A barium sulfate particle size control device and method
A particle size control, barium sulfate technology, applied in chemical instruments and methods, calcium/strontium/barium sulfate, calcium/strontium/barium compounds, etc., can solve the problem of low added value, difficult to control particle size distribution, and difficult to achieve artificial interventions to improve productivity
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Embodiment 1
[0081] 1. The concentration of barium sulfide solution is 170g / L, and the concentration of sodium sulfate solution is 290g / L. at 20m 3 capacity of the reaction tank. Stirring speed 32 rpm;
[0082] 2. The dimensions of the vertical baffle tank 8 used are as follows: the diameter of the vertical baffle tube is 150 mm, the width of the baffle tank 81 is 100 mm, the number of layers is 4, and the distance between the baffle tanks 81 is 120 mm;
[0083] 3. Open the feeding valves of barium sulfide solution and sodium sulfate solution, and feed into the vertical baffle tank 8 at the same time, the flow rate of barium sulfide solution is 7.5m 3 / h, sodium sulfate flow rate 4.1m 3 / h, when feeding to 3 / 4 of the volume of the compounding tank, get the slurry to filter, and use sodium sulfate and barium chloride detection reagents to see if the end of the reaction is reached. Thereafter, close the excess raw material valve, replenish the missing raw material until the end of the re...
Embodiment 2
[0086] 1. The concentration of barium sulfide solution is 175g / L, and the concentration of sodium sulfate solution is 300g / L. 3 Carry out in the reaction tank of volume, stirring speed 32 rev / mins;
[0087] 2. The size of the feeder used is as follows: the diameter of the vertical baffle tube is 150mm, the width of the baffle groove 81 is 100mm, the number of layers is 4, and the distance between the baffles is 120mm. Only sodium sulfate flows through this equipment, and the barium sulfide feeder pipe 15. The diameter is 80mm, straight pipe cutting, no other parts;
[0088] 3. Open the feeding valve of barium sulfide solution and sodium sulfate solution, the flow rate of barium sulfide solution is 8m 3 / h, sodium sulfate flow rate 4.2m 3 / h, when feeding to 3 / 4 of the volume of the compound tank, take the slurry to filter, use sodium sulfate and barium chloride to detect whether the reaction end point is reached, thereafter, close the excess raw material valve, supplement th...
Embodiment 3
[0091] 1. The concentration of barium sulfide solution is 180g / L, and the concentration of sodium sulfate solution is 280g / L. 3 Carry out in the reaction tank of volume, stirring speed 32 rev / mins;
[0092] 2. The size of the feeder used is as follows:
[0093] Ring feeding tube for barium sulfide solution: ring diameter 2.1m, tube diameter 80mm, number of falling water holes 8, hole diameter 20mm;
[0094] Sodium sulfate solution annular feeding pipe: the ring diameter is 1.2m, the pipe diameter is 65mm, the number of falling water holes is 4, and the hole diameter is 20mm;
[0095] 3. Open the feeding valves of barium sulfide solution and sodium sulfate solution, and feed into the annular feeding pipe at the same time, the flow rate of barium sulfide solution is 7.5m 3 / h, sodium sulfate flow rate 3.8m 3 / h, when feeding to 3 / 4 of the volume of the compound tank, take the slurry to filter, use sodium sulfate and barium chloride to detect whether the reaction end point is r...
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