CN210108635U - Special leak detection device for steam turbine condenser - Google Patents
Special leak detection device for steam turbine condenser Download PDFInfo
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- CN210108635U CN210108635U CN201921404929.5U CN201921404929U CN210108635U CN 210108635 U CN210108635 U CN 210108635U CN 201921404929 U CN201921404929 U CN 201921404929U CN 210108635 U CN210108635 U CN 210108635U
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Abstract
A leakage detection device special for a steam turbine condenser comprises a shell, a water absorption body, a drying body, a color body and an observation window, wherein the observation window is arranged on the right side surface of the shell, the color body is arranged on the left side of the observation window in the shell, the drying body is arranged on the left side of the color body in the shell, and the water absorption body is arranged on the left side of the drying body in the shell; the shell is a horizontally arranged conical shell, the diameter of the right side of the shell is larger than that of the left side of the shell, and a stepped hole which is communicated from left to right is horizontally arranged in the middle of the shell; the utility model provides a technical scheme has reached good effect: the special leak detection device for the steam turbine condenser has the advantages that the inner hole end of the heat exchange tube of the condenser is plugged through the conical surface of the shell, water leaking in the heat exchange tube enters the shell, the color developing body is soaked after the water absorbing body and the drying body, the color developing body is made to change color, the purpose of finding the leaking heat exchange tube is achieved, the leak detection efficiency is high, the leaking heat exchange tube is accurately found, and great convenience is brought to maintenance personnel.
Description
Technical Field
The utility model relates to a power generation equipment field, concretely relates to special leak hunting device of steam turbine condenser.
Background
A steam turbine of a power plant needs to be matched with a condenser, the leakage phenomenon of a heat exchange tube generally occurs after the condenser runs for many years, water injection at a steam side and leakage detection at a water side are taken as regular maintenance items during shutdown maintenance, a method for detecting the leakage of the heat exchange tube by visual inspection through ventilation of compressed air at the water side is generally adopted at present, because the number of the heat exchange tubes is large, the leakage detection needs to be dried by compressed air one by one, the labor is large, the working time is long, the efficiency is low, the heat exchange tubes are dried by the compressed air, the steam side is injected with water and then stands for a period of time, whether the heat exchange tube leaks or not is judged by observing whether water seeps into the inner wall of the heat exchange tube on the water side or not through naked eyes, the specific position of the leakage cannot be accurately judged easily after the water overflows from the tube opening under the condition of large leakage amount in the process, the whole working process is long in time consumption, operation is poor, the accuracy rate is low, a large amount of time is wasted, and great inconvenience is brought to maintenance personnel; therefore, a device is needed to solve the problem that the existing turbine condenser is inconvenient for maintenance personnel due to low efficiency, long time and low accuracy in the leakage detection process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special device of leaking hunting of steam turbine condenser for solve the problem that current steam turbine condenser leak hunting in-process inefficiency, time length and rate of accuracy are low and bring inconvenience for maintenance personal.
The purpose of the utility model is realized by adopting the following technical scheme:
a leakage detection device special for a steam turbine condenser comprises a shell, a water absorption body, a drying body, a color body and an observation window, wherein the observation window is arranged on the right side surface of the shell, the color body is arranged on the left side of the observation window in the shell, the drying body is arranged on the left side of the color body in the shell, and the water absorption body is arranged on the left side of the drying body in the shell; the shell is a horizontally arranged conical shell, the diameter of the right side of the shell is larger than that of the left side of the shell, a stepped hole which is communicated from left to right is horizontally arranged in the middle of the shell, and the stepped hole is a water inlet hole, a water absorbent hole, a drying body hole, a color body hole and an observation window counter bore from left to right; the diameter in suction body hole is greater than the diameter of inlet opening, and the dry body hole is big-left-hand or small-right circular cone shape hole, and the left end diameter in dry body hole is less than the inlet opening diameter, is provided with the exhaust hole with casing right side major diameter terminal surface intercommunication on the dry body hole inner wall, and the diameter in color development body hole is the same with dry body hole right-hand member diameter, and observation window counter bore diameter is greater than color development body hole diameter.
