A volume control box, a volume control system, and a chemical and volume control system
A technology of volume control and box shell, which is applied in chemical instruments and methods, chemical/physical processes, transportation and packaging, etc., can solve problems such as too long time, easy to form dead zone, uneven distribution of boric acid concentration, etc., to achieve enhanced Mixing effects, time-reducing effects
Active Publication Date: 2021-05-07
SHANDONG UNIV
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Problems solved by technology
However, with the increase of the inlet flow rate, the liquid level in the volume control box will be unstable, and the dissolution of nitrogen in the volume control box will be accelerated.
In addition, in the boridation and dilution conditions, with the existing technology, the macroscopic mixing in the volume control box is weak, and the time for the concentration of boric acid at the outlet of the volume control box to reach the target value of the concentration of boric acid at the outlet of the volume control box is obviously too long
At the same time, with the prior art, the inventors found that due to the geometric asymmetry, the concentration of boric acid in the volume control box is not evenly distributed, and it is easy to form a dead zone, which will eventually cause the time to reach the target value of the final boric acid concentration inside the volume control box to be too long. long
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[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
[0030] It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.
[0031] In...
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The invention belongs to the field of volume control boxes and provides a volume control box, a volume control system, and a chemical and volume control system. Among them, a volume control box includes a volume control box housing; several inlets, all of which are centrally symmetrically distributed on the volume control box housing, and all of the inlets have the same height; the axis of each inlet is the same as the volume control at the corresponding inlet. The normals of the tank shell walls are not collinear; the outlet, which is connected to the bottom of the volume control tank shell. It can reduce the local flow dead zone and enhance the mixing effect in the whole volume control box.
Description
technical field [0001] The invention belongs to the field of volume control boxes, in particular to a volume control box, a volume control system, and a chemical and volume control system. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Common ways to achieve liquid mixing in tanks in industry mainly include impeller mixing and jet mixing. Usually, for tanks that use jet mixing, the liquid will be sucked into the pump and discharged from the nozzle as a high-velocity liquid back into the slow-flowing or stationary tank liquid, and the formed jet will entrain the surrounding fluid, Create fluid circulation. Finally, the working fluids of different components are fully mixed. In the pressurized water reactor nuclear power plant, the chemical and volume control system is equipped with a volume control box to buffer the volume change of the...
Claims
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IPC IPC(8): B01F3/04B01F15/02B01F15/00
CPCB01F23/23B01F35/2211B01F35/717
Inventor 王乃华池翔宇
Owner SHANDONG UNIV