YML Reefer Introduction And Guidance For Marketing Sales

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YML Reefer Introduction And Guidance For
Marketing / Sales
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• Physical Particulars
• What kinds of knowledge you have to know
• How to get information from YML web site

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A. Physical particulars

• YML Reefer is capable of transport chill
  perishable cargo and frozen cargo and maintaining
  the cargo temperature at any temperature between
  25? to 25? at ambient temperature from 20? to
  40?.
• 40 RQ can load 27,790 kgs or 67.7 cubic
  meter20 RF can load 27,570 kgs or 28.3 cubic
  meter
• The maximum power required is 13.5 KW With
  operating voltage between 380 and 460V 50 60
  Hz of power
• There are 2 brands of Reefer machine in our
  Reefer fleetMHI unit serial from YMLU520501
  thru YMLU522195 And from
  FSCU560501 thru YMLU561000Daikin unit serial
  from YMLU522196 thru YMLU525195
• T-Rail
• Drainer (drain port)

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B. What kinds of knowledge you have to know

• Load limited line
• Optimum Transit TemperatureRespiratory and
  metabolic processRespiration needs energy,
  respiration process continues drawing water from
  the plant.Within the biologically active
  temperature interval from 0 to 40?Approximate
  doubling of the respiration rate by each 10?
  increaseOxygen is consumed during the
  respiration processAfter harvesting, the plant
  continues to respire, grow and mature and
  eventually to Senescene.It will result in
  reduced storage life when the respiration rate is
  increased.

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3. Highest freezing point (chilling injuries) 4.
Recommended shipping temperature 5. Relative
Humidity (R.H.)Most of fruits and vegetables
need 95-100 of R.H. to maintain moisture
content and to prevent plant from wilt. So far
only very few Reefer units in the world which can
control R.H. at 85 but our Reefers same as
other lines Reefers they are applicable for
plants, fruits and vegetables without problem.
Our reefers have a special dehumidification
function that is to reduce R.H which is good for
some cargoes such as flower bulbs, coffee nut,
cocoa nut, electronic parts, film ----. 6.
Ethylene production and sensitive to
EthyleneEthylene is a colorless gas which has a
sweet either-like odour. Physiologically, it is a
hormone that accelerates senescence and the
ripening process. High ethylene production rate
fruits apple, avocado, netted melon, papaya,
passion fruit, peach, pear and plum.
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7. Air exchange requirement (Fresh Air
-Ventilation) a)  Normal atmosphere composition
78 of Nitrogen, 21 Oxygen, 0.03 Carbon
dioxide. b) Plants affected by Oxygen, Carbon
Dioxide and Ethylene. Plants after harvest, they
consume oxygen and produce carbon dioxide in
respiration thus we have to adjust the
concentrations of oxygen, carbon dioxide and
ethylene as well. Too low oxygen concentrations
will result in suffocation due to lack of oxygen
while too high concentrations of carbon dioxide
will also cause suffocation because plants will
be unable to emit carbon dioxide. c) An estimate
of fresh air requirement is 1-2 cubic
meter/ton/hour d) An estimate of carbon dioxide
production is approximately 0.2 litre/hour of
Carbon Dioxide per 1 Watt respiration heat
produced. (I.e. 0.2 litre/hour/watt)
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Example 1 ton celery at 0? breathes 110 Watts
of heat approximately. It
produced 22 litre/hour/ton of CO2
(calculation 0.2 litre/hour/watt X 110
watt/ton 22 litre/hour/ton)
For the stabilization of 1 CO2 content In the
container, it needs 2.2
M3/hour/ton of fresh air ventilation
(calculation 22 / 1 2200 litre/hour/ton
2.2 M3/hour/ton) 16 tons of
celery needs 35 M3/hour of fresh air ventilation
(calculation 2.2 X 16 35
M3/hour )
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8. CA controlled atmosphere MA Modified
atmosphere Like polar bears are in dormant
state during winter that reduce the respiration
rate and save the energy. 9. Heat
production high heat production fruits- Celery,
Broccoli, Durian ----. 10. Circulation air
requirement  a) Air circulation around the
product is a necessary evil and internal
ventilation should therefore be reduced to the
minimum that is necessary to maintain product
temperature at right level. (because the
circulation will draw out water of
plant). b) Circulation chill air is used to cool
down cargo, to remove the heat produced from
plants, to remove concentrations of carbon
dioxide and ethylene and supply oxygen to
plants. c) Proper circulation air flow Return
air temperature cooling (supply) air Temp lt
0.7? it may reduce air flow Return air
temperature cooling (supply) air Tempgt2.5? it
may increase air flow Maximum air requirement
should be approximately 600-700 M3/hour/kw of
cooling effect, or 700-800/M3/hour per1000
Kcal/hour of cooling effect.
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Example Broccoli at 5.0? produced heat 200
watt/ton thus 20 tons broccoli need 2800 M3/hour
(calculation 200watt/ton X 20 tons 4000watts
4.0 kw i.e. 700 M3/kw X 4 kw 2,800
M3/hour) Our Daikin unit and MHI unit Air flow
rate a) High speed 5430 M3/hr with 60 Hz _at_
19.1 mmWG 4140 M3/hr with 50 Hz _at_
19.1 mmWG b) Low speed 2450 M3/hr with 60 Hz _at_
6.4 mm WG 1860 M3/hr with 50 Hz
_at_ 6.4 mm WG Broccoli at 0.0? produced heat 120
watt/ton thus 20 tons broccoli need 1680 M3/hour
therefore to use Low speed operation is
enough. (calculation 120 watt/ton X 20 tons
2400 watts2.4 kw i.e. 700M3/kw X 2.4 kw1680
M3/hour)
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C. How to get information from YML web site
Our web site provided a lot of useful
information, you can get them from YML web site
steps as follows a)   access to internet b)  
your account name (ID) and password c)  
http//www.yml.com.tw/ d)   service e)  
reefer f)    main menu g)   commodity handling
guidance
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