The water absorption body is water absorption cotton with a cylindrical structure, and the water absorption body is matched with the water absorption body hole in the shell.
The drying body is a drying block with a conical structure, the drying body is matched with the drying body hole in the shell, and the drying body is made of granular CaCO3 drying agent.
The color developing body is a cylindrical color developing block, the color developing body is matched with a color developing body hole in the shell and is made of sponge materials containing anhydrous copper sulfate.
The observation window is a light-transmitting glass wafer, and the excircle of the observation window is matched with the observation window counter bore of the shell for sealing installation.
The shell is made of elastic rubber materials.
The utility model provides a technical scheme has reached good effect: the special leak detection device for the steam turbine condenser has the advantages that the inner hole end of the heat exchange tube of the condenser is plugged through the conical surface of the shell, water leaking in the heat exchange tube enters the shell, the color developing body is soaked after the water absorbing body and the drying body, the color developing body is made to change color, the purpose of finding the leaking heat exchange tube is achieved, the leak detection efficiency is high, the time is short, the leaking heat exchange tube is accurately found, and great convenience is brought to maintenance personnel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the housing of fig. 1.
In the figure: 1. the device comprises a shell, 2, a color body, 3, an observation window, 4, a drying body, 5, a water absorption body, 6, a heat exchange tube, 7, a condenser, 8, a water inlet hole, 9, a water absorption body hole, 10, a drying body hole, 11, a color body hole, 12, an observation window counter bore, 13 and an exhaust hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and the detailed description thereof:
as shown in the attached drawings 1 and 2, the special leakage detection device for the steam turbine condenser comprises a shell 1, a water absorption body 5, a drying body 4, a color development body 2 and an observation window 3, wherein the shell 1 is a horizontally arranged conical shell, the diameter of the right side of the shell 1 is larger than that of the left side of the shell, a stepped hole which is communicated with the left and the right is horizontally arranged in the middle of the shell 1, and the stepped hole is provided with a water inlet hole 8, a water absorption body hole 9, a drying body hole 10, a color development body hole 11 and an observation window counter bore 12 from left to right; the diameter of the water absorber hole 9 is larger than that of the water inlet hole 8, the drying body hole 10 is a conical hole with a large left end and a small right end, the diameter of the left end of the drying body hole 10 is smaller than that of the water inlet hole 8, an exhaust hole 13 communicated with the large-diameter end face of the right side of the shell 1 is formed in the inner wall of the drying body hole 10, the diameter of the color body hole 11 is the same as that of the right end of the drying body hole 10, the diameter of a counter bore 12 of the observation window is larger than that of the color body hole 11, and the shell 1 is made; the observation window 3 is arranged on the right side surface of the shell 1, the observation window 3 is a light-transmitting glass wafer, and the excircle of the observation window 3 is matched with the observation window counter bore 12 of the shell 1 for sealing installation; the color developing body 2 is arranged on the left side of the observation window 3 in the shell 1, the color developing body 2 is a color developing block with a cylindrical structure, the color developing body 2 is installed in a matching way with a color developing body hole 11 in the shell 1, and the color developing body 2 is made of sponge material containing anhydrous copper sulfate; the drying body 4 is arranged at the left side of the color body 2 in the shell 1, the drying body 4 is a drying block with a conical structure, the drying body 4 is matched and installed with a drying body hole 10 in the shell 1, and the drying body 4 is made of granular CaCO3 desiccant; the water absorption body 5 is arranged on the left side of the drying body 4 in the shell 1, the water absorption body 5 is water absorption cotton with a cylindrical structure, and the water absorption body 5 is installed in a matching way with a water absorption body hole 9 in the shell 1.
