Nuclear safety level fuel transportation channel gate valve

A transportation channel and nuclear safety technology, applied in sliding valves, valve details, valve devices, etc., to achieve the effects of convenient operation and maintenance, lower overall height, and guaranteed strength and efficiency

Pending Publication Date: 2020-09-01
SUFA TECH IND CNNC
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fuel transportation channel gate valve in the prior art cannot meet the above require

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
  • Nuclear safety level fuel transportation channel gate valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A nuclear safety grade fuel transport channel gate valve, the valve body, the valve cover and the upper valve cover are in the form of castings, the connection between the valve body and the valve cover is in the form of a middle flange connection, and the structure of the flexible graphite plate with stainless steel wire is adopted. It ensures high reliability and safety of the valve. The connection between the bonnet and the upper bonnet is in the form of flange connection, and adopts the structure of winding controllable compression gasket, which ensures the high reliability and safety of the valve. The structure of the dark rod wedge gate valve is adopted, the overall height of the valve is reduced, the structure is compact, and the strength and seismic performance of the valve are increased by means of reinforcement. The ultra-long remote transmission mechanism with rigid shaft connection is designed to ensure strength and efficiency. At the same time, the corresp...

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 belongs to channel gate valves, and particularly relates to a nuclear safety level fuel transportation channel gate valve. The valve comprises a valve body arranged at the lowermost end,a flashboard is arranged in the valve body, a valve deck is arranged at the top end of the valve body, the valve deck is fixedly connected with an upper valve deck, a valve rod sequentially penetrates through the valve deck and the upper valve deck upwards from the interior of the valve body and extends out of the upper valve deck, the free end of the valve rod is fixedly connected with a remotetransmission mechanism, and the remote transmission mechanism is fixedly connected with a manual device. The valve has the remarkable effects that the high reliability and safety of the valve are guaranteed; the overall height of the valve is reduced, the structure is compact, and meanwhile the strength and anti-seismic property of the valve are improved through a reinforced mode; the strength andefficiency are ensured; anti-seismic class I requirements are met; and the operation and maintenance are convenient while the transmission efficiency is improved.

Description

technical field [0001] The invention belongs to a passage gate valve, in particular to a nuclear safety grade fuel transport passage gate valve. Background technique [0002] With the continuous growth of my country's energy demand, nuclear power in my country has entered a new stage of simultaneous development and technological upgrading. In the process of its localization, it has many advanced technologies, and it also puts forward higher requirements for valves, which are embodied in: high seismic requirements, valve seismic requirements are Class I, and it is equipped with seismic Class I long-distance operating mechanism, This high seismic requirement fills the domestic blank. The material selection requirements are high, and the cumulative dose of gamma irradiation needs to be greater than 3x10 6 Gy working medium boron-containing water. The fuel transport channel gate valve in the prior art cannot meet the above requirements, so it is necessary to develop a new typ...

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): F16K3/02F16K3/30F16K31/46F16K27/04F16K27/08
CPCF16K3/0218F16K3/30F16K27/044F16K27/08F16K31/46
Inventor 沈锦花高志岗王悦琴刘平陈时健薛冬吴辉李军业
Owner SUFA TECH IND CNNC
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