A descending high-temperature gasification product quenching device
A chilling and product technology, which is applied in the field of downward high-temperature gasification product chilling device, can solve the problems of volume ratio difference, achieve the effect of increasing volume concentration, increasing radiation heat transfer coefficient, and improving heat transfer effect
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Embodiment 1
[0042] figure 1 This embodiment provides a schematic structural diagram of the downward high-temperature gasification product quenching device. The downward high-temperature gasification product quenching device includes three main components, namely a gasification section, a quenching section, and a cooler section. .
[0043] The gasifier adopts the design of gas and slag flow downwards. The gasifier adopts a water-cooled wall design. The tapered slag hole at the bottom and the straight section of the slag hole adopt a coiled water-cooled wall. An annular quenching channel is provided under the straight section of the slag hole to quench The front section of the passage is connected by a coiled water wall, and a chilled gas header is used for syngas distribution, and chilled gas is connected through a chilled gas inlet pipe. There is a syngas cooler under the quenching channel. The gasification furnace body, chilled gas passage and cooler are coaxially arranged. The specific a...
Embodiment 2
[0078] figure 2 This embodiment provides a schematic structural diagram of the downward high-temperature gasification product quenching device. The downward high-temperature gasification product quenching device is basically the same as that of Embodiment 1, with the main difference being: the cylinder of the syngas cooler 3 The upper part of the water wall 7 and the chill channel 4 are directly attached to the wall, so the front section of the chill channel 4 is directly connected to the cylindrical water wall 7 of the syngas cooler 3, without the need to resort to the coil water wall 13; but the chill channel 4 The water wall coil 11 on the inner wall of the lower slag opening 2 in the front section and the straight section is still connected by the coil water wall 13.
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