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Shini SCD Series Manual
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Shini SCD Series Manual

Shini SCD Series Manual

"one-to-two" compact dryers
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SCD
Series
"One-to-Two" Compact Dryers
Date：Dec., 2020
Version：Ver.A (English)

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Summary of Contents for Shini SCD Series

  • Page 1 Series "One-to-Two" Compact Dryers Date：Dec., 2020 Version：Ver.A (English)

  • Page 3: Table Of Contents

    Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 The main features ................... 8 1.3 Technical Specifications ............... 10 1.4 Safety Regulations ................11 1.4.1 Safety Regulations for the Blowers ..........11 1.4.2 Safety Signs and Labels .............. 12 1.4.3 Lable Description .................
  • Page 4 4.7 Lock Setup .................... 25 4.8 Low-temp. Alarm Setup ................ 26 4.8.1 The Value of Low-temp. Alarm ............ 27 4.8.2 Reaction Time of Low-temp. Alarm ..........27 4.9 Heater Alarm ..................28 4.10 Parameter Setting Instruction ............... 28 4.11 Alarm Description (Dehumidifying System) ........... 29 4.12 Drying System Operation ..............
  • Page 5 Don't let sundries fall into the barrel, when taking out the air filter....55 6.7 The Useful Life of the Key Parts of the Product ........55 6.8 Cooler ....................55 6.8.1 Cooler Clean Step ............... 55 6.9 Maintenance Schedule ................. 57 6.9.1 General Machine Information ............
  • Page 6 Picture 4-3：Weekly Time Start Setup 2 ............23 Picture 4-4：Weekly Time Start Setup 3 ............24 Picture 4-5：Weekly Day Setup ................ 24 Picture 4-6：Weekly Day Setup ................ 24 Picture 4-7：Temp. Unit Selection 1 ..............25 Picture 4-8：Temp. Unit Selection 2 ..............25 Picture 4-9：Data Lock Screen .................

  • Page 7: General Description

    1. General Description Read this manual carefully before operation to prevent damage of the machine or personal injuries. “One-to-Two” “All-in-One” Compact Dryer SCD-80Ux2/80H possesses three functions of dehumidification, drying and four-stage conveying in one unit. It utilizes one dehumidifier to dry materials in two different hoppers simultaneously, and control each hopper temperature separately.

  • Page 8: Coding Principle

    1.1 Coding Principle 1.2 The main features l Combine the function of dehumidifying, drying and four-stage conveying into single unit. l It equips with two drying hoppers, and controls each hopper temperature separately, which can dehumidify and dry two different materials simultaneously and is mainly used with double-shooting injection molding machine.
  • 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: Technical Specifications

    1.3 Technical Specifications Picture 1-1: Outline drawings Table 1-1：Specifications 40Ux2/80H Model SCD- 80U×2/80H 120Ux2/120H 160U×2/200H Ver. Process Heater Power (kW) 3.9x2 3.9x2 0.75 Process Blower Power (kW) 0.75 40x2 Drying Hopper Capacity (L) 80×2 120x2 160×2 Regenerating Heater Power (kW) Regenerating Heater Power (kW) Dehumidifying Air Quantity /hr)

  • Page 11: Safety Regulations

    Safety Regulations 1.4.1 Safety Regulations for the Blowers 1) Under normal operation, the blowers will generate high temperature. Do not touch blower's case to avoid any physical injury. 2) Under normal operation, the blower motor's current loading will increase or reduce according to air pressure's change accordingly.

  • Page 12: Safety Signs And Labels

    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! High temperature, take care of hands! This label should be stick to the shell of heater. Attention! No need for regular inspection because all the electrical parts in the control unit are fixed tightly!

  • Page 13: Transportation And Storage Of The Machine

    1.4.4 Transportation and Storage of the Machine Transportation 1) SCD series "One-to-Two" compact dryers are packed in crates or plywood cases with wooden pallet at the bottom, suitable for quick positioning by fork lift. 2) After unpacked, castors equipped on the machine can be used for ease of movement.

  • Page 14: Exemption Clause

    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 15: Sturcture Characteristics And Working Principle

    2. Sturcture Characteristics and Working Principle 2.1 Working Principle Dehumidifying: damp and hot air from two drying hoppers is blown into rotor through the filter and cooler. Moisture from the air is absorbed by rotor and is then adsorbed by regeneration heating air by rotor rotating before being discharged.

  • Page 16: Relative Humidity And Dew-Point

    2.2 Relative Humidity and Dew-point Relative humidity: Relative air humidity means real vapor content to saturated vapor at the same temperature in percentage. Dew point: it means that temperature when the saturation vapor begins to dew. When the relative humidity is 100%, the ambient temperature is the dew point temperature.

