燃氣熱風爐在工業熱能方面轉化率高嗎

燃氣熱風爐屬於熱動力機械成都收賬熱風爐,它隻有利用熱風作為介質和載體才能更大地提高熱利用率和熱工作效果,廠傢主營:燃氣熱風爐,熱風爐。燃氣燃風爐在工業熱能方面發成都找人公司轉化率高不高，是眾多工業用戶在選購燃氣熱風爐時考慮成都收賬重要因素。廠傢研發生產收賬燃氣熱風爐在工業熱能方面成都找人公司轉化率高嗎？下面由本公司做個熱能轉率的實驗。
Gas hot-blast stove belongs to the hot-blast stove of thermodynamic machinery. Only by using hot air as medium and carrier can it improve the heat utilization rate and thermal working effect more greatly. The main business of the manufacturer is gas hot-blast stove and hot-blast stove. The high conversion rate of gas-fired stoves in industrial heat energy is not high, which is an important factor for many industrial users to consider when choosing and purchasing gas-fired stoves. Does the gas hot blast stove manufactured by the manufacturer have high conversion rate in industrial heat energy? The following is an exp透水地坪eriment of thermal energy conversion by our company. 廠傢采用自行搭建的實驗室小型熔渣熱載體煤氣化熱態實驗平臺,經研究發現：熔渣熱載體煤氣化系統對煤種和粒度有很強的適應性,其適合於我國低碳、高灰分、高揮發份煤種的氣化,作為低含碳量、高灰分劣質煤代表的沈南煤在高爐熔渣煤氣化系統中可以獲得較高CO和H2濃度的合成氣,其氣化指標與作為優質煤代表的大同煤相差不大,煤氣熱值可達10000kJ·m-3；CO含量隨著氣化反應溫度的升高而升高,H2隨反應溫度的升高先升高後下降,煤氣熱值和氣化效率均隨氣化反應溫度的升高先升高後下降,當氣化反應溫度為1623K時,煤氣組分中H2含量最高、煤氣熱值最高、煤氣可燃成分C-H比最小、熔渣熱載體煤氣化系統氣化效率最高；隨著化學當量比CO2-C的增加,煤氣中CO含量逐漸下降,CO2含量逐漸上升,H2含量先上升後下降,碳轉化率逐漸增大,煤氣熱值先保持平穩而後急速下降,當化學當量比為1.02時,其碳轉化率約為0.95,此時H2含量最高,C-H比達到最低值,煤氣熱值保持在最高值;隨著氣流速度的增大,煤氣中CO和H2含量、煤氣熱值及碳轉化率均先上升後下降,當氣流速度為0.14m3-h-1時,熔渣煤氣化系統煤氣熱值最高、碳轉化率最高,煤氣中的CO和H2也最高；因此綜合以上實驗結果,該實驗中熔渣熱載體煤氣化系統的最佳氣化反應溫度為1623K,最佳化學當量比應在1.02附近,最佳氣流速度為0.14 m3·h-1。
The manufacturer adopts the laboratory small scale slag heat carrier coal gasification hot state experimental platform built by itself. Through research, it is found that the slag heat carrier coal gasification system has strong adaptability to coal type and particle size. It is suitable for the gasification of low carbon, high ash and high volatile coal in China, and Shennan coal as the representative of low carbon, high ash and low quality coal. The syngas with higher CO and H2 concentration can be obtained in blast furnace slag gasification system. Its gasification index is similar to Datong coal, which is the representative of high-quality coal. The calorific value of gas can reach 10,000 kJ.m-3. CO content increases with the increase of gasification reaction temperature, H2 first increases and then decreases with the increase of reaction temperature, and the calorific value of gas and gasification efficiency are similar. When the gasification reaction temperature is 1623K, the content of H2 in the gas component is the highest, the calorific value of the gas is the highest, the ratio of C-H is the lowest, and the gasification efficiency of the slag heat carrier gasification system is the highest. With the increase of the chemical equivalent ratio of CO2-C, the content of CO in the gas decreases gradually, and the content of CO2 is the highest. Gradually, the content of H2 increases first and then decreases, the carbon conversion rate increases gradually, and the calorific value of gas keeps stable at first and then decreases rapidly. When the chemical equivalence ratio is 1.02, the carbon co环氧地坪nversion rate is about 0.95. At this time, the content of H2 is the highest, the C-H ratio is the lowest, and the calorific value of gas keeps the highest. With the increase of gas flow rate, the content of CO and H2 in gas and gas are kept at the highest level. The calorific value and carbon conversion rate both rise first and then decrease. When the gas flow rate is 0.14m3-h-1, the calorific value and carbon conversion rate of the gas in the slag gasification system are the highest, and the CO and H2 in the gas are also the highest. Therefore, based on the above experimental results, the optimum gasification reaction temperature of the slag heat carrier gasification system is 1623K and the optimum chemical equivalence ratio is obtained. The optimum air velocity should be 0.14 m3.h-1 near 1.02.

除此之外，廠傢還采用等溫恒重技術對顆粒渣熱載體煤氣化反應動力學進行瞭研究,建立瞭其反應動力學模型。研宄發現：高爐渣的加入會改變煤焦的起始氣化反應溫度,隨高爐渣加入量的增加,煤焦的起始氣化反應溫度逐漸降低,且劣質煤的起始反應溫度溫降更大；隨氣化反應溫度的升高,煤焦的碳轉化率、反應速率峰值、煤焦的反應性指數及反應速率常數均升高,煤焦完成氣化反應所需的時間縮短；高爐渣對氣化反應有很好的催化作用,隨煤樣中高爐渣含量的增加,煤焦碳轉化率、反應速率峰值、煤焦反應性指數及反應速率常數均增大,煤焦活化能逐漸減小。
In addition, the gasification reaction kinetics of granular slag heat carrier was studied by isothermal constant gravity technology, and the reaction kinetics model was established. It was found that the initial gasification reaction temperature of coal char changed with the addition of blast furnace slag. With the increase of blast furnace slag, the initial gasification reaction temperature of coal char decreased gradually, and the initial reaction temperature of inferior coal decreased more. With the increase of gasification reaction temperature, the carbon conversion rate of coal char, the peak reaction rate and the reactivity of coal char indicated. The number and reaction rate constant increased, and the time needed for coal char to complete gasification reaction was shortened. Blast furnace slag had a good catalytic effect on gasification reaction. With the increase of the content of blast furnace slag in coal sample, the conversion rate of coal char, peak reaction rate, reactivity index and reaction rate constant of coal char increased, and the activation energy of coal char decreased gradually.