적동 재고는 지속적인 하락세를 끝낼 수 있다.철강 기업의 생산 제한 강도가 높아지고 수요 압력이 커짐에 따라 철광석 항구의 재고의 지속적인 감소는 끝날 수 있다.또한 **의 최신 통계에 따르면 제철소의 철광석 수입 가용일수는 일로 국경절 전보다 하루 줄어 사상 최고치를 기록했다.제철소는 현재 철광석 재고가 기본적으로 생산 요구를 만족시킨다고 밝혔다.향후 감산 및년 월말까지 산동성은 이미 만톤의 생철과 만톤의 조강의 생산능력과잉문제를 해결했으며 모든 생산능력제거설비는 이미 페쇄되고 퇴출되였다.월 일， 한단시발전개혁위원회는"년 한단시 과잉철강생산능력제거계획"을 발표했다.통계수치가 보여준데 따르면 년 한단의 제철능력은 만톤이고 제강능력은 만톤이다.
At the opening this morning， the market price of Zhengzhou copper bar was basically stable. According to the monitoring data of the Lange cloud business platform， the current market price of * mm Linyi copper bar was yuan (ton price， the same below)， the * mm copper bar was yuan， and the * mm copper bar Henan copper bar was yuan.
함부로 지껄이다그래서 카자흐스탄에 가는 일부 ah 환열기의 산소 설비에 자주 사용된다.
The production method of soft copper tube is basically the same as that of hard copper tube， that is， the annealing process is added compared with the hard copper tube. Annealing of copper tubes means that they are calcined in a high temperature furnace to change the arrangement of the elements in the copper tubes. However， after annealing， the copper tubes will become soft， which makes it easier to bend. The copper tubes produced in this way are called soft copper tubes.
바 하르 우동관은 동관，함부로 지껄이다7075 알루미늄 막대， 비철금속관이라고도 한다.그것은 일종의 압라무봉관으로 무게가 가볍고 열전도성이 좋으며 저온강도가 높고 부식에 견디는 등 특징을 갖고있다.동관은 이런 우수한 재산을 가지고 있기 때문에， 동관의 사용은 매우 보편적이다.경동관과 연동관은 사용 과정에서 어떤 차이가 있습니까?양자는 구체적인 응용 방면에서 어떤 차이가 있습니까?
경동관은 신축이나 압출 후 인공 처리를 거치지 않아 자연적으로 형성될 수 있다.이제 구리 파이프의 조직 형태가 가득 찼습니다.이런 동관은 갈라지기 쉬워서 구부리기에 적합하지 않다.그러므로 경동관은 일반적으로 곧다.
Disadvantages of copper pipe As far as copper pipe is concerned， high production cost and high price are its biggest disadvantages. Compared with other pipe fittings， the cost of copper pipe is much higher， and the connection at the copper pipe interface requires high construction technology level.
동판， 동봉， 동관의 다섯 가지 주요 응용 분야 중 다섯 가지: 동은 의약에 쓰인다.세기 년대에 중국 의학 발명가 류퉁칭과 류퉁러는 구리가 매우 강한 s를 가지고 있음을 발견하고 해당하는 &를 개발하는 데 성공했다.quot；암 억제 및;“；，이것은 머지않아 성공할 것이다.
When heating steel pipes， the temperature is slightly higher than when heating copper pipes.
It can be wrapped with moisture-proof paper for moisture-proof protection. It can also prevent oxidation to a certain extent. If cracks or serious corrosion are found， they must be isolated.
환영 하 다At present， the fundamentals faced by the domestic copper bar market are still mixed. On the one hand， but on the other hand， the northern market has entered the off-season of demand， and the markets expectation of future demand is pessimistic. In the short term， domestic steel prices will enter the operating track of range consolidation. To sum up， it is difficult for the steel market to make a breakthrough. As the th National Congress of the Communist of China is approaching environmental protection phenomena such as steel mills are still going on， and black series speculation is still taking place. But personally， the fluuation range of the market in this region is limited， and businesses can operate flexibly on a short-term basis，함부로 지껄이다321 스테인리스강 원강， and the shipment transaction is * * *.
림기관공장의 출고가는 현금보성 ( * mm， 이하 같음) 원， 김정양 원， 서강련련 원， 보달 원， 미신 원， 태종 원이 각각 원， 원 하락했다.
It is said that due to the optimistic future and tight resources， some iron plants do not take orders temporarily. The steel mills in Liaoning have increased their enthusiasm for purchasing steel. The iron mills have delivered well， so the iron price has risen. The iron mills have a high enthusiasm for producing steel， so there is not much cast iron resources， and the price has risen. A few steel mills in Tangshan began to purchase a small amount of steel for smelting and most steel mills are still on the lookout for inquiry. Under the background of increasing cost and gradual release of demand， the pig iron market is performing well and is expected to continue to operate strongly in the short term.
