reciprocating compressor

Please give me some advice:lol:lol

1. Before no-load start, because the intake valve plate is forced down, the intake valve is in a normally open state, and there is no compression process in the cylinder, so the exhaust valve plate will not open and the compressor is in a no-load state. There is no boosting process. 2. Nitrogen is always on and discharged into the torch or high point for venting.

If the air valve does not have an automatic opening mechanism, do I need to open the inlet valve?

1. Is the outlet valve open or closed when the reciprocating compressor is started under no load? answer: For reciprocating compressors, the intake valve must be fully open, the circulation valve must also be fully open, and the vent valve without a circulation valve must be fully open to ensure minimum load startup of the equipment. When the pressure is adjusted to a certain value, the pressure outlet valve can be fully opened. If it is a check valve to ensure it works well, you can open the pressure outlet valve first. When the pressure reaches the standard, it will automatically enter the system for air supply. 1.1 If the inlet valve is closed, will the inlet pipeline be deflated? answer: It will damage the equipment. This type of equipment is usually equipped with a buffer tank, which is relatively weak. It will also cause damage to the machinery. 1.2 If the inlet valve and return line are both open, will the pressure get higher and higher during the self-circulation process? answer: No. 1.3 If the load is gradually increased, will the safety valve jump because the outlet valve is opened too slowly? answer: Maybe, please refer to the answer to the first question. 2. Is the nitrogen filled in the compressor stuffing box and middle body always turned on during operation? And then vented to the flare or atmosphere? answer: This is a dynamic sealing facility. This system must be put in before use to prevent harmful materials from leaking and reacting with oil. The final suggestion is to find some relevant information about piston compressors. These are basic knowledge.

1. If there is no upward opening of the air valve mechanism, if the intake valve is fully opened, the vent valve or circulation valve is also opened, wouldn't it also start at full load? 2. The compressor is also doing work during the self-circulation process, so why doesn’t the pressure get higher and higher?

1. If there is no upward opening of the air valve mechanism, if the intake valve is fully opened, the vent valve or circulation valve is also opened, wouldn't it also start at full load? answer: The reciprocating compressor is a positive displacement compressor. As long as it does not generate pressure or does not generate pressure as much as possible, it is considered to be started with minimum load. (Open the valve mechanism? I have never experienced this term, sorry. ) 2. The compressor is also doing work during the self-circulation process, so why doesn’t the pressure get higher and higher? answer: Yes, self-circulation is also doing work, but it is at the expense of the gradual increase in suction temperature and cylinder temperature. It is not possible for a long time, it is only possible during the startup of the device. As for why the pressure does not rise, it is because the intake volume is equal to the discharge volume. The pressure is different but the volume is equal, so the pressure will not rise. It is suggested that discussing issues is best addressed using relatively standard equipment. When you say "open the valve", do you mean the safety valve or cylinder valve plate (cylinder valve plate)?

The process of reflow: The high-pressure gas expands into low-pressure gas (the same as the inlet pressure), and is sucked into the compressor to become high-pressure gas, so the pressure will not get higher and higher.

It’s the one on the 5th floor. It’s quite comprehensive. Anyone who passes by can learn from it.* .