CN210980880U - Device for monitoring steam condensation state in condenser tube bundle of direct air cooling unit - Google Patents
Device for monitoring steam condensation state in condenser tube bundle of direct air cooling unit Download PDFInfo
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- CN210980880U CN210980880U CN201921921596.3U CN201921921596U CN210980880U CN 210980880 U CN210980880 U CN 210980880U CN 201921921596 U CN201921921596 U CN 201921921596U CN 210980880 U CN210980880 U CN 210980880U
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- 238000009833 condensation Methods 0.000 title claims abstract description 20
- 230000005494 condensation Effects 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000004804 winding Methods 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000012806 monitoring device Methods 0.000 description 5
- 238000007710 freezing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a device for monitoring the steam condensation state in a condenser tube bundle of a direct air cooling unit, which comprises at least one condenser tube bundle countercurrent region and condenser tube bundle forward flow regions arranged at two sides of the condenser tube bundle countercurrent region, wherein a temperature measuring cable is arranged between the countercurrent region and the forward flow regions at two sides in a circuitous way; the temperature measuring cable has temperature measuring points at the same height across the forward flow area and the backward flow area, and is used for measuring temperature data of the temperature measuring points of the forward flow area and the backward flow area at the same height and obtaining the temperature difference between the temperature measuring points of the forward flow area and the backward flow area at the same height. The utility model discloses a stride across the circuitous temperature measurement cable that arranges of condenser tube bank countercurrent region and following current district tube bank, measure the temperature difference value of same high countercurrent region and following current district temperature measurement station to regard this as the judgement foundation of the condensation state of steam in the condenser tube bank, improved the degree of accuracy and the reliability of judgement, can carry out accurate detection to air cooling condenser running state, guide the fan to optimize the operation, performance energy-conservation and frost-proof effect.
Description
Technical Field
The utility model relates to a thermal power technical field especially relates to a steam condensation state monitoring devices in direct air cooling unit condenser tube bank.
Background
The air cooling unit is uneconomical to operate in non-high-temperature seasons, and a large energy-saving space exists, but if an effective operation state monitoring device is not available, operators cannot easily master the actual conditions in the condenser pipe bundle, so that the judgment of fan adjustment is difficult to make. Meanwhile, monitoring the running state of the air-cooled condenser has a very positive effect on freezing prevention in winter. According to the Dalton law and the heat dissipation principle of the air-cooled condenser, the condensation state of steam in the condenser tube bundle can be obtained by measuring the air temperature or the metal temperature of the outlet interface of the air-cooled condenser after heat exchange.
In the existing measurement mode, a temperature measuring cable is generally arranged in a bypass manner in a countercurrent region of a condenser tube bundle to measure temperature values of a plurality of temperature measuring points in the countercurrent region, and the temperature values are used as a basis for judging a heat exchange state or an operation state of the condenser tube bundle. The arrangement mode strives for measuring the real temperature of the air at the outlet of the condenser tube bundle and is used as the basis of the operation state of the condenser, however, as a plurality of measuring points need to be arranged in a countercurrent region, and the plurality of measuring points pre-embedded in the cable can not be ensured to be in the same positions and external conditions after the cable is installed, part of the measuring points are in direct contact with the metal tube wall of the tube bundle inevitably, part of the measuring points are in contact with the heat exchange fins of the tube bundle, and part of the measuring points are just positioned at the air channel at the outlet of the tube bundle fins, the accuracy of measured data can not be ensured, and the measured data can not completely and truly. Therefore, the accuracy and reliability of the judgment are not high, too much temperature data cannot be clear at a glance, and the feedback to the operators is not concise and intuitive.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam condensation state monitoring devices in direct air cooling unit condenser tube bank stridees across condenser tube bank countercurrent region and following current district and arranges circuitous tube bank, through measuring the temperature difference value of same high countercurrent region and following current district temperature measurement station to with this as the judgement foundation of the condensation state of steam in the condenser tube bank, reject each temperature measurement point measuring error's of countercurrent region influence, finally improve the degree of accuracy and the reliability of judging.
The utility model provides a steam condensation state monitoring device in a condenser tube bundle of a direct air cooling unit, which comprises at least one condenser tube bundle countercurrent region and condenser tube bundle forward flow regions arranged at two sides of the condenser tube bundle countercurrent region, wherein a temperature measuring cable is arranged between the countercurrent region and the forward flow regions at two sides in a circuitous way;
temperature measuring points at the same height of the temperature measuring cable cross the forward flow area and the backward flow area and are used for measuring temperature data of the temperature measuring points of the forward flow area and the backward flow area at the same height and obtaining the temperature difference between the temperature measuring points of the forward flow area and the backward flow area at the same height;
a vertical temperature measuring cable is arranged in the downstream area on one side of the countercurrent area, a plurality of parallel transverse temperature measuring cables are arranged across the countercurrent area and the downstream areas on two sides of the countercurrent area, and one end of each transverse temperature measuring cable is connected with the vertical temperature measuring cable.
