CN216457405U - Nuclear power plant filter steel structure module - Google Patents
Nuclear power plant filter steel structure module Download PDFInfo
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- CN216457405U CN216457405U CN202121940386.6U CN202121940386U CN216457405U CN 216457405 U CN216457405 U CN 216457405U CN 202121940386 U CN202121940386 U CN 202121940386U CN 216457405 U CN216457405 U CN 216457405U
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Abstract
The utility model relates to the technical field of filters in nuclear power plants, in particular to a steel structure module of a filter in a nuclear power plant, which comprises a filter, wherein the filter comprises a filter shell; a filter element embedded in the filter shell; an exhaust port, an upper inlet of the filter and a lower outlet of the filter which are arranged on the filter shell; the flange structure is arranged at the top of the filter shell and is characterized by also comprising a steel structure for accommodating the filter; the installation skirt at the top of the steel structure is used for being clamped and embedded in the opening of the floor slab or the steel platform. Compared with the prior art, the utility model has modular design; the installation is simple; the steel structure module is prefabricated in a factory in advance, can be developed in parallel with the construction of objects in the factory building, and has short construction period; the retirement is convenient; the steel shell has the functions of shielding and supporting; the housing pockets may be adapted for mounting of the same type of filter.
Description
Technical Field
The utility model relates to the technical field of filters of nuclear power plants, in particular to a steel structure module of a filter of a nuclear power plant.
Background
The nuclear power plant filter is generally installed at the upstream or downstream of a resin bed and used for intercepting active carbon in the resin bed or impurities in a filter medium, and plays a role in guaranteeing the normal function of the resin bed through the filtering function of the filter, so that the normal operation of a system is guaranteed. The system is mainly applied to systems of nuclear power plant chemistry and volume control, spent fuel pool cooling, radioactive waste liquid treatment and the like, and can be subjected to periodic replacement and decommissioning under the condition of high radioactivity.
The traditional installation mode is generally that the equipment is supported and fixed through equipment or connected with a filter through a pre-buried structure in a floor slab so as to complete equipment installation. These mounting methods all have certain limitations, lead to the filter integral erection, filter core change, have a great deal of inconvenience in aspects such as retirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and through the modularized design, the factory prefabrication is realized, meanwhile, the functions of the filter, the operation and maintenance requirements and the construction quality improvement are considered, and the design which is more convenient for the functions of shielding, installation, filter element replacement, decommissioning and the like is formed.
In order to achieve the purpose, the nuclear power plant filter steel structure module comprises a filter, wherein the filter comprises a filter shell; a filter element embedded in the filter shell; an exhaust port, an upper inlet of the filter and a lower outlet of the filter which are arranged on the filter shell; the flange structure is arranged at the top of the filter shell and is characterized by also comprising a steel structure for accommodating the filter;
-the steel structure comprises:
the top of the shell is provided with an opening and made of steel, and the shell is used for accommodating the filter;
the movable cover plate is covered at the opening and used for opening or closing the opening of the shell;
the lifting ring is arranged on the upper surface of the movable cover plate and used for lifting the movable cover plate;
the installation skirt seat is arranged on the periphery of the movable cover plate, forms a right angle with the outer wall of the shell and is used for being embedded in the opening of the floor slab or the steel platform in a clamping mode;
an exhaust pipe hole, an upper filter inlet pipe hole and a lower filter outlet pipe hole which are arranged on the side wall of the shell;
a plurality of filter support tube sleeves with one end fixed on the inner wall of the shell and arranged transversely;
-the filter further comprises:
the filter supporting tubes are transversely arranged and have the same number as the filter supporting tube sleeves, one ends of the filter supporting tubes are fixed on the filter shell, and the other ends of the filter supporting tubes are embedded in the filter supporting tube sleeves at the corresponding positions of the steel structure;
one end of the exhaust port extension pipe is connected with an exhaust port on the filter shell, and the other end of the exhaust port extension pipe is embedded in the exhaust pipe hole of the steel structure;
one end of the filter upper inlet extension pipe is connected with a filter upper inlet on the filter shell, and the other end of the filter upper inlet extension pipe is embedded in the steel structure filter upper inlet pipe hole;
and one end of the filter lower outlet extension pipe is connected with a filter lower outlet on the filter shell, and the other end of the filter lower outlet extension pipe is embedded in the filter lower outlet pipe hole of the steel structure.
