York Propane Compressor Maintenance, Overhaul, Upgrade and Retrofit Services

The natural gas produced from gas wells enters the gas gathering station. After throttling, methanol injection, separation, and filtration, it enters the natural gas processing plant through the main gas gathering pipeline. The raw natural gas exhibits retrograde condensation. During pipeline transportation, when the pressure and temperature decrease, liquid will precipitate, which cannot meet the requirements of the water dew point and hydrocarbon dew point of the product natural gas at - 13°C. Therefore, the natural gas needs to be de - oiled and de - hydrated.

Generally, natural gas processing plants adopt the low - temperature condensation process for de - oiling. The low - temperature condensation process is to cool the natural gas to a relatively low temperature under a certain pressure. By taking advantage of the different volatilities of various components in the natural gas, some components are condensed into liquid, and then separated from the natural gas through separation equipment. According to the actual situation of the gas field, with the aim of controlling the water and hydrocarbon dew points of the exported natural gas to meet the requirements of users, only the external cooling source refrigeration method needs to be adopted. Condensing the natural gas to - 20°C - 30°C can remove water and liquid hydrocarbons to meet the requirements.

The York natural gas de - hydration and de - hydrocarbon compressors use propane (R290) as the refrigerant. Under normal temperature conditions, propane is colorless, odorless, flammable, and explosive. It is an environmentally friendly and healthy refrigerant. It has a small latent heat of vaporization and a small refrigeration capacity per unit volume. The suitable refrigeration temperature is - 35°C - 40°C.

The York propane compressor compresses the R290 gas and discharges it from the exhaust port. The lubricating oil in the refrigerant is separated in the oil separator, cooled to an appropriate temperature by the oil cooler, and then returns to the compressor.

The R290 gas is condensed into a liquid in the air - cooled condenser and cooled in the economizer. After throttling, the cooled refrigerant liquid enters the flooded evaporator. In the evaporator, the low - temperature refrigerant cools the secondary refrigerant and at the same time evaporates into a gas and returns to the compressor, restarting the cycle.

At present, the main product series of propane compressors installed and used in China include RWB, RXF, RWF, etc.

These compressors are used in oil and gas fields, natural gas production plants, gas storage reservoirs, LPG storage depots, and other places.