Lab Hishear Disperser

Users' ManualHomogenizer

Please read this manual carefully before operation

Thank you very much for choosing Homogenizer product.

Please read the users’ manual carefully before you do any operation.

1. WARNING! Read all safety warnings and all instructions in the manual. Failure to follow the warnings and instructions may cause electric shock, fire and/or other serious injury.

2. Save this users’ manual carefully for future reference.

SAFETY INSTRUCTIONS

* Only connect the machine to single phase AC power supply, and at the voltage/frequency shown on it.

*  The socket outdoors must have a current surge preventing switch.

* Always disconnect the plug from the socket before any maintenance work on the machine.

*  Keep power cord away from the working area, and always leave the cord behind the machine during operation.

*Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the machine. Keep thepower cord away from the heat, oil, sharp edges and moving parts. Damaged or entangled cords maycause electric shock.

*  Always wear goggles during operation. It is suggested to wear also the gloves, sturdy non-slipping shoesand apron.

* Check the motor before operation. The dispersing tool should be installed correctly before idle running ofthe motor for at least 30 seconds.

* The dispersing tool will keep running for a while after the power supply is cut off. Next operation can be done only after the tool is still.

*  The dispersing tools which are damaged, out of shape or running abnormally should not be used anymore.

* During operation with sample, look out for the splashing.

*  The ventilation slots of the motor must be kept clear all the time.

* There might be short-term instability of the rotation with the surrounding magnetic interruption.

*  The motor must be far away water and humidity, which may increase the risk of electric shock to the user.

*  Please don’t do any operation any more if the machine is damaged or there is a problem, but contact YULDOR staff for debugging or send the product back to us.

*  The machine should only be repaired by qualified person, and use only YULDOR accessories and spares.

*  Only qualified worker can open the motor shell.

* The machine must work with liquid sample. Dry running may cause damage to the bushing or mechanical seal.

* Make sure the dispersing tool is inserted properly into the motor before operation.

* The machine should work no more than 2 hours continually at one time, and the total duty time per dayshould no more than 6 hours.

Content index

Safety Instructions

1. How it works

2. Typical Applications

3. Technical Parameters

4. Speed Adjustment

5. Assembly and Disassembly

6. Operation

7. Trouble Shootings and Maintenance

8. Cleaning

9. Warranty of the Machine

1. How it works

High shear dispersing is to disperse one or several phases into another continuous phase quickly and evenly,which in normal case are immiscible to each other. The high speed rotation of the rotor sucks materials into the narrow gaps between the precision-engineered stator/rotor assembly, where they are subjected to intense

mechanical and hydraulic shear, materials are rapidly mixed, dispersed, emulsified and homogenized with great efficiency. Along with the correct processing and proper additives, end products are produced with high stability.

2. Typical Applications

The BK-Y50-PLUS High Shear Homogenizer is synonymous with high performance and long service life. It is suitable for the widest variety of applications: mixing, dispersing, emulsifying, homogenizing, disintegrating, dissolving, etc. The typical involved industries are pharmaceuticals, biochemical, food, nanophase materials,

coatings, cosmetics, adhesives, paints and lacquers, dyeing, paper-making, mineral salt, polyurethane, asphalt or heavy-oil emulsification, farm chemical, organ silicon, waste water treatment, battery, etc.

The standard configuration of FA25 includes a 500W motor with a lifting stand, and 25F dispersing tool. There are several motors and a variety of dispersing tools available for different application and requirements.

3. Technical Parameters

3.1 Motor

 power: 500W (standard)

Frequency: 50Hz

Rated voltage: 220V

Rotation range: 10,000 – 30,000rpm (idle running)

Noise level: 79dB (A) (idle running)

Weight: 1.8kg

3.2 25F dispersing tool (standard)

Contact material: SS316L, PTFE

Stator diameter: 25mm

Total length: 258mm

Min./Max. immersing depth: 35/170mm

Capacity range: 100 – 40,000ml

Max. tip speed: 27m/s

Ambient temperature: ＜40℃

Sample temperature: ＜120℃The BK-Y50-PLUS model has an electronic speed control device on the motor; the speed range of the motors are as

follows:

Note: The electronic speed control device may automatically lower speed down in the event of overload, and outer extreme magnetic interference may cause temporary inconstant speed.

5. Assembly and Disassembly

5.1 Assembly of the total unit (Fig.01)

5.1.1 Connect the two separate lifting columns (8, 10) together and fix them tightly to the base plate (1) by the screw parts, then screw the nut (11).

5.1.2 Connect the arm (6) onto the coupling unit (3).

5.1.3 Insert the dispersing tool (2) into the coupling unit (3), and fix it with the fixing screw (9).

Please note the arrow and positioning line on the tool. The positioning line should overlap with the bottom edge of the coupling unit after installation of the tool. Please don’t connect the power supply until now.

5.1.4 Connect the supporting column 1 (8) with one side of the clamp (7) and the arm (6) with the other side of the clamp (7). The total unit is installed well then.

5.2 Disassembly of the 25F (Fig.02)

5.2.1 Insert the tool I (1) and II (7) respectively into the two ends of the dispersing tool. Rotate the tool I to remove the rotor (2).