Furthermore, at least one symmetrical side of the inner wall of the shell close to the upper part is provided with a shelf, the movable cover plate is placed on the shelf, and the distance between the shelves on the symmetrical sides is larger than the outer diameter of the flange structure.
Furthermore, the upper surface of removable cover flushes with the upper surface of installation skirt, reserves the screw hole on the installation skirt, and the screw that is used for hoist and mount usefulness is assembled in the screw hole.
Furthermore, the circle center of the exhaust port, the circle center of the upper inlet of the filter and the circle center of the lower outlet of the filter are positioned on the same vertical line.
Furthermore, the exhaust pipe hole, the upper filter inlet pipe hole and the lower filter outlet pipe hole are sequentially arranged on the side wall of the shell from top to bottom.
Furthermore, the filter support tube sleeves at least comprise 2 filter support tube sleeves arranged on the symmetrical sides, and the included angles between the 2 filter support tube sleeves and the inlet tube holes on the filter are right angles.
Furthermore, a 3 rd filter supporting pipe sleeve is further arranged on the inner wall of the shell positioned on the symmetrical side of the inlet pipe hole on the filter.
Furthermore, the filter supporting tube sleeve and the filter supporting tube are square tubes respectively.
Furthermore, a plurality of preformed holes plugged by adopting a plug are also arranged on the shell.
Furthermore, filter lifting lugs are respectively arranged on the outer walls of the symmetrical sides of the filter shell between the exhaust port and the upper inlet of the filter.
Compared with the prior art, the utility model has modular design; the installation is simple; the steel structure module is prefabricated in a factory in advance, can be developed in parallel with the construction of objects in the factory building, and has short construction period; the retirement is convenient; the steel shell has the functions of shielding and supporting; the housing pockets may be adapted for mounting of the same type of filter.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the filter of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
FIG. 4 is a schematic sectional view of the steel structure of the present invention assembled in the opening of the steel platform.
Fig. 5 is a schematic sectional view showing the steel structure of the present invention assembled in the opening of the floor slab.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 5, a steel structure module of a nuclear power plant filter includes a filter including a filter housing 9-1; a filter element 9-2 embedded in the filter housing 9-1; an exhaust port, an upper inlet of the filter and a lower outlet of the filter which are arranged on the filter shell 9-1; the flange structure 9-6 is arranged at the top of the filter shell 9-1, and the circle center of the exhaust port, the circle center of the upper inlet of the filter and the circle center of the lower outlet of the filter are positioned on the same vertical line in the embodiment; -the steel structure comprises:
a steel casing 1 with an opening at the top for accommodating the filter; the shielding material has a certain thickness, and can shield the increase of radiation dose caused by the accumulation of radioactive substances during the operation of a power plant;
the movable cover plate 2 is covered at the opening and is used for opening or closing the opening of the shell 1, is convenient to open, can be used as a filter element replacing opening and provides convenience for replacing the filter element at regular intervals; in the embodiment, at least one symmetrical side of the inner wall of the shell 1 near the upper part is provided with a shelf 1-3, the movable cover plate 2 is placed on the shelf 1-3 to form a covering state, and the upper surface of the movable cover plate 2 is flush with the upper surface of the installation skirt 3 after covering; the space between the shelves 1-3 on the symmetrical sides is larger than the outer diameter of the flange structure 9-6 so as to meet the replacement of a filter element of the filter;
the hoisting ring 5 is arranged on the upper surface of the movable cover plate 2 and is used for hoisting the movable cover plate 2;
the installation skirt bases 3 are arranged on the periphery of the movable cover plate 2, form right angles with the outer wall of the shell 1 and are used for being clamped and embedded in the openings of the floor slab 12 or the steel platform 11; the whole steel structure module is provided with the installation skirt 3 at the opening of the floor slab or the steel structure through the concave-down design at the opening, so that the top elevation is ensured to be flush with the floor slab 12 or the steel platform 11, personnel passing and equipment transportation are not affected, and the subsequent filter element replacement operation is favorably carried out; threaded holes can be reserved in the installation skirt bases 3, screws are installed, and the whole module can be hoisted through the screws;
