CN203118516U - Stacking structure for package container of radioactive wet solid wastes - Google Patents
Stacking structure for package container of radioactive wet solid wastes Download PDFInfo
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- CN203118516U CN203118516U CN 201220655358 CN201220655358U CN203118516U CN 203118516 U CN203118516 U CN 203118516U CN 201220655358 CN201220655358 CN 201220655358 CN 201220655358 U CN201220655358 U CN 201220655358U CN 203118516 U CN203118516 U CN 203118516U
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Abstract
The utility model discloses a stacking structure for a package container of radioactive wet solid wastes, which comprises high whole containers and metal barrels, which are arranged in a solid waste treating cell in a mixing mode, wherein the metal barrels stacked in two layers are arranged around each high whole container, and at least two rows of the metal barrels are spaced between two horizontally adjacent high whole containers. Compared with the prior art, the stacking structure for the package container of the radioactive wet solid wastes has the advantage of realizing the comprehensive treating of different waste package containers in a field on the basis of meeting the treating safety and economy of the high whole containers as the high whole containers and the metal barrels are stacked in a mixing mode at interval.
Description
Technical field
The utility model relates to nuclear power plant Waste disposal field, relates in particular to the stacked structure of the wet solid waste packing container of a kind of radioactivity.
Background technology
At present, domestic nuclear power plant mainly is to adopt the cement solidification technology on the wet Solid Waste Treatment of radioactivity, refuse after this technology will be handled is contained in the 400L metal drum, and this waste packaging container has stronger mechanical property, can produce any decomposition gas hardly in firming body and the fixed body.In order to improve the capacity utilization of disposal site cell, solidified cement body and fixed body waste packaging container adopt the mode of vertical pile or horizontal pile to dispose when disposing usually, carry out capping again and handle after the disposal unit lattice are filled.
Owing to be a kind of increase-volume technology on the cement solidification technological essence, be unfavorable for minimizing of refuse, domestic relevant nuclear power plant introduces high whole container (HIC from the U.S. for this reason, High Integrity Container) technology cooperates with the cement solidification technology the wet solid waste of nuclear power plant's radioactivity is handled.Relative cement solidification technology, high whole container technology need not wet solid waste is cured, but the solid waste that directly will wet is packed in the high whole container, therefore can not cause handling the increase of back refuse volume, can effectively realize minimizing of the wet solid waste of nuclear power plant, be conducive to Environmental security.
High whole container is different with solidified cement body and fixed body, it is to be processed by polythene material, self only can bear mechanical strength to a certain degree, the radioactive waste irradiation of interior dress can reduce high whole container mechanical property, high whole container contents also can produce waste gas because irradiation decomposes, these problems have determined high whole container disposal technology and solidified cement body disposal technology different, can't use also that the solid waste disposal technology of design is disposed based on disposing solidified cement body and fixed body waste packaging container (being the 400L metal drum).Because the high whole container of crosslinked polyethylene need guarantee that when disposal site is disposed its structure has the integrality in 300 years and effective containing of radioactive nuclide, make in the high whole container radioactivity concentration of main long period nuclides Sr-90 and Cs-137 in the wet solid waste after 300 years, be reduced to per mille when beginning to dispose, reach the requirement of security level, therefore dispose for the long-term safety of the whole container of height, need to solve following problem: 1) high whole container cumulative absorbed dose limit value during disposing in 300 years is 1 * 10
6Gy, cause its long-term integrity to lose efficacy to avoid irradiation to cause the reduction of high whole container mechanical property: for limiting the irradiation absorbed dose of high whole container, in the wet Solid Waste Treatment stage of radioactivity, by the irradiation influence of the wet solid waste of correlation technique control to the whole container of height, and dispose the stage at radioactive solid waste, because high whole container does not have the irradiation function of shielding, and the content radioactivity is stronger, so should reduce between high whole container irradiation to the contribution of the cumulative absorbed dose of the whole container of height as far as possible; 2) high whole container only has limited compressive strength, should avoid external loads to surpass the compressive strength of high whole container top in disposal, causes the inefficacy of high whole container integrity; Therefore 3) high whole container contents (as spent resin) is subjected to the influence of radioactive nuclide irradiation, can decomposite waste gas, when the whole container of height is disposed, needs to solve the exhaust gas discharging problem, prevents that high whole container inner pressure is too high and causes high whole container breakage; 4) low, in put the solid waste disposal field and need dispose the dissimilar waste packaging container that nuclear power plant produces, therefore when improving disposal site cell capacity utilization, also need consider the joint disposal of two kinds of different waste packing containers as a whole.
