CN112129463A - Air cooler water leakage monitoring device in wind tunnel - Google Patents
Air cooler water leakage monitoring device in wind tunnel Download PDFInfo
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- CN112129463A CN112129463A CN202011076329.8A CN202011076329A CN112129463A CN 112129463 A CN112129463 A CN 112129463A CN 202011076329 A CN202011076329 A CN 202011076329A CN 112129463 A CN112129463 A CN 112129463A
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- water
- air cooler
- water leakage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000237509 Patinopecten sp. Species 0.000 description 5
- 235000020637 scallop Nutrition 0.000 description 5
- 230000002026 carminative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a water leakage monitoring device for an air cooler in a wind tunnel, and belongs to the technical field of hydropower stations. The technical scheme is as follows: the water receiving tank is arranged below the air cooler, the water leakage sensor is arranged in the water receiving tank, and the fixing structure is used for fixing the water leakage sensor; fixed knot constructs including circular briquetting, semicircle roof and sets up the semicircle curb plate in semicircle dome board edge, be provided with the screw rod through threaded connection on the semicircle roof, the up end of circular briquetting be provided with screw rod complex blind hole, circular briquetting is pressed on the sensor that leaks and is fixed through the screw rod, be connected through the telescopic joint between air cooler and the cooling water delivery pipe, the cover is equipped with the water receiving cover on the telescopic joint, the water receiving cover is formed by two upper and lower semicircular cover body concatenations, the lower cover body passes through the drain pipe and is connected with the water receiving tank. The invention has the beneficial effects that: water leaks in the air cooler can be monitored.
Description
Technical Field
The invention relates to the technical field of hydropower stations, in particular to a water leakage monitoring device for an air cooler in a wind tunnel.
Background
The pumped storage power station pumps water to an upper reservoir by using electric energy in the low ebb period of the electric load and discharges water to a hydropower station for generating power in a lower reservoir in the peak period of the electric load. High-water level water of an upper reservoir flows into a factory building through a water diversion system to push a water turbine generator set to generate electric energy, and then the electric energy is input into a power grid through a step-up transformer, a switching station and a power transmission line, a plurality of large-scale water turbine generators are cooled by adopting closed self-circulation air, and a cold water pipe is arranged in an air cooler; in addition, in addition to water leakage from the air cooler itself, water leakage also occurs at the connection between the cooling water supply pipe and the air cooler.
When the unit is restarted after the overhaul is finished, residual gas exists in a water circulation pipe of the air cooler, and the working efficiency of the air cooler is influenced.
Disclosure of Invention
The invention aims to provide a device capable of monitoring the water leakage condition of an air cooler.
The invention is realized by the following technical scheme: a water leakage monitoring device for an air cooler in a wind tunnel is characterized by comprising a water receiving tank arranged below the air cooler, a water leakage sensor arranged in the water receiving tank and a fixing structure for fixing the water leakage sensor;
the fixing structure comprises a circular pressing block, a semicircular top plate and a semicircular ring side plate arranged at the edge of the semicircular top plate, a screw rod is arranged on the semicircular top plate in a threaded connection mode, a blind hole matched with the screw rod is formed in the upper end face of the circular pressing block, the circular pressing block is pressed on the water leakage sensor and is pressed tightly through the screw rod, and the semicircular ring side plate is fixed on the water receiving tank;
the air cooler is connected with the cooling water supply pipe through an expansion joint, a water receiving cover is sleeved on the expansion joint and formed by splicing a semicircular upper cover body and a semicircular lower cover body, and the lower cover body is connected with the water receiving groove through a drain pipe.
The lower cover body and the upper cover body can be fixed through welding, bolt connection or other connection modes.
