39results about How to "Guaranteed dose" patented technology

The invention relates to the field of hardware etching automatic adding, and discloses a hardware etching automatic adding system and a circulation control method thereof.The hardware etching automatic adding system comprises a circulation system and a control system, the circulation system comprises a working cylinder and a sampling box, and liquid medicine circularly flows between the working cylinder and the sampling box; the control system comprises a main controller, a sensor module and a liquid adding pump set, the sensor module is used for detecting the copper ion concentration in the sampling box and the ion concentration and oxidation intensity of hydrochloric acid, the sensor module outputs signals to the main controller, and the main controller controls the liquid adding pump set to pump water, hydrochloric acid and an oxidizing agent into the working cylinder. Therefore, real-time monitoring and accurate adjustment of liquid medicine parameters are realized, and manual intervention and medicine loss are reduced.