Name: Easy to operate 4 ton coal fired steam boiler for paper dry cleaning machine
Brand: Coal Steam Boiler
Availability: InStock

Product Details

Easy to operate 4 ton coal fired steam boiler for paper dry cleaning machine

Model: 1tons to 15tons/hr steam capacity

Working pressure: 0.7Mpa/1.0Mpa/1.25Mpa working pressure

Degree of automation: 90%, automatic coal feeding/ water feeding/ cinder moving/ over pressure protection.

Application:Food and Beverage,Textile,Plywood,Rice Mill,Chemical,Paper Mill,Rubber Plant etc

DZL type chain grate boiler is a kind of horizontal three-return water and fire pipe mixed boiler, which is arranged with a bunch of threaded smoke pipe inside the boiler barrel.The left and right sides of the furnace chamber are equipped with water cooling walls of light pipes.It adopts light chain grate to realize mechanical coal feeding, equipped with blower and induced draft fan for mechanical ventilation, and equipped with scraper type slag discharge machine to realize automatic slag discharge.The front and rear arches of the furnace adopt new energy saving technology.

After the fuel falls on the grate from the coal sill and enters the furnace for combustion, the flame, through the refraction of the rear arch, turns upward through the burning Chambers on both sides of the body and turns to the front smoke box, and then turns back to the tube bundle in the pot by the front smoke box, enters the economizer through the rear smoke box, and then is pumped by the induced draft fan to the air through the flue to the chimney.

Chain Grate Stoker Coal Boiler, Coal Fired Boiler Burning process

Fuel falls from coal hopper onto the front of chain grate, moves along with the chain grate and will be preheated, dried, ignited, burned out. Slag will be discharged by slag remover(eliminator) at any time. Herring bone arch is adopted to improve igniting condition. Smoke forms between front and back arches vortex, completely mix with air, burns out and then goes after each other through smoke flue at two wings, front smoke box, threaded smoke tubes, cast iron economizer(for hot water boiler no cast iron economizer), dust remover, draft fan and will be emitted through chimney.

Technical Parameters

Model Item		DZL1	DZL2	DZL4	DZL6	DZL8	DZL10 (Assembly)	DZL15 (Assembly)	DZL20 (Assembly)
Steam Capacity (t/h)		1	2	4	6	8	10	15	20
Steam Pressure (MPa)		0.7/1.0/1.25		1.25/1.6
Steam Temperature (℃)		170/184/194		194/204
Feed water Temperature(℃)		20	20	20	20	20	70	70	70
Heating Area(m2)	Body	~33	~50	~100	~170	~200	~250	316	502
Heating Area(m2)	Econom izer	10.56/20.7	27.6	52.48/33.12	87.2	98	174	351	382
Effective Grate Area(m2)		2.22	2.22	4.1	5.5	7.95	9.75	11.1	23.9
Fuel Type		II Bituminous Coal, Lower Heating Value Q≈21000KJ/Kg
Fuel Consumption(kg/h)		~151	~302	~600	~880	~1150	~1450	~2220	~1160
Exhaust Gas Temperature(℃)		135-145
Thermal Efficiency(%)		83-85
Weight of Biggest Part for Transportation(t)		17	23	25	35	45	33(Up Part) 28(Down Part)	42(Up Part) 35(Down Part)	50(Up Part) 28(Down Part)
Overall Dimension of Boiler Assembled LWH(m)		5.1×2.2×3	5.5×2.3×3.3	6.6×2.6×3.6	7.5×2.9×3.8	8.1×3.1×3.8	7.7×3.2×3.6 8.6×3.0×2.6	10×3.24×3.54 12×3.2×3.08	11×3.24×3.54 14×3.2×3.08

Coal steam boiler accessory

Application scope

Industrial users: the pharmaceutical, paper making, tobacco, printing and dyeing, garment and other industries. Civil: catering, laundry room, (hospital) disinfection, sauna, etc.