CN110057608A - A kind of pilot system of air-water heat exchanger - Google Patents
A kind of pilot system of air-water heat exchanger Download PDFInfo
- Publication number
- CN110057608A CN110057608A CN201910298520.8A CN201910298520A CN110057608A CN 110057608 A CN110057608 A CN 110057608A CN 201910298520 A CN201910298520 A CN 201910298520A CN 110057608 A CN110057608 A CN 110057608A
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- Prior art keywords
- heat exchanger
- water
- heat
- air
- temperature
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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
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Abstract
The invention discloses a kind of test system of air-water heat exchanger, system is made of temperature sensor, heating water tank, variable frequency pump, electric control valve, pressure sensor, heat exchanger erecting bed, air-water heat exchanger, frequency conversion fan, gas flowmeter, control system, cooling tower, steam air heater etc..The present invention can carry out hydraulic pressure, water temperature, flow etc. to water side in a big way and carry out variable adjustment using components such as variable frequency pump, regulating valve, heating water tanks；Gas side controls air quantity using frequency conversion fan, to adjust flow velocity between Tube Sheet of Heat Exchanger.The changeable related duty parameter of system realizes following purposes: 1. measure the heat exchanger coefficient of heat transfer by hot water heating cold wind.2. measuring the heat exchanger coefficient of heat transfer by Hot-blast Heating cold water.3. at a temperature of heat exchanger water side keeps certain, measuring heat exchanger heat-exchanging tube load performance.4. realizing flowing velocity between different pipes, the wear-resisting property of heat exchanger heat-exchanging tube is measured.
Description
Technical field
The present invention relates to a kind of pilot systems of air-water heat exchanger.
Background technique
The now test system of conventional air-water heat exchanger can only carry out individual event, heatproof to air-water heat exchanger, and room temperature is resistance to
The test such as pressure, windage, partial test index can only even test single heat exchange tube, and it is true can not to simulate air-water heat exchanger
Operating condition, and the performance parameter under real working condition.The test macro can water side temperature to air-water heat exchanger, pressure
Flow velocity automatically adjusts setting between power, gas side windage, heat exchange tube, simulates various operating condition heat exchanging devices and carries out experimental tests.
Summary of the invention
The present invention is a kind of pilot system of air-water heat exchanger, and the changeable related duty parameter of system realizes following purposes:
1. measuring the heat exchanger coefficient of heat transfer by hot water heating cold wind；2. measuring the heat exchanger coefficient of heat transfer by Hot-blast Heating cold water；3.
At a temperature of heat exchanger water side keeps certain, heat exchanger heat-exchanging tube load performance is measured；4. realizing flowing velocity between different pipes, survey
Determine the wear-resisting property of heat exchanger heat-exchanging tube.
To achieve the goals above, technical solution of the invention are as follows: a kind of pilot system of air-water heat exchanger is by temperature
Spend sensor, heating water tank, variable frequency pump, electric control valve, pressure sensor, heat exchanger erecting bed, air-water heat exchanger, frequency conversion
The composition such as blower, gas flowmeter, control system, cooling tower, steam air heater；Pacified by frequency conversion fan, heat exchanger experimental system wind side
Dress platform, gas flowmeter, steam air heater are sequentially connected；Pilot system water side is by temperature sensor, heating water tank, variable frequency pump, electricity
Dynamic regulating valve, pressure sensor, air-water heat exchanger, cooling tower once connect；Vapor-water heat exchanger is mounted in heat exchanger erecting bed,
Control system is arranged in around heating water tank.
It is further described that control system can set heating water tank heat medium coolant-temperature gage, wind side is heated by medium water
Cold wind measures the heat exchanger coefficient of heat transfer.
It is further described that control system control steam air heater makes gas side temperature constant, add hot water side, measurement heat exchanger heat exchange
Coefficient.
It is further described that control system control heating water tank is in higher temperature, heat exchanging device carries out bulge test, measurement
Heat exchanger pressure resistance performance.
It is further described that control system controls frequency conversion fan frequency, changes wind effluent speed, measure the resistance to of heat exchanger heat-exchanging tube
Polishing machine.
The beneficial effects of the present invention are: system can change relevant parameter by control system to realize heat exchanging device heat exchange system
Wear-resisting property of several measurements, heat exchanger Apparatus for Pressure at high-temp and simulation heat exchanger between different pipes under flow velocity.
