Please tell me about driving and test-running in chemical industry

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This is a simulation question for a competition. During the exothermic reaction process, under the action of catalyst C, raw material A reacts with raw material B to produce main product D and by-product E. The reaction equation is as follows: main reaction: 2A + B —> D side reaction: A + B —> E Among them, the main product D is the desired product, the by-product E is an impurity, and both the main and side reactions are strongly exothermic reactions. In order to obtain a higher reaction conversion rate, a process in which excess raw material A is used. The process under normal working conditions is as follows: Raw material A and raw material B are transported into the mixing tank V101 (vertical circular tank) by the raw material A feed pump and the raw material B feed pump respectively. After the mixed material is heated by the preheater E101, it enters the exothermic reactor R101 for reaction. The catalyst C required for the reaction is added from the top of the reactor by the catalyst C delivery pump P103. During the reaction process, the reaction generates strong heat, so reactor R101 adopts jacketed water cooling. The reaction conversion rate is related to the reaction temperature, residence time, reaction material concentration and mixing ratio. The gas phase pressure of the reaction system is sensitive to temperature. Under high temperature conditions caused by cooling failure, excessive gas phase pressure puts the reactor at risk of explosion. An inhibitor is installed at the top of the reactor. When the reaction pressure is too high and endangers safety, the inhibitor F is introduced to rapidly poison and deactivate the catalyst C, thereby stopping the reaction. The cooling water absorbs the heat released by the reactor to form hot water. The hot water is directed to the E101 preheater to preheat the feed to recover part of the heat. The excess hot water is directed to the public works. The product at the bottom outlet of reactor R101 contains product D, impurity E, catalyst C, unreacted raw material A and a small amount of raw material B. In order to recover raw material A, a flash tank V102 is set up downstream of the reactor to separate and purify excess raw material A in the mixed product (D+E+C+A+B) for recycling. The mixed product (D+E+C+A+B) at the bottom of the flash tank V102 is pressurized by the transfer pump and sent to the downstream separation process for purification and refinement to separate product D. I would like to ask if driving is input production? So is there a sequence for opening and closing each valve and pump? According to this process, which valve should be opened first and which valve should be opened last? ?