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Drawell TANK User Manual
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Drawell TANK User Manual

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User's Manual V1.0
Contents
I. SUMMARY.................................................................................1
II. TECHICAL PARAMETERS............................................................3
III. COMPONENTS AND FUNCTIONS................................................4
IV. INSTRUCTIONS OF DIGESTION TANK........................................17
V. OPERATING STEPS...................................................................25
VI.NOTES....................................................................................26
VIII. COMMON FAULTS AND TREATMENT METHOD...........................29

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  • Page 1: Table Of Contents

    User’s Manual V1.0 Contents I. SUMMARY………………………………………………………………………1 II. TECHICAL PARAMETERS……………………………………………………3 III. COMPONENTS AND FUNCTIONS…………………………………………4 IV. INSTRUCTIONS OF DIGESTION TANK………………………………….17 V. OPERATING STEPS……………………………………………...………….25 VI.NOTES.………………………………………………………………………..26 VII.ROUTINE MAINTENANCE OF EQUIPMENT AND COMPONENT……28 VIII. COMMON FAULTS AND TREATMENT METHOD……………………...29...
  • Page 2 User’s Manual V1.0 Warning: The instrument can not provide the designed protection for operators who do not follow the right procedures and requirements given by the manufacturer. Warning: All solutions must be handled with care according to the lab’s safety regulation. Please make a reference to the related material safety data sheet.

  • Page 3: Summary

    User’s Manual V1.0 I. Summary Thank you for your purchasing and using of TANK Microwave Digestion System. We appreciate your trust and will try our best to serve you. As a kind of sample pretreatment technology, microwave digestion emerged in the middle of 1980s. Since the advantages of fast...
  • Page 4 When the user is not familiar with similar instrument, foundation training is required. 2. The actual number of digestion tank shall consist with the set value of digestion program. Error shall be less than 2 tanks. 3. Perchloric acid is prohibited using digest samples 4.

  • Page 5: Techical Parameters

    User’s Manual V1.0 5. Digestion of flammable and explosive material is prohibited. (refer to Notes) 6. Dry running is prohibited. 7. Safekeeping the manual and transfer it if operator changes. 8. The company reserves the right of product upgrade and changes the manual content without notice.

  • Page 6: Components And Functions

    Dimensions: 600mm×685mm×660mm (W×D×H) Weight: 62kg III. Components and functions 1. Components Figure 1.1 Front view of TANK LCD color 5 inch screen -- Displaying internal image LCD color 7-inch touch screen——Displaying menu, method parameters and instrument status by touch operating Lock of safety door——Switch of safety door...
  • Page 7 User’s Manual V1.0 Figure 1.2 Back view of TANK Socket of power supply——Connect power line of standard configuration Switch of power supply——Switch on and switch off the power supply Communication interface——Connect communication tools like computers Air intake——Provide air for chamber to exhaust gas inside of chamber Cooling fan——Cool the important working components...
  • Page 8 User’s Manual V1.0 2. Functions 2.1 Initial Interface As shown in Figure 2.1, the Welcome Interface appears after starting up. “Microwave Digestion System” lies at left bottom corner. The system turn to “Function” interface after finishing self-checking. Figure 2.1 2.2 Function interface Function Interface includes four functions: Run, Edit, Setup and Help, as shown in Figure 2.2.
  • Page 9 Click “switch” to User Methods. Click rotary arrow to rotate the turnplate and click it again to stop rotating so as to adjust digestion tank. After clicking “OK”, the system starts to heat and the heating interface appear. Click “Back” and it returns to Function Interface directly, just as shown in Figure 2.2.
  • Page 10 User’s Manual V1.0 Figure 2.3.2 2.3.3 Methods View Interface On the System Methods Interface (Figure 2.3.1) or User Methods (Figure 2.3.2), select the needed method and click “View” to enter Methods View Interface. Just as shown in Figure 2.3.3, We can know about detailed programs of selected method, including ramp time, pressure, temperature and hold time etc.
  • Page 11 User’s Manual V1.0 2.3.4 Heating Interface Just as shown in Figure 2.3.1 and Figure 2.3.2, click “OK” on Methods Interface or select “Run” on Methods View Interface (Figure 2.3.3) to enter Heating Interface, just shown in Figure 2.3.4. The real-time process of program is shown in program list and the current temperature and pressure are shown at left bottom corner, with the green prompt word of “Heating”.
  • Page 12 User’s Manual V1.0 Figure 2.3.5 Select “Switch” on Curve Interface to enter Heating Interface (Figure 2.3.4). The functions of other keys are the same as those of Heating Interface. 2.4 Edit As shown in Figure 2.4.1, click “Edit” on Function Interface and enter User Methods Interface.
  • Page 13 User’s Manual V1.0 in 2.3.). If you want to delete one method, select it and click “Delete”. Click “Back” to return to the interface shown in Figure 2.4.1. Figure 2.4.2 Click “Add” if you want to edit method by yourself, and enter Program Input Interface, just as shown in 2.4.3.
  • Page 14 User’s Manual V1.0 Figure 2.4.3 Click “Back” to return to interface shown in Figure 2.4.1 and the input parameters will not be saved. After finishing parameter setting, click “OK” and enter Name Edit Interface, just as shown in Figure 2.4.4. Input a name easy to distinguish through keyboard (For example, 2-PE-190 means 2 tanks polyethylene sample digested at 190℃).
  • Page 15 User’s Manual V1.0 2.5 Setup Click “Setup” on Function Interface to enter the Setup Interface where you can set system time and communication port. (Basic type and ECO type have no communication settings)As shown in Figure 2.5, click “OK” to save and select “Back” to return to Function Interface directly.
  • Page 16 User’s Manual V1.0 Select “OK” on Help Interface to return to Function Interface. As shown in Figure 2.6.2, click “Instruction” and enter Instruction Interface, where the notes of the system are introduced. Click “Back” to return to Help Interface. - 14 -...
  • Page 17 User’s Manual V1.0 Figure 2.6.2 2.7 Alarm Prompt 2.7.1 Prompt of door open If the door is opened or not been fastened tightly, the prompt shown in 2.7.1 will appear and the next operation will be prohibited. You can only operate by clicking turnplate rotating key on System Methods Interface (refer to Figure 2.3.1).
  • Page 18 (2) If the temperature sensor dose not detect temperature change for a long time (more than 2 minutes), the prompt interface shown in 2.7.3-2 will appear. Please check whether temperature sensor is inserted into the bottom of temperature drivepipe of reaction tank. Figure 2.7.3-2 2.7.4 Prompt of voltage fault...