  • Page 17: Installation And Debugging

    3. Installation and Debugging Before installation, please read through this chapter carefully. Install the machine according to following steps. The power connection should be completed by professional technicians! Notes! Keep 2m distance between the machine and the combustibles. 3.1 Machine Allocation Please ensure 1m installation space around the machine at least to facilitate machine maintenance and repair.

  • Page 18: Duct And Feed Tube Connection

    Duct and Feed Tube Connection Picture 3-2：Installation Drawing 2 3.3 Water Connection Cooling water pressure is 3~5kgf/cm the water inlet & outlet pressure difference is 3~5kgf/cm cooling water temperature is at 10~30℃. Table 3-1：Cooling Water Label Description Label Description Water outlet: cooling water outlet. Water inlet: inlet for replenishing water and cooling water.

  • Page 19: Air Source Connection

    3.4 Air Source Connection Table 3-2：Air Pipe Connection Items Specificaiton Quality grade (The concentration of solid particles is not greater than 5mg/m3, the dew-point temperature is -20℃, and the oil content doesn’t exceed 25mg / m3) Air supply pressure (bar) Air flow (L/hr) Pipe size PM20...

  • Page 20: Application And Operation

    4. Application and Operation Turn on the main switch to ON status, and connect power supply on the control panel. 4.1 Dehumidifying System Operation 4.1.1 Control Panel Picture 4-1：Control Panel Table 4-1：Control Panel Description Name Function Descripton Remarks & Notices The green light on means It indicates the working status of blower the running state...

  • Page 21: Panel Operation

    machine. Alternative switch temp. and time diplay Temp./ time display makes easy setting of time or temperature switch key parameters. Set value down key Decrease the value of the parameter When the machine has fault, the buzzer After troubleshooting, then Buzzer sound lasts the buzzer stops buzzing.

  • Page 22: Intermittent Running Setup

    Note: When the machine is delivered from the factory, PID parameters have been debugged, so it’s unnecessary to run PID auto tuning when it is not necessary. 4.2 Intermittent Running Setup → ← Drying periods(0-ON Stop periods(0-OFF) 1) Press <SET> key to change temp. setup value into time setup value， press <TEMP/TIMER>...

  • Page 23: Weekly Time Start Setup

    4) Cancel intermittent running by entering 00.00 at "0-ON" or "0-OFF" press <Enter> to confirm input value after time setup and enter into time setup items from "1-ON" "week-ON". Picture 4-3：Intermittent Running Setup 3 4.3 Weekly Time Start Setup 1) After setting intermittent operation type, here comes Weekly Time. Press <Up>or<Down>...

  • Page 24: Present Time Modification

    Picture 4-4：Weekly Time Start Setup 3 4) Press <SET> key to back to normal status, after finish all the setup. 5) Setup all the "ON" to 00:00 if it is not for weekly time start/stop. 4.4 Present Time Modification 1) After 7-OFF setting is finished, press <Enter>key, it displays “TIME” that is the present time.

  • Page 25: Weekly Time Start/Stop

    4.5 Weekly Time Start/Stop 1) Activate the weekly time start after finish the time setup and the present time setup. 2) Press "AUTO" key at working or stop status to preset the time start/stop, the "PV" will display the time and temp. alternatively. 3) Press "AUTO"...

  • Page 26: Low-Temp. Alarm Setup

    Picture 4-9：Data Lock Screen 2) F-04 is a LOCK function, press <Up>or<Down> key to select LOCK or OFF function. 3) After selection, press<Enter>key to confirm; press<SET>key, do not save the value then exit. 4) When selects LOCK, press<SET>key during temp. setup, the SV would display “LOCK”.

  • Page 27: The Value Of Low-Temp. Alarm

    4.8.1 The Value of Low-temp. Alarm 1) After F-05 setting is finished, press<Enter>key, at this time PV displays F-40. Picture 4-10：Value of Low-temp. Alarm Note: F-05 is to set over-temp. alarm, the default value is 15 ℃ . It is not allowed to modify the value. 2) F-40 is to set low-temp.

  • Page 28: Heater Alarm

    Heater Alarm 1) After F-41 setting is finished, press<Enter>key, at this time, PV displays F-42. Picture 4-12：Heater Alarm 2) F-42 is heater alarm, press <Up>or<Down> key to modify the alarm time and start it. When heater alarm is OFF, heater alarm function is closed. When it works, if the heater doesn’t below the set temperature minus 5℃...

  • Page 29: Alarm Description (Dehumidifying System)

    4.11 Alarm Description (Dehumidifying System) Table 4-3：Error Code Error Code Description E-01 Heater thermocouple E-02 Anti- phase, default phase E-03 Blower overload E-04 Drying temp. is higher than EGO protection set value E-05 Drying temp. is higher than system set max. temp. E-07 Over-temp protection (PV≥SV+ set value, system sounds alarm) E-08...

