Jdg-200 Vacuum Freeze Dryer Factory

JDG-200 Vacuum Freeze Dryer Factory
Applications
Vacuum freeze drying technology is currently worldwide most advanced technology for food dehydration processing. Compared with the commonly used drying method, the freeze-dried food produced with this technology features long period of quality assurance, good re-hydration nature, good-looking color, good flavor, taste and high content of nutritious components. The dried food basically remains unchanged in its volume and shape, looks like sponge and has no shrinking. This drying technology can be widely used in process of vegetables, fruits, condiments, aquatic products, biological products, medicine, beverage and etc.

Working principle
The vacuum freeze drying is a drying method for dehydration and preservation of substances. It sublimes the moisture in the pre-processed substance from solid state into gaseous state by -30 centigrade quick-freezing under the vacuum condition.

JDG series vacuum freeze drying equipment mainly includes food pre-freezing system, drying bin system, heating system, vacuum system, refrigerating system, material conveying system, medium system, pneumatic system, cleaning and sterilizing system.

Main features of JDG series vacuum freeze dryer
1. The vacuum system is in combination structure of water-sealed pump + oil-sealed pump. The extraction of pre-vacuum is performed by oil-sealed pump group of large power and the vacuum for operation remains by water-sealed Roots pump group of small power so as to reduce energy consumption. Meanwhile, the water-sealed pump group can remove vacuity instability of the system due to poor water-removal performance of oil-sealed pump and emulsification deterioration of the pump oil.
2. Heating is conducted in closed water circulation system, where three-way adjusting valve is used for automatic adjustment of heat supply to the water circulation system to precisely control temperature of the heating plate. Besides, nitrogen is used for automatic pressure-keeping to ensure the working temperature of the hot water reaching 120 centrigrade.
3. The rear-installed and side-installed water-catching cold trap is adopted. Compared with the outside-installed cold trap, the former one has advantages of short canal, lower resistance, and smooth steam canal, uniform and high-efficient water-catching. The cold trap uses special method of ammonium single-phase circulating refrigeration. It is more stable in supplying refrigerating liquid and easier in operation than the general method of liquid supply.


Technical  parmenters 

JDG-200
Construction	Technical Parameters				Remark
Base Structure
Effective area of shelves	201
Input capacity	2000kg/batch
Maximum Condenser capacity	2600Kg/batch
Power supply	380V/60Hz/3P
Power consumption	221Kw
Cooling Water	150T/Hr  (T<28ºC, P=0.1-0.15MPa)				Recyclable Prepared by clients
Main Structure	Separated type  (drying oven +machine system)				subject to the actual design
Weight	40000 Kg
Dry Chamber
Dry Chamber Material	SUS304/ 8mm
Door lock	Hand knob lock
Door Open direction	Right to left				Decided by customer
Open angle	>180°
Door material	SUS304
Dry Chamber dimension	Cylinder  Φ2560×11500mm
Observation window	Frost-resistant glass φ240mm,δ25~27				Installed on the front
Door seal	Medical O section silicone rubber seal
Temperature sensor	T-type thermocouple
Shelves (Heating Plates)
Shelf material	6063 aluminum alloy
Shelf dimension(L*W*H)	9900×600×15mm
Shelf quantity.(pc)	17+1 layers (total 36pcs) Bilateral symmetry hanging type				The top layer of the shelves is temperature compensation
Distance between shelves	95mm
Aluminum alloy tray	haibi   538*610*35*2				612 pcs x 2sets
Shelf lowest temperature	Room temperature
Shelf highest temperature	+120ºC
Condenser
Condenser Material	SUS304/ 8mm thick
Condenser dimension	Cylinder  Φ2560×7100mm
Tube material	SUS304
Tube water catching area	≥240
Refrigerant	R404a
Defrost method	spray + immersion
Temperature sensor	T-type thermocouple
Condenser design temperature.	-40ºC,lowest -55ºC
Cooling rate	+30~-40ºC≤30min
Observation window	Frost-resistant glass φ240,δ25~27				Installed on the side
Refrigerating Unit
Screw Compressor.	FUSHENG  SDL-330B 96HP 72kw   Double screw compressor				2set
Power consumption	144KW
Refrigerant	R404a				Prepared by clients
Shelf temperature uniformity	+/-1ºC
Oil separator	JINGWEI
Oil Filter	Shengzhou Jinhao
Gas-liquid separator	Shengzhou Jinhao
Dehumidification drying filter	Shengzhou Jinhao
Manometer	Shengzhou Jinhao
water-cooled condenser	Zhejiang KAIDI
Corrugated Damping Pipe	Shengzhou Jinhao
Manual stop valve	Shengzhou Jinhao
Refrigerating solenoid valve	Emerson
Expansion valve	DF
Red Copper Pipe	φ22,φ16,φ12,φ10
Refrigeration Return-pipe	φ57φ51φ38  Stainless steel seamless pipe
Vacuum System
Primary vacuum System
Slide-valve vacuum pump			H-150  15kw WOHUA		1set
Roots Pump			WOHUA  ZJP-1200  11KW		1 set
Maintain Vacuum System
Water-ring Pump			BOSHAN TIANTI  2SK-9P  22KW		1 set
Roots Pump			WOHUA  ZJP-300   4KW		1 set
Roots Pump			WOHUA   ZJP-150  3KW		1 set
Roots Pump			WOHUA   ZJP-1200 11KW		1 set
Corrugated pipe			Φ108,¢89		Vacuum Pipe Shock Resistance
Pump air flow			1200L/S
Power consumption			66Kw
Butterfly valve			Ningbo GI-63 GI-100
Vacuum solenoid valve			Ningbo DDC-65		Automatic open or close with vacuum pump
Vacuum gauge			Shandong
Final vacuum			≤10Pa		No-load
Pumping rate			From the atmospheric pressure dropped to 133 Pa≤20min
System leakage rate			0.005 Pa.m3/sec
Circulation System
Pipe material	304 seamless pipe
Circulation pump	Nanfang  11KW				1set
Power consumption	11Kw
Ball valve	Shanghai DG65				Comply with the standard of Q/IAKX002-97
Circulating fluid	WATER				Prepared by customer
Heat exchanger	Baode BPHE				1set
Heating rate	>1ºC/min
Heating method	Steam heating system				Boiler Prepared by customer
Control method	Manual/Auto control
Heater dimension	Φ300×300
Circulating fluid tank dimension	Φ300*500
Control System
System Monitoring Software	haibi				1set
Vertical control cabinet	Hangzhou 1400×400×2000				Control, record
PLC	SIEMENS				1set
Thermocouple extension module	SIEMENS				3
Analog Input Module	SIEMENS				1
HMI	MCGS				1
Cable of HMI and PLC	haibi
Constant current	haibi				1
Switching Power Supply	Taiwan MW companies / 24V/5V				24V 1pc 5V 1pc
thermocouple	T-type thermocouple
vacuum gauge	Shandong
AC contactor	SR
Air-break	SR
Electric wire	50,35,25,10, 6,4,2
Quick-Freezing Room
Temperature		≤-40ºC
dimension (L*W*H)(mm)		10500*3500*4420				1 set
Fan		250				2 set
Trolley (mm)		1080(L)×1410 (W)×1440(H)				9sets x 2
Trolley rails		12# I-beam