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Treatment system for homogenization of solid medium formula and method therefor

A processing system and homogenization technology, applied in chemical instruments and methods, liquid ingredient supply devices, mixing plants, etc., can solve the problems of difficult mixing, unfavorable mixing, limited mixing time, etc., and achieve the effect of mixing uniformly

Inactive Publication Date: 2018-03-02
CHINA NUCLEAR POWER TECH RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are the following defects in terms of its implementation method: firstly, the feeding method uses all components to be fed separately, and then mixed in the same mixing chamber, which is not conducive to uniform mixing; secondly, single-stage stirring is used for mixing, and the side The way of stirring while discharging, the mixing time is limited, it is difficult to mix evenly in this way

Method used

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  • Treatment system for homogenization of solid medium formula and method therefor
  • Treatment system for homogenization of solid medium formula and method therefor

Examples

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Embodiment 1

[0037] This embodiment 1 provides a treatment system for homogenizing the fixed formula of nuclear power plant cement, the structural diagram of the treatment system is as follows figure 1 As shown, specifically, the processing system includes a cement metering storage system 1, a water metering system 2, an admixture metering storage system 3, a mixing bin 4, a stirring system 5, and a pumping system 6; the cement metering storage system 1 and the The mixing system 5 is connected, the water metering system 2, the admixture metering storage system 3 and the stirring system 5 are all connected to the mixing chamber 4, and the stirring system 5 is connected to the pumping system 6.

[0038]In this embodiment, each component system realizes the following functions. The cement metering and storage system 1 is used to realize the metering, storage and transportation of specific fixed body formula cement dry material; the water metering system 2 is used to realize specific fixed body...

Embodiment 2

[0046] Based on the same inventive concept, this embodiment provides a method for homogenizing the fixed formula of nuclear power plant cement, which includes a treatment system for homogenizing the fixed formula of nuclear power plant cement described in Example 1, and its process flow is as follows figure 2 As shown, specifically, the method of this embodiment includes the following steps:

[0047] 1) According to the fixed formula requirements of nuclear power plant cement, the dry cement material is transported to the primary mixing bin 51 according to a predetermined amount through the cement metering storage system 1;

[0048] 2) While performing step 1), the liquid components are first transported to the mixing chamber 4 according to the formula requirements, and then enter the primary mixing chamber 51 after preliminary mixing in the mixing chamber 4. The liquid components include additives and water ;

[0049] 3) While performing steps 1)-2), the primary mixing cham...

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Abstract

The invention discloses a treatment system for homogenization of a solid medium formula and a method therefor. The system is applied to cement grouting fixation for medium- and low-radioactive wastesin nuclear industry. The system includes a cement metering and storing system, a water metering system, and additive metering and storage system, a mixing bin, a stirring system and a pumping system.The method includes the steps of: 1) according to formula demand of cement fixation of a nuclear power plant, feeding a cement dry material to a first-stage stirring bin according to preset quantity via a dry material storage bin; 2) according to the formula demand, feeding a liquid component to the mixing bin to initially mix the components in the mixing bin, and feeding the mixture to the first-stage stirring bin; 3) at the same time, performing initial stirring to the cement dry material, an additive and water in the first-stage stirring bin, thus preparing a mixture body; 4) after the initial stirring is completed, feeding the mixture body into a secondary initial bin to perform fine stirring; 5) after the secondary stirring is completed, feeding the mixture body to a cement grouting station through the pumping system. The treatment system and the method are different from systems and methods applied generally in nuclear power plants, wherein secondary stirring is designed, so thatmaterials are stirred more homogeneously.

Description

technical field [0001] The invention relates to the technical field of cement grouting and fixation of medium and low radioactive waste in the nuclear industry, in particular to a treatment system and method for homogenizing solid medium formula. Background technique [0002] Nuclear power plants, nuclear technology applications or military industries will produce a certain amount of radioactive solid waste. Reflective waste is divided into different types according to different standards. and high-level radioactive waste. With the rapid development of nuclear energy, the production and accumulation of radioactive waste have also increased. At this time, the disposal of radioactive waste has become an important issue facing the development of nuclear energy. If effective measures cannot be taken to dispose of these wastes, the radioactive waste caused Environmental and personal safety issues will become more and more prominent, and will also hinder the healthy development o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C9/02B28C7/04B28C7/12B28C7/16
CPCB28C9/02B28C7/04B28C7/12B28C7/163
Inventor 周东升邹利平刘夏杰吕永红许燕飞曾毅庆王朝晖赵宇王泉元
Owner CHINA NUCLEAR POWER TECH RES INST CO LTD
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