CN109881652A - A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool - Google Patents
A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool Download PDFInfo
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- CN109881652A CN109881652A CN201910245098.XA CN201910245098A CN109881652A CN 109881652 A CN109881652 A CN 109881652A CN 201910245098 A CN201910245098 A CN 201910245098A CN 109881652 A CN109881652 A CN 109881652A
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- valve
- foreign matter
- spent fuel
- fuel pool
- priming pump
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Abstract
The invention belongs to underwater foreign matter processing technology fields, and in particular to a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool.Absorption heads portion is located inside Spent Fuel Pool in the present invention, and the one end for drawing head and suction hose connects, and the other end of suction hose is connect with water tank；The bottom of water tank is equipped with drainpipe, and drainpipe leads to Spent Fuel Pool, and drainpipe is equipped with valve F；Self priming pump A and self priming pump B constitutes parallel pipeline, the two sides of self priming pump A are respectively equipped with valve A and valve E, the two sides of self priming pump B are respectively equipped with valve D and valve C, one end of parallel pipeline connect with water tank and is equipped with valve B on connecting line, and the other end of parallel pipeline leads to Spent Fuel Pool by return pipe.One aspect of the present invention completes irradiated fuel assembly control rod surface and the floating ash of container sealing surface, impurity and foreign matter cleaning, it is ensured that spentnuclear fuel transports the smooth implementation of work, and the on the other hand subsequent underwater foreign matter cleaning in pond weary for power station can also provide safeguard support.
Description
Technical field
The invention belongs to underwater foreign matter processing technology fields, and in particular to a kind of portable water suitable for Spent Fuel Pool
Lower foreign matter fishing device.
Background technique
As nuclear power unit active time extends, runs generated irradiated fuel assembly and accumulate year by year, it is close to reach weary combustion
Expect Cistern Design capacity, it is necessary to consider that spentnuclear fuel is transported Spent Fuel Pool using shipping container.
Since to deposit in Spent Fuel Pool and Spent Fuel Pool area for a long time big, open for irradiated fuel assembly, lead to spentnuclear fuel
The floating ash of the more or less presence in component control rod surface and Spent Fuel Pool surface, impurity and foreign matter etc..Turn carrying out spentnuclear fuel
Between Yunqi, irradiated fuel assembly is grabbed to spentnuclear fuel transfer container, it is necessary to spentnuclear fuel transfer container sealing surface and spentnuclear fuel
It checked, cleared up, otherwise influencing fully loaded irradiated fuel assembly container sealing causes a series of subsequent transfer operations to be unable to complete,
Operating interruptions, there is also bring spentnuclear fuel into newly to store Spent Fuel Pool foreign matter risk.Spentnuclear fuel transfer container weary water down toward
At least 7 meters of personnel's operating platform, existing underwater salvage net can only carry out the foreign matter cleaning on Spent Fuel Pool surface, be unable to satisfy
Container sealing surface foreign matter, irradiated fuel assembly screen work are mingled with the cleaning of foreign matter, and floating ash, fine impurities can not be handled.
It is underwater different to carry out that the present invention has manufactured a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool
The cleaning of object.Belong in Spent Fuel Pool foreign matter process field pioneering.All fishing underwater foreign matters are all suitable for.
Summary of the invention
Present invention solves the technical problem that:
The present invention provides a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool, on the one hand by spentnuclear fuel
Component control rod surface and the floating ash of container sealing surface, impurity and foreign matter cleaning are completed, it is ensured that the smooth reality of spentnuclear fuel transhipment work
It applies, the on the other hand subsequent underwater foreign matter cleaning in pond weary for power station can also provide safeguard support.
The technical solution adopted by the present invention:
A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool, including self priming pump A, self priming pump B, water
Case, return pipe, suction hose, draws head, Spent Fuel Pool and valve at drainpipe；Absorption heads portion is located in Spent Fuel Pool
Portion, the one end for drawing head and suction hose connect, and the other end of suction hose is connect with water tank, and suction hose is equipped with valve G；Water tank
Bottom drainpipe is installed, drainpipe leads to Spent Fuel Pool, and drainpipe is equipped with valve F；Self priming pump A and self priming pump B structure
At parallel pipeline, the two sides of self priming pump A are respectively equipped with valve A and valve E, and the two sides of self priming pump B are respectively equipped with valve D and valve
One end of C, parallel pipeline connect with water tank and are equipped with valve B on connecting line, and the other end of parallel pipeline passes through return pipe
Lead to Spent Fuel Pool.
Filter core is equipped with inside the water tank.
The replaceable filter element.
Fastener A, fastener B be installed on the suction hose, handle by wirerope respectively with fastener A, fastener B
Connection.