  • Page 30: Drying System Operation

    4.12 Drying System Operation 4.12.1 Control Panel 4-1：Control panel Picture 4.12.2 Operation Step 1) Open the main power switch of control box. 2) Press <RUN/STOP> key, start drying process at first, the state indicator is green； 3) Press <RUN/STOP> key once again, stop drying process, the state indicator is yellow.

  • Page 31: Pid Setting

    5) Press <Menu> key, it returns operation screen. Note” When “LOCK” set as “YES”, temperature setting is locked, unable to modify. Setting 4.12.5 PID 1) Press <menu> and <Down> keys together for 3 secs., it displays “P” (proportional band); 2) Press<SET>key, the value flickers, meanwhile press <Up>or<Down> keys to add or decrease the value.

  • Page 32: Intermittent Running Setup

    PID Setting Parameter Table 4-4： Parameter Code Default Value Proportional band Integration time Differential time Overheat alarm 15℃ Control cycle HCLE Blower delay FDLY Temp. unit UNIT ℃ 4.12.6 Intermittent Running Setup 1) Press <Menu> key for 2 secs. to set current time and week. Press <Up>or<Down>...
  • Page 33 2) Press <Up> key，it enters “ID”(communication address) setting. Note: In the same system, the communication address of each controller should be only, without repeat. Basically: the communication address of hopper 1 set as 1, the communication address of hopper 2 set as 2, and so on; 3) Press<SET>key, the value flickers, at this time, press <Up>or<Down>...
  • Page 34 current time(week) present time(hour) present time(min.) TS-01 status（output status） bit0 on/off status：1=ON 0=OFF bit1 timing on/off status：1=ON 0=OFF bit2 intermittent running status： 1=ON 0=OFF bit3 temp. unit：1= ℉ 0=℃ bit4 Heater status 1=on 0=off bit5 Blower status 1=on 0=off bit6 Release staus 1=on 0=off bit7Alarm status 1=on o=off Alarm signal（input signal）...
  • Page 35 Heating switch cycle SV setting lock 0:OFF 1:ON Blower stop delay Overheat protective temp. Temp. unit 0: ℃ ℉ Present time setting (week) Present time setting (time) Present time setting (min.) Timing switch on / off 0:OFF 1:ON First run time of intermittent running Intermittent running OFF time Intermittent running ON time Monday on / off time (min.)
  • Page 36 Thursday start (hour.) Friday start time (min.) Friday start time (hour.) Saturday start time (min.) Saturday start time (hour.) Sunday start time (min.) Sunday start time (hour.) 36(58)

  • Page 37: Operation Process

    4.12.9 Operation process M express：Menu key express：Up/Down key △/ ▽ 37(58)

  • Page 38: Wrong Codes Remarks

    4.12.10 Wrong Codes Remarks Table 4-7： Wrong Codes Remark Wrong codes Remark Temp.sensitive line disconnection alarm Over temp.alarm Overload alarm EGOOvertemperature electric power supply is cut off 38(58)

  • Page 39: Panel And Keys Instruction (Suction System)

    4.13 Panel and Keys Instruction (Suction system) Picture 4-2：Panel (Suction system) Table 4-8：Panel and Keys Instruction (Suction system) Instruction Action indicating area Hopper displaying area (first display) Time setting area (second display) Hopper setting key (add up) Hopper setting key（lessen） Parameter setting key（add up）...
  • Page 40 shortage indicator appears, press <ON/OFF> again to return preparation state. 40(58)

  • Page 41: Operation Time Setting

    4.13.2 Operation Time Setting 1. Parameter Group 1 Function Parameter Display Code Name Description Default Range ON：start hopper n OFF：stop the hopper n on-off ON/OFF loading of hopper n Hopper 1: 15 sec. Hopper n set hopper n loading Hopper 2: 10 sec. 0 —...
  • Page 42 Set shut-off time of hopper 斗 1:0S n (Note: it adds up to total hopper n 斗 2:5S 0 — 99 loading time, such shut-off time 斗 3:0S loading time of hopper 2 斗 4:5S =F2+F4) 斗 1:0 hopper n hopper n is available to 斗...

