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Shini SDD-LC Series Manual
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Shini SDD-LC Series Manual

Shini SDD-LC Series Manual

Dehumidifying dryer
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SDD-LC
Series
Dehumidifying Dryer
Date: Nov., 2020
Version: Ver.G (English)

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Summary of Contents for Shini SDD-LC Series

  • Page 1 SDD-LC Series Dehumidifying Dryer Date: Nov., 2020 Version: Ver.G (English)
  • Page 3 Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Technical Specifications ............... 10 1.3.1 Outline Drawing ................10 1.3.2 Specifications ................11 1.3.3 Drying Capacity ................12 1.4 Safety Regulations ................14 1.4.1 Safety Regulations for the Blowers ..........14 1.4.2 Safety Signs and Labels ..............
  • Page 4 4.1.1 System Initialization Screen ............29 4.1.2 Drying Monitoring ................ 29 4.1.2.1 Opening System ............. 30 4.1.2.2 Shut down the system: ............ 30 4.1.2.3 Set the Drying Temperature ..........31 4.1.2.4 Set the Regen. Temperature .......... 31 4.1.3 Conveying Monitor (Only for SCD model) ........31 4.1.4 Temperature Curve Monitoring ............
  • Page 5 5.7.5 Monthly Checking ................ 54 5.7.6 Half-yearly Checking ..............54 5.7.7 Yearly Checking ................54 5.7.8 3 year Checking ................54 Table Index Table 1-1: Specifications ................... 11 Table 1-2: Drying Capacity 1 ................12 Table 1-3: Drying Capacity 2 ................13 Table 5-1: The useful life of the key parts of the product ........
  • Page 6 Picture 4-10：Parameter Setting ............... 35 Picture 4-11： Password Input ................. 36 Picture 4-12：Password Keyboard ..............36 Picture 4-13：Rotor Parameter Setting ............. 36 Picture 4-14：Rotor 2 Parameter Setting (Only for SD Series Model) ....37 Picture 4-15：PID Parameter Setting ..............37 Picture 4-16：Dew-point Parameter Setting ............
  • Page 7 1. General Description Please read through this operation manual before using the machine to prevent damages of the machine or personal injuries. SDD series dehumidifying dryer combine dehumidifying and drying systems into a single unit. They have many applications in processing plastic materials, such as PA, PC, PBT, PET etc.
  • Page 8 Dehumidifying Air Quantity (m /hr) H: Honeycomb Rotor Hopper Capacity (L) U: European Type Shini Dehumidifying Dryer 1.2 Feature  The SDD dehumidifying dryer use honeycomb dehumidifiers with an eye-catching semi-integral appearance.  Each model combines dehumidifying and drying functions into a single unit.
  • Page 9 Chapter 6, which contains service instructions intended for service engineers. Other chapters contain instructions for the daily operator. Any modifications of the machine must be approved by SHINI in order to avoid personal injury and damage to machine. We shall not be liable for any damage caused by unauthorized change of the machine.
  • Page 10 1.3 Technical Specifications 1.3.1 Outline Drawing SDD-40U/40H SDD-80U/40H~230U/120H SDD-300U/200H~1200U/700H Picture 1-1: Outline Drawing 10(54)
  • Page 11 1.3.2 Specifications Table 1-1: Specifications Regen. Drying Dry Air Regen. Drying Insulated Model- Heater Blower Volume Dimension (mm) Weight Ver. Blower (kW) Heater Hopper (kW) (kW) /hr) H×W×D (kg) (50/60Hz) (kW) (50/60Hz) (50/60Hz) (50/60Hz) 0.12 0.18 1509×978×931 40U/40H 0.12 0.18 1796×1060×1030 80U/40H 0.18...
  • Page 12 1.3.3 Drying Capacity Table 1-2: Drying Capacity 1 Drying Drying Drying Capacity (kg/hr) Material Temp. Time 120U 160U 230U 300U 450U (℃) (hr) /40H /40H /80H /80H /120H /120H /200H /200H PMMA IONOMER PA6/6.6/6.1 PA11 PA12 PETG PS(GP) SAN(AS) Note: 1. Please refer to above drying capacity of SCD machine, select the right model according to material usage of processing machine.
  • Page 13 Table 1-3: Drying Capacity 2 Drying Capacity (kg/hr) Drying Drying Time Material 600U 750U 900U 1200U Temp. (℃) (hr) /400H /400H /700H /700H PMMA IONOMER PA6/6.6/6.10 PA11 PA12 1062 PETG PS(GP) SAN(AS) Note: 1. Please refer to above drying capacity of SCD machine, select the right model according to material usage of processing machine.
