CN203021341U - Skimming device for purifying the surface of reactor core pool - Google Patents
Skimming device for purifying the surface of reactor core pool Download PDFInfo
- Publication number
- CN203021341U CN203021341U CN 201220700468 CN201220700468U CN203021341U CN 203021341 U CN203021341 U CN 203021341U CN 201220700468 CN201220700468 CN 201220700468 CN 201220700468 U CN201220700468 U CN 201220700468U CN 203021341 U CN203021341 U CN 203021341U
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- CN
- China
- Prior art keywords
- floating drum
- water
- sway brace
- skimmer device
- buoys
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to the technical field of purification of water in a nuclear reactor core pool, and in particular relates to a skimming device for purifying the surface of the reactor core pool. The overall shape of the skimming device is triangular, and the skimming device is composed of inner buoys and outer buoys, wherein the relative position slippage between the inner buoys and the outer buoys is realized by mechanical support rods. The skimming device concretely comprises three inner buoys, three outer buoys and corresponding support structures. Under the buoyancy of the inner buoys and the outer buoys, the skimming device floats on the surface of the pool, an upper barrel body sinks into water, a suction pump pumps and filters the water through a suction bent pipe and discharges the water into the pool; the upper barrel body is of a center perforated cylindrical structure mounted at the center position of the skimming device, and a lower barrel body is of a center perforated cylindrical structure mounted on the lower part of the upper barrel body. A lower flange and a lower connection pipe vertically move along a waist hole guide slot, and when the skimming device is lifted out from the surface of the water by the upper flange, the water in the barrel body is discharged through waist holes; and the lower part of the lower connection pipe is connected with the suction bent pipe by a quick joint.
Description
Technical field
The utility model belongs to nuclear reactor water quality of pond purification techniques field, is specifically related to a kind of skimmer device for purifying surface, reactor core pond.
Background technology
Reactor core pond surface skimmer device is mainly that the water quality to the reactor core pond purifies during reactor reloading pattern, improves degree of cleaning and the transparency in reactor core pond, is one of guaranteed conditions of carrying out smoothly of core unloading and loading operation.During the Nuclear power plants refueling outage, before core unloading/charging, floating skimmer to be installed above the reactor core pond, original equipment comprises upper body and lower body, adopt rubber coating to realize the relative changing of the relative positions of up and down body, to guarantee whole stability on the water surface, volume and weight is larger, needs to use the ring of nuclear island to lift up into the row installation, and each overhaul need to take ring and hang about 3 hours.To install above the pond because of this equipment, have foreign matter and personnel to fall into the risk of pond, personnel's contamination.In addition, equipment in use needs to add balancing weight, adjusts the underwater penetration of skimmer device.
Therefore, for reducing the time of overhaul critical path, need the refining plant that designs and make a kind of reactor core pond badly, thereby address the above problem.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of skimmer device for purifying surface, reactor core pond is provided, thereby avoid in operating process foreign matter and personnel to fall into the risk that stain in pond, personnel, simultaneously, save the interpolation of balancing weight in the use procedure of equipment, reduce operation easier, improve operation efficiency.
In order to realize this purpose, the technical scheme that the utility model is taked is:
A kind of skimmer device for purifying surface, reactor core pond, the skimmer device monnolithic case is triangular in shape, adopts inside and outside spar structures, realizes the relative position changing of the relative positions by the mechanical support bar between inside and outside floating drum; Specifically comprise with lower device:
Three outer floating drums and three interior floating drums and corresponding supporting structure; Under the skimmer device buoyancy that floating drum and interior floating drum provide outside, float on the surface, pond, upper shell sinks under the water, and suction pump is extracted water out by the suction bend pipe and entered the pond after filtering;
Upper shell is mounted in the cylindrical structure of the through of skimmer device central position, in the upper shell bottom, groove is set, and lower shell is arranged on the cylindrical structure of the through of upper shell bottom, is connected by groove and upper shell;
Interior floating drum sway brace is to comprise horizontal component and the vertical L shaped structure of part, and upper shell is fixedly connected with the horizontal component of interior floating drum sway brace, and interior floating drum is arranged on interior floating drum sway brace vertically on partly threaded rod, fixes by the wing nut on threaded rod top; Lower shell and lower flange are welded to connect, and vacuum breaker is installed on lower flange, and flange is installed on vacuum breaker top, is locked by bolt and box nut; Lower linking tube top has oval hole, and wherein two oval holes are connected with lower flange by trip bolt.Lower flange and lower linking tube move up and down along oval hole guide path, when by upper flange, skimmer device being left the water, from the oval hole, the water in cylindrical shell are discharged; The bottom of lower linking tube is connected with the suction bend pipe via rapid-acting coupling, and in when dismounting, after body was left the water, with the rapid-acting coupling separation, skimmer namely separated with the suction filtration system; Outer floating drum is arranged on outer floating drum sway brace, is locked by the setting nut that is arranged on outer floating drum bottom.One end of outer floating drum sway brace connects outer floating drum, and the other end is welded on lower linking tube; The horizontal component of interior floating drum sway brace connects by bearing pin with outer floating drum sway brace, moves up and down by bearing pin between the horizontal component of outer floating drum sway brace and interior floating drum sway brace.
