The daily maintenance of stone mill flour mill includes the detection of dust, temperature, noise and humidity. Pay close attention to daily changes and strictly control to reduce the error to a small extent. The specific maintenance and operation points of stone flour mill are as follows:

日常维护及校验维修中对影响检验结果的因素，如粉尘、温度、湿度、振动、噪音、腐蚀等因素要密切注意，严加控制，减小误差。要保证所有仪器工作台面固定、平整，符合使用要求。

During routine maintenance and calibration maintenance, pay close attention to the factors affecting the inspection results, such as dust, temperature, humidity, vibration, noise, corrosion and other factors, and strictly control them to reduce the error. Ensure that all instrument worktops are fixed, flat and meet the use requirements.

所有面粉机仪器使用后应及时清理和还原，以保证下次实验的顺利进行。用电设备应安装与额定功率相符的独立电源开关，并有良好的接地线，个别石磨面粉机设备应根据说明书的要求配备稳压电源。

All flour mill instruments shall be cleaned and restored in time after use to ensure the smooth progress of the next experiment. The electrical equipment shall be equipped with an independent power switch consistent with the rated power and have a good grounding wire. Individual stone mill flour mill equipment shall be equipped with regulated power supply according to the requirements of the manual.

使用仪器的相关人员应学习相应法律、法规及管理制度，所有操作人员应获得资格证或经培训合格才能进行仪器操作。对于玻璃仪器管理，应保持洁净干燥，分类存放。

Relevant personnel using the instrument shall learn relevant laws, regulations and management systems, and all operators shall obtain qualification certificates or be trained to operate the instrument. Glassware management shall be kept clean and dry and stored by category.

玻璃仪器的洗涤很重要，一般应保证清洗洁净透亮不挂水珠。一般应避免玻璃仪器直接加热，确须加热时，应使用石棉网缓慢均匀加热，以免损坏器具，发生爆 炸，造成事故。在滴定管旋塞部位应涂抹凡士林，且要用橡皮筋系于漏斗颈上，避免滑出。这些都可以避免石磨面粉机器的磨损，有利于延长机械的寿命。

The washing of glassware is very important. Generally, it should be clean and bright without water droplets. Generally, direct heating of glass instruments shall be avoided. When heating is really necessary, asbestos mesh shall be used to heat slowly and evenly, so as to avoid damaging appliances, explosion and accidents. Vaseline shall be applied to the burette cock and tied to the funnel neck with a rubber band to avoid slipping out. These can avoid the wear of the stone flour machine and prolong the service life of the machine.