Displaying items by tag: South Korea

South Korea: Ssangyong Cement has ordered equipment from Germany-based KHD Humboldt Wedag as part of an upgrade to clinker production line five of the Donghae plant. The scope of supply for the contract includes: a Pyroclon R type calciner with Pyrotop mixing chamber; a Pyrorotor type alternative fuel combustion reactor; a Pyrobox type coal firing system for process start-up and operation balancing; replacement of stage four cyclones with new high-efficiency cyclones for calciner connection and an overall pressure drop reduction; a new kiln inlet chamber with orifice, kiln hood and tertiary air ducts; and a new Pyrofloor PFC 738AW type cooler with a Pyrocrusher PRC 420-4ES.

This project will be the fourth Pyrorotor installation at the Donghae plant. KHD’s scope includes the engineering and supply of mechanical equipment for the clinker production as well as electrical equipment for the overall modernisation of the production process. The project scope is the same as the modernisation contract of line four of Donghae plant, which was signed in February 2021 and currently is in commissioning. The commissioning of the modernised line five is scheduled for the fourth quarter of 2023.

South Korea: Halla Cement has awarded a supply and engineering contract to Germany-based KHD Humboldt Wedag for an upgrade of line 2 at Okke plant. KHD will supply a new Pyroclon R type calciner, with a Pyrotop type mixing chamber, and a 4.2m x 15m Pyrorotor type combustion reactor. Other equipment being provided includes: a Pyrobox type coal firing system for process start-up and operation balancing; replacement of stage five cyclones with new high-efficiency cyclones; and a new kiln inlet chamber with orifice. Erection and commissioning of the modernised production line is scheduled for the first quarter of 2024.

This latest project marks the second installation of a Pyrorotor at Halla Cement’s Okke plant. The installation of line 3 at the site is currently ongoing with commissioning scheduled for the first quarter of 2023. Overall, this will be KHD’s ninth installation of a Pyrorotor in South Korea.

The Pyrorotor has been promoted to cement plants as a way of using low-quality alternative fuels with minimal pre-processing. It offers a thermal substitution rate of over 85% and will also allow the Okke plant to reduce its NO_x emissions. The installation of the new Pyroclon R type calciner and the high-efficiency cyclones in the lowest preheater stages will also provide the production line with an increase in efficiency due to an overall pressure drop reduction in the entire preheater.

South Korea: SK Group subsidiary SK Ecoplant has partnered with CMD Group to launch pilot production of building materials made using up to 60% recycled bottom ash from waste incinerators. The partners say that an exothermic reaction in the presence of non-sintered inorganic binders and expansion-reducing reactants increases the compressive strength of the end product to match that of concrete containing ordinary Portland cement (OPC).

AJU News has reported that South Korean waste incinerators produced 2.16Mt of bottom ash from 9.12Mt of waste in 2020.

South Korea: A truck driver strike has ended after seven days. The Korea Herald newspaper has reported that the government has agreed to extend a freight rate-based minimum wage system. The total cost to the cement industry was US$70.6m,

South Korea: Korea Cement Association (KCA) members’ cement shipments fell by 90% over two days to 13,000t on 8 June 2022 from 180,000t/day prior to a truck driver strike which began on 7 June 2022. The association claimed that producers lost US$23m-worth of sales in the first two days of the strike, which also affects other industries. 17 ready-mix concrete batching plants in the Seoul area have suspended operations. The Korea Herald newspaper has reported that the association representing the construction industry has also voiced concerns about the supply situation.

South Korea: A total of 8200 truck drivers have gone on strike to request higher wages and an extension of the government’s freight charge system. The Korea JoongAng Daily newspaper has reported that 50% of the country’s 2700 cement truck drivers are unionised. Under the freight charge system, drivers receive minimum monthly payments in order to tackle the problem of overloading.

South Korea: Finance Minister Hong Nam-ki has announced plans for a further increase to his country’s coal imports from Australia in order to enable cement production to continue and prevent a shortage. The Yonhap News Agency News has reported that the government plans to accelerate customs clearance processes around the fossil fuel. Hong added that the government will ‘sternly deal with any illegal hoarding or price fixing’ of cement.

South Korea: Seven cement producers have agreed to produce 3.77Mt of cement in the second quarter of 2022, up by 36% quarter-on-quarter from first-quarter 2022 levels, to alleviate a shortage. 380,000t of cement which would previously have been exported will now supply the domestic market instead. The Yonhap News Agency has reported that bituminous coal supply issues have hampered the domestic cement industry's ability to increase its production in line with demand growth. In the first quarter of 2022, South Korea's coal imports consisted of 54% Russian coal and 46% Australian coal, compared to 75% Russian and 25% Australian coal in 2021.

The government plans to invest US$764m between 2023 and 2030 in improving the sustainability of South Korean cement production, including moving it away from reliance on coal through increased alternative fuel use.

Peru: Cement production grew by 41% year-on-year to 12.9Mt in 2021 from 9.14Mt in 2020. Data from the Association of Cement Producers (ASOCEM) shows that cement and clinker exports increased by 43% to 205,000t and by 128% to 707,000t respectively. Cement and clinker imports rose by 23% to 884,000t and 131% to 1.55Mt respectively. In December 2021 94% of cement imports came from Vietnam and the majority of clinker imports came from South Korea. ASOCEM added that the recovery of local cement despatch levels from July 2020 was a sign that the market had recovered after the start of the Covid-19 pandemic.

South Korea: A TEC says that it has installed and commissioned a ReduDust dust treatment plantin the chlorine bypass system of Ssangyong Cement’s Donghae cement plant in Gangwon. The ReduDust plant will recover salts from dust, enabling the producer to reuse the dust in its cement production. The supplier says that it will yield 35,000t/yr of useable dust. Ssangyong Cement already uses an A TEC Rocket Mill grinding unit in its alternative fuel (AF) production at the Donghae cement plant.