Device for treating ammonia nitrogen waste water and method for degrading ammonia nitrogen waste water by using device

A technology of ammonia nitrogen wastewater and treatment device, which is applied in water/sewage treatment, heating water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of large and complicated stripping devices, high investment and operating costs, and large gas consumption and other problems, to achieve the effects of high ammonia nitrogen removal efficiency, low investment and operating costs, and lower wastewater temperature.

Active Publication Date: 2012-07-11
CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this technology uses ultrasonic waves to improve the blow-off removal rate, there are still disadvantages such as large and complex blow-off devices, inconvenient operation, large gas consumption, and high investment and operating costs.

Method used

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  • Device for treating ammonia nitrogen waste water and method for degrading ammonia nitrogen waste water by using device
  • Device for treating ammonia nitrogen waste water and method for degrading ammonia nitrogen waste water by using device
  • Device for treating ammonia nitrogen waste water and method for degrading ammonia nitrogen waste water by using device

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Embodiment

[0027] a kind of like figure 1 The shown ammonia nitrogen waste water treatment device of the present invention, this device comprises interconnected pretreatment device 10 and supersonic flash tower 3, the bottom of this supersonic flash tower 3 is communicated to the top of supersonic flash tower 3 by liquid circulation system . The liquid flow circulation system includes a liquid flow conveying pipeline 7 connecting the bottom of the ultrasonic flash tower 3 with the top, the liquid flow conveying pipeline 7 is provided with a circulating pump 2 and a liquid storage tank 1, and the outlet of the liquid flow conveying pipeline 7 is provided with a Nozzle 5. A heater 9 is arranged in the liquid storage tank 1 (a heating pipe can also be installed on the liquid flow delivery pipeline 7). The top of the ultrasonic flash tower 3 is also connected with a gas export device, which includes a gas delivery pipeline 8 drawn from the top of the ultrasonic flash tower 3 and a vacuum p...

Embodiment 2

[0036] a kind of like figure 2 The shown ammonia nitrogen waste water treatment device of the present invention, this device comprises interconnected pretreatment device 10 and supersonic flash tower 3, the bottom of this supersonic flash tower 3 is communicated to the top of supersonic flash tower 3 by liquid circulation system . The liquid flow circulation system includes a liquid flow conveying pipeline 7 connecting the bottom of the ultrasonic flash tower 3 with the top, the liquid flow conveying pipeline 7 is provided with a circulation pump 2 and a liquid storage tank 1, and the outlet of the liquid flow conveying pipeline 7 is provided with a Nozzle 5. The top of the ultrasonic flash tower 3 is also connected with a gas export device, which includes a gas delivery pipeline 8 drawn from the top of the ultrasonic flash tower 3 and a vacuum pump 4 installed on the gas delivery pipeline 8, and the gas export device is connected with Ammonia recovery unit 11. An ultrason...

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Abstract

The invention discloses a device for treating ammonia nitrogen waste water and a method for degrading the ammonia nitrogen waste water by using the device. The device comprises an ultrasonic flash tower, wherein the tower bottom is communicated with the tower top through a liquid flow circulation system; the tower top is connected with a gas guiding device; a heater is arranged in the liquid flowcirculation system or the ultrasonic flash tower; and ultrasonic equipment is arranged in the ultrasonic flash tower. The method comprises the following steps: adjusting the pH value of the waste water, conveying to the device, turning on the heater, and heating the waste water; conveying the waste water into the tower top of the ultrasonic flash tower by using the liquid flow circulation system,starting to flash and performing ultrasonic treatment on the ammonia nitrogen waste water at the tower bottom by using the ultrasonic equipment at the tower bottom; guiding the generated ammonia by using the gas guiding device and collecting the ammonia; and continuously heating the waste water subjected to the flash ultrasonic treatment, returning to the liquid flow circulation system and performing more than two stages of treatment, so that treatment on the ammonia nitrogen waste water reaches the standard. The device is simple in structure, convenient to operate, low in investment and operation cost and high in ammonia nitrogen removal efficiency.

Description

technical field [0001] The invention relates to a sewage treatment device and a treatment method, in particular to a treatment device and a treatment method for ammonia nitrogen wastewater. Background technique [0002] With the development of modern industry, the industrial wastewater produced by it has increasingly become a more serious factor affecting the environment. Especially for the high-concentration ammonia-nitrogen wastewater produced by chemical industry, smelting and other industries, the wastewater not only has a wide range of sources, but also has a large amount of discharge, such as chemical fertilizers, smelting, coking, petrochemicals, pharmaceuticals, food, and landfills. concentrated ammonia nitrogen wastewater. The discharge of a large amount of ammonia nitrogen wastewater into the water body will not only cause eutrophication of the water body, cause the water body to be black and smelly, but also increase the difficulty and cost of water supply treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/06C02F1/36C02F1/58C01C1/02
Inventor 蒋晓云徐先锋黄卫锋谭自强王强
Owner CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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