CN203658081U - Indirect air cooling system performance test platform - Google Patents
Indirect air cooling system performance test platform Download PDFInfo
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- CN203658081U CN203658081U CN201420043052.2U CN201420043052U CN203658081U CN 203658081 U CN203658081 U CN 203658081U CN 201420043052 U CN201420043052 U CN 201420043052U CN 203658081 U CN203658081 U CN 203658081U
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- 238000011056 performance test Methods 0.000 title abstract 3
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- 238000012544 monitoring process Methods 0.000 abstract description 7
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Abstract
The utility model provides an indirect air cooling system performance test platform, including a temperature sensor, a weather station measuring point set, a data interface machine, a decentralised control system and a monitoring system. The temperature sensor is used for measuring the temperatures of the temperature field in an indirect air cooling tower and the air temperatures of the inlet and outlet of a radiator import and transmitting data to the data interface machine; the data interface machine transmits the temperature data and the data of the weather station measuring point set to the monitoring system; the decentralised control system collects correlative unit parameters and transmits the data to the monitoring system; the monitoring system outputs the collected data. Accordingly, the indirect air cooling system performance test platform provides effective data support for clearly guaranteeing monitoring parameter index items in safe operation, reserving safety margin, setting system collection and analysis functions, timely evaluating apparatus effects and changes of different wind directions, wind speed apparatuses and cold end systems, performing accident abnormity precontrol management, clearing danger points and compiling corresponding accident emergency plans.
Description
Technical field
The utility model relates to performance of power plant instruments test field, relates to especially a kind of indirect air cooling system performance testing platform.
Background technology
The steam of discharging after steam turbine acting in fuel-burning power plant is mainly adopted and is carried out in two ways cooling and reclaim its condensate water, i.e. water cooling (abbreviation water-cooled) and air cooling (abbreviation air cooling).The most of Water Cooling Technology that adopts in existing fuel-burning power plant, due to water evaporation loss, need to consume a large amount of water.Along with expanding economy, water resource is day by day in short supply, and water intaking price rises year by year, directly causes fuel-burning power plant cost to increase, and it is also more and more outstanding that while aqueous vapor is polluted the environmental issue of bringing.Therefore, tradition Water Cooling Technology has more and more been not suitable with the requirement in epoch, air-cooled technology is developed and applied in countries in the world gradually, comprise indirect air cooling (abbreviation indirect air cooling) and the direct large class of air cooling two, indirect air cooling is extensively promoted because of its superior economize on electricity in newly-built thermal power plant.
Adopt the cooling system of surface-type indirect air cooling technology to be called surface-type indirect air cooling system, as shown in Figure 1, its basic system unit is indirect dry cooling tower 1, comprises cooling sector 2, reserve tank 3, expansion tank 4.Then water circulating pump 5 returns condenser from cooling tower by the chilled water from condenser 6 through the cooling sector of cooling tower.The steam of discharging from steam turbine enters condenser and water is heated.Hot water circulation enters in the cooling sector of cooling tower and carries out cooling down by natural ventilation.Chilled water subsequently recycle is back to condenser.
Due to the difference of thermal power generation unit capacity and addressing, design cooling power and the arrangement of its indirect air cooling system are also different.The surface-type indirect air cooling system of certain 660MW genset comprises three water circulating pumps, two surface condensers and an indirect dry cooling tower.As shown in Figure 2, indirect dry cooling tower arranges 10 cooling triangles in 2,177 of cooling sectors that function is identical, and establish into each one of, backwater Electrically operated gate and hot water or cold water's wicket each cooling sector.Can put into operation separately in each sector or off-the-line discharges water.On the inherent hot and cold circulation jellyfish pipe of tower, a urgent draw-off valve 7 is respectively set, can in case of emergency intrasystem water be put to the reserve tank 3 of negative rice layer.In piping system, constant pressure is controlled by the water level in expansion tank 4, and it controls the water level at top, cooling sector simultaneously.The water yield constant in system is by reserve tank 3 and expansion tank 4 water level controls.Intrasystem hydraulic equilibrium guarantees by rationally correctly controlling bypass valve.5 sectors are controlled by two bypass valves respectively.No. 1 and No. 2 bypass valves and 1,2,3,4, No. 5 cooling triangular sector is connected; No. 3 and No. 4 bypass valves and 6,7,8,9, No. 10 cooling triangular sector is connected.The control of coolant water temperature is carried out folding adjusting by the window shutter that cooling tower is arranged around and is realized temperature control, carries out temperature control in summer by opening spraying system.
