Vertical Side Blown Oil Fired Hot Water Boiler

Vertical Side Blown Oil Fired Hot Water Boiler

Improve the thermal efficiency of the process wns gas boiler, oil-fired boiler which chemical 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.

Recently, the district government Qingyang City, Gansu Province, deputy head of Xifeng Wang Chao organized a remediation coal-fired boilers will promote the work. By the township (street), the head of district straight relevant departments attended the meeting.

Written meeting issued atmospheric district office "notice Leading Group Office of Air Pollution Prevention " About forwarding; Qingyang City, Xifeng Branch is responsible for the ecological environment who informed the progress of the remediation coal-fired boilers, arrangements for the next step remediation work.

Wang Chao requires that all relevant units must concentrate efforts to promote coal-fired boiler renovation, remediation to the control list, in strict accordance with the "three three must" requirements, to promote catch, this area, this system is not in place of coal industry regulation boiler immediately carry out concentration and control, to ensure that the work complete, fully put in place. To collaborate actively cooperate with the township (street) mainly clear time limit for rectification and reform measures, solid progress. To strictly control inventory and remediation remediation standards of accountability and strengthen supervision of the ideological hesitation wait and see, action is delayed, focus on promoting renovation is not complete unit, accountability seriously investigated.

Modulation (the capacity to vary the boiler output) is a key concern for biomass steam boilers. Generally biomass boilers will only modulate to 40% of their capacity. A typical oil burner will modulate to 20%, and with the installation of multiple burners, oil boilers can modulate to very low output. Biomass boilers respond much less rapidly to variations in load. From start-up they can take several hours to get up to the required temperature and pressure. Steam is much more difficult to store than hot water. The boiler will have some in-built thermal storage and the use of steam accumulators provides some flexibility, but the key barrier at many sites is that a biomass steam boiler should be designed for a consistently required base-load.

Horizontal condensing pressure vertical side blown fired hot water boiler Precautions: 1. boiler control system to be used according to the instructions for correct operation. 2. boiler outfall road, drainage pipe must be connected to a sewage ditch. 3. The furnace room layout is reasonable, boiler room should always be kept dry and clean to prevent moisture control system. 4. types of fuel: natural gas, city gas, liquefied petroleum gas, light oil, heavy oil. The temperature should be in accordance with local diesel, heavy oil should be previously heated to 40 ~ 60oC. 6. Power Requirements: rated voltage AC.380V, 50Hz. Voltage fluctuations within the rated voltage range of ± 5%. Boiler installation should the installation protective earth wire. 7. Non placed around the boiler oil, gas and other flammable materials. Tank, the gas tank and the boiler room external wall footing line pitch should be more than 15 meters. When there is a specific reason to shorten the distance fire, it should be the local fire department and the relevant authorities; if using underground arrangement, the cover layer should be more than 0.5m, around the need to increase the firewall; underground, pumping anchor bolts must be tightened or other measures adopted to prevent the displacement of fritters. 8. Horizontal condensing pressure hot water boiler pipe PRECAUTIONS:

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WNS Series Oil(Gas) Fired Steam And Hot Water Boiler 1) The whole boiler facility has been check and accepted before it being delivered for easy installation, debugging an Vertical Oil(Gas) Fired Steam Boiler The upper blown boilers avoid the defections of damage from scaling and part overheating of traditional side blown burners, which

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