Method and device for improving concentration speed of diameter-variable concentration cup
A technology of speed and sub-device, which is applied in the field of increasing the concentration rate of variable-diameter concentration cups, can solve the problems of speeding up the concentration rate, increasing gas consumption, and increasing the cost of the experiment, so as to reduce the exposed area, save the concentration time, and save the cost of the experiment. Effect
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[0016] Example 1:
[0017] Such as Figure 1~3 As shown, the device for increasing the concentration rate of the variable diameter thickening cup of the present invention includes a number of thickening sub-devices 1, a supporting frame 2, and a gas pipeline 3. Each thickening sub-device 1 includes a large-diameter upper part and a small-diameter lower part. Reducing concentrating cup 11, two blowing needle connecting frames 12, a first blowing needle 13 and a second blowing needle 14;
[0018] The bottom of the support frame 2 is provided with the same number of through holes as the reducing concentrator cups 11 in the transverse direction. The support frame 2 can take any form, which will not be repeated here. The lower small diameter of each reducing concentrator cup 11 passes through the through holes. It is fixedly connected to the supporting frame 2, and the upper part of each reducing concentrating cup 11 is fixedly connected to the supporting frame 2. The top of all reduci...
Example Embodiment
[0024] Example 2:
[0025] The structure of this embodiment is basically the same as that of embodiment 1. The difference is that this embodiment combines the two blowing needle connecting frames 12, the first blowing needle 13 and the second blowing needle 14 in each concentration sub-device 1 of the embodiment 1. Replaced with a blowing needle connecting frame 12 movable on the gas pipeline 3 and a blowing needle 13 movably connected to the blowing needle connecting frame 12, when the solvent to be concentrated is in the large diameter of the reducing concentration cup 11, the blowing needle The connecting frame 12 is fixedly arranged on the top of the reduced diameter concentrating cup 11, and the air outlet direction of the blowing needle 13 is at an angle of 45° to any tangent direction of the inner wall cross section at a distance of 1 to 5 cm from the mouth of the reduced diameter concentrating cup 11. When it is at the small diameter of the reduced diameter concentrating ...
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