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Multi- flow path transverse circulation gypsum board drying apparatus and its drying method

A drying equipment and multi-process technology, applied in drying, dryers, lighting and heating equipment, etc., can solve the problems of high energy consumption, high production cost, complex structure, etc., achieve uniform drying effect, reduce power consumption, etc. Consumption, the effect of improving thermal efficiency

Active Publication Date: 2008-08-06
SHANDONG TIANLI DRYING TECH & EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of complex structure, high energy consumption and high production cost of the current gypsum board drying equipment, and provide a multi-process horizontal drying machine with the advantages of simple structure, convenient use, effective reduction of energy consumption and production cost. Circulating gypsum board drying equipment and its drying method

Method used

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  • Multi- flow path transverse circulation gypsum board drying apparatus and its drying method
  • Multi- flow path transverse circulation gypsum board drying apparatus and its drying method
  • Multi- flow path transverse circulation gypsum board drying apparatus and its drying method

Examples

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Embodiment 1

[0046] Figure 1 is a schematic flow diagram of hot air as a drying medium and dried materials in drying section 1, which shows four drying sections, that is, four drying processes. The dryer 5 is divided into several drying areas in the direction a of material movement, and each drying area is divided into four drying sections 1 along the main channel 9 separated from each other by the air duct and wind-blocking plate 16, and each drying section 1 The main channels are separated by airflow baffles 15; the air outlet end of each drying section 1 is connected with the air inlet end of the next drying section. In its drying zone, the hot air that provides heat for the drying process adopts a four-flow cross-flow circulation, that is, the hot air passes through four drying zones in sequence in each drying zone in accordance with the flow direction perpendicular to the conveying direction of the material to be dried. Each time a drying section passes through, the temperature of the...

Embodiment 2

[0048] Figures 2 to 5 are structural schematic diagrams of the double-flow drying section, which uses a two-stage drying section, which is a double-flow process. A drying zone of the dryer 5 shown is composed of two closed and closely connected drying sections 1; each drying section 1 is provided with multi-layer conveying rollers 6, which are perpendicular to the conveying direction of the gypsum board. An air blowing pipe 4 is arranged between every two adjacent conveying rollers 6, and the support bearings at both ends of the conveying rollers 6 are fixed on the beam of the corresponding dryer 5, and the conveying rollers 6 are arranged in the main passage 9, The two sides of the main passage 9 are respectively provided with a non-transmission side auxiliary passage 10 and a transmission side auxiliary passage 12, wherein the upper part of the non-transmission side auxiliary passage 10 is provided with a top passage 11, and a circulating fan 3 and a heating device are instal...

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Abstract

The invention relates to multi-paths horizontal circulation drying device for plasterboards and a drying method thereof, and the drying device is formed by a roller conveyer with the closed inner portion provided with one layer, multi-layers in most cases, and an air circulating device, wherein the roller conveyer is disposed in a main passage, two sides of which are provided with auxiliary passages, the upper portion of the auxiliary passage on one side is provided with an overhead passage, and a circulating fan and a heating device are arranged inside the overhead passage. The drying device is divided into a plurality of areas in the direction of material delivery, each area can be divided into 2-4 segments, each segment is provided with a plurality of air supply blowing pipes, and the main passages of each segment are provide with air flow resistant separators. Hot air as drying medium flows reversely at the first and second segments or the third and the fourth segments via the air supply blowing pipes, and reciprocates and circulates within the plate drying area by horizontal double-paths or multi-paths, thereby forming the intrinsic inherent condition which guarantees moisture on the two sides of the dried plate to be uniformly evaporated, simultaneously the multi-paths horizontal circulation drying device has the advantages of flow resistance consumption reduction, exhaust temperature reduction, increasing energy efficiency and construction cost reduction.

Description

technical field [0001] The invention relates to a drying equipment for boards and strips, especially plasterboards, in particular to a multi-flow horizontal circulation gypsum board drying equipment and a drying method thereof which use circulating hot air to provide heat energy for the drying process. Background technique [0002] At present, there are two main categories of drying equipment for continuous automatic industrial installations of wide-width boards, especially gypsum boards: [0003] One type can be called "longitudinal convection type", in which the flow direction of the circulating hot air is on the same straight line as the direction of movement of the board to be dried, parallel or reverse flow, less control sections, relatively simple structure, and low construction cost , the fan drive consumes less power, and the control effect on the drying quality of the board can generally meet the requirements, but it is not ideal under certain conditions; [0004] ...

Claims

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Application Information

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IPC IPC(8): F26B3/02F26B21/00F26B25/12F26B15/18
Inventor 吴静肖文昭王宏耀李胜李选友吴峰王全聚
Owner SHANDONG TIANLI DRYING TECH & EQUIP
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