CN115094838B - Device for preventing sundries in inlet sluice gate slot from adhering - Google Patents
Device for preventing sundries in inlet sluice gate slot from adhering Download PDFInfo
- Publication number
- CN115094838B CN115094838B CN202210371495.3A CN202210371495A CN115094838B CN 115094838 B CN115094838 B CN 115094838B CN 202210371495 A CN202210371495 A CN 202210371495A CN 115094838 B CN115094838 B CN 115094838B
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- China
- Prior art keywords
- slot
- movable part
- gap
- gate slot
- inflating
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
-
- 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 device for preventing sundries in a gate slot of an inlet sluice gate from adhering, which comprises a movable part, a sealing air bag and a mounting assembly, wherein the movable part is matched with the gate slot and can lift along the gate slot, the sealing air bag is used for sealing a gap between the movable part and the gate slot, the mounting assembly is used for mounting the sealing air bag on the movable part, the sealing air bag comprises an inflating part, a first supporting part for supporting the inflating part and a second supporting part for supporting the first supporting part, and the inflating part compresses and seals the gap between the movable part and the gate slot under the condition that the movable part is lowered and the inflating part is inflated. This prevent device that import sluice gate door groove debris is attached, the portion of aerifing to seal the gasbag produces the inflation and warp, compresses tightly and seals the clearance before movable part and the door groove, in the entering clearance of physical blocking sea water, avoids the attachment and the growth of marine organism to eliminate or reduce marine organism clearance maintenance time limit for a project maintenance industry safety risk.
Description
Technical Field
The invention relates to the technical field of nuclear power unit maintenance, in particular to a device for preventing sundries in a gate slot of an inlet sluice gate from adhering.
Background
The pressurized water reactor nuclear power unit refueling overhaul work is a key for influencing the unit capacity factor and mainly comprises unit descending, project overhaul, unit ascending, wherein the unit ascending and the unit descending are basically the same and solidified, and the contribution of the unit overhaul period mainly comes from planning design, process improvement, project optimization or project elimination in the overhaul stage. A part of pressurized water reactors such as a bench nuclear power EPR (Evolutionary Power Reactors; european modified pressurized water reactor) unit has short overhaul design period and higher capacity factor, but the actual period is still different from the design period at present. And (3) researching and analyzing the overhaul experience of the pressurized water type reactor nuclear power unit, wherein a gate slot of a water gate at the side inlet of the water taking tunnel is in the early period of overhaul, a large amount of attached marine organisms are required to be checked and cleaned, and the non-blocking closing of the water gate is ensured. The project overhaul period is longer, and the project overhaul underwater operation industry safety risk is higher.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device for preventing impurities of the inlet sluice gate slot from adhering to the defects in the related art.
The technical scheme adopted by the invention for solving the technical problems comprises the following steps: the device comprises a movable part, a sealing air bag and a mounting assembly, wherein the movable part is matched with the door groove and can lift along the door groove, the sealing air bag is used for sealing a gap between the movable part and the door groove, the mounting assembly is used for mounting the sealing air bag on the movable part, is arranged on the movable part and is positioned beside the gap between the movable part and the door groove, the sealing air bag comprises an inflating part, a first supporting part and a second supporting part, the first supporting part is used for supporting the inflating part, the second supporting part is used for supporting the first supporting part, the mounting assembly is used for fixing the second supporting part, the position of the inflating part corresponds to the gap between the movable part and the door groove, and in a state that the inflating part is not inflated, the sealing air bag is separated from the gap between the movable part and the door groove, and the sealing air bag lifts along the door groove along with the movable part; in a state where the movable member is lowered and the inflation portion is inflated, the inflation portion presses and seals a gap between the movable member and the door slot.
Preferably, the movable part is a grille or a shutter.
Preferably, the inflating part is arranged outside a gap between the door slot and the movable part, and the inflating part presses the outside of the gap between the door slot and the movable part in an inflated state.
Preferably, a part of the inflating part extends into a gap between the door slot and the movable part, and the inflating part presses the gap between the door slot and the movable part in an inflated state and presses the inner side of the gap between the door slot and the movable part.