The cooling power of indirect air cooling system and efficiency are subject to such environmental effects larger, except environment temperature, strong wind (mainly considering crosscut wind here) is also very obvious on the impact of leaving water temperature, the every increase of wind speed 1m/s will affect recirculated water leaving water temperature and improve nearly 1 ℃, directly cause the corresponding rising of unit back pressure, unit output is obstructed, Efficiency Decreasing.According to indirect air cooling system design parameter and lectotype selection, fully carry out the fundamental research of indirect air cooling system wind-proof device, the fundamental issues such as wind-proof device such as installation site, setting height(from bottom), angle, load object are determined in contrast, according to TRL working condition, complete the HEAT EXCHANGE ANALYSIS of new system, the corresponding relation that further investigation wind direction, wind speed change, contrast determines that it will be very necessary that surface-type indirect air cooling system water-in and water-out temperature, condenser vacuum change.
Utility model content
The purpose of this utility model is to provide a kind of indirect air cooling system performance testing platform, in conjunction with experimental study, set up realistic device with regard to indirect cool tower wind-proof device, calculating, the analytical model of angle, height are set, consider the harmful effect of indirect air cooling wind-proof device to adjacent cooling system comprehensively, for strong wind damage, angle arrange bad, highly, the factor such as length limited, implement lifetime quantitative test; Formulate the relevant method of operation, working specification, repair and maintenance strategy and technology.Clearly the ensure safety monitoring parameter index subjet of operation, reserved margin of safety, arranges system acquisition, analytic function, in time the variation of evaluating apparatus effect and different wind direction, wind speed timer and s cold end system; Carry out accident abnormality pre-control and management, specify dangerous point, work out corresponding accident emergency prediction scheme.
For achieving the above object, the utility model provides a kind of indirect air cooling system performance testing platform, and this indirect air cooling system performance testing platform comprises: temperature sensor, weather station measuring point group, data-interface machine, supervisory system; Temperature sensor, imports and exports air themperature and transfers to data-interface machine for measuring indirect dry cooling tower internal temperature field temperature and heating radiator; Described temperature data and weather station measuring point group data are sent to supervisory system by data-interface machine; Scattered control system is collected relevant device parameter and is transferred to supervisory system; Supervisory system is by the data output of collecting.
The utility model one embodiment provides, and this temperature sensor comprises: radio temperature sensor and wired temperature sensor.
The utility model one embodiment provides, and it is inner and parallel with cooling sector top that this radio temperature sensor is arranged at indirect cooling tower.
The utility model one embodiment provides, and this radio temperature sensor adopts cross curve to arrange.
The utility model one embodiment provides, and this wired temperature sensor comprises: indirectly inside and outside cooling tower, be respectively arranged with line temperature point.
The utility model one embodiment provides, and should in indirect cooling tower, wired temperature point be set and comprise: wired temperature point is installed at 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air outlet height of each cooling sector in indirect cooling tower; Outside indirect cooling tower, wired temperature point is installed at 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air inlet height of each cooling sector.
The utility model one embodiment provides, this wired temperature point distance cooling tower sector inner frame 1-2 rice indirectly.
The utility model one embodiment provides, this wired temperature point distance cooling tower outer wall 0.5-1 rice indirectly.
Useful technique effect of the present utility model is: the indirect air cooling system performance testing platform providing by the utility model is in conjunction with experimental study, can set up realistic device, calculating, the analytical model of angle, height are set, consider the harmful effect of indirect air cooling wind-proof device to adjacent cooling system comprehensively, for strong wind damage, angle arrange bad, highly, the factor such as length limited, implement lifetime quantitative test; Formulate the relevant method of operation, working specification, repair and maintenance strategy and technology.For the monitoring parameter index subjet of the operation that clearly ensures safety, reserved margin of safety, arranges system acquisition, analytic function, in time the variation of evaluating apparatus effect and different wind direction, wind speed timer and s cold end system; Carry out accident abnormality pre-control and management, specify dangerous point, work out corresponding accident emergency prediction scheme active data support is provided.
