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An ultra-low energy consumption circulating fluidized bed air drying equipment

A circulating fluidized bed and airflow drying technology, which is applied in the direction of drying solid materials, lighting and heating equipment, heating to dry solid materials, etc., can solve the problem of limited effect, insufficient heat and moisture exchange speed between drying medium and materials, and drying equipment. The temperature of the surface and exhaust gas cannot be lowered to achieve the effect of low energy consumption

Active Publication Date: 2015-08-26
云南彝医药开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these methods are effective, the effect is limited. The reason is that the heat and moisture exchange speed between the drying medium and the material of the existing drying equipment is not fast enough, and the temperature of the surface of the drying equipment and the exhaust gas cannot be lowered.

Method used

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  • An ultra-low energy consumption circulating fluidized bed air drying equipment
  • An ultra-low energy consumption circulating fluidized bed air drying equipment
  • An ultra-low energy consumption circulating fluidized bed air drying equipment

Examples

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no. 1 example

[0020] The first embodiment: an ultra-low energy consumption circulating fluidized bed airflow drying equipment.

[0021] see Figure 1 to Figure 4 , the ultra-low energy consumption circulating fluidized bed air drying equipment includes fan 1, circulation pipeline I2, dust collector 4, regulating valve 5, inlet tee 6, circulation pipeline II7, the above components are blower 1 outlet, circulation pipe Road I2, dust collector 4 intake pipe 40, dust collector 4 ash discharge pipe 49, regulating valve 5, intake tee 6, circulation pipeline II7, fan 1 inlet are connected in sequence to form a circulation channel; circulation pipeline I2 and circulation pipe Road Ⅱ7 is wrapped with thermal insulation material glass wool felt 31, there is a discharge port on the circulation line Ⅰ2, and a discharge valve 3 is installed on the discharge port, there is a feeding port on the circulation line Ⅱ7, and a feeding valve 8 is installed on the feeding port. Another port of the tee 6 is an ...

no. 2 example

[0023] The second embodiment: another ultra-low energy consumption circulating fluidized bed airflow drying equipment.

[0024] see Figure 5 and Figure 6 , the ultra-low energy consumption circulating fluidized bed air drying equipment includes fan 1, circulation pipeline I2, dust collector 4, regulating valve 5, intake tee 6, circulation pipeline II7, dust collector 21, pipeline A22, dust collector 23. Pipeline B24, fan 27, the above-mentioned components are according to fan 1 outlet, circulation pipeline I2, dust collector 21 intake pipe 40, dust collector 21 ash discharge pipe 49, pipe A22, dust collector 23 intake pipe 40, dust collector 23 dust discharge Pipe 49, pipe B24, dust collector 4 intake pipe 40, dust collector 4 ash discharge pipe 49, regulating valve 5, air intake tee 6, circulation pipeline II7, inlet of fan 27, outlet of fan 27, and inlet of fan 1 It forms a circulation channel; the circulation pipeline Ⅰ2 and the circulation pipeline Ⅱ7 are wrapped with...

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Abstract

The invention discloses a circulating fluidized bed pneumatic drying device with ultra-low energy consumption. According to the circulating fluidized bed pneumatic drying device, a circulating channel is formed by a draught fan (1), a circulating pipe I (2), a dust remover (4), an adjusting valve (5), an air inflow three-way joint (6) and a circulating pipeline II (7). Air flow is sucked from an air inlet of the air inflow three-way joint (6), under the action of the draught fan, materials and the air flow are mixed inside the circulating channel to form a fluidized state and flow circularly at high speed, water of the materials is rapidly vaporized in the flowing process, the heat absorption capacity is large during water vaporization, the wet air flow is exhausted from an exhaust port of the dust remover (4), and the temperature of the wet air flow is low; due to heat insulation materials wrapping the circulating pipe, heat losses are reduced, and drying energy consumption is low.

Description

technical field [0001] The invention relates to an airflow drying equipment for granular materials and powder materials. Background technique [0002] Drying equipment is a high-energy-consuming equipment. Reducing the energy consumption of drying equipment is of great significance to energy saving, emission reduction and clean production. The methods usually used for drying and energy saving are: (1) reduce the heat loss in the drying process; (2) reduce the evaporation load of the dryer; (3) increase the air temperature at the inlet of the dryer and reduce the temperature of the exhaust gas at the outlet; (4) part of the exhaust gas Recycling. Although these methods are effective, the effect is limited. The reason is that the heat and moisture exchange speed between the drying medium and the material of the existing drying equipment is not fast enough, and the temperature of the surface of the drying equipment and the exhaust gas cannot be lowered. Drying has great poten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B3/08
Inventor 杨韵洁贾芸菁李冬梅
Owner 云南彝医药开发有限公司
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