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

Jet device for mixed grinding materials after jet flow

A spraying device and post-mixing technology, which is applied in the direction of abrasive feeding device, abrasive spraying machine tool, abrasive, etc., can solve the problems of low efficiency of hard rock excavation, improve the acceleration effect, increase the amount of rock breaking, and improve the excavation efficiency. Effect

Active Publication Date: 2022-02-01
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
View PDF12 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the prior art has the technical problem that the tunnel boring machine has a low driving efficiency for hard rock.

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
  • Jet device for mixed grinding materials after jet flow
  • Jet device for mixed grinding materials after jet flow
  • Jet device for mixed grinding materials after jet flow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] The invention provides an injection device for mixing abrasives after jet flow, such as figure 1 , Figure 5 with Figure 6 As shown, the injection device includes: a nozzle body 10, an abrasive nozzle 30, and a fluid input joint 40 installed on the nozzle body 10, the nozzle body 10 is provided with an injection outlet 11; the abrasive nozzle 30 is installed on the nozzle body 10, and There is an annular cavity 20 surrounding the abrasive nozzle 30, ...

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 provides a jet device for mixed grinding materials after jet flow. The device comprises: a spray head body provided with a jet outlet; a material grinding nozzle which is installed on the spray head body, wherein an annular cavity surrounding the material grinding nozzle is formed in the spray head body, and the spraying outlet is communicated with the annular cavity; a fluid input connector which is arranged on the spray head body, wherein the fluid input connector is communicated with the annular cavity; a material grinding hole channel which is arranged in the material grinding nozzle, wherein the material grinding hole channel is communicated with the annular cavity. According to the invention, the tunneling efficiency of a tunnel boring machine on hard rocks is improved.

Description

technical field [0001] The invention relates to the technical field of tunneling equipment, in particular to an injection device for post-jet mixed abrasives. Background technique [0002] At present, TBM (Tunnel Boring Machine, Tunnel Boring Machine) is the main equipment for hard rock tunnel excavation, which has the characteristics of safe, efficient and environmentally friendly construction. In order to improve the excavation efficiency, a nozzle is usually added to the cutter head of the TBM, and the nozzle sprays high-pressure water jets outwards, and the high-pressure water jets assist rock breaking. In some cases, abrasives can be added to the high-pressure water jet. The hardness of the abrasives is relatively high, and the use of abrasives for rock breaking helps to further improve the rock breaking efficiency. However, in the prior art, there is a technical problem that the tunnel boring machine has low driving efficiency for hard rock. Contents of the inventio...

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): B24C1/04B24C5/04B24C7/00B24C3/02E21D9/00
CPCB24C1/04B24C5/04B24C7/0007B24C3/02E21D9/00
Inventor 杨兴亚王荣超叶蕾郭志凯商秋月万钦张天增陈金波
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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