SZL(A type layout) Coal Fire Steam Boiler
Introduction
Model specification and Configuration Illustration
Fuel choice instruction:design different arch according to different coal form for satisfaction burn requirement
The instruction of Grate's configuration:choose different grate according to the quality of coal
The instruction of dust collector's configuration:choose different dust collector according to different environmental protection regulation
The instruction of slag remover configuration:choose different removers(spiral or scraper) according to the feature of fuel
The instruction of steam distributor's configuration:choose the number of tube socket of output and input according to the workshop's requirement
The instruction of water treatment device's configuration:choose water treatment device' according to the hardness of water
SZL(A type layout) Coal Fire Steam Boiler
SZL(A type layout) Coal Fire Steam Boiler
SZL(A type layout) Coal Fire Steam Boiler
Unique Orientation
The first choice of packaged boiler
SZL series product is a double-drum water tube assembly chain belt type grate boiler(A type layout).The boiler body has an upper drum and a lower drum lengthways arranged along the boiler center.The front of the upper drum and water wall tubes on two sides form a hearth surface,and the convection tubes between the rear of the upper drum and the lower drum form a convection heating surface.The economizer is arranged on the rear of the boiler,and high temperature smoke generated by burning was sucked partial heat in the hearth,enters the convection heating surface for heat transfer through the cooling room and is sent into the chimney by the include fan through the economizer and dust collector and discharge into the atmosphere. It is water tube boiler,three passes design,mature and advanced technology. It is well recognized by users.
Presentation of boiler body detail
Double-drum
Convection tubes
Presentation of boiler grate detail
Block and porous of grate bars
The design of Independent Coal storage bucket
External oil cup design
Features
Unique manufacturing technique and complete inspection process
1. The upper and lower heads are treated with annealing technique
2. Fully automated tube sheet welding
3. 1.4 times' hydro test
4. All-around crack detection in the pressure parts
5. Optimizing installation technique during 20 years' production
6. 24 hours operation debugging of grate
7. 60 lines inspection before delivery
8. Fully automated Precise technique of blanking
9. Experienced welding construction team
Technology
Unique Technical Expression
1. Vertical furnace
2. Three-pass smoke
3. Large-sized down pipe
4. Independent self support
5. Slope type arch
6. Grating type Steam and water separation device
7. Front and rear furnace door for watching fire
8. High density convection tubes between the rear of the upper drum and the lower drum
9. Oversized heating area of the water-cooled wall tube
10. Blowing ash hole in the middle of the convection tube bundle
11. Thermal insulation protection of the front of the upper drum
12. Water-cooled arch
13. Dust hole located in the bottom of the convection tube bundle
Grate technology features
1.Chain belt type grate stoker
2.Block porous grate bars
3.Multiple duct distribute wind design
4.Seals design at the two sides of grate
5.Stretched ash removing device
6.Overall pouring spillplate
7.New casting material for furnace arch
8.Integrated delivery
The Machine's Technical Features
1.Chain belt type grate stoker
2.The boiler is packaged well before leaving factory
3.Economizer configuration
4.Double safety valve configuration
5.Double water gauge configuration
6.Double pressure gauge configuration
7.Double providing water pump configuration
8.PLC intelligent control
9.Auxiliaries modularity design
Configuration Instructions
Instruction of the boiler's configuration:
Boiler Main Body
Boiler Main Body
Induced Fan
Induced Fan
Forced Fan
Forced Fan
Speed Reducer
Speed Reducer
Control Box
Control Box
Valves and Gauges
Valves and Gauges
Instruction of system configuration:
Ceramic Multi-tube Dust Collector
Ceramic Multi-tube Dust Collector
Composite Granite Water Film Dust Collector
Composite Granite Water Film Dust Collector
Chimney and Smoke Ducting
Chimney and Smoke Ducting
Economizer
Economizer
Slag Remover
Slag Remover
Softened  Water Device
Softened Water Device
Steam Distributor
Steam Distributor
Supply Water Pump
Supply Water Pump
Process of smoke flow:
Forced fan-wind duct-grate-furnace-second pass-third pass-economizer-ceramic multi-tube dust collector-Composite granite water film dust collector -Induced fan - chimney
Waterway Process:
Tap water-Softened water tank-supply water pump-boiler-steam distributor-workshop
Parameters
Model SZL8-1.6-AII SZL10-1.25-AII SZL15-2.5-AII SZL20-1.25-AII
Rated Evaporation Capacity(t/h) 8 10 15 20
Rated Working Pressure(MPa) 1.6 1.25 2.5 1.25
Saturated Steam Temperature(℃) 204 194 226 194
Boiler Water Capacity(m3) 9.4 9.8 11.85 12.6
Cool air temperature (℃) 20 20 20 20
Heating Surface(㎡) 205 269.82 335.22 516.7
Economizer heating surface(m2) 174.4 270.25 348.8 295
Grate Effective heating surface 8.9 11.9 17.7 25
Maximum shipping demension (mm) 8870X3346X3464 7600x3350x3508 9258x3294x3535 1660x6200x8420
Packaging and Shipping
10t steam boiler
Package:semi-packaged ,boiler main body is packaged
Our Services
Promises
1.Technology accumulation of 60 years,over ten thousands users,its life is up to 20 years
2.Pricise work, mature technology, cost-effective choice
3.We not only provide devices,but also technology and service
4.We are a company with technology and soul,Good reputation is our secret weapon.
5.Our existence is to make our customer satisfied .
After-sales service
1 year guarantee,free maintenance within 1 year if there is quality problem.
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