CN206930180U - Direct air cooled condenser monitoring system - Google Patents
Direct air cooled condenser monitoring system Download PDFInfo
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- CN206930180U CN206930180U CN201720707703.7U CN201720707703U CN206930180U CN 206930180 U CN206930180 U CN 206930180U CN 201720707703 U CN201720707703 U CN 201720707703U CN 206930180 U CN206930180 U CN 206930180U
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- direct air
- cooled condenser
- air cooled
- monitoring system
- interface
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000007405 data analysis Methods 0.000 claims abstract description 4
- 230000002528 anti-freeze Effects 0.000 description 9
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000010977 unit operation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
Temperature monitoring field is the utility model is related to, discloses a kind of direct air cooled condenser monitoring system, including：Branch cable, it is laid on from bottom to top on heat abstractor tube bank concurrent-countercurrent interface both sides and/or edge tube bank edge side wall according to setting spacing, the heat abstractor includes multiple unit pipe bundles, wherein it is divided into following current unit pipe bundles and counter flow cell tube bank, adjacent following current unit pipe bundles and counter flow cell restrain to form the concurrent-countercurrent interface；Multiple sensors, it is connected to according to setting interval on the branch cable, for monitoring the temperature of concurrent-countercurrent interface both sides and/or edge tube bank side wall；Monitoring host computer, for receiving temperature value that the multiple sensor collects and carrying out data analysis, and alarmed in the case of temperature anomaly.
Description
Technical field
Power plant temperature monitoring is the utility model is related to, more particularly to a kind of direct air cooled condenser monitoring system.
Background technology
Air cooling power plant is based on the power plant of Direct Air-Cooled.The mainly summer operation that Direct Air-Cooled power-plant operation occurs
Turbine discharge back pressure is high, and heat-economy is poor；And the operation air cooling tube bank of winter Air-cooled Unit and its auxiliary device are asked in the presence of frost
Topic is antifreeze operations staff also to improve the reply of unit operation back pressure, therefore Air-cooled Unit winter operation and safety problem be present
Simultaneously there is also it is less economical the problem of；Edge finned tube and the finned tube of suitable inverse boundary turn into antifreeze most weak link, are
It is easiest to the position freezed.Therefore the antifreeze of air cooling system is carried out, concurrent-countercurrent has a common boundary and edge finned tube is antifreeze
Emphasis.Current monitoring technology is only limited to tube bundle region temperature monitoring, is not had to the tube bank near following current and adverse current interface
Realize the monitoring of temperature.
Utility model content
The purpose of this utility model is that do not have to overcome existing for prior art to following current and the tube bank of adverse current interface
The problem of realizing temperature monitoring, there is provided a kind of direct air cooled condenser monitoring system, the system are suitable for direct air cooled condenser
Adverse current interface and/or edge tube bank weak location carry out real time temperature monitoring, help to judge the deicing characteristics of air cooling apparatus,
Antifreeze prediction scheme is carried out in advance, improves the security of Air-cooled Unit operation.
To achieve these goals, on the one hand the utility model provides a kind of direct air cooled condenser monitoring system and included：
Branch cable, heat abstractor tube bank concurrent-countercurrent interface both sides are laid on according to setting spacing from bottom to top and/or edge is restrained
Edge side wall, the heat abstractor include multiple unit pipe bundles, wherein being divided into following current unit pipe bundles and counter flow cell tube bank, phase
Adjacent following current unit pipe bundles and counter flow cell restrain to form the concurrent-countercurrent interface；Multiple sensors, connected according to setting interval
It is connected on the branch cable, for monitoring the temperature of concurrent-countercurrent interface and/or edge tube bank side wall；Monitoring host computer, it is used for
Receive the temperature value that the multiple sensor collects and carry out data analysis, and alarmed in the case of temperature anomaly.
Preferably, the branch cable is three core branch cables, including following more persons：Signal wire, for the multiple biography
The temperature information that sensor collects is transmitted to the monitoring host computer；Power line, for being provided for the multiple sensor and power supply
Between connection；Ground wire, for providing low potential for power line and signal wire.
