Pressure reducing device for natural gas pipeline transportation and using method thereof

• Main Authors: QIU GANG, FENG TIAN'EN, LIU ZHAOHU, YANG YANG, LI JIEFENG, MEI DUNYONG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPE-LINE SYSTEMS; PIPE-LINES; PIPES; STORING OF DISTRIBUTING GASES OR LIQUIDS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention relates to the field of natural gas conveying, in particular to a pressure reducing device for natural gas pipeline conveying and a using method thereof.The pressure reducing device comprises a gas inlet pipe, a gas outlet pipe is arranged on the front side of the gas inlet pipe, and a pressure reducing part is installed between the gas inlet pipe and the gas outlet pipe; an adjusting plate capable of ascending and descending and used for adjusting pressure is slidably installed between the adjusting groove and the sliding groove, a plurality of adjusting holes are formed in the adjusting plate, the adjusting holes are located in the communicating position of the air inlet cavity and the air exhaust cavity, and the upper portions of the adjusting holes are wide, and the lower portions of the adjusting holes are narrow; natural gas can move towards the exhaust cavity through the upper side and the lower side of the gas inlet cavity when entering the gas inlet cavity, so that the requirement for h