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Nuclear power plant TES cement solidification line control method

A control method and cement solidification technology, which is applied in nuclear engineering, radioactive purification, etc., can solve the problems of unsatisfactory addition efficiency and achieve the effect of preventing uneven solidification ratio

Inactive Publication Date: 2016-04-13
中广核工程有限公司 +1
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Therefore, the joining efficiency is not ideal

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  • Nuclear power plant TES cement solidification line control method
  • Nuclear power plant TES cement solidification line control method

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[0030] In order to make the purpose, technical solution and technical effect of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.

[0031] figure 1 For the TES cement solidification line control method of a nuclear power plant according to an embodiment of the present invention, the method includes:

[0032] S102: adding waste to the batching bucket. In particular, the waste is first fed from the storage tank into the preparation tank, and then the waste is fed from the preparation tank into the batching bucket by its own gravity. In one of the embodiments, the batching bucket is a metal bucket.

[0033] S104: Add additives into the batching barrel. Specifically, the amount...

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Abstract

The invention discloses a nuclear power plant TES cement solidification line control method. The control method comprises the steps that waste is added into a mixing barrel; additives are added into the mixing barrel; the mixing barrel is conveyed to a waste stirring plant through a conveying chain; a stirrer is sealed with a cover, and stirring blades are dropped to form sealing in the metal barrel; lime is added into the metal barrel; the stirrer is started to fully stir the lime and the waste; a cement adding device is started to add a fixed amount of cement according to the water cement ratio in a formula, and a solidified body is stirred continuously; the adding amount of the waste is metered through an online fixed volume. Since metering is performed through the online fixed volume, the waste can be added quickly and accurately, and the problems of uneven solidification proportions, waste overflow and the like are prevented.

Description

technical field [0001] The invention relates to the field of solid waste treatment, in particular to a method for controlling the TES cement solidification line of a nuclear power plant. Background technique [0002] Cement solidification line is a waste solidification treatment method, and it is also a method of harmless and stable treatment of hazardous waste. Cement is a kind of inorganic cementing material, which produces a hydration reaction when added with water, and forms a hard cement block after the reaction. The cement solidification method is often used to solidify sludge containing harmful substances. The cement reacts with the moisture in the sludge to produce gelation, and the sludge particles containing harmful substances are respectively coated and gradually hardened. The structure of this solidified body is mainly The fine particles of sludge are enclosed between the crystals produced by the cement hydration reaction. Therefore, even if the solidified body ...

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Application Information

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IPC IPC(8): G21F9/30
CPCG21F9/304
Inventor 薄晶杰董孝胜张学岭田骏刘锦洋刘成王钊
Owner 中广核工程有限公司
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