Further, a kind of skimmer device for purifying surface, reactor core pond as above, wherein: the whole thin-wall part that adopts of skimmer device, wall thickness is 2～3mm.
Further, a kind of skimmer device for purifying surface, reactor core pond as above, wherein: the whole thin-wall part that adopts of skimmer device, wall thickness is 3mm.
Further, a kind of skimmer device for purifying surface, reactor core pond as above, wherein: outer floating drum is four/three cylinders barrel structure, interior floating drum 3 is ladder structures.
This utility model has guaranteed that not only skimmer device water inlet area is consistent with original equipment water inlet area, and reduced the volume and weight of equipment, pass through lifting rod, two personnel can complete on the bank, pond the installation and removal of skimmer device, do not need to use ring to hang, reduce the duration of overhaul critical path.Simultaneously, inside and outside floating drum can be adjusted by adjusting bolt with respect to the position of body, does not need to increase and decrease balancing weight, can guarantee the underwater penetration of skimmer device.
Description of drawings
Fig. 1 is the front view of a kind of skimmer device for purifying surface, reactor core pond of the utility model;
Fig. 2 is the vertical view of a kind of skimmer device for purifying surface, reactor core pond of the utility model.
In figure: the outer floating drum of 1-; The 2-nut; Floating drum in 3-; 4 pull bars; The 5-upper flange; The 6-wing nut; The 7-upper shell; The 8-vacuum breaker; The 9-bolt; The 10-lower flange; The 11-box nut; The 12-joint; 13-aspirates bend pipe; The 14-lower shell; The outer floating drum sway brace of 15-; The 16-bearing pin; Floating drum sway brace in 17-; The 18-setting nut; The 19-trip bolt; The 20-lower linking tube.
Embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are elaborated.
As depicted in figs. 1 and 2, a kind of skimmer device for purifying surface, reactor core pond of the utility model, monnolithic case is triangular in shape, adopts inside and outside spar structures, realizes the relative position changing of the relative positions by the mechanical support bar between inside and outside floating drum; The whole thin-wall part that adopts of skimmer device, wall thickness is 2～3mm.Can be preferably wall thickness 3mm.
The utility model specifically comprises with lower device:
Three outer floating drums 1 and three interior floating drums 3 and corresponding supporting structure; Under the skimmer device buoyancy that floating drum 1 and interior floating drum 3 provide outside, float on the surface, pond, upper shell 7 sinks under the water, and suction pump is extracted water out by suction bend pipe 13 and entered the pond after filtering; Wherein, outer floating drum 1 is four/three cylinders barrel structure, and interior floating drum 3 is ladder structures.
Interior floating drum sway brace 17 is the L shaped structures that comprise horizontal component and vertical part, upper shell 7 is fixedly connected with the horizontal component of interior floating drum sway brace 17, interior floating drum 3 is arranged on interior floating drum sway brace 17 vertically on the threaded rod of part, and is fixing by the wing nut 6 on threaded rod top; Lower shell 14 is welded to connect with lower flange 10, and vacuum breaker 8 is installed on lower flange, and flange 5 is installed on vacuum breaker top, is locked by bolt 9 and box nut 11; Lower linking tube 20 tops have 4 oval holes, and wherein two oval holes are connected with lower flange by trip bolt 19.Lower flange 19 and lower linking tube 20 move up and down along oval hole guide path, when by upper flange 5, skimmer device being left the water, from the oval hole, the water in cylindrical shell are discharged; The bottom of lower linking tube 20 is connected with suction bend pipe 13 via rapid-acting coupling 12, and in when dismounting, after body was left the water, with rapid-acting coupling 12 separation, skimmer namely separated with the suction filtration system; Outer floating drum 1 is arranged on outer floating drum sway brace 15, is locked by the setting nut 18 that is arranged on outer floating drum 1 bottom.One end of outer floating drum sway brace 15 connects outer floating drum 1, and the other end is welded on lower linking tube 20; The horizontal component of interior floating drum sway brace 17 connects by bearing pin 16 with outer floating drum sway brace 15, moves up and down by bearing pin 16 between the horizontal component of outer floating drum sway brace 15 and interior floating drum sway brace 17.
