarm, and the secondary overheat protection (when the boiler shell temperature exceeds 105 ℃, the secondary circuit is automatically cut off), When the boiler water is lower than the very low water level, the boiler stops working and gives a buzzing alarm), and the boiler leakage protection (the control system detects the electrical leakage, and when the short circuit is short, it will automatically cut off the power supply). 5, the boiler is designed according to the normal pressure structure, the boiler is in a pressure-free state, there is no danger of safety. Use of advanced centrifugal glass cotton multilayer protection Temperature, famous white color steel plate for outer packaging, less heat loss, beautiful anti-rust.

01. The gas-fired boiler should pay attention to the following points during operation: (1) the gas-fired boiler does not allow positive pressure combustion or smoke injection in the furnace, because it is easy to burn out the coal hole cover. (2) the bottom floor of the gas-fired boiler shall not be watered up to prevent damp corrosion. 2, gas-fired boiler operation every 2 weeks, should be checked. 3, gas-fired boiler operation every 3 months after 6 months, the furnace should be shut down for comprehensive inspection and maintenance. (1) check the gas boiler inside and outside, such as the welds of the compressed part, the corrosion phenomenon inside and outside the steel plate, if found serious defects should be repaired in time, if the defects are not serious, it will be repaired the next time the furnace is shut down. If any suspicions are found but do not affect production safety, records should be made for future reference. (2) after inspection, the boiler primer may be coated on the surface of the water to prevent corrosion. 4, gas-fired boiler and boiler base paint at least once a year. 5, gas-fired boiler maintenance method: dry method and wet method, shut down for more than one month, should adopt dry maintenance method, shut down for less than one month can be used wet maintenance method. (1) dry maintenance method: after the boiler stops the furnace, put away the boiler water, thoroughly remove the internal dirt, rinse it out, dry it in the furnace with a slight fire (pay attention not to fire), and then it will be 10 mm in diameter and 30 mm in diameter. The small lump of quicklime is divided into plates, placed in the pan, without contact with the metal, and the weight of quicklime is calculated at the volume of 8 kg per cubic metre of the drum, and then all manholes, hand-holes, pipe valves are closed, Check every three months, if the quicklime is broken, replace it, and remove quicklime and tray when the boiler is re-in operation. (2) Wet maintenance method: after the boiler stops the furnace, it gives out the furnace water, thoroughly removes the internal dirt, rinses it, reinjects the treated water to the full, heats the furnace water to 100 ℃, lets the gas from the water drain out of the furnace, and then closes all the valves, Protection is not allowed in cold climates Wet curing method, lest the furnace water ice damage the boiler.

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