CN104051036A - Nuclear power station underwater foreign matter suction apparatus - Google Patents
Nuclear power station underwater foreign matter suction apparatus Download PDFInfo
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- CN104051036A CN104051036A CN201410245744.XA CN201410245744A CN104051036A CN 104051036 A CN104051036 A CN 104051036A CN 201410245744 A CN201410245744 A CN 201410245744A CN 104051036 A CN104051036 A CN 104051036A
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- Prior art keywords
- foreign matter
- water
- nuclear power
- power station
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention provides a nuclear power station underwater foreign matter suction apparatus. The apparatus comprises a water pump with a motor, a water inlet pipe, a water outlet pipe and a filter barrel connected with the inlet of the water pump and placed over the water pump, the filter barrel comprises a shell, a barrel-shaped filter screen placed in the shell and a top cover hinged to the shell and used for sealing the top of the shell, one end of the water inlet pipe stretches into the filter barrel, the other end of the water inlet pipe is connected with a foreign matter suction pipe, and the water outlet pipe is connected with the outlet of the water pump. The water pump is adopted to form a negative pressure in the filter barrel, so water in a reactor pool goes through the water inlet pipe, enters the filter barrel and is filtered, foreign matters enter the filter barrel with water flow, and above processes are repeated in order to suck the foreign matters in water. The suction apparatus has the advantages of simple structure, small size, easy placement in water by an operator, easy operation, realization of the rapid catching of the foreign matters in water without accurate positioning, and time saving.
Description
Technical field
The present invention relates to a kind of nuclear power station underwater foreign matter suction means.
Background technology
Nuclear power plant's run duration easily produces foreign matter, as the fuel assembly screen work fragment damaging, the bolt and nut coming off, oxide layer and the impurity sedimentation thing such as graphite carbon rod powder and metal powder in maintenance period generation in reactor vessel.These foreign matters must clean out in the time of overhaul, otherwise cause a circuit cycle deteriorating water quality, and likely damage fuel assembly, a loop equipment, even destroy a circuit pressure border.
Existing foreign matter fishing device can be divided into underwater filtration device and underwater manipulator grabbing device two classes.The former is mainly used in the filtration of water quality, also can draw small volume, foreign matter that weight is lighter, but the volume of this device own and weight is larger, and installation is wasted time and energy, and filters required time long, affects nuclear power plant's refueling outage critical path.The latter adopts long distance manipulation, and mechanical Grasp Modes captures the static foreign matter of larger volume under water, shortcoming be must be first accurate location foreign matter, and because reactor pit underwater environment is very complicated, location and to capture difficulty larger.
Chinese patent ZL201210445986 discloses a kind of nuclear power station microminiature operation underwater robot, it comprises underwater human body and control system two parts on the bank, wherein in the horizontal and vertical direction of body, be separately installed with two pieces of thrusters, anterior right side fitting depth meter, front lower installation manipulator, sonar is installed at top, control cabinet is arranged on body postmedian, outer cabin seals by transparent glass cover, rearview camera and floor light LED lamp are installed, body portion is provided with forward sight camera system, by the varifocal pick-up tube of resistance to irradiation, The Cloud Terrace and illuminating lamp composition, video image and control signal reach control system on the bank by shielded cable, control system is by motion control bar, manipulator control key, keyboard, main display, speed adjusting knob composition.The present invention is used in monitoring and the simple foreign matter fishing job of nuclear power station reactor core pond and Spent Fuel Pool.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of nuclear power station underwater foreign matter suction means, is difficult for the problem of easy removal for solving small-sized foreign matter in prior art reactor pit.
For achieving the above object and other relevant objects, the invention provides a kind of nuclear power station underwater foreign matter suction means, it comprises suction pump, water inlet pipe, the rising pipe of translator and communicates with suction pump import and be placed in the filter vat of described suction pump top, described filter vat comprises housing, is placed in the barrel strainer in housing and is hinged and connected the top cover for sealing case top with described housing, one end of described water inlet pipe is stretched in described filter vat, the other end of described water inlet pipe connects foreign matter suction pipe, and described rising pipe is connected with the described delivery side of pump that draws water.
