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A New Packed Tower for Improving Gas Utilization Efficiency

A packing tower and gas technology, which is applied in the field of wastewater treatment devices, can solve problems such as low gas utilization rate, uneven distribution of water and gas, and unstable operation process, so as to reduce operating costs, improve gas utilization efficiency, and increase active ingredients The effect of utilization efficiency

Active Publication Date: 2017-10-03
NANJING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems of uneven distribution of water and gas, low gas utilization rate and unstable operation process in the process of treating waste water and waste gas in the traditional packed tower, the present invention provides a new packed tower with improved gas utilization efficiency

Method used

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  • A New Packed Tower for Improving Gas Utilization Efficiency
  • A New Packed Tower for Improving Gas Utilization Efficiency
  • A New Packed Tower for Improving Gas Utilization Efficiency

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, a new type of packed tower for improving gas utilization efficiency, including a tower body 1, a water inlet 10, a water distribution filter head 12, an air inlet 9, an aeration head 11, a packing layer 7, and a herringbone water eliminator 3 , exhaust port 5 and water outlet 6. When treating waste water, after the waste water enters the tower body 1 through the water inlet 10, the water is distributed by the water distribution filter 12 at the bottom of the tower body, and after the gas enters through the air inlet 9, it is aerated by the bottom aeration head 11, and the waste water and After the gas is fully reacted in the packing layer 7 of the tower body, the water is collected by the herringbone water collector 3 on the top of the tower body, and the residual gas contained in the treated wastewater is discharged through the exhaust port 5 at the tail of the water collector. The waste water is discharged from the water outlet 6. At the s...

Embodiment 2

[0039] The packed tower used in this example is basically the same as that in Example 1, the only difference is that the water distribution filter head used is the LMT-0.5B water distribution filter head of Beijing Chunqiu Dingsheng Environmental Protection Technology Co., Ltd. The air head is the KKI microporous aeration head of Jiangsu Yixing Nuopang Environmental Protection Co., Ltd.

[0040] After the waste water in Example 1 was treated by the novel packed tower in this embodiment, the ozone concentration in the tail gas after the reaction was 22 mg / L, and the ozone utilization rate was 72.5%, which was 10% higher than that in the traditional packed tower.

Embodiment 3

[0042] The packed tower used in this example is basically the same as Example 1, the only difference is that the water distribution filter head used is the YQSC long handle filter head of Jiangsu Jingyu Water Treatment Equipment Co., Ltd., and the aerator head used is YMB-I microporous aeration head of Jiangsu Yixing Gaocheng FRP Chemical Equipment Factory.

[0043] After the waste water in Example 1 was treated by the novel packed tower in this example, the ozone concentration in the tail gas after the reaction was 15 mg / L, and the ozone utilization rate was 81.25%, which was 18.75% higher than that in the traditional packed tower.

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Abstract

The invention discloses a novel filler tower capable of improving utilization efficiency of gas and belongs to the field of wastewater treatment equipment. The novel filler tower comprises a tower body, a water distributing filter head, a gas aeration head, a filler layer and a fishbone-like water collector. During treatment of wastewater, the wastewater enters the tower body via a water inlet, water is distributed by virtue of the water distributing filter head at the bottom of the tower body, gas enters via a gas inlet, aeration is carried out by virtue of an aeration head arranged at the bottom, and a gas-water mixed high-efficiency reaction zone is formed; and after the wastewater and the gas fully react at the filler layer of the tower body, effluent is collected by virtue of the fishbone-like water collector at the top of the tower body, residual gas contained in the treated wastewater is discharged out via an air outlet at the tail of the water collector, and the treated wastewater is discharged out via a water outlet. The novel filler tower capable of improving the utilization efficiency of the gas has the advantages that the gas utilization efficiency of a cocurrent filler tower can be effectively improved, height of the filler layer is reduced, equipment manufacturing investment cost is reduced, the phenomena that resistance is improved and blockage is caused in an operational process are effectively reduced, and operation stability of the filler tower is improved.

Description

technical field [0001] The invention belongs to the field of waste water treatment devices, and in particular relates to a novel packing tower for improving gas utilization efficiency. Background technique [0002] In wastewater treatment, gas-water heterogeneous reaction treatment units are often involved, such as: ozone oxidation of organic chemical wastewater, chlorine dioxide oxidation of cyanide-containing wastewater, etc. In engineering, a parallel-flow packed tower is usually used as a device for gas-water two-phase reaction. [0003] Traditional packed towers usually use perforated domes or perforated water distribution pipes at the bottom of the tower for primary water and gas distribution, and then secondary distribution of gas and water through the cushion layer under the single packing layer and the packing itself. The turbulence degree of the whole system and air distribution is low, the effect is poor, and there is almost no cutting ability for air bubbles. I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/76C02F1/78
Inventor 张猛张炜铭陈良吕路吴黎明汪林徐敬生高桂新李鹏飞赵昕
Owner NANJING UNIV