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工作原理Principle of Operation BHL-Z直燃式燃煤熱風(fēng)爐爐由BHM燃煤機、高溫氣體凈化沉降室和配風(fēng)室組成。熱風(fēng)爐輸出熱量為50～2000×104 kcal/h，輸出溫度為100～1200℃。原煤（煙煤）通過上煤機加入到燃煤機的煤斗中，再由鏈條爐排勻速送入燃燒室，在助燃鼓風(fēng)機鼓入的空氣作用下劇烈燃燒，煤燃燒所產(chǎn)生的含塵高溫?zé)煔膺M入高溫氣體凈化沉降室內(nèi)進行二次燃燒，煙氣中所夾帶的少量粉塵在凈化室內(nèi)經(jīng)高溫熔融、聚合、沉降。凈化室內(nèi)出來的潔凈熱風(fēng)摻入一定量的冷風(fēng)，能夠提供不同溫度的潔凈熱煙氣，可為各類大型干燥系統(tǒng)（如流化床、閃蒸、噴霧塔、回轉(zhuǎn)圓筒、烘房、氣流干燥器等）提供熱源。連續(xù)供熱風(fēng)溫度穩(wěn)定性±５℃。煤渣由燃煤機另一端的除渣機排出。 The BHL-Z Direct Coal-Fired Hot Air Furnace consist of BHM Coal-Fired machine, hot flue gas purity room and air feeding room. The range of heat output is from 50×104 kcal / h to 2000×104 kcal / h and the range of temperature output is from 100℃ to 1200 ℃. R aw 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 auto-deslagging. 優(yōu)勢Advantages 1） 煤種適應(yīng)性廣； 2） 燃燒充分，燃燒效率高，熱效率>95％. 3） 輸出熱負荷穩(wěn)定，機械燃燒，操作簡單，調(diào)節(jié)非常方便； 4）熱風(fēng)潔凈度高，含塵量30～120mg/Nm3；無黑煙，環(huán)保達標。 5）熱風(fēng)溫度調(diào)節(jié)方便，1200℃以下可調(diào)，連續(xù)供熱風(fēng)溫度穩(wěn)定性±5℃； 6）設(shè)備耐用性強，運行費用低，維護簡單。 1) It can burn multi-coal. 2) High combustion efficiency, Thermal efficiency is more than 95%, 3) The output of the heat load is very stable. As to the mechanical combustion, it is simple to operate and easy to adjust; 4) The hot air is very clean and the dust content is from 30 to 120mg/Nm3; 5) The hot air temperature below 1200°C is easy to adjust. The fluctuation range of continuous hot air temperature is about ± 5 ℃. 6) Equipment durability, low operating costs, easy maintenance. 選型表Type Table 型號 Type 額定供熱量 （×104kcal/h） Rated Heating load 耗煤量 （kg/h） Coal Consumption 裝機功率（kw/h） Installed Power 循環(huán)冷卻水流量（kg/h） circulating Cooling Water flow BHL-Z50 50 100 3.5 120 BHL-Z75 75 150 3.5 150 BHL-Z100 100 200 4.2 150 BHL-Z120 120 240 4.2 180 BHL-Z150 150 300 6.8 200 BHL-Z180 180 360 7.9 250 BHL-Z200 200 400 7.9 300 BHL-Z250 250 500 8.2 360 BHL-Z300 300 600 8.2 480 BHL-Z350 350 700 8.8 500 BHL-Z400 400 800 9.6 560 BHL-Z450 450 900 10.8 600 BHL-Z500 500 1000 10.8 700 BHL-Z550 550 1100 15.5 750 BHL-Z600 600 1200 15.5 800 BHL-Z650 650 1300 18.5 800 BHL-Z700 700 1400 19.5 900 BHL-Z800 800 1600 26.5 1000 BHL-Z1000 1000 2000 36.6 1200 BHL-Z1200 1200 2400 43.6 1300 BHL-Z1500 1500 3000 47.6 1500 BHL-Z1800 1800 3600 50.6 1800 BHL-Z2000 2000 4000 52.4 2000 注：1、表中耗煤量，煤的熱值按5000大卡∕小時計算。 2、循環(huán)冷卻水循環(huán)使用，也可對外供熱水，供熱水時必須相應(yīng)補水。 熱風(fēng)爐類別Types 直燃式燃煤 Direct Coal—Fired Hot Air Furnace 換熱式燃煤 Heat Transfer Coal—Fired Hot Air Furnace 直燃式燃氣 Direct Gas—Fired Hot Air Furnace 直燃式燃油 Direct Fuel –Fired Hot Air Furnace 電爐 Electric Furnace 燃料單位 Measures kg kg m