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Energy saving device and energy saving method of solvent purifying system of fluidized floatation bed

A purification system and energy-saving device technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve the problems of low-concentration solvent waste gas energy saving and other issues

Active Publication Date: 2012-05-23
CHENG YUAN ENVIRONMENTAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The main purpose of the present invention is to overcome the above-mentioned shortcomings of existing products, and provide an energy-saving device and method for a fluidized floating bed solvent purification system, which can solve the problem that the prior art cannot relatively save energy when dealing with low-concentration solvent waste gas, And it has the effect of relatively saving energy when dealing with low-concentration solvent waste gas

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  • Energy saving device and energy saving method of solvent purifying system of fluidized floatation bed
  • Energy saving device and energy saving method of solvent purifying system of fluidized floatation bed
  • Energy saving device and energy saving method of solvent purifying system of fluidized floatation bed

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Embodiment Construction

[0054]First, see figure 1 As shown, a common fluidized floating bed solvent purification system includes: a fluidized floating bed 10, allowing the adsorbent 30 to fall from the top to the bottom to absorb the solvent in the waste gas; a desorption tower 40, allowing the adsorbent 30 to The top falls to the bottom and the adsorbed solvent is heated and desorbed; an adsorbent material absorption and desorption conveying device 20 transports the adsorbent material 30 falling to the bottom of the fluidized floating bed 10 to the top of the desorption tower 40, and The adsorbent material 30 at the bottom of the desorption tower 40 is transported to the top of the fluidized floating bed 10 .

[0055] Furthermore, the adsorption and desorption conveying device 20 of the adsorbent includes: a first conveying gas source 22, a first lower conveying transfer device 23, a first upper conveying adapter 24, a second lower conveying transfer device 27, a second upper conveying device Deliv...

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Abstract

The invention relates to an energy saving device and an energy saving method of a solvent purifying system of a fluidized floatation bed. The energy saving device comprises: a fluidized floatation bed for an adsorption material to adsorb solvents in an exhaust gas; a desorption tower for the adsorption material to heat-desorb the adsorbed solvents; an adsorption material adsorption and desorption conveying apparatus for conveying the adsorption material falling onto the bottom of the fluidized floatation bed to the top of the desorption tower and conveying the adsorption material falling onto the bottom of the desorption tower to the top of the fluidized floatation bed; an adsorption material cycle adsorption conveying apparatus for conveying the adsorption material falling onto the bottom of the fluidized floatation bed to the top of the fluidized floatation bed; and a control unit for making one of the adsorption material adsorption and desorption conveying apparatus and the adsorption material cycle adsorption conveying apparatus run. The energy saving method comprises the following steps: 1, estimating the adsorption saturation time of the adsorption material; 2, carrying out cycle adsorption and desorption stopping on the adsorption material in the fluidized floatation bed before achieving the adsorption saturation time of the adsorption material; and 3, carrying out cycle adsorption stopping and desorption on the adsorption material in the fluidized floatation bed when achieving the adsorption saturation time of the adsorption material. Energy saving is realized when processing low concentration solvents and exhaust gases.

Description

technical field [0001] The invention relates to an energy-saving device for a solvent purification system of a fluidized floating bed, which allows the adsorbent to perform a cyclic adsorption process in the fluidized floating bed and suspends the desorption process when the solvent concentration at the discharge end of the fluidized floating bed is lower than the discharge standard and methods. Background technique [0002] The adsorption material with high porosity and high specific surface area is an adsorption purification technology that removes volatile organic solvents (Volatile Organic Compounds, VOCs) by adsorption. Generally, a fixed-bed adsorption system is used; and the fixed-bed adsorption system is based on The two-tower or multi-tower batch operation mode is used for the adsorption of waste gas and the regeneration of the adsorbent material after adsorption saturation. Only in the case of highly reactive VOCs treatment, the adsorbed chemicals often produce cat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/08
Inventor 林易成賴昱誠
Owner CHENG YUAN ENVIRONMENTAL TECH
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