Wastewater crystallization salting system and control method thereof
A control method and waste water technology, which is applied in control/manipulation systems, chemical instruments and methods, water/sewage treatment, etc., can solve problems such as high manual participation, low automation level, and complex operation, so as to improve the level of automation control, The effect of reducing the complexity and difficulty of operation
Pending Publication Date: 2021-05-14
昆山三一环保科技有限公司
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Problems solved by technology
[0004] The invention provides a waste water crystallization and salt extraction system and its control method, which are used to solve the defects of high manual participation, complicated operation and relatively low automation level in the crystallization and salt extraction section in the prior art
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[0029] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0030] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...
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The invention provides a wastewater crystallization salting system and a control method thereof. The wastewater crystallization salting system comprises a thickener, wherein the outer side of the thickener is provided with a thickener weighing module, the outer side wall of the thickener is provided with a plurality of lugs, and the lugs are supported on the thickener weighing module below each lug; a centrifugal machine which is arranged on the downstream of the thickener and communicated with the thickener through a discharging pipeline, and a first discharging valve and a second discharging valve are arranged on the discharging pipeline; a wet salt belt conveyor which is arranged at the downstream of the centrifugal machine and is communicated with the centrifugal machine through a blanking hopper; and a controller which is electrically connected with the thickener weighing module, a thickener motor of the thickener, the centrifugal machine, the first blanking valve, the second blanking valve and the wet salt belt conveyor. According to the wastewater crystallization salting system and the control method thereof provided by the invention, the operation complexity and difficulty of an evaporative crystallization salting section in traditional wastewater treatment can be reduced, and the automatic control level of the salting section is improved.
Description
technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater crystallization salt extraction system and a control method thereof. Background technique [0002] In the high-salt wastewater treatment industry, the usual treatment method is to carry out evaporation unit operation. Single-effect, multi-effect or MVR evaporation is a common evaporation crystallization method. By using an external heat source to heat up the incoming wastewater to evaporate and concentrate to achieve material saturation Concentration, after continuing to evaporate and concentrate to achieve supersaturation, crystals (that is, salt) will precipitate out. According to the different dissolution properties of different materials, cold crystallization or thermal crystallization may be used at this time; at this time, the salt and mother liquor need to be centrifugally separated to remove the salt The system is located at the end of the entire...
Claims
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IPC IPC(8): C02F1/38C02F1/00B65G45/22
CPCB65G45/22C02F1/008C02F1/38C02F2001/5218C02F2303/14
Inventor 李含驰刘品达陈茜周福伟王卓
Owner 昆山三一环保科技有限公司