A tail heat recovery hot air penetrating countercurrent dryer

A tail heat recovery and drying machine technology, which is applied in the field of drying machines, can solve the problems of personnel and equipment safety accidents, strong vibration, etc., and achieve the effects of reducing equipment investment, effective utilization, and easy production

Active Publication Date: 2018-02-09
湖北楚佳茶业有限公司
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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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  • A tail heat recovery hot air penetrating countercurrent dryer
  • A tail heat recovery hot air penetrating countercurrent dryer
  • A tail heat recovery hot air penetrating countercurrent dryer

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Embodiment Construction

[0032] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0033] Such as figure 1 , figure 2 , image 3 with Figure 4 The tail heat recovery hot air penetrating countercurrent dryer shown in the figure includes a dryer box 21 and an induced draft fan A. The two ends of the dryer box 21 are respectively provided with an exhaust hood 13 and an air inlet hood 17, and the exhaust hood 13 is connected to the induced draft fan. A, the induced draft fan A is tangentially connected to the high-efficiency cyclone dust removal tail heat recovery device formed by the superimposition of the tube-and-tube heat exchanger 4 and the cyclone dust collector 1, and then emptied; the shell-side inlet end of the tube-and-tube heat exchanger 4 is connected to the blower 9. The air outlet end is connected to the air inlet hood 17 through the steam fin heater 10; the induced draft fan A includes a fan impeller 41 and a casing 45, and the fan imp...

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PUM

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Abstract

The invention discloses a hot wind type penetration reverse flow drying machine capable of recycling tail heat. A draught hood and a wind inlet hood are arranged at the two ends of a case body of the drying machine respectively. The draught hood is tangentially connected with a cyclone dust removing tail heat efficient recoverer through a draught fan and then evacuation is conducted. A blast blower is connected with the wind inlet hood through a tube type heat exchanger and a steam fin heater. A draught fan impeller is provided with hollow inverse-drop-shaped blades, and a back plate is of a dishing structure. The outline of the draught fan is an involute. According to the hot wind type penetration reverse flow drying machine capable of recycling tail heat, tail heat recovery and dust removal are creatively integrated, the cyclone dust removing tail heat efficient recoverer is designed, the equipment investment is reduced, and the working efficiency is improved. By means of the draught fan, a soft partition plate and an axial fan, penetration type reverse flow drying is ingeniously achieved, and the working efficiency is improved. The blades are in the hollow inverse drop shape, the back plate is of the dishing structure, and therefore real-time cleaning of dust on the impeller is achieved, the strength of the impeller of the draught fan is improved, stability is enhanced, accidents caused by dust accumulation are effectively eradicated, and the application prospects are wide.

Description

technical field [0001] The invention relates to a drying machine, in particular to a tail heat recovery hot air penetrating countercurrent drying machine in which a fan does not accumulate dust. Background technique [0002] Due to its mature technology, strong adaptability, low operating cost and strong reliability, the hot air dryer is still one of the main preferred equipment for drying materials. If the material can be penetrated and countercurrently dried during the hot air drying process, And the 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 very important for the dehumidification of the dryer. Because most of the occasions where the dryer is used contain a certain amount of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B15/18F26B21/00F26B25/00
CPCY02P70/10
Inventor 银永忠姚茂君李志平张旭杨正华
Owner 湖北楚佳茶业有限公司
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