China's domestic demand for fluorspar increased sharply and foreign suppliers to foreign countries to build hydrofluoric acid plants in China

Due to strong market demand and rising prices of raw materials and energy, the price of the resignation (F) has also increased. China is not only the main source of fluorinated HF raw materials and the world’s largest exporter, but also a big market for the consumption and export of HF derivatives. Industry insiders predict that China may become the main driving force for this market in the next 10 years. Market analysts from the Geological Survey Company in the United States believe that the development of a turbulent rod (17) will be more complicated than that in the past (5).畲笊 氐 氐 泄 泄 泄 泄 蚬 蚬 谙 谙 谙 枨罅啃 枨罅啃 枨罅啃 枨罅啃 枨罅啃 枨罅啃 枨罅啃 枨罅啃 ? ? ? ? ? 笔 笔 笔 笔 ? ? ? ? ? 淖畲蟪隹诶 淖畲蟪隹诶 础 础 础 础 础 础 础 5 ? 谛 品 品 品 ( ( ( (5) 思 蟊浠 蟊浠 蟊浠 褐 褐谛璐笤 谛璐笤 隹诖蠹 隹诖蠹 F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F In recent days, China’s exports of fluorspar have dropped sharply. (11) Towards Harmony??15. The Sandstorm? The Flood? The Flood? The Flood? The Flood? The Flood? The Fluorochemicals Plant The supply of raw materials is not on the market???????????????????????????????????????? Domestic demand soared in China??????????????????????????????????????????????????????????????????????????? Feeding 榭鱿 恍┕ 恍┕ 恍┕ 馍 馍 静 静 静 静 ∮胫 ∮胫 ∮胫 ∮胫 ∮胫 Ыㄇ 岷 岷 岷 岷 岷 岷 岷 岷 岷 岷 岷 俅 俅 俅 匀 匀 匀 暇 暇 暇 暇 暇Felt mirrors or ita orita 纳 orita ┗ Чひ Чひ Чひ 谌ツ 谌ツ 谌ツ 谌ツ 谌ツ 谌ツ 谌ツ 谌ツ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 The first phase of the project invested 6 million U.S. dollars. 50,000 tons/year. In addition, the coal industry is dedicated to cultivating mushrooms, burning 2,000 tons of fluorinated hydrocarbons 141b and 2,000 tons of other fluorides. At present, fluorocarbons and their derivatives account for more than 50% of total HF consumption. Driven by the rapid growth in demand, these derivative production facilities all operated at a high operating rate in 2004. Honeywell's sources pointed out that the pump's consumption has continued to grow. For the company, one of the important drivers of growth in demand is the growth in raw materials such as fluorspar and natural gas, which have adversely affected economic efficiency.

Maintenance Free Battery

The basic knowledge of maintenance-free lead-acid battery people often say that the regular name of the maintenance-free battery is called the valve-controlled sealed lead-acid battery. Valve controlled sealed lead-acid battery from the appearance including, shell, valve cover, wiring terminals. The sealing material around the terminal is red and black (or blue) respectively to indicate the positive and negative terminals. The 12V battery is divided into 6 independent isolated cells, each cell has a positive plate group and a negative plate group connected by their own bus conductor. The plate of the lead-acid battery is like the structure of reinforced cement, which is formed by coating (or rolling) active substances on the sieve skeleton of the alloy wire: the material on the positive plate is lead dioxide (PbO), and the material on the negative plate is velvet lead (Pb). Each of the positive and negative 2.

The plates are separated by porous microfiber material (or filled with silica gel material), which adsorbs sulfuric acid (HSO) electrolyte.

This fiber material (or silica gel material) is the liquid and gas transport channel during the electrochemical reaction process, it is tightly assembled with the positive and negative plate groups to form a 2V cell. Since the plates of lead-acid batteries inevitably produce hydrogen and oxygen when they are being charged, pressure builds up in the cell when they produce too much and are not ready to melt into water. In order to ensure the normal and safe work of the battery, each single cell has its own air overflow valve, when the pressure is excessive, let the gas escape automatically. Compared with the battery tank filled with full of electrolytic liquid inside the battery, the valve controlled sealed lead-acid battery contains only a small amount of electrolyte inside, also called: the lean battery. However, due to the design of the electrolyte has a certain redundancy, and under the protection of the overflow, as long as the valve pressure be reasonable used, the water loss is minimal which is caused by the gas escape, and the valve control battery electrolyte in the life process of the basic need not supplement, so the valve control sealed lead-acid battery is also known as maintenance-free battery.

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