Further, the forward flow area comprises a first forward flow area, a second forward flow area and a third forward flow area, the reverse flow area comprises a first reverse flow area and a second reverse flow area, and the first forward flow area, the first reverse flow area, the second forward flow area, the second reverse flow area and the third forward flow area are sequentially arranged;
a first vertical temperature measuring cable is arranged in the second forward flow area and close to the first countercurrent area, a plurality of parallel first transverse temperature measuring cables are arranged across the first forward flow area, the first countercurrent area and the second forward flow area, and one end of each first transverse temperature measuring cable is connected with the first vertical temperature measuring cable;
a second vertical temperature measuring cable is arranged in the second forward flow area and close to the second countercurrent area, a plurality of second parallel transverse temperature measuring cables are arranged across the second forward flow area, the second countercurrent area and the third forward flow area, and one end of each second transverse temperature measuring cable is connected with the second vertical temperature measuring cable;
and a first transverse temperature measuring cable at the top of the first countercurrent region passes through the second countercurrent region and is connected with a second transverse temperature measuring cable at the top of the second countercurrent region.
Further, the forward flow area comprises a first forward flow area, a second forward flow area and a third forward flow area, the reverse flow area comprises a first reverse flow area and a second reverse flow area, and the first forward flow area, the first reverse flow area, the second forward flow area, the second reverse flow area and the third forward flow area are sequentially arranged;
a first vertical temperature measuring cable is arranged in the first forward flow area and close to the first countercurrent area, a plurality of parallel first transverse temperature measuring cables are arranged across the first forward flow area, the first countercurrent area and the second forward flow area, and one end of each first transverse temperature measuring cable is connected with the first vertical temperature measuring cable;
a second vertical temperature measuring cable is arranged in the third forward flow area and close to the second countercurrent area, a plurality of parallel second transverse temperature measuring cables are arranged across the second forward flow area, the second countercurrent area and the third forward flow area, and one end of each second transverse temperature measuring cable is connected with the second vertical temperature measuring cable;
and a first transverse temperature measuring cable at the top of the first countercurrent region passes through the second countercurrent region and is connected with a second transverse temperature measuring cable at the top of the second countercurrent region.
Furthermore, at least one temperature measuring point of the forward flow area and at least two temperature measuring points of the reverse flow area are arranged at the same height.
By means of the scheme, the steam condensation state monitoring device in the condenser tube bundle of the direct air cooling unit measures the temperature difference value of the temperature measuring points in the countercurrent region and the cocurrent region at the same height by arranging the circuitous tube bundles across the countercurrent region and the cocurrent region of the condenser tube bundle, and the temperature difference value is used as a judgment basis for the condensation state of steam in the condenser tube bundle, so that the judgment accuracy and reliability are improved, the running state of the air cooling condenser can be accurately detected, and the energy-saving and anti-freezing effects are exerted.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Reference numbers in the figures:
1-a steam inlet pipe; 2-an exhaust pipe; 31-a first forward flow region; 32-a second forward flow region; 33-a third forward flow region; 41-a first vertical temperature measuring cable; 42-a first transverse temperature measuring cable; 43-a second vertical temperature measuring cable; 44-a second transverse temperature measuring cable; 51-a first zone of countercurrent flow; 52-a second zone of countercurrent flow; 6-condensation water pipe.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model provides a device for monitoring the steam condensation state in a condenser tube bundle of a direct air cooling unit, which comprises at least one condenser tube bundle countercurrent region and condenser tube bundle forward flow regions arranged at two sides of the condenser tube bundle countercurrent region, wherein a temperature measuring cable is arranged between the countercurrent region and the forward flow regions at two sides in a circuitous way;
temperature measuring points at the same height of the temperature measuring cable cross the forward flow area and the backward flow area and are used for measuring temperature data of the temperature measuring points of the forward flow area and the backward flow area at the same height and obtaining the temperature difference between the temperature measuring points of the forward flow area and the backward flow area at the same height;
a vertical temperature measuring cable is arranged in the downstream area on one side of the countercurrent area, a plurality of parallel transverse temperature measuring cables are arranged across the countercurrent area and the downstream areas on two sides, and one end of each transverse temperature measuring cable is connected with the vertical temperature measuring cable.
