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Precoated sand recycling system

A technology of coated sand and ebullating bed, which is applied in the direction of burning various fuels, burning block fuels and liquid fuels, burning block fuels and gaseous fuels, etc., which can solve the problem of improving recovery quality and increasing recovery Problems such as cost and structural design are unreasonable

Inactive Publication Date: 2016-07-13
西安合力汽车配件有限公司
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Problems solved by technology

[0002] In the recycling of coated sand, it is common to use a high-temperature roasting structure for recycling; in the existing technology, the entire recycling system is too simple, and the recycling quality and efficiency need to be improved; especially the entire recycling process involves heating and cooling processes. The structural design of the existing technology in the heating and cooling process is unreasonable, resulting in energy waste and increasing recycling costs

Method used

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  • Precoated sand recycling system
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specific Embodiment approach

[0033] Such as Figure 1~4 As shown, it shows the specific implementation of the present invention, as shown in the figure, the present invention discloses coated sand recycling system, comprises vertical suspended combustion furnace 21 and horizontal ebullating bed 22, and vertical suspended combustion furnace is vertical It is arranged on a horizontal fluidized bed and communicated with the horizontal fluidized bed; the section of the vertical suspension combustion furnace is square, and four burners 23 are installed on the square furnace. The center line is cut in the same imaginary circle clockwise or anticlockwise along the same edge; the bottom of the horizontal fluidized bed is divided into several uniform bottom air distribution bins 26 by lower partitions 25, and each bottom air distribution bin A hot air port 28 is provided; a smoke exhaust port 19 for smoke exhaust is provided on the horizontal fluidized bed;

[0034] As shown in the figure, the smoke outlet on the...

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Abstract

The invention discloses a precoated sand recycling system which comprises an upright suspension combustion hearth and a horizontal type boiling bed, wherein the bottom of the horizontal type boiling bed is partitioned by lower partitioning plates so as to form a plurality of uniform bottom air distribution cabins; a hot air hole is formed in each bottom air distribution cabin; a fume exhaust hole for exhausting fume is formed in the horizontal type boiling bed; the fume exhaust hole in the horizontal type boiling bed is communicated with a fume exhaust pipeline through a flue; a draft fan is arranged at an end part of the fume exhaust pipeline; a dividing wall cooler is arranged below the air distribution cabins of the horizontal type boiling bed; the top end of the dividing wall cooler is connected with the horizontal type boiling bed through a sand falling tube; an air outlet is formed in the upper part of the dividing wall cooler; a sand outlet and an air inlet are formed in the bottom of the dividing wall cooler; the air outlet is connected with an air preheater through a first hot air tube; the inlet of the air preheater is communicated with the first hot air tube; the outlet of a gas conveying pipeline is communicated with hot air holes of the air distribution cabins through a second hot air tube.

Description

technical field [0001] The invention relates to a film-coated sand recycling system, which is specifically used for recycling the film-coated sand. Background technique [0002] In the recycling of coated sand, it is common to use a high-temperature roasting structure for recycling; in the existing technology, the entire recycling system is too simple, and the recycling quality and efficiency need to be improved; especially the entire recycling process involves heating and cooling processes. The unreasonable structural design in the heating and cooling process of the prior art causes waste of energy and increases recovery costs. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a coated sand recycling system for the deficiencies in the above-mentioned prior art, which can realize the recycling and reuse of coated sand with high efficiency and energy saving, and is helpful for continuous production and automatic pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C5/00B22C5/08B22C5/06F23C5/32F27D17/00
CPCB22C5/00B22C5/06B22C5/08F23C5/32F27D17/004
Inventor 叶少腾张义涛
Owner 西安合力汽车配件有限公司
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