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Home > China OEM Equipment and Spare Parts > Agricultural Industry > Biogas Project - NAPIER GRASS AND POULTRY MANURE 5 TPD CBG PROJECT2

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NAPIER GRASS AND POULTRY MANURE 5 TPD CBG PROJECT2

PLC System

A Programmable Logic Controller (PLC) is a crucial component in biogas power generation projects. It serves as a control system that monitors and regulates various aspects of the power generation process.

The PLC in a CBG project is responsible for performing tasks such as data acquisition, process control, and equipment monitoring. It collects data from sensors and instruments installed throughout the system, including pressure sensors, temperature sensors, flow meters, and level sensors. This data is used to ensure the efficient and safe operation of the CBG plant.

The PLC utilizes its programming logic to control and coordinate different functions within the power generation system. It executes predefined instructions and algorithms to manage processes such as biogas flow control, engine startup and shutdown, load balancing, and fault detection. The PLC continuously monitors the system parameters and adjusts the operation accordingly to optimize performance .

Additionally, the PLC provides a human-machine interface (HMI) that allows operators to interact with the control system. Through the HMI, operators can access real-time data, configure system settings, and receive alarms and notifications in case of abnormalities or

equipment failures.                                                  

The advantages of using a PLC in CBG projects include enhanced automation, improved system reliability, accurate control of process variables, efficient fault diagnosis, and remote monitoring capabilities.

Component

Specification/Brand

PLC

ABB, Siemens, or equivalent brands

Inverter

ABB, Siemens or equivalent brands

Motor

Wanneng, Nanyang, or equivalent brands

Electrical wire

YJV, KVV, KVVP, BV, ASTP-120-2*2*1.5

Cable tray and support

Hot-dip galvanized bridge, fiberglass bridge

Wiring conduit

Hot dip galvanized steel, PVC

Electrical control panel

ABB, Schneider or equivalent brands

Lighting system

Inside Building & service area are non-explosion   proof type

Lightning protection

Surge protection system for instrument.


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Piping System

Component

Material

Pressure   Requirement

Working   Pressure

Pipe Material

Above ground and in­tank sections: carbon steel pipe

Underground: PE

PN10

PN2

Hot Water Pipe

Above ground section: carbon steel pipe

Underground section: carbon steel pipe

PN10

PN2

Biogas Pipe

Above ground section: 304 SS (before purification);   Hot-dip galvanized ( after-purification)

Underground section: PE


PN0.3

Heating Coil

Digester interior: carbon steel (seamless)


PN10

PN2

Recirculating Water Pipe

UPVC


PN10

PN3


Division Of Works

The details of the work comprises of the following.

Works



Design   and construction


Data collection, topographic survey, soil boring log


Pilling


Permanent project fence and landscaping in the project   site


External road outside project boundary


Site clearing, soil leveling, soil compaction (only in   biogas production and upgrading system construction boundary)


Conceptual and detailed design on civil/structure


Conceptual and detailed design on process and M&E


Temporary site camp area


Civil work of tanks and buildings inclusive of   foundation, slabs, walkway, concrete lining in operating area


Silage yard


Internal road inside project boundary


Construction and project management


Mechanical installation


Piping installation ( materials and biogas piping)   within project area


Electrical installation within the project area


High Load Reator Insulation


Biogas Upgrading


As-built drawing(process and M&E)


Landscaping (only in biogas production and upgrading   system)


Seed   sludge


Seed sludge procurement


Seed sludge transfer to application point


Seed sludge testing and recommendation


Earth   works


Procurement of soil


Soil filling


Removal of existing structure and foundation in the   project site (if any)


Piping   System


Piping system within the project boundary( substrate   and biogas piping)


Valve   System


Valve system within the project boundary( substrate and   biogas)


Connection   point


Feedstock   inlet


Transfer feedstock to solid feeder


Solid   waste outlet


Transfer & disposal excess sludge from separator


Outlet   pipe


Filtrate water from pumpto disposal point or liquid   fertilizer point


Biogas   piping


Utilities


Lightning protection system within the project area


Lighting within the project area (MCC building)


Water   supply


Temporary water supply to the project area


Water bills during project construction


Water bills during commissioning, startup and operation


Water supply system (Groundwater + multimedia filter)


Water supply main pipe to the project area


Electrical


Request local power bureau on temporary import energy   meter


Temporary electricity supply within the project area


Temporary electricity bills during project during   construction and commissioning


Install permanent energy meter


Permanent electricity bills during startup, training   and operation


Transformer for biogas production plant


electrical control cabinets, instruments( substrate and   biogas)


Cables, Lightning Protection System


Low voltage main cable (415V) to the MCC of the project


Grid connection from riser pole to Transformer in front   of the project area


Commissioning   and startup


Chemical for analysis of substrate and biogas after   first use or after startup to full load


Allocate staff to operate the plant since the startup   phase


Provide necessary chemical for commissioning, startup   and operation (not for laboratory analysis)


Process commissioning and startup guidance


Training on how to operate, startup and trouble   shooting


Provide operating and maintenance manual


Provide apparatus for laboratory analysis   FOS,TAC,PH,TS,VS,NH4-N,Individual Acids etc.


Provide chemical for laboratory analysis


Other   works


Application to acquire necessary permits and licenses   for project execution


Finding an area for disposal of construction waste,   soil or other kinds of waste


Wearing parts and consumables


Solid digestate storage, handling and disposal


Wheel loader


Energy crop cultivation, harvesting, transportation and   feeding to the biogas production system


Assist in documents and drawing preparation for   application of permits or licenses necessary for project execution


Fuel for operation of the hot water boiler


Truck scale (weighbridge)


Office building for staff with meeting rooms, toilet


Machinery store to put in wheel loader and trucks


Biogas Upgrading buildings with control room,   laboratory


 






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