Adsorption tower for fluidized floating bed solvent recovering device and air flow adjusting method thereof
A technology of solvent recovery device and adsorption tower, which is applied to chemical instruments and methods, separation methods, and separation of dispersed particles, and can solve the problem that the air volume of the adsorption tower cannot be adjusted.
Active Publication Date: 2011-09-14
承杰有限公司 +2
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[0010] The main purpose of the present invention is to overcome the disadvantage that the air volume of the adsorption tower of the existing fluidized floating bed adsorption system cannot be adjusted, and provide an adsorption tower of a fluidized floating bed solvent recovery device and a method for adjusting the air volume of the adsorption tower, which has the ability to adjust the air volume of the adsorption tower Efficacy of motorized adjustments
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[0033] refer to image 3 Shown, adsorption tower 10 of the present invention, is in figure 1 The shown prior art adsorption tower is provided with a non-coupling constant air volume control unit 60. This non-coupling constant air volume control unit 60 is to arrange a flowmeter 61 between the exhaust gas fan 14 and the air inlet 13 of the adsorption tower 10, and Make the waste gas blower 14 connect a frequency converter 63, and a flow controller 62 is set between the flowmeter 61 and the frequency converter 63, and the air volume sent into the adsorption tower 10 by the waste gas blower 14 is adjusted manually, and the air volume of the adsorption tower can be adjusted manually Therefore, the spherical adsorbent 30 of the adsorption tower 10 floats stably, and does not fall directly without floating at a low speed, poor fluidized floating, or blown out of the adsorption tower at an excessive speed.
[0034] In addition, one end of a non-coupling balance pipe 64 is connected ...
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The invention provides an adsorption tower for a fluidized floating bed solvent recovering device. The middle section in the adsorption tower is separated into a plurality of layers by making use of a plurality of perforated plates, an airflow dispersing plate is arranged at the bottom end inside the adsorption tower, an airflow inlet is arranged at the bottom and connected with a waste gas fan, an airflow outlet is arranged on the top of the adsorption tower, and spherical adsorption materials adsorbs waste gas in the adsorption tower; a flowmeter is arranged between the waste gas fan and the airflow inlet, the waste gas fan is connected with a frequency converter, and a flow controller is arranged between the flowmeter and the frequency converter. The adsorption tower adopts an air flowadjusting method comprising the following steps: detecting waste gas flow between the waste gas fan and the airflow inlet of the adsorption tower; and backfeeding and controlling the rotational speedof the waste gas fan through detected waste gas flow signals to enable the airflow in the adsorption tower to always keep in a constant air flow state. The invention has the efficacies of adjusting the air flow of the adsorption tower in a manoeuvrable way, greatly improving the performance of the adsorption materials, greatly prolonging the service life, promoting the stability and the safety ofsolvent recovering, and lowering the subsequent purification cost.
Description
technical field [0001] The invention relates to a solvent recovery device for a fluidized floating bed, in particular to a device for adding a non-coupling constant air volume control unit to an adsorption tower so that the spherical adsorption material floats inside the adsorption tower without low-speed non-floating, poor fluidized floating or It is an adsorption tower of a fluidized floating bed solvent recovery device blowing out of the adsorption tower at an overspeed and a method for adjusting the air volume of the adsorption tower. Background technique [0002] The adsorption purification technology that uses adsorption materials with high porosity and high specific surface area to remove volatile organic gases (Volatile Organic Compounds, VOCs) by adsorption generally uses fixed-bed adsorption systems; and fixed-bed adsorption systems are based on two The tower or multi-tower batch operation method is used for the adsorption of waste gas and the regeneration of the a...
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IPC IPC(8): B01D53/08
Inventor 谢绍祖
Owner 承杰有限公司