Product Details

Coal fired chain grate threaded pipe steam boiler

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
Fuel	Consumption	kg/h	290	290	580	580	960
Dimension of biggest parts for shipment (LxWxH)		m	5.822.13.22	5.822.13.22	6.52.663.52	6.52.663.52	7.133.65
Weight of biggest parts for shipment		t	18	19	27	29	32
Overall dimension of Assembled boiler (LxWxH)		m	6.54.03.7	6.54.03.7	7.24.54.0	7.24.54.0	7.94.54.1
Water supply	Model		11/2GC-5*4	1 1/2GC-5*4	11/2GC-5*7	1 1/2GC-5*7	2GC-5*6
Water supply	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

SZL coal fired steam boiler

1.The boiler shall adopt double drum,monolayer arrangement,compact structure,as well as large heating surfaces which are more 10% than those of same kinds of products,featuring the following advantages such as sufficient output,safe and reliable operation,short construction period,low installation cost ect.

2.The design of cyclone reburning chamber in furnace resulted in the decrease of dust contained in the flue gas.At the same time,incandescent carbon black particles shall burn further,enhancing the boiler thermal efficiency,decreasing gas blackness,as a result,the gas emission concentration shall meet the requirements of grade A environmental protection area.

3.The grate shall employ the technology patent of small roller structure,boundary grate and so on,improving the operation reliability of the boiler.

4.Since the adoption of technology patent for the sealed wind chamber and bilateral grate air register,and the application of machining cone seal structure to grate adjusting air eauipment,the sensitivity of the grate shall be improved.

Model/Parameter/Item			SZL 6-1.25-AII	SZL 8-1.25-AII	SZL 10-1.25-AII	SZL 10-1.6-AII	SZL 15-1.25-AII	SZL 20-1.25-AII
Rated capacity		t/h	6	8	10	10	15	20
Operation pressure		Mpa	1.25	1.25	1.25	1.6	1.25	1.25
Steam temperature		C	194	194	194	203	194	194
Water-inlet temperature		C	20	20	105	105	105	105
Heating efficiency		%	80.6	81.86	81.17	82	82.34	82.95
Arear of boiler heating surface		m2	137.6	175	210	210	435	578
Area of stoker		m2	7.23	8.6	11.72	11.72	16.4	18.87
Steam valve diameter		mm	PN1.6 DN125	PN1.6 DN15	PN1.6 DN150	PN2.5 DN150	PN1.6 DN200	PN1.6 DN200
Water inflow valve diameter		mm	PN1.6 DN50	PN1.6 DN50	PN1.6 DN50	PN2.5 DN50	PN1.6 DN65	PN1.6 DN65
Fuel	Coal available		II type bitumite,lcv:17700-21000KJ/kg
Fuel	Consumption	kg/h	900	1280	1450	1450	2340	3180
Dimension of biggest parts for shipment (LxWxH)		m	7.833.343.46	8.823.343.46	7.13.43.5 83.52.7	7.13.43.5 83.52.7	9.053.353.69	10.63.353.69
Total boiler weight			48	56	96.1	97.1	108	116
Weight of biggest parts for shipment		t	36	45	28/27	29/27	24	27
Overall dimension of Assembled boiler (LxWxH)		m	105.33.9	11.65.43.9	84.56	84.56	12.35.37.2	14.25.38.04
Water supply	Model		DG12-25*7	DG12-25*7	DG12-25*7	DG12-25*7	DG12-35*5	DG12-35*5
Water supply	Motor power	kw	15	15	15	15	22	22
Blast fan	Model		G6-41-13No 7.1A	G6-41-13No 8.5A	G6-41-13No 8.5A	G6-41-13No 8.5A	TG15-1	TG20-1
	Flow	m3/h	5349-10354	9369-18137	9369-18137	9369-18137	23000	32079
	Pressure	Pa	2270-1697	2535-3391	2535-3391	2535-3391	1960	2559
	Motor power	kw	7.5	18.5	18.5	18.5	18.5	30
ID fan	Model		Y6-41-13No 10C	Y6-41-13No 11.2D	Y6-41-13No 11.2D	Y6-41-13No 11.2D	TY15-2	TY20-2
	Flow	m3/h	32144-16604	41773-21578	41773-21578	41773-21578	40000	54250
	Pressure	Pa	2575-3444	2764-3697	2764-3697	2764-3697	3038	3236
	Motor power	kw	37	45	45	45	55	75