Detailed description of the invention
Invention invention is further described with reference to the accompanying drawings and detailed description.
Attached drawing is a kind of pilot system schematic diagram of air-water heat exchanger.
In figure: 1, temperature sensor in figure, 2, heating water tank, 3, variable frequency pump, 4, electric control valve, 5, pressure sensing
Device, 6, heat exchanger erecting bed, 7, air-water heat exchanger, 8, frequency conversion fan, 9, gas flowmeter, 10, control system, 11, cooling tower,
12, steam air heater.
Specific embodiment
A kind of pilot system of air-water heat exchanger as shown in attached drawing, the system is by 1, temperature sensor, 2, heating water tank, 3,
Variable frequency pump, 4, electric control valve, 5, pressure sensor, 6, heat exchanger erecting bed, 7, air-water heat exchanger, 8, frequency conversion fan, 9,
Gas flowmeter, 10, control system, 11, cooling tower, 12, steam air heater composition.
When flue gas heat-exchange unit water side heat gas temperatures, air-water heat exchanger 7 is mounted on heat exchanger erecting bed 6, flue gas
Heat exchanger media water is heated in heating water tank 2, electric control valve 4 is transported to by variable frequency pump 3, through 4 pressure regulation of electric control valve
After power, hydraulic pressure is detected by water pressure sensor 5 and flows through temperature sensor 1 from air-water heat exchanger into air-water heat exchanger 7, then
Heating water tank 2 is flowed into, waterway circulating, flue gas heat-exchange unit gas side are completed, gas is transported to gas flowmeter 9 by frequency conversion fan 8, keeps away
Steam air heater 11 is opened, air-water heat exchanger 7 is entered by gas flowmeter, is heated to after certain temperature by air-water heat exchanger 7 by becoming
Frequency blower completes circulation, by measurement record water side temperature point variation, calculates the heat exchanger coefficient of heat transfer.
When flue gas heat-exchange unit heats water temperature with gas side, flue gas heat-exchange unit medium water avoids heating water tank 2, through supercooling
After tower cooling, electric control valve 4 is transported to by variable frequency pump 3, after 4 pressure regulation power of electric control valve, is sensed by water pressure
Device 5 detects hydraulic pressure and flows through temperature sensor 1 from air-water heat exchanger, then flow into heating water tank 2 into air-water heat exchanger 7, completes
Waterway circulating, flue gas heat-exchange unit gas side, gas are transported to gas flowmeter 9 by frequency conversion fan 8, are heated to one by steam air heater 11
Determine temperature, then air-water heat exchanger 7 entered by gas flowmeter, by water in air-water heat exchanger 7 be heated to after certain temperature by
Frequency conversion fan completes circulation, by measurement record water side temperature point variation, calculates the heat exchanger coefficient of heat transfer.
Flue gas heat-exchange unit water side, medium water are heated to higher temperature in heating water tank 2, are transported to by variable frequency pump 3
Electric control valve 4 detects hydraulic pressure by water pressure sensor 5 after electric control valve 4 is transferred to bulge test authorized pressure, into
Enter air-water heat exchanger 7, flow through temperature sensor 1 from air-water heat exchanger, then flow into heating water tank 2, complete waterway circulating, measurement is changed
The pressure test of hot device at relatively high temperatures.
Flue gas heat-exchange unit gas side, gas are transported to gas flowmeter 9 by frequency conversion fan 8, are heated to one by steam air heater 11
Determine temperature, then air-water heat exchanger 7 entered by gas flowmeter, by water in air-water heat exchanger 7 be heated to after certain temperature by
Frequency conversion fan 8 is completed to recycle, and in cyclic process, by increasing by 8 frequency of frequency conversion fan, increases flow velocity between Tube Sheet of Heat Exchanger, measurement exists
Between different pipes under flow velocity, heat exchanger abrasion resistance properties.
