Check patentability & draft patents in minutes with Patsnap Eureka AI!

Device and method for testing forced diffusion rule of slurry for goaf filling

A test device and goaf technology, applied in measurement devices, diffusion analysis, instruments, etc., can solve the problems of lack of high-concentration slurry flow law and accumulation law, and achieve the effect of wide applicability

Pending Publication Date: 2022-03-01
XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects and deficiencies in the prior art, the present invention provides a device and method for testing the law of forced diffusion of goaf filling slurry to solve the problem of quantifying the flow of high-concentration slurry in the gob in the prior art. The technical problems of the device and method of the law and accumulation law provide a basis for the design of the goaf treatment and the prediction of the treatment effect

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
  • Device and method for testing forced diffusion rule of slurry for goaf filling
  • Device and method for testing forced diffusion rule of slurry for goaf filling
  • Device and method for testing forced diffusion rule of slurry for goaf filling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Comply with the above technical solutions, such as Figure 1 to Figure 2 As shown, this embodiment provides a test device for forced diffusion law of goaf filling grout, which includes a slurry accumulation diffusion box 1, and the slurry accumulation diffusion box 1 includes a bottom plate 11, and is vertically arranged on the bottom plate 11 and has an adjustable height. The column 12, the side panel 13 that is detachably surrounding the base plate 11 in cooperation with the column 12, and the top plate 14 that is arranged on the top of the column 12; It is 1600mm and the thickness is 5mm.

[0041] In this embodiment, the boundary condition simulation of the gob can be realized by adding and removing the side plate 13. According to the actual situation of the goaf, the height of the column 12 and the quantity of the side plate 13 are designed, such as, there are For remaining coal pillars, install four side plates 13; if there are left coal pillars on three sides near ...

Embodiment 2

[0058] A kind of test method of forced diffusion law of grout for goaf filling in this embodiment, said method is realized by the test device for forced diffusion of grout for goaf filling disclosed in embodiment 1, comprising the following steps:

[0059] Step 1. Collect the exploration data of the goaf, set the height of the hydraulic support, the height of the column, the length of the grouting pipe and the number of side plates according to the obtained exploration data, and then complete the assembly of the test device;

[0060] Specifically, the goaf detection data collected in this embodiment include: the height of the goaf is 0.4m, the inclination angle of the floor of the goaf is 0°, the goaf is dry and waterless, that is, the water level is 0m, and the goaf is 0°. There is no coal pillar left in the grouting range. According to the above-mentioned exploration data, the height of the hydraulic support is set to 0.1m, the inclination angle of the bottom plate is 0°, the...

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
Lengthaaaaaaaaaa
Widthaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a goaf filling slurry forced diffusion law test device which comprises a slurry accumulation diffusion box. The slurry accumulation and diffusion box comprises a bottom plate, a height-adjustable stand column vertically arranged on the bottom plate, a front end plate, a rear end plate, a first side plate, a second side plate and a top plate arranged at the top of the stand column, wherein the front end plate, the rear end plate, the first side plate and the second side plate are matched with the stand column and detachably surround the periphery of the bottom plate. A grouting hole used for grouting is formed in the top plate, a grouting pipe is connected to the grouting hole, slurry pumping equipment is connected to the top end of the grouting pipe, and a pressure detection unit used for collecting slurry flowing pressure is arranged on the grouting pipe; a three-dimensional scanning device is arranged on the bottom face of the top plate, and the image collecting end of the three-dimensional scanning device faces the interior of the slurry accumulation and diffusion box. According to the method, flow accumulation data of the slurry in the goaf are obtained by quantitatively visualizing flow accumulation of the slurry in the goaf, and a test basis is provided for goaf filling design.

Description

technical field [0001] The invention belongs to the technical field of green filling mining and subsidence reduction in the coal industry, and relates to the technical field of fluid diffusion tests, in particular to a device and method for testing the law of forced diffusion of slurry used for goaf filling. Background technique [0002] Coal mine large cavity goaf is a huge cavity left after the mining of underground coal resources. It is an unstable artificial geological structure. With the passage of formation time and changes in the environment, this unstable structure may occur. Degradation leads to mine disasters such as ground subsidence and mine earthquakes. Especially in small coal mines, due to backward mining methods, extensive roof management, and lack of necessary geological data, the potential disasters in the goaf are more serious. With the rapid advancement of urbanization, industrialization, and modernization, more and more overlying land in coal mine goafs...

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
IPC IPC(8): G01N13/04
CPCG01N13/04G01N2013/003
Inventor 许刚刚武博强王晓东朱世彬王强民张溪彧冯龙飞薛建坤
Owner XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com