The water leakage sensor is characterized by further comprising an exhaust pipe communicated with a water circulating pipe of the air cooler, wherein the exhaust pipe extends into the water receiving groove and the exhaust port faces the water leakage sensor. When the unit overhauls after finishing restart, air cooler's hydrologic cycle intraductal has remaining gas, has influenced air cooler's work efficiency, has consequently set up the blast pipe can be discharged through the blast pipe when washing by water, and carminative in-process also can have water, consequently can pass through in advance the blast pipe is discharged to improve air cooler's work efficiency, can also monitor discharged moisture simultaneously, be provided with the valve on the blast pipe.
And a threading opening of the water leakage sensor is reserved in the central position of the circular pressing block.
The round pressing block and the semicircular top plate are arranged concentrically, a semicircular boss is arranged on the round pressing block and located in one half of the interior of the semicircular top plate, the blind hole is formed in the boss, and a waterproof curved surface with a high middle part and low two ends is arranged on the other half of the interior of the semicircular top plate. Therefore, water can be prevented from splashing on the screw to rust and influence the service life.
The circular pressing block is arranged outside the half-dome plate and is provided with a fan-shaped opening communicated with the threading opening, a fan-shaped block in contact with the side wall of the fan-shaped opening is inserted into the fan-shaped opening, a vertical plate is arranged at the upper end of the fan-shaped block, an arc-shaped plate is arranged on the vertical plate, and the arc-shaped plate is sleeved on the screw rod and is fixed through a nut. When the water leakage sensor needs to be replaced, the water leakage sensor and the electric wire can be taken out by detaching the fan-shaped block without detaching the whole fixing structure.
And a bracket is arranged on the fan-shaped block and positioned on the outer side of the vertical plate, and a pipe clamp is arranged on the bracket. The wire protective tube of the water leakage sensor can be conveniently fixed.
Semicircular ring plates are arranged on the inner walls of the two end faces of the upper cover body and the lower cover body, a water-stop plate is externally connected to the other end of each semicircular ring plate, and a water guide plate is arranged at the edge of each water-stop plate; the outer diameter of the water guide plate is larger than that of the water stop plate, the water guide plate is in contact with the telescopic joint, if the telescopic joint leaks water, the water guide plate can flow into the lower cover body, and water is prevented from flowing out of the connection position of the water receiving cover and the telescopic joint.
The water guide plate of the lower cover body is provided with a plurality of water filtering holes. Because the water in the water receiving cover is remained on the lower cover body, the water can flow out through the water filtering holes.
A plurality of springs are uniformly distributed on the water-stop sheet of the lower cover body, and annular top plates are arranged on the springs. The annular top plate can be propped against the telescopic joint to conveniently fix the water receiving cover.
The water leakage sensor can adopt the prior art and can be connected with a corresponding control system, and the details are not repeated.
The invention has the beneficial effects that: a device for monitoring the water leakage of an air cooler.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the water leakage sensor and the fixing structure.
Fig. 4 is a schematic structural diagram of the upper cover body.
Fig. 5 is a schematic structural diagram of the lower cover.
Fig. 6 is a schematic structural view of the lower cover and the expansion joint.
Fig. 7 is a partial enlarged view of fig. 6 at B.
Fig. 8 is a schematic view of a fixing structure in the second embodiment.
