Tail heat utilization screen hole plate turnover type dryer

A technology of sieve flaps and dryers, which is applied in the direction of progressive dryers, dryers, drying gas arrangement, etc., can solve problems such as strong vibration, personnel and equipment safety accidents, etc., and achieve high strength, reliable use, and application promising effect

Active Publication Date: 2015-11-18
GUANGXI SHENGLONG METALLURGICAL CO LTD
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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 utilization screen hole plate turnover type dryer
  • Tail heat utilization screen hole plate turnover type dryer
  • Tail heat utilization screen hole plate turnover type dryer

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Embodiment Construction

[0029] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0030] Such as figure 1 , figure 2 , image 3 and Figure 4 The shown tail heat utilizes a sieve hole flap type dryer, including a dryer box 3 and an induced draft fan A. The dryer box 3 is provided with a driving wheel, a passive wheel and a stainless steel sieve plate to form a top-down sieve hole flap type conveying 2; There is a middle partition 7 and a lower partition 8 inside the dryer cabinet 3 to divide the dryer cabinet 3 into upper, middle and lower drying areas; The air inlet of the heat exchanger 4 is connected to the atmosphere, and the air outlet is connected to the air inlet of the blower 5 through the air pipe 11, and the air outlet of the blower 5 is connected to the steam fin heater 6 in the drying area; the induced draft fan includes a fan impeller 41 and a casing 45. The fan impeller 41 includes the impeller back plate 37, the impeller face plat...

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Abstract

The invention discloses a tail heat utilization screen hole plate turnover type dryer. Screen hole plate turnover type conveying from top to bottom is adopted in a box of the dryer, and the box of the dryer is divided into an upper drying area, a middle drying area and a lower drying area. The upper drying area is connected with an inducted draft fan through an air heat exchanger and then emptied. A fresh air outlet of the air heat exchanger is connected with an air inlet of an air blower, and an air outlet of the air blower is connected with a steam fin heater in the middle drying area. An impeller of the induced draft fan is of the structure that blades are in a hollow wedge shape, and the contour line of the appearance of the induced draft fan is an involute. Tail heat utilization is simple and reasonable, damp and hot tail gas obtained through heat recovery is exhausted out through the induced draft fan, dried materials are effectively cooled, tail heat utilization is further conducted, and energy saving and emission reduction are promoted. Through the structure that the blades are in the hollow wedge shape, dust is cleaned away in real time, the impeller strength of the fan is increased, stability is increased, safety accidents caused by dust accumulation are effectively eradicated, and the application prospect is wide.

Description

technical field [0001] The invention relates to a drying machine, in particular to a sieve-hole flap-type drying machine in which tail heat from a fan does not accumulate dust. Background technique [0002] Due to its mature technology, strong adaptability, low operating cost and high reliability, hot air dryer has become one of the first choice equipment for material drying. The sieve flap dryer is a kind of hot air dryer, which has the characteristics of simple structure and strong processing capacity, and the quality of the dried product is particularly uniform and reliable because the material is turned over layer by layer during operation. During the drying process, the sieve flap dryer needs to continuously discharge hot and humid tail gas to promote the drying process. Since the exhaust gas is rich in a large amount of tail heat, it is necessary to perform tail heat utilization operations on the tail gas. Therefore, it is important to optimize the design of tail heat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B15/06F26B21/00
CPCY02P70/10
Inventor 杨正华银永忠曾爱华
Owner GUANGXI SHENGLONG METALLURGICAL CO LTD
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