This system mainly uses a fuzzy neural network water quality controller that adapts to the fluctuation of water quality, and provides intelligent adjustment services for operating parameters that adapt to the fluctuation of water quality in the operation of each subsystem. The innovations of the designed system are as follows: (1)
WhatsApp: +86 18221755073
Numerous mitigation techniques have been incorporated to capture or remove SO2 with flue gas desulfurization (FGD) being the most common method.
WhatsApp: +86 18221755073
This system mainly uses a fuzzy neural network water quality controller that adapts to the fluctuation of water quality, and provides intelligent adjustment services for operating …
WhatsApp: +86 18221755073
Optimization the operation parameters of SDA desulfurization tower by fl ow coupling chemical reaction model Dan Mei 1, 2, Junjie Shi 1, Y uzheng Zhu 1, Xuemei Xu 1, Futang Xing 1, 2*,Ling Shi 2
WhatsApp: +86 18221755073
Flue gas desulfurized gypsum mainly comes from thermal power plants, smelters, and large-enterprise boilers, and contains industrial by-products produced through a wet desulfurization combustion process, where SO 2 gas and lime slurry react under strong oxidation conditions. The main component of this gypsum is calcium sulfate dihydrate, which also …
WhatsApp: +86 18221755073
The SDA method is often regarded as the trend of future development and offers benefits such as low initial investment, low operating cost, no corrosion, no heating of the flue gas after desulfurization, and high desulfurization efficiency; thus, it has become the most widely used desulfurization method, with the exception of WFGD [2], [3], [4].In the desulfurization process …
WhatsApp: +86 18221755073
Generally, the operation parameters of many working conditions such as liquid/gas ratio (L/G) and tube immersion depth have a great influence on desulfurization efficiency. Other operation conditions such as flow patterns, pressure drop, temperature, and the velocity of gas-phase could be strongly influenced by the internal geometry structures ...
WhatsApp: +86 18221755073
4. Process system and main equipment parameters The spray drying process system of desulphurization wastewater mainly includes three parts: wastewater feeding system, flue gas system and spray drying tower system. 4.1. Wastewater feeding system The wastewater feeding system mainly includes new waste water tank, wastewater lifting pump, and
WhatsApp: +86 18221755073
operational parameters, which could be presented as an SO 2 emission forecast model, is the foundation for operation optimization. Figure 1 shows the selected parameters that have direct and significant influence on the desulfurization efficiency. The codes and units corresponding to the parameters are listed in Table 1.
WhatsApp: +86 18221755073
A collaborative energy-saving operation optimization method and system for a dedusting and desulfurization system, and a device and a storage medium. The method comprises the following steps: calculating the total power consumption N of a dedusting and desulfurization system according to operation power consumption of an electric dust remover, a desulfurization …
WhatsApp: +86 18221755073
The theory of mass transfer and absorption in flue gas desulfurization is summarized, and the optimal desulfurization process parameters for the operation of desulfurization technology are obtained. A high added value production of desulfurization technology can be realized by studying the recycling of desulfurization products.
WhatsApp: +86 18221755073
The theory of mass transfer and absorption in flue gas desulfurization is summarized, and the optimal desulfurization process parameters for the operation of desulfurization technology are obtained. A high added value production of desulfurization technology can be realized by studying the recycling of desulfurization products.
WhatsApp: +86 18221755073
The acidic substances contained in the catalyst mainly include elements such as S, Cl and P and their derivatives. During the operation of the SCR denitration device, if the denitration reactor is placed before the desulfurization device, the flue gas is not desulfurized, which will lead to a large amount of SO 2 in the flue gas.
WhatsApp: +86 18221755073
Turbine energy recovery is a process energy saving technology, and understanding turbine efficiency has important operational and economic benefits for the operator of a power plant. There are three main areas of research into turbine energy efficiency: the structural performance of the turbine itself, the configuration of the recovery device and the …
WhatsApp: +86 18221755073
（1）Adjusting the liquid level of desulfurization tower to the set value by controlling seawater supply pump. （2）Adjust the pH value of washing circulation liquid to reach the set value by controlling the alkali liquor supply pump. （3）During the desulfurization process, the circulating pump is always running so that the washing
WhatsApp: +86 18221755073
developed model, a number of parameters affecting the SO2 concentration at the outlet of the slime fluidized bed boiler were simulated and deeply analyzed. In addition, the effects of the sulfur ...
