一种烧结系统及烧结余热回收设备

Abstract

本实用新型公开一种烧结系统及烧结余热回收设备，其中，该烧结余热回收设备包括余热锅炉、汽轮发电机组、冷却装置和供热装置，所述余热锅炉包括锅炉本体、连接烟道和蒸汽管路，所述连接烟道用于和烧结设备相连接，所述锅炉本体通过所述蒸汽管路和所述汽轮发电机组相连接，所述汽轮发电机组具有凝汽器，所述凝汽器并联有第一循环水路和第二循环水路，所述第一循环水路和所述冷却装置相连接，所述第二循环水路和所述供热装置相连接，所述第一循环水路和所述第二循环水路均设置有开关阀。上述烧结余热回收设备对于烧结余热的利用效率相对较高。

Claims

1. A sintering waste heat recovery apparatus characterized by comprising: The system includes a waste heat boiler, a steam turbine generator set, a cooling device, and a heating device. The waste heat boiler includes a boiler body, a connecting flue, and a steam pipeline. The connecting flue is used to connect to sintering equipment. The boiler body is connected to the steam turbine generator set through the steam pipeline. The steam turbine generator set has a condenser. The condenser has a first circulating water path and a second circulating water path connected in parallel. The first circulating water path is connected to the cooling device, and the second circulating water path is connected to the heating device. Both the first and second circulating water paths are equipped with on / off valves.

2. The sintering waste heat recovery apparatus according to claim 1, wherein The waste heat boiler also includes a return air duct, which is also used to connect to the sintering equipment.

3. The sintering waste heat recovery apparatus according to claim 2, wherein The return air duct is also equipped with a first air supply component.

4. The sintering waste heat recovery apparatus according to claim 1, wherein The condenser is also connected to a return pipe, which is connected to the boiler body.

5. The sintering waste heat recovery apparatus according to any one of claims 1 to 4, characterized by, The steam pipeline includes a first steam branch and a second steam branch, both of which are connected to the steam turbine generator set. The steam pressures in the first steam branch and the second steam branch are different.

6. The sintering waste heat recovery apparatus according to claim 5, wherein The steam turbine generator set includes a steam turbine, the steam turbine includes a cylinder assembly, and the first steam branch, the second steam branch, and the condenser are all connected to the cylinder assembly.

7. A sintering system, characterized by It includes sintering equipment and sintering waste heat recovery equipment. The sintering equipment includes a supporting component and a flue component. The sintering waste heat recovery equipment is the sintering waste heat recovery equipment according to any one of claims 1-6. The connecting flue is connected to the flue component.

8. The sintering system of claim 7, wherein, The sintering equipment also includes a wind box assembly, the supporting assembly is a rotary trolley, the flue assembly is located above the supporting assembly, the wind box assembly is located below the supporting assembly, and the waste heat boiler also includes a return air duct, which is connected to the wind box assembly.

9. The sintering system of claim 7, wherein, The sintering equipment also includes an air supply pipeline, which is equipped with a second air supply component.

10. The sintering system according to any one of claims 7-9, characterized in that, The flue assembly includes a fume hood and a transition flue, the fume hood and the transition flue are connected, the transition flue and the connecting flue are connected, the transition flue is equipped with an exhaust valve, and the connecting flue is equipped with a control valve.

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