In view of this, necessaryly provide a kind of technology of can safety economy ground the whole container of height and metal drum being carried out joint disposal.
The utility model content
The purpose of this utility model is: provide a kind of wet solid waste packing container stacked structure of radioactivity that can carry out joint disposal to the whole container of height and metal drum, to realize security and the economy of Waste disposal.
To achieve these goals, a kind of radioactivity that provides the utility model solid waste packing container stacked structure that wets, it comprises high whole container and the metal drum that is mixed in the solid waste disposal cell, be furnished with and pile up two-layer metal drum around each high whole container, be separated with two row's metal drums between at least between two high whole containers that level is adjacent.
A kind of improvement as the wet solid waste packing container stacked structure of the utility model radioactivity, the metal drum at interval is two rows between two high whole containers that described level is adjacent, each two outer side edges disposing cell is all horizontally disposed respectively three row's metal drums, and two inner side edges are then all horizontally disposed respectively two row's metal drums.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, leave the gap of placing concrete between adjacent two metal drums of described level.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, described metal drum is the 400L metal drum, and the gap between adjacent two metal drums of level is 30mm.
A kind of improvement as the wet solid waste packing container stacked structure of the utility model radioactivity, the whole container of described height and metal drum are that vertical pile is arranged in the disposal unit lattice, each is disposed cell and is furnished with an above handles layer, and the metal drum of each handles layer is that two-layer, high whole container is one deck.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, the top of described each high whole container all is placed with concrete prefabricated board, and the total weight of concrete prefabricated board is born by the metal drum around the whole container of height.
A kind of improvement as the wet solid waste packing container stacked structure of the utility model radioactivity, all be reserved with certain free space between the concrete prefabricated board of described each high whole container and the metal drum that is adjacent, top, also be provided with the exhausr port of discharging for waste gas on each high whole container.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, described each handles layer of disposing in the cell is three layers, and adjacent disposal interlayer by concrete layer at interval.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, the whole container of described height is of a size of Ф 1550 * 1892mm; Metal drum is the 400L metal drum, is of a size of Ф 772 * 1080mm.
As a kind of improvement of the wet solid waste packing container stacked structure of the utility model radioactivity, the inside dimension of described disposal unit lattice is 25m * 25m * 8m, and bottom thickness is 650mm, and exterior wall thickness is 500mm.
Compared with prior art, the wet solid waste packing container stacked structure of the utility model radioactivity loads in mixture the whole container of height and metal drum by the mode of piling up at interval, on the basis of satisfying high whole container disposal security and economy, realized the joint disposal of different waste packing container in the disposal site.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the wet solid waste packing container stacked structure of the utility model radioactivity and useful technique effect thereof are elaborated, wherein:
Fig. 1 is the handles layer schematic top plan view of the wet solid waste packing container stacked structure of the utility model radioactivity.
Fig. 2 is the cross-sectional schematic of a disposal unit of the wet solid waste packing container stacked structure of the utility model radioactivity.
Fig. 3 is the adjacent waste packaging container enlarged diagram of the wet solid waste packing container stacked structure of the utility model radioactivity.
Fig. 4 is the process chart of the wet solid waste packing container stacked structure of the utility model radioactivity.
Embodiment
In order to make the purpose of this utility model, technical scheme and useful technique effect thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that the embodiment of describing in this instructions only is in order to explain the utility model, is not in order to limit the utility model.
According to design size, low, in put the solid waste disposal field disposal unit lattice inside dimension be 25m * 25m * 8m, its bottom thickness is 650mm, exterior wall thickness is 500mm, and the size of two kinds of waste packaging containers to be disposed is respectively: 1) high whole container (diameter * height): Ф 1550 * 1892mm; 2) 400L metal drum (diameter * height): Ф 772 * 1080mm.Through taking all factors into consideration, the utility model adopts around the whole container of height and arranges the 400L metal drum, and the mode of utilizing the 400L metal drum to surround high whole container is carried out vertical pile to two kinds of waste packaging containers and loaded in mixture.
