Laboratory Chiller SUNDI -70℃ ～ 250℃

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-70℃～250℃
Change the control settings of the method, the response as soon as possible in the process of the system lags behind be the smallest system overshoot. Controlled by two PID (PID is a variable in each group) control loop structure, known as the two sets of control loops: the main circuit and from the circuit, the main control loop from the loop output as the settings. The system with feedforward with PV, the master PID loop operation results of the PV output and feedforward signals as the composite of the settings from the control loop, through such control of the temperature gradient, to ensure the accuracy of temperature control system.

type	Temp range℃	Heating KW	Cooling capacity KW AT ℃						Flow/pressure L/min bar		Outside size	power KW
type	Temp range℃	Heating KW	250	100	20	-20	-40	-60	Flow/pressure L/min bar		Outside size	power KW
SUNDI-725W	-70～+250	2.5	2.5	2.5	2.5	2	1.3	0.4	20	2	5506801450	5.2*kw
SUNDI-735	-70～+250	3.5	3.5	3.5	3.5	3	1.8	0.55	35	2	5506801450	8kw
SUNDI-735W	-70～+250	3.5	3.5	3.5	3.5	3	1.8	0.55	35	2	5506801450	8kw
SUNDI-755	-70～+250	5.5	5.5	5.5	5.5	4.9	2.3	0.75	50	2	6507001750	11kw
SUNDI-755W	-70～+250	5.5	5.5	5.5	5.5	4.9	2.3	0.75	50	2	5506801450	11kw
SUNDI-775	-70～+250	7.5	7.5	7.5	7.5	6	3.1	0.9	75	2	7508001850	15kw
SUNDI-775W	-70～+250	7.5	7.5	7.5	7.5	6	3.1	0.9	75	2	6507001750	15kw
SUNDI-7A10W	-70～+250	10	10	10	10	8.5	4	1.2	110	2.5	7508001850	20kw
SUNDI-7A15W	-70～+250	15	15	15	15	14	8.8	2.8	110	2.5	10009501750	28kw

Typical application of refrigeration heating temperature control system

Dynamic thermostatic control of cold and heat source of high pressure reaction kettle, dynamic thermostatic control of double layer glass reaction kettle, and dynamic thermostatic control of cold and hot source of double-layer reactor.

Microchannel reactor thermostatic control, small temperature control system, steam - feeding system temperature control, material low temperature aging test.
The thermostatic control of the combined chemical cold source heat source, the cooling heating of the semiconductor equipment and the heating temperature of the vacuum chamber are controlled.

Advantages and functions of temperature control system of refrigeration

Temperature range from 120 to 350, performance superior, unique, high - precision, intelligent temperature control.
High cooling power from 0.5 to 1200kW, highest production stability and repeatable results.
Multi-function alarm system and safety function, use plate heat exchanger, tube type heater to increase heating and cooling rate.
7-inch and 10-inch color TFT touch screen graphics display, use magnetic drive pump, no re-seal leakage problem.
Full airtight system, extended thermal conductivity liquid life, very wide temperature range, no need to change liquid media.
Ultra-high temperature cooling technology can be cooled directly from 300 degrees of high temperature.
The principle and the function has many advantages to using staff: because only expansion of cavity in the body heat conduction medium contact with oxygen in the air (and expansion tank temperature at room temperature to 60 degrees), can achieve lower heat conduction medium absorbed by oxidation and the risk of air moisture.
No heat conduction medium evaporates at high temperature, and it can be achieved -80 ~ 190 degrees, -70 ~ 220 degrees, -88 ~ 170 degrees, -55 ~ 250 degrees, -30 ~ 300 degree continuous temperature control without pressurization.

Adopt full closed pipe design, adopt high efficiency plate heat exchanger, reduce the demand of heat conduction liquid, improve the heat utilization rate of the system, reach the rapid lifting temperature.Thermal conductive medium in a closed system, with a container, expand the heat-conducting medium not participate in circulation in the container, whether high or low temperatures, expansion tank temperature to room temperature to 60 degrees, can reduce the heat conduction medium in running the risk of absorb the moisture and volatile.