  • Page 43: Alarm Instruction

    1.1sec 2.2ec loading time unit 1 secs 1 — 10 3.3sec … 10.10sec intermittence ON time 0 secs 0 — 99 0：constantly ON of screen cleaning Intermittence OFF 0 secs 0 — 99 time of screen 0：constantly ON cleaning screen cleaining time 0 secs 0 —...
  • Page 44 Fault Alarm Code hopper material shortage motor overload over pressure abnormal power off（abnormal shutdown） 44(58)

  • Page 45: Trouble-Shooting

    5. Trouble-shooting Table 5-1：Trouble-shooting Symptom Possible causes Actions taken 1.Check cooling water temperature (below 1. Return air temperature too high 40℃) 2. Return air temperature too high 2. Adjust electric conveyer (Default value is 4) 3. Abnormal setting of 3. Reset the regeneration temperature (Factory regenerating temperature set the H5 to 80 ℃...
  • Page 46 1. Material is used up 1. To add more materials. Continuous 2. Pipe is leakage 2. Repair or replace. running but 3. Filter is blocked 3. Clean 4. Check diaphragm valve or shutoff valve's cannot fill 4. Diaphragm valve or shutoff valve is pressure, electric valve may be burnt out, closed circuit is well connected or not...

  • Page 47: Maintenance And Repair

    6. Maintenance and Repair Pipe heater Pipe heater Rotor assembly Overheat protector Cooler Blower Filter Blower Controller Filter Electrical components Dust-proof screen 1) Controller Check whether the temperature control is accurate. Period: daily. Check whether the dew point is normal (provided with the dew-point monitor).
  • Page 48 4) Pipe heater Replace the pipe heater when it is broken. 5) Rotor components Confirm whether the gear motor and synchronous gear belt has damaged. Period: six months. Clean the honeycomb rotor. Period: six months. 6) Overheat protector Check whether the overheat protector works normally (Stop heating when the heating temperature reaches the overheat protection value).

  • Page 49: Honeycomb-Rotor

    Honeycomb-rotor 6.1.1 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 cylinder or rotary 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...

  • Page 50: Honeycomb Rotor Cleaning

    Picture 6-2：Honeycomb Rotor Installation Step 1 2) Install the gearmotor (4 screws marked 5 in the dia.) and transmission gear (mark 4 in the dia.), and install and fix three support screws (mark 3 in the dia.). Picture 6-3： Honeycomb Rotor Installation Step 2 3) Install the honeycomb-rotor (mark 9 in the dia.) and transmission belt (mark 12 in the dia.), fix the rotor top cover (mark 8 in the dia.), fit three springs and tighten the screws (mark 7 in the dia.), install both the...
  • Page 51 3. If there is dirt sticking to the channel walls inside the rotor, cleaning steps as follows: a. Saturate the rotor by blowing humid air (higher than 60%RH) through the rotor without having regeneration circuit on. This can be done by just turning the regeneration heater off and still have the process blower running if process air has high humidity.

  • Page 52: Pipe Heater

    6.2 Pipe Heater 1) Install the heating pipe 1 into the heater 2. 2) Install it on the machine. Warning: The high-temp. surface is hot when touched by hands Please attach labels on the shell of the pipe heater. 再生电热 再生电热：...

  • Page 53: Blower Motors

    6.3 Blower Motors To clean blower both internal and external parts (especially the fan cooling path), by removing surface dust. If more dusts are accumulated, it will cause deficiency for ventilation, temperature rising up, blower power reduced, vibration increased and so it will cause machine broke down. Ball bearing, oil seal and sound-proof are belonging to consumable parts and so it has a life period and requires regular replacement.

  • Page 54: Filter & Pressure Regulating Valve

    6.5 Filter & Pressure Regulating Valve Parts list： 1. Pressure adjusting knob 2. Pressure gauge 3. Cup 4. Water outlet Picture 6-7：Filter & Pressure Regulating Valve Drawing 6.5.1 Filter & Pressure Regulating Valve Operation steps 1) Switch on the air source. 2) Pull the black pressure adjusting knob 1 upward and rotate it, observe the pressure gauge 2, generally a 0.5 Mpa pressure is advisable.

  • Page 55: Picture 6-7：Air Filters

    Picture 6-7：Air Filters Note! Don't let sundries fall into the barrel, when taking out the air filter. The Useful Life of the Key Parts of the Product Table 6-1：The Useful Life of the Key Parts of the Product Name of the parts Useful life Blower Above 5 years...
  • Page 56 3) Use brushes, compressed air or low pressure water to clean the dust and sundries on the cooler fan and copper pipe. Notes: water residue on the 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.

  • Page 57: Maintenance Schedule

    6.9 Maintenance Schedule 6.9.1 General Machine Information Model Manufacture date Voltage Ф Frequency Power 6.9.2 Installation & Inspection Check if the air pipes are tightly connected. Check if the material cleanrance door tightly closed. Check if the air pipes are correctly connected. Check if there are damages of the honeycle.
  • Page 58 Check and clean compressed air filter and regulator. Check magnetic valve. Check motor overload relay and phase-reversed prevention function. Check whether air pipe is shed, leaked and loose. 6.9.5 Monthly Checking Check if the belt is loose or not. Check gear box working conditions. Check if there are leakages in the honeycomb.

This manual is also suitable for:

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