  • Page 14 1.4 Safety Regulations Warning! Electrical installation should be done by qualified technician only. Before connecting to AC Power Source, turn power switch to OFF position. While AC power source is connected, make sure specifications and overload protection rating of the power switch are suitable and reliable. When the machine is under care or maintenance status, turn both power switch and automatic operation switch to off.
  • Page 15 repair. 7) Don't manual discharge material inside the hopper while its not or opening cleaning door while the material is not. Picture 1-2: Safety Regulations for the Blowers 1.4.2 Safety Signs and Labels Danger! High voltage danger! This label is stuck on the electrical boxes. Attention! This label means that this area should be taken care! Warning!
  • Page 16 1.4.3 Signs and Labels Hot surfaces can burn hands. Water outlet: drainage outlet. Water inlet: inlet for replenishing water and cooling water. Push-and-pull switch for shut-off plate: I: Means "Pull" O: Means "Push" 1.4.4 Transportation and Storage of the Machine Transportation 1) SDD series dehumidifying dryer are packed in crates or plywood cases with wooden pallet at the bottom, suitable for quick positioning by fork lift.
  • Page 17 4) Plastic film should be used to protect the machine from dust and rains. Working environment Indoors in a dry environment with max. temperature +45℃ and humidity no more than 80%. Do not use the machine 1) If it is with a damaged cord. 2) On a wet floor or when it is exposed to rain to avoid electrical shock.
  • Page 18 Shini (including employees and agents). Shini is exempted from liability for any costs, fees, claims and losses caused by reasons below: 1. Any careless or man-made installations, operation and maintenances upon machines without referring to the Manual prior to machine using.
  • Page 19 2. Structure Characteristics and Working Principle 2.1 Working Principle Moisture hot air from drying hopper is blown into rotor after flowing through cooler. Moisture from the air is dried by rotor and is then adsorbed by regeneration heating air. Two strands of airflow function on the rotor. And with the rotation, moisture from the air is absorbed and expelled after absorbed regeneration air to form stable low dew-point air, which is dried and heated to the drying temperature and then is blown into material barrel to closed circle to dry material.
  • Page 20 2.3 Why Choose SDD For these quality deficiencies as bubble, crazing, cracking, poor transparency are due to insufficient drying of plastic materials before molding, and the engineering plastics such as: PC, PA, PBT, PET, Nylon, etc. The hygroscopic materials used in the plastics industry such as PC, PA, PBT, PET, Nylon, etc.
  • Page 21 2.4 Options  Built-in type, which meas that dew-point monitor is installed on the machine, is convenient to monitor dew-point temperature. Add "D" at the end of the model code.  Portable type, which meas that dew-point monitor is separate from the machine, is convenient to test dew-point temperature of different machines.
  • Page 22 If there's the problem, stop using the machine and please contact Shini company to purchase the EOF oil filter to protect the honeycomb from being affected by the oil and gas separated from the material, so as to prolong the service life.
  • Page 23 the structure and size could withstand the machine. 3.2 Power Connectors 1) Make sure voltage and frequency of the power source comply with those indicated on the manufacturer nameplate, which is attached to the machine. 2) Power cable and earth connections should conform to your local regulations.
  • Page 24 3.4 Water connections The cooling water pressure is 3~5bar and the cooling water temperature should be 10~30℃. Water outlet: cooling water outlet. Water inlet: inlet for replenishing water and cooling water. Cooling water needs to be connected the before operation. The water port is at the back of the machine.
  • Page 25 （L/min） （L/min） 400H 500H 700H 1000H 120H 1500H 150H 2000H 200H 3000H 300H 4000H Note：1.Difference in temperature：5℃ 2.Cooling water pressure：3~5Kgf/cm² 25(54)
  • Page 26 3.4.2 Condensation Drainage Pipe During normal operation, it will generate condensation water. Connect the water pipe at drainage outlet to remove the condensation water is necessary. 1) Drainage pipe inner diameter should not less than the diameter of drainage outlet. 2) Drainage pipe should be long enough to approach the drainage channel, and be the hose.
  • Page 27 3.6 Oil Filter Oil Filter Picture 3-5: Installation Dia. of Oil Filter Oil Filter Installation Steps: 1) Screw the oil filter on the top plate of the honeycomb dehumidifier. 2) Connect 1 and 2 with a heat-resistant duct and fixed both the ends with stainless steel tube.
