1. Check whether the kettle, stirrer, rotating parts, ancillary equipment, indicating instruments, safety valves, pipelines and valves meet the safety requirements.
2. Check whether water, electricity and gas meet the safety requirements.
Second, in the boot
1. Before adding materials should be opened stirrer, no noise and normal, the material will be added to the kettle, the amount of material shall not exceed the process requirements.
2. Before opening the steam valve, open the return valve first, and then open the inlet valve. Open the steam valve should be slow, so that the jacket preheating, gradually increase the pressure, the jacket pressure is not allowed to exceed the specified value.
3. Steam valve and cooling valve can not be started at the same time, steam pipeline through the gas is not allowed to hammer and collision.
4. When opening the cooling water valve, first open the return valve, then open the water valve. Cooling water pressure shall not be less than 0.1 MPa, not higher than 0.2 MPa.
5. Weihai Huanyu Chemical Machinery Co., Ltd. reminds you of the water ring vacuum pump, to start the pump after the water, stop the pump, stop the pump after stopping the water, and should be removed from the pump water.
6. Check the operation of the equipment at any time, found abnormalities should be shut down for maintenance.
7. cleaning titanium epoxy (enamel) equipment, not allowed to use alkaline water brush kettle, pay attention not to damage the enamel.
Three, after the shutdown
1. Stop mixing, cut off the power supply, close all kinds of valves.
2. Shoveling the pot must cut off the mixer power, hanging warning signs, and set up a person to monitor.
3. The reactor must be required to carry out periodic technical inspection of pressure vessels, unqualified test, shall not be opened for operation.
The above information comes from: Weihai Huanyu Chemical Machinery. For reference only