Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Treatment device and method for high ammonia-nitrogen wastewater

A technology of treatment device and treatment method, applied in biological treatment device, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of increasing investment cost and difficulty in operation, large oxygen consumption, high sludge concentration, etc. The problem is to prolong the sludge residence time, reduce the cost of process treatment and simplify the process flow.

Pending Publication Date: 2017-04-26
FOCUSED PHOTONICS
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The growth environment of microorganisms and bacteria in nitrification and denitrification is different, and they need to be cultivated and operated separately, and they need to be carried out in two pools separately, which increases the investment cost and operation difficulty;
[0006] 2. The growth rate of nitrifying bacteria is slow and it is difficult to maintain a high sludge concentration. A complete sludge return system is required, resulting in long hydraulic retention time of the system and low load. The volume of denitrification tank and nitrification tank increases, which increases investment. and operating costs;
[0007] 3. The nitrification process consumes a lot of oxygen, the power of the fan is large, and the operation consumes a lot of energy;
The cost of the added carbon source is high and the operation is troublesome, and when methanol is used as the carbon source, it is dangerous and the start-up speed of the denitrification microorganism is slow

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Treatment device and method for high ammonia-nitrogen wastewater
  • Treatment device and method for high ammonia-nitrogen wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] figure 2 Schematically provides a simplified structural diagram of the treatment device for high ammonia nitrogen sewage in the embodiment of the present invention, as figure 2 Shown, the treatment device of described high ammonia nitrogen sewage comprises:

[0040] Regulating pool 11, the regulating pool is used to accommodate sewage to be treated;

[0041] Dosing unit 21, the dosing unit is used to transport acid or lye to the regulating pool to adjust the pH value of the sewage to be treated, such as 7.5-8.5;

[0042] A processing unit, the processing unit comprising:

[0043] Tank body 81, the tank body is cylindrical, the upper part of the tank body has an outlet 71, and the position of the outlet is higher than the top of the second separator;

[0044] The first container 31, the first container is arranged in the tank and is processed in the second container, the bottom has an opening, and an isolation net is arranged at the opening to prevent the filler fro...

Embodiment 2

[0056]An application example of the device and method for treating high ammonia nitrogen sewage according to Embodiment 1 of the present invention.

[0057] In this application example, if figure 2 As shown, the tank body 81 is cylindrical, and the bottom is an inverted cone; the first spacer and the second spacer are both cylindrical; the upper part 42 of the first spacer is inclined, and the first spacer to The horizontal distance of the inner wall of the tank becomes smaller from top to bottom, and the lower part 41 is vertically arranged; the upper part 52 of the second spacer is vertically arranged, and the bottom 51 is in the lower part of the second container, and is in an inverted cone shape. There is an opening 91 at the central axis of the two spacers; the top position of the second spacer is lower than the top position of the first spacer; the aeration module 61 is arranged between the bottom of the second spacer and the second container , the aeration ports are a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
porosityaaaaaaaaaa
Login to View More

Abstract

The invention provides a treatment device and method for high ammonia-nitrogen wastewater. The treatment device comprises an adjustment pool, chemical feeding units, a tank, a first container, a second container, a first separating piece, a second separating piece and an aeration module, wherein the chemical feeding units are used for adjusting the PH value of the wastewater; an opening is formed in the upper portion of the tank; the first container is arranged in the tank and located in the second container, an opening is formed in the bottom of the first container, and a separating net is arranged in the opening; padding is arranged in the first container; wastewater output by the adjustment pool is sent into the first container; the second container is arranged in the tank, an opening is formed in the bottom of the second container, and a separating net is arranged in the opening; padding is arranged in the second container; wastewater output by the adjustment pool is sent into the second container; the first separating piece and the second separating piece are arranged in the portion, outside the second container, of the tank from top to bottom; the upper portion of the first separating piece is inclined, and the horizontal distance between the first separating piece and the inner wall of the tank is decreased from top to bottom; the top end of the second separating piece is lower than the first separating piece; the second separating piece is provided with an opening; and the aeration module is arranged under the second container. The treatment device and method for the high ammonia-nitrogen wastewater have the advantages of efficient operation, good application prospects and the like.

Description

technical field [0001] The invention relates to sewage treatment, in particular to a treatment device and method for high ammonia nitrogen sewage. Background technique [0002] A large amount of nitrogen accumulation in sewage can easily lead to serious deterioration of the water environment, such as eutrophication of rivers and lakes, so denitrification has become an indispensable and important link in sewage treatment. [0003] Such as figure 1 As shown, the traditional biological denitrification process is as follows: the pretreated sewage enters the anoxic tank, and completes the denitrification reaction in the anoxic tank together with the nitrification liquid that has undergone aerobic nitrification backflow to generate nitrogen, and the sedimentation tank returns sludge to the anoxic tank to maintain the sludge concentration in the anoxic tank; after the denitrification reaction, the sewage enters the aerobic tank for nitrification reaction to produce nitrate nitroge...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F3/34C02F101/16
CPCC02F3/302C02F3/34C02F2203/006C02F2301/04C02F2101/16C02F2001/007
Inventor 程红泉滕燕杜益岗许少波杜劲冬杜家慧谭谈
Owner FOCUSED PHOTONICS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products