  • Page 28 3.7 Plate Heat Exchanger Picture 3-6: Plate Heat Exchanger Figure Each part is connected by heat-resistant air pipes and fixed by stainless steel pipes as shown in the diagram. 28(54)
  • Page 29 4. Application and Operation 4.1 Panel Description 4.1.1 System Initialization Screen After the system is powered on, the touch screen displays the initial screen, as shown in the picture below: Touch the <English> or <Chinese> button at the screen bottom to select the English or Chinese screen, and then enter the drying monitoring screen.
  • Page 30 Page 1 6 0 Drying PV value Drying SV value Temp. curve 1 8 0 - 5 0 Parameter setting Alarm info. check Dew-point PV value Cooling return Regen. Regen. air temp. PV value; SV value PV value Picture 4-3：SDD Series Drying and Monitoring Screen Page Temp.
  • Page 31 system shutdown, which is generally set as 3 mins. 4.1.2.3 Set the Drying Temperature Touch < drying SV value > on the drying barrel, and a numeric keyboard pops up, and enter the temperature value through the keyboard. 4.1.2.4 Set the Regen. Temperature Touch the <regen.
  • Page 32 Next page Return Picture 4-6：Primary Conveying Parameter Setting Return Picture 4-7：Advanced Conveying Parameter Setting Attention! The parameters have been set to preset values when the machine leaves the factory. No resetting is permitted without permission! The conveying time, especially, can not be set too long as to avoid pipeline blockage. Conveying time (1~999S) When the system detects the hopper lack of materials, it will time the material signal.
  • Page 33 When feeding the injection molding machine, it restricts the suction times in case of lasting shortage signal. After it reaches the set suction times, the system will stop feeding the machine; Meanwhile, it will give out the alarm signal of suction failure to remind users to check the storage hopper whether it is shortage or other suction failures.
  • Page 34 Data export Return Picture 4-8：Temperature Curve (Only for SCD/SDD model) Data export Return Picture 4-9：Temperature Curve (Only for SD model) 4.1.4.1 Data Export Steps Click the < Data Export > button to export the temperature data to the USB disk. U-disk Interface 34(54)
  • Page 35 Attention! 1) The data export takes 5 ~ 10s. 2) To prevent data loss, it’s forbidden to plug and unplug the USB disk during data export. 4.1.5 Parameter Setting Touch <Setting Button > on the “Drying Monitoring” interface to enter the parameter setting screen.
  • Page 36 Picture 4-11： Password Input Picture 4-12：Password Keyboard 4.1.5.1 Rotor Parameter Setting Screen Click the rotor parameter setting button in the parameter setting screen to enter the screen: According to the model, the warning time is set to 5-15 mins. In the rotor parameter setting menu, click to enter the parameter setting screen of rotor 2 (Rotor 2 parameter setting interface is for SD model).
  • Page 37 Return Picture 4-14：Rotor 2 Parameter Setting (Only for SD Series Model) 4.1.5.2 PID Setting Click the “PID” button in the parameter setting screen, and the system will pop up the PID temp. control parameter screen as shown in the picture below. Picture 4-15：PID Parameter Setting When the temperature control is incorrect, the user can adjust the P.I.D temperature control parameters by manual to achieve the best control effect.
  • Page 38 Table 4-1：Adjustment of Proportion Adjustment of Integral Time (I) Table 4-2：Adjustment of Integral Time Adjustment of Differential Time (D) Table 4-3：Adjustment of Differential Time 4.1.5.3 Dew-point Parameter Setting Click the dew-point setting button to enter the dew-point parameter setting interface, which can set: 1) Dew-point range and upper and lower limit of the dew-point value.
  • Page 39 4) High dew-point temp. alarm function: Turn on the high dew-point alarm switch, and set the high dew-point alarm temp.and time; High dew-point alarm function principle: Turn on the switch of the high dew-point alarm, input the high dew-point alarm temp. (Default value: - 20 ℃), and input the dew-point alarm time (Default value: 60Min).
