它能根據工件形狀、尺寸制作，可以拼接、彎曲、纏繞緊貼工件加熱，表面溫度可達1000℃。具有使用范圍廣、升溫速度快、熱利用率高、節(jié)能明顯、勞動強度低、操作方便等特點。適用于各種金屬構件，如大型塔器、高壓容器、橋梁、高壓管道的焊接預熱、焊后消除應力，亦可用于化工管道、容器等的輔助加熱，是一種理想的局部加熱設備。
  長寬尺寸可以靈活改變制作的履帶式陶瓷電加熱器，應視工件的幾何形狀、壁厚及熱處理工藝要求選擇相應的規(guī)格。下表只有列部分規(guī)格。另外履帶式加熱器還可以配以保溫材料及外殼，做成自保溫的加熱器，其形狀可以是平板、直角等，方便使用。
  陶瓷履帶加熱器用于局部熱處理主要用于焊攘預熱及退火?？梢耘c工件接觸加熱，可以彎曲,折疊,燃燒，它適用于各種金屬構件，如管道、大型容器的焊前預熱，中間消氫和焊后的局產部熱處理。
  履帶式加熱器用于局部熱處理具有加熱速度快，熱利用軍高，節(jié)能明顯，勞動強度低，使用安全可靠、操作方便的優(yōu)良性能，是目前焊接界--種穎實用的理想局部熱處理加熱器。最高工作溫度1000C(理論最高溫度為1050℃）。

It can be made according to the shape and size of the workpiece, and can be spliced, bent, wound and heated close to the workpiece. The surface temperature can reach 1000 ℃. The utility model has the advantages of wide application range, fast temperature rise, high heat utilization rate, significant energy saving, low labor intensity, convenient operation, etc. It is suitable for welding preheating and post welding stress relief of various metal components, such as large towers, high pressure vessels, bridges, high pressure pipelines, and also for auxiliary heating of chemical pipelines, vessels, etc. It is an ideal local heating equipment.
The caterpillar ceramic electric heater, whose length and width can be flexibly changed, shall be selected according to the geometric shape, wall thickness and heat treatment process requirements of the workpiece. The following table only lists some specifications. In addition, the crawler type heater can also be equipped with thermal insulation materials and shell to form a self insulation heater, which can be flat or rectangular in shape for easy use.
Ceramic crawler heater is used for local heat treatment, mainly for welding preheating and annealing. It can contact with the workpiece for heating, bending, folding and burning. It is applicable to the pre welding preheating, intermediate hydrogen elimination and local heat treatment after welding of various metal components, such as pipes and large vessels.
Crawler type heater used for local heat treatment has the advantages of fast heating speed, high heat utilization, significant energy saving, low labor intensity, safe and reliable use, and convenient operation. It is an ideal local heat treatment heater for welding industry --- Zhong Ying. The maximum working temperature is 1000C (the theoretical maximum temperature is 1050 ℃).