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Hot Air Furnace and Heat Exchanger

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Coal (Biomass)—Fired Hot Air Furnace

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产品描述

Working Principle

BHL-Z direct Coal (Biomass) Fired Hot Air Furnace consists of BHL coal burner, also used for Kaolin dryer
Kaolin processing line, decontamination settling chamber of high temperature air and Air distribution chamber. Its output heat is 50~2000×104Kcal/h, output temperature is 100~1200℃.

Raw Coal (Bituminous Coal) is fed into coal scuttle through coal feeder, and then delivered into combustion chamber by the chain grate stoker. With the air of combustion blower, the coal burned and generated high temperature flue gas with dust. The hot flue gas with dust burned again and the dust fused, polymerization and deposition in the purity room, certain amount of fresh air is mixed into the cleaned hot flue gas (about 1000 ℃,drawing from the purity room) to adjust the temperature of the hot flue gas in the air feeding room. And then the degree temperature hot flue gas flows into the various large-scale drying systems (such as fluidized bed, flash dryer, spray tower, rotating drum dryer, drying room, etc.). The fluctuation range of continuous heating air temperature is about ± 5 ℃. The cinder is discharged by the slag remover

Advantage

1) Wide adaptability of coal types.

2) Full combustion, high combustion efficiency, thermal efficiency>95%.

3) Stable output heat load, mechanical combustion, simple operation and very convenient adjustment.

4) The hot air has a high degree of cleanliness, with a dust content of 30～120mg/Nm³; no black smoke, and environmental protection standards.

5) The hot air temperature is easy to adjust, adjustable below 1200℃, and the continuous heating air temperature stability is ±5℃.

6) The equipment has strong durability, low operating cost and simple maintenance.

Technical Specifications

Type	Rated Heating load（×10⁴kcal/h）	Coal （Biomass）Consumption （kg/h）	Installed Power（kw/h）	Temperature of Hot Air (℃)
BHL-Z120	100~150	200~300	8.5	100~900
BHL-Z200	150~240	300~480	8.5	100~900
BHL-Z300	250~350	500~700	8.5	100~900
BHL-Z400	350~450	700~900	10.5	100~900
BHL-Z500	450~550	900~1100	10.5	100~900
BHL-Z600	550~650	1100~1300	14	100~900
BHL-Z800	750~850	1500~1700	26	100~900
BHL-Z1000	900~1100	1800~2200	35	100~900
BHL-Z1200	1100~1300	2200~2600	43	100~900
BHL-Z1500	1300~1600	2600~3200	43	100~900

Note:
1.The calorific value calculated of coal (biomass) is counted with 5000 kcal / kg in the table.
2.Circulating cooling water can be also used for living water, fresh water should be supplemented immediately.

The same hot air volume, the consumption comparison table of different fuels

Hot blast stove category	Direct-fired coal hot air stove	Heat exchange coal-fired hot blast stove	Direct-fired gas hot air stove	Direct-fired oil-fired hot air stove	Electric stove
Regulation unit	kg	kg	m³	kg	kg-h
Consumption ratio	1	1.4	0.6	0.5	6

We can make customized products according to customer’s requirements

适用范围
环保类：木质素、污泥干燥、造纸黑液、药厂废液处理等
化工类：聚合氯化铝、石英砂、氧化铝、化工助剂、净水剂、硫酸铁等
洗化类：洗衣粉、4A沸石、层状硅酸钠、洗涤剂助剂等
陶瓷类：高岭土、陶瓷坯粉、釉料、陶具等
化肥类：复合肥、磷酸一铵、磷酸二铵、氯化钾、硫酸镁、硫酸钾等
建材类：陶瓷纤维、保温板、保温棉、超细粉体、石膏、石英砂等
其它：褐煤、型煤、木材烘干、酒糟、粮食、饲料、乙炔

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Number of views:

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