Displaying items by tag: Christian Pfeiffer
Mordovcement officially opens grinding unit
09 October 2018Russia: Filaret Galchev, the chairman of Eurocement, and Vladimir Sushkov, the chairman of the government of the Republic of Mordovia, has officially opened a Euro65m grinding unit at the Mordovcement plant. The new grinding unit includes two ball mills with a production capacity of 2.6Mt/yr, a 50,000t clinker warehouse and rail and truck despatch silos. Eurocement used equipment from Christian Pfeiffer, Claudius Peters, Aumund and KHD for the upgrade project at its subsidiary.
Christian Pfeiffer runs training seminar
21 September 2017Germany: Christian Pfeiffer has run a training seminar for cement plant workers at its headquarters in Beckum. Over the four-day course attendees learned about developments in grinding and separation technologies and different grinding techniques. The seminar also included a visit to a cement grinding mill at the Wotan cement plant in Üxheim-Ahütte. Christian Pfeiffer supplied and put this unit into operation in 2010.
Malaysia: Engineering company Christian Pfeiffer has released more information about a grinding plant that it completed at the Mambong cement plant for Cahya Mata Sarawak (CMS) in 2016. The engineering procurement and construction (EPC) contract was originally signed in mid-2014 and it also included raw material handling, finished product storage silos and an automated packing plant.
The grinding plant consists of a two-compartment ball mill with a diameter of 4.8m x 15m effective grinding length equipped with a QDK 248-Z separator designed to produce 150t/hr of cement with a fineness of 3500cm²/g according to Blaine. The mill is supported by slide shoe bearings and driven by a lateral drive unit consisting of a girth gear and two pinion gear box with a floating shaft and a 5600kW main motor. The feed materials - clinker, gypsum and limestone - are dosed separately via weigh feeders, while fly ash can be added directly to the separator by a bucket elevator.
The ball mill is equipped with progressive lifting and classifying liners and filled with Allmax grinding balls. The material flow from the first to the second compartment is regulated by a Christian Pfeiffer intermediate flow-control diaphragm in Monobloc design, to ensure an ideal material level and particle size for fine grinding in the second compartment. The fine ground cement leaves the mill by a discharge diaphragm, in a Christian Pfeiffer Monobloc design, and is fed to the separator circuit by a bucket elevator. Separation of the ground cement is achieved by a bag filter application with minimum remaining dust content in the clean gas of below 10 mg/Nm³.
The cement produced is stored in two interchangeable 10,000t silos. One is a mono-cell and the other duo-cell, allowing for the production and storage of three different types of cement. Each silo is equipped with two bulk loading devices for conventional silo truck loading. Cement for the adjacent packing plant is transported via air slides and a bucket elevator. There, it can be filled into big-bags or cement paper bags by a rotary packer at a rate of 3000 bags/hr. At this stage the single packed cement bags can either be directly loaded on trucks or be transferred to a palletiser. The automated palletising system is designed for both pallet and palletless operation.
CMS officially launched the 1Mt/yr grinding plant in late 2016.
Cahya Mata Sarawak Berhad opens cement grinding plant at Mambong
09 November 2016Malaysia: Cahya Mata Sarawak Berhad (CMSB) has officially launched its 1Mt/yr cement grinding plant at Mambong for a cost of US$45m. The engineering, procurement and construction (EPC) contract for the unit was awarded to Germany’s Christian Pfeiffer Maschinenfabrik GmbH in April 2014. Construction at the site started in July 2014, production ramp-up commenced in December 2015 and it was fully commissioned earlier in 2016. The plant comprises a 150t/hour ball mill, a high efficiency separator, 2 units of 10,000t concrete silos, four-line bulk loaders and a 3000 bag/hour packing and palletising machine.
“This third plant will increase CMSB’s total annual rated cement production capacity by almost 60% to 2.75Mt/yr, well above current local demand of around 1.7 – 1.8Mt/yr.” said Richard Curtis, Group Managing Director of CMSB. The plant joins the company’s integrated cement plant at Mambong and a grinding plant at Bintulu. CMSB intends to meet growing cement demand in Sarawak, including from big projects such as the Baleh Dam and the Pan Borneo Highway.
The official launch also included the signing of a Memorandum of Understanding (MoU) between CMS Clinker and ZHA Environmental to enter into negotiations for the use of shredded rubber tyres as an alternate fuel in the production of clinker. CMSB has also signalled its intent to use slag in its cement manufacture as sources become available.
Siemens to supply CMS Cement plant with drive and automation technology
17 September 2014Malaysia: Christian Pfeiffer has contracted Siemens to supply an integrated drive system and automation technology for the new CMS Cement plant in Kuching, Sarawak State.
CMS Cement is adding a new grinding mill to its existing clinker production plant to turn the facility into an integrated cement plant, increasing its capacity to 2.75Mt/yr. Christian Pfeiffer is acting as the general contractor and will supply the new mill. Contracts have already been announced for the new silo and packaging facilities.
The Siemens' Integrated Drive System to be supplied to the plant consists of low and medium voltage motors together with the associated Sinamics drives, including the required converter transformer, starter, compensation system and gearbox. The supply package contains a slip ring motor of 5.6MW for the cement mill's main drive and 500kW, 400kW and 160kW motors for the process gas fan, separator and mill filter fan, respectively. The motors will be driven using Sinamics G150 converters.
Siemens has also supplied a Flender girth gear (DMG2), including drive couplings and auxiliary drive with extremely high performance density. Process control and monitoring will be taken care of by the Cemat process automation system. Based on Simatic PCS 7, this allows comprehensive transparency throughout every phase of the cement manufacturing process.
Once the production process has stabilised following commissioning, CMS Cement will take over additional control functions using Advanced Process Control technology components. Installation monitoring, commissioning and staff training will be carried out on site by Siemens Malaysia.
Malaysia: Christian Pfeiffer has received the order to erect a turnkey cement grinding plant, including silos and packing facility, for Caha Mata Sarawak (CMS) in Kuching, Malaysia. The related contract was signed on 23 June 2014. The Euro36m order comprises engineering, fabrication and supply of the entire equipment including electrical and control equipment, installation and commissioning of the grinding plant as well as the complete construction work and layout of roads. The grinding plant has a designed capacity of 1Mt/yr of cement.
The delivery includes a two-chamber ball mill with slide shoe bearing, two 10,000t silos, two big bag loading stations and a packing and palletising installation for truck loading with a capacity of 3,000 bags/hr. One of the silos is equipped with a one-chamber system. The other one with a two-chamber system. The specific energy demand of the entire grinding plant is less than 40kW per tonne of cement. The construction work will start in July 2014 and completion and commissioning are scheduled for summer 2015.