Novel anti-explosion door of vertical air shaft

A technology of explosion-proof doors and vertical air shafts, which is applied to the ventilation of mines/tunnels, mining equipment, and mining equipment. Simple structure, strong reliability, and the effect of avoiding the expansion of accidents

Inactive Publication Date: 2013-10-30
辛嵩 +1
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology has several benefits that make it more reliable than previous designs. It allows for quick recovery from fires or other events when there's no escape path available through an air-out system.

Problems solved by technology

This patented describes how well known methods for opening up an explosive proof barrier called MFLB (Magnetic Fluor Compact Blower) have been developed over recent years due to their ability to quickly open downwardly at once during fires caused by gases or other fluctuations in ground conditions. However, these existing solutions may damage important equipment like sensors inside the mining tunnel while they were designed properly.

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
  • Novel anti-explosion door of vertical air shaft
  • Novel anti-explosion door of vertical air shaft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] Below in conjunction with accompanying drawing, the implementation of the present invention is described in further detail:

[0009] The door body (5) is made of bursting disc and steel structure and equipped with a suitable counterweight (1) to form the main part of the explosion-proof door. The explosion-proof door passes through the rotary support shaft (2) on both sides of the air shaft lock plate (4). Turn on or off by turning. The explosion-proof door is sealed by the sealing liquid tank (3) to prevent air leakage from affecting the ventilation effect. Under normal circumstances, the explosion-proof door is kept closed by the negative pressure of the main fan. When the main fan fails and stops running, the explosion-proof door is lifted with the rotary support shaft (2) as the fulcrum under the action of the counterweight (1). Turn over to realize the natural wind pressure ventilation of the whole mine. When a gas or coal dust explosion accident occurs underground,

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 novel anti-explosion door of a vertical air shaft and relates to the field of coal mine safety protection and mine ventilation system adjustment. The novel anti-explosion door comprises a door body structure and a counter weight device. The door body structure comprises a rupture disk and a steel structure. The counter weight device comprises a balancing counter weight (1) and a revolving support shaft (2). The door body structure is fixedly connected with the balancing counter weight via a steel beam. The shape of a door body can be manufactured according to actual situations. The rupture disk designed and mounted in the door body can instantly crush at limited pressure so as to depressurize to protect a main ventilator; An overturning mode of revolution of the anti-explosion door and the design of a spare shaft cover (8) meet requirements on automatic opening of the anti-explosion door when a fan stops, and the problem that disaster is enlarged due to the fact that inverted ventilation or normal ventilation cannot be performed in a short time after the anti-explosion door is destroyed by over-strong blast generated by gas explosion or coal-dust explosion is avoided.

Description

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

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
Owner 辛嵩
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