dual drum automatic chain grate steam boiler for sale

Party hot water boiler fast boiler equipment specializing in the production of clean fuels over twenty years, now has 120,000 square meters of intelligent manufacturing plant, the construction of a national standard R & D labs across the country are uniformly distributed sales and service outlets service points, more than the annual output of 20,000 tons of steam.

Zhengzhou Sunrise Optoelectronics Technology Co., Ltd. by the Dongxu Group, Henan Province, the state-owned asset management companies and Zhengzhou Investment Holdings Limited jointly made, mainly engaged in flat panel display and solar industry design materials, manufacturing and sales operations. Sunrise Optoelectronics project has been put into a production line, the second phase will continue the expansion, three new production lines to meet the production needs of Project Phase II, Sunrise Optoelectronics urgent need to increase new boiler equipment. After investigation and screening of a number of boiler brands, determined to cooperate with the fast boiler, steam signed a 10-ton integrated condensing gas dual drum automatic chain grate steam boiler for sale (WNS10-1.25-Y.Q).

1. The concept of absorption of heat absorption systems using flue gas heat exchanger is used to recover waste heat of flue gas in the gas boiler, the process shown in Figure 1. In additional gas absorption heat pump with the boiler flue gas condensation heat exchanger, an absorption heat pump with natural gas as driving power, the occurrence of cold medium, the medium is cooled in the flue gas in the flue gas condensing heat exchanger, heat transfer process can used direct touch touch-type heat exchanger may direct the exhaust gas temperature in the system drops below the dew point, condensation of water vapor in the flue gas heat to reach the intent of flue gas heat recovery and water. Heat supply network backwater into the primary absorption heat pump is heated, and then into the gas boiler is heated to a temperature of planning to give out, the end of the heating process water heating network. Exhaust gas boiler into the bottom of the chimney, the draft fan is placed on top of flue gas condensation heat is withdrawn and mixed into the flue gas absorption heat pump of flue gas condensation heat exchanger, the system exhaust temperature drops to 30 ℃ vented to the atmosphere into the chimney after less. Out of the chimney flue gas between flue gas and returned to port additional partitions. Our test systems selected direct touch-type touch flue gas condensation heat exchanger. This allows the system to use the skills heating power (system for low level heat than the heat input in the system of gas) progress more than l0%. The skills currently in Beijing General Logistics Department has recovered waste heat boiler room engineering, Beijing bamboo plant to recover waste heat boiler used in the project, to obtain a better energy-saving effect. Such incremental contribution skills (including contribution absorption heat pump, heat exchanger and flue gas condensation supporting pumps, valves and other equipment) generally less able to recover 3a.

2. Mechanism smoke condensate purification of exhaust smoke condensate component of the purification of exhaust components is messy heat and mass transfer process. Condensing the flue gas is flue gas water vapor condenses on the heat exchanger wall or film into fine droplets, and large water drops or fine and then converging streams. In this process, the flue gas condense different components will be dissolved in an aqueous solution, an aqueous solution of the condensation reaction may occur in the flue gas to remove harmful substances such harmful exhaust gas content decreased. NOx in the flue gas purification process condensate: there are nitrogen oxides NO, NO2, N2O, N2O5 etc., a general term NOx. The primary material constituting the atmospheric pollution and photochemical smog is NO, NO2, other ignored. Nitrogen oxides in the boiler flue gas first is NO, and NO2 content less. NO slightly soluble in water, the dissolved amount is negligible. NO2 soluble in water to form aqueous nitric acid and nitrous acid. NO2 is a water-soluble reaction formula: 2NO2 + H2O9HNO3 + HNO2.

1. The type of boiler scale type of boiler scale (1) an alkaline earth metal scale: comprising calcium as a main component of scale, scale such as calcium sulfate, calcium silicate scale, calcium carbonate scale and the like, magnesium as a main component, such as hydrogen hydroxide scale, dirt and other magnesium phosphate. (2) the dissolved iron: comprising iron as a main component of scale, dirt iron oxide, iron silicate and a dissolved iron phosphate scale. (3) Aluminum scale: aluminum as the main component is a scale, such as aluminum silicate scale. (4) Copper scale: copper as a main component is a metal of scale. Calcium sulfate scale hard and dense, low pressure in the boiler arrangement, mainly in the form of gypsum or hemihydrate precipitate is attached; in the boiler body, in the form of an anhydrous compound precipitated attachment. Calcium silicate scale mainly in the larger heat load boiler heating surface is formed, which precipitate as wollastonite, large scale hardness, poor thermal conductivity, can be firmly adhered to the heating surface. Carbonate scale have different characteristics, it may be both hard scale, and may be soft water residue. When the boiler water evaporated weak, often carbonate crystals precipitated into a hard scale. When the furnace violent boiling water, carbonates and often precipitate water residue. Magnesium hydroxide and magnesium phosphate easily adhere to the wall of the boiler, the formation of secondary scale. Most scale component is an alkaline earth metal scale (90%), as well as iron scale, scale aluminum, copper, dirt and other organic and metallic corrosion products and the like. By scale formation procedure can be divided into two types: one is a scale salt impurities formed by direct crystallization of the heating surface; one easily adhered slag heating surface, secondary scale again. Slag is divided into two, in addition to a water-slag easily adhere to the heating surface, the formation of secondary scale is difficult to remove by mechanical means, but there is a slag flow state was difficult to adhere to the heating surface in execution a method in accordance with the sewage discharged.

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