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DZL coal fired steam boiler, 31 years history,single drum,chain grate,fire tube,enough heating area,high efficiency,30 countries - details see: https://www.machineto.com/dzl-coal-fired-steam-boiler-10211774

DZL coal fired steam boiler

Products features:

1.The boiler shall employ single return screwed pipe,arched tube plate,and aerofoil flue,which shall make quasi-steel resistance of the shell to change into quasi-steel,avoiding tube plate crack due to high temp.

2.The rational design of cycle scrap,shall prevent the bottom of the shell from being heated & swelling.Water circulation reliabilities shall be improved by installing supply water injectors,avoiding the ash deposition of water-wall tube.So the reliablie combusion equipment shall ensure the normal operation of the boiler.

3.The optimization of boiler type shall decrease the size of boiler body,reducing the cost of boiler house 30%.

4.Because of excellent combustion efficiency,automatic coal supply,automatic slag-removal,the labor intensity of the stoker shall be reduced.

Model/Parameter/Item			DZL 2-0.7-AII	DZL 2-1.25-AII	DZL 4-1.25-AII	DZL 4-1.6-AII	DZL 6-1.25-AII
Rated capacity		t/h	2	2	4	4	6
Operation pressure		Mpa	0.7	1.25	1.25	1.6	1.25
Steam temperature		C	169.6	194	194	203	194
Water-inlet temperature		C	20	20	20	60	20
Heating efficiency		%	77.4	77.4	81	81	77.4
Area of stoker		m2	3.04	3.2	5.4	5.4	7.48
Steam valve diameter		mm	PN1.6 DN80	PN1.6 DN80	PN1.6 DN100	PN2.5 DN100	PN1.6 DN125
Water inflow valve diameter		mm	PN1.6 DN40	PN1.6 DN40	PN1.6 DN50	PN2.5 DN50	PN1.6 DN50
Fuel	Coal available		II type bitumite,lcv:17700-21000KJ/kg
	Consumption	kg/h	290	290	580	580	960
Dimension of biggest parts for shipment (LxWxH)		m	5.82*2.1*3.22	5.82*2.1*3.22	6.5*2.66*3.52	6.5*2.66*3.52	7.1*3*3.65
Weight of biggest parts for shipment		t	18	19	27	29	32
Overall dimension of Assembled boiler (LxWxH)		m	6.5*4.0*3.7	6.5*4.0*3.7	7.2*4.5*4.0	7.2*4.5*4.0	7.9*4.5*4.1
Water supply	Model		11/2GC-5*4	1 1/2GC-5*4	11/2GC-5*7	1 1/2GC-5*7	2GC-5*6
	Motor power	kw	3	7.5	7.5	11	15
Blast fan	Model		G6-41-13No 5.4A	G6-41-13No 5.4A	G6-41-13No 6.4A	G6-41-13No 6.4A	G6-41-13No 7.1A
	Flow	m3/h	4358-2310	4358-2310	7358-3596	7358-3596	10354-5349
	Pressure	Pa	994-1254	994-1254	1436-1181	1436-1181	2270-1697
	Motor power	kw	3	3	5.5	5.5	7.5
ID fan	Model		Y6-41-13No 5.4C	Y6-41-13No 5.4C	Y6-41-13No 7.1C	Y6-41-13No 7.1C	Y6-41-13No 10C
	Flow	m3/h	8901-4350	8901-4350	15219-8171	15219-8171	32144-16607
	Pressure	Pa	2568-3240	2568-3240	2454-3283	2454-3283	2574-3444
	Motor power	kw	11	11	22	22	37