摘要：【中文】本发明公开了酸化压裂用暂堵转向纤维在线预混添加装置及工艺流程，包括底板，所述底板的上表面中心处焊接有搅拌罐，所述底板的上表面一侧安装有输入电机和输入罗茨泵，所述底板的上表面另一侧安装有输出电机和输出罗茨泵；本发明通过输入电机配合输入罗茨泵，将暂堵纤维携带液泵入搅拌罐内，然后通过投料口加入暂堵纤维，再通过输出电机配合输出罗茨泵，将搅拌罐内的预混料泵入至混砂车内，完成对暂堵转向纤维在线预混，使得暂堵纤维混合均匀、使用方便，加量大，避免了施工管线堵塞的情况出现，纤维加入浓度可控，同时，避免了使用风机将纤维吹入混砂车内输送困难的情况出现，暂堵纤维加入过程中，不会出现有纤维从缝隙处泄漏的情况。 【EN】The invention discloses an online premixing and adding device for temporary plugging steering fiber for acid fracturing and a process flow, wherein the online premixing and adding device comprises a bottom plate, wherein a stirring tank is welded at the center of the upper surface of the bottom plate, an input motor and an input roots pump are installed on one side of the upper surface of the bottom plate, and an output motor and an output roots pump are installed on the other side of the upper surface of the bottom plate; according to the invention, the temporary plugging fiber carrying fluid is pumped into the stirring tank by matching the input motor with the input Roots pump, then the temporary plugging fibers are added through the feeding port, then the output motor is matched with the output Roots pump, and the premix in the stirring tank is pumped into the sand mulling vehicle, so that the on-line premixing of the temporary plugging steering fibers is completed, the temporary plugging fibers are uniformly mixed, the use is convenient, the adding amount is large, the condition of plugging a construction pipeline is avoided, the fiber adding concentration is controllable, meanwhile, the condition of difficult conveying when a fan is used for blowing the fibers into the sand mulling vehicle is avoided, and the condition of fiber leakage from gaps in the adding process of the temporary plugging fibers is avoided.