CN216695417U - Tool for detecting leakage of tube bundle in cooling triangle - Google Patents
Tool for detecting leakage of tube bundle in cooling triangle Download PDFInfo
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- CN216695417U CN216695417U CN202123295222.5U CN202123295222U CN216695417U CN 216695417 U CN216695417 U CN 216695417U CN 202123295222 U CN202123295222 U CN 202123295222U CN 216695417 U CN216695417 U CN 216695417U
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- tower
- connecting rod
- tower body
- hydraulic jack
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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 utility model provides a tool for detecting leakage of a cooling triangular middle tube bundle, which is arranged between a tower body and a tower support and comprises two triangular support frames fixedly connected with the tower support, wherein the two support frames are respectively positioned at two sides of the tower body, a channel steel and a hydraulic jack are respectively fixed on the two triangular support frames, the length direction of the channel steel is parallel to the height direction of the tower body, a connecting rod is arranged between the channel steel and the tower body, one end of the connecting rod is fixedly connected with the tower body, the other end of the connecting rod is in sliding connection with the channel steel, and an output shaft of the hydraulic jack is fixedly connected with the connecting rod. The utility model can stably support the tower body of the indirect cooling tower, reduce the shaking generated when the tower body is supported, reduce the possibility of tube bundle breakage, achieve the purpose of conveniently detaching the header and further reduce the cost of leak detection.
Description
Technical Field
The utility model relates to the field of tube bundle leak detection, in particular to a tool for detecting leak of a tube bundle in a cooling triangle.
Background
The cooling delta unit is a core heat transfer unit of a natural ventilation direct air cooling system or a natural ventilation indirect air cooling system, the exhaust steam of a steam turbine of the natural ventilation direct air cooling system or the circulating water of the natural ventilation indirect air cooling system is cooled by ambient air through the cooling delta unit, the cooling performance of the cooling delta unit is directly related to the economy and the stability of the direct air cooling system, leakage often occurs in a cooling tower between large-scale cooling deltas, the problem is ubiquitous, and maintenance workers need to regularly perform leak detection on the inter-cooling tower of the cooling deltas.
When the tube bundle is subjected to leak detection, the lower header is arranged at the bottom of the indirect cooling tower, on one hand, the lower header collects circulating water in the tube bundle, on the other hand, the lower header supports the tube bundle, namely, the lower header is positioned between the tube bundle and the tower body bracket, and the lower header is difficult to remove because the tube bundle tightly presses the lower header on the tower body bracket; for the problem, a worker in the field usually selects large hoisting equipment to hoist the tower body, and then dismantles the lower header, so that the workload is large, the leak detection cost is high each time, and the maintenance cost is increased for enterprises; secondly, because the body of the tower is very high, can reach tens of meters even, when being hoisted, take place to rock easily, when rocking the angle great, further easy cause the tube bank to break.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool for detecting the leakage of a tube bundle in a cooling triangle, which can stably support a tower body of an indirect cooling tower, reduce the shaking generated when the tower body is supported, reduce the possibility of breakage of the tube bundle, achieve the aim of conveniently detaching a header and further reduce the cost of detecting the leakage, and solve the problems in the prior art.
The embodiment of the utility model is realized by the following technical scheme: the utility model provides a leak hunting instrument of tub bundle leak hunting usefulness in cooling triangle installs between body of the tower and tower support, includes two triangular supports frame with tower support fixed connection, two the support frame is located the body of the tower both sides respectively, two all be fixed with channel-section steel and hydraulic jack on the triangular supports frame, the length direction of channel-section steel is parallel with the direction of height of body of the tower, be provided with the connecting rod between channel-section steel and the body of the tower, the one end and the body of the tower fixed connection of connecting rod, the other end and the channel-section steel sliding connection of connecting rod, hydraulic jack's output shaft and connecting rod fixed connection.
Furthermore, a plurality of cushion blocks are arranged between the output shaft of the hydraulic jack and the connecting rod, and the geometric sizes of the cushion blocks are sequentially increased from the hydraulic jack to the connecting rod.
Furthermore, the median line of the connecting rod, the median lines of the cushion blocks and the axis of the hydraulic jack are collinear.
Furthermore, a sliding block is fixed at one end of the connecting rod, and the sliding block is arranged in the channel steel and is in sliding connection with the channel steel; the other end of the connecting rod is fixedly connected with a connecting block, and the connecting block is fixedly connected with the tower body.
The tower further comprises supporting blocks, and after the tower body is separated from the tower bracket, the supporting blocks are supported between the bottom of the tower body and the top of the tower bracket.
The tower further comprises a conical plug, and the plug plugs the tube bundle of the tower body.