Referring to fig. 1, the forward flow region includes a first forward flow region 31, a second forward flow region 32 and a third forward flow region 33, the reverse flow region includes a first reverse flow region 51 and a second reverse flow region 52, and the first forward flow region 31, the first reverse flow region 51, the second forward flow region 32, the second reverse flow region 52 and the third forward flow region 33 are sequentially arranged;
in the second forward flow area 32, a first vertical temperature measuring cable 41 is arranged close to the first backward flow area 51, a plurality of parallel first transverse temperature measuring cables 42 are arranged across the first forward flow area 31, the first backward flow area 51 and the second forward flow area 32, and one end of each first transverse temperature measuring cable 42 is connected with the first vertical temperature measuring cable 41;
a second vertical temperature measuring cable 43 is arranged in the second forward flow area 32 and close to the second backward flow area 52, a plurality of parallel second transverse temperature measuring cables 44 are arranged across the second forward flow area 32, the second backward flow area 52 and the third forward flow area 33, and one end of each second transverse temperature measuring cable 44 is connected with the second vertical temperature measuring cable 43;
the first transverse temperature measuring cable 41 at the top of the first countercurrent area 51 passes through the second countercurrent area 32 and is connected with the second transverse temperature measuring cable 44 at the top of the second countercurrent area 52.
Referring to fig. 2, the forward flow region includes a first forward flow region 31, a second forward flow region 32 and a third forward flow region 33, the reverse flow region includes a first reverse flow region 51 and a second reverse flow region 52, and the first forward flow region 31, the first reverse flow region 51, the second forward flow region 32, the second reverse flow region 52 and the third forward flow region 33 are sequentially arranged;
in the first forward flow area 31, a first vertical temperature measuring cable 41 is arranged close to the first backward flow area 51, a plurality of parallel first transverse temperature measuring cables 42 are arranged across the first forward flow area 31, the first backward flow area 51 and the second forward flow area 32, and one end of each first transverse temperature measuring cable 42 is connected with the first vertical temperature measuring cable 41;
a second vertical temperature measuring cable 43 is arranged in the third forward flow area 33 close to the second backward flow area 52, a plurality of parallel second transverse temperature measuring cables 44 are arranged across the second forward flow area 32, the second backward flow area 52 and the third forward flow area 33, and one end of each second transverse temperature measuring cable 44 is connected with the second vertical temperature measuring cable 43;
the first transverse temperature measuring cable 42 at the top of the first countercurrent area 51 passes through the second countercurrent area 32 and is connected with the second transverse temperature measuring cable 44 at the top of the second countercurrent area 52.
In this embodiment, at least one forward flow region temperature measurement point and at least three reverse flow region temperature measurement points are arranged at the same height, so as to improve the measurement accuracy.
According to the device for monitoring the steam condensation state in the condenser tube bundle of the direct air cooling unit, the steam condensation state in the condenser tube bundle of the direct air cooling unit is monitored, the circuitous tube bundles are arranged by crossing the countercurrent area and the cocurrent area of the condenser tube bundle, the temperature difference value of temperature measuring points in the countercurrent area and the cocurrent area at the same height is measured, and the temperature difference value is used as a judgment basis for the condensation state of steam in the condenser tube bundle, so that the judgment accuracy and reliability are improved, the running state of the air cooling condenser can be accurately detected, and the energy-saving and anti-freezing effects are exerted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A device for monitoring the steam condensation state in a condenser tube bundle of a direct air cooling unit is characterized by comprising at least one condenser tube bundle countercurrent region and condenser tube bundle forward regions arranged at two sides of the condenser tube bundle countercurrent region, wherein a temperature measuring cable is arranged between the countercurrent region and the forward regions at two sides in a winding way;
temperature measuring points at the same height of the temperature measuring cable cross the forward flow area and the backward flow area and are used for measuring temperature data of the temperature measuring points of the forward flow area and the backward flow area at the same height and obtaining the temperature difference between the temperature measuring points of the forward flow area and the backward flow area at the same height;
a vertical temperature measuring cable is arranged in the downstream area on one side of the countercurrent area, a plurality of parallel transverse temperature measuring cables are arranged across the countercurrent area and the downstream areas on two sides of the countercurrent area, and one end of each transverse temperature measuring cable is connected with the vertical temperature measuring cable.
