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Tail heat recovery hot air type penetrating counterflow fluidized drying machine

A tail heat recovery and fluidized drying technology, applied in the direction of dryers, drying solid materials, drying gas layout, etc., can solve the problems of personnel and equipment safety accidents, strong vibration, etc., achieve high drying quality and reduce equipment investment , the effect of improving work efficiency

Inactive Publication Date: 2015-11-18
JISHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once part of the hardened dust is shaken off, it will immediately leave the dynamic rotation balance of the induced draft fan, and then generate strong vibration, which may cause serious personnel and equipment safety accidents

Method used

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  • Tail heat recovery hot air type penetrating counterflow fluidized drying machine
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  • Tail heat recovery hot air type penetrating counterflow fluidized drying machine

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Embodiment Construction

[0033] The present invention will be further described in detail with reference to the accompanying drawings.

[0034] Such as figure 1 , figure 2 , image 3 with Figure 4 The shown tail heat recovery hot air penetrating countercurrent fluidized dryer includes a drying tower 21 and an induced draft fan A. The upper part of the drying tower A is provided with a material-sealed screw feeder 14, and the bottom is provided with a closed air discharger 23; a drying tower The upper part is connected to the induced draft fan A, and the induced draft fan A is tangentially connected to the high-efficiency cyclone dust removal tail heat recovery device formed by the superposition of the tubular heat exchanger 4 and the cyclone dust collector 1 and is emptied; the tubular heat exchanger 4 shell-side inlet The air end is connected to the atmosphere, and the outlet end is connected to the lower part of the drying tower 21 via the blower 12 and the steam fin heater 10; the induced draft fan ...

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Abstract

The invention discloses a tail heat recovery hot air type penetrating counterflow fluidized drying machine. The upper portion of a drying tower is connected with an induced draft fan, the induced draft fan is tangentially connected with a cyclone dust removal tail heat efficient recoverer formed by overlapping a tube type heat exchanger and a cyclone dust collector, and then evacuation is carried out. The shell side air inlet end of the tube type heat exchanger is communicated with the air, and the air outlet end of the tube type heat exchanger is connected with the lower portion of the drying tower through an air blower and a steam fin heater. An impeller of the induced draft fan is provided with the structure with hollow inverted-drop-shaped blades. The contour line of the appearance of the induced draft fan is an involute. According to the tail heat recovery hot air type penetrating counterflow fluidized drying machine, tail heat recovery and dust removal are creatively integrated, the cyclone dust removal tail heat efficient recoverer is designed, equipment investment is reduced, and work efficiency is improved. Screen mesh cone covers, screen mesh cone discs, a blanking tube, a telescopic vibration transmission shaft and a conical plug are arranged, so that penetrating, counterflow, boiling and fluidized drying on materials are achieved ingeniously and perfectly, more energy is achieved, and the drying quality is higher; and the power consumption of the fan is lower, and wider application prospects are achieved.

Description

Technical field [0001] The invention relates to a dryer, which specifically guides the exhaust heat recovery hot air type penetrating countercurrent fluidized dryer with no dust accumulation by the fan. Background technique [0002] The hot air dryer is still one of the main preferred equipment for material drying due to its mature technology, strong adaptability, low operating cost and strong reliability. If the material can be dried through countercurrent fluidization during the hot air drying process , And effective recovery of tail heat is of special significance for improving drying efficiency and realizing energy saving and emission reduction. [0003] The induced draft fan is the key equipment of the hot-air dryer. The induced draft fan is generally a centrifugal fan. The continuous, stable and reliable operation of the induced draft fan is critical to the dryer's moisture removal. Since most of the dryers use occasions contain a certain amount of dust, When the fan is work...

Claims

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Application Information

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IPC IPC(8): F26B17/14F26B21/00F26B25/00F26B25/04
CPCY02P70/10
Inventor 银永忠姚茂君李志平张旭杨正华
Owner JISHOU UNIVERSITY
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