對鋼水中止溫度和成分調(diào)理等二目前市場對氧化鋁板品種的懇求越來越高，相應(yīng)一煉鋼廠精煉爐的精煉任務(wù)越來越重，原設(shè)計冷卻水系統(tǒng)中的各個參鬢又指標(biāo)曾經(jīng)不能滿足精煉爐冷卻懇求。精煉爐蓋經(jīng)常被燒壞，其次，冷卻水沒PH2800XPB電鏟推壓氧化鋁板技術(shù)升級在分析PH2800XPB電鏟原裝推壓氧化鋁板機構(gòu)和存在缺陷的基礎(chǔ)上,氧化鋁板表面三氧化二鐵電鍍機械加工 25-300℃的范圍內(nèi),隨著形變溫度升高,無論是熱軋態(tài)、冷軋態(tài)還是固溶態(tài),所研制材料的強度和延伸率都逐漸降低。
　　At present, the market demands more and more for the aluminum oxide plate, such as the suspension temperature of molten steel and composition conditioning. The refining task of the refining furnace in the first steelmaking plant is more and more heavy. The indexes of each parameter in the original cooling water system could not meet the cooling demands of the refining furnace. First of all, the refining furnace cover is often burned out. Second, the cooling water is not upgraded with ph2800xpb shovel. Based on the analysis of the original mechanism and defects of ph2800xpb shovel, the surface of the aluminum oxide plate is electroplated with Fe2O3 within the range of 25-300 ℃, and with the increase of the deformation temperature, whether it is hot-rolled, cold-rolled or solid solution, the developed materials The strength and elongation decreased gradually.

　　緣由可能是溫度升高,材料的層錯能升高,形變機制由孿生為主變?yōu)橐曰茷橹鳌?.210-4-6.310-3/速率區(qū)間,伴隨著應(yīng)變速率的加快,材料的強度和延伸率都逐漸降低,可能由于應(yīng)變速率進(jìn)步,位錯運動受限,形變孿晶不易構(gòu)成所致。金屬材料電化學(xué)工作站對材料的耐蝕性中止了測試分析顯現(xiàn)所研制鋼材經(jīng)固溶處置后抗腐蝕性能優(yōu)秀,形變后抗腐蝕性能有所降低,Cr和Ni元素的參與有助于進(jìn)步抗腐蝕性能,腐蝕的力學(xué)化學(xué)效應(yīng)是形變后抗腐蝕性能降低的主要緣由。邯鋼一氧化鋁板煉鋼廠精煉爐水系統(tǒng)改造 煉鋼廠精煉爐主要用于進(jìn)步鋼水產(chǎn)質(zhì)量量。提出了對推壓大氧化鋁板技術(shù)升級改造,同時分析了升級改造后的優(yōu)點,并對推壓大銅套在改造前后的缺點小時數(shù)中止統(tǒng)計分析,考證推壓大銅套技術(shù)升級改造對減少缺點有促進(jìn)作用,減少了維修本錢,同時為礦山消費創(chuàng)造了更多的經(jīng)濟效益。目前平朔集團安家?guī)X露天礦配置電鏟共計13臺,其中4100電鏟2臺,WK-55電鏟2臺,PH2800XPB電鏟7臺,PH2800XP電鏟2臺。由此可見PH2800XPB電鏟是整個煤礦消費的主力軍。
　　The reason may be that the temperature increases, the stacking fault energy increases, and the deformation mechanism changes from twinning to sliding. 4.210-4-6.310-3/rate range, with the acceleration of strain rate, the strength and elongation of the material are gradually reduced, which may be caused by the progress of strain rate, the limitation of dislocation movement, and the difficulty of forming deformation twins. The electrochemical workstation of metal materials stopped testing and analyzing the corrosion resistance of the materials. It shows that the corrosion resistance of the developed steel after solution treatment is excellent, and the corrosion resistance after deformation is reduced. The participation of Cr and Ni elements is helpful to improve the corrosion resistance. The mechanical and chemical effect of corrosion should be the main reason for the reduction of the corrosion resistance after deformation. Revamping of refining water system in aluminium oxide plate plant of Handan Iron and Steel Co., Ltd. This paper puts forward the technical upgrading and transformation of push pressing large aluminum oxide plate, analyzes the advantages after the upgrading and the statistical analysis of the defect hours of push pressing large copper sleeve before and after the transformation, and proves that the technical upgrading and transformation of push pressing large copper sleeve can promote the reduction of defects, reduce the maintenance cost, and create more economic benefits for the consumption of the mine. At present, there are 13 electric shovels in Anjialing Open Pit Mine of Pingshuo group, including 2 4100 electric shovels, 2 wk-55 electric shovels, 7 ph2800xpb electric shovels and 2 ph2800xp electric shovels. It can be seen that ph2800xpb shovel is the main force of the whole coal consumption.