See also Fig. 1, the wet solid waste packing container stacked structure of the utility model radioactivity comprises high whole container 20 and the 400L metal drum 30 that is mixed in the solid waste disposal cell 10, be furnished with 400L metal drum 30 around each high whole container 20, be separated with two row 400L metal drums 30 between between two high whole containers 20 that level is adjacent.Have that 30, two inner side edges of three row's 400L metal drums (be disposal unit lattice 10 side adjacent with other disposal unit lattice 10) are then horizontally disposed respectively two row 400L metal drums 30 in that each two outer side edges (being not adjacent with other disposal unit lattice 10 sides of disposal unit lattice 10) of disposing cell 10 is horizontally disposed respectively.
See also Fig. 2, the utility model all adopts vertical pile to arrange to the whole container 20 of height and 400L metal drum 30, because the height of high whole container 20 is nearly twices of 400L metal drum 30 height, therefore each 400L metal drum 30 of disposing each handles layer in the cell 10 is two-layer, and 20 in high whole container only is one deck.After two-layer 400L metal drum 30 piles around the whole container 20 of every floor height is adjacent finish, place certain thickness concrete prefabricated board 50 above the whole container 20 of height, four limits of this concrete prefabricated board 50 all are supported on the 400L metal drum 30 adjacent with the whole container of height 20.
See also Fig. 3, in order to guarantee the Stability Analysis of Structures of pile layer, need to leave certain interval (being 30mm shown in Fig. 3) between the adjacent 400L metal drum 30 of two levels, like this when high whole container 20 pile one decks carry out concrete casting, when forming self-leveling concrete layer 40, can fix it from flowing between the 400L metal drum 30 simultaneously concrete, thereby effectively prevent dropping of waste packaging container, avoid destroying the structural stability of arranging layer.
According to above-mentioned arrangement, each disposes cell 10 can arrange three handles layer (as shown in Figure 2), adjacent disposal interlayer by concrete layer (comprising concrete prefabricated board 50 and self-leveling concrete layer 40) at interval, each handles layer can be piled up 49 high whole containers and 1530 400L metal drums, thereby guarantees the capacity utilization of disposal unit lattice 10 effectively.
See also Fig. 4, the technological process of the wet solid waste packing container stacked structure of the utility model radioactivity may further comprise the steps:
1) according to above-mentioned interval stacking mode, high whole container 20 and 400L metal drum 30 are piled up in the corresponding position in disposal unit lattice 10;
2) whether the whole container 20 adjacent 400L metal drums 30 of judgement and single height are piled up full: expire if pile up, then carry out step; Otherwise continue to pile up, pile up full until the 400L metal drum 30 that links to each other with the whole container 20 of height;
3) above 400L metal drum 30 adjacent around the whole container 20 of height, place a block concrete prefabricated board 50;
4) judge whether the handles layer in the disposal unit lattice 10 has piled up full waste packaging container: full if handles layer is not also piled up, then continue pile waste packaging container; Otherwise carry out next step;
5) after handles layer was piled up and expired, placing concrete formed self-leveling concrete layer 40(as shown in Figure 2 on this handles layer);
6) treat concrete setting after, judge whether further pile waste packaging container: if three handles layer have all been piled up full waste packaging container in the disposal unit lattice 10, then carry out next step; Otherwise continue pile waste packaging container, pile up full until disposal unit lattice 10;
7) cell being carried out capping handles.
By above description as can be known, the wet solid waste packing container stacked structure of the utility model radioactivity has the following advantages:
The first, because dress solidified cement bodies in the 400L metal drum 30, so its field dose is lower (usually＜2mSv/h), is solid shield body preferably.The utility model is piled up the two-layer 400L metal drum 30 of two rows between per two high whole containers, the shielding action of 400L metal drum 30 can effectively reduce the irradiation influence of 20 in two high whole containers, effectively limits irradiation to the contribution of the whole container 20 accumulative total absorbed dose of height.Simultaneously, be furnished with the two-layer 400L metal drum 30 of three row's piles in the handles layer outer side edges of disposal unit lattice 10, can effectively reduce by 20 pairs of whole disposal site surrounding environment of high whole container and operating personnel's irradiation influence.
Second, the load on high whole container 20 tops is distributed on its adjacent 400L metal drum 30 by concrete prefabricated board 50, load is all born by 400L metal drum 30, high whole container 20 has effectively been avoided the influence of mechanical property owing to do not bear any extraneous load, be conducive to keep the long-term integrity of its structure.
The 3rd, high whole container 20 is contained in the space that the concrete prefabricated board 50 of the 400L metal drum 30 that is adjacent and top surrounds, owing to be reserved with certain free space in the space, therefore the waste gas that the solid waste irradiation-induced degradation that wets in the high whole container 20 produces, can enter in this part space by the exhausr port that arranges on the whole container 20 of height, thereby prevent the superpressure of high whole container 20, guarantee the integrality of its structure.
