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電熱管使用及保存注意的事項

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報價:面議

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1、電熱管應做好定位固定,有效發熱區必須全部浸入液體或金屬固體內,嚴禁空燒。發現管體表面有水垢或結碳時,應及時清除干凈再用,以免影晌散熱而縮短使用壽命。
1, the electrothermal pipe should be fixed, effective heating zone must be fully immersed in a liquid or solid metal, no air burning. Found the body surface scaling or carbon, should be cleaned and then, to avoid affecting heat and shorten the service life.
2、加熱易熔金屬或固態硝鹽、堿、瀝清、石臘等時,應先降低使用電壓,待介質熔化后,才能升至額定電壓。 3、元件允許在下列條件下工作: A.空氣相對濕度不大于95%,無爆炸性和腐蝕性氣體。 B.工作電壓應不大于額定值的1.1倍,外殼應有效接地。 C.絕緣電阻≥1MΩ 介電強度:2KV/1min。
2, heating the fusible metal or solid salt, alkali, asphalt, paraffin, should reduce the use of voltage for medium, after melting, can rise to the rated voltage. 3, element allowed under the following conditions: A. air relative humidity of not more than 95%, non explosive and corrosive gases. B. working voltage should be not greater than 1.1 times the rated value, the shell should be effectively grounded. C. insulation resistance than 1M Ω dielectric strength: 2KV/1min
4、加熱空氣時元件應交叉均勻排列,使元件有良好的散熱條件,使流過的空氣能充分加熱。
4, heating the air element shall be uniformly arranged so that the element cross, has good heat dissipation conditions, so that the air can be fully heated.
5、加熱硝鹽時應考慮安全措施,預防爆炸事故。
5, heating nitrate should consider security measures, prevention of explosion accident.
6、元件應存放在干燥處,若步進電機長期放置絕緣電阻低于1MΩ時,可在200℃左右的烘箱中干燥,或降低電壓通電加熱,直至恢復絕緣電阻。
6, components should be stored in a dry place, if the long-term placement of stepping motor insulation resistance of less than 1M ohm, can be in the oven at 200 ℃ drying, or lower voltage electric heating, until the return of insulation resistance.
7、電熱管出線端的氧化鎂粉,在使用場所避免受到污染物與水分滲入,防止漏電事故的發生。
7, electric heating pipe outlet of magnesium oxide powder, used in place to avoid contamination and the ingress of moisture, prevent the occurrence of leakage accident.
8、接線部分應放在保溫層外面,避免與腐蝕性、爆炸性介質、水份接觸;引接線應能長期承受接線部分的溫度及加熱負載,接線螺絲緊固時應避免用力過猛
8, part of the wiring should be placed on the outside of the insulation layer, avoid contact with corrosive, explosive medium, moisture; wiring should be able to bear long-term connection portion of the temperature and heating load, a wiring screw fastening should avoid excessive force

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