Further, the oil inlet pipes of the hydraulic jacks are connected in parallel.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:
1. the tower body is supported by the hydraulic jack, so that the tower body is separated from the tower support, and the purpose of conveniently disassembling the header is achieved;
2. according to the utility model, the tower body is limited through the channel steel, so that the tower body is prevented from deviating and shaking, the possibility that the tube bundle is broken when the tower body moves is reduced, and the tower body can be correctly installed on the tower support after leakage detection is finished.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the tower body of the present invention after being supported;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a schematic view of a plug structure disclosed in the present invention;
icon: 1-a triangular support frame; 2-a hydraulic jack; 3, connecting blocks; 4-a tower body; 5-a tower support; 6-a supporting block; 7-lower header; 8-connecting rod; 9-channel steel; 10-a slide block; 11-cushion block.
Detailed Description
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a tool for leak detection of a cooling triangular middle tube bundle is installed between a tower body 4 and a tower support 5, and comprises two triangular support frames 1 fixedly connected with the tower support 5, wherein the triangular support frames 1 are strong in stability and high in support capacity, and the triangular support frames 1 are main stress components; the two support frames are respectively positioned on two sides of the tower body 4, so that two sides of the tower body 4 can be stressed, and a foundation is provided for the tower body 4 to be vertically and upwards supported; the two triangular support frames 1 are respectively fixed with a channel steel 9 and a hydraulic jack 2, the length direction of the channel steel 9 is parallel to the height direction of the tower body 4, the channel steel 9 limits the tower body 4, the tower body 4 is prevented from shifting and shaking, the possibility that the tube bundle is broken when the tower body 4 moves is reduced, the tower body 4 can be correctly arranged on the tower support 5 after the leakage detection is finished, a connecting rod 8 is arranged between the channel steel 9 and the tower body 4, one end of the connecting rod 8 is fixedly connected with the tower body 4, the other end of the connecting rod 8 is connected with the channel steel 9 in a sliding way, the output shaft of the hydraulic jack 2 is fixedly connected with a connecting rod 8, the connecting rod 8 moves upwards under the action of the hydraulic jack 2, thereby driving the tower body 4 to move upwards, realizing that the tower body 4 is supported by the hydraulic jack 2, separating the tower body 4 from the tower bracket 5 and achieving the purpose of conveniently dismounting the header 7.
In this embodiment, in order to reduce the local pressure of the output shaft of the hydraulic jack 2 on the connecting rod 8, and to enable the force given to the connecting rod 8 by the hydraulic jack 2 to be uniformly distributed on the connecting rod 8, a plurality of cushion blocks 11 are arranged between the output shaft of the hydraulic jack 2 and the connecting rod 8, and from the hydraulic jack 2 to the connecting rod 8, the geometric dimensions of the cushion blocks 11 are sequentially increased, and the force is uniformly distributed and transmitted step by step, that is, the local pressure of the hydraulic jack 2 on the connecting rod 8 is reduced, and the weight of the used cushion blocks 11 is also reduced (the purpose of reducing the local pressure can be achieved if the geometric dimensions of the cushion blocks 11 are the same, but if each cushion block 11 is large, the total mass will be large).
In the present embodiment, in order to further evenly distribute the force of the hydraulic jack 2 on the connecting rod 8, the median line of the connecting rod 8, the median lines of the plurality of blocks 11 and the axis of the hydraulic jack 2 are collinear.
In this embodiment, because the cross-sectional area of the connecting rod 8 is relatively small, the connecting rod 8 is stably connected with the channel steel 9 and the tower body, for this reason, a slider 10 is fixed at one end of the connecting rod 8, and the slider 10 is arranged in the channel steel 9 and is slidably connected with the channel steel 9; the other end of the connecting rod 8 is fixedly connected with a connecting block 3, and the connecting block 3 is fixedly connected with the tower body 4.
Further, the preferred connection position of connecting block 3 is close to the bottom of body of the tower, because the steel intensity of body of the tower bottom is great relatively other positions, guarantees joint strength.
In this embodiment, because the working time of detaching the header 7 and the leak detection tube bundle is long, the hydraulic jack 2 supports the tower body 4 and the triangular support frame 1 through the connecting rod 8, and the like, and is easily damaged under the condition of time stress, for this purpose, the leak detection tube bundle further comprises the supporting block 6, after the tower body 4 is separated from the tower support 5, the supporting block 6 is supported between the bottom of the tower body 4 and the top of the tower support 5, and after the supporting block 6 supports the tower body 4, the output force of the hydraulic jack 2 can be detached.
As shown in fig. 3, in this embodiment, the tower further includes a plug, the plug is a cone, the cone can adapt to multiple tube bundles of medium and medium specifications, and the plug plugs the tube bundle of the tower body 4.