압출법: 본 생산 방법은 정련 후 구리 주괴를 주조하고 차 가열 후 대형 압출기로 구리 파이프를 압출한다.
평균 법The second of the five application fields of red copper plate T， red copper row and red copper tube: copper is widely used in the chemical industry to manufacture vacuum vessels， distillation pots， brewing pots， etc.
Four in one formula and process conditions Preparation of solution Take formula as an example: mix the calculated amount of water for zinc oxide into a paste， slowly add it into the calculated amount of phosphoric acid under stirring until it is completely dissolved， then add zinc nitrate and tartaric acid， dilute it with water to / of the total volume， add sodium alkosulfonate and OP emulsion， and add titanium sulfate. After all materials are added， dilute them to the total volume， stir them to make the solution even， cool them to room temperature， put a large amount of iron filings in the solution， and soak them for - days to make them contain enough ferrous ions. When the content of ferrous ion reaches above g/L adjust the free acidity and total acidity of the solution to the specified value， and then the solution can be used at elevated temperature. When the ferrous ion reaches the above value， the phosphating speed is fast， and the phosphating film is fine and dense. During operation， attention shall be paid to controlling the temperature. If the temperature is higher than ℃， the degreasing technology of degreased copper pipe. How to make degreased copper pipe? The process flow of degreased copper tube? What are the characteristics of degreased copper tubes? Use of degreased copper tube? There are too many questions. Lets solve them at once. Everyone knows the copper tube. Nitrate reacts easily. The heater should be installed on the two walls of the tank， not on the bottom of the tank， to prevent local overheating. Stainless steel pipe or iron pipe should be used for heater， and lead pipe or copper pipe should not be used to avoid contamination of solution by impurities. What is degreased copper pipipe? "The advantages of degreased copper pipes comprehensive treatment of grease， rust removal， reduce the work area， save equipment costs， shorten working hours， improve labor productivity and reduce costs. This method can only be used in the occasions where the requirements for coating quality are not high.However， in actual production， due to the amount of oil contamination， light and heavy rust， the consumption rate of each component in the solution is different， so attention should be paid to adjustment and control to maintain its due role. What is the degreasing copper tube? "I have roughly known the degreasing methods of degreasing copper tubes: solvent degreasing， alkali degreasing， ultrasonic degreasing， high pressure hot water degreasing， electrolytic degreasing， etc. Solvent degreasing: use degreasing solvent to dissolve the oil on the surface of red copper pipe， collect it together into a container， volatilize， collect and reuse the volatile solvent， and separate the pollutants from the circulation system. This method was used in the early stage， which has problems such as low cleaning efficiency， difficult maintenance， and environmental pollution. In recent years， many kinds of surfactants have been developed. The lipophilic group of surfactants can help to dissolve oil in water to realize degreasing. Alkali degreasing: Alkali degreasing is a complex chemical physical process. In addition to saponification reaction there are sometimes emulsion reaction and adsorption reaction. Typical saponification reaction formula is as follows: RCOOH+NaOHRCOONa+HO At present， industrial degreasers are composite reagents and the solution temperature is ℃. Ultrasonic degreasing: ultrasonic degreasing is to degrease the upper and lower surfaces of red copper pipes by using ultrasonic to generate high-speed vibration， whichtly used for monomer and irregular shaped components. High pressure hot water degreasing: without degreasing agent， heat the deionized water to ℃， and spray it directly to the surface of red copper pipe for cleaning under the pressure of about bar. Electrolytic degreasing: electrolytic degreasing， using the red copper tube as the cathode to generate H， the problem that alkali spraying and brushing cannot fully contact the micro concave part of the surface is solved. Generally which can improve the degreasing effect. Therefore， the cleaning effect of alkali degreaser spraying or high-pressure hot water degreasing plus brushing can meet the requirements of most users. If there are special requirements， multiple methods can be used together. According to practical experience， the degreasing effect of various degreasing methods (one side of the copper tube) is as follows: alkali degreaser spray plus brushing: mg/m alkali degreaser brushing plus electrolytic degreasing: mg/m ultrasonic wave: mg/m high-pressure hot water degreasing: 함부로 지껄이다경동관은 신축이나 압출 후 인공 처리를 거치지 않아 자연적으로 형성될 수 있다.이제 구리 파이프의 조직 형태가 가득 찼습니다.이런 동관은 갈라지기 쉬워서 구부리기에 적합하지 않다.그러므로 경동관은 일반적으로 곧다. The ex factory price of Linyi Pipe Factory has decreased by yuan for cash Baocheng ( * mm， the same below) yuan， yuan for Jin Zhengyang yuan， yuan for Ruigang Lianlian， yuan for Baoda yuan， yuan for Meixin yuan， and yuan for Taizong yuan. 동관 연결의 견고성이 강하다: 동관과 동관 부품의 연결이 견고하다.