　　而推壓系統(tǒng)是電鏟的主要組成部分,用于驅(qū)動電鏟斗桿動作,完成斗桿的伸出和縮回功用,完成電鏟與卡車的配協(xié)作隨著我廠精煉產(chǎn)量的不時進(jìn)步,原有的精煉爐水系統(tǒng)已不能滿足冷卻的懇求。經(jīng)過對其中止系統(tǒng)的改造,完善了各項技術(shù)參數(shù),進(jìn)步了水量、水壓、水質(zhì)。完成了對用水點的室內(nèi)監(jiān)控,并完成了一機一個供回水系統(tǒng),水量、壓力低值報警,消弭了事故隱患,平衡了水量及壓力調(diào)理,處置了供水量大于回水量的難題,確保了精煉爐的安全消費。廣兩座30噸LF精煉爐。應(yīng)用有限元仿真方式模擬大收縮率收縮管的收縮過程,得到與在井下溫度場條件下動態(tài)拉伸實驗相近的結(jié)果。某些無線電產(chǎn)品中,需求運用鍍銀氧化鋁板材料。但是對氧化鋁板材料(零件)中止電鍍,若不作特殊處置,很難電鍍的這個問題怎樣處置呢?反復(fù)作了各種實驗,總結(jié)出了如下較好的方法。氧化鋁板經(jīng)過機械加工、熱處置、焊接等工藝措施后,其表面將產(chǎn)生一層氧化皮。這層氧化皮,用普通黑色金屬鍍前的酸洗方法是難以除去的,這是構(gòu)成難以電鍍的緣由之一。氧化鋁板表面的氧化皮中主要含有:三氧化二鐵(Fe_2O_3,含水三氧化二鐵(Fe_2O_3mH_2O,四氧化三鐵(Fe_3O_4,三氧化二鉻(Cr_2O_3,二氧化硅(SiO_2,二氧化鈦(TiO_2及尖晶石等氧化物。為了能夠電鍍,就必需除去這些氧化氧化鋁板電鍍的預(yù)處置物。
　　The pushing system is the main part of the shovel, which is used to drive the action of the shovel stick, to complete the function of extending and retracting the stick, to complete the matching and cooperation between the shovel and the truck. With the continuous progress of the refining output of our plant, the original refining furnace water system can no longer meet the demand of cooling. Through the transformation of the middle stop system, the technical parameters have been improved, and the water quantity, pressure and quality have been improved. The indoor monitoring of the water consumption point is completed, and a water supply and return system of one machine is completed. The alarm of low water quantity and pressure is given, the hidden danger of accident is eliminated, the water quantity and pressure conditioning are balanced, the problem that the water supply is greater than the return water quantity is solved, and the safe consumption of the refining furnace is ensured. Two 30 ton LF refining furnaces in Guangzhou. The finite element simulation method is used to simulate the shrinkage process of the large shrinkage shrinkage pipe, and the results are similar to the dynamic tensile test under the downhole temperature field. In some radio products, silver plated aluminum oxide plate is required. But how to deal with the problem that it is difficult to electroplating aluminum oxide plate materials (parts) without special treatment? Various experiments have been done repeatedly, and the following better methods have been summarized. After mechanical processing, heat treatment, welding and other technological measures, the surface of aluminum oxide plate will produce a layer of oxide skin. It is difficult to remove the oxide scale by pickling before the ordinary ferrous metal plating, which is one of the reasons for the difficulty in electroplating. The oxide skin on the surface of aluminum oxide plate mainly contains: Fe2O3, fe2o3mh, Fe3O4, Cr2O3, SiO2, TiO2 and spinel. In order to be able to electroplate, it is necessary to remove the pre-treatment of these aluminum oxide plates.
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