2. The device for monitoring the steam condensation state in the tube bundle of the condenser of the direct air cooling unit according to claim 1, wherein the forward flow areas comprise a first forward flow area, a second forward flow area and a third forward flow area, the reverse flow areas comprise a first reverse flow area and a second reverse flow area, and the first forward flow area, the first reverse flow area, the second forward flow area, the second reverse flow area and the third forward flow area are sequentially arranged;
a first vertical temperature measuring cable is arranged in the second forward flow area and close to the first countercurrent area, a plurality of parallel first transverse temperature measuring cables are arranged across the first forward flow area, the first countercurrent area and the second forward flow area, and one end of each first transverse temperature measuring cable is connected with the first vertical temperature measuring cable;
a second vertical temperature measuring cable is arranged in the second forward flow area and close to the second countercurrent area, a plurality of second parallel transverse temperature measuring cables are arranged across the second forward flow area, the second countercurrent area and the third forward flow area, and one end of each second transverse temperature measuring cable is connected with the second vertical temperature measuring cable;
and a first transverse temperature measuring cable at the top of the first countercurrent region passes through the second countercurrent region and is connected with a second transverse temperature measuring cable at the top of the second countercurrent region.
3. The device for monitoring the steam condensation state in the tube bundle of the condenser of the direct air cooling unit according to claim 1, wherein the forward flow areas comprise a first forward flow area, a second forward flow area and a third forward flow area, the reverse flow areas comprise a first reverse flow area and a second reverse flow area, and the first forward flow area, the first reverse flow area, the second forward flow area, the second reverse flow area and the third forward flow area are sequentially arranged;
a first vertical temperature measuring cable is arranged in the first forward flow area and close to the first countercurrent area, a plurality of parallel first transverse temperature measuring cables are arranged across the first forward flow area, the first countercurrent area and the second forward flow area, and one end of each first transverse temperature measuring cable is connected with the first vertical temperature measuring cable;
a second vertical temperature measuring cable is arranged in the third forward flow area and close to the second countercurrent area, a plurality of parallel second transverse temperature measuring cables are arranged across the second forward flow area, the second countercurrent area and the third forward flow area, and one end of each second transverse temperature measuring cable is connected with the second vertical temperature measuring cable;
and a first transverse temperature measuring cable at the top of the first countercurrent region passes through the second countercurrent region and is connected with a second transverse temperature measuring cable at the top of the second countercurrent region.
4. The device for monitoring the condensation state of the steam in the tube bundle of the condenser of the direct air cooling unit according to any one of the claims 1 to 3, wherein at least one temperature measuring point of the forward flow region and at least two temperature measuring points of the reverse flow region are arranged on the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921596.3U CN210980880U (en) | 2019-11-08 | 2019-11-08 | Device for monitoring steam condensation state in condenser tube bundle of direct air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921596.3U CN210980880U (en) | 2019-11-08 | 2019-11-08 | Device for monitoring steam condensation state in condenser tube bundle of direct air cooling unit |
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| Publication Number | Publication Date |
|---|---|
| CN210980880U true CN210980880U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921921596.3U Expired - Fee Related CN210980880U (en) | 2019-11-08 | 2019-11-08 | Device for monitoring steam condensation state in condenser tube bundle of direct air cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210980880U (en) |
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2019
- 2019-11-08 CN CN201921921596.3U patent/CN210980880U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiu Guizhi Inventor after: Wang Gang Inventor after: Jiao Kaiming Inventor after: Wang Heqi Inventor after: Wang Yingmin Inventor after: Wang Wei Inventor after: Ye Xiang Inventor after: Wu Yongxin Inventor after: Li Yongtao Inventor after: Shao Baokun Inventor after: Yi Weiguo Inventor after: Wang Ran Inventor after: Zhang Feifei Inventor after: Kong Lingguo Inventor after: Feng Yufeng Inventor after: Wan Kuifang Inventor after: Li Yanping Inventor after: Song Yin Inventor after: Lin Xianchao Inventor after: Tang Jinming Inventor after: Zhang Kaibo Inventor before: Qiu Guizhi Inventor before: Jiao Kaiming Inventor before: Wang Heqi Inventor before: Wang Yingmin Inventor before: Wang Wei Inventor before: Ye Xiang Inventor before: Wu Yongxin Inventor before: Li Yongtao Inventor before: Shao Baokun Inventor before: Yi Weiguo Inventor before: Zhang Feifei Inventor before: Wang Ran Inventor before: Kong Lingguo Inventor before: Wan Kuifang Inventor before: Li Yanping Inventor before: Song Yin Inventor before: Lin Xianchao Inventor before: Tang Jinming Inventor before: Zhang Kaibo Inventor before: Wang Gang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |