Course Project Gas Supply Discipline - Design of Gas Supply Distribution Systems

Contents

Contents

Introduction

Project Assignment

1. Design of gas supply to the city district

1.1.Determination of population

1.2. Determination of annual gas expenditures

1.2.1. Gas consumption for household needs (cooking and hot water)

1.2.2. Gas consumption by utilities and public buildings (baths, catering, health and bakery)

1.3.Define Estimated Gas Hourly Flow Rate

2. Hydraulic calculation of gas pipelines

2.1.Hydraulic calculation of low pressure gas pipelines

2.2.Hydraulic calculation of medium pressure gas pipelines

2.3.Hydraulic calculation of intra-quarter gas pipelines

2.4.Hydraulic calculation of in-house gas pipelines

3. Gas control station design

3.1.Addition of pressure regulator

3.2.Filter selection

3.3. Determination of pressure losses in valves, local resistances and safety shut-off valve of regulator line

3.4. Selection of safety relief valve

4. Gas distribution station design

4.1Gas cleaning at GPU

4.2.Determination of temperature at GPU outlet

4.3.Selection of pressure regulator on MV

5. Determination of volume of liquefied hydrocarbon gas (LPG) storage facilities and calculation of their quantity

List of used literature

Introduction

The gas industry is one of the most rapidly developing sectors of the national economy. A highly efficient fuel and energy complex has been created in our country. The Russian Federation is the only major industrialized country that fully provides itself with fuel and energy from its own natural resources and at the same time exports fuel and electricity.

At the moment, in many parts of public production, natural gas is widely used as an energy carrier, which has become a significant factor in technological progress - an increase in industrial and agricultural output, an increase in public labor productivity and a decrease in specific fuel costs.

Currently, gas has become the main type of fuel in everyday life and public utilities. The Unified Gas Supply System (ESG) of Russia is the largest in the world, created at one time in the Soviet Union, with unique properties due to centralized management, great branching and the presence of parallel routes.

Public utilities are considered in our country as priority gasification facilities. Significant work has been done on the serial production of high-quality plates, automated water heaters, heating devices, special equipment for the effective use of gas in agriculture, equipment for mechanization and automation of technological processes at gas distribution stations. In recent years, telemechanization of urban gas farms has been carried out.

The gas supply system of cities and settlements consists of gas supply sources, gas distribution network and internal equipment.

Sources - main gas pipelines and branches from them, underground gas storage stations (SPHG) and liquefied gas distribution stations.

The gas distribution network is a system of gas pipelines and equipment serving for transport and distribution within the city (settlement, industrial facility).

The internal gas equipment of residential buildings, utilities and industrial enterprises includes internal and industrial gas pipelines, as well as gas devices and gas liquefaction plants.

Modern gas distribution systems are (depending on the facility) a complex complex of structures consisting of the following main elements (1):

1. high, medium and low pressure gas networks;

2. gas distribution stations (GRS);

3. gas control stations (GRP) and units (GRU).

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