Method for treating low-temperature low-turbidity water through ultrasonic enhanced coagulation

A low-temperature and low-turbidity water and ultrasonic technology, which is used in flocculation/sedimentation water/sewage treatment, mechanical oscillation water/sewage treatment, etc., can solve the problems of poor purification effect and large dosage of coagulant, and reduce dosage The effect of increasing the coagulation efficiency and improving the dispersion efficiency

Active Publication Date: 2014-08-27
HARBIN INST OF TECH
View PDF1 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of large dosage of coagulant and poor purification effect in the existing low-temperature and low-turbidity water treatment method, and to provide a method for ultrasonically enhanced coagulation treatment of low-temperature and low-turbidity water

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
  • Method for treating low-temperature low-turbidity water through ultrasonic enhanced coagulation
  • Method for treating low-temperature low-turbidity water through ultrasonic enhanced coagulation
  • Method for treating low-temperature low-turbidity water through ultrasonic enhanced coagulation

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0012] Specific implementation mode 1: This implementation mode is a method for ultrasonically enhanced coagulation treatment of low-temperature and low-turbidity water, which is specifically completed according to the following steps:

[0013] 1. Water treatment process: Install the ultrasonic processor on the raw water pipeline of low-temperature and low-turbidity water, and set a coagulant dosing port on the raw water pipeline 10m to 60m away from the end of the ultrasonic processor; 2. Water treatment method: low temperature and low The turbid raw water flows through the ultrasonic processor at a certain flow rate, the ultrasonic frequency is 23.5kHz-25kHz and the ultrasonic intensity is 0.50W / cm 2 ~1.50W / cm 2 , the retention time of raw water in the ultrasonic processor is 1s~100s, when the low temperature and low turbidity water after ultrasonic treatment flows through the coagulant dosing port, the dosage is 30mg / L~40mg / L to add coagulant , through the pipeline or coag...

specific Embodiment approach 2

[0015] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the multi-branch transducers of the ultrasonic processor described in step 1 are fixed on the wall of the ultrasonic processor in parallel with the water inlet pipe, or the ultrasonic processor The multiple transducers of the device are fixed on the wall of the ultrasonic processor perpendicular to the direction of the water inlet pipe. Others are the same as the first embodiment.

specific Embodiment approach 3

[0016] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: in step 1, a coagulant feeding port is set at a distance of 20 m to 30 m from the end of the ultrasonic processor. Others are the same as those in Embodiment 1 or 2.

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

No PUM Login to view more

Abstract

The invention relates to a method for treating low-temperature low-turbidity water, in particular to a method for treating low-temperature low-turbidity water through ultrasonic enhanced coagulation. The method aims to solve the problems that in an existing method for treating the low-temperature low-turbidity water, the dosage of coagulant is large, and the purification effect is poor. The method comprises the steps that an ultrasonic processor is mounted on a low-temperature low-turbidity water inlet pipeline, and a coagulant adding opening is formed in the position, 10 m to 60 m away from the tail end of the ultrasonic processor, of the inlet pipeline; the low-temperature low-turbidity water is injected, meanwhile the ultrasonic processor is started, and when the low-temperature low-turbidity water after ultrasonic treatment flows through the coagulant adding opening, the coagulant is added, the low-temperature low-turbidity water with the coagulant is finally collected in a settling pond, settling is carried out for certain time, and therefore the low-temperature low-turbidity water is treated. The method is mainly used for treating the low-temperature low-turbidity water.

Description

technical field [0001] The invention relates to a method for treating low-temperature and low-turbidity water. Background technique [0002] Coagulation is one of the most critical links widely used in drinking water treatment process, and the research of coagulation technology also has a very important position in the field of environmental science. Low temperature and low turbidity water not only has low water temperature and low turbidity, but also has low oxygen consumption, alkalinity and pH value in water, and high viscosity of water. Therefore, in the process of water purification, after the flocculant is added, the dispersion rate of the agent is low, the use efficiency of the agent is low, the mixing and flocculation is slow, and the alum flowers are small, loose, and difficult to sink, resulting in poor flocculation, precipitation, and filtration effects. Even if the dosage of flocculant is increased, not only the water quality standard for drinking water will not...

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): C02F1/36C02F1/52
Inventor 马军钟翔燕杨家轩王艳杰孙志强
Owner HARBIN INST OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap