Sampler Installation and Sampling Steps
Installation procedure
1. Install （the insertion pipe） on the corresponding nozzle of the reactor and fasten the bolts.
2. Separate the lower end （base） of the sampling system from （diaphragm valve 1）, and install （base） to the upper end of （insertion pipe）.
3. Put the Teflon outer flanging （suction pipe） into the inner cavity of the （base）,and the Teflon outer flange of （the suction pipe） is matched at the sealing surface of the （valve seat）.
4. Connect and tighten the rest of the sampling system body to ensure that the sealing part of （base） is tight and without leakage.
Sampling procedure
1. Confirm and check befcre starting:
a: All diaphragm valves are closed.
b: There is no residue inside and outside the sampling system, and no damage to the sightglass.
c: Fill the diaphragm pump with 0.2~0.3 MPa clean air pressure.
d: 0.2~0.3 MPa nitrogen gas source is used for back blowing.
e: One spare 150/250 ml borosilicate glass sampling bottle is needed.
2. Circulation Loop:
a: Open （valve 1） — open （valve 2）.
b: Open （diaphragm pump）. The pump works.
c: Observe （sightglass）. The window is filled with medium, and a sampling circulation loop state is formed at the same time.
3. Sampling:
a: Press （sampling valve handle）. Observe the dosage of the sampling bottle and release the handle of the sampling valve in time.
b: Turn off （diaphragm pump）.
c: The exhausting process in the sampling bottle.
c1: When the tank is with atmospheric pressure: open （diaphragm valve 3） – close （diaphragm valve 3）.
c2: When the pressure in the tank is less than or equal to 0.2MPa: open （Teflon needle valve） – close （Teflon needle valve）.
Note: discharge the harmful gases to a safe storage device.
d: Remove the （sampling bottle） and seal the bottle mouth – put in （spare sampling bottle）.
e: Open （diaphragm valve 4） – make （nitrogen） to blow the re-sidual medium in the system back into the vessel – close （dia-phragm valve 4）.
f: Close （diaphragm Valve 2） – Close （diaphragm Valve 1）.
g: Sampling complete.
Description of the Cleaning Process of the Reactor with Automatic Sampling SystemDuring the cleaning process of the whole reactor, the internal cleaning and purging of the sampling system can be carried out according to the above sampling steps.
