How to urgently start the booster pump within five minutes?
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Due to grid issues, the booster pump may stop operating; however, failing to keep the booster pump running for an extended period will definitely cause the regenerator to overheat. How can the booster pump be started again within a few minutes? What important tasks need to be done?
This post was last edited by B0SS on 2016-2-16 23:06. This is a bit troublesome! If one tries to protect themselves, it will only cause more trouble. Fortunately, only the sleeve and the external heat exchanger of our unit use pressurized air, and luckily we have two compressors, one in operation and one as a backup. Additionally (I don’t tell ordinary people this), through technical modifications, we installed unpurified air bypass lines for both the sleeve fluidization air and the external heat exchanger fluidization air. If the booster pump stops working, it’s no problem – just allow unpurified air to flow in, which will buy enough time to restart or repair the booster pump. If you’re satisfied with the answer, could you give me an award for Best Answer? :$
Well, it’s the same with us as well; the pressurized air is used to ensure fluidization and heat extraction, and both systems are equipped with safety mechanisms. We also have non-purified air, whose role is to prevent the catalyst from moving backwards in the absence of pressurized air. So how is that achieved? Shorter time
Is the guy asking about the shortest time to recover quickly after stopping? In this case, it will take about one and a half minutes to quickly reset the self-protection system. At the same time, contact the operator to close the butterfly valve at the inlet of the booster pump, in order to prevent excessive starting current when restarting, and then proceed with the normal startup procedures. When integrating the pressurized air, it is important to ensure that the opening degrees of the two automatic control valves for returning the main air and sending it to the external heat exchanger are coordinated with the opening degree of the valve for allowing unpurified air to bypass, in order to avoid pressure fluctuations. After going through a series of operations, it takes about five minutes.
Well, start the backup unit directly, but there are conditions related to oil pressure, oil temperature, and valve positions that need to be met; these conditions cannot be satisfied in a short period of time. Normally, these conditions have to be fulfilled before the unit can be used. Can the unfiltered air alone be used to initiate fluidization? We haven’t tried this; the design specifies it to prevent the catalyst from flowing back into the pipelines when the booster is turned off
In this case, it’s even faster to simply start the booster that has just been shut down, as the oil temperature and pressure can be adjusted more quickly. Starting a backup unit is slower, as the oil temperature takes a long time to rise. If there is sufficient unpurified air flow, complete fluidization is not a problem; generally, heat removal from large catalytic units relies on recirculation. We have a small unit that doesn’t have any booster pump; the external heat exchanger is of the downflow type, and the amount of catalyst is controlled by a lower slide valve, which makes regulation much simpler and more effective than the recirculation method.
Even by using a booster pump, the pressure increase is only 0.05–0.1 Mpa; using unpurified air poses no major problems, but it is necessary to ensure proper dehydration. If possible, it’s best to install some heat tracing along these pipelines! Furthermore, such practices are not recommended; it is more reliable to use the equipment according to the regulations. If nothing goes wrong, you’re just lucky, but if something does happen, you’ll have big problems.
After the machine stops, the electrical protection system comes into effect, preventing it from starting immediately; it can only be started again after 600 seconds
Then your boosters are too high-end, haha. Ours is very simple: the pressure booster’s self-protection mechanism is at the lowest level available; it doesn’t need to be activated on a regular basis, to avoid any problems that might arise if it is used. Starting and stopping it is not much different from ordinary pump machines.
I’ve never encountered it, so I don’t dare to take it lightly; if something really does happen, no one will be able to handle it