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MYCOM displays R717/R744 solution for cold storage
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2009-06-30 - ammonia21.com
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Gold Partner MYCOM Mayekawa has added its R717/R744 cooling solution “NewTon 3000” for cold storage refrigeration, which achieves 20% reduction in power consumption compared to conventional HFC refrigerators.
MYCOM displays R717/R744 solution for cold storage
MYCOM’s cooling solution “NewTon 3000” for cold storage refrigeration features an ammonia compressor, a CO2 receiver and a CO2 condenser. The company, having successfully installed a number of units already in Japan, is now looking to introduce its product to Europe, where from it has received high interest.

The system’s new NH3 compressor achieves 20% reduction in power consumption, while Life Cycle Assessment (LCA) shows 33% of CO2 emission reduction compared to systems using HFC-404a. For higher safety the system, it employs indirect method using CO2 as secondary working fluid and limits the amount of NH3 refrigerant to approximately one sixth.

The system features the following characteristics:
  • Screw rotor with new profile: New high-precision profile results in reducing internal gas leakage and realises high efficiency as well as low noise.
     
  • IPM motor (patent pending): MYCOM employs IPM motor mounting rare-earth permanent magnets inside the rotor, which is more efficient than conventional induction type. Further using inverter enables variable speed design and improves part-load efficiency. This is the first screw compressor with NH3 semi-hermetic IPM motor in the world.
     
  • Double economizer (patent pending): In a two-stage compressor system, liquid is sub-cooled through intercooler and enhances cooling effects. For better performance an economizer is put on low-stage to increase the super-cooling degree.
     
  • Flooded evaporator: To make approach temperature small and reinforce the efficiency of heat exchanger, NewTon 3000 employs a NH3 flooded evaporator that improves energy conservation

About Mayekawa(MYCOM)

Mayekawa (MYCOM) is the compressor brand of the leading Japanese compressor and refrigeration systems manufacturer Mayekawa Mfg. Co., Ltd. The company was founded in 1924 and since then has increased its market share to 70% from the Japanese industrial refrigeration market, and 30% from the world’s industrial refrigeration market. Now more than 25,000 MYCOM compressors are running in over 100 countries.
Contact Information
If you would like to contact Mayekawa(MYCOM) for any enquiries, you may send a request to Kuniaki Kawamura directly.




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2009-07-02 14:21:26 - ammonia21.com Team
Dear Jeremy,

To ensure that MYCOM receives your enquiry, we recommend that you send them a request directly. You can do this by clicking on the "send a request" link which is provided at the bottom of this article under the "Contact Information" section and then just follow the instructions.

With best regards,

The ammonia21.com Team
2009-06-30 14:36:19 - Jeremy Williams
My name is Jeremy Williams and I work for an industrial technical school with hands-on live equipment. We teach industrial ammonia refrigeration and industrial boiliers. I have been waiting for the someone to come up with the semi-hermetic screw. I believe the possibilities are endless.

We would like a bid package put together for the smallest ton and hp package you have avalable to put in our school.

I also would like to see one of these running in a facility or manufuctures shop.

If we are to buy one I have to see it run in action.

Pleae contact me back as soos as possible to discuss in further detail

Thanks Jeremy Williams
Refrigeration Instructor
Garden City Ammonia Program

(620)-271-0037





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