5.2.2 Pull the shaft (6) out from the side A.

5.2.3 Rotate the stator (3) away from the stator pipe (5) in clock direction.

5.2.4 Remove the PTFE bushing (4) from the stator pipe (5).

Note: To disassemble other type of dispersing tools, please refer to the instruction. The bearings in the dispersing tool must be removed after the fixing rings are taken with5.3 Assembly of the 25F (Fig.02)

5.3.1 Insert the PTFE bushing (4) into the stator pipe (5) in the direction as shown in the drawing. Use your

finger to push it until it can’t move.

5.3.2 Rotate the stator (3) onto the stator pipe (5) in anti-clock direction.

5.3.3 Insert the shaft (6) into the stator pipe (5)until it is stopped by the PTFE bushing.

5.3.4 Rotate the rotor onto the shaft, and use the tool I and II to fix it tightly.

Bk-Y50-PLUS Lab Hishear Disperser

5.4 Disassembly of the 25J (Fig.03)

5.4.1 Insert the tool I (1) and II (9) respectively into the end of shaft (7) and rotor (2). Rotate the tool I in clock

direction to remove the rotor.

5.4.2 Pull the shaft (7) out from the side A.

5.4.3 Use a screwdriver to remove the fixing screw (4), and pull the stator (3) out.

5.4.4 Rotate the bushing pipe (5) away from the stator pipe (8) in clock direction.

5.4.5 Pull the PTFE bushing (6) from the bushing pipe (5).

 5.5 Assembly of the 25J (Fig.03)

5.5.1 Insert the PTFE bushing (6) into the bushing pipe (5) in the direction as shown in the drawing. Use your finger to push it until it can’t move.

5.5.2 Rotate the bushing pipe (5) onto the stator pipe (8) in anti-clock direction.

5.5.3 Insert the stator pipe (8) into the stator to the level shown in Fig.07, and fix the screw (4).

5.5.4 Insert the shaft (7) from the A side into the stator pipe (8) and through the PTFE bushing (6), until the shaft stops at the PTFE bushing.

5.5.5 Rotate the rotor onto the shaft, and use the tool I and II to fix it tightly.

5.6 Dispersing Tool Drawing

5.7 Carbon Bush Changing

5.7.1 Use special screwdriver to remove the two screws at the rear of the motor.

5.7.2 Remove the motor cover.

5.7.3 Use the flat screwdriver to push the spring piece away from the carbon bush.

5.7.4 Take the carbon bush out.

5.7.5 Push the wire clamp on the carbon bush with a flat screwdriver.

5.7.6 Take the carbon bush away. Take the other carbon bush away following the same steps.

5.7.7 Change the new carbon bush. And push the wire clamp back to the new carbon bush.

5.7.8 Insert the carbon bush back to the motor.

5.7.9 Make the spring piece back press the carbon bush.

5.7.10 Cover the motor.

5.7.11 Fix the two screws onto the motor.

6. Operation

6.1 Please read the Safety Instructions carefully before operation.

6.2 The machine must work with liquid sample. The PTFE bushing or mechanical seal of the dispersing tool must be immersed totally in the liquid.

6.3 The distance between dispersing tool bottom and the container bottom should be no less than 10mm due to sucking force of the dispersing tool when it is running. The dispersing tool should be placed eccentrically.

6.4 Check the power supply meets the requirement of the machine.

6.5 Fasten all the screws and other flexible parts before operation.

6.6 Check that there is no hard pieces in the container to avoid any collision to the stator and rotor.

6.7 Start the motor from the lowest speed. The electrical speed adjustor may reduce the speed automatically in case the sample is too viscous. It is suggested in this case that the viscosity should be reduced.

6.8 It is suggested to add the sample with low viscosity first, and samples with higher viscosity later.

6.9 The PTFE bushing should be changed to bronze one if the working temperature is above 120℃.

6.10 If the speed is much lower even though it is at idle running, the carbon bush should be changed by qualified staff.

6.11 Only use Homogenizer spares and parts.

6.12 Change the PTFE bushing if it is worn or the gap between it and the shaft is too big.

7. Trouble Shootings and MaintenancE 

8. Cleaning

The tools should be cleaned after operation.

8.1 For easy-to-clean materials, add some detergent in the vessel, keep the agitator operating in it for 5 minutes at medium speed. Then wash by clean water and dry it with soft cloth.

8.2 For hard-to-clean materials, relative solvents are suggested for cleaning, but high-corrosive solvents should be avoided.

8.3 For industries that have strict requirements on sterilization like biochemical, pharmaceutical and food, separate dismantling tools should be purchased. After dismantled, it should be subjected to cleaning and sterilization.

8.4 After cleaning, put the tool as it were, do not invert it.

9. Warranty of the Machine

9.1 Homogenizer  claims a 12-month warranty of the product from the Commercial Invoice date to the buyer, due to correct operation and under proper working condition. For incorrect operation or under improper working condition, Homogenizer  will bear no responsibility and will charge for the service and changed spares.

9.2 The product within warranty period which needs service should come to Homogenizer  with Factory Certificate and the Commercial Invoice copy.

9.3 The product which has been disassembled by the user within the warranty period will be regarded incorrect operation and Homogenizer  will not bear responsibility any longer.

9.4 Homogenizer  charges for the service and changed spares on the product out of warranty.