초록 ▼

The operating system of a gas engine accommodating to sour gas comprises a sour gas compressing and feeding part including a compressor 11 and a gas engine 12, a pre-membrane-treatment 13 for obtaining a compressed gas of proper temperature 13a removed of oil, solid mixture, etc. from the high press

The operating system of a gas engine accommodating to sour gas comprises a sour gas compressing and feeding part including a compressor 11 and a gas engine 12, a pre-membrane-treatment 13 for obtaining a compressed gas of proper temperature 13a removed of oil, solid mixture, etc. from the high pressure, high temperature sour gas 11a discharged from the compressor, a preceding step filter 18 for removing a minute amount of oil and water contained in the branched off gas 13b of the compressed gas of proper temperature 13a, a membrane separator for separating the gas from the filter 18 into sweet gas 21 and the hydrogen sulfide gas, and an adsorptive separator 20 through which sweet gas is obtained only at the time of starting of the compressor 11.

대표청구항 ▼

The operating system of a gas engine accommodating to sour gas comprises a sour gas compressing and feeding part including a compressor 11 and a gas engine 12, a pre-membrane-treatment 13 for obtaining a compressed gas of proper temperature 13a removed of oil, solid mixture, etc. from the high press

The operating system of a gas engine accommodating to sour gas comprises a sour gas compressing and feeding part including a compressor 11 and a gas engine 12, a pre-membrane-treatment 13 for obtaining a compressed gas of proper temperature 13a removed of oil, solid mixture, etc. from the high pressure, high temperature sour gas 11a discharged from the compressor, a preceding step filter 18 for removing a minute amount of oil and water contained in the branched off gas 13b of the compressed gas of proper temperature 13a, a membrane separator for separating the gas from the filter 18 into sweet gas 21 and the hydrogen sulfide gas, and an adsorptive separator 20 through which sweet gas is obtained only at the time of starting of the compressor 11. ce, comprising: a heating chamber configured to contain molten metal and including a heating device for heating the molten metal received in the heating chamber; a pump chamber located adjacent the healing chamber and housing a molten metal pump, with the pump having an inlet in fluid communication with the heating chamber and having an outlet; a degassing chamber located adjacent the pump chamber and housing a degassing mechanism, with the outlet of the pump in fluid communication with the degassing chamber for providing molten metal to the degassing chamber; and a filter chamber located adjacent and in fluid communication with the degassing chamber, with the filter chamber including a molten metal filter for filtering molten metal flowing through the filter chamber, wherein the pump is configured to circulate molten metal through the degassing chamber and filter chamber during operation of the pump, and wherein a common wall separates the heating chamber from the pump, degassing, and filter chambers. 8. The molten metal supply system of claim 7, wherein the degassing mechanism is a rotary degassing mechanism. 9. The molten metal supply system of claim 7, wherein the molten metal filter is configured to filter particles larger than about 50-80 microns. 10. The molten metal supply system of claim 7, wherein the heating device is a burner located adjacent the heating chamber. 11. A method of supplying molten metal to a casting machine, comprising: a casting mold defining a mold cavity for casting metal components, a holder furnace located beneath the casting mold for supplying molten metal to the mold cavity, and a melter furnace externally positioned adjacent the holder furnace for supplying molten metal to the holder furnace, the melter furnace in fluid communication with the holder furnace through a first conduit for supplying molten metal to the holder furnace, and through a second conduit for recirculating molten metal from the holder furnace to the melter furnace, with the melter furnace further comprising: a heating chamber configured to contain molten metal and including a heating device for heating the molten metal received in the heating chamber; a pump chamber located adjacent the heating chamber and housing a molten metal pump, with the pump having an inlet in fluid communication with the heating chamber and having an outlet; a degassing chamber located adjacent the pump chamber and housing a degassing mechanism, with the outlet of the pump in fluid communication with the degassing chamber for providing molten metal to the degassing chamber; and a filter chamber located adjacent and in fluid communication with the degassing chamber, with the filter chamber including a molten metal filter for filtering molten metal flowing through the filter chamber, wherein the pump is configured to circulate molten metal through the degassing chamber and filter chamber during operation, and wherein a common wall separates the heating chamber from the pump, degassing, and filter chambers; the method comprising steps of: filling the melter furnace with molten metal; heating molten metal in the heating chamber; pumping molten metal from the heating chamber to the degassing chamber and the filter chamber with the pump; degassing die molten metal in the degassing chamber; filtering the molten metal in the filter chamber; supplying degassed and filtered molten metal to the holder furnace through the first conduit; and continuously recirculating molten metal from the holder furnace to the heating chamber through the second conduit. 12. The method of claim 11, further comprising the step of supporting a plurality of molten metal injectors from a bottom side of the casting mold, with the injectors configured to provide fluid communication between the holder furnace and the casting mold. 13. The method of claim 12, wherein the holder furnace defines a molten metal receiving chamber having a plurality of vertica