Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention provides a four-hearth shaft kiln for dolomite calcination and a dolomite calcination method thereof. A shaft kiln body comprises a kiln body shell and a refractory material. The shaft kiln body is provided with four kiln cylinders, the four kiln cylinders are encircled into a circle, and the four kiln cylinders are communicated with one another through connecting channels at the lower parts of respective calcination zones; a feeding bin is arranged in the center of the top of the shaft kiln body, a rotary distributing device and four feeding pipes are arranged at the bottom of the feeding bin, and the outlet ends of the four feeding pipes are located in the four kiln cylinders respectively. An exhaust cylinder, a compressed air nozzle and a fuel nozzle are further arranged at the top of each kiln cylinder; the bottom of each kiln cylinder is connected with a cooling fan, and a discharging mechanism is arranged at the bottommost portion of each kiln cylinder. According tothe four-hearth shaft kiln, kiln cylinder feeding and airflow reversing are controlled, heat is transferred to cold materials, the space utilization rate is high, the heat utilization rate is high, losses are small, calcination is uniform, the phenomena of overburning and underburning are avoided, the product quality is high, the investment cost is low, and the four-hearth shaft kiln is suitablefor large-scale industrial production and application.
本发明提供一种用于白云石煅烧用四膛竖窑及其白云石煅烧方法，竖窑本体包括窑体外壳和耐火材料，所述的竖窑本体设有四个窑筒，四个窑筒围成一圈，并且四个窑筒通过各自煅烧带低部位置连接通道相互连通；所述的竖窑本体顶部中心处设有加料仓，所述的加料仓底部设有旋转布料器和四根加料管，四根加料管的出口端分别位于四个窑筒内；每个窑筒的顶部还设有排气筒、压缩空气喷嘴和燃料喷嘴；每个窑筒底部连接有冷却风机，窑筒的最底部设有卸料机构。本发明提供的四膛竖窑，控制窑筒进料，气流逆上，把热量传递给冷料，空间利用率高，热量利用率高损失少，煅烧均匀，无过烧和欠烧现象，产品质量高，投资成本低，适合大规模工业生产应用。
The invention provides a four-hearth shaft kiln for dolomite calcination and a dolomite calcination method thereof. A shaft kiln body comprises a kiln body shell and a refractory material. The shaft kiln body is provided with four kiln cylinders, the four kiln cylinders are encircled into a circle, and the four kiln cylinders are communicated with one another through connecting channels at the lower parts of respective calcination zones; a feeding bin is arranged in the center of the top of the shaft kiln body, a rotary distributing device and four feeding pipes are arranged at the bottom of the feeding bin, and the outlet ends of the four feeding pipes are located in the four kiln cylinders respectively. An exhaust cylinder, a compressed air nozzle and a fuel nozzle are further arranged at the top of each kiln cylinder; the bottom of each kiln cylinder is connected with a cooling fan, and a discharging mechanism is arranged at the bottommost portion of each kiln cylinder. According tothe four-hearth shaft kiln, kiln cylinder feeding and airflow reversing are controlled, heat is transferred to cold materials, the space utilization rate is high, the heat utilization rate is high, losses are small, calcination is uniform, the phenomena of overburning and underburning are avoided, the product quality is high, the investment cost is low, and the four-hearth shaft kiln is suitablefor large-scale industrial production and application.
本发明提供一种用于白云石煅烧用四膛竖窑及其白云石煅烧方法，竖窑本体包括窑体外壳和耐火材料，所述的竖窑本体设有四个窑筒，四个窑筒围成一圈，并且四个窑筒通过各自煅烧带低部位置连接通道相互连通；所述的竖窑本体顶部中心处设有加料仓，所述的加料仓底部设有旋转布料器和四根加料管，四根加料管的出口端分别位于四个窑筒内；每个窑筒的顶部还设有排气筒、压缩空气喷嘴和燃料喷嘴；每个窑筒底部连接有冷却风机，窑筒的最底部设有卸料机构。本发明提供的四膛竖窑，控制窑筒进料，气流逆上，把热量传递给冷料，空间利用率高，热量利用率高损失少，煅烧均匀，无过烧和欠烧现象，产品质量高，投资成本低，适合大规模工业生产应用。
Four-hearth shaft kiln for dolomite calcination and dolomite calcining method thereof
一种用于白云石煅烧用四膛竖窑及其白云石煅烧方法
04.09.2020
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2020
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