To handle the information and support the risk analysis, a process safety knowledge graph is prompted and the development of domain ontology on delayed coking process is elaborated. The combined top-down and bottom-up approaches are used in defining the process safety schema on ontology level.
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The coking process involves feeding residual oil into a large, upright structure called a coke drum. Inside the drum, a process known as thermal cracking takes place, separating the oil into vapor and …
The processing of two samples of high ash Indian coking coal fines (−500 μm) has been studied. Mechanical cell flotation of two coal samples resulted in poor recovery of combustibles at a specified ash content of 17%.
The variation in fluidity in the course of coal storage was analyzed for two coals with a high content of volatiles (hard coking coal and semicoking coal). In both cases, oxidation occurs by the same process. The fluidity declines significantly here: slowly for the first 80 days of storage; and rapidly thereafter.
Jaw crushers, hammer mills, and sizers (including single roll and double roll types) are choices available in coal cleaning plants [ 15 ]. Apart from these, rotary coal breaker—a machine that combines size reduction, screening, and separation—has been developed and specifically designed for selective coal comminution.
Background. Delayed coking evolved steadily over the early to mid-1990s. Its purpose is to enable refiners to convert high-boiling, residual petroleum fractions to light products such as gasoline. Coking is the most energy-intensive process in a modern refinery. Large amounts of energy are required to heat the thick, poor-quality petroleum ...
The most basic CNC machine operations often employ both jigs and fixtures for stability and security. Because of the diverse designs of this tools, they serve many applications in the common CNC manufacturing operations.
Coal Washing Plant. The calculation of the performance of coal washing units that are in common use is not difficult and the principles of making such calculations have been known for many years. The flowsheets to be simulated consist primarily of coal washing units each with a target specific gravity of separation specified for each washing ...
It weakens the improvement of coke quality because the permeability of semicoke is low and abundant volatile gas is released in the latter coking process. When the tamping temperature and holding time are appropriate, higher stress could obtain high-quality coke with compact pore structure and low CRI due to the higher permeability of …
In this study, the coking behavior and mechanism of DCLR addition in coking were researched simultaneously. Firstly, the coking behavior of DCLR in coking process were researched. Cold mechanical strength and thermal strength of cokes were measured to assess coke qualities.
KnowledgeWeb Plus on line training program for Foster Wheeler Delayed Coking Technology is an efficient tool to improve on-boarding of new hires and up-skill existing workers in DCU safety and operations
This is a complete cooking oil processing line an excellent option for producing optimize edible oils. This small scale edible oil production line can also be equipped with other kinds of equipment such as seed …
Tin processing description from tin geology mineral property to how to extract tin from rock and placer deposit, related tin processing plant flow chart and layout design.
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Although HPACs can be monitored through sampling and analysis, the characterisation techniques used in their analyses are costly and time-consuming. In this study, we propose 3 distinct kernel-based machine learning (ML) models for predicting PACs including substituted HPACs and alkylated PACs occurring in coking wastewater.
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Under the wet beneficiation process, jigs and dense media bath technologies are commonly in practice for washing coarse coal (exceeding 10mm) and medium coal (1-10mm).
4 non-coking washeries with the total capacity of 16.22 MTY in Coal India Limited (CIL) and 18 non-coking washeries with the total capacity of 100.47 MTY in Private Sector were functioning during FY 2018-19. Non coking coal washeries in the private sector are mainly utilized by the consumers having linkage with CIL.
Jigs and fixtures are vital components in manufacturing processes, as they help improve efficiency and accuracy. Types of jigs and fixtures vary based on the complexity of the task at hand. The most typical types are drill jigs, router jigs, saw jigs, welding jigs, machining fixtures, assembly fixtures, inspection fixtures, and cutting-off tools.
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The coking process produces approximately 338,000 L of coke oven gas (COG) per megagram of coal charged (10,800 standard cubic feet of COG per ton). During the coking cycle, volatile matter driven from the coal mass passes upward through cast iron "goosenecks" into a common horizontal steel pipe (called the collecting main), which …
Jig beneficiation is one of the most effective gravity separation methods for processing coarse ores with large density difference. Come to Mining Pedia for the ultimate guide of jig!
Metallurgical Machinery. It is the generic term for the machinery and equipment required for production of steel and nonferrous metal materials. It is also called metallurgical equipment. The production process of metallic materials is complex and is subject to high requirements for continuity, mechanization, and automation.
