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Zhangjiagang Wilford Thermal WNS Series User Manual

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Installation & Operation Manual
for
WNS Series horizontal Gas -fired (Oil) Boiler
Zhangjiagang Wilford Thermal Technology Co., Ltd.
Please read this manual carefully before using this machin;
Only qualified workers can operate this machine;
If the operation method is not correct, may happen to dangerous accident.
本:WNS-0910
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Zhangjiagang Wilford Thermal WNS Series Specifications

General IconGeneral
BrandZhangjiagang Wilford Thermal
ModelWNS Series
CategoryBoiler
LanguageEnglish

Summary

I. General Description

Performance Characteristics

Boiler provides high output, efficiency, compact design, and automatic operation.

Ex-Works Description

Details boiler division for factory shipment, including main parts and accessories.

II. Installation Description

Preparation & Personnel Requirements

Check accessories, ensure personnel are qualified, and study installation manuals.

Installation Site Selection

Choose location near steam use, ensure convenient access and regulatory compliance.

Foundation & Component Installation

Prepare foundation, install boiler components, and ensure proper leveling.

Chimney & Pipeline Installation

Install chimney, pipelines, valves, and instruments according to drawings.

Auxiliary Parts Installation

Install oil pump units, electrical control boxes, and connect the burner.

Hydraulic Testing

Perform hydraulic testing on installed boiler and pipelines.

III. Boiler Structure Introduction

Boiler Body Structure Details

Explains the three-return structure, furnace, steam/water spaces, and access points.

Burning System Components

Describes oil-fired and gas-fired burners and their operational principles.

Automatic Control System Overview

Outlines the components of the automatic control system for boiler operation.

Water Level Control Function

Details the system for maintaining and alarming boiler water levels.

Pressure Control Mechanism

Explains how pressure controllers manage working pressure and burning status.

Process Control

Refers to operation manual for process control of the burning unit.

Safety Protection Functions

Covers protection against ignition failure, flameout, low water, high pressure, etc.

Operational Protections

Details protections against voltage loss, valve leakage, and low gas/wind pressure.

IV. Boiler Work Principle

V. Gas Fired Boiler Operation Manual

VI. Operation Requirements

Pre-Operation Checks

Essential checks of boiler parts, seals, pipelines, and controls before operation.

Boiler Boiling Out Process

Procedure for cleaning new boilers using chemical solutions to remove impurities.

Boiling Out Procedures

Detailed steps for adding chemicals, operating the burner, and monitoring during boiling out.

Boiler Operation Steps

Comprehensive guide for starting, running, and shutting down the boiler.

Startup and Normal Running

Step-by-step guide for safely starting and operating the boiler.

Shutdown Procedure

Detailed steps for safely stopping the boiler and its auxiliary systems.

Wind and Air Adjustment

How to adjust air damper and gas butterfly valve for combustion control.

Safety Valve Adjustment and Calibration

Procedure for adjusting, testing, and securing safety valves.

Steam Supply Procedure

Steps for supplying steam, including warming up pipelines and monitoring.

Daily Boiler Maintenance Tasks

Routine daily checks and tasks to ensure boiler performance and safety.

Pressure Monitoring and Gauge Checks

Focuses on monitoring steam pressure and maintaining pressure gauges.

Safety Valve and Atomizer Maintenance

Procedures for testing safety valves and cleaning atomizing plates.

Photoresistance and Boiler Room Environment

Inspection of photoresistance and maintaining a clean, well-lit boiler room.

Shift Change and Daily Management

Procedures for shift handover and detailed daily management tasks from the table.

Boiler Blow Down Procedures

Guidelines for safely blowing down boiler water to remove scale and sediment.

VII. Boiler Maintenance

Overhaul and Shutdown Procedures

Schedule and methods for stopping the boiler for check and overhaul.

Cleaning and Inspection Tasks

Detailed tasks for cleaning internal/external surfaces, furnace, and checking for corrosion.

Long-term Boiler Protection Methods

Describes dry and wet maintenance methods for extended periods of inactivity.

VIII. Pressure Parts Inspection & Testing

Periodical Inspection Requirements

Frequency and scope of periodic internal/external boiler inspections.

Testing Triggers and Preparation

Conditions mandating testing and preparation steps before inspection.

Inspection Focus Points

Key areas to check during inspection: welds, plates, scale, and connections.

Connection Faults and Corrosion Checks

Checking pipe connections and strength calculations if corrosion is found.

Hydraulic Testing Standards and Sequence

Requirements for testing pressure, water temperature, and the step-by-step testing process.

Testing Evaluation and Safety Measures

Criteria for passing tests, and safety precautions during hydraulic testing.

IX. User Attention

Pipeline Standards and Documentation

Pipeline compliance with national standards and how to request documentation.

Product and Manual Discrepancies

Notes potential differences between manual and product due to updates.