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Tail heat recovery screen mesh plate turning type drying machine

A sieve flap, tail heat recovery technology, applied in progressive dryers, dryers, drying gas layout, etc., can solve the problems of personnel and equipment safety accidents, strong vibration, etc., to achieve reliable use, high strength, Material saving 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 recovery screen mesh plate turning type drying machine
  • Tail heat recovery screen mesh plate turning type drying machine
  • Tail heat recovery screen mesh plate turning type drying machine

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Embodiment Construction

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

[0033] like figure 1 , figure 2 , image 3 and Figure 4 The tail heat recovery sieve flap type dryer shown includes 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 an impeller back plate 37, an impeller face plate 38 and blade...

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Abstract

The invention discloses a tail heat recovery screen mesh plate turning type drying machine. A box of the drying machine is provided with a screen mesh plate turning plate type conveying device from top to bottom. The box of the drying machine is divided into an upper drying area, a middle drying area and a lower drying area. The upper drying area is connected with an induced draft fan through an air heat exchanger, and then evacuation is carried out. 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 provided with a structure with hollow inverted-drop-shaped blades and a dish-shaped back plate. The contour line of the appearance of the induced draft fan is an involute. The tail heat recovery screen mesh plate turning type drying machine is simple and reasonable in tail heat recovery, damp and hot tail gas obtained after heat recovery is exhausted through the induced draft fan, effective cooling and further tail heat recovery are carried out on dried materials, and energy saving and emission reducing are promoted. Due to the structure that the blades are in a hollow inverted drop shape and the back plate is in a dish shape, dust is removed in real time, and the strength of the impeller of the fan is increased; and stability is improved, potential safety hazards caused by dust accumulation are effectively eradicated, and wide application prospects are achieved.

Description

technical field [0001] The invention relates to a drier, in particular to a tail heat recovery sieve hole flap type drier with no dust accumulation in the fan. 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 tail gas is rich in a large amount of tail heat, it is necessary to perform tail heat recovery operation on the tail gas. Therefore, it is important to optimize the tail heat recovery design. significance. ...

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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