STEAM AND CONDENSATE SYSTEM FOR PAPER MACHINE

The objective of the steam and condensate system in the paper machine is to provide the steam for the drying. In the dryer part the moisture is evaporated as the paper is pressed between a felt and the hot drying cylinder.

The steam and condensate system is a part of a paper machine. Past the press section, the paper sheet has a water content of about 60 %. The final drying is achieved in the drying section. This is achieved by means of several steam heated dryers (cylinders). These are driven in groups of few together. The paper sheet runs over a large number of dryers. The temperature of each of the dryer surfaces must be exactly controlled. In the first group this might be 70 °C (160 °F) and rise then slowly to 105 °C (220 °F) in the later groups at the dry end.

Features

• PLC based control system
• User friendly SCADA system
• Steam Pressure/Flow Control
• Differential Pressure Control
• Separator Vessel Level Control
• Heat Exchange Temperature Control 
• Paper break control
• Various control loop mimic
• Alarm for early detection of problem
• Trend of critical parameters for troubleshooting
• Steam usage logging
• Integrated operation with sectional paper machine
• Upgradable system design

Benefits

• Assistance from concept to commissioning
• Improved Efficiency
• Simple Operating Philosophy helps operators understand the Automation and use it
• Easy to understand and User Friendly Screens
• Minimized maintenance reduces the cost and provides more up time
• Easy troubleshooting
• Quick and safe commissioning
• Qualified after-sales service

   
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DISTRIBUTION CENTRE INTRA-LOGISTIC AUTOMATION

The new generation of control system, developed by Amtech Electronics (India) Ltd, integrates the operation of distribution center intra-logistic with the use of PLC and SCADA based automation system and conveyors.

Distribution center intra-logistic automation controls and monitors the finished goods incoming and outgoing flow. Automation system controls the failsafe operation for the intra-logistic. Customized solution of distribution center as per the dimensions of the material to be transported within warehouse area.

Companies who want to increase profits will find few places that can yield more in terms of cost savings and customer satisfaction than their distribution center, order fulfilment systems, shipping areas, or warehouses.

Proper distribution center operations hinge on physical layout & material flow, the right equipment, intelligent processes, safe & productive employees, and accurate information.

The range of solutions goes beyond what most manufacturers can offer within the narrow confines of their product lines. That's why Amtech can play such an important and vital role in the creation of better distribution systems.

Amtech is focused on the material flow and process issues that most distribution centers face:

Product Flow must be constant and controllable: with consulting services, material handling systems integration, and years of experience, we provide you with the best possible plan.Inaccurate, slow picking processes cannot be tolerated: What creates the best flow of products through the system? We believe that the solution is different in every case. Is it picked quickly? Accurately? At the right time? There are solutions that work for every situation. It's a matter of selecting the right one.

Space must be utilized to its fullest: Understanding how space, equipment, and processes interact with each other can give you more SKU's (Stock Keeping Unit) in the same area...plus the ability to easily replenish and pick them.

Costs must be contained: We understand that material handling is a value-add, not a core mission for you. All the same, with well planned materials handling systems, money saved in material handling processes translate directly to your bottom line.

Automation system controls the operation with user friendly display. System provides Auto start/stop by sensing of incoming material. It also prevents jamming of material during transportation for safety.

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Automation In Sugar Mill Drive

The new generation of control and monitoring system, developed by Amtech Electronics (India) Ltd, integrates the operation of Sugar Mill Drive by using variable frequency drive and Automation system for controlling and monitoring.

Automation

No matter green field or brown field, large or small, Amtech has the perfect solution for your mill drives. Starting from retaining the open gear systems and replacing steam turbines or DC motors, we provide the complete solution.

Features:

• Complete Automation system with ACFC (Auto Cane Feeding Control).
• High torque VFD which delivers more than 200% starting torque in constant control mode.
• Smooth start/stop operation without any jerks.
• Very low speed operation is possible.
• Energy saving as the VFD consumes the power based on the requirement and the steam saved can be utilize to generate the power.
• Infra Red type donnelly chute level sensors.
• Hall effect type cane blanket level and top roller lift sensors.
• Precision motor load / pressure sensors.
• Customized software is user friendly and the field and data.

Benefits:

• Assistance from concept to commissioning.
• Increased Milling with the same equipment.
• Constant load on all mills.
• Better extraction in mills increases the bagasse yield.
• Constant levels in donnelly chutes.
• Avoiding unwanted roller lift.
• Constant steam / power consumption.
• Mill roller not exposed to shock loads.
• Continuous and Un-interrupted feeding reduces downtime and increase throughput.
• Elimination of choking at preparatory devices, mills, chutes or carriers.
• Maintained juice to imbibition water ratio increases evaporation efficiency.
• Optimum mill speed with respect to load and level ensure good milling results at all times.
• Effective water saving and cutting off water flow when crushing is stopped.
• Constant juice flow for process ensures even loading in the boiling house and stabilizes and reduces the steam consumption which means higher boiling house efficiency and bagasse saving.
• Minimized maintenance reduces the cost and provides more up time.
• Easy troubleshooting.
• Quick and safe commissioning.
• Qualified after-sales service.

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TOTAL SOLUTIONS FOR METAL INDUSTRY

Amtech, for last 30 years, has been providing Total Solutions in motion control, automation, power quality & energy conservation and industrial electronics to its most discerning clients in the metal industry. It solidifies their stand held by tailoring technology for a wide range of metal forming and press applications. Our Metal Industry solutions include range of VFD, Medium Voltage Drive, Power / Heater controller, Harmonic solutions, Customized Engineered Systems, Automation Solutions and turn-key projects.

Each one is designed to ensure safe, reliable and efficient operations of your process. Some of the solutions in Metal Industry are ;

Rolling Mills / Roller Table / Wire / Sheet Drawing Machine / Cranes / Stacker - Reclaimer / Fume / Dust Exhaust Fan / Blower / Lifter / Pusher / Charging Car / Wagon Tippler / Conveyor.

EOT Grab Crane

The most common but very challenging type of overhead crane electrically operated found in many industries for material handling. Many old systems had limitations like, maintaining differential gear, slip-ring motor and mechanical brakes. Also the maintenance is extremely expensive and time consuming.

Amtech offers solutions for EOT(Electric Overhead Traveling) crane having grab unit for material handling like coal, gypsum, sand, limestone, clinker etc. One such solutions in Cement Industry is for 6 tone capacity EOT Cranes located at 35 feet above ground level, cross traveling 70 feet and long traveling 330 feet. Crane controller with high resolution encoder used to monitor and synchronize grab/hoist and smooth start/stop. This resulted in smooth operation, reduced maintenance of brakes, precise closing of grab, increased productivity and energy saving.

Kiln Application

Currently, in most of the kiln applications in steel / cement industry, DC motors and drives are used due to their excellent torque speed attributes, but the maintenance of dc motor is a big task. One of our customer replaced DC Motor and Drive with similar capacity AC Motor and VFD to run the kiln, but could not increase the speed of kiln beyond 3 rpm due to insufficient power/torque at low speed and gear ratio mismatch.

Amtech, installed additional auxiliary AC Motor and VFD with controller which is used for load sharing between two VFDs. Speed of kiln increased to the desired speed of 4 RPM, resulting in higher productivity. Smooth speed control of kiln achieved through two VFDs and motors of different ratings. At Amtech, we assist our customers to size the VFD and motor system for new requirements as well as replacing the old system
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