Claims (4)
1. skimmer device that be used for to purify surface, reactor core pond, it is characterized in that: the skimmer device monnolithic case is triangular in shape, adopts inside and outside spar structures, realizes the relative position changing of the relative positions by the mechanical support bar between inside and outside floating drum; Specifically comprise with lower device:
Three outer floating drums and three interior floating drums and corresponding supporting structure; Under the skimmer device buoyancy that floating drum and interior floating drum provide outside, float on the surface, pond, upper shell sinks under the water, and suction pump is extracted water out by the suction bend pipe and entered the pond after filtering;
Upper shell is mounted in the cylindrical structure of the through of skimmer device central position, in the upper shell bottom, groove is set, and lower shell is arranged on the cylindrical structure of the through of upper shell bottom, is connected by groove and upper shell;
Interior floating drum sway brace is to comprise horizontal component and the vertical L shaped structure of part, and upper shell is fixedly connected with the horizontal component of interior floating drum sway brace, and interior floating drum is arranged on interior floating drum sway brace vertically on partly threaded rod, fixes by the wing nut on threaded rod top; Lower shell and lower flange are welded to connect, and vacuum breaker is installed on lower flange, and flange is installed on vacuum breaker top, is locked by bolt and box nut; Lower linking tube top has 4 oval holes, and wherein two oval holes are connected with lower flange by trip bolt; Lower flange and lower linking tube move up and down along oval hole guide path, when by upper flange, skimmer device being left the water, from the oval hole, the water in cylindrical shell are discharged; The bottom of lower linking tube is connected with the suction bend pipe via rapid-acting coupling, and in when dismounting, after body was left the water, with the rapid-acting coupling separation, skimmer namely separated with the suction filtration system; Outer floating drum is arranged on outer floating drum sway brace, is locked by the setting nut that is arranged on outer floating drum bottom; One end of outer floating drum sway brace connects outer floating drum, and the other end is welded on lower linking tube; The horizontal component of interior floating drum sway brace connects by bearing pin with outer floating drum sway brace, moves up and down by bearing pin between the horizontal component of outer floating drum sway brace and interior floating drum sway brace.
2. a kind of skimmer device for purifying surface, reactor core pond as claimed in claim 1, it is characterized in that: the whole thin-wall part that adopts of skimmer device, wall thickness is 2～3mm.
3. a kind of skimmer device for purifying surface, reactor core pond as claimed in claim 1, it is characterized in that: the whole thin-wall part that adopts of skimmer device, wall thickness is 3mm.
4. a kind of skimmer device for purifying surface, reactor core pond as claimed in claim 1, it is characterized in that: outer floating drum is four/three cylinders barrel structure, and interior floating drum is ladder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700468 CN203021341U (en) | 2012-12-17 | 2012-12-17 | Skimming device for purifying the surface of reactor core pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700468 CN203021341U (en) | 2012-12-17 | 2012-12-17 | Skimming device for purifying the surface of reactor core pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021341U true CN203021341U (en) | 2013-06-26 |
Family
ID=48645337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700468 Withdrawn - After Issue CN203021341U (en) | 2012-12-17 | 2012-12-17 | Skimming device for purifying the surface of reactor core pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021341U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864159A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Skimming device for purifying surface of reactor core pool |
| CN105374409A (en) * | 2014-08-06 | 2016-03-02 | 中国广核集团有限公司 | A nuclear power station reactor water pool muddiness treatment method |
| CN105540716A (en) * | 2016-01-19 | 2016-05-04 | 中国电器科学研究院有限公司 | Floating type collection slag extractor |
| CN105810275A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Purification system for reactor cavity of reactor |
| CN106486177A (en) * | 2015-09-02 | 2017-03-08 | 中核核电运行管理有限公司 | One kind high radioactivity foreign body multifunctional ceiling extracting container and fishing process under water |
-
2012
- 2012-12-17 CN CN 201220700468 patent/CN203021341U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864159A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Skimming device for purifying surface of reactor core pool |
| CN103864159B (en) * | 2012-12-17 | 2015-08-26 | 核动力运行研究所 | A kind of skimmer device for purifying reactor core pool surface |
| CN105374409A (en) * | 2014-08-06 | 2016-03-02 | 中国广核集团有限公司 | A nuclear power station reactor water pool muddiness treatment method |
| CN105810275A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Purification system for reactor cavity of reactor |
| CN105810275B (en) * | 2014-12-30 | 2018-07-06 | 中核武汉核电运行技术股份有限公司 | Reactor cavity cleaning system |
| CN106486177A (en) * | 2015-09-02 | 2017-03-08 | 中核核电运行管理有限公司 | One kind high radioactivity foreign body multifunctional ceiling extracting container and fishing process under water |
| CN106486177B (en) * | 2015-09-02 | 2018-05-18 | 中核核电运行管理有限公司 | A kind of underwater high radioactivity foreign matter multifunctional ceiling extracting container and fishing process |
| CN105540716A (en) * | 2016-01-19 | 2016-05-04 | 中国电器科学研究院有限公司 | Floating type collection slag extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 74501 mailbox 430074, Hubei City, Wuhan Province Patentee after: Nuclear Power Running Inst. Patentee after: China Nuclear Power Operation Technology Co., Ltd. Address before: 74501 box 430074, Wuhan City, Hubei Province, Wuhan Patentee before: Nuclear Power Running Inst. Patentee before: China Nuclear Power Operation Technology Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |