double drum Coal fired Boiler hot water boiler

SZL  double drum Coal Steam Boiler made by a Leading Mnufacturer in China   Product advantage:  Spirally corrugated tube Function: (1) Heat transfer enhancement; (2) Improve the suppleness to avoid the tube plate cracking; (3) Clean groove itself.  Arched tube plate  Function:  (1) reduce the thermal stress of weld; (2) improve the tube plate suppleness; (3) simplify the structure and save the boiler room space.  Complete protection device Function: deal with the situation of overpressure, over-temperature, water shortage and flameout.  Up-tube layout Function: (1) Avoid the bulging on boiler drum; (2) Promote the water cycle (3)clean the sediment in the boiler bottom.  Airfoil flue Function: Lower the high temperature of tube plate flue gas. And then reduce the thermal load of the boiler bottom. Product feature   1.       Low coal consumption and High thermal efficiency;   2.      Reasonable water cycling, large water capacity and spacious steam volume;   3.       Equipped with light chain belt assembly grate, blowing machine and draught fan.   4.       High automation, mechanical adjustment of water supply, high and low water level alarm;   5.       Low water and blowers interlocking protection;   6.       Mechanical operation of boiler coaling, slag discharging;   7.       Simple operation and quick installation.       

Boiler Model	SZL4-1.25 -AII	SZL6-1.25 -AII	SZL10-1.25 -AII	SZL15-1.25 -AII	SZL20-1.6 -AII
Rated Evaporation (t / h)	4	6	10	15	20
Nominal steam Pressure (MPa)	1.25	1.25	1.25	1.25	1.6
Nominal Steam Temperature (℃)	194	194	194	194	204
Rated inlet Water Temperature (℃)	20	20	20	105	105
Heating  Area	175.4	256.2	410	478.5	690.2
Effective Area of Grate	5.4	7.4	12.67	17.25	20.8
Applicable Coal Type	Class II Bituminous Coal
Coal Consumption (kg/h)	650	900	1450	2250	2980
Design Efficiency (%)	78	80	80.5	80.5	82
Maximum Weight of transport package  (t)	28.5	26.5(TOP) 28(BOTTOM)	41(TOP) 40(BOTTOM)	48(TOP) 45(BOTTOM)	22(TOP) 27(BOTTOM)
The size of the maximum Transport package L × W × H (m)	6.2×3.5×3.85	6.7×2.7×3.56   7.5×2.7×1.9	6.5×3.67×3.54   8.2×3.25×2.15	9.93×3.38×3.56   11.01*3.34*2.57	11.45×3.61×3.55   10.31*3.61*2.58

    Company Information Hebei Gold Bangzi Co.,Ltd. was founded in 1986, and its trademark “BZ” was identified as the famous mark in 2010. It won the titles of the new high-tech enterprise of Hebei Province in 2011 and the famous-brand products of Hebei Province in 2012. Now it has become a large-scale designated national boilers manufacturing enterprise for the A level boilers and pressure vessels of the D2 level.   All the products of our company have passed the examination and approval of the environmental protection industry association in Hebei Province, met the Standards of Boiler Pollutant Discharge (GB13271-2001), obtained the qualification certificate of green products and won the trust of customers.   We have  horizontal and vertical type water boiler, steam boiler and thermal oil heating boiler; coal fired and gas/oil fired boiler, biomass or wood pellet fired thermal oil boiler, devulcanizer, briquette drying equipment and lignite drying equipment, also have the antibiotic waste mycelium, etc.
  Product model DZL Function: widely used for heating and industrial use. Some area like hotel, school, large and medium-sized enterprise and company, factory, apartment and so on use it for heating and shower DZL water-fire tube coal fired hot water heating boiler feature: 1. Fire have 3 pass, fire stay longer time in boiler tube, make full use of fuel, at the same time, reduce the fuel gas’s temperature.  2. Spirally fire tube, fuel gas goes through the boiler spirally, this will prolong the residence time of gas inside the drum  3. Arched Tube plate, reduce the temperature of front tube plate, it is safe when we use it. 4. Hot water boiler unique feature: As to the hot water boiler, DZL has a special technology back water, just our factory can do it, when the water pass the boiler to the bottom container, the pressure pull the water to flow quicker,with the help of inertia, the water flow wash the front boiler tube plate, so the temperature of front tube plate reduced, this product the boiler plate from cracking, and at the same time, increase the recycling of boiler water Technical parameters   Customers   Working room   Related Products Boiler main product coverage:   1. WNS series steam boiler 1-20 ton/hour, hot water boiler 0.7-14MW
2. SZL series quick assembly boiler: 4 ~ 25 T/h steam boiler, 1.4 ~ 14 MW pressure-bearing hot waterboiler;
3. DZL series chain grate boiler: 2 ~ 25 T/H steam boiler, 2.8~ 17.5 MW hot water boiler;
4. CFB boiler is 10-280 ton
5. Biomass fired boiler: 2 ~ 25 T/H steam boiler, 2.8~ 17.5 MW hot water boiler;
6. AAC block plant : 50000-250000m^3
7. Pressure vessel products: Reaction Kettle, AAC Autoclave, Gas Tank ,etc   Contact Person         Our Services   Pre-sale service: 1.According to the customer needs to recommend relative models machine. 2. According to the customer's special requirements to customize equipments. 3. Our engineers will supply the site and equipment drawing.   After-sale service: 1. According to the purchase contract, our company can send engineers to help  installation.  2. The quality guarantee is 2 year, not including the wearing parts. 3. Collecting customer feedback, solve the real problems faced by customers.