Accompanying drawing explanation
Fig. 1 is surface-type indirect air cooling system schematic diagram;
Fig. 2 is indirect dry cooling tower process flow diagram;
Fig. 3 is indirect air cooling system performance testing platform total system schematic diagram;
Fig. 4 is indirect dry cooling tower cross surface temperature point position schematic diagram;
Fig. 5 is that wind-warm syndrome position view is imported and exported in the cooling sector of indirect dry cooling tower;
Fig. 6 is indirect dry cooling tower and weather station position view.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of indirect air cooling system performance testing platform, below in conjunction with accompanying drawing, the utility model is elaborated.
Please refer to shown in Fig. 3: wired temperature sensor and radio temperature sensor receive the associated temperature data that temperature point is measured, and the temperature data receiving is transferred to data receiver;
The data transmission that weather station measuring point group is measured each weather station is to data receiver;
Data receiver by receive data information transfer to supervisory system;
Scattered control system receives the relevant operational factor (for example circulating water flow data, circulating water temperature, unit backpressure data, the correlation parameters such as power of the assembling unit data) of each equipment, and relevant the each equipment receiving operational factor is transferred to supervisory system;
Supervisory system is by unified the data that receive output, for post analysis research.
The utility model one preferred embodiment provides, and radio temperature sensor comprises multiple temperature points, described temperature sensor is arranged to indirect cooling tower inner and parallel with cooling sector top; Specifically please refer to shown in Fig. 4, radio temperature sensor adopts cross curve to arrange.Radio temperature sensor sends the data of the wireless temperature measuring point of collection to data receiver.
The above-mentioned wireless temperature element that is arranged at indirect dry cooling tower inside can be by fixation with steel wire, be arranged on the place apart from floor level 24m, employing cross curve is arranged, laterally and longitudinally arranges respectively 12 wireless temperature measuring points (representing with X-X temperature in figure), and intermediate interdigitated place supports with steel-made support post.
The utility model one preferred embodiment provides, and wired temperature sensor comprises: indirectly inside and outside cooling tower, be respectively arranged with line temperature point.Please refer to shown in Fig. 5, inside and outside indirect cooling tower, be respectively arranged with line temperature sensor and in cooling tower indirectly 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air outlet height of each cooling sector wired temperature point is installed; Outside indirect cooling tower, wired temperature point is installed at 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air inlet height of each cooling sector.
Can be by using ∠ 40 × 40 × 5 angle steel to make " π " type support in real work; 4 meters, 12 meters and 20 meters of support being fixed on to air inlet height outside the cooling triangle window shutter outside indirect cooling tower with bolt, wired temperature point is arranged on " π " type mid-stent, and measuring point is apart from cooling tower Edge Distance 0.5-1 rice; Wired temperature point is installed at 4 meters, 12 meters, 20 meters of the cooling triangle window shutter air outlet height in indirect cooling tower, by being convenient to install wired temperature point at the fixing wire rope of sector outlet air temperature with this; Concrete as being fixed on sector top platform in top, the form that ground is fixed in bottom is installed a wire rope.Then wired temperature point is pressed to above-mentioned height, be firmly secured to wire rope, wired temperature point is apart from cooling tower sector inner frame 1-2 rice.
The utility model one preferred embodiment provides, and this weather station measuring point group comprises, and at the opening place apart from 30 to 50 meters of cooling towers, at least 4 weather stations, place is installed, and in this weather station, fixed bar is installed, the high 10M of fixed bar, and wind speed, wind indicator are installed in top.Please refer to shown in Fig. 6, weather station comprises atmospheric temperature element, is more than 1.8 meters apart from floor level, and atmospheric pressure measuring point is more than 0.5 meter apart from floor level, and anemoclinograph is 1/2 place of place to 2/3 of above-mentioned cooling triangle height apart from floor level.
