Displaying items by tag: Mill

UK: Welding Alloys says that it has carried out maintenance on a vertical roller mill at HeidelbergCement subsidiary Hanson’s 1.0Mt/yr Purfleet slag plant in Essex, repairing the mill’s Loesche 46 2+2S grinding table and rollers. The company said that the mill, which had ground 3500t of granulated blast furnace slag (GBFS), was “in urgent need of refurbishment.” Following a wear audit, Welding Alloys took the grinding components back to the profile template using its Integra Wire Mill products.

The group said that “both companies overcame the challenges of completing the project within the limited shutdown period while complying with the Covid-19 lockdown measures.”

Kazakhstan: Germany-based Gebr. Pfeiffer says that it has secured a contract for the supply of an MVR 5000 C-4 vertical grinding mill to SemeyCement’s 1Mt/yr integrated Semey cement plant in East Kazakhstan. Gebr. Pfeiffer says that the 200t/hr capacity mill will have a drive power of 4000kW and be equipped with an SLS 4500 BC classifier. Delivery of the vertical roller mill is scheduled for autumn 2021.

North Africa: Turkey-based DAL Engineering Group has announced that it has acted upon a contract to design and manufacture a ball mill for a grinding plant project. It shipped the 3.0m x 10m mill to a grinding plant in North Africa in June 2020.

Uzbekistan: Akhangarantsement says that it has installed a ThyssenKrupp raw materials grinding unit at the site of an upcoming 5Mt/yr integrated cement plant in Tashkent Region. The equipment consists of a jaw crusher for primary crushing and a hammer mill for secondary crushing. The company said that the upcoming plant will “provide the market with a line of high-quality products for the construction of housing, industrial and infrastructure facilities.”

Russia: Sibtsem Holding Company subsidiary Timlyuy Cement has announced the completion of essential upkeep on raw material mills five and ten at its Timlyuy Cement plant. Improvements included the replacement of exhausted plate feeders with bucket feeders for accurate dosing, “improving the quality of the finished product while lowering cost,” according to Timlyuy Cement process control chief expert Vladislav Zarubin. A new conveyor belt with an electric drive, strain gauges and control system was also included under the US$57,500 upgrades.

Timlyuy Cement says that per unit productivity has increased by 37% to 55t/hr from 41t/hr. Managing director Vladimir Klichko said, “For the Timlyuy Cement plant, improving the reliability of process equipment is traditionally one of the primary tasks. The modernisation of raw materials grinding, performed at the proper level, is the key to stable and efficient operation of the enterprise - a guarantee that even at the peak of the construction season, consumers will receive high-quality products on time, and in the right amount.”

Germany/Vietnam: Loesche says that it has dispatched two LM 53.3+3 CS vertical roller mills from its plant in North Rhine-Westphalia for a new line at Thanh Thang Group Cement’s integrated Bong Lang cement plant. The mills have a combined capacity of 180t/hr and grind clinker to a fineness of 4000 Blaine. The new line, installed by Sinoma-NCDRI, will be commissioned in late-2021. Loesche will also supply two cellular wheel feeders, metal detectors and sealing air blowers.

US: CalPortland has awarded a supply contract to FLSmidth for a new raw mill at its integrated Mojave plant in California. The scope of supply includes engineering, equipment and installation of a new OK 48-4 Raw Mill with a Condition Monitoring System and an ECS/ProcessExpert system. The mill is scheduled to be in operation in late 2021. No value for the current order has been disclosed.

“The new OK Raw Mill from FLSmidth will increase reliability and efficiency at our Mojave plant," said Bruce E Shafer, Senior Vice President for Cement Operations at CalPortland. It follows the purchase of a FLSmidth OK Cement Mill at the same plant in 2004. FLSmidth added that as both OK mills at the plant will share the same gearbox design, the unit will be able to streamline maintenance and manage inventory costs by sharing the one spare FLSmidth MAAG WPU-200 assembly.

Uzbekistan: Eurocement subsidiary Akhangarantsement has reported the successful installation of rotary kiln housing at its upcoming 3.0Mt/yr integrated Akhangarantsement plant. The Uzbekistan Daily newspaper has reported that workers completed internal and external welding on the kiln body, while work on jaw and hammer crushers for the raw materials and clinker grinding plants is ongoing. The project is on schedule for completion in mid-2020.

Germany: Currax and Siemens have announced their collaboration on a mill operations digitisation pilot project involving the Simotics Connect 400 motor data collector and transmitter. They hope that analysis of data processed via the Simotics 400 will better enable the remote operating of mills ‘to increase efficiency and component life’ and speeding the shift towards automation and production that is resilient to crises such as the coronavirus outbreak.

US: Curt Snyder, owner of Lancaster Products, has acquired cement grinding technology supplier Bradley Pulverizer. Snyder said, “Bradley Pulverizer’s line of pulverisers and mill classifiers complement Lancaster Products’ mixing, granulating and crushing capabilities,” to provide complete solutions and services to the cement industry.