In this embodiment, in order to further enable the tower body 4 to be stable and supported along the vertical upward direction, and avoid the situation that the tower body 4 is inclined due to unequal stress at two ends of the tower body 4, the oil inlet pipes of the hydraulic jacks 2 are connected in parallel, the oil pressures in the two hydraulic jacks 2 are the same, and the output forces are also the same.
In this embodiment, the leak detection of the cooling triangular tube bundle using the tool for leak detection of the cooling triangular tube bundle is performed as follows:
s1: the tool is installed according to the connection mode in the embodiment, and a liquid inlet pipe of the hydraulic jack 2 is connected with a hydraulic pump;
s2, the hydraulic jack 2 receives hydraulic pressure, the output shaft of the hydraulic jack 2 outputs force to the connecting rod 8 to push the connecting rod 8 to move upwards, the connecting rod 8 drives the tower body 4 to move upwards, and the channel steel 9 limits the tower body 4 (equivalent to a guiding effect) through the sliding block 10 and the connecting rod 8 to prevent the tower body 4 from deviating or shaking;
s3: after the tower body 4 is supported to the height that the header 7 can be detached, a supporting block 6 is arranged between the tower bracket 5 and the tower body 4, the supporting block 6 cannot support the lower header 7, the supporting block 6 is positioned between the outer wall of the tower body 4 and the outer side of the lower header 7, and after the supporting block 6 is installed, the output force of the hydraulic jack 2 can be gradually detached;
s4: the lower header 7 is removed to expose the tube bundle;
s5: blocking the liquid outlet of the tube bundle by using a plug;
s6: and (3) removing the upper header (the upper header is positioned at the top of the tower body 4 and collects the liquid inlet of the tube bundle), adding liquid (such as water) into the tube bundle, and when the liquid level in a certain tube bundle is found to be reduced, indicating that the tube bundle is leaked and needing to be subjected to subsequent treatment.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a leak hunting instrument of usefulness is restrainted in cooling triangle, installs between body of the tower (4) and tower support (5), its characterized in that: include two triangular supports (1) with tower support (5) fixed connection, two the support frame is located body of the tower (4) both sides respectively, two all be fixed with channel-section steel (9) and hydraulic jack (2) on triangular supports (1), the length direction of channel-section steel (9) is parallel with the direction of height of body of the tower (4), be provided with connecting rod (8) between channel-section steel (9) and body of the tower (4), the one end and body of the tower (4) fixed connection of connecting rod (8), the other end and channel-section steel (9) sliding connection of connecting rod (8), the output shaft and connecting rod (8) fixed connection of hydraulic jack (2).
2. The tool for bundle in cooling delta leak detection according to claim 1, characterized in that: a plurality of cushion blocks (11) are arranged between the output shaft of the hydraulic jack (2) and the connecting rod (8), and the geometric dimensions of the cushion blocks (11) are sequentially increased from the hydraulic jack (2) to the connecting rod (8).
3. The tool for bundle in cooling delta leak detection according to claim 2, characterized in that: the median line of the connecting rod (8), the median lines of the cushion blocks (11) and the axis of the hydraulic jack (2) are collinear.
4. The tool for bundle in cooling delta leak detection according to claim 1, characterized in that: a sliding block (10) is fixed at one end of the connecting rod (8), and the sliding block (10) is arranged in the channel steel (9) and is in sliding connection with the channel steel (9); the other end of the connecting rod (8) is fixedly connected with the connecting block (3), and the connecting block (3) is fixedly connected with the tower body (4).
5. The tool for leak detection of the tube bundle in the cooling triangle according to claim 1, is characterized in that: the tower is characterized by further comprising a supporting block (6), and after the tower body (4) is separated from the tower support (5), the supporting block (6) is supported between the bottom of the tower body (4) and the top of the tower support (5).
6. The tool for bundle in cooling delta leak detection according to claim 1, characterized in that: the tower body is characterized by further comprising a conical plug, and the plug plugs the tube bundle of the tower body (4).
7. The tool for bundle in cooling delta leak detection according to claim 1, characterized in that: and oil inlet pipes of the hydraulic jacks (2) are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295222.5U CN216695417U (en) | 2021-12-23 | 2021-12-23 | Tool for detecting leakage of tube bundle in cooling triangle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295222.5U CN216695417U (en) | 2021-12-23 | 2021-12-23 | Tool for detecting leakage of tube bundle in cooling triangle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216695417U true CN216695417U (en) | 2022-06-07 |
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ID=81843199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123295222.5U Active CN216695417U (en) | 2021-12-23 | 2021-12-23 | Tool for detecting leakage of tube bundle in cooling triangle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216695417U (en) |
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2021
- 2021-12-23 CN CN202123295222.5U patent/CN216695417U/en active Active
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