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

Making method of expandable breakage-proof yellow mud stemming for coal mines

A production method and blasting technology, applied in blasting and other directions, can solve problems such as ineffective prevention, fragility of yellow mud blasting columns, and reduction of eye opening resistance of explosives in blast holes, so as to improve eye opening resistance and enhance Blast effects, effects that improve integrity and overall utilization

Inactive Publication Date: 2016-11-30
任旭明
View PDF3 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, yellow mud blasting mud is still widely used in coal mines. The existing problem is that the yellow mud blasting mud column is fragile, easy to break, and the expansion rate is not enough; The length required by the regulations cannot be achieved to fill the blast hole, resulting in a waste of yellow mud blasting mud, and the broken yellow mud blasting mud cannot effectively prevent the high-pressure gas formed when the explosive explodes in the blast hole from being ejected from the eye opening. , which reduces the eye-mouth resistance when the explosives explode in the blasthole, and finally fails to achieve the expected blasting 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
  • Making method of expandable breakage-proof yellow mud stemming for coal mines
  • Making method of expandable breakage-proof yellow mud stemming for coal mines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The described invention relates to a method for making expansion and anti-shattering yellow mud gun mud for coal mines, see attached figure 1 The above-mentioned gun mud is composed of asbestos fiber and yellow mud with expandable graphite flakes, and the amount of expandable graphite flakes added at the same time is not more than 30% of the total weight of the yellow mud gun mud; the asbestos fibers are cut into lengths Fibers larger than 30mm are stirred together with yellow mud and expandable graphite flakes. The length of the yellow mud column carved by the mold is not more than 30cm, and the diameter of the column is not more than 3cm. It is used after drying.

Embodiment 2

[0013] The described invention relates to a method for making expansion and anti-shattering yellow mud gun mud for coal mines, see attached figure 2 The above-mentioned gun mud is composed of asbestos fiber and yellow mud with expandable graphite flakes, and the amount of expandable graphite flakes added at the same time is not more than 30% of the total weight of the yellow mud gun mud; The asbestos net larger than 0.1mm and thickness not exceeding 1mm wraps the periphery of the engraved cylindrical yellow mud column. The length of each wrapped yellow mud column does not exceed 30cm, and the diameter of the column is not greater than 3cm. The bottom and top of the body are exposed and dried for use.

Embodiment 3

[0015] The described invention relates to a method for making expanded and anti-shattering yellow mud gun mud for coal mines, see accompanying drawing 3, the above-mentioned gun mud is composed of asbestos fibers and yellow mud with expandable graphite flakes, and the expandable graphite that joins in at the same time The amount of flakes is not more than 30% of the total weight of the yellow mud gun mud; the asbestos fiber is made into an asbestos net with a hole diameter of no more than 0.1mm and a thickness of no more than 1mm, and the yellow mud and expandable graphite flakes are rolled into the asbestos net. The mixture of mud and expandable graphite flakes is formed by wrapping layers of asbestos nets. The thickness of each layer of yellow mud and expandable graphite flakes is not more than 5mm, and the amount of expandable graphite flakes added is not more than yellow mud. The total weight is 30%, and the length of each yellow mud column is not more than 30cm, and the di...

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
pore sizeaaaaaaaaaa
thicknessaaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention relates to a method for producing anti-shattering clay for coal mines, in particular to a method for producing anti-shattering clay for coal mines; in particular, cutting asbestos fibers into fibers with a length of not more than 30 mm or weaving asbestos into a diameter of not more than 30 mm The asbestos mesh with a thickness of 1mm and a thickness of no more than 1mm is mixed with yellow mud in different forms and finally formed by drying; when used, the crushing rate of the above-mentioned yellow mud cannon mud is reduced to the greatest extent, and the integrity and overall utilization rate are improved. After the explosives are blasted, the graphite flakes expand rapidly under the action of high temperature, which increases the expansion rate of the yellow mud mud, and maximizes the prevention of the high-pressure gas formed when the explosives explode in the blasthole. , to enhance the blasting effect.

Description

technical field [0001] The invention relates to a yellow mud blasting clay for coal mines, in particular to a method for preparing the expansion and anti-shattering yellow mud blasting clays for coal mines. Background technique [0002] At present, yellow mud blasting mud is still widely used in coal mines. The existing problem is that the yellow mud blasting mud column is fragile, easy to break, and the expansion rate is not enough; The length required by the regulations cannot be achieved to fill the blast hole, resulting in a waste of yellow mud blasting mud, and the broken yellow mud blasting mud cannot effectively prevent the high-pressure gas formed when the explosive explodes in the blast hole from being ejected from the eye opening. , which reduces the eye-mouth resistance when the explosives explode in the blasthole, and ultimately fails to achieve the expected blasting effect. Contents of the invention [0003] The purpose of the present invention is to overcome...

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): C04B28/00C04B14/36F42D1/18
CPCC04B28/001C04B14/024C04B2111/00974F42D1/18C04B14/40
Inventor 任旭明
Owner 任旭明
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