The 4th, consider the disposal requirement of current different IPs power plant refuse bag as a whole, by the load in mixture disposal of the whole container 20 of height with 400L metal drum 30, realized the diversity of Waste disposal, improved the plot ratio rate of disposal unit lattice 10.
In addition, consider present disposal site receive high whole container 20 amounts less, the many characteristics of 400L metal drum 30 amounts, the quantity of the high whole container of disposing when disposal site 20 hour, 400L metal drum 30 can be placed on the position that high whole container 20 is preset, to satisfy the disposal requirement of 400L metal drum 30 in enormous quantities, realize the dirigibility of Waste disposal.That is to say that in other embodiments, the 400L metal drum 30 at interval can be more than two rows between two high whole containers 20 that level is adjacent.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this instructions, these terms do not constitute any restriction to the utility model just for convenience of description.
Claims (10)
1. the wet solid waste packing container stacked structure of a radioactivity, it is characterized in that: comprise the high whole container and the metal drum that are mixed in the solid waste disposal cell, be furnished with and pile up two-layer metal drum around each high whole container, be separated with two row's metal drums between at least between two high whole containers that level is adjacent.
2. the wet solid waste packing container stacked structure of radioactivity according to claim 1, it is characterized in that: the metal drum at interval is two rows between two high whole containers that described level is adjacent, each two outer side edges disposing cell is all horizontally disposed respectively three row's metal drums, and two inner side edges are then all horizontally disposed respectively two row's metal drums.
3. the wet solid waste packing container stacked structure of radioactivity according to claim 1 is characterized in that: the gap of leaving placing concrete between adjacent two metal drums of described level.
4. the wet solid waste packing container stacked structure of radioactivity according to claim 3, it is characterized in that: described metal drum is the 400L metal drum, the gap between adjacent two metal drums of level is 30mm.
5. the wet solid waste packing container stacked structure of radioactivity according to claim 1, it is characterized in that: the whole container of described height and metal drum are arranged for vertical pile in the disposal unit lattice, each is disposed cell and is furnished with an above handles layer, and the metal drum of each handles layer is that two-layer, high whole container is one deck.
6. the wet solid waste packing container stacked structure of radioactivity according to claim 5, it is characterized in that: the top of described each high whole container all is placed with concrete prefabricated board, and the total weight of concrete prefabricated board is born by the metal drum around the whole container of height.
7. the wet solid waste packing container stacked structure of radioactivity according to claim 6, it is characterized in that: all be reserved with certain free space between the concrete prefabricated board of described each high whole container and the metal drum that is adjacent, top, also be provided with the exhausr port of discharging for waste gas on each high whole container.
8. the wet solid waste packing container stacked structure of radioactivity according to claim 5, it is characterized in that: described each handles layer of disposing in cell is three layers, and adjacent disposal interlayer by concrete layer at interval.
9. according to the wet solid waste packing container stacked structure of each described radioactivity in the claim 1 to 8, it is characterized in that: the whole container of described height is of a size of Ф 1550 * 1892mm; Metal drum is the 400L metal drum, is of a size of Ф 772 * 1080mm.
10. according to the wet solid waste packing container stacked structure of each described radioactivity in the claim 1 to 8, it is characterized in that: the inside dimension of described disposal unit lattice is 25m * 25m * 8m, and bottom thickness is 650mm, and exterior wall thickness is 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655358 CN203118516U (en) | 2012-12-03 | 2012-12-03 | Stacking structure for package container of radioactive wet solid wastes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655358 CN203118516U (en) | 2012-12-03 | 2012-12-03 | Stacking structure for package container of radioactive wet solid wastes |
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| CN203118516U true CN203118516U (en) | 2013-08-07 |
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| CN 201220655358 Expired - Lifetime CN203118516U (en) | 2012-12-03 | 2012-12-03 | Stacking structure for package container of radioactive wet solid wastes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971778A (en) * | 2014-05-06 | 2014-08-06 | 中广核工程有限公司 | Disposal unit and method for nuclear power plant radioactive wet solid waste packaging container |
-
2012
- 2012-12-03 CN CN 201220655358 patent/CN203118516U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971778A (en) * | 2014-05-06 | 2014-08-06 | 中广核工程有限公司 | Disposal unit and method for nuclear power plant radioactive wet solid waste packaging container |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
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| CX01 | Expiry of patent term |