the exhaust pipe holes 1-23, the filter upper inlet pipe holes 1-21 and the filter lower outlet pipe holes 1-22 are arranged on the side wall of the shell 1 from top to bottom in sequence;
a plurality of filter support tube sleeves 1-1 which are transversely arranged and one end of which is fixed on the inner wall of the shell 1; -the filter further comprises:
a plurality of filter supporting tubes 6 which are transversely arranged and have the same number as the filter supporting tube sleeves 1-1, one end of each filter supporting tube 6 is fixed on the filter shell 9-1, the other end of each filter supporting tube 6 is embedded in the filter supporting tube sleeve 1-1 at the corresponding position of the steel structure, and the whole filter is fixed in the steel structure by embedding the filter supporting tubes 6 in the filter supporting tube sleeves 1-1;
one end of the exhaust port extension pipe 9-3 is connected with an exhaust port on the filter shell 9-1, and the other end of the exhaust port extension pipe is embedded in an exhaust pipe hole 1-23 of the steel structure;
the upper filter inlet extension pipe 9-4 is connected with the upper filter inlet pipe on the filter shell 9-1 at one end, and is embedded in the inlet pipe hole 1-21 on the filter with the steel structure at the other end;
one end of the filter lower outlet extension pipe 9-5 is connected with a filter lower outlet on the filter shell 9-1, and the other end of the filter lower outlet extension pipe is embedded in a filter lower outlet pipe hole 1-22 of the steel structure.
Furthermore, the filter support tube sleeves 1-1 at least comprise 2 filter support tube sleeves arranged on the symmetrical sides, and the included angles between the 2 filter support tube sleeves 1-1 and the inlet tube holes 1-21 on the filter are right angles.
Furthermore, the 3 rd filter support tube sleeve 1-1 is also arranged on the inner wall of the shell 1 which is positioned on the symmetrical side of the inlet tube hole 1-21 on the filter, so that the assembly of the filter is more stable.
Further, the filter support tube sleeve 1-1 and the filter support tube 6 are square tubes respectively.
Furthermore, a plurality of preformed holes 10 plugged by adopting a plug are also arranged on the shell 1.
Furthermore, filter lifting lugs 8 are respectively arranged on the outer walls of the symmetrical sides of the filter shell 9-1 between the exhaust port and the upper inlet of the filter, so that the filter can be conveniently taken and placed.
Claims (10)
1. A nuclear power plant filter steel structural module comprising a filter including a filter housing (9-1); a filter element (9-2) embedded in the filter shell (9-1); an exhaust port, a filter upper inlet and a filter lower outlet which are arranged on the filter shell (9-1); the flange structure (9-6) is arranged at the top of the filter shell (9-1) and is characterized by also comprising a steel structure for accommodating the filter;
-the steel structure comprises:
the top of the shell is provided with an open and steel shell (1) for accommodating the filter;
the movable cover plate (2) is covered at the opening and is used for opening or closing the opening of the shell (1);
the hoisting ring (5) is arranged on the upper surface of the movable cover plate (2) and is used for hoisting the movable cover plate (2);
the installation skirt bases (3) are arranged on the periphery of the movable cover plate (2) and form right angles with the outer wall of the shell (1) and are used for being clamped and embedded at the openings of the floor (12) or the steel platform (11);
exhaust pipe holes (1-23) arranged on the side wall of the shell (1), inlet pipe holes (1-21) on the filter and outlet pipe holes (1-22) under the filter;
a plurality of filter support tube sleeves (1-1) which are transversely arranged and one end of which is fixed on the inner wall of the shell (1);
-the filter further comprises:
a plurality of filter supporting tubes (6) which are consistent with the number of the filter supporting tube sleeves (1-1) and are transversely arranged, wherein one end of each filter supporting tube (6) is fixed on the filter shell (9-1), and the other end of each filter supporting tube is embedded in the filter supporting tube sleeve (1-1) at the corresponding position of the steel structure;
one end of the exhaust port extension pipe (9-3) is connected with an exhaust port on the filter shell (9-1), and the other end of the exhaust port extension pipe is embedded in the exhaust pipe hole (1-23) of the steel structure;
an upper filter inlet extension pipe (9-4), one end of which is connected with an upper filter inlet on the filter shell (9-1), and the other end of which is embedded in an upper filter inlet pipe hole (1-21) of the steel structure;
and one end of the filter lower outlet extension pipe (9-5) is connected with a filter lower outlet on the filter shell (9-1), and the other end of the filter lower outlet extension pipe is embedded in a filter lower outlet pipe hole (1-22) of the steel structure.