Preferably, described nuclear power station underwater foreign matter suction means also comprises the control lever for promoting described filter vat and suction pump, and the periphery wall of described housing is provided with mount pad, and the end of described control lever is threaded with described mount pad.
Preferably, described rising pipe is provided with the flowmeter of measuring the water yield.
Preferably, the top of described barrel strainer is provided with the handle for barrel strainer is taken out.
Preferably, the periphery wall of described housing is provided with the support member of water inlet pipe and rising pipe described in supporting and location.
Preferably, the inside surface of described top cover is provided with the guide pipe communicating with described water inlet pipe, and described guide pipe is bending tube, and the water delivering orifice center line of guide pipe overlaps with described housing center line.
Preferably, the other end of described water inlet pipe is connected with described foreign matter suction pipe by quick union.
Preferably, described rising pipe arranges straight up, and the end cross of rising pipe is provided with two water delivering orifices.
Preferably, described top cover is provided with for the lug hanging.
As mentioned above, nuclear power station underwater foreign matter suction means of the present invention, there is following beneficial effect: 1) this nuclear power station foreign matter suction means volume simple in structure is little, can one man operation, connect foreign matter suction pipe with rapid-acting coupling, it is convenient to install and change, and can devote oneself to work fast, is conducive to complete foreign matter cleaning in the finite time of nuclear power station overhaul; 2) by changing different suction pipes, can catch as small-sized foreign matters such as fuel assembly screen work fragments, also can draw precipitum class impurity, can be deep into small space and carry out work, environmental suitability is strong simultaneously; 3) adopt suction pump to draw principle, easy and simple to handle, avoid complicated grasping movement, without accurately location just can fast Acquisition target foreign matter.
Brief description of the drawings
Fig. 1 is shown as nuclear power station underwater foreign matter suction means schematic diagram of the present invention.
Fig. 2 is shown as the partial sectional view of nuclear power station underwater foreign matter suction means of the present invention.
Element numbers explanation
1 motor
2 suction pumps
3 flowmeters
4 rising pipes
5 top covers
51 lugs
52 guide pipes
6 housings
7 water inlet pipes
8 barrel strainers
81 handles
9 mount pads
11 foreign matter suction pipes
12 quick unions
Embodiment
By particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this instructions below.
Refer to Fig. 1 to Fig. 2.Notice, appended graphic the illustrated structure of this instructions, ratio, size etc., all contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this instructions, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the present invention without essence.
As shown in Figures 1 and 2, the invention provides a kind of nuclear power station underwater foreign matter suction means, it comprises suction pump 2, water inlet pipe 7, the rising pipe 4 of translator 1 and communicates with suction pump import and be placed in the filter vat of suction pump 2 tops, filter vat comprises housing 6, is placed in the barrel strainer 8 in housing and is hinged and connected the top cover 5 for sealing case top with housing 6, one end of water inlet pipe 7 is stretched in filter vat, the other end of water inlet pipe 7 connects foreign matter suction pipe 11, and rising pipe 4 is connected with the outlet of suction pump 2.The present invention adopts suction pump in filter vat, to inhale into negative pressure, make the water in reactor pit enter filter vat inner filtration by water inlet pipe, while foreign matter is followed current and is entered in lauter tub, complete and so forth the absorption to foreign matter in water, this suction means volume simple in structure is little, and operating personnel are easy to be placed in water, also its work of easy operating, realization is fished for fast to foreign matter in water, saves time.
This nuclear power station underwater foreign matter suction means also comprises the control lever for promoting above-mentioned filter vat and suction pump, the periphery wall of housing 6 is provided with mount pad 9, the end of control lever is threaded with mount pad 9, by manipulation operations bar, this suction means put into water and realized the movement at water, being threaded and being convenient to dismounting.This suction means also can select rope-like constructed to realize the operation to suction pump and filter vat.
