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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.
版本：WNS-0910
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Table of Contents
Summary of Contents for Zhangjiagang Wilford Thermal WNS Series
- Page 1 Installation & Operation Manual 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.
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Page 2: Table Of Contents
WNS Series horizontal Oil-fired (Gas) Boiler Content Ⅰ. General description ------------------------------------------------------------ 3 Ⅱ. Installation description -------------------------------------------------------- 3 Ⅲ. Introduction for boiler structure --------------------------------------------- 5 Ⅳ. Boiler work principle ---------------------------------------------------------- 7 Ⅴ、Operation Manual of Gas Fired Boiler------------------------------------- 7 Ⅵ. Operation requirements ------------------------------------------------------- 7 Ⅶ. -
Page 3: Ⅰ. General Description
WNS Series horizontal Oil-fired (Gas) Boiler Ⅰ、General description →This manual should be used for WNS Series horizontal Gas -fired (Oil) Boiler. →The adjustment, operation and repairing for the fitting & accessories of this series products, please refer to this installation & operation manual and the relevant manual submitted by the manufacturer of gas -fired (oil) burner. - Page 4 WNS Series horizontal Oil-fired (Gas) Boiler 1.4 Preparation for foundation According to foundation sketch, well prepare the install foundation for boiler and pre-fabrication plate of ladder. 1.4.1 After boiler arrive in site, check all parts according to the packing list. Re-check the completeness of boiler set according to the general drawing.
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Page 5: Ⅲ. Introduction For Boiler Structure
WNS Series horizontal Oil-fired (Gas) Boiler to the stipulation of the item 7 of this operation manual. Ⅲ、 Introduction for boiler structure ① Boiler body structure 1.1The boiler heating surface is arranged as three returns structure. The horizontal and longitudinal furnace is the first return, the front section is corrugated furnace which can decrease the bad influence to the boiler body because of heat expansion. - Page 6 WNS Series horizontal Oil-fired (Gas) Boiler control, process control, safety protection and so on. If the automatic system has trouble, can start manual operation mode. 3.1 Water level control The water level control system consists of electrode, relay, control circuit and so on. There are electrodes with different size (long or short) inside water level controller and water level alarm unit.
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Page 7: Ⅳ. Boiler Work Principle
WNS Series horizontal Oil-fired (Gas) Boiler change a new one. 3.10 Loss voltage protection While normally running boiler, the electric network may have no power or the voltage is dropped suddenly because of one certain reason, boiler will stop running. When electric network is back to normal condition, the boiler unit will not start operation automatically. - Page 8 WNS Series horizontal Oil-fired (Gas) Boiler ·12H 2～3 3～4 Note: a. The medicine quantity is calculated according to 100% purity. ·12H b. If no Na O, can use Na but the quantity should be 1.5 times. c. Boiling out for boiler only use Na...
- Page 9 WNS Series horizontal Oil-fired (Gas) Boiler can be realized through changing the curvature radius. ④Adjustment for safety valve The safety valve should be adjusted for first time use, for the detail, can according to the requirements stipulated on the table 7-2, No. 143 of the standard《Safety & Technical Supervision Regulation for Steam Boiler》.
- Page 10 WNS Series horizontal Oil-fired (Gas) Boiler 6.5 Steam pressure Do attention to the change of pressure, insure the steam pressure is lower than the allowable highest working pressure. 6.6 Pressure gauge The bending tube of pressure gauge should be washed for one time every shift. Check to whether the pressure is in normal condition.
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Page 11: Ⅶ. Maintenance Of Boiler
WNS Series horizontal Oil-fired (Gas) Boiler Magnetic valve act; see whether After stop running boiler to watch there is leakage whether remains fire inside furnace. The time set point of all Purging time, safely ignition time etc. sequence Observe the spark strength or take out oil... -
Page 12: Ⅷ. Inspection & Hydraulic Testing For Pressure Parts
WNS Series horizontal Oil-fired (Gas) Boiler can drain all boiler water, but at this time should open main steam valve and make boiler connect with atmosphere. If need shorten cooling time, can add cold water from feeding water tube and drain off hot water through blowing down pipe at the same time, but the water level should not lower than the normal water level. -
Page 13: Ⅸ. Attention For Users
WNS Series horizontal Oil-fired (Gas) Boiler 3.4 Whether there is fault at the connecting position between feeding water pipe, draining water pipe and boiler drum. ④ If find serious corrosion, should check the strength calculation before hydraulic testing. ⑤ Testing pressure The testing pressure should comply with the requirements of table 10-1 of “Safety &...