  • Page 40 Note！ The model of the machine can’t be changed during its operation. 7) Hopper 1 shut-off valve function（reserved） 2021 Next page Return Picture 4-17：System Parameter Setting 1 Return Picture 4-18：System Parameter Setting 2 4.1.5.5 One-week Timer Setting Screen Touch the “One-week Timer” button on the parameter setting menu to enter the timer parameter setting screen as shown in picture below: 40(54)
  • Page 41 Picture 4-19：One-week Timer Setting Prompt ： After setting the auto-run time, pressing button "OFF" to activate one week timer. 4.1.5.6 System Alarm Setting Click the alarm setting button in the parameter setting interface to enter the alarm setting, and then click to return to the parameter setting interface. Return Picture 4-20：System Alarm Setting Overheat deviation: Input the overheat deviation value (Default value is 15 ℃).
  • Page 42 Low temp. alarm: Input the low-temp. deviation value (Default value is 15 ℃) and input the low-temp. alarm delay time (Default value is 60s). After running the system and the PV value rises to SV value, if the system detects that the PV value (drying or regeneration) is lower than the SV value - low temp.deviation value, and lasts the low temp.
  • Page 43 Table 4-4：Alarm Information List Alert Message Results Possible Causes System cannot operate, and the Low voltage, phase shortage and phase Auti-phase visible alarm is flickering. error Process blower Dehumidifier does not work and the Low voltage, blower fault, thermal overload. visible alarm is flickering.
  • Page 44 5. Maintenance and Repair 44(54)
  • Page 45 5.1 The Useful Life of the Key Parts of the Product Table 5-1: The useful life of the key parts of the product Name of the Parts Useful Life Blower Above 5 years Process heater Above 1 year Regen. heater Above 1 year Contactor Above 2000,000 act...
  • Page 46 5.3 Honeycomb-rotor 5.3.1 What is Honeycomb-rotor The main body of the honeycomb-rotor is a honeycomb, made by ceramic fibre and organic additives, sintered under high temperature with molecular sieve and silica gel, to be strongly bonded together and form a solid and hard surface. Not like common molecular sieve, which will produce dusts and fines to pollute raw materials when aging or become saturated requiring regular replacement, the moisture of return air is quickly absorbed by numerous tunnels before coming out...
  • Page 47 9) 9) Install both the transmission belt (Fig. 13) and belt tension regulator (Fig. 14). 10) 10) Install micro-switch and fixed board firmly (Fig. 10). Picture 5-3: Installation of The Rotor 5.3.3 Honeycomb Rotor Cleaning Steps 1) Use a vacuum-cleaner with brush to suck up the dust on rotor surface. 2) Blow off the dust in the rotor channels with compressed air.
  • Page 48 7~10 applied to molecular valve). Greasy dirt should be put into a detergent solution with xylene. 15 minutes cleaning is suggested. c. Take the rotor out of the liquid and let it rest with the channels vertically for 5 minutes so the liquid can run out. d.
  • Page 49 cooler fan and copper pipe should be dried with compressed air. 4) Make the cooler's upper and lower cover junction clean enough and smear the silica gel then fixed the covers with screws. 5) Put the cooler on the air at least 4 hours to make the silica gel drying enough then fix the cooler on the chiller and connect all pipes.
  • Page 50 3) Remove the dew-point detector assembly from the machine, and mount it to another Φ28 hole on the controller. Install a dew-point monitor base on original hole, and mount two Teflon pipe connectors on the base. Via the copper pipe, one connector connects to the honeycomb and another connects to the dew-point detector assembly.
  • Page 51 5) Insert the dew-point monitor into the hole on the panel and fasten it. Picture 5-10: Connection of Signal Wire 5) Connect signal wires of the transmitter and power lines of dew-point monitor with the according terminals. Connet contact No.1 and No.2 with power, supply is 220VAC. Contact No.3, No.4 and No.5 are idle.
  • Page 52 2) Adjust dew-point alarm setting value, and press “U” and “D” to adjust the value. 3) Press “E” and save setting value. 4) Press “S” to leave setting mode. 2. Special mode functional setting: Enter this mode. Firstly hold “U” “D” for three secs. and enter (after enter special mode, it displays F-X in which X means that different number.);...
  • Page 53 5.7 Maintenance Schedule 5.7.1 General Machine Information Model Manufacture date Ф Voltage Frequency Power 5.7.2 Check after Installation Check that the conveying pipes are tightly locked. Check that the material clearance door is firmly closed. Check that the conveying pipes are correctly connected. Check if there are damages of honeycomb-rotor.
  • Page 54 Check if there are loose electrical connections. Check and maintain compressed-air filter and regulator. Check solenoid valve. Check motor overload relay and anti-phase function. Check whether air pipe is shed, leaked and loose. 5.7.5 Monthly Checking Check if transmission belt is loose or not. Check the status of gear motor performance.

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