For ease of understand foreign matter in lauter tub number, above-mentioned rising pipe 4 is provided with the flowmeter 3 of measuring the water yield.Flowmeter 3 tests the speed to the current after filtering, and along with being on the increase of foreign matter in barrel strainer 8, the reading of flowmeter 3 can constantly reduce, and in the time being reduced to the particular value of setting, barrel strainer is changed.As shown in Figure 2, for ease of changing, the top of this barrel strainer 8 is provided with the handle 81 for barrel strainer is taken out.For ease of changing barrel strainer under water, top cover to be opened, above-mentioned top cover 5 is provided with for the lug 51 hanging, and top cover can be opened, and then barrel strainer 8 is taken out, the foreign body in barrel strainer by hook.
The periphery wall of above-mentioned housing 6 is provided with the support member of supporting and location water inlet pipe 7 and rising pipe 4, and this support member can be fixed on water inlet pipe and rising pipe the surrounding of filter vat.
The inside surface of above-mentioned top cover 5 is provided with the guide pipe 52 communicating with water inlet pipe 7, and guide pipe 52 is bending tube, and the water delivering orifice center line of guide pipe 52 overlaps with housing center line, and guide pipe makes current enter filter vat from housing center line, filters to realize better.
The other end of above-mentioned water inlet pipe 7 is connected with foreign matter suction pipe 11 by quick union 12, and arranging of quick union 12 can be convenient for changing foreign matter suction pipe 11, and foreign matter suction pipe 11 can become the different structures such as straight tube, bend pipe, flexible pipe according to foreign matter spatial design of living in.
Above-mentioned rising pipe 4 arranges straight up, and the end cross of rising pipe 4 is provided with two water delivering orifices, and laterally water outlet is convenient to stablize whole suction means, is more applicable for water-bed draining.
When use, operator is operated this suction means and is moved to the top of foreign matter to be removed by control lever, drive suction pump 2 to turn round, preferably this suction pump 2 is centrifugal pump, and it makes generation vacuum in filter vat, foreign matter is drawn in barrel strainer 8, flowmeter 3 tests the speed to the current after filtering, and along with being on the increase of foreign matter in barrel strainer 8, the reading of flowmeter 3 can constantly reduce, in the time being reduced to the particular value of setting, barrel strainer 8 is changed.Now, close suction pump 2, use long handle instrument upwards to mention and open top cover 5, change under water barrel strainer 8.Barrel strainer 8 and the foreign matter holding are deposited in the specific container of power plant, to foreign matter is done further to analyze.Above-mentioned motor 1 adjustable speed, can use different rotating speeds according to foreign matter size, weight, quantity etc.
In sum, nuclear power station underwater foreign matter suction means of the present invention, the little easy operating of volume, can pile underwater complex environment by adaptive response, enter and in little space, carry out foreign matter absorption, and this suction means can complete fishing for of foreign matter without accurate positioning instant, improve foreign matter catching rate, save time.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (9)
1. a nuclear power station underwater foreign matter suction means, it is characterized in that, comprise the suction pump (2) of translator (1), water inlet pipe (7), rising pipe (4) and communicate with suction pump import and be placed in the filter vat of described suction pump (2) top, described filter vat comprises housing (6), be placed in the barrel strainer (8) in housing and be hinged and connected the top cover (5) for sealing case top with described housing (6), one end of described water inlet pipe (7) is stretched in described filter vat, the other end of described water inlet pipe (7) connects foreign matter suction pipe (11), described rising pipe (4) is connected with the outlet of described suction pump (2).
2. nuclear power station underwater foreign matter suction means according to claim 1, it is characterized in that: described nuclear power station underwater foreign matter suction means also comprises the control lever for promoting described filter vat and suction pump (2), the periphery wall of described housing (6) is provided with mount pad (9), and the end of described control lever is threaded with described mount pad (9).
