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Spherical element sorting unit

A sorting device and spherical element technology, which is applied to reactor fuel elements, grading, solid separation, etc., can solve the problems of large ball jamming and small ball separation detection gap increase, so as to relieve the jamming and improve the sorting efficiency. Accuracy and the effect of improving sorting efficiency

Active Publication Date: 2012-06-27
CHINERGY CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese invention patent "Pebble Bed High-temperature Air-cooled Reactor Double-diameter Ball Breaking Ball Separator" with the notification number CN1327453C discloses a mechanical separation method for double-diameter balls using a discharge device. The sorting of spherical elements with a large diameter difference from φ35 is reliable, but for the case of spherical elements with little difference in diameter, such as φ60 high-enrichment fuel elements and φ58 low-enrichment elements, due to small balls The separation detection gap increases and is close to the diameter of the large ball, and the probability of large ball jamming at the small ball sorting position is high

Method used

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Experimental program
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Effect test

Embodiment 1

[0030] figure 1 and figure 2 Shows the sectional view and assembly view of the spherical component sorting device according to the first embodiment of the present invention, image 3 and Figure 4 The top views of the two detection orifice plates in the first embodiment of the present invention are respectively shown.

[0031] The sorting device of this embodiment includes two detection orifice plates and three ball outlet pipes, through which the first through hole 27 and the third through hole 36 in the two detection orifice plates cooperate, and the restriction and the dialing of the lining plates on both sides Under the action of the ball, the spherical elements of three sizes, large, medium and small, can be sorted out and discharged through the second ball outlet pipe 11, the third ball outlet pipe 17 and the first ball outlet pipe 14 respectively.

[0032] The spherical element sorting device consists of a driving part 18, a transmission part 19, a box body 6, an en...

Embodiment 2

[0049] Compared with the first embodiment, as Figure 7 The second embodiment shown deletes the third ball outlet pipe 17, and the third ball outlet channel 16 is correspondingly reduced on its casing 6, therefore, it can be used for sorting spherical elements of two sizes, and two sizes The components are respectively discharged through the first outlet pipe 11 and the second outlet pipe 14, and its working principle is the same as that of the first embodiment.

Embodiment 3

[0051] On the basis of Embodiment 1, the structure of this embodiment has the following changes: (1), the number of ball outlet pipes is reduced to one, and the number of ball outlet channels on the box body 6 is correspondingly reduced to one; (2), the first detection The first channel 33 of the orifice plate is no longer communicated with the second passage 35, but is cut off by 34. Correspondingly, the movement mode of the driving rod 10 is changed into a swing type by a rotary type; The axis of the tube 14 is no longer eccentric, but is located on the symmetric plane of the box body 6, so the driving lever 10 is an eccentric structural plate, and the clearance between the through hole 7 of the lower box body 6 can be used to ensure that the spherical element can be introduced into the hole of the detection orifice plate 8. The first channel guides the inclined surface 29 places.

[0052] Since there is only one ball outlet pipe, the third embodiment cannot independently so...

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Abstract

The invention belongs to the technical field of nuclear reactor devices, and particularly relates to a sorting unit for different sizes of spherical elements of a high-temperature gas cooled reactor of a pebble bed. The spherical element sorting unit comprises a box, a rotor, a lining plate, a first detecting pore plate, a sphere feeding tube and a first sphere discharging tube; the box is provided with a sphere feeding channel and a first sphere discharging channel which are communicated with the sphere feeding tube and the sphere discharging tube directly; a shifting plate is arranged on the rotor; the first detecting pore plate comprises a first pore channel and a second pore channel; the shifting plate and the two pore channels of the first detecting pore plate are all provided with guiding inclined surfaces; and the size of the first pore channel is smaller than that of a large sphere and larger than the sizes of a small sphere and a medium-sized sphere. The detecting pore plate is used for blocking the large spheres and qualified fuel spheres in the margin of tolerance, the rotor drives the shifting plate to rotate so as to push fuel elements blocked by the detecting pore plate, the large spheres, the qualified spheres and the small spheres are discharged through three sphere discharging channels respectively, so that the spherical element sorting efficiency and accuracy can be improved, and the sphere blocking phenomenon in the sorting process can be eliminated due to the arranged shifting plate.

Description

technical field [0001] The invention belongs to the technical field of nuclear reactor equipment, and in particular relates to a sorting device for spherical elements of different sizes in a pebble bed high-temperature gas-cooled reactor. Background technique [0002] For different purposes, pebble bed high-temperature gas-cooled reactors may use fuel elements and graphite elements of different sizes, such as the Chinese invention patent "Measurement method and device for dual-zone core interface of pebble bed high-temperature gas-cooled reactor" with the notification number CN1159726C Two kinds of diameter elements (ie, φ60 fuel element and φ35 graphite element) are used in it. In the initial transition cycle operation stage, it is also possible to use a high-enrichment fuel element with a diameter of φ60 and a low-enrichment fuel element with a diameter of φ58, so that the two fuel elements can be identified by size difference. [0003] The tolerance of spherical componen...

Claims

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Application Information

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IPC IPC(8): G21C19/02B07B13/04
CPCY02E30/30
Inventor 张海泉聂君锋李红克张作义王鑫刘继国吴宗鑫
Owner CHINERGY CO LTD
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