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Harbin City, Heilongjiang Province will continue to promote Blue Sky Battle Action Plan to increase emissions control work, it intends to phase out coal-fired hot water pipe boiler for sales 1201 Taiwan, in accordance with national and provincial requirements, with the distribution area are classified Shi policy. Wherein the phase-out Zone has 9 to 42 tons of steam coal-fired heating boilers 10-35; 18 out of 35 tons of steam table (or a 29 MW) "peaking" heating boiler; built-up area outside the urban area out 10 tons of steam coal 1141 boiler units. Founded out of municipal coal-fired boilers special rectification work to promote the group, environment, housing construction, Industry and Information Department, respectively, to take charge of commercial, heating, industrial three "theater" phase-out of coal-fired boilers. District, county (city) government as the responsible body, one by one out of the implementation of the responsibility to determine the transformation of the way, to promote the phase-out. Gas companies, power companies and projects ahead of docking units, to protect gas, electricity supply and project construction. Planning, construction, urban management, public security and traffic control and other departments to provide maximum support and protection for countersigned examination and approval. Not included in the scope of elimination with 65 tons of steam coal-fired boilers, Harbin through online monitoring, supervision and monitoring, enterprise self-monitoring and "double random a public" supervision and inspection and other means to strengthen supervision, and urge enterprises to strictly enforce existing emission standards for excessive emissions will be punished according to law.

11.Steam exiting the high pressure steam turbine is called cold reheat.

It is reheated in the re-heater and sent back to the second steam turbine. By the time the flue gas exits the boiler most of the energy in the coal will be transferred to the water in the boiler. The hot gases are cleaned up before they are sent to a stack. Feed water is generally supplied by condensed steam from the low pressure steam turbine. Large amounts of cooling water are used to condense this steam into liquid water in the condenser.

Measures to improve the thermal efficiency of the fuel gas-fired hot water pipe boiler for sale wns type of chemical oil-fired boiler which is incomplete combustion heat loss and mechanical incomplete combustion heat loss. Because almost no ash after combustion of the gas boiler, solid and liquid fuels without mechanical incomplete combustion, there is no need to consider the mechanical incomplete combustion of the gas boiler heat loss. In all heat losses, heat losses have tremendous proportions, when the high thermal efficiency of boilers, heat losses so the total loss of the main heat losses of fuel gas-fired boiler flue gas heat loss is the exhaust gas temperature and For air excess factor. When the exhaust gas temperature decreases, high thermal efficiency can be obtained, for example, a conventional three-pass steam boiler, furnace used in the past straight and smooth smoke tube, must increase the heating surface is arranged to make the exhaust gas to an acceptable degree, the theoretical discharge around the smoke heat loss. Potshell causing significantly increased diameter, wall thickness increased, greatly increased metal consumption, thus further reducing the exhaust gas temperature should be greatly restricted. From the aspect of heat transfer is not only now consider only the heated area, the use of new technology enables heat transfer performance significantly increased, the difference between the heat transfer overcomes the disadvantages of the past performance of the boiler, so that the exhaust gas temperature decreases, the structure is more compact. Center back boiler combustion boiler is preferably small foreign structure, although the two-pass boiler, the heated area is small, but the use of the turbulator charming, the purpose of enhancing the turbulence of the flue gas, disrupt laminar flow boundary wall, reducing the thermal resistance, increasing the heat transfer coefficient, a smaller heating area to achieve the same high thermal efficiency. Lower exhaust gas temperature limit in theory, the exhaust gas temperature can be reduced to very low or even close to the ambient temperature, for maximum thermal efficiency. However, in practice, due to the reduction of the exhaust gas temperature, low temperature corrosion will cause, therefore, the exhaust gas temperature can drop too low, in order to ensure that the wall temperature is higher than the main boiler heating surface flue gas dew point temperature. Therefore, low-temperature corrosion has become a major obstacle to reduce exhaust gas temperature and improve the thermal efficiency of the boiler. Tail auxiliary heating surface increases, further reducing the exhaust gas temperature, fuel gas wns improve thermal efficiency of the boiler as the oil, gas fuel burn easily wns type gas boiler air preheater generally not disposed. The economizer means is a common energy, which can be recycled flue gas was able to effectively reduce exhaust gas temperature. Separation type condensing gas boiler is out of the main boiler heating surface, the installation of the condensing heat exchanger. In one aspect of the flue gas absorption can significantly reduce the smoke temperature, reducing heat losses, on the one hand the absorption of part of the potential condensing water vapor released, increasing the effective use of heat of the fuel. Ash cleaning, to ensure that the heating surface of the scale wns boiler thermal efficiency of the boiler, the presence of soot fouling and heat transfer resistance increases, reducing the heat transfer effect. The thermal conductivity of the scale and soot is almost of the same order of magnitude, with the increase in scale, soot, the exhaust gas temperature rapidly increases, the thermal efficiency is significantly decreased. So, keep the boiler heating surface inside and outside clean, efficient heat transfer, thermal efficiency and to ensure the safe and economic operation of boilers, boiler fuel gas-fired boiler ash cleaning is required.

WNS fuel gas steam hot water pipe boiler for sale works type fuel enters the burner from the outside air by automatically adjusting, auto-ignition function generates high-temperature flame into the furnace interior burn front side into the convection heating surface on the rear of the burnout chamber, via smoke before entering the second housing upper convection heating surface away from the rear of the boiler to the smoke box chimney into the atmosphere. Ruoyin tiaofeng inappropriate production of soot can settle, respectively front and rear smoke box, burn room, the door may be opened to check all clean. The working fluid heated by saturated steam generated by the main steam valve to the output operation of the system. WNS type of fuel gas steam boiler protection device 1, the water level real-time monitoring of steam boilers equipped with electronic water level detection device, real-time monitoring of boiler water level. 2, steam boiler time setting function according to user needs, from the set consisting of a combination boiler stop time. 3, the steam boiler leakage protection control system to detect leakage electric heating elements will automatically cut off power supply. 4, water protection promptly cut off the steam boiler burner control circuit to prevent the occurrence of dry damage the burner, while the controller issuing an alarm indicating lack of water when the boiler water. 5, steam boiler power boiler protection function immediately stop running. 6, the interlock overpressure protection boiler steam boiler pressure exceeds the user set value, the burner operation is prohibited and the alarm. 7, steam boiler pressure controller, water level alarm, safety valve, low water level alarm and other multiple security. 8, full steam boiler and gas train protection system provides a complete gas valve and accessories from a filter, pressure regulators, solenoid valves, to ensure the safety of the gas. 9, the steam boiler flue gas monitoring means can automatically monitor the exhaust gas temperature of the boiler, more easily grasp the combustion boiler.

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