Graphite condenser and graphite cooler are both types of graphite heat exchangers. The distinction between these two types of equipment is mainly based on the purpose. The graphite condenser is mainly used for the condensation of gaseous media. The purpose is to condense the medium into a liquid or to condense the medium. The water vapor in the condensing is generally equipped with an enterprise separation device in the lower part of the equipment, while the graphite cooler uses cooling water or frozen brine to cool the medium that needs to be cooled.
Graphite condenser and graphite cooler can be divided into two types of tube and block type according to different structures. The main heat exchange part of tube and tube is composed of graphite tubes. Generally, the corrosive medium goes inside the tube and the cooling medium goes outside the tube. A block-hole type is mainly composed of a graphite block, and a horizontal hole and a vertical hole are drilled inside, and two mediums are respectively used to achieve the purpose of heat exchange.
Since 2017, global economic growth has stabilized and improved. Looking forward to 2018, benefiting from the significant recovery in global trade, the expansion of investment in developed countries and emerging market countries, the world economy will maintain a steady recovery. Experts from CCID think tank in an interview with China Industry News reporter predicted that the world's industrial growth rate will continue to increase in 2018.
The global economic performance in 2017 was relatively strong, and was higher than the same period in 2016. The economic data of the United States has generally improved, and the performance of various European economies has been dazzling. Some Asian economies represented by China still maintain stable growth. However, economic growth in many countries remains weak, and inflation in most advanced economies remains below target. Commodity exporters have been hit particularly hard. Although the short-term risks are roughly balanced, the medium-term risks are still on the downside. In summary, the global economic growth rate in 2018 is expected to be around 3.5%, and the global economy will maintain a steady recovery.
Global manufacturing will grow at a slow rate. Driven by both output and new order expansion, which accelerated to the fastest in the past two years, the JP Morgan Chase Global Manufacturing Purchasing Manager Index (PMI) in October continued to rise from 53.3 to 53.5, a new high in nearly two years. During the period, 19 of the 48 countries improved PMI, but 27 countries were still contracting, most of them in Asia. Global manufacturing is expected to grow at a slow rate in 2018.
Emerging industries will maintain growth for a long time. After the international financial crisis, countries around the world have increased their layout of emerging technologies and industrial development, and strive to create new economic growth points by developing new technologies and fostering new industries. Technological hotspots such as artificial intelligence, virtual reality, blockchain, cloud computing, fog computing, and quantum computing have continued. It is expected that in 2018, countries will step up plans and policies to strengthen deployment around core technologies, top talents, standards and norms, and strive to gain leadership in a new round of international technology competition.
Global direct investment will grow slightly. According to the United Nations Conference on Trade and Development (UNCTAD) Global Investment Trend Monitoring Report released in October, it is estimated that the global foreign direct investment (FDI) of graphite synthesis furnaces in 2017 may increase by 5% compared to 2016, reaching nearly 1.8 trillion US dollars, but still lower than The peak before the 2008 financial crisis.
From a regional perspective, in 2017, FDI inflows into Africa are expected to resume growth, rising to 65 billion U.S. dollars, Asian developing countries will grow 15% to 51.5 billion U.S. dollars, and Latin America and the Caribbean is expected to fall 10% to 130 billion U.S. dollars. The transition economies have moderately increased to about $ 80 billion, while developed countries have stabilized at about $ 1 trillion. It is expected to continue to increase to $ 1.85 trillion in 2018.
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