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Heat Pump Dryer

Heat Pump Dryer
Heat Pump Dryer
Product Code : HDP-1
Product Description

We have gathered a huge customer base in this domain by manufacturing, exporting and supplying pristine grade Heat Pump Dryer for our valuable patrons. Offered dryer has long lasting evaporator, condensor and duct.  In order to remove the water content from food products before their packaging, this is widely demanded. With use of quality checked components, this dryer is manufactured by adept professionals in accordance with industry norms. Additionally, offered Heat Pump Dryer is available with us in numerous technical specifications.

Key Points:

  • Safe to operate
  • Robust finishes
  • Superior performance
  • Flawless design

A. Drying Chamber/Environment Chamber


a. Drying capacity : 50 kg (maximum) per batch of selected agro produce


b. Size (inner) : 1.3m x 0.82m x 0.75m


c. MOC : AISI 304 SS


d. Insulation : 100 mm thick PUF SS sandwiched


e. Door, Vent and Outlets : 1 front door, 1 vent at top, and one outlet at side top.


f. 1 No. 6” Diameter sight glass


g. Digital weight measurement and recording system through appropriate load cell with 1 mg LC


h. Product loading trays : 20 Nos., 0.5 m x 0.5m x 31mm perforated trays in AISI 304 buffed to mirror finish


i. Tray loading trolley : 2 Nos. made from heavy duty AISI 304 SS 16 s.w.g. pipe suitable for mounting 10 trays each with heavy duty castors for loading/unloading into/from the dryer chamber


j. Maximum operating temperature: 75 °C


B. Air Contact Evaporator


a. Type : Direct Expansion Extended Plate Al-Fin Copper Coil


b. Flow Pattern : Cross flow of air & refrigerant.


c. Duty : Cooling & Dehumidification of air


d. Evaporating Temperature : = - 5 oC to 0 oC


e. Dehumidification Capacity : 6-8 LPH


f. Cooling Capacity : 1.5TR (5.275 kW) minimum


C. Compressor Specifications


a. Type : Hermetic, Reciprocating/ Rotary type


b. Refrigerant : Any of one of these R134a /R410A or R22 or R404A


c. Make : Kirloskar or Reputed equivalent


d. Superheat : ΔTsup = 3 to 5 K


e. Cooling Capacity : 1.5TR


f. Digital meters : Volts, Amp. and Hz


D. Air Cooled Condenser


a. Type : Air Cooled Extended Plate Al Fin Copper Coil


b. Flow Pattern : Cross flow of fluids


c. Duty : Sensible Heating of Air


d. Condensing Temperature : TCO = 50 oC – 70 oC


E. Auxiliary Electrical Heaters (02 Nos.)


a. Extended fin electric heating elements, 1kW Nominal @ 240 V, 50 Hz, AC


F. Air Flow Ducting


a. MOC : Sheet Metal, AISI 304 SS


b. Length : 12 m Approx. (± 25%)


c. Size : 0.32m X 0.32 m


d. Air throughput : 0.3 to 0.4 m3/s


e. Insulation : 30 mm PUF with SS Cladding


f. Dampers : 06 Nos. (Micro Control with graduations)


g. Air Vents : 3 Nos.


h. Nipples : 12 stations


i. Sight Glasses : 3Nos. 6” Dia.


G. Fans/Blowers (03 Nos.)


a. Type : Heavy Duty axial flow variable speed


b. Power input : 240 V, 50 Hz


c. RPM : 0 – 2400


H. Instrumentation & Control


a. Air Flow Measurement device (02Nos.)


b. Temperature Measurement/Indication: Refrigerant temperature at select points, Air Temperature at select points (07Nos.), Range: -10oC to 80oC


c. Electrical Energy Meter: Watt-hour type for recording electrical input to compressor, fans & auxiliary heaters.


d. Analogue Voltmeter: For compressor, fans & auxiliary heaters.


e. Réfrigérant Pressure Measurement (HP/LP) : 100- 2000 kPa


f. High temperature cut-out (Thermostat): Located after auxiliary heater to limit the maximum temperature to 80oC


g. HP/LP cut out


h. MCB’s for all electrical components


i. Thermostatic Expansion Valve with provision for changing the superheat point.


j. Residual current circuit breaker (RCCB) if i > 300 mA


k. Fan-heater interlocking


l. Power Transmitters 03 Nos.


m. RH/WBT sensors at 04 locations


n. Provision for condensate drain and collection tray (SS)


o. Data logger/Acquisition system for measuring/recording


p. Panel Board: with controls, meters, indicators, displays, main switch and indicator lights.


q. The system is to be arranged to be used with a PC with SCADA Software with following features:


i) 2-Way communication for control & data acquisition.


ii) Auto / Manual Control mode.


iii) P, PI, PD and PID modes.


iv) Live mimic diagram of the process including SP, OP and PV.


v) Online data display in tubular chart and graphical form.


vi) Bump less transfer between open & closed loop operations.


vii) Powerful graphics with trends and bar page


viii) Alarm function


ix) Data printing facility


x) Event recording facility


xi) Window based user – friendly software.


I. Computer, Graphics & Software: The system should meet or exceed the following specifications:


a. Processor (CPU): Intel Core i7 processor


b. Operating System: Microsoft Windows 10 Professional


c. Memory: 8 GB RAM


d. Storage: Minimum 500 GB internal hard drive


e. Sustainability: EPEAT Silver rating (preferably EPEAT Gold)


f. CD-ROM: DVD +/- RW


g. Monitor/Display: 21.5 " LCD monitor.


h. Other: Dual-band WiFi-certified 802.11 a/b/g/n - compliant adapter. Optical mouse, Keyboard, 2 serial port & 2 parallel port USB part in front. Interfacing cards: ADC Card 1 No., DAC card. 1 No. communication RS. 232 ports.





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