The utility model one preferred embodiment provides, and in bottom, every two sectors, an intelligent front end collector is installed, and by cooling sector outlet and inlet temperature signal, close weather station signal all accesses, and with the mutual communication of other intelligent front end collector; The data that collect are sent to supervisory system by those intelligent front ends.Supervisory system is by the data output of collecting, for post analysis research.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an indirect air cooling system performance testing platform, is characterized in that, described test platform comprises: temperature sensor, weather station measuring point group, data-interface machine, scattered control system, supervisory system;
Temperature sensor, imports and exports air themperature and transfers to data-interface machine for measuring indirect dry cooling tower internal temperature field temperature and heating radiator;
Described temperature data and weather station measuring point group data are sent to supervisory system by data-interface machine;
Scattered control system is collected relevant device parameter and is transferred to supervisory system;
Supervisory system is by the data output of collecting.
2. test platform according to claim 1, is characterized in that, described temperature sensor comprises radio temperature sensor and wired temperature sensor.
3. test platform according to claim 2, is characterized in that, it is inner and parallel with cooling sector top that described radio temperature sensor is arranged at indirect cooling tower.
4. test platform according to claim 3, is characterized in that, described radio temperature sensor adopts cross curve to arrange.
5. test platform according to claim 2, is characterized in that, described wired temperature sensor comprises: indirectly inside and outside cooling tower, be respectively arranged with line temperature point.
6. test platform according to claim 5, is characterized in that, describedly inside and outside indirect cooling tower, is respectively arranged with line temperature point and comprises:
In indirect cooling tower, wired temperature point is installed at 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air outlet height of each cooling sector;
Outside indirect cooling tower, wired temperature point is installed at 1/6 place, 1/2 place, 5/6 place of the centre cooling triangle air inlet height of each cooling sector.
7. test platform according to claim 6, is characterized in that, described wired temperature point distance cooling tower sector inner frame 1-2 rice indirectly.
8. test platform according to claim 6, is characterized in that, described wired temperature point distance cooling tower outer wall 0.5-1 rice indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043052.2U CN203658081U (en) | 2014-01-23 | 2014-01-23 | Indirect air cooling system performance test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420043052.2U CN203658081U (en) | 2014-01-23 | 2014-01-23 | Indirect air cooling system performance test platform |
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| CN203658081U true CN203658081U (en) | 2014-06-18 |
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| CN201420043052.2U Expired - Lifetime CN203658081U (en) | 2014-01-23 | 2014-01-23 | Indirect air cooling system performance test platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004198A (en) * | 2015-07-16 | 2015-10-28 | 西安石油大学 | Water type circulating water-air cooling system and method |
| CN107478069A (en) * | 2017-09-13 | 2017-12-15 | 山东大学 | Performance parameter monitoring system and its method in a kind of wet cooling tower tower |
| CN108760086A (en) * | 2018-05-24 | 2018-11-06 | 河北博为电气股份有限公司 | A kind of indirect measurement method of indirect air cooling system radiator tube fluid temperature |
| CN110763276A (en) * | 2019-11-08 | 2020-02-07 | 陕西能源麟北发电有限公司 | Smoke tower unification steel construction intercooling tower health monitoring system |
| CN115014829A (en) * | 2022-06-16 | 2022-09-06 | 华北电力科学研究院有限责任公司 | Performance test method and system for heat exchange unit of air-cooled condenser |
-
2014
- 2014-01-23 CN CN201420043052.2U patent/CN203658081U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004198A (en) * | 2015-07-16 | 2015-10-28 | 西安石油大学 | Water type circulating water-air cooling system and method |
| CN107478069A (en) * | 2017-09-13 | 2017-12-15 | 山东大学 | Performance parameter monitoring system and its method in a kind of wet cooling tower tower |
| CN108760086A (en) * | 2018-05-24 | 2018-11-06 | 河北博为电气股份有限公司 | A kind of indirect measurement method of indirect air cooling system radiator tube fluid temperature |
| CN108760086B (en) * | 2018-05-24 | 2019-10-25 | 河北博为电气股份有限公司 | A kind of indirect measurement method of indirect air cooling system radiator tube fluid temperature |
| CN110763276A (en) * | 2019-11-08 | 2020-02-07 | 陕西能源麟北发电有限公司 | Smoke tower unification steel construction intercooling tower health monitoring system |
| CN115014829A (en) * | 2022-06-16 | 2022-09-06 | 华北电力科学研究院有限责任公司 | Performance test method and system for heat exchange unit of air-cooled condenser |
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Granted publication date: 20140618 |