Inst ToolsInst ToolsInst Tools
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
  • Request
Search
  • Books
  • Software
  • Projects
  • Process
  • Tools
  • Basics
  • Formula
  • Power Plant
  • Root Cause Analysis
  • Electrical Basics
  • Animation
  • Standards
  • 4-20 mA Course
  • Siemens PLC Course
Reading: Safety Switches for Controlling Conveyor Operations
Share
Font ResizerAa
Inst ToolsInst Tools
Font ResizerAa
  • Courses
  • Design
  • PLC
  • Interview
  • Control System
Search
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
  • Request
Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Inst Tools > Blog > Guest Articles > Safety Switches for Controlling Conveyor Operations

Safety Switches for Controlling Conveyor Operations

Last updated: January 16, 2020 9:26 am
Editorial Staff
Guest Articles Switches
No Comments
Share
4 Min Read
SHARE

In the process to produce cement, power, steel, aluminum etc. , raw material and other inputs have to be transferred from mines or receiving stations to the point of processing.

Contents
RF Capacitance SwitchFlow/No-Flow Detection (FlowJam)Microwave Level Detection

The distance over which these materials are transported can be large with number of transfer points and chutes ,through which they are transferred from one conveyor to another.

At each such transfer point the chute through which the material is guided to the receiving conveyor material tends to build up inside the chute especially during monsoon or if the material is otherwise wet.

CHALLENGE:

Chute and other transfer points through which the materials are discharged are potential weak points where a blockage can very quickly cause significant damage to the conveyors, causing:-

  • Loss of Expensive materials
  • Extensive Damage to System
  • Plant Downtime
  • Loss of Productivity

To protect itself against such blockages, it is essential that every chute/hopper installs instruments to measure the material build-up and provide an early warning as soon as it tries to exceed the set level limit. The feeding process can then be stopped to prevent the build-up.

SOLUTION:

Toshbro Controls Pvt. Ltd., offers many solutions for reliably and accurately detecting a jam in the chute/hopper. thereby eliminating plant downtime, minimizing losses and improving productivity. All our detectors are suitable for outdoor installation and protected against deposit of fine particles causing false alarm or stoppage of conveyor.

RF Capacitance Switch

RF Capacitance Level sensors work on the time proven RF Technology. The probes designed specifically for this application through many years of experience offer reliable solution to protect build-up & prevent occurrence of blockage.

RF Capacitance Switch Principle

Benefits

  • Reliable Measurement
  • Flexible probe ensures that the material falling on probe does not damage it.
  • No moving parts

Flow/No-Flow Detection (FlowJam)

The Flowjam is a microwave detector for contact-less monitoring of material flows for ‘flow’ or ‘no-flow’. The system works by using microwaves, whereby the material movement is detected by means of the Doppler’s principle.

Using Microwave technology, the FlowJam detects whether material is “flowing in” or is “absent”

Flow microwave detector principle

The FlowJam can be installed in the hopper/chute and also at the discharge point of the conveyor to monitor the flow of material. As soon as the material flow gets interrupted the FlowJam sends a signal.

Benefits

  • Simple Installation
  • Being contact-less, not subject to wear & tear
  • Detects through dry material build-up

Microwave Level Detection

It consisting of a transmitter and a receiver is based on microwave technology and can be universally used as a level detection for all types of solid aggressive, high temperature material in silo, bunkers, duct or shafts at free falling stretches.

Microwave Level Detection Principle

Benefits

  • Simple and uncomplicated retrofitting
  • Reliable fill level and limit level detection
  • Detection through all non-conductive walls
  • Absolutely insensitive to material cakings
  • Compact device – no separate electronics

Source – Nivo Controls Pvt. Ltd

Author – Aditi Toshniwal

Don't Miss Our Updates
Be the first to get exclusive content straight to your email.
We promise not to spam you. You can unsubscribe at any time.
Invalid email address
You've successfully subscribed !

Continue Reading

What is a Inductive Proximity Switch ?
RF Capacitance Level Switch Working Principle
Temperature Switch Working Principle
Working Principle of Flow Switch with Animation
Using of MCT instead of Cable Glands on the Cabinets
cat5e Plenum Cable History, Advantages and Disadvantages
Share This Article
Facebook Whatsapp Whatsapp LinkedIn Copy Link
Share
Leave a Comment

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Stay Connected

128.3kFollowersLike
69.1kFollowersFollow
210kSubscribersSubscribe
38kFollowersFollow

Categories

Explore More

Float level switch Principle
Float Level Switch Working Principle
Cisco CCNP R&S : All Actual Information About This Certification
Proximity switches Circuit Diagram Operation
PLC Program for Automatic Parameter Initialization When Power UP
Switch Types and Common Terminology
Basics of Limit switches
Thermal Dispersion Flow Switch Working Principle

Keep Learning

Reed Switch Principle

Reed switch Working Principle

FDA Process Validation

Why You Need FDA Process Validation and How to Do It Right ?

Magnetic Float Level Switch Working Animation

Closed Tank Level Measurement using DP Transmitter

How can we use a DP Flow Transmitter for Level Measurement

Instrument Air Sizing

Instrument Air Sizing

Pull-up switch circuit.

Pull Up and Pull Down Switch Circuits

Nuclear Level Measurement

Nuclear Level Detectors Cascade or Master/Slave concept

Pressure Switch Construction

Basics of Pressure switches

Learn More

PLC Motor Control Circuit-3

Basics of PLC Programming

foundation-fieldbus-vs-profibus

Comparison between Foundation Fieldbus and Profibus

Profibus Communication Interview Questions & Answers

Profibus Communication Interview Questions & Answers

Phase Controlled Half Wave Rectifier RL Load

Power Electronics – Phase Controlled Half Wave Rectifier RL Load

CNC Machining Glass Industry

5 Ways CNC Machining is Benefiting the Glass Industry

How to do Force in GE PLC Proficy Machine Edition?

Control Systems Stability and Algebraic Criteria

Concept of Stability in Control Systems

Variable Area Flow Meters

All About Variable Area Flow Meters

Menu

  • About
  • Privacy Policy
  • Copyright

Quick Links

  • Learn PLC
  • Helping Hand
  • Part Time Job

YouTube Subscribe

Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Welcome Back!

Sign in to your account

Username or Email Address
Password

Lost your password?