3. nuclear power station underwater foreign matter suction means according to claim 1, is characterized in that: described rising pipe (4) is provided with the flowmeter (3) of measuring the water yield.
4. nuclear power station underwater foreign matter suction means according to claim 3, is characterized in that: the top of described barrel strainer (8) is provided with the handle (81) for barrel strainer is taken out.
5. nuclear power station underwater foreign matter suction means according to claim 1, is characterized in that: the periphery wall of described housing (6) is provided with the support member of water inlet pipe (7) and rising pipe (4) described in supporting and location.
6. nuclear power station underwater foreign matter suction means according to claim 1, it is characterized in that: the inside surface of described top cover (5) is provided with the guide pipe (52) communicating with described water inlet pipe (7), described guide pipe (52) is bending tube, and the water delivering orifice center line of guide pipe (52) overlaps with described housing center line.
7. nuclear power station underwater foreign matter suction means according to claim 1, is characterized in that: the other end of described water inlet pipe is connected with described foreign matter suction pipe by quick union.
8. nuclear power station underwater foreign matter suction means according to claim 1, it is characterized in that: described rising pipe (4) arranges straight up, and the end cross of rising pipe (4) is provided with two water delivering orifices.
9. nuclear power station underwater foreign matter suction means according to claim 1, is characterized in that: described top cover (5) is provided with for the lug (51) hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245744.XA CN104051036A (en) | 2014-06-05 | 2014-06-05 | Nuclear power station underwater foreign matter suction apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245744.XA CN104051036A (en) | 2014-06-05 | 2014-06-05 | Nuclear power station underwater foreign matter suction apparatus |
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| CN104051036A true CN104051036A (en) | 2014-09-17 |
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| CN201410245744.XA Pending CN104051036A (en) | 2014-06-05 | 2014-06-05 | Nuclear power station underwater foreign matter suction apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139911A (en) * | 2015-08-05 | 2015-12-09 | 中国核电工程有限公司 | Spent fuel storage pool bottom scrubbing device |
| WO2018223595A1 (en) * | 2017-06-08 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Method for extracting underwater foreign matters for nuclear power station |
| 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 |
| CN110444304A (en) * | 2019-07-17 | 2019-11-12 | 中广核工程有限公司 | A kind of nuclear power station In-core Instrumentation instrument replaces system and method under water |
| CN112663708A (en) * | 2020-12-21 | 2021-04-16 | 国核电站运行服务技术有限公司 | Underwater foreign matter removing equipment |
| CN113643835A (en) * | 2021-08-13 | 2021-11-12 | 连云港金辰实业有限公司 | Underwater foreign matter suction device for nuclear power station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139911A (en) * | 2015-08-05 | 2015-12-09 | 中国核电工程有限公司 | Spent fuel storage pool bottom scrubbing device |
| WO2018223595A1 (en) * | 2017-06-08 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Method for extracting underwater foreign matters for nuclear power station |
| 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 |
| CN110444304A (en) * | 2019-07-17 | 2019-11-12 | 中广核工程有限公司 | A kind of nuclear power station In-core Instrumentation instrument replaces system and method under water |
| CN110444304B (en) * | 2019-07-17 | 2021-04-13 | 中广核工程有限公司 | Underwater replacement system and method for nuclear power station reactor core measuring instrument |
| CN112663708A (en) * | 2020-12-21 | 2021-04-16 | 国核电站运行服务技术有限公司 | Underwater foreign matter removing equipment |
| CN112663708B (en) * | 2020-12-21 | 2022-09-27 | 国核电站运行服务技术有限公司 | Underwater foreign matter removing equipment |
| CN113643835A (en) * | 2021-08-13 | 2021-11-12 | 连云港金辰实业有限公司 | Underwater foreign matter suction device for nuclear power station |
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Application publication date: 20140917 |