Preferably, the branch cable is encapsulated using extrusion molding, and all sensors are sealed in inside the branch cable.
Preferably, the branch cable restrains interface and/or edge tube bank side wall away from A type heat abstractors concurrent-countercurrent
Parallel laid in the range of 100mm.
Preferably, corresponding adjacent sensors interval is set according to the number of sensors.
Preferably, the sensor distance is 0.5m-2m.
Preferably, the system also includes：Main cable, according to setpoint distance parallel laid above condensate pipe, it is used for
Connect the branch cable and the monitoring host computer.
Preferably, the setpoint distance is 0m-1m.
Preferably, the system also includes：Collector, it is connected on the main cable, for gathering the multiple sensing
Temperature value that device detects simultaneously is sent to the monitoring host computer.
Preferably, the system also includes：Converter, it is connected between the collector and the monitoring host computer, for inciting somebody to action
The level signal of the multiple collector output is converted to the level signal matched with computer interface.
Pass through above-mentioned technical proposal, the system is for direct air cooled condenser concurrent-countercurrent interface and/or edge tube bank side
Wall weak location carries out real time temperature monitoring, helps to judge the deicing characteristics of air cooling apparatus, carries out antifreeze prediction scheme in advance, improves
The security of Air-cooled Unit operation.
Brief description of the drawings
Fig. 1 is a kind of basic structure signal for direct air cooled condenser monitoring system that the utility model embodiment provides
Figure；
Fig. 2 is a kind of structural representation for direct air cooled condenser monitoring system that the utility model embodiment provides；
Fig. 3 is a kind of direct air cooled condenser monitoring system structure diagram that another embodiment of the utility model provides.
Description of reference numerals
The sensor of 1 branch cable 2
The main cable of 3 monitoring host computer 4
The converter of 5 collector 6
Restrain edge side wall in the edge of 100 concurrent-countercurrent interface 200
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " that uses,
" inside and outside ", " remote, near " refer to the direction of refer to the attached drawing, and therefore, use direction term is for illustrating not to be to limit this practicality
It is new.
Fig. 1 shows that a kind of basic structure for direct air cooled condenser monitoring system that the utility model embodiment provides is shown
It is intended to, as shown in figure 1, the system can include branch cable 1, multiple sensors 2 and monitoring host computer 3；Wherein, branch electricity
Cable 1 is laid on the both sides of heat abstractor tube bank concurrent-countercurrent interface 100 from bottom to top according to setting spacing and/or side is restrained at edge
Edge side wall 200, the heat abstractor include multiple unit pipe bundles, wherein being divided into following current unit pipe bundles and counter flow cell tube bank, phase
Adjacent following current unit pipe bundles and counter flow cell restrain to form the concurrent-countercurrent interface 100；Multiple sensors 2, according between setting
Every being connected on the branch cable 1, edge side wall 200 is restrained for monitoring the both sides of concurrent-countercurrent interface 100 and/or edge
Temperature；Monitoring host computer 3, for receiving temperature value that the multiple sensor 2 collects and carrying out data analysis, and it is different in temperature
Alarmed in the case of often.By measure direct air cooled condenser following current restrain, adverse current tube bank tube bank interface both sides with
And the temperature of edge tube bank edge side wall, to monitor the both sides of concurrent-countercurrent interface 100 and edge tube bank under winter severe cold operating mode
The temperature variations of edge side wall 200, so as to monitor to restrain interior distribution of steam situation, antifreeze offer is restrained for Direct Air-Cooled
With reference to increasing the security of unit operation.
