| Custom processing:|| Measuring range: FT-104 alumina bulk density tester, alumina, bulk density meter|
| Type: Electronic density meter|| Division value: 1|
| Accuracy: 1|| Purpose: FT-104 alumina bulk density tester, alumina, bulk density meter|
| Variety: vibrating|| Power: 1 (V / HZ) |
| Display: 1|| Custom processing: |
| Measuring range: || Types of: |
| Dividing the value of: || Accuracy: |
| use: || Variety: |
| power supply: || display method: |
FT-104 alumina bulk density tester Instructions
The product for the production, management, and use of alumina and aluminum fluoride laboratory determination of physical performance use.
The instrument does not apply to the poor flow properties of powder materials.
two, Applicable standards : GB / T 6609.25 alumina chemical analysis methods and determination of physical performance - Part 25 Determination of bulk density
three, skills requirement
FT-104 alumina bulk density tester
Basis in line with GB / (alumina chemical analysis methods and determination of physical performance bulk density determination) T 6609.25-2004 technical specifications alumina chemical analysis methods and determination of physical performance - Part 25 Determination of bulk density of FT-104 oxide Aluminum Bulk Density Tester Technical parameters:
1. Funnel: mouth diameter 100mm, taper 60º, within the discharge port by 6mm.
2. cylinder: about 200ml, the inner diameter of the inner high ratio of 1: 6, the base outer diameter of 70mm
3; Material: Stainless steel
4. Environment Temperature: 15 ~ 25 ℃ Relative humidity: not more than 70%.
5. Lighting: lighting conditions conform to the requirements of the operating microscope laboratory in a natural airflow and vibration conditions.
6. fume hood placed over a smooth, do not open fan. With laboratory no dust, corrosive, volatile items.
Fourth, the general performance
1, in line with (alumina chemical analysis methods and determination of physical performance bulk density determination) GB / T 6609.25-2004 technical specifications ..
2, the product to meet the easy maintenance, safe, reliable, economical and practical aesthetic requirements.
3, equipment installation, commissioning and use
4, confirm the ready placement of the instrument bench is level.
5, according to GB / T 6609.25-2004 (Alumina chemical analysis methods and determination of physical performance bulk density determination) in the assembly diagram and technical specifications, for installation of the instrument.
V. Installation of the instrument .
1, the canopy-shaped gauge stainless steel cylinder top cover placed on the instrument chassis together so that the cylinder base and concentric ring groove on the chassis.
2, stainless steel ring funnel rack set in the pole, while the stainless steel funnel on a ring stand, and put the location. Vertical and horizontal adjustment ring frame, so that brought out the funnel spout and concentric cylinder, the fastening ring frame.
3, cylinder volume calibration
4, maintaining a constant temperature laboratory, laboratory instruments and test water in place for a sufficient time to reach temperature equilibrium.
5. Wipe with cotton wool and frosted glass cylinder sheet, ensure dry and clean inside and outside, called quality, accurate to 0.1 grams.
6, the cylinder is placed on the instrument chassis. Will carefully test water injection cylinder in proximity to the surface along the cylinder, the cover frosted glass sheet, leaving a gap of about 10 mm.
7, with a dropper experiment water was added dropwise to the liquid in contact with the ground glass sheet, a net to catch the liquid bubbles sliding frosted glass sheet, so as to completely cover the cylinder mouth with cotton wool to quickly wipe the cylinder wall and frosted glass sheet below attachment of water.
8, weighing the total mass of the cylinder containing the test water and ground glass disc, to the nearest 0.1 g.
9, was weighed before and after the poor quality of, and quality is the same cylinder volume test water, divided by the temperature corresponding to the density of the test water, namely the volume of the cylinder.
10, under the control of material flow
Experimental determination required under feed flow rate 20g / min-60g / min, should be controlled at 40 / min about Flow control more difficult by hand, use of the instrument by adjusting the quantity under the stainless steel hopper to achieve.
11, the diameter of 5mm stainless steel butterfly screw speed, fixed handing out materials at the estuary wall stainless steel funnel. After rotating in the end, swing butterfly wings perpendicular or parallel to the first instrument chassis, for the first calibration flow position.
12 to the particle size, the degree of drying and other physical properties of the material as the test sample centered. Weigh 100 g of sample specimens, cutting the flow control at 40 / min, the flow leakage time should 2.5min.
13, at about 40mm at the top of the funnel, the sample was uniform, continuous poured into the funnel, the lower funnel to maintain a certain stock, and will not leak air. After all drain, drain time dirty mind.
14, butterfly wings 90 continues to swing, to the second perpendicular or parallel to the instrument chassis, the second calibration flow position, the corresponding measured flow drain time and so on, measured at different positions of the butterfly wings sample stream leak time.
15, the selected sample stream leak close to the time 2.5min butterfly wing position, and then follow the position and the difference between the situation of the stream adjacent to the drain of time and 2.5min, in proportion to fine-tune the position, determined under the control of the stainless steel funnel quantity position.
Sixth, the use of splice tray
Use splice tray to avoid sample from the cylinder overflow spilled on the instrument chassis and laboratory bench.
1, the splice tray set at the upper end of the cylinder, the sample flows into the cylinder from the funnel, and after when the flow over the cylinder at the top of the cone is formed, more than sample overflow, the inflow splice tray, stop raising the sample.
2, with a straight ruler, along the edge of the cylinder tube gently scrape off the top of a packed sample.
3, the upper cylinder gently tapping with a ruler to make the sample within the compaction cylinder, scraping plane fall.
4, soft bristle brush with a flat inner splice plate along the remaining sample swept into the splice tray, and then splice tray removed from the upper end of the cylinder, the cylinder with cotton wool to wipe the outer wall of the buildup of the sample, and then weighing , used to calculate the bulk density.