When the special leakage detection device for the steam turbine condenser is used, firstly, manholes on two sides of a water chamber of the steam turbine condenser 7 are opened, a soft air supply belt (3-5 meters) is additionally arranged on an axial flow fan to supply air to the water chamber for about 12 hours on one side, and the air supply is stopped after the inner wall of a heat exchange tube 6 of the water chamber is dried; get into the hydroecium and press the casing 1 minor diameter end of the special device of leaking hunting of steam turbine condenser that prepares to the mouth of pipe of heat exchange tube 6 in, personnel withdraw from the back with the steam inlet side water injection of condenser to needs height, keep this state a plurality of hours after, personnel get into condenser 7 hydroecium once more, look over through observing special device of leaking hunting of steam turbine condenser's observation window 3 whether inboard color development body 2 becomes blue, the heat exchange tube that the color development body that becomes blue corresponds is promptly to reveal heat exchange tube 6, make the record and make the mark on the heat exchange tube, accomplish the process of leaking hunting of special device of leaking hunting of steam turbine condenser to the condenser heat exchange tube.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a special leak hunting device of steam turbine condenser, includes casing (1), the body that absorbs water (5), the drying body (4), color body (2) and observation window (3), characterized by: the observation window (3) is arranged on the right side surface of the shell (1), the color developing body is arranged on the left side of the observation window in the shell (1), the drying body is arranged on the left side of the color developing body in the shell (1), and the water absorbing body is arranged on the left side of the drying body in the shell (1); the shell (1) is a horizontally arranged conical shell, the diameter of the right side of the shell (1) is larger than that of the left side of the shell, a step hole which is communicated from left to right is horizontally arranged in the middle of the shell (1), and the step hole is provided with a water inlet hole (8), a water absorber hole (9), a drying body hole (10), a color body hole (11) and an observation window counter bore (12) from left to right; the diameter in suction body hole (9) is greater than the diameter of inlet opening (8), dry body hole (10) are big-left-right-hand circular cone hole, the left end diameter in dry body hole (10) is less than inlet opening (8) diameter, be provided with on dry body hole (10) inner wall with exhaust hole (13) of casing right side major diameter terminal surface intercommunication, the diameter in color development body hole (11) is the same with dry body hole (10) right-hand member diameter, observation window counter bore (12) diameter is greater than color development body hole (11) diameter.
2. The special leakage detection device for the turbine condenser according to claim 1, which is characterized in that: the water absorption body (5) is water absorption cotton with a cylindrical structure, and the water absorption body (5) is installed in a matching way with a water absorption body hole (9) in the shell (1).
3. The special leakage detection device for the turbine condenser according to claim 1, which is characterized in that: the drying body (4) is a drying block with a conical structure, the drying body (4) is matched with the drying body hole (10) in the shell (1) for installation, and the drying body (4) is made of granular CaCO3 drying agent.
4. The special leakage detection device for the turbine condenser according to claim 1, which is characterized in that: the color developing body (2) is a cylindrical color developing block, the color developing body (2) is installed in a matching way with a color developing body hole (11) in the shell (1), and the color developing body (2) is made of sponge material containing anhydrous copper sulfate.
5. The special leakage detection device for the turbine condenser according to claim 1, which is characterized in that: the observation window (3) is a light-transmitting glass wafer, and the excircle of the observation window (3) is matched with the observation window counter bore (12) of the shell (1) for sealing installation.
6. The special leakage detection device for the turbine condenser according to claim 1, which is characterized in that: the shell (1) is made of elastic rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404929.5U CN210108635U (en) | 2019-08-28 | 2019-08-28 | Special leak detection device for steam turbine condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404929.5U CN210108635U (en) | 2019-08-28 | 2019-08-28 | Special leak detection device for steam turbine condenser |
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| Publication Number | Publication Date |
|---|---|
| CN210108635U true CN210108635U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921404929.5U Active CN210108635U (en) | 2019-08-28 | 2019-08-28 | Special leak detection device for steam turbine condenser |
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| CN (1) | CN210108635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532752A (en) * | 2021-05-27 | 2021-10-22 | 华能苏州热电有限责任公司 | Special leakage detection device for steam turbine pipeline convenient to use |
-
2019
- 2019-08-28 CN CN201921404929.5U patent/CN210108635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532752A (en) * | 2021-05-27 | 2021-10-22 | 华能苏州热电有限责任公司 | Special leakage detection device for steam turbine pipeline convenient to use |
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