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The Fuel Gas Preparation Units (FGPU)

The MKS Group of Companies is a manufacturer of innovative fuel gas preparation units (FGPU). These devices are intended for production of fuel gas from associated petroleum gas (APG) with quality corresponding the requirements to the gas-genset power plants' fuel per the methane index and calorific value. FGPU by the MKS Group of Companies comply with all the technical standards, have low weight and overall dimensions, low operating costs, are easy to operate and maintain, are reliable and efficient in operation.

The Fuel Gas Preparation Unit (FGPU)

The Fuel Gas Preparation Unit (FGPU) is designed to produce fuel gas from associated petroleum gas (APG) with quality corresponding to the gas genset power plants' fuel requirements per the methane index and calorific value. The FGPU meets all technical standards, has low weight and overall dimensions, low operating costs, is easy to operate and maintain, reliable and efficient in operation.

Designation

One of the associated petroleum gas (APG) utilization methods is its application as fuel for autonomous gas turbine and gas genset power plants providing cheap electric and heat power to the constructions at remote fields.

Direct APG use as a fuel gas for the gas genset power plant without proper preparation results in power plant's capacity loss and in the engine wear. In order to achieve the declared power station capacity, a number of requirements must be fulfilled. Apart from the traditional requirements for mechanical impurities cleaning and dew points (water and hydrocarbons) provision, the MPP manufacturers also impose requirements to the blend composition and methane number of the fuel gas. In order to obtain fuel gas of required quality, the MKS Group of Companies has developed a modular FGP unit.

Technical characteristics

In order to ensure the possibility of transportation and movement from site to site, the FGPU is supplied in the form of modules with dimensions not exceeding those of the standard sea container. The FGPU by the MKS Group of Companies is supplied as one unit. A set of two units (compressor and heat exchange) is also possible.

Предварительный состав оборудования установки подготовки газа:

  • блок подготовки газа;
  • блок пропановой холодильной установки на базе винтового компрессора;
  • узел колонны деэтанизации;
  • емкости СУГ одностенные 150 м3 (применимы в качестве емкостей СПБТ);
  • система автоматического налива с СУГ с учетом выхода продукции;
  • установка дозирования реагента;
  • обвязка блока технологическими трубопроводами;
  • автоматизация комплекса;
  • компрессорная станция на базе поршневых компрессоров;
  • блок колонны дебутанизации.

Due to the fact that different fields may show considerably different gas compositions, the plant is developed with high fuel gas quality control potential. For each gas composition the heat exchange surface is recalculated, and the compressor unit is selected. Low temperature APG separation is used to ensure high quality fuel gas. Gas purification from mechanical impurities and drip moisture is carried out at the patent louver packs separators. Gas drying is performed by means of adsorbers. The issue of the heavy hydrocarbons, produced at the APG preparation, utilization is solutioned jointly with the customer individually in each specific project.

Comparative gas blend composition chart

Компонент газа Обозначение Состав исходного газа, мольные доли, % Состав топливного газа, мольные доли, %
1 Метан CH4 57,84 82,19
2 Этан C2H6 16,62 12,61
3 Пропан C3H8 14,48 2,99
4 и-Бутан (CH3)3CH 2,17 0,12
5 н-Бунан CH3(CH2)2CH3 4,41 0,13
6 и-Пентан (CH3)2CHCH2CH3 1,17 0,04
7 н-Пентан CH3(CH2)3CH3 1,22 0,03
8 Азот N2 1,13 1,71
9 Углекислый газ CO2 0,18 0,15
10 н-Гексан С6H14 0,65 0
11 Гептан C7H16 0,12 0
12 Октан C8H18 0,01 0
FGPU by the MKS Group of Companies Advantages

comply with all technical standards
are characterised by a low weight and overall dimensions
have low operating costs
are transportable
are reliable and efficient
are easy to operate and maintain