2. The nuclear power plant filter steel structural module of claim 1, wherein: shelves (1-3) are arranged on at least one symmetrical side of the upper part of the inner wall of the shell (1), the movable cover plate (2) is placed on the shelves (1-3), and the distance between the shelves (1-3) on the symmetrical sides is larger than the outer diameter of the flange structure (9-6).
3. A nuclear power plant filter steel structural module according to claim 2, characterized in that the upper surface of the removable cover plate (2) is flush with the upper surface of the mounting skirt (3); threaded holes are reserved in the installation skirt bases (3), and screws for hoisting are assembled in the threaded holes.
4. The steel structural module of a nuclear power plant filter as recited in claim 1, wherein the center of the exhaust port, the center of the inlet of the filter, and the center of the outlet of the filter are located on a same vertical line.
5. The steel structure module of the nuclear power plant filter according to claim 1, characterized in that the exhaust pipe holes (1-23), the upper inlet pipe holes (1-21) of the filter and the lower outlet pipe holes (1-22) of the filter are sequentially arranged on the side wall of the shell (1) from top to bottom.
6. A steel structural module for a nuclear power plant filter according to claim 1, characterized in that the filter support tube sleeves (1-1) include at least 2 filter support tube sleeves (1-1) arranged at symmetrical sides, and the included angles between the 2 filter support tube sleeves (1-1) and the inlet tube holes (1-21) on the filter are right angles.
7. A steel structural module of a nuclear power plant filter according to claim 6, characterized in that the 3 rd filter support pipe sleeve (1-1) is further provided on the inner wall of the housing (1) on the symmetrical side of the inlet pipe hole (1-21) of the filter.
8. The steel structural module of the nuclear power plant filter, according to claim 1, characterized in that the filter support tube sleeve (1-1) and the filter support tube (6) are square tubes.
9. A nuclear power plant filter steel structural module according to claim 1, characterized in that the housing (1) is further provided with a plurality of prepared holes (10) plugged by plugs.
10. A steel structural module for a nuclear power plant filter according to claim 1, characterized in that filter lugs (8) are respectively provided on the outer walls of the symmetrical sides of the filter housing (9-1) between the exhaust port and the inlet port of the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121940386.6U CN216457405U (en) | 2021-08-18 | 2021-08-18 | Nuclear power plant filter steel structure module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121940386.6U CN216457405U (en) | 2021-08-18 | 2021-08-18 | Nuclear power plant filter steel structure module |
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| Publication Number | Publication Date |
|---|---|
| CN216457405U true CN216457405U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121940386.6U Active CN216457405U (en) | 2021-08-18 | 2021-08-18 | Nuclear power plant filter steel structure module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546470A (en) * | 2021-08-18 | 2021-10-26 | 上海核工程研究设计院有限公司 | Nuclear power plant filter steel structure module |
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2021
- 2021-08-18 CN CN202121940386.6U patent/CN216457405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546470A (en) * | 2021-08-18 | 2021-10-26 | 上海核工程研究设计院有限公司 | Nuclear power plant filter steel structure module |
| CN113546470B (en) * | 2021-08-18 | 2024-06-18 | 上海核工程研究设计院股份有限公司 | Nuclear power plant filter steel structure module |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: National Nuclear demonstration power plant Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: National Nuclear demonstration power plant Co.,Ltd. |