Preferably, the mounting assembly includes a mounting platen and a fixing member, the mounting platen defines a mounting groove and an opening communicating the inside and outside of the mounting groove, the second-supporting portion is provided in the mounting groove, the fixing member fixes the second supporting portion, the first supporting portion passes through the opening, one side of the first supporting portion is connected with the second supporting portion, and the other side is connected with the inflatable portion outside of the mounting groove.
Preferably, the second supporting portion is flat, and the shape of the mounting groove corresponds to the second supporting portion.
Preferably, the first support portion is perpendicular to the second support portion.
Preferably, the fixing member penetrates into the mounting groove and presses the second supporting portion.
Preferably, the second support portion surface is provided with a second anti-slip structure, and the second anti-slip structure contacts the inner wall of the mounting groove.
Preferably, the inflatable portion surface is provided with a first anti-slip structure contacting the door slot and/or the movable part.
The implementation of the technical scheme of the invention has at least the following beneficial effects: this prevent device that import sluice gate door groove debris is attached, the portion of aerifing to seal the gasbag produces the inflation and warp, compresses tightly and seals the clearance before movable part and the door groove, in the entering clearance of physical blocking sea water, avoids the attachment and the growth of marine organism to eliminate or reduce marine organism clearance maintenance time limit for a project maintenance industry safety risk.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a movable member engaged with a door slot (a shutter lowered state) in the present invention.
Figure 2 is a cross-sectional view of the position A-A of figure 1.
Fig. 3 is a front view of a device for preventing foreign matter from adhering to a gate slot of an inlet sluice gate (mounted on the movable member of fig. 1) according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of one embodiment of the device of fig. 3 (cut-away position B-B of fig. 3) of the inlet sluice gate slot attachment prevention device.
FIG. 5 is an enlarged partial view of the portion A of FIG. 4
Fig. 6 is a cross-sectional view of another embodiment of the device of fig. 3 for preventing attachment of debris from the inlet sluice gate slot (the cut-away position being the B-B position of fig. 3).
Fig. 7 is a partial enlarged view of the portion B of fig. 6.
Reference numerals in the drawings denote: the sealing device comprises a movable part 1, a sealing airbag 2, an inflating part 21, a first anti-slip structure 211, a first supporting part 22, a second supporting part 23, a second anti-slip structure 231, a mounting assembly 3, a mounting pressing plate 31, a fixing piece 32, a mounting groove 33, an opening 34 and a door groove 5.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that, if any directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", etc. are made and operated in specific directions based on the directions or positional relationships shown in the drawings, this is merely for convenience in describing the present invention, and does not indicate that the apparatus or element to be referred to must have a specific direction, and thus should not be construed as limiting the present invention. It should also be noted that unless explicitly stated or limited otherwise, if the terms "mounted," "connected," "secured," and the like are used herein, they are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. If the terms "first," "second," etc. are used herein merely to facilitate the description of the present technology, they are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," etc. may explicitly or implicitly include one or more such feature. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Referring to fig. 1 to 5, the device for preventing foreign matter from adhering to a gate slot of an inlet sluice gate in one embodiment of the present invention comprises a movable member 1 engaged with the gate slot 5 of the inlet sluice gate and being movable up and down along the gate slot 5, a sealing air bag 2 for sealing a gap between the movable member 1 and the gate slot 5, and a mounting assembly 3 for mounting the sealing air bag 2 on the movable member 1, the mounting assembly 3 being provided on the movable member 1 and being located aside the movable member 1 from the gap between the gate slot 5, the sealing air bag 2 comprising an inflating portion 21, a first supporting portion 22 supporting the inflating portion 21, and a second supporting portion 23 supporting the first supporting portion 22, the mounting assembly 3 fixing the second supporting portion 23, the position of the inflating portion 21 corresponding to the gap between the movable member 1 and the gate slot 5, and in a state in which the inflating portion 21 is out of the gap between the movable member 1 and the gate slot 5, the sealing air bag 2 being lifted up and down along with the movable member 1 along with the gate slot 5; in a state where the movable member 1 is lowered and the air charging portion 21 is inflated, the air charging portion 21 presses and seals the gap between the movable member 1 and the door slot 5, thereby preventing foreign materials from adhering to the inlet sluice gate slot 5.
