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Instant Chilling Plant


A ) BASIS OF DESIGN:



  No. of units - One
  Ref. Capacity of Unit – 10 TR at  5 Deg C SST & 55 Deg C SDT
  Fluid to be chilled - Water
  Chilled water temp. at chiller inlet -  14 Deg.C
  Chilled  water  at chiller outlet -  10 Deg.C
  Refrigerant - R-22
  Electric supply available - 415 V, 50 Hz   3PH
  Fouling factor for chiller - 0.0001 sq. m. / hr. deg. C / L. Cal

B ) SCOPE OF SUPPLY :
1.0 1 NO 17 TR CAPACITY AIR –COOLED CHILLING UNIT COMPRISING OF:

1.1 COMPRESSOR:
Two SLM-128 Danfoss scroll compressor using FREON-22 as refrigerant, giving a capacity of   17 TR consuming 40  Kw at shaft for 5 deg.C.SST (saturated suction temperature ) & 50 deg. C  SDT ( saturated discharge temperature).

 
1.2 REFRIGERATION ACCESSORIES:
Two sets of  accessories for the above compressor each comprising of :
  Suction and discharge stop valves.
  HP, LP  Digital switch of the make SaginoMiya  Japan used in place of  Gauges and cutouts.
 

1.3 CONDENSER :
Twin circuit 17TR  suitable air-cooled condenser manufactured  from 3/8” OD 27Gauge grooved copper tubes, complete with purge valve, safety valve, drain plug  & receiver etc.

 
1.4 DX - CHILLER
Twin circuits 17 TR  , Horizontal shell and tube DX - Chiller of suitable size manufactured from 1/2” OD plain copper tubes of 22 gauge complete with drain plugs, charging valve etc.
 

1.5 CONTROLS & INSTRUMENTATION :

2 sets refrigerant controls & instruments each comprising of :

  1 No  Danfoss ( Denmark )/ALCO USA   make Thermostatic expansion valve.
  1 No Liquid line direct acting Danfoss/ Alco make solenoid valve.
  1 No. Danfoss ( Denmark )  make liquid line sight glass
  1 Nos. Danfoss ( Denmark ) /ALCO USA   make catchall drier
  1 No. Brassomatic make liquid line filter drier shell
  1 No. Henry (USA)/DANFOSS   packless liquid line globe valve.
  3 Nos.Brassomatic make angle valves.

 

1.6 REFRIGERATION  PIPELINES :
Refrigerant piping based on a compact layout. Pipes will be 16 gauge Seamless copper tubes for suction, discharge & liquid line, vibration isolators for discharge & suction line ,  also  ¼ ”copper line for refrigerant controls  with Brassomatic valves.

 
1.7 MS STRUCTURE :
1 lot MS Structural stand from MS Channels for the above equipment and internal gas piping. Also complete chilling plant will be enclosed in closed pre coated MS panels called as the package.
 

1.8 REFRIGERATION OIL & GAS R-22:
First charge of R.22  gas and recommended lubricating oil.

 
1.9 INSULATION :
Chiller and suction line insulation of expanded polyethylene of required  thickness covered with PVC wire netting.
 
1.10 ELECTRIC POWER & CONTROL PANEL :

  1 No. Indication control panel of ‘RITTAL’ make consisting of :
  Schneider / L&T , incoming MCCBs for each primovers i.e compressor motor and pumps.
  ‘ Minilac ‘Single phasing preventor with current sensing overload relay for each primovers.
  Indication lamp with push buttons ,voltmeter, ammeter of Schneider/ L& T make.
  Schneider france /L & T  contactors , Kaycee make toggle switches.

 
1.11 INSTRUMENTATION  WITH PLC :
1 No PLC ( Programmable Logic Control with digital display )  for automatic operation of complete chilling. This includes auto control of the compressor, sequential on / off operation of the condenser pump, chiller pump, compressors, if faults occur or in the normal mode. Also one Digital temperature indicator cum controller ( PID ) to indicate / control chilled water outlet temperature.
 

1.12 MAN-MACHINE INTERFACE UNIT  (MMI) :
One no MMI  ( Man machine interface unit for communication to PLC ) with 4 line X 20 character graphical display & also with nine function key for data entry.

 
1.13 CH-PUMP :
One  Kirloskar make monoblock pump of 2 HP for Chilled water circulation.
 

1.14 CN - FANS :
Two nos ‘GEC’ make axial flow fans (360 Watts each) of suitable size for air cooled condenser air  circulation.

 
1.15 CHILLED WATER TANK :
One no  200 Ltrs Stainless Steel chilled water tank with required insulation.
 
1.16 MILK STORAGE TANK :
One  no 5000 ltr cap SS-304 tank with required insulation
 
1.17 PIPE LINE:
Nessesary pipe line of 38 mm ss 304 with required valves and unions
 
1.18 Balnce Tank :
One balnce tank 200ltr cap of ss 304
 

1.19 MILK PUMP :
Centrifugal ss milk pump cap 1hp

 
OPTIONAL
Digital leval indicator for milk quantity
 
INSTANT CHILLING PLANT
Length - 2500mm
Width - 1500 mm
Height - 2000 mm for instant chilling plant
 
10 KL STORAGE TANK
Length - 4.3 meters
Width - 3.2 meters
Height - 3.5 meters
 
* Specifications are subject to change without any prior notice.
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