Wherein the reference numerals are: 1. an air cooler; 2. a water receiving tank; 3. a water receiving cover; 4. a water leakage sensor; 5. a fixed structure; 6. an expansion joint; 8. a cooling water supply pipe; 101. an exhaust pipe; 301. a drain pipe; 302. an upper cover body; 303. a lower cover body; 304. a semicircular ring plate; 305. a water-stop sheet; 306. a water guide plate; 307. a spring; 308. an annular top plate; 309. water filtering holes; 501. a half dome plate; 502. a semicircular side plate; 503. a screw; 504. a circular pressing block; 505. in that respect 506. A threading opening; 507. a sector block; 058. a vertical plate; 509. an arc-shaped plate; 510. a nut; 511. and (6) pipe clamping.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The first embodiment is as follows:
referring to fig. 1-7, the invention is a water leakage monitoring device for an air cooler in a wind tunnel, comprising a water receiving tank 2 arranged below an air cooler 1, a water leakage sensor 4 arranged in the water receiving tank 2 and a fixing structure 5 for fixing the water leakage sensor 4;
the fixing structure 5 comprises a circular pressing block 504, a semicircular top plate 501 and a semicircular ring side plate 502 arranged at the edge of the semicircular top plate 501, a screw 503 is arranged on the semicircular top plate 501 through threaded connection, a blind hole matched with the screw 503 is arranged on the upper end face of the circular pressing block 504, the circular pressing block 504 is pressed on the water leakage sensor 4 and is pressed tightly through the screw 503, and the semicircular ring side plate 502 is fixed on the water receiving tank 2;
the air cooler 1 is connected with the cooling water supply pipe 8 through the expansion joint 6, the expansion joint 6 is sleeved with the water receiving cover 3, the water receiving cover 3 is formed by splicing a semicircular upper cover body 302 and a semicircular lower cover body 303, and the lower cover body 303 is connected with the water receiving tank 2 through a drain pipe 301.
The water-saving air cooler also comprises an exhaust pipe 101 communicated with the water circulating pipe of the air cooler 1, wherein the exhaust pipe 101 extends into the water receiving tank 2, and an exhaust port faces the water leakage sensor 4. When the unit overhauls after finishing restart, there is remaining gas in air cooler 1's the hydrologic cycle pipe, has influenced air cooler 1's work efficiency, has consequently set up blast pipe 101, can exhaust through blast pipe 101 when the bath, and carminative in-process also can have water, consequently can exhaust through blast pipe 101 in advance to improve air cooler 1's work efficiency, can also monitor discharged moisture simultaneously.
A threading opening 506 of the water leakage sensor 4 is reserved in the center of the circular pressing block 504.
The circular briquetting 504 is gone up and the outside that is located half dome board 501 is provided with the scallop mouth that communicates with threading mouth 506, and the grafting has the scallop 507 with the contact of scallop mouth lateral wall in the scallop mouth, and the upper end of scallop 507 is provided with riser 508, is provided with the arc 509 on the riser 508, and the arc 509 cup joints on screw 503 and fixes through nut 510. When the water leakage sensor 4 needs to be replaced, the water leakage sensor 4 and the electric wires can be taken out by removing the segments 507 without disassembling the entire fixing structure 5.
A bracket is arranged on the fan-shaped block 507 and positioned on the outer side of the vertical plate 508, and a pipe clamp 511 is arranged on the bracket. The wire protective tube of the water leakage sensor 4 can be conveniently fixed, and the tube clamp 511 is annular, and two ends of the tube clamp are fixed through bolts.
The water guide plate 306 of the lower cover 303 is provided with a plurality of water filtering holes 309. Water at the joint of the water receiving cover 3 and the expansion joint 6 can flow out through the water filtering holes 309.
A plurality of springs 307 are uniformly distributed on the water-stop plate 305 of the lower cover body 303, and an annular top plate 308 is arranged on the springs 307. The ring-shaped top plate 308 can be abutted on the telescopic joint 6 to fix the water jacket 3.
The water leakage sensor 4 may be of the prior art and may be connected to a corresponding control system, which will not be described in detail herein.