When the device for preventing sundries in the gate slot 5 of the inlet sluice gate from adhering is used, the sealing air bag 2 is fixed on the movable part 1 through the mounting assembly 3, after the coarse movable part 1 is lowered and placed in the gate slot 5, the inflating part 21 of the sealing air bag 2 is inflated, the inflating part 21 is inflated and deformed to press the side edge of the gate slot 5 and the movable part 1, the gap between the movable part 1 and the gate slot 5 is sealed, seawater is blocked physically, and the attachment of sundries such as marine organisms is avoided. Before the movable part 1 is lifted, the inflating part 21 of the sealing air bag 2 is deflated, and the inflating part 21 is separated from the side edge of the door slot 5 and the movable part 1, so that the lifting of the movable part 1 is not affected.
Preferably, the first support 22 and the second support 23 are solid.
Preferably, the movable part 1 is a grid or a shutter. Wherein the purpose of the grating and the gate is to lower the grating along the gate slot 5 during normal operation of the unit without interfering with the inlet water flow; during the overhaul of the unit, a grille is provided, the gate is lowered along the gate slot 5, and the inlet water flow is blocked. The device for preventing sundries in the inlet sluice gate slot 5 from adhering can be arranged on a grid or a gate according to the requirement, so that different usage of different devices can be realized. For example, when the movable member 1 is a grille, the sealing airbag 2 is fixed to the grille by the mounting assembly 3, after the coarse grille descends along the door slot 5, the inflating portion 21 of the sealing airbag 2 is inflated, the inflating portion 21 is inflated and deformed, the side edge of the door slot 5 and the grille are pressed and attached, gaps between the grille and the door slot 5 are sealed, entry of seawater is physically blocked, and attachment of sundries such as marine organisms is avoided. Before the grille is lifted, the inflatable part 21 of the sealing air bag 2 is deflated, and the inflatable part 21 is separated from the side edge of the door slot 5 and the grille, so that the lifting of the coarse grille is not influenced.
Referring to fig. 4-5, in some embodiments, an inflatable portion 21 is provided outside the gap between the door slot 5 and the movable member 1, the inflatable portion 21 compressing the outside of the gap between the door slot 5 and the movable member 1 in the inflated state.
Referring to fig. 6-7, in other embodiments, a portion of the inflatable portion 21 protrudes into the gap between the door slot 5 and the movable member 1, and the inflatable portion 21 compresses the gap between the door slot 5 and the movable member 1 in the inflated state, compressing the inside of the gap between the door slot 5 and the movable member 1.
Preferably, the mounting assembly 3 includes a mounting pressing plate 31 and a fixing member 32, the mounting pressing plate 31 surrounds and defines a mounting groove 33 and an opening 34 communicating the inside and the outside of the mounting groove 33, the second support portion 23 of the sealing airbag 2 is provided in the mounting groove 33, the fixing member 32 fixes the second support portion 23 in the mounting groove 33, the first support portion 22 passes through the opening 34, one side of the first support portion 22 is connected to the second support portion 23 in the mounting groove 33, and the other side is connected to the air charging portion 21 outside the mounting groove 33. The mounting pressing plate 31 is connected with the movable part 1 through a connecting piece, so that the mounting pressing plate is mounted on the movable part 1, or the mounting pressing plate 31 is welded on the movable part 1. The opening 34 is open in a direction perpendicular to the mounting groove 33.
Preferably, the second support portion 23 is flat, and the shape of the mounting groove 33 corresponds to the second support portion 23.
Preferably, the first support 22 is perpendicular to the second support 23, so that the first support 22 and the second support 23 form a "T" shape.
Preferably, the fixing member 32 penetrates into the mounting groove 33 and presses the second support portion 23 to fix the second support portion 23. The fixing member 32 may be a screw, which is inserted into the mounting groove 33 from the outside of the mounting platen 31 to press the second supporting portion 23, or a threaded hole is formed in the second supporting portion 23, and the fixing member 32 is screwed into the threaded hole. The sealing airbag 2 is mounted on the left and right sides and the bottom side of the front and rear sides of the movable part 1 through the mounting assembly 3.
Preferably, the second support 23 has a second anti-slip structure 231 on its surface, and the second anti-slip structure 231 contacts the inner wall of the installation groove 33 to increase friction between the second support 23 and the installation groove 33, prevent the sealing airbag 2 from slipping, and improve installation firmness. The second anti-slip structure 231 may have an uneven shape.
Preferably, the surface of the inflating part 21 of the sealing airbag 2 is provided with a first anti-slip structure 211 contacting the door slot 5 and/or the movable part 1, so as to increase friction between the inflating part 21 and the door slot 5 and/or the movable part 1, prevent the sealing from loosening, and achieve good sealing effect. The first anti-slip structure 211 may have an uneven shape.
Preferably, one end of the inflating part 21 of the sealing airbag 2 is provided with an air supply pipe joint, the other end is provided with a plug, an external air source is connected with the air supply pipe joint to inflate the inflating part 21, and the inflating part 21 is deflated after opening the plug.
In summary, the device for preventing sundries in the gate slot of the inlet sluice gate from adhering to each other inflates the inflation part 21 of the sealing air bag 2 to generate expansion deformation, compresses and seals the gap between the movable part 1 and the gate slot 5, physically blocks the seawater from entering the gap, and prevents the attachment and growth of marine organisms, thereby eliminating or reducing the cleaning and overhauling period of the marine organisms and reducing the safety risk of project overhauling industry. Before the movable part 1 is lifted, the inflatable part 21 of the sealing air bag 2 is deflated, and the gap between the door slot 5 and the movable part 1 is separated, so that the lifting of the coarse grille is not influenced. The first anti-slip structure 211 can improve friction with the inflatable part 21 and the door slot 5 and/or the movable part 1, prevent loosening and achieve good sealing effect; the second anti-slip structure 231 can increase friction between the second support portion 23 and the mounting groove 33, prevent the sealing airbag 2 from sliding, and improve the mounting firmness.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications, combinations and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A device for preventing sundries in a gate slot of an inlet sluice gate from adhering, which is characterized by comprising a movable part (1) matched with the gate slot (5) and capable of lifting along the gate slot (5), a sealing air bag (2) used for sealing a gap between the movable part (1) and the gate slot (5) and a mounting assembly (3) used for mounting the sealing air bag (2) on the movable part (1), wherein the mounting assembly (3) is arranged on the movable part (1) and is positioned beside the gap between the movable part (1) and the gate slot (5), the sealing air bag (2) comprises an inflating part (21), a first supporting part (22) supporting the inflating part (21) and a second supporting part (23) supporting the first supporting part (22), the mounting assembly (3) is used for fixing the second supporting part (23), the position of the inflating part (21) corresponds to the gap between the movable part (1) and the gate slot (5), and the inflating part (21) is separated from the gap (1) along with the gate slot (5), and the inflating part (1) is lifted along with the gap (5); in a state in which the movable member (1) is lowered and the inflation portion (21) is inflated, the inflation portion (21) compresses and seals a gap between the movable member (1) and the door slot (5);
the inflating part (21) is arranged at the outer side of a gap between the door slot (5) and the movable part (1), and the inflating part (21) is pressed at the outer side of the gap between the door slot (5) and the movable part (1) in an inflating state; or, a part of the inflating part (21) extends into a gap between the door slot (5) and the movable part (1), and the inflating part (21) presses the gap between the door slot (5) and the movable part (1) in an inflated state and presses the inner side of the gap between the door slot (5) and the movable part (1);
the installation component (3) is including installation clamp plate (31) and mounting (32), installation clamp plate (31) are defined mounting groove (33) and are linked together opening (34) inside and outside mounting groove (33), second supporting part (23) are established in mounting groove (33), mounting (32) are fixed second supporting part (23), first supporting part (22) are passed opening (34), one side of first supporting part (22) is connected second supporting part (23), the another side is connected outside mounting groove (33) inflatable part (21).
2. Device for preventing the attachment of impurities in the gate slot of an inlet sluice gate according to claim 1, characterised in that the movable element (1) is a grating or a gate.
3. The device for preventing the attachment of impurities in the inlet sluice gate slot according to claim 1, characterized in that the second support part (23) is flat, and the shape of the mounting groove (33) corresponds to the second support part (23).
4. A device for preventing attachment of inlet sluice gate slot impurities according to claim 3, characterised in that the first support (22) is perpendicular to the second support (23).
