Homogenizing device of nuclear graphite powder for high temperature gas cooled reactor fuel element
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A technology for nuclear fuel elements and high-temperature gas-cooled reactors, which is applied in mixers with rotary stirring devices, transportation and packaging, and accessories for mixers, etc. The effect of mixing precision, clear division of labor and improving service life
Pending Publication Date: 2018-11-23
SINOSTEEL NEW MATERIAL ZHEJIANG
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[0005] The purpose of the present invention is to address the deficiencies of the prior art, by setting the internal circulation mechanism to cooperate with the external circulation mechanism, so that during the homogenization operation, in addition to the homogenization effect of the internal mixing component, the material passes through the external pipeline from the furnace outlet It enters the furnace body to realize the external large circulation, and then solves the dead angle of stirring. At the same time, materials with different specific gravity can be fully mixed, thus solving the dead angle that cannot be stirred during homogenization, and when homogenizing materials with different weights, light Materials are easy to float on the upper layer, resulting in technical problems of segregation
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Embodiment 1
[0048] Such as figure 1 Shown, a kind of homogenization device of nuclear graphite powder for high temperature gas-cooled reactor nuclear fuel element, comprises:
[0049] Material-bearing barrel 1, the upper end of said material-bearing barrel 1 is sealed;
[0050] The internal circulation mechanism 2, the internal circulation mechanism 2 is arranged above the material receiving bucket 1, which includes a furnace body 21, a mixing assembly 22 arranged in the furnace body 21 and centrally arranged, and a The dust removal assembly 23 arranged above and eccentrically, a discharge pipe is connected to the bottom of the furnace body 21, and the discharge pipe runs through the upper surface of the material receiving bucket 1 and communicates with the inside of the material receiving bucket 1; and
[0051] External circulation mechanism 3, the external circulation mechanism 3 is arranged on the outside of the internal circulation mechanism 2, it includes an external pipeline 31, on...
Embodiment 2
[0085] Components that are the same as or corresponding to those in the first embodiment use the reference numerals corresponding to those in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The difference between this embodiment two and embodiment one is:
[0086] further, such as figure 1 , Figure 6 As shown, the upper surface of the furnace body 21 is provided with a manhole 212, and a sampling port 213 is provided on its side wall.
[0087] In the example of this city, by setting the manhole 212 and supporting the use of fire extinguishers and mechanical breathing valves, it can not only avoid accidents caused by sudden overpressure or vacuum in the furnace body 21, which will damage the storage tank and cause accidents, but also It plays the role of safety fire prevention and protects the furnace body 21; in addition, by setting the sampling port 213, the grinding degree of the graphite powder can be ...
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Abstract
The invention relates to a homogenizing device of nuclear graphite powder for a high temperature gas cooled reactor fuel element. The homogenizing device comprises a material bearing barrel, an internal circulating mechanism and an external circulating mechanism, wherein the upper end of the material bearing barrel is sealed; the internal circulating mechanism is arranged above the material bearing barrel, and comprises a furnace body, a mixing device which is arranged in the central part of the furnace body and a dust removal assembly which is arranged above the furnace body and is eccentrically arranged; a material outlet pipe is arranged under the furnace body in a communicating way; the material outlet pipe penetrates through the upper surface of the material bearing barrel and is communicated with the inner part of the material bearing barrel; the external circulating mechanism is arranged at the outer side of the internal circulating mechanism, and comprises an outer pipeline; one end of the outer pipeline is communicated with the furnace body through a flange, and the other end of the outer pipeline penetrates through the upper surface of the material bearing barrel and is communicated with the inner part of the material bearing barrel; the flange is eccentrically arranged on the upper surface of the furnace body. According to the homogenizing device disclosed by the invention, the technical problem that a dead angle which cannot be stirred exists during homogenizing is solved.
Description
technical field [0001] The invention relates to the technical field of graphite manufacture, in particular to a homogenizing device for nuclear graphite powder used in high-temperature gas-cooled reactor nuclear fuel elements. Background technique [0002] With the rapid development of the global economy, the production of automobiles, aircraft and military supplies has increased sharply. With the continuous development of science and technology, graphite has the characteristics of large capacity and long life as a grease sealing material for military, aerospace, aviation and automobiles. [0003] The patent No. is that the patent document of CN205462250U discloses a kind of improved graphite powder reactor, comprises graphite powder reactor body, and the side wall thickness H of graphite powder reactor body is 12mm, and the bottom of graphite powder reactor body is provided with a plane bottom plate, The middle part of the flat bottom plate is provided with a discharge port...
Claims
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