Fig. 2 shows a kind of structural representation for direct air cooled condenser monitoring system that the utility model embodiment provides
Figure, as shown in Fig. 2 the heat abstractor is divided into 5 units, respectively following current unit pipe bundles, counter flow cell are restrained, are suitable from left to right
Flow unit pipe bundles, counter flow cell tube bank, following current unit pipe bundles.The system can by by branch cable 1 according to away from each unit
Tube bank side wall 80mm distance is laid from the bottom to top, and 8 sensors 2, the biography of bottommost are installed on every branch cable 1
Sensor 2 away from 80cm places installation at the top of condensation water collection header, and 7 sensors 2 of residue equally with 80cm adjacent spaces successively
On respective branch cable 1, main cable 4 is away from parallel laid at 0m at the top of condensation water collection header in the condensation water collection
At the top of header, and every branch cable 1 is connected on main cable 4, the other end connection monitoring host computer of the main cable 4
3.The system can also include collector 5, be connected on the main cable 4；Converter 6 can also be included, be connected to described
Between collector 5 and the monitoring host computer 3.In order to solve to restrain side wall 200 1 with edge near the both sides of concurrent-countercurrent interface 100
The antifreeze problem of side, using above-mentioned bus-organization, 8 sensors 2 on every branch cable 1 carry out real-time monitoring unit pipe
The temperature value of beam side wall, specifically, each sensor 2 also believe the position of itself while the temperature value detected is sent
Breath is together sent, and the positional information is used to distinguish the temperature value of the both sides of concurrent-countercurrent interface 100, edge tube bank edge side wall
200 temperature values or the temperature value with flow direction tube bank interface both sides.Collector 5 gathers 8 sensings on every branch cable 1
Temperature value and relevant position information that device 2 is sent simultaneously are sent to converter 6, and the converter 6 is by the collector signal received
The level of level and the interface of monitoring host computer 3 matches.After monitoring host computer 3 receives temperature information, pass through corresponding positional information
The temperature information is classified, is specifically divided into temperature value, the edge tube bank edge side wall 200 of the both sides of concurrent-countercurrent interface 100
Temperature value and same flow direction tube bank interface both sides temperature value, and the temperature information that each sensor 2 is detected and relevant position
Relevant temperature setting range be compared, according to comparative result, in the case where detection temperature value exceeds design temperature scope,
Monitoring host computer 3 carries out temperature anomaly alarm.
Fig. 3 shows a kind of direct air cooled condenser monitoring system structural representation that another embodiment of the utility model provides
Figure, as shown in figure 3, the heat abstractor includes 7 unit pipe bundles, is followed successively by following current unit pipe bundles, counter flow cell pipe from left to right
Beam, following current unit pipe bundles, counter flow cell tube bank, the tube bank of following current unit pipe bundles, counter flow cell, following current unit pipe bundles.Each unit
Tube bank has respective separate space, has blower fan to be aerated below unit pipe bundles.The system can be by the way that branch cable 1 be pressed
The each unit pipe bundles side wall 60mm of range distance is laid from the bottom to top, and 5 sensors are installed on every branch cable 1
2, the sensor 2 of bottommost is away from installation at 70cm at the top of condensation water collection header, and remaining 4 sensors 2 are with the adjacent of 100cm
Interval is sequentially arranged on respective branch cable 1, and main cable 4 is away from parallel laid at 0.4m at the top of condensation water collection header at this
At the top of condensation water collection header, and every branch cable 1 is connected on main cable 4, and the other end of the main cable 4 connects
Connect monitoring host computer 3.The system can also include collector 5, be connected on the main cable 4；Converter 6 can also be included,
It is connected between the collector 5 and the monitoring host computer 3.In order to solve near the both sides of concurrent-countercurrent interface 100 and edge pipe
The antifreeze problem of Shu Bianyuan side walls 200, using above-mentioned bus-organization, 5 sensors 2 on every branch cable 1 carry out reality
When monitoring unit tube bank adjacent sidewalls temperature value, specifically, each sensor 2 send detect temperature value while,
Also the positional information of itself is together sent, the positional information is used to distinguish the both sides of concurrent-countercurrent interface 100 temperature nearby
It is worth, nearby temperature value or same flow direction restrain interface temperature value nearby to edge tube bank edge side wall 200.Collector 5 gathers every
The temperature value and relevant position information and transmission to converter 6, converter 6 that 5 sensors 2 on branch cable 1 are sent will
The collector signal level received and the level of the interface of monitoring host computer 3 match.After monitoring host computer 3 receives temperature information,
The temperature information is classified by corresponding positional information, is specifically divided into temperature value, the side of the both sides of concurrent-countercurrent interface 100
Edge restrains the temperature value of edge side wall 200 and the temperature value with flow direction tube bank interface both sides, and each sensor 2 is detected
Temperature information, according to comparative result, exceeds in detection temperature value and set compared with the relevant temperature setting range of relevant position
In the case of determining temperature range, monitoring host computer 3 carries out temperature anomaly alarm.
