The domestic market price of potassium chloride rose, but there was not much progress in the recent transactions. Before the arrival of the frontier border trade, the merchants sold their goods at a low price, resulting in chaotic trading in the potash fertilizer market. After the meeting in Xi’an, downstream compound fertilizer companies began to issue winter storage prices and corresponding policies. Although most businesses wait and see, some dealers feel that the price is suitable for a small amount of money to get goods to prevent late transportation problems. Compound fertilizer companies also begin to reserve. Raw materials, appropriate procurement, due to the recent shortage of red potassium in the border trade area, the main market in the early period of the sale of goods, leading businesses are expected to increase the port price, and then the white potassium business began to reduce sales, be raised white potassium port prices, to the week Merchants in Wubian Trade Area stopped quoting outside the market and raised prices by 50 yuan/ton in the later period. At present, only traders increase the port price, and the transaction price still has little improvement. Look at the market demand situation. With the current purchase of compound fertilizer, the potash fertilizer market Demand is slowly magnified, and the transaction price has gradually risen again. Affected by potash fertilizer, the quotation of potassium chloride in the northern region has been raised. Currently, the gap between the north and south ports is not significant. The mainstream price of Hong K in the port is 3050-3100 yuan/ton, the mainstream price of white potassium is 3150-3200 yuan/ton, and border trade area port red. The mainstream price of potassium is 2900-2950 yuan/ton, and the price of white potassium 62 crystal port is reported at 3,000 yuan/ton. The transaction price is lower. The price of domestically produced small plants 57 at the station price is RMB 2700-2750/ton International situation: The Southeast Asian market has reached a new order, and it is expected that the potash price will rise sharply in this market in the near future. Due to weak demand, PCS lowered the US market price by US$20/short ton. Due to the debt crisis in Europe, buyers continue to wait and see the market calm. Brazilian buyers refused to offer high prices because of sufficient inventory. Southeast Asian buyers began to discuss the shipping schedule for the first quarter of 2012 and reached an agreement next month. The Chinese market began to discuss the order of potassium chloride in the first half of 2012 in December. To sum up, the current domestic potash fertilizer transportation is still available. The previous orders were issued one after another. The price of imported potash rose. With the current demand situation, the new price transaction should be relatively slow, and it is expected that there will be a turning point at the end of the month or the middle of next month.
** Potassium domestic ** Potash market continues to decline steadily. Although Mannheim's corporate price has not changed much yet, due to light orders, the actual transaction price has fallen. Currently, the mainstream price of 50 powders for all companies is reported at 3600-3650 yuan. / Ton, the actual take the goods price is low, Luo Ka merchants export price of 3570-3600 yuan / ton, East China, North China, North East region, the actual transaction price of 50 powder mainstream factory price of 3500-3570 yuan / ton, it is learned that the low price There are 3500 or less transactions.
Potassium chloride:
Based on the current situation of the start-up of downstream compound fertilizer winter storage, there is little support for the potassium chloride market, and the short-term market has a signal of recovery. However, only the merchant's offer is raised. The market transaction price is still the low-end price of the previous period. Market demand There is no obvious advantage, and it is expected that the market for potassium chloride will be dominated by shocks in the later period.
** Potassium:
The raw material potassium chloride market showed signs of improvement, but there was no significant transaction, and in the slow start of the winter fertilizer market, the potassium demand in the late stage was enlarged, and the space for slowdown in the latter period was slowed down. Consolidation dominates.
Graphite Electrode, mainly in petroleum coke, needle coke as raw material, coal tar pitch as a binder, calcined, ingredients, mixed kneading, pressure, roasting, graphitization, machining and made in the arc furnace in the form of arc The energy can be divided into ordinary power Graphite electrode, High Power Graphite Electrode and Ultra High Power Graphite Electrode according to its quality index.
Graphite electrode transport
1, graphite electrode in the long-distance transport to be covered with anti-rain Pengbu.
2, with lifting machinery unloading wooden box packaging electrodes, you must use the wire rope, not directly hook the electrode steel packing belt for lifting.
3, in order to protect the electrode end and thread, not directly with hook hook electrode hole hanging electrode.
4, loading and unloading joints box, you should gently take to prevent damage to the thread.
Second, the graphite electrode storage
1, the electrode should be stored in a clean, dry place; temporarily do not use the electrode and connector, do not remove the packaging, to prevent dust, debris fall into the thread or electrode hole, affecting product docking accuracy.
2, open field stacking electrodes, must be covered with rain pants. In the case of
3, the electrode in the Treasury storage to be placed neatly, the electrode stack on both sides to pad well, to prevent the cartoons.
4, bulk electrode stacking height is usually not more than 2.8 meters, the height of the box electrode should not be more than 4 layers.
5, the temperature of the place where the joints should be stored should not be too high to prevent the asphaltene joint bolt melting.
Third, the graphite electrode connection operation
1, by the wet electrode, before use to dry.
2, remove the spare electrode hole on the foam protective cap, check the electrode hole thread is complete.
3, with no oil and water compressed air cleaning spare electrode surface and hole thread; to avoid the use of wire or metal brush cloth cleaning.
4. Do not touch the threads in the electrode holes where the joint is carefully screwed into one end of the backup electrode (it is not recommended to insert the connector directly into the electrode that is replaced on the furnace).
5, the electrode spreader (recommended the use of graphite material spreader) screw into the other side of the electrode electrode electrode hole.
6, lifting the electrode, the mat soft objects to the bottom of the alternate electrode assembly to prevent the ground to break the joints; with a hook into the spreader after the lifting ring, lifting the electrode to be smooth, to prevent the electrode from the B-loose Off or collide with other fixtures.
7, the spare electrode hanging to the top of the electrode to be connected to the electrode hole slowly after the fall; rotating the backup electrode, so that the screw hook and the electrode with the rotation down; in the two electrode end distance 10-20mm, again with compressed air Clean the two ends of the electrode and the exposed parts of the joint; in the final complete discharge of the electrode, not too much, or because of violent collision, will lead to electrode holes and joints of the thread damage.
8. Tighten the backup electrode with a torque wrench until the ends of the two electrodes are in close contact (the correct connection of the electrode and the connector is less than 0.05 mm).
Fourth, the graphite electrode in the use of the precautions
1, the electrode holder should be caught in the top of the cord outside the cordon, otherwise easily lead to electrode break. The contact surface of the gripper and the electrode should always be cleaned to maintain good contact with the electrode, and the gripper cooling water jacket should be kept leaking. In the case of
2, the electrode connection found cracks exist to identify the cause, to eliminate the gap before use.
3, connecting the electrode, found that the phenomenon of joint peeling off, to fill the joints and then connect the bolt.
4, the electrode should be used vertically, to avoid tilting operation, in particular, can not be connected to a group of electrodes placed horizontally, so as not to break.
5, to the furnace into the charge, the bulk material should be installed near the bottom of the furnace to reduce the collapse of the large pieces of charge impact electrode.
6, smelting, should avoid a large number of insulation material stacked in the electrode just below, so as not to affect the use of electrodes, or even electrode break.
7, the electrode in the rise or fall, should avoid touching the lid, resulting in electrode damage.
· 8, in the smelting site, to avoid slag splashing to the site of the electrode or connector threaded buckle, damage the thread accuracy.
Graphite Electrode
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