5. A device for preventing attachment of impurities in the inlet sluice gate slot according to claim 1, characterised in that the fixing element (32) penetrates into the mounting slot (33) and presses the second support (23).
6. The device for preventing the attachment of sundries in the inlet sluice gate slot according to claim 1, characterized in that the second support part (23) is provided with a second anti-slip structure (231) on the surface, and the second anti-slip structure (231) contacts the inner wall of the installation slot (33).
7. Device for preventing the attachment of impurities in the gate slot of an inlet sluice gate according to claim 1, characterised in that the surface of the inflatable part (21) is provided with a first anti-slip structure (211) contacting the gate slot (5) and/or the movable part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210371495.3A CN115094838B (en) | 2022-04-12 | 2022-04-12 | Device for preventing sundries in inlet sluice gate slot from adhering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210371495.3A CN115094838B (en) | 2022-04-12 | 2022-04-12 | Device for preventing sundries in inlet sluice gate slot from adhering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115094838A CN115094838A (en) | 2022-09-23 |
| CN115094838B true CN115094838B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210371495.3A Active CN115094838B (en) | 2022-04-12 | 2022-04-12 | Device for preventing sundries in inlet sluice gate slot from adhering |
Country Status (1)
| Country | Link |
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| CN (1) | CN115094838B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263391A (en) * | 1969-01-07 | 1972-02-09 | Coplastix Ltd | Improvements in or relating to fluid-flow control valves |
| GB9102235D0 (en) * | 1991-02-01 | 1991-03-20 | Thomas Christopher R E | Floodgate |
| CN201292737Y (en) * | 2008-10-10 | 2009-08-19 | 陈振越 | Doorway waterproof gate |
| CN201386463Y (en) * | 2009-04-21 | 2010-01-20 | 湖南银宝科技发展有限公司 | Waterproof system for vault door |
| US7815397B1 (en) * | 2009-08-12 | 2010-10-19 | Chen-Yuan Dung | Expansion-sealed flood control gate |
| CN105421304A (en) * | 2016-01-08 | 2016-03-23 | 上海核工程研究设计院 | Transformation scheme of water sluice gate groove of material change pond of nuclear power plant |
| CN210117698U (en) * | 2019-06-18 | 2020-02-28 | 王建成 | Water conservancy water and electricity dyke is drainage flashboard for engineering |
| CN210122707U (en) * | 2019-04-02 | 2020-03-03 | 孙飞 | Gate inflation water stop protection device |
| CN111021311A (en) * | 2019-11-26 | 2020-04-17 | 浙江水利水电学院 | High leakproofness's gate for hydraulic engineering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2982972C (en) * | 2001-07-09 | 2019-01-29 | Henry K. Obermeyer | Water control gate and actuator therefore |
-
2022
- 2022-04-12 CN CN202210371495.3A patent/CN115094838B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263391A (en) * | 1969-01-07 | 1972-02-09 | Coplastix Ltd | Improvements in or relating to fluid-flow control valves |
| GB9102235D0 (en) * | 1991-02-01 | 1991-03-20 | Thomas Christopher R E | Floodgate |
| CN201292737Y (en) * | 2008-10-10 | 2009-08-19 | 陈振越 | Doorway waterproof gate |
| CN201386463Y (en) * | 2009-04-21 | 2010-01-20 | 湖南银宝科技发展有限公司 | Waterproof system for vault door |
| US7815397B1 (en) * | 2009-08-12 | 2010-10-19 | Chen-Yuan Dung | Expansion-sealed flood control gate |
| CN105421304A (en) * | 2016-01-08 | 2016-03-23 | 上海核工程研究设计院 | Transformation scheme of water sluice gate groove of material change pond of nuclear power plant |
| CN210122707U (en) * | 2019-04-02 | 2020-03-03 | 孙飞 | Gate inflation water stop protection device |
| CN210117698U (en) * | 2019-06-18 | 2020-02-28 | 王建成 | Water conservancy water and electricity dyke is drainage flashboard for engineering |
| CN111021311A (en) * | 2019-11-26 | 2020-04-17 | 浙江水利水电学院 | High leakproofness's gate for hydraulic engineering |
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| Publication number | Publication date |
|---|---|
| CN115094838A (en) | 2022-09-23 |
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