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WNS Series horizontal Oil-fired (Gas) Boiler

 

 

 

-3- 

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. 

  Performance characteristics 

 

Boiler has sufficient output and high heat efficiency.

 

 

This  series  boiler  has  the  characteristics  of  compact  structure  &  high  heat  efficiency 

because of completely burning. 

 

This series boiler

s operation is very simple, has the function of automatically running and 

protection. 

 

The installation is very simple, so only need less money for construction investment. 

 

This  series  boiler  can  be  delivered  wholly  because  of  its  compact  structure  and  small 

volume. 

 

The following fuel can be used for this type boiler: 0# light diesel oil, natural gas or manual 

gas. 

  Brief description for ex-works 

2.1 While boiler leave factory, it should be divided & packed as following status; 
2.2 The  large  items of  boiler, 

boiler body

 ,front/back smoke  box, installation  nozzle  ,insulation 

layer; 
2.3 pipeline, valves and instrument; 
2.4 Burner. 
2.5 controller of boiler. 
2.6 Chimney (according to contact requirements). 
2.7 Technical documents: main parts drawings of boiler, strength calculation sheet for pressure 
parts, manual, documents list and appendix list, product quality certificate (one copy). 
 

Ⅱ、

Installation description 

 

Preparation work before installation 
Check  the  completeness  of  the  boiler  accessories  according  to  the  packing  list  and  the 

general  drawing  of  the  boiler.  Check  whether there  are  any  damage  and  deformation.  If  need 
lift the large boiler parts, any damage to the heat insulation layer should be avoided. 
1.1

 

Organization and personnel 
Boiler  should  be  in  charged  by  special  personnel,  boiler  operator  should  join  them,  also 

need pipe fitter, fitter, lifting operator, cold worker, qualified welder and assistant. 
1.2

 

Study 
In order to let the relevant person know and master the relevant items of installation, lifting, 

running  operation  and  so  on,  should  organize  them  to  study,  let  them  familiar  with  the 
following documents: standard of 

Supervision Regulation for the Safety Technology of Steam 

Boiler

, boiler drawings, installation and operation manual. 

1.3

 

Installation place 

1.3.1

 

The best  installation place should be close to the location supply steam, so as to shorten 
steam pipeline, decrease the construction fees, decrease the differential pressure and heat 
loss. 

1.3.2

 

The  equipment  of  oil  storage  and  transferring  should  comply  with  the  relevant 
requirements. 

1.3.3

 

Feeding and draining water should be very convenient. 

1.3.4

 

The path should be very smooth while installation and transporting the boiler. 

1.3.5

 

The arrangement of boiler room should meet the relevant regulations of

Safety Technical 

Supervision Regulation for Steam Boiler

, chapter 8 issued by Labor and Human Ministry of 

the People

s Republic of China. 

Summary of Contents for WNS Series

Page 1: ...l Gas fired Oil Boiler ZhangjiagangWilfordThermalTechnology Co Ltd Please read this manual carefully before using this machin Only qualified workers can operate this machine If the operation method is...

Page 2: ...ler structure 5 Boiler work principle 7 Operation Manual of Gas Fired Boiler 7 Operation requirements 7 Maintenance of boiler 11 Inspection hydraulic testing for pressure parts 12 Attention for users...

Page 3: ...appendix list product quality certificate one copy Installation description Preparation work before installation Check the completeness of the boiler accessories according to the packing list and the...

Page 4: ...drawings Water pump is connected with water tank if user has additional requirements can provide spare water pump 4 2 Safety valve must be assembled after hydraulic testing and connected to the tube f...

Page 5: ...r boiler water level indication and for the supervision by boiler operator The water level controller is used for transmitting the value of boiler water level The control system will control the runni...

Page 6: ...ecause of some reasons the photo resistance has no sense of light stop burning and send out acoustical light alarm continue post purging for gas fired boiler then stop running boiler Check and find ou...

Page 7: ...ill feed water into the boiler so as to keep it in the normal water level The above mentioned process continues steam will continuously produced by heating the water by absorbing the afterheat of firi...

Page 8: ...iler again according to above mentioned way Running boiler 3 1 Start and running boiler normally 3 1 1 Open the air vent valve on the top of boiler or lift the valve core of safety valve 3 1 2 Start b...

Page 9: ...warming tube should be according to the length diameter of pipeline steam temperature and so on In generally it should not less than ten minutes After the tube is heated open the main steam valve slow...

Page 10: ...it quality 6 9 The photoresistance should be removed for examination testing every three month measure the values of resistance of bright dark Photoresistance type MG41 100A Rated power capacity 100M...

Page 11: ...etter W means week Letter M means month Letter S means season Letter Y means year Blow down of boiler In generally the feeding water contains mineral matter when the water enters into boiler and after...

Page 12: ...nance if less than one month should use wet maintenance 4 1 Dry maintenance Stop running boiler drain off all boiler water remove all dirt inside boiler and clean it bake it by faint fire close all ha...

Page 13: ...ter dropping to working pressure During inspection the pressure should kept no change If find any leakage should well make record for later repairing when the pressure drop to atmosphere After hydraul...

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