  • Page 19: Instructions Of Digestion Tank

    All the operation shall be prohibited if this fault occurs. Please wait for after-sales personnel to solve this problem. Figure 2.7.5 IV. Instructions of Digestion Tank 1. Parts of control tank - 17 -...
  • Page 20 Fig. 3.1 Schematic diagram of control tank 2. Assembly and connection procedures of control tank 1. the nut hole at the bottom of the tank cap and tighten it. Hold the tank cap and shake gently the OFT to make sure it is tightened properly without any sign of getting loose, or otherwise air leakage will be caused.
  • Page 21 5. Screw the vent valve to the vent and tighten it to prevent air leakage. 6. Put the inner tank into a clean and dry outer tank, and then a subassembly is formed. Install the subassembly to the tank rack.
  • Page 22 4. Put the inner tank into a clean and dry outer tank. Then install the formed subassembly to the tank rack, and rotate the subassembly to make the vent valve and the front part of the tank rack point in the same direction.
  • Page 23 Note: It is not suggested to put the digestion tank into water for cooling. If the tank is immersed in water, it is necessary to put the tank into a dryer for several hours before next use.
  • Page 24 User’s Manual V1.0 hold firmly the tank rack with one hand to make it directed accurately at the vent, and turn slowly the vent valve with the other hand in anticlockwise direction to release the internal pressure. Do not turn the vent valve in a quick and continuous way, which may otherwise lead to air bleeding from the thread of the vent valve.
  • Page 25 (%, ppm, ppb, ppt). For analytical experiment on major elements, immerse the inner tank after use in nitric acid with its concentration of 5% firstly. Then, clean it with water and rinse it with deionized water. Finally, let it air dry.
  • Page 26 After the pressure inside is released, remove the tank cap and take out the acid in the inner tank. Rinse the inner tank and its cap with deionized water and let all the parts dry totally. Users can optimize the cleaning procedures according to specific experimental conditions.

  • Page 27: Operating Steps

    0.3g. If it is higher than 0.3g, pretreatment is necessary (put the sample on the hot plate with its temperature of 120℃ for 20 min. then put the sample into the tank for microwave digestion). The tea shall be immersed in nitric acid firstly and leave it there overnight before it is put into the tank for microwave digestion.

  • Page 28: Vi.notes

    2. Except the TFM inner tank and PFA lid, the cleaning of components using any organic solvent or acid is prohibited. Do not use a stiff brush to clean the inner wall of the lid or the tank in case of scratching the inner wall, otherwise that may result in easier adsorption of sample as well as the reduction of service life.
  • Page 29 7. To digest any unknown sample, a pre-digestion for at least 15 minutes must be performed in an open vessel (such as a placement for some time with the tank open) to ensure that the volatile or easily oxidized material can be fully released before seal-off of the reaction tank.

  • Page 30: Vii.routine Maintenance Of Equipment And Component

    User’s Manual V1.0 VII. Routine Maintenance of Equipment and Components 1. Inner tank—the inner tank, after use, shall be soaked in 5% nitric acid, washed with water, and rinsed with deionized water and then dried in air. Check whether it is deformation or not after each use.

  • Page 31: Common Faults And Treatment Method

    Microwave Door damage; Call customer leakage Door adjustment not in service; place Call customer service Pressure Reaction tank leaks; Tighten the nut display Pressure transmitter or replace the error damaged; reaction tank; Pressure sensor Call customer damaged; service;...
  • Page 32 Main control board service; lighting damaged Call customer failure service Main sample Prepare control reaction; sample tank Reaction tank leaks; required; pressure Pressure sensor failure Replace increase reinstall; failure Call customer service Main absorption Change control microwave by sample; sample;...