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鋁卷預熱過程中常見的問題及均勻性?

來源:http://www.fuzore.com  發布時間:2019-08-16 15:56:36  

  鋁棒在進入擠出機前要預熱。傳統觀念,也許㊣酒吧必須在爐內加熱固溶溫度、鋁卷但經驗表明,現在還不確定。鋁棒預熱器無需達到固溶溫度,只要鋁棒正確澆注均勻即可。
  Aluminum rods should be preheated before entering the extruder. Traditionally, bars may have to heat solution temperatures and aluminium coils in ovens, but experience has shown that it is not yet certain. Aluminum rod preheater does not need to reach solution temperature, as long as the aluminium rod is properly poured uniformly.
  鋁棒在進入擠出機前要預熱。傳統的想法,也許,爐內的酒吧必須加熱到固溶溫度、Ⅻ但經驗表明,現在還不確定。只要棒材澆鑄正確、均勻化,棒材預熱器中不需要達到固溶溫度。在現代鋁擠壓設備中,@鋁棒爐的唯一目的是軟化金屬。如果金屬加熱不足以銷售鋁盤管,鋁盤管的銷售計算公式將無法順利通過模具。如果鋁棒被加熱到過熱,擠出速度必須非常低。
  Aluminum rods should be preheated before entering the extruder. Traditionally, bars in ovens may have to be heated to solid solution temperatures and_, but experience has shown that it is not yet certain. As long as the bar is cast correctly and evenly, the solution temperature in the bar preheater does not need to be reached. In modern aluminium extrusion equipment, the sole purpose of @aluminium bar furnace is to soften metals. If the metal heating is not enough to sell the aluminum coil, the sales calculation formula of the aluminum coil will not pass through the die smoothly. If the aluminium rod is heated to overheat, the extrusion speed must be very low.
  鋁棒預熱區溫度測量的典型問題有:
  Typical problems of temperature measurement in aluminium bar preheating zone are as follows:
  1.兩點熱電偶讀數會很低
  1. Two-point thermocouple readings will be very low
  2.兩點熱電偶的日常維護經常被忽略
  2. Daily maintenance of two-point thermocouples is often neglected.
  3.均勻化熱處理溫度是鋁棒的關鍵參數
  3. Homogenization heat treatment temperature is the key parameter of aluminium bar

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  4.操作人員容易使鋁棒過熱
  4. Operators can easily overheat aluminium rods.
  5.操作者傾向于通過降低擠出速度來微調鋁棒在擠出過程中的溫度變化
  5. Operators tend to fine-tune the temperature change of aluminium rods during extrusion by reducing extrusion speed.
  6.過熱和緩慢擠壓浪費預熱能源
  6. Overheating and Slow Extrusion Waste Preheating Energy
  鋁棒應加熱到可擠出的低溫度,鋁卷的銷售規格也必須確保擠出機出口溫度達到目標值。通過降低鋁棒的預熱溫度,可以提高擠壓速度,如何提高鋁量的銷售價格,使加熱爐的能耗降低。實踐證明,經濟數據表明,這樣的改造可以節約燃氣加熱爐15-20%的能源消耗。
  Aluminum bars should be heated to the lowest extrudable temperature, and the sales specifications of aluminium coils must ensure that the extruder outlet temperature reaches the target value. By reducing the preheating temperature of aluminium rod, the extrusion speed can be increased, and how to increase the selling price of aluminium quantity can reduce the energy consumption of heating furnace. Practice has proved that the economic data show that this transformation can save 15-20% of the energy consumption of gas heating furnace.
  對于廉價進口燃氣加熱器,采用兩點熱電偶測量鋁棒間隔溫度。因為這種儀器維護要求高,Ⅴ使用這種儀器本身的優點,還是非常昂貴的維護鋁卷銷售、鋁卷銷售測試報告或失去準確性。一些鋁擠壓廠已經開始使用非接觸傳感器來檢測和控制鋁棒加熱段的溫度。不僅減少了依賴聯系熱電偶溫度計,⒇,減少了維護問題由于儀器本身的局限性和準確性。
  For cheap imported gas heater, two-point thermocouple is used to measure the interval temperature of aluminium rod. Because of the high maintenance requirements of this instrument, V uses the advantages of this instrument itself, or very expensive maintenance of the sales of aluminium coil, aluminium coil sales test report or loss of accuracy. Some aluminium extrusion plants have begun to use non-contact sensors to detect and control the temperature of the heating section of aluminium bars. It not only reduces the dependence on the thermocouple thermometer, _, but also reduces the maintenance problems due to the limitations and accuracy of the instrument itself.
  在感應加熱爐系統中,紅外溫度傳感器直接對準鋁棒表面的直銷力,vii可以直接了解溫度“產生頂進”,從而減少兩點熱電偶使用中的不一致性。同樣,為燃氣熱水器,傳感器可以安裝在爐出口(擠壓管入口)理解鋁棒的表面溫度,Ⅱ也用于正確的爐內的溫度熱電偶或紅外測溫儀溫度偏差。鋁棒溫度測量部分酒吧是理想的位置,Ⅵ檢查均熱段溫度。測量側面的溫度也因為這一面會先接觸模具。
  In the induction heating furnace system, the infrared temperature sensor directly aligns with the direct force on the surface of the aluminium rod, VII can directly understand the temperature "jacking", thus reducing the inconsistency in the use of the two-point thermocouple. Similarly, for gas water heaters, sensors can be installed at the furnace outlet (extrusion tube inlet) to understand the surface temperature of aluminium rods. II is also used for correct temperature deviation of thermocouples or infrared thermometers in the furnace. Aluminum bar temperature measurement part of the bar is the ideal location, VI check the soaking section temperature. The temperature of the side is also measured because this side will contact the die first.
  對于梯度加熱鋁棒,可以在鋁棒輸送帶的一側安裝一個傳感器來了解鋁盤管的銷售溫度,也可以安裝兩個傳感器來測量鋁棒的兩段溫度。準確的梯度加熱溫度對鋁棒連續進入擠出機至關重要。不準確的溫度測量會使梯度加熱失去意義。
  For gradient heated aluminium rods, a sensor can be installed on one side of the aluminium rod conveyor belt to understand the sales temperature of the aluminium coil, and two sensors can be installed to measure the temperature of the two sections of the aluminium rod. Accurate gradient heating temperature is essential for continuous entry of aluminium rods into the extruder. Incorrect temperature measurements can make gradient heating meaningless.
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  Above is the related content that the aluminium coil manufacturer sorted out for you. For more information, please visit the website: http://www.fuzore.com.

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