Example two:
different from the first embodiment, the circular pressing block 504 and the semicircular top plate 501 of the fixing structure 5 in the second embodiment are concentrically arranged, a semicircular boss is arranged on a half part of the circular pressing block 504, which is located inside the semicircular top plate 501, a blind hole is arranged on the boss, and a waterproof curved surface with a high middle part and low two ends is arranged on the other half part. Therefore, water can be prevented from splashing on the screw 503 to rust and influence the service life.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, e.g. as being 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 meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (8)
1. A water leakage monitoring device for an air cooler in a wind tunnel is characterized by comprising a water receiving tank arranged below the air cooler, a water leakage sensor arranged in the water receiving tank and a fixing structure for fixing the water leakage sensor;
the fixing structure comprises a circular pressing block, a semicircular top plate and a semicircular ring side plate arranged at the edge of the semicircular top plate, a screw rod is arranged on the semicircular top plate in a threaded connection mode, a blind hole matched with the screw rod is formed in the upper end face of the circular pressing block, the circular pressing block is pressed on the water leakage sensor and is pressed tightly through the screw rod, and the semicircular ring side plate is fixed on the water receiving tank;
the air cooler is connected with the cooling water supply pipe through an expansion joint, a water receiving cover is sleeved on the expansion joint and formed by splicing a semicircular upper cover body and a semicircular lower cover body, and the lower cover body is connected with the water receiving groove through a drain pipe.
2. The wind tunnel air cooler water leakage monitoring device according to claim 1, further comprising an exhaust pipe in communication with a water circulation pipe of the air cooler, the exhaust pipe extending into the water receiving tank and an exhaust port facing the water leakage sensor.
3. The wind tunnel air cooler water leakage monitoring device according to claim 1, wherein a threading opening of the water leakage sensor is reserved at the center of the circular pressing block.
4. The wind tunnel air cooler water leakage monitoring device according to claim 2, characterized in that the circular pressing block and the semicircular top plate are concentrically arranged, a semicircular boss is arranged on one half portion of the circular pressing block located inside the semicircular top plate, the blind hole is arranged on the boss, and a waterproof curved surface with a high middle portion and low ends is arranged on the other half portion of the circular pressing block.
5. The wind tunnel air cooler water leakage monitoring device according to claim 2, wherein a fan-shaped opening communicated with the threading opening is formed in the circular pressing block and located outside the half-dome plate, a fan-shaped block in contact with the side wall of the fan-shaped opening is inserted into the fan-shaped opening, a vertical plate is arranged at the upper end of the fan-shaped block, an arc-shaped plate is arranged on the vertical plate, and the arc-shaped plate is sleeved on the screw rod and fixed through a nut.
6. The wind tunnel air cooler water leakage monitoring device according to claim 5, characterized in that a bracket is arranged on the fan-shaped block and outside the vertical plate, and a pipe clamp is arranged on the bracket.
7. The wind tunnel air cooler water leakage monitoring device according to claim 1, characterized in that the inner walls of the two end faces of the upper cover body and the lower cover body are respectively provided with a semicircular ring plate, the other end of the semicircular ring plate is externally connected with a water-stop plate, and the edge of the water-stop plate is provided with a water guide plate;
the water guide plate of the lower cover body is provided with a plurality of water filtering holes.
8. The wind tunnel air cooler water leakage monitoring device according to claim 1, wherein a plurality of springs are evenly distributed on the water-stop plate of the lower cover body, and an annular top plate is arranged on each spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076329.8A CN112129463A (en) | 2020-10-10 | 2020-10-10 | Air cooler water leakage monitoring device in wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076329.8A CN112129463A (en) | 2020-10-10 | 2020-10-10 | Air cooler water leakage monitoring device in wind tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112129463A true CN112129463A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011076329.8A Pending CN112129463A (en) | 2020-10-10 | 2020-10-10 | Air cooler water leakage monitoring device in wind tunnel |
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| CN (1) | CN112129463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008465A (en) * | 2021-01-25 | 2021-06-22 | 湖南省水利投地方电力有限公司 | System for detecting and isolating water leakage of generator cooler of hydropower station |
-
2020
- 2020-10-10 CN CN202011076329.8A patent/CN112129463A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008465A (en) * | 2021-01-25 | 2021-06-22 | 湖南省水利投地方电力有限公司 | System for detecting and isolating water leakage of generator cooler of hydropower station |
| CN113008465B (en) * | 2021-01-25 | 2023-04-14 | 湖南省水利投地方电力有限公司 | System for detecting and isolating water leakage of generator cooler of hydropower station |
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