Type	SUNDI/UST series
Control Mode	Feedback PID + Our special dynamic control calculation, Lneya PLC controller
Temp.control	Material reaction temp.control mode and jacket temp.control mode
Program Editor	10 programs, each program can edit 45 steps.
Communication Portocol	MODBUS RTU Protocol,RS485 interface Optional Ethernet interface/R232 interface
Temp.feedback	The temperature of three points: the inlet and outlet of heat-conducting medium, material in reactor(External temperature sensor), PT100 sensor
Material temp. feedback	Material temp. feedback：PT100 or 4～20mA or communication given Temp.feedback：PT100
Temp. difference	Set or control oil outlet temp and reactor material temp. difference Set or control equipment liquid inlet temp. And liquid outlet temp. Difference( keep system safe)
Material temp.accuracy	±1℃ （sometimes ±0.5℃）
Thermal medium temp. accuracy	±0.5℃
Closed circulation system	The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supply oil automatically at low temperature.
heating	Heating max output power The heater has triple protection and independent temperature limiter to ensure the safety of heating system. The power is greater than 15KW with a voltage regulator, and the heating power output control adopts 4-20ma linear control.
Cooling capacity	The power of taking away the heat at different temperature
Circulation flow rate and pressure	Lower than 75L/min, use Lneya Magnetic pump Higher than 75L/min use Ultra wide temperature high energy efficiency centrifugal pump. Pressure selection: 2bar 3bar 5bar 8bar（small power equipment can not customize） The greater the pressure, the greater the power of the motor, which will increase the system load and reduce the cooling capacity of the system.
compressor	Different type different brand compress Mitsubishi, skop, Emerson, Danfoss, Italy Dorin, German blog, bizell, French Tecumseh.
evaporator	KAORI Plate heat exchanger
Oil separator	Emerson/Lneya
Drying filter	danfoss/Emerson
Shock tube	CASTEL/packless
voltage-controlled	danfoss/Emerson/fengsheng
Expansion valve	Emerson thermal expansion valve/Emerson electronic expansion valve/danfoss thermal expansion valve. Select different expansion valves with different temperature and cooling capacity.
Operation panel	Lneya 7-inch touch screen，show temp curve\EXCEL data output Optional Siemens explosion - proof touch screen.（Place the operation panel outside the site area.） optional GMP, FDA operation and record module (operator use record, data record, alarm record, etc.)
Safety protection	Self-diagnosis function; freezer overload protection; high pressure switch, overload relay,thermal protection device, liquid low level protection, high temperature protection and temperature fault protection.
refrigerant	R-404A / R404A R23 mixture/ R404A R23 R14 mixture
interface size	G1/2、G3/4、G1、DN25 DN32 DN40 DN50 DN65 DN80 DN100（PN10 RF）
Water-cooling W	With W is water cooled type, lower than -60 degree equipment, you need use 7-25 degree cooled water
Water cooled condenser.	Tube heat exchanger, plate heat exchanger, tube condenser. packless、sheng、KAORI、JINDIAN、XIAOLING etc
power	AC 380V 50HZ Three-phase five-wire system. Small power 220V 50HZ single phase Optional 460V 60HZ、220V 60HZ three-phase
Shell material	Standard shellSUS 304，optionalspraying plastics （color 7035）
Isolation of explosion-proof	optioanl（EXdIIBT4) Lneya explosion-proof product installation license number.：PCEC-2017-B025
Positive pressure explosion-proof	optioanl(EXPXdmbIICT4) The positive pressure system must be water-cooled type Lneya explosion-proof product installation license number：PCEC-2017-B025
Self pressurizing system	Optional self-pressurized 3bar system, the temperature of the system can be expanded, the expansion tank is normal pressure. KDOC-80 can be used in a pressurized system with a maximum temperature of 250 degrees (-85 degree ~ 250 degree). KDOC-220 can be used in the self-pressurized system with maximum temperature to 320 degrees (-50 degree ~ 320 degree). KDOC-210 can be used in a self-pressurized system with a maximum temperature of 300 degrees (-70 degree ~ 300 degree)
Flow/pressure	Optional flow/pressure sensor, display flow and pressure on the touch screen. Optional control flow/pressure.
One for two system	Optional one for two systems: the costis lower than one to one system. One unit heating and cooling machine contains two circulation system, two cooling system, two heating systems, one expansion system, one electrical system.
High exothermic control	Customizable high heat control system algorithm and components.
flow reactor temperature control module.	It can be used in the flow reactor temp control system (pump, internal circulation system, control algorithm, refrigeration)

Application Area of Laboratory Chiller in the Vacuum Glove Box

The glove box (vacuum glove box) is a laboratory equipment that fills the box with high pure inert gas and circulates the active substance. It is a lso known as vacuum glove box, inert gas protection box, etc. The main function is the removal of O2, H2O and organic gas.

Vacuum glove box are widely applied to no water and no oxygen, dust-free ultrapure environment, such as lithium ion battery materials, semiconductor, super capacitor, special lights, laser welding, brazing, material synthesis, OLED, MOCVD, etc. It also includes biological applications such as anaerobic culture and cell hypoxia culture.

Our laboratory chiller SUNDI -70 ℃ ~ 250 ℃ is a universal precision cold water machine, with stainless steel piping system, high performance controller, multistage centrifugal pumps, and the built-in filter unit. It can meet various needs. Built-in multiple detection and alarm function can provide water flow alarm protection, water level alarm protection, overtemperature alarm protection. The RS485 serial interface and supporting equipment communication can be provided according to the user's needs, and can fully manage all the equipment of the chiller. The parallel interface can be provided, and the switching value of the alarm signal can be controlled by the switch signal.

Laboratory Chiller SUNDI -70℃ ～ 250℃

Typical application of refrigeration heating temperature control system

Advantages and functions of temperature control system of refrigeration

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