boiler mounting and accessories pics in pdf

The reason industrial boiler mounting and accessories pics in pdf scale formation of what are: industrial boiler scale formation causes of which are first of all, water treatment measures are not in place. Situation local industrial boiler water treatment methods are set out below: Some of the salt tank with the use of small water treatment apparatus (hereinafter referred to as the outer pot water), some of trisodium phosphate and sodium hydroxide was added to the pot (hereinafter referred to as pot- ), while some units are not taking any water treatment measures, direct operation of the boiler. The outer pot using water, some units in the design of a water treatment system, the local water quality testing is not performed, the washing apparatus and the backwash time are not set according to local water conditions, the hardness of the water supply when a large, positive and negative wash time is inadequate. Are washed lack of time, can cause water supply quality standards, and the lack of time will result in the backwash exchange properties of the resin gradually decreased until failure. In the selection of water treatment equipment, water treatment equipment selection of some units capacity is too small, does not match the rated boiler evaporation, can not meet the water supply needs. Also in the installation and operation of water treatment equipment, water pressure does not reach, it will also affect the normal operation of water treatment equipment.

WNS type condensing boiler mounting and accessories pics in pdf integrated heat pipe should be easy to lead WNS type condensing boiler should one seek to be close to the area of ​​the heat load is relatively concentrated. Should facilitate the extraction heat pipes, it is conducive to the recovery of condensation water, and placed on outdoor pipes reasonable skill, economy. Local traffic should be located conveniently for easy storage of fuel deliveries, and should make the flow of people and vehicles transporting fuel separator. WNS one type condensing boiler room should be consistent with national health standards, the relevant provisions of environmental standards. We should be able to meet the requirements of water supply, drainage, electricity supply. WNS one type condensing boiler room should have a better orientation in favor of natural ventilation and lighting. Geological conditions should be better situated area. It should help reduce the impact of harmful components of smoke and noise of the surrounding environment. WNS year-round operation of the integrated-type condensing boiler room should be located less dominant side overall frequency of wind direction and priorities of residential area of ​​environmental protection, WNS type boiler room-one condensing boiler should be located inferior side of the prevailing wind season, and should be fit environmental impact assessment requirements set forth proposed. We should consider the possibility of future development. Regional WNS one type condensing boiler room should be consistent with the overall urban planning, district heating requirements planning. WNS integral type condensing boiler is suitably separate buildings.

It is understood that around prevention and control of air pollution, ecological Environmental Protection Office of Shaanxi Province has formulated the "Boiler Air Pollutants Emission Standards" ( "Standards"), amended the "off key industries in the region of atmospheric pollutant emission limits." In the future, biomass, alcohol fuel boiler mounting and accessories pics in pdf emissions also be included in "Standards".

"Standard" is to integrate and improve the local air emissions standards boilers. "Standard" for the scope of the province, covering coal, gas, oil, various types of fuel such as biomass; using alcohol fuel (e.g., methanol, ethanol, dimethyl ether, etc.), gas-fired boiler with reference to the implementation of emission limits.

After calculation, coal-fired thermal power boilers in Shaanxi Province implementation of the new standards, particulate matter, sulfur dioxide, nitrogen oxide emissions respectively about 0.67 tons 15,200 tons, 1.26 tons, down 27%, 40%, 21%; Burning after transformation of coal boiler, particulate matter, sulfur dioxide, nitrogen oxide emissions can be about 01,400 tons, 1.42 tons 14,100 tons.

With the haze pollution reduction work to promote strong, Shaanxi Province coal-fired generating units and 20 steam tons / hour or more coal-fired boiler to carry out the transformation of ultra-low emissions, will gradually iron and steel, cement and other industries to carry over non-electric low-emission transformation, the original standard has been overtaken by change of environmental situation. Additionally, the Guanzhong area of ​​glass, ceramics, bricks, gold and other industry, there are a certain number of kiln, its environmental requirements leniency.

The revision of the "off key industries in the region air pollutant emission standards", the abolition of the thermal power industry, coal-fired boiler emission limit requirements, these two sectors rose to individual standards province-wide.

It also increases the coke nitrogen oxide emission limits Chemical Industries, gold industry, glass and glass products, ceramic industry emission limits, increasing the concentration of tile industries and atmospheric pollutants conversion approach.

The new standards are expected coke chemical industry NOx emissions will decrease 70%, the sintering process the steel industry, the particulate matter, SO2, NOx emissions decreased by 50%, 72% and 67%, respectively.

Solution: In this case should be maintained to run at reduced load short time, until the boiler mounting and accessories pics in pdf slow to a stop, and finally the withdrawal of the remaining water in the furnace, the furnace temperature and reducing the pressure, which is determined blast furnace and isolated from other steam main pipe.

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