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Wet wood shaving drying system and drying process

A drying process and drying system technology, applied in the direction of drying solid materials, drying gas layout, non-progressive dryers, etc., can solve problems such as hidden safety hazards and easy fire in the drying process, and achieve easy control, elimination of ignition factors, The effect of protecting the environment

Inactive Publication Date: 2019-08-09
寿光市鲁丽木业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this stage, the drying system of wet shavings with flue gas drying mainly has the following problems: it is easy to cause fire during the drying process, and there are potential safety hazards

Method used

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  • Wet wood shaving drying system and drying process
  • Wet wood shaving drying system and drying process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 A wet shaving drying process and its drying system

[0034] Such as figure 1 As shown, a drying system for wet shavings of the present invention includes a boiler 100, a mixing chamber 350, a hot flue gas cyclone separator 400, an ash discharge screw conveyor 410, a one-way feed trough 465, a single-channel drum dryer 500, Unloading conveyor 560, multi-pipe cyclone separator 650, small waste conveyor 660, main induced draft blower 600, bidirectional control dampers 710, 720, the drying system of the present invention is simple in structure, the price of each component is relatively low, and the manufacturing cost is low, which can widely used on a large scale.

[0035] The high-temperature flue gas in the boiler 100 enters the mixing chamber 350 through the smoke outlet for mixing and air distribution, and the mixed flue gas in the mixing chamber 350 enters the hot flue gas cyclone separator 400 for dust separation.

[0036] The temperature of the high-tempe...

Embodiment 2

[0046] Example 2 A wet shaving drying process and its drying system

[0047] Such as figure 1 As shown, a drying system for wet shavings of the present invention includes a boiler 100, a mixing chamber 350, a hot flue gas cyclone separator 400, an ash discharge screw conveyor 410, a one-way feed trough 465, a single-channel drum dryer 500, Unloading conveyor 560, multi-pipe cyclone separator 650, small waste conveyor 660, main induced draft blower 600, bidirectional control dampers 710, 720, the drying system of the present invention is simple in structure, the price of each component is relatively low, and the manufacturing cost is low, which can widely used on a large scale.

[0048] The high-temperature flue gas in the boiler 100 enters the mixing chamber 350 through the smoke outlet for mixing and air distribution, and the mixed flue gas in the mixing chamber 350 enters the hot flue gas cyclone separator 400 for dust separation.

[0049] The temperature of the high-tempe...

Embodiment 3

[0059] Example 3 A wet shaving drying process and its drying system

[0060] Such as figure 1 As shown, a drying system for wet shavings of the present invention includes a boiler 100, a mixing chamber 350, a hot flue gas cyclone separator 400, an ash discharge screw conveyor 410, a one-way feed trough 465, a single-channel drum dryer 500, Unloading conveyor 560, multi-pipe cyclone separator 650, small waste conveyor 660, main induced draft blower 600, bidirectional control dampers 710, 720, the drying system of the present invention is simple in structure, the price of each component is relatively low, and the manufacturing cost is low, which can widely used on a large scale.

[0061] The high-temperature flue gas in the boiler 100 enters the mixing chamber 350 through the smoke outlet for mixing and air distribution, and the mixed flue gas in the mixing chamber 350 enters the hot flue gas cyclone separator 400 for dust separation.

[0062] The temperature of the high-tempe...

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Abstract

The invention provides a wet wood shaving drying process and drying system. The drying system comprises a boiler, a mixing chamber, hot flue gas cyclone separators, an ash discharge screw conveyor, aone-way feed chute, a single-channel roller dryer, an unloading conveyor, a multi-pipe cyclone separator, a fine waste conveyor, a main induced draft fan and a bilateral control air valve. The temperature of high-temperature flue gas in the boiler is 680-780 DEG C. The temperature of the flue gas after air mixing and distribution is 350-450 DEG C. The oxygen content is 10-11%. The smoke dust content is 300-600 mg / m3. The wind speed of the single-channel roller dryer is 15-20 m / s. The temperature of clean flue gas is 320-450 DEG C. The rotating speed is 10-28 r / min. The outlet temperature is 100-120 DEG C. The drying system provided by the invention is reasonable in structure. The drying effect of the drying process is good. Operation is easy to control. Fire factors are eliminated. The fire rate is reduced. The problem of safety in the existing drying process is solved.

Description

technical field [0001] The invention belongs to the technical field of plate drying, and in particular relates to a drying process of wet shavings and a drying system thereof. Background technique [0002] As we all know, the raw materials of OSB boards are mainly soft needles, small diameter wood of broad-leaved trees, fast-growing thinning wood, etc., such as eucalyptus, fir, poplar thinning wood, etc., which have a wide range of sources and can be made into large panels. The geometrically shaped flakes are dried, glued, orientated and thermoformed. Oriented strand board (OSB) is a flat-pressed particle board made of shavings arranged in a certain direction during paving. Due to the large shape of the shavings, generally oriented strand boards have high requirements on the size and specifications of the raw materials, and are generally planed from small-diameter lumber through long wood shavings, drum shavings, and disc shaving machines. [0003] The shavings have the fo...

Claims

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Application Information

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IPC IPC(8): F26B11/04F23J15/06F23J15/00F26B21/00F26B25/00
CPCF23J15/006F23J15/06F26B11/04F26B21/00F26B25/00
Inventor 薛茂林钟笃章国智武葛立军郑凤山
Owner 寿光市鲁丽木业股份有限公司
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