Fluidized calcining furnace
A fluidized roasting and furnace body technology, applied in fluidized bed furnaces, furnaces, furnace types, etc., can solve problems such as poor structural stability and thermal stability, a large number of refractory brick types, and increasing the difficulty of laying furnace roofs. , to achieve the effect of good structural stability and thermal stability, high structural stability and safety performance, and preventing heat conduction to the metal furnace shell
Active Publication Date: 2010-12-01
CHINA ENFI ENGINEERING CORPORATION
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Problems solved by technology
The roof of the traditional fluidized roasting furnace is made of refractory bricks, and the flexibility of the roof is poor, so the structural stability and thermal stability are poor, and bricks are prone to fall off during use, which is poor in safety
The furnace roof made of refractory bricks is prone to air leakage and poor environmental protection. The sulfur dioxide gas exposed from the furnace body will form sulfuric acid and easily corrode the furnace shell.
[0003] In addition, the size of the furnace roof made of refractory bricks is limited, thereby limiting the size of the roasting furnace. Furnace size is limited
In order to build a furnace roof with refractory bricks, it is necessary to process the refractory bricks in order to obtain various special-shaped bricks, but the large number of refractory bricks makes processing difficult, thus increasing the difficulty of building the furnace roof and increasing the cost.
[0004] In addition, the smoke outlet, feed inlet and outlet of traditional fluidized roaster are also made of refractory bricks and heat insulation bricks, so the processing of smoke outlet, feed inlet and outlet is complicated and costly
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[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0023] It should be noted that in the description of the present invention, the orientations and positional relationships indicated by the terms "upper", "lower", "middle", "top", "bottom", "horizontal" and "longitudinal" are based on the attached The orientations and positional relationships shown in the figures are only used to facilitate the description of the present invention, and should not be construed as limitations on the present invention.
[0024] Refer below figure 1 A fluidized roaster according to an embodiment of the pres...
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The invention discloses a fluidized calcining furnace which comprises a furnace body, a furnace top and an air box, wherein the furnace body comprises a feed inlet, a discharge outlet and a smoke outlet; the furnace top is one-piece and arranged at the top part of the furnace body; and the air box comprises an air inlet and an air outlet, and the air box is arranged below the furnace body and communicated with the interior of the furnace body through the air outlet. As the furnace top is one-piece, the fluidized calcining furnace has good softness, high structural stability, high safety performance, good thermal stability and good sealing performance. Furthermore, due to good structural stability and good thermal stability of the furnace top, the size of the furnace top can be increased, thereby being capable of increasing the size and the furnace capacity of the furnace body and improving the calcining quality and the production efficiency.
Description
technical field [0001] The invention relates to a fluidized roasting furnace, in particular to a fluidized roasting furnace with an integrated roof. Background technique [0002] Fluidized roaster is a commonly used pyrometallurgical roasting equipment, which is used to roast mineral materials. The roof of the traditional fluidized roaster is made of refractory bricks. The flexibility of the roof is poor, so the structural stability and thermal stability are poor, and bricks are prone to fall off during use, and the safety is poor. The furnace roof made of refractory bricks is prone to air leakage and poor environmental protection. The sulfur dioxide gas exposed from the furnace body will form sulfuric acid and easily corrode the furnace shell. [0003] In addition, the size of the furnace roof made of refractory bricks is limited, thereby limiting the size of the roasting furnace. The upsizing of the furnace is limited. In order to build the furnace roof with refractory ...
Claims
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IPC IPC(8): F27B15/00F27B15/02F27B15/06
Inventor 周远翔邬传谷张振民朱让贤李炬王忠实尉克俭
Owner CHINA ENFI ENGINEERING CORPORATION