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Automation
/ Upgrading
A major
coal export terminal relied on ENSA to automate the silo discharge system of its
transloading facilities. The
terminal’s goal was to reduce the operational costs of the vessel loading
process. ENSA’s solution included
a remote, but centralized control system for the monitoring and control of coal
flow from three outbound storage silos. The
terminal previously relied on individuals to manually adjust gate positions and
bin vibrators at the silos during ship loading, while monitoring coal flow and
conveyor scales. This was a labor intensive process that required real time
communications with the staff on the shiploader. This automated system now allows the terminal to mix product
to the customer’s specification in a more precise fashion while reducing the
manpower costs of the terminal.
Sampling
A major eastern utility needed an inspection of their sampling systems to confirm their compliance with the latest ASTM standards. In addition to the inspection provided for ASTM Standard D-4702, this utility wanted a more thorough process, which would include an assessment of the maintenance status of the sampling equipment, as well as ideas for modernization and improvement. ENSA conducted an Operations & Maintenance audit by one of its senior staff members with extensive maintenance experience. The result, which was very highly regarded by this client, was a comprehensive report that:
In addition to this valuable report, ENSA was asked for assistance in correcting one immediate problem that required specialized repair. ENSA was able to complete this repair within 24 hours of request. Blending
/ Coal Yard Inventory Handling
1. One major southern utility was faced with the prospect of having to add a non-traditional and vastly different fuel source to its plants. This utility had previously purchased some older on-line coal analyzers, and had used them with limited success. Suspecting that the analyzers were not performing to their expectations, this utility asked ENSA to assess all of their systems and to recommend improvements. During this process, ENSA made assessments of the sampling, analysis, and weighing systems at all of their plants. The utility now has the information it needs to further develop systems to properly receive, sample, analyze, and blend their inbound coals, allowing them to have more cost effective fuel source supply
2. A major eastern utility simply wanted a more effective method of weighing and sampling inbound trucked coal. The existing sampling processes were very manual and subject to errors. The suppliers truck scale weights were used and the accuracy of these weights were questionable. ENSA designed and installed, on a turnkey basis, a fully automated truck scale and mechanical, two-stage, truck auger sampling system. The system interfaces with the utility’s existing systems, while reducing manpower costs, as both components are unattended. Furthermore, this ENSA solution was provided on a lease to purchase basis, giving to utility the flexibility to work outside of its limited capital budgeting constraints.
3. A major inland coal terminal wanted to modernize its handling and blending capabilities. ENSA’s multi-approach solution consisted of an automated truck scale and mechanical auger sampler to more effectively monitor the quality and weight of product from several sources. The solution also included an on-line analyzer which, in conjunction with its multiple underground feeder system, allows the terminal to “real time” blend during transloading, insuring proper quality. All of the components integrate with the terminal’s traffic activities.
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