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

Method for treating slime water based on polyacrylamide

A technology of polyacrylamide and coal slime water, which is applied in the direction of special treatment targets, water/sewage treatment, chemical instruments and methods, etc., and can solve the problems of low efficiency of coal washing sewage treatment

Inactive Publication Date: 2020-10-27
CHINA COAL FIRST CONSTR
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a method for treating coal slime water based on polyacrylamide, which solves the problem of low efficiency of coal washing sewage treatment caused by the limited capacity of the separation tank in the prior art

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 slime water based on polyacrylamide
  • Method for treating slime water based on polyacrylamide
  • Method for treating slime water based on polyacrylamide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all involve the protection scope of the present invention.

[0043] Such as Figure 1 to Figure 6 As shown, this embodiment proposes a method for treating coal slime water based on polyacrylamide, which includes a separation tank 1, a liquid injection pipe 2, a control cabinet 4, a monitoring device 5, a heating device 6, a cleaning device 7, and a clean water pipe 8 and sewage pipe 9, are characterized in that, comprise the following steps:

[0044] Inject the slime water into the separation tank 1;

[0045] Pass into the polyalum...

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 the technical field of coal washing sewage treatment, and provides a method for treating slime water based on polyacrylamide. The method comprises the following steps: injecting slime water into a separation tank; respectively introducing a polyaluminium chloride solution with the concentration of 0.3% and a ferrous sulfate solution with the concentration of 0.2% into theseparation tank; after 2-4 minutes, introducing a polyacrylamide solution with the concentration of 0.5% into the separation tank; keeping the temperature of the solution in the separation tank at 48-52 DEG C through a heating device; and controlling dynamic adjustment of the three solutions in real time through the monitoring device. By means of the technical scheme, the problem that in the priorart, the coal washing sewage treatment efficiency is low due to the fact that the capacity of the separation pool is limited is solved.

Description

technical field [0001] The invention relates to the technical field of coal washing sewage treatment, in particular to a method for treating coal slime water based on polyacrylamide. Background technique [0002] There are many coal slag, coal gangue, sandstone, and coal ash that are difficult to settle in suspended matter in the coal washing water, and there are also a large amount of sulfur-containing and carbon-containing organic pollutants that are insoluble in water. At present, polyaluminum chloride and polyacrylamide are commonly used as flocculants. The flocculation and sedimentation time is long, the flocs are loose, and it is easy to disperse when shaking, and it is easy to form suspended matter again. The performance of the coal washing sewage treatment agent directly affects the production and economic benefits of the coal washing plant. The existing coal washing sewage treatment agent usually uses anionic polyacrylamide, which has the advantage of being able to...

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): C02F1/52C02F1/56C02F1/02
CPCC02F1/5236C02F1/56C02F1/5281C02F1/02C02F2303/14
Inventor 杨海涛曹清杰徐国培田超孙永兴白宏永刘猛王成鑫郑付友王伟
Owner CHINA COAL FIRST CONSTR
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

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com