In embodiment, the monitoring host computer 3 can be independent computer, or DCS, branch cable 1 use extrusion molding
Encapsulation, all sensors 2 are sealed in inside the branch cable 1, to ensure that sensor 2 is not influenceed by extraneous factor, from
And ensure the service life of sensor 2.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. direct air cooled condenser monitoring system, it is characterised in that including：Branch cable, heat abstractor tube bank concurrent-countercurrent interface both sides and/or edge are laid on according to setting spacing from bottom to top The edge side wall of tube bank, the heat abstractor includes multiple unit pipe bundles, wherein being divided into following current unit pipe bundles and counter flow cell pipe Beam, adjacent following current unit pipe bundles and counter flow cell restrain to form the concurrent-countercurrent interface；Multiple sensors, according to setting interval be connected on the branch cable, for monitor concurrent-countercurrent interface both sides and/or Restrain the temperature of edge side wall in edge；Monitoring host computer, for receiving temperature value that the multiple sensor collects and carrying out data analysis, and in temperature anomaly In the case of alarmed.
- 2. direct air cooled condenser monitoring system according to claim 1, it is characterised in that the branch cable is three cores Branch cable, including following more persons：Signal wire, the temperature information collected for the multiple sensor are transmitted to the monitoring host computer；Power line, for providing the connection between power supply for the multiple sensor；Ground wire, low potential is provided for the signal wire and the power line.
- 3. direct air cooled condenser monitoring system according to claim 1, it is characterised in that the branch cable is using crowded Packaged by plastic, all sensors are sealed in inside the branch cable.
- 4. direct air cooled condenser monitoring system according to claim 1, it is characterised in that the branch cable is away from radiating Device restrains parallel laid in the range of concurrent-countercurrent interface and/or edge tube bank side wall 100mm.
- 5. direct air cooled condenser monitoring system according to claim 1, it is characterised in that set according to the number of sensors Fixed corresponding adjacent sensors interval.
- 6. direct air cooled condenser monitoring system according to claim 5, it is characterised in that the sensor distance is 0.5m-2m。
- 7. according to the direct air cooled condenser monitoring system described in claim any one of 1-6, it is characterised in that the system is also wrapped Include：Main cable, according to setpoint distance parallel laid above condensate pipe, for connecting the branch cable and the prison Control main frame.
- 8. direct air cooled condenser monitoring system according to claim 7, it is characterised in that the setpoint distance is 0m- 1m。
- 9. direct air cooled condenser monitoring system according to claim 7, it is characterised in that the system also includes：Collector, it is connected on the main cable, for gathering temperature value that the multiple sensor detects and sending extremely The monitoring host computer.
- 10. direct air cooled condenser monitoring system according to claim 9, it is characterised in that the system also includes：Converter, it is connected between the collector and the monitoring host computer, for the level for exporting the multiple collector Signal is converted to the level signal matched with computer interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707703.7U CN206930180U (en) | 2017-06-16 | 2017-06-16 | Direct air cooled condenser monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707703.7U CN206930180U (en) | 2017-06-16 | 2017-06-16 | Direct air cooled condenser monitoring system |
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| Publication Number | Publication Date |
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| CN206930180U true CN206930180U (en) | 2018-01-26 |
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ID=61345379
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720707703.7U Active CN206930180U (en) | 2017-06-16 | 2017-06-16 | Direct air cooled condenser monitoring system |
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| CN (1) | CN206930180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682227A (en) * | 2018-12-26 | 2019-04-26 | 中国神华能源股份有限公司 | Air-Cooling Island system and its antifreeze method |
-
2017
- 2017-06-16 CN CN201720707703.7U patent/CN206930180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682227A (en) * | 2018-12-26 | 2019-04-26 | 中国神华能源股份有限公司 | Air-Cooling Island system and its antifreeze method |
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