The suction hose length-controllable is 6m~15m.
The course of work includes: step 1 equipment debugging and flushing of pipeline；Step 2 foreign matter salvages the stage；Step 3 wash phase.
In the step 1,
A injects demineralized water in water tank, synchronizes in pipeline and fills demineralized water；
B opens valve A, valve B, valve C, closes valve D, valve E, valve F, valve G；
C opens valve D, valve E, opens two self priming pump A, self priming pump B, closes valve G, manually adjusts valve D, valve
E is rinsed device circuit, empties air in pipeline；
D closes valve A, valve B, valve C, valve D, valve E after the completion of rinsing.
In the step 2,
A opens filter top cover, installs filter element；
B installs suction hose, plastics steel wire tube；With hose clamp connection plastics steel wire tube and the interface at the top of it is filtered, secondly will
Suction hose is connect with plastics steel wire tube, and connection plastics steel wire tube one end is connected with hose clamp, and connection suction hose one end requires screw thread rotation
Tightly, suction hose is connected by water suction depth, sewage absorpting heat is connected with suction hose, and connect steel wire tow line；
C opens valve A, valve B, valve G, closes valve C, valve D, valve E, valve F；
D is adjusted by wirerope, will be drawn head and is adjusted to foreign matter position；
E opens 1 self priming pump A, opens valve E, carries out the absorption of foreign matter, the weary water of suction is flowed back by return pipe
In weary pond；
F such as foreign matter is not drawn up, opens valve C, while opening the 2nd self priming pump, is opened valve D and is carried out foreign matter suction
It takes, the weary water of suction is flowed back into weary pond by return pipe；
After g foreign matter takes clearly, stoppage in transit self priming pump.Simultaneously close off valve.
In the step 3,
After a foreign matter is cleared up, opens valve F and be allowed to dry water；
B cleaning or replacement filter cotton；
C water tank fills demineralized water, opens self priming pump and respective valves are recycled, be rinsed to pipeline.
Beneficial effects of the present invention:
1, a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention, is provided with two
Self priming pump changes lift, to realize the underwater control for drawing height by changing power；
2, a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention, is provided with filtering
Device, filter core can be replaced, and water tank is able to satisfy before pump startup full water in tank, in order to which air empties in pipeline；
3, fastener is arranged in a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention
1, which adjusts wirerope with fastener 2, connects, and is adjusted by handle, facilitates operation；
4, a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention, is provided with absorption
Head, includes 3 kinds of forms, and round mouth, horn mouth, flat port are changed to different form according to underwater foreign matter position and size；
5, fastener is arranged in a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention
Pipeline is segmented between 1 and fastener 2, can carry out splicing extension according to live foreign matter specific location actual height, is easy to use；
6, a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention, is provided with cart
Device is welded on trolley by device, portable to be convenient for carrying use.
Detailed description of the invention
Fig. 1 is a kind of portable underwater foreign matter fishing device structural representation suitable for Spent Fuel Pool provided by the invention
Figure；
In figure: 1-valve A；2-valve B；3-valve C；4-valve D；5-valve E；6-valve F；7-valve G；8-self priming pumps
A；9-self priming pump B；10-filter cores；11-water tanks；12-drainpipes；13-return pipes；14-handles；15-wirerope；16-suction hoses
(length-controllable 6m~15m)；17-fastener A；18-fastener B；19-draw head；20-Spent Fuel Pools.
Specific embodiment
In the following with reference to the drawings and specific embodiments to a kind of portable water suitable for Spent Fuel Pool provided by the invention
Lower foreign matter fishing device is described in further detail.
As shown in Figure 1, a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool provided by the invention, packet
It includes self priming pump A8, self priming pump B9, water tank 11, drainpipe 12, return pipe 13, suction hose 16, fastener A17, fastener B18, inhale
Take head 19, Spent Fuel Pool 20 and valve；It draws head 19 to be located inside Spent Fuel Pool 20, draw head 19 and inhales
One end of water pipe 16 connects, and the other end of suction hose 16 is connect with water tank 11, equipped with filter core 10 inside water tank 11, on suction hose 16
Equipped with valve G7；Fastener A17, fastener B18 are mounted on suction hose 16, handle 14 by wirerope 15 respectively with fastener
A17, fastener B18 connection；The bottom of water tank 11 is equipped with drainpipe 12, and drainpipe 12 leads to Spent Fuel Pool 20, drainpipe
12 are equipped with valve F6；Self priming pump A8 and self priming pump B9 constitute parallel pipeline, the two sides of self priming pump A8 be respectively equipped with valve A1 and
Valve E5, the two sides of self priming pump B9 are respectively equipped with valve D4 and valve C3, and one end of parallel pipeline connect with water tank 11 and even
Adapter tube road is equipped with valve B2, and the other end of parallel pipeline leads to Spent Fuel Pool 20 by return pipe 13.
Filter core 10 can be replaced as the case may be.
16 length-controllable of suction hose is 6m~15m.
Efforts process of the invention includes:
(1) equipment debugging and flushing of pipeline:
(a) demineralized water is injected in water tank, is synchronized in pipeline and is filled demineralized water；
(b) valve A1, valve B2, valve C3 are opened, valve D4, valve E5, valve F6, valve G7 are closed；
(c) valve D4, valve E5 are opened, two self priming pump A8, self priming pump B9 are opened, closes valve G7, manual modulation valve
Door D4, valve E5 are rinsed device circuit, empty air in pipeline；
(d) valve A1, valve B2, valve C3, valve D4, valve E5 are closed after the completion of rinsing.
(2) foreign matter salvages the stage:
(a) filter top cover is opened, filter element is installed；
(b) suction hose, plastics steel wire tube are installed.With hose clamp connection plastics steel wire tube and the interface at the top of it is filtered, secondly
Suction hose is connect with plastics steel wire tube, connection plastics steel wire tube one end is connected with hose clamp, and connection suction hose one end requires screw thread
It screws, connects suction hose by water suction depth, sewage absorpting heat (selecting corresponding sewage absorpting heat according to the case where foreign matter) and suction hose are connected
It connects, and connects steel wire tow line；
(c) valve A1, valve B2, valve G7 are opened, valve C3, valve D4, valve E5, valve F6 are closed；
(d) it is adjusted by wirerope 15, head 19 will be drawn and be adjusted to foreign matter position；
(e) 1 self priming pump A8 is opened, valve E5 is opened, carries out the absorption of foreign matter, the weary water of suction passes through return pipe 13
It flows back into weary pond；
(f) such as foreign matter is not drawn up, opens valve C3, while opening the 2nd self priming pump, is opened valve D4 and is carried out foreign matter
It draws, the weary water of suction is flowed back into weary pond by return pipe；
(g) after foreign matter takes clearly, stoppage in transit self priming pump.Simultaneously close off valve.
(3) wash phase
(a) it after foreign matter cleaning, opens valve F6 and is allowed to dry water；
(b) clean or replace filter cotton；
(c) water tank fills demineralized water, opens self priming pump and respective valves are recycled, be rinsed to pipeline.
Claims (9)
1. a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool, it is characterised in that: including self priming pump A (8),
Self priming pump B (9), water tank (11), drainpipe (12), return pipe (13), suction hose (16), head (19), Spent Fuel Pool are drawn
(20) and valve；It draws head (19) and is located at Spent Fuel Pool (20) inside, draw the one of head (19) and suction hose (16)
End connection, the other end of suction hose (16) are connect with water tank (11), and suction hose (16) is equipped with valve G (7)；The bottom of water tank (11)
Portion is equipped with drainpipe (12), and drainpipe (12) leads to Spent Fuel Pool (20), and drainpipe (12) is equipped with valve F (6)；Self-priming
It pumping A (8) and self priming pump B (9) and constitutes parallel pipeline, the two sides of self priming pump A (8) are respectively equipped with valve A (1) and valve E (5), from
The two sides of sucking pump B (9) are respectively equipped with valve D (4) and valve C (3), and one end of parallel pipeline connect and connecting with water tank (11)
Pipeline is equipped with valve B (2), and the other end of parallel pipeline leads to Spent Fuel Pool (20) by return pipe (13).
2. a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool according to claim 1, feature
It is: is equipped with filter core (10) inside the water tank (11).
3. a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool according to claim 2, feature
Be: the filter core (10) is replaceable.
4. a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool according to claim 1, feature
It is: fastener A (17), fastener B (18) is installed on the suction hose (16), handle (14) passes through wirerope (15) difference
It is connect with fastener A (17), fastener B (18).
5. a kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool according to claim 4, feature
Be: suction hose (16) length-controllable is 6m~15m.
6. a kind of portable underwater foreign matter salvaging suitable for Spent Fuel Pool described in -5 any one according to claim 1
Device, it is characterised in that: the course of work includes: step (1) equipment debugging and flushing of pipeline；Step (2) foreign matter salvages the stage；Step
Suddenly (3) wash phase.
7. a kind of portable underwater foreign matter salvaging dress suitable for Spent Fuel Pool described in any one according to claim 6
It sets, it is characterised in that: in the step (1),
(a) demineralized water is injected in water tank, is synchronized in pipeline and is filled demineralized water；
(b) valve A (1), valve B (2), valve C (3) are opened, valve D (4), valve E (5), valve F (6), valve G are closed
(7)；
(c) valve D (4), valve E (5) are opened, two self priming pump A (8), self priming pump B (9) are opened, are closed valve G (7), manually
Control valve D (4), valve E (5) are rinsed device circuit, empty air in pipeline；
(d) valve A (1), valve B (2), valve C (3), valve D (4), valve E (5) are closed after the completion of rinsing.
8. a kind of portable underwater foreign matter salvaging dress suitable for Spent Fuel Pool described in any one according to claim 7
It sets, it is characterised in that: in the step (2),
(a) filter top cover is opened, filter element is installed；
(b) suction hose, plastics steel wire tube are installed；With hose clamp connection plastics steel wire tube and the interface at the top of it is filtered, secondly will be inhaled
Water pipe is connect with plastics steel wire tube, and connection plastics steel wire tube one end is connected with hose clamp, and connection suction hose one end requires screw thread to screw,
Suction hose is connected by water suction depth, sewage absorpting heat is connected with suction hose, and connect steel wire tow line；
(c) valve A (1), valve B (2), valve G (7) are opened, valve C (3), valve D (4), valve E (5), valve F are closed
(6)；
(d) it is adjusted by wirerope (15), head (19) will be drawn and be adjusted to foreign matter position；
(e) 1 self priming pump A (8) is opened, opens valve E (5), carries out the absorption of foreign matter, the weary water of suction passes through return pipe
(13) it flows back into weary pond；
(f) such as foreign matter is not drawn up, is opened valve C (3), while opening the 2nd self priming pump, is opened valve D (4) and is carried out foreign matter
It draws, the weary water of suction is flowed back into weary pond by return pipe；
(g) after foreign matter takes clearly, stoppage in transit self priming pump.Simultaneously close off valve.
9. a kind of portable underwater foreign matter salvaging dress suitable for Spent Fuel Pool described in any one according to claim 8
It sets, it is characterised in that: in the step (3),
(a) after foreign matter cleaning, valve F (6) is opened and are allowed to dry water；
(b) clean or replace filter cotton；
(c) water tank fills demineralized water, opens self priming pump and respective valves are recycled, be rinsed to pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245098.XA CN109881652A (en) | 2019-03-28 | 2019-03-28 | A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245098.XA CN109881652A (en) | 2019-03-28 | 2019-03-28 | A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool |
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| Publication Number | Publication Date |
|---|---|
| CN109881652A true CN109881652A (en) | 2019-06-14 |
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ID=66934957
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910245098.XA Pending CN109881652A (en) | 2019-03-28 | 2019-03-28 | A kind of portable underwater foreign matter fishing device suitable for Spent Fuel Pool |
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Citations (6)
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| JP2009109421A (en) * | 2007-10-31 | 2009-05-21 | Tokyo Electric Power Co Inc:The | Method and device for cleaning inside of spent fuel pool of nuclear power plant |
| CN103823431A (en) * | 2013-12-29 | 2014-05-28 | 江苏兴达钢帘线股份有限公司 | Continuous operation line production waste eater recovery control apparatus |
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| CN109003694A (en) * | 2018-08-15 | 2018-12-14 | 三门技师学院 | A kind of nuclear power station underwater foreign matter suction means |
| CN209907353U (en) * | 2019-03-28 | 2020-01-07 | 江苏核电有限公司 | Portable underwater foreign matter fishing device suitable for spent fuel pool |
-
2019
- 2019-03-28 CN CN201910245098.XA patent/CN109881652A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009109421A (en) * | 2007-10-31 | 2009-05-21 | Tokyo Electric Power Co Inc:The | Method and device for cleaning inside of spent fuel pool of nuclear power plant |
| CN103823431A (en) * | 2013-12-29 | 2014-05-28 | 江苏兴达钢帘线股份有限公司 | Continuous operation line production waste eater recovery control apparatus |
| CN206057301U (en) * | 2016-08-31 | 2017-03-29 | 常州市环境监测中心 | The double self priming pump backwash water intaking pipe-line systems of water quality automatic Weather Station |
| CN207143893U (en) * | 2017-07-26 | 2018-03-27 | 大唐甘肃发电有限公司碧口水力发电厂 | A kind of power station is with dragging for slag equipment |
| CN109003694A (en) * | 2018-08-15 | 2018-12-14 | 三门技师学院 | A kind of nuclear power station underwater foreign matter suction means |
| CN209907353U (en) * | 2019-03-28 | 2020-01-07 | 江苏核电有限公司 | Portable underwater foreign matter fishing device suitable for spent fuel pool |
Non-Patent Citations (1)
| Title |
|---|
| 楼文超主编、山西省电力公司编: "发供电企业总工必读 第2册 火力发电", 北京：中国电力出版社, pages: 459 - 460 * |
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