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Ion exchange resin pulverization device and ion exchange resin pulverization method

An ion exchange resin, pulverizing device technology, applied in chemical instruments and methods, mixers with rotary stirring devices, transportation and packaging, etc., can solve problems such as disadvantages, increased surface and space requirements, spherical resin mixing, etc. space saving effect

Active Publication Date: 2016-12-28
WESTINGHOUSE ELECTRIC GERMANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In addition, this cyclic operation has the disadvantages that it may lead to a mixture of already ground and unground spherical resins, or to material that has already passed through the grinder several times and that has only passed through the corundum grinder in the first grinding step the mix of
Such mixing results in long cycles necessary to achieve the desired particle size distribution or to ensure that each particle passes through the mill at least once
Furthermore, the mentioned solution requires the use of two tanks, thus disadvantageously increasing the contaminated surface and space requirements

Method used

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  • Ion exchange resin pulverization device and ion exchange resin pulverization method

Examples

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Embodiment Construction

[0042] attached figure 1 A schematic diagram of an exemplary ion exchange resin pulverization apparatus 10 is shown. The jar 12 is filled with the ion exchange resin suspension 14 , wherein the level of filling is indicated by the line identified by the reference numeral 32 . The jar 12 is made of high quality steel and has a filling capacity of eg 800L or significantly more. The top area of ​​the jar is implemented as a hollow cylinder, while the bottom area tapers into a funnel-like outlet. Of course, an embodiment without such tapering is also possible. An ion exchange resin suspension inlet 30 is provided in the region above the tank, which inlet can be closed by means of a second shut-off valve 28 . It is of course also possible to provide multiple inlet valves so that the final suspension is formed only in the tank 12 .

[0043] A stirring device 16 extends into the tank 12 from the upper middle, which is driven by a drive 18 on the outside. The stirring device 16 k...

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Abstract

The present invention relates to a crushing device (10) of ion exchange resin, which device has a tank (12) for holding water-containing ion exchange resin suspension (14), a stirring device (16) arranged in the tank (12) , a grinding device (20) arranged outside the tank (12) and a pump device (22) for transporting the aqueous ion exchange resin suspension (14) from the tank (12) to the grinding device (20). A pre-crushing device (24) is arranged in the jar (12). The present invention also relates to a method for crushing ion exchange resins using the ion exchange resin crushing device according to the present invention.

Description

technical field [0001] The invention relates to an ion exchange resin pulverizing device, which has a tank for accommodating an aqueous ion exchange resin suspension, a stirring device arranged in the tank, a grinding device arranged outside the tank, and a The exchange resin suspension is transported from the tank to the pump unit of the grinding unit. Background technique [0002] The use of ion exchange resins for purification of water or sewage is known in conventional power plants and nuclear technology installations as well as in power plants. Especially in the field of nuclear technology, radioactive ion exchange resins have to be disposed of and cleaned up at high cost. In this case methods such as drainage, dewatering or curing in an adhesive base are often used. Spherical ion exchange resins are either processed directly or milled prior to application of these methods. At this point a grinder such as a corundum disc grinder can be put into use. The ion exchange...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21F9/30B01F7/18B01F13/10G21F9/12
CPCG21F9/12G21F9/30G21F9/304B01F27/90B01F33/833B01F33/83613
Inventor 海宁·费尔曼丹尼尔·许策
Owner WESTINGHOUSE ELECTRIC GERMANY
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