High-temperature slag economizer

An economizer and slag technology, applied in the direction of heat exchanger types, indirect heat exchangers, fixed tubular conduit assemblies, etc., can solve problems such as blockage of heat exchange tubes

Inactive Publication Date: 2009-04-29
杨正清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-temperature slag economizer to solve the problem of agglomerated slag blocking the heat exchange tube

Method used

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Embodiment Construction

[0012] As shown in the figure, it is a high-temperature slag economizer, which mainly includes an upright casing, and the casing consists of an upper casing 16 at the top, a lower casing 3 at the bottom, and a heat exchange section between the upper and lower casings 3 body 8, the top of the upper shell 16 is provided with a slag inlet 17, the bottom of the lower shell 3 is provided with a slag outlet 1, the upper tube plate 11 is horizontally provided between the upper shell 16 and the heat exchange section cylinder 8, and the lower A lower tube plate 6 is horizontally arranged between the casing 3 and the heat exchange section cylinder body 8, and a number of heat exchange tubes 10 with openings at both ends are vertically provided between the upper tube plate 11 and the lower tube plate 6, and the heat exchange tubes 10 and the upper The tube plate 11 and the lower tube plate 6 are sealed and connected, so that the cavity outside the heat exchange tube 10 in the heat exchang...

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Abstract

The invention discloses a high-temperature slag economizer in the field of acid making equipment. The high-temperature slag economizer comprises a shell consisting of an upper shell, a lower shell and a heat exchange section cylinder body; the top part of the upper shell is provided with a slag inlet; the bottom of the lower shell is provided with a slag outlet; an upper tubeplate is arranged between the upper shell and the heat exchange section cylinder body; a lower tubeplate is arranged between the lower shell and the heat exchange section cylinder body; a plurality of heat exchange tubes are arranged between the upper tubeplate and the lower tubeplate; a water inlet and a water outlet are also arranged on the heat exchange section cylinder body; the centers of the upper tubeplate and the lower tubeplate are provided with central tubes; the upper end of the central tube is provided with a cylindrical central supporting seat; the side of the central supporting seat is provided with a pluralities of axial grooves; the upper end of the central supporting seat is horizontally provided with a disc-shaped feed divider; the periphery of the heat exchange tube is provided with a ring of bypassing tubes; the inside diameter of the heat exchange tube is less than that of the bypassing tube; the inside of the central tube is provided with a signal tube; and the lower part of the signal tube extends to the outside of the lower shell. The high-temperature slag economizer solves the problem that slag agglomerates and blocks the heat exchange tube, and permits the agglomerated slag to pass through the bypassing tube; and the device utilizes residual heat in the manufacturing industry of sulfuric acid to produce low-pressure steam and hot water, thereby saving fuel.

Description

technical field [0001] The invention relates to a slag cooling device in the acid making industry, in particular to a high-temperature slag heat recovery device. Background technique [0002] In the prior art, there is a high-temperature slag heat exchanger, which mainly includes an upright shell, and the shell is composed of an upper shell at the top, a lower shell at the bottom, and a heat exchange section between the upper and lower shells. There is a slag inlet on the top of the upper shell, a slag outlet on the bottom of the lower shell, an upper tube plate is installed horizontally between the upper shell and the heat exchange section cylinder, and the lower shell and the heat exchange section cylinder There is a lower tube plate horizontally between the upper tube plate and the lower tube plate, and a number of heat exchange tubes with openings at both ends are erected between the upper tube plate and the lower tube plate. The cavity on the outside of the heat exchan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/10
Inventor 杨正清
Owner 杨正清
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