WhatsApp: +86 18221755073
Taking the above-stated cases into account, in this paper, a prediction model of inlet SO 2 concentration by operation parameters of coal-fired boiler based on LSTM network with auto regression feature is established. Compared with CEMS, the SO 2 concentration in flue gas can be obtained 90 s earlier, with R 2 = 0.986 and RMSE = 30.11 mg/m 3.The accuracy and …
WhatsApp: +86 18221755073
The instantaneous NOx often exceeds 35 mg/m 3, resulting in less automatic injection time, and the operating personnel mainly adjust the slurry supply by manual means. In this paper, based …
WhatsApp: +86 18221755073
The technological process, technical parameters, operation cost and effect of zero discharge project for desulphurization wastewater of 1000MW coal-fired unit in East China are analyzed.
WhatsApp: +86 18221755073
Optimizing the structural parameters of the drying tower can improve the internal evaporation performance of wastewater, which is of great significance to improving the efficiency and economy of system operation. Moreover, the desulfurization wastewater contains a lot of salt and is weakly acidic (4.5–6.5) [[21], [22], [23]]. If the design of ...
WhatsApp: +86 18221755073
The application relates to a desulfurization system operation optimization method based on an improved PSO-FCM algorithm, which comprises the following steps: clustering sample data by adopting an improved PSO-FCM algorithm, and establishing a desulfurization system operation target working condition library; predicting the desulfurization boundary condition by adopting …
WhatsApp: +86 18221755073
By real-time monitoring the state and parameter changes of wastewater evaporation treatment process, online adjusting and optimizing the parameters of DRFNN and …
WhatsApp: +86 18221755073
The utility model discloses a single PID return circuit adds device that feedforward adjusted desulfurization supplied thick liquid flow relates to thermal power generating unit desulfurization technical field. The utility model comprises a desulfurizing tower, a slurry supply pump, an oxidation fan, a spraying layer, a demister and a circulating pump, wherein the demister and …
WhatsApp: +86 18221755073
The circulating fluidized bed flue gas desulfurization (CFB-FGD) process is a promising dry flue gas desulfurization technology with low investment and operating costs, easy operation as well ...
WhatsApp: +86 18221755073
Abstract Spray Drying Absorber (SDA) has been widely used for large-scale desulfurization. However, it also has some limitations. For example, the liquid absorbent easily causes scaling, which impedes the contact between the serous fluid and the flue gas and reduces the chemical reaction rate and desulfurization efficiency. This paper establishes the …
WhatsApp: +86 18221755073
pacity of the desulfurization system in order to optimize the adjustment space of operating parameters and reduce the probability of frequent parameter adjustments [ 8 ].
WhatsApp: +86 18221755073
factors on the redox reaction in the wet desulfurization system cannot be accurately obtained only based on the Nernst equation. Therefore, it is of great theoretical and practical value to establish a practical ORP model with desulfurization system as the research object. 2. Experimental and semi-empirical formula 2.1. Experimental device and ...
WhatsApp: +86 18221755073
The desulfurization wastewater treatment device has three control objectives including pH control, PAH control, and turbidity control, which are to ensure that the …
WhatsApp: +86 18221755073
The desulfurization device adopts " limestone gypsum" wet desulfurization process and "5" spray layer configuration. In order to realize th e ultra-low emi ssion of dust, the demi ster of
WhatsApp: +86 18221755073
The practice shows that the desulfurization efficiency is greatly improved and the average energy consumption of the desulfurization system is reduced by 29%, achieving the purpose of improving ...
WhatsApp: +86 18221755073
Journal of Physics: Conference Series PAPER OPEN ACCESS Design of ship exhaust gas desulfurization control system based on S7-1500 PLC To cite this article: Qi Yin et al 2019 J. Phys.: Conf. Ser ...
WhatsApp: +86 18221755073