The above, embodiment is only that preferred embodiments of the present invention will be described, not to of the invention
Range is defined, and under the premise of not departing from the spirit of the technology of the present invention, this field engineers and technicians are to skill of the invention
The various changes and improvements that art scheme is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (5)
1. a kind of test system of air-water heat exchanger, the system is by temperature sensor, heating water tank, variable frequency pump, electronic
Regulating valve, pressure sensor, heat exchanger erecting bed, air-water heat exchanger, frequency conversion fan, gas flowmeter, control system, cooling
The composition such as tower, steam air heater；The test system of air-water heat exchanger can input hydraulic pressure, water temperature, flow, gas stream in control system
The setup parameters such as amount realize the automatic adjustment setting and the adjusting of gas side gas flow setting of water side temperature, pressure, flow,
Realize that heat exchanger simulates real working condition.
2. according to claims 1, which is characterized in that control system can set heating water tank heat medium coolant-temperature gage,
Wind side cold wind is heated by medium water, measures the heat exchanger coefficient of heat transfer.
3. control system control steam air heater makes gas side temperature constant, adds hot water side, measure the heat exchanger coefficient of heat transfer.
4. medium water is heated to set temperature by heating water tank by control system, pass through variable frequency pump and electric control valve heat exchanging
Device carries out raising pressure testing, measures heat exchanger pressure resistance performance.
5. according to claims 1, which is characterized in that control system control passes through steam air heater heat gas to setting temperature
Degree controls air quantity by frequency conversion fan, changes flow velocity between the flue gas heat-exchange unit heat exchanger tube of wind side, measure the wear-resisting of heat exchanger heat-exchanging tube
Damage performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298520.8A CN110057608A (en) | 2019-04-15 | 2019-04-15 | A kind of pilot system of air-water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298520.8A CN110057608A (en) | 2019-04-15 | 2019-04-15 | A kind of pilot system of air-water heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110057608A true CN110057608A (en) | 2019-07-26 |
Family
ID=67317679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910298520.8A Withdrawn CN110057608A (en) | 2019-04-15 | 2019-04-15 | A kind of pilot system of air-water heat exchanger |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587027A (en) * | 2009-06-23 | 2009-11-25 | 上海理工大学 | System for testing heat-transfer performance of gas-water-oil heat interchanger |
| CN201408123Y (en) * | 2009-05-13 | 2010-02-17 | 四平市产品质量检验所 | Test system of multifunctional heat exchanger |
| CN103645207A (en) * | 2013-11-25 | 2014-03-19 | 乐金空调(山东)有限公司 | Heat exchange performance testing device for heat exchange tubes |
| RU2544365C2 (en) * | 2013-05-06 | 2015-03-20 | ООО "Оренбургская промышленная лаборатория" | Device for heat exchanger operation parameter measurement |
| CN107632042A (en) * | 2017-10-30 | 2018-01-26 | 南京工业大学 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger and method of testing |
| CN206960129U (en) * | 2016-12-22 | 2018-02-02 | 江苏省特种设备安全监督检验研究院 | A kind of heat exchanger performance and efficiency test platform |
| CN208736687U (en) * | 2018-09-03 | 2019-04-12 | 中国科学院工程热物理研究所 | A kind of thermal performance test system |
-
2019
- 2019-04-15 CN CN201910298520.8A patent/CN110057608A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408123Y (en) * | 2009-05-13 | 2010-02-17 | 四平市产品质量检验所 | Test system of multifunctional heat exchanger |
| CN101587027A (en) * | 2009-06-23 | 2009-11-25 | 上海理工大学 | System for testing heat-transfer performance of gas-water-oil heat interchanger |
| RU2544365C2 (en) * | 2013-05-06 | 2015-03-20 | ООО "Оренбургская промышленная лаборатория" | Device for heat exchanger operation parameter measurement |
| CN103645207A (en) * | 2013-11-25 | 2014-03-19 | 乐金空调(山东)有限公司 | Heat exchange performance testing device for heat exchange tubes |
| CN206960129U (en) * | 2016-12-22 | 2018-02-02 | 江苏省特种设备安全监督检验研究院 | A kind of heat exchanger performance and efficiency test platform |
| CN107632042A (en) * | 2017-10-30 | 2018-01-26 | 南京工业大学 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger and method of testing |
| CN208736687U (en) * | 2018-09-03 | 2019-04-12 | 中国科学院工程热物理研究所 | A kind of thermal performance test system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190726 |
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| WW01 | Invention patent application withdrawn after publication |