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Zhengzhou Zhongding Boiler Co., Ltd
Three waste mixed combustion waste heat power generation boiler
NegotiableUpdate on 03/16
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Overview
It consists of two parts: the three waste fluidized combustion system and the waste heat boiler. The three waste fluidized combustion system is a device that mixes the blowing air, gasification slag, gasification dust collector fine ash, etc. generated in the gasification production process with some coal gangue, bituminous coal, and anthracite powder, and fluidized burns them in the furnace to produce high-temperature flue gas for concentrated heat recovery. Its combustion part consists of two devices, including a three waste fluidized bed mixed combustion furnace and a combined dust collector; The waste heat boiler consists of a steam superheater, a waste heat boiler, an economizer, an air preheater, and water-cooled components inside the furnace; The exhaust part of flue gas washing is composed of a water film dust collector and a chimney. It has many characteristics such as reasonable heat recovery, large steam volume, high grade, low steam cost, high operational safety performance, good operational stability, multi-purpose use of one furnace, reduced investment, and easy management. The three waste fluidized bed mixed combustion boiler, which uses coal-fired slag as the ignition source, can use less or no synthetic ignition gas, does not consume H2 and water gas, and has low resistance to improve the efficiency of gas production and blowing. Therefore, the methanol production will increase by more than 20%, fully utilizing the three waste resources of gas production, which not only meets the requirements of urban environmental protection development but also produces high-energy steam, providing strong guarantee for enterprises to create maximum benefits. So it is a key equipment for methanol production enterprises to increase production volume and reduce exhaust emissions, and it is also the preferred product for synthetic ammonia and urea enterprises. The function of a three waste fluidized bed mixed combustion furnace can replace a blown air waste heat boiler and a fluidized bed boiler, which can reduce construction investment by more than half. The production of synthetic ammonia, urea, and methanol only requires one three waste fluidized bed mixed combustion furnace, which can meet the original start-up or overhaul start-up and normal production steam needs of the entire plant, reducing investment by 70% compared to conventional construction
Product Details
Product Introduction
The waste heat boiler of the three waste mixed combustion furnace is an efficient waste heat energy-saving and environmentally friendly product recovered from the waste gas, waste residue, and waste heat mixed combustion furnace of chemical gasification equipment. The waste heat flue gas has the characteristics of high temperature (800~1000 degrees Celsius) and high dust content (15g/Nm3). Our company has developed two types of waste heat boilers for this industry: vertical and tunnel kiln horizontal natural circulation waste heat boilers. This waste heat boiler is a typical energy-saving equipment for chemical circular economy. It is integrated with the three waste mixed combustion furnace and blowing furnace, enabling production enterprises to fully realize "two coal to one coal" and "two furnaces to one furnace", creating huge economic and environmental benefits for enterprises, truly achieving safety, environmental protection, production competition, efficiency improvement, and conservation.
This type of waste heat boiler is mainly composed of heating surfaces such as water cooling screen, superheater, convection tube bundle, economizer, and air preheater, and also receives water cooling components of the three waste mixed combustion furnace as its heating components. Our company has taken multiple effective measures to prevent corrosion on the tail heating surface of the three waste mixed combustion furnace and the waste heat boiler with blown air.
Design features:
1、 By utilizing the combustion characteristics of a fluidized bed and borrowing the material recovery technology of a circulating fluidized bed boiler, a blowing gas waste heat boiler mode is adopted to achieve simultaneous mixed combustion of exhaust gas, waste residue, and waste ash generated during gasification;
2、 Cancel the grid bricks inside the furnace to ensure the ignition of the blowing air. The waste heat boiler adopts a tunnel kiln type to minimize the resistance of the combustion system and improve the efficiency of gas production and blowing;
3、 Reasonable heat recovery, large steam volume, high grade, low steam cost, and can be matched with power generation;
4、 High operational safety performance, good operational stability, versatile use of one furnace, reduced investment, and easy management;
5、 The furnace adopts unique anti erosion, anti penetration, anti expansion and anti cracking technologies to ensure the lowest temperature of the combustion furnace and dust collector shell, reduce heat loss, and extend the service life of the equipment.
This product can be made into various specifications and models based on the amount of blowing air, gasification slag, fine dust from dust collectors, and other three wastes generated by synthetic ammonia and methanol production enterprises.
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